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 | ||
1da177e4 LT |
29 | #include <linux/bitops.h> |
30 | #include <linux/init.h> | |
31 | #include <linux/list.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/string.h> | |
34 | #include <linux/usb.h> | |
28e1b773 DM |
35 | #include <linux/usb/audio.h> |
36 | ||
1da177e4 LT |
37 | #include <sound/core.h> |
38 | #include <sound/control.h> | |
b259b10c | 39 | #include <sound/hwdep.h> |
aafad562 | 40 | #include <sound/info.h> |
7bc5ba7e | 41 | #include <sound/tlv.h> |
1da177e4 LT |
42 | |
43 | #include "usbaudio.h" | |
3e1aebef | 44 | #include "usbmixer.h" |
e5779998 | 45 | #include "helper.h" |
1da177e4 | 46 | |
1da177e4 LT |
47 | /* |
48 | */ | |
49 | ||
50 | /* ignore error from controls - for debugging */ | |
51 | /* #define IGNORE_CTL_ERROR */ | |
52 | ||
4d1a70da RC |
53 | /* |
54 | * Sound Blaster remote control configuration | |
55 | * | |
56 | * format of remote control data: | |
57 | * Extigy: xx 00 | |
58 | * Audigy 2 NX: 06 80 xx 00 00 00 | |
59 | * Live! 24-bit: 06 80 xx yy 22 83 | |
60 | */ | |
61 | static const struct rc_config { | |
62 | u32 usb_id; | |
63 | u8 offset; | |
64 | u8 length; | |
65 | u8 packet_length; | |
b9c196e1 | 66 | u8 min_packet_length; /* minimum accepted length of the URB result */ |
4d1a70da RC |
67 | u8 mute_mixer_id; |
68 | u32 mute_code; | |
69 | } rc_configs[] = { | |
b9c196e1 PMJ |
70 | { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ |
71 | { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ | |
72 | { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ | |
3195954d | 73 | { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */ |
4d1a70da RC |
74 | }; |
75 | ||
ebfdeea3 JK |
76 | #define MAX_ID_ELEMS 256 |
77 | ||
84957a8a | 78 | struct usb_mixer_interface { |
86e07d34 | 79 | struct snd_usb_audio *chip; |
84957a8a CL |
80 | unsigned int ctrlif; |
81 | struct list_head list; | |
82 | unsigned int ignore_ctl_error; | |
6639b6c2 | 83 | struct urb *urb; |
ebfdeea3 JK |
84 | /* array[MAX_ID_ELEMS], indexed by unit id */ |
85 | struct usb_mixer_elem_info **id_elems; | |
b259b10c CL |
86 | |
87 | /* Sound Blaster remote control stuff */ | |
4d1a70da | 88 | const struct rc_config *rc_cfg; |
b259b10c CL |
89 | u32 rc_code; |
90 | wait_queue_head_t rc_waitq; | |
91 | struct urb *rc_urb; | |
92 | struct usb_ctrlrequest *rc_setup_packet; | |
93 | u8 rc_buffer[6]; | |
93446edc CL |
94 | |
95 | u8 audigy2nx_leds[3]; | |
468b8fde | 96 | u8 xonar_u1_status; |
84957a8a CL |
97 | }; |
98 | ||
99 | ||
1da177e4 LT |
100 | struct usb_audio_term { |
101 | int id; | |
102 | int type; | |
103 | int channels; | |
104 | unsigned int chconfig; | |
105 | int name; | |
106 | }; | |
107 | ||
108 | struct usbmix_name_map; | |
109 | ||
86e07d34 TI |
110 | struct mixer_build { |
111 | struct snd_usb_audio *chip; | |
84957a8a | 112 | struct usb_mixer_interface *mixer; |
1da177e4 LT |
113 | unsigned char *buffer; |
114 | unsigned int buflen; | |
291186e0 | 115 | DECLARE_BITMAP(unitbitmap, MAX_ID_ELEMS); |
86e07d34 | 116 | struct usb_audio_term oterm; |
1da177e4 | 117 | const struct usbmix_name_map *map; |
8e062ec7 | 118 | const struct usbmix_selector_map *selector_map; |
1da177e4 LT |
119 | }; |
120 | ||
641b4879 TI |
121 | #define MAX_CHANNELS 10 /* max logical channels */ |
122 | ||
1da177e4 | 123 | struct usb_mixer_elem_info { |
84957a8a | 124 | struct usb_mixer_interface *mixer; |
86e07d34 TI |
125 | struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ |
126 | struct snd_ctl_elem_id *elem_id; | |
1da177e4 LT |
127 | unsigned int id; |
128 | unsigned int control; /* CS or ICN (high byte) */ | |
129 | unsigned int cmask; /* channel mask bitmap: 0 = master */ | |
130 | int channels; | |
131 | int val_type; | |
132 | int min, max, res; | |
c3a3e040 | 133 | int dBmin, dBmax; |
641b4879 TI |
134 | int cached; |
135 | int cache_val[MAX_CHANNELS]; | |
6639b6c2 | 136 | u8 initialized; |
1da177e4 LT |
137 | }; |
138 | ||
1da177e4 LT |
139 | enum { |
140 | USB_MIXER_BOOLEAN, | |
141 | USB_MIXER_INV_BOOLEAN, | |
142 | USB_MIXER_S8, | |
143 | USB_MIXER_U8, | |
144 | USB_MIXER_S16, | |
145 | USB_MIXER_U16, | |
146 | }; | |
147 | ||
148 | enum { | |
149 | USB_PROC_UPDOWN = 1, | |
150 | USB_PROC_UPDOWN_SWITCH = 1, | |
151 | USB_PROC_UPDOWN_MODE_SEL = 2, | |
152 | ||
153 | USB_PROC_PROLOGIC = 2, | |
154 | USB_PROC_PROLOGIC_SWITCH = 1, | |
155 | USB_PROC_PROLOGIC_MODE_SEL = 2, | |
156 | ||
157 | USB_PROC_3DENH = 3, | |
158 | USB_PROC_3DENH_SWITCH = 1, | |
159 | USB_PROC_3DENH_SPACE = 2, | |
160 | ||
161 | USB_PROC_REVERB = 4, | |
162 | USB_PROC_REVERB_SWITCH = 1, | |
163 | USB_PROC_REVERB_LEVEL = 2, | |
164 | USB_PROC_REVERB_TIME = 3, | |
165 | USB_PROC_REVERB_DELAY = 4, | |
166 | ||
167 | USB_PROC_CHORUS = 5, | |
168 | USB_PROC_CHORUS_SWITCH = 1, | |
169 | USB_PROC_CHORUS_LEVEL = 2, | |
170 | USB_PROC_CHORUS_RATE = 3, | |
171 | USB_PROC_CHORUS_DEPTH = 4, | |
172 | ||
173 | USB_PROC_DCR = 6, | |
174 | USB_PROC_DCR_SWITCH = 1, | |
175 | USB_PROC_DCR_RATIO = 2, | |
176 | USB_PROC_DCR_MAX_AMP = 3, | |
177 | USB_PROC_DCR_THRESHOLD = 4, | |
178 | USB_PROC_DCR_ATTACK = 5, | |
179 | USB_PROC_DCR_RELEASE = 6, | |
180 | }; | |
181 | ||
7d2b451e SK |
182 | /*E-mu 0202(0404) eXtension Unit(XU) control*/ |
183 | enum { | |
184 | USB_XU_CLOCK_RATE = 0xe301, | |
185 | USB_XU_CLOCK_SOURCE = 0xe302, | |
186 | USB_XU_DIGITAL_IO_STATUS = 0xe303, | |
187 | USB_XU_DEVICE_OPTIONS = 0xe304, | |
188 | USB_XU_DIRECT_MONITORING = 0xe305, | |
189 | USB_XU_METERING = 0xe306 | |
190 | }; | |
191 | enum { | |
192 | USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ | |
193 | USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ | |
194 | USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ | |
195 | USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ | |
196 | }; | |
1da177e4 LT |
197 | |
198 | /* | |
199 | * manual mapping of mixer names | |
200 | * if the mixer topology is too complicated and the parsed names are | |
201 | * ambiguous, add the entries in usbmixer_maps.c. | |
202 | */ | |
203 | #include "usbmixer_maps.c" | |
204 | ||
c3a3e040 JK |
205 | static const struct usbmix_name_map * |
206 | find_map(struct mixer_build *state, int unitid, int control) | |
1da177e4 | 207 | { |
c3a3e040 | 208 | const struct usbmix_name_map *p = state->map; |
1da177e4 | 209 | |
c3a3e040 JK |
210 | if (!p) |
211 | return NULL; | |
1da177e4 LT |
212 | |
213 | for (p = state->map; p->id; p++) { | |
c3a3e040 JK |
214 | if (p->id == unitid && |
215 | (!control || !p->control || control == p->control)) | |
216 | return p; | |
1da177e4 | 217 | } |
c3a3e040 | 218 | return NULL; |
1da177e4 LT |
219 | } |
220 | ||
c3a3e040 JK |
221 | /* get the mapped name if the unit matches */ |
222 | static int | |
223 | check_mapped_name(const struct usbmix_name_map *p, char *buf, int buflen) | |
1da177e4 | 224 | { |
c3a3e040 JK |
225 | if (!p || !p->name) |
226 | return 0; | |
1da177e4 | 227 | |
c3a3e040 JK |
228 | buflen--; |
229 | return strlcpy(buf, p->name, buflen); | |
230 | } | |
231 | ||
232 | /* check whether the control should be ignored */ | |
233 | static inline int | |
234 | check_ignored_ctl(const struct usbmix_name_map *p) | |
235 | { | |
236 | if (!p || p->name || p->dB) | |
1da177e4 | 237 | return 0; |
c3a3e040 JK |
238 | return 1; |
239 | } | |
240 | ||
241 | /* dB mapping */ | |
242 | static inline void check_mapped_dB(const struct usbmix_name_map *p, | |
243 | struct usb_mixer_elem_info *cval) | |
244 | { | |
245 | if (p && p->dB) { | |
246 | cval->dBmin = p->dB->min; | |
247 | cval->dBmax = p->dB->max; | |
1da177e4 | 248 | } |
1da177e4 LT |
249 | } |
250 | ||
8e062ec7 | 251 | /* get the mapped selector source name */ |
86e07d34 | 252 | static int check_mapped_selector_name(struct mixer_build *state, int unitid, |
8e062ec7 CL |
253 | int index, char *buf, int buflen) |
254 | { | |
255 | const struct usbmix_selector_map *p; | |
256 | ||
257 | if (! state->selector_map) | |
258 | return 0; | |
259 | for (p = state->selector_map; p->id; p++) { | |
260 | if (p->id == unitid && index < p->count) | |
261 | return strlcpy(buf, p->names[index], buflen); | |
262 | } | |
263 | return 0; | |
264 | } | |
265 | ||
1da177e4 LT |
266 | /* |
267 | * find an audio control unit with the given unit id | |
268 | */ | |
86e07d34 | 269 | static void *find_audio_control_unit(struct mixer_build *state, unsigned char unit) |
1da177e4 LT |
270 | { |
271 | unsigned char *p; | |
272 | ||
273 | p = NULL; | |
274 | while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, | |
275 | USB_DT_CS_INTERFACE)) != NULL) { | |
de48c7bc | 276 | if (p[0] >= 4 && p[2] >= UAC_INPUT_TERMINAL && p[2] <= UAC_EXTENSION_UNIT_V1 && p[3] == unit) |
1da177e4 LT |
277 | return p; |
278 | } | |
279 | return NULL; | |
280 | } | |
281 | ||
282 | ||
283 | /* | |
284 | * copy a string with the given id | |
285 | */ | |
86e07d34 | 286 | static int snd_usb_copy_string_desc(struct mixer_build *state, int index, char *buf, int maxlen) |
1da177e4 LT |
287 | { |
288 | int len = usb_string(state->chip->dev, index, buf, maxlen - 1); | |
289 | buf[len] = 0; | |
290 | return len; | |
291 | } | |
292 | ||
293 | /* | |
294 | * convert from the byte/word on usb descriptor to the zero-based integer | |
295 | */ | |
86e07d34 | 296 | static int convert_signed_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
297 | { |
298 | switch (cval->val_type) { | |
299 | case USB_MIXER_BOOLEAN: | |
300 | return !!val; | |
301 | case USB_MIXER_INV_BOOLEAN: | |
302 | return !val; | |
303 | case USB_MIXER_U8: | |
304 | val &= 0xff; | |
305 | break; | |
306 | case USB_MIXER_S8: | |
307 | val &= 0xff; | |
308 | if (val >= 0x80) | |
309 | val -= 0x100; | |
310 | break; | |
311 | case USB_MIXER_U16: | |
312 | val &= 0xffff; | |
313 | break; | |
314 | case USB_MIXER_S16: | |
315 | val &= 0xffff; | |
316 | if (val >= 0x8000) | |
317 | val -= 0x10000; | |
318 | break; | |
319 | } | |
320 | return val; | |
321 | } | |
322 | ||
323 | /* | |
324 | * convert from the zero-based int to the byte/word for usb descriptor | |
325 | */ | |
86e07d34 | 326 | static int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
327 | { |
328 | switch (cval->val_type) { | |
329 | case USB_MIXER_BOOLEAN: | |
330 | return !!val; | |
331 | case USB_MIXER_INV_BOOLEAN: | |
332 | return !val; | |
333 | case USB_MIXER_S8: | |
334 | case USB_MIXER_U8: | |
335 | return val & 0xff; | |
336 | case USB_MIXER_S16: | |
337 | case USB_MIXER_U16: | |
338 | return val & 0xffff; | |
339 | } | |
340 | return 0; /* not reached */ | |
341 | } | |
342 | ||
86e07d34 | 343 | static int get_relative_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
344 | { |
345 | if (! cval->res) | |
346 | cval->res = 1; | |
347 | if (val < cval->min) | |
348 | return 0; | |
14790f1c TI |
349 | else if (val >= cval->max) |
