1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Tascam US-16x08 ALSA driver |
4 | * |
5 | * Copyright (c) 2016 by Detlef Urban (onkel@paraair.de) |
6 | */ |
7 | |
8 | #include <linux/slab.h> |
9 | #include <linux/usb.h> |
10 | #include <linux/usb/audio-v2.h> |
11 | |
12 | #include <sound/core.h> |
13 | #include <sound/control.h> |
14 | |
15 | #include "usbaudio.h" |
16 | #include "mixer.h" |
17 | #include "helper.h" |
18 | |
19 | #include "mixer_us16x08.h" |
20 | |
21 | /* USB control message templates */ |
22 | static const char route_msg[] = { |
23 | 0x61, |
24 | 0x02, |
25 | 0x03, /* input from master (0x02) or input from computer bus (0x03) */ |
26 | 0x62, |
27 | 0x02, |
28 | 0x01, /* input index (0x01/0x02 eq. left/right) or bus (0x01-0x08) */ |
29 | 0x41, |
30 | 0x01, |
31 | 0x61, |
32 | 0x02, |
33 | 0x01, |
34 | 0x62, |
35 | 0x02, |
36 | 0x01, /* output index (0x01-0x08) */ |
37 | 0x42, |
38 | 0x01, |
39 | 0x43, |
40 | 0x01, |
41 | 0x00, |
42 | 0x00 |
43 | }; |
44 | |
45 | static const char mix_init_msg1[] = { |
46 | 0x71, 0x01, 0x00, 0x00 |
47 | }; |
48 | |
49 | static const char mix_init_msg2[] = { |
50 | 0x62, 0x02, 0x00, 0x61, 0x02, 0x04, 0xb1, 0x01, 0x00, 0x00 |
51 | }; |
52 | |
53 | static const char mix_msg_in[] = { |
54 | /* default message head, equal to all mixers */ |
55 | 0x61, 0x02, 0x04, 0x62, 0x02, 0x01, |
56 | 0x81, /* 0x06: Controller ID */ |
57 | 0x02, /* 0x07: */ |
58 | 0x00, /* 0x08: Value of common mixer */ |
59 | 0x00, |
60 | 0x00 |
61 | }; |
62 | |
63 | static const char mix_msg_out[] = { |
64 | /* default message head, equal to all mixers */ |
65 | 0x61, 0x02, 0x02, 0x62, 0x02, 0x01, |
66 | 0x81, /* 0x06: Controller ID */ |
67 | 0x02, /* 0x07: */ |
68 | 0x00, /* 0x08: Value of common mixer */ |
69 | 0x00, |
70 | 0x00 |
71 | }; |
72 | |
73 | static const char bypass_msg_out[] = { |
74 | 0x45, |
75 | 0x02, |
76 | 0x01, /* on/off flag */ |
77 | 0x00, |
78 | 0x00 |
79 | }; |
80 | |
81 | static const char bus_msg_out[] = { |
82 | 0x44, |
83 | 0x02, |
84 | 0x01, /* on/off flag */ |
85 | 0x00, |
86 | 0x00 |
87 | }; |
88 | |
89 | static const char comp_msg[] = { |
90 | /* default message head, equal to all mixers */ |
91 | 0x61, 0x02, 0x04, 0x62, 0x02, 0x01, |
92 | 0x91, |
93 | 0x02, |
94 | 0xf0, /* 0x08: Threshold db (8) (e0 ... 00) (+-0dB -- -32dB) x-32 */ |
95 | 0x92, |
96 | 0x02, |
97 | 0x0a, /* 0x0b: Ratio (0a,0b,0d,0f,11,14,19,1e,23,28,32,3c,50,a0,ff) */ |
98 | 0x93, |
99 | 0x02, |
100 | 0x02, /* 0x0e: Attack (0x02 ... 0xc0) (2ms ... 200ms) */ |
101 | 0x94, |
102 | 0x02, |
103 | 0x01, /* 0x11: Release (0x01 ... 0x64) (10ms ... 1000ms) x*10 */ |
104 | 0x95, |
105 | 0x02, |
106 | 0x03, /* 0x14: gain (0 ... 20) (0dB .. 20dB) */ |
107 | 0x96, |
108 | 0x02, |
109 | 0x01, |
110 | 0x97, |
111 | 0x02, |
112 | 0x01, /* 0x1a: main Comp switch (0 ... 1) (off ... on)) */ |
113 | 0x00, |
114 | 0x00 |
115 | }; |
116 | |
117 | static const char eqs_msq[] = { |
118 | /* default message head, equal to all mixers */ |
119 | 0x61, 0x02, 0x04, 0x62, 0x02, 0x01, |
120 | 0x51, /* 0x06: Controller ID */ |
121 | 0x02, |
122 | 0x04, /* 0x08: EQ set num (0x01..0x04) (LOW, LOWMID, HIGHMID, HIGH)) */ |
123 | 0x52, |
124 | 0x02, |
125 | 0x0c, /* 0x0b: value dB (0 ... 12) (-12db .. +12db) x-6 */ |
126 | 0x53, |
127 | 0x02, |
128 | 0x0f, /* 0x0e: value freq (32-47) (1.7kHz..18kHz) */ |
129 | 0x54, |
130 | 0x02, |
131 | 0x02, /* 0x11: band width (0-6) (Q16-Q0.25) 2^x/4 (EQ xxMID only) */ |
132 | 0x55, |
133 | 0x02, |
134 | 0x01, /* 0x14: main EQ switch (0 ... 1) (off ... on)) */ |
135 | 0x00, |
136 | 0x00 |
137 | }; |
138 | |
139 | /* compressor ratio map */ |
140 | static const char ratio_map[] = { |
141 | 0x0a, 0x0b, 0x0d, 0x0f, 0x11, 0x14, 0x19, 0x1e, |
142 | 0x23, 0x28, 0x32, 0x3c, 0x50, 0xa0, 0xff |
143 | }; |
144 | |
145 | /* route enumeration names */ |
146 | static const char *const route_names[] = { |
147 | "Master Left" , "Master Right" , "Output 1" , "Output 2" , "Output 3" , |
148 | "Output 4" , "Output 5" , "Output 6" , "Output 7" , "Output 8" , |
149 | }; |
150 | |
151 | static int snd_us16x08_recv_urb(struct snd_usb_audio *chip, |
152 | unsigned char *buf, int size) |
153 | { |
154 | |
155 | mutex_lock(&chip->mutex); |
156 | snd_usb_ctl_msg(dev: chip->dev, |
157 | usb_rcvctrlpipe(chip->dev, 0), |
158 | SND_US16X08_URB_METER_REQUEST, |
159 | SND_US16X08_URB_METER_REQUESTTYPE, value: 0, index: 0, data: buf, size); |
160 | mutex_unlock(lock: &chip->mutex); |
161 | return 0; |
162 | } |
163 | |
164 | /* wrapper function to send prepared URB buffer to usb device. Return an error |
165 | * code if something went wrong |
166 | */ |
167 | static int snd_us16x08_send_urb(struct snd_usb_audio *chip, char *buf, int size) |
168 | { |
169 | return snd_usb_ctl_msg(dev: chip->dev, usb_sndctrlpipe(chip->dev, 0), |
170 | SND_US16X08_URB_REQUEST, SND_US16X08_URB_REQUESTTYPE, |
171 | value: 0, index: 0, data: buf, size); |
172 | } |
173 | |
174 | static int snd_us16x08_route_info(struct snd_kcontrol *kcontrol, |
175 | struct snd_ctl_elem_info *uinfo) |
176 | { |
177 | return snd_ctl_enum_info(info: uinfo, channels: 1, items: 10, names: route_names); |
178 | } |
179 | |
180 | static int snd_us16x08_route_get(struct snd_kcontrol *kcontrol, |
181 | struct snd_ctl_elem_value *ucontrol) |
182 | { |
183 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
184 | int index = ucontrol->id.index; |
185 | |
186 | /* route has no bias */ |
187 | ucontrol->value.enumerated.item[0] = elem->cache_val[index]; |
188 | |
189 | return 0; |
190 | } |
191 | |
192 | static int snd_us16x08_route_put(struct snd_kcontrol *kcontrol, |
193 | struct snd_ctl_elem_value *ucontrol) |
194 | { |
195 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
196 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
197 | int index = ucontrol->id.index; |
198 | char buf[sizeof(route_msg)]; |
199 | int val, val_org, err; |
200 | |
201 | /* get the new value (no bias for routes) */ |
202 | val = ucontrol->value.enumerated.item[0]; |
203 | |
204 | /* sanity check */ |
205 | if (val < 0 || val > 9) |
206 | return -EINVAL; |
207 | |
