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 | ||
84957a8a | 49 | struct usb_mixer_interface { |
86e07d34 | 50 | struct snd_usb_audio *chip; |
84957a8a CL |
51 | unsigned int ctrlif; |
52 | struct list_head list; | |
53 | unsigned int ignore_ctl_error; | |
6639b6c2 | 54 | struct urb *urb; |
86e07d34 | 55 | struct usb_mixer_elem_info **id_elems; /* array[256], indexed by unit id */ |
b259b10c CL |
56 | |
57 | /* Sound Blaster remote control stuff */ | |
58 | enum { | |
59 | RC_NONE, | |
60 | RC_EXTIGY, | |
61 | RC_AUDIGY2NX, | |
62 | } rc_type; | |
63 | unsigned long rc_hwdep_open; | |
64 | u32 rc_code; | |
65 | wait_queue_head_t rc_waitq; | |
66 | struct urb *rc_urb; | |
67 | struct usb_ctrlrequest *rc_setup_packet; | |
68 | u8 rc_buffer[6]; | |
93446edc CL |
69 | |
70 | u8 audigy2nx_leds[3]; | |
84957a8a CL |
71 | }; |
72 | ||
73 | ||
1da177e4 LT |
74 | struct usb_audio_term { |
75 | int id; | |
76 | int type; | |
77 | int channels; | |
78 | unsigned int chconfig; | |
79 | int name; | |
80 | }; | |
81 | ||
82 | struct usbmix_name_map; | |
83 | ||
86e07d34 TI |
84 | struct mixer_build { |
85 | struct snd_usb_audio *chip; | |
84957a8a | 86 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
87 | unsigned char *buffer; |
88 | unsigned int buflen; | |
707e6073 | 89 | DECLARE_BITMAP(unitbitmap, 256); |
86e07d34 | 90 | struct usb_audio_term oterm; |
1da177e4 | 91 | const struct usbmix_name_map *map; |
8e062ec7 | 92 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
93 | }; |
94 | ||
95 | struct usb_mixer_elem_info { | |
84957a8a | 96 | struct usb_mixer_interface *mixer; |
86e07d34 TI |
97 | struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ |
98 | struct snd_ctl_elem_id *elem_id; | |
1da177e4 LT |
99 | unsigned int id; |
100 | unsigned int control; /* CS or ICN (high byte) */ | |
101 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
102 | int channels; | |
103 | int val_type; | |
104 | int min, max, res; | |
6639b6c2 | 105 | u8 initialized; |
1da177e4 LT |
106 | }; |
107 | ||
108 | ||
109 | enum { | |
110 | USB_FEATURE_NONE = 0, | |
111 | USB_FEATURE_MUTE = 1, | |
112 | USB_FEATURE_VOLUME, | |
113 | USB_FEATURE_BASS, | |
114 | USB_FEATURE_MID, | |
115 | USB_FEATURE_TREBLE, | |
116 | USB_FEATURE_GEQ, | |
117 | USB_FEATURE_AGC, | |
118 | USB_FEATURE_DELAY, | |
119 | USB_FEATURE_BASSBOOST, | |
120 | USB_FEATURE_LOUDNESS | |
121 | }; | |
122 | ||
123 | enum { | |
124 | USB_MIXER_BOOLEAN, | |
125 | USB_MIXER_INV_BOOLEAN, | |
126 | USB_MIXER_S8, | |
127 | USB_MIXER_U8, | |
128 | USB_MIXER_S16, | |
129 | USB_MIXER_U16, | |
130 | }; | |
131 | ||
132 | enum { | |
133 | USB_PROC_UPDOWN = 1, | |
134 | USB_PROC_UPDOWN_SWITCH = 1, | |
135 | USB_PROC_UPDOWN_MODE_SEL = 2, | |
136 | ||
137 | USB_PROC_PROLOGIC = 2, | |
138 | USB_PROC_PROLOGIC_SWITCH = 1, | |
139 | USB_PROC_PROLOGIC_MODE_SEL = 2, | |
140 | ||
141 | USB_PROC_3DENH = 3, | |
142 | USB_PROC_3DENH_SWITCH = 1, | |
143 | USB_PROC_3DENH_SPACE = 2, | |
144 | ||
145 | USB_PROC_REVERB = 4, | |
146 | USB_PROC_REVERB_SWITCH = 1, | |
147 | USB_PROC_REVERB_LEVEL = 2, | |
148 | USB_PROC_REVERB_TIME = 3, | |
149 | USB_PROC_REVERB_DELAY = 4, | |
150 | ||
151 | USB_PROC_CHORUS = 5, | |
152 | USB_PROC_CHORUS_SWITCH = 1, | |
153 | USB_PROC_CHORUS_LEVEL = 2, | |
154 | USB_PROC_CHORUS_RATE = 3, | |
155 | USB_PROC_CHORUS_DEPTH = 4, | |
156 | ||
157 | USB_PROC_DCR = 6, | |
158 | USB_PROC_DCR_SWITCH = 1, | |
159 | USB_PROC_DCR_RATIO = 2, | |
160 | USB_PROC_DCR_MAX_AMP = 3, | |
161 | USB_PROC_DCR_THRESHOLD = 4, | |
162 | USB_PROC_DCR_ATTACK = 5, | |
163 | USB_PROC_DCR_RELEASE = 6, | |
164 | }; | |
165 | ||
166 | #define MAX_CHANNELS 10 /* max logical channels */ | |
167 | ||
168 | ||
169 | /* | |
170 | * manual mapping of mixer names | |
171 | * if the mixer topology is too complicated and the parsed names are | |
172 | * ambiguous, add the entries in usbmixer_maps.c. | |
173 | */ | |
174 | #include "usbmixer_maps.c" | |
175 | ||
176 | /* get the mapped name if the unit matches */ | |
86e07d34 | 177 | static int check_mapped_name(struct mixer_build *state, int unitid, int control, char *buf, int buflen) |
1da177e4 LT |
178 | { |
179 | const struct usbmix_name_map *p; | |
180 | ||
181 | if (! state->map) | |
182 | return 0; | |
183 | ||
184 | for (p = state->map; p->id; p++) { | |
185 | if (p->id == unitid && p->name && | |
186 | (! control || ! p->control || control == p->control)) { | |
187 | buflen--; | |
188 | return strlcpy(buf, p->name, buflen); | |
189 | } | |
190 | } | |
191 | return 0; | |
192 | } | |
193 | ||
194 | /* check whether the control should be ignored */ | |
86e07d34 | 195 | static int check_ignored_ctl(struct mixer_build *state, int unitid, int control) |
1da177e4 LT |
196 | { |
197 | const struct usbmix_name_map *p; | |
198 | ||
199 | if (! state->map) | |
200 | return 0; | |
201 | for (p = state->map; p->id; p++) { | |
202 | if (p->id == unitid && ! p->name && | |
203 | (! control || ! p->control || control == p->control)) { | |
204 | // printk("ignored control %d:%d\n", unitid, control); | |
205 | return 1; | |
206 | } | |
207 | } | |
208 | return 0; | |
209 | } | |
210 | ||
8e062ec7 | 211 | /* get the mapped selector source name */ |
86e07d34 | 212 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
213 | int index, char *buf, int buflen) |
214 | { | |
215 | const struct usbmix_selector_map *p; | |
216 | ||
217 | if (! state->selector_map) | |
218 | return 0; | |
219 | for (p = state->selector_map; p->id; p++) { | |
220 | if (p->id == unitid && index < p->count) | |
221 | return strlcpy(buf, p->names[index], buflen); | |
222 | } | |
223 | return 0; | |
224 | } | |
225 | ||
1da177e4 LT |
226 | /* |
227 | * find an audio control unit with the given unit id | |
228 | */ | |
86e07d34 | 229 | static void *find_audio_control_unit(struct mixer_build *state, unsigned char unit) |
1da177e4 LT |
230 | { |
231 | unsigned char *p; | |
232 | ||
233 | p = NULL; | |
234 | while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, | |
235 | USB_DT_CS_INTERFACE)) != NULL) { | |
236 | if (p[0] >= 4 && p[2] >= INPUT_TERMINAL && p[2] <= EXTENSION_UNIT && p[3] == unit) | |
237 | return p; | |
238 | } | |
239 | return NULL; | |
240 | } | |
241 | ||
242 | ||
243 | /* | |
244 | * copy a string with the given id | |
245 | */ | |
86e07d34 | 246 | static int snd_usb_copy_string_desc(struct mixer_build *state, int index, char *buf, int maxlen) |
1da177e4 LT |
247 | { |
248 | int len = usb_string(state->chip->dev, index, buf, maxlen - 1); | |
249 | buf[len] = 0; | |
250 | return len; | |
251 | } | |
252 | ||
253 | /* | |
254 | * convert from the byte/word on usb descriptor to the zero-based integer | |
255 | */ | |
86e07d34 | 256 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
257 | { |
258 | switch (cval->val_type) { | |
259 | case USB_MIXER_BOOLEAN: | |
260 | return !!val; | |
261 | case USB_MIXER_INV_BOOLEAN: | |
262 | return !val; | |
263 | case USB_MIXER_U8: | |
264 | val &= 0xff; | |
265 | break; | |
266 | case USB_MIXER_S8: | |
267 | val &= 0xff; | |
268 | if (val >= 0x80) | |
269 | val -= 0x100; | |
270 | break; | |
271 | case USB_MIXER_U16: | |
272 | val &= 0xffff; | |
273 | break; | |
274 | case USB_MIXER_S16: | |
275 | val &= 0xffff; | |
276 | if (val >= 0x8000) | |
277 | val -= 0x10000; | |
278 | break; | |
279 | } | |
280 | return val; | |
281 | } | |
282 | ||
283 | /* | |
284 | * convert from the zero-based int to the byte/word for usb descriptor | |
285 | */ | |
86e07d34 | 286 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
287 | { |
288 | switch (cval->val_type) { | |
289 | case USB_MIXER_BOOLEAN: | |
290 | return !!val; | |
291 | case USB_MIXER_INV_BOOLEAN: | |
292 | return !val; | |
293 | case USB_MIXER_S8: | |
294 | case USB_MIXER_U8: | |
295 | return val & 0xff; | |
296 | case USB_MIXER_S16: | |
297 | case USB_MIXER_U16: | |
298 | return val & 0xffff; | |
299 | } | |
300 | return 0; /* not reached */ | |
301 | } | |
302 | ||
86e07d34 | 303 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
304 | { |
305 | if (! cval->res) | |
306 | cval->res = 1; | |
307 | if (val < cval->min) | |
308 | return 0; | |
309 | else if (val > cval->max) | |
310 | return (cval->max - cval->min) / cval->res; | |
311 | else | |
312 | return (val - cval->min) / cval->res; | |
313 | } | |
314 | ||
86e07d34 | 315 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
316 | { |
317 | if (val < 0) | |
318 | return cval->min; | |
319 | if (! cval->res) | |
320 | cval->res = 1; | |
321 | val *= cval->res; | |
322 | val += cval->min; | |
323 | if (val > cval->max) | |
324 | return cval->max; | |
325 | return val; | |
326 | } | |
327 | ||
328 | ||
329 | /* | |
