1 /* 2 * Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de> 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License as published by the 6 * Free Software Foundation; either version 2 of the License, or (at your 7 * option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 11 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software Foundation, 16 * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 */ 18 19 #include <sound/core.h> 20 #include <sound/hwdep.h> 21 #include <sound/pcm.h> 22 #include <sound/initval.h> 23 #define MODNAME "US122L" 24 #include "usb_stream.c" 25 #include "../usbaudio.h" 26 #include "us122l.h" 27 28 MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>"); 29 MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5"); 30 MODULE_LICENSE("GPL"); 31 32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ 33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ 34 /* Enable this card */ 35 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 36 37 module_param_array(index, int, NULL, 0444); 38 MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); 39 module_param_array(id, charp, NULL, 0444); 40 MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); 41 module_param_array(enable, bool, NULL, 0444); 42 MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); 43 44 static int snd_us122l_card_used[SNDRV_CARDS]; 45 46 47 static int us122l_create_usbmidi(struct snd_card *card) 48 { 49 static struct snd_usb_midi_endpoint_info quirk_data = { 50 .out_ep = 4, 51 .in_ep = 3, 52 .out_cables = 0x001, 53 .in_cables = 0x001 54 }; 55 static struct snd_usb_audio_quirk quirk = { 56 .vendor_name = "US122L", 57 .product_name = NAME_ALLCAPS, 58 .ifnum = 1, 59 .type = QUIRK_MIDI_US122L, 60 .data = &quirk_data 61 }; 62 struct usb_device *dev = US122L(card)->dev; 63 struct usb_interface *iface = usb_ifnum_to_if(dev, 1); 64 65 return snd_usbmidi_create(card, iface, 66 &US122L(card)->midi_list, &quirk); 67 } 68 69 static int us144_create_usbmidi(struct snd_card *card) 70 { 71 static struct snd_usb_midi_endpoint_info quirk_data = { 72 .out_ep = 4, 73 .in_ep = 3, 74 .out_cables = 0x001, 75 .in_cables = 0x001 76 }; 77 static struct snd_usb_audio_quirk quirk = { 78 .vendor_name = "US144", 79 .product_name = NAME_ALLCAPS, 80 .ifnum = 0, 81 .type = QUIRK_MIDI_US122L, 82 .data = &quirk_data 83 }; 84 struct usb_device *dev = US122L(card)->dev; 85 struct usb_interface *iface = usb_ifnum_to_if(dev, 0); 86 87 return snd_usbmidi_create(card, iface, 88 &US122L(card)->midi_list, &quirk); 89 } 90 91 /* 92 * Wrapper for usb_control_msg(). 93 * Allocates a temp buffer to prevent dmaing from/to the stack. 94 */ 95 static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe, 96 __u8 request, __u8 requesttype, 97 __u16 value, __u16 index, void *data, 98 __u16 size, int timeout) 99 { 100 int err; 101 void *buf = NULL; 102 103 if (size > 0) { 104 buf = kmemdup(data, size, GFP_KERNEL); 105 if (!buf) 106 return -ENOMEM; 107 } 108 err = usb_control_msg(dev, pipe, request, requesttype, 109 value, index, buf, size, timeout); 110 if (size > 0) { 111 memcpy(data, buf, size); 112 kfree(buf); 113 } 114 return err; 115 } 116 117 static void pt_info_set(struct usb_device *dev, u8 v) 118 { 119 int ret; 120 121 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 122 'I', 123 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 124 v, 0, NULL, 0, 1000); 125 snd_printdd(KERN_DEBUG "%i\n", ret); 126 } 127 128 