projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __SOUND_PCM_OSS_H |
| 2 | #define __SOUND_PCM_OSS_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Digital Audio (PCM) - OSS compatibility abstract layer | |
| 6 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> | |
| 7 | * | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License as published by | |
| 11 | * the Free Software Foundation; either version 2 of the License, or | |
| 12 | * (at your option) any later version. | |
| 13 | * | |
| 14 | * This program is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU General Public License | |
| 20 | * along with this program; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 22 | * | |
| 23 | */ | |
| 24 | ||
| 25 | typedef struct _snd_pcm_plugin snd_pcm_plugin_t; | |
| 26 | typedef struct _snd_pcm_oss_setup snd_pcm_oss_setup_t; | |
| 27 | ||
| 28 | struct _snd_pcm_oss_setup { | |
| 29 | char *task_name; | |
| 30 | unsigned int disable:1, | |
| 31 | direct:1, | |
| 32 | block:1, | |
| 33 | nonblock:1, | |
| 34 | partialfrag:1, | |
| 10f69f9e TI |
35 | nosilence:1, |
| 36 | buggyptr:1; | |
| 1da177e4 LT |
37 | unsigned int periods; |
| 38 | unsigned int period_size; | |
| 39 | snd_pcm_oss_setup_t *next; | |
| 40 | }; | |
| 41 | ||
| 42 | typedef struct _snd_pcm_oss_runtime { | |
| 43 | unsigned params: 1, /* format/parameter change */ | |
| 44 | prepare: 1, /* need to prepare the operation */ | |
| 45 | trigger: 1, /* trigger flag */ | |
| 46 | sync_trigger: 1; /* sync trigger flag */ | |
| 47 | int rate; /* requested rate */ | |
| 48 | int format; /* requested OSS format */ | |
| 49 | unsigned int channels; /* requested channels */ | |
| 50 | unsigned int fragshift; | |
| 51 | unsigned int maxfrags; | |
| 52 | unsigned int subdivision; /* requested subdivision */ | |
| 53 | size_t period_bytes; /* requested period size */ | |
| 54 | size_t period_frames; /* period frames for poll */ | |
| 55 | size_t period_ptr; /* actual write pointer to period */ | |
| 56 | unsigned int periods; | |
| 57 | size_t buffer_bytes; /* requested buffer size */ | |
| 58 | size_t bytes; /* total # bytes processed */ | |
| 59 | size_t mmap_bytes; | |
| 60 | char *buffer; /* vmallocated period */ | |
| 61 | size_t buffer_used; /* used length from period buffer */ | |
| 62 | snd_pcm_plugin_t *plugin_first; | |
| 63 | snd_pcm_plugin_t *plugin_last; | |
| 64 | unsigned int prev_hw_ptr_interrupt; | |
| 65 | } snd_pcm_oss_runtime_t; | |
| 66 | ||
| 67 | typedef struct _snd_pcm_oss_file { | |
| 68 | snd_pcm_substream_t *streams[2]; | |
| 69 | } snd_pcm_oss_file_t; | |
| 70 | ||
| 71 | typedef struct _snd_pcm_oss_substream { | |
| 72 | unsigned oss: 1; /* oss mode */ | |
| 73 | snd_pcm_oss_setup_t *setup; /* active setup */ | |
| 74 | snd_pcm_oss_file_t *file; | |
| 75 | } snd_pcm_oss_substream_t; | |
| 76 | ||
| 77 | typedef struct _snd_pcm_oss_stream { | |
| 78 | snd_pcm_oss_setup_t *setup_list; /* setup list */ | |
| 79 | struct semaphore setup_mutex; | |
| 80 | snd_info_entry_t *proc_entry; | |
| 81 | } snd_pcm_oss_stream_t; | |
| 82 | ||
| 83 | typedef struct _snd_pcm_oss { | |
| 84 | int reg; | |
| 85 | unsigned int reg_mask; | |
| 86 | } snd_pcm_oss_t; | |
| 87 | ||
| 88 | #endif /* __SOUND_PCM_OSS_H */ |