Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * OSS emulation layer for the mixer interface | |
c1017a4c | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
4 | * |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
1da177e4 | 22 | #include <linux/init.h> |
1da177e4 LT |
23 | #include <linux/slab.h> |
24 | #include <linux/time.h> | |
543537bd | 25 | #include <linux/string.h> |
da155d5b | 26 | #include <linux/module.h> |
83266b6b | 27 | #include <linux/compat.h> |
1da177e4 LT |
28 | #include <sound/core.h> |
29 | #include <sound/minors.h> | |
30 | #include <sound/control.h> | |
31 | #include <sound/info.h> | |
32 | #include <sound/mixer_oss.h> | |
33 | #include <linux/soundcard.h> | |
34 | ||
35 | #define OSS_ALSAEMULVER _SIOR ('M', 249, int) | |
36 | ||
c1017a4c | 37 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
1da177e4 LT |
38 | MODULE_DESCRIPTION("Mixer OSS emulation for ALSA."); |
39 | MODULE_LICENSE("GPL"); | |
40 | MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_MIXER); | |
41 | ||
42 | static int snd_mixer_oss_open(struct inode *inode, struct file *file) | |
43 | { | |
f956b4a3 TI |
44 | struct snd_card *card; |
45 | struct snd_mixer_oss_file *fmixer; | |
1da177e4 LT |
46 | int err; |
47 | ||
02f4865f TI |
48 | err = nonseekable_open(inode, file); |
49 | if (err < 0) | |
50 | return err; | |
51 | ||
f87135f5 CL |
52 | card = snd_lookup_oss_minor_data(iminor(inode), |
53 | SNDRV_OSS_DEVICE_TYPE_MIXER); | |
54 | if (card == NULL) | |
1da177e4 | 55 | return -ENODEV; |
a0830dbd TI |
56 | if (card->mixer_oss == NULL) { |
57 | snd_card_unref(card); | |
1da177e4 | 58 | return -ENODEV; |
a0830dbd | 59 | } |
1da177e4 | 60 | err = snd_card_file_add(card, file); |
a0830dbd TI |
61 | if (err < 0) { |
62 | snd_card_unref(card); | |
1da177e4 | 63 | return err; |
a0830dbd | 64 | } |
ca2c0966 | 65 | fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL); |
1da177e4 LT |
66 | if (fmixer == NULL) { |
67 | snd_card_file_remove(card, file); | |
a0830dbd | 68 | snd_card_unref(card); |
1da177e4 LT |
69 | return -ENOMEM; |
70 | } | |
71 | fmixer->card = card; | |
72 | fmixer->mixer = card->mixer_oss; | |
73 | file->private_data = fmixer; | |
74 | if (!try_module_get(card->module)) { | |
75 | kfree(fmixer); | |
76 | snd_card_file_remove(card, file); | |
a0830dbd | 77 | snd_card_unref(card); |
1da177e4 LT |
78 | return -EFAULT; |
79 | } | |
8bb4d9ce | 80 | snd_card_unref(card); |
1da177e4 LT |
81 | return 0; |
82 | } | |
83 | ||
84 | static int snd_mixer_oss_release(struct inode *inode, struct file *file) | |
85 | { | |
f956b4a3 | 86 | struct snd_mixer_oss_file *fmixer; |
1da177e4 LT |
87 | |
88 | if (file->private_data) { | |
9fe856e4 | 89 | fmixer = file->private_data; |
1da177e4 LT |
90 | module_put(fmixer->card->module); |
91 | snd_card_file_remove(fmixer->card, file); | |
92 | kfree(fmixer); | |
93 | } | |
94 | return 0; | |
95 | } | |
96 | ||
f956b4a3 | 97 | static int snd_mixer_oss_info(struct snd_mixer_oss_file *fmixer, |
1da177e4 LT |
98 | mixer_info __user *_info) |
99 | { | |
f956b4a3 TI |
100 | struct snd_card *card = fmixer->card; |
101 | struct snd_mixer_oss *mixer = fmixer->mixer; | |
1da177e4 LT |
102 | struct mixer_info info; |
103 | ||
104 | memset(&info, 0, sizeof(info)); | |
105 | strlcpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id)); | |
106 | strlcpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name)); | |
107 | info.modify_counter = card->mixer_oss_change_count; | |
108 | if (copy_to_user(_info, &info, sizeof(info))) | |
109 | return -EFAULT; | |
110 | return 0; | |
111 | } | |
112 | ||
f956b4a3 | 113 | static int snd_mixer_oss_info_obsolete(struct snd_mixer_oss_file *fmixer, |
1da177e4 LT |
114 | _old_mixer_info __user *_info) |
115 | { | |
f956b4a3 TI |
116 | struct snd_card *card = fmixer->card; |
117 | struct snd_mixer_oss *mixer = fmixer->mixer; | |
1da177e4 LT |
118 | _old_mixer_info info; |
119 | ||
120 | memset(&info, 0, sizeof(info)); | |
121 | strlcpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id)); | |
122 | strlcpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name)); | |
123 | if (copy_to_user(_info, &info, sizeof(info))) | |
124 | return -EFAULT; | |
125 | return 0; | |
126 | } | |
127 | ||
f956b4a3 | 128 | static int snd_mixer_oss_caps(struct snd_mixer_oss_file *fmixer) |
1da177e4 | 129 | { |
f956b4a3 | 130 | struct snd_mixer_oss *mixer = fmixer->mixer; |
1da177e4 LT |
131 | int result = 0; |
132 | ||
133 | if (mixer == NULL) | |
134 | return -EIO; | |
135 | if (mixer->get_recsrc && mixer->put_recsrc) | |
136 | result |= SOUND_CAP_EXCL_INPUT; | |
137 | return result; | |
138 | } | |
139 | ||
f956b4a3 | 140 | static int snd_mixer_oss_devmask(struct snd_mixer_oss_file *fmixer) |
1da177e4 | 141 | { |
f956b4a3 TI |
142 | struct snd_mixer_oss *mixer = fmixer->mixer; |
143 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 LT |
144 | int result = 0, chn; |
145 | ||
146 | if (mixer == NULL) | |
147 | return -EIO; | |
148 | for (chn = 0; chn < 31; chn++) { | |
149 | pslot = &mixer->slots[chn]; | |
150 | if (pslot->put_volume || pslot->put_recsrc) | |
151 | result |= 1 << chn; | |
152 | } | |
153 | return result; | |
154 | } | |
155 | ||
f956b4a3 | 156 | static int snd_mixer_oss_stereodevs(struct snd_mixer_oss_file *fmixer) |
1da177e4 | 157 | { |
f956b4a3 TI |
158 | struct snd_mixer_oss *mixer = fmixer->mixer; |
159 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 LT |
160 | int result = 0, chn; |
161 | ||
162 | if (mixer == NULL) | |
163 | return -EIO; | |
164 | for (chn = 0; chn < 31; chn++) { | |
165 | pslot = &mixer->slots[chn]; | |
166 | if (pslot->put_volume && pslot->stereo) | |
167 | result |= 1 << chn; | |
168 | } | |
169 | return result; | |
170 | } | |
171 | ||
f956b4a3 | 172 | static int snd_mixer_oss_recmask(struct snd_mixer_oss_file *fmixer) |
1da177e4 | 173 | { |
f956b4a3 | 174 | struct snd_mixer_oss *mixer = fmixer->mixer; |
1da177e4 LT |
175 | int result = 0; |
176 | ||
177 | if (mixer == NULL) | |
178 | return -EIO; | |
179 | if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */ | |
180 | result = mixer->mask_recsrc; | |
181 | } else { | |
f956b4a3 | 182 | struct snd_mixer_oss_slot *pslot; |
1da177e4 LT |
183 | int chn; |
184 | for (chn = 0; chn < 31; chn++) { | |
185 | pslot = &mixer->slots[chn]; | |
186 | if (pslot->put_recsrc) | |
187 | result |= 1 << chn; | |
188 | } | |
189 | } | |
190 | return result; | |
191 | } | |
192 | ||
f956b4a3 | 193 | static int snd_mixer_oss_get_recsrc(struct snd_mixer_oss_file *fmixer) |
1da177e4 | 194 | { |
f956b4a3 | 195 | struct snd_mixer_oss *mixer = fmixer->mixer; |
1da177e4 LT |
196 | int result = 0; |
197 | ||
198 | if (mixer == NULL) | |
199 | return -EIO; | |
200 | if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */ | |
201 | int err; | |
fea952e5 CL |
202 | unsigned int index; |
203 | if ((err = mixer->get_recsrc(fmixer, &index)) < 0) | |
1da177e4 | 204 | return err; |
