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v3.1
  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
 43extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
 44
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 45/*
 46 * Sound Blaster remote control configuration
 47 *
 48 * format of remote control data:
 49 * Extigy:       xx 00
 50 * Audigy 2 NX:  06 80 xx 00 00 00
 51 * Live! 24-bit: 06 80 xx yy 22 83
 52 */
 53static const struct rc_config {
 54	u32 usb_id;
 55	u8  offset;
 56	u8  length;
 57	u8  packet_length;
 58	u8  min_packet_length; /* minimum accepted length of the URB result */
 59	u8  mute_mixer_id;
 60	u32 mute_code;
 61} rc_configs[] = {
 62	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 63	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 64	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 65	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 66	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 
 67	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 68};
 69
 70static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 71{
 72	struct usb_mixer_interface *mixer = urb->context;
 73	const struct rc_config *rc = mixer->rc_cfg;
 74	u32 code;
 75
 76	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 77		return;
 78
 79	code = mixer->rc_buffer[rc->offset];
 80	if (rc->length == 2)
 81		code |= mixer->rc_buffer[rc->offset + 1] << 8;
 82
 83	/* the Mute button actually changes the mixer control */
 84	if (code == rc->mute_code)
 85		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 86	mixer->rc_code = code;
 87	wmb();
 88	wake_up(&mixer->rc_waitq);
 89}
 90
 91static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 92				     long count, loff_t *offset)
 93{
 94	struct usb_mixer_interface *mixer = hw->private_data;
 95	int err;
 96	u32 rc_code;
 97
 98	if (count != 1 && count != 4)
 99		return -EINVAL;
100	err = wait_event_interruptible(mixer->rc_waitq,
101				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
102	if (err == 0) {
103		if (count == 1)
104			err = put_user(rc_code, buf);
105		else
106			err = put_user(rc_code, (u32 __user *)buf);
107	}
108	return err < 0 ? err : count;
109}
110
111static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
112					    poll_table *wait)
113{
114	struct usb_mixer_interface *mixer = hw->private_data;
115
116	poll_wait(file, &mixer->rc_waitq, wait);
117	return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
118}
119
120static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
121{
122	struct snd_hwdep *hwdep;
123	int err, len, i;
124
125	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
126		if (rc_configs[i].usb_id == mixer->chip->usb_id)
127			break;
128	if (i >= ARRAY_SIZE(rc_configs))
129		return 0;
130	mixer->rc_cfg = &rc_configs[i];
131
132	len = mixer->rc_cfg->packet_length;
133
134	init_waitqueue_head(&mixer->rc_waitq);
135	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
136	if (err < 0)
137		return err;
138	snprintf(hwdep->name, sizeof(hwdep->name),
139		 "%s remote control", mixer->chip->card->shortname);
140	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
141	hwdep->private_data = mixer;
142	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
143	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
144	hwdep->exclusive = 1;
145
146	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
147	if (!mixer->rc_urb)
148		return -ENOMEM;
149	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
150	if (!mixer->rc_setup_packet) {
151		usb_free_urb(mixer->rc_urb);
152		mixer->rc_urb = NULL;
153		return -ENOMEM;
154	}
155	mixer->rc_setup_packet->bRequestType =
156		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
157	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
158	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
159	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
160	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
161	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
162			     usb_rcvctrlpipe(mixer->chip->dev, 0),
163			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
164			     snd_usb_soundblaster_remote_complete, mixer);
165	return 0;
166}
167
168#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
169
170static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
171{
172	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
173	int index = kcontrol->private_value;
174
175	ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
176	return 0;
177}
178
179static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 
180{
181	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
182	int index = kcontrol->private_value;
183	int value = ucontrol->value.integer.value[0];
184	int err, changed;
185
186	if (value > 1)
187		return -EINVAL;
188	changed = value != mixer->audigy2nx_leds[index];
189	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
190		err = snd_usb_ctl_msg(mixer->chip->dev,
191			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 
192			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
193			      !value, 0, NULL, 0, 100);
194	/* USB X-Fi S51 Pro */
195	if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
196		err = snd_usb_ctl_msg(mixer->chip->dev,
197			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
198			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
199			      !value, 0, NULL, 0, 100);
200	else
201		err = snd_usb_ctl_msg(mixer->chip->dev,
202			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
203			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
204			      value, index + 2, NULL, 0, 100);
205	if (err < 0)
206		return err;
207	mixer->audigy2nx_leds[index] = value;
208	return changed;
209}
210
211static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
212	{
213		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
214		.name = "CMSS LED Switch",
215		.info = snd_audigy2nx_led_info,
216		.get = snd_audigy2nx_led_get,
217		.put = snd_audigy2nx_led_put,
218		.private_value = 0,
219	},
220	{
221		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
222		.name = "Power LED Switch",
223		.info = snd_audigy2nx_led_info,
224		.get = snd_audigy2nx_led_get,
225		.put = snd_audigy2nx_led_put,
226		.private_value = 1,
227	},
228	{
229		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
230		.name = "Dolby Digital LED Switch",
231		.info = snd_audigy2nx_led_info,
232		.get = snd_audigy2nx_led_get,
233		.put = snd_audigy2nx_led_put,
234		.private_value = 2,
235	},
 
 
 
 
 
 
 
 
 
 
 
 
 
 
236};
237
238static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
239{
240	int i, err;
241
242	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 
 
243		/* USB X-Fi S51 doesn't have a CMSS LED */
244		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
245			continue;
246		/* USB X-Fi S51 Pro doesn't have one either */
247		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
248			continue;
249		if (i > 1 && /* Live24ext has 2 LEDs only */
250			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
251			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
252			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
253			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
254			break; 
255		err = snd_ctl_add(mixer->chip->card,
256				  snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 
 
 
 
 
257		if (err < 0)
258			return err;
259	}
260	mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
261	return 0;
262}
263
264static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
265				    struct snd_info_buffer *buffer)
266{
267	static const struct sb_jack {
268		int unitid;
269		const char *name;
270	}  jacks_audigy2nx[] = {
271		{4,  "dig in "},
272		{7,  "line in"},
273		{19, "spk out"},
274		{20, "hph out"},
275		{-1, NULL}
276	}, jacks_live24ext[] = {
277		{4,  "line in"}, /* &1=Line, &2=Mic*/
278		{3,  "hph out"}, /* headphones */
279		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
280		{-1, NULL}
281	};
282	const struct sb_jack *jacks;
283	struct usb_mixer_interface *mixer = entry->private_data;
284	int i, err;
285	u8 buf[3];
286
287	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
288	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
289		jacks = jacks_audigy2nx;
290	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
291		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
292		jacks = jacks_live24ext;
293	else
294		return;
295
296	for (i = 0; jacks[i].name; ++i) {
297		snd_iprintf(buffer, "%s: ", jacks[i].name);
 
 
 
298		err = snd_usb_ctl_msg(mixer->chip->dev,
299				      usb_rcvctrlpipe(mixer->chip->dev, 0),
300				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
301				      USB_RECIP_INTERFACE, 0,
302				      jacks[i].unitid << 8, buf, 3, 100);
 
303		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
304			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
305		else
306			snd_iprintf(buffer, "?\n");
307	}
308}
309
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
310static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
311				   struct snd_ctl_elem_value *ucontrol)
312{
313	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
314
315	ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
316	return 0;
317}
318
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
319static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
320				   struct snd_ctl_elem_value *ucontrol)
321{
322	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
323	u8 old_status, new_status;
324	int err, changed;
325
326	old_status = mixer->xonar_u1_status;
327	if (ucontrol->value.integer.value[0])
328		new_status = old_status | 0x02;
329	else
330		new_status = old_status & ~0x02;
331	changed = new_status != old_status;
332	err = snd_usb_ctl_msg(mixer->chip->dev,
333			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
334			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
335			      50, 0, &new_status, 1, 100);
336	if (err < 0)
337		return err;
338	mixer->xonar_u1_status = new_status;
339	return changed;
 
 
 
340}
341
342static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
343	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
344	.name = "Digital Playback Switch",
345	.info = snd_ctl_boolean_mono_info,
346	.get = snd_xonar_u1_switch_get,
347	.put = snd_xonar_u1_switch_put,
 
348};
349
350static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
351{
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
352	int err;
 
