1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   USB Audio Driver for ALSA
4  *
5  *   Quirks and vendor-specific extensions for mixer interfaces
6  *
7  *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8  *
9  *   Many codes borrowed from audio.c by
10  *	    Alan Cox (alan@lxorguk.ukuu.org.uk)
11  *	    Thomas Sailer (sailer@ife.ee.ethz.ch)
12  *
13  *   Audio Advantage Micro II support added by:
14  *	    Przemek Rudy (prudy1@o2.pl)
15  */
16 
17 #include <linux/bitfield.h>
18 #include <linux/hid.h>
19 #include <linux/init.h>
20 #include <linux/input.h>
21 #include <linux/math64.h>
22 #include <linux/slab.h>
23 #include <linux/usb.h>
24 #include <linux/usb/audio.h>
25 
26 #include <sound/asoundef.h>
27 #include <sound/core.h>
28 #include <sound/control.h>
29 #include <sound/hda_verbs.h>
30 #include <sound/hwdep.h>
31 #include <sound/info.h>
32 #include <sound/tlv.h>
33 
34 #include "usbaudio.h"
35 #include "mixer.h"
36 #include "mixer_quirks.h"
37 #include "mixer_scarlett.h"
38 #include "mixer_scarlett2.h"
39 #include "mixer_us16x08.h"
40 #include "mixer_s1810c.h"
41 #include "helper.h"
42 
43 struct std_mono_table {
44 	unsigned int unitid, control, cmask;
45 	int val_type;
46 	const char *name;
47 	snd_kcontrol_tlv_rw_t *tlv_callback;
48 };
49 
50 /* This function allows for the creation of standard UAC controls.
51  * See the quirks for M-Audio FTUs or Ebox-44.
52  * If you don't want to set a TLV callback pass NULL.
53  *
54  * Since there doesn't seem to be a devices that needs a multichannel
55  * version, we keep it mono for simplicity.
56  */
snd_create_std_mono_ctl_offset(struct usb_mixer_interface * mixer,unsigned int unitid,unsigned int control,unsigned int cmask,int val_type,unsigned int idx_off,const char * name,snd_kcontrol_tlv_rw_t * tlv_callback)57 static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
58 					  unsigned int unitid,
59 					  unsigned int control,
60 					  unsigned int cmask,
61 					  int val_type,
62 					  unsigned int idx_off,
63 					  const char *name,
64 					  snd_kcontrol_tlv_rw_t *tlv_callback)
65 {
66 	struct usb_mixer_elem_info *cval;
67 	struct snd_kcontrol *kctl;
68 
69 	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
70 	if (!cval)
71 		return -ENOMEM;
72 
73 	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
74 	cval->val_type = val_type;
75 	cval->channels = 1;
76 	cval->control = control;
77 	cval->cmask = cmask;
78 	cval->idx_off = idx_off;
79 
80 	/* get_min_max() is called only for integer volumes later,
81 	 * so provide a short-cut for booleans
82 	 */
83 	cval->min = 0;
84 	cval->max = 1;
85 	cval->res = 0;
86 	cval->dBmin = 0;
87 	cval->dBmax = 0;
88 
89 	/* Create control */
90 	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
91 	if (!kctl) {
92 		kfree(cval);
93 		return -ENOMEM;
94 	}
95 
96 	/* Set name */
97 	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
98 	kctl->private_free = snd_usb_mixer_elem_free;
99 
100 	/* set TLV */
101 	if (tlv_callback) {
102 		kctl->tlv.c = tlv_callback;
103 		kctl->vd[0].access |=
104 			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
105 			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
106 	}
107 	/* Add control to mixer */
108 	return snd_usb_mixer_add_control(&cval->head, kctl);
109 }
110 
snd_create_std_mono_ctl(struct usb_mixer_interface * mixer,unsigned int unitid,unsigned int control,unsigned int cmask,int val_type,const char * name,snd_kcontrol_tlv_rw_t * tlv_callback)111 static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
112 				   unsigned int unitid,
113 				   unsigned int control,
114 				   unsigned int cmask,
115 				   int val_type,
116 				   const char *name,
117 				   snd_kcontrol_tlv_rw_t *tlv_callback)
118 {
119 	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
120 					      val_type, 0 /* Offset */,
121 					      name, tlv_callback);
122 }
123 
124 /*
125  * Create a set of standard UAC controls from a table
126  */
snd_create_std_mono_table(struct usb_mixer_interface * mixer,const struct std_mono_table * t)127 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
128 				     const struct std_mono_table *t)
129 {
130 	int err;
131 
132 	while (t->name) {
133 		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
134 					      t->cmask, t->val_type, t->name,
135 					      t->tlv_callback);
136 		if (err < 0)
137 			return err;
138 		t++;
139 	}
140 
141 	return 0;
142 }
143 
add_single_ctl_with_resume(struct usb_mixer_interface * mixer,int id,usb_mixer_elem_resume_func_t resume,const struct snd_kcontrol_new * knew,struct usb_mixer_elem_list ** listp)144 static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
145 				      int id,
146 				      usb_mixer_elem_resume_func_t resume,
147 				      const struct snd_kcontrol_new *knew,
148 				      struct usb_mixer_elem_list **listp)
149 {
150 	struct usb_mixer_elem_list *list;
151 	struct snd_kcontrol *kctl;
152 
153 	list = kzalloc(sizeof(*list), GFP_KERNEL);
154 	if (!list)
155 		return -ENOMEM;
156 	if (listp)
157 		*listp = list;
158 	list->mixer = mixer;
159 	list->id = id;
160 	list->resume = resume;
161 	kctl = snd_ctl_new1(knew, list);
162 	if (!kctl) {
163 		kfree(list);
164 		return -ENOMEM;
165 	}
166 	kctl->private_free = snd_usb_mixer_elem_free;
167 	/* don't use snd_usb_mixer_add_control() here, this is a special list element */
168 	return snd_usb_mixer_add_list(list, kctl, false);
169 }
170 
171 /*
172  * Sound Blaster remote control configuration
173  *
174  * format of remote control data:
175  * Extigy:       xx 00
176  * Audigy 2 NX:  06 80 xx 00 00 00
177  * Live! 24-bit: 06 80 xx yy 22 83
178  */
179 static const struct rc_config {
180 	u32 usb_id;
181 	u8  offset;
182 	u8  length;
183 	u8  packet_length;
184 	u8  min_packet_length; /* minimum accepted length of the URB result */
185 	u8  mute_mixer_id;
186 	u32 mute_code;
187 } rc_configs[] = {
188 	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
189 	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
190 	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
191 	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
192 	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
193 	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
194 	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
195 	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
196 };
197 
snd_usb_soundblaster_remote_complete(struct urb * urb)198 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
199 {
200 	struct usb_mixer_interface *mixer = urb->context;
201 	const struct rc_config *rc = mixer->rc_cfg;
202 	u32 code;
203 
204 	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
205 		return;
206 
207 	code = mixer->rc_buffer[rc->offset];
208 	if (rc->length == 2)
209 		code |= mixer->rc_buffer[rc->offset + 1] << 8;
210 
211 	/* the Mute button actually changes the mixer control */
212 	if (code == rc->mute_code)
213 		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
214 	mixer->rc_code = code;
215 	wake_up(&mixer->rc_waitq);
216 }
217 
snd_usb_sbrc_hwdep_read(struct snd_hwdep * hw,char __user * buf,long count,loff_t * offset)218 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
219 				    long count, loff_t *offset)
220 {
221 	struct usb_mixer_interface *mixer = hw->private_data;
222 	int err;
223 	u32 rc_code;
224 
225 	if (count != 1 && count != 4)
226 		return -EINVAL;
227 	err = wait_event_interruptible(mixer->rc_waitq,
228 				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
229 	if (err == 0) {
230 		if (count == 1)
231 			err = put_user(rc_code, buf);
232 		else
233 			err = put_user(rc_code, (u32 __user *)buf);
234 	}
235 	return err < 0 ? err : count;
236 }
237 
snd_usb_sbrc_hwdep_poll(struct snd_hwdep * hw,struct file * file,poll_table * wait)238 static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
239 					poll_table *wait)
240 {
241 	struct usb_mixer_interface *mixer = hw->private_data;
242 
243 	poll_wait(file, &mixer->rc_waitq, wait);
244 	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
245 }
246 
snd_usb_soundblaster_remote_init(struct usb_mixer_interface * mixer)247 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
248 {
249 	struct snd_hwdep *hwdep;
250 	int err, len, i;
251 
252 	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
253 		if (rc_configs[i].usb_id == mixer->chip->usb_id)
254 			break;
255 	if (i >= ARRAY_SIZE(rc_configs))
256 		return 0;
257 	mixer->rc_cfg = &rc_configs[i];
258 
259 	len = mixer->rc_cfg->packet_length;
260 
261 	init_waitqueue_head(&mixer->rc_waitq);
262 	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
263 	if (err < 0)
264 		return err;
265 	snprintf(hwdep->name, sizeof(hwdep->name),
266 		 "%s remote control", mixer->chip->card->shortname);
267 	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
268 	hwdep->private_data = mixer;
269 	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
270 	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
271 	hwdep->exclusive = 1;
272 
273 	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
274 	if (!mixer->rc_urb)
275 		return -ENOMEM;
276 	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
277 	if (!mixer->rc_setup_packet) {
278 		usb_free_urb(mixer->rc_urb);
279 		mixer->rc_urb = NULL;
280 		return -ENOMEM;
281 	}
282 	mixer->rc_setup_packet->bRequestType =
283 		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
284 	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
285 	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
286 	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
287 	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
288 	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
289 			     usb_rcvctrlpipe(mixer->chip->dev, 0),
290 			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
291 			     snd_usb_soundblaster_remote_complete, mixer);
292 	return 0;
293 }
294 
295 #define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
296 
snd_audigy2nx_led_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)297 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
298 {
299 	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
300 	return 0;
301 }
302 
snd_audigy2nx_led_update(struct usb_mixer_interface * mixer,int value,int index)303 static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
304 				    int value, int index)
305 {
306 	struct snd_usb_audio *chip = mixer->chip;
307 	int err;
308 
309 	err = snd_usb_lock_shutdown(chip);
310 	if (err < 0)
311 		return err;
312 
313 	if (chip->usb_id == USB_ID(0x041e, 0x3042))
314 		err = snd_usb_ctl_msg(chip->dev,
315 				      usb_sndctrlpipe(chip->dev, 0), 0x24,
316 				      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
317 				      !value, 0, NULL, 0);
318 	/* USB X-Fi S51 Pro */
319 	if (chip->usb_id == USB_ID(0x041e, 0x30df))
320 		err = snd_usb_ctl_msg(chip->dev,
321 				      usb_sndctrlpipe(chip->dev, 0), 0x24,
322 				      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
323 				      !value, 0, NULL, 0);
324 	else
325 		err = snd_usb_ctl_msg(chip->dev,
326 				      usb_sndctrlpipe(chip->dev, 0), 0x24,
327 				      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
328 				      value, index + 2, NULL, 0);
329 	snd_usb_unlock_shutdown(chip);
330 	return err;
331 }
332 
snd_audigy2nx_led_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)333 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
334 				 struct snd_ctl_elem_value *ucontrol)
335 {
336 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
337 	struct usb_mixer_interface *mixer = list->mixer;
338 	int index = kcontrol->private_value & 0xff;
339 	unsigned int value = ucontrol->value.integer.value[0];
340 	int old_value = kcontrol->private_value >> 8;
341 	int err;
342 
343 	if (value > 1)
344 		return -EINVAL;
345 	if (value == old_value)
346 		return 0;
347 	kcontrol->private_value = (value << 8) | index;
348 	err = snd_audigy2nx_led_update(mixer, value, index);
349 	return err < 0 ? err : 1;
350 }
351 
snd_audigy2nx_led_resume(struct usb_mixer_elem_list * list)352 static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
353 {
354 	int priv_value = list->kctl->private_value;
355 
356 	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
357 					priv_value & 0xff);
358 }
359 
360 /* name and private_value are set dynamically */
361 static const struct snd_kcontrol_new snd_audigy2nx_control = {
362 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
363 	.info = snd_audigy2nx_led_info,
364 	.get = snd_audigy2nx_led_get,
365 	.put = snd_audigy2nx_led_put,
366 };
367 
368 static const char * const snd_audigy2nx_led_names[] = {
369 	"CMSS LED Switch",
370 	"Power LED Switch",
371 	"Dolby Digital LED Switch",
372 };
373 
snd_audigy2nx_controls_create(struct usb_mixer_interface * mixer)374 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
375 {
376 	int i, err;
377 
378 	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
379 		struct snd_kcontrol_new knew;
380 
381 		/* USB X-Fi S51 doesn't have a CMSS LED */
382 		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042) && i == 0)
383 			continue;
384 		/* USB X-Fi S51 Pro doesn't have one either */
385 		if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df) && i == 0)
386 			continue;
387 		if (i > 1 && /* Live24ext has 2 LEDs only */
388 			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
389 			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
390 			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
391 			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
392 			break;
393 
394 		knew = snd_audigy2nx_control;
395 		knew.name = snd_audigy2nx_led_names[i];
396 		knew.private_value = (1 << 8) | i; /* LED on as default */
397 		err = add_single_ctl_with_resume(mixer, 0,
398 						 snd_audigy2nx_led_resume,
399 						 &knew, NULL);
400 		if (err < 0)
401 			return err;
402 	}
403 	return 0;
404 }
405 
snd_audigy2nx_proc_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)406 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
407 				    struct snd_info_buffer *buffer)
408 {
409 	static const struct sb_jack {
410 		int unitid;
411 		const char *name;
412 	}  jacks_audigy2nx[] = {
413 		{4,  "dig in "},
414 		{7,  "line in"},
415 		{19, "spk out"},
416 		{20, "hph out"},
417 		{-1, NULL}
418 	}, jacks_live24ext[] = {
419 		{4,  "line in"}, /* &1=Line, &2=Mic*/
420 		{3,  "hph out"}, /* headphones */
421 		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
422 		{-1, NULL}
423 	};
424 	const struct sb_jack *jacks;
425 	struct usb_mixer_interface *mixer = entry->private_data;
426 	int i, err;
427 	u8 buf[3];
428 
429 	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
430 	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
431 		jacks = jacks_audigy2nx;
432 	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
433 		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
434 		jacks = jacks_live24ext;
435 	else
436 		return;
437 
438 	for (i = 0; jacks[i].name; ++i) {
439 		snd_iprintf(buffer, "%s: ", jacks[i].name);
440 		err = snd_usb_lock_shutdown(mixer->chip);
441 		if (err < 0)
442 			return;
443 		err = snd_usb_ctl_msg(mixer->chip->dev,
444 				      usb_rcvctrlpipe(mixer->chip->dev, 0),
445 				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
446 				      USB_RECIP_INTERFACE, 0,
447 				      jacks[i].unitid << 8, buf, 3);
448 		snd_usb_unlock_shutdown(mixer->chip);
449 		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
450 			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
451 		else
452 			snd_iprintf(buffer, "?\n");
453 	}
454 }
455 
456 /* EMU0204 */
snd_emu0204_ch_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)457 static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
458 				      struct snd_ctl_elem_info *uinfo)
459 {
460 	static const char * const texts[2] = {"1/2", "3/4"};
461 
462 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
463 }
464 
snd_emu0204_ch_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)465 static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
466 				     struct snd_ctl_elem_value *ucontrol)
467 {
468 	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
469 	return 0;
470 }
471 
snd_emu0204_ch_switch_update(struct usb_mixer_interface * mixer,int value)472 static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
473 					int value)
474 {
475 	struct snd_usb_audio *chip = mixer->chip;
476 	int err;
477 	unsigned char buf[2];
478 
479 	err = snd_usb_lock_shutdown(chip);
480 	if (err < 0)
481 		return err;
482 
483 	buf[0] = 0x01;
484 	buf[1] = value ? 0x02 : 0x01;
485 	err = snd_usb_ctl_msg(chip->dev,
486 			      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
487 			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
488 			      0x0400, 0x0e00, buf, 2);
489 	snd_usb_unlock_shutdown(chip);
490 	return err;
491 }
492 
snd_emu0204_ch_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)493 static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
494 				     struct snd_ctl_elem_value *ucontrol)
495 {
496 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
497 	struct usb_mixer_interface *mixer = list->mixer;
498 	unsigned int value = ucontrol->value.enumerated.item[0];
499 	int err;
500 
501 	if (value > 1)
502 		return -EINVAL;
503 
504 	if (value == kcontrol->private_value)
505 		return 0;
506 
507 	kcontrol->private_value = value;
508 	err = snd_emu0204_ch_switch_update(mixer, value);
509 	return err < 0 ? err : 1;
510 }
511 
snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list * list)512 static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
513 {
514 	return snd_emu0204_ch_switch_update(list->mixer,
515 					    list->kctl->private_value);
516 }
517 
518 static const struct snd_kcontrol_new snd_emu0204_control = {
519 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
520 	.name = "Front Jack Channels",
521 	.info = snd_emu0204_ch_switch_info,
522 	.get = snd_emu0204_ch_switch_get,
523 	.put = snd_emu0204_ch_switch_put,
524 	.private_value = 0,
525 };
526 
snd_emu0204_controls_create(struct usb_mixer_interface * mixer)527 static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
528 {
529 	return add_single_ctl_with_resume(mixer, 0,
530 					  snd_emu0204_ch_switch_resume,
531 					  &snd_emu0204_control, NULL);
532 }
533 
534 #if IS_REACHABLE(CONFIG_INPUT)
535 /*
536  * Sony DualSense controller (PS5) jack detection
537  *
538  * Since this is an UAC 1 device, it doesn't support jack detection.
539  * However, the controller hid-playstation driver reports HP & MIC
540  * insert events through a dedicated input device.
541  */
542 
543 #define SND_DUALSENSE_JACK_OUT_TERM_ID 3
544 #define SND_DUALSENSE_JACK_IN_TERM_ID 4
545 
546 struct dualsense_mixer_elem_info {
547 	struct usb_mixer_elem_info info;
548 	struct input_handler ih;
549 	struct input_device_id id_table[2];
550 	bool connected;
551 };
552 
snd_dualsense_ih_event(struct input_handle * handle,unsigned int type,unsigned int code,int value)553 static void snd_dualsense_ih_event(struct input_handle *handle,
554 				   unsigned int type, unsigned int code,
555 				   int value)
556 {
557 	struct dualsense_mixer_elem_info *mei;
558 	struct usb_mixer_elem_list *me;
559 
560 	if (type != EV_SW)
561 		return;
562 
563 	mei = container_of(handle->handler, struct dualsense_mixer_elem_info, ih);
564 	me = &mei->info.head;
565 
566 	if ((me->id == SND_DUALSENSE_JACK_OUT_TERM_ID && code == SW_HEADPHONE_INSERT) ||
567 	    (me->id == SND_DUALSENSE_JACK_IN_TERM_ID && code == SW_MICROPHONE_INSERT)) {
568 		mei->connected = !!value;
569 		snd_ctl_notify(me->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
570 			       &me->kctl->id);
571 	}
572 }
573 
snd_dualsense_ih_match(struct input_handler * handler,struct input_dev * dev)574 static bool snd_dualsense_ih_match(struct input_handler *handler,
575 				   struct input_dev *dev)
576 {
577 	struct dualsense_mixer_elem_info *mei;
578 	struct usb_device *snd_dev;
579 	char *input_dev_path, *usb_dev_path;
580 	size_t usb_dev_path_len;
581 	bool match = false;
582 
583 	mei = container_of(handler, struct dualsense_mixer_elem_info, ih);
584 	snd_dev = mei->info.head.mixer->chip->dev;
585 
586 	input_dev_path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
587 	if (!input_dev_path) {
588 		dev_warn(&snd_dev->dev, "Failed to get input dev path\n");
589 		return false;
590 	}
591 
592 	usb_dev_path = kobject_get_path(&snd_dev->dev.kobj, GFP_KERNEL);
593 	if (!usb_dev_path) {
594 		dev_warn(&snd_dev->dev, "Failed to get USB dev path\n");
595 		goto free_paths;
596 	}
597 
598 	/*
599 	 * Ensure the VID:PID matched input device supposedly owned by the
600 	 * hid-playstation driver belongs to the actual hardware handled by
601 	 * the current USB audio device, which implies input_dev_path being
602 	 * a subpath of usb_dev_path.
