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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * (Tentative) USB Audio Driver for ALSA | |
3 | * | |
4 | * Mixer control part | |
5 | * | |
6 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> | |
7 | * | |
8 | * Many codes borrowed from audio.c by | |
9 | * Alan Cox (alan@lxorguk.ukuu.org.uk) | |
10 | * Thomas Sailer (sailer@ife.ee.ethz.ch) | |
11 | * | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
26 | * | |
27 | */ | |
28 | ||
157a57b6 DM |
29 | /* |
30 | * TODOs, for both the mixer and the streaming interfaces: | |
31 | * | |
32 | * - support for UAC2 effect units | |
33 | * - support for graphical equalizers | |
34 | * - RANGE and MEM set commands (UAC2) | |
35 | * - RANGE and MEM interrupt dispatchers (UAC2) | |
36 | * - audio channel clustering (UAC2) | |
37 | * - audio sample rate converter units (UAC2) | |
38 | * - proper handling of clock multipliers (UAC2) | |
39 | * - dispatch clock change notifications (UAC2) | |
40 | * - stop PCM streams which use a clock that became invalid | |
41 | * - stop PCM streams which use a clock selector that has changed | |
42 | * - parse available sample rates again when clock sources changed | |
43 | */ | |
44 | ||
1da177e4 LT |
45 | #include <linux/bitops.h> |
46 | #include <linux/init.h> | |
47 | #include <linux/list.h> | |
cddaafb9 | 48 | #include <linux/log2.h> |
1da177e4 LT |
49 | #include <linux/slab.h> |
50 | #include <linux/string.h> | |
51 | #include <linux/usb.h> | |
28e1b773 | 52 | #include <linux/usb/audio.h> |
23caaf19 | 53 | #include <linux/usb/audio-v2.h> |
9a2fe9b8 | 54 | #include <linux/usb/audio-v3.h> |
28e1b773 | 55 | |
1da177e4 LT |
56 | #include <sound/core.h> |
57 | #include <sound/control.h> | |
b259b10c | 58 | #include <sound/hwdep.h> |
aafad562 | 59 | #include <sound/info.h> |
7bc5ba7e | 60 | #include <sound/tlv.h> |
1da177e4 LT |
61 | |
62 | #include "usbaudio.h" | |
f0b5e634 | 63 | #include "mixer.h" |
e5779998 | 64 | #include "helper.h" |
7b1eda22 | 65 | #include "mixer_quirks.h" |
88a8516a | 66 | #include "power.h" |
4d1a70da | 67 | |
ebfdeea3 JK |
68 | #define MAX_ID_ELEMS 256 |
69 | ||
1da177e4 LT |
70 | struct usb_audio_term { |
71 | int id; | |
72 | int type; | |
73 | int channels; | |
74 | unsigned int chconfig; | |
75 | int name; | |
76 | }; | |
77 | ||
78 | struct usbmix_name_map; | |
79 | ||
86e07d34 TI |
80 | struct mixer_build { |
81 | struct snd_usb_audio *chip; | |
84957a8a | 82 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
83 | unsigned char *buffer; |
84 | unsigned int buflen; | |
291186e0 | 85 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
86e07d34 | 86 | struct usb_audio_term oterm; |
1da177e4 | 87 | const struct usbmix_name_map *map; |
8e062ec7 | 88 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
89 | }; |
90 | ||
1cdfa9f3 | 91 | /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ |
7d2b451e SK |
92 | enum { |
93 | USB_XU_CLOCK_RATE = 0xe301, | |
94 | USB_XU_CLOCK_SOURCE = 0xe302, | |
95 | USB_XU_DIGITAL_IO_STATUS = 0xe303, | |
96 | USB_XU_DEVICE_OPTIONS = 0xe304, | |
97 | USB_XU_DIRECT_MONITORING = 0xe305, | |
98 | USB_XU_METERING = 0xe306 | |
99 | }; | |
100 | enum { | |
101 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ | |
102 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ | |
103 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ | |
104 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ | |
105 | }; | |
1da177e4 LT |
106 | |
107 | /* | |
108 | * manual mapping of mixer names | |
109 | * if the mixer topology is too complicated and the parsed names are | |
110 | * ambiguous, add the entries in usbmixer_maps.c. | |
111 | */ | |
f0b5e634 | 112 | #include "mixer_maps.c" |
1da177e4 | 113 | |
c3a3e040 | 114 | static const struct usbmix_name_map * |
17156f23 | 115 | find_map(const struct usbmix_name_map *p, int unitid, int control) |
1da177e4 | 116 | { |
c3a3e040 JK |
117 | if (!p) |
118 | return NULL; | |
1da177e4 | 119 | |
17156f23 | 120 | for (; p->id; p++) { |
c3a3e040 JK |
121 | if (p->id == unitid && |
122 | (!control || !p->control || control == p->control)) | |
123 | return p; | |
1da177e4 | 124 | } |
c3a3e040 | 125 | return NULL; |
1da177e4 LT |
126 | } |
127 | ||
c3a3e040 JK |
128 | /* get the mapped name if the unit matches */ |
129 | static int | |
130 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) | |
1da177e4 | 131 | { |
c3a3e040 JK |
132 | if (!p || !p->name) |
133 | return 0; | |
1da177e4 | 134 | |
c3a3e040 JK |
135 | buflen--; |
136 | return strlcpy(buf, p->name, buflen); | |
137 | } | |
138 | ||
5aeee342 TI |
139 | /* ignore the error value if ignore_ctl_error flag is set */ |
140 | #define filter_error(cval, err) \ | |
3360b84b | 141 | ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) |
5aeee342 | 142 | |
c3a3e040 JK |
143 | /* check whether the control should be ignored */ |
144 | static inline int | |
145 | check_ignored_ctl(const struct usbmix_name_map *p) | |
146 | { | |
147 | if (!p || p->name || p->dB) | |
1da177e4 | 148 | return 0; |
c3a3e040 JK |
149 | return 1; |
150 | } | |
151 | ||
152 | /* dB mapping */ | |
153 | static inline void check_mapped_dB(const struct usbmix_name_map *p, | |
154 | struct usb_mixer_elem_info *cval) | |
155 | { | |
156 | if (p && p->dB) { | |
157 | cval->dBmin = p->dB->min; | |
158 | cval->dBmax = p->dB->max; | |
38b65190 | 159 | cval->initialized = 1; |
1da177e4 | 160 | } |
1da177e4 LT |
161 | } |
162 | ||
8e062ec7 | 163 | /* get the mapped selector source name */ |
86e07d34 | 164 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
165 | int index, char *buf, int buflen) |
166 | { | |
167 | const struct usbmix_selector_map *p; | |
168 | ||
6bc170e4 | 169 | if (!state->selector_map) |
8e062ec7 CL |
170 | return 0; |
171 | for (p = state->selector_map; p->id; p++) { | |
172 | if (p->id == unitid && index < p->count) | |
173 | return strlcpy(buf, p->names[index], buflen); | |
174 | } | |
175 | return 0; | |
176 | } | |
177 | ||
1da177e4 LT |
178 | /* |
179 | * find an audio control unit with the given unit id | |
180 | */ | |
6bc170e4 DM |
181 | static void *find_audio_control_unit(struct mixer_build *state, |
182 | unsigned char unit) | |
1da177e4 | 183 | { |
67e1daa0 DM |
184 | /* we just parse the header */ |
185 | struct uac_feature_unit_descriptor *hdr = NULL; | |
186 | ||
187 | while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, | |
188 | USB_DT_CS_INTERFACE)) != NULL) { | |
189 | if (hdr->bLength >= 4 && | |
190 | hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && | |
9a2fe9b8 | 191 | hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && |
67e1daa0 DM |
192 | hdr->bUnitID == unit) |
193 | return hdr; | |
1da177e4 | 194 | } |
67e1daa0 | 195 | |
1da177e4 LT |
196 | return NULL; |
197 | } | |
198 | ||
1da177e4 LT |
199 | /* |
200 | * copy a string with the given id | |
201 | */ | |
eccfc1b8 | 202 | static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, |
6bc170e4 | 203 | int index, char *buf, int maxlen) |
1da177e4 | 204 | { |
eccfc1b8 | 205 | int len = usb_string(chip->dev, index, buf, maxlen - 1); |
251552a2 JK |
206 | |
207 | if (len < 0) | |
208 | return 0; | |
209 | ||
1da177e4 LT |
210 | buf[len] = 0; |
211 | return len; | |
212 | } | |
213 | ||
214 | /* | |
215 | * convert from the byte/word on usb descriptor to the zero-based integer | |
216 | */ | |
86e07d34 | 217 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
218 | { |
219 | switch (cval->val_type) { | |
220 | case USB_MIXER_BOOLEAN: | |
221 | return !!val; | |
222 | case USB_MIXER_INV_BOOLEAN: | |
223 | return !val; | |
224 | case USB_MIXER_U8: | |
225 | val &= 0xff; | |
226 | break; | |
227 | case USB_MIXER_S8: | |
228 | val &= 0xff; | |
229 | if (val >= 0x80) | |
230 | val -= 0x100; | |
231 | break; | |
232 | case USB_MIXER_U16: | |
233 | val &= 0xffff; | |
234 | break; | |
235 | case USB_MIXER_S16: | |
236 | val &= 0xffff; | |
237 | if (val >= 0x8000) | |
238 | val -= 0x10000; | |
239 | break; | |
240 | } | |
241 | return val; | |
242 | } | |
243 | ||
244 | /* | |
245 | * convert from the zero-based int to the byte/word for usb descriptor | |
246 | */ | |
86e07d34 | 247 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
248 | { |
249 | switch (cval->val_type) { | |
250 | case USB_MIXER_BOOLEAN: | |
251 | return !!val; | |
252 | case USB_MIXER_INV_BOOLEAN: | |
253 | return !val; | |
254 | case USB_MIXER_S8: | |
255 | case USB_MIXER_U8: | |
256 | return val & 0xff; | |
257 | case USB_MIXER_S16: | |
258 | case USB_MIXER_U16: | |
259 | return val & 0xffff; | |
260 | } | |
261 | return 0; /* not reached */ | |
262 | } | |
263 | ||
86e07d34 | 264 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 | 265 | { |
6bc170e4 | 266 | if (!cval->res) |
1da177e4 LT |
267 | cval->res = 1; |
268 | if (val < cval->min) | |
269 | return 0; | |
14790f1c TI |
270 | else if (val >= cval->max) |
271 | return (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
272 | else |
273 | return (val - cval->min) / cval->res; | |
274 | } | |
275 | ||
86e07d34 | 276 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
277 | { |
278 | if (val < 0) | |
279 | return cval->min; | |
6bc170e4 | 280 | if (!cval->res) |
1da177e4 LT |
281 | cval->res = 1; |
282 | val *= cval->res; | |
283 | val += cval->min; | |
284 | if (val > cval->max) | |
285 | return cval->max; | |
286 | return val; | |
287 | } | |
288 | ||
bc18e31c JS |
289 | static int uac2_ctl_value_size(int val_type) |
290 | { | |
291 | switch (val_type) { | |
292 | case USB_MIXER_S32: | |
293 | case USB_MIXER_U32: | |
294 | return 4; | |
295 | case USB_MIXER_S16: | |
296 | case USB_MIXER_U16: | |
297 | return 2; | |
298 | default: | |
299 | return 1; | |
300 | } | |
301 | return 0; /* unreachable */ | |
302 | } | |
303 | ||
1da177e4 LT |
304 | |
305 | /* | |
306 | * retrieve a mixer value | |
307 | */ | |
308 | ||
6bc170e4 DM |
309 | static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, |
310 | int validx, int *value_ret) | |
1da177e4 | 311 | { |
3360b84b | 312 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
1da177e4 LT |
313 | unsigned char buf[2]; |
314 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
315 | int timeout = 10; | |
978520b7 | 316 | int idx = 0, err; |
1da177e4 | 317 | |
47ab1545 | 318 | err = snd_usb_lock_shutdown(chip); |
88a8516a ON |
319 | if (err < 0) |
320 | return -EIO; | |
6bc170e4 | 321 | |
1da177e4 | 322 | while (timeout-- > 0) { |
3360b84b | 323 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); |
5a9a8eca SB |
324 | err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, |
325 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
326 | validx, idx, buf, val_len); | |
327 | if (err >= val_len) { | |
1da177e4 | 328 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
978520b7 TI |
329 | err = 0; |
330 | goto out; | |
5a9a8eca SB |
331 | } else if (err == -ETIMEDOUT) { |
332 | goto out; | |
1da177e4 LT |
333 | } |
334 | } | |
0ba41d91 TI |
335 | usb_audio_dbg(chip, |
336 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
337 | request, validx, idx, cval->val_type); | |
978520b7 TI |
338 | err = -EINVAL; |
339 | ||
340 | out: | |
47ab1545 | 341 | snd_usb_unlock_shutdown(chip); |
978520b7 | 342 | return err; |
1da177e4 LT |
343 | } |
344 | ||
6bc170e4 DM |
345 | static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, |
346 | int validx, int *value_ret) | |
23caaf19 | 347 | { |
3360b84b | 348 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
447cae58 KM |
349 | /* enough space for one range */ |
350 | unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; | |
23caaf19 | 351 | unsigned char *val; |
447cae58 | 352 | int idx = 0, ret, val_size, size; |
23caaf19 DM |
353 | __u8 bRequest; |
354 | ||
447cae58 KM |
355 | val_size = uac2_ctl_value_size(cval->val_type); |
356 | ||
e8bdb6bb DM |
357 | if (request == UAC_GET_CUR) { |
358 | bRequest = UAC2_CS_CUR; | |
447cae58 | 359 | size = val_size; |
e8bdb6bb DM |
360 | } else { |
361 | bRequest = UAC2_CS_RANGE; | |
447cae58 | 362 | size = sizeof(__u16) + 3 * val_size; |
e8bdb6bb DM |
363 | } |
364 | ||
365 | memset(buf, 0, sizeof(buf)); | |
23caaf19 | 366 | |
47ab1545 | 367 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; |
88a8516a ON |
368 | if (ret) |
369 | goto error; | |
370 | ||
47ab1545 TI |
371 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); |
372 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, | |
23caaf19 | 373 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
978520b7 | 374 | validx, idx, buf, size); |
47ab1545 | 375 | snd_usb_unlock_shutdown(chip); |
23caaf19 DM |
376 | |
377 | if (ret < 0) { | |
88a8516a | 378 | error: |
0ba41d91 TI |
379 | usb_audio_err(chip, |
380 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
381 | request, validx, idx, cval->val_type); | |
23caaf19 DM |
382 | return ret; |
383 | } | |
384 | ||
e8bdb6bb DM |
385 | /* FIXME: how should we handle multiple triplets here? */ |
386 | ||
23caaf19 DM |
387 | switch (request) { |
388 | case UAC_GET_CUR: | |
389 | val = buf; | |
390 | break; | |
391 | case UAC_GET_MIN: | |
392 | val = buf + sizeof(__u16); | |
393 | break; | |
394 | case UAC_GET_MAX: | |
447cae58 | 395 | val = buf + sizeof(__u16) + val_size; |
23caaf19 DM |
396 | break; |
397 | case UAC_GET_RES: | |
447cae58 | 398 | val = buf + sizeof(__u16) + val_size * 2; |
23caaf19 DM |
399 | break; |
400 | default: | |
401 | return -EINVAL; | |
402 | } | |
403 | ||
447cae58 KM |
404 | *value_ret = convert_signed_value(cval, |
405 | snd_usb_combine_bytes(val, val_size)); | |
23caaf19 DM |
406 | |
407 | return 0; | |
408 | } | |
409 | ||
6bc170e4 DM |
410 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, |
411 | int validx, int *value_ret) | |
23caaf19 | 412 | { |
9f814105 EZ |
413 | validx += cval->idx_off; |
414 | ||
3360b84b | 415 | return (cval->head.mixer->protocol == UAC_VERSION_1) ? |
23caaf19 DM |
416 | get_ctl_value_v1(cval, request, validx, value_ret) : |
417 | get_ctl_value_v2(cval, request, validx, value_ret); | |
418 | } | |
419 | ||
6bc170e4 DM |
420 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, |
421 | int validx, int *value) | |
1da177e4 | 422 | { |
de48c7bc | 423 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
1da177e4 LT |
424 | } |
425 | ||
426 | /* channel = 0: master, 1 = first channel */ | |
641b4879 TI |
427 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
428 | int channel, int *value) | |
1da177e4 | 429 | { |
6bc170e4 DM |
430 | return get_ctl_value(cval, UAC_GET_CUR, |
431 | (cval->control << 8) | channel, | |
432 | value); | |
1da177e4 LT |
433 | } |
434 | ||
eef90451 | 435 | int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, |
641b4879 TI |
436 | int channel, int index, int *value) |
437 | { | |
438 | int err; | |
439 | ||
440 | if (cval->cached & (1 << channel)) { | |
441 | *value = cval->cache_val[index]; | |
442 | return 0; | |
443 | } | |
444 | err = get_cur_mix_raw(cval, channel, value); | |
445 | if (err < 0) { | |
3360b84b TI |
446 | if (!cval->head.mixer->ignore_ctl_error) |
447 | usb_audio_dbg(cval->head.mixer->chip, | |
0ba41d91 | 448 | "cannot get current value for control %d ch %d: err = %d\n", |
6bc170e4 | 449 | cval->control, channel, err); |
641b4879 TI |
450 | return err; |
451 | } | |
452 | cval->cached |= 1 << channel; | |
453 | cval->cache_val[index] = *value; | |
454 | return 0; | |
455 | } | |
456 | ||
1da177e4 LT |
457 | /* |
458 | * set a mixer value | |
459 | */ | |
460 | ||
7b1eda22 DM |
461 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, |
462 | int request, int validx, int value_set) | |
1da177e4 | 463 | { |
3360b84b | 464 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
bc18e31c | 465 | unsigned char buf[4]; |
978520b7 | 466 | int idx = 0, val_len, err, timeout = 10; |
23caaf19 | 467 | |
9f814105 EZ |
468 | validx += cval->idx_off; |
469 | ||
9a2fe9b8 | 470 | |
3360b84b | 471 | if (cval->head.mixer->protocol == UAC_VERSION_1) { |
23caaf19 | 472 | val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
9a2fe9b8 | 473 | } else { /* UAC_VERSION_2/3 */ |
bc18e31c | 474 | val_len = uac2_ctl_value_size(cval->val_type); |
23caaf19 DM |
475 | |
476 | /* FIXME */ | |
477 | if (request != UAC_SET_CUR) { | |
0ba41d91 | 478 | usb_audio_dbg(chip, "RANGE setting not yet supported\n"); |
23caaf19 DM |
479 | return -EINVAL; |
480 | } | |
481 | ||
482 | request = UAC2_CS_CUR; | |
483 | } | |
1da177e4 LT |
484 | |
485 | value_set = convert_bytes_value(cval, value_set); | |
486 | buf[0] = value_set & 0xff; | |
487 | buf[1] = (value_set >> 8) & 0xff; | |
bc18e31c JS |
488 | buf[2] = (value_set >> 16) & 0xff; |
489 | buf[3] = (value_set >> 24) & 0xff; | |
47ab1545 TI |
490 | |
491 | err = snd_usb_lock_shutdown(chip); | |
88a8516a ON |
492 | if (err < 0) |
493 | return -EIO; | |
47ab1545 | 494 | |
978520b7 | 495 | while (timeout-- > 0) { |
3360b84b | 496 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); |
5a9a8eca SB |
497 | err = snd_usb_ctl_msg(chip->dev, |
498 | usb_sndctrlpipe(chip->dev, 0), request, | |
499 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
500 | validx, idx, buf, val_len); | |
501 | if (err >= 0) { | |
978520b7 TI |
502 | err = 0; |
