2 * OSS emulation layer for the mixer interface
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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.
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.
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
22 #include <linux/init.h>
23 #include <linux/slab.h>
24 #include <linux/time.h>
25 #include <linux/string.h>
26 #include <linux/module.h>
27 #include <sound/core.h>
28 #include <sound/minors.h>
29 #include <sound/control.h>
30 #include <sound/info.h>
31 #include <sound/mixer_oss.h>
32 #include <linux/soundcard.h>
34 #define OSS_ALSAEMULVER _SIOR ('M', 249, int)
36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37 MODULE_DESCRIPTION("Mixer OSS emulation for ALSA.");
38 MODULE_LICENSE("GPL");
39 MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_MIXER);
41 static int snd_mixer_oss_open(struct inode *inode, struct file *file)
43 struct snd_card *card;
44 struct snd_mixer_oss_file *fmixer;
47 err = nonseekable_open(inode, file);
51 card = snd_lookup_oss_minor_data(iminor(inode),
52 SNDRV_OSS_DEVICE_TYPE_MIXER);
55 if (card->mixer_oss == NULL) {
59 err = snd_card_file_add(card, file);
64 fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL);
66 snd_card_file_remove(card, file);
71 fmixer->mixer = card->mixer_oss;
72 file->private_data = fmixer;
73 if (!try_module_get(card->module)) {
75 snd_card_file_remove(card, file);
83 static int snd_mixer_oss_release(struct inode *inode, struct file *file)
85 struct snd_mixer_oss_file *fmixer;
87 if (file->private_data) {
88 fmixer = file->private_data;
89 module_put(fmixer->card->module);
90 snd_card_file_remove(fmixer->card, file);
96 static int snd_mixer_oss_info(struct snd_mixer_oss_file *fmixer,
97 mixer_info __user *_info)
99 struct snd_card *card = fmixer->card;
100 struct snd_mixer_oss *mixer = fmixer->mixer;
101 struct mixer_info info;
103 memset(&info, 0, sizeof(info));
104 strlcpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id));
105 strlcpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name));
106 info.modify_counter = card->mixer_oss_change_count;
107 if (copy_to_user(_info, &info, sizeof(info)))
112 static int snd_mixer_oss_info_obsolete(struct snd_mixer_oss_file *fmixer,
113 _old_mixer_info __user *_info)
115 struct snd_card *card = fmixer->card;
116 struct snd_mixer_oss *mixer = fmixer->mixer;
117 _old_mixer_info info;
119 memset(&info, 0, sizeof(info));
120 strlcpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id));
121 strlcpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name));
122 if (copy_to_user(_info, &info, sizeof(info)))
127 static int snd_mixer_oss_caps(struct snd_mixer_oss_file *fmixer)
129 struct snd_mixer_oss *mixer = fmixer->mixer;
134 if (mixer->get_recsrc && mixer->put_recsrc)
135 result |= SOUND_CAP_EXCL_INPUT;
139 static int snd_mixer_oss_devmask(struct snd_mixer_oss_file *fmixer)
141 struct snd_mixer_oss *mixer = fmixer->mixer;
142 struct snd_mixer_oss_slot *pslot;
147 for (chn = 0; chn < 31; chn++) {
148 pslot = &mixer->slots[chn];
149 if (pslot->put_volume || pslot->put_recsrc)
155 static int snd_mixer_oss_stereodevs(struct snd_mixer_oss_file *fmixer)
157 struct snd_mixer_oss *mixer = fmixer->mixer;
158 struct snd_mixer_oss_slot *pslot;
163 for (chn = 0; chn < 31; chn++) {
164 pslot = &mixer->slots[chn];
165 if (pslot->put_volume && pslot->stereo)
171 static int snd_mixer_oss_recmask(struct snd_mixer_oss_file *fmixer)
173 struct snd_mixer_oss *mixer = fmixer->mixer;
178 if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
179 result = mixer->mask_recsrc;
181 struct snd_mixer_oss_slot *pslot;
183 for (chn = 0; chn < 31; chn++) {
184 pslot = &mixer->slots[chn];
185 if (pslot->put_recsrc)
192 static int snd_mixer_oss_get_recsrc(struct snd_mixer_oss_file *fmixer)
194 struct snd_mixer_oss *mixer = fmixer->mixer;
199 if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
202 if ((err = mixer->get_recsrc(fmixer, &index)) < 0)
206 struct snd_mixer_oss_slot *pslot;
208 for (chn = 0; chn < 31; chn++) {
209 pslot = &mixer->slots[chn];
210 if (pslot->get_recsrc) {
212 pslot->get_recsrc(fmixer, pslot, &active);
218 return mixer->oss_recsrc = result;
221 static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsrc)
223 struct snd_mixer_oss *mixer = fmixer->mixer;
224 struct snd_mixer_oss_slot *pslot;
231 if (mixer->get_recsrc && mixer->put_recsrc) { /* exclusive input */
232 if (recsrc & ~mixer->oss_recsrc)
233 recsrc &= ~mixer->oss_recsrc;
234 mixer->put_recsrc(fmixer, ffz(~recsrc));
235 mixer->get_recsrc(fmixer, &index);
238 for (chn = 0; chn < 31; chn++) {
239 pslot = &mixer->slots[chn];
240 if (pslot->put_recsrc) {
241 active = (recsrc & (1 << chn)) ? 1 : 0;
242 pslot->put_recsrc(fmixer, pslot, active);
246 for (chn = 0; chn < 31; chn++) {
247 pslot = &mixer->slots[chn];
248 if (pslot->get_recsrc) {
250 pslot->get_recsrc(fmixer, pslot, &active);
259 static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot)