350 | return (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
351 | else |
352 | return (val - cval->min) / cval->res; | |
353 | } | |
354 | ||
86e07d34 | 355 | static int get_abs_value(struct usb_mixer_elem_info *cval, int val) |
1da177e4 LT |
356 | { |
357 | if (val < 0) | |
358 | return cval->min; | |
359 | if (! cval->res) | |
360 | cval->res = 1; | |
361 | val *= cval->res; | |
362 | val += cval->min; | |
363 | if (val > cval->max) | |
364 | return cval->max; | |
365 | return val; | |
366 | } | |
367 | ||
368 | ||
369 | /* | |
370 | * retrieve a mixer value | |
371 | */ | |
372 | ||
86e07d34 | 373 | static int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) |
1da177e4 LT |
374 | { |
375 | unsigned char buf[2]; | |
376 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
377 | int timeout = 10; | |
378 | ||
379 | while (timeout-- > 0) { | |
84957a8a CL |
380 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
381 | usb_rcvctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
382 | request, |
383 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, | |
84957a8a | 384 | validx, cval->mixer->ctrlif | (cval->id << 8), |
a04395ea | 385 | buf, val_len, 100) >= val_len) { |
1da177e4 LT |
386 | *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); |
387 | return 0; | |
388 | } | |
389 | } | |
84957a8a CL |
390 | snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", |
391 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); | |
1da177e4 LT |
392 | return -EINVAL; |
393 | } | |
394 | ||
86e07d34 | 395 | static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *value) |
1da177e4 | 396 | { |
de48c7bc | 397 | return get_ctl_value(cval, UAC_GET_CUR, validx, value); |
1da177e4 LT |
398 | } |
399 | ||
400 | /* channel = 0: master, 1 = first channel */ | |
641b4879 TI |
401 | static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, |
402 | int channel, int *value) | |
1da177e4 | 403 | { |
de48c7bc | 404 | return get_ctl_value(cval, UAC_GET_CUR, (cval->control << 8) | channel, value); |
1da177e4 LT |
405 | } |
406 | ||
641b4879 TI |
407 | static int get_cur_mix_value(struct usb_mixer_elem_info *cval, |
408 | int channel, int index, int *value) | |
409 | { | |
410 | int err; | |
411 | ||
412 | if (cval->cached & (1 << channel)) { | |
413 | *value = cval->cache_val[index]; | |
414 | return 0; | |
415 | } | |
416 | err = get_cur_mix_raw(cval, channel, value); | |
417 | if (err < 0) { | |
418 | if (!cval->mixer->ignore_ctl_error) | |
419 | snd_printd(KERN_ERR "cannot get current value for " | |
420 | "control %d ch %d: err = %d\n", | |
421 | cval->control, channel, err); | |
422 | return err; | |
423 | } | |
424 | cval->cached |= 1 << channel; | |
425 | cval->cache_val[index] = *value; | |
426 | return 0; | |
427 | } | |
428 | ||
429 | ||
1da177e4 LT |
430 | /* |
431 | * set a mixer value | |
432 | */ | |
433 | ||
86e07d34 | 434 | static int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set) |
1da177e4 LT |
435 | { |
436 | unsigned char buf[2]; | |
437 | int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; | |
438 | int timeout = 10; | |
439 | ||
440 | value_set = convert_bytes_value(cval, value_set); | |
441 | buf[0] = value_set & 0xff; | |
442 | buf[1] = (value_set >> 8) & 0xff; | |
cf3f9130 | 443 | while (timeout-- > 0) |
84957a8a CL |
444 | if (snd_usb_ctl_msg(cval->mixer->chip->dev, |
445 | usb_sndctrlpipe(cval->mixer->chip->dev, 0), | |
1da177e4 LT |
446 | request, |
447 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | |
84957a8a | 448 | validx, cval->mixer->ctrlif | (cval->id << 8), |
1da177e4 LT |
449 | buf, val_len, 100) >= 0) |
450 | return 0; | |
84957a8a CL |
451 | snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", |
452 | request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]); | |
1da177e4 LT |
453 | return -EINVAL; |
454 | } | |
455 | ||
86e07d34 | 456 | static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) |
1da177e4 | 457 | { |
de48c7bc | 458 | return set_ctl_value(cval, UAC_SET_CUR, validx, value); |
1da177e4 LT |
459 | } |
460 | ||
641b4879 TI |
461 | static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, |
462 | int index, int value) | |
1da177e4 | 463 | { |
641b4879 | 464 | int err; |
de48c7bc | 465 | err = set_ctl_value(cval, UAC_SET_CUR, (cval->control << 8) | channel, |
641b4879 TI |
466 | value); |
467 | if (err < 0) | |
468 | return err; | |
469 | cval->cached |= 1 << channel; | |
470 | cval->cache_val[index] = value; | |
471 | return 0; | |
1da177e4 LT |
472 | } |
473 | ||
7bc5ba7e TI |
474 | /* |
475 | * TLV callback for mixer volume controls | |
476 | */ | |
477 | static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, | |
478 | unsigned int size, unsigned int __user *_tlv) | |
479 | { | |
480 | struct usb_mixer_elem_info *cval = kcontrol->private_data; | |
b8e1c73f | 481 | DECLARE_TLV_DB_MINMAX(scale, 0, 0); |
7bc5ba7e TI |
482 | |
483 | if (size < sizeof(scale)) | |
484 | return -ENOMEM; | |
c3a3e040 JK |
485 | scale[2] = cval->dBmin; |
486 | scale[3] = cval->dBmax; | |
7bc5ba7e TI |
487 | if (copy_to_user(_tlv, scale, sizeof(scale))) |
488 | return -EFAULT; | |
489 | return 0; | |
490 | } | |
1da177e4 LT |
491 | |
492 | /* | |
493 | * parser routines begin here... | |
494 | */ | |
495 | ||
86e07d34 | 496 | static int parse_audio_unit(struct mixer_build *state, int unitid); |
1da177e4 LT |
497 | |
498 | ||
499 | /* | |
500 | * check if the input/output channel routing is enabled on the given bitmap. | |
501 | * used for mixer unit parser | |
502 | */ | |
503 | static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs) | |
504 | { | |
505 | int idx = ich * num_outs + och; | |
506 | return bmap[idx >> 3] & (0x80 >> (idx & 7)); | |
507 | } | |
508 | ||
509 | ||
510 | /* | |
511 | * add an alsa control element | |
512 | * search and increment the index until an empty slot is found. | |
513 | * | |
514 | * if failed, give up and free the control instance. | |
515 | */ | |
516 | ||
86e07d34 | 517 | static int add_control_to_empty(struct mixer_build *state, struct snd_kcontrol *kctl) |
1da177e4 | 518 | { |
86e07d34 | 519 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 | 520 | int err; |
84957a8a CL |
521 | |
522 | while (snd_ctl_find_id(state->chip->card, &kctl->id)) | |
1da177e4 | 523 | kctl->id.index++; |
84957a8a | 524 | if ((err = snd_ctl_add(state->chip->card, kctl)) < 0) { |
1da177e4 | 525 | snd_printd(KERN_ERR "cannot add control (err = %d)\n", err); |
6639b6c2 | 526 | return err; |
1da177e4 | 527 | } |
6639b6c2 CL |
528 | cval->elem_id = &kctl->id; |
529 | cval->next_id_elem = state->mixer->id_elems[cval->id]; | |
530 | state->mixer->id_elems[cval->id] = cval; | |
531 | return 0; | |
1da177e4 LT |
532 | } |
533 | ||
534 | ||
535 | /* | |
536 | * get a terminal name string | |
537 | */ | |
538 | ||
539 | static struct iterm_name_combo { | |
540 | int type; | |
541 | char *name; | |
542 | } iterm_names[] = { | |
543 | { 0x0300, "Output" }, | |
544 | { 0x0301, "Speaker" }, | |
545 | { 0x0302, "Headphone" }, | |
546 | { 0x0303, "HMD Audio" }, | |
547 | { 0x0304, "Desktop Speaker" }, | |
548 | { 0x0305, "Room Speaker" }, | |
549 | { 0x0306, "Com Speaker" }, | |
550 | { 0x0307, "LFE" }, | |
551 | { 0x0600, "External In" }, | |
552 | { 0x0601, "Analog In" }, | |
553 | { 0x0602, "Digital In" }, | |
554 | { 0x0603, "Line" }, | |
555 | { 0x0604, "Legacy In" }, | |
556 | { 0x0605, "IEC958 In" }, | |
557 | { 0x0606, "1394 DA Stream" }, | |
558 | { 0x0607, "1394 DV Stream" }, | |
559 | { 0x0700, "Embedded" }, | |
560 | { 0x0701, "Noise Source" }, | |
561 | { 0x0702, "Equalization Noise" }, | |
562 | { 0x0703, "CD" }, | |
563 | { 0x0704, "DAT" }, | |
564 | { 0x0705, "DCC" }, | |
565 | { 0x0706, "MiniDisk" }, | |
566 | { 0x0707, "Analog Tape" }, | |
567 | { 0x0708, "Phonograph" }, | |
568 | { 0x0709, "VCR Audio" }, | |
569 | { 0x070a, "Video Disk Audio" }, | |
570 | { 0x070b, "DVD Audio" }, | |
571 | { 0x070c, "TV Tuner Audio" }, | |
572 | { 0x070d, "Satellite Rec Audio" }, | |
573 | { 0x070e, "Cable Tuner Audio" }, | |
574 | { 0x070f, "DSS Audio" }, | |
575 | { 0x0710, "Radio Receiver" }, | |
576 | { 0x0711, "Radio Transmitter" }, | |
577 | { 0x0712, "Multi-Track Recorder" }, | |
578 | { 0x0713, "Synthesizer" }, | |
579 | { 0 }, | |
580 | }; | |
581 | ||
86e07d34 | 582 | static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm, |
1da177e4 LT |
583 | unsigned char *name, int maxlen, int term_only) |
584 | { | |
585 | struct iterm_name_combo *names; | |
586 | ||
587 | if (iterm->name) | |
588 | return snd_usb_copy_string_desc(state, iterm->name, name, maxlen); | |
589 | ||
590 | /* virtual type - not a real terminal */ | |
591 | if (iterm->type >> 16) { | |
592 | if (term_only) | |
593 | return 0; | |
594 | switch (iterm->type >> 16) { | |
de48c7bc | 595 | case UAC_SELECTOR_UNIT: |
1da177e4 | 596 | strcpy(name, "Selector"); return 8; |
de48c7bc | 597 | case UAC_PROCESSING_UNIT_V1: |
1da177e4 | 598 | strcpy(name, "Process Unit"); return 12; |
de48c7bc | 599 | case UAC_EXTENSION_UNIT_V1: |
1da177e4 | 600 | strcpy(name, "Ext Unit"); return 8; |
de48c7bc | 601 | case UAC_MIXER_UNIT: |
1da177e4 LT |
602 | strcpy(name, "Mixer"); return 5; |
603 | default: | |
604 | return sprintf(name, "Unit %d", iterm->id); | |
605 | } | |
606 | } | |
607 | ||
608 | switch (iterm->type & 0xff00) { | |
609 | case 0x0100: | |
610 | strcpy(name, "PCM"); return 3; | |
611 | case 0x0200: | |
612 | strcpy(name, "Mic"); return 3; | |
613 | case 0x0400: | |
614 | strcpy(name, "Headset"); return 7; | |
615 | case 0x0500: | |
616 | strcpy(name, "Phone"); return 5; | |
617 | } | |
618 | ||
619 | for (names = iterm_names; names->type; names++) | |
620 | if (names->type == iterm->type) { | |
621 | strcpy(name, names->name); | |
622 | return strlen(names->name); | |
623 | } | |
624 | return 0; | |
625 | } | |
626 | ||
627 | ||
628 | /* | |
629 | * parse the source unit recursively until it reaches to a terminal | |
630 | * or a branched unit. | |
631 | */ | |
86e07d34 | 632 | static int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term) |
1da177e4 LT |
633 | { |
634 | unsigned char *p1; | |
635 | ||
636 | memset(term, 0, sizeof(*term)); | |
637 | while ((p1 = find_audio_control_unit(state, id)) != NULL) { | |
638 | term->id = id; | |
639 | switch (p1[2]) { | |
de48c7bc | 640 | case UAC_INPUT_TERMINAL: |
1da177e4 LT |
641 | term->type = combine_word(p1 + 4); |
642 | term->channels = p1[7]; | |
643 | term->chconfig = combine_word(p1 + 8); | |
644 | term->name = p1[11]; | |
645 | return 0; | |
de48c7bc | 646 | case UAC_FEATURE_UNIT: |
1da177e4 LT |
647 | id = p1[4]; |
648 | break; /* continue to parse */ | |
de48c7bc | 649 | case UAC_MIXER_UNIT: |
1da177e4 LT |
650 | term->type = p1[2] << 16; /* virtual type */ |
