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 */ 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 /* 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 } 151 152 static 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 } 167 168 static 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 } 175 176 static inline struct ath6kl_usb *ath6kl_usb_priv(struct ath6kl *ar) 177 { 178 return ar->hif_priv; 179 } 180 181 /* pipe resource allocation/cleanup */ 182 static 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); 213 214 fail_alloc_pipe_resources: 215 return status; 216 } 217 218 static 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 } 248 249 static 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 } 256 257 static 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 } 302 303 static 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 urbcount = 0; 344 345 pipe_num = 346 ath6kl_usb_get_logical_pipe_num(ar_usb, 347 endpoint->bEndpointAddress, 348 &urbcount); 349 if (pipe_num == ATH6KL_USB_PIPE_INVALID) 350 continue; 351 352 pipe = &ar_usb->pipes[pipe_num]; 353 if (pipe->ar_usb != NULL) { 354 /* hmmm..pipe was already setup */ 355 continue; 356 } 357 358 pipe->ar_usb = ar_usb; 359 pipe->logical_pipe_num = pipe_num; 360 pipe->ep_address = endpoint->bEndpointAddress; 361 pipe->max_packet_size = le16_to_cpu(endpoint->wMaxPacketSize); 362 363 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 364 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 365 pipe->usb_pipe_handle = 366 usb_rcvbulkpipe(ar_usb->udev, 367 pipe->ep_address); 368 } else { 369 pipe->usb_pipe_handle = 370 usb_sndbulkpipe(ar_usb->udev, 371 pipe->ep_address); 372 } 373 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 374 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 375 pipe->usb_pipe_handle = 376 usb_rcvintpipe(ar_usb->udev, 377 pipe->ep_address); 378 } else { 379 pipe->usb_pipe_handle = 380 usb_sndintpipe(ar_usb->udev, 381 pipe->ep_address); 382 } 383 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 384 /* TODO for ISO */ 385 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 386 pipe->usb_pipe_handle = 387 usb_rcvisocpipe(ar_usb->udev, 388 pipe->ep_address); 389 } else { 390 pipe->usb_pipe_handle = 391 usb_sndisocpipe(ar_usb->udev, 392 pipe->ep_address); 393 } 394 } 395 396 pipe->ep_desc = endpoint; 397 398 if (!ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) 399 pipe->flags |= ATH6KL_USB_PIPE_FLAG_TX; 400 401 status = ath6kl_usb_alloc_pipe_resources(pipe, urbcount); 402 if (status != 0) 403 break; 404 } 405 406 return status; 407 } 408 409 /* pipe operations */ 410 static void ath6kl_usb_post_recv_transfers(struct ath6kl_usb_pipe *recv_pipe, 411 int buffer_length) 412 { 413 struct ath6kl_urb_context *urb_context; 414 struct urb *urb; 415 int usb_status; 416 417 while (true) { 418 urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe); 419 if (urb_context == NULL) 420 break; 421 422 urb_context->skb = dev_alloc_skb(buffer_length); 423 if (urb_context->skb == NULL) 424 goto err_cleanup_urb; 425 426 urb = usb_alloc_urb(0, GFP_ATOMIC); 427 if (urb == NULL) 428 goto err_cleanup_urb; 429 430 usb_fill_bulk_urb(urb, 431 recv_pipe->ar_usb->udev, 432 recv_pipe->usb_pipe_handle, 433 urb_context->skb->data, 434 buffer_length, 435 ath6kl_usb_recv_complete, urb_context); 436 437 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 438 "ath6kl usb: bulk recv submit:%d, 0x%X (ep:0x%2.2X), %d bytes buf:0x%p\n", 439 recv_pipe->logical_pipe_num, 440 recv_pipe->usb_pipe_handle, recv_pipe->ep_address, 441 buffer_length, urb_context->skb); 