330 | * retrieve a mixer value | |
331 | */ | |
332 | ||
86e07d34 | 333 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) |
1da177e4 LT |
334 | { |
335 | unsigned char buf[2]; | |
336 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
337 | int timeout = 10; | |
338 | ||
339 | while (timeout-- > 0) { | |
84957a8a CL |
340 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
341 | usb_rcvctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
342 | request, |
343 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
84957a8a | 344 | validx, cval->mixer->ctrlif | (cval->id << 8), |
1da177e4 LT |
345 | buf, val_len, 100) >= 0) { |
346 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); | |
347 | return 0; | |
348 | } | |
349 | } | |
84957a8a CL |
350 | snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
351 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); | |
1da177e4 LT |
352 | return -EINVAL; |
353 | } | |
354 | ||
86e07d34 | 355 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *value) |
1da177e4 LT |
356 | { |
357 | return get_ctl_value(cval, GET_CUR, validx, value); | |
358 | } | |
359 | ||
360 | /* channel = 0: master, 1 = first channel */ | |
86e07d34 | 361 | static inline int get_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int *value) |
1da177e4 LT |
362 | { |
363 | return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value); | |
364 | } | |
365 | ||
366 | /* | |
367 | * set a mixer value | |
368 | */ | |
369 | ||
86e07d34 | 370 | static int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set) |
1da177e4 LT |
371 | { |
372 | unsigned char buf[2]; | |
373 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
374 | int timeout = 10; | |
375 | ||
376 | value_set = convert_bytes_value(cval, value_set); | |
377 | buf[0] = value_set & 0xff; | |
378 | buf[1] = (value_set >> 8) & 0xff; | |
379 | while (timeout -- > 0) | |
84957a8a CL |
380 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
381 | usb_sndctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
382 | request, |
383 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
84957a8a | 384 | validx, cval->mixer->ctrlif | (cval->id << 8), |
1da177e4 LT |
385 | buf, val_len, 100) >= 0) |
386 | return 0; | |
84957a8a CL |
387 | snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
388 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]); | |
1da177e4 LT |
389 | return -EINVAL; |
390 | } | |
391 | ||
86e07d34 | 392 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) |
1da177e4 LT |
393 | { |
394 | return set_ctl_value(cval, SET_CUR, validx, value); | |
395 | } | |
396 | ||
86e07d34 | 397 | static inline int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int value) |
1da177e4 LT |
398 | { |
399 | return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value); | |
400 | } | |
401 | ||
402 | ||
403 | /* | |
404 | * parser routines begin here... | |
405 | */ | |
406 | ||
86e07d34 | 407 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
408 | |
409 | ||
410 | /* | |
411 | * check if the input/output channel routing is enabled on the given bitmap. | |
412 | * used for mixer unit parser | |
413 | */ | |
414 | static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs) | |
415 | { | |
416 | int idx = ich * num_outs + och; | |
417 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
418 | } | |
419 | ||
420 | ||
421 | /* | |
422 | * add an alsa control element | |
423 | * search and increment the index until an empty slot is found. | |
424 | * | |
425 | * if failed, give up and free the control instance. | |
426 | */ | |
427 | ||
86e07d34 | 428 | static int add_control_to_empty(struct mixer_build *state, struct snd_kcontrol *kctl) |
1da177e4 | 429 | { |
86e07d34 | 430 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 | 431 | int err; |
84957a8a CL |
432 | |
433 | while (snd_ctl_find_id(state->chip->card, &kctl->id)) | |
1da177e4 | 434 | kctl->id.index++; |
84957a8a | 435 | if ((err = snd_ctl_add(state->chip->card, kctl)) < 0) { |
1da177e4 | 436 | snd_printd(KERN_ERR "cannot add control (err = %d)\n", err); |
6639b6c2 | 437 | return err; |
1da177e4 | 438 | } |
6639b6c2 CL |
439 | cval->elem_id = &kctl->id; |
440 | cval->next_id_elem = state->mixer->id_elems[cval->id]; | |
441 | state->mixer->id_elems[cval->id] = cval; | |
442 | return 0; | |
1da177e4 LT |
443 | } |
444 | ||
445 | ||
446 | /* | |
447 | * get a terminal name string | |
448 | */ | |
449 | ||
450 | static struct iterm_name_combo { | |
451 | int type; | |
452 | char *name; | |
453 | } iterm_names[] = { | |
454 | { 0x0300, "Output" }, | |
455 | { 0x0301, "Speaker" }, | |
456 | { 0x0302, "Headphone" }, | |
457 | { 0x0303, "HMD Audio" }, | |
458 | { 0x0304, "Desktop Speaker" }, | |
459 | { 0x0305, "Room Speaker" }, | |
460 | { 0x0306, "Com Speaker" }, | |
461 | { 0x0307, "LFE" }, | |
462 | { 0x0600, "External In" }, | |
463 | { 0x0601, "Analog In" }, | |
464 | { 0x0602, "Digital In" }, | |
465 | { 0x0603, "Line" }, | |
466 | { 0x0604, "Legacy In" }, | |
467 | { 0x0605, "IEC958 In" }, | |
468 | { 0x0606, "1394 DA Stream" }, | |
469 | { 0x0607, "1394 DV Stream" }, | |
470 | { 0x0700, "Embedded" }, | |
471 | { 0x0701, "Noise Source" }, | |
472 | { 0x0702, "Equalization Noise" }, | |
473 | { 0x0703, "CD" }, | |
474 | { 0x0704, "DAT" }, | |
475 | { 0x0705, "DCC" }, | |
476 | { 0x0706, "MiniDisk" }, | |
477 | { 0x0707, "Analog Tape" }, | |
478 | { 0x0708, "Phonograph" }, | |
479 | { 0x0709, "VCR Audio" }, | |
480 | { 0x070a, "Video Disk Audio" }, | |
481 | { 0x070b, "DVD Audio" }, | |
482 | { 0x070c, "TV Tuner Audio" }, | |
483 | { 0x070d, "Satellite Rec Audio" }, | |
484 | { 0x070e, "Cable Tuner Audio" }, | |
485 | { 0x070f, "DSS Audio" }, | |
486 | { 0x0710, "Radio Receiver" }, | |
487 | { 0x0711, "Radio Transmitter" }, | |
488 | { 0x0712, "Multi-Track Recorder" }, | |
489 | { 0x0713, "Synthesizer" }, | |
490 | { 0 }, | |
491 | }; | |
492 | ||
86e07d34 | 493 | static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm, |
1da177e4 LT |
494 | unsigned char *name, int maxlen, int term_only) |
495 | { | |
496 | struct iterm_name_combo *names; | |
497 | ||
498 | if (iterm->name) | |
499 | return snd_usb_copy_string_desc(state, iterm->name, name, maxlen); | |
500 | ||
501 | /* virtual type - not a real terminal */ | |
502 | if (iterm->type >> 16) { | |
503 | if (term_only) | |
504 | return 0; | |
505 | switch (iterm->type >> 16) { | |
506 | case SELECTOR_UNIT: | |
507 | strcpy(name, "Selector"); return 8; | |
508 | case PROCESSING_UNIT: | |
509 | strcpy(name, "Process Unit"); return 12; | |
510 | case EXTENSION_UNIT: | |
511 | strcpy(name, "Ext Unit"); return 8; | |
512 | case MIXER_UNIT: | |
513 | strcpy(name, "Mixer"); return 5; | |
514 | default: | |
515 | return sprintf(name, "Unit %d", iterm->id); | |
516 | } | |
517 | } | |
518 | ||
519 | switch (iterm->type & 0xff00) { | |
520 | case 0x0100: | |
521 | strcpy(name, "PCM"); return 3; | |
522 | case 0x0200: | |
523 | strcpy(name, "Mic"); return 3; | |
524 | case 0x0400: | |
525 | strcpy(name, "Headset"); return 7; | |
526 | case 0x0500: | |
527 | strcpy(name, "Phone"); return 5; | |
528 | } | |
529 | ||
530 | for (names = iterm_names; names->type; names++) | |
531 | if (names->type == iterm->type) { | |
532 | strcpy(name, names->name); | |
533 | return strlen(names->name); | |
534 | } | |
535 | return 0; | |
536 | } | |
537 | ||
538 | ||
539 | /* | |
540 | * parse the source unit recursively until it reaches to a terminal | |
541 | * or a branched unit. | |
542 | */ | |
86e07d34 | 543 | static int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term) |
1da177e4 LT |
544 | { |
545 | unsigned char *p1; | |
546 | ||
547 | memset(term, 0, sizeof(*term)); | |
548 | while ((p1 = find_audio_control_unit(state, id)) != NULL) { | |
549 | term->id = id; | |
550 | switch (p1[2]) { | |
551 | case INPUT_TERMINAL: | |
552 | term->type = combine_word(p1 + 4); | |
553 | term->channels = p1[7]; | |
554 | term->chconfig = combine_word(p1 + 8); | |
555 | term->name = p1[11]; | |
556 | return 0; | |
557 | case FEATURE_UNIT: | |
558 | id = p1[4]; | |
559 | break; /* continue to parse */ | |
560 | case MIXER_UNIT: | |
561 | term->type = p1[2] << 16; /* virtual type */ | |
562 | term->channels = p1[5 + p1[4]]; | |
563 | term->chconfig = combine_word(p1 + 6 + p1[4]); | |
564 | term->name = p1[p1[0] - 1]; | |
565 | return 0; | |
566 | case SELECTOR_UNIT: | |
567 | /* call recursively to retrieve the channel info */ | |
568 | if (check_input_term(state, p1[5], term) < 0) | |
569 | return -ENODEV; | |
570 | term->type = p1[2] << 16; /* virtual type */ | |
571 | term->id = id; | |
572 | term->name = p1[9 + p1[0] - 1]; | |