261 struct snd_mixer_oss *mixer = fmixer->mixer;
262 struct snd_mixer_oss_slot *pslot;
263 int result = 0, left, right;
265 if (mixer == NULL || slot > 30)
267 pslot = &mixer->slots[slot];
268 left = pslot->volume[0];
269 right = pslot->volume[1];
270 if (pslot->get_volume)
271 result = pslot->get_volume(fmixer, pslot, &left, &right);
274 if (snd_BUG_ON(left < 0 || left > 100))
276 if (snd_BUG_ON(right < 0 || right > 100))
279 pslot->volume[0] = left;
280 pslot->volume[1] = right;
281 result = (left & 0xff) | ((right & 0xff) << 8);
286 static int snd_mixer_oss_set_volume(struct snd_mixer_oss_file *fmixer,
287 int slot, int volume)
289 struct snd_mixer_oss *mixer = fmixer->mixer;
290 struct snd_mixer_oss_slot *pslot;
291 int result = 0, left = volume & 0xff, right = (volume >> 8) & 0xff;
293 if (mixer == NULL || slot > 30)
295 pslot = &mixer->slots[slot];
302 if (pslot->put_volume)
303 result = pslot->put_volume(fmixer, pslot, left, right);
306 pslot->volume[0] = left;
307 pslot->volume[1] = right;
308 return (left & 0xff) | ((right & 0xff) << 8);
311 static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int cmd, unsigned long arg)
313 void __user *argp = (void __user *)arg;
314 int __user *p = argp;
317 if (snd_BUG_ON(!fmixer))
319 if (((cmd >> 8) & 0xff) == 'M') {
321 case SOUND_MIXER_INFO:
322 return snd_mixer_oss_info(fmixer, argp);
323 case SOUND_OLD_MIXER_INFO:
324 return snd_mixer_oss_info_obsolete(fmixer, argp);
325 case SOUND_MIXER_WRITE_RECSRC:
326 if (get_user(tmp, p))
328 tmp = snd_mixer_oss_set_recsrc(fmixer, tmp);
331 return put_user(tmp, p);
333 return put_user(SNDRV_OSS_VERSION, p);
334 case OSS_ALSAEMULVER:
335 return put_user(1, p);
336 case SOUND_MIXER_READ_DEVMASK:
337 tmp = snd_mixer_oss_devmask(fmixer);
340 return put_user(tmp, p);
341 case SOUND_MIXER_READ_STEREODEVS:
342 tmp = snd_mixer_oss_stereodevs(fmixer);
345 return put_user(tmp, p);
346 case SOUND_MIXER_READ_RECMASK:
347 tmp = snd_mixer_oss_recmask(fmixer);
350 return put_user(tmp, p);
351 case SOUND_MIXER_READ_CAPS:
352 tmp = snd_mixer_oss_caps(fmixer);
355 return put_user(tmp, p);
356 case SOUND_MIXER_READ_RECSRC:
357 tmp = snd_mixer_oss_get_recsrc(fmixer);
360 return put_user(tmp, p);
364 if (get_user(tmp, p))
366 tmp = snd_mixer_oss_set_volume(fmixer, cmd & 0xff, tmp);
369 return put_user(tmp, p);
370 } else if (cmd & SIOC_OUT) {
371 tmp = snd_mixer_oss_get_volume(fmixer, cmd & 0xff);
374 return put_user(tmp, p);
379 static long snd_mixer_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
381 return snd_mixer_oss_ioctl1(file->private_data, cmd, arg);
384 int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg)
386 struct snd_mixer_oss_file fmixer;
388 if (snd_BUG_ON(!card))
390 if (card->mixer_oss == NULL)
392 memset(&fmixer, 0, sizeof(fmixer));
394 fmixer.mixer = card->mixer_oss;
395 return snd_mixer_oss_ioctl1(&fmixer, cmd, arg);
400 #define snd_mixer_oss_ioctl_compat snd_mixer_oss_ioctl
402 #define snd_mixer_oss_ioctl_compat NULL
409 static const struct file_operations snd_mixer_oss_f_ops =
411 .owner = THIS_MODULE,
412 .open = snd_mixer_oss_open,
413 .release = snd_mixer_oss_release,
415 .unlocked_ioctl = snd_mixer_oss_ioctl,
416 .compat_ioctl = snd_mixer_oss_ioctl_compat,
423 static long snd_mixer_oss_conv(long val, long omin, long omax, long nmin, long nmax)
425 long orange = omax - omin, nrange = nmax - nmin;
429 return ((nrange * (val - omin)) + (orange / 2)) / orange + nmin;
432 /* convert from alsa native to oss values (0-100) */
433 static long snd_mixer_oss_conv1(long val, long min, long max, int *old)
435 if (val == snd_mixer_oss_conv(*old, 0, 100, min, max))
437 return snd_mixer_oss_conv(val, min, max, 0, 100);
440 /* convert from oss to alsa native values */
441 static long snd_mixer_oss_conv2(long val, long min, long max)
443 return snd_mixer_oss_conv(val, 0, 100, min, max);
447 static void snd_mixer_oss_recsrce_set(struct snd_card *card, int slot)
449 struct snd_mixer_oss *mixer = card->mixer_oss;
451 mixer->mask_recsrc |= 1 << slot;
454 static int snd_mixer_oss_recsrce_get(struct snd_card *card, int slot)
456 struct snd_mixer_oss *mixer = card->mixer_oss;
457 if (mixer && (mixer->mask_recsrc & (1 << slot)))
463 #define SNDRV_MIXER_OSS_SIGNATURE 0x65999250
465 #define SNDRV_MIXER_OSS_ITEM_GLOBAL 0
466 #define SNDRV_MIXER_OSS_ITEM_GSWITCH 1
467 #define SNDRV_MIXER_OSS_ITEM_GROUTE 2
468 #define SNDRV_MIXER_OSS_ITEM_GVOLUME 3
469 #define SNDRV_MIXER_OSS_ITEM_PSWITCH 4
470 #define SNDRV_MIXER_OSS_ITEM_PROUTE 5
471 #define SNDRV_MIXER_OSS_ITEM_PVOLUME 6
472 #define SNDRV_MIXER_OSS_ITEM_CSWITCH 7
473 #define SNDRV_MIXER_OSS_ITEM_CROUTE 8
474 #define SNDRV_MIXER_OSS_ITEM_CVOLUME 9
475 #define SNDRV_MIXER_OSS_ITEM_CAPTURE 10
477 #define SNDRV_MIXER_OSS_ITEM_COUNT 11
479 #define SNDRV_MIXER_OSS_PRESENT_GLOBAL (1<<0)
480 #define SNDRV_MIXER_OSS_PRESENT_GSWITCH (1<<1)
481 #define SNDRV_MIXER_OSS_PRESENT_GROUTE (1<<2)
482 #define SNDRV_MIXER_OSS_PRESENT_GVOLUME (1<<3)
