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Merge git://git.infradead.org/ubi-2.6
[net-next-2.6.git] / sound / usb / usx2y / us122l.c
CommitLineData
030a07e4
KW		 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
de48c7bc
DM		 19#include <linux/usb.h>
20#include <linux/usb/audio.h>
030a07e4
KW		 21#include <sound/core.h>
22#include <sound/hwdep.h>
23#include <sound/pcm.h>
24#include <sound/initval.h>
25#define MODNAME "US122L"
26#include "usb_stream.c"
27#include "../usbaudio.h"
28#include "us122l.h"
29
30MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>");
31MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5");
32MODULE_LICENSE("GPL");
33
34static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
35static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
36 /* Enable this card */
37static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
38
39module_param_array(index, int, NULL, 0444);
40MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS".");
41module_param_array(id, charp, NULL, 0444);
42MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS".");
43module_param_array(enable, bool, NULL, 0444);
44MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
45
46static int snd_us122l_card_used[SNDRV_CARDS];
47
48
49static int us122l_create_usbmidi(struct snd_card *card)
50{
51 static struct snd_usb_midi_endpoint_info quirk_data = {
52 .out_ep = 4,
53 .in_ep = 3,
54 .out_cables = 0x001,
55 .in_cables = 0x001
56 };
57 static struct snd_usb_audio_quirk quirk = {
58 .vendor_name = "US122L",
59 .product_name = NAME_ALLCAPS,
60 .ifnum = 1,
61 .type = QUIRK_MIDI_US122L,
62 .data = &quirk_data
63 };
a014bbad 64 struct usb_device *dev = US122L(card)->dev;
030a07e4
KW		 65 struct usb_interface *iface = usb_ifnum_to_if(dev, 1);
66
d82af9f9
CL		 67 return snd_usbmidi_create(card, iface,
68 &US122L(card)->midi_list, &quirk);
030a07e4
KW		 69}
70
4f272341
TH		 71static int us144_create_usbmidi(struct snd_card *card)
72{
73 static struct snd_usb_midi_endpoint_info quirk_data = {
74 .out_ep = 4,
75 .in_ep = 3,
76 .out_cables = 0x001,
77 .in_cables = 0x001
78 };
79 static struct snd_usb_audio_quirk quirk = {
80 .vendor_name = "US144",
81 .product_name = NAME_ALLCAPS,
82 .ifnum = 0,
83 .type = QUIRK_MIDI_US122L,
84 .data = &quirk_data
85 };
a014bbad 86 struct usb_device *dev = US122L(card)->dev;
4f272341
TH		 87 struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
88
d82af9f9
CL		 89 return snd_usbmidi_create(card, iface,
90 &US122L(card)->midi_list, &quirk);
4f272341
TH		 91}
92
030a07e4
KW		 93/*
94 * Wrapper for usb_control_msg().
95 * Allocates a temp buffer to prevent dmaing from/to the stack.
