1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ak4671.c -- audio driver for AK4671 4 * 5 * Copyright (C) 2009 Samsung Electronics Co.Ltd 6 * Author: Joonyoung Shim <jy0922.shim@samsung.com> 7 */ 8 9 #include <linux/module.h> 10 #include <linux/init.h> 11 #include <linux/i2c.h> 12 #include <linux/delay.h> 13 #include <linux/regmap.h> 14 #include <linux/slab.h> 15 #include <sound/soc.h> 16 #include <sound/initval.h> 17 #include <sound/tlv.h> 18 19 #include "ak4671.h" 20 21 22 /* ak4671 register cache & default register settings */ 23 static const struct reg_default ak4671_reg_defaults[] = { 24 { 0x00, 0x00 }, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */ 25 { 0x01, 0xf6 }, /* AK4671_PLL_MODE_SELECT0 (0x01) */ 26 { 0x02, 0x00 }, /* AK4671_PLL_MODE_SELECT1 (0x02) */ 27 { 0x03, 0x02 }, /* AK4671_FORMAT_SELECT (0x03) */ 28 { 0x04, 0x00 }, /* AK4671_MIC_SIGNAL_SELECT (0x04) */ 29 { 0x05, 0x55 }, /* AK4671_MIC_AMP_GAIN (0x05) */ 30 { 0x06, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */ 31 { 0x07, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */ 32 { 0x08, 0xb5 }, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */ 33 { 0x09, 0x00 }, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */ 34 { 0x0a, 0x00 }, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */ 35 { 0x0b, 0x00 }, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */ 36 { 0x0c, 0x00 }, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */ 37 { 0x0d, 0x00 }, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */ 38 { 0x0e, 0x00 }, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */ 39 { 0x0f, 0x00 }, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */ 40 { 0x10, 0x00 }, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */ 41 { 0x11, 0x80 }, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */ 42 { 0x12, 0x91 }, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */ 43 { 0x13, 0x91 }, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */ 44 { 0x14, 0xe1 }, /* AK4671_ALC_REFERENCE_SELECT (0x14) */ 45 { 0x15, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */ 46 { 0x16, 0x00 }, /* AK4671_ALC_TIMER_SELECT (0x16) */ 47 { 0x17, 0x00 }, /* AK4671_ALC_MODE_CONTROL (0x17) */ 48 { 0x18, 0x02 }, /* AK4671_MODE_CONTROL1 (0x18) */ 49 { 0x19, 0x01 }, /* AK4671_MODE_CONTROL2 (0x19) */ 50 { 0x1a, 0x18 }, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */ 51 { 0x1b, 0x18 }, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */ 52 { 0x1c, 0x00 }, /* AK4671_SIDETONE_A_CONTROL (0x1c) */ 53 { 0x1d, 0x02 }, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */ 54 { 0x1e, 0x00 }, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */ 55 { 0x1f, 0x00 }, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */ 56 { 0x20, 0x00 }, /* AK4671_FIL3_COEFFICIENT2 (0x20) */ 57 { 0x21, 0x00 }, /* AK4671_FIL3_COEFFICIENT3 (0x21) */ 58 { 0x22, 0x00 }, /* AK4671_EQ_COEFFICIENT0 (0x22) */ 59 { 0x23, 0x00 }, /* AK4671_EQ_COEFFICIENT1 (0x23) */ 60 { 0x24, 0x00 }, /* AK4671_EQ_COEFFICIENT2 (0x24) */ 61 { 0x25, 0x00 }, /* AK4671_EQ_COEFFICIENT3 (0x25) */ 62 { 0x26, 0x00 }, /* AK4671_EQ_COEFFICIENT4 (0x26) */ 63 { 0x27, 0x00 }, /* AK4671_EQ_COEFFICIENT5 (0x27) */ 64 { 0x28, 0xa9 }, /* AK4671_FIL1_COEFFICIENT0 (0x28) */ 65 { 0x29, 0x1f }, /* AK4671_FIL1_COEFFICIENT1 (0x29) */ 66 { 0x2a, 0xad }, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */ 67 { 0x2b, 0x20 }, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */ 68 { 0x2c, 0x00 }, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */ 69 { 0x2d, 0x00 }, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */ 70 { 0x2e, 0x00 }, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */ 71 { 0x2f, 0x00 }, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */ 72 { 0x30, 0x00 }, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */ 73 74 { 0x32, 0x00 }, /* AK4671_E1_COEFFICIENT0 (0x32) */ 75 { 0x33, 0x00 }, /* AK4671_E1_COEFFICIENT1 (0x33) */ 76 { 0x34, 0x00 }, /* AK4671_E1_COEFFICIENT2 (0x34) */ 77 { 0x35, 0x00 }, /* AK4671_E1_COEFFICIENT3 (0x35) */ 78 { 0x36, 0x00 }, /* AK4671_E1_COEFFICIENT4 (0x36) */ 79 { 0x37, 0x00 }, /* AK4671_E1_COEFFICIENT5 (0x37) */ 80 { 0x38, 0x00 }, /* AK4671_E2_COEFFICIENT0 (0x38) */ 81 { 0x39, 0x00 }, /* AK4671_E2_COEFFICIENT1 (0x39) */ 82 { 0x3a, 0x00 }, /* AK4671_E2_COEFFICIENT2 (0x3a) */ 83 { 0x3b, 0x00 }, /* AK4671_E2_COEFFICIENT3 (0x3b) */ 84 { 0x3c, 0x00 }, /* AK4671_E2_COEFFICIENT4 (0x3c) */ 85 { 0x3d, 0x00 }, /* AK4671_E2_COEFFICIENT5 (0x3d) */ 86 { 0x3e, 0x00 }, /* AK4671_E3_COEFFICIENT0 (0x3e) */ 87 { 0x3f, 0x00 }, /* AK4671_E3_COEFFICIENT1 (0x3f) */ 88 { 0x40, 0x00 }, /* AK4671_E3_COEFFICIENT2 (0x40) */ 89 { 0x41, 0x00 }, /* AK4671_E3_COEFFICIENT3 (0x41) */ 90 { 0x42, 0x00 }, /* AK4671_E3_COEFFICIENT4 (0x42) */ 91 { 0x43, 0x00 }, /* AK4671_E3_COEFFICIENT5 (0x43) */ 92 { 0x44, 0x00 }, /* AK4671_E4_COEFFICIENT0 (0x44) */ 93 { 0x45, 0x00 }, /* AK4671_E4_COEFFICIENT1 (0x45) */ 94 { 0x46, 0x00 }, /* AK4671_E4_COEFFICIENT2 (0x46) */ 95 { 0x47, 0x00 }, /* AK4671_E4_COEFFICIENT3 (0x47) */ 96 { 0x48, 0x00 }, /* AK4671_E4_COEFFICIENT4 (0x48) */ 97 { 0x49, 0x00 }, /* AK4671_E4_COEFFICIENT5 (0x49) */ 98 { 0x4a, 0x00 }, /* AK4671_E5_COEFFICIENT0 (0x4a) */ 99 { 0x4b, 0x00 }, /* AK4671_E5_COEFFICIENT1 (0x4b) */ 100 { 0x4c, 0x00 }, /* AK4671_E5_COEFFICIENT2 (0x4c) */ 101 { 0x4d, 0x00 }, /* AK4671_E5_COEFFICIENT3 (0x4d) */ 102 { 0x4e, 0x00 }, /* AK4671_E5_COEFFICIENT4 (0x4e) */ 103 { 0x4f, 0x00 }, /* AK4671_E5_COEFFICIENT5 (0x4f) */ 104 { 0x50, 0x88 }, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */ 105 { 0x51, 0x88 }, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */ 106 { 0x52, 0x08 }, /* AK4671_EQ_CONTRO_10KHZ (0x52) */ 107 { 0x53, 0x00 }, /* AK4671_PCM_IF_CONTROL0 (0x53) */ 108 { 0x54, 0x00 }, /* AK4671_PCM_IF_CONTROL1 (0x54) */ 109 { 0x55, 0x00 }, /* AK4671_PCM_IF_CONTROL2 (0x55) */ 110 { 0x56, 0x18 }, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */ 111 { 0x57, 0x18 }, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */ 112 { 0x58, 0x00 }, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */ 113 { 0x59, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */ 114 { 0x5a, 0x00 }, /* AK4671_SAR_ADC_CONTROL (0x5a) */ 115 }; 116 117 /* 118 * LOUT1/ROUT1 output volume control: 119 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB) 120 */ 121 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1); 122 123 /* 124 * LOUT2/ROUT2 output volume control: 125 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB) 126 */ 127 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1); 128 129 /* 130 * LOUT3/ROUT3 output volume control: 131 * from -6 to 3 dB in 3 dB steps 132 */ 133 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0); 134 135 /* 136 * Mic amp gain control: 137 * from -15 to 30 dB in 3 dB steps 138 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not 139 * available 140 */ 141 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0); 142 143 static const struct snd_kcontrol_new ak4671_snd_controls[] = { 144 /* Common playback gain controls */ 145 SOC_SINGLE_TLV("Line Output1 Playback Volume", 146 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv), 147 SOC_SINGLE_TLV("Headphone Output2 Playback Volume", 148 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv), 149 SOC_SINGLE_TLV("Line Output3 Playback Volume", 150 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv), 151 152 /* Common capture gain controls */ 153 SOC_DOUBLE_TLV("Mic Amp Capture Volume", 154 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv), 155 }; 156 157 /* event handlers */ 158 static int ak4671_out2_event(struct snd_soc_dapm_widget *w, 159 struct snd_kcontrol *kcontrol, int event) 160 { 161 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 162 163 switch (event) { 164 case SND_SOC_DAPM_POST_PMU: 165 snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT, 166 AK4671_MUTEN, AK4671_MUTEN); 167 break; 168 case SND_SOC_DAPM_PRE_PMD: 169 snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT, 170 AK4671_MUTEN, 0); 171 break; 172 } 173 174 return 0; 175 } 176 177 /* Output Mixers */ 178 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = { 179 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0), 180 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0), 181 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0), 182 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0), 183 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0), 184 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0), 185 }; 186 187 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = { 188 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0), 189 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0), 190 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0), 191 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0), 192 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0), 193 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0), 194 }; 195 196 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = { 197 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0), 198 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0), 199 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0), 200 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0), 201 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0), 202 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0), 203 }; 204 205 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = { 206 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0), 207 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0), 208 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0), 209 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0), 210 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0), 211 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0), 212 }; 213 214 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = { 215 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0), 216 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0), 217 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0), 218 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0), 219 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0), 220 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0), 221 }; 222 223 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = { 224 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0), 225 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0), 226 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0), 227 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0), 228 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0), 229 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0), 230 }; 231 232 /* Input MUXs */ 233 static const char *ak4671_lin_mux_texts[] = 234 {"LIN1", "LIN2", "LIN3", "LIN4"}; 235 static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum, 236 AK4671_MIC_SIGNAL_SELECT, 0, 237 ak4671_lin_mux_texts); 238 static const struct snd_kcontrol_new ak4671_lin_mux_control = 239 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum); 240 241 static const char *ak4671_rin_mux_texts[] = 242 {"RIN1", "RIN2", "RIN3", "RIN4"}; 243 static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum, 244 AK4671_MIC_SIGNAL_SELECT, 2, 245 ak4671_rin_mux_texts); 246 static const struct snd_kcontrol_new ak4671_rin_mux_control = 247 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum); 248 249 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = { 250 /* Inputs */ 251 SND_SOC_DAPM_INPUT("LIN1"), 252 SND_SOC_DAPM_INPUT("RIN1"), 253 SND_SOC_DAPM_INPUT("LIN2"), 254 SND_SOC_DAPM_INPUT("RIN2"), 255 SND_SOC_DAPM_INPUT("LIN3"), 256 SND_SOC_DAPM_INPUT("RIN3"), 257 SND_SOC_DAPM_INPUT("LIN4"), 258 SND_SOC_DAPM_INPUT("RIN4"), 259 260 /* Outputs */ 261 SND_SOC_DAPM_OUTPUT("LOUT1"), 262 SND_SOC_DAPM_OUTPUT("ROUT1"), 263 SND_SOC_DAPM_OUTPUT("LOUT2"), 264 SND_SOC_DAPM_OUTPUT("ROUT2"), 265 SND_SOC_DAPM_OUTPUT("LOUT3"), 266 SND_SOC_DAPM_OUTPUT("ROUT3"), 267 268 /* DAC */ 269 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback", 270 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0), 271 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback", 272 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0), 273 274 /* ADC */ 275 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture", 276 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0), 277 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture", 278 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0), 279 280 /* PGA */ 281 SND_SOC_DAPM_PGA("LOUT2 Mix Amp", 282 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0), 283 SND_SOC_DAPM_PGA("ROUT2 Mix Amp", 284 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0), 285 286 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit", 287 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0), 288 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit", 289 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0), 290 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit", 291 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0), 292 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit", 293 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0), 294 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit", 295 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0), 296 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit", 297 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0), 298 