include/asm-arm/arcaudio.h

   1 /*
   2  * arcaudio.h
   3  *
   4  */
   5
   6 #ifndef _LINUX_ARCAUDIO_H
   7 #define _LINUX_ARCAUDIO_H
   8
   9 #define ARCAUDIO_MAXCHANNELS    8
  10
  11 enum ch_type
  12 {
  13   ARCAUDIO_NONE,                        /* No sound (muted) */
  14   ARCAUDIO_8BITSIGNED,                  /* signed 8 bits per samples */
  15   ARCAUDIO_8BITUNSIGNED,                /* unsigned 8 bits per samples */
  16   ARCAUDIO_16BITSIGNED,                 /* signed 16 bits per samples (little endian) */
  17   ARCAUDIO_16BITUNSIGNED,               /* unsigned 16 bits per samples (little endian) */
  18   ARCAUDIO_LOG                          /* Vidc Log */
  19 };
  20
  21 /*
  22  * Global information
  23  */
  24 struct arcaudio
  25 {
  26   int           sample_rate;            /* sample rate (Hz) */
  27   int           num_channels;           /* number of channels */
  28   int           volume;                 /* overall system volume */
  29 };
  30
  31 /*
  32  * Per channel information
  33  */
  34 struct arcaudio_channel
  35 {
  36   int           stereo_position;        /* Channel position */
  37   int           channel_volume;         /* Channel volume */
  38   enum ch_type  channel_type;           /* Type of channel */
  39   int           buffer_size;            /* Size of channel buffer */
  40 };
  41
  42 /* IOCTLS */
  43 #define ARCAUDIO_GETINFO        0x6101
  44 #define ARCAUDIO_SETINFO        0x6102
  45 #define ARCAUDIO_GETCHANNELINFO 0x6111
  46 #define ARCAUDIO_SETCHANNELINFO 0x6112
  47 #define ARCAUDIO_GETOPTS        0x61f0
  48 #define ARCAUDIO_SETOPTS        0x61f1
  49 #define  ARCAUDIO_OPTSPKR       1<<0
  50
  51 #endif