96 */
97static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe,
98 __u8 request, __u8 requesttype,
99 __u16 value, __u16 index, void *data,
100 __u16 size, int timeout)
101{
102 int err;
103 void *buf = NULL;
104
105 if (size > 0) {
106 buf = kmemdup(data, size, GFP_KERNEL);
107 if (!buf)
108 return -ENOMEM;
109 }
110 err = usb_control_msg(dev, pipe, request, requesttype,
111 value, index, buf, size, timeout);
112 if (size > 0) {
113 memcpy(data, buf, size);
114 kfree(buf);
115 }
116 return err;
117}
118
119static void pt_info_set(struct usb_device *dev, u8 v)
120{
121 int ret;
122
123 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
124 'I',
125 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
126 v, 0, NULL, 0, 1000);
127 snd_printdd(KERN_DEBUG "%i\n", ret);
128}
129
130static void usb_stream_hwdep_vm_open(struct vm_area_struct *area)
131{
132 struct us122l *us122l = area->vm_private_data;
133 atomic_inc(&us122l->mmap_count);
134 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
135}
136
137static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area,
138 struct vm_fault *vmf)
139{
140 unsigned long offset;
141 struct page *page;
142 void *vaddr;
143 struct us122l *us122l = area->vm_private_data;
144 struct usb_stream *s;
030a07e4
KW		 145
146 mutex_lock(&us122l->mutex);
147 s = us122l->sk.s;
148 if (!s)
428ffb71 149 goto unlock;
030a07e4
KW		 150
151 offset = vmf->pgoff << PAGE_SHIFT;
152 if (offset < PAGE_ALIGN(s->read_size))
153 vaddr = (char *)s + offset;
154 else {
155 offset -= PAGE_ALIGN(s->read_size);
156 if (offset >= PAGE_ALIGN(s->write_size))
428ffb71 157 goto unlock;
030a07e4
KW		 158
159 vaddr = us122l->sk.write_page + offset;
160 }
161 page = virt_to_page(vaddr);
162
163 get_page(page);
164 mutex_unlock(&us122l->mutex);
165
166 vmf->page = page;
428ffb71
LZ		 167
168 return 0;
169unlock:
170 mutex_unlock(&us122l->mutex);
171 return VM_FAULT_SIGBUS;
030a07e4
KW		 172}
173
174static void usb_stream_hwdep_vm_close(struct vm_area_struct *area)
175{
176 struct us122l *us122l = area->vm_private_data;
177 atomic_dec(&us122l->mmap_count);
178 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
179}
180
f0f37e2f 181static const struct vm_operations_struct usb_stream_hwdep_vm_ops = {
030a07e4
KW		 182 .open = usb_stream_hwdep_vm_open,
183 .fault = usb_stream_hwdep_vm_fault,
184 .close = usb_stream_hwdep_vm_close,
185};
186
187
188static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
189{
190 struct us122l *us122l = hw->private_data;
191 struct usb_interface *iface;
192 snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
193 if (hw->used >= 2)
194 return -EBUSY;
195
196 if (!us122l->first)
197 us122l->first = file;
4f272341 198
2b6f6c0d
TH		 199 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
200 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 201 iface = usb_ifnum_to_if(us122l->dev, 0);
4f272341
TH		 202 usb_autopm_get_interface(iface);
203 }
a014bbad 204 iface = usb_ifnum_to_if(us122l->dev, 1);
030a07e4
KW		 205 usb_autopm_get_interface(iface);
206 return 0;
207}
208
209static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)
210{
211 struct us122l *us122l = hw->private_data;
4f272341 212 struct usb_interface *iface;
030a07e4 213 snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
4f272341 214
2b6f6c0d
TH		 215 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
216 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 217 iface = usb_ifnum_to_if(us122l->dev, 0);
4f272341
TH		 218 usb_autopm_put_interface(iface);
219 }
a014bbad 220 iface = usb_ifnum_to_if(us122l->dev, 1);
030a07e4
KW		 221 usb_autopm_put_interface(iface);
222 if (us122l->first == file)
