/*
 * mtk-base-afe.h  --  Mediatek base afe structure
 *
 * Copyright (c) 2016 MediaTek Inc.
 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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.
 */

#ifndef _MTK_BASE_AFE_H_
#define _MTK_BASE_AFE_H_

struct mtk_base_memif_data {
	int id;
	const char *name;
	int reg_ofs_base;
	int reg_ofs_cur;
	int fs_reg;
	int fs_shift;
	int fs_maskbit;
	int mono_reg;
	int mono_shift;
	int enable_reg;
	int enable_shift;
	int hd_reg;
	int hd_shift;
	int msb_reg;
	int msb_shift;
	int agent_disable_reg;
	int agent_disable_shift;
};

struct mtk_base_irq_data {
	int id;
	int irq_cnt_reg;
	int irq_cnt_shift;
	int irq_cnt_maskbit;
	int irq_fs_reg;
	int irq_fs_shift;
	int irq_fs_maskbit;
	int irq_en_reg;
	int irq_en_shift;
	int irq_clr_reg;
	int irq_clr_shift;
};

struct device;
struct mtk_base_afe_memif;
struct mtk_base_afe_irq;
struct regmap;
struct snd_pcm_substream;
struct snd_soc_dai;

struct mtk_base_afe {
	void __iomem *base_addr;
	struct device *dev;
	struct regmap *regmap;
	struct mutex irq_alloc_lock; /* dynamic alloc irq lock */

	unsigned int const *reg_back_up_list;
	unsigned int *reg_back_up;
	unsigned int reg_back_up_list_num;

	int (*runtime_suspend)(struct device *dev);
	int (*runtime_resume)(struct device *dev);
	bool suspended;

	struct mtk_base_afe_memif *memif;
	int memif_size;
	struct mtk_base_afe_irq *irqs;
	int irqs_size;

	const struct snd_pcm_hardware *mtk_afe_hardware;
	int (*memif_fs)(struct snd_pcm_substream *substream,
			unsigned int rate);
	int (*irq_fs)(struct snd_pcm_substream *substream,
		      unsigned int rate);

	void *platform_priv;
};

struct mtk_base_afe_memif {
	unsigned int phys_buf_addr;
	int buffer_size;
	struct snd_pcm_substream *substream;
	const struct mtk_base_memif_data *data;
	int irq_usage;
	int const_irq;
};

struct mtk_base_afe_irq {
	const struct mtk_base_irq_data *irq_data;
	int irq_occupyed;
};

#endif

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