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90 lines
2.4 KiB
90 lines
2.4 KiB
/* 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 <[email protected]> |
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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(const 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(const 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(const 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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