573 | return 0; | |
574 | case PROCESSING_UNIT: | |
575 | case EXTENSION_UNIT: | |
576 | if (p1[6] == 1) { | |
577 | id = p1[7]; | |
578 | break; /* continue to parse */ | |
579 | } | |
580 | term->type = p1[2] << 16; /* virtual type */ | |
581 | term->channels = p1[7 + p1[6]]; | |
582 | term->chconfig = combine_word(p1 + 8 + p1[6]); | |
583 | term->name = p1[12 + p1[6] + p1[11 + p1[6]]]; | |
584 | return 0; | |
585 | default: | |
586 | return -ENODEV; | |
587 | } | |
588 | } | |
589 | return -ENODEV; | |
590 | } | |
591 | ||
592 | ||
593 | /* | |
594 | * Feature Unit | |
595 | */ | |
596 | ||
597 | /* feature unit control information */ | |
598 | struct usb_feature_control_info { | |
599 | const char *name; | |
600 | unsigned int type; /* control type (mute, volume, etc.) */ | |
601 | }; | |
602 | ||
603 | static struct usb_feature_control_info audio_feature_info[] = { | |
604 | { "Mute", USB_MIXER_INV_BOOLEAN }, | |
605 | { "Volume", USB_MIXER_S16 }, | |
606 | { "Tone Control - Bass", USB_MIXER_S8 }, | |
607 | { "Tone Control - Mid", USB_MIXER_S8 }, | |
608 | { "Tone Control - Treble", USB_MIXER_S8 }, | |
609 | { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ | |
610 | { "Auto Gain Control", USB_MIXER_BOOLEAN }, | |
611 | { "Delay Control", USB_MIXER_U16 }, | |
612 | { "Bass Boost", USB_MIXER_BOOLEAN }, | |
613 | { "Loudness", USB_MIXER_BOOLEAN }, | |
614 | }; | |
615 | ||
616 | ||
617 | /* private_free callback */ | |
86e07d34 | 618 | static void usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 619 | { |
4d572776 JJ |
620 | kfree(kctl->private_data); |
621 | kctl->private_data = NULL; | |
1da177e4 LT |
622 | } |
623 | ||
624 | ||
625 | /* | |
626 | * interface to ALSA control for feature/mixer units | |
627 | */ | |
628 | ||
629 | /* | |
630 | * retrieve the minimum and maximum values for the specified control | |
631 | */ | |
86e07d34 | 632 | static int get_min_max(struct usb_mixer_elem_info *cval, int default_min) |
1da177e4 LT |
633 | { |
634 | /* for failsafe */ | |
635 | cval->min = default_min; | |
636 | cval->max = cval->min + 1; | |
637 | cval->res = 1; | |
638 | ||
639 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
640 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
641 | cval->initialized = 1; | |
642 | } else { | |
643 | int minchn = 0; | |
644 | if (cval->cmask) { | |
645 | int i; | |
646 | for (i = 0; i < MAX_CHANNELS; i++) | |
647 | if (cval->cmask & (1 << i)) { | |
648 | minchn = i + 1; | |
649 | break; | |
650 | } | |
651 | } | |
652 | if (get_ctl_value(cval, GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || | |
653 | get_ctl_value(cval, GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
84957a8a CL |
654 | snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", |
655 | cval->id, cval->mixer->ctrlif, cval->control, cval->id); | |
1da177e4 LT |
656 | return -EINVAL; |
657 | } | |
658 | if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { | |
659 | cval->res = 1; | |
660 | } else { | |
661 | int last_valid_res = cval->res; | |
662 | ||
663 | while (cval->res > 1) { | |
664 | if (set_ctl_value(cval, SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0) | |
665 | break; | |
666 | cval->res /= 2; | |
667 | } | |
668 | if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) | |
669 | cval->res = last_valid_res; | |
670 | } | |
671 | if (cval->res == 0) | |
672 | cval->res = 1; | |
673 | cval->initialized = 1; | |
674 | } | |
675 | return 0; | |
676 | } | |
677 | ||
678 | ||
679 | /* get a feature/mixer unit info */ | |
86e07d34 | 680 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 681 | { |
86e07d34 | 682 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
683 | |
684 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
685 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
686 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
687 | else | |
688 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
689 | uinfo->count = cval->channels; | |
690 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
691 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
692 | uinfo->value.integer.min = 0; | |
693 | uinfo->value.integer.max = 1; | |
694 | } else { | |
695 | if (! cval->initialized) | |
696 | get_min_max(cval, 0); | |
697 | uinfo->value.integer.min = 0; | |
698 | uinfo->value.integer.max = (cval->max - cval->min) / cval->res; | |
699 | } | |
700 | return 0; | |
701 | } | |
702 | ||
703 | /* get the current value from feature/mixer unit */ | |
86e07d34 | 704 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 705 | { |
86e07d34 | 706 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
707 | int c, cnt, val, err; |
708 | ||
709 | if (cval->cmask) { | |
710 | cnt = 0; | |
711 | for (c = 0; c < MAX_CHANNELS; c++) { | |
712 | if (cval->cmask & (1 << c)) { | |
713 | err = get_cur_mix_value(cval, c + 1, &val); | |
714 | if (err < 0) { | |
84957a8a | 715 | if (cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
716 | ucontrol->value.integer.value[0] = cval->min; |
717 | return 0; | |
718 | } | |
719 | snd_printd(KERN_ERR "cannot get current value for control %d ch %d: err = %d\n", cval->control, c + 1, err); | |
720 | return err; | |
721 | } | |
722 | val = get_relative_value(cval, val); | |
723 | ucontrol->value.integer.value[cnt] = val; | |
724 | cnt++; | |
725 | } | |
726 | } | |
727 | } else { | |
728 | /* master channel */ | |
729 | err = get_cur_mix_value(cval, 0, &val); | |
730 | if (err < 0) { | |
84957a8a | 731 | if (cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
732 | ucontrol->value.integer.value[0] = cval->min; |
733 | return 0; | |
734 | } | |
735 | snd_printd(KERN_ERR "cannot get current value for control %d master ch: err = %d\n", cval->control, err); | |
736 | return err; | |
737 | } | |
738 | val = get_relative_value(cval, val); | |
739 | ucontrol->value.integer.value[0] = val; | |
740 | } | |
741 | return 0; | |
742 | } | |
743 | ||
744 | /* put the current value to feature/mixer unit */ | |
86e07d34 | 745 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 746 | { |
86e07d34 | 747 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
748 | int c, cnt, val, oval, err; |
749 | int changed = 0; | |
750 | ||
751 | if (cval->cmask) { | |
752 | cnt = 0; | |
753 | for (c = 0; c < MAX_CHANNELS; c++) { | |
754 | if (cval->cmask & (1 << c)) { | |
755 | err = get_cur_mix_value(cval, c + 1, &oval); | |
756 | if (err < 0) { | |
84957a8a | 757 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
758 | return 0; |
759 | return err; | |
760 | } | |
761 | val = ucontrol->value.integer.value[cnt]; | |
762 | val = get_abs_value(cval, val); | |
763 | if (oval != val) { | |
764 | set_cur_mix_value(cval, c + 1, val); | |
765 | changed = 1; | |
766 | } | |
767 | get_cur_mix_value(cval, c + 1, &val); | |
768 | cnt++; | |
769 | } | |
770 | } | |
771 | } else { | |
772 | /* master channel */ | |
773 | err = get_cur_mix_value(cval, 0, &oval); | |
84957a8a | 774 | if (err < 0 && cval->mixer->ignore_ctl_error) |
1da177e4 LT |
775 | return 0; |
776 | if (err < 0) | |
777 | return err; | |
778 | val = ucontrol->value.integer.value[0]; | |
779 | val = get_abs_value(cval, val); | |
780 | if (val != oval) { | |
781 | set_cur_mix_value(cval, 0, val); | |
782 | changed = 1; | |
783 | } | |
784 | } | |
785 | return changed; | |
786 | } | |
787 | ||
86e07d34 | 788 | static struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
789 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
790 | .name = "", /* will be filled later manually */ | |
791 | .info = mixer_ctl_feature_info, | |
792 | .get = mixer_ctl_feature_get, | |
793 | .put = mixer_ctl_feature_put, | |
794 | }; | |
795 | ||
796 | ||
797 | /* | |
798 | * build a feature control | |
799 | */ | |
800 | ||
86e07d34 | 801 | static void build_feature_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 802 | unsigned int ctl_mask, int control, |
86e07d34 | 803 | struct usb_audio_term *iterm, int unitid) |
1da177e4 LT |
804 | { |
805 | unsigned int len = 0; | |
806 | int mapped_name = 0; | |
807 | int nameid = desc[desc[0] - 1]; | |
86e07d34 TI |
808 | struct snd_kcontrol *kctl; |
809 | struct usb_mixer_elem_info *cval; | |
1da177e4 LT |
810 | |
811 | control++; /* change from zero-based to 1-based value */ | |
812 | ||
813 | if (control == USB_FEATURE_GEQ) { | |
814 | /* FIXME: not supported yet */ | |
815 | return; | |
816 | } | |
817 | ||
818 | if (check_ignored_ctl(state, unitid, control)) | |
819 | return; | |
820 | ||
561b220a | 821 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
822 | if (! cval) { |
823 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
