sound/soc/mediatek/common/mtk-base-afe.h

   1 /*
   2  * mtk-base-afe.h  --  Mediatek base afe structure
   3  *
   4  * Copyright (c) 2016 MediaTek Inc.
   5  * Author: Garlic Tseng <garlic.tseng@mediatek.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 and
   9  * only version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #ifndef _MTK_BASE_AFE_H_
  18 #define _MTK_BASE_AFE_H_
  19
  20 struct mtk_base_memif_data {
  21         int id;
  22         const char *name;
  23         int reg_ofs_base;
  24         int reg_ofs_cur;
  25         int fs_reg;
  26         int fs_shift;
  27         int fs_maskbit;
  28         int mono_reg;
  29         int mono_shift;
  30         int enable_reg;
  31         int enable_shift;
  32         int hd_reg;
  33         int hd_shift;
  34         int msb_reg;
  35         int msb_shift;
  36         int agent_disable_reg;
  37         int agent_disable_shift;
  38 };
  39
  40 struct mtk_base_irq_data {
  41         int id;
  42         int irq_cnt_reg;
  43         int irq_cnt_shift;
  44         int irq_cnt_maskbit;
  45         int irq_fs_reg;
  46         int irq_fs_shift;
  47         int irq_fs_maskbit;
  48         int irq_en_reg;
  49         int irq_en_shift;
  50         int irq_clr_reg;
  51         int irq_clr_shift;
  52 };
  53
  54 struct device;
  55 struct mtk_base_afe_memif;
  56 struct mtk_base_afe_irq;
  57 struct regmap;
  58 struct snd_pcm_substream;
  59 struct snd_soc_dai;
  60
  61 struct mtk_base_afe {
  62         void __iomem *base_addr;
  63         struct device *dev;
  64         struct regmap *regmap;
  65         struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
  66
  67         unsigned int const *reg_back_up_list;
  68         unsigned int *reg_back_up;
  69         unsigned int reg_back_up_list_num;
  70
  71         int (*runtime_suspend)(struct device *dev);
  72         int (*runtime_resume)(struct device *dev);
  73         bool suspended;
  74
  75         struct mtk_base_afe_memif *memif;
  76         int memif_size;
  77         struct mtk_base_afe_irq *irqs;
  78         int irqs_size;
  79
  80         const struct snd_pcm_hardware *mtk_afe_hardware;
  81         int (*memif_fs)(struct snd_pcm_substream *substream,
  82                         unsigned int rate);
  83         int (*irq_fs)(struct snd_pcm_substream *substream,
  84                       unsigned int rate);
  85
  86         void *platform_priv;
  87 };
  88
  89 struct mtk_base_afe_memif {
  90         unsigned int phys_buf_addr;
  91         int buffer_size;
  92         struct snd_pcm_substream *substream;
  93         const struct mtk_base_memif_data *data;
  94         int irq_usage;
  95         int const_irq;
  96 };
  97
  98 struct mtk_base_afe_irq {
  99         const struct mtk_base_irq_data *irq_data;
 100         int irq_occupyed;
 101 };
 102
 103 #endif
 104