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Commit | Line | Data |
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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 | ||
5a0e3ad6 | 19 | #include <linux/slab.h> |
de48c7bc DM |
20 | #include <linux/usb.h> |
21 | #include <linux/usb/audio.h> | |
da155d5b | 22 | #include <linux/module.h> |
030a07e4 KW |
23 | #include <sound/core.h> |
24 | #include <sound/hwdep.h> | |
25 | #include <sound/pcm.h> | |
26 | #include <sound/initval.h> | |
27 | #define MODNAME "US122L" | |
28 | #include "usb_stream.c" | |
29 | #include "../usbaudio.h" | |
e5779998 | 30 | #include "../midi.h" |
030a07e4 KW |
31 | #include "us122l.h" |
32 | ||
33 | MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>"); | |
34 | MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5"); | |
35 | MODULE_LICENSE("GPL"); | |
36 | ||
37 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ | |
38 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ | |
39 | /* Enable this card */ | |
a67ff6a5 | 40 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
030a07e4 KW |
41 | |
42 | module_param_array(index, int, NULL, 0444); | |
43 | MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); | |
44 | module_param_array(id, charp, NULL, 0444); | |
45 | MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); | |
46 | module_param_array(enable, bool, NULL, 0444); | |
47 | MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); | |
48 | ||
5c7e7d58 JH |
49 | /* driver_info flags */ |
50 | #define US122L_FLAG_US144 BIT(0) | |
030a07e4 | 51 | |
5c7e7d58 | 52 | static int snd_us122l_card_used[SNDRV_CARDS]; |
030a07e4 KW |
53 | |
54 | static int us122l_create_usbmidi(struct snd_card *card) | |
55 | { | |
56 | static struct snd_usb_midi_endpoint_info quirk_data = { | |
57 | .out_ep = 4, | |
58 | .in_ep = 3, | |
59 | .out_cables = 0x001, | |
60 | .in_cables = 0x001 | |
61 | }; | |
62 | static struct snd_usb_audio_quirk quirk = { | |
63 | .vendor_name = "US122L", | |
64 | .product_name = NAME_ALLCAPS, | |
65 | .ifnum = 1, | |
66 | .type = QUIRK_MIDI_US122L, | |
67 | .data = &quirk_data | |
68 | }; | |
a014bbad | 69 | struct usb_device *dev = US122L(card)->dev; |
030a07e4 KW |
70 | struct usb_interface *iface = usb_ifnum_to_if(dev, 1); |
71 | ||
d82af9f9 CL |
72 | return snd_usbmidi_create(card, iface, |
73 | &US122L(card)->midi_list, &quirk); | |
030a07e4 KW |
74 | } |
75 | ||
4f272341 TH |
76 | static int us144_create_usbmidi(struct snd_card *card) |
77 | { | |
78 | static struct snd_usb_midi_endpoint_info quirk_data = { | |
79 | .out_ep = 4, | |
80 | .in_ep = 3, | |
81 | .out_cables = 0x001, | |
82 | .in_cables = 0x001 | |
83 | }; | |
84 | static struct snd_usb_audio_quirk quirk = { | |
85 | .vendor_name = "US144", | |
86 | .product_name = NAME_ALLCAPS, | |
87 | .ifnum = 0, | |
88 | .type = QUIRK_MIDI_US122L, | |
89 | .data = &quirk_data | |
90 | }; | |
a014bbad | 91 | struct usb_device *dev = US122L(card)->dev; |
4f272341 TH |
92 | struct usb_interface *iface = usb_ifnum_to_if(dev, 0); |
93 | ||
d82af9f9 CL |
94 | return snd_usbmidi_create(card, iface, |
95 | &US122L(card)->midi_list, &quirk); | |
4f272341 TH |
96 | } |
97 | ||
030a07e4 KW |
98 | /* |
99 | * Wrapper for usb_control_msg(). | |
100 | * Allocates a temp buffer to prevent dmaing from/to the stack. | |
101 | */ | |
102 | static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe, | |
103 | __u8 request, __u8 requesttype, | |
104 | __u16 value, __u16 index, void *data, | |
105 | __u16 size, int timeout) | |
106 | { | |
107 | int err; | |
108 | void *buf = NULL; | |
109 | ||
