1/* 2 * Copyright (c) 2007-2011 Atheros Communications Inc. 3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18#include <linux/module.h> 19#include <linux/usb.h> 20 21#include "debug.h" 22#include "core.h" 23 24/* constants */ 25#define TX_URB_COUNT 32 26#define RX_URB_COUNT 32 27#define ATH6KL_USB_RX_BUFFER_SIZE 4096 28 29/* tx/rx pipes for usb */ 30enum ATH6KL_USB_PIPE_ID { 31 ATH6KL_USB_PIPE_TX_CTRL = 0, 32 ATH6KL_USB_PIPE_TX_DATA_LP, 33 ATH6KL_USB_PIPE_TX_DATA_MP, 34 ATH6KL_USB_PIPE_TX_DATA_HP, 35 ATH6KL_USB_PIPE_RX_CTRL, 36 ATH6KL_USB_PIPE_RX_DATA, 37 ATH6KL_USB_PIPE_RX_DATA2, 38 ATH6KL_USB_PIPE_RX_INT, 39 ATH6KL_USB_PIPE_MAX 40}; 41 42#define ATH6KL_USB_PIPE_INVALID ATH6KL_USB_PIPE_MAX 43 44struct ath6kl_usb_pipe { 45 struct list_head urb_list_head; 46 struct usb_anchor urb_submitted; 47 u32 urb_alloc; 48 u32 urb_cnt; 49 u32 urb_cnt_thresh; 50 unsigned int usb_pipe_handle; 51 u32 flags; 52 u8 ep_address; 53 u8 logical_pipe_num; 54 struct ath6kl_usb *ar_usb; 55 u16 max_packet_size; 56 struct work_struct io_complete_work; 57 struct sk_buff_head io_comp_queue; 58 struct usb_endpoint_descriptor *ep_desc; 59}; 60 61#define ATH6KL_USB_PIPE_FLAG_TX (1 << 0) 62 63/* usb device object */ 64struct ath6kl_usb { 65 /* protects pipe->urb_list_head and pipe->urb_cnt */ 66 spinlock_t cs_lock; 67 68 struct usb_device *udev; 69 struct usb_interface *interface; 70 struct ath6kl_usb_pipe pipes[ATH6KL_USB_PIPE_MAX]; 71 u8 *diag_cmd_buffer; 72 u8 *diag_resp_buffer; 73 struct ath6kl *ar; 74 struct workqueue_struct *wq; 75}; 76 77/* usb urb object */ 78struct ath6kl_urb_context { 79 struct list_head link; 80 struct ath6kl_usb_pipe *pipe; 81 struct sk_buff *skb; 82 struct ath6kl *ar; 83}; 84 85/* USB endpoint definitions */ 86#define ATH6KL_USB_EP_ADDR_APP_CTRL_IN 0x81 87#define ATH6KL_USB_EP_ADDR_APP_DATA_IN 0x82 88#define ATH6KL_USB_EP_ADDR_APP_DATA2_IN 0x83 89#define ATH6KL_USB_EP_ADDR_APP_INT_IN 0x84 90 91#define ATH6KL_USB_EP_ADDR_APP_CTRL_OUT 0x01 92#define ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT 0x02 93#define ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT 0x03 94#define ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT 0x04 95 96/* diagnostic command defnitions */ 97#define ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD 1 98#define ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP 2 99#define ATH6KL_USB_CONTROL_REQ_DIAG_CMD 3 100#define ATH6KL_USB_CONTROL_REQ_DIAG_RESP 4 101 102#define ATH6KL_USB_CTRL_DIAG_CC_READ 0 103#define ATH6KL_USB_CTRL_DIAG_CC_WRITE 1 104 105struct ath6kl_usb_ctrl_diag_cmd_write { 106 __le32 cmd; 107 __le32 address; 108 __le32 value; 109 __le32 _pad[1]; 110} __packed; 111 112struct ath6kl_usb_ctrl_diag_cmd_read { 113 __le32 cmd; 114 __le32 address; 115} __packed; 116 117struct ath6kl_usb_ctrl_diag_resp_read { 118 __le32 value; 119} __packed; 120 121/* function declarations */ 122static void ath6kl_usb_recv_complete(struct urb *urb); 123 124#define ATH6KL_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02) 125#define ATH6KL_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03) 126#define ATH6KL_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01) 127#define ATH6KL_USB_IS_DIR_IN(addr) ((addr) & 0x80) 128 129/* pipe/urb operations */ 130static struct ath6kl_urb_context * 131ath6kl_usb_alloc_urb_from_pipe(struct ath6kl_usb_pipe *pipe) 132{ 133 struct ath6kl_urb_context *urb_context = NULL; 134 unsigned long flags; 135 136 /* bail if this pipe is not initialized */ 137 if (!pipe->ar_usb) 138 return NULL; 139 140 spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); 141 if (!list_empty(&pipe->urb_list_head)) { 142 urb_context = 143 list_first_entry(&pipe->urb_list_head, 144 struct ath6kl_urb_context, link); 145 list_del(&urb_context->link); 146 pipe->urb_cnt--; 147 } 148 spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); 149 150 return urb_context; 151} 152 153static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe, 154 struct ath6kl_urb_context *urb_context) 155{ 156 unsigned long flags; 157 158 /* bail if this pipe is not initialized */ 159 if (!pipe->ar_usb) 160 return; 161 162 spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); 163 pipe->urb_cnt++; 164 165 list_add(&urb_context->link, &pipe->urb_list_head); 166 spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); 167} 168 