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Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * (Tentative) USB Audio Driver for ALSA | |
4 | * | |
5 | * Mixer control part | |
6 | * | |
7 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> | |
8 | * | |
9 | * Many codes borrowed from audio.c by | |
10 | * Alan Cox (alan@lxorguk.ukuu.org.uk) | |
11 | * Thomas Sailer (sailer@ife.ee.ethz.ch) | |
1da177e4 LT |
12 | */ |
13 | ||
157a57b6 DM |
14 | /* |
15 | * TODOs, for both the mixer and the streaming interfaces: | |
16 | * | |
17 | * - support for UAC2 effect units | |
18 | * - support for graphical equalizers | |
19 | * - RANGE and MEM set commands (UAC2) | |
20 | * - RANGE and MEM interrupt dispatchers (UAC2) | |
21 | * - audio channel clustering (UAC2) | |
22 | * - audio sample rate converter units (UAC2) | |
23 | * - proper handling of clock multipliers (UAC2) | |
24 | * - dispatch clock change notifications (UAC2) | |
25 | * - stop PCM streams which use a clock that became invalid | |
26 | * - stop PCM streams which use a clock selector that has changed | |
27 | * - parse available sample rates again when clock sources changed | |
28 | */ | |
29 | ||
1da177e4 LT |
30 | #include <linux/bitops.h> |
31 | #include <linux/init.h> | |
32 | #include <linux/list.h> | |
cddaafb9 | 33 | #include <linux/log2.h> |
1da177e4 LT |
34 | #include <linux/slab.h> |
35 | #include <linux/string.h> | |
36 | #include <linux/usb.h> | |
28e1b773 | 37 | #include <linux/usb/audio.h> |
23caaf19 | 38 | #include <linux/usb/audio-v2.h> |
9a2fe9b8 | 39 | #include <linux/usb/audio-v3.h> |
28e1b773 | 40 | |
1da177e4 LT |
41 | #include <sound/core.h> |
42 | #include <sound/control.h> | |
b259b10c | 43 | #include <sound/hwdep.h> |
aafad562 | 44 | #include <sound/info.h> |
7bc5ba7e | 45 | #include <sound/tlv.h> |
1da177e4 LT |
46 | |
47 | #include "usbaudio.h" | |
f0b5e634 | 48 | #include "mixer.h" |
e5779998 | 49 | #include "helper.h" |
7b1eda22 | 50 | #include "mixer_quirks.h" |
88a8516a | 51 | #include "power.h" |
4d1a70da | 52 | |
ebfdeea3 JK |
53 | #define MAX_ID_ELEMS 256 |
54 | ||
1da177e4 LT |
55 | struct usb_audio_term { |
56 | int id; | |
57 | int type; | |
58 | int channels; | |
59 | unsigned int chconfig; | |
60 | int name; | |
61 | }; | |
62 | ||
63 | struct usbmix_name_map; | |
64 | ||
86e07d34 TI |
65 | struct mixer_build { |
66 | struct snd_usb_audio *chip; | |
84957a8a | 67 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
68 | unsigned char *buffer; |
69 | unsigned int buflen; | |
291186e0 | 70 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
19bce474 | 71 | DECLARE_BITMAP(termbitmap, MAX_ID_ELEMS); |
86e07d34 | 72 | struct usb_audio_term oterm; |
1da177e4 | 73 | const struct usbmix_name_map *map; |
8e062ec7 | 74 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
75 | }; |
76 | ||
1cdfa9f3 | 77 | /*E-mu 0202/0404/0204 eXtension Unit(XU) control*/ |
7d2b451e SK |
78 | enum { |
79 | USB_XU_CLOCK_RATE = 0xe301, | |
80 | USB_XU_CLOCK_SOURCE = 0xe302, | |
81 | USB_XU_DIGITAL_IO_STATUS = 0xe303, | |
82 | USB_XU_DEVICE_OPTIONS = 0xe304, | |
83 | USB_XU_DIRECT_MONITORING = 0xe305, | |
84 | USB_XU_METERING = 0xe306 | |
85 | }; | |
86 | enum { | |
87 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ | |
88 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ | |
89 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ | |
90 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ | |
91 | }; | |
1da177e4 LT |
92 | |
93 | /* | |
94 | * manual mapping of mixer names | |
95 | * if the mixer topology is too complicated and the parsed names are | |
96 | * ambiguous, add the entries in usbmixer_maps.c. | |
97 | */ | |
f0b5e634 | 98 | #include "mixer_maps.c" |
1da177e4 | 99 | |
c3a3e040 | 100 | static const struct usbmix_name_map * |
17156f23 | 101 | find_map(const struct usbmix_name_map *p, int unitid, int control) |
1da177e4 | 102 | { |
c3a3e040 JK |
103 | if (!p) |
104 | return NULL; | |
1da177e4 | 105 | |
17156f23 | 106 | for (; p->id; p++) { |
c3a3e040 JK |
107 | if (p->id == unitid && |
108 | (!control || !p->control || control == p->control)) | |
109 | return p; | |
1da177e4 | 110 | } |
c3a3e040 | 111 | return NULL; |
1da177e4 LT |
112 | } |
113 | ||
c3a3e040 JK |
114 | /* get the mapped name if the unit matches */ |
115 | static int | |
116 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) | |
1da177e4 | 117 | { |
c3a3e040 JK |
118 | if (!p || !p->name) |
119 | return 0; | |
1da177e4 | 120 | |
c3a3e040 JK |
121 | buflen--; |
122 | return strlcpy(buf, p->name, buflen); | |
123 | } | |
124 | ||
5aeee342 TI |
125 | /* ignore the error value if ignore_ctl_error flag is set */ |
126 | #define filter_error(cval, err) \ | |
3360b84b | 127 | ((cval)->head.mixer->ignore_ctl_error ? 0 : (err)) |
5aeee342 | 128 | |
c3a3e040 JK |
129 | /* check whether the control should be ignored */ |
130 | static inline int | |
131 | check_ignored_ctl(const struct usbmix_name_map *p) | |
132 | { | |
133 | if (!p || p->name || p->dB) | |
1da177e4 | 134 | return 0; |
c3a3e040 JK |
135 | return 1; |
136 | } | |
137 | ||
138 | /* dB mapping */ | |
139 | static inline void check_mapped_dB(const struct usbmix_name_map *p, | |
140 | struct usb_mixer_elem_info *cval) | |
141 | { | |
142 | if (p && p->dB) { | |
143 | cval->dBmin = p->dB->min; | |
144 | cval->dBmax = p->dB->max; | |
38b65190 | 145 | cval->initialized = 1; |
1da177e4 | 146 | } |
1da177e4 LT |
147 | } |
148 | ||
8e062ec7 | 149 | /* get the mapped selector source name */ |
86e07d34 | 150 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
151 | int index, char *buf, int buflen) |
152 | { | |
153 | const struct usbmix_selector_map *p; | |
154 | ||
6bc170e4 | 155 | if (!state->selector_map) |
8e062ec7 CL |
156 | return 0; |
157 | for (p = state->selector_map; p->id; p++) { | |
158 | if (p->id == unitid && index < p->count) | |
159 | return strlcpy(buf, p->names[index], buflen); | |
160 | } | |
161 | return 0; | |
162 | } | |
163 | ||
1da177e4 LT |
164 | /* |
165 | * find an audio control unit with the given unit id | |
166 | */ | |
6bc170e4 DM |
167 | static void *find_audio_control_unit(struct mixer_build *state, |
168 | unsigned char unit) | |
1da177e4 | 169 | { |
67e1daa0 DM |
170 | /* we just parse the header */ |
171 | struct uac_feature_unit_descriptor *hdr = NULL; | |
172 | ||
173 | while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, | |
174 | USB_DT_CS_INTERFACE)) != NULL) { | |
175 | if (hdr->bLength >= 4 && | |
176 | hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && | |
9a2fe9b8 | 177 | hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER && |
67e1daa0 DM |
178 | hdr->bUnitID == unit) |
179 | return hdr; | |
1da177e4 | 180 | } |
67e1daa0 | 181 | |
1da177e4 LT |
182 | return NULL; |
183 | } | |
184 | ||
1da177e4 LT |
185 | /* |
186 | * copy a string with the given id | |
187 | */ | |
eccfc1b8 | 188 | static int snd_usb_copy_string_desc(struct snd_usb_audio *chip, |
6bc170e4 | 189 | int index, char *buf, int maxlen) |
1da177e4 | 190 | { |
eccfc1b8 | 191 | int len = usb_string(chip->dev, index, buf, maxlen - 1); |
251552a2 JK |
192 | |
193 | if (len < 0) | |
194 | return 0; | |
195 | ||
1da177e4 LT |
196 | buf[len] = 0; |
197 | return len; | |
198 | } | |
199 | ||
200 | /* | |
201 | * convert from the byte/word on usb descriptor to the zero-based integer | |
202 | */ | |
86e07d34 | 203 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
204 | { |
205 | switch (cval->val_type) { | |
206 | case USB_MIXER_BOOLEAN: | |
207 | return !!val; | |
208 | case USB_MIXER_INV_BOOLEAN: | |
209 | return !val; | |
210 | case USB_MIXER_U8: | |
211 | val &= 0xff; | |
212 | break; | |
213 | case USB_MIXER_S8: | |
214 | val &= 0xff; | |
215 | if (val >= 0x80) | |
216 | val -= 0x100; | |
217 | break; | |
218 | case USB_MIXER_U16: | |
219 | val &= 0xffff; | |
220 | break; | |
221 | case USB_MIXER_S16: | |
222 | val &= 0xffff; | |
223 | if (val >= 0x8000) | |
224 | val -= 0x10000; | |
225 | break; | |
226 | } | |
227 | return val; | |
228 | } | |
229 | ||
230 | /* | |
231 | * convert from the zero-based int to the byte/word for usb descriptor | |
232 | */ | |
86e07d34 | 233 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
234 | { |
235 | switch (cval->val_type) { | |
236 | case USB_MIXER_BOOLEAN: | |
237 | return !!val; | |
238 | case USB_MIXER_INV_BOOLEAN: | |
239 | return !val; | |
240 | case USB_MIXER_S8: | |
241 | case USB_MIXER_U8: | |
242 | return val & 0xff; | |
243 | case USB_MIXER_S16: | |
244 | case USB_MIXER_U16: | |
245 | return val & 0xffff; | |
246 | } | |
247 | return 0; /* not reached */ | |
248 | } | |
249 | ||
86e07d34 | 250 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 | 251 | { |
6bc170e4 | 252 | if (!cval->res) |
1da177e4 LT |
253 | cval->res = 1; |
254 | if (val < cval->min) | |
255 | return 0; | |
14790f1c TI |
256 | else if (val >= cval->max) |
257 | return (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
258 | else |
259 | return (val - cval->min) / cval->res; | |
260 | } | |
261 | ||
86e07d34 | 262 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
263 | { |
264 | if (val < 0) | |
265 | return cval->min; | |
6bc170e4 | 266 | if (!cval->res) |
1da177e4 LT |
267 | cval->res = 1; |
268 | val *= cval->res; | |
269 | val += cval->min; | |
270 | if (val > cval->max) | |
271 | return cval->max; | |
272 | return val; | |
273 | } | |
274 | ||
bc18e31c JS |
275 | static int uac2_ctl_value_size(int val_type) |
276 | { | |
277 | switch (val_type) { | |
278 | case USB_MIXER_S32: | |
279 | case USB_MIXER_U32: | |
280 | return 4; | |
281 | case USB_MIXER_S16: | |
282 | case USB_MIXER_U16: | |
283 | return 2; | |
284 | default: | |
285 | return 1; | |
286 | } | |
287 | return 0; /* unreachable */ | |
288 | } | |
289 | ||
1da177e4 LT |
290 | |
291 | /* | |
292 | * retrieve a mixer value | |
293 | */ | |
294 | ||
0aef31b7 CW |
295 | static inline int mixer_ctrl_intf(struct usb_mixer_interface *mixer) |
296 | { | |
297 | return get_iface_desc(mixer->hostif)->bInterfaceNumber; | |
298 | } | |
299 | ||
6bc170e4 DM |
300 | static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, |
301 | int validx, int *value_ret) | |
1da177e4 | 302 | { |
3360b84b | 303 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
1da177e4 LT |
304 | unsigned char buf[2]; |
305 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
306 | int timeout = 10; | |
978520b7 | 307 | int idx = 0, err; |
1da177e4 | 308 | |
47ab1545 | 309 | err = snd_usb_lock_shutdown(chip); |
88a8516a ON |
310 | if (err < 0) |
311 | return -EIO; | |
6bc170e4 | 312 | |
1da177e4 | 313 | while (timeout-- > 0) { |
0aef31b7 | 314 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
5a9a8eca SB |
315 | err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, |
316 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
317 | validx, idx, buf, val_len); | |
318 | if (err >= val_len) { | |
1da177e4 | 319 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
978520b7 TI |
320 | err = 0; |
321 | goto out; | |
5a9a8eca SB |
322 | } else if (err == -ETIMEDOUT) { |
323 | goto out; | |
1da177e4 LT |
324 | } |
325 | } | |
0ba41d91 TI |
326 | usb_audio_dbg(chip, |
327 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
328 | request, validx, idx, cval->val_type); | |
978520b7 TI |
329 | err = -EINVAL; |
330 | ||
331 | out: | |
47ab1545 | 332 | snd_usb_unlock_shutdown(chip); |
978520b7 | 333 | return err; |
1da177e4 LT |
334 | } |
335 | ||
6bc170e4 DM |
336 | static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, |
337 | int validx, int *value_ret) | |
23caaf19 | 338 | { |
3360b84b | 339 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
447cae58 KM |
340 | /* enough space for one range */ |
341 | unsigned char buf[sizeof(__u16) + 3 * sizeof(__u32)]; | |
23caaf19 | 342 | unsigned char *val; |
447cae58 | 343 | int idx = 0, ret, val_size, size; |
23caaf19 DM |
344 | __u8 bRequest; |
345 | ||
447cae58 KM |
346 | val_size = uac2_ctl_value_size(cval->val_type); |
347 | ||
e8bdb6bb DM |
348 | if (request == UAC_GET_CUR) { |
349 | bRequest = UAC2_CS_CUR; | |
447cae58 | 350 | size = val_size; |
e8bdb6bb DM |
351 | } else { |
352 | bRequest = UAC2_CS_RANGE; | |
447cae58 | 353 | size = sizeof(__u16) + 3 * val_size; |
e8bdb6bb DM |
354 | } |
355 | ||
356 | memset(buf, 0, sizeof(buf)); | |
23caaf19 | 357 | |
47ab1545 | 358 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; |
88a8516a ON |
359 | if (ret) |
360 | goto error; | |
361 | ||
0aef31b7 | 362 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
47ab1545 | 363 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, |
23caaf19 | 364 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, |
978520b7 | 365 | validx, idx, buf, size); |
47ab1545 | 366 | snd_usb_unlock_shutdown(chip); |
23caaf19 DM |
367 | |
368 | if (ret < 0) { | |
88a8516a | 369 | error: |
0ba41d91 TI |
370 | usb_audio_err(chip, |
371 | "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
372 | request, validx, idx, cval->val_type); | |
23caaf19 DM |
373 | return ret; |
374 | } | |
375 | ||
e8bdb6bb DM |
376 | /* FIXME: how should we handle multiple triplets here? */ |
377 | ||
23caaf19 DM |
378 | switch (request) { |
379 | case UAC_GET_CUR: | |
380 | val = buf; | |
381 | break; | |
382 | case UAC_GET_MIN: | |
383 | val = buf + sizeof(__u16); | |
384 | break; | |
385 | case UAC_GET_MAX: | |
447cae58 | 386 | val = buf + sizeof(__u16) + val_size; |
23caaf19 DM |
387 | break; |
388 | case UAC_GET_RES: | |
447cae58 | 389 | val = buf + sizeof(__u16) + val_size * 2; |
23caaf19 DM |
390 | break; |
391 | default: | |
392 | return -EINVAL; | |
393 | } | |
394 | ||
447cae58 KM |
395 | *value_ret = convert_signed_value(cval, |
396 | snd_usb_combine_bytes(val, val_size)); | |
23caaf19 DM |
397 | |
398 | return 0; | |
399 | } | |
400 | ||
6bc170e4 DM |
401 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, |
402 | int validx, int *value_ret) | |
23caaf19 | 403 | { |
9f814105 EZ |
404 | validx += cval->idx_off; |
405 | ||
3360b84b | 406 | return (cval->head.mixer->protocol == UAC_VERSION_1) ? |
23caaf19 DM |
407 | get_ctl_value_v1(cval, request, validx, value_ret) : |
408 | get_ctl_value_v2(cval, request, validx, value_ret); | |
409 | } | |
410 | ||
6bc170e4 DM |
411 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, |
412 | int validx, int *value) | |
1da177e4 | 413 | { |
de48c7bc | 414 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
1da177e4 LT |
415 | } |
416 | ||
417 | /* channel = 0: master, 1 = first channel */ | |
641b4879 TI |
418 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
419 | int channel, int *value) | |
1da177e4 | 420 | { |
6bc170e4 DM |
421 | return get_ctl_value(cval, UAC_GET_CUR, |
422 | (cval->control << 8) | channel, | |
423 | value); | |
1da177e4 LT |
424 | } |
425 | ||
eef90451 | 426 | int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval, |
641b4879 TI |
427 | int channel, int index, int *value) |
428 | { | |
429 | int err; | |
430 | ||
431 | if (cval->cached & (1 << channel)) { | |
432 | *value = cval->cache_val[index]; | |
433 | return 0; | |
434 | } | |
435 | err = get_cur_mix_raw(cval, channel, value); | |
436 | if (err < 0) { | |
3360b84b TI |
437 | if (!cval->head.mixer->ignore_ctl_error) |
438 | usb_audio_dbg(cval->head.mixer->chip, | |
0ba41d91 | 439 | "cannot get current value for control %d ch %d: err = %d\n", |
6bc170e4 | 440 | cval->control, channel, err); |
641b4879 TI |
441 | return err; |
442 | } | |
443 | cval->cached |= 1 << channel; | |
444 | cval->cache_val[index] = *value; | |
445 | return 0; | |
446 | } | |
447 | ||
1da177e4 LT |
448 | /* |
449 | * set a mixer value | |
450 | */ | |
451 | ||
7b1eda22 DM |
452 | int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, |
453 | int request, int validx, int value_set) | |
1da177e4 | 454 | { |
3360b84b | 455 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
bc18e31c | 456 | unsigned char buf[4]; |
978520b7 | 457 | int idx = 0, val_len, err, timeout = 10; |
23caaf19 | 458 | |
9f814105 EZ |
459 | validx += cval->idx_off; |
460 | ||
9a2fe9b8 | 461 | |
3360b84b | 462 | if (cval->head.mixer->protocol == UAC_VERSION_1) { |
23caaf19 | 463 | val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; |
9a2fe9b8 | 464 | } else { /* UAC_VERSION_2/3 */ |
bc18e31c | 465 | val_len = uac2_ctl_value_size(cval->val_type); |
23caaf19 DM |
466 | |
467 | /* FIXME */ | |
468 | if (request != UAC_SET_CUR) { | |
0ba41d91 | 469 | usb_audio_dbg(chip, "RANGE setting not yet supported\n"); |
23caaf19 DM |
470 | return -EINVAL; |
471 | } | |
472 | ||
473 | request = UAC2_CS_CUR; | |
474 | } | |
1da177e4 LT |
475 | |
476 | value_set = convert_bytes_value(cval, value_set); | |
477 | buf[0] = value_set & 0xff; | |
478 | buf[1] = (value_set >> 8) & 0xff; | |
bc18e31c JS |
479 | buf[2] = (value_set >> 16) & 0xff; |
480 | buf[3] = (value_set >> 24) & 0xff; | |
47ab1545 TI |
481 | |
482 | err = snd_usb_lock_shutdown(chip); | |
88a8516a ON |
483 | if (err < 0) |
484 | return -EIO; | |
47ab1545 | 485 | |
978520b7 | 486 | while (timeout-- > 0) { |
0aef31b7 | 487 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
5a9a8eca SB |
488 | err = snd_usb_ctl_msg(chip->dev, |
489 | usb_sndctrlpipe(chip->dev, 0), request, | |
490 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
491 | validx, idx, buf, val_len); | |
492 | if (err >= 0) { | |
978520b7 TI |
493 | err = 0; |
494 | goto out; | |
5a9a8eca SB |
495 | } else if (err == -ETIMEDOUT) { |
496 | goto out; | |
88a8516a | 497 | } |
978520b7 | 498 | } |
0ba41d91 | 499 | usb_audio_dbg(chip, "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
6bc170e4 | 500 | request, validx, idx, cval->val_type, buf[0], buf[1]); |
978520b7 TI |
501 | err = -EINVAL; |
502 | ||
503 | out: | |