503 | goto out; | |
5a9a8eca SB |
504 | } else if (err == -ETIMEDOUT) { |
505 | goto out; | |
88a8516a | 506 | } |
978520b7 | 507 | } |
0ba41d91 | 508 | usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
6bc170e4 | 509 | request, validx, idx, cval->val_type, buf[0], buf[1]); |
978520b7 TI |
510 | err = -EINVAL; |
511 | ||
512 | out: | |
47ab1545 | 513 | snd_usb_unlock_shutdown(chip); |
978520b7 | 514 | return err; |
1da177e4 LT |
515 | } |
516 | ||
6bc170e4 DM |
517 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, |
518 | int validx, int value) | |
1da177e4 | 519 | { |
7b1eda22 | 520 | return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); |
1da177e4 LT |
521 | } |
522 | ||
eef90451 | 523 | int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
641b4879 | 524 | int index, int value) |
1da177e4 | 525 | { |
641b4879 | 526 | int err; |
a6a33259 DM |
527 | unsigned int read_only = (channel == 0) ? |
528 | cval->master_readonly : | |
529 | cval->ch_readonly & (1 << (channel - 1)); | |
530 | ||
531 | if (read_only) { | |
3360b84b | 532 | usb_audio_dbg(cval->head.mixer->chip, |
0ba41d91 | 533 | "%s(): channel %d of control %d is read_only\n", |
a6a33259 DM |
534 | __func__, channel, cval->control); |
535 | return 0; | |
536 | } | |
537 | ||
6bc170e4 DM |
538 | err = snd_usb_mixer_set_ctl_value(cval, |
539 | UAC_SET_CUR, (cval->control << 8) | channel, | |
540 | value); | |
641b4879 TI |
541 | if (err < 0) |
542 | return err; | |
543 | cval->cached |= 1 << channel; | |
544 | cval->cache_val[index] = value; | |
545 | return 0; | |
1da177e4 LT |
546 | } |
547 | ||
7bc5ba7e TI |
548 | /* |
549 | * TLV callback for mixer volume controls | |
550 | */ | |
285de9c0 | 551 | int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, |
7bc5ba7e TI |
552 | unsigned int size, unsigned int __user *_tlv) |
553 | { | |
554 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
b8e1c73f | 555 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
7bc5ba7e TI |
556 | |
557 | if (size < sizeof(scale)) | |
558 | return -ENOMEM; | |
0f174b35 TI |
559 | if (cval->min_mute) |
560 | scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; | |
c3a3e040 JK |
561 | scale[2] = cval->dBmin; |
562 | scale[3] = cval->dBmax; | |
7bc5ba7e TI |
563 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
564 | return -EFAULT; | |
565 | return 0; | |
566 | } | |
1da177e4 LT |
567 | |
568 | /* | |
569 | * parser routines begin here... | |
570 | */ | |
571 | ||
86e07d34 | 572 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
573 | |
574 | ||
575 | /* | |
576 | * check if the input/output channel routing is enabled on the given bitmap. | |
577 | * used for mixer unit parser | |
578 | */ | |
6bc170e4 DM |
579 | static int check_matrix_bitmap(unsigned char *bmap, |
580 | int ich, int och, int num_outs) | |
1da177e4 LT |
581 | { |
582 | int idx = ich * num_outs + och; | |
583 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
584 | } | |
585 | ||
1da177e4 LT |
586 | /* |
587 | * add an alsa control element | |
588 | * search and increment the index until an empty slot is found. | |
589 | * | |
590 | * if failed, give up and free the control instance. | |
591 | */ | |
592 | ||
3360b84b | 593 | int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, |
ef9d5970 | 594 | struct snd_kcontrol *kctl) |
1da177e4 | 595 | { |
3360b84b | 596 | struct usb_mixer_interface *mixer = list->mixer; |
1da177e4 | 597 | int err; |
84957a8a | 598 | |
ef9d5970 | 599 | while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) |
1da177e4 | 600 | kctl->id.index++; |
f25ecf8f TI |
601 | err = snd_ctl_add(mixer->chip->card, kctl); |
602 | if (err < 0) { | |
6bc170e4 DM |
603 | usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", |
604 | err); | |
6639b6c2 | 605 | return err; |
1da177e4 | 606 | } |
3360b84b TI |
607 | list->kctl = kctl; |
608 | list->next_id_elem = mixer->id_elems[list->id]; | |
609 | mixer->id_elems[list->id] = list; | |
6639b6c2 | 610 | return 0; |
1da177e4 LT |
611 | } |
612 | ||
1da177e4 LT |
613 | /* |
614 | * get a terminal name string | |
615 | */ | |
616 | ||
617 | static struct iterm_name_combo { | |
618 | int type; | |
619 | char *name; | |
620 | } iterm_names[] = { | |
621 | { 0x0300, "Output" }, | |
622 | { 0x0301, "Speaker" }, | |
623 | { 0x0302, "Headphone" }, | |
624 | { 0x0303, "HMD Audio" }, | |
625 | { 0x0304, "Desktop Speaker" }, | |
626 | { 0x0305, "Room Speaker" }, | |
627 | { 0x0306, "Com Speaker" }, | |
628 | { 0x0307, "LFE" }, | |
629 | { 0x0600, "External In" }, | |
630 | { 0x0601, "Analog In" }, | |
631 | { 0x0602, "Digital In" }, | |
632 | { 0x0603, "Line" }, | |
633 | { 0x0604, "Legacy In" }, | |
634 | { 0x0605, "IEC958 In" }, | |
635 | { 0x0606, "1394 DA Stream" }, | |
636 | { 0x0607, "1394 DV Stream" }, | |
637 | { 0x0700, "Embedded" }, | |
638 | { 0x0701, "Noise Source" }, | |
639 | { 0x0702, "Equalization Noise" }, | |
640 | { 0x0703, "CD" }, | |
641 | { 0x0704, "DAT" }, | |
642 | { 0x0705, "DCC" }, | |
643 | { 0x0706, "MiniDisk" }, | |
644 | { 0x0707, "Analog Tape" }, | |
645 | { 0x0708, "Phonograph" }, | |
646 | { 0x0709, "VCR Audio" }, | |
647 | { 0x070a, "Video Disk Audio" }, | |
648 | { 0x070b, "DVD Audio" }, | |
649 | { 0x070c, "TV Tuner Audio" }, | |
650 | { 0x070d, "Satellite Rec Audio" }, | |
651 | { 0x070e, "Cable Tuner Audio" }, | |
652 | { 0x070f, "DSS Audio" }, | |
653 | { 0x0710, "Radio Receiver" }, | |
654 | { 0x0711, "Radio Transmitter" }, | |
655 | { 0x0712, "Multi-Track Recorder" }, | |
656 | { 0x0713, "Synthesizer" }, | |
657 | { 0 }, | |
658 | }; | |
659 | ||
eccfc1b8 | 660 | static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, |
1da177e4 LT |
661 | unsigned char *name, int maxlen, int term_only) |
662 | { | |
663 | struct iterm_name_combo *names; | |
56a23ee5 | 664 | int len; |
1da177e4 | 665 | |
56a23ee5 | 666 | if (iterm->name) { |
eccfc1b8 | 667 | len = snd_usb_copy_string_desc(chip, iterm->name, |
6bc170e4 | 668 | name, maxlen); |
56a23ee5 TI |
669 | if (len) |
670 | return len; | |
671 | } | |
1da177e4 LT |
672 | |
673 | /* virtual type - not a real terminal */ | |
674 | if (iterm->type >> 16) { | |
675 | if (term_only) | |
676 | return 0; | |
677 | switch (iterm->type >> 16) { | |
8b3a087f | 678 | case UAC3_SELECTOR_UNIT: |
6bc170e4 DM |
679 | strcpy(name, "Selector"); |
680 | return 8; | |
8b3a087f | 681 | case UAC3_PROCESSING_UNIT: |
6bc170e4 DM |
682 | strcpy(name, "Process Unit"); |
683 | return 12; | |
8b3a087f | 684 | case UAC3_EXTENSION_UNIT: |
6bc170e4 DM |
685 | strcpy(name, "Ext Unit"); |
686 | return 8; | |
8b3a087f | 687 | case UAC3_MIXER_UNIT: |
6bc170e4 DM |
688 | strcpy(name, "Mixer"); |
689 | return 5; | |
1da177e4 LT |
690 | default: |
691 | return sprintf(name, "Unit %d", iterm->id); | |
692 | } | |
693 | } | |
694 | ||
695 | switch (iterm->type & 0xff00) { | |
696 | case 0x0100: | |
6bc170e4 DM |
697 | strcpy(name, "PCM"); |
698 | return 3; | |
1da177e4 | 699 | case 0x0200: |
6bc170e4 DM |
700 | strcpy(name, "Mic"); |
701 | return 3; | |
1da177e4 | 702 | case 0x0400: |
6bc170e4 DM |
703 | strcpy(name, "Headset"); |
704 | return 7; | |
1da177e4 | 705 | case 0x0500: |
6bc170e4 DM |
706 | strcpy(name, "Phone"); |
707 | return 5; | |
1da177e4 LT |
708 | } |
709 | ||
6bc170e4 | 710 | for (names = iterm_names; names->type; names++) { |
1da177e4 LT |
711 | if (names->type == iterm->type) { |
712 | strcpy(name, names->name); | |
713 | return strlen(names->name); | |
714 | } | |
6bc170e4 DM |
715 | } |
716 | ||
1da177e4 LT |
717 | return 0; |
718 | } | |
719 | ||
6cfd839a JS |
720 | /* |
721 | * Get logical cluster information for UAC3 devices. | |
722 | */ | |
723 | static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) | |
724 | { | |
725 | struct uac3_cluster_header_descriptor c_header; | |
726 | int err; | |
727 | ||
728 | err = snd_usb_ctl_msg(state->chip->dev, | |
729 | usb_rcvctrlpipe(state->chip->dev, 0), | |
730 | UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, | |
731 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
732 | cluster_id, | |
733 | snd_usb_ctrl_intf(state->chip), | |
734 | &c_header, sizeof(c_header)); | |
735 | if (err < 0) | |
736 | goto error; | |
737 | if (err != sizeof(c_header)) { | |
738 | err = -EIO; | |
739 | goto error; | |
740 | } | |
741 | ||
742 | return c_header.bNrChannels; | |
743 | ||
744 | error: | |
745 | usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); | |
746 | return err; | |
747 | } | |
748 | ||
749 | /* | |
750 | * Get number of channels for a Mixer Unit. | |
751 | */ | |
752 | static int uac_mixer_unit_get_channels(struct mixer_build *state, | |
753 | struct uac_mixer_unit_descriptor *desc) | |
754 | { | |
755 | int mu_channels; | |
0bfe5e43 | 756 | void *c; |
6cfd839a | 757 | |
0bfe5e43 | 758 | if (desc->bLength < sizeof(*desc)) |
6cfd839a JS |
759 | return -EINVAL; |
760 | if (!desc->bNrInPins) | |
761 | return -EINVAL; | |
762 | ||
763 | switch (state->mixer->protocol) { | |
764 | case UAC_VERSION_1: | |
765 | case UAC_VERSION_2: | |
766 | default: | |
0bfe5e43 TI |
767 | if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) |
768 | return 0; /* no bmControls -> skip */ | |
6cfd839a JS |
769 | mu_channels = uac_mixer_unit_bNrChannels(desc); |
770 | break; | |
771 | case UAC_VERSION_3: | |
772 | mu_channels = get_cluster_channels_v3(state, | |
773 | uac3_mixer_unit_wClusterDescrID(desc)); | |
774 | break; | |
775 | } | |
776 | ||
777 | if (!mu_channels) | |
0bfe5e43 TI |
778 | return 0; |
779 | ||
780 | c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); | |
781 | if (c - (void *)desc + (mu_channels - 1) / 8 >= desc->bLength) | |
782 | return 0; /* no bmControls -> skip */ | |
6cfd839a JS |
783 | |
784 | return mu_channels; | |
785 | } | |
786 | ||
1da177e4 LT |
787 | /* |
788 | * parse the source unit recursively until it reaches to a terminal | |
789 | * or a branched unit. | |
790 | */ | |
6bc170e4 DM |
791 | static int check_input_term(struct mixer_build *state, int id, |
792 | struct usb_audio_term *term) | |
1da177e4 | 793 | { |
9a2fe9b8 | 794 | int protocol = state->mixer->protocol; |
09414207 | 795 | int err; |
23caaf19 | 796 | void *p1; |
1da177e4 LT |
797 | |
798 | memset(term, 0, sizeof(*term)); | |
799 | while ((p1 = find_audio_control_unit(state, id)) != NULL) { | |
23caaf19 | 800 | unsigned char *hdr = p1; |
1da177e4 | 801 | term->id = id; |
9a2fe9b8 RB |
802 | |
803 | if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) { | |
804 | switch (hdr[2]) { | |
805 | case UAC_INPUT_TERMINAL: | |
806 | if (protocol == UAC_VERSION_1) { | |
807 | struct uac_input_terminal_descriptor *d = p1; | |
808 | ||
809 | term->type = le16_to_cpu(d->wTerminalType); | |
810 | term->channels = d->bNrChannels; | |
811 | term->chconfig = le16_to_cpu(d->wChannelConfig); | |
812 | term->name = d->iTerminal; | |
813 | } else { /* UAC_VERSION_2 */ | |
814 | struct uac2_input_terminal_descriptor *d = p1; | |
815 | ||
816 | /* call recursively to verify that the | |
817 | * referenced clock entity is valid */ | |
818 | err = check_input_term(state, d->bCSourceID, term); | |
819 | if (err < 0) | |
820 | return err; | |
821 | ||
822 | /* save input term properties after recursion, | |
823 | * to ensure they are not overriden by the | |
824 | * recursion calls */ | |
825 | term->id = id; | |
826 | term->type = le16_to_cpu(d->wTerminalType); | |
827 | term->channels = d->bNrChannels; | |
828 | term->chconfig = le32_to_cpu(d->bmChannelConfig); | |
829 | term->name = d->iTerminal; | |
830 | } | |
831 | return 0; | |
832 | case UAC_FEATURE_UNIT: { | |
833 | /* the header is the same for v1 and v2 */ | |
834 | struct uac_feature_unit_descriptor *d = p1; | |
835 | ||
836 | id = d->bSourceID; | |
837 | break; /* continue to parse */ | |
838 | } | |
839 | case UAC_MIXER_UNIT: { | |
840 | struct uac_mixer_unit_descriptor *d = p1; | |
841 | ||
8b3a087f | 842 | term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ |
9a2fe9b8 RB |
843 | term->channels = uac_mixer_unit_bNrChannels(d); |
844 | term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); | |
845 | term->name = uac_mixer_unit_iMixer(d); | |
846 | return 0; | |
847 | } | |
848 | case UAC_SELECTOR_UNIT: | |
849 | case UAC2_CLOCK_SELECTOR: { | |
850 | struct uac_selector_unit_descriptor *d = p1; | |
851 | /* call recursively to retrieve the channel info */ | |
852 | err = check_input_term(state, d->baSourceID[0], term); | |
853 | if (err < 0) | |
854 | return err; | |
8b3a087f | 855 | term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ |
9a2fe9b8 RB |
856 | term->id = id; |
857 | term->name = uac_selector_unit_iSelector(d); | |
858 | return 0; | |
859 | } | |
860 | case UAC1_PROCESSING_UNIT: | |
8b3a087f JS |
861 | /* UAC2_EFFECT_UNIT */ |
862 | if (protocol == UAC_VERSION_1) | |
863 | term->type = UAC3_PROCESSING_UNIT << 16; /* virtual type */ | |
864 | else /* UAC_VERSION_2 */ | |
865 | term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ | |
91c6e15e | 866 | /* fall through */ |
9a2fe9b8 RB |
867 | case UAC1_EXTENSION_UNIT: |
868 | /* UAC2_PROCESSING_UNIT_V2 */ | |
8b3a087f JS |
869 | if (protocol == UAC_VERSION_1 && !term->type) |
870 | term->type = UAC3_EXTENSION_UNIT << 16; /* virtual type */ | |
871 | else if (protocol == UAC_VERSION_2 && !term->type) | |
872 | term->type = UAC3_PROCESSING_UNIT << 16; /* virtual type */ | |
91c6e15e | 873 | /* fall through */ |
9a2fe9b8 RB |
874 | case UAC2_EXTENSION_UNIT_V2: { |
875 | struct uac_processing_unit_descriptor *d = p1; | |
876 | ||
877 | if (protocol == UAC_VERSION_2 && | |
878 | hdr[2] == UAC2_EFFECT_UNIT) { | |
879 | /* UAC2/UAC1 unit IDs overlap here in an | |
880 | * uncompatible way. Ignore this unit for now. | |
881 | */ | |
882 | return 0; | |
883 | } | |
884 | ||
885 | if (d->bNrInPins) { | |
886 | id = d->baSourceID[0]; | |
887 | break; /* continue to parse */ | |
888 | } | |
8b3a087f JS |
889 | if (!term->type) |
890 | term->type = UAC3_EXTENSION_UNIT << 16; /* virtual type */ | |
891 | ||
9a2fe9b8 RB |
892 | term->channels = uac_processing_unit_bNrChannels(d); |
893 | term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); | |
894 | term->name = uac_processing_unit_iProcessing(d, protocol); | |
895 | return 0; | |
896 | } | |
897 | case UAC2_CLOCK_SOURCE: { | |
898 | struct uac_clock_source_descriptor *d = p1; | |
899 | ||
8b3a087f | 900 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ |
9a2fe9b8 RB |
901 | term->id = id; |
902 | term->name = d->iClockSource; | |
903 | return 0; | |
904 | } | |
905 | default: | |
906 | return -ENODEV; | |
907 | } | |
908 | } else { /* UAC_VERSION_3 */ | |
909 | switch (hdr[2]) { | |
910 | case UAC_INPUT_TERMINAL: { | |
911 | struct uac3_input_terminal_descriptor *d = p1; | |
09414207 | 912 | |
9430e547 JS |
913 | /* call recursively to verify that the |
914 | * referenced clock entity is valid */ | |
09414207 DM |
915 | err = check_input_term(state, d->bCSourceID, term); |
916 | if (err < 0) | |
917 | return err; | |
9430e547 JS |
918 | |
919 | /* save input term properties after recursion, | |
920 | * to ensure they are not overriden by the | |
921 | * recursion calls */ | |
922 | term->id = id; | |
923 | term->type = le16_to_cpu(d->wTerminalType); | |
9a2fe9b8 | 924 | |
71066945 JS |
925 | err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); |
926 | if (err < 0) | |
927 | return err; | |
928 | term->channels = err; | |
929 | ||
930 | /* REVISIT: UAC3 IT doesn't have channels cfg */ | |
9a2fe9b8 RB |
931 | term->chconfig = 0; |
932 | ||
933 | term->name = le16_to_cpu(d->wTerminalDescrStr); | |
5dae5fd2 EZ |
934 | return 0; |
935 | } | |
9a2fe9b8 RB |
936 | case UAC3_FEATURE_UNIT: { |
937 | struct uac3_feature_unit_descriptor *d = p1; | |
5dae5fd2 | 938 | |
9a2fe9b8 | 939 | id = d->bSourceID; |
1da177e4 LT |
940 | break; /* continue to parse */ |
941 | } | |
9a2fe9b8 RB |
942 | case UAC3_CLOCK_SOURCE: { |
943 | struct uac3_clock_source_descriptor *d = p1; | |
944 | ||
8b3a087f | 945 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ |
9a2fe9b8 RB |
946 | term->id = id; |
947 | term->name = le16_to_cpu(d->wClockSourceStr); | |
948 | return 0; | |
949 | } | |
6cfd839a JS |
950 | case UAC3_MIXER_UNIT: { |
951 | struct uac_mixer_unit_descriptor *d = p1; | |
952 | ||
953 | err = uac_mixer_unit_get_channels(state, d); | |
0bfe5e43 | 954 | if (err <= 0) |
6cfd839a JS |
955 | return err; |
956 | ||
957 | term->channels = err; | |
8b3a087f | 958 | term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ |
6cfd839a JS |
959 | |
960 | return 0; | |
961 | } | |
c77e1ef1 JS |
962 | case UAC3_SELECTOR_UNIT: |
963 | case UAC3_CLOCK_SELECTOR: { | |
964 | struct uac_selector_unit_descriptor *d = p1; | |
965 | /* call recursively to retrieve the channel info */ | |
966 | err = check_input_term(state, d->baSourceID[0], term); | |
967 | if (err < 0) | |
968 | return err; | |
8b3a087f | 969 | term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ |
c77e1ef1 JS |
970 | term->id = id; |
971 | term->name = 0; /* TODO: UAC3 Class-specific strings */ | |
972 | ||
973 | return 0; | |
974 | } | |
0f292f02 JS |
975 | case UAC3_PROCESSING_UNIT: { |
976 | struct uac_processing_unit_descriptor *d = p1; | |
977 | ||
978 | if (!d->bNrInPins) | |
