Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * OSS emulation layer for the mixer interface |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/slab.h> |
| 24 | #include <linux/time.h> |
Paulo Marques | 543537b | 2005-06-23 00:09:02 -0700 | [diff] [blame] | 25 | #include <linux/string.h> |
Paul Gortmaker | da155d5 | 2011-07-15 12:38:28 -0400 | [diff] [blame] | 26 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
| 33 | |
| 34 | #define OSS_ALSAEMULVER _SIOR ('M', 249, int) |
| 35 | |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 36 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | MODULE_DESCRIPTION("Mixer OSS emulation for ALSA."); |
| 38 | MODULE_LICENSE("GPL"); |
| 39 | MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_MIXER); |
| 40 | |
| 41 | static int snd_mixer_oss_open(struct inode *inode, struct file *file) |
| 42 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 43 | struct snd_card *card; |
| 44 | struct snd_mixer_oss_file *fmixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | int err; |
| 46 | |
Takashi Iwai | 02f4865 | 2010-04-13 11:49:04 +0200 | [diff] [blame] | 47 | err = nonseekable_open(inode, file); |
| 48 | if (err < 0) |
| 49 | return err; |
| 50 | |
Clemens Ladisch | f87135f | 2005-11-20 14:06:59 +0100 | [diff] [blame] | 51 | card = snd_lookup_oss_minor_data(iminor(inode), |
| 52 | SNDRV_OSS_DEVICE_TYPE_MIXER); |
| 53 | if (card == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | return -ENODEV; |
Takashi Iwai | a0830db | 2012-10-16 13:05:59 +0200 | [diff] [blame] | 55 | if (card->mixer_oss == NULL) { |
| 56 | snd_card_unref(card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | return -ENODEV; |
Takashi Iwai | a0830db | 2012-10-16 13:05:59 +0200 | [diff] [blame] | 58 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | err = snd_card_file_add(card, file); |
Takashi Iwai | a0830db | 2012-10-16 13:05:59 +0200 | [diff] [blame] | 60 | if (err < 0) { |
| 61 | snd_card_unref(card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | return err; |
Takashi Iwai | a0830db | 2012-10-16 13:05:59 +0200 | [diff] [blame] | 63 | } |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 64 | fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | if (fmixer == NULL) { |
| 66 | snd_card_file_remove(card, file); |
Takashi Iwai | a0830db | 2012-10-16 13:05:59 +0200 | [diff] [blame] | 67 | snd_card_unref(card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | return -ENOMEM; |
| 69 | } |
| 70 | fmixer->card = card; |
| 71 | fmixer->mixer = card->mixer_oss; |
| 72 | file->private_data = fmixer; |
| 73 | if (!try_module_get(card->module)) { |
| 74 | kfree(fmixer); |
| 75 | snd_card_file_remove(card, file); |
Takashi Iwai | a0830db | 2012-10-16 13:05:59 +0200 | [diff] [blame] | 76 | snd_card_unref(card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | return -EFAULT; |
| 78 | } |
Takashi Iwai | 8bb4d9c | 2012-11-08 14:36:18 +0100 | [diff] [blame] | 79 | snd_card_unref(card); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | static int snd_mixer_oss_release(struct inode *inode, struct file *file) |
| 84 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 85 | struct snd_mixer_oss_file *fmixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
| 87 | if (file->private_data) { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 88 | fmixer = file->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | module_put(fmixer->card->module); |
| 90 | snd_card_file_remove(fmixer->card, file); |
| 91 | kfree(fmixer); |
| 92 | } |
| 93 | return 0; |
| 94 | } |
| 95 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 96 | static int snd_mixer_oss_info(struct snd_mixer_oss_file *fmixer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | mixer_info __user *_info) |
| 98 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 99 | struct snd_card *card = fmixer->card; |
| 100 | struct snd_mixer_oss *mixer = fmixer->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | struct mixer_info info; |
| 102 | |
| 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))) |
| 108 | return -EFAULT; |
| 109 | return 0; |
| 110 | } |
| 111 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 112 | static int snd_mixer_oss_info_obsolete(struct snd_mixer_oss_file *fmixer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | _old_mixer_info __user *_info) |
| 114 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 115 | struct snd_card *card = fmixer->card; |
| 116 | struct snd_mixer_oss *mixer = fmixer->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | _old_mixer_info info; |
| 118 | |
| 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))) |
| 123 | return -EFAULT; |
| 124 | return 0; |
| 125 | } |
| 126 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 127 | static int snd_mixer_oss_caps(struct snd_mixer_oss_file *fmixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 129 | struct snd_mixer_oss *mixer = fmixer->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | int result = 0; |
| 131 | |
| 132 | if (mixer == NULL) |
| 133 | return -EIO; |
| 134 | if (mixer->get_recsrc && mixer->put_recsrc) |
| 135 | result |= SOUND_CAP_EXCL_INPUT; |
| 136 | return result; |
| 137 | } |
| 138 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 139 | static int snd_mixer_oss_devmask(struct snd_mixer_oss_file *fmixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 141 | struct snd_mixer_oss *mixer = fmixer->mixer; |
| 142 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | int result = 0, chn; |
| 144 | |
| 145 | if (mixer == NULL) |
| 146 | return -EIO; |
| 147 | for (chn = 0; chn < 31; chn++) { |
| 148 | pslot = &mixer->slots[chn]; |
| 149 | if (pslot->put_volume || pslot->put_recsrc) |
| 150 | result |= 1 << chn; |
| 151 | } |
| 152 | return result; |
| 153 | } |
| 154 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 155 | static int snd_mixer_oss_stereodevs(struct snd_mixer_oss_file *fmixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 157 | struct snd_mixer_oss *mixer = fmixer->mixer; |
| 158 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | int result = 0, chn; |
| 160 | |
| 161 | if (mixer == NULL) |
| 162 | return -EIO; |
| 163 | for (chn = 0; chn < 31; chn++) { |
| 164 | pslot = &mixer->slots[chn]; |
| 165 | if (pslot->put_volume && pslot->stereo) |
| 166 | result |= 1 << chn; |
| 167 | } |
| 168 | return result; |
| 169 | } |
| 170 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 171 | static int snd_mixer_oss_recmask(struct snd_mixer_oss_file *fmixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 173 | struct snd_mixer_oss *mixer = fmixer->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | int result = 0; |
| 175 | |
| 176 | if (mixer == NULL) |
