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/*
* sound/dev_table.c
*
* Device call tables.
*
* Copyright by Hannu Savolainen 1993
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. 2.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#define _DEV_TABLE_C_
#include <i386/isa/sound/sound_config.h>
#ifdef CONFIGURE_SOUNDCARD
int
snd_find_driver (int type)
{
int i, n = sizeof (sound_drivers) / sizeof (struct driver_info);
for (i = 0; i < (n - 1); i++)
if (sound_drivers[i].card_type == type)
return i;
return -1; /*
* Not found
*/
}
static long
sndtable_init (long mem_start)
{
int i, n = sizeof (snd_installed_cards) / sizeof (struct card_info);
int drv;
printk ("Sound initialization started\n");
for (i = 0; i < (n - 1); i++)
if (snd_installed_cards[i].enabled)
if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)
snd_installed_cards[i].enabled = 0; /*
* Mark as not detected
*/
else if (sound_drivers[drv].probe (&snd_installed_cards[i].config))
{
#ifndef SHORT_BANNERS
printk ("snd%d",
snd_installed_cards[i].card_type);
#endif
mem_start = sound_drivers[drv].attach (mem_start, &snd_installed_cards[i].config);
#ifndef SHORT_BANNERS
printk (" at 0x%x irq %d drq %d\n",
snd_installed_cards[i].config.io_base,
snd_installed_cards[i].config.irq,
snd_installed_cards[i].config.dma);
#endif
}
else
snd_installed_cards[i].enabled = 0; /*
* Mark as not detected
*/
printk ("Sound initialization complete\n");
return mem_start;
}
int
sndtable_probe (int unit, struct address_info *hw_config)
{
int i, n = sizeof (snd_installed_cards) / sizeof (struct card_info);
if (!unit)
return TRUE;
for (i = 0; i < (n - 1); i++)
if (snd_installed_cards[i].enabled)
if (snd_installed_cards[i].card_type == unit)
{
int drv;
snd_installed_cards[i].config.io_base = hw_config->io_base;
snd_installed_cards[i].config.irq = hw_config->irq;
snd_installed_cards[i].config.dma = hw_config->dma;
if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)
snd_installed_cards[i].enabled = 0; /*
* Mark as not
* detected
*/
else if (sound_drivers[drv].probe (hw_config))
return 1;
snd_installed_cards[i].enabled = 0; /*
* Mark as not detected
*/
return 0;
}
return FALSE;
}
int
sndtable_init_card (int unit, struct address_info *hw_config)
{
int i, n = sizeof (snd_installed_cards) / sizeof (struct card_info);
if (!unit)
{
if (sndtable_init (0) != 0)
panic ("snd: Invalid memory allocation\n");
return TRUE;
}
for (i = 0; i < (n - 1); i++)
if (snd_installed_cards[i].card_type == unit)
{
int drv;
snd_installed_cards[i].config.io_base = hw_config->io_base;
snd_installed_cards[i].config.irq = hw_config->irq;
snd_installed_cards[i].config.dma = hw_config->dma;
if ((drv = snd_find_driver (snd_installed_cards[i].card_type)) == -1)
snd_installed_cards[i].enabled = 0; /*
* Mark as not detected
*/
else if (sound_drivers[drv].attach (0, hw_config) != 0)
panic ("snd#: Invalid memory allocation\n");
return TRUE;
}
return FALSE;
}
int
sndtable_get_cardcount (void)
{
return num_audiodevs + num_mixers + num_synths + num_midis;
}
struct address_info *
sound_getconf (int card_type)
{
int j, ptr;
int n = sizeof (snd_installed_cards) / sizeof (struct card_info);
ptr = -1;
for (j = 0; j < n && ptr == -1; j++)
if (snd_installed_cards[j].card_type == card_type)
ptr = j;
if (ptr == -1)
return (struct address_info *) NULL;
return &snd_installed_cards[ptr].config;
}
#else
void
sound_setup (char *str, int *ints)
{
}
#endif
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