651 | term->channels = p1[5 + p1[4]]; | |
652 | term->chconfig = combine_word(p1 + 6 + p1[4]); | |
653 | term->name = p1[p1[0] - 1]; | |
654 | return 0; | |
de48c7bc | 655 | case UAC_SELECTOR_UNIT: |
1da177e4 LT |
656 | /* call recursively to retrieve the channel info */ |
657 | if (check_input_term(state, p1[5], term) < 0) | |
658 | return -ENODEV; | |
659 | term->type = p1[2] << 16; /* virtual type */ | |
660 | term->id = id; | |
661 | term->name = p1[9 + p1[0] - 1]; | |
662 | return 0; | |
de48c7bc DM |
663 | case UAC_PROCESSING_UNIT_V1: |
664 | case UAC_EXTENSION_UNIT_V1: | |
1da177e4 LT |
665 | if (p1[6] == 1) { |
666 | id = p1[7]; | |
667 | break; /* continue to parse */ | |
668 | } | |
669 | term->type = p1[2] << 16; /* virtual type */ | |
670 | term->channels = p1[7 + p1[6]]; | |
671 | term->chconfig = combine_word(p1 + 8 + p1[6]); | |
672 | term->name = p1[12 + p1[6] + p1[11 + p1[6]]]; | |
673 | return 0; | |
674 | default: | |
675 | return -ENODEV; | |
676 | } | |
677 | } | |
678 | return -ENODEV; | |
679 | } | |
680 | ||
681 | ||
682 | /* | |
683 | * Feature Unit | |
684 | */ | |
685 | ||
686 | /* feature unit control information */ | |
687 | struct usb_feature_control_info { | |
688 | const char *name; | |
689 | unsigned int type; /* control type (mute, volume, etc.) */ | |
690 | }; | |
691 | ||
692 | static struct usb_feature_control_info audio_feature_info[] = { | |
693 | { "Mute", USB_MIXER_INV_BOOLEAN }, | |
694 | { "Volume", USB_MIXER_S16 }, | |
695 | { "Tone Control - Bass", USB_MIXER_S8 }, | |
696 | { "Tone Control - Mid", USB_MIXER_S8 }, | |
697 | { "Tone Control - Treble", USB_MIXER_S8 }, | |
698 | { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ | |
699 | { "Auto Gain Control", USB_MIXER_BOOLEAN }, | |
700 | { "Delay Control", USB_MIXER_U16 }, | |
701 | { "Bass Boost", USB_MIXER_BOOLEAN }, | |
702 | { "Loudness", USB_MIXER_BOOLEAN }, | |
703 | }; | |
704 | ||
705 | ||
706 | /* private_free callback */ | |
86e07d34 | 707 | static void usb_mixer_elem_free(struct snd_kcontrol *kctl) |
1da177e4 | 708 | { |
4d572776 JJ |
709 | kfree(kctl->private_data); |
710 | kctl->private_data = NULL; | |
1da177e4 LT |
711 | } |
712 | ||
713 | ||
714 | /* | |
715 | * interface to ALSA control for feature/mixer units | |
716 | */ | |
717 | ||
718 | /* | |
719 | * retrieve the minimum and maximum values for the specified control | |
720 | */ | |
86e07d34 | 721 | static int get_min_max(struct usb_mixer_elem_info *cval, int default_min) |
1da177e4 LT |
722 | { |
723 | /* for failsafe */ | |
724 | cval->min = default_min; | |
725 | cval->max = cval->min + 1; | |
726 | cval->res = 1; | |
c3a3e040 | 727 | cval->dBmin = cval->dBmax = 0; |
1da177e4 LT |
728 | |
729 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
730 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
731 | cval->initialized = 1; | |
732 | } else { | |
733 | int minchn = 0; | |
734 | if (cval->cmask) { | |
735 | int i; | |
736 | for (i = 0; i < MAX_CHANNELS; i++) | |
737 | if (cval->cmask & (1 << i)) { | |
738 | minchn = i + 1; | |
739 | break; | |
740 | } | |
741 | } | |
de48c7bc DM |
742 | if (get_ctl_value(cval, UAC_GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || |
743 | get_ctl_value(cval, UAC_GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { | |
84957a8a CL |
744 | snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", |
745 | cval->id, cval->mixer->ctrlif, cval->control, cval->id); | |
1da177e4 LT |
746 | return -EINVAL; |
747 | } | |
de48c7bc | 748 | if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { |
1da177e4 LT |
749 | cval->res = 1; |
750 | } else { | |
751 | int last_valid_res = cval->res; | |
752 | ||
753 | while (cval->res > 1) { | |
de48c7bc | 754 | if (set_ctl_value(cval, UAC_SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0) |
1da177e4 LT |
755 | break; |
756 | cval->res /= 2; | |
757 | } | |
de48c7bc | 758 | if (get_ctl_value(cval, UAC_GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) |
1da177e4 LT |
759 | cval->res = last_valid_res; |
760 | } | |
761 | if (cval->res == 0) | |
762 | cval->res = 1; | |
14790f1c TI |
763 | |
764 | /* Additional checks for the proper resolution | |
765 | * | |
766 | * Some devices report smaller resolutions than actually | |
767 | * reacting. They don't return errors but simply clip | |
768 | * to the lower aligned value. | |
769 | */ | |
770 | if (cval->min + cval->res < cval->max) { | |
771 | int last_valid_res = cval->res; | |
772 | int saved, test, check; | |
641b4879 | 773 | get_cur_mix_raw(cval, minchn, &saved); |
14790f1c TI |
774 | for (;;) { |
775 | test = saved; | |
776 | if (test < cval->max) | |
777 | test += cval->res; | |
778 | else | |
779 | test -= cval->res; | |
780 | if (test < cval->min || test > cval->max || | |
641b4879 TI |
781 | set_cur_mix_value(cval, minchn, 0, test) || |
782 | get_cur_mix_raw(cval, minchn, &check)) { | |
14790f1c TI |
783 | cval->res = last_valid_res; |
784 | break; | |
785 | } | |
786 | if (test == check) | |
787 | break; | |
788 | cval->res *= 2; | |
789 | } | |
641b4879 | 790 | set_cur_mix_value(cval, minchn, 0, saved); |
14790f1c TI |
791 | } |
792 | ||
1da177e4 LT |
793 | cval->initialized = 1; |
794 | } | |
c3a3e040 JK |
795 | |
796 | /* USB descriptions contain the dB scale in 1/256 dB unit | |
797 | * while ALSA TLV contains in 1/100 dB unit | |
798 | */ | |
799 | cval->dBmin = (convert_signed_value(cval, cval->min) * 100) / 256; | |
800 | cval->dBmax = (convert_signed_value(cval, cval->max) * 100) / 256; | |
801 | if (cval->dBmin > cval->dBmax) { | |
802 | /* something is wrong; assume it's either from/to 0dB */ | |
803 | if (cval->dBmin < 0) | |
804 | cval->dBmax = 0; | |
805 | else if (cval->dBmin > 0) | |
806 | cval->dBmin = 0; | |
807 | if (cval->dBmin > cval->dBmax) { | |
808 | /* totally crap, return an error */ | |
809 | return -EINVAL; | |
810 | } | |
811 | } | |
812 | ||
1da177e4 LT |
813 | return 0; |
814 | } | |
815 | ||
816 | ||
817 | /* get a feature/mixer unit info */ | |
86e07d34 | 818 | static int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 819 | { |
86e07d34 | 820 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
821 | |
822 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
823 | cval->val_type == USB_MIXER_INV_BOOLEAN) | |
824 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
825 | else | |
826 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
827 | uinfo->count = cval->channels; | |
828 | if (cval->val_type == USB_MIXER_BOOLEAN || | |
829 | cval->val_type == USB_MIXER_INV_BOOLEAN) { | |
830 | uinfo->value.integer.min = 0; | |
831 | uinfo->value.integer.max = 1; | |
832 | } else { | |
833 | if (! cval->initialized) | |
834 | get_min_max(cval, 0); | |
835 | uinfo->value.integer.min = 0; | |
14790f1c TI |
836 | uinfo->value.integer.max = |
837 | (cval->max - cval->min + cval->res - 1) / cval->res; | |
1da177e4 LT |
838 | } |
839 | return 0; | |
840 | } | |
841 | ||
842 | /* get the current value from feature/mixer unit */ | |
86e07d34 | 843 | static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 844 | { |
86e07d34 | 845 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
846 | int c, cnt, val, err; |
847 | ||
641b4879 | 848 | ucontrol->value.integer.value[0] = cval->min; |
1da177e4 LT |
849 | if (cval->cmask) { |
850 | cnt = 0; | |
851 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
852 | if (!(cval->cmask & (1 << c))) |
853 | continue; | |
854 | err = get_cur_mix_value(cval, c + 1, cnt, &val); | |
855 | if (err < 0) | |
856 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
857 | val = get_relative_value(cval, val); | |
858 | ucontrol->value.integer.value[cnt] = val; | |
859 | cnt++; | |
1da177e4 | 860 | } |
641b4879 | 861 | return 0; |
1da177e4 LT |
862 | } else { |
863 | /* master channel */ | |
641b4879 TI |
864 | err = get_cur_mix_value(cval, 0, 0, &val); |
865 | if (err < 0) | |
866 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
1da177e4 LT |
867 | val = get_relative_value(cval, val); |
868 | ucontrol->value.integer.value[0] = val; | |
869 | } | |
870 | return 0; | |
871 | } | |
872 | ||
873 | /* put the current value to feature/mixer unit */ | |
86e07d34 | 874 | static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 875 | { |
86e07d34 | 876 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
877 | int c, cnt, val, oval, err; |
878 | int changed = 0; | |
879 | ||
880 | if (cval->cmask) { | |
881 | cnt = 0; | |
882 | for (c = 0; c < MAX_CHANNELS; c++) { | |
641b4879 TI |
883 | if (!(cval->cmask & (1 << c))) |
884 | continue; | |
885 | err = get_cur_mix_value(cval, c + 1, cnt, &oval); | |
886 | if (err < 0) | |
887 | return cval->mixer->ignore_ctl_error ? 0 : err; | |
888 | val = ucontrol->value.integer.value[cnt]; | |
889 | val = get_abs_value(cval, val); | |
890 | if (oval != val) { | |
891 | set_cur_mix_value(cval, c + 1, cnt, val); | |
892 | changed = 1; | |
1da177e4 | 893 | } |
641b4879 | 894 | cnt++; |
1da177e4 LT |
895 | } |
896 | } else { | |
897 | /* master channel */ | |
641b4879 | 898 | err = get_cur_mix_value(cval, 0, 0, &oval); |
1da177e4 | 899 | if (err < 0) |
641b4879 | 900 | return cval->mixer->ignore_ctl_error ? 0 : err; |
1da177e4 LT |
901 | val = ucontrol->value.integer.value[0]; |
902 | val = get_abs_value(cval, val); | |
903 | if (val != oval) { | |
641b4879 | 904 | set_cur_mix_value(cval, 0, 0, val); |
1da177e4 LT |
905 | changed = 1; |
906 | } | |
907 | } | |
908 | return changed; | |
909 | } | |
910 | ||
86e07d34 | 911 | static struct snd_kcontrol_new usb_feature_unit_ctl = { |
1da177e4 LT |
912 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
913 | .name = "", /* will be filled later manually */ | |
914 | .info = mixer_ctl_feature_info, | |
915 | .get = mixer_ctl_feature_get, | |
916 | .put = mixer_ctl_feature_put, | |
917 | }; | |
918 | ||
919 | ||
920 | /* | |
921 | * build a feature control | |
922 | */ | |
923 | ||
08d1e635 TI |
924 | static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) |
925 | { | |
926 | return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); | |
927 | } | |
928 | ||
86e07d34 | 929 | static void build_feature_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 930 | unsigned int ctl_mask, int control, |
86e07d34 | 931 | struct usb_audio_term *iterm, int unitid) |
1da177e4 LT |
932 | { |
933 | unsigned int len = 0; | |
934 | int mapped_name = 0; | |
935 | int nameid = desc[desc[0] - 1]; | |
86e07d34 TI |
936 | struct snd_kcontrol *kctl; |
937 | struct usb_mixer_elem_info *cval; | |
c3a3e040 | 938 | const struct usbmix_name_map *map; |
1da177e4 LT |
939 | |
940 | control++; /* change from zero-based to 1-based value */ | |
941 | ||
45d76056 | 942 | if (control == UAC_GRAPHIC_EQUALIZER_CONTROL) { |
1da177e4 LT |
943 | /* FIXME: not supported yet */ |
944 | return; | |
945 | } | |