| 177 | return -EIO; |
| 178 | if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */ |
| 179 | result = mixer->mask_recsrc; |
| 180 | } else { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 181 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | int chn; |
| 183 | for (chn = 0; chn < 31; chn++) { |
| 184 | pslot = &mixer->slots[chn]; |
| 185 | if (pslot->put_recsrc) |
| 186 | result |= 1 << chn; |
| 187 | } |
| 188 | } |
| 189 | return result; |
| 190 | } |
| 191 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 192 | static int snd_mixer_oss_get_recsrc(struct snd_mixer_oss_file *fmixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 194 | struct snd_mixer_oss *mixer = fmixer->mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | int result = 0; |
| 196 | |
| 197 | if (mixer == NULL) |
| 198 | return -EIO; |
| 199 | if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */ |
| 200 | int err; |
Clemens Ladisch | fea952e | 2011-02-14 11:00:47 +0100 | [diff] [blame] | 201 | unsigned int index; |
| 202 | if ((err = mixer->get_recsrc(fmixer, &index)) < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | return err; |
Clemens Ladisch | fea952e | 2011-02-14 11:00:47 +0100 | [diff] [blame] | 204 | result = 1 << index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | } else { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 206 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | int chn; |
| 208 | for (chn = 0; chn < 31; chn++) { |
| 209 | pslot = &mixer->slots[chn]; |
| 210 | if (pslot->get_recsrc) { |
| 211 | int active = 0; |
| 212 | pslot->get_recsrc(fmixer, pslot, &active); |
| 213 | if (active) |
| 214 | result |= 1 << chn; |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | return mixer->oss_recsrc = result; |
| 219 | } |
| 220 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 221 | static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsrc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 223 | struct snd_mixer_oss *mixer = fmixer->mixer; |
| 224 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | int chn, active; |
Clemens Ladisch | fea952e | 2011-02-14 11:00:47 +0100 | [diff] [blame] | 226 | unsigned int index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | int result = 0; |
| 228 | |
| 229 | if (mixer == NULL) |
| 230 | return -EIO; |
| 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)); |
Clemens Ladisch | fea952e | 2011-02-14 11:00:47 +0100 | [diff] [blame] | 235 | mixer->get_recsrc(fmixer, &index); |
| 236 | result = 1 << index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | } |
| 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); |
| 243 | } |
| 244 | } |
| 245 | if (! result) { |
| 246 | for (chn = 0; chn < 31; chn++) { |
| 247 | pslot = &mixer->slots[chn]; |
| 248 | if (pslot->get_recsrc) { |
| 249 | active = 0; |
| 250 | pslot->get_recsrc(fmixer, pslot, &active); |
| 251 | if (active) |
| 252 | result |= 1 << chn; |
| 253 | } |
| 254 | } |
| 255 | } |
| 256 | return result; |
| 257 | } |
| 258 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 259 | static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 261 | struct snd_mixer_oss *mixer = fmixer->mixer; |
| 262 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | int result = 0, left, right; |
| 264 | |
| 265 | if (mixer == NULL || slot > 30) |
| 266 | return -EIO; |
| 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); |
| 272 | if (!pslot->stereo) |
| 273 | right = left; |
Takashi Iwai | 7eaa943 | 2008-08-08 17:09:09 +0200 | [diff] [blame] | 274 | if (snd_BUG_ON(left < 0 || left > 100)) |
| 275 | return -EIO; |
| 276 | if (snd_BUG_ON(right < 0 || right > 100)) |
| 277 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | if (result >= 0) { |
| 279 | pslot->volume[0] = left; |
| 280 | pslot->volume[1] = right; |
| 281 | result = (left & 0xff) | ((right & 0xff) << 8); |
| 282 | } |
| 283 | return result; |
| 284 | } |
| 285 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 286 | static int snd_mixer_oss_set_volume(struct snd_mixer_oss_file *fmixer, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | int slot, int volume) |
| 288 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 289 | struct snd_mixer_oss *mixer = fmixer->mixer; |
| 290 | struct snd_mixer_oss_slot *pslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | int result = 0, left = volume & 0xff, right = (volume >> 8) & 0xff; |
| 292 | |
| 293 | if (mixer == NULL || slot > 30) |
| 294 | return -EIO; |
| 295 | pslot = &mixer->slots[slot]; |
| 296 | if (left > 100) |
| 297 | left = 100; |
| 298 | if (right > 100) |
| 299 | right = 100; |
| 300 | if (!pslot->stereo) |
| 301 | right = left; |
| 302 | if (pslot->put_volume) |
| 303 | result = pslot->put_volume(fmixer, pslot, left, right); |
| 304 | if (result < 0) |
| 305 | return result; |
| 306 | pslot->volume[0] = left; |
| 307 | pslot->volume[1] = right; |
| 308 | return (left & 0xff) | ((right & 0xff) << 8); |
| 309 | } |
| 310 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 311 | static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int cmd, unsigned long arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | { |
| 313 | void __user *argp = (void __user *)arg; |
| 314 | int __user *p = argp; |
| 315 | int tmp; |
| 316 | |
Takashi Iwai | 7eaa943 | 2008-08-08 17:09:09 +0200 | [diff] [blame] | 317 | if (snd_BUG_ON(!fmixer)) |
| 318 | return -ENXIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | if (((cmd >> 8) & 0xff) == 'M') { |
| 320 | switch (cmd) { |
| 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)) |
| 327 | return -EFAULT; |
| 328 | tmp = snd_mixer_oss_set_recsrc(fmixer, tmp); |
| 329 | if (tmp < 0) |
| 330 | return tmp; |
| 331 | return put_user(tmp, p); |
| 332 | case OSS_GETVERSION: |
| 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); |
| 338 | if (tmp < 0) |
| 339 | return tmp; |
| 340 | return put_user(tmp, p); |
| 341 | case SOUND_MIXER_READ_STEREODEVS: |
| 342 | tmp = snd_mixer_oss_stereodevs(fmixer); |
| 343 | if (tmp < 0) |
| 344 | return tmp; |
| 345 | return put_user(tmp, p); |
| 346 | case SOUND_MIXER_READ_RECMASK: |
| 347 | tmp = snd_mixer_oss_recmask(fmixer); |
| 348 | if (tmp < 0) |
| 349 | return tmp; |
| 350 | return put_user(tmp, p); |
| 351 | case SOUND_MIXER_READ_CAPS: |
| 352 | tmp = snd_mixer_oss_caps(fmixer); |
| 353 | if (tmp < 0) |
| 354 | return tmp; |
| 355 | return put_user(tmp, p); |
| 356 | case SOUND_MIXER_READ_RECSRC: |
| 357 | tmp = snd_mixer_oss_get_recsrc(fmixer); |
| 358 | if (tmp < 0) |
| 359 | return tmp; |
| 360 | return put_user(tmp, p); |
| 361 | } |
| 362 | } |
| 363 | if (cmd & SIOC_IN) { |
| 364 | if (get_user(tmp, p)) |
| 365 | return -EFAULT; |
