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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * (Tentative) USB Audio Driver for ALSA | |
3 | * | |
4 | * Mixer control part | |
5 | * | |
6 | * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> | |
7 | * | |
8 | * Many codes borrowed from audio.c by | |
9 | * Alan Cox (alan@lxorguk.ukuu.org.uk) | |
10 | * Thomas Sailer (sailer@ife.ee.ethz.ch) | |
11 | * | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
26 | * | |
27 | */ | |
28 | ||
1da177e4 LT |
29 | #include <linux/bitops.h> |
30 | #include <linux/init.h> | |
31 | #include <linux/list.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/string.h> | |
34 | #include <linux/usb.h> | |
28e1b773 DM |
35 | #include <linux/usb/audio.h> |
36 | ||
1da177e4 LT |
37 | #include <sound/core.h> |
38 | #include <sound/control.h> | |
b259b10c | 39 | #include <sound/hwdep.h> |
aafad562 | 40 | #include <sound/info.h> |
7bc5ba7e | 41 | #include <sound/tlv.h> |
1da177e4 LT |
42 | |
43 | #include "usbaudio.h" | |
3e1aebef | 44 | #include "usbmixer.h" |
e5779998 | 45 | #include "helper.h" |
1da177e4 | 46 | |
1da177e4 LT |
47 | /* |
48 | */ | |
49 | ||
50 | /* ignore error from controls - for debugging */ | |
51 | /* #define IGNORE_CTL_ERROR */ | |
52 | ||
4d1a70da RC |
53 | /* |
54 | * Sound Blaster remote control configuration | |
55 | * | |
56 | * format of remote control data: | |
57 | * Extigy: xx 00 | |
58 | * Audigy 2 NX: 06 80 xx 00 00 00 | |
59 | * Live! 24-bit: 06 80 xx yy 22 83 | |
60 | */ | |
61 | static const struct rc_config { | |
62 | u32 usb_id; | |
63 | u8 offset; | |
64 | u8 length; | |
65 | u8 packet_length; | |
b9c196e1 | 66 | u8 min_packet_length; /* minimum accepted length of the URB result */ |
4d1a70da RC |
67 | u8 mute_mixer_id; |
68 | u32 mute_code; | |
69 | } rc_configs[] = { | |
b9c196e1 PMJ |
70 | { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ |
71 | { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ | |
72 | { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ | |
3195954d | 73 | { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */ |
4d1a70da RC |
74 | }; |
75 | ||
ebfdeea3 JK |
76 | #define MAX_ID_ELEMS 256 |
77 | ||
84957a8a | 78 | struct usb_mixer_interface { |
86e07d34 | 79 | struct snd_usb_audio *chip; |
84957a8a CL |
80 | unsigned int ctrlif; |
81 | struct list_head list; | |
82 | unsigned int ignore_ctl_error; | |
6639b6c2 | 83 | struct urb *urb; |
ebfdeea3 JK |
84 | /* array[MAX_ID_ELEMS], indexed by unit id */ |
85 | struct usb_mixer_elem_info **id_elems; | |
b259b10c CL |
86 | |
87 | /* Sound Blaster remote control stuff */ | |
4d1a70da | 88 | const struct rc_config *rc_cfg; |
b259b10c CL |
89 | u32 rc_code; |
90 | wait_queue_head_t rc_waitq; | |
91 | struct urb *rc_urb; | |
92 | struct usb_ctrlrequest *rc_setup_packet; | |
93 | u8 rc_buffer[6]; | |
93446edc CL |
94 | |
95 | u8 audigy2nx_leds[3]; | |
468b8fde | 96 | u8 xonar_u1_status; |
84957a8a CL |
97 | }; |
98 | ||
99 | ||
1da177e4 LT |
100 | struct usb_audio_term { |
101 | int id; | |
102 | int type; | |
103 | int channels; | |
104 | unsigned int chconfig; | |
105 | int name; | |
106 | }; | |
107 | ||
108 | struct usbmix_name_map; | |
109 | ||
86e07d34 TI |
110 | struct mixer_build { |
111 | struct snd_usb_audio *chip; | |
84957a8a | 112 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
113 | unsigned char *buffer; |
114 | unsigned int buflen; | |
291186e0 | 115 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
86e07d34 | 116 | struct usb_audio_term oterm; |
1da177e4 | 117 | const struct usbmix_name_map *map; |
8e062ec7 | 118 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
119 | }; |
120 | ||
641b4879 TI |
121 | #define MAX_CHANNELS 10 /* max logical channels */ |
122 | ||
1da177e4 | 123 | struct usb_mixer_elem_info { |
84957a8a | 124 | struct usb_mixer_interface *mixer; |
86e07d34 TI |
125 | struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ |
126 | struct snd_ctl_elem_id *elem_id; | |
1da177e4 LT |
127 | unsigned int id; |
128 | unsigned int control; /* CS or ICN (high byte) */ | |
129 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
130 | int channels; | |
131 | int val_type; | |
132 | int min, max, res; | |
c3a3e040 | 133 | int dBmin, dBmax; |
641b4879 TI |
134 | int cached; |
135 | int cache_val[MAX_CHANNELS]; | |
6639b6c2 | 136 | u8 initialized; |
1da177e4 LT |
137 | }; |
138 | ||
139 | ||
140 | enum { | |
141 | USB_FEATURE_NONE = 0, | |
142 | USB_FEATURE_MUTE = 1, | |
143 | USB_FEATURE_VOLUME, | |
144 | USB_FEATURE_BASS, | |
145 | USB_FEATURE_MID, | |
146 | USB_FEATURE_TREBLE, | |
147 | USB_FEATURE_GEQ, | |
148 | USB_FEATURE_AGC, | |
149 | USB_FEATURE_DELAY, | |
150 | USB_FEATURE_BASSBOOST, | |
151 | USB_FEATURE_LOUDNESS | |
152 | }; | |
153 | ||
154 | enum { | |
155 | USB_MIXER_BOOLEAN, | |
156 | USB_MIXER_INV_BOOLEAN, | |
157 | USB_MIXER_S8, | |
158 | USB_MIXER_U8, | |
159 | USB_MIXER_S16, | |
160 | USB_MIXER_U16, | |
161 | }; | |
162 | ||
163 | enum { | |
164 | USB_PROC_UPDOWN = 1, | |
165 | USB_PROC_UPDOWN_SWITCH = 1, | |
166 | USB_PROC_UPDOWN_MODE_SEL = 2, | |
167 | ||
168 | USB_PROC_PROLOGIC = 2, | |
169 | USB_PROC_PROLOGIC_SWITCH = 1, | |
170 | USB_PROC_PROLOGIC_MODE_SEL = 2, | |
171 | ||
172 | USB_PROC_3DENH = 3, | |
173 | USB_PROC_3DENH_SWITCH = 1, | |
174 | USB_PROC_3DENH_SPACE = 2, | |
175 | ||
176 | USB_PROC_REVERB = 4, | |
177 | USB_PROC_REVERB_SWITCH = 1, | |
178 | USB_PROC_REVERB_LEVEL = 2, | |
179 | USB_PROC_REVERB_TIME = 3, | |
180 | USB_PROC_REVERB_DELAY = 4, | |
181 | ||
182 | USB_PROC_CHORUS = 5, | |
183 | USB_PROC_CHORUS_SWITCH = 1, | |
184 | USB_PROC_CHORUS_LEVEL = 2, | |
185 | USB_PROC_CHORUS_RATE = 3, | |
186 | USB_PROC_CHORUS_DEPTH = 4, | |
187 | ||
188 | USB_PROC_DCR = 6, | |
189 | USB_PROC_DCR_SWITCH = 1, | |
190 | USB_PROC_DCR_RATIO = 2, | |
191 | USB_PROC_DCR_MAX_AMP = 3, | |
192 | USB_PROC_DCR_THRESHOLD = 4, | |
193 | USB_PROC_DCR_ATTACK = 5, | |
194 | USB_PROC_DCR_RELEASE = 6, | |
195 | }; | |
196 | ||
7d2b451e SK |
197 | /*E-mu 0202(0404) eXtension Unit(XU) control*/ |
198 | enum { | |
199 | USB_XU_CLOCK_RATE = 0xe301, | |
200 | USB_XU_CLOCK_SOURCE = 0xe302, | |
201 | USB_XU_DIGITAL_IO_STATUS = 0xe303, | |
202 | USB_XU_DEVICE_OPTIONS = 0xe304, | |
203 | USB_XU_DIRECT_MONITORING = 0xe305, | |
204 | USB_XU_METERING = 0xe306 | |
205 | }; | |
206 | enum { | |
207 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ | |
208 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ | |
209 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ | |
210 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ | |
211 | }; | |
1da177e4 LT |
212 | |
213 | /* | |
214 | * manual mapping of mixer names | |
215 | * if the mixer topology is too complicated and the parsed names are | |
216 | * ambiguous, add the entries in usbmixer_maps.c. | |
217 | */ | |
218 | #include "usbmixer_maps.c" | |
219 | ||
c3a3e040 JK |
220 | static const struct usbmix_name_map * |
221 | find_map(struct mixer_build *state, int unitid, int control) | |
1da177e4 | 222 | { |
c3a3e040 | 223 | const struct usbmix_name_map *p = state->map; |
1da177e4 | 224 | |
c3a3e040 JK |
225 | if (!p) |
226 | return NULL; | |
1da177e4 LT |
227 | |
228 | for (p = state->map; p->id; p++) { | |
c3a3e040 JK |
229 | if (p->id == unitid && |
230 | (!control || !p->control || control == p->control)) | |
231 | return p; | |
1da177e4 | 232 | } |
c3a3e040 | 233 | return NULL; |
1da177e4 LT |
234 | } |
235 | ||
c3a3e040 JK |
236 | /* get the mapped name if the unit matches */ |
237 | static int | |
238 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) | |
1da177e4 | 239 | { |
c3a3e040 JK |
240 | if (!p || !p->name) |
241 | return 0; | |
1da177e4 | 242 | |
c3a3e040 JK |
243 | buflen--; |
244 | return strlcpy(buf, p->name, buflen); | |
245 | } | |
246 | ||
247 | /* check whether the control should be ignored */ | |
248 | static inline int | |
249 | check_ignored_ctl(const struct usbmix_name_map *p) | |
250 | { | |
251 | if (!p || p->name || p->dB) | |
1da177e4 | 252 | return 0; |
c3a3e040 JK |
253 | return 1; |
254 | } | |
255 | ||
256 | /* dB mapping */ | |
257 | static inline void check_mapped_dB(const struct usbmix_name_map *p, | |
258 | struct usb_mixer_elem_info *cval) | |
259 | { | |
260 | if (p && p->dB) { | |
261 | cval->dBmin = p->dB->min; | |
262 | cval->dBmax = p->dB->max; | |
1da177e4 | 263 | } |
1da177e4 LT |
264 | } |
265 | ||
8e062ec7 | 266 | /* get the mapped selector source name */ |
86e07d34 | 267 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
268 | int index, char *buf, int buflen) |
269 | { | |
270 | const struct usbmix_selector_map *p; | |
271 | ||
272 | if (! state->selector_map) | |
273 | return 0; | |
274 | for (p = state->selector_map; p->id; p++) { | |
275 | if (p->id == unitid && index < p->count) | |
276 | return strlcpy(buf, p->names[index], buflen); | |
277 | } | |
278 | return 0; | |
279 | } | |
280 | ||
1da177e4 LT |
281 | /* |
282 | * find an audio control unit with the given unit id | |
283 | */ | |
86e07d34 | 284 | static void *find_audio_control_unit(struct mixer_build *state, unsigned char unit) |
1da177e4 LT |
285 | { |
286 | unsigned char *p; | |
287 | ||
288 | p = NULL; | |
289 | while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, | |
290 | USB_DT_CS_INTERFACE)) != NULL) { | |
de48c7bc | 291 | if (p[0] >= 4 && p[2] >= UAC_INPUT_TERMINAL && p[2] <= UAC_EXTENSION_UNIT_V1 && p[3] == unit) |
1da177e4 LT |
292 | return p; |
293 | } | |
294 | return NULL; | |
295 | } | |
296 | ||
297 | ||
298 | /* | |
299 | * copy a string with the given id | |
300 | */ | |
86e07d34 | 301 | static int snd_usb_copy_string_desc(struct mixer_build *state, int index, char *buf, int maxlen) |
1da177e4 LT |
302 | { |
303 | int len = usb_string(state->chip->dev, index, buf, maxlen - 1); | |
304 | buf[len] = 0; | |
305 | return len; | |
306 | } | |
307 | ||
308 | /* | |
309 | * convert from the byte/word on usb descriptor to the zero-based integer | |
310 | */ | |
86e07d34 | 311 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
312 | { |
313 | switch (cval->val_type) { | |
314 | case USB_MIXER_BOOLEAN: | |
315 | return !!val; | |
316 | case USB_MIXER_INV_BOOLEAN: | |
317 | return !val; | |
318 | case USB_MIXER_U8: | |
319 | val &= 0xff; | |
320 | break; | |
321 | case USB_MIXER_S8: | |
322 | val &= 0xff; | |
323 | if (val >= 0x80) | |
324 | val -= 0x100; | |
325 | break; | |
326 | case USB_MIXER_U16: | |
327 | val &= 0xffff; | |
328 | break; | |
329 | case USB_MIXER_S16: | |
330 | val &= 0xffff; | |
331 | if (val >= 0x8000) | |
332 | val -= 0x10000; | |
333 | break; | |
334 | } | |
335 | return val; | |
336 | } | |
337 | ||
338 | /* | |
339 | * convert from the zero-based int to the byte/word for usb descriptor | |