169static void ath6kl_usb_cleanup_recv_urb(struct ath6kl_urb_context *urb_context) 170{ 171 dev_kfree_skb(urb_context->skb); 172 urb_context->skb = NULL; 173 174 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 175} 176 177static inline struct ath6kl_usb *ath6kl_usb_priv(struct ath6kl *ar) 178{ 179 return ar->hif_priv; 180} 181 182/* pipe resource allocation/cleanup */ 183static int ath6kl_usb_alloc_pipe_resources(struct ath6kl_usb_pipe *pipe, 184 int urb_cnt) 185{ 186 struct ath6kl_urb_context *urb_context; 187 int status = 0, i; 188 189 INIT_LIST_HEAD(&pipe->urb_list_head); 190 init_usb_anchor(&pipe->urb_submitted); 191 192 for (i = 0; i < urb_cnt; i++) { 193 urb_context = kzalloc(sizeof(struct ath6kl_urb_context), 194 GFP_KERNEL); 195 if (urb_context == NULL) { 196 status = -ENOMEM; 197 goto fail_alloc_pipe_resources; 198 } 199 200 urb_context->pipe = pipe; 201 202 /* 203 * we are only allocate the urb contexts here, the actual URB 204 * is allocated from the kernel as needed to do a transaction 205 */ 206 pipe->urb_alloc++; 207 ath6kl_usb_free_urb_to_pipe(pipe, urb_context); 208 } 209 210 ath6kl_dbg(ATH6KL_DBG_USB, 211 "ath6kl usb: alloc resources lpipe:%d hpipe:0x%X urbs:%d\n", 212 pipe->logical_pipe_num, pipe->usb_pipe_handle, 213 pipe->urb_alloc); 214 215fail_alloc_pipe_resources: 216 return status; 217} 218 219static void ath6kl_usb_free_pipe_resources(struct ath6kl_usb_pipe *pipe) 220{ 221 struct ath6kl_urb_context *urb_context; 222 223 if (pipe->ar_usb == NULL) { 224 /* nothing allocated for this pipe */ 225 return; 226 } 227 228 ath6kl_dbg(ATH6KL_DBG_USB, 229 "ath6kl usb: free resources lpipe:%d" 230 "hpipe:0x%X urbs:%d avail:%d\n", 231 pipe->logical_pipe_num, pipe->usb_pipe_handle, 232 pipe->urb_alloc, pipe->urb_cnt); 233 234 if (pipe->urb_alloc != pipe->urb_cnt) { 235 ath6kl_dbg(ATH6KL_DBG_USB, 236 "ath6kl usb: urb leak! lpipe:%d" 237 "hpipe:0x%X urbs:%d avail:%d\n", 238 pipe->logical_pipe_num, pipe->usb_pipe_handle, 239 pipe->urb_alloc, pipe->urb_cnt); 240 } 241 242 while (true) { 243 urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 244 if (urb_context == NULL) 245 break; 246 kfree(urb_context); 247 } 248} 249 250static void ath6kl_usb_cleanup_pipe_resources(struct ath6kl_usb *ar_usb) 251{ 252 int i; 253 254 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) 255 ath6kl_usb_free_pipe_resources(&ar_usb->pipes[i]); 256} 257 258static u8 ath6kl_usb_get_logical_pipe_num(struct ath6kl_usb *ar_usb, 259 u8 ep_address, int *urb_count) 260{ 261 u8 pipe_num = ATH6KL_USB_PIPE_INVALID; 262 263 switch (ep_address) { 264 case ATH6KL_USB_EP_ADDR_APP_CTRL_IN: 265 pipe_num = ATH6KL_USB_PIPE_RX_CTRL; 266 *urb_count = RX_URB_COUNT; 267 break; 268 case ATH6KL_USB_EP_ADDR_APP_DATA_IN: 269 pipe_num = ATH6KL_USB_PIPE_RX_DATA; 270 *urb_count = RX_URB_COUNT; 271 break; 272 case ATH6KL_USB_EP_ADDR_APP_INT_IN: 273 pipe_num = ATH6KL_USB_PIPE_RX_INT; 274 *urb_count = RX_URB_COUNT; 275 break; 276 case ATH6KL_USB_EP_ADDR_APP_DATA2_IN: 277 pipe_num = ATH6KL_USB_PIPE_RX_DATA2; 278 *urb_count = RX_URB_COUNT; 279 break; 280 case ATH6KL_USB_EP_ADDR_APP_CTRL_OUT: 281 pipe_num = ATH6KL_USB_PIPE_TX_CTRL; 282 *urb_count = TX_URB_COUNT; 283 break; 284 case ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT: 285 pipe_num = ATH6KL_USB_PIPE_TX_DATA_LP; 286 *urb_count = TX_URB_COUNT; 287 break; 288 case ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT: 289 pipe_num = ATH6KL_USB_PIPE_TX_DATA_MP; 290 *urb_count = TX_URB_COUNT; 291 break; 292 case ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT: 293 pipe_num = ATH6KL_USB_PIPE_TX_DATA_HP; 294 *urb_count = TX_URB_COUNT; 295 break; 296 default: 297 /* note: there may be endpoints not currently used */ 298 break; 299 } 300 301 return pipe_num; 302} 303 304static int ath6kl_usb_setup_pipe_resources(struct ath6kl_usb *ar_usb) 305{ 306 struct usb_interface *interface = ar_usb->interface; 307 struct usb_host_interface *iface_desc = interface->cur_altsetting; 308 struct usb_endpoint_descriptor *endpoint; 309 struct ath6kl_usb_pipe *pipe; 310 int i, urbcount, status = 0; 311 u8 pipe_num; 312 313 ath6kl_dbg(ATH6KL_DBG_USB, "setting up USB Pipes using interface\n"); 314 315 /* walk descriptors and setup pipes */ 316 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 317 endpoint = &iface_desc->endpoint[i].desc; 318 319 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 320 ath6kl_dbg(ATH6KL_DBG_USB, 321 "%s Bulk Ep:0x%2.2X maxpktsz:%d\n", 322 ATH6KL_USB_IS_DIR_IN 323 (endpoint->bEndpointAddress) ? 