353
354	err = snd_ctl_add(mixer->chip->card,
355			  snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
356	if (err < 0)
357		return err;
358	mixer->xonar_u1_status = 0x05;
359	return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
360}
361
362/* Native Instruments device quirks */
363
364#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
365
366static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
367					     struct snd_ctl_elem_value *ucontrol)
368{
369	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
370	struct usb_device *dev = mixer->chip->dev;
371	u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
372	u16 wIndex = kcontrol->private_value & 0xffff;
373	u8 tmp;
374
375	int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
376				  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
377				  0, cpu_to_le16(wIndex),
378				  &tmp, sizeof(tmp), 1000);
379
380	if (ret < 0) {
381		snd_printk(KERN_ERR
382			   "unable to issue vendor read request (ret = %d)", ret);
383		return ret;
384	}
385
386	ucontrol->value.integer.value[0] = tmp;
 
 
387
 
 
 
 
388	return 0;
389}
390
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
391static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
392					     struct snd_ctl_elem_value *ucontrol)
393{
394	struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
395	struct usb_device *dev = mixer->chip->dev;
396	u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
397	u16 wIndex = kcontrol->private_value & 0xffff;
398	u16 wValue = ucontrol->value.integer.value[0];
399
400	int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
401				  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
402				  cpu_to_le16(wValue), cpu_to_le16(wIndex),
403				  NULL, 0, 1000);
404
405	if (ret < 0) {
406		snd_printk(KERN_ERR
407			   "unable to issue vendor write request (ret = %d)", ret);
408		return ret;
409	}
410
411	return 0;
 
 
 
 
 
 
412}
413
414static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
415	{
416		.name = "Direct Thru Channel A",
417		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
418	},
419	{
420		.name = "Direct Thru Channel B",
421		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
422	},
423	{
424		.name = "Phono Input Channel A",
425		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
426	},
427	{
428		.name = "Phono Input Channel B",
429		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
430	},
431};
432
433static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
434	{
435		.name = "Direct Thru Channel A",
436		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
437	},
438	{
439		.name = "Direct Thru Channel B",
440		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
441	},
442	{
443		.name = "Direct Thru Channel C",
444		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
445	},
446	{
447		.name = "Direct Thru Channel D",
448		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
449	},
450	{
451		.name = "Phono Input Channel A",
452		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
453	},
454	{
455		.name = "Phono Input Channel B",
456		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
457	},
458	{
459		.name = "Phono Input Channel C",
460		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
461	},
462	{
463		.name = "Phono Input Channel D",
464		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
465	},
466};
467
468static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
469					      const struct snd_kcontrol_new *kc,
470					      unsigned int count)
471{
472	int i, err = 0;
473	struct snd_kcontrol_new template = {
474		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
475		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
476		.get = snd_nativeinstruments_control_get,
477		.put = snd_nativeinstruments_control_put,
478		.info = snd_ctl_boolean_mono_info,
479	};
480
481	for (i = 0; i < count; i++) {
482		struct snd_kcontrol *c;
483
484		template.name = kc[i].name;
485		template.private_value = kc[i].private_value;
486
487		c = snd_ctl_new1(&template, mixer);
488		err = snd_ctl_add(mixer->chip->card, c);
489
490		if (err < 0)
491			break;
 
492	}
493
494	return err;
495}
496
497/* M-Audio FastTrack Ultra quirks */
 
 
 
 
 
 
 
 
498
499/* private_free callback */
500static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
 
 
 
501{
502	kfree(kctl->private_data);
503	kctl->private_data = NULL;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
504}
505
506static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer,
507				     int in, int out, const char *name)
508{
509	struct usb_mixer_elem_info *cval;
510	struct snd_kcontrol *kctl;
 
511
512	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
513	if (!cval)
514		return -ENOMEM;
 
 
 
515
516	cval->id = 5;
517	cval->mixer = mixer;
518	cval->val_type = USB_MIXER_S16;
519	cval->channels = 1;
520	cval->control = out + 1;
521	cval->cmask = 1 << in;
522
523	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
524	if (!kctl) {
525		kfree(cval);
526		return -ENOMEM;
527	}
 
 
 
 
 
 
 
 
528
529	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
530	kctl->private_free = usb_mixer_elem_free;
531	return snd_usb_mixer_add_control(mixer, kctl);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
532}
533
534static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
 
535{
536	char name[64];
 
537	int in, out, err;
538
 
 
 
539	for (out = 0; out < 8; out++) {
 
540		for (in = 0; in < 8; in++) {
 
541			snprintf(name, sizeof(name),
542				 "AIn%d - Out%d Capture Volume", in  + 1, out + 1);
543			err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
 
 
 
544			if (err < 0)
545				return err;
546		}
547
548		for (in = 8; in < 16; in++) {
 
549			snprintf(name, sizeof(name),
550				 "DIn%d - Out%d Playback Volume", in - 7, out + 1);
551			err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
 
 
 
552			if (err < 0)
553				return err;
554		}
555	}
556
557	return 0;
558}
559
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
560void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
561			       unsigned char samplerate_id)
562{
563	struct usb_mixer_interface *mixer;
564	struct usb_mixer_elem_info *cval;
565	int unitid = 12; /* SamleRate ExtensionUnit ID */
566
567	list_for_each_entry(mixer, &chip->mixer_list, list) {
568		cval = mixer->id_elems[unitid];
569		if (cval) {
570			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
571						    cval->control << 8,
572						    samplerate_id);
573			snd_usb_mixer_notify_id(mixer, unitid);
574		}
575		break;
576	}
577}
578
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
579int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
580{
581	int err = 0;
582	struct snd_info_entry *entry;
583
584	if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
585		return err;
586
587	switch (mixer->chip->usb_id) {
588	case USB_ID(0x041e, 0x3020):
589	case USB_ID(0x041e, 0x3040):
590	case USB_ID(0x041e, 0x3042):
591	case USB_ID(0x041e, 0x30df):
592	case USB_ID(0x041e, 0x3048):
593		err = snd_audigy2nx_controls_create(mixer);
594		if (err < 0)
595			break;
596		if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
597			snd_info_set_text_ops(entry, mixer,
598					      snd_audigy2nx_proc_read);
599		break;
600
 
 
 
 
 
 
 
 
 
 
 
 
601	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
602	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
603		err = snd_maudio_ftu_create_mixer(mixer);
604		break;
605
606	case USB_ID(0x0b05, 0x1739):
607	case USB_ID(0x0b05, 0x1743):
 
608		err = snd_xonar_u1_controls_create(mixer);
609		break;
610
 
 
 
 
 
 
 
