1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de> 4 */ 5 6 #include <linux/slab.h> 7 #include <linux/usb.h> 8 #include <linux/usb/audio.h> 9 #include <linux/module.h> 10 #include <sound/core.h> 11 #include <sound/hwdep.h> 12 #include <sound/pcm.h> 13 #include <sound/initval.h> 14 #define MODNAME "US122L" 15 #include "usb_stream.c" 16 #include "../usbaudio.h" 17 #include "../midi.h" 18 #include "us122l.h" 19 20 MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>"); 21 MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5"); 22 MODULE_LICENSE("GPL"); 23 24 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ 25 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ 26 /* Enable this card */ 27 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 28 29 module_param_array(index, int, NULL, 0444); 30 MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); 31 module_param_array(id, charp, NULL, 0444); 32 MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); 33 module_param_array(enable, bool, NULL, 0444); 34 MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); 35 36 /* driver_info flags */ 37 #define US122L_FLAG_US144 BIT(0) 38 39 static int snd_us122l_card_used[SNDRV_CARDS]; 40 41 static int us122l_create_usbmidi(struct snd_card *card) 42 { 43 static struct snd_usb_midi_endpoint_info quirk_data = { 44 .out_ep = 4, 45 .in_ep = 3, 46 .out_cables = 0x001, 47 .in_cables = 0x001 48 }; 49 static struct snd_usb_audio_quirk quirk = { 50 .vendor_name = "US122L", 51 .product_name = NAME_ALLCAPS, 52 .ifnum = 1, 53 .type = QUIRK_MIDI_US122L, 54 .data = &quirk_data 55 }; 56 struct usb_device *dev = US122L(card)->dev; 57 struct usb_interface *iface = usb_ifnum_to_if(dev, 1); 58 59 return snd_usbmidi_create(card, iface, 60 &US122L(card)->midi_list, &quirk); 61 } 62 63 static int us144_create_usbmidi(struct snd_card *card) 64 { 65 static struct snd_usb_midi_endpoint_info quirk_data = { 66 .out_ep = 4, 67 .in_ep = 3, 68 .out_cables = 0x001, 69 .in_cables = 0x001 70 }; 71 static struct snd_usb_audio_quirk quirk = { 72 .vendor_name = "US144", 73 .product_name = NAME_ALLCAPS, 74 .ifnum = 0, 75 .type = QUIRK_MIDI_US122L, 76 .data = &quirk_data 77 }; 78 struct usb_device *dev = US122L(card)->dev; 79 struct usb_interface *iface = usb_ifnum_to_if(dev, 0); 80 81 return snd_usbmidi_create(card, iface, 82 &US122L(card)->midi_list, &quirk); 83 } 84 85 /* 86 * Wrapper for usb_control_msg(). 87 * Allocates a temp buffer to prevent dmaing from/to the stack. 88 */ 89 static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe, 90 __u8 request, __u8 requesttype, 91 __u16 value, __u16 index, void *data, 92 __u16 size, int timeout) 93 { 94 int err; 95 void *buf = NULL; 96 97 if (size > 0) { 98 buf = kmemdup(data, size, GFP_KERNEL); 99 if (!buf) 100 return -ENOMEM; 101 } 102 err = usb_control_msg(dev, pipe, request, requesttype, 103 value, index, buf, size, timeout); 104 if (size > 0) { 105 memcpy(data, buf, size); 106 kfree(buf); 107 } 108 return err; 109 } 110 111 static void pt_info_set(struct usb_device *dev, u8 v) 112 { 113 int ret; 114 115 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 116 'I', 117 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 118 v, 0, NULL, 0, 1000); 119 snd_printdd(KERN_DEBUG "%i\n", ret); 120 } 121 122 static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) 123 { 