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