Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2011 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 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 17 | #include <linux/kernel.h> |
| 18 | #include <linux/module.h> |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 19 | #include <linux/firmware.h> |
| 20 | #include <linux/usb.h> |
John W. Linville | e2ff049 | 2012-11-19 11:04:28 -0500 | [diff] [blame] | 21 | #include <linux/vmalloc.h> |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 22 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 23 | #include <brcmu_utils.h> |
Hante Meuleman | 5779ae6 | 2014-07-12 08:49:34 +0200 | [diff] [blame] | 24 | #include <brcm_hw_ids.h> |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 25 | #include <brcmu_wifi.h> |
Hante Meuleman | d14f78b | 2014-10-28 14:56:14 +0100 | [diff] [blame] | 26 | #include "bus.h" |
Hante Meuleman | a8e8ed3 | 2014-10-28 14:56:13 +0100 | [diff] [blame] | 27 | #include "debug.h" |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 28 | #include "firmware.h" |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 29 | #include "usb.h" |
Hante Meuleman | af5b5e6 | 2016-02-17 11:27:08 +0100 | [diff] [blame] | 30 | #include "core.h" |
| 31 | #include "common.h" |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 32 | |
Hante Meuleman | ac83d0b | 2014-10-28 14:56:10 +0100 | [diff] [blame] | 33 | |
Arend van Spriel | 63ce3d5 | 2016-01-05 11:05:48 +0100 | [diff] [blame] | 34 | #define IOCTL_RESP_TIMEOUT msecs_to_jiffies(2000) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 35 | |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 36 | #define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ |
| 37 | #define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 38 | |
| 39 | #define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle |
| 40 | has boot up */ |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 41 | #define BRCMF_USB_NRXQ 50 |
| 42 | #define BRCMF_USB_NTXQ 50 |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 43 | |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 44 | #define BRCMF_USB_CBCTL_WRITE 0 |
| 45 | #define BRCMF_USB_CBCTL_READ 1 |
| 46 | #define BRCMF_USB_MAX_PKT_SIZE 1600 |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 47 | |
Hante Meuleman | 46d703a | 2015-11-25 11:32:46 +0100 | [diff] [blame] | 48 | BRCMF_FW_DEF(43143, "brcmfmac43143.bin"); |
| 49 | BRCMF_FW_DEF(43236B, "brcmfmac43236b.bin"); |
| 50 | BRCMF_FW_DEF(43242A, "brcmfmac43242a.bin"); |
| 51 | BRCMF_FW_DEF(43569, "brcmfmac43569.bin"); |
| 52 | |
| 53 | static struct brcmf_firmware_mapping brcmf_usb_fwnames[] = { |
| 54 | BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143), |
| 55 | BRCMF_FW_ENTRY(BRCM_CC_43235_CHIP_ID, 0x00000008, 43236B), |
| 56 | BRCMF_FW_ENTRY(BRCM_CC_43236_CHIP_ID, 0x00000008, 43236B), |
| 57 | BRCMF_FW_ENTRY(BRCM_CC_43238_CHIP_ID, 0x00000008, 43236B), |
| 58 | BRCMF_FW_ENTRY(BRCM_CC_43242_CHIP_ID, 0xFFFFFFFF, 43242A), |
| 59 | BRCMF_FW_ENTRY(BRCM_CC_43566_CHIP_ID, 0xFFFFFFFF, 43569), |
| 60 | BRCMF_FW_ENTRY(BRCM_CC_43569_CHIP_ID, 0xFFFFFFFF, 43569) |
| 61 | }; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 62 | |
Hante Meuleman | ac83d0b | 2014-10-28 14:56:10 +0100 | [diff] [blame] | 63 | #define TRX_MAGIC 0x30524448 /* "HDR0" */ |
| 64 | #define TRX_MAX_OFFSET 3 /* Max number of file offsets */ |
| 65 | #define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */ |
| 66 | #define TRX_RDL_CHUNK 1500 /* size of each dl transfer */ |
| 67 | #define TRX_OFFSETS_DLFWLEN_IDX 0 |
| 68 | |
| 69 | /* Control messages: bRequest values */ |
| 70 | #define DL_GETSTATE 0 /* returns the rdl_state_t struct */ |
| 71 | #define DL_CHECK_CRC 1 /* currently unused */ |
| 72 | #define DL_GO 2 /* execute downloaded image */ |
| 73 | #define DL_START 3 /* initialize dl state */ |
| 74 | #define DL_REBOOT 4 /* reboot the device in 2 seconds */ |
| 75 | #define DL_GETVER 5 /* returns the bootrom_id_t struct */ |
| 76 | #define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset |
| 77 | * event to occur in 2 seconds. It is the |
| 78 | * responsibility of the downloaded code to |
| 79 | * clear this event |
| 80 | */ |
| 81 | #define DL_EXEC 7 /* jump to a supplied address */ |
| 82 | #define DL_RESETCFG 8 /* To support single enum on dongle |
| 83 | * - Not used by bootloader |
| 84 | */ |
| 85 | #define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup |
| 86 | * if resp unavailable |
| 87 | */ |
| 88 | |
| 89 | /* states */ |
| 90 | #define DL_WAITING 0 /* waiting to rx first pkt */ |
| 91 | #define DL_READY 1 /* hdr was good, waiting for more of the |
| 92 | * compressed image |
| 93 | */ |
| 94 | #define DL_BAD_HDR 2 /* hdr was corrupted */ |
| 95 | #define DL_BAD_CRC 3 /* compressed image was corrupted */ |
| 96 | #define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */ |
| 97 | #define DL_START_FAIL 5 /* failed to initialize correctly */ |
| 98 | #define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM |
| 99 | * value |
| 100 | */ |
| 101 | #define DL_IMAGE_TOOBIG 7 /* firmware image too big */ |
| 102 | |
| 103 | |
| 104 | struct trx_header_le { |
| 105 | __le32 magic; /* "HDR0" */ |
| 106 | __le32 len; /* Length of file including header */ |
| 107 | __le32 crc32; /* CRC from flag_version to end of file */ |
| 108 | __le32 flag_version; /* 0:15 flags, 16:31 version */ |
| 109 | __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of |
| 110 | * header |
| 111 | */ |
| 112 | }; |
| 113 | |
| 114 | struct rdl_state_le { |
| 115 | __le32 state; |
| 116 | __le32 bytes; |
| 117 | }; |
| 118 | |
| 119 | struct bootrom_id_le { |
| 120 | __le32 chip; /* Chip id */ |
| 121 | __le32 chiprev; /* Chip rev */ |
| 122 | __le32 ramsize; /* Size of RAM */ |
| 123 | __le32 remapbase; /* Current remap base address */ |
| 124 | __le32 boardtype; /* Type of board */ |
| 125 | __le32 boardrev; /* Board revision */ |
| 126 | }; |
| 127 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 128 | struct brcmf_usb_image { |
Hante Meuleman | 803599d | 2012-09-19 22:21:10 +0200 | [diff] [blame] | 129 | struct list_head list; |
| 130 | s8 *fwname; |
| 131 | u8 *image; |
| 132 | int image_len; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 133 | }; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 134 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 135 | struct brcmf_usbdev_info { |
| 136 | struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ |
| 137 | spinlock_t qlock; |
| 138 | struct list_head rx_freeq; |
| 139 | struct list_head rx_postq; |
| 140 | struct list_head tx_freeq; |
| 141 | struct list_head tx_postq; |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 142 | uint rx_pipe, tx_pipe; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 143 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 144 | int rx_low_watermark; |
| 145 | int tx_low_watermark; |
| 146 | int tx_high_watermark; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 147 | int tx_freecount; |
| 148 | bool tx_flowblock; |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 149 | spinlock_t tx_flowblock_lock; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 150 | |
| 151 | struct brcmf_usbreq *tx_reqs; |
| 152 | struct brcmf_usbreq *rx_reqs; |
| 153 | |
Hante Meuleman | 46d703a | 2015-11-25 11:32:46 +0100 | [diff] [blame] | 154 | char fw_name[BRCMF_FW_NAME_LEN]; |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 155 | const u8 *image; /* buffer for combine fw and nvram */ |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 156 | int image_len; |
| 157 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 158 | struct usb_device *usbdev; |
| 159 | struct device *dev; |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 160 | struct mutex dev_init_lock; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 161 | |
| 162 | int ctl_in_pipe, ctl_out_pipe; |
| 163 | struct urb *ctl_urb; /* URB for control endpoint */ |
| 164 | struct usb_ctrlrequest ctl_write; |
| 165 | struct usb_ctrlrequest ctl_read; |
| 166 | u32 ctl_urb_actual_length; |
| 167 | int ctl_urb_status; |
| 168 | int ctl_completed; |
| 169 | wait_queue_head_t ioctl_resp_wait; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 170 | ulong ctl_op; |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 171 | u8 ifnum; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 172 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 173 | struct urb *bulk_urb; /* used for FW download */ |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 174 | |
| 175 | bool wowl_enabled; |
Hante Meuleman | af5b5e6 | 2016-02-17 11:27:08 +0100 | [diff] [blame] | 176 | struct brcmf_mp_device *settings; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 177 | }; |
| 178 | |
| 179 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, |
| 180 | struct brcmf_usbreq *req); |
| 181 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 182 | static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) |
| 183 | { |
| 184 | struct brcmf_bus *bus_if = dev_get_drvdata(dev); |
| 185 | return bus_if->bus_priv.usb; |
| 186 | } |
| 187 | |
| 188 | static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) |
| 189 | { |
| 190 | return brcmf_usb_get_buspub(dev)->devinfo; |
| 191 | } |
| 192 | |
Hante Meuleman | 70398a5 | 2012-09-27 14:17:47 +0200 | [diff] [blame] | 193 | static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 194 | { |
