Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
Greg Kroah-Hartman | a1c16ed | 2010-10-21 11:17:44 -0700 | [diff] [blame] | 17 | #include <linux/types.h> |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 18 | #include <linux/kernel.h> |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 19 | #include <linux/kthread.h> |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 20 | #include <linux/printk.h> |
Stanislav Fomichev | be1c09f | 2011-03-28 01:31:36 +0400 | [diff] [blame] | 21 | #include <linux/pci_ids.h> |
Brett Rudley | c6ac24e | 2010-10-26 11:55:23 -0700 | [diff] [blame] | 22 | #include <linux/netdevice.h> |
Franky Lin | 7c6100e | 2011-06-01 13:45:36 +0200 | [diff] [blame] | 23 | #include <linux/sched.h> |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame] | 24 | #include <linux/mmc/sdio.h> |
Franky Lin | 7c6100e | 2011-06-01 13:45:36 +0200 | [diff] [blame] | 25 | #include <asm/unaligned.h> |
Roland Vossen | cc3cea5 | 2011-06-01 13:45:59 +0200 | [diff] [blame] | 26 | #include <defs.h> |
Roland Vossen | f97e956 | 2011-06-01 13:45:52 +0200 | [diff] [blame] | 27 | #include <brcmu_wifi.h> |
| 28 | #include <brcmu_utils.h> |
Roland Vossen | cc3cea5 | 2011-06-01 13:45:59 +0200 | [diff] [blame] | 29 | #include <brcm_hw_ids.h> |
Roland Vossen | cc3cea5 | 2011-06-01 13:45:59 +0200 | [diff] [blame] | 30 | #include <soc.h> |
Roland Vossen | c4daa84 | 2011-06-09 16:44:50 +0200 | [diff] [blame] | 31 | #include "sdio_host.h" |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 32 | |
| 33 | /* register access macros */ |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 34 | #ifndef __BIG_ENDIAN |
| 35 | #ifndef __mips__ |
Roland Vossen | b61a4be | 2011-06-01 13:45:56 +0200 | [diff] [blame] | 36 | #define R_REG(r) \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 37 | brcmf_sdcard_reg_read(NULL, (unsigned long)(r), sizeof(*(r))) |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 38 | #else /* __mips__ */ |
Roland Vossen | b61a4be | 2011-06-01 13:45:56 +0200 | [diff] [blame] | 39 | #define R_REG(r) \ |
| 40 | ({ \ |
| 41 | __typeof(*(r)) __osl_v; \ |
| 42 | __asm__ __volatile__("sync"); \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 43 | __osl_v = brcmf_sdcard_reg_read(NULL, (unsigned long)(r),\ |
Roland Vossen | 2503634 | 2011-06-01 13:45:57 +0200 | [diff] [blame] | 44 | sizeof(*(r))); \ |
Roland Vossen | b61a4be | 2011-06-01 13:45:56 +0200 | [diff] [blame] | 45 | __asm__ __volatile__("sync"); \ |
| 46 | __osl_v; \ |
| 47 | }) |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 48 | #endif /* __mips__ */ |
| 49 | |
| 50 | #define W_REG(r, v) do { \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 51 | brcmf_sdcard_reg_write(NULL, (unsigned long)(r), sizeof(*(r)), \ |
| 52 | (v)); \ |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 53 | } while (0) |
| 54 | #else /* __BIG_ENDIAN */ |
Roland Vossen | b61a4be | 2011-06-01 13:45:56 +0200 | [diff] [blame] | 55 | #define R_REG(r) \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 56 | brcmf_sdcard_reg_read(NULL, (unsigned long)(r), sizeof(*(r))) |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 57 | #define W_REG(r, v) do { \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 58 | brcmf_sdcard_reg_write(NULL, (unsigned long)(r), sizeof(*(r)), \ |
| 59 | (v)); \ |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 60 | } while (0) |
| 61 | #endif /* __BIG_ENDIAN */ |
| 62 | |
Roland Vossen | 4489518 | 2011-06-01 13:45:55 +0200 | [diff] [blame] | 63 | #define AND_REG(r, v) W_REG((r), R_REG(r) & (v)) |
| 64 | #define OR_REG(r, v) W_REG((r), R_REG(r) | (v)) |
| 65 | |
| 66 | #define SET_REG(r, mask, val) \ |
| 67 | W_REG((r), ((R_REG(r) & ~(mask)) | (val))) |
| 68 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 69 | #ifdef BCMDBG |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 70 | |
| 71 | /* ARM trap handling */ |
| 72 | |
| 73 | /* Trap types defined by ARM (see arminc.h) */ |
| 74 | |
| 75 | /* Trap locations in lo memory */ |
| 76 | #define TRAP_STRIDE 4 |
| 77 | #define FIRST_TRAP TR_RST |
| 78 | #define LAST_TRAP (TR_FIQ * TRAP_STRIDE) |
| 79 | |
| 80 | #if defined(__ARM_ARCH_4T__) |
| 81 | #define MAX_TRAP_TYPE (TR_FIQ + 1) |
| 82 | #elif defined(__ARM_ARCH_7M__) |
| 83 | #define MAX_TRAP_TYPE (TR_ISR + ARMCM3_NUMINTS) |
| 84 | #endif /* __ARM_ARCH_7M__ */ |
| 85 | |
| 86 | /* The trap structure is defined here as offsets for assembly */ |
| 87 | #define TR_TYPE 0x00 |
| 88 | #define TR_EPC 0x04 |
| 89 | #define TR_CPSR 0x08 |
| 90 | #define TR_SPSR 0x0c |
| 91 | #define TR_REGS 0x10 |
| 92 | #define TR_REG(n) (TR_REGS + (n) * 4) |
| 93 | #define TR_SP TR_REG(13) |
| 94 | #define TR_LR TR_REG(14) |
| 95 | #define TR_PC TR_REG(15) |
| 96 | |
| 97 | #define TRAP_T_SIZE 80 |
| 98 | |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 99 | struct brcmf_trap { |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 100 | u32 type; |
| 101 | u32 epc; |
| 102 | u32 cpsr; |
| 103 | u32 spsr; |
| 104 | u32 r0; |
| 105 | u32 r1; |
| 106 | u32 r2; |
| 107 | u32 r3; |
| 108 | u32 r4; |
| 109 | u32 r5; |
| 110 | u32 r6; |
| 111 | u32 r7; |
| 112 | u32 r8; |
| 113 | u32 r9; |
| 114 | u32 r10; |
| 115 | u32 r11; |
| 116 | u32 r12; |
| 117 | u32 r13; |
| 118 | u32 r14; |
| 119 | u32 pc; |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 120 | }; |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 121 | |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 122 | #define CBUF_LEN (128) |
| 123 | |
| 124 | #define LOG_BUF_LEN 1024 |
| 125 | |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 126 | struct rte_log { |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 127 | u32 buf; /* Can't be pointer on (64-bit) hosts */ |
| 128 | uint buf_size; |
| 129 | uint idx; |
| 130 | char *_buf_compat; /* Redundant pointer for backward compat. */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 131 | }; |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 132 | |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 133 | struct rte_console { |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 134 | /* Virtual UART |
| 135 | * When there is no UART (e.g. Quickturn), |
| 136 | * the host should write a complete |
| 137 | * input line directly into cbuf and then write |
| 138 | * the length into vcons_in. |
| 139 | * This may also be used when there is a real UART |
| 140 | * (at risk of conflicting with |
| 141 | * the real UART). vcons_out is currently unused. |
| 142 | */ |
| 143 | volatile uint vcons_in; |
| 144 | volatile uint vcons_out; |
| 145 | |
| 146 | /* Output (logging) buffer |
| 147 | * Console output is written to a ring buffer log_buf at index log_idx. |
| 148 | * The host may read the output when it sees log_idx advance. |
| 149 | * Output will be lost if the output wraps around faster than the host |
| 150 | * polls. |
| 151 | */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 152 | struct rte_log log; |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 153 | |
| 154 | /* Console input line buffer |
| 155 | * Characters are read one at a time into cbuf |
| 156 | * until <CR> is received, then |
| 157 | * the buffer is processed as a command line. |
| 158 | * Also used for virtual UART. |
| 159 | */ |
| 160 | uint cbuf_idx; |
| 161 | char cbuf[CBUF_LEN]; |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 162 | }; |
Roland Vossen | f1c7a08 | 2011-06-01 13:45:09 +0200 | [diff] [blame] | 163 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 164 | #endif /* BCMDBG */ |
Roland Vossen | 745c9e6 | 2011-06-01 13:45:30 +0200 | [diff] [blame] | 165 | #include <chipcommon.h> |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 166 | |
Roland Vossen | c4daa84 | 2011-06-09 16:44:50 +0200 | [diff] [blame] | 167 | #include "sbsdio.h" |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 168 | |
Roland Vossen | c4daa84 | 2011-06-09 16:44:50 +0200 | [diff] [blame] | 169 | #include "dngl_stats.h" |
| 170 | #include "dhd.h" |
| 171 | #include "dhd_bus.h" |
| 172 | #include "dhd_proto.h" |
| 173 | #include "dhd_dbg.h" |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 174 | #include <sdiovar.h> |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 175 | #include <bcmchip.h> |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 176 | |
| 177 | #ifndef DHDSDIO_MEM_DUMP_FNAME |
| 178 | #define DHDSDIO_MEM_DUMP_FNAME "mem_dump" |
| 179 | #endif |
| 180 | |
Grant Grundler | 26a71a4 | 2011-03-09 10:41:25 -0800 | [diff] [blame] | 181 | #define TXQLEN 2048 /* bulk tx queue length */ |
| 182 | #define TXHI (TXQLEN - 256) /* turn on flow control above TXHI */ |
| 183 | #define TXLOW (TXHI - 256) /* turn off flow control below TXLOW */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 184 | #define PRIOMASK 7 |
| 185 | |
| 186 | #define TXRETRIES 2 /* # of retries for tx frames */ |
| 187 | |
| 188 | #if defined(CONFIG_MACH_SANDGATE2G) |
| 189 | #define DHD_RXBOUND 250 /* Default for max rx frames in |
| 190 | one scheduling */ |
| 191 | #else |
| 192 | #define DHD_RXBOUND 50 /* Default for max rx frames in |
| 193 | one scheduling */ |
| 194 | #endif /* defined(CONFIG_MACH_SANDGATE2G) */ |
| 195 | |
| 196 | #define DHD_TXBOUND 20 /* Default for max tx frames in |
| 197 | one scheduling */ |
| 198 | |
| 199 | #define DHD_TXMINMAX 1 /* Max tx frames if rx still pending */ |
| 200 | |
| 201 | #define MEMBLOCK 2048 /* Block size used for downloading |
| 202 | of dongle image */ |
| 203 | #define MAX_DATA_BUF (32 * 1024) /* Must be large enough to hold |
| 204 | biggest possible glom */ |
| 205 | |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 206 | #ifndef BRCMF_FIRSTREAD |
| 207 | #define BRCMF_FIRSTREAD 32 |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 208 | #endif |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 209 | #if !ISPOWEROF2(BRCMF_FIRSTREAD) |
| 210 | #error BRCMF_FIRSTREAD is not a power of 2! |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 211 | #endif |
| 212 | |
| 213 | /* Total length of frame header for dongle protocol */ |
| 214 | #define SDPCM_HDRLEN (SDPCM_FRAMETAG_LEN + SDPCM_SWHEADER_LEN) |
| 215 | #ifdef SDTEST |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 216 | #define SDPCM_RESERVE (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + BRCMF_SDALIGN) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 217 | #else |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 218 | #define SDPCM_RESERVE (SDPCM_HDRLEN + BRCMF_SDALIGN) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 219 | #endif |
| 220 | |
Franky Lin | b49b14d | 2011-06-01 13:45:37 +0200 | [diff] [blame] | 221 | /* |
| 222 | * Software allocation of To SB Mailbox resources |
| 223 | */ |
| 224 | |
| 225 | /* tosbmailbox bits corresponding to intstatus bits */ |
| 226 | #define SMB_NAK (1 << 0) /* Frame NAK */ |
| 227 | #define SMB_INT_ACK (1 << 1) /* Host Interrupt ACK */ |
| 228 | #define SMB_USE_OOB (1 << 2) /* Use OOB Wakeup */ |
| 229 | #define SMB_DEV_INT (1 << 3) /* Miscellaneous Interrupt */ |
| 230 | |
| 231 | /* tosbmailboxdata */ |
| 232 | #define SMB_DATA_VERSION_SHIFT 16 /* host protocol version */ |
| 233 | |
| 234 | /* |
| 235 | * Software allocation of To Host Mailbox resources |
| 236 | */ |
| 237 | |
| 238 | /* intstatus bits */ |
| 239 | #define I_HMB_FC_STATE I_HMB_SW0 /* Flow Control State */ |
| 240 | #define I_HMB_FC_CHANGE I_HMB_SW1 /* Flow Control State Changed */ |
| 241 | #define I_HMB_FRAME_IND I_HMB_SW2 /* Frame Indication */ |
| 242 | #define I_HMB_HOST_INT I_HMB_SW3 /* Miscellaneous Interrupt */ |
| 243 | |
| 244 | /* tohostmailboxdata */ |
| 245 | #define HMB_DATA_NAKHANDLED 1 /* retransmit NAK'd frame */ |
| 246 | #define HMB_DATA_DEVREADY 2 /* talk to host after enable */ |
| 247 | #define HMB_DATA_FC 4 /* per prio flowcontrol update flag */ |
| 248 | #define HMB_DATA_FWREADY 8 /* fw ready for protocol activity */ |
| 249 | |
| 250 | #define HMB_DATA_FCDATA_MASK 0xff000000 |
| 251 | #define HMB_DATA_FCDATA_SHIFT 24 |
| 252 | |
| 253 | #define HMB_DATA_VERSION_MASK 0x00ff0000 |
| 254 | #define HMB_DATA_VERSION_SHIFT 16 |
| 255 | |
| 256 | /* |
| 257 | * Software-defined protocol header |
| 258 | */ |
| 259 | |
| 260 | /* Current protocol version */ |
| 261 | #define SDPCM_PROT_VERSION 4 |
| 262 | |
| 263 | /* SW frame header */ |
| 264 | #define SDPCM_PACKET_SEQUENCE(p) (((u8 *)p)[0] & 0xff) |
| 265 | |
| 266 | #define SDPCM_CHANNEL_MASK 0x00000f00 |
| 267 | #define SDPCM_CHANNEL_SHIFT 8 |
| 268 | #define SDPCM_PACKET_CHANNEL(p) (((u8 *)p)[1] & 0x0f) |
| 269 | |
| 270 | #define SDPCM_NEXTLEN_OFFSET 2 |
| 271 | |
| 272 | /* Data Offset from SOF (HW Tag, SW Tag, Pad) */ |
| 273 | #define SDPCM_DOFFSET_OFFSET 3 /* Data Offset */ |
| 274 | #define SDPCM_DOFFSET_VALUE(p) (((u8 *)p)[SDPCM_DOFFSET_OFFSET] & 0xff) |
| 275 | #define SDPCM_DOFFSET_MASK 0xff000000 |
| 276 | #define SDPCM_DOFFSET_SHIFT 24 |
| 277 | #define SDPCM_FCMASK_OFFSET 4 /* Flow control */ |
| 278 | #define SDPCM_FCMASK_VALUE(p) (((u8 *)p)[SDPCM_FCMASK_OFFSET] & 0xff) |
| 279 | #define SDPCM_WINDOW_OFFSET 5 /* Credit based fc */ |
| 280 | #define SDPCM_WINDOW_VALUE(p) (((u8 *)p)[SDPCM_WINDOW_OFFSET] & 0xff) |
| 281 | |
| 282 | #define SDPCM_SWHEADER_LEN 8 /* SW header is 64 bits */ |
| 283 | |
| 284 | /* logical channel numbers */ |
| 285 | #define SDPCM_CONTROL_CHANNEL 0 /* Control channel Id */ |
| 286 | #define SDPCM_EVENT_CHANNEL 1 /* Asyc Event Indication Channel Id */ |
| 287 | #define SDPCM_DATA_CHANNEL 2 /* Data Xmit/Recv Channel Id */ |
| 288 | #define SDPCM_GLOM_CHANNEL 3 /* For coalesced packets */ |
| 289 | #define SDPCM_TEST_CHANNEL 15 /* Reserved for test/debug packets */ |
| 290 | |
| 291 | #define SDPCM_SEQUENCE_WRAP 256 /* wrap-around val for 8bit frame seq */ |
| 292 | |
| 293 | #define SDPCM_GLOMDESC(p) (((u8 *)p)[1] & 0x80) |
| 294 | |
| 295 | /* For TEST_CHANNEL packets, define another 4-byte header */ |
| 296 | #define SDPCM_TEST_HDRLEN 4 /* |
| 297 | * Generally: Cmd(1), Ext(1), Len(2); |
| 298 | * Semantics of Ext byte depend on |
| 299 | * command. Len is current or requested |
| 300 | * frame length, not including test |
| 301 | * header; sent little-endian. |
| 302 | */ |
| 303 | #define SDPCM_TEST_DISCARD 0x01 /* Receiver discards. Ext:pattern id. */ |
| 304 | #define SDPCM_TEST_ECHOREQ 0x02 /* Echo request. Ext:pattern id. */ |
| 305 | #define SDPCM_TEST_ECHORSP 0x03 /* Echo response. Ext:pattern id. */ |
| 306 | #define SDPCM_TEST_BURST 0x04 /* |
| 307 | * Receiver to send a burst. |
| 308 | * Ext is a frame count |
| 309 | */ |
| 310 | #define SDPCM_TEST_SEND 0x05 /* |
| 311 | * Receiver sets send mode. |
| 312 | * Ext is boolean on/off |
| 313 | */ |
| 314 | |
| 315 | /* Handy macro for filling in datagen packets with a pattern */ |
| 316 | #define SDPCM_TEST_FILL(byteno, id) ((u8)(id + byteno)) |
| 317 | |
| 318 | /* |
| 319 | * Shared structure between dongle and the host. |
| 320 | * The structure contains pointers to trap or assert information. |
| 321 | */ |
| 322 | #define SDPCM_SHARED_VERSION 0x0002 |
| 323 | #define SDPCM_SHARED_VERSION_MASK 0x00FF |
| 324 | #define SDPCM_SHARED_ASSERT_BUILT 0x0100 |
| 325 | #define SDPCM_SHARED_ASSERT 0x0200 |
| 326 | #define SDPCM_SHARED_TRAP 0x0400 |
| 327 | |
| 328 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 329 | /* Space for header read, limit for data packets */ |
| 330 | #ifndef MAX_HDR_READ |
| 331 | #define MAX_HDR_READ 32 |
| 332 | #endif |
| 333 | #if !ISPOWEROF2(MAX_HDR_READ) |
| 334 | #error MAX_HDR_READ is not a power of 2! |
| 335 | #endif |
| 336 | |
| 337 | #define MAX_RX_DATASZ 2048 |
| 338 | |
| 339 | /* Maximum milliseconds to wait for F2 to come up */ |
| 340 | #define DHD_WAIT_F2RDY 3000 |
| 341 | |
| 342 | /* Bump up limit on waiting for HT to account for first startup; |
| 343 | * if the image is doing a CRC calculation before programming the PMU |
| 344 | * for HT availability, it could take a couple hundred ms more, so |
| 345 | * max out at a 1 second (1000000us). |
| 346 | */ |
| 347 | #if (PMU_MAX_TRANSITION_DLY <= 1000000) |
| 348 | #undef PMU_MAX_TRANSITION_DLY |
| 349 | #define PMU_MAX_TRANSITION_DLY 1000000 |
| 350 | #endif |
| 351 | |
| 352 | /* Value for ChipClockCSR during initial setup */ |
| 353 | #define DHD_INIT_CLKCTL1 (SBSDIO_FORCE_HW_CLKREQ_OFF | \ |
| 354 | SBSDIO_ALP_AVAIL_REQ) |
| 355 | #define DHD_INIT_CLKCTL2 (SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP) |
| 356 | |
| 357 | /* Flags for SDH calls */ |
| 358 | #define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED) |
| 359 | |
Roland Vossen | b6fe70c | 2011-06-01 13:45:19 +0200 | [diff] [blame] | 360 | /* sbimstate */ |
| 361 | #define SBIM_IBE 0x20000 /* inbanderror */ |
| 362 | #define SBIM_TO 0x40000 /* timeout */ |
| 363 | #define SBIM_BY 0x01800000 /* busy (sonics >= 2.3) */ |
| 364 | #define SBIM_RJ 0x02000000 /* reject (sonics >= 2.3) */ |
| 365 | |
| 366 | /* sbtmstatelow */ |
| 367 | #define SBTML_RESET 0x0001 /* reset */ |
| 368 | #define SBTML_REJ_MASK 0x0006 /* reject field */ |
| 369 | #define SBTML_REJ 0x0002 /* reject */ |
| 370 | #define SBTML_TMPREJ 0x0004 /* temporary reject, for error recovery */ |
| 371 | |
| 372 | #define SBTML_SICF_SHIFT 16 /* Shift to locate the SI control flags in sbtml */ |
| 373 | |
| 374 | /* sbtmstatehigh */ |
| 375 | #define SBTMH_SERR 0x0001 /* serror */ |
| 376 | #define SBTMH_INT 0x0002 /* interrupt */ |
| 377 | #define SBTMH_BUSY 0x0004 /* busy */ |
| 378 | #define SBTMH_TO 0x0020 /* timeout (sonics >= 2.3) */ |
| 379 | |
| 380 | #define SBTMH_SISF_SHIFT 16 /* Shift to locate the SI status flags in sbtmh */ |
| 381 | |
| 382 | /* sbidlow */ |
| 383 | #define SBIDL_INIT 0x80 /* initiator */ |
| 384 | |
| 385 | /* sbidhigh */ |
| 386 | #define SBIDH_RC_MASK 0x000f /* revision code */ |
| 387 | #define SBIDH_RCE_MASK 0x7000 /* revision code extension field */ |
| 388 | #define SBIDH_RCE_SHIFT 8 |
| 389 | #define SBCOREREV(sbidh) \ |
| 390 | ((((sbidh) & SBIDH_RCE_MASK) >> SBIDH_RCE_SHIFT) | ((sbidh) & SBIDH_RC_MASK)) |
| 391 | #define SBIDH_CC_MASK 0x8ff0 /* core code */ |
| 392 | #define SBIDH_CC_SHIFT 4 |
| 393 | #define SBIDH_VC_MASK 0xffff0000 /* vendor code */ |
| 394 | #define SBIDH_VC_SHIFT 16 |
| 395 | |
Arend van Spriel | 70dfb58 | 2011-02-25 16:39:17 +0100 | [diff] [blame] | 396 | /* |
| 397 | * Conversion of 802.1D priority to precedence level |
| 398 | */ |
| 399 | #define PRIO2PREC(prio) \ |
| 400 | (((prio) == PRIO_8021D_NONE || (prio) == PRIO_8021D_BE) ? \ |
| 401 | ((prio^2)) : (prio)) |
| 402 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 403 | DHD_SPINWAIT_SLEEP_INIT(sdioh_spinwait_sleep); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 404 | |
Roland Vossen | b6fe70c | 2011-06-01 13:45:19 +0200 | [diff] [blame] | 405 | /* Core reg address translation */ |
| 406 | #define CORE_CC_REG(base, field) (base + offsetof(chipcregs_t, field)) |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 407 | #define CORE_BUS_REG(base, field) \ |
| 408 | (base + offsetof(struct sdpcmd_regs, field)) |
Roland Vossen | b6fe70c | 2011-06-01 13:45:19 +0200 | [diff] [blame] | 409 | #define CORE_SB(base, field) \ |
| 410 | (base + SBCONFIGOFF + offsetof(sbconfig_t, field)) |
| 411 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 412 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 413 | /* Device console log buffer state */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 414 | struct dhd_console { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 415 | uint count; /* Poll interval msec counter */ |
| 416 | uint log_addr; /* Log struct address (fixed) */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 417 | struct rte_log log; /* Log struct (host copy) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 418 | uint bufsize; /* Size of log buffer */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 419 | u8 *buf; /* Log buffer (host copy) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 420 | uint last; /* Last buffer read index */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 421 | }; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 422 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 423 | |
Franky Lin | b49b14d | 2011-06-01 13:45:37 +0200 | [diff] [blame] | 424 | struct sdpcm_shared { |
| 425 | u32 flags; |
| 426 | u32 trap_addr; |
| 427 | u32 assert_exp_addr; |
| 428 | u32 assert_file_addr; |
| 429 | u32 assert_line; |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 430 | u32 console_addr; /* Address of struct rte_console */ |
Franky Lin | b49b14d | 2011-06-01 13:45:37 +0200 | [diff] [blame] | 431 | u32 msgtrace_addr; |
| 432 | u8 tag[32]; |
| 433 | }; |
| 434 | |
| 435 | |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 436 | /* misc chip info needed by some of the routines */ |
| 437 | struct chip_info { |
| 438 | u32 chip; |
| 439 | u32 chiprev; |
| 440 | u32 cccorebase; |
| 441 | u32 ccrev; |
| 442 | u32 cccaps; |
| 443 | u32 buscorebase; |
| 444 | u32 buscorerev; |
| 445 | u32 buscoretype; |
| 446 | u32 ramcorebase; |
| 447 | u32 armcorebase; |
| 448 | u32 pmurev; |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 449 | u32 ramsize; |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 450 | }; |
| 451 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 452 | /* Private data for SDIO bus interaction */ |
| 453 | typedef struct dhd_bus { |
| 454 | dhd_pub_t *dhd; |
| 455 | |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 456 | struct brcmf_sdio *sdh; /* Handle for BCMSDH calls */ |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 457 | struct chip_info *ci; /* Chip info struct */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 458 | char *vars; /* Variables (from CIS and/or other) */ |
| 459 | uint varsz; /* Size of variables buffer */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 460 | u32 sbaddr; /* Current SB window pointer (-1, invalid) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 461 | |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 462 | struct sdpcmd_regs *regs; /* SDIO core */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 463 | uint sdpcmrev; /* SDIO core revision */ |
| 464 | uint armrev; /* CPU core revision */ |
| 465 | uint ramrev; /* SOCRAM core revision */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 466 | u32 ramsize; /* Size of RAM in SOCRAM (bytes) */ |
| 467 | u32 orig_ramsize; /* Size of RAM in SOCRAM (bytes) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 468 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 469 | u32 bus; /* gSPI or SDIO bus */ |
| 470 | u32 hostintmask; /* Copy of Host Interrupt Mask */ |
| 471 | u32 intstatus; /* Intstatus bits (events) pending */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 472 | bool dpc_sched; /* Indicates DPC schedule (intrpt rcvd) */ |
| 473 | bool fcstate; /* State of dongle flow-control */ |
| 474 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 475 | u16 cl_devid; /* cached devid for brcmf_sdio_probe_attach() */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 476 | char *fw_path; /* module_param: path to firmware image */ |
| 477 | char *nv_path; /* module_param: path to nvram vars file */ |
| 478 | const char *nvram_params; /* user specified nvram params. */ |
| 479 | |
| 480 | uint blocksize; /* Block size of SDIO transfers */ |
| 481 | uint roundup; /* Max roundup limit */ |
| 482 | |
| 483 | struct pktq txq; /* Queue length used for flow-control */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 484 | u8 flowcontrol; /* per prio flow control bitmask */ |
| 485 | u8 tx_seq; /* Transmit sequence number (next) */ |
| 486 | u8 tx_max; /* Maximum transmit sequence allowed */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 487 | |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 488 | u8 hdrbuf[MAX_HDR_READ + BRCMF_SDALIGN]; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 489 | u8 *rxhdr; /* Header of current rx frame (in hdrbuf) */ |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 490 | u16 nextlen; /* Next Read Len from last header */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 491 | u8 rx_seq; /* Receive sequence number (expected) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 492 | bool rxskip; /* Skip receive (awaiting NAK ACK) */ |
| 493 | |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 494 | struct sk_buff *glomd; /* Packet containing glomming descriptor */ |
| 495 | struct sk_buff *glom; /* Packet chain for glommed superframe */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 496 | uint glomerr; /* Glom packet read errors */ |
| 497 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 498 | u8 *rxbuf; /* Buffer for receiving control packets */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 499 | uint rxblen; /* Allocated length of rxbuf */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 500 | u8 *rxctl; /* Aligned pointer into rxbuf */ |
| 501 | u8 *databuf; /* Buffer for receiving big glom packet */ |
| 502 | u8 *dataptr; /* Aligned pointer into databuf */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 503 | uint rxlen; /* Length of valid data in buffer */ |
| 504 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 505 | u8 sdpcm_ver; /* Bus protocol reported by dongle */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 506 | |
| 507 | bool intr; /* Use interrupts */ |
| 508 | bool poll; /* Use polling */ |
| 509 | bool ipend; /* Device interrupt is pending */ |
| 510 | bool intdis; /* Interrupts disabled by isr */ |
| 511 | uint intrcount; /* Count of device interrupt callbacks */ |
| 512 | uint lastintrs; /* Count as of last watchdog timer */ |
| 513 | uint spurious; /* Count of spurious interrupts */ |
| 514 | uint pollrate; /* Ticks between device polls */ |
| 515 | uint polltick; /* Tick counter */ |
| 516 | uint pollcnt; /* Count of active polls */ |
| 517 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 518 | #ifdef BCMDBG |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 519 | struct dhd_console console; /* Console output polling support */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 520 | uint console_addr; /* Console address from shared struct */ |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 521 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 522 | |
| 523 | uint regfails; /* Count of R_REG/W_REG failures */ |
| 524 | |
| 525 | uint clkstate; /* State of sd and backplane clock(s) */ |
| 526 | bool activity; /* Activity flag for clock down */ |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 527 | s32 idletime; /* Control for activity timeout */ |
| 528 | s32 idlecount; /* Activity timeout counter */ |
| 529 | s32 idleclock; /* How to set bus driver when idle */ |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 530 | s32 sd_rxchain; /* If bcmsdh api accepts PKT chains */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 531 | bool use_rxchain; /* If dhd should use PKT chains */ |
| 532 | bool sleeping; /* Is SDIO bus sleeping? */ |
| 533 | bool rxflow_mode; /* Rx flow control mode */ |
| 534 | bool rxflow; /* Is rx flow control on */ |
| 535 | uint prev_rxlim_hit; /* Is prev rx limit exceeded |
| 536 | (per dpc schedule) */ |
| 537 | bool alp_only; /* Don't use HT clock (ALP only) */ |
| 538 | /* Field to decide if rx of control frames happen in rxbuf or lb-pool */ |
| 539 | bool usebufpool; |
| 540 | |
| 541 | #ifdef SDTEST |
| 542 | /* external loopback */ |
| 543 | bool ext_loop; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 544 | u8 loopid; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 545 | |
| 546 | /* pktgen configuration */ |
| 547 | uint pktgen_freq; /* Ticks between bursts */ |
| 548 | uint pktgen_count; /* Packets to send each burst */ |
| 549 | uint pktgen_print; /* Bursts between count displays */ |
| 550 | uint pktgen_total; /* Stop after this many */ |
| 551 | uint pktgen_minlen; /* Minimum packet data len */ |
| 552 | uint pktgen_maxlen; /* Maximum packet data len */ |
| 553 | uint pktgen_mode; /* Configured mode: tx, rx, or echo */ |
| 554 | uint pktgen_stop; /* Number of tx failures causing stop */ |
| 555 | |
| 556 | /* active pktgen fields */ |
| 557 | uint pktgen_tick; /* Tick counter for bursts */ |
| 558 | uint pktgen_ptick; /* Burst counter for printing */ |
| 559 | uint pktgen_sent; /* Number of test packets generated */ |
| 560 | uint pktgen_rcvd; /* Number of test packets received */ |
| 561 | uint pktgen_fail; /* Number of failed send attempts */ |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 562 | u16 pktgen_len; /* Length of next packet to send */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 563 | #endif /* SDTEST */ |
| 564 | |
| 565 | /* Some additional counters */ |
| 566 | uint tx_sderrs; /* Count of tx attempts with sd errors */ |
| 567 | uint fcqueued; /* Tx packets that got queued */ |
| 568 | uint rxrtx; /* Count of rtx requests (NAK to dongle) */ |
| 569 | uint rx_toolong; /* Receive frames too long to receive */ |
| 570 | uint rxc_errors; /* SDIO errors when reading control frames */ |
| 571 | uint rx_hdrfail; /* SDIO errors on header reads */ |
| 572 | uint rx_badhdr; /* Bad received headers (roosync?) */ |
| 573 | uint rx_badseq; /* Mismatched rx sequence number */ |
| 574 | uint fc_rcvd; /* Number of flow-control events received */ |
| 575 | uint fc_xoff; /* Number which turned on flow-control */ |
| 576 | uint fc_xon; /* Number which turned off flow-control */ |
| 577 | uint rxglomfail; /* Failed deglom attempts */ |
| 578 | uint rxglomframes; /* Number of glom frames (superframes) */ |
| 579 | uint rxglompkts; /* Number of packets from glom frames */ |
| 580 | uint f2rxhdrs; /* Number of header reads */ |
| 581 | uint f2rxdata; /* Number of frame data reads */ |
| 582 | uint f2txdata; /* Number of f2 frame writes */ |
| 583 | uint f1regdata; /* Number of f1 register accesses */ |
| 584 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 585 | u8 *ctrl_frame_buf; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 586 | u32 ctrl_frame_len; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 587 | bool ctrl_frame_stat; |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 588 | |
| 589 | spinlock_t txqlock; |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 590 | wait_queue_head_t ctrl_wait; |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 591 | |
| 592 | struct timer_list timer; |
| 593 | struct completion watchdog_wait; |
| 594 | struct task_struct *watchdog_tsk; |
| 595 | bool wd_timer_valid; |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 596 | |
| 597 | struct tasklet_struct tasklet; |
| 598 | struct task_struct *dpc_tsk; |
| 599 | struct completion dpc_wait; |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 600 | |
| 601 | bool threads_only; |
| 602 | struct semaphore sdsem; |
| 603 | spinlock_t sdlock; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 604 | } dhd_bus_t; |
| 605 | |
Roland Vossen | b6fe70c | 2011-06-01 13:45:19 +0200 | [diff] [blame] | 606 | typedef volatile struct _sbconfig { |
| 607 | u32 PAD[2]; |
| 608 | u32 sbipsflag; /* initiator port ocp slave flag */ |
| 609 | u32 PAD[3]; |
| 610 | u32 sbtpsflag; /* target port ocp slave flag */ |
| 611 | u32 PAD[11]; |
| 612 | u32 sbtmerrloga; /* (sonics >= 2.3) */ |
| 613 | u32 PAD; |
| 614 | u32 sbtmerrlog; /* (sonics >= 2.3) */ |
| 615 | u32 PAD[3]; |
| 616 | u32 sbadmatch3; /* address match3 */ |
| 617 | u32 PAD; |
| 618 | u32 sbadmatch2; /* address match2 */ |
| 619 | u32 PAD; |
| 620 | u32 sbadmatch1; /* address match1 */ |
| 621 | u32 PAD[7]; |
| 622 | u32 sbimstate; /* initiator agent state */ |
| 623 | u32 sbintvec; /* interrupt mask */ |
| 624 | u32 sbtmstatelow; /* target state */ |
| 625 | u32 sbtmstatehigh; /* target state */ |
| 626 | u32 sbbwa0; /* bandwidth allocation table0 */ |
| 627 | u32 PAD; |
| 628 | u32 sbimconfiglow; /* initiator configuration */ |
| 629 | u32 sbimconfighigh; /* initiator configuration */ |
| 630 | u32 sbadmatch0; /* address match0 */ |
| 631 | u32 PAD; |
| 632 | u32 sbtmconfiglow; /* target configuration */ |
| 633 | u32 sbtmconfighigh; /* target configuration */ |
| 634 | u32 sbbconfig; /* broadcast configuration */ |
| 635 | u32 PAD; |
| 636 | u32 sbbstate; /* broadcast state */ |
| 637 | u32 PAD[3]; |
| 638 | u32 sbactcnfg; /* activate configuration */ |
| 639 | u32 PAD[3]; |
| 640 | u32 sbflagst; /* current sbflags */ |
| 641 | u32 PAD[3]; |
| 642 | u32 sbidlow; /* identification */ |
| 643 | u32 sbidhigh; /* identification */ |
| 644 | } sbconfig_t; |
| 645 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 646 | /* clkstate */ |
| 647 | #define CLK_NONE 0 |
| 648 | #define CLK_SDONLY 1 |
| 649 | #define CLK_PENDING 2 /* Not used yet */ |
| 650 | #define CLK_AVAIL 3 |
| 651 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 652 | #define DHD_NOPMU(dhd) (false) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 653 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 654 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 655 | static int qcount[NUMPRIO]; |
| 656 | static int tx_packets[NUMPRIO]; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 657 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 658 | |
| 659 | /* Deferred transmit */ |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 660 | uint brcmf_deferred_tx = 1; |
| 661 | module_param(brcmf_deferred_tx, uint, 0); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 662 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 663 | /* Watchdog thread priority, -1 to use kernel timer */ |
| 664 | int brcmf_watchdog_prio = 97; |
| 665 | module_param(brcmf_watchdog_prio, int, 0); |
| 666 | |
| 667 | /* Watchdog interval */ |
| 668 | uint brcmf_watchdog_ms = 10; |
| 669 | module_param(brcmf_watchdog_ms, uint, 0); |
| 670 | |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 671 | /* DPC thread priority, -1 to use tasklet */ |
| 672 | int brcmf_dpc_prio = 98; |
| 673 | module_param(brcmf_dpc_prio, int, 0); |
| 674 | |
Franky Lin | 913af5f | 2011-06-29 16:47:44 -0700 | [diff] [blame] | 675 | #ifdef BCMDBG |
| 676 | /* Console poll interval */ |
| 677 | uint brcmf_console_ms; |
| 678 | module_param(brcmf_console_ms, uint, 0); |
| 679 | #endif /* DHD_DEBUG */ |
| 680 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 681 | /* Tx/Rx bounds */ |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 682 | uint brcmf_txbound; |
| 683 | uint brcmf_rxbound; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 684 | uint dhd_txminmax; |
| 685 | |
| 686 | /* override the RAM size if possible */ |
| 687 | #define DONGLE_MIN_MEMSIZE (128 * 1024) |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 688 | int brcmf_dongle_memsize; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 689 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 690 | static bool dhd_alignctl; |
| 691 | |
| 692 | static bool sd1idle; |
| 693 | |
| 694 | static bool retrydata; |
| 695 | #define RETRYCHAN(chan) (((chan) == SDPCM_EVENT_CHANNEL) || retrydata) |
| 696 | |
| 697 | static const uint watermark = 8; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 698 | static const uint firstread = BRCMF_FIRSTREAD; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 699 | |
| 700 | #define HDATLEN (firstread - (SDPCM_HDRLEN)) |
| 701 | |
| 702 | /* Retry count for register access failures */ |
| 703 | static const uint retry_limit = 2; |
| 704 | |
| 705 | /* Force even SD lengths (some host controllers mess up on odd bytes) */ |
| 706 | static bool forcealign; |
| 707 | |
| 708 | #define ALIGNMENT 4 |
| 709 | |
Arend van Spriel | 3c9d4c3 | 2011-03-02 21:18:48 +0100 | [diff] [blame] | 710 | #define PKTALIGN(_p, _len, _align) \ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 711 | do { \ |
| 712 | uint datalign; \ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 713 | datalign = (unsigned long)((_p)->data); \ |
| 714 | datalign = roundup(datalign, (_align)) - datalign; \ |
| 715 | ASSERT(datalign < (_align)); \ |
| 716 | ASSERT((_p)->len >= ((_len) + datalign)); \ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 717 | if (datalign) \ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 718 | skb_pull((_p), datalign); \ |
| 719 | __skb_trim((_p), (_len)); \ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 720 | } while (0) |
| 721 | |
| 722 | /* Limit on rounding up frames */ |
| 723 | static const uint max_roundup = 512; |
| 724 | |
| 725 | /* Try doing readahead */ |
| 726 | static bool dhd_readahead; |
| 727 | |
| 728 | /* To check if there's window offered */ |
| 729 | #define DATAOK(bus) \ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 730 | (((u8)(bus->tx_max - bus->tx_seq) != 0) && \ |
| 731 | (((u8)(bus->tx_max - bus->tx_seq) & 0x80) == 0)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 732 | |
| 733 | /* Macros to get register read/write status */ |
| 734 | /* NOTE: these assume a local dhdsdio_bus_t *bus! */ |
| 735 | #define R_SDREG(regvar, regaddr, retryvar) \ |
| 736 | do { \ |
| 737 | retryvar = 0; \ |
| 738 | do { \ |
Arend van Spriel | ff31c54 | 2011-03-01 10:56:54 +0100 | [diff] [blame] | 739 | regvar = R_REG(regaddr); \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 740 | } while (brcmf_sdcard_regfail(bus->sdh) && \ |
| 741 | (++retryvar <= retry_limit)); \ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 742 | if (retryvar) { \ |
| 743 | bus->regfails += (retryvar-1); \ |
| 744 | if (retryvar > retry_limit) { \ |
| 745 | DHD_ERROR(("%s: FAILED" #regvar "READ, LINE %d\n", \ |
| 746 | __func__, __LINE__)); \ |
| 747 | regvar = 0; \ |
| 748 | } \ |
| 749 | } \ |
| 750 | } while (0) |
| 751 | |
| 752 | #define W_SDREG(regval, regaddr, retryvar) \ |
| 753 | do { \ |
| 754 | retryvar = 0; \ |
| 755 | do { \ |
Arend van Spriel | ff31c54 | 2011-03-01 10:56:54 +0100 | [diff] [blame] | 756 | W_REG(regaddr, regval); \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 757 | } while (brcmf_sdcard_regfail(bus->sdh) && \ |
| 758 | (++retryvar <= retry_limit)); \ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 759 | if (retryvar) { \ |
| 760 | bus->regfails += (retryvar-1); \ |
| 761 | if (retryvar > retry_limit) \ |
| 762 | DHD_ERROR(("%s: FAILED REGISTER WRITE, LINE %d\n", \ |
| 763 | __func__, __LINE__)); \ |
| 764 | } \ |
| 765 | } while (0) |
| 766 | |
| 767 | #define DHD_BUS SDIO_BUS |
| 768 | |
| 769 | #define PKT_AVAILABLE() (intstatus & I_HMB_FRAME_IND) |
| 770 | |
| 771 | #define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE) |
| 772 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 773 | #ifdef SDTEST |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 774 | static void brcmf_sdbrcm_checkdied(dhd_bus_t *bus, void *pkt, uint seq); |
| 775 | static void brcmf_sdbrcm_sdtest_set(dhd_bus_t *bus, bool start); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 776 | #endif |
| 777 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 778 | #ifdef BCMDBG |
Franky Lin | 913af5f | 2011-06-29 16:47:44 -0700 | [diff] [blame] | 779 | static int brcmf_sdbrcm_bus_console_in(dhd_pub_t *dhdp, unsigned char *msg, |
| 780 | uint msglen); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 781 | static int brcmf_sdbrcm_checkdied(dhd_bus_t *bus, u8 *data, uint size); |
| 782 | static int brcmf_sdbrcm_mem_dump(dhd_bus_t *bus); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 783 | #endif /* BCMDBG */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 784 | static int brcmf_sdbrcm_download_state(dhd_bus_t *bus, bool enter); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 785 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 786 | static void brcmf_sdbrcm_release(dhd_bus_t *bus); |
| 787 | static void brcmf_sdbrcm_release_malloc(dhd_bus_t *bus); |
| 788 | static void brcmf_sdbrcm_disconnect(void *ptr); |
| 789 | static bool brcmf_sdbrcm_chipmatch(u16 chipid); |
| 790 | static bool brcmf_sdbrcm_probe_attach(dhd_bus_t *bus, void *sdh, |
Arend van Spriel | 8da4a3a | 2011-03-02 21:18:42 +0100 | [diff] [blame] | 791 | void *regsva, u16 devid); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 792 | static bool brcmf_sdbrcm_probe_malloc(dhd_bus_t *bus, void *sdh); |
| 793 | static bool brcmf_sdbrcm_probe_init(dhd_bus_t *bus, void *sdh); |
| 794 | static void brcmf_sdbrcm_release_dongle(dhd_bus_t *bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 795 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 796 | static uint brcmf_process_nvram_vars(char *varbuf, uint len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 797 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 798 | static void brcmf_sdbrcm_setmemsize(struct dhd_bus *bus, int mem_size); |
| 799 | static int brcmf_sdbrcm_send_buf(dhd_bus_t *bus, u32 addr, uint fn, |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 800 | uint flags, u8 *buf, uint nbytes, |
| 801 | struct sk_buff *pkt, bcmsdh_cmplt_fn_t complete, |
| 802 | void *handle); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 803 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 804 | static bool brcmf_sdbrcm_download_firmware(struct dhd_bus *bus, void *sdh); |
| 805 | static int _brcmf_sdbrcm_download_firmware(struct dhd_bus *bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 806 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 807 | static int |
| 808 | brcmf_sdbrcm_download_code_file(struct dhd_bus *bus, char *image_path); |
| 809 | static int brcmf_sdbrcm_download_nvram(struct dhd_bus *bus); |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 810 | static void brcmf_sdbrcm_chip_disablecore(struct brcmf_sdio *sdh, u32 corebase); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 811 | static int brcmf_sdbrcm_chip_attach(struct dhd_bus *bus, void *regs); |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 812 | static void brcmf_sdbrcm_chip_resetcore(struct brcmf_sdio *sdh, u32 corebase); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 813 | static void brcmf_sdbrcm_sdiod_drive_strength_init(struct dhd_bus *bus, |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 814 | u32 drivestrength); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 815 | static void brcmf_sdbrcm_chip_detach(struct dhd_bus *bus); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 816 | static void brcmf_sdbrcm_wait_for_event(dhd_bus_t *bus, bool *lockvar); |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 817 | static void brcmf_sdbrcm_wait_event_wakeup(dhd_bus_t *bus); |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 818 | static void brcmf_sdbrcm_watchdog(unsigned long data); |
| 819 | static int brcmf_sdbrcm_watchdog_thread(void *data); |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 820 | static int brcmf_sdbrcm_dpc_thread(void *data); |
| 821 | static void brcmf_sdbrcm_dpc_tasklet(unsigned long data); |
| 822 | static void brcmf_sdbrcm_sched_dpc(dhd_bus_t *bus); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 823 | static void brcmf_sdbrcm_sdlock(dhd_bus_t *bus); |
| 824 | static void brcmf_sdbrcm_sdunlock(dhd_bus_t *bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 825 | |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 826 | /* Packet free applicable unconditionally for sdio and sdspi. |
