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ALSA: usb-audio: Fix races at disconnection in mixer_quirks.c
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / usb / mixer_quirks.c
blobae2b7143522097bffd2a6060721d4f3db6b8000e
1 /*
2 * USB Audio Driver for ALSA
3 *
4 * Quirks and vendor-specific extensions for mixer interfaces
5 *
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7 *
8 * Many codes borrowed from audio.c by
9 * Alan Cox (alan@lxorguk.ukuu.org.uk)
10 * Thomas Sailer (sailer@ife.ee.ethz.ch)
11 *
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 */
27
28 #include <linux/init.h>
29 #include <linux/slab.h>
30 #include <linux/usb.h>
31 #include <linux/usb/audio.h>
32
33 #include <sound/core.h>
34 #include <sound/control.h>
35 #include <sound/hwdep.h>
36 #include <sound/info.h>
37
38 #include "usbaudio.h"
39 #include "mixer.h"
40 #include "mixer_quirks.h"
41 #include "helper.h"
42
43 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
44
45 struct std_mono_table {
46 unsigned int unitid, control, cmask;
47 int val_type;
48 const char *name;
49 snd_kcontrol_tlv_rw_t *tlv_callback;
50 };
51
52 /* private_free callback */
53 static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
54 {
55 kfree(kctl->private_data);
56 kctl->private_data = NULL;
57 }
58
59 /* This function allows for the creation of standard UAC controls.
60 * See the quirks for M-Audio FTUs or Ebox-44.
61 * If you don't want to set a TLV callback pass NULL.
62 *
63 * Since there doesn't seem to be a devices that needs a multichannel
64 * version, we keep it mono for simplicity.
65 */
66 static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
67 unsigned int unitid,
68 unsigned int control,
69 unsigned int cmask,
70 int val_type,
71 const char *name,
72 snd_kcontrol_tlv_rw_t *tlv_callback)
73 {
74 int err;
75 struct usb_mixer_elem_info *cval;
76 struct snd_kcontrol *kctl;
77
78 cval = kzalloc(sizeof(*cval), GFP_KERNEL);
79 if (!cval)
80 return -ENOMEM;
81
82 cval->id = unitid;
83 cval->mixer = mixer;
84 cval->val_type = val_type;
85 cval->channels = 1;
86 cval->control = control;
87 cval->cmask = cmask;
88
89 /* get_min_max() is called only for integer volumes later,
90 * so provide a short-cut for booleans */
91 cval->min = 0;
92 cval->max = 1;
93 cval->res = 0;
94 cval->dBmin = 0;
95 cval->dBmax = 0;
96
97 /* Create control */
98 kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
99 if (!kctl) {
100 kfree(cval);
101 return -ENOMEM;
102 }
103
104 /* Set name */
105 snprintf(kctl->id.name, sizeof(kctl->id.name), name);
106 kctl->private_free = usb_mixer_elem_free;
107
108 /* set TLV */
109 if (tlv_callback) {
110 kctl->tlv.c = tlv_callback;
111 kctl->vd[0].access |=
112 SNDRV_CTL_ELEM_ACCESS_TLV_READ |
113 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
114 }
115 /* Add control to mixer */
116 err = snd_usb_mixer_add_control(mixer, kctl);
117 if (err < 0)
118 return err;
119
120 return 0;
121 }
122
123 /*
124 * Create a set of standard UAC controls from a table
125 */
126 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
127 struct std_mono_table *t)
128 {
129 int err;
130
131 while (t->name != NULL) {
132 err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
133 t->cmask, t->val_type, t->name, t->tlv_callback);
134 if (err < 0)
135 return err;
136 t++;
137 }
138
139 return 0;
140 }
141
142 /*
143 * Sound Blaster remote control configuration
144 *
145 * format of remote control data:
146 * Extigy: xx 00
147 * Audigy 2 NX: 06 80 xx 00 00 00
148 * Live! 24-bit: 06 80 xx yy 22 83
149 */
150 static const struct rc_config {
151 u32 usb_id;
152 u8 offset;
153 u8 length;
154 u8 packet_length;
155 u8 min_packet_length; /* minimum accepted length of the URB result */
156 u8 mute_mixer_id;
157 u32 mute_code;
158 } rc_configs[] = {
159 { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
160 { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
161 { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
