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 } 241 242 static void ath6kl_usb_cleanup_pipe_resources(struct ath6kl_usb *ar_usb) 243 { 244 int i; 245 246 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) 247 ath6kl_usb_free_pipe_resources(&ar_usb->pipes[i]); 248 249 } 250 251 static u8 ath6kl_usb_get_logical_pipe_num(struct ath6kl_usb *ar_usb, 252 u8 ep_address, int *urb_count) 253 { 254 u8 pipe_num = ATH6KL_USB_PIPE_INVALID; 255 256 switch (ep_address) { 257 case ATH6KL_USB_EP_ADDR_APP_CTRL_IN: 258 pipe_num = ATH6KL_USB_PIPE_RX_CTRL; 259 *urb_count = RX_URB_COUNT; 260 break; 261 case ATH6KL_USB_EP_ADDR_APP_DATA_IN: 262 pipe_num = ATH6KL_USB_PIPE_RX_DATA; 263 *urb_count = RX_URB_COUNT; 264 break; 265 case ATH6KL_USB_EP_ADDR_APP_INT_IN: 266 pipe_num = ATH6KL_USB_PIPE_RX_INT; 267 *urb_count = RX_URB_COUNT; 268 break; 269 case ATH6KL_USB_EP_ADDR_APP_DATA2_IN: 270 pipe_num = ATH6KL_USB_PIPE_RX_DATA2; 271 *urb_count = RX_URB_COUNT; 272 break; 273 case ATH6KL_USB_EP_ADDR_APP_CTRL_OUT: 274 pipe_num = ATH6KL_USB_PIPE_TX_CTRL; 275 *urb_count = TX_URB_COUNT; 276 break; 277 case ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT: 278 pipe_num = ATH6KL_USB_PIPE_TX_DATA_LP; 279 *urb_count = TX_URB_COUNT; 280 break; 281 case ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT: 282 pipe_num = ATH6KL_USB_PIPE_TX_DATA_MP; 283 *urb_count = TX_URB_COUNT; 284 break; 285 case ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT: 286 pipe_num = ATH6KL_USB_PIPE_TX_DATA_HP; 287 *urb_count = TX_URB_COUNT; 288 break; 289 default: 290 /* note: there may be endpoints not currently used */ 291 break; 292 } 293 294 return pipe_num; 295 } 296 297 static int ath6kl_usb_setup_pipe_resources(struct ath6kl_usb *ar_usb) 298 { 299 struct usb_interface *interface = ar_usb->interface; 300 struct usb_host_interface *iface_desc = interface->cur_altsetting; 301 struct usb_endpoint_descriptor *endpoint; 302 struct ath6kl_usb_pipe *pipe; 303 int i, urbcount, status = 0; 304 u8 pipe_num; 305 306 ath6kl_dbg(ATH6KL_DBG_USB, "setting up USB Pipes using interface\n"); 307 308 /* walk decriptors and setup pipes */ 309 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 310 endpoint = &iface_desc->endpoint[i].desc; 311 312 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 313 ath6kl_dbg(ATH6KL_DBG_USB, 314 "%s Bulk Ep:0x%2.2X maxpktsz:%d\n", 315 ATH6KL_USB_IS_DIR_IN 316 (endpoint->bEndpointAddress) ? 317 "RX" : "TX", endpoint->bEndpointAddress, 318 le16_to_cpu(endpoint->wMaxPacketSize)); 319 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 320 ath6kl_dbg(ATH6KL_DBG_USB, 321 "%s Int Ep:0x%2.2X maxpktsz:%d interval:%d\n", 322 ATH6KL_USB_IS_DIR_IN 323 (endpoint->bEndpointAddress) ? 324 "RX" : "TX", endpoint->bEndpointAddress, 325 le16_to_cpu(endpoint->wMaxPacketSize), 326 endpoint->bInterval); 327 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 328 /* TODO for ISO */ 329 ath6kl_dbg(ATH6KL_DBG_USB, 330 "%s ISOC Ep:0x%2.2X maxpktsz:%d interval:%d\n", 331 ATH6KL_USB_IS_DIR_IN 332 (endpoint->bEndpointAddress) ? 333 "RX" : "TX", endpoint->bEndpointAddress, 334 le16_to_cpu(endpoint->wMaxPacketSize), 335 endpoint->bInterval); 336 } 337 urbcount = 0; 338 339 pipe_num = 340 ath6kl_usb_get_logical_pipe_num(ar_usb, 341 endpoint->bEndpointAddress, 342 &urbcount); 343 if (pipe_num == ATH6KL_USB_PIPE_INVALID) 344 continue; 345 346 pipe = &ar_usb->pipes[pipe_num]; 347 if (pipe->ar_usb != NULL) { 348 /* hmmm..pipe was already setup */ 349 continue; 350 } 351 352 pipe->ar_usb = ar_usb; 353 pipe->logical_pipe_num = pipe_num; 354 pipe->ep_address = endpoint->bEndpointAddress; 355 pipe->max_packet_size = le16_to_cpu(endpoint->wMaxPacketSize); 356 357 if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 358 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 359 