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