442 443 usb_anchor_urb(urb, &recv_pipe->urb_submitted); 444 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 445 446 if (usb_status) { 447 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 448 "ath6kl usb : usb bulk recv failed %d\n", 449 usb_status); 450 usb_unanchor_urb(urb); 451 usb_free_urb(urb); 452 goto err_cleanup_urb; 453 } 454 usb_free_urb(urb); 455 } 456 return; 457 458 err_cleanup_urb: 459 ath6kl_usb_cleanup_recv_urb(urb_context); 460 return; 461 } 462 463 static void ath6kl_usb_flush_all(struct ath6kl_usb *ar_usb) 464 { 465 int i; 466 467 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 468 if (ar_usb->pipes[i].ar_usb != NULL) 469 usb_kill_anchored_urbs(&ar_usb->pipes[i].urb_submitted); 470 } 471 472 /* 473 * Flushing any pending I/O may schedule work this call will block 474 * until all scheduled work runs to completion. 475 */ 476 flush_scheduled_work(); 477 } 478 479 static void ath6kl_usb_start_recv_pipes(struct ath6kl_usb *ar_usb) 480 { 481 /* 482 * note: control pipe is no longer used 483 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_cnt_thresh = 484 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_alloc/2; 485 * ath6kl_usb_post_recv_transfers(&ar_usb-> 486 * pipes[ATH6KL_USB_PIPE_RX_CTRL], 487 * ATH6KL_USB_RX_BUFFER_SIZE); 488 */ 489 490 ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_cnt_thresh = 1; 491 492 ath6kl_usb_post_recv_transfers(&ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA], 493 ATH6KL_USB_RX_BUFFER_SIZE); 494 } 495 496 /* hif usb rx/tx completion functions */ 497 static void ath6kl_usb_recv_complete(struct urb *urb) 498 { 499 struct ath6kl_urb_context *urb_context = urb->context; 500 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 501 struct sk_buff *skb = NULL; 502 int status = 0; 503 504 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 505 "%s: recv pipe: %d, stat:%d, len:%d urb:0x%p\n", __func__, 506 pipe->logical_pipe_num, urb->status, urb->actual_length, 507 urb); 508 509 if (urb->status != 0) { 510 status = -EIO; 511 switch (urb->status) { 512 case -ECONNRESET: 513 case -ENOENT: 514 case -ESHUTDOWN: 515 /* 516 * no need to spew these errors when device 517 * removed or urb killed due to driver shutdown 518 */ 519 status = -ECANCELED; 520 break; 521 default: 522 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 523 "%s recv pipe: %d (ep:0x%2.2X), failed:%d\n", 524 __func__, pipe->logical_pipe_num, 525 pipe->ep_address, urb->status); 526 break; 527 } 528 goto cleanup_recv_urb; 529 } 530 531 if (urb->actual_length == 0) 532 goto cleanup_recv_urb; 533 534 skb = urb_context->skb; 535 536 /* we are going to pass it up */ 537 urb_context->skb = NULL; 538 skb_put(skb, urb->actual_length); 539 540 /* note: queue implements a lock */ 541 skb_queue_tail(&pipe->io_comp_queue, skb); 542 schedule_work(&pipe->io_complete_work); 543 544 cleanup_recv_urb: 545 ath6kl_usb_cleanup_recv_urb(urb_context); 546 547 if (status == 0 && 548 pipe->urb_cnt >= pipe->urb_cnt_thresh) { 549 /* our free urbs are piling up, post more transfers */ 550 ath6kl_usb_post_recv_transfers(pipe, ATH6KL_USB_RX_BUFFER_SIZE); 551 } 552 } 553 554 static void ath6kl_usb_usb_transmit_complete(struct urb *urb) 555 { 556 struct ath6kl_urb_context *urb_context = urb->context; 557 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 558 struct sk_buff *skb; 559 560 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 561 "%s: pipe: %d, stat:%d, len:%d\n", 562 __func__, pipe->logical_pipe_num, urb->status, 563 urb->actual_length); 564 565 if (urb->status != 0) { 566 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 