Hante Meuleman | 70398a5 | 2012-09-27 14:17:47 +0200 | [diff] [blame] | 195 | return wait_event_timeout(devinfo->ioctl_resp_wait, |
Arend van Spriel | 63ce3d5 | 2016-01-05 11:05:48 +0100 | [diff] [blame] | 196 | devinfo->ctl_completed, IOCTL_RESP_TIMEOUT); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 197 | } |
| 198 | |
Hante Meuleman | 70398a5 | 2012-09-27 14:17:47 +0200 | [diff] [blame] | 199 | static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 200 | { |
Kosuke Tatsukawa | a7decc4 | 2015-12-10 13:43:08 +0100 | [diff] [blame] | 201 | wake_up(&devinfo->ioctl_resp_wait); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | static void |
| 205 | brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) |
| 206 | { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 207 | brcmf_dbg(USB, "Enter, status=%d\n", status); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 208 | |
| 209 | if (unlikely(devinfo == NULL)) |
| 210 | return; |
| 211 | |
| 212 | if (type == BRCMF_USB_CBCTL_READ) { |
| 213 | if (status == 0) |
| 214 | devinfo->bus_pub.stats.rx_ctlpkts++; |
| 215 | else |
| 216 | devinfo->bus_pub.stats.rx_ctlerrs++; |
| 217 | } else if (type == BRCMF_USB_CBCTL_WRITE) { |
| 218 | if (status == 0) |
| 219 | devinfo->bus_pub.stats.tx_ctlpkts++; |
| 220 | else |
| 221 | devinfo->bus_pub.stats.tx_ctlerrs++; |
| 222 | } |
| 223 | |
| 224 | devinfo->ctl_urb_status = status; |
| 225 | devinfo->ctl_completed = true; |
| 226 | brcmf_usb_ioctl_resp_wake(devinfo); |
| 227 | } |
| 228 | |
| 229 | static void |
| 230 | brcmf_usb_ctlread_complete(struct urb *urb) |
| 231 | { |
| 232 | struct brcmf_usbdev_info *devinfo = |
| 233 | (struct brcmf_usbdev_info *)urb->context; |
| 234 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 235 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 236 | devinfo->ctl_urb_actual_length = urb->actual_length; |
| 237 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, |
| 238 | urb->status); |
| 239 | } |
| 240 | |
| 241 | static void |
| 242 | brcmf_usb_ctlwrite_complete(struct urb *urb) |
| 243 | { |
| 244 | struct brcmf_usbdev_info *devinfo = |
| 245 | (struct brcmf_usbdev_info *)urb->context; |
| 246 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 247 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 248 | brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, |
| 249 | urb->status); |
| 250 | } |
| 251 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 252 | static int |
| 253 | brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) |
| 254 | { |
| 255 | int ret; |
| 256 | u16 size; |
| 257 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 258 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 259 | if (devinfo == NULL || buf == NULL || |
| 260 | len == 0 || devinfo->ctl_urb == NULL) |
| 261 | return -EINVAL; |
| 262 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 263 | size = len; |
| 264 | devinfo->ctl_write.wLength = cpu_to_le16p(&size); |
| 265 | devinfo->ctl_urb->transfer_buffer_length = size; |
| 266 | devinfo->ctl_urb_status = 0; |
| 267 | devinfo->ctl_urb_actual_length = 0; |
| 268 | |
| 269 | usb_fill_control_urb(devinfo->ctl_urb, |
| 270 | devinfo->usbdev, |
| 271 | devinfo->ctl_out_pipe, |
| 272 | (unsigned char *) &devinfo->ctl_write, |
| 273 | buf, size, |
| 274 | (usb_complete_t)brcmf_usb_ctlwrite_complete, |
| 275 | devinfo); |
| 276 | |
| 277 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
| 278 | if (ret < 0) |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 279 | brcmf_err("usb_submit_urb failed %d\n", ret); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 280 | |
| 281 | return ret; |
| 282 | } |
| 283 | |
| 284 | static int |
| 285 | brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) |
| 286 | { |
| 287 | int ret; |
| 288 | u16 size; |
| 289 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 290 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 291 | if ((devinfo == NULL) || (buf == NULL) || (len == 0) |
| 292 | || (devinfo->ctl_urb == NULL)) |
| 293 | return -EINVAL; |
| 294 | |
| 295 | size = len; |
| 296 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); |
| 297 | devinfo->ctl_urb->transfer_buffer_length = size; |
| 298 | |
Hante Meuleman | 8164329 | 2012-09-19 22:21:14 +0200 | [diff] [blame] | 299 | devinfo->ctl_read.bRequestType = USB_DIR_IN |
| 300 | | USB_TYPE_CLASS | USB_RECIP_INTERFACE; |
| 301 | devinfo->ctl_read.bRequest = 1; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 302 | |
| 303 | usb_fill_control_urb(devinfo->ctl_urb, |
| 304 | devinfo->usbdev, |
| 305 | devinfo->ctl_in_pipe, |
| 306 | (unsigned char *) &devinfo->ctl_read, |
| 307 | buf, size, |
| 308 | (usb_complete_t)brcmf_usb_ctlread_complete, |
| 309 | devinfo); |
| 310 | |
| 311 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
| 312 | if (ret < 0) |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 313 | brcmf_err("usb_submit_urb failed %d\n", ret); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 314 | |
| 315 | return ret; |
| 316 | } |
| 317 | |
| 318 | static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) |
| 319 | { |
| 320 | int err = 0; |
| 321 | int timeout = 0; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 322 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
| 323 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 324 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 325 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 326 | return -EIO; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 327 | |
| 328 | if (test_and_set_bit(0, &devinfo->ctl_op)) |
| 329 | return -EIO; |
| 330 | |
Hante Meuleman | a77f574 | 2012-08-30 19:42:58 +0200 | [diff] [blame] | 331 | devinfo->ctl_completed = false; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 332 | err = brcmf_usb_send_ctl(devinfo, buf, len); |
| 333 | if (err) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 334 | brcmf_err("fail %d bytes: %d\n", err, len); |
Hante Meuleman | 6385df2 | 2012-09-19 22:21:16 +0200 | [diff] [blame] | 335 | clear_bit(0, &devinfo->ctl_op); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 336 | return err; |
| 337 | } |
Hante Meuleman | 70398a5 | 2012-09-27 14:17:47 +0200 | [diff] [blame] | 338 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 339 | clear_bit(0, &devinfo->ctl_op); |
| 340 | if (!timeout) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 341 | brcmf_err("Txctl wait timed out\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 342 | err = -EIO; |
| 343 | } |
| 344 | return err; |
| 345 | } |
| 346 | |
| 347 | static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) |
| 348 | { |
| 349 | int err = 0; |
| 350 | int timeout = 0; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 351 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
| 352 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 353 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 354 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 355 | return -EIO; |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 356 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 357 | if (test_and_set_bit(0, &devinfo->ctl_op)) |
| 358 | return -EIO; |
| 359 | |
Hante Meuleman | 70398a5 | 2012-09-27 14:17:47 +0200 | [diff] [blame] | 360 | devinfo->ctl_completed = false; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 361 | err = brcmf_usb_recv_ctl(devinfo, buf, len); |
| 362 | if (err) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 363 | brcmf_err("fail %d bytes: %d\n", err, len); |
Hante Meuleman | 6385df2 | 2012-09-19 22:21:16 +0200 | [diff] [blame] | 364 | clear_bit(0, &devinfo->ctl_op); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 365 | return err; |
| 366 | } |
Hante Meuleman | 70398a5 | 2012-09-27 14:17:47 +0200 | [diff] [blame] | 367 | timeout = brcmf_usb_ioctl_resp_wait(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 368 | err = devinfo->ctl_urb_status; |
| 369 | clear_bit(0, &devinfo->ctl_op); |
| 370 | if (!timeout) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 371 | brcmf_err("rxctl wait timed out\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 372 | err = -EIO; |
| 373 | } |
| 374 | if (!err) |
| 375 | return devinfo->ctl_urb_actual_length; |
| 376 | else |
| 377 | return err; |
| 378 | } |
| 379 | |
| 380 | static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 381 | struct list_head *q, int *counter) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 382 | { |
| 383 | unsigned long flags; |
| 384 | struct brcmf_usbreq *req; |
| 385 | spin_lock_irqsave(&devinfo->qlock, flags); |
| 386 | if (list_empty(q)) { |
| 387 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
| 388 | return NULL; |
| 389 | } |
| 390 | req = list_entry(q->next, struct brcmf_usbreq, list); |
| 391 | list_del_init(q->next); |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 392 | if (counter) |
| 393 | (*counter)--; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 394 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
| 395 | return req; |
| 396 | |
| 397 | } |
| 398 | |
| 399 | static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 400 | struct list_head *q, struct brcmf_usbreq *req, |
| 401 | int *counter) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 402 | { |
| 403 | unsigned long flags; |
