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 #include <linux/soc/mediatek/mtk_sip_svc.h>
13 
14 #define MTK_STREAM_NUM (SNDRV_PCM_STREAM_LAST + 1)
15 #define MTK_SIP_AUDIO_CONTROL MTK_SIP_SMC_CMD(0x517)
16 
17 /* SMC CALL Operations */
18 enum mtk_audio_smc_call_op {
19 	MTK_AUDIO_SMC_OP_INIT = 0,
20 	MTK_AUDIO_SMC_OP_DRAM_REQUEST,
21 	MTK_AUDIO_SMC_OP_DRAM_RELEASE,
22 	MTK_AUDIO_SMC_OP_SRAM_REQUEST,
23 	MTK_AUDIO_SMC_OP_SRAM_RELEASE,
24 	MTK_AUDIO_SMC_OP_ADSP_REQUEST,
25 	MTK_AUDIO_SMC_OP_ADSP_RELEASE,
26 	MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS,
27 	MTK_AUDIO_SMC_OP_BTCVSD_WRITE,
28 	MTK_AUDIO_SMC_OP_BTCVSD_UPDATE_CTRL_CLEAR,
29 	MTK_AUDIO_SMC_OP_BTCVSD_UPDATE_CTRL_UNDERFLOW,
30 	MTK_AUDIO_SMC_OP_NUM
31 };
32 
33 struct mtk_base_memif_data {
34 	int id;
35 	const char *name;
36 	int reg_ofs_base;
37 	int reg_ofs_cur;
38 	int reg_ofs_end;
39 	int reg_ofs_base_msb;
40 	int reg_ofs_cur_msb;
41 	int reg_ofs_end_msb;
42 	int fs_reg;
43 	int fs_shift;
44 	int fs_maskbit;
45 	int mono_reg;
46 	int mono_shift;
47 	int mono_invert;
48 	int quad_ch_reg;
49 	int quad_ch_mask;
50 	int quad_ch_shift;
51 	int int_odd_flag_reg;
52 	int int_odd_flag_shift;
53 	int enable_reg;
54 	int enable_shift;
55 	int hd_reg;
56 	int hd_shift;
57 	int hd_align_reg;
58 	int hd_align_mshift;
59 	int msb_reg;
60 	int msb_shift;
61 	int msb_end_reg;
62 	int msb_end_shift;
63 	int agent_disable_reg;
64 	int agent_disable_shift;
65 	int ch_num_reg;
66 	int ch_num_shift;
67 	int ch_num_maskbit;
68 	/* playback memif only */
69 	int pbuf_reg;
70 	int pbuf_mask;
71 	int pbuf_shift;
72 	int minlen_reg;
73 	int minlen_mask;
74 	int minlen_shift;
75 };
76 
77 struct mtk_base_irq_data {
78 	int id;
79 	int irq_cnt_reg;
80 	int irq_cnt_shift;
81 	int irq_cnt_maskbit;
82 	int irq_fs_reg;
83 	int irq_fs_shift;
84 	int irq_fs_maskbit;
85 	int irq_en_reg;
86 	int irq_en_shift;
87 	int irq_clr_reg;
88 	int irq_clr_shift;
89 	int irq_status_shift;
90 };
91 
92 struct device;
93 struct list_head;
94 struct mtk_base_afe_memif;
95 struct mtk_base_afe_irq;
96 struct mtk_base_afe_dai;
97 struct regmap;
98 struct snd_pcm_substream;
99 struct snd_soc_dai;
100 
101 struct mtk_base_afe {
102 	void __iomem *base_addr;
103 	struct device *dev;
104 	struct regmap *regmap;
105 	struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
106 
107 	unsigned int const *reg_back_up_list;
108 	unsigned int *reg_back_up;
109 	unsigned int reg_back_up_list_num;
110 
111 	int (*runtime_suspend)(struct device *dev);
112 	int (*runtime_resume)(struct device *dev);
113 	bool suspended;
114 
115 	struct mtk_base_afe_memif *memif;
116 	int memif_size;
117 	struct mtk_base_afe_irq *irqs;
118 	int irqs_size;
119 	int memif_32bit_supported;
120 
121 	struct list_head sub_dais;
122 	struct snd_soc_dai_driver *dai_drivers;
123 	unsigned int num_dai_drivers;
124 
125 	const struct snd_pcm_hardware *mtk_afe_hardware;
126 	int (*memif_fs)(struct snd_pcm_substream *substream,
127 			unsigned int rate);
128 	int (*irq_fs)(struct snd_pcm_substream *substream,
129 		      unsigned int rate);
130 	int (*get_dai_fs)(struct mtk_base_afe *afe,
131 			  int dai_id, unsigned int rate);
132 	int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream);
133 
134 	int (*request_dram_resource)(struct device *dev);
135 	int (*release_dram_resource)(struct device *dev);
136 
137 	void *platform_priv;
138 };
139 
140 struct mtk_base_afe_memif {
141 	unsigned int phys_buf_addr;
142 	int buffer_size;
143 	struct snd_pcm_substream *substream;
144 	const struct mtk_base_memif_data *data;
145 	int irq_usage;
146 	int const_irq;
147 	unsigned char *dma_area;
148 	dma_addr_t dma_addr;
149 	size_t dma_bytes;
150 };
151 
152 struct mtk_base_afe_irq {
153 	const struct mtk_base_irq_data *irq_data;
154 	int irq_occupyed;
155 };
156 
157 struct mtk_base_afe_dai {
158 	struct snd_soc_dai_driver *dai_drivers;
159 	unsigned int num_dai_drivers;
160 
161 	const struct snd_kcontrol_new *controls;
162 	unsigned int num_controls;
163 	const struct snd_soc_dapm_widget *dapm_widgets;
164 	unsigned int num_dapm_widgets;
165 	const struct snd_soc_dapm_route *dapm_routes;
166 	unsigned int num_dapm_routes;
167 
168 	struct list_head list;
169 };
170 
171 #endif
172 
173