340 | */ | |
86e07d34 | 341 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
342 | { |
343 | switch (cval->val_type) { | |
344 | case USB_MIXER_BOOLEAN: | |
345 | return !!val; | |
346 | case USB_MIXER_INV_BOOLEAN: | |
347 | return !val; | |
348 | case USB_MIXER_S8: | |
349 | case USB_MIXER_U8: | |
350 | return val & 0xff; | |
351 | case USB_MIXER_S16: | |
352 | case USB_MIXER_U16: | |
353 | return val & 0xffff; | |
354 | } | |
355 | return 0; /* not reached */ | |
356 | } | |
357 | ||
86e07d34 | 358 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
359 | { |
360 | if (! cval->res) | |
361 | cval->res = 1; | |
362 | if (val < cval->min) | |
363 | return 0; | |
14790f1c TI |
364 | else if (val >= cval->max) |
365 | return (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
366 | else |
367 | return (val - cval->min) / cval->res; | |
368 | } | |
369 | ||
86e07d34 | 370 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
371 | { |
372 | if (val < 0) | |
373 | return cval->min; | |
374 | if (! cval->res) | |
375 | cval->res = 1; | |
376 | val *= cval->res; | |
377 | val += cval->min; | |
378 | if (val > cval->max) | |
379 | return cval->max; | |
380 | return val; | |
381 | } | |
382 | ||
383 | ||
384 | /* | |
385 | * retrieve a mixer value | |
386 | */ | |
387 | ||
86e07d34 | 388 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) |
1da177e4 LT |
389 | { |
390 | unsigned char buf[2]; | |
391 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
392 | int timeout = 10; | |
393 | ||
394 | while (timeout-- > 0) { | |
84957a8a CL |
395 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
396 | usb_rcvctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
397 | request, |
398 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
84957a8a | 399 | validx, cval->mixer->ctrlif | (cval->id << 8), |
a04395ea | 400 | buf, val_len, 100) >= val_len) { |
1da177e4 LT |
401 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
402 | return 0; | |
403 | } | |
404 | } | |
84957a8a CL |
405 | snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
406 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); | |
1da177e4 LT |
407 | return -EINVAL; |
408 | } | |
409 | ||
86e07d34 | 410 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *value) |
1da177e4 | 411 | { |
de48c7bc | 412 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
1da177e4 LT |
413 | } |
414 | ||
415 | /* channel = 0: master, 1 = first channel */ | |
641b4879 TI |
416 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
417 | int channel, int *value) | |
1da177e4 | 418 | { |
de48c7bc | 419 | return get_ctl_value(cval, UAC_GET_CUR, (cval->control << 8) | channel, value); |
1da177e4 LT |
420 | } |
421 | ||
641b4879 TI |
422 | static int get_cur_mix_value(struct usb_mixer_elem_info *cval, |
423 | int channel, int index, int *value) | |
424 | { | |
425 | int err; | |
426 | ||
427 | if (cval->cached & (1 << channel)) { | |
428 | *value = cval->cache_val[index]; | |
429 | return 0; | |
430 | } | |
431 | err = get_cur_mix_raw(cval, channel, value); | |
432 | if (err < 0) { | |
433 | if (!cval->mixer->ignore_ctl_error) | |
434 | snd_printd(KERN_ERR "cannot get current value for " | |
435 | "control %d ch %d: err = %d\n", | |
436 | cval->control, channel, err); | |
437 | return err; | |
438 | } | |
439 | cval->cached |= 1 << channel; | |
440 | cval->cache_val[index] = *value; | |
441 | return 0; | |
442 | } | |
443 | ||
444 | ||
1da177e4 LT |
445 | /* |
446 | * set a mixer value | |
447 | */ | |
448 | ||
86e07d34 | 449 | static int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set) |
1da177e4 LT |
450 | { |
451 | unsigned char buf[2]; | |
452 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
453 | int timeout = 10; | |
454 | ||
455 | value_set = convert_bytes_value(cval, value_set); | |
456 | buf[0] = value_set & 0xff; | |
457 | buf[1] = (value_set >> 8) & 0xff; | |
cf3f9130 | 458 | while (timeout-- > 0) |
84957a8a CL |
459 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
460 | usb_sndctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
461 | request, |
462 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
84957a8a | 463 | validx, cval->mixer->ctrlif | (cval->id << 8), |
1da177e4 LT |
464 | buf, val_len, 100) >= 0) |
465 | return 0; | |
84957a8a CL |
466 | snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
467 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]); | |
1da177e4 LT |
468 | return -EINVAL; |
469 | } | |
470 | ||
86e07d34 | 471 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) |
1da177e4 | 472 | { |
de48c7bc | 473 | return set_ctl_value(cval, UAC_SET_CUR, validx, value); |
1da177e4 LT |
474 | } |
475 | ||
641b4879 TI |
476 | static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
477 | int index, int value) | |
1da177e4 | 478 | { |
641b4879 | 479 | int err; |
de48c7bc | 480 | err = set_ctl_value(cval, UAC_SET_CUR, (cval->control << 8) | channel, |
641b4879 TI |
481 | value); |
482 | if (err < 0) | |
483 | return err; | |
484 | cval->cached |= 1 << channel; | |
485 | cval->cache_val[index] = value; | |
486 | return 0; | |
1da177e4 LT |
487 | } |
488 | ||
7bc5ba7e TI |
489 | /* |
490 | * TLV callback for mixer volume controls | |
491 | */ | |
492 | static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, | |
493 | unsigned int size, unsigned int __user *_tlv) | |
494 | { | |
495 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
b8e1c73f | 496 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
7bc5ba7e TI |
497 | |
498 | if (size < sizeof(scale)) | |
499 | return -ENOMEM; | |
c3a3e040 JK |
500 | scale[2] = cval->dBmin; |
501 | scale[3] = cval->dBmax; | |
7bc5ba7e TI |
502 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
503 | return -EFAULT; | |
504 | return 0; | |
505 | } | |
1da177e4 LT |
506 | |
507 | /* | |
508 | * parser routines begin here... | |
509 | */ | |
510 | ||
86e07d34 | 511 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
512 | |
513 | ||
514 | /* | |
515 | * check if the input/output channel routing is enabled on the given bitmap. | |
516 | * used for mixer unit parser | |
517 | */ | |
518 | static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs) | |
519 | { | |
520 | int idx = ich * num_outs + och; | |
521 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
522 | } | |
523 | ||
524 | ||
525 | /* | |
526 | * add an alsa control element | |
527 | * search and increment the index until an empty slot is found. | |
528 | * | |
529 | * if failed, give up and free the control instance. | |
530 | */ | |
531 | ||
86e07d34 | 532 | static int add_control_to_empty(struct mixer_build *state, struct snd_kcontrol *kctl) |
1da177e4 | 533 | { |
86e07d34 | 534 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 | 535 | int err; |
84957a8a CL |
536 | |
537 | while (snd_ctl_find_id(state->chip->card, &kctl->id)) | |
1da177e4 | 538 | kctl->id.index++; |
84957a8a | 539 | if ((err = snd_ctl_add(state->chip->card, kctl)) < 0) { |
1da177e4 | 540 | snd_printd(KERN_ERR "cannot add control (err = %d)\n", err); |
6639b6c2 | 541 | return err; |
1da177e4 | 542 | } |
6639b6c2 CL |
543 | cval->elem_id = &kctl->id; |
544 | cval->next_id_elem = state->mixer->id_elems[cval->id]; | |
545 | state->mixer->id_elems[cval->id] = cval; | |
546 | return 0; | |
1da177e4 LT |
547 | } |
548 | ||
549 | ||
550 | /* | |
551 | * get a terminal name string | |
552 | */ | |
553 | ||
554 | static struct iterm_name_combo { | |
555 | int type; | |
556 | char *name; | |
557 | } iterm_names[] = { | |
558 | { 0x0300, "Output" }, | |
559 | { 0x0301, "Speaker" }, | |
560 | { 0x0302, "Headphone" }, | |
561 | { 0x0303, "HMD Audio" }, | |
562 | { 0x0304, "Desktop Speaker" }, | |
563 | { 0x0305, "Room Speaker" }, | |
564 | { 0x0306, "Com Speaker" }, | |
565 | { 0x0307, "LFE" }, | |
566 | { 0x0600, "External In" }, | |
567 | { 0x0601, "Analog In" }, | |
568 | { 0x0602, "Digital In" }, | |
569 | { 0x0603, "Line" }, | |
570 | { 0x0604, "Legacy In" }, | |
571 | { 0x0605, "IEC958 In" }, | |
572 | { 0x0606, "1394 DA Stream" }, | |
573 | { 0x0607, "1394 DV Stream" }, | |
574 | { 0x0700, "Embedded" }, | |
575 | { 0x0701, "Noise Source" }, | |
576 | { 0x0702, "Equalization Noise" }, | |
577 | { 0x0703, "CD" }, | |
578 | { 0x0704, "DAT" }, | |
579 | { 0x0705, "DCC" }, | |
580 | { 0x0706, "MiniDisk" }, | |
581 | { 0x0707, "Analog Tape" }, | |
582 | { 0x0708, "Phonograph" }, | |
583 | { 0x0709, "VCR Audio" }, | |
584 | { 0x070a, "Video Disk Audio" }, | |
585 | { 0x070b, "DVD Audio" }, | |
586 | { 0x070c, "TV Tuner Audio" }, | |
587 | { 0x070d, "Satellite Rec Audio" }, | |
588 | { 0x070e, "Cable Tuner Audio" }, | |
589 | { 0x070f, "DSS Audio" }, | |
590 | { 0x0710, "Radio Receiver" }, | |
591 | { 0x0711, "Radio Transmitter" }, | |
592 | { 0x0712, "Multi-Track Recorder" }, | |
593 | { 0x0713, "Synthesizer" }, | |
594 | { 0 }, | |
595 | }; | |
596 | ||
86e07d34 | 597 | static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm, |
1da177e4 LT |
598 | unsigned char *name, int maxlen, int term_only) |
599 | { | |
600 | struct iterm_name_combo *names; | |
601 | ||
602 | if (iterm->name) | |
603 | return snd_usb_copy_string_desc(state, iterm->name, name, maxlen); | |
604 | ||
605 | /* virtual type - not a real terminal */ | |
606 | if (iterm->type >> 16) { | |
607 | if (term_only) | |
608 | return 0; | |
609 | switch (iterm->type >> 16) { | |
de48c7bc | 610 | case UAC_SELECTOR_UNIT: |
1da177e4 | 611 | strcpy(name, "Selector"); return 8; |
de48c7bc | 612 | case UAC_PROCESSING_UNIT_V1: |
1da177e4 | 613 | strcpy(name, "Process Unit"); return 12; |
de48c7bc | 614 | case UAC_EXTENSION_UNIT_V1: |
1da177e4 | 615 | strcpy(name, "Ext Unit"); return 8; |
de48c7bc | 616 | case UAC_MIXER_UNIT: |
1da177e4 LT |
617 | strcpy(name, "Mixer"); return 5; |
618 | default: | |
619 | return sprintf(name, "Unit %d", iterm->id); | |
620 | } | |
621 | } | |
622 | ||
623 | switch (iterm->type & 0xff00) { | |
624 | case 0x0100: | |
625 | strcpy(name, "PCM"); return 3; | |
626 | case 0x0200: | |
627 | strcpy(name, "Mic"); return 3; | |
628 | case 0x0400: | |
629 | strcpy(name, "Headset"); return 7; | |
630 | case 0x0500: | |
631 | strcpy(name, "Phone"); return 5; | |
632 | } | |
633 | ||
634 | for (names = iterm_names; names->type; names++) | |
635 | if (names->type == iterm->type) { | |
636 | strcpy(name, names->name); | |
637 | return strlen(names->name); | |
638 | } | |
639 | return 0; | |
640 | } | |
641 | ||
642 | ||
643 | /* | |
644 | * parse the source unit recursively until it reaches to a terminal | |
645 | * or a branched unit. | |
646 | */ | |
86e07d34 | 647 | static int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term) |
1da177e4 LT |
648 | { |