| 404 | spin_lock_irqsave(&devinfo->qlock, flags); |
| 405 | list_add_tail(&req->list, q); |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 406 | if (counter) |
| 407 | (*counter)++; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 408 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
| 409 | } |
| 410 | |
| 411 | static struct brcmf_usbreq * |
| 412 | brcmf_usbdev_qinit(struct list_head *q, int qsize) |
| 413 | { |
| 414 | int i; |
| 415 | struct brcmf_usbreq *req, *reqs; |
| 416 | |
Joe Perches | 14f8dc4 | 2013-02-07 11:46:27 +0000 | [diff] [blame] | 417 | reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); |
| 418 | if (reqs == NULL) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 419 | return NULL; |
Joe Perches | 14f8dc4 | 2013-02-07 11:46:27 +0000 | [diff] [blame] | 420 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 421 | req = reqs; |
| 422 | |
| 423 | for (i = 0; i < qsize; i++) { |
| 424 | req->urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 425 | if (!req->urb) |
| 426 | goto fail; |
| 427 | |
| 428 | INIT_LIST_HEAD(&req->list); |
| 429 | list_add_tail(&req->list, q); |
| 430 | req++; |
| 431 | } |
| 432 | return reqs; |
| 433 | fail: |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 434 | brcmf_err("fail!\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 435 | while (!list_empty(q)) { |
| 436 | req = list_entry(q->next, struct brcmf_usbreq, list); |
Markus Elfring | 297540f | 2015-02-04 20:28:49 +0100 | [diff] [blame] | 437 | if (req) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 438 | usb_free_urb(req->urb); |
| 439 | list_del(q->next); |
| 440 | } |
| 441 | return NULL; |
| 442 | |
| 443 | } |
| 444 | |
| 445 | static void brcmf_usb_free_q(struct list_head *q, bool pending) |
| 446 | { |
| 447 | struct brcmf_usbreq *req, *next; |
| 448 | int i = 0; |
| 449 | list_for_each_entry_safe(req, next, q, list) { |
Dan Carpenter | d4ca009 | 2012-02-24 09:22:27 +0300 | [diff] [blame] | 450 | if (!req->urb) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 451 | brcmf_err("bad req\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 452 | break; |
| 453 | } |
| 454 | i++; |
| 455 | if (pending) { |
| 456 | usb_kill_urb(req->urb); |
| 457 | } else { |
| 458 | usb_free_urb(req->urb); |
| 459 | list_del_init(&req->list); |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, |
| 465 | struct brcmf_usbreq *req) |
| 466 | { |
| 467 | unsigned long flags; |
| 468 | |
| 469 | spin_lock_irqsave(&devinfo->qlock, flags); |
| 470 | list_del_init(&req->list); |
| 471 | spin_unlock_irqrestore(&devinfo->qlock, flags); |
| 472 | } |
| 473 | |
| 474 | |
| 475 | static void brcmf_usb_tx_complete(struct urb *urb) |
| 476 | { |
| 477 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; |
| 478 | struct brcmf_usbdev_info *devinfo = req->devinfo; |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 479 | unsigned long flags; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 480 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 481 | brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, |
| 482 | req->skb); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 483 | brcmf_usb_del_fromq(devinfo, req); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 484 | |
Hante Meuleman | 1e2d958 | 2012-09-27 14:17:50 +0200 | [diff] [blame] | 485 | brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 486 | req->skb = NULL; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 487 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 488 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 489 | if (devinfo->tx_freecount > devinfo->tx_high_watermark && |
| 490 | devinfo->tx_flowblock) { |
| 491 | brcmf_txflowblock(devinfo->dev, false); |
| 492 | devinfo->tx_flowblock = false; |
| 493 | } |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 494 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | static void brcmf_usb_rx_complete(struct urb *urb) |
| 498 | { |
| 499 | struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; |
| 500 | struct brcmf_usbdev_info *devinfo = req->devinfo; |
| 501 | struct sk_buff *skb; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 502 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 503 | brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 504 | brcmf_usb_del_fromq(devinfo, req); |
| 505 | skb = req->skb; |
| 506 | req->skb = NULL; |
| 507 | |
Arend van Spriel | a43af51 | 2013-01-02 15:22:43 +0100 | [diff] [blame] | 508 | /* zero lenght packets indicate usb "failure". Do not refill */ |
Hante Meuleman | b1a2a41 | 2013-02-06 18:40:41 +0100 | [diff] [blame] | 509 | if (urb->status != 0 || !urb->actual_length) { |
Arend van Spriel | 01e3331 | 2012-08-30 10:05:34 +0200 | [diff] [blame] | 510 | brcmu_pkt_buf_free_skb(skb); |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 511 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 512 | return; |
| 513 | } |
| 514 | |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 515 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 516 | skb_put(skb, urb->actual_length); |
Franky Lin | c56caa9d | 2016-04-11 11:35:25 +0200 | [diff] [blame] | 517 | brcmf_rx_frame(devinfo->dev, skb, true); |
Arend van Spriel | a43af51 | 2013-01-02 15:22:43 +0100 | [diff] [blame] | 518 | brcmf_usb_rx_refill(devinfo, req); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 519 | } else { |
Arend van Spriel | 01e3331 | 2012-08-30 10:05:34 +0200 | [diff] [blame] | 520 | brcmu_pkt_buf_free_skb(skb); |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 521 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 522 | } |
| 523 | return; |
| 524 | |
| 525 | } |
| 526 | |
| 527 | static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, |
| 528 | struct brcmf_usbreq *req) |
| 529 | { |
| 530 | struct sk_buff *skb; |
| 531 | int ret; |
| 532 | |
| 533 | if (!req || !devinfo) |
| 534 | return; |
| 535 | |
| 536 | skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); |
| 537 | if (!skb) { |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 538 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 539 | return; |
| 540 | } |
| 541 | req->skb = skb; |
| 542 | |
| 543 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, |
| 544 | skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, |
| 545 | req); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 546 | req->devinfo = devinfo; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 547 | brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 548 | |
| 549 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); |
Hante Meuleman | 2e875ac | 2012-08-30 10:05:36 +0200 | [diff] [blame] | 550 | if (ret) { |
| 551 | brcmf_usb_del_fromq(devinfo, req); |
Arend van Spriel | 01e3331 | 2012-08-30 10:05:34 +0200 | [diff] [blame] | 552 | brcmu_pkt_buf_free_skb(req->skb); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 553 | req->skb = NULL; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 554 | brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 555 | } |
| 556 | return; |
| 557 | } |
| 558 | |
| 559 | static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) |
| 560 | { |
| 561 | struct brcmf_usbreq *req; |
| 562 | |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 563 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 564 | brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 565 | return; |
| 566 | } |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 567 | while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 568 | brcmf_usb_rx_refill(devinfo, req); |
| 569 | } |
| 570 | |
| 571 | static void |
| 572 | brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) |
| 573 | { |
| 574 | struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; |
| 575 | int old_state; |
| 576 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 577 | brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", |
| 578 | devinfo->bus_pub.state, state); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 579 | |
| 580 | if (devinfo->bus_pub.state == state) |
| 581 | return; |
| 582 | |
| 583 | old_state = devinfo->bus_pub.state; |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 584 | devinfo->bus_pub.state = state; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 585 | |
| 586 | /* update state of upper layer */ |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 587 | if (state == BRCMFMAC_USB_STATE_DOWN) { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 588 | brcmf_dbg(USB, "DBUS is down\n"); |
Arend van Spriel | bb35071 | 2014-01-13 22:20:29 +0100 | [diff] [blame] | 589 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 590 | } else if (state == BRCMFMAC_USB_STATE_UP) { |
| 591 | brcmf_dbg(USB, "DBUS is up\n"); |
Hante Meuleman | a1cee86 | 2015-01-25 20:31:35 +0100 | [diff] [blame] | 592 | brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_UP); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 593 | } else { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 594 | brcmf_dbg(USB, "DBUS current state=%d\n", state); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 595 | } |
| 596 | } |
| 597 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 598 | static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) |
| 599 | { |
| 600 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
| 601 | struct brcmf_usbreq *req; |