208 | /* prepare the message buffer from template */ |
209 | memcpy(buf, route_msg, sizeof(route_msg)); |
210 | |
211 | if (val < 2) { |
212 | /* input comes from a master channel */ |
213 | val_org = val; |
214 | buf[2] = 0x02; |
215 | } else { |
216 | /* input comes from a computer channel */ |
217 | buf[2] = 0x03; |
218 | val_org = val - 2; |
219 | } |
220 | |
221 | /* place new route selection in URB message */ |
222 | buf[5] = (unsigned char) (val_org & 0x0f) + 1; |
223 | /* place route selector in URB message */ |
224 | buf[13] = index + 1; |
225 | |
226 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(route_msg)); |
227 | |
228 | if (err > 0) { |
229 | elem->cached |= 1 << index; |
230 | elem->cache_val[index] = val; |
231 | } else { |
232 | usb_audio_dbg(chip, "Failed to set routing, err:%d\n" , err); |
233 | } |
234 | |
235 | return err > 0 ? 1 : 0; |
236 | } |
237 | |
238 | static int snd_us16x08_master_info(struct snd_kcontrol *kcontrol, |
239 | struct snd_ctl_elem_info *uinfo) |
240 | { |
241 | uinfo->count = 1; |
242 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
243 | uinfo->value.integer.max = SND_US16X08_KCMAX(kcontrol); |
244 | uinfo->value.integer.min = SND_US16X08_KCMIN(kcontrol); |
245 | uinfo->value.integer.step = SND_US16X08_KCSTEP(kcontrol); |
246 | return 0; |
247 | } |
248 | |
249 | static int snd_us16x08_master_get(struct snd_kcontrol *kcontrol, |
250 | struct snd_ctl_elem_value *ucontrol) |
251 | { |
252 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
253 | int index = ucontrol->id.index; |
254 | |
255 | ucontrol->value.integer.value[0] = elem->cache_val[index]; |
256 | |
257 | return 0; |
258 | } |
259 | |
260 | static int snd_us16x08_master_put(struct snd_kcontrol *kcontrol, |
261 | struct snd_ctl_elem_value *ucontrol) |
262 | { |
263 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
264 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
265 | char buf[sizeof(mix_msg_out)]; |
266 | int val, err; |
267 | int index = ucontrol->id.index; |
268 | |
269 | /* new control value incl. bias*/ |
270 | val = ucontrol->value.integer.value[0]; |
271 | |
272 | /* sanity check */ |
273 | if (val < SND_US16X08_KCMIN(kcontrol) |
274 | || val > SND_US16X08_KCMAX(kcontrol)) |
275 | return -EINVAL; |
276 | |
277 | /* prepare the message buffer from template */ |
278 | memcpy(buf, mix_msg_out, sizeof(mix_msg_out)); |
279 | |
280 | buf[8] = val - SND_US16X08_KCBIAS(kcontrol); |
281 | buf[6] = elem->head.id; |
282 | |
283 | /* place channel selector in URB message */ |
284 | buf[5] = index + 1; |
285 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(mix_msg_out)); |
286 | |
287 | if (err > 0) { |
288 | elem->cached |= 1 << index; |
289 | elem->cache_val[index] = val; |
290 | } else { |
291 | usb_audio_dbg(chip, "Failed to set master, err:%d\n" , err); |
292 | } |
293 | |
294 | return err > 0 ? 1 : 0; |
295 | } |
296 | |
297 | static int snd_us16x08_bus_put(struct snd_kcontrol *kcontrol, |
298 | struct snd_ctl_elem_value *ucontrol) |
299 | { |
300 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
301 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
302 | char buf[sizeof(mix_msg_out)]; |
303 | int val, err = 0; |
304 | |
305 | val = ucontrol->value.integer.value[0]; |
306 | |
307 | /* prepare the message buffer from template */ |
308 | switch (elem->head.id) { |
309 | case SND_US16X08_ID_BYPASS: |
310 | memcpy(buf, bypass_msg_out, sizeof(bypass_msg_out)); |
311 | buf[2] = val; |
312 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(bypass_msg_out)); |
313 | break; |
314 | case SND_US16X08_ID_BUSS_OUT: |
315 | memcpy(buf, bus_msg_out, sizeof(bus_msg_out)); |
316 | buf[2] = val; |
317 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(bus_msg_out)); |
318 | break; |
319 | case SND_US16X08_ID_MUTE: |
320 | memcpy(buf, mix_msg_out, sizeof(mix_msg_out)); |
321 | buf[8] = val; |
322 | buf[6] = elem->head.id; |
323 | buf[5] = 1; |
324 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(mix_msg_out)); |
325 | break; |
326 | } |
327 | |
328 | if (err > 0) { |
329 | elem->cached |= 1; |
330 | elem->cache_val[0] = val; |
331 | } else { |
332 | usb_audio_dbg(chip, "Failed to set bus parameter, err:%d\n" , err); |
333 | } |
334 | |
335 | return err > 0 ? 1 : 0; |
336 | } |
337 | |
338 | static int snd_us16x08_bus_get(struct snd_kcontrol *kcontrol, |
339 | struct snd_ctl_elem_value *ucontrol) |
340 | { |
341 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
342 | |
343 | switch (elem->head.id) { |
344 | case SND_US16X08_ID_BUSS_OUT: |
345 | ucontrol->value.integer.value[0] = elem->cache_val[0]; |
346 | break; |
347 | case SND_US16X08_ID_BYPASS: |
348 | ucontrol->value.integer.value[0] = elem->cache_val[0]; |
349 | break; |
350 | case SND_US16X08_ID_MUTE: |
351 | ucontrol->value.integer.value[0] = elem->cache_val[0]; |
352 | break; |
353 | } |
354 | |
355 | return 0; |
356 | } |
357 | |
358 | /* gets a current mixer value from common store */ |
359 | static int snd_us16x08_channel_get(struct snd_kcontrol *kcontrol, |
360 | struct snd_ctl_elem_value *ucontrol) |
361 | { |
362 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
363 | int index = ucontrol->id.index; |
364 | |
365 | ucontrol->value.integer.value[0] = elem->cache_val[index]; |
366 | |
367 | return 0; |
368 | } |
369 | |
370 | static int snd_us16x08_channel_put(struct snd_kcontrol *kcontrol, |
371 | struct snd_ctl_elem_value *ucontrol) |
372 | { |
373 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
374 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
375 | char buf[sizeof(mix_msg_in)]; |
376 | int val, err; |
377 | int index = ucontrol->id.index; |
378 | |
379 | val = ucontrol->value.integer.value[0]; |
380 | |
381 | /* sanity check */ |
382 | if (val < SND_US16X08_KCMIN(kcontrol) |
383 | || val > SND_US16X08_KCMAX(kcontrol)) |
384 | return -EINVAL; |
385 | |
386 | /* prepare URB message from template */ |
387 | memcpy(buf, mix_msg_in, sizeof(mix_msg_in)); |
388 | |
389 | /* add the bias to the new value */ |
390 | buf[8] = val - SND_US16X08_KCBIAS(kcontrol); |
391 | buf[6] = elem->head.id; |
