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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 | ||
19 | #include <sound/core.h> | |
20 | #include <sound/hwdep.h> | |
21 | #include <sound/pcm.h> | |
22 | #include <sound/initval.h> | |
23 | #define MODNAME "US122L" | |
24 | #include "usb_stream.c" | |
25 | #include "../usbaudio.h" | |
26 | #include "us122l.h" | |
27 | ||
28 | MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>"); | |
29 | MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5"); | |
30 | MODULE_LICENSE("GPL"); | |
31 | ||
32 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ | |
33 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ | |
34 | /* Enable this card */ | |
35 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | |
36 | ||
37 | module_param_array(index, int, NULL, 0444); | |
38 | MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); | |
39 | module_param_array(id, charp, NULL, 0444); | |
40 | MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); | |
41 | module_param_array(enable, bool, NULL, 0444); | |
42 | MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); | |
43 | ||
44 | static int snd_us122l_card_used[SNDRV_CARDS]; | |
45 | ||
46 | ||
47 | static int us122l_create_usbmidi(struct snd_card *card) | |
48 | { | |
49 | static struct snd_usb_midi_endpoint_info quirk_data = { | |
50 | .out_ep = 4, | |
51 | .in_ep = 3, | |
52 | .out_cables = 0x001, | |
53 | .in_cables = 0x001 | |
54 | }; | |
55 | static struct snd_usb_audio_quirk quirk = { | |
56 | .vendor_name = "US122L", | |
57 | .product_name = NAME_ALLCAPS, | |
58 | .ifnum = 1, | |
59 | .type = QUIRK_MIDI_US122L, | |
60 | .data = &quirk_data | |
61 | }; | |
62 | struct usb_device *dev = US122L(card)->chip.dev; | |
63 | struct usb_interface *iface = usb_ifnum_to_if(dev, 1); | |
64 | ||
65 | return snd_usb_create_midi_interface(&US122L(card)->chip, | |
66 | iface, &quirk); | |
67 | } | |
68 | ||
69 | /* | |
70 | * Wrapper for usb_control_msg(). | |
71 | * Allocates a temp buffer to prevent dmaing from/to the stack. | |
72 | */ | |
73 | static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe, | |
74 | __u8 request, __u8 requesttype, | |
75 | __u16 value, __u16 index, void *data, | |
76 | __u16 size, int timeout) | |
77 | { | |
78 | int err; | |
79 | void *buf = NULL; | |
80 | ||
81 | if (size > 0) { | |
82 | buf = kmemdup(data, size, GFP_KERNEL); | |
83 | if (!buf) | |
84 | return -ENOMEM; | |
85 | } | |
86 | err = usb_control_msg(dev, pipe, request, requesttype, | |
87 | value, index, buf, size, timeout); | |
88 | if (size > 0) { | |
89 | memcpy(data, buf, size); | |
90 | kfree(buf); | |
91 | } | |
92 | return err; | |
93 | } | |
94 | ||
95 | static void pt_info_set(struct usb_device *dev, u8 v) | |
96 | { | |
97 | int ret; | |
98 | ||
99 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
100 | 'I', | |
101 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
102 | v, 0, NULL, 0, 1000); | |
103 | snd_printdd(KERN_DEBUG "%i\n", ret); | |
104 | } | |
105 | ||
106 | static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) | |
107 | { | |
108 | struct us122l *us122l = area->vm_private_data; | |
109 | atomic_inc(&us122l->mmap_count); | |
110 | snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); | |