fea952e5 | 205 | result = 1 << index; |
1da177e4 | 206 | } else { |
f956b4a3 | 207 | struct snd_mixer_oss_slot *pslot; |
1da177e4 LT |
208 | int chn; |
209 | for (chn = 0; chn < 31; chn++) { | |
210 | pslot = &mixer->slots[chn]; | |
211 | if (pslot->get_recsrc) { | |
212 | int active = 0; | |
213 | pslot->get_recsrc(fmixer, pslot, &active); | |
214 | if (active) | |
215 | result |= 1 << chn; | |
216 | } | |
217 | } | |
218 | } | |
219 | return mixer->oss_recsrc = result; | |
220 | } | |
221 | ||
f956b4a3 | 222 | static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsrc) |
1da177e4 | 223 | { |
f956b4a3 TI |
224 | struct snd_mixer_oss *mixer = fmixer->mixer; |
225 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 | 226 | int chn, active; |
fea952e5 | 227 | unsigned int index; |
1da177e4 LT |
228 | int result = 0; |
229 | ||
230 | if (mixer == NULL) | |
231 | return -EIO; | |
232 | if (mixer->get_recsrc && mixer->put_recsrc) { /* exclusive input */ | |
233 | if (recsrc & ~mixer->oss_recsrc) | |
234 | recsrc &= ~mixer->oss_recsrc; | |
235 | mixer->put_recsrc(fmixer, ffz(~recsrc)); | |
fea952e5 CL |
236 | mixer->get_recsrc(fmixer, &index); |
237 | result = 1 << index; | |
1da177e4 LT |
238 | } |
239 | for (chn = 0; chn < 31; chn++) { | |
240 | pslot = &mixer->slots[chn]; | |
241 | if (pslot->put_recsrc) { | |
242 | active = (recsrc & (1 << chn)) ? 1 : 0; | |
243 | pslot->put_recsrc(fmixer, pslot, active); | |
244 | } | |
245 | } | |
246 | if (! result) { | |
247 | for (chn = 0; chn < 31; chn++) { | |
248 | pslot = &mixer->slots[chn]; | |
249 | if (pslot->get_recsrc) { | |
250 | active = 0; | |
251 | pslot->get_recsrc(fmixer, pslot, &active); | |
252 | if (active) | |
253 | result |= 1 << chn; | |
254 | } | |
255 | } | |
256 | } | |
257 | return result; | |
258 | } | |
259 | ||
f956b4a3 | 260 | static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot) |
1da177e4 | 261 | { |
f956b4a3 TI |
262 | struct snd_mixer_oss *mixer = fmixer->mixer; |
263 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 LT |
264 | int result = 0, left, right; |
265 | ||
266 | if (mixer == NULL || slot > 30) | |
267 | return -EIO; | |
268 | pslot = &mixer->slots[slot]; | |
269 | left = pslot->volume[0]; | |
270 | right = pslot->volume[1]; | |
271 | if (pslot->get_volume) | |
272 | result = pslot->get_volume(fmixer, pslot, &left, &right); | |
273 | if (!pslot->stereo) | |
274 | right = left; | |
7eaa943c TI |
275 | if (snd_BUG_ON(left < 0 || left > 100)) |
276 | return -EIO; | |
277 | if (snd_BUG_ON(right < 0 || right > 100)) | |
278 | return -EIO; | |
1da177e4 LT |
279 | if (result >= 0) { |
280 | pslot->volume[0] = left; | |
281 | pslot->volume[1] = right; | |
282 | result = (left & 0xff) | ((right & 0xff) << 8); | |
283 | } | |
284 | return result; | |
285 | } | |
286 | ||
f956b4a3 | 287 | static int snd_mixer_oss_set_volume(struct snd_mixer_oss_file *fmixer, |
1da177e4 LT |
288 | int slot, int volume) |
289 | { | |
f956b4a3 TI |
290 | struct snd_mixer_oss *mixer = fmixer->mixer; |
291 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 LT |
292 | int result = 0, left = volume & 0xff, right = (volume >> 8) & 0xff; |
293 | ||
294 | if (mixer == NULL || slot > 30) | |
295 | return -EIO; | |
296 | pslot = &mixer->slots[slot]; | |
297 | if (left > 100) | |
298 | left = 100; | |
299 | if (right > 100) | |
300 | right = 100; | |
301 | if (!pslot->stereo) | |
302 | right = left; | |
303 | if (pslot->put_volume) | |
304 | result = pslot->put_volume(fmixer, pslot, left, right); | |
305 | if (result < 0) | |
306 | return result; | |
307 | pslot->volume[0] = left; | |
308 | pslot->volume[1] = right; | |
309 | return (left & 0xff) | ((right & 0xff) << 8); | |
310 | } | |
311 | ||
f956b4a3 | 312 | static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int cmd, unsigned long arg) |
1da177e4 LT |
313 | { |
314 | void __user *argp = (void __user *)arg; | |
315 | int __user *p = argp; | |
316 | int tmp; | |
317 | ||
7eaa943c TI |
318 | if (snd_BUG_ON(!fmixer)) |
319 | return -ENXIO; | |
1da177e4 LT |
320 | if (((cmd >> 8) & 0xff) == 'M') { |
321 | switch (cmd) { | |
322 | case SOUND_MIXER_INFO: | |
323 | return snd_mixer_oss_info(fmixer, argp); | |
324 | case SOUND_OLD_MIXER_INFO: | |
325 | return snd_mixer_oss_info_obsolete(fmixer, argp); | |
326 | case SOUND_MIXER_WRITE_RECSRC: | |
327 | if (get_user(tmp, p)) | |
328 | return -EFAULT; | |
329 | tmp = snd_mixer_oss_set_recsrc(fmixer, tmp); | |
330 | if (tmp < 0) | |
331 | return tmp; | |
332 | return put_user(tmp, p); | |
333 | case OSS_GETVERSION: | |
334 | return put_user(SNDRV_OSS_VERSION, p); | |
335 | case OSS_ALSAEMULVER: | |
336 | return put_user(1, p); | |
337 | case SOUND_MIXER_READ_DEVMASK: | |
338 | tmp = snd_mixer_oss_devmask(fmixer); | |
339 | if (tmp < 0) | |
340 | return tmp; | |
341 | return put_user(tmp, p); | |
342 | case SOUND_MIXER_READ_STEREODEVS: | |
343 | tmp = snd_mixer_oss_stereodevs(fmixer); | |
344 | if (tmp < 0) | |
345 | return tmp; | |
346 | return put_user(tmp, p); | |
347 | case SOUND_MIXER_READ_RECMASK: | |
348 | tmp = snd_mixer_oss_recmask(fmixer); | |
349 | if (tmp < 0) | |
350 | return tmp; | |
351 | return put_user(tmp, p); | |
352 | case SOUND_MIXER_READ_CAPS: | |
353 | tmp = snd_mixer_oss_caps(fmixer); | |
354 | if (tmp < 0) | |
355 | return tmp; | |
356 | return put_user(tmp, p); | |
357 | case SOUND_MIXER_READ_RECSRC: | |
358 | tmp = snd_mixer_oss_get_recsrc(fmixer); | |
359 | if (tmp < 0) | |
360 | return tmp; | |
361 | return put_user(tmp, p); | |
362 | } | |
363 | } | |
364 | if (cmd & SIOC_IN) { | |
365 | if (get_user(tmp, p)) | |
366 | return -EFAULT; | |
367 | tmp = snd_mixer_oss_set_volume(fmixer, cmd & 0xff, tmp); | |
368 | if (tmp < 0) | |
369 | return tmp; | |
370 | return put_user(tmp, p); | |
371 | } else if (cmd & SIOC_OUT) { | |
372 | tmp = snd_mixer_oss_get_volume(fmixer, cmd & 0xff); | |
373 | if (tmp < 0) | |
374 | return tmp; | |
375 | return put_user(tmp, p); | |
376 | } | |
377 | return -ENXIO; | |
378 | } | |
379 | ||
380 | static long snd_mixer_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
381 | { | |
9fe856e4 | 382 | return snd_mixer_oss_ioctl1(file->private_data, cmd, arg); |
1da177e4 LT |
383 | } |
384 | ||
f956b4a3 | 385 | int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg) |
1da177e4 | 386 | { |
f956b4a3 | 387 | struct snd_mixer_oss_file fmixer; |
1da177e4 | 388 | |
7eaa943c TI |
389 | if (snd_BUG_ON(!card)) |
390 | return -ENXIO; | |
1da177e4 LT |
391 | if (card->mixer_oss == NULL) |
392 | return -ENXIO; | |
393 | memset(&fmixer, 0, sizeof(fmixer)); | |
394 | fmixer.card = card; | |
395 | fmixer.mixer = card->mixer_oss; | |
396 | return snd_mixer_oss_ioctl1(&fmixer, cmd, arg); | |
397 | } | |
398 | ||
399 | #ifdef CONFIG_COMPAT | |
400 | /* all compatible */ | |
83266b6b TI |
401 | static long snd_mixer_oss_ioctl_compat(struct file *file, unsigned int cmd, |
402 | unsigned long arg) | |
403 | { | |