392 | buf[5] = index + 1; |
393 | |
394 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(mix_msg_in)); |
395 | |
396 | if (err > 0) { |
397 | elem->cached |= 1 << index; |
398 | elem->cache_val[index] = val; |
399 | } else { |
400 | usb_audio_dbg(chip, "Failed to set channel, err:%d\n" , err); |
401 | } |
402 | |
403 | return err > 0 ? 1 : 0; |
404 | } |
405 | |
406 | static int snd_us16x08_mix_info(struct snd_kcontrol *kcontrol, |
407 | struct snd_ctl_elem_info *uinfo) |
408 | { |
409 | uinfo->count = 1; |
410 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
411 | uinfo->value.integer.max = SND_US16X08_KCMAX(kcontrol); |
412 | uinfo->value.integer.min = SND_US16X08_KCMIN(kcontrol); |
413 | uinfo->value.integer.step = SND_US16X08_KCSTEP(kcontrol); |
414 | return 0; |
415 | } |
416 | |
417 | static int snd_us16x08_comp_get(struct snd_kcontrol *kcontrol, |
418 | struct snd_ctl_elem_value *ucontrol) |
419 | { |
420 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
421 | struct snd_us16x08_comp_store *store = elem->private_data; |
422 | int index = ucontrol->id.index; |
423 | int val_idx = COMP_STORE_IDX(elem->head.id); |
424 | |
425 | ucontrol->value.integer.value[0] = store->val[val_idx][index]; |
426 | |
427 | return 0; |
428 | } |
429 | |
430 | static int snd_us16x08_comp_put(struct snd_kcontrol *kcontrol, |
431 | struct snd_ctl_elem_value *ucontrol) |
432 | { |
433 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
434 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
435 | struct snd_us16x08_comp_store *store = elem->private_data; |
436 | int index = ucontrol->id.index; |
437 | char buf[sizeof(comp_msg)]; |
438 | int val_idx, val; |
439 | int err; |
440 | |
441 | val = ucontrol->value.integer.value[0]; |
442 | |
443 | /* sanity check */ |
444 | if (val < SND_US16X08_KCMIN(kcontrol) |
445 | || val > SND_US16X08_KCMAX(kcontrol)) |
446 | return -EINVAL; |
447 | |
448 | /* new control value incl. bias*/ |
449 | val_idx = elem->head.id - SND_US16X08_ID_COMP_BASE; |
450 | |
451 | store->val[val_idx][index] = ucontrol->value.integer.value[0]; |
452 | |
453 | /* prepare compressor URB message from template */ |
454 | memcpy(buf, comp_msg, sizeof(comp_msg)); |
455 | |
456 | /* place comp values in message buffer watch bias! */ |
457 | buf[8] = store->val[ |
458 | COMP_STORE_IDX(SND_US16X08_ID_COMP_THRESHOLD)][index] |
459 | - SND_US16X08_COMP_THRESHOLD_BIAS; |
460 | buf[11] = ratio_map[store->val[ |
461 | COMP_STORE_IDX(SND_US16X08_ID_COMP_RATIO)][index]]; |
462 | buf[14] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_ATTACK)][index] |
463 | + SND_US16X08_COMP_ATTACK_BIAS; |
464 | buf[17] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_RELEASE)][index] |
465 | + SND_US16X08_COMP_RELEASE_BIAS; |
466 | buf[20] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_GAIN)][index]; |
467 | buf[26] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)][index]; |
468 | |
469 | /* place channel selector in message buffer */ |
470 | buf[5] = index + 1; |
471 | |
472 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(comp_msg)); |
473 | |
474 | if (err > 0) { |
475 | elem->cached |= 1 << index; |
476 | elem->cache_val[index] = val; |
477 | } else { |
478 | usb_audio_dbg(chip, "Failed to set compressor, err:%d\n" , err); |
479 | } |
480 | |
481 | return 1; |
482 | } |
483 | |
484 | static int snd_us16x08_eqswitch_get(struct snd_kcontrol *kcontrol, |
485 | struct snd_ctl_elem_value *ucontrol) |
486 | { |
487 | int val; |
488 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
489 | struct snd_us16x08_eq_store *store = elem->private_data; |
490 | int index = ucontrol->id.index; |
491 | |
492 | /* get low switch from cache is enough, cause all bands are together */ |
493 | val = store->val[EQ_STORE_BAND_IDX(elem->head.id)] |
494 | [EQ_STORE_PARAM_IDX(elem->head.id)][index]; |
495 | ucontrol->value.integer.value[0] = val; |
496 | |
497 | return 0; |
498 | } |
499 | |
500 | static int snd_us16x08_eqswitch_put(struct snd_kcontrol *kcontrol, |
501 | struct snd_ctl_elem_value *ucontrol) |
502 | { |
503 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
504 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
505 | struct snd_us16x08_eq_store *store = elem->private_data; |
506 | int index = ucontrol->id.index; |
507 | char buf[sizeof(eqs_msq)]; |
508 | int val, err = 0; |
509 | int b_idx; |
510 | |
511 | /* new control value incl. bias*/ |
512 | val = ucontrol->value.integer.value[0] + SND_US16X08_KCBIAS(kcontrol); |
513 | |
514 | /* prepare URB message from EQ template */ |
515 | memcpy(buf, eqs_msq, sizeof(eqs_msq)); |
516 | |
517 | /* place channel index in URB message */ |
518 | buf[5] = index + 1; |
519 | for (b_idx = 0; b_idx < SND_US16X08_ID_EQ_BAND_COUNT; b_idx++) { |
520 | /* all four EQ bands have to be enabled/disabled in once */ |
521 | buf[20] = val; |
522 | buf[17] = store->val[b_idx][2][index]; |
523 | buf[14] = store->val[b_idx][1][index]; |
524 | buf[11] = store->val[b_idx][0][index]; |
525 | buf[8] = b_idx + 1; |
526 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(eqs_msq)); |
527 | if (err < 0) |
528 | break; |
529 | store->val[b_idx][3][index] = val; |
530 | msleep(msecs: 15); |
531 | } |
532 | |
533 | if (err > 0) { |
534 | elem->cached |= 1 << index; |
535 | elem->cache_val[index] = val; |
536 | } else { |
537 | usb_audio_dbg(chip, "Failed to set eq switch, err:%d\n" , err); |
538 | } |
539 | |
540 | return 1; |
541 | } |
542 | |
543 | static int snd_us16x08_eq_get(struct snd_kcontrol *kcontrol, |
544 | struct snd_ctl_elem_value *ucontrol) |
545 | { |
546 | int val; |
547 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
548 | struct snd_us16x08_eq_store *store = elem->private_data; |
549 | int index = ucontrol->id.index; |
550 | int b_idx = EQ_STORE_BAND_IDX(elem->head.id) - 1; |
551 | int p_idx = EQ_STORE_PARAM_IDX(elem->head.id); |
552 | |
553 | val = store->val[b_idx][p_idx][index]; |
554 | |
555 | ucontrol->value.integer.value[0] = val; |
556 | |
557 | return 0; |
558 | } |
559 | |
560 | static int snd_us16x08_eq_put(struct snd_kcontrol *kcontrol, |
