Anton Vorontsov | 236dd4d | 2009-01-10 05:03:21 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Freescale QUICC Engine USB Host Controller Driver |
| 3 | * |
| 4 | * Copyright (c) Freescale Semicondutor, Inc. 2006. |
| 5 | * Shlomi Gridish <gridish@freescale.com> |
| 6 | * Jerry Huang <Chang-Ming.Huang@freescale.com> |
| 7 | * Copyright (c) Logic Product Development, Inc. 2007 |
| 8 | * Peter Barada <peterb@logicpd.com> |
| 9 | * Copyright (c) MontaVista Software, Inc. 2008. |
| 10 | * Anton Vorontsov <avorontsov@ru.mvista.com> |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the |
| 14 | * Free Software Foundation; either version 2 of the License, or (at your |
| 15 | * option) any later version. |
| 16 | */ |
| 17 | |
| 18 | #ifndef __FHCI_H |
| 19 | #define __FHCI_H |
| 20 | |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/spinlock.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | #include <linux/kfifo.h> |
| 26 | #include <linux/io.h> |
| 27 | #include <linux/usb.h> |
| 28 | #include <asm/qe.h> |
| 29 | #include "../core/hcd.h" |
| 30 | |
| 31 | #define USB_CLOCK 48000000 |
| 32 | |
| 33 | #define FHCI_PRAM_SIZE 0x100 |
| 34 | |
| 35 | #define MAX_EDS 32 |
| 36 | #define MAX_TDS 32 |
| 37 | |
| 38 | |
| 39 | /* CRC16 field size */ |
| 40 | #define CRC_SIZE 2 |
| 41 | |
| 42 | /* USB protocol overhead for each frame transmitted from the host */ |
| 43 | #define PROTOCOL_OVERHEAD 7 |
| 44 | |
| 45 | /* Packet structure, info field */ |
| 46 | #define PKT_PID_DATA0 0x80000000 /* PID - Data toggle zero */ |
| 47 | #define PKT_PID_DATA1 0x40000000 /* PID - Data toggle one */ |
| 48 | #define PKT_PID_SETUP 0x20000000 /* PID - Setup bit */ |
| 49 | #define PKT_SETUP_STATUS 0x10000000 /* Setup status bit */ |
| 50 | #define PKT_SETADDR_STATUS 0x08000000 /* Set address status bit */ |
| 51 | #define PKT_SET_HOST_LAST 0x04000000 /* Last data packet */ |
| 52 | #define PKT_HOST_DATA 0x02000000 /* Data packet */ |
| 53 | #define PKT_FIRST_IN_FRAME 0x01000000 /* First packet in the frame */ |
| 54 | #define PKT_TOKEN_FRAME 0x00800000 /* Token packet */ |
| 55 | #define PKT_ZLP 0x00400000 /* Zero length packet */ |
| 56 | #define PKT_IN_TOKEN_FRAME 0x00200000 /* IN token packet */ |
| 57 | #define PKT_OUT_TOKEN_FRAME 0x00100000 /* OUT token packet */ |
| 58 | #define PKT_SETUP_TOKEN_FRAME 0x00080000 /* SETUP token packet */ |
| 59 | #define PKT_STALL_FRAME 0x00040000 /* STALL packet */ |
| 60 | #define PKT_NACK_FRAME 0x00020000 /* NACK packet */ |
| 61 | #define PKT_NO_PID 0x00010000 /* No PID */ |
| 62 | #define PKT_NO_CRC 0x00008000 /* don't append CRC */ |
| 63 | #define PKT_HOST_COMMAND 0x00004000 /* Host command packet */ |
| 64 | #define PKT_DUMMY_PACKET 0x00002000 /* Dummy packet, used for mmm */ |
| 65 | #define PKT_LOW_SPEED_PACKET 0x00001000 /* Low-Speed packet */ |
| 66 | |
| 67 | #define TRANS_OK (0) |
| 68 | #define TRANS_INPROGRESS (-1) |
| 69 | #define TRANS_DISCARD (-2) |
| 70 | #define TRANS_FAIL (-3) |
| 71 | |
| 72 | #define PS_INT 0 |
| 73 | #define PS_DISCONNECTED 1 |
| 74 | #define PS_CONNECTED 2 |
| 75 | #define PS_READY 3 |
| 76 | #define PS_MISSING 4 |
