tegrakernel/kernel/kernel-4.9/sound/soc/mediatek/common/mtk-base-afe.h

105 lines
2.3 KiB
C

/*
* 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