| 602 | int ret; |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 603 | unsigned long flags; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 604 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 605 | brcmf_dbg(USB, "Enter, skb=%p\n", skb); |
Arend van Spriel | 6fc9ca1 | 2013-03-03 12:45:30 +0100 | [diff] [blame] | 606 | if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { |
| 607 | ret = -EIO; |
| 608 | goto fail; |
| 609 | } |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 610 | |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 611 | req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, |
| 612 | &devinfo->tx_freecount); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 613 | if (!req) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 614 | brcmf_err("no req to send\n"); |
Arend van Spriel | 6fc9ca1 | 2013-03-03 12:45:30 +0100 | [diff] [blame] | 615 | ret = -ENOMEM; |
| 616 | goto fail; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 617 | } |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 618 | |
| 619 | req->skb = skb; |
| 620 | req->devinfo = devinfo; |
| 621 | usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, |
| 622 | skb->data, skb->len, brcmf_usb_tx_complete, req); |
| 623 | req->urb->transfer_flags |= URB_ZERO_PACKET; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 624 | brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 625 | ret = usb_submit_urb(req->urb, GFP_ATOMIC); |
Hante Meuleman | 2e875ac | 2012-08-30 10:05:36 +0200 | [diff] [blame] | 626 | if (ret) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 627 | brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); |
Hante Meuleman | 2e875ac | 2012-08-30 10:05:36 +0200 | [diff] [blame] | 628 | brcmf_usb_del_fromq(devinfo, req); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 629 | req->skb = NULL; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 630 | brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, |
Arend van Spriel | 6fc9ca1 | 2013-03-03 12:45:30 +0100 | [diff] [blame] | 631 | &devinfo->tx_freecount); |
| 632 | goto fail; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 633 | } |
| 634 | |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 635 | spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); |
Arend van Spriel | 6fc9ca1 | 2013-03-03 12:45:30 +0100 | [diff] [blame] | 636 | if (devinfo->tx_freecount < devinfo->tx_low_watermark && |
| 637 | !devinfo->tx_flowblock) { |
| 638 | brcmf_txflowblock(dev, true); |
| 639 | devinfo->tx_flowblock = true; |
| 640 | } |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 641 | spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); |
Arend van Spriel | 6fc9ca1 | 2013-03-03 12:45:30 +0100 | [diff] [blame] | 642 | return 0; |
| 643 | |
| 644 | fail: |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 645 | return ret; |
| 646 | } |
| 647 | |
| 648 | |
| 649 | static int brcmf_usb_up(struct device *dev) |
| 650 | { |
| 651 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 652 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 653 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 654 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) |
Dan Carpenter | d4ca009 | 2012-02-24 09:22:27 +0300 | [diff] [blame] | 655 | return 0; |
| 656 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 657 | /* Success, indicate devinfo is fully up */ |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 658 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 659 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 660 | if (devinfo->ctl_urb) { |
| 661 | devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); |
| 662 | devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); |
| 663 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 664 | /* CTL Write */ |
| 665 | devinfo->ctl_write.bRequestType = |
| 666 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; |
| 667 | devinfo->ctl_write.bRequest = 0; |
| 668 | devinfo->ctl_write.wValue = cpu_to_le16(0); |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 669 | devinfo->ctl_write.wIndex = cpu_to_le16(devinfo->ifnum); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 670 | |
| 671 | /* CTL Read */ |
| 672 | devinfo->ctl_read.bRequestType = |
| 673 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; |
| 674 | devinfo->ctl_read.bRequest = 1; |
| 675 | devinfo->ctl_read.wValue = cpu_to_le16(0); |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 676 | devinfo->ctl_read.wIndex = cpu_to_le16(devinfo->ifnum); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 677 | } |
| 678 | brcmf_usb_rx_fill_all(devinfo); |
| 679 | return 0; |
| 680 | } |
| 681 | |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 682 | static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) |
| 683 | { |
| 684 | if (devinfo->ctl_urb) |
| 685 | usb_kill_urb(devinfo->ctl_urb); |
| 686 | if (devinfo->bulk_urb) |
| 687 | usb_kill_urb(devinfo->bulk_urb); |
| 688 | brcmf_usb_free_q(&devinfo->tx_postq, true); |
| 689 | brcmf_usb_free_q(&devinfo->rx_postq, true); |
| 690 | } |
| 691 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 692 | static void brcmf_usb_down(struct device *dev) |
| 693 | { |
| 694 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
| 695 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 696 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 697 | if (devinfo == NULL) |
| 698 | return; |
| 699 | |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 700 | if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 701 | return; |
| 702 | |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 703 | brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 704 | |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 705 | brcmf_cancel_all_urbs(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 706 | } |
| 707 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 708 | static void |
| 709 | brcmf_usb_sync_complete(struct urb *urb) |
| 710 | { |
| 711 | struct brcmf_usbdev_info *devinfo = |
| 712 | (struct brcmf_usbdev_info *)urb->context; |
| 713 | |
Hante Meuleman | 1e271c9 | 2012-10-22 10:36:18 -0700 | [diff] [blame] | 714 | devinfo->ctl_completed = true; |
| 715 | brcmf_usb_ioctl_resp_wake(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 716 | } |
| 717 | |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 718 | static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, |
| 719 | void *buffer, int buflen) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 720 | { |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 721 | int ret; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 722 | char *tmpbuf; |
| 723 | u16 size; |
| 724 | |
| 725 | if ((!devinfo) || (devinfo->ctl_urb == NULL)) |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 726 | return -EINVAL; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 727 | |
| 728 | tmpbuf = kmalloc(buflen, GFP_ATOMIC); |
| 729 | if (!tmpbuf) |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 730 | return -ENOMEM; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 731 | |
| 732 | size = buflen; |
| 733 | devinfo->ctl_urb->transfer_buffer_length = size; |
| 734 | |
| 735 | devinfo->ctl_read.wLength = cpu_to_le16p(&size); |
| 736 | devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | |
| 737 | USB_RECIP_INTERFACE; |
| 738 | devinfo->ctl_read.bRequest = cmd; |
| 739 | |
| 740 | usb_fill_control_urb(devinfo->ctl_urb, |
| 741 | devinfo->usbdev, |
| 742 | usb_rcvctrlpipe(devinfo->usbdev, 0), |
| 743 | (unsigned char *) &devinfo->ctl_read, |
| 744 | (void *) tmpbuf, size, |
| 745 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); |
| 746 | |
Hante Meuleman | 1e271c9 | 2012-10-22 10:36:18 -0700 | [diff] [blame] | 747 | devinfo->ctl_completed = false; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 748 | ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); |
| 749 | if (ret < 0) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 750 | brcmf_err("usb_submit_urb failed %d\n", ret); |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 751 | goto finalize; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 752 | } |
| 753 | |
Mathy Vanhoef | 8180bd4 | 2014-11-12 21:33:34 -0500 | [diff] [blame] | 754 | if (!brcmf_usb_ioctl_resp_wait(devinfo)) { |
| 755 | usb_kill_urb(devinfo->ctl_urb); |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 756 | ret = -ETIMEDOUT; |
Mathy Vanhoef | 8180bd4 | 2014-11-12 21:33:34 -0500 | [diff] [blame] | 757 | } else { |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 758 | memcpy(buffer, tmpbuf, buflen); |
Mathy Vanhoef | 8180bd4 | 2014-11-12 21:33:34 -0500 | [diff] [blame] | 759 | } |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 760 | |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 761 | finalize: |
| 762 | kfree(tmpbuf); |
Hante Meuleman | 1e271c9 | 2012-10-22 10:36:18 -0700 | [diff] [blame] | 763 | return ret; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 764 | } |
| 765 | |
| 766 | static bool |
| 767 | brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) |
| 768 | { |
| 769 | struct bootrom_id_le id; |
| 770 | u32 chipid, chiprev; |
| 771 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 772 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 773 | |
| 774 | if (devinfo == NULL) |
| 775 | return false; |
| 776 | |