483 #define SNDRV_MIXER_OSS_PRESENT_PSWITCH (1<<4)
484 #define SNDRV_MIXER_OSS_PRESENT_PROUTE (1<<5)
485 #define SNDRV_MIXER_OSS_PRESENT_PVOLUME (1<<6)
486 #define SNDRV_MIXER_OSS_PRESENT_CSWITCH (1<<7)
487 #define SNDRV_MIXER_OSS_PRESENT_CROUTE (1<<8)
488 #define SNDRV_MIXER_OSS_PRESENT_CVOLUME (1<<9)
489 #define SNDRV_MIXER_OSS_PRESENT_CAPTURE (1<<10)
492 unsigned int signature;
493 unsigned int present;
494 unsigned int channels;
495 unsigned int numid[SNDRV_MIXER_OSS_ITEM_COUNT];
496 unsigned int capture_item;
497 struct snd_mixer_oss_assign_table *assigned;
498 unsigned int allocated: 1;
501 #define ID_UNKNOWN ((unsigned int)-1)
503 static struct snd_kcontrol *snd_mixer_oss_test_id(struct snd_mixer_oss *mixer, const char *name, int index)
505 struct snd_card *card = mixer->card;
506 struct snd_ctl_elem_id id;
508 memset(&id, 0, sizeof(id));
509 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
510 strlcpy(id.name, name, sizeof(id.name));
512 return snd_ctl_find_id(card, &id);
515 static void snd_mixer_oss_get_volume1_vol(struct snd_mixer_oss_file *fmixer,
516 struct snd_mixer_oss_slot *pslot,
518 int *left, int *right)
520 struct snd_ctl_elem_info *uinfo;
521 struct snd_ctl_elem_value *uctl;
522 struct snd_kcontrol *kctl;
523 struct snd_card *card = fmixer->card;
525 if (numid == ID_UNKNOWN)
527 down_read(&card->controls_rwsem);
528 if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) {
529 up_read(&card->controls_rwsem);
532 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
533 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
534 if (uinfo == NULL || uctl == NULL)
536 if (kctl->info(kctl, uinfo))
538 if (kctl->get(kctl, uctl))
540 if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
541 uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
543 *left = snd_mixer_oss_conv1(uctl->value.integer.value[0], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[0]);
544 if (uinfo->count > 1)
545 *right = snd_mixer_oss_conv1(uctl->value.integer.value[1], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[1]);
547 up_read(&card->controls_rwsem);
552 static void snd_mixer_oss_get_volume1_sw(struct snd_mixer_oss_file *fmixer,
553 struct snd_mixer_oss_slot *pslot,
555 int *left, int *right,
558 struct snd_ctl_elem_info *uinfo;
559 struct snd_ctl_elem_value *uctl;
560 struct snd_kcontrol *kctl;
561 struct snd_card *card = fmixer->card;
563 if (numid == ID_UNKNOWN)
565 down_read(&card->controls_rwsem);
566 if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) {
567 up_read(&card->controls_rwsem);
570 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
571 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
572 if (uinfo == NULL || uctl == NULL)
574 if (kctl->info(kctl, uinfo))
576 if (kctl->get(kctl, uctl))
578 if (!uctl->value.integer.value[0]) {
580 if (uinfo->count == 1)
583 if (uinfo->count > 1 && !uctl->value.integer.value[route ? 3 : 1])
586 up_read(&card->controls_rwsem);
591 static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer,
592 struct snd_mixer_oss_slot *pslot,
593 int *left, int *right)
595 struct slot *slot = pslot->private_data;
597 *left = *right = 100;
598 if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
599 snd_mixer_oss_get_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right);
600 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GVOLUME) {
601 snd_mixer_oss_get_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GVOLUME], left, right);
602 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GLOBAL) {
603 snd_mixer_oss_get_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GLOBAL], left, right);
605 if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH) {
606 snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0);
607 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH) {
608 snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0);
609 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE) {
610 snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1);
611 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE) {
612 snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1);
617 static void snd_mixer_oss_put_volume1_vol(struct snd_mixer_oss_file *fmixer,
618 struct snd_mixer_oss_slot *pslot,
622 struct snd_ctl_elem_info *uinfo;
623 struct snd_ctl_elem_value *uctl;
624 struct snd_kcontrol *kctl;
625 struct snd_card *card = fmixer->card;
628 if (numid == ID_UNKNOWN)
630 down_read(&card->controls_rwsem);
631 if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) {
632 up_read(&card->controls_rwsem);
635 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
636 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
637 if (uinfo == NULL || uctl == NULL)
639 if (kctl->info(kctl, uinfo))
641 if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
642 uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
644 uctl->value.integer.value[0] = snd_mixer_oss_conv2(left, uinfo->value.integer.min, uinfo->value.integer.max);