124 struct us122l *us122l = area->vm_private_data; 125 atomic_inc(&us122l->mmap_count); 126 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); 127 } 128 129 static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf) 130 { 131 unsigned long offset; 132 struct page *page; 133 void *vaddr; 134 struct us122l *us122l = vmf->vma->vm_private_data; 135 struct usb_stream *s; 136 137 mutex_lock(&us122l->mutex); 138 s = us122l->sk.s; 139 if (!s) 140 goto unlock; 141 142 offset = vmf->pgoff << PAGE_SHIFT; 143 if (offset < PAGE_ALIGN(s->read_size)) 144 vaddr = (char *)s + offset; 145 else { 146 offset -= PAGE_ALIGN(s->read_size); 147 if (offset >= PAGE_ALIGN(s->write_size)) 148 goto unlock; 149 150 vaddr = us122l->sk.write_page + offset; 151 } 152 page = virt_to_page(vaddr); 153 154 get_page(page); 155 mutex_unlock(&us122l->mutex); 156 157 vmf->page = page; 158 159 return 0; 160 unlock: 161 mutex_unlock(&us122l->mutex); 162 return VM_FAULT_SIGBUS; 163 } 164 165 static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) 166 { 167 struct us122l *us122l = area->vm_private_data; 168 atomic_dec(&us122l->mmap_count); 169 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); 170 } 171 172 static const struct vm_operations_struct usb_stream_hwdep_vm_ops = { 173 .open = usb_stream_hwdep_vm_open, 174 .fault = usb_stream_hwdep_vm_fault, 175 .close = usb_stream_hwdep_vm_close, 176 }; 177 178 179 static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) 180 { 181 struct us122l *us122l = hw->private_data; 182 struct usb_interface *iface; 183 snd_printdd(KERN_DEBUG "%p %p\n", hw, file); 184 if (hw->used >= 2) 185 return -EBUSY; 186 187 if (!us122l->first) 188 us122l->first = file; 189 190 if (us122l->is_us144) { 191 iface = usb_ifnum_to_if(us122l->dev, 0); 192 usb_autopm_get_interface(iface); 193 } 194 iface = usb_ifnum_to_if(us122l->dev, 1); 195 usb_autopm_get_interface(iface); 196 return 0; 197 } 198 199 static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) 200 { 201 struct us122l *us122l = hw->private_data; 202 struct usb_interface *iface; 203 snd_printdd(KERN_DEBUG "%p %p\n", hw, file); 204 205 if (us122l->is_us144) { 206 iface = usb_ifnum_to_if(us122l->dev, 0); 207 usb_autopm_put_interface(iface); 208 } 209 iface = usb_ifnum_to_if(us122l->dev, 1); 210 usb_autopm_put_interface(iface); 211 if (us122l->first == file) 212 us122l->first = NULL; 213 mutex_lock(&us122l->mutex); 214 if (us122l->master == file) 215 us122l->master = us122l->slave; 216 217 us122l->slave = NULL; 218 mutex_unlock(&us122l->mutex); 219 return 0; 220 } 221 222 static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, 223 struct file *filp, struct vm_area_struct *area) 224 { 225 unsigned long size = area->vm_end - area->vm_start; 226 struct us122l *us122l = hw->private_data; 227 unsigned long offset; 228 struct usb_stream *s; 229 int err = 0; 230 bool read; 231 232 offset = area->vm_pgoff << PAGE_SHIFT; 233 mutex_lock(&us122l->mutex); 234 s = us122l->sk.s; 235 read = offset < s->read_size; 236 if (read && area->vm_flags & VM_WRITE) { 237 err = -EPERM; 238 goto out; 239 } 240 snd_printdd(KERN_DEBUG "%lu %u\n", size, 241 read ? s->read_size : s->write_size); 242 /* if userspace tries to mmap beyond end of our buffer, fail */ 243 if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) { 244 snd_printk(KERN_WARNING "%lu > %u\n", size, 