| 366 | tmp = snd_mixer_oss_set_volume(fmixer, cmd & 0xff, tmp); |
| 367 | if (tmp < 0) |
| 368 | return tmp; |
| 369 | return put_user(tmp, p); |
| 370 | } else if (cmd & SIOC_OUT) { |
| 371 | tmp = snd_mixer_oss_get_volume(fmixer, cmd & 0xff); |
| 372 | if (tmp < 0) |
| 373 | return tmp; |
| 374 | return put_user(tmp, p); |
| 375 | } |
| 376 | return -ENXIO; |
| 377 | } |
| 378 | |
| 379 | static long snd_mixer_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 380 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 381 | return snd_mixer_oss_ioctl1(file->private_data, cmd, arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | } |
| 383 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 384 | int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 386 | struct snd_mixer_oss_file fmixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | |
Takashi Iwai | 7eaa943 | 2008-08-08 17:09:09 +0200 | [diff] [blame] | 388 | if (snd_BUG_ON(!card)) |
| 389 | return -ENXIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | if (card->mixer_oss == NULL) |
| 391 | return -ENXIO; |
| 392 | memset(&fmixer, 0, sizeof(fmixer)); |
| 393 | fmixer.card = card; |
| 394 | fmixer.mixer = card->mixer_oss; |
| 395 | return snd_mixer_oss_ioctl1(&fmixer, cmd, arg); |
| 396 | } |
| 397 | |
| 398 | #ifdef CONFIG_COMPAT |
| 399 | /* all compatible */ |
| 400 | #define snd_mixer_oss_ioctl_compat snd_mixer_oss_ioctl |
| 401 | #else |
| 402 | #define snd_mixer_oss_ioctl_compat NULL |
| 403 | #endif |
| 404 | |
| 405 | /* |
| 406 | * REGISTRATION PART |
| 407 | */ |
| 408 | |
Arjan van de Ven | 9c2e08c | 2007-02-12 00:55:37 -0800 | [diff] [blame] | 409 | static const struct file_operations snd_mixer_oss_f_ops = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | { |
| 411 | .owner = THIS_MODULE, |
| 412 | .open = snd_mixer_oss_open, |
| 413 | .release = snd_mixer_oss_release, |
Takashi Iwai | 02f4865 | 2010-04-13 11:49:04 +0200 | [diff] [blame] | 414 | .llseek = no_llseek, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | .unlocked_ioctl = snd_mixer_oss_ioctl, |
| 416 | .compat_ioctl = snd_mixer_oss_ioctl_compat, |
| 417 | }; |
| 418 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | /* |
| 420 | * utilities |
| 421 | */ |
| 422 | |
| 423 | static long snd_mixer_oss_conv(long val, long omin, long omax, long nmin, long nmax) |
| 424 | { |
| 425 | long orange = omax - omin, nrange = nmax - nmin; |
| 426 | |
| 427 | if (orange == 0) |
| 428 | return 0; |
| 429 | return ((nrange * (val - omin)) + (orange / 2)) / orange + nmin; |
| 430 | } |
| 431 | |
| 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) |
| 434 | { |
| 435 | if (val == snd_mixer_oss_conv(*old, 0, 100, min, max)) |
| 436 | return *old; |
| 437 | return snd_mixer_oss_conv(val, min, max, 0, 100); |
| 438 | } |
| 439 | |
| 440 | /* convert from oss to alsa native values */ |
| 441 | static long snd_mixer_oss_conv2(long val, long min, long max) |
| 442 | { |
| 443 | return snd_mixer_oss_conv(val, 0, 100, min, max); |
| 444 | } |
| 445 | |
| 446 | #if 0 |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 447 | static void snd_mixer_oss_recsrce_set(struct snd_card *card, int slot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 449 | struct snd_mixer_oss *mixer = card->mixer_oss; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | if (mixer) |
| 451 | mixer->mask_recsrc |= 1 << slot; |
| 452 | } |
| 453 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 454 | static int snd_mixer_oss_recsrce_get(struct snd_card *card, int slot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 456 | struct snd_mixer_oss *mixer = card->mixer_oss; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | if (mixer && (mixer->mask_recsrc & (1 << slot))) |
| 458 | return 1; |
| 459 | return 0; |
| 460 | } |
| 461 | #endif |
| 462 | |
| 463 | #define SNDRV_MIXER_OSS_SIGNATURE 0x65999250 |
| 464 | |
| 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 |
| 476 | |
| 477 | #define SNDRV_MIXER_OSS_ITEM_COUNT 11 |
| 478 | |
| 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) |
| 490 | |
| 491 | struct slot { |
| 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; |
| 499 | }; |
| 500 | |
| 501 | #define ID_UNKNOWN ((unsigned int)-1) |
| 502 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 503 | static struct snd_kcontrol *snd_mixer_oss_test_id(struct snd_mixer_oss *mixer, const char *name, int index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 505 | struct snd_card *card = mixer->card; |
| 506 | struct snd_ctl_elem_id id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | |
| 508 | memset(&id, 0, sizeof(id)); |
| 509 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
Dan Carpenter | f92766b | 2011-10-04 09:29:39 +0300 | [diff] [blame] | 510 | strlcpy(id.name, name, sizeof(id.name)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | id.index = index; |
| 512 | return snd_ctl_find_id(card, &id); |
| 513 | } |
| 514 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 515 | static void snd_mixer_oss_get_volume1_vol(struct snd_mixer_oss_file *fmixer, |
| 516 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | unsigned int numid, |
| 518 | int *left, int *right) |
| 519 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | |
| 525 | if (numid == ID_UNKNOWN) |
| 526 | return; |
| 527 | down_read(&card->controls_rwsem); |
| 528 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { |
| 529 | up_read(&card->controls_rwsem); |
| 530 | return; |
| 531 | } |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 532 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
| 533 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | if (uinfo == NULL || uctl == NULL) |
| 535 | goto __unalloc; |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 536 | if (kctl->info(kctl, uinfo)) |
| 537 | goto __unalloc; |
| 538 | if (kctl->get(kctl, uctl)) |
| 539 | goto __unalloc; |
| 540 | if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN && |
| 541 | uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1) |
| 542 | goto __unalloc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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]); |
| 546 | __unalloc: |
| 547 | up_read(&card->controls_rwsem); |
| 548 | kfree(uctl); |
| 549 | kfree(uinfo); |
| 550 | } |
| 551 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 552 | static void snd_mixer_oss_get_volume1_sw(struct snd_mixer_oss_file *fmixer, |
| 553 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | unsigned int numid, |
| 555 | int *left, int *right, |
| 556 | int route) |
| 557 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | |
| 563 | if (numid == ID_UNKNOWN) |
| 564 | return; |
| 565 | down_read(&card->controls_rwsem); |
