Commit | Line | Data |
---|---|---|
1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * (Tentative) USB Audio Driver for ALSA | |
4 | * | |
5 | * Mixer control part | |
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) | |
1da177e4 LT |
12 | */ |
13 | ||
157a57b6 DM |
14 | /* |
15 | * TODOs, for both the mixer and the streaming interfaces: | |
16 | * | |
17 | * - support for UAC2 effect units | |
18 | * - support for graphical equalizers | |
19 | * - RANGE and MEM set commands (UAC2) | |
20 | * - RANGE and MEM interrupt dispatchers (UAC2) | |
21 | * - audio channel clustering (UAC2) | |
22 | * - audio sample rate converter units (UAC2) | |
23 | * - proper handling of clock multipliers (UAC2) | |
24 | * - dispatch clock change notifications (UAC2) | |
25 | * - stop PCM streams which use a clock that became invalid | |
26 | * - stop PCM streams which use a clock selector that has changed | |
27 | * - parse available sample rates again when clock sources changed | |
28 | */ | |
29 | ||
1da177e4 LT |
30 | #include <linux/bitops.h> |
31 | #include <linux/init.h> | |
32 | #include <linux/list.h> | |
cddaafb9 | 33 | #include <linux/log2.h> |
1da177e4 LT |
34 | #include <linux/slab.h> |
35 | #include <linux/string.h> | |
36 | #include <linux/usb.h> | |
28e1b773 | 37 | #include <linux/usb/audio.h> |
23caaf19 | 38 | #include <linux/usb/audio-v2.h> |
9a2fe9b8 | 39 | #include <linux/usb/audio-v3.h> |
28e1b773 | 40 | |
1da177e4 LT |
41 | #include <sound/core.h> |
42 | #include <sound/control.h> | |
b259b10c | 43 | #include <sound/hwdep.h> |
aafad562 | 44 | #include <sound/info.h> |
7bc5ba7e | 45 | #include <sound/tlv.h> |
1da177e4 LT |
46 | |
47 | #include "usbaudio.h" | |
f0b5e634 | 48 | #include "mixer.h" |
e5779998 | 49 | #include "helper.h" |
7b1eda22 | 50 | #include "mixer_quirks.h" |
88a8516a | 51 | #include "power.h" |
4d1a70da | 52 | |
ebfdeea3 JK |
53 | #define MAX_ID_ELEMS 256 |
54 | ||
1da177e4 LT |
55 | struct usb_audio_term { |
56 | int id; | |
57 | int type; | |
58 | int channels; | |
59 | unsigned int chconfig; | |
60 | int name; | |
61 | }; | |
62 | ||
63 | struct usbmix_name_map; | |
64 | ||
86e07d34 TI |
65 | struct mixer_build { |
66 | struct snd_usb_audio *chip; | |
84957a8a | 67 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
68 | unsigned char *buffer; |
69 | unsigned int buflen; | |
291186e0 | 70 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
19bce474 | 71 | DECLARE_BITMAP(termbitmap, MAX_ID_ELEMS); |
86e07d34 | 72 | struct usb_audio_term oterm; |
1da177e4 | 73 | const struct usbmix_name_map *map; |
8e062ec7 | 74 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
75 | }; |
76 | ||
1cdfa9f3 | 77 | /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ |
7d2b451e SK |
78 | enum { |
79 | USB_XU_CLOCK_RATE = 0xe301, | |
80 | USB_XU_CLOCK_SOURCE = 0xe302, | |
81 | USB_XU_DIGITAL_IO_STATUS = 0xe303, | |
82 | USB_XU_DEVICE_OPTIONS = 0xe304, | |
83 | USB_XU_DIRECT_MONITORING = 0xe305, | |
84 | USB_XU_METERING = 0xe306 | |
85 | }; | |
86 | enum { | |
87 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ | |
88 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ | |
89 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ | |
90 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ | |
91 | }; | |
1da177e4 LT |
92 | |
93 | /* | |
94 | * manual mapping of mixer names | |
95 | * if the mixer topology is too complicated and the parsed names are | |
96 | * ambiguous, add the entries in usbmixer_maps.c. | |
97 | */ | |
f0b5e634 | 98 | #include "mixer_maps.c" |
1da177e4 | 99 | |
c3a3e040 | 100 | static const struct usbmix_name_map * |
17156f23 | 101 | find_map(const struct usbmix_name_map *p, int unitid, int control) |
1da177e4 | 102 | { |
c3a3e040 JK |
103 | if (!p) |
104 | return NULL; | |
1da177e4 | 105 | |
17156f23 | 106 | for (; p->id; p++) { |
c3a3e040 JK |
107 | if (p->id == unitid && |
108 | (!control || !p->control || control == p->control)) | |
109 | return p; | |
1da177e4 | 110 | } |
c3a3e040 | 111 | return NULL; |
1da177e4 LT |
112 | } |
113 | ||
c3a3e040 JK |
114 | /* get the mapped name if the unit matches */ |
115 | static int | |
116 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) | |
1da177e4 | 117 | { |
e8afdfdc TI |
118 | int len; |
119 | ||
c3a3e040 JK |
120 | if (!p || !p->name) |
121 | return 0; | |
1da177e4 | 122 | |
c3a3e040 | 123 | buflen--; |
e8afdfdc TI |
124 | len = strscpy(buf, p->name, buflen); |
125 | return len < 0 ? buflen : len; | |
c3a3e040 JK |
126 | } |
127 | ||
5aeee342 TI |
128 | /* ignore the error value if ignore_ctl_error flag is set */ |
129 | #define filter_error(cval, err) \ | |
3360b84b | 130 | ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) |
5aeee342 | 131 | |
c3a3e040 JK |
132 | /* check whether the control should be ignored */ |
133 | static inline int | |
134 | check_ignored_ctl(const struct usbmix_name_map *p) | |
135 | { | |
136 | if (!p || p->name || p->dB) | |
1da177e4 | 137 | return 0; |
c3a3e040 JK |
138 | return 1; |
139 | } | |
140 | ||
141 | /* dB mapping */ | |
142 | static inline void check_mapped_dB(const struct usbmix_name_map *p, | |
143 | struct usb_mixer_elem_info *cval) | |
144 | { | |
145 | if (p && p->dB) { | |
146 | cval->dBmin = p->dB->min; | |
147 | cval->dBmax = p->dB->max; | |
85b741c1 | 148 | cval->min_mute = p->dB->min_mute; |
38b65190 | 149 | cval->initialized = 1; |
1da177e4 | 150 | } |
1da177e4 LT |
151 | } |
152 | ||
8e062ec7 | 153 | /* get the mapped selector source name */ |
86e07d34 | 154 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
155 | int index, char *buf, int buflen) |
156 | { | |
157 | const struct usbmix_selector_map *p; | |
e8afdfdc | 158 | int len; |
8e062ec7 | 159 | |
6bc170e4 | 160 | if (!state->selector_map) |
8e062ec7 CL |
161 | return 0; |
162 | for (p = state->selector_map; p->id; p++) { | |
e8afdfdc TI |
163 | if (p->id == unitid && index < p->count) { |
164 | len = strscpy(buf, p->names[index], buflen); | |
165 | return len < 0 ? buflen : len; | |
166 | } | |
8e062ec7 CL |
167 | } |
168 | return 0; | |
169 | } | |
170 | ||
1da177e4 LT |
171 | /* |
172 | * find an audio control unit with the given unit id | |
173 | */ | |
6bc170e4 DM |
174 | static void *find_audio_control_unit(struct mixer_build *state, |
175 | unsigned char unit) | |
1da177e4 | 176 | { |
67e1daa0 DM |
177 | /* we just parse the header */ |
178 | struct uac_feature_unit_descriptor *hdr = NULL; | |
179 | ||
180 | while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, | |
181 | USB_DT_CS_INTERFACE)) != NULL) { | |
182 | if (hdr->bLength >= 4 && | |
183 | hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && | |
9a2fe9b8 | 184 | hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && |
67e1daa0 DM |
185 | hdr->bUnitID == unit) |
186 | return hdr; | |
1da177e4 | 187 | } |
67e1daa0 | 188 | |
1da177e4 LT |
189 | return NULL; |
190 | } | |
191 | ||
1da177e4 LT |
192 | /* |
193 | * copy a string with the given id | |
194 | */ | |
eccfc1b8 | 195 | static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, |
6bc170e4 | 196 | int index, char *buf, int maxlen) |
1da177e4 | 197 | { |
eccfc1b8 | 198 | int len = usb_string(chip->dev, index, buf, maxlen - 1); |
251552a2 JK |
199 | |
200 | if (len < 0) | |
201 | return 0; | |
202 | ||
1da177e4 LT |
203 | buf[len] = 0; |
204 | return len; | |
205 | } | |
206 | ||
207 | /* | |
208 | * convert from the byte/word on usb descriptor to the zero-based integer | |
209 | */ | |
86e07d34 | 210 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
211 | { |
212 | switch (cval->val_type) { | |
213 | case USB_MIXER_BOOLEAN: | |
214 | return !!val; | |
215 | case USB_MIXER_INV_BOOLEAN: | |
216 | return !val; | |
217 | case USB_MIXER_U8: | |
218 | val &= 0xff; | |
219 | break; | |
220 | case USB_MIXER_S8: | |
221 | val &= 0xff; | |
222 | if (val >= 0x80) | |
223 | val -= 0x100; | |
224 | break; | |
225 | case USB_MIXER_U16: | |
226 | val &= 0xffff; | |
227 | break; | |
228 | case USB_MIXER_S16: | |
229 | val &= 0xffff; | |
230 | if (val >= 0x8000) | |
231 | val -= 0x10000; | |
232 | break; | |
233 | } | |
234 | return val; | |
235 | } | |
236 | ||
237 | /* | |
238 | * convert from the zero-based int to the byte/word for usb descriptor | |
239 | */ | |
86e07d34 | 240 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
241 | { |
242 | switch (cval->val_type) { | |
243 | case USB_MIXER_BOOLEAN: | |
244 | return !!val; | |
245 | case USB_MIXER_INV_BOOLEAN: | |
246 | return !val; | |
247 | case USB_MIXER_S8: | |
248 | case USB_MIXER_U8: | |
249 | return val & 0xff; | |
250 | case USB_MIXER_S16: | |
251 | case USB_MIXER_U16: | |
252 | return val & 0xffff; | |
253 | } | |
254 | return 0; /* not reached */ | |
255 | } | |
256 | ||
86e07d34 | 257 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 | 258 | { |
6bc170e4 | 259 | if (!cval->res) |
1da177e4 LT |
260 | cval->res = 1; |
261 | if (val < cval->min) | |
262 | return 0; | |
14790f1c | 263 | else if (val >= cval->max) |
e4d8aef2 | 264 | return DIV_ROUND_UP(cval->max - cval->min, cval->res); |
1da177e4 LT |
265 | else |
266 | return (val - cval->min) / cval->res; | |
267 | } | |
268 | ||
86e07d34 | 269 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
270 | { |
271 | if (val < 0) | |
272 | return cval->min; | |
6bc170e4 | 273 | if (!cval->res) |
1da177e4 LT |
274 | cval->res = 1; |
275 | val *= cval->res; | |
276 | val += cval->min; | |
277 | if (val > cval->max) | |
278 | return cval->max; | |
279 | return val; | |
280 | } | |
281 | ||
bc18e31c JS |
282 | static int uac2_ctl_value_size(int val_type) |
283 | { | |
284 | switch (val_type) { | |
285 | case USB_MIXER_S32: | |
286 | case USB_MIXER_U32: | |
287 | return 4; | |
288 | case USB_MIXER_S16: | |
289 | case USB_MIXER_U16: | |
290 | return 2; | |
291 | default: | |
292 | return 1; | |
293 | } | |
294 | return 0; /* unreachable */ | |
295 | } | |
296 | ||
1da177e4 LT |
297 | |
298 | /* | |
299 | * retrieve a mixer value | |
300 | */ | |
301 | ||
0aef31b7 CW |
302 | static inline int mixer_ctrl_intf(struct usb_mixer_interface *mixer) |
303 | { | |
304 | return get_iface_desc(mixer->hostif)->bInterfaceNumber; | |
305 | } | |
306 | ||
6bc170e4 DM |
307 | static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, |
308 | int validx, int *value_ret) | |
1da177e4 | 309 | { |
3360b84b | 310 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
1da177e4 LT |
311 | unsigned char buf[2]; |
312 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
313 | int timeout = 10; | |
978520b7 | 314 | int idx = 0, err; |
1da177e4 | 315 | |
47ab1545 | 316 | err = snd_usb_lock_shutdown(chip); |
88a8516a ON |
317 | if (err < 0) |
318 | return -EIO; | |
6bc170e4 | 319 | |
1da177e4 | 320 | while (timeout-- > 0) { |
0aef31b7 | 321 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
5a9a8eca SB |
322 | err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, |
323 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
324 | validx, idx, buf, val_len); | |
325 | if (err >= val_len) { | |
1da177e4 | 326 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
978520b7 TI |
327 | err = 0; |
328 | goto out; | |
5a9a8eca SB |
329 | } else if (err == -ETIMEDOUT) { |
330 | goto out; | |
1da177e4 LT |
331 | } |
332 | } | |
0ba41d91 TI |
333 | usb_audio_dbg(chip, |
334 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
335 | request, validx, idx, cval->val_type); | |
978520b7 TI |
336 | err = -EINVAL; |
337 | ||
338 | out: | |
47ab1545 | 339 | snd_usb_unlock_shutdown(chip); |
978520b7 | 340 | return err; |
1da177e4 LT |
341 | } |
342 | ||
6bc170e4 DM |
343 | static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, |
344 | int validx, int *value_ret) | |
23caaf19 | 345 | { |
3360b84b | 346 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
447cae58 KM |
347 | /* enough space for one range */ |
348 | unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; | |
23caaf19 | 349 | unsigned char *val; |
447cae58 | 350 | int idx = 0, ret, val_size, size; |
23caaf19 DM |
351 | __u8 bRequest; |
352 | ||
447cae58 KM |
353 | val_size = uac2_ctl_value_size(cval->val_type); |
354 | ||
e8bdb6bb DM |
355 | if (request == UAC_GET_CUR) { |
356 | bRequest = UAC2_CS_CUR; | |
447cae58 | 357 | size = val_size; |
e8bdb6bb DM |
358 | } else { |
359 | bRequest = UAC2_CS_RANGE; | |
447cae58 | 360 | size = sizeof(__u16) + 3 * val_size; |
e8bdb6bb DM |
361 | } |
362 | ||
363 | memset(buf, 0, sizeof(buf)); | |
23caaf19 | 364 | |
509975c7 TI |
365 | if (snd_usb_lock_shutdown(chip)) |
366 | return -EIO; | |
88a8516a | 367 | |
0aef31b7 | 368 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
47ab1545 | 369 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, |
23caaf19 | 370 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
978520b7 | 371 | validx, idx, buf, size); |
47ab1545 | 372 | snd_usb_unlock_shutdown(chip); |
23caaf19 DM |
373 | |
374 | if (ret < 0) { | |
ac9b019d | 375 | usb_audio_dbg(chip, |
0ba41d91 TI |
376 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
377 | request, validx, idx, cval->val_type); | |
23caaf19 DM |
378 | return ret; |
379 | } | |
380 | ||
e8bdb6bb DM |
381 | /* FIXME: how should we handle multiple triplets here? */ |
382 | ||
23caaf19 DM |
383 | switch (request) { |
384 | case UAC_GET_CUR: | |
385 | val = buf; | |
386 | break; | |
387 | case UAC_GET_MIN: | |
388 | val = buf + sizeof(__u16); | |
389 | break; | |
390 | case UAC_GET_MAX: | |
447cae58 | 391 | val = buf + sizeof(__u16) + val_size; |
23caaf19 DM |
392 | break; |
393 | case UAC_GET_RES: | |
447cae58 | 394 | val = buf + sizeof(__u16) + val_size * 2; |
23caaf19 DM |
395 | break; |
396 | default: | |
397 | return -EINVAL; | |
398 | } | |
399 | ||
447cae58 KM |
400 | *value_ret = convert_signed_value(cval, |
401 | snd_usb_combine_bytes(val, val_size)); | |
23caaf19 DM |
402 | |
403 | return 0; | |
404 | } | |
405 | ||
6bc170e4 DM |
406 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, |
407 | int validx, int *value_ret) | |
23caaf19 | 408 | { |
9f814105 EZ |
409 | validx += cval->idx_off; |
410 | ||
3360b84b | 411 | return (cval->head.mixer->protocol == UAC_VERSION_1) ? |
23caaf19 DM |
412 | get_ctl_value_v1(cval, request, validx, value_ret) : |
413 | get_ctl_value_v2(cval, request, validx, value_ret); | |
414 | } | |
415 | ||
6bc170e4 DM |
416 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, |
417 | int validx, int *value) | |
1da177e4 | 418 | { |
de48c7bc | 419 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
1da177e4 LT |
420 | } |
421 | ||
422 | /* channel = 0: master, 1 = first channel */ | |
641b4879 TI |
423 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
424 | int channel, int *value) | |
1da177e4 | 425 | { |
6bc170e4 DM |
426 | return get_ctl_value(cval, UAC_GET_CUR, |
427 | (cval->control << 8) | channel, | |
428 | value); | |
1da177e4 LT |
429 | } |
430 | ||
eef90451 | 431 | int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, |
641b4879 TI |
432 | int channel, int index, int *value) |
433 | { | |
434 | int err; | |
435 | ||
436 | if (cval->cached & (1 << channel)) { | |
437 | *value = cval->cache_val[index]; | |
438 | return 0; | |
439 | } | |
440 | err = get_cur_mix_raw(cval, channel, value); | |
441 | if (err < 0) { | |
3360b84b TI |
442 | if (!cval->head.mixer->ignore_ctl_error) |
443 | usb_audio_dbg(cval->head.mixer->chip, | |
0ba41d91 | 444 | "cannot get current value for control %d ch %d: err = %d\n", |
6bc170e4 | 445 | cval->control, channel, err); |
641b4879 TI |
446 | return err; |
447 | } | |
448 | cval->cached |= 1 << channel; | |
449 | cval->cache_val[index] = *value; | |
450 | return 0; | |
451 | } | |
452 | ||
1da177e4 LT |
453 | /* |
454 | * set a mixer value | |
455 | */ | |
456 | ||
7b1eda22 DM |
457 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, |
458 | int request, int validx, int value_set) | |
1da177e4 | 459 | { |
3360b84b | 460 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
bc18e31c | 461 | unsigned char buf[4]; |
978520b7 | 462 | int idx = 0, val_len, err, timeout = 10; |
23caaf19 | 463 | |
9f814105 EZ |
464 | validx += cval->idx_off; |
465 | ||
9a2fe9b8 | 466 | |
3360b84b | 467 | if (cval->head.mixer->protocol == UAC_VERSION_1) { |
23caaf19 | 468 | val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
9a2fe9b8 | 469 | } else { /* UAC_VERSION_2/3 */ |
bc18e31c | 470 | val_len = uac2_ctl_value_size(cval->val_type); |
23caaf19 DM |
471 | |
472 | /* FIXME */ | |
473 | if (request != UAC_SET_CUR) { | |
0ba41d91 | 474 | usb_audio_dbg(chip, "RANGE setting not yet supported\n"); |
23caaf19 DM |
475 | return -EINVAL; |
476 | } | |
477 | ||
478 | request = UAC2_CS_CUR; | |
479 | } | |
1da177e4 LT |
480 | |
481 | value_set = convert_bytes_value(cval, value_set); | |
482 | buf[0] = value_set & 0xff; | |
483 | buf[1] = (value_set >> 8) & 0xff; | |
bc18e31c JS |
484 | buf[2] = (value_set >> 16) & 0xff; |
485 | buf[3] = (value_set >> 24) & 0xff; | |
47ab1545 TI |
486 | |
487 | err = snd_usb_lock_shutdown(chip); | |
88a8516a ON |
488 | if (err < 0) |
489 | return -EIO; | |
47ab1545 | 490 | |
978520b7 | 491 | while (timeout-- > 0) { |
0aef31b7 | 492 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
5a9a8eca SB |
493 | err = snd_usb_ctl_msg(chip->dev, |
494 | usb_sndctrlpipe(chip->dev, 0), request, | |
495 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
496 | validx, idx, buf, val_len); | |
497 | if (err >= 0) { | |
978520b7 TI |
498 | err = 0; |
499 | goto out; | |
5a9a8eca SB |
500 | } else if (err == -ETIMEDOUT) { |
501 | goto out; | |
88a8516a | 502 | } |
978520b7 | 503 | } |
0ba41d91 | 504 | usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
6bc170e4 | 505 | request, validx, idx, cval->val_type, buf[0], buf[1]); |
978520b7 TI |
506 | err = -EINVAL; |
507 | ||
508 | out: | |
47ab1545 | 509 | snd_usb_unlock_shutdown(chip); |
978520b7 | 510 | return err; |
1da177e4 LT |
511 | } |
512 | ||
6bc170e4 DM |
513 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, |
514 | int validx, int value) | |
1da177e4 | 515 | { |