| 827 | * Conditional if bufpool was present for gspi bus. |
| 828 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 829 | static void brcmf_sdbrcm_pktfree2(dhd_bus_t *bus, struct sk_buff *pkt) |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 830 | { |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 831 | if ((bus->bus != SPI_BUS) || bus->usebufpool) |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 832 | brcmu_pkt_buf_free_skb(pkt); |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 833 | } |
| 834 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 835 | static void brcmf_sdbrcm_setmemsize(struct dhd_bus *bus, int mem_size) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 836 | { |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 837 | s32 min_size = DONGLE_MIN_MEMSIZE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 838 | /* Restrict the memsize to user specified limit */ |
| 839 | DHD_ERROR(("user: Restrict the dongle ram size to %d, min %d\n", |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 840 | brcmf_dongle_memsize, min_size)); |
| 841 | if ((brcmf_dongle_memsize > min_size) && |
| 842 | (brcmf_dongle_memsize < (s32) bus->orig_ramsize)) |
| 843 | bus->ramsize = brcmf_dongle_memsize; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 844 | } |
| 845 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 846 | static int brcmf_sdbrcm_set_siaddr_window(dhd_bus_t *bus, u32 address) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 847 | { |
| 848 | int err = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 849 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 850 | (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err); |
| 851 | if (!err) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 852 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, |
| 853 | SBSDIO_FUNC1_SBADDRMID, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 854 | (address >> 16) & SBSDIO_SBADDRMID_MASK, &err); |
| 855 | if (!err) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 856 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, |
| 857 | SBSDIO_FUNC1_SBADDRHIGH, |
| 858 | (address >> 24) & SBSDIO_SBADDRHIGH_MASK, |
| 859 | &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 860 | return err; |
| 861 | } |
| 862 | |
| 863 | /* Turn backplane clock on or off */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 864 | static int brcmf_sdbrcm_htclk(dhd_bus_t *bus, bool on, bool pendok) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 865 | { |
| 866 | int err; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 867 | u8 clkctl, clkreq, devctl; |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 868 | struct brcmf_sdio *sdh; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 869 | |
| 870 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 871 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 872 | clkctl = 0; |
| 873 | sdh = bus->sdh; |
| 874 | |
| 875 | if (on) { |
| 876 | /* Request HT Avail */ |
| 877 | clkreq = |
| 878 | bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ; |
| 879 | |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 880 | if ((bus->ci->chip == BCM4329_CHIP_ID) |
| 881 | && (bus->ci->chiprev == 0)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 882 | clkreq |= SBSDIO_FORCE_ALP; |
| 883 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 884 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 885 | SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 886 | if (err) { |
| 887 | DHD_ERROR(("%s: HT Avail request error: %d\n", |
| 888 | __func__, err)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 889 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 890 | } |
| 891 | |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 892 | if (pendok && ((bus->ci->buscoretype == PCMCIA_CORE_ID) |
| 893 | && (bus->ci->buscorerev == 9))) { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 894 | u32 dummy, retries; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 895 | R_SDREG(dummy, &bus->regs->clockctlstatus, retries); |
| 896 | } |
| 897 | |
| 898 | /* Check current status */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 899 | clkctl = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 900 | SBSDIO_FUNC1_CHIPCLKCSR, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 901 | if (err) { |
| 902 | DHD_ERROR(("%s: HT Avail read error: %d\n", |
| 903 | __func__, err)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 904 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 905 | } |
| 906 | |
| 907 | /* Go to pending and await interrupt if appropriate */ |
| 908 | if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) { |
| 909 | /* Allow only clock-available interrupt */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 910 | devctl = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 911 | SBSDIO_DEVICE_CTL, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 912 | if (err) { |
| 913 | DHD_ERROR(("%s: Devctl error setting CA: %d\n", |
| 914 | __func__, err)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 915 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 916 | } |
| 917 | |
| 918 | devctl |= SBSDIO_DEVCTL_CA_INT_ONLY; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 919 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 920 | SBSDIO_DEVICE_CTL, devctl, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 921 | DHD_INFO(("CLKCTL: set PENDING\n")); |
| 922 | bus->clkstate = CLK_PENDING; |
| 923 | |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 924 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 925 | } else if (bus->clkstate == CLK_PENDING) { |
| 926 | /* Cancel CA-only interrupt filter */ |
| 927 | devctl = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 928 | brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 929 | SBSDIO_DEVICE_CTL, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 930 | devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 931 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 932 | SBSDIO_DEVICE_CTL, devctl, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 933 | } |
| 934 | |
| 935 | /* Otherwise, wait here (polling) for HT Avail */ |
| 936 | if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { |
| 937 | SPINWAIT_SLEEP(sdioh_spinwait_sleep, |
| 938 | ((clkctl = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 939 | brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 940 | SBSDIO_FUNC1_CHIPCLKCSR, |
| 941 | &err)), |
| 942 | !SBSDIO_CLKAV(clkctl, bus->alp_only)), |
| 943 | PMU_MAX_TRANSITION_DLY); |
| 944 | } |
| 945 | if (err) { |
| 946 | DHD_ERROR(("%s: HT Avail request error: %d\n", |
| 947 | __func__, err)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 948 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 949 | } |
| 950 | if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { |
| 951 | DHD_ERROR(("%s: HT Avail timeout (%d): clkctl 0x%02x\n", |
| 952 | __func__, PMU_MAX_TRANSITION_DLY, clkctl)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 953 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | /* Mark clock available */ |
| 957 | bus->clkstate = CLK_AVAIL; |
| 958 | DHD_INFO(("CLKCTL: turned ON\n")); |
| 959 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 960 | #if defined(BCMDBG) |
Arend van Spriel | f3341e7 | 2011-06-29 16:47:28 -0700 | [diff] [blame] | 961 | if (bus->alp_only != true) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 962 | if (SBSDIO_ALPONLY(clkctl)) { |
| 963 | DHD_ERROR(("%s: HT Clock should be on.\n", |
| 964 | __func__)); |
| 965 | } |
| 966 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 967 | #endif /* defined (BCMDBG) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 968 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 969 | bus->activity = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 970 | } else { |
| 971 | clkreq = 0; |
| 972 | |
| 973 | if (bus->clkstate == CLK_PENDING) { |
| 974 | /* Cancel CA-only interrupt filter */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 975 | devctl = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 976 | SBSDIO_DEVICE_CTL, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 977 | devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 978 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 979 | SBSDIO_DEVICE_CTL, devctl, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 980 | } |
| 981 | |
| 982 | bus->clkstate = CLK_SDONLY; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 983 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 984 | SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 985 | DHD_INFO(("CLKCTL: turned OFF\n")); |
| 986 | if (err) { |
| 987 | DHD_ERROR(("%s: Failed access turning clock off: %d\n", |
| 988 | __func__, err)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 989 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 990 | } |
| 991 | } |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 992 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | /* Change idle/active SD state */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 996 | static int brcmf_sdbrcm_sdclk(dhd_bus_t *bus, bool on) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 997 | { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 998 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 999 | |
Franky Lin | 602a8ab | 2011-06-01 13:45:04 +0200 | [diff] [blame] | 1000 | if (on) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1001 | bus->clkstate = CLK_SDONLY; |
Franky Lin | 602a8ab | 2011-06-01 13:45:04 +0200 | [diff] [blame] | 1002 | else |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1003 | bus->clkstate = CLK_NONE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1004 | |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 1005 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1006 | } |
| 1007 | |
| 1008 | /* Transition SD and backplane clock readiness */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1009 | static int brcmf_sdbrcm_clkctl(dhd_bus_t *bus, uint target, bool pendok) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1010 | { |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1011 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1012 | uint oldstate = bus->clkstate; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1013 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1014 | |
| 1015 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 1016 | |
| 1017 | /* Early exit if we're already there */ |
| 1018 | if (bus->clkstate == target) { |
| 1019 | if (target == CLK_AVAIL) { |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 1020 | brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms); |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1021 | bus->activity = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1022 | } |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 1023 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1024 | } |
| 1025 | |
| 1026 | switch (target) { |
| 1027 | case CLK_AVAIL: |
| 1028 | /* Make sure SD clock is available */ |
| 1029 | if (bus->clkstate == CLK_NONE) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1030 | brcmf_sdbrcm_sdclk(bus, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1031 | /* Now request HT Avail on the backplane */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1032 | brcmf_sdbrcm_htclk(bus, true, pendok); |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 1033 | brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms); |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1034 | bus->activity = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1035 | break; |
| 1036 | |
| 1037 | case CLK_SDONLY: |
| 1038 | /* Remove HT request, or bring up SD clock */ |
| 1039 | if (bus->clkstate == CLK_NONE) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1040 | brcmf_sdbrcm_sdclk(bus, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1041 | else if (bus->clkstate == CLK_AVAIL) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1042 | brcmf_sdbrcm_htclk(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1043 | else |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1044 | DHD_ERROR(("brcmf_sdbrcm_clkctl: request for %d -> %d" |
| 1045 | "\n", bus->clkstate, target)); |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 1046 | brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1047 | break; |
| 1048 | |
| 1049 | case CLK_NONE: |
| 1050 | /* Make sure to remove HT request */ |
| 1051 | if (bus->clkstate == CLK_AVAIL) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1052 | brcmf_sdbrcm_htclk(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1053 | /* Now remove the SD clock */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1054 | brcmf_sdbrcm_sdclk(bus, false); |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 1055 | brcmf_sdbrcm_wd_timer(bus, 0); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1056 | break; |
| 1057 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1058 | #ifdef BCMDBG |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1059 | DHD_INFO(("brcmf_sdbrcm_clkctl: %d -> %d\n", oldstate, bus->clkstate)); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1060 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1061 | |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 1062 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1063 | } |
| 1064 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1065 | int brcmf_sdbrcm_bussleep(dhd_bus_t *bus, bool sleep) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1066 | { |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 1067 | struct brcmf_sdio *sdh = bus->sdh; |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 1068 | struct sdpcmd_regs *regs = bus->regs; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1069 | uint retries = 0; |
| 1070 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1071 | DHD_INFO(("brcmf_sdbrcm_bussleep: request %s (currently %s)\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1072 | (sleep ? "SLEEP" : "WAKE"), |
| 1073 | (bus->sleeping ? "SLEEP" : "WAKE"))); |
| 1074 | |
| 1075 | /* Done if we're already in the requested state */ |
| 1076 | if (sleep == bus->sleeping) |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 1077 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1078 | |
| 1079 | /* Going to sleep: set the alarm and turn off the lights... */ |
| 1080 | if (sleep) { |
| 1081 | /* Don't sleep if something is pending */ |
| 1082 | if (bus->dpc_sched || bus->rxskip || pktq_len(&bus->txq)) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 1083 | return -EBUSY; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1084 | |
| 1085 | /* Disable SDIO interrupts (no longer interested) */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1086 | brcmf_sdcard_intr_disable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1087 | |
| 1088 | /* Make sure the controller has the bus up */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1089 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1090 | |
| 1091 | /* Tell device to start using OOB wakeup */ |
| 1092 | W_SDREG(SMB_USE_OOB, ®s->tosbmailbox, retries); |
| 1093 | if (retries > retry_limit) |
| 1094 | DHD_ERROR(("CANNOT SIGNAL CHIP, WILL NOT WAKE UP!!\n")); |
| 1095 | |
| 1096 | /* Turn off our contribution to the HT clock request */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1097 | brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1098 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1099 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 1100 | SBSDIO_FUNC1_CHIPCLKCSR, |
| 1101 | SBSDIO_FORCE_HW_CLKREQ_OFF, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1102 | |
| 1103 | /* Isolate the bus */ |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 1104 | if (bus->ci->chip != BCM4329_CHIP_ID |
| 1105 | && bus->ci->chip != BCM4319_CHIP_ID) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1106 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 1107 | SBSDIO_DEVICE_CTL, |
| 1108 | SBSDIO_DEVCTL_PADS_ISO, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1109 | } |
| 1110 | |
| 1111 | /* Change state */ |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1112 | bus->sleeping = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1113 | |
| 1114 | } else { |
| 1115 | /* Waking up: bus power up is ok, set local state */ |
| 1116 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1117 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 1118 | SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1119 | |
| 1120 | /* Force pad isolation off if possible |
| 1121 | (in case power never toggled) */ |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 1122 | if ((bus->ci->buscoretype == PCMCIA_CORE_ID) |
| 1123 | && (bus->ci->buscorerev >= 10)) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1124 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 1125 | SBSDIO_DEVICE_CTL, 0, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1126 | |
| 1127 | /* Make sure the controller has the bus up */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1128 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1129 | |
| 1130 | /* Send misc interrupt to indicate OOB not needed */ |
| 1131 | W_SDREG(0, ®s->tosbmailboxdata, retries); |
| 1132 | if (retries <= retry_limit) |
| 1133 | W_SDREG(SMB_DEV_INT, ®s->tosbmailbox, retries); |
| 1134 | |
| 1135 | if (retries > retry_limit) |
| 1136 | DHD_ERROR(("CANNOT SIGNAL CHIP TO CLEAR OOB!!\n")); |
| 1137 | |
| 1138 | /* Make sure we have SD bus access */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1139 | brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1140 | |
| 1141 | /* Change state */ |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1142 | bus->sleeping = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1143 | |
| 1144 | /* Enable interrupts again */ |
| 1145 | if (bus->intr && (bus->dhd->busstate == DHD_BUS_DATA)) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1146 | bus->intdis = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1147 | brcmf_sdcard_intr_enable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1148 | } |
| 1149 | } |
| 1150 | |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 1151 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1152 | } |
| 1153 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1154 | #define BUS_WAKE(bus) \ |
| 1155 | do { \ |
| 1156 | if ((bus)->sleeping) \ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1157 | brcmf_sdbrcm_bussleep((bus), false); \ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1158 | } while (0); |
| 1159 | |
| 1160 | /* Writes a HW/SW header into the packet and sends it. */ |
| 1161 | /* Assumes: (a) header space already there, (b) caller holds lock */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1162 | static int brcmf_sdbrcm_txpkt(dhd_bus_t *bus, struct sk_buff *pkt, uint chan, |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 1163 | bool free_pkt) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1164 | { |
| 1165 | int ret; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1166 | u8 *frame; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 1167 | u16 len, pad = 0; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1168 | u32 swheader; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1169 | uint retries = 0; |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 1170 | struct brcmf_sdio *sdh; |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 1171 | struct sk_buff *new; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1172 | int i; |
| 1173 | |
| 1174 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 1175 | |
| 1176 | sdh = bus->sdh; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1177 | |
| 1178 | if (bus->dhd->dongle_reset) { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 1179 | ret = -EPERM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1180 | goto done; |
| 1181 | } |
| 1182 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1183 | frame = (u8 *) (pkt->data); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1184 | |
| 1185 | /* Add alignment padding, allocate new packet if needed */ |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1186 | pad = ((unsigned long)frame % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1187 | if (pad) { |
Arend van Spriel | 3be727c | 2010-11-23 22:20:30 +0100 | [diff] [blame] | 1188 | if (skb_headroom(pkt) < pad) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1189 | DHD_INFO(("%s: insufficient headroom %d for %d pad\n", |
Arend van Spriel | 3be727c | 2010-11-23 22:20:30 +0100 | [diff] [blame] | 1190 | __func__, skb_headroom(pkt), pad)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1191 | bus->dhd->tx_realloc++; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1192 | new = brcmu_pkt_buf_get_skb(pkt->len + BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1193 | if (!new) { |
| 1194 | DHD_ERROR(("%s: couldn't allocate new %d-byte " |
| 1195 | "packet\n", |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1196 | __func__, pkt->len + BRCMF_SDALIGN)); |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 1197 | ret = -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1198 | goto done; |
| 1199 | } |
| 1200 | |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1201 | PKTALIGN(new, pkt->len, BRCMF_SDALIGN); |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 1202 | memcpy(new->data, pkt->data, pkt->len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1203 | if (free_pkt) |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1204 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1205 | /* free the pkt if canned one is not used */ |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1206 | free_pkt = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1207 | pkt = new; |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1208 | frame = (u8 *) (pkt->data); |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1209 | ASSERT(((unsigned long)frame % BRCMF_SDALIGN) == 0); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1210 | pad = 0; |
| 1211 | } else { |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 1212 | skb_push(pkt, pad); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1213 | frame = (u8 *) (pkt->data); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1214 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1215 | ASSERT((pad + SDPCM_HDRLEN) <= (int)(pkt->len)); |
Brett Rudley | 9249ede | 2010-11-30 20:09:49 -0800 | [diff] [blame] | 1216 | memset(frame, 0, pad + SDPCM_HDRLEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1217 | } |
| 1218 | } |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1219 | ASSERT(pad < BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1220 | |
| 1221 | /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1222 | len = (u16) (pkt->len); |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 1223 | *(u16 *) frame = cpu_to_le16(len); |
| 1224 | *(((u16 *) frame) + 1) = cpu_to_le16(~len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1225 | |
| 1226 | /* Software tag: channel, sequence number, data offset */ |
| 1227 | swheader = |
| 1228 | ((chan << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) | bus->tx_seq | |
| 1229 | (((pad + |
| 1230 | SDPCM_HDRLEN) << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 1231 | |
| 1232 | put_unaligned_le32(swheader, frame + SDPCM_FRAMETAG_LEN); |
| 1233 | put_unaligned_le32(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1234 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1235 | #ifdef BCMDBG |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1236 | tx_packets[pkt->priority]++; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1237 | if (DHD_BYTES_ON() && |
| 1238 | (((DHD_CTL_ON() && (chan == SDPCM_CONTROL_CHANNEL)) || |
| 1239 | (DHD_DATA_ON() && (chan != SDPCM_CONTROL_CHANNEL))))) { |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 1240 | printk(KERN_DEBUG "Tx Frame:\n"); |
| 1241 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, frame, len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1242 | } else if (DHD_HDRS_ON()) { |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 1243 | printk(KERN_DEBUG "TxHdr:\n"); |
| 1244 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 1245 | frame, min_t(u16, len, 16)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1246 | } |
| 1247 | #endif |
| 1248 | |
| 1249 | /* Raise len to next SDIO block to eliminate tail command */ |
| 1250 | if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 1251 | u16 pad = bus->blocksize - (len % bus->blocksize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1252 | if ((pad <= bus->roundup) && (pad < bus->blocksize)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1253 | len += pad; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1254 | } else if (len % BRCMF_SDALIGN) { |
| 1255 | len += BRCMF_SDALIGN - (len % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1256 | } |
| 1257 | |
| 1258 | /* Some controllers have trouble with odd bytes -- round to even */ |
| 1259 | if (forcealign && (len & (ALIGNMENT - 1))) { |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 1260 | len = roundup(len, ALIGNMENT); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1261 | } |
| 1262 | |
| 1263 | do { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1264 | ret = brcmf_sdbrcm_send_buf(bus, brcmf_sdcard_cur_sbwad(sdh), |
| 1265 | SDIO_FUNC_2, F2SYNC, frame, len, pkt, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1266 | bus->f2txdata++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 1267 | ASSERT(ret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1268 | |
| 1269 | if (ret < 0) { |
| 1270 | /* On failure, abort the command |
| 1271 | and terminate the frame */ |
| 1272 | DHD_INFO(("%s: sdio error %d, abort command and " |
| 1273 | "terminate frame.\n", __func__, ret)); |
| 1274 | bus->tx_sderrs++; |
| 1275 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1276 | brcmf_sdcard_abort(sdh, SDIO_FUNC_2); |
| 1277 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1278 | SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM, |
| 1279 | NULL); |
| 1280 | bus->f1regdata++; |
| 1281 | |
| 1282 | for (i = 0; i < 3; i++) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1283 | u8 hi, lo; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1284 | hi = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1285 | SBSDIO_FUNC1_WFRAMEBCHI, |
| 1286 | NULL); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1287 | lo = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1288 | SBSDIO_FUNC1_WFRAMEBCLO, |
| 1289 | NULL); |
| 1290 | bus->f1regdata += 2; |
| 1291 | if ((hi == 0) && (lo == 0)) |
| 1292 | break; |
| 1293 | } |
| 1294 | |
| 1295 | } |
| 1296 | if (ret == 0) |
| 1297 | bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; |
| 1298 | |
| 1299 | } while ((ret < 0) && retrydata && retries++ < TXRETRIES); |
| 1300 | |
| 1301 | done: |
| 1302 | /* restore pkt buffer pointer before calling tx complete routine */ |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 1303 | skb_pull(pkt, SDPCM_HDRLEN + pad); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1304 | brcmf_sdbrcm_sdunlock(bus); |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 1305 | brcmf_txcomplete(bus->dhd, pkt, ret != 0); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1306 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1307 | |
| 1308 | if (free_pkt) |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1309 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1310 | |
| 1311 | return ret; |
| 1312 | } |
| 1313 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1314 | int brcmf_sdbrcm_bus_txdata(struct dhd_bus *bus, struct sk_buff *pkt) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1315 | { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 1316 | int ret = -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1317 | uint datalen, prec; |
| 1318 | |
| 1319 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 1320 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1321 | datalen = pkt->len; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1322 | |
| 1323 | #ifdef SDTEST |
| 1324 | /* Push the test header if doing loopback */ |
| 1325 | if (bus->ext_loop) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1326 | u8 *data; |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 1327 | skb_push(pkt, SDPCM_TEST_HDRLEN); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1328 | data = pkt->data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1329 | *data++ = SDPCM_TEST_ECHOREQ; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1330 | *data++ = (u8) bus->loopid++; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1331 | *data++ = (datalen >> 0); |
| 1332 | *data++ = (datalen >> 8); |
| 1333 | datalen += SDPCM_TEST_HDRLEN; |
| 1334 | } |
| 1335 | #endif /* SDTEST */ |
| 1336 | |
| 1337 | /* Add space for the header */ |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 1338 | skb_push(pkt, SDPCM_HDRLEN); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1339 | ASSERT(IS_ALIGNED((unsigned long)(pkt->data), 2)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1340 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1341 | prec = PRIO2PREC((pkt->priority & PRIOMASK)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1342 | |
| 1343 | /* Check for existing queue, current flow-control, |
| 1344 | pending event, or pending clock */ |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 1345 | if (brcmf_deferred_tx || bus->fcstate || pktq_len(&bus->txq) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1346 | || bus->dpc_sched || (!DATAOK(bus)) |
| 1347 | || (bus->flowcontrol & NBITVAL(prec)) |
| 1348 | || (bus->clkstate != CLK_AVAIL)) { |
| 1349 | DHD_TRACE(("%s: deferring pktq len %d\n", __func__, |
| 1350 | pktq_len(&bus->txq))); |
| 1351 | bus->fcqueued++; |
| 1352 | |
| 1353 | /* Priority based enq */ |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 1354 | spin_lock_bh(&bus->txqlock); |
Arend van Spriel | aba5e0a | 2011-06-29 16:47:03 -0700 | [diff] [blame] | 1355 | if (brcmf_c_prec_enq(bus->dhd, &bus->txq, pkt, prec) == false) { |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 1356 | skb_pull(pkt, SDPCM_HDRLEN); |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 1357 | brcmf_txcomplete(bus->dhd, pkt, false); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1358 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1359 | DHD_ERROR(("%s: out of bus->txq !!!\n", __func__)); |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 1360 | ret = -ENOSR; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1361 | } else { |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 1362 | ret = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1363 | } |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 1364 | spin_unlock_bh(&bus->txqlock); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1365 | |
Grant Grundler | 7c31607 | 2011-03-09 15:04:15 -0800 | [diff] [blame] | 1366 | if (pktq_len(&bus->txq) >= TXHI) |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 1367 | brcmf_txflowcontrol(bus->dhd, 0, ON); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1368 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1369 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1370 | if (pktq_plen(&bus->txq, prec) > qcount[prec]) |
| 1371 | qcount[prec] = pktq_plen(&bus->txq, prec); |
| 1372 | #endif |
| 1373 | /* Schedule DPC if needed to send queued packet(s) */ |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 1374 | if (brcmf_deferred_tx && !bus->dpc_sched) { |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1375 | bus->dpc_sched = true; |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 1376 | brcmf_sdbrcm_sched_dpc(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1377 | } |
| 1378 | } else { |
| 1379 | /* Lock: we're about to use shared data/code (and SDIO) */ |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1380 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1381 | |
| 1382 | /* Otherwise, send it now */ |
| 1383 | BUS_WAKE(bus); |
| 1384 | /* Make sure back plane ht clk is on, no pending allowed */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1385 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1386 | |
| 1387 | #ifndef SDTEST |
| 1388 | DHD_TRACE(("%s: calling txpkt\n", __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1389 | ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1390 | #else |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1391 | ret = brcmf_sdbrcm_txpkt(bus, pkt, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1392 | (bus->ext_loop ? SDPCM_TEST_CHANNEL : |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1393 | SDPCM_DATA_CHANNEL), true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1394 | #endif |
| 1395 | if (ret) |
| 1396 | bus->dhd->tx_errors++; |
| 1397 | else |
| 1398 | bus->dhd->dstats.tx_bytes += datalen; |
| 1399 | |
| 1400 | if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1401 | bus->activity = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1402 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1403 | } |
| 1404 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1405 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1406 | } |
| 1407 | |
| 1408 | return ret; |
| 1409 | } |
| 1410 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1411 | static uint brcmf_sdbrcm_sendfromq(dhd_bus_t *bus, uint maxframes) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1412 | { |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 1413 | struct sk_buff *pkt; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1414 | u32 intstatus = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1415 | uint retries = 0; |
| 1416 | int ret = 0, prec_out; |
| 1417 | uint cnt = 0; |
| 1418 | uint datalen; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1419 | u8 tx_prec_map; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1420 | |
| 1421 | dhd_pub_t *dhd = bus->dhd; |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 1422 | struct sdpcmd_regs *regs = bus->regs; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1423 | |
| 1424 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 1425 | |
| 1426 | tx_prec_map = ~bus->flowcontrol; |
| 1427 | |
| 1428 | /* Send frames until the limit or some other event */ |
| 1429 | for (cnt = 0; (cnt < maxframes) && DATAOK(bus); cnt++) { |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 1430 | spin_lock_bh(&bus->txqlock); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1431 | pkt = brcmu_pktq_mdeq(&bus->txq, tx_prec_map, &prec_out); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1432 | if (pkt == NULL) { |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 1433 | spin_unlock_bh(&bus->txqlock); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1434 | break; |
| 1435 | } |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 1436 | spin_unlock_bh(&bus->txqlock); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 1437 | datalen = pkt->len - SDPCM_HDRLEN; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1438 | |
| 1439 | #ifndef SDTEST |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1440 | ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1441 | #else |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1442 | ret = brcmf_sdbrcm_txpkt(bus, pkt, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1443 | (bus->ext_loop ? SDPCM_TEST_CHANNEL : |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1444 | SDPCM_DATA_CHANNEL), true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1445 | #endif |
| 1446 | if (ret) |
| 1447 | bus->dhd->tx_errors++; |
| 1448 | else |
| 1449 | bus->dhd->dstats.tx_bytes += datalen; |
| 1450 | |
| 1451 | /* In poll mode, need to check for other events */ |
| 1452 | if (!bus->intr && cnt) { |
| 1453 | /* Check device status, signal pending interrupt */ |
| 1454 | R_SDREG(intstatus, ®s->intstatus, retries); |
| 1455 | bus->f2txdata++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1456 | if (brcmf_sdcard_regfail(bus->sdh)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1457 | break; |
| 1458 | if (intstatus & bus->hostintmask) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1459 | bus->ipend = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | /* Deflow-control stack if needed */ |
Grant Grundler | 7c31607 | 2011-03-09 15:04:15 -0800 | [diff] [blame] | 1464 | if (dhd->up && (dhd->busstate == DHD_BUS_DATA) && |
Grant Grundler | 26a71a4 | 2011-03-09 10:41:25 -0800 | [diff] [blame] | 1465 | dhd->txoff && (pktq_len(&bus->txq) < TXLOW)) |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 1466 | brcmf_txflowcontrol(dhd, 0, OFF); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1467 | |
| 1468 | return cnt; |
| 1469 | } |
| 1470 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1471 | int |
| 1472 | brcmf_sdbrcm_bus_txctl(struct dhd_bus *bus, unsigned char *msg, uint msglen) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1473 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1474 | u8 *frame; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 1475 | u16 len; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1476 | u32 swheader; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1477 | uint retries = 0; |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 1478 | struct brcmf_sdio *sdh = bus->sdh; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1479 | u8 doff = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1480 | int ret = -1; |
| 1481 | int i; |
| 1482 | |
| 1483 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 1484 | |
| 1485 | if (bus->dhd->dongle_reset) |
| 1486 | return -EIO; |
| 1487 | |
| 1488 | /* Back the pointer to make a room for bus header */ |
| 1489 | frame = msg - SDPCM_HDRLEN; |
| 1490 | len = (msglen += SDPCM_HDRLEN); |
| 1491 | |
| 1492 | /* Add alignment padding (optional for ctl frames) */ |
| 1493 | if (dhd_alignctl) { |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1494 | doff = ((unsigned long)frame % BRCMF_SDALIGN); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 1495 | if (doff) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1496 | frame -= doff; |
| 1497 | len += doff; |
| 1498 | msglen += doff; |
Brett Rudley | 9249ede | 2010-11-30 20:09:49 -0800 | [diff] [blame] | 1499 | memset(frame, 0, doff + SDPCM_HDRLEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1500 | } |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1501 | ASSERT(doff < BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1502 | } |
| 1503 | doff += SDPCM_HDRLEN; |
| 1504 | |
| 1505 | /* Round send length to next SDIO block */ |
| 1506 | if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 1507 | u16 pad = bus->blocksize - (len % bus->blocksize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1508 | if ((pad <= bus->roundup) && (pad < bus->blocksize)) |
| 1509 | len += pad; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 1510 | } else if (len % BRCMF_SDALIGN) { |
| 1511 | len += BRCMF_SDALIGN - (len % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1512 | } |
| 1513 | |
| 1514 | /* Satisfy length-alignment requirements */ |
| 1515 | if (forcealign && (len & (ALIGNMENT - 1))) |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 1516 | len = roundup(len, ALIGNMENT); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1517 | |
Greg Kroah-Hartman | f024c48 | 2010-10-21 10:50:21 -0700 | [diff] [blame] | 1518 | ASSERT(IS_ALIGNED((unsigned long)frame, 2)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1519 | |
| 1520 | /* Need to lock here to protect txseq and SDIO tx calls */ |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1521 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1522 | |
| 1523 | BUS_WAKE(bus); |
| 1524 | |
| 1525 | /* Make sure backplane clock is on */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1526 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1527 | |
| 1528 | /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 1529 | *(u16 *) frame = cpu_to_le16((u16) msglen); |
| 1530 | *(((u16 *) frame) + 1) = cpu_to_le16(~msglen); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1531 | |
| 1532 | /* Software tag: channel, sequence number, data offset */ |
| 1533 | swheader = |
| 1534 | ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) & |
| 1535 | SDPCM_CHANNEL_MASK) |
| 1536 | | bus->tx_seq | ((doff << SDPCM_DOFFSET_SHIFT) & |
| 1537 | SDPCM_DOFFSET_MASK); |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 1538 | put_unaligned_le32(swheader, frame + SDPCM_FRAMETAG_LEN); |
| 1539 | put_unaligned_le32(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1540 | |
| 1541 | if (!DATAOK(bus)) { |
| 1542 | DHD_INFO(("%s: No bus credit bus->tx_max %d, bus->tx_seq %d\n", |
| 1543 | __func__, bus->tx_max, bus->tx_seq)); |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1544 | bus->ctrl_frame_stat = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1545 | /* Send from dpc */ |
| 1546 | bus->ctrl_frame_buf = frame; |
| 1547 | bus->ctrl_frame_len = len; |
| 1548 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1549 | brcmf_sdbrcm_wait_for_event(bus, &bus->ctrl_frame_stat); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1550 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1551 | if (bus->ctrl_frame_stat == false) { |
| 1552 | DHD_INFO(("%s: ctrl_frame_stat == false\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1553 | ret = 0; |
| 1554 | } else { |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1555 | DHD_INFO(("%s: ctrl_frame_stat == true\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1556 | ret = -1; |
| 1557 | } |
| 1558 | } |
| 1559 | |
| 1560 | if (ret == -1) { |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1561 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 1562 | if (DHD_BYTES_ON() && DHD_CTL_ON()) { |
| 1563 | printk(KERN_DEBUG "Tx Frame:\n"); |
| 1564 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 1565 | frame, len); |
| 1566 | } else if (DHD_HDRS_ON()) { |
| 1567 | printk(KERN_DEBUG "TxHdr:\n"); |
| 1568 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 1569 | frame, min_t(u16, len, 16)); |
| 1570 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1571 | #endif |
| 1572 | |
| 1573 | do { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1574 | bus->ctrl_frame_stat = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1575 | ret = brcmf_sdbrcm_send_buf(bus, |
| 1576 | brcmf_sdcard_cur_sbwad(sdh), SDIO_FUNC_2, |
| 1577 | F2SYNC, frame, len, NULL, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1578 | |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 1579 | ASSERT(ret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1580 | |
| 1581 | if (ret < 0) { |
| 1582 | /* On failure, abort the command and |
| 1583 | terminate the frame */ |
