#ifndef __SOUND_PCM_OSS_H #define __SOUND_PCM_OSS_H /* * Digital Audio (PCM) - OSS compatibility abstract layer * Copyright (c) by Jaroslav Kysela * * * 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 */ linux/net-next.git/log/include?id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>include/uapi/xen

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