7b1eda22 | 516 | return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); |
1da177e4 LT |
517 | } |
518 | ||
eef90451 | 519 | int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
641b4879 | 520 | int index, int value) |
1da177e4 | 521 | { |
641b4879 | 522 | int err; |
a6a33259 DM |
523 | unsigned int read_only = (channel == 0) ? |
524 | cval->master_readonly : | |
525 | cval->ch_readonly & (1 << (channel - 1)); | |
526 | ||
527 | if (read_only) { | |
3360b84b | 528 | usb_audio_dbg(cval->head.mixer->chip, |
0ba41d91 | 529 | "%s(): channel %d of control %d is read_only\n", |
a6a33259 DM |
530 | __func__, channel, cval->control); |
531 | return 0; | |
532 | } | |
533 | ||
6bc170e4 DM |
534 | err = snd_usb_mixer_set_ctl_value(cval, |
535 | UAC_SET_CUR, (cval->control << 8) | channel, | |
536 | value); | |
641b4879 TI |
537 | if (err < 0) |
538 | return err; | |
539 | cval->cached |= 1 << channel; | |
540 | cval->cache_val[index] = value; | |
541 | return 0; | |
1da177e4 LT |
542 | } |
543 | ||
7bc5ba7e TI |
544 | /* |
545 | * TLV callback for mixer volume controls | |
546 | */ | |
285de9c0 | 547 | int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, |
7bc5ba7e TI |
548 | unsigned int size, unsigned int __user *_tlv) |
549 | { | |
550 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
b8e1c73f | 551 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
7bc5ba7e TI |
552 | |
553 | if (size < sizeof(scale)) | |
554 | return -ENOMEM; | |
0f174b35 TI |
555 | if (cval->min_mute) |
556 | scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; | |
c3a3e040 JK |
557 | scale[2] = cval->dBmin; |
558 | scale[3] = cval->dBmax; | |
7bc5ba7e TI |
559 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
560 | return -EFAULT; | |
561 | return 0; | |
562 | } | |
1da177e4 LT |
563 | |
564 | /* | |
565 | * parser routines begin here... | |
566 | */ | |
567 | ||
86e07d34 | 568 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
569 | |
570 | ||
571 | /* | |
572 | * check if the input/output channel routing is enabled on the given bitmap. | |
573 | * used for mixer unit parser | |
574 | */ | |
6bc170e4 DM |
575 | static int check_matrix_bitmap(unsigned char *bmap, |
576 | int ich, int och, int num_outs) | |
1da177e4 LT |
577 | { |
578 | int idx = ich * num_outs + och; | |
579 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
580 | } | |
581 | ||
1da177e4 LT |
582 | /* |
583 | * add an alsa control element | |
584 | * search and increment the index until an empty slot is found. | |
585 | * | |
586 | * if failed, give up and free the control instance. | |
587 | */ | |
588 | ||
220345e9 TI |
589 | int snd_usb_mixer_add_list(struct usb_mixer_elem_list *list, |
590 | struct snd_kcontrol *kctl, | |
591 | bool is_std_info) | |
1da177e4 | 592 | { |
3360b84b | 593 | struct usb_mixer_interface *mixer = list->mixer; |
1da177e4 | 594 | int err; |
84957a8a | 595 | |
ef9d5970 | 596 | while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) |
1da177e4 | 597 | kctl->id.index++; |
f25ecf8f TI |
598 | err = snd_ctl_add(mixer->chip->card, kctl); |
599 | if (err < 0) { | |
6bc170e4 DM |
600 | usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", |
601 | err); | |
6639b6c2 | 602 | return err; |
1da177e4 | 603 | } |
3360b84b | 604 | list->kctl = kctl; |
220345e9 | 605 | list->is_std_info = is_std_info; |
3360b84b TI |
606 | list->next_id_elem = mixer->id_elems[list->id]; |
607 | mixer->id_elems[list->id] = list; | |
6639b6c2 | 608 | return 0; |
1da177e4 LT |
609 | } |
610 | ||
1da177e4 LT |
611 | /* |
612 | * get a terminal name string | |
613 | */ | |
614 | ||
615 | static struct iterm_name_combo { | |
616 | int type; | |
617 | char *name; | |
618 | } iterm_names[] = { | |
619 | { 0x0300, "Output" }, | |
620 | { 0x0301, "Speaker" }, | |
621 | { 0x0302, "Headphone" }, | |
622 | { 0x0303, "HMD Audio" }, | |
623 | { 0x0304, "Desktop Speaker" }, | |
624 | { 0x0305, "Room Speaker" }, | |
625 | { 0x0306, "Com Speaker" }, | |
626 | { 0x0307, "LFE" }, | |
627 | { 0x0600, "External In" }, | |
628 | { 0x0601, "Analog In" }, | |
629 | { 0x0602, "Digital In" }, | |
630 | { 0x0603, "Line" }, | |
631 | { 0x0604, "Legacy In" }, | |
632 | { 0x0605, "IEC958 In" }, | |
633 | { 0x0606, "1394 DA Stream" }, | |
634 | { 0x0607, "1394 DV Stream" }, | |
635 | { 0x0700, "Embedded" }, | |
636 | { 0x0701, "Noise Source" }, | |
637 | { 0x0702, "Equalization Noise" }, | |
638 | { 0x0703, "CD" }, | |
639 | { 0x0704, "DAT" }, | |
640 | { 0x0705, "DCC" }, | |
641 | { 0x0706, "MiniDisk" }, | |
642 | { 0x0707, "Analog Tape" }, | |
643 | { 0x0708, "Phonograph" }, | |
644 | { 0x0709, "VCR Audio" }, | |
645 | { 0x070a, "Video Disk Audio" }, | |
646 | { 0x070b, "DVD Audio" }, | |
647 | { 0x070c, "TV Tuner Audio" }, | |
648 | { 0x070d, "Satellite Rec Audio" }, | |
649 | { 0x070e, "Cable Tuner Audio" }, | |
650 | { 0x070f, "DSS Audio" }, | |
651 | { 0x0710, "Radio Receiver" }, | |
652 | { 0x0711, "Radio Transmitter" }, | |
653 | { 0x0712, "Multi-Track Recorder" }, | |
654 | { 0x0713, "Synthesizer" }, | |
655 | { 0 }, | |
656 | }; | |
657 | ||
eccfc1b8 | 658 | static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, |
1da177e4 LT |
659 | unsigned char *name, int maxlen, int term_only) |
660 | { | |
661 | struct iterm_name_combo *names; | |
56a23ee5 | 662 | int len; |
1da177e4 | 663 | |
56a23ee5 | 664 | if (iterm->name) { |
eccfc1b8 | 665 | len = snd_usb_copy_string_desc(chip, iterm->name, |
6bc170e4 | 666 | name, maxlen); |
56a23ee5 TI |
667 | if (len) |
668 | return len; | |
669 | } | |
1da177e4 LT |
670 | |
671 | /* virtual type - not a real terminal */ | |
672 | if (iterm->type >> 16) { | |
673 | if (term_only) | |
674 | return 0; | |
675 | switch (iterm->type >> 16) { | |
8b3a087f | 676 | case UAC3_SELECTOR_UNIT: |
6bc170e4 DM |
677 | strcpy(name, "Selector"); |
678 | return 8; | |
8b3a087f | 679 | case UAC3_PROCESSING_UNIT: |
6bc170e4 DM |
680 | strcpy(name, "Process Unit"); |
681 | return 12; | |
8b3a087f | 682 | case UAC3_EXTENSION_UNIT: |
6bc170e4 DM |
683 | strcpy(name, "Ext Unit"); |
684 | return 8; | |
8b3a087f | 685 | case UAC3_MIXER_UNIT: |
6bc170e4 DM |
686 | strcpy(name, "Mixer"); |
687 | return 5; | |
1da177e4 LT |
688 | default: |
689 | return sprintf(name, "Unit %d", iterm->id); | |
690 | } | |
691 | } | |
692 | ||
693 | switch (iterm->type & 0xff00) { | |
694 | case 0x0100: | |
6bc170e4 DM |
695 | strcpy(name, "PCM"); |
696 | return 3; | |
1da177e4 | 697 | case 0x0200: |
6bc170e4 DM |
698 | strcpy(name, "Mic"); |
699 | return 3; | |
1da177e4 | 700 | case 0x0400: |
6bc170e4 DM |
701 | strcpy(name, "Headset"); |
702 | return 7; | |
1da177e4 | 703 | case 0x0500: |
6bc170e4 DM |
704 | strcpy(name, "Phone"); |
705 | return 5; | |
1da177e4 LT |
706 | } |
707 | ||
6bc170e4 | 708 | for (names = iterm_names; names->type; names++) { |
1da177e4 LT |
709 | if (names->type == iterm->type) { |
710 | strcpy(name, names->name); | |
711 | return strlen(names->name); | |
712 | } | |
6bc170e4 DM |
713 | } |
714 | ||
1da177e4 LT |
715 | return 0; |
716 | } | |
717 | ||
6cfd839a JS |
718 | /* |
719 | * Get logical cluster information for UAC3 devices. | |
720 | */ | |
721 | static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) | |
722 | { | |
723 | struct uac3_cluster_header_descriptor c_header; | |
724 | int err; | |
725 | ||
726 | err = snd_usb_ctl_msg(state->chip->dev, | |
727 | usb_rcvctrlpipe(state->chip->dev, 0), | |
728 | UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, | |
729 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
730 | cluster_id, | |
731 | snd_usb_ctrl_intf(state->chip), | |
732 | &c_header, sizeof(c_header)); | |
733 | if (err < 0) | |
734 | goto error; | |
735 | if (err != sizeof(c_header)) { | |
736 | err = -EIO; | |
737 | goto error; | |
738 | } | |
739 | ||
740 | return c_header.bNrChannels; | |
741 | ||
742 | error: | |
743 | usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); | |
744 | return err; | |
745 | } | |
746 | ||
747 | /* | |
748 | * Get number of channels for a Mixer Unit. | |
749 | */ | |
750 | static int uac_mixer_unit_get_channels(struct mixer_build *state, | |
751 | struct uac_mixer_unit_descriptor *desc) | |
752 | { | |
753 | int mu_channels; | |
6cfd839a JS |
754 | |
755 | switch (state->mixer->protocol) { | |
756 | case UAC_VERSION_1: | |
757 | case UAC_VERSION_2: | |
758 | default: | |
0bfe5e43 TI |
759 | if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) |
760 | return 0; /* no bmControls -> skip */ | |
6cfd839a JS |
761 | mu_channels = uac_mixer_unit_bNrChannels(desc); |
762 | break; | |
763 | case UAC_VERSION_3: | |
764 | mu_channels = get_cluster_channels_v3(state, | |
765 | uac3_mixer_unit_wClusterDescrID(desc)); | |
766 | break; | |
767 | } | |
768 | ||
6cfd839a JS |
769 | return mu_channels; |
770 | } | |
771 | ||
e0ccdef9 TI |
772 | /* |
773 | * Parse Input Terminal Unit | |
774 | */ | |
775 | static int __check_input_term(struct mixer_build *state, int id, | |
776 | struct usb_audio_term *term); | |
777 | ||
778 | static int parse_term_uac1_iterm_unit(struct mixer_build *state, | |
779 | struct usb_audio_term *term, | |
780 | void *p1, int id) | |
781 | { | |
782 | struct uac_input_terminal_descriptor *d = p1; | |
783 | ||
784 | term->type = le16_to_cpu(d->wTerminalType); | |
785 | term->channels = d->bNrChannels; | |
786 | term->chconfig = le16_to_cpu(d->wChannelConfig); | |
787 | term->name = d->iTerminal; | |
788 | return 0; | |
789 | } | |
790 | ||
791 | static int parse_term_uac2_iterm_unit(struct mixer_build *state, | |
792 | struct usb_audio_term *term, | |
793 | void *p1, int id) | |
794 | { | |
795 | struct uac2_input_terminal_descriptor *d = p1; | |
796 | int err; | |
797 | ||
798 | /* call recursively to verify the referenced clock entity */ | |
799 | err = __check_input_term(state, d->bCSourceID, term); | |
800 | if (err < 0) | |
801 | return err; | |
802 | ||
803 | /* save input term properties after recursion, | |
804 | * to ensure they are not overriden by the recursion calls | |
805 | */ | |
806 | term->id = id; | |
807 | term->type = le16_to_cpu(d->wTerminalType); | |
808 | term->channels = d->bNrChannels; | |
809 | term->chconfig = le32_to_cpu(d->bmChannelConfig); | |
810 | term->name = d->iTerminal; | |
811 | return 0; | |
812 | } | |
813 | ||
814 | static int parse_term_uac3_iterm_unit(struct mixer_build *state, | |
815 | struct usb_audio_term *term, | |
816 | void *p1, int id) | |
817 | { | |
818 | struct uac3_input_terminal_descriptor *d = p1; | |
819 | int err; | |
820 | ||
821 | /* call recursively to verify the referenced clock entity */ | |
822 | err = __check_input_term(state, d->bCSourceID, term); | |
823 | if (err < 0) | |
824 | return err; | |
825 | ||
826 | /* save input term properties after recursion, | |
827 | * to ensure they are not overriden by the recursion calls | |
828 | */ | |
829 | term->id = id; | |
830 | term->type = le16_to_cpu(d->wTerminalType); | |
831 | ||
832 | err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); | |
833 | if (err < 0) | |
834 | return err; | |
835 | term->channels = err; | |
836 | ||
837 | /* REVISIT: UAC3 IT doesn't have channels cfg */ | |
838 | term->chconfig = 0; | |
839 | ||
840 | term->name = le16_to_cpu(d->wTerminalDescrStr); | |
841 | return 0; | |
842 | } | |
843 | ||
844 | static int parse_term_mixer_unit(struct mixer_build *state, | |
845 | struct usb_audio_term *term, | |
846 | void *p1, int id) | |
847 | { | |
848 | struct uac_mixer_unit_descriptor *d = p1; | |
849 | int protocol = state->mixer->protocol; | |
850 | int err; | |
851 | ||
852 | err = uac_mixer_unit_get_channels(state, d); | |
853 | if (err <= 0) | |
854 | return err; | |
855 | ||
856 | term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ | |
857 | term->channels = err; | |
858 | if (protocol != UAC_VERSION_3) { | |
859 | term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); | |
860 | term->name = uac_mixer_unit_iMixer(d); | |
861 | } | |
862 | return 0; | |
863 | } | |
864 | ||
865 | static int parse_term_selector_unit(struct mixer_build *state, | |
866 | struct usb_audio_term *term, | |
867 | void *p1, int id) | |
868 | { | |
869 | struct uac_selector_unit_descriptor *d = p1; | |
870 | int err; | |
871 | ||
872 | /* call recursively to retrieve the channel info */ | |
873 | err = __check_input_term(state, d->baSourceID[0], term); | |
874 | if (err < 0) | |
875 | return err; | |
876 | term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ | |
877 | term->id = id; | |
878 | if (state->mixer->protocol != UAC_VERSION_3) | |
879 | term->name = uac_selector_unit_iSelector(d); | |
880 | return 0; | |
881 | } | |
882 | ||
883 | static int parse_term_proc_unit(struct mixer_build *state, | |
884 | struct usb_audio_term *term, | |
885 | void *p1, int id, int vtype) | |
886 | { | |
887 | struct uac_processing_unit_descriptor *d = p1; | |
888 | int protocol = state->mixer->protocol; | |
889 | int err; | |
890 | ||
891 | if (d->bNrInPins) { | |
892 | /* call recursively to retrieve the channel info */ | |
893 | err = __check_input_term(state, d->baSourceID[0], term); | |
894 | if (err < 0) | |
895 | return err; | |
896 | } | |
897 | ||
898 | term->type = vtype << 16; /* virtual type */ | |
899 | term->id = id; | |
900 | ||
901 | if (protocol == UAC_VERSION_3) | |
902 | return 0; | |
903 | ||
904 | if (!term->channels) { | |
905 | term->channels = uac_processing_unit_bNrChannels(d); | |
906 | term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); | |
907 | } | |
908 | term->name = uac_processing_unit_iProcessing(d, protocol); | |
909 | return 0; | |
910 | } | |
911 | ||
d75a170f TI |
912 | static int parse_term_effect_unit(struct mixer_build *state, |
913 | struct usb_audio_term *term, | |
914 | void *p1, int id) | |
915 | { | |
60081b35 TI |
916 | struct uac2_effect_unit_descriptor *d = p1; |
917 | int err; | |
918 | ||
919 | err = __check_input_term(state, d->bSourceID, term); | |
920 | if (err < 0) | |
921 | return err; | |
d75a170f TI |
922 | term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ |
923 | term->id = id; | |
924 | return 0; | |
925 | } | |
926 | ||
e0ccdef9 TI |
927 | static int parse_term_uac2_clock_source(struct mixer_build *state, |
928 | struct usb_audio_term *term, | |
929 | void *p1, int id) | |
930 | { | |
931 | struct uac_clock_source_descriptor *d = p1; | |
932 | ||
933 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ | |
934 | term->id = id; | |
935 | term->name = d->iClockSource; | |
936 | return 0; | |
937 | } | |
938 | ||
939 | static int parse_term_uac3_clock_source(struct mixer_build *state, | |
940 | struct usb_audio_term *term, | |
941 | void *p1, int id) | |
942 | { | |
943 | struct uac3_clock_source_descriptor *d = p1; | |
944 | ||
945 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ | |
946 | term->id = id; | |
947 | term->name = le16_to_cpu(d->wClockSourceStr); | |
948 | return 0; | |
949 | } | |
950 | ||
951 | #define PTYPE(a, b) ((a) << 8 | (b)) | |
952 | ||
1da177e4 LT |
953 | /* |
954 | * parse the source unit recursively until it reaches to a terminal | |
955 | * or a branched unit. | |
956 | */ | |
19bce474 | 957 | static int __check_input_term(struct mixer_build *state, int id, |
e0ccdef9 | 958 | struct usb_audio_term *term) |
1da177e4 | 959 | { |
9a2fe9b8 | 960 | int protocol = state->mixer->protocol; |
23caaf19 | 961 | void *p1; |
19bce474 | 962 | unsigned char *hdr; |
1da177e4 | 963 | |
19bce474 HP |
964 | for (;;) { |
965 | /* a loop in the terminal chain? */ | |
966 | if (test_and_set_bit(id, state->termbitmap)) | |
967 | return -EINVAL; | |
968 | ||
969 | p1 = find_audio_control_unit(state, id); | |
970 | if (!p1) | |
971 | break; | |
57f87706 TI |
972 | if (!snd_usb_validate_audio_desc(p1, protocol)) |
973 | break; /* bad descriptor */ | |
19bce474 HP |
974 | |
975 | hdr = p1; | |
1da177e4 | 976 | term->id = id; |
9a2fe9b8 | 977 | |
e0ccdef9 TI |
978 | switch (PTYPE(protocol, hdr[2])) { |
979 | case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): | |
980 | case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): | |
981 | case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): { | |
982 | /* the header is the same for all versions */ | |
983 | struct uac_feature_unit_descriptor *d = p1; | |
9a2fe9b8 | 984 | |
e0ccdef9 TI |
985 | id = d->bSourceID; |
986 | break; /* continue to parse */ | |
987 | } | |
988 | case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): | |
989 | return parse_term_uac1_iterm_unit(state, term, p1, id); | |
990 | case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): | |
991 | return parse_term_uac2_iterm_unit(state, term, p1, id); | |
992 | case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): | |
993 | return parse_term_uac3_iterm_unit(state, term, p1, id); | |
994 | case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): | |
995 | case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): | |
996 | case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): | |
997 | return parse_term_mixer_unit(state, term, p1, id); | |
998 | case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): | |
999 | case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): | |
1000 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): | |
1001 | case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): | |
1002 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): | |
1003 | return parse_term_selector_unit(state, term, p1, id); | |
1004 | case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): | |
1005 | case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): | |
1006 | case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): | |
1007 | return parse_term_proc_unit(state, term, p1, id, | |
1008 | UAC3_PROCESSING_UNIT); | |
1009 | case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): | |
1010 | case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): | |
d75a170f | 1011 | return parse_term_effect_unit(state, term, p1, id); |
e0ccdef9 TI |
1012 | case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): |
1013 | case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): | |