pipe->usb_pipe_handle = 360 usb_rcvbulkpipe(ar_usb->udev, 361 pipe->ep_address); 362 } else { 363 pipe->usb_pipe_handle = 364 usb_sndbulkpipe(ar_usb->udev, 365 pipe->ep_address); 366 } 367 } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 368 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 369 pipe->usb_pipe_handle = 370 usb_rcvintpipe(ar_usb->udev, 371 pipe->ep_address); 372 } else { 373 pipe->usb_pipe_handle = 374 usb_sndintpipe(ar_usb->udev, 375 pipe->ep_address); 376 } 377 } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 378 /* TODO for ISO */ 379 if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 380 pipe->usb_pipe_handle = 381 usb_rcvisocpipe(ar_usb->udev, 382 pipe->ep_address); 383 } else { 384 pipe->usb_pipe_handle = 385 usb_sndisocpipe(ar_usb->udev, 386 pipe->ep_address); 387 } 388 } 389 390 pipe->ep_desc = endpoint; 391 392 if (!ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) 393 pipe->flags |= ATH6KL_USB_PIPE_FLAG_TX; 394 395 status = ath6kl_usb_alloc_pipe_resources(pipe, urbcount); 396 if (status != 0) 397 break; 398 } 399 400 return status; 401 } 402 403 /* pipe operations */ 404 static void ath6kl_usb_post_recv_transfers(struct ath6kl_usb_pipe *recv_pipe, 405 int buffer_length) 406 { 407 struct ath6kl_urb_context *urb_context; 408 struct urb *urb; 409 int usb_status; 410 411 while (true) { 412 urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe); 413 if (urb_context == NULL) 414 break; 415 416 urb_context->skb = dev_alloc_skb(buffer_length); 417 if (urb_context->skb == NULL) 418 goto err_cleanup_urb; 419 420 urb = usb_alloc_urb(0, GFP_ATOMIC); 421 if (urb == NULL) 422 goto err_cleanup_urb; 423 424 usb_fill_bulk_urb(urb, 425 recv_pipe->ar_usb->udev, 426 recv_pipe->usb_pipe_handle, 427 urb_context->skb->data, 428 buffer_length, 429 ath6kl_usb_recv_complete, urb_context); 430 431 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 432 "ath6kl usb: bulk recv submit:%d, 0x%X (ep:0x%2.2X), %d bytes buf:0x%p\n", 433 recv_pipe->logical_pipe_num, 434 recv_pipe->usb_pipe_handle, recv_pipe->ep_address, 435 buffer_length, urb_context->skb); 436 437 usb_anchor_urb(urb, &recv_pipe->urb_submitted); 438 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 439 440 if (usb_status) { 441 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 442 "ath6kl usb : usb bulk recv failed %d\n", 443 usb_status); 444 usb_unanchor_urb(urb); 445 usb_free_urb(urb); 446 goto err_cleanup_urb; 447 } 448 usb_free_urb(urb); 449 } 450 return; 451 452 err_cleanup_urb: 453 ath6kl_usb_cleanup_recv_urb(urb_context); 454 return; 455 } 456 457 static void ath6kl_usb_flush_all(struct ath6kl_usb *ar_usb) 458 { 459 int i; 460 461 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 462 if (ar_usb->pipes[i].ar_usb != NULL) 463 usb_kill_anchored_urbs(&ar_usb->pipes[i].urb_submitted); 464 } 465 466 /* 467 * Flushing any pending I/O may schedule work this call will block 468 * until all scheduled work runs to completion. 469 */ 470 flush_scheduled_work(); 471 } 472 473 static void ath6kl_usb_start_recv_pipes(struct ath6kl_usb *ar_usb) 474 { 475 /* 476 * note: control pipe is no longer used 477 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_cnt_thresh = 478 * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_alloc/2; 479 * ath6kl_usb_post_recv_transfers(&ar_usb-> 480 * pipes[ATH6KL_USB_PIPE_RX_CTRL], 481 * ATH6KL_USB_RX_BUFFER_SIZE); 482 */ 483 484 ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_cnt_thresh = 485 ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_alloc / 2; 486 ath6kl_usb_post_recv_transfers(&ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA], 487 ATH6KL_USB_RX_BUFFER_SIZE); 488 } 489 490 /* hif usb rx/tx completion functions */ 491 static void ath6kl_usb_recv_complete(struct urb *urb) 492 { 493 struct