111 | } | |
112 | ||
113 | static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area, | |
114 | struct vm_fault *vmf) | |
115 | { | |
116 | unsigned long offset; | |
117 | struct page *page; | |
118 | void *vaddr; | |
119 | struct us122l *us122l = area->vm_private_data; | |
120 | struct usb_stream *s; | |
030a07e4 KW |
121 | |
122 | mutex_lock(&us122l->mutex); | |
123 | s = us122l->sk.s; | |
124 | if (!s) | |
428ffb71 | 125 | goto unlock; |
030a07e4 KW |
126 | |
127 | offset = vmf->pgoff << PAGE_SHIFT; | |
128 | if (offset < PAGE_ALIGN(s->read_size)) | |
129 | vaddr = (char *)s + offset; | |
130 | else { | |
131 | offset -= PAGE_ALIGN(s->read_size); | |
132 | if (offset >= PAGE_ALIGN(s->write_size)) | |
428ffb71 | 133 | goto unlock; |
030a07e4 KW |
134 | |
135 | vaddr = us122l->sk.write_page + offset; | |
136 | } | |
137 | page = virt_to_page(vaddr); | |
138 | ||
139 | get_page(page); | |
140 | mutex_unlock(&us122l->mutex); | |
141 | ||
142 | vmf->page = page; | |
428ffb71 LZ |
143 | |
144 | return 0; | |
145 | unlock: | |
146 | mutex_unlock(&us122l->mutex); | |
147 | return VM_FAULT_SIGBUS; | |
030a07e4 KW |
148 | } |
149 | ||
150 | static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) | |
151 | { | |
152 | struct us122l *us122l = area->vm_private_data; | |
153 | atomic_dec(&us122l->mmap_count); | |
154 | snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); | |
155 | } | |
156 | ||
157 | static struct vm_operations_struct usb_stream_hwdep_vm_ops = { | |
158 | .open = usb_stream_hwdep_vm_open, | |
159 | .fault = usb_stream_hwdep_vm_fault, | |
160 | .close = usb_stream_hwdep_vm_close, | |
161 | }; | |
162 | ||
163 | ||
164 | static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) | |
165 | { | |
166 | struct us122l *us122l = hw->private_data; | |
167 | struct usb_interface *iface; | |
168 | snd_printdd(KERN_DEBUG "%p %p\n", hw, file); | |
169 | if (hw->used >= 2) | |
170 | return -EBUSY; | |
171 | ||
172 | if (!us122l->first) | |
173 | us122l->first = file; | |
174 | iface = usb_ifnum_to_if(us122l->chip.dev, 1); | |
175 | usb_autopm_get_interface(iface); | |
176 | return 0; | |
177 | } | |
178 | ||
179 | static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) | |
180 | { | |
181 | struct us122l *us122l = hw->private_data; | |
182 | struct usb_interface *iface = usb_ifnum_to_if(us122l->chip.dev, 1); | |
183 | snd_printdd(KERN_DEBUG "%p %p\n", hw, file); | |
184 | usb_autopm_put_interface(iface); | |
185 | if (us122l->first == file) | |
186 | us122l->first = NULL; | |
187 | mutex_lock(&us122l->mutex); | |
188 | if (us122l->master == file) | |
189 | us122l->master = us122l->slave; | |
190 | ||
191 | us122l->slave = NULL; | |
192 | mutex_unlock(&us122l->mutex); | |
193 | return 0; | |
194 | } | |
195 | ||
196 | static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, | |
197 | struct file *filp, struct vm_area_struct *area) | |
198 | { | |
199 | unsigned long size = area->vm_end - area->vm_start; | |
200 | struct us122l *us122l = hw->private_data; | |
201 | unsigned long offset; | |
202 | struct usb_stream *s; | |
203 | int err = 0; | |
204 | bool read; | |
205 | ||
206 | offset = area->vm_pgoff << PAGE_SHIFT; | |
207 | mutex_lock(&us122l->mutex); | |
208 | s = us122l->sk.s; | |