649 | unsigned char *p1; | |
650 | ||
651 | memset(term, 0, sizeof(*term)); | |
652 | while ((p1 = find_audio_control_unit(state, id)) != NULL) { | |
653 | term->id = id; | |
654 | switch (p1[2]) { | |
de48c7bc | 655 | case UAC_INPUT_TERMINAL: |
1da177e4 LT |
656 | term->type = combine_word(p1 + 4); |
657 | term->channels = p1[7]; | |
658 | term->chconfig = combine_word(p1 + 8); | |
659 | term->name = p1[11]; | |
660 | return 0; | |
de48c7bc | 661 | case UAC_FEATURE_UNIT: |
1da177e4 LT |
662 | id = p1[4]; |
663 | break; /* continue to parse */ | |
de48c7bc | 664 | case UAC_MIXER_UNIT: |
1da177e4 LT |
665 | term->type = p1[2] << 16; /* virtual type */ |
666 | term->channels = p1[5 + p1[4]]; | |
667 | term->chconfig = combine_word(p1 + 6 + p1[4]); | |
668 | term->name = p1[p1[0] - 1]; | |
669 | return 0; | |
de48c7bc | 670 | case UAC_SELECTOR_UNIT: |
1da177e4 LT |
671 | /* call recursively to retrieve the channel info */ |
672 | if (check_input_term(state, p1[5], term) < 0) | |
673 | return -ENODEV; | |
674 | term->type = p1[2] << 16; /* virtual type */ | |
675 | term->id = id; | |
676 | term->name = p1[9 + p1[0] - 1]; | |
677 | return 0; | |
de48c7bc DM |
678 | case UAC_PROCESSING_UNIT_V1: |
679 | case UAC_EXTENSION_UNIT_V1: | |
1da177e4 LT |
680 | if (p1[6] == 1) { |
681 | id = p1[7]; | |
682 | break; /* continue to parse */ | |
683 | } | |
684 | term->type = p1[2] << 16; /* virtual type */ | |
685 | term->channels = p1[7 + p1[6]]; | |
686 | term->chconfig = combine_word(p1 + 8 + p1[6]); | |
687 | term->name = p1[12 + p1[6] + p1[11 + p1[6]]]; | |
688 | return 0; | |
689 | default: | |
690 | return -ENODEV; | |
691 | } | |
692 | } | |
693 | return -ENODEV; | |
694 | } | |
695 | ||
696 | ||
697 | /* | |
698 | * Feature Unit | |
699 | */ | |
700 | ||
701 | /* feature unit control information */ | |
702 | struct usb_feature_control_info { | |
703 | const char *name; | |
704 | unsigned int type; /* control type (mute, volume, etc.) */ | |
705 | }; | |
706 | ||
707 | static struct usb_feature_control_info audio_feature_info[] = { | |
708 | { "Mute", USB_MIXER_INV_BOOLEAN }, | |
709 | { "Volume", USB_MIXER_S16 }, | |
710 | { "Tone Control - Bass", USB_MIXER_S8 }, | |
711 | { "Tone Control - Mid", USB_MIXER_S8 }, | |
712 | { "Tone Control - Treble", USB_MIXER_S8 }, | |
713 | { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ | |
714 | { "Auto Gain Control", USB_MIXER_BOOLEAN }, | |
715 | { "Delay Control", USB_MIXER_U16 }, | |
716 | { "Bass Boost", USB_MIXER_BOOLEAN }, | |
717 | { "Loudness", USB_MIXER_BOOLEAN }, | |
718 | }; | |
719 | ||
720 | ||
721 | /* private_free callback */ | |
86e07d34 | 722 | static void usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 723 | { |
4d572776 JJ |
724 | kfree(kctl->private_data); |
725 | kctl->private_data = NULL; | |
1da177e4 LT |
726 | } |
727 | ||
728 | ||
729 | /* | |
730 | * interface to ALSA control for feature/mixer units | |
731 | */ | |
732 | ||
733 | /* | |
734 | * retrieve the minimum and maximum values for the specified control | |
735 | */ | |
86e07d34 | 736 | static int get_min_max(struct usb_mixer_elem_info *cval, int default_min) |
1da177e4 LT |
737 | { |
738 | /* for failsafe */ | |
739 | cval->min = default_min; | |
740 | cval->max = cval->min + 1; | |
741 | cval->res = 1; | |
c3a3e040 | 742 | cval->dBmin = cval->dBmax = 0; |
1da177e4 LT |
743 | |
744 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
745 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
746 | cval->initialized = 1; | |
747 | } else { | |
748 | int minchn = 0; | |
749 | if (cval->cmask) { | |
750 | int i; | |
751 | for (i = 0; i < MAX_CHANNELS; i++) | |
752 | if (cval->cmask & (1 << i)) { | |
753 | minchn = i + 1; | |
754 | break; | |
755 | } | |
756 | } | |
de48c7bc DM |
757 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
758 | get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
84957a8a CL |
759 | snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", |
760 | cval->id, cval->mixer->ctrlif, cval->control, cval->id); | |
1da177e4 LT |
761 | return -EINVAL; |
762 | } | |
de48c7bc | 763 | if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { |
1da177e4 LT |
764 | cval->res = 1; |
765 | } else { | |
766 | int last_valid_res = cval->res; | |
767 | ||
768 | while (cval->res > 1) { | |
de48c7bc | 769 | if (set_ctl_value(cval, UAC_SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0) |
1da177e4 LT |
770 | break; |
771 | cval->res /= 2; | |
772 | } | |
de48c7bc | 773 | if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) |
1da177e4 LT |
774 | cval->res = last_valid_res; |
775 | } | |
776 | if (cval->res == 0) | |
777 | cval->res = 1; | |
14790f1c TI |
778 | |
779 | /* Additional checks for the proper resolution | |
780 | * | |
781 | * Some devices report smaller resolutions than actually | |
782 | * reacting. They don't return errors but simply clip | |
783 | * to the lower aligned value. | |
784 | */ | |
785 | if (cval->min + cval->res < cval->max) { | |
786 | int last_valid_res = cval->res; | |
787 | int saved, test, check; | |
641b4879 | 788 | get_cur_mix_raw(cval, minchn, &saved); |
14790f1c TI |
789 | for (;;) { |
790 | test = saved; | |
791 | if (test < cval->max) | |
792 | test += cval->res; | |
793 | else | |
794 | test -= cval->res; | |
795 | if (test < cval->min || test > cval->max || | |
641b4879 TI |
796 | set_cur_mix_value(cval, minchn, 0, test) || |
797 | get_cur_mix_raw(cval, minchn, &check)) { | |
14790f1c TI |
798 | cval->res = last_valid_res; |
799 | break; | |
800 | } | |
801 | if (test == check) | |
802 | break; | |
803 | cval->res *= 2; | |
804 | } | |
641b4879 | 805 | set_cur_mix_value(cval, minchn, 0, saved); |
14790f1c TI |
806 | } |
807 | ||
1da177e4 LT |
808 | cval->initialized = 1; |
809 | } | |
c3a3e040 JK |
810 | |
811 | /* USB descriptions contain the dB scale in 1/256 dB unit | |
812 | * while ALSA TLV contains in 1/100 dB unit | |
813 | */ | |
814 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; | |
815 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; | |
816 | if (cval->dBmin > cval->dBmax) { | |
817 | /* something is wrong; assume it's either from/to 0dB */ | |
818 | if (cval->dBmin < 0) | |
819 | cval->dBmax = 0; | |
820 | else if (cval->dBmin > 0) | |
821 | cval->dBmin = 0; | |
822 | if (cval->dBmin > cval->dBmax) { | |
823 | /* totally crap, return an error */ | |
824 | return -EINVAL; | |
825 | } | |
826 | } | |
827 | ||
1da177e4 LT |
828 | return 0; |
829 | } | |
830 | ||
831 | ||
832 | /* get a feature/mixer unit info */ | |
86e07d34 | 833 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 834 | { |
86e07d34 | 835 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
836 | |
837 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
838 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
839 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
840 | else | |
841 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
842 | uinfo->count = cval->channels; | |
843 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
844 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
845 | uinfo->value.integer.min = 0; | |
846 | uinfo->value.integer.max = 1; | |
847 | } else { | |
848 | if (! cval->initialized) | |
849 | get_min_max(cval, 0); | |
850 | uinfo->value.integer.min = 0; | |
14790f1c TI |
851 | uinfo->value.integer.max = |
852 | (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
853 | } |
854 | return 0; | |
855 | } | |
856 | ||
857 | /* get the current value from feature/mixer unit */ | |
86e07d34 | 858 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 859 | { |
86e07d34 | 860 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
861 | int c, cnt, val, err; |
862 | ||
641b4879 | 863 | ucontrol->value.integer.value[0] = cval->min; |
1da177e4 LT |
864 | if (cval->cmask) { |
865 | cnt = 0; | |
866 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
867 | if (!(cval->cmask & (1 << c))) |
868 | continue; | |
869 | err = get_cur_mix_value(cval, c + 1, cnt, &val); | |
870 | if (err < 0) | |
871 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
872 | val = get_relative_value(cval, val); | |
873 | ucontrol->value.integer.value[cnt] = val; | |
874 | cnt++; | |
1da177e4 | 875 | } |
641b4879 | 876 | return 0; |
1da177e4 LT |
877 | } else { |
878 | /* master channel */ | |
641b4879 TI |
879 | err = get_cur_mix_value(cval, 0, 0, &val); |
880 | if (err < 0) | |
881 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
1da177e4 LT |
882 | val = get_relative_value(cval, val); |
883 | ucontrol->value.integer.value[0] = val; | |
884 | } | |
885 | return 0; | |
886 | } | |
887 | ||
888 | /* put the current value to feature/mixer unit */ | |
86e07d34 | 889 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 890 | { |
86e07d34 | 891 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
892 | int c, cnt, val, oval, err; |
893 | int changed = 0; | |
894 | ||
895 | if (cval->cmask) { | |
896 | cnt = 0; | |
897 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
898 | if (!(cval->cmask & (1 << c))) |
899 | continue; | |
900 | err = get_cur_mix_value(cval, c + 1, cnt, &oval); | |
901 | if (err < 0) | |
902 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
903 | val = ucontrol->value.integer.value[cnt]; | |
904 | val = get_abs_value(cval, val); | |
905 | if (oval != val) { | |
906 | set_cur_mix_value(cval, c + 1, cnt, val); | |
907 | changed = 1; | |
1da177e4 | 908 | } |
641b4879 | 909 | cnt++; |
1da177e4 LT |
910 | } |
911 | } else { | |
912 | /* master channel */ | |
641b4879 | 913 | err = get_cur_mix_value(cval, 0, 0, &oval); |
1da177e4 | 914 | if (err < 0) |
641b4879 | 915 | return cval->mixer->ignore_ctl_error ? 0 : err; |
1da177e4 LT |
916 | val = ucontrol->value.integer.value[0]; |
917 | val = get_abs_value(cval, val); | |
918 | if (val != oval) { | |
641b4879 | 919 | set_cur_mix_value(cval, 0, 0, val); |
1da177e4 LT |
920 | changed = 1; |
921 | } | |
922 | } | |
923 | return changed; | |
924 | } | |
925 | ||
86e07d34 | 926 | static struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
927 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
928 | .name = "", /* will be filled later manually */ | |
929 | .info = mixer_ctl_feature_info, | |
930 | .get = mixer_ctl_feature_get, | |
931 | .put = mixer_ctl_feature_put, | |
932 | }; | |
933 | ||
934 | ||
935 | /* | |
936 | * build a feature control | |
937 | */ | |
938 | ||
08d1e635 TI |
939 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
940 | { | |
941 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); | |
942 | } | |
943 | ||
86e07d34 | 944 | static void build_feature_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 945 | unsigned int ctl_mask, int control, |