static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) 129 { 130 struct us122l *us122l = area->vm_private_data; 131 atomic_inc(&us122l->mmap_count); 132 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); 133 } 134 135 static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area, 136 struct vm_fault *vmf) 137 { 138 unsigned long offset; 139 struct page *page; 140 void *vaddr; 141 struct us122l *us122l = area->vm_private_data; 142 struct usb_stream *s; 143 144 mutex_lock(&us122l->mutex); 145 s = us122l->sk.s; 146 if (!s) 147 goto unlock; 148 149 offset = vmf->pgoff << PAGE_SHIFT; 150 if (offset < PAGE_ALIGN(s->read_size)) 151 vaddr = (char *)s + offset; 152 else { 153 offset -= PAGE_ALIGN(s->read_size); 154 if (offset >= PAGE_ALIGN(s->write_size)) 155 goto unlock; 156 157 vaddr = us122l->sk.write_page + offset; 158 } 159 page = virt_to_page(vaddr); 160 161 get_page(page); 162 mutex_unlock(&us122l->mutex); 163 164 vmf->page = page; 165 166 return 0; 167 unlock: 168 mutex_unlock(&us122l->mutex); 169 return VM_FAULT_SIGBUS; 170 } 171 172 static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) 173 { 174 struct us122l *us122l = area->vm_private_data; 175 atomic_dec(&us122l->mmap_count); 176 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); 177 } 178 179 static const struct vm_operations_struct usb_stream_hwdep_vm_ops = { 180 .open = usb_stream_hwdep_vm_open, 181 .fault = usb_stream_hwdep_vm_fault, 182 .close = usb_stream_hwdep_vm_close, 183 }; 184 185 186 static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) 187 { 188 struct us122l *us122l = hw->private_data; 189 struct usb_interface *iface; 190 snd_printdd(KERN_DEBUG "%p %p\n", hw, file); 191 if (hw->used >= 2) 192 return -EBUSY; 193 194 if (!us122l->first) 195 us122l->first = file; 196 197 if (us122l->dev->descriptor.idProduct == USB_ID_US144 || 198 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { 199 iface = usb_ifnum_to_if(us122l->dev, 0); 200 usb_autopm_get_interface(iface); 201 } 202 iface = usb_ifnum_to_if(us122l->dev, 1); 203 usb_autopm_get_interface(iface); 204 return 0; 205 } 206 207 static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) 208 { 209 struct us122l *us122l = hw->private_data; 210 struct usb_interface *iface; 211 snd_printdd(KERN_DEBUG "%p %p\n", hw, file); 212 213 if (us122l->dev->descriptor.idProduct == USB_ID_US144 || 214 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { 215 iface = usb_ifnum_to_if(us122l->dev, 0); 216 usb_autopm_put_interface(iface); 217 } 218 iface = usb_ifnum_to_if(us122l->dev, 1); 219 usb_autopm_put_interface(iface); 220 if (us122l->first == file) 221 us122l->first = NULL; 222 mutex_lock(&us122l->mutex); 223 if (us122l->master == file) 224 us122l->master = us122l->slave; 225 226 us122l->slave = NULL; 227 mutex_unlock(&us122l->mutex); 228 return 0; 229 } 230 231 static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, 232 struct file *filp, struct vm_area_struct *area) 233 { 234 unsigned long size = area->vm_end - area->vm_start; 235 struct us122l *us122l = hw->private_data; 236 unsigned long offset; 237 struct usb_stream *s; 238 int err = 0; 239 bool read; 240 241 offset = area->vm_pgoff << PAGE_SHIFT; 242 mutex_lock(&us122l->mutex); 243 s = us122l->sk.s; 244 read = offset < s->read_size; 245 if (read && area->vm_flags & VM_WRITE) { 246 err = -EPERM; 247 goto out; 248 } 249 snd_printdd(KERN_DEBUG "%lu %u\n", size, 250 read ? s->read_size : s->write_size); 251 /* if userspace tries to mmap beyond end