603 	 *
604 	 * This verification is necessary when there is more than one identical
605 	 * controller attached to the host system.
606 	 */
607 	usb_dev_path_len = strlen(usb_dev_path);
608 	if (usb_dev_path_len >= strlen(input_dev_path))
609 		goto free_paths;
610 
611 	usb_dev_path[usb_dev_path_len] = '/';
612 	match = !memcmp(input_dev_path, usb_dev_path, usb_dev_path_len + 1);
613 
614 free_paths:
615 	kfree(input_dev_path);
616 	kfree(usb_dev_path);
617 
618 	return match;
619 }
620 
snd_dualsense_ih_connect(struct input_handler * handler,struct input_dev * dev,const struct input_device_id * id)621 static int snd_dualsense_ih_connect(struct input_handler *handler,
622 				    struct input_dev *dev,
623 				    const struct input_device_id *id)
624 {
625 	struct input_handle *handle;
626 	int err;
627 
628 	handle = kzalloc(sizeof(*handle), GFP_KERNEL);
629 	if (!handle)
630 		return -ENOMEM;
631 
632 	handle->dev = dev;
633 	handle->handler = handler;
634 	handle->name = handler->name;
635 
636 	err = input_register_handle(handle);
637 	if (err)
638 		goto err_free;
639 
640 	err = input_open_device(handle);
641 	if (err)
642 		goto err_unregister;
643 
644 	return 0;
645 
646 err_unregister:
647 	input_unregister_handle(handle);
648 err_free:
649 	kfree(handle);
650 	return err;
651 }
652 
snd_dualsense_ih_disconnect(struct input_handle * handle)653 static void snd_dualsense_ih_disconnect(struct input_handle *handle)
654 {
655 	input_close_device(handle);
656 	input_unregister_handle(handle);
657 	kfree(handle);
658 }
659 
snd_dualsense_ih_start(struct input_handle * handle)660 static void snd_dualsense_ih_start(struct input_handle *handle)
661 {
662 	struct dualsense_mixer_elem_info *mei;
663 	struct usb_mixer_elem_list *me;
664 	int status = -1;
665 
666 	mei = container_of(handle->handler, struct dualsense_mixer_elem_info, ih);
667 	me = &mei->info.head;
668 
669 	if (me->id == SND_DUALSENSE_JACK_OUT_TERM_ID &&
670 	    test_bit(SW_HEADPHONE_INSERT, handle->dev->swbit))
671 		status = test_bit(SW_HEADPHONE_INSERT, handle->dev->sw);
672 	else if (me->id == SND_DUALSENSE_JACK_IN_TERM_ID &&
673 		 test_bit(SW_MICROPHONE_INSERT, handle->dev->swbit))
674 		status = test_bit(SW_MICROPHONE_INSERT, handle->dev->sw);
675 
676 	if (status >= 0) {
677 		mei->connected = !!status;
678 		snd_ctl_notify(me->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
679 			       &me->kctl->id);
680 	}
681 }
682 
snd_dualsense_jack_get(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)683 static int snd_dualsense_jack_get(struct snd_kcontrol *kctl,
684 				  struct snd_ctl_elem_value *ucontrol)
685 {
686 	struct dualsense_mixer_elem_info *mei = snd_kcontrol_chip(kctl);
687 
688 	ucontrol->value.integer.value[0] = mei->connected;
689 
690 	return 0;
691 }
692 
693 static const struct snd_kcontrol_new snd_dualsense_jack_control = {
694 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
695 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
696 	.info = snd_ctl_boolean_mono_info,
697 	.get = snd_dualsense_jack_get,
698 };
699 
snd_dualsense_resume_jack(struct usb_mixer_elem_list * list)700 static int snd_dualsense_resume_jack(struct usb_mixer_elem_list *list)
701 {
702 	snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
703 		       &list->kctl->id);
704 	return 0;
705 }
706 
snd_dualsense_mixer_elem_free(struct snd_kcontrol * kctl)707 static void snd_dualsense_mixer_elem_free(struct snd_kcontrol *kctl)
708 {
709 	struct dualsense_mixer_elem_info *mei = snd_kcontrol_chip(kctl);
710 
711 	if (mei->ih.event)
712 		input_unregister_handler(&mei->ih);
713 
714 	snd_usb_mixer_elem_free(kctl);
715 }
716 
snd_dualsense_jack_create(struct usb_mixer_interface * mixer,const char * name,bool is_output)717 static int snd_dualsense_jack_create(struct usb_mixer_interface *mixer,
718 				     const char *name, bool is_output)
719 {
720 	struct dualsense_mixer_elem_info *mei;
721 	struct input_device_id *idev_id;
722 	struct snd_kcontrol *kctl;
723 	int err;
724 
725 	mei = kzalloc(sizeof(*mei), GFP_KERNEL);
726 	if (!mei)
727 		return -ENOMEM;
728 
729 	snd_usb_mixer_elem_init_std(&mei->info.head, mixer,
730 				    is_output ? SND_DUALSENSE_JACK_OUT_TERM_ID :
731 						SND_DUALSENSE_JACK_IN_TERM_ID);
732 
733 	mei->info.head.resume = snd_dualsense_resume_jack;
734 	mei->info.val_type = USB_MIXER_BOOLEAN;
735 	mei->info.channels = 1;
736 	mei->info.min = 0;
737 	mei->info.max = 1;
738 
739 	kctl = snd_ctl_new1(&snd_dualsense_jack_control, mei);
740 	if (!kctl) {
741 		kfree(mei);
742 		return -ENOMEM;
743 	}
744 
745 	strscpy(kctl->id.name, name, sizeof(kctl->id.name));
746 	kctl->private_free = snd_dualsense_mixer_elem_free;
747 
748 	err = snd_usb_mixer_add_control(&mei->info.head, kctl);
749 	if (err)
750 		return err;
751 
752 	idev_id = &mei->id_table[0];
753 	idev_id->flags = INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT |
754 			 INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT;
755 	idev_id->vendor = USB_ID_VENDOR(mixer->chip->usb_id);
756 	idev_id->product = USB_ID_PRODUCT(mixer->chip->usb_id);
757 	idev_id->evbit[BIT_WORD(EV_SW)] = BIT_MASK(EV_SW);
758 	if (is_output)
759 		idev_id->swbit[BIT_WORD(SW_HEADPHONE_INSERT)] = BIT_MASK(SW_HEADPHONE_INSERT);
760 	else
761 		idev_id->swbit[BIT_WORD(SW_MICROPHONE_INSERT)] = BIT_MASK(SW_MICROPHONE_INSERT);
762 
763 	mei->ih.event = snd_dualsense_ih_event;
764 	mei->ih.match = snd_dualsense_ih_match;
765 	mei->ih.connect = snd_dualsense_ih_connect;
766 	mei->ih.disconnect = snd_dualsense_ih_disconnect;
767 	mei->ih.start = snd_dualsense_ih_start;
768 	mei->ih.name = name;
769 	mei->ih.id_table = mei->id_table;
770 
771 	err = input_register_handler(&mei->ih);
772 	if (err) {
773 		dev_warn(&mixer->chip->dev->dev,
774 			 "Could not register input handler: %d\n", err);
775 		mei->ih.event = NULL;
776 	}
777 
778 	return 0;
779 }
780 
snd_dualsense_controls_create(struct usb_mixer_interface * mixer)781 static int snd_dualsense_controls_create(struct usb_mixer_interface *mixer)
782 {
783 	int err;
784 
785 	err = snd_dualsense_jack_create(mixer, "Headphone Jack", true);
786 	if (err < 0)
787 		return err;
788 
789 	return snd_dualsense_jack_create(mixer, "Headset Mic Jack", false);
790 }
791 #endif /* IS_REACHABLE(CONFIG_INPUT) */
792 
793 /* ASUS Xonar U1 / U3 controls */
794 
snd_xonar_u1_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)795 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
796 				   struct snd_ctl_elem_value *ucontrol)
797 {
798 	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
799 	return 0;
800 }
801 
snd_xonar_u1_switch_update(struct usb_mixer_interface * mixer,unsigned char status)802 static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
803 				      unsigned char status)
804 {
805 	struct snd_usb_audio *chip = mixer->chip;
806 	int err;
807 
808 	err = snd_usb_lock_shutdown(chip);
809 	if (err < 0)
810 		return err;
811 	err = snd_usb_ctl_msg(chip->dev,
812 			      usb_sndctrlpipe(chip->dev, 0), 0x08,
813 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
814 			      50, 0, &status, 1);
815 	snd_usb_unlock_shutdown(chip);
816 	return err;
817 }
818 
snd_xonar_u1_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)819 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
820 				   struct snd_ctl_elem_value *ucontrol)
821 {
822 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
823 	u8 old_status, new_status;
824 	int err;
825 
826 	old_status = kcontrol->private_value;
827 	if (ucontrol->value.integer.value[0])
828 		new_status = old_status | 0x02;
829 	else
830 		new_status = old_status & ~0x02;
831 	if (new_status == old_status)
832 		return 0;
833 
834 	kcontrol->private_value = new_status;
835 	err = snd_xonar_u1_switch_update(list->mixer, new_status);
836 	return err < 0 ? err : 1;
837 }
838 
snd_xonar_u1_switch_resume(struct usb_mixer_elem_list * list)839 static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
840 {
841 	return snd_xonar_u1_switch_update(list->mixer,
842 					  list->kctl->private_value);
843 }
844 
845 static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
846 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
847 	.name = "Digital Playback Switch",
848 	.info = snd_ctl_boolean_mono_info,
849 	.get = snd_xonar_u1_switch_get,
850 	.put = snd_xonar_u1_switch_put,
851 	.private_value = 0x05,
852 };
853 
snd_xonar_u1_controls_create(struct usb_mixer_interface * mixer)854 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
855 {
856 	return add_single_ctl_with_resume(mixer, 0,
857 					  snd_xonar_u1_switch_resume,
858 					  &snd_xonar_u1_output_switch, NULL);
859 }
860 
861 /* Digidesign Mbox 1 helper functions */
862 
snd_mbox1_is_spdif_synced(struct snd_usb_audio * chip)863 static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)
864 {
865 	unsigned char buff[3];
866 	int err;
867 	int is_spdif_synced;
868 
869 	/* Read clock source */
870 	err = snd_usb_ctl_msg(chip->dev,
871 			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
872 			      USB_DIR_IN |
873 			      USB_TYPE_CLASS |
874 			      USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
875 	if (err < 0)
876 		return err;
877 
878 	/* spdif sync: buff is all zeroes */
879 	is_spdif_synced = !(buff[0] | buff[1] | buff[2]);
880 	return is_spdif_synced;
881 }
882 
snd_mbox1_set_clk_source(struct snd_usb_audio * chip,int rate_or_zero)883 static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)
884 {
885 	/* 2 possibilities:	Internal    -> expects sample rate
886 	 *			S/PDIF sync -> expects rate = 0
887 	 */
888 	unsigned char buff[3];
889 
890 	buff[0] = (rate_or_zero >>  0) & 0xff;
891 	buff[1] = (rate_or_zero >>  8) & 0xff;
892 	buff[2] = (rate_or_zero >> 16) & 0xff;
893 
894 	/* Set clock source */
895 	return snd_usb_ctl_msg(chip->dev,
896 			       usb_sndctrlpipe(chip->dev, 0), 0x1,
897 			       USB_TYPE_CLASS |
898 			       USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
899 }
900 
snd_mbox1_is_spdif_input(struct snd_usb_audio * chip)901 static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)
902 {
903 	/* Hardware gives 2 possibilities:	ANALOG Source  -> 0x01
904 	 *					S/PDIF Source  -> 0x02
905 	 */
906 	int err;
907 	unsigned char source[1];
908 
909 	/* Read input source */
910 	err = snd_usb_ctl_msg(chip->dev,
911 			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
912 			      USB_DIR_IN |
913 			      USB_TYPE_CLASS |
914 			      USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);
915 	if (err < 0)
916 		return err;
917 
918 	return (source[0] == 2);
919 }
920 
snd_mbox1_set_input_source(struct snd_usb_audio * chip,int is_spdif)921 static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)
922 {
923 	/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF
924 	 * Hardware expects 2 possibilities:	ANALOG Source  -> 0x01
925 	 *					S/PDIF Source  -> 0x02
926 	 */
927 	unsigned char buff[1];
928 
929 	buff[0] = (is_spdif & 1) + 1;
930 
931 	/* Set input source */
932 	return snd_usb_ctl_msg(chip->dev,
933 			       usb_sndctrlpipe(chip->dev, 0), 0x1,
934 			       USB_TYPE_CLASS |
935 			       USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
936 }
937 
938 /* Digidesign Mbox 1 clock source switch (internal/spdif) */
939 
snd_mbox1_clk_switch_get(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)940 static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,
941 				    struct snd_ctl_elem_value *ucontrol)
942 {
943 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
944 	struct snd_usb_audio *chip = list->mixer->chip;
945 	int err;
946 
947 	err = snd_usb_lock_shutdown(chip);
948 	if (err < 0)
949 		goto err;
950 
951 	err = snd_mbox1_is_spdif_synced(chip);
952 	if (err < 0)
953 		goto err;
954 
955 	kctl->private_value = err;
956 	err = 0;
957 	ucontrol->value.enumerated.item[0] = kctl->private_value;
958 err:
959 	snd_usb_unlock_shutdown(chip);
960 	return err;
961 }
962 
snd_mbox1_clk_switch_update(struct usb_mixer_interface * mixer,int is_spdif_sync)963 static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)
964 {
965 	struct snd_usb_audio *chip = mixer->chip;
966 	int err;
967 
968 	err = snd_usb_lock_shutdown(chip);
969 	if (err < 0)
970 		return err;
971 
972 	err = snd_mbox1_is_spdif_input(chip);
973 	if (err < 0)
974 		goto err;
975 
976 	err = snd_mbox1_is_spdif_synced(chip);
977 	if (err < 0)
978 		goto err;
979 
980 	/* FIXME: hardcoded sample rate */
981 	err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);
982 	if (err < 0)
983 		goto err;
984 
985 	err = snd_mbox1_is_spdif_synced(chip);
986 err:
987 	snd_usb_unlock_shutdown(chip);
988 	return err;
989 }
990 
snd_mbox1_clk_switch_put(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)991 static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,
992 				    struct snd_ctl_elem_value *ucontrol)
993 {
994 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
995 	struct usb_mixer_interface *mixer = list->mixer;
996 	int err;
997 	bool cur_val, new_val;
998 
999 	cur_val = kctl->private_value;
1000 	new_val = ucontrol->value.enumerated.item[0];
1001 	if (cur_val == new_val)
1002 		return 0;
1003 
1004 	kctl->private_value = new_val;
1005 	err = snd_mbox1_clk_switch_update(mixer, new_val);
1006 	return err < 0 ? err : 1;
1007 }
1008 
snd_mbox1_clk_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1009 static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,
1010 				     struct snd_ctl_elem_info *uinfo)
1011 {
1012 	static const char *const texts[2] = {
1013 		"Internal",
1014 		"S/PDIF"
1015 	};
1016 
1017 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1018 }
1019 
snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list * list)1020 static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)
1021 {
1022 	return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);
1023 }
1024 
1025 /* Digidesign Mbox 1 input source switch (analog/spdif) */
1026 
snd_mbox1_src_switch_get(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)1027 static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,
1028 				    struct snd_ctl_elem_value *ucontrol)
1029 {
1030 	ucontrol->value.enumerated.item[0] = kctl->private_value;
1031 	return 0;
1032 }
1033 
snd_mbox1_src_switch_update(struct usb_mixer_interface * mixer,int is_spdif_input)1034 static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)
1035 {
1036 	struct snd_usb_audio *chip = mixer->chip;
1037 	int err;
1038 
1039 	err = snd_usb_lock_shutdown(chip);
1040 	if (err < 0)
1041 		return err;
1042 
1043 	err = snd_mbox1_is_spdif_input(chip);
1044 	if (err < 0)
1045 		goto err;
1046 
1047 	err = snd_mbox1_set_input_source(chip, is_spdif_input);
1048 	if (err < 0)
1049 		goto err;
1050 
1051 	err = snd_mbox1_is_spdif_input(chip);
1052 	if (err < 0)
1053 		goto err;
1054 
1055 	err = snd_mbox1_is_spdif_synced(chip);
1056 err:
1057 	snd_usb_unlock_shutdown(chip);
1058 	return err;
1059 }
1060 
snd_mbox1_src_switch_put(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)1061 static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,
1062 				    struct snd_ctl_elem_value *ucontrol)
1063 {
1064 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
1065 	struct usb_mixer_interface *mixer = list->mixer;
1066 	int err;
1067 	bool cur_val, new_val;
1068 
1069 	cur_val = kctl->private_value;
1070 	new_val = ucontrol->value.enumerated.item[0];
1071 	if (cur_val == new_val)
1072 		return 0;
1073 
1074 	kctl->private_value = new_val;
1075 	err = snd_mbox1_src_switch_update(mixer, new_val);
1076 	return err < 0 ? err : 1;
1077 }
1078 
snd_mbox1_src_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1079 static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,
1080 				     struct snd_ctl_elem_info *uinfo)
1081 {
1082 	static const char *const texts[2] = {
1083 		"Analog",
1084 		"S/PDIF"
1085 	};
1086 
1087 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1088 }
1089 
snd_mbox1_src_switch_resume(struct usb_mixer_elem_list * list)1090 static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)
1091 {
1092 	return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);
1093 }
1094 
1095 static const struct snd_kcontrol_new snd_mbox1_clk_switch = {
1096 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1097 	.name = "Clock Source",
1098 	.index = 0,
1099 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1100 	.info = snd_mbox1_clk_switch_info,
1101 	.get = snd_mbox1_clk_switch_get,
1102 	.put = snd_mbox1_clk_switch_put,
1103 	.private_value = 0
1104 };
1105 
1106 static const struct snd_kcontrol_new snd_mbox1_src_switch = {
1107 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1108 	.name = "Input Source",
1109 	.index = 1,
1110 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1111 	.info = snd_mbox1_src_switch_info,
1112 	.get = snd_mbox1_src_switch_get,
1113 	.put = snd_mbox1_src_switch_put,
1114 	.private_value = 0
1115 };
1116 
snd_mbox1_controls_create(struct usb_mixer_interface * mixer)1117 static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)
1118 {
1119 	int err;
1120 	err = add_single_ctl_with_resume(mixer, 0,
1121 					 snd_mbox1_clk_switch_resume,
1122 					 &snd_mbox1_clk_switch, NULL);
1123 	if (err < 0)
1124 		return err;
1125 
1126 	return add_single_ctl_with_resume(mixer, 1,
1127 					  snd_mbox1_src_switch_resume,
1128 					  &snd_mbox1_src_switch, NULL);
1129 }
1130 
1131 /* Native Instruments device quirks */
1132 
1133 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
1134 
snd_ni_control_init_val(struct usb_mixer_interface * mixer,struct snd_kcontrol * kctl)1135 static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
1136 				   struct snd_kcontrol *kctl)
1137 {
1138 	struct usb_device *dev = mixer->chip->dev;
1139 	unsigned int pval = kctl->private_value;
1140 	u8 value;
1141 	int err;
1142 
1143 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
1144 			      (pval >> 16) & 0xff,
1145 			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
1146 			      0, pval & 0xffff, &value, 1);
1147 	if (err < 0) {
1148 		dev_err(&dev->dev,
1149 			"unable to issue vendor read request (ret = %d)", err);
1150 		return err;
1151 	}
1152 
1153 	kctl->private_value |= ((unsigned int)value << 24);
1154 	return 0;
1155 }
1156 
snd_nativeinstruments_control_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1157 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
1158 					     struct snd_ctl_elem_value *ucontrol)
1159 {
1160 	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
1161 	return 0;
1162 }
1163 
snd_ni_update_cur_val(struct usb_mixer_elem_list * list)1164 static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
1165 {
1166 	struct snd_usb_audio *chip = list->mixer->chip;
1167 	unsigned int pval = list->kctl->private_value;
1168 	int err;
1169 
1170 	err = snd_usb_lock_shutdown(chip);
1171 	if (err < 0)
1172 		return err;
1173 	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
1174 			      (pval >> 16) & 0xff,
1175 			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
1176 			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
1177 	snd_usb_unlock_shutdown(chip);
1178 	return err;
1179 }
1180 
snd_nativeinstruments_control_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1181 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