| 77 | |
| 78 | /* Transfer Descriptor status field */ |
| 79 | #define USB_TD_OK 0x00000000 /* TD transmited or received ok */ |
| 80 | #define USB_TD_INPROGRESS 0x80000000 /* TD is being transmitted */ |
| 81 | #define USB_TD_RX_ER_NONOCT 0x40000000 /* Tx Non Octet Aligned Packet */ |
| 82 | #define USB_TD_RX_ER_BITSTUFF 0x20000000 /* Frame Aborted-Received pkt */ |
| 83 | #define USB_TD_RX_ER_CRC 0x10000000 /* CRC error */ |
| 84 | #define USB_TD_RX_ER_OVERUN 0x08000000 /* Over - run occured */ |
| 85 | #define USB_TD_RX_ER_PID 0x04000000 /* wrong PID received */ |
| 86 | #define USB_TD_RX_DATA_UNDERUN 0x02000000 /* shorter than expected */ |
| 87 | #define USB_TD_RX_DATA_OVERUN 0x01000000 /* longer than expected */ |
| 88 | #define USB_TD_TX_ER_NAK 0x00800000 /* NAK handshake */ |
| 89 | #define USB_TD_TX_ER_STALL 0x00400000 /* STALL handshake */ |
| 90 | #define USB_TD_TX_ER_TIMEOUT 0x00200000 /* transmit time out */ |
| 91 | #define USB_TD_TX_ER_UNDERUN 0x00100000 /* transmit underrun */ |
| 92 | |
| 93 | #define USB_TD_ERROR (USB_TD_RX_ER_NONOCT | USB_TD_RX_ER_BITSTUFF | \ |
| 94 | USB_TD_RX_ER_CRC | USB_TD_RX_ER_OVERUN | USB_TD_RX_ER_PID | \ |
| 95 | USB_TD_RX_DATA_UNDERUN | USB_TD_RX_DATA_OVERUN | \ |
| 96 | USB_TD_TX_ER_NAK | USB_TD_TX_ER_STALL | \ |
| 97 | USB_TD_TX_ER_TIMEOUT | USB_TD_TX_ER_UNDERUN) |
| 98 | |
| 99 | /* Transfer Descriptor toggle field */ |
| 100 | #define USB_TD_TOGGLE_DATA0 0 |
| 101 | #define USB_TD_TOGGLE_DATA1 1 |
| 102 | #define USB_TD_TOGGLE_CARRY 2 |
| 103 | |
| 104 | /* #define MULTI_DATA_BUS */ |
| 105 | |
| 106 | /* Bus mode register RBMR/TBMR */ |
| 107 | #define BUS_MODE_GBL 0x20 /* Global snooping */ |
| 108 | #define BUS_MODE_BO 0x18 /* Byte ordering */ |
| 109 | #define BUS_MODE_BO_BE 0x10 /* Byte ordering - Big-endian */ |
| 110 | #define BUS_MODE_DTB 0x02 /* Data bus */ |
| 111 | |
| 112 | /* FHCI QE USB Register Description */ |
| 113 | |
| 114 | /* USB Mode Register bit define */ |
| 115 | #define USB_MODE_EN 0x01 |
| 116 | #define USB_MODE_HOST 0x02 |
| 117 | #define USB_MODE_TEST 0x04 |
| 118 | #define USB_MODE_SFTE 0x08 |
| 119 | #define USB_MODE_RESUME 0x40 |
| 120 | #define USB_MODE_LSS 0x80 |
| 121 | |
| 122 | /* USB Slave Address Register Mask */ |
| 123 | #define USB_SLVADDR_MASK 0x7F |
| 124 | |
| 125 | /* USB Endpoint register define */ |
| 126 | #define USB_EPNUM_MASK 0xF000 |
| 127 | #define USB_EPNUM_SHIFT 12 |
| 128 | |
| 129 | #define USB_TRANS_MODE_SHIFT 8 |
| 130 | #define USB_TRANS_CTR 0x0000 |
| 131 | #define USB_TRANS_INT 0x0100 |
| 132 | #define USB_TRANS_BULK 0x0200 |
| 133 | #define USB_TRANS_ISO 0x0300 |
| 134 | |
| 135 | #define USB_EP_MF 0x0020 |
| 136 | #define USB_EP_RTE 0x0010 |
| 137 | |
| 138 | #define USB_THS_SHIFT 2 |
| 139 | #define USB_THS_MASK 0x000c |
| 140 | #define USB_THS_NORMAL 0x0 |
| 141 | #define USB_THS_IGNORE_IN 0x0004 |
| 142 | #define USB_THS_NACK 0x0008 |
| 143 | #define USB_THS_STALL 0x000c |
| 144 | |
| 145 | #define USB_RHS_SHIFT 0 |
| 146 | #define USB_RHS_MASK 0x0003 |
| 147 | #define USB_RHS_NORMAL 0x0 |
| 148 | #define USB_RHS_IGNORE_OUT 0x0001 |