| 1584 | DHD_INFO(("%s: sdio error %d, abort command and terminate frame.\n", |
| 1585 | __func__, ret)); |
| 1586 | bus->tx_sderrs++; |
| 1587 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1588 | brcmf_sdcard_abort(sdh, SDIO_FUNC_2); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1589 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1590 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1591 | SBSDIO_FUNC1_FRAMECTRL, |
| 1592 | SFC_WF_TERM, NULL); |
| 1593 | bus->f1regdata++; |
| 1594 | |
| 1595 | for (i = 0; i < 3; i++) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1596 | u8 hi, lo; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1597 | hi = brcmf_sdcard_cfg_read(sdh, |
| 1598 | SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1599 | SBSDIO_FUNC1_WFRAMEBCHI, |
| 1600 | NULL); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1601 | lo = brcmf_sdcard_cfg_read(sdh, |
| 1602 | SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1603 | SBSDIO_FUNC1_WFRAMEBCLO, |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1604 | NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1605 | bus->f1regdata += 2; |
| 1606 | if ((hi == 0) && (lo == 0)) |
| 1607 | break; |
| 1608 | } |
| 1609 | |
| 1610 | } |
| 1611 | if (ret == 0) { |
| 1612 | bus->tx_seq = |
| 1613 | (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; |
| 1614 | } |
| 1615 | } while ((ret < 0) && retries++ < TXRETRIES); |
| 1616 | } |
| 1617 | |
| 1618 | if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1619 | bus->activity = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1620 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1621 | } |
| 1622 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1623 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1624 | |
| 1625 | if (ret) |
| 1626 | bus->dhd->tx_ctlerrs++; |
| 1627 | else |
| 1628 | bus->dhd->tx_ctlpkts++; |
| 1629 | |
| 1630 | return ret ? -EIO : 0; |
| 1631 | } |
| 1632 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1633 | int brcmf_sdbrcm_bus_rxctl(struct dhd_bus *bus, unsigned char *msg, uint msglen) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1634 | { |
| 1635 | int timeleft; |
| 1636 | uint rxlen = 0; |
| 1637 | bool pending; |
| 1638 | |
| 1639 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 1640 | |
| 1641 | if (bus->dhd->dongle_reset) |
| 1642 | return -EIO; |
| 1643 | |
| 1644 | /* Wait until control frame is available */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 1645 | timeleft = brcmf_os_ioctl_resp_wait(bus->dhd, &bus->rxlen, &pending); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1646 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1647 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1648 | rxlen = bus->rxlen; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 1649 | memcpy(msg, bus->rxctl, min(msglen, rxlen)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1650 | bus->rxlen = 0; |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1651 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1652 | |
| 1653 | if (rxlen) { |
| 1654 | DHD_CTL(("%s: resumed on rxctl frame, got %d expected %d\n", |
| 1655 | __func__, rxlen, msglen)); |
| 1656 | } else if (timeleft == 0) { |
| 1657 | DHD_ERROR(("%s: resumed on timeout\n", __func__)); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1658 | #ifdef BCMDBG |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1659 | brcmf_sdbrcm_sdlock(bus); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1660 | brcmf_sdbrcm_checkdied(bus, NULL, 0); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1661 | brcmf_sdbrcm_sdunlock(bus); |
| 1662 | #endif /* DHD_DEBUG */ |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 1663 | } else if (pending == true) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1664 | DHD_CTL(("%s: cancelled\n", __func__)); |
| 1665 | return -ERESTARTSYS; |
| 1666 | } else { |
| 1667 | DHD_CTL(("%s: resumed for unknown reason?\n", __func__)); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1668 | #ifdef BCMDBG |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1669 | brcmf_sdbrcm_sdlock(bus); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1670 | brcmf_sdbrcm_checkdied(bus, NULL, 0); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 1671 | brcmf_sdbrcm_sdunlock(bus); |
| 1672 | #endif /* DHD_DEBUG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1673 | } |
| 1674 | |
| 1675 | if (rxlen) |
| 1676 | bus->dhd->rx_ctlpkts++; |
| 1677 | else |
| 1678 | bus->dhd->rx_ctlerrs++; |
| 1679 | |
Jason Cooper | e9887c9 | 2010-10-06 10:08:02 -0400 | [diff] [blame] | 1680 | return rxlen ? (int)rxlen : -ETIMEDOUT; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1681 | } |
| 1682 | |
| 1683 | /* IOVar table */ |
| 1684 | enum { |
| 1685 | IOV_INTR = 1, |
| 1686 | IOV_POLLRATE, |
| 1687 | IOV_SDREG, |
| 1688 | IOV_SBREG, |
| 1689 | IOV_SDCIS, |
| 1690 | IOV_MEMBYTES, |
| 1691 | IOV_MEMSIZE, |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1692 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1693 | IOV_CHECKDIED, |
Franky Lin | 913af5f | 2011-06-29 16:47:44 -0700 | [diff] [blame] | 1694 | IOV_CONS, |
| 1695 | IOV_DCONSOLE_POLL, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1696 | #endif |
| 1697 | IOV_DOWNLOAD, |
| 1698 | IOV_FORCEEVEN, |
| 1699 | IOV_SDIOD_DRIVE, |
| 1700 | IOV_READAHEAD, |
| 1701 | IOV_SDRXCHAIN, |
| 1702 | IOV_ALIGNCTL, |
| 1703 | IOV_SDALIGN, |
| 1704 | IOV_DEVRESET, |
| 1705 | IOV_CPU, |
| 1706 | #ifdef SDTEST |
| 1707 | IOV_PKTGEN, |
| 1708 | IOV_EXTLOOP, |
| 1709 | #endif /* SDTEST */ |
| 1710 | IOV_SPROM, |
| 1711 | IOV_TXBOUND, |
| 1712 | IOV_RXBOUND, |
| 1713 | IOV_TXMINMAX, |
| 1714 | IOV_IDLETIME, |
| 1715 | IOV_IDLECLOCK, |
| 1716 | IOV_SD1IDLE, |
| 1717 | IOV_SLEEP, |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 1718 | IOV_WDTICK, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1719 | IOV_VARS |
| 1720 | }; |
| 1721 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1722 | const struct brcmu_iovar dhdsdio_iovars[] = { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1723 | {"intr", IOV_INTR, 0, IOVT_BOOL, 0}, |
| 1724 | {"sleep", IOV_SLEEP, 0, IOVT_BOOL, 0}, |
| 1725 | {"pollrate", IOV_POLLRATE, 0, IOVT_UINT32, 0}, |
| 1726 | {"idletime", IOV_IDLETIME, 0, IOVT_INT32, 0}, |
| 1727 | {"idleclock", IOV_IDLECLOCK, 0, IOVT_INT32, 0}, |
| 1728 | {"sd1idle", IOV_SD1IDLE, 0, IOVT_BOOL, 0}, |
| 1729 | {"membytes", IOV_MEMBYTES, 0, IOVT_BUFFER, 2 * sizeof(int)}, |
| 1730 | {"memsize", IOV_MEMSIZE, 0, IOVT_UINT32, 0}, |
| 1731 | {"download", IOV_DOWNLOAD, 0, IOVT_BOOL, 0}, |
| 1732 | {"vars", IOV_VARS, 0, IOVT_BUFFER, 0}, |
| 1733 | {"sdiod_drive", IOV_SDIOD_DRIVE, 0, IOVT_UINT32, 0}, |
| 1734 | {"readahead", IOV_READAHEAD, 0, IOVT_BOOL, 0}, |
| 1735 | {"sdrxchain", IOV_SDRXCHAIN, 0, IOVT_BOOL, 0}, |
| 1736 | {"alignctl", IOV_ALIGNCTL, 0, IOVT_BOOL, 0}, |
| 1737 | {"sdalign", IOV_SDALIGN, 0, IOVT_BOOL, 0}, |
| 1738 | {"devreset", IOV_DEVRESET, 0, IOVT_BOOL, 0}, |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 1739 | {"wdtick", IOV_WDTICK, 0, IOVT_UINT32, 0}, |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1740 | #ifdef BCMDBG |
Franky Lin | 913af5f | 2011-06-29 16:47:44 -0700 | [diff] [blame] | 1741 | {"cons", IOV_CONS, 0, IOVT_BUFFER, 0} |
| 1742 | , |
| 1743 | {"dconpoll", IOV_DCONSOLE_POLL, 0, IOVT_UINT32, 0} |
| 1744 | , |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 1745 | {"sdreg", IOV_SDREG, 0, IOVT_BUFFER, sizeof(struct brcmf_sdreg)} |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1746 | , |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 1747 | {"sbreg", IOV_SBREG, 0, IOVT_BUFFER, sizeof(struct brcmf_sdreg)} |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1748 | , |
| 1749 | {"sd_cis", IOV_SDCIS, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN} |
| 1750 | , |
| 1751 | {"forcealign", IOV_FORCEEVEN, 0, IOVT_BOOL, 0} |
| 1752 | , |
| 1753 | {"txbound", IOV_TXBOUND, 0, IOVT_UINT32, 0} |
| 1754 | , |
| 1755 | {"rxbound", IOV_RXBOUND, 0, IOVT_UINT32, 0} |
| 1756 | , |
| 1757 | {"txminmax", IOV_TXMINMAX, 0, IOVT_UINT32, 0} |
| 1758 | , |
| 1759 | {"cpu", IOV_CPU, 0, IOVT_BOOL, 0} |
| 1760 | , |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1761 | {"checkdied", IOV_CHECKDIED, 0, IOVT_BUFFER, 0} |
| 1762 | , |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1763 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1764 | #ifdef SDTEST |
| 1765 | {"extloop", IOV_EXTLOOP, 0, IOVT_BOOL, 0} |
| 1766 | , |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 1767 | {"pktgen", IOV_PKTGEN, 0, IOVT_BUFFER, sizeof(brcmf_pktgen_t)} |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1768 | , |
| 1769 | #endif /* SDTEST */ |
| 1770 | |
| 1771 | {NULL, 0, 0, 0, 0} |
| 1772 | }; |
| 1773 | |
| 1774 | static void |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1775 | dhd_dump_pct(struct brcmu_strbuf *strbuf, char *desc, uint num, uint div) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1776 | { |
| 1777 | uint q1, q2; |
| 1778 | |
| 1779 | if (!div) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1780 | brcmu_bprintf(strbuf, "%s N/A", desc); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1781 | } else { |
| 1782 | q1 = num / div; |
| 1783 | q2 = (100 * (num - (q1 * div))) / div; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1784 | brcmu_bprintf(strbuf, "%s %d.%02d", desc, q1, q2); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1785 | } |
| 1786 | } |
| 1787 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1788 | void brcmf_sdbrcm_bus_dump(dhd_pub_t *dhdp, struct brcmu_strbuf *strbuf) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1789 | { |
| 1790 | dhd_bus_t *bus = dhdp->bus; |
| 1791 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1792 | brcmu_bprintf(strbuf, "Bus SDIO structure:\n"); |
| 1793 | brcmu_bprintf(strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1794 | "hostintmask 0x%08x intstatus 0x%08x sdpcm_ver %d\n", |
| 1795 | bus->hostintmask, bus->intstatus, bus->sdpcm_ver); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1796 | brcmu_bprintf(strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1797 | "fcstate %d qlen %d tx_seq %d, max %d, rxskip %d rxlen %d rx_seq %d\n", |
| 1798 | bus->fcstate, pktq_len(&bus->txq), bus->tx_seq, bus->tx_max, |
| 1799 | bus->rxskip, bus->rxlen, bus->rx_seq); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1800 | brcmu_bprintf(strbuf, "intr %d intrcount %d lastintrs %d spurious %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1801 | bus->intr, bus->intrcount, bus->lastintrs, bus->spurious); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1802 | brcmu_bprintf(strbuf, "pollrate %d pollcnt %d regfails %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1803 | bus->pollrate, bus->pollcnt, bus->regfails); |
| 1804 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1805 | brcmu_bprintf(strbuf, "\nAdditional counters:\n"); |
| 1806 | brcmu_bprintf(strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1807 | "tx_sderrs %d fcqueued %d rxrtx %d rx_toolong %d rxc_errors %d\n", |
| 1808 | bus->tx_sderrs, bus->fcqueued, bus->rxrtx, bus->rx_toolong, |
| 1809 | bus->rxc_errors); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1810 | brcmu_bprintf(strbuf, "rx_hdrfail %d badhdr %d badseq %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1811 | bus->rx_hdrfail, bus->rx_badhdr, bus->rx_badseq); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1812 | brcmu_bprintf(strbuf, "fc_rcvd %d, fc_xoff %d, fc_xon %d\n", |
| 1813 | bus->fc_rcvd, bus->fc_xoff, bus->fc_xon); |
| 1814 | brcmu_bprintf(strbuf, "rxglomfail %d, rxglomframes %d, rxglompkts %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1815 | bus->rxglomfail, bus->rxglomframes, bus->rxglompkts); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1816 | brcmu_bprintf(strbuf, "f2rx (hdrs/data) %d (%d/%d), f2tx %d f1regs" |
| 1817 | " %d\n", |
| 1818 | (bus->f2rxhdrs + bus->f2rxdata), bus->f2rxhdrs, |
| 1819 | bus->f2rxdata, bus->f2txdata, bus->f1regdata); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1820 | { |
| 1821 | dhd_dump_pct(strbuf, "\nRx: pkts/f2rd", bus->dhd->rx_packets, |
| 1822 | (bus->f2rxhdrs + bus->f2rxdata)); |
| 1823 | dhd_dump_pct(strbuf, ", pkts/f1sd", bus->dhd->rx_packets, |
| 1824 | bus->f1regdata); |
| 1825 | dhd_dump_pct(strbuf, ", pkts/sd", bus->dhd->rx_packets, |
| 1826 | (bus->f2rxhdrs + bus->f2rxdata + bus->f1regdata)); |
| 1827 | dhd_dump_pct(strbuf, ", pkts/int", bus->dhd->rx_packets, |
| 1828 | bus->intrcount); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1829 | brcmu_bprintf(strbuf, "\n"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1830 | |
| 1831 | dhd_dump_pct(strbuf, "Rx: glom pct", (100 * bus->rxglompkts), |
| 1832 | bus->dhd->rx_packets); |
| 1833 | dhd_dump_pct(strbuf, ", pkts/glom", bus->rxglompkts, |
| 1834 | bus->rxglomframes); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1835 | brcmu_bprintf(strbuf, "\n"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1836 | |
| 1837 | dhd_dump_pct(strbuf, "Tx: pkts/f2wr", bus->dhd->tx_packets, |
| 1838 | bus->f2txdata); |
| 1839 | dhd_dump_pct(strbuf, ", pkts/f1sd", bus->dhd->tx_packets, |
| 1840 | bus->f1regdata); |
| 1841 | dhd_dump_pct(strbuf, ", pkts/sd", bus->dhd->tx_packets, |
| 1842 | (bus->f2txdata + bus->f1regdata)); |
| 1843 | dhd_dump_pct(strbuf, ", pkts/int", bus->dhd->tx_packets, |
| 1844 | bus->intrcount); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1845 | brcmu_bprintf(strbuf, "\n"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1846 | |
| 1847 | dhd_dump_pct(strbuf, "Total: pkts/f2rw", |
| 1848 | (bus->dhd->tx_packets + bus->dhd->rx_packets), |
| 1849 | (bus->f2txdata + bus->f2rxhdrs + bus->f2rxdata)); |
| 1850 | dhd_dump_pct(strbuf, ", pkts/f1sd", |
| 1851 | (bus->dhd->tx_packets + bus->dhd->rx_packets), |
| 1852 | bus->f1regdata); |
| 1853 | dhd_dump_pct(strbuf, ", pkts/sd", |
| 1854 | (bus->dhd->tx_packets + bus->dhd->rx_packets), |
| 1855 | (bus->f2txdata + bus->f2rxhdrs + bus->f2rxdata + |
| 1856 | bus->f1regdata)); |
| 1857 | dhd_dump_pct(strbuf, ", pkts/int", |
| 1858 | (bus->dhd->tx_packets + bus->dhd->rx_packets), |
| 1859 | bus->intrcount); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1860 | brcmu_bprintf(strbuf, "\n\n"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1861 | } |
| 1862 | |
| 1863 | #ifdef SDTEST |
| 1864 | if (bus->pktgen_count) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1865 | brcmu_bprintf(strbuf, "pktgen config and count:\n"); |
| 1866 | brcmu_bprintf(strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1867 | "freq %d count %d print %d total %d min %d len %d\n", |
| 1868 | bus->pktgen_freq, bus->pktgen_count, |
| 1869 | bus->pktgen_print, bus->pktgen_total, |
| 1870 | bus->pktgen_minlen, bus->pktgen_maxlen); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1871 | brcmu_bprintf(strbuf, "send attempts %d rcvd %d fail %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1872 | bus->pktgen_sent, bus->pktgen_rcvd, |
| 1873 | bus->pktgen_fail); |
| 1874 | } |
| 1875 | #endif /* SDTEST */ |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1876 | #ifdef BCMDBG |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1877 | brcmu_bprintf(strbuf, "dpc_sched %d host interrupt%spending\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1878 | bus->dpc_sched, |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1879 | (brcmf_sdcard_intr_pending(bus->sdh) ? " " : " not ")); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1880 | brcmu_bprintf(strbuf, "blocksize %d roundup %d\n", bus->blocksize, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1881 | bus->roundup); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 1882 | #endif /* BCMDBG */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 1883 | brcmu_bprintf(strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1884 | "clkstate %d activity %d idletime %d idlecount %d sleeping %d\n", |
| 1885 | bus->clkstate, bus->activity, bus->idletime, bus->idlecount, |
| 1886 | bus->sleeping); |
| 1887 | } |
| 1888 | |
| 1889 | void dhd_bus_clearcounts(dhd_pub_t *dhdp) |
| 1890 | { |
| 1891 | dhd_bus_t *bus = (dhd_bus_t *) dhdp->bus; |
| 1892 | |
| 1893 | bus->intrcount = bus->lastintrs = bus->spurious = bus->regfails = 0; |
| 1894 | bus->rxrtx = bus->rx_toolong = bus->rxc_errors = 0; |
| 1895 | bus->rx_hdrfail = bus->rx_badhdr = bus->rx_badseq = 0; |
| 1896 | bus->tx_sderrs = bus->fc_rcvd = bus->fc_xoff = bus->fc_xon = 0; |
| 1897 | bus->rxglomfail = bus->rxglomframes = bus->rxglompkts = 0; |
| 1898 | bus->f2rxhdrs = bus->f2rxdata = bus->f2txdata = bus->f1regdata = 0; |
| 1899 | } |
| 1900 | |
| 1901 | #ifdef SDTEST |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1902 | static int brcmf_sdbrcm_pktgen_get(dhd_bus_t *bus, u8 *arg) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1903 | { |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 1904 | brcmf_pktgen_t pktgen; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1905 | |
| 1906 | pktgen.version = DHD_PKTGEN_VERSION; |
| 1907 | pktgen.freq = bus->pktgen_freq; |
| 1908 | pktgen.count = bus->pktgen_count; |
| 1909 | pktgen.print = bus->pktgen_print; |
| 1910 | pktgen.total = bus->pktgen_total; |
| 1911 | pktgen.minlen = bus->pktgen_minlen; |
| 1912 | pktgen.maxlen = bus->pktgen_maxlen; |
| 1913 | pktgen.numsent = bus->pktgen_sent; |
| 1914 | pktgen.numrcvd = bus->pktgen_rcvd; |
| 1915 | pktgen.numfail = bus->pktgen_fail; |
| 1916 | pktgen.mode = bus->pktgen_mode; |
| 1917 | pktgen.stop = bus->pktgen_stop; |
| 1918 | |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 1919 | memcpy(arg, &pktgen, sizeof(pktgen)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1920 | |
| 1921 | return 0; |
| 1922 | } |
| 1923 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1924 | static int brcmf_sdbrcm_pktgen_set(dhd_bus_t *bus, u8 *arg) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1925 | { |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 1926 | brcmf_pktgen_t pktgen; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1927 | uint oldcnt, oldmode; |
| 1928 | |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 1929 | memcpy(&pktgen, arg, sizeof(pktgen)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1930 | if (pktgen.version != DHD_PKTGEN_VERSION) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 1931 | return -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1932 | |
| 1933 | oldcnt = bus->pktgen_count; |
| 1934 | oldmode = bus->pktgen_mode; |
| 1935 | |
| 1936 | bus->pktgen_freq = pktgen.freq; |
| 1937 | bus->pktgen_count = pktgen.count; |
| 1938 | bus->pktgen_print = pktgen.print; |
| 1939 | bus->pktgen_total = pktgen.total; |
| 1940 | bus->pktgen_minlen = pktgen.minlen; |
| 1941 | bus->pktgen_maxlen = pktgen.maxlen; |
| 1942 | bus->pktgen_mode = pktgen.mode; |
| 1943 | bus->pktgen_stop = pktgen.stop; |
| 1944 | |
| 1945 | bus->pktgen_tick = bus->pktgen_ptick = 0; |
Greg Kroah-Hartman | 3ea2f4d | 2010-10-08 11:39:43 -0700 | [diff] [blame] | 1946 | bus->pktgen_len = max(bus->pktgen_len, bus->pktgen_minlen); |
Greg Kroah-Hartman | 7068c2f | 2010-10-08 11:34:59 -0700 | [diff] [blame] | 1947 | bus->pktgen_len = min(bus->pktgen_len, bus->pktgen_maxlen); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1948 | |
| 1949 | /* Clear counts for a new pktgen (mode change, or was stopped) */ |
| 1950 | if (bus->pktgen_count && (!oldcnt || oldmode != bus->pktgen_mode)) |
| 1951 | bus->pktgen_sent = bus->pktgen_rcvd = bus->pktgen_fail = 0; |
| 1952 | |
| 1953 | return 0; |
| 1954 | } |
| 1955 | #endif /* SDTEST */ |
| 1956 | |
| 1957 | static int |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1958 | brcmf_sdbrcm_membytes(dhd_bus_t *bus, bool write, u32 address, u8 *data, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1959 | uint size) |
| 1960 | { |
| 1961 | int bcmerror = 0; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1962 | u32 sdaddr; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1963 | uint dsize; |
| 1964 | |
| 1965 | /* Determine initial transfer parameters */ |
| 1966 | sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; |
| 1967 | if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) |
| 1968 | dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); |
| 1969 | else |
| 1970 | dsize = size; |
| 1971 | |
| 1972 | /* Set the backplane window to include the start address */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1973 | bcmerror = brcmf_sdbrcm_set_siaddr_window(bus, address); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1974 | if (bcmerror) { |
| 1975 | DHD_ERROR(("%s: window change failed\n", __func__)); |
| 1976 | goto xfer_done; |
| 1977 | } |
| 1978 | |
| 1979 | /* Do the transfer(s) */ |
| 1980 | while (size) { |
| 1981 | DHD_INFO(("%s: %s %d bytes at offset 0x%08x in window 0x%08x\n", |
| 1982 | __func__, (write ? "write" : "read"), dsize, |
| 1983 | sdaddr, (address & SBSDIO_SBWINDOW_MASK))); |
| 1984 | bcmerror = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1985 | brcmf_sdcard_rwdata(bus->sdh, write, sdaddr, data, dsize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1986 | if (bcmerror) { |
| 1987 | DHD_ERROR(("%s: membytes transfer failed\n", __func__)); |
| 1988 | break; |
| 1989 | } |
| 1990 | |
| 1991 | /* Adjust for next transfer (if any) */ |
| 1992 | size -= dsize; |
| 1993 | if (size) { |
| 1994 | data += dsize; |
| 1995 | address += dsize; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 1996 | bcmerror = brcmf_sdbrcm_set_siaddr_window(bus, address); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1997 | if (bcmerror) { |
| 1998 | DHD_ERROR(("%s: window change failed\n", |
| 1999 | __func__)); |
| 2000 | break; |
| 2001 | } |
| 2002 | sdaddr = 0; |
Greg Kroah-Hartman | b61640d | 2010-10-08 12:37:39 -0700 | [diff] [blame] | 2003 | dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2004 | } |
| 2005 | } |
| 2006 | |
| 2007 | xfer_done: |
| 2008 | /* Return the window to backplane enumeration space for core access */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2009 | if (brcmf_sdbrcm_set_siaddr_window(bus, |
| 2010 | brcmf_sdcard_cur_sbwad(bus->sdh))) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2011 | DHD_ERROR(("%s: FAILED to set window back to 0x%x\n", |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2012 | __func__, brcmf_sdcard_cur_sbwad(bus->sdh))); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2013 | } |
| 2014 | |
| 2015 | return bcmerror; |
| 2016 | } |
| 2017 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2018 | #ifdef BCMDBG |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2019 | static int brcmf_sdbrcm_readshared(dhd_bus_t *bus, struct sdpcm_shared *sh) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2020 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2021 | u32 addr; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2022 | int rv; |
| 2023 | |
| 2024 | /* Read last word in memory to determine address of |
| 2025 | sdpcm_shared structure */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2026 | rv = brcmf_sdbrcm_membytes(bus, false, bus->ramsize - 4, (u8 *)&addr, |
| 2027 | 4); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2028 | if (rv < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2029 | return rv; |
| 2030 | |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 2031 | addr = le32_to_cpu(addr); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2032 | |
| 2033 | DHD_INFO(("sdpcm_shared address 0x%08X\n", addr)); |
| 2034 | |
| 2035 | /* |
| 2036 | * Check if addr is valid. |
| 2037 | * NVRAM length at the end of memory should have been overwritten. |
| 2038 | */ |
| 2039 | if (addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)) { |
| 2040 | DHD_ERROR(("%s: address (0x%08x) of sdpcm_shared invalid\n", |
| 2041 | __func__, addr)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2042 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2043 | } |
| 2044 | |
Roland Vossen | 70963f9 | 2011-06-01 13:45:08 +0200 | [diff] [blame] | 2045 | /* Read rte_shared structure */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2046 | rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *) sh, |
Franky Lin | b49b14d | 2011-06-01 13:45:37 +0200 | [diff] [blame] | 2047 | sizeof(struct sdpcm_shared)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2048 | if (rv < 0) |
| 2049 | return rv; |
| 2050 | |
| 2051 | /* Endianness */ |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 2052 | sh->flags = le32_to_cpu(sh->flags); |
| 2053 | sh->trap_addr = le32_to_cpu(sh->trap_addr); |
| 2054 | sh->assert_exp_addr = le32_to_cpu(sh->assert_exp_addr); |
| 2055 | sh->assert_file_addr = le32_to_cpu(sh->assert_file_addr); |
| 2056 | sh->assert_line = le32_to_cpu(sh->assert_line); |
| 2057 | sh->console_addr = le32_to_cpu(sh->console_addr); |
| 2058 | sh->msgtrace_addr = le32_to_cpu(sh->msgtrace_addr); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2059 | |
| 2060 | if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) { |
| 2061 | DHD_ERROR(("%s: sdpcm_shared version %d in dhd " |
| 2062 | "is different than sdpcm_shared version %d in dongle\n", |
| 2063 | __func__, SDPCM_SHARED_VERSION, |
| 2064 | sh->flags & SDPCM_SHARED_VERSION_MASK)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2065 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2066 | } |
| 2067 | |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 2068 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2069 | } |
| 2070 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2071 | static int brcmf_sdbrcm_checkdied(dhd_bus_t *bus, u8 *data, uint size) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2072 | { |
| 2073 | int bcmerror = 0; |
| 2074 | uint msize = 512; |
| 2075 | char *mbuffer = NULL; |
| 2076 | uint maxstrlen = 256; |
| 2077 | char *str = NULL; |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2078 | struct brcmf_trap tr; |
Franky Lin | b49b14d | 2011-06-01 13:45:37 +0200 | [diff] [blame] | 2079 | struct sdpcm_shared sdpcm_shared; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2080 | struct brcmu_strbuf strbuf; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2081 | |
| 2082 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 2083 | |
| 2084 | if (data == NULL) { |
| 2085 | /* |
| 2086 | * Called after a rx ctrl timeout. "data" is NULL. |
| 2087 | * allocate memory to trace the trap or assert. |
| 2088 | */ |
| 2089 | size = msize; |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2090 | mbuffer = data = kmalloc(msize, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2091 | if (mbuffer == NULL) { |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2092 | DHD_ERROR(("%s: kmalloc(%d) failed\n", __func__, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2093 | msize)); |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2094 | bcmerror = -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2095 | goto done; |
| 2096 | } |
| 2097 | } |
| 2098 | |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2099 | str = kmalloc(maxstrlen, GFP_ATOMIC); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2100 | if (str == NULL) { |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2101 | DHD_ERROR(("%s: kmalloc(%d) failed\n", __func__, maxstrlen)); |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2102 | bcmerror = -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2103 | goto done; |
| 2104 | } |
| 2105 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2106 | bcmerror = brcmf_sdbrcm_readshared(bus, &sdpcm_shared); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2107 | if (bcmerror < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2108 | goto done; |
| 2109 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2110 | brcmu_binit(&strbuf, data, size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2111 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2112 | brcmu_bprintf(&strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2113 | "msgtrace address : 0x%08X\nconsole address : 0x%08X\n", |
| 2114 | sdpcm_shared.msgtrace_addr, sdpcm_shared.console_addr); |
| 2115 | |
| 2116 | if ((sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) == 0) { |
| 2117 | /* NOTE: Misspelled assert is intentional - DO NOT FIX. |
| 2118 | * (Avoids conflict with real asserts for programmatic |
| 2119 | * parsing of output.) |
| 2120 | */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2121 | brcmu_bprintf(&strbuf, "Assrt not built in dongle\n"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2122 | } |
| 2123 | |
| 2124 | if ((sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) == |
| 2125 | 0) { |
| 2126 | /* NOTE: Misspelled assert is intentional - DO NOT FIX. |
| 2127 | * (Avoids conflict with real asserts for programmatic |
| 2128 | * parsing of output.) |
| 2129 | */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2130 | brcmu_bprintf(&strbuf, "No trap%s in dongle", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2131 | (sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) |
| 2132 | ? "/assrt" : ""); |
| 2133 | } else { |
| 2134 | if (sdpcm_shared.flags & SDPCM_SHARED_ASSERT) { |
| 2135 | /* Download assert */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2136 | brcmu_bprintf(&strbuf, "Dongle assert"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2137 | if (sdpcm_shared.assert_exp_addr != 0) { |
| 2138 | str[0] = '\0'; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2139 | bcmerror = brcmf_sdbrcm_membytes(bus, false, |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2140 | sdpcm_shared.assert_exp_addr, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2141 | (u8 *) str, maxstrlen); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2142 | if (bcmerror < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2143 | goto done; |
| 2144 | |
| 2145 | str[maxstrlen - 1] = '\0'; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2146 | brcmu_bprintf(&strbuf, " expr \"%s\"", str); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2147 | } |
| 2148 | |
| 2149 | if (sdpcm_shared.assert_file_addr != 0) { |
| 2150 | str[0] = '\0'; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2151 | bcmerror = brcmf_sdbrcm_membytes(bus, false, |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2152 | sdpcm_shared.assert_file_addr, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2153 | (u8 *) str, maxstrlen); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2154 | if (bcmerror < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2155 | goto done; |
| 2156 | |
| 2157 | str[maxstrlen - 1] = '\0'; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2158 | brcmu_bprintf(&strbuf, " file \"%s\"", str); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2159 | } |
| 2160 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2161 | brcmu_bprintf(&strbuf, " line %d ", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2162 | sdpcm_shared.assert_line); |
| 2163 | } |
| 2164 | |
| 2165 | if (sdpcm_shared.flags & SDPCM_SHARED_TRAP) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2166 | bcmerror = brcmf_sdbrcm_membytes(bus, false, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2167 | sdpcm_shared.trap_addr, (u8 *)&tr, |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2168 | sizeof(struct brcmf_trap)); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2169 | if (bcmerror < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2170 | goto done; |
| 2171 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2172 | brcmu_bprintf(&strbuf, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2173 | "Dongle trap type 0x%x @ epc 0x%x, cpsr 0x%x, spsr 0x%x, sp 0x%x," |
| 2174 | "lp 0x%x, rpc 0x%x Trap offset 0x%x, " |
| 2175 | "r0 0x%x, r1 0x%x, r2 0x%x, r3 0x%x, r4 0x%x, r5 0x%x, r6 0x%x, r7 0x%x\n", |
| 2176 | tr.type, tr.epc, tr.cpsr, tr.spsr, tr.r13, |
| 2177 | tr.r14, tr.pc, sdpcm_shared.trap_addr, |
| 2178 | tr.r0, tr.r1, tr.r2, tr.r3, tr.r4, tr.r5, |
| 2179 | tr.r6, tr.r7); |
| 2180 | } |
| 2181 | } |
| 2182 | |
| 2183 | if (sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) |
| 2184 | DHD_ERROR(("%s: %s\n", __func__, strbuf.origbuf)); |
| 2185 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2186 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2187 | if (sdpcm_shared.flags & SDPCM_SHARED_TRAP) { |
| 2188 | /* Mem dump to a file on device */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2189 | brcmf_sdbrcm_mem_dump(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2190 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2191 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2192 | |
| 2193 | done: |
Ilia Mirkin | 46d994b | 2011-03-13 00:28:56 -0500 | [diff] [blame] | 2194 | kfree(mbuffer); |
| 2195 | kfree(str); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2196 | |
| 2197 | return bcmerror; |
| 2198 | } |
| 2199 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2200 | static int brcmf_sdbrcm_mem_dump(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2201 | { |
| 2202 | int ret = 0; |
| 2203 | int size; /* Full mem size */ |
| 2204 | int start = 0; /* Start address */ |
| 2205 | int read_size = 0; /* Read size of each iteration */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2206 | u8 *buf = NULL, *databuf = NULL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2207 | |
| 2208 | /* Get full mem size */ |
| 2209 | size = bus->ramsize; |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2210 | buf = kmalloc(size, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2211 | if (!buf) { |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2212 | DHD_ERROR(("%s: Out of memory (%d bytes)\n", __func__, size)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2213 | return -1; |
| 2214 | } |
| 2215 | |
| 2216 | /* Read mem content */ |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2217 | printk(KERN_DEBUG "Dump dongle memory"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2218 | databuf = buf; |
| 2219 | while (size) { |
Greg Kroah-Hartman | 7068c2f | 2010-10-08 11:34:59 -0700 | [diff] [blame] | 2220 | read_size = min(MEMBLOCK, size); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2221 | ret = brcmf_sdbrcm_membytes(bus, false, start, databuf, |
| 2222 | read_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2223 | if (ret) { |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2224 | DHD_ERROR(("%s: Error membytes %d\n", __func__, ret)); |
Ilia Mirkin | 46d994b | 2011-03-13 00:28:56 -0500 | [diff] [blame] | 2225 | kfree(buf); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2226 | return -1; |
| 2227 | } |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2228 | printk("."); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2229 | |
| 2230 | /* Decrement size and increment start address */ |
| 2231 | size -= read_size; |
| 2232 | start += read_size; |
| 2233 | databuf += read_size; |
| 2234 | } |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2235 | printk(KERN_DEBUG "Done\n"); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2236 | |
| 2237 | /* free buf before return !!! */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 2238 | if (brcmf_write_to_file(bus->dhd, buf, bus->ramsize)) { |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2239 | DHD_ERROR(("%s: Error writing to files\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2240 | return -1; |
| 2241 | } |
| 2242 | |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 2243 | /* buf free handled in brcmf_write_to_file, not here */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2244 | return 0; |
| 2245 | } |
| 2246 | |
| 2247 | #define CONSOLE_LINE_MAX 192 |
| 2248 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2249 | static int brcmf_sdbrcm_readconsole(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2250 | { |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2251 | struct dhd_console *c = &bus->console; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2252 | u8 line[CONSOLE_LINE_MAX], ch; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2253 | u32 n, idx, addr; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2254 | int rv; |
| 2255 | |
| 2256 | /* Don't do anything until FWREADY updates console address */ |
| 2257 | if (bus->console_addr == 0) |
| 2258 | return 0; |
| 2259 | |
| 2260 | /* Read console log struct */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2261 | addr = bus->console_addr + offsetof(struct rte_console, log); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2262 | rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&c->log, |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2263 | sizeof(c->log)); |
| 2264 | if (rv < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2265 | return rv; |
| 2266 | |
| 2267 | /* Allocate console buffer (one time only) */ |
| 2268 | if (c->buf == NULL) { |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 2269 | c->bufsize = le32_to_cpu(c->log.buf_size); |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2270 | c->buf = kmalloc(c->bufsize, GFP_ATOMIC); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 2271 | if (c->buf == NULL) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2272 | return -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2273 | } |
| 2274 | |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 2275 | idx = le32_to_cpu(c->log.idx); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2276 | |
| 2277 | /* Protect against corrupt value */ |
| 2278 | if (idx > c->bufsize) |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2279 | return -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2280 | |
| 2281 | /* Skip reading the console buffer if the index pointer |
| 2282 | has not moved */ |
| 2283 | if (idx == c->last) |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 2284 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2285 | |
| 2286 | /* Read the console buffer */ |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 2287 | addr = le32_to_cpu(c->log.buf); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2288 | rv = brcmf_sdbrcm_membytes(bus, false, addr, c->buf, c->bufsize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2289 | if (rv < 0) |
| 2290 | return rv; |
| 2291 | |
| 2292 | while (c->last != idx) { |
| 2293 | for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) { |
| 2294 | if (c->last == idx) { |
| 2295 | /* This would output a partial line. |
| 2296 | * Instead, back up |
| 2297 | * the buffer pointer and output this |
| 2298 | * line next time around. |
| 2299 | */ |
| 2300 | if (c->last >= n) |
| 2301 | c->last -= n; |
| 2302 | else |
| 2303 | c->last = c->bufsize - n; |
| 2304 | goto break2; |
| 2305 | } |
| 2306 | ch = c->buf[c->last]; |
| 2307 | c->last = (c->last + 1) % c->bufsize; |
| 2308 | if (ch == '\n') |
| 2309 | break; |
| 2310 | line[n] = ch; |
| 2311 | } |
| 2312 | |
| 2313 | if (n > 0) { |
| 2314 | if (line[n - 1] == '\r') |
| 2315 | n--; |
| 2316 | line[n] = 0; |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 2317 | printk(KERN_DEBUG "CONSOLE: %s\n", line); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2318 | } |
| 2319 | } |
| 2320 | break2: |
| 2321 | |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 2322 | return 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2323 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2324 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2325 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2326 | int brcmf_sdbrcm_downloadvars(dhd_bus_t *bus, void *arg, int len) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2327 | { |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 2328 | int bcmerror = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2329 | |
| 2330 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 2331 | |
| 2332 | /* Basic sanity checks */ |
| 2333 | if (bus->dhd->up) { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2334 | bcmerror = -EISCONN; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2335 | goto err; |
| 2336 | } |
| 2337 | if (!len) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2338 | bcmerror = -EOVERFLOW; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2339 | goto err; |
| 2340 | } |
| 2341 | |
| 2342 | /* Free the old ones and replace with passed variables */ |
Ilia Mirkin | 46d994b | 2011-03-13 00:28:56 -0500 | [diff] [blame] | 2343 | kfree(bus->vars); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2344 | |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2345 | bus->vars = kmalloc(len, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2346 | bus->varsz = bus->vars ? len : 0; |
| 2347 | if (bus->vars == NULL) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2348 | bcmerror = -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2349 | goto err; |
| 2350 | } |
| 2351 | |
| 2352 | /* Copy the passed variables, which should include the |
| 2353 | terminating double-null */ |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2354 | memcpy(bus->vars, arg, bus->varsz); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2355 | err: |
| 2356 | return bcmerror; |
| 2357 | } |
| 2358 | |
| 2359 | static int |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2360 | brcmf_sdbrcm_doiovar(dhd_bus_t *bus, const struct brcmu_iovar *vi, u32 actionid, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2361 | const char *name, void *params, int plen, void *arg, int len, |
| 2362 | int val_size) |
| 2363 | { |
| 2364 | int bcmerror = 0; |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2365 | s32 int_val = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2366 | bool bool_val = 0; |
| 2367 | |
| 2368 | DHD_TRACE(("%s: Enter, action %d name %s params %p plen %d arg %p " |
| 2369 | "len %d val_size %d\n", |
| 2370 | __func__, actionid, name, params, plen, arg, len, val_size)); |
| 2371 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2372 | bcmerror = brcmu_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2373 | if (bcmerror != 0) |
| 2374 | goto exit; |
| 2375 | |
| 2376 | if (plen >= (int)sizeof(int_val)) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2377 | memcpy(&int_val, params, sizeof(int_val)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2378 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 2379 | bool_val = (int_val != 0) ? true : false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2380 | |
| 2381 | /* Some ioctls use the bus */ |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 2382 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2383 | |
| 2384 | /* Check if dongle is in reset. If so, only allow DEVRESET iovars */ |
| 2385 | if (bus->dhd->dongle_reset && !(actionid == IOV_SVAL(IOV_DEVRESET) || |
| 2386 | actionid == IOV_GVAL(IOV_DEVRESET))) { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2387 | bcmerror = -EPERM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2388 | goto exit; |
| 2389 | } |
| 2390 | |
| 2391 | /* Handle sleep stuff before any clock mucking */ |