1014 | case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): | |
1015 | return parse_term_proc_unit(state, term, p1, id, | |
1016 | UAC3_EXTENSION_UNIT); | |
1017 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): | |
1018 | return parse_term_uac2_clock_source(state, term, p1, id); | |
1019 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): | |
1020 | return parse_term_uac3_clock_source(state, term, p1, id); | |
1021 | default: | |
1022 | return -ENODEV; | |
1da177e4 LT |
1023 | } |
1024 | } | |
1025 | return -ENODEV; | |
1026 | } | |
1027 | ||
19bce474 HP |
1028 | |
1029 | static int check_input_term(struct mixer_build *state, int id, | |
1030 | struct usb_audio_term *term) | |
1031 | { | |
1032 | memset(term, 0, sizeof(*term)); | |
1033 | memset(state->termbitmap, 0, sizeof(state->termbitmap)); | |
1034 | return __check_input_term(state, id, term); | |
1035 | } | |
1036 | ||
1da177e4 LT |
1037 | /* |
1038 | * Feature Unit | |
1039 | */ | |
1040 | ||
1041 | /* feature unit control information */ | |
1042 | struct usb_feature_control_info { | |
21e9b3e9 | 1043 | int control; |
1da177e4 | 1044 | const char *name; |
bc18e31c JS |
1045 | int type; /* data type for uac1 */ |
1046 | int type_uac2; /* data type for uac2 if different from uac1, else -1 */ | |
1da177e4 LT |
1047 | }; |
1048 | ||
a01df925 | 1049 | static const struct usb_feature_control_info audio_feature_info[] = { |
21e9b3e9 AC |
1050 | { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, |
1051 | { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, | |
1052 | { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, | |
1053 | { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, | |
1054 | { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, | |
1055 | { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ | |
1056 | { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, | |
1057 | { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, | |
1058 | { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, | |
1059 | { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, | |
2e0281d1 | 1060 | /* UAC2 specific */ |
21e9b3e9 AC |
1061 | { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, |
1062 | { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, | |
1063 | { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, | |
1da177e4 LT |
1064 | }; |
1065 | ||
52c3e317 TI |
1066 | static void usb_mixer_elem_info_free(struct usb_mixer_elem_info *cval) |
1067 | { | |
1068 | kfree(cval); | |
1069 | } | |
1070 | ||
1da177e4 | 1071 | /* private_free callback */ |
eef90451 | 1072 | void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 1073 | { |
52c3e317 | 1074 | usb_mixer_elem_info_free(kctl->private_data); |
4d572776 | 1075 | kctl->private_data = NULL; |
1da177e4 LT |
1076 | } |
1077 | ||
1da177e4 LT |
1078 | /* |
1079 | * interface to ALSA control for feature/mixer units | |
1080 | */ | |
1081 | ||
dcaaf9f2 TI |
1082 | /* volume control quirks */ |
1083 | static void volume_control_quirks(struct usb_mixer_elem_info *cval, | |
1084 | struct snd_kcontrol *kctl) | |
1085 | { | |
3360b84b | 1086 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
0ba41d91 | 1087 | switch (chip->usb_id) { |
d50ed624 | 1088 | case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ |
e9a25e04 | 1089 | case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ |
d50ed624 EZ |
1090 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
1091 | cval->min = 0x0000; | |
1092 | cval->max = 0xffff; | |
1093 | cval->res = 0x00e6; | |
1094 | break; | |
1095 | } | |
1096 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || | |
1097 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { | |
1098 | cval->min = 0x00; | |
1099 | cval->max = 0xff; | |
1100 | break; | |
1101 | } | |
1102 | if (strstr(kctl->id.name, "Effect Return") != NULL) { | |
1103 | cval->min = 0xb706; | |
1104 | cval->max = 0xff7b; | |
1105 | cval->res = 0x0073; | |
1106 | break; | |
1107 | } | |
1108 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || | |
1109 | (strstr(kctl->id.name, "Effect Send") != NULL)) { | |
1110 | cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ | |
1111 | cval->max = 0xfcfe; | |
1112 | cval->res = 0x0073; | |
1113 | } | |
1114 | break; | |
1115 | ||
d34bf148 FH |
1116 | case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ |
1117 | case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ | |
1118 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { | |
0ba41d91 TI |
1119 | usb_audio_info(chip, |
1120 | "set quirk for FTU Effect Duration\n"); | |
d34bf148 FH |
1121 | cval->min = 0x0000; |
1122 | cval->max = 0x7f00; | |
1123 | cval->res = 0x0100; | |
1124 | break; | |
1125 | } | |
1126 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || | |
1127 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { | |
0ba41d91 TI |
1128 | usb_audio_info(chip, |
1129 | "set quirks for FTU Effect Feedback/Volume\n"); | |
d34bf148 FH |
1130 | cval->min = 0x00; |
1131 | cval->max = 0x7f; | |
1132 | break; | |
1133 | } | |
1134 | break; | |
1135 | ||
21493316 FC |
1136 | case USB_ID(0x0d8c, 0x0103): |
1137 | if (!strcmp(kctl->id.name, "PCM Playback Volume")) { | |
1138 | usb_audio_info(chip, | |
1139 | "set volume quirk for CM102-A+/102S+\n"); | |
1140 | cval->min = -256; | |
1141 | } | |
1142 | break; | |
1143 | ||
dcaaf9f2 TI |
1144 | case USB_ID(0x0471, 0x0101): |
1145 | case USB_ID(0x0471, 0x0104): | |
1146 | case USB_ID(0x0471, 0x0105): | |
1147 | case USB_ID(0x0672, 0x1041): | |
1148 | /* quirk for UDA1321/N101. | |
1149 | * note that detection between firmware 2.1.1.7 (N101) | |
1150 | * and later 2.1.1.21 is not very clear from datasheets. | |
1151 | * I hope that the min value is -15360 for newer firmware --jk | |
1152 | */ | |
1153 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && | |
1154 | cval->min == -15616) { | |
0ba41d91 | 1155 | usb_audio_info(chip, |
dcaaf9f2 TI |
1156 | "set volume quirk for UDA1321/N101 chip\n"); |
1157 | cval->max = -256; | |
1158 | } | |
1159 | break; | |
1160 | ||
1161 | case USB_ID(0x046d, 0x09a4): | |
1162 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
0ba41d91 | 1163 | usb_audio_info(chip, |
dcaaf9f2 TI |
1164 | "set volume quirk for QuickCam E3500\n"); |
1165 | cval->min = 6080; | |
1166 | cval->max = 8768; | |
1167 | cval->res = 192; | |
1168 | } | |
1169 | break; | |
1170 | ||
e805ca8b | 1171 | case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ |
dcaaf9f2 TI |
1172 | case USB_ID(0x046d, 0x0808): |
1173 | case USB_ID(0x046d, 0x0809): | |
64559311 | 1174 | case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ |
36691e1b | 1175 | case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ |
55c0008b | 1176 | case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ |
11e7064f | 1177 | case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ |
140d37de | 1178 | case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ |
1ef9f058 | 1179 | case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ |
dcaaf9f2 | 1180 | case USB_ID(0x046d, 0x0991): |
82ffb6fc | 1181 | case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ |
dcaaf9f2 TI |
1182 | /* Most audio usb devices lie about volume resolution. |
1183 | * Most Logitech webcams have res = 384. | |
82ffb6fc | 1184 | * Probably there is some logitech magic behind this number --fishor |
dcaaf9f2 TI |
1185 | */ |
1186 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
0ba41d91 | 1187 | usb_audio_info(chip, |
dcaaf9f2 TI |
1188 | "set resolution quirk: cval->res = 384\n"); |
1189 | cval->res = 384; | |
1190 | } | |
1191 | break; | |
4020d1cc CC |
1192 | case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */ |
1193 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || | |
1194 | strstr(kctl->id.name, "Capture Volume") != NULL) { | |
1195 | cval->min >>= 8; | |
1196 | cval->max = 0; | |
1197 | cval->res = 1; | |
1198 | } | |
1199 | break; | |
29664923 MG |
1200 | case USB_ID(0x1224, 0x2a25): /* Jieli Technology USB PHY 2.0 */ |
1201 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
1202 | usb_audio_info(chip, | |
1203 | "set resolution quirk: cval->res = 16\n"); | |
1204 | cval->res = 16; | |
1205 | } | |
1206 | break; | |
4a63e68a CS |
1207 | case USB_ID(0x1bcf, 0x2283): /* NexiGo N930AF FHD Webcam */ |
1208 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
1209 | usb_audio_info(chip, | |
1210 | "set resolution quirk: cval->res = 16\n"); | |
1211 | cval->res = 16; | |
1212 | } | |
1213 | break; | |
dcaaf9f2 TI |
1214 | } |
1215 | } | |
1216 | ||
b96681bd TI |
1217 | /* forcibly initialize the current mixer value; if GET_CUR fails, set to |
1218 | * the minimum as default | |
1219 | */ | |
1220 | static void init_cur_mix_raw(struct usb_mixer_elem_info *cval, int ch, int idx) | |
1221 | { | |
1222 | int val, err; | |
1223 | ||
1224 | err = snd_usb_get_cur_mix_value(cval, ch, idx, &val); | |
1225 | if (!err) | |
1226 | return; | |
1227 | if (!cval->head.mixer->ignore_ctl_error) | |
1228 | usb_audio_warn(cval->head.mixer->chip, | |
1229 | "%d:%d: failed to get current value for ch %d (%d)\n", | |
1230 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), | |
1231 | ch, err); | |
1232 | snd_usb_set_cur_mix_value(cval, ch, idx, cval->min); | |
1233 | } | |
1234 | ||
1da177e4 LT |
1235 | /* |
1236 | * retrieve the minimum and maximum values for the specified control | |
1237 | */ | |
dcaaf9f2 TI |
1238 | static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, |
1239 | int default_min, struct snd_kcontrol *kctl) | |
1da177e4 | 1240 | { |
b96681bd TI |
1241 | int i, idx; |
1242 | ||
1da177e4 LT |
1243 | /* for failsafe */ |
1244 | cval->min = default_min; | |
1245 | cval->max = cval->min + 1; | |
1246 | cval->res = 1; | |
c3a3e040 | 1247 | cval->dBmin = cval->dBmax = 0; |
1da177e4 LT |
1248 | |
1249 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1250 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
1251 | cval->initialized = 1; | |
1252 | } else { | |
1253 | int minchn = 0; | |
1254 | if (cval->cmask) { | |
1da177e4 LT |
1255 | for (i = 0; i < MAX_CHANNELS; i++) |
1256 | if (cval->cmask & (1 << i)) { | |
1257 | minchn = i + 1; | |
1258 | break; | |
1259 | } | |
1260 | } | |
de48c7bc DM |
1261 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
1262 | get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
3360b84b | 1263 | usb_audio_err(cval->head.mixer->chip, |
0ba41d91 | 1264 | "%d:%d: cannot get min/max values for control %d (id %d)\n", |
0aef31b7 | 1265 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), |
3360b84b | 1266 | cval->control, cval->head.id); |
1da177e4 LT |
1267 | return -EINVAL; |
1268 | } | |
6bc170e4 DM |
1269 | if (get_ctl_value(cval, UAC_GET_RES, |
1270 | (cval->control << 8) | minchn, | |
1271 | &cval->res) < 0) { | |
1da177e4 | 1272 | cval->res = 1; |
85db1cfb | 1273 | } else if (cval->head.mixer->protocol == UAC_VERSION_1) { |
1da177e4 LT |
1274 | int last_valid_res = cval->res; |
1275 | ||
1276 | while (cval->res > 1) { | |
7b1eda22 | 1277 | if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, |
6bc170e4 DM |
1278 | (cval->control << 8) | minchn, |
1279 | cval->res / 2) < 0) | |
1da177e4 LT |
1280 | break; |
1281 | cval->res /= 2; | |
1282 | } | |
6bc170e4 DM |
1283 | if (get_ctl_value(cval, UAC_GET_RES, |
1284 | (cval->control << 8) | minchn, &cval->res) < 0) | |
1da177e4 LT |
1285 | cval->res = last_valid_res; |
1286 | } | |
1287 | if (cval->res == 0) | |
1288 | cval->res = 1; | |
14790f1c TI |
1289 | |
1290 | /* Additional checks for the proper resolution | |
1291 | * | |
1292 | * Some devices report smaller resolutions than actually | |
1293 | * reacting. They don't return errors but simply clip | |
1294 | * to the lower aligned value. | |
1295 | */ | |
1296 | if (cval->min + cval->res < cval->max) { | |
1297 | int last_valid_res = cval->res; | |
1298 | int saved, test, check; | |
167beb17 TI |
1299 | if (get_cur_mix_raw(cval, minchn, &saved) < 0) |
1300 | goto no_res_check; | |
14790f1c TI |
1301 | for (;;) { |
1302 | test = saved; | |
1303 | if (test < cval->max) | |
1304 | test += cval->res; | |
1305 | else | |
1306 | test -= cval->res; | |
1307 | if (test < cval->min || test > cval->max || | |
eef90451 | 1308 | snd_usb_set_cur_mix_value(cval, minchn, 0, test) || |
641b4879 | 1309 | get_cur_mix_raw(cval, minchn, &check)) { |
14790f1c TI |
1310 | cval->res = last_valid_res; |
1311 | break; | |
1312 | } | |
1313 | if (test == check) | |
1314 | break; | |
1315 | cval->res *= 2; | |
1316 | } | |
eef90451 | 1317 | snd_usb_set_cur_mix_value(cval, minchn, 0, saved); |
14790f1c TI |
1318 | } |
1319 | ||
167beb17 | 1320 | no_res_check: |
1da177e4 LT |
1321 | cval->initialized = 1; |
1322 | } | |
c3a3e040 | 1323 | |
dcaaf9f2 TI |
1324 | if (kctl) |
1325 | volume_control_quirks(cval, kctl); | |
1326 | ||
c3a3e040 JK |
1327 | /* USB descriptions contain the dB scale in 1/256 dB unit |
1328 | * while ALSA TLV contains in 1/100 dB unit | |
1329 | */ | |
1330 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; | |
1331 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; | |
1332 | if (cval->dBmin > cval->dBmax) { | |
1333 | /* something is wrong; assume it's either from/to 0dB */ | |
1334 | if (cval->dBmin < 0) | |
1335 | cval->dBmax = 0; | |
1336 | else if (cval->dBmin > 0) | |
1337 | cval->dBmin = 0; | |
1338 | if (cval->dBmin > cval->dBmax) { | |
1339 | /* totally crap, return an error */ | |
1340 | return -EINVAL; | |
1341 | } | |
21cba9c5 TI |
1342 | } else { |
1343 | /* if the max volume is too low, it's likely a bogus range; | |
1344 | * here we use -96dB as the threshold | |
1345 | */ | |
1346 | if (cval->dBmax <= -9600) { | |
1347 | usb_audio_info(cval->head.mixer->chip, | |
1348 | "%d:%d: bogus dB values (%d/%d), disabling dB reporting\n", | |
1349 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), | |
1350 | cval->dBmin, cval->dBmax); | |
1351 | cval->dBmin = cval->dBmax = 0; | |
1352 | } | |
c3a3e040 JK |
1353 | } |
1354 | ||
b96681bd TI |
1355 | /* initialize all elements */ |
1356 | if (!cval->cmask) { | |
1357 | init_cur_mix_raw(cval, 0, 0); | |
1358 | } else { | |
1359 | idx = 0; | |
1360 | for (i = 0; i < MAX_CHANNELS; i++) { | |
1361 | if (cval->cmask & (1 << i)) { | |
1362 | init_cur_mix_raw(cval, i + 1, idx); | |
1363 | idx++; | |
1364 | } | |
1365 | } | |
1366 | } | |
1367 | ||
1da177e4 LT |
1368 | return 0; |
1369 | } | |
1370 | ||
dcaaf9f2 | 1371 | #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) |
1da177e4 LT |
1372 | |
1373 | /* get a feature/mixer unit info */ | |
6bc170e4 DM |
1374 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, |
1375 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 | 1376 | { |
86e07d34 | 1377 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1378 | |
1379 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1380 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
1381 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1382 | else | |
1383 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1384 | uinfo->count = cval->channels; | |
1385 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1386 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
1387 | uinfo->value.integer.min = 0; | |
1388 | uinfo->value.integer.max = 1; | |
1389 | } else { | |
9fcd0ab1 | 1390 | if (!cval->initialized) { |
dcaaf9f2 | 1391 | get_min_max_with_quirks(cval, 0, kcontrol); |
9fcd0ab1 TI |
1392 | if (cval->initialized && cval->dBmin >= cval->dBmax) { |
1393 | kcontrol->vd[0].access &= | |
1394 | ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1395 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); | |
3360b84b | 1396 | snd_ctl_notify(cval->head.mixer->chip->card, |
9fcd0ab1 TI |
1397 | SNDRV_CTL_EVENT_MASK_INFO, |
1398 | &kcontrol->id); | |
1399 | } | |
1400 | } | |
1da177e4 | 1401 | uinfo->value.integer.min = 0; |
14790f1c | 1402 | uinfo->value.integer.max = |
e4d8aef2 | 1403 | DIV_ROUND_UP(cval->max - cval->min, cval->res); |
1da177e4 LT |
1404 | } |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | /* get the current value from feature/mixer unit */ | |
6bc170e4 DM |
1409 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, |
1410 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1411 | { |
86e07d34 | 1412 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1413 | int c, cnt, val, err; |
1414 | ||
641b4879 | 1415 | ucontrol->value.integer.value[0] = cval->min; |
1da177e4 LT |
1416 | if (cval->cmask) { |
1417 | cnt = 0; | |
1418 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
1419 | if (!(cval->cmask & (1 << c))) |
1420 | continue; | |
eef90451 | 1421 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); |
641b4879 | 1422 | if (err < 0) |
5aeee342 | 1423 | return filter_error(cval, err); |
641b4879 TI |
1424 | val = get_relative_value(cval, val); |
1425 | ucontrol->value.integer.value[cnt] = val; | |
1426 | cnt++; | |
1da177e4 | 1427 | } |
641b4879 | 1428 | return 0; |
1da177e4 LT |
1429 | } else { |
1430 | /* master channel */ | |
eef90451 | 1431 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); |
641b4879 | 1432 | if (err < 0) |
5aeee342 | 1433 | return filter_error(cval, err); |
1da177e4 LT |
1434 | val = get_relative_value(cval, val); |
1435 | ucontrol->value.integer.value[0] = val; | |
1436 | } | |
1437 | return 0; | |
1438 | } | |
1439 | ||
1440 | /* put the current value to feature/mixer unit */ | |
6bc170e4 DM |
1441 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, |
1442 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1443 | { |
86e07d34 | 1444 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1445 | int c, cnt, val, oval, err; |
1446 | int changed = 0; | |
1447 | ||
1448 | if (cval->cmask) { | |
1449 | cnt = 0; | |
1450 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
1451 | if (!(cval->cmask & (1 << c))) |
1452 | continue; | |
eef90451 | 1453 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); |
641b4879 | 1454 | if (err < 0) |