86e07d34 | 946 | struct usb_audio_term *iterm, int unitid) |
1da177e4 LT |
947 | { |
948 | unsigned int len = 0; | |
949 | int mapped_name = 0; | |
950 | int nameid = desc[desc[0] - 1]; | |
86e07d34 TI |
951 | struct snd_kcontrol *kctl; |
952 | struct usb_mixer_elem_info *cval; | |
c3a3e040 | 953 | const struct usbmix_name_map *map; |
1da177e4 LT |
954 | |
955 | control++; /* change from zero-based to 1-based value */ | |
956 | ||
957 | if (control == USB_FEATURE_GEQ) { | |
958 | /* FIXME: not supported yet */ | |
959 | return; | |
960 | } | |
961 | ||
c3a3e040 JK |
962 | map = find_map(state, unitid, control); |
963 | if (check_ignored_ctl(map)) | |
1da177e4 LT |
964 | return; |
965 | ||
561b220a | 966 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
967 | if (! cval) { |
968 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
969 | return; | |
970 | } | |
84957a8a | 971 | cval->mixer = state->mixer; |
1da177e4 LT |
972 | cval->id = unitid; |
973 | cval->control = control; | |
974 | cval->cmask = ctl_mask; | |
975 | cval->val_type = audio_feature_info[control-1].type; | |
976 | if (ctl_mask == 0) | |
977 | cval->channels = 1; /* master channel */ | |
978 | else { | |
979 | int i, c = 0; | |
980 | for (i = 0; i < 16; i++) | |
981 | if (ctl_mask & (1 << i)) | |
982 | c++; | |
983 | cval->channels = c; | |
984 | } | |
985 | ||
986 | /* get min/max values */ | |
987 | get_min_max(cval, 0); | |
988 | ||
989 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
990 | if (! kctl) { | |
991 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
992 | kfree(cval); | |
993 | return; | |
994 | } | |
995 | kctl->private_free = usb_mixer_elem_free; | |
996 | ||
c3a3e040 | 997 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
998 | mapped_name = len != 0; |
999 | if (! len && nameid) | |
c3a3e040 JK |
1000 | len = snd_usb_copy_string_desc(state, nameid, |
1001 | kctl->id.name, sizeof(kctl->id.name)); | |
1da177e4 LT |
1002 | |
1003 | switch (control) { | |
1004 | case USB_FEATURE_MUTE: | |
1005 | case USB_FEATURE_VOLUME: | |
1006 | /* determine the control name. the rule is: | |
1007 | * - if a name id is given in descriptor, use it. | |
1008 | * - if the connected input can be determined, then use the name | |
1009 | * of terminal type. | |
1010 | * - if the connected output can be determined, use it. | |
1011 | * - otherwise, anonymous name. | |
1012 | */ | |
1013 | if (! len) { | |
1014 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
1015 | if (! len) | |
1016 | len = get_term_name(state, &state->oterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
1017 | if (! len) | |
1018 | len = snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1019 | "Feature %d", unitid); | |
1020 | } | |
1021 | /* determine the stream direction: | |
1022 | * if the connected output is USB stream, then it's likely a | |
1023 | * capture stream. otherwise it should be playback (hopefully :) | |
1024 | */ | |
1025 | if (! mapped_name && ! (state->oterm.type >> 16)) { | |
1026 | if ((state->oterm.type & 0xff00) == 0x0100) { | |
08d1e635 | 1027 | len = append_ctl_name(kctl, " Capture"); |
1da177e4 | 1028 | } else { |
08d1e635 | 1029 | len = append_ctl_name(kctl, " Playback"); |
1da177e4 LT |
1030 | } |
1031 | } | |
08d1e635 TI |
1032 | append_ctl_name(kctl, control == USB_FEATURE_MUTE ? |
1033 | " Switch" : " Volume"); | |
7bc5ba7e TI |
1034 | if (control == USB_FEATURE_VOLUME) { |
1035 | kctl->tlv.c = mixer_vol_tlv; | |
1036 | kctl->vd[0].access |= | |
1037 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1038 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | |
c3a3e040 | 1039 | check_mapped_dB(map, cval); |
7bc5ba7e | 1040 | } |
1da177e4 LT |
1041 | break; |
1042 | ||
1043 | default: | |
1044 | if (! len) | |
1045 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, | |
1046 | sizeof(kctl->id.name)); | |
1047 | break; | |
1048 | } | |
1049 | ||
2cf313ee | 1050 | /* volume control quirks */ |
27d10f56 CL |
1051 | switch (state->chip->usb_id) { |
1052 | case USB_ID(0x0471, 0x0101): | |
1053 | case USB_ID(0x0471, 0x0104): | |
1054 | case USB_ID(0x0471, 0x0105): | |
1055 | case USB_ID(0x0672, 0x1041): | |
2cf313ee AF |
1056 | /* quirk for UDA1321/N101. |
1057 | * note that detection between firmware 2.1.1.7 (N101) | |
1058 | * and later 2.1.1.21 is not very clear from datasheets. | |
1059 | * I hope that the min value is -15360 for newer firmware --jk | |
1060 | */ | |
27d10f56 CL |
1061 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && |
1062 | cval->min == -15616) { | |
2cf313ee AF |
1063 | snd_printk(KERN_INFO |
1064 | "set volume quirk for UDA1321/N101 chip\n"); | |
27d10f56 CL |
1065 | cval->max = -256; |
1066 | } | |
2cf313ee AF |
1067 | break; |
1068 | ||
1069 | case USB_ID(0x046d, 0x09a4): | |
1070 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
1071 | snd_printk(KERN_INFO | |
1072 | "set volume quirk for QuickCam E3500\n"); | |
1073 | cval->min = 6080; | |
1074 | cval->max = 8768; | |
1075 | cval->res = 192; | |
1076 | } | |
1077 | break; | |
1078 | ||
1da177e4 LT |
1079 | } |
1080 | ||
1081 | snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", | |
1082 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res); | |
84957a8a | 1083 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1084 | } |
1085 | ||
1086 | ||
1087 | ||
1088 | /* | |
1089 | * parse a feature unit | |
1090 | * | |
1091 | * most of controlls are defined here. | |
1092 | */ | |
28e1b773 | 1093 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void *_ftr) |
1da177e4 LT |
1094 | { |
1095 | int channels, i, j; | |
86e07d34 | 1096 | struct usb_audio_term iterm; |
1da177e4 LT |
1097 | unsigned int master_bits, first_ch_bits; |
1098 | int err, csize; | |
28e1b773 | 1099 | struct uac_feature_unit_descriptor *ftr = _ftr; |
1da177e4 | 1100 | |
28e1b773 | 1101 | if (ftr->bLength < 7 || ! (csize = ftr->bControlSize) || ftr->bLength < 7 + csize) { |
de48c7bc | 1102 | snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid); |
1da177e4 LT |
1103 | return -EINVAL; |
1104 | } | |
1105 | ||
1106 | /* parse the source unit */ | |
28e1b773 | 1107 | if ((err = parse_audio_unit(state, ftr->bSourceID)) < 0) |
1da177e4 LT |
1108 | return err; |
1109 | ||
1110 | /* determine the input source type and name */ | |
28e1b773 | 1111 | if (check_input_term(state, ftr->bSourceID, &iterm) < 0) |
1da177e4 LT |
1112 | return -EINVAL; |
1113 | ||
28e1b773 | 1114 | channels = (ftr->bLength - 7) / csize - 1; |
1da177e4 | 1115 | |
28e1b773 | 1116 | master_bits = snd_usb_combine_bytes(ftr->controls, csize); |
0c3cee57 JK |
1117 | /* master configuration quirks */ |
1118 | switch (state->chip->usb_id) { | |
1119 | case USB_ID(0x08bb, 0x2702): | |
1120 | snd_printk(KERN_INFO | |
1121 | "usbmixer: master volume quirk for PCM2702 chip\n"); | |
1122 | /* disable non-functional volume control */ | |
1123 | master_bits &= ~(1 << (USB_FEATURE_VOLUME - 1)); | |
1124 | break; | |
1125 | } | |
1da177e4 | 1126 | if (channels > 0) |
28e1b773 | 1127 | first_ch_bits = snd_usb_combine_bytes(ftr->controls + csize, csize); |
1da177e4 LT |
1128 | else |
1129 | first_ch_bits = 0; | |
1130 | /* check all control types */ | |
1131 | for (i = 0; i < 10; i++) { | |
1132 | unsigned int ch_bits = 0; | |
1133 | for (j = 0; j < channels; j++) { | |
28e1b773 | 1134 | unsigned int mask = snd_usb_combine_bytes(ftr->controls + csize * (j+1), csize); |
1da177e4 LT |
1135 | if (mask & (1 << i)) |
1136 | ch_bits |= (1 << j); | |
1137 | } | |
1138 | if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ | |
28e1b773 | 1139 | build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid); |
1da177e4 | 1140 | if (master_bits & (1 << i)) |
28e1b773 | 1141 | build_feature_ctl(state, _ftr, 0, i, &iterm, unitid); |
1da177e4 LT |
1142 | } |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | ||
1148 | /* | |
1149 | * Mixer Unit | |
1150 | */ | |
1151 | ||
1152 | /* | |
1153 | * build a mixer unit control | |
1154 | * | |
1155 | * the callbacks are identical with feature unit. | |
1156 | * input channel number (zero based) is given in control field instead. | |
1157 | */ | |
1158 | ||
86e07d34 | 1159 | static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 1160 | int in_pin, int in_ch, int unitid, |
86e07d34 | 1161 | struct usb_audio_term *iterm) |
1da177e4 | 1162 | { |
86e07d34 | 1163 | struct usb_mixer_elem_info *cval; |
1da177e4 LT |
1164 | unsigned int input_pins = desc[4]; |
1165 | unsigned int num_outs = desc[5 + input_pins]; | |
1166 | unsigned int i, len; | |
86e07d34 | 1167 | struct snd_kcontrol *kctl; |
c3a3e040 | 1168 | const struct usbmix_name_map *map; |
1da177e4 | 1169 | |
c3a3e040 JK |
1170 | map = find_map(state, unitid, 0); |
1171 | if (check_ignored_ctl(map)) | |
1da177e4 LT |
1172 | return; |
1173 | ||
561b220a | 1174 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1175 | if (! cval) |
1176 | return; | |
1177 | ||
84957a8a | 1178 | cval->mixer = state->mixer; |
1da177e4 LT |
1179 | cval->id = unitid; |
1180 | cval->control = in_ch + 1; /* based on 1 */ | |
1181 | cval->val_type = USB_MIXER_S16; | |
1182 | for (i = 0; i < num_outs; i++) { | |
1183 | if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) { | |
1184 | cval->cmask |= (1 << i); | |
1185 | cval->channels++; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | /* get min/max values */ | |
1190 | get_min_max(cval, 0); | |
1191 | ||
1192 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1193 | if (! kctl) { | |
1194 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1195 | kfree(cval); | |
1196 | return; | |
1197 | } | |
1198 | kctl->private_free = usb_mixer_elem_free; | |
1199 | ||
c3a3e040 | 1200 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1201 | if (! len) |
1202 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); | |
1203 | if (! len) | |
1204 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); | |
08d1e635 | 1205 | append_ctl_name(kctl, " Volume"); |
1da177e4 LT |
1206 | |
1207 | snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n", | |
1208 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1209 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1210 | } |
1211 | ||
1212 | ||
1213 | /* | |
1214 | * parse a mixer unit | |
1215 | */ | |
86e07d34 | 1216 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 | 1217 | { |
86e07d34 | 1218 | struct usb_audio_term iterm; |
1da177e4 LT |
1219 | int input_pins, num_ins, num_outs; |
1220 | int pin, ich, err; | |
1221 | ||
1222 | if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) { | |
1223 | snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid); | |
1224 | return -EINVAL; | |
1225 | } | |
1226 | /* no bmControls field (e.g. Maya44) -> ignore */ | |