979 | return -EINVAL; | |
980 | ||
981 | /* call recursively to retrieve the channel info */ | |
982 | err = check_input_term(state, d->baSourceID[0], term); | |
983 | if (err < 0) | |
984 | return err; | |
985 | ||
8b3a087f | 986 | term->type = UAC3_PROCESSING_UNIT << 16; /* virtual type */ |
0f292f02 JS |
987 | term->id = id; |
988 | term->name = 0; /* TODO: UAC3 Class-specific strings */ | |
989 | ||
990 | return 0; | |
991 | } | |
9a2fe9b8 RB |
992 | default: |
993 | return -ENODEV; | |
994 | } | |
1da177e4 LT |
995 | } |
996 | } | |
997 | return -ENODEV; | |
998 | } | |
999 | ||
1da177e4 LT |
1000 | /* |
1001 | * Feature Unit | |
1002 | */ | |
1003 | ||
1004 | /* feature unit control information */ | |
1005 | struct usb_feature_control_info { | |
21e9b3e9 | 1006 | int control; |
1da177e4 | 1007 | const char *name; |
bc18e31c JS |
1008 | int type; /* data type for uac1 */ |
1009 | int type_uac2; /* data type for uac2 if different from uac1, else -1 */ | |
1da177e4 LT |
1010 | }; |
1011 | ||
1012 | static struct usb_feature_control_info audio_feature_info[] = { | |
21e9b3e9 AC |
1013 | { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, |
1014 | { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, | |
1015 | { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, | |
1016 | { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, | |
1017 | { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, | |
1018 | { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ | |
1019 | { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, | |
1020 | { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, | |
1021 | { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, | |
1022 | { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, | |
2e0281d1 | 1023 | /* UAC2 specific */ |
21e9b3e9 AC |
1024 | { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, |
1025 | { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, | |
1026 | { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, | |
1da177e4 LT |
1027 | }; |
1028 | ||
1da177e4 | 1029 | /* private_free callback */ |
eef90451 | 1030 | void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 1031 | { |
4d572776 JJ |
1032 | kfree(kctl->private_data); |
1033 | kctl->private_data = NULL; | |
1da177e4 LT |
1034 | } |
1035 | ||
1da177e4 LT |
1036 | /* |
1037 | * interface to ALSA control for feature/mixer units | |
1038 | */ | |
1039 | ||
dcaaf9f2 TI |
1040 | /* volume control quirks */ |
1041 | static void volume_control_quirks(struct usb_mixer_elem_info *cval, | |
1042 | struct snd_kcontrol *kctl) | |
1043 | { | |
3360b84b | 1044 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
0ba41d91 | 1045 | switch (chip->usb_id) { |
d50ed624 | 1046 | case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ |
e9a25e04 | 1047 | case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ |
d50ed624 EZ |
1048 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
1049 | cval->min = 0x0000; | |
1050 | cval->max = 0xffff; | |
1051 | cval->res = 0x00e6; | |
1052 | break; | |
1053 | } | |
1054 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || | |
1055 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { | |
1056 | cval->min = 0x00; | |
1057 | cval->max = 0xff; | |
1058 | break; | |
1059 | } | |
1060 | if (strstr(kctl->id.name, "Effect Return") != NULL) { | |
1061 | cval->min = 0xb706; | |
1062 | cval->max = 0xff7b; | |
1063 | cval->res = 0x0073; | |
1064 | break; | |
1065 | } | |
1066 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || | |
1067 | (strstr(kctl->id.name, "Effect Send") != NULL)) { | |
1068 | cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ | |
1069 | cval->max = 0xfcfe; | |
1070 | cval->res = 0x0073; | |
1071 | } | |
1072 | break; | |
1073 | ||
d34bf148 FH |
1074 | case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ |
1075 | case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ | |
1076 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { | |
0ba41d91 TI |
1077 | usb_audio_info(chip, |
1078 | "set quirk for FTU Effect Duration\n"); | |
d34bf148 FH |
1079 | cval->min = 0x0000; |
1080 | cval->max = 0x7f00; | |
1081 | cval->res = 0x0100; | |
1082 | break; | |
1083 | } | |
1084 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || | |
1085 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { | |
0ba41d91 TI |
1086 | usb_audio_info(chip, |
1087 | "set quirks for FTU Effect Feedback/Volume\n"); | |
d34bf148 FH |
1088 | cval->min = 0x00; |
1089 | cval->max = 0x7f; | |
1090 | break; | |
1091 | } | |
1092 | break; | |
1093 | ||
21493316 FC |
1094 | case USB_ID(0x0d8c, 0x0103): |
1095 | if (!strcmp(kctl->id.name, "PCM Playback Volume")) { | |
1096 | usb_audio_info(chip, | |
1097 | "set volume quirk for CM102-A+/102S+\n"); | |
1098 | cval->min = -256; | |
1099 | } | |
1100 | break; | |
1101 | ||
dcaaf9f2 TI |
1102 | case USB_ID(0x0471, 0x0101): |
1103 | case USB_ID(0x0471, 0x0104): | |
1104 | case USB_ID(0x0471, 0x0105): | |
1105 | case USB_ID(0x0672, 0x1041): | |
1106 | /* quirk for UDA1321/N101. | |
1107 | * note that detection between firmware 2.1.1.7 (N101) | |
1108 | * and later 2.1.1.21 is not very clear from datasheets. | |
1109 | * I hope that the min value is -15360 for newer firmware --jk | |
1110 | */ | |
1111 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && | |
1112 | cval->min == -15616) { | |
0ba41d91 | 1113 | usb_audio_info(chip, |
dcaaf9f2 TI |
1114 | "set volume quirk for UDA1321/N101 chip\n"); |
1115 | cval->max = -256; | |
1116 | } | |
1117 | break; | |
1118 | ||
1119 | case USB_ID(0x046d, 0x09a4): | |
1120 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
0ba41d91 | 1121 | usb_audio_info(chip, |
dcaaf9f2 TI |
1122 | "set volume quirk for QuickCam E3500\n"); |
1123 | cval->min = 6080; | |
1124 | cval->max = 8768; | |
1125 | cval->res = 192; | |
1126 | } | |
1127 | break; | |
1128 | ||
e805ca8b | 1129 | case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ |
dcaaf9f2 TI |
1130 | case USB_ID(0x046d, 0x0808): |
1131 | case USB_ID(0x046d, 0x0809): | |
64559311 | 1132 | case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ |
36691e1b | 1133 | case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ |
55c0008b | 1134 | case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ |
11e7064f | 1135 | case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ |
140d37de | 1136 | case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ |
1ef9f058 | 1137 | case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ |
dcaaf9f2 | 1138 | case USB_ID(0x046d, 0x0991): |
82ffb6fc | 1139 | case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ |
dcaaf9f2 TI |
1140 | /* Most audio usb devices lie about volume resolution. |
1141 | * Most Logitech webcams have res = 384. | |
82ffb6fc | 1142 | * Probably there is some logitech magic behind this number --fishor |
dcaaf9f2 TI |
1143 | */ |
1144 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
0ba41d91 | 1145 | usb_audio_info(chip, |
dcaaf9f2 TI |
1146 | "set resolution quirk: cval->res = 384\n"); |
1147 | cval->res = 384; | |
1148 | } | |
1149 | break; | |
dcaaf9f2 TI |
1150 | } |
1151 | } | |
1152 | ||
1da177e4 LT |
1153 | /* |
1154 | * retrieve the minimum and maximum values for the specified control | |
1155 | */ | |
dcaaf9f2 TI |
1156 | static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, |
1157 | int default_min, struct snd_kcontrol *kctl) | |
1da177e4 LT |
1158 | { |
1159 | /* for failsafe */ | |
1160 | cval->min = default_min; | |
1161 | cval->max = cval->min + 1; | |
1162 | cval->res = 1; | |
c3a3e040 | 1163 | cval->dBmin = cval->dBmax = 0; |
1da177e4 LT |
1164 | |
1165 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1166 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
1167 | cval->initialized = 1; | |
1168 | } else { | |
1169 | int minchn = 0; | |
1170 | if (cval->cmask) { | |
1171 | int i; | |
1172 | for (i = 0; i < MAX_CHANNELS; i++) | |
1173 | if (cval->cmask & (1 << i)) { | |
1174 | minchn = i + 1; | |
1175 | break; | |
1176 | } | |
1177 | } | |
de48c7bc DM |
1178 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
1179 | get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
3360b84b | 1180 | usb_audio_err(cval->head.mixer->chip, |
0ba41d91 | 1181 | "%d:%d: cannot get min/max values for control %d (id %d)\n", |
3360b84b TI |
1182 | cval->head.id, snd_usb_ctrl_intf(cval->head.mixer->chip), |
1183 | cval->control, cval->head.id); | |
1da177e4 LT |
1184 | return -EINVAL; |
1185 | } | |
6bc170e4 DM |
1186 | if (get_ctl_value(cval, UAC_GET_RES, |
1187 | (cval->control << 8) | minchn, | |
1188 | &cval->res) < 0) { | |
1da177e4 LT |
1189 | cval->res = 1; |
1190 | } else { | |
1191 | int last_valid_res = cval->res; | |
1192 | ||
1193 | while (cval->res > 1) { | |
7b1eda22 | 1194 | if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, |
6bc170e4 DM |
1195 | (cval->control << 8) | minchn, |
1196 | cval->res / 2) < 0) | |
1da177e4 LT |
1197 | break; |
1198 | cval->res /= 2; | |
1199 | } | |
6bc170e4 DM |
1200 | if (get_ctl_value(cval, UAC_GET_RES, |
1201 | (cval->control << 8) | minchn, &cval->res) < 0) | |
1da177e4 LT |
1202 | cval->res = last_valid_res; |
1203 | } | |
1204 | if (cval->res == 0) | |
1205 | cval->res = 1; | |
14790f1c TI |
1206 | |
1207 | /* Additional checks for the proper resolution | |
1208 | * | |
1209 | * Some devices report smaller resolutions than actually | |
1210 | * reacting. They don't return errors but simply clip | |
1211 | * to the lower aligned value. | |
1212 | */ | |
1213 | if (cval->min + cval->res < cval->max) { | |
1214 | int last_valid_res = cval->res; | |
1215 | int saved, test, check; | |
641b4879 | 1216 | get_cur_mix_raw(cval, minchn, &saved); |
14790f1c TI |
1217 | for (;;) { |
1218 | test = saved; | |
1219 | if (test < cval->max) | |
1220 | test += cval->res; | |
1221 | else | |
1222 | test -= cval->res; | |
1223 | if (test < cval->min || test > cval->max || | |
eef90451 | 1224 | snd_usb_set_cur_mix_value(cval, minchn, 0, test) || |
641b4879 | 1225 | get_cur_mix_raw(cval, minchn, &check)) { |
14790f1c TI |
1226 | cval->res = last_valid_res; |
1227 | break; | |
1228 | } | |
1229 | if (test == check) | |
1230 | break; | |
1231 | cval->res *= 2; | |
1232 | } | |
eef90451 | 1233 | snd_usb_set_cur_mix_value(cval, minchn, 0, saved); |
14790f1c TI |
1234 | } |
1235 | ||
1da177e4 LT |
1236 | cval->initialized = 1; |
1237 | } | |
c3a3e040 | 1238 | |
dcaaf9f2 TI |
1239 | if (kctl) |
1240 | volume_control_quirks(cval, kctl); | |
1241 | ||
c3a3e040 JK |
1242 | /* USB descriptions contain the dB scale in 1/256 dB unit |
1243 | * while ALSA TLV contains in 1/100 dB unit | |
1244 | */ | |
1245 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; | |
1246 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; | |
1247 | if (cval->dBmin > cval->dBmax) { | |
1248 | /* something is wrong; assume it's either from/to 0dB */ | |
1249 | if (cval->dBmin < 0) | |
1250 | cval->dBmax = 0; | |
1251 | else if (cval->dBmin > 0) | |
1252 | cval->dBmin = 0; | |
1253 | if (cval->dBmin > cval->dBmax) { | |
1254 | /* totally crap, return an error */ | |
1255 | return -EINVAL; | |
1256 | } | |
1257 | } | |
1258 | ||
1da177e4 LT |
1259 | return 0; |
1260 | } | |
1261 | ||
dcaaf9f2 | 1262 | #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) |
1da177e4 LT |
1263 | |
1264 | /* get a feature/mixer unit info */ | |
6bc170e4 DM |
1265 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, |
1266 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 | 1267 | { |
86e07d34 | 1268 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1269 | |
1270 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1271 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
1272 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1273 | else | |
1274 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1275 | uinfo->count = cval->channels; | |
1276 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1277 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
1278 | uinfo->value.integer.min = 0; | |
1279 | uinfo->value.integer.max = 1; | |
1280 | } else { | |
9fcd0ab1 | 1281 | if (!cval->initialized) { |
dcaaf9f2 | 1282 | get_min_max_with_quirks(cval, 0, kcontrol); |
9fcd0ab1 TI |
1283 | if (cval->initialized && cval->dBmin >= cval->dBmax) { |
1284 | kcontrol->vd[0].access &= | |
1285 | ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1286 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); | |
3360b84b | 1287 | snd_ctl_notify(cval->head.mixer->chip->card, |
9fcd0ab1 TI |
1288 | SNDRV_CTL_EVENT_MASK_INFO, |
1289 | &kcontrol->id); | |
1290 | } | |
1291 | } | |
1da177e4 | 1292 | uinfo->value.integer.min = 0; |
14790f1c TI |
1293 | uinfo->value.integer.max = |
1294 | (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
1295 | } |
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | /* get the current value from feature/mixer unit */ | |
6bc170e4 DM |
1300 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, |
1301 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1302 | { |
86e07d34 | 1303 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1304 | int c, cnt, val, err; |
1305 | ||
641b4879 | 1306 | ucontrol->value.integer.value[0] = cval->min; |
1da177e4 LT |
1307 | if (cval->cmask) { |
1308 | cnt = 0; | |
1309 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
1310 | if (!(cval->cmask & (1 << c))) |
1311 | continue; | |
eef90451 | 1312 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); |
641b4879 | 1313 | if (err < 0) |
5aeee342 | 1314 | return filter_error(cval, err); |
641b4879 TI |
1315 | val = get_relative_value(cval, val); |
1316 | ucontrol->value.integer.value[cnt] = val; | |
1317 | cnt++; | |
1da177e4 | 1318 | } |
641b4879 | 1319 | return 0; |
1da177e4 LT |
1320 | } else { |
1321 | /* master channel */ | |
eef90451 | 1322 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); |
641b4879 | 1323 | if (err < 0) |
5aeee342 | 1324 | return filter_error(cval, err); |
1da177e4 LT |
1325 | val = get_relative_value(cval, val); |
1326 | ucontrol->value.integer.value[0] = val; | |
1327 | } | |
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | /* put the current value to feature/mixer unit */ | |
6bc170e4 DM |
1332 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, |
1333 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1334 | { |
86e07d34 | 1335 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1336 | int c, cnt, val, oval, err; |
1337 | int changed = 0; | |
1338 | ||
1339 | if (cval->cmask) { | |
1340 | cnt = 0; | |
1341 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
1342 | if (!(cval->cmask & (1 << c))) |
1343 | continue; | |
eef90451 | 1344 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); |
641b4879 | 1345 | if (err < 0) |
5aeee342 | 1346 | return filter_error(cval, err); |
641b4879 TI |
1347 | val = ucontrol->value.integer.value[cnt]; |
1348 | val = get_abs_value(cval, val); | |
1349 | if (oval != val) { | |
eef90451 | 1350 | snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); |
641b4879 | 1351 | changed = 1; |
1da177e4 | 1352 | } |
641b4879 | 1353 | cnt++; |
1da177e4 LT |
1354 | } |
1355 | } else { | |
1356 | /* master channel */ | |
eef90451 | 1357 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); |
1da177e4 | 1358 | if (err < 0) |
5aeee342 | 1359 | return filter_error(cval, err); |
1da177e4 LT |
1360 | val = ucontrol->value.integer.value[0]; |
1361 | val = get_abs_value(cval, val); | |
1362 | if (val != oval) { | |
eef90451 | 1363 | snd_usb_set_cur_mix_value(cval, 0, 0, val); |
1da177e4 LT |
1364 | changed = 1; |
1365 | } | |
1366 | } | |
1367 | return changed; | |
1368 | } | |
1369 | ||
568fa7e0 AC |
1370 | /* get the boolean value from the master channel of a UAC control */ |
1371 | static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, | |
1372 | struct snd_ctl_elem_value *ucontrol) | |
5a222e84 AC |
1373 | { |
1374 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
1375 | int val, err; | |
1376 | ||
1377 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); | |
1378 | if (err < 0) | |
1379 | return filter_error(cval, err); | |
1380 | val = (val != 0); | |
1381 | ucontrol->value.integer.value[0] = val; | |
1382 | return 0; | |
1383 | } | |
1384 | ||
1d38f5d8 JS |
1385 | /* get the connectors status and report it as boolean type */ |
1386 | static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, | |
1387 | struct snd_ctl_elem_value *ucontrol) | |
1388 | { | |
1389 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
1390 | struct snd_usb_audio *chip = cval->head.mixer->chip; | |
1391 | int idx = 0, validx, ret, val; | |
1392 | ||
1393 | validx = cval->control << 8 | 0; | |
1394 | ||
1395 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; | |
1396 | if (ret) | |
1397 | goto error; | |
1398 | ||
1399 | idx = snd_usb_ctrl_intf(chip) | (cval->head.id << 8); | |
1400 | if (cval->head.mixer->protocol == UAC_VERSION_2) { | |
1401 | struct uac2_connectors_ctl_blk uac2_conn; | |
1402 | ||
1403 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, | |
1404 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
1405 | validx, idx, &uac2_conn, sizeof(uac2_conn)); | |
