blob: cf5dc33f4a6d6d582bea62d239f23b4e08bf750a [file] [log] [blame]
Karsten Wiese030a07e2008-07-30 15:13:29 +02001/*
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
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090019#include <linux/slab.h>
Daniel Mackde48c7b2010-02-22 23:49:13 +010020#include <linux/usb.h>
21#include <linux/usb/audio.h>
Paul Gortmakerda155d52011-07-15 12:38:28 -040022#include <linux/module.h>
Karsten Wiese030a07e2008-07-30 15:13:29 +020023#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"
Daniel Macke5779992010-03-04 19:46:13 +010030#include "../midi.h"
Karsten Wiese030a07e2008-07-30 15:13:29 +020031#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 */
Rusty Russella67ff6a2011-12-15 13:49:36 +103040static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
Karsten Wiese030a07e2008-07-30 15:13:29 +020041
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 };
Clemens Ladischa014bba2009-11-16 12:26:30 +010067 struct usb_device *dev = US122L(card)->dev;
Karsten Wiese030a07e2008-07-30 15:13:29 +020068 struct usb_interface *iface = usb_ifnum_to_if(dev, 1);
69
Clemens Ladischd82af9f2009-11-16 12:23:46 +010070 return snd_usbmidi_create(card, iface,
71 &US122L(card)->midi_list, &quirk);
Karsten Wiese030a07e2008-07-30 15:13:29 +020072}
73
Tobias Hansen4f272342009-09-22 16:52:08 +020074static 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 };
Clemens Ladischa014bba2009-11-16 12:26:30 +010089 struct usb_device *dev = US122L(card)->dev;
Tobias Hansen4f272342009-09-22 16:52:08 +020090 struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
91
Clemens Ladischd82af9f2009-11-16 12:23:46 +010092 return snd_usbmidi_create(card, iface,
93 &US122L(card)->midi_list, &quirk);
Tobias Hansen4f272342009-09-22 16:52:08 +020094}
95
Karsten Wiese030a07e2008-07-30 15:13:29 +020096/*
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;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200148
149 mutex_lock(&us122l->mutex);
150 s = us122l->sk.s;
151 if (!s)
Li Zefan428ffb72008-10-15 10:07:23 +0800152 goto unlock;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200153
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))
Li Zefan428ffb72008-10-15 10:07:23 +0800160 goto unlock;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200161
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;
Li Zefan428ffb72008-10-15 10:07:23 +0800170
171 return 0;
172unlock:
173 mutex_unlock(&us122l->mutex);
174 return VM_FAULT_SIGBUS;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200175}
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
Alexey Dobriyanf0f37e22009-09-27 22:29:37 +0400184static const struct vm_operations_struct usb_stream_hwdep_vm_ops = {
Karsten Wiese030a07e2008-07-30 15:13:29 +0200185 .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;
Tobias Hansen4f272342009-09-22 16:52:08 +0200201
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100202 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
203 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
Clemens Ladischa014bba2009-11-16 12:26:30 +0100204 iface = usb_ifnum_to_if(us122l->dev, 0);
Tobias Hansen4f272342009-09-22 16:52:08 +0200205 usb_autopm_get_interface(iface);
206 }
Clemens Ladischa014bba2009-11-16 12:26:30 +0100207 iface = usb_ifnum_to_if(us122l->dev, 1);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200208 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;
Tobias Hansen4f272342009-09-22 16:52:08 +0200215 struct usb_interface *iface;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200216 snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
Tobias Hansen4f272342009-09-22 16:52:08 +0200217
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100218 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
219 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
Clemens Ladischa014bba2009-11-16 12:26:30 +0100220 iface = usb_ifnum_to_if(us122l->dev, 0);
Tobias Hansen4f272342009-09-22 16:52:08 +0200221 usb_autopm_put_interface(iface);
222 }
Clemens Ladischa014bba2009-11-16 12:26:30 +0100223 iface = usb_ifnum_to_if(us122l->dev, 1);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200224 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;
Takashi Iwaiac536a82013-10-14 16:02:15 +0200265 area->vm_flags |= VM_DONTDUMP;
266 if (!read)
267 area->vm_flags |= VM_DONTEXPAND;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200268 area->vm_private_data = us122l;
269 atomic_inc(&us122l->mmap_count);
270out:
