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> | |
35 | #include <sound/core.h> | |
36 | #include <sound/control.h> | |
b259b10c | 37 | #include <sound/hwdep.h> |
aafad562 | 38 | #include <sound/info.h> |
7bc5ba7e | 39 | #include <sound/tlv.h> |
1da177e4 LT |
40 | |
41 | #include "usbaudio.h" | |
42 | ||
1da177e4 LT |
43 | /* |
44 | */ | |
45 | ||
46 | /* ignore error from controls - for debugging */ | |
47 | /* #define IGNORE_CTL_ERROR */ | |
48 | ||
4d1a70da RC |
49 | /* |
50 | * Sound Blaster remote control configuration | |
51 | * | |
52 | * format of remote control data: | |
53 | * Extigy: xx 00 | |
54 | * Audigy 2 NX: 06 80 xx 00 00 00 | |
55 | * Live! 24-bit: 06 80 xx yy 22 83 | |
56 | */ | |
57 | static const struct rc_config { | |
58 | u32 usb_id; | |
59 | u8 offset; | |
60 | u8 length; | |
61 | u8 packet_length; | |
b9c196e1 | 62 | u8 min_packet_length; /* minimum accepted length of the URB result */ |
4d1a70da RC |
63 | u8 mute_mixer_id; |
64 | u32 mute_code; | |
65 | } rc_configs[] = { | |
b9c196e1 PMJ |
66 | { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ |
67 | { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ | |
68 | { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ | |
3195954d | 69 | { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */ |
4d1a70da RC |
70 | }; |
71 | ||
84957a8a | 72 | struct usb_mixer_interface { |
86e07d34 | 73 | struct snd_usb_audio *chip; |
84957a8a CL |
74 | unsigned int ctrlif; |
75 | struct list_head list; | |
76 | unsigned int ignore_ctl_error; | |
6639b6c2 | 77 | struct urb *urb; |
86e07d34 | 78 | struct usb_mixer_elem_info **id_elems; /* array[256], indexed by unit id */ |
b259b10c CL |
79 | |
80 | /* Sound Blaster remote control stuff */ | |
4d1a70da | 81 | const struct rc_config *rc_cfg; |
b259b10c CL |
82 | u32 rc_code; |
83 | wait_queue_head_t rc_waitq; | |
84 | struct urb *rc_urb; | |
85 | struct usb_ctrlrequest *rc_setup_packet; | |
86 | u8 rc_buffer[6]; | |
93446edc CL |
87 | |
88 | u8 audigy2nx_leds[3]; | |
84957a8a CL |
89 | }; |
90 | ||
91 | ||
1da177e4 LT |
92 | struct usb_audio_term { |
93 | int id; | |
94 | int type; | |
95 | int channels; | |
96 | unsigned int chconfig; | |
97 | int name; | |
98 | }; | |
99 | ||
100 | struct usbmix_name_map; | |
101 | ||
86e07d34 TI |
102 | struct mixer_build { |
103 | struct snd_usb_audio *chip; | |
84957a8a | 104 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
105 | unsigned char *buffer; |
106 | unsigned int buflen; | |
707e6073 | 107 | DECLARE_BITMAP(unitbitmap, 256); |
86e07d34 | 108 | struct usb_audio_term oterm; |
1da177e4 | 109 | const struct usbmix_name_map *map; |
8e062ec7 | 110 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
111 | }; |
112 | ||
641b4879 TI |
113 | #define MAX_CHANNELS 10 /* max logical channels */ |
114 | ||
1da177e4 | 115 | struct usb_mixer_elem_info { |
84957a8a | 116 | struct usb_mixer_interface *mixer; |
86e07d34 TI |
117 | struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ |
118 | struct snd_ctl_elem_id *elem_id; | |
1da177e4 LT |
119 | unsigned int id; |
120 | unsigned int control; /* CS or ICN (high byte) */ | |
121 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
122 | int channels; | |
123 | int val_type; | |
124 | int min, max, res; | |
641b4879 TI |
125 | int cached; |
126 | int cache_val[MAX_CHANNELS]; | |
6639b6c2 | 127 | u8 initialized; |
1da177e4 LT |
128 | }; |
129 | ||
130 | ||
131 | enum { | |
132 | USB_FEATURE_NONE = 0, | |
133 | USB_FEATURE_MUTE = 1, | |
134 | USB_FEATURE_VOLUME, | |
135 | USB_FEATURE_BASS, | |
136 | USB_FEATURE_MID, | |
137 | USB_FEATURE_TREBLE, | |
138 | USB_FEATURE_GEQ, | |
139 | USB_FEATURE_AGC, | |
140 | USB_FEATURE_DELAY, | |
141 | USB_FEATURE_BASSBOOST, | |
142 | USB_FEATURE_LOUDNESS | |
143 | }; | |
144 | ||
145 | enum { | |
146 | USB_MIXER_BOOLEAN, | |
147 | USB_MIXER_INV_BOOLEAN, | |
148 | USB_MIXER_S8, | |
149 | USB_MIXER_U8, | |
150 | USB_MIXER_S16, | |
151 | USB_MIXER_U16, | |
152 | }; | |
153 | ||
154 | enum { | |
155 | USB_PROC_UPDOWN = 1, | |
156 | USB_PROC_UPDOWN_SWITCH = 1, | |
157 | USB_PROC_UPDOWN_MODE_SEL = 2, | |
158 | ||
159 | USB_PROC_PROLOGIC = 2, | |
160 | USB_PROC_PROLOGIC_SWITCH = 1, | |
161 | USB_PROC_PROLOGIC_MODE_SEL = 2, | |
162 | ||
163 | USB_PROC_3DENH = 3, | |
164 | USB_PROC_3DENH_SWITCH = 1, | |
165 | USB_PROC_3DENH_SPACE = 2, | |
166 | ||
167 | USB_PROC_REVERB = 4, | |
168 | USB_PROC_REVERB_SWITCH = 1, | |
169 | USB_PROC_REVERB_LEVEL = 2, | |
170 | USB_PROC_REVERB_TIME = 3, | |
171 | USB_PROC_REVERB_DELAY = 4, | |
172 | ||
173 | USB_PROC_CHORUS = 5, | |
174 | USB_PROC_CHORUS_SWITCH = 1, | |
175 | USB_PROC_CHORUS_LEVEL = 2, | |
176 | USB_PROC_CHORUS_RATE = 3, | |
177 | USB_PROC_CHORUS_DEPTH = 4, | |
178 | ||
179 | USB_PROC_DCR = 6, | |
180 | USB_PROC_DCR_SWITCH = 1, | |
181 | USB_PROC_DCR_RATIO = 2, | |
182 | USB_PROC_DCR_MAX_AMP = 3, | |
183 | USB_PROC_DCR_THRESHOLD = 4, | |
184 | USB_PROC_DCR_ATTACK = 5, | |
185 | USB_PROC_DCR_RELEASE = 6, | |
186 | }; | |
187 | ||
1da177e4 LT |
188 | |
189 | /* | |
190 | * manual mapping of mixer names | |
191 | * if the mixer topology is too complicated and the parsed names are | |
192 | * ambiguous, add the entries in usbmixer_maps.c. | |
193 | */ | |
194 | #include "usbmixer_maps.c" | |
195 | ||
196 | /* get the mapped name if the unit matches */ | |
86e07d34 | 197 | static int check_mapped_name(struct mixer_build *state, int unitid, int control, char *buf, int buflen) |
1da177e4 LT |
198 | { |
199 | const struct usbmix_name_map *p; | |
200 | ||
201 | if (! state->map) | |
202 | return 0; | |
203 | ||
204 | for (p = state->map; p->id; p++) { | |
205 | if (p->id == unitid && p->name && | |
206 | (! control || ! p->control || control == p->control)) { | |
207 | buflen--; | |
208 | return strlcpy(buf, p->name, buflen); | |
209 | } | |
210 | } | |
211 | return 0; | |
212 | } | |
213 | ||
214 | /* check whether the control should be ignored */ | |
86e07d34 | 215 | static int check_ignored_ctl(struct mixer_build *state, int unitid, int control) |
1da177e4 LT |
216 | { |
217 | const struct usbmix_name_map *p; | |
218 | ||
219 | if (! state->map) | |
220 | return 0; | |
221 | for (p = state->map; p->id; p++) { | |
222 | if (p->id == unitid && ! p->name && | |
223 | (! control || ! p->control || control == p->control)) { | |
54530bde TI |
224 | /* |
225 | printk(KERN_DEBUG "ignored control %d:%d\n", | |
226 | unitid, control); | |
227 | */ | |
1da177e4 LT |
228 | return 1; |
229 | } | |
230 | } | |
231 | return 0; | |
232 | } | |
233 | ||
8e062ec7 | 234 | /* get the mapped selector source name */ |
86e07d34 | 235 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
236 | int index, char *buf, int buflen) |
237 | { | |
238 | const struct usbmix_selector_map *p; | |
239 | ||
240 | if (! state->selector_map) | |
241 | return 0; | |
242 | for (p = state->selector_map; p->id; p++) { | |
243 | if (p->id == unitid && index < p->count) | |
244 | return strlcpy(buf, p->names[index], buflen); | |
245 | } | |
246 | return 0; | |
247 | } | |
248 | ||
1da177e4 LT |
249 | /* |
250 | * find an audio control unit with the given unit id | |
251 | */ | |
86e07d34 | 252 | static void *find_audio_control_unit(struct mixer_build *state, unsigned char unit) |
1da177e4 LT |
253 | { |
254 | unsigned char *p; | |
255 | ||
256 | p = NULL; | |
257 | while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, | |
258 | USB_DT_CS_INTERFACE)) != NULL) { | |
259 | if (p[0] >= 4 && p[2] >= INPUT_TERMINAL && p[2] <= EXTENSION_UNIT && p[3] == unit) | |
260 | return p; | |
261 | } | |
262 | return NULL; | |
263 | } | |
264 | ||
265 | ||
266 | /* | |
267 | * copy a string with the given id | |
268 | */ | |
86e07d34 | 269 | static int snd_usb_copy_string_desc(struct mixer_build *state, int index, char *buf, int maxlen) |
1da177e4 LT |
270 | { |
271 | int len = usb_string(state->chip->dev, index, buf, maxlen - 1); | |
272 | buf[len] = 0; | |
273 | return len; | |
274 | } | |
275 | ||
276 | /* | |
277 | * convert from the byte/word on usb descriptor to the zero-based integer | |
278 | */ | |
86e07d34 | 279 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
280 | { |
281 | switch (cval->val_type) { | |
282 | case USB_MIXER_BOOLEAN: | |
283 | return !!val; | |
284 | case USB_MIXER_INV_BOOLEAN: | |
285 | return !val; | |
286 | case USB_MIXER_U8: | |
287 | val &= 0xff; | |
288 | break; | |
289 | case USB_MIXER_S8: | |
290 | val &= 0xff; | |
291 | if (val >= 0x80) | |
292 | val -= 0x100; | |
293 | break; | |
294 | case USB_MIXER_U16: | |
295 | val &= 0xffff; | |
296 | break; | |
297 | case USB_MIXER_S16: | |
298 | val &= 0xffff; | |
299 | if (val >= 0x8000) | |
300 | val -= 0x10000; | |
301 | break; | |
302 | } | |
303 | return val; | |
304 | } | |
305 | ||
306 | /* | |
307 | * convert from the zero-based int to the byte/word for usb descriptor | |
308 | */ | |
86e07d34 | 309 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
310 | { |
311 | switch (cval->val_type) { | |
312 | case USB_MIXER_BOOLEAN: | |
313 | return !!val; | |
314 | case USB_MIXER_INV_BOOLEAN: | |
315 | return !val; | |
316 | case USB_MIXER_S8: | |
317 | case USB_MIXER_U8: | |
318 | return val & 0xff; | |
319 | case USB_MIXER_S16: | |
320 | case USB_MIXER_U16: | |
321 | return val & 0xffff; | |
