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 1700 28 29 /* tx/rx pipes for usb */ 30 enum 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 44 struct 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 */ 64 struct 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 */ 77 struct 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 1 103 104 struct ath6kl_usb_ctrl_diag_cmd_write { 105 __le32 cmd; 106 __le32 address; 107 __le32 value; 108 __le32 _pad[1]; 109 } __packed; 110 111 struct ath6kl_usb_ctrl_diag_cmd_read { 112 __le32 cmd; 113 __le32 address; 114 } __packed; 115 116 struct ath6kl_usb_ctrl_diag_resp_read { 117 __le32 value; 118 } __packed; 119 120 /* function declarations */ 121 static 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 */ 129 static struct ath6kl_urb_context * 130 ath6kl_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 spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); 136 if (!list_empty(&pipe->urb_list_head)) { 137 urb_context = 138 list_first_entry(&pipe->urb_list_head, 139 struct ath6kl_urb_context, link); 140 list_del(&urb_context->link); 141 pipe->urb_cnt--; 142 } 143 spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); 144 145 return urb_context; 146 } 147 148 static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe, 149 struct ath6kl_urb_context *urb_context) 150 { 151 unsigned long flags; 152 153 spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); 154 pipe->urb_cnt++; 155 156 list_add(&urb_context->link, &pipe->urb_list_head); 157 spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); 158 } 159 160 static void ath6kl_usb_cleanup_recv_urb(struct ath6kl_urb_context *urb_context) 161 { 162 if (urb_context->skb != NULL) { 163 dev_kfree_skb(urb_context->skb); 164 urb_context->skb = NULL; 165 } 166 167 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 168 } 169 170 static inline struct ath6kl_usb *ath6kl_usb_priv(struct ath6kl *ar) 171 { 172 return ar->hif_priv; 173 } 174 175 /* pipe resource allocation/cleanup */ 176 static int ath6kl_usb_alloc_pipe_resources(struct ath6kl_usb_pipe *pipe, 177 int urb_cnt) 178 { 179 struct ath6kl_urb_context *urb_context; 180 int status = 0, i; 181 182 INIT_LIST_HEAD(&pipe->urb_list_head); 183 init_usb_anchor(&pipe->urb_submitted); 184 185 for (i = 0; i < urb_cnt; i++) { 186 urb_context = kzalloc(sizeof(struct ath6kl_urb_context), 187 GFP_KERNEL); 188 if (urb_context == NULL) { 189 status = -ENOMEM; 190 goto fail_alloc_pipe_resources; 191 } 192 193 urb_context->pipe = pipe; 194 195 /* 196 * we are only allocate the urb contexts here, the actual URB 197 * is allocated from the kernel as needed to do a transaction 198 */ 199 pipe->urb_alloc++; 200 ath6kl_usb_free_urb_to_pipe(pipe, urb_context); 201 } 202 203 ath6kl_dbg(ATH6KL_DBG_USB, 204 "ath6kl usb: alloc resources lpipe:%d hpipe:0x%X urbs:%d\n", 205 pipe->logical_pipe_num, pipe->usb_pipe_handle, 206 pipe->urb_alloc); 207 208 fail_alloc_pipe_resources: 209 return status; 210 } 211 212 static void ath6kl_usb_free_pipe_resources(struct ath6kl_usb_pipe *pipe) 213 { 214 struct ath6kl_urb_context *urb_context; 215 216 if (pipe->ar_usb == NULL) { 217 /* nothing allocated for this pipe */ 218 return; 219 } 220 221 ath6kl_dbg(ATH6KL_DBG_USB, 222 "ath6kl usb: free resources lpipe:%d" 223 "hpipe:0x%X urbs:%d avail:%d\n", 224 pipe->logical_pipe_num, pipe->usb_pipe_handle, 225 pipe->urb_alloc, pipe->urb_cnt); 226 227 if (pipe->urb_alloc != pipe->urb_cnt) { 228 ath6kl_dbg(ATH6KL_DBG_USB, 229 "ath6kl usb: urb leak! 