567 "%s: pipe: %d, failed:%d\n", 568 __func__, pipe->logical_pipe_num, urb->status); 569 } 570 571 skb = urb_context->skb; 572 urb_context->skb = NULL; 573 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 574 575 /* note: queue implements a lock */ 576 skb_queue_tail(&pipe->io_comp_queue, skb); 577 schedule_work(&pipe->io_complete_work); 578 } 579 580 static void ath6kl_usb_io_comp_work(struct work_struct *work) 581 { 582 struct ath6kl_usb_pipe *pipe = container_of(work, 583 struct ath6kl_usb_pipe, 584 io_complete_work); 585 struct ath6kl_usb *ar_usb; 586 struct sk_buff *skb; 587 588 ar_usb = pipe->ar_usb; 589 590 while ((skb = skb_dequeue(&pipe->io_comp_queue))) { 591 if (pipe->flags & ATH6KL_USB_PIPE_FLAG_TX) { 592 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 593 "ath6kl usb xmit callback buf:0x%p\n", skb); 594 ath6kl_core_tx_complete(ar_usb->ar, skb); 595 } else { 596 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 597 "ath6kl usb recv callback buf:0x%p\n", skb); 598 ath6kl_core_rx_complete(ar_usb->ar, skb, 599 pipe->logical_pipe_num); 600 } 601 } 602 } 603 604 #define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)) 605 #define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read)) 606 607 static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb) 608 { 609 ath6kl_usb_flush_all(ar_usb); 610 611 ath6kl_usb_cleanup_pipe_resources(ar_usb); 612 613 usb_set_intfdata(ar_usb->interface, NULL); 614 615 kfree(ar_usb->diag_cmd_buffer); 616 kfree(ar_usb->diag_resp_buffer); 617 618 kfree(ar_usb); 619 } 620 621 static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface) 622 { 623 struct usb_device *dev = interface_to_usbdev(interface); 624 struct ath6kl_usb *ar_usb; 625 struct ath6kl_usb_pipe *pipe; 626 int status = 0; 627 int i; 628 629 ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL); 630 if (ar_usb == NULL) 631 goto fail_ath6kl_usb_create; 632 633 usb_set_intfdata(interface, ar_usb); 634 spin_lock_init(&(ar_usb->cs_lock)); 635 ar_usb->udev = dev; 636 ar_usb->interface = interface; 637 638 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 639 pipe = &ar_usb->pipes[i]; 640 INIT_WORK(&pipe->io_complete_work, 641 ath6kl_usb_io_comp_work); 642 skb_queue_head_init(&pipe->io_comp_queue); 643 } 644 645 ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL); 646 if (ar_usb->diag_cmd_buffer == NULL) { 647 status = -ENOMEM; 648 goto fail_ath6kl_usb_create; 649 } 650 651 ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP, 652 GFP_KERNEL); 653 if (ar_usb->diag_resp_buffer == NULL) { 654 status = -ENOMEM; 655 goto fail_ath6kl_usb_create; 656 } 657 658 status = ath6kl_usb_setup_pipe_resources(ar_usb); 659 660 fail_ath6kl_usb_create: 661 if (status != 0) { 662 ath6kl_usb_destroy(ar_usb); 663 ar_usb = NULL; 664 } 665 return ar_usb; 666 } 667 668 static void ath6kl_usb_device_detached(struct usb_interface *interface) 669 { 670 struct ath6kl_usb *ar_usb; 671 672 ar_usb = usb_get_intfdata(interface); 673 if (ar_usb == NULL) 674 return; 675 676 ath6kl_stop_txrx(ar_usb->ar); 677 678 /* Delay to wait for the target to reboot */ 679 mdelay(20); 680 ath6kl_core_cleanup(ar_usb->ar); 681 ath6kl_usb_destroy(ar_usb); 682 } 683 684 /* exported hif usb APIs for htc pipe */ 685 static void hif_start(struct ath6kl *ar) 686 { 687 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 688 int i; 689 690 ath6kl_usb_start_recv_pipes(device); 691 692 /* set the TX resource avail threshold for each TX pipe */ 693 for (i = ATH6KL_USB_PIPE_TX_CTRL; 694 i <= ATH6KL_USB_PIPE_TX_DATA_HP; i++) { 695 device->pipes[i].urb_cnt_thresh = 696 