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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * mtk-base-afe.h  --  Mediatek base afe structure
   4 *
   5 * Copyright (c) 2016 MediaTek Inc.
   6 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
   7 */
   8
   9#ifndef _MTK_BASE_AFE_H_
  10#define _MTK_BASE_AFE_H_
  11
  12#define MTK_STREAM_NUM (SNDRV_PCM_STREAM_LAST + 1)
  13
  14struct mtk_base_memif_data {
  15        int id;
  16        const char *name;
  17        int reg_ofs_base;
  18        int reg_ofs_cur;
  19        int fs_reg;
  20        int fs_shift;
  21        int fs_maskbit;
  22        int mono_reg;
  23        int mono_shift;
  24        int enable_reg;
  25        int enable_shift;
  26        int hd_reg;
  27        int hd_align_reg;
  28        int hd_shift;
  29        int hd_align_mshift;
  30        int msb_reg;
  31        int msb_shift;
  32        int agent_disable_reg;
  33        int agent_disable_shift;
  34};
  35
  36struct mtk_base_irq_data {
  37        int id;
  38        int irq_cnt_reg;
  39        int irq_cnt_shift;
  40        int irq_cnt_maskbit;
  41        int irq_fs_reg;
  42        int irq_fs_shift;
  43        int irq_fs_maskbit;
  44        int irq_en_reg;
  45        int irq_en_shift;
  46        int irq_clr_reg;
  47        int irq_clr_shift;
  48};
  49
  50struct device;
  51struct list_head;
  52struct mtk_base_afe_memif;
  53struct mtk_base_afe_irq;
  54struct mtk_base_afe_dai;
  55struct regmap;
  56struct snd_pcm_substream;
  57struct snd_soc_dai;
  58
  59struct mtk_base_afe {
  60        void __iomem *base_addr;
  61        struct device *dev;
  62        struct regmap *regmap;
  63        struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
  64
  65        unsigned int const *reg_back_up_list;
  66        unsigned int *reg_back_up;
  67        unsigned int reg_back_up_list_num;
  68
  69        int (*runtime_suspend)(struct device *dev);
  70        int (*runtime_resume)(struct device *dev);
  71        bool suspended;
  72
  73        struct mtk_base_afe_memif *memif;
  74        int memif_size;
  75        struct mtk_base_afe_irq *irqs;
  76        int irqs_size;
  77
  78        struct list_head sub_dais;
  79        struct snd_soc_dai_driver *dai_drivers;
  80        unsigned int num_dai_drivers;
  81
  82        const struct snd_pcm_hardware *mtk_afe_hardware;
  83        int (*memif_fs)(struct snd_pcm_substream *substream,
  84                        unsigned int rate);
  85        int (*irq_fs)(struct snd_pcm_substream *substream,
  86                      unsigned int rate);
  87
  88        void *platform_priv;
  89};
  90
  91struct mtk_base_afe_memif {
  92        unsigned int phys_buf_addr;
  93        int buffer_size;
  94        struct snd_pcm_substream *substream;
  95        const struct mtk_base_memif_data *data;
  96        int irq_usage;
  97        int const_irq;
  98};
  99
 100struct mtk_base_afe_irq {
 101        const struct mtk_base_irq_data *irq_data;
 102        int irq_occupyed;
 103};
 104
 105struct mtk_base_afe_dai {
 106        struct snd_soc_dai_driver *dai_drivers;
 107        unsigned int num_dai_drivers;
 108
 109        const struct snd_kcontrol_new *controls;
 110        unsigned int num_controls;
 111        const struct snd_soc_dapm_widget *dapm_widgets;
 112        unsigned int num_dapm_widgets;
 113        const struct snd_soc_dapm_route *dapm_routes;
 114        unsigned int num_dapm_routes;
 115
 116        struct list_head list;
 117};
 118
 119#endif
 120
 121