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/*-
* pccard noise interface.
* Nate Williams, October 1997.
* This file is in the public domain.
*/
/* $FreeBSD$ */
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <machine/clock.h>
#include <pccard/driver.h>
#define PCCARD_BEEP_PITCH0 1600
#define PCCARD_BEEP_DURATION0 20
#define PCCARD_BEEP_PITCH1 1200
#define PCCARD_BEEP_DURATION1 40
#define PCCARD_BEEP_PITCH2 3200
#define PCCARD_BEEP_DURATION2 40
static struct callout_handle beeptimeout_ch
= CALLOUT_HANDLE_INITIALIZER(&beeptimeout_ch);
static enum beepstate allow_beep = BEEP_OFF;
/*
* timeout function to keep lots of noise from
* happening with insertion/removals.
*/
static void enable_beep(void *dummy)
{
/* Should never be needed */
untimeout(enable_beep, (void *)NULL, beeptimeout_ch);
allow_beep = BEEP_ON;
}
void pccard_insert_beep(void)
{
if (allow_beep == BEEP_ON) {
sysbeep(PCCARD_BEEP_PITCH0, PCCARD_BEEP_DURATION0);
allow_beep = BEEP_OFF;
beeptimeout_ch = timeout(enable_beep, (void *)NULL, hz / 5);
}
}
void pccard_remove_beep(void)
{
if (allow_beep == BEEP_ON) {
sysbeep(PCCARD_BEEP_PITCH0, PCCARD_BEEP_DURATION0);
allow_beep = BEEP_OFF;
beeptimeout_ch = timeout(enable_beep, (void *)NULL, hz / 5);
}
}
void pccard_success_beep(void)
{
if (allow_beep == BEEP_ON) {
sysbeep(PCCARD_BEEP_PITCH1, PCCARD_BEEP_DURATION1);
}
}
void pccard_failure_beep(void)
{
if (allow_beep == BEEP_ON) {
sysbeep(PCCARD_BEEP_PITCH2, PCCARD_BEEP_DURATION2);
}
}
int pccard_beep_select(enum beepstate state)
{
if (state == BEEP_ON || state == BEEP_OFF) {
allow_beep = state;
return 0;
}
return 1;
}
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