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit", 299 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0), 300 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit", 301 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0), 302 303 /* Output Mixers */ 304 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0, 305 &ak4671_lout1_mixer_controls[0], 306 ARRAY_SIZE(ak4671_lout1_mixer_controls)), 307 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0, 308 &ak4671_rout1_mixer_controls[0], 309 ARRAY_SIZE(ak4671_rout1_mixer_controls)), 310 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 311 0, 0, &ak4671_lout2_mixer_controls[0], 312 ARRAY_SIZE(ak4671_lout2_mixer_controls), 313 ak4671_out2_event, 314 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 315 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 316 1, 0, &ak4671_rout2_mixer_controls[0], 317 ARRAY_SIZE(ak4671_rout2_mixer_controls), 318 ak4671_out2_event, 319 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 320 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0, 321 &ak4671_lout3_mixer_controls[0], 322 ARRAY_SIZE(ak4671_lout3_mixer_controls)), 323 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0, 324 &ak4671_rout3_mixer_controls[0], 325 ARRAY_SIZE(ak4671_rout3_mixer_controls)), 326 327 /* Input MUXs */ 328 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0, 329 &ak4671_lin_mux_control), 330 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0, 331 &ak4671_rin_mux_control), 332 333 /* Mic Power */ 334 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0), 335 336 /* Supply */ 337 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0), 338 }; 339 340 static const struct snd_soc_dapm_route ak4671_intercon[] = { 341 {"DAC Left", NULL, "PMPLL"}, 342 {"DAC Right", NULL, "PMPLL"}, 343 {"ADC Left", NULL, "PMPLL"}, 344 {"ADC Right", NULL, "PMPLL"}, 345 346 /* Outputs */ 347 {"LOUT1", NULL, "LOUT1 Mixer"}, 348 {"ROUT1", NULL, "ROUT1 Mixer"}, 349 {"LOUT2", NULL, "LOUT2 Mix Amp"}, 350 {"ROUT2", NULL, "ROUT2 Mix Amp"}, 351 {"LOUT3", NULL, "LOUT3 Mixer"}, 352 {"ROUT3", NULL, "ROUT3 Mixer"}, 353 354 {"LOUT1 Mixer", "DACL", "DAC Left"}, 355 {"ROUT1 Mixer", "DACR", "DAC Right"}, 356 {"LOUT2 Mixer", "DACHL", "DAC Left"}, 357 {"ROUT2 Mixer", "DACHR", "DAC Right"}, 358 {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"}, 359 {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"}, 360 {"LOUT3 Mixer", "DACSL", "DAC Left"}, 361 {"ROUT3 Mixer", "DACSR", "DAC Right"}, 362 363 /* Inputs */ 364 {"LIN MUX", "LIN1", "LIN1"}, 365 {"LIN MUX", "LIN2", "LIN2"}, 366 {"LIN MUX", "LIN3", "LIN3"}, 367 {"LIN MUX", "LIN4", "LIN4"}, 368 369 {"RIN MUX", "RIN1", "RIN1"}, 370 {"RIN MUX", "RIN2", "RIN2"}, 371 {"RIN MUX", "RIN3", "RIN3"}, 372 {"RIN MUX", "RIN4", "RIN4"}, 373 374 {"LIN1", NULL, "Mic Bias"}, 375 {"RIN1", NULL, "Mic Bias"}, 376 {"LIN2", NULL, "Mic Bias"}, 377 {"RIN2", NULL, "Mic Bias"}, 378 379 {"ADC Left", NULL, "LIN MUX"}, 380 {"ADC Right", NULL, "RIN MUX"}, 381 382 /* Analog Loops */ 383 {"LIN1 Mixing Circuit", NULL, "LIN1"}, 384 {"RIN1 Mixing Circuit", NULL, "RIN1"}, 385 {"LIN2 Mixing Circuit", NULL, "LIN2"}, 386 {"RIN2 Mixing Circuit", NULL, "RIN2"}, 387 {"LIN3 Mixing Circuit", NULL, "LIN3"}, 388 {"RIN3 Mixing Circuit", NULL, "RIN3"}, 389 {"LIN4 Mixing Circuit", NULL, "LIN4"}, 390 {"RIN4 Mixing Circuit", NULL, "RIN4"}, 391 392 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"}, 393 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"}, 394 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"}, 395 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"}, 396 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"}, 397 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"}, 398 399 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"}, 400 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"}, 401 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"}, 402 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"}, 403 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"}, 404 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"}, 405 406 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"}, 407 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"}, 408 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"}, 409 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"}, 410 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"}, 411 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"}, 412 413 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"}, 