322 | } | |
323 | return 0; /* not reached */ | |
324 | } | |
325 | ||
86e07d34 | 326 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
327 | { |
328 | if (! cval->res) | |
329 | cval->res = 1; | |
330 | if (val < cval->min) | |
331 | return 0; | |
14790f1c TI |
332 | else if (val >= cval->max) |
333 | return (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
334 | else |
335 | return (val - cval->min) / cval->res; | |
336 | } | |
337 | ||
86e07d34 | 338 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
339 | { |
340 | if (val < 0) | |
341 | return cval->min; | |
342 | if (! cval->res) | |
343 | cval->res = 1; | |
344 | val *= cval->res; | |
345 | val += cval->min; | |
346 | if (val > cval->max) | |
347 | return cval->max; | |
348 | return val; | |
349 | } | |
350 | ||
351 | ||
352 | /* | |
353 | * retrieve a mixer value | |
354 | */ | |
355 | ||
86e07d34 | 356 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) |
1da177e4 LT |
357 | { |
358 | unsigned char buf[2]; | |
359 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
360 | int timeout = 10; | |
361 | ||
362 | while (timeout-- > 0) { | |
84957a8a CL |
363 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
364 | usb_rcvctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
365 | request, |
366 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
84957a8a | 367 | validx, cval->mixer->ctrlif | (cval->id << 8), |
a04395ea | 368 | buf, val_len, 100) >= val_len) { |
1da177e4 LT |
369 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
370 | return 0; | |
371 | } | |
372 | } | |
84957a8a CL |
373 | snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
374 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); | |
1da177e4 LT |
375 | return -EINVAL; |
376 | } | |
377 | ||
86e07d34 | 378 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *value) |
1da177e4 LT |
379 | { |
380 | return get_ctl_value(cval, GET_CUR, validx, value); | |
381 | } | |
382 | ||
383 | /* channel = 0: master, 1 = first channel */ | |
641b4879 TI |
384 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
385 | int channel, int *value) | |
1da177e4 LT |
386 | { |
387 | return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value); | |
388 | } | |
389 | ||
641b4879 TI |
390 | static int get_cur_mix_value(struct usb_mixer_elem_info *cval, |
391 | int channel, int index, int *value) | |
392 | { | |
393 | int err; | |
394 | ||
395 | if (cval->cached & (1 << channel)) { | |
396 | *value = cval->cache_val[index]; | |
397 | return 0; | |
398 | } | |
399 | err = get_cur_mix_raw(cval, channel, value); | |
400 | if (err < 0) { | |
401 | if (!cval->mixer->ignore_ctl_error) | |
402 | snd_printd(KERN_ERR "cannot get current value for " | |
403 | "control %d ch %d: err = %d\n", | |
404 | cval->control, channel, err); | |
405 | return err; | |
406 | } | |
407 | cval->cached |= 1 << channel; | |
408 | cval->cache_val[index] = *value; | |
409 | return 0; | |
410 | } | |
411 | ||
412 | ||
1da177e4 LT |
413 | /* |
414 | * set a mixer value | |
415 | */ | |
416 | ||
86e07d34 | 417 | static int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set) |
1da177e4 LT |
418 | { |
419 | unsigned char buf[2]; | |
420 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
421 | int timeout = 10; | |
422 | ||
423 | value_set = convert_bytes_value(cval, value_set); | |
424 | buf[0] = value_set & 0xff; | |
425 | buf[1] = (value_set >> 8) & 0xff; | |
cf3f9130 | 426 | while (timeout-- > 0) |
84957a8a CL |
427 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
428 | usb_sndctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
429 | request, |
430 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
84957a8a | 431 | validx, cval->mixer->ctrlif | (cval->id << 8), |
1da177e4 LT |
432 | buf, val_len, 100) >= 0) |
433 | return 0; | |
84957a8a CL |
434 | snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
435 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]); | |
1da177e4 LT |
436 | return -EINVAL; |
437 | } | |
438 | ||
86e07d34 | 439 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) |
1da177e4 LT |
440 | { |
441 | return set_ctl_value(cval, SET_CUR, validx, value); | |
442 | } | |
443 | ||
641b4879 TI |
444 | static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
445 | int index, int value) | |
1da177e4 | 446 | { |
641b4879 TI |
447 | int err; |
448 | err = set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, | |
449 | value); | |
450 | if (err < 0) | |
451 | return err; | |
452 | cval->cached |= 1 << channel; | |
453 | cval->cache_val[index] = value; | |
454 | return 0; | |
1da177e4 LT |
455 | } |
456 | ||
7bc5ba7e TI |
457 | /* |
458 | * TLV callback for mixer volume controls | |
459 | */ | |
460 | static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, | |
461 | unsigned int size, unsigned int __user *_tlv) | |
462 | { | |
463 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
464 | DECLARE_TLV_DB_SCALE(scale, 0, 0, 0); | |
465 | ||
466 | if (size < sizeof(scale)) | |
467 | return -ENOMEM; | |
468 | /* USB descriptions contain the dB scale in 1/256 dB unit | |
469 | * while ALSA TLV contains in 1/100 dB unit | |
470 | */ | |
471 | scale[2] = (convert_signed_value(cval, cval->min) * 100) / 256; | |
472 | scale[3] = (convert_signed_value(cval, cval->res) * 100) / 256; | |
473 | if (copy_to_user(_tlv, scale, sizeof(scale))) | |
474 | return -EFAULT; | |
475 | return 0; | |
476 | } | |
1da177e4 LT |
477 | |
478 | /* | |
479 | * parser routines begin here... | |
480 | */ | |
481 | ||
86e07d34 | 482 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
483 | |
484 | ||
485 | /* | |
486 | * check if the input/output channel routing is enabled on the given bitmap. | |
487 | * used for mixer unit parser | |
488 | */ | |
489 | static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs) | |
490 | { | |
491 | int idx = ich * num_outs + och; | |
492 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
493 | } | |
494 | ||
495 | ||
496 | /* | |
497 | * add an alsa control element | |
498 | * search and increment the index until an empty slot is found. | |
499 | * | |
500 | * if failed, give up and free the control instance. | |
501 | */ | |
502 | ||
86e07d34 | 503 | static int add_control_to_empty(struct mixer_build *state, struct snd_kcontrol *kctl) |
1da177e4 | 504 | { |
86e07d34 | 505 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 | 506 | int err; |
84957a8a CL |
507 | |
508 | while (snd_ctl_find_id(state->chip->card, &kctl->id)) | |
1da177e4 | 509 | kctl->id.index++; |
84957a8a | 510 | if ((err = snd_ctl_add(state->chip->card, kctl)) < 0) { |
1da177e4 | 511 | snd_printd(KERN_ERR "cannot add control (err = %d)\n", err); |
6639b6c2 | 512 | return err; |
1da177e4 | 513 | } |
6639b6c2 CL |
514 | cval->elem_id = &kctl->id; |
515 | cval->next_id_elem = state->mixer->id_elems[cval->id]; | |
516 | state->mixer->id_elems[cval->id] = cval; | |
517 | return 0; | |
1da177e4 LT |
518 | } |
519 | ||
520 | ||
521 | /* | |
522 | * get a terminal name string | |
523 | */ | |
524 | ||
525 | static struct iterm_name_combo { | |
526 | int type; | |
527 | char *name; | |
528 | } iterm_names[] = { | |
529 | { 0x0300, "Output" }, | |
530 | { 0x0301, "Speaker" }, | |
531 | { 0x0302, "Headphone" }, | |
532 | { 0x0303, "HMD Audio" }, | |
533 | { 0x0304, "Desktop Speaker" }, | |
534 | { 0x0305, "Room Speaker" }, | |
535 | { 0x0306, "Com Speaker" }, | |
536 | { 0x0307, "LFE" }, | |
537 | { 0x0600, "External In" }, | |
538 | { 0x0601, "Analog In" }, | |
539 | { 0x0602, "Digital In" }, | |
540 | { 0x0603, "Line" }, | |
541 | { 0x0604, "Legacy In" }, | |
542 | { 0x0605, "IEC958 In" }, | |
543 | { 0x0606, "1394 DA Stream" }, | |
544 | { 0x0607, "1394 DV Stream" }, | |
545 | { 0x0700, "Embedded" }, | |
546 | { 0x0701, "Noise Source" }, | |
547 | { 0x0702, "Equalization Noise" }, | |
548 | { 0x0703, "CD" }, | |
549 | { 0x0704, "DAT" }, | |
550 | { 0x0705, "DCC" }, | |
551 | { 0x0706, "MiniDisk" }, | |
552 | { 0x0707, "Analog Tape" }, | |
553 | { 0x0708, "Phonograph" }, | |
554 | { 0x0709, "VCR Audio" }, | |
555 | { 0x070a, "Video Disk Audio" }, | |
556 | { 0x070b, "DVD Audio" }, | |
557 | { 0x070c, "TV Tuner Audio" }, | |
558 | { 0x070d, "Satellite Rec Audio" }, | |
559 | { 0x070e, "Cable Tuner Audio" }, | |
560 | { 0x070f, "DSS Audio" }, | |
561 | { 0x0710, "Radio Receiver" }, | |
562 | { 0x0711, "Radio Transmitter" }, | |
563 | { 0x0712, "Multi-Track Recorder" }, | |
564 | { 0x0713, "Synthesizer" }, | |
565 | { 0 }, | |
566 | }; | |
567 | ||
86e07d34 | 568 | static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm, |
1da177e4 LT |
569 | unsigned char *name, int maxlen, int term_only) |
570 | { | |
571 | struct iterm_name_combo *names; | |
572 | ||
573 | if (iterm->name) | |
574 | return snd_usb_copy_string_desc(state, iterm->name, name, maxlen); | |
575 | ||
576 | /* virtual type - not a real terminal */ | |
577 | if (iterm->type >> 16) { | |
578 | if (term_only) | |
579 | return 0; | |
580 | switch (iterm->type >> 16) { | |
581 | case SELECTOR_UNIT: | |
582 | strcpy(name, "Selector"); return 8; | |
583 | case PROCESSING_UNIT: | |
584 | strcpy(name, "Process Unit"); return 12; | |
585 | case EXTENSION_UNIT: | |
586 | strcpy(name, "Ext Unit"); return 8; | |
587 | case MIXER_UNIT: | |