1406 | val = !!uac2_conn.bNrChannels; | |
1407 | } else { /* UAC_VERSION_3 */ | |
1408 | struct uac3_insertion_ctl_blk uac3_conn; | |
1409 | ||
1410 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, | |
1411 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
1412 | validx, idx, &uac3_conn, sizeof(uac3_conn)); | |
1413 | val = !!uac3_conn.bmConInserted; | |
1414 | } | |
1415 | ||
1416 | snd_usb_unlock_shutdown(chip); | |
1417 | ||
1418 | if (ret < 0) { | |
1419 | error: | |
1420 | usb_audio_err(chip, | |
1421 | "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
1422 | UAC_GET_CUR, validx, idx, cval->val_type); | |
1423 | return ret; | |
1424 | } | |
1425 | ||
1426 | ucontrol->value.integer.value[0] = val; | |
1427 | return 0; | |
1428 | } | |
1429 | ||
86e07d34 | 1430 | static struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
1431 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1432 | .name = "", /* will be filled later manually */ | |
1433 | .info = mixer_ctl_feature_info, | |
1434 | .get = mixer_ctl_feature_get, | |
1435 | .put = mixer_ctl_feature_put, | |
1436 | }; | |
1437 | ||
23caaf19 | 1438 | /* the read-only variant */ |
8fdaebbb | 1439 | static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { |
23caaf19 DM |
1440 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1441 | .name = "", /* will be filled later manually */ | |
1442 | .info = mixer_ctl_feature_info, | |
1443 | .get = mixer_ctl_feature_get, | |
1444 | .put = NULL, | |
1445 | }; | |
1446 | ||
568fa7e0 AC |
1447 | /* |
1448 | * A control which shows the boolean value from reading a UAC control on | |
1449 | * the master channel. | |
1450 | */ | |
1451 | static struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { | |
5a222e84 AC |
1452 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1453 | .name = "", /* will be filled later manually */ | |
1454 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1455 | .info = snd_ctl_boolean_mono_info, | |
568fa7e0 | 1456 | .get = mixer_ctl_master_bool_get, |
5a222e84 AC |
1457 | .put = NULL, |
1458 | }; | |
1459 | ||
1d38f5d8 JS |
1460 | static const struct snd_kcontrol_new usb_connector_ctl_ro = { |
1461 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
1462 | .name = "", /* will be filled later manually */ | |
1463 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1464 | .info = snd_ctl_boolean_mono_info, | |
1465 | .get = mixer_ctl_connector_get, | |
1466 | .put = NULL, | |
1467 | }; | |
1468 | ||
6bc170e4 DM |
1469 | /* |
1470 | * This symbol is exported in order to allow the mixer quirks to | |
1471 | * hook up to the standard feature unit control mechanism | |
1472 | */ | |
9e38658f | 1473 | struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; |
1da177e4 LT |
1474 | |
1475 | /* | |
1476 | * build a feature control | |
1477 | */ | |
08d1e635 TI |
1478 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
1479 | { | |
1480 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); | |
1481 | } | |
1482 | ||
6bc170e4 DM |
1483 | /* |
1484 | * A lot of headsets/headphones have a "Speaker" mixer. Make sure we | |
1485 | * rename it to "Headphone". We determine if something is a headphone | |
1486 | * similar to how udev determines form factor. | |
1487 | */ | |
9b4ef977 DH |
1488 | static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, |
1489 | struct snd_card *card) | |
1490 | { | |
1491 | const char *names_to_check[] = { | |
1492 | "Headset", "headset", "Headphone", "headphone", NULL}; | |
1493 | const char **s; | |
e0f17c75 | 1494 | bool found = false; |
9b4ef977 DH |
1495 | |
1496 | if (strcmp("Speaker", kctl->id.name)) | |
1497 | return; | |
1498 | ||
1499 | for (s = names_to_check; *s; s++) | |
1500 | if (strstr(card->shortname, *s)) { | |
e0f17c75 | 1501 | found = true; |
9b4ef977 DH |
1502 | break; |
1503 | } | |
1504 | ||
1505 | if (!found) | |
1506 | return; | |
1507 | ||
1508 | strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); | |
1509 | } | |
1510 | ||
21e9b3e9 AC |
1511 | static struct usb_feature_control_info *get_feature_control_info(int control) |
1512 | { | |
1513 | int i; | |
1514 | ||
1515 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { | |
1516 | if (audio_feature_info[i].control == control) | |
1517 | return &audio_feature_info[i]; | |
1518 | } | |
1519 | return NULL; | |
1520 | } | |
1521 | ||
17156f23 RB |
1522 | static void __build_feature_ctl(struct usb_mixer_interface *mixer, |
1523 | const struct usbmix_name_map *imap, | |
1524 | unsigned int ctl_mask, int control, | |
1525 | struct usb_audio_term *iterm, | |
1526 | struct usb_audio_term *oterm, | |
1527 | int unitid, int nameid, int readonly_mask) | |
1da177e4 | 1528 | { |
bc18e31c | 1529 | struct usb_feature_control_info *ctl_info; |
1da177e4 LT |
1530 | unsigned int len = 0; |
1531 | int mapped_name = 0; | |
86e07d34 TI |
1532 | struct snd_kcontrol *kctl; |
1533 | struct usb_mixer_elem_info *cval; | |
c3a3e040 | 1534 | const struct usbmix_name_map *map; |
80acefff | 1535 | unsigned int range; |
1da177e4 | 1536 | |
65f25da4 | 1537 | if (control == UAC_FU_GRAPHIC_EQUALIZER) { |
1da177e4 LT |
1538 | /* FIXME: not supported yet */ |
1539 | return; | |
1540 | } | |
1541 | ||
17156f23 | 1542 | map = find_map(imap, unitid, control); |
c3a3e040 | 1543 | if (check_ignored_ctl(map)) |
1da177e4 LT |
1544 | return; |
1545 | ||
561b220a | 1546 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 1547 | if (!cval) |
1da177e4 | 1548 | return; |
17156f23 | 1549 | snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); |
1da177e4 LT |
1550 | cval->control = control; |
1551 | cval->cmask = ctl_mask; | |
21e9b3e9 AC |
1552 | |
1553 | ctl_info = get_feature_control_info(control); | |
62376025 CIK |
1554 | if (!ctl_info) { |
1555 | kfree(cval); | |
21e9b3e9 | 1556 | return; |
62376025 | 1557 | } |
17156f23 | 1558 | if (mixer->protocol == UAC_VERSION_1) |
bc18e31c JS |
1559 | cval->val_type = ctl_info->type; |
1560 | else /* UAC_VERSION_2 */ | |
1561 | cval->val_type = ctl_info->type_uac2 >= 0 ? | |
1562 | ctl_info->type_uac2 : ctl_info->type; | |
1563 | ||
a6a33259 | 1564 | if (ctl_mask == 0) { |
1da177e4 | 1565 | cval->channels = 1; /* master channel */ |
a6a33259 DM |
1566 | cval->master_readonly = readonly_mask; |
1567 | } else { | |
1da177e4 LT |
1568 | int i, c = 0; |
1569 | for (i = 0; i < 16; i++) | |
1570 | if (ctl_mask & (1 << i)) | |
1571 | c++; | |
1572 | cval->channels = c; | |
a6a33259 | 1573 | cval->ch_readonly = readonly_mask; |
1da177e4 LT |
1574 | } |
1575 | ||
6bc170e4 DM |
1576 | /* |
1577 | * If all channels in the mask are marked read-only, make the control | |
eef90451 | 1578 | * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't |
6bc170e4 DM |
1579 | * issue write commands to read-only channels. |
1580 | */ | |
a6a33259 | 1581 | if (cval->channels == readonly_mask) |
23caaf19 DM |
1582 | kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); |
1583 | else | |
1584 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1585 | ||
6bc170e4 | 1586 | if (!kctl) { |
17156f23 | 1587 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
1da177e4 LT |
1588 | kfree(cval); |
1589 | return; | |
1590 | } | |
eef90451 | 1591 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 1592 | |
c3a3e040 | 1593 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 | 1594 | mapped_name = len != 0; |
6bc170e4 | 1595 | if (!len && nameid) |
17156f23 | 1596 | len = snd_usb_copy_string_desc(mixer->chip, nameid, |
c3a3e040 | 1597 | kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1598 | |
1599 | switch (control) { | |
65f25da4 DM |
1600 | case UAC_FU_MUTE: |
1601 | case UAC_FU_VOLUME: | |
6bc170e4 DM |
1602 | /* |
1603 | * determine the control name. the rule is: | |
1da177e4 LT |
1604 | * - if a name id is given in descriptor, use it. |
1605 | * - if the connected input can be determined, then use the name | |
1606 | * of terminal type. | |
1607 | * - if the connected output can be determined, use it. | |
1608 | * - otherwise, anonymous name. | |
1609 | */ | |
6bc170e4 | 1610 | if (!len) { |
17156f23 RB |
1611 | if (iterm) |
1612 | len = get_term_name(mixer->chip, iterm, | |
1613 | kctl->id.name, | |
1614 | sizeof(kctl->id.name), 1); | |
1615 | if (!len && oterm) | |
1616 | len = get_term_name(mixer->chip, oterm, | |
6bc170e4 DM |
1617 | kctl->id.name, |
1618 | sizeof(kctl->id.name), 1); | |
1619 | if (!len) | |
49fd46d2 DM |
1620 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
1621 | "Feature %d", unitid); | |
1da177e4 | 1622 | } |
9b4ef977 DH |
1623 | |
1624 | if (!mapped_name) | |
17156f23 | 1625 | check_no_speaker_on_headset(kctl, mixer->chip->card); |
9b4ef977 | 1626 | |
6bc170e4 DM |
1627 | /* |
1628 | * determine the stream direction: | |
1da177e4 LT |
1629 | * if the connected output is USB stream, then it's likely a |
1630 | * capture stream. otherwise it should be playback (hopefully :) | |
1631 | */ | |
17156f23 RB |
1632 | if (!mapped_name && oterm && !(oterm->type >> 16)) { |
1633 | if ((oterm->type & 0xff00) == 0x0100) | |
49fd46d2 | 1634 | append_ctl_name(kctl, " Capture"); |
6bc170e4 | 1635 | else |
49fd46d2 | 1636 | append_ctl_name(kctl, " Playback"); |
1da177e4 | 1637 | } |
65f25da4 | 1638 | append_ctl_name(kctl, control == UAC_FU_MUTE ? |
08d1e635 | 1639 | " Switch" : " Volume"); |
1da177e4 | 1640 | break; |
1da177e4 | 1641 | default: |
6bc170e4 | 1642 | if (!len) |
1da177e4 LT |
1643 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, |
1644 | sizeof(kctl->id.name)); | |
1645 | break; | |
1646 | } | |
1647 | ||
e182534d TI |
1648 | /* get min/max values */ |
1649 | get_min_max_with_quirks(cval, 0, kctl); | |
1650 | ||
1651 | if (control == UAC_FU_VOLUME) { | |
1652 | check_mapped_dB(map, cval); | |
1653 | if (cval->dBmin < cval->dBmax || !cval->initialized) { | |
1654 | kctl->tlv.c = snd_usb_mixer_vol_tlv; | |
1655 | kctl->vd[0].access |= | |
1656 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1657 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | |
1658 | } | |
1659 | } | |
1660 | ||
17156f23 | 1661 | snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); |
42e3121d | 1662 | |
80acefff | 1663 | range = (cval->max - cval->min) / cval->res; |
6bc170e4 DM |
1664 | /* |
1665 | * Are there devices with volume range more than 255? I use a bit more | |
80acefff OR |
1666 | * to be sure. 384 is a resolution magic number found on Logitech |
1667 | * devices. It will definitively catch all buggy Logitech devices. | |
1668 | */ | |
1669 | if (range > 384) { | |
17156f23 | 1670 | usb_audio_warn(mixer->chip, |
82c1cf0a | 1671 | "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", |
6bc170e4 | 1672 | range); |
17156f23 | 1673 | usb_audio_warn(mixer->chip, |
82c1cf0a | 1674 | "[%d] FU [%s] ch = %d, val = %d/%d/%d", |
3360b84b | 1675 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 | 1676 | cval->min, cval->max, cval->res); |
80acefff OR |
1677 | } |
1678 | ||
17156f23 | 1679 | usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |
3360b84b | 1680 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 | 1681 | cval->min, cval->max, cval->res); |
3360b84b | 1682 | snd_usb_mixer_add_control(&cval->head, kctl); |
1da177e4 LT |
1683 | } |
1684 | ||
17156f23 RB |
1685 | static void build_feature_ctl(struct mixer_build *state, void *raw_desc, |
1686 | unsigned int ctl_mask, int control, | |
1687 | struct usb_audio_term *iterm, int unitid, | |
1688 | int readonly_mask) | |
1689 | { | |
1690 | struct uac_feature_unit_descriptor *desc = raw_desc; | |
1691 | int nameid = uac_feature_unit_iFeature(desc); | |
1692 | ||
1693 | __build_feature_ctl(state->mixer, state->map, ctl_mask, control, | |
1694 | iterm, &state->oterm, unitid, nameid, readonly_mask); | |
1695 | } | |
1696 | ||
1697 | static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, | |
1698 | unsigned int ctl_mask, int control, int unitid, | |
1699 | const struct usbmix_name_map *badd_map) | |
1700 | { | |
1701 | __build_feature_ctl(mixer, badd_map, ctl_mask, control, | |
1702 | NULL, NULL, unitid, 0, 0); | |
1703 | } | |
1704 | ||
167e1fb1 | 1705 | static void get_connector_control_name(struct usb_mixer_interface *mixer, |
5a222e84 AC |
1706 | struct usb_audio_term *term, |
1707 | bool is_input, char *name, int name_size) | |
1708 | { | |
167e1fb1 | 1709 | int name_len = get_term_name(mixer->chip, term, name, name_size, 0); |
5a222e84 AC |
1710 | |
1711 | if (name_len == 0) | |
1712 | strlcpy(name, "Unknown", name_size); | |
1713 | ||
1714 | /* | |
1715 | * sound/core/ctljack.c has a convention of naming jack controls | |
1716 | * by ending in " Jack". Make it slightly more useful by | |
1717 | * indicating Input or Output after the terminal name. | |
1718 | */ | |
1719 | if (is_input) | |
1720 | strlcat(name, " - Input Jack", name_size); | |
1721 | else | |
1722 | strlcat(name, " - Output Jack", name_size); | |
1723 | } | |
1724 | ||
1725 | /* Build a mixer control for a UAC connector control (jack-detect) */ | |
167e1fb1 | 1726 | static void build_connector_control(struct usb_mixer_interface *mixer, |
5a222e84 AC |
1727 | struct usb_audio_term *term, bool is_input) |
1728 | { | |
1729 | struct snd_kcontrol *kctl; | |
1730 | struct usb_mixer_elem_info *cval; | |
1731 | ||
1732 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); | |
1733 | if (!cval) | |
1734 | return; | |
167e1fb1 | 1735 | snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); |
568fa7e0 | 1736 | /* |
1d38f5d8 JS |
1737 | * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the |
1738 | * number of channels connected. | |
1739 | * | |
1740 | * UAC3: The first byte specifies size of bitmap for the inserted controls. The | |
1741 | * following byte(s) specifies which connectors are inserted. | |
1742 | * | |
1743 | * This boolean ctl will simply report if any channels are connected | |
1744 | * or not. | |
568fa7e0 | 1745 | */ |
167e1fb1 | 1746 | if (mixer->protocol == UAC_VERSION_2) |
1d38f5d8 JS |
1747 | cval->control = UAC2_TE_CONNECTOR; |
1748 | else /* UAC_VERSION_3 */ | |
1749 | cval->control = UAC3_TE_INSERTION; | |
1750 | ||
5a222e84 AC |
1751 | cval->val_type = USB_MIXER_BOOLEAN; |
1752 | cval->channels = 1; /* report true if any channel is connected */ | |
1753 | cval->min = 0; | |
1754 | cval->max = 1; | |
1d38f5d8 | 1755 | kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); |
5a222e84 | 1756 | if (!kctl) { |
167e1fb1 | 1757 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
5a222e84 AC |
1758 | kfree(cval); |
1759 | return; | |
1760 | } | |
167e1fb1 | 1761 | get_connector_control_name(mixer, term, is_input, kctl->id.name, |
5a222e84 AC |
1762 | sizeof(kctl->id.name)); |
1763 | kctl->private_free = snd_usb_mixer_elem_free; | |
1764 | snd_usb_mixer_add_control(&cval->head, kctl); | |
1765 | } | |
1766 | ||
cddaafb9 DM |
1767 | static int parse_clock_source_unit(struct mixer_build *state, int unitid, |
1768 | void *_ftr) | |
1769 | { | |
1770 | struct uac_clock_source_descriptor *hdr = _ftr; | |
1771 | struct usb_mixer_elem_info *cval; | |
1772 | struct snd_kcontrol *kctl; | |
1773 | char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; | |
1774 | int ret; | |
1775 | ||
1776 | if (state->mixer->protocol != UAC_VERSION_2) | |
1777 | return -EINVAL; | |
1778 | ||
1779 | if (hdr->bLength != sizeof(*hdr)) { | |
1780 | usb_audio_dbg(state->chip, | |
1781 | "Bogus clock source descriptor length of %d, ignoring.\n", | |
1782 | hdr->bLength); | |
1783 | return 0; | |
1784 | } | |
1785 | ||
1786 | /* | |
1787 | * The only property of this unit we are interested in is the | |
1788 | * clock source validity. If that isn't readable, just bail out. | |
1789 | */ | |
9a2fe9b8 | 1790 | if (!uac_v2v3_control_is_readable(hdr->bmControls, |
21e9b3e9 | 1791 | UAC2_CS_CONTROL_CLOCK_VALID)) |
cddaafb9 DM |
1792 | return 0; |
1793 | ||
1794 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); | |
1795 | if (!cval) | |
1796 | return -ENOMEM; | |
1797 | ||
1798 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); | |
1799 | ||
1800 | cval->min = 0; | |
1801 | cval->max = 1; | |
1802 | cval->channels = 1; | |
1803 | cval->val_type = USB_MIXER_BOOLEAN; | |
1804 | cval->control = UAC2_CS_CONTROL_CLOCK_VALID; | |
1805 | ||
568fa7e0 AC |
1806 | cval->master_readonly = 1; |
1807 | /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ | |
1808 | kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); | |
cddaafb9 DM |
1809 | |
1810 | if (!kctl) { | |
1811 | kfree(cval); | |
1812 | return -ENOMEM; | |
1813 | } | |
1814 | ||
1815 | kctl->private_free = snd_usb_mixer_elem_free; | |
eccfc1b8 | 1816 | ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, |
cddaafb9 DM |
1817 | name, sizeof(name)); |
1818 | if (ret > 0) | |
1819 | snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1820 | "%s Validity", name); | |
1821 | else | |
1822 | snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1823 | "Clock Source %d Validity", hdr->bClockID); | |
1824 | ||
1825 | return snd_usb_mixer_add_control(&cval->head, kctl); | |
1826 | } | |
1827 | ||
1da177e4 LT |
1828 | /* |
1829 | * parse a feature unit | |
1830 | * | |
25985edc | 1831 | * most of controls are defined here. |
1da177e4 | 1832 | */ |
