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