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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
5a0e3ad6 19#include <linux/slab.h>
de48c7bc
DM		 20#include <linux/usb.h>
21#include <linux/usb/audio.h>
030a07e4
KW		 22#include <sound/core.h>
23#include <sound/hwdep.h>
24#include <sound/pcm.h>
25#include <sound/initval.h>
26#define MODNAME "US122L"
27#include "usb_stream.c"
28#include "../usbaudio.h"
e5779998 29#include "../midi.h"
030a07e4
KW		 30#include "us122l.h"
31
32MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>");
33MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5");
34MODULE_LICENSE("GPL");
35
36static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
37static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
38 /* Enable this card */
39static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
40
41module_param_array(index, int, NULL, 0444);
42MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS".");
43module_param_array(id, charp, NULL, 0444);
44MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS".");
45module_param_array(enable, bool, NULL, 0444);
46MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
47
48static int snd_us122l_card_used[SNDRV_CARDS];
49
50
51static int us122l_create_usbmidi(struct snd_card *card)
52{
53 static struct snd_usb_midi_endpoint_info quirk_data = {
54 .out_ep = 4,
55 .in_ep = 3,
56 .out_cables = 0x001,
57 .in_cables = 0x001
58 };
59 static struct snd_usb_audio_quirk quirk = {
60 .vendor_name = "US122L",
61 .product_name = NAME_ALLCAPS,
62 .ifnum = 1,
63 .type = QUIRK_MIDI_US122L,
64 .data = &quirk_data
65 };
a014bbad 66 struct usb_device *dev = US122L(card)->dev;
030a07e4
KW		 67 struct usb_interface *iface = usb_ifnum_to_if(dev, 1);
68
d82af9f9
CL		 69 return snd_usbmidi_create(card, iface,
70 &US122L(card)->midi_list, &quirk);
030a07e4
KW		 71}
72
4f272341
TH		 73static int us144_create_usbmidi(struct snd_card *card)
74{
75 static struct snd_usb_midi_endpoint_info quirk_data = {
76 .out_ep = 4,
77 .in_ep = 3,
78 .out_cables = 0x001,
79 .in_cables = 0x001
80 };
81 static struct snd_usb_audio_quirk quirk = {
82 .vendor_name = "US144",
83 .product_name = NAME_ALLCAPS,
84 .ifnum = 0,
85 .type = QUIRK_MIDI_US122L,
86 .data = &quirk_data
87 };
a014bbad 88 struct usb_device *dev = US122L(card)->dev;
4f272341
TH		 89 struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
90
d82af9f9
CL		 91 return snd_usbmidi_create(card, iface,
92 &US122L(card)->midi_list, &quirk);
4f272341
TH		 93}
94
030a07e4
KW		 95/*
96 * Wrapper for usb_control_msg().
97 * Allocates a temp buffer to prevent dmaing from/to the stack.
98 */
99static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe,
100 __u8 request, __u8 requesttype,
101 __u16 value, __u16 index, void *data,
102 __u16 size, int timeout)
103{
104 int err;
105 void *buf = NULL;
106
107 if (size > 0) {
108 buf = kmemdup(data, size, GFP_KERNEL);
109 if (!buf)
110 return -ENOMEM;
111 }
112 err = usb_control_msg(dev, pipe, request, requesttype,
113 value, index, buf, size, timeout);
114 if (size > 0) {
115 memcpy(data, buf, size);
116 kfree(buf);
117 }
118 return err;
119}
120
121static void pt_info_set(struct usb_device *dev, u8 v)
122{
123 int ret;
124
125 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
126 'I',
127 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
128 v, 0, NULL, 0, 1000);
129 snd_printdd(KERN_DEBUG "%i\n", ret);
130}
131
132static void usb_stream_hwdep_vm_open(struct vm_area_struct *area)
133{
134 struct us122l *us122l = area->vm_private_data;
135 atomic_inc(&us122l->mmap_count);
136 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
137}
138
139static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area,
140 struct vm_fault *vmf)