404 | return snd_mixer_oss_ioctl1(file->private_data, cmd, | |
405 | (unsigned long)compat_ptr(arg)); | |
406 | } | |
1da177e4 LT |
407 | #else |
408 | #define snd_mixer_oss_ioctl_compat NULL | |
409 | #endif | |
410 | ||
411 | /* | |
412 | * REGISTRATION PART | |
413 | */ | |
414 | ||
9c2e08c5 | 415 | static const struct file_operations snd_mixer_oss_f_ops = |
1da177e4 LT |
416 | { |
417 | .owner = THIS_MODULE, | |
418 | .open = snd_mixer_oss_open, | |
419 | .release = snd_mixer_oss_release, | |
02f4865f | 420 | .llseek = no_llseek, |
1da177e4 LT |
421 | .unlocked_ioctl = snd_mixer_oss_ioctl, |
422 | .compat_ioctl = snd_mixer_oss_ioctl_compat, | |
423 | }; | |
424 | ||
1da177e4 LT |
425 | /* |
426 | * utilities | |
427 | */ | |
428 | ||
429 | static long snd_mixer_oss_conv(long val, long omin, long omax, long nmin, long nmax) | |
430 | { | |
431 | long orange = omax - omin, nrange = nmax - nmin; | |
432 | ||
433 | if (orange == 0) | |
434 | return 0; | |
435 | return ((nrange * (val - omin)) + (orange / 2)) / orange + nmin; | |
436 | } | |
437 | ||
438 | /* convert from alsa native to oss values (0-100) */ | |
439 | static long snd_mixer_oss_conv1(long val, long min, long max, int *old) | |
440 | { | |
441 | if (val == snd_mixer_oss_conv(*old, 0, 100, min, max)) | |
442 | return *old; | |
443 | return snd_mixer_oss_conv(val, min, max, 0, 100); | |
444 | } | |
445 | ||
446 | /* convert from oss to alsa native values */ | |
447 | static long snd_mixer_oss_conv2(long val, long min, long max) | |
448 | { | |
449 | return snd_mixer_oss_conv(val, 0, 100, min, max); | |
450 | } | |
451 | ||
452 | #if 0 | |
f956b4a3 | 453 | static void snd_mixer_oss_recsrce_set(struct snd_card *card, int slot) |
1da177e4 | 454 | { |
f956b4a3 | 455 | struct snd_mixer_oss *mixer = card->mixer_oss; |
1da177e4 LT |
456 | if (mixer) |
457 | mixer->mask_recsrc |= 1 << slot; | |
458 | } | |
459 | ||
f956b4a3 | 460 | static int snd_mixer_oss_recsrce_get(struct snd_card *card, int slot) |
1da177e4 | 461 | { |
f956b4a3 | 462 | struct snd_mixer_oss *mixer = card->mixer_oss; |
1da177e4 LT |
463 | if (mixer && (mixer->mask_recsrc & (1 << slot))) |
464 | return 1; | |
465 | return 0; | |
466 | } | |
467 | #endif | |
468 | ||
469 | #define SNDRV_MIXER_OSS_SIGNATURE 0x65999250 | |
470 | ||
471 | #define SNDRV_MIXER_OSS_ITEM_GLOBAL 0 | |
472 | #define SNDRV_MIXER_OSS_ITEM_GSWITCH 1 | |
473 | #define SNDRV_MIXER_OSS_ITEM_GROUTE 2 | |
474 | #define SNDRV_MIXER_OSS_ITEM_GVOLUME 3 | |
475 | #define SNDRV_MIXER_OSS_ITEM_PSWITCH 4 | |
476 | #define SNDRV_MIXER_OSS_ITEM_PROUTE 5 | |
477 | #define SNDRV_MIXER_OSS_ITEM_PVOLUME 6 | |
478 | #define SNDRV_MIXER_OSS_ITEM_CSWITCH 7 | |
479 | #define SNDRV_MIXER_OSS_ITEM_CROUTE 8 | |
480 | #define SNDRV_MIXER_OSS_ITEM_CVOLUME 9 | |
481 | #define SNDRV_MIXER_OSS_ITEM_CAPTURE 10 | |
482 | ||
483 | #define SNDRV_MIXER_OSS_ITEM_COUNT 11 | |
484 | ||
485 | #define SNDRV_MIXER_OSS_PRESENT_GLOBAL (1<<0) | |
486 | #define SNDRV_MIXER_OSS_PRESENT_GSWITCH (1<<1) | |
487 | #define SNDRV_MIXER_OSS_PRESENT_GROUTE (1<<2) | |
488 | #define SNDRV_MIXER_OSS_PRESENT_GVOLUME (1<<3) | |
489 | #define SNDRV_MIXER_OSS_PRESENT_PSWITCH (1<<4) | |
490 | #define SNDRV_MIXER_OSS_PRESENT_PROUTE (1<<5) | |
491 | #define SNDRV_MIXER_OSS_PRESENT_PVOLUME (1<<6) | |
492 | #define SNDRV_MIXER_OSS_PRESENT_CSWITCH (1<<7) | |
493 | #define SNDRV_MIXER_OSS_PRESENT_CROUTE (1<<8) | |
494 | #define SNDRV_MIXER_OSS_PRESENT_CVOLUME (1<<9) | |
495 | #define SNDRV_MIXER_OSS_PRESENT_CAPTURE (1<<10) | |
496 | ||
497 | struct slot { | |
498 | unsigned int signature; | |
499 | unsigned int present; | |
500 | unsigned int channels; | |
501 | unsigned int numid[SNDRV_MIXER_OSS_ITEM_COUNT]; | |
502 | unsigned int capture_item; | |
503 | struct snd_mixer_oss_assign_table *assigned; | |
504 | unsigned int allocated: 1; | |
505 | }; | |
506 | ||
507 | #define ID_UNKNOWN ((unsigned int)-1) | |
508 | ||
f956b4a3 | 509 | static struct snd_kcontrol *snd_mixer_oss_test_id(struct snd_mixer_oss *mixer, const char *name, int index) |
1da177e4 | 510 | { |
f956b4a3 TI |
511 | struct snd_card *card = mixer->card; |
512 | struct snd_ctl_elem_id id; | |
1da177e4 LT |
513 | |
514 | memset(&id, 0, sizeof(id)); | |
515 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
f92766bc | 516 | strlcpy(id.name, name, sizeof(id.name)); |
1da177e4 LT |
517 | id.index = index; |
518 | return snd_ctl_find_id(card, &id); | |
519 | } | |
520 | ||
f956b4a3 TI |
521 | static void snd_mixer_oss_get_volume1_vol(struct snd_mixer_oss_file *fmixer, |
522 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
523 | unsigned int numid, |
524 | int *left, int *right) | |
525 | { | |
f956b4a3 TI |
526 | struct snd_ctl_elem_info *uinfo; |
527 | struct snd_ctl_elem_value *uctl; | |
528 | struct snd_kcontrol *kctl; | |
529 | struct snd_card *card = fmixer->card; | |
1da177e4 LT |
530 | |
531 | if (numid == ID_UNKNOWN) | |
532 | return; | |
533 | down_read(&card->controls_rwsem); | |
534 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { | |
535 | up_read(&card->controls_rwsem); | |
536 | return; | |
537 | } | |
ca2c0966 TI |
538 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
539 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | |
1da177e4 LT |
540 | if (uinfo == NULL || uctl == NULL) |
541 | goto __unalloc; | |
7c22f1aa TI |
542 | if (kctl->info(kctl, uinfo)) |
543 | goto __unalloc; | |
544 | if (kctl->get(kctl, uctl)) | |
545 | goto __unalloc; | |
546 | if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN && | |
547 | uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1) | |
548 | goto __unalloc; | |
1da177e4 LT |
549 | *left = snd_mixer_oss_conv1(uctl->value.integer.value[0], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[0]); |
550 | if (uinfo->count > 1) | |
551 | *right = snd_mixer_oss_conv1(uctl->value.integer.value[1], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[1]); | |
552 | __unalloc: | |
553 | up_read(&card->controls_rwsem); | |
554 | kfree(uctl); | |
555 | kfree(uinfo); | |
556 | } | |
557 | ||
f956b4a3 TI |
558 | static void snd_mixer_oss_get_volume1_sw(struct snd_mixer_oss_file *fmixer, |
559 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
560 | unsigned int numid, |
561 | int *left, int *right, | |
562 | int route) | |
563 | { | |
f956b4a3 TI |
564 | struct snd_ctl_elem_info *uinfo; |
565 | struct snd_ctl_elem_value *uctl; | |
566 | struct snd_kcontrol *kctl; | |
567 | struct snd_card *card = fmixer->card; | |
1da177e4 LT |
568 | |
569 | if (numid == ID_UNKNOWN) | |
570 | return; | |
571 | down_read(&card->controls_rwsem); | |
572 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { | |
573 | up_read(&card->controls_rwsem); | |
574 | return; | |
575 | } | |
ca2c0966 TI |
576 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
577 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | |
1da177e4 LT |
578 | if (uinfo == NULL || uctl == NULL) |
579 | goto __unalloc; | |