824 | return; | |
825 | } | |
84957a8a | 826 | cval->mixer = state->mixer; |
1da177e4 LT |
827 | cval->id = unitid; |
828 | cval->control = control; | |
829 | cval->cmask = ctl_mask; | |
830 | cval->val_type = audio_feature_info[control-1].type; | |
831 | if (ctl_mask == 0) | |
832 | cval->channels = 1; /* master channel */ | |
833 | else { | |
834 | int i, c = 0; | |
835 | for (i = 0; i < 16; i++) | |
836 | if (ctl_mask & (1 << i)) | |
837 | c++; | |
838 | cval->channels = c; | |
839 | } | |
840 | ||
841 | /* get min/max values */ | |
842 | get_min_max(cval, 0); | |
843 | ||
844 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
845 | if (! kctl) { | |
846 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
847 | kfree(cval); | |
848 | return; | |
849 | } | |
850 | kctl->private_free = usb_mixer_elem_free; | |
851 | ||
852 | len = check_mapped_name(state, unitid, control, kctl->id.name, sizeof(kctl->id.name)); | |
853 | mapped_name = len != 0; | |
854 | if (! len && nameid) | |
855 | len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
856 | ||
857 | switch (control) { | |
858 | case USB_FEATURE_MUTE: | |
859 | case USB_FEATURE_VOLUME: | |
860 | /* determine the control name. the rule is: | |
861 | * - if a name id is given in descriptor, use it. | |
862 | * - if the connected input can be determined, then use the name | |
863 | * of terminal type. | |
864 | * - if the connected output can be determined, use it. | |
865 | * - otherwise, anonymous name. | |
866 | */ | |
867 | if (! len) { | |
868 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
869 | if (! len) | |
870 | len = get_term_name(state, &state->oterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
871 | if (! len) | |
872 | len = snprintf(kctl->id.name, sizeof(kctl->id.name), | |
873 | "Feature %d", unitid); | |
874 | } | |
875 | /* determine the stream direction: | |
876 | * if the connected output is USB stream, then it's likely a | |
877 | * capture stream. otherwise it should be playback (hopefully :) | |
878 | */ | |
879 | if (! mapped_name && ! (state->oterm.type >> 16)) { | |
880 | if ((state->oterm.type & 0xff00) == 0x0100) { | |
881 | len = strlcat(kctl->id.name, " Capture", sizeof(kctl->id.name)); | |
882 | } else { | |
883 | len = strlcat(kctl->id.name + len, " Playback", sizeof(kctl->id.name)); | |
884 | } | |
885 | } | |
886 | strlcat(kctl->id.name + len, control == USB_FEATURE_MUTE ? " Switch" : " Volume", | |
887 | sizeof(kctl->id.name)); | |
888 | break; | |
889 | ||
890 | default: | |
891 | if (! len) | |
892 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, | |
893 | sizeof(kctl->id.name)); | |
894 | break; | |
895 | } | |
896 | ||
897 | /* quirk for UDA1321/N101 */ | |
898 | /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */ | |
899 | /* is not very clear from datasheets */ | |
900 | /* I hope that the min value is -15360 for newer firmware --jk */ | |
27d10f56 CL |
901 | switch (state->chip->usb_id) { |
902 | case USB_ID(0x0471, 0x0101): | |
903 | case USB_ID(0x0471, 0x0104): | |
904 | case USB_ID(0x0471, 0x0105): | |
905 | case USB_ID(0x0672, 0x1041): | |
906 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && | |
907 | cval->min == -15616) { | |
d3d579f8 | 908 | snd_printk(KERN_INFO "using volume control quirk for the UDA1321/N101 chip\n"); |
27d10f56 CL |
909 | cval->max = -256; |
910 | } | |
1da177e4 LT |
911 | } |
912 | ||
913 | snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", | |
914 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res); | |
84957a8a | 915 | add_control_to_empty(state, kctl); |
1da177e4 LT |
916 | } |
917 | ||
918 | ||
919 | ||
920 | /* | |
921 | * parse a feature unit | |
922 | * | |
923 | * most of controlls are defined here. | |
924 | */ | |
86e07d34 | 925 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, unsigned char *ftr) |
1da177e4 LT |
926 | { |
927 | int channels, i, j; | |
86e07d34 | 928 | struct usb_audio_term iterm; |
1da177e4 LT |
929 | unsigned int master_bits, first_ch_bits; |
930 | int err, csize; | |
931 | ||
932 | if (ftr[0] < 7 || ! (csize = ftr[5]) || ftr[0] < 7 + csize) { | |
933 | snd_printk(KERN_ERR "usbaudio: unit %u: invalid FEATURE_UNIT descriptor\n", unitid); | |
934 | return -EINVAL; | |
935 | } | |
936 | ||
937 | /* parse the source unit */ | |
938 | if ((err = parse_audio_unit(state, ftr[4])) < 0) | |
939 | return err; | |
940 | ||
941 | /* determine the input source type and name */ | |
942 | if (check_input_term(state, ftr[4], &iterm) < 0) | |
943 | return -EINVAL; | |
944 | ||
945 | channels = (ftr[0] - 7) / csize - 1; | |
946 | ||
947 | master_bits = snd_usb_combine_bytes(ftr + 6, csize); | |
948 | if (channels > 0) | |
949 | first_ch_bits = snd_usb_combine_bytes(ftr + 6 + csize, csize); | |
950 | else | |
951 | first_ch_bits = 0; | |
952 | /* check all control types */ | |
953 | for (i = 0; i < 10; i++) { | |
954 | unsigned int ch_bits = 0; | |
955 | for (j = 0; j < channels; j++) { | |
956 | unsigned int mask = snd_usb_combine_bytes(ftr + 6 + csize * (j+1), csize); | |
957 | if (mask & (1 << i)) | |
958 | ch_bits |= (1 << j); | |
959 | } | |
960 | if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ | |
961 | build_feature_ctl(state, ftr, ch_bits, i, &iterm, unitid); | |
962 | if (master_bits & (1 << i)) | |
963 | build_feature_ctl(state, ftr, 0, i, &iterm, unitid); | |
964 | } | |
965 | ||
966 | return 0; | |
967 | } | |
968 | ||
969 | ||
970 | /* | |
971 | * Mixer Unit | |
972 | */ | |
973 | ||
974 | /* | |
975 | * build a mixer unit control | |
976 | * | |
977 | * the callbacks are identical with feature unit. | |
978 | * input channel number (zero based) is given in control field instead. | |
979 | */ | |
980 | ||
86e07d34 | 981 | static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 982 | int in_pin, int in_ch, int unitid, |
86e07d34 | 983 | struct usb_audio_term *iterm) |
1da177e4 | 984 | { |
86e07d34 | 985 | struct usb_mixer_elem_info *cval; |
1da177e4 LT |
986 | unsigned int input_pins = desc[4]; |
987 | unsigned int num_outs = desc[5 + input_pins]; | |
988 | unsigned int i, len; | |
86e07d34 | 989 | struct snd_kcontrol *kctl; |
1da177e4 LT |
990 | |
991 | if (check_ignored_ctl(state, unitid, 0)) | |
992 | return; | |
993 | ||
561b220a | 994 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
995 | if (! cval) |
996 | return; | |
997 | ||
84957a8a | 998 | cval->mixer = state->mixer; |
1da177e4 LT |
999 | cval->id = unitid; |
1000 | cval->control = in_ch + 1; /* based on 1 */ | |
1001 | cval->val_type = USB_MIXER_S16; | |
1002 | for (i = 0; i < num_outs; i++) { | |
1003 | if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) { | |
1004 | cval->cmask |= (1 << i); | |
1005 | cval->channels++; | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | /* get min/max values */ | |
1010 | get_min_max(cval, 0); | |
1011 | ||
1012 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1013 | if (! kctl) { | |
1014 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1015 | kfree(cval); | |
1016 | return; | |
1017 | } | |
1018 | kctl->private_free = usb_mixer_elem_free; | |
1019 | ||
1020 | len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); | |
1021 | if (! len) | |
1022 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); | |
1023 | if (! len) | |
1024 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); | |
1025 | strlcat(kctl->id.name + len, " Volume", sizeof(kctl->id.name)); | |
1026 | ||
1027 | snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n", | |
1028 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1029 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1030 | } |
1031 | ||
1032 | ||
1033 | /* | |
1034 | * parse a mixer unit | |
1035 | */ | |
86e07d34 | 1036 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 | 1037 | { |
86e07d34 | 1038 | struct usb_audio_term iterm; |
1da177e4 LT |
1039 | int input_pins, num_ins, num_outs; |
1040 | int pin, ich, err; | |
1041 | ||
1042 | if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) { | |
1043 | snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid); | |
1044 | return -EINVAL; | |
1045 | } | |
1046 | /* no bmControls field (e.g. Maya44) -> ignore */ | |
1047 | if (desc[0] <= 10 + input_pins) { | |
1048 | snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid); | |
1049 | return 0; | |
1050 | } | |
1051 | ||
1052 | num_ins = 0; | |
1053 | ich = 0; | |
1054 | for (pin = 0; pin < input_pins; pin++) { | |
1055 | err = parse_audio_unit(state, desc[5 + pin]); | |
1056 | if (err < 0) | |
1057 | return err; | |
1058 | err = check_input_term(state, desc[5 + pin], &iterm); | |
1059 | if (err < 0) | |
1060 | return err; | |