141{
142 unsigned long offset;
143 struct page *page;
144 void *vaddr;
145 struct us122l *us122l = area->vm_private_data;
146 struct usb_stream *s;
030a07e4
KW		 147
148 mutex_lock(&us122l->mutex);
149 s = us122l->sk.s;
150 if (!s)
428ffb71 151 goto unlock;
030a07e4
KW		 152
153 offset = vmf->pgoff << PAGE_SHIFT;
154 if (offset < PAGE_ALIGN(s->read_size))
155 vaddr = (char *)s + offset;
156 else {
157 offset -= PAGE_ALIGN(s->read_size);
158 if (offset >= PAGE_ALIGN(s->write_size))
428ffb71 159 goto unlock;
030a07e4
KW		 160
161 vaddr = us122l->sk.write_page + offset;
162 }
163 page = virt_to_page(vaddr);
164
165 get_page(page);
166 mutex_unlock(&us122l->mutex);
167
168 vmf->page = page;
428ffb71
LZ		 169
170 return 0;
171unlock:
172 mutex_unlock(&us122l->mutex);
173 return VM_FAULT_SIGBUS;
030a07e4
KW		 174}
175
176static void usb_stream_hwdep_vm_close(struct vm_area_struct *area)
177{
178 struct us122l *us122l = area->vm_private_data;
179 atomic_dec(&us122l->mmap_count);
180 snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
181}
182
f0f37e2f 183static const struct vm_operations_struct usb_stream_hwdep_vm_ops = {
030a07e4
KW		 184 .open = usb_stream_hwdep_vm_open,
185 .fault = usb_stream_hwdep_vm_fault,
186 .close = usb_stream_hwdep_vm_close,
187};
188
189
190static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
191{
192 struct us122l *us122l = hw->private_data;
193 struct usb_interface *iface;
194 snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
195 if (hw->used >= 2)
196 return -EBUSY;
197
198 if (!us122l->first)
199 us122l->first = file;
4f272341 200
2b6f6c0d
TH		 201 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
202 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 203 iface = usb_ifnum_to_if(us122l->dev, 0);
4f272341
TH		 204 usb_autopm_get_interface(iface);
205 }
a014bbad 206 iface = usb_ifnum_to_if(us122l->dev, 1);
030a07e4
KW		 207 usb_autopm_get_interface(iface);
208 return 0;
209}
210
211static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)
212{
213 struct us122l *us122l = hw->private_data;
4f272341 214 struct usb_interface *iface;
030a07e4 215 snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
4f272341 216
2b6f6c0d
TH		 217 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
218 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 219 iface = usb_ifnum_to_if(us122l->dev, 0);
4f272341
TH		 220 usb_autopm_put_interface(iface);
221 }
a014bbad 222 iface = usb_ifnum_to_if(us122l->dev, 1);
030a07e4
KW		 223 usb_autopm_put_interface(iface);
224 if (us122l->first == file)
225 us122l->first = NULL;
226 mutex_lock(&us122l->mutex);
227 if (us122l->master == file)
228 us122l->master = us122l->slave;
229
230 us122l->slave = NULL;
231 mutex_unlock(&us122l->mutex);
232 return 0;
233}
234
235static int usb_stream_hwdep_mmap(struct snd_hwdep *hw,
236 struct file *filp, struct vm_area_struct *area)
237{
238 unsigned long size = area->vm_end - area->vm_start;
239 struct us122l *us122l = hw->private_data;
240 unsigned long offset;
241 struct usb_stream *s;
242 int err = 0;
243 bool read;
244
245 offset = area->vm_pgoff << PAGE_SHIFT;
246 mutex_lock(&us122l->mutex);
247 s = us122l->sk.s;
248 read = offset < s->read_size;
249 if (read && area->vm_flags & VM_WRITE) {
250 err = -EPERM;
251 goto out;
252 }
253 snd_printdd(KERN_DEBUG "%lu %u\n", size,
254 read ? s->read_size : s->write_size);
255 /* if userspace tries to mmap beyond end of our buffer, fail */
256 if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) {
257 snd_printk(KERN_WARNING "%lu > %u\n", size,
258 read ? s->read_size : s->write_size);
259 err = -EINVAL;
260 goto out;
261 }
262
263 area->vm_ops = &usb_stream_hwdep_vm_ops;
264 area->vm_flags |= VM_RESERVED;
265 area->vm_private_data = us122l;