162 { USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */
163 { USB_ID(0x041e, 0x30df), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
164 { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
165 };
166
167 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
168 {
169 struct usb_mixer_interface *mixer = urb->context;
170 const struct rc_config *rc = mixer->rc_cfg;
171 u32 code;
172
173 if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
174 return;
175
176 code = mixer->rc_buffer[rc->offset];
177 if (rc->length == 2)
178 code |= mixer->rc_buffer[rc->offset + 1] << 8;
179
180 /* the Mute button actually changes the mixer control */
181 if (code == rc->mute_code)
182 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
183 mixer->rc_code = code;
184 wmb();
185 wake_up(&mixer->rc_waitq);
186 }
187
188 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
189 long count, loff_t *offset)
190 {
191 struct usb_mixer_interface *mixer = hw->private_data;
192 int err;
193 u32 rc_code;
194
195 if (count != 1 && count != 4)
196 return -EINVAL;
197 err = wait_event_interruptible(mixer->rc_waitq,
198 (rc_code = xchg(&mixer->rc_code, 0)) != 0);
199 if (err == 0) {
200 if (count == 1)
201 err = put_user(rc_code, buf);
202 else
203 err = put_user(rc_code, (u32 __user *)buf);
204 }
205 return err < 0 ? err : count;
206 }
207
208 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
209 poll_table *wait)
210 {
211 struct usb_mixer_interface *mixer = hw->private_data;
212
213 poll_wait(file, &mixer->rc_waitq, wait);
214 return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
215 }
216
217 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
218 {
219 struct snd_hwdep *hwdep;
220 int err, len, i;
221
222 for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
223 if (rc_configs[i].usb_id == mixer->chip->usb_id)
224 break;
225 if (i >= ARRAY_SIZE(rc_configs))
226 return 0;
227 mixer->rc_cfg = &rc_configs[i];
228
229 len = mixer->rc_cfg->packet_length;
230
231 init_waitqueue_head(&mixer->rc_waitq);
232 err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
233 if (err < 0)
234 return err;
235 snprintf(hwdep->name, sizeof(hwdep->name),
236 "%s remote control", mixer->chip->card->shortname);
237 hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
238 hwdep->private_data = mixer;
239 hwdep->ops.read = snd_usb_sbrc_hwdep_read;
240 hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
241 hwdep->exclusive = 1;
242
243 mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
244 if (!mixer->rc_urb)
245 return -ENOMEM;
246 mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
247 if (!mixer->rc_setup_packet) {
248 usb_free_urb(mixer->rc_urb);
249 mixer->rc_urb = NULL;
250 return -ENOMEM;
251 }
252 mixer->rc_setup_packet->bRequestType =
253 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
254 mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
255 mixer->rc_setup_packet->wValue = cpu_to_le16(0);
256 mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
257 mixer->rc_setup_packet->wLength = cpu_to_le16(len);
258 usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
259 usb_rcvctrlpipe(mixer->chip->dev, 0),
260 (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
261 snd_usb_soundblaster_remote_complete, mixer);
262 return 0;
263 }
264
265 #define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
266
267 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
268 {
269 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
270 int index = kcontrol->private_value;
271
272 ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
273 return 0;
274 }
275
276 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
277 {
278 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
279 int index = kcontrol->private_value;
280 int value = ucontrol->value.integer.value[0];
281 int err, changed;
282
283 if (value > 1)
284 return -EINVAL;
285 changed = value != mixer->audigy2nx_leds[index];