588 | strcpy(name, "Mixer"); return 5; | |
589 | default: | |
590 | return sprintf(name, "Unit %d", iterm->id); | |
591 | } | |
592 | } | |
593 | ||
594 | switch (iterm->type & 0xff00) { | |
595 | case 0x0100: | |
596 | strcpy(name, "PCM"); return 3; | |
597 | case 0x0200: | |
598 | strcpy(name, "Mic"); return 3; | |
599 | case 0x0400: | |
600 | strcpy(name, "Headset"); return 7; | |
601 | case 0x0500: | |
602 | strcpy(name, "Phone"); return 5; | |
603 | } | |
604 | ||
605 | for (names = iterm_names; names->type; names++) | |
606 | if (names->type == iterm->type) { | |
607 | strcpy(name, names->name); | |
608 | return strlen(names->name); | |
609 | } | |
610 | return 0; | |
611 | } | |
612 | ||
613 | ||
614 | /* | |
615 | * parse the source unit recursively until it reaches to a terminal | |
616 | * or a branched unit. | |
617 | */ | |
86e07d34 | 618 | static int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term) |
1da177e4 LT |
619 | { |
620 | unsigned char *p1; | |
621 | ||
622 | memset(term, 0, sizeof(*term)); | |
623 | while ((p1 = find_audio_control_unit(state, id)) != NULL) { | |
624 | term->id = id; | |
625 | switch (p1[2]) { | |
626 | case INPUT_TERMINAL: | |
627 | term->type = combine_word(p1 + 4); | |
628 | term->channels = p1[7]; | |
629 | term->chconfig = combine_word(p1 + 8); | |
630 | term->name = p1[11]; | |
631 | return 0; | |
632 | case FEATURE_UNIT: | |
633 | id = p1[4]; | |
634 | break; /* continue to parse */ | |
635 | case MIXER_UNIT: | |
636 | term->type = p1[2] << 16; /* virtual type */ | |
637 | term->channels = p1[5 + p1[4]]; | |
638 | term->chconfig = combine_word(p1 + 6 + p1[4]); | |
639 | term->name = p1[p1[0] - 1]; | |
640 | return 0; | |
641 | case SELECTOR_UNIT: | |
642 | /* call recursively to retrieve the channel info */ | |
643 | if (check_input_term(state, p1[5], term) < 0) | |
644 | return -ENODEV; | |
645 | term->type = p1[2] << 16; /* virtual type */ | |
646 | term->id = id; | |
647 | term->name = p1[9 + p1[0] - 1]; | |
648 | return 0; | |
649 | case PROCESSING_UNIT: | |
650 | case EXTENSION_UNIT: | |
651 | if (p1[6] == 1) { | |
652 | id = p1[7]; | |
653 | break; /* continue to parse */ | |
654 | } | |
655 | term->type = p1[2] << 16; /* virtual type */ | |
656 | term->channels = p1[7 + p1[6]]; | |
657 | term->chconfig = combine_word(p1 + 8 + p1[6]); | |
658 | term->name = p1[12 + p1[6] + p1[11 + p1[6]]]; | |
659 | return 0; | |
660 | default: | |
661 | return -ENODEV; | |
662 | } | |
663 | } | |
664 | return -ENODEV; | |
665 | } | |
666 | ||
667 | ||
668 | /* | |
669 | * Feature Unit | |
670 | */ | |
671 | ||
672 | /* feature unit control information */ | |
673 | struct usb_feature_control_info { | |
674 | const char *name; | |
675 | unsigned int type; /* control type (mute, volume, etc.) */ | |
676 | }; | |
677 | ||
678 | static struct usb_feature_control_info audio_feature_info[] = { | |
679 | { "Mute", USB_MIXER_INV_BOOLEAN }, | |
680 | { "Volume", USB_MIXER_S16 }, | |
681 | { "Tone Control - Bass", USB_MIXER_S8 }, | |
682 | { "Tone Control - Mid", USB_MIXER_S8 }, | |
683 | { "Tone Control - Treble", USB_MIXER_S8 }, | |
684 | { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ | |
685 | { "Auto Gain Control", USB_MIXER_BOOLEAN }, | |
686 | { "Delay Control", USB_MIXER_U16 }, | |
687 | { "Bass Boost", USB_MIXER_BOOLEAN }, | |
688 | { "Loudness", USB_MIXER_BOOLEAN }, | |
689 | }; | |
690 | ||
691 | ||
692 | /* private_free callback */ | |
86e07d34 | 693 | static void usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 694 | { |
4d572776 JJ |
695 | kfree(kctl->private_data); |
696 | kctl->private_data = NULL; | |
1da177e4 LT |
697 | } |
698 | ||
699 | ||
700 | /* | |
701 | * interface to ALSA control for feature/mixer units | |
702 | */ | |
703 | ||
704 | /* | |
705 | * retrieve the minimum and maximum values for the specified control | |
706 | */ | |
86e07d34 | 707 | static int get_min_max(struct usb_mixer_elem_info *cval, int default_min) |
1da177e4 LT |
708 | { |
709 | /* for failsafe */ | |
710 | cval->min = default_min; | |
711 | cval->max = cval->min + 1; | |
712 | cval->res = 1; | |
713 | ||
714 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
715 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
716 | cval->initialized = 1; | |
717 | } else { | |
718 | int minchn = 0; | |
719 | if (cval->cmask) { | |
720 | int i; | |
721 | for (i = 0; i < MAX_CHANNELS; i++) | |
722 | if (cval->cmask & (1 << i)) { | |
723 | minchn = i + 1; | |
724 | break; | |
725 | } | |
726 | } | |
727 | if (get_ctl_value(cval, GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || | |
728 | get_ctl_value(cval, GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
84957a8a CL |
729 | snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", |
730 | cval->id, cval->mixer->ctrlif, cval->control, cval->id); | |
1da177e4 LT |
731 | return -EINVAL; |
732 | } | |
733 | if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { | |
734 | cval->res = 1; | |
735 | } else { | |
736 | int last_valid_res = cval->res; | |
737 | ||
738 | while (cval->res > 1) { | |
739 | if (set_ctl_value(cval, SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0) | |
740 | break; | |
741 | cval->res /= 2; | |
742 | } | |
743 | if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) | |
744 | cval->res = last_valid_res; | |
745 | } | |
746 | if (cval->res == 0) | |
747 | cval->res = 1; | |
14790f1c TI |
748 | |
749 | /* Additional checks for the proper resolution | |
750 | * | |
751 | * Some devices report smaller resolutions than actually | |
752 | * reacting. They don't return errors but simply clip | |
753 | * to the lower aligned value. | |
754 | */ | |
755 | if (cval->min + cval->res < cval->max) { | |
756 | int last_valid_res = cval->res; | |
757 | int saved, test, check; | |
641b4879 | 758 | get_cur_mix_raw(cval, minchn, &saved); |
14790f1c TI |
759 | for (;;) { |
760 | test = saved; | |
761 | if (test < cval->max) | |
762 | test += cval->res; | |
763 | else | |
764 | test -= cval->res; | |
765 | if (test < cval->min || test > cval->max || | |
641b4879 TI |
766 | set_cur_mix_value(cval, minchn, 0, test) || |
767 | get_cur_mix_raw(cval, minchn, &check)) { | |
14790f1c TI |
768 | cval->res = last_valid_res; |
769 | break; | |
770 | } | |
771 | if (test == check) | |
772 | break; | |
773 | cval->res *= 2; | |
774 | } | |
641b4879 | 775 | set_cur_mix_value(cval, minchn, 0, saved); |
14790f1c TI |
776 | } |
777 | ||
1da177e4 LT |
778 | cval->initialized = 1; |
779 | } | |
780 | return 0; | |
781 | } | |
782 | ||
783 | ||
784 | /* get a feature/mixer unit info */ | |
86e07d34 | 785 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 786 | { |
86e07d34 | 787 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
788 | |
789 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
790 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
791 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
792 | else | |
793 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
794 | uinfo->count = cval->channels; | |
795 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
796 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
797 | uinfo->value.integer.min = 0; | |
798 | uinfo->value.integer.max = 1; | |
799 | } else { | |
800 | if (! cval->initialized) | |
801 | get_min_max(cval, 0); | |
802 | uinfo->value.integer.min = 0; | |
14790f1c TI |
803 | uinfo->value.integer.max = |
804 | (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
805 | } |
806 | return 0; | |
807 | } | |
808 | ||
809 | /* get the current value from feature/mixer unit */ | |
86e07d34 | 810 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 811 | { |
86e07d34 | 812 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
813 | int c, cnt, val, err; |
814 | ||
641b4879 | 815 | ucontrol->value.integer.value[0] = cval->min; |
1da177e4 LT |
816 | if (cval->cmask) { |
817 | cnt = 0; | |
818 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
819 | if (!(cval->cmask & (1 << c))) |
820 | continue; | |
821 | err = get_cur_mix_value(cval, c + 1, cnt, &val); | |
822 | if (err < 0) | |
823 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
824 | val = get_relative_value(cval, val); | |
825 | ucontrol->value.integer.value[cnt] = val; | |
826 | cnt++; | |
1da177e4 | 827 | } |
641b4879 | 828 | return 0; |
1da177e4 LT |
829 | } else { |
830 | /* master channel */ | |
641b4879 TI |
831 | err = get_cur_mix_value(cval, 0, 0, &val); |
832 | if (err < 0) | |
833 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
1da177e4 LT |
834 | val = get_relative_value(cval, val); |
835 | ucontrol->value.integer.value[0] = val; | |
836 | } | |
837 | return 0; | |
838 | } | |
839 | ||
840 | /* put the current value to feature/mixer unit */ | |
86e07d34 | 841 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 842 | { |
86e07d34 | 843 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
844 | int c, cnt, val, oval, err; |
845 | int changed = 0; | |
846 | ||
847 | if (cval->cmask) { | |
848 | cnt = 0; | |
849 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
850 | if (!(cval->cmask & (1 << c))) |
851 | continue; | |
852 | err = get_cur_mix_value(cval, c + 1, cnt, &oval); | |
853 | if (err < 0) | |
854 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