271 mutex_unlock(&us122l->mutex);
272 return err;
273}
274
275static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
276 struct file *file, poll_table *wait)
277{
278 struct us122l *us122l = hw->private_data;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200279 unsigned *polled;
280 unsigned int mask;
281
282 poll_wait(file, &us122l->sk.sleep, wait);
283
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100284 mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR;
285 if (mutex_trylock(&us122l->mutex)) {
286 struct usb_stream *s = us122l->sk.s;
287 if (s && s->state == usb_stream_ready) {
288 if (us122l->first == file)
289 polled = &s->periods_polled;
290 else
291 polled = &us122l->second_periods_polled;
292 if (*polled != s->periods_done) {
293 *polled = s->periods_done;
294 mask = POLLIN | POLLOUT | POLLWRNORM;
295 } else
296 mask = 0;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200297 }
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100298 mutex_unlock(&us122l->mutex);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200299 }
300 return mask;
301}
302
303static void us122l_stop(struct us122l *us122l)
304{
305 struct list_head *p;
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100306 list_for_each(p, &us122l->midi_list)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200307 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;
Daniel Mackde48c7b2010-02-22 23:49:13 +0100322 err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
Karsten Wiese030a07e2008-07-30 15:13:29 +0200323 USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
Daniel Mackde48c7b2010-02-22 23:49:13 +0100324 UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200325 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
Clemens Ladischa014bba2009-11-16 12:26:30 +0100339 if (us122l->dev->speed == USB_SPEED_HIGH) {
Karsten Wiese030a07e2008-07-30 15:13:29 +0200340 /* 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 }
Clemens Ladischa014bba2009-11-16 12:26:30 +0100356 if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2,
Karsten Wiese030a07e2008-07-30 15:13:29 +0200357 rate, use_packsize, period_frames, 6))
358 goto out;
359
Clemens Ladischa014bba2009-11-16 12:26:30 +0100360 err = us122l_set_sample_rate(us122l->dev, rate);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200361 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 }
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100372 list_for_each(p, &us122l->midi_list)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200373 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;
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100384 struct usb_stream *s;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200385 unsigned min_period_frames;
386 int err = 0;
387 bool high_speed;
388
389 if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
390 return -ENOTTY;
391
Li Zefan85385c12009-04-10 09:43:59 +0800392 cfg = memdup_user((void *)arg, sizeof(*cfg));
393 if (IS_ERR(cfg))
394 return PTR_ERR(cfg);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200395
Karsten Wiese030a07e2008-07-30 15:13:29 +0200396 if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
397 err = -ENXIO;
398 goto free;
399 }
Clemens Ladischa014bba2009-11-16 12:26:30 +0100400 high_speed = us122l->dev->speed == USB_SPEED_HIGH;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200401 if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 &&
402 (!high_speed ||
403 (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) ||
404 cfg->frame_size != 6 ||
405 cfg->period_frames > 0x3000) {
406 err = -EINVAL;
407 goto free;
408 }
409 switch (cfg->sample_rate) {
410 case 44100:
411 min_period_frames = 48;
412 break;
413 case 48000:
414 min_period_frames = 52;
415 break;
416 default:
417 min_period_frames = 104;
418 break;
419 }
420 if (!high_speed)
421 min_period_frames <<= 1;
422 if (cfg->period_frames < min_period_frames) {
423 err = -EINVAL;
424 goto free;
425 }
426
427 snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
428
429 mutex_lock(&us122l->mutex);
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100430 s = us122l->sk.s;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200431 if (!us122l->master)
432 us122l->master = file;
433 else if (us122l->master != file) {
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100434 if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg))) {
Karsten Wiese030a07e2008-07-30 15:13:29 +0200435 err = -EIO;