266 atomic_inc(&us122l->mmap_count);
267out:
268 mutex_unlock(&us122l->mutex);
269 return err;
270}
271
272static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
273 struct file *file, poll_table *wait)
274{
275 struct us122l *us122l = hw->private_data;
276 struct usb_stream *s = us122l->sk.s;
277 unsigned *polled;
278 unsigned int mask;
279
280 poll_wait(file, &us122l->sk.sleep, wait);
281
282 switch (s->state) {
283 case usb_stream_ready:
284 if (us122l->first == file)
285 polled = &s->periods_polled;
286 else
287 polled = &us122l->second_periods_polled;
288 if (*polled != s->periods_done) {
289 *polled = s->periods_done;
290 mask = POLLIN | POLLOUT | POLLWRNORM;
291 break;
292 }
293 /* Fall through */
294 mask = 0;
295 break;
296 default:
297 mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR;
298 break;
299 }
300 return mask;
301}
302
303static void us122l_stop(struct us122l *us122l)
304{
305 struct list_head *p;
d82af9f9 306 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 307 snd_usbmidi_input_stop(p);
308
309 usb_stream_stop(&us122l->sk);
310 usb_stream_free(&us122l->sk);
311}
312
313static int us122l_set_sample_rate(struct usb_device *dev, int rate)
314{
315 unsigned int ep = 0x81;
316 unsigned char data[3];
317 int err;
318
319 data[0] = rate;
320 data[1] = rate >> 8;
321 data[2] = rate >> 16;
de48c7bc 322 err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
030a07e4 323 USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
de48c7bc 324 UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000);
030a07e4
KW		 325 if (err < 0)
326 snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n",
327 dev->devnum, rate, ep);
328 return err;
329}
330
331static bool us122l_start(struct us122l *us122l,
332 unsigned rate, unsigned period_frames)
333{
334 struct list_head *p;
335 int err;
336 unsigned use_packsize = 0;
337 bool success = false;
338
a014bbad 339 if (us122l->dev->speed == USB_SPEED_HIGH) {
030a07e4
KW		 340 /* The us-122l's descriptor defaults to iso max_packsize 78,
341 which isn't needed for samplerates <= 48000.
342 Lets save some memory:
343 */
344 switch (rate) {
345 case 44100:
346 use_packsize = 36;
347 break;
348 case 48000:
349 use_packsize = 42;
350 break;
351 case 88200:
352 use_packsize = 72;
353 break;
354 }
355 }
a014bbad 356 if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2,
030a07e4
KW		 357 rate, use_packsize, period_frames, 6))
358 goto out;
359
a014bbad 360 err = us122l_set_sample_rate(us122l->dev, rate);
030a07e4
KW		 361 if (err < 0) {
362 us122l_stop(us122l);
363 snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
364 goto out;
365 }
366 err = usb_stream_start(&us122l->sk);
367 if (err < 0) {
368 us122l_stop(us122l);
369 snd_printk(KERN_ERR "us122l_start error %i \n", err);
370 goto out;
371 }
d82af9f9 372 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 373 snd_usbmidi_input_start(p);
374 success = true;
375out:
376 return success;
377}
378
379static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
380 unsigned cmd, unsigned long arg)
381{
382 struct usb_stream_config *cfg;
383 struct us122l *us122l = hw->private_data;
384 unsigned min_period_frames;
385 int err = 0;
386 bool high_speed;
387
388 if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
389 return -ENOTTY;
390
85385c15
LZ		 391 cfg = memdup_user((void *)arg, sizeof(*cfg));
392 if (IS_ERR(cfg))
393 return PTR_ERR(cfg);
030a07e4 394
030a07e4
KW		 395 if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
396 err = -ENXIO;
397 goto free;
398 }
a014bbad 399 high_speed = us122l->dev->speed == USB_SPEED_HIGH;
030a07e4
KW		 400 if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 &&
401 (!high_speed ||
402 (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) ||