1227 | if (desc[0] <= 10 + input_pins) { | |
1228 | snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid); | |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | num_ins = 0; | |
1233 | ich = 0; | |
1234 | for (pin = 0; pin < input_pins; pin++) { | |
1235 | err = parse_audio_unit(state, desc[5 + pin]); | |
1236 | if (err < 0) | |
1237 | return err; | |
1238 | err = check_input_term(state, desc[5 + pin], &iterm); | |
1239 | if (err < 0) | |
1240 | return err; | |
1241 | num_ins += iterm.channels; | |
1242 | for (; ich < num_ins; ++ich) { | |
1243 | int och, ich_has_controls = 0; | |
1244 | ||
1245 | for (och = 0; och < num_outs; ++och) { | |
1246 | if (check_matrix_bitmap(desc + 9 + input_pins, | |
1247 | ich, och, num_outs)) { | |
1248 | ich_has_controls = 1; | |
1249 | break; | |
1250 | } | |
1251 | } | |
1252 | if (ich_has_controls) | |
1253 | build_mixer_unit_ctl(state, desc, pin, ich, | |
1254 | unitid, &iterm); | |
1255 | } | |
1256 | } | |
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | ||
1261 | /* | |
1262 | * Processing Unit / Extension Unit | |
1263 | */ | |
1264 | ||
1265 | /* get callback for processing/extension unit */ | |
86e07d34 | 1266 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1267 | { |
86e07d34 | 1268 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1269 | int err, val; |
1270 | ||
1271 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
84957a8a | 1272 | if (err < 0 && cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1273 | ucontrol->value.integer.value[0] = cval->min; |
1274 | return 0; | |
1275 | } | |
1276 | if (err < 0) | |
1277 | return err; | |
1278 | val = get_relative_value(cval, val); | |
1279 | ucontrol->value.integer.value[0] = val; | |
1280 | return 0; | |
1281 | } | |
1282 | ||
1283 | /* put callback for processing/extension unit */ | |
86e07d34 | 1284 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1285 | { |
86e07d34 | 1286 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1287 | int val, oval, err; |
1288 | ||
1289 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
1290 | if (err < 0) { | |
84957a8a | 1291 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1292 | return 0; |
1293 | return err; | |
1294 | } | |
1295 | val = ucontrol->value.integer.value[0]; | |
1296 | val = get_abs_value(cval, val); | |
1297 | if (val != oval) { | |
1298 | set_cur_ctl_value(cval, cval->control << 8, val); | |
1299 | return 1; | |
1300 | } | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | /* alsa control interface for processing/extension unit */ | |
86e07d34 | 1305 | static struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
1306 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1307 | .name = "", /* will be filled later */ | |
1308 | .info = mixer_ctl_feature_info, | |
1309 | .get = mixer_ctl_procunit_get, | |
1310 | .put = mixer_ctl_procunit_put, | |
1311 | }; | |
1312 | ||
1313 | ||
1314 | /* | |
1315 | * predefined data for processing units | |
1316 | */ | |
1317 | struct procunit_value_info { | |
1318 | int control; | |
1319 | char *suffix; | |
1320 | int val_type; | |
1321 | int min_value; | |
1322 | }; | |
1323 | ||
1324 | struct procunit_info { | |
1325 | int type; | |
1326 | char *name; | |
1327 | struct procunit_value_info *values; | |
1328 | }; | |
1329 | ||
1330 | static struct procunit_value_info updown_proc_info[] = { | |
1331 | { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1332 | { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1333 | { 0 } | |
1334 | }; | |
1335 | static struct procunit_value_info prologic_proc_info[] = { | |
1336 | { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1337 | { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1338 | { 0 } | |
1339 | }; | |
1340 | static struct procunit_value_info threed_enh_proc_info[] = { | |
1341 | { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1342 | { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1343 | { 0 } | |
1344 | }; | |
1345 | static struct procunit_value_info reverb_proc_info[] = { | |
1346 | { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1347 | { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
1348 | { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
1349 | { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, | |
1350 | { 0 } | |
1351 | }; | |
1352 | static struct procunit_value_info chorus_proc_info[] = { | |
1353 | { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1354 | { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
1355 | { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
1356 | { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1357 | { 0 } | |
1358 | }; | |
1359 | static struct procunit_value_info dcr_proc_info[] = { | |
1360 | { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1361 | { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, | |
1362 | { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, | |
1363 | { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
1364 | { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, | |
1365 | { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, | |
1366 | { 0 } | |
1367 | }; | |
1368 | ||
1369 | static struct procunit_info procunits[] = { | |
1370 | { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, | |
1371 | { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
1372 | { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, | |
1373 | { USB_PROC_REVERB, "Reverb", reverb_proc_info }, | |
1374 | { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, | |
1375 | { USB_PROC_DCR, "DCR", dcr_proc_info }, | |
1376 | { 0 }, | |
1377 | }; | |
7d2b451e SK |
1378 | /* |
1379 | * predefined data for extension units | |
1380 | */ | |
1381 | static struct procunit_value_info clock_rate_xu_info[] = { | |
1382 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, | |
1383 | { 0 } | |
1384 | }; | |
1385 | static struct procunit_value_info clock_source_xu_info[] = { | |
1386 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, | |
1387 | { 0 } | |
1388 | }; | |
1389 | static struct procunit_value_info spdif_format_xu_info[] = { | |
1390 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, | |
1391 | { 0 } | |
1392 | }; | |
1393 | static struct procunit_value_info soft_limit_xu_info[] = { | |
1394 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, | |
1395 | { 0 } | |
1396 | }; | |
1397 | static struct procunit_info extunits[] = { | |
1398 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, | |
1399 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, | |
1400 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, | |
1401 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, | |
1402 | { 0 } | |
1403 | }; | |
1da177e4 LT |
1404 | /* |
1405 | * build a processing/extension unit | |
1406 | */ | |
86e07d34 | 1407 | static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name) |
1da177e4 LT |
1408 | { |
1409 | int num_ins = dsc[6]; | |
86e07d34 TI |
1410 | struct usb_mixer_elem_info *cval; |
1411 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1412 | int i, err, nameid, type, len; |
1413 | struct procunit_info *info; | |
1414 | struct procunit_value_info *valinfo; | |
c3a3e040 | 1415 | const struct usbmix_name_map *map; |
1da177e4 LT |
1416 | static struct procunit_value_info default_value_info[] = { |
1417 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, | |
1418 | { 0 } | |
1419 | }; | |
1420 | static struct procunit_info default_info = { | |
1421 | 0, NULL, default_value_info | |
1422 | }; | |
1423 | ||
1424 | if (dsc[0] < 13 || dsc[0] < 13 + num_ins || dsc[0] < num_ins + dsc[11 + num_ins]) { | |
1425 | snd_printk(KERN_ERR "invalid %s descriptor (id %d)\n", name, unitid); | |
1426 | return -EINVAL; | |
1427 | } | |
1428 | ||
1429 | for (i = 0; i < num_ins; i++) { | |
1430 | if ((err = parse_audio_unit(state, dsc[7 + i])) < 0) | |
1431 | return err; | |
1432 | } | |
1433 | ||
1434 | type = combine_word(&dsc[4]); | |
1da177e4 LT |
1435 | for (info = list; info && info->type; info++) |
1436 | if (info->type == type) | |
1437 | break; | |
1438 | if (! info || ! info->type) | |
1439 | info = &default_info; | |
1440 | ||
1441 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
1442 | /* FIXME: bitmap might be longer than 8bit */ | |
1443 | if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) | |
1444 | continue; | |
c3a3e040 JK |
1445 | map = find_map(state, unitid, valinfo->control); |
1446 | if (check_ignored_ctl(map)) | |
1da177e4 | 1447 | continue; |
561b220a | 1448 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1449 | if (! cval) { |
1450 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1451 | return -ENOMEM; | |
1452 | } | |
84957a8a | 1453 | cval->mixer = state->mixer; |
1da177e4 LT |
1454 | cval->id = unitid; |
1455 | cval->control = valinfo->control; | |
1456 | cval->val_type = valinfo->val_type; | |
1457 | cval->channels = 1; | |
1458 | ||
1459 | /* get min/max values */ | |
1460 | if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { | |
1461 | /* FIXME: hard-coded */ | |
1462 | cval->min = 1; | |
1463 | cval->max = dsc[15]; | |
1464 | cval->res = 1; | |
1465 | cval->initialized = 1; | |
7d2b451e SK |
1466 | } else { |
1467 | if (type == USB_XU_CLOCK_RATE) { | |
1468 | /* E-Mu USB 0404/0202/TrackerPre | |
1469 | * samplerate control quirk | |
1470 | */ | |
1471 | cval->min = 0; | |
1472 | cval->max = 5; | |
1473 | cval->res = 1; | |
1474 | cval->initialized = 1; | |
1475 | } else | |
1476 | get_min_max(cval, valinfo->min_value); | |
1477 | } | |
1da177e4 LT |
1478 | |
1479 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); | |
1480 | if (! kctl) { | |
1481 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1482 | kfree(cval); | |
1483 | return -ENOMEM; | |
1484 | } | |
1485 | kctl->private_free = usb_mixer_elem_free; | |
1486 | ||
c3a3e040 JK |
1487 | if (check_mapped_name(map, kctl->id.name, |
1488 | sizeof(kctl->id.name))) | |
1489 | /* nothing */ ; | |
1da177e4 LT |
1490 | else if (info->name) |
1491 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); | |
1492 | else { | |
1493 | nameid = dsc[12 + num_ins + dsc[11 + num_ins]]; | |
1494 | len = 0; | |
1495 | if (nameid) | |
1496 | len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1497 | if (! len) | |
1498 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); | |
1499 | } | |
08d1e635 TI |
1500 | append_ctl_name(kctl, " "); |
1501 | append_ctl_name(kctl, valinfo->suffix); | |
1da177e4 LT |
1502 | |
1503 | snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n", | |
1504 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1505 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1506 | return err; |
1507 | } | |
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | ||