1061 | num_ins += iterm.channels; | |
1062 | for (; ich < num_ins; ++ich) { | |
1063 | int och, ich_has_controls = 0; | |
1064 | ||
1065 | for (och = 0; och < num_outs; ++och) { | |
1066 | if (check_matrix_bitmap(desc + 9 + input_pins, | |
1067 | ich, och, num_outs)) { | |
1068 | ich_has_controls = 1; | |
1069 | break; | |
1070 | } | |
1071 | } | |
1072 | if (ich_has_controls) | |
1073 | build_mixer_unit_ctl(state, desc, pin, ich, | |
1074 | unitid, &iterm); | |
1075 | } | |
1076 | } | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | ||
1081 | /* | |
1082 | * Processing Unit / Extension Unit | |
1083 | */ | |
1084 | ||
1085 | /* get callback for processing/extension unit */ | |
86e07d34 | 1086 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1087 | { |
86e07d34 | 1088 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1089 | int err, val; |
1090 | ||
1091 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
84957a8a | 1092 | if (err < 0 && cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1093 | ucontrol->value.integer.value[0] = cval->min; |
1094 | return 0; | |
1095 | } | |
1096 | if (err < 0) | |
1097 | return err; | |
1098 | val = get_relative_value(cval, val); | |
1099 | ucontrol->value.integer.value[0] = val; | |
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | /* put callback for processing/extension unit */ | |
86e07d34 | 1104 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1105 | { |
86e07d34 | 1106 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1107 | int val, oval, err; |
1108 | ||
1109 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
1110 | if (err < 0) { | |
84957a8a | 1111 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1112 | return 0; |
1113 | return err; | |
1114 | } | |
1115 | val = ucontrol->value.integer.value[0]; | |
1116 | val = get_abs_value(cval, val); | |
1117 | if (val != oval) { | |
1118 | set_cur_ctl_value(cval, cval->control << 8, val); | |
1119 | return 1; | |
1120 | } | |
1121 | return 0; | |
1122 | } | |
1123 | ||
1124 | /* alsa control interface for processing/extension unit */ | |
86e07d34 | 1125 | static struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
1126 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1127 | .name = "", /* will be filled later */ | |
1128 | .info = mixer_ctl_feature_info, | |
1129 | .get = mixer_ctl_procunit_get, | |
1130 | .put = mixer_ctl_procunit_put, | |
1131 | }; | |
1132 | ||
1133 | ||
1134 | /* | |
1135 | * predefined data for processing units | |
1136 | */ | |
1137 | struct procunit_value_info { | |
1138 | int control; | |
1139 | char *suffix; | |
1140 | int val_type; | |
1141 | int min_value; | |
1142 | }; | |
1143 | ||
1144 | struct procunit_info { | |
1145 | int type; | |
1146 | char *name; | |
1147 | struct procunit_value_info *values; | |
1148 | }; | |
1149 | ||
1150 | static struct procunit_value_info updown_proc_info[] = { | |
1151 | { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1152 | { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1153 | { 0 } | |
1154 | }; | |
1155 | static struct procunit_value_info prologic_proc_info[] = { | |
1156 | { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1157 | { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1158 | { 0 } | |
1159 | }; | |
1160 | static struct procunit_value_info threed_enh_proc_info[] = { | |
1161 | { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1162 | { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1163 | { 0 } | |
1164 | }; | |
1165 | static struct procunit_value_info reverb_proc_info[] = { | |
1166 | { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1167 | { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
1168 | { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
1169 | { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, | |
1170 | { 0 } | |
1171 | }; | |
1172 | static struct procunit_value_info chorus_proc_info[] = { | |
1173 | { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1174 | { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
1175 | { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
1176 | { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1177 | { 0 } | |
1178 | }; | |
1179 | static struct procunit_value_info dcr_proc_info[] = { | |
1180 | { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1181 | { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, | |
1182 | { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, | |
1183 | { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
1184 | { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, | |
1185 | { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, | |
1186 | { 0 } | |
1187 | }; | |
1188 | ||
1189 | static struct procunit_info procunits[] = { | |
1190 | { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, | |
1191 | { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
1192 | { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, | |
1193 | { USB_PROC_REVERB, "Reverb", reverb_proc_info }, | |
1194 | { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, | |
1195 | { USB_PROC_DCR, "DCR", dcr_proc_info }, | |
1196 | { 0 }, | |
1197 | }; | |
1198 | ||
1199 | /* | |
1200 | * build a processing/extension unit | |
1201 | */ | |
86e07d34 | 1202 | static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name) |
1da177e4 LT |
1203 | { |
1204 | int num_ins = dsc[6]; | |
86e07d34 TI |
1205 | struct usb_mixer_elem_info *cval; |
1206 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1207 | int i, err, nameid, type, len; |
1208 | struct procunit_info *info; | |
1209 | struct procunit_value_info *valinfo; | |
1210 | static struct procunit_value_info default_value_info[] = { | |
1211 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, | |
1212 | { 0 } | |
1213 | }; | |
1214 | static struct procunit_info default_info = { | |
1215 | 0, NULL, default_value_info | |
1216 | }; | |
1217 | ||
1218 | if (dsc[0] < 13 || dsc[0] < 13 + num_ins || dsc[0] < num_ins + dsc[11 + num_ins]) { | |
1219 | snd_printk(KERN_ERR "invalid %s descriptor (id %d)\n", name, unitid); | |
1220 | return -EINVAL; | |
1221 | } | |
1222 | ||
1223 | for (i = 0; i < num_ins; i++) { | |
1224 | if ((err = parse_audio_unit(state, dsc[7 + i])) < 0) | |
1225 | return err; | |
1226 | } | |
1227 | ||
1228 | type = combine_word(&dsc[4]); | |
1da177e4 LT |
1229 | for (info = list; info && info->type; info++) |
1230 | if (info->type == type) | |
1231 | break; | |
1232 | if (! info || ! info->type) | |
1233 | info = &default_info; | |
1234 | ||
1235 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
1236 | /* FIXME: bitmap might be longer than 8bit */ | |
1237 | if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) | |
1238 | continue; | |
1239 | if (check_ignored_ctl(state, unitid, valinfo->control)) | |
1240 | continue; | |
561b220a | 1241 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1242 | if (! cval) { |
1243 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1244 | return -ENOMEM; | |
1245 | } | |
84957a8a | 1246 | cval->mixer = state->mixer; |
1da177e4 LT |
1247 | cval->id = unitid; |
1248 | cval->control = valinfo->control; | |
1249 | cval->val_type = valinfo->val_type; | |
1250 | cval->channels = 1; | |
1251 | ||
1252 | /* get min/max values */ | |
1253 | if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { | |
1254 | /* FIXME: hard-coded */ | |
1255 | cval->min = 1; | |
1256 | cval->max = dsc[15]; | |
1257 | cval->res = 1; | |
1258 | cval->initialized = 1; | |
1259 | } else | |
1260 | get_min_max(cval, valinfo->min_value); | |
1261 | ||
1262 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); | |
1263 | if (! kctl) { | |
1264 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1265 | kfree(cval); | |
1266 | return -ENOMEM; | |
1267 | } | |
1268 | kctl->private_free = usb_mixer_elem_free; | |
1269 | ||
1270 | if (check_mapped_name(state, unitid, cval->control, kctl->id.name, sizeof(kctl->id.name))) | |
1271 | ; | |
1272 | else if (info->name) | |
1273 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); | |
1274 | else { | |
1275 | nameid = dsc[12 + num_ins + dsc[11 + num_ins]]; | |
1276 | len = 0; | |
1277 | if (nameid) | |
1278 | len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1279 | if (! len) | |
1280 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); | |
1281 | } | |
1282 | strlcat(kctl->id.name, " ", sizeof(kctl->id.name)); | |
1283 | strlcat(kctl->id.name, valinfo->suffix, sizeof(kctl->id.name)); | |
1284 | ||
1285 | snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n", | |
1286 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1287 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1288 | return err; |
