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/*
* sound/sb_card.c
*
* Detection routine for the Sound Blaster cards.
*/
/*
* Copyright (C) by Hannu Savolainen 1993-1997
*
* OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
* Version 2 (June 1991). See the "COPYING" file distributed with this software
* for more info.
*/
#include <linux/config.h>
#include <linux/module.h>
#include "sound_config.h"
#include "soundmodule.h"
#if defined(CONFIG_SBDSP) || defined (MODULE)
#include "sb_mixer.h"
#include "sb.h"
void
attach_sb_card(struct address_info *hw_config)
{
#if defined(CONFIG_AUDIO) || defined(CONFIG_MIDI)
sb_dsp_init(hw_config);
#endif
}
int
probe_sb(struct address_info *hw_config)
{
if (check_region(hw_config->io_base, 16))
{
printk("\n\nsb_card.c: I/O port %x is already in use\n\n", hw_config->io_base);
return 0;
}
return sb_dsp_detect(hw_config);
}
void
unload_sb(struct address_info *hw_config)
{
sb_dsp_unload(hw_config);
}
#ifdef MODULE
static struct address_info config;
static struct address_info config_mpu;
/*
* Note DMA2 of -1 has the right meaning in the SB16 driver as well
* as here. It will cause either an error if it is needed or a fallback
* to the 8bit channel.
*/
int mpu_io = 0;
int io = -1;
int irq = -1;
int dma = -1;
int dma16 = -1; /* Set this for modules that need it */
int type = 0; /* Can set this to a specific card type */
int mad16 = 0; /* Set mad16=1 to load this as support for mad16 */
int trix = 0; /* Set trix=1 to load this as support for trix */
int pas2 = 0; /* Set pas2=1 to load this as support for pas2 */
int sm_games = 0; /* Mixer - see sb_mixer.c */
int acer = 0; /* Do acer notebook init */
MODULE_PARM(io, "i");
MODULE_PARM(irq, "i");
MODULE_PARM(dma, "i");
MODULE_PARM(dma16, "i");
MODULE_PARM(mpu_io, "i");
MODULE_PARM(type, "i");
MODULE_PARM(mad16, "i");
MODULE_PARM(trix, "i");
MODULE_PARM(pas2, "i");
MODULE_PARM(sm_games, "i");
static int sbmpu = 0;
void *smw_free = NULL;
int init_module(void)
{
printk(KERN_INFO "Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996\n");
if (mad16 == 0 && trix == 0 && pas2 == 0)
{
if (io == -1 || dma == -1 || irq == -1)
{
printk(KERN_ERR "I/O, IRQ, and DMA are mandatory\n");
return -EINVAL;
}
config.io_base = io;
config.irq = irq;
config.dma = dma;
config.dma2 = dma16;
config.card_subtype = type;
if (!probe_sb(&config))
return -ENODEV;
attach_sb_card(&config);
#ifdef CONFIG_MIDI
config_mpu.io_base = mpu_io;
if (mpu_io && probe_sbmpu(&config_mpu))
sbmpu = 1;
#endif
#ifdef CONFIG_MIDI
if (sbmpu)
attach_sbmpu(&config_mpu);
#endif
}
SOUND_LOCK;
return 0;
}
void
cleanup_module(void)
{
if (smw_free)
kfree(smw_free);
if (!mad16 && !trix && !pas2)
unload_sb(&config);
if (sbmpu)
unload_sbmpu(&config_mpu);
SOUND_LOCK_END;
}
#else
#ifdef SM_GAMES
int sm_games = 1;
#else
int sm_games = 0;
#endif
#ifdef SB_ACER
int acer = 1;
#else
int acer = 0;
#endif
#endif
#endif
EXPORT_SYMBOL(sb_dsp_init);
EXPORT_SYMBOL(sb_dsp_detect);
EXPORT_SYMBOL(sb_dsp_unload);
EXPORT_SYMBOL(sb_dsp_disable_midi);
EXPORT_SYMBOL(attach_sb_card);
EXPORT_SYMBOL(probe_sb);
EXPORT_SYMBOL(unload_sb);
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