561 | struct snd_ctl_elem_value *ucontrol) |
562 | { |
563 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
564 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
565 | struct snd_us16x08_eq_store *store = elem->private_data; |
566 | int index = ucontrol->id.index; |
567 | char buf[sizeof(eqs_msq)]; |
568 | int val, err; |
569 | int b_idx = EQ_STORE_BAND_IDX(elem->head.id) - 1; |
570 | int p_idx = EQ_STORE_PARAM_IDX(elem->head.id); |
571 | |
572 | val = ucontrol->value.integer.value[0]; |
573 | |
574 | /* sanity check */ |
575 | if (val < SND_US16X08_KCMIN(kcontrol) |
576 | || val > SND_US16X08_KCMAX(kcontrol)) |
577 | return -EINVAL; |
578 | |
579 | /* copy URB buffer from EQ template */ |
580 | memcpy(buf, eqs_msq, sizeof(eqs_msq)); |
581 | |
582 | store->val[b_idx][p_idx][index] = val; |
583 | buf[20] = store->val[b_idx][3][index]; |
584 | buf[17] = store->val[b_idx][2][index]; |
585 | buf[14] = store->val[b_idx][1][index]; |
586 | buf[11] = store->val[b_idx][0][index]; |
587 | |
588 | /* place channel index in URB buffer */ |
589 | buf[5] = index + 1; |
590 | |
591 | /* place EQ band in URB buffer */ |
592 | buf[8] = b_idx + 1; |
593 | |
594 | err = snd_us16x08_send_urb(chip, buf, size: sizeof(eqs_msq)); |
595 | |
596 | if (err > 0) { |
597 | /* store new value in EQ band cache */ |
598 | elem->cached |= 1 << index; |
599 | elem->cache_val[index] = val; |
600 | } else { |
601 | usb_audio_dbg(chip, "Failed to set eq param, err:%d\n" , err); |
602 | } |
603 | |
604 | return 1; |
605 | } |
606 | |
607 | static int snd_us16x08_meter_info(struct snd_kcontrol *kcontrol, |
608 | struct snd_ctl_elem_info *uinfo) |
609 | { |
610 | uinfo->count = 34; |
611 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
612 | uinfo->value.integer.max = 0x7FFF; |
613 | uinfo->value.integer.min = 0; |
614 | |
615 | return 0; |
616 | } |
617 | |
618 | /* calculate compressor index for reduction level request */ |
619 | static int snd_get_meter_comp_index(struct snd_us16x08_meter_store *store) |
620 | { |
621 | int ret; |
622 | |
623 | /* any channel active */ |
624 | if (store->comp_active_index) { |
625 | /* check for stereo link */ |
626 | if (store->comp_active_index & 0x20) { |
627 | /* reset comp_index to left channel*/ |
628 | if (store->comp_index - |
629 | store->comp_active_index > 1) |
630 | store->comp_index = |
631 | store->comp_active_index; |
632 | |
633 | ret = store->comp_index++ & 0x1F; |
634 | } else { |
635 | /* no stereo link */ |
636 | ret = store->comp_active_index; |
637 | } |
638 | } else { |
639 | /* skip channels with no compressor active */ |
640 | while (store->comp_index <= SND_US16X08_MAX_CHANNELS |
641 | && !store->comp_store->val[ |
642 | COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)] |
643 | [store->comp_index - 1]) { |
644 | store->comp_index++; |
645 | } |
646 | ret = store->comp_index++; |
647 | if (store->comp_index > SND_US16X08_MAX_CHANNELS) |
648 | store->comp_index = 1; |
649 | } |
650 | return ret; |
651 | } |
652 | |
653 | /* retrieve the meter level values from URB message */ |
654 | static void get_meter_levels_from_urb(int s, |
655 | struct snd_us16x08_meter_store *store, |
656 | u8 *meter_urb) |
657 | { |
658 | int val = MUC2(meter_urb, s) + (MUC3(meter_urb, s) << 8); |
659 | |
660 | if (MUA0(meter_urb, s) == 0x61 && MUA1(meter_urb, s) == 0x02 && |
661 | MUA2(meter_urb, s) == 0x04 && MUB0(meter_urb, s) == 0x62) { |
662 | if (MUC0(meter_urb, s) == 0x72) |
663 | store->meter_level[MUB2(meter_urb, s) - 1] = val; |
664 | if (MUC0(meter_urb, s) == 0xb2) |
665 | store->comp_level[MUB2(meter_urb, s) - 1] = val; |
666 | } |
667 | if (MUA0(meter_urb, s) == 0x61 && MUA1(meter_urb, s) == 0x02 && |
668 | MUA2(meter_urb, s) == 0x02 && MUB0(meter_urb, s) == 0x62) |
669 | store->master_level[MUB2(meter_urb, s) - 1] = val; |
670 | } |
671 | |
672 | /* Function to retrieve current meter values from the device. |
673 | * |
674 | * The device needs to be polled for meter values with an initial |
675 | * requests. It will return with a sequence of different meter value |
676 | * packages. The first request (case 0:) initiate this meter response sequence. |
677 | * After the third response, an additional request can be placed, |
678 | * to retrieve compressor reduction level value for given channel. This round |
679 | * trip channel selector will skip all inactive compressors. |
680 | * A mixer can interrupt this round-trip by selecting one ore two (stereo-link) |
681 | * specific channels. |
682 | */ |
683 | static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol, |
684 | struct snd_ctl_elem_value *ucontrol) |
685 | { |
686 | int i, set; |
687 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
688 | struct snd_usb_audio *chip = elem->head.mixer->chip; |
689 | struct snd_us16x08_meter_store *store = elem->private_data; |
690 | u8 meter_urb[64]; |
691 | |
692 | switch (kcontrol->private_value) { |
693 | case 0: { |
694 | char tmp[sizeof(mix_init_msg1)]; |
695 | |
696 | memcpy(tmp, mix_init_msg1, sizeof(mix_init_msg1)); |
697 | snd_us16x08_send_urb(chip, buf: tmp, size: 4); |
698 | snd_us16x08_recv_urb(chip, buf: meter_urb, |
699 | size: sizeof(meter_urb)); |
700 | kcontrol->private_value++; |
701 | break; |
702 | } |
703 | case 1: |
704 | snd_us16x08_recv_urb(chip, buf: meter_urb, |
705 | size: sizeof(meter_urb)); |
706 | kcontrol->private_value++; |
707 | break; |
708 | case 2: |
709 | snd_us16x08_recv_urb(chip, buf: meter_urb, |
710 | size: sizeof(meter_urb)); |
711 | kcontrol->private_value++; |
712 | break; |
713 | case 3: { |
714 | char tmp[sizeof(mix_init_msg2)]; |
715 | |
716 | memcpy(tmp, mix_init_msg2, sizeof(mix_init_msg2)); |
717 | tmp[2] = snd_get_meter_comp_index(store); |
718 | snd_us16x08_send_urb(chip, buf: tmp, size: 10); |
719 | snd_us16x08_recv_urb(chip, buf: meter_urb, |
720 | size: sizeof(meter_urb)); |
721 | kcontrol->private_value = 0; |
722 | break; |
723 | } |
724 | } |
725 | |
726 | for (set = 0; set < 6; set++) |
727 | get_meter_levels_from_urb(s: set, store, meter_urb); |
728 | |
729 | for (i = 0; i < SND_US16X08_MAX_CHANNELS; i++) { |