209 | read = offset < s->read_size; | |
210 | if (read && area->vm_flags & VM_WRITE) { | |
211 | err = -EPERM; | |
212 | goto out; | |
213 | } | |
214 | snd_printdd(KERN_DEBUG "%lu %u\n", size, | |
215 | read ? s->read_size : s->write_size); | |
216 | /* if userspace tries to mmap beyond end of our buffer, fail */ | |
217 | if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) { | |
218 | snd_printk(KERN_WARNING "%lu > %u\n", size, | |
219 | read ? s->read_size : s->write_size); | |
220 | err = -EINVAL; | |
221 | goto out; | |
222 | } | |
223 | ||
224 | area->vm_ops = &usb_stream_hwdep_vm_ops; | |
225 | area->vm_flags |= VM_RESERVED; | |
226 | area->vm_private_data = us122l; | |
227 | atomic_inc(&us122l->mmap_count); | |
228 | out: | |
229 | mutex_unlock(&us122l->mutex); | |
230 | return err; | |
231 | } | |
232 | ||
233 | static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw, | |
234 | struct file *file, poll_table *wait) | |
235 | { | |
236 | struct us122l *us122l = hw->private_data; | |
237 | struct usb_stream *s = us122l->sk.s; | |
238 | unsigned *polled; | |
239 | unsigned int mask; | |
240 | ||
241 | poll_wait(file, &us122l->sk.sleep, wait); | |
242 | ||
243 | switch (s->state) { | |
244 | case usb_stream_ready: | |
245 | if (us122l->first == file) | |
246 | polled = &s->periods_polled; | |
247 | else | |
248 | polled = &us122l->second_periods_polled; | |
249 | if (*polled != s->periods_done) { | |
250 | *polled = s->periods_done; | |
251 | mask = POLLIN | POLLOUT | POLLWRNORM; | |
252 | break; | |
253 | } | |
254 | /* Fall through */ | |
255 | mask = 0; | |
256 | break; | |
257 | default: | |
258 | mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR; | |
259 | break; | |
260 | } | |
261 | return mask; | |
262 | } | |
263 | ||
264 | static void us122l_stop(struct us122l *us122l) | |
265 | { | |
266 | struct list_head *p; | |
267 | list_for_each(p, &us122l->chip.midi_list) | |
268 | snd_usbmidi_input_stop(p); | |
269 | ||
270 | usb_stream_stop(&us122l->sk); | |
271 | usb_stream_free(&us122l->sk); | |
272 | } | |
273 | ||
274 | static int us122l_set_sample_rate(struct usb_device *dev, int rate) | |
275 | { | |
276 | unsigned int ep = 0x81; | |
277 | unsigned char data[3]; | |
278 | int err; | |
279 | ||
280 | data[0] = rate; | |
281 | data[1] = rate >> 8; | |
282 | data[2] = rate >> 16; | |
283 | err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR, | |
284 | USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, | |
285 | SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000); | |
286 | if (err < 0) | |
287 | snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", | |
288 | dev->devnum, rate, ep); | |
289 | return err; | |
290 | } | |
291 | ||
292 | static bool us122l_start(struct us122l *us122l, | |
293 | unsigned rate, unsigned period_frames) | |
294 | { | |
295 | struct list_head *p; | |
296 | int err; | |
297 | unsigned use_packsize = 0; | |
298 | bool success = false; | |
299 | ||
300 | if (us122l->chip.dev->speed == USB_SPEED_HIGH) { | |
301 | /* The us-122l's descriptor defaults to iso max_packsize 78, | |
302 | which isn't needed for samplerates <= 48000. | |
303 | Lets save some memory: | |
304 | */ | |
305 | switch (rate) { | |
306 | case 44100: | |
