xref: /openbmc/linux/sound/soc/tegra/tegra210_mbdrc.h (revision c0d3b831)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * tegra210_mbdrc.h - Definitions for Tegra210 MBDRC driver
4  *
5  * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
6  *
7  */
8 
9 #ifndef __TEGRA210_MBDRC_H__
10 #define __TEGRA210_MBDRC_H__
11 
12 #include <linux/platform_device.h>
13 #include <sound/soc.h>
14 
15 /* Register offsets from TEGRA210_MBDRC*_BASE */
16 #define TEGRA210_MBDRC_SOFT_RESET			0x4
17 #define TEGRA210_MBDRC_CG				0x8
18 #define TEGRA210_MBDRC_STATUS				0xc
19 #define TEGRA210_MBDRC_CFG				0x28
20 #define TEGRA210_MBDRC_CHANNEL_MASK			0x2c
21 #define TEGRA210_MBDRC_MASTER_VOL			0x30
22 #define TEGRA210_MBDRC_FAST_FACTOR			0x34
23 
24 #define TEGRA210_MBDRC_FILTER_COUNT			3
25 #define TEGRA210_MBDRC_FILTER_PARAM_STRIDE		0x4
26 
27 #define TEGRA210_MBDRC_IIR_CFG				0x38
28 #define TEGRA210_MBDRC_IN_ATTACK			0x44
29 #define TEGRA210_MBDRC_IN_RELEASE			0x50
30 #define TEGRA210_MBDRC_FAST_ATTACK			0x5c
31 #define TEGRA210_MBDRC_IN_THRESHOLD			0x68
32 #define TEGRA210_MBDRC_OUT_THRESHOLD			0x74
33 #define TEGRA210_MBDRC_RATIO_1ST			0x80
34 #define TEGRA210_MBDRC_RATIO_2ND			0x8c
35 #define TEGRA210_MBDRC_RATIO_3RD			0x98
36 #define TEGRA210_MBDRC_RATIO_4TH			0xa4
37 #define TEGRA210_MBDRC_RATIO_5TH			0xb0
38 #define TEGRA210_MBDRC_MAKEUP_GAIN			0xbc
39 #define TEGRA210_MBDRC_INIT_GAIN			0xc8
40 #define TEGRA210_MBDRC_GAIN_ATTACK			0xd4
41 #define TEGRA210_MBDRC_GAIN_RELEASE			0xe0
42 #define TEGRA210_MBDRC_FAST_RELEASE			0xec
43 #define TEGRA210_MBDRC_CFG_RAM_CTRL			0xf8
44 #define TEGRA210_MBDRC_CFG_RAM_DATA			0x104
45 
46 #define TEGRA210_MBDRC_MAX_REG				(TEGRA210_MBDRC_CFG_RAM_DATA +		\
47 							 (TEGRA210_MBDRC_FILTER_PARAM_STRIDE *	\
48 							  (TEGRA210_MBDRC_FILTER_COUNT - 1)))
49 
50 /* Fields for TEGRA210_MBDRC_CFG */
51 #define TEGRA210_MBDRC_CFG_RMS_OFFSET_SHIFT		16
52 #define TEGRA210_MBDRC_CFG_RMS_OFFSET_MASK		(0x1ff << TEGRA210_MBDRC_CFG_RMS_OFFSET_SHIFT)
53 
54 #define TEGRA210_MBDRC_CFG_PEAK_RMS_SHIFT		14
55 #define TEGRA210_MBDRC_CFG_PEAK_RMS_MASK		(0x1 << TEGRA210_MBDRC_CFG_PEAK_RMS_SHIFT)
56 #define TEGRA210_MBDRC_CFG_PEAK				(1 << TEGRA210_MBDRC_CFG_PEAK_RMS_SHIFT)
57 
58 #define TEGRA210_MBDRC_CFG_FILTER_STRUCTURE_SHIFT	13