5aeee342 | 1455 | return filter_error(cval, err); |
641b4879 TI |
1456 | val = ucontrol->value.integer.value[cnt]; |
1457 | val = get_abs_value(cval, val); | |
1458 | if (oval != val) { | |
eef90451 | 1459 | snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); |
641b4879 | 1460 | changed = 1; |
1da177e4 | 1461 | } |
641b4879 | 1462 | cnt++; |
1da177e4 LT |
1463 | } |
1464 | } else { | |
1465 | /* master channel */ | |
eef90451 | 1466 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); |
1da177e4 | 1467 | if (err < 0) |
5aeee342 | 1468 | return filter_error(cval, err); |
1da177e4 LT |
1469 | val = ucontrol->value.integer.value[0]; |
1470 | val = get_abs_value(cval, val); | |
1471 | if (val != oval) { | |
eef90451 | 1472 | snd_usb_set_cur_mix_value(cval, 0, 0, val); |
1da177e4 LT |
1473 | changed = 1; |
1474 | } | |
1475 | } | |
1476 | return changed; | |
1477 | } | |
1478 | ||
568fa7e0 AC |
1479 | /* get the boolean value from the master channel of a UAC control */ |
1480 | static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, | |
1481 | struct snd_ctl_elem_value *ucontrol) | |
5a222e84 AC |
1482 | { |
1483 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
1484 | int val, err; | |
1485 | ||
1486 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); | |
1487 | if (err < 0) | |
1488 | return filter_error(cval, err); | |
1489 | val = (val != 0); | |
1490 | ucontrol->value.integer.value[0] = val; | |
1491 | return 0; | |
1492 | } | |
1493 | ||
69644fca KHF |
1494 | static int get_connector_value(struct usb_mixer_elem_info *cval, |
1495 | char *name, int *val) | |
1d38f5d8 | 1496 | { |
1d38f5d8 | 1497 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
69644fca | 1498 | int idx = 0, validx, ret; |
1d38f5d8 JS |
1499 | |
1500 | validx = cval->control << 8 | 0; | |
1501 | ||
1502 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; | |
1503 | if (ret) | |
1504 | goto error; | |
1505 | ||
0aef31b7 | 1506 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
1d38f5d8 JS |
1507 | if (cval->head.mixer->protocol == UAC_VERSION_2) { |
1508 | struct uac2_connectors_ctl_blk uac2_conn; | |
1509 | ||
1510 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, | |
1511 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
1512 | validx, idx, &uac2_conn, sizeof(uac2_conn)); | |
69644fca KHF |
1513 | if (val) |
1514 | *val = !!uac2_conn.bNrChannels; | |
1d38f5d8 JS |
1515 | } else { /* UAC_VERSION_3 */ |
1516 | struct uac3_insertion_ctl_blk uac3_conn; | |
1517 | ||
1518 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, | |
1519 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
1520 | validx, idx, &uac3_conn, sizeof(uac3_conn)); | |
69644fca KHF |
1521 | if (val) |
1522 | *val = !!uac3_conn.bmConInserted; | |
1d38f5d8 JS |
1523 | } |
1524 | ||
1525 | snd_usb_unlock_shutdown(chip); | |
1526 | ||
1527 | if (ret < 0) { | |
69644fca KHF |
1528 | if (name && strstr(name, "Speaker")) { |
1529 | if (val) | |
1530 | *val = 1; | |
f8c11eb7 KHF |
1531 | return 0; |
1532 | } | |
1d38f5d8 JS |
1533 | error: |
1534 | usb_audio_err(chip, | |
1535 | "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
1536 | UAC_GET_CUR, validx, idx, cval->val_type); | |
3da4b740 TR |
1537 | |
1538 | if (val) | |
1539 | *val = 0; | |
1540 | ||
48cc4297 | 1541 | return filter_error(cval, ret); |
1d38f5d8 JS |
1542 | } |
1543 | ||
69644fca KHF |
1544 | return ret; |
1545 | } | |
1546 | ||
1547 | /* get the connectors status and report it as boolean type */ | |
1548 | static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, | |
1549 | struct snd_ctl_elem_value *ucontrol) | |
1550 | { | |
1551 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
1552 | int ret, val; | |
1553 | ||
1554 | ret = get_connector_value(cval, kcontrol->id.name, &val); | |
1555 | ||
1556 | if (ret < 0) | |
1557 | return ret; | |
1558 | ||
1d38f5d8 JS |
1559 | ucontrol->value.integer.value[0] = val; |
1560 | return 0; | |
1561 | } | |
1562 | ||
195727e8 | 1563 | static const struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
1564 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1565 | .name = "", /* will be filled later manually */ | |
1566 | .info = mixer_ctl_feature_info, | |
1567 | .get = mixer_ctl_feature_get, | |
1568 | .put = mixer_ctl_feature_put, | |
1569 | }; | |
1570 | ||
23caaf19 | 1571 | /* the read-only variant */ |
8fdaebbb | 1572 | static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { |
23caaf19 DM |
1573 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1574 | .name = "", /* will be filled later manually */ | |
1575 | .info = mixer_ctl_feature_info, | |
1576 | .get = mixer_ctl_feature_get, | |
1577 | .put = NULL, | |
1578 | }; | |
1579 | ||
568fa7e0 AC |
1580 | /* |
1581 | * A control which shows the boolean value from reading a UAC control on | |
1582 | * the master channel. | |
1583 | */ | |
195727e8 | 1584 | static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { |
5a222e84 AC |
1585 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1586 | .name = "", /* will be filled later manually */ | |
1587 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1588 | .info = snd_ctl_boolean_mono_info, | |
568fa7e0 | 1589 | .get = mixer_ctl_master_bool_get, |
5a222e84 AC |
1590 | .put = NULL, |
1591 | }; | |
1592 | ||
1d38f5d8 JS |
1593 | static const struct snd_kcontrol_new usb_connector_ctl_ro = { |
1594 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
1595 | .name = "", /* will be filled later manually */ | |
1596 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1597 | .info = snd_ctl_boolean_mono_info, | |
1598 | .get = mixer_ctl_connector_get, | |
1599 | .put = NULL, | |
1600 | }; | |
1601 | ||
6bc170e4 DM |
1602 | /* |
1603 | * This symbol is exported in order to allow the mixer quirks to | |
1604 | * hook up to the standard feature unit control mechanism | |
1605 | */ | |
195727e8 | 1606 | const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; |
1da177e4 LT |
1607 | |
1608 | /* | |
1609 | * build a feature control | |
1610 | */ | |
08d1e635 TI |
1611 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
1612 | { | |
1613 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); | |
1614 | } | |
1615 | ||
6bc170e4 DM |
1616 | /* |
1617 | * A lot of headsets/headphones have a "Speaker" mixer. Make sure we | |
1618 | * rename it to "Headphone". We determine if something is a headphone | |
1619 | * similar to how udev determines form factor. | |
1620 | */ | |
9b4ef977 DH |
1621 | static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, |
1622 | struct snd_card *card) | |
1623 | { | |
d1254593 | 1624 | static const char * const names_to_check[] = { |
9b4ef977 | 1625 | "Headset", "headset", "Headphone", "headphone", NULL}; |
d1254593 | 1626 | const char * const *s; |
e0f17c75 | 1627 | bool found = false; |
9b4ef977 DH |
1628 | |
1629 | if (strcmp("Speaker", kctl->id.name)) | |
1630 | return; | |
1631 | ||
1632 | for (s = names_to_check; *s; s++) | |
1633 | if (strstr(card->shortname, *s)) { | |
e0f17c75 | 1634 | found = true; |
9b4ef977 DH |
1635 | break; |
1636 | } | |
1637 | ||
1638 | if (!found) | |
1639 | return; | |
1640 | ||
0b4f0deb | 1641 | snd_ctl_rename(card, kctl, "Headphone"); |
9b4ef977 DH |
1642 | } |
1643 | ||
a01df925 | 1644 | static const struct usb_feature_control_info *get_feature_control_info(int control) |
21e9b3e9 AC |
1645 | { |
1646 | int i; | |
1647 | ||
1648 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { | |
1649 | if (audio_feature_info[i].control == control) | |
1650 | return &audio_feature_info[i]; | |
1651 | } | |
1652 | return NULL; | |
1653 | } | |
1654 | ||
17156f23 RB |
1655 | static void __build_feature_ctl(struct usb_mixer_interface *mixer, |
1656 | const struct usbmix_name_map *imap, | |
1657 | unsigned int ctl_mask, int control, | |
1658 | struct usb_audio_term *iterm, | |
1659 | struct usb_audio_term *oterm, | |
1660 | int unitid, int nameid, int readonly_mask) | |
1da177e4 | 1661 | { |
a01df925 | 1662 | const struct usb_feature_control_info *ctl_info; |
1da177e4 LT |
1663 | unsigned int len = 0; |
1664 | int mapped_name = 0; | |
86e07d34 TI |
1665 | struct snd_kcontrol *kctl; |
1666 | struct usb_mixer_elem_info *cval; | |
c3a3e040 | 1667 | const struct usbmix_name_map *map; |
80acefff | 1668 | unsigned int range; |
1da177e4 | 1669 | |
65f25da4 | 1670 | if (control == UAC_FU_GRAPHIC_EQUALIZER) { |
1da177e4 LT |
1671 | /* FIXME: not supported yet */ |
1672 | return; | |
1673 | } | |
1674 | ||
17156f23 | 1675 | map = find_map(imap, unitid, control); |
c3a3e040 | 1676 | if (check_ignored_ctl(map)) |
1da177e4 LT |
1677 | return; |
1678 | ||
561b220a | 1679 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 1680 | if (!cval) |
1da177e4 | 1681 | return; |
17156f23 | 1682 | snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); |
1da177e4 LT |
1683 | cval->control = control; |
1684 | cval->cmask = ctl_mask; | |
21e9b3e9 AC |
1685 | |
1686 | ctl_info = get_feature_control_info(control); | |
62376025 | 1687 | if (!ctl_info) { |
52c3e317 | 1688 | usb_mixer_elem_info_free(cval); |
21e9b3e9 | 1689 | return; |
62376025 | 1690 | } |
17156f23 | 1691 | if (mixer->protocol == UAC_VERSION_1) |
bc18e31c JS |
1692 | cval->val_type = ctl_info->type; |
1693 | else /* UAC_VERSION_2 */ | |
1694 | cval->val_type = ctl_info->type_uac2 >= 0 ? | |
1695 | ctl_info->type_uac2 : ctl_info->type; | |
1696 | ||
a6a33259 | 1697 | if (ctl_mask == 0) { |
1da177e4 | 1698 | cval->channels = 1; /* master channel */ |
a6a33259 DM |
1699 | cval->master_readonly = readonly_mask; |
1700 | } else { | |
1da177e4 LT |
1701 | int i, c = 0; |
1702 | for (i = 0; i < 16; i++) | |
1703 | if (ctl_mask & (1 << i)) | |
1704 | c++; | |
1705 | cval->channels = c; | |
a6a33259 | 1706 | cval->ch_readonly = readonly_mask; |
1da177e4 LT |
1707 | } |
1708 | ||
6bc170e4 DM |
1709 | /* |
1710 | * If all channels in the mask are marked read-only, make the control | |
eef90451 | 1711 | * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't |
6bc170e4 DM |
1712 | * issue write commands to read-only channels. |
1713 | */ | |
a6a33259 | 1714 | if (cval->channels == readonly_mask) |
23caaf19 DM |
1715 | kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); |
1716 | else | |
1717 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1718 | ||
6bc170e4 | 1719 | if (!kctl) { |
17156f23 | 1720 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
52c3e317 | 1721 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
1722 | return; |
1723 | } | |
eef90451 | 1724 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 1725 | |
c3a3e040 | 1726 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 | 1727 | mapped_name = len != 0; |
6bc170e4 | 1728 | if (!len && nameid) |
17156f23 | 1729 | len = snd_usb_copy_string_desc(mixer->chip, nameid, |
c3a3e040 | 1730 | kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1731 | |
1732 | switch (control) { | |
65f25da4 DM |
1733 | case UAC_FU_MUTE: |
1734 | case UAC_FU_VOLUME: | |
6bc170e4 DM |
1735 | /* |
1736 | * determine the control name. the rule is: | |
1da177e4 LT |
1737 | * - if a name id is given in descriptor, use it. |
1738 | * - if the connected input can be determined, then use the name | |
1739 | * of terminal type. | |
1740 | * - if the connected output can be determined, use it. | |
1741 | * - otherwise, anonymous name. | |
1742 | */ | |
6bc170e4 | 1743 | if (!len) { |
17156f23 RB |
1744 | if (iterm) |
1745 | len = get_term_name(mixer->chip, iterm, | |
1746 | kctl->id.name, | |
1747 | sizeof(kctl->id.name), 1); | |
1748 | if (!len && oterm) | |
1749 | len = get_term_name(mixer->chip, oterm, | |
6bc170e4 DM |
1750 | kctl->id.name, |
1751 | sizeof(kctl->id.name), 1); | |
1752 | if (!len) | |
49fd46d2 DM |
1753 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
1754 | "Feature %d", unitid); | |
1da177e4 | 1755 | } |
9b4ef977 DH |
1756 | |
1757 | if (!mapped_name) | |
17156f23 | 1758 | check_no_speaker_on_headset(kctl, mixer->chip->card); |
9b4ef977 | 1759 | |
6bc170e4 DM |
1760 | /* |
1761 | * determine the stream direction: | |
1da177e4 LT |
1762 | * if the connected output is USB stream, then it's likely a |
1763 | * capture stream. otherwise it should be playback (hopefully :) | |
1764 | */ | |
17156f23 RB |
1765 | if (!mapped_name && oterm && !(oterm->type >> 16)) { |
1766 | if ((oterm->type & 0xff00) == 0x0100) | |
49fd46d2 | 1767 | append_ctl_name(kctl, " Capture"); |
6bc170e4 | 1768 | else |
49fd46d2 | 1769 | append_ctl_name(kctl, " Playback"); |
1da177e4 | 1770 | } |
65f25da4 | 1771 | append_ctl_name(kctl, control == UAC_FU_MUTE ? |
08d1e635 | 1772 | " Switch" : " Volume"); |
1da177e4 | 1773 | break; |
1da177e4 | 1774 | default: |
6bc170e4 | 1775 | if (!len) |
75b1a8f9 | 1776 | strscpy(kctl->id.name, audio_feature_info[control-1].name, |
1da177e4 LT |
1777 | sizeof(kctl->id.name)); |
1778 | break; | |
1779 | } | |
1780 | ||
e182534d TI |
1781 | /* get min/max values */ |
1782 | get_min_max_with_quirks(cval, 0, kctl); | |
1783 | ||
e9a0ef0b TI |
1784 | /* skip a bogus volume range */ |
1785 | if (cval->max <= cval->min) { | |
1786 | usb_audio_dbg(mixer->chip, | |
1787 | "[%d] FU [%s] skipped due to invalid volume\n", | |
1788 | cval->head.id, kctl->id.name); | |
1789 | snd_ctl_free_one(kctl); | |
1790 | return; | |
1791 | } | |
1792 | ||
1793 | ||
e182534d TI |
1794 | if (control == UAC_FU_VOLUME) { |
1795 | check_mapped_dB(map, cval); | |
1796 | if (cval->dBmin < cval->dBmax || !cval->initialized) { | |
1797 | kctl->tlv.c = snd_usb_mixer_vol_tlv; | |
1798 | kctl->vd[0].access |= | |
1799 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1800 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | |
1801 | } | |
1802 | } | |
1803 | ||
17156f23 | 1804 | snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); |
42e3121d | 1805 | |
80acefff | 1806 | range = (cval->max - cval->min) / cval->res; |
6bc170e4 DM |
1807 | /* |
1808 | * Are there devices with volume range more than 255? I use a bit more | |
80acefff AF |
1809 | * to be sure. 384 is a resolution magic number found on Logitech |
1810 | * devices. It will definitively catch all buggy Logitech devices. | |
1811 | */ | |
1812 | if (range > 384) { | |
17156f23 | 1813 | usb_audio_warn(mixer->chip, |
82c1cf0a | 1814 | "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", |
6bc170e4 | 1815 | range); |
17156f23 | 1816 | usb_audio_warn(mixer->chip, |
82c1cf0a | 1817 | "[%d] FU [%s] ch = %d, val = %d/%d/%d", |
3360b84b | 1818 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 | 1819 | cval->min, cval->max, cval->res); |
80acefff AF |
1820 | } |
1821 | ||
17156f23 | 1822 | usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |
3360b84b | 1823 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 | 1824 | cval->min, cval->max, cval->res); |
3360b84b | 1825 | snd_usb_mixer_add_control(&cval->head, kctl); |
1da177e4 LT |
1826 | } |
1827 | ||
17156f23 RB |
1828 | static void build_feature_ctl(struct mixer_build *state, void *raw_desc, |
1829 | unsigned int ctl_mask, int control, | |
1830 | struct usb_audio_term *iterm, int unitid, | |
1831 | int readonly_mask) | |
1832 | { | |
1833 | struct uac_feature_unit_descriptor *desc = raw_desc; | |
1834 | int nameid = uac_feature_unit_iFeature(desc); | |
1835 | ||
1836 | __build_feature_ctl(state->mixer, state->map, ctl_mask, control, | |
1837 | iterm, &state->oterm, unitid, nameid, readonly_mask); | |
1838 | } | |
1839 | ||
1840 | static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, | |
1841 | unsigned int ctl_mask, int control, int unitid, | |
1842 | const struct usbmix_name_map *badd_map) | |
1843 | { | |
1844 | __build_feature_ctl(mixer, badd_map, ctl_mask, control, | |
1845 | NULL, NULL, unitid, 0, 0); | |
1846 | } | |
1847 | ||
167e1fb1 | 1848 | static void get_connector_control_name(struct usb_mixer_interface *mixer, |
5a222e84 AC |
1849 | struct usb_audio_term *term, |
1850 | bool is_input, char *name, int name_size) | |
1851 | { | |
167e1fb1 | 1852 | int name_len = get_term_name(mixer->chip, term, name, name_size, 0); |
5a222e84 AC |
1853 | |
1854 | if (name_len == 0) | |
75b1a8f9 | 1855 | strscpy(name, "Unknown", name_size); |
5a222e84 AC |
1856 | |
1857 | /* | |
1858 | * sound/core/ctljack.c has a convention of naming jack controls | |
1859 | * by ending in " Jack". Make it slightly more useful by | |
1860 | * indicating Input or Output after the terminal name. | |
1861 | */ | |
1862 | if (is_input) | |
1863 | strlcat(name, " - Input Jack", name_size); | |
1864 | else | |
1865 | strlcat(name, " - Output Jack", name_size); | |
1866 | } | |
1867 | ||
8dde723f TI |
1868 | /* get connector value to "wake up" the USB audio */ |
1869 | static int connector_mixer_resume(struct usb_mixer_elem_list *list) | |
1870 | { | |
1871 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); | |
1872 | ||
1873 | get_connector_value(cval, NULL, NULL); | |
1874 | return 0; | |
1875 | } | |
1876 | ||
5a222e84 | 1877 | /* Build a mixer control for a UAC connector control (jack-detect) */ |
167e1fb1 | 1878 | static void build_connector_control(struct usb_mixer_interface *mixer, |
934b9659 | 1879 | const struct usbmix_name_map *imap, |
5a222e84 AC |
1880 | struct usb_audio_term *term, bool is_input) |
1881 | { | |
1882 | struct snd_kcontrol *kctl; | |
1883 | struct usb_mixer_elem_info *cval; | |
a43c1c41 | 1884 | const struct usbmix_name_map *map; |
5a222e84 | 1885 | |
a43c1c41 TI |
1886 | map = find_map(imap, term->id, 0); |
1887 | if (check_ignored_ctl(map)) | |
934b9659 TI |
1888 | return; |
1889 | ||
5a222e84 AC |
1890 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1891 | if (!cval) | |
1892 | return; | |
167e1fb1 | 1893 | snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); |
8dde723f TI |
1894 | |
1895 | /* set up a specific resume callback */ | |
1896 | cval->head.resume = connector_mixer_resume; | |
1897 | ||
568fa7e0 | 1898 | /* |
1d38f5d8 JS |
1899 | * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the |
1900 | * number of channels connected. | |
1901 | * | |