645 if (uinfo->count > 1)
646 uctl->value.integer.value[1] = snd_mixer_oss_conv2(right, uinfo->value.integer.min, uinfo->value.integer.max);
647 if ((res = kctl->put(kctl, uctl)) < 0)
650 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
652 up_read(&card->controls_rwsem);
657 static void snd_mixer_oss_put_volume1_sw(struct snd_mixer_oss_file *fmixer,
658 struct snd_mixer_oss_slot *pslot,
663 struct snd_ctl_elem_info *uinfo;
664 struct snd_ctl_elem_value *uctl;
665 struct snd_kcontrol *kctl;
666 struct snd_card *card = fmixer->card;
669 if (numid == ID_UNKNOWN)
671 down_read(&card->controls_rwsem);
672 if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) {
673 up_read(&card->controls_rwsem);
676 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
677 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
678 if (uinfo == NULL || uctl == NULL)
680 if (kctl->info(kctl, uinfo))
682 if (uinfo->count > 1) {
683 uctl->value.integer.value[0] = left > 0 ? 1 : 0;
684 uctl->value.integer.value[route ? 3 : 1] = right > 0 ? 1 : 0;
686 uctl->value.integer.value[1] =
687 uctl->value.integer.value[2] = 0;
690 uctl->value.integer.value[0] = (left > 0 || right > 0) ? 1 : 0;
692 if ((res = kctl->put(kctl, uctl)) < 0)
695 snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
697 up_read(&card->controls_rwsem);
702 static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer,
703 struct snd_mixer_oss_slot *pslot,
706 struct slot *slot = pslot->private_data;
708 if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
709 snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right);
710 if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME)
711 snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CVOLUME], left, right);
712 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME) {
713 snd_mixer_oss_put_volume1_vol(fmixer, pslot,
714 slot->numid[SNDRV_MIXER_OSS_ITEM_CVOLUME], left, right);
715 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GVOLUME) {
716 snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GVOLUME], left, right);
717 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GLOBAL) {
718 snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GLOBAL], left, right);
721 if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH)
722 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0);
723 if (slot->present & SNDRV_MIXER_OSS_PRESENT_CSWITCH)
724 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], left, right, 0);
725 if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH)
726 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0);
727 if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE)
728 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1);
729 if (slot->present & SNDRV_MIXER_OSS_PRESENT_CROUTE)
730 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], left, right, 1);
731 if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE)
732 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1);
734 if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH) {
735 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0);
736 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CSWITCH) {
737 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], left, right, 0);
738 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH) {
739 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0);
740 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE) {
741 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1);
742 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CROUTE) {
743 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], left, right, 1);
744 } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE) {
745 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1);
751 static int snd_mixer_oss_get_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
752 struct snd_mixer_oss_slot *pslot,
755 struct slot *slot = pslot->private_data;
759 snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], &left, &right, 0);
760 *active = (left || right) ? 1 : 0;
764 static int snd_mixer_oss_get_recsrc1_route(struct snd_mixer_oss_file *fmixer,
765 struct snd_mixer_oss_slot *pslot,
768 struct slot *slot = pslot->private_data;
772 snd_mixer_oss_get_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], &left, &right, 1);
773 *active = (left || right) ? 1 : 0;
777 static int snd_mixer_oss_put_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
778 struct snd_mixer_oss_slot *pslot,
781 struct slot *slot = pslot->private_data;
783 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], active, active, 0);
787 static int snd_mixer_oss_put_recsrc1_route(struct snd_mixer_oss_file *fmixer,
788 struct snd_mixer_oss_slot *pslot,
791 struct slot *slot = pslot->private_data;
793 snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], active, active, 1);
797 static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int *active_index)
