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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>
static enum beepstate allow_beep = BEEP_OFF;
static int melody_type = 0;
#define MAX_TONE_MODE 3
#define MAX_STATE 4
struct tone {
int pitch;
int duration;
};
static struct tone silent_beep[] = {
{0, 0}
};
static struct tone success_beep[] = {
{1200, 40}, {0, 0}
};
static struct tone failure_beep[] = {
{3200, 40}, {0, 0}
};
static struct tone insert_remove_beep[] = {
{1600, 20}, {0, 0}
};
static struct tone success_melody_beep[] = {
{1200, 7}, {1000, 7}, { 800, 15}, {0, 0}
};
static struct tone failure_melody_beep[] = {
{2000, 7}, {2400, 7}, {2800, 15}, {0, 0}
};
static struct tone insert_melody_beep[] = {
{1600, 10}, {1200, 5}, {0, 0}
};
static struct tone remove_melody_beep[] = {
{1200, 10}, {1600, 5}, {0, 0}
};
static struct tone *melody_table[MAX_TONE_MODE][MAX_STATE] = {
{ /* silent mode */
silent_beep, silent_beep, silent_beep, silent_beep,
},
{ /* simple beep mode */
success_beep, failure_beep,
insert_remove_beep, insert_remove_beep,
},
{ /* melody beep mode */
success_melody_beep, failure_melody_beep,
insert_melody_beep, remove_melody_beep,
},
};
static void
pccard_beep_sub(void *arg)
{
struct tone *melody;
melody = (struct tone *)arg;
if (melody->pitch != 0) {
sysbeep(melody->pitch, melody->duration);
timeout(pccard_beep_sub, melody + 1, melody->duration);
} else
allow_beep = BEEP_ON;
}
static void
pccard_beep_start(void *arg)
{
struct tone *melody;
melody = (struct tone *)arg;
if (allow_beep == BEEP_ON && melody->pitch != 0) {
allow_beep = BEEP_OFF;
sysbeep(melody->pitch, melody->duration);
timeout(pccard_beep_sub, melody + 1, melody->duration);
}
}
void
pccard_success_beep(void)
{
pccard_beep_start(melody_table[melody_type][0]);
}
void
pccard_failure_beep(void)
{
pccard_beep_start(melody_table[melody_type][1]);
}
void
pccard_insert_beep(void)
{
pccard_beep_start(melody_table[melody_type][2]);
}
void
pccard_remove_beep(void)
{
pccard_beep_start(melody_table[melody_type][3]);
}
int
pccard_beep_select(int type)
{
int errcode = 0;
if (type == 0) {
allow_beep = BEEP_OFF;
melody_type = 0;
} else if (type < 0 || MAX_TONE_MODE - 1 < type) {
errcode = 1;
} else {
allow_beep = BEEP_ON;
melody_type = type;
}
return (errcode);
}
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