110 | if (size > 0) { | |
111 | buf = kmemdup(data, size, GFP_KERNEL); | |
112 | if (!buf) | |
113 | return -ENOMEM; | |
114 | } | |
115 | err = usb_control_msg(dev, pipe, request, requesttype, | |
116 | value, index, buf, size, timeout); | |
117 | if (size > 0) { | |
118 | memcpy(data, buf, size); | |
119 | kfree(buf); | |
120 | } | |
121 | return err; | |
122 | } | |
123 | ||
124 | static void pt_info_set(struct usb_device *dev, u8 v) | |
125 | { | |
126 | int ret; | |
127 | ||
128 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
129 | 'I', | |
130 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
131 | v, 0, NULL, 0, 1000); | |
132 | snd_printdd(KERN_DEBUG "%i\n", ret); | |
133 | } | |
134 | ||
135 | static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) | |
136 | { | |
137 | struct us122l *us122l = area->vm_private_data; | |
138 | atomic_inc(&us122l->mmap_count); | |
139 | snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); | |
140 | } | |
141 | ||
11bac800 | 142 | static int usb_stream_hwdep_vm_fault(struct vm_fault *vmf) |
030a07e4 KW |
143 | { |
144 | unsigned long offset; | |
145 | struct page *page; | |
146 | void *vaddr; | |
11bac800 | 147 | struct us122l *us122l = vmf->vma->vm_private_data; |
030a07e4 | 148 | struct usb_stream *s; |
030a07e4 KW |
149 | |
150 | mutex_lock(&us122l->mutex); | |
151 | s = us122l->sk.s; | |
152 | if (!s) | |
428ffb71 | 153 | goto unlock; |
030a07e4 KW |
154 | |
155 | offset = vmf->pgoff << PAGE_SHIFT; | |
156 | if (offset < PAGE_ALIGN(s->read_size)) | |
157 | vaddr = (char *)s + offset; | |
158 | else { | |
159 | offset -= PAGE_ALIGN(s->read_size); | |
160 | if (offset >= PAGE_ALIGN(s->write_size)) | |
428ffb71 | 161 | goto unlock; |
030a07e4 KW |
162 | |
163 | vaddr = us122l->sk.write_page + offset; | |
164 | } | |
165 | page = virt_to_page(vaddr); | |
166 | ||
167 | get_page(page); | |
168 | mutex_unlock(&us122l->mutex); | |
169 | ||
170 | vmf->page = page; | |
428ffb71 LZ |
171 | |
172 | return 0; | |
173 | unlock: | |
174 | mutex_unlock(&us122l->mutex); | |
175 | return VM_FAULT_SIGBUS; | |
030a07e4 KW |
176 | } |
177 | ||
178 | static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) | |
179 | { | |
180 | struct us122l *us122l = area->vm_private_data; | |
181 | atomic_dec(&us122l->mmap_count); | |
182 | snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); | |
183 | } | |
184 | ||
f0f37e2f | 185 | static const struct vm_operations_struct usb_stream_hwdep_vm_ops = { |
030a07e4 KW |
186 | .open = usb_stream_hwdep_vm_open, |
187 | .fault = usb_stream_hwdep_vm_fault, | |
188 | .close = usb_stream_hwdep_vm_close, | |
189 | }; | |
190 | ||
191 | ||
192 | static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) | |
193 | { | |
194 | struct us122l *us122l = hw->private_data; | |
195 | struct usb_interface *iface; | |
196 | snd_printdd(KERN_DEBUG "%p %p\n", hw, file); | |
197 | if (hw->used >= 2) | |
198 | return -EBUSY; | |
199 | ||
200 | if (!us122l->first) | |
201 | us122l->first = file; | |
4f272341 | 202 | |
5c7e7d58 | 203 | if (us122l->is_us144) { |
a014bbad | 204 | iface = usb_ifnum_to_if(us122l->dev, 0); |
4f272341 TH |
205 | usb_autopm_get_interface(iface); |
206 | } | |
a014bbad | 207 | iface = usb_ifnum_to_if(us122l->dev, 1); |
030a07e4 KW |
208 | usb_autopm_get_interface(iface); |
209 | return 0; | |
210 | } | |
211 | ||
212 | static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) | |
213 | { | |
214 | struct us122l *us122l = hw->private_data; | |
4f272341 | 215 | struct usb_interface *iface; |
030a07e4 | 216 | snd_printdd(KERN_DEBUG "%p %p\n", hw, file); |
4f272341 | 217 | |