730 | ucontrol->value.integer.value[i] = |
731 | store ? store->meter_level[i] : 0; |
732 | } |
733 | |
734 | ucontrol->value.integer.value[i++] = store ? store->master_level[0] : 0; |
735 | ucontrol->value.integer.value[i++] = store ? store->master_level[1] : 0; |
736 | |
737 | for (i = 2; i < SND_US16X08_MAX_CHANNELS + 2; i++) |
738 | ucontrol->value.integer.value[i + SND_US16X08_MAX_CHANNELS] = |
739 | store ? store->comp_level[i - 2] : 0; |
740 | |
741 | return 1; |
742 | } |
743 | |
744 | static int snd_us16x08_meter_put(struct snd_kcontrol *kcontrol, |
745 | struct snd_ctl_elem_value *ucontrol) |
746 | { |
747 | struct usb_mixer_elem_info *elem = kcontrol->private_data; |
748 | struct snd_us16x08_meter_store *store = elem->private_data; |
749 | int val; |
750 | |
751 | val = ucontrol->value.integer.value[0]; |
752 | |
753 | /* sanity check */ |
754 | if (val < 0 || val >= SND_US16X08_MAX_CHANNELS) |
755 | return -EINVAL; |
756 | |
757 | store->comp_active_index = val; |
758 | store->comp_index = val; |
759 | |
760 | return 1; |
761 | } |
762 | |
763 | static const struct snd_kcontrol_new snd_us16x08_ch_boolean_ctl = { |
764 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
765 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
766 | .count = 16, |
767 | .info = snd_us16x08_switch_info, |
768 | .get = snd_us16x08_channel_get, |
769 | .put = snd_us16x08_channel_put, |
770 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) |
771 | }; |
772 | |
773 | static const struct snd_kcontrol_new snd_us16x08_ch_int_ctl = { |
774 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
775 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
776 | .count = 16, |
777 | .info = snd_us16x08_mix_info, |
778 | .get = snd_us16x08_channel_get, |
779 | .put = snd_us16x08_channel_put, |
780 | .private_value = SND_US16X08_KCSET(SND_US16X08_FADER_BIAS, 1, 0, 133) |
781 | }; |
782 | |
783 | static const struct snd_kcontrol_new snd_us16x08_pan_int_ctl = { |
784 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
785 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
786 | .count = 16, |
787 | .info = snd_us16x08_mix_info, |
788 | .get = snd_us16x08_channel_get, |
789 | .put = snd_us16x08_channel_put, |
790 | .private_value = SND_US16X08_KCSET(SND_US16X08_FADER_BIAS, 1, 0, 255) |
791 | }; |
792 | |
793 | static const struct snd_kcontrol_new snd_us16x08_master_ctl = { |
794 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
795 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
796 | .count = 1, |
797 | .info = snd_us16x08_master_info, |
798 | .get = snd_us16x08_master_get, |
799 | .put = snd_us16x08_master_put, |
800 | .private_value = SND_US16X08_KCSET(SND_US16X08_FADER_BIAS, 1, 0, 133) |
801 | }; |
802 | |
803 | static const struct snd_kcontrol_new snd_us16x08_route_ctl = { |
804 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
805 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
806 | .count = 8, |
807 | .info = snd_us16x08_route_info, |
808 | .get = snd_us16x08_route_get, |
809 | .put = snd_us16x08_route_put, |
810 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 9) |
811 | }; |
812 | |
813 | static const struct snd_kcontrol_new snd_us16x08_bus_ctl = { |
814 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
815 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
816 | .count = 1, |
817 | .info = snd_us16x08_switch_info, |
818 | .get = snd_us16x08_bus_get, |
819 | .put = snd_us16x08_bus_put, |
820 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) |
821 | }; |
822 | |
823 | static const struct snd_kcontrol_new snd_us16x08_compswitch_ctl = { |
824 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
825 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
826 | .count = 16, |
827 | .info = snd_us16x08_switch_info, |
828 | .get = snd_us16x08_comp_get, |
829 | .put = snd_us16x08_comp_put, |
830 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) |
831 | }; |
832 | |
833 | static const struct snd_kcontrol_new snd_us16x08_comp_threshold_ctl = { |
834 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
835 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
836 | .count = 16, |
837 | .info = snd_us16x08_mix_info, |
838 | .get = snd_us16x08_comp_get, |
839 | .put = snd_us16x08_comp_put, |
840 | .private_value = SND_US16X08_KCSET(SND_US16X08_COMP_THRESHOLD_BIAS, 1, |
841 | 0, 0x20) |
842 | }; |
843 | |
844 | static const struct snd_kcontrol_new snd_us16x08_comp_ratio_ctl = { |
845 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
846 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
847 | .count = 16, |
848 | .info = snd_us16x08_mix_info, |
849 | .get = snd_us16x08_comp_get, |
850 | .put = snd_us16x08_comp_put, |
851 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, |
852 | sizeof(ratio_map) - 1), /*max*/ |
853 | }; |
854 | |
855 | static const struct snd_kcontrol_new snd_us16x08_comp_gain_ctl = { |
856 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
857 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
858 | .count = 16, |
859 | .info = snd_us16x08_mix_info, |
860 | .get = snd_us16x08_comp_get, |
861 | .put = snd_us16x08_comp_put, |
862 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x14) |
863 | }; |
864 | |
865 | static const struct snd_kcontrol_new snd_us16x08_comp_attack_ctl = { |
866 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
867 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
868 | .count = 16, |
869 | .info = snd_us16x08_mix_info, |
870 | .get = snd_us16x08_comp_get, |
871 | .put = snd_us16x08_comp_put, |
872 | .private_value = |
873 | SND_US16X08_KCSET(SND_US16X08_COMP_ATTACK_BIAS, 1, 0, 0xc6), |
874 | }; |
875 | |
876 | static const struct snd_kcontrol_new snd_us16x08_comp_release_ctl = { |
877 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
878 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
879 | .count = 16, |
880 | .info = snd_us16x08_mix_info, |
881 | .get = snd_us16x08_comp_get, |
882 | .put = snd_us16x08_comp_put, |
883 | .private_value = |