324 "RX" : "TX", endpoint->bEndpointAddress, 325 le16_to_cpu(endpoint->wMaxPacketSize)); 326 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 327 ath6kl_dbg(ATH6KL_DBG_USB, 328 "%s Int Ep:0x%2.2X maxpktsz:%d interval:%d\n", 329 ATH6KL_USB_IS_DIR_IN 330 (endpoint->bEndpointAddress) ? 331 "RX" : "TX", endpoint->bEndpointAddress, 332 le16_to_cpu(endpoint->wMaxPacketSize), 333 endpoint->bInterval); 334 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 335 /* TODO for ISO */ 336 ath6kl_dbg(ATH6KL_DBG_USB, 337 "%s ISOC Ep:0x%2.2X maxpktsz:%d interval:%d\n", 338 ATH6KL_USB_IS_DIR_IN 339 (endpoint->bEndpointAddress) ? 340 "RX" : "TX", endpoint->bEndpointAddress, 341 le16_to_cpu(endpoint->wMaxPacketSize), 342 endpoint->bInterval); 343 } 344 345 /* Ignore broken descriptors. */ 346 if (usb_endpoint_maxp(endpoint) == 0) 347 continue; 348 349 urbcount = 0; 350 351 pipe_num = 352 ath6kl_usb_get_logical_pipe_num(ar_usb, 353 endpoint->bEndpointAddress, 354 &urbcount); 355 if (pipe_num == ATH6KL_USB_PIPE_INVALID) 356 continue; 357 358 pipe = &ar_usb->pipes[pipe_num]; 359 if (pipe->ar_usb != NULL) { 360 /* hmmm..pipe was already setup */ 361 continue; 362 } 363 364 pipe->ar_usb = ar_usb; 365 pipe->logical_pipe_num = pipe_num; 366 pipe->ep_address = endpoint->bEndpointAddress; 367 pipe->max_packet_size = le16_to_cpu(endpoint->wMaxPacketSize); 368 369 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 370 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 371 pipe->usb_pipe_handle = 372 usb_rcvbulkpipe(ar_usb->udev, 373 pipe->ep_address); 374 } else { 375 pipe->usb_pipe_handle = 376 usb_sndbulkpipe(ar_usb->udev, 377 pipe->ep_address); 378 } 379 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 380 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 381 pipe->usb_pipe_handle = 382 usb_rcvintpipe(ar_usb->udev, 383 pipe->ep_address); 384 } else { 385 pipe->usb_pipe_handle = 386 usb_sndintpipe(ar_usb->udev, 387 pipe->ep_address); 388 } 389 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 390 /* TODO for ISO */ 391 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 392 pipe->usb_pipe_handle = 393 usb_rcvisocpipe(ar_usb->udev, 394 pipe->ep_address); 395 } else { 396 pipe->usb_pipe_handle = 397 usb_sndisocpipe(ar_usb->udev, 398 pipe->ep_address); 399 } 400 } 401 402 pipe->ep_desc = endpoint; 403 404 if (!ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) 405 pipe->flags |= ATH6KL_USB_PIPE_FLAG_TX; 406 407 status = ath6kl_usb_alloc_pipe_resources(pipe, urbcount); 408 if (status != 0) 409 break; 410 } 411 412 return status; 413} 414 415/* pipe operations */ 416static void ath6kl_usb_post_recv_transfers(struct ath6kl_usb_pipe *recv_pipe, 417 int buffer_length) 418{ 419 struct ath6kl_urb_context *urb_context; 420 struct urb *urb; 421 int usb_status; 422 423 while (true) { 424 urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe); 425 if (urb_context == NULL) 426 break; 427 428 urb_context->skb = dev_alloc_skb(buffer_length); 429 if (urb_context->skb == NULL) 430 goto err_cleanup_urb; 431 432 urb = usb_alloc_urb(0, GFP_ATOMIC); 433 if (urb == NULL) 434 goto err_cleanup_urb; 435 436 usb_fill_bulk_urb(urb, 437 recv_pipe->ar_usb->udev, 438 recv_pipe->usb_pipe_handle, 439 urb_context->skb->data, 440 buffer_length, 441 ath6kl_usb_recv_complete, urb_context); 442 443 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 444 "ath6kl usb: bulk recv submit:%d, 0x%X (ep:0x%2.2X), %d bytes buf:0x%p\n", 445 recv_pipe->logical_pipe_num, 446 recv_pipe->usb_pipe_handle, recv_pipe->ep_address, 447 buffer_length, urb_context->skb); 448 449 usb_anchor_urb(urb, &recv_pipe->urb_submitted); 450 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 451 452 if (usb_status) { 453 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 454 "ath6kl usb : usb bulk recv failed %d\n", 455 usb_status); 456 usb_unanchor_urb(urb); 457 usb_free_urb(urb); 458 goto err_cleanup_urb; 459 } 460 usb_free_urb(urb); 461 } 462 return; 463 464err_cleanup_urb: 465 ath6kl_usb_cleanup_recv_urb(urb_context); 466 return; 467} 468 469static void ath6kl_usb_flush_all(struct ath6kl_usb *ar_usb) 470{ 471 int i; 472 473 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 474 if (ar_usb->pipes[i].ar_usb != NULL) 475 usb_kill_anchored_urbs(&ar_usb->pipes[i].urb_submitted); 476 } 477 478 /* 479 * Flushing any pending I/O may schedule work this call will block 480 * until all scheduled work runs to completion. 