 
611	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
612		err = snd_nativeinstruments_create_mixer(mixer,
613				snd_nativeinstruments_ta6_mixers,
614				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
615		break;
616
617	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
618		err = snd_nativeinstruments_create_mixer(mixer,
619				snd_nativeinstruments_ta10_mixers,
620				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
621		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
622	}
623
624	return err;
625}
626
627void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
628				    int unitid)
629{
630	if (!mixer->rc_cfg)
631		return;
632	/* unit ids specific to Extigy/Audigy 2 NX: */
633	switch (unitid) {
634	case 0: /* remote control */
635		mixer->rc_urb->dev = mixer->chip->dev;
636		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
637		break;
638	case 4: /* digital in jack */
639	case 7: /* line in jacks */
640	case 19: /* speaker out jacks */
641	case 20: /* headphones out jack */
642		break;
643	/* live24ext: 4 = line-in jack */
644	case 3:	/* hp-out jack (may actuate Mute) */
645		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
646		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
647			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
648		break;
649	default:
650		snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
651		break;
652	}
653}
654
v4.10.11
   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 *   Audio Advantage Micro II support added by:
  13 *	    Przemek Rudy (prudy1@o2.pl)
  14 *
  15 *   This program is free software; you can redistribute it and/or modify
  16 *   it under the terms of the GNU General Public License as published by
  17 *   the Free Software Foundation; either version 2 of the License, or
  18 *   (at your option) any later version.
  19 *
  20 *   This program is distributed in the hope that it will be useful,
  21 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *   GNU General Public License for more details.
  24 *
  25 *   You should have received a copy of the GNU General Public License
  26 *   along with this program; if not, write to the Free Software
  27 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  28 */
  29
  30#include <linux/init.h>
  31#include <linux/slab.h>
  32#include <linux/usb.h>
  33#include <linux/usb/audio.h>
  34
  35#include <sound/asoundef.h>
  36#include <sound/core.h>
  37#include <sound/control.h>
  38#include <sound/hwdep.h>
  39#include <sound/info.h>
  40#include <sound/tlv.h>
  41
  42#include "usbaudio.h"
  43#include "mixer.h"
  44#include "mixer_quirks.h"
  45#include "mixer_scarlett.h"
  46#include "helper.h"
  47
  48extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
  49
  50struct std_mono_table {
  51	unsigned int unitid, control, cmask;
  52	int val_type;
  53	const char *name;
  54	snd_kcontrol_tlv_rw_t *tlv_callback;
  55};
  56
  57/* This function allows for the creation of standard UAC controls.
  58 * See the quirks for M-Audio FTUs or Ebox-44.
  59 * If you don't want to set a TLV callback pass NULL.
  60 *
  61 * Since there doesn't seem to be a devices that needs a multichannel
  62 * version, we keep it mono for simplicity.
  63 */
  64static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  65				unsigned int unitid,
  66				unsigned int control,
  67				unsigned int cmask,
  68				int val_type,
  69				unsigned int idx_off,
  70				const char *name,
  71				snd_kcontrol_tlv_rw_t *tlv_callback)
  72{
  73	struct usb_mixer_elem_info *cval;
  74	struct snd_kcontrol *kctl;
  75
  76	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  77	if (!cval)
  78		return -ENOMEM;
  79
  80	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
  81	cval->val_type = val_type;
  82	cval->channels = 1;
  83	cval->control = control;
  84	cval->cmask = cmask;
  85	cval->idx_off = idx_off;
  86
  87	/* get_min_max() is called only for integer volumes later,
  88	 * so provide a short-cut for booleans */
  89	cval->min = 0;
  90	cval->max = 1;
  91	cval->res = 0;
  92	cval->dBmin = 0;
  93	cval->dBmax = 0;
  94
  95	/* Create control */
  96	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
  97	if (!kctl) {
  98		kfree(cval);
  99		return -ENOMEM;
 100	}
 101
 102	/* Set name */
 103	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 104	kctl->private_free = snd_usb_mixer_elem_free;
 105
 106	/* set TLV */
 107	if (tlv_callback) {
 108		kctl->tlv.c = tlv_callback;
 109		kctl->vd[0].access |=
 110			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 111			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 112	}
 113	/* Add control to mixer */
 114	return snd_usb_mixer_add_control(&cval->head, kctl);
 115}
 116
 117static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 118				unsigned int unitid,
 119				unsigned int control,
 120				unsigned int cmask,
 121				int val_type,
 122				const char *name,
 123				snd_kcontrol_tlv_rw_t *tlv_callback)
 124{
 125	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 126		val_type, 0 /* Offset */, name, tlv_callback);
 127}
 128
 129/*
 130 * Create a set of standard UAC controls from a table
 131 */
 132static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 133				struct std_mono_table *t)
 134{
 135	int err;
 136
 137	while (t->name != NULL) {
 138		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 139				t->cmask, t->val_type, t->name, t->tlv_callback);
 140		if (err < 0)
 141			return err;
 142		t++;
 143	}
 144
 145	return 0;
 146}
 147
 148static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
 149				      int id,
 150				      usb_mixer_elem_resume_func_t resume,
 151				      const struct snd_kcontrol_new *knew,
 152				      struct usb_mixer_elem_list **listp)
 153{
 154	struct usb_mixer_elem_list *list;
 155	struct snd_kcontrol *kctl;
 156
 157	list = kzalloc(sizeof(*list), GFP_KERNEL);
 158	if (!list)
 159		return -ENOMEM;
 160	if (listp)
 161		*listp = list;
 162	list->mixer = mixer;
 163	list->id = id;
 164	list->resume = resume;
 165	kctl = snd_ctl_new1(knew, list);
 166	if (!kctl) {
 167		kfree(list);
 168		return -ENOMEM;
 169	}
 170	kctl->private_free = snd_usb_mixer_elem_free;
 171	return snd_usb_mixer_add_control(list, kctl);
 172}
 173
 174/*
 175 * Sound Blaster remote control configuration
 176 *
 177 * format of remote control data:
 178 * Extigy:       xx 00
 179 * Audigy 2 NX:  06 80 xx 00 00 00
 180 * Live! 24-bit: 06 80 xx yy 22 83
 181 */
 182static const struct rc_config {
 183	u32 usb_id;
 184	u8  offset;
 185	u8  length;
 186	u8  packet_length;
 187	u8  min_packet_length; /* minimum accepted length of the URB result */
 188	u8  mute_mixer_id;
 189	u32 mute_code;
 190} rc_configs[] = {
 191	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 192	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 193	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 194	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 195	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 196	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 197	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 198};
 199
 200static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 201{
 202	struct usb_mixer_interface *mixer = urb->context;
 203	const struct rc_config *rc = mixer->rc_cfg;
 204	u32 code;
 205
 206	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 207		return;
 208
 209	code = mixer->rc_buffer[rc->offset];
 210	if (rc->length == 2)
 211		code |= mixer->rc_buffer[rc->offset + 1] << 8;
 212
 213	/* the Mute button actually changes the mixer control */
 214	if (code == rc->mute_code)
 215		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 216	mixer->rc_code = code;
 217	wmb();
 218	wake_up(&mixer->rc_waitq);
 219}
 220
 221static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 222				     long count, loff_t *offset)
 223{
 224	struct usb_mixer_interface *mixer = hw->private_data;
 225	int err;
 226	u32 rc_code;
 227
 228	if (count != 1 && count != 4)
 229		return -EINVAL;
 230	err = wait_event_interruptible(mixer->rc_waitq,
 231				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 232	if (err == 0) {
 233		if (count == 1)
 234			err = put_user(rc_code, buf);
 235		else
 236			err = put_user(rc_code, (u32 __user *)buf);
 237	}
 238	return err < 0 ? err : count;
 239}
 240
 241static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 242					    poll_table *wait)
 243{
 244	struct usb_mixer_interface *mixer = hw->private_data;
 245
 246	poll_wait(file, &mixer->rc_waitq, wait);
 247	return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 248}
 249
 250static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 251{
 252	struct snd_hwdep *hwdep;
 253	int err, len, i;
 254
 255	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 256		if (rc_configs[i].usb_id == mixer->chip->usb_id)
 257			break;
 258	if (i >= ARRAY_SIZE(rc_configs))
 259		return 0;
 260	mixer->rc_cfg = &rc_configs[i];
 261
 262	len = mixer->rc_cfg->packet_length;
 263
 264	init_waitqueue_head(&mixer->rc_waitq);
 265	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 266	if (err < 0)
 267		return err;
 268	snprintf(hwdep->name, sizeof(hwdep->name),
 269		 "%s remote control", mixer->chip->card->shortname);
 270	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 271	hwdep->private_data = mixer;
 272	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 273	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 274	hwdep->exclusive = 1;
 275
 276	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 277	if (!mixer->rc_urb)
 278		return -ENOMEM;
 279	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 280	if (!mixer->rc_setup_packet) {
 281		usb_free_urb(mixer->rc_urb);
 282		mixer->rc_urb = NULL;
 283		return -ENOMEM;
 284	}
 285	mixer->rc_setup_packet->bRequestType =
 286		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 287	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 288	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 289	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 290	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 291	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 292			     usb_rcvctrlpipe(mixer->chip->dev, 0),
 293			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 294			     snd_usb_soundblaster_remote_complete, mixer);
 295	return 0;
 296}
 297
 298#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
 299
 300static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 301{
 302	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
 
 
 
 303	return 0;
 304}
 305
 306static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
 307				    int value, int index)
 308{
 309	struct snd_usb_audio *chip = mixer->chip;
 310	int err;
 
 
 311
 312	err = snd_usb_lock_shutdown(chip);
 313	if (err < 0)
 314		return err;
 315
 316	if (chip->usb_id == USB_ID(0x041e, 0x3042))
 317		err = snd_usb_ctl_msg(chip->dev,
 318			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 319			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 320			      !value, 0, NULL, 0);
 321	/* USB X-Fi S51 Pro */
 322	if (chip->usb_id == USB_ID(0x041e, 0x30df))
 323		err = snd_usb_ctl_msg(chip->dev,
 324			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 325			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 326			      !value, 0, NULL, 0);
 327	else
 328		err = snd_usb_ctl_msg(chip->dev,
 329			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 330			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 331			      value, index + 2, NULL, 0);
 332	snd_usb_unlock_shutdown(chip);
 333	return err;
 