307 | use_packsize = 36; | |
308 | break; | |
309 | case 48000: | |
310 | use_packsize = 42; | |
311 | break; | |
312 | case 88200: | |
313 | use_packsize = 72; | |
314 | break; | |
315 | } | |
316 | } | |
317 | if (!usb_stream_new(&us122l->sk, us122l->chip.dev, 1, 2, | |
318 | rate, use_packsize, period_frames, 6)) | |
319 | goto out; | |
320 | ||
321 | err = us122l_set_sample_rate(us122l->chip.dev, rate); | |
322 | if (err < 0) { | |
323 | us122l_stop(us122l); | |
324 | snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); | |
325 | goto out; | |
326 | } | |
327 | err = usb_stream_start(&us122l->sk); | |
328 | if (err < 0) { | |
329 | us122l_stop(us122l); | |
330 | snd_printk(KERN_ERR "us122l_start error %i \n", err); | |
331 | goto out; | |
332 | } | |
333 | list_for_each(p, &us122l->chip.midi_list) | |
334 | snd_usbmidi_input_start(p); | |
335 | success = true; | |
336 | out: | |
337 | return success; | |
338 | } | |
339 | ||
340 | static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, | |
341 | unsigned cmd, unsigned long arg) | |
342 | { | |
343 | struct usb_stream_config *cfg; | |
344 | struct us122l *us122l = hw->private_data; | |
345 | unsigned min_period_frames; | |
346 | int err = 0; | |
347 | bool high_speed; | |
348 | ||
349 | if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) | |
350 | return -ENOTTY; | |
351 | ||
85385c15 LZ |
352 | cfg = memdup_user((void *)arg, sizeof(*cfg)); |
353 | if (IS_ERR(cfg)) | |
354 | return PTR_ERR(cfg); | |
030a07e4 | 355 | |
030a07e4 KW |
356 | if (cfg->version != USB_STREAM_INTERFACE_VERSION) { |
357 | err = -ENXIO; | |
358 | goto free; | |
359 | } | |
360 | high_speed = us122l->chip.dev->speed == USB_SPEED_HIGH; | |
361 | if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 && | |
362 | (!high_speed || | |
363 | (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) || | |
364 | cfg->frame_size != 6 || | |
365 | cfg->period_frames > 0x3000) { | |
366 | err = -EINVAL; | |
367 | goto free; | |
368 | } | |
369 | switch (cfg->sample_rate) { | |
370 | case 44100: | |
371 | min_period_frames = 48; | |
372 | break; | |
373 | case 48000: | |
374 | min_period_frames = 52; | |
375 | break; | |
376 | default: | |
377 | min_period_frames = 104; | |
378 | break; | |
379 | } | |
380 | if (!high_speed) | |
381 | min_period_frames <<= 1; | |
382 | if (cfg->period_frames < min_period_frames) { | |
383 | err = -EINVAL; | |
384 | goto free; | |
385 | } | |
386 | ||
387 | snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); | |
388 | ||
389 | mutex_lock(&us122l->mutex); | |
390 | if (!us122l->master) | |
391 | us122l->master = file; | |
392 | else if (us122l->master != file) { | |
393 | if (memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg))) { | |
394 | err = -EIO; | |
395 | goto unlock; | |
396 | } | |
397 | us122l->slave = file; | |
398 | } | |
399 | if (!us122l->sk.s || | |
400 | memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg)) || | |
401 | us122l->sk.s->state == usb_stream_xrun) { | |
402 | us122l_stop(us122l); | |
403 | if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames)) | |
404 | err = -EIO; | |
405 | else | |
406 | err = 1; | |
407 | } | |
408 | unlock: | |
409 | mutex_unlock(&us122l->mutex); | |
410 | free: | |
411 | kfree(cfg); | |
