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
  14 struct mtk_base_memif_data {
  15         int id;
  16         const char *name;
  17         int reg_ofs_base;
  18         int reg_ofs_cur;
  19         int reg_ofs_end;
  20         int reg_ofs_base_msb;
  21         int reg_ofs_cur_msb;
  22         int reg_ofs_end_msb;
  23         int fs_reg;
  24         int fs_shift;
  25         int fs_maskbit;
  26         int mono_reg;
  27         int mono_shift;
  28         int mono_invert;
  29         int quad_ch_reg;
  30         int quad_ch_mask;
  31         int quad_ch_shift;
  32         int enable_reg;
  33         int enable_shift;
  34         int hd_reg;
  35         int hd_shift;
  36         int hd_align_reg;
  37         int hd_align_mshift;
  38         int msb_reg;
  39         int msb_shift;
  40         int msb2_reg;
  41         int msb2_shift;
  42         int agent_disable_reg;
  43         int agent_disable_shift;
  44         /* playback memif only */
  45         int pbuf_reg;
  46         int pbuf_mask;
  47         int pbuf_shift;
  48         int minlen_reg;
  49         int minlen_mask;
  50         int minlen_shift;
  51 };
  52
  53 struct mtk_base_irq_data {
  54         int id;
  55         int irq_cnt_reg;
  56         int irq_cnt_shift;
  57         int irq_cnt_maskbit;
  58         int irq_fs_reg;
  59         int irq_fs_shift;
  60         int irq_fs_maskbit;
  61         int irq_en_reg;
  62         int irq_en_shift;
  63         int irq_clr_reg;
  64         int irq_clr_shift;
  65 };
  66
  67 struct device;
  68 struct list_head;
  69 struct mtk_base_afe_memif;
  70 struct mtk_base_afe_irq;
  71 struct mtk_base_afe_dai;
  72 struct regmap;
  73 struct snd_pcm_substream;
  74 struct snd_soc_dai;
  75
  76 struct mtk_base_afe {
  77         void __iomem *base_addr;
  78         struct device *dev;
  79         struct regmap *regmap;
  80         struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
  81
  82         unsigned int const *reg_back_up_list;
  83         unsigned int *reg_back_up;
  84         unsigned int reg_back_up_list_num;
  85
  86         int (*runtime_suspend)(struct device *dev);
  87         int (*runtime_resume)(struct device *dev);
  88         bool suspended;
  89
  90         struct mtk_base_afe_memif *memif;
  91         int memif_size;
  92         struct mtk_base_afe_irq *irqs;
  93         int irqs_size;
  94         int memif_32bit_supported;
  95
  96         struct list_head sub_dais;
  97         struct snd_soc_dai_driver *dai_drivers;
  98         unsigned int num_dai_drivers;
  99
 100         const struct snd_pcm_hardware *mtk_afe_hardware;
 101         int (*memif_fs)(struct snd_pcm_substream *substream,
 102                         unsigned int rate);
 103         int (*irq_fs)(struct snd_pcm_substream *substream,
 104                       unsigned int rate);
 105         int (*get_dai_fs)(struct mtk_base_afe *afe,
 106                           int dai_id, unsigned int rate);
 107         int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream);
 108
 109         int (*request_dram_resource)(struct device *dev);
 110         int (*release_dram_resource)(struct device *dev);
 111
 112         void *platform_priv;
 113 };
 114
 115 struct mtk_base_afe_memif {
 116         unsigned int phys_buf_addr;
 117         int buffer_size;
 118         struct snd_pcm_substream *substream;
 119         const struct mtk_base_memif_data *data;
 120         int irq_usage;
 121         int const_irq;
 122         unsigned char *dma_area;
 123         dma_addr_t dma_addr;
 124         size_t dma_bytes;
 125 };
 126
 127 struct mtk_base_afe_irq {
 128         const struct mtk_base_irq_data *irq_data;
 129         int irq_occupyed;
 130 };
 131
 132 struct mtk_base_afe_dai {
 133         struct snd_soc_dai_driver *dai_drivers;
 134         unsigned int num_dai_drivers;
 135
 136         const struct snd_kcontrol_new *controls;
 137         unsigned int num_controls;
 138         const struct snd_soc_dapm_widget *dapm_widgets;
 139         unsigned int num_dapm_widgets;
 140         const struct snd_soc_dapm_route *dapm_routes;
 141         unsigned int num_dapm_routes;
 142
 143         struct list_head list;
 144 };
 145
 146 #endif
 147