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xserver/hw/xfree86/os-support/linux/lnx_bell.c

47 lines
1.6 KiB
C

/*
* Copyright © 2006 Daniel Stone
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Daniel Stone <daniel@fooishbar.org>
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <sys/ioctl.h>
#include <linux/kd.h>
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSproc.h"
void
xf86OSRingBell(int loudness, int pitch, int duration)
{
if (xf86Info.consoleFd == -1 || !pitch || !loudness)
return;
ioctl(xf86Info.consoleFd, KDMKTONE,
((1193190 / pitch) & 0xffff) |
(((unsigned long) duration * loudness / 50) << 16));
}