| 777 | /* Check if firmware downloaded already by querying runtime ID */ |
| 778 | id.chip = cpu_to_le32(0xDEAD); |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 779 | brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 780 | |
| 781 | chipid = le32_to_cpu(id.chip); |
| 782 | chiprev = le32_to_cpu(id.chiprev); |
| 783 | |
| 784 | if ((chipid & 0x4300) == 0x4300) |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 785 | brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 786 | else |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 787 | brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 788 | if (chipid == BRCMF_POSTBOOT_ID) { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 789 | brcmf_dbg(USB, "firmware already downloaded\n"); |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 790 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 791 | return false; |
| 792 | } else { |
Arend van Spriel | ac94f19 | 2012-03-02 22:55:46 +0100 | [diff] [blame] | 793 | devinfo->bus_pub.devid = chipid; |
| 794 | devinfo->bus_pub.chiprev = chiprev; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 795 | } |
| 796 | return true; |
| 797 | } |
| 798 | |
| 799 | static int |
| 800 | brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) |
| 801 | { |
| 802 | struct bootrom_id_le id; |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 803 | u32 loop_cnt; |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 804 | int err; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 805 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 806 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 807 | |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 808 | loop_cnt = 0; |
| 809 | do { |
| 810 | mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); |
| 811 | loop_cnt++; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 812 | id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 813 | err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); |
| 814 | if ((err) && (err != -ETIMEDOUT)) |
| 815 | return err; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 816 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) |
| 817 | break; |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 818 | } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 819 | |
| 820 | if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 821 | brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", |
| 822 | le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 823 | |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 824 | brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 825 | return 0; |
| 826 | } else { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 827 | brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", |
Hante Meuleman | 83bc9c31 | 2012-11-14 18:46:06 -0800 | [diff] [blame] | 828 | BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 829 | return -EINVAL; |
| 830 | } |
| 831 | } |
| 832 | |
| 833 | |
| 834 | static int |
| 835 | brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) |
| 836 | { |
| 837 | int ret; |
| 838 | |
| 839 | if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) |
| 840 | return -EINVAL; |
| 841 | |
| 842 | /* Prepare the URB */ |
| 843 | usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, |
| 844 | devinfo->tx_pipe, buffer, len, |
| 845 | (usb_complete_t)brcmf_usb_sync_complete, devinfo); |
| 846 | |
| 847 | devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; |
| 848 | |
Hante Meuleman | 1e271c9 | 2012-10-22 10:36:18 -0700 | [diff] [blame] | 849 | devinfo->ctl_completed = false; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 850 | ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); |
| 851 | if (ret) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 852 | brcmf_err("usb_submit_urb failed %d\n", ret); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 853 | return ret; |
| 854 | } |
Hante Meuleman | 1e271c9 | 2012-10-22 10:36:18 -0700 | [diff] [blame] | 855 | ret = brcmf_usb_ioctl_resp_wait(devinfo); |
| 856 | return (ret == 0); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 857 | } |
| 858 | |
| 859 | static int |
| 860 | brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) |
| 861 | { |
| 862 | unsigned int sendlen, sent, dllen; |
| 863 | char *bulkchunk = NULL, *dlpos; |
| 864 | struct rdl_state_le state; |
| 865 | u32 rdlstate, rdlbytes; |
| 866 | int err = 0; |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 867 | |
| 868 | brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 869 | |
Hante Meuleman | ac83d0b | 2014-10-28 14:56:10 +0100 | [diff] [blame] | 870 | bulkchunk = kmalloc(TRX_RDL_CHUNK, GFP_ATOMIC); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 871 | if (bulkchunk == NULL) { |
| 872 | err = -ENOMEM; |
| 873 | goto fail; |
| 874 | } |
| 875 | |
| 876 | /* 1) Prepare USB boot loader for runtime image */ |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 877 | brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state)); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 878 | |
| 879 | rdlstate = le32_to_cpu(state.state); |
| 880 | rdlbytes = le32_to_cpu(state.bytes); |
| 881 | |
| 882 | /* 2) Check we are in the Waiting state */ |
| 883 | if (rdlstate != DL_WAITING) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 884 | brcmf_err("Failed to DL_START\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 885 | err = -EINVAL; |
| 886 | goto fail; |
| 887 | } |
| 888 | sent = 0; |
| 889 | dlpos = fw; |
| 890 | dllen = fwlen; |
| 891 | |
| 892 | /* Get chip id and rev */ |
| 893 | while (rdlbytes != dllen) { |
| 894 | /* Wait until the usb device reports it received all |
| 895 | * the bytes we sent */ |
| 896 | if ((rdlbytes == sent) && (rdlbytes != dllen)) { |
Hante Meuleman | ac83d0b | 2014-10-28 14:56:10 +0100 | [diff] [blame] | 897 | if ((dllen-sent) < TRX_RDL_CHUNK) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 898 | sendlen = dllen-sent; |
| 899 | else |
Hante Meuleman | ac83d0b | 2014-10-28 14:56:10 +0100 | [diff] [blame] | 900 | sendlen = TRX_RDL_CHUNK; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 901 | |
| 902 | /* simply avoid having to send a ZLP by ensuring we |
| 903 | * never have an even |
| 904 | * multiple of 64 |
| 905 | */ |
| 906 | if (!(sendlen % 64)) |
| 907 | sendlen -= 4; |
| 908 | |
| 909 | /* send data */ |
| 910 | memcpy(bulkchunk, dlpos, sendlen); |
| 911 | if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, |
| 912 | sendlen)) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 913 | brcmf_err("send_bulk failed\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 914 | err = -EINVAL; |
| 915 | goto fail; |
| 916 | } |
| 917 | |
| 918 | dlpos += sendlen; |
| 919 | sent += sendlen; |
| 920 | } |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 921 | err = brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, |
| 922 | sizeof(state)); |
| 923 | if (err) { |
| 924 | brcmf_err("DL_GETSTATE Failed\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 925 | goto fail; |
| 926 | } |
| 927 | |
| 928 | rdlstate = le32_to_cpu(state.state); |
| 929 | rdlbytes = le32_to_cpu(state.bytes); |
| 930 | |
| 931 | /* restart if an error is reported */ |
| 932 | if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 933 | brcmf_err("Bad Hdr or Bad CRC state %d\n", |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 934 | rdlstate); |
| 935 | err = -EINVAL; |
| 936 | goto fail; |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | fail: |
| 941 | kfree(bulkchunk); |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 942 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 943 | return err; |
| 944 | } |
| 945 | |
| 946 | static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) |
| 947 | { |
| 948 | int err; |
| 949 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 950 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 951 | |
| 952 | if (devinfo == NULL) |
| 953 | return -EINVAL; |
| 954 | |
Arend van Spriel | ac94f19 | 2012-03-02 22:55:46 +0100 | [diff] [blame] | 955 | if (devinfo->bus_pub.devid == 0xDEAD) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 956 | return -EINVAL; |
| 957 | |
| 958 | err = brcmf_usb_dl_writeimage(devinfo, fw, len); |
| 959 | if (err == 0) |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 960 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 961 | else |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 962 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 963 | brcmf_dbg(USB, "Exit, err=%d\n", err); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 964 | |
| 965 | return err; |
| 966 | } |
| 967 | |
| 968 | static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) |
| 969 | { |
| 970 | struct rdl_state_le state; |
| 971 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 972 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 973 | if (!devinfo) |
| 974 | return -EINVAL; |
| 975 | |
Arend van Spriel | ac94f19 | 2012-03-02 22:55:46 +0100 | [diff] [blame] | 976 | if (devinfo->bus_pub.devid == 0xDEAD) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 977 | return -EINVAL; |
| 978 | |
| 979 | /* Check we are runnable */ |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 980 | state.state = 0; |
| 981 | brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(state)); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 982 | |
