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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2#ifndef __SOUND_INITVAL_H
3#define __SOUND_INITVAL_H
4
5/*
6 * Init values for soundcard modules
7 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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
39#ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
40static long snd_legacy_find_free_ioport(const 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
53#ifdef SNDRV_LEGACY_FIND_FREE_IRQ
54#include <linux/interrupt.h>
55
56static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
57{
58 return IRQ_HANDLED;
59}
60
61static int snd_legacy_find_free_irq(const int *irq_table)
62{
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);
68 return *irq_table;
69 }
70 irq_table++;
71 }
72 return -1;
73}
74#endif
75
76#ifdef SNDRV_LEGACY_FIND_FREE_DMA
77static int snd_legacy_find_free_dma(const 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 */
1#ifndef __SOUND_INITVAL_H
2#define __SOUND_INITVAL_H
3
4/*
5 * Init values for soundcard modules
6 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#define SNDRV_AUTO_PORT 1
25#define SNDRV_AUTO_IRQ 0xffff
26#define SNDRV_AUTO_DMA 0xffff
27#define SNDRV_AUTO_DMA_SIZE (0x7fffffff)
28
29#define SNDRV_DEFAULT_IDX1 (-1)
30#define SNDRV_DEFAULT_STR1 NULL
31#define SNDRV_DEFAULT_ENABLE1 1
32#define SNDRV_DEFAULT_PORT1 SNDRV_AUTO_PORT
33#define SNDRV_DEFAULT_IRQ1 SNDRV_AUTO_IRQ
34#define SNDRV_DEFAULT_DMA1 SNDRV_AUTO_DMA
35#define SNDRV_DEFAULT_DMA_SIZE1 SNDRV_AUTO_DMA_SIZE
36#define SNDRV_DEFAULT_PTR1 SNDRV_DEFAULT_STR1
37
38#define SNDRV_DEFAULT_IDX { [0 ... (SNDRV_CARDS-1)] = -1 }
39#define SNDRV_DEFAULT_STR { [0 ... (SNDRV_CARDS-1)] = NULL }
40#define SNDRV_DEFAULT_ENABLE { 1, [1 ... (SNDRV_CARDS-1)] = 0 }
41#define SNDRV_DEFAULT_ENABLE_PNP { [0 ... (SNDRV_CARDS-1)] = 1 }
42#ifdef CONFIG_PNP
43#define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP
44#else
45#define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE
46#endif
47#define SNDRV_DEFAULT_PORT { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_PORT }
48#define SNDRV_DEFAULT_IRQ { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_IRQ }
49#define SNDRV_DEFAULT_DMA { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA }
50#define SNDRV_DEFAULT_DMA_SIZE { [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
51#define SNDRV_DEFAULT_PTR SNDRV_DEFAULT_STR
52
53#ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
54static long snd_legacy_find_free_ioport(long *port_table, long size)
55{
56 while (*port_table != -1) {
57 if (request_region(*port_table, size, "ALSA test")) {
58 release_region(*port_table, size);
59 return *port_table;
60 }
61 port_table++;
62 }
63 return -1;
64}
65#endif
66
67#ifdef SNDRV_LEGACY_FIND_FREE_IRQ
68#include <linux/interrupt.h>
69
70static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
71{
72 return IRQ_HANDLED;
73}
74
75static int snd_legacy_find_free_irq(int *irq_table)
76{
77 while (*irq_table != -1) {
78 if (!request_irq(*irq_table, snd_legacy_empty_irq_handler,
79 IRQF_PROBE_SHARED, "ALSA Test IRQ",
80 (void *) irq_table)) {
81 free_irq(*irq_table, (void *) irq_table);
82 return *irq_table;
83 }
84 irq_table++;
85 }
86 return -1;
87}
88#endif
89
90#ifdef SNDRV_LEGACY_FIND_FREE_DMA
91static int snd_legacy_find_free_dma(int *dma_table)
92{
93 while (*dma_table != -1) {
94 if (!request_dma(*dma_table, "ALSA Test DMA")) {
95 free_dma(*dma_table);
96 return *dma_table;
97 }
98 dma_table++;
99 }
100 return -1;
101}
102#endif
103
104#endif /* __SOUND_INITVAL_H */