855 | val = ucontrol->value.integer.value[cnt]; | |
856 | val = get_abs_value(cval, val); | |
857 | if (oval != val) { | |
858 | set_cur_mix_value(cval, c + 1, cnt, val); | |
859 | changed = 1; | |
1da177e4 | 860 | } |
641b4879 | 861 | cnt++; |
1da177e4 LT |
862 | } |
863 | } else { | |
864 | /* master channel */ | |
641b4879 | 865 | err = get_cur_mix_value(cval, 0, 0, &oval); |
1da177e4 | 866 | if (err < 0) |
641b4879 | 867 | return cval->mixer->ignore_ctl_error ? 0 : err; |
1da177e4 LT |
868 | val = ucontrol->value.integer.value[0]; |
869 | val = get_abs_value(cval, val); | |
870 | if (val != oval) { | |
641b4879 | 871 | set_cur_mix_value(cval, 0, 0, val); |
1da177e4 LT |
872 | changed = 1; |
873 | } | |
874 | } | |
875 | return changed; | |
876 | } | |
877 | ||
86e07d34 | 878 | static struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
879 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
880 | .name = "", /* will be filled later manually */ | |
881 | .info = mixer_ctl_feature_info, | |
882 | .get = mixer_ctl_feature_get, | |
883 | .put = mixer_ctl_feature_put, | |
884 | }; | |
885 | ||
886 | ||
887 | /* | |
888 | * build a feature control | |
889 | */ | |
890 | ||
86e07d34 | 891 | static void build_feature_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 892 | unsigned int ctl_mask, int control, |
86e07d34 | 893 | struct usb_audio_term *iterm, int unitid) |
1da177e4 LT |
894 | { |
895 | unsigned int len = 0; | |
896 | int mapped_name = 0; | |
897 | int nameid = desc[desc[0] - 1]; | |
86e07d34 TI |
898 | struct snd_kcontrol *kctl; |
899 | struct usb_mixer_elem_info *cval; | |
1da177e4 LT |
900 | |
901 | control++; /* change from zero-based to 1-based value */ | |
902 | ||
903 | if (control == USB_FEATURE_GEQ) { | |
904 | /* FIXME: not supported yet */ | |
905 | return; | |
906 | } | |
907 | ||
908 | if (check_ignored_ctl(state, unitid, control)) | |
909 | return; | |
910 | ||
561b220a | 911 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
912 | if (! cval) { |
913 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
914 | return; | |
915 | } | |
84957a8a | 916 | cval->mixer = state->mixer; |
1da177e4 LT |
917 | cval->id = unitid; |
918 | cval->control = control; | |
919 | cval->cmask = ctl_mask; | |
920 | cval->val_type = audio_feature_info[control-1].type; | |
921 | if (ctl_mask == 0) | |
922 | cval->channels = 1; /* master channel */ | |
923 | else { | |
924 | int i, c = 0; | |
925 | for (i = 0; i < 16; i++) | |
926 | if (ctl_mask & (1 << i)) | |
927 | c++; | |
928 | cval->channels = c; | |
929 | } | |
930 | ||
931 | /* get min/max values */ | |
932 | get_min_max(cval, 0); | |
933 | ||
934 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
935 | if (! kctl) { | |
936 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
937 | kfree(cval); | |
938 | return; | |
939 | } | |
940 | kctl->private_free = usb_mixer_elem_free; | |
941 | ||
942 | len = check_mapped_name(state, unitid, control, kctl->id.name, sizeof(kctl->id.name)); | |
943 | mapped_name = len != 0; | |
944 | if (! len && nameid) | |
945 | len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
946 | ||
947 | switch (control) { | |
948 | case USB_FEATURE_MUTE: | |
949 | case USB_FEATURE_VOLUME: | |
950 | /* determine the control name. the rule is: | |
951 | * - if a name id is given in descriptor, use it. | |
952 | * - if the connected input can be determined, then use the name | |
953 | * of terminal type. | |
954 | * - if the connected output can be determined, use it. | |
955 | * - otherwise, anonymous name. | |
956 | */ | |
957 | if (! len) { | |
958 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
959 | if (! len) | |
960 | len = get_term_name(state, &state->oterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
961 | if (! len) | |
962 | len = snprintf(kctl->id.name, sizeof(kctl->id.name), | |
963 | "Feature %d", unitid); | |
964 | } | |
965 | /* determine the stream direction: | |
966 | * if the connected output is USB stream, then it's likely a | |
967 | * capture stream. otherwise it should be playback (hopefully :) | |
968 | */ | |
969 | if (! mapped_name && ! (state->oterm.type >> 16)) { | |
970 | if ((state->oterm.type & 0xff00) == 0x0100) { | |
971 | len = strlcat(kctl->id.name, " Capture", sizeof(kctl->id.name)); | |
972 | } else { | |
973 | len = strlcat(kctl->id.name + len, " Playback", sizeof(kctl->id.name)); | |
974 | } | |
975 | } | |
976 | strlcat(kctl->id.name + len, control == USB_FEATURE_MUTE ? " Switch" : " Volume", | |
977 | sizeof(kctl->id.name)); | |
7bc5ba7e TI |
978 | if (control == USB_FEATURE_VOLUME) { |
979 | kctl->tlv.c = mixer_vol_tlv; | |
980 | kctl->vd[0].access |= | |
981 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
982 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | |
983 | } | |
1da177e4 LT |
984 | break; |
985 | ||
986 | default: | |
987 | if (! len) | |
988 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, | |
989 | sizeof(kctl->id.name)); | |
990 | break; | |
991 | } | |
992 | ||
993 | /* quirk for UDA1321/N101 */ | |
994 | /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */ | |
995 | /* is not very clear from datasheets */ | |
996 | /* I hope that the min value is -15360 for newer firmware --jk */ | |
27d10f56 CL |
997 | switch (state->chip->usb_id) { |
998 | case USB_ID(0x0471, 0x0101): | |
999 | case USB_ID(0x0471, 0x0104): | |
1000 | case USB_ID(0x0471, 0x0105): | |
1001 | case USB_ID(0x0672, 0x1041): | |
1002 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && | |
1003 | cval->min == -15616) { | |
d3d579f8 | 1004 | snd_printk(KERN_INFO "using volume control quirk for the UDA1321/N101 chip\n"); |
27d10f56 CL |
1005 | cval->max = -256; |
1006 | } | |
1da177e4 LT |
1007 | } |
1008 | ||
1009 | snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", | |
1010 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res); | |
84957a8a | 1011 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1012 | } |
1013 | ||
1014 | ||
1015 | ||
1016 | /* | |
1017 | * parse a feature unit | |
1018 | * | |
1019 | * most of controlls are defined here. | |
1020 | */ | |
86e07d34 | 1021 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, unsigned char *ftr) |
1da177e4 LT |
1022 | { |
1023 | int channels, i, j; | |
86e07d34 | 1024 | struct usb_audio_term iterm; |
1da177e4 LT |
1025 | unsigned int master_bits, first_ch_bits; |
1026 | int err, csize; | |
1027 | ||
1028 | if (ftr[0] < 7 || ! (csize = ftr[5]) || ftr[0] < 7 + csize) { | |
1029 | snd_printk(KERN_ERR "usbaudio: unit %u: invalid FEATURE_UNIT descriptor\n", unitid); | |
1030 | return -EINVAL; | |
1031 | } | |
1032 | ||
1033 | /* parse the source unit */ | |
1034 | if ((err = parse_audio_unit(state, ftr[4])) < 0) | |
1035 | return err; | |
1036 | ||
1037 | /* determine the input source type and name */ | |
1038 | if (check_input_term(state, ftr[4], &iterm) < 0) | |
1039 | return -EINVAL; | |
1040 | ||
1041 | channels = (ftr[0] - 7) / csize - 1; | |
1042 | ||
1043 | master_bits = snd_usb_combine_bytes(ftr + 6, csize); | |
1044 | if (channels > 0) | |
1045 | first_ch_bits = snd_usb_combine_bytes(ftr + 6 + csize, csize); | |
1046 | else | |
1047 | first_ch_bits = 0; | |
1048 | /* check all control types */ | |
1049 | for (i = 0; i < 10; i++) { | |
1050 | unsigned int ch_bits = 0; | |
1051 | for (j = 0; j < channels; j++) { | |
1052 | unsigned int mask = snd_usb_combine_bytes(ftr + 6 + csize * (j+1), csize); | |
1053 | if (mask & (1 << i)) | |
1054 | ch_bits |= (1 << j); | |
1055 | } | |
1056 | if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ | |
1057 | build_feature_ctl(state, ftr, ch_bits, i, &iterm, unitid); | |
1058 | if (master_bits & (1 << i)) | |
1059 | build_feature_ctl(state, ftr, 0, i, &iterm, unitid); | |
1060 | } | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | ||
1066 | /* | |
1067 | * Mixer Unit | |
1068 | */ | |
1069 | ||
1070 | /* | |
1071 | * build a mixer unit control | |
1072 | * | |
1073 | * the callbacks are identical with feature unit. | |
1074 | * input channel number (zero based) is given in control field instead. | |
1075 | */ | |
1076 | ||
86e07d34 | 1077 | static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 1078 | int in_pin, int in_ch, int unitid, |
86e07d34 | 1079 | struct usb_audio_term *iterm) |
1da177e4 | 1080 | { |
86e07d34 | 1081 | struct usb_mixer_elem_info *cval; |
1da177e4 LT |
1082 | unsigned int input_pins = desc[4]; |
1083 | unsigned int num_outs = desc[5 + input_pins]; | |
1084 | unsigned int i, len; | |
86e07d34 | 1085 | struct snd_kcontrol *kctl; |
1da177e4 LT |
1086 | |
1087 | if (check_ignored_ctl(state, unitid, 0)) | |
1088 | return; | |
1089 | ||
561b220a | 1090 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1091 | if (! cval) |
1092 | return; | |
1093 | ||
84957a8a | 1094 | cval->mixer = state->mixer; |
1da177e4 LT |
1095 | cval->id = unitid; |
1096 | cval->control = in_ch + 1; /* based on 1 */ | |
1097 | cval->val_type = USB_MIXER_S16; | |
1098 | for (i = 0; i < num_outs; i++) { | |
1099 | if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) { | |
1100 | cval->cmask |= (1 << i); | |
1101 | cval->channels++; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | /* get min/max values */ | |
1106 | get_min_max(cval, 0); | |
