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spkrio.h revision 1.2.6.2 
      1  1.2.6.2  skrll /*	$NetBSD: spkrio.h,v 1.2.6.2 2017/02/05 13:40:26 skrll Exp $	*/
      2  1.2.6.2  skrll 
      3  1.2.6.2  skrll /*
      4  1.2.6.2  skrll  * spkrio.h -- interface definitions for speaker ioctl()
      5  1.2.6.2  skrll  */
      6  1.2.6.2  skrll 
      7  1.2.6.2  skrll #ifndef _DEV_SPKRIO_H_
      8  1.2.6.2  skrll #define _DEV_SPKRIO_H_
      9  1.2.6.2  skrll 
     10  1.2.6.2  skrll #include <sys/ioccom.h>
     11  1.2.6.2  skrll 
     12  1.2.6.2  skrll #define SPKRTONE        _IOW('S', 1, tone_t)    /* emit tone */
     13  1.2.6.2  skrll #define SPKRTUNE        _IO('S', 2)             /* emit tone sequence */
     14  1.2.6.2  skrll 
     15  1.2.6.2  skrll typedef struct {
     16  1.2.6.2  skrll 	int	frequency;	/* in hertz */
     17  1.2.6.2  skrll 	int	duration;	/* in 1/100ths of a second */
     18  1.2.6.2  skrll } tone_t;
     19  1.2.6.2  skrll 
     20  1.2.6.2  skrll #endif
     21