5c7e7d58 | 218 | if (us122l->is_us144) { |
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 | ||
235 | static 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; | |
ac536a84 TI |
264 | area->vm_flags |= VM_DONTDUMP; |
265 | if (!read) | |
266 | area->vm_flags |= VM_DONTEXPAND; | |
030a07e4 KW |
267 | area->vm_private_data = us122l; |
268 | atomic_inc(&us122l->mmap_count); | |
269 | out: | |
270 | mutex_unlock(&us122l->mutex); | |
271 | return err; | |
272 | } | |
273 | ||
274 | static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw, | |
275 | struct file *file, poll_table *wait) | |
276 | { | |
277 | struct us122l *us122l = hw->private_data; | |
030a07e4 KW |
278 | unsigned *polled; |
279 | unsigned int mask; | |
280 | ||
281 | poll_wait(file, &us122l->sk.sleep, wait); | |
282 | ||
cdce2db7 KW |
283 | mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR; |
284 | if (mutex_trylock(&us122l->mutex)) { | |
285 | struct usb_stream *s = us122l->sk.s; | |
286 | if (s && s->state == usb_stream_ready) { | |
287 | if (us122l->first == file) | |
288 | polled = &s->periods_polled; | |
289 | else | |
290 | polled = &us122l->second_periods_polled; | |
291 | if (*polled != s->periods_done) { | |
292 | *polled = s->periods_done; | |
293 | mask = POLLIN | POLLOUT | POLLWRNORM; | |
294 | } else | |
295 | mask = 0; | |
030a07e4 | 296 | } |
cdce2db7 | 297 | mutex_unlock(&us122l->mutex); |
030a07e4 KW |
298 | } |
299 | return mask; | |
300 | } | |
301 | ||
302 | static void us122l_stop(struct us122l *us122l) | |
303 | { | |
304 | struct list_head *p; | |
d82af9f9 | 305 | list_for_each(p, &us122l->midi_list) |
030a07e4 KW |
306 | snd_usbmidi_input_stop(p); |
307 | ||
308 | usb_stream_stop(&us122l->sk); | |
309 | usb_stream_free(&us122l->sk); | |
310 | } | |
311 | ||
312 | static int us122l_set_sample_rate(struct usb_device *dev, int rate) | |
313 | { | |
314 | unsigned int ep = 0x81; | |
315 | unsigned char data[3]; | |
316 | int err; | |
317 | ||
318 | data[0] = rate; | |
319 | data[1] = rate >> 8; | |
320 | data[2] = rate >> 16; | |
de48c7bc | 321 | err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, |
030a07e4 | 322 | USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, |
de48c7bc | 323 | UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000); |
030a07e4 KW |
324 | if (err < 0) |
325 | snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", | |
326 | dev->devnum, rate, ep); | |
327 | return err; | |
328 | } | |
329 | ||
330 | static bool us122l_start(struct us122l *us122l, | |
331 | unsigned rate, unsigned period_frames) | |
332 | { | |
333 | struct list_head *p; | |
334 | int err; | |
335 | unsigned use_packsize = 0; | |
336 | bool success = false; | |
337 | ||
a014bbad | 338 | if (us122l->dev->speed == USB_SPEED_HIGH) { |
030a07e4 KW |
339 | /* The us-122l's descriptor defaults to iso max_packsize 78, |
340 | which isn't needed for samplerates <= 48000. | |
341 | Lets save some memory: | |
342 | */ | |
343 | switch (rate) { | |
344 | case 44100: | |
345 | use_packsize = 36; | |
346 | break; | |
347 | case 48000: | |
348 | use_packsize = 42; | |
349 | break; | |
350 | case 88200: | |
351 | use_packsize = 72; | |
352 | break; | |
353 | } | |
354 | } | |
a014bbad | 355 | if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2, |
030a07e4 KW |
356 | rate, use_packsize, period_frames, 6)) |
357 | goto out; | |
358 | ||
a014bbad | 359 | err = us122l_set_sample_rate(us122l->dev, rate); |
030a07e4 KW |
360 | if (err < 0) { |
361 | us122l_stop(us122l); | |
362 | snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); | |