1107 | ||
1108 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1109 | if (! kctl) { | |
1110 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1111 | kfree(cval); | |
1112 | return; | |
1113 | } | |
1114 | kctl->private_free = usb_mixer_elem_free; | |
1115 | ||
1116 | len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); | |
1117 | if (! len) | |
1118 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); | |
1119 | if (! len) | |
1120 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); | |
1121 | strlcat(kctl->id.name + len, " Volume", sizeof(kctl->id.name)); | |
1122 | ||
1123 | snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n", | |
1124 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1125 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1126 | } |
1127 | ||
1128 | ||
1129 | /* | |
1130 | * parse a mixer unit | |
1131 | */ | |
86e07d34 | 1132 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 | 1133 | { |
86e07d34 | 1134 | struct usb_audio_term iterm; |
1da177e4 LT |
1135 | int input_pins, num_ins, num_outs; |
1136 | int pin, ich, err; | |
1137 | ||
1138 | if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) { | |
1139 | snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid); | |
1140 | return -EINVAL; | |
1141 | } | |
1142 | /* no bmControls field (e.g. Maya44) -> ignore */ | |
1143 | if (desc[0] <= 10 + input_pins) { | |
1144 | snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid); | |
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | num_ins = 0; | |
1149 | ich = 0; | |
1150 | for (pin = 0; pin < input_pins; pin++) { | |
1151 | err = parse_audio_unit(state, desc[5 + pin]); | |
1152 | if (err < 0) | |
1153 | return err; | |
1154 | err = check_input_term(state, desc[5 + pin], &iterm); | |
1155 | if (err < 0) | |
1156 | return err; | |
1157 | num_ins += iterm.channels; | |
1158 | for (; ich < num_ins; ++ich) { | |
1159 | int och, ich_has_controls = 0; | |
1160 | ||
1161 | for (och = 0; och < num_outs; ++och) { | |
1162 | if (check_matrix_bitmap(desc + 9 + input_pins, | |
1163 | ich, och, num_outs)) { | |
1164 | ich_has_controls = 1; | |
1165 | break; | |
1166 | } | |
1167 | } | |
1168 | if (ich_has_controls) | |
1169 | build_mixer_unit_ctl(state, desc, pin, ich, | |
1170 | unitid, &iterm); | |
1171 | } | |
1172 | } | |
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | ||
1177 | /* | |
1178 | * Processing Unit / Extension Unit | |
1179 | */ | |
1180 | ||
1181 | /* get callback for processing/extension unit */ | |
86e07d34 | 1182 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1183 | { |
86e07d34 | 1184 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1185 | int err, val; |
1186 | ||
1187 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
84957a8a | 1188 | if (err < 0 && cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1189 | ucontrol->value.integer.value[0] = cval->min; |
1190 | return 0; | |
1191 | } | |
1192 | if (err < 0) | |
1193 | return err; | |
1194 | val = get_relative_value(cval, val); | |
1195 | ucontrol->value.integer.value[0] = val; | |
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | /* put callback for processing/extension unit */ | |
86e07d34 | 1200 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1201 | { |
86e07d34 | 1202 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1203 | int val, oval, err; |
1204 | ||
1205 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
1206 | if (err < 0) { | |
84957a8a | 1207 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1208 | return 0; |
1209 | return err; | |
1210 | } | |
1211 | val = ucontrol->value.integer.value[0]; | |
1212 | val = get_abs_value(cval, val); | |
1213 | if (val != oval) { | |
1214 | set_cur_ctl_value(cval, cval->control << 8, val); | |
1215 | return 1; | |
1216 | } | |
1217 | return 0; | |
1218 | } | |
1219 | ||
1220 | /* alsa control interface for processing/extension unit */ | |
86e07d34 | 1221 | static struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
1222 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1223 | .name = "", /* will be filled later */ | |
1224 | .info = mixer_ctl_feature_info, | |
1225 | .get = mixer_ctl_procunit_get, | |
1226 | .put = mixer_ctl_procunit_put, | |
1227 | }; | |
1228 | ||
1229 | ||
1230 | /* | |
1231 | * predefined data for processing units | |
1232 | */ | |
1233 | struct procunit_value_info { | |
1234 | int control; | |
1235 | char *suffix; | |
1236 | int val_type; | |
1237 | int min_value; | |
1238 | }; | |
1239 | ||
1240 | struct procunit_info { | |
1241 | int type; | |
1242 | char *name; | |
1243 | struct procunit_value_info *values; | |
1244 | }; | |
1245 | ||
1246 | static struct procunit_value_info updown_proc_info[] = { | |
1247 | { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1248 | { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1249 | { 0 } | |
1250 | }; | |
1251 | static struct procunit_value_info prologic_proc_info[] = { | |
1252 | { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1253 | { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1254 | { 0 } | |
1255 | }; | |
1256 | static struct procunit_value_info threed_enh_proc_info[] = { | |
1257 | { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1258 | { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1259 | { 0 } | |
1260 | }; | |
1261 | static struct procunit_value_info reverb_proc_info[] = { | |
1262 | { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1263 | { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
1264 | { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
1265 | { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, | |
1266 | { 0 } | |
1267 | }; | |
1268 | static struct procunit_value_info chorus_proc_info[] = { | |
1269 | { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1270 | { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
1271 | { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
1272 | { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1273 | { 0 } | |
1274 | }; | |
1275 | static struct procunit_value_info dcr_proc_info[] = { | |
1276 | { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1277 | { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, | |
1278 | { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, | |
1279 | { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
1280 | { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, | |
1281 | { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, | |
1282 | { 0 } | |
1283 | }; | |
1284 | ||
1285 | static struct procunit_info procunits[] = { | |
1286 | { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, | |
1287 | { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
1288 | { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, | |
1289 | { USB_PROC_REVERB, "Reverb", reverb_proc_info }, | |
1290 | { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, | |
1291 | { USB_PROC_DCR, "DCR", dcr_proc_info }, | |
1292 | { 0 }, | |
1293 | }; | |
1294 | ||
1295 | /* | |
1296 | * build a processing/extension unit | |
1297 | */ | |
86e07d34 | 1298 | static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name) |
1da177e4 LT |
1299 | { |
1300 | int num_ins = dsc[6]; | |
86e07d34 TI |
1301 | struct usb_mixer_elem_info *cval; |
1302 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1303 | int i, err, nameid, type, len; |
1304 | struct procunit_info *info; | |
1305 | struct procunit_value_info *valinfo; | |
1306 | static struct procunit_value_info default_value_info[] = { | |
1307 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, | |
1308 | { 0 } | |
1309 | }; | |
1310 | static struct procunit_info default_info = { | |
1311 | 0, NULL, default_value_info | |
1312 | }; | |
1313 | ||
1314 | if (dsc[0] < 13 || dsc[0] < 13 + num_ins || dsc[0] < num_ins + dsc[11 + num_ins]) { | |
1315 | snd_printk(KERN_ERR "invalid %s descriptor (id %d)\n", name, unitid); | |
1316 | return -EINVAL; | |
1317 | } | |
1318 | ||
1319 | for (i = 0; i < num_ins; i++) { | |
1320 | if ((err = parse_audio_unit(state, dsc[7 + i])) < 0) | |
1321 | return err; | |
1322 | } | |
1323 | ||
1324 | type = combine_word(&dsc[4]); | |
1da177e4 LT |
1325 | for (info = list; info && info->type; info++) |
1326 | if (info->type == type) | |
1327 | break; | |
1328 | if (! info || ! info->type) | |
1329 | info = &default_info; | |
1330 | ||
1331 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
1332 | /* FIXME: bitmap might be longer than 8bit */ | |
1333 | if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) | |
1334 | continue; | |
1335 | if (check_ignored_ctl(state, unitid, valinfo->control)) | |
1336 | continue; | |
561b220a | 1337 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1338 | if (! cval) { |
1339 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1340 | return -ENOMEM; | |
1341 | } | |
84957a8a | 1342 | cval->mixer = state->mixer; |
1da177e4 LT |
1343 | cval->id = unitid; |
1344 | cval->control = valinfo->control; | |
1345 | cval->val_type = valinfo->val_type; | |
1346 | cval->channels = 1; | |
1347 | ||
1348 | /* get min/max values */ | |
1349 | if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { | |
1350 | /* FIXME: hard-coded */ | |
1351 | cval->min = 1; | |
1352 | cval->max = dsc[15]; | |
