Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / sound / pcm_oss.h
diff --git a/kernel/include/sound/pcm_oss.h b/kernel/include/sound/pcm_oss.h
new file mode 100644 (file)
index 0000000..760c969
--- /dev/null
@@ -0,0 +1,89 @@
+#ifndef __SOUND_PCM_OSS_H
+#define __SOUND_PCM_OSS_H
+
+/*
+ *  Digital Audio (PCM) - OSS compatibility abstract layer
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.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
+ *
+ */
+
+struct snd_pcm_oss_setup {
+       char *task_name;
+       unsigned int disable:1,
+                    direct:1,
+                    block:1,
+                    nonblock:1,
+                    partialfrag:1,
+                    nosilence:1,
+                    buggyptr:1;
+       unsigned int periods;
+       unsigned int period_size;
+       struct snd_pcm_oss_setup *next;
+};
+
+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 */
+       struct mutex params_lock;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
+       struct snd_pcm_plugin *plugin_first;
+       struct snd_pcm_plugin *plugin_last;
+#endif
+       unsigned int prev_hw_ptr_period;
+};
+
+struct snd_pcm_oss_file {
+       struct snd_pcm_substream *streams[2];
+};
+
+struct snd_pcm_oss_substream {
+       unsigned oss: 1;                        /* oss mode */
+       struct snd_pcm_oss_setup setup;         /* active setup */
+};
+
+struct snd_pcm_oss_stream {
+       struct snd_pcm_oss_setup *setup_list;   /* setup list */
+       struct mutex setup_mutex;
+#ifdef CONFIG_SND_VERBOSE_PROCFS
+       struct snd_info_entry *proc_entry;
+#endif
+};
+
+struct snd_pcm_oss {
+       int reg;
+       unsigned int reg_mask;
+};
+
+#endif /* __SOUND_PCM_OSS_H */