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