286 down_read(&mixer->chip->shutdown_rwsem);
287 if (mixer->chip->shutdown) {
288 err = -ENODEV;
289 goto out;
290 }
291 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
292 err = snd_usb_ctl_msg(mixer->chip->dev,
293 usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
294 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
295 !value, 0, NULL, 0);
296 /* USB X-Fi S51 Pro */
297 if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
298 err = snd_usb_ctl_msg(mixer->chip->dev,
299 usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
300 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
301 !value, 0, NULL, 0);
302 else
303 err = snd_usb_ctl_msg(mixer->chip->dev,
304 usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
305 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
306 value, index + 2, NULL, 0);
307 out:
308 up_read(&mixer->chip->shutdown_rwsem);
309 if (err < 0)
310 return err;
311 mixer->audigy2nx_leds[index] = value;
312 return changed;
313 }
314
315 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
316 {
317 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
318 .name = "CMSS LED Switch",
319 .info = snd_audigy2nx_led_info,
320 .get = snd_audigy2nx_led_get,
321 .put = snd_audigy2nx_led_put,
322 .private_value = 0,
323 },
324 {
325 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
326 .name = "Power LED Switch",
327 .info = snd_audigy2nx_led_info,
328 .get = snd_audigy2nx_led_get,
329 .put = snd_audigy2nx_led_put,
330 .private_value = 1,
331 },
332 {
333 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
334 .name = "Dolby Digital LED Switch",
335 .info = snd_audigy2nx_led_info,
336 .get = snd_audigy2nx_led_get,
337 .put = snd_audigy2nx_led_put,
338 .private_value = 2,
339 },
340 };
341
342 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
343 {
344 int i, err;
345
346 for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
347 /* USB X-Fi S51 doesn't have a CMSS LED */
348 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
349 continue;
350 /* USB X-Fi S51 Pro doesn't have one either */
351 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
352 continue;
353 if (i > 1 && /* Live24ext has 2 LEDs only */
354 (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
355 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
356 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
357 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
358 break;
359 err = snd_ctl_add(mixer->chip->card,
360 snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
361 if (err < 0)
362 return err;
363 }
364 mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
365 return 0;
366 }
367
368 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
369 struct snd_info_buffer *buffer)
370 {
371 static const struct sb_jack {
372 int unitid;
373 const char *name;
374 } jacks_audigy2nx[] = {
375 {4, "dig in "},
376 {7, "line in"},
377 {19, "spk out"},
378 {20, "hph out"},
379 {-1, NULL}
380 }, jacks_live24ext[] = {
381 {4, "line in"}, /* &1=Line, &2=Mic*/
382 {3, "hph out"}, /* headphones */
383 {0, "RC "}, /* last command, 6 bytes see rc_config above */
384 {-1, NULL}
385 };
386 const struct sb_jack *jacks;
387 struct usb_mixer_interface *mixer = entry->private_data;
388 int i, err;
389 u8 buf[3];
390
391 snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
392 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
393 jacks = jacks_audigy2nx;
394 else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
395 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
396 jacks = jacks_live24ext;
397 else
398 return;
399
400 for (i = 0; jacks[i].name; ++i) {
401 snd_iprintf(buffer, "%s: ", jacks[i].name);
402 down_read(&mixer->chip->shutdown_rwsem);
403 if (mixer->chip->shutdown)
404 err = 0;
405 else
406 err = snd_usb_ctl_msg(mixer->chip->dev,
407 usb_rcvctrlpipe(mixer->chip->dev, 0),
408 UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
409 USB_RECIP_INTERFACE, 0,
410 jacks[i].unitid << 8, buf, 3);