1353 | cval->res = 1; | |
1354 | cval->initialized = 1; | |
1355 | } else | |
1356 | get_min_max(cval, valinfo->min_value); | |
1357 | ||
1358 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); | |
1359 | if (! kctl) { | |
1360 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1361 | kfree(cval); | |
1362 | return -ENOMEM; | |
1363 | } | |
1364 | kctl->private_free = usb_mixer_elem_free; | |
1365 | ||
1366 | if (check_mapped_name(state, unitid, cval->control, kctl->id.name, sizeof(kctl->id.name))) | |
1367 | ; | |
1368 | else if (info->name) | |
1369 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); | |
1370 | else { | |
1371 | nameid = dsc[12 + num_ins + dsc[11 + num_ins]]; | |
1372 | len = 0; | |
1373 | if (nameid) | |
1374 | len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1375 | if (! len) | |
1376 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); | |
1377 | } | |
1378 | strlcat(kctl->id.name, " ", sizeof(kctl->id.name)); | |
1379 | strlcat(kctl->id.name, valinfo->suffix, sizeof(kctl->id.name)); | |
1380 | ||
1381 | snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n", | |
1382 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1383 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1384 | return err; |
1385 | } | |
1386 | return 0; | |
1387 | } | |
1388 | ||
1389 | ||
86e07d34 | 1390 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1391 | { |
1392 | return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit"); | |
1393 | } | |
1394 | ||
86e07d34 | 1395 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1396 | { |
1397 | return build_audio_procunit(state, unitid, desc, NULL, "Extension Unit"); | |
1398 | } | |
1399 | ||
1400 | ||
1401 | /* | |
1402 | * Selector Unit | |
1403 | */ | |
1404 | ||
1405 | /* info callback for selector unit | |
1406 | * use an enumerator type for routing | |
1407 | */ | |
86e07d34 | 1408 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 1409 | { |
86e07d34 | 1410 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1411 | char **itemlist = (char **)kcontrol->private_value; |
1412 | ||
5e246b85 TI |
1413 | if (snd_BUG_ON(!itemlist)) |
1414 | return -EINVAL; | |
1da177e4 LT |
1415 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
1416 | uinfo->count = 1; | |
1417 | uinfo->value.enumerated.items = cval->max; | |
1418 | if ((int)uinfo->value.enumerated.item >= cval->max) | |
1419 | uinfo->value.enumerated.item = cval->max - 1; | |
1420 | strcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item]); | |
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | /* get callback for selector unit */ | |
86e07d34 | 1425 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1426 | { |
86e07d34 | 1427 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1428 | int val, err; |
1429 | ||
1430 | err = get_cur_ctl_value(cval, 0, &val); | |
1431 | if (err < 0) { | |
84957a8a | 1432 | if (cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1433 | ucontrol->value.enumerated.item[0] = 0; |
1434 | return 0; | |
1435 | } | |
1436 | return err; | |
1437 | } | |
1438 | val = get_relative_value(cval, val); | |
1439 | ucontrol->value.enumerated.item[0] = val; | |
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | /* put callback for selector unit */ | |
86e07d34 | 1444 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1445 | { |
86e07d34 | 1446 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1447 | int val, oval, err; |
1448 | ||
1449 | err = get_cur_ctl_value(cval, 0, &oval); | |
1450 | if (err < 0) { | |
84957a8a | 1451 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1452 | return 0; |
1453 | return err; | |
1454 | } | |
1455 | val = ucontrol->value.enumerated.item[0]; | |
1456 | val = get_abs_value(cval, val); | |
1457 | if (val != oval) { | |
1458 | set_cur_ctl_value(cval, 0, val); | |
1459 | return 1; | |
1460 | } | |
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | /* alsa control interface for selector unit */ | |
86e07d34 | 1465 | static struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
1466 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1467 | .name = "", /* will be filled later */ | |
1468 | .info = mixer_ctl_selector_info, | |
1469 | .get = mixer_ctl_selector_get, | |
1470 | .put = mixer_ctl_selector_put, | |
1471 | }; | |
1472 | ||
1473 | ||
1474 | /* private free callback. | |
1475 | * free both private_data and private_value | |
1476 | */ | |
86e07d34 | 1477 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
1478 | { |
1479 | int i, num_ins = 0; | |
1480 | ||
1481 | if (kctl->private_data) { | |
86e07d34 | 1482 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 LT |
1483 | num_ins = cval->max; |
1484 | kfree(cval); | |
1485 | kctl->private_data = NULL; | |
1486 | } | |
1487 | if (kctl->private_value) { | |
1488 | char **itemlist = (char **)kctl->private_value; | |
1489 | for (i = 0; i < num_ins; i++) | |
1490 | kfree(itemlist[i]); | |
1491 | kfree(itemlist); | |
1492 | kctl->private_value = 0; | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | /* | |
1497 | * parse a selector unit | |
1498 | */ | |
86e07d34 | 1499 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1500 | { |
1501 | unsigned int num_ins = desc[4]; | |
1502 | unsigned int i, nameid, len; | |
1503 | int err; | |
86e07d34 TI |
1504 | struct usb_mixer_elem_info *cval; |
1505 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1506 | char **namelist; |
1507 | ||
38977e96 | 1508 | if (! num_ins || desc[0] < 5 + num_ins) { |
1da177e4 LT |
1509 | snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid); |
1510 | return -EINVAL; | |
1511 | } | |
1512 | ||
1513 | for (i = 0; i < num_ins; i++) { | |
1514 | if ((err = parse_audio_unit(state, desc[5 + i])) < 0) | |
1515 | return err; | |
1516 | } | |
1517 | ||
1518 | if (num_ins == 1) /* only one ? nonsense! */ | |
1519 | return 0; | |
1520 | ||
1521 | if (check_ignored_ctl(state, unitid, 0)) | |
1522 | return 0; | |
1523 | ||
561b220a | 1524 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1525 | if (! cval) { |
1526 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1527 | return -ENOMEM; | |
1528 | } | |
84957a8a | 1529 | cval->mixer = state->mixer; |
1da177e4 LT |
1530 | cval->id = unitid; |
1531 | cval->val_type = USB_MIXER_U8; | |
1532 | cval->channels = 1; | |
1533 | cval->min = 1; | |
1534 | cval->max = num_ins; | |
1535 | cval->res = 1; | |
1536 | cval->initialized = 1; | |
1537 | ||
1538 | namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL); | |
1539 | if (! namelist) { | |
1540 | snd_printk(KERN_ERR "cannot malloc\n"); | |
1541 | kfree(cval); | |
1542 | return -ENOMEM; | |
1543 | } | |
1544 | #define MAX_ITEM_NAME_LEN 64 | |
1545 | for (i = 0; i < num_ins; i++) { | |
86e07d34 | 1546 | struct usb_audio_term iterm; |
1da177e4 LT |
1547 | len = 0; |
1548 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); | |
1549 | if (! namelist[i]) { | |
1550 | snd_printk(KERN_ERR "cannot malloc\n"); | |
7fbe3ca5 | 1551 | while (i--) |
1da177e4 LT |
1552 | kfree(namelist[i]); |
1553 | kfree(namelist); | |
1554 | kfree(cval); | |
1555 | return -ENOMEM; | |
1556 | } | |
8e062ec7 CL |
1557 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
1558 | MAX_ITEM_NAME_LEN); | |
1559 | if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0) | |
1da177e4 LT |
1560 | len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); |
1561 | if (! len) | |
1562 | sprintf(namelist[i], "Input %d", i); | |
1563 | } | |
1564 | ||
1565 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
1566 | if (! kctl) { | |
1567 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
878b4789 | 1568 | kfree(namelist); |
1da177e4 LT |
1569 | kfree(cval); |
1570 | return -ENOMEM; | |
1571 | } | |
1572 | kctl->private_value = (unsigned long)namelist; | |
1573 | kctl->private_free = usb_mixer_selector_elem_free; | |
1574 | ||
1575 | nameid = desc[desc[0] - 1]; | |
1576 | len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); | |
1577 | if (len) | |
1578 | ; | |
1579 | else if (nameid) | |
1580 | snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1581 | else { | |
1582 | len = get_term_name(state, &state->oterm, | |
1583 | kctl->id.name, sizeof(kctl->id.name), 0); | |
1584 | if (! len) | |
1585 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); | |
1586 | ||
1587 | if ((state->oterm.type & 0xff00) == 0x0100) | |
1588 | strlcat(kctl->id.name, " Capture Source", sizeof(kctl->id.name)); | |
1589 | else | |
1590 | strlcat(kctl->id.name, " Playback Source", sizeof(kctl->id.name)); | |
1591 | } | |
1592 | ||
1593 | snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n", | |
1594 | cval->id, kctl->id.name, num_ins); | |
84957a8a | 1595 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1596 | return err; |
1597 | ||
1598 | return 0; | |
1599 | } | |
1600 | ||
1601 | ||
1602 | /* | |
1603 | * parse an audio unit recursively | |
1604 | */ | |
1605 | ||
86e07d34 | 1606 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
1607 | { |
1608 | unsigned char *p1; | |
1609 | ||
1610 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
1611 | return 0; /* the unit already visited */ | |
1612 | ||
1613 | p1 = find_audio_control_unit(state, unitid); | |
1614 | if (!p1) { | |
