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 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 
36 struct 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 
50 struct device;
51 struct list_head;
52 struct mtk_base_afe_memif;
53 struct mtk_base_afe_irq;
54 struct mtk_base_afe_dai;
55 struct regmap;
56 struct snd_pcm_substream;
57 struct snd_soc_dai;
58 
59 struct 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 
91 struct 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 
100 struct mtk_base_afe_irq {
101 	const struct mtk_base_irq_data *irq_data;
102 	int irq_occupyed;
103 };
104 
105 struct 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