of our buffer, fail */ 252 if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) { 253 snd_printk(KERN_WARNING "%lu > %u\n", size, 254 read ? s->read_size : s->write_size); 255 err = -EINVAL; 256 goto out; 257 } 258 259 area->vm_ops = &usb_stream_hwdep_vm_ops; 260 area->vm_flags |= VM_RESERVED; 261 area->vm_private_data = us122l; 262 atomic_inc(&us122l->mmap_count); 263 out: 264 mutex_unlock(&us122l->mutex); 265 return err; 266 } 267 268 static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw, 269 struct file *file, poll_table *wait) 270 { 271 struct us122l *us122l = hw->private_data; 272 struct usb_stream *s = us122l->sk.s; 273 unsigned *polled; 274 unsigned int mask; 275 276 poll_wait(file, &us122l->sk.sleep, wait); 277 278 switch (s->state) { 279 case usb_stream_ready: 280 if (us122l->first == file) 281 polled = &s->periods_polled; 282 else 283 polled = &us122l->second_periods_polled; 284 if (*polled != s->periods_done) { 285 *polled = s->periods_done; 286 mask = POLLIN | POLLOUT | POLLWRNORM; 287 break; 288 } 289 /* Fall through */ 290 mask = 0; 291 break; 292 default: 293 mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR; 294 break; 295 } 296 return mask; 297 } 298 299 static void us122l_stop(struct us122l *us122l) 300 { 301 struct list_head *p; 302 list_for_each(p, &us122l->midi_list) 303 snd_usbmidi_input_stop(p); 304 305 usb_stream_stop(&us122l->sk); 306 usb_stream_free(&us122l->sk); 307 } 308 309 static int us122l_set_sample_rate(struct usb_device *dev, int rate) 310 { 311 unsigned int ep = 0x81; 312 unsigned char data[3]; 313 int err; 314 315 data[0] = rate; 316 data[1] = rate >> 8; 317 data[2] = rate >> 16; 318 err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR, 319 USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, 320 SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000); 321 if (err < 0) 322 snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", 323 dev->devnum, rate, ep); 324 return err; 325 } 326 327 static bool us122l_start(struct us122l *us122l, 328 unsigned rate, unsigned period_frames) 329 { 330 struct list_head *p; 331 int err; 332 unsigned use_packsize = 0; 333 bool success = false; 334 335 if (us122l->dev->speed == USB_SPEED_HIGH) { 336 /* The us-122l's descriptor defaults to iso max_packsize 78, 337 which isn't needed for samplerates <= 48000. 338 Lets save some memory: 339 */ 340 switch (rate) { 341 case 44100: 342 use_packsize = 36; 343 break; 344 case 48000: 345 use_packsize = 42; 346 break; 347 case 88200: 348 use_packsize = 72; 349 break; 350 } 351 } 352 if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2, 353 rate, use_packsize, period_frames, 6)) 354 goto out; 355 356 err = us122l_set_sample_rate(us122l->dev, rate); 357 if (err < 0) { 358 us122l_stop(us122l); 359 snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); 360 goto out; 361 } 362 err = usb_stream_start(&us122l->sk); 363 if (err < 0) { 364 us122l_stop(us122l); 365 snd_printk(KERN_ERR "us122l_start error %i \n", err); 366 goto out; 367 } 368 list_for_each(p, &us122l->midi_list) 369 snd_usbmidi_input_start(p); 370 success = true; 371 out: 372 return success; 373 } 374 375 static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, 376 unsigned cmd, unsigned long arg) 377 { 378 struct usb_stream_config *cfg; 379 struct us122l *us122l = hw->private_data; 380 unsigned min_period_frames; 381 int err = 0; 382 bool high_speed; 383 384 if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) 