1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 //
3 // cs35l45-tables.c -- CS35L45 ALSA SoC audio driver
4 //
5 // Copyright 2019-2022 Cirrus Logic, Inc.
6 //
7 // Author: James Schulman <james.schulman@cirrus.com>
8 
9 #include <linux/module.h>
10 #include <linux/regmap.h>
11 
12 #include "cs35l45.h"
13 
14 static const struct reg_sequence cs35l45_patch[] = {
15 	{ 0x00000040,			0x00000055 },
16 	{ 0x00000040,			0x000000AA },
17 	{ 0x00000044,			0x00000055 },
18 	{ 0x00000044,			0x000000AA },
19 	{ 0x00006480,			0x0830500A },
20 	{ 0x00007C60,			0x1000850B },
21 	{ CS35L45_BOOST_OV_CFG,		0x007000D0 },
22 	{ CS35L45_LDPM_CONFIG,		0x0001B636 },
23 	{ 0x00002C08,			0x00000009 },
24 	{ 0x00006850,			0x0A30FFC4 },
25 	{ 0x00003820,			0x00040100 },
26 	{ 0x00003824,			0x00000000 },
27 	{ 0x00007CFC,			0x62870004 },
28 	{ 0x00007C60,			0x1001850B },
29 	{ 0x00000040,			0x00000000 },
30 	{ 0x00000044,			0x00000000 },
31 	{ CS35L45_BOOST_CCM_CFG,	0xF0000003 },
32 	{ CS35L45_BOOST_DCM_CFG,	0x08710220 },
33 	{ CS35L45_ERROR_RELEASE,	0x00200000 },
34 };
35 
cs35l45_apply_patch(struct cs35l45_private * cs35l45)36 int cs35l45_apply_patch(struct cs35l45_private *cs35l45)
37 {
38 	return regmap_register_patch(cs35l45->regmap, cs35l45_patch,
39 				     ARRAY_SIZE(cs35l45_patch));
40 }
41 EXPORT_SYMBOL_NS_GPL(cs35l45_apply_patch, SND_SOC_CS35L45_TABLES);
42 
43 static const struct reg_default cs35l45_defaults[] = {
44 	{ CS35L45_BLOCK_ENABLES,		0x00003323 },
45 	{ CS35L45_BLOCK_ENABLES2,		0x00000010 },
46 	{ CS35L45_REFCLK_INPUT,			0x00000510 },
47 	{ CS35L45_GLOBAL_SAMPLE_RATE,		0x00000003 },
48 	{ CS35L45_ASP_ENABLES1,			0x00000000 },
49 	{ CS35L45_ASP_CONTROL1,			0x00000028 },
50 	{ CS35L45_ASP_CONTROL2,			0x18180200 },
51 	{ CS35L45_ASP_CONTROL3,			0x00000002 },
52 	{ CS35L45_ASP_FRAME_CONTROL1,		0x03020100 },
53 	{ CS35L45_ASP_FRAME_CONTROL2,		0x00000004 },
54 	{ CS35L45_ASP_FRAME_CONTROL5,		0x00000100 },
55 	{ CS35L45_ASP_DATA_CONTROL1,		0x00000018 },
56 	{ CS35L45_ASP_DATA_CONTROL5,		0x00000018 },
57 	{ CS35L45_DACPCM1_INPUT,		0x00000008 },
58 	{ CS35L45_ASPTX1_INPUT,			0x00000018 },
59 	{ CS35L45_ASPTX2_INPUT,			0x00000019 },
60 	{ CS35L45_ASPTX3_INPUT,			0x00000020 },
61 	{ CS35L45_ASPTX4_INPUT,			0x00000028 },
62 	{ CS35L45_ASPTX5_INPUT,			0x00000048 },
63 	{ CS35L45_AMP_PCM_CONTROL,		0x00100000 },
64 };
65 
cs35l45_readable_reg(struct device * dev,unsigned int reg)66 static bool cs35l45_readable_reg(struct device *dev, unsigned int reg)
67 {
68 	switch (reg) {
69 	case CS35L45_DEVID ... CS35L45_OTPID:
70 	case CS35L45_SFT_RESET:
71 	case CS35L45_GLOBAL_ENABLES:
72 	case CS35L45_BLOCK_ENABLES:
73 	case CS35L45_BLOCK_ENABLES2:
74 	case CS35L45_ERROR_RELEASE:
75 	case CS35L45_REFCLK_INPUT:
76 	case CS35L45_GLOBAL_SAMPLE_RATE:
77 	case CS35L45_ASP_ENABLES1:
78 	case CS35L45_ASP_CONTROL1:
79 	case CS35L45_ASP_CONTROL2:
80 	case CS35L45_ASP_CONTROL3:
81 	case CS35L45_ASP_FRAME_CONTROL1:
82 	case CS35L45_ASP_FRAME_CONTROL2:
83 	case CS35L45_ASP_FRAME_CONTROL5:
84 	case CS35L45_ASP_DATA_CONTROL1:
85 	case CS35L45_ASP_DATA_CONTROL5:
86 	case CS35L45_DACPCM1_INPUT:
87 	case CS35L45_ASPTX1_INPUT:
88 	case CS35L45_ASPTX2_INPUT:
89 	case CS35L45_ASPTX3_INPUT:
90 	case CS35L45_ASPTX4_INPUT:
