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 int_odd_flag_reg; 33 int int_odd_flag_shift; 34 int enable_reg; 35 int enable_shift; 36 int hd_reg; 37 int hd_shift; 38 int hd_align_reg; 39 int hd_align_mshift; 40 int msb_reg; 41 int msb_shift; 42 int msb_end_reg; 43 int msb_end_shift; 44 int agent_disable_reg; 45 int agent_disable_shift; 46 int ch_num_reg; 47 int ch_num_shift; 48 int ch_num_maskbit; 49 /* playback memif only */ 50 int pbuf_reg; 51 int pbuf_mask; 52 int pbuf_shift; 53 int minlen_reg; 54 int minlen_mask; 55 int minlen_shift; 56 }; 57 58 struct mtk_base_irq_data { 59 int id; 60 int irq_cnt_reg; 61 int irq_cnt_shift; 62 int irq_cnt_maskbit; 63 int irq_fs_reg; 64 int irq_fs_shift; 65 int irq_fs_maskbit; 66 int irq_en_reg; 67 int irq_en_shift; 68 int irq_clr_reg; 69 int irq_clr_shift; 70 int irq_status_shift; 71 }; 72 73 struct device; 74 struct list_head; 75 struct mtk_base_afe_memif; 76 struct mtk_base_afe_irq; 77 struct mtk_base_afe_dai; 78 struct regmap; 79 struct snd_pcm_substream; 80 struct snd_soc_dai; 81 82 struct mtk_base_afe { 83 void __iomem *base_addr; 84 struct device *dev; 85 struct regmap *regmap; 86 struct mutex irq_alloc_lock; /* dynamic alloc irq lock */ 87 88 unsigned int const *reg_back_up_list; 89 unsigned int *reg_back_up; 90 unsigned int reg_back_up_list_num; 91 92 int (*runtime_suspend)(struct device *dev); 93 int (*runtime_resume)(struct device *dev); 94 bool suspended; 95 96 struct mtk_base_afe_memif *memif; 97 int memif_size; 98 struct mtk_base_afe_irq *irqs; 99 int irqs_size; 100 int memif_32bit_supported; 101 102 struct list_head sub_dais; 103 struct snd_soc_dai_driver *dai_drivers; 104 unsigned int num_dai_drivers; 105 106 const struct snd_pcm_hardware *mtk_afe_hardware; 107 int (*memif_fs)(struct snd_pcm_substream *substream, 108 unsigned int rate); 109 int (*irq_fs)(struct snd_pcm_substream *substream, 110 unsigned int rate); 111 int (*get_dai_fs)(struct mtk_base_afe *afe, 112 int dai_id, unsigned int rate); 113 int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream); 114 115 int (*request_dram_resource)(struct device *dev); 116 int (*release_dram_resource)(struct device *dev); 117 118 void *platform_priv; 119 }; 120 121 struct mtk_base_afe_memif { 122 unsigned int phys_buf_addr; 123 int buffer_size; 124 struct snd_pcm_substream *substream; 125 const struct mtk_base_memif_data *data; 126 int irq_usage; 127 int const_irq; 128 unsigned char *dma_area; 129 dma_addr_t dma_addr; 130 size_t dma_bytes; 131 }; 132 133 struct mtk_base_afe_irq { 134 const struct mtk_base_irq_data *irq_data; 135 int irq_occupyed; 136 }; 137 138 struct mtk_base_afe_dai { 139 struct snd_soc_dai_driver *dai_drivers; 140 unsigned int num_dai_drivers; 141 142 const struct snd_kcontrol_new *controls; 143 unsigned int num_controls; 144 const struct snd_soc_dapm_widget *dapm_widgets; 145 unsigned int num_dapm_widgets; 146 const struct snd_soc_dapm_route *dapm_routes; 147 unsigned int num_dapm_routes; 148 149 struct list_head list; 150 }; 151 152 #endif 153 154