| 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_IRQ |
| 54 | #include <linux/interrupt.h> |
| 55 | |
| 56 | static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id) |
| 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, |
| 65 | IRQF_DISABLED | 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 |
| 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 */ |