| 566 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { |
| 567 | up_read(&card->controls_rwsem); |
| 568 | return; |
| 569 | } |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 570 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
| 571 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | if (uinfo == NULL || uctl == NULL) |
| 573 | goto __unalloc; |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 574 | if (kctl->info(kctl, uinfo)) |
| 575 | goto __unalloc; |
| 576 | if (kctl->get(kctl, uctl)) |
| 577 | goto __unalloc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | if (!uctl->value.integer.value[0]) { |
| 579 | *left = 0; |
| 580 | if (uinfo->count == 1) |
| 581 | *right = 0; |
| 582 | } |
| 583 | if (uinfo->count > 1 && !uctl->value.integer.value[route ? 3 : 1]) |
| 584 | *right = 0; |
| 585 | __unalloc: |
| 586 | up_read(&card->controls_rwsem); |
| 587 | kfree(uctl); |
| 588 | kfree(uinfo); |
| 589 | } |
| 590 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 591 | static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer, |
| 592 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | int *left, int *right) |
| 594 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 595 | struct slot *slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | |
| 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); |
| 604 | } |
| 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); |
| 613 | } |
| 614 | return 0; |
| 615 | } |
| 616 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 617 | static void snd_mixer_oss_put_volume1_vol(struct snd_mixer_oss_file *fmixer, |
| 618 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | unsigned int numid, |
| 620 | int left, int right) |
| 621 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | int res; |
| 627 | |
| 628 | if (numid == ID_UNKNOWN) |
| 629 | return; |
| 630 | down_read(&card->controls_rwsem); |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 631 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { |
| 632 | up_read(&card->controls_rwsem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | return; |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 634 | } |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 635 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
| 636 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | if (uinfo == NULL || uctl == NULL) |
| 638 | goto __unalloc; |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 639 | if (kctl->info(kctl, uinfo)) |
| 640 | goto __unalloc; |
| 641 | if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN && |
| 642 | uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1) |
| 643 | goto __unalloc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 647 | if ((res = kctl->put(kctl, uctl)) < 0) |
| 648 | goto __unalloc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | if (res > 0) |
| 650 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); |
| 651 | __unalloc: |
| 652 | up_read(&card->controls_rwsem); |
| 653 | kfree(uctl); |
| 654 | kfree(uinfo); |
| 655 | } |
| 656 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 657 | static void snd_mixer_oss_put_volume1_sw(struct snd_mixer_oss_file *fmixer, |
| 658 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | unsigned int numid, |
| 660 | int left, int right, |
| 661 | int route) |
| 662 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | int res; |
| 668 | |
| 669 | if (numid == ID_UNKNOWN) |
| 670 | return; |
| 671 | down_read(&card->controls_rwsem); |
| 672 | if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) { |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 673 | up_read(&card->controls_rwsem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | return; |
| 675 | } |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 676 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
| 677 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | if (uinfo == NULL || uctl == NULL) |
| 679 | goto __unalloc; |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 680 | if (kctl->info(kctl, uinfo)) |
| 681 | goto __unalloc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
| 685 | if (route) { |
| 686 | uctl->value.integer.value[1] = |
| 687 | uctl->value.integer.value[2] = 0; |
| 688 | } |
| 689 | } else { |
| 690 | uctl->value.integer.value[0] = (left > 0 || right > 0) ? 1 : 0; |
| 691 | } |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 692 | if ((res = kctl->put(kctl, uctl)) < 0) |
| 693 | goto __unalloc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | if (res > 0) |
| 695 | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); |
| 696 | __unalloc: |
| 697 | up_read(&card->controls_rwsem); |
| 698 | kfree(uctl); |
| 699 | kfree(uinfo); |
| 700 | } |
| 701 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 702 | static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer, |
| 703 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | int left, int right) |
| 705 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 706 | struct slot *slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | |
| 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); |
Viral Mehta | 36c7b83 | 2009-03-10 15:43:18 +0100 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
| 719 | } |
| 720 | if (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); |
Deepika Makhija | d2e8e52 | 2009-04-04 18:08:28 +0530 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Deepika Makhija | d2e8e52 | 2009-04-04 18:08:28 +0530 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
| 733 | } else { |
| 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); |
Deepika Makhija | d2e8e52 | 2009-04-04 18:08:28 +0530 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Deepika Makhija | d2e8e52 | 2009-04-04 18:08:28 +0530 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
| 746 | } |
| 747 | } |
| 748 | return 0; |
| 749 | } |
| 750 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 751 | static int snd_mixer_oss_get_recsrc1_sw(struct snd_mixer_oss_file *fmixer, |
| 752 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | int *active) |
| 754 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 755 | struct slot *slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | int left, right; |
| 757 | |
| 758 | left = right = 1; |
| 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; |
| 761 | return 0; |
| 762 | } |
| 763 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 764 | static int snd_mixer_oss_get_recsrc1_route(struct snd_mixer_oss_file *fmixer, |
| 765 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | int *active) |
