path: root/sound/pci/ctxfi/ctsrc.c

/**
 * 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	ctsrc.c
 *
 * @Brief
 * This file contains the implementation of the Sample Rate Convertor
 * resource management object.
 *
 * @Author	Liu Chun
 * @Date 	May 13 2008
 *
 */

#include "ctsrc.h"
#include "cthardware.h"
#include <linux/slab.h>

#define SRC_RESOURCE_NUM	256
#define SRCIMP_RESOURCE_NUM	256

static unsigned int conj_mask;

static int src_default_config_memrd(struct src *src);
static int src_default_config_memwr(struct src *src);
static int src_default_config_arcrw(struct src *src);

static int (*src_default_config[3])(struct src *) = {
	[MEMRD] = src_default_config_memrd,
	[MEMWR] = src_default_config_memwr,
	[ARCRW] = src_default_config_arcrw
};

static int src_set_state(struct src *src, unsigned int state)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_state(src->rsc.ctrl_blk, state);

	return 0;
}

static int src_set_bm(struct src *src, unsigned int bm)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_bm(src->rsc.ctrl_blk, bm);

	return 0;
}

static int src_set_sf(struct src *src, unsigned int sf)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_sf(src->rsc.ctrl_blk, sf);

	return 0;
}

static int src_set_pm(struct src *src, unsigned int pm)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_pm(src->rsc.ctrl_blk, pm);

	return 0;
}

static int src_set_rom(struct src *src, unsigned int rom)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_rom(src->rsc.ctrl_blk, rom);

	return 0;
}

static int src_set_vo(struct src *src, unsigned int vo)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_vo(src->rsc.ctrl_blk, vo);

	return 0;
}

static int src_set_st(struct src *src, unsigned int st)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_st(src->rsc.ctrl_blk, st);

	return 0;
}

static int src_set_bp(struct src *src, unsigned int bp)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_bp(src->rsc.ctrl_blk, bp);

	return 0;
}

static int src_set_cisz(struct src *src, unsigned int cisz)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_cisz(src->rsc.ctrl_blk, cisz);

	return 0;
}

static int src_set_ca(struct src *src, unsigned int ca)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_ca(src->rsc.ctrl_blk, ca);

	return 0;
}

static int src_set_sa(struct src *src, unsigned int sa)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_sa(src->rsc.ctrl_blk, sa);

	return 0;
}

static int src_set_la(struct src *src, unsigned int la)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_la(src->rsc.ctrl_blk, la);

	return 0;
}

static int src_set_pitch(struct src *src, unsigned int pitch)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_pitch(src->rsc.ctrl_blk, pitch);

	return 0;
}

static int src_set_clear_zbufs(struct src *src)
{
	struct hw *hw;

	hw = src->rsc.hw;
	hw->src_set_clear_zbufs(src->rsc.ctrl_blk, 1);

	return 0;
}

static int src_commit_write(struct src *src)
{
	struct hw *hw;
	int i;
	unsigned int dirty = 0;

	hw = src->rsc.hw;
	src->rsc.ops->master(&src->rsc);
	if (