412 | return err; | |
413 | } | |
414 | ||
415 | #define SND_USB_STREAM_ID "USB STREAM" | |
416 | static int usb_stream_hwdep_new(struct snd_card *card) | |
417 | { | |
418 | int err; | |
419 | struct snd_hwdep *hw; | |
420 | struct usb_device *dev = US122L(card)->chip.dev; | |
421 | ||
422 | err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw); | |
423 | if (err < 0) | |
424 | return err; | |
425 | ||
426 | hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM; | |
427 | hw->private_data = US122L(card); | |
428 | hw->ops.open = usb_stream_hwdep_open; | |
429 | hw->ops.release = usb_stream_hwdep_release; | |
430 | hw->ops.ioctl = usb_stream_hwdep_ioctl; | |
431 | hw->ops.ioctl_compat = usb_stream_hwdep_ioctl; | |
432 | hw->ops.mmap = usb_stream_hwdep_mmap; | |
433 | hw->ops.poll = usb_stream_hwdep_poll; | |
434 | ||
435 | sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", | |
436 | dev->bus->busnum, dev->devnum); | |
437 | return 0; | |
438 | } | |
439 | ||
440 | ||
441 | static bool us122l_create_card(struct snd_card *card) | |
442 | { | |
443 | int err; | |
444 | struct us122l *us122l = US122L(card); | |
445 | ||
446 | err = usb_set_interface(us122l->chip.dev, 1, 1); | |
447 | if (err) { | |
448 | snd_printk(KERN_ERR "usb_set_interface error \n"); | |
449 | return false; | |
450 | } | |
451 | ||
452 | pt_info_set(us122l->chip.dev, 0x11); | |
453 | pt_info_set(us122l->chip.dev, 0x10); | |
454 | ||
455 | if (!us122l_start(us122l, 44100, 256)) | |
456 | return false; | |
457 | ||
458 | err = us122l_create_usbmidi(card); | |
459 | if (err < 0) { | |
460 | snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); | |
461 | us122l_stop(us122l); | |
462 | return false; | |
463 | } | |
464 | err = usb_stream_hwdep_new(card); | |
465 | if (err < 0) { | |
466 | /* release the midi resources */ | |
467 | struct list_head *p; | |
468 | list_for_each(p, &us122l->chip.midi_list) | |
469 | snd_usbmidi_disconnect(p); | |
470 | ||
471 | us122l_stop(us122l); | |
472 | return false; | |
473 | } | |
474 | return true; | |
475 | } | |
476 | ||
5d4af1be KW |
477 | static void snd_us122l_free(struct snd_card *card) |
478 | { | |
479 | struct us122l *us122l = US122L(card); | |
480 | int index = us122l->chip.index; | |
481 | if (index >= 0 && index < SNDRV_CARDS) | |
482 | snd_us122l_card_used[index] = 0; | |
483 | } | |
484 | ||
51721f70 | 485 | static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp) |
030a07e4 KW |
486 | { |
487 | int dev; | |
488 | struct snd_card *card; | |
bd7dd77c TI |
489 | int err; |
490 | ||
030a07e4 KW |
491 | for (dev = 0; dev < SNDRV_CARDS; ++dev) |
492 | if (enable[dev] && !snd_us122l_card_used[dev]) | |
493 | break; | |
494 | if (dev >= SNDRV_CARDS) | |
51721f70 | 495 | return -ENODEV; |
bd7dd77c TI |
496 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, |
497 | sizeof(struct us122l), &card); | |
498 | if (err < 0) | |
51721f70 | 499 | return err; |
030a07e4 | 500 | snd_us122l_card_used[US122L(card)->chip.index = dev] = 1; |
5d4af1be | 501 | card->private_free = snd_us122l_free; |
030a07e4 KW |
502 | US122L(card)->chip.dev = device; |
503 | US122L(card)->chip.card = card; | |
504 | mutex_init(&US122L(card)->mutex); | |
505 | init_waitqueue_head(&US122L(card)->sk.sleep); | |