| 2392 | if (vi->varid == IOV_SLEEP) { |
| 2393 | if (IOV_ISSET(actionid)) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2394 | bcmerror = brcmf_sdbrcm_bussleep(bus, bool_val); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2395 | } else { |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2396 | int_val = (s32) bus->sleeping; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2397 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2398 | } |
| 2399 | goto exit; |
| 2400 | } |
| 2401 | |
| 2402 | /* Request clock to allow SDIO accesses */ |
| 2403 | if (!bus->dhd->dongle_reset) { |
| 2404 | BUS_WAKE(bus); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2405 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2406 | } |
| 2407 | |
| 2408 | switch (actionid) { |
| 2409 | case IOV_GVAL(IOV_INTR): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2410 | int_val = (s32) bus->intr; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2411 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2412 | break; |
| 2413 | |
| 2414 | case IOV_SVAL(IOV_INTR): |
| 2415 | bus->intr = bool_val; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 2416 | bus->intdis = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2417 | if (bus->dhd->up) { |
| 2418 | if (bus->intr) { |
| 2419 | DHD_INTR(("%s: enable SDIO device interrupts\n", |
| 2420 | __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2421 | brcmf_sdcard_intr_enable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2422 | } else { |
| 2423 | DHD_INTR(("%s: disable SDIO interrupts\n", |
| 2424 | __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2425 | brcmf_sdcard_intr_disable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2426 | } |
| 2427 | } |
| 2428 | break; |
| 2429 | |
| 2430 | case IOV_GVAL(IOV_POLLRATE): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2431 | int_val = (s32) bus->pollrate; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2432 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2433 | break; |
| 2434 | |
| 2435 | case IOV_SVAL(IOV_POLLRATE): |
| 2436 | bus->pollrate = (uint) int_val; |
| 2437 | bus->poll = (bus->pollrate != 0); |
| 2438 | break; |
| 2439 | |
| 2440 | case IOV_GVAL(IOV_IDLETIME): |
| 2441 | int_val = bus->idletime; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2442 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2443 | break; |
| 2444 | |
| 2445 | case IOV_SVAL(IOV_IDLETIME): |
| 2446 | if ((int_val < 0) && (int_val != DHD_IDLE_IMMEDIATE)) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2447 | bcmerror = -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2448 | else |
| 2449 | bus->idletime = int_val; |
| 2450 | break; |
| 2451 | |
| 2452 | case IOV_GVAL(IOV_IDLECLOCK): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2453 | int_val = (s32) bus->idleclock; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2454 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2455 | break; |
| 2456 | |
| 2457 | case IOV_SVAL(IOV_IDLECLOCK): |
| 2458 | bus->idleclock = int_val; |
| 2459 | break; |
| 2460 | |
| 2461 | case IOV_GVAL(IOV_SD1IDLE): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2462 | int_val = (s32) sd1idle; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2463 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2464 | break; |
| 2465 | |
| 2466 | case IOV_SVAL(IOV_SD1IDLE): |
| 2467 | sd1idle = bool_val; |
| 2468 | break; |
| 2469 | |
| 2470 | case IOV_SVAL(IOV_MEMBYTES): |
| 2471 | case IOV_GVAL(IOV_MEMBYTES): |
| 2472 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2473 | u32 address; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2474 | uint size, dsize; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2475 | u8 *data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2476 | |
| 2477 | bool set = (actionid == IOV_SVAL(IOV_MEMBYTES)); |
| 2478 | |
| 2479 | ASSERT(plen >= 2 * sizeof(int)); |
| 2480 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2481 | address = (u32) int_val; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2482 | memcpy(&int_val, (char *)params + sizeof(int_val), |
| 2483 | sizeof(int_val)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2484 | size = (uint) int_val; |
| 2485 | |
| 2486 | /* Do some validation */ |
| 2487 | dsize = set ? plen - (2 * sizeof(int)) : len; |
| 2488 | if (dsize < size) { |
| 2489 | DHD_ERROR(("%s: error on %s membytes, addr " |
| 2490 | "0x%08x size %d dsize %d\n", |
| 2491 | __func__, (set ? "set" : "get"), |
| 2492 | address, size, dsize)); |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2493 | bcmerror = -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2494 | break; |
| 2495 | } |
| 2496 | |
| 2497 | DHD_INFO(("%s: Request to %s %d bytes at address " |
| 2498 | "0x%08x\n", |
| 2499 | __func__, (set ? "write" : "read"), size, address)); |
| 2500 | |
| 2501 | /* If we know about SOCRAM, check for a fit */ |
| 2502 | if ((bus->orig_ramsize) && |
| 2503 | ((address > bus->orig_ramsize) |
| 2504 | || (address + size > bus->orig_ramsize))) { |
| 2505 | DHD_ERROR(("%s: ramsize 0x%08x doesn't have %d " |
| 2506 | "bytes at 0x%08x\n", |
| 2507 | __func__, bus->orig_ramsize, size, address)); |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2508 | bcmerror = -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2509 | break; |
| 2510 | } |
| 2511 | |
| 2512 | /* Generate the actual data pointer */ |
| 2513 | data = |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2514 | set ? (u8 *) params + |
| 2515 | 2 * sizeof(int) : (u8 *) arg; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2516 | |
| 2517 | /* Call to do the transfer */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2518 | bcmerror = brcmf_sdbrcm_membytes(bus, set, address, |
| 2519 | data, size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2520 | |
| 2521 | break; |
| 2522 | } |
| 2523 | |
| 2524 | case IOV_GVAL(IOV_MEMSIZE): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2525 | int_val = (s32) bus->ramsize; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2526 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2527 | break; |
| 2528 | |
| 2529 | case IOV_GVAL(IOV_SDIOD_DRIVE): |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 2530 | int_val = (s32) brcmf_sdiod_drive_strength; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2531 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2532 | break; |
| 2533 | |
| 2534 | case IOV_SVAL(IOV_SDIOD_DRIVE): |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 2535 | brcmf_sdiod_drive_strength = int_val; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2536 | brcmf_sdbrcm_sdiod_drive_strength_init(bus, |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 2537 | brcmf_sdiod_drive_strength); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2538 | break; |
| 2539 | |
| 2540 | case IOV_SVAL(IOV_DOWNLOAD): |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2541 | bcmerror = brcmf_sdbrcm_download_state(bus, bool_val); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2542 | break; |
| 2543 | |
| 2544 | case IOV_SVAL(IOV_VARS): |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2545 | bcmerror = brcmf_sdbrcm_downloadvars(bus, arg, len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2546 | break; |
| 2547 | |
| 2548 | case IOV_GVAL(IOV_READAHEAD): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2549 | int_val = (s32) dhd_readahead; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2550 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2551 | break; |
| 2552 | |
| 2553 | case IOV_SVAL(IOV_READAHEAD): |
| 2554 | if (bool_val && !dhd_readahead) |
| 2555 | bus->nextlen = 0; |
| 2556 | dhd_readahead = bool_val; |
| 2557 | break; |
| 2558 | |
| 2559 | case IOV_GVAL(IOV_SDRXCHAIN): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2560 | int_val = (s32) bus->use_rxchain; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2561 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2562 | break; |
| 2563 | |
| 2564 | case IOV_SVAL(IOV_SDRXCHAIN): |
| 2565 | if (bool_val && !bus->sd_rxchain) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2566 | bcmerror = -ENOTSUPP; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2567 | else |
| 2568 | bus->use_rxchain = bool_val; |
| 2569 | break; |
| 2570 | case IOV_GVAL(IOV_ALIGNCTL): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2571 | int_val = (s32) dhd_alignctl; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2572 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2573 | break; |
| 2574 | |
| 2575 | case IOV_SVAL(IOV_ALIGNCTL): |
| 2576 | dhd_alignctl = bool_val; |
| 2577 | break; |
| 2578 | |
| 2579 | case IOV_GVAL(IOV_SDALIGN): |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 2580 | int_val = BRCMF_SDALIGN; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2581 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2582 | break; |
| 2583 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2584 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2585 | case IOV_GVAL(IOV_VARS): |
| 2586 | if (bus->varsz < (uint) len) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2587 | memcpy(arg, bus->vars, bus->varsz); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2588 | else |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2589 | bcmerror = -EOVERFLOW; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2590 | break; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2591 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2592 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2593 | #ifdef BCMDBG |
Franky Lin | 913af5f | 2011-06-29 16:47:44 -0700 | [diff] [blame] | 2594 | case IOV_GVAL(IOV_DCONSOLE_POLL): |
| 2595 | int_val = (s32) brcmf_console_ms; |
| 2596 | memcpy(arg, &int_val, val_size); |
| 2597 | break; |
| 2598 | |
| 2599 | case IOV_SVAL(IOV_DCONSOLE_POLL): |
| 2600 | brcmf_console_ms = (uint) int_val; |
| 2601 | break; |
| 2602 | |
| 2603 | case IOV_SVAL(IOV_CONS): |
| 2604 | if (len > 0) |
| 2605 | bcmerror = brcmf_sdbrcm_bus_console_in(bus->dhd, |
| 2606 | arg, len - 1); |
| 2607 | break; |
| 2608 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2609 | case IOV_GVAL(IOV_SDREG): |
| 2610 | { |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2611 | struct brcmf_sdreg *sd_ptr; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2612 | u32 addr, size; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2613 | |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2614 | sd_ptr = (struct brcmf_sdreg *) params; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2615 | |
Greg Kroah-Hartman | f024c48 | 2010-10-21 10:50:21 -0700 | [diff] [blame] | 2616 | addr = (unsigned long)bus->regs + sd_ptr->offset; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2617 | size = sd_ptr->func; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2618 | int_val = (s32) brcmf_sdcard_reg_read(bus->sdh, addr, |
| 2619 | size); |
| 2620 | if (brcmf_sdcard_regfail(bus->sdh)) |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2621 | bcmerror = -EIO; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2622 | memcpy(arg, &int_val, sizeof(s32)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2623 | break; |
| 2624 | } |
| 2625 | |
| 2626 | case IOV_SVAL(IOV_SDREG): |
| 2627 | { |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2628 | struct brcmf_sdreg *sd_ptr; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2629 | u32 addr, size; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2630 | |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2631 | sd_ptr = (struct brcmf_sdreg *) params; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2632 | |
Greg Kroah-Hartman | f024c48 | 2010-10-21 10:50:21 -0700 | [diff] [blame] | 2633 | addr = (unsigned long)bus->regs + sd_ptr->offset; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2634 | size = sd_ptr->func; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2635 | brcmf_sdcard_reg_write(bus->sdh, addr, size, |
| 2636 | sd_ptr->value); |
| 2637 | if (brcmf_sdcard_regfail(bus->sdh)) |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2638 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2639 | break; |
| 2640 | } |
| 2641 | |
| 2642 | /* Same as above, but offset is not backplane |
| 2643 | (not SDIO core) */ |
| 2644 | case IOV_GVAL(IOV_SBREG): |
| 2645 | { |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2646 | struct brcmf_sdreg sdreg; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2647 | u32 addr, size; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2648 | |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2649 | memcpy(&sdreg, params, sizeof(sdreg)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2650 | |
| 2651 | addr = SI_ENUM_BASE + sdreg.offset; |
| 2652 | size = sdreg.func; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2653 | int_val = (s32) brcmf_sdcard_reg_read(bus->sdh, addr, |
| 2654 | size); |
| 2655 | if (brcmf_sdcard_regfail(bus->sdh)) |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2656 | bcmerror = -EIO; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2657 | memcpy(arg, &int_val, sizeof(s32)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2658 | break; |
| 2659 | } |
| 2660 | |
| 2661 | case IOV_SVAL(IOV_SBREG): |
| 2662 | { |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 2663 | struct brcmf_sdreg sdreg; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2664 | u32 addr, size; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2665 | |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2666 | memcpy(&sdreg, params, sizeof(sdreg)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2667 | |
| 2668 | addr = SI_ENUM_BASE + sdreg.offset; |
| 2669 | size = sdreg.func; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2670 | brcmf_sdcard_reg_write(bus->sdh, addr, size, |
| 2671 | sdreg.value); |
| 2672 | if (brcmf_sdcard_regfail(bus->sdh)) |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2673 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2674 | break; |
| 2675 | } |
| 2676 | |
| 2677 | case IOV_GVAL(IOV_SDCIS): |
| 2678 | { |
| 2679 | *(char *)arg = 0; |
| 2680 | |
nohee ko | ea3b8a2 | 2010-10-09 10:34:38 -0700 | [diff] [blame] | 2681 | strcat(arg, "\nFunc 0\n"); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2682 | brcmf_sdcard_cis_read(bus->sdh, 0x10, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2683 | (u8 *) arg + strlen(arg), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2684 | SBSDIO_CIS_SIZE_LIMIT); |
nohee ko | ea3b8a2 | 2010-10-09 10:34:38 -0700 | [diff] [blame] | 2685 | strcat(arg, "\nFunc 1\n"); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2686 | brcmf_sdcard_cis_read(bus->sdh, 0x11, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2687 | (u8 *) arg + strlen(arg), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2688 | SBSDIO_CIS_SIZE_LIMIT); |
nohee ko | ea3b8a2 | 2010-10-09 10:34:38 -0700 | [diff] [blame] | 2689 | strcat(arg, "\nFunc 2\n"); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2690 | brcmf_sdcard_cis_read(bus->sdh, 0x12, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2691 | (u8 *) arg + strlen(arg), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2692 | SBSDIO_CIS_SIZE_LIMIT); |
| 2693 | break; |
| 2694 | } |
| 2695 | |
| 2696 | case IOV_GVAL(IOV_FORCEEVEN): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2697 | int_val = (s32) forcealign; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2698 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2699 | break; |
| 2700 | |
| 2701 | case IOV_SVAL(IOV_FORCEEVEN): |
| 2702 | forcealign = bool_val; |
| 2703 | break; |
| 2704 | |
| 2705 | case IOV_GVAL(IOV_TXBOUND): |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 2706 | int_val = (s32) brcmf_txbound; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2707 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2708 | break; |
| 2709 | |
| 2710 | case IOV_SVAL(IOV_TXBOUND): |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 2711 | brcmf_txbound = (uint) int_val; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2712 | break; |
| 2713 | |
| 2714 | case IOV_GVAL(IOV_RXBOUND): |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 2715 | int_val = (s32) brcmf_rxbound; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2716 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2717 | break; |
| 2718 | |
| 2719 | case IOV_SVAL(IOV_RXBOUND): |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 2720 | brcmf_rxbound = (uint) int_val; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2721 | break; |
| 2722 | |
| 2723 | case IOV_GVAL(IOV_TXMINMAX): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2724 | int_val = (s32) dhd_txminmax; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2725 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2726 | break; |
| 2727 | |
| 2728 | case IOV_SVAL(IOV_TXMINMAX): |
| 2729 | dhd_txminmax = (uint) int_val; |
| 2730 | break; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2731 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2732 | |
| 2733 | #ifdef SDTEST |
| 2734 | case IOV_GVAL(IOV_EXTLOOP): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2735 | int_val = (s32) bus->ext_loop; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2736 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2737 | break; |
| 2738 | |
| 2739 | case IOV_SVAL(IOV_EXTLOOP): |
| 2740 | bus->ext_loop = bool_val; |
| 2741 | break; |
| 2742 | |
| 2743 | case IOV_GVAL(IOV_PKTGEN): |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2744 | bcmerror = brcmf_sdbrcm_pktgen_get(bus, arg); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2745 | break; |
| 2746 | |
| 2747 | case IOV_SVAL(IOV_PKTGEN): |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2748 | bcmerror = brcmf_sdbrcm_pktgen_set(bus, arg); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2749 | break; |
| 2750 | #endif /* SDTEST */ |
| 2751 | |
| 2752 | case IOV_SVAL(IOV_DEVRESET): |
| 2753 | DHD_TRACE(("%s: Called set IOV_DEVRESET=%d dongle_reset=%d " |
| 2754 | "busstate=%d\n", |
| 2755 | __func__, bool_val, bus->dhd->dongle_reset, |
| 2756 | bus->dhd->busstate)); |
| 2757 | |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 2758 | brcmf_bus_devreset(bus->dhd, (u8) bool_val); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2759 | |
| 2760 | break; |
| 2761 | |
| 2762 | case IOV_GVAL(IOV_DEVRESET): |
| 2763 | DHD_TRACE(("%s: Called get IOV_DEVRESET\n", __func__)); |
| 2764 | |
| 2765 | /* Get its status */ |
| 2766 | int_val = (bool) bus->dhd->dongle_reset; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2767 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2768 | |
| 2769 | break; |
| 2770 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 2771 | case IOV_GVAL(IOV_WDTICK): |
| 2772 | int_val = (s32) brcmf_watchdog_ms; |
| 2773 | memcpy(arg, &int_val, val_size); |
| 2774 | break; |
| 2775 | |
| 2776 | case IOV_SVAL(IOV_WDTICK): |
| 2777 | if (!bus->dhd->up) { |
| 2778 | bcmerror = -ENOLINK; |
| 2779 | break; |
| 2780 | } |
| 2781 | brcmf_sdbrcm_wd_timer(bus, (uint) int_val); |
| 2782 | break; |
| 2783 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2784 | default: |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2785 | bcmerror = -ENOTSUPP; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2786 | break; |
| 2787 | } |
| 2788 | |
| 2789 | exit: |
| 2790 | if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 2791 | bus->activity = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2792 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2793 | } |
| 2794 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 2795 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2796 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 2797 | if (actionid == IOV_SVAL(IOV_DEVRESET) && bool_val == false) |
Arend van Spriel | aba5e0a | 2011-06-29 16:47:03 -0700 | [diff] [blame] | 2798 | brcmf_c_preinit_ioctls((dhd_pub_t *) bus->dhd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2799 | |
| 2800 | return bcmerror; |
| 2801 | } |
| 2802 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2803 | static int brcmf_sdbrcm_write_vars(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2804 | { |
| 2805 | int bcmerror = 0; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2806 | u32 varsize; |
| 2807 | u32 varaddr; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2808 | u8 *vbuffer; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2809 | u32 varsizew; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2810 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2811 | char *nvram_ularray; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2812 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2813 | |
| 2814 | /* Even if there are no vars are to be written, we still |
| 2815 | need to set the ramsize. */ |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 2816 | varsize = bus->varsz ? roundup(bus->varsz, 4) : 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2817 | varaddr = (bus->ramsize - 4) - varsize; |
| 2818 | |
| 2819 | if (bus->vars) { |
Alexander Beregalov | 12d0eb4 | 2011-03-09 03:53:35 +0300 | [diff] [blame] | 2820 | vbuffer = kzalloc(varsize, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2821 | if (!vbuffer) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2822 | return -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2823 | |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 2824 | memcpy(vbuffer, bus->vars, bus->varsz); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2825 | |
| 2826 | /* Write the vars list */ |
| 2827 | bcmerror = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2828 | brcmf_sdbrcm_membytes(bus, true, varaddr, vbuffer, varsize); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2829 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2830 | /* Verify NVRAM bytes */ |
| 2831 | DHD_INFO(("Compare NVRAM dl & ul; varsize=%d\n", varsize)); |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 2832 | nvram_ularray = kmalloc(varsize, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2833 | if (!nvram_ularray) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 2834 | return -ENOMEM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2835 | |
| 2836 | /* Upload image to verify downloaded contents. */ |
| 2837 | memset(nvram_ularray, 0xaa, varsize); |
| 2838 | |
| 2839 | /* Read the vars list to temp buffer for comparison */ |
| 2840 | bcmerror = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2841 | brcmf_sdbrcm_membytes(bus, false, varaddr, nvram_ularray, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2842 | varsize); |
| 2843 | if (bcmerror) { |
| 2844 | DHD_ERROR(("%s: error %d on reading %d nvram bytes at " |
| 2845 | "0x%08x\n", __func__, bcmerror, varsize, varaddr)); |
| 2846 | } |
| 2847 | /* Compare the org NVRAM with the one read from RAM */ |
| 2848 | if (memcmp(vbuffer, nvram_ularray, varsize)) { |
| 2849 | DHD_ERROR(("%s: Downloaded NVRAM image is corrupted.\n", |
| 2850 | __func__)); |
| 2851 | } else |
| 2852 | DHD_ERROR(("%s: Download/Upload/Compare of NVRAM ok.\n", |
| 2853 | __func__)); |
| 2854 | |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 2855 | kfree(nvram_ularray); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 2856 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2857 | |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 2858 | kfree(vbuffer); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2859 | } |
| 2860 | |
| 2861 | /* adjust to the user specified RAM */ |
| 2862 | DHD_INFO(("Physical memory size: %d, usable memory size: %d\n", |
| 2863 | bus->orig_ramsize, bus->ramsize)); |
| 2864 | DHD_INFO(("Vars are at %d, orig varsize is %d\n", varaddr, varsize)); |
| 2865 | varsize = ((bus->orig_ramsize - 4) - varaddr); |
| 2866 | |
| 2867 | /* |
| 2868 | * Determine the length token: |
| 2869 | * Varsize, converted to words, in lower 16-bits, checksum |
| 2870 | * in upper 16-bits. |
| 2871 | */ |
| 2872 | if (bcmerror) { |
| 2873 | varsizew = 0; |
| 2874 | } else { |
| 2875 | varsizew = varsize / 4; |
| 2876 | varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF); |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 2877 | varsizew = cpu_to_le32(varsizew); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2878 | } |
| 2879 | |
| 2880 | DHD_INFO(("New varsize is %d, length token=0x%08x\n", varsize, |
| 2881 | varsizew)); |
| 2882 | |
| 2883 | /* Write the length token to the last word */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2884 | bcmerror = brcmf_sdbrcm_membytes(bus, true, (bus->orig_ramsize - 4), |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2885 | (u8 *)&varsizew, 4); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2886 | |
| 2887 | return bcmerror; |
| 2888 | } |
| 2889 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2890 | static int brcmf_sdbrcm_download_state(dhd_bus_t *bus, bool enter) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2891 | { |
| 2892 | uint retries; |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 2893 | u32 regdata; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2894 | int bcmerror = 0; |
| 2895 | |
| 2896 | /* To enter download state, disable ARM and reset SOCRAM. |
| 2897 | * To exit download state, simply reset ARM (default is RAM boot). |
| 2898 | */ |
| 2899 | if (enter) { |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 2900 | bus->alp_only = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2901 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2902 | brcmf_sdbrcm_chip_disablecore(bus->sdh, bus->ci->armcorebase); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2903 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2904 | brcmf_sdbrcm_chip_resetcore(bus->sdh, bus->ci->ramcorebase); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2905 | |
| 2906 | /* Clear the top bit of memory */ |
| 2907 | if (bus->ramsize) { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2908 | u32 zeros = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2909 | brcmf_sdbrcm_membytes(bus, true, bus->ramsize - 4, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 2910 | (u8 *)&zeros, 4); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2911 | } |
| 2912 | } else { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2913 | regdata = brcmf_sdcard_reg_read(bus->sdh, |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 2914 | CORE_SB(bus->ci->ramcorebase, sbtmstatelow), 4); |
| 2915 | regdata &= (SBTML_RESET | SBTML_REJ_MASK | |
| 2916 | (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); |
| 2917 | if ((SICF_CLOCK_EN << SBTML_SICF_SHIFT) != regdata) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2918 | DHD_ERROR(("%s: SOCRAM core is down after reset?\n", |
| 2919 | __func__)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 2920 | bcmerror = -EBADE; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2921 | goto fail; |
| 2922 | } |
| 2923 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2924 | bcmerror = brcmf_sdbrcm_write_vars(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2925 | if (bcmerror) { |
| 2926 | DHD_ERROR(("%s: no vars written to RAM\n", __func__)); |
| 2927 | bcmerror = 0; |
| 2928 | } |
| 2929 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2930 | W_SDREG(0xFFFFFFFF, &bus->regs->intstatus, retries); |
| 2931 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2932 | brcmf_sdbrcm_chip_resetcore(bus->sdh, bus->ci->armcorebase); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2933 | |
| 2934 | /* Allow HT Clock now that the ARM is running. */ |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 2935 | bus->alp_only = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2936 | |
| 2937 | bus->dhd->busstate = DHD_BUS_LOAD; |
| 2938 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2939 | fail: |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2940 | return bcmerror; |
| 2941 | } |
| 2942 | |
| 2943 | int |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2944 | brcmf_sdbrcm_bus_iovar_op(dhd_pub_t *dhdp, const char *name, |
| 2945 | void *params, int plen, void *arg, int len, bool set) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2946 | { |
| 2947 | dhd_bus_t *bus = dhdp->bus; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2948 | const struct brcmu_iovar *vi = NULL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2949 | int bcmerror = 0; |
| 2950 | int val_size; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 2951 | u32 actionid; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2952 | |
| 2953 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 2954 | |
| 2955 | ASSERT(name); |
| 2956 | ASSERT(len >= 0); |
| 2957 | |
| 2958 | /* Get MUST have return space */ |
| 2959 | ASSERT(set || (arg && len)); |
| 2960 | |
| 2961 | /* Set does NOT take qualifiers */ |
| 2962 | ASSERT(!set || (!params && !plen)); |
| 2963 | |
| 2964 | /* Look up var locally; if not found pass to host driver */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 2965 | vi = brcmu_iovar_lookup(dhdsdio_iovars, name); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2966 | if (vi == NULL) { |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 2967 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2968 | |
| 2969 | BUS_WAKE(bus); |
| 2970 | |
| 2971 | /* Turn on clock in case SD command needs backplane */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2972 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2973 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2974 | bcmerror = brcmf_sdcard_iovar_op(bus->sdh, name, params, plen, |
| 2975 | arg, len, set); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2976 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2977 | /* Similar check for blocksize change */ |
| 2978 | if (set && strcmp(name, "sd_blocksize") == 0) { |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2979 | s32 fnum = 2; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2980 | if (brcmf_sdcard_iovar_op |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 2981 | (bus->sdh, "sd_blocksize", &fnum, sizeof(s32), |
| 2982 | &bus->blocksize, sizeof(s32), |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 2983 | false) != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2984 | bus->blocksize = 0; |
| 2985 | DHD_ERROR(("%s: fail on %s get\n", __func__, |
| 2986 | "sd_blocksize")); |
| 2987 | } else { |
| 2988 | DHD_INFO(("%s: noted %s update, value now %d\n", |
| 2989 | __func__, "sd_blocksize", |
| 2990 | bus->blocksize)); |
| 2991 | } |
| 2992 | } |
Greg Kroah-Hartman | 7068c2f | 2010-10-08 11:34:59 -0700 | [diff] [blame] | 2993 | bus->roundup = min(max_roundup, bus->blocksize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2994 | |
| 2995 | if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 2996 | bus->activity = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 2997 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 2998 | } |
| 2999 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3000 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3001 | goto exit; |
| 3002 | } |
| 3003 | |
| 3004 | DHD_CTL(("%s: %s %s, len %d plen %d\n", __func__, |
| 3005 | name, (set ? "set" : "get"), len, plen)); |
| 3006 | |
| 3007 | /* set up 'params' pointer in case this is a set command so that |
| 3008 | * the convenience int and bool code can be common to set and get |
| 3009 | */ |
| 3010 | if (params == NULL) { |
| 3011 | params = arg; |
| 3012 | plen = len; |
| 3013 | } |
| 3014 | |
| 3015 | if (vi->type == IOVT_VOID) |
| 3016 | val_size = 0; |
| 3017 | else if (vi->type == IOVT_BUFFER) |
| 3018 | val_size = len; |
| 3019 | else |
| 3020 | /* all other types are integer sized */ |
| 3021 | val_size = sizeof(int); |
| 3022 | |
| 3023 | actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3024 | bcmerror = brcmf_sdbrcm_doiovar(bus, vi, actionid, name, params, plen, |
| 3025 | arg, len, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3026 | |
| 3027 | exit: |
| 3028 | return bcmerror; |
| 3029 | } |
| 3030 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3031 | void brcmf_sdbrcm_bus_stop(struct dhd_bus *bus, bool enforce_mutex) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3032 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 3033 | u32 local_hostintmask; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3034 | u8 saveclk; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3035 | uint retries; |
| 3036 | int err; |
| 3037 | |
| 3038 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 3039 | |
| 3040 | if (enforce_mutex) |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3041 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3042 | |
| 3043 | BUS_WAKE(bus); |
| 3044 | |
| 3045 | /* Enable clock for device interrupts */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3046 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3047 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 3048 | if (bus->watchdog_tsk) { |
| 3049 | send_sig(SIGTERM, bus->watchdog_tsk, 1); |
| 3050 | kthread_stop(bus->watchdog_tsk); |
| 3051 | bus->watchdog_tsk = NULL; |
| 3052 | } |
| 3053 | |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 3054 | if (bus->dpc_tsk) { |
| 3055 | send_sig(SIGTERM, bus->dpc_tsk, 1); |
| 3056 | kthread_stop(bus->dpc_tsk); |
| 3057 | bus->dpc_tsk = NULL; |
| 3058 | } else |
| 3059 | tasklet_kill(&bus->tasklet); |
| 3060 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3061 | /* Disable and clear interrupts at the chip level also */ |
| 3062 | W_SDREG(0, &bus->regs->hostintmask, retries); |
| 3063 | local_hostintmask = bus->hostintmask; |
| 3064 | bus->hostintmask = 0; |
| 3065 | |
| 3066 | /* Change our idea of bus state */ |
| 3067 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 3068 | |
| 3069 | /* Force clocks on backplane to be sure F2 interrupt propagates */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3070 | saveclk = brcmf_sdcard_cfg_read(bus->sdh, SDIO_FUNC_1, |
| 3071 | SBSDIO_FUNC1_CHIPCLKCSR, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3072 | if (!err) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3073 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, |
| 3074 | SBSDIO_FUNC1_CHIPCLKCSR, |
| 3075 | (saveclk | SBSDIO_FORCE_HT), &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3076 | } |
| 3077 | if (err) { |
| 3078 | DHD_ERROR(("%s: Failed to force clock for F2: err %d\n", |
| 3079 | __func__, err)); |
| 3080 | } |
| 3081 | |
| 3082 | /* Turn off the bus (F2), free any pending packets */ |
| 3083 | DHD_INTR(("%s: disable SDIO interrupts\n", __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3084 | brcmf_sdcard_intr_disable(bus->sdh); |
| 3085 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_0, SDIO_CCCR_IOEx, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3086 | SDIO_FUNC_ENABLE_1, NULL); |
| 3087 | |
| 3088 | /* Clear any pending interrupts now that F2 is disabled */ |
| 3089 | W_SDREG(local_hostintmask, &bus->regs->intstatus, retries); |
| 3090 | |
| 3091 | /* Turn off the backplane clock (only) */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3092 | brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3093 | |
| 3094 | /* Clear the data packet queues */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3095 | brcmu_pktq_flush(&bus->txq, true, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3096 | |
| 3097 | /* Clear any held glomming stuff */ |
| 3098 | if (bus->glomd) |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3099 | brcmu_pkt_buf_free_skb(bus->glomd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3100 | |
| 3101 | if (bus->glom) |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3102 | brcmu_pkt_buf_free_skb(bus->glom); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3103 | |
| 3104 | bus->glom = bus->glomd = NULL; |
| 3105 | |
| 3106 | /* Clear rx control and wake any waiters */ |
| 3107 | bus->rxlen = 0; |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 3108 | brcmf_os_ioctl_resp_wake(bus->dhd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3109 | |
| 3110 | /* Reset some F2 state stuff */ |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3111 | bus->rxskip = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3112 | bus->tx_seq = bus->rx_seq = 0; |
| 3113 | |
| 3114 | if (enforce_mutex) |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3115 | brcmf_sdbrcm_sdunlock(bus); |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 3116 | |
| 3117 | #if defined(OOB_INTR_ONLY) |
| 3118 | brcmf_sdio_unregister_oob_intr(); |
| 3119 | #endif /* defined(OOB_INTR_ONLY) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3120 | } |
| 3121 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3122 | int brcmf_sdbrcm_bus_init(dhd_pub_t *dhdp, bool enforce_mutex) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3123 | { |
| 3124 | dhd_bus_t *bus = dhdp->bus; |
| 3125 | dhd_timeout_t tmo; |
| 3126 | uint retries = 0; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3127 | u8 ready, enable; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3128 | int err, ret = 0; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3129 | u8 saveclk; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3130 | |
| 3131 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 3132 | |
| 3133 | ASSERT(bus->dhd); |
| 3134 | if (!bus->dhd) |
| 3135 | return 0; |
| 3136 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 3137 | /* Start the watchdog timer */ |
| 3138 | bus->dhd->tickcnt = 0; |
| 3139 | brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms); |
| 3140 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3141 | if (enforce_mutex) |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3142 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3143 | |
| 3144 | /* Make sure backplane clock is on, needed to generate F2 interrupt */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3145 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3146 | if (bus->clkstate != CLK_AVAIL) |
| 3147 | goto exit; |
| 3148 | |
| 3149 | /* Force clocks on backplane to be sure F2 interrupt propagates */ |
| 3150 | saveclk = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3151 | brcmf_sdcard_cfg_read(bus->sdh, SDIO_FUNC_1, |
| 3152 | SBSDIO_FUNC1_CHIPCLKCSR, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3153 | if (!err) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3154 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, |
| 3155 | SBSDIO_FUNC1_CHIPCLKCSR, |
| 3156 | (saveclk | SBSDIO_FORCE_HT), &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3157 | } |
| 3158 | if (err) { |
| 3159 | DHD_ERROR(("%s: Failed to force clock for F2: err %d\n", |
| 3160 | __func__, err)); |
| 3161 | goto exit; |
| 3162 | } |
| 3163 | |
| 3164 | /* Enable function 2 (frame transfers) */ |
| 3165 | W_SDREG((SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT), |
| 3166 | &bus->regs->tosbmailboxdata, retries); |
| 3167 | enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2); |
| 3168 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3169 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_0, SDIO_CCCR_IOEx, enable, |
| 3170 | NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3171 | |
| 3172 | /* Give the dongle some time to do its thing and set IOR2 */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 3173 | brcmf_timeout_start(&tmo, DHD_WAIT_F2RDY * 1000); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3174 | |
| 3175 | ready = 0; |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 3176 | while (ready != enable && !brcmf_timeout_expired(&tmo)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3177 | ready = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3178 | brcmf_sdcard_cfg_read(bus->sdh, SDIO_FUNC_0, SDIO_CCCR_IORx, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3179 | NULL); |
| 3180 | |
| 3181 | DHD_INFO(("%s: enable 0x%02x, ready 0x%02x (waited %uus)\n", |
| 3182 | __func__, enable, ready, tmo.elapsed)); |
| 3183 | |
| 3184 | /* If F2 successfully enabled, set core and enable interrupts */ |
| 3185 | if (ready == enable) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3186 | /* Set up the interrupt mask and enable interrupts */ |
| 3187 | bus->hostintmask = HOSTINTMASK; |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 3188 | W_SDREG(bus->hostintmask, |
| 3189 | (unsigned int *)CORE_BUS_REG(bus->ci->buscorebase, |
| 3190 | hostintmask), retries); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3191 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3192 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3193 | (u8) watermark, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3194 | |
| 3195 | /* Set bus state according to enable result */ |
| 3196 | dhdp->busstate = DHD_BUS_DATA; |
| 3197 | |
| 3198 | /* bcmsdh_intr_unmask(bus->sdh); */ |
| 3199 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3200 | bus->intdis = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3201 | if (bus->intr) { |
| 3202 | DHD_INTR(("%s: enable SDIO device interrupts\n", |
| 3203 | __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3204 | brcmf_sdcard_intr_enable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3205 | } else { |
| 3206 | DHD_INTR(("%s: disable SDIO interrupts\n", __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3207 | brcmf_sdcard_intr_disable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3208 | } |
| 3209 | |
| 3210 | } |
| 3211 | |
| 3212 | else { |
| 3213 | /* Disable F2 again */ |
| 3214 | enable = SDIO_FUNC_ENABLE_1; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3215 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_0, SDIO_CCCR_IOEx, |
| 3216 | enable, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3217 | } |
| 3218 | |
| 3219 | /* Restore previous clock setting */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3220 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3221 | saveclk, &err); |
| 3222 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 3223 | #if defined(OOB_INTR_ONLY) |
| 3224 | /* Host registration for OOB interrupt */ |
| 3225 | if (brcmf_sdio_register_oob_intr(bus->dhd)) { |
| 3226 | brcmf_sdbrcm_wd_timer(bus, 0); |
| 3227 | DHD_ERROR(("%s Host failed to resgister for OOB\n", __func__)); |
| 3228 | ret = -ENODEV; |
| 3229 | goto exit; |
| 3230 | } |
| 3231 | |
| 3232 | /* Enable oob at firmware */ |
| 3233 | brcmf_sdbrcm_enable_oob_intr(bus, true); |
| 3234 | #endif /* defined(OOB_INTR_ONLY) */ |
| 3235 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3236 | /* If we didn't come up, turn off backplane clock */ |
| 3237 | if (dhdp->busstate != DHD_BUS_DATA) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3238 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3239 | |
| 3240 | exit: |
| 3241 | if (enforce_mutex) |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3242 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3243 | |
| 3244 | return ret; |
| 3245 | } |