 
 334}
 335
 336static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
 337				 struct snd_ctl_elem_value *ucontrol)
 338{
 339	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 340	struct usb_mixer_interface *mixer = list->mixer;
 341	int index = kcontrol->private_value & 0xff;
 342	unsigned int value = ucontrol->value.integer.value[0];
 343	int old_value = kcontrol->private_value >> 8;
 344	int err;
 345
 346	if (value > 1)
 347		return -EINVAL;
 348	if (value == old_value)
 349		return 0;
 350	kcontrol->private_value = (value << 8) | index;
 351	err = snd_audigy2nx_led_update(mixer, value, index);
 352	return err < 0 ? err : 1;
 353}
 354
 355static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
 356{
 357	int priv_value = list->kctl->private_value;
 358
 359	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
 360					priv_value & 0xff);
 361}
 362
 363/* name and private_value are set dynamically */
 364static struct snd_kcontrol_new snd_audigy2nx_control = {
 365	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 366	.info = snd_audigy2nx_led_info,
 367	.get = snd_audigy2nx_led_get,
 368	.put = snd_audigy2nx_led_put,
 369};
 370
 371static const char * const snd_audigy2nx_led_names[] = {
 372	"CMSS LED Switch",
 373	"Power LED Switch",
 374	"Dolby Digital LED Switch",
 375};
 376
 377static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 378{
 379	int i, err;
 380
 381	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
 382		struct snd_kcontrol_new knew;
 383
 384		/* USB X-Fi S51 doesn't have a CMSS LED */
 385		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 386			continue;
 387		/* USB X-Fi S51 Pro doesn't have one either */
 388		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 389			continue;
 390		if (i > 1 && /* Live24ext has 2 LEDs only */
 391			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 392			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 393			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 394			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 395			break; 
 396
 397		knew = snd_audigy2nx_control;
 398		knew.name = snd_audigy2nx_led_names[i];
 399		knew.private_value = (1 << 8) | i; /* LED on as default */
 400		err = add_single_ctl_with_resume(mixer, 0,
 401						 snd_audigy2nx_led_resume,
 402						 &knew, NULL);
 403		if (err < 0)
 404			return err;
 405	}
 
 406	return 0;
 407}
 408
 409static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 410				    struct snd_info_buffer *buffer)
 411{
 412	static const struct sb_jack {
 413		int unitid;
 414		const char *name;
 415	}  jacks_audigy2nx[] = {
 416		{4,  "dig in "},
 417		{7,  "line in"},
 418		{19, "spk out"},
 419		{20, "hph out"},
 420		{-1, NULL}
 421	}, jacks_live24ext[] = {
 422		{4,  "line in"}, /* &1=Line, &2=Mic*/
 423		{3,  "hph out"}, /* headphones */
 424		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 425		{-1, NULL}
 426	};
 427	const struct sb_jack *jacks;
 428	struct usb_mixer_interface *mixer = entry->private_data;
 429	int i, err;
 430	u8 buf[3];
 431
 432	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 433	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 434		jacks = jacks_audigy2nx;
 435	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 436		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 437		jacks = jacks_live24ext;
 438	else
 439		return;
 440
 441	for (i = 0; jacks[i].name; ++i) {
 442		snd_iprintf(buffer, "%s: ", jacks[i].name);
 443		err = snd_usb_lock_shutdown(mixer->chip);
 444		if (err < 0)
 445			return;
 446		err = snd_usb_ctl_msg(mixer->chip->dev,
 447				      usb_rcvctrlpipe(mixer->chip->dev, 0),
 448				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 449				      USB_RECIP_INTERFACE, 0,
 450				      jacks[i].unitid << 8, buf, 3);
 451		snd_usb_unlock_shutdown(mixer->chip);
 452		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 453			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 454		else
 455			snd_iprintf(buffer, "?\n");
 456	}
 457}
 458
 459/* EMU0204 */
 460static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
 461				      struct snd_ctl_elem_info *uinfo)
 462{
 463	static const char * const texts[2] = {"1/2", "3/4"};
 464
 465	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 466}
 467
 468static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
 469				     struct snd_ctl_elem_value *ucontrol)
 470{
 471	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
 472	return 0;
 473}
 474
 475static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
 476					int value)
 477{
 478	struct snd_usb_audio *chip = mixer->chip;
 479	int err;
 480	unsigned char buf[2];
 481
 482	err = snd_usb_lock_shutdown(chip);
 483	if (err < 0)
 484		return err;
 485
 486	buf[0] = 0x01;
 487	buf[1] = value ? 0x02 : 0x01;
 488	err = snd_usb_ctl_msg(chip->dev,
 489		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 490		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 491		      0x0400, 0x0e00, buf, 2);
 492	snd_usb_unlock_shutdown(chip);
 493	return err;
 494}
 495
 496static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
 497				     struct snd_ctl_elem_value *ucontrol)
 498{
 499	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 500	struct usb_mixer_interface *mixer = list->mixer;
 501	unsigned int value = ucontrol->value.enumerated.item[0];
 502	int err;
 503
 504	if (value > 1)
 505		return -EINVAL;
 506
 507	if (value == kcontrol->private_value)
 508		return 0;
 509
 510	kcontrol->private_value = value;
 511	err = snd_emu0204_ch_switch_update(mixer, value);
 512	return err < 0 ? err : 1;
 513}
 514
 515static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
 516{
 517	return snd_emu0204_ch_switch_update(list->mixer,
 518					    list->kctl->private_value);
 519}
 520
 521static struct snd_kcontrol_new snd_emu0204_control = {
 522	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 523	.name = "Front Jack Channels",
 524	.info = snd_emu0204_ch_switch_info,
 525	.get = snd_emu0204_ch_switch_get,
 526	.put = snd_emu0204_ch_switch_put,
 527	.private_value = 0,
 528};
 529
 530static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
 531{
 532	return add_single_ctl_with_resume(mixer, 0,
 533					  snd_emu0204_ch_switch_resume,
 534					  &snd_emu0204_control, NULL);
 535}
 536
 537/* ASUS Xonar U1 / U3 controls */
 538
 539static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 540				   struct snd_ctl_elem_value *ucontrol)
 541{
 542	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
 
 
 543	return 0;
 544}
 545
 546static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
 547				      unsigned char status)
 548{
 549	struct snd_usb_audio *chip = mixer->chip;
 550	int err;
 551
 552	err = snd_usb_lock_shutdown(chip);
 553	if (err < 0)
 554		return err;
 555	err = snd_usb_ctl_msg(chip->dev,
 556			      usb_sndctrlpipe(chip->dev, 0), 0x08,
 557			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 558			      50, 0, &status, 1);
 559	snd_usb_unlock_shutdown(chip);
 560	return err;
 561}
 562
 563static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 564				   struct snd_ctl_elem_value *ucontrol)
 565{
 566	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 567	u8 old_status, new_status;
 568	int err;
 569
 570	old_status = kcontrol->private_value;
 571	if (ucontrol->value.integer.value[0])
 572		new_status = old_status | 0x02;
 573	else
 574		new_status = old_status & ~0x02;
 575	if (new_status == old_status)
 576		return 0;
 577
 578	kcontrol->private_value = new_status;
 579	err = snd_xonar_u1_switch_update(list->mixer, new_status);
 580	return err < 0 ? err : 1;
 581}
 582
 583static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
 584{
 585	return snd_xonar_u1_switch_update(list->mixer,
 586					  list->kctl->private_value);
 587}
 588
 589static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 590	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 591	.name = "Digital Playback Switch",
 592	.info = snd_ctl_boolean_mono_info,
 593	.get = snd_xonar_u1_switch_get,
 594	.put = snd_xonar_u1_switch_put,
 595	.private_value = 0x05,
 596};
 597
 598static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 599{
 600	return add_single_ctl_with_resume(mixer, 0,
 601					  snd_xonar_u1_switch_resume,
 602					  &snd_xonar_u1_output_switch, NULL);
 603}
 604
 605/* Digidesign Mbox 1 clock source switch (internal/spdif) */
 606
 607static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
 608				struct snd_ctl_elem_value *ucontrol)
 609{
 610	ucontrol->value.enumerated.item[0] = kctl->private_value;
 611	return 0;
 612}
 613
 614static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
 615{
 616	struct snd_usb_audio *chip = mixer->chip;
 617	int err;
 618	unsigned char buff[3];
 619
 620	err = snd_usb_lock_shutdown(chip);
 