1182 					     struct snd_ctl_elem_value *ucontrol)
1183 {
1184 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1185 	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
1186 	u8 newval = ucontrol->value.integer.value[0];
1187 	int err;
1188 
1189 	if (oldval == newval)
1190 		return 0;
1191 
1192 	kcontrol->private_value &= ~(0xff << 24);
1193 	kcontrol->private_value |= (unsigned int)newval << 24;
1194 	err = snd_ni_update_cur_val(list);
1195 	return err < 0 ? err : 1;
1196 }
1197 
1198 static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
1199 	{
1200 		.name = "Direct Thru Channel A",
1201 		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
1202 	},
1203 	{
1204 		.name = "Direct Thru Channel B",
1205 		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
1206 	},
1207 	{
1208 		.name = "Phono Input Channel A",
1209 		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
1210 	},
1211 	{
1212 		.name = "Phono Input Channel B",
1213 		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
1214 	},
1215 };
1216 
1217 static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
1218 	{
1219 		.name = "Direct Thru Channel A",
1220 		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
1221 	},
1222 	{
1223 		.name = "Direct Thru Channel B",
1224 		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
1225 	},
1226 	{
1227 		.name = "Direct Thru Channel C",
1228 		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
1229 	},
1230 	{
1231 		.name = "Direct Thru Channel D",
1232 		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
1233 	},
1234 	{
1235 		.name = "Phono Input Channel A",
1236 		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
1237 	},
1238 	{
1239 		.name = "Phono Input Channel B",
1240 		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
1241 	},
1242 	{
1243 		.name = "Phono Input Channel C",
1244 		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
1245 	},
1246 	{
1247 		.name = "Phono Input Channel D",
1248 		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
1249 	},
1250 };
1251 
snd_nativeinstruments_create_mixer(struct usb_mixer_interface * mixer,const struct snd_kcontrol_new * kc,unsigned int count)1252 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
1253 					      const struct snd_kcontrol_new *kc,
1254 					      unsigned int count)
1255 {
1256 	int i, err = 0;
1257 	struct snd_kcontrol_new template = {
1258 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1259 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1260 		.get = snd_nativeinstruments_control_get,
1261 		.put = snd_nativeinstruments_control_put,
1262 		.info = snd_ctl_boolean_mono_info,
1263 	};
1264 
1265 	for (i = 0; i < count; i++) {
1266 		struct usb_mixer_elem_list *list;
1267 
1268 		template.name = kc[i].name;
1269 		template.private_value = kc[i].private_value;
1270 
1271 		err = add_single_ctl_with_resume(mixer, 0,
1272 						 snd_ni_update_cur_val,
1273 						 &template, &list);
1274 		if (err < 0)
1275 			break;
1276 		snd_ni_control_init_val(mixer, list->kctl);
1277 	}
1278 
1279 	return err;
1280 }
1281 
1282 /* M-Audio FastTrack Ultra quirks */
1283 /* FTU Effect switch (also used by C400/C600) */
snd_ftu_eff_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1284 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
1285 				   struct snd_ctl_elem_info *uinfo)
1286 {
1287 	static const char *const texts[8] = {
1288 		"Room 1", "Room 2", "Room 3", "Hall 1",
1289 		"Hall 2", "Plate", "Delay", "Echo"
1290 	};
1291 
1292 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1293 }
1294 
snd_ftu_eff_switch_init(struct usb_mixer_interface * mixer,struct snd_kcontrol * kctl)1295 static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
1296 				   struct snd_kcontrol *kctl)
1297 {
1298 	struct usb_device *dev = mixer->chip->dev;
1299 	unsigned int pval = kctl->private_value;
1300 	int err;
1301 	unsigned char value[2];
1302 
1303 	value[0] = 0x00;
1304 	value[1] = 0x00;
1305 
1306 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
1307 			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
1308 			      pval & 0xff00,
1309 			      snd_usb_ctrl_intf(mixer->hostif) | ((pval & 0xff) << 8),
1310 			      value, 2);
1311 	if (err < 0)
1312 		return err;
1313 
1314 	kctl->private_value |= (unsigned int)value[0] << 24;
1315 	return 0;
1316 }
1317 
snd_ftu_eff_switch_get(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)1318 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
1319 				  struct snd_ctl_elem_value *ucontrol)
1320 {
1321 	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
1322 	return 0;
1323 }
1324 
snd_ftu_eff_switch_update(struct usb_mixer_elem_list * list)1325 static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
1326 {
1327 	struct snd_usb_audio *chip = list->mixer->chip;
1328 	unsigned int pval = list->kctl->private_value;
1329 	unsigned char value[2];
1330 	int err;
1331 
1332 	value[0] = pval >> 24;
1333 	value[1] = 0;
1334 
1335 	err = snd_usb_lock_shutdown(chip);
1336 	if (err < 0)
1337 		return err;
1338 	err = snd_usb_ctl_msg(chip->dev,
1339 			      usb_sndctrlpipe(chip->dev, 0),
1340 			      UAC_SET_CUR,
1341 			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
1342 			      pval & 0xff00,
1343 			      snd_usb_ctrl_intf(list->mixer->hostif) | ((pval & 0xff) << 8),
1344 			      value, 2);
1345 	snd_usb_unlock_shutdown(chip);
1346 	return err;
1347 }
1348 
snd_ftu_eff_switch_put(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * ucontrol)1349 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
1350 				  struct snd_ctl_elem_value *ucontrol)
1351 {
1352 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
1353 	unsigned int pval = list->kctl->private_value;
1354 	int cur_val, err, new_val;
1355 
1356 	cur_val = pval >> 24;
1357 	new_val = ucontrol->value.enumerated.item[0];
1358 	if (cur_val == new_val)
1359 		return 0;
1360 
1361 	kctl->private_value &= ~(0xff << 24);
1362 	kctl->private_value |= new_val << 24;
1363 	err = snd_ftu_eff_switch_update(list);
1364 	return err < 0 ? err : 1;
1365 }
1366 
snd_ftu_create_effect_switch(struct usb_mixer_interface * mixer,int validx,int bUnitID)1367 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
1368 					int validx, int bUnitID)
1369 {
1370 	static struct snd_kcontrol_new template = {
1371 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1372 		.name = "Effect Program Switch",
1373 		.index = 0,
1374 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1375 		.info = snd_ftu_eff_switch_info,
1376 		.get = snd_ftu_eff_switch_get,
1377 		.put = snd_ftu_eff_switch_put
1378 	};
1379 	struct usb_mixer_elem_list *list;
1380 	int err;
1381 
1382 	err = add_single_ctl_with_resume(mixer, bUnitID,
1383 					 snd_ftu_eff_switch_update,
1384 					 &template, &list);
1385 	if (err < 0)
1386 		return err;
1387 	list->kctl->private_value = (validx << 8) | bUnitID;
1388 	snd_ftu_eff_switch_init(mixer, list->kctl);
1389 	return 0;
1390 }
1391 
1392 /* Create volume controls for FTU devices*/
snd_ftu_create_volume_ctls(struct usb_mixer_interface * mixer)1393 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
1394 {
1395 	char name[64];
1396 	unsigned int control, cmask;
1397 	int in, out, err;
1398 
1399 	const unsigned int id = 5;
1400 	const int val_type = USB_MIXER_S16;
1401 
1402 	for (out = 0; out < 8; out++) {
1403 		control = out + 1;
1404 		for (in = 0; in < 8; in++) {
1405 			cmask = BIT(in);
1406 			snprintf(name, sizeof(name),
1407 				 "AIn%d - Out%d Capture Volume",
1408 				 in  + 1, out + 1);
1409 			err = snd_create_std_mono_ctl(mixer, id, control,
1410 						      cmask, val_type, name,
1411 						      &snd_usb_mixer_vol_tlv);
1412 			if (err < 0)
1413 				return err;
1414 		}
1415 		for (in = 8; in < 16; in++) {
1416 			cmask = BIT(in);
1417 			snprintf(name, sizeof(name),
1418 				 "DIn%d - Out%d Playback Volume",
1419 				 in - 7, out + 1);
1420 			err = snd_create_std_mono_ctl(mixer, id, control,
1421 						      cmask, val_type, name,
1422 						      &snd_usb_mixer_vol_tlv);
1423 			if (err < 0)
1424 				return err;
1425 		}
1426 	}
1427 
1428 	return 0;
1429 }
1430 
1431 /* This control needs a volume quirk, see mixer.c */
snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface * mixer)1432 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1433 {
1434 	static const char name[] = "Effect Volume";
1435 	const unsigned int id = 6;
1436 	const int val_type = USB_MIXER_U8;
1437 	const unsigned int control = 2;
1438 	const unsigned int cmask = 0;
1439 
1440 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1441 					name, snd_usb_mixer_vol_tlv);
1442 }
1443 
1444 /* This control needs a volume quirk, see mixer.c */
snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface * mixer)1445 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1446 {
1447 	static const char name[] = "Effect Duration";
1448 	const unsigned int id = 6;
1449 	const int val_type = USB_MIXER_S16;
1450 	const unsigned int control = 3;
1451 	const unsigned int cmask = 0;
1452 
1453 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1454 					name, snd_usb_mixer_vol_tlv);
1455 }
1456 
1457 /* This control needs a volume quirk, see mixer.c */
snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface * mixer)1458 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1459 {
1460 	static const char name[] = "Effect Feedback Volume";
1461 	const unsigned int id = 6;
1462 	const int val_type = USB_MIXER_U8;
1463 	const unsigned int control = 4;
1464 	const unsigned int cmask = 0;
1465 
1466 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1467 					name, NULL);
1468 }
1469 
snd_ftu_create_effect_return_ctls(struct usb_mixer_interface * mixer)1470 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1471 {
1472 	unsigned int cmask;
1473 	int err, ch;
1474 	char name[48];
1475 
1476 	const unsigned int id = 7;
1477 	const int val_type = USB_MIXER_S16;
1478 	const unsigned int control = 7;
1479 
1480 	for (ch = 0; ch < 4; ++ch) {
1481 		cmask = BIT(ch);
1482 		snprintf(name, sizeof(name),
1483 			 "Effect Return %d Volume", ch + 1);
1484 		err = snd_create_std_mono_ctl(mixer, id, control,
1485 					      cmask, val_type, name,
1486 					      snd_usb_mixer_vol_tlv);
1487 		if (err < 0)
1488 			return err;
1489 	}
1490 
1491 	return 0;
1492 }
1493 
snd_ftu_create_effect_send_ctls(struct usb_mixer_interface * mixer)1494 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1495 {
1496 	unsigned int  cmask;
1497 	int err, ch;
1498 	char name[48];
1499 
1500 	const unsigned int id = 5;
1501 	const int val_type = USB_MIXER_S16;
1502 	const unsigned int control = 9;
1503 
1504 	for (ch = 0; ch < 8; ++ch) {
1505 		cmask = BIT(ch);
1506 		snprintf(name, sizeof(name),
1507 			 "Effect Send AIn%d Volume", ch + 1);
1508 		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1509 					      val_type, name,
1510 					      snd_usb_mixer_vol_tlv);
1511 		if (err < 0)
1512 			return err;
1513 	}
1514 	for (ch = 8; ch < 16; ++ch) {
1515 		cmask = BIT(ch);
1516 		snprintf(name, sizeof(name),
1517 			 "Effect Send DIn%d Volume", ch - 7);
1518 		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1519 					      val_type, name,
1520 					      snd_usb_mixer_vol_tlv);
1521 		if (err < 0)
1522 			return err;
1523 	}
1524 	return 0;
1525 }
1526 
snd_ftu_create_mixer(struct usb_mixer_interface * mixer)1527 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1528 {
1529 	int err;
1530 
1531 	err = snd_ftu_create_volume_ctls(mixer);
1532 	if (err < 0)
1533 		return err;
1534 
1535 	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1536 	if (err < 0)
1537 		return err;
1538 
1539 	err = snd_ftu_create_effect_volume_ctl(mixer);
1540 	if (err < 0)
1541 		return err;
1542 
1543 	err = snd_ftu_create_effect_duration_ctl(mixer);
1544 	if (err < 0)
1545 		return err;
1546 
1547 	err = snd_ftu_create_effect_feedback_ctl(mixer);
1548 	if (err < 0)
1549 		return err;
1550 
1551 	err = snd_ftu_create_effect_return_ctls(mixer);
1552 	if (err < 0)
1553 		return err;
1554 
1555 	err = snd_ftu_create_effect_send_ctls(mixer);
1556 	if (err < 0)
1557 		return err;
1558 
1559 	return 0;
1560 }
1561 
snd_emuusb_set_samplerate(struct snd_usb_audio * chip,unsigned char samplerate_id)1562 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1563 			       unsigned char samplerate_id)
1564 {
1565 	struct usb_mixer_interface *mixer;
1566 	struct usb_mixer_elem_info *cval;
1567 	int unitid = 12; /* SampleRate ExtensionUnit ID */
1568 
1569 	list_for_each_entry(mixer, &chip->mixer_list, list) {
1570 		if (mixer->id_elems[unitid]) {
1571 			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
1572 			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1573 						    cval->control << 8,
1574 						    samplerate_id);
1575 			snd_usb_mixer_notify_id(mixer, unitid);
1576 			break;
1577 		}
1578 	}
1579 }
1580 
1581 /* M-Audio Fast Track C400/C600 */
1582 /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
snd_c400_create_vol_ctls(struct usb_mixer_interface * mixer)1583 static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1584 {
1585 	char name[64];
1586 	unsigned int cmask, offset;
1587 	int out, chan, err;
1588 	int num_outs = 0;
1589 	int num_ins = 0;
1590 
1591 	const unsigned int id = 0x40;
1592 	const int val_type = USB_MIXER_S16;
1593 	const int control = 1;
1594 
1595 	switch (mixer->chip->usb_id) {
1596 	case USB_ID(0x0763, 0x2030):
1597 		num_outs = 6;
1598 		num_ins = 4;
1599 		break;
1600 	case USB_ID(0x0763, 0x2031):
1601 		num_outs = 8;
1602 		num_ins = 6;
1603 		break;
1604 	}
1605 
1606 	for (chan = 0; chan < num_outs + num_ins; chan++) {
1607 		for (out = 0; out < num_outs; out++) {
1608 			if (chan < num_outs) {
1609 				snprintf(name, sizeof(name),
1610 					 "PCM%d-Out%d Playback Volume",
1611 					 chan + 1, out + 1);
1612 			} else {
1613 				snprintf(name, sizeof(name),
1614 					 "In%d-Out%d Playback Volume",
1615 					 chan - num_outs + 1, out + 1);
1616 			}
1617 
1618 			cmask = (out == 0) ? 0 : BIT(out - 1);
1619 			offset = chan * num_outs;
1620 			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1621 							     cmask, val_type, offset, name,
1622 							     &snd_usb_mixer_vol_tlv);
1623 			if (err < 0)
1624 				return err;
1625 		}
1626 	}
1627 
1628 	return 0;
1629 }
1630 
1631 /* This control needs a volume quirk, see mixer.c */
snd_c400_create_effect_volume_ctl(struct usb_mixer_interface * mixer)1632 static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1633 {
1634 	static const char name[] = "Effect Volume";
1635 	const unsigned int id = 0x43;
1636 	const int val_type = USB_MIXER_U8;
1637 	const unsigned int control = 3;
1638 	const unsigned int cmask = 0;
1639 
1640 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1641 				       name, snd_usb_mixer_vol_tlv);
1642 }
1643 
1644 /* This control needs a volume quirk, see mixer.c */
snd_c400_create_effect_duration_ctl(struct usb_mixer_interface * mixer)1645 static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1646 {
1647 	static const char name[] = "Effect Duration";
1648 	const unsigned int id = 0x43;
1649 	const int val_type = USB_MIXER_S16;
1650 	const unsigned int control = 4;
1651 	const unsigned int cmask = 0;
1652 
1653 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1654 				       name, snd_usb_mixer_vol_tlv);
1655 }
1656 
1657 /* This control needs a volume quirk, see mixer.c */
snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface * mixer)1658 static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1659 {
1660 	static const char name[] = "Effect Feedback Volume";
1661 	const unsigned int id = 0x43;
1662 	const int val_type = USB_MIXER_U8;
1663 	const unsigned int control = 5;
1664 	const unsigned int cmask = 0;
1665 
1666 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1667 				       name, NULL);
1668 }
1669 
snd_c400_create_effect_vol_ctls(struct usb_mixer_interface * mixer)1670 static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1671 {
1672 	char name[64];
1673 	unsigned int cmask;
1674 	int chan, err;
1675 	int num_outs = 0;
1676 	int num_ins = 0;
1677 
1678 	const unsigned int id = 0x42;
1679 	const int val_type = USB_MIXER_S16;
1680 	const int control = 1;
1681 
1682 	switch (mixer->chip->usb_id) {
1683 	case USB_ID(0x0763, 0x2030):
1684 		num_outs = 6;
1685 		num_ins = 4;
1686 		break;
1687 	case USB_ID(0x0763, 0x2031):
1688 		num_outs = 8;
1689 		num_ins = 6;
1690 		break;
1691 	}
1692 
1693 	for (chan = 0; chan < num_outs + num_ins; chan++) {
1694 		if (chan < num_outs) {
1695 			snprintf(name, sizeof(name),
1696 				 "Effect Send DOut%d",
1697 				 chan + 1);
1698 		} else {
1699 			snprintf(name, sizeof(name),
1700 				 "Effect Send AIn%d",
1701 				 chan - num_outs + 1);
1702 		}
1703 
1704 		cmask = (chan == 0) ? 0 : BIT(chan - 1);
1705 		err = snd_create_std_mono_ctl(mixer, id, control,
1706 					      cmask, val_type, name,
1707 					      &snd_usb_mixer_vol_tlv);
1708 		if (err < 0)
1709 			return err;
1710 	}
1711 
1712 	return 0;
1713 }
1714 
snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface * mixer)1715 static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1716 {
1717 	char name[64];
1718 	unsigned int cmask;
1719 	int chan, err;
1720 	int num_outs = 0;
1721 	int offset = 0;
1722 
1723 	const unsigned int id = 0x40;
1724 	const int val_type = USB_MIXER_S16;
1725 	const int control = 1;
1726 
1727 	switch (mixer->chip->usb_id) {
1728 	case USB_ID(0x0763, 0x2030):
1729 		num_outs = 6;
1730 		offset = 0x3c;
1731 		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1732 		break;
1733 	case USB_ID(0x0763, 0x2031):
1734 		num_outs = 8;
1735 		offset = 0x70;
1736 		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1737 		break;
1738 	}
1739 
1740 	for (chan = 0; chan < num_outs; chan++) {
1741 		snprintf(name, sizeof(name),
1742 			 "Effect Return %d",
1743 			 chan + 1);
1744 
1745 		cmask = (chan == 0) ? 0 :
1746 			BIT(chan + (chan % 2) * num_outs - 1);
1747 		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1748 						     cmask, val_type, offset, name,
1749 						     &snd_usb_mixer_vol_tlv);
1750 		if (err < 0)
1751 			return err;
1752 	}
1753 
1754 	return 0;
1755 }
1756 
snd_c400_create_mixer(struct usb_mixer_interface * mixer)1757 static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1758 {
1759 	int err;
1760 
1761 	err = snd_c400_create_vol_ctls(mixer);
1762 	if (err < 0)
1763 		return err;
1764 
1765 	err = snd_c400_create_effect_vol_ctls(mixer);
1766 	if (err < 0)
1767 		return err;
1768 
1769 	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1770 	if (err < 0)
1771 		return err;
1772 
1773 	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1774 	if (err < 0)
1775 		return err;
1776 
1777 	err = snd_c400_create_effect_volume_ctl(mixer);
1778 	if (err < 0)
1779 		return err;
1780 
1781 	err = snd_c400_create_effect_duration_ctl(mixer);
1782 	if (err < 0)
1783 		return err;
1784 
1785 	err = snd_c400_create_effect_feedback_ctl(mixer);
1786 	if (err < 0)
1787 		return err;
1788 
1789 	return 0;
1790 }
1791 
1792 /*
1793  * The mixer units for Ebox-44 are corrupt, and even where they
1794  * are valid they presents mono controls as L and R channels of
1795  * stereo. So we provide a good mixer here.