363 | goto out; | |
364 | } | |
365 | err = usb_stream_start(&us122l->sk); | |
366 | if (err < 0) { | |
367 | us122l_stop(us122l); | |
368 | snd_printk(KERN_ERR "us122l_start error %i \n", err); | |
369 | goto out; | |
370 | } | |
d82af9f9 | 371 | list_for_each(p, &us122l->midi_list) |
030a07e4 KW |
372 | snd_usbmidi_input_start(p); |
373 | success = true; | |
374 | out: | |
375 | return success; | |
376 | } | |
377 | ||
378 | static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, | |
379 | unsigned cmd, unsigned long arg) | |
380 | { | |
381 | struct usb_stream_config *cfg; | |
382 | struct us122l *us122l = hw->private_data; | |
cdce2db7 | 383 | struct usb_stream *s; |
030a07e4 KW |
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); | |
cdce2db7 | 429 | s = us122l->sk.s; |
030a07e4 KW |
430 | if (!us122l->master) |
431 | us122l->master = file; | |
432 | else if (us122l->master != file) { | |
cdce2db7 | 433 | if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg))) { |
030a07e4 KW |
434 | err = -EIO; |
435 | goto unlock; | |
436 | } | |
437 | us122l->slave = file; | |
438 | } | |
cdce2db7 KW |
439 | if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg)) || |
440 | s->state == usb_stream_xrun) { | |
030a07e4 KW |
441 | us122l_stop(us122l); |
442 | if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames)) | |
443 | err = -EIO; | |
444 | else | |
445 | err = 1; | |
446 | } | |
447 | unlock: | |
448 | mutex_unlock(&us122l->mutex); | |
449 | free: | |
450 | kfree(cfg); | |
cdce2db7 | 451 | wake_up_all(&us122l->sk.sleep); |
030a07e4 KW |
452 | return err; |
453 | } | |
454 | ||
455 | #define SND_USB_STREAM_ID "USB STREAM" | |
456 | static int usb_stream_hwdep_new(struct snd_card *card) | |
457 | { | |
458 | int err; | |
459 | struct snd_hwdep *hw; | |
a014bbad | 460 | struct usb_device *dev = US122L(card)->dev; |
030a07e4 KW |
461 | |
462 | err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw); | |
463 | if (err < 0) | |
464 | return err; | |
465 | ||
466 | hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM; | |
467 | hw->private_data = US122L(card); | |
468 | hw->ops.open = usb_stream_hwdep_open; | |
469 | hw->ops.release = usb_stream_hwdep_release; | |
470 | hw->ops.ioctl = usb_stream_hwdep_ioctl; | |
471 | hw->ops.ioctl_compat = usb_stream_hwdep_ioctl; | |
472 | hw->ops.mmap = usb_stream_hwdep_mmap; | |
473 | hw->ops.poll = usb_stream_hwdep_poll; | |
474 | ||
a5f8661d | 475 | sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", |
030a07e4 KW |
476 | dev->bus->busnum, dev->devnum); |
477 | return 0; | |
478 | } | |
479 | ||
480 | ||
481 | static bool us122l_create_card(struct snd_card *card) | |
482 | { | |
483 | int err; | |
484 | struct us122l *us122l = US122L(card); | |
485 | ||
5c7e7d58 | 486 | if (us122l->is_us144) { |
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 | ||
5c7e7d58 | 505 | if (us122l->is_us144) |
4f272341 TH |
506 | err = us144_create_usbmidi(card); |
507 | else | |
508 | err = us122l_create_usbmidi(card); | |
030a07e4 KW |
509 | if (err < 0) { |
510 | snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); | |
80753cdf | 511 | goto stop; |
030a07e4 KW |
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 | ||
80753cdf | 520 | goto stop; |
030a07e4 KW |
521 | } |
522 | return true; | |
80753cdf ME |
523 | |
524 | stop: | |
525 | us122l_stop(us122l); | |
526 | return false; | |
030a07e4 KW |
527 | } |
528 | ||
5d4af1be KW |
529 | static void snd_us122l_free(struct snd_card *card) |
530 | { | |
531 | struct us122l *us122l = US122L(card); | |
a014bbad | 532 | int index = us122l->card_index; |
5d4af1be KW |