799 struct snd_card *card = fmixer->card;
800 struct snd_mixer_oss *mixer = fmixer->mixer;
801 struct snd_kcontrol *kctl;
802 struct snd_mixer_oss_slot *pslot;
804 struct snd_ctl_elem_info *uinfo;
805 struct snd_ctl_elem_value *uctl;
808 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
809 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
810 if (uinfo == NULL || uctl == NULL) {
814 down_read(&card->controls_rwsem);
815 kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
820 if ((err = kctl->info(kctl, uinfo)) < 0)
822 if ((err = kctl->get(kctl, uctl)) < 0)
824 for (idx = 0; idx < 32; idx++) {
825 if (!(mixer->mask_recsrc & (1 << idx)))
827 pslot = &mixer->slots[idx];
828 slot = pslot->private_data;
829 if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
831 if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
833 if (slot->capture_item == uctl->value.enumerated.item[0]) {
840 up_read(&card->controls_rwsem);
847 static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int active_index)
849 struct snd_card *card = fmixer->card;
850 struct snd_mixer_oss *mixer = fmixer->mixer;
851 struct snd_kcontrol *kctl;
852 struct snd_mixer_oss_slot *pslot;
853 struct slot *slot = NULL;
854 struct snd_ctl_elem_info *uinfo;
855 struct snd_ctl_elem_value *uctl;
859 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
860 uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
861 if (uinfo == NULL || uctl == NULL) {
865 down_read(&card->controls_rwsem);
866 kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
871 if ((err = kctl->info(kctl, uinfo)) < 0)
873 for (idx = 0; idx < 32; idx++) {
874 if (!(mixer->mask_recsrc & (1 << idx)))
876 pslot = &mixer->slots[idx];
877 slot = pslot->private_data;
878 if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
880 if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
882 if (idx == active_index)
888 for (idx = 0; idx < uinfo->count; idx++)
889 uctl->value.enumerated.item[idx] = slot->capture_item;
890 err = kctl->put(kctl, uctl);
892 snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
895 up_read(&card->controls_rwsem);
902 struct snd_mixer_oss_assign_table {
908 static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *slot, const char *name, int index, int item)
910 struct snd_ctl_elem_info *info;
911 struct snd_kcontrol *kcontrol;
912 struct snd_card *card = mixer->card;
915 down_read(&card->controls_rwsem);
916 kcontrol = snd_mixer_oss_test_id(mixer, name, index);
917 if (kcontrol == NULL) {
918 up_read(&card->controls_rwsem);
921 info = kmalloc(sizeof(*info), GFP_KERNEL);
923 up_read(&card->controls_rwsem);
926 if ((err = kcontrol->info(kcontrol, info)) < 0) {
927 up_read(&card->controls_rwsem);
931 slot->numid[item] = kcontrol->id.numid;
932 up_read(&card->controls_rwsem);
933 if (info->count > slot->channels)
934 slot->channels = info->count;
935 slot->present |= 1 << item;
940 static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
942 struct slot *p = chn->private_data;
944 if (p->allocated && p->assigned) {
945 kfree(p->assigned->name);
952 static void mixer_slot_clear(struct snd_mixer_oss_slot *rslot)
954 int idx = rslot->number; /* remember this */
955 if (rslot->private_free)
956 rslot->private_free(rslot);
957 memset(rslot, 0, sizeof(*rslot));
961 /* In a separate function to keep gcc 3.2 happy - do NOT merge this in
962 snd_mixer_oss_build_input! */
963 static int snd_mixer_oss_build_test_all(struct snd_mixer_oss *mixer,
964 struct snd_mixer_oss_assign_table *ptr,
970 err = snd_mixer_oss_build_test(mixer, slot, ptr->name, ptr->index,
971 SNDRV_MIXER_OSS_ITEM_GLOBAL);
974 sprintf(str, "%s Switch", ptr->name);
975 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
976 SNDRV_MIXER_OSS_ITEM_GSWITCH);
979 sprintf(str, "%s Route", ptr->name);
980 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
981 SNDRV_MIXER_OSS_ITEM_GROUTE);
984 sprintf(str, "%s Volume", ptr->name);
985 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
986 SNDRV_MIXER_OSS_ITEM_GVOLUME);
989 sprintf(str, "%s Playback Switch", ptr->name);
990 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
991 SNDRV_MIXER_OSS_ITEM_PSWITCH);
994 sprintf(str, "%s Playback Route", ptr->name);
995 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
996 SNDRV_MIXER_OSS_ITEM_PROUTE);
999 sprintf(str, "%s Playback Volume", ptr->name);
1000 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
1001 SNDRV_MIXER_OSS_ITEM_PVOLUME);
1004 sprintf(str, "%s Capture Switch", ptr->name);
1005 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
1006 SNDRV_MIXER_OSS_ITEM_CSWITCH);
1009 sprintf(str, "%s Capture Route", ptr->name);
1010 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
1011 SNDRV_MIXER_OSS_ITEM_CROUTE);
1014 sprintf(str, "%s Capture Volume", ptr->name);
1015 err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
1016 SNDRV_MIXER_OSS_ITEM_CVOLUME);
1024 * build an OSS mixer element.