device->pipes[i].urb_alloc / 2; 697 } 698 } 699 700 static int ath6kl_usb_send(struct ath6kl *ar, u8 PipeID, 701 struct sk_buff *hdr_skb, struct sk_buff *skb) 702 { 703 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 704 struct ath6kl_usb_pipe *pipe = &device->pipes[PipeID]; 705 struct ath6kl_urb_context *urb_context; 706 int usb_status, status = 0; 707 struct urb *urb; 708 u8 *data; 709 u32 len; 710 711 ath6kl_dbg(ATH6KL_DBG_USB_BULK, "+%s pipe : %d, buf:0x%p\n", 712 __func__, PipeID, skb); 713 714 urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 715 716 if (urb_context == NULL) { 717 /* 718 * TODO: it is possible to run out of urbs if 719 * 2 endpoints map to the same pipe ID 720 */ 721 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 722 "%s pipe:%d no urbs left. URB Cnt : %d\n", 723 __func__, PipeID, pipe->urb_cnt); 724 status = -ENOMEM; 725 goto fail_hif_send; 726 } 727 728 urb_context->skb = skb; 729 730 data = skb->data; 731 len = skb->len; 732 733 urb = usb_alloc_urb(0, GFP_ATOMIC); 734 if (urb == NULL) { 735 status = -ENOMEM; 736 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 737 urb_context); 738 goto fail_hif_send; 739 } 740 741 usb_fill_bulk_urb(urb, 742 device->udev, 743 pipe->usb_pipe_handle, 744 data, 745 len, 746 ath6kl_usb_usb_transmit_complete, urb_context); 747 748 if ((len % pipe->max_packet_size) == 0) { 749 /* hit a max packet boundary on this pipe */ 750 urb->transfer_flags |= URB_ZERO_PACKET; 751 } 752 753 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 754 "athusb bulk send submit:%d, 0x%X (ep:0x%2.2X), %d bytes\n", 755 pipe->logical_pipe_num, pipe->usb_pipe_handle, 756 pipe->ep_address, len); 757 758 usb_anchor_urb(urb, &pipe->urb_submitted); 759 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 760 761 if (usb_status) { 762 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 763 "ath6kl usb : usb bulk transmit failed %d\n", 764 usb_status); 765 usb_unanchor_urb(urb); 766 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 767 urb_context); 768 status = -EINVAL; 769 } 770 usb_free_urb(urb); 771 772 fail_hif_send: 773 return status; 774 } 775 776 static void hif_stop(struct ath6kl *ar) 777 { 778 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 779 780 ath6kl_usb_flush_all(device); 781 } 782 783 static void ath6kl_usb_get_default_pipe(struct ath6kl *ar, 784 u8 *ul_pipe, u8 *dl_pipe) 785 { 786 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 787 *dl_pipe = ATH6KL_USB_PIPE_RX_CTRL; 788 } 789 790 static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id, 791 u8 *ul_pipe, u8 *dl_pipe) 792 { 793 int status = 0; 794 795 switch (svc_id) { 796 case HTC_CTRL_RSVD_SVC: 797 case WMI_CONTROL_SVC: 798 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 799 /* due to large control packets, shift to data pipe */ 800 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 801 break; 802 case WMI_DATA_BE_SVC: 803 case WMI_DATA_BK_SVC: 804 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 805 /* 806 * Disable rxdata2 directly, it will be enabled 807 * if FW enable rxdata2 808 */ 809 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 810 break; 811 case WMI_DATA_VI_SVC: 812 813 if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, 814 ar->fw_capabilities)) 815 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 816 else 817 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 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_VO_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 default: 838 status = -EPERM; 839 break; 840 } 841 842 return status; 843 } 844 845 static u16 