86e07d34 | 1512 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1513 | { |
1514 | return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit"); | |
1515 | } | |
1516 | ||
86e07d34 | 1517 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 | 1518 | { |
7d2b451e | 1519 | return build_audio_procunit(state, unitid, desc, extunits, "Extension Unit"); |
1da177e4 LT |
1520 | } |
1521 | ||
1522 | ||
1523 | /* | |
1524 | * Selector Unit | |
1525 | */ | |
1526 | ||
1527 | /* info callback for selector unit | |
1528 | * use an enumerator type for routing | |
1529 | */ | |
86e07d34 | 1530 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 1531 | { |
86e07d34 | 1532 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1533 | char **itemlist = (char **)kcontrol->private_value; |
1534 | ||
5e246b85 TI |
1535 | if (snd_BUG_ON(!itemlist)) |
1536 | return -EINVAL; | |
1da177e4 LT |
1537 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
1538 | uinfo->count = 1; | |
1539 | uinfo->value.enumerated.items = cval->max; | |
1540 | if ((int)uinfo->value.enumerated.item >= cval->max) | |
1541 | uinfo->value.enumerated.item = cval->max - 1; | |
1542 | strcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item]); | |
1543 | return 0; | |
1544 | } | |
1545 | ||
1546 | /* get callback for selector unit */ | |
86e07d34 | 1547 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1548 | { |
86e07d34 | 1549 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1550 | int val, err; |
1551 | ||
1552 | err = get_cur_ctl_value(cval, 0, &val); | |
1553 | if (err < 0) { | |
84957a8a | 1554 | if (cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1555 | ucontrol->value.enumerated.item[0] = 0; |
1556 | return 0; | |
1557 | } | |
1558 | return err; | |
1559 | } | |
1560 | val = get_relative_value(cval, val); | |
1561 | ucontrol->value.enumerated.item[0] = val; | |
1562 | return 0; | |
1563 | } | |
1564 | ||
1565 | /* put callback for selector unit */ | |
86e07d34 | 1566 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1567 | { |
86e07d34 | 1568 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1569 | int val, oval, err; |
1570 | ||
1571 | err = get_cur_ctl_value(cval, 0, &oval); | |
1572 | if (err < 0) { | |
84957a8a | 1573 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1574 | return 0; |
1575 | return err; | |
1576 | } | |
1577 | val = ucontrol->value.enumerated.item[0]; | |
1578 | val = get_abs_value(cval, val); | |
1579 | if (val != oval) { | |
1580 | set_cur_ctl_value(cval, 0, val); | |
1581 | return 1; | |
1582 | } | |
1583 | return 0; | |
1584 | } | |
1585 | ||
1586 | /* alsa control interface for selector unit */ | |
86e07d34 | 1587 | static struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
1588 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1589 | .name = "", /* will be filled later */ | |
1590 | .info = mixer_ctl_selector_info, | |
1591 | .get = mixer_ctl_selector_get, | |
1592 | .put = mixer_ctl_selector_put, | |
1593 | }; | |
1594 | ||
1595 | ||
1596 | /* private free callback. | |
1597 | * free both private_data and private_value | |
1598 | */ | |
86e07d34 | 1599 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
1600 | { |
1601 | int i, num_ins = 0; | |
1602 | ||
1603 | if (kctl->private_data) { | |
86e07d34 | 1604 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 LT |
1605 | num_ins = cval->max; |
1606 | kfree(cval); | |
1607 | kctl->private_data = NULL; | |
1608 | } | |
1609 | if (kctl->private_value) { | |
1610 | char **itemlist = (char **)kctl->private_value; | |
1611 | for (i = 0; i < num_ins; i++) | |
1612 | kfree(itemlist[i]); | |
1613 | kfree(itemlist); | |
1614 | kctl->private_value = 0; | |
1615 | } | |
1616 | } | |
1617 | ||
1618 | /* | |
1619 | * parse a selector unit | |
1620 | */ | |
86e07d34 | 1621 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1622 | { |
1623 | unsigned int num_ins = desc[4]; | |
1624 | unsigned int i, nameid, len; | |
1625 | int err; | |
86e07d34 TI |
1626 | struct usb_mixer_elem_info *cval; |
1627 | struct snd_kcontrol *kctl; | |
c3a3e040 | 1628 | const struct usbmix_name_map *map; |
1da177e4 LT |
1629 | char **namelist; |
1630 | ||
38977e96 | 1631 | if (! num_ins || desc[0] < 5 + num_ins) { |
1da177e4 LT |
1632 | snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid); |
1633 | return -EINVAL; | |
1634 | } | |
1635 | ||
1636 | for (i = 0; i < num_ins; i++) { | |
1637 | if ((err = parse_audio_unit(state, desc[5 + i])) < 0) | |
1638 | return err; | |
1639 | } | |
1640 | ||
1641 | if (num_ins == 1) /* only one ? nonsense! */ | |
1642 | return 0; | |
1643 | ||
c3a3e040 JK |
1644 | map = find_map(state, unitid, 0); |
1645 | if (check_ignored_ctl(map)) | |
1da177e4 LT |
1646 | return 0; |
1647 | ||
561b220a | 1648 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1649 | if (! cval) { |
1650 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1651 | return -ENOMEM; | |
1652 | } | |
84957a8a | 1653 | cval->mixer = state->mixer; |
1da177e4 LT |
1654 | cval->id = unitid; |
1655 | cval->val_type = USB_MIXER_U8; | |
1656 | cval->channels = 1; | |
1657 | cval->min = 1; | |
1658 | cval->max = num_ins; | |
1659 | cval->res = 1; | |
1660 | cval->initialized = 1; | |
1661 | ||
1662 | namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL); | |
1663 | if (! namelist) { | |
1664 | snd_printk(KERN_ERR "cannot malloc\n"); | |
1665 | kfree(cval); | |
1666 | return -ENOMEM; | |
1667 | } | |
1668 | #define MAX_ITEM_NAME_LEN 64 | |
1669 | for (i = 0; i < num_ins; i++) { | |
86e07d34 | 1670 | struct usb_audio_term iterm; |
1da177e4 LT |
1671 | len = 0; |
1672 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); | |
1673 | if (! namelist[i]) { | |
1674 | snd_printk(KERN_ERR "cannot malloc\n"); | |
7fbe3ca5 | 1675 | while (i--) |
1da177e4 LT |
1676 | kfree(namelist[i]); |
1677 | kfree(namelist); | |
1678 | kfree(cval); | |
1679 | return -ENOMEM; | |
1680 | } | |
8e062ec7 CL |
1681 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
1682 | MAX_ITEM_NAME_LEN); | |
1683 | if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0) | |
1da177e4 LT |
1684 | len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); |
1685 | if (! len) | |
1686 | sprintf(namelist[i], "Input %d", i); | |
1687 | } | |
1688 | ||
1689 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
1690 | if (! kctl) { | |
1691 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
878b4789 | 1692 | kfree(namelist); |
1da177e4 LT |
1693 | kfree(cval); |
1694 | return -ENOMEM; | |
1695 | } | |
1696 | kctl->private_value = (unsigned long)namelist; | |
1697 | kctl->private_free = usb_mixer_selector_elem_free; | |
1698 | ||
1699 | nameid = desc[desc[0] - 1]; | |
c3a3e040 | 1700 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1701 | if (len) |
1702 | ; | |
1703 | else if (nameid) | |
1704 | snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1705 | else { | |
1706 | len = get_term_name(state, &state->oterm, | |
1707 | kctl->id.name, sizeof(kctl->id.name), 0); | |
1708 | if (! len) | |
1709 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); | |
1710 | ||
1711 | if ((state->oterm.type & 0xff00) == 0x0100) | |
08d1e635 | 1712 | append_ctl_name(kctl, " Capture Source"); |
1da177e4 | 1713 | else |
08d1e635 | 1714 | append_ctl_name(kctl, " Playback Source"); |
1da177e4 LT |
1715 | } |
1716 | ||
1717 | snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n", | |
1718 | cval->id, kctl->id.name, num_ins); | |
84957a8a | 1719 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1720 | return err; |
1721 | ||
1722 | return 0; | |
1723 | } | |
1724 | ||
1725 | ||
1726 | /* | |
1727 | * parse an audio unit recursively | |
1728 | */ | |
1729 | ||
86e07d34 | 1730 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
1731 | { |
1732 | unsigned char *p1; | |
1733 | ||
1734 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
1735 | return 0; /* the unit already visited */ | |
1736 | ||
1737 | p1 = find_audio_control_unit(state, unitid); | |
1738 | if (!p1) { | |
1739 | snd_printk(KERN_ERR "usbaudio: unit %d not found!\n", unitid); | |
1740 | return -EINVAL; | |
1741 | } | |
1742 | ||
1743 | switch (p1[2]) { | |
de48c7bc | 1744 | case UAC_INPUT_TERMINAL: |
1da177e4 | 1745 | return 0; /* NOP */ |
de48c7bc | 1746 | case UAC_MIXER_UNIT: |
1da177e4 | 1747 | return parse_audio_mixer_unit(state, unitid, p1); |
de48c7bc | 1748 | case UAC_SELECTOR_UNIT: |
1da177e4 | 1749 | return parse_audio_selector_unit(state, unitid, p1); |
de48c7bc | 1750 | case UAC_FEATURE_UNIT: |
1da177e4 | 1751 | return parse_audio_feature_unit(state, unitid, p1); |
de48c7bc | 1752 | case UAC_PROCESSING_UNIT_V1: |
1da177e4 | 1753 | return parse_audio_processing_unit(state, unitid, p1); |
de48c7bc | 1754 | case UAC_EXTENSION_UNIT_V1: |
1da177e4 LT |
1755 | return parse_audio_extension_unit(state, unitid, p1); |
1756 | default: | |
1757 | snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]); | |
1758 | return -EINVAL; | |
1759 | } | |
1760 | } | |
1761 | ||
84957a8a CL |
1762 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
1763 | { | |
6639b6c2 CL |
1764 | kfree(mixer->id_elems); |
1765 | if (mixer->urb) { | |
1766 | kfree(mixer->urb->transfer_buffer); | |
1767 | usb_free_urb(mixer->urb); | |
1768 | } | |
68df9de1 | 1769 | usb_free_urb(mixer->rc_urb); |
b259b10c | 1770 | kfree(mixer->rc_setup_packet); |
84957a8a CL |
1771 | kfree(mixer); |
1772 | } | |
1773 | ||
86e07d34 | 1774 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
1775 | { |
1776 | struct usb_mixer_interface *mixer = device->device_data; | |
1777 | snd_usb_mixer_free(mixer); | |
1778 | return 0; | |
1779 | } | |
1780 | ||
1da177e4 LT |
1781 | /* |
1782 | * create mixer controls | |
1783 | * | |
de48c7bc | 1784 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
1da177e4 | 1785 | */ |
84957a8a | 1786 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 | 1787 | { |
28e1b773 | 1788 | struct uac_output_terminal_descriptor_v1 *desc; |
86e07d34 | 1789 | struct mixer_build state; |
1da177e4 LT |
1790 | int err; |
1791 | const struct usbmix_ctl_map *map; | |
84957a8a | 1792 | struct usb_host_interface *hostif; |
1da177e4 | 1793 | |
84957a8a | 1794 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; |
1da177e4 | 1795 | memset(&state, 0, sizeof(state)); |
84957a8a CL |
1796 | state.chip = mixer->chip; |
1797 | state.mixer = mixer; | |
1da177e4 LT |
1798 | state.buffer = hostif->extra; |
1799 | state.buflen = hostif->extralen; | |
1da177e4 LT |
1800 | |
1801 | /* check the mapping table */ | |
27d10f56 CL |
1802 | for (map = usbmix_ctl_maps; map->id; map++) { |
1803 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 1804 | state.map = map->map; |