1796  */
1797 static const struct std_mono_table ebox44_table[] = {
1798 	{
1799 		.unitid = 4,
1800 		.control = 1,
1801 		.cmask = 0x0,
1802 		.val_type = USB_MIXER_INV_BOOLEAN,
1803 		.name = "Headphone Playback Switch"
1804 	},
1805 	{
1806 		.unitid = 4,
1807 		.control = 2,
1808 		.cmask = 0x1,
1809 		.val_type = USB_MIXER_S16,
1810 		.name = "Headphone A Mix Playback Volume"
1811 	},
1812 	{
1813 		.unitid = 4,
1814 		.control = 2,
1815 		.cmask = 0x2,
1816 		.val_type = USB_MIXER_S16,
1817 		.name = "Headphone B Mix Playback Volume"
1818 	},
1819 
1820 	{
1821 		.unitid = 7,
1822 		.control = 1,
1823 		.cmask = 0x0,
1824 		.val_type = USB_MIXER_INV_BOOLEAN,
1825 		.name = "Output Playback Switch"
1826 	},
1827 	{
1828 		.unitid = 7,
1829 		.control = 2,
1830 		.cmask = 0x1,
1831 		.val_type = USB_MIXER_S16,
1832 		.name = "Output A Playback Volume"
1833 	},
1834 	{
1835 		.unitid = 7,
1836 		.control = 2,
1837 		.cmask = 0x2,
1838 		.val_type = USB_MIXER_S16,
1839 		.name = "Output B Playback Volume"
1840 	},
1841 
1842 	{
1843 		.unitid = 10,
1844 		.control = 1,
1845 		.cmask = 0x0,
1846 		.val_type = USB_MIXER_INV_BOOLEAN,
1847 		.name = "Input Capture Switch"
1848 	},
1849 	{
1850 		.unitid = 10,
1851 		.control = 2,
1852 		.cmask = 0x1,
1853 		.val_type = USB_MIXER_S16,
1854 		.name = "Input A Capture Volume"
1855 	},
1856 	{
1857 		.unitid = 10,
1858 		.control = 2,
1859 		.cmask = 0x2,
1860 		.val_type = USB_MIXER_S16,
1861 		.name = "Input B Capture Volume"
1862 	},
1863 
1864 	{}
1865 };
1866 
1867 /* Audio Advantage Micro II findings:
1868  *
1869  * Mapping spdif AES bits to vendor register.bit:
1870  * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1871  * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1872  * AES2: [0 0 0 0 0 0 0 0]
1873  * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1874  *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1875  *
1876  * power on values:
1877  * r2: 0x10
1878  * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1879  *           just after it to 0xa0, presumably it disables/mutes some analog
1880  *           parts when there is no audio.)
1881  * r9: 0x28
1882  *
1883  * Optical transmitter on/off:
1884  * vendor register.bit: 9.1
1885  * 0 - on (0x28 register value)
1886  * 1 - off (0x2a register value)
1887  *
1888  */
snd_microii_spdif_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1889 static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1890 				  struct snd_ctl_elem_info *uinfo)
1891 {
1892 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1893 	uinfo->count = 1;
1894 	return 0;
1895 }
1896 
snd_microii_spdif_default_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1897 static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1898 					 struct snd_ctl_elem_value *ucontrol)
1899 {
1900 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1901 	struct snd_usb_audio *chip = list->mixer->chip;
1902 	int err;
1903 	struct usb_interface *iface;
1904 	struct usb_host_interface *alts;
1905 	unsigned int ep;
1906 	unsigned char data[3];
1907 	int rate;
1908 
1909 	err = snd_usb_lock_shutdown(chip);
1910 	if (err < 0)
1911 		return err;
1912 
1913 	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1914 	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1915 	ucontrol->value.iec958.status[2] = 0x00;
1916 
1917 	/* use known values for that card: interface#1 altsetting#1 */
1918 	iface = usb_ifnum_to_if(chip->dev, 1);
1919 	if (!iface || iface->num_altsetting < 2) {
1920 		err = -EINVAL;
1921 		goto end;
1922 	}
1923 	alts = &iface->altsetting[1];
1924 	if (get_iface_desc(alts)->bNumEndpoints < 1) {
1925 		err = -EINVAL;
1926 		goto end;
1927 	}
1928 	ep = get_endpoint(alts, 0)->bEndpointAddress;
1929 
1930 	err = snd_usb_ctl_msg(chip->dev,
1931 			      usb_rcvctrlpipe(chip->dev, 0),
1932 			      UAC_GET_CUR,
1933 			      USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1934 			      UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1935 			      ep,
1936 			      data,
1937 			      sizeof(data));
1938 	if (err < 0)
1939 		goto end;
1940 
1941 	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1942 	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1943 			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1944 
1945 	err = 0;
1946  end:
1947 	snd_usb_unlock_shutdown(chip);
1948 	return err;
1949 }
1950 
snd_microii_spdif_default_update(struct usb_mixer_elem_list * list)1951 static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1952 {
1953 	struct snd_usb_audio *chip = list->mixer->chip;
1954 	unsigned int pval = list->kctl->private_value;
1955 	u8 reg;
1956 	int err;
1957 
1958 	err = snd_usb_lock_shutdown(chip);
1959 	if (err < 0)
1960 		return err;
1961 
1962 	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1963 	err = snd_usb_ctl_msg(chip->dev,
1964 			      usb_sndctrlpipe(chip->dev, 0),
1965 			      UAC_SET_CUR,
1966 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1967 			      reg,
1968 			      2,
1969 			      NULL,
1970 			      0);
1971 	if (err < 0)
1972 		goto end;
1973 
1974 	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1975 	reg |= (pval >> 12) & 0x0f;
1976 	err = snd_usb_ctl_msg(chip->dev,
1977 			      usb_sndctrlpipe(chip->dev, 0),
1978 			      UAC_SET_CUR,
1979 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1980 			      reg,
1981 			      3,
1982 			      NULL,
1983 			      0);
1984 	if (err < 0)
1985 		goto end;
1986 
1987  end:
1988 	snd_usb_unlock_shutdown(chip);
1989 	return err;
1990 }
1991 
snd_microii_spdif_default_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1992 static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1993 					 struct snd_ctl_elem_value *ucontrol)
1994 {
1995 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1996 	unsigned int pval, pval_old;
1997 	int err;
1998 
1999 	pval = kcontrol->private_value;
2000 	pval_old = pval;
2001 	pval &= 0xfffff0f0;
2002 	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
2003 	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
2004 
2005 	pval &= 0xffff0fff;
2006 	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
2007 
2008 	/* The frequency bits in AES3 cannot be set via register access. */
2009 
2010 	/* Silently ignore any bits from the request that cannot be set. */
2011 
2012 	if (pval == pval_old)
2013 		return 0;
2014 
2015 	kcontrol->private_value = pval;
2016 	err = snd_microii_spdif_default_update(list);
2017 	return err < 0 ? err : 1;
2018 }
2019 
snd_microii_spdif_mask_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2020 static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
2021 				      struct snd_ctl_elem_value *ucontrol)
2022 {
2023 	ucontrol->value.iec958.status[0] = 0x0f;
2024 	ucontrol->value.iec958.status[1] = 0xff;
2025 	ucontrol->value.iec958.status[2] = 0x00;
2026 	ucontrol->value.iec958.status[3] = 0x00;
2027 
2028 	return 0;
2029 }
2030 
snd_microii_spdif_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2031 static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
2032 					struct snd_ctl_elem_value *ucontrol)
2033 {
2034 	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
2035 
2036 	return 0;
2037 }
2038 
snd_microii_spdif_switch_update(struct usb_mixer_elem_list * list)2039 static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
2040 {
2041 	struct snd_usb_audio *chip = list->mixer->chip;
2042 	u8 reg = list->kctl->private_value;
2043 	int err;
2044 
2045 	err = snd_usb_lock_shutdown(chip);
2046 	if (err < 0)
2047 		return err;
2048 
2049 	err = snd_usb_ctl_msg(chip->dev,
2050 			      usb_sndctrlpipe(chip->dev, 0),
2051 			      UAC_SET_CUR,
2052 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
2053 			      reg,
2054 			      9,
2055 			      NULL,
2056 			      0);
2057 
2058 	snd_usb_unlock_shutdown(chip);
2059 	return err;
2060 }
2061 
snd_microii_spdif_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2062 static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
2063 					struct snd_ctl_elem_value *ucontrol)
2064 {
2065 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2066 	u8 reg;
2067 	int err;
2068 
2069 	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
2070 	if (reg != list->kctl->private_value)
2071 		return 0;
2072 
2073 	kcontrol->private_value = reg;
2074 	err = snd_microii_spdif_switch_update(list);
2075 	return err < 0 ? err : 1;
2076 }
2077 
2078 static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
2079 	{
2080 		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
2081 		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2082 		.info =     snd_microii_spdif_info,
2083 		.get =      snd_microii_spdif_default_get,
2084 		.put =      snd_microii_spdif_default_put,
2085 		.private_value = 0x00000100UL,/* reset value */
2086 	},
2087 	{
2088 		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
2089 		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
2090 		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
2091 		.info =     snd_microii_spdif_info,
2092 		.get =      snd_microii_spdif_mask_get,
2093 	},
2094 	{
2095 		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
2096 		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2097 		.info =     snd_ctl_boolean_mono_info,
2098 		.get =      snd_microii_spdif_switch_get,
2099 		.put =      snd_microii_spdif_switch_put,
2100 		.private_value = 0x00000028UL,/* reset value */
2101 	}
2102 };
2103 
snd_microii_controls_create(struct usb_mixer_interface * mixer)2104 static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
2105 {
2106 	int err, i;
2107 	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
2108 		snd_microii_spdif_default_update,
2109 		NULL,
2110 		snd_microii_spdif_switch_update
2111 	};
2112 
2113 	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
2114 		err = add_single_ctl_with_resume(mixer, 0,
2115 						 resume_funcs[i],
2116 						 &snd_microii_mixer_spdif[i],
2117 						 NULL);
2118 		if (err < 0)
2119 			return err;
2120 	}
2121 
2122 	return 0;
2123 }
2124 
2125 /* Creative Sound Blaster E1 */
2126 
snd_soundblaster_e1_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2127 static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
2128 					  struct snd_ctl_elem_value *ucontrol)
2129 {
2130 	ucontrol->value.integer.value[0] = kcontrol->private_value;
2131 	return 0;
2132 }
2133 
snd_soundblaster_e1_switch_update(struct usb_mixer_interface * mixer,unsigned char state)2134 static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
2135 					     unsigned char state)
2136 {
2137 	struct snd_usb_audio *chip = mixer->chip;
2138 	int err;
2139 	unsigned char buff[2];
2140 
2141 	buff[0] = 0x02;
2142 	buff[1] = state ? 0x02 : 0x00;
2143 
2144 	err = snd_usb_lock_shutdown(chip);
2145 	if (err < 0)
2146 		return err;
2147 	err = snd_usb_ctl_msg(chip->dev,
2148 			      usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
2149 			      USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
2150 			      0x0202, 3, buff, 2);
2151 	snd_usb_unlock_shutdown(chip);
2152 	return err;
2153 }
2154 
snd_soundblaster_e1_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2155 static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
2156 					  struct snd_ctl_elem_value *ucontrol)
2157 {
2158 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2159 	unsigned char value = !!ucontrol->value.integer.value[0];
2160 	int err;
2161 
2162 	if (kcontrol->private_value == value)
2163 		return 0;
2164 	kcontrol->private_value = value;
2165 	err = snd_soundblaster_e1_switch_update(list->mixer, value);
2166 	return err < 0 ? err : 1;
2167 }
2168 
snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list * list)2169 static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
2170 {
2171 	return snd_soundblaster_e1_switch_update(list->mixer,
2172 						 list->kctl->private_value);
2173 }
2174 
snd_soundblaster_e1_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2175 static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
2176 					   struct snd_ctl_elem_info *uinfo)
2177 {
2178 	static const char *const texts[2] = {
2179 		"Mic", "Aux"
2180 	};
2181 
2182 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
2183 }
2184 
2185 static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
2186 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2187 	.name = "Input Source",
2188 	.info = snd_soundblaster_e1_switch_info,
2189 	.get = snd_soundblaster_e1_switch_get,
2190 	.put = snd_soundblaster_e1_switch_put,
2191 	.private_value = 0,
2192 };
2193 
snd_soundblaster_e1_switch_create(struct usb_mixer_interface * mixer)2194 static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
2195 {
2196 	return add_single_ctl_with_resume(mixer, 0,
2197 					  snd_soundblaster_e1_switch_resume,
2198 					  &snd_soundblaster_e1_input_switch,
2199 					  NULL);
2200 }
2201 
2202 /*
2203  * Dell WD15 dock jack detection
2204  *
2205  * The WD15 contains an ALC4020 USB audio controller and ALC3263 audio codec
2206  * from Realtek. It is a UAC 1 device, and UAC 1 does not support jack
2207  * detection. Instead, jack detection works by sending HD Audio commands over
2208  * vendor-type USB messages.
2209  */
2210 
2211 #define HDA_VERB_CMD(V, N, D) (((N) << 20) | ((V) << 8) | (D))
2212 
2213 #define REALTEK_HDA_VALUE 0x0038
2214 
2215 #define REALTEK_HDA_SET		62
2216 #define REALTEK_MANUAL_MODE	72
2217 #define REALTEK_HDA_GET_OUT	88
2218 #define REALTEK_HDA_GET_IN	89
2219 
2220 #define REALTEK_AUDIO_FUNCTION_GROUP	0x01
2221 #define REALTEK_LINE1			0x1a
2222 #define REALTEK_VENDOR_REGISTERS	0x20
2223 #define REALTEK_HP_OUT			0x21
2224 
2225 #define REALTEK_CBJ_CTRL2 0x50
2226 
2227 #define REALTEK_JACK_INTERRUPT_NODE 5
2228 
2229 #define REALTEK_MIC_FLAG 0x100
2230 
realtek_hda_set(struct snd_usb_audio * chip,u32 cmd)2231 static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)
2232 {
2233 	struct usb_device *dev = chip->dev;
2234 	__be32 buf = cpu_to_be32(cmd);
2235 
2236 	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,
2237 			       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
2238 			       REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
2239 }
2240 
realtek_hda_get(struct snd_usb_audio * chip,u32 cmd,u32 * value)2241 static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)
2242 {
2243 	struct usb_device *dev = chip->dev;
2244 	int err;
2245 	__be32 buf = cpu_to_be32(cmd);
2246 
2247 	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,
2248 			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
2249 			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
2250 	if (err < 0)
2251 		return err;
2252 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN,
2253 			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN,
2254 			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
2255 	if (err < 0)
2256 		return err;
2257 
2258 	*value = be32_to_cpu(buf);
2259 	return 0;
2260 }
2261 
realtek_ctl_connector_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2262 static int realtek_ctl_connector_get(struct snd_kcontrol *kcontrol,
2263 				     struct snd_ctl_elem_value *ucontrol)
2264 {
2265 	struct usb_mixer_elem_info *cval = kcontrol->private_data;
2266 	struct snd_usb_audio *chip = cval->head.mixer->chip;
2267 	u32 pv = kcontrol->private_value;
2268 	u32 node_id = pv & 0xff;
2269 	u32 sense;
2270 	u32 cbj_ctrl2;
2271 	bool presence;
2272 	int err;
2273 
2274 	err = snd_usb_lock_shutdown(chip);
2275 	if (err < 0)
2276 		return err;
2277 	err = realtek_hda_get(chip,
2278 			      HDA_VERB_CMD(AC_VERB_GET_PIN_SENSE, node_id, 0),
2279 			      &sense);
2280 	if (err < 0)
2281 		goto err;
2282 	if (pv & REALTEK_MIC_FLAG) {
2283 		err = realtek_hda_set(chip,
2284 				      HDA_VERB_CMD(AC_VERB_SET_COEF_INDEX,
2285 						   REALTEK_VENDOR_REGISTERS,
2286 						   REALTEK_CBJ_CTRL2));
2287 		if (err < 0)
2288 			goto err;
2289 		err = realtek_hda_get(chip,
2290 				      HDA_VERB_CMD(AC_VERB_GET_PROC_COEF,
2291 						   REALTEK_VENDOR_REGISTERS, 0),
2292 				      &cbj_ctrl2);
2293 		if (err < 0)
2294 			goto err;
2295 	}
2296 err:
2297 	snd_usb_unlock_shutdown(chip);
2298 	if (err < 0)
2299 		return err;
2300 
2301 	presence = sense & AC_PINSENSE_PRESENCE;
2302 	if (pv & REALTEK_MIC_FLAG)
2303 		presence = presence && (cbj_ctrl2 & 0x0070) == 0x0070;
2304 	ucontrol->value.integer.value[0] = presence;
2305 	return 0;
2306 }
2307 
2308 static const struct snd_kcontrol_new realtek_connector_ctl_ro = {
2309 	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
2310 	.name = "", /* will be filled later manually */
2311 	.access = SNDRV_CTL_ELEM_ACCESS_READ,
2312 	.info = snd_ctl_boolean_mono_info,
2313 	.get = realtek_ctl_connector_get,
2314 };
2315 
realtek_resume_jack(struct usb_mixer_elem_list * list)2316 static int realtek_resume_jack(struct usb_mixer_elem_list *list)
2317 {
2318 	snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
2319 		       &list->kctl->id);
2320 	return 0;
2321 }
2322 
realtek_add_jack(struct usb_mixer_interface * mixer,char * name,u32 val)2323 static int realtek_add_jack(struct usb_mixer_interface *mixer,
2324 			    char *name, u32 val)
2325 {
2326 	struct usb_mixer_elem_info *cval;
2327 	struct snd_kcontrol *kctl;
2328 
2329 	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
2330 	if (!cval)
2331 		return -ENOMEM;
2332 	snd_usb_mixer_elem_init_std(&cval->head, mixer,
2333 				    REALTEK_JACK_INTERRUPT_NODE);
2334 	cval->head.resume = realtek_resume_jack;
2335 	cval->val_type = USB_MIXER_BOOLEAN;
2336 	cval->channels = 1;
2337 	cval->min = 0;
2338 	cval->max = 1;
2339 	kctl = snd_ctl_new1(&realtek_connector_ctl_ro, cval);
2340 	if (!kctl) {
2341 		kfree(cval);
2342 		return -ENOMEM;
2343 	}
2344 	kctl->private_value = val;
2345 	strscpy(kctl->id.name, name, sizeof(kctl->id.name));
2346 	kctl->private_free = snd_usb_mixer_elem_free;
2347 	return snd_usb_mixer_add_control(&cval->head, kctl);
2348 }
2349 
dell_dock_mixer_create(struct usb_mixer_interface * mixer)2350 static int dell_dock_mixer_create(struct usb_mixer_interface *mixer)
2351 {
2352 	int err;
2353 	struct usb_device *dev = mixer->chip->dev;
2354 
2355 	/* Power down the audio codec to avoid loud pops in the next step. */
2356 	realtek_hda_set(mixer->chip,
2357 			HDA_VERB_CMD(AC_VERB_SET_POWER_STATE,
2358 				     REALTEK_AUDIO_FUNCTION_GROUP,
2359 				     AC_PWRST_D3));
2360 
2361 	/*
2362 	 * Turn off 'manual mode' in case it was enabled. This removes the need
2363 	 * to power cycle the dock after it was attached to a Windows machine.
