[deliverable/linux.git] / sound / pci / ctxfi / ctamixer.h

/**
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * This source file is released under GPL v2 license (no other versions).
 * See the COPYING file included in the main directory of this source
 * distribution for the license terms and conditions.
 *
 * @File	ctamixer.h
 *
 * @Brief
 * This file contains the definition of the Audio Mixer
 * resource management object.
 *
 * @Author	Liu Chun
 * @Date 	May 21 2008
 *
 */

#ifndef CTAMIXER_H
#define CTAMIXER_H

#include "ctresource.h"
#include <linux/spinlock.h>
#include <sound/core.h>

/* Define the descriptor of a summation node resource */
struct sum {
	struct rsc rsc;		/* Basic resource info */
	unsigned char idx[8];
};

/* Define sum resource request description info */
struct sum_desc {
	unsigned int msr;
};

struct sum_mgr {
	struct rsc_mgr mgr;	/* Basic resource manager info */
	struct snd_card *card;	/* pointer to this card */
	spinlock_t mgr_lock;

	 /* request one sum resource */
	int (*get_sum)(struct sum_mgr *mgr,
			const struct sum_desc *desc, struct sum **rsum);
	/* return one sum resource */
	int (*put_sum)(struct sum_mgr *mgr, struct sum *sum);
};

/* Constructor and destructor of daio resource manager */
int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr);
int sum_mgr_destroy(struct sum_mgr *sum_mgr);

/* Define the descriptor of a amixer resource */
struct amixer_rsc_ops;

struct amixer {
	struct rsc rsc;		/* Basic resource info */
	unsigned char idx[8];
	struct rsc *input;	/* pointer to a resource acting as source */
	struct sum *sum;	/* Put amixer output to this summation node */
	const struct amixer_rsc_ops *ops;	/* AMixer specific operations */
};

struct amixer_rsc_ops {
	int (*set_input)(struct amixer *amixer, struct rsc *rsc);
	int (*set_scale)(struct amixer *amixer, unsigned int scale);
	int (*set_invalid_squash)(struct amixer *amixer, unsigned int iv);
	int (*set_sum)(struct amixer *amixer, struct sum *sum);
	int (*commit_write)(struct amixer *amixer);
	/* Only for interleaved recording */
	int (*commit_raw_write)(struct amixer *amixer);
	int (*setup)(struct amixer *amixer, struct rsc *input,
			unsigned int scale, struct sum *sum);
	int (*get_scale)(struct amixer *amixer);
};

/* Define amixer resource request description info */
struct amixer_desc {
	unsigned int msr;
};

struct amixer_mgr {
	struct rsc_mgr mgr;	/* Basic resource manager info */
	struct snd_card *card;	/* pointer to this card */
	spinlock_t mgr_lock;

	 /* request one amixer resource */
	int (*get_amixer)(struct amixer_mgr *mgr,
			  const struct amixer_desc *desc,
			  struct amixer **ramixer);
	/* return one amixer resource */
	int (*put_amixer)(struct amixer_mgr *mgr, struct amixer *amixer);
};

/* Constructor and destructor of amixer resource manager */
int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr);
int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr);

#endif /* CTAMIXER_H */
Commit	Line	Data
8cc72361 WYC	1	/**
	2	* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
	3	*
	4	* This source file is released under GPL v2 license (no other versions).
	5	* See the COPYING file included in the main directory of this source
	6	* distribution for the license terms and conditions.
	7	*
	8	* @File ctamixer.h
	9	*
	10	* @Brief
	11	* This file contains the definition of the Audio Mixer
	12	* resource management object.
	13	*
	14	* @Author Liu Chun
	15	* @Date May 21 2008
	16	*
	17	*/
	18
	19	#ifndef CTAMIXER_H
	20	#define CTAMIXER_H
	21
	22	#include "ctresource.h"
	23	#include <linux/spinlock.h>
3d0fdc86	24	#include <sound/core.h>
8cc72361 WYC	25
	26	/* Define the descriptor of a summation node resource */
	27	struct sum {
	28	struct rsc rsc; /* Basic resource info */
	29	unsigned char idx[8];
	30	};
	31
	32	/* Define sum resource request description info */
	33	struct sum_desc {
	34	unsigned int msr;
	35	};
	36
	37	struct sum_mgr {
	38	struct rsc_mgr mgr; /* Basic resource manager info */
3d0fdc86	39	struct snd_card card; / pointer to this card */
8cc72361 WYC	40	spinlock_t mgr_lock;
	41
	42	/* request one sum resource */
	43	int (get_sum)(struct sum_mgr mgr,
	44	const struct sum_desc desc, struct sum *rsum);
	45	/* return one sum resource */
	46	int (put_sum)(struct sum_mgr mgr, struct sum *sum);
	47	};
	48
	49	/* Constructor and destructor of daio resource manager */
66640898	50	int sum_mgr_create(struct hw hw, struct sum_mgr *rsum_mgr);
8cc72361 WYC	51	int sum_mgr_destroy(struct sum_mgr *sum_mgr);
	52
	53	/* Define the descriptor of a amixer resource */
	54	struct amixer_rsc_ops;
	55
	56	struct amixer {
	57	struct rsc rsc; /* Basic resource info */
	58	unsigned char idx[8];
	59	struct rsc input; / pointer to a resource acting as source */
	60	struct sum sum; / Put amixer output to this summation node */
43f2cdeb	61	const struct amixer_rsc_ops ops; / AMixer specific operations */
8cc72361 WYC	62	};
	63
	64	struct amixer_rsc_ops {
	65	int (set_input)(struct amixer amixer, struct rsc *rsc);
	66	int (set_scale)(struct amixer amixer, unsigned int scale);
	67	int (set_invalid_squash)(struct amixer amixer, unsigned int iv);
	68	int (set_sum)(struct amixer amixer, struct sum *sum);
	69	int (commit_write)(struct amixer amixer);
	70	/* Only for interleaved recording */
	71	int (commit_raw_write)(struct amixer amixer);
	72	int (setup)(struct amixer amixer, struct rsc *input,
	73	unsigned int scale, struct sum *sum);
	74	int (get_scale)(struct amixer amixer);
	75	};
	76
	77	/* Define amixer resource request description info */
	78	struct amixer_desc {
	79	unsigned int msr;
	80	};
	81
	82	struct amixer_mgr {
	83	struct rsc_mgr mgr; /* Basic resource manager info */
3d0fdc86	84	struct snd_card card; / pointer to this card */
8cc72361 WYC	85	spinlock_t mgr_lock;
	86
	87	/* request one amixer resource */
	88	int (get_amixer)(struct amixer_mgr mgr,
	89	const struct amixer_desc *desc,
	90	struct amixer **ramixer);
	91	/* return one amixer resource */
	92	int (put_amixer)(struct amixer_mgr mgr, struct amixer *amixer);
	93	};
	94
	95	/* Constructor and destructor of amixer resource manager */
66640898	96	int amixer_mgr_create(struct hw hw, struct amixer_mgr *ramixer_mgr);
8cc72361 WYC	97	int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr);
	98
	99	#endif /* CTAMIXER_H */