1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef __SOUND_INITVAL_H
3 #define __SOUND_INITVAL_H
6 * Init values for soundcard modules
7 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
10 #define SNDRV_AUTO_PORT 1
11 #define SNDRV_AUTO_IRQ 0xffff
12 #define SNDRV_AUTO_DMA 0xffff
13 #define SNDRV_AUTO_DMA_SIZE (0x7fffffff)
15 #define SNDRV_DEFAULT_IDX1 (-1)
16 #define SNDRV_DEFAULT_STR1 NULL
17 #define SNDRV_DEFAULT_ENABLE1 1
18 #define SNDRV_DEFAULT_PORT1 SNDRV_AUTO_PORT
19 #define SNDRV_DEFAULT_IRQ1 SNDRV_AUTO_IRQ
20 #define SNDRV_DEFAULT_DMA1 SNDRV_AUTO_DMA
21 #define SNDRV_DEFAULT_DMA_SIZE1 SNDRV_AUTO_DMA_SIZE
22 #define SNDRV_DEFAULT_PTR1 SNDRV_DEFAULT_STR1
24 #define SNDRV_DEFAULT_IDX { [0 ... (SNDRV_CARDS-1)] = -1 }
25 #define SNDRV_DEFAULT_STR { [0 ... (SNDRV_CARDS-1)] = NULL }
26 #define SNDRV_DEFAULT_ENABLE { 1, [1 ... (SNDRV_CARDS-1)] = 0 }
27 #define SNDRV_DEFAULT_ENABLE_PNP { [0 ... (SNDRV_CARDS-1)] = 1 }
29 #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP
31 #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE
33 #define SNDRV_DEFAULT_PORT { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_PORT }
34 #define SNDRV_DEFAULT_IRQ { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_IRQ }
35 #define SNDRV_DEFAULT_DMA { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA }
36 #define SNDRV_DEFAULT_DMA_SIZE { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
37 #define SNDRV_DEFAULT_PTR SNDRV_DEFAULT_STR
39 #ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
40 static long snd_legacy_find_free_ioport(const long *port_table, long size)
42 while (*port_table != -1) {
43 if (request_region(*port_table, size, "ALSA test")) {
44 release_region(*port_table, size);
53 #ifdef SNDRV_LEGACY_FIND_FREE_IRQ
54 #include <linux/interrupt.h>
56 static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
61 static int snd_legacy_find_free_irq(const int *irq_table)
63 while (*irq_table != -1) {
64 if (!request_irq(*irq_table, snd_legacy_empty_irq_handler,
65 IRQF_PROBE_SHARED, "ALSA Test IRQ",
66 (void *) irq_table)) {
67 free_irq(*irq_table, (void *) irq_table);
76 #ifdef SNDRV_LEGACY_FIND_FREE_DMA
77 static int snd_legacy_find_free_dma(const int *dma_table)
79 while (*dma_table != -1) {
80 if (!request_dma(*dma_table, "ALSA Test DMA")) {
90 #endif /* __SOUND_INITVAL_H */