436 goto unlock;
437 }
438 us122l->slave = file;
439 }
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100440 if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg)) ||
441 s->state == usb_stream_xrun) {
Karsten Wiese030a07e2008-07-30 15:13:29 +0200442 us122l_stop(us122l);
443 if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames))
444 err = -EIO;
445 else
446 err = 1;
447 }
448unlock:
449 mutex_unlock(&us122l->mutex);
450free:
451 kfree(cfg);
Karsten Wiesecdce2db2011-01-04 01:20:37 +0100452 wake_up_all(&us122l->sk.sleep);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200453 return err;
454}
455
456#define SND_USB_STREAM_ID "USB STREAM"
457static int usb_stream_hwdep_new(struct snd_card *card)
458{
459 int err;
460 struct snd_hwdep *hw;
Clemens Ladischa014bba2009-11-16 12:26:30 +0100461 struct usb_device *dev = US122L(card)->dev;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200462
463 err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw);
464 if (err < 0)
465 return err;
466
467 hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM;
468 hw->private_data = US122L(card);
469 hw->ops.open = usb_stream_hwdep_open;
470 hw->ops.release = usb_stream_hwdep_release;
471 hw->ops.ioctl = usb_stream_hwdep_ioctl;
472 hw->ops.ioctl_compat = usb_stream_hwdep_ioctl;
473 hw->ops.mmap = usb_stream_hwdep_mmap;
474 hw->ops.poll = usb_stream_hwdep_poll;
475
476 sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm",
477 dev->bus->busnum, dev->devnum);
478 return 0;
479}
480
481
482static bool us122l_create_card(struct snd_card *card)
483{
484 int err;
485 struct us122l *us122l = US122L(card);
486
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100487 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
488 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
Clemens Ladischa014bba2009-11-16 12:26:30 +0100489 err = usb_set_interface(us122l->dev, 0, 1);
Tobias Hansen4f272342009-09-22 16:52:08 +0200490 if (err) {
491 snd_printk(KERN_ERR "usb_set_interface error \n");
492 return false;
493 }
494 }
Clemens Ladischa014bba2009-11-16 12:26:30 +0100495 err = usb_set_interface(us122l->dev, 1, 1);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200496 if (err) {
497 snd_printk(KERN_ERR "usb_set_interface error \n");
498 return false;
499 }
500
Clemens Ladischa014bba2009-11-16 12:26:30 +0100501 pt_info_set(us122l->dev, 0x11);
502 pt_info_set(us122l->dev, 0x10);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200503
504 if (!us122l_start(us122l, 44100, 256))
505 return false;
506
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100507 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
508 us122l->dev->descriptor.idProduct == USB_ID_US144MKII)
Tobias Hansen4f272342009-09-22 16:52:08 +0200509 err = us144_create_usbmidi(card);
510 else
511 err = us122l_create_usbmidi(card);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200512 if (err < 0) {
513 snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err);
514 us122l_stop(us122l);
515 return false;
516 }
517 err = usb_stream_hwdep_new(card);
518 if (err < 0) {
519/* release the midi resources */
520 struct list_head *p;
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100521 list_for_each(p, &us122l->midi_list)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200522 snd_usbmidi_disconnect(p);
523
524 us122l_stop(us122l);
525 return false;
526 }
527 return true;
528}
529
Karsten Wiese5d4af1b2009-04-20 13:01:21 +0200530static void snd_us122l_free(struct snd_card *card)
531{
532 struct us122l *us122l = US122L(card);
Clemens Ladischa014bba2009-11-16 12:26:30 +0100533 int index = us122l->card_index;
Karsten Wiese5d4af1b2009-04-20 13:01:21 +0200534 if (index >= 0 && index < SNDRV_CARDS)
535 snd_us122l_card_used[index] = 0;
536}
537
Takashi Iwai874b8d42014-01-29 14:22:20 +0100538static int usx2y_create_card(struct usb_device *device,
539 struct usb_interface *intf,
540 struct snd_card **cardp)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200541{
542 int dev;
543 struct snd_card *card;
Takashi Iwaibd7dd772008-12-28 16:45:02 +0100544 int err;
545
Karsten Wiese030a07e2008-07-30 15:13:29 +0200546 for (dev = 0; dev < SNDRV_CARDS; ++dev)
547 if (enable[dev] && !snd_us122l_card_used[dev])
548 break;
549 if (dev >= SNDRV_CARDS)
Takashi Iwai51721f72008-12-28 16:55:08 +0100550 return -ENODEV;
Takashi Iwai874b8d42014-01-29 14:22:20 +0100551 err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE,
552 sizeof(struct us122l), &card);