533 | if (index >= 0 && index < SNDRV_CARDS) |
534 | snd_us122l_card_used[index] = 0; | |
535 | } | |
536 | ||
874b8d42 TI |
537 | static int usx2y_create_card(struct usb_device *device, |
538 | struct usb_interface *intf, | |
5c7e7d58 JH |
539 | struct snd_card **cardp, |
540 | unsigned long flags) | |
030a07e4 KW |
541 | { |
542 | int dev; | |
543 | struct snd_card *card; | |
bd7dd77c TI |
544 | int err; |
545 | ||
030a07e4 KW |
546 | for (dev = 0; dev < SNDRV_CARDS; ++dev) |
547 | if (enable[dev] && !snd_us122l_card_used[dev]) | |
548 | break; | |
549 | if (dev >= SNDRV_CARDS) | |
51721f70 | 550 | return -ENODEV; |
874b8d42 TI |
551 | err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE, |
552 | sizeof(struct us122l), &card); | |
bd7dd77c | 553 | if (err < 0) |
51721f70 | 554 | return err; |
a014bbad | 555 | snd_us122l_card_used[US122L(card)->card_index = dev] = 1; |
5d4af1be | 556 | card->private_free = snd_us122l_free; |
a014bbad | 557 | US122L(card)->dev = device; |
030a07e4 KW |
558 | mutex_init(&US122L(card)->mutex); |
559 | init_waitqueue_head(&US122L(card)->sk.sleep); | |
5c7e7d58 | 560 | US122L(card)->is_us144 = flags & US122L_FLAG_US144; |
d82af9f9 | 561 | INIT_LIST_HEAD(&US122L(card)->midi_list); |
030a07e4 KW |
562 | strcpy(card->driver, "USB "NAME_ALLCAPS""); |
563 | sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); | |
564 | sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", | |
565 | card->shortname, | |
566 | le16_to_cpu(device->descriptor.idVendor), | |
567 | le16_to_cpu(device->descriptor.idProduct), | |
568 | 0, | |
a014bbad CL |
569 | US122L(card)->dev->bus->busnum, |
570 | US122L(card)->dev->devnum | |
030a07e4 | 571 | ); |
51721f70 TI |
572 | *cardp = card; |
573 | return 0; | |
030a07e4 KW |
574 | } |
575 | ||
51721f70 TI |
576 | static int us122l_usb_probe(struct usb_interface *intf, |
577 | const struct usb_device_id *device_id, | |
578 | struct snd_card **cardp) | |
030a07e4 KW |
579 | { |
580 | struct usb_device *device = interface_to_usbdev(intf); | |
51721f70 TI |
581 | struct snd_card *card; |
582 | int err; | |
030a07e4 | 583 | |
5c7e7d58 | 584 | err = usx2y_create_card(device, intf, &card, device_id->driver_info); |
51721f70 TI |
585 | if (err < 0) |
586 | return err; | |
030a07e4 | 587 | |
51721f70 | 588 | if (!us122l_create_card(card)) { |
030a07e4 | 589 | snd_card_free(card); |
51721f70 TI |
590 | return -EINVAL; |
591 | } | |
592 | ||
593 | err = snd_card_register(card); | |
594 | if (err < 0) { | |
595 | snd_card_free(card); | |
596 | return err; | |
030a07e4 KW |
597 | } |
598 | ||
4f272341 | 599 | usb_get_intf(usb_ifnum_to_if(device, 0)); |
030a07e4 | 600 | usb_get_dev(device); |
51721f70 TI |
601 | *cardp = card; |
602 | return 0; | |
030a07e4 KW |
603 | } |
604 | ||
605 | static int snd_us122l_probe(struct usb_interface *intf, | |
606 | const struct usb_device_id *id) | |
607 | { | |
4f272341 | 608 | struct usb_device *device = interface_to_usbdev(intf); |
030a07e4 | 609 | struct snd_card *card; |
51721f70 TI |
610 | int err; |
611 | ||
5c7e7d58 JH |
612 | if (id->driver_info & US122L_FLAG_US144 && |
613 | device->speed == USB_SPEED_HIGH) { | |
4f272341 | 614 | snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n"); |
a688e488 | 615 | return -ENODEV; |
4f272341 TH |
616 | } |
617 | ||
030a07e4 KW |
618 | 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 | ||
51721f70 TI |
623 | err = us122l_usb_probe(usb_get_intf(intf), id, &card); |
624 | if (err < 0) { | |
625 | usb_put_intf(intf); | |
626 | return err; | |
030a07e4 KW |
627 | } |
628 | ||
51721f70 TI |
629 | usb_set_intfdata(intf, card); |