245 read ? s->read_size : s->write_size); 246 err = -EINVAL; 247 goto out; 248 } 249 250 area->vm_ops = &usb_stream_hwdep_vm_ops; 251 area->vm_flags |= VM_DONTDUMP; 252 if (!read) 253 area->vm_flags |= VM_DONTEXPAND; 254 area->vm_private_data = us122l; 255 atomic_inc(&us122l->mmap_count); 256 out: 257 mutex_unlock(&us122l->mutex); 258 return err; 259 } 260 261 static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw, 262 struct file *file, poll_table *wait) 263 { 264 struct us122l *us122l = hw->private_data; 265 unsigned *polled; 266 __poll_t mask; 267 268 poll_wait(file, &us122l->sk.sleep, wait); 269 270 mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM | EPOLLERR; 271 if (mutex_trylock(&us122l->mutex)) { 272 struct usb_stream *s = us122l->sk.s; 273 if (s && s->state == usb_stream_ready) { 274 if (us122l->first == file) 275 polled = &s->periods_polled; 276 else 277 polled = &us122l->second_periods_polled; 278 if (*polled != s->periods_done) { 279 *polled = s->periods_done; 280 mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM; 281 } else 282 mask = 0; 283 } 284 mutex_unlock(&us122l->mutex); 285 } 286 return mask; 287 } 288 289 static void us122l_stop(struct us122l *us122l) 290 { 291 struct list_head *p; 292 list_for_each(p, &us122l->midi_list) 293 snd_usbmidi_input_stop(p); 294 295 usb_stream_stop(&us122l->sk); 296 usb_stream_free(&us122l->sk); 297 } 298 299 static int us122l_set_sample_rate(struct usb_device *dev, int rate) 300 { 301 unsigned int ep = 0x81; 302 unsigned char data[3]; 303 int err; 304 305 data[0] = rate; 306 data[1] = rate >> 8; 307 data[2] = rate >> 16; 308 err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 309 USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, 310 UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000); 311 if (err < 0) 312 snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", 313 dev->devnum, rate, ep); 314 return err; 315 } 316 317 static bool us122l_start(struct us122l *us122l, 318 unsigned rate, unsigned period_frames) 319 { 320 struct list_head *p; 321 int err; 322 unsigned use_packsize = 0; 323 bool success = false; 324 325 if (us122l->dev->speed == USB_SPEED_HIGH) { 326 /* The us-122l's descriptor defaults to iso max_packsize 78, 327 which isn't needed for samplerates <= 48000. 328 Lets save some memory: 329 */ 330 switch (rate) { 331 case 44100: 332 use_packsize = 36; 333 break; 334 case 48000: 335 use_packsize = 42; 336 break; 337 case 88200: 338 use_packsize = 72; 339 break; 340 } 341 } 342 if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2, 343 rate, use_packsize, period_frames, 6)) 344 goto out; 345 346 err = us122l_set_sample_rate(us122l->dev, rate); 347 if (err < 0) { 348 us122l_stop(us122l); 349 snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); 350 goto out; 351 } 352 err = usb_stream_start(&us122l->sk); 353 if (err < 0) { 354 us122l_stop(us122l); 355 snd_printk(KERN_ERR "us122l_start error %i \n", err); 356 goto out; 357 } 358 list_for_each(p, &us122l->midi_list) 359 snd_usbmidi_input_start(p); 360 success = true; 361 out: 362 return success; 363 } 364 365 static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, 366 unsigned cmd, unsigned long arg) 367 { 368 struct usb_stream_config cfg; 369 struct us122l *us122l = hw->private_data; 370 struct usb_stream *s; 371 unsigned min_period_frames; 