1025 * ptr_allocated means the entry is dynamically allocated (change via proc file).
1026 * when replace_old = 1, the old entry is replaced with the new one.
1028 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)
1032 struct snd_kcontrol *kctl;
1033 struct snd_mixer_oss_slot *rslot;
1036 /* check if already assigned */
1037 if (mixer->slots[ptr->oss_id].get_volume && ! replace_old)
1040 memset(&slot, 0, sizeof(slot));
1041 memset(slot.numid, 0xff, sizeof(slot.numid)); /* ID_UNKNOWN */
1042 if (snd_mixer_oss_build_test_all(mixer, ptr, &slot))
1044 down_read(&mixer->card->controls_rwsem);
1045 if (ptr->index == 0 && (kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0)) != NULL) {
1046 struct snd_ctl_elem_info *uinfo;
1048 uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
1050 up_read(&mixer->card->controls_rwsem);
1054 if (kctl->info(kctl, uinfo)) {
1055 up_read(&mixer->card->controls_rwsem);
1059 strcpy(str, ptr->name);
1060 if (!strcmp(str, "Master"))
1062 if (!strcmp(str, "Master Mono"))
1063 strcpy(str, "Mix Mono");
1064 slot.capture_item = 0;
1065 if (!strcmp(uinfo->value.enumerated.name, str)) {
1066 slot.present |= SNDRV_MIXER_OSS_PRESENT_CAPTURE;
1068 for (slot.capture_item = 1; slot.capture_item < uinfo->value.enumerated.items; slot.capture_item++) {
1069 uinfo->value.enumerated.item = slot.capture_item;
1070 if (kctl->info(kctl, uinfo)) {
1071 up_read(&mixer->card->controls_rwsem);
1075 if (!strcmp(uinfo->value.enumerated.name, str)) {
1076 slot.present |= SNDRV_MIXER_OSS_PRESENT_CAPTURE;
1083 up_read(&mixer->card->controls_rwsem);
1084 if (slot.present != 0) {
1085 pslot = kmalloc(sizeof(slot), GFP_KERNEL);
1089 pslot->signature = SNDRV_MIXER_OSS_SIGNATURE;
1090 pslot->assigned = ptr;
1091 pslot->allocated = ptr_allocated;
1092 rslot = &mixer->slots[ptr->oss_id];
1093 mixer_slot_clear(rslot);
1094 rslot->stereo = slot.channels > 1 ? 1 : 0;
1095 rslot->get_volume = snd_mixer_oss_get_volume1;
1096 rslot->put_volume = snd_mixer_oss_put_volume1;
1097 /* note: ES18xx have both Capture Source and XX Capture Volume !!! */
1098 if (slot.present & SNDRV_MIXER_OSS_PRESENT_CSWITCH) {
1099 rslot->get_recsrc = snd_mixer_oss_get_recsrc1_sw;
1100 rslot->put_recsrc = snd_mixer_oss_put_recsrc1_sw;
1101 } else if (slot.present & SNDRV_MIXER_OSS_PRESENT_CROUTE) {
1102 rslot->get_recsrc = snd_mixer_oss_get_recsrc1_route;
1103 rslot->put_recsrc = snd_mixer_oss_put_recsrc1_route;
1104 } else if (slot.present & SNDRV_MIXER_OSS_PRESENT_CAPTURE) {
1105 mixer->mask_recsrc |= 1 << ptr->oss_id;
1107 rslot->private_data = pslot;
1108 rslot->private_free = snd_mixer_oss_slot_free;
1114 #ifdef CONFIG_PROC_FS
1117 #define MIXER_VOL(name) [SOUND_MIXER_##name] = #name
1118 static char *oss_mixer_names[SNDRV_OSS_MAX_MIXERS] = {
1136 MIXER_VOL(DIGITAL1),
1137 MIXER_VOL(DIGITAL2),
1138 MIXER_VOL(DIGITAL3),
1140 MIXER_VOL(PHONEOUT),
1150 static void snd_mixer_oss_proc_read(struct snd_info_entry *entry,
1151 struct snd_info_buffer *buffer)
1153 struct snd_mixer_oss *mixer = entry->private_data;
1156 mutex_lock(&mixer->reg_mutex);
1157 for (i = 0; i < SNDRV_OSS_MAX_MIXERS; i++) {
1160 if (! oss_mixer_names[i])
1162 p = (struct slot *)mixer->slots[i].private_data;
1163 snd_iprintf(buffer, "%s ", oss_mixer_names[i]);
1164 if (p && p->assigned)
1165 snd_iprintf(buffer, "\"%s\" %d\n",
1167 p->assigned->index);
1169 snd_iprintf(buffer, "\"\" 0\n");