| 3246 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3247 | static void brcmf_sdbrcm_rxfail(dhd_bus_t *bus, bool abort, bool rtx) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3248 | { |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 3249 | struct brcmf_sdio *sdh = bus->sdh; |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 3250 | struct sdpcmd_regs *regs = bus->regs; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3251 | uint retries = 0; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3252 | u16 lastrbc; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3253 | u8 hi, lo; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3254 | int err; |
| 3255 | |
| 3256 | DHD_ERROR(("%s: %sterminate frame%s\n", __func__, |
| 3257 | (abort ? "abort command, " : ""), |
| 3258 | (rtx ? ", send NAK" : ""))); |
| 3259 | |
| 3260 | if (abort) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3261 | brcmf_sdcard_abort(sdh, SDIO_FUNC_2); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3262 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3263 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, |
| 3264 | SFC_RF_TERM, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3265 | bus->f1regdata++; |
| 3266 | |
| 3267 | /* Wait until the packet has been flushed (device/FIFO stable) */ |
| 3268 | for (lastrbc = retries = 0xffff; retries > 0; retries--) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3269 | hi = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 3270 | SBSDIO_FUNC1_RFRAMEBCHI, NULL); |
| 3271 | lo = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 3272 | SBSDIO_FUNC1_RFRAMEBCLO, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3273 | bus->f1regdata += 2; |
| 3274 | |
| 3275 | if ((hi == 0) && (lo == 0)) |
| 3276 | break; |
| 3277 | |
| 3278 | if ((hi > (lastrbc >> 8)) && (lo > (lastrbc & 0x00ff))) { |
| 3279 | DHD_ERROR(("%s: count growing: last 0x%04x now " |
| 3280 | "0x%04x\n", |
| 3281 | __func__, lastrbc, ((hi << 8) + lo))); |
| 3282 | } |
| 3283 | lastrbc = (hi << 8) + lo; |
| 3284 | } |
| 3285 | |
| 3286 | if (!retries) { |
| 3287 | DHD_ERROR(("%s: count never zeroed: last 0x%04x\n", |
| 3288 | __func__, lastrbc)); |
| 3289 | } else { |
| 3290 | DHD_INFO(("%s: flush took %d iterations\n", __func__, |
| 3291 | (0xffff - retries))); |
| 3292 | } |
| 3293 | |
| 3294 | if (rtx) { |
| 3295 | bus->rxrtx++; |
| 3296 | W_SDREG(SMB_NAK, ®s->tosbmailbox, retries); |
| 3297 | bus->f1regdata++; |
| 3298 | if (retries <= retry_limit) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 3299 | bus->rxskip = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3300 | } |
| 3301 | |
| 3302 | /* Clear partial in any case */ |
| 3303 | bus->nextlen = 0; |
| 3304 | |
| 3305 | /* If we can't reach the device, signal failure */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3306 | if (err || brcmf_sdcard_regfail(sdh)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3307 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 3308 | } |
| 3309 | |
| 3310 | static void |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3311 | brcmf_sdbrcm_read_control(dhd_bus_t *bus, u8 *hdr, uint len, uint doff) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3312 | { |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 3313 | struct brcmf_sdio *sdh = bus->sdh; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3314 | uint rdlen, pad; |
| 3315 | |
| 3316 | int sdret; |
| 3317 | |
| 3318 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 3319 | |
| 3320 | /* Control data already received in aligned rxctl */ |
| 3321 | if ((bus->bus == SPI_BUS) && (!bus->usebufpool)) |
| 3322 | goto gotpkt; |
| 3323 | |
| 3324 | ASSERT(bus->rxbuf); |
| 3325 | /* Set rxctl for frame (w/optional alignment) */ |
| 3326 | bus->rxctl = bus->rxbuf; |
| 3327 | if (dhd_alignctl) { |
| 3328 | bus->rxctl += firstread; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3329 | pad = ((unsigned long)bus->rxctl % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3330 | if (pad) |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3331 | bus->rxctl += (BRCMF_SDALIGN - pad); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3332 | bus->rxctl -= firstread; |
| 3333 | } |
| 3334 | ASSERT(bus->rxctl >= bus->rxbuf); |
| 3335 | |
| 3336 | /* Copy the already-read portion over */ |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 3337 | memcpy(bus->rxctl, hdr, firstread); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3338 | if (len <= firstread) |
| 3339 | goto gotpkt; |
| 3340 | |
| 3341 | /* Copy the full data pkt in gSPI case and process ioctl. */ |
| 3342 | if (bus->bus == SPI_BUS) { |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 3343 | memcpy(bus->rxctl, hdr, len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3344 | goto gotpkt; |
| 3345 | } |
| 3346 | |
| 3347 | /* Raise rdlen to next SDIO block to avoid tail command */ |
| 3348 | rdlen = len - firstread; |
| 3349 | if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { |
| 3350 | pad = bus->blocksize - (rdlen % bus->blocksize); |
| 3351 | if ((pad <= bus->roundup) && (pad < bus->blocksize) && |
| 3352 | ((len + pad) < bus->dhd->maxctl)) |
| 3353 | rdlen += pad; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3354 | } else if (rdlen % BRCMF_SDALIGN) { |
| 3355 | rdlen += BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3356 | } |
| 3357 | |
| 3358 | /* Satisfy length-alignment requirements */ |
| 3359 | if (forcealign && (rdlen & (ALIGNMENT - 1))) |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 3360 | rdlen = roundup(rdlen, ALIGNMENT); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3361 | |
| 3362 | /* Drop if the read is too big or it exceeds our maximum */ |
| 3363 | if ((rdlen + firstread) > bus->dhd->maxctl) { |
| 3364 | DHD_ERROR(("%s: %d-byte control read exceeds %d-byte buffer\n", |
| 3365 | __func__, rdlen, bus->dhd->maxctl)); |
| 3366 | bus->dhd->rx_errors++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3367 | brcmf_sdbrcm_rxfail(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3368 | goto done; |
| 3369 | } |
| 3370 | |
| 3371 | if ((len - doff) > bus->dhd->maxctl) { |
| 3372 | DHD_ERROR(("%s: %d-byte ctl frame (%d-byte ctl data) exceeds " |
| 3373 | "%d-byte limit\n", |
| 3374 | __func__, len, (len - doff), bus->dhd->maxctl)); |
| 3375 | bus->dhd->rx_errors++; |
| 3376 | bus->rx_toolong++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3377 | brcmf_sdbrcm_rxfail(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3378 | goto done; |
| 3379 | } |
| 3380 | |
| 3381 | /* Read remainder of frame body into the rxctl buffer */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3382 | sdret = brcmf_sdcard_recv_buf(sdh, brcmf_sdcard_cur_sbwad(sdh), |
| 3383 | SDIO_FUNC_2, |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 3384 | F2SYNC, (bus->rxctl + firstread), rdlen, |
| 3385 | NULL, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3386 | bus->f2rxdata++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 3387 | ASSERT(sdret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3388 | |
| 3389 | /* Control frame failures need retransmission */ |
| 3390 | if (sdret < 0) { |
| 3391 | DHD_ERROR(("%s: read %d control bytes failed: %d\n", |
| 3392 | __func__, rdlen, sdret)); |
| 3393 | bus->rxc_errors++; /* dhd.rx_ctlerrs is higher level */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3394 | brcmf_sdbrcm_rxfail(bus, true, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3395 | goto done; |
| 3396 | } |
| 3397 | |
| 3398 | gotpkt: |
| 3399 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3400 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 3401 | if (DHD_BYTES_ON() && DHD_CTL_ON()) { |
| 3402 | printk(KERN_DEBUG "RxCtrl:\n"); |
| 3403 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, bus->rxctl, len); |
| 3404 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3405 | #endif |
| 3406 | |
| 3407 | /* Point to valid data and indicate its length */ |
| 3408 | bus->rxctl += doff; |
| 3409 | bus->rxlen = len - doff; |
| 3410 | |
| 3411 | done: |
| 3412 | /* Awake any waiters */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 3413 | brcmf_os_ioctl_resp_wake(bus->dhd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3414 | } |
| 3415 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3416 | static u8 brcmf_sdbrcm_rxglom(dhd_bus_t *bus, u8 rxseq) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3417 | { |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3418 | u16 dlen, totlen; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3419 | u8 *dptr, num = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3420 | |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3421 | u16 sublen, check; |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 3422 | struct sk_buff *pfirst, *plast, *pnext, *save_pfirst; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3423 | |
| 3424 | int errcode; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3425 | u8 chan, seq, doff, sfdoff; |
| 3426 | u8 txmax; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3427 | |
| 3428 | int ifidx = 0; |
| 3429 | bool usechain = bus->use_rxchain; |
| 3430 | |
| 3431 | /* If packets, issue read(s) and send up packet chain */ |
| 3432 | /* Return sequence numbers consumed? */ |
| 3433 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3434 | DHD_TRACE(("brcmf_sdbrcm_rxglom: start: glomd %p glom %p\n", bus->glomd, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3435 | bus->glom)); |
| 3436 | |
| 3437 | /* If there's a descriptor, generate the packet chain */ |
| 3438 | if (bus->glomd) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3439 | pfirst = plast = pnext = NULL; |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3440 | dlen = (u16) (bus->glomd->len); |
| 3441 | dptr = bus->glomd->data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3442 | if (!dlen || (dlen & 1)) { |
| 3443 | DHD_ERROR(("%s: bad glomd len(%d), ignore descriptor\n", |
| 3444 | __func__, dlen)); |
| 3445 | dlen = 0; |
| 3446 | } |
| 3447 | |
| 3448 | for (totlen = num = 0; dlen; num++) { |
| 3449 | /* Get (and move past) next length */ |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 3450 | sublen = get_unaligned_le16(dptr); |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3451 | dlen -= sizeof(u16); |
| 3452 | dptr += sizeof(u16); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3453 | if ((sublen < SDPCM_HDRLEN) || |
| 3454 | ((num == 0) && (sublen < (2 * SDPCM_HDRLEN)))) { |
| 3455 | DHD_ERROR(("%s: descriptor len %d bad: %d\n", |
| 3456 | __func__, num, sublen)); |
| 3457 | pnext = NULL; |
| 3458 | break; |
| 3459 | } |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3460 | if (sublen % BRCMF_SDALIGN) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3461 | DHD_ERROR(("%s: sublen %d not multiple of %d\n", |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3462 | __func__, sublen, BRCMF_SDALIGN)); |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3463 | usechain = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3464 | } |
| 3465 | totlen += sublen; |
| 3466 | |
| 3467 | /* For last frame, adjust read len so total |
| 3468 | is a block multiple */ |
| 3469 | if (!dlen) { |
| 3470 | sublen += |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 3471 | (roundup(totlen, bus->blocksize) - totlen); |
| 3472 | totlen = roundup(totlen, bus->blocksize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3473 | } |
| 3474 | |
| 3475 | /* Allocate/chain packet for next subframe */ |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3476 | pnext = brcmu_pkt_buf_get_skb(sublen + BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3477 | if (pnext == NULL) { |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 3478 | DHD_ERROR(("%s: bcm_pkt_buf_get_skb failed, " |
| 3479 | "num %d len %d\n", __func__, |
| 3480 | num, sublen)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3481 | break; |
| 3482 | } |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3483 | ASSERT(!(pnext->prev)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3484 | if (!pfirst) { |
| 3485 | ASSERT(!plast); |
| 3486 | pfirst = plast = pnext; |
| 3487 | } else { |
| 3488 | ASSERT(plast); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3489 | plast->next = pnext; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3490 | plast = pnext; |
| 3491 | } |
| 3492 | |
| 3493 | /* Adhere to start alignment requirements */ |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3494 | PKTALIGN(pnext, sublen, BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3495 | } |
| 3496 | |
| 3497 | /* If all allocations succeeded, save packet chain |
| 3498 | in bus structure */ |
| 3499 | if (pnext) { |
| 3500 | DHD_GLOM(("%s: allocated %d-byte packet chain for %d " |
| 3501 | "subframes\n", __func__, totlen, num)); |
| 3502 | if (DHD_GLOM_ON() && bus->nextlen) { |
| 3503 | if (totlen != bus->nextlen) { |
| 3504 | DHD_GLOM(("%s: glomdesc mismatch: nextlen %d glomdesc %d " "rxseq %d\n", |
| 3505 | __func__, bus->nextlen, |
| 3506 | totlen, rxseq)); |
| 3507 | } |
| 3508 | } |
| 3509 | bus->glom = pfirst; |
| 3510 | pfirst = pnext = NULL; |
| 3511 | } else { |
| 3512 | if (pfirst) |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3513 | brcmu_pkt_buf_free_skb(pfirst); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3514 | bus->glom = NULL; |
| 3515 | num = 0; |
| 3516 | } |
| 3517 | |
| 3518 | /* Done with descriptor packet */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3519 | brcmu_pkt_buf_free_skb(bus->glomd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3520 | bus->glomd = NULL; |
| 3521 | bus->nextlen = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3522 | } |
| 3523 | |
| 3524 | /* Ok -- either we just generated a packet chain, |
| 3525 | or had one from before */ |
| 3526 | if (bus->glom) { |
| 3527 | if (DHD_GLOM_ON()) { |
| 3528 | DHD_GLOM(("%s: try superframe read, packet chain:\n", |
| 3529 | __func__)); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3530 | for (pnext = bus->glom; pnext; pnext = pnext->next) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3531 | DHD_GLOM((" %p: %p len 0x%04x (%d)\n", |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3532 | pnext, (u8 *) (pnext->data), |
| 3533 | pnext->len, pnext->len)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3534 | } |
| 3535 | } |
| 3536 | |
| 3537 | pfirst = bus->glom; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3538 | dlen = (u16) brcmu_pkttotlen(pfirst); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3539 | |
| 3540 | /* Do an SDIO read for the superframe. Configurable iovar to |
| 3541 | * read directly into the chained packet, or allocate a large |
| 3542 | * packet and and copy into the chain. |
| 3543 | */ |
| 3544 | if (usechain) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3545 | errcode = brcmf_sdcard_recv_buf(bus->sdh, |
| 3546 | brcmf_sdcard_cur_sbwad(bus->sdh), |
| 3547 | SDIO_FUNC_2, |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 3548 | F2SYNC, (u8 *) pfirst->data, dlen, |
| 3549 | pfirst, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3550 | } else if (bus->dataptr) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3551 | errcode = brcmf_sdcard_recv_buf(bus->sdh, |
| 3552 | brcmf_sdcard_cur_sbwad(bus->sdh), |
| 3553 | SDIO_FUNC_2, |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 3554 | F2SYNC, bus->dataptr, dlen, |
| 3555 | NULL, NULL, NULL); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3556 | sublen = (u16) brcmu_pktfrombuf(pfirst, 0, dlen, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3557 | bus->dataptr); |
| 3558 | if (sublen != dlen) { |
| 3559 | DHD_ERROR(("%s: FAILED TO COPY, dlen %d sublen %d\n", |
| 3560 | __func__, dlen, sublen)); |
| 3561 | errcode = -1; |
| 3562 | } |
| 3563 | pnext = NULL; |
| 3564 | } else { |
| 3565 | DHD_ERROR(("COULDN'T ALLOC %d-BYTE GLOM, FORCE FAILURE\n", |
| 3566 | dlen)); |
| 3567 | errcode = -1; |
| 3568 | } |
| 3569 | bus->f2rxdata++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 3570 | ASSERT(errcode != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3571 | |
| 3572 | /* On failure, kill the superframe, allow a couple retries */ |
| 3573 | if (errcode < 0) { |
| 3574 | DHD_ERROR(("%s: glom read of %d bytes failed: %d\n", |
| 3575 | __func__, dlen, errcode)); |
| 3576 | bus->dhd->rx_errors++; |
| 3577 | |
| 3578 | if (bus->glomerr++ < 3) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3579 | brcmf_sdbrcm_rxfail(bus, true, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3580 | } else { |
| 3581 | bus->glomerr = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3582 | brcmf_sdbrcm_rxfail(bus, true, false); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3583 | brcmu_pkt_buf_free_skb(bus->glom); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3584 | bus->rxglomfail++; |
| 3585 | bus->glom = NULL; |
| 3586 | } |
| 3587 | return 0; |
| 3588 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3589 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3590 | if (DHD_GLOM_ON()) { |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 3591 | printk(KERN_DEBUG "SUPERFRAME:\n"); |
| 3592 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 3593 | pfirst->data, min_t(int, pfirst->len, 48)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3594 | } |
| 3595 | #endif |
| 3596 | |
| 3597 | /* Validate the superframe header */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3598 | dptr = (u8 *) (pfirst->data); |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 3599 | sublen = get_unaligned_le16(dptr); |
| 3600 | check = get_unaligned_le16(dptr + sizeof(u16)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3601 | |
| 3602 | chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3603 | seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3604 | bus->nextlen = dptr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; |
| 3605 | if ((bus->nextlen << 4) > MAX_RX_DATASZ) { |
| 3606 | DHD_INFO(("%s: nextlen too large (%d) seq %d\n", |
| 3607 | __func__, bus->nextlen, seq)); |
| 3608 | bus->nextlen = 0; |
| 3609 | } |
| 3610 | doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3611 | txmax = SDPCM_WINDOW_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3612 | |
| 3613 | errcode = 0; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3614 | if ((u16)~(sublen ^ check)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3615 | DHD_ERROR(("%s (superframe): HW hdr error: len/check " |
| 3616 | "0x%04x/0x%04x\n", __func__, sublen, check)); |
| 3617 | errcode = -1; |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 3618 | } else if (roundup(sublen, bus->blocksize) != dlen) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3619 | DHD_ERROR(("%s (superframe): len 0x%04x, rounded " |
| 3620 | "0x%04x, expect 0x%04x\n", |
| 3621 | __func__, sublen, |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 3622 | roundup(sublen, bus->blocksize), dlen)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3623 | errcode = -1; |
| 3624 | } else if (SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]) != |
| 3625 | SDPCM_GLOM_CHANNEL) { |
| 3626 | DHD_ERROR(("%s (superframe): bad channel %d\n", |
| 3627 | __func__, |
| 3628 | SDPCM_PACKET_CHANNEL(&dptr |
| 3629 | [SDPCM_FRAMETAG_LEN]))); |
| 3630 | errcode = -1; |
| 3631 | } else if (SDPCM_GLOMDESC(&dptr[SDPCM_FRAMETAG_LEN])) { |
| 3632 | DHD_ERROR(("%s (superframe): got second descriptor?\n", |
| 3633 | __func__)); |
| 3634 | errcode = -1; |
| 3635 | } else if ((doff < SDPCM_HDRLEN) || |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3636 | (doff > (pfirst->len - SDPCM_HDRLEN))) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3637 | DHD_ERROR(("%s (superframe): Bad data offset %d: HW %d " |
| 3638 | "pkt %d min %d\n", |
| 3639 | __func__, doff, sublen, |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3640 | pfirst->len, SDPCM_HDRLEN)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3641 | errcode = -1; |
| 3642 | } |
| 3643 | |
| 3644 | /* Check sequence number of superframe SW header */ |
| 3645 | if (rxseq != seq) { |
| 3646 | DHD_INFO(("%s: (superframe) rx_seq %d, expected %d\n", |
| 3647 | __func__, seq, rxseq)); |
| 3648 | bus->rx_badseq++; |
| 3649 | rxseq = seq; |
| 3650 | } |
| 3651 | |
| 3652 | /* Check window for sanity */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3653 | if ((u8) (txmax - bus->tx_seq) > 0x40) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3654 | DHD_ERROR(("%s: unlikely tx max %d with tx_seq %d\n", |
| 3655 | __func__, txmax, bus->tx_seq)); |
| 3656 | txmax = bus->tx_seq + 2; |
| 3657 | } |
| 3658 | bus->tx_max = txmax; |
| 3659 | |
| 3660 | /* Remove superframe header, remember offset */ |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 3661 | skb_pull(pfirst, doff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3662 | sfdoff = doff; |
| 3663 | |
| 3664 | /* Validate all the subframe headers */ |
| 3665 | for (num = 0, pnext = pfirst; pnext && !errcode; |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3666 | num++, pnext = pnext->next) { |
| 3667 | dptr = (u8 *) (pnext->data); |
| 3668 | dlen = (u16) (pnext->len); |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 3669 | sublen = get_unaligned_le16(dptr); |
| 3670 | check = get_unaligned_le16(dptr + sizeof(u16)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3671 | chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3672 | doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3673 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 3674 | if (DHD_GLOM_ON()) { |
| 3675 | printk(KERN_DEBUG "subframe:\n"); |
| 3676 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 3677 | dptr, 32); |
| 3678 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3679 | #endif |
| 3680 | |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3681 | if ((u16)~(sublen ^ check)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3682 | DHD_ERROR(("%s (subframe %d): HW hdr error: " |
| 3683 | "len/check 0x%04x/0x%04x\n", |
| 3684 | __func__, num, sublen, check)); |
| 3685 | errcode = -1; |
| 3686 | } else if ((sublen > dlen) || (sublen < SDPCM_HDRLEN)) { |
| 3687 | DHD_ERROR(("%s (subframe %d): length mismatch: " |
| 3688 | "len 0x%04x, expect 0x%04x\n", |
| 3689 | __func__, num, sublen, dlen)); |
| 3690 | errcode = -1; |
| 3691 | } else if ((chan != SDPCM_DATA_CHANNEL) && |
| 3692 | (chan != SDPCM_EVENT_CHANNEL)) { |
| 3693 | DHD_ERROR(("%s (subframe %d): bad channel %d\n", |
| 3694 | __func__, num, chan)); |
| 3695 | errcode = -1; |
| 3696 | } else if ((doff < SDPCM_HDRLEN) || (doff > sublen)) { |
| 3697 | DHD_ERROR(("%s (subframe %d): Bad data offset %d: HW %d min %d\n", |
| 3698 | __func__, num, doff, sublen, |
| 3699 | SDPCM_HDRLEN)); |
| 3700 | errcode = -1; |
| 3701 | } |
| 3702 | } |
| 3703 | |
| 3704 | if (errcode) { |
| 3705 | /* Terminate frame on error, request |
| 3706 | a couple retries */ |
| 3707 | if (bus->glomerr++ < 3) { |
| 3708 | /* Restore superframe header space */ |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 3709 | skb_push(pfirst, sfdoff); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3710 | brcmf_sdbrcm_rxfail(bus, true, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3711 | } else { |
| 3712 | bus->glomerr = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3713 | brcmf_sdbrcm_rxfail(bus, true, false); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3714 | brcmu_pkt_buf_free_skb(bus->glom); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3715 | bus->rxglomfail++; |
| 3716 | bus->glom = NULL; |
| 3717 | } |
| 3718 | bus->nextlen = 0; |
| 3719 | return 0; |
| 3720 | } |
| 3721 | |
| 3722 | /* Basic SD framing looks ok - process each packet (header) */ |
| 3723 | save_pfirst = pfirst; |
| 3724 | bus->glom = NULL; |
| 3725 | plast = NULL; |
| 3726 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3727 | for (num = 0; pfirst; rxseq++, pfirst = pnext) { |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3728 | pnext = pfirst->next; |
| 3729 | pfirst->next = NULL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3730 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3731 | dptr = (u8 *) (pfirst->data); |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 3732 | sublen = get_unaligned_le16(dptr); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3733 | chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3734 | seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3735 | doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| 3736 | |
| 3737 | DHD_GLOM(("%s: Get subframe %d, %p(%p/%d), sublen %d " |
| 3738 | "chan %d seq %d\n", |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3739 | __func__, num, pfirst, pfirst->data, |
| 3740 | pfirst->len, sublen, chan, seq)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3741 | |
| 3742 | ASSERT((chan == SDPCM_DATA_CHANNEL) |
| 3743 | || (chan == SDPCM_EVENT_CHANNEL)); |
| 3744 | |
| 3745 | if (rxseq != seq) { |
| 3746 | DHD_GLOM(("%s: rx_seq %d, expected %d\n", |
| 3747 | __func__, seq, rxseq)); |
| 3748 | bus->rx_badseq++; |
| 3749 | rxseq = seq; |
| 3750 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3751 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 3752 | if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| 3753 | printk(KERN_DEBUG "Rx Subframe Data:\n"); |
| 3754 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 3755 | dptr, dlen); |
| 3756 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3757 | #endif |
| 3758 | |
Arend van Spriel | 2cb8ada | 2010-11-18 20:46:44 +0100 | [diff] [blame] | 3759 | __skb_trim(pfirst, sublen); |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 3760 | skb_pull(pfirst, doff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3761 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3762 | if (pfirst->len == 0) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3763 | brcmu_pkt_buf_free_skb(pfirst); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3764 | if (plast) { |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3765 | plast->next = pnext; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3766 | } else { |
| 3767 | ASSERT(save_pfirst == pfirst); |
| 3768 | save_pfirst = pnext; |
| 3769 | } |
| 3770 | continue; |
Arend van Spriel | 0aa94b8 | 2011-06-29 16:47:13 -0700 | [diff] [blame] | 3771 | } else if (brcmf_proto_hdrpull(bus->dhd, &ifidx, pfirst) |
| 3772 | != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3773 | DHD_ERROR(("%s: rx protocol error\n", |
| 3774 | __func__)); |
| 3775 | bus->dhd->rx_errors++; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3776 | brcmu_pkt_buf_free_skb(pfirst); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3777 | if (plast) { |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3778 | plast->next = pnext; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3779 | } else { |
| 3780 | ASSERT(save_pfirst == pfirst); |
| 3781 | save_pfirst = pnext; |
| 3782 | } |
| 3783 | continue; |
| 3784 | } |
| 3785 | |
| 3786 | /* this packet will go up, link back into |
| 3787 | chain and count it */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3788 | pfirst->next = pnext; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3789 | plast = pfirst; |
| 3790 | num++; |
| 3791 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3792 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3793 | if (DHD_GLOM_ON()) { |
| 3794 | DHD_GLOM(("%s subframe %d to stack, %p(%p/%d) " |
| 3795 | "nxt/lnk %p/%p\n", |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3796 | __func__, num, pfirst, pfirst->data, |
| 3797 | pfirst->len, pfirst->next, |
| 3798 | pfirst->prev)); |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 3799 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 3800 | pfirst->data, |
| 3801 | min_t(int, pfirst->len, 32)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3802 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3803 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3804 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3805 | if (num) { |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3806 | brcmf_sdbrcm_sdunlock(bus); |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 3807 | brcmf_rx_frame(bus->dhd, ifidx, save_pfirst, num); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 3808 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3809 | } |
| 3810 | |
| 3811 | bus->rxglomframes++; |
| 3812 | bus->rxglompkts += num; |
| 3813 | } |
| 3814 | return num; |
| 3815 | } |
| 3816 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 3817 | /* Return true if there may be more frames to read */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3818 | static uint |
| 3819 | brcmf_sdbrcm_readframes(dhd_bus_t *bus, uint maxframes, bool *finished) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3820 | { |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 3821 | struct brcmf_sdio *sdh = bus->sdh; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3822 | |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3823 | u16 len, check; /* Extracted hardware header fields */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3824 | u8 chan, seq, doff; /* Extracted software header fields */ |
| 3825 | u8 fcbits; /* Extracted fcbits from software header */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3826 | |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 3827 | struct sk_buff *pkt; /* Packet for event or data frames */ |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3828 | u16 pad; /* Number of pad bytes to read */ |
| 3829 | u16 rdlen; /* Total number of bytes to read */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3830 | u8 rxseq; /* Next sequence number to expect */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3831 | uint rxleft = 0; /* Remaining number of frames allowed */ |
| 3832 | int sdret; /* Return code from bcmsdh calls */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3833 | u8 txmax; /* Maximum tx sequence offered */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3834 | bool len_consistent; /* Result of comparing readahead len and |
| 3835 | len from hw-hdr */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3836 | u8 *rxbuf; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3837 | int ifidx = 0; |
| 3838 | uint rxcount = 0; /* Total frames read */ |
| 3839 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 3840 | #if defined(BCMDBG) || defined(SDTEST) |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3841 | bool sdtest = false; /* To limit message spew from test mode */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3842 | #endif |
| 3843 | |
| 3844 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 3845 | |
| 3846 | ASSERT(maxframes); |
| 3847 | |
| 3848 | #ifdef SDTEST |
| 3849 | /* Allow pktgen to override maxframes */ |
| 3850 | if (bus->pktgen_count && (bus->pktgen_mode == DHD_PKTGEN_RECV)) { |
| 3851 | maxframes = bus->pktgen_count; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 3852 | sdtest = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3853 | } |
| 3854 | #endif |
| 3855 | |
| 3856 | /* Not finished unless we encounter no more frames indication */ |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3857 | *finished = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3858 | |
| 3859 | for (rxseq = bus->rx_seq, rxleft = maxframes; |
| 3860 | !bus->rxskip && rxleft && bus->dhd->busstate != DHD_BUS_DOWN; |
| 3861 | rxseq++, rxleft--) { |
| 3862 | |
| 3863 | /* Handle glomming separately */ |
| 3864 | if (bus->glom || bus->glomd) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 3865 | u8 cnt; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3866 | DHD_GLOM(("%s: calling rxglom: glomd %p, glom %p\n", |
| 3867 | __func__, bus->glomd, bus->glom)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3868 | cnt = brcmf_sdbrcm_rxglom(bus, rxseq); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3869 | DHD_GLOM(("%s: rxglom returned %d\n", __func__, cnt)); |
| 3870 | rxseq += cnt - 1; |
| 3871 | rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1; |
| 3872 | continue; |
| 3873 | } |
| 3874 | |
| 3875 | /* Try doing single read if we can */ |
| 3876 | if (dhd_readahead && bus->nextlen) { |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 3877 | u16 nextlen = bus->nextlen; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3878 | bus->nextlen = 0; |
| 3879 | |
| 3880 | if (bus->bus == SPI_BUS) { |
| 3881 | rdlen = len = nextlen; |
| 3882 | } else { |
| 3883 | rdlen = len = nextlen << 4; |
| 3884 | |
| 3885 | /* Pad read to blocksize for efficiency */ |
| 3886 | if (bus->roundup && bus->blocksize |
| 3887 | && (rdlen > bus->blocksize)) { |
| 3888 | pad = |
| 3889 | bus->blocksize - |
| 3890 | (rdlen % bus->blocksize); |
| 3891 | if ((pad <= bus->roundup) |
| 3892 | && (pad < bus->blocksize) |
| 3893 | && ((rdlen + pad + firstread) < |
| 3894 | MAX_RX_DATASZ)) |
| 3895 | rdlen += pad; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3896 | } else if (rdlen % BRCMF_SDALIGN) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3897 | rdlen += |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3898 | BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3899 | } |
| 3900 | } |
| 3901 | |
| 3902 | /* We use bus->rxctl buffer in WinXP for initial |
| 3903 | * control pkt receives. |
| 3904 | * Later we use buffer-poll for data as well |
| 3905 | * as control packets. |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 3906 | * This is required because dhd receives full |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3907 | * frame in gSPI unlike SDIO. |
| 3908 | * After the frame is received we have to |
| 3909 | * distinguish whether it is data |
| 3910 | * or non-data frame. |
| 3911 | */ |
| 3912 | /* Allocate a packet buffer */ |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3913 | pkt = brcmu_pkt_buf_get_skb(rdlen + BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3914 | if (!pkt) { |
| 3915 | if (bus->bus == SPI_BUS) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3916 | bus->usebufpool = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3917 | bus->rxctl = bus->rxbuf; |
| 3918 | if (dhd_alignctl) { |
| 3919 | bus->rxctl += firstread; |
Greg Kroah-Hartman | f024c48 | 2010-10-21 10:50:21 -0700 | [diff] [blame] | 3920 | pad = ((unsigned long)bus->rxctl % |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3921 | BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3922 | if (pad) |
| 3923 | bus->rxctl += |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3924 | (BRCMF_SDALIGN - pad); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3925 | bus->rxctl -= firstread; |
| 3926 | } |
| 3927 | ASSERT(bus->rxctl >= bus->rxbuf); |
| 3928 | rxbuf = bus->rxctl; |
| 3929 | /* Read the entire frame */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3930 | sdret = brcmf_sdcard_recv_buf(sdh, |
| 3931 | brcmf_sdcard_cur_sbwad(sdh), |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 3932 | SDIO_FUNC_2, F2SYNC, |
| 3933 | rxbuf, rdlen, |
| 3934 | NULL, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3935 | bus->f2rxdata++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 3936 | ASSERT(sdret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3937 | |
| 3938 | /* Control frame failures need |
| 3939 | retransmission */ |
| 3940 | if (sdret < 0) { |
| 3941 | DHD_ERROR(("%s: read %d control bytes failed: %d\n", |
| 3942 | __func__, |
| 3943 | rdlen, sdret)); |
| 3944 | /* dhd.rx_ctlerrs is higher */ |
| 3945 | bus->rxc_errors++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3946 | brcmf_sdbrcm_rxfail(bus, true, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3947 | (bus->bus == |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3948 | SPI_BUS) ? false |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 3949 | : true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3950 | continue; |
| 3951 | } |
| 3952 | } else { |
| 3953 | /* Give up on data, |
| 3954 | request rtx of events */ |
Arend van Spriel | cda64a5 | 2011-05-10 22:25:33 +0200 | [diff] [blame] | 3955 | DHD_ERROR(("%s (nextlen): " |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3956 | "brcmu_pkt_buf_get_skb " |
| 3957 | "failed:" |
Arend van Spriel | cda64a5 | 2011-05-10 22:25:33 +0200 | [diff] [blame] | 3958 | " len %d rdlen %d expected" |
| 3959 | " rxseq %d\n", __func__, |
| 3960 | len, rdlen, rxseq)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3961 | continue; |
| 3962 | } |
| 3963 | } else { |
| 3964 | if (bus->bus == SPI_BUS) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 3965 | bus->usebufpool = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3966 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3967 | ASSERT(!(pkt->prev)); |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 3968 | PKTALIGN(pkt, rdlen, BRCMF_SDALIGN); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 3969 | rxbuf = (u8 *) (pkt->data); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3970 | /* Read the entire frame */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3971 | sdret = brcmf_sdcard_recv_buf(sdh, |
| 3972 | brcmf_sdcard_cur_sbwad(sdh), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3973 | SDIO_FUNC_2, F2SYNC, |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 3974 | rxbuf, rdlen, |
| 3975 | pkt, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3976 | bus->f2rxdata++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 3977 | ASSERT(sdret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3978 | |
| 3979 | if (sdret < 0) { |
| 3980 | DHD_ERROR(("%s (nextlen): read %d bytes failed: %d\n", |
| 3981 | __func__, rdlen, sdret)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 3982 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3983 | bus->dhd->rx_errors++; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3984 | /* Force retry w/normal header read. |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 3985 | * Don't attempt NAK for |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3986 | * gSPI |
| 3987 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 3988 | brcmf_sdbrcm_rxfail(bus, true, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3989 | (bus->bus == |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 3990 | SPI_BUS) ? false : |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 3991 | true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3992 | continue; |
| 3993 | } |
| 3994 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3995 | |
| 3996 | /* Now check the header */ |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 3997 | memcpy(bus->rxhdr, rxbuf, SDPCM_HDRLEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 3998 | |
| 3999 | /* Extract hardware header fields */ |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 4000 | len = get_unaligned_le16(bus->rxhdr); |
| 4001 | check = get_unaligned_le16(bus->rxhdr + sizeof(u16)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4002 | |
| 4003 | /* All zeros means readahead info was bad */ |
| 4004 | if (!(len | check)) { |
| 4005 | DHD_INFO(("%s (nextlen): read zeros in HW " |
| 4006 | "header???\n", __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4007 | brcmf_sdbrcm_pktfree2(bus, pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4008 | continue; |
| 4009 | } |
| 4010 | |
| 4011 | /* Validate check bytes */ |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 4012 | if ((u16)~(len ^ check)) { |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4013 | DHD_ERROR(("%s (nextlen): HW hdr error:" |
| 4014 | " nextlen/len/check" |
| 4015 | " 0x%04x/0x%04x/0x%04x\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4016 | __func__, nextlen, len, check)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4017 | bus->rx_badhdr++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4018 | brcmf_sdbrcm_rxfail(bus, false, false); |
| 4019 | brcmf_sdbrcm_pktfree2(bus, pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4020 | continue; |
| 4021 | } |
| 4022 | |
| 4023 | /* Validate frame length */ |
| 4024 | if (len < SDPCM_HDRLEN) { |
| 4025 | DHD_ERROR(("%s (nextlen): HW hdr length " |
| 4026 | "invalid: %d\n", __func__, len)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4027 | brcmf_sdbrcm_pktfree2(bus, pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4028 | continue; |
| 4029 | } |
| 4030 | |
| 4031 | /* Check for consistency withreadahead info */ |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 4032 | len_consistent = (nextlen != (roundup(len, 16) >> 4)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4033 | if (len_consistent) { |
| 4034 | /* Mismatch, force retry w/normal |
| 4035 | header (may be >4K) */ |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4036 | DHD_ERROR(("%s (nextlen): mismatch, " |
| 4037 | "nextlen %d len %d rnd %d; " |
| 4038 | "expected rxseq %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4039 | __func__, nextlen, |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 4040 | len, roundup(len, 16), rxseq)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4041 | brcmf_sdbrcm_rxfail(bus, true, |
| 4042 | bus->bus != SPI_BUS); |
| 4043 | brcmf_sdbrcm_pktfree2(bus, pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4044 | continue; |
| 4045 | } |
| 4046 | |
| 4047 | /* Extract software header fields */ |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4048 | chan = SDPCM_PACKET_CHANNEL( |
| 4049 | &bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4050 | seq = SDPCM_PACKET_SEQUENCE( |
| 4051 | &bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4052 | doff = SDPCM_DOFFSET_VALUE( |
| 4053 | &bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4054 | txmax = SDPCM_WINDOW_VALUE( |
| 4055 | &bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4056 | |
| 4057 | bus->nextlen = |
| 4058 | bus->rxhdr[SDPCM_FRAMETAG_LEN + |
| 4059 | SDPCM_NEXTLEN_OFFSET]; |
| 4060 | if ((bus->nextlen << 4) > MAX_RX_DATASZ) { |
| 4061 | DHD_INFO(("%s (nextlen): got frame w/nextlen too large" " (%d), seq %d\n", |
| 4062 | __func__, bus->nextlen, seq)); |
| 4063 | bus->nextlen = 0; |
| 4064 | } |
| 4065 | |
| 4066 | bus->dhd->rx_readahead_cnt++; |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4067 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4068 | /* Handle Flow Control */ |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4069 | fcbits = SDPCM_FCMASK_VALUE( |
| 4070 | &bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4071 | |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4072 | if (bus->flowcontrol != fcbits) { |
| 4073 | if (~bus->flowcontrol & fcbits) |
| 4074 | bus->fc_xoff++; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4075 | |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4076 | if (bus->flowcontrol & ~fcbits) |
| 4077 | bus->fc_xon++; |
| 4078 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4079 | bus->fc_rcvd++; |
