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-rw-r--r--include/sound/mixer_oss.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/include/sound/mixer_oss.h b/include/sound/mixer_oss.h
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+++ b/include/sound/mixer_oss.h
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+#ifndef __SOUND_MIXER_OSS_H
+#define __SOUND_MIXER_OSS_H
+
+/*
+ * OSS MIXER API
+ * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
+
+typedef struct _snd_oss_mixer_slot snd_mixer_oss_slot_t;
+typedef struct _snd_oss_file snd_mixer_oss_file_t;
+
+typedef int (*snd_mixer_oss_get_volume_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int *left, int *right);
+typedef int (*snd_mixer_oss_put_volume_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int left, int right);
+typedef int (*snd_mixer_oss_get_recsrc_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int *active);
+typedef int (*snd_mixer_oss_put_recsrc_t)(snd_mixer_oss_file_t *fmixer, snd_mixer_oss_slot_t *chn, int active);
+typedef int (*snd_mixer_oss_get_recsrce_t)(snd_mixer_oss_file_t *fmixer, unsigned int *active_index);
+typedef int (*snd_mixer_oss_put_recsrce_t)(snd_mixer_oss_file_t *fmixer, unsigned int active_index);
+
+#define SNDRV_OSS_MAX_MIXERS 32
+
+struct _snd_oss_mixer_slot {
+ int number;
+ unsigned int stereo: 1;
+ snd_mixer_oss_get_volume_t get_volume;
+ snd_mixer_oss_put_volume_t put_volume;
+ snd_mixer_oss_get_recsrc_t get_recsrc;
+ snd_mixer_oss_put_recsrc_t put_recsrc;
+ unsigned long private_value;
+ void *private_data;
+ void (*private_free)(snd_mixer_oss_slot_t *slot);
+ int volume[2];
+};
+
+struct _snd_oss_mixer {
+ snd_card_t *card;
+ char id[16];
+ char name[32];
+ snd_mixer_oss_slot_t slots[SNDRV_OSS_MAX_MIXERS]; /* OSS mixer slots */
+ unsigned int mask_recsrc; /* exclusive recsrc mask */
+ snd_mixer_oss_get_recsrce_t get_recsrc;
+ snd_mixer_oss_put_recsrce_t put_recsrc;
+ void *private_data_recsrc;
+ void (*private_free_recsrc)(snd_mixer_oss_t *mixer);
+ struct semaphore reg_mutex;
+ snd_info_entry_t *proc_entry;
+ int oss_dev_alloc;
+ /* --- */
+ int oss_recsrc;
+};
+
+struct _snd_oss_file {
+ snd_card_t *card;
+ snd_mixer_oss_t *mixer;
+};
+
+#endif /* CONFIG_SND_MIXER_OSS */
+
+#endif /* __SOUND_MIXER_OSS_H */