| 767 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 768 | struct slot *slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | int left, right; |
| 770 | |
| 771 | left = right = 1; |
| 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; |
| 774 | return 0; |
| 775 | } |
| 776 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 777 | static int snd_mixer_oss_put_recsrc1_sw(struct snd_mixer_oss_file *fmixer, |
| 778 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | int active) |
| 780 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 781 | struct slot *slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | |
| 783 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], active, active, 0); |
| 784 | return 0; |
| 785 | } |
| 786 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 787 | static int snd_mixer_oss_put_recsrc1_route(struct snd_mixer_oss_file *fmixer, |
| 788 | struct snd_mixer_oss_slot *pslot, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | int active) |
| 790 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 791 | struct slot *slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | |
| 793 | snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], active, active, 1); |
| 794 | return 0; |
| 795 | } |
| 796 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 797 | static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int *active_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | struct slot *slot; |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 804 | struct snd_ctl_elem_info *uinfo; |
| 805 | struct snd_ctl_elem_value *uctl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | int err, idx; |
| 807 | |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 808 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
| 809 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | if (uinfo == NULL || uctl == NULL) { |
| 811 | err = -ENOMEM; |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 812 | goto __free_only; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | } |
| 814 | down_read(&card->controls_rwsem); |
| 815 | kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0); |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 816 | if (! kctl) { |
| 817 | err = -ENOENT; |
| 818 | goto __unlock; |
| 819 | } |
| 820 | if ((err = kctl->info(kctl, uinfo)) < 0) |
| 821 | goto __unlock; |
| 822 | if ((err = kctl->get(kctl, uctl)) < 0) |
| 823 | goto __unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | for (idx = 0; idx < 32; idx++) { |
| 825 | if (!(mixer->mask_recsrc & (1 << idx))) |
| 826 | continue; |
| 827 | pslot = &mixer->slots[idx]; |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 828 | slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE) |
| 830 | continue; |
| 831 | if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE)) |
| 832 | continue; |
| 833 | if (slot->capture_item == uctl->value.enumerated.item[0]) { |
| 834 | *active_index = idx; |
| 835 | break; |
| 836 | } |
| 837 | } |
| 838 | err = 0; |
| 839 | __unlock: |
| 840 | up_read(&card->controls_rwsem); |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 841 | __free_only: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 842 | kfree(uctl); |
| 843 | kfree(uinfo); |
| 844 | return err; |
| 845 | } |
| 846 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 847 | static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned int active_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 853 | struct slot *slot = NULL; |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 854 | struct snd_ctl_elem_info *uinfo; |
| 855 | struct snd_ctl_elem_value *uctl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | int err; |
| 857 | unsigned int idx; |
| 858 | |
Takashi Iwai | ca2c096 | 2005-09-09 14:20:23 +0200 | [diff] [blame] | 859 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
| 860 | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | if (uinfo == NULL || uctl == NULL) { |
| 862 | err = -ENOMEM; |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 863 | goto __free_only; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | } |
| 865 | down_read(&card->controls_rwsem); |
| 866 | kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0); |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 867 | if (! kctl) { |
| 868 | err = -ENOENT; |
| 869 | goto __unlock; |
| 870 | } |
| 871 | if ((err = kctl->info(kctl, uinfo)) < 0) |
| 872 | goto __unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | for (idx = 0; idx < 32; idx++) { |
| 874 | if (!(mixer->mask_recsrc & (1 << idx))) |
| 875 | continue; |
| 876 | pslot = &mixer->slots[idx]; |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 877 | slot = pslot->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE) |
| 879 | continue; |
| 880 | if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE)) |
| 881 | continue; |
| 882 | if (idx == active_index) |
| 883 | break; |
| 884 | slot = NULL; |
| 885 | } |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 886 | if (! slot) |
| 887 | goto __unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 888 | for (idx = 0; idx < uinfo->count; idx++) |
| 889 | uctl->value.enumerated.item[idx] = slot->capture_item; |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 890 | err = kctl->put(kctl, uctl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | if (err > 0) |
| 892 | snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id); |
| 893 | err = 0; |
| 894 | __unlock: |
| 895 | up_read(&card->controls_rwsem); |
Jaroslav Kysela | 838c364 | 2010-10-08 10:48:50 +0200 | [diff] [blame] | 896 | __free_only: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | kfree(uctl); |
| 898 | kfree(uinfo); |
| 899 | return err; |
| 900 | } |
| 901 | |
| 902 | struct snd_mixer_oss_assign_table { |
| 903 | int oss_id; |
| 904 | const char *name; |
| 905 | int index; |
| 906 | }; |
| 907 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 908 | static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *slot, const char *name, int index, int item) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 910 | struct snd_ctl_elem_info *info; |
| 911 | struct snd_kcontrol *kcontrol; |
| 912 | struct snd_card *card = mixer->card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | int err; |
| 914 | |
| 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); |
| 919 | return 0; |
| 920 | } |
| 921 | info = kmalloc(sizeof(*info), GFP_KERNEL); |
| 922 | if (! info) { |
| 923 | up_read(&card->controls_rwsem); |
| 924 | return -ENOMEM; |
| 925 | } |
| 926 | if ((err = kcontrol->info(kcontrol, info)) < 0) { |
| 927 | up_read(&card->controls_rwsem); |
| 928 | kfree(info); |
| 929 | return err; |
| 930 | } |
| 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; |