385 return -ENOTTY; 386 387 cfg = memdup_user((void *)arg, sizeof(*cfg)); 388 if (IS_ERR(cfg)) 389 return PTR_ERR(cfg); 390 391 if (cfg->version != USB_STREAM_INTERFACE_VERSION) { 392 err = -ENXIO; 393 goto free; 394 } 395 high_speed = us122l->dev->speed == USB_SPEED_HIGH; 396 if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 && 397 (!high_speed || 398 (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) || 399 cfg->frame_size != 6 || 400 cfg->period_frames > 0x3000) { 401 err = -EINVAL; 402 goto free; 403 } 404 switch (cfg->sample_rate) { 405 case 44100: 406 min_period_frames = 48; 407 break; 408 case 48000: 409 min_period_frames = 52; 410 break; 411 default: 412 min_period_frames = 104; 413 break; 414 } 415 if (!high_speed) 416 min_period_frames <<= 1; 417 if (cfg->period_frames < min_period_frames) { 418 err = -EINVAL; 419 goto free; 420 } 421 422 snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); 423 424 mutex_lock(&us122l->mutex); 425 if (!us122l->master) 426 us122l->master = file; 427 else if (us122l->master != file) { 428 if (memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg))) { 429 err = -EIO; 430 goto unlock; 431 } 432 us122l->slave = file; 433 } 434 if (!us122l->sk.s || 435 memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg)) || 436 us122l->sk.s->state == usb_stream_xrun) { 437 us122l_stop(us122l); 438 if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames)) 439 err = -EIO; 440 else 441 err = 1; 442 } 443 unlock: 444 mutex_unlock(&us122l->mutex); 445 free: 446 kfree(cfg); 447 return err; 448 } 449 450 #define SND_USB_STREAM_ID "USB STREAM" 451 static int usb_stream_hwdep_new(struct snd_card *card) 452 { 453 int err; 454 struct snd_hwdep *hw; 455 struct usb_device *dev = US122L(card)->dev; 456 457 err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw); 458 if (err < 0) 459 return err; 460 461 hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM; 462 hw->private_data = US122L(card); 463 hw->ops.open = usb_stream_hwdep_open; 464 hw->ops.release = usb_stream_hwdep_release; 465 hw->ops.ioctl = usb_stream_hwdep_ioctl; 466 hw->ops.ioctl_compat = usb_stream_hwdep_ioctl; 467 hw->ops.mmap = usb_stream_hwdep_mmap; 468 hw->ops.poll = usb_stream_hwdep_poll; 469 470 sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", 471 dev->bus->busnum, dev->devnum); 472 return 0; 473 } 474 475 476 static bool us122l_create_card(struct snd_card *card) 477 { 478 int err; 479 struct us122l *us122l = US122L(card); 480 481 if (us122l->dev->descriptor.idProduct == USB_ID_US144 || 482 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { 483 err = usb_set_interface(us122l->dev, 0, 1); 484 if (err) { 485 snd_printk(KERN_ERR "usb_set_interface error \n"); 486 return false; 487 } 488 } 489 err = usb_set_interface(us122l->dev, 1, 1); 490 if (err) { 491 snd_printk(KERN_ERR "usb_set_interface error \n"); 492 return false; 493 } 494 495 pt_info_set(us122l->dev, 0x11); 496 pt_info_set(us122l->dev, 0x10); 497 498 if (!us122l_start(us122l, 44100, 256)) 499 return false; 500 501 if (us122l->dev->descriptor.idProduct == USB_ID_US144 || 502 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) 503 err = us144_create_usbmidi(card); 504 else 505 err = us122l_create_usbmidi(card); 506 if (err < 0) { 507 snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); 508 us122l_stop(us122l); 509 return false; 510 } 511 err = usb_stream_hwdep_new(card); 512 if (err < 0) { 513 /* release the midi resources */ 514 