ath6kl_usb_get_free_queue_number(struct ath6kl *ar, u8 pipe_id) 846 { 847 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 848 849 return device->pipes[pipe_id].urb_cnt; 850 } 851 852 static void hif_detach_htc(struct ath6kl *ar) 853 { 854 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 855 856 ath6kl_usb_flush_all(device); 857 } 858 859 static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb, 860 u8 req, u16 value, u16 index, void *data, 861 u32 size) 862 { 863 u8 *buf = NULL; 864 int ret; 865 866 if (size > 0) { 867 buf = kmemdup(data, size, GFP_KERNEL); 868 if (buf == NULL) 869 return -ENOMEM; 870 } 871 872 /* note: if successful returns number of bytes transfered */ 873 ret = usb_control_msg(ar_usb->udev, 874 usb_sndctrlpipe(ar_usb->udev, 0), 875 req, 876 USB_DIR_OUT | USB_TYPE_VENDOR | 877 USB_RECIP_DEVICE, value, index, buf, 878 size, 1000); 879 880 if (ret < 0) { 881 ath6kl_warn("Failed to submit usb control message: %d\n", ret); 882 kfree(buf); 883 return ret; 884 } 885 886 kfree(buf); 887 888 return 0; 889 } 890 891 static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb, 892 u8 req, u16 value, u16 index, void *data, 893 u32 size) 894 { 895 u8 *buf = NULL; 896 int ret; 897 898 if (size > 0) { 899 buf = kmalloc(size, GFP_KERNEL); 900 if (buf == NULL) 901 return -ENOMEM; 902 } 903 904 /* note: if successful returns number of bytes transfered */ 905 ret = usb_control_msg(ar_usb->udev, 906 usb_rcvctrlpipe(ar_usb->udev, 0), 907 req, 908 USB_DIR_IN | USB_TYPE_VENDOR | 909 USB_RECIP_DEVICE, value, index, buf, 910 size, 2 * HZ); 911 912 if (ret < 0) { 913 ath6kl_warn("Failed to read usb control message: %d\n", ret); 914 kfree(buf); 915 return ret; 916 } 917 918 memcpy((u8 *) data, buf, size); 919 920 kfree(buf); 921 922 return 0; 923 } 924 925 static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb, 926 u8 req_val, u8 *req_buf, u32 req_len, 927 u8 resp_val, u8 *resp_buf, u32 *resp_len) 928 { 929 int ret; 930 931 /* send command */ 932 ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0, 933 req_buf, req_len); 934 935 if (ret != 0) 936 return ret; 937 938 if (resp_buf == NULL) { 939 /* no expected response */ 940 return ret; 941 } 942 943 /* get response */ 944 ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0, 945 resp_buf, *resp_len); 946 947 return ret; 948 } 949 950 static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data) 951 { 952 struct ath6kl_usb *ar_usb = ar->hif_priv; 953 struct ath6kl_usb_ctrl_diag_resp_read *resp; 954 struct ath6kl_usb_ctrl_diag_cmd_read *cmd; 955 u32 resp_len; 956 int ret; 957 958 cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer; 959 960 memset(cmd, 0, sizeof(*cmd)); 961 cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ; 962 cmd->address = cpu_to_le32(address); 963 resp_len = sizeof(*resp); 964 965 ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, 966 ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 967 (u8 *) cmd, 968 sizeof(struct ath6kl_usb_ctrl_diag_cmd_write), 969 ATH6KL_USB_CONTROL_REQ_DIAG_RESP, 970 ar_usb->diag_resp_buffer, &resp_len); 971 972 if (ret) { 973 ath6kl_warn("diag read32 failed: %d\n", ret); 974 return ret; 975 } 976 977 resp = (struct ath6kl_usb_ctrl_diag_resp_read *) 978 ar_usb->diag_resp_buffer; 979 980 *data = le32_to_cpu(resp->value); 981 982 return ret; 983 } 984 985 static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data) 986 { 987 struct ath6kl_usb *ar_usb = ar->hif_priv; 988 struct ath6kl_usb_ctrl_diag_cmd_write *cmd; 989 int ret; 990 991 cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer; 992 993 memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)); 