2364 	 */
2365 	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_MANUAL_MODE,
2366 			USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
2367 			0, 0, NULL, 0);
2368 
2369 	err = realtek_add_jack(mixer, "Line Out Jack", REALTEK_LINE1);
2370 	if (err < 0)
2371 		return err;
2372 	err = realtek_add_jack(mixer, "Headphone Jack", REALTEK_HP_OUT);
2373 	if (err < 0)
2374 		return err;
2375 	err = realtek_add_jack(mixer, "Headset Mic Jack",
2376 			       REALTEK_HP_OUT | REALTEK_MIC_FLAG);
2377 	if (err < 0)
2378 		return err;
2379 	return 0;
2380 }
2381 
dell_dock_init_vol(struct usb_mixer_interface * mixer,int ch,int id)2382 static void dell_dock_init_vol(struct usb_mixer_interface *mixer, int ch, int id)
2383 {
2384 	struct snd_usb_audio *chip = mixer->chip;
2385 	u16 buf = 0;
2386 
2387 	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
2388 			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
2389 			(UAC_FU_VOLUME << 8) | ch,
2390 			snd_usb_ctrl_intf(mixer->hostif) | (id << 8),
2391 			&buf, 2);
2392 }
2393 
dell_dock_mixer_init(struct usb_mixer_interface * mixer)2394 static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
2395 {
2396 	/* fix to 0dB playback volumes */
2397 	dell_dock_init_vol(mixer, 1, 16);
2398 	dell_dock_init_vol(mixer, 2, 16);
2399 	dell_dock_init_vol(mixer, 1, 19);
2400 	dell_dock_init_vol(mixer, 2, 19);
2401 	return 0;
2402 }
2403 
2404 /* RME Class Compliant device quirks */
2405 
2406 #define SND_RME_GET_STATUS1			23
2407 #define SND_RME_GET_CURRENT_FREQ		17
2408 #define SND_RME_CLK_SYSTEM_SHIFT		16
2409 #define SND_RME_CLK_SYSTEM_MASK			0x1f
2410 #define SND_RME_CLK_AES_SHIFT			8
2411 #define SND_RME_CLK_SPDIF_SHIFT			12
2412 #define SND_RME_CLK_AES_SPDIF_MASK		0xf
2413 #define SND_RME_CLK_SYNC_SHIFT			6
2414 #define SND_RME_CLK_SYNC_MASK			0x3
2415 #define SND_RME_CLK_FREQMUL_SHIFT		18
2416 #define SND_RME_CLK_FREQMUL_MASK		0x7
2417 #define SND_RME_CLK_SYSTEM(x) \
2418 	(((x) >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)
2419 #define SND_RME_CLK_AES(x) \
2420 	(((x) >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2421 #define SND_RME_CLK_SPDIF(x) \
2422 	(((x) >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2423 #define SND_RME_CLK_SYNC(x) \
2424 	(((x) >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)
2425 #define SND_RME_CLK_FREQMUL(x) \
2426 	(((x) >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)
2427 #define SND_RME_CLK_AES_LOCK			0x1
2428 #define SND_RME_CLK_AES_SYNC			0x4
2429 #define SND_RME_CLK_SPDIF_LOCK			0x2
2430 #define SND_RME_CLK_SPDIF_SYNC			0x8
2431 #define SND_RME_SPDIF_IF_SHIFT			4
2432 #define SND_RME_SPDIF_FORMAT_SHIFT		5
2433 #define SND_RME_BINARY_MASK			0x1
2434 #define SND_RME_SPDIF_IF(x) \
2435 	(((x) >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)
2436 #define SND_RME_SPDIF_FORMAT(x) \
2437 	(((x) >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)
2438 
2439 static const u32 snd_rme_rate_table[] = {
2440 	32000, 44100, 48000, 50000,
2441 	64000, 88200, 96000, 100000,
2442 	128000, 176400, 192000, 200000,
2443 	256000,	352800, 384000, 400000,
2444 	512000, 705600, 768000, 800000
2445 };
2446 /* maximum number of items for AES and S/PDIF rates for above table */
2447 #define SND_RME_RATE_IDX_AES_SPDIF_NUM		12
2448 
2449 enum snd_rme_domain {
2450 	SND_RME_DOMAIN_SYSTEM,
2451 	SND_RME_DOMAIN_AES,
2452 	SND_RME_DOMAIN_SPDIF
2453 };
2454 
2455 enum snd_rme_clock_status {
2456 	SND_RME_CLOCK_NOLOCK,
2457 	SND_RME_CLOCK_LOCK,
2458 	SND_RME_CLOCK_SYNC
2459 };
2460 
snd_rme_read_value(struct snd_usb_audio * chip,unsigned int item,u32 * value)2461 static int snd_rme_read_value(struct snd_usb_audio *chip,
2462 			      unsigned int item,
2463 			      u32 *value)
2464 {
2465 	struct usb_device *dev = chip->dev;
2466 	int err;
2467 
2468 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
2469 			      item,
2470 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2471 			      0, 0,
2472 			      value, sizeof(*value));
2473 	if (err < 0)
2474 		dev_err(&dev->dev,
2475 			"unable to issue vendor read request %d (ret = %d)",
2476 			item, err);
2477 	return err;
2478 }
2479 
snd_rme_get_status1(struct snd_kcontrol * kcontrol,u32 * status1)2480 static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,
2481 			       u32 *status1)
2482 {
2483 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2484 	struct snd_usb_audio *chip = list->mixer->chip;
2485 	int err;
2486 
2487 	err = snd_usb_lock_shutdown(chip);
2488 	if (err < 0)
2489 		return err;
2490 	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);
2491 	snd_usb_unlock_shutdown(chip);
2492 	return err;
2493 }
2494 
snd_rme_rate_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2495 static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,
2496 			    struct snd_ctl_elem_value *ucontrol)
2497 {
2498 	u32 status1;
2499 	u32 rate = 0;
2500 	int idx;
2501 	int err;
2502 
2503 	err = snd_rme_get_status1(kcontrol, &status1);
2504 	if (err < 0)
2505 		return err;
2506 	switch (kcontrol->private_value) {
2507 	case SND_RME_DOMAIN_SYSTEM:
2508 		idx = SND_RME_CLK_SYSTEM(status1);
2509 		if (idx < ARRAY_SIZE(snd_rme_rate_table))
2510 			rate = snd_rme_rate_table[idx];
2511 		break;
2512 	case SND_RME_DOMAIN_AES:
2513 		idx = SND_RME_CLK_AES(status1);
2514 		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2515 			rate = snd_rme_rate_table[idx];
2516 		break;
2517 	case SND_RME_DOMAIN_SPDIF:
2518 		idx = SND_RME_CLK_SPDIF(status1);
2519 		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2520 			rate = snd_rme_rate_table[idx];
2521 		break;
2522 	default:
2523 		return -EINVAL;
2524 	}
2525 	ucontrol->value.integer.value[0] = rate;
2526 	return 0;
2527 }
2528 
snd_rme_sync_state_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2529 static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,
2530 				  struct snd_ctl_elem_value *ucontrol)
2531 {
2532 	u32 status1;
2533 	int idx = SND_RME_CLOCK_NOLOCK;
2534 	int err;
2535 
2536 	err = snd_rme_get_status1(kcontrol, &status1);
2537 	if (err < 0)
2538 		return err;
2539 	switch (kcontrol->private_value) {
2540 	case SND_RME_DOMAIN_AES:  /* AES */
2541 		if (status1 & SND_RME_CLK_AES_SYNC)
2542 			idx = SND_RME_CLOCK_SYNC;
2543 		else if (status1 & SND_RME_CLK_AES_LOCK)
2544 			idx = SND_RME_CLOCK_LOCK;
2545 		break;
2546 	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */
2547 		if (status1 & SND_RME_CLK_SPDIF_SYNC)
2548 			idx = SND_RME_CLOCK_SYNC;
2549 		else if (status1 & SND_RME_CLK_SPDIF_LOCK)
2550 			idx = SND_RME_CLOCK_LOCK;
2551 		break;
2552 	default:
2553 		return -EINVAL;
2554 	}
2555 	ucontrol->value.enumerated.item[0] = idx;
2556 	return 0;
2557 }
2558 
snd_rme_spdif_if_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2559 static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,
2560 				struct snd_ctl_elem_value *ucontrol)
2561 {
2562 	u32 status1;
2563 	int err;
2564 
2565 	err = snd_rme_get_status1(kcontrol, &status1);
2566 	if (err < 0)
2567 		return err;
2568 	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);
2569 	return 0;
2570 }
2571 
snd_rme_spdif_format_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2572 static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,
2573 				    struct snd_ctl_elem_value *ucontrol)
2574 {
2575 	u32 status1;
2576 	int err;
2577 
2578 	err = snd_rme_get_status1(kcontrol, &status1);
2579 	if (err < 0)
2580 		return err;
2581 	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);
2582 	return 0;
2583 }
2584 
snd_rme_sync_source_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2585 static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,
2586 				   struct snd_ctl_elem_value *ucontrol)
2587 {
2588 	u32 status1;
2589 	int err;
2590 
2591 	err = snd_rme_get_status1(kcontrol, &status1);
2592 	if (err < 0)
2593 		return err;
2594 	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);
2595 	return 0;
2596 }
2597 
snd_rme_current_freq_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2598 static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,
2599 				    struct snd_ctl_elem_value *ucontrol)
2600 {
2601 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2602 	struct snd_usb_audio *chip = list->mixer->chip;
2603 	u32 status1;
2604 	const u64 num = 104857600000000ULL;
2605 	u32 den;
2606 	unsigned int freq;
2607 	int err;
2608 
2609 	err = snd_usb_lock_shutdown(chip);
2610 	if (err < 0)
2611 		return err;
2612 	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);
2613 	if (err < 0)
2614 		goto end;
2615 	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);
2616 	if (err < 0)
2617 		goto end;
2618 	freq = (den == 0) ? 0 : div64_u64(num, den);
2619 	freq <<= SND_RME_CLK_FREQMUL(status1);
2620 	ucontrol->value.integer.value[0] = freq;
2621 
2622 end:
2623 	snd_usb_unlock_shutdown(chip);
2624 	return err;
2625 }
2626 
snd_rme_rate_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2627 static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,
2628 			     struct snd_ctl_elem_info *uinfo)
2629 {
2630 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2631 	uinfo->count = 1;
2632 	switch (kcontrol->private_value) {
2633 	case SND_RME_DOMAIN_SYSTEM:
2634 		uinfo->value.integer.min = 32000;
2635 		uinfo->value.integer.max = 800000;
2636 		break;
2637 	case SND_RME_DOMAIN_AES:
2638 	case SND_RME_DOMAIN_SPDIF:
2639 	default:
2640 		uinfo->value.integer.min = 0;
2641 		uinfo->value.integer.max = 200000;
2642 	}
2643 	uinfo->value.integer.step = 0;
2644 	return 0;
2645 }
2646 
snd_rme_sync_state_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2647 static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,
2648 				   struct snd_ctl_elem_info *uinfo)
2649 {
2650 	static const char *const sync_states[] = {
2651 		"No Lock", "Lock", "Sync"
2652 	};
2653 
2654 	return snd_ctl_enum_info(uinfo, 1,
2655 				 ARRAY_SIZE(sync_states), sync_states);
2656 }
2657 
snd_rme_spdif_if_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2658 static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,
2659 				 struct snd_ctl_elem_info *uinfo)
2660 {
2661 	static const char *const spdif_if[] = {
2662 		"Coaxial", "Optical"
2663 	};
2664 
2665 	return snd_ctl_enum_info(uinfo, 1,
2666 				 ARRAY_SIZE(spdif_if), spdif_if);
2667 }
2668 
snd_rme_spdif_format_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2669 static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,
2670 				     struct snd_ctl_elem_info *uinfo)
2671 {
2672 	static const char *const optical_type[] = {
2673 		"Consumer", "Professional"
2674 	};
2675 
2676 	return snd_ctl_enum_info(uinfo, 1,
2677 				 ARRAY_SIZE(optical_type), optical_type);
2678 }
2679 
snd_rme_sync_source_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2680 static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,
2681 				    struct snd_ctl_elem_info *uinfo)
2682 {
2683 	static const char *const sync_sources[] = {
2684 		"Internal", "AES", "SPDIF", "Internal"
2685 	};
2686 
2687 	return snd_ctl_enum_info(uinfo, 1,
2688 				 ARRAY_SIZE(sync_sources), sync_sources);
2689 }
2690 
2691 static const struct snd_kcontrol_new snd_rme_controls[] = {
2692 	{
2693 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2694 		.name = "AES Rate",
2695 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2696 		.info = snd_rme_rate_info,
2697 		.get = snd_rme_rate_get,
2698 		.private_value = SND_RME_DOMAIN_AES
2699 	},
2700 	{
2701 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2702 		.name = "AES Sync",
2703 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2704 		.info = snd_rme_sync_state_info,
2705 		.get = snd_rme_sync_state_get,
2706 		.private_value = SND_RME_DOMAIN_AES
2707 	},
2708 	{
2709 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2710 		.name = "SPDIF Rate",
2711 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2712 		.info = snd_rme_rate_info,
2713 		.get = snd_rme_rate_get,
2714 		.private_value = SND_RME_DOMAIN_SPDIF
2715 	},
2716 	{
2717 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2718 		.name = "SPDIF Sync",
2719 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2720 		.info = snd_rme_sync_state_info,
2721 		.get = snd_rme_sync_state_get,
2722 		.private_value = SND_RME_DOMAIN_SPDIF
2723 	},
2724 	{
2725 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2726 		.name = "SPDIF Interface",
2727 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2728 		.info = snd_rme_spdif_if_info,
2729 		.get = snd_rme_spdif_if_get,
2730 	},
2731 	{
2732 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2733 		.name = "SPDIF Format",
2734 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2735 		.info = snd_rme_spdif_format_info,
2736 		.get = snd_rme_spdif_format_get,
2737 	},
2738 	{
2739 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2740 		.name = "Sync Source",
2741 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2742 		.info = snd_rme_sync_source_info,
2743 		.get = snd_rme_sync_source_get
2744 	},
2745 	{
2746 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2747 		.name = "System Rate",
2748 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2749 		.info = snd_rme_rate_info,
2750 		.get = snd_rme_rate_get,
2751 		.private_value = SND_RME_DOMAIN_SYSTEM
2752 	},
2753 	{
2754 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2755 		.name = "Current Frequency",
2756 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2757 		.info = snd_rme_rate_info,
2758 		.get = snd_rme_current_freq_get
2759 	}
2760 };
2761 
snd_rme_controls_create(struct usb_mixer_interface * mixer)2762 static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
2763 {
2764 	int err, i;
2765 
2766 	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {
2767 		err = add_single_ctl_with_resume(mixer, 0,
2768 						 NULL,
2769 						 &snd_rme_controls[i],
2770 						 NULL);
2771 		if (err < 0)
2772 			return err;
2773 	}
2774 
2775 	return 0;
2776 }
2777 
2778 /*
2779  * RME Babyface Pro (FS)
2780  *
2781  * These devices exposes a couple of DSP functions via request to EP0.
2782  * Switches are available via control registers, while routing is controlled
2783  * by controlling the volume on each possible crossing point.
2784  * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
2785  * 0dB being at dec. 32768.