946 | ||
c3a3e040 JK |
947 | map = find_map(state, unitid, control); |
948 | if (check_ignored_ctl(map)) | |
1da177e4 LT |
949 | return; |
950 | ||
561b220a | 951 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
952 | if (! cval) { |
953 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
954 | return; | |
955 | } | |
84957a8a | 956 | cval->mixer = state->mixer; |
1da177e4 LT |
957 | cval->id = unitid; |
958 | cval->control = control; | |
959 | cval->cmask = ctl_mask; | |
960 | cval->val_type = audio_feature_info[control-1].type; | |
961 | if (ctl_mask == 0) | |
962 | cval->channels = 1; /* master channel */ | |
963 | else { | |
964 | int i, c = 0; | |
965 | for (i = 0; i < 16; i++) | |
966 | if (ctl_mask & (1 << i)) | |
967 | c++; | |
968 | cval->channels = c; | |
969 | } | |
970 | ||
971 | /* get min/max values */ | |
972 | get_min_max(cval, 0); | |
973 | ||
974 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
975 | if (! kctl) { | |
976 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
977 | kfree(cval); | |
978 | return; | |
979 | } | |
980 | kctl->private_free = usb_mixer_elem_free; | |
981 | ||
c3a3e040 | 982 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
983 | mapped_name = len != 0; |
984 | if (! len && nameid) | |
c3a3e040 JK |
985 | len = snd_usb_copy_string_desc(state, nameid, |
986 | kctl->id.name, sizeof(kctl->id.name)); | |
1da177e4 LT |
987 | |
988 | switch (control) { | |
45d76056 DM |
989 | case UAC_MUTE_CONTROL: |
990 | case UAC_VOLUME_CONTROL: | |
1da177e4 LT |
991 | /* determine the control name. the rule is: |
992 | * - if a name id is given in descriptor, use it. | |
993 | * - if the connected input can be determined, then use the name | |
994 | * of terminal type. | |
995 | * - if the connected output can be determined, use it. | |
996 | * - otherwise, anonymous name. | |
997 | */ | |
998 | if (! len) { | |
999 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
1000 | if (! len) | |
1001 | len = get_term_name(state, &state->oterm, kctl->id.name, sizeof(kctl->id.name), 1); | |
1002 | if (! len) | |
1003 | len = snprintf(kctl->id.name, sizeof(kctl->id.name), | |
1004 | "Feature %d", unitid); | |
1005 | } | |
1006 | /* determine the stream direction: | |
1007 | * if the connected output is USB stream, then it's likely a | |
1008 | * capture stream. otherwise it should be playback (hopefully :) | |
1009 | */ | |
1010 | if (! mapped_name && ! (state->oterm.type >> 16)) { | |
1011 | if ((state->oterm.type & 0xff00) == 0x0100) { | |
08d1e635 | 1012 | len = append_ctl_name(kctl, " Capture"); |
1da177e4 | 1013 | } else { |
08d1e635 | 1014 | len = append_ctl_name(kctl, " Playback"); |
1da177e4 LT |
1015 | } |
1016 | } | |
45d76056 | 1017 | append_ctl_name(kctl, control == UAC_MUTE_CONTROL ? |
08d1e635 | 1018 | " Switch" : " Volume"); |
45d76056 | 1019 | if (control == UAC_VOLUME_CONTROL) { |
7bc5ba7e TI |
1020 | kctl->tlv.c = mixer_vol_tlv; |
1021 | kctl->vd[0].access |= | |
1022 | SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
1023 | SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | |
c3a3e040 | 1024 | check_mapped_dB(map, cval); |
7bc5ba7e | 1025 | } |
1da177e4 LT |
1026 | break; |
1027 | ||
1028 | default: | |
1029 | if (! len) | |
1030 | strlcpy(kctl->id.name, audio_feature_info[control-1].name, | |
1031 | sizeof(kctl->id.name)); | |
1032 | break; | |
1033 | } | |
1034 | ||
2cf313ee | 1035 | /* volume control quirks */ |
27d10f56 CL |
1036 | switch (state->chip->usb_id) { |
1037 | case USB_ID(0x0471, 0x0101): | |
1038 | case USB_ID(0x0471, 0x0104): | |
1039 | case USB_ID(0x0471, 0x0105): | |
1040 | case USB_ID(0x0672, 0x1041): | |
2cf313ee AF |
1041 | /* quirk for UDA1321/N101. |
1042 | * note that detection between firmware 2.1.1.7 (N101) | |
1043 | * and later 2.1.1.21 is not very clear from datasheets. | |
1044 | * I hope that the min value is -15360 for newer firmware --jk | |
1045 | */ | |
27d10f56 CL |
1046 | if (!strcmp(kctl->id.name, "PCM Playback Volume") && |
1047 | cval->min == -15616) { | |
2cf313ee AF |
1048 | snd_printk(KERN_INFO |
1049 | "set volume quirk for UDA1321/N101 chip\n"); | |
27d10f56 CL |
1050 | cval->max = -256; |
1051 | } | |
2cf313ee AF |
1052 | break; |
1053 | ||
1054 | case USB_ID(0x046d, 0x09a4): | |
1055 | if (!strcmp(kctl->id.name, "Mic Capture Volume")) { | |
1056 | snd_printk(KERN_INFO | |
1057 | "set volume quirk for QuickCam E3500\n"); | |
1058 | cval->min = 6080; | |
1059 | cval->max = 8768; | |
1060 | cval->res = 192; | |
1061 | } | |
1062 | break; | |
1063 | ||
1da177e4 LT |
1064 | } |
1065 | ||
1066 | snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", | |
1067 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res); | |
84957a8a | 1068 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1069 | } |
1070 | ||
1071 | ||
1072 | ||
1073 | /* | |
1074 | * parse a feature unit | |
1075 | * | |
1076 | * most of controlls are defined here. | |
1077 | */ | |
28e1b773 | 1078 | static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void *_ftr) |
1da177e4 LT |
1079 | { |
1080 | int channels, i, j; | |
86e07d34 | 1081 | struct usb_audio_term iterm; |
1da177e4 LT |
1082 | unsigned int master_bits, first_ch_bits; |
1083 | int err, csize; | |
28e1b773 | 1084 | struct uac_feature_unit_descriptor *ftr = _ftr; |
1da177e4 | 1085 | |
28e1b773 | 1086 | if (ftr->bLength < 7 || ! (csize = ftr->bControlSize) || ftr->bLength < 7 + csize) { |
de48c7bc | 1087 | snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid); |
1da177e4 LT |
1088 | return -EINVAL; |
1089 | } | |
1090 | ||
1091 | /* parse the source unit */ | |
28e1b773 | 1092 | if ((err = parse_audio_unit(state, ftr->bSourceID)) < 0) |
1da177e4 LT |
1093 | return err; |
1094 | ||
1095 | /* determine the input source type and name */ | |
28e1b773 | 1096 | if (check_input_term(state, ftr->bSourceID, &iterm) < 0) |
1da177e4 LT |
1097 | return -EINVAL; |
1098 | ||
28e1b773 | 1099 | channels = (ftr->bLength - 7) / csize - 1; |
1da177e4 | 1100 | |
28e1b773 | 1101 | master_bits = snd_usb_combine_bytes(ftr->controls, csize); |
0c3cee57 JK |
1102 | /* master configuration quirks */ |
1103 | switch (state->chip->usb_id) { | |
1104 | case USB_ID(0x08bb, 0x2702): | |
1105 | snd_printk(KERN_INFO | |
1106 | "usbmixer: master volume quirk for PCM2702 chip\n"); | |
1107 | /* disable non-functional volume control */ | |
45d76056 | 1108 | master_bits &= ~UAC_FU_VOLUME; |
0c3cee57 JK |
1109 | break; |
1110 | } | |
1da177e4 | 1111 | if (channels > 0) |
28e1b773 | 1112 | first_ch_bits = snd_usb_combine_bytes(ftr->controls + csize, csize); |
1da177e4 LT |
1113 | else |
1114 | first_ch_bits = 0; | |
1115 | /* check all control types */ | |
1116 | for (i = 0; i < 10; i++) { | |
1117 | unsigned int ch_bits = 0; | |
1118 | for (j = 0; j < channels; j++) { | |
28e1b773 | 1119 | unsigned int mask = snd_usb_combine_bytes(ftr->controls + csize * (j+1), csize); |
1da177e4 LT |
1120 | if (mask & (1 << i)) |
1121 | ch_bits |= (1 << j); | |
1122 | } | |
1123 | if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ | |
28e1b773 | 1124 | build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid); |
1da177e4 | 1125 | if (master_bits & (1 << i)) |
28e1b773 | 1126 | build_feature_ctl(state, _ftr, 0, i, &iterm, unitid); |
1da177e4 LT |
1127 | } |
1128 | ||
1129 | return 0; | |
1130 | } | |
1131 | ||
1132 | ||
1133 | /* | |
1134 | * Mixer Unit | |
1135 | */ | |
1136 | ||
1137 | /* | |
1138 | * build a mixer unit control | |
1139 | * | |
1140 | * the callbacks are identical with feature unit. | |
1141 | * input channel number (zero based) is given in control field instead. | |
1142 | */ | |
1143 | ||
86e07d34 | 1144 | static void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc, |
1da177e4 | 1145 | int in_pin, int in_ch, int unitid, |
86e07d34 | 1146 | struct usb_audio_term *iterm) |
1da177e4 | 1147 | { |
86e07d34 | 1148 | struct usb_mixer_elem_info *cval; |
1da177e4 LT |
1149 | unsigned int input_pins = desc[4]; |
1150 | unsigned int num_outs = desc[5 + input_pins]; | |
1151 | unsigned int i, len; | |
86e07d34 | 1152 | struct snd_kcontrol *kctl; |
c3a3e040 | 1153 | const struct usbmix_name_map *map; |
1da177e4 | 1154 | |
c3a3e040 JK |
1155 | map = find_map(state, unitid, 0); |
1156 | if (check_ignored_ctl(map)) | |
1da177e4 LT |
1157 | return; |
1158 | ||
561b220a | 1159 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1160 | if (! cval) |
1161 | return; | |
1162 | ||
84957a8a | 1163 | cval->mixer = state->mixer; |
1da177e4 LT |
1164 | cval->id = unitid; |
1165 | cval->control = in_ch + 1; /* based on 1 */ | |
1166 | cval->val_type = USB_MIXER_S16; | |
1167 | for (i = 0; i < num_outs; i++) { | |
1168 | if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) { | |
1169 | cval->cmask |= (1 << i); | |
1170 | cval->channels++; | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | /* get min/max values */ | |
1175 | get_min_max(cval, 0); | |
1176 | ||
1177 | kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); | |
1178 | if (! kctl) { | |
1179 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1180 | kfree(cval); | |
1181 | return; | |
1182 | } | |
1183 | kctl->private_free = usb_mixer_elem_free; | |
1184 | ||
c3a3e040 | 1185 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1186 | if (! len) |
1187 | len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); | |
1188 | if (! len) | |
1189 | len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); | |
08d1e635 | 1190 | append_ctl_name(kctl, " Volume"); |
1da177e4 LT |
1191 | |
1192 | snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n", | |
1193 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1194 | add_control_to_empty(state, kctl); |
1da177e4 LT |
1195 | } |
1196 | ||
1197 | ||
1198 | /* | |
1199 | * parse a mixer unit | |
1200 | */ | |
86e07d34 | 1201 | static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 | 1202 | { |
86e07d34 | 1203 | struct usb_audio_term iterm; |
1da177e4 LT |
1204 | int input_pins, num_ins, num_outs; |
1205 | int pin, ich, err; | |
1206 | ||
1207 | if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) { | |
1208 | snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid); | |
1209 | return -EINVAL; | |
1210 | } | |
1211 | /* no bmControls field (e.g. Maya44) -> ignore */ | |
1212 | if (desc[0] <= 10 + input_pins) { | |
1213 | snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid); | |
1214 | return 0; | |
1215 | } | |
1216 | ||
1217 | num_ins = 0; | |
1218 | ich = 0; | |
1219 | for (pin = 0; pin < input_pins; pin++) { | |
1220 | err = parse_audio_unit(state, desc[5 + pin]); | |
1221 | if (err < 0) | |
1222 | return err; | |
1223 | err = check_input_term(state, desc[5 + pin], &iterm); | |
1224 | if (err < 0) | |
1225 | return err; | |
1226 | num_ins += iterm.channels; | |