1902 | * UAC3: The first byte specifies size of bitmap for the inserted controls. The | |
1903 | * following byte(s) specifies which connectors are inserted. | |
1904 | * | |
1905 | * This boolean ctl will simply report if any channels are connected | |
1906 | * or not. | |
568fa7e0 | 1907 | */ |
167e1fb1 | 1908 | if (mixer->protocol == UAC_VERSION_2) |
1d38f5d8 JS |
1909 | cval->control = UAC2_TE_CONNECTOR; |
1910 | else /* UAC_VERSION_3 */ | |
1911 | cval->control = UAC3_TE_INSERTION; | |
1912 | ||
5a222e84 AC |
1913 | cval->val_type = USB_MIXER_BOOLEAN; |
1914 | cval->channels = 1; /* report true if any channel is connected */ | |
1915 | cval->min = 0; | |
1916 | cval->max = 1; | |
1d38f5d8 | 1917 | kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); |
5a222e84 | 1918 | if (!kctl) { |
167e1fb1 | 1919 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
52c3e317 | 1920 | usb_mixer_elem_info_free(cval); |
5a222e84 AC |
1921 | return; |
1922 | } | |
a43c1c41 TI |
1923 | |
1924 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) | |
1925 | strlcat(kctl->id.name, " Jack", sizeof(kctl->id.name)); | |
1926 | else | |
1927 | get_connector_control_name(mixer, term, is_input, kctl->id.name, | |
1928 | sizeof(kctl->id.name)); | |
5a222e84 AC |
1929 | kctl->private_free = snd_usb_mixer_elem_free; |
1930 | snd_usb_mixer_add_control(&cval->head, kctl); | |
1931 | } | |
1932 | ||
cddaafb9 DM |
1933 | static int parse_clock_source_unit(struct mixer_build *state, int unitid, |
1934 | void *_ftr) | |
1935 | { | |
1936 | struct uac_clock_source_descriptor *hdr = _ftr; | |
1937 | struct usb_mixer_elem_info *cval; | |
1938 | struct snd_kcontrol *kctl; | |
cddaafb9 DM |
1939 | int ret; |
1940 | ||
1941 | if (state->mixer->protocol != UAC_VERSION_2) | |
1942 | return -EINVAL; | |
1943 | ||
cddaafb9 DM |
1944 | /* |
1945 | * The only property of this unit we are interested in is the | |
1946 | * clock source validity. If that isn't readable, just bail out. | |
1947 | */ | |
9a2fe9b8 | 1948 | if (!uac_v2v3_control_is_readable(hdr->bmControls, |
21e9b3e9 | 1949 | UAC2_CS_CONTROL_CLOCK_VALID)) |
cddaafb9 DM |
1950 | return 0; |
1951 | ||
1952 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); | |
1953 | if (!cval) | |
1954 | return -ENOMEM; | |
1955 | ||
1956 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); | |
1957 | ||
1958 | cval->min = 0; | |
1959 | cval->max = 1; | |
1960 | cval->channels = 1; | |
1961 | cval->val_type = USB_MIXER_BOOLEAN; | |
1962 | cval->control = UAC2_CS_CONTROL_CLOCK_VALID; | |
1963 | ||
568fa7e0 AC |
1964 | cval->master_readonly = 1; |
1965 | /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ | |
1966 | kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); | |
cddaafb9 DM |
1967 | |
1968 | if (!kctl) { | |
52c3e317 | 1969 | usb_mixer_elem_info_free(cval); |
cddaafb9 DM |
1970 | return -ENOMEM; |
1971 | } | |
1972 | ||
1973 | kctl->private_free = snd_usb_mixer_elem_free; | |
eccfc1b8 | 1974 | ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, |
26f7111a | 1975 | kctl->id.name, sizeof(kctl->id.name)); |
cddaafb9 | 1976 | if (ret > 0) |
26f7111a | 1977 | append_ctl_name(kctl, " Validity"); |
cddaafb9 DM |
1978 | else |
1979 | snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1980 | "Clock Source %d Validity", hdr->bClockID); | |
1981 | ||
1982 | return snd_usb_mixer_add_control(&cval->head, kctl); | |
1983 | } | |
1984 | ||
1da177e4 LT |
1985 | /* |
1986 | * parse a feature unit | |
1987 | * | |
25985edc | 1988 | * most of controls are defined here. |
1da177e4 | 1989 | */ |
6bc170e4 DM |
1990 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, |
1991 | void *_ftr) | |
1da177e4 LT |
1992 | { |
1993 | int channels, i, j; | |
86e07d34 | 1994 | struct usb_audio_term iterm; |
36c346e1 | 1995 | unsigned int master_bits; |
1da177e4 | 1996 | int err, csize; |
23caaf19 DM |
1997 | struct uac_feature_unit_descriptor *hdr = _ftr; |
1998 | __u8 *bmaControls; | |
1999 | ||
2000 | if (state->mixer->protocol == UAC_VERSION_1) { | |
2001 | csize = hdr->bControlSize; | |
2002 | channels = (hdr->bLength - 7) / csize - 1; | |
2003 | bmaControls = hdr->bmaControls; | |
9a2fe9b8 | 2004 | } else if (state->mixer->protocol == UAC_VERSION_2) { |
23caaf19 DM |
2005 | struct uac2_feature_unit_descriptor *ftr = _ftr; |
2006 | csize = 4; | |
e8d0fee7 | 2007 | channels = (hdr->bLength - 6) / 4 - 1; |
23caaf19 | 2008 | bmaControls = ftr->bmaControls; |
9a2fe9b8 RB |
2009 | } else { /* UAC_VERSION_3 */ |
2010 | struct uac3_feature_unit_descriptor *ftr = _ftr; | |
2011 | ||
9a2fe9b8 RB |
2012 | csize = 4; |
2013 | channels = (ftr->bLength - 7) / 4 - 1; | |
2014 | bmaControls = ftr->bmaControls; | |
1da177e4 LT |
2015 | } |
2016 | ||
2017 | /* parse the source unit */ | |
f25ecf8f TI |
2018 | err = parse_audio_unit(state, hdr->bSourceID); |
2019 | if (err < 0) | |
1da177e4 LT |
2020 | return err; |
2021 | ||
2022 | /* determine the input source type and name */ | |
4d7b86c9 DM |
2023 | err = check_input_term(state, hdr->bSourceID, &iterm); |
2024 | if (err < 0) | |
2025 | return err; | |
1da177e4 | 2026 | |
23caaf19 | 2027 | master_bits = snd_usb_combine_bytes(bmaControls, csize); |
0c3cee57 JK |
2028 | /* master configuration quirks */ |
2029 | switch (state->chip->usb_id) { | |
2030 | case USB_ID(0x08bb, 0x2702): | |
0ba41d91 TI |
2031 | usb_audio_info(state->chip, |
2032 | "usbmixer: master volume quirk for PCM2702 chip\n"); | |
0c3cee57 | 2033 | /* disable non-functional volume control */ |
65f25da4 | 2034 | master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); |
0c3cee57 | 2035 | break; |
c1051439 | 2036 | case USB_ID(0x1130, 0xf211): |
0ba41d91 TI |
2037 | usb_audio_info(state->chip, |
2038 | "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); | |
c1051439 DH |
2039 | /* disable non-functional volume control */ |
2040 | channels = 0; | |
2041 | break; | |
2042 | ||
0c3cee57 | 2043 | } |
23caaf19 DM |
2044 | |
2045 | if (state->mixer->protocol == UAC_VERSION_1) { | |
2046 | /* check all control types */ | |
2047 | for (i = 0; i < 10; i++) { | |
2048 | unsigned int ch_bits = 0; | |
21e9b3e9 AC |
2049 | int control = audio_feature_info[i].control; |
2050 | ||
23caaf19 | 2051 | for (j = 0; j < channels; j++) { |
6bc170e4 DM |
2052 | unsigned int mask; |
2053 | ||
2054 | mask = snd_usb_combine_bytes(bmaControls + | |
2055 | csize * (j+1), csize); | |
23caaf19 DM |
2056 | if (mask & (1 << i)) |
2057 | ch_bits |= (1 << j); | |
2058 | } | |
2059 | /* audio class v1 controls are never read-only */ | |
6bc170e4 DM |
2060 | |
2061 | /* | |
2062 | * The first channel must be set | |
2063 | * (for ease of programming). | |
2064 | */ | |
2065 | if (ch_bits & 1) | |
21e9b3e9 | 2066 | build_feature_ctl(state, _ftr, ch_bits, control, |
6bc170e4 | 2067 | &iterm, unitid, 0); |
23caaf19 | 2068 | if (master_bits & (1 << i)) |
21e9b3e9 AC |
2069 | build_feature_ctl(state, _ftr, 0, control, |
2070 | &iterm, unitid, 0); | |
23caaf19 | 2071 | } |
9a2fe9b8 | 2072 | } else { /* UAC_VERSION_2/3 */ |
d09c06c6 | 2073 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { |
23caaf19 DM |
2074 | unsigned int ch_bits = 0; |
2075 | unsigned int ch_read_only = 0; | |
21e9b3e9 | 2076 | int control = audio_feature_info[i].control; |
23caaf19 DM |
2077 | |
2078 | for (j = 0; j < channels; j++) { | |
6bc170e4 DM |
2079 | unsigned int mask; |
2080 | ||
2081 | mask = snd_usb_combine_bytes(bmaControls + | |
2082 | csize * (j+1), csize); | |
21e9b3e9 | 2083 | if (uac_v2v3_control_is_readable(mask, control)) { |
23caaf19 | 2084 | ch_bits |= (1 << j); |
21e9b3e9 | 2085 | if (!uac_v2v3_control_is_writeable(mask, control)) |
23caaf19 DM |
2086 | ch_read_only |= (1 << j); |
2087 | } | |
2088 | } | |
2089 | ||
6bc170e4 DM |
2090 | /* |
2091 | * NOTE: build_feature_ctl() will mark the control | |
2092 | * read-only if all channels are marked read-only in | |
2093 | * the descriptors. Otherwise, the control will be | |
2094 | * reported as writeable, but the driver will not | |
2095 | * actually issue a write command for read-only | |
2096 | * channels. | |
2097 | */ | |
2098 | ||
2099 | /* | |
2100 | * The first channel must be set | |
2101 | * (for ease of programming). | |
2102 | */ | |
2103 | if (ch_bits & 1) | |
21e9b3e9 | 2104 | build_feature_ctl(state, _ftr, ch_bits, control, |
6bc170e4 | 2105 | &iterm, unitid, ch_read_only); |
21e9b3e9 | 2106 | if (uac_v2v3_control_is_readable(master_bits, control)) |
2de841ef TI |
2107 | build_feature_ctl(state, _ftr, 0, control, |
2108 | &iterm, unitid, | |
21e9b3e9 AC |
2109 | !uac_v2v3_control_is_writeable(master_bits, |
2110 | control)); | |
1da177e4 | 2111 | } |
1da177e4 LT |
2112 | } |
2113 | ||
2114 | return 0; | |
2115 | } | |
2116 | ||
1da177e4 LT |
2117 | /* |
2118 | * Mixer Unit | |
2119 | */ | |
2120 | ||
f9f0e9ed TI |
2121 | /* check whether the given in/out overflows bmMixerControls matrix */ |
2122 | static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, | |
2123 | int protocol, int num_ins, int num_outs) | |
2124 | { | |
2125 | u8 *hdr = (u8 *)desc; | |
2126 | u8 *c = uac_mixer_unit_bmControls(desc, protocol); | |
2127 | size_t rest; /* remaining bytes after bmMixerControls */ | |
2128 | ||
2129 | switch (protocol) { | |
2130 | case UAC_VERSION_1: | |
2131 | default: | |
2132 | rest = 1; /* iMixer */ | |
2133 | break; | |
2134 | case UAC_VERSION_2: | |
2135 | rest = 2; /* bmControls + iMixer */ | |
2136 | break; | |
2137 | case UAC_VERSION_3: | |
2138 | rest = 6; /* bmControls + wMixerDescrStr */ | |
2139 | break; | |
2140 | } | |
2141 | ||
2142 | /* overflow? */ | |
2143 | return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; | |
2144 | } | |
2145 | ||
1da177e4 LT |
2146 | /* |
2147 | * build a mixer unit control | |
2148 | * | |
2149 | * the callbacks are identical with feature unit. | |
2150 | * input channel number (zero based) is given in control field instead. | |
2151 | */ | |
99fc8645 DM |
2152 | static void build_mixer_unit_ctl(struct mixer_build *state, |
2153 | struct uac_mixer_unit_descriptor *desc, | |
6cfd839a JS |
2154 | int in_pin, int in_ch, int num_outs, |
2155 | int unitid, struct usb_audio_term *iterm) | |
1da177e4 | 2156 | { |
86e07d34 | 2157 | struct usb_mixer_elem_info *cval; |
1da177e4 | 2158 | unsigned int i, len; |
86e07d34 | 2159 | struct snd_kcontrol *kctl; |
c3a3e040 | 2160 | const struct usbmix_name_map *map; |
1da177e4 | 2161 | |
17156f23 | 2162 | map = find_map(state->map, unitid, 0); |
c3a3e040 | 2163 | if (check_ignored_ctl(map)) |
1da177e4 LT |
2164 | return; |
2165 | ||
561b220a | 2166 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
6bc170e4 | 2167 | if (!cval) |
1da177e4 LT |
2168 | return; |
2169 | ||
3360b84b | 2170 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2171 | cval->control = in_ch + 1; /* based on 1 */ |
2172 | cval->val_type = USB_MIXER_S16; | |
2173 | for (i = 0; i < num_outs; i++) { | |
6bc170e4 DM |
2174 | __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); |
2175 | ||
2176 | if (check_matrix_bitmap(c, in_ch, i, num_outs)) { | |
1da177e4 LT |
2177 | cval->cmask |= (1 << i); |
2178 | cval->channels++; | |
2179 | } | |
2180 | } | |
2181 | ||
2182 | /* get min/max values */ | |
2183 | get_min_max(cval, 0); | |
2184 | ||
2185 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
6bc170e4 | 2186 | if (!kctl) { |
0ba41d91 | 2187 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
52c3e317 | 2188 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
2189 | return; |
2190 | } | |
eef90451 | 2191 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 2192 | |
c3a3e040 | 2193 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
6bc170e4 | 2194 | if (!len) |
eccfc1b8 | 2195 | len = get_term_name(state->chip, iterm, kctl->id.name, |
6bc170e4 DM |
2196 | sizeof(kctl->id.name), 0); |
2197 | if (!len) | |
1da177e4 | 2198 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); |
08d1e635 | 2199 | append_ctl_name(kctl, " Volume"); |
1da177e4 | 2200 | |
0ba41d91 | 2201 | usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", |
3360b84b TI |
2202 | cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); |
2203 | snd_usb_mixer_add_control(&cval->head, kctl); | |
1da177e4 LT |
2204 | } |
2205 | ||
5a222e84 AC |
2206 | static int parse_audio_input_terminal(struct mixer_build *state, int unitid, |
2207 | void *raw_desc) | |
2208 | { | |
2209 | struct usb_audio_term iterm; | |
1d38f5d8 | 2210 | unsigned int control, bmctls, term_id; |
5a222e84 | 2211 | |
5a222e84 | 2212 | if (state->mixer->protocol == UAC_VERSION_2) { |
1d38f5d8 JS |
2213 | struct uac2_input_terminal_descriptor *d_v2 = raw_desc; |
2214 | control = UAC2_TE_CONNECTOR; | |
2215 | term_id = d_v2->bTerminalID; | |
2216 | bmctls = le16_to_cpu(d_v2->bmControls); | |
2217 | } else if (state->mixer->protocol == UAC_VERSION_3) { | |
2218 | struct uac3_input_terminal_descriptor *d_v3 = raw_desc; | |
2219 | control = UAC3_TE_INSERTION; | |
2220 | term_id = d_v3->bTerminalID; | |
2221 | bmctls = le32_to_cpu(d_v3->bmControls); | |
2222 | } else { | |
2223 | return 0; /* UAC1. No Insertion control */ | |
5a222e84 | 2224 | } |
1d38f5d8 JS |
2225 | |
2226 | check_input_term(state, term_id, &iterm); | |
2227 | ||
2228 | /* Check for jack detection. */ | |
7dc3c5a0 TI |
2229 | if ((iterm.type & 0xff00) != 0x0100 && |
2230 | uac_v2v3_control_is_readable(bmctls, control)) | |
934b9659 | 2231 | build_connector_control(state->mixer, state->map, &iterm, true); |
1d38f5d8 | 2232 | |
5a222e84 AC |
2233 | return 0; |
2234 | } | |
2235 | ||
1da177e4 LT |
2236 | /* |
2237 | * parse a mixer unit | |
2238 | */ | |
6bc170e4 DM |
2239 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, |
2240 | void *raw_desc) | |
1da177e4 | 2241 | { |
99fc8645 | 2242 | struct uac_mixer_unit_descriptor *desc = raw_desc; |
86e07d34 | 2243 | struct usb_audio_term iterm; |
1da177e4 LT |
2244 | int input_pins, num_ins, num_outs; |
2245 | int pin, ich, err; | |
2246 | ||
6cfd839a JS |
2247 | err = uac_mixer_unit_get_channels(state, desc); |
2248 | if (err < 0) { | |
6bc170e4 DM |
2249 | usb_audio_err(state->chip, |
2250 | "invalid MIXER UNIT descriptor %d\n", | |
2251 | unitid); | |
6cfd839a | 2252 | return err; |
1da177e4 | 2253 | } |
1da177e4 | 2254 | |
6cfd839a JS |
2255 | num_outs = err; |
2256 | input_pins = desc->bNrInPins; | |
2257 | ||
1da177e4 LT |
2258 | num_ins = 0; |
2259 | ich = 0; | |
2260 | for (pin = 0; pin < input_pins; pin++) { | |
99fc8645 | 2261 | err = parse_audio_unit(state, desc->baSourceID[pin]); |
1da177e4 | 2262 | if (err < 0) |
284a8dd6 | 2263 | continue; |
ea114fc2 | 2264 | /* no bmControls field (e.g. Maya44) -> ignore */ |
0bfe5e43 | 2265 | if (!num_outs) |
ea114fc2 | 2266 | continue; |
99fc8645 | 2267 | err = check_input_term(state, desc->baSourceID[pin], &iterm); |
1da177e4 LT |
2268 | if (err < 0) |
2269 | return err; | |
2270 | num_ins += iterm.channels; | |
f9f0e9ed TI |
2271 | if (mixer_bitmap_overflow(desc, state->mixer->protocol, |
2272 | num_ins, num_outs)) | |
2273 | break; | |
6bc170e4 | 2274 | for (; ich < num_ins; ich++) { |
1da177e4 LT |
2275 | int och, ich_has_controls = 0; |
2276 | ||
6bc170e4 DM |
2277 | for (och = 0; och < num_outs; och++) { |
2278 | __u8 *c = uac_mixer_unit_bmControls(desc, | |
2279 | state->mixer->protocol); | |
2280 | ||
2281 | if (check_matrix_bitmap(c, ich, och, num_outs)) { | |
1da177e4 LT |
2282 | ich_has_controls = 1; |
2283 | break; | |
2284 | } | |
2285 | } | |
2286 | if (ich_has_controls) | |
6cfd839a | 2287 | build_mixer_unit_ctl(state, desc, pin, ich, num_outs, |
1da177e4 LT |
2288 | unitid, &iterm); |
2289 | } | |
2290 | } | |
2291 | return 0; | |
2292 | } | |
2293 | ||
1da177e4 LT |
2294 | /* |
2295 | * Processing Unit / Extension Unit | |
2296 | */ | |
2297 | ||
2298 | /* get callback for processing/extension unit */ | |
6bc170e4 DM |
2299 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, |
2300 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2301 | { |
86e07d34 | 2302 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2303 | int err, val; |
2304 | ||
2305 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
5aeee342 | 2306 | if (err < 0) { |
1da177e4 | 2307 | ucontrol->value.integer.value[0] = cval->min; |
5aeee342 | 2308 | return filter_error(cval, err); |
1da177e4 | 2309 | } |
1da177e4 LT |
2310 | val = get_relative_value(cval, val); |
2311 | ucontrol->value.integer.value[0] = val; | |
2312 | return 0; | |
2313 | } | |
2314 | ||
2315 | /* put callback for processing/extension unit */ | |
6bc170e4 DM |
2316 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, |
2317 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2318 | { |
86e07d34 | 2319 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2320 | int val, oval, err; |
2321 | ||
2322 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
5aeee342 TI |
2323 | if (err < 0) |
2324 | return filter_error(cval, err); | |
1da177e4 LT |
2325 | val = ucontrol->value.integer.value[0]; |
2326 | val = get_abs_value(cval, val); | |
2327 | if (val != oval) { | |
2328 | set_cur_ctl_value(cval, cval->control << 8, val); | |
2329 | return 1; | |
2330 | } | |
2331 | return 0; | |
2332 | } | |
2333 | ||
2334 | /* alsa control interface for processing/extension unit */ | |
8fdaebbb | 2335 | static const struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
2336 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
2337 | .name = "", /* will be filled later */ | |
2338 | .info = mixer_ctl_feature_info, | |
2339 | .get = mixer_ctl_procunit_get, | |
2340 | .put = mixer_ctl_procunit_put, | |
2341 | }; | |
2342 | ||
1da177e4 LT |
2343 | /* |
2344 | * predefined data for processing units | |
2345 | */ | |
2346 | struct procunit_value_info { | |
2347 | int control; | |
a01df925 | 2348 | const char *suffix; |
1da177e4 LT |
2349 | int val_type; |
2350 | int min_value; | |
2351 | }; | |
2352 | ||
2353 | struct procunit_info { | |
2354 | int type; | |
2355 | char *name; | |
a01df925 | 2356 | const struct procunit_value_info *values; |
1da177e4 LT |
2357 | }; |
2358 | ||