struct list_head *p; 515 list_for_each(p, &us122l->midi_list) 516 snd_usbmidi_disconnect(p); 517 518 us122l_stop(us122l); 519 return false; 520 } 521 return true; 522 } 523 524 static void snd_us122l_free(struct snd_card *card) 525 { 526 struct us122l *us122l = US122L(card); 527 int index = us122l->card_index; 528 if (index >= 0 && index < SNDRV_CARDS) 529 snd_us122l_card_used[index] = 0; 530 } 531 532 static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp) 533 { 534 int dev; 535 struct snd_card *card; 536 int err; 537 538 for (dev = 0; dev < SNDRV_CARDS; ++dev) 539 if (enable[dev] && !snd_us122l_card_used[dev]) 540 break; 541 if (dev >= SNDRV_CARDS) 542 return -ENODEV; 543 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 544 sizeof(struct us122l), &card); 545 if (err < 0) 546 return err; 547 snd_us122l_card_used[US122L(card)->card_index = dev] = 1; 548 card->private_free = snd_us122l_free; 549 US122L(card)->dev = device; 550 mutex_init(&US122L(card)->mutex); 551 init_waitqueue_head(&US122L(card)->sk.sleep); 552 INIT_LIST_HEAD(&US122L(card)->midi_list); 553 strcpy(card->driver, "USB "NAME_ALLCAPS""); 554 sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); 555 sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", 556 card->shortname, 557 le16_to_cpu(device->descriptor.idVendor), 558 le16_to_cpu(device->descriptor.idProduct), 559 0, 560 US122L(card)->dev->bus->busnum, 561 US122L(card)->dev->devnum 562 ); 563 *cardp = card; 564 return 0; 565 } 566 567 static int us122l_usb_probe(struct usb_interface *intf, 568 const struct usb_device_id *device_id, 569 struct snd_card **cardp) 570 { 571 struct usb_device *device = interface_to_usbdev(intf); 572 struct snd_card *card; 573 int err; 574 575 err = usx2y_create_card(device, &card); 576 if (err < 0) 577 return err; 578 579 snd_card_set_dev(card, &intf->dev); 580 if (!us122l_create_card(card)) { 581 snd_card_free(card); 582 return -EINVAL; 583 } 584 585 err = snd_card_register(card); 586 if (err < 0) { 587 snd_card_free(card); 588 return err; 589 } 590 591 usb_get_intf(usb_ifnum_to_if(device, 0)); 592 usb_get_dev(device); 593 *cardp = card; 594 return 0; 595 } 596 597 static int snd_us122l_probe(struct usb_interface *intf, 598 const struct usb_device_id *id) 599 { 600 struct usb_device *device = interface_to_usbdev(intf); 601 struct snd_card *card; 602 int err; 603 604 if ((device->descriptor.idProduct == USB_ID_US144 || 605 device->descriptor.idProduct == USB_ID_US144MKII) 606 && device->speed == USB_SPEED_HIGH) { 607 snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n"); 608 return -ENODEV; 609 } 610 611 snd_printdd(KERN_DEBUG"%p:%i\n", 612 intf, intf->cur_altsetting->desc.bInterfaceNumber); 613 if (intf->cur_altsetting->desc.bInterfaceNumber != 1) 614 return 0; 615 616 err = us122l_usb_probe(usb_get_intf(intf), id, &card); 617 if (err < 0) { 618 usb_put_intf(intf); 619 return err; 620 } 621 622 usb_set_intfdata(intf, card); 623 return 0; 624 } 625 626 static void snd_us122l_disconnect(struct usb_interface *intf) 627 { 628 struct snd_card *card; 629 struct us122l *us122l; 630 struct list_head *p; 631 632 card = usb_get_intfdata(intf); 633 if (!card) 634 return; 635 636 snd_card_disconnect(card); 637 638 us122l = US122L(card); 639 mutex_lock(&us122l->mutex); 640 us122l_stop(us122l); 641 mutex_unlock(&us122l->mutex); 642 643 /* release the midi resources */ 644 list_for_each(p, &us122l->midi_list) { 645 snd_usbmidi_disconnect(p); 646 } 647 648 