47ab1545 | 504 | snd_usb_unlock_shutdown(chip); |
978520b7 | 505 | return err; |
1da177e4 LT |
506 | } |
507 | ||
6bc170e4 DM |
508 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, |
509 | int validx, int value) | |
1da177e4 | 510 | { |
7b1eda22 | 511 | return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value); |
1da177e4 LT |
512 | } |
513 | ||
eef90451 | 514 | int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
641b4879 | 515 | int index, int value) |
1da177e4 | 516 | { |
641b4879 | 517 | int err; |
a6a33259 DM |
518 | unsigned int read_only = (channel == 0) ? |
519 | cval->master_readonly : | |
520 | cval->ch_readonly & (1 << (channel - 1)); | |
521 | ||
522 | if (read_only) { | |
3360b84b | 523 | usb_audio_dbg(cval->head.mixer->chip, |
0ba41d91 | 524 | "%s(): channel %d of control %d is read_only\n", |
a6a33259 DM |
525 | __func__, channel, cval->control); |
526 | return 0; | |
527 | } | |
528 | ||
6bc170e4 DM |
529 | err = snd_usb_mixer_set_ctl_value(cval, |
530 | UAC_SET_CUR, (cval->control << 8) | channel, | |
531 | value); | |
641b4879 TI |
532 | if (err < 0) |
533 | return err; | |
534 | cval->cached |= 1 << channel; | |
535 | cval->cache_val[index] = value; | |
536 | return 0; | |
1da177e4 LT |
537 | } |
538 | ||
7bc5ba7e TI |
539 | /* |
540 | * TLV callback for mixer volume controls | |
541 | */ | |
285de9c0 | 542 | int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, |
7bc5ba7e TI |
543 | unsigned int size, unsigned int __user *_tlv) |
544 | { | |
545 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
b8e1c73f | 546 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
7bc5ba7e TI |
547 | |
548 | if (size < sizeof(scale)) | |
549 | return -ENOMEM; | |
0f174b35 TI |
550 | if (cval->min_mute) |
551 | scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE; | |
c3a3e040 JK |
552 | scale[2] = cval->dBmin; |
553 | scale[3] = cval->dBmax; | |
7bc5ba7e TI |
554 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
555 | return -EFAULT; | |
556 | return 0; | |
557 | } | |
1da177e4 LT |
558 | |
559 | /* | |
560 | * parser routines begin here... | |
561 | */ | |
562 | ||
86e07d34 | 563 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
564 | |
565 | ||
566 | /* | |
567 | * check if the input/output channel routing is enabled on the given bitmap. | |
568 | * used for mixer unit parser | |
569 | */ | |
6bc170e4 DM |
570 | static int check_matrix_bitmap(unsigned char *bmap, |
571 | int ich, int och, int num_outs) | |
1da177e4 LT |
572 | { |
573 | int idx = ich * num_outs + och; | |
574 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
575 | } | |
576 | ||
1da177e4 LT |
577 | /* |
578 | * add an alsa control element | |
579 | * search and increment the index until an empty slot is found. | |
580 | * | |
581 | * if failed, give up and free the control instance. | |
582 | */ | |
583 | ||
3360b84b | 584 | int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, |
ef9d5970 | 585 | struct snd_kcontrol *kctl) |
1da177e4 | 586 | { |
3360b84b | 587 | struct usb_mixer_interface *mixer = list->mixer; |
1da177e4 | 588 | int err; |
84957a8a | 589 | |
ef9d5970 | 590 | while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) |
1da177e4 | 591 | kctl->id.index++; |
f25ecf8f TI |
592 | err = snd_ctl_add(mixer->chip->card, kctl); |
593 | if (err < 0) { | |
6bc170e4 DM |
594 | usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", |
595 | err); | |
6639b6c2 | 596 | return err; |
1da177e4 | 597 | } |
3360b84b TI |
598 | list->kctl = kctl; |
599 | list->next_id_elem = mixer->id_elems[list->id]; | |
600 | mixer->id_elems[list->id] = list; | |
6639b6c2 | 601 | return 0; |
1da177e4 LT |
602 | } |
603 | ||
1da177e4 LT |
604 | /* |
605 | * get a terminal name string | |
606 | */ | |
607 | ||
608 | static struct iterm_name_combo { | |
609 | int type; | |
610 | char *name; | |
611 | } iterm_names[] = { | |
612 | { 0x0300, "Output" }, | |
613 | { 0x0301, "Speaker" }, | |
614 | { 0x0302, "Headphone" }, | |
615 | { 0x0303, "HMD Audio" }, | |
616 | { 0x0304, "Desktop Speaker" }, | |
617 | { 0x0305, "Room Speaker" }, | |
618 | { 0x0306, "Com Speaker" }, | |
619 | { 0x0307, "LFE" }, | |
620 | { 0x0600, "External In" }, | |
621 | { 0x0601, "Analog In" }, | |
622 | { 0x0602, "Digital In" }, | |
623 | { 0x0603, "Line" }, | |
624 | { 0x0604, "Legacy In" }, | |
625 | { 0x0605, "IEC958 In" }, | |
626 | { 0x0606, "1394 DA Stream" }, | |
627 | { 0x0607, "1394 DV Stream" }, | |
628 | { 0x0700, "Embedded" }, | |
629 | { 0x0701, "Noise Source" }, | |
630 | { 0x0702, "Equalization Noise" }, | |
631 | { 0x0703, "CD" }, | |
632 | { 0x0704, "DAT" }, | |
633 | { 0x0705, "DCC" }, | |
634 | { 0x0706, "MiniDisk" }, | |
635 | { 0x0707, "Analog Tape" }, | |
636 | { 0x0708, "Phonograph" }, | |
637 | { 0x0709, "VCR Audio" }, | |
638 | { 0x070a, "Video Disk Audio" }, | |
639 | { 0x070b, "DVD Audio" }, | |
640 | { 0x070c, "TV Tuner Audio" }, | |
641 | { 0x070d, "Satellite Rec Audio" }, | |
642 | { 0x070e, "Cable Tuner Audio" }, | |
643 | { 0x070f, "DSS Audio" }, | |
644 | { 0x0710, "Radio Receiver" }, | |
645 | { 0x0711, "Radio Transmitter" }, | |
646 | { 0x0712, "Multi-Track Recorder" }, | |
647 | { 0x0713, "Synthesizer" }, | |
648 | { 0 }, | |
649 | }; | |
650 | ||
eccfc1b8 | 651 | static int get_term_name(struct snd_usb_audio *chip, struct usb_audio_term *iterm, |
1da177e4 LT |
652 | unsigned char *name, int maxlen, int term_only) |
653 | { | |
654 | struct iterm_name_combo *names; | |
56a23ee5 | 655 | int len; |
1da177e4 | 656 | |
56a23ee5 | 657 | if (iterm->name) { |
eccfc1b8 | 658 | len = snd_usb_copy_string_desc(chip, iterm->name, |
6bc170e4 | 659 | name, maxlen); |
56a23ee5 TI |
660 | if (len) |
661 | return len; | |
662 | } | |
1da177e4 LT |
663 | |
664 | /* virtual type - not a real terminal */ | |
665 | if (iterm->type >> 16) { | |
666 | if (term_only) | |
667 | return 0; | |
668 | switch (iterm->type >> 16) { | |
8b3a087f | 669 | case UAC3_SELECTOR_UNIT: |
6bc170e4 DM |
670 | strcpy(name, "Selector"); |
671 | return 8; | |
8b3a087f | 672 | case UAC3_PROCESSING_UNIT: |
6bc170e4 DM |
673 | strcpy(name, "Process Unit"); |
674 | return 12; | |
8b3a087f | 675 | case UAC3_EXTENSION_UNIT: |
6bc170e4 DM |
676 | strcpy(name, "Ext Unit"); |
677 | return 8; | |
8b3a087f | 678 | case UAC3_MIXER_UNIT: |
6bc170e4 DM |
679 | strcpy(name, "Mixer"); |
680 | return 5; | |
1da177e4 LT |
681 | default: |
682 | return sprintf(name, "Unit %d", iterm->id); | |
683 | } | |
684 | } | |
685 | ||
686 | switch (iterm->type & 0xff00) { | |
687 | case 0x0100: | |
6bc170e4 DM |
688 | strcpy(name, "PCM"); |
689 | return 3; | |
1da177e4 | 690 | case 0x0200: |
6bc170e4 DM |
691 | strcpy(name, "Mic"); |
692 | return 3; | |
1da177e4 | 693 | case 0x0400: |
6bc170e4 DM |
694 | strcpy(name, "Headset"); |
695 | return 7; | |
1da177e4 | 696 | case 0x0500: |
6bc170e4 DM |
697 | strcpy(name, "Phone"); |
698 | return 5; | |
1da177e4 LT |
699 | } |
700 | ||
6bc170e4 | 701 | for (names = iterm_names; names->type; names++) { |
1da177e4 LT |
702 | if (names->type == iterm->type) { |
703 | strcpy(name, names->name); | |
704 | return strlen(names->name); | |
705 | } | |
6bc170e4 DM |
706 | } |
707 | ||
1da177e4 LT |
708 | return 0; |
709 | } | |
710 | ||
6cfd839a JS |
711 | /* |
712 | * Get logical cluster information for UAC3 devices. | |
713 | */ | |
714 | static int get_cluster_channels_v3(struct mixer_build *state, unsigned int cluster_id) | |
715 | { | |
716 | struct uac3_cluster_header_descriptor c_header; | |
717 | int err; | |
718 | ||
719 | err = snd_usb_ctl_msg(state->chip->dev, | |
720 | usb_rcvctrlpipe(state->chip->dev, 0), | |
721 | UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR, | |
722 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
723 | cluster_id, | |
724 | snd_usb_ctrl_intf(state->chip), | |
725 | &c_header, sizeof(c_header)); | |
726 | if (err < 0) | |
727 | goto error; | |
728 | if (err != sizeof(c_header)) { | |
729 | err = -EIO; | |
730 | goto error; | |
731 | } | |
732 | ||
733 | return c_header.bNrChannels; | |
734 | ||
735 | error: | |
736 | usb_audio_err(state->chip, "cannot request logical cluster ID: %d (err: %d)\n", cluster_id, err); | |
737 | return err; | |
738 | } | |
739 | ||
740 | /* | |
741 | * Get number of channels for a Mixer Unit. | |
742 | */ | |
743 | static int uac_mixer_unit_get_channels(struct mixer_build *state, | |
744 | struct uac_mixer_unit_descriptor *desc) | |
745 | { | |
746 | int mu_channels; | |
6cfd839a JS |
747 | |
748 | switch (state->mixer->protocol) { | |
749 | case UAC_VERSION_1: | |
750 | case UAC_VERSION_2: | |
751 | default: | |
0bfe5e43 TI |
752 | if (desc->bLength < sizeof(*desc) + desc->bNrInPins + 1) |
753 | return 0; /* no bmControls -> skip */ | |
6cfd839a JS |
754 | mu_channels = uac_mixer_unit_bNrChannels(desc); |
755 | break; | |
756 | case UAC_VERSION_3: | |
757 | mu_channels = get_cluster_channels_v3(state, | |
758 | uac3_mixer_unit_wClusterDescrID(desc)); | |
759 | break; | |
760 | } | |
761 | ||
6cfd839a JS |
762 | return mu_channels; |
763 | } | |
764 | ||
e0ccdef9 TI |
765 | /* |
766 | * Parse Input Terminal Unit | |
767 | */ | |
768 | static int __check_input_term(struct mixer_build *state, int id, | |
769 | struct usb_audio_term *term); | |
770 | ||
771 | static int parse_term_uac1_iterm_unit(struct mixer_build *state, | |
772 | struct usb_audio_term *term, | |
773 | void *p1, int id) | |
774 | { | |
775 | struct uac_input_terminal_descriptor *d = p1; | |
776 | ||
777 | term->type = le16_to_cpu(d->wTerminalType); | |
778 | term->channels = d->bNrChannels; | |
779 | term->chconfig = le16_to_cpu(d->wChannelConfig); | |
780 | term->name = d->iTerminal; | |
781 | return 0; | |
782 | } | |
783 | ||
784 | static int parse_term_uac2_iterm_unit(struct mixer_build *state, | |
785 | struct usb_audio_term *term, | |
786 | void *p1, int id) | |
787 | { | |
788 | struct uac2_input_terminal_descriptor *d = p1; | |
789 | int err; | |
790 | ||
791 | /* call recursively to verify the referenced clock entity */ | |
792 | err = __check_input_term(state, d->bCSourceID, term); | |
793 | if (err < 0) | |
794 | return err; | |
795 | ||
796 | /* save input term properties after recursion, | |
797 | * to ensure they are not overriden by the recursion calls | |
798 | */ | |
799 | term->id = id; | |
800 | term->type = le16_to_cpu(d->wTerminalType); | |
801 | term->channels = d->bNrChannels; | |
802 | term->chconfig = le32_to_cpu(d->bmChannelConfig); | |
803 | term->name = d->iTerminal; | |
804 | return 0; | |
805 | } | |
806 | ||
807 | static int parse_term_uac3_iterm_unit(struct mixer_build *state, | |
808 | struct usb_audio_term *term, | |
809 | void *p1, int id) | |
810 | { | |
811 | struct uac3_input_terminal_descriptor *d = p1; | |
812 | int err; | |
813 | ||
814 | /* call recursively to verify the referenced clock entity */ | |
815 | err = __check_input_term(state, d->bCSourceID, term); | |
816 | if (err < 0) | |
817 | return err; | |
818 | ||
819 | /* save input term properties after recursion, | |
820 | * to ensure they are not overriden by the recursion calls | |
821 | */ | |
822 | term->id = id; | |
823 | term->type = le16_to_cpu(d->wTerminalType); | |
824 | ||
825 | err = get_cluster_channels_v3(state, le16_to_cpu(d->wClusterDescrID)); | |
826 | if (err < 0) | |
827 | return err; | |
828 | term->channels = err; | |
829 | ||
830 | /* REVISIT: UAC3 IT doesn't have channels cfg */ | |
831 | term->chconfig = 0; | |
832 | ||
833 | term->name = le16_to_cpu(d->wTerminalDescrStr); | |
834 | return 0; | |
835 | } | |
836 | ||
837 | static int parse_term_mixer_unit(struct mixer_build *state, | |
838 | struct usb_audio_term *term, | |
839 | void *p1, int id) | |
840 | { | |
841 | struct uac_mixer_unit_descriptor *d = p1; | |
842 | int protocol = state->mixer->protocol; | |
843 | int err; | |
844 | ||
845 | err = uac_mixer_unit_get_channels(state, d); | |
846 | if (err <= 0) | |
847 | return err; | |
848 | ||
849 | term->type = UAC3_MIXER_UNIT << 16; /* virtual type */ | |
850 | term->channels = err; | |
851 | if (protocol != UAC_VERSION_3) { | |
852 | term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol); | |
853 | term->name = uac_mixer_unit_iMixer(d); | |
854 | } | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static int parse_term_selector_unit(struct mixer_build *state, | |
859 | struct usb_audio_term *term, | |
860 | void *p1, int id) | |
861 | { | |
862 | struct uac_selector_unit_descriptor *d = p1; | |
863 | int err; | |
864 | ||
865 | /* call recursively to retrieve the channel info */ | |
866 | err = __check_input_term(state, d->baSourceID[0], term); | |
867 | if (err < 0) | |
868 | return err; | |
869 | term->type = UAC3_SELECTOR_UNIT << 16; /* virtual type */ | |
870 | term->id = id; | |
871 | if (state->mixer->protocol != UAC_VERSION_3) | |
872 | term->name = uac_selector_unit_iSelector(d); | |
873 | return 0; | |
874 | } | |
875 | ||
876 | static int parse_term_proc_unit(struct mixer_build *state, | |
877 | struct usb_audio_term *term, | |
878 | void *p1, int id, int vtype) | |
879 | { | |
880 | struct uac_processing_unit_descriptor *d = p1; | |
881 | int protocol = state->mixer->protocol; | |
882 | int err; | |
883 | ||
884 | if (d->bNrInPins) { | |
885 | /* call recursively to retrieve the channel info */ | |
886 | err = __check_input_term(state, d->baSourceID[0], term); | |
887 | if (err < 0) | |
888 | return err; | |
889 | } | |
890 | ||
891 | term->type = vtype << 16; /* virtual type */ | |
892 | term->id = id; | |
893 | ||
894 | if (protocol == UAC_VERSION_3) | |
895 | return 0; | |
896 | ||
897 | if (!term->channels) { | |
898 | term->channels = uac_processing_unit_bNrChannels(d); | |
899 | term->chconfig = uac_processing_unit_wChannelConfig(d, protocol); | |
900 | } | |
901 | term->name = uac_processing_unit_iProcessing(d, protocol); | |
902 | return 0; | |
903 | } | |
904 | ||
d75a170f TI |
905 | static int parse_term_effect_unit(struct mixer_build *state, |
906 | struct usb_audio_term *term, | |
907 | void *p1, int id) | |
908 | { | |
60081b35 TI |
909 | struct uac2_effect_unit_descriptor *d = p1; |
910 | int err; | |
911 | ||
912 | err = __check_input_term(state, d->bSourceID, term); | |
913 | if (err < 0) | |
914 | return err; | |
d75a170f TI |
915 | term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */ |
916 | term->id = id; | |
917 | return 0; | |
918 | } | |
919 | ||
e0ccdef9 TI |
920 | static int parse_term_uac2_clock_source(struct mixer_build *state, |
921 | struct usb_audio_term *term, | |
922 | void *p1, int id) | |
923 | { | |
924 | struct uac_clock_source_descriptor *d = p1; | |
925 | ||
926 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ | |
927 | term->id = id; | |
928 | term->name = d->iClockSource; | |
929 | return 0; | |
930 | } | |
931 | ||
932 | static int parse_term_uac3_clock_source(struct mixer_build *state, | |
933 | struct usb_audio_term *term, | |
934 | void *p1, int id) | |
935 | { | |
936 | struct uac3_clock_source_descriptor *d = p1; | |
937 | ||
938 | term->type = UAC3_CLOCK_SOURCE << 16; /* virtual type */ | |
939 | term->id = id; | |
940 | term->name = le16_to_cpu(d->wClockSourceStr); | |
941 | return 0; | |
942 | } | |
943 | ||
944 | #define PTYPE(a, b) ((a) << 8 | (b)) | |
945 | ||
1da177e4 LT |
946 | /* |
947 | * parse the source unit recursively until it reaches to a terminal | |
948 | * or a branched unit. | |
949 | */ | |
19bce474 | 950 | static int __check_input_term(struct mixer_build *state, int id, |
e0ccdef9 | 951 | struct usb_audio_term *term) |
1da177e4 | 952 | { |
9a2fe9b8 | 953 | int protocol = state->mixer->protocol; |
23caaf19 | 954 | void *p1; |
19bce474 | 955 | unsigned char *hdr; |
1da177e4 | 956 | |
19bce474 HP |
957 | for (;;) { |
958 | /* a loop in the terminal chain? */ | |
959 | if (test_and_set_bit(id, state->termbitmap)) | |
960 | return -EINVAL; | |
961 | ||
962 | p1 = find_audio_control_unit(state, id); | |
963 | if (!p1) | |
964 | break; | |
57f87706 TI |
965 | if (!snd_usb_validate_audio_desc(p1, protocol)) |
966 | break; /* bad descriptor */ | |
19bce474 HP |
967 | |
968 | hdr = p1; | |
1da177e4 | 969 | term->id = id; |
9a2fe9b8 | 970 | |
e0ccdef9 TI |
971 | switch (PTYPE(protocol, hdr[2])) { |
972 | case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): | |
973 | case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): | |
974 | case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): { | |
975 | /* the header is the same for all versions */ | |
976 | struct uac_feature_unit_descriptor *d = p1; | |
9a2fe9b8 | 977 | |
e0ccdef9 TI |
978 | id = d->bSourceID; |
979 | break; /* continue to parse */ | |
980 | } | |
981 | case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): | |
982 | return parse_term_uac1_iterm_unit(state, term, p1, id); | |
983 | case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): | |
984 | return parse_term_uac2_iterm_unit(state, term, p1, id); | |
985 | case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): | |
986 | return parse_term_uac3_iterm_unit(state, term, p1, id); | |
987 | case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): | |
988 | case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): | |
989 | case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): | |
990 | return parse_term_mixer_unit(state, term, p1, id); | |
991 | case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): | |
992 | case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): | |
993 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): | |
994 | case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): | |
995 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): | |
996 | return parse_term_selector_unit(state, term, p1, id); | |
997 | case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): | |