411 up_read(&mixer->chip->shutdown_rwsem);
412 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
413 snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
414 else
415 snd_iprintf(buffer, "?\n");
416 }
417 }
418
419 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
420 struct snd_ctl_elem_value *ucontrol)
421 {
422 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
423
424 ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
425 return 0;
426 }
427
428 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
429 struct snd_ctl_elem_value *ucontrol)
430 {
431 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
432 u8 old_status, new_status;
433 int err, changed;
434
435 old_status = mixer->xonar_u1_status;
436 if (ucontrol->value.integer.value[0])
437 new_status = old_status | 0x02;
438 else
439 new_status = old_status & ~0x02;
440 changed = new_status != old_status;
441 down_read(&mixer->chip->shutdown_rwsem);
442 if (mixer->chip->shutdown)
443 err = -ENODEV;
444 else
445 err = snd_usb_ctl_msg(mixer->chip->dev,
446 usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
447 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
448 50, 0, &new_status, 1);
449 up_read(&mixer->chip->shutdown_rwsem);
450 if (err < 0)
451 return err;
452 mixer->xonar_u1_status = new_status;
453 return changed;
454 }
455
456 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
457 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
458 .name = "Digital Playback Switch",
459 .info = snd_ctl_boolean_mono_info,
460 .get = snd_xonar_u1_switch_get,
461 .put = snd_xonar_u1_switch_put,
462 };
463
464 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
465 {
466 int err;
467
468 err = snd_ctl_add(mixer->chip->card,
469 snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
470 if (err < 0)
471 return err;
472 mixer->xonar_u1_status = 0x05;
473 return 0;
474 }
475
476 /* Native Instruments device quirks */
477
478 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
479
480 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
481 struct snd_ctl_elem_value *ucontrol)
482 {
483 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
484 struct usb_device *dev = mixer->chip->dev;
485 u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
486 u16 wIndex = kcontrol->private_value & 0xffff;
487 u8 tmp;
488 int ret;
489
490 down_read(&mixer->chip->shutdown_rwsem);
491 if (mixer->chip->shutdown)
492 ret = -ENODEV;
493 else
494 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
495 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
496 0, cpu_to_le16(wIndex),
497 &tmp, sizeof(tmp), 1000);
498 up_read(&mixer->chip->shutdown_rwsem);
499
500 if (ret < 0) {
501 snd_printk(KERN_ERR
502 "unable to issue vendor read request (ret = %d)", ret);
503 return ret;
504 }
505
506 ucontrol->value.integer.value[0] = tmp;
507
508 return 0;
509 }
510
511 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_value *ucontrol)
513 {
514 struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
515 struct usb_device *dev = mixer->chip->dev;
516 u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
517 u16 wIndex = kcontrol->private_value & 0xffff;
518 u16 wValue = ucontrol->value.integer.value[0];
519 int ret;
520
521 down_read(&mixer->chip->shutdown_rwsem);
522 if (mixer->chip->shutdown)
523 ret = -ENODEV;
524 else
525 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
526 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
527 cpu_to_le16(wValue), cpu_to_le16(wIndex),
528 NULL, 0, 1000);
529 up_read(&mixer->chip->shutdown_rwsem);
530
531 if (ret < 0) {
532 snd_printk(KERN_ERR
533 "unable to issue vendor write request (ret = %d)", ret);
534 return ret;
535 }
536
537 return 0;
538 }
539
540 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
541 {
542 .name = "Direct Thru Channel A",
543 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
544 },
545 {
546 .name = "Direct Thru Channel B",
547 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