| 983 | /* Start the image */ |
| 984 | if (state.state == cpu_to_le32(DL_RUNNABLE)) { |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 985 | if (brcmf_usb_dl_cmd(devinfo, DL_GO, &state, sizeof(state))) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 986 | return -ENODEV; |
| 987 | if (brcmf_usb_resetcfg(devinfo)) |
| 988 | return -ENODEV; |
| 989 | /* The Dongle may go for re-enumeration. */ |
| 990 | } else { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 991 | brcmf_err("Dongle not runnable\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 992 | return -EINVAL; |
| 993 | } |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 994 | brcmf_dbg(USB, "Exit\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 995 | return 0; |
| 996 | } |
| 997 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 998 | static int |
| 999 | brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) |
| 1000 | { |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1001 | int err; |
| 1002 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1003 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1004 | if (devinfo == NULL) |
| 1005 | return -ENODEV; |
| 1006 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1007 | if (!devinfo->image) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 1008 | brcmf_err("No firmware!\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1009 | return -ENOENT; |
| 1010 | } |
| 1011 | |
| 1012 | err = brcmf_usb_dlstart(devinfo, |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1013 | (u8 *)devinfo->image, devinfo->image_len); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1014 | if (err == 0) |
| 1015 | err = brcmf_usb_dlrun(devinfo); |
| 1016 | return err; |
| 1017 | } |
| 1018 | |
| 1019 | |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1020 | static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1021 | { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1022 | brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1023 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1024 | /* free the URBS */ |
| 1025 | brcmf_usb_free_q(&devinfo->rx_freeq, false); |
| 1026 | brcmf_usb_free_q(&devinfo->tx_freeq, false); |
| 1027 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1028 | usb_free_urb(devinfo->ctl_urb); |
| 1029 | usb_free_urb(devinfo->bulk_urb); |
| 1030 | |
| 1031 | kfree(devinfo->tx_reqs); |
| 1032 | kfree(devinfo->rx_reqs); |
Hante Meuleman | af5b5e6 | 2016-02-17 11:27:08 +0100 | [diff] [blame] | 1033 | |
| 1034 | if (devinfo->settings) |
| 1035 | brcmf_release_module_param(devinfo->settings); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1036 | } |
| 1037 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1038 | |
| 1039 | static int check_file(const u8 *headers) |
| 1040 | { |
| 1041 | struct trx_header_le *trx; |
| 1042 | int actual_len = -1; |
| 1043 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1044 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1045 | /* Extract trx header */ |
| 1046 | trx = (struct trx_header_le *) headers; |
| 1047 | if (trx->magic != cpu_to_le32(TRX_MAGIC)) |
| 1048 | return -1; |
| 1049 | |
| 1050 | headers += sizeof(struct trx_header_le); |
| 1051 | |
| 1052 | if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { |
| 1053 | actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); |
| 1054 | return actual_len + sizeof(struct trx_header_le); |
| 1055 | } |
| 1056 | return -1; |
| 1057 | } |
| 1058 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1059 | |
| 1060 | static |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1061 | struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, |
| 1062 | int nrxq, int ntxq) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1063 | { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1064 | brcmf_dbg(USB, "Enter\n"); |
| 1065 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1066 | devinfo->bus_pub.nrxq = nrxq; |
| 1067 | devinfo->rx_low_watermark = nrxq / 2; |
| 1068 | devinfo->bus_pub.devinfo = devinfo; |
| 1069 | devinfo->bus_pub.ntxq = ntxq; |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1070 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1071 | |
| 1072 | /* flow control when too many tx urbs posted */ |
| 1073 | devinfo->tx_low_watermark = ntxq / 4; |
| 1074 | devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1075 | devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; |
| 1076 | |
| 1077 | /* Initialize other structure content */ |
| 1078 | init_waitqueue_head(&devinfo->ioctl_resp_wait); |
| 1079 | |
| 1080 | /* Initialize the spinlocks */ |
| 1081 | spin_lock_init(&devinfo->qlock); |
Hante Meuleman | df50f75 | 2013-06-06 13:17:48 +0200 | [diff] [blame] | 1082 | spin_lock_init(&devinfo->tx_flowblock_lock); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1083 | |
| 1084 | INIT_LIST_HEAD(&devinfo->rx_freeq); |
| 1085 | INIT_LIST_HEAD(&devinfo->rx_postq); |
| 1086 | |
| 1087 | INIT_LIST_HEAD(&devinfo->tx_freeq); |
| 1088 | INIT_LIST_HEAD(&devinfo->tx_postq); |
| 1089 | |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 1090 | devinfo->tx_flowblock = false; |
| 1091 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1092 | devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); |
| 1093 | if (!devinfo->rx_reqs) |
| 1094 | goto error; |
| 1095 | |
| 1096 | devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); |
| 1097 | if (!devinfo->tx_reqs) |
| 1098 | goto error; |
Hante Meuleman | c6ab429 | 2012-09-11 21:18:48 +0200 | [diff] [blame] | 1099 | devinfo->tx_freecount = ntxq; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1100 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1101 | devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 1102 | if (!devinfo->ctl_urb) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 1103 | brcmf_err("usb_alloc_urb (ctl) failed\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1104 | goto error; |
| 1105 | } |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1106 | devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 1107 | if (!devinfo->bulk_urb) { |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 1108 | brcmf_err("usb_alloc_urb (bulk) failed\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1109 | goto error; |
| 1110 | } |
| 1111 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1112 | return &devinfo->bus_pub; |
| 1113 | |
| 1114 | error: |
Arend van Spriel | 5e8149f | 2012-12-07 10:49:57 +0100 | [diff] [blame] | 1115 | brcmf_err("failed!\n"); |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1116 | brcmf_usb_detach(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1117 | return NULL; |
| 1118 | } |
| 1119 | |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 1120 | static void brcmf_usb_wowl_config(struct device *dev, bool enabled) |
| 1121 | { |
| 1122 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); |
| 1123 | |
| 1124 | brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled); |
| 1125 | devinfo->wowl_enabled = enabled; |
| 1126 | if (enabled) |
| 1127 | device_set_wakeup_enable(devinfo->dev, true); |
| 1128 | else |
| 1129 | device_set_wakeup_enable(devinfo->dev, false); |
| 1130 | } |
| 1131 | |
Julia Lawall | 6866a64 | 2015-11-14 17:22:07 +0100 | [diff] [blame] | 1132 | static const struct brcmf_bus_ops brcmf_usb_bus_ops = { |
Arend van Spriel | d9cb259 | 2012-12-05 15:25:54 +0100 | [diff] [blame] | 1133 | .txdata = brcmf_usb_tx, |
Arend van Spriel | d9cb259 | 2012-12-05 15:25:54 +0100 | [diff] [blame] | 1134 | .stop = brcmf_usb_down, |
| 1135 | .txctl = brcmf_usb_tx_ctlpkt, |
| 1136 | .rxctl = brcmf_usb_rx_ctlpkt, |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 1137 | .wowl_config = brcmf_usb_wowl_config, |
Arend van Spriel | d9cb259 | 2012-12-05 15:25:54 +0100 | [diff] [blame] | 1138 | }; |
| 1139 | |
Arend van Spriel | 4dd7de1 | 2014-05-27 12:56:19 +0200 | [diff] [blame] | 1140 | static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) |
| 1141 | { |
| 1142 | int ret; |
| 1143 | |
| 1144 | /* Attach to the common driver interface */ |
Hante Meuleman | af5b5e6 | 2016-02-17 11:27:08 +0100 | [diff] [blame] | 1145 | ret = brcmf_attach(devinfo->dev, devinfo->settings); |
Arend van Spriel | 4dd7de1 | 2014-05-27 12:56:19 +0200 | [diff] [blame] | 1146 | if (ret) { |
| 1147 | brcmf_err("brcmf_attach failed\n"); |
| 1148 | return ret; |
| 1149 | } |
| 1150 | |
| 1151 | ret = brcmf_usb_up(devinfo->dev); |
| 1152 | if (ret) |
| 1153 | goto fail; |
| 1154 | |
| 1155 | ret = brcmf_bus_start(devinfo->dev); |
| 1156 | if (ret) |
| 1157 | goto fail; |
| 1158 | |
| 1159 | return 0; |
| 1160 | fail: |
| 1161 | brcmf_detach(devinfo->dev); |
| 1162 | return ret; |
| 1163 | } |
| 1164 | |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1165 | static void brcmf_usb_probe_phase2(struct device *dev, |
| 1166 | const struct firmware *fw, |
| 1167 | void *nvram, u32 nvlen) |
| 1168 | { |
| 1169 | struct brcmf_bus *bus = dev_get_drvdata(dev); |
| 1170 | struct brcmf_usbdev_info *devinfo; |
| 1171 | int ret; |
| 1172 | |
| 1173 | brcmf_dbg(USB, "Start fw downloading\n"); |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1174 | |
| 1175 | devinfo = bus->bus_priv.usb->devinfo; |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1176 | ret = check_file(fw->data); |
| 1177 | if (ret < 0) { |
| 1178 | brcmf_err("invalid firmware\n"); |