1615 | snd_printk(KERN_ERR "usbaudio: unit %d not found!\n", unitid); | |
1616 | return -EINVAL; | |
1617 | } | |
1618 | ||
1619 | switch (p1[2]) { | |
1620 | case INPUT_TERMINAL: | |
1621 | return 0; /* NOP */ | |
1622 | case MIXER_UNIT: | |
1623 | return parse_audio_mixer_unit(state, unitid, p1); | |
1624 | case SELECTOR_UNIT: | |
1625 | return parse_audio_selector_unit(state, unitid, p1); | |
1626 | case FEATURE_UNIT: | |
1627 | return parse_audio_feature_unit(state, unitid, p1); | |
1628 | case PROCESSING_UNIT: | |
1629 | return parse_audio_processing_unit(state, unitid, p1); | |
1630 | case EXTENSION_UNIT: | |
1631 | return parse_audio_extension_unit(state, unitid, p1); | |
1632 | default: | |
1633 | snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]); | |
1634 | return -EINVAL; | |
1635 | } | |
1636 | } | |
1637 | ||
84957a8a CL |
1638 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
1639 | { | |
6639b6c2 CL |
1640 | kfree(mixer->id_elems); |
1641 | if (mixer->urb) { | |
1642 | kfree(mixer->urb->transfer_buffer); | |
1643 | usb_free_urb(mixer->urb); | |
1644 | } | |
68df9de1 | 1645 | usb_free_urb(mixer->rc_urb); |
b259b10c | 1646 | kfree(mixer->rc_setup_packet); |
84957a8a CL |
1647 | kfree(mixer); |
1648 | } | |
1649 | ||
86e07d34 | 1650 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
1651 | { |
1652 | struct usb_mixer_interface *mixer = device->device_data; | |
1653 | snd_usb_mixer_free(mixer); | |
1654 | return 0; | |
1655 | } | |
1656 | ||
1da177e4 LT |
1657 | /* |
1658 | * create mixer controls | |
1659 | * | |
1660 | * walk through all OUTPUT_TERMINAL descriptors to search for mixers | |
1661 | */ | |
84957a8a | 1662 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 LT |
1663 | { |
1664 | unsigned char *desc; | |
86e07d34 | 1665 | struct mixer_build state; |
1da177e4 LT |
1666 | int err; |
1667 | const struct usbmix_ctl_map *map; | |
84957a8a | 1668 | struct usb_host_interface *hostif; |
1da177e4 | 1669 | |
84957a8a | 1670 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; |
1da177e4 | 1671 | memset(&state, 0, sizeof(state)); |
84957a8a CL |
1672 | state.chip = mixer->chip; |
1673 | state.mixer = mixer; | |
1da177e4 LT |
1674 | state.buffer = hostif->extra; |
1675 | state.buflen = hostif->extralen; | |
1da177e4 LT |
1676 | |
1677 | /* check the mapping table */ | |
27d10f56 CL |
1678 | for (map = usbmix_ctl_maps; map->id; map++) { |
1679 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 1680 | state.map = map->map; |
8e062ec7 | 1681 | state.selector_map = map->selector_map; |
84957a8a | 1682 | mixer->ignore_ctl_error = map->ignore_ctl_error; |
1da177e4 LT |
1683 | break; |
1684 | } | |
1685 | } | |
1da177e4 LT |
1686 | |
1687 | desc = NULL; | |
1688 | while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, OUTPUT_TERMINAL)) != NULL) { | |
1689 | if (desc[0] < 9) | |
1690 | continue; /* invalid descriptor? */ | |
1691 | set_bit(desc[3], state.unitbitmap); /* mark terminal ID as visited */ | |
1692 | state.oterm.id = desc[3]; | |
1693 | state.oterm.type = combine_word(&desc[4]); | |
1694 | state.oterm.name = desc[8]; | |
1695 | err = parse_audio_unit(&state, desc[7]); | |
1696 | if (err < 0) | |
1697 | return err; | |
1698 | } | |
1699 | return 0; | |
1700 | } | |
84957a8a | 1701 | |
6639b6c2 CL |
1702 | static void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, |
1703 | int unitid) | |
1704 | { | |
86e07d34 | 1705 | struct usb_mixer_elem_info *info; |
6639b6c2 CL |
1706 | |
1707 | for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem) | |
1708 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
1709 | info->elem_id); | |
1710 | } | |
1711 | ||
b259b10c CL |
1712 | static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer, |
1713 | int unitid) | |
1714 | { | |
4d1a70da | 1715 | if (!mixer->rc_cfg) |
aafad562 CL |
1716 | return; |
1717 | /* unit ids specific to Extigy/Audigy 2 NX: */ | |
1718 | switch (unitid) { | |
1719 | case 0: /* remote control */ | |
b259b10c CL |
1720 | mixer->rc_urb->dev = mixer->chip->dev; |
1721 | usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); | |
aafad562 CL |
1722 | break; |
1723 | case 4: /* digital in jack */ | |
1724 | case 7: /* line in jacks */ | |
1725 | case 19: /* speaker out jacks */ | |
1726 | case 20: /* headphones out jack */ | |
1727 | break; | |
69b1f1e8 TB |
1728 | /* live24ext: 4 = line-in jack */ |
1729 | case 3: /* hp-out jack (may actuate Mute) */ | |
3195954d AB |
1730 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
1731 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | |
69b1f1e8 TB |
1732 | snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); |
1733 | break; | |
aafad562 CL |
1734 | default: |
1735 | snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid); | |
1736 | break; | |
b259b10c CL |
1737 | } |
1738 | } | |
1739 | ||
7d12e780 | 1740 | static void snd_usb_mixer_status_complete(struct urb *urb) |
6639b6c2 CL |
1741 | { |
1742 | struct usb_mixer_interface *mixer = urb->context; | |
1743 | ||
1744 | if (urb->status == 0) { | |
1745 | u8 *buf = urb->transfer_buffer; | |
1746 | int i; | |
1747 | ||
1748 | for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) { | |
1749 | snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n", | |
1750 | buf[0], buf[1]); | |
1751 | /* ignore any notifications not from the control interface */ | |
1752 | if ((buf[0] & 0x0f) != 0) | |
1753 | continue; | |
1754 | if (!(buf[0] & 0x40)) | |
1755 | snd_usb_mixer_notify_id(mixer, buf[1]); | |
b259b10c CL |
1756 | else |
1757 | snd_usb_mixer_memory_change(mixer, buf[1]); | |
6639b6c2 CL |
1758 | } |
1759 | } | |
1760 | if (urb->status != -ENOENT && urb->status != -ECONNRESET) { | |
1761 | urb->dev = mixer->chip->dev; | |
1762 | usb_submit_urb(urb, GFP_ATOMIC); | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | /* create the handler for the optional status interrupt endpoint */ | |
1767 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
1768 | { | |
1769 | struct usb_host_interface *hostif; | |
1770 | struct usb_endpoint_descriptor *ep; | |
1771 | void *transfer_buffer; | |
1772 | int buffer_length; | |
1773 | unsigned int epnum; | |
1774 | ||
1775 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; | |
1776 | /* we need one interrupt input endpoint */ | |
1777 | if (get_iface_desc(hostif)->bNumEndpoints < 1) | |
1778 | return 0; | |
1779 | ep = get_endpoint(hostif, 0); | |
913ae5a2 | 1780 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
6639b6c2 CL |
1781 | return 0; |
1782 | ||
42a6e66f | 1783 | epnum = usb_endpoint_num(ep); |
6639b6c2 CL |
1784 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
1785 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1786 | if (!transfer_buffer) | |
1787 | return -ENOMEM; | |
1788 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
1789 | if (!mixer->urb) { | |
1790 | kfree(transfer_buffer); | |
1791 | return -ENOMEM; | |
1792 | } | |
1793 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
1794 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
1795 | transfer_buffer, buffer_length, | |
1796 | snd_usb_mixer_status_complete, mixer, ep->bInterval); | |
1797 | usb_submit_urb(mixer->urb, GFP_KERNEL); | |
1798 | return 0; | |
1799 | } | |
1800 | ||
7d12e780 | 1801 | static void snd_usb_soundblaster_remote_complete(struct urb *urb) |
b259b10c CL |
1802 | { |
1803 | struct usb_mixer_interface *mixer = urb->context; | |
4d1a70da | 1804 | const struct rc_config *rc = mixer->rc_cfg; |
b259b10c CL |
1805 | u32 code; |
1806 | ||
b9c196e1 | 1807 | if (urb->status < 0 || urb->actual_length < rc->min_packet_length) |
b259b10c | 1808 | return; |
4d1a70da RC |
1809 | |
1810 | code = mixer->rc_buffer[rc->offset]; | |
1811 | if (rc->length == 2) | |
1812 | code |= mixer->rc_buffer[rc->offset + 1] << 8; | |
1813 | ||
b259b10c | 1814 | /* the Mute button actually changes the mixer control */ |
4d1a70da RC |
1815 | if (code == rc->mute_code) |
1816 | snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); | |
b259b10c CL |
1817 | mixer->rc_code = code; |
1818 | wmb(); | |
1819 | wake_up(&mixer->rc_waitq); | |
1820 | } | |
1821 | ||
86e07d34 | 1822 | static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, |
b259b10c CL |
1823 | long count, loff_t *offset) |
1824 | { | |
1825 | struct usb_mixer_interface *mixer = hw->private_data; | |
1826 | int err; | |
1827 | u32 rc_code; | |
1828 | ||
434b7f56 | 1829 | if (count != 1 && count != 4) |
b259b10c CL |
1830 | return -EINVAL; |
1831 | err = wait_event_interruptible(mixer->rc_waitq, | |
1832 | (rc_code = xchg(&mixer->rc_code, 0)) != 0); | |
1833 | if (err == 0) { | |
434b7f56 CL |
1834 | if (count == 1) |
1835 | err = put_user(rc_code, buf); | |
1836 | else | |
1837 | err = put_user(rc_code, (u32 __user *)buf); | |
b259b10c CL |
1838 | } |
1839 | return err < 0 ? err : count; | |
1840 | } | |
1841 | ||
86e07d34 | 1842 | static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, |
b259b10c CL |
1843 | poll_table *wait) |
1844 | { | |
1845 | struct usb_mixer_interface *mixer = hw->private_data; | |
1846 | ||
1847 | poll_wait(file, &mixer->rc_waitq, wait); | |
1848 | return mixer->rc_code ? POLLIN | POLLRDNORM : 0; | |
1849 | } | |
1850 | ||
1851 | static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) | |