548 },
549 {
550 .name = "Phono Input Channel A",
551 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
552 },
553 {
554 .name = "Phono Input Channel B",
555 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
556 },
557 };
558
559 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
560 {
561 .name = "Direct Thru Channel A",
562 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
563 },
564 {
565 .name = "Direct Thru Channel B",
566 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
567 },
568 {
569 .name = "Direct Thru Channel C",
570 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
571 },
572 {
573 .name = "Direct Thru Channel D",
574 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
575 },
576 {
577 .name = "Phono Input Channel A",
578 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
579 },
580 {
581 .name = "Phono Input Channel B",
582 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
583 },
584 {
585 .name = "Phono Input Channel C",
586 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
587 },
588 {
589 .name = "Phono Input Channel D",
590 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
591 },
592 };
593
594 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
595 const struct snd_kcontrol_new *kc,
596 unsigned int count)
597 {
598 int i, err = 0;
599 struct snd_kcontrol_new template = {
600 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
601 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
602 .get = snd_nativeinstruments_control_get,
603 .put = snd_nativeinstruments_control_put,
604 .info = snd_ctl_boolean_mono_info,
605 };
606
607 for (i = 0; i < count; i++) {
608 struct snd_kcontrol *c;
609
610 template.name = kc[i].name;
611 template.private_value = kc[i].private_value;
612
613 c = snd_ctl_new1(&template, mixer);
614 err = snd_ctl_add(mixer->chip->card, c);
615
616 if (err < 0)
617 break;
618 }
619
620 return err;
621 }
622
623 /* M-Audio FastTrack Ultra quirks */
624 /* FTU Effect switch */
625 struct snd_ftu_eff_switch_priv_val {
626 struct usb_mixer_interface *mixer;
627 int cached_value;
628 int is_cached;
629 };
630
631 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
632 struct snd_ctl_elem_info *uinfo)
633 {
634 static const char *texts[8] = {"Room 1",
635 "Room 2",
636 "Room 3",
637 "Hall 1",
638 "Hall 2",
639 "Plate",
640 "Delay",
641 "Echo"
642 };
643
644 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
645 uinfo->count = 1;
646 uinfo->value.enumerated.items = 8;
647 if (uinfo->value.enumerated.item > 7)
648 uinfo->value.enumerated.item = 7;
649 strcpy(uinfo->value.enumerated.name,
650 texts[uinfo->value.enumerated.item]);
651
652 return 0;
653 }
654
655 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
656 struct snd_ctl_elem_value *ucontrol)
657 {
658 struct snd_usb_audio *chip;
659 struct usb_mixer_interface *mixer;
660 struct snd_ftu_eff_switch_priv_val *pval;
661 int err;
662 unsigned char value[2];
663
664 const int id = 6;
665 const int validx = 1;
666 const int val_len = 2;
667
668 value[0] = 0x00;
669 value[1] = 0x00;
670
671 pval = (struct snd_ftu_eff_switch_priv_val *)
672 kctl->private_value;
673
674 if (pval->is_cached) {
675 ucontrol->value.enumerated.item[0] = pval->cached_value;
676 return 0;
677 }
678
679 mixer = (struct usb_mixer_interface *) pval->mixer;
680 if (snd_BUG_ON(!mixer))
681 return -EINVAL;
682
683 chip = (struct snd_usb_audio *) mixer->chip;
684 if (snd_BUG_ON(!chip))
685 return -EINVAL;
686
687
688 down_read(&mixer->chip->shutdown_rwsem);
689 if (mixer->chip->shutdown)
690 err = -ENODEV;
691 else
692 err = snd_usb_ctl_msg(chip->dev,
693 usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
694 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
695 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
696 value, val_len);
697 up_read(&mixer->chip->shutdown_rwsem);
698 if (err < 0)
699 return err;
700
701 ucontrol->value.enumerated.item[0] = value[0];
702 pval->cached_value = value[0];