1171 mutex_unlock(&mixer->reg_mutex);
1174 static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
1175 struct snd_info_buffer *buffer)
1177 struct snd_mixer_oss *mixer = entry->private_data;
1178 char line[128], str[32], idxstr[16];
1181 struct snd_mixer_oss_assign_table *tbl;
1184 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1185 cptr = snd_info_get_str(str, line, sizeof(str));
1186 for (ch = 0; ch < SNDRV_OSS_MAX_MIXERS; ch++)
1187 if (oss_mixer_names[ch] && strcmp(oss_mixer_names[ch], str) == 0)
1189 if (ch >= SNDRV_OSS_MAX_MIXERS) {
1190 pr_err("ALSA: mixer_oss: invalid OSS volume '%s'\n",
1194 cptr = snd_info_get_str(str, cptr, sizeof(str));
1196 /* remove the entry */
1197 mutex_lock(&mixer->reg_mutex);
1198 mixer_slot_clear(&mixer->slots[ch]);
1199 mutex_unlock(&mixer->reg_mutex);
1202 snd_info_get_str(idxstr, cptr, sizeof(idxstr));
1203 idx = simple_strtoul(idxstr, NULL, 10);
1204 if (idx >= 0x4000) { /* too big */
1205 pr_err("ALSA: mixer_oss: invalid index %d\n", idx);
1208 mutex_lock(&mixer->reg_mutex);
1209 slot = (struct slot *)mixer->slots[ch].private_data;
1210 if (slot && slot->assigned &&
1211 slot->assigned->index == idx && ! strcmp(slot->assigned->name, str))
1214 tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
1216 pr_err("ALSA: mixer_oss: no memory\n");
1220 tbl->name = kstrdup(str, GFP_KERNEL);
1226 if (snd_mixer_oss_build_input(mixer, tbl, 1, 1) <= 0) {
1231 mutex_unlock(&mixer->reg_mutex);
1235 static void snd_mixer_oss_proc_init(struct snd_mixer_oss *mixer)
1237 struct snd_info_entry *entry;
1239 entry = snd_info_create_card_entry(mixer->card, "oss_mixer",
1240 mixer->card->proc_root);
1243 entry->content = SNDRV_INFO_CONTENT_TEXT;
1244 entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
1245 entry->c.text.read = snd_mixer_oss_proc_read;
1246 entry->c.text.write = snd_mixer_oss_proc_write;
1247 entry->private_data = mixer;
1248 if (snd_info_register(entry) < 0) {
1249 snd_info_free_entry(entry);
1252 mixer->proc_entry = entry;
1255 static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer)
1257 snd_info_free_entry(mixer->proc_entry);
1258 mixer->proc_entry = NULL;
1260 #else /* !CONFIG_PROC_FS */
1261 #define snd_mixer_oss_proc_init(mix)
1262 #define snd_mixer_oss_proc_done(mix)
1263 #endif /* CONFIG_PROC_FS */
1265 static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
1267 static struct snd_mixer_oss_assign_table table[] = {
1268 { SOUND_MIXER_VOLUME, "Master", 0 },
1269 { SOUND_MIXER_VOLUME, "Front", 0 }, /* fallback */
1270 { SOUND_MIXER_BASS, "Tone Control - Bass", 0 },
1271 { SOUND_MIXER_TREBLE, "Tone Control - Treble", 0 },
1272 { SOUND_MIXER_SYNTH, "Synth", 0 },
1273 { SOUND_MIXER_SYNTH, "FM", 0 }, /* fallback */
1274 { SOUND_MIXER_SYNTH, "Music", 0 }, /* fallback */
1275 { SOUND_MIXER_PCM, "PCM", 0 },
1276 { SOUND_MIXER_SPEAKER, "Beep", 0 },
1277 { SOUND_MIXER_SPEAKER, "PC Speaker", 0 }, /* fallback */
1278 { SOUND_MIXER_SPEAKER, "Speaker", 0 }, /* fallback */
1279 { SOUND_MIXER_LINE, "Line", 0 },
1280 { SOUND_MIXER_MIC, "Mic", 0 },
1281 { SOUND_MIXER_CD, "CD", 0 },
1282 { SOUND_MIXER_IMIX, "Monitor Mix", 0 },
1283 { SOUND_MIXER_ALTPCM, "PCM", 1 },
1284 { SOUND_MIXER_ALTPCM, "Headphone", 0 }, /* fallback */
1285 { SOUND_MIXER_ALTPCM, "Wave", 0 }, /* fallback */
1286 { SOUND_MIXER_RECLEV, "-- nothing --", 0 },
1287 { SOUND_MIXER_IGAIN, "Capture", 0 },