7c22f1aa TI |
580 | if (kctl->info(kctl, uinfo)) |
581 | goto __unalloc; | |
582 | if (kctl->get(kctl, uctl)) | |
583 | goto __unalloc; | |
1da177e4 LT |
584 | if (!uctl->value.integer.value[0]) { |
585 | *left = 0; | |
586 | if (uinfo->count == 1) | |
587 | *right = 0; | |
588 | } | |
589 | if (uinfo->count > 1 && !uctl->value.integer.value[route ? 3 : 1]) | |
590 | *right = 0; | |
591 | __unalloc: | |
592 | up_read(&card->controls_rwsem); | |
593 | kfree(uctl); | |
594 | kfree(uinfo); | |
595 | } | |
596 | ||
f956b4a3 TI |
597 | static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer, |
598 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
599 | int *left, int *right) |
600 | { | |
9fe856e4 | 601 | struct slot *slot = pslot->private_data; |
1da177e4 LT |
602 | |
603 | *left = *right = 100; | |
604 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) { | |
605 | snd_mixer_oss_get_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right); | |
606 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GVOLUME) { | |
607 | snd_mixer_oss_get_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GVOLUME], left, right); | |
608 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GLOBAL) { | |
609 | snd_mixer_oss_get_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GLOBAL], left, right); | |
610 | } | |
611 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH) { | |
612 | snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0); | |
613 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH) { | |
614 | snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0); | |
615 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE) { | |
616 | snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1); | |
617 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE) { | |
618 | snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1); | |
619 | } | |
620 | return 0; | |
621 | } | |
622 | ||
f956b4a3 TI |
623 | static void snd_mixer_oss_put_volume1_vol(struct snd_mixer_oss_file *fmixer, |
624 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
625 | unsigned int numid, |
626 | int left, int right) | |
627 | { | |
f956b4a3 TI |
628 | struct snd_ctl_elem_info *uinfo; |
629 | struct snd_ctl_elem_value *uctl; | |
630 | struct snd_kcontrol *kctl; | |
631 | struct snd_card *card = fmixer->card; | |
1da177e4 LT |
632 | int res; |
633 | ||
634 | if (numid == ID_UNKNOWN) | |
635 | return; | |
636 | down_read(&card->controls_rwsem); | |
838c364f JK |
637 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { |
638 | up_read(&card->controls_rwsem); | |
1da177e4 | 639 | return; |
838c364f | 640 | } |
ca2c0966 TI |
641 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
642 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | |
1da177e4 LT |
643 | if (uinfo == NULL || uctl == NULL) |
644 | goto __unalloc; | |
7c22f1aa TI |
645 | if (kctl->info(kctl, uinfo)) |
646 | goto __unalloc; | |
647 | if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN && | |
648 | uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1) | |
649 | goto __unalloc; | |
1da177e4 LT |
650 | uctl->value.integer.value[0] = snd_mixer_oss_conv2(left, uinfo->value.integer.min, uinfo->value.integer.max); |
651 | if (uinfo->count > 1) | |
652 | uctl->value.integer.value[1] = snd_mixer_oss_conv2(right, uinfo->value.integer.min, uinfo->value.integer.max); | |
7c22f1aa TI |
653 | if ((res = kctl->put(kctl, uctl)) < 0) |
654 | goto __unalloc; | |
1da177e4 LT |
655 | if (res > 0) |
656 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); | |
657 | __unalloc: | |
658 | up_read(&card->controls_rwsem); | |
659 | kfree(uctl); | |
660 | kfree(uinfo); | |
661 | } | |
662 | ||
f956b4a3 TI |
663 | static void snd_mixer_oss_put_volume1_sw(struct snd_mixer_oss_file *fmixer, |
664 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
665 | unsigned int numid, |
666 | int left, int right, | |
667 | int route) | |
668 | { | |
f956b4a3 TI |
669 | struct snd_ctl_elem_info *uinfo; |
670 | struct snd_ctl_elem_value *uctl; | |
671 | struct snd_kcontrol *kctl; | |
672 | struct snd_card *card = fmixer->card; | |
1da177e4 LT |
673 | int res; |
674 | ||
675 | if (numid == ID_UNKNOWN) | |
676 | return; | |
677 | down_read(&card->controls_rwsem); | |
678 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { | |
838c364f | 679 | up_read(&card->controls_rwsem); |
1da177e4 LT |
680 | return; |
681 | } | |
ca2c0966 TI |
682 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
683 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | |
1da177e4 LT |
684 | if (uinfo == NULL || uctl == NULL) |
685 | goto __unalloc; | |
7c22f1aa TI |
686 | if (kctl->info(kctl, uinfo)) |
687 | goto __unalloc; | |
1da177e4 LT |
688 | if (uinfo->count > 1) { |
689 | uctl->value.integer.value[0] = left > 0 ? 1 : 0; | |
690 | uctl->value.integer.value[route ? 3 : 1] = right > 0 ? 1 : 0; | |
691 | if (route) { | |
692 | uctl->value.integer.value[1] = | |
693 | uctl->value.integer.value[2] = 0; | |
694 | } | |
695 | } else { | |
696 | uctl->value.integer.value[0] = (left > 0 || right > 0) ? 1 : 0; | |
697 | } | |
7c22f1aa TI |
698 | if ((res = kctl->put(kctl, uctl)) < 0) |
699 | goto __unalloc; | |
1da177e4 LT |
700 | if (res > 0) |
701 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); | |
702 | __unalloc: | |
703 | up_read(&card->controls_rwsem); | |
704 | kfree(uctl); | |
705 | kfree(uinfo); | |
706 | } | |
707 | ||
f956b4a3 TI |
708 | static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer, |
709 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
710 | int left, int right) |
711 | { | |
9fe856e4 | 712 | struct slot *slot = pslot->private_data; |
1da177e4 LT |
713 | |
714 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) { | |
715 | snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right); | |
716 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME) | |
717 | snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CVOLUME], left, right); | |
36c7b833 VM |
718 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME) { |
719 | snd_mixer_oss_put_volume1_vol(fmixer, pslot, | |
720 | slot->numid[SNDRV_MIXER_OSS_ITEM_CVOLUME], left, right); | |
1da177e4 LT |
721 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GVOLUME) { |
722 | snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GVOLUME], left, right); | |
723 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GLOBAL) { | |
724 | snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GLOBAL], left, right); | |
725 | } | |
726 | if (left || right) { | |
727 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH) | |
728 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0); | |
d2e8e529 DM |
729 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_CSWITCH) |
730 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], left, right, 0); | |
1da177e4 LT |
731 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH) |