usb_put_intf(usb_ifnum_to_if(us122l->dev, 0)); 649 usb_put_intf(usb_ifnum_to_if(us122l->dev, 1)); 650 usb_put_dev(us122l->dev); 651 652 while (atomic_read(&us122l->mmap_count)) 653 msleep(500); 654 655 snd_card_free(card); 656 } 657 658 static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) 659 { 660 struct snd_card *card; 661 struct us122l *us122l; 662 struct list_head *p; 663 664 card = usb_get_intfdata(intf); 665 if (!card) 666 return 0; 667 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 668 669 us122l = US122L(card); 670 if (!us122l) 671 return 0; 672 673 list_for_each(p, &us122l->midi_list) 674 snd_usbmidi_input_stop(p); 675 676 mutex_lock(&us122l->mutex); 677 usb_stream_stop(&us122l->sk); 678 mutex_unlock(&us122l->mutex); 679 680 return 0; 681 } 682 683 static int snd_us122l_resume(struct usb_interface *intf) 684 { 685 struct snd_card *card; 686 struct us122l *us122l; 687 struct list_head *p; 688 int err; 689 690 card = usb_get_intfdata(intf); 691 if (!card) 692 return 0; 693 694 us122l = US122L(card); 695 if (!us122l) 696 return 0; 697 698 mutex_lock(&us122l->mutex); 699 /* needed, doesn't restart without: */ 700 if (us122l->dev->descriptor.idProduct == USB_ID_US144 || 701 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) { 702 err = usb_set_interface(us122l->dev, 0, 1); 703 if (err) { 704 snd_printk(KERN_ERR "usb_set_interface error \n"); 705 goto unlock; 706 } 707 } 708 err = usb_set_interface(us122l->dev, 1, 1); 709 if (err) { 710 snd_printk(KERN_ERR "usb_set_interface error \n"); 711 goto unlock; 712 } 713 714 pt_info_set(us122l->dev, 0x11); 715 pt_info_set(us122l->dev, 0x10); 716 717 err = us122l_set_sample_rate(us122l->dev, 718 us122l->sk.s->cfg.sample_rate); 719 if (err < 0) { 720 snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); 721 goto unlock; 722 } 723 err = usb_stream_start(&us122l->sk); 724 if (err) 725 goto unlock; 726 727 list_for_each(p, &us122l->midi_list) 728 snd_usbmidi_input_start(p); 729 unlock: 730 mutex_unlock(&us122l->mutex); 731 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 732 return err; 733 } 734 735 static struct usb_device_id snd_us122l_usb_id_table[] = { 736 { 737 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 738 .idVendor = 0x0644, 739 .idProduct = USB_ID_US122L 740 }, 741 { /* US-144 only works at USB1.1! Disable module ehci-hcd. */ 742 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 743 .idVendor = 0x0644, 744 .idProduct = USB_ID_US144 745 }, 746 { 747 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 748 .idVendor = 0x0644, 749 .idProduct = USB_ID_US122MKII 750 }, 751 { 752 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 753 .idVendor = 0x0644, 754 .idProduct = USB_ID_US144MKII 755 }, 756 { /* terminator */ } 757 }; 758 759 MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); 760 static struct usb_driver snd_us122l_usb_driver = { 761 .name = "snd-usb-us122l", 762 .probe = snd_us122l_probe, 763 .disconnect = snd_us122l_disconnect, 764 .suspend = snd_us122l_suspend, 765 .resume = snd_us122l_resume, 766 .reset_resume = snd_us122l_resume, 767 .id_table = snd_us122l_usb_id_table, 768 .supports_autosuspend = 1 769 }; 770 771 772 static int __init snd_us122l_module_init(void) 773 { 774 return usb_register(&snd_us122l_usb_driver); 775 } 776 777 static void __exit snd_us122l_module_exit(void) 778 { 779 usb_deregister(&snd_us122l_usb_driver); 780 } 781 782 module_init(snd_us122l_module_init) 783 module_exit(snd_us122l_module_exit) 784