1227 | for (; ich < num_ins; ++ich) { | |
1228 | int och, ich_has_controls = 0; | |
1229 | ||
1230 | for (och = 0; och < num_outs; ++och) { | |
1231 | if (check_matrix_bitmap(desc + 9 + input_pins, | |
1232 | ich, och, num_outs)) { | |
1233 | ich_has_controls = 1; | |
1234 | break; | |
1235 | } | |
1236 | } | |
1237 | if (ich_has_controls) | |
1238 | build_mixer_unit_ctl(state, desc, pin, ich, | |
1239 | unitid, &iterm); | |
1240 | } | |
1241 | } | |
1242 | return 0; | |
1243 | } | |
1244 | ||
1245 | ||
1246 | /* | |
1247 | * Processing Unit / Extension Unit | |
1248 | */ | |
1249 | ||
1250 | /* get callback for processing/extension unit */ | |
86e07d34 | 1251 | static int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1252 | { |
86e07d34 | 1253 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1254 | int err, val; |
1255 | ||
1256 | err = get_cur_ctl_value(cval, cval->control << 8, &val); | |
84957a8a | 1257 | if (err < 0 && cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1258 | ucontrol->value.integer.value[0] = cval->min; |
1259 | return 0; | |
1260 | } | |
1261 | if (err < 0) | |
1262 | return err; | |
1263 | val = get_relative_value(cval, val); | |
1264 | ucontrol->value.integer.value[0] = val; | |
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | /* put callback for processing/extension unit */ | |
86e07d34 | 1269 | static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1270 | { |
86e07d34 | 1271 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1272 | int val, oval, err; |
1273 | ||
1274 | err = get_cur_ctl_value(cval, cval->control << 8, &oval); | |
1275 | if (err < 0) { | |
84957a8a | 1276 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1277 | return 0; |
1278 | return err; | |
1279 | } | |
1280 | val = ucontrol->value.integer.value[0]; | |
1281 | val = get_abs_value(cval, val); | |
1282 | if (val != oval) { | |
1283 | set_cur_ctl_value(cval, cval->control << 8, val); | |
1284 | return 1; | |
1285 | } | |
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | /* alsa control interface for processing/extension unit */ | |
86e07d34 | 1290 | static struct snd_kcontrol_new mixer_procunit_ctl = { |
1da177e4 LT |
1291 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1292 | .name = "", /* will be filled later */ | |
1293 | .info = mixer_ctl_feature_info, | |
1294 | .get = mixer_ctl_procunit_get, | |
1295 | .put = mixer_ctl_procunit_put, | |
1296 | }; | |
1297 | ||
1298 | ||
1299 | /* | |
1300 | * predefined data for processing units | |
1301 | */ | |
1302 | struct procunit_value_info { | |
1303 | int control; | |
1304 | char *suffix; | |
1305 | int val_type; | |
1306 | int min_value; | |
1307 | }; | |
1308 | ||
1309 | struct procunit_info { | |
1310 | int type; | |
1311 | char *name; | |
1312 | struct procunit_value_info *values; | |
1313 | }; | |
1314 | ||
1315 | static struct procunit_value_info updown_proc_info[] = { | |
1316 | { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1317 | { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1318 | { 0 } | |
1319 | }; | |
1320 | static struct procunit_value_info prologic_proc_info[] = { | |
1321 | { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1322 | { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, | |
1323 | { 0 } | |
1324 | }; | |
1325 | static struct procunit_value_info threed_enh_proc_info[] = { | |
1326 | { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1327 | { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, | |
1328 | { 0 } | |
1329 | }; | |
1330 | static struct procunit_value_info reverb_proc_info[] = { | |
1331 | { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1332 | { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, | |
1333 | { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, | |
1334 | { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, | |
1335 | { 0 } | |
1336 | }; | |
1337 | static struct procunit_value_info chorus_proc_info[] = { | |
1338 | { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1339 | { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, | |
1340 | { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, | |
1341 | { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, | |
1342 | { 0 } | |
1343 | }; | |
1344 | static struct procunit_value_info dcr_proc_info[] = { | |
1345 | { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, | |
1346 | { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, | |
1347 | { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, | |
1348 | { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, | |
1349 | { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, | |
1350 | { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, | |
1351 | { 0 } | |
1352 | }; | |
1353 | ||
1354 | static struct procunit_info procunits[] = { | |
1355 | { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, | |
1356 | { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, | |
1357 | { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, | |
1358 | { USB_PROC_REVERB, "Reverb", reverb_proc_info }, | |
1359 | { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, | |
1360 | { USB_PROC_DCR, "DCR", dcr_proc_info }, | |
1361 | { 0 }, | |
1362 | }; | |
7d2b451e SK |
1363 | /* |
1364 | * predefined data for extension units | |
1365 | */ | |
1366 | static struct procunit_value_info clock_rate_xu_info[] = { | |
1367 | { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, | |
1368 | { 0 } | |
1369 | }; | |
1370 | static struct procunit_value_info clock_source_xu_info[] = { | |
1371 | { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, | |
1372 | { 0 } | |
1373 | }; | |
1374 | static struct procunit_value_info spdif_format_xu_info[] = { | |
1375 | { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, | |
1376 | { 0 } | |
1377 | }; | |
1378 | static struct procunit_value_info soft_limit_xu_info[] = { | |
1379 | { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, | |
1380 | { 0 } | |
1381 | }; | |
1382 | static struct procunit_info extunits[] = { | |
1383 | { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, | |
1384 | { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, | |
1385 | { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, | |
1386 | { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, | |
1387 | { 0 } | |
1388 | }; | |
1da177e4 LT |
1389 | /* |
1390 | * build a processing/extension unit | |
1391 | */ | |
86e07d34 | 1392 | static int build_audio_procunit(struct mixer_build *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name) |
1da177e4 LT |
1393 | { |
1394 | int num_ins = dsc[6]; | |
86e07d34 TI |
1395 | struct usb_mixer_elem_info *cval; |
1396 | struct snd_kcontrol *kctl; | |
1da177e4 LT |
1397 | int i, err, nameid, type, len; |
1398 | struct procunit_info *info; | |
1399 | struct procunit_value_info *valinfo; | |
c3a3e040 | 1400 | const struct usbmix_name_map *map; |
1da177e4 LT |
1401 | static struct procunit_value_info default_value_info[] = { |
1402 | { 0x01, "Switch", USB_MIXER_BOOLEAN }, | |
1403 | { 0 } | |
1404 | }; | |
1405 | static struct procunit_info default_info = { | |
1406 | 0, NULL, default_value_info | |
1407 | }; | |
1408 | ||
1409 | if (dsc[0] < 13 || dsc[0] < 13 + num_ins || dsc[0] < num_ins + dsc[11 + num_ins]) { | |
1410 | snd_printk(KERN_ERR "invalid %s descriptor (id %d)\n", name, unitid); | |
1411 | return -EINVAL; | |
1412 | } | |
1413 | ||
1414 | for (i = 0; i < num_ins; i++) { | |
1415 | if ((err = parse_audio_unit(state, dsc[7 + i])) < 0) | |
1416 | return err; | |
1417 | } | |
1418 | ||
1419 | type = combine_word(&dsc[4]); | |
1da177e4 LT |
1420 | for (info = list; info && info->type; info++) |
1421 | if (info->type == type) | |
1422 | break; | |
1423 | if (! info || ! info->type) | |
1424 | info = &default_info; | |
1425 | ||
1426 | for (valinfo = info->values; valinfo->control; valinfo++) { | |
1427 | /* FIXME: bitmap might be longer than 8bit */ | |
1428 | if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) | |
1429 | continue; | |
c3a3e040 JK |
1430 | map = find_map(state, unitid, valinfo->control); |
1431 | if (check_ignored_ctl(map)) | |
1da177e4 | 1432 | continue; |
561b220a | 1433 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1434 | if (! cval) { |
1435 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1436 | return -ENOMEM; | |
1437 | } | |
84957a8a | 1438 | cval->mixer = state->mixer; |
1da177e4 LT |
1439 | cval->id = unitid; |
1440 | cval->control = valinfo->control; | |
1441 | cval->val_type = valinfo->val_type; | |
1442 | cval->channels = 1; | |
1443 | ||
1444 | /* get min/max values */ | |
1445 | if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { | |
1446 | /* FIXME: hard-coded */ | |
1447 | cval->min = 1; | |
1448 | cval->max = dsc[15]; | |
1449 | cval->res = 1; | |
1450 | cval->initialized = 1; | |
7d2b451e SK |
1451 | } else { |
1452 | if (type == USB_XU_CLOCK_RATE) { | |
1453 | /* E-Mu USB 0404/0202/TrackerPre | |
1454 | * samplerate control quirk | |
1455 | */ | |
1456 | cval->min = 0; | |
1457 | cval->max = 5; | |
1458 | cval->res = 1; | |
1459 | cval->initialized = 1; | |
1460 | } else | |
1461 | get_min_max(cval, valinfo->min_value); | |
1462 | } | |
1da177e4 LT |
1463 | |
1464 | kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); | |
1465 | if (! kctl) { | |
1466 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1467 | kfree(cval); | |
1468 | return -ENOMEM; | |
1469 | } | |
1470 | kctl->private_free = usb_mixer_elem_free; | |
1471 | ||
c3a3e040 JK |
1472 | if (check_mapped_name(map, kctl->id.name, |
1473 | sizeof(kctl->id.name))) | |
1474 | /* nothing */ ; | |
1da177e4 LT |
1475 | else if (info->name) |
1476 | strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); | |
1477 | else { | |
1478 | nameid = dsc[12 + num_ins + dsc[11 + num_ins]]; | |
1479 | len = 0; | |
1480 | if (nameid) | |
1481 | len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1482 | if (! len) | |
1483 | strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); | |
1484 | } | |
08d1e635 TI |
1485 | append_ctl_name(kctl, " "); |
1486 | append_ctl_name(kctl, valinfo->suffix); | |
1da177e4 LT |
1487 | |
1488 | snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n", | |
1489 | cval->id, kctl->id.name, cval->channels, cval->min, cval->max); | |
84957a8a | 1490 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1491 | return err; |
1492 | } | |
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | ||
86e07d34 | 1497 | static int parse_audio_processing_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1498 | { |
1499 | return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit"); | |
1500 | } | |
1501 | ||
86e07d34 | 1502 | static int parse_audio_extension_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 | 1503 | { |