481 */ 482 flush_workqueue(ar_usb->wq); 483} 484 485static void ath6kl_usb_start_recv_pipes(struct ath6kl_usb *ar_usb) 486{ 487 /* 488 * note: control pipe is no longer used 489 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_cnt_thresh = 490 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_alloc/2; 491 * ath6kl_usb_post_recv_transfers(&ar_usb-> 492 * pipes[ATH6KL_USB_PIPE_RX_CTRL], 493 * ATH6KL_USB_RX_BUFFER_SIZE); 494 */ 495 496 ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_cnt_thresh = 1; 497 498 ath6kl_usb_post_recv_transfers(&ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA], 499 ATH6KL_USB_RX_BUFFER_SIZE); 500} 501 502/* hif usb rx/tx completion functions */ 503static void ath6kl_usb_recv_complete(struct urb *urb) 504{ 505 struct ath6kl_urb_context *urb_context = urb->context; 506 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 507 struct sk_buff *skb = NULL; 508 int status = 0; 509 510 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 511 "%s: recv pipe: %d, stat:%d, len:%d urb:0x%p\n", __func__, 512 pipe->logical_pipe_num, urb->status, urb->actual_length, 513 urb); 514 515 if (urb->status != 0) { 516 status = -EIO; 517 switch (urb->status) { 518 case -ECONNRESET: 519 case -ENOENT: 520 case -ESHUTDOWN: 521 /* 522 * no need to spew these errors when device 523 * removed or urb killed due to driver shutdown 524 */ 525 status = -ECANCELED; 526 break; 527 default: 528 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 529 "%s recv pipe: %d (ep:0x%2.2X), failed:%d\n", 530 __func__, pipe->logical_pipe_num, 531 pipe->ep_address, urb->status); 532 break; 533 } 534 goto cleanup_recv_urb; 535 } 536 537 if (urb->actual_length == 0) 538 goto cleanup_recv_urb; 539 540 skb = urb_context->skb; 541 542 /* we are going to pass it up */ 543 urb_context->skb = NULL; 544 skb_put(skb, urb->actual_length); 545 546 /* note: queue implements a lock */ 547 skb_queue_tail(&pipe->io_comp_queue, skb); 548 queue_work(pipe->ar_usb->wq, &pipe->io_complete_work); 549 550cleanup_recv_urb: 551 ath6kl_usb_cleanup_recv_urb(urb_context); 552 553 if (status == 0 && 554 pipe->urb_cnt >= pipe->urb_cnt_thresh) { 555 /* our free urbs are piling up, post more transfers */ 556 ath6kl_usb_post_recv_transfers(pipe, ATH6KL_USB_RX_BUFFER_SIZE); 557 } 558} 559 560static void ath6kl_usb_usb_transmit_complete(struct urb *urb) 561{ 562 struct ath6kl_urb_context *urb_context = urb->context; 563 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 564 struct sk_buff *skb; 565 566 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 567 "%s: pipe: %d, stat:%d, len:%d\n", 568 __func__, pipe->logical_pipe_num, urb->status, 569 urb->actual_length); 570 571 if (urb->status != 0) { 572 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 573 "%s: pipe: %d, failed:%d\n", 574 __func__, pipe->logical_pipe_num, urb->status); 575 } 576 577 skb = urb_context->skb; 578 urb_context->skb = NULL; 579 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 580 581 /* note: queue implements a lock */ 582 skb_queue_tail(&pipe->io_comp_queue, skb); 583 queue_work(pipe->ar_usb->wq, &pipe->io_complete_work); 584} 585 586static void ath6kl_usb_io_comp_work(struct work_struct *work) 587{ 588 struct ath6kl_usb_pipe *pipe = container_of(work, 589 struct ath6kl_usb_pipe, 590 io_complete_work); 591 struct ath6kl_usb *ar_usb; 592 struct sk_buff *skb; 593 594 ar_usb = pipe->ar_usb; 595 596 while ((skb = skb_dequeue(&pipe->io_comp_queue))) { 597 if (pipe->flags & ATH6KL_USB_PIPE_FLAG_TX) { 598 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 599 "ath6kl usb xmit callback buf:0x%p\n", skb); 600 ath6kl_core_tx_complete(ar_usb->ar, skb); 601 } else { 602 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 603 "ath6kl usb recv callback buf:0x%p\n", skb); 604 ath6kl_core_rx_complete(ar_usb->ar, skb, 605 pipe->logical_pipe_num); 606 } 607 } 608} 609 610#define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)) 611#define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read)) 612 613static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb) 