403 cfg->frame_size != 6 ||
404 cfg->period_frames > 0x3000) {
405 err = -EINVAL;
406 goto free;
407 }
408 switch (cfg->sample_rate) {
409 case 44100:
410 min_period_frames = 48;
411 break;
412 case 48000:
413 min_period_frames = 52;
414 break;
415 default:
416 min_period_frames = 104;
417 break;
418 }
419 if (!high_speed)
420 min_period_frames <<= 1;
421 if (cfg->period_frames < min_period_frames) {
422 err = -EINVAL;
423 goto free;
424 }
425
426 snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
427
428 mutex_lock(&us122l->mutex);
429 if (!us122l->master)
430 us122l->master = file;
431 else if (us122l->master != file) {
432 if (memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg))) {
433 err = -EIO;
434 goto unlock;
435 }
436 us122l->slave = file;
437 }
438 if (!us122l->sk.s ||
439 memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg)) ||
440 us122l->sk.s->state == usb_stream_xrun) {
441 us122l_stop(us122l);
442 if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames))
443 err = -EIO;
444 else
445 err = 1;
446 }
447unlock:
448 mutex_unlock(&us122l->mutex);
449free:
450 kfree(cfg);
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;
a014bbad 459 struct usb_device *dev = US122L(card)->dev;
030a07e4
KW		 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
2b6f6c0d
TH		 485 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
486 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 487 err = usb_set_interface(us122l->dev, 0, 1);
4f272341
TH		 488 if (err) {
489 snd_printk(KERN_ERR "usb_set_interface error \n");
490 return false;
491 }
492 }
a014bbad 493 err = usb_set_interface(us122l->dev, 1, 1);
030a07e4
KW		 494 if (err) {
495 snd_printk(KERN_ERR "usb_set_interface error \n");
496 return false;
497 }
498
a014bbad
CL		 499 pt_info_set(us122l->dev, 0x11);
500 pt_info_set(us122l->dev, 0x10);
030a07e4
KW		 501
502 if (!us122l_start(us122l, 44100, 256))
503 return false;
504
2b6f6c0d
TH		 505 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
506 us122l->dev->descriptor.idProduct == USB_ID_US144MKII)
4f272341
TH		 507 err = us144_create_usbmidi(card);
508 else
509 err = us122l_create_usbmidi(card);
030a07e4
KW		 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;
d82af9f9 519 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 520 snd_usbmidi_disconnect(p);
521
522 us122l_stop(us122l);
523 return false;
524 }
525 return true;
526}
527
5d4af1be
KW		 528static void snd_us122l_free(struct snd_card *card)
529{
530 struct us122l *us122l = US122L(card);
a014bbad 531 int index = us122l->card_index;
5d4af1be
KW		 532 if (index >= 0 && index < SNDRV_CARDS)
533 snd_us122l_card_used[index] = 0;
534}
535
51721f70 536static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)
030a07e4
KW		 537{
538 int dev;
539 struct snd_card *card;
bd7dd77c
TI		 540 int err;
541
030a07e4
KW		 542 for (dev = 0; dev < SNDRV_CARDS; ++dev)
543 if (enable[dev] && !snd_us122l_card_used[dev])
544 break;
545 if (dev >= SNDRV_CARDS)
51721f70 546 return -ENODEV;
bd7dd77c
TI		 547 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
548 sizeof(struct us122l), &card);
549 if (err < 0)
51721f70 550 return err;
a014bbad 551 snd_us122l_card_used[US122L(card)->card_index = dev] = 1;
5d4af1be 552 card->private_free = snd_us122l_free;
a014bbad 553 US122L(card)->dev = device;
030a07e4
KW		 554 mutex_init(&US122L(card)->mutex);
555 init_waitqueue_head(&US122L(card)->sk.sleep);
d82af9f9 556 INIT_LIST_HEAD(&US122L(card)->midi_list);
030a07e4
KW		 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,
a014bbad
CL		 564 US122L(card)->dev->bus->busnum,
565 US122L(card)->dev->devnum
030a07e4 566 );
51721f70
TI		 567 *cardp = card;
568 return 0;
030a07e4
KW		 569}
570
51721f70