372 int err = 0; 373 bool high_speed; 374 375 if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) 376 return -ENOTTY; 377 378 if (copy_from_user(&cfg, (void __user *)arg, sizeof(cfg))) 379 return -EFAULT; 380 381 if (cfg.version != USB_STREAM_INTERFACE_VERSION) 382 return -ENXIO; 383 384 high_speed = us122l->dev->speed == USB_SPEED_HIGH; 385 if ((cfg.sample_rate != 44100 && cfg.sample_rate != 48000 && 386 (!high_speed || 387 (cfg.sample_rate != 88200 && cfg.sample_rate != 96000))) || 388 cfg.frame_size != 6 || 389 cfg.period_frames > 0x3000) 390 return -EINVAL; 391 392 switch (cfg.sample_rate) { 393 case 44100: 394 min_period_frames = 48; 395 break; 396 case 48000: 397 min_period_frames = 52; 398 break; 399 default: 400 min_period_frames = 104; 401 break; 402 } 403 if (!high_speed) 404 min_period_frames <<= 1; 405 if (cfg.period_frames < min_period_frames) 406 return -EINVAL; 407 408 snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); 409 410 mutex_lock(&us122l->mutex); 411 s = us122l->sk.s; 412 if (!us122l->master) 413 us122l->master = file; 414 else if (us122l->master != file) { 415 if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg))) { 416 err = -EIO; 417 goto unlock; 418 } 419 us122l->slave = file; 420 } 421 if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg)) || 422 s->state == usb_stream_xrun) { 423 us122l_stop(us122l); 424 if (!us122l_start(us122l, cfg.sample_rate, cfg.period_frames)) 425 err = -EIO; 426 else 427 err = 1; 428 } 429 unlock: 430 mutex_unlock(&us122l->mutex); 431 wake_up_all(&us122l->sk.sleep); 432 return err; 433 } 434 435 #define SND_USB_STREAM_ID "USB STREAM" 436 static int usb_stream_hwdep_new(struct snd_card *card) 437 { 438 int err; 439 struct snd_hwdep *hw; 440 struct usb_device *dev = US122L(card)->dev; 441 442 err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw); 443 if (err < 0) 444 return err; 445 446 hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM; 447 hw->private_data = US122L(card); 448 hw->ops.open = usb_stream_hwdep_open; 449 hw->ops.release = usb_stream_hwdep_release; 450 hw->ops.ioctl = usb_stream_hwdep_ioctl; 451 hw->ops.ioctl_compat = usb_stream_hwdep_ioctl; 452 hw->ops.mmap = usb_stream_hwdep_mmap; 453 hw->ops.poll = usb_stream_hwdep_poll; 454 455 sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", 456 dev->bus->busnum, dev->devnum); 457 return 0; 458 } 459 460 461 static bool us122l_create_card(struct snd_card *card) 462 { 463 int err; 464 struct us122l *us122l = US122L(card); 465 466 if (us122l->is_us144) { 467 err = usb_set_interface(us122l->dev, 0, 1); 468 if (err) { 469 snd_printk(KERN_ERR "usb_set_interface error \n"); 470 return false; 471 } 472 } 473 err = usb_set_interface(us122l->dev, 1, 1); 474 if (err) { 475 snd_printk(KERN_ERR "usb_set_interface error \n"); 476 return false; 477 } 478 479 pt_info_set(us122l->dev, 0x11); 480 pt_info_set(us122l->dev, 0x10); 481 482 if (!us122l_start(us122l, 44100, 256)) 483 return false; 484 485 if (us122l->is_us144) 486 err = us144_create_usbmidi(card); 487 else 488 err = us122l_create_usbmidi(card); 489 if (err < 0) { 490 snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); 491 goto stop; 492 } 493 err = usb_stream_hwdep_new(card); 494 if (err < 0) { 495 /* release the midi resources */ 496 struct list_head *p; 497 list_for_each(p, &us122l->midi_list) 498 