 621	if (err < 0)
 622		return err;
 623
 624	/* Prepare for magic command to toggle clock source */
 625	err = snd_usb_ctl_msg(chip->dev,
 626				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 627				USB_DIR_IN |
 628				USB_TYPE_CLASS |
 629				USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
 630	if (err < 0)
 631		goto err;
 632	err = snd_usb_ctl_msg(chip->dev,
 633				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 634				USB_DIR_IN |
 635				USB_TYPE_CLASS |
 636				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 637	if (err < 0)
 638		goto err;
 639
 640	/* 2 possibilities:	Internal    -> send sample rate
 641	 *			S/PDIF sync -> send zeroes
 642	 * NB: Sample rate locked to 48kHz on purpose to
 643	 *     prevent user from resetting the sample rate
 644	 *     while S/PDIF sync is enabled and confusing
 645	 *     this configuration.
 646	 */
 647	if (val == 0) {
 648		buff[0] = 0x80;
 649		buff[1] = 0xbb;
 650		buff[2] = 0x00;
 651	} else {
 652		buff[0] = buff[1] = buff[2] = 0x00;
 653	}
 654
 655	/* Send the magic command to toggle the clock source */
 656	err = snd_usb_ctl_msg(chip->dev,
 657				usb_sndctrlpipe(chip->dev, 0), 0x1,
 658				USB_TYPE_CLASS |
 659				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 660	if (err < 0)
 661		goto err;
 662	err = snd_usb_ctl_msg(chip->dev,
 663				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 664				USB_DIR_IN |
 665				USB_TYPE_CLASS |
 666				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 667	if (err < 0)
 668		goto err;
 669	err = snd_usb_ctl_msg(chip->dev,
 670				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 671				USB_DIR_IN |
 672				USB_TYPE_CLASS |
 673				USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
 674	if (err < 0)
 675		goto err;
 676
 677err:
 678	snd_usb_unlock_shutdown(chip);
 679	return err;
 680}
 681
 682static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
 683				struct snd_ctl_elem_value *ucontrol)
 684{
 685	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 686	struct usb_mixer_interface *mixer = list->mixer;
 687	int err;
 688	bool cur_val, new_val;
 689
 690	cur_val = kctl->private_value;
 691	new_val = ucontrol->value.enumerated.item[0];
 692	if (cur_val == new_val)
 693		return 0;
 694
 695	kctl->private_value = new_val;
 696	err = snd_mbox1_switch_update(mixer, new_val);
 697	return err < 0 ? err : 1;
 698}
 699
 700static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
 701				 struct snd_ctl_elem_info *uinfo)
 702{
 703	static const char *const texts[2] = {
 704		"Internal",
 705		"S/PDIF"
 706	};
 707
 708	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 709}
 710
 711static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
 712{
 713	return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
 714}
 715
 716static struct snd_kcontrol_new snd_mbox1_switch = {
 717	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 718	.name = "Clock Source",
 719	.index = 0,
 720	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 721	.info = snd_mbox1_switch_info,
 722	.get = snd_mbox1_switch_get,
 723	.put = snd_mbox1_switch_put,
 724	.private_value = 0
 725};
 726
 727static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
 728{
 729	return add_single_ctl_with_resume(mixer, 0,
 730					  snd_mbox1_switch_resume,
 731					  &snd_mbox1_switch, NULL);
 732}
 733
 734/* Native Instruments device quirks */
 735
 736#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 737
 738static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
 739				   struct snd_kcontrol *kctl)
 740{
 
 741	struct usb_device *dev = mixer->chip->dev;
 742	unsigned int pval = kctl->private_value;
 743	u8 value;
 744	int err;
 745
 746	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 747			      (pval >> 16) & 0xff,
 748			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 749			      0, pval & 0xffff, &value, 1);
 750	if (err < 0) {
 751		dev_err(&dev->dev,
 752			"unable to issue vendor read request (ret = %d)", err);
 753		return err;
 
 754	}
 755
 756	kctl->private_value |= (value << 24);
 757	return 0;
 758}
 759
 760static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 761					     struct snd_ctl_elem_value *ucontrol)
 762{
 763	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
 764	return 0;
 765}
 766
 767static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
 768{
 769	struct snd_usb_audio *chip = list->mixer->chip;
 770	unsigned int pval = list->kctl->private_value;
 771	int err;
 772
 773	err = snd_usb_lock_shutdown(chip);
 774	if (err < 0)
 775		return err;
 776	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
 777			      (pval >> 16) & 0xff,
 778			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 779			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
 780	snd_usb_unlock_shutdown(chip);
 781	return err;
 782}
 783
 784static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 785					     struct snd_ctl_elem_value *ucontrol)
 786{
 787	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 788	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
 789	u8 newval = ucontrol->value.integer.value[0];
 790	int err;
 
 
 
 
 
 
 
 
 
 
 
 
 791
 792	if (oldval == newval)
 793		return 0;
 794
 795	kcontrol->private_value &= ~(0xff << 24);
 796	kcontrol->private_value |= (unsigned int)newval << 24;
 797	err = snd_ni_update_cur_val(list);
 798	return err < 0 ? err : 1;
 799}
 800
 801static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 802	{
 803		.name = "Direct Thru Channel A",
 804		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 805	},
 806	{
 807		.name = "Direct Thru Channel B",
 808		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 809	},
 810	{
 811		.name = "Phono Input Channel A",
 812		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 813	},
 814	{
 815		.name = "Phono Input Channel B",
 816		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 817	},
 818};
 819
 820static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 821	{
 822		.name = "Direct Thru Channel A",
 823		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 824	},
 825	{
 826		.name = "Direct Thru Channel B",
 827		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 828	},
 829	{
 830		.name = "Direct Thru Channel C",
 831		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 832	},
 833	{
 834		.name = "Direct Thru Channel D",
 835		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 836	},
 837	{
 838		.name = "Phono Input Channel A",
 839		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 840	},
 841	{
 842		.name = "Phono Input Channel B",
 843		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 844	},
 845	{
 846		.name = "Phono Input Channel C",
 847		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 848	},
 849	{
 850		.name = "Phono Input Channel D",
 851		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 852	},
 853};
 854
 855static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 856					      const struct snd_kcontrol_new *kc,
 857					      unsigned int count)
 858{
 859	int i, err = 0;
 860	struct snd_kcontrol_new template = {
 861		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 862		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 863		.get = snd_nativeinstruments_control_get,
 864		.put = snd_nativeinstruments_control_put,
 865		.info = snd_ctl_boolean_mono_info,
 866	};
 867
 868	for (i = 0; i < count; i++) {
 869		struct usb_mixer_elem_list *list;
 870
 871		template.name = kc[i].name;
 872		template.private_value = kc[i].private_value;
 873
 874		err = add_single_ctl_with_resume(mixer, 0,
 875						 snd_ni_update_cur_val,
 876						 &template, &list);
 877		if (err < 0)
 878			break;
 879		snd_ni_control_init_val(mixer, list->kctl);
 880	}
 881
 882	return err;
 883}
 884
 885/* M-Audio FastTrack Ultra quirks */
 886/* FTU Effect switch (also used by C400/C600) */
 887static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
 888					struct snd_ctl_elem_info *uinfo)
 889{
 890	static const char *const texts[8] = {
 891		"Room 1", "Room 2", "Room 3", "Hall 1",
 892		"Hall 2", "Plate", "Delay", "Echo"
 893	};
 894
 895	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 896}
 897
 898static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
 899				   struct snd_kcontrol *kctl)
 900{
 901	struct usb_device *dev = mixer->chip->dev;
 902	unsigned int pval = kctl->private_value;
 903	int err;
 904	unsigned char value[2];
 905
 906	value[0] = 0x00;
 907	value[1] = 0x00;
 908
 909	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
 910			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 911			      pval & 0xff00,
 912			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
 913			      value, 2);
 914	if (err < 0)
 915		return err;
 916
 917	kctl->private_value |= value[0] << 24;
 918	return 0;
 919}
 920
 921static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 922					struct snd_ctl_elem_value *ucontrol)
 923{
 924	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
 925	return 0;
 926}
 927
 928static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
 929{
 930	struct snd_usb_audio *chip = list->mixer->chip;
 931	unsigned int pval = list->kctl->private_value;
 932	unsigned char value[2];
 933	int err;
 934
 935	value[0] = pval >> 24;
 936	value[1] = 0;
 
 
 