506 | INIT_LIST_HEAD(&US122L(card)->chip.midi_list); | |
507 | strcpy(card->driver, "USB "NAME_ALLCAPS""); | |
508 | sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); | |
509 | sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", | |
510 | card->shortname, | |
511 | le16_to_cpu(device->descriptor.idVendor), | |
512 | le16_to_cpu(device->descriptor.idProduct), | |
513 | 0, | |
514 | US122L(card)->chip.dev->bus->busnum, | |
515 | US122L(card)->chip.dev->devnum | |
516 | ); | |
51721f70 TI |
517 | *cardp = card; |
518 | return 0; | |
030a07e4 KW |
519 | } |
520 | ||
51721f70 TI |
521 | static int us122l_usb_probe(struct usb_interface *intf, |
522 | const struct usb_device_id *device_id, | |
523 | struct snd_card **cardp) | |
030a07e4 KW |
524 | { |
525 | struct usb_device *device = interface_to_usbdev(intf); | |
51721f70 TI |
526 | struct snd_card *card; |
527 | int err; | |
030a07e4 | 528 | |
51721f70 TI |
529 | err = usx2y_create_card(device, &card); |
530 | if (err < 0) | |
531 | return err; | |
030a07e4 | 532 | |
3f5d3465 | 533 | snd_card_set_dev(card, &intf->dev); |
51721f70 | 534 | if (!us122l_create_card(card)) { |
030a07e4 | 535 | snd_card_free(card); |
51721f70 TI |
536 | return -EINVAL; |
537 | } | |
538 | ||
539 | err = snd_card_register(card); | |
540 | if (err < 0) { | |
541 | snd_card_free(card); | |
542 | return err; | |
030a07e4 KW |
543 | } |
544 | ||
545 | usb_get_dev(device); | |
51721f70 TI |
546 | *cardp = card; |
547 | return 0; | |
030a07e4 KW |
548 | } |
549 | ||
550 | static int snd_us122l_probe(struct usb_interface *intf, | |
551 | const struct usb_device_id *id) | |
552 | { | |
553 | struct snd_card *card; | |
51721f70 TI |
554 | int err; |
555 | ||
030a07e4 KW |
556 | snd_printdd(KERN_DEBUG"%p:%i\n", |
557 | intf, intf->cur_altsetting->desc.bInterfaceNumber); | |
558 | if (intf->cur_altsetting->desc.bInterfaceNumber != 1) | |
559 | return 0; | |
560 | ||
51721f70 TI |
561 | err = us122l_usb_probe(usb_get_intf(intf), id, &card); |
562 | if (err < 0) { | |
563 | usb_put_intf(intf); | |
564 | return err; | |
030a07e4 KW |
565 | } |
566 | ||
51721f70 TI |
567 | usb_set_intfdata(intf, card); |
568 | return 0; | |
030a07e4 KW |
569 | } |
570 | ||
571 | static void snd_us122l_disconnect(struct usb_interface *intf) | |
572 | { | |
573 | struct snd_card *card; | |
574 | struct us122l *us122l; | |
575 | struct list_head *p; | |
576 | ||
577 | card = usb_get_intfdata(intf); | |
578 | if (!card) | |
579 | return; | |
580 | ||
581 | snd_card_disconnect(card); | |
582 | ||
583 | us122l = US122L(card); | |
584 | mutex_lock(&us122l->mutex); | |
585 | us122l_stop(us122l); | |
586 | mutex_unlock(&us122l->mutex); | |
587 | us122l->chip.shutdown = 1; | |
588 | ||
589 | /* release the midi resources */ | |
590 | list_for_each(p, &us122l->chip.midi_list) { | |
591 | snd_usbmidi_disconnect(p); | |
592 | } | |
593 | ||
594 | usb_put_intf(intf); | |
5d4af1be | 595 | usb_put_dev(us122l->chip.dev); |
030a07e4 KW |
596 | |
597 | while (atomic_read(&us122l->mmap_count)) | |
598 | msleep(500); | |
599 | ||
600 | snd_card_free(card); | |
601 | } | |
602 | ||
603 | static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) | |
604 | { | |
605 | struct snd_card *card; | |
606 | struct us122l *us122l; | |