6bc170e4 DM |
1833 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, |
1834 | void *_ftr) | |
1da177e4 LT |
1835 | { |
1836 | int channels, i, j; | |
86e07d34 | 1837 | struct usb_audio_term iterm; |
36c346e1 | 1838 | unsigned int master_bits; |
1da177e4 | 1839 | int err, csize; |
23caaf19 DM |
1840 | struct uac_feature_unit_descriptor *hdr = _ftr; |
1841 | __u8 *bmaControls; | |
1842 | ||
1843 | if (state->mixer->protocol == UAC_VERSION_1) { | |
d937cd67 TI |
1844 | if (hdr->bLength < 7) { |
1845 | usb_audio_err(state->chip, | |
1846 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", | |
1847 | unitid); | |
1848 | return -EINVAL; | |
1849 | } | |
23caaf19 | 1850 | csize = hdr->bControlSize; |
3c02a6d9 | 1851 | if (!csize) { |
0ba41d91 | 1852 | usb_audio_dbg(state->chip, |
3c02a6d9 | 1853 | "unit %u: invalid bControlSize == 0\n", |
0ba41d91 | 1854 | unitid); |
60c961a9 NK |
1855 | return -EINVAL; |
1856 | } | |
23caaf19 DM |
1857 | channels = (hdr->bLength - 7) / csize - 1; |
1858 | bmaControls = hdr->bmaControls; | |
d56268fb | 1859 | if (hdr->bLength < 7 + csize) { |
0ba41d91 TI |
1860 | usb_audio_err(state->chip, |
1861 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", | |
1862 | unitid); | |
d56268fb CL |
1863 | return -EINVAL; |
1864 | } | |
9a2fe9b8 | 1865 | } else if (state->mixer->protocol == UAC_VERSION_2) { |
23caaf19 | 1866 | struct uac2_feature_unit_descriptor *ftr = _ftr; |
d937cd67 TI |
1867 | if (hdr->bLength < 6) { |
1868 | usb_audio_err(state->chip, | |
1869 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", | |
1870 | unitid); | |
1871 | return -EINVAL; | |
1872 | } | |
23caaf19 | 1873 | csize = 4; |
e8d0fee7 | 1874 | channels = (hdr->bLength - 6) / 4 - 1; |
23caaf19 | 1875 | bmaControls = ftr->bmaControls; |
d56268fb | 1876 | if (hdr->bLength < 6 + csize) { |
0ba41d91 TI |
1877 | usb_audio_err(state->chip, |
1878 | "unit %u: invalid UAC_FEATURE_UNIT descriptor\n", | |
1879 | unitid); | |
d56268fb CL |
1880 | return -EINVAL; |
1881 | } | |
9a2fe9b8 RB |
1882 | } else { /* UAC_VERSION_3 */ |
1883 | struct uac3_feature_unit_descriptor *ftr = _ftr; | |
1884 | ||
1885 | if (hdr->bLength < 7) { | |
1886 | usb_audio_err(state->chip, | |
1887 | "unit %u: invalid UAC3_FEATURE_UNIT descriptor\n", | |
1888 | unitid); | |
1889 | return -EINVAL; | |
1890 | } | |
1891 | csize = 4; | |
1892 | channels = (ftr->bLength - 7) / 4 - 1; | |
1893 | bmaControls = ftr->bmaControls; | |
1894 | if (hdr->bLength < 7 + csize) { | |
1895 | usb_audio_err(state->chip, | |
1896 | "unit %u: invalid UAC3_FEATURE_UNIT descriptor\n", | |
1897 | unitid); | |
1898 | return -EINVAL; | |
1899 | } | |
1da177e4 LT |
1900 | } |
1901 | ||
1902 | /* parse the source unit */ | |
f25ecf8f TI |
1903 | err = parse_audio_unit(state, hdr->bSourceID); |
1904 | if (err < 0) | |
1da177e4 LT |
1905 | return err; |
1906 | ||
1907 | /* determine the input source type and name */ | |
4d7b86c9 DM |
1908 | err = check_input_term(state, hdr->bSourceID, &iterm); |
1909 | if (err < 0) | |
1910 | return err; | |
1da177e4 | 1911 | |
23caaf19 | 1912 | master_bits = snd_usb_combine_bytes(bmaControls, csize); |
0c3cee57 JK |
1913 | /* master configuration quirks */ |
1914 | switch (state->chip->usb_id) { | |
1915 | case USB_ID(0x08bb, 0x2702): | |
0ba41d91 TI |
1916 | usb_audio_info(state->chip, |
1917 | "usbmixer: master volume quirk for PCM2702 chip\n"); | |
0c3cee57 | 1918 | /* disable non-functional volume control */ |
65f25da4 | 1919 | master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); |
0c3cee57 | 1920 | break; |
c1051439 | 1921 | case USB_ID(0x1130, 0xf211): |
0ba41d91 TI |
1922 | usb_audio_info(state->chip, |
1923 | "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); | |
c1051439 DH |
1924 | /* disable non-functional volume control */ |
1925 | channels = 0; | |
1926 | break; | |
1927 | ||
0c3cee57 | 1928 | } |
23caaf19 DM |
1929 | |
1930 | if (state->mixer->protocol == UAC_VERSION_1) { | |
1931 | /* check all control types */ | |
1932 | for (i = 0; i < 10; i++) { | |
1933 | unsigned int ch_bits = 0; | |
21e9b3e9 AC |
1934 | int control = audio_feature_info[i].control; |
1935 | ||
23caaf19 | 1936 | for (j = 0; j < channels; j++) { |
6bc170e4 DM |
1937 | unsigned int mask; |
1938 | ||
1939 | mask = snd_usb_combine_bytes(bmaControls + | |
1940 | csize * (j+1), csize); | |
23caaf19 DM |
1941 | if (mask & (1 << i)) |
1942 | ch_bits |= (1 << j); | |
1943 | } | |
1944 | /* audio class v1 controls are never read-only */ | |
6bc170e4 DM |
1945 | |
1946 | /* | |
1947 | * The first channel must be set | |
1948 | * (for ease of programming). | |
1949 | */ | |
1950 | if (ch_bits & 1) | |
21e9b3e9 | 1951 | build_feature_ctl(state, _ftr, ch_bits, control, |
6bc170e4 | 1952 | &iterm, unitid, 0); |
23caaf19 | 1953 | if (master_bits & (1 << i)) |
21e9b3e9 AC |
1954 | build_feature_ctl(state, _ftr, 0, control, |
1955 | &iterm, unitid, 0); | |
23caaf19 | 1956 | } |
9a2fe9b8 | 1957 | } else { /* UAC_VERSION_2/3 */ |
d09c06c6 | 1958 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { |
23caaf19 DM |
1959 | unsigned int ch_bits = 0; |
1960 | unsigned int ch_read_only = 0; | |
21e9b3e9 | 1961 | int control = audio_feature_info[i].control; |
23caaf19 DM |
1962 | |
1963 | for (j = 0; j < channels; j++) { | |
6bc170e4 DM |
1964 | unsigned int mask; |
1965 | ||
1966 | mask = snd_usb_combine_bytes(bmaControls + | |
1967 | csize * (j+1), csize); | |
21e9b3e9 | 1968 | if (uac_v2v3_control_is_readable(mask, control)) { |
23caaf19 | 1969 | ch_bits |= (1 << j); |
21e9b3e9 | 1970 | if (!uac_v2v3_control_is_writeable(mask, control)) |
23caaf19 DM |
1971 | ch_read_only |= (1 << j); |
1972 | } | |
1973 | } | |
1974 | ||
6bc170e4 DM |
1975 | /* |
1976 | * NOTE: build_feature_ctl() will mark the control | |
1977 | * read-only if all channels are marked read-only in | |
1978 | * the descriptors. Otherwise, the control will be | |
1979 | * reported as writeable, but the driver will not | |
1980 | * actually issue a write command for read-only | |
1981 | * channels. | |
1982 | */ | |
1983 | ||
1984 | /* | |
1985 | * The first channel must be set | |
1986 | * (for ease of programming). | |
1987 | */ | |
1988 | if (ch_bits & 1) | |
21e9b3e9 | 1989 | build_feature_ctl(state, _ftr, ch_bits, control, |
6bc170e4 | 1990 | &iterm, unitid, ch_read_only); |
21e9b3e9 | 1991 | if (uac_v2v3_control_is_readable(master_bits, control)) |
2de841ef TI |
1992 | build_feature_ctl(state, _ftr, 0, control, |
1993 | &iterm, unitid, | |
21e9b3e9 AC |
1994 | !uac_v2v3_control_is_writeable(master_bits, |
1995 | control)); | |
1da177e4 | 1996 | } |
1da177e4 LT |
1997 | } |
1998 | ||
1999 | return 0; | |
2000 | } | |
2001 | ||
1da177e4 LT |
2002 | /* |
2003 | * Mixer Unit | |
2004 | */ | |
2005 | ||
2006 | /* | |
2007 | * build a mixer unit control | |
2008 | * | |
2009 | * the callbacks are identical with feature unit. | |
2010 | * input channel number (zero based) is given in control field instead. | |
2011 | */ | |
99fc8645 DM |
2012 | static void build_mixer_unit_ctl(struct mixer_build *state, |
2013 | struct uac_mixer_unit_descriptor *desc, | |
6cfd839a JS |
2014 | int in_pin, int in_ch, int num_outs, |
2015 | int unitid, struct usb_audio_term *iterm) | |
1da177e4 | 2016 | { |
86e07d34 | 2017 | struct usb_mixer_elem_info *cval; |
1da177e4 | 2018 | unsigned int i, len; |
86e07d34 | 2019 | struct snd_kcontrol *kctl; |
c3a3e040 | 2020 | const struct usbmix_name_map *map; |
1da177e4 | 2021 | |
17156f23 | 2022 | map = find_map(state->map, unitid, 0); |
c3a3e040 | 2023 | if (check_ignored_ctl(map)) |
1da177e4 LT |
2024 | return; |
2025 | ||
561b220a | 2026 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
6bc170e4 | 2027 | if (!cval) |
1da177e4 LT |
2028 | return; |
2029 | ||
3360b84b | 2030 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2031 | cval->control = in_ch + 1; /* based on 1 */ |
2032 | cval->val_type = USB_MIXER_S16; | |
2033 | for (i = 0; i < num_outs; i++) { | |
6bc170e4 DM |
2034 | __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); |
2035 | ||
2036 | if (check_matrix_bitmap(c, in_ch, i, num_outs)) { | |
1da177e4 LT |
2037 | cval->cmask |= (1 << i); |
2038 | cval->channels++; | |
2039 | } | |
2040 | } | |
2041 | ||
2042 | /* get min/max values */ | |
2043 | get_min_max(cval, 0); | |
2044 | ||
2045 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
6bc170e4 | 2046 | if (!kctl) { |
0ba41d91 | 2047 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
1da177e4 LT |
2048 | kfree(cval); |
2049 | return; | |
2050 | } | |
eef90451 | 2051 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 2052 | |
c3a3e040 | 2053 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
6bc170e4 | 2054 | if (!len) |
eccfc1b8 | 2055 | len = get_term_name(state->chip, iterm, kctl->id.name, |
6bc170e4 DM |
2056 | sizeof(kctl->id.name), 0); |
2057 | if (!len) | |
1da177e4 | 2058 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); |
08d1e635 | 2059 | append_ctl_name(kctl, " Volume"); |
1da177e4 | 2060 | |
0ba41d91 | 2061 | usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", |
3360b84b TI |
2062 | cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); |
2063 | snd_usb_mixer_add_control(&cval->head, kctl); | |
1da177e4 LT |
2064 | } |
2065 | ||
5a222e84 AC |
2066 | static int parse_audio_input_terminal(struct mixer_build *state, int unitid, |
2067 | void *raw_desc) | |
2068 | { | |
2069 | struct usb_audio_term iterm; | |
1d38f5d8 | 2070 | unsigned int control, bmctls, term_id; |
5a222e84 | 2071 | |
5a222e84 | 2072 | if (state->mixer->protocol == UAC_VERSION_2) { |
1d38f5d8 | 2073 | struct uac2_input_terminal_descriptor *d_v2 = raw_desc; |
3e96d728 TI |
2074 | if (d_v2->bLength < sizeof(*d_v2)) |
2075 | return -EINVAL; | |
1d38f5d8 JS |
2076 | control = UAC2_TE_CONNECTOR; |
2077 | term_id = d_v2->bTerminalID; | |
2078 | bmctls = le16_to_cpu(d_v2->bmControls); | |
2079 | } else if (state->mixer->protocol == UAC_VERSION_3) { | |
2080 | struct uac3_input_terminal_descriptor *d_v3 = raw_desc; | |
3e96d728 TI |
2081 | if (d_v3->bLength < sizeof(*d_v3)) |
2082 | return -EINVAL; | |
1d38f5d8 JS |
2083 | control = UAC3_TE_INSERTION; |
2084 | term_id = d_v3->bTerminalID; | |
2085 | bmctls = le32_to_cpu(d_v3->bmControls); | |
2086 | } else { | |
2087 | return 0; /* UAC1. No Insertion control */ | |
5a222e84 | 2088 | } |
1d38f5d8 JS |
2089 | |
2090 | check_input_term(state, term_id, &iterm); | |
2091 | ||
2092 | /* Check for jack detection. */ | |
2093 | if (uac_v2v3_control_is_readable(bmctls, control)) | |
167e1fb1 | 2094 | build_connector_control(state->mixer, &iterm, true); |
1d38f5d8 | 2095 | |
5a222e84 AC |
2096 | return 0; |
2097 | } | |
2098 | ||
1da177e4 LT |
2099 | /* |
2100 | * parse a mixer unit | |
2101 | */ | |
6bc170e4 DM |
2102 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, |
2103 | void *raw_desc) | |
1da177e4 | 2104 | { |
99fc8645 | 2105 | struct uac_mixer_unit_descriptor *desc = raw_desc; |
86e07d34 | 2106 | struct usb_audio_term iterm; |
1da177e4 LT |
2107 | int input_pins, num_ins, num_outs; |
2108 | int pin, ich, err; | |
2109 | ||
6cfd839a JS |
2110 | err = uac_mixer_unit_get_channels(state, desc); |
2111 | if (err < 0) { | |
6bc170e4 DM |
2112 | usb_audio_err(state->chip, |
2113 | "invalid MIXER UNIT descriptor %d\n", | |
2114 | unitid); | |
6cfd839a | 2115 | return err; |
1da177e4 | 2116 | } |
1da177e4 | 2117 | |
6cfd839a JS |
2118 | num_outs = err; |
2119 | input_pins = desc->bNrInPins; | |
2120 | ||
1da177e4 LT |
2121 | num_ins = 0; |
2122 | ich = 0; | |
2123 | for (pin = 0; pin < input_pins; pin++) { | |
99fc8645 | 2124 | err = parse_audio_unit(state, desc->baSourceID[pin]); |
1da177e4 | 2125 | if (err < 0) |
284a8dd6 | 2126 | continue; |
ea114fc2 | 2127 | /* no bmControls field (e.g. Maya44) -> ignore */ |
0bfe5e43 | 2128 | if (!num_outs) |
ea114fc2 | 2129 | continue; |
99fc8645 | 2130 | err = check_input_term(state, desc->baSourceID[pin], &iterm); |
1da177e4 LT |
2131 | if (err < 0) |
2132 | return err; | |
2133 | num_ins += iterm.channels; | |
6bc170e4 | 2134 | for (; ich < num_ins; ich++) { |
1da177e4 LT |
2135 | int och, ich_has_controls = 0; |
2136 | ||
6bc170e4 DM |
2137 | for (och = 0; och < num_outs; och++) { |
2138 | __u8 *c = uac_mixer_unit_bmControls(desc, | |
2139 | state->mixer->protocol); | |
2140 | ||
2141 | if (check_matrix_bitmap(c, ich, och, num_outs)) { | |
1da177e4 LT |
2142 | ich_has_controls = 1; |
2143 | break; | |
2144 | } | |
2145 | } | |
2146 | if (ich_has_controls) | |
6cfd839a | 2147 | build_mixer_unit_ctl(state, desc, pin, ich, num_outs, |
1da177e4 LT |
2148 | unitid, &iterm); |
2149 | } | |
2150 | } | |
2151 | return 0; | |
2152 | } | |
2153 | ||
1da177e4 LT |
2154 | /* |
2155 | * Processing Unit / Extension Unit | |
2156 | */ | |
2157 | ||
2158 | /* get callback for processing/extension unit */ | |
6bc170e4 DM |
2159 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, |
2160 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2161 | { |
86e07d34 | 2162 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2163 | int err, val; |
2164 | ||
2165 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
5aeee342 | 2166 | if (err < 0) { |
1da177e4 | 2167 | ucontrol->value.integer.value[0] = cval->min; |
5aeee342 | 2168 | return filter_error(cval, err); |
1da177e4 | 2169 | } |
1da177e4 LT |
2170 | val = get_relative_value(cval, val); |
2171 | ucontrol->value.integer.value[0] = val; | |
2172 | return 0; | |
2173 | } | |
2174 | ||
2175 | /* put callback for processing/extension unit */ | |
6bc170e4 DM |
2176 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, |
2177 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2178 | { |
86e07d34 | 2179 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2180 | int val, oval, err; |
2181 | ||
2182 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
5aeee342 TI |
2183 | if (err < 0) |
2184 | return filter_error(cval, err); | |
1da177e4 LT |
2185 | val = ucontrol->value.integer.value[0]; |
2186 | val = get_abs_value(cval, val); | |
2187 | if (val != oval) { | |
2188 | set_cur_ctl_value(cval, cval->control << 8, val); | |
2189 | return 1; | |
2190 | } | |
2191 | return 0; | |
2192 | } | |
2193 | ||
2194 | /* alsa control interface for processing/extension unit */ | |
8fdaebbb | 2195 | static const struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
2196 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
2197 | .name = "", /* will be filled later */ | |
2198 | .info = mixer_ctl_feature_info, | |
2199 | .get = mixer_ctl_procunit_get, | |
2200 | .put = mixer_ctl_procunit_put, | |
2201 | }; | |
2202 | ||
1da177e4 LT |
2203 | /* |
2204 | * predefined data for processing units | |
2205 | */ | |
2206 | struct procunit_value_info { | |
2207 | int control; | |
2208 | char *suffix; | |
2209 | int val_type; | |
2210 | int min_value; | |
2211 | }; | |
2212 | ||
2213 | struct procunit_info { | |
2214 | int type; | |
2215 | char *name; | |
2216 | struct procunit_value_info *values; | |
2217 | }; | |
2218 | ||
0f292f02 JS |
2219 | static struct procunit_value_info undefined_proc_info[] = { |
2220 | { 0x00, "Control Undefined", 0 }, | |
2221 | { 0 } | |
2222 | }; | |
2223 | ||
1da177e4 | 2224 | static struct procunit_value_info updown_proc_info[] = { |
65f25da4 DM |
2225 | { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2226 | { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
1da177e4 LT |
2227 | { 0 } |
2228 | }; | |
2229 | static struct procunit_value_info prologic_proc_info[] = { | |
65f25da4 DM |
2230 | { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2231 | { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
1da177e4 LT |
2232 | { 0 } |
2233 | }; | |
2234 | static struct procunit_value_info threed_enh_proc_info[] = { | |
65f25da4 DM |
2235 | { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2236 | { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1da177e4 LT |
2237 | { 0 } |
2238 | }; | |
2239 | static struct procunit_value_info reverb_proc_info[] = { | |
65f25da4 DM |
2240 | { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2241 | { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
2242 | { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
2243 | { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, | |
1da177e4 LT |
2244 | { 0 } |
2245 | }; | |
2246 | static struct procunit_value_info chorus_proc_info[] = { | |
65f25da4 DM |
2247 | { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2248 | { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
2249 | { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
2250 | { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1da177e4 LT |
2251 | { 0 } |
2252 | }; | |
2253 | static struct procunit_value_info dcr_proc_info[] = { | |
65f25da4 DM |
2254 | { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2255 | { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, | |
2256 | { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, | |
2257 | { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
2258 | { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, | |
2259 | { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, | |
1da177e4 LT |
2260 | { 0 } |
2261 | }; | |
2262 | ||