998 | case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): | |
999 | case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): | |
1000 | return parse_term_proc_unit(state, term, p1, id, | |
1001 | UAC3_PROCESSING_UNIT); | |
1002 | case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): | |
1003 | case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): | |
d75a170f | 1004 | return parse_term_effect_unit(state, term, p1, id); |
e0ccdef9 TI |
1005 | case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): |
1006 | case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): | |
1007 | case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): | |
1008 | return parse_term_proc_unit(state, term, p1, id, | |
1009 | UAC3_EXTENSION_UNIT); | |
1010 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): | |
1011 | return parse_term_uac2_clock_source(state, term, p1, id); | |
1012 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): | |
1013 | return parse_term_uac3_clock_source(state, term, p1, id); | |
1014 | default: | |
1015 | return -ENODEV; | |
1da177e4 LT |
1016 | } |
1017 | } | |
1018 | return -ENODEV; | |
1019 | } | |
1020 | ||
19bce474 HP |
1021 | |
1022 | static int check_input_term(struct mixer_build *state, int id, | |
1023 | struct usb_audio_term *term) | |
1024 | { | |
1025 | memset(term, 0, sizeof(*term)); | |
1026 | memset(state->termbitmap, 0, sizeof(state->termbitmap)); | |
1027 | return __check_input_term(state, id, term); | |
1028 | } | |
1029 | ||
1da177e4 LT |
1030 | /* |
1031 | * Feature Unit | |
1032 | */ | |
1033 | ||
1034 | /* feature unit control information */ | |
1035 | struct usb_feature_control_info { | |
21e9b3e9 | 1036 | int control; |
1da177e4 | 1037 | const char *name; |
bc18e31c JS |
1038 | int type; /* data type for uac1 */ |
1039 | int type_uac2; /* data type for uac2 if different from uac1, else -1 */ | |
1da177e4 LT |
1040 | }; |
1041 | ||
a01df925 | 1042 | static const struct usb_feature_control_info audio_feature_info[] = { |
21e9b3e9 AC |
1043 | { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 }, |
1044 | { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 }, | |
1045 | { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 }, | |
1046 | { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 }, | |
1047 | { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 }, | |
1048 | { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */ | |
1049 | { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 }, | |
1050 | { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 }, | |
1051 | { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 }, | |
1052 | { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 }, | |
2e0281d1 | 1053 | /* UAC2 specific */ |
21e9b3e9 AC |
1054 | { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 }, |
1055 | { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 }, | |
1056 | { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 }, | |
1da177e4 LT |
1057 | }; |
1058 | ||
52c3e317 TI |
1059 | static void usb_mixer_elem_info_free(struct usb_mixer_elem_info *cval) |
1060 | { | |
1061 | kfree(cval); | |
1062 | } | |
1063 | ||
1da177e4 | 1064 | /* private_free callback */ |
eef90451 | 1065 | void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 1066 | { |
52c3e317 | 1067 | usb_mixer_elem_info_free(kctl->private_data); |
4d572776 | 1068 | kctl->private_data = NULL; |
1da177e4 LT |
1069 | } |
1070 | ||
1da177e4 LT |
1071 | /* |
1072 | * interface to ALSA control for feature/mixer units | |
1073 | */ | |
1074 | ||
dcaaf9f2 TI |
1075 | /* volume control quirks */ |
1076 | static void volume_control_quirks(struct usb_mixer_elem_info *cval, | |
1077 | struct snd_kcontrol *kctl) | |
1078 | { | |
3360b84b | 1079 | struct snd_usb_audio *chip = cval->head.mixer->chip; |
0ba41d91 | 1080 | switch (chip->usb_id) { |
d50ed624 | 1081 | case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */ |
e9a25e04 | 1082 | case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */ |
d50ed624 EZ |
1083 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { |
1084 | cval->min = 0x0000; | |
1085 | cval->max = 0xffff; | |
1086 | cval->res = 0x00e6; | |
1087 | break; | |
1088 | } | |
1089 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || | |
1090 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { | |
1091 | cval->min = 0x00; | |
1092 | cval->max = 0xff; | |
1093 | break; | |
1094 | } | |
1095 | if (strstr(kctl->id.name, "Effect Return") != NULL) { | |
1096 | cval->min = 0xb706; | |
1097 | cval->max = 0xff7b; | |
1098 | cval->res = 0x0073; | |
1099 | break; | |
1100 | } | |
1101 | if ((strstr(kctl->id.name, "Playback Volume") != NULL) || | |
1102 | (strstr(kctl->id.name, "Effect Send") != NULL)) { | |
1103 | cval->min = 0xb5fb; /* -73 dB = 0xb6ff */ | |
1104 | cval->max = 0xfcfe; | |
1105 | cval->res = 0x0073; | |
1106 | } | |
1107 | break; | |
1108 | ||
d34bf148 FH |
1109 | case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ |
1110 | case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ | |
1111 | if (strcmp(kctl->id.name, "Effect Duration") == 0) { | |
0ba41d91 TI |
1112 | usb_audio_info(chip, |
1113 | "set quirk for FTU Effect Duration\n"); | |
d34bf148 FH |
1114 | cval->min = 0x0000; |
1115 | cval->max = 0x7f00; | |
1116 | cval->res = 0x0100; | |
1117 | break; | |
1118 | } | |
1119 | if (strcmp(kctl->id.name, "Effect Volume") == 0 || | |
1120 | strcmp(kctl->id.name, "Effect Feedback Volume") == 0) { | |
0ba41d91 TI |
1121 | usb_audio_info(chip, |
1122 | "set quirks for FTU Effect Feedback/Volume\n"); | |
d34bf148 FH |
1123 | cval->min = 0x00; |
1124 | cval->max = 0x7f; | |
1125 | break; | |
1126 | } | |
1127 | break; | |
1128 | ||
21493316 FC |
1129 | case USB_ID(0x0d8c, 0x0103): |
1130 | if (!strcmp(kctl->id.name, "PCM Playback Volume")) { | |
1131 | usb_audio_info(chip, | |
1132 | "set volume quirk for CM102-A+/102S+\n"); | |
1133 | cval->min = -256; | |
1134 | } | |
1135 | break; | |
1136 | ||
dcaaf9f2 TI |
1137 | case USB_ID(0x0471, 0x0101): |
1138 | case USB_ID(0x0471, 0x0104): | |
1139 | case USB_ID(0x0471, 0x0105): | |
1140 | case USB_ID(0x0672, 0x1041): | |
1141 | /* quirk for UDA1321/N101. | |
1142 | * note that detection between firmware 2.1.1.7 (N101) | |
1143 | * and later 2.1.1.21 is not very clear from datasheets. | |
1144 | * I hope that the min value is -15360 for newer firmware --jk | |
1145 | */ | |
1146 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && | |
1147 | cval->min == -15616) { | |
0ba41d91 | 1148 | usb_audio_info(chip, |
dcaaf9f2 TI |
1149 | "set volume quirk for UDA1321/N101 chip\n"); |
1150 | cval->max = -256; | |
1151 | } | |
1152 | break; | |
1153 | ||
1154 | case USB_ID(0x046d, 0x09a4): | |
1155 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
0ba41d91 | 1156 | usb_audio_info(chip, |
dcaaf9f2 TI |
1157 | "set volume quirk for QuickCam E3500\n"); |
1158 | cval->min = 6080; | |
1159 | cval->max = 8768; | |
1160 | cval->res = 192; | |
1161 | } | |
1162 | break; | |
1163 | ||
e805ca8b | 1164 | case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */ |
dcaaf9f2 TI |
1165 | case USB_ID(0x046d, 0x0808): |
1166 | case USB_ID(0x046d, 0x0809): | |
64559311 | 1167 | case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */ |
36691e1b | 1168 | case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ |
55c0008b | 1169 | case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ |
11e7064f | 1170 | case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ |
140d37de | 1171 | case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ |
1ef9f058 | 1172 | case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */ |
dcaaf9f2 | 1173 | case USB_ID(0x046d, 0x0991): |
82ffb6fc | 1174 | case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */ |
dcaaf9f2 TI |
1175 | /* Most audio usb devices lie about volume resolution. |
1176 | * Most Logitech webcams have res = 384. | |
82ffb6fc | 1177 | * Probably there is some logitech magic behind this number --fishor |
dcaaf9f2 TI |
1178 | */ |
1179 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
0ba41d91 | 1180 | usb_audio_info(chip, |
dcaaf9f2 TI |
1181 | "set resolution quirk: cval->res = 384\n"); |
1182 | cval->res = 384; | |
1183 | } | |
1184 | break; | |
dcaaf9f2 TI |
1185 | } |
1186 | } | |
1187 | ||
1da177e4 LT |
1188 | /* |
1189 | * retrieve the minimum and maximum values for the specified control | |
1190 | */ | |
dcaaf9f2 TI |
1191 | static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval, |
1192 | int default_min, struct snd_kcontrol *kctl) | |
1da177e4 LT |
1193 | { |
1194 | /* for failsafe */ | |
1195 | cval->min = default_min; | |
1196 | cval->max = cval->min + 1; | |
1197 | cval->res = 1; | |
c3a3e040 | 1198 | cval->dBmin = cval->dBmax = 0; |
1da177e4 LT |
1199 | |
1200 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1201 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
1202 | cval->initialized = 1; | |
1203 | } else { | |
1204 | int minchn = 0; | |
1205 | if (cval->cmask) { | |
1206 | int i; | |
1207 | for (i = 0; i < MAX_CHANNELS; i++) | |
1208 | if (cval->cmask & (1 << i)) { | |
1209 | minchn = i + 1; | |
1210 | break; | |
1211 | } | |
1212 | } | |
de48c7bc DM |
1213 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
1214 | get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
3360b84b | 1215 | usb_audio_err(cval->head.mixer->chip, |
0ba41d91 | 1216 | "%d:%d: cannot get min/max values for control %d (id %d)\n", |
0aef31b7 | 1217 | cval->head.id, mixer_ctrl_intf(cval->head.mixer), |
3360b84b | 1218 | cval->control, cval->head.id); |
1da177e4 LT |
1219 | return -EINVAL; |
1220 | } | |
6bc170e4 DM |
1221 | if (get_ctl_value(cval, UAC_GET_RES, |
1222 | (cval->control << 8) | minchn, | |
1223 | &cval->res) < 0) { | |
1da177e4 LT |
1224 | cval->res = 1; |
1225 | } else { | |
1226 | int last_valid_res = cval->res; | |
1227 | ||
1228 | while (cval->res > 1) { | |
7b1eda22 | 1229 | if (snd_usb_mixer_set_ctl_value(cval, UAC_SET_RES, |
6bc170e4 DM |
1230 | (cval->control << 8) | minchn, |
1231 | cval->res / 2) < 0) | |
1da177e4 LT |
1232 | break; |
1233 | cval->res /= 2; | |
1234 | } | |
6bc170e4 DM |
1235 | if (get_ctl_value(cval, UAC_GET_RES, |
1236 | (cval->control << 8) | minchn, &cval->res) < 0) | |
1da177e4 LT |
1237 | cval->res = last_valid_res; |
1238 | } | |
1239 | if (cval->res == 0) | |
1240 | cval->res = 1; | |
14790f1c TI |
1241 | |
1242 | /* Additional checks for the proper resolution | |
1243 | * | |
1244 | * Some devices report smaller resolutions than actually | |
1245 | * reacting. They don't return errors but simply clip | |
1246 | * to the lower aligned value. | |
1247 | */ | |
1248 | if (cval->min + cval->res < cval->max) { | |
1249 | int last_valid_res = cval->res; | |
1250 | int saved, test, check; | |
167beb17 TI |
1251 | if (get_cur_mix_raw(cval, minchn, &saved) < 0) |
1252 | goto no_res_check; | |
14790f1c TI |
1253 | for (;;) { |
1254 | test = saved; | |
1255 | if (test < cval->max) | |
1256 | test += cval->res; | |
1257 | else | |
1258 | test -= cval->res; | |
1259 | if (test < cval->min || test > cval->max || | |
eef90451 | 1260 | snd_usb_set_cur_mix_value(cval, minchn, 0, test) || |
641b4879 | 1261 | get_cur_mix_raw(cval, minchn, &check)) { |
14790f1c TI |
1262 | cval->res = last_valid_res; |
1263 | break; | |
1264 | } | |
1265 | if (test == check) | |
1266 | break; | |
1267 | cval->res *= 2; | |
1268 | } | |
eef90451 | 1269 | snd_usb_set_cur_mix_value(cval, minchn, 0, saved); |
14790f1c TI |
1270 | } |
1271 | ||
167beb17 | 1272 | no_res_check: |
1da177e4 LT |
1273 | cval->initialized = 1; |
1274 | } | |
c3a3e040 | 1275 | |
dcaaf9f2 TI |
1276 | if (kctl) |
1277 | volume_control_quirks(cval, kctl); | |
1278 | ||
c3a3e040 JK |
1279 | /* USB descriptions contain the dB scale in 1/256 dB unit |
1280 | * while ALSA TLV contains in 1/100 dB unit | |
1281 | */ | |
1282 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; | |
1283 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; | |
1284 | if (cval->dBmin > cval->dBmax) { | |
1285 | /* something is wrong; assume it's either from/to 0dB */ | |
1286 | if (cval->dBmin < 0) | |
1287 | cval->dBmax = 0; | |
1288 | else if (cval->dBmin > 0) | |
1289 | cval->dBmin = 0; | |
1290 | if (cval->dBmin > cval->dBmax) { | |
1291 | /* totally crap, return an error */ | |
1292 | return -EINVAL; | |
1293 | } | |
1294 | } | |
1295 | ||
1da177e4 LT |
1296 | return 0; |
1297 | } | |
1298 | ||
dcaaf9f2 | 1299 | #define get_min_max(cval, def) get_min_max_with_quirks(cval, def, NULL) |
1da177e4 LT |
1300 | |
1301 | /* get a feature/mixer unit info */ | |
6bc170e4 DM |
1302 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, |
1303 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 | 1304 | { |
86e07d34 | 1305 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1306 | |
1307 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1308 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
1309 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1310 | else | |
1311 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1312 | uinfo->count = cval->channels; | |
1313 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
1314 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
1315 | uinfo->value.integer.min = 0; | |
1316 | uinfo->value.integer.max = 1; | |
1317 | } else { | |
9fcd0ab1 | 1318 | if (!cval->initialized) { |
dcaaf9f2 | 1319 | get_min_max_with_quirks(cval, 0, kcontrol); |
9fcd0ab1 TI |
1320 | if (cval->initialized && cval->dBmin >= cval->dBmax) { |
1321 | kcontrol->vd[0].access &= | |
1322 | ~(SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1323 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK); | |
3360b84b | 1324 | snd_ctl_notify(cval->head.mixer->chip->card, |
9fcd0ab1 TI |
1325 | SNDRV_CTL_EVENT_MASK_INFO, |
1326 | &kcontrol->id); | |
1327 | } | |
1328 | } | |
1da177e4 | 1329 | uinfo->value.integer.min = 0; |
14790f1c TI |
1330 | uinfo->value.integer.max = |
1331 | (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
1332 | } |
1333 | return 0; | |
1334 | } | |
1335 | ||
1336 | /* get the current value from feature/mixer unit */ | |
6bc170e4 DM |
1337 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, |
1338 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1339 | { |
86e07d34 | 1340 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1341 | int c, cnt, val, err; |
1342 | ||
641b4879 | 1343 | ucontrol->value.integer.value[0] = cval->min; |
1da177e4 LT |
1344 | if (cval->cmask) { |
1345 | cnt = 0; | |
1346 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
1347 | if (!(cval->cmask & (1 << c))) |
1348 | continue; | |
eef90451 | 1349 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val); |
641b4879 | 1350 | if (err < 0) |
5aeee342 | 1351 | return filter_error(cval, err); |
641b4879 TI |
1352 | val = get_relative_value(cval, val); |
1353 | ucontrol->value.integer.value[cnt] = val; | |
1354 | cnt++; | |
1da177e4 | 1355 | } |
641b4879 | 1356 | return 0; |
1da177e4 LT |
1357 | } else { |
1358 | /* master channel */ | |
eef90451 | 1359 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); |
641b4879 | 1360 | if (err < 0) |
5aeee342 | 1361 | return filter_error(cval, err); |
1da177e4 LT |
1362 | val = get_relative_value(cval, val); |
1363 | ucontrol->value.integer.value[0] = val; | |
1364 | } | |
1365 | return 0; | |
1366 | } | |
1367 | ||
1368 | /* put the current value to feature/mixer unit */ | |
6bc170e4 DM |
1369 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, |
1370 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 1371 | { |
86e07d34 | 1372 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1373 | int c, cnt, val, oval, err; |
1374 | int changed = 0; | |
1375 | ||
1376 | if (cval->cmask) { | |
1377 | cnt = 0; | |
1378 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
1379 | if (!(cval->cmask & (1 << c))) |
1380 | continue; | |
eef90451 | 1381 | err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval); |
641b4879 | 1382 | if (err < 0) |
5aeee342 | 1383 | return filter_error(cval, err); |
641b4879 TI |
1384 | val = ucontrol->value.integer.value[cnt]; |
1385 | val = get_abs_value(cval, val); | |
1386 | if (oval != val) { | |
eef90451 | 1387 | snd_usb_set_cur_mix_value(cval, c + 1, cnt, val); |
641b4879 | 1388 | changed = 1; |
1da177e4 | 1389 | } |
641b4879 | 1390 | cnt++; |
1da177e4 LT |
1391 | } |
1392 | } else { | |
1393 | /* master channel */ | |
eef90451 | 1394 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval); |
1da177e4 | 1395 | if (err < 0) |
5aeee342 | 1396 | return filter_error(cval, err); |
1da177e4 LT |
1397 | val = ucontrol->value.integer.value[0]; |
1398 | val = get_abs_value(cval, val); | |
1399 | if (val != oval) { | |
eef90451 | 1400 | snd_usb_set_cur_mix_value(cval, 0, 0, val); |
1da177e4 LT |
1401 | changed = 1; |
1402 | } | |
1403 | } | |
1404 | return changed; | |
1405 | } | |
1406 | ||
568fa7e0 AC |
1407 | /* get the boolean value from the master channel of a UAC control */ |
1408 | static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol, | |
1409 | struct snd_ctl_elem_value *ucontrol) | |
5a222e84 AC |
1410 | { |
1411 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
1412 | int val, err; | |
1413 | ||
1414 | err = snd_usb_get_cur_mix_value(cval, 0, 0, &val); | |
1415 | if (err < 0) | |
1416 | return filter_error(cval, err); | |
1417 | val = (val != 0); | |
1418 | ucontrol->value.integer.value[0] = val; | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1d38f5d8 JS |
1422 | /* get the connectors status and report it as boolean type */ |
1423 | static int mixer_ctl_connector_get(struct snd_kcontrol *kcontrol, | |
1424 | struct snd_ctl_elem_value *ucontrol) | |
1425 | { | |