630 | return 0; | |
030a07e4 KW |
631 | } |
632 | ||
633 | static 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); | |
030a07e4 KW |
649 | |
650 | /* release the midi resources */ | |
d82af9f9 | 651 | list_for_each(p, &us122l->midi_list) { |
030a07e4 KW |
652 | snd_usbmidi_disconnect(p); |
653 | } | |
654 | ||
a014bbad CL |
655 | 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); | |
030a07e4 KW |
658 | |
659 | while (atomic_read(&us122l->mmap_count)) | |
660 | msleep(500); | |
661 | ||
662 | snd_card_free(card); | |
663 | } | |
664 | ||
665 | static 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 | ||
f4e9749f | 671 | card = usb_get_intfdata(intf); |
030a07e4 KW |
672 | 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 | ||
d82af9f9 | 680 | list_for_each(p, &us122l->midi_list) |
030a07e4 KW |
681 | 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 | ||
690 | static 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 | ||
f4e9749f | 697 | card = usb_get_intfdata(intf); |
030a07e4 KW |
698 | 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: */ | |
5c7e7d58 | 707 | if (us122l->is_us144) { |
a014bbad | 708 | err = usb_set_interface(us122l->dev, 0, 1); |
4f272341 TH |
709 | if (err) { |
710 | snd_printk(KERN_ERR "usb_set_interface error \n"); | |
711 | goto unlock; | |
712 | } | |
713 | } | |
a014bbad | 714 | err = usb_set_interface(us122l->dev, 1, 1); |
030a07e4 KW |
715 | if (err) { |
716 | snd_printk(KERN_ERR "usb_set_interface error \n"); | |
717 | goto unlock; | |
718 | } | |
719 | ||
a014bbad CL |
720 | pt_info_set(us122l->dev, 0x11); |
721 | pt_info_set(us122l->dev, 0x10); | |
030a07e4 | 722 | |
a014bbad | 723 | err = us122l_set_sample_rate(us122l->dev, |
030a07e4 KW |
724 | us122l->sk.s->cfg.sample_rate); |
725 | if (err < 0) { | |
726 | snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); | |
727 | goto unlock; | |
728 | } | |
729 | err = usb_stream_start(&us122l->sk); | |
730 | if (err) | |
731 | goto unlock; | |
732 | ||
d82af9f9 | 733 | list_for_each(p, &us122l->midi_list) |
030a07e4 KW |
734 | snd_usbmidi_input_start(p); |
735 | unlock: | |
736 | mutex_unlock(&us122l->mutex); | |
737 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
738 | return err; | |
739 | } | |
740 | ||
7ab64aeb | 741 | static const struct usb_device_id snd_us122l_usb_id_table[] = { |
030a07e4 KW |
742 | { |
743 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, | |
744 | .idVendor = 0x0644, | |
745 | .idProduct = USB_ID_US122L | |
746 | }, | |
4f272341 TH |
747 | { /* US-144 only works at USB1.1! Disable module ehci-hcd. */ |
748 | .match_flags = USB_DEVICE_ID_MATCH_DEVICE, | |
749 | .idVendor = 0x0644, | |
5c7e7d58 JH |
750 | .idProduct = USB_ID_US144, |
751 | .driver_info = US122L_FLAG_US144 | |
4f272341 | 752 | }, |
2b6f6c0d TH |
753 | { |
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, | |
5c7e7d58 JH |
761 | .idProduct = USB_ID_US144MKII, |
762 | .driver_info = US122L_FLAG_US144 | |
2b6f6c0d | 763 | }, |
030a07e4 KW |
764 | { /* terminator */ } |
765 | }; | |
766 | ||
767 | MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); | |
768 | static struct usb_driver snd_us122l_usb_driver = { | |
769 | .name = "snd-usb-us122l", | |
770 | .probe = snd_us122l_probe, | |
771 | .disconnect = snd_us122l_disconnect, | |
772 | .suspend = snd_us122l_suspend, | |
773 | .resume = snd_us122l_resume, | |
774 | .reset_resume = snd_us122l_resume, | |
775 | .id_table = snd_us122l_usb_id_table, | |
776 | .supports_autosuspend = 1 | |
777 | }; | |
778 | ||
424f0750 | 779 | module_usb_driver(snd_us122l_usb_driver); |