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