ath6kl_urb_context *urb_context = urb->context; 494 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 495 struct sk_buff *skb = NULL; 496 int status = 0; 497 498 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 499 "%s: recv pipe: %d, stat:%d, len:%d urb:0x%p\n", __func__, 500 pipe->logical_pipe_num, urb->status, urb->actual_length, 501 urb); 502 503 if (urb->status != 0) { 504 status = -EIO; 505 switch (urb->status) { 506 case -ECONNRESET: 507 case -ENOENT: 508 case -ESHUTDOWN: 509 /* 510 * no need to spew these errors when device 511 * removed or urb killed due to driver shutdown 512 */ 513 status = -ECANCELED; 514 break; 515 default: 516 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 517 "%s recv pipe: %d (ep:0x%2.2X), failed:%d\n", 518 __func__, pipe->logical_pipe_num, 519 pipe->ep_address, urb->status); 520 break; 521 } 522 goto cleanup_recv_urb; 523 } 524 525 if (urb->actual_length == 0) 526 goto cleanup_recv_urb; 527 528 skb = urb_context->skb; 529 530 /* we are going to pass it up */ 531 urb_context->skb = NULL; 532 skb_put(skb, urb->actual_length); 533 534 /* note: queue implements a lock */ 535 skb_queue_tail(&pipe->io_comp_queue, skb); 536 schedule_work(&pipe->io_complete_work); 537 538 cleanup_recv_urb: 539 ath6kl_usb_cleanup_recv_urb(urb_context); 540 541 if (status == 0 && 542 pipe->urb_cnt >= pipe->urb_cnt_thresh) { 543 /* our free urbs are piling up, post more transfers */ 544 ath6kl_usb_post_recv_transfers(pipe, ATH6KL_USB_RX_BUFFER_SIZE); 545 } 546 } 547 548 static void ath6kl_usb_usb_transmit_complete(struct urb *urb) 549 { 550 struct ath6kl_urb_context *urb_context = urb->context; 551 struct ath6kl_usb_pipe *pipe = urb_context->pipe; 552 struct sk_buff *skb; 553 554 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 555 "%s: pipe: %d, stat:%d, len:%d\n", 556 __func__, pipe->logical_pipe_num, urb->status, 557 urb->actual_length); 558 559 if (urb->status != 0) { 560 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 561 "%s: pipe: %d, failed:%d\n", 562 __func__, pipe->logical_pipe_num, urb->status); 563 } 564 565 skb = urb_context->skb; 566 urb_context->skb = NULL; 567 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 568 569 /* note: queue implements a lock */ 570 skb_queue_tail(&pipe->io_comp_queue, skb); 571 schedule_work(&pipe->io_complete_work); 572 } 573 574 static void ath6kl_usb_io_comp_work(struct work_struct *work) 575 { 576 struct ath6kl_usb_pipe *pipe = container_of(work, 577 struct ath6kl_usb_pipe, 578 io_complete_work); 579 struct ath6kl_usb *ar_usb; 580 struct sk_buff *skb; 581 582 ar_usb = pipe->ar_usb; 583 584 while ((skb = skb_dequeue(&pipe->io_comp_queue))) { 585 if (pipe->flags & ATH6KL_USB_PIPE_FLAG_TX) { 586 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 587 "ath6kl usb xmit callback buf:0x%p\n", skb); 588 ath6kl_core_tx_complete(ar_usb->ar, skb); 589 } else { 590 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 591 "ath6kl usb recv callback buf:0x%p\n", skb); 592 ath6kl_core_rx_complete(ar_usb->ar, skb, 593 pipe->logical_pipe_num); 594 } 595 } 596 } 597 598 #define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)) 599 #define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read)) 600 601 static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb) 602 { 603 ath6kl_usb_flush_all(ar_usb); 604 605 ath6kl_usb_cleanup_pipe_resources(ar_usb); 606 607 usb_set_intfdata(ar_usb->interface, NULL); 608 609 kfree(ar_usb->diag_cmd_buffer); 610 kfree(ar_usb->diag_resp_buffer); 611 612 kfree(ar_usb); 613 } 614 615 static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface) 616 { 617 struct usb_device *dev = interface_to_usbdev(interface); 618 struct ath6kl_usb *ar_usb; 619 struct ath6kl_usb_pipe *pipe; 620 int status = 0; 621 int i; 622 623 ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL); 624 if (ar_usb == NULL) 625 goto fail_ath6kl_usb_create; 626 627 usb_set_intfdata(interface, ar_usb); 628 spin_lock_init(&(ar_usb->cs_lock)); 629 ar_usb->udev = dev; 630 ar_usb->interface = interface; 631 632 for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 633 pipe = &ar_usb->pipes[i]; 634 INIT_WORK(&pipe->io_complete_work, 635 ath6kl_usb_io_comp_work); 636 skb_queue_head_init(&pipe->io_comp_queue); 637 } 638 639 ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL); 640 if (ar_usb->diag_cmd_buffer == NULL) { 641 status = -ENOMEM; 642 goto fail_ath6kl_usb_create; 643 } 644 645 ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP, 646 GFP_KERNEL); 647 if (ar_usb->diag_resp_buffer == NULL) { 648 status = -ENOMEM; 649 goto fail_ath6kl_usb_create; 650 } 651 652 status = ath6kl_usb_setup_pipe_resources(ar_usb); 653 654 fail_ath6kl_usb_create: 655 if (status != 0) { 656 ath6kl_usb_destroy(ar_usb); 657 ar_usb = NULL; 658 } 659 return ar_usb; 660 } 661 662 static void ath6kl_usb_device_detached(struct usb_interface *interface) 663 { 664 struct ath6kl_usb *ar_usb; 665 666 ar_usb = usb_get_intfdata(interface); 667 if (ar_usb == NULL) 668 return; 669 670 ath6kl_stop_txrx(ar_usb->ar); 671 672 /* Delay to wait for the target to reboot */ 673 mdelay(20); 674 ath6kl_core_cleanup(ar_usb->ar); 675 ath6kl_usb_destroy(ar_usb); 676 } 677 678 /* exported hif usb APIs for htc pipe */ 679 static void hif_start(struct ath6kl *ar) 680 { 681 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 682 int i; 683 684 ath6kl_usb_start_recv_pipes(device); 685 686 /* set the TX resource avail threshold for each TX pipe */ 687 for (i = ATH6KL_USB_PIPE_TX_CTRL; 688 i <= ATH6KL_USB_PIPE_TX_DATA_HP; i++) { 689 device->pipes[i].urb_cnt_thresh = 690 device->pipes[i].urb_alloc / 2; 691 } 692 } 693 694 static int ath6kl_usb_send(struct ath6kl *ar, u8 PipeID, 695 struct sk_buff *hdr_skb, struct sk_buff *skb) 696 { 697 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 698 struct ath6kl_usb_pipe *pipe = &device->pipes[PipeID]; 699 struct ath6kl_urb_context *urb_context; 700 int usb_status, status = 0; 701 struct urb *urb; 702 u8 *data; 703 u32 len; 704 705 ath6kl_dbg(ATH6KL_DBG_USB_BULK, "+%s pipe : %d, buf:0x%p\n", 706 __func__, PipeID, skb); 707 708 urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 709 710 if (urb_context == NULL) { 711 /* 712 * TODO: it is possible to run out of urbs if 713 * 2 endpoints map to the same pipe ID 714 */ 715 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 716 "%s pipe:%d no urbs left. URB Cnt : %d\n", 717 __func__, PipeID, pipe->urb_cnt); 718 status = -ENOMEM; 719 goto fail_hif_send; 720 } 721 722 urb_context->skb = skb; 723 724 data = skb->data; 725 len = skb->len; 726 727 urb = usb_alloc_urb(0, GFP_ATOMIC); 728 if (urb == NULL) { 729 status = -ENOMEM; 730 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 731 urb_context); 732 goto fail_hif_send; 733 } 734 735 usb_fill_bulk_urb(urb, 736 device->udev, 737 pipe->usb_pipe_handle, 738 data, 739 len, 740 ath6kl_usb_usb_transmit_complete, urb_context); 741 742 if ((len % pipe->max_packet_size) == 0) { 743 /* hit a max packet boundary on this pipe */ 744 urb->transfer_flags |= URB_ZERO_PACKET; 745 } 746 747 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 748 "athusb bulk send submit:%d, 0x%X (ep:0x%2.2X), %d bytes\n", 749 pipe->logical_pipe_num, pipe->usb_pipe_handle, 750 pipe->ep_address, len); 751 752 usb_anchor_urb(urb, &pipe->urb_submitted); 753 usb_status = usb_submit_urb(urb, GFP_ATOMIC); 754 755 if (usb_status) { 756 ath6kl_dbg(ATH6KL_DBG_USB_BULK, 757 "ath6kl usb : usb bulk transmit failed %d\n", 758 usb_status); 759 usb_unanchor_urb(urb); 760 ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 761 urb_context); 762 