1426 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
1427 | struct snd_usb_audio *chip = cval->head.mixer->chip; | |
1428 | int idx = 0, validx, ret, val; | |
1429 | ||
1430 | validx = cval->control << 8 | 0; | |
1431 | ||
1432 | ret = snd_usb_lock_shutdown(chip) ? -EIO : 0; | |
1433 | if (ret) | |
1434 | goto error; | |
1435 | ||
0aef31b7 | 1436 | idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8); |
1d38f5d8 JS |
1437 | if (cval->head.mixer->protocol == UAC_VERSION_2) { |
1438 | struct uac2_connectors_ctl_blk uac2_conn; | |
1439 | ||
1440 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, | |
1441 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
1442 | validx, idx, &uac2_conn, sizeof(uac2_conn)); | |
1443 | val = !!uac2_conn.bNrChannels; | |
1444 | } else { /* UAC_VERSION_3 */ | |
1445 | struct uac3_insertion_ctl_blk uac3_conn; | |
1446 | ||
1447 | ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_CUR, | |
1448 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
1449 | validx, idx, &uac3_conn, sizeof(uac3_conn)); | |
1450 | val = !!uac3_conn.bmConInserted; | |
1451 | } | |
1452 | ||
1453 | snd_usb_unlock_shutdown(chip); | |
1454 | ||
1455 | if (ret < 0) { | |
1456 | error: | |
1457 | usb_audio_err(chip, | |
1458 | "cannot get connectors status: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", | |
1459 | UAC_GET_CUR, validx, idx, cval->val_type); | |
48cc4297 | 1460 | return filter_error(cval, ret); |
1d38f5d8 JS |
1461 | } |
1462 | ||
1463 | ucontrol->value.integer.value[0] = val; | |
1464 | return 0; | |
1465 | } | |
1466 | ||
195727e8 | 1467 | static const struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
1468 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1469 | .name = "", /* will be filled later manually */ | |
1470 | .info = mixer_ctl_feature_info, | |
1471 | .get = mixer_ctl_feature_get, | |
1472 | .put = mixer_ctl_feature_put, | |
1473 | }; | |
1474 | ||
23caaf19 | 1475 | /* the read-only variant */ |
8fdaebbb | 1476 | static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { |
23caaf19 DM |
1477 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1478 | .name = "", /* will be filled later manually */ | |
1479 | .info = mixer_ctl_feature_info, | |
1480 | .get = mixer_ctl_feature_get, | |
1481 | .put = NULL, | |
1482 | }; | |
1483 | ||
568fa7e0 AC |
1484 | /* |
1485 | * A control which shows the boolean value from reading a UAC control on | |
1486 | * the master channel. | |
1487 | */ | |
195727e8 | 1488 | static const struct snd_kcontrol_new usb_bool_master_control_ctl_ro = { |
5a222e84 AC |
1489 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, |
1490 | .name = "", /* will be filled later manually */ | |
1491 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1492 | .info = snd_ctl_boolean_mono_info, | |
568fa7e0 | 1493 | .get = mixer_ctl_master_bool_get, |
5a222e84 AC |
1494 | .put = NULL, |
1495 | }; | |
1496 | ||
1d38f5d8 JS |
1497 | static const struct snd_kcontrol_new usb_connector_ctl_ro = { |
1498 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
1499 | .name = "", /* will be filled later manually */ | |
1500 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1501 | .info = snd_ctl_boolean_mono_info, | |
1502 | .get = mixer_ctl_connector_get, | |
1503 | .put = NULL, | |
1504 | }; | |
1505 | ||
6bc170e4 DM |
1506 | /* |
1507 | * This symbol is exported in order to allow the mixer quirks to | |
1508 | * hook up to the standard feature unit control mechanism | |
1509 | */ | |
195727e8 | 1510 | const struct snd_kcontrol_new *snd_usb_feature_unit_ctl = &usb_feature_unit_ctl; |
1da177e4 LT |
1511 | |
1512 | /* | |
1513 | * build a feature control | |
1514 | */ | |
08d1e635 TI |
1515 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
1516 | { | |
1517 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); | |
1518 | } | |
1519 | ||
6bc170e4 DM |
1520 | /* |
1521 | * A lot of headsets/headphones have a "Speaker" mixer. Make sure we | |
1522 | * rename it to "Headphone". We determine if something is a headphone | |
1523 | * similar to how udev determines form factor. | |
1524 | */ | |
9b4ef977 DH |
1525 | static void check_no_speaker_on_headset(struct snd_kcontrol *kctl, |
1526 | struct snd_card *card) | |
1527 | { | |
1528 | const char *names_to_check[] = { | |
1529 | "Headset", "headset", "Headphone", "headphone", NULL}; | |
1530 | const char **s; | |
e0f17c75 | 1531 | bool found = false; |
9b4ef977 DH |
1532 | |
1533 | if (strcmp("Speaker", kctl->id.name)) | |
1534 | return; | |
1535 | ||
1536 | for (s = names_to_check; *s; s++) | |
1537 | if (strstr(card->shortname, *s)) { | |
e0f17c75 | 1538 | found = true; |
9b4ef977 DH |
1539 | break; |
1540 | } | |
1541 | ||
1542 | if (!found) | |
1543 | return; | |
1544 | ||
1545 | strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name)); | |
1546 | } | |
1547 | ||
a01df925 | 1548 | static const struct usb_feature_control_info *get_feature_control_info(int control) |
21e9b3e9 AC |
1549 | { |
1550 | int i; | |
1551 | ||
1552 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) { | |
1553 | if (audio_feature_info[i].control == control) | |
1554 | return &audio_feature_info[i]; | |
1555 | } | |
1556 | return NULL; | |
1557 | } | |
1558 | ||
17156f23 RB |
1559 | static void __build_feature_ctl(struct usb_mixer_interface *mixer, |
1560 | const struct usbmix_name_map *imap, | |
1561 | unsigned int ctl_mask, int control, | |
1562 | struct usb_audio_term *iterm, | |
1563 | struct usb_audio_term *oterm, | |
1564 | int unitid, int nameid, int readonly_mask) | |
1da177e4 | 1565 | { |
a01df925 | 1566 | const struct usb_feature_control_info *ctl_info; |
1da177e4 LT |
1567 | unsigned int len = 0; |
1568 | int mapped_name = 0; | |
86e07d34 TI |
1569 | struct snd_kcontrol *kctl; |
1570 | struct usb_mixer_elem_info *cval; | |
c3a3e040 | 1571 | const struct usbmix_name_map *map; |
80acefff | 1572 | unsigned int range; |
1da177e4 | 1573 | |
65f25da4 | 1574 | if (control == UAC_FU_GRAPHIC_EQUALIZER) { |
1da177e4 LT |
1575 | /* FIXME: not supported yet */ |
1576 | return; | |
1577 | } | |
1578 | ||
17156f23 | 1579 | map = find_map(imap, unitid, control); |
c3a3e040 | 1580 | if (check_ignored_ctl(map)) |
1da177e4 LT |
1581 | return; |
1582 | ||
561b220a | 1583 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 1584 | if (!cval) |
1da177e4 | 1585 | return; |
17156f23 | 1586 | snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid); |
1da177e4 LT |
1587 | cval->control = control; |
1588 | cval->cmask = ctl_mask; | |
21e9b3e9 AC |
1589 | |
1590 | ctl_info = get_feature_control_info(control); | |
62376025 | 1591 | if (!ctl_info) { |
52c3e317 | 1592 | usb_mixer_elem_info_free(cval); |
21e9b3e9 | 1593 | return; |
62376025 | 1594 | } |
17156f23 | 1595 | if (mixer->protocol == UAC_VERSION_1) |
bc18e31c JS |
1596 | cval->val_type = ctl_info->type; |
1597 | else /* UAC_VERSION_2 */ | |
1598 | cval->val_type = ctl_info->type_uac2 >= 0 ? | |
1599 | ctl_info->type_uac2 : ctl_info->type; | |
1600 | ||
a6a33259 | 1601 | if (ctl_mask == 0) { |
1da177e4 | 1602 | cval->channels = 1; /* master channel */ |
a6a33259 DM |
1603 | cval->master_readonly = readonly_mask; |
1604 | } else { | |
1da177e4 LT |
1605 | int i, c = 0; |
1606 | for (i = 0; i < 16; i++) | |
1607 | if (ctl_mask & (1 << i)) | |
1608 | c++; | |
1609 | cval->channels = c; | |
a6a33259 | 1610 | cval->ch_readonly = readonly_mask; |
1da177e4 LT |
1611 | } |
1612 | ||
6bc170e4 DM |
1613 | /* |
1614 | * If all channels in the mask are marked read-only, make the control | |
eef90451 | 1615 | * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't |
6bc170e4 DM |
1616 | * issue write commands to read-only channels. |
1617 | */ | |
a6a33259 | 1618 | if (cval->channels == readonly_mask) |
23caaf19 DM |
1619 | kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); |
1620 | else | |
1621 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1622 | ||
6bc170e4 | 1623 | if (!kctl) { |
17156f23 | 1624 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
52c3e317 | 1625 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
1626 | return; |
1627 | } | |
eef90451 | 1628 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 1629 | |
c3a3e040 | 1630 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 | 1631 | mapped_name = len != 0; |
6bc170e4 | 1632 | if (!len && nameid) |
17156f23 | 1633 | len = snd_usb_copy_string_desc(mixer->chip, nameid, |
c3a3e040 | 1634 | kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1635 | |
1636 | switch (control) { | |
65f25da4 DM |
1637 | case UAC_FU_MUTE: |
1638 | case UAC_FU_VOLUME: | |
6bc170e4 DM |
1639 | /* |
1640 | * determine the control name. the rule is: | |
1da177e4 LT |
1641 | * - if a name id is given in descriptor, use it. |
1642 | * - if the connected input can be determined, then use the name | |
1643 | * of terminal type. | |
1644 | * - if the connected output can be determined, use it. | |
1645 | * - otherwise, anonymous name. | |
1646 | */ | |
6bc170e4 | 1647 | if (!len) { |
17156f23 RB |
1648 | if (iterm) |
1649 | len = get_term_name(mixer->chip, iterm, | |
1650 | kctl->id.name, | |
1651 | sizeof(kctl->id.name), 1); | |
1652 | if (!len && oterm) | |
1653 | len = get_term_name(mixer->chip, oterm, | |
6bc170e4 DM |
1654 | kctl->id.name, |
1655 | sizeof(kctl->id.name), 1); | |
1656 | if (!len) | |
49fd46d2 DM |
1657 | snprintf(kctl->id.name, sizeof(kctl->id.name), |
1658 | "Feature %d", unitid); | |
1da177e4 | 1659 | } |
9b4ef977 DH |
1660 | |
1661 | if (!mapped_name) | |
17156f23 | 1662 | check_no_speaker_on_headset(kctl, mixer->chip->card); |
9b4ef977 | 1663 | |
6bc170e4 DM |
1664 | /* |
1665 | * determine the stream direction: | |
1da177e4 LT |
1666 | * if the connected output is USB stream, then it's likely a |
1667 | * capture stream. otherwise it should be playback (hopefully :) | |
1668 | */ | |
17156f23 RB |
1669 | if (!mapped_name && oterm && !(oterm->type >> 16)) { |
1670 | if ((oterm->type & 0xff00) == 0x0100) | |
49fd46d2 | 1671 | append_ctl_name(kctl, " Capture"); |
6bc170e4 | 1672 | else |
49fd46d2 | 1673 | append_ctl_name(kctl, " Playback"); |
1da177e4 | 1674 | } |
65f25da4 | 1675 | append_ctl_name(kctl, control == UAC_FU_MUTE ? |
08d1e635 | 1676 | " Switch" : " Volume"); |
1da177e4 | 1677 | break; |
1da177e4 | 1678 | default: |
6bc170e4 | 1679 | if (!len) |
1da177e4 LT |
1680 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, |
1681 | sizeof(kctl->id.name)); | |
1682 | break; | |
1683 | } | |
1684 | ||
e182534d TI |
1685 | /* get min/max values */ |
1686 | get_min_max_with_quirks(cval, 0, kctl); | |
1687 | ||
e9a0ef0b TI |
1688 | /* skip a bogus volume range */ |
1689 | if (cval->max <= cval->min) { | |
1690 | usb_audio_dbg(mixer->chip, | |
1691 | "[%d] FU [%s] skipped due to invalid volume\n", | |
1692 | cval->head.id, kctl->id.name); | |
1693 | snd_ctl_free_one(kctl); | |
1694 | return; | |
1695 | } | |
1696 | ||
1697 | ||
e182534d TI |
1698 | if (control == UAC_FU_VOLUME) { |
1699 | check_mapped_dB(map, cval); | |
1700 | if (cval->dBmin < cval->dBmax || !cval->initialized) { | |
1701 | kctl->tlv.c = snd_usb_mixer_vol_tlv; | |
1702 | kctl->vd[0].access |= | |
1703 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1704 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | |
1705 | } | |
1706 | } | |
1707 | ||
17156f23 | 1708 | snd_usb_mixer_fu_apply_quirk(mixer, cval, unitid, kctl); |
42e3121d | 1709 | |
80acefff | 1710 | range = (cval->max - cval->min) / cval->res; |
6bc170e4 DM |
1711 | /* |
1712 | * Are there devices with volume range more than 255? I use a bit more | |
80acefff OR |
1713 | * to be sure. 384 is a resolution magic number found on Logitech |
1714 | * devices. It will definitively catch all buggy Logitech devices. | |
1715 | */ | |
1716 | if (range > 384) { | |
17156f23 | 1717 | usb_audio_warn(mixer->chip, |
82c1cf0a | 1718 | "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", |
6bc170e4 | 1719 | range); |
17156f23 | 1720 | usb_audio_warn(mixer->chip, |
82c1cf0a | 1721 | "[%d] FU [%s] ch = %d, val = %d/%d/%d", |
3360b84b | 1722 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 | 1723 | cval->min, cval->max, cval->res); |
80acefff OR |
1724 | } |
1725 | ||
17156f23 | 1726 | usb_audio_dbg(mixer->chip, "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |
3360b84b | 1727 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 | 1728 | cval->min, cval->max, cval->res); |
3360b84b | 1729 | snd_usb_mixer_add_control(&cval->head, kctl); |
1da177e4 LT |
1730 | } |
1731 | ||
17156f23 RB |
1732 | static void build_feature_ctl(struct mixer_build *state, void *raw_desc, |
1733 | unsigned int ctl_mask, int control, | |
1734 | struct usb_audio_term *iterm, int unitid, | |
1735 | int readonly_mask) | |
1736 | { | |
1737 | struct uac_feature_unit_descriptor *desc = raw_desc; | |
1738 | int nameid = uac_feature_unit_iFeature(desc); | |
1739 | ||
1740 | __build_feature_ctl(state->mixer, state->map, ctl_mask, control, | |
1741 | iterm, &state->oterm, unitid, nameid, readonly_mask); | |
1742 | } | |
1743 | ||
1744 | static void build_feature_ctl_badd(struct usb_mixer_interface *mixer, | |
1745 | unsigned int ctl_mask, int control, int unitid, | |
1746 | const struct usbmix_name_map *badd_map) | |
1747 | { | |
1748 | __build_feature_ctl(mixer, badd_map, ctl_mask, control, | |
1749 | NULL, NULL, unitid, 0, 0); | |
1750 | } | |
1751 | ||
167e1fb1 | 1752 | static void get_connector_control_name(struct usb_mixer_interface *mixer, |
5a222e84 AC |
1753 | struct usb_audio_term *term, |
1754 | bool is_input, char *name, int name_size) | |
1755 | { | |
167e1fb1 | 1756 | int name_len = get_term_name(mixer->chip, term, name, name_size, 0); |
5a222e84 AC |
1757 | |
1758 | if (name_len == 0) | |
1759 | strlcpy(name, "Unknown", name_size); | |
1760 | ||
1761 | /* | |
1762 | * sound/core/ctljack.c has a convention of naming jack controls | |
1763 | * by ending in " Jack". Make it slightly more useful by | |
1764 | * indicating Input or Output after the terminal name. | |
1765 | */ | |
1766 | if (is_input) | |
1767 | strlcat(name, " - Input Jack", name_size); | |
1768 | else | |
1769 | strlcat(name, " - Output Jack", name_size); | |
1770 | } | |
1771 | ||
1772 | /* Build a mixer control for a UAC connector control (jack-detect) */ | |
167e1fb1 | 1773 | static void build_connector_control(struct usb_mixer_interface *mixer, |
934b9659 | 1774 | const struct usbmix_name_map *imap, |
5a222e84 AC |
1775 | struct usb_audio_term *term, bool is_input) |
1776 | { | |
1777 | struct snd_kcontrol *kctl; | |
1778 | struct usb_mixer_elem_info *cval; | |
a43c1c41 | 1779 | const struct usbmix_name_map *map; |
5a222e84 | 1780 | |
a43c1c41 TI |
1781 | map = find_map(imap, term->id, 0); |
1782 | if (check_ignored_ctl(map)) | |
934b9659 TI |
1783 | return; |
1784 | ||
5a222e84 AC |
1785 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1786 | if (!cval) | |
1787 | return; | |
167e1fb1 | 1788 | snd_usb_mixer_elem_init_std(&cval->head, mixer, term->id); |
568fa7e0 | 1789 | /* |
1d38f5d8 JS |
1790 | * UAC2: The first byte from reading the UAC2_TE_CONNECTOR control returns the |
1791 | * number of channels connected. | |
1792 | * | |
1793 | * UAC3: The first byte specifies size of bitmap for the inserted controls. The | |
1794 | * following byte(s) specifies which connectors are inserted. | |
1795 | * | |
1796 | * This boolean ctl will simply report if any channels are connected | |
1797 | * or not. | |
568fa7e0 | 1798 | */ |
167e1fb1 | 1799 | if (mixer->protocol == UAC_VERSION_2) |
1d38f5d8 JS |
1800 | cval->control = UAC2_TE_CONNECTOR; |
1801 | else /* UAC_VERSION_3 */ | |
1802 | cval->control = UAC3_TE_INSERTION; | |
1803 | ||
5a222e84 AC |
1804 | cval->val_type = USB_MIXER_BOOLEAN; |
1805 | cval->channels = 1; /* report true if any channel is connected */ | |
1806 | cval->min = 0; | |
1807 | cval->max = 1; | |
1d38f5d8 | 1808 | kctl = snd_ctl_new1(&usb_connector_ctl_ro, cval); |
5a222e84 | 1809 | if (!kctl) { |
167e1fb1 | 1810 | usb_audio_err(mixer->chip, "cannot malloc kcontrol\n"); |
52c3e317 | 1811 | usb_mixer_elem_info_free(cval); |
5a222e84 AC |
1812 | return; |
1813 | } | |
a43c1c41 TI |
1814 | |
1815 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) | |
1816 | strlcat(kctl->id.name, " Jack", sizeof(kctl->id.name)); | |
1817 | else | |
1818 | get_connector_control_name(mixer, term, is_input, kctl->id.name, | |
1819 | sizeof(kctl->id.name)); | |
5a222e84 AC |
1820 | kctl->private_free = snd_usb_mixer_elem_free; |
1821 | snd_usb_mixer_add_control(&cval->head, kctl); | |
1822 | } | |
1823 | ||
cddaafb9 DM |
1824 | static int parse_clock_source_unit(struct mixer_build *state, int unitid, |
1825 | void *_ftr) | |
1826 | { | |
1827 | struct uac_clock_source_descriptor *hdr = _ftr; | |
1828 | struct usb_mixer_elem_info *cval; | |
1829 | struct snd_kcontrol *kctl; | |
1830 | char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; | |
1831 | int ret; | |
1832 | ||
1833 | if (state->mixer->protocol != UAC_VERSION_2) | |
1834 | return -EINVAL; | |
1835 | ||
cddaafb9 DM |
1836 | /* |
1837 | * The only property of this unit we are interested in is the | |
1838 | * clock source validity. If that isn't readable, just bail out. | |
1839 | */ | |
9a2fe9b8 | 1840 | if (!uac_v2v3_control_is_readable(hdr->bmControls, |
21e9b3e9 | 1841 | UAC2_CS_CONTROL_CLOCK_VALID)) |
cddaafb9 DM |
1842 | return 0; |
1843 | ||
1844 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); | |
1845 | if (!cval) | |
1846 | return -ENOMEM; | |
1847 | ||
1848 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, hdr->bClockID); | |
1849 | ||
1850 | cval->min = 0; | |
1851 | cval->max = 1; | |
1852 | cval->channels = 1; | |
1853 | cval->val_type = USB_MIXER_BOOLEAN; | |
1854 | cval->control = UAC2_CS_CONTROL_CLOCK_VALID; | |