| 4080 | bus->flowcontrol = fcbits; |
| 4081 | } |
| 4082 | |
| 4083 | /* Check and update sequence number */ |
| 4084 | if (rxseq != seq) { |
| 4085 | DHD_INFO(("%s (nextlen): rx_seq %d, expected " |
| 4086 | "%d\n", __func__, seq, rxseq)); |
| 4087 | bus->rx_badseq++; |
| 4088 | rxseq = seq; |
| 4089 | } |
| 4090 | |
| 4091 | /* Check window for sanity */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4092 | if ((u8) (txmax - bus->tx_seq) > 0x40) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4093 | DHD_ERROR(("%s: got unlikely tx max %d with " |
| 4094 | "tx_seq %d\n", |
| 4095 | __func__, txmax, bus->tx_seq)); |
| 4096 | txmax = bus->tx_seq + 2; |
| 4097 | } |
| 4098 | bus->tx_max = txmax; |
| 4099 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4100 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 4101 | if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| 4102 | printk(KERN_DEBUG "Rx Data:\n"); |
| 4103 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 4104 | rxbuf, len); |
| 4105 | } else if (DHD_HDRS_ON()) { |
| 4106 | printk(KERN_DEBUG "RxHdr:\n"); |
| 4107 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 4108 | bus->rxhdr, SDPCM_HDRLEN); |
| 4109 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4110 | #endif |
| 4111 | |
| 4112 | if (chan == SDPCM_CONTROL_CHANNEL) { |
| 4113 | if (bus->bus == SPI_BUS) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4114 | brcmf_sdbrcm_read_control(bus, rxbuf, |
| 4115 | len, doff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4116 | } else { |
| 4117 | DHD_ERROR(("%s (nextlen): readahead on control" " packet %d?\n", |
| 4118 | __func__, seq)); |
| 4119 | /* Force retry w/normal header read */ |
| 4120 | bus->nextlen = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4121 | brcmf_sdbrcm_rxfail(bus, false, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4122 | } |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4123 | brcmf_sdbrcm_pktfree2(bus, pkt); |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4124 | continue; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4125 | } |
| 4126 | |
| 4127 | if ((bus->bus == SPI_BUS) && !bus->usebufpool) { |
| 4128 | DHD_ERROR(("Received %d bytes on %d channel. Running out of " "rx pktbuf's or not yet malloced.\n", |
| 4129 | len, chan)); |
| 4130 | continue; |
| 4131 | } |
| 4132 | |
| 4133 | /* Validate data offset */ |
| 4134 | if ((doff < SDPCM_HDRLEN) || (doff > len)) { |
| 4135 | DHD_ERROR(("%s (nextlen): bad data offset %d: HW len %d min %d\n", |
| 4136 | __func__, doff, len, SDPCM_HDRLEN)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4137 | brcmf_sdbrcm_rxfail(bus, false, false); |
| 4138 | brcmf_sdbrcm_pktfree2(bus, pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4139 | continue; |
| 4140 | } |
| 4141 | |
| 4142 | /* All done with this one -- now deliver the packet */ |
| 4143 | goto deliver; |
| 4144 | } |
| 4145 | /* gSPI frames should not be handled in fractions */ |
| 4146 | if (bus->bus == SPI_BUS) |
| 4147 | break; |
| 4148 | |
| 4149 | /* Read frame header (hardware and software) */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4150 | sdret = brcmf_sdcard_recv_buf(sdh, brcmf_sdcard_cur_sbwad(sdh), |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4151 | SDIO_FUNC_2, F2SYNC, bus->rxhdr, firstread, |
| 4152 | NULL, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4153 | bus->f2rxhdrs++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 4154 | ASSERT(sdret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4155 | |
| 4156 | if (sdret < 0) { |
| 4157 | DHD_ERROR(("%s: RXHEADER FAILED: %d\n", __func__, |
| 4158 | sdret)); |
| 4159 | bus->rx_hdrfail++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4160 | brcmf_sdbrcm_rxfail(bus, true, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4161 | continue; |
| 4162 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4163 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 4164 | if (DHD_BYTES_ON() || DHD_HDRS_ON()) { |
| 4165 | printk(KERN_DEBUG "RxHdr:\n"); |
| 4166 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 4167 | bus->rxhdr, SDPCM_HDRLEN); |
| 4168 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4169 | #endif |
| 4170 | |
| 4171 | /* Extract hardware header fields */ |
Stanislav Fomichev | 56dfe3c | 2011-02-20 21:43:33 +0300 | [diff] [blame] | 4172 | len = get_unaligned_le16(bus->rxhdr); |
| 4173 | check = get_unaligned_le16(bus->rxhdr + sizeof(u16)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4174 | |
| 4175 | /* All zeros means no more frames */ |
| 4176 | if (!(len | check)) { |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4177 | *finished = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4178 | break; |
| 4179 | } |
| 4180 | |
| 4181 | /* Validate check bytes */ |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 4182 | if ((u16) ~(len ^ check)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4183 | DHD_ERROR(("%s: HW hdr err: len/check 0x%04x/0x%04x\n", |
| 4184 | __func__, len, check)); |
| 4185 | bus->rx_badhdr++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4186 | brcmf_sdbrcm_rxfail(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4187 | continue; |
| 4188 | } |
| 4189 | |
| 4190 | /* Validate frame length */ |
| 4191 | if (len < SDPCM_HDRLEN) { |
| 4192 | DHD_ERROR(("%s: HW hdr length invalid: %d\n", |
| 4193 | __func__, len)); |
| 4194 | continue; |
| 4195 | } |
| 4196 | |
| 4197 | /* Extract software header fields */ |
| 4198 | chan = SDPCM_PACKET_CHANNEL(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4199 | seq = SDPCM_PACKET_SEQUENCE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4200 | doff = SDPCM_DOFFSET_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4201 | txmax = SDPCM_WINDOW_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4202 | |
| 4203 | /* Validate data offset */ |
| 4204 | if ((doff < SDPCM_HDRLEN) || (doff > len)) { |
| 4205 | DHD_ERROR(("%s: Bad data offset %d: HW len %d, min %d " |
| 4206 | "seq %d\n", |
| 4207 | __func__, doff, len, SDPCM_HDRLEN, seq)); |
| 4208 | bus->rx_badhdr++; |
| 4209 | ASSERT(0); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4210 | brcmf_sdbrcm_rxfail(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4211 | continue; |
| 4212 | } |
| 4213 | |
| 4214 | /* Save the readahead length if there is one */ |
| 4215 | bus->nextlen = |
| 4216 | bus->rxhdr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; |
| 4217 | if ((bus->nextlen << 4) > MAX_RX_DATASZ) { |
| 4218 | DHD_INFO(("%s (nextlen): got frame w/nextlen too large " |
| 4219 | "(%d), seq %d\n", |
| 4220 | __func__, bus->nextlen, seq)); |
| 4221 | bus->nextlen = 0; |
| 4222 | } |
| 4223 | |
| 4224 | /* Handle Flow Control */ |
| 4225 | fcbits = SDPCM_FCMASK_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| 4226 | |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4227 | if (bus->flowcontrol != fcbits) { |
| 4228 | if (~bus->flowcontrol & fcbits) |
| 4229 | bus->fc_xoff++; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4230 | |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4231 | if (bus->flowcontrol & ~fcbits) |
| 4232 | bus->fc_xon++; |
| 4233 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4234 | bus->fc_rcvd++; |
| 4235 | bus->flowcontrol = fcbits; |
| 4236 | } |
| 4237 | |
| 4238 | /* Check and update sequence number */ |
| 4239 | if (rxseq != seq) { |
| 4240 | DHD_INFO(("%s: rx_seq %d, expected %d\n", __func__, |
| 4241 | seq, rxseq)); |
| 4242 | bus->rx_badseq++; |
| 4243 | rxseq = seq; |
| 4244 | } |
| 4245 | |
| 4246 | /* Check window for sanity */ |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4247 | if ((u8) (txmax - bus->tx_seq) > 0x40) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4248 | DHD_ERROR(("%s: unlikely tx max %d with tx_seq %d\n", |
| 4249 | __func__, txmax, bus->tx_seq)); |
| 4250 | txmax = bus->tx_seq + 2; |
| 4251 | } |
| 4252 | bus->tx_max = txmax; |
| 4253 | |
| 4254 | /* Call a separate function for control frames */ |
| 4255 | if (chan == SDPCM_CONTROL_CHANNEL) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4256 | brcmf_sdbrcm_read_control(bus, bus->rxhdr, len, doff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4257 | continue; |
| 4258 | } |
| 4259 | |
| 4260 | ASSERT((chan == SDPCM_DATA_CHANNEL) |
| 4261 | || (chan == SDPCM_EVENT_CHANNEL) |
| 4262 | || (chan == SDPCM_TEST_CHANNEL) |
| 4263 | || (chan == SDPCM_GLOM_CHANNEL)); |
| 4264 | |
| 4265 | /* Length to read */ |
| 4266 | rdlen = (len > firstread) ? (len - firstread) : 0; |
| 4267 | |
| 4268 | /* May pad read to blocksize for efficiency */ |
| 4269 | if (bus->roundup && bus->blocksize && |
| 4270 | (rdlen > bus->blocksize)) { |
| 4271 | pad = bus->blocksize - (rdlen % bus->blocksize); |
| 4272 | if ((pad <= bus->roundup) && (pad < bus->blocksize) && |
| 4273 | ((rdlen + pad + firstread) < MAX_RX_DATASZ)) |
| 4274 | rdlen += pad; |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4275 | } else if (rdlen % BRCMF_SDALIGN) { |
| 4276 | rdlen += BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4277 | } |
| 4278 | |
| 4279 | /* Satisfy length-alignment requirements */ |
| 4280 | if (forcealign && (rdlen & (ALIGNMENT - 1))) |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 4281 | rdlen = roundup(rdlen, ALIGNMENT); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4282 | |
| 4283 | if ((rdlen + firstread) > MAX_RX_DATASZ) { |
| 4284 | /* Too long -- skip this frame */ |
| 4285 | DHD_ERROR(("%s: too long: len %d rdlen %d\n", |
| 4286 | __func__, len, rdlen)); |
| 4287 | bus->dhd->rx_errors++; |
| 4288 | bus->rx_toolong++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4289 | brcmf_sdbrcm_rxfail(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4290 | continue; |
| 4291 | } |
| 4292 | |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4293 | pkt = brcmu_pkt_buf_get_skb(rdlen + firstread + BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4294 | if (!pkt) { |
| 4295 | /* Give up on data, request rtx of events */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4296 | DHD_ERROR(("%s: brcmu_pkt_buf_get_skb failed: rdlen %d" |
| 4297 | " chan %d\n", __func__, rdlen, chan)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4298 | bus->dhd->rx_dropped++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4299 | brcmf_sdbrcm_rxfail(bus, false, RETRYCHAN(chan)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4300 | continue; |
| 4301 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4302 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4303 | ASSERT(!(pkt->prev)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4304 | |
| 4305 | /* Leave room for what we already read, and align remainder */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4306 | ASSERT(firstread < pkt->len); |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 4307 | skb_pull(pkt, firstread); |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4308 | PKTALIGN(pkt, rdlen, BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4309 | |
| 4310 | /* Read the remaining frame data */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4311 | sdret = brcmf_sdcard_recv_buf(sdh, brcmf_sdcard_cur_sbwad(sdh), |
| 4312 | SDIO_FUNC_2, F2SYNC, ((u8 *) (pkt->data)), |
| 4313 | rdlen, pkt, NULL, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4314 | bus->f2rxdata++; |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 4315 | ASSERT(sdret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4316 | |
| 4317 | if (sdret < 0) { |
| 4318 | DHD_ERROR(("%s: read %d %s bytes failed: %d\n", |
| 4319 | __func__, rdlen, |
| 4320 | ((chan == |
| 4321 | SDPCM_EVENT_CHANNEL) ? "event" : ((chan == |
| 4322 | SDPCM_DATA_CHANNEL) |
| 4323 | ? "data" : "test")), |
| 4324 | sdret)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4325 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4326 | bus->dhd->rx_errors++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4327 | brcmf_sdbrcm_rxfail(bus, true, RETRYCHAN(chan)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4328 | continue; |
| 4329 | } |
| 4330 | |
| 4331 | /* Copy the already-read portion */ |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 4332 | skb_push(pkt, firstread); |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 4333 | memcpy(pkt->data, bus->rxhdr, firstread); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4334 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4335 | #ifdef BCMDBG |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 4336 | if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| 4337 | printk(KERN_DEBUG "Rx Data:\n"); |
| 4338 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, |
| 4339 | pkt->data, len); |
| 4340 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4341 | #endif |
| 4342 | |
| 4343 | deliver: |
| 4344 | /* Save superframe descriptor and allocate packet frame */ |
| 4345 | if (chan == SDPCM_GLOM_CHANNEL) { |
| 4346 | if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_FRAMETAG_LEN])) { |
| 4347 | DHD_GLOM(("%s: glom descriptor, %d bytes:\n", |
| 4348 | __func__, len)); |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4349 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4350 | if (DHD_GLOM_ON()) { |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 4351 | printk(KERN_DEBUG "Glom Data:\n"); |
| 4352 | print_hex_dump_bytes("", |
| 4353 | DUMP_PREFIX_OFFSET, |
| 4354 | pkt->data, len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4355 | } |
| 4356 | #endif |
Arend van Spriel | 2cb8ada | 2010-11-18 20:46:44 +0100 | [diff] [blame] | 4357 | __skb_trim(pkt, len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4358 | ASSERT(doff == SDPCM_HDRLEN); |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 4359 | skb_pull(pkt, SDPCM_HDRLEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4360 | bus->glomd = pkt; |
| 4361 | } else { |
| 4362 | DHD_ERROR(("%s: glom superframe w/o " |
| 4363 | "descriptor!\n", __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4364 | brcmf_sdbrcm_rxfail(bus, false, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4365 | } |
| 4366 | continue; |
| 4367 | } |
| 4368 | |
| 4369 | /* Fill in packet len and prio, deliver upward */ |
Arend van Spriel | 2cb8ada | 2010-11-18 20:46:44 +0100 | [diff] [blame] | 4370 | __skb_trim(pkt, len); |
Arend van Spriel | c303ecb | 2010-11-18 20:46:43 +0100 | [diff] [blame] | 4371 | skb_pull(pkt, doff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4372 | |
| 4373 | #ifdef SDTEST |
| 4374 | /* Test channel packets are processed separately */ |
| 4375 | if (chan == SDPCM_TEST_CHANNEL) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4376 | brcmf_sdbrcm_checkdied(bus, pkt, seq); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4377 | continue; |
| 4378 | } |
| 4379 | #endif /* SDTEST */ |
| 4380 | |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4381 | if (pkt->len == 0) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4382 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4383 | continue; |
Arend van Spriel | 0aa94b8 | 2011-06-29 16:47:13 -0700 | [diff] [blame] | 4384 | } else if (brcmf_proto_hdrpull(bus->dhd, &ifidx, pkt) != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4385 | DHD_ERROR(("%s: rx protocol error\n", __func__)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4386 | brcmu_pkt_buf_free_skb(pkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4387 | bus->dhd->rx_errors++; |
| 4388 | continue; |
| 4389 | } |
| 4390 | |
| 4391 | /* Unlock during rx call */ |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 4392 | brcmf_sdbrcm_sdunlock(bus); |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 4393 | brcmf_rx_frame(bus->dhd, ifidx, pkt, 1); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 4394 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4395 | } |
| 4396 | rxcount = maxframes - rxleft; |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4397 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4398 | /* Message if we hit the limit */ |
| 4399 | if (!rxleft && !sdtest) |
| 4400 | DHD_DATA(("%s: hit rx limit of %d frames\n", __func__, |
| 4401 | maxframes)); |
| 4402 | else |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4403 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4404 | DHD_DATA(("%s: processed %d frames\n", __func__, rxcount)); |
| 4405 | /* Back off rxseq if awaiting rtx, update rx_seq */ |
| 4406 | if (bus->rxskip) |
| 4407 | rxseq--; |
| 4408 | bus->rx_seq = rxseq; |
| 4409 | |
| 4410 | return rxcount; |
| 4411 | } |
| 4412 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4413 | static u32 brcmf_sdbrcm_hostmail(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4414 | { |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 4415 | struct sdpcmd_regs *regs = bus->regs; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 4416 | u32 intstatus = 0; |
| 4417 | u32 hmb_data; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4418 | u8 fcbits; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4419 | uint retries = 0; |
| 4420 | |
| 4421 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 4422 | |
| 4423 | /* Read mailbox data and ack that we did so */ |
| 4424 | R_SDREG(hmb_data, ®s->tohostmailboxdata, retries); |
| 4425 | if (retries <= retry_limit) |
| 4426 | W_SDREG(SMB_INT_ACK, ®s->tosbmailbox, retries); |
| 4427 | bus->f1regdata += 2; |
| 4428 | |
| 4429 | /* Dongle recomposed rx frames, accept them again */ |
| 4430 | if (hmb_data & HMB_DATA_NAKHANDLED) { |
| 4431 | DHD_INFO(("Dongle reports NAK handled, expect rtx of %d\n", |
| 4432 | bus->rx_seq)); |
| 4433 | if (!bus->rxskip) |
| 4434 | DHD_ERROR(("%s: unexpected NAKHANDLED!\n", __func__)); |
| 4435 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 4436 | bus->rxskip = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4437 | intstatus |= I_HMB_FRAME_IND; |
| 4438 | } |
| 4439 | |
| 4440 | /* |
| 4441 | * DEVREADY does not occur with gSPI. |
| 4442 | */ |
| 4443 | if (hmb_data & (HMB_DATA_DEVREADY | HMB_DATA_FWREADY)) { |
| 4444 | bus->sdpcm_ver = |
| 4445 | (hmb_data & HMB_DATA_VERSION_MASK) >> |
| 4446 | HMB_DATA_VERSION_SHIFT; |
| 4447 | if (bus->sdpcm_ver != SDPCM_PROT_VERSION) |
| 4448 | DHD_ERROR(("Version mismatch, dongle reports %d, " |
| 4449 | "expecting %d\n", |
| 4450 | bus->sdpcm_ver, SDPCM_PROT_VERSION)); |
| 4451 | else |
| 4452 | DHD_INFO(("Dongle ready, protocol version %d\n", |
| 4453 | bus->sdpcm_ver)); |
| 4454 | } |
| 4455 | |
| 4456 | /* |
| 4457 | * Flow Control has been moved into the RX headers and this out of band |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4458 | * method isn't used any more. |
| 4459 | * remaining backward compatible with older dongles. |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4460 | */ |
| 4461 | if (hmb_data & HMB_DATA_FC) { |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4462 | fcbits = (hmb_data & HMB_DATA_FCDATA_MASK) >> |
| 4463 | HMB_DATA_FCDATA_SHIFT; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4464 | |
| 4465 | if (fcbits & ~bus->flowcontrol) |
| 4466 | bus->fc_xoff++; |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 4467 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4468 | if (bus->flowcontrol & ~fcbits) |
| 4469 | bus->fc_xon++; |
| 4470 | |
| 4471 | bus->fc_rcvd++; |
| 4472 | bus->flowcontrol = fcbits; |
| 4473 | } |
| 4474 | |
| 4475 | /* Shouldn't be any others */ |
| 4476 | if (hmb_data & ~(HMB_DATA_DEVREADY | |
| 4477 | HMB_DATA_NAKHANDLED | |
| 4478 | HMB_DATA_FC | |
| 4479 | HMB_DATA_FWREADY | |
| 4480 | HMB_DATA_FCDATA_MASK | HMB_DATA_VERSION_MASK)) { |
| 4481 | DHD_ERROR(("Unknown mailbox data content: 0x%02x\n", hmb_data)); |
| 4482 | } |
| 4483 | |
| 4484 | return intstatus; |
| 4485 | } |
| 4486 | |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 4487 | static bool brcmf_sdbrcm_dpc(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4488 | { |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 4489 | struct brcmf_sdio *sdh = bus->sdh; |
Franky Lin | 597600a | 2011-06-01 13:45:39 +0200 | [diff] [blame] | 4490 | struct sdpcmd_regs *regs = bus->regs; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 4491 | u32 intstatus, newstatus = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4492 | uint retries = 0; |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 4493 | uint rxlimit = brcmf_rxbound; /* Rx frames to read before resched */ |
| 4494 | uint txlimit = brcmf_txbound; /* Tx frames to send before resched */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4495 | uint framecnt = 0; /* Temporary counter of tx/rx frames */ |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4496 | bool rxdone = true; /* Flag for no more read data */ |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 4497 | bool resched = false; /* Flag indicating resched wanted */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4498 | |
| 4499 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 4500 | |
| 4501 | /* Start with leftover status bits */ |
| 4502 | intstatus = bus->intstatus; |
| 4503 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 4504 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4505 | |
| 4506 | /* If waiting for HTAVAIL, check status */ |
| 4507 | if (bus->clkstate == CLK_PENDING) { |
| 4508 | int err; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4509 | u8 clkctl, devctl = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4510 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4511 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4512 | /* Check for inconsistent device control */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4513 | devctl = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 4514 | SBSDIO_DEVICE_CTL, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4515 | if (err) { |
| 4516 | DHD_ERROR(("%s: error reading DEVCTL: %d\n", |
| 4517 | __func__, err)); |
| 4518 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 4519 | } else { |
| 4520 | ASSERT(devctl & SBSDIO_DEVCTL_CA_INT_ONLY); |
| 4521 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4522 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4523 | |
| 4524 | /* Read CSR, if clock on switch to AVAIL, else ignore */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4525 | clkctl = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 4526 | SBSDIO_FUNC1_CHIPCLKCSR, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4527 | if (err) { |
| 4528 | DHD_ERROR(("%s: error reading CSR: %d\n", __func__, |
| 4529 | err)); |
| 4530 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 4531 | } |
| 4532 | |
| 4533 | DHD_INFO(("DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n", devctl, |
| 4534 | clkctl)); |
| 4535 | |
| 4536 | if (SBSDIO_HTAV(clkctl)) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4537 | devctl = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 4538 | SBSDIO_DEVICE_CTL, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4539 | if (err) { |
| 4540 | DHD_ERROR(("%s: error reading DEVCTL: %d\n", |
| 4541 | __func__, err)); |
| 4542 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 4543 | } |
| 4544 | devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4545 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
| 4546 | SBSDIO_DEVICE_CTL, devctl, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4547 | if (err) { |
| 4548 | DHD_ERROR(("%s: error writing DEVCTL: %d\n", |
| 4549 | __func__, err)); |
| 4550 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 4551 | } |
| 4552 | bus->clkstate = CLK_AVAIL; |
| 4553 | } else { |
| 4554 | goto clkwait; |
| 4555 | } |
| 4556 | } |
| 4557 | |
| 4558 | BUS_WAKE(bus); |
| 4559 | |
| 4560 | /* Make sure backplane clock is on */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4561 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4562 | if (bus->clkstate == CLK_PENDING) |
| 4563 | goto clkwait; |
| 4564 | |
| 4565 | /* Pending interrupt indicates new device status */ |
| 4566 | if (bus->ipend) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 4567 | bus->ipend = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4568 | R_SDREG(newstatus, ®s->intstatus, retries); |
| 4569 | bus->f1regdata++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4570 | if (brcmf_sdcard_regfail(bus->sdh)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4571 | newstatus = 0; |
| 4572 | newstatus &= bus->hostintmask; |
| 4573 | bus->fcstate = !!(newstatus & I_HMB_FC_STATE); |
| 4574 | if (newstatus) { |
| 4575 | W_SDREG(newstatus, ®s->intstatus, retries); |
| 4576 | bus->f1regdata++; |
| 4577 | } |
| 4578 | } |
| 4579 | |
| 4580 | /* Merge new bits with previous */ |
| 4581 | intstatus |= newstatus; |
| 4582 | bus->intstatus = 0; |
| 4583 | |
| 4584 | /* Handle flow-control change: read new state in case our ack |
| 4585 | * crossed another change interrupt. If change still set, assume |
| 4586 | * FC ON for safety, let next loop through do the debounce. |
| 4587 | */ |
| 4588 | if (intstatus & I_HMB_FC_CHANGE) { |
| 4589 | intstatus &= ~I_HMB_FC_CHANGE; |
| 4590 | W_SDREG(I_HMB_FC_CHANGE, ®s->intstatus, retries); |
| 4591 | R_SDREG(newstatus, ®s->intstatus, retries); |
| 4592 | bus->f1regdata += 2; |
| 4593 | bus->fcstate = |
| 4594 | !!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE)); |
| 4595 | intstatus |= (newstatus & bus->hostintmask); |
| 4596 | } |
| 4597 | |
| 4598 | /* Handle host mailbox indication */ |
| 4599 | if (intstatus & I_HMB_HOST_INT) { |
| 4600 | intstatus &= ~I_HMB_HOST_INT; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4601 | intstatus |= brcmf_sdbrcm_hostmail(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4602 | } |
| 4603 | |
| 4604 | /* Generally don't ask for these, can get CRC errors... */ |
| 4605 | if (intstatus & I_WR_OOSYNC) { |
| 4606 | DHD_ERROR(("Dongle reports WR_OOSYNC\n")); |
| 4607 | intstatus &= ~I_WR_OOSYNC; |
| 4608 | } |
| 4609 | |
| 4610 | if (intstatus & I_RD_OOSYNC) { |
| 4611 | DHD_ERROR(("Dongle reports RD_OOSYNC\n")); |
| 4612 | intstatus &= ~I_RD_OOSYNC; |
| 4613 | } |
| 4614 | |
| 4615 | if (intstatus & I_SBINT) { |
| 4616 | DHD_ERROR(("Dongle reports SBINT\n")); |
| 4617 | intstatus &= ~I_SBINT; |
| 4618 | } |
| 4619 | |
| 4620 | /* Would be active due to wake-wlan in gSPI */ |
| 4621 | if (intstatus & I_CHIPACTIVE) { |
| 4622 | DHD_INFO(("Dongle reports CHIPACTIVE\n")); |
| 4623 | intstatus &= ~I_CHIPACTIVE; |
| 4624 | } |
| 4625 | |
| 4626 | /* Ignore frame indications if rxskip is set */ |
| 4627 | if (bus->rxskip) |
| 4628 | intstatus &= ~I_HMB_FRAME_IND; |
| 4629 | |
| 4630 | /* On frame indication, read available frames */ |
| 4631 | if (PKT_AVAILABLE()) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4632 | framecnt = brcmf_sdbrcm_readframes(bus, rxlimit, &rxdone); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4633 | if (rxdone || bus->rxskip) |
| 4634 | intstatus &= ~I_HMB_FRAME_IND; |
Greg Kroah-Hartman | 7068c2f | 2010-10-08 11:34:59 -0700 | [diff] [blame] | 4635 | rxlimit -= min(framecnt, rxlimit); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4636 | } |
| 4637 | |
| 4638 | /* Keep still-pending events for next scheduling */ |
| 4639 | bus->intstatus = intstatus; |
| 4640 | |
| 4641 | clkwait: |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4642 | /* Re-enable interrupts to detect new device events (mailbox, rx frame) |
| 4643 | * or clock availability. (Allows tx loop to check ipend if desired.) |
| 4644 | * (Unless register access seems hosed, as we may not be able to ACK...) |
| 4645 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4646 | if (bus->intr && bus->intdis && !brcmf_sdcard_regfail(sdh)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4647 | DHD_INTR(("%s: enable SDIO interrupts, rxdone %d framecnt %d\n", |
| 4648 | __func__, rxdone, framecnt)); |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 4649 | bus->intdis = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4650 | brcmf_sdcard_intr_enable(sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4651 | } |
| 4652 | |
| 4653 | if (DATAOK(bus) && bus->ctrl_frame_stat && |
| 4654 | (bus->clkstate == CLK_AVAIL)) { |
| 4655 | int ret, i; |
| 4656 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4657 | ret = brcmf_sdbrcm_send_buf(bus, brcmf_sdcard_cur_sbwad(sdh), |
| 4658 | SDIO_FUNC_2, F2SYNC, (u8 *) bus->ctrl_frame_buf, |
| 4659 | (u32) bus->ctrl_frame_len, NULL, NULL, NULL); |
Roland Vossen | b7ef2a9 | 2011-05-03 11:35:02 +0200 | [diff] [blame] | 4660 | ASSERT(ret != -BCME_PENDING); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4661 | |
| 4662 | if (ret < 0) { |
| 4663 | /* On failure, abort the command and |
| 4664 | terminate the frame */ |
| 4665 | DHD_INFO(("%s: sdio error %d, abort command and " |
| 4666 | "terminate frame.\n", __func__, ret)); |
| 4667 | bus->tx_sderrs++; |
| 4668 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4669 | brcmf_sdcard_abort(sdh, SDIO_FUNC_2); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4670 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4671 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4672 | SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM, |
| 4673 | NULL); |
| 4674 | bus->f1regdata++; |
| 4675 | |
| 4676 | for (i = 0; i < 3; i++) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4677 | u8 hi, lo; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4678 | hi = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4679 | SBSDIO_FUNC1_WFRAMEBCHI, |
| 4680 | NULL); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4681 | lo = brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4682 | SBSDIO_FUNC1_WFRAMEBCLO, |
| 4683 | NULL); |
| 4684 | bus->f1regdata += 2; |
| 4685 | if ((hi == 0) && (lo == 0)) |
| 4686 | break; |
| 4687 | } |
| 4688 | |
| 4689 | } |
| 4690 | if (ret == 0) |
| 4691 | bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; |
| 4692 | |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 4693 | DHD_INFO(("Return_dpc value is : %d\n", ret)); |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 4694 | bus->ctrl_frame_stat = false; |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 4695 | brcmf_sdbrcm_wait_event_wakeup(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4696 | } |
| 4697 | /* Send queued frames (limit 1 if rx may still be pending) */ |
| 4698 | else if ((bus->clkstate == CLK_AVAIL) && !bus->fcstate && |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4699 | brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4700 | && DATAOK(bus)) { |
Greg Kroah-Hartman | 7068c2f | 2010-10-08 11:34:59 -0700 | [diff] [blame] | 4701 | framecnt = rxdone ? txlimit : min(txlimit, dhd_txminmax); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4702 | framecnt = brcmf_sdbrcm_sendfromq(bus, framecnt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4703 | txlimit -= framecnt; |
| 4704 | } |
| 4705 | |
| 4706 | /* Resched if events or tx frames are pending, |
| 4707 | else await next interrupt */ |
| 4708 | /* On failed register access, all bets are off: |
| 4709 | no resched or interrupts */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4710 | if ((bus->dhd->busstate == DHD_BUS_DOWN) || brcmf_sdcard_regfail(sdh)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4711 | DHD_ERROR(("%s: failed backplane access over SDIO, halting " |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4712 | "operation %d\n", __func__, brcmf_sdcard_regfail(sdh))); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4713 | bus->dhd->busstate = DHD_BUS_DOWN; |
| 4714 | bus->intstatus = 0; |
| 4715 | } else if (bus->clkstate == CLK_PENDING) { |
| 4716 | DHD_INFO(("%s: rescheduled due to CLK_PENDING awaiting " |
| 4717 | "I_CHIPACTIVE interrupt\n", __func__)); |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4718 | resched = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4719 | } else if (bus->intstatus || bus->ipend || |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4720 | (!bus->fcstate && brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) |
| 4721 | && DATAOK(bus)) || PKT_AVAILABLE()) { |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4722 | resched = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4723 | } |
| 4724 | |
| 4725 | bus->dpc_sched = resched; |
| 4726 | |
| 4727 | /* If we're done for now, turn off clock request. */ |
| 4728 | if ((bus->clkstate != CLK_PENDING) |
| 4729 | && bus->idletime == DHD_IDLE_IMMEDIATE) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 4730 | bus->activity = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4731 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4732 | } |
| 4733 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 4734 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4735 | |
| 4736 | return resched; |
| 4737 | } |
| 4738 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4739 | void brcmf_sdbrcm_isr(void *arg) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4740 | { |
| 4741 | dhd_bus_t *bus = (dhd_bus_t *) arg; |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 4742 | struct brcmf_sdio *sdh; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4743 | |
| 4744 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 4745 | |
| 4746 | if (!bus) { |
| 4747 | DHD_ERROR(("%s : bus is null pointer , exit\n", __func__)); |
| 4748 | return; |
| 4749 | } |
| 4750 | sdh = bus->sdh; |
| 4751 | |
| 4752 | if (bus->dhd->busstate == DHD_BUS_DOWN) { |
| 4753 | DHD_ERROR(("%s : bus is down. we have nothing to do\n", |
| 4754 | __func__)); |
| 4755 | return; |
| 4756 | } |
| 4757 | /* Count the interrupt call */ |
| 4758 | bus->intrcount++; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4759 | bus->ipend = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4760 | |
| 4761 | /* Shouldn't get this interrupt if we're sleeping? */ |
| 4762 | if (bus->sleeping) { |
| 4763 | DHD_ERROR(("INTERRUPT WHILE SLEEPING??\n")); |
| 4764 | return; |
| 4765 | } |
| 4766 | |
| 4767 | /* Disable additional interrupts (is this needed now)? */ |
| 4768 | if (bus->intr) |
| 4769 | DHD_INTR(("%s: disable SDIO interrupts\n", __func__)); |
| 4770 | else |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4771 | DHD_ERROR(("brcmf_sdbrcm_isr() w/o interrupt configured!\n")); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4772 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4773 | brcmf_sdcard_intr_disable(sdh); |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4774 | bus->intdis = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4775 | |
| 4776 | #if defined(SDIO_ISR_THREAD) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4777 | DHD_TRACE(("Calling brcmf_sdbrcm_dpc() from %s\n", __func__)); |
| 4778 | while (brcmf_sdbrcm_dpc(bus)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4779 | ; |
| 4780 | #else |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4781 | bus->dpc_sched = true; |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 4782 | brcmf_sdbrcm_sched_dpc(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4783 | #endif |
| 4784 | |
| 4785 | } |
| 4786 | |
| 4787 | #ifdef SDTEST |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4788 | static void brcmf_sdbrcm_pktgen_init(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4789 | { |
| 4790 | /* Default to specified length, or full range */ |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 4791 | if (brcmf_pktgen_len) { |
| 4792 | bus->pktgen_maxlen = min(brcmf_pktgen_len, |
| 4793 | BRCMF_MAX_PKTGEN_LEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4794 | bus->pktgen_minlen = bus->pktgen_maxlen; |
| 4795 | } else { |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 4796 | bus->pktgen_maxlen = BRCMF_MAX_PKTGEN_LEN; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4797 | bus->pktgen_minlen = 0; |
| 4798 | } |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 4799 | bus->pktgen_len = (u16) bus->pktgen_minlen; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4800 | |
| 4801 | /* Default to per-watchdog burst with 10s print time */ |
| 4802 | bus->pktgen_freq = 1; |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 4803 | bus->pktgen_print = 10000 / brcmf_watchdog_ms; |
| 4804 | bus->pktgen_count = (brcmf_pktgen * brcmf_watchdog_ms + 999) / 1000; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4805 | |
| 4806 | /* Default to echo mode */ |
| 4807 | bus->pktgen_mode = DHD_PKTGEN_ECHO; |
| 4808 | bus->pktgen_stop = 1; |
| 4809 | } |
| 4810 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4811 | static void brcmf_sdbrcm_pktgen(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4812 | { |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 4813 | struct sk_buff *pkt; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4814 | u8 *data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4815 | uint pktcount; |
| 4816 | uint fillbyte; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 4817 | u16 len; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4818 | |
| 4819 | /* Display current count if appropriate */ |
| 4820 | if (bus->pktgen_print && (++bus->pktgen_ptick >= bus->pktgen_print)) { |
| 4821 | bus->pktgen_ptick = 0; |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 4822 | printk(KERN_DEBUG "%s: send attempts %d rcvd %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4823 | __func__, bus->pktgen_sent, bus->pktgen_rcvd); |
| 4824 | } |
| 4825 | |
| 4826 | /* For recv mode, just make sure dongle has started sending */ |
| 4827 | if (bus->pktgen_mode == DHD_PKTGEN_RECV) { |
| 4828 | if (!bus->pktgen_rcvd) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4829 | brcmf_sdbrcm_sdtest_set(bus, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4830 | return; |
| 4831 | } |
| 4832 | |
| 4833 | /* Otherwise, generate or request the specified number of packets */ |
| 4834 | for (pktcount = 0; pktcount < bus->pktgen_count; pktcount++) { |
| 4835 | /* Stop if total has been reached */ |
| 4836 | if (bus->pktgen_total |
| 4837 | && (bus->pktgen_sent >= bus->pktgen_total)) { |
| 4838 | bus->pktgen_count = 0; |
| 4839 | break; |
| 4840 | } |
| 4841 | |
| 4842 | /* Allocate an appropriate-sized packet */ |
| 4843 | len = bus->pktgen_len; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4844 | pkt = brcmu_pkt_buf_get_skb( |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4845 | (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + BRCMF_SDALIGN), |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 4846 | true); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 4847 | if (!pkt) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4848 | DHD_ERROR(("%s: brcmu_pkt_buf_get_skb failed!\n", |
| 4849 | __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4850 | break; |
| 4851 | } |
Arend van Spriel | 3c9d4c3 | 2011-03-02 21:18:48 +0100 | [diff] [blame] | 4852 | PKTALIGN(pkt, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4853 | BRCMF_SDALIGN); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4854 | data = (u8 *) (pkt->data) + SDPCM_HDRLEN; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4855 | |
| 4856 | /* Write test header cmd and extra based on mode */ |
| 4857 | switch (bus->pktgen_mode) { |
| 4858 | case DHD_PKTGEN_ECHO: |
| 4859 | *data++ = SDPCM_TEST_ECHOREQ; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4860 | *data++ = (u8) bus->pktgen_sent; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4861 | break; |
| 4862 | |
| 4863 | case DHD_PKTGEN_SEND: |
| 4864 | *data++ = SDPCM_TEST_DISCARD; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4865 | *data++ = (u8) bus->pktgen_sent; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4866 | break; |
| 4867 | |
| 4868 | case DHD_PKTGEN_RXBURST: |
| 4869 | *data++ = SDPCM_TEST_BURST; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4870 | *data++ = (u8) bus->pktgen_count; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4871 | break; |
| 4872 | |
| 4873 | default: |
| 4874 | DHD_ERROR(("Unrecognized pktgen mode %d\n", |
| 4875 | bus->pktgen_mode)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4876 | brcmu_pkt_buf_free_skb(pkt, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4877 | bus->pktgen_count = 0; |
| 4878 | return; |
| 4879 | } |
| 4880 | |
| 4881 | /* Write test header length field */ |
| 4882 | *data++ = (len >> 0); |
| 4883 | *data++ = (len >> 8); |
| 4884 | |
| 4885 | /* Then fill in the remainder -- N/A for burst, |
| 4886 | but who cares... */ |
| 4887 | for (fillbyte = 0; fillbyte < len; fillbyte++) |
| 4888 | *data++ = |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4889 | SDPCM_TEST_FILL(fillbyte, (u8) bus->pktgen_sent); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4890 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 4891 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4892 | if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4893 | data = (u8 *) (pkt->data) + SDPCM_HDRLEN; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4894 | printk(KERN_DEBUG "brcmf_sdbrcm_pktgen: Tx Data:\n"); |
Arend van Spriel | 3422731 | 2011-05-10 22:25:32 +0200 | [diff] [blame] | 4895 | print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, data, |
| 4896 | pkt->len - SDPCM_HDRLEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4897 | } |
| 4898 | #endif |
| 4899 | |
| 4900 | /* Send it */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4901 | if (brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_TEST_CHANNEL, true)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4902 | bus->pktgen_fail++; |
| 4903 | if (bus->pktgen_stop |
| 4904 | && bus->pktgen_stop == bus->pktgen_fail) |
| 4905 | bus->pktgen_count = 0; |
| 4906 | } |
| 4907 | bus->pktgen_sent++; |
| 4908 | |
| 4909 | /* Bump length if not fixed, wrap at max */ |
| 4910 | if (++bus->pktgen_len > bus->pktgen_maxlen) |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 4911 | bus->pktgen_len = (u16) bus->pktgen_minlen; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4912 | |
| 4913 | /* Special case for burst mode: just send one request! */ |
| 4914 | if (bus->pktgen_mode == DHD_PKTGEN_RXBURST) |
| 4915 | break; |
| 4916 | } |
| 4917 | } |
| 4918 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4919 | static void brcmf_sdbrcm_sdtest_set(dhd_bus_t *bus, bool start) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4920 | { |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 4921 | struct sk_buff *pkt; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4922 | u8 *data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4923 | |
| 4924 | /* Allocate the packet */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4925 | pkt = brcmu_pkt_buf_get_skb(SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4926 | BRCMF_SDALIGN, true); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 4927 | if (!pkt) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4928 | DHD_ERROR(("%s: brcmu_pkt_buf_get_skb failed!\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4929 | return; |