1289 | } | |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | ||
86e07d34 | 1294 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1295 | { |
1296 | return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit"); | |
1297 | } | |
1298 | ||
86e07d34 | 1299 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1300 | { |
1301 | return build_audio_procunit(state, unitid, desc, NULL, "Extension Unit"); | |
1302 | } | |
1303 | ||
1304 | ||
1305 | /* | |
1306 | * Selector Unit | |
1307 | */ | |
1308 | ||
1309 | /* info callback for selector unit | |
1310 | * use an enumerator type for routing | |
1311 | */ | |
86e07d34 | 1312 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 1313 | { |
86e07d34 | 1314 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1315 | char **itemlist = (char **)kcontrol->private_value; |
1316 | ||
1317 | snd_assert(itemlist, return -EINVAL); | |
1318 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
1319 | uinfo->count = 1; | |
1320 | uinfo->value.enumerated.items = cval->max; | |
1321 | if ((int)uinfo->value.enumerated.item >= cval->max) | |
1322 | uinfo->value.enumerated.item = cval->max - 1; | |
1323 | strcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item]); | |
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | /* get callback for selector unit */ | |
86e07d34 | 1328 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1329 | { |
86e07d34 | 1330 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1331 | int val, err; |
1332 | ||
1333 | err = get_cur_ctl_value(cval, 0, &val); | |
1334 | if (err < 0) { | |
84957a8a | 1335 | if (cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1336 | ucontrol->value.enumerated.item[0] = 0; |
1337 | return 0; | |
1338 | } | |
1339 | return err; | |
1340 | } | |
1341 | val = get_relative_value(cval, val); | |
1342 | ucontrol->value.enumerated.item[0] = val; | |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | /* put callback for selector unit */ | |
86e07d34 | 1347 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1348 | { |
86e07d34 | 1349 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1350 | int val, oval, err; |
1351 | ||
1352 | err = get_cur_ctl_value(cval, 0, &oval); | |
1353 | if (err < 0) { | |
84957a8a | 1354 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1355 | return 0; |
1356 | return err; | |
1357 | } | |
1358 | val = ucontrol->value.enumerated.item[0]; | |
1359 | val = get_abs_value(cval, val); | |
1360 | if (val != oval) { | |
1361 | set_cur_ctl_value(cval, 0, val); | |
1362 | return 1; | |
1363 | } | |
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | /* alsa control interface for selector unit */ | |
86e07d34 | 1368 | static struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
1369 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1370 | .name = "", /* will be filled later */ | |
1371 | .info = mixer_ctl_selector_info, | |
1372 | .get = mixer_ctl_selector_get, | |
1373 | .put = mixer_ctl_selector_put, | |
1374 | }; | |
1375 | ||
1376 | ||
1377 | /* private free callback. | |
1378 | * free both private_data and private_value | |
1379 | */ | |
86e07d34 | 1380 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
1381 | { |
1382 | int i, num_ins = 0; | |
1383 | ||
1384 | if (kctl->private_data) { | |
86e07d34 | 1385 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 LT |
1386 | num_ins = cval->max; |
1387 | kfree(cval); | |
1388 | kctl->private_data = NULL; | |
1389 | } | |
1390 | if (kctl->private_value) { | |
1391 | char **itemlist = (char **)kctl->private_value; | |
1392 | for (i = 0; i < num_ins; i++) | |
1393 | kfree(itemlist[i]); | |
1394 | kfree(itemlist); | |
1395 | kctl->private_value = 0; | |
1396 | } | |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * parse a selector unit | |
1401 | */ | |
86e07d34 | 1402 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1403 | { |
1404 | unsigned int num_ins = desc[4]; | |
1405 | unsigned int i, nameid, len; | |
1406 | int err; | |
86e07d34 TI |
1407 | struct usb_mixer_elem_info *cval; |
1408 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1409 | char **namelist; |
1410 | ||
1411 | if (! num_ins || desc[0] < 6 + num_ins) { | |
1412 | snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid); | |
1413 | return -EINVAL; | |
1414 | } | |
1415 | ||
1416 | for (i = 0; i < num_ins; i++) { | |
1417 | if ((err = parse_audio_unit(state, desc[5 + i])) < 0) | |
1418 | return err; | |
1419 | } | |
1420 | ||
1421 | if (num_ins == 1) /* only one ? nonsense! */ | |
1422 | return 0; | |
1423 | ||
1424 | if (check_ignored_ctl(state, unitid, 0)) | |
1425 | return 0; | |
1426 | ||
561b220a | 1427 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1428 | if (! cval) { |
1429 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1430 | return -ENOMEM; | |
1431 | } | |
84957a8a | 1432 | cval->mixer = state->mixer; |
1da177e4 LT |
1433 | cval->id = unitid; |
1434 | cval->val_type = USB_MIXER_U8; | |
1435 | cval->channels = 1; | |
1436 | cval->min = 1; | |
1437 | cval->max = num_ins; | |
1438 | cval->res = 1; | |
1439 | cval->initialized = 1; | |
1440 | ||
1441 | namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL); | |
1442 | if (! namelist) { | |
1443 | snd_printk(KERN_ERR "cannot malloc\n"); | |
1444 | kfree(cval); | |
1445 | return -ENOMEM; | |
1446 | } | |
1447 | #define MAX_ITEM_NAME_LEN 64 | |
1448 | for (i = 0; i < num_ins; i++) { | |
86e07d34 | 1449 | struct usb_audio_term iterm; |
1da177e4 LT |
1450 | len = 0; |
1451 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); | |
1452 | if (! namelist[i]) { | |
1453 | snd_printk(KERN_ERR "cannot malloc\n"); | |
1454 | while (--i > 0) | |
1455 | kfree(namelist[i]); | |
1456 | kfree(namelist); | |
1457 | kfree(cval); | |
1458 | return -ENOMEM; | |
1459 | } | |
8e062ec7 CL |
1460 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
1461 | MAX_ITEM_NAME_LEN); | |
1462 | if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0) | |
1da177e4 LT |
1463 | len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); |
1464 | if (! len) | |
1465 | sprintf(namelist[i], "Input %d", i); | |
1466 | } | |
1467 | ||
1468 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
1469 | if (! kctl) { | |
1470 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
878b4789 | 1471 | kfree(namelist); |
1da177e4 LT |
1472 | kfree(cval); |
1473 | return -ENOMEM; | |
1474 | } | |
1475 | kctl->private_value = (unsigned long)namelist; | |
1476 | kctl->private_free = usb_mixer_selector_elem_free; | |
1477 | ||
1478 | nameid = desc[desc[0] - 1]; | |
1479 | len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); | |
1480 | if (len) | |
1481 | ; | |
1482 | else if (nameid) | |
1483 | snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1484 | else { | |
1485 | len = get_term_name(state, &state->oterm, | |
1486 | kctl->id.name, sizeof(kctl->id.name), 0); | |
1487 | if (! len) | |
1488 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); | |
1489 | ||
1490 | if ((state->oterm.type & 0xff00) == 0x0100) | |
1491 | strlcat(kctl->id.name, " Capture Source", sizeof(kctl->id.name)); | |
1492 | else | |
1493 | strlcat(kctl->id.name, " Playback Source", sizeof(kctl->id.name)); | |
1494 | } | |
1495 | ||
1496 | snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n", | |
1497 | cval->id, kctl->id.name, num_ins); | |
84957a8a | 1498 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1499 | return err; |
1500 | ||
1501 | return 0; | |
1502 | } | |
1503 | ||
1504 | ||
1505 | /* | |
1506 | * parse an audio unit recursively | |
1507 | */ | |
1508 | ||
86e07d34 | 1509 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
1510 | { |
1511 | unsigned char *p1; | |
1512 | ||
1513 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
1514 | return 0; /* the unit already visited */ | |
1515 | ||
1516 | p1 = find_audio_control_unit(state, unitid); | |
1517 | if (!p1) { | |
1518 | snd_printk(KERN_ERR "usbaudio: unit %d not found!\n", unitid); | |
1519 | return -EINVAL; | |
1520 | } | |
1521 | ||
1522 | switch (p1[2]) { | |
1523 | case INPUT_TERMINAL: | |
1524 | return 0; /* NOP */ | |
1525 | case MIXER_UNIT: | |
1526 | return parse_audio_mixer_unit(state, unitid, p1); | |
1527 | case SELECTOR_UNIT: | |
1528 | return parse_audio_selector_unit(state, unitid, p1); | |
1529 | case FEATURE_UNIT: | |
1530 | return parse_audio_feature_unit(state, unitid, p1); | |
1531 | case PROCESSING_UNIT: | |
1532 | return parse_audio_processing_unit(state, unitid, p1); | |
1533 | case EXTENSION_UNIT: | |
1534 | return parse_audio_extension_unit(state, unitid, p1); | |
1535 | default: | |
