53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* sound_ioctl.h - Sound driver generic interface */
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/* Copyright 1999-2002 Wind River Systems, Inc. */
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/*
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modification history
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--------------------
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01b,26apr02,dat Adding cplusplus protection, SPR 75017
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01a,03oct99,spm created.
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*/
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#ifndef _INCsound_ioctlh
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#define _INCsound_ioctlh
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#ifndef linux
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#include "ioLib.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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unsigned long rate; /* Samples per second */
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unsigned int stereo; /* 0=mono, 1=stereo */
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unsigned int sampleSize; /* 8 or 16 bits per sample */
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unsigned int uLaw; /* 1 = uLaw, 0 = PCM */
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} snd_info_t;
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#define SNDCTL_BASE 0x4000
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#define SNDCTL_DSP_SYNC (SNDCTL_BASE + 0x01)
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#define SNDCTL_DSP_GETBLKSIZE (SNDCTL_BASE + 0x02)
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#define SNDCTL_DSP_SPEED (SNDCTL_BASE + 0x11)
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#define SNDCTL_DSP_STEREO (SNDCTL_BASE + 0x12)
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#define SNDCTL_DSP_SAMPLESIZE (SNDCTL_BASE + 0x13)
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#define SNDCTL_DSP_SETFORMAT (SNDCTL_BASE + 0x14)
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#define SNDCTL_GET_INFO (SNDCTL_BASE + 0x21)
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#define SNDCTL_SET_INFO (SNDCTL_BASE + 0x22)
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#define SNDCTL_SET_VOLUME (SNDCTL_BASE + 0x23)
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#define SNDCTL_GET_VOLUME (SNDCTL_BASE + 0x24)
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCsound_ioctlh */
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