 
 937
 938	err = snd_usb_lock_shutdown(chip);
 939	if (err < 0)
 940		return err;
 941	err = snd_usb_ctl_msg(chip->dev,
 942			      usb_sndctrlpipe(chip->dev, 0),
 943			      UAC_SET_CUR,
 944			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 945			      pval & 0xff00,
 946			      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
 947			      value, 2);
 948	snd_usb_unlock_shutdown(chip);
 949	return err;
 950}
 951
 952static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 953					struct snd_ctl_elem_value *ucontrol)
 954{
 955	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 956	unsigned int pval = list->kctl->private_value;
 957	int cur_val, err, new_val;
 958
 959	cur_val = pval >> 24;
 960	new_val = ucontrol->value.enumerated.item[0];
 961	if (cur_val == new_val)
 962		return 0;
 963
 964	kctl->private_value &= ~(0xff << 24);
 965	kctl->private_value |= new_val << 24;
 966	err = snd_ftu_eff_switch_update(list);
 967	return err < 0 ? err : 1;
 968}
 969
 970static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 971	int validx, int bUnitID)
 972{
 973	static struct snd_kcontrol_new template = {
 974		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 975		.name = "Effect Program Switch",
 976		.index = 0,
 977		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 978		.info = snd_ftu_eff_switch_info,
 979		.get = snd_ftu_eff_switch_get,
 980		.put = snd_ftu_eff_switch_put
 981	};
 982	struct usb_mixer_elem_list *list;
 983	int err;
 984
 985	err = add_single_ctl_with_resume(mixer, bUnitID,
 986					 snd_ftu_eff_switch_update,
 987					 &template, &list);
 988	if (err < 0)
 989		return err;
 990	list->kctl->private_value = (validx << 8) | bUnitID;
 991	snd_ftu_eff_switch_init(mixer, list->kctl);
 992	return 0;
 993}
 994
 995/* Create volume controls for FTU devices*/
 996static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 997{
 998	char name[64];
 999	unsigned int control, cmask;
1000	int in, out, err;
1001
1002	const unsigned int id = 5;
1003	const int val_type = USB_MIXER_S16;
1004
1005	for (out = 0; out < 8; out++) {
1006		control = out + 1;
1007		for (in = 0; in < 8; in++) {
1008			cmask = 1 << in;
1009			snprintf(name, sizeof(name),
1010				"AIn%d - Out%d Capture Volume",
1011				in  + 1, out + 1);
1012			err = snd_create_std_mono_ctl(mixer, id, control,
1013							cmask, val_type, name,
1014							&snd_usb_mixer_vol_tlv);
1015			if (err < 0)
1016				return err;
1017		}
 