status = -EINVAL; 763 } 764 usb_free_urb(urb); 765 766 fail_hif_send: 767 return status; 768 } 769 770 static void hif_stop(struct ath6kl *ar) 771 { 772 struct ath6kl_usb *device = ath6kl_usb_priv(ar); 773 774 ath6kl_usb_flush_all(device); 775 } 776 777 static void ath6kl_usb_get_default_pipe(struct ath6kl *ar, 778 u8 *ul_pipe, u8 *dl_pipe) 779 { 780 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 781 *dl_pipe = ATH6KL_USB_PIPE_RX_CTRL; 782 } 783 784 static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id, 785 u8 *ul_pipe, u8 *dl_pipe) 786 { 787 int status = 0; 788 789 switch (svc_id) { 790 case HTC_CTRL_RSVD_SVC: 791 case WMI_CONTROL_SVC: 792 *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 793 /* due to large control packets, shift to data pipe */ 794 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 795 break; 796 case WMI_DATA_BE_SVC: 797 case WMI_DATA_BK_SVC: 798 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 799 /* 800 * Disable rxdata2 directly, it will be enabled 801 * if FW enable rxdata2 802 */ 803 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 804 break; 805 case WMI_DATA_VI_SVC: 806 807 if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT) 808 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 809 else 810 *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 811 /* 812 * Disable rxdata2 directly, it will be enabled 813 * if FW enable rxdata2 814 */ 815 *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 816 break; 817 case WMI_DATA_VO_SVC: 818 819 if (ar->hw.flags & ATH6KL_HW_MAP_LP_ENDPOINT) 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 static int ath6kl_usb_pm_reset_resume(struct usb_interface *intf) 1197 { 1198 if (usb_get_intfdata(intf)) 1199 ath6kl_usb_remove(intf); 1200 return 0; 1201 } 1202 1203 #else 1204 1205 #define ath6kl_usb_pm_suspend NULL 1206 #define ath6kl_usb_pm_resume NULL 1207 #define ath6kl_usb_pm_reset_resume NULL 1208 1209 #endif 1210 1211 /* table of devices that work with this driver */ 1212 static struct usb_device_id ath6kl_usb_ids[] = { 1213 {USB_DEVICE(0x0cf3, 0x9374)}, 1214 { /* Terminating entry */ }, 1215 }; 1216 1217 MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids); 1218 1219 static struct usb_driver ath6kl_usb_driver = { 1220 .name = "ath6kl_usb", 1221 .probe = ath6kl_usb_probe, 1222 .suspend = ath6kl_usb_pm_suspend, 1223 .resume = ath6kl_usb_pm_resume, 1224 .reset_resume = ath6kl_usb_pm_reset_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 static int ath6kl_usb_init(void) 1232 { 1233 int ret; 1234 1235 ret = usb_register(&ath6kl_usb_driver); 1236 if (ret) { 1237 ath6kl_err("usb registration failed: %d\n", ret); 1238 return ret; 1239 } 1240 1241 return 0; 1242 } 1243 1244 static void ath6kl_usb_exit(void) 1245 { 1246 usb_deregister(&ath6kl_usb_driver); 1247 } 1248 1249 module_init(ath6kl_usb_init); 1250 module_exit(ath6kl_usb_exit); 1251 1252 MODULE_AUTHOR("Atheros Communications, Inc."); 1253 MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices"); 1254 MODULE_LICENSE("Dual BSD/GPL"); 1255 MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE); 1256 MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE); 1257 MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE); 1258 MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE); 1259 MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE); 1260 MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE); 1261 MODULE_FIRMWARE(AR6004_HW_1_2_FIRMWARE_FILE); 1262 MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE); 1263 MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE); 1264 MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE); 1265 MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE); 1266 MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE); 1267