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@suse.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 */ 91