91 	case CS35L45_ASPTX5_INPUT:
92 	case CS35L45_AMP_PCM_CONTROL:
93 	case CS35L45_AMP_PCM_HPF_TST:
94 	case CS35L45_IRQ1_EINT_4:
95 		return true;
96 	default:
97 		return false;
98 	}
99 }
100 
cs35l45_volatile_reg(struct device * dev,unsigned int reg)101 static bool cs35l45_volatile_reg(struct device *dev, unsigned int reg)
102 {
103 	switch (reg) {
104 	case CS35L45_DEVID ... CS35L45_OTPID:
105 	case CS35L45_SFT_RESET:
106 	case CS35L45_GLOBAL_ENABLES:
107 	case CS35L45_ERROR_RELEASE:
108 	case CS35L45_AMP_PCM_HPF_TST:	/* not cachable */
109 	case CS35L45_IRQ1_EINT_4:
110 		return true;
111 	default:
112 		return false;
113 	}
114 }
115 
116 const struct regmap_config cs35l45_i2c_regmap = {
117 	.reg_bits = 32,
118 	.val_bits = 32,
119 	.reg_stride = 4,
120 	.reg_format_endian = REGMAP_ENDIAN_BIG,
121 	.val_format_endian = REGMAP_ENDIAN_BIG,
122 	.max_register = CS35L45_LASTREG,
123 	.reg_defaults = cs35l45_defaults,
124 	.num_reg_defaults = ARRAY_SIZE(cs35l45_defaults),
125 	.volatile_reg = cs35l45_volatile_reg,
126 	.readable_reg = cs35l45_readable_reg,
127 	.cache_type = REGCACHE_RBTREE,
128 };
129 EXPORT_SYMBOL_NS_GPL(cs35l45_i2c_regmap, SND_SOC_CS35L45_TABLES);
130 
131 const struct regmap_config cs35l45_spi_regmap = {
132 	.reg_bits = 32,
133 	.val_bits = 32,
134 	.pad_bits = 16,
135 	.reg_stride = 4,
136 	.reg_format_endian = REGMAP_ENDIAN_BIG,
137 	.val_format_endian = REGMAP_ENDIAN_BIG,
138 	.max_register = CS35L45_LASTREG,
139 	.reg_defaults = cs35l45_defaults,
140 	.num_reg_defaults = ARRAY_SIZE(cs35l45_defaults),
141 	.volatile_reg = cs35l45_volatile_reg,
142 	.readable_reg = cs35l45_readable_reg,
143 	.cache_type = REGCACHE_RBTREE,
144 };
145 EXPORT_SYMBOL_NS_GPL(cs35l45_spi_regmap, SND_SOC_CS35L45_TABLES);
146 
147 static const struct {
148 	u8 cfg_id;
149 	u32 freq;
150 } cs35l45_pll_refclk_freq[] = {
151 	{ 0x0C,   128000 },
152 	{ 0x0F,   256000 },
153 	{ 0x11,   384000 },
154 	{ 0x12,   512000 },
155 	{ 0x15,   768000 },
156 	{ 0x17,  1024000 },
157 	{ 0x19,  1411200 },
158 	{ 0x1B,  1536000 },
159 	{ 0x1C,  2116800 },
160 	{ 0x1D,  2048000 },
161 	{ 0x1E,  2304000 },
162 	{ 0x1F,  2822400 },
163 	{ 0x21,  3072000 },
164 	{ 0x23,  4233600 },
165 	{ 0x24,  4096000 },
166 	{ 0x25,  4608000 },
167 	{ 0x26,  5644800 },
168 	{ 0x27,  6000000 },
169 	{ 0x28,  6144000 },
170 	{ 0x29,  6350400 },
171 	{ 0x2A,  6912000 },
172 	{ 0x2D,  7526400 },
173 	{ 0x2E,  8467200 },
174 	{ 0x2F,  8192000 },
175 	{ 0x30,  9216000 },
176 	{ 0x31, 11289600 },
177 	{ 0x33, 12288000 },
178 	{ 0x37, 16934400 },
179 	{ 0x38, 18432000 },
180 	{ 0x39, 22579200 },
181 	{ 0x3B, 24576000 },
182 };
183 
cs35l45_get_clk_freq_id(unsigned int freq)184 unsigned int cs35l45_get_clk_freq_id(unsigned int freq)
185 {
186 	int i;
187 
188 	if (freq == 0)
189 		return -EINVAL;
190 
191 	for (i = 0; i < ARRAY_SIZE(cs35l45_pll_refclk_freq); ++i) {
192 		if (cs35l45_pll_refclk_freq[i].freq == freq)
193 			return cs35l45_pll_refclk_freq[i].cfg_id;
194 	}
195 
196 	return -EINVAL;
197 }
198 EXPORT_SYMBOL_NS_GPL(cs35l45_get_clk_freq_id, SND_SOC_CS35L45_TABLES);
199 
200 MODULE_DESCRIPTION("ASoC CS35L45 driver tables");
201 MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
202 MODULE_LICENSE("Dual BSD/GPL");
203