223 us122l->first = NULL;
224 mutex_lock(&us122l->mutex);
225 if (us122l->master == file)
226 us122l->master = us122l->slave;
227
228 us122l->slave = NULL;
229 mutex_unlock(&us122l->mutex);
230 return 0;
231}
232
233static int usb_stream_hwdep_mmap(struct snd_hwdep *hw,
234 struct file *filp, struct vm_area_struct *area)
235{
236 unsigned long size = area->vm_end - area->vm_start;
237 struct us122l *us122l = hw->private_data;
238 unsigned long offset;
239 struct usb_stream *s;
240 int err = 0;
241 bool read;
242
243 offset = area->vm_pgoff << PAGE_SHIFT;
244 mutex_lock(&us122l->mutex);
245 s = us122l->sk.s;
246 read = offset < s->read_size;
247 if (read && area->vm_flags & VM_WRITE) {
248 err = -EPERM;
249 goto out;
250 }
251 snd_printdd(KERN_DEBUG "%lu %u\n", size,
252 read ? s->read_size : s->write_size);
253 /* if userspace tries to mmap beyond end of our buffer, fail */
254 if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) {
255 snd_printk(KERN_WARNING "%lu > %u\n", size,
256 read ? s->read_size : s->write_size);
257 err = -EINVAL;
258 goto out;
259 }
260
261 area->vm_ops = &usb_stream_hwdep_vm_ops;
262 area->vm_flags |= VM_RESERVED;
263 area->vm_private_data = us122l;
264 atomic_inc(&us122l->mmap_count);
265out:
266 mutex_unlock(&us122l->mutex);
267 return err;
268}
269
270static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
271 struct file *file, poll_table *wait)
272{
273 struct us122l *us122l = hw->private_data;
274 struct usb_stream *s = us122l->sk.s;
275 unsigned *polled;
276 unsigned int mask;
277
278 poll_wait(file, &us122l->sk.sleep, wait);
279
280 switch (s->state) {
281 case usb_stream_ready:
282 if (us122l->first == file)
283 polled = &s->periods_polled;
284 else
285 polled = &us122l->second_periods_polled;
286 if (*polled != s->periods_done) {
287 *polled = s->periods_done;
288 mask = POLLIN | POLLOUT | POLLWRNORM;
289 break;
290 }
291 /* Fall through */
292 mask = 0;
293 break;
294 default:
295 mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR;
296 break;
297 }
298 return mask;
299}
300
301static void us122l_stop(struct us122l *us122l)
302{
303 struct list_head *p;
d82af9f9 304 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 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;
de48c7bc 320 err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
030a07e4 321 USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
de48c7bc 322 UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000);
030a07e4
KW		 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
a014bbad 337 if (us122l->dev->speed == USB_SPEED_HIGH) {
030a07e4
KW		 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 }
a014bbad 354 if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2,
030a07e4
KW		 355 rate, use_packsize, period_frames, 6))
356 goto out;
357
a014bbad 358 err = us122l_set_sample_rate(us122l->dev, rate);
030a07e4
KW		 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 }
d82af9f9 370 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 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 unsigned min_period_frames;
383 int err = 0;
384 bool high_speed;
385
386 if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
387 return -ENOTTY;
388
85385c15
LZ		 389 cfg = memdup_user((void *)arg, sizeof(*cfg));
390 if (IS_ERR(cfg))
391 return PTR_ERR(cfg);
030a07e4 392
030a07e4
KW		 393 if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
394 err = -ENXIO;
395 goto free;
396 }
a014bbad 397 high_speed = us122l->dev->speed == USB_SPEED_HIGH;
030a07e4
KW		 398 if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 &&
399 (!high_speed ||
400 (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) ||