994 cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE); 995 cmd->address = cpu_to_le32(address); 996 cmd->value = data; 997 998 ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, 999 ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 1000 (u8 *) cmd, 1001 sizeof(*cmd), 1002 0, NULL, NULL); 1003 if (ret) { 1004 ath6kl_warn("diag_write32 failed: %d\n", ret); 1005 return ret; 1006 } 1007 1008 return 0; 1009 } 1010 1011 static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len) 1012 { 1013 struct ath6kl_usb *ar_usb = ar->hif_priv; 1014 int ret; 1015 1016 /* get response */ 1017 ret = ath6kl_usb_submit_ctrl_in(ar_usb, 1018 ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP, 1019 0, 0, buf, len); 1020 if (ret) { 1021 ath6kl_err("Unable to read the bmi data from the device: %d\n", 1022 ret); 1023 return ret; 1024 } 1025 1026 return 0; 1027 } 1028 1029 static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len) 1030 { 1031 struct ath6kl_usb *ar_usb = ar->hif_priv; 1032 int ret; 1033 1034 /* send command */ 1035 ret = ath6kl_usb_submit_ctrl_out(ar_usb, 1036 ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD, 1037 0, 0, buf, len); 1038 if (ret) { 1039 ath6kl_err("unable to send the bmi data to the device: %d\n", 1040 ret); 1041 return ret; 1042 } 1043 1044 return 0; 1045 } 1046 1047 static int ath6kl_usb_power_on(struct ath6kl *ar) 1048 { 1049 hif_start(ar); 1050 return 0; 1051 } 1052 1053 static int ath6kl_usb_power_off(struct ath6kl *ar) 1054 { 1055 hif_detach_htc(ar); 1056 return 0; 1057 } 1058 1059 static void ath6kl_usb_stop(struct ath6kl *ar) 1060 { 1061 hif_stop(ar); 1062 } 1063 1064 static void ath6kl_usb_cleanup_scatter(struct ath6kl *ar) 1065 { 1066 /* 1067 * USB doesn't support it. Just return. 1068 */ 1069 return; 1070 } 1071 1072 static int ath6kl_usb_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 1073 { 1074 /* 1075 * cfg80211 suspend/WOW currently not supported for USB. 1076 */ 1077 return 0; 1078 } 1079 1080 static int ath6kl_usb_resume(struct ath6kl *ar) 1081 { 1082 /* 1083 * cfg80211 resume currently not supported for USB. 1084 */ 1085 return 0; 1086 } 1087 1088 static const struct ath6kl_hif_ops ath6kl_usb_ops = { 1089 .diag_read32 = ath6kl_usb_diag_read32, 1090 .diag_write32 = ath6kl_usb_diag_write32, 1091 .bmi_read = ath6kl_usb_bmi_read, 1092 .bmi_write = ath6kl_usb_bmi_write, 1093 .power_on = ath6kl_usb_power_on, 1094 .power_off = ath6kl_usb_power_off, 1095 .stop = ath6kl_usb_stop, 1096 .pipe_send = ath6kl_usb_send, 1097 .pipe_get_default = ath6kl_usb_get_default_pipe, 1098 .pipe_map_service = ath6kl_usb_map_service_pipe, 1099 .pipe_get_free_queue_number = ath6kl_usb_get_free_queue_number, 1100 .cleanup_scatter = ath6kl_usb_cleanup_scatter, 1101 .suspend = ath6kl_usb_suspend, 1102 .resume = ath6kl_usb_resume, 1103 }; 1104 1105 /* ath6kl usb driver registered functions */ 1106 static int ath6kl_usb_probe(struct usb_interface *interface, 1107 const struct usb_device_id *id) 1108 { 1109 struct usb_device *dev = interface_to_usbdev(interface); 1110 struct ath6kl *ar; 1111 struct ath6kl_usb *ar_usb = NULL; 1112 int vendor_id, product_id; 1113 int ret = 0; 1114 1115 usb_get_dev(dev); 1116 1117 vendor_id = le16_to_cpu(dev->descriptor.idVendor); 1118 product_id = le16_to_cpu(dev->descriptor.idProduct); 1119 1120 ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id); 1121 ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id); 1122 1123 if (interface->cur_altsetting) 1124 ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n", 1125 interface->cur_altsetting->desc.bInterfaceNumber); 1126 