8e062ec7 | 1805 | state.selector_map = map->selector_map; |
84957a8a | 1806 | mixer->ignore_ctl_error = map->ignore_ctl_error; |
1da177e4 LT |
1807 | break; |
1808 | } | |
1809 | } | |
1da177e4 LT |
1810 | |
1811 | desc = NULL; | |
de48c7bc | 1812 | while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, UAC_OUTPUT_TERMINAL)) != NULL) { |
28e1b773 | 1813 | if (desc->bLength < 9) |
1da177e4 | 1814 | continue; /* invalid descriptor? */ |
28e1b773 DM |
1815 | set_bit(desc->bTerminalID, state.unitbitmap); /* mark terminal ID as visited */ |
1816 | state.oterm.id = desc->bTerminalID; | |
1817 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
1818 | state.oterm.name = desc->iTerminal; | |
1819 | err = parse_audio_unit(&state, desc->bSourceID); | |
1da177e4 LT |
1820 | if (err < 0) |
1821 | return err; | |
1822 | } | |
1823 | return 0; | |
1824 | } | |
84957a8a | 1825 | |
6639b6c2 CL |
1826 | static void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, |
1827 | int unitid) | |
1828 | { | |
86e07d34 | 1829 | struct usb_mixer_elem_info *info; |
6639b6c2 CL |
1830 | |
1831 | for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem) | |
1832 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
1833 | info->elem_id); | |
1834 | } | |
1835 | ||
ebfdeea3 JK |
1836 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
1837 | int unitid, | |
1838 | struct usb_mixer_elem_info *cval) | |
1839 | { | |
1840 | static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN", | |
1841 | "S8", "U8", "S16", "U16"}; | |
1842 | snd_iprintf(buffer, " Unit: %i\n", unitid); | |
1843 | if (cval->elem_id) | |
1844 | snd_iprintf(buffer, " Control: name=\"%s\", index=%i\n", | |
1845 | cval->elem_id->name, cval->elem_id->index); | |
1846 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " | |
1847 | "channels=%i, type=\"%s\"\n", cval->id, | |
1848 | cval->control, cval->cmask, cval->channels, | |
1849 | val_types[cval->val_type]); | |
1850 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", | |
1851 | cval->min, cval->max, cval->dBmin, cval->dBmax); | |
1852 | } | |
1853 | ||
1854 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, | |
1855 | struct snd_info_buffer *buffer) | |
1856 | { | |
1857 | struct snd_usb_audio *chip = entry->private_data; | |
1858 | struct usb_mixer_interface *mixer; | |
1859 | struct usb_mixer_elem_info *cval; | |
1860 | int unitid; | |
1861 | ||
1862 | list_for_each_entry(mixer, &chip->mixer_list, list) { | |
1863 | snd_iprintf(buffer, | |
7affdc17 JK |
1864 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
1865 | chip->usb_id, mixer->ctrlif, | |
1866 | mixer->ignore_ctl_error); | |
ebfdeea3 JK |
1867 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
1868 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { | |
1869 | for (cval = mixer->id_elems[unitid]; cval; | |
1870 | cval = cval->next_id_elem) | |
1871 | snd_usb_mixer_dump_cval(buffer, unitid, cval); | |
1872 | } | |
1873 | } | |
1874 | } | |
1875 | ||
b259b10c CL |
1876 | static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer, |
1877 | int unitid) | |
1878 | { | |
4d1a70da | 1879 | if (!mixer->rc_cfg) |
aafad562 CL |
1880 | return; |
1881 | /* unit ids specific to Extigy/Audigy 2 NX: */ | |
1882 | switch (unitid) { | |
1883 | case 0: /* remote control */ | |
b259b10c CL |
1884 | mixer->rc_urb->dev = mixer->chip->dev; |
1885 | usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); | |
aafad562 CL |
1886 | break; |
1887 | case 4: /* digital in jack */ | |
1888 | case 7: /* line in jacks */ | |
1889 | case 19: /* speaker out jacks */ | |
1890 | case 20: /* headphones out jack */ | |
1891 | break; | |
69b1f1e8 TB |
1892 | /* live24ext: 4 = line-in jack */ |
1893 | case 3: /* hp-out jack (may actuate Mute) */ | |
3195954d AB |
1894 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
1895 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | |
69b1f1e8 TB |
1896 | snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); |
1897 | break; | |
aafad562 CL |
1898 | default: |
1899 | snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid); | |
1900 | break; | |
b259b10c CL |
1901 | } |
1902 | } | |
1903 | ||
7d12e780 | 1904 | static void snd_usb_mixer_status_complete(struct urb *urb) |
6639b6c2 CL |
1905 | { |
1906 | struct usb_mixer_interface *mixer = urb->context; | |
1907 | ||
1908 | if (urb->status == 0) { | |
1909 | u8 *buf = urb->transfer_buffer; | |
1910 | int i; | |
1911 | ||
1912 | for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) { | |
1913 | snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n", | |
1914 | buf[0], buf[1]); | |
1915 | /* ignore any notifications not from the control interface */ | |
1916 | if ((buf[0] & 0x0f) != 0) | |
1917 | continue; | |
1918 | if (!(buf[0] & 0x40)) | |
1919 | snd_usb_mixer_notify_id(mixer, buf[1]); | |
b259b10c CL |
1920 | else |
1921 | snd_usb_mixer_memory_change(mixer, buf[1]); | |
6639b6c2 CL |
1922 | } |
1923 | } | |
1924 | if (urb->status != -ENOENT && urb->status != -ECONNRESET) { | |
1925 | urb->dev = mixer->chip->dev; | |
1926 | usb_submit_urb(urb, GFP_ATOMIC); | |
1927 | } | |
1928 | } | |
1929 | ||
1930 | /* create the handler for the optional status interrupt endpoint */ | |
1931 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
1932 | { | |
1933 | struct usb_host_interface *hostif; | |
1934 | struct usb_endpoint_descriptor *ep; | |
1935 | void *transfer_buffer; | |
1936 | int buffer_length; | |
1937 | unsigned int epnum; | |
1938 | ||
1939 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; | |
1940 | /* we need one interrupt input endpoint */ | |
1941 | if (get_iface_desc(hostif)->bNumEndpoints < 1) | |
1942 | return 0; | |
1943 | ep = get_endpoint(hostif, 0); | |
913ae5a2 | 1944 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
6639b6c2 CL |
1945 | return 0; |
1946 | ||
42a6e66f | 1947 | epnum = usb_endpoint_num(ep); |
6639b6c2 CL |
1948 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
1949 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1950 | if (!transfer_buffer) | |
1951 | return -ENOMEM; | |
1952 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
1953 | if (!mixer->urb) { | |
1954 | kfree(transfer_buffer); | |
1955 | return -ENOMEM; | |
1956 | } | |
1957 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
1958 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
1959 | transfer_buffer, buffer_length, | |
1960 | snd_usb_mixer_status_complete, mixer, ep->bInterval); | |
1961 | usb_submit_urb(mixer->urb, GFP_KERNEL); | |
1962 | return 0; | |
1963 | } | |
1964 | ||
7d12e780 | 1965 | static void snd_usb_soundblaster_remote_complete(struct urb *urb) |
b259b10c CL |
1966 | { |
1967 | struct usb_mixer_interface *mixer = urb->context; | |
4d1a70da | 1968 | const struct rc_config *rc = mixer->rc_cfg; |
b259b10c CL |
1969 | u32 code; |
1970 | ||
b9c196e1 | 1971 | if (urb->status < 0 || urb->actual_length < rc->min_packet_length) |
b259b10c | 1972 | return; |
4d1a70da RC |
1973 | |
1974 | code = mixer->rc_buffer[rc->offset]; | |
1975 | if (rc->length == 2) | |
1976 | code |= mixer->rc_buffer[rc->offset + 1] << 8; | |
1977 | ||
b259b10c | 1978 | /* the Mute button actually changes the mixer control */ |
4d1a70da RC |
1979 | if (code == rc->mute_code) |
1980 | snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); | |
b259b10c CL |
1981 | mixer->rc_code = code; |
1982 | wmb(); | |
1983 | wake_up(&mixer->rc_waitq); | |
1984 | } | |
1985 | ||
86e07d34 | 1986 | static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, |
b259b10c CL |
1987 | long count, loff_t *offset) |
1988 | { | |
1989 | struct usb_mixer_interface *mixer = hw->private_data; | |
1990 | int err; | |
1991 | u32 rc_code; | |
1992 | ||
434b7f56 | 1993 | if (count != 1 && count != 4) |
b259b10c CL |
1994 | return -EINVAL; |
1995 | err = wait_event_interruptible(mixer->rc_waitq, | |
1996 | (rc_code = xchg(&mixer->rc_code, 0)) != 0); | |
1997 | if (err == 0) { | |
434b7f56 CL |
1998 | if (count == 1) |
1999 | err = put_user(rc_code, buf); | |
2000 | else | |
2001 | err = put_user(rc_code, (u32 __user *)buf); | |
b259b10c CL |
2002 | } |
2003 | return err < 0 ? err : count; | |
2004 | } | |
2005 | ||
86e07d34 | 2006 | static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, |
b259b10c CL |
2007 | poll_table *wait) |
2008 | { | |
2009 | struct usb_mixer_interface *mixer = hw->private_data; | |
2010 | ||
2011 | poll_wait(file, &mixer->rc_waitq, wait); | |
2012 | return mixer->rc_code ? POLLIN | POLLRDNORM : 0; | |
2013 | } | |
2014 | ||
2015 | static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) | |
2016 | { | |
86e07d34 | 2017 | struct snd_hwdep *hwdep; |
4d1a70da | 2018 | int err, len, i; |
b259b10c | 2019 | |
4d1a70da RC |
2020 | for (i = 0; i < ARRAY_SIZE(rc_configs); ++i) |
2021 | if (rc_configs[i].usb_id == mixer->chip->usb_id) | |
2022 | break; | |
2023 | if (i >= ARRAY_SIZE(rc_configs)) | |
b259b10c | 2024 | return 0; |
4d1a70da | 2025 | mixer->rc_cfg = &rc_configs[i]; |
b259b10c | 2026 | |
4d1a70da RC |
2027 | len = mixer->rc_cfg->packet_length; |
2028 | ||
b259b10c CL |
2029 | init_waitqueue_head(&mixer->rc_waitq); |
2030 | err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); | |
2031 | if (err < 0) | |
2032 | return err; | |
2033 | snprintf(hwdep->name, sizeof(hwdep->name), | |
2034 | "%s remote control", mixer->chip->card->shortname); | |
2035 | hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; | |
2036 | hwdep->private_data = mixer; | |
2037 | hwdep->ops.read = snd_usb_sbrc_hwdep_read; | |
b259b10c | 2038 | hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; |
28b7e343 | 2039 | hwdep->exclusive = 1; |
b259b10c CL |
2040 | |
2041 | mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); | |
2042 | if (!mixer->rc_urb) | |
2043 | return -ENOMEM; | |
2044 | mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); | |
2045 | if (!mixer->rc_setup_packet) { | |
2046 | usb_free_urb(mixer->rc_urb); | |
2047 | mixer->rc_urb = NULL; | |
2048 | return -ENOMEM; | |
2049 | } | |
2050 | mixer->rc_setup_packet->bRequestType = | |
2051 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
de48c7bc | 2052 | mixer->rc_setup_packet->bRequest = UAC_GET_MEM; |
b259b10c CL |
2053 | mixer->rc_setup_packet->wValue = cpu_to_le16(0); |
2054 | mixer->rc_setup_packet->wIndex = cpu_to_le16(0); | |
2055 | mixer->rc_setup_packet->wLength = cpu_to_le16(len); | |
2056 | usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, | |
2057 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
2058 | (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, | |
2059 | snd_usb_soundblaster_remote_complete, mixer); | |
2060 | return 0; | |
2061 | } | |
2062 | ||
a5ce8890 | 2063 | #define snd_audigy2nx_led_info snd_ctl_boolean_mono_info |
