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 */