1855 | ||
568fa7e0 AC |
1856 | cval->master_readonly = 1; |
1857 | /* From UAC2 5.2.5.1.2 "Only the get request is supported." */ | |
1858 | kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval); | |
cddaafb9 DM |
1859 | |
1860 | if (!kctl) { | |
52c3e317 | 1861 | usb_mixer_elem_info_free(cval); |
cddaafb9 DM |
1862 | return -ENOMEM; |
1863 | } | |
1864 | ||
1865 | kctl->private_free = snd_usb_mixer_elem_free; | |
eccfc1b8 | 1866 | ret = snd_usb_copy_string_desc(state->chip, hdr->iClockSource, |
cddaafb9 DM |
1867 | name, sizeof(name)); |
1868 | if (ret > 0) | |
1869 | snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1870 | "%s Validity", name); | |
1871 | else | |
1872 | snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1873 | "Clock Source %d Validity", hdr->bClockID); | |
1874 | ||
1875 | return snd_usb_mixer_add_control(&cval->head, kctl); | |
1876 | } | |
1877 | ||
1da177e4 LT |
1878 | /* |
1879 | * parse a feature unit | |
1880 | * | |
25985edc | 1881 | * most of controls are defined here. |
1da177e4 | 1882 | */ |
6bc170e4 DM |
1883 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, |
1884 | void *_ftr) | |
1da177e4 LT |
1885 | { |
1886 | int channels, i, j; | |
86e07d34 | 1887 | struct usb_audio_term iterm; |
36c346e1 | 1888 | unsigned int master_bits; |
1da177e4 | 1889 | int err, csize; |
23caaf19 DM |
1890 | struct uac_feature_unit_descriptor *hdr = _ftr; |
1891 | __u8 *bmaControls; | |
1892 | ||
1893 | if (state->mixer->protocol == UAC_VERSION_1) { | |
1894 | csize = hdr->bControlSize; | |
1895 | channels = (hdr->bLength - 7) / csize - 1; | |
1896 | bmaControls = hdr->bmaControls; | |
9a2fe9b8 | 1897 | } else if (state->mixer->protocol == UAC_VERSION_2) { |
23caaf19 DM |
1898 | struct uac2_feature_unit_descriptor *ftr = _ftr; |
1899 | csize = 4; | |
e8d0fee7 | 1900 | channels = (hdr->bLength - 6) / 4 - 1; |
23caaf19 | 1901 | bmaControls = ftr->bmaControls; |
9a2fe9b8 RB |
1902 | } else { /* UAC_VERSION_3 */ |
1903 | struct uac3_feature_unit_descriptor *ftr = _ftr; | |
1904 | ||
9a2fe9b8 RB |
1905 | csize = 4; |
1906 | channels = (ftr->bLength - 7) / 4 - 1; | |
1907 | bmaControls = ftr->bmaControls; | |
1da177e4 LT |
1908 | } |
1909 | ||
1910 | /* parse the source unit */ | |
f25ecf8f TI |
1911 | err = parse_audio_unit(state, hdr->bSourceID); |
1912 | if (err < 0) | |
1da177e4 LT |
1913 | return err; |
1914 | ||
1915 | /* determine the input source type and name */ | |
4d7b86c9 DM |
1916 | err = check_input_term(state, hdr->bSourceID, &iterm); |
1917 | if (err < 0) | |
1918 | return err; | |
1da177e4 | 1919 | |
23caaf19 | 1920 | master_bits = snd_usb_combine_bytes(bmaControls, csize); |
0c3cee57 JK |
1921 | /* master configuration quirks */ |
1922 | switch (state->chip->usb_id) { | |
1923 | case USB_ID(0x08bb, 0x2702): | |
0ba41d91 TI |
1924 | usb_audio_info(state->chip, |
1925 | "usbmixer: master volume quirk for PCM2702 chip\n"); | |
0c3cee57 | 1926 | /* disable non-functional volume control */ |
65f25da4 | 1927 | master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); |
0c3cee57 | 1928 | break; |
c1051439 | 1929 | case USB_ID(0x1130, 0xf211): |
0ba41d91 TI |
1930 | usb_audio_info(state->chip, |
1931 | "usbmixer: volume control quirk for Tenx TP6911 Audio Headset\n"); | |
c1051439 DH |
1932 | /* disable non-functional volume control */ |
1933 | channels = 0; | |
1934 | break; | |
1935 | ||
0c3cee57 | 1936 | } |
23caaf19 DM |
1937 | |
1938 | if (state->mixer->protocol == UAC_VERSION_1) { | |
1939 | /* check all control types */ | |
1940 | for (i = 0; i < 10; i++) { | |
1941 | unsigned int ch_bits = 0; | |
21e9b3e9 AC |
1942 | int control = audio_feature_info[i].control; |
1943 | ||
23caaf19 | 1944 | for (j = 0; j < channels; j++) { |
6bc170e4 DM |
1945 | unsigned int mask; |
1946 | ||
1947 | mask = snd_usb_combine_bytes(bmaControls + | |
1948 | csize * (j+1), csize); | |
23caaf19 DM |
1949 | if (mask & (1 << i)) |
1950 | ch_bits |= (1 << j); | |
1951 | } | |
1952 | /* audio class v1 controls are never read-only */ | |
6bc170e4 DM |
1953 | |
1954 | /* | |
1955 | * The first channel must be set | |
1956 | * (for ease of programming). | |
1957 | */ | |
1958 | if (ch_bits & 1) | |
21e9b3e9 | 1959 | build_feature_ctl(state, _ftr, ch_bits, control, |
6bc170e4 | 1960 | &iterm, unitid, 0); |
23caaf19 | 1961 | if (master_bits & (1 << i)) |
21e9b3e9 AC |
1962 | build_feature_ctl(state, _ftr, 0, control, |
1963 | &iterm, unitid, 0); | |
23caaf19 | 1964 | } |
9a2fe9b8 | 1965 | } else { /* UAC_VERSION_2/3 */ |
d09c06c6 | 1966 | for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) { |
23caaf19 DM |
1967 | unsigned int ch_bits = 0; |
1968 | unsigned int ch_read_only = 0; | |
21e9b3e9 | 1969 | int control = audio_feature_info[i].control; |
23caaf19 DM |
1970 | |
1971 | for (j = 0; j < channels; j++) { | |
6bc170e4 DM |
1972 | unsigned int mask; |
1973 | ||
1974 | mask = snd_usb_combine_bytes(bmaControls + | |
1975 | csize * (j+1), csize); | |
21e9b3e9 | 1976 | if (uac_v2v3_control_is_readable(mask, control)) { |
23caaf19 | 1977 | ch_bits |= (1 << j); |
21e9b3e9 | 1978 | if (!uac_v2v3_control_is_writeable(mask, control)) |
23caaf19 DM |
1979 | ch_read_only |= (1 << j); |
1980 | } | |
1981 | } | |
1982 | ||
6bc170e4 DM |
1983 | /* |
1984 | * NOTE: build_feature_ctl() will mark the control | |
1985 | * read-only if all channels are marked read-only in | |
1986 | * the descriptors. Otherwise, the control will be | |
1987 | * reported as writeable, but the driver will not | |
1988 | * actually issue a write command for read-only | |
1989 | * channels. | |
1990 | */ | |
1991 | ||
1992 | /* | |
1993 | * The first channel must be set | |
1994 | * (for ease of programming). | |
1995 | */ | |
1996 | if (ch_bits & 1) | |
21e9b3e9 | 1997 | build_feature_ctl(state, _ftr, ch_bits, control, |
6bc170e4 | 1998 | &iterm, unitid, ch_read_only); |
21e9b3e9 | 1999 | if (uac_v2v3_control_is_readable(master_bits, control)) |
2de841ef TI |
2000 | build_feature_ctl(state, _ftr, 0, control, |
2001 | &iterm, unitid, | |
21e9b3e9 AC |
2002 | !uac_v2v3_control_is_writeable(master_bits, |
2003 | control)); | |
1da177e4 | 2004 | } |
1da177e4 LT |
2005 | } |
2006 | ||
2007 | return 0; | |
2008 | } | |
2009 | ||
1da177e4 LT |
2010 | /* |
2011 | * Mixer Unit | |
2012 | */ | |
2013 | ||
f9f0e9ed TI |
2014 | /* check whether the given in/out overflows bmMixerControls matrix */ |
2015 | static bool mixer_bitmap_overflow(struct uac_mixer_unit_descriptor *desc, | |
2016 | int protocol, int num_ins, int num_outs) | |
2017 | { | |
2018 | u8 *hdr = (u8 *)desc; | |
2019 | u8 *c = uac_mixer_unit_bmControls(desc, protocol); | |
2020 | size_t rest; /* remaining bytes after bmMixerControls */ | |
2021 | ||
2022 | switch (protocol) { | |
2023 | case UAC_VERSION_1: | |
2024 | default: | |
2025 | rest = 1; /* iMixer */ | |
2026 | break; | |
2027 | case UAC_VERSION_2: | |
2028 | rest = 2; /* bmControls + iMixer */ | |
2029 | break; | |
2030 | case UAC_VERSION_3: | |
2031 | rest = 6; /* bmControls + wMixerDescrStr */ | |
2032 | break; | |
2033 | } | |
2034 | ||
2035 | /* overflow? */ | |
2036 | return c + (num_ins * num_outs + 7) / 8 + rest > hdr + hdr[0]; | |
2037 | } | |
2038 | ||
1da177e4 LT |
2039 | /* |
2040 | * build a mixer unit control | |
2041 | * | |
2042 | * the callbacks are identical with feature unit. | |
2043 | * input channel number (zero based) is given in control field instead. | |
2044 | */ | |
99fc8645 DM |
2045 | static void build_mixer_unit_ctl(struct mixer_build *state, |
2046 | struct uac_mixer_unit_descriptor *desc, | |
6cfd839a JS |
2047 | int in_pin, int in_ch, int num_outs, |
2048 | int unitid, struct usb_audio_term *iterm) | |
1da177e4 | 2049 | { |
86e07d34 | 2050 | struct usb_mixer_elem_info *cval; |
1da177e4 | 2051 | unsigned int i, len; |
86e07d34 | 2052 | struct snd_kcontrol *kctl; |
c3a3e040 | 2053 | const struct usbmix_name_map *map; |
1da177e4 | 2054 | |
17156f23 | 2055 | map = find_map(state->map, unitid, 0); |
c3a3e040 | 2056 | if (check_ignored_ctl(map)) |
1da177e4 LT |
2057 | return; |
2058 | ||
561b220a | 2059 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
6bc170e4 | 2060 | if (!cval) |
1da177e4 LT |
2061 | return; |
2062 | ||
3360b84b | 2063 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2064 | cval->control = in_ch + 1; /* based on 1 */ |
2065 | cval->val_type = USB_MIXER_S16; | |
2066 | for (i = 0; i < num_outs; i++) { | |
6bc170e4 DM |
2067 | __u8 *c = uac_mixer_unit_bmControls(desc, state->mixer->protocol); |
2068 | ||
2069 | if (check_matrix_bitmap(c, in_ch, i, num_outs)) { | |
1da177e4 LT |
2070 | cval->cmask |= (1 << i); |
2071 | cval->channels++; | |
2072 | } | |
2073 | } | |
2074 | ||
2075 | /* get min/max values */ | |
2076 | get_min_max(cval, 0); | |
2077 | ||
2078 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
6bc170e4 | 2079 | if (!kctl) { |
0ba41d91 | 2080 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
52c3e317 | 2081 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
2082 | return; |
2083 | } | |
eef90451 | 2084 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 2085 | |
c3a3e040 | 2086 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
6bc170e4 | 2087 | if (!len) |
eccfc1b8 | 2088 | len = get_term_name(state->chip, iterm, kctl->id.name, |
6bc170e4 DM |
2089 | sizeof(kctl->id.name), 0); |
2090 | if (!len) | |
1da177e4 | 2091 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); |
08d1e635 | 2092 | append_ctl_name(kctl, " Volume"); |
1da177e4 | 2093 | |
0ba41d91 | 2094 | usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n", |
3360b84b TI |
2095 | cval->head.id, kctl->id.name, cval->channels, cval->min, cval->max); |
2096 | snd_usb_mixer_add_control(&cval->head, kctl); | |
1da177e4 LT |
2097 | } |
2098 | ||
5a222e84 AC |
2099 | static int parse_audio_input_terminal(struct mixer_build *state, int unitid, |
2100 | void *raw_desc) | |
2101 | { | |
2102 | struct usb_audio_term iterm; | |
1d38f5d8 | 2103 | unsigned int control, bmctls, term_id; |
5a222e84 | 2104 | |
5a222e84 | 2105 | if (state->mixer->protocol == UAC_VERSION_2) { |
1d38f5d8 JS |
2106 | struct uac2_input_terminal_descriptor *d_v2 = raw_desc; |
2107 | control = UAC2_TE_CONNECTOR; | |
2108 | term_id = d_v2->bTerminalID; | |
2109 | bmctls = le16_to_cpu(d_v2->bmControls); | |
2110 | } else if (state->mixer->protocol == UAC_VERSION_3) { | |
2111 | struct uac3_input_terminal_descriptor *d_v3 = raw_desc; | |
2112 | control = UAC3_TE_INSERTION; | |
2113 | term_id = d_v3->bTerminalID; | |
2114 | bmctls = le32_to_cpu(d_v3->bmControls); | |
2115 | } else { | |
2116 | return 0; /* UAC1. No Insertion control */ | |
5a222e84 | 2117 | } |
1d38f5d8 JS |
2118 | |
2119 | check_input_term(state, term_id, &iterm); | |
2120 | ||
2121 | /* Check for jack detection. */ | |
7dc3c5a0 TI |
2122 | if ((iterm.type & 0xff00) != 0x0100 && |
2123 | uac_v2v3_control_is_readable(bmctls, control)) | |
934b9659 | 2124 | build_connector_control(state->mixer, state->map, &iterm, true); |
1d38f5d8 | 2125 | |
5a222e84 AC |
2126 | return 0; |
2127 | } | |
2128 | ||
1da177e4 LT |
2129 | /* |
2130 | * parse a mixer unit | |
2131 | */ | |
6bc170e4 DM |
2132 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, |
2133 | void *raw_desc) | |
1da177e4 | 2134 | { |
99fc8645 | 2135 | struct uac_mixer_unit_descriptor *desc = raw_desc; |
86e07d34 | 2136 | struct usb_audio_term iterm; |
1da177e4 LT |
2137 | int input_pins, num_ins, num_outs; |
2138 | int pin, ich, err; | |
2139 | ||
6cfd839a JS |
2140 | err = uac_mixer_unit_get_channels(state, desc); |
2141 | if (err < 0) { | |
6bc170e4 DM |
2142 | usb_audio_err(state->chip, |
2143 | "invalid MIXER UNIT descriptor %d\n", | |
2144 | unitid); | |
6cfd839a | 2145 | return err; |
1da177e4 | 2146 | } |
1da177e4 | 2147 | |
6cfd839a JS |
2148 | num_outs = err; |
2149 | input_pins = desc->bNrInPins; | |
2150 | ||
1da177e4 LT |
2151 | num_ins = 0; |
2152 | ich = 0; | |
2153 | for (pin = 0; pin < input_pins; pin++) { | |
99fc8645 | 2154 | err = parse_audio_unit(state, desc->baSourceID[pin]); |
1da177e4 | 2155 | if (err < 0) |
284a8dd6 | 2156 | continue; |
ea114fc2 | 2157 | /* no bmControls field (e.g. Maya44) -> ignore */ |
0bfe5e43 | 2158 | if (!num_outs) |
ea114fc2 | 2159 | continue; |
99fc8645 | 2160 | err = check_input_term(state, desc->baSourceID[pin], &iterm); |
1da177e4 LT |
2161 | if (err < 0) |
2162 | return err; | |
2163 | num_ins += iterm.channels; | |
f9f0e9ed TI |
2164 | if (mixer_bitmap_overflow(desc, state->mixer->protocol, |
2165 | num_ins, num_outs)) | |
2166 | break; | |
6bc170e4 | 2167 | for (; ich < num_ins; ich++) { |
1da177e4 LT |
2168 | int och, ich_has_controls = 0; |
2169 | ||
6bc170e4 DM |
2170 | for (och = 0; och < num_outs; och++) { |
2171 | __u8 *c = uac_mixer_unit_bmControls(desc, | |
2172 | state->mixer->protocol); | |
2173 | ||
2174 | if (check_matrix_bitmap(c, ich, och, num_outs)) { | |
1da177e4 LT |
2175 | ich_has_controls = 1; |
2176 | break; | |
2177 | } | |
2178 | } | |
2179 | if (ich_has_controls) | |
6cfd839a | 2180 | build_mixer_unit_ctl(state, desc, pin, ich, num_outs, |
1da177e4 LT |
2181 | unitid, &iterm); |
2182 | } | |
2183 | } | |
2184 | return 0; | |
2185 | } | |
2186 | ||
1da177e4 LT |
2187 | /* |
2188 | * Processing Unit / Extension Unit | |
2189 | */ | |
2190 | ||
2191 | /* get callback for processing/extension unit */ | |
6bc170e4 DM |
2192 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, |
2193 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2194 | { |
86e07d34 | 2195 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2196 | int err, val; |
2197 | ||
2198 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
5aeee342 | 2199 | if (err < 0) { |
1da177e4 | 2200 | ucontrol->value.integer.value[0] = cval->min; |
5aeee342 | 2201 | return filter_error(cval, err); |
1da177e4 | 2202 | } |
1da177e4 LT |
2203 | val = get_relative_value(cval, val); |
2204 | ucontrol->value.integer.value[0] = val; | |
2205 | return 0; | |
2206 | } | |
2207 | ||
2208 | /* put callback for processing/extension unit */ | |
6bc170e4 DM |
2209 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, |
2210 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2211 | { |
86e07d34 | 2212 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2213 | int val, oval, err; |
2214 | ||
2215 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
5aeee342 TI |
2216 | if (err < 0) |
2217 | return filter_error(cval, err); | |
1da177e4 LT |
2218 | val = ucontrol->value.integer.value[0]; |
2219 | val = get_abs_value(cval, val); | |
2220 | if (val != oval) { | |
2221 | set_cur_ctl_value(cval, cval->control << 8, val); | |
2222 | return 1; | |
2223 | } | |
2224 | return 0; | |
2225 | } | |
2226 | ||
2227 | /* alsa control interface for processing/extension unit */ | |
8fdaebbb | 2228 | static const struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
2229 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
2230 | .name = "", /* will be filled later */ | |
2231 | .info = mixer_ctl_feature_info, | |
2232 | .get = mixer_ctl_procunit_get, | |
2233 | .put = mixer_ctl_procunit_put, | |
2234 | }; | |
2235 | ||
1da177e4 LT |
2236 | /* |
2237 | * predefined data for processing units | |
2238 | */ | |
2239 | struct procunit_value_info { | |
2240 | int control; | |
a01df925 | 2241 | const char *suffix; |
1da177e4 LT |
2242 | int val_type; |
2243 | int min_value; | |
2244 | }; | |
2245 | ||
2246 | struct procunit_info { | |
2247 | int type; | |
2248 | char *name; | |
a01df925 | 2249 | const struct procunit_value_info *values; |
1da177e4 LT |
2250 | }; |
2251 | ||
a01df925 | 2252 | static const struct procunit_value_info undefined_proc_info[] = { |
0f292f02 JS |
2253 | { 0x00, "Control Undefined", 0 }, |
2254 | { 0 } | |
2255 | }; | |
2256 | ||
a01df925 | 2257 | static const struct procunit_value_info updown_proc_info[] = { |
65f25da4 DM |
2258 | { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2259 | { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
1da177e4 LT |
2260 | { 0 } |
2261 | }; | |
a01df925 | 2262 | static const struct procunit_value_info prologic_proc_info[] = { |
65f25da4 DM |
2263 | { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2264 | { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, | |
1da177e4 LT |
2265 | { 0 } |
2266 | }; | |
a01df925 | 2267 | static const struct procunit_value_info threed_enh_proc_info[] = { |
65f25da4 DM |
2268 | { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2269 | { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1da177e4 LT |
2270 | { 0 } |
2271 | }; | |
a01df925 | 2272 | static const struct procunit_value_info reverb_proc_info[] = { |
65f25da4 DM |
2273 | { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2274 | { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
2275 | { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
2276 | { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, | |
1da177e4 LT |
2277 | { 0 } |
2278 | }; | |
a01df925 | 2279 | static const struct procunit_value_info chorus_proc_info[] = { |
65f25da4 DM |
2280 | { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2281 | { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
2282 | { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
2283 | { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1da177e4 LT |
2284 | { 0 } |
2285 | }; | |
a01df925 | 2286 | static const struct procunit_value_info dcr_proc_info[] = { |
65f25da4 DM |
2287 | { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, |
2288 | { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, | |
2289 | { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, | |
2290 | { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
2291 | { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, | |