614{ 615 ath6kl_usb_flush_all(ar_usb); 616 617 ath6kl_usb_cleanup_pipe_resources(ar_usb); 618 619 usb_set_intfdata(ar_usb->interface, NULL); 620 621 kfree(ar_usb->diag_cmd_buffer); 622 kfree(ar_usb->diag_resp_buffer); 623 destroy_workqueue(ar_usb->wq); 624 625 kfree(ar_usb); 626} 627 628static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface) 629{ 630 struct usb_device *dev = interface_to_usbdev(interface); 631 struct ath6kl_usb *ar_usb; 632 struct ath6kl_usb_pipe *pipe; 633 int status = 0; 634 int i; 635 636 /* ath6kl_usb_destroy() needs ar_usb != NULL && ar_usb->wq != NULL. */ 637 ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL); 638 if (ar_usb == NULL) 639 return NULL; 640 ar_usb->wq = alloc_workqueue("ath6kl_wq", 0, 0); 641 if (!ar_usb->wq) { 642 kfree(ar_usb); 643 return NULL; 644 } 645 646 usb_set_intfdata(interface, ar_usb); 647 spin_lock_init(&(ar_usb->cs_lock)); 648 ar_usb->udev = dev; 649 ar_usb->interface = interface; 650 651 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 652 pipe = &ar_usb->pipes[i]; 653 INIT_WORK(&pipe->io_complete_work, 654 ath6kl_usb_io_comp_work); 655 skb_queue_head_init(&pipe->io_comp_queue); 656 } 657 658 ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL); 659 if (ar_usb->diag_cmd_buffer == NULL) { 660 status = -ENOMEM; 661 goto fail_ath6kl_usb_create; 662 } 663 664 ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP, 665 GFP_KERNEL); 666 if (ar_usb->diag_resp_buffer == NULL) { 667 status = -ENOMEM; 668 goto fail_ath6kl_usb_create; 669 } 670 671 status = ath6kl_usb_setup_pipe_resources(ar_usb); 672 673fail_ath6kl_usb_create: 674 if (status != 0) { 675 ath6kl_usb_destroy(ar_usb); 676 ar_usb = NULL; 677 } 678 return ar_usb; 679} 680 681static void ath6kl_usb_device_detached(struct usb_interface *interface) 682{ 683 struct ath6kl_usb *ar_usb; 684 685 ar_usb = usb_get_intfdata(interface); 686 if (ar_usb == NULL) 687 return; 688 689 ath6kl_stop_txrx(ar_usb->ar); 690 691 /* Delay to wait for the target to reboot */ 692 mdelay(20); 693 ath6kl_core_cleanup(ar_usb->ar); 694 ath6kl_usb_destroy(ar_usb); 695} 696 697/* exported hif usb APIs for htc pipe */ 698static void hif_start(struct ath6kl *ar) 699{ 700 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 701 int i; 702 703 ath6kl_usb_start_recv_pipes(device); 704 705 /* set the TX resource avail threshold for each TX pipe */ 706 for (i = ATH6KL_USB_PIPE_TX_CTRL; 707 i <= ATH6KL_USB_PIPE_TX_DATA_HP; i++) { 708 device->pipes[i].urb_cnt_thresh = 709 device->pipes[i].urb_alloc / 2; 710 } 711} 712 713static int ath6kl_usb_send(struct ath6kl *ar, u8 PipeID, 714 struct sk_buff *hdr_skb, struct sk_buff *skb) 715{ 716 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 717 struct ath6kl_usb_pipe *pipe = &device->pipes[PipeID]; 718 struct ath6kl_urb_context *urb_context; 719 int usb_status, status = 0; 720 struct urb *urb; 721 u8 *data; 722 u32 len; 723 724 ath6kl_dbg(ATH6KL_DBG_USB_BULK, "+%s pipe : %d, buf:0x%p\n", 725 __func__, PipeID, skb); 726 727 urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 728 729 if (urb_context == NULL) { 730 /* 731 * TODO: it is possible to run out of urbs if 732 * 2 endpoints map to the same pipe ID 733 */ 734 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 735 "%s pipe:%d no urbs left. URB Cnt : %d\n", 736 __func__, PipeID, pipe->urb_cnt); 737 status = -ENOMEM; 738 goto fail_hif_send; 739 } 740 741 urb_context->skb = skb; 742 743 data = skb->data; 744 len = skb->len; 745 746 urb = usb_alloc_urb(0, GFP_ATOMIC); 747 if (urb == NULL) { 748 status = -ENOMEM; 749 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 750 urb_context); 751 goto fail_hif_send; 752 } 753 754 usb_fill_bulk_urb(urb, 755 device->udev, 756 pipe->usb_pipe_handle, 757 data, 758 len, 759 ath6kl_usb_usb_transmit_complete, urb_context); 760 761 if ((len % pipe->max_packet_size) == 0) { 762 /* hit a max packet boundary on this pipe */ 763 urb->transfer_flags |= URB_ZERO_PACKET; 764 } 765 766 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 767 "athusb bulk send submit:%d, 0x%X (ep:0x%2.2X), %d bytes\n", 768 pipe->logical_pipe_num, pipe->usb_pipe_handle, 769 pipe->ep_address, len); 770 771 usb_anchor_urb(urb, &pipe->urb_submitted); 772 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 773 774 if (usb_status) { 775 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 