Takashi Iwaibd7dd772008-12-28 16:45:02 +0100553 if (err < 0)
Takashi Iwai51721f72008-12-28 16:55:08 +0100554 return err;
Clemens Ladischa014bba2009-11-16 12:26:30 +0100555 snd_us122l_card_used[US122L(card)->card_index = dev] = 1;
Karsten Wiese5d4af1b2009-04-20 13:01:21 +0200556 card->private_free = snd_us122l_free;
Clemens Ladischa014bba2009-11-16 12:26:30 +0100557 US122L(card)->dev = device;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200558 mutex_init(&US122L(card)->mutex);
559 init_waitqueue_head(&US122L(card)->sk.sleep);
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100560 INIT_LIST_HEAD(&US122L(card)->midi_list);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200561 strcpy(card->driver, "USB "NAME_ALLCAPS"");
562 sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
563 sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
564 card->shortname,
565 le16_to_cpu(device->descriptor.idVendor),
566 le16_to_cpu(device->descriptor.idProduct),
567 0,
Clemens Ladischa014bba2009-11-16 12:26:30 +0100568 US122L(card)->dev->bus->busnum,
569 US122L(card)->dev->devnum
Karsten Wiese030a07e2008-07-30 15:13:29 +0200570 );
Takashi Iwai51721f72008-12-28 16:55:08 +0100571 *cardp = card;
572 return 0;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200573}
574
Takashi Iwai51721f72008-12-28 16:55:08 +0100575static int us122l_usb_probe(struct usb_interface *intf,
576 const struct usb_device_id *device_id,
577 struct snd_card **cardp)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200578{
579 struct usb_device *device = interface_to_usbdev(intf);
Takashi Iwai51721f72008-12-28 16:55:08 +0100580 struct snd_card *card;
581 int err;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200582
Takashi Iwai874b8d42014-01-29 14:22:20 +0100583 err = usx2y_create_card(device, intf, &card);
Takashi Iwai51721f72008-12-28 16:55:08 +0100584 if (err < 0)
585 return err;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200586
Takashi Iwai51721f72008-12-28 16:55:08 +0100587 if (!us122l_create_card(card)) {
Karsten Wiese030a07e2008-07-30 15:13:29 +0200588 snd_card_free(card);
Takashi Iwai51721f72008-12-28 16:55:08 +0100589 return -EINVAL;
590 }
591
592 err = snd_card_register(card);
593 if (err < 0) {
594 snd_card_free(card);
595 return err;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200596 }
597
Tobias Hansen4f272342009-09-22 16:52:08 +0200598 usb_get_intf(usb_ifnum_to_if(device, 0));
Karsten Wiese030a07e2008-07-30 15:13:29 +0200599 usb_get_dev(device);
Takashi Iwai51721f72008-12-28 16:55:08 +0100600 *cardp = card;
601 return 0;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200602}
603
604static int snd_us122l_probe(struct usb_interface *intf,
605 const struct usb_device_id *id)
606{
Tobias Hansen4f272342009-09-22 16:52:08 +0200607 struct usb_device *device = interface_to_usbdev(intf);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200608 struct snd_card *card;
Takashi Iwai51721f72008-12-28 16:55:08 +0100609 int err;
610
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100611 if ((device->descriptor.idProduct == USB_ID_US144 ||
612 device->descriptor.idProduct == USB_ID_US144MKII)
Tobias Hansen4f272342009-09-22 16:52:08 +0200613 && device->speed == USB_SPEED_HIGH) {
614 snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
Tobias Hansena688e482009-10-12 16:24:15 +0200615 return -ENODEV;
Tobias Hansen4f272342009-09-22 16:52:08 +0200616 }
617
Karsten Wiese030a07e2008-07-30 15:13:29 +0200618 snd_printdd(KERN_DEBUG"%p:%i\n",
619 intf, intf->cur_altsetting->desc.bInterfaceNumber);
620 if (intf->cur_altsetting->desc.bInterfaceNumber != 1)
621 return 0;
622
Takashi Iwai51721f72008-12-28 16:55:08 +0100623 err = us122l_usb_probe(usb_get_intf(intf), id, &card);
624 if (err < 0) {
625 usb_put_intf(intf);
626 return err;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200627 }
628
Takashi Iwai51721f72008-12-28 16:55:08 +0100629 usb_set_intfdata(intf, card);
630 return 0;
Karsten Wiese030a07e2008-07-30 15:13:29 +0200631}
632
633static void snd_us122l_disconnect(struct usb_interface *intf)
634{
635 struct snd_card *card;
636 struct us122l *us122l;
637 struct list_head *p;
638
639 card = usb_get_intfdata(intf);
640 if (!card)
641 return;
642
643 snd_card_disconnect(card);
644
645 us122l = US122L(card);
646 mutex_lock(&us122l->mutex);
647 us122l_stop(us122l);
648 mutex_unlock(&us122l->mutex);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200649
650/* release the midi resources */