a01df925 | 2359 | static const struct procunit_value_info undefined_proc_info[] = { |
0f292f02 JS |
2360 | { 0x00, "Control Undefined", 0 }, |
2361 | { 0 } | |
2362 | }; | |
2363 | ||
a01df925 | 2364 | static const struct procunit_value_info updown_proc_info[] = { |
65f25da4 DM |
2365 | { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2366 | { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
1da177e4 LT |
2367 | { 0 } |
2368 | }; | |
a01df925 | 2369 | static const struct procunit_value_info prologic_proc_info[] = { |
65f25da4 DM |
2370 | { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2371 | { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
1da177e4 LT |
2372 | { 0 } |
2373 | }; | |
a01df925 | 2374 | static const struct procunit_value_info threed_enh_proc_info[] = { |
65f25da4 DM |
2375 | { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2376 | { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1da177e4 LT |
2377 | { 0 } |
2378 | }; | |
a01df925 | 2379 | static const struct procunit_value_info reverb_proc_info[] = { |
65f25da4 DM |
2380 | { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2381 | { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
2382 | { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
2383 | { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, | |
1da177e4 LT |
2384 | { 0 } |
2385 | }; | |
a01df925 | 2386 | static const struct procunit_value_info chorus_proc_info[] = { |
65f25da4 DM |
2387 | { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2388 | { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
2389 | { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
2390 | { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1da177e4 LT |
2391 | { 0 } |
2392 | }; | |
a01df925 | 2393 | static const struct procunit_value_info dcr_proc_info[] = { |
65f25da4 DM |
2394 | { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2395 | { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, | |
2396 | { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, | |
2397 | { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
2398 | { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, | |
2399 | { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, | |
1da177e4 LT |
2400 | { 0 } |
2401 | }; | |
2402 | ||
a01df925 | 2403 | static const struct procunit_info procunits[] = { |
65f25da4 DM |
2404 | { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, |
2405 | { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
2406 | { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, | |
2407 | { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, | |
2408 | { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, | |
2409 | { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, | |
1da177e4 LT |
2410 | { 0 }, |
2411 | }; | |
0f292f02 | 2412 | |
a01df925 | 2413 | static const struct procunit_value_info uac3_updown_proc_info[] = { |
0f292f02 JS |
2414 | { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
2415 | { 0 } | |
2416 | }; | |
a01df925 | 2417 | static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { |
0f292f02 JS |
2418 | { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, |
2419 | { 0 } | |
2420 | }; | |
2421 | ||
a01df925 | 2422 | static const struct procunit_info uac3_procunits[] = { |
0f292f02 JS |
2423 | { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, |
2424 | { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, | |
2425 | { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, | |
2426 | { 0 }, | |
2427 | }; | |
2428 | ||
7d2b451e SK |
2429 | /* |
2430 | * predefined data for extension units | |
2431 | */ | |
a01df925 | 2432 | static const struct procunit_value_info clock_rate_xu_info[] = { |
e213e9cf DM |
2433 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, |
2434 | { 0 } | |
7d2b451e | 2435 | }; |
a01df925 | 2436 | static const struct procunit_value_info clock_source_xu_info[] = { |
7d2b451e SK |
2437 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, |
2438 | { 0 } | |
2439 | }; | |
a01df925 | 2440 | static const struct procunit_value_info spdif_format_xu_info[] = { |
7d2b451e SK |
2441 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, |
2442 | { 0 } | |
2443 | }; | |
a01df925 | 2444 | static const struct procunit_value_info soft_limit_xu_info[] = { |
7d2b451e SK |
2445 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, |
2446 | { 0 } | |
2447 | }; | |
a01df925 | 2448 | static const struct procunit_info extunits[] = { |
7d2b451e SK |
2449 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, |
2450 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, | |
2451 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, | |
2452 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, | |
2453 | { 0 } | |
2454 | }; | |
6bc170e4 | 2455 | |
1da177e4 LT |
2456 | /* |
2457 | * build a processing/extension unit | |
2458 | */ | |
6bc170e4 | 2459 | static int build_audio_procunit(struct mixer_build *state, int unitid, |
a01df925 | 2460 | void *raw_desc, const struct procunit_info *list, |
ca95c7bf | 2461 | bool extension_unit) |
1da177e4 | 2462 | { |
99fc8645 | 2463 | struct uac_processing_unit_descriptor *desc = raw_desc; |
f4351a19 | 2464 | int num_ins; |
86e07d34 TI |
2465 | struct usb_mixer_elem_info *cval; |
2466 | struct snd_kcontrol *kctl; | |
d8d0db7b | 2467 | int i, err, nameid, type, len, val; |
a01df925 TI |
2468 | const struct procunit_info *info; |
2469 | const struct procunit_value_info *valinfo; | |
c3a3e040 | 2470 | const struct usbmix_name_map *map; |
a01df925 | 2471 | static const struct procunit_value_info default_value_info[] = { |
1da177e4 LT |
2472 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, |
2473 | { 0 } | |
2474 | }; | |
a01df925 | 2475 | static const struct procunit_info default_info = { |
1da177e4 LT |
2476 | 0, NULL, default_value_info |
2477 | }; | |
ca95c7bf TI |
2478 | const char *name = extension_unit ? |
2479 | "Extension Unit" : "Processing Unit"; | |
1da177e4 | 2480 | |
f4351a19 | 2481 | num_ins = desc->bNrInPins; |
1da177e4 | 2482 | for (i = 0; i < num_ins; i++) { |
f25ecf8f TI |
2483 | err = parse_audio_unit(state, desc->baSourceID[i]); |
2484 | if (err < 0) | |
1da177e4 LT |
2485 | return err; |
2486 | } | |
2487 | ||
99fc8645 | 2488 | type = le16_to_cpu(desc->wProcessType); |
1da177e4 LT |
2489 | for (info = list; info && info->type; info++) |
2490 | if (info->type == type) | |
2491 | break; | |
6bc170e4 | 2492 | if (!info || !info->type) |
1da177e4 LT |
2493 | info = &default_info; |
2494 | ||
2495 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
23caaf19 | 2496 | __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); |
99fc8645 | 2497 | |
4e887af3 JS |
2498 | if (state->mixer->protocol == UAC_VERSION_1) { |
2499 | if (!(controls[valinfo->control / 8] & | |
2500 | (1 << ((valinfo->control % 8) - 1)))) | |
2501 | continue; | |
2502 | } else { /* UAC_VERSION_2/3 */ | |
2503 | if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], | |
2504 | valinfo->control)) | |
2505 | continue; | |
2506 | } | |
2507 | ||
17156f23 | 2508 | map = find_map(state->map, unitid, valinfo->control); |
c3a3e040 | 2509 | if (check_ignored_ctl(map)) |
1da177e4 | 2510 | continue; |
561b220a | 2511 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 2512 | if (!cval) |
1da177e4 | 2513 | return -ENOMEM; |
3360b84b | 2514 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2515 | cval->control = valinfo->control; |
2516 | cval->val_type = valinfo->val_type; | |
2517 | cval->channels = 1; | |
2518 | ||
4e887af3 JS |
2519 | if (state->mixer->protocol > UAC_VERSION_1 && |
2520 | !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], | |
2521 | valinfo->control)) | |
2522 | cval->master_readonly = 1; | |
2523 | ||
1da177e4 | 2524 | /* get min/max values */ |
55b8cb46 JS |
2525 | switch (type) { |
2526 | case UAC_PROCESS_UP_DOWNMIX: { | |
2527 | bool mode_sel = false; | |
2528 | ||
2529 | switch (state->mixer->protocol) { | |
2530 | case UAC_VERSION_1: | |
2531 | case UAC_VERSION_2: | |
2532 | default: | |
2533 | if (cval->control == UAC_UD_MODE_SELECT) | |
2534 | mode_sel = true; | |
2535 | break; | |
2536 | case UAC_VERSION_3: | |
2537 | if (cval->control == UAC3_UD_MODE_SELECT) | |
2538 | mode_sel = true; | |
2539 | break; | |
2540 | } | |
2541 | ||
2542 | if (mode_sel) { | |
2543 | __u8 *control_spec = uac_processing_unit_specific(desc, | |
2544 | state->mixer->protocol); | |
2545 | cval->min = 1; | |
2546 | cval->max = control_spec[0]; | |
7d2b451e SK |
2547 | cval->res = 1; |
2548 | cval->initialized = 1; | |
55b8cb46 JS |
2549 | break; |
2550 | } | |
2551 | ||
2552 | get_min_max(cval, valinfo->min_value); | |
2553 | break; | |
2554 | } | |
2555 | case USB_XU_CLOCK_RATE: | |
2556 | /* | |
2557 | * E-Mu USB 0404/0202/TrackerPre/0204 | |
2558 | * samplerate control quirk | |
2559 | */ | |
2560 | cval->min = 0; | |
2561 | cval->max = 5; | |
2562 | cval->res = 1; | |
2563 | cval->initialized = 1; | |
2564 | break; | |
2565 | default: | |
2566 | get_min_max(cval, valinfo->min_value); | |
2567 | break; | |
7d2b451e | 2568 | } |
1da177e4 | 2569 | |
d8d0db7b TY |
2570 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
2571 | if (err < 0) { | |
2572 | usb_mixer_elem_info_free(cval); | |
2573 | return -EINVAL; | |
2574 | } | |
2575 | ||
1da177e4 | 2576 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); |
6bc170e4 | 2577 | if (!kctl) { |
52c3e317 | 2578 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
2579 | return -ENOMEM; |
2580 | } | |
eef90451 | 2581 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 2582 | |
6bc170e4 | 2583 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { |
c3a3e040 | 2584 | /* nothing */ ; |
6bc170e4 | 2585 | } else if (info->name) { |
75b1a8f9 | 2586 | strscpy(kctl->id.name, info->name, sizeof(kctl->id.name)); |
6bc170e4 | 2587 | } else { |
ca95c7bf TI |
2588 | if (extension_unit) |
2589 | nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); | |
2590 | else | |
2591 | nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); | |
1da177e4 LT |
2592 | len = 0; |
2593 | if (nameid) | |
eccfc1b8 RB |
2594 | len = snd_usb_copy_string_desc(state->chip, |
2595 | nameid, | |
6bc170e4 DM |
2596 | kctl->id.name, |
2597 | sizeof(kctl->id.name)); | |
2598 | if (!len) | |
75b1a8f9 | 2599 | strscpy(kctl->id.name, name, sizeof(kctl->id.name)); |
1da177e4 | 2600 | } |
08d1e635 TI |
2601 | append_ctl_name(kctl, " "); |
2602 | append_ctl_name(kctl, valinfo->suffix); | |
1da177e4 | 2603 | |
0ba41d91 | 2604 | usb_audio_dbg(state->chip, |
6bc170e4 | 2605 | "[%d] PU [%s] ch = %d, val = %d/%d\n", |
3360b84b | 2606 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 DM |
2607 | cval->min, cval->max); |
2608 | ||
3360b84b | 2609 | err = snd_usb_mixer_add_control(&cval->head, kctl); |
6bc170e4 | 2610 | if (err < 0) |
1da177e4 LT |
2611 | return err; |
2612 | } | |
2613 | return 0; | |
2614 | } | |
2615 | ||
6bc170e4 DM |
2616 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, |
2617 | void *raw_desc) | |
1da177e4 | 2618 | { |
0f292f02 JS |
2619 | switch (state->mixer->protocol) { |
2620 | case UAC_VERSION_1: | |
2621 | case UAC_VERSION_2: | |
2622 | default: | |
2623 | return build_audio_procunit(state, unitid, raw_desc, | |
ca95c7bf | 2624 | procunits, false); |
0f292f02 JS |
2625 | case UAC_VERSION_3: |
2626 | return build_audio_procunit(state, unitid, raw_desc, | |
ca95c7bf | 2627 | uac3_procunits, false); |
0f292f02 | 2628 | } |
1da177e4 LT |
2629 | } |
2630 | ||
6bc170e4 DM |
2631 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, |
2632 | void *raw_desc) | |
1da177e4 | 2633 | { |
6bc170e4 DM |
2634 | /* |
2635 | * Note that we parse extension units with processing unit descriptors. | |
2636 | * That's ok as the layout is the same. | |
2637 | */ | |
ca95c7bf | 2638 | return build_audio_procunit(state, unitid, raw_desc, extunits, true); |
1da177e4 LT |
2639 | } |
2640 | ||
1da177e4 LT |
2641 | /* |
2642 | * Selector Unit | |
2643 | */ | |
2644 | ||
6bc170e4 DM |
2645 | /* |
2646 | * info callback for selector unit | |
1da177e4 LT |
2647 | * use an enumerator type for routing |
2648 | */ | |
6bc170e4 DM |
2649 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, |
2650 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 | 2651 | { |
86e07d34 | 2652 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
2a1803a7 | 2653 | const char **itemlist = (const char **)kcontrol->private_value; |
1da177e4 | 2654 | |
5e246b85 TI |
2655 | if (snd_BUG_ON(!itemlist)) |
2656 | return -EINVAL; | |
2a1803a7 | 2657 | return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); |
1da177e4 LT |
2658 | } |
2659 | ||
2660 | /* get callback for selector unit */ | |
6bc170e4 DM |
2661 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, |
2662 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2663 | { |
86e07d34 | 2664 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2665 | int val, err; |
2666 | ||
09414207 | 2667 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
1da177e4 | 2668 | if (err < 0) { |
5aeee342 TI |
2669 | ucontrol->value.enumerated.item[0] = 0; |
2670 | return filter_error(cval, err); | |
1da177e4 LT |
2671 | } |
2672 | val = get_relative_value(cval, val); | |
2673 | ucontrol->value.enumerated.item[0] = val; | |
2674 | return 0; | |
2675 | } | |
2676 | ||
2677 | /* put callback for selector unit */ | |
6bc170e4 DM |
2678 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, |
2679 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2680 | { |
86e07d34 | 2681 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2682 | int val, oval, err; |
2683 | ||
09414207 | 2684 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
5aeee342 TI |
2685 | if (err < 0) |
2686 | return filter_error(cval, err); | |
1da177e4 LT |
2687 | val = ucontrol->value.enumerated.item[0]; |
2688 | val = get_abs_value(cval, val); | |
2689 | if (val != oval) { | |
09414207 | 2690 | set_cur_ctl_value(cval, cval->control << 8, val); |
1da177e4 LT |
2691 | return 1; |
2692 | } | |
2693 | return 0; | |
2694 | } | |
2695 | ||
2696 | /* alsa control interface for selector unit */ | |
8fdaebbb | 2697 | static const struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
2698 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
2699 | .name = "", /* will be filled later */ | |
2700 | .info = mixer_ctl_selector_info, | |
2701 | .get = mixer_ctl_selector_get, | |
2702 | .put = mixer_ctl_selector_put, | |
2703 | }; | |
2704 | ||
6bc170e4 DM |
2705 | /* |
2706 | * private free callback. | |
1da177e4 LT |
2707 | * free both private_data and private_value |
2708 | */ | |
86e07d34 | 2709 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
2710 | { |
2711 | int i, num_ins = 0; | |
2712 | ||
2713 | if (kctl->private_data) { | |
86e07d34 | 2714 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 | 2715 | num_ins = cval->max; |
52c3e317 | 2716 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
2717 | kctl->private_data = NULL; |
2718 | } | |
2719 | if (kctl->private_value) { | |
2720 | char **itemlist = (char **)kctl->private_value; | |
2721 | for (i = 0; i < num_ins; i++) | |
2722 | kfree(itemlist[i]); | |
2723 | kfree(itemlist); | |
2724 | kctl->private_value = 0; | |
2725 | } | |
2726 | } | |
2727 | ||
2728 | /* | |
2729 | * parse a selector unit | |
2730 | */ | |
6bc170e4 DM |
2731 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, |
2732 | void *raw_desc) | |
1da177e4 | 2733 | { |
99fc8645 | 2734 | struct uac_selector_unit_descriptor *desc = raw_desc; |
1da177e4 LT |
2735 | unsigned int i, nameid, len; |
2736 | int err; | |
86e07d34 TI |
2737 | struct usb_mixer_elem_info *cval; |
2738 | struct snd_kcontrol *kctl; | |
c3a3e040 | 2739 | const struct usbmix_name_map *map; |
1da177e4 LT |
2740 | char **namelist; |
2741 | ||
99fc8645 | 2742 | for (i = 0; i < desc->bNrInPins; i++) { |
f25ecf8f TI |
2743 | err = parse_audio_unit(state, desc->baSourceID[i]); |
2744 | if (err < 0) | |
1da177e4 LT |
2745 | return err; |
2746 | } | |
2747 | ||
99fc8645 | 2748 | if (desc->bNrInPins == 1) /* only one ? nonsense! */ |
1da177e4 LT |
2749 | return 0; |
2750 | ||
17156f23 | 2751 | map = find_map(state->map, unitid, 0); |
c3a3e040 | 2752 | if (check_ignored_ctl(map)) |
1da177e4 LT |
2753 | return 0; |
2754 | ||
561b220a | 2755 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 2756 | if (!cval) |
1da177e4 | 2757 | return -ENOMEM; |
3360b84b | 2758 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2759 | cval->val_type = USB_MIXER_U8; |
2760 | cval->channels = 1; | |
2761 | cval->min = 1; | |
99fc8645 | 2762 | cval->max = desc->bNrInPins; |
1da177e4 LT |
2763 | cval->res = 1; |
2764 | cval->initialized = 1; | |
2765 | ||
c77e1ef1 JS |
2766 | switch (state->mixer->protocol) { |
2767 | case UAC_VERSION_1: | |
2768 | default: | |
09414207 | 2769 | cval->control = 0; |
c77e1ef1 JS |
2770 | break; |
2771 | case UAC_VERSION_2: | |
2772 | case UAC_VERSION_3: | |
2773 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || | |
2774 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) | |
2775 | cval->control = UAC2_CX_CLOCK_SELECTOR; | |
2776 | else /* UAC2/3_SELECTOR_UNIT */ | |
2777 | cval->control = UAC2_SU_SELECTOR; | |
2778 | break; | |
2779 | } | |
09414207 | 2780 | |
52c3e317 | 2781 | namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); |
6bc170e4 | 2782 | if (!namelist) { |
52c3e317 TI |
2783 | err = -ENOMEM; |
2784 | goto error_cval; | |
1da177e4 LT |
2785 | } |
2786 | #define MAX_ITEM_NAME_LEN 64 | |
99fc8645 | 2787 | for (i = 0; i < desc->bNrInPins; i++) { |
86e07d34 | 2788 | struct usb_audio_term iterm; |
1da177e4 | 2789 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); |
6bc170e4 | 2790 | if (!namelist[i]) { |
52c3e317 TI |
2791 | err = -ENOMEM; |
2792 | goto error_name; | |
1da177e4 | 2793 | } |
8e062ec7 CL |
2794 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
2795 | MAX_ITEM_NAME_LEN); | |
99fc8645 | 2796 | if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) |
eccfc1b8 RB |
2797 | len = get_term_name(state->chip, &iterm, namelist[i], |
