1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun #ifndef __SOUND_INITVAL_H
3*4882a593Smuzhiyun #define __SOUND_INITVAL_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun /*
6*4882a593Smuzhiyun * Init values for soundcard modules
7*4882a593Smuzhiyun * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #define SNDRV_AUTO_PORT 1
11*4882a593Smuzhiyun #define SNDRV_AUTO_IRQ 0xffff
12*4882a593Smuzhiyun #define SNDRV_AUTO_DMA 0xffff
13*4882a593Smuzhiyun #define SNDRV_AUTO_DMA_SIZE (0x7fffffff)
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define SNDRV_DEFAULT_IDX1 (-1)
16*4882a593Smuzhiyun #define SNDRV_DEFAULT_STR1 NULL
17*4882a593Smuzhiyun #define SNDRV_DEFAULT_ENABLE1 1
18*4882a593Smuzhiyun #define SNDRV_DEFAULT_PORT1 SNDRV_AUTO_PORT
19*4882a593Smuzhiyun #define SNDRV_DEFAULT_IRQ1 SNDRV_AUTO_IRQ
20*4882a593Smuzhiyun #define SNDRV_DEFAULT_DMA1 SNDRV_AUTO_DMA
21*4882a593Smuzhiyun #define SNDRV_DEFAULT_DMA_SIZE1 SNDRV_AUTO_DMA_SIZE
22*4882a593Smuzhiyun #define SNDRV_DEFAULT_PTR1 SNDRV_DEFAULT_STR1
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #define SNDRV_DEFAULT_IDX { [0 ... (SNDRV_CARDS-1)] = -1 }
25*4882a593Smuzhiyun #define SNDRV_DEFAULT_STR { [0 ... (SNDRV_CARDS-1)] = NULL }
26*4882a593Smuzhiyun #define SNDRV_DEFAULT_ENABLE { 1, [1 ... (SNDRV_CARDS-1)] = 0 }
27*4882a593Smuzhiyun #define SNDRV_DEFAULT_ENABLE_PNP { [0 ... (SNDRV_CARDS-1)] = 1 }
28*4882a593Smuzhiyun #ifdef CONFIG_PNP
29*4882a593Smuzhiyun #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP
30*4882a593Smuzhiyun #else
31*4882a593Smuzhiyun #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE
32*4882a593Smuzhiyun #endif
33*4882a593Smuzhiyun #define SNDRV_DEFAULT_PORT { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_PORT }
34*4882a593Smuzhiyun #define SNDRV_DEFAULT_IRQ { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_IRQ }
35*4882a593Smuzhiyun #define SNDRV_DEFAULT_DMA { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA }
36*4882a593Smuzhiyun #define SNDRV_DEFAULT_DMA_SIZE { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
37*4882a593Smuzhiyun #define SNDRV_DEFAULT_PTR SNDRV_DEFAULT_STR
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun #ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
snd_legacy_find_free_ioport(const long * port_table,long size)40*4882a593Smuzhiyun static long snd_legacy_find_free_ioport(const long *port_table, long size)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun while (*port_table != -1) {
43*4882a593Smuzhiyun if (request_region(*port_table, size, "ALSA test")) {
44*4882a593Smuzhiyun release_region(*port_table, size);
45*4882a593Smuzhiyun return *port_table;
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun port_table++;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun return -1;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun #endif
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun #ifdef SNDRV_LEGACY_FIND_FREE_IRQ
54*4882a593Smuzhiyun #include <linux/interrupt.h>
55*4882a593Smuzhiyun
snd_legacy_empty_irq_handler(int irq,void * dev_id)56*4882a593Smuzhiyun static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun return IRQ_HANDLED;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
snd_legacy_find_free_irq(const int * irq_table)61*4882a593Smuzhiyun static int snd_legacy_find_free_irq(const int *irq_table)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun while (*irq_table != -1) {
64*4882a593Smuzhiyun if (!request_irq(*irq_table, snd_legacy_empty_irq_handler,
65*4882a593Smuzhiyun IRQF_PROBE_SHARED, "ALSA Test IRQ",
66*4882a593Smuzhiyun (void *) irq_table)) {
67*4882a593Smuzhiyun free_irq(*irq_table, (void *) irq_table);
68*4882a593Smuzhiyun return *irq_table;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun irq_table++;
71*4882a593Smuzhiyun }
72*4882a593Smuzhiyun return -1;
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun #endif
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun #ifdef SNDRV_LEGACY_FIND_FREE_DMA
snd_legacy_find_free_dma(const int * dma_table)77*4882a593Smuzhiyun static int snd_legacy_find_free_dma(const int *dma_table)
78*4882a593Smuzhiyun {
79*4882a593Smuzhiyun while (*dma_table != -1) {
80*4882a593Smuzhiyun if (!request_dma(*dma_table, "ALSA Test DMA")) {
81*4882a593Smuzhiyun free_dma(*dma_table);
82*4882a593Smuzhiyun return *dma_table;
83*4882a593Smuzhiyun }
84*4882a593Smuzhiyun dma_table++;
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun return -1;
87*4882a593Smuzhiyun }
88*4882a593Smuzhiyun #endif
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun #endif /* __SOUND_INITVAL_H */
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