884 | SND_US16X08_KCSET(SND_US16X08_COMP_RELEASE_BIAS, 1, 0, 0x63), |
885 | }; |
886 | |
887 | static const struct snd_kcontrol_new snd_us16x08_eq_gain_ctl = { |
888 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
889 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
890 | .count = 16, |
891 | .info = snd_us16x08_mix_info, |
892 | .get = snd_us16x08_eq_get, |
893 | .put = snd_us16x08_eq_put, |
894 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 24), |
895 | }; |
896 | |
897 | static const struct snd_kcontrol_new snd_us16x08_eq_low_freq_ctl = { |
898 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
899 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
900 | .count = 16, |
901 | .info = snd_us16x08_mix_info, |
902 | .get = snd_us16x08_eq_get, |
903 | .put = snd_us16x08_eq_put, |
904 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x1F), |
905 | }; |
906 | |
907 | static const struct snd_kcontrol_new snd_us16x08_eq_mid_freq_ctl = { |
908 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
909 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
910 | .count = 16, |
911 | .info = snd_us16x08_mix_info, |
912 | .get = snd_us16x08_eq_get, |
913 | .put = snd_us16x08_eq_put, |
914 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x3F) |
915 | }; |
916 | |
917 | static const struct snd_kcontrol_new snd_us16x08_eq_mid_width_ctl = { |
918 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
919 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
920 | .count = 16, |
921 | .info = snd_us16x08_mix_info, |
922 | .get = snd_us16x08_eq_get, |
923 | .put = snd_us16x08_eq_put, |
924 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x06) |
925 | }; |
926 | |
927 | static const struct snd_kcontrol_new snd_us16x08_eq_high_freq_ctl = { |
928 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
929 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
930 | .count = 16, |
931 | .info = snd_us16x08_mix_info, |
932 | .get = snd_us16x08_eq_get, |
933 | .put = snd_us16x08_eq_put, |
934 | .private_value = |
935 | SND_US16X08_KCSET(SND_US16X08_EQ_HIGHFREQ_BIAS, 1, 0, 0x1F) |
936 | }; |
937 | |
938 | static const struct snd_kcontrol_new snd_us16x08_eq_switch_ctl = { |
939 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
940 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
941 | .count = 16, |
942 | .info = snd_us16x08_switch_info, |
943 | .get = snd_us16x08_eqswitch_get, |
944 | .put = snd_us16x08_eqswitch_put, |
945 | .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) |
946 | }; |
947 | |
948 | static const struct snd_kcontrol_new snd_us16x08_meter_ctl = { |
949 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
950 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
951 | .count = 1, |
952 | .info = snd_us16x08_meter_info, |
953 | .get = snd_us16x08_meter_get, |
954 | .put = snd_us16x08_meter_put |
955 | }; |
956 | |
957 | /* control store preparation */ |
958 | |
959 | /* setup compressor store and assign default value */ |
960 | static struct snd_us16x08_comp_store *snd_us16x08_create_comp_store(void) |
961 | { |
962 | int i; |
963 | struct snd_us16x08_comp_store *tmp; |
964 | |
965 | tmp = kmalloc(size: sizeof(*tmp), GFP_KERNEL); |
966 | if (!tmp) |
967 | return NULL; |
968 | |
969 | for (i = 0; i < SND_US16X08_MAX_CHANNELS; i++) { |
970 | tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_THRESHOLD)][i] |
971 | = 0x20; |
972 | tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_RATIO)][i] = 0x00; |
973 | tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_GAIN)][i] = 0x00; |
974 | tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)][i] = 0x00; |
975 | tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_ATTACK)][i] = 0x00; |
976 | tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_RELEASE)][i] = 0x00; |
977 | } |
978 | return tmp; |
979 | } |
980 | |
981 | /* setup EQ store and assign default values */ |
982 | static struct snd_us16x08_eq_store *snd_us16x08_create_eq_store(void) |
983 | { |
984 | int i, b_idx; |
985 | struct snd_us16x08_eq_store *tmp; |
986 | |
987 | tmp = kmalloc(size: sizeof(*tmp), GFP_KERNEL); |
988 | if (!tmp) |
989 | return NULL; |
990 | |
991 | for (i = 0; i < SND_US16X08_MAX_CHANNELS; i++) { |
992 | for (b_idx = 0; b_idx < SND_US16X08_ID_EQ_BAND_COUNT; b_idx++) { |
993 | tmp->val[b_idx][0][i] = 0x0c; |
994 | tmp->val[b_idx][3][i] = 0x00; |
995 | switch (b_idx) { |
996 | case 0: /* EQ Low */ |
997 | tmp->val[b_idx][1][i] = 0x05; |
998 | tmp->val[b_idx][2][i] = 0xff; |
999 | break; |
1000 | case 1: /* EQ Mid low */ |
1001 | tmp->val[b_idx][1][i] = 0x0e; |
1002 | tmp->val[b_idx][2][i] = 0x02; |
1003 | break; |
1004 | case 2: /* EQ Mid High */ |
1005 | tmp->val[b_idx][1][i] = 0x1b; |
1006 | tmp->val[b_idx][2][i] = 0x02; |
1007 | break; |
1008 | case 3: /* EQ High */ |
1009 | tmp->val[b_idx][1][i] = 0x2f |
1010 | - SND_US16X08_EQ_HIGHFREQ_BIAS; |
1011 | tmp->val[b_idx][2][i] = 0xff; |
1012 | break; |
1013 | } |
1014 | } |
1015 | } |
1016 | return tmp; |
1017 | } |
1018 | |
1019 | static struct snd_us16x08_meter_store *snd_us16x08_create_meter_store(void) |
1020 | { |
1021 | struct snd_us16x08_meter_store *tmp; |
1022 | |
1023 | tmp = kzalloc(size: sizeof(*tmp), GFP_KERNEL); |
1024 | if (!tmp) |
1025 | return NULL; |
1026 | tmp->comp_index = 1; |
1027 | tmp->comp_active_index = 0; |
1028 | return tmp; |
1029 | } |
1030 | |
1031 | /* release elem->private_free as well; called only once for each *_store */ |
1032 | static void elem_private_free(struct snd_kcontrol *kctl) |
1033 | { |
1034 | struct usb_mixer_elem_info *elem = kctl->private_data; |
1035 | |
1036 | if (elem) |
1037 | kfree(objp: elem->private_data); |
1038 | kfree(objp: elem); |
1039 | kctl->private_data = NULL; |
1040 | } |
1041 | |
1042 | static int add_new_ctl(struct usb_mixer_interface *mixer, |
1043 | const struct snd_kcontrol_new *ncontrol, |
1044 | int index, int val_type, int channels, |
1045 | const char *name, void *opt, |
1046 | bool do_private_free, |
1047 | struct usb_mixer_elem_info **elem_ret) |
1048 | { |
1049 | struct snd_kcontrol *kctl; |
1050 | struct usb_mixer_elem_info *elem; |