| 1179 | release_firmware(fw); |
| 1180 | goto error; |
| 1181 | } |
| 1182 | |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1183 | devinfo->image = fw->data; |
| 1184 | devinfo->image_len = fw->size; |
| 1185 | |
| 1186 | ret = brcmf_usb_fw_download(devinfo); |
| 1187 | release_firmware(fw); |
| 1188 | if (ret) |
| 1189 | goto error; |
| 1190 | |
| 1191 | ret = brcmf_usb_bus_setup(devinfo); |
| 1192 | if (ret) |
| 1193 | goto error; |
| 1194 | |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1195 | mutex_unlock(&devinfo->dev_init_lock); |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1196 | return; |
| 1197 | error: |
| 1198 | brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1199 | mutex_unlock(&devinfo->dev_init_lock); |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1200 | device_release_driver(dev); |
| 1201 | } |
| 1202 | |
Hante Meuleman | b87e2c4 | 2012-11-14 18:46:23 -0800 | [diff] [blame] | 1203 | static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1204 | { |
| 1205 | struct brcmf_bus *bus = NULL; |
| 1206 | struct brcmf_usbdev *bus_pub = NULL; |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1207 | struct device *dev = devinfo->dev; |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1208 | int ret; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1209 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1210 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1211 | bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); |
Hante Meuleman | 9cd23a7 | 2012-09-13 21:12:04 +0200 | [diff] [blame] | 1212 | if (!bus_pub) |
| 1213 | return -ENODEV; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1214 | |
| 1215 | bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); |
| 1216 | if (!bus) { |
| 1217 | ret = -ENOMEM; |
| 1218 | goto fail; |
| 1219 | } |
| 1220 | |
Arend van Spriel | d9cb259 | 2012-12-05 15:25:54 +0100 | [diff] [blame] | 1221 | bus->dev = dev; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1222 | bus_pub->bus = bus; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1223 | bus->bus_priv.usb = bus_pub; |
| 1224 | dev_set_drvdata(dev, bus); |
Arend van Spriel | d9cb259 | 2012-12-05 15:25:54 +0100 | [diff] [blame] | 1225 | bus->ops = &brcmf_usb_bus_ops; |
Hante Meuleman | 943258b | 2013-12-12 11:59:02 +0100 | [diff] [blame] | 1226 | bus->proto_type = BRCMF_PROTO_BCDC; |
Hante Meuleman | 9cd1835 | 2014-05-12 10:47:30 +0200 | [diff] [blame] | 1227 | bus->always_use_fws_queue = true; |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 1228 | #ifdef CONFIG_PM |
| 1229 | bus->wowl_supported = true; |
| 1230 | #endif |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1231 | |
Hante Meuleman | af5b5e6 | 2016-02-17 11:27:08 +0100 | [diff] [blame] | 1232 | devinfo->settings = brcmf_get_module_param(bus->dev, BRCMF_BUSTYPE_USB, |
| 1233 | bus_pub->devid, |
| 1234 | bus_pub->chiprev); |
| 1235 | if (!devinfo->settings) { |
| 1236 | ret = -ENOMEM; |
| 1237 | goto fail; |
| 1238 | } |
| 1239 | |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1240 | if (!brcmf_usb_dlneeded(devinfo)) { |
| 1241 | ret = brcmf_usb_bus_setup(devinfo); |
| 1242 | if (ret) |
| 1243 | goto fail; |
Arend van Spriel | 86fec35 | 2015-01-25 20:31:37 +0100 | [diff] [blame] | 1244 | /* we are done */ |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1245 | mutex_unlock(&devinfo->dev_init_lock); |
Arend van Spriel | 86fec35 | 2015-01-25 20:31:37 +0100 | [diff] [blame] | 1246 | return 0; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1247 | } |
Arend van Spriel | c6bff54 | 2014-06-20 22:19:25 +0200 | [diff] [blame] | 1248 | bus->chip = bus_pub->devid; |
| 1249 | bus->chiprev = bus_pub->chiprev; |
| 1250 | |
Hante Meuleman | 46d703a | 2015-11-25 11:32:46 +0100 | [diff] [blame] | 1251 | ret = brcmf_fw_map_chip_to_name(bus_pub->devid, bus_pub->chiprev, |
| 1252 | brcmf_usb_fwnames, |
| 1253 | ARRAY_SIZE(brcmf_usb_fwnames), |
| 1254 | devinfo->fw_name, NULL); |
| 1255 | if (ret) |
| 1256 | goto fail; |
| 1257 | |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1258 | /* request firmware here */ |
Hante Meuleman | 46d703a | 2015-11-25 11:32:46 +0100 | [diff] [blame] | 1259 | ret = brcmf_fw_get_firmwares(dev, 0, devinfo->fw_name, NULL, |
| 1260 | brcmf_usb_probe_phase2); |
Rafał Miłecki | 6e65104 | 2015-05-07 14:13:03 +0200 | [diff] [blame] | 1261 | if (ret) { |
| 1262 | brcmf_err("firmware request failed: %d\n", ret); |
| 1263 | goto fail; |
| 1264 | } |
| 1265 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1266 | return 0; |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1267 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1268 | fail: |
| 1269 | /* Release resources in reverse order */ |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1270 | kfree(bus); |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1271 | brcmf_usb_detach(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1272 | return ret; |
| 1273 | } |
| 1274 | |
| 1275 | static void |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1276 | brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1277 | { |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1278 | if (!devinfo) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1279 | return; |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1280 | brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1281 | |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1282 | brcmf_detach(devinfo->dev); |
| 1283 | kfree(devinfo->bus_pub.bus); |
| 1284 | brcmf_usb_detach(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1285 | } |
| 1286 | |
| 1287 | static int |
| 1288 | brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| 1289 | { |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1290 | struct usb_device *usb = interface_to_usbdev(intf); |
| 1291 | struct brcmf_usbdev_info *devinfo; |
| 1292 | struct usb_interface_descriptor *desc; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1293 | struct usb_endpoint_descriptor *endpoint; |
| 1294 | int ret = 0; |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1295 | u32 num_of_eps; |
| 1296 | u8 endpoint_num, ep; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1297 | |
Hante Meuleman | b6fd7fd | 2014-06-21 12:11:12 +0200 | [diff] [blame] | 1298 | brcmf_dbg(USB, "Enter 0x%04x:0x%04x\n", id->idVendor, id->idProduct); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1299 | |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1300 | devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); |
| 1301 | if (devinfo == NULL) |
| 1302 | return -ENOMEM; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1303 | |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1304 | devinfo->usbdev = usb; |
| 1305 | devinfo->dev = &usb->dev; |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1306 | /* Take an init lock, to protect for disconnect while still loading. |
| 1307 | * Necessary because of the asynchronous firmware load construction |
| 1308 | */ |
| 1309 | mutex_init(&devinfo->dev_init_lock); |
| 1310 | mutex_lock(&devinfo->dev_init_lock); |
| 1311 | |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1312 | usb_set_intfdata(intf, devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1313 | |
| 1314 | /* Check that the device supports only one configuration */ |
| 1315 | if (usb->descriptor.bNumConfigurations != 1) { |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1316 | brcmf_err("Number of configurations: %d not supported\n", |
| 1317 | usb->descriptor.bNumConfigurations); |
| 1318 | ret = -ENODEV; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1319 | goto fail; |
| 1320 | } |
| 1321 | |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1322 | if ((usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) && |
| 1323 | (usb->descriptor.bDeviceClass != USB_CLASS_MISC) && |
| 1324 | (usb->descriptor.bDeviceClass != USB_CLASS_WIRELESS_CONTROLLER)) { |
| 1325 | brcmf_err("Device class: 0x%x not supported\n", |
| 1326 | usb->descriptor.bDeviceClass); |
| 1327 | ret = -ENODEV; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1328 | goto fail; |
| 1329 | } |
| 1330 | |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1331 | desc = &intf->altsetting[0].desc; |
| 1332 | if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || |
| 1333 | (desc->bInterfaceSubClass != 2) || |
| 1334 | (desc->bInterfaceProtocol != 0xff)) { |
| 1335 | brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n", |
| 1336 | desc->bInterfaceNumber, desc->bInterfaceClass, |
| 1337 | desc->bInterfaceSubClass, desc->bInterfaceProtocol); |
| 1338 | ret = -ENODEV; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1339 | goto fail; |
| 1340 | } |
| 1341 | |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1342 | num_of_eps = desc->bNumEndpoints; |
| 1343 | for (ep = 0; ep < num_of_eps; ep++) { |
| 1344 | endpoint = &intf->altsetting[0].endpoint[ep].desc; |
| 1345 | endpoint_num = usb_endpoint_num(endpoint); |
| 1346 | if (!usb_endpoint_xfer_bulk(endpoint)) |
| 1347 | continue; |
| 1348 | if (usb_endpoint_dir_in(endpoint)) { |
| 1349 | if (!devinfo->rx_pipe) |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1350 | devinfo->rx_pipe = |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1351 | usb_rcvbulkpipe(usb, endpoint_num); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1352 | } else { |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1353 | if (!devinfo->tx_pipe) |