7d2b451e | 1504 | return build_audio_procunit(state, unitid, desc, extunits, "Extension Unit"); |
1da177e4 LT |
1505 | } |
1506 | ||
1507 | ||
1508 | /* | |
1509 | * Selector Unit | |
1510 | */ | |
1511 | ||
1512 | /* info callback for selector unit | |
1513 | * use an enumerator type for routing | |
1514 | */ | |
86e07d34 | 1515 | static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 | 1516 | { |
86e07d34 | 1517 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1518 | char **itemlist = (char **)kcontrol->private_value; |
1519 | ||
5e246b85 TI |
1520 | if (snd_BUG_ON(!itemlist)) |
1521 | return -EINVAL; | |
1da177e4 LT |
1522 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
1523 | uinfo->count = 1; | |
1524 | uinfo->value.enumerated.items = cval->max; | |
1525 | if ((int)uinfo->value.enumerated.item >= cval->max) | |
1526 | uinfo->value.enumerated.item = cval->max - 1; | |
1527 | strcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item]); | |
1528 | return 0; | |
1529 | } | |
1530 | ||
1531 | /* get callback for selector unit */ | |
86e07d34 | 1532 | static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1533 | { |
86e07d34 | 1534 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1535 | int val, err; |
1536 | ||
1537 | err = get_cur_ctl_value(cval, 0, &val); | |
1538 | if (err < 0) { | |
84957a8a | 1539 | if (cval->mixer->ignore_ctl_error) { |
1da177e4 LT |
1540 | ucontrol->value.enumerated.item[0] = 0; |
1541 | return 0; | |
1542 | } | |
1543 | return err; | |
1544 | } | |
1545 | val = get_relative_value(cval, val); | |
1546 | ucontrol->value.enumerated.item[0] = val; | |
1547 | return 0; | |
1548 | } | |
1549 | ||
1550 | /* put callback for selector unit */ | |
86e07d34 | 1551 | static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1552 | { |
86e07d34 | 1553 | struct usb_mixer_elem_info *cval = kcontrol->private_data; |
1da177e4 LT |
1554 | int val, oval, err; |
1555 | ||
1556 | err = get_cur_ctl_value(cval, 0, &oval); | |
1557 | if (err < 0) { | |
84957a8a | 1558 | if (cval->mixer->ignore_ctl_error) |
1da177e4 LT |
1559 | return 0; |
1560 | return err; | |
1561 | } | |
1562 | val = ucontrol->value.enumerated.item[0]; | |
1563 | val = get_abs_value(cval, val); | |
1564 | if (val != oval) { | |
1565 | set_cur_ctl_value(cval, 0, val); | |
1566 | return 1; | |
1567 | } | |
1568 | return 0; | |
1569 | } | |
1570 | ||
1571 | /* alsa control interface for selector unit */ | |
86e07d34 | 1572 | static struct snd_kcontrol_new mixer_selectunit_ctl = { |
1da177e4 LT |
1573 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1574 | .name = "", /* will be filled later */ | |
1575 | .info = mixer_ctl_selector_info, | |
1576 | .get = mixer_ctl_selector_get, | |
1577 | .put = mixer_ctl_selector_put, | |
1578 | }; | |
1579 | ||
1580 | ||
1581 | /* private free callback. | |
1582 | * free both private_data and private_value | |
1583 | */ | |
86e07d34 | 1584 | static void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) |
1da177e4 LT |
1585 | { |
1586 | int i, num_ins = 0; | |
1587 | ||
1588 | if (kctl->private_data) { | |
86e07d34 | 1589 | struct usb_mixer_elem_info *cval = kctl->private_data; |
1da177e4 LT |
1590 | num_ins = cval->max; |
1591 | kfree(cval); | |
1592 | kctl->private_data = NULL; | |
1593 | } | |
1594 | if (kctl->private_value) { | |
1595 | char **itemlist = (char **)kctl->private_value; | |
1596 | for (i = 0; i < num_ins; i++) | |
1597 | kfree(itemlist[i]); | |
1598 | kfree(itemlist); | |
1599 | kctl->private_value = 0; | |
1600 | } | |
1601 | } | |
1602 | ||
1603 | /* | |
1604 | * parse a selector unit | |
1605 | */ | |
86e07d34 | 1606 | static int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsigned char *desc) |
1da177e4 LT |
1607 | { |
1608 | unsigned int num_ins = desc[4]; | |
1609 | unsigned int i, nameid, len; | |
1610 | int err; | |
86e07d34 TI |
1611 | struct usb_mixer_elem_info *cval; |
1612 | struct snd_kcontrol *kctl; | |
c3a3e040 | 1613 | const struct usbmix_name_map *map; |
1da177e4 LT |
1614 | char **namelist; |
1615 | ||
38977e96 | 1616 | if (! num_ins || desc[0] < 5 + num_ins) { |
1da177e4 LT |
1617 | snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid); |
1618 | return -EINVAL; | |
1619 | } | |
1620 | ||
1621 | for (i = 0; i < num_ins; i++) { | |
1622 | if ((err = parse_audio_unit(state, desc[5 + i])) < 0) | |
1623 | return err; | |
1624 | } | |
1625 | ||
1626 | if (num_ins == 1) /* only one ? nonsense! */ | |
1627 | return 0; | |
1628 | ||
c3a3e040 JK |
1629 | map = find_map(state, unitid, 0); |
1630 | if (check_ignored_ctl(map)) | |
1da177e4 LT |
1631 | return 0; |
1632 | ||
561b220a | 1633 | cval = kzalloc(sizeof(*cval), GFP_KERNEL); |
1da177e4 LT |
1634 | if (! cval) { |
1635 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
1636 | return -ENOMEM; | |
1637 | } | |
84957a8a | 1638 | cval->mixer = state->mixer; |
1da177e4 LT |
1639 | cval->id = unitid; |
1640 | cval->val_type = USB_MIXER_U8; | |
1641 | cval->channels = 1; | |
1642 | cval->min = 1; | |
1643 | cval->max = num_ins; | |
1644 | cval->res = 1; | |
1645 | cval->initialized = 1; | |
1646 | ||
1647 | namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL); | |
1648 | if (! namelist) { | |
1649 | snd_printk(KERN_ERR "cannot malloc\n"); | |
1650 | kfree(cval); | |
1651 | return -ENOMEM; | |
1652 | } | |
1653 | #define MAX_ITEM_NAME_LEN 64 | |
1654 | for (i = 0; i < num_ins; i++) { | |
86e07d34 | 1655 | struct usb_audio_term iterm; |
1da177e4 LT |
1656 | len = 0; |
1657 | namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); | |
1658 | if (! namelist[i]) { | |
1659 | snd_printk(KERN_ERR "cannot malloc\n"); | |
7fbe3ca5 | 1660 | while (i--) |
1da177e4 LT |
1661 | kfree(namelist[i]); |
1662 | kfree(namelist); | |
1663 | kfree(cval); | |
1664 | return -ENOMEM; | |
1665 | } | |
8e062ec7 CL |
1666 | len = check_mapped_selector_name(state, unitid, i, namelist[i], |
1667 | MAX_ITEM_NAME_LEN); | |
1668 | if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0) | |
1da177e4 LT |
1669 | len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); |
1670 | if (! len) | |
1671 | sprintf(namelist[i], "Input %d", i); | |
1672 | } | |
1673 | ||
1674 | kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); | |
1675 | if (! kctl) { | |
1676 | snd_printk(KERN_ERR "cannot malloc kcontrol\n"); | |
878b4789 | 1677 | kfree(namelist); |
1da177e4 LT |
1678 | kfree(cval); |
1679 | return -ENOMEM; | |
1680 | } | |
1681 | kctl->private_value = (unsigned long)namelist; | |
1682 | kctl->private_free = usb_mixer_selector_elem_free; | |
1683 | ||
1684 | nameid = desc[desc[0] - 1]; | |
c3a3e040 | 1685 | len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)); |
1da177e4 LT |
1686 | if (len) |
1687 | ; | |
1688 | else if (nameid) | |
1689 | snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); | |
1690 | else { | |
1691 | len = get_term_name(state, &state->oterm, | |
1692 | kctl->id.name, sizeof(kctl->id.name), 0); | |
1693 | if (! len) | |
1694 | strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); | |
1695 | ||
1696 | if ((state->oterm.type & 0xff00) == 0x0100) | |
08d1e635 | 1697 | append_ctl_name(kctl, " Capture Source"); |
1da177e4 | 1698 | else |
08d1e635 | 1699 | append_ctl_name(kctl, " Playback Source"); |
1da177e4 LT |
1700 | } |
1701 | ||
1702 | snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n", | |
1703 | cval->id, kctl->id.name, num_ins); | |
84957a8a | 1704 | if ((err = add_control_to_empty(state, kctl)) < 0) |
1da177e4 LT |
1705 | return err; |
1706 | ||
1707 | return 0; | |
1708 | } | |
1709 | ||
1710 | ||
1711 | /* | |
1712 | * parse an audio unit recursively | |
1713 | */ | |
1714 | ||
86e07d34 | 1715 | static int parse_audio_unit(struct mixer_build *state, int unitid) |
1da177e4 LT |
1716 | { |
1717 | unsigned char *p1; | |
1718 | ||
1719 | if (test_and_set_bit(unitid, state->unitbitmap)) | |
1720 | return 0; /* the unit already visited */ | |
1721 | ||
1722 | p1 = find_audio_control_unit(state, unitid); | |
1723 | if (!p1) { | |
1724 | snd_printk(KERN_ERR "usbaudio: unit %d not found!\n", unitid); | |
1725 | return -EINVAL; | |
1726 | } | |
1727 | ||
1728 | switch (p1[2]) { | |
de48c7bc | 1729 | case UAC_INPUT_TERMINAL: |
1da177e4 | 1730 | return 0; /* NOP */ |
de48c7bc | 1731 | case UAC_MIXER_UNIT: |
1da177e4 | 1732 | return parse_audio_mixer_unit(state, unitid, p1); |
de48c7bc | 1733 | case UAC_SELECTOR_UNIT: |
1da177e4 | 1734 | return parse_audio_selector_unit(state, unitid, p1); |
de48c7bc | 1735 | case UAC_FEATURE_UNIT: |
1da177e4 | 1736 | return parse_audio_feature_unit(state, unitid, p1); |
de48c7bc | 1737 | case UAC_PROCESSING_UNIT_V1: |
1da177e4 | 1738 | return parse_audio_processing_unit(state, unitid, p1); |
de48c7bc | 1739 | case UAC_EXTENSION_UNIT_V1: |
1da177e4 LT |
1740 | return parse_audio_extension_unit(state, unitid, p1); |
1741 | default: | |
1742 | snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]); | |
1743 | return -EINVAL; | |
1744 | } | |
1745 | } | |
1746 | ||
84957a8a CL |
1747 | static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) |
1748 | { | |
6639b6c2 CL |
1749 | kfree(mixer->id_elems); |
1750 | if (mixer->urb) { | |
1751 | kfree(mixer->urb->transfer_buffer); | |
1752 | usb_free_urb(mixer->urb); | |
1753 | } | |
68df9de1 | 1754 | usb_free_urb(mixer->rc_urb); |
b259b10c | 1755 | kfree(mixer->rc_setup_packet); |
84957a8a CL |
1756 | kfree(mixer); |
1757 | } | |
1758 | ||
86e07d34 | 1759 | static int snd_usb_mixer_dev_free(struct snd_device *device) |
84957a8a CL |
1760 | { |
1761 | struct usb_mixer_interface *mixer = device->device_data; | |
1762 | snd_usb_mixer_free(mixer); | |
1763 | return 0; | |
1764 | } | |
1765 | ||
1da177e4 LT |
1766 | /* |
1767 | * create mixer controls | |
1768 | * | |
de48c7bc | 1769 | * walk through all UAC_OUTPUT_TERMINAL descriptors to search for mixers |
1da177e4 | 1770 | */ |
84957a8a | 1771 | static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) |
1da177e4 | 1772 | { |
28e1b773 | 1773 | struct uac_output_terminal_descriptor_v1 *desc; |
86e07d34 | 1774 | struct mixer_build state; |
1da177e4 LT |
1775 | int err; |
1776 | const struct usbmix_ctl_map *map; | |
84957a8a | 1777 | struct usb_host_interface *hostif; |
1da177e4 | 1778 | |
84957a8a | 1779 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; |
1da177e4 | 1780 | memset(&state, 0, sizeof(state)); |
84957a8a CL |
1781 | state.chip = mixer->chip; |
1782 | state.mixer = mixer; | |
1da177e4 LT |
1783 | state.buffer = hostif->extra; |
1784 | state.buflen = hostif->extralen; | |
1da177e4 LT |
1785 | |
1786 | /* check the mapping table */ | |
27d10f56 CL |
1787 | for (map = usbmix_ctl_maps; map->id; map++) { |
1788 | if (map->id == state.chip->usb_id) { | |
1da177e4 | 1789 | state.map = map->map; |
8e062ec7 | 1790 | state.selector_map = map->selector_map; |