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 } 234 235 while (true) { 236 urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 237 if (urb_context == NULL) 238 break; 239 kfree(urb_context); 240 } 241 242 } 243 244 static void ath6kl_usb_cleanup_pipe_resources(struct ath6kl_usb *ar_usb) 245 { 246 int i; 247 248 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) 249 ath6kl_usb_free_pipe_resources(&ar_usb->pipes[i]); 250 251 } 252 253 static u8 ath6kl_usb_get_logical_pipe_num(struct ath6kl_usb *ar_usb, 254 u8 ep_address, int *urb_count) 255 { 256 u8 pipe_num = ATH6KL_USB_PIPE_INVALID; 257 258 switch (ep_address) { 259 case ATH6KL_USB_EP_ADDR_APP_CTRL_IN: 260 pipe_num = ATH6KL_USB_PIPE_RX_CTRL; 261 *urb_count = RX_URB_COUNT; 262 break; 263 case ATH6KL_USB_EP_ADDR_APP_DATA_IN: 264 pipe_num = ATH6KL_USB_PIPE_RX_DATA; 265 *urb_count = RX_URB_COUNT; 266 break; 267 case ATH6KL_USB_EP_ADDR_APP_INT_IN: 268 pipe_num = ATH6KL_USB_PIPE_RX_INT; 269 *urb_count = RX_URB_COUNT; 270 break; 271 case ATH6KL_USB_EP_ADDR_APP_DATA2_IN: 272 pipe_num = ATH6KL_USB_PIPE_RX_DATA2; 273 *urb_count = RX_URB_COUNT; 274 break; 275 case ATH6KL_USB_EP_ADDR_APP_CTRL_OUT: 276 pipe_num = ATH6KL_USB_PIPE_TX_CTRL; 277 *urb_count = TX_URB_COUNT; 278 break; 279 case ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT: 280 pipe_num = ATH6KL_USB_PIPE_TX_DATA_LP; 281 *urb_count = TX_URB_COUNT; 282 break; 283 case ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT: 284 pipe_num = ATH6KL_USB_PIPE_TX_DATA_MP; 285 *urb_count = TX_URB_COUNT; 286 break; 287 case ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT: 288 pipe_num = ATH6KL_USB_PIPE_TX_DATA_HP; 289 *urb_count = TX_URB_COUNT; 290 break; 291 default: 292 /* note: there may be endpoints not currently used */ 293 break; 294 } 295 296 return pipe_num; 297 } 298 299 static int ath6kl_usb_setup_pipe_resources(struct ath6kl_usb *ar_usb) 300 { 301 struct usb_interface *interface = ar_usb->interface; 302 struct usb_host_interface *iface_desc = interface->cur_altsetting; 303 struct usb_endpoint_descriptor *endpoint; 304 struct ath6kl_usb_pipe *pipe; 305 int i, urbcount, status = 0; 306 u8 pipe_num; 307 308 ath6kl_dbg(ATH6KL_DBG_USB, "setting up USB Pipes using interface\n"); 309 310 /* walk decriptors and setup pipes */ 311 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 312 endpoint = &iface_desc->endpoint[i].desc; 313 314 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 315 ath6kl_dbg(ATH6KL_DBG_USB, 316 "%s Bulk Ep:0x%2.2X maxpktsz:%d\n", 317 ATH6KL_USB_IS_DIR_IN 318 (endpoint->bEndpointAddress) ? 319 "RX" : "TX", endpoint->bEndpointAddress, 320 le16_to_cpu(endpoint->wMaxPacketSize)); 321 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 322 ath6kl_dbg(ATH6KL_DBG_USB, 323 "%s Int Ep:0x%2.2X maxpktsz:%d interval:%d\n", 324 ATH6KL_USB_IS_DIR_IN 325 (endpoint->bEndpointAddress) ? 326 "RX" : "TX", endpoint->bEndpointAddress, 327 le16_to_cpu(endpoint->wMaxPacketSize), 328 endpoint->bInterval); 329 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 330 /* TODO for ISO */ 331 ath6kl_dbg(ATH6KL_DBG_USB, 332 "%s ISOC Ep:0x%2.2X maxpktsz:%d interval:%d\n", 333 ATH6KL_USB_IS_DIR_IN 334 (endpoint->bEndpointAddress) ? 335 "RX" : "TX", endpoint->bEndpointAddress, 336 le16_to_cpu(endpoint->wMaxPacketSize), 337 endpoint->bInterval); 338 } 339 urbcount = 0; 340 341 pipe_num = 342 ath6kl_usb_get_logical_pipe_num(ar_usb, 343 endpoint->bEndpointAddress, 344 &urbcount); 345 if (pipe_num == ATH6KL_USB_PIPE_INVALID) 346 continue; 347 348 pipe = &ar_usb->pipes[pipe_num]; 349 if (pipe->ar_usb != NULL) { 350 /* hmmm..pipe was already setup */ 351 continue; 352 } 353 354 pipe->ar_usb = ar_usb; 355 pipe->logical_pipe_num = pipe_num; 356 pipe->ep_address = endpoint->bEndpointAddress; 357 pipe->max_packet_size = le16_to_cpu(endpoint->wMaxPacketSize); 358 359 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 360 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 361 pipe->usb_pipe_handle = 362 usb_rcvbulkpipe(ar_usb->udev, 363 pipe->ep_address); 364 } else { 365 pipe->usb_pipe_handle = 366 usb_sndbulkpipe(ar_usb->udev, 367 pipe->ep_address); 368 } 369 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 370 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 371 pipe->usb_pipe_handle = 372 usb_rcvintpipe(ar_usb->udev, 373 pipe->ep_address); 374 } else { 375 pipe->usb_pipe_handle = 376 usb_sndintpipe(ar_usb->udev, 377 pipe->ep_address); 378 } 379 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 380 /* TODO for ISO */ 381 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 382 pipe->usb_pipe_handle = 383 usb_rcvisocpipe(ar_usb->udev, 384 pipe->ep_address); 385 } else { 386 pipe->usb_pipe_handle = 387 usb_sndisocpipe(ar_usb->udev, 388 pipe->ep_address); 389 } 390 } 391 392 pipe->ep_desc = endpoint; 393 394 if (!ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) 395 pipe->flags |= ATH6KL_USB_PIPE_FLAG_TX; 396 397 status = ath6kl_usb_alloc_pipe_resources(pipe, urbcount); 398 if (status != 0) 399 break; 400 } 401 402 return status; 403 } 404 405 /* pipe operations */ 406 static void ath6kl_usb_post_recv_transfers(struct ath6kl_usb_pipe *recv_pipe, 407 int buffer_length) 408 { 409 struct ath6kl_urb_context *urb_context; 410 struct urb *urb; 411 int usb_status; 412 413 while (true) { 414 urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe); 415 if (urb_context == NULL) 416 break; 417 418 urb_context->skb = dev_alloc_skb(buffer_length); 419 if (urb_context->skb == NULL) 420 goto err_cleanup_urb; 421 422 urb = usb_alloc_urb(0, GFP_ATOMIC); 423 if (urb == NULL) 424 goto err_cleanup_urb; 425 426 usb_fill_bulk_urb(urb, 427 recv_pipe->ar_usb->udev, 428 recv_pipe->usb_pipe_handle, 429 urb_context->skb->data, 430 buffer_length, 431 ath6kl_usb_recv_complete, urb_context); 432 433 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 434 "ath6kl usb: bulk recv submit:%d, 0x%X (ep:0x%2.2X), %d bytes buf:0x%p\n", 435 recv_pipe->logical_pipe_num, 436 recv_pipe->usb_pipe_handle, recv_pipe->ep_address, 437 buffer_length, urb_context->skb); 438 439 usb_anchor_urb(urb, &recv_pipe->urb_submitted); 440 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 441 442 if (usb_status) { 443 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 444 "ath6kl usb : usb bulk recv failed %d\n", 445 usb_status); 446 usb_unanchor_urb(urb); 447 usb_free_urb(urb); 448 goto err_cleanup_urb; 449 } 450 usb_free_urb(urb); 451 } 452 return; 453 454 err_cleanup_urb: 455 ath6kl_usb_cleanup_recv_urb(urb_context); 456 return; 457 } 458 459 static void ath6kl_usb_flush_all(struct ath6kl_usb *ar_usb) 460 { 461 int i; 462 463 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 464 if (ar_usb->pipes[i].ar_usb != NULL) 465 usb_kill_anchored_urbs(&ar_usb->pipes[i].urb_submitted); 466 } 467 468 /* 469 * Flushing any pending I/O may schedule work this call will block 470 * until all scheduled work runs to completion. 471 */ 472 flush_scheduled_work(); 473 } 474 475 static void ath6kl_usb_start_recv_pipes(struct ath6kl_usb *ar_usb) 476 { 477 /* 478 * note: control pipe is no longer used 479 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_cnt_thresh = 480 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_alloc/2; 481 * ath6kl_usb_post_recv_transfers(&ar_usb-> 482 * pipes[ATH6KL_USB_PIPE_RX_CTRL], 483 * ATH6KL_USB_RX_BUFFER_SIZE); 484 */ 485 486 ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_cnt_thresh = 487 ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_alloc / 2; 488 ath6kl_usb_post_recv_transfers(&ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA], 489 ATH6KL_USB_RX_BUFFER_SIZE); 490 } 491 492 /* hif usb rx/tx completion functions */ 493 static void ath6kl_usb_recv_complete(struct urb *urb) 494 { 495 struct ath6kl_urb_context *urb_context = urb->context; 496 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 497 struct sk_buff *skb = NULL; 498 int status = 0; 499 500 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 501 "%s: recv pipe: %d, stat:%d, len:%d urb:0x%p\n", __func__, 502 pipe->logical_pipe_num, urb->status, urb->actual_length, 503 urb); 504 505 if (urb->status != 0) { 506 status = -EIO; 507 switch (urb->status) { 508 case -ECONNRESET: 509 case -ENOENT: 510 case -ESHUTDOWN: 511 /* 512 * no need to spew these errors when device 513 * removed or urb killed due to driver shutdown 514 */ 515 status = -ECANCELED; 516 break; 517 default: 518 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 519 "%s recv pipe: %d (ep:0x%2.2X), failed:%d\n", 520 __func__, pipe->logical_pipe_num, 521 pipe->ep_address, urb->status); 522 break; 523 } 524 goto cleanup_recv_urb; 525 } 526 527 if (urb->actual_length == 0) 528 goto cleanup_recv_urb; 529 530 skb = urb_context->skb; 531 532 /* we are going to pass it up */ 533 urb_context->skb = NULL; 534 skb_put(skb, urb->actual_length); 535 536 /* note: queue implements a lock */ 537 skb_queue_tail(&pipe->io_comp_queue, skb); 538 schedule_work(&pipe->io_complete_work); 539 540 cleanup_recv_urb: 541 ath6kl_usb_cleanup_recv_urb(urb_context); 542 543 if (status == 0 && 544 pipe->urb_cnt >= pipe->urb_cnt_thresh) { 545 /* our free urbs are piling up, post more transfers */ 546 ath6kl_usb_post_recv_transfers(pipe, ATH6KL_USB_RX_BUFFER_SIZE); 547 } 548 } 549 550 static void ath6kl_usb_usb_transmit_complete(struct urb *urb) 551 { 552 struct ath6kl_urb_context *urb_context = urb->context; 553 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 554 struct sk_buff *skb; 555 556 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 557 "%s: pipe: %d, stat:%d, len:%d\n", 558 __func__, pipe->logical_pipe_num, urb->status, 559 urb->actual_length); 560 561 if (urb->status != 0) { 562 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 563 "%s: pipe: %d, failed:%d\n", 564 __func__, pipe->logical_pipe_num, urb->status); 565 } 566 567 skb = urb_context->skb; 568 urb_context->skb = NULL; 569 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 570 571 /* note: queue implements a lock */ 572 skb_queue_tail(&pipe->io_comp_queue, skb); 573 schedule_work(&pipe->io_complete_work); 574 } 575 576 static void ath6kl_usb_io_comp_work(struct work_struct *work) 577 { 578 struct ath6kl_usb_pipe *pipe = container_of(work, 579 struct ath6kl_usb_pipe, 580 io_complete_work); 581 struct ath6kl_usb *ar_usb; 582 struct sk_buff *skb; 583 584 ar_usb = pipe->ar_usb; 585 586 while ((skb = skb_dequeue(&pipe->io_comp_queue))) { 587 if (pipe->flags & ATH6KL_USB_PIPE_FLAG_TX) { 588 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 589 "ath6kl usb xmit callback buf:0x%p\n", skb); 590 ath6kl_core_tx_complete(ar_usb->ar, skb); 591 } else { 592 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 593 "ath6kl usb recv callback buf:0x%p\n", skb); 594 ath6kl_core_rx_complete(ar_usb->ar, skb, 595 pipe->logical_pipe_num); 596 } 597 } 598 } 599 600 #define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)) 601 #define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read)) 602 603 static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb) 604 { 605 ath6kl_usb_flush_all(ar_usb); 606 607 ath6kl_usb_cleanup_pipe_resources(ar_usb); 608 609 usb_set_intfdata(ar_usb->interface, NULL); 610 611 kfree(ar_usb->diag_cmd_buffer); 612 kfree(ar_usb->diag_resp_buffer); 613 614 kfree(ar_usb); 615 } 616 617 static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface) 618 { 619 struct usb_device *dev = interface_to_usbdev(interface); 620 struct ath6kl_usb *ar_usb; 621 struct ath6kl_usb_pipe *pipe; 622 int status = 0; 623 int i; 624 625 ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL); 626 if (ar_usb == NULL) 627 goto fail_ath6kl_usb_create; 628 629 usb_set_intfdata(interface, ar_usb); 630 spin_lock_init(&(ar_usb->cs_lock)); 631 ar_usb->udev = dev; 632 ar_usb->interface = interface; 633 634 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 635 pipe = &ar_usb->pipes[i]; 636 INIT_WORK(&pipe->io_complete_work, 637 ath6kl_usb_io_comp_work); 638 skb_queue_head_init(&pipe->io_comp_queue); 639 } 640 641 ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL); 642 if (ar_usb->diag_cmd_buffer == NULL) { 643 status = -ENOMEM; 644 goto fail_ath6kl_usb_create; 645 } 646 647 ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP, 648 GFP_KERNEL); 649 if (ar_usb->diag_resp_buffer == NULL) { 650 status = -ENOMEM; 651 goto fail_ath6kl_usb_create; 652 } 653 654 status = ath6kl_usb_setup_pipe_resources(ar_usb); 655 656 fail_ath6kl_usb_create: 657 if (status != 0) { 658 ath6kl_usb_destroy(ar_usb); 659 ar_usb = NULL; 660 } 661 return ar_usb; 662 } 663 664 static void ath6kl_usb_device_detached(struct usb_interface *interface) 665 { 666 struct ath6kl_usb *ar_usb; 667 668 ar_usb = usb_get_intfdata(interface); 669 if (ar_usb == NULL) 670 return; 671 672 ath6kl_stop_txrx(ar_usb->ar); 673 674 /* Delay to wait for the target to reboot */ 675 mdelay(20); 676 ath6kl_core_cleanup(ar_usb->ar); 677 ath6kl_usb_destroy(ar_usb); 678 } 679 680 /* exported hif usb APIs for htc pipe */ 681 static void hif_start(struct ath6kl *ar) 682 { 683 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 684 int i; 685 686 ath6kl_usb_start_recv_pipes(device); 687 688 /* set the TX resource avail threshold for each TX pipe */ 689 for (i = ATH6KL_USB_PIPE_TX_CTRL; 690 i <= ATH6KL_USB_PIPE_TX_DATA_HP; i++) { 691 device->pipes[i].urb_cnt_thresh = 692 device->pipes[i].urb_alloc / 2; 693 } 694 } 695 696 static int ath6kl_usb_send(struct ath6kl *ar, u8 PipeID, 697 struct sk_buff *hdr_skb, struct sk_buff *skb) 698 { 699 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 700 struct ath6kl_usb_pipe *pipe = &device->pipes[PipeID]; 701 struct ath6kl_urb_context *urb_context; 702 int usb_status, status = 0; 703 struct urb *urb; 704 u8 *data; 705 u32 len; 706 707 ath6kl_dbg(ATH6KL_DBG_USB_BULK, "+%s pipe : %d, buf:0x%p\n", 708 __func__, PipeID, skb); 709 710 urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 711 712 if (urb_context == NULL) { 713 /* 714 * TODO: it is possible to run out of urbs if 715 * 2 endpoints map to the same pipe ID 716 */ 717 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 718 "%s pipe:%d no urbs left. URB Cnt : %d\n", 719 __func__, PipeID, pipe->urb_cnt); 720 status = -ENOMEM; 721 goto fail_hif_send; 722 } 723 724 urb_context->skb = skb; 725 726 data = skb->data; 727 len = skb->len; 728 729 urb = usb_alloc_urb(0, GFP_ATOMIC); 730 if (urb == NULL) { 731 status = -ENOMEM; 732 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 733 urb_context); 734 goto fail_hif_send; 735 } 736 737 usb_fill_bulk_urb(urb, 738 device->udev, 739 pipe->usb_pipe_handle, 740 data, 741 len, 742 ath6kl_usb_usb_transmit_complete, urb_context); 743 744 if ((len % pipe->max_packet_size) == 0) { 745 /* hit a max packet boundary on this pipe */ 746 urb->transfer_flags |= URB_ZERO_PACKET; 747 } 748 749 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 750 "athusb bulk send submit:%d, 0x%X (ep:0x%2.2X), %d bytes\n", 751 pipe->logical_pipe_num, pipe->usb_pipe_handle, 752 pipe->ep_address, len); 753 754 usb_anchor_urb(urb, &pipe->urb_submitted); 755 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 756 757 if (usb_status) { 758 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 759 "ath6kl usb : usb bulk transmit failed %d\n", 760 usb_status); 761 usb_unanchor_urb(urb); 762 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 763 urb_context); 764 status = -EINVAL; 765 } 766 usb_free_urb(urb); 767 768 fail_hif_send: 769 return status; 770 } 771 772 static void hif_stop(struct ath6kl *ar) 773 { 774 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 775 776 ath6kl_usb_flush_all(device); 777 } 778 779 static void ath6kl_usb_get_default_pipe(struct ath6kl *ar, 780 u8 *ul_pipe, u8 *dl_pipe) 781 { 782 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 783 *dl_pipe = ATH6KL_USB_PIPE_RX_CTRL; 784 } 785 786 static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id, 787 u8 *ul_pipe, u8 *dl_pipe) 788 { 789 int status = 0; 790 791 switch (svc_id) { 792 case HTC_CTRL_RSVD_SVC: 793 case WMI_CONTROL_SVC: 794 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 795 /* due to large control packets, shift to data pipe */ 796 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 797 break; 798 case WMI_DATA_BE_SVC: 799 case