1 files changed, 87 insertions, 0 deletions

diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h
new file mode 100644
index 000000000000..518728536bc6
--- /dev/null
+++ b/include/sound/pcm_oss.h
@@ -0,0 +1,87 @@
+#ifndef __SOUND_PCM_OSS_H
+#define __SOUND_PCM_OSS_H
+
+/*
+ *  Digital Audio (PCM) - OSS compatibility abstract layer
+ *  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
+ *
+ */
+
+typedef struct _snd_pcm_plugin snd_pcm_plugin_t;
+typedef struct _snd_pcm_oss_setup snd_pcm_oss_setup_t;
+
+struct _snd_pcm_oss_setup {
+        char *task_name;
+        unsigned int disable:1,
+                     direct:1,
+                     block:1,
+                     nonblock:1,
+                     partialfrag:1,
+                     nosilence:1;
+        unsigned int periods;
+        unsigned int period_size;
+        snd_pcm_oss_setup_t *next;
+};
+
+typedef struct _snd_pcm_oss_runtime {
+        unsigned params: 1,                     /* format/parameter change */
+                 prepare: 1,                    /* need to prepare the operation */
+                 trigger: 1,                    /* trigger flag */
+                 sync_trigger: 1;               /* sync trigger flag */
+        int rate;                               /* requested rate */
+        int format;                             /* requested OSS format */
+        unsigned int channels;                  /* requested channels */
+        unsigned int fragshift;
+        unsigned int maxfrags;
+        unsigned int subdivision;               /* requested subdivision */
+        size_t period_bytes;                    /* requested period size */
+        size_t period_frames;                   /* period frames for poll */
+        size_t period_ptr;                      /* actual write pointer to period */
+        unsigned int periods;
+        size_t buffer_bytes;                    /* requested buffer size */
+        size_t bytes;                           /* total # bytes processed */
+        size_t mmap_bytes;
+        char *buffer;                           /* vmallocated period */
+        size_t buffer_used;                     /* used length from period buffer */
+        snd_pcm_plugin_t *plugin_first;
+        snd_pcm_plugin_t *plugin_last;
+        unsigned int prev_hw_ptr_interrupt;
+} snd_pcm_oss_runtime_t;
+
+typedef struct _snd_pcm_oss_file {
+        snd_pcm_substream_t *streams[2];
+} snd_pcm_oss_file_t;
+
+typedef struct _snd_pcm_oss_substream {
+        unsigned oss: 1;                        /* oss mode */
+        snd_pcm_oss_setup_t *setup;             /* active setup */
+        snd_pcm_oss_file_t *file;
+} snd_pcm_oss_substream_t;
+
+typedef struct _snd_pcm_oss_stream {
+        snd_pcm_oss_setup_t *setup_list;        /* setup list */
+        struct semaphore setup_mutex;
+        snd_info_entry_t *proc_entry;
+} snd_pcm_oss_stream_t;
+
+typedef struct _snd_pcm_oss {
+        int reg;
+        unsigned int reg_mask;
+} snd_pcm_oss_t;
+
+#endif /* __SOUND_PCM_OSS_H */