703 pval->is_cached = 1;
704
705 return 0;
706 }
707
708 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
709 struct snd_ctl_elem_value *ucontrol)
710 {
711 struct snd_usb_audio *chip;
712 struct snd_ftu_eff_switch_priv_val *pval;
713
714 struct usb_mixer_interface *mixer;
715 int changed, cur_val, err, new_val;
716 unsigned char value[2];
717
718
719 const int id = 6;
720 const int validx = 1;
721 const int val_len = 2;
722
723 changed = 0;
724
725 pval = (struct snd_ftu_eff_switch_priv_val *)
726 kctl->private_value;
727 cur_val = pval->cached_value;
728 new_val = ucontrol->value.enumerated.item[0];
729
730 mixer = (struct usb_mixer_interface *) pval->mixer;
731 if (snd_BUG_ON(!mixer))
732 return -EINVAL;
733
734 chip = (struct snd_usb_audio *) mixer->chip;
735 if (snd_BUG_ON(!chip))
736 return -EINVAL;
737
738 if (!pval->is_cached) {
739 /* Read current value */
740 down_read(&mixer->chip->shutdown_rwsem);
741 if (mixer->chip->shutdown)
742 err = -ENODEV;
743 else
744 err = snd_usb_ctl_msg(chip->dev,
745 usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
746 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
747 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
748 value, val_len);
749 up_read(&mixer->chip->shutdown_rwsem);
750 if (err < 0)
751 return err;
752
753 cur_val = value[0];
754 pval->cached_value = cur_val;
755 pval->is_cached = 1;
756 }
757 /* update value if needed */
758 if (cur_val != new_val) {
759 value[0] = new_val;
760 value[1] = 0;
761 down_read(&mixer->chip->shutdown_rwsem);
762 if (mixer->chip->shutdown)
763 err = -ENODEV;
764 else
765 err = snd_usb_ctl_msg(chip->dev,
766 usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
767 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
768 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
769 value, val_len);
770 up_read(&mixer->chip->shutdown_rwsem);
771 if (err < 0)
772 return err;
773
774 pval->cached_value = new_val;
775 pval->is_cached = 1;
776 changed = 1;
777 }
778
779 return changed;
780 }
781
782 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer)
783 {
784 static struct snd_kcontrol_new template = {
785 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
786 .name = "Effect Program Switch",
787 .index = 0,
788 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
789 .info = snd_ftu_eff_switch_info,
790 .get = snd_ftu_eff_switch_get,
791 .put = snd_ftu_eff_switch_put
792 };
793
794 int err;
795 struct snd_kcontrol *kctl;
796 struct snd_ftu_eff_switch_priv_val *pval;
797
798 pval = kzalloc(sizeof(*pval), GFP_KERNEL);
799 if (!pval)
800 return -ENOMEM;
801
802 pval->cached_value = 0;
803 pval->is_cached = 0;
804 pval->mixer = mixer;
805
806 template.private_value = (unsigned long) pval;
807 kctl = snd_ctl_new1(&template, mixer->chip);
808 if (!kctl) {
809 kfree(pval);
810 return -ENOMEM;
811 }
812
813 err = snd_ctl_add(mixer->chip->card, kctl);
814 if (err < 0)
815 return err;
816
817 return 0;
818 }
819
820 /* Create volume controls for FTU devices*/
821 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
822 {
823 char name[64];
824 unsigned int control, cmask;
825 int in, out, err;
826
827 const unsigned int id = 5;
828 const int val_type = USB_MIXER_S16;
829
830 for (out = 0; out < 8; out++) {
831 control = out + 1;
832 for (in = 0; in < 8; in++) {
833 cmask = 1 << in;
834 snprintf(name, sizeof(name),
835 "AIn%d - Out%d Capture Volume",
836 in + 1, out + 1);
837 err = snd_create_std_mono_ctl(mixer, id, control,
838 cmask, val_type, name,
839 &snd_usb_mixer_vol_tlv);
840 if (err < 0)
841 return err;
842 }
843 for (in = 8; in < 16; in++) {
844 cmask = 1 << in;
845 snprintf(name, sizeof(name),
846 "DIn%d - Out%d Playback Volume",
847 in - 7, out + 1);
848 err = snd_create_std_mono_ctl(mixer, id, control,
849 cmask, val_type, name,
850 &snd_usb_mixer_vol_tlv);
851 if (err < 0)
852 return err;
853 }
854 }
855
856 return 0;
857 }
858
859 /* This control needs a volume quirk, see mixer.c */