1051 | int err; |
1052 | |
1053 | usb_audio_dbg(mixer->chip, "us16x08 add mixer %s\n" , name); |
1054 | |
1055 | elem = kzalloc(size: sizeof(*elem), GFP_KERNEL); |
1056 | if (!elem) |
1057 | return -ENOMEM; |
1058 | |
1059 | elem->head.mixer = mixer; |
1060 | elem->head.resume = NULL; |
1061 | elem->control = 0; |
1062 | elem->idx_off = 0; |
1063 | elem->head.id = index; |
1064 | elem->val_type = val_type; |
1065 | elem->channels = channels; |
1066 | elem->private_data = opt; |
1067 | |
1068 | kctl = snd_ctl_new1(kcontrolnew: ncontrol, private_data: elem); |
1069 | if (!kctl) { |
1070 | kfree(objp: elem); |
1071 | return -ENOMEM; |
1072 | } |
1073 | |
1074 | if (do_private_free) |
1075 | kctl->private_free = elem_private_free; |
1076 | else |
1077 | kctl->private_free = snd_usb_mixer_elem_free; |
1078 | |
1079 | strscpy(p: kctl->id.name, q: name, size: sizeof(kctl->id.name)); |
1080 | |
1081 | err = snd_usb_mixer_add_control(&elem->head, kctl); |
1082 | if (err < 0) |
1083 | return err; |
1084 | |
1085 | if (elem_ret) |
1086 | *elem_ret = elem; |
1087 | |
1088 | return 0; |
1089 | } |
1090 | |
1091 | /* table of EQ controls */ |
1092 | static const struct snd_us16x08_control_params eq_controls[] = { |
1093 | { /* EQ switch */ |
1094 | .kcontrol_new = &snd_us16x08_eq_switch_ctl, |
1095 | .control_id = SND_US16X08_ID_EQENABLE, |
1096 | .type = USB_MIXER_BOOLEAN, |
1097 | .num_channels = 16, |
1098 | .name = "EQ Switch" , |
1099 | }, |
1100 | { /* EQ low gain */ |
1101 | .kcontrol_new = &snd_us16x08_eq_gain_ctl, |
1102 | .control_id = SND_US16X08_ID_EQLOWLEVEL, |
1103 | .type = USB_MIXER_U8, |
1104 | .num_channels = 16, |
1105 | .name = "EQ Low Volume" , |
1106 | }, |
1107 | { /* EQ low freq */ |
1108 | .kcontrol_new = &snd_us16x08_eq_low_freq_ctl, |
1109 | .control_id = SND_US16X08_ID_EQLOWFREQ, |
1110 | .type = USB_MIXER_U8, |
1111 | .num_channels = 16, |
1112 | .name = "EQ Low Frequency" , |
1113 | }, |
1114 | { /* EQ mid low gain */ |
1115 | .kcontrol_new = &snd_us16x08_eq_gain_ctl, |
1116 | .control_id = SND_US16X08_ID_EQLOWMIDLEVEL, |
1117 | .type = USB_MIXER_U8, |
1118 | .num_channels = 16, |
1119 | .name = "EQ MidLow Volume" , |
1120 | }, |
1121 | { /* EQ mid low freq */ |
1122 | .kcontrol_new = &snd_us16x08_eq_mid_freq_ctl, |
1123 | .control_id = SND_US16X08_ID_EQLOWMIDFREQ, |
1124 | .type = USB_MIXER_U8, |
1125 | .num_channels = 16, |
1126 | .name = "EQ MidLow Frequency" , |
1127 | }, |
1128 | { /* EQ mid low Q */ |
1129 | .kcontrol_new = &snd_us16x08_eq_mid_width_ctl, |
1130 | .control_id = SND_US16X08_ID_EQLOWMIDWIDTH, |
1131 | .type = USB_MIXER_U8, |
1132 | .num_channels = 16, |
1133 | .name = "EQ MidLow Q" , |
1134 | }, |
1135 | { /* EQ mid high gain */ |
1136 | .kcontrol_new = &snd_us16x08_eq_gain_ctl, |
1137 | .control_id = SND_US16X08_ID_EQHIGHMIDLEVEL, |
1138 | .type = USB_MIXER_U8, |
1139 | .num_channels = 16, |
1140 | .name = "EQ MidHigh Volume" , |
1141 | }, |
1142 | { /* EQ mid high freq */ |
1143 | .kcontrol_new = &snd_us16x08_eq_mid_freq_ctl, |
1144 | .control_id = SND_US16X08_ID_EQHIGHMIDFREQ, |
1145 | .type = USB_MIXER_U8, |
1146 | .num_channels = 16, |
1147 | .name = "EQ MidHigh Frequency" , |
1148 | }, |
1149 | { /* EQ mid high Q */ |
1150 | .kcontrol_new = &snd_us16x08_eq_mid_width_ctl, |
1151 | .control_id = SND_US16X08_ID_EQHIGHMIDWIDTH, |
1152 | .type = USB_MIXER_U8, |
1153 | .num_channels = 16, |
1154 | .name = "EQ MidHigh Q" , |
1155 | }, |
1156 | { /* EQ high gain */ |
1157 | .kcontrol_new = &snd_us16x08_eq_gain_ctl, |
1158 | .control_id = SND_US16X08_ID_EQHIGHLEVEL, |
1159 | .type = USB_MIXER_U8, |
1160 | .num_channels = 16, |
1161 | .name = "EQ High Volume" , |
1162 | }, |
1163 | { /* EQ low freq */ |
1164 | .kcontrol_new = &snd_us16x08_eq_high_freq_ctl, |
1165 | .control_id = SND_US16X08_ID_EQHIGHFREQ, |
1166 | .type = USB_MIXER_U8, |
1167 | .num_channels = 16, |
1168 | .name = "EQ High Frequency" , |
1169 | }, |
1170 | }; |
1171 | |
1172 | /* table of compressor controls */ |
1173 | static const struct snd_us16x08_control_params comp_controls[] = { |
1174 | { /* Comp enable */ |
1175 | .kcontrol_new = &snd_us16x08_compswitch_ctl, |
1176 | .control_id = SND_US16X08_ID_COMP_SWITCH, |
1177 | .type = USB_MIXER_BOOLEAN, |
1178 | .num_channels = 16, |
1179 | .name = "Compressor Switch" , |
1180 | }, |
1181 | { /* Comp threshold */ |
1182 | .kcontrol_new = &snd_us16x08_comp_threshold_ctl, |
1183 | .control_id = SND_US16X08_ID_COMP_THRESHOLD, |
1184 | .type = USB_MIXER_U8, |
1185 | .num_channels = 16, |
1186 | .name = "Compressor Threshold Volume" , |
1187 | }, |
1188 | { /* Comp ratio */ |
1189 | .kcontrol_new = &snd_us16x08_comp_ratio_ctl, |
1190 | .control_id = SND_US16X08_ID_COMP_RATIO, |
1191 | .type = USB_MIXER_U8, |
1192 | .num_channels = 16, |
1193 | .name = "Compressor Ratio" , |
1194 | }, |
1195 | { /* Comp attack */ |
1196 | .kcontrol_new = &snd_us16x08_comp_attack_ctl, |
1197 | .control_id = SND_US16X08_ID_COMP_ATTACK, |
1198 | .type = USB_MIXER_U8, |
1199 | .num_channels = 16, |
1200 | .name = "Compressor Attack" , |
1201 | }, |
1202 | { /* Comp release */ |
1203 | .kcontrol_new = &snd_us16x08_comp_release_ctl, |
1204 | .control_id = SND_US16X08_ID_COMP_RELEASE, |
1205 | .type = USB_MIXER_U8, |
1206 | .num_channels = 16, |
1207 | .name = "Compressor Release" , |
1208 | }, |
1209 | { /* Comp gain */ |
1210 | .kcontrol_new = &snd_us16x08_comp_gain_ctl, |
1211 | .control_id = SND_US16X08_ID_COMP_GAIN, |
1212 | .type = USB_MIXER_U8, |
1213 | .num_channels = 16, |
1214 | .name = "Compressor Volume" , |
1215 | }, |
1216 | }; |
1217 | |
1218 | /* table of channel controls */ |
1219 | static const struct snd_us16x08_control_params channel_controls[] = { |
1220 | { /* Phase */ |
1221 | .kcontrol_new = &snd_us16x08_ch_boolean_ctl, |
1222 | .control_id = SND_US16X08_ID_PHASE, |
1223 | .type = USB_MIXER_BOOLEAN, |
1224 | .num_channels = 16, |
1225 | .name = "Phase Switch" , |
1226 | .default_val = 0 |
1227 | }, |
1228 | { /* Fader */ |
1229 | .kcontrol_new = &snd_us16x08_ch_int_ctl, |
1230 | .control_id = SND_US16X08_ID_FADER, |
1231 | .type = USB_MIXER_U8, |