| 936 | kfree(info); |
| 937 | return 0; |
| 938 | } |
| 939 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 940 | static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | { |
Joe Perches | 9fe856e | 2010-09-04 18:52:54 -0700 | [diff] [blame] | 942 | struct slot *p = chn->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | if (p) { |
| 944 | if (p->allocated && p->assigned) { |
| 945 | kfree(p->assigned->name); |
| 946 | kfree(p->assigned); |
| 947 | } |
| 948 | kfree(p); |
| 949 | } |
| 950 | } |
| 951 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 952 | static void mixer_slot_clear(struct snd_mixer_oss_slot *rslot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | { |
| 954 | int idx = rslot->number; /* remember this */ |
| 955 | if (rslot->private_free) |
| 956 | rslot->private_free(rslot); |
| 957 | memset(rslot, 0, sizeof(*rslot)); |
| 958 | rslot->number = idx; |
| 959 | } |
| 960 | |
Jean Delvare | 22a860a | 2008-01-08 15:33:10 -0800 | [diff] [blame] | 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, |
| 965 | struct slot *slot) |
| 966 | { |
| 967 | char str[64]; |
| 968 | int err; |
| 969 | |
| 970 | err = snd_mixer_oss_build_test(mixer, slot, ptr->name, ptr->index, |
| 971 | SNDRV_MIXER_OSS_ITEM_GLOBAL); |
| 972 | if (err) |
| 973 | return err; |
| 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); |
| 977 | if (err) |
| 978 | return err; |
| 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); |
| 982 | if (err) |
| 983 | return err; |
| 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); |
| 987 | if (err) |
| 988 | return err; |
| 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); |
| 992 | if (err) |
| 993 | return err; |
| 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); |
| 997 | if (err) |
| 998 | return err; |
| 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); |
| 1002 | if (err) |
| 1003 | return err; |
| 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); |
| 1007 | if (err) |
| 1008 | return err; |
| 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); |
| 1012 | if (err) |
| 1013 | return err; |
| 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); |
| 1017 | if (err) |
| 1018 | return err; |
| 1019 | |
| 1020 | return 0; |
| 1021 | } |
| 1022 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1023 | /* |
| 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. |
| 1027 | */ |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 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) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | { |
| 1030 | struct slot slot; |
| 1031 | struct slot *pslot; |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1032 | struct snd_kcontrol *kctl; |
| 1033 | struct snd_mixer_oss_slot *rslot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | char str[64]; |
| 1035 | |
| 1036 | /* check if already assigned */ |
| 1037 | if (mixer->slots[ptr->oss_id].get_volume && ! replace_old) |
| 1038 | return 0; |
| 1039 | |
| 1040 | memset(&slot, 0, sizeof(slot)); |
| 1041 | memset(slot.numid, 0xff, sizeof(slot.numid)); /* ID_UNKNOWN */ |
Jean Delvare | 22a860a | 2008-01-08 15:33:10 -0800 | [diff] [blame] | 1042 | if (snd_mixer_oss_build_test_all(mixer, ptr, &slot)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1043 | return 0; |
| 1044 | down_read(&mixer->card->controls_rwsem); |
| 1045 | if (ptr->index == 0 && (kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0)) != NULL) { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1046 | struct snd_ctl_elem_info *uinfo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1047 | |
Panagiotis Issaris | 59feddb | 2006-07-25 15:28:03 +0200 | [diff] [blame] | 1048 | uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | if (! uinfo) { |
| 1050 | up_read(&mixer->card->controls_rwsem); |
| 1051 | return -ENOMEM; |
| 1052 | } |
| 1053 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1054 | if (kctl->info(kctl, uinfo)) { |
| 1055 | up_read(&mixer->card->controls_rwsem); |
Wei Yongjun | 1f3b140 | 2012-09-02 22:10:27 +0800 | [diff] [blame] | 1056 | kfree(uinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | return 0; |
| 1058 | } |
| 1059 | strcpy(str, ptr->name); |
| 1060 | if (!strcmp(str, "Master")) |
| 1061 | strcpy(str, "Mix"); |
| 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; |
| 1067 | } else { |
| 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); |
Wei Yongjun | 1f3b140 | 2012-09-02 22:10:27 +0800 | [diff] [blame] | 1072 | kfree(uinfo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | return 0; |
| 1074 | } |
| 1075 | if (!strcmp(uinfo->value.enumerated.name, str)) { |
| 1076 | slot.present |= SNDRV_MIXER_OSS_PRESENT_CAPTURE; |
| 1077 | break; |
| 1078 | } |
| 1079 | } |
| 1080 | } |
| 1081 | kfree(uinfo); |
| 1082 | } |
| 1083 | up_read(&mixer->card->controls_rwsem); |
| 1084 | if (slot.present != 0) { |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 1085 | pslot = kmalloc(sizeof(slot), GFP_KERNEL); |
Takashi Iwai | 7c22f1a | 2005-10-10 11:46:31 +0200 | [diff] [blame] | 1086 | if (! pslot) |
| 1087 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1088 | *pslot = slot; |
| 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; |
| 1106 | } |
| 1107 | rslot->private_data = pslot; |
| 1108 | rslot->private_free = snd_mixer_oss_slot_free; |
| 1109 | return 1; |
| 1110 | } |
| 1111 | return 0; |
| 1112 | } |
| 1113 | |
Jie Yang | cd6a650 | 2015-05-27 19:45:45 +0800 | [diff] [blame] | 1114 | #ifdef CONFIG_SND_PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | /* |
| 1116 | */ |
| 1117 | #define MIXER_VOL(name) [SOUND_MIXER_##name] = #name |
| 1118 | static char *oss_mixer_names[SNDRV_OSS_MAX_MIXERS] = { |
| 1119 | MIXER_VOL(VOLUME), |
| 1120 | MIXER_VOL(BASS), |
| 1121 | MIXER_VOL(TREBLE), |
| 1122 | MIXER_VOL(SYNTH), |
| 1123 | MIXER_VOL(PCM), |
| 1124 | MIXER_VOL(SPEAKER), |
| 1125 | MIXER_VOL(LINE), |
| 1126 | MIXER_VOL(MIC), |
| 1127 | MIXER_VOL(CD), |
| 1128 | MIXER_VOL(IMIX), |
| 1129 | MIXER_VOL(ALTPCM), |
| 1130 | MIXER_VOL(RECLEV), |
| 1131 | MIXER_VOL(IGAIN), |
| 1132 | MIXER_VOL(OGAIN), |
| 1133 | MIXER_VOL(LINE1), |
| 1134 | MIXER_VOL(LINE2), |
| 1135 | MIXER_VOL(LINE3), |
| 1136 | MIXER_VOL(DIGITAL1), |
| 1137 | MIXER_VOL(DIGITAL2), |
| 1138 | MIXER_VOL(DIGITAL3), |
| 1139 | MIXER_VOL(PHONEIN), |
| 1140 | MIXER_VOL(PHONEOUT), |
| 1141 | MIXER_VOL(VIDEO), |
| 1142 | MIXER_VOL(RADIO), |
| 1143 | MIXER_VOL(MONITOR), |
| 1144 | }; |
| 1145 | |
| 1146 | /* |
| 1147 | * /proc interface |
| 1148 | */ |
| 1149 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1150 | static void snd_mixer_oss_proc_read(struct snd_info_entry *entry, |