2786  */
2787 enum {
2788 	SND_BBFPRO_CTL_REG1 = 0,
2789 	SND_BBFPRO_CTL_REG2
2790 };
2791 
2792 #define SND_BBFPRO_CTL_REG_MASK 1
2793 #define SND_BBFPRO_CTL_IDX_MASK 0xff
2794 #define SND_BBFPRO_CTL_IDX_SHIFT 1
2795 #define SND_BBFPRO_CTL_VAL_MASK 1
2796 #define SND_BBFPRO_CTL_VAL_SHIFT 9
2797 #define SND_BBFPRO_CTL_REG1_CLK_MASTER 0
2798 #define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 1
2799 #define SND_BBFPRO_CTL_REG1_SPDIF_PRO 7
2800 #define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 8
2801 #define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 10
2802 #define SND_BBFPRO_CTL_REG2_48V_AN1 0
2803 #define SND_BBFPRO_CTL_REG2_48V_AN2 1
2804 #define SND_BBFPRO_CTL_REG2_SENS_IN3 2
2805 #define SND_BBFPRO_CTL_REG2_SENS_IN4 3
2806 #define SND_BBFPRO_CTL_REG2_PAD_AN1 4
2807 #define SND_BBFPRO_CTL_REG2_PAD_AN2 5
2808 
2809 #define SND_BBFPRO_MIXER_MAIN_OUT_CH_OFFSET 992
2810 #define SND_BBFPRO_MIXER_IDX_MASK 0x3ff
2811 #define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
2812 #define SND_BBFPRO_MIXER_VAL_SHIFT 9
2813 #define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
2814 #define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB
2815 
2816 #define SND_BBFPRO_GAIN_CHANNEL_MASK 0x03
2817 #define SND_BBFPRO_GAIN_CHANNEL_SHIFT 7
2818 #define SND_BBFPRO_GAIN_VAL_MASK 0x7f
2819 #define SND_BBFPRO_GAIN_VAL_MIN 0
2820 #define SND_BBFPRO_GAIN_VAL_MIC_MAX 65
2821 #define SND_BBFPRO_GAIN_VAL_LINE_MAX 18 // 9db in 0.5db incraments
2822 
2823 #define SND_BBFPRO_USBREQ_CTL_REG1 0x10
2824 #define SND_BBFPRO_USBREQ_CTL_REG2 0x17
2825 #define SND_BBFPRO_USBREQ_GAIN 0x1a
2826 #define SND_BBFPRO_USBREQ_MIXER 0x12
2827 
snd_bbfpro_ctl_update(struct usb_mixer_interface * mixer,u8 reg,u8 index,u8 value)2828 static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,
2829 				 u8 index, u8 value)
2830 {
2831 	int err;
2832 	u16 usb_req, usb_idx, usb_val;
2833 	struct snd_usb_audio *chip = mixer->chip;
2834 
2835 	err = snd_usb_lock_shutdown(chip);
2836 	if (err < 0)
2837 		return err;
2838 
2839 	if (reg == SND_BBFPRO_CTL_REG1) {
2840 		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;
2841 		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2842 			usb_idx = 3;
2843 			usb_val = value ? 3 : 0;
2844 		} else {
2845 			usb_idx = BIT(index);
2846 			usb_val = value ? usb_idx : 0;
2847 		}
2848 	} else {
2849 		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;
2850 		usb_idx = BIT(index);
2851 		usb_val = value ? usb_idx : 0;
2852 	}
2853 
2854 	err = snd_usb_ctl_msg(chip->dev,
2855 			      usb_sndctrlpipe(chip->dev, 0), usb_req,
2856 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2857 			      usb_val, usb_idx, NULL, 0);
2858 
2859 	snd_usb_unlock_shutdown(chip);
2860 	return err;
2861 }
2862 
snd_bbfpro_ctl_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2863 static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,
2864 			      struct snd_ctl_elem_value *ucontrol)
2865 {
2866 	u8 reg, idx, val;
2867 	int pv;
2868 
2869 	pv = kcontrol->private_value;
2870 	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2871 	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2872 	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;
2873 
2874 	if ((reg == SND_BBFPRO_CTL_REG1 &&
2875 	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2876 	    (reg == SND_BBFPRO_CTL_REG2 &&
2877 	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2878 	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2879 		ucontrol->value.enumerated.item[0] = val;
2880 	} else {
2881 		ucontrol->value.integer.value[0] = val;
2882 	}
2883 	return 0;
2884 }
2885 
snd_bbfpro_ctl_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)2886 static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,
2887 			       struct snd_ctl_elem_info *uinfo)
2888 {
2889 	u8 reg, idx;
2890 	int pv;
2891 
2892 	pv = kcontrol->private_value;
2893 	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2894 	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2895 
2896 	if (reg == SND_BBFPRO_CTL_REG1 &&
2897 	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2898 		static const char * const texts[2] = {
2899 			"AutoSync",
2900 			"Internal"
2901 		};
2902 		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2903 	} else if (reg == SND_BBFPRO_CTL_REG2 &&
2904 		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2905 		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {
2906 		static const char * const texts[2] = {
2907 			"-10dBV",
2908 			"+4dBu"
2909 		};
2910 		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2911 	}
2912 
2913 	uinfo->count = 1;
2914 	uinfo->value.integer.min = 0;
2915 	uinfo->value.integer.max = 1;
2916 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2917 	return 0;
2918 }
2919 
snd_bbfpro_ctl_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2920 static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,
2921 			      struct snd_ctl_elem_value *ucontrol)
2922 {
2923 	int err;
2924 	u8 reg, idx;
2925 	int old_value, pv, val;
2926 
2927 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2928 	struct usb_mixer_interface *mixer = list->mixer;
2929 
2930 	pv = kcontrol->private_value;
2931 	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2932 	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2933 	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2934 
2935 	if ((reg == SND_BBFPRO_CTL_REG1 &&
2936 	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2937 	    (reg == SND_BBFPRO_CTL_REG2 &&
2938 	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2939 	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2940 		val = ucontrol->value.enumerated.item[0];
2941 	} else {
2942 		val = ucontrol->value.integer.value[0];
2943 	}
2944 
2945 	if (val > 1)
2946 		return -EINVAL;
2947 
2948 	if (val == old_value)
2949 		return 0;
2950 
2951 	kcontrol->private_value = reg
2952 		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)
2953 		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);
2954 
2955 	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);
2956 	return err < 0 ? err : 1;
2957 }
2958 
snd_bbfpro_ctl_resume(struct usb_mixer_elem_list * list)2959 static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)
2960 {
2961 	u8 reg, idx;
2962 	int value, pv;
2963 
2964 	pv = list->kctl->private_value;
2965 	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2966 	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2967 	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2968 
2969 	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);
2970 }
2971 
snd_bbfpro_gain_update(struct usb_mixer_interface * mixer,u8 channel,u8 gain)2972 static int snd_bbfpro_gain_update(struct usb_mixer_interface *mixer,
2973 				  u8 channel, u8 gain)
2974 {
2975 	int err;
2976 	struct snd_usb_audio *chip = mixer->chip;
2977 
2978 	if (channel < 2) {
2979 		// XLR preamp: 3-bit fine, 5-bit coarse; special case >60
2980 		if (gain < 60)
2981 			gain = ((gain % 3) << 5) | (gain / 3);
2982 		else
2983 			gain = ((gain % 6) << 5) | (60 / 3);
2984 	}
2985 
2986 	err = snd_usb_lock_shutdown(chip);
2987 	if (err < 0)
2988 		return err;
2989 
2990 	err = snd_usb_ctl_msg(chip->dev,
2991 			      usb_sndctrlpipe(chip->dev, 0),
2992 			      SND_BBFPRO_USBREQ_GAIN,
2993 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2994 			      gain, channel, NULL, 0);
2995 
2996 	snd_usb_unlock_shutdown(chip);
2997 	return err;
2998 }
2999 
snd_bbfpro_gain_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3000 static int snd_bbfpro_gain_get(struct snd_kcontrol *kcontrol,
3001 			       struct snd_ctl_elem_value *ucontrol)
3002 {
3003 	int value = kcontrol->private_value & SND_BBFPRO_GAIN_VAL_MASK;
3004 
3005 	ucontrol->value.integer.value[0] = value;
3006 	return 0;
3007 }
3008 
snd_bbfpro_gain_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)3009 static int snd_bbfpro_gain_info(struct snd_kcontrol *kcontrol,
3010 				struct snd_ctl_elem_info *uinfo)
3011 {
3012 	int pv, channel;
3013 
3014 	pv = kcontrol->private_value;
3015 	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &
3016 		SND_BBFPRO_GAIN_CHANNEL_MASK;
3017 
3018 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3019 	uinfo->count = 1;
3020 	uinfo->value.integer.min = SND_BBFPRO_GAIN_VAL_MIN;
3021 
3022 	if (channel < 2)
3023 		uinfo->value.integer.max = SND_BBFPRO_GAIN_VAL_MIC_MAX;
3024 	else
3025 		uinfo->value.integer.max = SND_BBFPRO_GAIN_VAL_LINE_MAX;
3026 
3027 	return 0;
3028 }
3029 
snd_bbfpro_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3030 static int snd_bbfpro_gain_put(struct snd_kcontrol *kcontrol,
3031 			       struct snd_ctl_elem_value *ucontrol)
3032 {
3033 	int pv, channel, old_value, value, err;
3034 
3035 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
3036 	struct usb_mixer_interface *mixer = list->mixer;
3037 
3038 	pv = kcontrol->private_value;
3039 	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &
3040 		SND_BBFPRO_GAIN_CHANNEL_MASK;
3041 	old_value = pv & SND_BBFPRO_GAIN_VAL_MASK;
3042 	value = ucontrol->value.integer.value[0];
3043 
3044 	if (value < SND_BBFPRO_GAIN_VAL_MIN)
3045 		return -EINVAL;
3046 
3047 	if (channel < 2) {
3048 		if (value > SND_BBFPRO_GAIN_VAL_MIC_MAX)
3049 			return -EINVAL;
3050 	} else {
3051 		if (value > SND_BBFPRO_GAIN_VAL_LINE_MAX)
3052 			return -EINVAL;
3053 	}
3054 
3055 	if (value == old_value)
3056 		return 0;
3057 
3058 	err = snd_bbfpro_gain_update(mixer, channel, value);
3059 	if (err < 0)
3060 		return err;
3061 
3062 	kcontrol->private_value =
3063 		(channel << SND_BBFPRO_GAIN_CHANNEL_SHIFT) | value;
3064 	return 1;
3065 }
3066 
snd_bbfpro_gain_resume(struct usb_mixer_elem_list * list)3067 static int snd_bbfpro_gain_resume(struct usb_mixer_elem_list *list)
3068 {
3069 	int pv, channel, value;
3070 	struct snd_kcontrol *kctl = list->kctl;
3071 
3072 	pv = kctl->private_value;
3073 	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &
3074 		SND_BBFPRO_GAIN_CHANNEL_MASK;
3075 	value = pv & SND_BBFPRO_GAIN_VAL_MASK;
3076 
3077 	return snd_bbfpro_gain_update(list->mixer, channel, value);
3078 }
3079 
snd_bbfpro_vol_update(struct usb_mixer_interface * mixer,u16 index,u32 value)3080 static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,
3081 				 u32 value)
3082 {
3083 	struct snd_usb_audio *chip = mixer->chip;
3084 	int err;
3085 	u16 idx;
3086 	u16 usb_idx, usb_val;
3087 	u32 v;
3088 
3089 	err = snd_usb_lock_shutdown(chip);
3090 	if (err < 0)
3091 		return err;
3092 
3093 	idx = index & SND_BBFPRO_MIXER_IDX_MASK;
3094 	// 18 bit linear volume, split so 2 bits end up in index.
3095 	v = value & SND_BBFPRO_MIXER_VAL_MASK;
3096 	usb_idx = idx | (v & 0x3) << 14;
3097 	usb_val = (v >> 2) & 0xffff;
3098 
3099 	err = snd_usb_ctl_msg(chip->dev,
3100 			      usb_sndctrlpipe(chip->dev, 0),
3101 			      SND_BBFPRO_USBREQ_MIXER,
3102 			      USB_DIR_OUT | USB_TYPE_VENDOR |
3103 			      USB_RECIP_DEVICE,
3104 			      usb_val, usb_idx, NULL, 0);
3105 
3106 	snd_usb_unlock_shutdown(chip);
3107 	return err;
3108 }
3109 
snd_bbfpro_vol_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3110 static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,
3111 			      struct snd_ctl_elem_value *ucontrol)
3112 {
3113 	ucontrol->value.integer.value[0] =
3114 		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
3115 	return 0;
3116 }
3117 
snd_bbfpro_vol_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)3118 static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,
3119 			       struct snd_ctl_elem_info *uinfo)
3120 {
3121 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3122 	uinfo->count = 1;
3123 	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;
3124 	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;
3125 	return 0;
3126 }
3127 
snd_bbfpro_vol_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3128 static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,
3129 			      struct snd_ctl_elem_value *ucontrol)
3130 {
3131 	int err;
3132 	u16 idx;
3133 	u32 new_val, old_value, uvalue;
3134 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
3135 	struct usb_mixer_interface *mixer = list->mixer;
3136 
3137 	uvalue = ucontrol->value.integer.value[0];
3138 	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;
3139 	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
3140 
3141 	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)
3142 		return -EINVAL;
3143 
3144 	if (uvalue == old_value)
3145 		return 0;
3146 
3147 	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;
3148 
3149 	kcontrol->private_value = idx
3150 		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);
3151 
3152 	err = snd_bbfpro_vol_update(mixer, idx, new_val);
3153 	return err < 0 ? err : 1;
3154 }
3155 
snd_bbfpro_vol_resume(struct usb_mixer_elem_list * list)3156 static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)
3157 {
3158 	int pv = list->kctl->private_value;
3159 	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;
3160 	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)
3161 		& SND_BBFPRO_MIXER_VAL_MASK;
3162 	return snd_bbfpro_vol_update(list->mixer, idx, val);
3163 }
3164 
3165 // Predfine elements
3166 static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {
3167 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3168 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3169 	.index = 0,
3170 	.info = snd_bbfpro_ctl_info,
3171 	.get = snd_bbfpro_ctl_get,
3172 	.put = snd_bbfpro_ctl_put
3173 };
3174 
3175 static const struct snd_kcontrol_new snd_bbfpro_gain_control = {
3176 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3177 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3178 	.index = 0,
3179 	.info = snd_bbfpro_gain_info,
3180 	.get = snd_bbfpro_gain_get,
3181 	.put = snd_bbfpro_gain_put
3182 };
3183 
3184 static const struct snd_kcontrol_new snd_bbfpro_vol_control = {
3185 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3186 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3187 	.index = 0,
3188 	.info = snd_bbfpro_vol_info,
3189 	.get = snd_bbfpro_vol_get,
3190 	.put = snd_bbfpro_vol_put
3191 };
3192 
snd_bbfpro_ctl_add(struct usb_mixer_interface * mixer,u8 reg,u8 index,char * name)3193 static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,
3194 			      u8 index, char *name)
3195 {
3196 	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;
3197 
3198 	knew.name = name;
3199 	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)
3200 		| ((index & SND_BBFPRO_CTL_IDX_MASK)
3201 			<< SND_BBFPRO_CTL_IDX_SHIFT);
3202 
3203 	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,
3204 		&knew, NULL);
3205 }
3206 
snd_bbfpro_gain_add(struct usb_mixer_interface * mixer,u8 channel,char * name)3207 static int snd_bbfpro_gain_add(struct usb_mixer_interface *mixer, u8 channel,
3208 			       char *name)
3209 {
3210 	struct snd_kcontrol_new knew = snd_bbfpro_gain_control;
3211 
3212 	knew.name = name;
3213 	knew.private_value = channel << SND_BBFPRO_GAIN_CHANNEL_SHIFT;
3214 
3215 	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_gain_resume,
3216 		&knew, NULL);
3217 }
3218 
snd_bbfpro_vol_add(struct usb_mixer_interface * mixer,u16 index,char * name)3219 static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,
3220 			      char *name)
3221 {
3222 	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;
3223 
3224 	knew.name = name;
3225 	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;
3226 
3227 	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,
3228 		&knew, NULL);
3229 }
3230 
snd_bbfpro_controls_create(struct usb_mixer_interface * mixer)3231 static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
3232 {
3233 	int err, i, o;
3234 	char name[48];
3235 
3236 	static const char * const input[] = {
3237 		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",
3238 		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};
3239 
3240 	static const char * const output[] = {
3241 		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",
3242 		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};
3243 
3244 	for (o = 0 ; o < 12 ; ++o) {
3245 		for (i = 0 ; i < 12 ; ++i) {
3246 			// Line routing
3247 			snprintf(name, sizeof(name),
3248 				 "%s-%s-%s Playback Volume",
3249 				 (i < 2 ? "Mic" : "Line"),
3250 				 input[i], output[o]);
3251 			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);
3252 			if (err < 0)
3253 				return err;
3254 
3255 			// PCM routing... yes, it is output remapping
3256 			snprintf(name, sizeof(name),
3257 				 "PCM-%s-%s Playback Volume",
3258 				 output[i], output[o]);
3259 			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),
3260 						 name);
3261 			if (err < 0)
3262 				return err;
3263 		}
3264 	}
3265 
3266 	// Main out volume
3267 	for (i = 0 ; i < 12 ; ++i) {
3268 		snprintf(name, sizeof(name), "Main-Out %s", output[i]);
3269 		// Main outs are offset to 992
3270 		err = snd_bbfpro_vol_add(mixer,
3271 					 i + SND_BBFPRO_MIXER_MAIN_OUT_CH_OFFSET,
3272 					 name);
3273 		if (err < 0)
3274 			return err;
3275 	}
3276 
3277 	// Input gain
3278 	for (i = 0 ; i < 4 ; ++i) {
3279 		if (i < 2)
3280 			snprintf(name, sizeof(name), "Mic-%s Gain", input[i]);
3281 		else
3282 			snprintf(name, sizeof(name), "Line-%s Gain", input[i]);
3283 
3284 		err = snd_bbfpro_gain_add(mixer, i, name);
3285 		if (err < 0)
3286 			return err;
3287 	}
3288 
3289 	// Control Reg 1
3290 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3291 				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,
3292 				 "Sample Clock Source");
3293 	if (err < 0)
3294 		return err;
3295 
3296 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3297 				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,
3298 				 "IEC958 Pro Mask");
3299 	if (err < 0)
3300 		return err;
3301 
3302 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3303 				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,
3304 				 "IEC958 Emphasis");
3305 	if (err < 0)
3306 		return err;
3307 
3308 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3309 				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,
3310 				 "IEC958 Switch");
3311 	if (err < 0)
3312 		return err;
3313 
3314 	// Control Reg 2
3315 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3316 				 SND_BBFPRO_CTL_REG2_48V_AN1,
3317 				 "Mic-AN1 48V");
3318 	if (err < 0)
3319 		return err;
3320 
3321 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3322 				 SND_BBFPRO_CTL_REG2_48V_AN2,
3323 				 "Mic-AN2 48V");
3324 	if (err < 0)
3325 		return err;
3326 
3327 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3328 				 SND_BBFPRO_CTL_REG2_SENS_IN3,
3329 				 "Line-IN3 Sens.");
3330 	if (err < 0)
3331 		return err;
3332 
3333 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3334 				 SND_BBFPRO_CTL_REG2_SENS_IN4,
3335 				 "Line-IN4 Sens.");
3336 	if (err < 0)
3337 		return err;
3338 
3339 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3340 				 SND_BBFPRO_CTL_REG2_PAD_AN1,
3341 				 "Mic-AN1 PAD");
3342 	if (err < 0)
3343 		return err;
3344 
3345 	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3346 				 SND_BBFPRO_CTL_REG2_PAD_AN2,
3347 				 "Mic-AN2 PAD");
