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spkrio.h revision 1.3.4.2 
      1  1.3.4.2  jdolecek /*	$NetBSD: spkrio.h,v 1.3.4.2 2017/12/03 11:36:58 jdolecek Exp $	*/
      2  1.3.4.2  jdolecek 
      3  1.3.4.2  jdolecek /*
      4  1.3.4.2  jdolecek  * spkrio.h -- interface definitions for speaker ioctl()
      5  1.3.4.2  jdolecek  */
      6  1.3.4.2  jdolecek 
      7  1.3.4.2  jdolecek #ifndef _DEV_SPKRIO_H_
      8  1.3.4.2  jdolecek #define _DEV_SPKRIO_H_
      9  1.3.4.2  jdolecek 
     10  1.3.4.2  jdolecek #include <sys/ioccom.h>
     11  1.3.4.2  jdolecek 
     12  1.3.4.2  jdolecek #define SPKRTONE        _IOW('S', 1, tone_t)    /* emit tone */
     13  1.3.4.2  jdolecek #define SPKRTUNE        _IO('S', 2)             /* emit tone sequence */
     14  1.3.4.2  jdolecek #define SPKRGETVOL      _IOR('S', 3, u_int)     /* get volume */
     15  1.3.4.2  jdolecek #define SPKRSETVOL      _IOW('S', 4, u_int)     /* set volume */
     16  1.3.4.2  jdolecek 
     17  1.3.4.2  jdolecek typedef struct {
     18  1.3.4.2  jdolecek 	int	frequency;	/* in hertz */
     19  1.3.4.2  jdolecek 	int	duration;	/* in 1/100ths of a second */
     20  1.3.4.2  jdolecek } tone_t;
     21  1.3.4.2  jdolecek 
     22  1.3.4.2  jdolecek #endif
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