860 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
861 {
862 static const char name[] = "Effect Volume";
863 const unsigned int id = 6;
864 const int val_type = USB_MIXER_U8;
865 const unsigned int control = 2;
866 const unsigned int cmask = 0;
867
868 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
869 name, snd_usb_mixer_vol_tlv);
870 }
871
872 /* This control needs a volume quirk, see mixer.c */
873 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
874 {
875 static const char name[] = "Effect Duration";
876 const unsigned int id = 6;
877 const int val_type = USB_MIXER_S16;
878 const unsigned int control = 3;
879 const unsigned int cmask = 0;
880
881 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
882 name, snd_usb_mixer_vol_tlv);
883 }
884
885 /* This control needs a volume quirk, see mixer.c */
886 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
887 {
888 static const char name[] = "Effect Feedback Volume";
889 const unsigned int id = 6;
890 const int val_type = USB_MIXER_U8;
891 const unsigned int control = 4;
892 const unsigned int cmask = 0;
893
894 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
895 name, NULL);
896 }
897
898 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
899 {
900 unsigned int cmask;
901 int err, ch;
902 char name[48];
903
904 const unsigned int id = 7;
905 const int val_type = USB_MIXER_S16;
906 const unsigned int control = 7;
907
908 for (ch = 0; ch < 4; ++ch) {
909 cmask = 1 << ch;
910 snprintf(name, sizeof(name),
911 "Effect Return %d Volume", ch + 1);
912 err = snd_create_std_mono_ctl(mixer, id, control,
913 cmask, val_type, name,
914 snd_usb_mixer_vol_tlv);
915 if (err < 0)
916 return err;
917 }
918
919 return 0;
920 }
921
922 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
923 {
924 unsigned int cmask;
925 int err, ch;
926 char name[48];
927
928 const unsigned int id = 5;
929 const int val_type = USB_MIXER_S16;
930 const unsigned int control = 9;
931
932 for (ch = 0; ch < 8; ++ch) {
933 cmask = 1 << ch;
934 snprintf(name, sizeof(name),
935 "Effect Send AIn%d Volume", ch + 1);
936 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
937 val_type, name,
938 snd_usb_mixer_vol_tlv);
939 if (err < 0)
940 return err;
941 }
942 for (ch = 8; ch < 16; ++ch) {
943 cmask = 1 << ch;
944 snprintf(name, sizeof(name),
945 "Effect Send DIn%d Volume", ch - 7);
946 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
947 val_type, name,
948 snd_usb_mixer_vol_tlv);
949 if (err < 0)
950 return err;
951 }
952 return 0;
953 }
954
955 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
956 {
957 int err;
958
959 err = snd_ftu_create_volume_ctls(mixer);
960 if (err < 0)
961 return err;
962
963 err = snd_ftu_create_effect_switch(mixer);
964 if (err < 0)
965 return err;
966 err = snd_ftu_create_effect_volume_ctl(mixer);
967 if (err < 0)
968 return err;
969
970 err = snd_ftu_create_effect_duration_ctl(mixer);
971 if (err < 0)
972 return err;
973
974 err = snd_ftu_create_effect_feedback_ctl(mixer);
975 if (err < 0)
976 return err;
977
978 err = snd_ftu_create_effect_return_ctls(mixer);
979 if (err < 0)
980 return err;
981
982 err = snd_ftu_create_effect_send_ctls(mixer);
983 if (err < 0)
984 return err;
985
986 return 0;
987 }
988
989 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
990 unsigned char samplerate_id)
991 {
992 struct usb_mixer_interface *mixer;
993 struct usb_mixer_elem_info *cval;
994 int unitid = 12; /* SamleRate ExtensionUnit ID */
995
996 list_for_each_entry(mixer, &chip->mixer_list, list) {
997 cval = mixer->id_elems[unitid];
998 if (cval) {
999 snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1000 cval->control << 8,
1001 samplerate_id);
1002 snd_usb_mixer_notify_id(mixer, unitid);
1003 }
1004 break;
1005 }
1006 }
1007
1008 /*
1009 * The mixer units for Ebox-44 are corrupt, and even where they
1010 * are valid they presents mono controls as L and R channels of
1011 * stereo. So we provide a good mixer here.