| 4930 | } |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 4931 | PKTALIGN(pkt, (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), BRCMF_SDALIGN); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4932 | data = (u8 *) (pkt->data) + SDPCM_HDRLEN; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4933 | |
| 4934 | /* Fill in the test header */ |
| 4935 | *data++ = SDPCM_TEST_SEND; |
| 4936 | *data++ = start; |
| 4937 | *data++ = (bus->pktgen_maxlen >> 0); |
| 4938 | *data++ = (bus->pktgen_maxlen >> 8); |
| 4939 | |
| 4940 | /* Send it */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4941 | if (brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_TEST_CHANNEL, true)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4942 | bus->pktgen_fail++; |
| 4943 | } |
| 4944 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4945 | static void |
| 4946 | brcmf_sdbrcm_checkdied(dhd_bus_t *bus, struct sk_buff *pkt, uint seq) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4947 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4948 | u8 *data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4949 | uint pktlen; |
| 4950 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 4951 | u8 cmd; |
| 4952 | u8 extra; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 4953 | u16 len; |
| 4954 | u16 offset; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4955 | |
| 4956 | /* Check for min length */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4957 | pktlen = pkt->len; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4958 | if (pktlen < SDPCM_TEST_HDRLEN) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4959 | DHD_ERROR(("brcmf_sdbrcm_checkdied: toss runt frame, pktlen " |
| 4960 | "%d\n", pktlen)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4961 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4962 | return; |
| 4963 | } |
| 4964 | |
| 4965 | /* Extract header fields */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4966 | data = pkt->data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4967 | cmd = *data++; |
| 4968 | extra = *data++; |
| 4969 | len = *data++; |
| 4970 | len += *data++ << 8; |
| 4971 | |
| 4972 | /* Check length for relevant commands */ |
| 4973 | if (cmd == SDPCM_TEST_DISCARD || cmd == SDPCM_TEST_ECHOREQ |
| 4974 | || cmd == SDPCM_TEST_ECHORSP) { |
| 4975 | if (pktlen != len + SDPCM_TEST_HDRLEN) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4976 | DHD_ERROR(("brcmf_sdbrcm_checkdied: frame length " |
| 4977 | "mismatch, pktlen %d seq %d" " cmd %d extra %d " |
| 4978 | "len %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4979 | pktlen, seq, cmd, extra, len)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4980 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4981 | return; |
| 4982 | } |
| 4983 | } |
| 4984 | |
| 4985 | /* Process as per command */ |
| 4986 | switch (cmd) { |
| 4987 | case SDPCM_TEST_ECHOREQ: |
| 4988 | /* Rx->Tx turnaround ok (even on NDIS w/current |
| 4989 | implementation) */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 4990 | *(u8 *) (pkt->data) = SDPCM_TEST_ECHORSP; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4991 | if (brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_TEST_CHANNEL, true) == 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4992 | bus->pktgen_sent++; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 4993 | else { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4994 | bus->pktgen_fail++; |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 4995 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 4996 | } |
| 4997 | bus->pktgen_rcvd++; |
| 4998 | break; |
| 4999 | |
| 5000 | case SDPCM_TEST_ECHORSP: |
| 5001 | if (bus->ext_loop) { |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 5002 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5003 | bus->pktgen_rcvd++; |
| 5004 | break; |
| 5005 | } |
| 5006 | |
| 5007 | for (offset = 0; offset < len; offset++, data++) { |
| 5008 | if (*data != SDPCM_TEST_FILL(offset, extra)) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5009 | DHD_ERROR(("brcmf_sdbrcm_checkdied: echo data " |
| 5010 | "mismatch: " "offset %d (len %d) " |
| 5011 | "expect 0x%02x rcvd 0x%02x\n", |
| 5012 | offset, len, |
| 5013 | SDPCM_TEST_FILL(offset, extra), |
| 5014 | *data)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5015 | break; |
| 5016 | } |
| 5017 | } |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 5018 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5019 | bus->pktgen_rcvd++; |
| 5020 | break; |
| 5021 | |
| 5022 | case SDPCM_TEST_DISCARD: |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 5023 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5024 | bus->pktgen_rcvd++; |
| 5025 | break; |
| 5026 | |
| 5027 | case SDPCM_TEST_BURST: |
| 5028 | case SDPCM_TEST_SEND: |
| 5029 | default: |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5030 | DHD_INFO(("brcmf_sdbrcm_checkdied: unsupported or unknown " |
| 5031 | "command, pktlen %d seq %d" " cmd %d extra %d len %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5032 | pktlen, seq, cmd, extra, len)); |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 5033 | brcmu_pkt_buf_free_skb(pkt, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5034 | break; |
| 5035 | } |
| 5036 | |
| 5037 | /* For recv mode, stop at limie (and tell dongle to stop sending) */ |
| 5038 | if (bus->pktgen_mode == DHD_PKTGEN_RECV) { |
| 5039 | if (bus->pktgen_total |
| 5040 | && (bus->pktgen_rcvd >= bus->pktgen_total)) { |
| 5041 | bus->pktgen_count = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5042 | brcmf_sdbrcm_sdtest_set(bus, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5043 | } |
| 5044 | } |
| 5045 | } |
| 5046 | #endif /* SDTEST */ |
| 5047 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5048 | extern bool brcmf_sdbrcm_bus_watchdog(dhd_pub_t *dhdp) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5049 | { |
| 5050 | dhd_bus_t *bus; |
| 5051 | |
| 5052 | DHD_TIMER(("%s: Enter\n", __func__)); |
| 5053 | |
| 5054 | bus = dhdp->bus; |
| 5055 | |
| 5056 | if (bus->dhd->dongle_reset) |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5057 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5058 | |
| 5059 | /* Ignore the timer if simulating bus down */ |
| 5060 | if (bus->sleeping) |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5061 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5062 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 5063 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5064 | |
| 5065 | /* Poll period: check device if appropriate. */ |
| 5066 | if (bus->poll && (++bus->polltick >= bus->pollrate)) { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 5067 | u32 intstatus = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5068 | |
| 5069 | /* Reset poll tick */ |
| 5070 | bus->polltick = 0; |
| 5071 | |
| 5072 | /* Check device if no interrupts */ |
| 5073 | if (!bus->intr || (bus->intrcount == bus->lastintrs)) { |
| 5074 | |
| 5075 | if (!bus->dpc_sched) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 5076 | u8 devpend; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5077 | devpend = brcmf_sdcard_cfg_read(bus->sdh, |
| 5078 | SDIO_FUNC_0, SDIO_CCCR_INTx, |
| 5079 | NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5080 | intstatus = |
| 5081 | devpend & (INTR_STATUS_FUNC1 | |
| 5082 | INTR_STATUS_FUNC2); |
| 5083 | } |
| 5084 | |
| 5085 | /* If there is something, make like the ISR and |
| 5086 | schedule the DPC */ |
| 5087 | if (intstatus) { |
| 5088 | bus->pollcnt++; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5089 | bus->ipend = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5090 | if (bus->intr) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5091 | brcmf_sdcard_intr_disable(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5092 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5093 | bus->dpc_sched = true; |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 5094 | brcmf_sdbrcm_sched_dpc(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5095 | |
| 5096 | } |
| 5097 | } |
| 5098 | |
| 5099 | /* Update interrupt tracking */ |
| 5100 | bus->lastintrs = bus->intrcount; |
| 5101 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 5102 | #ifdef BCMDBG |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5103 | /* Poll for console output periodically */ |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 5104 | if (dhdp->busstate == DHD_BUS_DATA && brcmf_console_ms != 0) { |
| 5105 | bus->console.count += brcmf_watchdog_ms; |
| 5106 | if (bus->console.count >= brcmf_console_ms) { |
| 5107 | bus->console.count -= brcmf_console_ms; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5108 | /* Make sure backplane clock is on */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5109 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
| 5110 | if (brcmf_sdbrcm_readconsole(bus) < 0) |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 5111 | brcmf_console_ms = 0; /* On error, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5112 | stop trying */ |
| 5113 | } |
| 5114 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 5115 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5116 | |
| 5117 | #ifdef SDTEST |
| 5118 | /* Generate packets if configured */ |
| 5119 | if (bus->pktgen_count && (++bus->pktgen_tick >= bus->pktgen_freq)) { |
| 5120 | /* Make sure backplane clock is on */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5121 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5122 | bus->pktgen_tick = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5123 | brcmf_sdbrcm_pktgen(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5124 | } |
| 5125 | #endif |
| 5126 | |
| 5127 | /* On idle timeout clear activity flag and/or turn off clock */ |
| 5128 | if ((bus->idletime > 0) && (bus->clkstate == CLK_AVAIL)) { |
| 5129 | if (++bus->idlecount >= bus->idletime) { |
| 5130 | bus->idlecount = 0; |
| 5131 | if (bus->activity) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5132 | bus->activity = false; |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 5133 | brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5134 | } else { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5135 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5136 | } |
| 5137 | } |
| 5138 | } |
| 5139 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 5140 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5141 | |
| 5142 | return bus->ipend; |
| 5143 | } |
| 5144 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 5145 | #ifdef BCMDBG |
Franky Lin | 913af5f | 2011-06-29 16:47:44 -0700 | [diff] [blame] | 5146 | static int brcmf_sdbrcm_bus_console_in(dhd_pub_t *dhdp, unsigned char *msg, |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5147 | uint msglen) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5148 | { |
| 5149 | dhd_bus_t *bus = dhdp->bus; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 5150 | u32 addr, val; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5151 | int rv; |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 5152 | struct sk_buff *pkt; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5153 | |
| 5154 | /* Address could be zero if CONSOLE := 0 in dongle Makefile */ |
| 5155 | if (bus->console_addr == 0) |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 5156 | return -ENOTSUPP; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5157 | |
| 5158 | /* Exclusive bus access */ |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 5159 | brcmf_sdbrcm_sdlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5160 | |
| 5161 | /* Don't allow input if dongle is in reset */ |
| 5162 | if (bus->dhd->dongle_reset) { |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 5163 | brcmf_sdbrcm_sdunlock(bus); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 5164 | return -EPERM; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5165 | } |
| 5166 | |
| 5167 | /* Request clock to allow SDIO accesses */ |
| 5168 | BUS_WAKE(bus); |
| 5169 | /* No pend allowed since txpkt is called later, ht clk has to be on */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5170 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5171 | |
| 5172 | /* Zero cbuf_index */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 5173 | addr = bus->console_addr + offsetof(struct rte_console, cbuf_idx); |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 5174 | val = cpu_to_le32(0); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5175 | rv = brcmf_sdbrcm_membytes(bus, true, addr, (u8 *)&val, sizeof(val)); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 5176 | if (rv < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5177 | goto done; |
| 5178 | |
| 5179 | /* Write message into cbuf */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 5180 | addr = bus->console_addr + offsetof(struct rte_console, cbuf); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5181 | rv = brcmf_sdbrcm_membytes(bus, true, addr, (u8 *)msg, msglen); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 5182 | if (rv < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5183 | goto done; |
| 5184 | |
| 5185 | /* Write length into vcons_in */ |
Roland Vossen | 5185125 | 2011-06-29 16:47:24 -0700 | [diff] [blame] | 5186 | addr = bus->console_addr + offsetof(struct rte_console, vcons_in); |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 5187 | val = cpu_to_le32(msglen); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5188 | rv = brcmf_sdbrcm_membytes(bus, true, addr, (u8 *)&val, sizeof(val)); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 5189 | if (rv < 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5190 | goto done; |
| 5191 | |
| 5192 | /* Bump dongle by sending an empty event pkt. |
| 5193 | * sdpcm_sendup (RX) checks for virtual console input. |
| 5194 | */ |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 5195 | pkt = brcmu_pkt_buf_get_skb(4 + SDPCM_RESERVE); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 5196 | if ((pkt != NULL) && bus->clkstate == CLK_AVAIL) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5197 | brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_EVENT_CHANNEL, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5198 | |
| 5199 | done: |
| 5200 | if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5201 | bus->activity = false; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5202 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, true); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5203 | } |
| 5204 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 5205 | brcmf_sdbrcm_sdunlock(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5206 | |
| 5207 | return rv; |
| 5208 | } |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 5209 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5210 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5211 | static bool brcmf_sdbrcm_chipmatch(u16 chipid) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5212 | { |
| 5213 | if (chipid == BCM4325_CHIP_ID) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5214 | return true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5215 | if (chipid == BCM4329_CHIP_ID) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5216 | return true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5217 | if (chipid == BCM4319_CHIP_ID) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5218 | return true; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5219 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5220 | } |
| 5221 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5222 | static void *brcmf_sdbrcm_probe(u16 venid, u16 devid, u16 bus_no, |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 5223 | u16 slot, u16 func, uint bustype, void *regsva, |
Arend van Spriel | 3c9d4c3 | 2011-03-02 21:18:48 +0100 | [diff] [blame] | 5224 | void *sdh) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5225 | { |
| 5226 | int ret; |
| 5227 | dhd_bus_t *bus; |
| 5228 | |
| 5229 | /* Init global variables at run-time, not as part of the declaration. |
| 5230 | * This is required to support init/de-init of the driver. |
| 5231 | * Initialization |
| 5232 | * of globals as part of the declaration results in non-deterministic |
| 5233 | * behavior since the value of the globals may be different on the |
| 5234 | * first time that the driver is initialized vs subsequent |
| 5235 | * initializations. |
| 5236 | */ |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 5237 | brcmf_txbound = DHD_TXBOUND; |
| 5238 | brcmf_rxbound = DHD_RXBOUND; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5239 | dhd_alignctl = true; |
| 5240 | sd1idle = true; |
| 5241 | dhd_readahead = true; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5242 | retrydata = false; |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 5243 | brcmf_dongle_memsize = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5244 | dhd_txminmax = DHD_TXMINMAX; |
| 5245 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5246 | forcealign = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5247 | |
Arend van Spriel | aba5e0a | 2011-06-29 16:47:03 -0700 | [diff] [blame] | 5248 | brcmf_c_init(); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5249 | |
| 5250 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5251 | DHD_INFO(("%s: venid 0x%04x devid 0x%04x\n", __func__, venid, devid)); |
| 5252 | |
| 5253 | /* We make assumptions about address window mappings */ |
Greg Kroah-Hartman | f024c48 | 2010-10-21 10:50:21 -0700 | [diff] [blame] | 5254 | ASSERT((unsigned long)regsva == SI_ENUM_BASE); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5255 | |
| 5256 | /* BCMSDH passes venid and devid based on CIS parsing -- but |
| 5257 | * low-power start |
| 5258 | * means early parse could fail, so here we should get either an ID |
| 5259 | * we recognize OR (-1) indicating we must request power first. |
| 5260 | */ |
| 5261 | /* Check the Vendor ID */ |
| 5262 | switch (venid) { |
| 5263 | case 0x0000: |
Stanislav Fomichev | be1c09f | 2011-03-28 01:31:36 +0400 | [diff] [blame] | 5264 | case PCI_VENDOR_ID_BROADCOM: |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5265 | break; |
| 5266 | default: |
| 5267 | DHD_ERROR(("%s: unknown vendor: 0x%04x\n", __func__, venid)); |
| 5268 | return NULL; |
| 5269 | } |
| 5270 | |
| 5271 | /* Check the Device ID and make sure it's one that we support */ |
| 5272 | switch (devid) { |
| 5273 | case BCM4325_D11DUAL_ID: /* 4325 802.11a/g id */ |
| 5274 | case BCM4325_D11G_ID: /* 4325 802.11g 2.4Ghz band id */ |
| 5275 | case BCM4325_D11A_ID: /* 4325 802.11a 5Ghz band id */ |
| 5276 | DHD_INFO(("%s: found 4325 Dongle\n", __func__)); |
| 5277 | break; |
| 5278 | case BCM4329_D11NDUAL_ID: /* 4329 802.11n dualband device */ |
| 5279 | case BCM4329_D11N2G_ID: /* 4329 802.11n 2.4G device */ |
| 5280 | case BCM4329_D11N5G_ID: /* 4329 802.11n 5G device */ |
| 5281 | case 0x4329: |
| 5282 | DHD_INFO(("%s: found 4329 Dongle\n", __func__)); |
| 5283 | break; |
| 5284 | case BCM4319_D11N_ID: /* 4319 802.11n id */ |
| 5285 | case BCM4319_D11N2G_ID: /* 4319 802.11n2g id */ |
| 5286 | case BCM4319_D11N5G_ID: /* 4319 802.11n5g id */ |
| 5287 | DHD_INFO(("%s: found 4319 Dongle\n", __func__)); |
| 5288 | break; |
| 5289 | case 0: |
| 5290 | DHD_INFO(("%s: allow device id 0, will check chip internals\n", |
| 5291 | __func__)); |
| 5292 | break; |
| 5293 | |
| 5294 | default: |
| 5295 | DHD_ERROR(("%s: skipping 0x%04x/0x%04x, not a dongle\n", |
| 5296 | __func__, venid, devid)); |
| 5297 | return NULL; |
| 5298 | } |
| 5299 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5300 | /* Allocate private bus interface state */ |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5301 | bus = kzalloc(sizeof(dhd_bus_t), GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5302 | if (!bus) { |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5303 | DHD_ERROR(("%s: kmalloc of dhd_bus_t failed\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5304 | goto fail; |
| 5305 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5306 | bus->sdh = sdh; |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 5307 | bus->cl_devid = (u16) devid; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5308 | bus->bus = DHD_BUS; |
| 5309 | bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5310 | bus->usebufpool = false; /* Use bufpool if allocated, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5311 | else use locally malloced rxbuf */ |
| 5312 | |
| 5313 | /* attempt to attach to the dongle */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5314 | if (!(brcmf_sdbrcm_probe_attach(bus, sdh, regsva, devid))) { |
| 5315 | DHD_ERROR(("%s: brcmf_sdbrcm_probe_attach failed\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5316 | goto fail; |
| 5317 | } |
| 5318 | |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 5319 | spin_lock_init(&bus->txqlock); |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 5320 | init_waitqueue_head(&bus->ctrl_wait); |
Franky Lin | 0f1a87c | 2011-06-29 16:46:32 -0700 | [diff] [blame] | 5321 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 5322 | /* Set up the watchdog timer */ |
| 5323 | init_timer(&bus->timer); |
| 5324 | bus->timer.data = (unsigned long)bus; |
| 5325 | bus->timer.function = brcmf_sdbrcm_watchdog; |
| 5326 | |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 5327 | /* Initialize thread based operation and lock */ |
| 5328 | if ((brcmf_watchdog_prio >= 0) && (brcmf_dpc_prio >= 0)) { |
| 5329 | bus->threads_only = true; |
| 5330 | sema_init(&bus->sdsem, 1); |
| 5331 | } else { |
| 5332 | bus->threads_only = false; |
| 5333 | spin_lock_init(&bus->sdlock); |
| 5334 | } |
| 5335 | |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 5336 | if (brcmf_dpc_prio >= 0) { |
| 5337 | /* Initialize watchdog thread */ |
| 5338 | init_completion(&bus->watchdog_wait); |
| 5339 | bus->watchdog_tsk = kthread_run(brcmf_sdbrcm_watchdog_thread, |
| 5340 | bus, "brcmf_watchdog"); |
| 5341 | if (IS_ERR(bus->watchdog_tsk)) { |
| 5342 | printk(KERN_WARNING |
| 5343 | "brcmf_watchdog thread failed to start\n"); |
| 5344 | bus->watchdog_tsk = NULL; |
| 5345 | } |
| 5346 | } else |
| 5347 | bus->watchdog_tsk = NULL; |
| 5348 | |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 5349 | /* Set up the bottom half handler */ |
| 5350 | if (brcmf_dpc_prio >= 0) { |
| 5351 | /* Initialize DPC thread */ |
| 5352 | init_completion(&bus->dpc_wait); |
| 5353 | bus->dpc_tsk = kthread_run(brcmf_sdbrcm_dpc_thread, |
| 5354 | bus, "dhd_dpc"); |
| 5355 | if (IS_ERR(bus->dpc_tsk)) { |
| 5356 | printk(KERN_WARNING |
| 5357 | "dhd_dpc thread failed to start\n"); |
| 5358 | bus->dpc_tsk = NULL; |
| 5359 | } |
| 5360 | } else { |
| 5361 | tasklet_init(&bus->tasklet, brcmf_sdbrcm_dpc_tasklet, |
| 5362 | (unsigned long)bus); |
| 5363 | bus->dpc_tsk = NULL; |
| 5364 | } |
| 5365 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5366 | /* Attach to the dhd/OS/network interface */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5367 | bus->dhd = brcmf_attach(bus, SDPCM_RESERVE); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5368 | if (!bus->dhd) { |
| 5369 | DHD_ERROR(("%s: dhd_attach failed\n", __func__)); |
| 5370 | goto fail; |
| 5371 | } |
| 5372 | |
| 5373 | /* Allocate buffers */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5374 | if (!(brcmf_sdbrcm_probe_malloc(bus, sdh))) { |
| 5375 | DHD_ERROR(("%s: brcmf_sdbrcm_probe_malloc failed\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5376 | goto fail; |
| 5377 | } |
| 5378 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5379 | if (!(brcmf_sdbrcm_probe_init(bus, sdh))) { |
| 5380 | DHD_ERROR(("%s: brcmf_sdbrcm_probe_init failed\n", __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5381 | goto fail; |
| 5382 | } |
| 5383 | |
| 5384 | /* Register interrupt callback, but mask it (not operational yet). */ |
| 5385 | DHD_INTR(("%s: disable SDIO interrupts (not interested yet)\n", |
| 5386 | __func__)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5387 | brcmf_sdcard_intr_disable(sdh); |
| 5388 | ret = brcmf_sdcard_intr_reg(sdh, brcmf_sdbrcm_isr, bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5389 | if (ret != 0) { |
| 5390 | DHD_ERROR(("%s: FAILED: bcmsdh_intr_reg returned %d\n", |
| 5391 | __func__, ret)); |
| 5392 | goto fail; |
| 5393 | } |
| 5394 | DHD_INTR(("%s: registered SDIO interrupt function ok\n", __func__)); |
| 5395 | |
| 5396 | DHD_INFO(("%s: completed!!\n", __func__)); |
| 5397 | |
| 5398 | /* if firmware path present try to download and bring up bus */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5399 | ret = brcmf_bus_start(bus->dhd); |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 5400 | if (ret != 0) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 5401 | if (ret == -ENOLINK) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5402 | DHD_ERROR(("%s: dongle is not responding\n", __func__)); |
| 5403 | goto fail; |
| 5404 | } |
| 5405 | } |
| 5406 | /* Ok, have the per-port tell the stack we're open for business */ |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5407 | if (brcmf_net_attach(bus->dhd, 0) != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5408 | DHD_ERROR(("%s: Net attach failed!!\n", __func__)); |
| 5409 | goto fail; |
| 5410 | } |
| 5411 | |
| 5412 | return bus; |
| 5413 | |
| 5414 | fail: |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5415 | brcmf_sdbrcm_release(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5416 | return NULL; |
| 5417 | } |
| 5418 | |
| 5419 | static bool |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5420 | brcmf_sdbrcm_probe_attach(struct dhd_bus *bus, void *sdh, void *regsva, |
| 5421 | u16 devid) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5422 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 5423 | u8 clkctl = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5424 | int err = 0; |
| 5425 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5426 | bus->alp_only = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5427 | |
| 5428 | /* Return the window to backplane enumeration space for core access */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5429 | if (brcmf_sdbrcm_set_siaddr_window(bus, SI_ENUM_BASE)) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5430 | DHD_ERROR(("%s: FAILED to return to SI_ENUM_BASE\n", __func__)); |
| 5431 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 5432 | #ifdef BCMDBG |
Arend van Spriel | 0bef774 | 2011-02-10 12:03:44 +0100 | [diff] [blame] | 5433 | printk(KERN_DEBUG "F1 signature read @0x18000000=0x%4x\n", |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5434 | brcmf_sdcard_reg_read(bus->sdh, SI_ENUM_BASE, 4)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5435 | |
Arend van Spriel | 762c2a3 | 2011-06-29 16:47:35 -0700 | [diff] [blame] | 5436 | #endif /* BCMDBG */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5437 | |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 5438 | /* |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5439 | * Force PLL off until brcmf_sdbrcm_chip_attach() |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 5440 | * programs PLL control regs |
| 5441 | */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5442 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5443 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5444 | DHD_INIT_CLKCTL1, &err); |
| 5445 | if (!err) |
| 5446 | clkctl = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5447 | brcmf_sdcard_cfg_read(sdh, SDIO_FUNC_1, |
| 5448 | SBSDIO_FUNC1_CHIPCLKCSR, &err); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5449 | |
| 5450 | if (err || ((clkctl & ~SBSDIO_AVBITS) != DHD_INIT_CLKCTL1)) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5451 | DHD_ERROR(("brcmf_sdbrcm_probe: ChipClkCSR access: err %d wrote" |
| 5452 | " 0x%02x read 0x%02x\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5453 | err, DHD_INIT_CLKCTL1, clkctl)); |
| 5454 | goto fail; |
| 5455 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5456 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5457 | if (brcmf_sdbrcm_chip_attach(bus, regsva)) { |
| 5458 | DHD_ERROR(("%s: brcmf_sdbrcm_chip_attach failed!\n", __func__)); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 5459 | goto fail; |
| 5460 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5461 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5462 | brcmf_sdcard_chipinfo(sdh, bus->ci->chip, bus->ci->chiprev); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5463 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5464 | if (!brcmf_sdbrcm_chipmatch((u16) bus->ci->chip)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5465 | DHD_ERROR(("%s: unsupported chip: 0x%04x\n", |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 5466 | __func__, bus->ci->chip)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5467 | goto fail; |
| 5468 | } |
| 5469 | |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 5470 | brcmf_sdbrcm_sdiod_drive_strength_init(bus, brcmf_sdiod_drive_strength); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5471 | |
| 5472 | /* Get info on the ARM and SOCRAM cores... */ |
| 5473 | if (!DHD_NOPMU(bus)) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5474 | bus->armrev = SBCOREREV(brcmf_sdcard_reg_read(bus->sdh, |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 5475 | CORE_SB(bus->ci->armcorebase, sbidhigh), 4)); |
| 5476 | bus->orig_ramsize = bus->ci->ramsize; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5477 | if (!(bus->orig_ramsize)) { |
| 5478 | DHD_ERROR(("%s: failed to find SOCRAM memory!\n", |
| 5479 | __func__)); |
| 5480 | goto fail; |
| 5481 | } |
| 5482 | bus->ramsize = bus->orig_ramsize; |
Arend van Spriel | 7af9d0c | 2011-06-29 16:47:19 -0700 | [diff] [blame] | 5483 | if (brcmf_dongle_memsize) |
| 5484 | brcmf_sdbrcm_setmemsize(bus, brcmf_dongle_memsize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5485 | |
| 5486 | DHD_ERROR(("DHD: dongle ram size is set to %d(orig %d)\n", |
| 5487 | bus->ramsize, bus->orig_ramsize)); |
| 5488 | } |
| 5489 | |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 5490 | bus->regs = (void *)bus->ci->buscorebase; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5491 | |
| 5492 | /* Set core control so an SDIO reset does a backplane reset */ |
Arend van Spriel | ff31c54 | 2011-03-01 10:56:54 +0100 | [diff] [blame] | 5493 | OR_REG(&bus->regs->corecontrol, CC_BPRESEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5494 | |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 5495 | brcmu_pktq_init(&bus->txq, (PRIOMASK + 1), TXQLEN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5496 | |
| 5497 | /* Locate an appropriately-aligned portion of hdrbuf */ |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5498 | bus->rxhdr = (u8 *) roundup((unsigned long)&bus->hdrbuf[0], BRCMF_SDALIGN); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5499 | |
| 5500 | /* Set the poll and/or interrupt flags */ |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 5501 | bus->intr = (bool) brcmf_intr; |
| 5502 | bus->poll = (bool) brcmf_poll; |
Jason Cooper | 9b89032 | 2010-09-30 15:15:39 -0400 | [diff] [blame] | 5503 | if (bus->poll) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5504 | bus->pollrate = 1; |
| 5505 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5506 | return true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5507 | |
| 5508 | fail: |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5509 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5510 | } |
| 5511 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5512 | static bool brcmf_sdbrcm_probe_malloc(dhd_bus_t *bus, void *sdh) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5513 | { |
| 5514 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5515 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5516 | if (bus->dhd->maxctl) { |
| 5517 | bus->rxblen = |
Greg Kroah-Hartman | e18d531 | 2010-10-08 11:59:06 -0700 | [diff] [blame] | 5518 | roundup((bus->dhd->maxctl + SDPCM_HDRLEN), |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5519 | ALIGNMENT) + BRCMF_SDALIGN; |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5520 | bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5521 | if (!(bus->rxbuf)) { |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5522 | DHD_ERROR(("%s: kmalloc of %d-byte rxbuf failed\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5523 | __func__, bus->rxblen)); |
| 5524 | goto fail; |
| 5525 | } |
| 5526 | } |
| 5527 | |
| 5528 | /* Allocate buffer to receive glomed packet */ |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5529 | bus->databuf = kmalloc(MAX_DATA_BUF, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5530 | if (!(bus->databuf)) { |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5531 | DHD_ERROR(("%s: kmalloc of %d-byte databuf failed\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5532 | __func__, MAX_DATA_BUF)); |
| 5533 | /* release rxbuf which was already located as above */ |
| 5534 | if (!bus->rxblen) |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 5535 | kfree(bus->rxbuf); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5536 | goto fail; |
| 5537 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5538 | |
| 5539 | /* Align the buffer */ |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5540 | if ((unsigned long)bus->databuf % BRCMF_SDALIGN) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5541 | bus->dataptr = |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5542 | bus->databuf + (BRCMF_SDALIGN - |
| 5543 | ((unsigned long)bus->databuf % BRCMF_SDALIGN)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5544 | else |
| 5545 | bus->dataptr = bus->databuf; |
| 5546 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5547 | return true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5548 | |
| 5549 | fail: |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5550 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5551 | } |
| 5552 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5553 | static bool brcmf_sdbrcm_probe_init(dhd_bus_t *bus, void *sdh) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5554 | { |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 5555 | s32 fnum; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5556 | |
| 5557 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5558 | |
| 5559 | #ifdef SDTEST |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5560 | brcmf_sdbrcm_pktgen_init(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5561 | #endif /* SDTEST */ |
| 5562 | |
| 5563 | /* Disable F2 to clear any intermediate frame state on the dongle */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5564 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_0, SDIO_CCCR_IOEx, |
| 5565 | SDIO_FUNC_ENABLE_1, NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5566 | |
| 5567 | bus->dhd->busstate = DHD_BUS_DOWN; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5568 | bus->sleeping = false; |
| 5569 | bus->rxflow = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5570 | bus->prev_rxlim_hit = 0; |
| 5571 | |
| 5572 | /* Done with backplane-dependent accesses, can drop clock... */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5573 | brcmf_sdcard_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, 0, |
| 5574 | NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5575 | |
| 5576 | /* ...and initialize clock/power states */ |
| 5577 | bus->clkstate = CLK_SDONLY; |
Arend van Spriel | 5e92aa8 | 2011-06-29 16:47:08 -0700 | [diff] [blame] | 5578 | bus->idletime = (s32) brcmf_idletime; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5579 | bus->idleclock = DHD_IDLE_ACTIVE; |
| 5580 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5581 | /* Query the F2 block size, set roundup accordingly */ |
| 5582 | fnum = 2; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5583 | if (brcmf_sdcard_iovar_op(sdh, "sd_blocksize", &fnum, sizeof(s32), |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 5584 | &bus->blocksize, sizeof(s32), false) != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5585 | bus->blocksize = 0; |
| 5586 | DHD_ERROR(("%s: fail on %s get\n", __func__, "sd_blocksize")); |
| 5587 | } else { |
| 5588 | DHD_INFO(("%s: Initial value for %s is %d\n", |
| 5589 | __func__, "sd_blocksize", bus->blocksize)); |
| 5590 | } |
Greg Kroah-Hartman | 7068c2f | 2010-10-08 11:34:59 -0700 | [diff] [blame] | 5591 | bus->roundup = min(max_roundup, bus->blocksize); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5592 | |
| 5593 | /* Query if bus module supports packet chaining, |
| 5594 | default to use if supported */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5595 | if (brcmf_sdcard_iovar_op(sdh, "sd_rxchain", NULL, 0, |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 5596 | &bus->sd_rxchain, sizeof(s32), |
Roland Vossen | a1c5ad8 | 2011-04-11 15:16:24 +0200 | [diff] [blame] | 5597 | false) != 0) { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5598 | bus->sd_rxchain = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5599 | } else { |
| 5600 | DHD_INFO(("%s: bus module (through bcmsdh API) %s chaining\n", |
| 5601 | __func__, |
| 5602 | (bus->sd_rxchain ? "supports" : "does not support"))); |
| 5603 | } |
| 5604 | bus->use_rxchain = (bool) bus->sd_rxchain; |
| 5605 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5606 | return true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5607 | } |
| 5608 | |
| 5609 | bool |
Arend van Spriel | 8da4a3a | 2011-03-02 21:18:42 +0100 | [diff] [blame] | 5610 | dhd_bus_download_firmware(struct dhd_bus *bus, char *fw_path, char *nv_path) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5611 | { |
| 5612 | bool ret; |
| 5613 | bus->fw_path = fw_path; |
| 5614 | bus->nv_path = nv_path; |
| 5615 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5616 | ret = brcmf_sdbrcm_download_firmware(bus, bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5617 | |
| 5618 | return ret; |
| 5619 | } |
| 5620 | |
| 5621 | static bool |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5622 | brcmf_sdbrcm_download_firmware(struct dhd_bus *bus, void *sdh) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5623 | { |
| 5624 | bool ret; |
| 5625 | |
| 5626 | /* Download the firmware */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5627 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5628 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5629 | ret = _brcmf_sdbrcm_download_firmware(bus) == 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5630 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5631 | brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5632 | |
| 5633 | return ret; |
| 5634 | } |
| 5635 | |
| 5636 | /* Detach and free everything */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5637 | static void brcmf_sdbrcm_release(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5638 | { |
| 5639 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5640 | |
| 5641 | if (bus) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5642 | /* De-register interrupt handler */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5643 | brcmf_sdcard_intr_disable(bus->sdh); |
| 5644 | brcmf_sdcard_intr_dereg(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5645 | |
| 5646 | if (bus->dhd) { |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5647 | brcmf_detach(bus->dhd); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5648 | brcmf_sdbrcm_release_dongle(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5649 | bus->dhd = NULL; |
| 5650 | } |
| 5651 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5652 | brcmf_sdbrcm_release_malloc(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5653 | |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 5654 | kfree(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5655 | } |
| 5656 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5657 | DHD_TRACE(("%s: Disconnected\n", __func__)); |
| 5658 | } |
| 5659 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5660 | static void brcmf_sdbrcm_release_malloc(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5661 | { |
| 5662 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5663 | |
| 5664 | if (bus->dhd && bus->dhd->dongle_reset) |
| 5665 | return; |
| 5666 | |
Henry Ptasinski | 521223a | 2011-06-29 16:46:55 -0700 | [diff] [blame] | 5667 | kfree(bus->rxbuf); |
| 5668 | bus->rxctl = bus->rxbuf = NULL; |
| 5669 | bus->rxlen = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5670 | |
Ilia Mirkin | 46d994b | 2011-03-13 00:28:56 -0500 | [diff] [blame] | 5671 | kfree(bus->databuf); |
| 5672 | bus->databuf = NULL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5673 | } |
| 5674 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5675 | static void brcmf_sdbrcm_release_dongle(dhd_bus_t *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5676 | { |
| 5677 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5678 | |
| 5679 | if (bus->dhd && bus->dhd->dongle_reset) |
| 5680 | return; |
| 5681 | |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 5682 | if (bus->ci) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5683 | brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false); |
| 5684 | brcmf_sdbrcm_clkctl(bus, CLK_NONE, false); |
| 5685 | brcmf_sdbrcm_chip_detach(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5686 | if (bus->vars && bus->varsz) |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 5687 | kfree(bus->vars); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5688 | bus->vars = NULL; |
| 5689 | } |
| 5690 | |
| 5691 | DHD_TRACE(("%s: Disconnected\n", __func__)); |
| 5692 | } |
| 5693 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5694 | static void brcmf_sdbrcm_disconnect(void *ptr) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5695 | { |
| 5696 | dhd_bus_t *bus = (dhd_bus_t *)ptr; |
| 5697 | |
| 5698 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5699 | |
| 5700 | if (bus) { |
| 5701 | ASSERT(bus->dhd); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5702 | brcmf_sdbrcm_release(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5703 | } |
| 5704 | |
| 5705 | DHD_TRACE(("%s: Disconnected\n", __func__)); |
| 5706 | } |
| 5707 | |
| 5708 | /* Register/Unregister functions are called by the main DHD entry |
| 5709 | * point (e.g. module insertion) to link with the bus driver, in |
| 5710 | * order to look for or await the device. |
| 5711 | */ |
| 5712 | |
Roland Vossen | 8965004 | 2011-06-29 16:47:22 -0700 | [diff] [blame] | 5713 | static struct brcmf_sdioh_driver dhd_sdio = { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5714 | brcmf_sdbrcm_probe, |
| 5715 | brcmf_sdbrcm_disconnect |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5716 | }; |
| 5717 | |
| 5718 | int dhd_bus_register(void) |
| 5719 | { |
| 5720 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5721 | |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 5722 | /* Sanity check on the module parameters */ |