3348 	if (err < 0)
3349 		return err;
3350 
3351 	return 0;
3352 }
3353 
3354 /*
3355  * RME Digiface USB
3356  */
3357 
3358 #define RME_DIGIFACE_READ_STATUS 17
3359 #define RME_DIGIFACE_STATUS_REG0L 0
3360 #define RME_DIGIFACE_STATUS_REG0H 1
3361 #define RME_DIGIFACE_STATUS_REG1L 2
3362 #define RME_DIGIFACE_STATUS_REG1H 3
3363 #define RME_DIGIFACE_STATUS_REG2L 4
3364 #define RME_DIGIFACE_STATUS_REG2H 5
3365 #define RME_DIGIFACE_STATUS_REG3L 6
3366 #define RME_DIGIFACE_STATUS_REG3H 7
3367 
3368 #define RME_DIGIFACE_CTL_REG1 16
3369 #define RME_DIGIFACE_CTL_REG2 18
3370 
3371 /* Reg is overloaded, 0-7 for status halfwords or 16 or 18 for control registers */
3372 #define RME_DIGIFACE_REGISTER(reg, mask) (((reg) << 16) | (mask))
3373 #define RME_DIGIFACE_INVERT BIT(31)
3374 
3375 /* Nonconst helpers */
3376 #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
3377 #define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
3378 
snd_rme_digiface_write_reg(struct snd_kcontrol * kcontrol,int item,u16 mask,u16 val)3379 static int snd_rme_digiface_write_reg(struct snd_kcontrol *kcontrol, int item, u16 mask, u16 val)
3380 {
3381 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
3382 	struct snd_usb_audio *chip = list->mixer->chip;
3383 	struct usb_device *dev = chip->dev;
3384 	int err;
3385 
3386 	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
3387 			      item,
3388 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3389 			      val, mask, NULL, 0);
3390 	if (err < 0)
3391 		dev_err(&dev->dev,
3392 			"unable to issue control set request %d (ret = %d)",
3393 			item, err);
3394 	return err;
3395 }
3396 
snd_rme_digiface_read_status(struct snd_kcontrol * kcontrol,u32 status[4])3397 static int snd_rme_digiface_read_status(struct snd_kcontrol *kcontrol, u32 status[4])
3398 {
3399 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
3400 	struct snd_usb_audio *chip = list->mixer->chip;
3401 	struct usb_device *dev = chip->dev;
3402 	__le32 buf[4];
3403 	int err;
3404 
3405 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
3406 			      RME_DIGIFACE_READ_STATUS,
3407 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3408 			      0, 0,
3409 			      buf, sizeof(buf));
3410 	if (err < 0) {
3411 		dev_err(&dev->dev,
3412 			"unable to issue status read request (ret = %d)",
3413 			err);
3414 	} else {
3415 		for (int i = 0; i < ARRAY_SIZE(buf); i++)
3416 			status[i] = le32_to_cpu(buf[i]);
3417 	}
3418 	return err;
3419 }
3420 
snd_rme_digiface_get_status_val(struct snd_kcontrol * kcontrol)3421 static int snd_rme_digiface_get_status_val(struct snd_kcontrol *kcontrol)
3422 {
3423 	int err;
3424 	u32 status[4];
3425 	bool invert = kcontrol->private_value & RME_DIGIFACE_INVERT;
3426 	u8 reg = (kcontrol->private_value >> 16) & 0xff;
3427 	u16 mask = kcontrol->private_value & 0xffff;
3428 	u16 val;
3429 
3430 	err = snd_rme_digiface_read_status(kcontrol, status);
3431 	if (err < 0)
3432 		return err;
3433 
3434 	switch (reg) {
3435 	/* Status register halfwords */
3436 	case RME_DIGIFACE_STATUS_REG0L ... RME_DIGIFACE_STATUS_REG3H:
3437 		break;
3438 	case RME_DIGIFACE_CTL_REG1: /* Control register 1, present in halfword 3L */
3439 		reg = RME_DIGIFACE_STATUS_REG3L;
3440 		break;
3441 	case RME_DIGIFACE_CTL_REG2: /* Control register 2, present in halfword 3H */
3442 		reg = RME_DIGIFACE_STATUS_REG3H;
3443 		break;
3444 	default:
3445 		return -EINVAL;
3446 	}
3447 
3448 	if (reg & 1)
3449 		val = status[reg >> 1] >> 16;
3450 	else
3451 		val = status[reg >> 1] & 0xffff;
3452 
3453 	if (invert)
3454 		val ^= mask;
3455 
3456 	return field_get(mask, val);
3457 }
3458 
snd_rme_digiface_rate_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3459 static int snd_rme_digiface_rate_get(struct snd_kcontrol *kcontrol,
3460 				     struct snd_ctl_elem_value *ucontrol)
3461 {
3462 	int freq = snd_rme_digiface_get_status_val(kcontrol);
3463 
3464 	if (freq < 0)
3465 		return freq;
3466 	if (freq >= ARRAY_SIZE(snd_rme_rate_table))
3467 		return -EIO;
3468 
3469 	ucontrol->value.integer.value[0] = snd_rme_rate_table[freq];
3470 	return 0;
3471 }
3472 
snd_rme_digiface_enum_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3473 static int snd_rme_digiface_enum_get(struct snd_kcontrol *kcontrol,
3474 				     struct snd_ctl_elem_value *ucontrol)
3475 {
3476 	int val = snd_rme_digiface_get_status_val(kcontrol);
3477 
3478 	if (val < 0)
3479 		return val;
3480 
3481 	ucontrol->value.enumerated.item[0] = val;
3482 	return 0;
3483 }
3484 
snd_rme_digiface_enum_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3485 static int snd_rme_digiface_enum_put(struct snd_kcontrol *kcontrol,
3486 				     struct snd_ctl_elem_value *ucontrol)
3487 {
3488 	bool invert = kcontrol->private_value & RME_DIGIFACE_INVERT;
3489 	u8 reg = (kcontrol->private_value >> 16) & 0xff;
3490 	u16 mask = kcontrol->private_value & 0xffff;
3491 	u16 val = field_prep(mask, ucontrol->value.enumerated.item[0]);
3492 
3493 	if (invert)
3494 		val ^= mask;
3495 
3496 	return snd_rme_digiface_write_reg(kcontrol, reg, mask, val);
3497 }
3498 
snd_rme_digiface_current_sync_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3499 static int snd_rme_digiface_current_sync_get(struct snd_kcontrol *kcontrol,
3500 					     struct snd_ctl_elem_value *ucontrol)
3501 {
3502 	int ret = snd_rme_digiface_enum_get(kcontrol, ucontrol);
3503 
3504 	/* 7 means internal for current sync */
3505 	if (ucontrol->value.enumerated.item[0] == 7)
3506 		ucontrol->value.enumerated.item[0] = 0;
3507 
3508 	return ret;
3509 }
3510 
snd_rme_digiface_sync_state_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3511 static int snd_rme_digiface_sync_state_get(struct snd_kcontrol *kcontrol,
3512 					   struct snd_ctl_elem_value *ucontrol)
3513 {
3514 	u32 status[4];
3515 	int err;
3516 	bool valid, sync;
3517 
3518 	err = snd_rme_digiface_read_status(kcontrol, status);
3519 	if (err < 0)
3520 		return err;
3521 
3522 	valid = status[0] & BIT(kcontrol->private_value);
3523 	sync = status[0] & BIT(5 + kcontrol->private_value);
3524 
3525 	if (!valid)
3526 		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_NOLOCK;
3527 	else if (!sync)
3528 		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_LOCK;
3529 	else
3530 		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_SYNC;
3531 	return 0;
3532 }
3533 
3534 
snd_rme_digiface_format_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)3535 static int snd_rme_digiface_format_info(struct snd_kcontrol *kcontrol,
3536 					struct snd_ctl_elem_info *uinfo)
3537 {
3538 	static const char *const format[] = {
3539 		"ADAT", "S/PDIF"
3540 	};
3541 
3542 	return snd_ctl_enum_info(uinfo, 1,
3543 				 ARRAY_SIZE(format), format);
3544 }
3545 
3546 
snd_rme_digiface_sync_source_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)3547 static int snd_rme_digiface_sync_source_info(struct snd_kcontrol *kcontrol,
3548 					     struct snd_ctl_elem_info *uinfo)
3549 {
3550 	static const char *const sync_sources[] = {
3551 		"Internal", "Input 1", "Input 2", "Input 3", "Input 4"
3552 	};
3553 
3554 	return snd_ctl_enum_info(uinfo, 1,
3555 				 ARRAY_SIZE(sync_sources), sync_sources);
3556 }
3557 
snd_rme_digiface_rate_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)3558 static int snd_rme_digiface_rate_info(struct snd_kcontrol *kcontrol,
3559 				      struct snd_ctl_elem_info *uinfo)
3560 {
3561 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3562 	uinfo->count = 1;
3563 	uinfo->value.integer.min = 0;
3564 	uinfo->value.integer.max = 200000;
3565 	uinfo->value.integer.step = 0;
3566 	return 0;
3567 }
3568 
3569 static const struct snd_kcontrol_new snd_rme_digiface_controls[] = {
3570 	{
3571 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3572 		.name = "Input 1 Sync",
3573 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3574 		.info = snd_rme_sync_state_info,
3575 		.get = snd_rme_digiface_sync_state_get,
3576 		.private_value = 0,
3577 	},
3578 	{
3579 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3580 		.name = "Input 1 Format",
3581 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3582 		.info = snd_rme_digiface_format_info,
3583 		.get = snd_rme_digiface_enum_get,
3584 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0H, BIT(0)) |
3585 			RME_DIGIFACE_INVERT,
3586 	},
3587 	{
3588 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3589 		.name = "Input 1 Rate",
3590 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3591 		.info = snd_rme_digiface_rate_info,
3592 		.get = snd_rme_digiface_rate_get,
3593 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(3, 0)),
3594 	},
3595 	{
3596 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3597 		.name = "Input 2 Sync",
3598 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3599 		.info = snd_rme_sync_state_info,
3600 		.get = snd_rme_digiface_sync_state_get,
3601 		.private_value = 1,
3602 	},
3603 	{
3604 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3605 		.name = "Input 2 Format",
3606 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3607 		.info = snd_rme_digiface_format_info,
3608 		.get = snd_rme_digiface_enum_get,
3609 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, BIT(13)) |
3610 			RME_DIGIFACE_INVERT,
3611 	},
3612 	{
3613 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3614 		.name = "Input 2 Rate",
3615 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3616 		.info = snd_rme_digiface_rate_info,
3617 		.get = snd_rme_digiface_rate_get,
3618 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(7, 4)),
3619 	},
3620 	{
3621 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3622 		.name = "Input 3 Sync",
3623 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3624 		.info = snd_rme_sync_state_info,
3625 		.get = snd_rme_digiface_sync_state_get,
3626 		.private_value = 2,
3627 	},
3628 	{
3629 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3630 		.name = "Input 3 Format",
3631 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3632 		.info = snd_rme_digiface_format_info,
3633 		.get = snd_rme_digiface_enum_get,
3634 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, BIT(14)) |
3635 			RME_DIGIFACE_INVERT,
3636 	},
3637 	{
3638 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3639 		.name = "Input 3 Rate",
3640 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3641 		.info = snd_rme_digiface_rate_info,
3642 		.get = snd_rme_digiface_rate_get,
3643 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(11, 8)),
3644 	},
3645 	{
3646 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3647 		.name = "Input 4 Sync",
3648 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3649 		.info = snd_rme_sync_state_info,
3650 		.get = snd_rme_digiface_sync_state_get,
3651 		.private_value = 3,
3652 	},
3653 	{
3654 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3655 		.name = "Input 4 Format",
3656 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3657 		.info = snd_rme_digiface_format_info,
3658 		.get = snd_rme_digiface_enum_get,
3659 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, GENMASK(15, 12)) |
3660 			RME_DIGIFACE_INVERT,
3661 	},
3662 	{
3663 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3664 		.name = "Input 4 Rate",
3665 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3666 		.info = snd_rme_digiface_rate_info,
3667 		.get = snd_rme_digiface_rate_get,
3668 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(3, 0)),
3669 	},
3670 	{
3671 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3672 		.name = "Output 1 Format",
3673 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3674 		.info = snd_rme_digiface_format_info,
3675 		.get = snd_rme_digiface_enum_get,
3676 		.put = snd_rme_digiface_enum_put,
3677 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(0)),
3678 	},
3679 	{
3680 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3681 		.name = "Output 2 Format",
3682 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3683 		.info = snd_rme_digiface_format_info,
3684 		.get = snd_rme_digiface_enum_get,
3685 		.put = snd_rme_digiface_enum_put,
3686 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(1)),
3687 	},
3688 	{
3689 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3690 		.name = "Output 3 Format",
3691 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3692 		.info = snd_rme_digiface_format_info,
3693 		.get = snd_rme_digiface_enum_get,
3694 		.put = snd_rme_digiface_enum_put,
3695 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(3)),
3696 	},
3697 	{
3698 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3699 		.name = "Output 4 Format",
3700 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3701 		.info = snd_rme_digiface_format_info,
3702 		.get = snd_rme_digiface_enum_get,
3703 		.put = snd_rme_digiface_enum_put,
3704 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(4)),
3705 	},
3706 	{
3707 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3708 		.name = "Sync Source",
3709 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3710 		.info = snd_rme_digiface_sync_source_info,
3711 		.get = snd_rme_digiface_enum_get,
3712 		.put = snd_rme_digiface_enum_put,
3713 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG1, GENMASK(2, 0)),
3714 	},
3715 	{
3716 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3717 		.name = "Current Sync Source",
3718 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3719 		.info = snd_rme_digiface_sync_source_info,
3720 		.get = snd_rme_digiface_current_sync_get,
3721 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, GENMASK(12, 10)),
3722 	},
3723 	{
3724 		/*
3725 		 * This is writeable, but it is only set by the PCM rate.
3726 		 * Mixer apps currently need to drive the mixer using raw USB requests,
3727 		 * so they can also change this that way to configure the rate for
3728 		 * stand-alone operation when the PCM is closed.
3729 		 */
3730 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3731 		.name = "System Rate",
3732 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3733 		.info = snd_rme_rate_info,
3734 		.get = snd_rme_digiface_rate_get,
3735 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG1, GENMASK(6, 3)),
3736 	},
3737 	{
3738 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3739 		.name = "Current Rate",
3740 		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3741 		.info = snd_rme_rate_info,
3742 		.get = snd_rme_digiface_rate_get,
3743 		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1H, GENMASK(7, 4)),
3744 	}
3745 };
3746 
snd_rme_digiface_controls_create(struct usb_mixer_interface * mixer)3747 static int snd_rme_digiface_controls_create(struct usb_mixer_interface *mixer)
3748 {
3749 	int err, i;
3750 
3751 	for (i = 0; i < ARRAY_SIZE(snd_rme_digiface_controls); ++i) {
3752 		err = add_single_ctl_with_resume(mixer, 0,
3753 						 NULL,
3754 						 &snd_rme_digiface_controls[i],
3755 						 NULL);
3756 		if (err < 0)
3757 			return err;
3758 	}
3759 
3760 	return 0;
3761 }
3762 
3763 /*
3764  * Pioneer DJ DJM Mixers
3765  *
3766  * These devices generally have options for soft-switching the playback and
3767  * capture sources in addition to the recording level. Although different
3768  * devices have different configurations, there seems to be canonical values
3769  * for specific capture/playback types:  See the definitions of these below.
3770  *
3771  * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to
3772  * capture phono would be 0x0203. Capture, playback and capture level have
3773  * different wIndexes.
3774  */
3775 
3776 // Capture types
3777 #define SND_DJM_CAP_LINE	0x00
3778 #define SND_DJM_CAP_CDLINE	0x01
3779 #define SND_DJM_CAP_DIGITAL	0x02
3780 #define SND_DJM_CAP_PHONO	0x03
3781 #define SND_DJM_CAP_PFADER	0x06
3782 #define SND_DJM_CAP_XFADERA	0x07
3783 #define SND_DJM_CAP_XFADERB	0x08
3784 #define SND_DJM_CAP_MIC		0x09
3785 #define SND_DJM_CAP_AUX		0x0d
3786 #define SND_DJM_CAP_RECOUT	0x0a
3787 #define SND_DJM_CAP_NONE	0x0f
3788 #define SND_DJM_CAP_CH1PFADER	0x11
3789 #define SND_DJM_CAP_CH2PFADER	0x12
3790 #define SND_DJM_CAP_CH3PFADER	0x13
3791 #define SND_DJM_CAP_CH4PFADER	0x14
3792 
3793 // Playback types
3794 #define SND_DJM_PB_CH1		0x00
3795 #define SND_DJM_PB_CH2		0x01
3796 #define SND_DJM_PB_AUX		0x04
3797 
3798 #define SND_DJM_WINDEX_CAP	0x8002
3799 #define SND_DJM_WINDEX_CAPLVL	0x8003
3800 #define SND_DJM_WINDEX_PB	0x8016
3801 
3802 // kcontrol->private_value layout
3803 #define SND_DJM_VALUE_MASK	0x0000ffff
3804 #define SND_DJM_GROUP_MASK	0x00ff0000
3805 #define SND_DJM_DEVICE_MASK	0xff000000
3806 #define SND_DJM_GROUP_SHIFT	16
3807 #define SND_DJM_DEVICE_SHIFT	24
3808 
3809 // device table index
3810 // used for the snd_djm_devices table, so please update accordingly
3811 #define SND_DJM_250MK2_IDX	0x0
3812 #define SND_DJM_750_IDX		0x1
3813 #define SND_DJM_850_IDX		0x2
3814 #define SND_DJM_900NXS2_IDX	0x3
3815 #define SND_DJM_750MK2_IDX	0x4
3816 #define SND_DJM_450_IDX		0x5
3817 
3818 
3819 #define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
3820 	.name = _name, \
3821 	.options = snd_djm_opts_##suffix, \
3822 	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \
3823 	.default_value = _default_value, \
3824 	.wIndex = _windex }
3825 
3826 #define SND_DJM_DEVICE(suffix) { \
3827 	.controls = snd_djm_ctls_##suffix, \
3828 	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }
3829 
3830 
3831 struct snd_djm_device {
3832 	const char *name;
3833 	const struct snd_djm_ctl *controls;
3834 	size_t ncontrols;
3835 };
3836 
3837 struct snd_djm_ctl {
3838 	const char *name;
3839 	const u16 *options;
3840 	size_t noptions;
3841 	u16 default_value;
3842 	u16 wIndex;
3843 };
3844 
snd_djm_get_label_caplevel(u16 wvalue)3845 static const char *snd_djm_get_label_caplevel(u16 wvalue)
3846 {
3847 	switch (wvalue) {
3848 	case 0x0000:	return "-19dB";
3849 	case 0x0100:	return "-15dB";
3850 	case 0x0200:	return "-10dB";
3851 	case 0x0300:	return "-5dB";
3852 	default:	return NULL;
3853 	}
3854 };
3855 
snd_djm_get_label_cap_common(u16 wvalue)3856 static const char *snd_djm_get_label_cap_common(u16 wvalue)
3857 {
3858 	switch (wvalue & 0x00ff) {
3859 	case SND_DJM_CAP_LINE:		return "Control Tone LINE";
3860 	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";
3861 	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";
3862 	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";
3863 	case SND_DJM_CAP_PFADER:	return "Post Fader";
3864 	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";
3865 	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";
3866 	case SND_DJM_CAP_MIC:		return "Mic";
3867 	case SND_DJM_CAP_RECOUT:	return "Rec Out";
3868 	case SND_DJM_CAP_AUX:		return "Aux";
3869 	case SND_DJM_CAP_NONE:		return "None";
3870 	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";
3871 	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";
3872 	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";
3873 	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";
3874 	default:			return NULL;
3875 	}
3876 };
3877 
3878 // The DJM-850 has different values for CD/LINE and LINE capture
3879 // control options than the other DJM declared in this file.
