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 
148