90 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			90 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifndef __SOUND_INITVAL_H
 | ||
|  | #define __SOUND_INITVAL_H
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  *  Init values for soundcard modules | ||
|  |  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz> | ||
|  |  * | ||
|  |  *   This program is free software; you can redistribute it and/or modify | ||
|  |  *   it under the terms of the GNU General Public License as published by | ||
|  |  *   the Free Software Foundation; either version 2 of the License, or | ||
|  |  *   (at your option) any later version. | ||
|  |  * | ||
|  |  *   This program is distributed in the hope that it will be useful, | ||
|  |  *   but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  *   GNU General Public License for more details. | ||
|  |  * | ||
|  |  *   You should have received a copy of the GNU General Public License | ||
|  |  *   along with this program; if not, write to the Free Software | ||
|  |  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | ||
|  |  * | ||
|  |  */ | ||
|  | 
 | ||
|  | #define SNDRV_AUTO_PORT		1
 | ||
|  | #define SNDRV_AUTO_IRQ		0xffff
 | ||
|  | #define SNDRV_AUTO_DMA		0xffff
 | ||
|  | #define SNDRV_AUTO_DMA_SIZE	(0x7fffffff)
 | ||
|  | 
 | ||
|  | #define SNDRV_DEFAULT_IDX1	(-1)
 | ||
|  | #define SNDRV_DEFAULT_STR1	NULL
 | ||
|  | #define SNDRV_DEFAULT_ENABLE1	1
 | ||
|  | #define SNDRV_DEFAULT_PORT1	SNDRV_AUTO_PORT
 | ||
|  | #define SNDRV_DEFAULT_IRQ1	SNDRV_AUTO_IRQ
 | ||
|  | #define SNDRV_DEFAULT_DMA1	SNDRV_AUTO_DMA
 | ||
|  | #define SNDRV_DEFAULT_DMA_SIZE1	SNDRV_AUTO_DMA_SIZE
 | ||
|  | #define SNDRV_DEFAULT_PTR1	SNDRV_DEFAULT_STR1
 | ||
|  | 
 | ||
|  | #define SNDRV_DEFAULT_IDX	{ [0 ... (SNDRV_CARDS-1)] = -1 }
 | ||
|  | #define SNDRV_DEFAULT_STR	{ [0 ... (SNDRV_CARDS-1)] = NULL }
 | ||
|  | #define SNDRV_DEFAULT_ENABLE	{ 1, [1 ... (SNDRV_CARDS-1)] = 0 }
 | ||
|  | #define SNDRV_DEFAULT_ENABLE_PNP { [0 ... (SNDRV_CARDS-1)] = 1 }
 | ||
|  | #ifdef CONFIG_PNP
 | ||
|  | #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE_PNP
 | ||
|  | #else
 | ||
|  | #define SNDRV_DEFAULT_ENABLE_ISAPNP SNDRV_DEFAULT_ENABLE
 | ||
|  | #endif
 | ||
|  | #define SNDRV_DEFAULT_PORT	{ [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_PORT }
 | ||
|  | #define SNDRV_DEFAULT_IRQ	{ [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_IRQ }
 | ||
|  | #define SNDRV_DEFAULT_DMA	{ [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA }
 | ||
|  | #define SNDRV_DEFAULT_DMA_SIZE	{ [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
 | ||
|  | #define SNDRV_DEFAULT_PTR	SNDRV_DEFAULT_STR
 | ||
|  | 
 | ||
|  | #ifdef SNDRV_LEGACY_FIND_FREE_IRQ
 | ||
|  | #include <linux/interrupt.h>
 | ||
|  | 
 | ||
|  | static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id, struct pt_regs *regs) | ||
|  | { | ||
|  | 	return IRQ_HANDLED; | ||
|  | } | ||
|  | 
 | ||
|  | static int snd_legacy_find_free_irq(int *irq_table) | ||
|  | { | ||
|  | 	while (*irq_table != -1) { | ||
|  | 		if (!request_irq(*irq_table, snd_legacy_empty_irq_handler, | ||
|  | 				 SA_INTERRUPT, "ALSA Test IRQ", (void *) irq_table)) { | ||
|  | 			free_irq(*irq_table, (void *) irq_table); | ||
|  | 			return *irq_table; | ||
|  | 		} | ||
|  | 		irq_table++; | ||
|  | 	} | ||
|  | 	return -1; | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #ifdef SNDRV_LEGACY_FIND_FREE_DMA
 | ||
|  | static int snd_legacy_find_free_dma(int *dma_table) | ||
|  | { | ||
|  | 	while (*dma_table != -1) { | ||
|  | 		if (!request_dma(*dma_table, "ALSA Test DMA")) { | ||
|  | 			free_dma(*dma_table); | ||
|  | 			return *dma_table; | ||
|  | 		} | ||
|  | 		dma_table++; | ||
|  | 	} | ||
|  | 	return -1; | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #endif /* __SOUND_INITVAL_H */
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