| 149 | #define USB_RHS_NACK 0x0002 |
| 150 | #define USB_RHS_STALL 0x0003 |
| 151 | |
| 152 | #define USB_RTHS_MASK 0x000f |
| 153 | |
| 154 | /* USB Command Register define */ |
| 155 | #define USB_CMD_STR_FIFO 0x80 |
| 156 | #define USB_CMD_FLUSH_FIFO 0x40 |
| 157 | #define USB_CMD_ISFT 0x20 |
| 158 | #define USB_CMD_DSFT 0x10 |
| 159 | #define USB_CMD_EP_MASK 0x03 |
| 160 | |
| 161 | /* USB Event and Mask Register define */ |
| 162 | #define USB_E_MSF_MASK 0x0800 |
| 163 | #define USB_E_SFT_MASK 0x0400 |
| 164 | #define USB_E_RESET_MASK 0x0200 |
| 165 | #define USB_E_IDLE_MASK 0x0100 |
| 166 | #define USB_E_TXE4_MASK 0x0080 |
| 167 | #define USB_E_TXE3_MASK 0x0040 |
| 168 | #define USB_E_TXE2_MASK 0x0020 |
| 169 | #define USB_E_TXE1_MASK 0x0010 |
| 170 | #define USB_E_SOF_MASK 0x0008 |
| 171 | #define USB_E_BSY_MASK 0x0004 |
| 172 | #define USB_E_TXB_MASK 0x0002 |
| 173 | #define USB_E_RXB_MASK 0x0001 |
| 174 | |
| 175 | /* Freescale USB Host controller registers */ |
| 176 | struct fhci_regs { |
| 177 | u8 usb_mod; /* mode register */ |
| 178 | u8 usb_addr; /* address register */ |
| 179 | u8 usb_comm; /* command register */ |
| 180 | u8 reserved1[1]; |
| 181 | __be16 usb_ep[4]; /* endpoint register */ |
| 182 | u8 reserved2[4]; |
| 183 | __be16 usb_event; /* event register */ |
| 184 | u8 reserved3[2]; |
| 185 | __be16 usb_mask; /* mask register */ |
| 186 | u8 reserved4[1]; |
| 187 | u8 usb_status; /* status register */ |
| 188 | __be16 usb_sof_tmr; /* Start Of Frame timer */ |
| 189 | u8 reserved5[2]; |
| 190 | __be16 usb_frame_num; /* frame number register */ |
| 191 | u8 reserved6[1]; |
| 192 | }; |
| 193 | |
| 194 | /* Freescale USB HOST */ |
| 195 | struct fhci_pram { |
| 196 | __be16 ep_ptr[4]; /* Endpoint porter reg */ |
| 197 | __be32 rx_state; /* Rx internal state */ |
| 198 | __be32 rx_ptr; /* Rx internal data pointer */ |
| 199 | __be16 frame_num; /* Frame number */ |
| 200 | __be16 rx_cnt; /* Rx byte count */ |
| 201 | __be32 rx_temp; /* Rx temp */ |
| 202 | __be32 rx_data_temp; /* Rx data temp */ |
| 203 | __be16 rx_u_ptr; /* Rx microcode return address temp */ |
| 204 | u8 reserved1[2]; /* reserved area */ |
| 205 | __be32 sof_tbl; /* SOF lookup table pointer */ |
| 206 | u8 sof_u_crc_temp; /* SOF micorcode CRC5 temp reg */ |
| 207 | u8 reserved2[0xdb]; |
| 208 | }; |
| 209 | |
| 210 | /* Freescale USB Endpoint*/ |
| 211 | struct fhci_ep_pram { |
| 212 | __be16 rx_base; /* Rx BD base address */ |
| 213 | __be16 tx_base; /* Tx BD base address */ |
| 214 | u8 rx_func_code; /* Rx function code */ |
| 215 | u8 tx_func_code; /* Tx function code */ |
| 216 | __be16 rx_buff_len; /* Rx buffer length */ |
| 217 | __be16 rx_bd_ptr; /* Rx BD pointer */ |
| 218 | __be16 tx_bd_ptr; /* Tx BD pointer */ |
| 219 | __be32 tx_state; /* Tx internal state */ |
| 220 | __be32 tx_ptr; /* Tx internal data pointer */ |
| 221 | __be16 tx_crc; /* temp transmit CRC */ |
| 222 | __be16 tx_cnt; /* Tx byte count */ |
| 223 | __be32 tx_temp; /* Tx temp */ |
| 224 | __be16 tx_u_ptr; /* Tx microcode return address temp */ |
| 225 | __be16 reserved; |
| 226 | }; |
| 227 | |
| 228 | struct fhci_controller_list { |