1018		for (in = 8; in < 16; in++) {
1019			cmask = 1 << in;
1020			snprintf(name, sizeof(name),
1021				"DIn%d - Out%d Playback Volume",
1022				in - 7, out + 1);
1023			err = snd_create_std_mono_ctl(mixer, id, control,
1024							cmask, val_type, name,
1025							&snd_usb_mixer_vol_tlv);
1026			if (err < 0)
1027				return err;
1028		}
1029	}
1030
1031	return 0;
1032}
1033
1034/* This control needs a volume quirk, see mixer.c */
1035static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1036{
1037	static const char name[] = "Effect Volume";
1038	const unsigned int id = 6;
1039	const int val_type = USB_MIXER_U8;
1040	const unsigned int control = 2;
1041	const unsigned int cmask = 0;
1042
1043	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1044					name, snd_usb_mixer_vol_tlv);
1045}
1046
1047/* This control needs a volume quirk, see mixer.c */
1048static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1049{
1050	static const char name[] = "Effect Duration";
1051	const unsigned int id = 6;
1052	const int val_type = USB_MIXER_S16;
1053	const unsigned int control = 3;
1054	const unsigned int cmask = 0;
1055
1056	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1057					name, snd_usb_mixer_vol_tlv);
1058}
1059
1060/* This control needs a volume quirk, see mixer.c */
1061static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1062{
1063	static const char name[] = "Effect Feedback Volume";
1064	const unsigned int id = 6;
1065	const int val_type = USB_MIXER_U8;
1066	const unsigned int control = 4;
1067	const unsigned int cmask = 0;
1068
1069	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1070					name, NULL);
1071}
1072
1073static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1074{
1075	unsigned int cmask;
1076	int err, ch;
1077	char name[48];
1078
1079	const unsigned int id = 7;
1080	const int val_type = USB_MIXER_S16;
1081	const unsigned int control = 7;
1082
1083	for (ch = 0; ch < 4; ++ch) {
1084		cmask = 1 << ch;
1085		snprintf(name, sizeof(name),
1086			"Effect Return %d Volume", ch + 1);
1087		err = snd_create_std_mono_ctl(mixer, id, control,
1088						cmask, val_type, name,
1089						snd_usb_mixer_vol_tlv);
1090		if (err < 0)
1091			return err;
1092	}
1093
1094	return 0;
1095}
1096
1097static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1098{
1099	unsigned int  cmask;
1100	int err, ch;
1101	char name[48];
1102
1103	const unsigned int id = 5;
1104	const int val_type = USB_MIXER_S16;
1105	const unsigned int control = 9;
1106
1107	for (ch = 0; ch < 8; ++ch) {
1108		cmask = 1 << ch;
1109		snprintf(name, sizeof(name),
1110			"Effect Send AIn%d Volume", ch + 1);
1111		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1112						val_type, name,
1113						snd_usb_mixer_vol_tlv);
1114		if (err < 0)
1115			return err;
1116	}
1117	for (ch = 8; ch < 16; ++ch) {
1118		cmask = 1 << ch;
1119		snprintf(name, sizeof(name),
1120			"Effect Send DIn%d Volume", ch - 7);
1121		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1122						val_type, name,
1123						snd_usb_mixer_vol_tlv);
1124		if (err < 0)
1125			return err;
1126	}
1127	return 0;
1128}
1129
1130static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1131{
1132	int err;
1133
1134	err = snd_ftu_create_volume_ctls(mixer);
1135	if (err < 0)
1136		return err;
1137
1138	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1139	if (err < 0)
1140		return err;
1141
1142	err = snd_ftu_create_effect_volume_ctl(mixer);
1143	if (err < 0)
1144		return err;
1145
1146	err = snd_ftu_create_effect_duration_ctl(mixer);
1147	if (err < 0)
1148		return err;
1149
1150	err = snd_ftu_create_effect_feedback_ctl(mixer);
1151	if (err < 0)
1152		return err;
1153
1154	err = snd_ftu_create_effect_return_ctls(mixer);
1155	if (err < 0)
1156		return err;
1157
1158	err = snd_ftu_create_effect_send_ctls(mixer);
1159	if (err < 0)
1160		return err;
1161
1162	return 0;
1163}
1164
1165void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1166			       unsigned char samplerate_id)
1167{
1168	struct usb_mixer_interface *mixer;
1169	struct usb_mixer_elem_info *cval;
1170	int unitid = 12; /* SamleRate ExtensionUnit ID */
1171
1172	list_for_each_entry(mixer, &chip->mixer_list, list) {
1173		cval = (struct usb_mixer_elem_info *)mixer->id_elems[unitid];
1174		if (cval) {
1175			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1176						    cval->control << 8,
1177						    samplerate_id);
1178			snd_usb_mixer_notify_id(mixer, unitid);
1179		}
1180		break;
1181	}
1182}
1183
1184/* M-Audio Fast Track C400/C600 */
1185/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1186static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1187{
1188	char name[64];
1189	unsigned int cmask, offset;
1190	int out, chan, err;
1191	int num_outs = 0;
1192	int num_ins = 0;
1193
1194	const unsigned int id = 0x40;
1195	const int val_type = USB_MIXER_S16;
1196	const int control = 1;
1197
1198	switch (mixer->chip->usb_id) {
1199	case USB_ID(0x0763, 0x2030):
1200		num_outs = 6;
1201		num_ins = 4;
1202		break;
1203	case USB_ID(0x0763, 0x2031):
1204		num_outs = 8;
1205		num_ins = 6;
1206		break;
1207	}
1208
1209	for (chan = 0; chan < num_outs + num_ins; chan++) {
1210		for (out = 0; out < num_outs; out++) {
1211			if (chan < num_outs) {
1212				snprintf(name, sizeof(name),
1213					"PCM%d-Out%d Playback Volume",
1214					chan + 1, out + 1);
1215			} else {
1216				snprintf(name, sizeof(name),
1217					"In%d-Out%d Playback Volume",
1218					chan - num_outs + 1, out + 1);
1219			}
1220
1221			cmask = (out == 0) ? 0 : 1 << (out - 1);
1222			offset = chan * num_outs;
1223			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1224						cmask, val_type, offset, name,
1225						&snd_usb_mixer_vol_tlv);
1226			if (err < 0)
1227				return err;
1228		}
1229	}
1230
1231	return 0;
1232}
1233
1234/* This control needs a volume quirk, see mixer.c */
1235static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1236{
1237	static const char name[] = "Effect Volume";
1238	const unsigned int id = 0x43;
1239	const int val_type = USB_MIXER_U8;
1240	const unsigned int control = 3;
1241	const unsigned int cmask = 0;
1242
1243	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1244					name, snd_usb_mixer_vol_tlv);
1245}
1246
1247/* This control needs a volume quirk, see mixer.c */
1248static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1249{
1250	static const char name[] = "Effect Duration";
1251	const unsigned int id = 0x43;
1252	const int val_type = USB_MIXER_S16;
1253	const unsigned int control = 4;
1254	const unsigned int cmask = 0;
1255
1256	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1257					name, snd_usb_mixer_vol_tlv);
1258}
1259
1260/* This control needs a volume quirk, see mixer.c */
1261static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1262{
1263	static const char name[] = "Effect Feedback Volume";
1264	const unsigned int id = 0x43;
1265	const int val_type = USB_MIXER_U8;
1266	const unsigned int control = 5;
1267	const unsigned int cmask = 0;
1268
1269	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1270					name, NULL);
1271}
1272
1273static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1274{
1275	char name[64];
1276	unsigned int cmask;
1277	int chan, err;
1278	int num_outs = 0;
1279	int num_ins = 0;
1280
1281	const unsigned int id = 0x42;
1282	const int val_type = USB_MIXER_S16;
1283	const int control = 1;
1284
1285	switch (mixer->chip->usb_id) {
1286	case USB_ID(0x0763, 0x2030):
1287		num_outs = 6;
1288		num_ins = 4;
1289		break;
1290	case USB_ID(0x0763, 0x2031):
1291		num_outs = 8;
1292		num_ins = 6;
1293		break;
1294	}
1295
1296	for (chan = 0; chan < num_outs + num_ins; chan++) {
1297		if (chan < num_outs) {
1298			snprintf(name, sizeof(name),
1299				"Effect Send DOut%d",
1300				chan + 1);
1301		} else {
1302			snprintf(name, sizeof(name),
1303				"Effect Send AIn%d",
1304				chan - num_outs + 1);
1305		}
1306
1307		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1308		err = snd_create_std_mono_ctl(mixer, id, control,
1309						cmask, val_type, name,
1310						&snd_usb_mixer_vol_tlv);
1311		if (err < 0)
1312			return err;
1313	}
1314
1315	return 0;
1316}
1317
1318static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1319{
1320	char name[64];
1321	unsigned int cmask;
1322	int chan, err;
1323	int num_outs = 0;
1324	int offset = 0;
1325
1326	const unsigned int id = 0x40;
1327	const int val_type = USB_MIXER_S16;
1328	const int control = 1;
1329
1330	switch (mixer->chip->usb_id) {
1331	case USB_ID(0x0763, 0x2030):
1332		num_outs = 6;
1333		offset = 0x3c;
1334		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1335		break;
1336	case USB_ID(0x0763, 0x2031):
1337		num_outs = 8;
1338		offset = 0x70;
1339		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1340		break;
1341	}
1342
1343	for (chan = 0; chan < num_outs; chan++) {
1344		snprintf(name, sizeof(name),
1345			"Effect Return %d",
1346			chan + 1);
1347
1348		cmask = (chan == 0) ? 0 :
1349			1 << (chan + (chan % 2) * num_outs - 1);
1350		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1351						cmask, val_type, offset, name,
1352						&snd_usb_mixer_vol_tlv);
1353		if (err < 0)
1354			return err;
1355	}
1356
1357	return 0;
1358}
1359
1360static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1361{
1362	int err;
1363
1364	err = snd_c400_create_vol_ctls(mixer);
1365	if (err < 0)
1366		return err;
1367
1368	err = snd_c400_create_effect_vol_ctls(mixer);
1369	if (err < 0)
1370		return err;
1371
1372	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1373	if (err < 0)
1374		return err;
1375
1376	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1377	if (err < 0)
1378		return err;
1379
1380	err = snd_c400_create_effect_volume_ctl(mixer);
1381	if (err < 0)
1382		return err;
1383
1384	err = snd_c400_create_effect_duration_ctl(mixer);
1385	if (err < 0)
1386		return err;
1387
1388	err = snd_c400_create_effect_feedback_ctl(mixer);
1389	if (err < 0)
1390		return err;
1391
1392	return 0;
1393}
1394
1395/*
1396 * The mixer units for Ebox-44 are corrupt, and even where they
1397 * are valid they presents mono controls as L and R channels of
1398 * stereo. So we provide a good mixer here.
1399 */
1400static struct std_mono_table ebox44_table[] = {
1401	{
1402		.unitid = 4,
1403		.control = 1,
1404		.cmask = 0x0,
1405		.val_type = USB_MIXER_INV_BOOLEAN,
1406		.name = "Headphone Playback Switch"
1407	},
1408	{
1409		.unitid = 4,
1410		.control = 2,
1411		.cmask = 0x1,
1412		.val_type = USB_MIXER_S16,
1413		.name = "Headphone A Mix Playback Volume"
1414	},
1415	{
1416		.unitid = 4,
1417		.control = 2,
1418		.cmask = 0x2,
1419		.val_type = USB_MIXER_S16,
1420		.name = "Headphone B Mix Playback Volume"
1421	},
1422
1423	{
1424		.unitid = 7,
1425		.control = 1,
1426		.cmask = 0x0,
1427		.val_type = USB_MIXER_INV_BOOLEAN,
1428		.name = "Output Playback Switch"
1429	},
1430	{
1431		.unitid = 7,
1432		.control = 2,
1433		.cmask = 0x1,
1434		.val_type = USB_MIXER_S16,
1435		.name = "Output A Playback Volume"
1436	},
1437	{
1438		.unitid = 7,
1439		.control = 2,
1440		.cmask = 0x2,
1441		.val_type = USB_MIXER_S16,
1442		.name = "Output B Playback Volume"
1443	},
1444
1445	{
1446		.unitid = 10,
1447		.control = 1,
1448		.cmask = 0x0,
1449		.val_type = USB_MIXER_INV_BOOLEAN,
1450		.name = "Input Capture Switch"
1451	},
1452	{
1453		.unitid = 10,
1454		.control = 2,
1455		.cmask = 0x1,
1456		.val_type = USB_MIXER_S16,
1457		.name = "Input A Capture Volume"
1458	},
1459	{
1460		.unitid = 10,
1461		.control = 2,
1462		.cmask = 0x2,
1463		.val_type = USB_MIXER_S16,
1464		.name = "Input B Capture Volume"
1465	},
1466
1467	{}
1468};
1469
1470/* Audio Advantage Micro II findings:
1471 *
1472 * Mapping spdif AES bits to vendor register.bit:
1473 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1474 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1475 * AES2: [0 0 0 0 0 0 0 0]
1476 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1477 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1478 *
1479 * power on values:
1480 * r2: 0x10
1481 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1482 *           just after it to 0xa0, presumably it disables/mutes some analog
1483 *           parts when there is no audio.)
1484 * r9: 0x28
1485 *