1232 | .num_channels = 16, |
1233 | .name = "Line Volume" , |
1234 | .default_val = 127 |
1235 | }, |
1236 | { /* Mute */ |
1237 | .kcontrol_new = &snd_us16x08_ch_boolean_ctl, |
1238 | .control_id = SND_US16X08_ID_MUTE, |
1239 | .type = USB_MIXER_BOOLEAN, |
1240 | .num_channels = 16, |
1241 | .name = "Mute Switch" , |
1242 | .default_val = 0 |
1243 | }, |
1244 | { /* Pan */ |
1245 | .kcontrol_new = &snd_us16x08_pan_int_ctl, |
1246 | .control_id = SND_US16X08_ID_PAN, |
1247 | .type = USB_MIXER_U16, |
1248 | .num_channels = 16, |
1249 | .name = "Pan Left-Right Volume" , |
1250 | .default_val = 127 |
1251 | }, |
1252 | }; |
1253 | |
1254 | /* table of master controls */ |
1255 | static const struct snd_us16x08_control_params master_controls[] = { |
1256 | { /* Master */ |
1257 | .kcontrol_new = &snd_us16x08_master_ctl, |
1258 | .control_id = SND_US16X08_ID_FADER, |
1259 | .type = USB_MIXER_U8, |
1260 | .num_channels = 16, |
1261 | .name = "Master Volume" , |
1262 | .default_val = 127 |
1263 | }, |
1264 | { /* Bypass */ |
1265 | .kcontrol_new = &snd_us16x08_bus_ctl, |
1266 | .control_id = SND_US16X08_ID_BYPASS, |
1267 | .type = USB_MIXER_BOOLEAN, |
1268 | .num_channels = 16, |
1269 | .name = "DSP Bypass Switch" , |
1270 | .default_val = 0 |
1271 | }, |
1272 | { /* Buss out */ |
1273 | .kcontrol_new = &snd_us16x08_bus_ctl, |
1274 | .control_id = SND_US16X08_ID_BUSS_OUT, |
1275 | .type = USB_MIXER_BOOLEAN, |
1276 | .num_channels = 16, |
1277 | .name = "Buss Out Switch" , |
1278 | .default_val = 0 |
1279 | }, |
1280 | { /* Master mute */ |
1281 | .kcontrol_new = &snd_us16x08_bus_ctl, |
1282 | .control_id = SND_US16X08_ID_MUTE, |
1283 | .type = USB_MIXER_BOOLEAN, |
1284 | .num_channels = 16, |
1285 | .name = "Master Mute Switch" , |
1286 | .default_val = 0 |
1287 | }, |
1288 | |
1289 | }; |
1290 | |
1291 | int snd_us16x08_controls_create(struct usb_mixer_interface *mixer) |
1292 | { |
1293 | int i, j; |
1294 | int err; |
1295 | struct usb_mixer_elem_info *elem; |
1296 | struct snd_us16x08_comp_store *comp_store; |
1297 | struct snd_us16x08_meter_store *meter_store; |
1298 | struct snd_us16x08_eq_store *eq_store; |
1299 | |
1300 | /* just check for non-MIDI interface */ |
1301 | if (mixer->hostif->desc.bInterfaceNumber == 3) { |
1302 | |
1303 | /* add routing control */ |
1304 | err = add_new_ctl(mixer, ncontrol: &snd_us16x08_route_ctl, |
1305 | SND_US16X08_ID_ROUTE, val_type: USB_MIXER_U8, channels: 8, name: "Line Out Route" , |
1306 | NULL, do_private_free: false, elem_ret: &elem); |
1307 | if (err < 0) { |
1308 | usb_audio_dbg(mixer->chip, |
1309 | "Failed to create route control, err:%d\n" , |
1310 | err); |
1311 | return err; |
1312 | } |
1313 | for (i = 0; i < 8; i++) |
1314 | elem->cache_val[i] = i < 2 ? i : i + 2; |
1315 | elem->cached = 0xff; |
1316 | |
1317 | /* create compressor mixer elements */ |
1318 | comp_store = snd_us16x08_create_comp_store(); |
1319 | if (!comp_store) |
1320 | return -ENOMEM; |
1321 | |
1322 | /* add master controls */ |
1323 | for (i = 0; i < ARRAY_SIZE(master_controls); i++) { |
1324 | |
1325 | err = add_new_ctl(mixer, |
1326 | ncontrol: master_controls[i].kcontrol_new, |
1327 | index: master_controls[i].control_id, |
1328 | val_type: master_controls[i].type, |
1329 | channels: master_controls[i].num_channels, |
1330 | name: master_controls[i].name, |
1331 | opt: comp_store, |
1332 | do_private_free: i == 0, /* release comp_store only once */ |
1333 | elem_ret: &elem); |
1334 | if (err < 0) |
1335 | return err; |
1336 | elem->cache_val[0] = master_controls[i].default_val; |
1337 | elem->cached = 1; |
1338 | } |
1339 | |
1340 | /* add channel controls */ |
1341 | for (i = 0; i < ARRAY_SIZE(channel_controls); i++) { |
1342 | |
1343 | err = add_new_ctl(mixer, |
1344 | ncontrol: channel_controls[i].kcontrol_new, |
1345 | index: channel_controls[i].control_id, |
1346 | val_type: channel_controls[i].type, |
1347 | channels: channel_controls[i].num_channels, |
1348 | name: channel_controls[i].name, |
1349 | opt: comp_store, |
1350 | do_private_free: false, elem_ret: &elem); |
1351 | if (err < 0) |
1352 | return err; |
1353 | for (j = 0; j < SND_US16X08_MAX_CHANNELS; j++) { |
1354 | elem->cache_val[j] = |
1355 | channel_controls[i].default_val; |
1356 | } |
1357 | elem->cached = 0xffff; |
1358 | } |
1359 | |
1360 | /* create eq store */ |
1361 | eq_store = snd_us16x08_create_eq_store(); |
1362 | if (!eq_store) |
1363 | return -ENOMEM; |
1364 | |
1365 | /* add EQ controls */ |
1366 | for (i = 0; i < ARRAY_SIZE(eq_controls); i++) { |
1367 | |
1368 | err = add_new_ctl(mixer, |
1369 | ncontrol: eq_controls[i].kcontrol_new, |
1370 | index: eq_controls[i].control_id, |
1371 | val_type: eq_controls[i].type, |
1372 | channels: eq_controls[i].num_channels, |
1373 | name: eq_controls[i].name, |
1374 | opt: eq_store, |
1375 | do_private_free: i == 0, /* release eq_store only once */ |
1376 | NULL); |
1377 | if (err < 0) |
1378 | return err; |
1379 | } |
1380 | |
1381 | /* add compressor controls */ |
1382 | for (i = 0; i < ARRAY_SIZE(comp_controls); i++) { |
1383 | |
1384 | err = add_new_ctl(mixer, |
1385 | ncontrol: comp_controls[i].kcontrol_new, |
1386 | index: comp_controls[i].control_id, |
1387 | val_type: comp_controls[i].type, |
1388 | channels: comp_controls[i].num_channels, |
1389 | name: comp_controls[i].name, |
1390 | opt: comp_store, |
1391 | do_private_free: false, NULL); |
1392 | if (err < 0) |
1393 | return err; |
1394 | } |
1395 | |
1396 | /* create meters store */ |
1397 | meter_store = snd_us16x08_create_meter_store(); |
1398 | if (!meter_store) |
1399 | return -ENOMEM; |
1400 | |
1401 | /* meter function 'get' must access to compressor store |
1402 | * so place a reference here |
1403 | */ |
1404 | meter_store->comp_store = comp_store; |
1405 | err = add_new_ctl(mixer, ncontrol: &snd_us16x08_meter_ctl, |
1406 | SND_US16X08_ID_METER, val_type: USB_MIXER_U16, channels: 0, name: "Level Meter" , |
1407 | opt: meter_store, do_private_free: true, NULL); |
1408 | if (err < 0) |
1409 | return err; |
1410 | } |
1411 | |
1412 | return 0; |
1413 | } |
1414 | |
1415 | |