93446edc | 2064 | |
86e07d34 | 2065 | static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
2066 | { |
2067 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2068 | int index = kcontrol->private_value; | |
2069 | ||
2070 | ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index]; | |
2071 | return 0; | |
2072 | } | |
2073 | ||
86e07d34 | 2074 | static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
2075 | { |
2076 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2077 | int index = kcontrol->private_value; | |
2078 | int value = ucontrol->value.integer.value[0]; | |
2079 | int err, changed; | |
2080 | ||
2081 | if (value > 1) | |
2082 | return -EINVAL; | |
2083 | changed = value != mixer->audigy2nx_leds[index]; | |
2084 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2085 | usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, | |
2086 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
2087 | value, index + 2, NULL, 0, 100); | |
2088 | if (err < 0) | |
2089 | return err; | |
2090 | mixer->audigy2nx_leds[index] = value; | |
2091 | return changed; | |
2092 | } | |
2093 | ||
86e07d34 | 2094 | static struct snd_kcontrol_new snd_audigy2nx_controls[] = { |
93446edc CL |
2095 | { |
2096 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2097 | .name = "CMSS LED Switch", | |
2098 | .info = snd_audigy2nx_led_info, | |
2099 | .get = snd_audigy2nx_led_get, | |
2100 | .put = snd_audigy2nx_led_put, | |
2101 | .private_value = 0, | |
2102 | }, | |
2103 | { | |
2104 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2105 | .name = "Power LED Switch", | |
2106 | .info = snd_audigy2nx_led_info, | |
2107 | .get = snd_audigy2nx_led_get, | |
2108 | .put = snd_audigy2nx_led_put, | |
2109 | .private_value = 1, | |
2110 | }, | |
2111 | { | |
2112 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2113 | .name = "Dolby Digital LED Switch", | |
2114 | .info = snd_audigy2nx_led_info, | |
2115 | .get = snd_audigy2nx_led_get, | |
2116 | .put = snd_audigy2nx_led_put, | |
2117 | .private_value = 2, | |
2118 | }, | |
2119 | }; | |
2120 | ||
2121 | static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) | |
2122 | { | |
2123 | int i, err; | |
2124 | ||
2125 | for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { | |
3195954d AB |
2126 | if (i > 1 && /* Live24ext has 2 LEDs only */ |
2127 | (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || | |
2128 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) | |
69b1f1e8 | 2129 | break; |
93446edc CL |
2130 | err = snd_ctl_add(mixer->chip->card, |
2131 | snd_ctl_new1(&snd_audigy2nx_controls[i], mixer)); | |
2132 | if (err < 0) | |
2133 | return err; | |
2134 | } | |
2135 | mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */ | |
2136 | return 0; | |
2137 | } | |
2138 | ||
86e07d34 TI |
2139 | static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, |
2140 | struct snd_info_buffer *buffer) | |
aafad562 | 2141 | { |
69b1f1e8 | 2142 | static const struct sb_jack { |
aafad562 CL |
2143 | int unitid; |
2144 | const char *name; | |
69b1f1e8 | 2145 | } jacks_audigy2nx[] = { |
aafad562 CL |
2146 | {4, "dig in "}, |
2147 | {7, "line in"}, | |
2148 | {19, "spk out"}, | |
2149 | {20, "hph out"}, | |
69b1f1e8 TB |
2150 | {-1, NULL} |
2151 | }, jacks_live24ext[] = { | |
2152 | {4, "line in"}, /* &1=Line, &2=Mic*/ | |
2153 | {3, "hph out"}, /* headphones */ | |
2154 | {0, "RC "}, /* last command, 6 bytes see rc_config above */ | |
2155 | {-1, NULL} | |
aafad562 | 2156 | }; |
69b1f1e8 | 2157 | const struct sb_jack *jacks; |
aafad562 CL |
2158 | struct usb_mixer_interface *mixer = entry->private_data; |
2159 | int i, err; | |
2160 | u8 buf[3]; | |
2161 | ||
2162 | snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); | |
69b1f1e8 TB |
2163 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) |
2164 | jacks = jacks_audigy2nx; | |
3195954d AB |
2165 | else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
2166 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | |
69b1f1e8 TB |
2167 | jacks = jacks_live24ext; |
2168 | else | |
2169 | return; | |
2170 | ||
2171 | for (i = 0; jacks[i].name; ++i) { | |
aafad562 CL |
2172 | snd_iprintf(buffer, "%s: ", jacks[i].name); |
2173 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2174 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
de48c7bc | 2175 | UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | |
aafad562 CL |
2176 | USB_RECIP_INTERFACE, 0, |
2177 | jacks[i].unitid << 8, buf, 3, 100); | |
69b1f1e8 | 2178 | if (err == 3 && (buf[0] == 3 || buf[0] == 6)) |
aafad562 CL |
2179 | snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); |
2180 | else | |
2181 | snd_iprintf(buffer, "?\n"); | |
2182 | } | |
2183 | } | |
2184 | ||
468b8fde CL |
2185 | static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, |
2186 | struct snd_ctl_elem_value *ucontrol) | |
2187 | { | |
2188 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2189 | ||
2190 | ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02); | |
2191 | return 0; | |
2192 | } | |
2193 | ||
2194 | static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, | |
2195 | struct snd_ctl_elem_value *ucontrol) | |
2196 | { | |
2197 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2198 | u8 old_status, new_status; | |
2199 | int err, changed; | |
2200 | ||
2201 | old_status = mixer->xonar_u1_status; | |
2202 | if (ucontrol->value.integer.value[0]) | |
2203 | new_status = old_status | 0x02; | |
2204 | else | |
2205 | new_status = old_status & ~0x02; | |
2206 | changed = new_status != old_status; | |
2207 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2208 | usb_sndctrlpipe(mixer->chip->dev, 0), 0x08, | |
2209 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
2210 | 50, 0, &new_status, 1, 100); | |
2211 | if (err < 0) | |
2212 | return err; | |
2213 | mixer->xonar_u1_status = new_status; | |
2214 | return changed; | |
2215 | } | |
2216 | ||
2217 | static struct snd_kcontrol_new snd_xonar_u1_output_switch = { | |
2218 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2219 | .name = "Digital Playback Switch", | |
2220 | .info = snd_ctl_boolean_mono_info, | |
2221 | .get = snd_xonar_u1_switch_get, | |
2222 | .put = snd_xonar_u1_switch_put, | |
2223 | }; | |
2224 | ||
2225 | static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) | |
2226 | { | |
2227 | int err; | |
2228 | ||
2229 | err = snd_ctl_add(mixer->chip->card, | |
2230 | snd_ctl_new1(&snd_xonar_u1_output_switch, mixer)); | |
2231 | if (err < 0) | |
2232 | return err; | |
2233 | mixer->xonar_u1_status = 0x05; | |
2234 | return 0; | |
2235 | } | |
2236 | ||
7d2b451e | 2237 | void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, |
ebfdeea3 | 2238 | unsigned char samplerate_id) |
7d2b451e | 2239 | { |
ebfdeea3 JK |
2240 | struct usb_mixer_interface *mixer; |
2241 | struct usb_mixer_elem_info *cval; | |
2242 | int unitid = 12; /* SamleRate ExtensionUnit ID */ | |
7d2b451e | 2243 | |
ebfdeea3 JK |
2244 | list_for_each_entry(mixer, &chip->mixer_list, list) { |
2245 | cval = mixer->id_elems[unitid]; | |
2246 | if (cval) { | |
2247 | set_cur_ctl_value(cval, cval->control << 8, | |
2248 | samplerate_id); | |
7d2b451e | 2249 | snd_usb_mixer_notify_id(mixer, unitid); |
ebfdeea3 JK |
2250 | } |
2251 | break; | |
2252 | } | |
7d2b451e SK |
2253 | } |
2254 | ||
7a9b8063 TI |
2255 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
2256 | int ignore_error) | |
84957a8a | 2257 | { |
86e07d34 | 2258 | static struct snd_device_ops dev_ops = { |
84957a8a CL |
2259 | .dev_free = snd_usb_mixer_dev_free |
2260 | }; | |
2261 | struct usb_mixer_interface *mixer; | |
ebfdeea3 | 2262 | struct snd_info_entry *entry; |
7b8a043f DM |
2263 | struct usb_host_interface *host_iface; |
2264 | int err, protocol; | |
84957a8a CL |
2265 | |
2266 | strcpy(chip->card->mixername, "USB Mixer"); | |
2267 | ||
561b220a | 2268 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
2269 | if (!mixer) |
2270 | return -ENOMEM; | |
2271 | mixer->chip = chip; | |
2272 | mixer->ctrlif = ctrlif; | |
7a9b8063 | 2273 | mixer->ignore_ctl_error = ignore_error; |
291186e0 JK |
2274 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
2275 | GFP_KERNEL); | |
6639b6c2 CL |
2276 | if (!mixer->id_elems) { |
2277 | kfree(mixer); | |
2278 | return -ENOMEM; | |
2279 | } | |
84957a8a | 2280 | |
7b8a043f DM |
2281 | host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
2282 | protocol = host_iface->desc.bInterfaceProtocol; | |
2283 | ||
2284 | /* FIXME! */ | |
2285 | if (protocol != UAC_VERSION_1) { | |
2286 | snd_printk(KERN_WARNING "mixer interface protocol 0x%02x not yet supported\n", | |
2287 | protocol); | |
2288 | return 0; | |
2289 | } | |
2290 | ||
6639b6c2 | 2291 | if ((err = snd_usb_mixer_controls(mixer)) < 0 || |
93446edc CL |
2292 | (err = snd_usb_mixer_status_create(mixer)) < 0) |
2293 | goto _error; | |
84957a8a | 2294 | |
93446edc CL |
2295 | if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) |
2296 | goto _error; | |
2297 | ||
69b1f1e8 | 2298 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) || |
3195954d AB |
2299 | mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
2300 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) { | |
93446edc CL |
2301 | if ((err = snd_audigy2nx_controls_create(mixer)) < 0) |
2302 | goto _error; | |
aafad562 | 2303 | if (!snd_card_proc_new(chip->card, "audigy2nx", &entry)) |
bf850204 | 2304 | snd_info_set_text_ops(entry, mixer, |
aafad562 | 2305 | snd_audigy2nx_proc_read); |
b259b10c CL |
2306 | } |
2307 | ||
468b8fde CL |
2308 | if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) || |
2309 | mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) { | |
2310 | err = snd_xonar_u1_controls_create(mixer); | |
2311 | if (err < 0) | |
2312 | goto _error; | |
2313 | } | |
2314 | ||
84957a8a | 2315 | err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); |
93446edc CL |
2316 | if (err < 0) |
2317 | goto _error; | |
ebfdeea3 JK |
2318 | |
2319 | if (list_empty(&chip->mixer_list) && | |
2320 | !snd_card_proc_new(chip->card, "usbmixer", &entry)) | |
2321 | snd_info_set_text_ops(entry, chip, snd_usb_mixer_proc_read); | |
2322 | ||
84957a8a CL |
2323 | list_add(&mixer->list, &chip->mixer_list); |
2324 | return 0; | |
93446edc CL |
2325 | |
2326 | _error: | |
2327 | snd_usb_mixer_free(mixer); | |
2328 | return err; | |
84957a8a CL |
2329 | } |
2330 | ||
2331 | void snd_usb_mixer_disconnect(struct list_head *p) | |
2332 | { | |
6639b6c2 CL |
2333 | struct usb_mixer_interface *mixer; |
2334 | ||
2335 | mixer = list_entry(p, struct usb_mixer_interface, list); | |
68df9de1 MK |
2336 | usb_kill_urb(mixer->urb); |
2337 | usb_kill_urb(mixer->rc_urb); | |
84957a8a | 2338 | } |