TI		 571static int us122l_usb_probe(struct usb_interface *intf,
572 const struct usb_device_id *device_id,
573 struct snd_card **cardp)
030a07e4
KW		 574{
575 struct usb_device *device = interface_to_usbdev(intf);
51721f70
TI		 576 struct snd_card *card;
577 int err;
030a07e4 578
51721f70
TI		 579 err = usx2y_create_card(device, &card);
580 if (err < 0)
581 return err;
030a07e4 582
3f5d3465 583 snd_card_set_dev(card, &intf->dev);
51721f70 584 if (!us122l_create_card(card)) {
030a07e4 585 snd_card_free(card);
51721f70
TI		 586 return -EINVAL;
587 }
588
589 err = snd_card_register(card);
590 if (err < 0) {
591 snd_card_free(card);
592 return err;
030a07e4
KW		 593 }
594
4f272341 595 usb_get_intf(usb_ifnum_to_if(device, 0));
030a07e4 596 usb_get_dev(device);
51721f70
TI		 597 *cardp = card;
598 return 0;
030a07e4
KW		 599}
600
601static int snd_us122l_probe(struct usb_interface *intf,
602 const struct usb_device_id *id)
603{
4f272341 604 struct usb_device *device = interface_to_usbdev(intf);
030a07e4 605 struct snd_card *card;
51721f70
TI		 606 int err;
607
2b6f6c0d
TH		 608 if ((device->descriptor.idProduct == USB_ID_US144 ||
609 device->descriptor.idProduct == USB_ID_US144MKII)
4f272341
TH		 610 && device->speed == USB_SPEED_HIGH) {
611 snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
a688e488 612 return -ENODEV;
4f272341
TH		 613 }
614
030a07e4
KW		 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
51721f70
TI		 620 err = us122l_usb_probe(usb_get_intf(intf), id, &card);
621 if (err < 0) {
622 usb_put_intf(intf);
623 return err;
030a07e4
KW		 624 }
625
51721f70
TI		 626 usb_set_intfdata(intf, card);
627 return 0;
030a07e4
KW		 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);
030a07e4
KW		 646
647/* release the midi resources */
d82af9f9 648 list_for_each(p, &us122l->midi_list) {
030a07e4
KW		 649 snd_usbmidi_disconnect(p);
650 }
651
a014bbad
CL		 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);
030a07e4
KW		 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
f4e9749f 668 card = usb_get_intfdata(intf);
030a07e4
KW		 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
d82af9f9 677 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 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
f4e9749f 694 card = usb_get_intfdata(intf);
030a07e4
KW		 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: */
2b6f6c0d
TH		 704 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
705 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
a014bbad 706 err = usb_set_interface(us122l->dev, 0, 1);
4f272341
TH		 707 if (err) {
708 snd_printk(KERN_ERR "usb_set_interface error \n");
709 goto unlock;
710 }
711 }
a014bbad 712 err = usb_set_interface(us122l->dev, 1, 1);
030a07e4
KW		 713 if (err) {
714 snd_printk(KERN_ERR "usb_set_interface error \n");
715 goto unlock;
716 }
717
a014bbad
CL		 718 pt_info_set(us122l->dev, 0x11);
719 pt_info_set(us122l->dev, 0x10);
030a07e4 720
a014bbad 721 err = us122l_set_sample_rate(us122l->dev,
030a07e4
KW		 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
d82af9f9 731 list_for_each(p, &us122l->midi_list)
030a07e4
KW		 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 },
4f272341
TH		 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 },
2b6f6c0d
TH		 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 },
030a07e4
KW		 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
775
776static int __init snd_us122l_module_init(void)
777{
778 return usb_register(&snd_us122l_usb_driver);
779}
780
781static void __exit snd_us122l_module_exit(void)
782{
783 usb_deregister(&snd_us122l_usb_driver);
784}
785
786module_init(snd_us122l_module_init)
787module_exit(snd_us122l_module_exit)
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