| 229 | struct list_head ctrl_list; /* control endpoints */ |
| 230 | struct list_head bulk_list; /* bulk endpoints */ |
| 231 | struct list_head iso_list; /* isochronous endpoints */ |
| 232 | struct list_head intr_list; /* interruput endpoints */ |
| 233 | struct list_head done_list; /* done transfers */ |
| 234 | }; |
| 235 | |
| 236 | struct virtual_root_hub { |
| 237 | int dev_num; /* USB address of the root hub */ |
| 238 | u32 feature; /* indicates what feature has been set */ |
| 239 | struct usb_hub_status hub; |
| 240 | struct usb_port_status port; |
| 241 | }; |
| 242 | |
| 243 | enum fhci_gpios { |
| 244 | GPIO_USBOE = 0, |
| 245 | GPIO_USBTP, |
| 246 | GPIO_USBTN, |
| 247 | GPIO_USBRP, |
| 248 | GPIO_USBRN, |
| 249 | /* these are optional */ |
| 250 | GPIO_SPEED, |
| 251 | GPIO_POWER, |
| 252 | NUM_GPIOS, |
| 253 | }; |
| 254 | |
| 255 | enum fhci_pins { |
| 256 | PIN_USBOE = 0, |
| 257 | PIN_USBTP, |
| 258 | PIN_USBTN, |
| 259 | NUM_PINS, |
| 260 | }; |
| 261 | |
| 262 | struct fhci_hcd { |
| 263 | enum qe_clock fullspeed_clk; |
| 264 | enum qe_clock lowspeed_clk; |
| 265 | struct qe_pin *pins[NUM_PINS]; |
| 266 | int gpios[NUM_GPIOS]; |
| 267 | bool alow_gpios[NUM_GPIOS]; |
| 268 | |
| 269 | struct fhci_regs __iomem *regs; /* I/O memory used to communicate */ |
| 270 | struct fhci_pram __iomem *pram; /* Parameter RAM */ |
| 271 | struct gtm_timer *timer; |
| 272 | |
| 273 | spinlock_t lock; |
| 274 | struct fhci_usb *usb_lld; /* Low-level driver */ |
| 275 | struct virtual_root_hub *vroot_hub; /* the virtual root hub */ |
| 276 | int active_urbs; |
| 277 | struct fhci_controller_list *hc_list; |
| 278 | struct tasklet_struct *process_done_task; /* tasklet for done list */ |
| 279 | |
| 280 | struct list_head empty_eds; |
| 281 | struct list_head empty_tds; |
| 282 | |
| 283 | #ifdef CONFIG_FHCI_DEBUG |
| 284 | int usb_irq_stat[13]; |
| 285 | struct dentry *dfs_root; |
| 286 | struct dentry *dfs_regs; |
| 287 | struct dentry *dfs_irq_stat; |
| 288 | #endif |
| 289 | }; |
| 290 | |
| 291 | #define USB_FRAME_USAGE 90 |
| 292 | #define FRAME_TIME_USAGE (USB_FRAME_USAGE*10) /* frame time usage */ |
| 293 | #define SW_FIX_TIME_BETWEEN_TRANSACTION 150 /* SW */ |
| 294 | #define MAX_BYTES_PER_FRAME (USB_FRAME_USAGE*15) |
| 295 | #define MAX_PERIODIC_FRAME_USAGE 90 |
| 296 | |
| 297 | /* transaction type */ |
| 298 | enum fhci_ta_type { |
| 299 | FHCI_TA_IN = 0, /* input transaction */ |
| 300 | FHCI_TA_OUT, /* output transaction */ |
| 301 | FHCI_TA_SETUP, /* setup transaction */ |
| 302 | }; |
| 303 | |
| 304 | /* transfer mode */ |
| 305 | enum fhci_tf_mode { |
| 306 | FHCI_TF_CTRL = 0, |
| 307 | FHCI_TF_ISO, |
| 308 | FHCI_TF_BULK, |
| 309 | FHCI_TF_INTR, |
| 310 | }; |
| 311 | |
| 312 | enum fhci_speed { |
| 313 | FHCI_FULL_SPEED, |
| 314 | FHCI_LOW_SPEED, |
| 315 | }; |
| 316 | |
| 317 | /* endpoint state */ |
| 318 | enum fhci_ed_state { |
| 319 | FHCI_ED_NEW = 0, /* pipe is new */ |
| 320 | FHCI_ED_OPER, /* pipe is operating */ |
| 321 | FHCI_ED_URB_DEL, /* pipe is in hold because urb is being deleted */ |
| 322 | FHCI_ED_SKIP, /* skip this pipe */ |