2263 | static struct procunit_info procunits[] = { | |
65f25da4 DM |
2264 | { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, |
2265 | { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
2266 | { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, | |
2267 | { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, | |
2268 | { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, | |
2269 | { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, | |
1da177e4 LT |
2270 | { 0 }, |
2271 | }; | |
0f292f02 JS |
2272 | |
2273 | static struct procunit_value_info uac3_updown_proc_info[] = { | |
2274 | { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
2275 | { 0 } | |
2276 | }; | |
2277 | static struct procunit_value_info uac3_stereo_ext_proc_info[] = { | |
2278 | { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, | |
2279 | { 0 } | |
2280 | }; | |
2281 | ||
2282 | static struct procunit_info uac3_procunits[] = { | |
2283 | { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, | |
2284 | { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, | |
2285 | { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, | |
2286 | { 0 }, | |
2287 | }; | |
2288 | ||
7d2b451e SK |
2289 | /* |
2290 | * predefined data for extension units | |
2291 | */ | |
2292 | static struct procunit_value_info clock_rate_xu_info[] = { | |
e213e9cf DM |
2293 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, |
2294 | { 0 } | |
7d2b451e SK |
2295 | }; |
2296 | static struct procunit_value_info clock_source_xu_info[] = { | |
2297 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, | |
2298 | { 0 } | |
2299 | }; | |
2300 | static struct procunit_value_info spdif_format_xu_info[] = { | |
2301 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, | |
2302 | { 0 } | |
2303 | }; | |
2304 | static struct procunit_value_info soft_limit_xu_info[] = { | |
2305 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, | |
2306 | { 0 } | |
2307 | }; | |
2308 | static struct procunit_info extunits[] = { | |
2309 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, | |
2310 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, | |
2311 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, | |
2312 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, | |
2313 | { 0 } | |
2314 | }; | |
6bc170e4 | 2315 | |
1da177e4 LT |
2316 | /* |
2317 | * build a processing/extension unit | |
2318 | */ | |
6bc170e4 DM |
2319 | static int build_audio_procunit(struct mixer_build *state, int unitid, |
2320 | void *raw_desc, struct procunit_info *list, | |
2321 | char *name) | |
1da177e4 | 2322 | { |
99fc8645 | 2323 | struct uac_processing_unit_descriptor *desc = raw_desc; |
f4351a19 | 2324 | int num_ins; |
86e07d34 TI |
2325 | struct usb_mixer_elem_info *cval; |
2326 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
2327 | int i, err, nameid, type, len; |
2328 | struct procunit_info *info; | |
2329 | struct procunit_value_info *valinfo; | |
c3a3e040 | 2330 | const struct usbmix_name_map *map; |
1da177e4 LT |
2331 | static struct procunit_value_info default_value_info[] = { |
2332 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, | |
2333 | { 0 } | |
2334 | }; | |
2335 | static struct procunit_info default_info = { | |
2336 | 0, NULL, default_value_info | |
2337 | }; | |
2338 | ||
f4351a19 TI |
2339 | if (desc->bLength < 13) { |
2340 | usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); | |
2341 | return -EINVAL; | |
2342 | } | |
2343 | ||
2344 | num_ins = desc->bNrInPins; | |
2345 | if (desc->bLength < 13 + num_ins || | |
23caaf19 | 2346 | desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, state->mixer->protocol)) { |
0ba41d91 | 2347 | usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); |
1da177e4 LT |
2348 | return -EINVAL; |
2349 | } | |
2350 | ||
2351 | for (i = 0; i < num_ins; i++) { | |
f25ecf8f TI |
2352 | err = parse_audio_unit(state, desc->baSourceID[i]); |
2353 | if (err < 0) | |
1da177e4 LT |
2354 | return err; |
2355 | } | |
2356 | ||
99fc8645 | 2357 | type = le16_to_cpu(desc->wProcessType); |
1da177e4 LT |
2358 | for (info = list; info && info->type; info++) |
2359 | if (info->type == type) | |
2360 | break; | |
6bc170e4 | 2361 | if (!info || !info->type) |
1da177e4 LT |
2362 | info = &default_info; |
2363 | ||
2364 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
23caaf19 | 2365 | __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); |
99fc8645 | 2366 | |
4e887af3 JS |
2367 | if (state->mixer->protocol == UAC_VERSION_1) { |
2368 | if (!(controls[valinfo->control / 8] & | |
2369 | (1 << ((valinfo->control % 8) - 1)))) | |
2370 | continue; | |
2371 | } else { /* UAC_VERSION_2/3 */ | |
2372 | if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], | |
2373 | valinfo->control)) | |
2374 | continue; | |
2375 | } | |
2376 | ||
17156f23 | 2377 | map = find_map(state->map, unitid, valinfo->control); |
c3a3e040 | 2378 | if (check_ignored_ctl(map)) |
1da177e4 | 2379 | continue; |
561b220a | 2380 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 2381 | if (!cval) |
1da177e4 | 2382 | return -ENOMEM; |
3360b84b | 2383 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2384 | cval->control = valinfo->control; |
2385 | cval->val_type = valinfo->val_type; | |
2386 | cval->channels = 1; | |
2387 | ||
4e887af3 JS |
2388 | if (state->mixer->protocol > UAC_VERSION_1 && |
2389 | !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], | |
2390 | valinfo->control)) | |
2391 | cval->master_readonly = 1; | |
2392 | ||
1da177e4 | 2393 | /* get min/max values */ |
55b8cb46 JS |
2394 | switch (type) { |
2395 | case UAC_PROCESS_UP_DOWNMIX: { | |
2396 | bool mode_sel = false; | |
2397 | ||
2398 | switch (state->mixer->protocol) { | |
2399 | case UAC_VERSION_1: | |
2400 | case UAC_VERSION_2: | |
2401 | default: | |
2402 | if (cval->control == UAC_UD_MODE_SELECT) | |
2403 | mode_sel = true; | |
2404 | break; | |
2405 | case UAC_VERSION_3: | |
2406 | if (cval->control == UAC3_UD_MODE_SELECT) | |
2407 | mode_sel = true; | |
2408 | break; | |
2409 | } | |
2410 | ||
2411 | if (mode_sel) { | |
2412 | __u8 *control_spec = uac_processing_unit_specific(desc, | |
2413 | state->mixer->protocol); | |
2414 | cval->min = 1; | |
2415 | cval->max = control_spec[0]; | |
7d2b451e SK |
2416 | cval->res = 1; |
2417 | cval->initialized = 1; | |
55b8cb46 JS |
2418 | break; |
2419 | } | |
2420 | ||
2421 | get_min_max(cval, valinfo->min_value); | |
2422 | break; | |
2423 | } | |
2424 | case USB_XU_CLOCK_RATE: | |
2425 | /* | |
2426 | * E-Mu USB 0404/0202/TrackerPre/0204 | |
2427 | * samplerate control quirk | |
2428 | */ | |
2429 | cval->min = 0; | |
2430 | cval->max = 5; | |
2431 | cval->res = 1; | |
2432 | cval->initialized = 1; | |
2433 | break; | |
2434 | default: | |
2435 | get_min_max(cval, valinfo->min_value); | |
2436 | break; | |
7d2b451e | 2437 | } |
1da177e4 LT |
2438 | |
2439 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); | |
6bc170e4 | 2440 | if (!kctl) { |
1da177e4 LT |
2441 | kfree(cval); |
2442 | return -ENOMEM; | |
2443 | } | |
eef90451 | 2444 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 2445 | |
6bc170e4 | 2446 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { |
c3a3e040 | 2447 | /* nothing */ ; |
6bc170e4 | 2448 | } else if (info->name) { |
1da177e4 | 2449 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); |
6bc170e4 | 2450 | } else { |
23caaf19 | 2451 | nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); |
1da177e4 LT |
2452 | len = 0; |
2453 | if (nameid) | |
eccfc1b8 RB |
2454 | len = snd_usb_copy_string_desc(state->chip, |
2455 | nameid, | |
6bc170e4 DM |
2456 | kctl->id.name, |
2457 | sizeof(kctl->id.name)); | |
2458 | if (!len) | |
1da177e4 LT |
2459 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); |
2460 | } | |
08d1e635 TI |
2461 | append_ctl_name(kctl, " "); |
2462 | append_ctl_name(kctl, valinfo->suffix); | |
1da177e4 | 2463 | |
0ba41d91 | 2464 | usb_audio_dbg(state->chip, |
6bc170e4 | 2465 | "[%d] PU [%s] ch = %d, val = %d/%d\n", |
3360b84b | 2466 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 DM |
2467 | cval->min, cval->max); |
2468 | ||
3360b84b | 2469 | err = snd_usb_mixer_add_control(&cval->head, kctl); |
6bc170e4 | 2470 | if (err < 0) |
1da177e4 LT |
2471 | return err; |
2472 | } | |
2473 | return 0; | |
2474 | } | |
2475 | ||
6bc170e4 DM |
2476 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, |
2477 | void *raw_desc) | |
1da177e4 | 2478 | { |
0f292f02 JS |
2479 | switch (state->mixer->protocol) { |
2480 | case UAC_VERSION_1: | |
2481 | case UAC_VERSION_2: | |
2482 | default: | |
2483 | return build_audio_procunit(state, unitid, raw_desc, | |
2484 | procunits, "Processing Unit"); | |
2485 | case UAC_VERSION_3: | |
2486 | return build_audio_procunit(state, unitid, raw_desc, | |
2487 | uac3_procunits, "Processing Unit"); | |
2488 | } | |
1da177e4 LT |
2489 | } |
2490 | ||
6bc170e4 DM |
2491 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, |
2492 | void *raw_desc) | |
1da177e4 | 2493 | { |
6bc170e4 DM |
2494 | /* |
2495 | * Note that we parse extension units with processing unit descriptors. | |
2496 | * That's ok as the layout is the same. | |
2497 | */ | |
2498 | return build_audio_procunit(state, unitid, raw_desc, | |
2499 | extunits, "Extension Unit"); | |
1da177e4 LT |
2500 | } |
2501 | ||
1da177e4 LT |
2502 | /* |
2503 | * Selector Unit | |
2504 | */ | |
2505 | ||
6bc170e4 DM |
2506 | /* |
2507 | * info callback for selector unit | |
1da177e4 LT |
2508 | * use an enumerator type for routing |
2509 | */ | |
6bc170e4 DM |
2510 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, |
2511 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 | 2512 | { |
86e07d34 | 2513 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
2a1803a7 | 2514 | const char **itemlist = (const char **)kcontrol->private_value; |
1da177e4 | 2515 | |
5e246b85 TI |
2516 | if (snd_BUG_ON(!itemlist)) |
2517 | return -EINVAL; | |
2a1803a7 | 2518 | return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); |
1da177e4 LT |
2519 | } |
2520 | ||
2521 | /* get callback for selector unit */ | |
6bc170e4 DM |
2522 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, |
2523 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2524 | { |
86e07d34 | 2525 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2526 | int val, err; |
2527 | ||
09414207 | 2528 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
1da177e4 | 2529 | if (err < 0) { |
5aeee342 TI |
2530 | ucontrol->value.enumerated.item[0] = 0; |
2531 | return filter_error(cval, err); | |
1da177e4 LT |
2532 | } |
2533 | val = get_relative_value(cval, val); | |
2534 | ucontrol->value.enumerated.item[0] = val; | |
2535 | return 0; | |
2536 | } | |
2537 | ||
2538 | /* put callback for selector unit */ | |
6bc170e4 DM |
2539 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, |
2540 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2541 | { |
86e07d34 | 2542 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2543 | int val, oval, err; |
2544 | ||
09414207 | 2545 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
5aeee342 TI |
2546 | if (err < 0) |
2547 | return filter_error(cval, err); | |
1da177e4 LT |
2548 | val = ucontrol->value.enumerated.item[0]; |
2549 | val = get_abs_value(cval, val); | |
2550 | if (val != oval) { | |
09414207 | 2551 | set_cur_ctl_value(cval, cval->control << 8, val); |
1da177e4 LT |
2552 | return 1; |
2553 | } | |
2554 | return 0; | |
2555 | } | |
2556 | ||
2557 | /* alsa control interface for selector unit */ | |
8fdaebbb | 2558 | static const struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
2559 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
2560 | .name = "", /* will be filled later */ | |
2561 | .info = mixer_ctl_selector_info, | |
2562 | .get = mixer_ctl_selector_get, | |
2563 | .put = mixer_ctl_selector_put, | |
2564 | }; | |
2565 | ||
6bc170e4 DM |
2566 | /* |
2567 | * private free callback. | |
1da177e4 LT |
2568 | * free both private_data and private_value |
2569 | */ | |
86e07d34 | 2570 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
2571 | { |
2572 | int i, num_ins = 0; | |
2573 | ||
2574 | if (kctl->private_data) { | |
86e07d34 | 2575 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 LT |
2576 | num_ins = cval->max; |
2577 | kfree(cval); | |
2578 | kctl->private_data = NULL; | |
2579 | } | |
2580 | if (kctl->private_value) { | |
2581 | char **itemlist = (char **)kctl->private_value; | |
2582 | for (i = 0; i < num_ins; i++) | |
2583 | kfree(itemlist[i]); | |
2584 | kfree(itemlist); | |
2585 | kctl->private_value = 0; | |
2586 | } | |
2587 | } | |
2588 | ||
2589 | /* | |
2590 | * parse a selector unit | |
2591 | */ | |
6bc170e4 DM |
2592 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, |
2593 | void *raw_desc) | |
1da177e4 | 2594 | { |
99fc8645 | 2595 | struct uac_selector_unit_descriptor *desc = raw_desc; |
1da177e4 LT |
2596 | unsigned int i, nameid, len; |
2597 | int err; | |
86e07d34 TI |
2598 | struct usb_mixer_elem_info *cval; |
2599 | struct snd_kcontrol *kctl; | |
c3a3e040 | 2600 | const struct usbmix_name_map *map; |
1da177e4 LT |
2601 | char **namelist; |
2602 | ||
f658f17b TI |
2603 | if (desc->bLength < 5 || !desc->bNrInPins || |
2604 | desc->bLength < 5 + desc->bNrInPins) { | |
0ba41d91 TI |
2605 | usb_audio_err(state->chip, |
2606 | "invalid SELECTOR UNIT descriptor %d\n", unitid); | |
1da177e4 LT |
2607 | return -EINVAL; |
2608 | } | |
2609 | ||
99fc8645 | 2610 | for (i = 0; i < desc->bNrInPins; i++) { |
f25ecf8f TI |
2611 | err = parse_audio_unit(state, desc->baSourceID[i]); |
2612 | if (err < 0) | |
1da177e4 LT |
2613 | return err; |
2614 | } | |
2615 | ||
99fc8645 | 2616 | if (desc->bNrInPins == 1) /* only one ? nonsense! */ |
1da177e4 LT |
2617 | return 0; |
2618 | ||
17156f23 | 2619 | map = find_map(state->map, unitid, 0); |
c3a3e040 | 2620 | if (check_ignored_ctl(map)) |
1da177e4 LT |
2621 | return 0; |
2622 | ||
561b220a | 2623 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 2624 | if (!cval) |
1da177e4 | 2625 | return -ENOMEM; |
3360b84b | 2626 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2627 | cval->val_type = USB_MIXER_U8; |
2628 | cval->channels = 1; | |
2629 | cval->min = 1; | |
99fc8645 | 2630 | cval->max = desc->bNrInPins; |
1da177e4 LT |
2631 | cval->res = 1; |
2632 | cval->initialized = 1; | |
2633 | ||
c77e1ef1 JS |
2634 | switch (state->mixer->protocol) { |
2635 | case UAC_VERSION_1: | |
2636 | default: | |
09414207 | 2637 | cval->control = 0; |
c77e1ef1 JS |
2638 | break; |
2639 | case UAC_VERSION_2: | |
2640 | case UAC_VERSION_3: | |
2641 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || | |
2642 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) | |
2643 | cval->control = UAC2_CX_CLOCK_SELECTOR; | |
2644 | else /* UAC2/3_SELECTOR_UNIT */ | |
2645 | cval->control = UAC2_SU_SELECTOR; | |
2646 | break; | |
2647 | } | |
09414207 | 2648 | |
6da2ec56 | 2649 | namelist = kmalloc_array(desc->bNrInPins, sizeof(char *), GFP_KERNEL); |
6bc170e4 | 2650 | if (!namelist) { |
1da177e4 LT |
2651 | kfree(cval); |
2652 | return -ENOMEM; | |
2653 | } | |
2654 | #define MAX_ITEM_NAME_LEN 64 | |
99fc8645 | 2655 | for (i = 0; i < desc->bNrInPins; i++) { |
86e07d34 | 2656 | struct usb_audio_term iterm; |
1da177e4 LT |
2657 | len = 0; |
2658 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); | |
6bc170e4 | 2659 | if (!namelist[i]) { |
7fbe3ca5 | 2660 | while (i--) |
1da177e4 LT |
2661 | kfree(namelist[i]); |
2662 | kfree(namelist); | |
2663 | kfree(cval); | |
2664 | return -ENOMEM; | |
2665 | } | |
8e062ec7 CL |
2666 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
2667 | MAX_ITEM_NAME_LEN); | |
99fc8645 | 2668 | if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) |
eccfc1b8 RB |
2669 | len = get_term_name(state->chip, &iterm, namelist[i], |
2670 | MAX_ITEM_NAME_LEN, 0); | |
1da177e4 | 2671 | if (! len) |
af831eef | 2672 | sprintf(namelist[i], "Input %u", i); |
1da177e4 LT |
2673 | } |
2674 | ||
2675 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
2676 | if (! kctl) { | |
0ba41d91 | 2677 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
878b4789 | 2678 | kfree(namelist); |
1da177e4 LT |
2679 | kfree(cval); |
2680 | return -ENOMEM; | |
2681 | } | |
2682 | kctl->private_value = (unsigned long)namelist; | |
2683 | kctl->private_free = usb_mixer_selector_elem_free; | |
2684 | ||
5a15f289 | 2685 | /* check the static mapping table at first */ |
c3a3e040 | 2686 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
89b89d12 | 2687 | if (!len) { |
5a15f289 | 2688 | /* no mapping ? */ |
c77e1ef1 JS |
2689 | switch (state->mixer->protocol) { |
2690 | case UAC_VERSION_1: | |
2691 | case UAC_VERSION_2: | |
2692 | default: | |
5a15f289 | 2693 | /* if iSelector is given, use it */ |
c77e1ef1 JS |
2694 | nameid = uac_selector_unit_iSelector(desc); |
2695 | if (nameid) | |
2696 | len = snd_usb_copy_string_desc(state->chip, | |
2697 | nameid, kctl->id.name, | |
2698 | sizeof(kctl->id.name)); | |
2699 | break; | |
2700 | case UAC_VERSION_3: | |
2701 | /* TODO: Class-Specific strings not yet supported */ | |
2702 | break; | |
2703 | } | |
2704 | ||
5a15f289 TI |
2705 | /* ... or pick up the terminal name at next */ |
