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Rollup patch.
[super-star-trek.git]
/
src
/
sstlinux.c
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#include "config.h"
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#include "sstlinux.h"
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#ifdef HAVE_LINUX_KD_H
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#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <linux/kd.h>
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static int fd = 0;
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#endif
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void sound(unsigned int freq)
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{
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#ifdef HAVE_LINUX_KD_H
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if(fd==0) fd=open("/dev/console", O_RDONLY);
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if(fd>0) ioctl(fd, KDMKTONE, 1193180/freq + (0xFFFF<<16));
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#endif
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}
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void nosound(void)
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{
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#ifdef HAVE_LINUX_KD_H
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if(fd>0) ioctl(fd, KDMKTONE, 0);
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#endif
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}