2292 | { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, | |
1da177e4 LT |
2293 | { 0 } |
2294 | }; | |
2295 | ||
a01df925 | 2296 | static const struct procunit_info procunits[] = { |
65f25da4 DM |
2297 | { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, |
2298 | { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
2299 | { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, | |
2300 | { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, | |
2301 | { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, | |
2302 | { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, | |
1da177e4 LT |
2303 | { 0 }, |
2304 | }; | |
0f292f02 | 2305 | |
a01df925 | 2306 | static const struct procunit_value_info uac3_updown_proc_info[] = { |
0f292f02 JS |
2307 | { UAC3_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, |
2308 | { 0 } | |
2309 | }; | |
a01df925 | 2310 | static const struct procunit_value_info uac3_stereo_ext_proc_info[] = { |
0f292f02 JS |
2311 | { UAC3_EXT_WIDTH_CONTROL, "Width Control", USB_MIXER_U8 }, |
2312 | { 0 } | |
2313 | }; | |
2314 | ||
a01df925 | 2315 | static const struct procunit_info uac3_procunits[] = { |
0f292f02 JS |
2316 | { UAC3_PROCESS_UP_DOWNMIX, "Up Down", uac3_updown_proc_info }, |
2317 | { UAC3_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", uac3_stereo_ext_proc_info }, | |
2318 | { UAC3_PROCESS_MULTI_FUNCTION, "Multi-Function", undefined_proc_info }, | |
2319 | { 0 }, | |
2320 | }; | |
2321 | ||
7d2b451e SK |
2322 | /* |
2323 | * predefined data for extension units | |
2324 | */ | |
a01df925 | 2325 | static const struct procunit_value_info clock_rate_xu_info[] = { |
e213e9cf DM |
2326 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, |
2327 | { 0 } | |
7d2b451e | 2328 | }; |
a01df925 | 2329 | static const struct procunit_value_info clock_source_xu_info[] = { |
7d2b451e SK |
2330 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, |
2331 | { 0 } | |
2332 | }; | |
a01df925 | 2333 | static const struct procunit_value_info spdif_format_xu_info[] = { |
7d2b451e SK |
2334 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, |
2335 | { 0 } | |
2336 | }; | |
a01df925 | 2337 | static const struct procunit_value_info soft_limit_xu_info[] = { |
7d2b451e SK |
2338 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, |
2339 | { 0 } | |
2340 | }; | |
a01df925 | 2341 | static const struct procunit_info extunits[] = { |
7d2b451e SK |
2342 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, |
2343 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, | |
2344 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, | |
2345 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, | |
2346 | { 0 } | |
2347 | }; | |
6bc170e4 | 2348 | |
1da177e4 LT |
2349 | /* |
2350 | * build a processing/extension unit | |
2351 | */ | |
6bc170e4 | 2352 | static int build_audio_procunit(struct mixer_build *state, int unitid, |
a01df925 | 2353 | void *raw_desc, const struct procunit_info *list, |
ca95c7bf | 2354 | bool extension_unit) |
1da177e4 | 2355 | { |
99fc8645 | 2356 | struct uac_processing_unit_descriptor *desc = raw_desc; |
f4351a19 | 2357 | int num_ins; |
86e07d34 TI |
2358 | struct usb_mixer_elem_info *cval; |
2359 | struct snd_kcontrol *kctl; | |
1da177e4 | 2360 | int i, err, nameid, type, len; |
a01df925 TI |
2361 | const struct procunit_info *info; |
2362 | const struct procunit_value_info *valinfo; | |
c3a3e040 | 2363 | const struct usbmix_name_map *map; |
a01df925 | 2364 | static const struct procunit_value_info default_value_info[] = { |
1da177e4 LT |
2365 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, |
2366 | { 0 } | |
2367 | }; | |
a01df925 | 2368 | static const struct procunit_info default_info = { |
1da177e4 LT |
2369 | 0, NULL, default_value_info |
2370 | }; | |
ca95c7bf TI |
2371 | const char *name = extension_unit ? |
2372 | "Extension Unit" : "Processing Unit"; | |
1da177e4 | 2373 | |
f4351a19 | 2374 | num_ins = desc->bNrInPins; |
1da177e4 | 2375 | for (i = 0; i < num_ins; i++) { |
f25ecf8f TI |
2376 | err = parse_audio_unit(state, desc->baSourceID[i]); |
2377 | if (err < 0) | |
1da177e4 LT |
2378 | return err; |
2379 | } | |
2380 | ||
99fc8645 | 2381 | type = le16_to_cpu(desc->wProcessType); |
1da177e4 LT |
2382 | for (info = list; info && info->type; info++) |
2383 | if (info->type == type) | |
2384 | break; | |
6bc170e4 | 2385 | if (!info || !info->type) |
1da177e4 LT |
2386 | info = &default_info; |
2387 | ||
2388 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
23caaf19 | 2389 | __u8 *controls = uac_processing_unit_bmControls(desc, state->mixer->protocol); |
99fc8645 | 2390 | |
4e887af3 JS |
2391 | if (state->mixer->protocol == UAC_VERSION_1) { |
2392 | if (!(controls[valinfo->control / 8] & | |
2393 | (1 << ((valinfo->control % 8) - 1)))) | |
2394 | continue; | |
2395 | } else { /* UAC_VERSION_2/3 */ | |
2396 | if (!uac_v2v3_control_is_readable(controls[valinfo->control / 8], | |
2397 | valinfo->control)) | |
2398 | continue; | |
2399 | } | |
2400 | ||
17156f23 | 2401 | map = find_map(state->map, unitid, valinfo->control); |
c3a3e040 | 2402 | if (check_ignored_ctl(map)) |
1da177e4 | 2403 | continue; |
561b220a | 2404 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 2405 | if (!cval) |
1da177e4 | 2406 | return -ENOMEM; |
3360b84b | 2407 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2408 | cval->control = valinfo->control; |
2409 | cval->val_type = valinfo->val_type; | |
2410 | cval->channels = 1; | |
2411 | ||
4e887af3 JS |
2412 | if (state->mixer->protocol > UAC_VERSION_1 && |
2413 | !uac_v2v3_control_is_writeable(controls[valinfo->control / 8], | |
2414 | valinfo->control)) | |
2415 | cval->master_readonly = 1; | |
2416 | ||
1da177e4 | 2417 | /* get min/max values */ |
55b8cb46 JS |
2418 | switch (type) { |
2419 | case UAC_PROCESS_UP_DOWNMIX: { | |
2420 | bool mode_sel = false; | |
2421 | ||
2422 | switch (state->mixer->protocol) { | |
2423 | case UAC_VERSION_1: | |
2424 | case UAC_VERSION_2: | |
2425 | default: | |
2426 | if (cval->control == UAC_UD_MODE_SELECT) | |
2427 | mode_sel = true; | |
2428 | break; | |
2429 | case UAC_VERSION_3: | |
2430 | if (cval->control == UAC3_UD_MODE_SELECT) | |
2431 | mode_sel = true; | |
2432 | break; | |
2433 | } | |
2434 | ||
2435 | if (mode_sel) { | |
2436 | __u8 *control_spec = uac_processing_unit_specific(desc, | |
2437 | state->mixer->protocol); | |
2438 | cval->min = 1; | |
2439 | cval->max = control_spec[0]; | |
7d2b451e SK |
2440 | cval->res = 1; |
2441 | cval->initialized = 1; | |
55b8cb46 JS |
2442 | break; |
2443 | } | |
2444 | ||
2445 | get_min_max(cval, valinfo->min_value); | |
2446 | break; | |
2447 | } | |
2448 | case USB_XU_CLOCK_RATE: | |
2449 | /* | |
2450 | * E-Mu USB 0404/0202/TrackerPre/0204 | |
2451 | * samplerate control quirk | |
2452 | */ | |
2453 | cval->min = 0; | |
2454 | cval->max = 5; | |
2455 | cval->res = 1; | |
2456 | cval->initialized = 1; | |
2457 | break; | |
2458 | default: | |
2459 | get_min_max(cval, valinfo->min_value); | |
2460 | break; | |
7d2b451e | 2461 | } |
1da177e4 LT |
2462 | |
2463 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); | |
6bc170e4 | 2464 | if (!kctl) { |
52c3e317 | 2465 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
2466 | return -ENOMEM; |
2467 | } | |
eef90451 | 2468 | kctl->private_free = snd_usb_mixer_elem_free; |
1da177e4 | 2469 | |
6bc170e4 | 2470 | if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) { |
c3a3e040 | 2471 | /* nothing */ ; |
6bc170e4 | 2472 | } else if (info->name) { |
1da177e4 | 2473 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); |
6bc170e4 | 2474 | } else { |
ca95c7bf TI |
2475 | if (extension_unit) |
2476 | nameid = uac_extension_unit_iExtension(desc, state->mixer->protocol); | |
2477 | else | |
2478 | nameid = uac_processing_unit_iProcessing(desc, state->mixer->protocol); | |
1da177e4 LT |
2479 | len = 0; |
2480 | if (nameid) | |
eccfc1b8 RB |
2481 | len = snd_usb_copy_string_desc(state->chip, |
2482 | nameid, | |
6bc170e4 DM |
2483 | kctl->id.name, |
2484 | sizeof(kctl->id.name)); | |
2485 | if (!len) | |
1da177e4 LT |
2486 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); |
2487 | } | |
08d1e635 TI |
2488 | append_ctl_name(kctl, " "); |
2489 | append_ctl_name(kctl, valinfo->suffix); | |
1da177e4 | 2490 | |
0ba41d91 | 2491 | usb_audio_dbg(state->chip, |
6bc170e4 | 2492 | "[%d] PU [%s] ch = %d, val = %d/%d\n", |
3360b84b | 2493 | cval->head.id, kctl->id.name, cval->channels, |
6bc170e4 DM |
2494 | cval->min, cval->max); |
2495 | ||
3360b84b | 2496 | err = snd_usb_mixer_add_control(&cval->head, kctl); |
6bc170e4 | 2497 | if (err < 0) |
1da177e4 LT |
2498 | return err; |
2499 | } | |
2500 | return 0; | |
2501 | } | |
2502 | ||
6bc170e4 DM |
2503 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, |
2504 | void *raw_desc) | |
1da177e4 | 2505 | { |
0f292f02 JS |
2506 | switch (state->mixer->protocol) { |
2507 | case UAC_VERSION_1: | |
2508 | case UAC_VERSION_2: | |
2509 | default: | |
2510 | return build_audio_procunit(state, unitid, raw_desc, | |
ca95c7bf | 2511 | procunits, false); |
0f292f02 JS |
2512 | case UAC_VERSION_3: |
2513 | return build_audio_procunit(state, unitid, raw_desc, | |
ca95c7bf | 2514 | uac3_procunits, false); |
0f292f02 | 2515 | } |
1da177e4 LT |
2516 | } |
2517 | ||
6bc170e4 DM |
2518 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, |
2519 | void *raw_desc) | |
1da177e4 | 2520 | { |
6bc170e4 DM |
2521 | /* |
2522 | * Note that we parse extension units with processing unit descriptors. | |
2523 | * That's ok as the layout is the same. | |
2524 | */ | |
ca95c7bf | 2525 | return build_audio_procunit(state, unitid, raw_desc, extunits, true); |
1da177e4 LT |
2526 | } |
2527 | ||
1da177e4 LT |
2528 | /* |
2529 | * Selector Unit | |
2530 | */ | |
2531 | ||
6bc170e4 DM |
2532 | /* |
2533 | * info callback for selector unit | |
1da177e4 LT |
2534 | * use an enumerator type for routing |
2535 | */ | |
6bc170e4 DM |
2536 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, |
2537 | struct snd_ctl_elem_info *uinfo) | |
1da177e4 | 2538 | { |
86e07d34 | 2539 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
2a1803a7 | 2540 | const char **itemlist = (const char **)kcontrol->private_value; |
1da177e4 | 2541 | |
5e246b85 TI |
2542 | if (snd_BUG_ON(!itemlist)) |
2543 | return -EINVAL; | |
2a1803a7 | 2544 | return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); |
1da177e4 LT |
2545 | } |
2546 | ||
2547 | /* get callback for selector unit */ | |
6bc170e4 DM |
2548 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, |
2549 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2550 | { |
86e07d34 | 2551 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2552 | int val, err; |
2553 | ||
09414207 | 2554 | err = get_cur_ctl_value(cval, cval->control << 8, &val); |
1da177e4 | 2555 | if (err < 0) { |
5aeee342 TI |
2556 | ucontrol->value.enumerated.item[0] = 0; |
2557 | return filter_error(cval, err); | |
1da177e4 LT |
2558 | } |
2559 | val = get_relative_value(cval, val); | |
2560 | ucontrol->value.enumerated.item[0] = val; | |
2561 | return 0; | |
2562 | } | |
2563 | ||
2564 | /* put callback for selector unit */ | |
6bc170e4 DM |
2565 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, |
2566 | struct snd_ctl_elem_value *ucontrol) | |
1da177e4 | 2567 | { |
86e07d34 | 2568 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
2569 | int val, oval, err; |
2570 | ||
09414207 | 2571 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); |
5aeee342 TI |
2572 | if (err < 0) |
2573 | return filter_error(cval, err); | |
1da177e4 LT |
2574 | val = ucontrol->value.enumerated.item[0]; |
2575 | val = get_abs_value(cval, val); | |
2576 | if (val != oval) { | |
09414207 | 2577 | set_cur_ctl_value(cval, cval->control << 8, val); |
1da177e4 LT |
2578 | return 1; |
2579 | } | |
2580 | return 0; | |
2581 | } | |
2582 | ||
2583 | /* alsa control interface for selector unit */ | |
8fdaebbb | 2584 | static const struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
2585 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
2586 | .name = "", /* will be filled later */ | |
2587 | .info = mixer_ctl_selector_info, | |
2588 | .get = mixer_ctl_selector_get, | |
2589 | .put = mixer_ctl_selector_put, | |
2590 | }; | |
2591 | ||
6bc170e4 DM |
2592 | /* |
2593 | * private free callback. | |
1da177e4 LT |
2594 | * free both private_data and private_value |
2595 | */ | |
86e07d34 | 2596 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
2597 | { |
2598 | int i, num_ins = 0; | |
2599 | ||
2600 | if (kctl->private_data) { | |
86e07d34 | 2601 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 | 2602 | num_ins = cval->max; |
52c3e317 | 2603 | usb_mixer_elem_info_free(cval); |
1da177e4 LT |
2604 | kctl->private_data = NULL; |
2605 | } | |
2606 | if (kctl->private_value) { | |
2607 | char **itemlist = (char **)kctl->private_value; | |
2608 | for (i = 0; i < num_ins; i++) | |
2609 | kfree(itemlist[i]); | |
2610 | kfree(itemlist); | |
2611 | kctl->private_value = 0; | |
2612 | } | |
2613 | } | |
2614 | ||
2615 | /* | |
2616 | * parse a selector unit | |
2617 | */ | |
6bc170e4 DM |
2618 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, |
2619 | void *raw_desc) | |
1da177e4 | 2620 | { |
99fc8645 | 2621 | struct uac_selector_unit_descriptor *desc = raw_desc; |
1da177e4 LT |
2622 | unsigned int i, nameid, len; |
2623 | int err; | |
86e07d34 TI |
2624 | struct usb_mixer_elem_info *cval; |
2625 | struct snd_kcontrol *kctl; | |
c3a3e040 | 2626 | const struct usbmix_name_map *map; |
1da177e4 LT |
2627 | char **namelist; |
2628 | ||
99fc8645 | 2629 | for (i = 0; i < desc->bNrInPins; i++) { |
f25ecf8f TI |
2630 | err = parse_audio_unit(state, desc->baSourceID[i]); |
2631 | if (err < 0) | |
1da177e4 LT |
2632 | return err; |
2633 | } | |
2634 | ||
99fc8645 | 2635 | if (desc->bNrInPins == 1) /* only one ? nonsense! */ |
1da177e4 LT |
2636 | return 0; |
2637 | ||
17156f23 | 2638 | map = find_map(state->map, unitid, 0); |
c3a3e040 | 2639 | if (check_ignored_ctl(map)) |
1da177e4 LT |
2640 | return 0; |
2641 | ||
561b220a | 2642 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
a860d95f | 2643 | if (!cval) |
1da177e4 | 2644 | return -ENOMEM; |
3360b84b | 2645 | snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid); |
1da177e4 LT |
2646 | cval->val_type = USB_MIXER_U8; |
2647 | cval->channels = 1; | |
2648 | cval->min = 1; | |
99fc8645 | 2649 | cval->max = desc->bNrInPins; |
1da177e4 LT |
2650 | cval->res = 1; |
2651 | cval->initialized = 1; | |
2652 | ||
c77e1ef1 JS |
2653 | switch (state->mixer->protocol) { |
2654 | case UAC_VERSION_1: | |
2655 | default: | |
09414207 | 2656 | cval->control = 0; |
c77e1ef1 JS |
2657 | break; |
2658 | case UAC_VERSION_2: | |
2659 | case UAC_VERSION_3: | |
2660 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || | |
2661 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) | |
2662 | cval->control = UAC2_CX_CLOCK_SELECTOR; | |
2663 | else /* UAC2/3_SELECTOR_UNIT */ | |
2664 | cval->control = UAC2_SU_SELECTOR; | |
2665 | break; | |
2666 | } | |
09414207 | 2667 | |
52c3e317 | 2668 | namelist = kcalloc(desc->bNrInPins, sizeof(char *), GFP_KERNEL); |
6bc170e4 | 2669 | if (!namelist) { |
52c3e317 TI |
2670 | err = -ENOMEM; |
2671 | goto error_cval; | |
1da177e4 LT |
2672 | } |
2673 | #define MAX_ITEM_NAME_LEN 64 | |
99fc8645 | 2674 | for (i = 0; i < desc->bNrInPins; i++) { |
86e07d34 | 2675 | struct usb_audio_term iterm; |
1da177e4 LT |
2676 | len = 0; |
2677 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); | |
6bc170e4 | 2678 | if (!namelist[i]) { |
52c3e317 TI |
2679 | err = -ENOMEM; |
2680 | goto error_name; | |
1da177e4 | 2681 | } |
8e062ec7 CL |
2682 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
2683 | MAX_ITEM_NAME_LEN); | |
99fc8645 | 2684 | if (! len && check_input_term(state, desc->baSourceID[i], &iterm) >= 0) |
eccfc1b8 RB |
2685 | len = get_term_name(state->chip, &iterm, namelist[i], |
2686 | MAX_ITEM_NAME_LEN, 0); | |
1da177e4 | 2687 | if (! len) |
af831eef | 2688 | sprintf(namelist[i], "Input %u", i); |
1da177e4 LT |
2689 | } |
2690 | ||
2691 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
2692 | if (! kctl) { | |
0ba41d91 | 2693 | usb_audio_err(state->chip, "cannot malloc kcontrol\n"); |
52c3e317 TI |
2694 | err = -ENOMEM; |
2695 | goto error_name; | |
1da177e4 LT |
2696 | } |
2697 | kctl->private_value = (unsigned long)namelist; | |
2698 | kctl->private_free = usb_mixer_selector_elem_free; | |
2699 | ||
5a15f289 | 2700 | /* check the static mapping table at first */ |
c3a3e040 | 2701 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
89b89d12 | 2702 | if (!len) { |
5a15f289 | 2703 | /* no mapping ? */ |
c77e1ef1 JS |
2704 | switch (state->mixer->protocol) { |
2705 | case UAC_VERSION_1: | |
2706 | case UAC_VERSION_2: | |
2707 | default: | |
5a15f289 | 2708 | /* if iSelector is given, use it */ |
c77e1ef1 JS |
2709 | nameid = uac_selector_unit_iSelector(desc); |
2710 | if (nameid) | |
2711 | len = snd_usb_copy_string_desc(state->chip, | |
2712 | nameid, kctl->id.name, | |
2713 | sizeof(kctl->id.name)); | |
2714 | break; | |
2715 | case UAC_VERSION_3: | |
2716 | /* TODO: Class-Specific strings not yet supported */ | |
2717 | break; | |
2718 | } | |
2719 | ||
5a15f289 TI |
2720 | /* ... or pick up the terminal name at next */ |
2721 | if (!len) | |
eccfc1b8 | 2722 | len = get_term_name(state->chip, &state->oterm, |
1da177e4 | 2723 | kctl->id.name, sizeof(kctl->id.name), 0); |
5a15f289 | 2724 | /* ... or use the fixed string "USB" as the last resort */ |
6bc170e4 | 2725 | if (!len) |
1da177e4 LT |
2726 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); |
2727 | ||
5a15f289 | 2728 | /* and add the proper suffix */ |
c77e1ef1 JS |