607 | struct list_head *p; | |
608 | ||
f4e9749f | 609 | card = usb_get_intfdata(intf); |
030a07e4 KW |
610 | if (!card) |
611 | return 0; | |
612 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | |
613 | ||
614 | us122l = US122L(card); | |
615 | if (!us122l) | |
616 | return 0; | |
617 | ||
618 | list_for_each(p, &us122l->chip.midi_list) | |
619 | snd_usbmidi_input_stop(p); | |
620 | ||
621 | mutex_lock(&us122l->mutex); | |
622 | usb_stream_stop(&us122l->sk); | |
623 | mutex_unlock(&us122l->mutex); | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | static int snd_us122l_resume(struct usb_interface *intf) | |
629 | { | |
630 | struct snd_card *card; | |
631 | struct us122l *us122l; | |
632 | struct list_head *p; | |
633 | int err; | |
634 | ||
f4e9749f | 635 | card = usb_get_intfdata(intf); |
030a07e4 KW |
636 | if (!card) |
637 | return 0; | |
638 | ||
639 | us122l = US122L(card); | |
640 | if (!us122l) | |
641 | return 0; | |
642 | ||
643 | mutex_lock(&us122l->mutex); | |
644 | /* needed, doesn't restart without: */ | |
645 | err = usb_set_interface(us122l->chip.dev, 1, 1); | |
646 | if (err) { | |
647 | snd_printk(KERN_ERR "usb_set_interface error \n"); | |
648 | goto unlock; | |
649 | } | |
650 | ||
651 | pt_info_set(us122l->chip.dev, 0x11); | |
652 | pt_info_set(us122l->chip.dev, 0x10); | |
653 | ||
654 | err = us122l_set_sample_rate(us122l->chip.dev, | |
655 | us122l->sk.s->cfg.sample_rate); | |
656 | if (err < 0) { | |
657 | snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); | |
658 | goto unlock; | |
659 | } | |
660 | err = usb_stream_start(&us122l->sk); | |
661 | if (err) | |
662 | goto unlock; | |
663 | ||
664 | list_for_each(p, &us122l->chip.midi_list) | |
665 | snd_usbmidi_input_start(p); | |
666 | unlock: | |
667 | mutex_unlock(&us122l->mutex); | |
668 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
669 | return err; | |
670 | } | |
671 | ||
672 | static struct usb_device_id snd_us122l_usb_id_table[] = { | |
673 | { | |
674 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, | |
675 | .idVendor = 0x0644, | |
676 | .idProduct = USB_ID_US122L | |
677 | }, | |
678 | /* { */ /* US-144 maybe works when @USB1.1. Untested. */ | |
679 | /* .match_flags = USB_DEVICE_ID_MATCH_DEVICE, */ | |
680 | /* .idVendor = 0x0644, */ | |
681 | /* .idProduct = USB_ID_US144 */ | |
682 | /* }, */ | |
683 | { /* terminator */ } | |
684 | }; | |
685 | ||
686 | MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); | |
687 | static struct usb_driver snd_us122l_usb_driver = { | |
688 | .name = "snd-usb-us122l", | |
689 | .probe = snd_us122l_probe, | |
690 | .disconnect = snd_us122l_disconnect, | |
691 | .suspend = snd_us122l_suspend, | |
692 | .resume = snd_us122l_resume, | |
693 | .reset_resume = snd_us122l_resume, | |
694 | .id_table = snd_us122l_usb_id_table, | |
695 | .supports_autosuspend = 1 | |
696 | }; | |
697 | ||
698 | ||
699 | static int __init snd_us122l_module_init(void) | |
700 | { | |
701 | return usb_register(&snd_us122l_usb_driver); | |
702 | } | |
703 | ||
704 | static void __exit snd_us122l_module_exit(void) | |
705 | { | |
706 | usb_deregister(&snd_us122l_usb_driver); | |
707 | } | |
708 | ||
709 | module_init(snd_us122l_module_init) | |
710 | module_exit(snd_us122l_module_exit) |