91 строка
2.4 KiB
C
91 строка
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef __SOUND_INITVAL_H
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#define __SOUND_INITVAL_H
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/*
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* Init values for soundcard modules
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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*/
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#define SNDRV_AUTO_PORT 1
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#define SNDRV_AUTO_IRQ 0xffff
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#define SNDRV_AUTO_DMA 0xffff
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#define SNDRV_AUTO_DMA_SIZE (0x7fffffff)
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#define SNDRV_DEFAULT_IDX1 (-1)
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#define SNDRV_DEFAULT_STR1 NULL
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#define SNDRV_DEFAULT_ENABLE1 1
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#define SNDRV_DEFAULT_PORT1 SNDRV_AUTO_PORT
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#define SNDRV_DEFAULT_IRQ1 SNDRV_AUTO_IRQ
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#define SNDRV_DEFAULT_DMA1 SNDRV_AUTO_DMA
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#define SNDRV_DEFAULT_DMA_SIZE1 SNDRV_AUTO_DMA_SIZE
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#define SNDRV_DEFAULT_PTR1 SNDRV_DEFAULT_STR1
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#define SNDRV_DEFAULT_IDX { [0 ... (SNDRV_CARDS-1)] = -1 }
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#define SNDRV_DEFAULT_STR { [0 ... (SNDRV_CARDS-1)] = NULL }
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#define SNDRV_DEFAULT_ENABLE { 1, [1 ... (SNDRV_CARDS-1)] = 0 }
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#define SNDRV_DEFAULT_ENABLE_PNP { [0 ... (SNDRV_CARDS-1)] = 1 }
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#ifdef CONFIG_PNP
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#define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP
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#else
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#define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE
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#endif
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#define SNDRV_DEFAULT_PORT { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_PORT }
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#define SNDRV_DEFAULT_IRQ { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_IRQ }
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#define SNDRV_DEFAULT_DMA { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA }
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#define SNDRV_DEFAULT_DMA_SIZE { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
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#define SNDRV_DEFAULT_PTR SNDRV_DEFAULT_STR
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#ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
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static long snd_legacy_find_free_ioport(long *port_table, long size)
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{
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while (*port_table != -1) {
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if (request_region(*port_table, size, "ALSA test")) {
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release_region(*port_table, size);
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return *port_table;
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}
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port_table++;
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}
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return -1;
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}
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#endif
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#ifdef SNDRV_LEGACY_FIND_FREE_IRQ
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#include <linux/interrupt.h>
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static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
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{
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return IRQ_HANDLED;
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}
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static int snd_legacy_find_free_irq(int *irq_table)
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{
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while (*irq_table != -1) {
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if (!request_irq(*irq_table, snd_legacy_empty_irq_handler,
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IRQF_PROBE_SHARED, "ALSA Test IRQ",
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(void *) irq_table)) {
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free_irq(*irq_table, (void *) irq_table);
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return *irq_table;
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}
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irq_table++;
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}
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return -1;
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}
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#endif
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#ifdef SNDRV_LEGACY_FIND_FREE_DMA
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static int snd_legacy_find_free_dma(int *dma_table)
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{
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while (*dma_table != -1) {
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if (!request_dma(*dma_table, "ALSA Test DMA")) {
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free_dma(*dma_table);
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return *dma_table;
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}
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dma_table++;
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}
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return -1;
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}
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#endif
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#endif /* __SOUND_INITVAL_H */
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