2729 | if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR || |
2730 | desc->bDescriptorSubtype == UAC3_CLOCK_SELECTOR) | |
09414207 DM |
2731 | append_ctl_name(kctl, " Clock Source"); |
2732 | else if ((state->oterm.type & 0xff00) == 0x0100) | |
08d1e635 | 2733 | append_ctl_name(kctl, " Capture Source"); |
1da177e4 | 2734 | else |
08d1e635 | 2735 | append_ctl_name(kctl, " Playback Source"); |
1da177e4 LT |
2736 | } |
2737 | ||
0ba41d91 | 2738 | usb_audio_dbg(state->chip, "[%d] SU [%s] items = %d\n", |
3360b84b TI |
2739 | cval->head.id, kctl->id.name, desc->bNrInPins); |
2740 | return snd_usb_mixer_add_control(&cval->head, kctl); | |
52c3e317 TI |
2741 | |
2742 | error_name: | |
2743 | for (i = 0; i < desc->bNrInPins; i++) | |
2744 | kfree(namelist[i]); | |
2745 | kfree(namelist); | |
2746 | error_cval: | |
2747 | usb_mixer_elem_info_free(cval); | |
2748 | return err; | |
1da177e4 LT |
2749 | } |
2750 | ||
1da177e4 LT |
2751 | /* |
2752 | * parse an audio unit recursively | |
2753 | */ | |
2754 | ||
86e07d34 | 2755 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
2756 | { |
2757 | unsigned char *p1; | |
9a2fe9b8 | 2758 | int protocol = state->mixer->protocol; |
1da177e4 LT |
2759 | |
2760 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
2761 | return 0; /* the unit already visited */ | |
2762 | ||
2763 | p1 = find_audio_control_unit(state, unitid); | |
2764 | if (!p1) { | |
0ba41d91 | 2765 | usb_audio_err(state->chip, "unit %d not found!\n", unitid); |
1da177e4 LT |
2766 | return -EINVAL; |
2767 | } | |
2768 | ||
57f87706 TI |
2769 | if (!snd_usb_validate_audio_desc(p1, protocol)) { |
2770 | usb_audio_dbg(state->chip, "invalid unit %d\n", unitid); | |
2771 | return 0; /* skip invalid unit */ | |
2772 | } | |
2773 | ||
68e9fde2 TI |
2774 | switch (PTYPE(protocol, p1[2])) { |
2775 | case PTYPE(UAC_VERSION_1, UAC_INPUT_TERMINAL): | |
2776 | case PTYPE(UAC_VERSION_2, UAC_INPUT_TERMINAL): | |
2777 | case PTYPE(UAC_VERSION_3, UAC_INPUT_TERMINAL): | |
2778 | return parse_audio_input_terminal(state, unitid, p1); | |
2779 | case PTYPE(UAC_VERSION_1, UAC_MIXER_UNIT): | |
2780 | case PTYPE(UAC_VERSION_2, UAC_MIXER_UNIT): | |
2781 | case PTYPE(UAC_VERSION_3, UAC3_MIXER_UNIT): | |
2782 | return parse_audio_mixer_unit(state, unitid, p1); | |
2783 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SOURCE): | |
2784 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SOURCE): | |
2785 | return parse_clock_source_unit(state, unitid, p1); | |
2786 | case PTYPE(UAC_VERSION_1, UAC_SELECTOR_UNIT): | |
2787 | case PTYPE(UAC_VERSION_2, UAC_SELECTOR_UNIT): | |
2788 | case PTYPE(UAC_VERSION_3, UAC3_SELECTOR_UNIT): | |
2789 | case PTYPE(UAC_VERSION_2, UAC2_CLOCK_SELECTOR): | |
2790 | case PTYPE(UAC_VERSION_3, UAC3_CLOCK_SELECTOR): | |
2791 | return parse_audio_selector_unit(state, unitid, p1); | |
2792 | case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT): | |
2793 | case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT): | |
2794 | case PTYPE(UAC_VERSION_3, UAC3_FEATURE_UNIT): | |
2795 | return parse_audio_feature_unit(state, unitid, p1); | |
2796 | case PTYPE(UAC_VERSION_1, UAC1_PROCESSING_UNIT): | |
2797 | case PTYPE(UAC_VERSION_2, UAC2_PROCESSING_UNIT_V2): | |
2798 | case PTYPE(UAC_VERSION_3, UAC3_PROCESSING_UNIT): | |
2799 | return parse_audio_processing_unit(state, unitid, p1); | |
2800 | case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT): | |
2801 | case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2): | |
2802 | case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT): | |
2803 | return parse_audio_extension_unit(state, unitid, p1); | |
2804 | case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT): | |
2805 | case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT): | |
2806 | return 0; /* FIXME - effect units not implemented yet */ | |
2807 | default: | |
2808 | usb_audio_err(state->chip, | |
2809 | "unit %u: unexpected type 0x%02x\n", | |
2810 | unitid, p1[2]); | |
2811 | return -EINVAL; | |
1da177e4 LT |
2812 | } |
2813 | } | |
2814 | ||
84957a8a CL |
2815 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
2816 | { | |
124751d5 TI |
2817 | /* kill pending URBs */ |
2818 | snd_usb_mixer_disconnect(mixer); | |
2819 | ||
6639b6c2 CL |
2820 | kfree(mixer->id_elems); |
2821 | if (mixer->urb) { | |
2822 | kfree(mixer->urb->transfer_buffer); | |
2823 | usb_free_urb(mixer->urb); | |
2824 | } | |
68df9de1 | 2825 | usb_free_urb(mixer->rc_urb); |
b259b10c | 2826 | kfree(mixer->rc_setup_packet); |
84957a8a CL |
2827 | kfree(mixer); |
2828 | } | |
2829 | ||
86e07d34 | 2830 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
2831 | { |
2832 | struct usb_mixer_interface *mixer = device->device_data; | |
2833 | snd_usb_mixer_free(mixer); | |
2834 | return 0; | |
2835 | } | |
2836 | ||
17156f23 RB |
2837 | /* UAC3 predefined channels configuration */ |
2838 | struct uac3_badd_profile { | |
2839 | int subclass; | |
2840 | const char *name; | |
2841 | int c_chmask; /* capture channels mask */ | |
2842 | int p_chmask; /* playback channels mask */ | |
2843 | int st_chmask; /* side tone mixing channel mask */ | |
2844 | }; | |
2845 | ||
a01df925 | 2846 | static const struct uac3_badd_profile uac3_badd_profiles[] = { |
17156f23 RB |
2847 | { |
2848 | /* | |
2849 | * BAIF, BAOF or combination of both | |
2850 | * IN: Mono or Stereo cfg, Mono alt possible | |
2851 | * OUT: Mono or Stereo cfg, Mono alt possible | |
2852 | */ | |
2853 | .subclass = UAC3_FUNCTION_SUBCLASS_GENERIC_IO, | |
2854 | .name = "GENERIC IO", | |
2855 | .c_chmask = -1, /* dynamic channels */ | |
2856 | .p_chmask = -1, /* dynamic channels */ | |
2857 | }, | |
2858 | { | |
2859 | /* BAOF; Stereo only cfg, Mono alt possible */ | |
2860 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADPHONE, | |
2861 | .name = "HEADPHONE", | |
2862 | .p_chmask = 3, | |
2863 | }, | |
2864 | { | |
2865 | /* BAOF; Mono or Stereo cfg, Mono alt possible */ | |
2866 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKER, | |
2867 | .name = "SPEAKER", | |
2868 | .p_chmask = -1, /* dynamic channels */ | |
2869 | }, | |
2870 | { | |
2871 | /* BAIF; Mono or Stereo cfg, Mono alt possible */ | |
2872 | .subclass = UAC3_FUNCTION_SUBCLASS_MICROPHONE, | |
2873 | .name = "MICROPHONE", | |
2874 | .c_chmask = -1, /* dynamic channels */ | |
2875 | }, | |
2876 | { | |
2877 | /* | |
2878 | * BAIOF topology | |
2879 | * IN: Mono only | |
2880 | * OUT: Mono or Stereo cfg, Mono alt possible | |
2881 | */ | |
2882 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET, | |
2883 | .name = "HEADSET", | |
2884 | .c_chmask = 1, | |
2885 | .p_chmask = -1, /* dynamic channels */ | |
2886 | .st_chmask = 1, | |
2887 | }, | |
2888 | { | |
2889 | /* BAIOF; IN: Mono only; OUT: Stereo only, Mono alt possible */ | |
2890 | .subclass = UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER, | |
2891 | .name = "HEADSET ADAPTER", | |
2892 | .c_chmask = 1, | |
2893 | .p_chmask = 3, | |
2894 | .st_chmask = 1, | |
2895 | }, | |
2896 | { | |
2897 | /* BAIF + BAOF; IN: Mono only; OUT: Mono only */ | |
2898 | .subclass = UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE, | |
2899 | .name = "SPEAKERPHONE", | |
2900 | .c_chmask = 1, | |
2901 | .p_chmask = 1, | |
2902 | }, | |
2903 | { 0 } /* terminator */ | |
2904 | }; | |
2905 | ||
2906 | static bool uac3_badd_func_has_valid_channels(struct usb_mixer_interface *mixer, | |
a01df925 | 2907 | const struct uac3_badd_profile *f, |
17156f23 RB |
2908 | int c_chmask, int p_chmask) |
2909 | { | |
2910 | /* | |
2911 | * If both playback/capture channels are dynamic, make sure | |
2912 | * at least one channel is present | |
2913 | */ | |
2914 | if (f->c_chmask < 0 && f->p_chmask < 0) { | |
2915 | if (!c_chmask && !p_chmask) { | |
2916 | usb_audio_warn(mixer->chip, "BAAD %s: no channels?", | |
2917 | f->name); | |
2918 | return false; | |
2919 | } | |
2920 | return true; | |
2921 | } | |
2922 | ||
2923 | if ((f->c_chmask < 0 && !c_chmask) || | |
2924 | (f->c_chmask >= 0 && f->c_chmask != c_chmask)) { | |
2925 | usb_audio_warn(mixer->chip, "BAAD %s c_chmask mismatch", | |
2926 | f->name); | |
2927 | return false; | |
2928 | } | |
2929 | if ((f->p_chmask < 0 && !p_chmask) || | |
2930 | (f->p_chmask >= 0 && f->p_chmask != p_chmask)) { | |
2931 | usb_audio_warn(mixer->chip, "BAAD %s p_chmask mismatch", | |
2932 | f->name); | |
2933 | return false; | |
2934 | } | |
2935 | return true; | |
2936 | } | |
2937 | ||
2938 | /* | |
2939 | * create mixer controls for UAC3 BADD profiles | |
2940 | * | |
2941 | * UAC3 BADD device doesn't contain CS descriptors thus we will guess everything | |
2942 | * | |
2943 | * BADD device may contain Mixer Unit, which doesn't have any controls, skip it | |
2944 | */ | |
2945 | static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, | |
2946 | int ctrlif) | |
2947 | { | |
2948 | struct usb_device *dev = mixer->chip->dev; | |
2949 | struct usb_interface_assoc_descriptor *assoc; | |
2950 | int badd_profile = mixer->chip->badd_profile; | |
a01df925 | 2951 | const struct uac3_badd_profile *f; |
17156f23 RB |
2952 | const struct usbmix_ctl_map *map; |
2953 | int p_chmask = 0, c_chmask = 0, st_chmask = 0; | |
2954 | int i; | |
2955 | ||
2956 | assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; | |
2957 | ||
2958 | /* Detect BADD capture/playback channels from AS EP descriptors */ | |
2959 | for (i = 0; i < assoc->bInterfaceCount; i++) { | |
2960 | int intf = assoc->bFirstInterface + i; | |
2961 | ||
2962 | struct usb_interface *iface; | |
2963 | struct usb_host_interface *alts; | |
2964 | struct usb_interface_descriptor *altsd; | |
2965 | unsigned int maxpacksize; | |
2966 | char dir_in; | |
2967 | int chmask, num; | |
2968 | ||
2969 | if (intf == ctrlif) | |
2970 | continue; | |
2971 | ||
2972 | iface = usb_ifnum_to_if(dev, intf); | |
9435f2bb TI |
2973 | if (!iface) |
2974 | continue; | |
2975 | ||
17156f23 RB |
2976 | num = iface->num_altsetting; |
2977 | ||
2978 | if (num < 2) | |
2979 | return -EINVAL; | |
2980 | ||
2981 | /* | |
2982 | * The number of Channels in an AudioStreaming interface | |
2983 | * and the audio sample bit resolution (16 bits or 24 | |
2984 | * bits) can be derived from the wMaxPacketSize field in | |
2985 | * the Standard AS Audio Data Endpoint descriptor in | |
2986 | * Alternate Setting 1 | |
2987 | */ | |
2988 | alts = &iface->altsetting[1]; | |
2989 | altsd = get_iface_desc(alts); | |
2990 | ||
2991 | if (altsd->bNumEndpoints < 1) | |
2992 | return -EINVAL; | |
2993 | ||
2994 | /* check direction */ | |
2995 | dir_in = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); | |
2996 | maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); | |
2997 | ||
2998 | switch (maxpacksize) { | |
2999 | default: | |
3000 | usb_audio_err(mixer->chip, | |
3001 | "incorrect wMaxPacketSize 0x%x for BADD profile\n", | |
3002 | maxpacksize); | |
3003 | return -EINVAL; | |
3004 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16: | |
3005 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16: | |
3006 | case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24: | |
3007 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24: | |
3008 | chmask = 1; | |
3009 | break; | |
3010 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16: | |
3011 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16: | |
3012 | case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24: | |
3013 | case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24: | |
3014 | chmask = 3; | |
3015 | break; | |
3016 | } | |
3017 | ||
3018 | if (dir_in) | |
3019 | c_chmask = chmask; | |
3020 | else | |
3021 | p_chmask = chmask; | |
3022 | } | |
3023 | ||
3024 | usb_audio_dbg(mixer->chip, | |
3025 | "UAC3 BADD profile 0x%x: detected c_chmask=%d p_chmask=%d\n", | |
3026 | badd_profile, c_chmask, p_chmask); | |
3027 | ||
3028 | /* check the mapping table */ | |
3029 | for (map = uac3_badd_usbmix_ctl_maps; map->id; map++) { | |
3030 | if (map->id == badd_profile) | |
3031 | break; | |
3032 | } | |
3033 | ||
3034 | if (!map->id) | |
3035 | return -EINVAL; | |
3036 | ||
3037 | for (f = uac3_badd_profiles; f->name; f++) { | |
3038 | if (badd_profile == f->subclass) | |
3039 | break; | |
3040 | } | |
3041 | if (!f->name) | |
3042 | return -EINVAL; | |
3043 | if (!uac3_badd_func_has_valid_channels(mixer, f, c_chmask, p_chmask)) | |
3044 | return -EINVAL; | |
3045 | st_chmask = f->st_chmask; | |
3046 | ||
3047 | /* Playback */ | |
3048 | if (p_chmask) { | |
3049 | /* Master channel, always writable */ | |
3050 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3051 | UAC3_BADD_FU_ID2, map->map); | |
3052 | /* Mono/Stereo volume channels, always writable */ | |
3053 | build_feature_ctl_badd(mixer, p_chmask, UAC_FU_VOLUME, | |
3054 | UAC3_BADD_FU_ID2, map->map); | |
3055 | } | |
3056 | ||
3057 | /* Capture */ | |
3058 | if (c_chmask) { | |
3059 | /* Master channel, always writable */ | |
3060 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3061 | UAC3_BADD_FU_ID5, map->map); | |
3062 | /* Mono/Stereo volume channels, always writable */ | |
3063 | build_feature_ctl_badd(mixer, c_chmask, UAC_FU_VOLUME, | |
3064 | UAC3_BADD_FU_ID5, map->map); | |
3065 | } | |
3066 | ||
3067 | /* Side tone-mixing */ | |
3068 | if (st_chmask) { | |
3069 | /* Master channel, always writable */ | |
3070 | build_feature_ctl_badd(mixer, 0, UAC_FU_MUTE, | |
3071 | UAC3_BADD_FU_ID7, map->map); | |
3072 | /* Mono volume channel, always writable */ | |
3073 | build_feature_ctl_badd(mixer, 1, UAC_FU_VOLUME, | |
3074 | UAC3_BADD_FU_ID7, map->map); | |
3075 | } | |
3076 | ||
3528cd8f JS |
3077 | /* Insertion Control */ |
3078 | if (f->subclass == UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER) { | |
3079 | struct usb_audio_term iterm, oterm; | |
3080 | ||
3081 | /* Input Term - Insertion control */ | |
3082 | memset(&iterm, 0, sizeof(iterm)); | |
3083 | iterm.id = UAC3_BADD_IT_ID4; | |
3084 | iterm.type = UAC_BIDIR_TERMINAL_HEADSET; | |
934b9659 | 3085 | build_connector_control(mixer, map->map, &iterm, true); |
3528cd8f JS |
3086 | |
3087 | /* Output Term - Insertion control */ | |
3088 | memset(&oterm, 0, sizeof(oterm)); | |
3089 | oterm.id = UAC3_BADD_OT_ID3; | |
3090 | oterm.type = UAC_BIDIR_TERMINAL_HEADSET; | |
934b9659 | 3091 | build_connector_control(mixer, map->map, &oterm, false); |
3528cd8f JS |
3092 | } |
3093 | ||
17156f23 RB |
3094 | return 0; |
3095 | } | |
3096 | ||
1da177e4 LT |
3097 | /* |
3098 | * create mixer controls | |
3099 | * | |
de48c7bc | 3100 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
1da177e4 | 3101 | */ |
84957a8a | 3102 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 | 3103 | { |
86e07d34 | 3104 | struct mixer_build state; |
1da177e4 LT |
3105 | int err; |
3106 | const struct usbmix_ctl_map *map; | |
23caaf19 | 3107 | void *p; |
1da177e4 LT |
3108 | |
3109 | memset(&state, 0, sizeof(state)); | |
84957a8a CL |
3110 | state.chip = mixer->chip; |
3111 | state.mixer = mixer; | |
1faa5d07 DM |
3112 | state.buffer = mixer->hostif->extra; |
3113 | state.buflen = mixer->hostif->extralen; | |
1da177e4 LT |
3114 | |
3115 | /* check the mapping table */ | |
27d10f56 CL |
3116 | for (map = usbmix_ctl_maps; map->id; map++) { |
3117 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 3118 | state.map = map->map; |
8e062ec7 | 3119 | state.selector_map = map->selector_map; |
fef66ae7 | 3120 | mixer->connector_map = map->connector_map; |
3507245b | 3121 | mixer->ignore_ctl_error |= map->ignore_ctl_error; |
1da177e4 LT |
3122 | break; |
3123 | } | |
3124 | } | |
1da177e4 | 3125 | |
23caaf19 | 3126 | p = NULL; |
6bc170e4 DM |
3127 | while ((p = snd_usb_find_csint_desc(mixer->hostif->extra, |
3128 | mixer->hostif->extralen, | |
1faa5d07 | 3129 | p, UAC_OUTPUT_TERMINAL)) != NULL) { |
57f87706 TI |
3130 | if (!snd_usb_validate_audio_desc(p, mixer->protocol)) |
3131 | continue; /* skip invalid descriptor */ | |
3132 | ||
23caaf19 | 3133 | if (mixer->protocol == UAC_VERSION_1) { |
69da9bcb | 3134 | struct uac1_output_terminal_descriptor *desc = p; |
23caaf19 | 3135 | |
6bc170e4 DM |
3136 | /* mark terminal ID as visited */ |
3137 | set_bit(desc->bTerminalID, state.unitbitmap); | |
23caaf19 DM |
3138 | state.oterm.id = desc->bTerminalID; |
3139 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3140 | state.oterm.name = desc->iTerminal; | |
3141 | err = parse_audio_unit(&state, desc->bSourceID); | |
83ea5d18 | 3142 | if (err < 0 && err != -EINVAL) |
23caaf19 | 3143 | return err; |
9a2fe9b8 | 3144 | } else if (mixer->protocol == UAC_VERSION_2) { |
23caaf19 DM |
3145 | struct uac2_output_terminal_descriptor *desc = p; |
3146 | ||
6bc170e4 DM |
3147 | /* mark terminal ID as visited */ |
3148 | set_bit(desc->bTerminalID, state.unitbitmap); | |
23caaf19 DM |
3149 | state.oterm.id = desc->bTerminalID; |
3150 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3151 | state.oterm.name = desc->iTerminal; | |
3152 | err = parse_audio_unit(&state, desc->bSourceID); | |
83ea5d18 | 3153 | if (err < 0 && err != -EINVAL) |
23caaf19 | 3154 | return err; |
09414207 | 3155 | |
6bc170e4 DM |
3156 | /* |
3157 | * For UAC2, use the same approach to also add the | |
3158 | * clock selectors | |
3159 | */ | |
09414207 | 3160 | err = parse_audio_unit(&state, desc->bCSourceID); |
83ea5d18 | 3161 | if (err < 0 && err != -EINVAL) |
09414207 | 3162 | return err; |
5a222e84 | 3163 | |
7dc3c5a0 TI |
3164 | if ((state.oterm.type & 0xff00) != 0x0100 && |
3165 | uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), | |
5a222e84 | 3166 | UAC2_TE_CONNECTOR)) { |
934b9659 TI |
3167 | build_connector_control(state.mixer, state.map, |
3168 | &state.oterm, false); | |
5a222e84 | 3169 | } |
9a2fe9b8 RB |
3170 | } else { /* UAC_VERSION_3 */ |
3171 | struct uac3_output_terminal_descriptor *desc = p; | |