1288 { SOUND_MIXER_OGAIN, "Playback", 0 },
1289 { SOUND_MIXER_LINE1, "Aux", 0 },
1290 { SOUND_MIXER_LINE2, "Aux", 1 },
1291 { SOUND_MIXER_LINE3, "Aux", 2 },
1292 { SOUND_MIXER_DIGITAL1, "Digital", 0 },
1293 { SOUND_MIXER_DIGITAL1, "IEC958", 0 }, /* fallback */
1294 { SOUND_MIXER_DIGITAL1, "IEC958 Optical", 0 }, /* fallback */
1295 { SOUND_MIXER_DIGITAL1, "IEC958 Coaxial", 0 }, /* fallback */
1296 { SOUND_MIXER_DIGITAL2, "Digital", 1 },
1297 { SOUND_MIXER_DIGITAL3, "Digital", 2 },
1298 { SOUND_MIXER_PHONEIN, "Phone", 0 },
1299 { SOUND_MIXER_PHONEOUT, "Master Mono", 0 },
1300 { SOUND_MIXER_PHONEOUT, "Speaker", 0 }, /*fallback*/
1301 { SOUND_MIXER_PHONEOUT, "Mono", 0 }, /*fallback*/
1302 { SOUND_MIXER_PHONEOUT, "Phone", 0 }, /* fallback */
1303 { SOUND_MIXER_VIDEO, "Video", 0 },
1304 { SOUND_MIXER_RADIO, "Radio", 0 },
1305 { SOUND_MIXER_MONITOR, "Monitor", 0 }
1309 for (idx = 0; idx < ARRAY_SIZE(table); idx++)
1310 snd_mixer_oss_build_input(mixer, &table[idx], 0, 0);
1311 if (mixer->mask_recsrc) {
1312 mixer->get_recsrc = snd_mixer_oss_get_recsrc2;
1313 mixer->put_recsrc = snd_mixer_oss_put_recsrc2;
1321 static int snd_mixer_oss_free1(void *private)
1323 struct snd_mixer_oss *mixer = private;
1324 struct snd_card *card;
1330 if (snd_BUG_ON(mixer != card->mixer_oss))
1332 card->mixer_oss = NULL;
1333 for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) {
1334 struct snd_mixer_oss_slot *chn = &mixer->slots[idx];
1335 if (chn->private_free)
1336 chn->private_free(chn);
1342 static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd)
1344 struct snd_mixer_oss *mixer;
1346 if (cmd == SND_MIXER_OSS_NOTIFY_REGISTER) {
1349 mixer = kcalloc(2, sizeof(*mixer), GFP_KERNEL);
1352 mutex_init(&mixer->reg_mutex);
1353 if ((err = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER,
1355 &snd_mixer_oss_f_ops, card)) < 0) {
1357 "unable to register OSS mixer device %i:%i\n",
1362 mixer->oss_dev_alloc = 1;
1364 if (*card->mixername)
1365 strlcpy(mixer->name, card->mixername, sizeof(mixer->name));
1367 snprintf(mixer->name, sizeof(mixer->name),
1368 "mixer%i", card->number);
1369 #ifdef SNDRV_OSS_INFO_DEV_MIXERS
1370 snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIXERS,
1374 for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++)
1375 mixer->slots[idx].number = idx;
1376 card->mixer_oss = mixer;
1377 snd_mixer_oss_build(mixer);
1378 snd_mixer_oss_proc_init(mixer);
1380 mixer = card->mixer_oss;
1383 if (mixer->oss_dev_alloc) {
1384 #ifdef SNDRV_OSS_INFO_DEV_MIXERS
1385 snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIXERS, mixer->card->number);
1387 snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, mixer->card, 0);
1388 mixer->oss_dev_alloc = 0;
1390 if (cmd == SND_MIXER_OSS_NOTIFY_DISCONNECT)
1392 snd_mixer_oss_proc_done(mixer);
1393 return snd_mixer_oss_free1(mixer);
1398 static int __init alsa_mixer_oss_init(void)
1402 snd_mixer_oss_notify_callback = snd_mixer_oss_notify_handler;
1403 for (idx = 0; idx < SNDRV_CARDS; idx++) {
1405 snd_mixer_oss_notify_handler(snd_cards[idx], SND_MIXER_OSS_NOTIFY_REGISTER);
1410 static void __exit alsa_mixer_oss_exit(void)
1414 snd_mixer_oss_notify_callback = NULL;
1415 for (idx = 0; idx < SNDRV_CARDS; idx++) {
1417 snd_mixer_oss_notify_handler(snd_cards[idx], SND_MIXER_OSS_NOTIFY_FREE);
1421 module_init(alsa_mixer_oss_init)
1422 module_exit(alsa_mixer_oss_exit)
1424 EXPORT_SYMBOL(snd_mixer_oss_ioctl_card);