snd_djm_get_label_cap_850(u16 wvalue)3880 static const char *snd_djm_get_label_cap_850(u16 wvalue)
3881 {
3882 	switch (wvalue & 0x00ff) {
3883 	case 0x00:		return "Control Tone CD/LINE";
3884 	case 0x01:		return "Control Tone LINE";
3885 	default:		return snd_djm_get_label_cap_common(wvalue);
3886 	}
3887 };
3888 
snd_djm_get_label_cap(u8 device_idx,u16 wvalue)3889 static const char *snd_djm_get_label_cap(u8 device_idx, u16 wvalue)
3890 {
3891 	switch (device_idx) {
3892 	case SND_DJM_850_IDX:		return snd_djm_get_label_cap_850(wvalue);
3893 	default:			return snd_djm_get_label_cap_common(wvalue);
3894 	}
3895 };
3896 
snd_djm_get_label_pb(u16 wvalue)3897 static const char *snd_djm_get_label_pb(u16 wvalue)
3898 {
3899 	switch (wvalue & 0x00ff) {
3900 	case SND_DJM_PB_CH1:	return "Ch1";
3901 	case SND_DJM_PB_CH2:	return "Ch2";
3902 	case SND_DJM_PB_AUX:	return "Aux";
3903 	default:		return NULL;
3904 	}
3905 };
3906 
snd_djm_get_label(u8 device_idx,u16 wvalue,u16 windex)3907 static const char *snd_djm_get_label(u8 device_idx, u16 wvalue, u16 windex)
3908 {
3909 	switch (windex) {
3910 	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(wvalue);
3911 	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(device_idx, wvalue);
3912 	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);
3913 	default:			return NULL;
3914 	}
3915 };
3916 
3917 // common DJM capture level option values
3918 static const u16 snd_djm_opts_cap_level[] = {
3919 	0x0000, 0x0100, 0x0200, 0x0300 };
3920 
3921 
3922 // DJM-250MK2
3923 static const u16 snd_djm_opts_250mk2_cap1[] = {
3924 	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3925 
3926 static const u16 snd_djm_opts_250mk2_cap2[] = {
3927 	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3928 
3929 static const u16 snd_djm_opts_250mk2_cap3[] = {
3930 	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3931 
3932 static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3933 static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3934 static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3935 
3936 static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {
3937 	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3938 	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3939 	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3940 	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),
3941 	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),
3942 	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),
3943 	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)
3944 };
3945 
3946 
3947 // DJM-450
3948 static const u16 snd_djm_opts_450_cap1[] = {
3949 	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3950 
3951 static const u16 snd_djm_opts_450_cap2[] = {
3952 	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3953 
3954 static const u16 snd_djm_opts_450_cap3[] = {
3955 	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3956 
3957 static const u16 snd_djm_opts_450_pb1[] = { 0x0100, 0x0101, 0x0104 };
3958 static const u16 snd_djm_opts_450_pb2[] = { 0x0200, 0x0201, 0x0204 };
3959 static const u16 snd_djm_opts_450_pb3[] = { 0x0300, 0x0301, 0x0304 };
3960 
3961 static const struct snd_djm_ctl snd_djm_ctls_450[] = {
3962 	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3963 	SND_DJM_CTL("Ch1 Input",   450_cap1, 2, SND_DJM_WINDEX_CAP),
3964 	SND_DJM_CTL("Ch2 Input",   450_cap2, 2, SND_DJM_WINDEX_CAP),
3965 	SND_DJM_CTL("Ch3 Input",   450_cap3, 0, SND_DJM_WINDEX_CAP),
3966 	SND_DJM_CTL("Ch1 Output",   450_pb1, 0, SND_DJM_WINDEX_PB),
3967 	SND_DJM_CTL("Ch2 Output",   450_pb2, 1, SND_DJM_WINDEX_PB),
3968 	SND_DJM_CTL("Ch3 Output",   450_pb3, 2, SND_DJM_WINDEX_PB)
3969 };
3970 
3971 
3972 // DJM-750
3973 static const u16 snd_djm_opts_750_cap1[] = {
3974 	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3975 static const u16 snd_djm_opts_750_cap2[] = {
3976 	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3977 static const u16 snd_djm_opts_750_cap3[] = {
3978 	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3979 static const u16 snd_djm_opts_750_cap4[] = {
3980 	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3981 
3982 static const struct snd_djm_ctl snd_djm_ctls_750[] = {
3983 	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3984 	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),
3985 	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),
3986 	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),
3987 	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)
3988 };
3989 
3990 
3991 // DJM-850
3992 static const u16 snd_djm_opts_850_cap1[] = {
3993 	0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3994 static const u16 snd_djm_opts_850_cap2[] = {
3995 	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3996 static const u16 snd_djm_opts_850_cap3[] = {
3997 	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3998 static const u16 snd_djm_opts_850_cap4[] = {
3999 	0x0400, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
4000 
4001 static const struct snd_djm_ctl snd_djm_ctls_850[] = {
4002 	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
4003 	SND_DJM_CTL("Ch1 Input",   850_cap1, 1, SND_DJM_WINDEX_CAP),
4004 	SND_DJM_CTL("Ch2 Input",   850_cap2, 0, SND_DJM_WINDEX_CAP),
4005 	SND_DJM_CTL("Ch3 Input",   850_cap3, 0, SND_DJM_WINDEX_CAP),
4006 	SND_DJM_CTL("Ch4 Input",   850_cap4, 1, SND_DJM_WINDEX_CAP)
4007 };
4008 
4009 
4010 // DJM-900NXS2
4011 static const u16 snd_djm_opts_900nxs2_cap1[] = {
4012 	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
4013 static const u16 snd_djm_opts_900nxs2_cap2[] = {
4014 	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
4015 static const u16 snd_djm_opts_900nxs2_cap3[] = {
4016 	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
4017 static const u16 snd_djm_opts_900nxs2_cap4[] = {
4018 	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
4019 static const u16 snd_djm_opts_900nxs2_cap5[] = {
4020 	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
4021 
4022 static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {
4023 	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
4024 	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),
4025 	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),
4026 	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),
4027 	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),
4028 	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
4029 };
4030 
4031 // DJM-750MK2
4032 static const u16 snd_djm_opts_750mk2_cap1[] = {
4033 	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
4034 static const u16 snd_djm_opts_750mk2_cap2[] = {
4035 	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
4036 static const u16 snd_djm_opts_750mk2_cap3[] = {
4037 	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
4038 static const u16 snd_djm_opts_750mk2_cap4[] = {
4039 	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
4040 static const u16 snd_djm_opts_750mk2_cap5[] = {
4041 	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
4042 
4043 static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
4044 static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
4045 static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
4046 
4047 
4048 static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = {
4049 	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
4050 	SND_DJM_CTL("Ch1 Input",   750mk2_cap1, 2, SND_DJM_WINDEX_CAP),
4051 	SND_DJM_CTL("Ch2 Input",   750mk2_cap2, 2, SND_DJM_WINDEX_CAP),
4052 	SND_DJM_CTL("Ch3 Input",   750mk2_cap3, 2, SND_DJM_WINDEX_CAP),
4053 	SND_DJM_CTL("Ch4 Input",   750mk2_cap4, 2, SND_DJM_WINDEX_CAP),
4054 	SND_DJM_CTL("Ch5 Input",   750mk2_cap5, 3, SND_DJM_WINDEX_CAP),
4055 	SND_DJM_CTL("Ch1 Output",   750mk2_pb1, 0, SND_DJM_WINDEX_PB),
4056 	SND_DJM_CTL("Ch2 Output",   750mk2_pb2, 1, SND_DJM_WINDEX_PB),
4057 	SND_DJM_CTL("Ch3 Output",   750mk2_pb3, 2, SND_DJM_WINDEX_PB)
4058 };
4059 
4060 
4061 static const struct snd_djm_device snd_djm_devices[] = {
4062 	[SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2),
4063 	[SND_DJM_750_IDX] = SND_DJM_DEVICE(750),
4064 	[SND_DJM_850_IDX] = SND_DJM_DEVICE(850),
4065 	[SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2),
4066 	[SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2),
4067 	[SND_DJM_450_IDX] = SND_DJM_DEVICE(450),
4068 };
4069 
4070 
snd_djm_controls_info(struct snd_kcontrol * kctl,struct snd_ctl_elem_info * info)4071 static int snd_djm_controls_info(struct snd_kcontrol *kctl,
4072 				 struct snd_ctl_elem_info *info)
4073 {
4074 	unsigned long private_value = kctl->private_value;
4075 	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
4076 	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
4077 	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
4078 	const char *name;
4079 	const struct snd_djm_ctl *ctl;
4080 	size_t noptions;
4081 
4082 	if (ctl_idx >= device->ncontrols)
4083 		return -EINVAL;
4084 
4085 	ctl = &device->controls[ctl_idx];
4086 	noptions = ctl->noptions;
4087 	if (info->value.enumerated.item >= noptions)
4088 		info->value.enumerated.item = noptions - 1;
4089 
4090 	name = snd_djm_get_label(device_idx,
4091 				 ctl->options[info->value.enumerated.item],
4092 				 ctl->wIndex);
4093 	if (!name)
4094 		return -EINVAL;
4095 
4096 	strscpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));
4097 	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
4098 	info->count = 1;
4099 	info->value.enumerated.items = noptions;
4100 	return 0;
4101 }
4102 
snd_djm_controls_update(struct usb_mixer_interface * mixer,u8 device_idx,u8 group,u16 value)4103 static int snd_djm_controls_update(struct usb_mixer_interface *mixer,
4104 				   u8 device_idx, u8 group, u16 value)
4105 {
4106 	int err;
4107 	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
4108 
4109 	if (group >= device->ncontrols || value >= device->controls[group].noptions)
4110 		return -EINVAL;
4111 
4112 	err = snd_usb_lock_shutdown(mixer->chip);
4113 	if (err)
4114 		return err;
4115 
4116 	err = snd_usb_ctl_msg(mixer->chip->dev,
4117 			      usb_sndctrlpipe(mixer->chip->dev, 0),
4118 			      USB_REQ_SET_FEATURE,
4119 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
4120 			      device->controls[group].options[value],
4121 			      device->controls[group].wIndex,
4122 			      NULL, 0);
4123 
4124 	snd_usb_unlock_shutdown(mixer->chip);
4125 	return err;
4126 }
4127 
snd_djm_controls_get(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * elem)4128 static int snd_djm_controls_get(struct snd_kcontrol *kctl,
4129 				struct snd_ctl_elem_value *elem)
4130 {
4131 	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;
4132 	return 0;
4133 }
4134 
snd_djm_controls_put(struct snd_kcontrol * kctl,struct snd_ctl_elem_value * elem)4135 static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
4136 {
4137 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
4138 	struct usb_mixer_interface *mixer = list->mixer;
4139 	unsigned long private_value = kctl->private_value;
4140 
4141 	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
4142 	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
4143 	u16 value = elem->value.enumerated.item[0];
4144 
4145 	kctl->private_value = (((unsigned long)device << SND_DJM_DEVICE_SHIFT) |
4146 			      (group << SND_DJM_GROUP_SHIFT) |
4147 			      value);
4148 
4149 	return snd_djm_controls_update(mixer, device, group, value);
4150 }
4151 
snd_djm_controls_resume(struct usb_mixer_elem_list * list)4152 static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)
4153 {
4154 	unsigned long private_value = list->kctl->private_value;
4155 	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
4156 	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
4157 	u16 value = (private_value & SND_DJM_VALUE_MASK);
4158 
4159 	return snd_djm_controls_update(list->mixer, device, group, value);
4160 }
4161 
snd_djm_controls_create(struct usb_mixer_interface * mixer,const u8 device_idx)4162 static int snd_djm_controls_create(struct usb_mixer_interface *mixer,
4163 				   const u8 device_idx)
4164 {
4165 	int err, i;
4166 	u16 value;
4167 
4168 	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
4169 
4170 	struct snd_kcontrol_new knew = {
4171 		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
4172 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
4173 		.index = 0,
4174 		.info = snd_djm_controls_info,
4175 		.get  = snd_djm_controls_get,
4176 		.put  = snd_djm_controls_put
4177 	};
4178 
4179 	for (i = 0; i < device->ncontrols; i++) {
4180 		value = device->controls[i].default_value;
4181 		knew.name = device->controls[i].name;
4182 		knew.private_value =
4183 			((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) |
4184 			(i << SND_DJM_GROUP_SHIFT) |
4185 			value;
4186 		err = snd_djm_controls_update(mixer, device_idx, i, value);
4187 		if (err)
4188 			return err;
4189 		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,
4190 						 &knew, NULL);
4191 		if (err)
4192 			return err;
4193 	}
4194 	return 0;
4195 }
4196 
snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface * mixer)4197 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
4198 {
4199 	int err = 0;
4200 
4201 	err = snd_usb_soundblaster_remote_init(mixer);
4202 	if (err < 0)
4203 		return err;
4204 
4205 	switch (mixer->chip->usb_id) {
4206 	/* Tascam US-16x08 */
4207 	case USB_ID(0x0644, 0x8047):
4208 		err = snd_us16x08_controls_create(mixer);
4209 		break;
4210 	case USB_ID(0x041e, 0x3020):
4211 	case USB_ID(0x041e, 0x3040):
4212 	case USB_ID(0x041e, 0x3042):
4213 	case USB_ID(0x041e, 0x30df):
4214 	case USB_ID(0x041e, 0x3048):
4215 		err = snd_audigy2nx_controls_create(mixer);
4216 		if (err < 0)
4217 			break;
4218 		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",
4219 				     mixer, snd_audigy2nx_proc_read);
4220 		break;
4221 
4222 	/* EMU0204 */
4223 	case USB_ID(0x041e, 0x3f19):
4224 		err = snd_emu0204_controls_create(mixer);
4225 		break;
4226 
4227 #if IS_REACHABLE(CONFIG_INPUT)
4228 	case USB_ID(0x054c, 0x0ce6): /* Sony DualSense controller (PS5) */
4229 	case USB_ID(0x054c, 0x0df2): /* Sony DualSense Edge controller (PS5) */
4230 		err = snd_dualsense_controls_create(mixer);
4231 		break;
4232 #endif /* IS_REACHABLE(CONFIG_INPUT) */
4233 
4234 	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
4235 	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
4236 		err = snd_c400_create_mixer(mixer);
4237 		break;
4238 
4239 	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
4240 	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
4241 		err = snd_ftu_create_mixer(mixer);
4242 		break;
4243 
4244 	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
4245 	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
4246 	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
4247 		err = snd_xonar_u1_controls_create(mixer);
4248 		break;
4249 
4250 	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
4251 		err = snd_microii_controls_create(mixer);
4252 		break;
4253 
4254 	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
4255 		err = snd_mbox1_controls_create(mixer);
4256 		break;
4257 
4258 	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
4259 		err = snd_nativeinstruments_create_mixer(/* checkpatch hack */
4260 				mixer,
4261 				snd_nativeinstruments_ta6_mixers,
4262 				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
4263 		break;
4264 
4265 	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
4266 		err = snd_nativeinstruments_create_mixer(/* checkpatch hack */
4267 				mixer,
4268 				snd_nativeinstruments_ta10_mixers,
4269 				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
4270 		break;
4271 
4272 	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
4273 		/* detection is disabled in mixer_maps.c */
4274 		err = snd_create_std_mono_table(mixer, ebox44_table);
4275 		break;
4276 
4277 	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
4278 	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
4279 	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
4280 	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
4281 	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
4282 		err = snd_scarlett_controls_create(mixer);
4283 		break;
4284 
4285 	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
4286 	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
4287 	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
4288 	case USB_ID(0x1235, 0x8211): /* Focusrite Scarlett Solo 3rd Gen */
4289 	case USB_ID(0x1235, 0x8210): /* Focusrite Scarlett 2i2 3rd Gen */
4290 	case USB_ID(0x1235, 0x8212): /* Focusrite Scarlett 4i4 3rd Gen */
4291 	case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */
4292 	case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */
4293 	case USB_ID(0x1235, 0x8215): /* Focusrite Scarlett 18i20 3rd Gen */
4294 	case USB_ID(0x1235, 0x8216): /* Focusrite Vocaster One */
4295 	case USB_ID(0x1235, 0x8217): /* Focusrite Vocaster Two */
4296 	case USB_ID(0x1235, 0x8218): /* Focusrite Scarlett Solo 4th Gen */
4297 	case USB_ID(0x1235, 0x8219): /* Focusrite Scarlett 2i2 4th Gen */
4298 	case USB_ID(0x1235, 0x821a): /* Focusrite Scarlett 4i4 4th Gen */
4299 	case USB_ID(0x1235, 0x8206): /* Focusrite Clarett 2Pre USB */
4300 	case USB_ID(0x1235, 0x8207): /* Focusrite Clarett 4Pre USB */
4301 	case USB_ID(0x1235, 0x8208): /* Focusrite Clarett 8Pre USB */
4302 	case USB_ID(0x1235, 0x820a): /* Focusrite Clarett+ 2Pre */
4303 	case USB_ID(0x1235, 0x820b): /* Focusrite Clarett+ 4Pre */
4304 	case USB_ID(0x1235, 0x820c): /* Focusrite Clarett+ 8Pre */
4305 		err = snd_scarlett2_init(mixer);
4306 		break;
4307 
4308 	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
4309 		err = snd_soundblaster_e1_switch_create(mixer);
4310 		break;
4311 	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
4312 		err = dell_dock_mixer_create(mixer);
4313 		if (err < 0)
4314 			break;
4315 		err = dell_dock_mixer_init(mixer);
4316 		break;
4317 	case USB_ID(0x0bda, 0x402e): /* Dell WD19 dock */
4318 		err = dell_dock_mixer_create(mixer);
4319 		break;
4320 
4321 	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */
4322 	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */
4323 	case USB_ID(0x2a39, 0x3fd4): /* RME */
4324 		err = snd_rme_controls_create(mixer);
4325 		break;
4326 
4327 	case USB_ID(0x194f, 0x010c): /* Presonus Studio 1810c */
4328 		err = snd_sc1810_init_mixer(mixer);
4329 		break;
4330 	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */
4331 		err = snd_bbfpro_controls_create(mixer);
4332 		break;
4333 	case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */
4334 	case USB_ID(0x2a39, 0x3fa0): /* RME Digiface USB (alternate) */
4335 		err = snd_rme_digiface_controls_create(mixer);
4336 		break;
4337 	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
4338 		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);
4339 		break;
4340 	case USB_ID(0x2b73, 0x0013): /* Pioneer DJ DJM-450 */
4341 		err = snd_djm_controls_create(mixer, SND_DJM_450_IDX);
4342 		break;
4343 	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
4344 		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
4345 		break;
4346 	case USB_ID(0x2b73, 0x001b): /* Pioneer DJ DJM-750MK2 */
4347 		err = snd_djm_controls_create(mixer, SND_DJM_750MK2_IDX);
4348 		break;
4349 	case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */
4350 		err = snd_djm_controls_create(mixer, SND_DJM_850_IDX);
4351 		break;
4352 	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
4353 		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);
4354 		break;
4355 	}
4356 
4357 	return err;
4358 }
4359 
snd_usb_mixer_resume_quirk(struct usb_mixer_interface * mixer)4360 void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)
4361 {
4362 	switch (mixer->chip->usb_id) {
4363 	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
4364 		dell_dock_mixer_init(mixer);
4365 		break;
4366 	}
4367 }
4368 
snd_usb_mixer_rc_memory_change(struct usb_mixer_interface * mixer,int unitid)4369 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
4370 				    int unitid)
4371 {
4372 	if (!mixer->rc_cfg)
4373 		return;
4374 	/* unit ids specific to Extigy/Audigy 2 NX: */
4375 	switch (unitid) {
4376 	case 0: /* remote control */
4377 		mixer->rc_urb->dev = mixer->chip->dev;
4378 		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
4379 		break;
4380 	case 4: /* digital in jack */
4381 	case 7: /* line in jacks */
4382 	case 19: /* speaker out jacks */
4383 	case 20: /* headphones out jack */
4384 		break;
4385 	/* live24ext: 4 = line-in jack */
4386 	case 3:	/* hp-out jack (may actuate Mute) */
4387 		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
4388 		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
4389 			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
4390 		break;
4391 	default:
4392 		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
4393 		break;
4394 	}
4395 }
4396 
snd_dragonfly_quirk_db_scale(struct usb_mixer_interface * mixer,struct usb_mixer_elem_info * cval,struct snd_kcontrol * kctl)4397 static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
4398 					 struct usb_mixer_elem_info *cval,
4399 					 struct snd_kcontrol *kctl)
4400 {
4401 	/* Approximation using 10 ranges based on output measurement on hw v1.2.
4402 	 * This seems close to the cubic mapping e.g. alsamixer uses.
4403 	 */
4404 	static const DECLARE_TLV_DB_RANGE(scale,
4405 		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
4406 		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
4407 		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
4408 		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
4409 		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
4410 		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
4411 		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
4412 		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
4413 		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
4414 		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
4415 	);
4416 
4417 	if (cval->min == 0 && cval->max == 50) {
4418 		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
4419 		kctl->tlv.p = scale;
4420 		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
4421 		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
4422 
4423 	} else if (cval->min == 0 && cval->max <= 1000) {
4424 		/* Some other clearly broken DragonFly variant.
4425 		 * At least a 0..53 variant (hw v1.0) exists.
4426 		 */
4427 		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
4428 		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
4429 	}
4430 }
4431 
4432 /*
4433  * Some Plantronics headsets have control names that don't meet ALSA naming
4434  * standards. This function fixes nonstandard source names. By the time
4435  * this function is called the control name should look like one of these:
4436  * "source names Playback Volume"
4437  * "source names Playback Switch"
4438  * "source names Capture Volume"
4439  * "source names Capture Switch"
4440  * If any of the trigger words are found in the name then the name will
4441  * be changed to:
4442  * "Headset Playback Volume"
4443  * "Headset Playback Switch"
4444  * "Headset Capture Volume"
4445  * "Headset Capture Switch"
4446  * depending on the current suffix.
4447  */
snd_fix_plt_name(struct snd_usb_audio * chip,struct snd_ctl_elem_id * id)4448 static void snd_fix_plt_name(struct snd_usb_audio *chip,
4449 			     struct snd_ctl_elem_id *id)
4450 {
4451 	/* no variant of "Sidetone" should be added to this list */
4452 	static const char * const trigger[] = {
4453 		"Earphone", "Microphone", "Receive", "Transmit"
4454 	};
4455 	static const char * const suffix[] = {
4456 		" Playback Volume", " Playback Switch",
4457 		" Capture Volume", " Capture Switch"
4458 	};
4459 	int i;
4460 
4461 	for (i = 0; i < ARRAY_SIZE(trigger); i++)
4462 		if (strstr(id->name, trigger[i]))
4463 			goto triggered;
4464 	usb_audio_dbg(chip, "no change in %s\n", id->name);
4465 	return;
4466 
4467 triggered:
4468 	for (i = 0; i < ARRAY_SIZE(suffix); i++)
4469 		if (strstr(id->name, suffix[i])) {
4470 			usb_audio_dbg(chip, "fixing kctl name %s\n", id->name);
4471 			snprintf(id->name, sizeof(id->name), "Headset%s",
4472 				 suffix[i]);
4473 			return;
4474 		}
4475 	usb_audio_dbg(chip, "something wrong in kctl name %s\n", id->name);
4476 }
4477 
snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface * mixer,struct usb_mixer_elem_info * cval,int unitid,struct snd_kcontrol * kctl)4478 void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
4479 				  struct usb_mixer_elem_info *cval, int unitid,
4480 				  struct snd_kcontrol *kctl)
4481 {
4482 	switch (mixer->chip->usb_id) {
4483 	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
4484 		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
4485 			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
4486 		break;
4487 	}
4488 
4489 	/* lowest playback value is muted on some devices */
4490 	if (mixer->chip->quirk_flags & QUIRK_FLAG_MIXER_MIN_MUTE)
4491 		if (strstr(kctl->id.name, "Playback"))
4492 			cval->min_mute = 1;
4493 
4494 	/* ALSA-ify some Plantronics headset control names */
4495 	if (USB_ID_VENDOR(mixer->chip->usb_id) == 0x047f &&
4496 	    (cval->control == UAC_FU_MUTE || cval->control == UAC_FU_VOLUME))
4497 		snd_fix_plt_name(mixer->chip, &kctl->id);
4498 }
4499 
4500