732 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0); | |
733 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE) | |
734 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1); | |
d2e8e529 DM |
735 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_CROUTE) |
736 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], left, right, 1); | |
1da177e4 LT |
737 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE) |
738 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1); | |
739 | } else { | |
740 | if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH) { | |
741 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0); | |
d2e8e529 DM |
742 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CSWITCH) { |
743 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], left, right, 0); | |
1da177e4 LT |
744 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH) { |
745 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0); | |
746 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE) { | |
747 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1); | |
d2e8e529 DM |
748 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CROUTE) { |
749 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], left, right, 1); | |
1da177e4 LT |
750 | } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE) { |
751 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1); | |
752 | } | |
753 | } | |
754 | return 0; | |
755 | } | |
756 | ||
f956b4a3 TI |
757 | static int snd_mixer_oss_get_recsrc1_sw(struct snd_mixer_oss_file *fmixer, |
758 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
759 | int *active) |
760 | { | |
9fe856e4 | 761 | struct slot *slot = pslot->private_data; |
1da177e4 LT |
762 | int left, right; |
763 | ||
764 | left = right = 1; | |
765 | snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], &left, &right, 0); | |
766 | *active = (left || right) ? 1 : 0; | |
767 | return 0; | |
768 | } | |
769 | ||
f956b4a3 TI |
770 | static int snd_mixer_oss_get_recsrc1_route(struct snd_mixer_oss_file *fmixer, |
771 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
772 | int *active) |
773 | { | |
9fe856e4 | 774 | struct slot *slot = pslot->private_data; |
1da177e4 LT |
775 | int left, right; |
776 | ||
777 | left = right = 1; | |
778 | snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], &left, &right, 1); | |
779 | *active = (left || right) ? 1 : 0; | |
780 | return 0; | |
781 | } | |
782 | ||
f956b4a3 TI |
783 | static int snd_mixer_oss_put_recsrc1_sw(struct snd_mixer_oss_file *fmixer, |
784 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
785 | int active) |
786 | { | |
9fe856e4 | 787 | struct slot *slot = pslot->private_data; |
1da177e4 LT |
788 | |
789 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], active, active, 0); | |
790 | return 0; | |
791 | } | |
792 | ||
f956b4a3 TI |
793 | static int snd_mixer_oss_put_recsrc1_route(struct snd_mixer_oss_file *fmixer, |
794 | struct snd_mixer_oss_slot *pslot, | |
1da177e4 LT |
795 | int active) |
796 | { | |
9fe856e4 | 797 | struct slot *slot = pslot->private_data; |
1da177e4 LT |
798 | |
799 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], active, active, 1); | |
800 | return 0; | |
801 | } | |
802 | ||
f956b4a3 | 803 | static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int *active_index) |
1da177e4 | 804 | { |
f956b4a3 TI |
805 | struct snd_card *card = fmixer->card; |
806 | struct snd_mixer_oss *mixer = fmixer->mixer; | |
807 | struct snd_kcontrol *kctl; | |
808 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 | 809 | struct slot *slot; |
f956b4a3 TI |
810 | struct snd_ctl_elem_info *uinfo; |
811 | struct snd_ctl_elem_value *uctl; | |
1da177e4 LT |
812 | int err, idx; |
813 | ||
ca2c0966 TI |
814 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
815 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | |
1da177e4 LT |
816 | if (uinfo == NULL || uctl == NULL) { |
817 | err = -ENOMEM; | |
838c364f | 818 | goto __free_only; |
1da177e4 LT |
819 | } |
820 | down_read(&card->controls_rwsem); | |
821 | kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0); | |
7c22f1aa TI |
822 | if (! kctl) { |
823 | err = -ENOENT; | |
824 | goto __unlock; | |
825 | } | |
826 | if ((err = kctl->info(kctl, uinfo)) < 0) | |
827 | goto __unlock; | |
828 | if ((err = kctl->get(kctl, uctl)) < 0) | |
829 | goto __unlock; | |
1da177e4 LT |
830 | for (idx = 0; idx < 32; idx++) { |
831 | if (!(mixer->mask_recsrc & (1 << idx))) | |
832 | continue; | |
833 | pslot = &mixer->slots[idx]; | |
9fe856e4 | 834 | slot = pslot->private_data; |
1da177e4 LT |
835 | if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE) |
836 | continue; | |
837 | if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE)) | |
838 | continue; | |
839 | if (slot->capture_item == uctl->value.enumerated.item[0]) { | |
840 | *active_index = idx; | |
841 | break; | |
842 | } | |
843 | } | |
844 | err = 0; | |
845 | __unlock: | |
846 | up_read(&card->controls_rwsem); | |
838c364f | 847 | __free_only: |
1da177e4 LT |
848 | kfree(uctl); |
849 | kfree(uinfo); | |
850 | return err; | |
851 | } | |
852 | ||
f956b4a3 | 853 | static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int active_index) |
1da177e4 | 854 | { |
f956b4a3 TI |
855 | struct snd_card *card = fmixer->card; |
856 | struct snd_mixer_oss *mixer = fmixer->mixer; | |
857 | struct snd_kcontrol *kctl; | |
858 | struct snd_mixer_oss_slot *pslot; | |
1da177e4 | 859 | struct slot *slot = NULL; |
f956b4a3 TI |
860 | struct snd_ctl_elem_info *uinfo; |
861 | struct snd_ctl_elem_value *uctl; | |
1da177e4 LT |
862 | int err; |
863 | unsigned int idx; | |
864 | ||
ca2c0966 TI |
865 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
866 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | |
1da177e4 LT |
867 | if (uinfo == NULL || uctl == NULL) { |
868 | err = -ENOMEM; | |
838c364f | 869 | goto __free_only; |
1da177e4 LT |
870 | } |
871 | down_read(&card->controls_rwsem); | |
872 | kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0); | |
7c22f1aa TI |
873 | if (! kctl) { |
874 | err = -ENOENT; | |
875 | goto __unlock; | |
876 | } | |
877 | if ((err = kctl->info(kctl, uinfo)) < 0) | |
878 | goto __unlock; | |
1da177e4 LT |
879 | for (idx = 0; idx < 32; idx++) { |
880 | if (!(mixer->mask_recsrc & (1 << idx))) | |
881 | continue; | |
882 | pslot = &mixer->slots[idx]; | |
9fe856e4 | 883 | slot = pslot->private_data; |
1da177e4 LT |
884 | if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE) |
885 | continue; | |
886 | if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE)) | |
887 | continue; | |
888 | if (idx == active_index) | |
889 | break; | |
890 | slot = NULL; | |
891 | } | |
7c22f1aa TI |
892 | if (! slot) |
893 | goto __unlock; | |
1da177e4 LT |
894 | for (idx = 0; idx < uinfo->count; idx++) |
895 | uctl->value.enumerated.item[idx] = slot->capture_item; | |
7c22f1aa | 896 | err = kctl->put(kctl, uctl); |
1da177e4 LT |