| 1354 | devinfo->tx_pipe = |
| 1355 | usb_sndbulkpipe(usb, endpoint_num); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1356 | } |
| 1357 | } |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1358 | if (devinfo->rx_pipe == 0) { |
| 1359 | brcmf_err("No RX (in) Bulk EP found\n"); |
| 1360 | ret = -ENODEV; |
| 1361 | goto fail; |
| 1362 | } |
| 1363 | if (devinfo->tx_pipe == 0) { |
| 1364 | brcmf_err("No TX (out) Bulk EP found\n"); |
| 1365 | ret = -ENODEV; |
| 1366 | goto fail; |
| 1367 | } |
| 1368 | |
| 1369 | devinfo->ifnum = desc->bInterfaceNumber; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1370 | |
Oliver Neukum | 8caf115 | 2016-05-02 13:06:12 +0200 | [diff] [blame] | 1371 | if (usb->speed == USB_SPEED_SUPER_PLUS) |
| 1372 | brcmf_dbg(USB, "Broadcom super speed plus USB WLAN interface detected\n"); |
| 1373 | else if (usb->speed == USB_SPEED_SUPER) |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1374 | brcmf_dbg(USB, "Broadcom super speed USB WLAN interface detected\n"); |
Hante Meuleman | de389a5 | 2014-05-27 12:56:20 +0200 | [diff] [blame] | 1375 | else if (usb->speed == USB_SPEED_HIGH) |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1376 | brcmf_dbg(USB, "Broadcom high speed USB WLAN interface detected\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1377 | else |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1378 | brcmf_dbg(USB, "Broadcom full speed USB WLAN interface detected\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1379 | |
Hante Meuleman | b87e2c4 | 2012-11-14 18:46:23 -0800 | [diff] [blame] | 1380 | ret = brcmf_usb_probe_cb(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1381 | if (ret) |
| 1382 | goto fail; |
| 1383 | |
| 1384 | /* Success */ |
| 1385 | return 0; |
| 1386 | |
| 1387 | fail: |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1388 | mutex_unlock(&devinfo->dev_init_lock); |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1389 | kfree(devinfo); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1390 | usb_set_intfdata(intf, NULL); |
| 1391 | return ret; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1392 | } |
| 1393 | |
| 1394 | static void |
| 1395 | brcmf_usb_disconnect(struct usb_interface *intf) |
| 1396 | { |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1397 | struct brcmf_usbdev_info *devinfo; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1398 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1399 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | d74a0b5 | 2012-09-11 21:18:51 +0200 | [diff] [blame] | 1400 | devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); |
Hante Meuleman | 185f0eb | 2015-10-08 20:33:12 +0200 | [diff] [blame] | 1401 | |
| 1402 | if (devinfo) { |
| 1403 | mutex_lock(&devinfo->dev_init_lock); |
| 1404 | /* Make sure that devinfo still exists. Firmware probe routines |
| 1405 | * may have released the device and cleared the intfdata. |
| 1406 | */ |
| 1407 | if (!usb_get_intfdata(intf)) |
| 1408 | goto done; |
| 1409 | |
| 1410 | brcmf_usb_disconnect_cb(devinfo); |
| 1411 | kfree(devinfo); |
| 1412 | } |
| 1413 | done: |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1414 | brcmf_dbg(USB, "Exit\n"); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1415 | } |
| 1416 | |
| 1417 | /* |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1418 | * only need to signal the bus being down and update the state. |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1419 | */ |
| 1420 | static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) |
| 1421 | { |
| 1422 | struct usb_device *usb = interface_to_usbdev(intf); |
| 1423 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); |
| 1424 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1425 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1426 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 1427 | if (devinfo->wowl_enabled) |
| 1428 | brcmf_cancel_all_urbs(devinfo); |
| 1429 | else |
| 1430 | brcmf_detach(&usb->dev); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1431 | return 0; |
| 1432 | } |
| 1433 | |
| 1434 | /* |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1435 | * (re-) start the bus. |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1436 | */ |
| 1437 | static int brcmf_usb_resume(struct usb_interface *intf) |
| 1438 | { |
| 1439 | struct usb_device *usb = interface_to_usbdev(intf); |
| 1440 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); |
| 1441 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1442 | brcmf_dbg(USB, "Enter\n"); |
Hante Meuleman | 244b124 | 2014-10-28 14:56:04 +0100 | [diff] [blame] | 1443 | if (!devinfo->wowl_enabled) |
| 1444 | return brcmf_usb_bus_setup(devinfo); |
| 1445 | |
| 1446 | devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP; |
| 1447 | brcmf_usb_rx_fill_all(devinfo); |
| 1448 | return 0; |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1449 | } |
| 1450 | |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1451 | static int brcmf_usb_reset_resume(struct usb_interface *intf) |
| 1452 | { |
| 1453 | struct usb_device *usb = interface_to_usbdev(intf); |
| 1454 | struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); |
Hante Meuleman | 51c7f5e | 2014-06-21 12:11:15 +0200 | [diff] [blame] | 1455 | |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1456 | brcmf_dbg(USB, "Enter\n"); |
| 1457 | |
Hante Meuleman | 46d703a | 2015-11-25 11:32:46 +0100 | [diff] [blame] | 1458 | return brcmf_fw_get_firmwares(&usb->dev, 0, devinfo->fw_name, NULL, |
Arend van Spriel | 5b8045d | 2014-05-27 12:56:23 +0200 | [diff] [blame] | 1459 | brcmf_usb_probe_phase2); |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1460 | } |
| 1461 | |
Hante Meuleman | 5779ae6 | 2014-07-12 08:49:34 +0200 | [diff] [blame] | 1462 | #define BRCMF_USB_DEVICE(dev_id) \ |
| 1463 | { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) } |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1464 | |
| 1465 | static struct usb_device_id brcmf_usb_devid_table[] = { |
Hante Meuleman | 5779ae6 | 2014-07-12 08:49:34 +0200 | [diff] [blame] | 1466 | BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID), |
| 1467 | BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID), |
| 1468 | BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID), |
| 1469 | BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID), |
Arend van Spriel | 540313d | 2015-12-10 13:43:09 +0100 | [diff] [blame] | 1470 | { USB_DEVICE(BRCM_USB_VENDOR_ID_LG, BRCM_USB_43242_LG_DEVICE_ID) }, |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1471 | /* special entry for device with firmware loaded and running */ |
Hante Meuleman | 5779ae6 | 2014-07-12 08:49:34 +0200 | [diff] [blame] | 1472 | BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID), |
| 1473 | { /* end: all zeroes */ } |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1474 | }; |
Arend van Spriel | 5cfd6e8 | 2013-03-03 12:45:23 +0100 | [diff] [blame] | 1475 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1476 | MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1477 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1478 | static struct usb_driver brcmf_usbdrvr = { |
| 1479 | .name = KBUILD_MODNAME, |
| 1480 | .probe = brcmf_usb_probe, |
| 1481 | .disconnect = brcmf_usb_disconnect, |
| 1482 | .id_table = brcmf_usb_devid_table, |
| 1483 | .suspend = brcmf_usb_suspend, |
| 1484 | .resume = brcmf_usb_resume, |
Hante Meuleman | 7c38e69 | 2012-11-14 18:46:07 -0800 | [diff] [blame] | 1485 | .reset_resume = brcmf_usb_reset_resume, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 1486 | .disable_hub_initiated_lpm = 1, |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1487 | }; |
| 1488 | |
Arend van Spriel | 81d5f1b | 2013-01-02 15:22:40 +0100 | [diff] [blame] | 1489 | static int brcmf_usb_reset_device(struct device *dev, void *notused) |
| 1490 | { |
| 1491 | /* device past is the usb interface so we |
| 1492 | * need to use parent here. |
| 1493 | */ |
| 1494 | brcmf_dev_reset(dev->parent); |
| 1495 | return 0; |
| 1496 | } |
Hante Meuleman | 803599d | 2012-09-19 22:21:10 +0200 | [diff] [blame] | 1497 | |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1498 | void brcmf_usb_exit(void) |
| 1499 | { |
Arend van Spriel | 81d5f1b | 2013-01-02 15:22:40 +0100 | [diff] [blame] | 1500 | struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; |
| 1501 | int ret; |
| 1502 | |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1503 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 81d5f1b | 2013-01-02 15:22:40 +0100 | [diff] [blame] | 1504 | ret = driver_for_each_device(drv, NULL, NULL, |
| 1505 | brcmf_usb_reset_device); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1506 | usb_deregister(&brcmf_usbdrvr); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1507 | } |
| 1508 | |
Arend van Spriel | db4efbb | 2013-09-25 12:11:01 +0200 | [diff] [blame] | 1509 | void brcmf_usb_register(void) |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1510 | { |
Hante Meuleman | cb8b73d | 2012-11-05 16:22:31 -0800 | [diff] [blame] | 1511 | brcmf_dbg(USB, "Enter\n"); |
Arend van Spriel | 549040a | 2012-03-02 22:55:48 +0100 | [diff] [blame] | 1512 | usb_register(&brcmf_usbdrvr); |
Arend van Spriel | 71bb244 | 2012-02-09 21:09:08 +0100 | [diff] [blame] | 1513 | } |