2706 | if (!len) | |
eccfc1b8 | 2707 | len = get_term_name(state->chip, &state->oterm, |
1da177e4 | 2708 | kctl->id.name, sizeof(kctl->id.name), 0); |
5a15f289 | 2709 | /* ... or use the fixed string "USB" as the last resort */ |
6bc170e4 | 2710 | if (!len) |
1da177e4 LT |
2711 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); |
2712 | ||
5a15f289 | 2713 | /* and add the proper suffix */ |
c77e1ef1 JS |
2714 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || |
2715 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) | |
09414207 DM |
2716 | append_ctl_name(kctl, " Clock Source"); |
2717 | else if ((state->oterm.type & 0xff00) == 0x0100) | |
08d1e635 | 2718 | append_ctl_name(kctl, " Capture Source"); |
1da177e4 | 2719 | else |
08d1e635 | 2720 | append_ctl_name(kctl, " Playback Source"); |
1da177e4 LT |
2721 | } |
2722 | ||
0ba41d91 | 2723 | usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", |
3360b84b TI |
2724 | cval->head.id, kctl->id.name, desc->bNrInPins); |
2725 | return snd_usb_mixer_add_control(&cval->head, kctl); | |
1da177e4 LT |
2726 | } |
2727 | ||
1da177e4 LT |
2728 | /* |
2729 | * parse an audio unit recursively | |
2730 | */ | |
2731 | ||
86e07d34 | 2732 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
2733 | { |
2734 | unsigned char *p1; | |
9a2fe9b8 | 2735 | int protocol = state->mixer->protocol; |
1da177e4 LT |
2736 | |
2737 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
2738 | return 0; /* the unit already visited */ | |
2739 | ||
2740 | p1 = find_audio_control_unit(state, unitid); | |
2741 | if (!p1) { | |
0ba41d91 | 2742 | usb_audio_err(state->chip, "unit %d not found!\n", unitid); |
1da177e4 LT |
2743 | return -EINVAL; |
2744 | } | |
2745 | ||
9a2fe9b8 RB |
2746 | if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) { |
2747 | switch (p1[2]) { | |
2748 | case UAC_INPUT_TERMINAL: | |
5a222e84 | 2749 | return parse_audio_input_terminal(state, unitid, p1); |
9a2fe9b8 RB |
2750 | case UAC_MIXER_UNIT: |
2751 | return parse_audio_mixer_unit(state, unitid, p1); | |
2752 | case UAC2_CLOCK_SOURCE: | |
2753 | return parse_clock_source_unit(state, unitid, p1); | |
2754 | case UAC_SELECTOR_UNIT: | |
2755 | case UAC2_CLOCK_SELECTOR: | |
2756 | return parse_audio_selector_unit(state, unitid, p1); | |
2757 | case UAC_FEATURE_UNIT: | |
2758 | return parse_audio_feature_unit(state, unitid, p1); | |
2759 | case UAC1_PROCESSING_UNIT: | |
2760 | /* UAC2_EFFECT_UNIT has the same value */ | |
2761 | if (protocol == UAC_VERSION_1) | |
2762 | return parse_audio_processing_unit(state, unitid, p1); | |
2763 | else | |
2764 | return 0; /* FIXME - effect units not implemented yet */ | |
2765 | case UAC1_EXTENSION_UNIT: | |
2766 | /* UAC2_PROCESSING_UNIT_V2 has the same value */ | |
2767 | if (protocol == UAC_VERSION_1) | |
2768 | return parse_audio_extension_unit(state, unitid, p1); | |
2769 | else /* UAC_VERSION_2 */ | |
2770 | return parse_audio_processing_unit(state, unitid, p1); | |
2771 | case UAC2_EXTENSION_UNIT_V2: | |
23caaf19 | 2772 | return parse_audio_extension_unit(state, unitid, p1); |
9a2fe9b8 RB |
2773 | default: |
2774 | usb_audio_err(state->chip, | |
2775 | "unit %u: unexpected type 0x%02x\n", unitid, p1[2]); | |
2776 | return -EINVAL; | |
2777 | } | |
2778 | } else { /* UAC_VERSION_3 */ | |
2779 | switch (p1[2]) { | |
2780 | case UAC_INPUT_TERMINAL: | |
1d38f5d8 | 2781 | return parse_audio_input_terminal(state, unitid, p1); |
9a2fe9b8 RB |
2782 | case UAC3_MIXER_UNIT: |
2783 | return parse_audio_mixer_unit(state, unitid, p1); | |
2784 | case UAC3_CLOCK_SOURCE: | |
2785 | return parse_clock_source_unit(state, unitid, p1); | |
c77e1ef1 | 2786 | case UAC3_SELECTOR_UNIT: |
9a2fe9b8 RB |
2787 | case UAC3_CLOCK_SELECTOR: |
2788 | return parse_audio_selector_unit(state, unitid, p1); | |
2789 | case UAC3_FEATURE_UNIT: | |
2790 | return parse_audio_feature_unit(state, unitid, p1); | |
2791 | case UAC3_EFFECT_UNIT: | |
2792 | return 0; /* FIXME - effect units not implemented yet */ | |
2793 | case UAC3_PROCESSING_UNIT: | |
23caaf19 | 2794 | return parse_audio_processing_unit(state, unitid, p1); |
9a2fe9b8 RB |
2795 | case UAC3_EXTENSION_UNIT: |
2796 | return parse_audio_extension_unit(state, unitid, p1); | |
2797 | default: | |
2798 | usb_audio_err(state->chip, | |
2799 | "unit %u: unexpected type 0x%02x\n", unitid, p1[2]); | |
2800 | return -EINVAL; | |
2801 | } | |
1da177e4 LT |
2802 | } |
2803 | } | |
2804 | ||
84957a8a CL |
2805 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
2806 | { | |
124751d5 TI |
2807 | /* kill pending URBs */ |
2808 | snd_usb_mixer_disconnect(mixer); | |
2809 | ||
6639b6c2 CL |
2810 | kfree(mixer->id_elems); |
2811 | if (mixer->urb) { | |
2812 | kfree(mixer->urb->transfer_buffer); | |
2813 | usb_free_urb(mixer->urb); | |
2814 | } | |
68df9de1 | 2815 | usb_free_urb(mixer->rc_urb); |
b259b10c | 2816 | kfree(mixer->rc_setup_packet); |
84957a8a CL |
2817 | kfree(mixer); |
2818 | } | |
2819 | ||
86e07d34 | 2820 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
2821 | { |
2822 | struct usb_mixer_interface *mixer = device->device_data; | |
2823 | snd_usb_mixer_free(mixer); | |
2824 | return 0; | |
2825 | } | |
2826 | ||
17156f23 RB |
2827 | /* UAC3 predefined channels configuration */ |
2828 | struct uac3_badd_profile { | |
2829 | int subclass; | |
2830 | const char *name; | |
2831 | int c_chmask; /* capture channels mask */ | |
2832 | int p_chmask; /* playback channels mask */ | |
2833 | int st_chmask; /* side tone mixing channel mask */ | |
2834 | }; | |
2835 | ||
2836 | static struct uac3_badd_profile uac3_badd_profiles[] = { | |
2837 | { | |
2838 | /* | |
2839 | * BAIF, BAOF or combination of both | |
2840 | * IN: Mono or Stereo cfg, Mono alt possible | |
2841 | * OUT: Mono or Stereo cfg, Mono alt possible | |
2842 | */ | |
2843 | .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, | |
2844 | .name = "GENERIC IO", | |
2845 | .c_chmask = -1, /* dynamic channels */ | |
2846 | .p_chmask = -1, /* dynamic channels */ | |
2847 | }, | |
2848 | { | |
2849 | /* BAOF; Stereo only cfg, Mono alt possible */ | |
2850 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, | |
2851 | .name = "HEADPHONE", | |
2852 | .p_chmask = 3, | |
2853 | }, | |
2854 | { | |
2855 | /* BAOF; Mono or Stereo cfg, Mono alt possible */ | |
2856 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, | |
2857 | .name = "SPEAKER", | |
2858 | .p_chmask = -1, /* dynamic channels */ | |
2859 | }, | |
2860 | { | |
2861 | /* BAIF; Mono or Stereo cfg, Mono alt possible */ | |
2862 | .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, | |
2863 | .name = "MICROPHONE", | |
2864 | .c_chmask = -1, /* dynamic channels */ | |
2865 | }, | |
2866 | { | |
2867 | /* | |
2868 | * BAIOF topology | |
2869 | * IN: Mono only | |
2870 | * OUT: Mono or Stereo cfg, Mono alt possible | |
2871 | */ | |
2872 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, | |
2873 | .name = "HEADSET", | |
2874 | .c_chmask = 1, | |
2875 | .p_chmask = -1, /* dynamic channels */ | |
2876 | .st_chmask = 1, | |
2877 | }, | |
2878 | { | |
2879 | /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ | |
2880 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, | |
2881 | .name = "HEADSET ADAPTER", | |
2882 | .c_chmask = 1, | |
2883 | .p_chmask = 3, | |
2884 | .st_chmask = 1, | |
2885 | }, | |
2886 | { | |
2887 | /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ | |
2888 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, | |
2889 | .name = "SPEAKERPHONE", | |
2890 | .c_chmask = 1, | |
2891 | .p_chmask = 1, | |
2892 | }, | |
2893 | { 0 } /* terminator */ | |
2894 | }; | |
2895 | ||
2896 | static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, | |
2897 | struct uac3_badd_profile *f, | |
2898 | int c_chmask, int p_chmask) | |
2899 | { | |
2900 | /* | |
2901 | * If both playback/capture channels are dynamic, make sure | |
2902 | * at least one channel is present | |
2903 | */ | |
2904 | if (f->c_chmask < 0 && f->p_chmask < 0) { | |
2905 | if (!c_chmask && !p_chmask) { | |
2906 | usb_audio_warn(mixer->chip, "BAAD %s: no channels?", | |
2907 | f->name); | |
2908 | return false; | |
2909 | } | |
2910 | return true; | |
2911 | } | |
2912 | ||
2913 | if ((f->c_chmask < 0 && !c_chmask) || | |
2914 | (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { | |
2915 | usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", | |
2916 | f->name); | |
2917 | return false; | |
2918 | } | |
2919 | if ((f->p_chmask < 0 && !p_chmask) || | |
2920 | (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { | |
2921 | usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", | |
2922 | f->name); | |
2923 | return false; | |
2924 | } | |
2925 | return true; | |
2926 | } | |
2927 | ||
2928 | /* | |
2929 | * create mixer controls for UAC3 BADD profiles | |
2930 | * | |
2931 | * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything | |
2932 | * | |
2933 | * BADD device may contain Mixer Unit, which doesn't have any controls, skip it | |
2934 | */ | |
2935 | static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, | |
2936 | int ctrlif) | |
2937 | { | |
2938 | struct usb_device *dev = mixer->chip->dev; | |
2939 | struct usb_interface_assoc_descriptor *assoc; | |
2940 | int badd_profile = mixer->chip->badd_profile; | |
2941 | struct uac3_badd_profile *f; | |
2942 | const struct usbmix_ctl_map *map; | |
2943 | int p_chmask = 0, c_chmask = 0, st_chmask = 0; | |
2944 | int i; | |
2945 | ||
2946 | assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; | |
2947 | ||
2948 | /* Detect BADD capture/playback channels from AS EP descriptors */ | |
2949 | for (i = 0; i < assoc->bInterfaceCount; i++) { | |
2950 | int intf = assoc->bFirstInterface + i; | |
2951 | ||
2952 | struct usb_interface *iface; | |
2953 | struct usb_host_interface *alts; | |
2954 | struct usb_interface_descriptor *altsd; | |
2955 | unsigned int maxpacksize; | |
2956 | char dir_in; | |
2957 | int chmask, num; | |
2958 | ||
2959 | if (intf == ctrlif) | |
2960 | continue; | |
2961 | ||
2962 | iface = usb_ifnum_to_if(dev, intf); | |
2963 | num = iface->num_altsetting; | |
2964 | ||
2965 | if (num < 2) | |
2966 | return -EINVAL; | |
2967 | ||
2968 | /* | |
2969 | * The number of Channels in an AudioStreaming interface | |
2970 | * and the audio sample bit resolution (16 bits or 24 | |
2971 | * bits) can be derived from the wMaxPacketSize field in | |
2972 | * the Standard AS Audio Data Endpoint descriptor in | |
2973 | * Alternate Setting 1 | |
2974 | */ | |
2975 | alts = &iface->altsetting[1]; | |
2976 | altsd = get_iface_desc(alts); | |
2977 | ||
2978 | if (altsd->bNumEndpoints < 1) | |
2979 | return -EINVAL; | |
2980 | ||
2981 | /* check direction */ | |
2982 | dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); | |
2983 | maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); | |
2984 | ||
2985 | switch (maxpacksize) { | |
2986 | default: | |
2987 | usb_audio_err(mixer->chip, | |
2988 | "incorrect wMaxPacketSize 0x%x for BADD profile\n", | |
2989 | maxpacksize); | |
2990 | return -EINVAL; | |
2991 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: | |
2992 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: | |
2993 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: | |
2994 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: | |
2995 | chmask = 1; | |
2996 | break; | |
2997 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: | |
2998 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: | |
2999 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: | |
3000 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: | |
3001 | chmask = 3; | |
3002 | break; | |
3003 | } | |
3004 | ||
3005 | if (dir_in) | |
3006 | c_chmask = chmask; | |
3007 | else | |
3008 | p_chmask = chmask; | |
3009 | } | |
3010 | ||
3011 | usb_audio_dbg(mixer->chip, | |
3012 | "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", | |
3013 | badd_profile, c_chmask, p_chmask); | |
3014 | ||
3015 | /* check the mapping table */ | |
3016 | for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { | |
3017 | if (map->id == badd_profile) | |
3018 | break; | |
3019 | } | |
3020 | ||
3021 | if (!map->id) | |
3022 | return -EINVAL; | |
3023 | ||
3024 | for (f = uac3_badd_profiles; f->name; f++) { | |
3025 | if (badd_profile == f->subclass) | |
3026 | break; | |
3027 | } | |
3028 | if (!f->name) | |
3029 | return -EINVAL; | |
3030 | if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) | |
3031 | return -EINVAL; | |
3032 | st_chmask = f->st_chmask; | |
3033 | ||
3034 | /* Playback */ | |
3035 | if (p_chmask) { | |
3036 | /* Master channel, always writable */ | |
3037 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3038 | UAC3_BADD_FU_ID2, map->map); | |
3039 | /* Mono/Stereo volume channels, always writable */ | |
3040 | build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, | |
3041 | UAC3_BADD_FU_ID2, map->map); | |
3042 | } | |
3043 | ||
3044 | /* Capture */ | |
3045 | if (c_chmask) { | |
3046 | /* Master channel, always writable */ | |
3047 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3048 | UAC3_BADD_FU_ID5, map->map); | |
3049 | /* Mono/Stereo volume channels, always writable */ | |
3050 | build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, | |
3051 | UAC3_BADD_FU_ID5, map->map); | |
3052 | } | |
3053 | ||
3054 | /* Side tone-mixing */ | |
3055 | if (st_chmask) { | |
3056 | /* Master channel, always writable */ | |
3057 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3058 | UAC3_BADD_FU_ID7, map->map); | |
3059 | /* Mono volume channel, always writable */ | |
3060 | build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, | |
3061 | UAC3_BADD_FU_ID7, map->map); | |
3062 | } | |
3063 | ||
3528cd8f JS |
3064 | /* Insertion Control */ |
3065 | if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { | |
3066 | struct usb_audio_term iterm, oterm; | |
3067 | ||
3068 | /* Input Term - Insertion control */ | |
3069 | memset(&iterm, 0, sizeof(iterm)); | |
3070 | iterm.id = UAC3_BADD_IT_ID4; | |
3071 | iterm.type = UAC_BIDIR_TERMINAL_HEADSET; | |
3072 | build_connector_control(mixer, &iterm, true); | |
3073 | ||
3074 | /* Output Term - Insertion control */ | |
3075 | memset(&oterm, 0, sizeof(oterm)); | |
3076 | oterm.id = UAC3_BADD_OT_ID3; | |
3077 | oterm.type = UAC_BIDIR_TERMINAL_HEADSET; | |
3078 | build_connector_control(mixer, &oterm, false); | |
3079 | } | |
3080 | ||
17156f23 RB |
3081 | return 0; |
3082 | } | |
3083 | ||
1da177e4 LT |
3084 | /* |
3085 | * create mixer controls | |
3086 | * | |
de48c7bc | 3087 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
1da177e4 | 3088 | */ |
84957a8a | 3089 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 | 3090 | { |
86e07d34 | 3091 | struct mixer_build state; |
1da177e4 LT |
3092 | int err; |
3093 | const struct usbmix_ctl_map *map; | |
23caaf19 | 3094 | void *p; |
1da177e4 LT |
3095 | |
3096 | memset(&state, 0, sizeof(state)); | |
84957a8a CL |
3097 | state.chip = mixer->chip; |
3098 | state.mixer = mixer; | |
1faa5d07 DM |
3099 | state.buffer = mixer->hostif->extra; |
3100 | state.buflen = mixer->hostif->extralen; | |
1da177e4 LT |
3101 | |
3102 | /* check the mapping table */ | |
27d10f56 CL |
3103 | for (map = usbmix_ctl_maps; map->id; map++) { |
3104 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 3105 | state.map = map->map; |
8e062ec7 | 3106 | state.selector_map = map->selector_map; |
84957a8a | 3107 | mixer->ignore_ctl_error = map->ignore_ctl_error; |
1da177e4 LT |
3108 | break; |
3109 | } | |
3110 | } | |
1da177e4 | 3111 | |
23caaf19 | 3112 | p = NULL; |
6bc170e4 DM |
3113 | while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, |
3114 | mixer->hostif->extralen, | |
1faa5d07 | 3115 | p, UAC_OUTPUT_TERMINAL)) != NULL) { |
23caaf19 | 3116 | if (mixer->protocol == UAC_VERSION_1) { |
69da9bcb | 3117 | struct uac1_output_terminal_descriptor *desc = p; |
23caaf19 DM |
3118 | |
3119 | if (desc->bLength < sizeof(*desc)) | |
3120 | continue; /* invalid descriptor? */ | |
6bc170e4 DM |
3121 | /* mark terminal ID as visited */ |
3122 | set_bit(desc->bTerminalID, state.unitbitmap); | |
23caaf19 DM |
3123 | state.oterm.id = desc->bTerminalID; |
3124 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3125 | state.oterm.name = desc->iTerminal; | |
3126 | err = parse_audio_unit(&state, desc->bSourceID); | |
83ea5d18 | 3127 | if (err < 0 && err != -EINVAL) |
23caaf19 | 3128 | return err; |
9a2fe9b8 | 3129 | } else if (mixer->protocol == UAC_VERSION_2) { |
23caaf19 DM |
3130 | struct uac2_output_terminal_descriptor *desc = p; |
3131 | ||
3132 | if (desc->bLength < sizeof(*desc)) | |
3133 | continue; /* invalid descriptor? */ | |
6bc170e4 DM |
3134 | /* mark terminal ID as visited */ |
3135 | set_bit(desc->bTerminalID, state.unitbitmap); | |
23caaf19 DM |
3136 | state.oterm.id = desc->bTerminalID; |
3137 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3138 | state.oterm.name = desc->iTerminal; | |
3139 | err = parse_audio_unit(&state, desc->bSourceID); | |
83ea5d18 | 3140 | if (err < 0 && err != -EINVAL) |
23caaf19 | 3141 | return err; |
09414207 | 3142 | |
6bc170e4 DM |
3143 | /* |
3144 | * For UAC2, use the same approach to also add the | |