84957a8a | 1791 | mixer->ignore_ctl_error = map->ignore_ctl_error; |
1da177e4 LT |
1792 | break; |
1793 | } | |
1794 | } | |
1da177e4 LT |
1795 | |
1796 | desc = NULL; | |
de48c7bc | 1797 | while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, UAC_OUTPUT_TERMINAL)) != NULL) { |
28e1b773 | 1798 | if (desc->bLength < 9) |
1da177e4 | 1799 | continue; /* invalid descriptor? */ |
28e1b773 DM |
1800 | set_bit(desc->bTerminalID, state.unitbitmap); /* mark terminal ID as visited */ |
1801 | state.oterm.id = desc->bTerminalID; | |
1802 | state.oterm.type = le16_to_cpu(desc->wTerminalType); | |
1803 | state.oterm.name = desc->iTerminal; | |
1804 | err = parse_audio_unit(&state, desc->bSourceID); | |
1da177e4 LT |
1805 | if (err < 0) |
1806 | return err; | |
1807 | } | |
1808 | return 0; | |
1809 | } | |
84957a8a | 1810 | |
6639b6c2 CL |
1811 | static void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, |
1812 | int unitid) | |
1813 | { | |
86e07d34 | 1814 | struct usb_mixer_elem_info *info; |
6639b6c2 CL |
1815 | |
1816 | for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem) | |
1817 | snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, | |
1818 | info->elem_id); | |
1819 | } | |
1820 | ||
ebfdeea3 JK |
1821 | static void snd_usb_mixer_dump_cval(struct snd_info_buffer *buffer, |
1822 | int unitid, | |
1823 | struct usb_mixer_elem_info *cval) | |
1824 | { | |
1825 | static char *val_types[] = {"BOOLEAN", "INV_BOOLEAN", | |
1826 | "S8", "U8", "S16", "U16"}; | |
1827 | snd_iprintf(buffer, " Unit: %i\n", unitid); | |
1828 | if (cval->elem_id) | |
1829 | snd_iprintf(buffer, " Control: name=\"%s\", index=%i\n", | |
1830 | cval->elem_id->name, cval->elem_id->index); | |
1831 | snd_iprintf(buffer, " Info: id=%i, control=%i, cmask=0x%x, " | |
1832 | "channels=%i, type=\"%s\"\n", cval->id, | |
1833 | cval->control, cval->cmask, cval->channels, | |
1834 | val_types[cval->val_type]); | |
1835 | snd_iprintf(buffer, " Volume: min=%i, max=%i, dBmin=%i, dBmax=%i\n", | |
1836 | cval->min, cval->max, cval->dBmin, cval->dBmax); | |
1837 | } | |
1838 | ||
1839 | static void snd_usb_mixer_proc_read(struct snd_info_entry *entry, | |
1840 | struct snd_info_buffer *buffer) | |
1841 | { | |
1842 | struct snd_usb_audio *chip = entry->private_data; | |
1843 | struct usb_mixer_interface *mixer; | |
1844 | struct usb_mixer_elem_info *cval; | |
1845 | int unitid; | |
1846 | ||
1847 | list_for_each_entry(mixer, &chip->mixer_list, list) { | |
1848 | snd_iprintf(buffer, | |
7affdc17 JK |
1849 | "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n", |
1850 | chip->usb_id, mixer->ctrlif, | |
1851 | mixer->ignore_ctl_error); | |
ebfdeea3 JK |
1852 | snd_iprintf(buffer, "Card: %s\n", chip->card->longname); |
1853 | for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) { | |
1854 | for (cval = mixer->id_elems[unitid]; cval; | |
1855 | cval = cval->next_id_elem) | |
1856 | snd_usb_mixer_dump_cval(buffer, unitid, cval); | |
1857 | } | |
1858 | } | |
1859 | } | |
1860 | ||
b259b10c CL |
1861 | static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer, |
1862 | int unitid) | |
1863 | { | |
4d1a70da | 1864 | if (!mixer->rc_cfg) |
aafad562 CL |
1865 | return; |
1866 | /* unit ids specific to Extigy/Audigy 2 NX: */ | |
1867 | switch (unitid) { | |
1868 | case 0: /* remote control */ | |
b259b10c CL |
1869 | mixer->rc_urb->dev = mixer->chip->dev; |
1870 | usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); | |
aafad562 CL |
1871 | break; |
1872 | case 4: /* digital in jack */ | |
1873 | case 7: /* line in jacks */ | |
1874 | case 19: /* speaker out jacks */ | |
1875 | case 20: /* headphones out jack */ | |
1876 | break; | |
69b1f1e8 TB |
1877 | /* live24ext: 4 = line-in jack */ |
1878 | case 3: /* hp-out jack (may actuate Mute) */ | |
3195954d AB |
1879 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
1880 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | |
69b1f1e8 TB |
1881 | snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); |
1882 | break; | |
aafad562 CL |
1883 | default: |
1884 | snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid); | |
1885 | break; | |
b259b10c CL |
1886 | } |
1887 | } | |
1888 | ||
7d12e780 | 1889 | static void snd_usb_mixer_status_complete(struct urb *urb) |
6639b6c2 CL |
1890 | { |
1891 | struct usb_mixer_interface *mixer = urb->context; | |
1892 | ||
1893 | if (urb->status == 0) { | |
1894 | u8 *buf = urb->transfer_buffer; | |
1895 | int i; | |
1896 | ||
1897 | for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) { | |
1898 | snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n", | |
1899 | buf[0], buf[1]); | |
1900 | /* ignore any notifications not from the control interface */ | |
1901 | if ((buf[0] & 0x0f) != 0) | |
1902 | continue; | |
1903 | if (!(buf[0] & 0x40)) | |
1904 | snd_usb_mixer_notify_id(mixer, buf[1]); | |
b259b10c CL |
1905 | else |
1906 | snd_usb_mixer_memory_change(mixer, buf[1]); | |
6639b6c2 CL |
1907 | } |
1908 | } | |
1909 | if (urb->status != -ENOENT && urb->status != -ECONNRESET) { | |
1910 | urb->dev = mixer->chip->dev; | |
1911 | usb_submit_urb(urb, GFP_ATOMIC); | |
1912 | } | |
1913 | } | |
1914 | ||
1915 | /* create the handler for the optional status interrupt endpoint */ | |
1916 | static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) | |
1917 | { | |
1918 | struct usb_host_interface *hostif; | |
1919 | struct usb_endpoint_descriptor *ep; | |
1920 | void *transfer_buffer; | |
1921 | int buffer_length; | |
1922 | unsigned int epnum; | |
1923 | ||
1924 | hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; | |
1925 | /* we need one interrupt input endpoint */ | |
1926 | if (get_iface_desc(hostif)->bNumEndpoints < 1) | |
1927 | return 0; | |
1928 | ep = get_endpoint(hostif, 0); | |
913ae5a2 | 1929 | if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) |
6639b6c2 CL |
1930 | return 0; |
1931 | ||
42a6e66f | 1932 | epnum = usb_endpoint_num(ep); |
6639b6c2 CL |
1933 | buffer_length = le16_to_cpu(ep->wMaxPacketSize); |
1934 | transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); | |
1935 | if (!transfer_buffer) | |
1936 | return -ENOMEM; | |
1937 | mixer->urb = usb_alloc_urb(0, GFP_KERNEL); | |
1938 | if (!mixer->urb) { | |
1939 | kfree(transfer_buffer); | |
1940 | return -ENOMEM; | |
1941 | } | |
1942 | usb_fill_int_urb(mixer->urb, mixer->chip->dev, | |
1943 | usb_rcvintpipe(mixer->chip->dev, epnum), | |
1944 | transfer_buffer, buffer_length, | |
1945 | snd_usb_mixer_status_complete, mixer, ep->bInterval); | |
1946 | usb_submit_urb(mixer->urb, GFP_KERNEL); | |
1947 | return 0; | |
1948 | } | |
1949 | ||
7d12e780 | 1950 | static void snd_usb_soundblaster_remote_complete(struct urb *urb) |
b259b10c CL |
1951 | { |
1952 | struct usb_mixer_interface *mixer = urb->context; | |
4d1a70da | 1953 | const struct rc_config *rc = mixer->rc_cfg; |
b259b10c CL |
1954 | u32 code; |
1955 | ||
b9c196e1 | 1956 | if (urb->status < 0 || urb->actual_length < rc->min_packet_length) |
b259b10c | 1957 | return; |
4d1a70da RC |
1958 | |
1959 | code = mixer->rc_buffer[rc->offset]; | |
1960 | if (rc->length == 2) | |
1961 | code |= mixer->rc_buffer[rc->offset + 1] << 8; | |
1962 | ||
b259b10c | 1963 | /* the Mute button actually changes the mixer control */ |
4d1a70da RC |
1964 | if (code == rc->mute_code) |
1965 | snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); | |
b259b10c CL |
1966 | mixer->rc_code = code; |
1967 | wmb(); | |
1968 | wake_up(&mixer->rc_waitq); | |
1969 | } | |
1970 | ||
86e07d34 | 1971 | static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, |
b259b10c CL |
1972 | long count, loff_t *offset) |
1973 | { | |
1974 | struct usb_mixer_interface *mixer = hw->private_data; | |
1975 | int err; | |
1976 | u32 rc_code; | |
1977 | ||
434b7f56 | 1978 | if (count != 1 && count != 4) |
b259b10c CL |
1979 | return -EINVAL; |
1980 | err = wait_event_interruptible(mixer->rc_waitq, | |
1981 | (rc_code = xchg(&mixer->rc_code, 0)) != 0); | |
1982 | if (err == 0) { | |
434b7f56 CL |
1983 | if (count == 1) |
1984 | err = put_user(rc_code, buf); | |
1985 | else | |
1986 | err = put_user(rc_code, (u32 __user *)buf); | |
b259b10c CL |
1987 | } |
1988 | return err < 0 ? err : count; | |
1989 | } | |
1990 | ||
86e07d34 | 1991 | static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, |
b259b10c CL |
1992 | poll_table *wait) |
1993 | { | |
1994 | struct usb_mixer_interface *mixer = hw->private_data; | |
1995 | ||
1996 | poll_wait(file, &mixer->rc_waitq, wait); | |
1997 | return mixer->rc_code ? POLLIN | POLLRDNORM : 0; | |
1998 | } | |
1999 | ||
2000 | static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) | |
2001 | { | |
86e07d34 | 2002 | struct snd_hwdep *hwdep; |
4d1a70da | 2003 | int err, len, i; |
b259b10c | 2004 | |
4d1a70da RC |
2005 | for (i = 0; i < ARRAY_SIZE(rc_configs); ++i) |
2006 | if (rc_configs[i].usb_id == mixer->chip->usb_id) | |
2007 | break; | |
2008 | if (i >= ARRAY_SIZE(rc_configs)) | |
b259b10c | 2009 | return 0; |
4d1a70da | 2010 | mixer->rc_cfg = &rc_configs[i]; |
b259b10c | 2011 | |
4d1a70da RC |
2012 | len = mixer->rc_cfg->packet_length; |
2013 | ||
b259b10c CL |
2014 | init_waitqueue_head(&mixer->rc_waitq); |
2015 | err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); | |
2016 | if (err < 0) | |
2017 | return err; | |
2018 | snprintf(hwdep->name, sizeof(hwdep->name), | |
2019 | "%s remote control", mixer->chip->card->shortname); | |
2020 | hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; | |
2021 | hwdep->private_data = mixer; | |
2022 | hwdep->ops.read = snd_usb_sbrc_hwdep_read; | |
b259b10c | 2023 | hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; |
28b7e343 | 2024 | hwdep->exclusive = 1; |
b259b10c CL |
2025 | |
2026 | mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); | |
2027 | if (!mixer->rc_urb) | |
2028 | return -ENOMEM; | |
2029 | mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); | |
2030 | if (!mixer->rc_setup_packet) { | |
2031 | usb_free_urb(mixer->rc_urb); | |
2032 | mixer->rc_urb = NULL; | |
2033 | return -ENOMEM; | |
2034 | } | |
2035 | mixer->rc_setup_packet->bRequestType = | |
2036 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; | |
de48c7bc | 2037 | mixer->rc_setup_packet->bRequest = UAC_GET_MEM; |
b259b10c CL |
2038 | mixer->rc_setup_packet->wValue = cpu_to_le16(0); |
2039 | mixer->rc_setup_packet->wIndex = cpu_to_le16(0); | |
2040 | mixer->rc_setup_packet->wLength = cpu_to_le16(len); | |
2041 | usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, | |
2042 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
2043 | (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, | |
2044 | snd_usb_soundblaster_remote_complete, mixer); | |
2045 | return 0; | |
2046 | } | |
2047 | ||
a5ce8890 | 2048 | #define snd_audigy2nx_led_info snd_ctl_boolean_mono_info |
