mirror of https://gitee.com/openkylin/linux.git
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* 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 <perex@perex.cz>
|
|
*/
|
|
|
|
#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 */
|