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[/] [or1k/] [tags/] [before_ORP/] [uclinux/] [uClinux-2.0.x/] [include/] [asm-armnommu/] [arcaudio.h] - Rev 1765
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/* * arcaudio.h * */ #ifndef _LINUX_ARCAUDIO_H #define _LINUX_ARCAUDIO_H #define ARCAUDIO_MAXCHANNELS 8 enum ch_type { ARCAUDIO_NONE, /* No sound (muted) */ ARCAUDIO_8BITSIGNED, /* signed 8 bits per samples */ ARCAUDIO_8BITUNSIGNED, /* unsigned 8 bits per samples */ ARCAUDIO_16BITSIGNED, /* signed 16 bits per samples (little endian) */ ARCAUDIO_16BITUNSIGNED, /* unsigned 16 bits per samples (little endian) */ ARCAUDIO_LOG /* Vidc Log */ }; /* * Global information */ struct arcaudio { int sample_rate; /* sample rate (Hz) */ int num_channels; /* number of channels */ int volume; /* overall system volume */ }; /* * Per channel information */ struct arcaudio_channel { int stereo_position; /* Channel position */ int channel_volume; /* Channel volume */ enum ch_type channel_type; /* Type of channel */ int buffer_size; /* Size of channel buffer */ }; /* IOCTLS */ #define ARCAUDIO_GETINFO 0x6101 #define ARCAUDIO_SETINFO 0x6102 #define ARCAUDIO_GETCHANNELINFO 0x6111 #define ARCAUDIO_SETCHANNELINFO 0x6112 #define ARCAUDIO_GETOPTS 0x61f0 #define ARCAUDIO_SETOPTS 0x61f1 #define ARCAUDIO_OPTSPKR 1<<0 #endif