| 1151 | struct snd_info_buffer *buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1153 | struct snd_mixer_oss *mixer = entry->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1154 | int i; |
| 1155 | |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1156 | mutex_lock(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1157 | for (i = 0; i < SNDRV_OSS_MAX_MIXERS; i++) { |
| 1158 | struct slot *p; |
| 1159 | |
| 1160 | if (! oss_mixer_names[i]) |
| 1161 | continue; |
| 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", |
| 1166 | p->assigned->name, |
| 1167 | p->assigned->index); |
| 1168 | else |
| 1169 | snd_iprintf(buffer, "\"\" 0\n"); |
| 1170 | } |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1171 | mutex_unlock(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1172 | } |
| 1173 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1174 | static void snd_mixer_oss_proc_write(struct snd_info_entry *entry, |
| 1175 | struct snd_info_buffer *buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1176 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1177 | struct snd_mixer_oss *mixer = entry->private_data; |
Takashi Iwai | 4f7454a | 2009-09-08 14:29:58 +0200 | [diff] [blame] | 1178 | char line[128], str[32], idxstr[16]; |
| 1179 | const char *cptr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1180 | int ch, idx; |
| 1181 | struct snd_mixer_oss_assign_table *tbl; |
| 1182 | struct slot *slot; |
| 1183 | |
| 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) |
| 1188 | break; |
| 1189 | if (ch >= SNDRV_OSS_MAX_MIXERS) { |
Takashi Iwai | 61efcee | 2014-02-04 18:22:11 +0100 | [diff] [blame] | 1190 | pr_err("ALSA: mixer_oss: invalid OSS volume '%s'\n", |
| 1191 | str); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1192 | continue; |
| 1193 | } |
| 1194 | cptr = snd_info_get_str(str, cptr, sizeof(str)); |
| 1195 | if (! *str) { |
| 1196 | /* remove the entry */ |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1197 | mutex_lock(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | mixer_slot_clear(&mixer->slots[ch]); |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1199 | mutex_unlock(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1200 | continue; |
| 1201 | } |
| 1202 | snd_info_get_str(idxstr, cptr, sizeof(idxstr)); |
| 1203 | idx = simple_strtoul(idxstr, NULL, 10); |
| 1204 | if (idx >= 0x4000) { /* too big */ |
Takashi Iwai | 61efcee | 2014-02-04 18:22:11 +0100 | [diff] [blame] | 1205 | pr_err("ALSA: mixer_oss: invalid index %d\n", idx); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | continue; |
| 1207 | } |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1208 | mutex_lock(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1209 | slot = (struct slot *)mixer->slots[ch].private_data; |
| 1210 | if (slot && slot->assigned && |
| 1211 | slot->assigned->index == idx && ! strcmp(slot->assigned->name, str)) |
| 1212 | /* not changed */ |
| 1213 | goto __unlock; |
| 1214 | tbl = kmalloc(sizeof(*tbl), GFP_KERNEL); |
Takashi Iwai | ec0e993 | 2015-03-10 15:42:14 +0100 | [diff] [blame] | 1215 | if (!tbl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1216 | goto __unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1217 | tbl->oss_id = ch; |
Paulo Marques | 543537b | 2005-06-23 00:09:02 -0700 | [diff] [blame] | 1218 | tbl->name = kstrdup(str, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | if (! tbl->name) { |
| 1220 | kfree(tbl); |
| 1221 | goto __unlock; |
| 1222 | } |
| 1223 | tbl->index = idx; |
| 1224 | if (snd_mixer_oss_build_input(mixer, tbl, 1, 1) <= 0) { |
| 1225 | kfree(tbl->name); |
| 1226 | kfree(tbl); |
| 1227 | } |
| 1228 | __unlock: |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1229 | mutex_unlock(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1230 | } |
| 1231 | } |
| 1232 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1233 | static void snd_mixer_oss_proc_init(struct snd_mixer_oss *mixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1235 | struct snd_info_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1236 | |
| 1237 | entry = snd_info_create_card_entry(mixer->card, "oss_mixer", |
| 1238 | mixer->card->proc_root); |
| 1239 | if (! entry) |
| 1240 | return; |
| 1241 | entry->content = SNDRV_INFO_CONTENT_TEXT; |
| 1242 | entry->mode = S_IFREG | S_IRUGO | S_IWUSR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1243 | entry->c.text.read = snd_mixer_oss_proc_read; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | entry->c.text.write = snd_mixer_oss_proc_write; |
| 1245 | entry->private_data = mixer; |
| 1246 | if (snd_info_register(entry) < 0) { |
| 1247 | snd_info_free_entry(entry); |
| 1248 | entry = NULL; |
| 1249 | } |
| 1250 | mixer->proc_entry = entry; |
| 1251 | } |
| 1252 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1253 | static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1254 | { |
Takashi Iwai | 746d4a0 | 2006-06-23 14:37:59 +0200 | [diff] [blame] | 1255 | snd_info_free_entry(mixer->proc_entry); |
| 1256 | mixer->proc_entry = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | } |
Jie Yang | cd6a650 | 2015-05-27 19:45:45 +0800 | [diff] [blame] | 1258 | #else /* !CONFIG_SND_PROC_FS */ |
Takashi Iwai | 04f141a | 2005-12-01 10:43:51 +0100 | [diff] [blame] | 1259 | #define snd_mixer_oss_proc_init(mix) |
| 1260 | #define snd_mixer_oss_proc_done(mix) |
Jie Yang | cd6a650 | 2015-05-27 19:45:45 +0800 | [diff] [blame] | 1261 | #endif /* CONFIG_SND_PROC_FS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1262 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1263 | static void snd_mixer_oss_build(struct snd_mixer_oss *mixer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1264 | { |
| 1265 | static struct snd_mixer_oss_assign_table table[] = { |
| 1266 | { SOUND_MIXER_VOLUME, "Master", 0 }, |
| 1267 | { SOUND_MIXER_VOLUME, "Front", 0 }, /* fallback */ |
| 1268 | { SOUND_MIXER_BASS, "Tone Control - Bass", 0 }, |
| 1269 | { SOUND_MIXER_TREBLE, "Tone Control - Treble", 0 }, |
| 1270 | { SOUND_MIXER_SYNTH, "Synth", 0 }, |
| 1271 | { SOUND_MIXER_SYNTH, "FM", 0 }, /* fallback */ |
| 1272 | { SOUND_MIXER_SYNTH, "Music", 0 }, /* fallback */ |
| 1273 | { SOUND_MIXER_PCM, "PCM", 0 }, |
Jaroslav Kysela | d355c82a | 2009-11-03 15:47:25 +0100 | [diff] [blame] | 1274 | { SOUND_MIXER_SPEAKER, "Beep", 0 }, |
| 1275 | { SOUND_MIXER_SPEAKER, "PC Speaker", 0 }, /* fallback */ |
Jaroslav Kysela | ad1cd74 | 2009-11-04 14:30:36 +0100 | [diff] [blame] | 1276 | { SOUND_MIXER_SPEAKER, "Speaker", 0 }, /* fallback */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1277 | { SOUND_MIXER_LINE, "Line", 0 }, |
| 1278 | { SOUND_MIXER_MIC, "Mic", 0 }, |
| 1279 | { SOUND_MIXER_CD, "CD", 0 }, |
| 1280 | { SOUND_MIXER_IMIX, "Monitor Mix", 0 }, |