snd_usbmidi_disconnect(p); 499 500 goto stop; 501 } 502 return true; 503 504 stop: 505 us122l_stop(us122l); 506 return false; 507 } 508 509 static void snd_us122l_free(struct snd_card *card) 510 { 511 struct us122l *us122l = US122L(card); 512 int index = us122l->card_index; 513 if (index >= 0 && index < SNDRV_CARDS) 514 snd_us122l_card_used[index] = 0; 515 } 516 517 static int usx2y_create_card(struct usb_device *device, 518 struct usb_interface *intf, 519 struct snd_card **cardp, 520 unsigned long flags) 521 { 522 int dev; 523 struct snd_card *card; 524 int err; 525 526 for (dev = 0; dev < SNDRV_CARDS; ++dev) 527 if (enable[dev] && !snd_us122l_card_used[dev]) 528 break; 529 if (dev >= SNDRV_CARDS) 530 return -ENODEV; 531 err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE, 532 sizeof(struct us122l), &card); 533 if (err < 0) 534 return err; 535 snd_us122l_card_used[US122L(card)->card_index = dev] = 1; 536 card->private_free = snd_us122l_free; 537 US122L(card)->dev = device; 538 mutex_init(&US122L(card)->mutex); 539 init_waitqueue_head(&US122L(card)->sk.sleep); 540 US122L(card)->is_us144 = flags & US122L_FLAG_US144; 541 INIT_LIST_HEAD(&US122L(card)->midi_list); 542 strcpy(card->driver, "USB "NAME_ALLCAPS""); 543 sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); 544 sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", 545 card->shortname, 546 le16_to_cpu(device->descriptor.idVendor), 547 le16_to_cpu(device->descriptor.idProduct), 548 0, 549 US122L(card)->dev->bus->busnum, 550 US122L(card)->dev->devnum 551 ); 552 *cardp = card; 553 return 0; 554 } 555 556 static int us122l_usb_probe(struct usb_interface *intf, 557 const struct usb_device_id *device_id, 558 struct snd_card **cardp) 559 { 560 struct usb_device *device = interface_to_usbdev(intf); 561 struct snd_card *card; 562 int err; 563 564 err = usx2y_create_card(device, intf, &card, device_id->driver_info); 565 if (err < 0) 566 return err; 567 568 if (!us122l_create_card(card)) { 569 snd_card_free(card); 570 return -EINVAL; 571 } 572 573 err = snd_card_register(card); 574 if (err < 0) { 575 snd_card_free(card); 576 return err; 577 } 578 579 usb_get_intf(usb_ifnum_to_if(device, 0)); 580 usb_get_dev(device); 581 *cardp = card; 582 return 0; 583 } 584 585 static int snd_us122l_probe(struct usb_interface *intf, 586 const struct usb_device_id *id) 587 { 588 struct usb_device *device = interface_to_usbdev(intf); 589 struct snd_card *card; 590 int err; 591 592 if (id->driver_info & US122L_FLAG_US144 && 593 device->speed == USB_SPEED_HIGH) { 594 snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n"); 595 return -ENODEV; 596 } 597 598 snd_printdd(KERN_DEBUG"%p:%i\n", 599 intf, intf->cur_altsetting->desc.bInterfaceNumber); 600 if (intf->cur_altsetting->desc.bInterfaceNumber != 1) 601 return 0; 602 603 err = us122l_usb_probe(usb_get_intf(intf), id, &card); 604 if (err < 0) { 605 usb_put_intf(intf); 606 return err; 607 } 608 609 usb_set_intfdata(intf, card); 610 return 0; 611 } 612 613 static void snd_us122l_disconnect(struct usb_interface *intf) 614 { 615 struct snd_card *card; 616 struct us122l *us122l; 617 struct list_head *p; 618 619 card = usb_get_intfdata(intf); 620 if (!card) 621 return; 622 623 snd_card_disconnect(card); 624 625 us122l = US122L(card); 626 mutex_lock(&us122l->mutex); 627 us122l_stop(us122l); 628 mutex_unlock(&us122l->mutex); 