1486 * Optical transmitter on/off:
1487 * vendor register.bit: 9.1
1488 * 0 - on (0x28 register value)
1489 * 1 - off (0x2a register value)
1490 *
1491 */
1492static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1493	struct snd_ctl_elem_info *uinfo)
1494{
1495	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1496	uinfo->count = 1;
1497	return 0;
1498}
1499
1500static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1501	struct snd_ctl_elem_value *ucontrol)
1502{
1503	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1504	struct snd_usb_audio *chip = list->mixer->chip;
1505	int err;
1506	struct usb_interface *iface;
1507	struct usb_host_interface *alts;
1508	unsigned int ep;
1509	unsigned char data[3];
1510	int rate;
1511
1512	err = snd_usb_lock_shutdown(chip);
1513	if (err < 0)
1514		return err;
1515
1516	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1517	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1518	ucontrol->value.iec958.status[2] = 0x00;
1519
1520	/* use known values for that card: interface#1 altsetting#1 */
1521	iface = usb_ifnum_to_if(chip->dev, 1);
1522	if (!iface || iface->num_altsetting < 2)
1523		return -EINVAL;
1524	alts = &iface->altsetting[1];
1525	if (get_iface_desc(alts)->bNumEndpoints < 1)
1526		return -EINVAL;
1527	ep = get_endpoint(alts, 0)->bEndpointAddress;
1528
1529	err = snd_usb_ctl_msg(chip->dev,
1530			usb_rcvctrlpipe(chip->dev, 0),
1531			UAC_GET_CUR,
1532			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1533			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1534			ep,
1535			data,
1536			sizeof(data));
1537	if (err < 0)
1538		goto end;
1539
1540	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1541	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1542			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1543
1544	err = 0;
1545 end:
1546	snd_usb_unlock_shutdown(chip);
1547	return err;
1548}
1549
1550static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1551{
1552	struct snd_usb_audio *chip = list->mixer->chip;
1553	unsigned int pval = list->kctl->private_value;
1554	u8 reg;
1555	int err;
1556
1557	err = snd_usb_lock_shutdown(chip);
1558	if (err < 0)
1559		return err;
1560
1561	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1562	err = snd_usb_ctl_msg(chip->dev,
1563			usb_sndctrlpipe(chip->dev, 0),
1564			UAC_SET_CUR,
1565			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1566			reg,
1567			2,
1568			NULL,
1569			0);
1570	if (err < 0)
1571		goto end;
1572
1573	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1574	reg |= (pval >> 12) & 0x0f;
1575	err = snd_usb_ctl_msg(chip->dev,
1576			usb_sndctrlpipe(chip->dev, 0),
1577			UAC_SET_CUR,
1578			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1579			reg,
1580			3,
1581			NULL,
1582			0);
1583	if (err < 0)
1584		goto end;
1585
1586 end:
1587	snd_usb_unlock_shutdown(chip);
1588	return err;
1589}
1590
1591static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1592	struct snd_ctl_elem_value *ucontrol)
1593{
1594	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1595	unsigned int pval, pval_old;
1596	int err;
1597
1598	pval = pval_old = kcontrol->private_value;
1599	pval &= 0xfffff0f0;
1600	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1601	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1602
1603	pval &= 0xffff0fff;
1604	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1605
1606	/* The frequency bits in AES3 cannot be set via register access. */
1607
1608	/* Silently ignore any bits from the request that cannot be set. */
1609
1610	if (pval == pval_old)
1611		return 0;
1612
1613	kcontrol->private_value = pval;
1614	err = snd_microii_spdif_default_update(list);
1615	return err < 0 ? err : 1;
1616}
1617
1618static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1619	struct snd_ctl_elem_value *ucontrol)
1620{
1621	ucontrol->value.iec958.status[0] = 0x0f;
1622	ucontrol->value.iec958.status[1] = 0xff;
1623	ucontrol->value.iec958.status[2] = 0x00;
1624	ucontrol->value.iec958.status[3] = 0x00;
1625
1626	return 0;
1627}
1628
1629static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1630	struct snd_ctl_elem_value *ucontrol)
1631{
1632	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1633
1634	return 0;
1635}
1636
1637static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1638{
1639	struct snd_usb_audio *chip = list->mixer->chip;
1640	u8 reg = list->kctl->private_value;
1641	int err;
1642
1643	err = snd_usb_lock_shutdown(chip);
1644	if (err < 0)
1645		return err;
1646
1647	err = snd_usb_ctl_msg(chip->dev,
1648			usb_sndctrlpipe(chip->dev, 0),
1649			UAC_SET_CUR,
1650			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1651			reg,
1652			9,
1653			NULL,
1654			0);
1655
1656	snd_usb_unlock_shutdown(chip);
1657	return err;
1658}
1659
1660static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1661	struct snd_ctl_elem_value *ucontrol)
1662{
1663	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1664	u8 reg;
1665	int err;
1666
1667	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1668	if (reg != list->kctl->private_value)
1669		return 0;
1670
1671	kcontrol->private_value = reg;
1672	err = snd_microii_spdif_switch_update(list);
1673	return err < 0 ? err : 1;
1674}
1675
1676static struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1677	{
1678		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1679		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1680		.info =     snd_microii_spdif_info,
1681		.get =      snd_microii_spdif_default_get,
1682		.put =      snd_microii_spdif_default_put,
1683		.private_value = 0x00000100UL,/* reset value */
1684	},
1685	{
1686		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1687		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1688		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1689		.info =     snd_microii_spdif_info,
1690		.get =      snd_microii_spdif_mask_get,
1691	},
1692	{
1693		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1694		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1695		.info =     snd_ctl_boolean_mono_info,
1696		.get =      snd_microii_spdif_switch_get,
1697		.put =      snd_microii_spdif_switch_put,
1698		.private_value = 0x00000028UL,/* reset value */
1699	}
1700};
1701
1702static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1703{
1704	int err, i;
1705	static usb_mixer_elem_resume_func_t resume_funcs[] = {
1706		snd_microii_spdif_default_update,
1707		NULL,
1708		snd_microii_spdif_switch_update
1709	};
1710
1711	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1712		err = add_single_ctl_with_resume(mixer, 0,
1713						 resume_funcs[i],
1714						 &snd_microii_mixer_spdif[i],
1715						 NULL);
1716		if (err < 0)
1717			return err;
1718	}
1719
1720	return 0;
1721}
1722
1723int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1724{
1725	int err = 0;
1726	struct snd_info_entry *entry;
1727
1728	if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1729		return err;
1730
1731	switch (mixer->chip->usb_id) {
1732	case USB_ID(0x041e, 0x3020):
1733	case USB_ID(0x041e, 0x3040):
1734	case USB_ID(0x041e, 0x3042):
1735	case USB_ID(0x041e, 0x30df):
1736	case USB_ID(0x041e, 0x3048):
1737		err = snd_audigy2nx_controls_create(mixer);
1738		if (err < 0)
1739			break;
1740		if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1741			snd_info_set_text_ops(entry, mixer,
1742					      snd_audigy2nx_proc_read);
1743		break;
1744
1745	/* EMU0204 */
1746	case USB_ID(0x041e, 0x3f19):
1747		err = snd_emu0204_controls_create(mixer);
1748		if (err < 0)
1749			break;
1750		break;
1751
1752	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
1753	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
1754		err = snd_c400_create_mixer(mixer);
1755		break;
1756
1757	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1758	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1759		err = snd_ftu_create_mixer(mixer);
1760		break;
1761
1762	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
1763	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
1764	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
1765		err = snd_xonar_u1_controls_create(mixer);
1766		break;
1767
1768	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
1769		err = snd_microii_controls_create(mixer);
1770		break;
1771
1772	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
1773		err = snd_mbox1_create_sync_switch(mixer);
1774		break;
1775
1776	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1777		err = snd_nativeinstruments_create_mixer(mixer,
1778				snd_nativeinstruments_ta6_mixers,
1779				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1780		break;
1781
1782	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1783		err = snd_nativeinstruments_create_mixer(mixer,
1784				snd_nativeinstruments_ta10_mixers,
1785				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1786		break;
1787
1788	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1789		/* detection is disabled in mixer_maps.c */
1790		err = snd_create_std_mono_table(mixer, ebox44_table);
1791		break;
1792
1793	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
1794	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
1795	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
1796	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
1797	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
1798		err = snd_scarlett_controls_create(mixer);
1799		break;
1800	}
1801
1802	return err;
1803}
1804
1805void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1806				    int unitid)
1807{
1808	if (!mixer->rc_cfg)
1809		return;
1810	/* unit ids specific to Extigy/Audigy 2 NX: */
1811	switch (unitid) {
1812	case 0: /* remote control */
1813		mixer->rc_urb->dev = mixer->chip->dev;
1814		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1815		break;
1816	case 4: /* digital in jack */
1817	case 7: /* line in jacks */
1818	case 19: /* speaker out jacks */
1819	case 20: /* headphones out jack */
1820		break;
1821	/* live24ext: 4 = line-in jack */
1822	case 3:	/* hp-out jack (may actuate Mute) */
1823		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1824		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1825			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1826		break;
1827	default:
1828		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
1829		break;
1830	}
1831}
1832
1833static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
1834					 struct usb_mixer_elem_info *cval,
1835					 struct snd_kcontrol *kctl)
1836{
1837	/* Approximation using 10 ranges based on output measurement on hw v1.2.
1838	 * This seems close to the cubic mapping e.g. alsamixer uses. */
1839	static const DECLARE_TLV_DB_RANGE(scale,
1840		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
1841		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
1842		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
1843		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
1844		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
1845		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
1846		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
1847		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
1848		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
1849		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
1850	);
1851
1852	if (cval->min == 0 && cval->max == 50) {
1853		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
1854		kctl->tlv.p = scale;
1855		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1856		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1857
1858	} else if (cval->min == 0 && cval->max <= 1000) {
1859		/* Some other clearly broken DragonFly variant.
1860		 * At least a 0..53 variant (hw v1.0) exists.
1861		 */
1862		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
1863		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1864	}
1865}
1866
1867void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
1868				  struct usb_mixer_elem_info *cval, int unitid,
1869				  struct snd_kcontrol *kctl)
1870{
1871	switch (mixer->chip->usb_id) {
1872	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
1873		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
1874			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
1875		break;
1876	}
1877}
1878