401 cfg->frame_size != 6 ||
402 cfg->period_frames > 0x3000) {
403 err = -EINVAL;
404 goto free;
405 }
406 switch (cfg->sample_rate) {
407 case 44100:
408 min_period_frames = 48;
409 break;
410 case 48000:
411 min_period_frames = 52;
412 break;
413 default:
414 min_period_frames = 104;
415 break;
416 }
417 if (!high_speed)
418 min_period_frames <<= 1;
419 if (cfg->period_frames < min_period_frames) {
420 err = -EINVAL;
421 goto free;
422 }
423
424 snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
425
426 mutex_lock(&us122l->mutex);
427 if (!us122l->master)
428 us122l->master = file;
429 else if (us122l->master != file) {
430 if (memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg))) {
431 err = -EIO;
432 goto unlock;
433 }
434 us122l->slave = file;
435 }
436 if (!us122l->sk.s ||
437 memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg)) ||
438 us122l->sk.s->state == usb_stream_xrun) {
439 us122l_stop(us122l);
440 if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames))
441 err = -EIO;
442 else
443 err = 1;
444 }
445unlock:
446 mutex_unlock(&us122l->mutex);
447free:
448 kfree(cfg);
449 return err;
450}
451
452#define SND_USB_STREAM_ID "USB STREAM"
453static int usb_stream_hwdep_new(struct snd_card *card)
454{
455 int err;
456 struct snd_hwdep *hw;
a014bbad 457 struct usb_device *dev = US122L(card)->dev;
030a07e4
KW		 458
459 err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw);
460 if (err < 0)
461 return err;
462
463 hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM;
464 hw->private_data = US122L(card);
465 hw->ops.open = usb_stream_hwdep_open;
466 hw->ops.release = usb_stream_hwdep_release;
467 hw->ops.ioctl = usb_stream_hwdep_ioctl;
468 hw->ops.ioctl_compat = usb_stream_hwdep_ioctl;
469 hw->ops.mmap = usb_stream_hwdep_mmap;
470 hw->ops.poll = usb_stream_hwdep_poll;
471
472 sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm",
473 dev->bus->busnum, dev->devnum);
474 return 0;
475}
476
477
478static bool us122l_create_card(struct snd_card *card)
479{
480 int err;
481 struct us122l *us122l = US122L(card);
482
2b6f6c0d
TH		 483 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
484 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 485 err = usb_set_interface(us122l->dev, 0, 1);
4f272341
TH		 486 if (err) {
487 snd_printk(KERN_ERR "usb_set_interface error \n");
488 return false;
489 }
490 }
a014bbad 491 err = usb_set_interface(us122l->dev, 1, 1);
030a07e4
KW		 492 if (err) {
493 snd_printk(KERN_ERR "usb_set_interface error \n");
494 return false;
495 }
496
a014bbad
CL		 497 pt_info_set(us122l->dev, 0x11);
498 pt_info_set(us122l->dev, 0x10);
030a07e4
KW		 499
500 if (!us122l_start(us122l, 44100, 256))
501 return false;
502
2b6f6c0d
TH		 503 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
504 us122l->dev->descriptor.idProduct == USB_ID_US144MKII)
4f272341
TH		 505 err = us144_create_usbmidi(card);
506 else
507 err = us122l_create_usbmidi(card);
030a07e4
KW		 508 if (err < 0) {
509 snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err);
510 us122l_stop(us122l);
511 return false;
512 }
513 err = usb_stream_hwdep_new(card);
514 if (err < 0) {
515/* release the midi resources */
516 struct list_head *p;
d82af9f9 517 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 518 snd_usbmidi_disconnect(p);
519
520 us122l_stop(us122l);
521 return false;
522 }
523 return true;
524}
525
5d4af1be
KW		 526static void snd_us122l_free(struct snd_card *card)
527{
528 struct us122l *us122l = US122L(card);
a014bbad 529 int index = us122l->card_index;
5d4af1be
KW		 530 if (index >= 0 && index < SNDRV_CARDS)
531 snd_us122l_card_used[index] = 0;
532}
533
