Eric Lee / smarc-fsl-linux-kernel

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include/sound/initval.h 2.79 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  #ifndef __SOUND_INITVAL_H
  #define __SOUND_INITVAL_H
  
  /*
   *  Init values for soundcard modules
c1017a4cd   Jaroslav Kysela   [ALSA] Changed Ja... 
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   *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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   *
   *   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
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  #ifdef SNDRV_LEGACY_FIND_FREE_IRQ
  #include <linux/interrupt.h>
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  static irqreturn_t snd_legacy_empty_irq_handler(int irq, void *dev_id)
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  {
  	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,
88e24c3a4   Yong Zhang   sound: irq: Remov... 
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  				 IRQF_PROBE_SHARED, "ALSA Test IRQ",
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  				 (void *) irq_table)) {
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  			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 */