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/*
* Project: S.Ha.R.K.
*
* Coordinators:
* Giorgio Buttazzo <giorgio@sssup.it>
* Paolo Gai <pj@gandalf.sssup.it>
*
* Authors :
* Mauro Marinoni <mauro.marinoni@unipv.it>
* (see the web pages for full authors list)
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://shark.sssup.it
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
//#define __MOUSE_DEBUG__ 1
#include <kernel/kern.h>
#include "../include/drivers/shark_input26.h"
#include "../include/drivers/shark_spk26.h"
/* Devices */
extern int pcspkr_init(void);
extern int pcspkr_exit(void);
/* Handlers */
extern int speaker_init(void);
extern void speaker_exit(void);
/* Functions */
extern void spk_mksound(unsigned int hz, unsigned int ticks);
extern void spk_nosound(unsigned long ignored);
static int speaker_installed;
/* User Functions */
void speaker_sound(unsigned int hz, unsigned int ticks)
{
spk_mksound(hz, ticks);
}
void speaker_mute(void)
{
spk_nosound(0);
}
/* Init the Linux Speaker Driver */
int SPEAK26_installed()
{
return speaker_installed;
}
int SPEAK26_init()
{
int ret;
if (speaker_installed == TRUE) return 0;
if (INPUT26_installed() == FALSE)
if (INPUT26_init()) {
printk(KERN_ERR "Unable to open Input SubSystem.\n");
return -1;
}
ret = pcspkr_init();
if (ret) {
printk(KERN_ERR "PcSpkr_Init return: %d\n", ret);
return -1;
}
ret = speaker_init();
if (ret) {
printk(KERN_ERR "Speaker_Init return: %d\n", ret);
return -1;
}
speaker_installed = TRUE;
return 0;
}
int SPEAK26_close()
{
if (!speaker_installed)
return -1;
speaker_exit();
pcspkr_exit();
speaker_installed = TRUE;
return 0;
}