1012 */
1013 struct std_mono_table ebox44_table[] = {
1014 {
1015 .unitid = 4,
1016 .control = 1,
1017 .cmask = 0x0,
1018 .val_type = USB_MIXER_INV_BOOLEAN,
1019 .name = "Headphone Playback Switch"
1020 },
1021 {
1022 .unitid = 4,
1023 .control = 2,
1024 .cmask = 0x1,
1025 .val_type = USB_MIXER_S16,
1026 .name = "Headphone A Mix Playback Volume"
1027 },
1028 {
1029 .unitid = 4,
1030 .control = 2,
1031 .cmask = 0x2,
1032 .val_type = USB_MIXER_S16,
1033 .name = "Headphone B Mix Playback Volume"
1034 },
1035
1036 {
1037 .unitid = 7,
1038 .control = 1,
1039 .cmask = 0x0,
1040 .val_type = USB_MIXER_INV_BOOLEAN,
1041 .name = "Output Playback Switch"
1042 },
1043 {
1044 .unitid = 7,
1045 .control = 2,
1046 .cmask = 0x1,
1047 .val_type = USB_MIXER_S16,
1048 .name = "Output A Playback Volume"
1049 },
1050 {
1051 .unitid = 7,
1052 .control = 2,
1053 .cmask = 0x2,
1054 .val_type = USB_MIXER_S16,
1055 .name = "Output B Playback Volume"
1056 },
1057
1058 {
1059 .unitid = 10,
1060 .control = 1,
1061 .cmask = 0x0,
1062 .val_type = USB_MIXER_INV_BOOLEAN,
1063 .name = "Input Capture Switch"
1064 },
1065 {
1066 .unitid = 10,
1067 .control = 2,
1068 .cmask = 0x1,
1069 .val_type = USB_MIXER_S16,
1070 .name = "Input A Capture Volume"
1071 },
1072 {
1073 .unitid = 10,
1074 .control = 2,
1075 .cmask = 0x2,
1076 .val_type = USB_MIXER_S16,
1077 .name = "Input B Capture Volume"
1078 },
1079
1080 {}
1081 };
1082
1083 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1084 {
1085 int err = 0;
1086 struct snd_info_entry *entry;
1087
1088 if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1089 return err;
1090
1091 switch (mixer->chip->usb_id) {
1092 case USB_ID(0x041e, 0x3020):
1093 case USB_ID(0x041e, 0x3040):
1094 case USB_ID(0x041e, 0x3042):
1095 case USB_ID(0x041e, 0x30df):
1096 case USB_ID(0x041e, 0x3048):
1097 err = snd_audigy2nx_controls_create(mixer);
1098 if (err < 0)
1099 break;
1100 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1101 snd_info_set_text_ops(entry, mixer,
1102 snd_audigy2nx_proc_read);
1103 break;
1104
1105 case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1106 case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1107 err = snd_ftu_create_mixer(mixer);
1108 break;
1109
1110 case USB_ID(0x0b05, 0x1739):
1111 case USB_ID(0x0b05, 0x1743):
1112 err = snd_xonar_u1_controls_create(mixer);
1113 break;
1114
1115 case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1116 err = snd_nativeinstruments_create_mixer(mixer,
1117 snd_nativeinstruments_ta6_mixers,
1118 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1119 break;
1120
1121 case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1122 err = snd_nativeinstruments_create_mixer(mixer,
1123 snd_nativeinstruments_ta10_mixers,
1124 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1125 break;
1126
1127 case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1128 /* detection is disabled in mixer_maps.c */
1129 err = snd_create_std_mono_table(mixer, ebox44_table);
1130 break;
1131 }
1132
1133 return err;
1134 }
1135
1136 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1137 int unitid)
1138 {
1139 if (!mixer->rc_cfg)
1140 return;
1141 /* unit ids specific to Extigy/Audigy 2 NX: */
1142 switch (unitid) {
1143 case 0: /* remote control */
1144 mixer->rc_urb->dev = mixer->chip->dev;
1145 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1146 break;
1147 case 4: /* digital in jack */
1148 case 7: /* line in jacks */
1149 case 19: /* speaker out jacks */
1150 case 20: /* headphones out jack */
1151 break;
1152 /* live24ext: 4 = line-in jack */
1153 case 3: /* hp-out jack (may actuate Mute) */
1154 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1155 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1156 snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1157 break;
1158 default:
1159 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
1160 break;
1161 }
1162 }
1163
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree