1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* 3 * cs35l45.h - CS35L45 ALSA SoC audio driver 4 * 5 * Copyright 2019-2022 Cirrus Logic, Inc. 6 * 7 * Author: James Schulman <james.schulman@cirrus.com> 8 * 9 */ 10 11 #ifndef CS35L45_H 12 #define CS35L45_H 13 14 #include <linux/pm_runtime.h> 15 #include <linux/regmap.h> 16 #include <linux/regulator/consumer.h> 17 18 #define CS35L45_DEVID 0x00000000 19 #define CS35L45_REVID 0x00000004 20 #define CS35L45_RELID 0x0000000C 21 #define CS35L45_OTPID 0x00000010 22 #define CS35L45_SFT_RESET 0x00000020 23 #define CS35L45_GLOBAL_ENABLES 0x00002014 24 #define CS35L45_BLOCK_ENABLES 0x00002018 25 #define CS35L45_BLOCK_ENABLES2 0x0000201C 26 #define CS35L45_ERROR_RELEASE 0x00002034 27 #define CS35L45_REFCLK_INPUT 0x00002C04 28 #define CS35L45_GLOBAL_SAMPLE_RATE 0x00002C0C 29 #define CS35L45_BOOST_CCM_CFG 0x00003808 30 #define CS35L45_BOOST_DCM_CFG 0x0000380C 31 #define CS35L45_BOOST_OV_CFG 0x0000382C 32 #define CS35L45_ASP_ENABLES1 0x00004800 33 #define CS35L45_ASP_CONTROL1 0x00004804 34 #define CS35L45_ASP_CONTROL2 0x00004808 35 #define CS35L45_ASP_CONTROL3 0x0000480C 36 #define CS35L45_ASP_FRAME_CONTROL1 0x00004810 37 #define CS35L45_ASP_FRAME_CONTROL2 0x00004814 38 #define CS35L45_ASP_FRAME_CONTROL5 0x00004820 39 #define CS35L45_ASP_DATA_CONTROL1 0x00004830 40 #define CS35L45_ASP_DATA_CONTROL5 0x00004840 41 #define CS35L45_DACPCM1_INPUT 0x00004C00 42 #define CS35L45_ASPTX1_INPUT 0x00004C20 43 #define CS35L45_ASPTX2_INPUT 0x00004C24 44 #define CS35L45_ASPTX3_INPUT 0x00004C28 45 #define CS35L45_ASPTX4_INPUT 0x00004C2C 46 #define CS35L45_ASPTX5_INPUT 0x00004C30 47 #define CS35L45_LDPM_CONFIG 0x00006404 48 #define CS35L45_AMP_PCM_CONTROL 0x00007000 49 #define CS35L45_AMP_PCM_HPF_TST 0x00007004 50 #define CS35L45_IRQ1_EINT_4 0x0000E01C 51 #define CS35L45_LASTREG 0x0000E01C 52 53 /* SFT_RESET */ 54 #define CS35L45_SOFT_RESET_TRIGGER 0x5A000000 55 56 /* GLOBAL_ENABLES */ 57 #define CS35L45_GLOBAL_EN_SHIFT 0 58 #define CS35L45_GLOBAL_EN_MASK BIT(0) 59 60 /* BLOCK_ENABLES */ 61 #define CS35L45_IMON_EN_SHIFT 13 62 #define CS35L45_VMON_EN_SHIFT 12 63 #define CS35L45_VDD_BSTMON_EN_SHIFT 9 64 #define CS35L45_VDD_BATTMON_EN_SHIFT 8 65 #define CS35L45_BST_EN_SHIFT 4 66 #define CS35L45_BST_EN_MASK GENMASK(5, 4) 67 68 #define CS35L45_BST_DISABLE_FET_ON 0x01 69 70 /* BLOCK_ENABLES2 */ 71 #define CS35L45_ASP_EN_SHIFT 27 72 73 /* ERROR_RELEASE */ 74 #define CS35L45_GLOBAL_ERR_RLS_MASK BIT(11) 75 76 /* REFCLK_INPUT */ 77 #define CS35L45_PLL_FORCE_EN_SHIFT 16 78 #define CS35L45_PLL_FORCE_EN_MASK BIT(16) 79 #define CS35L45_PLL_OPEN_LOOP_SHIFT 11 80 #define CS35L45_PLL_OPEN_LOOP_MASK BIT(11) 81 #define CS35L45_PLL_REFCLK_FREQ_SHIFT 5 82 #define CS35L45_PLL_REFCLK_FREQ_MASK GENMASK(10, 5) 83 #define CS35L45_PLL_REFCLK_EN_SHIFT 4 84 #define CS35L45_PLL_REFCLK_EN_MASK BIT(4) 85 #define CS35L45_PLL_REFCLK_SEL_SHIFT 0 86 #define CS35L45_PLL_REFCLK_SEL_MASK GENMASK(2, 0) 87 88 #define CS35L45_PLL_REFCLK_SEL_BCLK 0x0 89 90 /* GLOBAL_SAMPLE_RATE */ 91 #define CS35L45_GLOBAL_FS_SHIFT 0 92 #define CS35L45_GLOBAL_FS_MASK GENMASK(4, 0) 93 94 #define CS35L45_48P0_KHZ 0x03 95 #define CS35L45_96P0_KHZ 0x04 96 #define CS35L45_44P100_KHZ 0x0B 97 #define CS35L45_88P200_KHZ 0x0C 98 99 /* ASP_ENABLES_1 */ 100 #define CS35L45_ASP_RX2_EN_SHIFT 17 101 #define CS35L45_ASP_RX1_EN_SHIFT 16 102 #define CS35L45_ASP_TX5_EN_SHIFT 4 103 #define CS35L45_ASP_TX4_EN_SHIFT 3 104 #define CS35L45_ASP_TX3_EN_SHIFT 2 105 #define CS35L45_ASP_TX2_EN_SHIFT 1 106 #define CS35L45_ASP_TX1_EN_SHIFT 0 107 108 /* ASP_CONTROL2 */ 109 #define CS35L45_ASP_WIDTH_RX_SHIFT 24 110 #define CS35L45_ASP_WIDTH_RX_MASK GENMASK(31, 24) 111 #define CS35L45_ASP_WIDTH_TX_SHIFT 16 112 #define CS35L45_ASP_WIDTH_TX_MASK GENMASK(23, 16) 113 #define CS35L45_ASP_FMT_SHIFT 8 114 #define CS35L45_ASP_FMT_MASK GENMASK(10, 8) 115 #define CS35L45_ASP_BCLK_INV_SHIFT 6 116 #define CS35L45_ASP_BCLK_INV_MASK BIT(6) 117 #define CS35L45_ASP_FSYNC_INV_SHIFT 2 118 #define CS35L45_ASP_FSYNC_INV_MASK BIT(2) 119 120 #define CS35l45_ASP_FMT_DSP_A 0 121 #define CS35L45_ASP_FMT_I2S 2 122 123 /* ASP_CONTROL3 */ 124 #define CS35L45_ASP_DOUT_HIZ_CTRL_SHIFT 0 125 #define CS35L45_ASP_DOUT_HIZ_CTRL_MASK GENMASK(1, 0) 126 127 /* ASP_FRAME_CONTROL1 */ 128 #define CS35L45_ASP_TX4_SLOT_SHIFT 24 129 #define CS35L45_ASP_TX4_SLOT_MASK GENMASK(29, 24) 130 #define CS35L45_ASP_TX3_SLOT_SHIFT 16 131 #define CS35L45_ASP_TX3_SLOT_MASK GENMASK(21, 16) 132 #define CS35L45_ASP_TX2_SLOT_SHIFT 8 133 #define CS35L45_ASP_TX2_SLOT_MASK GENMASK(13, 8) 134 #define CS35L45_ASP_TX1_SLOT_SHIFT 0 135 #define CS35L45_ASP_TX1_SLOT_MASK GENMASK(5, 0) 136 137 #define CS35L45_ASP_TX_ALL_SLOTS (CS35L45_ASP_TX4_SLOT_MASK | \ 138 CS35L45_ASP_TX3_SLOT_MASK | \ 139 CS35L45_ASP_TX2_SLOT_MASK | \ 140 CS35L45_ASP_TX1_SLOT_MASK) 141 /* ASP_FRAME_CONTROL5 */ 142 #define CS35L45_ASP_RX2_SLOT_SHIFT 8 143 #define CS35L45_ASP_RX2_SLOT_MASK