59 #define TEGRA210_MBDRC_CFG_FILTER_STRUCTURE_MASK	(0x1 << TEGRA210_MBDRC_CFG_FILTER_STRUCTURE_SHIFT)
60 #define TEGRA210_MBDRC_CFG_FILTER_STRUCTURE_FLEX	(1 << TEGRA210_MBDRC_CFG_FILTER_STRUCTURE_SHIFT)
61 
62 #define TEGRA210_MBDRC_CFG_SHIFT_CTRL_SHIFT		8
63 #define TEGRA210_MBDRC_CFG_SHIFT_CTRL_MASK		(0x1f << TEGRA210_MBDRC_CFG_SHIFT_CTRL_SHIFT)
64 
65 #define TEGRA210_MBDRC_CFG_FRAME_SIZE_SHIFT		4
66 #define TEGRA210_MBDRC_CFG_FRAME_SIZE_MASK		(0xf << TEGRA210_MBDRC_CFG_FRAME_SIZE_SHIFT)
67 
68 #define TEGRA210_MBDRC_CFG_MBDRC_MODE_SHIFT		0
69 #define TEGRA210_MBDRC_CFG_MBDRC_MODE_MASK		(0x3 << TEGRA210_MBDRC_CFG_MBDRC_MODE_SHIFT)
70 #define TEGRA210_MBDRC_CFG_MBDRC_MODE_BYPASS		(0 << TEGRA210_MBDRC_CFG_MBDRC_MODE_SHIFT)
71 
72 /* Fields for TEGRA210_MBDRC_CHANNEL_MASK */
73 #define TEGRA210_MBDRC_CHANNEL_MASK_SHIFT		0
74 #define TEGRA210_MBDRC_CHANNEL_MASK_MASK		(0xff << TEGRA210_MBDRC_CHANNEL_MASK_SHIFT)
75 
76 /* Fields for TEGRA210_MBDRC_MASTER_VOL */
77 #define TEGRA210_MBDRC_MASTER_VOL_SHIFT			23
78 #define TEGRA210_MBDRC_MASTER_VOL_MIN			-256
79 #define TEGRA210_MBDRC_MASTER_VOL_MAX			256
80 
81 /* Fields for TEGRA210_MBDRC_FAST_FACTOR */
82 #define TEGRA210_MBDRC_FAST_FACTOR_RELEASE_SHIFT	16
83 #define TEGRA210_MBDRC_FAST_FACTOR_RELEASE_MASK		(0xffff << TEGRA210_MBDRC_FAST_FACTOR_RELEASE_SHIFT)
84 
85 #define TEGRA210_MBDRC_FAST_FACTOR_ATTACK_SHIFT		0
86 #define TEGRA210_MBDRC_FAST_FACTOR_ATTACK_MASK		(0xffff << TEGRA210_MBDRC_FAST_FACTOR_ATTACK_SHIFT)
87 
88 /* Fields for TEGRA210_MBDRC_IIR_CFG */
89 #define TEGRA210_MBDRC_IIR_CFG_NUM_STAGES_SHIFT		0
90 #define TEGRA210_MBDRC_IIR_CFG_NUM_STAGES_MASK		(0xf << TEGRA210_MBDRC_IIR_CFG_NUM_STAGES_SHIFT)
91 
92 /* Fields for TEGRA210_MBDRC_IN_ATTACK */
93 #define TEGRA210_MBDRC_IN_ATTACK_TC_SHIFT		0
94 #define TEGRA210_MBDRC_IN_ATTACK_TC_MASK		(0xffffffff << TEGRA210_MBDRC_IN_ATTACK_TC_SHIFT)
95 
96 /* Fields for TEGRA210_MBDRC_IN_RELEASE */
97 #define TEGRA210_MBDRC_IN_RELEASE_TC_SHIFT		0
98 #define TEGRA210_MBDRC_IN_RELEASE_TC_MASK		(0xffffffff << TEGRA210_MBDRC_IN_RELEASE_TC_SHIFT)
99 
100 /* Fields for TEGRA210_MBDRC_FAST_ATTACK */
101 #define TEGRA210_MBDRC_FAST_ATTACK_TC_SHIFT		0
102 #define TEGRA210_MBDRC_FAST_ATTACK_TC_MASK		(0xffffffff << TEGRA210_MBDRC_FAST_ATTACK_TC_SHIFT)
103 