3145 | * clock selectors | |
3146 | */ | |
09414207 | 3147 | err = parse_audio_unit(&state, desc->bCSourceID); |
83ea5d18 | 3148 | if (err < 0 && err != -EINVAL) |
09414207 | 3149 | return err; |
5a222e84 | 3150 | |
2b54f785 | 3151 | if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), |
5a222e84 | 3152 | UAC2_TE_CONNECTOR)) { |
167e1fb1 | 3153 | build_connector_control(state.mixer, &state.oterm, |
5a222e84 AC |
3154 | false); |
3155 | } | |
9a2fe9b8 RB |
3156 | } else { /* UAC_VERSION_3 */ |
3157 | struct uac3_output_terminal_descriptor *desc = p; | |
3158 | ||
3159 | if (desc->bLength < sizeof(*desc)) | |
3160 | continue; /* invalid descriptor? */ | |
3161 | /* mark terminal ID as visited */ | |
3162 | set_bit(desc->bTerminalID, state.unitbitmap); | |
3163 | state.oterm.id = desc->bTerminalID; | |
3164 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3165 | state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); | |
3166 | err = parse_audio_unit(&state, desc->bSourceID); | |
3167 | if (err < 0 && err != -EINVAL) | |
3168 | return err; | |
3169 | ||
3170 | /* | |
3171 | * For UAC3, use the same approach to also add the | |
3172 | * clock selectors | |
3173 | */ | |
3174 | err = parse_audio_unit(&state, desc->bCSourceID); | |
3175 | if (err < 0 && err != -EINVAL) | |
3176 | return err; | |
1d38f5d8 JS |
3177 | |
3178 | if (uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), | |
3179 | UAC3_TE_INSERTION)) { | |
167e1fb1 | 3180 | build_connector_control(state.mixer, &state.oterm, |
1d38f5d8 JS |
3181 | false); |
3182 | } | |
23caaf19 | 3183 | } |
1da177e4 | 3184 | } |
23caaf19 | 3185 | |
1da177e4 LT |
3186 | return 0; |
3187 | } | |
84957a8a | 3188 | |
7b1eda22 | 3189 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) |
6639b6c2 | 3190 | { |
3360b84b | 3191 | struct usb_mixer_elem_list *list; |
6639b6c2 | 3192 | |
8c558076 | 3193 | for_each_mixer_elem(list, mixer, unitid) { |
b2500b58 | 3194 | struct usb_mixer_elem_info *info = |
8c558076 | 3195 | mixer_elem_list_to_info(list); |
b2500b58 JS |
3196 | /* invalidate cache, so the value is read from the device */ |
3197 | info->cached = 0; | |
6639b6c2 | 3198 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
3360b84b | 3199 | &list->kctl->id); |
b2500b58 | 3200 | } |
6639b6c2 CL |
3201 | } |
3202 | ||
ebfdeea3 | 3203 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
3360b84b | 3204 | struct usb_mixer_elem_list *list) |
ebfdeea3 | 3205 | { |
8c558076 | 3206 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
ebfdeea3 JK |
3207 | static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN", |
3208 | "S8", "U8", "S16", "U16"}; | |
ebfdeea3 | 3209 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " |
3360b84b | 3210 | "channels=%i, type=\"%s\"\n", cval->head.id, |
ebfdeea3 JK |
3211 | cval->control, cval->cmask, cval->channels, |
3212 | val_types[cval->val_type]); | |
3213 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", | |
3214 | cval->min, cval->max, cval->dBmin, cval->dBmax); | |
3215 | } | |
3216 | ||
3217 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, | |
3218 | struct snd_info_buffer *buffer) | |
3219 | { | |
3220 | struct snd_usb_audio *chip = entry->private_data; | |
3221 | struct usb_mixer_interface *mixer; | |
3360b84b | 3222 | struct usb_mixer_elem_list *list; |
ebfdeea3 JK |
3223 | int unitid; |
3224 | ||
3225 | list_for_each_entry(mixer, &chip->mixer_list, list) { | |
3226 | snd_iprintf(buffer, | |
7affdc17 | 3227 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
3d8d4dcf | 3228 | chip->usb_id, snd_usb_ctrl_intf(chip), |
7affdc17 | 3229 | mixer->ignore_ctl_error); |
ebfdeea3 JK |
3230 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
3231 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { | |
8c558076 | 3232 | for_each_mixer_elem(list, mixer, unitid) { |
3360b84b TI |
3233 | snd_iprintf(buffer, " Unit: %i\n", list->id); |
3234 | if (list->kctl) | |
3235 | snd_iprintf(buffer, | |
3236 | " Control: name=\"%s\", index=%i\n", | |
3237 | list->kctl->id.name, | |
3238 | list->kctl->id.index); | |
3239 | if (list->dump) | |
3240 | list->dump(buffer, list); | |
3241 | } | |
ebfdeea3 JK |
3242 | } |
3243 | } | |
3244 | } | |
3245 | ||
e213e9cf DM |
3246 | static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, |
3247 | int attribute, int value, int index) | |
3248 | { | |
3360b84b | 3249 | struct usb_mixer_elem_list *list; |
e213e9cf DM |
3250 | __u8 unitid = (index >> 8) & 0xff; |
3251 | __u8 control = (value >> 8) & 0xff; | |
3252 | __u8 channel = value & 0xff; | |
191227d9 | 3253 | unsigned int count = 0; |
e213e9cf DM |
3254 | |
3255 | if (channel >= MAX_CHANNELS) { | |
0ba41d91 TI |
3256 | usb_audio_dbg(mixer->chip, |
3257 | "%s(): bogus channel number %d\n", | |
3258 | __func__, channel); | |
e213e9cf DM |
3259 | return; |
3260 | } | |
3261 | ||
8c558076 | 3262 | for_each_mixer_elem(list, mixer, unitid) |
191227d9 DM |
3263 | count++; |
3264 | ||
3265 | if (count == 0) | |
3266 | return; | |
3267 | ||
8c558076 | 3268 | for_each_mixer_elem(list, mixer, unitid) { |
3360b84b TI |
3269 | struct usb_mixer_elem_info *info; |
3270 | ||
3271 | if (!list->kctl) | |
3272 | continue; | |
3273 | ||
8c558076 | 3274 | info = mixer_elem_list_to_info(list); |
191227d9 | 3275 | if (count > 1 && info->control != control) |
e213e9cf DM |
3276 | continue; |
3277 | ||
3278 | switch (attribute) { | |
3279 | case UAC2_CS_CUR: | |
3280 | /* invalidate cache, so the value is read from the device */ | |
3281 | if (channel) | |
3282 | info->cached &= ~(1 << channel); | |
3283 | else /* master channel */ | |
3284 | info->cached = 0; | |
3285 | ||
3286 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
3360b84b | 3287 | &info->head.kctl->id); |
e213e9cf DM |
3288 | break; |
3289 | ||
3290 | case UAC2_CS_RANGE: | |
3291 | /* TODO */ | |
3292 | break; | |
3293 | ||
3294 | case UAC2_CS_MEM: | |
3295 | /* TODO */ | |
3296 | break; | |
3297 | ||
3298 | default: | |
0ba41d91 TI |
3299 | usb_audio_dbg(mixer->chip, |
3300 | "unknown attribute %d in interrupt\n", | |
3301 | attribute); | |
e213e9cf DM |
3302 | break; |
3303 | } /* switch */ | |
3304 | } | |
3305 | } | |
3306 | ||
3307 | static void snd_usb_mixer_interrupt(struct urb *urb) | |
6639b6c2 CL |
3308 | { |
3309 | struct usb_mixer_interface *mixer = urb->context; | |
e213e9cf | 3310 | int len = urb->actual_length; |
edf7de31 | 3311 | int ustatus = urb->status; |
e213e9cf | 3312 | |
edf7de31 | 3313 | if (ustatus != 0) |
e213e9cf | 3314 | goto requeue; |
6639b6c2 | 3315 | |
e213e9cf DM |
3316 | if (mixer->protocol == UAC_VERSION_1) { |
3317 | struct uac1_status_word *status; | |
6639b6c2 | 3318 | |
e213e9cf DM |
3319 | for (status = urb->transfer_buffer; |
3320 | len >= sizeof(*status); | |
3321 | len -= sizeof(*status), status++) { | |
0ba41d91 | 3322 | dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", |
e213e9cf DM |
3323 | status->bStatusType, |
3324 | status->bOriginator); | |
3325 | ||
6639b6c2 | 3326 | /* ignore any notifications not from the control interface */ |
e213e9cf DM |
3327 | if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != |
3328 | UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) | |
6639b6c2 | 3329 | continue; |
e213e9cf DM |
3330 | |
3331 | if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) | |
3332 | snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); | |
b259b10c | 3333 | else |
e213e9cf DM |
3334 | snd_usb_mixer_notify_id(mixer, status->bOriginator); |
3335 | } | |
3336 | } else { /* UAC_VERSION_2 */ | |
3337 | struct uac2_interrupt_data_msg *msg; | |
3338 | ||
3339 | for (msg = urb->transfer_buffer; | |
3340 | len >= sizeof(*msg); | |
3341 | len -= sizeof(*msg), msg++) { | |
3342 | /* drop vendor specific and endpoint requests */ | |
3343 | if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || | |
3344 | (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) | |
3345 | continue; | |
3346 | ||
3347 | snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, | |
3348 | le16_to_cpu(msg->wValue), | |
3349 | le16_to_cpu(msg->wIndex)); | |
6639b6c2 CL |
3350 | } |
3351 | } | |
e213e9cf DM |
3352 | |
3353 | requeue: | |
6bc170e4 DM |
3354 | if (ustatus != -ENOENT && |
3355 | ustatus != -ECONNRESET && | |
3356 | ustatus != -ESHUTDOWN) { | |
6639b6c2 CL |
3357 | urb->dev = mixer->chip->dev; |
3358 | usb_submit_urb(urb, GFP_ATOMIC); | |
3359 | } | |
3360 | } | |
3361 | ||
3362 | /* create the handler for the optional status interrupt endpoint */ | |
3363 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
3364 | { | |
6639b6c2 CL |
3365 | struct usb_endpoint_descriptor *ep; |
3366 | void *transfer_buffer; | |
3367 | int buffer_length; | |
3368 | unsigned int epnum; | |
3369 | ||
6639b6c2 | 3370 | /* we need one interrupt input endpoint */ |
1faa5d07 | 3371 | if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) |
6639b6c2 | 3372 | return 0; |
1faa5d07 | 3373 | ep = get_endpoint(mixer->hostif, 0); |
913ae5a2 | 3374 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
6639b6c2 CL |
3375 | return 0; |
3376 | ||
42a6e66f | 3377 | epnum = usb_endpoint_num(ep); |
6639b6c2 CL |
3378 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
3379 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
3380 | if (!transfer_buffer) | |
3381 | return -ENOMEM; | |
3382 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
3383 | if (!mixer->urb) { | |
3384 | kfree(transfer_buffer); | |
3385 | return -ENOMEM; | |
3386 | } | |
3387 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
3388 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
3389 | transfer_buffer, buffer_length, | |
e213e9cf | 3390 | snd_usb_mixer_interrupt, mixer, ep->bInterval); |
6639b6c2 CL |
3391 | usb_submit_urb(mixer->urb, GFP_KERNEL); |
3392 | return 0; | |
3393 | } | |
3394 | ||
4120fbed TI |
3395 | static int keep_iface_ctl_get(struct snd_kcontrol *kcontrol, |
3396 | struct snd_ctl_elem_value *ucontrol) | |
3397 | { | |
3398 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
3399 | ||
3400 | ucontrol->value.integer.value[0] = mixer->chip->keep_iface; | |
3401 | return 0; | |
3402 | } | |
3403 | ||
3404 | static int keep_iface_ctl_put(struct snd_kcontrol *kcontrol, | |
3405 | struct snd_ctl_elem_value *ucontrol) | |
3406 | { | |
3407 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
3408 | bool keep_iface = !!ucontrol->value.integer.value[0]; | |
3409 | ||
3410 | if (mixer->chip->keep_iface == keep_iface) | |
3411 | return 0; | |
3412 | mixer->chip->keep_iface = keep_iface; | |
3413 | return 1; | |
3414 | } | |
3415 | ||
3416 | static const struct snd_kcontrol_new keep_iface_ctl = { | |
3417 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
3418 | .name = "Keep Interface", | |
3419 | .info = snd_ctl_boolean_mono_info, | |
3420 | .get = keep_iface_ctl_get, | |
3421 | .put = keep_iface_ctl_put, | |
3422 | }; | |
3423 | ||
3424 | static int create_keep_iface_ctl(struct usb_mixer_interface *mixer) | |
3425 | { | |
3426 | struct snd_kcontrol *kctl = snd_ctl_new1(&keep_iface_ctl, mixer); | |
3427 | ||
3428 | /* need only one control per card */ | |
3429 | if (snd_ctl_find_id(mixer->chip->card, &kctl->id)) { | |
3430 | snd_ctl_free_one(kctl); | |
3431 | return 0; | |
3432 | } | |
3433 | ||
3434 | return snd_ctl_add(mixer->chip->card, kctl); | |
3435 | } | |
3436 | ||
7a9b8063 TI |
3437 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
3438 | int ignore_error) | |
84957a8a | 3439 | { |
86e07d34 | 3440 | static struct snd_device_ops dev_ops = { |
84957a8a CL |
3441 | .dev_free = snd_usb_mixer_dev_free |
3442 | }; | |
3443 | struct usb_mixer_interface *mixer; | |
23caaf19 | 3444 | int err; |
84957a8a CL |
3445 | |
3446 | strcpy(chip->card->mixername, "USB Mixer"); | |
3447 | ||
561b220a | 3448 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
3449 | if (!mixer) |
3450 | return -ENOMEM; | |
3451 | mixer->chip = chip; | |
7a9b8063 | 3452 | mixer->ignore_ctl_error = ignore_error; |
291186e0 JK |
3453 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
3454 | GFP_KERNEL); | |
6639b6c2 CL |
3455 | if (!mixer->id_elems) { |
3456 | kfree(mixer); | |
3457 | return -ENOMEM; | |
3458 | } | |
84957a8a | 3459 | |
1faa5d07 DM |
3460 | mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
3461 | switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { | |
a2acad82 CL |
3462 | case UAC_VERSION_1: |
3463 | default: | |
3464 | mixer->protocol = UAC_VERSION_1; | |
3465 | break; | |
3466 | case UAC_VERSION_2: | |
3467 | mixer->protocol = UAC_VERSION_2; | |
3468 | break; | |
9a2fe9b8 RB |
3469 | case UAC_VERSION_3: |
3470 | mixer->protocol = UAC_VERSION_3; | |
3471 | break; | |
a2acad82 | 3472 | } |
7b8a043f | 3473 | |
17156f23 RB |
3474 | if (mixer->protocol == UAC_VERSION_3 && |
3475 | chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { | |
f25ecf8f TI |
3476 | err = snd_usb_mixer_controls_badd(mixer, ctrlif); |
3477 | if (err < 0) | |
3478 | goto _error; | |
3479 | } else { | |
3480 | err = snd_usb_mixer_controls(mixer); | |
3481 | if (err < 0) | |
3482 | goto _error; | |
17156f23 | 3483 | } |
ad6baae6 JS |
3484 | |
3485 | err = snd_usb_mixer_status_create(mixer); | |
3486 | if (err < 0) | |
3487 | goto _error; | |
3488 | ||
4120fbed TI |
3489 | err = create_keep_iface_ctl(mixer); |
3490 | if (err < 0) | |
3491 | goto _error; | |
84957a8a | 3492 | |
7b1eda22 | 3493 | snd_usb_mixer_apply_create_quirk(mixer); |
468b8fde | 3494 | |
9cbb2808 | 3495 | err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); |
93446edc CL |
3496 | if (err < 0) |
3497 | goto _error; | |
ebfdeea3 | 3498 | |
7449054a TI |
3499 | if (list_empty(&chip->mixer_list)) |
3500 | snd_card_ro_proc_new(chip->card, "usbmixer", chip, | |
3501 | snd_usb_mixer_proc_read); | |
ebfdeea3 | 3502 | |
84957a8a CL |
3503 | list_add(&mixer->list, &chip->mixer_list); |
3504 | return 0; | |
93446edc CL |
3505 | |
3506 | _error: | |
3507 | snd_usb_mixer_free(mixer); | |
3508 | return err; | |
84957a8a CL |
3509 | } |
3510 | ||
a6cece9d | 3511 | void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) |
84957a8a | 3512 | { |
124751d5 TI |
3513 | if (mixer->disconnected) |
3514 | return; | |
3515 | if (mixer->urb) | |
3516 | usb_kill_urb(mixer->urb); | |
3517 | if (mixer->rc_urb) | |
3518 | usb_kill_urb(mixer->rc_urb); | |
3519 | mixer->disconnected = true; | |
84957a8a | 3520 | } |
400362f1 TI |
3521 | |
3522 | #ifdef CONFIG_PM | |
3523 | /* stop any bus activity of a mixer */ | |
3524 | static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) | |
3525 | { | |
3526 | usb_kill_urb(mixer->urb); | |
3527 | usb_kill_urb(mixer->rc_urb); | |
3528 | } | |
3529 | ||
3530 | static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) | |
3531 | { | |
3532 | int err; | |
3533 | ||
3534 | if (mixer->urb) { | |
3535 | err = usb_submit_urb(mixer->urb, GFP_NOIO); | |
3536 | if (err < 0) | |
3537 | return err; | |
3538 | } | |
3539 | ||
3540 | return 0; | |
3541 | } | |
3542 | ||
3543 | int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) | |
3544 | { | |
3545 | snd_usb_mixer_inactivate(mixer); | |
3546 | return 0; | |
3547 | } | |
3548 | ||
3360b84b | 3549 | static int restore_mixer_value(struct usb_mixer_elem_list *list) |
400362f1 | 3550 | { |
8c558076 | 3551 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
400362f1 TI |
3552 | int c, err, idx; |
3553 | ||
3554 | if (cval->cmask) { | |
3555 | idx = 0; | |
3556 | for (c = 0; c < MAX_CHANNELS; c++) { | |
3557 | if (!(cval->cmask & (1 << c))) | |
3558 | continue; | |
6aa6925c | 3559 | if (cval->cached & (1 << (c + 1))) { |
eef90451 | 3560 | err = snd_usb_set_cur_mix_value(cval, c + 1, idx, |
400362f1 TI |
3561 | cval->cache_val[idx]); |
3562 | if (err < 0) | |
3563 | return err; | |
3564 | } | |
3565 | idx++; | |
3566 | } | |
3567 | } else { | |
3568 | /* master */ | |
3569 | if (cval->cached) { | |
eef90451 | 3570 | err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); |
400362f1 TI |
3571 | if (err < 0) |
3572 | return err; | |
3573 | } | |
3574 | } | |
3575 | ||
3576 | return 0; | |
3577 | } | |
3578 | ||
3579 | int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) | |
3580 | { | |
3360b84b | 3581 | struct usb_mixer_elem_list *list; |
400362f1 TI |
3582 | int id, err; |
3583 | ||
400362f1 TI |
3584 | if (reset_resume) { |
3585 | /* restore cached mixer values */ | |
3586 | for (id = 0; id < MAX_ID_ELEMS; id++) { | |
8c558076 | 3587 | for_each_mixer_elem(list, mixer, id) { |
3360b84b TI |
3588 | if (list->resume) { |
3589 | err = list->resume(list); | |
3590 | if (err < 0) | |
3591 | return err; | |
3592 | } | |
400362f1 TI |
3593 | } |
3594 | } | |
3595 | } | |
3596 | ||
964af639 TI |
3597 | snd_usb_mixer_resume_quirk(mixer); |
3598 | ||
400362f1 TI |
3599 | return snd_usb_mixer_activate(mixer); |
3600 | } | |
3601 | #endif | |
3360b84b TI |
3602 | |
3603 | void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, | |
3604 | struct usb_mixer_interface *mixer, | |
3605 | int unitid) | |
3606 | { | |
3607 | list->mixer = mixer; | |
3608 | list->id = unitid; | |
3609 | list->dump = snd_usb_mixer_dump_cval; | |
3610 | #ifdef CONFIG_PM | |
3611 | list->resume = restore_mixer_value; | |
3612 | #endif | |
3613 | } |