GENMASK(13, 8) 144 #define CS35L45_ASP_RX1_SLOT_SHIFT 0 145 #define CS35L45_ASP_RX1_SLOT_MASK GENMASK(5, 0) 146 147 #define CS35L45_ASP_RX_ALL_SLOTS (CS35L45_ASP_RX2_SLOT_MASK | \ 148 CS35L45_ASP_RX1_SLOT_MASK) 149 150 /* ASP_DATA_CONTROL1 */ 151 /* ASP_DATA_CONTROL5 */ 152 #define CS35L45_ASP_WL_SHIFT 0 153 #define CS35L45_ASP_WL_MASK GENMASK(5, 0) 154 155 /* AMP_PCM_CONTROL */ 156 #define CS35L45_AMP_VOL_PCM_SHIFT 0 157 #define CS35L45_AMP_VOL_PCM_WIDTH 11 158 159 /* AMP_PCM_HPF_TST */ 160 #define CS35l45_HPF_DEFAULT 0x00000000 161 #define CS35L45_HPF_44P1 0x000108BD 162 #define CS35L45_HPF_88P2 0x0001045F 163 164 /* IRQ1_EINT_4 */ 165 #define CS35L45_OTP_BOOT_DONE_STS_MASK BIT(1) 166 #define CS35L45_OTP_BUSY_MASK BIT(0) 167 168 /* Mixer sources */ 169 #define CS35L45_PCM_SRC_MASK 0x7F 170 #define CS35L45_PCM_SRC_ZERO 0x00 171 #define CS35L45_PCM_SRC_ASP_RX1 0x08 172 #define CS35L45_PCM_SRC_ASP_RX2 0x09 173 #define CS35L45_PCM_SRC_VMON 0x18 174 #define CS35L45_PCM_SRC_IMON 0x19 175 #define CS35L45_PCM_SRC_ERR_VOL 0x20 176 #define CS35L45_PCM_SRC_CLASSH_TGT 0x21 177 #define CS35L45_PCM_SRC_VDD_BATTMON 0x28 178 #define CS35L45_PCM_SRC_VDD_BSTMON 0x29 179 #define CS35L45_PCM_SRC_TEMPMON 0x3A 180 #define CS35L45_PCM_SRC_INTERPOLATOR 0x40 181 #define CS35L45_PCM_SRC_IL_TARGET 0x48 182 183 #define CS35L45_RESET_HOLD_US 2000 184 #define CS35L45_RESET_US 2000 185 #define CS35L45_POST_GLOBAL_EN_US 5000 186 #define CS35L45_PRE_GLOBAL_DIS_US 3000 187 188 #define CS35L45_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ 189 SNDRV_PCM_FMTBIT_S24_3LE| \ 190 SNDRV_PCM_FMTBIT_S24_LE) 191 192 #define CS35L45_RATES (SNDRV_PCM_RATE_44100 | \ 193 SNDRV_PCM_RATE_48000 | \ 194 SNDRV_PCM_RATE_88200 | \ 195 SNDRV_PCM_RATE_96000) 196 197 struct cs35l45_private { 198 struct device *dev; 199 struct regmap *regmap; 200 struct gpio_desc *reset_gpio; 201 struct regulator *vdd_batt; 202 struct regulator *vdd_a; 203 bool initialized; 204 bool sysclk_set; 205 u8 slot_width; 206 u8 slot_count; 207 }; 208 209 extern const struct dev_pm_ops cs35l45_pm_ops; 210 extern const struct regmap_config cs35l45_i2c_regmap; 211 extern const struct regmap_config cs35l45_spi_regmap; 212 int cs35l45_apply_patch(struct cs35l45_private *cs43l45); 213 unsigned int cs35l45_get_clk_freq_id(unsigned int freq); 214 int cs35l45_probe(struct cs35l45_private *cs35l45); 215 int cs35l45_remove(struct cs35l45_private *cs35l45); 216 217 #endif /* CS35L45_H */ 218