[linux-2.6-block.git] / arch / arm / mach-pxa / include / mach / audio.h

#ifndef __ASM_ARCH_AUDIO_H__
#define __ASM_ARCH_AUDIO_H__

#include <sound/core.h>
#include <sound/pcm.h>

/*
 * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
 *              a -1 value means no gpio will be used for reset

 * reset_gpio should only be specified for pxa27x CPUs where a silicon
 * bug prevents correct operation of the reset line. If not specified,
 * the default behaviour on these CPUs is to consider gpio 113 as the
 * AC97 reset line, which is the default on most boards.
 */
typedef struct {
	int (*startup)(struct snd_pcm_substream *, void *);
	void (*shutdown)(struct snd_pcm_substream *, void *);
	void (*suspend)(void *);
	void (*resume)(void *);
	void *priv;
	int reset_gpio;
} pxa2xx_audio_ops_t;

extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_ARCH_AUDIO_H__
	2	#define __ASM_ARCH_AUDIO_H__
	3
1da177e4 LT	4	#include <sound/core.h>
	5	#include <sound/pcm.h>
	6
eae17754 MB	7	/*
	8	* @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
	9	* a -1 value means no gpio will be used for reset
	10
	11	* reset_gpio should only be specified for pxa27x CPUs where a silicon
	12	* bug prevents correct operation of the reset line. If not specified,
	13	* the default behaviour on these CPUs is to consider gpio 113 as the
	14	* AC97 reset line, which is the default on most boards.
	15	*/
1da177e4	16	typedef struct {
f7cbb7fc TI	17	int (startup)(struct snd_pcm_substream , void *);
f7cbb7fc TI	18	void (shutdown)(struct snd_pcm_substream , void *);
1da177e4 LT	19	void (suspend)(void );
	20	void (resume)(void );
	21	void *priv;
eae17754	22	int reset_gpio;
1da177e4 LT	23	} pxa2xx_audio_ops_t;
1da177e4 LT	24
9f19d638 MB	25	extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
9f19d638 MB	26
1da177e4	27	#endif