WMI_DATA_BK_SVC: 800 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 801 /* 802 * Disable rxdata2 directly, it will be enabled 803 * if FW enable rxdata2 804 */ 805 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 806 break; 807 case WMI_DATA_VI_SVC: 808 809 if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT) 810 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 811 else 812 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 813 /* 814 * Disable rxdata2 directly, it will be enabled 815 * if FW enable rxdata2 816 */ 817 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 818 break; 819 case WMI_DATA_VO_SVC: 820 821 if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT) 822 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 823 else 824 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 825 /* 826 * Disable rxdata2 directly, it will be enabled 827 * if FW enable rxdata2 828 */ 829 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 830 break; 831 default: 832 status = -EPERM; 833 break; 834 } 835 836 return status; 837 } 838 839 static u16 ath6kl_usb_get_free_queue_number(struct ath6kl *ar, u8 pipe_id) 840 { 841 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 842 843 return device->pipes[pipe_id].urb_cnt; 844 } 845 846 static void hif_detach_htc(struct ath6kl *ar) 847 { 848 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 849 850 ath6kl_usb_flush_all(device); 851 } 852 853 static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb, 854 u8 req, u16 value, u16 index, void *data, 855 u32 size) 856 { 857 u8 *buf = NULL; 858 int ret; 859 860 if (size > 0) { 861 buf = kmalloc(size, GFP_KERNEL); 862 if (buf == NULL) 863 return -ENOMEM; 864 865 memcpy(buf, data, size); 866 } 867 868 /* note: if successful returns number of bytes transfered */ 869 ret = usb_control_msg(ar_usb->udev, 870 usb_sndctrlpipe(ar_usb->udev, 0), 871 req, 872 USB_DIR_OUT | USB_TYPE_VENDOR | 873 USB_RECIP_DEVICE, value, index, buf, 874 size, 1000); 875 876 if (ret < 0) { 877 ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n", 878 __func__, ret); 879 } 880 881 kfree(buf); 882 883 return 0; 884 } 885 886 static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb, 887 u8 req, u16 value, u16 index, void *data, 888 u32 size) 889 { 890 u8 *buf = NULL; 891 int ret; 892 893 if (size > 0) { 894 buf = kmalloc(size, GFP_KERNEL); 895 if (buf == NULL) 896 return -ENOMEM; 897 } 898 899 /* note: if successful returns number of bytes transfered */ 900 ret = usb_control_msg(ar_usb->udev, 901 usb_rcvctrlpipe(ar_usb->udev, 0), 902 req, 903 USB_DIR_IN | USB_TYPE_VENDOR | 904 USB_RECIP_DEVICE, value, index, buf, 905 size, 2 * HZ); 906 907 if (ret < 0) { 908 ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n", 909 __func__, ret); 910 } 911 912 memcpy((u8 *) data, buf, size); 913 914 kfree(buf); 915 916 return 0; 917 } 918 919 static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb, 920 u8 req_val, u8 *req_buf, u32 req_len, 921 u8 resp_val, u8 *resp_buf, u32 *resp_len) 922 { 923 int ret; 924 925 /* send command */ 926 ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0, 927 req_buf, req_len); 928 929 if (ret != 0) 930 return ret; 931 932 if (resp_buf == NULL) { 933 /* no expected response */ 934 return ret; 935 } 936 937 /* get response */ 938 ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0, 939 resp_buf, *resp_len); 940 941 return ret; 942 } 943 944 static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data) 945 { 946 struct ath6kl_usb *ar_usb = ar->hif_priv; 947 struct ath6kl_usb_ctrl_diag_resp_read *resp; 948 struct ath6kl_usb_ctrl_diag_cmd_read *cmd; 949 u32 resp_len; 950 int ret; 951 952 cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer; 953 954 memset(cmd, 0, sizeof(*cmd)); 955 cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ; 956 cmd->address = cpu_to_le32(address); 957 resp_len = sizeof(*resp); 958 959 ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, 960 ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 961 (u8 *) cmd, 962 sizeof(struct ath6kl_usb_ctrl_diag_cmd_write), 963 ATH6KL_USB_CONTROL_REQ_DIAG_RESP, 964 ar_usb->diag_resp_buffer, &resp_len); 965 966 if (ret) 967 return ret; 968 969 resp = (struct ath6kl_usb_ctrl_diag_resp_read *) 970 ar_usb->diag_resp_buffer; 971 972 *data = le32_to_cpu(resp->value); 973 974 return ret; 975 } 976 977 static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data) 978 { 979 struct ath6kl_usb *ar_usb = ar->hif_priv; 980 struct ath6kl_usb_ctrl_diag_cmd_write *cmd; 981 982 cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer; 983 984 memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)); 985 cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE); 986 cmd->address = cpu_to_le32(address); 987 cmd->value = data; 988 989 return ath6kl_usb_ctrl_msg_exchange(ar_usb, 990 ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 991 (u8 *) cmd, 992 sizeof(*cmd), 993 0, NULL, NULL); 994 995 } 996 997 static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len) 998 { 999 struct ath6kl_usb *ar_usb = ar->hif_priv; 1000 int ret; 1001 1002 /* get response */ 1003 ret = ath6kl_usb_submit_ctrl_in(ar_usb, 1004 ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP, 1005 0, 0, buf, len); 1006 if (ret != 0) { 1007 ath6kl_err("Unable to read the bmi data from the device: %d\n", 1008 ret); 1009 return ret; 1010 } 1011 1012 return 0; 1013 } 1014 1015 static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len) 1016 { 1017 struct ath6kl_usb *ar_usb = ar->hif_priv; 1018 int ret; 1019 1020 /* send command */ 1021 ret = ath6kl_usb_submit_ctrl_out(ar_usb, 1022 ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD, 1023 0, 0, buf, len); 1024 if (ret != 0) { 1025 ath6kl_err("unable to send the bmi data to the device: %d\n", 1026 ret); 1027 return ret; 1028 } 1029 1030 return 0; 1031 } 1032 1033 static int ath6kl_usb_power_on(struct ath6kl *ar) 1034 { 1035 hif_start(ar); 1036 return 0; 1037 } 1038 1039 static int ath6kl_usb_power_off(struct ath6kl *ar) 1040 { 1041 hif_detach_htc(ar); 1042 return 0; 1043 } 1044 1045 static void ath6kl_usb_stop(struct ath6kl *ar) 1046 { 1047 hif_stop(ar); 1048 } 1049 1050 static void ath6kl_usb_cleanup_scatter(struct ath6kl *ar) 1051 { 1052 /* 1053 * USB doesn't support it. Just return. 1054 */ 1055 return; 1056 } 1057 1058 static const struct ath6kl_hif_ops ath6kl_usb_ops = { 1059 .diag_read32 = ath6kl_usb_diag_read32, 1060 .diag_write32 = ath6kl_usb_diag_write32, 1061 .bmi_read = ath6kl_usb_bmi_read, 1062 .bmi_write = ath6kl_usb_bmi_write, 1063 .power_on = ath6kl_usb_power_on, 1064 .power_off = ath6kl_usb_power_off, 1065 .stop = ath6kl_usb_stop, 1066 .pipe_send = ath6kl_usb_send, 1067 .pipe_get_default = ath6kl_usb_get_default_pipe, 1068 .pipe_map_service = ath6kl_usb_map_service_pipe, 1069 .pipe_get_free_queue_number = ath6kl_usb_get_free_queue_number, 1070 .cleanup_scatter = ath6kl_usb_cleanup_scatter, 1071 }; 1072 1073 /* ath6kl usb driver registered functions */ 1074 static int ath6kl_usb_probe(struct usb_interface *interface, 1075 const struct usb_device_id *id) 1076 { 1077 struct usb_device *dev = interface_to_usbdev(interface); 1078 struct ath6kl *ar; 1079 struct ath6kl_usb *ar_usb = NULL; 1080 int vendor_id, product_id; 1081 int ret = 0; 1082 1083 usb_get_dev(dev); 1084 1085 vendor_id = le16_to_cpu(dev->descriptor.idVendor); 1086 product_id = le16_to_cpu(dev->descriptor.idProduct); 1087 1088 ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id); 1089 ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id); 1090 1091 if (interface->cur_altsetting) 1092 ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n", 1093 interface->cur_altsetting->desc.bInterfaceNumber); 1094 1095 1096 if (dev->speed == USB_SPEED_HIGH) 1097 ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n"); 1098 else 1099 ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n"); 1100 1101 ar_usb = ath6kl_usb_create(interface); 1102 1103 if (ar_usb == NULL) { 1104 ret = -ENOMEM; 1105 goto err_usb_put; 1106 } 1107 1108 ar = ath6kl_core_create(&ar_usb->udev->dev); 1109 if (ar == NULL) { 1110 ath6kl_err("Failed to alloc ath6kl core\n"); 1111 ret = -ENOMEM; 1112 goto err_usb_destroy; 1113 } 1114 1115 ar->hif_priv = ar_usb; 1116 ar->hif_type = ATH6KL_HIF_TYPE_USB; 1117 ar->hif_ops = &ath6kl_usb_ops; 1118 ar->mbox_info.block_size = 16; 1119 ar->bmi.max_data_size = 252; 1120 1121 ar_usb->ar = ar; 1122 1123 ret = ath6kl_core_init(ar, ATH6KL_HTC_TYPE_PIPE); 1124 if (ret) { 1125 ath6kl_err("Failed to init ath6kl core: %d\n", ret); 1126 goto err_core_free; 1127 } 1128 1129 return ret; 1130 1131 err_core_free: 1132 ath6kl_core_destroy(ar); 1133 err_usb_destroy: 1134 ath6kl_usb_destroy(ar_usb); 1135 err_usb_put: 1136 usb_put_dev(dev); 1137 1138 return ret; 1139 } 1140 1141 static void ath6kl_usb_remove(struct usb_interface *interface) 1142 { 1143 usb_put_dev(interface_to_usbdev(interface)); 1144 ath6kl_usb_device_detached(interface); 1145 } 1146 1147 #ifdef CONFIG_PM 1148 1149 static int ath6kl_usb_suspend(struct usb_interface *interface, 1150 pm_message_t message) 1151 { 1152 struct ath6kl_usb *device; 1153 device = usb_get_intfdata(interface); 1154 1155 ath6kl_usb_flush_all(device); 1156 return 0; 1157 } 1158 1159 static int ath6kl_usb_resume(struct usb_interface *interface) 1160 { 1161 struct ath6kl_usb *device; 1162 device = usb_get_intfdata(interface); 1163 1164 ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA], 1165 ATH6KL_USB_RX_BUFFER_SIZE); 1166 ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA2], 1167 ATH6KL_USB_RX_BUFFER_SIZE); 1168 1169 return 0; 1170 } 1171 1172 static int ath6kl_usb_reset_resume(struct usb_interface *intf) 1173 { 1174 if (usb_get_intfdata(intf)) 1175 ath6kl_usb_remove(intf); 1176 return 0; 1177 } 1178 1179 #else 1180 1181 #define ath6kl_usb_suspend NULL 1182 #define ath6kl_usb_resume NULL 1183 #define ath6kl_usb_reset_resume NULL 1184 1185 #endif 1186 1187 /* table of devices that work with this driver */ 1188 static struct usb_device_id ath6kl_usb_ids[] = { 1189 {USB_DEVICE(0x0cf3, 0x9374)}, 1190 { /* Terminating entry */ }, 1191 }; 1192 1193 MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids); 1194 1195 static struct usb_driver ath6kl_usb_driver = { 1196 .name = "ath6kl_usb", 1197 .probe = ath6kl_usb_probe, 1198 .suspend = ath6kl_usb_suspend, 1199 .resume = ath6kl_usb_resume, 1200 .reset_resume = ath6kl_usb_reset_resume, 1201 .disconnect = ath6kl_usb_remove, 1202 .id_table = ath6kl_usb_ids, 1203 .supports_autosuspend = true, 1204 .disable_hub_initiated_lpm = 1, 1205 }; 1206 1207 static int ath6kl_usb_init(void) 1208 { 1209 int ret; 1210 1211 ret = usb_register(&ath6kl_usb_driver); 1212 if (ret) { 1213 ath6kl_err("usb registration failed: %d\n", ret); 1214 return ret; 1215 } 1216 1217 return 0; 1218 } 1219 1220 static void ath6kl_usb_exit(void) 1221 { 1222 usb_deregister(&ath6kl_usb_driver); 1223 } 1224 1225 module_init(ath6kl_usb_init); 1226 module_exit(ath6kl_usb_exit); 1227 1228 MODULE_AUTHOR("Atheros Communications, Inc."); 1229 MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices"); 1230 MODULE_LICENSE("Dual BSD/GPL"); 1231 MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE); 1232 MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE); 1233 MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE); 1234 MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE); 1235 MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE); 1236 MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE); 1237 MODULE_FIRMWARE(AR6004_HW_1_2_FIRMWARE_FILE); 1238 MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE); 1239 MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE); 1240 MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE); 1241 MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE); 1242 MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE); 1243