1127 1128 if (dev->speed == USB_SPEED_HIGH) 1129 ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n"); 1130 else 1131 ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n"); 1132 1133 ar_usb = ath6kl_usb_create(interface); 1134 1135 if (ar_usb == NULL) { 1136 ret = -ENOMEM; 1137 goto err_usb_put; 1138 } 1139 1140 ar = ath6kl_core_create(&ar_usb->udev->dev); 1141 if (ar == NULL) { 1142 ath6kl_err("Failed to alloc ath6kl core\n"); 1143 ret = -ENOMEM; 1144 goto err_usb_destroy; 1145 } 1146 1147 ar->hif_priv = ar_usb; 1148 ar->hif_type = ATH6KL_HIF_TYPE_USB; 1149 ar->hif_ops = &ath6kl_usb_ops; 1150 ar->mbox_info.block_size = 16; 1151 ar->bmi.max_data_size = 252; 1152 1153 ar_usb->ar = ar; 1154 1155 ret = ath6kl_core_init(ar, ATH6KL_HTC_TYPE_PIPE); 1156 if (ret) { 1157 ath6kl_err("Failed to init ath6kl core: %d\n", ret); 1158 goto err_core_free; 1159 } 1160 1161 return ret; 1162 1163 err_core_free: 1164 ath6kl_core_destroy(ar); 1165 err_usb_destroy: 1166 ath6kl_usb_destroy(ar_usb); 1167 err_usb_put: 1168 usb_put_dev(dev); 1169 1170 return ret; 1171 } 1172 1173 static void ath6kl_usb_remove(struct usb_interface *interface) 1174 { 1175 usb_put_dev(interface_to_usbdev(interface)); 1176 ath6kl_usb_device_detached(interface); 1177 } 1178 1179 #ifdef CONFIG_PM 1180 1181 static int ath6kl_usb_pm_suspend(struct usb_interface *interface, 1182 pm_message_t message) 1183 { 1184 struct ath6kl_usb *device; 1185 device = usb_get_intfdata(interface); 1186 1187 ath6kl_usb_flush_all(device); 1188 return 0; 1189 } 1190 1191 static int ath6kl_usb_pm_resume(struct usb_interface *interface) 1192 { 1193 struct ath6kl_usb *device; 1194 device = usb_get_intfdata(interface); 1195 1196 ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA], 1197 ATH6KL_USB_RX_BUFFER_SIZE); 1198 ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA2], 1199 ATH6KL_USB_RX_BUFFER_SIZE); 1200 1201 return 0; 1202 } 1203 1204 #else 1205 1206 #define ath6kl_usb_pm_suspend NULL 1207 #define ath6kl_usb_pm_resume NULL 1208 1209 #endif 1210 1211 /* table of devices that work with this driver */ 1212 static const struct usb_device_id ath6kl_usb_ids[] = { 1213 {USB_DEVICE(0x0cf3, 0x9375)}, 1214 {USB_DEVICE(0x0cf3, 0x9374)}, 1215 { /* Terminating entry */ }, 1216 }; 1217 1218 MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids); 1219 1220 static struct usb_driver ath6kl_usb_driver = { 1221 .name = "ath6kl_usb", 1222 .probe = ath6kl_usb_probe, 1223 .suspend = ath6kl_usb_pm_suspend, 1224 .resume = ath6kl_usb_pm_resume, 1225 .disconnect = ath6kl_usb_remove, 1226 .id_table = ath6kl_usb_ids, 1227 .supports_autosuspend = true, 1228 .disable_hub_initiated_lpm = 1, 1229 }; 1230 1231 module_usb_driver(ath6kl_usb_driver); 1232 1233 MODULE_AUTHOR("Atheros Communications, Inc."); 1234 MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices"); 1235 MODULE_LICENSE("Dual BSD/GPL"); 1236 MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE); 1237 MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE); 1238 MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE); 1239 MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE); 1240 MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE); 1241 MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE); 1242 MODULE_FIRMWARE(AR6004_HW_1_2_FIRMWARE_FILE); 1243 MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE); 1244 MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE); 1245 MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE); 1246 MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE); 1247 MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE); 1248