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100651 list_for_each(p, &us122l->midi_list) {
Karsten Wiese030a07e2008-07-30 15:13:29 +0200652 snd_usbmidi_disconnect(p);
653 }
654
Clemens Ladischa014bba2009-11-16 12:26:30 +0100655 usb_put_intf(usb_ifnum_to_if(us122l->dev, 0));
656 usb_put_intf(usb_ifnum_to_if(us122l->dev, 1));
657 usb_put_dev(us122l->dev);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200658
659 while (atomic_read(&us122l->mmap_count))
660 msleep(500);
661
662 snd_card_free(card);
663}
664
665static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message)
666{
667 struct snd_card *card;
668 struct us122l *us122l;
669 struct list_head *p;
670
Julia Lawallf4e97492009-01-01 18:14:35 +0100671 card = usb_get_intfdata(intf);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200672 if (!card)
673 return 0;
674 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
675
676 us122l = US122L(card);
677 if (!us122l)
678 return 0;
679
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100680 list_for_each(p, &us122l->midi_list)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200681 snd_usbmidi_input_stop(p);
682
683 mutex_lock(&us122l->mutex);
684 usb_stream_stop(&us122l->sk);
685 mutex_unlock(&us122l->mutex);
686
687 return 0;
688}
689
690static int snd_us122l_resume(struct usb_interface *intf)
691{
692 struct snd_card *card;
693 struct us122l *us122l;
694 struct list_head *p;
695 int err;
696
Julia Lawallf4e97492009-01-01 18:14:35 +0100697 card = usb_get_intfdata(intf);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200698 if (!card)
699 return 0;
700
701 us122l = US122L(card);
702 if (!us122l)
703 return 0;
704
705 mutex_lock(&us122l->mutex);
706 /* needed, doesn't restart without: */
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100707 if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
708 us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
Clemens Ladischa014bba2009-11-16 12:26:30 +0100709 err = usb_set_interface(us122l->dev, 0, 1);
Tobias Hansen4f272342009-09-22 16:52:08 +0200710 if (err) {
711 snd_printk(KERN_ERR "usb_set_interface error \n");
712 goto unlock;
713 }
714 }
Clemens Ladischa014bba2009-11-16 12:26:30 +0100715 err = usb_set_interface(us122l->dev, 1, 1);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200716 if (err) {
717 snd_printk(KERN_ERR "usb_set_interface error \n");
718 goto unlock;
719 }
720
Clemens Ladischa014bba2009-11-16 12:26:30 +0100721 pt_info_set(us122l->dev, 0x11);
722 pt_info_set(us122l->dev, 0x10);
Karsten Wiese030a07e2008-07-30 15:13:29 +0200723
Clemens Ladischa014bba2009-11-16 12:26:30 +0100724 err = us122l_set_sample_rate(us122l->dev,
Karsten Wiese030a07e2008-07-30 15:13:29 +0200725 us122l->sk.s->cfg.sample_rate);
726 if (err < 0) {
727 snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
728 goto unlock;
729 }
730 err = usb_stream_start(&us122l->sk);
731 if (err)
732 goto unlock;
733
Clemens Ladischd82af9f2009-11-16 12:23:46 +0100734 list_for_each(p, &us122l->midi_list)
Karsten Wiese030a07e2008-07-30 15:13:29 +0200735 snd_usbmidi_input_start(p);
736unlock:
737 mutex_unlock(&us122l->mutex);
738 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
739 return err;
740}
741
742static struct usb_device_id snd_us122l_usb_id_table[] = {
743 {
744 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
745 .idVendor = 0x0644,
746 .idProduct = USB_ID_US122L
747 },
Tobias Hansen4f272342009-09-22 16:52:08 +0200748 { /* US-144 only works at USB1.1! Disable module ehci-hcd. */
749 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
750 .idVendor = 0x0644,
751 .idProduct = USB_ID_US144
752 },
Tobias Hansen2b6f6c02009-12-07 19:08:19 +0100753 {
754 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
755 .idVendor = 0x0644,
756 .idProduct = USB_ID_US122MKII
757 },
758 {
759 .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
760 .idVendor = 0x0644,
761 .idProduct = USB_ID_US144MKII
762 },
Karsten Wiese030a07e2008-07-30 15:13:29 +0200763 { /* terminator */ }
764};
765
766MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table);
767static struct usb_driver snd_us122l_usb_driver = {
768 .name = "snd-usb-us122l",
769 .probe = snd_us122l_probe,
770 .disconnect = snd_us122l_disconnect,
771 .suspend = snd_us122l_suspend,
772 .resume = snd_us122l_resume,
773 .reset_resume = snd_us122l_resume,
774 .id_table = snd_us122l_usb_id_table,
775 .supports_autosuspend = 1
776};
777
Greg Kroah-Hartman424f0752011-11-18 09:50:44 -0800778module_usb_driver(snd_us122l_usb_driver);