| 5723 | do { |
| 5724 | /* Both watchdog and DPC as tasklets are ok */ |
| 5725 | if ((brcmf_watchdog_prio < 0) && (brcmf_dpc_prio < 0)) |
| 5726 | break; |
| 5727 | |
| 5728 | /* If both watchdog and DPC are threads, TX must be deferred */ |
| 5729 | if ((brcmf_watchdog_prio >= 0) && (brcmf_dpc_prio >= 0) |
| 5730 | && brcmf_deferred_tx) |
| 5731 | break; |
| 5732 | |
| 5733 | DHD_ERROR(("Invalid module parameters.\n")); |
| 5734 | return -EINVAL; |
| 5735 | } while (0); |
| 5736 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5737 | return brcmf_sdio_register(&dhd_sdio); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5738 | } |
| 5739 | |
| 5740 | void dhd_bus_unregister(void) |
| 5741 | { |
| 5742 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 5743 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5744 | brcmf_sdio_unregister(); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5745 | } |
| 5746 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5747 | static int brcmf_sdbrcm_download_code_file(struct dhd_bus *bus, char *fw_path) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5748 | { |
| 5749 | int bcmerror = -1; |
| 5750 | int offset = 0; |
| 5751 | uint len; |
| 5752 | void *image = NULL; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 5753 | u8 *memblock = NULL, *memptr; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5754 | |
Arend van Spriel | aba5e0a | 2011-06-29 16:47:03 -0700 | [diff] [blame] | 5755 | DHD_INFO(("%s: download firmware %s\n", __func__, brcmf_fw_path)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5756 | |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5757 | image = brcmf_os_open_image(fw_path); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5758 | if (image == NULL) |
| 5759 | goto err; |
| 5760 | |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5761 | memptr = memblock = kmalloc(MEMBLOCK + BRCMF_SDALIGN, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5762 | if (memblock == NULL) { |
| 5763 | DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", |
| 5764 | __func__, MEMBLOCK)); |
| 5765 | goto err; |
| 5766 | } |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5767 | if ((u32)(unsigned long)memblock % BRCMF_SDALIGN) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5768 | memptr += |
Arend van Spriel | 8d825a8 | 2011-06-29 16:47:25 -0700 | [diff] [blame] | 5769 | (BRCMF_SDALIGN - ((u32)(unsigned long)memblock % BRCMF_SDALIGN)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5770 | |
| 5771 | /* Download image */ |
| 5772 | while ((len = |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5773 | brcmf_os_get_image_block((char *)memptr, MEMBLOCK, image))) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5774 | bcmerror = brcmf_sdbrcm_membytes(bus, true, offset, memptr, |
| 5775 | len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5776 | if (bcmerror) { |
| 5777 | DHD_ERROR(("%s: error %d on writing %d membytes at " |
| 5778 | "0x%08x\n", __func__, bcmerror, MEMBLOCK, offset)); |
| 5779 | goto err; |
| 5780 | } |
| 5781 | |
| 5782 | offset += MEMBLOCK; |
| 5783 | } |
| 5784 | |
| 5785 | err: |
Ilia Mirkin | 46d994b | 2011-03-13 00:28:56 -0500 | [diff] [blame] | 5786 | kfree(memblock); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5787 | |
| 5788 | if (image) |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5789 | brcmf_os_close_image(image); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5790 | |
| 5791 | return bcmerror; |
| 5792 | } |
| 5793 | |
| 5794 | /* |
| 5795 | * ProcessVars:Takes a buffer of "<var>=<value>\n" lines read from a file |
| 5796 | * and ending in a NUL. |
| 5797 | * Removes carriage returns, empty lines, comment lines, and converts |
| 5798 | * newlines to NULs. |
| 5799 | * Shortens buffer as needed and pads with NULs. End of buffer is marked |
| 5800 | * by two NULs. |
| 5801 | */ |
| 5802 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5803 | static uint brcmf_process_nvram_vars(char *varbuf, uint len) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5804 | { |
| 5805 | char *dp; |
| 5806 | bool findNewline; |
| 5807 | int column; |
| 5808 | uint buf_len, n; |
| 5809 | |
| 5810 | dp = varbuf; |
| 5811 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5812 | findNewline = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5813 | column = 0; |
| 5814 | |
| 5815 | for (n = 0; n < len; n++) { |
| 5816 | if (varbuf[n] == 0) |
| 5817 | break; |
| 5818 | if (varbuf[n] == '\r') |
| 5819 | continue; |
| 5820 | if (findNewline && varbuf[n] != '\n') |
| 5821 | continue; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5822 | findNewline = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5823 | if (varbuf[n] == '#') { |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5824 | findNewline = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5825 | continue; |
| 5826 | } |
| 5827 | if (varbuf[n] == '\n') { |
| 5828 | if (column == 0) |
| 5829 | continue; |
| 5830 | *dp++ = 0; |
| 5831 | column = 0; |
| 5832 | continue; |
| 5833 | } |
| 5834 | *dp++ = varbuf[n]; |
| 5835 | column++; |
| 5836 | } |
| 5837 | buf_len = dp - varbuf; |
| 5838 | |
| 5839 | while (dp < varbuf + n) |
| 5840 | *dp++ = 0; |
| 5841 | |
| 5842 | return buf_len; |
| 5843 | } |
| 5844 | |
| 5845 | /* |
| 5846 | EXAMPLE: nvram_array |
| 5847 | nvram_arry format: |
| 5848 | name=value |
| 5849 | Use carriage return at the end of each assignment, |
| 5850 | and an empty string with |
| 5851 | carriage return at the end of array. |
| 5852 | |
| 5853 | For example: |
| 5854 | unsigned char nvram_array[] = {"name1=value1\n", |
| 5855 | "name2=value2\n", "\n"}; |
| 5856 | Hex values start with 0x, and mac addr format: xx:xx:xx:xx:xx:xx. |
| 5857 | |
| 5858 | Search "EXAMPLE: nvram_array" to see how the array is activated. |
| 5859 | */ |
| 5860 | |
| 5861 | void dhd_bus_set_nvram_params(struct dhd_bus *bus, const char *nvram_params) |
| 5862 | { |
| 5863 | bus->nvram_params = nvram_params; |
| 5864 | } |
| 5865 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5866 | static int brcmf_sdbrcm_download_nvram(struct dhd_bus *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5867 | { |
| 5868 | int bcmerror = -1; |
| 5869 | uint len; |
| 5870 | void *image = NULL; |
| 5871 | char *memblock = NULL; |
| 5872 | char *bufp; |
| 5873 | char *nv_path; |
| 5874 | bool nvram_file_exists; |
| 5875 | |
| 5876 | nv_path = bus->nv_path; |
| 5877 | |
| 5878 | nvram_file_exists = ((nv_path != NULL) && (nv_path[0] != '\0')); |
| 5879 | if (!nvram_file_exists && (bus->nvram_params == NULL)) |
| 5880 | return 0; |
| 5881 | |
| 5882 | if (nvram_file_exists) { |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5883 | image = brcmf_os_open_image(nv_path); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5884 | if (image == NULL) |
| 5885 | goto err; |
| 5886 | } |
| 5887 | |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 5888 | memblock = kmalloc(MEMBLOCK, GFP_ATOMIC); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5889 | if (memblock == NULL) { |
| 5890 | DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", |
| 5891 | __func__, MEMBLOCK)); |
| 5892 | goto err; |
| 5893 | } |
| 5894 | |
| 5895 | /* Download variables */ |
| 5896 | if (nvram_file_exists) { |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5897 | len = brcmf_os_get_image_block(memblock, MEMBLOCK, image); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5898 | } else { |
| 5899 | len = strlen(bus->nvram_params); |
| 5900 | ASSERT(len <= MEMBLOCK); |
| 5901 | if (len > MEMBLOCK) |
| 5902 | len = MEMBLOCK; |
| 5903 | memcpy(memblock, bus->nvram_params, len); |
| 5904 | } |
| 5905 | |
| 5906 | if (len > 0 && len < MEMBLOCK) { |
| 5907 | bufp = (char *)memblock; |
| 5908 | bufp[len] = 0; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5909 | len = brcmf_process_nvram_vars(bufp, len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5910 | bufp += len; |
| 5911 | *bufp++ = 0; |
| 5912 | if (len) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5913 | bcmerror = brcmf_sdbrcm_downloadvars(bus, memblock, |
| 5914 | len + 1); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5915 | if (bcmerror) { |
| 5916 | DHD_ERROR(("%s: error downloading vars: %d\n", |
| 5917 | __func__, bcmerror)); |
| 5918 | } |
| 5919 | } else { |
| 5920 | DHD_ERROR(("%s: error reading nvram file: %d\n", |
| 5921 | __func__, len)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 5922 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5923 | } |
| 5924 | |
| 5925 | err: |
Ilia Mirkin | 46d994b | 2011-03-13 00:28:56 -0500 | [diff] [blame] | 5926 | kfree(memblock); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5927 | |
| 5928 | if (image) |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 5929 | brcmf_os_close_image(image); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5930 | |
| 5931 | return bcmerror; |
| 5932 | } |
| 5933 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5934 | static int _brcmf_sdbrcm_download_firmware(struct dhd_bus *bus) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5935 | { |
| 5936 | int bcmerror = -1; |
| 5937 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5938 | bool embed = false; /* download embedded firmware */ |
| 5939 | bool dlok = false; /* download firmware succeeded */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5940 | |
| 5941 | /* Out immediately if no image to download */ |
Franky Lin | a4181fb | 2011-06-01 13:45:34 +0200 | [diff] [blame] | 5942 | if ((bus->fw_path == NULL) || (bus->fw_path[0] == '\0')) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5943 | return bcmerror; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5944 | |
| 5945 | /* Keep arm in reset */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5946 | if (brcmf_sdbrcm_download_state(bus, true)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5947 | DHD_ERROR(("%s: error placing ARM core in reset\n", __func__)); |
| 5948 | goto err; |
| 5949 | } |
| 5950 | |
| 5951 | /* External image takes precedence if specified */ |
| 5952 | if ((bus->fw_path != NULL) && (bus->fw_path[0] != '\0')) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5953 | if (brcmf_sdbrcm_download_code_file(bus, bus->fw_path)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5954 | DHD_ERROR(("%s: dongle image file download failed\n", |
| 5955 | __func__)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5956 | goto err; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5957 | } else { |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 5958 | embed = false; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 5959 | dlok = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5960 | } |
| 5961 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5962 | if (!dlok) { |
| 5963 | DHD_ERROR(("%s: dongle image download failed\n", __func__)); |
| 5964 | goto err; |
| 5965 | } |
| 5966 | |
| 5967 | /* EXAMPLE: nvram_array */ |
| 5968 | /* If a valid nvram_arry is specified as above, it can be passed |
| 5969 | down to dongle */ |
| 5970 | /* dhd_bus_set_nvram_params(bus, (char *)&nvram_array); */ |
| 5971 | |
| 5972 | /* External nvram takes precedence if specified */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5973 | if (brcmf_sdbrcm_download_nvram(bus)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5974 | DHD_ERROR(("%s: dongle nvram file download failed\n", |
| 5975 | __func__)); |
| 5976 | } |
| 5977 | |
| 5978 | /* Take arm out of reset */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5979 | if (brcmf_sdbrcm_download_state(bus, false)) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5980 | DHD_ERROR(("%s: error getting out of ARM core reset\n", |
| 5981 | __func__)); |
| 5982 | goto err; |
| 5983 | } |
| 5984 | |
| 5985 | bcmerror = 0; |
| 5986 | |
| 5987 | err: |
| 5988 | return bcmerror; |
| 5989 | } |
| 5990 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5991 | |
| 5992 | static int |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5993 | brcmf_sdbrcm_send_buf(dhd_bus_t *bus, u32 addr, uint fn, uint flags, |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 5994 | u8 *buf, uint nbytes, struct sk_buff *pkt, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5995 | bcmsdh_cmplt_fn_t complete, void *handle) |
| 5996 | { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 5997 | return brcmf_sdcard_send_buf |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 5998 | (bus->sdh, addr, fn, flags, buf, nbytes, pkt, complete, |
| 5999 | handle); |
| 6000 | } |
| 6001 | |
| 6002 | uint dhd_bus_chip(struct dhd_bus *bus) |
| 6003 | { |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 6004 | ASSERT(bus->ci != NULL); |
| 6005 | return bus->ci->chip; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6006 | } |
| 6007 | |
| 6008 | void *dhd_bus_pub(struct dhd_bus *bus) |
| 6009 | { |
| 6010 | return bus->dhd; |
| 6011 | } |
| 6012 | |
| 6013 | void *dhd_bus_txq(struct dhd_bus *bus) |
| 6014 | { |
| 6015 | return &bus->txq; |
| 6016 | } |
| 6017 | |
| 6018 | uint dhd_bus_hdrlen(struct dhd_bus *bus) |
| 6019 | { |
| 6020 | return SDPCM_HDRLEN; |
| 6021 | } |
| 6022 | |
Arend van Spriel | a84bac4 | 2011-06-29 16:47:10 -0700 | [diff] [blame] | 6023 | int brcmf_bus_devreset(dhd_pub_t *dhdp, u8 flag) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6024 | { |
| 6025 | int bcmerror = 0; |
| 6026 | dhd_bus_t *bus; |
| 6027 | |
| 6028 | bus = dhdp->bus; |
| 6029 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 6030 | if (flag == true) { |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 6031 | brcmf_sdbrcm_wd_timer(bus, 0); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6032 | if (!bus->dhd->dongle_reset) { |
| 6033 | /* Expect app to have torn down any |
| 6034 | connection before calling */ |
| 6035 | /* Stop the bus, disable F2 */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6036 | brcmf_sdbrcm_bus_stop(bus, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6037 | |
| 6038 | /* Clean tx/rx buffer pointers, |
| 6039 | detach from the dongle */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6040 | brcmf_sdbrcm_release_dongle(bus); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6041 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 6042 | bus->dhd->dongle_reset = true; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 6043 | bus->dhd->up = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6044 | |
| 6045 | DHD_TRACE(("%s: WLAN OFF DONE\n", __func__)); |
| 6046 | /* App can now remove power from device */ |
| 6047 | } else |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 6048 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6049 | } else { |
| 6050 | /* App must have restored power to device before calling */ |
| 6051 | |
| 6052 | DHD_TRACE(("\n\n%s: == WLAN ON ==\n", __func__)); |
| 6053 | |
| 6054 | if (bus->dhd->dongle_reset) { |
| 6055 | /* Turn on WLAN */ |
| 6056 | /* Reset SD client */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6057 | brcmf_sdcard_reset(bus->sdh); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6058 | |
| 6059 | /* Attempt to re-attach & download */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6060 | if (brcmf_sdbrcm_probe_attach(bus, bus->sdh, |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 6061 | (u32 *) SI_ENUM_BASE, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6062 | bus->cl_devid)) { |
| 6063 | /* Attempt to download binary to the dongle */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6064 | if (brcmf_sdbrcm_probe_init |
Arend van Spriel | 8da4a3a | 2011-03-02 21:18:42 +0100 | [diff] [blame] | 6065 | (bus, bus->sdh) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6066 | && brcmf_sdbrcm_download_firmware(bus, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6067 | bus->sdh)) { |
| 6068 | |
| 6069 | /* Re-init bus, enable F2 transfer */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6070 | brcmf_sdbrcm_bus_init( |
| 6071 | (dhd_pub_t *) bus->dhd, false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6072 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 6073 | bus->dhd->dongle_reset = false; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 6074 | bus->dhd->up = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6075 | |
| 6076 | DHD_TRACE(("%s: WLAN ON DONE\n", |
| 6077 | __func__)); |
| 6078 | } else |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 6079 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6080 | } else |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 6081 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6082 | } else { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 6083 | bcmerror = -EISCONN; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 6084 | DHD_ERROR(("%s: Set DEVRESET=false invoked when device " |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6085 | "is on\n", __func__)); |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 6086 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6087 | } |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 6088 | brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 6089 | } |
| 6090 | return bcmerror; |
| 6091 | } |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6092 | |
| 6093 | static int |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 6094 | brcmf_sdbrcm_chip_recognition(struct brcmf_sdio *sdh, struct chip_info *ci, |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6095 | void *regs) |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6096 | { |
| 6097 | u32 regdata; |
| 6098 | |
| 6099 | /* |
| 6100 | * Get CC core rev |
| 6101 | * Chipid is assume to be at offset 0 from regs arg |
| 6102 | * For different chiptypes or old sdio hosts w/o chipcommon, |
| 6103 | * other ways of recognition should be added here. |
| 6104 | */ |
| 6105 | ci->cccorebase = (u32)regs; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6106 | regdata = brcmf_sdcard_reg_read(sdh, |
| 6107 | CORE_CC_REG(ci->cccorebase, chipid), 4); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6108 | ci->chip = regdata & CID_ID_MASK; |
| 6109 | ci->chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; |
| 6110 | |
| 6111 | DHD_INFO(("%s: chipid=0x%x chiprev=%d\n", |
| 6112 | __func__, ci->chip, ci->chiprev)); |
| 6113 | |
| 6114 | /* Address of cores for new chips should be added here */ |
| 6115 | switch (ci->chip) { |
| 6116 | case BCM4329_CHIP_ID: |
| 6117 | ci->buscorebase = BCM4329_CORE_BUS_BASE; |
| 6118 | ci->ramcorebase = BCM4329_CORE_SOCRAM_BASE; |
| 6119 | ci->armcorebase = BCM4329_CORE_ARM_BASE; |
Franky Lin | c05df63 | 2011-04-25 19:34:07 -0700 | [diff] [blame] | 6120 | ci->ramsize = BCM4329_RAMSIZE; |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6121 | break; |
| 6122 | default: |
| 6123 | DHD_ERROR(("%s: chipid 0x%x is not supported\n", |
| 6124 | __func__, ci->chip)); |
| 6125 | return -ENODEV; |
| 6126 | } |
| 6127 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6128 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6129 | CORE_SB(ci->cccorebase, sbidhigh), 4); |
| 6130 | ci->ccrev = SBCOREREV(regdata); |
| 6131 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6132 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6133 | CORE_CC_REG(ci->cccorebase, pmucapabilities), 4); |
| 6134 | ci->pmurev = regdata & PCAP_REV_MASK; |
| 6135 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6136 | regdata = brcmf_sdcard_reg_read(sdh, |
| 6137 | CORE_SB(ci->buscorebase, sbidhigh), 4); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6138 | ci->buscorerev = SBCOREREV(regdata); |
| 6139 | ci->buscoretype = (regdata & SBIDH_CC_MASK) >> SBIDH_CC_SHIFT; |
| 6140 | |
| 6141 | DHD_INFO(("%s: ccrev=%d, pmurev=%d, buscore rev/type=%d/0x%x\n", |
| 6142 | __func__, ci->ccrev, ci->pmurev, |
| 6143 | ci->buscorerev, ci->buscoretype)); |
| 6144 | |
| 6145 | /* get chipcommon capabilites */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6146 | ci->cccaps = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6147 | CORE_CC_REG(ci->cccorebase, capabilities), 4); |
| 6148 | |
| 6149 | return 0; |
| 6150 | } |
| 6151 | |
| 6152 | static void |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 6153 | brcmf_sdbrcm_chip_disablecore(struct brcmf_sdio *sdh, u32 corebase) |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6154 | { |
| 6155 | u32 regdata; |
| 6156 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6157 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6158 | CORE_SB(corebase, sbtmstatelow), 4); |
| 6159 | if (regdata & SBTML_RESET) |
| 6160 | return; |
| 6161 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6162 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6163 | CORE_SB(corebase, sbtmstatelow), 4); |
| 6164 | if ((regdata & (SICF_CLOCK_EN << SBTML_SICF_SHIFT)) != 0) { |
| 6165 | /* |
| 6166 | * set target reject and spin until busy is clear |
| 6167 | * (preserve core-specific bits) |
| 6168 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6169 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6170 | CORE_SB(corebase, sbtmstatelow), 4); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6171 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbtmstatelow), 4, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6172 | regdata | SBTML_REJ); |
| 6173 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6174 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6175 | CORE_SB(corebase, sbtmstatelow), 4); |
| 6176 | udelay(1); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6177 | SPINWAIT((brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6178 | CORE_SB(corebase, sbtmstatehigh), 4) & |
| 6179 | SBTMH_BUSY), 100000); |
| 6180 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6181 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6182 | CORE_SB(corebase, sbtmstatehigh), 4); |
| 6183 | if (regdata & SBTMH_BUSY) |
| 6184 | DHD_ERROR(("%s: ARM core still busy\n", __func__)); |
| 6185 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6186 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6187 | CORE_SB(corebase, sbidlow), 4); |
| 6188 | if (regdata & SBIDL_INIT) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6189 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6190 | CORE_SB(corebase, sbimstate), 4) | |
| 6191 | SBIM_RJ; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6192 | brcmf_sdcard_reg_write(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6193 | CORE_SB(corebase, sbimstate), 4, |
| 6194 | regdata); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6195 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6196 | CORE_SB(corebase, sbimstate), 4); |
| 6197 | udelay(1); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6198 | SPINWAIT((brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6199 | CORE_SB(corebase, sbimstate), 4) & |
| 6200 | SBIM_BY), 100000); |
| 6201 | } |
| 6202 | |
| 6203 | /* set reset and reject while enabling the clocks */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6204 | brcmf_sdcard_reg_write(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6205 | CORE_SB(corebase, sbtmstatelow), 4, |
| 6206 | (((SICF_FGC | SICF_CLOCK_EN) << SBTML_SICF_SHIFT) | |
| 6207 | SBTML_REJ | SBTML_RESET)); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6208 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6209 | CORE_SB(corebase, sbtmstatelow), 4); |
| 6210 | udelay(10); |
| 6211 | |
| 6212 | /* clear the initiator reject bit */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6213 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6214 | CORE_SB(corebase, sbidlow), 4); |
| 6215 | if (regdata & SBIDL_INIT) { |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6216 | regdata = brcmf_sdcard_reg_read(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6217 | CORE_SB(corebase, sbimstate), 4) & |
| 6218 | ~SBIM_RJ; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6219 | brcmf_sdcard_reg_write(sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6220 | CORE_SB(corebase, sbimstate), 4, |
| 6221 | regdata); |
| 6222 | } |
| 6223 | } |
| 6224 | |
| 6225 | /* leave reset and reject asserted */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6226 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbtmstatelow), 4, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6227 | (SBTML_REJ | SBTML_RESET)); |
| 6228 | udelay(1); |
| 6229 | } |
| 6230 | |
| 6231 | static int |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6232 | brcmf_sdbrcm_chip_attach(struct dhd_bus *bus, void *regs) |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6233 | { |
| 6234 | struct chip_info *ci; |
| 6235 | int err; |
| 6236 | u8 clkval, clkset; |
| 6237 | |
| 6238 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 6239 | |
| 6240 | /* alloc chip_info_t */ |
| 6241 | ci = kmalloc(sizeof(struct chip_info), GFP_ATOMIC); |
| 6242 | if (NULL == ci) { |
| 6243 | DHD_ERROR(("%s: malloc failed!\n", __func__)); |
| 6244 | return -ENOMEM; |
| 6245 | } |
| 6246 | |
| 6247 | memset((unsigned char *)ci, 0, sizeof(struct chip_info)); |
| 6248 | |
| 6249 | /* bus/core/clk setup for register access */ |
| 6250 | /* Try forcing SDIO core to do ALPAvail request only */ |
| 6251 | clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6252 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6253 | clkset, &err); |
| 6254 | if (err) { |
| 6255 | DHD_ERROR(("%s: error writing for HT off\n", __func__)); |
| 6256 | goto fail; |
| 6257 | } |
| 6258 | |
| 6259 | /* If register supported, wait for ALPAvail and then force ALP */ |
| 6260 | /* This may take up to 15 milliseconds */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6261 | clkval = brcmf_sdcard_cfg_read(bus->sdh, SDIO_FUNC_1, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6262 | SBSDIO_FUNC1_CHIPCLKCSR, NULL); |
| 6263 | if ((clkval & ~SBSDIO_AVBITS) == clkset) { |
| 6264 | SPINWAIT(((clkval = |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6265 | brcmf_sdcard_cfg_read(bus->sdh, SDIO_FUNC_1, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6266 | SBSDIO_FUNC1_CHIPCLKCSR, |
| 6267 | NULL)), |
| 6268 | !SBSDIO_ALPAV(clkval)), |
| 6269 | PMU_MAX_TRANSITION_DLY); |
| 6270 | if (!SBSDIO_ALPAV(clkval)) { |
| 6271 | DHD_ERROR(("%s: timeout on ALPAV wait, clkval 0x%02x\n", |
| 6272 | __func__, clkval)); |
| 6273 | err = -EBUSY; |
| 6274 | goto fail; |
| 6275 | } |
| 6276 | clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | |
| 6277 | SBSDIO_FORCE_ALP; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6278 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6279 | SBSDIO_FUNC1_CHIPCLKCSR, |
| 6280 | clkset, &err); |
| 6281 | udelay(65); |
| 6282 | } else { |
| 6283 | DHD_ERROR(("%s: ChipClkCSR access: wrote 0x%02x read 0x%02x\n", |
| 6284 | __func__, clkset, clkval)); |
| 6285 | err = -EACCES; |
| 6286 | goto fail; |
| 6287 | } |
| 6288 | |
| 6289 | /* Also, disable the extra SDIO pull-ups */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6290 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SDIOPULLUP, |
| 6291 | 0, NULL); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6292 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6293 | err = brcmf_sdbrcm_chip_recognition(bus->sdh, ci, regs); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6294 | if (err) |
| 6295 | goto fail; |
| 6296 | |
| 6297 | /* |
| 6298 | * Make sure any on-chip ARM is off (in case strapping is wrong), |
| 6299 | * or downloaded code was already running. |
| 6300 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6301 | brcmf_sdbrcm_chip_disablecore(bus->sdh, ci->armcorebase); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6302 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6303 | brcmf_sdcard_reg_write(bus->sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6304 | CORE_CC_REG(ci->cccorebase, gpiopullup), 4, 0); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6305 | brcmf_sdcard_reg_write(bus->sdh, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6306 | CORE_CC_REG(ci->cccorebase, gpiopulldown), 4, 0); |
| 6307 | |
| 6308 | /* Disable F2 to clear any intermediate frame state on the dongle */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6309 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_0, SDIO_CCCR_IOEx, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6310 | SDIO_FUNC_ENABLE_1, NULL); |
| 6311 | |
| 6312 | /* WAR: cmd52 backplane read so core HW will drop ALPReq */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6313 | clkval = brcmf_sdcard_cfg_read(bus->sdh, SDIO_FUNC_1, |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6314 | 0, NULL); |
| 6315 | |
| 6316 | /* Done with backplane-dependent accesses, can drop clock... */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6317 | brcmf_sdcard_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| 6318 | 0, NULL); |
Franky Lin | cb63e4c | 2011-04-25 15:45:08 -0700 | [diff] [blame] | 6319 | |
| 6320 | bus->ci = ci; |
| 6321 | return 0; |
| 6322 | fail: |
| 6323 | bus->ci = NULL; |
| 6324 | kfree(ci); |
| 6325 | return err; |
| 6326 | } |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6327 | |
| 6328 | static void |
Roland Vossen | 677226a | 2011-06-29 16:47:21 -0700 | [diff] [blame] | 6329 | brcmf_sdbrcm_chip_resetcore(struct brcmf_sdio *sdh, u32 corebase) |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6330 | { |
| 6331 | u32 regdata; |
| 6332 | |
| 6333 | /* |
| 6334 | * Must do the disable sequence first to work for |
| 6335 | * arbitrary current core state. |
| 6336 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6337 | brcmf_sdbrcm_chip_disablecore(sdh, corebase); |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6338 | |
| 6339 | /* |
| 6340 | * Now do the initialization sequence. |
| 6341 | * set reset while enabling the clock and |
| 6342 | * forcing them on throughout the core |
| 6343 | */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6344 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbtmstatelow), 4, |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6345 | ((SICF_FGC | SICF_CLOCK_EN) << SBTML_SICF_SHIFT) | |
| 6346 | SBTML_RESET); |
| 6347 | udelay(1); |
| 6348 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6349 | regdata = brcmf_sdcard_reg_read(sdh, CORE_SB(corebase, sbtmstatehigh), |
| 6350 | 4); |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6351 | if (regdata & SBTMH_SERR) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6352 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbtmstatehigh), |
| 6353 | 4, 0); |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6354 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6355 | regdata = brcmf_sdcard_reg_read(sdh, CORE_SB(corebase, sbimstate), 4); |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6356 | if (regdata & (SBIM_IBE | SBIM_TO)) |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6357 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbimstate), 4, |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6358 | regdata & ~(SBIM_IBE | SBIM_TO)); |
| 6359 | |
| 6360 | /* clear reset and allow it to propagate throughout the core */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6361 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbtmstatelow), 4, |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6362 | (SICF_FGC << SBTML_SICF_SHIFT) | |
| 6363 | (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); |
| 6364 | udelay(1); |
| 6365 | |
| 6366 | /* leave clock enabled */ |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6367 | brcmf_sdcard_reg_write(sdh, CORE_SB(corebase, sbtmstatelow), 4, |
Franky Lin | eb5dc51 | 2011-04-25 19:34:04 -0700 | [diff] [blame] | 6368 | (SICF_CLOCK_EN << SBTML_SICF_SHIFT)); |
| 6369 | udelay(1); |
| 6370 | } |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6371 | |
| 6372 | /* SDIO Pad drive strength to select value mappings */ |
| 6373 | struct sdiod_drive_str { |
| 6374 | u8 strength; /* Pad Drive Strength in mA */ |
| 6375 | u8 sel; /* Chip-specific select value */ |
| 6376 | }; |
| 6377 | |
| 6378 | /* SDIO Drive Strength to sel value table for PMU Rev 1 */ |
| 6379 | static const struct sdiod_drive_str sdiod_drive_strength_tab1[] = { |
| 6380 | { |
| 6381 | 4, 0x2}, { |
| 6382 | 2, 0x3}, { |
| 6383 | 1, 0x0}, { |
| 6384 | 0, 0x0} |
| 6385 | }; |
| 6386 | |
| 6387 | /* SDIO Drive Strength to sel value table for PMU Rev 2, 3 */ |
| 6388 | static const struct sdiod_drive_str sdiod_drive_strength_tab2[] = { |
| 6389 | { |
| 6390 | 12, 0x7}, { |
| 6391 | 10, 0x6}, { |
| 6392 | 8, 0x5}, { |
| 6393 | 6, 0x4}, { |
| 6394 | 4, 0x2}, { |
| 6395 | 2, 0x1}, { |
| 6396 | 0, 0x0} |
| 6397 | }; |
| 6398 | |
| 6399 | /* SDIO Drive Strength to sel value table for PMU Rev 8 (1.8V) */ |
| 6400 | static const struct sdiod_drive_str sdiod_drive_strength_tab3[] = { |
| 6401 | { |
| 6402 | 32, 0x7}, { |
| 6403 | 26, 0x6}, { |
| 6404 | 22, 0x5}, { |
| 6405 | 16, 0x4}, { |
| 6406 | 12, 0x3}, { |
| 6407 | 8, 0x2}, { |
| 6408 | 4, 0x1}, { |
| 6409 | 0, 0x0} |
| 6410 | }; |
| 6411 | |
| 6412 | #define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) |
| 6413 | |
| 6414 | static void |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6415 | brcmf_sdbrcm_sdiod_drive_strength_init(struct dhd_bus *bus, u32 drivestrength) { |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6416 | struct sdiod_drive_str *str_tab = NULL; |
| 6417 | u32 str_mask = 0; |
| 6418 | u32 str_shift = 0; |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6419 | char chn[8]; |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6420 | |
| 6421 | if (!(bus->ci->cccaps & CC_CAP_PMU)) |
| 6422 | return; |
| 6423 | |
| 6424 | switch (SDIOD_DRVSTR_KEY(bus->ci->chip, bus->ci->pmurev)) { |
| 6425 | case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1): |
| 6426 | str_tab = (struct sdiod_drive_str *)&sdiod_drive_strength_tab1; |
| 6427 | str_mask = 0x30000000; |
| 6428 | str_shift = 28; |
| 6429 | break; |
| 6430 | case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2): |
| 6431 | case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3): |
| 6432 | str_tab = (struct sdiod_drive_str *)&sdiod_drive_strength_tab2; |
| 6433 | str_mask = 0x00003800; |
| 6434 | str_shift = 11; |
| 6435 | break; |
| 6436 | case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8): |
| 6437 | str_tab = (struct sdiod_drive_str *)&sdiod_drive_strength_tab3; |
| 6438 | str_mask = 0x00003800; |
| 6439 | str_shift = 11; |
| 6440 | break; |
| 6441 | default: |
| 6442 | DHD_ERROR(("No SDIO Drive strength init" |
| 6443 | "done for chip %s rev %d pmurev %d\n", |
Roland Vossen | 67ad48b | 2011-06-01 13:45:51 +0200 | [diff] [blame] | 6444 | brcmu_chipname(bus->ci->chip, chn, 8), |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6445 | bus->ci->chiprev, bus->ci->pmurev)); |
| 6446 | break; |
| 6447 | } |
| 6448 | |
| 6449 | if (str_tab != NULL) { |
| 6450 | u32 drivestrength_sel = 0; |
| 6451 | u32 cc_data_temp; |
| 6452 | int i; |
| 6453 | |
| 6454 | for (i = 0; str_tab[i].strength != 0; i++) { |
| 6455 | if (drivestrength >= str_tab[i].strength) { |
| 6456 | drivestrength_sel = str_tab[i].sel; |
| 6457 | break; |
| 6458 | } |
| 6459 | } |
| 6460 | |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6461 | brcmf_sdcard_reg_write(bus->sdh, |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6462 | CORE_CC_REG(bus->ci->cccorebase, chipcontrol_addr), |
| 6463 | 4, 1); |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6464 | cc_data_temp = brcmf_sdcard_reg_read(bus->sdh, |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6465 | CORE_CC_REG(bus->ci->cccorebase, chipcontrol_addr), 4); |
| 6466 | cc_data_temp &= ~str_mask; |
| 6467 | drivestrength_sel <<= str_shift; |
| 6468 | cc_data_temp |= drivestrength_sel; |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6469 | brcmf_sdcard_reg_write(bus->sdh, |
Franky Lin | 5d0d7a9 | 2011-04-25 19:34:05 -0700 | [diff] [blame] | 6470 | CORE_CC_REG(bus->ci->cccorebase, chipcontrol_addr), |
| 6471 | 4, cc_data_temp); |
| 6472 | |
| 6473 | DHD_INFO(("SDIO: %dmA drive strength selected, set to 0x%08x\n", |
| 6474 | drivestrength, cc_data_temp)); |
| 6475 | } |
| 6476 | } |
Franky Lin | cee3cf4 | 2011-04-25 19:34:06 -0700 | [diff] [blame] | 6477 | |
| 6478 | static void |
Roland Vossen | 54ca296 | 2011-06-29 16:46:59 -0700 | [diff] [blame] | 6479 | brcmf_sdbrcm_chip_detach(struct dhd_bus *bus) |
Franky Lin | cee3cf4 | 2011-04-25 19:34:06 -0700 | [diff] [blame] | 6480 | { |
| 6481 | DHD_TRACE(("%s: Enter\n", __func__)); |
| 6482 | |
| 6483 | kfree(bus->ci); |
| 6484 | bus->ci = NULL; |
| 6485 | } |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 6486 | |
| 6487 | static void |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 6488 | brcmf_sdbrcm_wait_for_event(dhd_bus_t *bus, bool *lockvar) |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 6489 | { |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 6490 | brcmf_sdbrcm_sdunlock(bus); |
| 6491 | wait_event_interruptible_timeout(bus->ctrl_wait, |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 6492 | (*lockvar == false), HZ * 2); |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 6493 | brcmf_sdbrcm_sdlock(bus); |
Franky Lin | b7adfa7 | 2011-06-29 16:47:42 -0700 | [diff] [blame] | 6494 | return; |
| 6495 | } |
| 6496 | |
| 6497 | static void |
| 6498 | brcmf_sdbrcm_wait_event_wakeup(dhd_bus_t *bus) |
| 6499 | { |
| 6500 | if (waitqueue_active(&bus->ctrl_wait)) |
| 6501 | wake_up_interruptible(&bus->ctrl_wait); |
| 6502 | return; |
| 6503 | } |
Franky Lin | ac49553 | 2011-06-29 16:47:43 -0700 | [diff] [blame] | 6504 | |
| 6505 | static int |
| 6506 | brcmf_sdbrcm_watchdog_thread(void *data) |
| 6507 | { |
| 6508 | dhd_bus_t *bus = (dhd_bus_t *)data; |
| 6509 | |
| 6510 | /* This thread doesn't need any user-level access, |
| 6511 | * so get rid of all our resources |
| 6512 | */ |
| 6513 | if (brcmf_watchdog_prio > 0) { |
| 6514 | struct sched_param param; |
| 6515 | param.sched_priority = (brcmf_watchdog_prio < MAX_RT_PRIO) ? |
| 6516 | brcmf_watchdog_prio : (MAX_RT_PRIO - 1); |
| 6517 | sched_setscheduler(current, SCHED_FIFO, ¶m); |
| 6518 | } |
| 6519 | |
| 6520 | allow_signal(SIGTERM); |
| 6521 | /* Run until signal received */ |
| 6522 | while (1) { |
| 6523 | if (kthread_should_stop()) |
| 6524 | break; |
| 6525 | if (!wait_for_completion_interruptible(&bus->watchdog_wait)) { |
| 6526 | if (bus->dhd->dongle_reset == false) |
| 6527 | brcmf_sdbrcm_bus_watchdog(bus->dhd); |
| 6528 | /* Count the tick for reference */ |
| 6529 | bus->dhd->tickcnt++; |
| 6530 | } else |
| 6531 | break; |
| 6532 | } |
| 6533 | return 0; |
| 6534 | } |
| 6535 | |
| 6536 | static void |
| 6537 | brcmf_sdbrcm_watchdog(unsigned long data) |
| 6538 | { |
| 6539 | dhd_bus_t *bus = (dhd_bus_t *)data; |
| 6540 | |
| 6541 | if (brcmf_watchdog_prio >= 0) { |
| 6542 | if (bus->watchdog_tsk) |
| 6543 | complete(&bus->watchdog_wait); |
| 6544 | else |
| 6545 | return; |
| 6546 | } else { |
| 6547 | brcmf_sdbrcm_bus_watchdog(bus->dhd); |
| 6548 | |
| 6549 | /* Count the tick for reference */ |
| 6550 | bus->dhd->tickcnt++; |
| 6551 | } |
| 6552 | |
| 6553 | /* Reschedule the watchdog */ |
| 6554 | if (bus->wd_timer_valid) |
| 6555 | mod_timer(&bus->timer, jiffies + brcmf_watchdog_ms * HZ / 1000); |
| 6556 | } |
| 6557 | |
| 6558 | void |
| 6559 | brcmf_sdbrcm_wd_timer(struct dhd_bus *bus, uint wdtick) |
| 6560 | { |
| 6561 | static uint save_ms; |
| 6562 | |
| 6563 | /* don't start the wd until fw is loaded */ |
| 6564 | if (bus->dhd->busstate == DHD_BUS_DOWN) |
| 6565 | return; |
| 6566 | |
| 6567 | /* Totally stop the timer */ |
| 6568 | if (!wdtick && bus->wd_timer_valid == true) { |
| 6569 | del_timer_sync(&bus->timer); |
| 6570 | bus->wd_timer_valid = false; |
| 6571 | save_ms = wdtick; |
| 6572 | return; |
| 6573 | } |
| 6574 | |
| 6575 | if (wdtick) { |
| 6576 | brcmf_watchdog_ms = (uint) wdtick; |
| 6577 | |
| 6578 | if (save_ms != brcmf_watchdog_ms) { |
| 6579 | if (bus->wd_timer_valid == true) |
| 6580 | /* Stop timer and restart at new value */ |
| 6581 | del_timer_sync(&bus->timer); |
| 6582 | |
| 6583 | /* Create timer again when watchdog period is |
| 6584 | dynamically changed or in the first instance |
| 6585 | */ |
| 6586 | bus->timer.expires = |
| 6587 | jiffies + brcmf_watchdog_ms * HZ / 1000; |
| 6588 | add_timer(&bus->timer); |
| 6589 | |
| 6590 | } else { |
| 6591 | /* Re arm the timer, at last watchdog period */ |
| 6592 | mod_timer(&bus->timer, |
| 6593 | jiffies + brcmf_watchdog_ms * HZ / 1000); |
| 6594 | } |
| 6595 | |
| 6596 | bus->wd_timer_valid = true; |
| 6597 | save_ms = wdtick; |
| 6598 | } |
| 6599 | } |
Franky Lin | 0827888 | 2011-06-29 16:47:45 -0700 | [diff] [blame] | 6600 | |
| 6601 | static int brcmf_sdbrcm_dpc_thread(void *data) |
| 6602 | { |
| 6603 | dhd_bus_t *bus = (dhd_bus_t *) data; |
| 6604 | |
| 6605 | /* This thread doesn't need any user-level access, |
| 6606 | * so get rid of all our resources |
| 6607 | */ |
| 6608 | if (brcmf_dpc_prio > 0) { |
| 6609 | struct sched_param param; |
| 6610 | param.sched_priority = (brcmf_dpc_prio < MAX_RT_PRIO) ? |
| 6611 | brcmf_dpc_prio : (MAX_RT_PRIO - 1); |
| 6612 | sched_setscheduler(current, SCHED_FIFO, ¶m); |
| 6613 | } |
| 6614 | |
| 6615 | allow_signal(SIGTERM); |
| 6616 | /* Run until signal received */ |
| 6617 | while (1) { |
| 6618 | if (kthread_should_stop()) |
| 6619 | break; |
| 6620 | if (!wait_for_completion_interruptible(&bus->dpc_wait)) { |
| 6621 | /* Call bus dpc unless it indicated down |
| 6622 | (then clean stop) */ |
| 6623 | if (bus->dhd->busstate != DHD_BUS_DOWN) { |
| 6624 | if (brcmf_sdbrcm_dpc(bus)) |
| 6625 | complete(&bus->dpc_wait); |
| 6626 | } else { |
| 6627 | brcmf_sdbrcm_bus_stop(bus, true); |
| 6628 | } |
| 6629 | } else |
| 6630 | break; |
| 6631 | } |
| 6632 | return 0; |
| 6633 | } |
| 6634 | |
| 6635 | static void brcmf_sdbrcm_dpc_tasklet(unsigned long data) |
| 6636 | { |
| 6637 | dhd_bus_t *bus = (dhd_bus_t *) data; |
| 6638 | |
| 6639 | /* Call bus dpc unless it indicated down (then clean stop) */ |
| 6640 | if (bus->dhd->busstate != DHD_BUS_DOWN) { |
| 6641 | if (brcmf_sdbrcm_dpc(bus)) |
| 6642 | tasklet_schedule(&bus->tasklet); |
| 6643 | } else |
| 6644 | brcmf_sdbrcm_bus_stop(bus, true); |
| 6645 | } |
| 6646 | |
| 6647 | static void brcmf_sdbrcm_sched_dpc(dhd_bus_t *bus) |
| 6648 | { |
| 6649 | if (bus->dpc_tsk) { |
| 6650 | complete(&bus->dpc_wait); |
| 6651 | return; |
| 6652 | } |
| 6653 | |
| 6654 | tasklet_schedule(&bus->tasklet); |
| 6655 | } |
Franky Lin | 0f37034 | 2011-06-29 16:47:46 -0700 | [diff] [blame^] | 6656 | |
| 6657 | static void brcmf_sdbrcm_sdlock(dhd_bus_t *bus) |
| 6658 | { |
| 6659 | if (bus->threads_only) |
| 6660 | down(&bus->sdsem); |
| 6661 | else |
| 6662 | spin_lock_bh(&bus->sdlock); |
| 6663 | } |
| 6664 | |
| 6665 | static void brcmf_sdbrcm_sdunlock(dhd_bus_t *bus) |
| 6666 | { |
| 6667 | if (bus->threads_only) |
| 6668 | up(&bus->sdsem); |
| 6669 | else |
| 6670 | spin_unlock_bh(&bus->sdlock); |
| 6671 | } |