51721f70 534static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)
030a07e4
KW		 535{
536 int dev;
537 struct snd_card *card;
bd7dd77c
TI		 538 int err;
539
030a07e4
KW		 540 for (dev = 0; dev < SNDRV_CARDS; ++dev)
541 if (enable[dev] && !snd_us122l_card_used[dev])
542 break;
543 if (dev >= SNDRV_CARDS)
51721f70 544 return -ENODEV;
bd7dd77c
TI		 545 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
546 sizeof(struct us122l), &card);
547 if (err < 0)
51721f70 548 return err;
a014bbad 549 snd_us122l_card_used[US122L(card)->card_index = dev] = 1;
5d4af1be 550 card->private_free = snd_us122l_free;
a014bbad 551 US122L(card)->dev = device;
030a07e4
KW		 552 mutex_init(&US122L(card)->mutex);
553 init_waitqueue_head(&US122L(card)->sk.sleep);
d82af9f9 554 INIT_LIST_HEAD(&US122L(card)->midi_list);
030a07e4
KW		 555 strcpy(card->driver, "USB "NAME_ALLCAPS"");
556 sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
557 sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
558 card->shortname,
559 le16_to_cpu(device->descriptor.idVendor),
560 le16_to_cpu(device->descriptor.idProduct),
561 0,
a014bbad
CL		 562 US122L(card)->dev->bus->busnum,
563 US122L(card)->dev->devnum
030a07e4 564 );
51721f70
TI		 565 *cardp = card;
566 return 0;
030a07e4
KW		 567}
568
51721f70
TI		 569static int us122l_usb_probe(struct usb_interface *intf,
570 const struct usb_device_id *device_id,
571 struct snd_card **cardp)
030a07e4
KW		 572{
573 struct usb_device *device = interface_to_usbdev(intf);
51721f70
TI		 574 struct snd_card *card;
575 int err;
030a07e4 576
51721f70
TI		 577 err = usx2y_create_card(device, &card);
578 if (err < 0)
579 return err;
030a07e4 580
3f5d3465 581 snd_card_set_dev(card, &intf->dev);
51721f70 582 if (!us122l_create_card(card)) {
030a07e4 583 snd_card_free(card);
51721f70
TI		 584 return -EINVAL;
585 }
586
587 err = snd_card_register(card);
588 if (err < 0) {
589 snd_card_free(card);
590 return err;
030a07e4
KW		 591 }
592
4f272341 593 usb_get_intf(usb_ifnum_to_if(device, 0));
030a07e4 594 usb_get_dev(device);
51721f70
TI		 595 *cardp = card;
596 return 0;
030a07e4
KW		 597}
598
599static int snd_us122l_probe(struct usb_interface *intf,
600 const struct usb_device_id *id)
601{
4f272341 602 struct usb_device *device = interface_to_usbdev(intf);
030a07e4 603 struct snd_card *card;
51721f70
TI		 604 int err;
605
2b6f6c0d
TH		 606 if ((device->descriptor.idProduct == USB_ID_US144 ||
607 device->descriptor.idProduct == USB_ID_US144MKII)
4f272341
TH		 608 && device->speed == USB_SPEED_HIGH) {
609 snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
a688e488 610 return -ENODEV;
4f272341
TH		 611 }
612
030a07e4
KW		 613 snd_printdd(KERN_DEBUG"%p:%i\n",
614 intf, intf->cur_altsetting->desc.bInterfaceNumber);
615 if (intf->cur_altsetting->desc.bInterfaceNumber != 1)
616 return 0;
617
51721f70
TI		 618 err = us122l_usb_probe(usb_get_intf(intf), id, &card);
619 if (err < 0) {
620 usb_put_intf(intf);
621 return err;
030a07e4
KW		 622 }
623
51721f70
TI		 624 usb_set_intfdata(intf, card);
625 return 0;
030a07e4
KW		 626}
627
628static void snd_us122l_disconnect(struct usb_interface *intf)
629{
630 struct snd_card *card;
631 struct us122l *us122l;
632 struct list_head *p;
633
634 card = usb_get_intfdata(intf);
635 if (!card)
636 return;
637
638 snd_card_disconnect(card);
639
640 us122l = US122L(card);
641 mutex_lock(&us122l->mutex);
642 us122l_stop(us122l);
643 mutex_unlock(&us122l->mutex);
030a07e4
KW		 644
645/* release the midi resources */
d82af9f9 646 list_for_each(p, &us122l->midi_list) {
030a07e4
KW		 647 snd_usbmidi_disconnect(p);
648 }
649
a014bbad
CL		 650 usb_put_intf(usb_ifnum_to_if(us122l->dev, 0));
651 usb_put_intf(usb_ifnum_to_if(us122l->dev, 1));