1536 | snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]); | |
1537 | return -EINVAL; | |
1538 | } | |
1539 | } | |
1540 | ||
84957a8a CL |
1541 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
1542 | { | |
6639b6c2 CL |
1543 | kfree(mixer->id_elems); |
1544 | if (mixer->urb) { | |
1545 | kfree(mixer->urb->transfer_buffer); | |
1546 | usb_free_urb(mixer->urb); | |
1547 | } | |
b259b10c CL |
1548 | if (mixer->rc_urb) |
1549 | usb_free_urb(mixer->rc_urb); | |
1550 | kfree(mixer->rc_setup_packet); | |
84957a8a CL |
1551 | kfree(mixer); |
1552 | } | |
1553 | ||
86e07d34 | 1554 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
1555 | { |
1556 | struct usb_mixer_interface *mixer = device->device_data; | |
1557 | snd_usb_mixer_free(mixer); | |
1558 | return 0; | |
1559 | } | |
1560 | ||
1da177e4 LT |
1561 | /* |
1562 | * create mixer controls | |
1563 | * | |
1564 | * walk through all OUTPUT_TERMINAL descriptors to search for mixers | |
1565 | */ | |
84957a8a | 1566 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 LT |
1567 | { |
1568 | unsigned char *desc; | |
86e07d34 | 1569 | struct mixer_build state; |
1da177e4 LT |
1570 | int err; |
1571 | const struct usbmix_ctl_map *map; | |
84957a8a | 1572 | struct usb_host_interface *hostif; |
1da177e4 | 1573 | |
84957a8a | 1574 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; |
1da177e4 | 1575 | memset(&state, 0, sizeof(state)); |
84957a8a CL |
1576 | state.chip = mixer->chip; |
1577 | state.mixer = mixer; | |
1da177e4 LT |
1578 | state.buffer = hostif->extra; |
1579 | state.buflen = hostif->extralen; | |
1da177e4 LT |
1580 | |
1581 | /* check the mapping table */ | |
27d10f56 CL |
1582 | for (map = usbmix_ctl_maps; map->id; map++) { |
1583 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 1584 | state.map = map->map; |
8e062ec7 | 1585 | state.selector_map = map->selector_map; |
84957a8a | 1586 | mixer->ignore_ctl_error = map->ignore_ctl_error; |
1da177e4 LT |
1587 | break; |
1588 | } | |
1589 | } | |
1da177e4 LT |
1590 | |
1591 | desc = NULL; | |
1592 | while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, OUTPUT_TERMINAL)) != NULL) { | |
1593 | if (desc[0] < 9) | |
1594 | continue; /* invalid descriptor? */ | |
1595 | set_bit(desc[3], state.unitbitmap); /* mark terminal ID as visited */ | |
1596 | state.oterm.id = desc[3]; | |
1597 | state.oterm.type = combine_word(&desc[4]); | |
1598 | state.oterm.name = desc[8]; | |
1599 | err = parse_audio_unit(&state, desc[7]); | |
1600 | if (err < 0) | |
1601 | return err; | |
1602 | } | |
1603 | return 0; | |
1604 | } | |
84957a8a | 1605 | |
6639b6c2 CL |
1606 | static void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, |
1607 | int unitid) | |
1608 | { | |
86e07d34 | 1609 | struct usb_mixer_elem_info *info; |
6639b6c2 CL |
1610 | |
1611 | for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem) | |
1612 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
1613 | info->elem_id); | |
1614 | } | |
1615 | ||
b259b10c CL |
1616 | static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer, |
1617 | int unitid) | |
1618 | { | |
aafad562 CL |
1619 | if (mixer->rc_type == RC_NONE) |
1620 | return; | |
1621 | /* unit ids specific to Extigy/Audigy 2 NX: */ | |
1622 | switch (unitid) { | |
1623 | case 0: /* remote control */ | |
b259b10c CL |
1624 | mixer->rc_urb->dev = mixer->chip->dev; |
1625 | usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); | |
aafad562 CL |
1626 | break; |
1627 | case 4: /* digital in jack */ | |
1628 | case 7: /* line in jacks */ | |
1629 | case 19: /* speaker out jacks */ | |
1630 | case 20: /* headphones out jack */ | |
1631 | break; | |
1632 | default: | |
1633 | snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid); | |
1634 | break; | |
b259b10c CL |
1635 | } |
1636 | } | |
1637 | ||
6639b6c2 CL |
1638 | static void snd_usb_mixer_status_complete(struct urb *urb, struct pt_regs *regs) |
1639 | { | |
1640 | struct usb_mixer_interface *mixer = urb->context; | |
1641 | ||
1642 | if (urb->status == 0) { | |
1643 | u8 *buf = urb->transfer_buffer; | |
1644 | int i; | |
1645 | ||
1646 | for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) { | |
1647 | snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n", | |
1648 | buf[0], buf[1]); | |
1649 | /* ignore any notifications not from the control interface */ | |
1650 | if ((buf[0] & 0x0f) != 0) | |
1651 | continue; | |
1652 | if (!(buf[0] & 0x40)) | |
1653 | snd_usb_mixer_notify_id(mixer, buf[1]); | |
b259b10c CL |
1654 | else |
1655 | snd_usb_mixer_memory_change(mixer, buf[1]); | |
6639b6c2 CL |
1656 | } |
1657 | } | |
1658 | if (urb->status != -ENOENT && urb->status != -ECONNRESET) { | |
1659 | urb->dev = mixer->chip->dev; | |
1660 | usb_submit_urb(urb, GFP_ATOMIC); | |
1661 | } | |
1662 | } | |
1663 | ||
1664 | /* create the handler for the optional status interrupt endpoint */ | |
1665 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
1666 | { | |
1667 | struct usb_host_interface *hostif; | |
1668 | struct usb_endpoint_descriptor *ep; | |
1669 | void *transfer_buffer; | |
1670 | int buffer_length; | |
1671 | unsigned int epnum; | |
1672 | ||
1673 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; | |
1674 | /* we need one interrupt input endpoint */ | |
1675 | if (get_iface_desc(hostif)->bNumEndpoints < 1) | |
1676 | return 0; | |
1677 | ep = get_endpoint(hostif, 0); | |
1678 | if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN || | |
1679 | (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) | |
1680 | return 0; | |
1681 | ||
1682 | epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
1683 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); | |
1684 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1685 | if (!transfer_buffer) | |
1686 | return -ENOMEM; | |
1687 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
1688 | if (!mixer->urb) { | |
1689 | kfree(transfer_buffer); | |
1690 | return -ENOMEM; | |
1691 | } | |
1692 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
1693 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
1694 | transfer_buffer, buffer_length, | |
1695 | snd_usb_mixer_status_complete, mixer, ep->bInterval); | |
1696 | usb_submit_urb(mixer->urb, GFP_KERNEL); | |
1697 | return 0; | |
1698 | } | |
1699 | ||
b259b10c CL |
1700 | static void snd_usb_soundblaster_remote_complete(struct urb *urb, |
1701 | struct pt_regs *regs) | |
1702 | { | |
1703 | struct usb_mixer_interface *mixer = urb->context; | |
1704 | /* | |
1705 | * format of remote control data: | |
1706 | * Extigy: xx 00 | |
1707 | * Audigy 2 NX: 06 80 xx 00 00 00 | |
1708 | */ | |
1709 | int offset = mixer->rc_type == RC_EXTIGY ? 0 : 2; | |
1710 | u32 code; | |
1711 | ||
1712 | if (urb->status < 0 || urb->actual_length <= offset) | |
1713 | return; | |
1714 | code = mixer->rc_buffer[offset]; | |
1715 | /* the Mute button actually changes the mixer control */ | |
1716 | if (code == 13) | |
1717 | snd_usb_mixer_notify_id(mixer, 18); | |
1718 | mixer->rc_code = code; | |
1719 | wmb(); | |
1720 | wake_up(&mixer->rc_waitq); | |
1721 | } | |
1722 | ||
86e07d34 | 1723 | static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file) |
b259b10c CL |
1724 | { |
1725 | struct usb_mixer_interface *mixer = hw->private_data; | |
1726 | ||
1727 | if (test_and_set_bit(0, &mixer->rc_hwdep_open)) | |
1728 | return -EBUSY; | |
1729 | return 0; | |
1730 | } | |
1731 | ||
86e07d34 | 1732 | static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file) |
b259b10c CL |
1733 | { |
1734 | struct usb_mixer_interface *mixer = hw->private_data; | |
1735 | ||
1736 | clear_bit(0, &mixer->rc_hwdep_open); | |
1737 | smp_mb__after_clear_bit(); | |
1738 | return 0; | |
1739 | } | |
1740 | ||
86e07d34 | 1741 | static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, |
b259b10c CL |
1742 | long count, loff_t *offset) |
1743 | { | |
1744 | struct usb_mixer_interface *mixer = hw->private_data; | |
1745 | int err; | |
1746 | u32 rc_code; | |
1747 | ||
434b7f56 | 1748 | if (count != 1 && count != 4) |
b259b10c CL |
1749 | return -EINVAL; |
1750 | err = wait_event_interruptible(mixer->rc_waitq, | |
1751 | (rc_code = xchg(&mixer->rc_code, 0)) != 0); | |
1752 | if (err == 0) { | |
434b7f56 CL |
1753 | if (count == 1) |
1754 | err = put_user(rc_code, buf); | |
1755 | else | |
1756 | err = put_user(rc_code, (u32 __user *)buf); | |
b259b10c CL |
1757 | } |
1758 | return err < 0 ? err : count; | |
1759 | } | |
1760 | ||
86e07d34 | 1761 | static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, |
b259b10c CL |
1762 | poll_table *wait) |
1763 | { | |
1764 | struct usb_mixer_interface *mixer = hw->private_data; | |
1765 | ||