897 | if (err > 0) |
898 | snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); | |
899 | err = 0; | |
900 | __unlock: | |
901 | up_read(&card->controls_rwsem); | |
838c364f | 902 | __free_only: |
1da177e4 LT |
903 | kfree(uctl); |
904 | kfree(uinfo); | |
905 | return err; | |
906 | } | |
907 | ||
908 | struct snd_mixer_oss_assign_table { | |
909 | int oss_id; | |
910 | const char *name; | |
911 | int index; | |
912 | }; | |
913 | ||
f956b4a3 | 914 | static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *slot, const char *name, int index, int item) |
1da177e4 | 915 | { |
f956b4a3 TI |
916 | struct snd_ctl_elem_info *info; |
917 | struct snd_kcontrol *kcontrol; | |
918 | struct snd_card *card = mixer->card; | |
1da177e4 LT |
919 | int err; |
920 | ||
921 | down_read(&card->controls_rwsem); | |
922 | kcontrol = snd_mixer_oss_test_id(mixer, name, index); | |
923 | if (kcontrol == NULL) { | |
924 | up_read(&card->controls_rwsem); | |
925 | return 0; | |
926 | } | |
927 | info = kmalloc(sizeof(*info), GFP_KERNEL); | |
928 | if (! info) { | |
929 | up_read(&card->controls_rwsem); | |
930 | return -ENOMEM; | |
931 | } | |
932 | if ((err = kcontrol->info(kcontrol, info)) < 0) { | |
933 | up_read(&card->controls_rwsem); | |
934 | kfree(info); | |
935 | return err; | |
936 | } | |
937 | slot->numid[item] = kcontrol->id.numid; | |
938 | up_read(&card->controls_rwsem); | |
939 | if (info->count > slot->channels) | |
940 | slot->channels = info->count; | |
941 | slot->present |= 1 << item; | |
942 | kfree(info); | |
943 | return 0; | |
944 | } | |
945 | ||
f956b4a3 | 946 | static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn) |
1da177e4 | 947 | { |
9fe856e4 | 948 | struct slot *p = chn->private_data; |
1da177e4 LT |
949 | if (p) { |
950 | if (p->allocated && p->assigned) { | |
951 | kfree(p->assigned->name); | |
952 | kfree(p->assigned); | |
953 | } | |
954 | kfree(p); | |
955 | } | |
956 | } | |
957 | ||
f956b4a3 | 958 | static void mixer_slot_clear(struct snd_mixer_oss_slot *rslot) |
1da177e4 LT |
959 | { |
960 | int idx = rslot->number; /* remember this */ | |
961 | if (rslot->private_free) | |
962 | rslot->private_free(rslot); | |
963 | memset(rslot, 0, sizeof(*rslot)); | |
964 | rslot->number = idx; | |
965 | } | |
966 | ||
22a860a9 JD |
967 | /* In a separate function to keep gcc 3.2 happy - do NOT merge this in |
968 | snd_mixer_oss_build_input! */ | |
969 | static int snd_mixer_oss_build_test_all(struct snd_mixer_oss *mixer, | |
970 | struct snd_mixer_oss_assign_table *ptr, | |
971 | struct slot *slot) | |
972 | { | |
973 | char str[64]; | |
974 | int err; | |
975 | ||
976 | err = snd_mixer_oss_build_test(mixer, slot, ptr->name, ptr->index, | |
977 | SNDRV_MIXER_OSS_ITEM_GLOBAL); | |
978 | if (err) | |
979 | return err; | |
980 | sprintf(str, "%s Switch", ptr->name); | |
981 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
982 | SNDRV_MIXER_OSS_ITEM_GSWITCH); | |
983 | if (err) | |
984 | return err; | |
985 | sprintf(str, "%s Route", ptr->name); | |
986 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
987 | SNDRV_MIXER_OSS_ITEM_GROUTE); | |
988 | if (err) | |
989 | return err; | |
990 | sprintf(str, "%s Volume", ptr->name); | |
991 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
992 | SNDRV_MIXER_OSS_ITEM_GVOLUME); | |
993 | if (err) | |
994 | return err; | |
995 | sprintf(str, "%s Playback Switch", ptr->name); | |
996 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
997 | SNDRV_MIXER_OSS_ITEM_PSWITCH); | |
998 | if (err) | |
999 | return err; | |
1000 | sprintf(str, "%s Playback Route", ptr->name); | |
1001 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
1002 | SNDRV_MIXER_OSS_ITEM_PROUTE); | |
1003 | if (err) | |
1004 | return err; | |
1005 | sprintf(str, "%s Playback Volume", ptr->name); | |
1006 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
1007 | SNDRV_MIXER_OSS_ITEM_PVOLUME); | |
1008 | if (err) | |
1009 | return err; | |
1010 | sprintf(str, "%s Capture Switch", ptr->name); | |
1011 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
1012 | SNDRV_MIXER_OSS_ITEM_CSWITCH); | |
1013 | if (err) | |
1014 | return err; | |
1015 | sprintf(str, "%s Capture Route", ptr->name); | |
1016 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
1017 | SNDRV_MIXER_OSS_ITEM_CROUTE); | |
1018 | if (err) | |
1019 | return err; | |
1020 | sprintf(str, "%s Capture Volume", ptr->name); | |
1021 | err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index, | |
1022 | SNDRV_MIXER_OSS_ITEM_CVOLUME); | |
1023 | if (err) | |
1024 | return err; | |
1025 | ||
1026 | return 0; | |
1027 | } | |
1028 | ||
1da177e4 LT |
1029 | /* |
1030 | * build an OSS mixer element. | |
1031 | * ptr_allocated means the entry is dynamically allocated (change via proc file). | |
1032 | * when replace_old = 1, the old entry is replaced with the new one. | |
1033 | */ | |
f956b4a3 | 1034 | static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mixer_oss_assign_table *ptr, int ptr_allocated, int replace_old) |
1da177e4 LT |
1035 | { |
1036 | struct slot slot; | |
1037 | struct slot *pslot; | |
f956b4a3 TI |
1038 | struct snd_kcontrol *kctl; |
1039 | struct snd_mixer_oss_slot *rslot; | |
1da177e4 LT |
1040 | char str[64]; |
1041 | ||
1042 | /* check if already assigned */ | |
1043 | if (mixer->slots[ptr->oss_id].get_volume && ! replace_old) | |
1044 | return 0; | |
1045 | ||
1046 | memset(&slot, 0, sizeof(slot)); | |
1047 | memset(slot.numid, 0xff, sizeof(slot.numid)); /* ID_UNKNOWN */ | |
22a860a9 | 1048 | if (snd_mixer_oss_build_test_all(mixer, ptr, &slot)) |
1da177e4 LT |
1049 | return 0; |
1050 | down_read(&mixer->card->controls_rwsem); | |
1051 | if (ptr->index == 0 && (kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0)) != NULL) { | |
f956b4a3 | 1052 | struct snd_ctl_elem_info *uinfo; |
1da177e4 | 1053 | |
59feddb2 | 1054 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
1da177e4 LT |
1055 | if (! uinfo) { |
1056 | up_read(&mixer->card->controls_rwsem); | |
1057 | return -ENOMEM; | |
1058 | } | |
1059 | ||
1da177e4 LT |
1060 | if (kctl->info(kctl, uinfo)) { |
1061 | up_read(&mixer->card->controls_rwsem); | |
1f3b1407 | 1062 | kfree(uinfo); |
1da177e4 LT |
1063 | return 0; |
1064 | } | |
1065 | strcpy(str, ptr->name); | |
1066 | if (!strcmp(str, "Master")) | |
1067 | strcpy(str, "Mix"); | |
1068 | if (!strcmp(str, "Master Mono")) | |
1069 | strcpy(str, "Mix Mono"); | |
1070 | slot.capture_item = 0; | |
1071 | if (!strcmp(uinfo->value.enumerated.name, str)) { | |
1072 | slot.present |= SNDRV_MIXER_OSS_PRESENT_CAPTURE; | |
1073 | } else { | |
1074 | for (slot.capture_item = 1; slot.capture_item < uinfo->value.enumerated.items; slot.capture_item++) { | |
1075 | uinfo->value.enumerated.item = slot.capture_item; | |
1076 | if (kctl->info(kctl, uinfo)) { | |
1077 | up_read(&mixer->card->controls_rwsem); | |
1f3b1407 | 1078 | kfree(uinfo); |
1da177e4 LT |
1079 | return 0; |
1080 | } | |
