sys/openbsd/dev_speaker.txt

# Copyright 2019 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

include <sys/param.h>
include <sys/ioctl.h>
include <sys/fcntl.h>

include <dev/isa/spkrio.h>

resource fd_speaker[fd]

openat$speaker(fd const[AT_FDCWD], file ptr[in, string["/dev/speaker"]], flags flags[open_flags], mode const[0]) fd_speaker

ioctl$SPKRTONE(fd fd_diskmap, cmd const[SPKRTONE], arg ptr[in, tone])
ioctl$SPKRTUNE(fd fd_diskmap, cmd const[SPKRTUNE], arg ptr[in, tone])

tone {
	frequency	int32
	duration	int32
}