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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | #ifndef __SOUND_INITVAL_H |
3 | #define __SOUND_INITVAL_H | |
4 | ||
5 | /* | |
6 | * Init values for soundcard modules | |
c1017a4c | 7 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
8 | */ |
9 | ||
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) | |
14 | ||
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 | |
23 | ||
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 } | |
28 | #ifdef CONFIG_PNP | |
29 | #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP | |
30 | #else | |
31 | #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE | |
32 | #endif | |
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 | |
38 | ||
988aec3d OZ |
39 | #ifdef SNDRV_LEGACY_FIND_FREE_IOPORT |
40 | static long snd_legacy_find_free_ioport(long *port_table, long size) | |
41 | { | |
42 | while (*port_table != -1) { | |
43 | if (request_region(*port_table, size, "ALSA test")) { | |
44 | release_region(*port_table, size); | |
45 | return *port_table; | |
46 | } | |
47 | port_table++; | |
48 | } | |
49 | return -1; | |
50 | } | |
51 | #endif | |
52 | ||
1da177e4 LT |
53 | #ifdef SNDRV_LEGACY_FIND_FREE_IRQ |
54 | #include <linux/interrupt.h> | |
55 | ||
7d12e780 | 56 | static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id) |
1da177e4 LT |
57 | { |
58 | return IRQ_HANDLED; | |
59 | } | |
60 | ||
61 | static int snd_legacy_find_free_irq(int *irq_table) | |
62 | { | |
63 | while (*irq_table != -1) { | |
64 | if (!request_irq(*irq_table, snd_legacy_empty_irq_handler, | |
88e24c3a | 65 | IRQF_PROBE_SHARED, "ALSA Test IRQ", |
02ada9c1 | 66 | (void *) irq_table)) { |
1da177e4 LT |
67 | free_irq(*irq_table, (void *) irq_table); |
68 | return *irq_table; | |
69 | } | |
70 | irq_table++; | |
71 | } | |
72 | return -1; | |
73 | } | |
74 | #endif | |
75 | ||
76 | #ifdef SNDRV_LEGACY_FIND_FREE_DMA | |
77 | static int snd_legacy_find_free_dma(int *dma_table) | |
78 | { | |
79 | while (*dma_table != -1) { | |
80 | if (!request_dma(*dma_table, "ALSA Test DMA")) { | |
81 | free_dma(*dma_table); | |
82 | return *dma_table; | |
83 | } | |
84 | dma_table++; | |
85 | } | |
86 | return -1; | |
87 | } | |
88 | #endif | |
89 | ||
90 | #endif /* __SOUND_INITVAL_H */ |