104 /* Fields for TEGRA210_MBDRC_IN_THRESHOLD / TEGRA210_MBDRC_OUT_THRESHOLD */
105 #define TEGRA210_MBDRC_THRESH_4TH_SHIFT			24
106 #define TEGRA210_MBDRC_THRESH_4TH_MASK			(0xff << TEGRA210_MBDRC_THRESH_4TH_SHIFT)
107 
108 #define TEGRA210_MBDRC_THRESH_3RD_SHIFT			16
109 #define TEGRA210_MBDRC_THRESH_3RD_MASK			(0xff << TEGRA210_MBDRC_THRESH_3RD_SHIFT)
110 
111 #define TEGRA210_MBDRC_THRESH_2ND_SHIFT			8
112 #define TEGRA210_MBDRC_THRESH_2ND_MASK			(0xff << TEGRA210_MBDRC_THRESH_2ND_SHIFT)
113 
114 #define TEGRA210_MBDRC_THRESH_1ST_SHIFT			0
115 #define TEGRA210_MBDRC_THRESH_1ST_MASK			(0xff << TEGRA210_MBDRC_THRESH_1ST_SHIFT)
116 
117 /* Fields for TEGRA210_MBDRC_RATIO_1ST */
118 #define TEGRA210_MBDRC_RATIO_1ST_SHIFT			0
119 #define TEGRA210_MBDRC_RATIO_1ST_MASK			(0xffff << TEGRA210_MBDRC_RATIO_1ST_SHIFT)
120 
121 /* Fields for TEGRA210_MBDRC_RATIO_2ND */
122 #define TEGRA210_MBDRC_RATIO_2ND_SHIFT			0
123 #define TEGRA210_MBDRC_RATIO_2ND_MASK			(0xffff << TEGRA210_MBDRC_RATIO_2ND_SHIFT)
124 
125 /* Fields for TEGRA210_MBDRC_RATIO_3RD */
126 #define TEGRA210_MBDRC_RATIO_3RD_SHIFT			0
127 #define TEGRA210_MBDRC_RATIO_3RD_MASK			(0xffff << TEGRA210_MBDRC_RATIO_3RD_SHIFT)
128 
129 /* Fields for TEGRA210_MBDRC_RATIO_4TH */
130 #define TEGRA210_MBDRC_RATIO_4TH_SHIFT			0
131 #define TEGRA210_MBDRC_RATIO_4TH_MASK			(0xffff << TEGRA210_MBDRC_RATIO_4TH_SHIFT)
132 
133 /* Fields for TEGRA210_MBDRC_RATIO_5TH */
134 #define TEGRA210_MBDRC_RATIO_5TH_SHIFT			0
135 #define TEGRA210_MBDRC_RATIO_5TH_MASK			(0xffff << TEGRA210_MBDRC_RATIO_5TH_SHIFT)
136 
137 /* Fields for TEGRA210_MBDRC_MAKEUP_GAIN */
138 #define TEGRA210_MBDRC_MAKEUP_GAIN_SHIFT		0
139 #define TEGRA210_MBDRC_MAKEUP_GAIN_MASK			(0x3f << TEGRA210_MBDRC_MAKEUP_GAIN_SHIFT)
140 
141 /* Fields for TEGRA210_MBDRC_INIT_GAIN */
142 #define TEGRA210_MBDRC_INIT_GAIN_SHIFT			0
143 #define TEGRA210_MBDRC_INIT_GAIN_MASK			(0xffffffff << TEGRA210_MBDRC_INIT_GAIN_SHIFT)
144 
145 /* Fields for TEGRA210_MBDRC_GAIN_ATTACK */
146 #define TEGRA210_MBDRC_GAIN_ATTACK_SHIFT		0
147 #define TEGRA210_MBDRC_GAIN_ATTACK_MASK			(0xffffffff << TEGRA210_MBDRC_GAIN_ATTACK_SHIFT)
148 
149 /* Fields for TEGRA210_MBDRC_GAIN_RELEASE */
150 #define TEGRA210_MBDRC_GAIN_RELEASE_SHIFT		0
151 #define TEGRA210_MBDRC_GAIN_RELEASE_MASK		(0xffffffff << TEGRA210_MBDRC_GAIN_RELEASE_SHIFT)
