35 lines
1.8 KiB
C
35 lines
1.8 KiB
C
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#define LINUX_IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
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#define LINUX_IOC_VOID 0x00000000 /* no parameters */
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#define LINUX_IOC_IN 0x40000000 /* copy in parameters */
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#define LINUX_IOC_OUT 0x80000000 /* copy out parameters */
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#define LINUX_IOC_INOUT (LINUX_IOC_IN | LINUX_IOC_OUT)
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#define _LINUX_IOCTL(w,x,y,z) ((int)((w)|(((z)&LINUX_IOCPARM_MASK)<<16)|((x)<<8)|(y)))
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#if 0
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#define _LINUX_IO(x,y) _LINUX_IOCTL(LINUX_IOC_VOID, x, y, 0)
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#endif
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#define _LINUX_IOR(x,y,t) _LINUX_IOCTL(LINUX_IOC_OUT, x, y, sizeof(t))
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#define _LINUX_IOW(x,y,t) _LINUX_IOCTL(LINUX_IOC_IN, x, y, sizeof(t))
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#define _LINUX_IOWR(x,y,t) _LINUX_IOCTL(LINUX_IOC_INOUT, x, y, sizeof(t))
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#define LINUX_SNDCTL_DSP_RESET _LINUX_IO('P', 0)
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#define LINUX_SNDCTL_DSP_SYNC _LINUX_IO('P', 1)
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#define LINUX_SNDCTL_DSP_SPEED _LINUX_IOWR('P', 2, int)
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#define LINUX_SNDCTL_DSP_STEREO _LINUX_IOWR('P', 3, int)
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#define LINUX_SNDCTL_DSP_GETBLKSIZE _LINUX_IOWR('P', 4, int)
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#define LINUX_SNDCTL_DSP_SETFMT _LINUX_IOWR('P', 5, int)
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#define LINUX_SNDCTL_DSP_POST _LINUX_IO('P', 8)
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#define LINUX_SNDCTL_DSP_SETFRAGMENT _LINUX_IOWR('P', 10, int)
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#define LINUX_SNDCTL_DSP_GETFMTS _LINUX_IOR('P', 11, int)
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#define LINUX_AFMT_QUERY 0x00000000 /* Return current fmt */
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#define LINUX_AFMT_MU_LAW 0x00000001
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#define LINUX_AFMT_A_LAW 0x00000002
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#define LINUX_AFMT_IMA_ADPCM 0x00000004
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#define LINUX_AFMT_U8 0x00000008
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#define LINUX_AFMT_S16_LE 0x00000010 /* Little endian signed 16 */
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#define LINUX_AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
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#define LINUX_AFMT_S8 0x00000040
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#define LINUX_AFMT_U16_LE 0x00000080 /* Little endian U16 */
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#define LINUX_AFMT_U16_BE 0x00000100 /* Big endian U16 */
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#define LINUX_AFMT_MPEG 0x00000200 /* MPEG (2) audio */
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