| 323 | FHCI_ED_HALTED, /* pipe is halted */ |
| 324 | }; |
| 325 | |
| 326 | enum fhci_port_status { |
| 327 | FHCI_PORT_POWER_OFF = 0, |
| 328 | FHCI_PORT_DISABLED, |
| 329 | FHCI_PORT_DISCONNECTING, |
| 330 | FHCI_PORT_WAITING, /* waiting for connection */ |
| 331 | FHCI_PORT_FULL, /* full speed connected */ |
| 332 | FHCI_PORT_LOW, /* low speed connected */ |
| 333 | }; |
| 334 | |
| 335 | enum fhci_mem_alloc { |
| 336 | MEM_CACHABLE_SYS = 0x00000001, /* primary DDR,cachable */ |
| 337 | MEM_NOCACHE_SYS = 0x00000004, /* primary DDR,non-cachable */ |
| 338 | MEM_SECONDARY = 0x00000002, /* either secondary DDR or SDRAM */ |
| 339 | MEM_PRAM = 0x00000008, /* multi-user RAM identifier */ |
| 340 | }; |
| 341 | |
| 342 | /* USB default parameters*/ |
| 343 | #define DEFAULT_RING_LEN 8 |
| 344 | #define DEFAULT_DATA_MEM MEM_CACHABLE_SYS |
| 345 | |
| 346 | struct ed { |
| 347 | u8 dev_addr; /* device address */ |
| 348 | u8 ep_addr; /* endpoint address */ |
| 349 | enum fhci_tf_mode mode; /* USB transfer mode */ |
| 350 | enum fhci_speed speed; |
| 351 | unsigned int max_pkt_size; |
| 352 | enum fhci_ed_state state; |
| 353 | struct list_head td_list; /* a list of all queued TD to this pipe */ |
| 354 | struct list_head node; |
| 355 | |
| 356 | /* read only parameters, should be cleared upon initialization */ |
| 357 | u8 toggle_carry; /* toggle carry from the last TD submitted */ |
| 358 | u32 last_iso; /* time stamp of last queued ISO transfer */ |
| 359 | struct td *td_head; /* a pointer to the current TD handled */ |
| 360 | }; |
| 361 | |
| 362 | struct td { |
| 363 | void *data; /* a pointer to the data buffer */ |
| 364 | unsigned int len; /* length of the data to be submitted */ |
| 365 | unsigned int actual_len; /* actual bytes transfered on this td */ |
| 366 | enum fhci_ta_type type; /* transaction type */ |
| 367 | u8 toggle; /* toggle for next trans. within this TD */ |
| 368 | u16 iso_index; /* ISO transaction index */ |
| 369 | u16 start_frame; /* start frame time stamp */ |
| 370 | u16 interval; /* interval between trans. (for ISO/Intr) */ |
| 371 | u32 status; /* status of the TD */ |
| 372 | struct ed *ed; /* a handle to the corresponding ED */ |
| 373 | struct urb *urb; /* a handle to the corresponding URB */ |
| 374 | bool ioc; /* Inform On Completion */ |
| 375 | struct list_head node; |
| 376 | |
| 377 | /* read only parameters should be cleared upon initialization */ |
| 378 | struct packet *pkt; |
| 379 | int nak_cnt; |
| 380 | int error_cnt; |
| 381 | struct list_head frame_lh; |
| 382 | }; |
| 383 | |
| 384 | struct packet { |
| 385 | u8 *data; /* packet data */ |
| 386 | u32 len; /* packet length */ |
| 387 | u32 status; /* status of the packet - equivalent to the status |
| 388 | * field for the corresponding structure td */ |
| 389 | u32 info; /* packet information */ |
| 390 | void __iomem *priv_data; /* private data of the driver (TDs or BDs) */ |
| 391 | }; |
| 392 | |
| 393 | /* struct for each URB */ |
| 394 | #define URB_INPROGRESS 0 |
| 395 | #define URB_DEL 1 |
| 396 | |
| 397 | /* URB states (state field) */ |
| 398 | #define US_BULK 0 |