1852 | { | |
86e07d34 | 1853 | struct snd_hwdep *hwdep; |
4d1a70da | 1854 | int err, len, i; |
b259b10c | 1855 | |
4d1a70da RC |
1856 | for (i = 0; i < ARRAY_SIZE(rc_configs); ++i) |
1857 | if (rc_configs[i].usb_id == mixer->chip->usb_id) | |
1858 | break; | |
1859 | if (i >= ARRAY_SIZE(rc_configs)) | |
b259b10c | 1860 | return 0; |
4d1a70da | 1861 | mixer->rc_cfg = &rc_configs[i]; |
b259b10c | 1862 | |
4d1a70da RC |
1863 | len = mixer->rc_cfg->packet_length; |
1864 | ||
b259b10c CL |
1865 | init_waitqueue_head(&mixer->rc_waitq); |
1866 | err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); | |
1867 | if (err < 0) | |
1868 | return err; | |
1869 | snprintf(hwdep->name, sizeof(hwdep->name), | |
1870 | "%s remote control", mixer->chip->card->shortname); | |
1871 | hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; | |
1872 | hwdep->private_data = mixer; | |
1873 | hwdep->ops.read = snd_usb_sbrc_hwdep_read; | |
b259b10c | 1874 | hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; |
28b7e343 | 1875 | hwdep->exclusive = 1; |
b259b10c CL |
1876 | |
1877 | mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1878 | if (!mixer->rc_urb) | |
1879 | return -ENOMEM; | |
1880 | mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); | |
1881 | if (!mixer->rc_setup_packet) { | |
1882 | usb_free_urb(mixer->rc_urb); | |
1883 | mixer->rc_urb = NULL; | |
1884 | return -ENOMEM; | |
1885 | } | |
1886 | mixer->rc_setup_packet->bRequestType = | |
1887 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
1888 | mixer->rc_setup_packet->bRequest = GET_MEM; | |
1889 | mixer->rc_setup_packet->wValue = cpu_to_le16(0); | |
1890 | mixer->rc_setup_packet->wIndex = cpu_to_le16(0); | |
1891 | mixer->rc_setup_packet->wLength = cpu_to_le16(len); | |
1892 | usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, | |
1893 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
1894 | (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, | |
1895 | snd_usb_soundblaster_remote_complete, mixer); | |
1896 | return 0; | |
1897 | } | |
1898 | ||
a5ce8890 | 1899 | #define snd_audigy2nx_led_info snd_ctl_boolean_mono_info |
93446edc | 1900 | |
86e07d34 | 1901 | static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
1902 | { |
1903 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
1904 | int index = kcontrol->private_value; | |
1905 | ||
1906 | ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index]; | |
1907 | return 0; | |
1908 | } | |
1909 | ||
86e07d34 | 1910 | static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
1911 | { |
1912 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
1913 | int index = kcontrol->private_value; | |
1914 | int value = ucontrol->value.integer.value[0]; | |
1915 | int err, changed; | |
1916 | ||
1917 | if (value > 1) | |
1918 | return -EINVAL; | |
1919 | changed = value != mixer->audigy2nx_leds[index]; | |
1920 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
1921 | usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, | |
1922 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
1923 | value, index + 2, NULL, 0, 100); | |
1924 | if (err < 0) | |
1925 | return err; | |
1926 | mixer->audigy2nx_leds[index] = value; | |
1927 | return changed; | |
1928 | } | |
1929 | ||
86e07d34 | 1930 | static struct snd_kcontrol_new snd_audigy2nx_controls[] = { |
93446edc CL |
1931 | { |
1932 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1933 | .name = "CMSS LED Switch", | |
1934 | .info = snd_audigy2nx_led_info, | |
1935 | .get = snd_audigy2nx_led_get, | |
1936 | .put = snd_audigy2nx_led_put, | |
1937 | .private_value = 0, | |
1938 | }, | |
1939 | { | |
1940 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1941 | .name = "Power LED Switch", | |
1942 | .info = snd_audigy2nx_led_info, | |
1943 | .get = snd_audigy2nx_led_get, | |
1944 | .put = snd_audigy2nx_led_put, | |
1945 | .private_value = 1, | |
1946 | }, | |
1947 | { | |
1948 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1949 | .name = "Dolby Digital LED Switch", | |
1950 | .info = snd_audigy2nx_led_info, | |
1951 | .get = snd_audigy2nx_led_get, | |
1952 | .put = snd_audigy2nx_led_put, | |
1953 | .private_value = 2, | |
1954 | }, | |
1955 | }; | |
1956 | ||
1957 | static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) | |
1958 | { | |
1959 | int i, err; | |
1960 | ||
1961 | for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { | |
3195954d AB |
1962 | if (i > 1 && /* Live24ext has 2 LEDs only */ |
1963 | (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || | |
1964 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) | |
69b1f1e8 | 1965 | break; |
93446edc CL |
1966 | err = snd_ctl_add(mixer->chip->card, |
1967 | snd_ctl_new1(&snd_audigy2nx_controls[i], mixer)); | |
1968 | if (err < 0) | |
1969 | return err; | |
1970 | } | |
1971 | mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */ | |
1972 | return 0; | |
1973 | } | |
1974 | ||
86e07d34 TI |
1975 | static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, |
1976 | struct snd_info_buffer *buffer) | |
aafad562 | 1977 | { |
69b1f1e8 | 1978 | static const struct sb_jack { |
aafad562 CL |
1979 | int unitid; |
1980 | const char *name; | |
69b1f1e8 | 1981 | } jacks_audigy2nx[] = { |
aafad562 CL |
1982 | {4, "dig in "}, |
1983 | {7, "line in"}, | |
1984 | {19, "spk out"}, | |
1985 | {20, "hph out"}, | |
69b1f1e8 TB |
1986 | {-1, NULL} |
1987 | }, jacks_live24ext[] = { | |
1988 | {4, "line in"}, /* &1=Line, &2=Mic*/ | |
1989 | {3, "hph out"}, /* headphones */ | |
1990 | {0, "RC "}, /* last command, 6 bytes see rc_config above */ | |
1991 | {-1, NULL} | |
aafad562 | 1992 | }; |
69b1f1e8 | 1993 | const struct sb_jack *jacks; |
aafad562 CL |
1994 | struct usb_mixer_interface *mixer = entry->private_data; |
1995 | int i, err; | |
1996 | u8 buf[3]; | |
1997 | ||
1998 | snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); | |
69b1f1e8 TB |
1999 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) |
2000 | jacks = jacks_audigy2nx; | |
3195954d AB |
2001 | else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
2002 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | |
69b1f1e8 TB |
2003 | jacks = jacks_live24ext; |
2004 | else | |
2005 | return; | |
2006 | ||
2007 | for (i = 0; jacks[i].name; ++i) { | |
aafad562 CL |
2008 | snd_iprintf(buffer, "%s: ", jacks[i].name); |
2009 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2010 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
2011 | GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | | |
2012 | USB_RECIP_INTERFACE, 0, | |
2013 | jacks[i].unitid << 8, buf, 3, 100); | |
69b1f1e8 | 2014 | if (err == 3 && (buf[0] == 3 || buf[0] == 6)) |
aafad562 CL |
2015 | snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); |
2016 | else | |
2017 | snd_iprintf(buffer, "?\n"); | |
2018 | } | |
2019 | } | |
2020 | ||
7a9b8063 TI |
2021 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
2022 | int ignore_error) | |
84957a8a | 2023 | { |
86e07d34 | 2024 | static struct snd_device_ops dev_ops = { |
84957a8a CL |
2025 | .dev_free = snd_usb_mixer_dev_free |
2026 | }; | |
2027 | struct usb_mixer_interface *mixer; | |
2028 | int err; | |
2029 | ||
2030 | strcpy(chip->card->mixername, "USB Mixer"); | |
2031 | ||
561b220a | 2032 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
2033 | if (!mixer) |
2034 | return -ENOMEM; | |
2035 | mixer->chip = chip; | |
2036 | mixer->ctrlif = ctrlif; | |
7a9b8063 | 2037 | mixer->ignore_ctl_error = ignore_error; |
6639b6c2 CL |
2038 | mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL); |
2039 | if (!mixer->id_elems) { | |
2040 | kfree(mixer); | |
2041 | return -ENOMEM; | |
2042 | } | |
84957a8a | 2043 | |
6639b6c2 | 2044 | if ((err = snd_usb_mixer_controls(mixer)) < 0 || |
93446edc CL |
2045 | (err = snd_usb_mixer_status_create(mixer)) < 0) |
2046 | goto _error; | |
84957a8a | 2047 | |
93446edc CL |
2048 | if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) |
2049 | goto _error; | |
2050 | ||
69b1f1e8 | 2051 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) || |
3195954d AB |
2052 | mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
2053 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) { | |
86e07d34 | 2054 | struct snd_info_entry *entry; |
aafad562 | 2055 | |
93446edc CL |
2056 | if ((err = snd_audigy2nx_controls_create(mixer)) < 0) |
2057 | goto _error; | |
aafad562 | 2058 | if (!snd_card_proc_new(chip->card, "audigy2nx", &entry)) |
bf850204 | 2059 | snd_info_set_text_ops(entry, mixer, |
aafad562 | 2060 | snd_audigy2nx_proc_read); |
b259b10c CL |
2061 | } |
2062 | ||
84957a8a | 2063 | err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); |
93446edc CL |
2064 | if (err < 0) |
2065 | goto _error; | |
84957a8a CL |
2066 | list_add(&mixer->list, &chip->mixer_list); |
2067 | return 0; | |
93446edc CL |
2068 | |
2069 | _error: | |
2070 | snd_usb_mixer_free(mixer); | |
2071 | return err; | |
84957a8a CL |
2072 | } |
2073 | ||
2074 | void snd_usb_mixer_disconnect(struct list_head *p) | |
2075 | { | |
6639b6c2 CL |
2076 | struct usb_mixer_interface *mixer; |
2077 | ||
2078 | mixer = list_entry(p, struct usb_mixer_interface, list); | |
68df9de1 MK |
2079 | usb_kill_urb(mixer->urb); |
2080 | usb_kill_urb(mixer->rc_urb); | |
84957a8a | 2081 | } |