1766 | poll_wait(file, &mixer->rc_waitq, wait); | |
1767 | return mixer->rc_code ? POLLIN | POLLRDNORM : 0; | |
1768 | } | |
1769 | ||
1770 | static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) | |
1771 | { | |
86e07d34 | 1772 | struct snd_hwdep *hwdep; |
b259b10c CL |
1773 | int err, len; |
1774 | ||
27d10f56 CL |
1775 | switch (mixer->chip->usb_id) { |
1776 | case USB_ID(0x041e, 0x3000): | |
b259b10c CL |
1777 | mixer->rc_type = RC_EXTIGY; |
1778 | len = 2; | |
1779 | break; | |
27d10f56 | 1780 | case USB_ID(0x041e, 0x3020): |
b259b10c CL |
1781 | mixer->rc_type = RC_AUDIGY2NX; |
1782 | len = 6; | |
1783 | break; | |
1784 | default: | |
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | init_waitqueue_head(&mixer->rc_waitq); | |
1789 | err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); | |
1790 | if (err < 0) | |
1791 | return err; | |
1792 | snprintf(hwdep->name, sizeof(hwdep->name), | |
1793 | "%s remote control", mixer->chip->card->shortname); | |
1794 | hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; | |
1795 | hwdep->private_data = mixer; | |
1796 | hwdep->ops.read = snd_usb_sbrc_hwdep_read; | |
1797 | hwdep->ops.open = snd_usb_sbrc_hwdep_open; | |
1798 | hwdep->ops.release = snd_usb_sbrc_hwdep_release; | |
1799 | hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; | |
1800 | ||
1801 | mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1802 | if (!mixer->rc_urb) | |
1803 | return -ENOMEM; | |
1804 | mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); | |
1805 | if (!mixer->rc_setup_packet) { | |
1806 | usb_free_urb(mixer->rc_urb); | |
1807 | mixer->rc_urb = NULL; | |
1808 | return -ENOMEM; | |
1809 | } | |
1810 | mixer->rc_setup_packet->bRequestType = | |
1811 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
1812 | mixer->rc_setup_packet->bRequest = GET_MEM; | |
1813 | mixer->rc_setup_packet->wValue = cpu_to_le16(0); | |
1814 | mixer->rc_setup_packet->wIndex = cpu_to_le16(0); | |
1815 | mixer->rc_setup_packet->wLength = cpu_to_le16(len); | |
1816 | usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, | |
1817 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
1818 | (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, | |
1819 | snd_usb_soundblaster_remote_complete, mixer); | |
1820 | return 0; | |
1821 | } | |
1822 | ||
86e07d34 | 1823 | static int snd_audigy2nx_led_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
93446edc CL |
1824 | { |
1825 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1826 | uinfo->count = 1; | |
1827 | uinfo->value.integer.min = 0; | |
1828 | uinfo->value.integer.max = 1; | |
1829 | return 0; | |
1830 | } | |
1831 | ||
86e07d34 | 1832 | static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
1833 | { |
1834 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
1835 | int index = kcontrol->private_value; | |
1836 | ||
1837 | ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index]; | |
1838 | return 0; | |
1839 | } | |
1840 | ||
86e07d34 | 1841 | static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
1842 | { |
1843 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
1844 | int index = kcontrol->private_value; | |
1845 | int value = ucontrol->value.integer.value[0]; | |
1846 | int err, changed; | |
1847 | ||
1848 | if (value > 1) | |
1849 | return -EINVAL; | |
1850 | changed = value != mixer->audigy2nx_leds[index]; | |
1851 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
1852 | usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, | |
1853 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
1854 | value, index + 2, NULL, 0, 100); | |
1855 | if (err < 0) | |
1856 | return err; | |
1857 | mixer->audigy2nx_leds[index] = value; | |
1858 | return changed; | |
1859 | } | |
1860 | ||
86e07d34 | 1861 | static struct snd_kcontrol_new snd_audigy2nx_controls[] = { |
93446edc CL |
1862 | { |
1863 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1864 | .name = "CMSS LED Switch", | |
1865 | .info = snd_audigy2nx_led_info, | |
1866 | .get = snd_audigy2nx_led_get, | |
1867 | .put = snd_audigy2nx_led_put, | |
1868 | .private_value = 0, | |
1869 | }, | |
1870 | { | |
1871 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1872 | .name = "Power LED Switch", | |
1873 | .info = snd_audigy2nx_led_info, | |
1874 | .get = snd_audigy2nx_led_get, | |
1875 | .put = snd_audigy2nx_led_put, | |
1876 | .private_value = 1, | |
1877 | }, | |
1878 | { | |
1879 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1880 | .name = "Dolby Digital LED Switch", | |
1881 | .info = snd_audigy2nx_led_info, | |
1882 | .get = snd_audigy2nx_led_get, | |
1883 | .put = snd_audigy2nx_led_put, | |
1884 | .private_value = 2, | |
1885 | }, | |
1886 | }; | |
1887 | ||
1888 | static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) | |
1889 | { | |
1890 | int i, err; | |
1891 | ||
1892 | for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { | |
1893 | err = snd_ctl_add(mixer->chip->card, | |
1894 | snd_ctl_new1(&snd_audigy2nx_controls[i], mixer)); | |
1895 | if (err < 0) | |
1896 | return err; | |
1897 | } | |
1898 | mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */ | |
1899 | return 0; | |
1900 | } | |
1901 | ||
86e07d34 TI |
1902 | static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, |
1903 | struct snd_info_buffer *buffer) | |
aafad562 CL |
1904 | { |
1905 | static const struct { | |
1906 | int unitid; | |
1907 | const char *name; | |
1908 | } jacks[] = { | |
1909 | {4, "dig in "}, | |
1910 | {7, "line in"}, | |
1911 | {19, "spk out"}, | |
1912 | {20, "hph out"}, | |
1913 | }; | |
1914 | struct usb_mixer_interface *mixer = entry->private_data; | |
1915 | int i, err; | |
1916 | u8 buf[3]; | |
1917 | ||
1918 | snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); | |
1919 | for (i = 0; i < ARRAY_SIZE(jacks); ++i) { | |
1920 | snd_iprintf(buffer, "%s: ", jacks[i].name); | |
1921 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
1922 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
1923 | GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | | |
1924 | USB_RECIP_INTERFACE, 0, | |
1925 | jacks[i].unitid << 8, buf, 3, 100); | |
1926 | if (err == 3 && buf[0] == 3) | |
1927 | snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); | |
1928 | else | |
1929 | snd_iprintf(buffer, "?\n"); | |
1930 | } | |
1931 | } | |
1932 | ||
86e07d34 | 1933 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) |
84957a8a | 1934 | { |
86e07d34 | 1935 | static struct snd_device_ops dev_ops = { |
84957a8a CL |
1936 | .dev_free = snd_usb_mixer_dev_free |
1937 | }; | |
1938 | struct usb_mixer_interface *mixer; | |
1939 | int err; | |
1940 | ||
1941 | strcpy(chip->card->mixername, "USB Mixer"); | |
1942 | ||
561b220a | 1943 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
1944 | if (!mixer) |
1945 | return -ENOMEM; | |
1946 | mixer->chip = chip; | |
1947 | mixer->ctrlif = ctrlif; | |
1948 | #ifdef IGNORE_CTL_ERROR | |
1949 | mixer->ignore_ctl_error = 1; | |
1950 | #endif | |
6639b6c2 CL |
1951 | mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL); |
1952 | if (!mixer->id_elems) { | |
1953 | kfree(mixer); | |
1954 | return -ENOMEM; | |
1955 | } | |
84957a8a | 1956 | |
6639b6c2 | 1957 | if ((err = snd_usb_mixer_controls(mixer)) < 0 || |
93446edc CL |
1958 | (err = snd_usb_mixer_status_create(mixer)) < 0) |
1959 | goto _error; | |
84957a8a | 1960 | |
93446edc CL |
1961 | if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) |
1962 | goto _error; | |
1963 | ||
1964 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) { | |
86e07d34 | 1965 | struct snd_info_entry *entry; |
aafad562 | 1966 | |
93446edc CL |
1967 | if ((err = snd_audigy2nx_controls_create(mixer)) < 0) |
1968 | goto _error; | |
aafad562 CL |
1969 | if (!snd_card_proc_new(chip->card, "audigy2nx", &entry)) |
1970 | snd_info_set_text_ops(entry, mixer, 1024, | |
1971 | snd_audigy2nx_proc_read); | |
b259b10c CL |
1972 | } |
1973 | ||
84957a8a | 1974 | err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); |
93446edc CL |
1975 | if (err < 0) |
1976 | goto _error; | |
84957a8a CL |
1977 | list_add(&mixer->list, &chip->mixer_list); |
1978 | return 0; | |
93446edc CL |
1979 | |
1980 | _error: | |
1981 | snd_usb_mixer_free(mixer); | |
1982 | return err; | |
84957a8a CL |
1983 | } |
1984 | ||
1985 | void snd_usb_mixer_disconnect(struct list_head *p) | |
1986 | { | |
6639b6c2 CL |
1987 | struct usb_mixer_interface *mixer; |
1988 | ||
1989 | mixer = list_entry(p, struct usb_mixer_interface, list); | |
1990 | if (mixer->urb) | |
1991 | usb_kill_urb(mixer->urb); | |
b259b10c CL |
1992 | if (mixer->rc_urb) |
1993 | usb_kill_urb(mixer->rc_urb); | |
84957a8a | 1994 | } |