| 399 | #define US_BULK0 1 |
| 400 | |
| 401 | /* three setup states */ |
| 402 | #define US_CTRL_SETUP 2 |
| 403 | #define US_CTRL_DATA 1 |
| 404 | #define US_CTRL_ACK 0 |
| 405 | |
| 406 | #define EP_ZERO 0 |
| 407 | |
| 408 | struct urb_priv { |
| 409 | int num_of_tds; |
| 410 | int tds_cnt; |
| 411 | int state; |
| 412 | |
| 413 | struct td **tds; |
| 414 | struct ed *ed; |
| 415 | struct timer_list time_out; |
| 416 | }; |
| 417 | |
| 418 | struct endpoint { |
| 419 | /* Pointer to ep parameter RAM */ |
| 420 | struct fhci_ep_pram __iomem *ep_pram_ptr; |
| 421 | |
| 422 | /* Host transactions */ |
| 423 | struct usb_td __iomem *td_base; /* first TD in the ring */ |
| 424 | struct usb_td __iomem *conf_td; /* next TD for confirm after transac */ |
| 425 | struct usb_td __iomem *empty_td;/* next TD for new transaction req. */ |
Stefani Seibold | 4546548 | 2009-12-21 14:37:26 -0800 | [diff] [blame] | 426 | struct kfifo empty_frame_Q; /* Empty frames list to use */ |
| 427 | struct kfifo conf_frame_Q; /* frames passed to TDs,waiting for tx */ |
| 428 | struct kfifo dummy_packets_Q;/* dummy packets for the CRC overun */ |
Anton Vorontsov | 236dd4d | 2009-01-10 05:03:21 +0300 | [diff] [blame] | 429 | |
| 430 | bool already_pushed_dummy_bd; |
| 431 | }; |
| 432 | |
| 433 | /* struct for each 1mSec frame time */ |
| 434 | #define FRAME_IS_TRANSMITTED 0x00 |
| 435 | #define FRAME_TIMER_END_TRANSMISSION 0x01 |
| 436 | #define FRAME_DATA_END_TRANSMISSION 0x02 |
| 437 | #define FRAME_END_TRANSMISSION 0x03 |
| 438 | #define FRAME_IS_PREPARED 0x04 |
| 439 | |
| 440 | struct fhci_time_frame { |
| 441 | u16 frame_num; /* frame number */ |
| 442 | u16 total_bytes; /* total bytes submitted within this frame */ |
| 443 | u8 frame_status; /* flag that indicates to stop fill this frame */ |
| 444 | struct list_head tds_list; /* all tds of this frame */ |
| 445 | }; |
| 446 | |
| 447 | /* internal driver structure*/ |
| 448 | struct fhci_usb { |
| 449 | u16 saved_msk; /* saving of the USB mask register */ |
| 450 | struct endpoint *ep0; /* pointer for endpoint0 structure */ |
| 451 | int intr_nesting_cnt; /* interrupt nesting counter */ |
| 452 | u16 max_frame_usage; /* max frame time usage,in micro-sec */ |
| 453 | u16 max_bytes_per_frame; /* max byte can be tx in one time frame */ |
| 454 | u32 sw_transaction_time; /* sw complete trans time,in micro-sec */ |
| 455 | struct fhci_time_frame *actual_frame; |
| 456 | struct fhci_controller_list *hc_list; /* main structure for hc */ |
| 457 | struct virtual_root_hub *vroot_hub; |
| 458 | enum fhci_port_status port_status; /* v_rh port status */ |
| 459 | |
| 460 | u32 (*transfer_confirm)(struct fhci_hcd *fhci); |
| 461 | |
| 462 | struct fhci_hcd *fhci; |
| 463 | }; |
| 464 | |
| 465 | /* |
| 466 | * Various helpers and prototypes below. |
| 467 | */ |
| 468 | |
| 469 | static inline u16 get_frame_num(struct fhci_hcd *fhci) |
| 470 | { |
| 471 | return in_be16(&fhci->pram->frame_num) & 0x07ff; |
| 472 | } |
| 473 | |
| 474 | #define fhci_dbg(fhci, fmt, args...) \ |
| 475 | dev_dbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) |