1081 | if (!strcmp(uinfo->value.enumerated.name, str)) { | |
1082 | slot.present |= SNDRV_MIXER_OSS_PRESENT_CAPTURE; | |
1083 | break; | |
1084 | } | |
1085 | } | |
1086 | } | |
1087 | kfree(uinfo); | |
1088 | } | |
1089 | up_read(&mixer->card->controls_rwsem); | |
1090 | if (slot.present != 0) { | |
5cbded58 | 1091 | pslot = kmalloc(sizeof(slot), GFP_KERNEL); |
7c22f1aa TI |
1092 | if (! pslot) |
1093 | return -ENOMEM; | |
1da177e4 LT |
1094 | *pslot = slot; |
1095 | pslot->signature = SNDRV_MIXER_OSS_SIGNATURE; | |
1096 | pslot->assigned = ptr; | |
1097 | pslot->allocated = ptr_allocated; | |
1098 | rslot = &mixer->slots[ptr->oss_id]; | |
1099 | mixer_slot_clear(rslot); | |
1100 | rslot->stereo = slot.channels > 1 ? 1 : 0; | |
1101 | rslot->get_volume = snd_mixer_oss_get_volume1; | |
1102 | rslot->put_volume = snd_mixer_oss_put_volume1; | |
1103 | /* note: ES18xx have both Capture Source and XX Capture Volume !!! */ | |
1104 | if (slot.present & SNDRV_MIXER_OSS_PRESENT_CSWITCH) { | |
1105 | rslot->get_recsrc = snd_mixer_oss_get_recsrc1_sw; | |
1106 | rslot->put_recsrc = snd_mixer_oss_put_recsrc1_sw; | |
1107 | } else if (slot.present & SNDRV_MIXER_OSS_PRESENT_CROUTE) { | |
1108 | rslot->get_recsrc = snd_mixer_oss_get_recsrc1_route; | |
1109 | rslot->put_recsrc = snd_mixer_oss_put_recsrc1_route; | |
1110 | } else if (slot.present & SNDRV_MIXER_OSS_PRESENT_CAPTURE) { | |
1111 | mixer->mask_recsrc |= 1 << ptr->oss_id; | |
1112 | } | |
1113 | rslot->private_data = pslot; | |
1114 | rslot->private_free = snd_mixer_oss_slot_free; | |
1115 | return 1; | |
1116 | } | |
1117 | return 0; | |
1118 | } | |
1119 | ||
cd6a6503 | 1120 | #ifdef CONFIG_SND_PROC_FS |
1da177e4 LT |
1121 | /* |
1122 | */ | |
1123 | #define MIXER_VOL(name) [SOUND_MIXER_##name] = #name | |
1124 | static char *oss_mixer_names[SNDRV_OSS_MAX_MIXERS] = { | |
1125 | MIXER_VOL(VOLUME), | |
1126 | MIXER_VOL(BASS), | |
1127 | MIXER_VOL(TREBLE), | |
1128 | MIXER_VOL(SYNTH), | |
1129 | MIXER_VOL(PCM), | |
1130 | MIXER_VOL(SPEAKER), | |
1131 | MIXER_VOL(LINE), | |
1132 | MIXER_VOL(MIC), | |
1133 | MIXER_VOL(CD), | |
1134 | MIXER_VOL(IMIX), | |
1135 | MIXER_VOL(ALTPCM), | |
1136 | MIXER_VOL(RECLEV), | |
1137 | MIXER_VOL(IGAIN), | |
1138 | MIXER_VOL(OGAIN), | |
1139 | MIXER_VOL(LINE1), | |
1140 | MIXER_VOL(LINE2), | |
1141 | MIXER_VOL(LINE3), | |
1142 | MIXER_VOL(DIGITAL1), | |
1143 | MIXER_VOL(DIGITAL2), | |
1144 | MIXER_VOL(DIGITAL3), | |
1145 | MIXER_VOL(PHONEIN), | |
1146 | MIXER_VOL(PHONEOUT), | |
1147 | MIXER_VOL(VIDEO), | |
1148 | MIXER_VOL(RADIO), | |
1149 | MIXER_VOL(MONITOR), | |
1150 | }; | |
1151 | ||
1152 | /* | |
1153 | * /proc interface | |
1154 | */ | |
1155 | ||
f956b4a3 TI |
1156 | static void snd_mixer_oss_proc_read(struct snd_info_entry *entry, |
1157 | struct snd_info_buffer *buffer) | |
1da177e4 | 1158 | { |
f956b4a3 | 1159 | struct snd_mixer_oss *mixer = entry->private_data; |
1da177e4 LT |
1160 | int i; |
1161 | ||
1a60d4c5 | 1162 | mutex_lock(&mixer->reg_mutex); |
1da177e4 LT |
1163 | for (i = 0; i < SNDRV_OSS_MAX_MIXERS; i++) { |
1164 | struct slot *p; | |
1165 | ||
1166 | if (! oss_mixer_names[i]) | |
1167 | continue; | |
1168 | p = (struct slot *)mixer->slots[i].private_data; | |
1169 | snd_iprintf(buffer, "%s ", oss_mixer_names[i]); | |
1170 | if (p && p->assigned) | |
1171 | snd_iprintf(buffer, "\"%s\" %d\n", | |
1172 | p->assigned->name, | |
1173 | p->assigned->index); | |
1174 | else | |
1175 | snd_iprintf(buffer, "\"\" 0\n"); | |
1176 | } | |
1a60d4c5 | 1177 | mutex_unlock(&mixer->reg_mutex); |
1da177e4 LT |
1178 | } |
1179 | ||
f956b4a3 TI |
1180 | static void snd_mixer_oss_proc_write(struct snd_info_entry *entry, |
1181 | struct snd_info_buffer *buffer) | |
1da177e4 | 1182 | { |
f956b4a3 | 1183 | struct snd_mixer_oss *mixer = entry->private_data; |
4f7454a9 TI |
1184 | char line[128], str[32], idxstr[16]; |
1185 | const char *cptr; | |
5a1f8c42 DC |
1186 | unsigned int idx; |
1187 | int ch; | |
1da177e4 LT |
1188 | struct snd_mixer_oss_assign_table *tbl; |
1189 | struct slot *slot; | |
1190 | ||
1191 | while (!snd_info_get_line(buffer, line, sizeof(line))) { | |
1192 | cptr = snd_info_get_str(str, line, sizeof(str)); | |
1193 | for (ch = 0; ch < SNDRV_OSS_MAX_MIXERS; ch++) | |
1194 | if (oss_mixer_names[ch] && strcmp(oss_mixer_names[ch], str) == 0) | |
1195 | break; | |
1196 | if (ch >= SNDRV_OSS_MAX_MIXERS) { | |
61efcee8 TI |
1197 | pr_err("ALSA: mixer_oss: invalid OSS volume '%s'\n", |
1198 | str); | |
1da177e4 LT |
1199 | continue; |
1200 | } | |
1201 | cptr = snd_info_get_str(str, cptr, sizeof(str)); | |
1202 | if (! *str) { | |
1203 | /* remove the entry */ | |
1a60d4c5 | 1204 | mutex_lock(&mixer->reg_mutex); |
1da177e4 | 1205 | mixer_slot_clear(&mixer->slots[ch]); |
1a60d4c5 | 1206 | mutex_unlock(&mixer->reg_mutex); |
1da177e4 LT |
1207 | continue; |
1208 | } | |
1209 | snd_info_get_str(idxstr, cptr, sizeof(idxstr)); | |
1210 | idx = simple_strtoul(idxstr, NULL, 10); | |
1211 | if (idx >= 0x4000) { /* too big */ | |
61efcee8 | 1212 | pr_err("ALSA: mixer_oss: invalid index %d\n", idx); |
1da177e4 LT |
1213 | continue; |
1214 | } | |
1a60d4c5 | 1215 | mutex_lock(&mixer->reg_mutex); |
1da177e4 LT |
1216 | slot = (struct slot *)mixer->slots[ch].private_data; |
1217 | if (slot && slot->assigned && | |
1218 | slot->assigned->index == idx && ! strcmp(slot->assigned->name, str)) | |
1219 | /* not changed */ | |
1220 | goto __unlock; | |
1221 | tbl = kmalloc(sizeof(*tbl), GFP_KERNEL); | |
ec0e9937 | 1222 | if (!tbl) |
1da177e4 | 1223 | goto __unlock; |
1da177e4 | 1224 | tbl->oss_id = ch; |
543537bd | 1225 | tbl->name = kstrdup(str, GFP_KERNEL); |
1da177e4 LT |
1226 | if (! tbl->name) { |
1227 | kfree(tbl); | |
1228 | goto __unlock; | |
1229 | } | |
1230 | tbl->index = idx; | |
1231 | if (snd_mixer_oss_build_input(mixer, tbl, 1, 1) <= 0) { | |
1232 | kfree(tbl->name); | |
1233 | kfree(tbl); | |
1234 | } | |
1235 | __unlock: | |
1a60d4c5 | 1236 | mutex_unlock(&mixer->reg_mutex); |
1da177e4 LT |
1237 | } |
1238 | } | |
1239 | ||
f956b4a3 | 1240 | static void snd_mixer_oss_proc_init(struct snd_mixer_oss *mixer) |
1da177e4 | 1241 | { |
f956b4a3 | 1242 | struct snd_info_entry *entry; |
1da177e4 LT |
1243 | |
1244 | entry = snd_info_create_card_entry(mixer->card, "oss_mixer", | |
1245 | mixer->card->proc_root); | |
1246 | if (! entry) | |
1247 | return; | |
1248 | entry->content = SNDRV_INFO_CONTENT_TEXT; | |
1249 | entry->mode = S_IFREG | S_IRUGO | S_IWUSR; | |
1da177e4 | 1250 | entry->c.text.read = snd_mixer_oss_proc_read; |
1da177e4 LT |
1251 | entry->c.text.write = snd_mixer_oss_proc_write; |
1252 | entry->private_data = mixer; | |
1253 | if (snd_info_register(entry) < 0) { | |
1254 | snd_info_free_entry(entry); | |
1255 | entry = NULL; | |
1256 | } | |
1257 | mixer->proc_entry = entry; | |
1258 | } | |
1259 | ||
f956b4a3 | 1260 | static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer) |
1da177e4 | 1261 | { |
746d4a02 TI |
