104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
/*
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* linux/kernel/chr_drv/sound/dev_table.c
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*
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* Device call tables.
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*
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* Copyright by Hannu Savolainen 1993
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#define _DEV_TABLE_C_
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#include "sound_config.h"
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#ifdef CONFIGURE_SOUNDCARD
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long
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sndtable_init (long mem_start)
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{
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int i, n = sizeof (supported_drivers) / sizeof (struct card_info);
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for (i = 0; i < (n - 1); i++)
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if (supported_drivers[i].probe (&supported_drivers[i].config))
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{
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#ifndef SHORT_BANNERS
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printk ("snd%d",
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supported_drivers[i].card_type);
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#endif
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mem_start = supported_drivers[i].attach (mem_start, &supported_drivers[i].config);
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#ifndef SHORT_BANNERS
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printk (" at 0x%03x irq %d drq %d\n",
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supported_drivers[i].config.io_base,
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supported_drivers[i].config.irq,
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supported_drivers[i].config.dma);
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#endif
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}
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return mem_start;
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}
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int
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sndtable_probe (int unit, struct address_info *hw_config)
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{
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int i, n = sizeof (supported_drivers) / sizeof (struct card_info);
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if (!unit)
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return TRUE;
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for (i = 0; i < (n - 1); i++)
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if (supported_drivers[i].card_type == unit)
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return supported_drivers[i].probe (hw_config);
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return FALSE;
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}
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int
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sndtable_init_card (int unit, struct address_info *hw_config)
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{
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int i, n = sizeof (supported_drivers) / sizeof (struct card_info);
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if (!unit)
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{
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if (sndtable_init (0) != 0)
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panic ("snd: Invalid memory allocation\n");
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return TRUE;
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}
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for (i = 0; i < (n - 1); i++)
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if (supported_drivers[i].card_type == unit)
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{
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if (supported_drivers[i].attach (0, hw_config) != 0)
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panic ("snd#: Invalid memory allocation\n");
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return TRUE;
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}
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return FALSE;
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}
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int
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sndtable_get_cardcount (void)
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{
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return num_dspdevs + num_mixers + num_synths + num_midis;
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}
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#endif
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