652 usb_put_dev(us122l->dev);
030a07e4
KW		 653
654 while (atomic_read(&us122l->mmap_count))
655 msleep(500);
656
657 snd_card_free(card);
658}
659
660static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message)
661{
662 struct snd_card *card;
663 struct us122l *us122l;
664 struct list_head *p;
665
f4e9749f 666 card = usb_get_intfdata(intf);
030a07e4
KW		 667 if (!card)
668 return 0;
669 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
670
671 us122l = US122L(card);
672 if (!us122l)
673 return 0;
674
d82af9f9 675 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 676 snd_usbmidi_input_stop(p);
677
678 mutex_lock(&us122l->mutex);
679 usb_stream_stop(&us122l->sk);
680 mutex_unlock(&us122l->mutex);
681
682 return 0;
683}
684
685static int snd_us122l_resume(struct usb_interface *intf)
686{
687 struct snd_card *card;
688 struct us122l *us122l;
689 struct list_head *p;
690 int err;
691
f4e9749f 692 card = usb_get_intfdata(intf);
030a07e4
KW		 693 if (!card)
694 return 0;
695
696 us122l = US122L(card);
697 if (!us122l)
698 return 0;
699
700 mutex_lock(&us122l->mutex);
701 /* needed, doesn't restart without: */
2b6f6c0d
TH		 702 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
703 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 704 err = usb_set_interface(us122l->dev, 0, 1);
4f272341
TH		 705 if (err) {
706 snd_printk(KERN_ERR "usb_set_interface error \n");
707 goto unlock;
708 }
709 }
a014bbad 710 err = usb_set_interface(us122l->dev, 1, 1);
030a07e4
KW		 711 if (err) {
712 snd_printk(KERN_ERR "usb_set_interface error \n");
713 goto unlock;
714 }
715
a014bbad
CL		 716 pt_info_set(us122l->dev, 0x11);
717 pt_info_set(us122l->dev, 0x10);
030a07e4 718
a014bbad 719 err = us122l_set_sample_rate(us122l->dev,
030a07e4
KW		 720 us122l->sk.s->cfg.sample_rate);
721 if (err < 0) {
722 snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
723 goto unlock;
724 }
725 err = usb_stream_start(&us122l->sk);
726 if (err)
727 goto unlock;
728
d82af9f9 729 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 730 snd_usbmidi_input_start(p);
731unlock:
732 mutex_unlock(&us122l->mutex);
733 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
734 return err;
735}
736
737static struct usb_device_id snd_us122l_usb_id_table[] = {
738 {
739 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
740 .idVendor = 0x0644,
741 .idProduct = USB_ID_US122L
742 },
4f272341
TH		 743 { /* US-144 only works at USB1.1! Disable module ehci-hcd. */
744 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
745 .idVendor = 0x0644,
746 .idProduct = USB_ID_US144
747 },
2b6f6c0d
TH		 748 {
749 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
750 .idVendor = 0x0644,
751 .idProduct = USB_ID_US122MKII
752 },
753 {
754 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
755 .idVendor = 0x0644,
756 .idProduct = USB_ID_US144MKII
757 },
030a07e4
KW		 758 { /* terminator */ }
759};
760
761MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table);
762static struct usb_driver snd_us122l_usb_driver = {
763 .name = "snd-usb-us122l",
764 .probe = snd_us122l_probe,
765 .disconnect = snd_us122l_disconnect,
766 .suspend = snd_us122l_suspend,
767 .resume = snd_us122l_resume,
768 .reset_resume = snd_us122l_resume,
769 .id_table = snd_us122l_usb_id_table,
770 .supports_autosuspend = 1
771};
772
773
774static int __init snd_us122l_module_init(void)
775{
776 return usb_register(&snd_us122l_usb_driver);
777}
778
779static void __exit snd_us122l_module_exit(void)
780{
781 usb_deregister(&snd_us122l_usb_driver);
782}
783
784module_init(snd_us122l_module_init)
785module_exit(snd_us122l_module_exit)
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