629 630 /* release the midi resources */ 631 list_for_each(p, &us122l->midi_list) { 632 snd_usbmidi_disconnect(p); 633 } 634 635 usb_put_intf(usb_ifnum_to_if(us122l->dev, 0)); 636 usb_put_intf(usb_ifnum_to_if(us122l->dev, 1)); 637 usb_put_dev(us122l->dev); 638 639 while (atomic_read(&us122l->mmap_count)) 640 msleep(500); 641 642 snd_card_free(card); 643 } 644 645 static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) 646 { 647 struct snd_card *card; 648 struct us122l *us122l; 649 struct list_head *p; 650 651 card = usb_get_intfdata(intf); 652 if (!card) 653 return 0; 654 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 655 656 us122l = US122L(card); 657 if (!us122l) 658 return 0; 659 660 list_for_each(p, &us122l->midi_list) 661 snd_usbmidi_input_stop(p); 662 663 mutex_lock(&us122l->mutex); 664 usb_stream_stop(&us122l->sk); 665 mutex_unlock(&us122l->mutex); 666 667 return 0; 668 } 669 670 static int snd_us122l_resume(struct usb_interface *intf) 671 { 672 struct snd_card *card; 673 struct us122l *us122l; 674 struct list_head *p; 675 int err; 676 677 card = usb_get_intfdata(intf); 678 if (!card) 679 return 0; 680 681 us122l = US122L(card); 682 if (!us122l) 683 return 0; 684 685 mutex_lock(&us122l->mutex); 686 /* needed, doesn't restart without: */ 687 if (us122l->is_us144) { 688 err = usb_set_interface(us122l->dev, 0, 1); 689 if (err) { 690 snd_printk(KERN_ERR "usb_set_interface error \n"); 691 goto unlock; 692 } 693 } 694 err = usb_set_interface(us122l->dev, 1, 1); 695 if (err) { 696 snd_printk(KERN_ERR "usb_set_interface error \n"); 697 goto unlock; 698 } 699 700 pt_info_set(us122l->dev, 0x11); 701 pt_info_set(us122l->dev, 0x10); 702 703 err = us122l_set_sample_rate(us122l->dev, 704 us122l->sk.s->cfg.sample_rate); 705 if (err < 0) { 706 snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); 707 goto unlock; 708 } 709 err = usb_stream_start(&us122l->sk); 710 if (err) 711 goto unlock; 712 713 list_for_each(p, &us122l->midi_list) 714 snd_usbmidi_input_start(p); 715 unlock: 716 mutex_unlock(&us122l->mutex); 717 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 718 return err; 719 } 720 721 static const struct usb_device_id snd_us122l_usb_id_table[] = { 722 { 723 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 724 .idVendor = 0x0644, 725 .idProduct = USB_ID_US122L 726 }, 727 { /* US-144 only works at USB1.1! Disable module ehci-hcd. */ 728 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 729 .idVendor = 0x0644, 730 .idProduct = USB_ID_US144, 731 .driver_info = US122L_FLAG_US144 732 }, 733 { 734 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 735 .idVendor = 0x0644, 736 .idProduct = USB_ID_US122MKII 737 }, 738 { 739 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 740 .idVendor = 0x0644, 741 .idProduct = USB_ID_US144MKII, 742 .driver_info = US122L_FLAG_US144 743 }, 744 { /* terminator */ } 745 }; 746 747 MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); 748 static struct usb_driver snd_us122l_usb_driver = { 749 .name = "snd-usb-us122l", 750 .probe = snd_us122l_probe, 751 .disconnect = snd_us122l_disconnect, 752 .suspend = snd_us122l_suspend, 753 .resume = snd_us122l_resume, 754 .reset_resume = snd_us122l_resume, 755 .id_table = snd_us122l_usb_id_table, 756 .supports_autosuspend = 1 757 }; 758 759 module_usb_driver(snd_us122l_usb_driver); 760