2798 | MAX_ITEM_NAME_LEN, 0); | |
1da177e4 | 2799 | if (! len) |
af831eef | 2800 | sprintf(namelist[i], "Input %u", i); |
1da177e4 LT |
2801 | } |
2802 | ||
2803 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
2804 | if (! kctl) { | |
0ba41d91 | 2805 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
52c3e317 TI |
2806 | err = -ENOMEM; |
2807 | goto error_name; | |
1da177e4 LT |
2808 | } |
2809 | kctl->private_value = (unsigned long)namelist; | |
2810 | kctl->private_free = usb_mixer_selector_elem_free; | |
2811 | ||
5a15f289 | 2812 | /* check the static mapping table at first */ |
c3a3e040 | 2813 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
89b89d12 | 2814 | if (!len) { |
5a15f289 | 2815 | /* no mapping ? */ |
c77e1ef1 JS |
2816 | switch (state->mixer->protocol) { |
2817 | case UAC_VERSION_1: | |
2818 | case UAC_VERSION_2: | |
2819 | default: | |
5a15f289 | 2820 | /* if iSelector is given, use it */ |
c77e1ef1 JS |
2821 | nameid = uac_selector_unit_iSelector(desc); |
2822 | if (nameid) | |
2823 | len = snd_usb_copy_string_desc(state->chip, | |
2824 | nameid, kctl->id.name, | |
2825 | sizeof(kctl->id.name)); | |
2826 | break; | |
2827 | case UAC_VERSION_3: | |
2828 | /* TODO: Class-Specific strings not yet supported */ | |
2829 | break; | |
2830 | } | |
2831 | ||
5a15f289 TI |
2832 | /* ... or pick up the terminal name at next */ |
2833 | if (!len) | |
eccfc1b8 | 2834 | len = get_term_name(state->chip, &state->oterm, |
1da177e4 | 2835 | kctl->id.name, sizeof(kctl->id.name), 0); |
5a15f289 | 2836 | /* ... or use the fixed string "USB" as the last resort */ |
6bc170e4 | 2837 | if (!len) |
75b1a8f9 | 2838 | strscpy(kctl->id.name, "USB", sizeof(kctl->id.name)); |
1da177e4 | 2839 | |
5a15f289 | 2840 | /* and add the proper suffix */ |
c77e1ef1 JS |
2841 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || |
2842 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) | |
09414207 DM |
2843 | append_ctl_name(kctl, " Clock Source"); |
2844 | else if ((state->oterm.type & 0xff00) == 0x0100) | |
08d1e635 | 2845 | append_ctl_name(kctl, " Capture Source"); |
1da177e4 | 2846 | else |
08d1e635 | 2847 | append_ctl_name(kctl, " Playback Source"); |
1da177e4 LT |
2848 | } |
2849 | ||
0ba41d91 | 2850 | usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", |
3360b84b TI |
2851 | cval->head.id, kctl->id.name, desc->bNrInPins); |
2852 | return snd_usb_mixer_add_control(&cval->head, kctl); | |
52c3e317 TI |
2853 | |
2854 | error_name: | |
2855 | for (i = 0; i < desc->bNrInPins; i++) | |
2856 | kfree(namelist[i]); | |
2857 | kfree(namelist); | |
2858 | error_cval: | |
2859 | usb_mixer_elem_info_free(cval); | |
2860 | return err; | |
1da177e4 LT |
2861 | } |
2862 | ||
1da177e4 LT |
2863 | /* |
2864 | * parse an audio unit recursively | |
2865 | */ | |
2866 | ||
86e07d34 | 2867 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
2868 | { |
2869 | unsigned char *p1; | |
9a2fe9b8 | 2870 | int protocol = state->mixer->protocol; |
1da177e4 LT |
2871 | |
2872 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
2873 | return 0; /* the unit already visited */ | |
2874 | ||
2875 | p1 = find_audio_control_unit(state, unitid); | |
2876 | if (!p1) { | |
0ba41d91 | 2877 | usb_audio_err(state->chip, "unit %d not found!\n", unitid); |
1da177e4 LT |
2878 | return -EINVAL; |
2879 | } | |
2880 | ||
57f87706 TI |
2881 | if (!snd_usb_validate_audio_desc(p1, protocol)) { |
2882 | usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); | |
2883 | return 0; /* skip invalid unit */ | |
2884 | } | |
2885 | ||
68e9fde2 TI |
2886 | switch (PTYPE(protocol, p1[2])) { |
2887 | case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): | |
2888 | case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): | |
2889 | case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): | |
2890 | return parse_audio_input_terminal(state, unitid, p1); | |
2891 | case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): | |
2892 | case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): | |
2893 | case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): | |
2894 | return parse_audio_mixer_unit(state, unitid, p1); | |
2895 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): | |
2896 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): | |
2897 | return parse_clock_source_unit(state, unitid, p1); | |
2898 | case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): | |
2899 | case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): | |
2900 | case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): | |
2901 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): | |
2902 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): | |
2903 | return parse_audio_selector_unit(state, unitid, p1); | |
2904 | case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): | |
2905 | case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): | |
2906 | case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): | |
2907 | return parse_audio_feature_unit(state, unitid, p1); | |
2908 | case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): | |
2909 | case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): | |
2910 | case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): | |
2911 | return parse_audio_processing_unit(state, unitid, p1); | |
2912 | case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): | |
2913 | case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): | |
2914 | case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): | |
2915 | return parse_audio_extension_unit(state, unitid, p1); | |
2916 | case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): | |
2917 | case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): | |
2918 | return 0; /* FIXME - effect units not implemented yet */ | |
2919 | default: | |
2920 | usb_audio_err(state->chip, | |
2921 | "unit %u: unexpected type 0x%02x\n", | |
2922 | unitid, p1[2]); | |
2923 | return -EINVAL; | |
1da177e4 LT |
2924 | } |
2925 | } | |
2926 | ||
84957a8a CL |
2927 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
2928 | { | |
124751d5 TI |
2929 | /* kill pending URBs */ |
2930 | snd_usb_mixer_disconnect(mixer); | |
2931 | ||
6639b6c2 CL |
2932 | kfree(mixer->id_elems); |
2933 | if (mixer->urb) { | |
2934 | kfree(mixer->urb->transfer_buffer); | |
2935 | usb_free_urb(mixer->urb); | |
2936 | } | |
68df9de1 | 2937 | usb_free_urb(mixer->rc_urb); |
b259b10c | 2938 | kfree(mixer->rc_setup_packet); |
84957a8a CL |
2939 | kfree(mixer); |
2940 | } | |
2941 | ||
86e07d34 | 2942 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
2943 | { |
2944 | struct usb_mixer_interface *mixer = device->device_data; | |
2945 | snd_usb_mixer_free(mixer); | |
2946 | return 0; | |
2947 | } | |
2948 | ||
17156f23 RB |
2949 | /* UAC3 predefined channels configuration */ |
2950 | struct uac3_badd_profile { | |
2951 | int subclass; | |
2952 | const char *name; | |
2953 | int c_chmask; /* capture channels mask */ | |
2954 | int p_chmask; /* playback channels mask */ | |
2955 | int st_chmask; /* side tone mixing channel mask */ | |
2956 | }; | |
2957 | ||
a01df925 | 2958 | static const struct uac3_badd_profile uac3_badd_profiles[] = { |
17156f23 RB |
2959 | { |
2960 | /* | |
2961 | * BAIF, BAOF or combination of both | |
2962 | * IN: Mono or Stereo cfg, Mono alt possible | |
2963 | * OUT: Mono or Stereo cfg, Mono alt possible | |
2964 | */ | |
2965 | .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, | |
2966 | .name = "GENERIC IO", | |
2967 | .c_chmask = -1, /* dynamic channels */ | |
2968 | .p_chmask = -1, /* dynamic channels */ | |
2969 | }, | |
2970 | { | |
2971 | /* BAOF; Stereo only cfg, Mono alt possible */ | |
2972 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, | |
2973 | .name = "HEADPHONE", | |
2974 | .p_chmask = 3, | |
2975 | }, | |
2976 | { | |
2977 | /* BAOF; Mono or Stereo cfg, Mono alt possible */ | |
2978 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, | |
2979 | .name = "SPEAKER", | |
2980 | .p_chmask = -1, /* dynamic channels */ | |
2981 | }, | |
2982 | { | |
2983 | /* BAIF; Mono or Stereo cfg, Mono alt possible */ | |
2984 | .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, | |
2985 | .name = "MICROPHONE", | |
2986 | .c_chmask = -1, /* dynamic channels */ | |
2987 | }, | |
2988 | { | |
2989 | /* | |
2990 | * BAIOF topology | |
2991 | * IN: Mono only | |
2992 | * OUT: Mono or Stereo cfg, Mono alt possible | |
2993 | */ | |
2994 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, | |
2995 | .name = "HEADSET", | |
2996 | .c_chmask = 1, | |
2997 | .p_chmask = -1, /* dynamic channels */ | |
2998 | .st_chmask = 1, | |
2999 | }, | |
3000 | { | |
3001 | /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ | |
3002 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, | |
3003 | .name = "HEADSET ADAPTER", | |
3004 | .c_chmask = 1, | |
3005 | .p_chmask = 3, | |
3006 | .st_chmask = 1, | |
3007 | }, | |
3008 | { | |
3009 | /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ | |
3010 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, | |
3011 | .name = "SPEAKERPHONE", | |
3012 | .c_chmask = 1, | |
3013 | .p_chmask = 1, | |
3014 | }, | |
3015 | { 0 } /* terminator */ | |
3016 | }; | |
3017 | ||
3018 | static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, | |
a01df925 | 3019 | const struct uac3_badd_profile *f, |
17156f23 RB |
3020 | int c_chmask, int p_chmask) |
3021 | { | |
3022 | /* | |
3023 | * If both playback/capture channels are dynamic, make sure | |
3024 | * at least one channel is present | |
3025 | */ | |
3026 | if (f->c_chmask < 0 && f->p_chmask < 0) { | |
3027 | if (!c_chmask && !p_chmask) { | |
3028 | usb_audio_warn(mixer->chip, "BAAD %s: no channels?", | |
3029 | f->name); | |
3030 | return false; | |
3031 | } | |
3032 | return true; | |
3033 | } | |
3034 | ||
3035 | if ((f->c_chmask < 0 && !c_chmask) || | |
3036 | (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { | |
3037 | usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", | |
3038 | f->name); | |
3039 | return false; | |
3040 | } | |
3041 | if ((f->p_chmask < 0 && !p_chmask) || | |
3042 | (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { | |
3043 | usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", | |
3044 | f->name); | |
3045 | return false; | |
3046 | } | |
3047 | return true; | |
3048 | } | |
3049 | ||
3050 | /* | |
3051 | * create mixer controls for UAC3 BADD profiles | |
3052 | * | |
3053 | * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything | |
3054 | * | |
3055 | * BADD device may contain Mixer Unit, which doesn't have any controls, skip it | |
3056 | */ | |
3057 | static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, | |
3058 | int ctrlif) | |
3059 | { | |
3060 | struct usb_device *dev = mixer->chip->dev; | |
3061 | struct usb_interface_assoc_descriptor *assoc; | |
3062 | int badd_profile = mixer->chip->badd_profile; | |
a01df925 | 3063 | const struct uac3_badd_profile *f; |
17156f23 RB |
3064 | const struct usbmix_ctl_map *map; |
3065 | int p_chmask = 0, c_chmask = 0, st_chmask = 0; | |
3066 | int i; | |
3067 | ||
3068 | assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; | |
3069 | ||
3070 | /* Detect BADD capture/playback channels from AS EP descriptors */ | |
3071 | for (i = 0; i < assoc->bInterfaceCount; i++) { | |
3072 | int intf = assoc->bFirstInterface + i; | |
3073 | ||
3074 | struct usb_interface *iface; | |
3075 | struct usb_host_interface *alts; | |
3076 | struct usb_interface_descriptor *altsd; | |
3077 | unsigned int maxpacksize; | |
3078 | char dir_in; | |
3079 | int chmask, num; | |
3080 | ||
3081 | if (intf == ctrlif) | |
3082 | continue; | |
3083 | ||
3084 | iface = usb_ifnum_to_if(dev, intf); | |
9435f2bb TI |
3085 | if (!iface) |
3086 | continue; | |
3087 | ||
17156f23 RB |
3088 | num = iface->num_altsetting; |
3089 | ||
3090 | if (num < 2) | |
3091 | return -EINVAL; | |
3092 | ||
3093 | /* | |
3094 | * The number of Channels in an AudioStreaming interface | |
3095 | * and the audio sample bit resolution (16 bits or 24 | |
3096 | * bits) can be derived from the wMaxPacketSize field in | |
3097 | * the Standard AS Audio Data Endpoint descriptor in | |
3098 | * Alternate Setting 1 | |
3099 | */ | |
3100 | alts = &iface->altsetting[1]; | |
3101 | altsd = get_iface_desc(alts); | |
3102 | ||
3103 | if (altsd->bNumEndpoints < 1) | |
3104 | return -EINVAL; | |
3105 | ||
3106 | /* check direction */ | |
3107 | dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); | |
3108 | maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); | |
3109 | ||
3110 | switch (maxpacksize) { | |
3111 | default: | |
3112 | usb_audio_err(mixer->chip, | |
3113 | "incorrect wMaxPacketSize 0x%x for BADD profile\n", | |
3114 | maxpacksize); | |
3115 | return -EINVAL; | |
3116 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: | |
3117 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: | |
3118 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: | |
3119 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: | |
3120 | chmask = 1; | |
3121 | break; | |
3122 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: | |
3123 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: | |
3124 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: | |
3125 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: | |
3126 | chmask = 3; | |
3127 | break; | |
3128 | } | |
3129 | ||
3130 | if (dir_in) | |
3131 | c_chmask = chmask; | |
3132 | else | |
3133 | p_chmask = chmask; | |
3134 | } | |
3135 | ||
3136 | usb_audio_dbg(mixer->chip, | |
3137 | "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", | |
3138 | badd_profile, c_chmask, p_chmask); | |
3139 | ||
3140 | /* check the mapping table */ | |
3141 | for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { | |
3142 | if (map->id == badd_profile) | |
3143 | break; | |
3144 | } | |
3145 | ||
3146 | if (!map->id) | |
3147 | return -EINVAL; | |
3148 | ||
3149 | for (f = uac3_badd_profiles; f->name; f++) { | |
3150 | if (badd_profile == f->subclass) | |
3151 | break; | |
3152 | } | |
3153 | if (!f->name) | |
3154 | return -EINVAL; | |
3155 | if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) | |
3156 | return -EINVAL; | |
3157 | st_chmask = f->st_chmask; | |
3158 | ||
3159 | /* Playback */ | |
3160 | if (p_chmask) { | |
3161 | /* Master channel, always writable */ | |
3162 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3163 | UAC3_BADD_FU_ID2, map->map); | |
3164 | /* Mono/Stereo volume channels, always writable */ | |
3165 | build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, | |
3166 | UAC3_BADD_FU_ID2, map->map); | |
3167 | } | |
3168 | ||
3169 | /* Capture */ | |
3170 | if (c_chmask) { | |
3171 | /* Master channel, always writable */ | |
3172 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3173 | UAC3_BADD_FU_ID5, map->map); | |
3174 | /* Mono/Stereo volume channels, always writable */ | |
3175 | build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, | |
3176 | UAC3_BADD_FU_ID5, map->map); | |
3177 | } | |
3178 | ||
3179 | /* Side tone-mixing */ | |
3180 | if (st_chmask) { | |
3181 | /* Master channel, always writable */ | |
3182 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3183 | UAC3_BADD_FU_ID7, map->map); | |
3184 | /* Mono volume channel, always writable */ | |
3185 | build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, | |
3186 | UAC3_BADD_FU_ID7, map->map); | |
3187 | } | |
3188 | ||
3528cd8f JS |
3189 | /* Insertion Control */ |
3190 | if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { | |
3191 | struct usb_audio_term iterm, oterm; | |
3192 | ||
3193 | /* Input Term - Insertion control */ | |
3194 | memset(&iterm, 0, sizeof(iterm)); | |
3195 | iterm.id = UAC3_BADD_IT_ID4; | |
3196 | iterm.type = UAC_BIDIR_TERMINAL_HEADSET; | |
934b9659 | 3197 | build_connector_control(mixer, map->map, &iterm, true); |
3528cd8f JS |
3198 | |
3199 | /* Output Term - Insertion control */ | |
3200 | memset(&oterm, 0, sizeof(oterm)); | |
3201 | oterm.id = UAC3_BADD_OT_ID3; | |
3202 | oterm.type = UAC_BIDIR_TERMINAL_HEADSET; | |
934b9659 | 3203 | build_connector_control(mixer, map->map, &oterm, false); |
3528cd8f JS |
3204 | } |
3205 | ||
17156f23 RB |
3206 | return 0; |
3207 | } | |
3208 | ||
1da177e4 LT |
3209 | /* |
3210 | * create mixer controls | |
3211 | * | |
de48c7bc | 3212 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
1da177e4 | 3213 | */ |
84957a8a | 3214 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 | 3215 | { |
86e07d34 | 3216 | struct mixer_build state; |
1da177e4 LT |
3217 | int err; |
3218 | const struct usbmix_ctl_map *map; | |
23caaf19 | 3219 | void *p; |
1da177e4 LT |
3220 | |
3221 | memset(&state, 0, sizeof(state)); | |
84957a8a CL |
3222 | state.chip = mixer->chip; |
3223 | state.mixer = mixer; | |
1faa5d07 DM |
3224 | state.buffer = mixer->hostif->extra; |
3225 | state.buflen = mixer->hostif->extralen; | |
1da177e4 LT |
3226 | |
3227 | /* check the mapping table */ | |
27d10f56 CL |
3228 | for (map = usbmix_ctl_maps; map->id; map++) { |
3229 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 3230 | state.map = map->map; |
8e062ec7 | 3231 | state.selector_map = map->selector_map; |
fef66ae7 | 3232 | mixer->connector_map = map->connector_map; |
1da177e4 LT |
3233 | break; |
3234 | } | |
3235 | } | |
1da177e4 | 3236 | |
23caaf19 | 3237 | p = NULL; |
6bc170e4 DM |
3238 | while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, |
3239 | mixer->hostif->extralen, | |
1faa5d07 | 3240 | p, UAC_OUTPUT_TERMINAL)) != NULL) { |
57f87706 TI |
3241 | if (!snd_usb_validate_audio_desc(p, mixer->protocol)) |
3242 | continue; /* skip invalid descriptor */ | |
3243 | ||
23caaf19 | 3244 | if (mixer->protocol == UAC_VERSION_1) { |
69da9bcb | 3245 | struct uac1_output_terminal_descriptor *desc = p; |
23caaf19 | 3246 | |
6bc170e4 DM |
3247 | /* mark terminal ID as visited */ |
3248 | set_bit(desc->bTerminalID, state.unitbitmap); | |
23caaf19 DM |
3249 | state.oterm.id = desc->bTerminalID; |
