90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
#ifndef __SOUND_INITVAL_H
|
|
#define __SOUND_INITVAL_H
|
|
|
|
/*
|
|
* Init values for soundcard modules
|
|
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
|
|
*
|
|
* 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 SNDRV_AUTO_PORT 1
|
|
#define SNDRV_AUTO_IRQ 0xffff
|
|
#define SNDRV_AUTO_DMA 0xffff
|
|
#define SNDRV_AUTO_DMA_SIZE (0x7fffffff)
|
|
|
|
#define SNDRV_DEFAULT_IDX1 (-1)
|
|
#define SNDRV_DEFAULT_STR1 NULL
|
|
#define SNDRV_DEFAULT_ENABLE1 1
|
|
#define SNDRV_DEFAULT_PORT1 SNDRV_AUTO_PORT
|
|
#define SNDRV_DEFAULT_IRQ1 SNDRV_AUTO_IRQ
|
|
#define SNDRV_DEFAULT_DMA1 SNDRV_AUTO_DMA
|
|
#define SNDRV_DEFAULT_DMA_SIZE1 SNDRV_AUTO_DMA_SIZE
|
|
#define SNDRV_DEFAULT_PTR1 SNDRV_DEFAULT_STR1
|
|
|
|
#define SNDRV_DEFAULT_IDX { [0 ... (SNDRV_CARDS-1)] = -1 }
|
|
#define SNDRV_DEFAULT_STR { [0 ... (SNDRV_CARDS-1)] = NULL }
|
|
#define SNDRV_DEFAULT_ENABLE { 1, [1 ... (SNDRV_CARDS-1)] = 0 }
|
|
#define SNDRV_DEFAULT_ENABLE_PNP { [0 ... (SNDRV_CARDS-1)] = 1 }
|
|
#ifdef CONFIG_PNP
|
|
#define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP
|
|
#else
|
|
#define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE
|
|
#endif
|
|
#define SNDRV_DEFAULT_PORT { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_PORT }
|
|
#define SNDRV_DEFAULT_IRQ { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_IRQ }
|
|
#define SNDRV_DEFAULT_DMA { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA }
|
|
#define SNDRV_DEFAULT_DMA_SIZE { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
|
|
#define SNDRV_DEFAULT_PTR SNDRV_DEFAULT_STR
|
|
|
|
#ifdef SNDRV_LEGACY_FIND_FREE_IRQ
|
|
#include <linux/interrupt.h>
|
|
|
|
static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
|
|
{
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int snd_legacy_find_free_irq(int *irq_table)
|
|
{
|
|
while (*irq_table != -1) {
|
|
if (!request_irq(*irq_table, snd_legacy_empty_irq_handler,
|
|
IRQF_DISABLED | IRQF_PROBE_SHARED, "ALSA Test IRQ",
|
|
(void *) irq_table)) {
|
|
free_irq(*irq_table, (void *) irq_table);
|
|
return *irq_table;
|
|
}
|
|
irq_table++;
|
|
}
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
#ifdef SNDRV_LEGACY_FIND_FREE_DMA
|
|
static int snd_legacy_find_free_dma(int *dma_table)
|
|
{
|
|
while (*dma_table != -1) {
|
|
if (!request_dma(*dma_table, "ALSA Test DMA")) {
|
|
free_dma(*dma_table);
|
|
return *dma_table;
|
|
}
|
|
dma_table++;
|
|
}
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __SOUND_INITVAL_H */
|