| 476 | #define fhci_vdbg(fhci, fmt, args...) \ |
| 477 | dev_vdbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) |
| 478 | #define fhci_err(fhci, fmt, args...) \ |
| 479 | dev_err(fhci_to_hcd(fhci)->self.controller, fmt, ##args) |
| 480 | #define fhci_info(fhci, fmt, args...) \ |
| 481 | dev_info(fhci_to_hcd(fhci)->self.controller, fmt, ##args) |
| 482 | #define fhci_warn(fhci, fmt, args...) \ |
| 483 | dev_warn(fhci_to_hcd(fhci)->self.controller, fmt, ##args) |
| 484 | |
| 485 | static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd) |
| 486 | { |
| 487 | return (struct fhci_hcd *)hcd->hcd_priv; |
| 488 | } |
| 489 | |
| 490 | static inline struct usb_hcd *fhci_to_hcd(struct fhci_hcd *fhci) |
| 491 | { |
| 492 | return container_of((void *)fhci, struct usb_hcd, hcd_priv); |
| 493 | } |
| 494 | |
| 495 | /* fifo of pointers */ |
Stefani Seibold | 4546548 | 2009-12-21 14:37:26 -0800 | [diff] [blame] | 496 | static inline int cq_new(struct kfifo *fifo, int size) |
Anton Vorontsov | 236dd4d | 2009-01-10 05:03:21 +0300 | [diff] [blame] | 497 | { |
Stefani Seibold | c1e13f2 | 2009-12-21 14:37:27 -0800 | [diff] [blame^] | 498 | return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL); |
Anton Vorontsov | 236dd4d | 2009-01-10 05:03:21 +0300 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | static inline void cq_delete(struct kfifo *kfifo) |
| 502 | { |
| 503 | kfifo_free(kfifo); |
| 504 | } |
| 505 | |
| 506 | static inline unsigned int cq_howmany(struct kfifo *kfifo) |
| 507 | { |
| 508 | return __kfifo_len(kfifo) / sizeof(void *); |
| 509 | } |
| 510 | |
| 511 | static inline int cq_put(struct kfifo *kfifo, void *p) |
| 512 | { |
| 513 | return __kfifo_put(kfifo, (void *)&p, sizeof(p)); |
| 514 | } |
| 515 | |
| 516 | static inline void *cq_get(struct kfifo *kfifo) |
| 517 | { |
| 518 | void *p = NULL; |
| 519 | |
| 520 | __kfifo_get(kfifo, (void *)&p, sizeof(p)); |
| 521 | return p; |
| 522 | } |
| 523 | |
| 524 | /* fhci-hcd.c */ |
| 525 | void fhci_start_sof_timer(struct fhci_hcd *fhci); |
| 526 | void fhci_stop_sof_timer(struct fhci_hcd *fhci); |
| 527 | u16 fhci_get_sof_timer_count(struct fhci_usb *usb); |
| 528 | void fhci_usb_enable_interrupt(struct fhci_usb *usb); |
| 529 | void fhci_usb_disable_interrupt(struct fhci_usb *usb); |
| 530 | int fhci_ioports_check_bus_state(struct fhci_hcd *fhci); |
| 531 | |
| 532 | /* fhci-mem.c */ |
| 533 | void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td); |
| 534 | void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed); |
| 535 | struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci); |
| 536 | struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb, |
| 537 | struct urb_priv *urb_priv, struct ed *ed, u16 index, |
| 538 | enum fhci_ta_type type, int toggle, u8 *data, u32 len, |
| 539 | u16 interval, u16 start_frame, bool ioc); |
| 540 | void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number); |
| 541 | |
| 542 | /* fhci-hub.c */ |
| 543 | void fhci_config_transceiver(struct fhci_hcd *fhci, |
| 544 | enum fhci_port_status status); |
| 545 | void fhci_port_disable(struct fhci_hcd *fhci); |