1262 | snd_info_free_entry(mixer->proc_entry); |
1263 | mixer->proc_entry = NULL; | |
1da177e4 | 1264 | } |
cd6a6503 | 1265 | #else /* !CONFIG_SND_PROC_FS */ |
04f141a8 TI |
1266 | #define snd_mixer_oss_proc_init(mix) |
1267 | #define snd_mixer_oss_proc_done(mix) | |
cd6a6503 | 1268 | #endif /* CONFIG_SND_PROC_FS */ |
1da177e4 | 1269 | |
f956b4a3 | 1270 | static void snd_mixer_oss_build(struct snd_mixer_oss *mixer) |
1da177e4 LT |
1271 | { |
1272 | static struct snd_mixer_oss_assign_table table[] = { | |
1273 | { SOUND_MIXER_VOLUME, "Master", 0 }, | |
1274 | { SOUND_MIXER_VOLUME, "Front", 0 }, /* fallback */ | |
1275 | { SOUND_MIXER_BASS, "Tone Control - Bass", 0 }, | |
1276 | { SOUND_MIXER_TREBLE, "Tone Control - Treble", 0 }, | |
1277 | { SOUND_MIXER_SYNTH, "Synth", 0 }, | |
1278 | { SOUND_MIXER_SYNTH, "FM", 0 }, /* fallback */ | |
1279 | { SOUND_MIXER_SYNTH, "Music", 0 }, /* fallback */ | |
1280 | { SOUND_MIXER_PCM, "PCM", 0 }, | |
d355c82a JK |
1281 | { SOUND_MIXER_SPEAKER, "Beep", 0 }, |
1282 | { SOUND_MIXER_SPEAKER, "PC Speaker", 0 }, /* fallback */ | |
ad1cd745 | 1283 | { SOUND_MIXER_SPEAKER, "Speaker", 0 }, /* fallback */ |
1da177e4 LT |
1284 | { SOUND_MIXER_LINE, "Line", 0 }, |
1285 | { SOUND_MIXER_MIC, "Mic", 0 }, | |
1286 | { SOUND_MIXER_CD, "CD", 0 }, | |
1287 | { SOUND_MIXER_IMIX, "Monitor Mix", 0 }, | |
1288 | { SOUND_MIXER_ALTPCM, "PCM", 1 }, | |
1289 | { SOUND_MIXER_ALTPCM, "Headphone", 0 }, /* fallback */ | |
1290 | { SOUND_MIXER_ALTPCM, "Wave", 0 }, /* fallback */ | |
1291 | { SOUND_MIXER_RECLEV, "-- nothing --", 0 }, | |
1292 | { SOUND_MIXER_IGAIN, "Capture", 0 }, | |
1293 | { SOUND_MIXER_OGAIN, "Playback", 0 }, | |
1294 | { SOUND_MIXER_LINE1, "Aux", 0 }, | |
1295 | { SOUND_MIXER_LINE2, "Aux", 1 }, | |
1296 | { SOUND_MIXER_LINE3, "Aux", 2 }, | |
1297 | { SOUND_MIXER_DIGITAL1, "Digital", 0 }, | |
1298 | { SOUND_MIXER_DIGITAL1, "IEC958", 0 }, /* fallback */ | |
1299 | { SOUND_MIXER_DIGITAL1, "IEC958 Optical", 0 }, /* fallback */ | |
1300 | { SOUND_MIXER_DIGITAL1, "IEC958 Coaxial", 0 }, /* fallback */ | |
1301 | { SOUND_MIXER_DIGITAL2, "Digital", 1 }, | |
1302 | { SOUND_MIXER_DIGITAL3, "Digital", 2 }, | |
1303 | { SOUND_MIXER_PHONEIN, "Phone", 0 }, | |
1304 | { SOUND_MIXER_PHONEOUT, "Master Mono", 0 }, | |
6c4cc3a8 TI |
1305 | { SOUND_MIXER_PHONEOUT, "Speaker", 0 }, /*fallback*/ |
1306 | { SOUND_MIXER_PHONEOUT, "Mono", 0 }, /*fallback*/ | |
1da177e4 LT |
1307 | { SOUND_MIXER_PHONEOUT, "Phone", 0 }, /* fallback */ |
1308 | { SOUND_MIXER_VIDEO, "Video", 0 }, | |
1309 | { SOUND_MIXER_RADIO, "Radio", 0 }, | |
1310 | { SOUND_MIXER_MONITOR, "Monitor", 0 } | |
1311 | }; | |
1312 | unsigned int idx; | |
1313 | ||
1314 | for (idx = 0; idx < ARRAY_SIZE(table); idx++) | |
1315 | snd_mixer_oss_build_input(mixer, &table[idx], 0, 0); | |
1316 | if (mixer->mask_recsrc) { | |
1317 | mixer->get_recsrc = snd_mixer_oss_get_recsrc2; | |
1318 | mixer->put_recsrc = snd_mixer_oss_put_recsrc2; | |
1319 | } | |
1320 | } | |
1321 | ||
1322 | /* | |
1323 | * | |
1324 | */ | |
1325 | ||
1326 | static int snd_mixer_oss_free1(void *private) | |
1327 | { | |
f956b4a3 TI |
1328 | struct snd_mixer_oss *mixer = private; |
1329 | struct snd_card *card; | |
1da177e4 LT |
1330 | int idx; |
1331 | ||
7eaa943c TI |
1332 | if (!mixer) |
1333 | return 0; | |
1da177e4 | 1334 | card = mixer->card; |
7eaa943c TI |
1335 | if (snd_BUG_ON(mixer != card->mixer_oss)) |
1336 | return -ENXIO; | |
1da177e4 LT |
1337 | card->mixer_oss = NULL; |
1338 | for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) { | |
f956b4a3 | 1339 | struct snd_mixer_oss_slot *chn = &mixer->slots[idx]; |
1da177e4 LT |
1340 | if (chn->private_free) |
1341 | chn->private_free(chn); | |
1342 | } | |
1343 | kfree(mixer); | |
1344 | return 0; | |
1345 | } | |
1346 | ||
f956b4a3 | 1347 | static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd) |
1da177e4 | 1348 | { |
f956b4a3 | 1349 | struct snd_mixer_oss *mixer; |
1da177e4 LT |
1350 | |
1351 | if (cmd == SND_MIXER_OSS_NOTIFY_REGISTER) { | |
1da177e4 LT |
1352 | int idx, err; |
1353 | ||
1354 | mixer = kcalloc(2, sizeof(*mixer), GFP_KERNEL); | |
1355 | if (mixer == NULL) | |
1356 | return -ENOMEM; | |
1a60d4c5 | 1357 | mutex_init(&mixer->reg_mutex); |
1da177e4 LT |
1358 | if ((err = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, |
1359 | card, 0, | |
80d7d771 | 1360 | &snd_mixer_oss_f_ops, card)) < 0) { |
61efcee8 TI |
1361 | dev_err(card->dev, |
1362 | "unable to register OSS mixer device %i:%i\n", | |
1363 | card->number, 0); | |
1da177e4 LT |
1364 | kfree(mixer); |
1365 | return err; | |
1366 | } | |
1367 | mixer->oss_dev_alloc = 1; | |
1368 | mixer->card = card; | |
1369 | if (*card->mixername) | |
1370 | strlcpy(mixer->name, card->mixername, sizeof(mixer->name)); | |
1371 | else | |
80d7d771 TI |
1372 | snprintf(mixer->name, sizeof(mixer->name), |
1373 | "mixer%i", card->number); | |
1da177e4 LT |
1374 | #ifdef SNDRV_OSS_INFO_DEV_MIXERS |
1375 | snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIXERS, | |
1376 | card->number, | |
1377 | mixer->name); | |
1378 | #endif | |
1379 | for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) | |
1380 | mixer->slots[idx].number = idx; | |
1381 | card->mixer_oss = mixer; | |
1382 | snd_mixer_oss_build(mixer); | |
1383 | snd_mixer_oss_proc_init(mixer); | |
c461482c | 1384 | } else { |
1da177e4 LT |
1385 | mixer = card->mixer_oss; |
1386 | if (mixer == NULL) | |
1387 | return 0; | |
c461482c | 1388 | if (mixer->oss_dev_alloc) { |
1da177e4 | 1389 | #ifdef SNDRV_OSS_INFO_DEV_MIXERS |
c461482c | 1390 | snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIXERS, mixer->card->number); |
1da177e4 | 1391 | #endif |
1da177e4 | 1392 | snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, mixer->card, 0); |
c461482c TI |
1393 | mixer->oss_dev_alloc = 0; |
1394 | } | |
1395 | if (cmd == SND_MIXER_OSS_NOTIFY_DISCONNECT) | |
1396 | return 0; | |
1da177e4 LT |
1397 | snd_mixer_oss_proc_done(mixer); |
1398 | return snd_mixer_oss_free1(mixer); | |
1399 | } | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static int __init alsa_mixer_oss_init(void) | |
1404 | { | |
1405 | int idx; | |
1406 | ||
1407 | snd_mixer_oss_notify_callback = snd_mixer_oss_notify_handler; | |
1408 | for (idx = 0; idx < SNDRV_CARDS; idx++) { | |
1409 | if (snd_cards[idx]) | |
1410 | snd_mixer_oss_notify_handler(snd_cards[idx], SND_MIXER_OSS_NOTIFY_REGISTER); | |
1411 | } | |
1412 | return 0; | |
1413 | } | |
1414 | ||
1415 | static void __exit alsa_mixer_oss_exit(void) | |
1416 | { | |
1417 | int idx; | |
1418 | ||
1419 | snd_mixer_oss_notify_callback = NULL; | |
1420 | for (idx = 0; idx < SNDRV_CARDS; idx++) { | |
1421 | if (snd_cards[idx]) | |
1422 | snd_mixer_oss_notify_handler(snd_cards[idx], SND_MIXER_OSS_NOTIFY_FREE); | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | module_init(alsa_mixer_oss_init) | |
1427 | module_exit(alsa_mixer_oss_exit) | |
1428 | ||
1429 | EXPORT_SYMBOL(snd_mixer_oss_ioctl_card); |