152 
153 /* Fields for TEGRA210_MBDRC_FAST_RELEASE */
154 #define TEGRA210_MBDRC_FAST_RELEASE_SHIFT		0
155 #define TEGRA210_MBDRC_FAST_RELEASE_MASK		(0xffffffff << TEGRA210_MBDRC_FAST_RELEASE_SHIFT)
156 
157 #define TEGRA210_MBDRC_RAM_CTRL_RW_READ			0
158 #define TEGRA210_MBDRC_RAM_CTRL_RW_WRITE		(1 << 14)
159 #define TEGRA210_MBDRC_RAM_CTRL_ADDR_INIT_EN		(1 << 13)
160 #define TEGRA210_MBDRC_RAM_CTRL_SEQ_ACCESS_EN		(1 << 12)
161 #define TEGRA210_MBDRC_RAM_CTRL_RAM_ADDR_MASK		0x1ff
162 
163 /*
164  * Order and size of each structure element for following structures should not
165  * be altered size order of elements and their size are based on PEQ co-eff ram
166  * and shift ram layout.
167  */
168 #define TEGRA210_MBDRC_THRESHOLD_NUM				4
169 #define TEGRA210_MBDRC_RATIO_NUM				(TEGRA210_MBDRC_THRESHOLD_NUM + 1)
170 #define TEGRA210_MBDRC_MAX_BIQUAD_STAGES			8
171 
172 /* Order of these enums are same as the order of band specific hw registers */
173 enum {
174 	MBDRC_LOW_BAND,
175 	MBDRC_MID_BAND,
176 	MBDRC_HIGH_BAND,
177 	MBDRC_NUM_BAND,
178 };
179 
180 struct tegra210_mbdrc_band_params {
181 	u32 band;
182 	u32 iir_stages;
183 	u32 in_attack_tc;
184 	u32 in_release_tc;
185 	u32 fast_attack_tc;
186 	u32 in_threshold[TEGRA210_MBDRC_THRESHOLD_NUM];
187 	u32 out_threshold[TEGRA210_MBDRC_THRESHOLD_NUM];
188 	u32 ratio[TEGRA210_MBDRC_RATIO_NUM];
189 	u32 makeup_gain;
190 	u32 gain_init;
191 	u32 gain_attack_tc;
192 	u32 gain_release_tc;
193 	u32 fast_release_tc;
194 	/* For biquad_params[][5] order of coeff is b0, b1, a0, a1, a2 */
195 	u32 biquad_params[TEGRA210_MBDRC_MAX_BIQUAD_STAGES * 5];
196 };
197 
198 struct tegra210_mbdrc_config {
199 	unsigned int mode;
200 	unsigned int rms_off;
201 	unsigned int peak_rms_mode;
202 	unsigned int filter_structure;
203 	unsigned int shift_ctrl;
204 	unsigned int frame_size;
205 	unsigned int channel_mask;
206 	unsigned int fa_factor;	/* Fast attack factor */
207 	unsigned int fr_factor;	/* Fast release factor */
208 	struct tegra210_mbdrc_band_params band_params[MBDRC_NUM_BAND];
209 };
210 
211 int tegra210_mbdrc_regmap_init(struct platform_device *pdev);
212 int tegra210_mbdrc_component_init(struct snd_soc_component *cmpnt);
213 int tegra210_mbdrc_hw_params(struct snd_soc_component *cmpnt);
214 
215 #endif
216