3250 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3251 | state.oterm.name = desc->iTerminal; | |
3252 | err = parse_audio_unit(&state, desc->bSourceID); | |
83ea5d18 | 3253 | if (err < 0 && err != -EINVAL) |
23caaf19 | 3254 | return err; |
9a2fe9b8 | 3255 | } else if (mixer->protocol == UAC_VERSION_2) { |
23caaf19 DM |
3256 | struct uac2_output_terminal_descriptor *desc = p; |
3257 | ||
6bc170e4 DM |
3258 | /* mark terminal ID as visited */ |
3259 | set_bit(desc->bTerminalID, state.unitbitmap); | |
23caaf19 DM |
3260 | state.oterm.id = desc->bTerminalID; |
3261 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3262 | state.oterm.name = desc->iTerminal; | |
3263 | err = parse_audio_unit(&state, desc->bSourceID); | |
83ea5d18 | 3264 | if (err < 0 && err != -EINVAL) |
23caaf19 | 3265 | return err; |
09414207 | 3266 | |
6bc170e4 DM |
3267 | /* |
3268 | * For UAC2, use the same approach to also add the | |
3269 | * clock selectors | |
3270 | */ | |
09414207 | 3271 | err = parse_audio_unit(&state, desc->bCSourceID); |
83ea5d18 | 3272 | if (err < 0 && err != -EINVAL) |
09414207 | 3273 | return err; |
5a222e84 | 3274 | |
7dc3c5a0 TI |
3275 | if ((state.oterm.type & 0xff00) != 0x0100 && |
3276 | uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), | |
5a222e84 | 3277 | UAC2_TE_CONNECTOR)) { |
934b9659 TI |
3278 | build_connector_control(state.mixer, state.map, |
3279 | &state.oterm, false); | |
5a222e84 | 3280 | } |
9a2fe9b8 RB |
3281 | } else { /* UAC_VERSION_3 */ |
3282 | struct uac3_output_terminal_descriptor *desc = p; | |
3283 | ||
9a2fe9b8 RB |
3284 | /* mark terminal ID as visited */ |
3285 | set_bit(desc->bTerminalID, state.unitbitmap); | |
3286 | state.oterm.id = desc->bTerminalID; | |
3287 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3288 | state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); | |
3289 | err = parse_audio_unit(&state, desc->bSourceID); | |
3290 | if (err < 0 && err != -EINVAL) | |
3291 | return err; | |
3292 | ||
3293 | /* | |
3294 | * For UAC3, use the same approach to also add the | |
3295 | * clock selectors | |
3296 | */ | |
3297 | err = parse_audio_unit(&state, desc->bCSourceID); | |
3298 | if (err < 0 && err != -EINVAL) | |
3299 | return err; | |
1d38f5d8 | 3300 | |
7dc3c5a0 TI |
3301 | if ((state.oterm.type & 0xff00) != 0x0100 && |
3302 | uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), | |
1d38f5d8 | 3303 | UAC3_TE_INSERTION)) { |
934b9659 TI |
3304 | build_connector_control(state.mixer, state.map, |
3305 | &state.oterm, false); | |
1d38f5d8 | 3306 | } |
23caaf19 | 3307 | } |
1da177e4 | 3308 | } |
23caaf19 | 3309 | |
1da177e4 LT |
3310 | return 0; |
3311 | } | |
84957a8a | 3312 | |
fef66ae7 TI |
3313 | static int delegate_notify(struct usb_mixer_interface *mixer, int unitid, |
3314 | u8 *control, u8 *channel) | |
3315 | { | |
3316 | const struct usbmix_connector_map *map = mixer->connector_map; | |
3317 | ||
3318 | if (!map) | |
3319 | return unitid; | |
3320 | ||
3321 | for (; map->id; map++) { | |
3322 | if (map->id == unitid) { | |
3323 | if (control && map->control) | |
3324 | *control = map->control; | |
3325 | if (channel && map->channel) | |
3326 | *channel = map->channel; | |
3327 | return map->delegated_id; | |
3328 | } | |
3329 | } | |
3330 | return unitid; | |
3331 | } | |
3332 | ||
7b1eda22 | 3333 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) |
6639b6c2 | 3334 | { |
3360b84b | 3335 | struct usb_mixer_elem_list *list; |
6639b6c2 | 3336 | |
fef66ae7 TI |
3337 | unitid = delegate_notify(mixer, unitid, NULL, NULL); |
3338 | ||
8c558076 | 3339 | for_each_mixer_elem(list, mixer, unitid) { |
220345e9 TI |
3340 | struct usb_mixer_elem_info *info; |
3341 | ||
3342 | if (!list->is_std_info) | |
3343 | continue; | |
3344 | info = mixer_elem_list_to_info(list); | |
b2500b58 JS |
3345 | /* invalidate cache, so the value is read from the device */ |
3346 | info->cached = 0; | |
6639b6c2 | 3347 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
3360b84b | 3348 | &list->kctl->id); |
b2500b58 | 3349 | } |
6639b6c2 CL |
3350 | } |
3351 | ||
ebfdeea3 | 3352 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
3360b84b | 3353 | struct usb_mixer_elem_list *list) |
ebfdeea3 | 3354 | { |
8c558076 | 3355 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
362372ce | 3356 | static const char * const val_types[] = { |
64752a95 TI |
3357 | [USB_MIXER_BOOLEAN] = "BOOLEAN", |
3358 | [USB_MIXER_INV_BOOLEAN] = "INV_BOOLEAN", | |
3359 | [USB_MIXER_S8] = "S8", | |
3360 | [USB_MIXER_U8] = "U8", | |
3361 | [USB_MIXER_S16] = "S16", | |
3362 | [USB_MIXER_U16] = "U16", | |
3363 | [USB_MIXER_S32] = "S32", | |
3364 | [USB_MIXER_U32] = "U32", | |
3365 | [USB_MIXER_BESPOKEN] = "BESPOKEN", | |
362372ce | 3366 | }; |
ebfdeea3 | 3367 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " |
3360b84b | 3368 | "channels=%i, type=\"%s\"\n", cval->head.id, |
ebfdeea3 JK |
3369 | cval->control, cval->cmask, cval->channels, |
3370 | val_types[cval->val_type]); | |
3371 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", | |
3372 | cval->min, cval->max, cval->dBmin, cval->dBmax); | |
3373 | } | |
3374 | ||
3375 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, | |
3376 | struct snd_info_buffer *buffer) | |
3377 | { | |
3378 | struct snd_usb_audio *chip = entry->private_data; | |
3379 | struct usb_mixer_interface *mixer; | |
3360b84b | 3380 | struct usb_mixer_elem_list *list; |
ebfdeea3 JK |
3381 | int unitid; |
3382 | ||
3383 | list_for_each_entry(mixer, &chip->mixer_list, list) { | |
3384 | snd_iprintf(buffer, | |
7affdc17 | 3385 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
0aef31b7 | 3386 | chip->usb_id, mixer_ctrl_intf(mixer), |
7affdc17 | 3387 | mixer->ignore_ctl_error); |
ebfdeea3 JK |
3388 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
3389 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { | |
8c558076 | 3390 | for_each_mixer_elem(list, mixer, unitid) { |
3360b84b TI |
3391 | snd_iprintf(buffer, " Unit: %i\n", list->id); |
3392 | if (list->kctl) | |
3393 | snd_iprintf(buffer, | |
3394 | " Control: name=\"%s\", index=%i\n", | |
3395 | list->kctl->id.name, | |
3396 | list->kctl->id.index); | |
3397 | if (list->dump) | |
3398 | list->dump(buffer, list); | |
3399 | } | |
ebfdeea3 JK |
3400 | } |
3401 | } | |
3402 | } | |
3403 | ||
e213e9cf DM |
3404 | static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, |
3405 | int attribute, int value, int index) | |
3406 | { | |
3360b84b | 3407 | struct usb_mixer_elem_list *list; |
e213e9cf DM |
3408 | __u8 unitid = (index >> 8) & 0xff; |
3409 | __u8 control = (value >> 8) & 0xff; | |
3410 | __u8 channel = value & 0xff; | |
191227d9 | 3411 | unsigned int count = 0; |
e213e9cf DM |
3412 | |
3413 | if (channel >= MAX_CHANNELS) { | |
0ba41d91 TI |
3414 | usb_audio_dbg(mixer->chip, |
3415 | "%s(): bogus channel number %d\n", | |
3416 | __func__, channel); | |
e213e9cf DM |
3417 | return; |
3418 | } | |
3419 | ||
fef66ae7 TI |
3420 | unitid = delegate_notify(mixer, unitid, &control, &channel); |
3421 | ||
8c558076 | 3422 | for_each_mixer_elem(list, mixer, unitid) |
191227d9 DM |
3423 | count++; |
3424 | ||
3425 | if (count == 0) | |
3426 | return; | |
3427 | ||
8c558076 | 3428 | for_each_mixer_elem(list, mixer, unitid) { |
3360b84b TI |
3429 | struct usb_mixer_elem_info *info; |
3430 | ||
3431 | if (!list->kctl) | |
3432 | continue; | |
220345e9 TI |
3433 | if (!list->is_std_info) |
3434 | continue; | |
3360b84b | 3435 | |
8c558076 | 3436 | info = mixer_elem_list_to_info(list); |
191227d9 | 3437 | if (count > 1 && info->control != control) |
e213e9cf DM |
3438 | continue; |
3439 | ||
3440 | switch (attribute) { | |
3441 | case UAC2_CS_CUR: | |
3442 | /* invalidate cache, so the value is read from the device */ | |
3443 | if (channel) | |
3444 | info->cached &= ~(1 << channel); | |
3445 | else /* master channel */ | |
3446 | info->cached = 0; | |
3447 | ||
3448 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
3360b84b | 3449 | &info->head.kctl->id); |
e213e9cf DM |
3450 | break; |
3451 | ||
3452 | case UAC2_CS_RANGE: | |
3453 | /* TODO */ | |
3454 | break; | |
3455 | ||
3456 | case UAC2_CS_MEM: | |
3457 | /* TODO */ | |
3458 | break; | |
3459 | ||
3460 | default: | |
0ba41d91 TI |
3461 | usb_audio_dbg(mixer->chip, |
3462 | "unknown attribute %d in interrupt\n", | |
3463 | attribute); | |
e213e9cf DM |
3464 | break; |
3465 | } /* switch */ | |
3466 | } | |
3467 | } | |
3468 | ||
3469 | static void snd_usb_mixer_interrupt(struct urb *urb) | |
6639b6c2 CL |
3470 | { |
3471 | struct usb_mixer_interface *mixer = urb->context; | |
e213e9cf | 3472 | int len = urb->actual_length; |
edf7de31 | 3473 | int ustatus = urb->status; |
e213e9cf | 3474 | |
edf7de31 | 3475 | if (ustatus != 0) |
e213e9cf | 3476 | goto requeue; |
6639b6c2 | 3477 | |
e213e9cf DM |
3478 | if (mixer->protocol == UAC_VERSION_1) { |
3479 | struct uac1_status_word *status; | |
6639b6c2 | 3480 | |
e213e9cf DM |
3481 | for (status = urb->transfer_buffer; |
3482 | len >= sizeof(*status); | |
3483 | len -= sizeof(*status), status++) { | |
0ba41d91 | 3484 | dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", |
e213e9cf DM |
3485 | status->bStatusType, |
3486 | status->bOriginator); | |
3487 | ||
6639b6c2 | 3488 | /* ignore any notifications not from the control interface */ |
e213e9cf DM |
3489 | if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != |
3490 | UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) | |
6639b6c2 | 3491 | continue; |
e213e9cf DM |
3492 | |
3493 | if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) | |
3494 | snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); | |
b259b10c | 3495 | else |
e213e9cf DM |
3496 | snd_usb_mixer_notify_id(mixer, status->bOriginator); |
3497 | } | |
3498 | } else { /* UAC_VERSION_2 */ | |
3499 | struct uac2_interrupt_data_msg *msg; | |
3500 | ||
3501 | for (msg = urb->transfer_buffer; | |
3502 | len >= sizeof(*msg); | |
3503 | len -= sizeof(*msg), msg++) { | |
3504 | /* drop vendor specific and endpoint requests */ | |
3505 | if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || | |
3506 | (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) | |
3507 | continue; | |
3508 | ||
3509 | snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, | |
3510 | le16_to_cpu(msg->wValue), | |
3511 | le16_to_cpu(msg->wIndex)); | |
6639b6c2 CL |
3512 | } |
3513 | } | |
e213e9cf DM |
3514 | |
3515 | requeue: | |
6bc170e4 DM |
3516 | if (ustatus != -ENOENT && |
3517 | ustatus != -ECONNRESET && | |
3518 | ustatus != -ESHUTDOWN) { | |
6639b6c2 CL |
3519 | urb->dev = mixer->chip->dev; |
3520 | usb_submit_urb(urb, GFP_ATOMIC); | |
3521 | } | |
3522 | } | |
3523 | ||
3524 | /* create the handler for the optional status interrupt endpoint */ | |
3525 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
3526 | { | |
6639b6c2 CL |
3527 | struct usb_endpoint_descriptor *ep; |
3528 | void *transfer_buffer; | |
3529 | int buffer_length; | |
3530 | unsigned int epnum; | |
3531 | ||
6639b6c2 | 3532 | /* we need one interrupt input endpoint */ |
1faa5d07 | 3533 | if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) |
6639b6c2 | 3534 | return 0; |
1faa5d07 | 3535 | ep = get_endpoint(mixer->hostif, 0); |
913ae5a2 | 3536 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
6639b6c2 CL |
3537 | return 0; |
3538 | ||
42a6e66f | 3539 | epnum = usb_endpoint_num(ep); |
6639b6c2 CL |
3540 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
3541 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
3542 | if (!transfer_buffer) | |
3543 | return -ENOMEM; | |
3544 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
3545 | if (!mixer->urb) { | |
3546 | kfree(transfer_buffer); | |
3547 | return -ENOMEM; | |
3548 | } | |
3549 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
3550 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
3551 | transfer_buffer, buffer_length, | |
e213e9cf | 3552 | snd_usb_mixer_interrupt, mixer, ep->bInterval); |
6639b6c2 CL |
3553 | usb_submit_urb(mixer->urb, GFP_KERNEL); |
3554 | return 0; | |
3555 | } | |
3556 | ||
3c69dc91 | 3557 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) |
84957a8a | 3558 | { |
c0a142e2 | 3559 | static const struct snd_device_ops dev_ops = { |
84957a8a CL |
3560 | .dev_free = snd_usb_mixer_dev_free |
3561 | }; | |
3562 | struct usb_mixer_interface *mixer; | |
23caaf19 | 3563 | int err; |
84957a8a CL |
3564 | |
3565 | strcpy(chip->card->mixername, "USB Mixer"); | |
3566 | ||
561b220a | 3567 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
3568 | if (!mixer) |
3569 | return -ENOMEM; | |
3570 | mixer->chip = chip; | |
3c69dc91 | 3571 | mixer->ignore_ctl_error = !!(chip->quirk_flags & QUIRK_FLAG_IGNORE_CTL_ERROR); |
291186e0 JK |
3572 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
3573 | GFP_KERNEL); | |
6639b6c2 CL |
3574 | if (!mixer->id_elems) { |
3575 | kfree(mixer); | |
3576 | return -ENOMEM; | |
3577 | } | |
84957a8a | 3578 | |
1faa5d07 DM |
3579 | mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
3580 | switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { | |
a2acad82 CL |
3581 | case UAC_VERSION_1: |
3582 | default: | |
3583 | mixer->protocol = UAC_VERSION_1; | |
3584 | break; | |
3585 | case UAC_VERSION_2: | |
3586 | mixer->protocol = UAC_VERSION_2; | |
3587 | break; | |
9a2fe9b8 RB |
3588 | case UAC_VERSION_3: |
3589 | mixer->protocol = UAC_VERSION_3; | |
3590 | break; | |
a2acad82 | 3591 | } |
7b8a043f | 3592 | |
17156f23 RB |
3593 | if (mixer->protocol == UAC_VERSION_3 && |
3594 | chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { | |
f25ecf8f TI |
3595 | err = snd_usb_mixer_controls_badd(mixer, ctrlif); |
3596 | if (err < 0) | |
3597 | goto _error; | |
3598 | } else { | |
3599 | err = snd_usb_mixer_controls(mixer); | |
3600 | if (err < 0) | |
3601 | goto _error; | |
17156f23 | 3602 | } |
ad6baae6 JS |
3603 | |
3604 | err = snd_usb_mixer_status_create(mixer); | |
3605 | if (err < 0) | |
3606 | goto _error; | |
3607 | ||
328e9f69 TI |
3608 | err = snd_usb_mixer_apply_create_quirk(mixer); |
3609 | if (err < 0) | |
3610 | goto _error; | |
468b8fde | 3611 | |
9cbb2808 | 3612 | err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); |
93446edc CL |
3613 | if (err < 0) |
3614 | goto _error; | |
ebfdeea3 | 3615 | |
7449054a TI |
3616 | if (list_empty(&chip->mixer_list)) |
3617 | snd_card_ro_proc_new(chip->card, "usbmixer", chip, | |
3618 | snd_usb_mixer_proc_read); | |
ebfdeea3 | 3619 | |
84957a8a CL |
3620 | list_add(&mixer->list, &chip->mixer_list); |
3621 | return 0; | |
93446edc CL |
3622 | |
3623 | _error: | |
3624 | snd_usb_mixer_free(mixer); | |
3625 | return err; | |
84957a8a CL |
3626 | } |
3627 | ||
a6cece9d | 3628 | void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) |
84957a8a | 3629 | { |
124751d5 TI |
3630 | if (mixer->disconnected) |
3631 | return; | |
3632 | if (mixer->urb) | |
3633 | usb_kill_urb(mixer->urb); | |
3634 | if (mixer->rc_urb) | |
3635 | usb_kill_urb(mixer->rc_urb); | |
9e4d5c1b GB |
3636 | if (mixer->private_free) |
3637 | mixer->private_free(mixer); | |
124751d5 | 3638 | mixer->disconnected = true; |
84957a8a | 3639 | } |
400362f1 | 3640 | |
400362f1 TI |
3641 | /* stop any bus activity of a mixer */ |
3642 | static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) | |
3643 | { | |
3644 | usb_kill_urb(mixer->urb); | |
3645 | usb_kill_urb(mixer->rc_urb); | |
3646 | } | |
3647 | ||
3648 | static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) | |
3649 | { | |
3650 | int err; | |
3651 | ||
3652 | if (mixer->urb) { | |
3653 | err = usb_submit_urb(mixer->urb, GFP_NOIO); | |
3654 | if (err < 0) | |
3655 | return err; | |
3656 | } | |
3657 | ||
3658 | return 0; | |
3659 | } | |
3660 | ||
3661 | int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) | |
3662 | { | |
3663 | snd_usb_mixer_inactivate(mixer); | |
9e4d5c1b GB |
3664 | if (mixer->private_suspend) |
3665 | mixer->private_suspend(mixer); | |
400362f1 TI |
3666 | return 0; |
3667 | } | |
3668 | ||
3360b84b | 3669 | static int restore_mixer_value(struct usb_mixer_elem_list *list) |
400362f1 | 3670 | { |
8c558076 | 3671 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
400362f1 TI |
3672 | int c, err, idx; |
3673 | ||
785b6f29 TI |
3674 | if (cval->val_type == USB_MIXER_BESPOKEN) |
3675 | return 0; | |
3676 | ||
400362f1 TI |
3677 | if (cval->cmask) { |
3678 | idx = 0; | |
3679 | for (c = 0; c < MAX_CHANNELS; c++) { | |
3680 | if (!(cval->cmask & (1 << c))) | |
3681 | continue; | |
6aa6925c | 3682 | if (cval->cached & (1 << (c + 1))) { |
eef90451 | 3683 | err = snd_usb_set_cur_mix_value(cval, c + 1, idx, |
400362f1 TI |
3684 | cval->cache_val[idx]); |
3685 | if (err < 0) | |
9a5adeb2 | 3686 | break; |
400362f1 TI |
3687 | } |
3688 | idx++; | |
3689 | } | |
3690 | } else { | |
3691 | /* master */ | |
9a5adeb2 TI |
3692 | if (cval->cached) |
3693 | snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); | |
400362f1 TI |
3694 | } |
3695 | ||
3696 | return 0; | |
3697 | } | |
3698 | ||
7b9cf903 | 3699 | int snd_usb_mixer_resume(struct usb_mixer_interface *mixer) |
400362f1 | 3700 | { |
3360b84b | 3701 | struct usb_mixer_elem_list *list; |
400362f1 TI |
3702 | int id, err; |
3703 | ||
44609fc0 KHF |
3704 | /* restore cached mixer values */ |
3705 | for (id = 0; id < MAX_ID_ELEMS; id++) { | |
3706 | for_each_mixer_elem(list, mixer, id) { | |
7b9cf903 TI |
3707 | if (list->resume) { |
3708 | err = list->resume(list); | |
44609fc0 KHF |
3709 | if (err < 0) |
3710 | return err; | |
400362f1 TI |
3711 | } |
3712 | } | |
3713 | } | |
3714 | ||
964af639 TI |
3715 | snd_usb_mixer_resume_quirk(mixer); |
3716 | ||
400362f1 TI |
3717 | return snd_usb_mixer_activate(mixer); |
3718 | } | |
3360b84b TI |
3719 | |
3720 | void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, | |
3721 | struct usb_mixer_interface *mixer, | |
3722 | int unitid) | |
3723 | { | |
3724 | list->mixer = mixer; | |
3725 | list->id = unitid; | |
3726 | list->dump = snd_usb_mixer_dump_cval; | |
7b9cf903 | 3727 | list->resume = restore_mixer_value; |
3360b84b | 3728 | } |