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