Viewing file:  initval.h (2.43 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_INITVAL_H
#define __SOUND_INITVAL_H
/*
* Init values for soundcard modules
* Copyright (c) by Jaroslav Kysela <[email protected]>
*/
#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_IOPORT
static long snd_legacy_find_free_ioport(const long *port_table, long size)
{
while (*port_table != -1) {
if (request_region(*port_table, size, "ALSA test")) {
release_region(*port_table, size);
return *port_table;
}
port_table++;
}
return -1;
}
#endif
#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(const int *irq_table)
{
while (*irq_table != -1) {
if (!request_irq(*irq_table, snd_legacy_empty_irq_handler,
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(const 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 */
|