776 "ath6kl usb : usb bulk transmit failed %d\n", 777 usb_status); 778 usb_unanchor_urb(urb); 779 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 780 urb_context); 781 status = -EINVAL; 782 } 783 usb_free_urb(urb); 784 785fail_hif_send: 786 return status; 787} 788 789static void hif_stop(struct ath6kl *ar) 790{ 791 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 792 793 ath6kl_usb_flush_all(device); 794} 795 796static void ath6kl_usb_get_default_pipe(struct ath6kl *ar, 797 u8 *ul_pipe, u8 *dl_pipe) 798{ 799 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 800 *dl_pipe = ATH6KL_USB_PIPE_RX_CTRL; 801} 802 803static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id, 804 u8 *ul_pipe, u8 *dl_pipe) 805{ 806 int status = 0; 807 808 switch (svc_id) { 809 case HTC_CTRL_RSVD_SVC: 810 case WMI_CONTROL_SVC: 811 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 812 /* due to large control packets, shift to data pipe */ 813 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 814 break; 815 case WMI_DATA_BE_SVC: 816 case WMI_DATA_BK_SVC: 817 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 818 /* 819 * Disable rxdata2 directly, it will be enabled 820 * if FW enable rxdata2 821 */ 822 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 823 break; 824 case WMI_DATA_VI_SVC: 825 826 if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, 827 ar->fw_capabilities)) 828 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 829 else 830 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 831 /* 832 * Disable rxdata2 directly, it will be enabled 833 * if FW enable rxdata2 834 */ 835 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 836 break; 837 case WMI_DATA_VO_SVC: 838 839 if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, 840 ar->fw_capabilities)) 841 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 842 else 843 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 844 /* 845 * Disable rxdata2 directly, it will be enabled 846 * if FW enable rxdata2 847 */ 848 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 849 break; 850 default: 851 status = -EPERM; 852 break; 853 } 854 855 return status; 856} 857 858static u16 ath6kl_usb_get_free_queue_number(struct ath6kl *ar, u8 pipe_id) 859{ 860 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 861 862 return device->pipes[pipe_id].urb_cnt; 863} 864 865static void hif_detach_htc(struct ath6kl *ar) 866{ 867 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 868 869 ath6kl_usb_flush_all(device); 870} 871 872static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb, 873 u8 req, u16 value, u16 index, void *data, 874 u32 size) 875{ 876 u8 *buf = NULL; 877 int ret; 878 879 if (size > 0) { 880 buf = kmemdup(data, size, GFP_KERNEL); 881 if (buf == NULL) 882 return -ENOMEM; 883 } 884 885 /* note: if successful returns number of bytes transfered */ 886 ret = usb_control_msg(ar_usb->udev, 887 usb_sndctrlpipe(ar_usb->udev, 0), 888 req, 889 USB_DIR_OUT | USB_TYPE_VENDOR | 890 USB_RECIP_DEVICE, value, index, buf, 891 size, 1000); 892 893 if (ret < 0) { 894 ath6kl_warn("Failed to submit usb control message: %d\n", ret); 895 kfree(buf); 896 return ret; 897 } 898 899 kfree(buf); 900 901 return 0; 902} 903 904static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb, 905 u8 req, u16 value, u16 index, void *data, 906 u32 size) 907{ 908 u8 *buf = NULL; 909 int ret; 910 911 if (size > 0) { 912 buf = kmalloc(size, GFP_KERNEL); 913 if (buf == NULL) 914 return -ENOMEM; 915 } 916 917 /* note: if successful returns number of bytes transfered */ 918 ret = usb_control_msg(ar_usb->udev, 919 usb_rcvctrlpipe(ar_usb->udev, 0), 920 req, 921 USB_DIR_IN | USB_TYPE_VENDOR | 922 USB_RECIP_DEVICE, value, index, buf, 923 size, 2000); 924 925 if (ret < 0) { 926 ath6kl_warn("Failed to read usb control message: %d\n", ret); 927 kfree(buf); 928 return ret; 929 } 930 931 memcpy((u8 *) data, buf, size); 932 933 kfree(buf); 934 935 return 0; 936} 937 938static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb, 939 u8 req_val, u8 *req_buf, u32 req_len, 940 u8 resp_val, u8 *resp_buf, u32 *resp_len) 941{ 942 int ret; 943 944 /* send command */ 945 ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0, 946 req_buf, req_len); 947 948 if (ret != 0) 949 return ret; 950 951 if (resp_buf == NULL) { 952 /* no expected response */ 953 return ret; 954 } 955 956 /* get response */ 957 ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0, 958 resp_buf, *resp_len); 959 960 return ret; 961} 962 963static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data) 964{ 965 struct ath6kl_usb *ar_usb = ar->hif_priv; 966 struct ath6kl_usb_ctrl_diag_resp_read *resp; 967 struct ath6kl_usb_ctrl_diag_cmd_read *cmd; 968 u32 resp_len; 969 int ret; 970 971 cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer; 972 973 memset(cmd, 0, sizeof(*cmd)); 974 cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ; 975 cmd->address = cpu_to_le32(address); 976 resp_len = sizeof(*resp); 977 978 ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, 979 ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 980 (u8 *) cmd, 981 sizeof(struct ath6kl_usb_ctrl_diag_cmd_write), 982 ATH6KL_USB_CONTROL_REQ_DIAG_RESP, 983 ar_usb->diag_resp_buffer, &resp_len); 984 985 if (ret) { 986 ath6kl_warn("diag read32 failed: %d\n", ret); 987 return ret; 988 } 989 990 resp = (struct ath6kl_usb_ctrl_diag_resp_read *) 991 ar_usb->diag_resp_buffer; 992 993 *data = le32_to_cpu(resp->value); 994 995 return ret; 996} 997 998static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data) 999{ 1000 struct ath6kl_usb *ar_usb = ar->hif_priv; 1001 struct ath6kl_usb_ctrl_diag_cmd_write *cmd; 1002 int ret; 1003 1004 cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer; 1005 1006 memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)); 1007 cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE); 1008 cmd->address = cpu_to_le32(address); 1009 cmd->value = data; 1010 1011 ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, 1012 ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 1013 (u8 *) cmd, 1014 sizeof(*cmd), 1015 0, NULL, NULL); 1016 if (ret) { 1017 ath6kl_warn("diag_write32 failed: %d\n", ret); 1018 return ret; 1019 } 1020 1021 return 0; 1022} 1023 1024static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len) 1025{ 1026 struct ath6kl_usb *ar_usb = ar->hif_priv; 1027 int ret; 1028 1029 /* get response */ 1030 ret = ath6kl_usb_submit_ctrl_in(ar_usb, 1031 ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP, 1032 0, 0, buf, len); 1033 if (ret) { 1034 ath6kl_err("Unable to read the bmi data from the device: %d\n", 1035 ret); 1036 return ret; 1037 } 1038 1039 return 0; 1040} 1041 1042static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len) 1043{ 1044 struct ath6kl_usb *ar_usb = ar->hif_priv; 1045 int ret; 1046 1047 /* send command */ 1048 ret = ath6kl_usb_submit_ctrl_out(ar_usb, 1049 ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD, 1050 0, 0, buf, len); 1051 if (ret) { 1052 ath6kl_err("unable to send the bmi data to the device: %d\n", 1053 ret); 1054 return ret; 1055 } 1056 1057 return 0; 1058} 1059 1060static int ath6kl_usb_power_on(struct ath6kl *ar) 1061{ 1062 hif_start(ar); 1063 return 0; 1064} 1065 1066static int ath6kl_usb_power_off(struct ath6kl *ar) 1067{ 1068 hif_detach_htc(ar); 1069 return 0; 1070} 1071 1072static void ath6kl_usb_stop(struct ath6kl *ar) 1073{ 1074 hif_stop(ar); 1075} 1076 1077static void ath6kl_usb_cleanup_scatter(struct ath6kl *ar) 1078{ 1079 /* 1080 * USB doesn't support it. Just return. 1081 */ 1082 return; 1083} 1084 1085static int ath6kl_usb_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 1086{ 1087 /* 1088 * cfg80211 suspend/WOW currently not supported for USB. 1089 */ 1090 return 0; 1091} 1092 1093static int ath6kl_usb_resume(struct ath6kl *ar) 1094{ 1095 /* 1096 * cfg80211 resume currently not supported for USB. 1097 */ 1098 return 0; 1099} 1100 1101static const struct ath6kl_hif_ops ath6kl_usb_ops = { 1102 .diag_read32 = ath6kl_usb_diag_read32, 1103 .diag_write32 = ath6kl_usb_diag_write32, 1104 .bmi_read = ath6kl_usb_bmi_read, 1105 .bmi_write = ath6kl_usb_bmi_write, 1106 .power_on = ath6kl_usb_power_on, 1107 .power_off = ath6kl_usb_power_off, 1108 .stop = ath6kl_usb_stop, 1109 .pipe_send = ath6kl_usb_send, 1110 .pipe_get_default = ath6kl_usb_get_default_pipe, 1111 .pipe_map_service = ath6kl_usb_map_service_pipe, 1112 .pipe_get_free_queue_number = ath6kl_usb_get_free_queue_number, 1113 .cleanup_scatter = ath6kl_usb_cleanup_scatter, 1114 .suspend = ath6kl_usb_suspend, 1115 .resume = ath6kl_usb_resume, 1116}; 1117 1118/* ath6kl usb driver registered functions */ 1119static int ath6kl_usb_probe(struct usb_interface *interface, 1120 const struct usb_device_id *id) 1121{ 1122 struct usb_device *dev = interface_to_usbdev(interface); 1123 struct ath6kl *ar; 1124 struct ath6kl_usb *ar_usb = NULL; 1125 int vendor_id, product_id; 1126 int ret = 0; 1127 1128 usb_get_dev(dev); 1129 1130 vendor_id = le16_to_cpu(dev->descriptor.idVendor); 1131 product_id = le16_to_cpu(dev->descriptor.idProduct); 1132 1133 ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id); 1134 ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id); 1135 1136 if (interface->cur_altsetting) 1137 ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n", 1138 interface->cur_altsetting->desc.bInterfaceNumber); 1139 1140 1141 if (dev->speed == USB_SPEED_HIGH) 1142 ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n"); 1143 else 1144 ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n"); 1145 1146 ar_usb = ath6kl_usb_create(interface); 1147 1148 if (ar_usb == NULL) { 1149 ret = -ENOMEM; 1150 goto err_usb_put; 1151 } 1152 1153 ar = ath6kl_core_create(&ar_usb->udev->dev); 1154 if (ar == NULL) { 1155 ath6kl_err("Failed to alloc ath6kl core\n"); 1156 ret = -ENOMEM; 1157 goto err_usb_destroy; 1158 } 1159 1160 ar->hif_priv = ar_usb; 1161 ar->hif_type = ATH6KL_HIF_TYPE_USB; 1162 ar->hif_ops = &ath6kl_usb_ops; 1163 ar->mbox_info.block_size = 16; 1164 ar->bmi.max_data_size = 252; 1165 1166 ar_usb->ar = ar; 1167 1168 ret = ath6kl_core_init(ar, ATH6KL_HTC_TYPE_PIPE); 1169 if (ret) { 1170 ath6kl_err("Failed to init ath6kl core: %d\n", ret); 1171 goto err_core_free; 1172 } 1173 1174 return ret; 1175 1176err_core_free: 1177 ath6kl_core_destroy(ar); 1178err_usb_destroy: 1179 ath6kl_usb_destroy(ar_usb); 1180err_usb_put: 1181 usb_put_dev(dev); 1182 1183 return ret; 1184} 1185 1186static void ath6kl_usb_remove(struct usb_interface *interface) 1187{ 1188 usb_put_dev(interface_to_usbdev(interface)); 1189 ath6kl_usb_device_detached(interface); 1190} 1191 1192#ifdef CONFIG_PM 1193 1194static int ath6kl_usb_pm_suspend(struct usb_interface *interface, 1195 pm_message_t message) 1196{ 1197 struct ath6kl_usb *device; 1198 device = usb_get_intfdata(interface); 1199 1200 ath6kl_usb_flush_all(device); 1201 return 0; 1202} 1203 1204static int ath6kl_usb_pm_resume(struct usb_interface *interface) 1205{ 1206 struct ath6kl_usb *device; 1207 device = usb_get_intfdata(interface); 1208 1209 ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA], 1210 ATH6KL_USB_RX_BUFFER_SIZE); 1211 ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA2], 1212 ATH6KL_USB_RX_BUFFER_SIZE); 1213 1214 return 0; 1215} 1216 1217#else 1218 1219#define ath6kl_usb_pm_suspend NULL 1220#define ath6kl_usb_pm_resume NULL 1221 1222#endif 1223 1224/* table of devices that work with this driver */ 1225static const struct usb_device_id ath6kl_usb_ids[] = { 1226 {USB_DEVICE(0x0cf3, 0x9375)}, 1227 {USB_DEVICE(0x0cf3, 0x9374)}, 1228 {USB_DEVICE(0x04da, 0x390d)}, 1229 { /* Terminating entry */ }, 1230}; 1231 1232MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids); 1233 1234static struct usb_driver ath6kl_usb_driver = { 1235 .name = "ath6kl_usb", 1236 .probe = ath6kl_usb_probe, 1237 .suspend = ath6kl_usb_pm_suspend, 1238 .resume = ath6kl_usb_pm_resume, 1239 .disconnect = ath6kl_usb_remove, 1240 .id_table = ath6kl_usb_ids, 1241 .supports_autosuspend = true, 1242 .disable_hub_initiated_lpm = 1, 1243}; 1244 1245module_usb_driver(ath6kl_usb_driver); 1246 1247MODULE_AUTHOR("Atheros Communications, Inc."); 1248MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices"); 1249MODULE_LICENSE("Dual BSD/GPL"); 1250MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE); 1251MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE); 1252MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE); 1253MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE); 1254MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE); 1255MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE); 1256MODULE_FIRMWARE(AR6004_HW_1_2_FIRMWARE_FILE); 1257MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE); 1258MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE); 1259MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE); 1260MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE); 1261MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE); 1262