| 546 | void fhci_port_enable(void *lld); |
| 547 | void fhci_io_port_generate_reset(struct fhci_hcd *fhci); |
| 548 | void fhci_port_reset(void *lld); |
| 549 | int fhci_hub_status_data(struct usb_hcd *hcd, char *buf); |
| 550 | int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, |
| 551 | u16 wIndex, char *buf, u16 wLength); |
| 552 | |
| 553 | /* fhci-tds.c */ |
| 554 | void fhci_flush_bds(struct fhci_usb *usb); |
| 555 | void fhci_flush_actual_frame(struct fhci_usb *usb); |
| 556 | u32 fhci_host_transaction(struct fhci_usb *usb, struct packet *pkt, |
| 557 | enum fhci_ta_type trans_type, u8 dest_addr, |
| 558 | u8 dest_ep, enum fhci_tf_mode trans_mode, |
| 559 | enum fhci_speed dest_speed, u8 data_toggle); |
| 560 | void fhci_host_transmit_actual_frame(struct fhci_usb *usb); |
| 561 | void fhci_tx_conf_interrupt(struct fhci_usb *usb); |
| 562 | void fhci_push_dummy_bd(struct endpoint *ep); |
| 563 | u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, |
| 564 | u32 ring_len); |
| 565 | void fhci_init_ep_registers(struct fhci_usb *usb, |
| 566 | struct endpoint *ep, |
| 567 | enum fhci_mem_alloc data_mem); |
| 568 | void fhci_ep0_free(struct fhci_usb *usb); |
| 569 | |
| 570 | /* fhci-sched.c */ |
| 571 | extern struct tasklet_struct fhci_tasklet; |
| 572 | void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt); |
| 573 | void fhci_flush_all_transmissions(struct fhci_usb *usb); |
| 574 | void fhci_schedule_transactions(struct fhci_usb *usb); |
| 575 | void fhci_device_connected_interrupt(struct fhci_hcd *fhci); |
| 576 | void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci); |
| 577 | void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb); |
| 578 | u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci); |
| 579 | irqreturn_t fhci_irq(struct usb_hcd *hcd); |
| 580 | irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd); |
| 581 | |
| 582 | /* fhci-q.h */ |
| 583 | void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb); |
| 584 | struct td *fhci_remove_td_from_ed(struct ed *ed); |
| 585 | struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame); |
| 586 | void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed); |
| 587 | struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame); |
| 588 | void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td); |
| 589 | struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list); |
| 590 | void fhci_done_td(struct urb *urb, struct td *td); |
| 591 | void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed); |
| 592 | |
| 593 | #ifdef CONFIG_FHCI_DEBUG |
| 594 | |
| 595 | void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er); |
| 596 | void fhci_dfs_destroy(struct fhci_hcd *fhci); |
| 597 | void fhci_dfs_create(struct fhci_hcd *fhci); |
| 598 | |
| 599 | #else |
| 600 | |
| 601 | static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {} |
| 602 | static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {} |
| 603 | static inline void fhci_dfs_create(struct fhci_hcd *fhci) {} |
| 604 | |
| 605 | #endif /* CONFIG_FHCI_DEBUG */ |
| 606 | |
| 607 | #endif /* __FHCI_H */ |