release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/dream/include/linux/msm_audio.h

   1 /* drivers/staging/dream/include/linux/msm_audio.h
   2  *
   3  * Copyright (C) 2008 Google, Inc.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #ifndef __LINUX_MSM_AUDIO_H
  17 #define __LINUX_MSM_AUDIO_H
  18
  19 #include <linux/types.h>
  20 #include <linux/ioctl.h>
  21 #include <asm/sizes.h>
  22
  23 /* PCM Audio */
  24
  25 #define AUDIO_IOCTL_MAGIC 'a'
  26
  27 #define AUDIO_START        _IOW(AUDIO_IOCTL_MAGIC, 0, unsigned)
  28 #define AUDIO_STOP         _IOW(AUDIO_IOCTL_MAGIC, 1, unsigned)
  29 #define AUDIO_FLUSH        _IOW(AUDIO_IOCTL_MAGIC, 2, unsigned)
  30 #define AUDIO_GET_CONFIG   _IOR(AUDIO_IOCTL_MAGIC, 3, unsigned)
  31 #define AUDIO_SET_CONFIG   _IOW(AUDIO_IOCTL_MAGIC, 4, unsigned)
  32 #define AUDIO_GET_STATS    _IOR(AUDIO_IOCTL_MAGIC, 5, unsigned)
  33 #define AUDIO_ENABLE_AUDPP _IOW(AUDIO_IOCTL_MAGIC, 6, unsigned)
  34 #define AUDIO_SET_ADRC     _IOW(AUDIO_IOCTL_MAGIC, 7, unsigned)
  35 #define AUDIO_SET_EQ       _IOW(AUDIO_IOCTL_MAGIC, 8, unsigned)
  36 #define AUDIO_SET_RX_IIR   _IOW(AUDIO_IOCTL_MAGIC, 9, unsigned)
  37 #define AUDIO_SET_VOLUME   _IOW(AUDIO_IOCTL_MAGIC, 10, unsigned)
  38 #define AUDIO_ENABLE_AUDPRE  _IOW(AUDIO_IOCTL_MAGIC, 11, unsigned)
  39 #define AUDIO_SET_AGC        _IOW(AUDIO_IOCTL_MAGIC, 12, unsigned)
  40 #define AUDIO_SET_NS         _IOW(AUDIO_IOCTL_MAGIC, 13, unsigned)
  41 #define AUDIO_SET_TX_IIR     _IOW(AUDIO_IOCTL_MAGIC, 14, unsigned)
  42 #define AUDIO_PAUSE          _IOW(AUDIO_IOCTL_MAGIC, 15, unsigned)
  43 #define AUDIO_GET_PCM_CONFIG _IOR(AUDIO_IOCTL_MAGIC, 30, unsigned)
  44 #define AUDIO_SET_PCM_CONFIG _IOW(AUDIO_IOCTL_MAGIC, 31, unsigned)
  45 #define AUDIO_SWITCH_DEVICE  _IOW(AUDIO_IOCTL_MAGIC, 32, unsigned)
  46
  47 #define AUDIO_MAX_COMMON_IOCTL_NUM      100
  48
  49 #define AUDIO_MAX_COMMON_IOCTL_NUM      100
  50
  51 struct msm_audio_config {
  52         uint32_t buffer_size;
  53         uint32_t buffer_count;
  54         uint32_t channel_count;
  55         uint32_t sample_rate;
  56         uint32_t type;
  57         uint32_t unused[3];
  58 };
  59
  60 struct msm_audio_stats {
  61         uint32_t byte_count;
  62         uint32_t sample_count;
  63         uint32_t unused[2];
  64 };
  65
  66 /* Audio routing */
  67
  68 #define SND_IOCTL_MAGIC 's'
  69
  70 #define SND_MUTE_UNMUTED 0
  71 #define SND_MUTE_MUTED   1
  72
  73 struct msm_snd_device_config {
  74         uint32_t device;
  75         uint32_t ear_mute;
  76         uint32_t mic_mute;
  77 };
  78
  79 #define SND_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_device_config *)
  80
  81 #define SND_METHOD_VOICE 0
  82
  83 struct msm_snd_volume_config {
  84         uint32_t device;
  85         uint32_t method;
  86         uint32_t volume;
  87 };
  88
  89 #define SND_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_snd_volume_config *)
  90
  91 /* Returns the number of SND endpoints supported. */
  92
  93 #define SND_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *)
  94
  95 struct msm_snd_endpoint {
  96         int id; /* input and output */
  97         char name[64]; /* output only */
  98 };
  99
 100 /* Takes an index between 0 and one less than the number returned by
 101  * SND_GET_NUM_ENDPOINTS, and returns the SND index and name of a
 102  * SND endpoint.  On input, the .id field contains the number of the
 103  * endpoint, and on exit it contains the SND index, while .name contains
 104  * the description of the endpoint.
 105  */
 106
 107 #define SND_GET_ENDPOINT _IOWR(SND_IOCTL_MAGIC, 5, struct msm_snd_endpoint *)
 108
 109 struct msm_audio_pcm_config {
 110         uint32_t pcm_feedback;  /* 0 - disable > 0 - enable */
 111         uint32_t buffer_count;  /* Number of buffers to allocate */
 112         uint32_t buffer_size;   /* Size of buffer for capturing of
 113                                    PCM samples */
 114 };
 115 #endif