93446edc | 2049 | |
86e07d34 | 2050 | static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
2051 | { |
2052 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2053 | int index = kcontrol->private_value; | |
2054 | ||
2055 | ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index]; | |
2056 | return 0; | |
2057 | } | |
2058 | ||
86e07d34 | 2059 | static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
93446edc CL |
2060 | { |
2061 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2062 | int index = kcontrol->private_value; | |
2063 | int value = ucontrol->value.integer.value[0]; | |
2064 | int err, changed; | |
2065 | ||
2066 | if (value > 1) | |
2067 | return -EINVAL; | |
2068 | changed = value != mixer->audigy2nx_leds[index]; | |
2069 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2070 | usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, | |
2071 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
2072 | value, index + 2, NULL, 0, 100); | |
2073 | if (err < 0) | |
2074 | return err; | |
2075 | mixer->audigy2nx_leds[index] = value; | |
2076 | return changed; | |
2077 | } | |
2078 | ||
86e07d34 | 2079 | static struct snd_kcontrol_new snd_audigy2nx_controls[] = { |
93446edc CL |
2080 | { |
2081 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2082 | .name = "CMSS LED Switch", | |
2083 | .info = snd_audigy2nx_led_info, | |
2084 | .get = snd_audigy2nx_led_get, | |
2085 | .put = snd_audigy2nx_led_put, | |
2086 | .private_value = 0, | |
2087 | }, | |
2088 | { | |
2089 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2090 | .name = "Power LED Switch", | |
2091 | .info = snd_audigy2nx_led_info, | |
2092 | .get = snd_audigy2nx_led_get, | |
2093 | .put = snd_audigy2nx_led_put, | |
2094 | .private_value = 1, | |
2095 | }, | |
2096 | { | |
2097 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2098 | .name = "Dolby Digital LED Switch", | |
2099 | .info = snd_audigy2nx_led_info, | |
2100 | .get = snd_audigy2nx_led_get, | |
2101 | .put = snd_audigy2nx_led_put, | |
2102 | .private_value = 2, | |
2103 | }, | |
2104 | }; | |
2105 | ||
2106 | static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) | |
2107 | { | |
2108 | int i, err; | |
2109 | ||
2110 | for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { | |
3195954d AB |
2111 | if (i > 1 && /* Live24ext has 2 LEDs only */ |
2112 | (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || | |
2113 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) | |
69b1f1e8 | 2114 | break; |
93446edc CL |
2115 | err = snd_ctl_add(mixer->chip->card, |
2116 | snd_ctl_new1(&snd_audigy2nx_controls[i], mixer)); | |
2117 | if (err < 0) | |
2118 | return err; | |
2119 | } | |
2120 | mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */ | |
2121 | return 0; | |
2122 | } | |
2123 | ||
86e07d34 TI |
2124 | static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, |
2125 | struct snd_info_buffer *buffer) | |
aafad562 | 2126 | { |
69b1f1e8 | 2127 | static const struct sb_jack { |
aafad562 CL |
2128 | int unitid; |
2129 | const char *name; | |
69b1f1e8 | 2130 | } jacks_audigy2nx[] = { |
aafad562 CL |
2131 | {4, "dig in "}, |
2132 | {7, "line in"}, | |
2133 | {19, "spk out"}, | |
2134 | {20, "hph out"}, | |
69b1f1e8 TB |
2135 | {-1, NULL} |
2136 | }, jacks_live24ext[] = { | |
2137 | {4, "line in"}, /* &1=Line, &2=Mic*/ | |
2138 | {3, "hph out"}, /* headphones */ | |
2139 | {0, "RC "}, /* last command, 6 bytes see rc_config above */ | |
2140 | {-1, NULL} | |
aafad562 | 2141 | }; |
69b1f1e8 | 2142 | const struct sb_jack *jacks; |
aafad562 CL |
2143 | struct usb_mixer_interface *mixer = entry->private_data; |
2144 | int i, err; | |
2145 | u8 buf[3]; | |
2146 | ||
2147 | snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); | |
69b1f1e8 TB |
2148 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) |
2149 | jacks = jacks_audigy2nx; | |
3195954d AB |
2150 | else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
2151 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) | |
69b1f1e8 TB |
2152 | jacks = jacks_live24ext; |
2153 | else | |
2154 | return; | |
2155 | ||
2156 | for (i = 0; jacks[i].name; ++i) { | |
aafad562 CL |
2157 | snd_iprintf(buffer, "%s: ", jacks[i].name); |
2158 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2159 | usb_rcvctrlpipe(mixer->chip->dev, 0), | |
de48c7bc | 2160 | UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | |
aafad562 CL |
2161 | USB_RECIP_INTERFACE, 0, |
2162 | jacks[i].unitid << 8, buf, 3, 100); | |
69b1f1e8 | 2163 | if (err == 3 && (buf[0] == 3 || buf[0] == 6)) |
aafad562 CL |
2164 | snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); |
2165 | else | |
2166 | snd_iprintf(buffer, "?\n"); | |
2167 | } | |
2168 | } | |
2169 | ||
468b8fde CL |
2170 | static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, |
2171 | struct snd_ctl_elem_value *ucontrol) | |
2172 | { | |
2173 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2174 | ||
2175 | ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02); | |
2176 | return 0; | |
2177 | } | |
2178 | ||
2179 | static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, | |
2180 | struct snd_ctl_elem_value *ucontrol) | |
2181 | { | |
2182 | struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); | |
2183 | u8 old_status, new_status; | |
2184 | int err, changed; | |
2185 | ||
2186 | old_status = mixer->xonar_u1_status; | |
2187 | if (ucontrol->value.integer.value[0]) | |
2188 | new_status = old_status | 0x02; | |
2189 | else | |
2190 | new_status = old_status & ~0x02; | |
2191 | changed = new_status != old_status; | |
2192 | err = snd_usb_ctl_msg(mixer->chip->dev, | |
2193 | usb_sndctrlpipe(mixer->chip->dev, 0), 0x08, | |
2194 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
2195 | 50, 0, &new_status, 1, 100); | |
2196 | if (err < 0) | |
2197 | return err; | |
2198 | mixer->xonar_u1_status = new_status; | |
2199 | return changed; | |
2200 | } | |
2201 | ||
2202 | static struct snd_kcontrol_new snd_xonar_u1_output_switch = { | |
2203 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
2204 | .name = "Digital Playback Switch", | |
2205 | .info = snd_ctl_boolean_mono_info, | |
2206 | .get = snd_xonar_u1_switch_get, | |
2207 | .put = snd_xonar_u1_switch_put, | |
2208 | }; | |
2209 | ||
2210 | static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) | |
2211 | { | |
2212 | int err; | |
2213 | ||
2214 | err = snd_ctl_add(mixer->chip->card, | |
2215 | snd_ctl_new1(&snd_xonar_u1_output_switch, mixer)); | |
2216 | if (err < 0) | |
2217 | return err; | |
2218 | mixer->xonar_u1_status = 0x05; | |
2219 | return 0; | |
2220 | } | |
2221 | ||
7d2b451e | 2222 | void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, |
ebfdeea3 | 2223 | unsigned char samplerate_id) |
7d2b451e | 2224 | { |
ebfdeea3 JK |
2225 | struct usb_mixer_interface *mixer; |
2226 | struct usb_mixer_elem_info *cval; | |
2227 | int unitid = 12; /* SamleRate ExtensionUnit ID */ | |
7d2b451e | 2228 | |
ebfdeea3 JK |
2229 | list_for_each_entry(mixer, &chip->mixer_list, list) { |
2230 | cval = mixer->id_elems[unitid]; | |
2231 | if (cval) { | |
2232 | set_cur_ctl_value(cval, cval->control << 8, | |
2233 | samplerate_id); | |
7d2b451e | 2234 | snd_usb_mixer_notify_id(mixer, unitid); |
ebfdeea3 JK |
2235 | } |
2236 | break; | |
2237 | } | |
7d2b451e SK |
2238 | } |
2239 | ||
7a9b8063 TI |
2240 | int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, |
2241 | int ignore_error) | |
84957a8a | 2242 | { |
86e07d34 | 2243 | static struct snd_device_ops dev_ops = { |
84957a8a CL |
2244 | .dev_free = snd_usb_mixer_dev_free |
2245 | }; | |
2246 | struct usb_mixer_interface *mixer; | |
ebfdeea3 | 2247 | struct snd_info_entry *entry; |
7b8a043f DM |
2248 | struct usb_host_interface *host_iface; |
2249 | int err, protocol; | |
84957a8a CL |
2250 | |
2251 | strcpy(chip->card->mixername, "USB Mixer"); | |
2252 | ||
561b220a | 2253 | mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); |
84957a8a CL |
2254 | if (!mixer) |
2255 | return -ENOMEM; | |
2256 | mixer->chip = chip; | |
2257 | mixer->ctrlif = ctrlif; | |
7a9b8063 | 2258 | mixer->ignore_ctl_error = ignore_error; |
291186e0 JK |
2259 | mixer->id_elems = kcalloc(MAX_ID_ELEMS, sizeof(*mixer->id_elems), |
2260 | GFP_KERNEL); | |
6639b6c2 CL |
2261 | if (!mixer->id_elems) { |
2262 | kfree(mixer); | |
2263 | return -ENOMEM; | |
2264 | } | |
84957a8a | 2265 | |
7b8a043f DM |
2266 | host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; |
2267 | protocol = host_iface->desc.bInterfaceProtocol; | |
2268 | ||
2269 | /* FIXME! */ | |
2270 | if (protocol != UAC_VERSION_1) { | |
2271 | snd_printk(KERN_WARNING "mixer interface protocol 0x%02x not yet supported\n", | |
2272 | protocol); | |
2273 | return 0; | |
2274 | } | |
2275 | ||
6639b6c2 | 2276 | if ((err = snd_usb_mixer_controls(mixer)) < 0 || |
93446edc CL |
2277 | (err = snd_usb_mixer_status_create(mixer)) < 0) |
2278 | goto _error; | |
84957a8a | 2279 | |
93446edc CL |
2280 | if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) |
2281 | goto _error; | |
2282 | ||
69b1f1e8 | 2283 | if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) || |
3195954d AB |
2284 | mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || |
2285 | mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) { | |
93446edc CL |
2286 | if ((err = snd_audigy2nx_controls_create(mixer)) < 0) |
2287 | goto _error; | |
aafad562 | 2288 | if (!snd_card_proc_new(chip->card, "audigy2nx", &entry)) |
bf850204 | 2289 | snd_info_set_text_ops(entry, mixer, |
aafad562 | 2290 | snd_audigy2nx_proc_read); |
b259b10c CL |
2291 | } |
2292 | ||
468b8fde CL |
2293 | if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) || |
2294 | mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) { | |
2295 | err = snd_xonar_u1_controls_create(mixer); | |
2296 | if (err < 0) | |
2297 | goto _error; | |
2298 | } | |
2299 | ||
84957a8a | 2300 | err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); |
93446edc CL |
2301 | if (err < 0) |
2302 | goto _error; | |
ebfdeea3 JK |
2303 | |
2304 | if (list_empty(&chip->mixer_list) && | |
2305 | !snd_card_proc_new(chip->card, "usbmixer", &entry)) | |
2306 | snd_info_set_text_ops(entry, chip, snd_usb_mixer_proc_read); | |
2307 | ||
84957a8a CL |
2308 | list_add(&mixer->list, &chip->mixer_list); |
2309 | return 0; | |
93446edc CL |
2310 | |
2311 | _error: | |
2312 | snd_usb_mixer_free(mixer); | |
2313 | return err; | |
84957a8a CL |
2314 | } |
2315 | ||
2316 | void snd_usb_mixer_disconnect(struct list_head *p) | |
2317 | { | |
6639b6c2 CL |
2318 | struct usb_mixer_interface *mixer; |
2319 | ||
2320 | mixer = list_entry(p, struct usb_mixer_interface, list); | |
68df9de1 MK |
2321 | usb_kill_urb(mixer->urb); |
2322 | usb_kill_urb(mixer->rc_urb); | |
84957a8a | 2323 | } |