3172 | ||
9a2fe9b8 RB |
3173 | /* mark terminal ID as visited */ |
3174 | set_bit(desc->bTerminalID, state.unitbitmap); | |
3175 | state.oterm.id = desc->bTerminalID; | |
3176 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
3177 | state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr); | |
3178 | err = parse_audio_unit(&state, desc->bSourceID); | |
3179 | if (err < 0 && err != -EINVAL) | |
3180 | return err; | |
3181 | ||
3182 | /* | |
3183 | * For UAC3, use the same approach to also add the | |
3184 | * clock selectors | |
3185 | */ | |
3186 | err = parse_audio_unit(&state, desc->bCSourceID); | |
3187 | if (err < 0 && err != -EINVAL) | |
3188 | return err; | |
1d38f5d8 | 3189 | |
7dc3c5a0 TI |
3190 | if ((state.oterm.type & 0xff00) != 0x0100 && |
3191 | uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), | |
1d38f5d8 | 3192 | UAC3_TE_INSERTION)) { |
934b9659 TI |
3193 | build_connector_control(state.mixer, state.map, |
3194 | &state.oterm, false); | |
1d38f5d8 | 3195 | } |
23caaf19 | 3196 | } |
1da177e4 | 3197 | } |
23caaf19 | 3198 | |
1da177e4 LT |
3199 | return 0; |
3200 | } | |
84957a8a | 3201 | |
fef66ae7 TI |
3202 | static int delegate_notify(struct usb_mixer_interface *mixer, int unitid, |
3203 | u8 *control, u8 *channel) | |
3204 | { | |
3205 | const struct usbmix_connector_map *map = mixer->connector_map; | |
3206 | ||
3207 | if (!map) | |
3208 | return unitid; | |
3209 | ||
3210 | for (; map->id; map++) { | |
3211 | if (map->id == unitid) { | |
3212 | if (control && map->control) | |
3213 | *control = map->control; | |
3214 | if (channel && map->channel) | |
3215 | *channel = map->channel; | |
3216 | return map->delegated_id; | |
3217 | } | |
3218 | } | |
3219 | return unitid; | |
3220 | } | |
3221 | ||
7b1eda22 | 3222 | void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid) |
6639b6c2 | 3223 | { |
3360b84b | 3224 | struct usb_mixer_elem_list *list; |
6639b6c2 | 3225 | |
fef66ae7 TI |
3226 | unitid = delegate_notify(mixer, unitid, NULL, NULL); |
3227 | ||
8c558076 | 3228 | for_each_mixer_elem(list, mixer, unitid) { |
b2500b58 | 3229 | struct usb_mixer_elem_info *info = |
8c558076 | 3230 | mixer_elem_list_to_info(list); |
b2500b58 JS |
3231 | /* invalidate cache, so the value is read from the device */ |
3232 | info->cached = 0; | |
6639b6c2 | 3233 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, |
3360b84b | 3234 | &list->kctl->id); |
b2500b58 | 3235 | } |
6639b6c2 CL |
3236 | } |
3237 | ||
ebfdeea3 | 3238 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
3360b84b | 3239 | struct usb_mixer_elem_list *list) |
ebfdeea3 | 3240 | { |
8c558076 | 3241 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
a01df925 | 3242 | static const char * const val_types[] = {"BOOLEAN", "INV_BOOLEAN", |
ebfdeea3 | 3243 | "S8", "U8", "S16", "U16"}; |
ebfdeea3 | 3244 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " |
3360b84b | 3245 | "channels=%i, type=\"%s\"\n", cval->head.id, |
ebfdeea3 JK |
3246 | cval->control, cval->cmask, cval->channels, |
3247 | val_types[cval->val_type]); | |
3248 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", | |
3249 | cval->min, cval->max, cval->dBmin, cval->dBmax); | |
3250 | } | |
3251 | ||
3252 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, | |
3253 | struct snd_info_buffer *buffer) | |
3254 | { | |
3255 | struct snd_usb_audio *chip = entry->private_data; | |
3256 | struct usb_mixer_interface *mixer; | |
3360b84b | 3257 | struct usb_mixer_elem_list *list; |
ebfdeea3 JK |
3258 | int unitid; |
3259 | ||
3260 | list_for_each_entry(mixer, &chip->mixer_list, list) { | |
3261 | snd_iprintf(buffer, | |
7affdc17 | 3262 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
0aef31b7 | 3263 | chip->usb_id, mixer_ctrl_intf(mixer), |
7affdc17 | 3264 | mixer->ignore_ctl_error); |
ebfdeea3 JK |
3265 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
3266 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { | |
8c558076 | 3267 | for_each_mixer_elem(list, mixer, unitid) { |
3360b84b TI |
3268 | snd_iprintf(buffer, " Unit: %i\n", list->id); |
3269 | if (list->kctl) | |
3270 | snd_iprintf(buffer, | |
3271 | " Control: name=\"%s\", index=%i\n", | |
3272 | list->kctl->id.name, | |
3273 | list->kctl->id.index); | |
3274 | if (list->dump) | |
3275 | list->dump(buffer, list); | |
3276 | } | |
ebfdeea3 JK |
3277 | } |
3278 | } | |
3279 | } | |
3280 | ||
e213e9cf DM |
3281 | static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer, |
3282 | int attribute, int value, int index) | |
3283 | { | |
3360b84b | 3284 | struct usb_mixer_elem_list *list; |
e213e9cf DM |
3285 | __u8 unitid = (index >> 8) & 0xff; |
3286 | __u8 control = (value >> 8) & 0xff; | |
3287 | __u8 channel = value & 0xff; | |
191227d9 | 3288 | unsigned int count = 0; |
e213e9cf DM |
3289 | |
3290 | if (channel >= MAX_CHANNELS) { | |
0ba41d91 TI |
3291 | usb_audio_dbg(mixer->chip, |
3292 | "%s(): bogus channel number %d\n", | |
3293 | __func__, channel); | |
e213e9cf DM |
3294 | return; |
3295 | } | |
3296 | ||
fef66ae7 TI |
3297 | unitid = delegate_notify(mixer, unitid, &control, &channel); |
3298 | ||
8c558076 | 3299 | for_each_mixer_elem(list, mixer, unitid) |
191227d9 DM |
3300 | count++; |
3301 | ||
3302 | if (count == 0) | |
3303 | return; | |
3304 | ||
8c558076 | 3305 | for_each_mixer_elem(list, mixer, unitid) { |
3360b84b TI |
3306 | struct usb_mixer_elem_info *info; |
3307 | ||
3308 | if (!list->kctl) | |
3309 | continue; | |
3310 | ||
8c558076 | 3311 | info = mixer_elem_list_to_info(list); |
191227d9 | 3312 | if (count > 1 && info->control != control) |
e213e9cf DM |
3313 | continue; |
3314 | ||
3315 | switch (attribute) { | |
3316 | case UAC2_CS_CUR: | |
3317 | /* invalidate cache, so the value is read from the device */ | |
3318 | if (channel) | |
3319 | info->cached &= ~(1 << channel); | |
3320 | else /* master channel */ | |
3321 | info->cached = 0; | |
3322 | ||
3323 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
3360b84b | 3324 | &info->head.kctl->id); |
e213e9cf DM |
3325 | break; |
3326 | ||
3327 | case UAC2_CS_RANGE: | |
3328 | /* TODO */ | |
3329 | break; | |
3330 | ||
3331 | case UAC2_CS_MEM: | |
3332 | /* TODO */ | |
3333 | break; | |
3334 | ||
3335 | default: | |
0ba41d91 TI |
3336 | usb_audio_dbg(mixer->chip, |
3337 | "unknown attribute %d in interrupt\n", | |
3338 | attribute); | |
e213e9cf DM |
3339 | break; |
3340 | } /* switch */ | |
3341 | } | |
3342 | } | |
3343 | ||
3344 | static void snd_usb_mixer_interrupt(struct urb *urb) | |
6639b6c2 CL |
3345 | { |
3346 | struct usb_mixer_interface *mixer = urb->context; | |
e213e9cf | 3347 | int len = urb->actual_length; |
edf7de31 | 3348 | int ustatus = urb->status; |
e213e9cf | 3349 | |
edf7de31 | 3350 | if (ustatus != 0) |
e213e9cf | 3351 | goto requeue; |
6639b6c2 | 3352 | |
e213e9cf DM |
3353 | if (mixer->protocol == UAC_VERSION_1) { |
3354 | struct uac1_status_word *status; | |
6639b6c2 | 3355 | |
e213e9cf DM |
3356 | for (status = urb->transfer_buffer; |
3357 | len >= sizeof(*status); | |
3358 | len -= sizeof(*status), status++) { | |
0ba41d91 | 3359 | dev_dbg(&urb->dev->dev, "status interrupt: %02x %02x\n", |
e213e9cf DM |
3360 | status->bStatusType, |
3361 | status->bOriginator); | |
3362 | ||
6639b6c2 | 3363 | /* ignore any notifications not from the control interface */ |
e213e9cf DM |
3364 | if ((status->bStatusType & UAC1_STATUS_TYPE_ORIG_MASK) != |
3365 | UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF) | |
6639b6c2 | 3366 | continue; |
e213e9cf DM |
3367 | |
3368 | if (status->bStatusType & UAC1_STATUS_TYPE_MEM_CHANGED) | |
3369 | snd_usb_mixer_rc_memory_change(mixer, status->bOriginator); | |
b259b10c | 3370 | else |
e213e9cf DM |
3371 | snd_usb_mixer_notify_id(mixer, status->bOriginator); |
3372 | } | |
3373 | } else { /* UAC_VERSION_2 */ | |
3374 | struct uac2_interrupt_data_msg *msg; | |
3375 | ||
3376 | for (msg = urb->transfer_buffer; | |
3377 | len >= sizeof(*msg); | |
3378 | len -= sizeof(*msg), msg++) { | |
3379 | /* drop vendor specific and endpoint requests */ | |
3380 | if ((msg->bInfo & UAC2_INTERRUPT_DATA_MSG_VENDOR) || | |
3381 | (msg->bInfo & UAC2_INTERRUPT_DATA_MSG_EP)) | |
3382 | continue; | |
3383 | ||
3384 | snd_usb_mixer_interrupt_v2(mixer, msg->bAttribute, | |
3385 | le16_to_cpu(msg->wValue), | |
3386 | le16_to_cpu(msg->wIndex)); | |
6639b6c2 CL |
3387 | } |
3388 | } | |
e213e9cf DM |
3389 | |
3390 | requeue: | |
6bc170e4 DM |
3391 | if (ustatus != -ENOENT && |
3392 | ustatus != -ECONNRESET && | |
3393 | ustatus != -ESHUTDOWN) { | |
6639b6c2 CL |
3394 | urb->dev = mixer->chip->dev; |
3395 | usb_submit_urb(urb, GFP_ATOMIC); | |
3396 | } | |
3397 | } | |
3398 | ||
3399 | /* create the handler for the optional status interrupt endpoint */ | |
3400 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
3401 | { | |
6639b6c2 CL |
3402 | struct usb_endpoint_descriptor *ep; |
3403 | void *transfer_buffer; | |
3404 | int buffer_length; | |
3405 | unsigned int epnum; | |
3406 | ||
6639b6c2 | 3407 | /* we need one interrupt input endpoint */ |
1faa5d07 | 3408 | if (get_iface_desc(mixer->hostif)->bNumEndpoints < 1) |
6639b6c2 | 3409 | return 0; |
1faa5d07 | 3410 | ep = get_endpoint(mixer->hostif, 0); |
913ae5a2 | 3411 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
6639b6c2 CL |
3412 | return 0; |
3413 | ||
42a6e66f | 3414 | epnum = usb_endpoint_num(ep); |
6639b6c2 CL |
3415 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
3416 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
3417 | if (!transfer_buffer) | |
3418 | return -ENOMEM; | |
3419 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
3420 | if (!mixer->urb) { | |
3421 | kfree(transfer_buffer); | |
3422 | return -ENOMEM; | |
3423 | } | |
3424 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
3425 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
3426 | transfer_buffer, buffer_length, | |
e213e9cf | 3427 | snd_usb_mixer_interrupt, mixer, ep->bInterval); |
6639b6c2 CL |
3428 | usb_submit_urb(mixer->urb, GFP_KERNEL); |
3429 | return 0; | |
3430 | } | |
3431 | ||
4120fbed TI |
3432 | static int keep_iface_ctl_get(struct snd_kcontrol *kcontrol, |
3433 | struct snd_ctl_elem_value *ucontrol) | |
3434 | { | |
3435 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
3436 | ||
3437 | ucontrol->value.integer.value[0] = mixer->chip->keep_iface; | |
3438 | return 0; | |
3439 | } | |
3440 | ||
3441 | static int keep_iface_ctl_put(struct snd_kcontrol *kcontrol, | |
3442 | struct snd_ctl_elem_value *ucontrol) | |
3443 | { | |
3444 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
3445 | bool keep_iface = !!ucontrol->value.integer.value[0]; | |
3446 | ||
3447 | if (mixer->chip->keep_iface == keep_iface) | |
3448 | return 0; | |
3449 | mixer->chip->keep_iface = keep_iface; | |
3450 | return 1; | |
3451 | } | |
3452 | ||
3453 | static const struct snd_kcontrol_new keep_iface_ctl = { | |
3454 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
3455 | .name = "Keep Interface", | |
3456 | .info = snd_ctl_boolean_mono_info, | |
3457 | .get = keep_iface_ctl_get, | |
3458 | .put = keep_iface_ctl_put, | |
3459 | }; | |
3460 | ||
3461 | static int create_keep_iface_ctl(struct usb_mixer_interface *mixer) | |
3462 | { | |
3463 | struct snd_kcontrol *kctl = snd_ctl_new1(&keep_iface_ctl, mixer); | |
3464 | ||
3465 | /* need only one control per card */ | |
3466 | if (snd_ctl_find_id(mixer->chip->card, &kctl->id)) { | |
3467 | snd_ctl_free_one(kctl); | |
3468 | return 0; | |
3469 | } | |
3470 | ||
3471 | return snd_ctl_add(mixer->chip->card, kctl); | |
3472 | } | |
3473 | ||
7a9b8063 TI |
3474 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
3475 | int ignore_error) | |
84957a8a | 3476 | { |
c0a142e2 | 3477 | static const struct snd_device_ops dev_ops = { |
84957a8a CL |
3478 | .dev_free = snd_usb_mixer_dev_free |
3479 | }; | |
3480 | struct usb_mixer_interface *mixer; | |
23caaf19 | 3481 | int err; |
84957a8a CL |
3482 | |
3483 | strcpy(chip->card->mixername, "USB Mixer"); | |
3484 | ||
561b220a | 3485 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
3486 | if (!mixer) |
3487 | return -ENOMEM; | |
3488 | mixer->chip = chip; | |
7a9b8063 | 3489 | mixer->ignore_ctl_error = ignore_error; |
291186e0 JK |
3490 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
3491 | GFP_KERNEL); | |
6639b6c2 CL |
3492 | if (!mixer->id_elems) { |
3493 | kfree(mixer); | |
3494 | return -ENOMEM; | |
3495 | } | |
84957a8a | 3496 | |
1faa5d07 DM |
3497 | mixer->hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
3498 | switch (get_iface_desc(mixer->hostif)->bInterfaceProtocol) { | |
a2acad82 CL |
3499 | case UAC_VERSION_1: |
3500 | default: | |
3501 | mixer->protocol = UAC_VERSION_1; | |
3502 | break; | |
3503 | case UAC_VERSION_2: | |
3504 | mixer->protocol = UAC_VERSION_2; | |
3505 | break; | |
9a2fe9b8 RB |
3506 | case UAC_VERSION_3: |
3507 | mixer->protocol = UAC_VERSION_3; | |
3508 | break; | |
a2acad82 | 3509 | } |
7b8a043f | 3510 | |
17156f23 RB |
3511 | if (mixer->protocol == UAC_VERSION_3 && |
3512 | chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { | |
f25ecf8f TI |
3513 | err = snd_usb_mixer_controls_badd(mixer, ctrlif); |
3514 | if (err < 0) | |
3515 | goto _error; | |
3516 | } else { | |
3517 | err = snd_usb_mixer_controls(mixer); | |
3518 | if (err < 0) | |
3519 | goto _error; | |
17156f23 | 3520 | } |
ad6baae6 JS |
3521 | |
3522 | err = snd_usb_mixer_status_create(mixer); | |
3523 | if (err < 0) | |
3524 | goto _error; | |
3525 | ||
4120fbed TI |
3526 | err = create_keep_iface_ctl(mixer); |
3527 | if (err < 0) | |
3528 | goto _error; | |
84957a8a | 3529 | |
328e9f69 TI |
3530 | err = snd_usb_mixer_apply_create_quirk(mixer); |
3531 | if (err < 0) | |
3532 | goto _error; | |
468b8fde | 3533 | |
9cbb2808 | 3534 | err = snd_device_new(chip->card, SNDRV_DEV_CODEC, mixer, &dev_ops); |
93446edc CL |
3535 | if (err < 0) |
3536 | goto _error; | |
ebfdeea3 | 3537 | |
7449054a TI |
3538 | if (list_empty(&chip->mixer_list)) |
3539 | snd_card_ro_proc_new(chip->card, "usbmixer", chip, | |
3540 | snd_usb_mixer_proc_read); | |
ebfdeea3 | 3541 | |
84957a8a CL |
3542 | list_add(&mixer->list, &chip->mixer_list); |
3543 | return 0; | |
93446edc CL |
3544 | |
3545 | _error: | |
3546 | snd_usb_mixer_free(mixer); | |
3547 | return err; | |
84957a8a CL |
3548 | } |
3549 | ||
a6cece9d | 3550 | void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer) |
84957a8a | 3551 | { |
124751d5 TI |
3552 | if (mixer->disconnected) |
3553 | return; | |
3554 | if (mixer->urb) | |
3555 | usb_kill_urb(mixer->urb); | |
3556 | if (mixer->rc_urb) | |
3557 | usb_kill_urb(mixer->rc_urb); | |
9e4d5c1b GB |
3558 | if (mixer->private_free) |
3559 | mixer->private_free(mixer); | |
124751d5 | 3560 | mixer->disconnected = true; |
84957a8a | 3561 | } |
400362f1 TI |
3562 | |
3563 | #ifdef CONFIG_PM | |
3564 | /* stop any bus activity of a mixer */ | |
3565 | static void snd_usb_mixer_inactivate(struct usb_mixer_interface *mixer) | |
3566 | { | |
3567 | usb_kill_urb(mixer->urb); | |
3568 | usb_kill_urb(mixer->rc_urb); | |
3569 | } | |
3570 | ||
3571 | static int snd_usb_mixer_activate(struct usb_mixer_interface *mixer) | |
3572 | { | |
3573 | int err; | |
3574 | ||
3575 | if (mixer->urb) { | |
3576 | err = usb_submit_urb(mixer->urb, GFP_NOIO); | |
3577 | if (err < 0) | |
3578 | return err; | |
3579 | } | |
3580 | ||
3581 | return 0; | |
3582 | } | |
3583 | ||
3584 | int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer) | |
3585 | { | |
3586 | snd_usb_mixer_inactivate(mixer); | |
9e4d5c1b GB |
3587 | if (mixer->private_suspend) |
3588 | mixer->private_suspend(mixer); | |
400362f1 TI |
3589 | return 0; |
3590 | } | |
3591 | ||
3360b84b | 3592 | static int restore_mixer_value(struct usb_mixer_elem_list *list) |
400362f1 | 3593 | { |
8c558076 | 3594 | struct usb_mixer_elem_info *cval = mixer_elem_list_to_info(list); |
400362f1 TI |
3595 | int c, err, idx; |
3596 | ||
3597 | if (cval->cmask) { | |
3598 | idx = 0; | |
3599 | for (c = 0; c < MAX_CHANNELS; c++) { | |
3600 | if (!(cval->cmask & (1 << c))) | |
3601 | continue; | |
6aa6925c | 3602 | if (cval->cached & (1 << (c + 1))) { |
eef90451 | 3603 | err = snd_usb_set_cur_mix_value(cval, c + 1, idx, |
400362f1 TI |
3604 | cval->cache_val[idx]); |
3605 | if (err < 0) | |
3606 | return err; | |
3607 | } | |
3608 | idx++; | |
3609 | } | |
3610 | } else { | |
3611 | /* master */ | |
3612 | if (cval->cached) { | |
eef90451 | 3613 | err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val); |
400362f1 TI |
3614 | if (err < 0) |
3615 | return err; | |
3616 | } | |
3617 | } | |
3618 | ||
3619 | return 0; | |
3620 | } | |
3621 | ||
3622 | int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) | |
3623 | { | |
3360b84b | 3624 | struct usb_mixer_elem_list *list; |
400362f1 TI |
3625 | int id, err; |
3626 | ||
400362f1 TI |
3627 | if (reset_resume) { |
3628 | /* restore cached mixer values */ | |
3629 | for (id = 0; id < MAX_ID_ELEMS; id++) { | |
8c558076 | 3630 | for_each_mixer_elem(list, mixer, id) { |
3360b84b TI |
3631 | if (list->resume) { |
3632 | err = list->resume(list); | |
3633 | if (err < 0) | |
3634 | return err; | |
3635 | } | |
400362f1 TI |
3636 | } |
3637 | } | |
3638 | } | |
3639 | ||
964af639 TI |
3640 | snd_usb_mixer_resume_quirk(mixer); |
3641 | ||
400362f1 TI |
3642 | return snd_usb_mixer_activate(mixer); |
3643 | } | |
3644 | #endif | |
3360b84b TI |
3645 | |
3646 | void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, | |
3647 | struct usb_mixer_interface *mixer, | |
3648 | int unitid) | |
3649 | { | |
3650 | list->mixer = mixer; | |
3651 | list->id = unitid; | |
3652 | list->dump = snd_usb_mixer_dump_cval; | |
3653 | #ifdef CONFIG_PM | |
3654 | list->resume = restore_mixer_value; | |
3655 | #endif | |
3656 | } |