| 1281 | { SOUND_MIXER_ALTPCM, "PCM", 1 }, |
| 1282 | { SOUND_MIXER_ALTPCM, "Headphone", 0 }, /* fallback */ |
| 1283 | { SOUND_MIXER_ALTPCM, "Wave", 0 }, /* fallback */ |
| 1284 | { SOUND_MIXER_RECLEV, "-- nothing --", 0 }, |
| 1285 | { SOUND_MIXER_IGAIN, "Capture", 0 }, |
| 1286 | { SOUND_MIXER_OGAIN, "Playback", 0 }, |
| 1287 | { SOUND_MIXER_LINE1, "Aux", 0 }, |
| 1288 | { SOUND_MIXER_LINE2, "Aux", 1 }, |
| 1289 | { SOUND_MIXER_LINE3, "Aux", 2 }, |
| 1290 | { SOUND_MIXER_DIGITAL1, "Digital", 0 }, |
| 1291 | { SOUND_MIXER_DIGITAL1, "IEC958", 0 }, /* fallback */ |
| 1292 | { SOUND_MIXER_DIGITAL1, "IEC958 Optical", 0 }, /* fallback */ |
| 1293 | { SOUND_MIXER_DIGITAL1, "IEC958 Coaxial", 0 }, /* fallback */ |
| 1294 | { SOUND_MIXER_DIGITAL2, "Digital", 1 }, |
| 1295 | { SOUND_MIXER_DIGITAL3, "Digital", 2 }, |
| 1296 | { SOUND_MIXER_PHONEIN, "Phone", 0 }, |
| 1297 | { SOUND_MIXER_PHONEOUT, "Master Mono", 0 }, |
Takashi Iwai | 6c4cc3a | 2008-02-04 12:44:11 +0100 | [diff] [blame] | 1298 | { SOUND_MIXER_PHONEOUT, "Speaker", 0 }, /*fallback*/ |
| 1299 | { SOUND_MIXER_PHONEOUT, "Mono", 0 }, /*fallback*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | { SOUND_MIXER_PHONEOUT, "Phone", 0 }, /* fallback */ |
| 1301 | { SOUND_MIXER_VIDEO, "Video", 0 }, |
| 1302 | { SOUND_MIXER_RADIO, "Radio", 0 }, |
| 1303 | { SOUND_MIXER_MONITOR, "Monitor", 0 } |
| 1304 | }; |
| 1305 | unsigned int idx; |
| 1306 | |
| 1307 | for (idx = 0; idx < ARRAY_SIZE(table); idx++) |
| 1308 | snd_mixer_oss_build_input(mixer, &table[idx], 0, 0); |
| 1309 | if (mixer->mask_recsrc) { |
| 1310 | mixer->get_recsrc = snd_mixer_oss_get_recsrc2; |
| 1311 | mixer->put_recsrc = snd_mixer_oss_put_recsrc2; |
| 1312 | } |
| 1313 | } |
| 1314 | |
| 1315 | /* |
| 1316 | * |
| 1317 | */ |
| 1318 | |
| 1319 | static int snd_mixer_oss_free1(void *private) |
| 1320 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1321 | struct snd_mixer_oss *mixer = private; |
| 1322 | struct snd_card *card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1323 | int idx; |
| 1324 | |
Takashi Iwai | 7eaa943 | 2008-08-08 17:09:09 +0200 | [diff] [blame] | 1325 | if (!mixer) |
| 1326 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1327 | card = mixer->card; |
Takashi Iwai | 7eaa943 | 2008-08-08 17:09:09 +0200 | [diff] [blame] | 1328 | if (snd_BUG_ON(mixer != card->mixer_oss)) |
| 1329 | return -ENXIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1330 | card->mixer_oss = NULL; |
| 1331 | for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1332 | struct snd_mixer_oss_slot *chn = &mixer->slots[idx]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | if (chn->private_free) |
| 1334 | chn->private_free(chn); |
| 1335 | } |
| 1336 | kfree(mixer); |
| 1337 | return 0; |
| 1338 | } |
| 1339 | |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1340 | static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1341 | { |
Takashi Iwai | f956b4a | 2005-11-17 14:01:22 +0100 | [diff] [blame] | 1342 | struct snd_mixer_oss *mixer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | |
| 1344 | if (cmd == SND_MIXER_OSS_NOTIFY_REGISTER) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1345 | int idx, err; |
| 1346 | |
| 1347 | mixer = kcalloc(2, sizeof(*mixer), GFP_KERNEL); |
| 1348 | if (mixer == NULL) |
| 1349 | return -ENOMEM; |
Ingo Molnar | 1a60d4c | 2006-01-16 16:29:08 +0100 | [diff] [blame] | 1350 | mutex_init(&mixer->reg_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | if ((err = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, |
| 1352 | card, 0, |
Takashi Iwai | 80d7d77 | 2014-02-04 13:51:45 +0100 | [diff] [blame] | 1353 | &snd_mixer_oss_f_ops, card)) < 0) { |
Takashi Iwai | 61efcee | 2014-02-04 18:22:11 +0100 | [diff] [blame] | 1354 | dev_err(card->dev, |
| 1355 | "unable to register OSS mixer device %i:%i\n", |
| 1356 | card->number, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1357 | kfree(mixer); |
| 1358 | return err; |
| 1359 | } |
| 1360 | mixer->oss_dev_alloc = 1; |
| 1361 | mixer->card = card; |
| 1362 | if (*card->mixername) |
| 1363 | strlcpy(mixer->name, card->mixername, sizeof(mixer->name)); |
| 1364 | else |
Takashi Iwai | 80d7d77 | 2014-02-04 13:51:45 +0100 | [diff] [blame] | 1365 | snprintf(mixer->name, sizeof(mixer->name), |
| 1366 | "mixer%i", card->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | #ifdef SNDRV_OSS_INFO_DEV_MIXERS |
| 1368 | snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIXERS, |
| 1369 | card->number, |
| 1370 | mixer->name); |
| 1371 | #endif |
| 1372 | for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) |
| 1373 | mixer->slots[idx].number = idx; |
| 1374 | card->mixer_oss = mixer; |
| 1375 | snd_mixer_oss_build(mixer); |
| 1376 | snd_mixer_oss_proc_init(mixer); |
Takashi Iwai | c461482 | 2006-06-23 14:38:23 +0200 | [diff] [blame] | 1377 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | mixer = card->mixer_oss; |
| 1379 | if (mixer == NULL) |
| 1380 | return 0; |
Takashi Iwai | c461482 | 2006-06-23 14:38:23 +0200 | [diff] [blame] | 1381 | if (mixer->oss_dev_alloc) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | #ifdef SNDRV_OSS_INFO_DEV_MIXERS |
Takashi Iwai | c461482 | 2006-06-23 14:38:23 +0200 | [diff] [blame] | 1383 | snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIXERS, mixer->card->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1385 | snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, mixer->card, 0); |
Takashi Iwai | c461482 | 2006-06-23 14:38:23 +0200 | [diff] [blame] | 1386 | mixer->oss_dev_alloc = 0; |
| 1387 | } |
| 1388 | if (cmd == SND_MIXER_OSS_NOTIFY_DISCONNECT) |
| 1389 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1390 | snd_mixer_oss_proc_done(mixer); |
| 1391 | return snd_mixer_oss_free1(mixer); |
| 1392 | } |
| 1393 | return 0; |
| 1394 | } |
| 1395 | |
| 1396 | static int __init alsa_mixer_oss_init(void) |
| 1397 | { |
| 1398 | int idx; |
| 1399 | |
| 1400 | snd_mixer_oss_notify_callback = snd_mixer_oss_notify_handler; |
| 1401 | for (idx = 0; idx < SNDRV_CARDS; idx++) { |
| 1402 | if (snd_cards[idx]) |
| 1403 | snd_mixer_oss_notify_handler(snd_cards[idx], SND_MIXER_OSS_NOTIFY_REGISTER); |
| 1404 | } |
| 1405 | return 0; |
| 1406 | } |
| 1407 | |
| 1408 | static void __exit alsa_mixer_oss_exit(void) |
| 1409 | { |
| 1410 | int idx; |
| 1411 | |
| 1412 | snd_mixer_oss_notify_callback = NULL; |
| 1413 | for (idx = 0; idx < SNDRV_CARDS; idx++) { |
| 1414 | if (snd_cards[idx]) |
| 1415 | snd_mixer_oss_notify_handler(snd_cards[idx], SND_MIXER_OSS_NOTIFY_FREE); |
| 1416 | } |
| 1417 | } |
| 1418 | |
| 1419 | module_init(alsa_mixer_oss_init) |
| 1420 | module_exit(alsa_mixer_oss_exit) |
| 1421 | |
| 1422 | EXPORT_SYMBOL(snd_mixer_oss_ioctl_card); |