414 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"}, 415 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"}, 416 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"}, 417 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"}, 418 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"}, 419 }; 420 421 static int ak4671_hw_params(struct snd_pcm_substream *substream, 422 struct snd_pcm_hw_params *params, 423 struct snd_soc_dai *dai) 424 { 425 struct snd_soc_component *component = dai->component; 426 u8 fs; 427 428 fs = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0); 429 fs &= ~AK4671_FS; 430 431 switch (params_rate(params)) { 432 case 8000: 433 fs |= AK4671_FS_8KHZ; 434 break; 435 case 12000: 436 fs |= AK4671_FS_12KHZ; 437 break; 438 case 16000: 439 fs |= AK4671_FS_16KHZ; 440 break; 441 case 24000: 442 fs |= AK4671_FS_24KHZ; 443 break; 444 case 11025: 445 fs |= AK4671_FS_11_025KHZ; 446 break; 447 case 22050: 448 fs |= AK4671_FS_22_05KHZ; 449 break; 450 case 32000: 451 fs |= AK4671_FS_32KHZ; 452 break; 453 case 44100: 454 fs |= AK4671_FS_44_1KHZ; 455 break; 456 case 48000: 457 fs |= AK4671_FS_48KHZ; 458 break; 459 default: 460 return -EINVAL; 461 } 462 463 snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs); 464 465 return 0; 466 } 467 468 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 469 unsigned int freq, int dir) 470 { 471 struct snd_soc_component *component = dai->component; 472 u8 pll; 473 474 pll = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0); 475 pll &= ~AK4671_PLL; 476 477 switch (freq) { 478 case 11289600: 479 pll |= AK4671_PLL_11_2896MHZ; 480 break; 481 case 12000000: 482 pll |= AK4671_PLL_12MHZ; 483 break; 484 case 12288000: 485 pll |= AK4671_PLL_12_288MHZ; 486 break; 487 case 13000000: 488 pll |= AK4671_PLL_13MHZ; 489 break; 490 case 13500000: 491 pll |= AK4671_PLL_13_5MHZ; 492 break; 493 case 19200000: 494 pll |= AK4671_PLL_19_2MHZ; 495 break; 496 case 24000000: 497 pll |= AK4671_PLL_24MHZ; 498 break; 499 case 26000000: 500 pll |= AK4671_PLL_26MHZ; 501 break; 502 case 27000000: 503 pll |= AK4671_PLL_27MHZ; 504 break; 505 default: 506 return -EINVAL; 507 } 508 509 snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll); 510 511 return 0; 512 } 513 514 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 515 { 516 struct snd_soc_component *component = dai->component; 517 u8 mode; 518 u8 format; 519 520 /* set master/slave audio interface */ 521 mode = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT1); 522 523 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 524 case SND_SOC_DAIFMT_CBP_CFP: 525 mode |= AK4671_M_S; 526 break; 527 case SND_SOC_DAIFMT_CBP_CFC: 528 mode &= ~(AK4671_M_S); 529 break; 530 default: 531 return -EINVAL; 532 } 533 534 /* interface format */ 535 format = snd_soc_component_read(component, AK4671_FORMAT_SELECT); 536 format &= ~AK4671_DIF; 537 538 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 539 case SND_SOC_DAIFMT_I2S: 540 format |= AK4671_DIF_I2S_MODE; 541 break; 542 case SND_SOC_DAIFMT_LEFT_J: 543 format |= AK4671_DIF_MSB_MODE; 544 break; 545 case SND_SOC_DAIFMT_DSP_A: 546 format |= AK4671_DIF_DSP_MODE; 547 format |= AK4671_BCKP; 548 format |= AK4671_MSBS; 549 break; 550 default: 551 return -EINVAL; 552 } 553 554 /* set mode and format */ 555 snd_soc_component_write(component, AK4671_PLL_MODE_SELECT1, mode); 556 snd_soc_component_write(component, AK4671_FORMAT_SELECT, format); 557 558 return 0; 559 } 560 561 static int ak4671_set_bias_level(struct snd_soc_component *component, 562 enum snd_soc_bias_level level) 563 { 564 switch (level) { 565 case SND_SOC_BIAS_ON: 566 case SND_SOC_BIAS_PREPARE: 567 case SND_SOC_BIAS_STANDBY: 568 snd_soc_component_update_bits(component, AK4671_AD_DA_POWER_MANAGEMENT, 569 AK4671_PMVCM, AK4671_PMVCM); 570 break; 571 case SND_SOC_BIAS_OFF: 572 snd_soc_component_write(component, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); 573 break; 574 } 575 return 0; 576 } 577 578 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 579 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 580 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 581 SNDRV_PCM_RATE_48000) 582 583 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE 584 585 static const struct snd_soc_dai_ops ak4671_dai_ops = { 586 .hw_params = ak4671_hw_params, 587 .set_sysclk = ak4671_set_dai_sysclk, 588 .set_fmt = ak4671_set_dai_fmt, 589 }; 590 591 static struct snd_soc_dai_driver ak4671_dai = { 592 .name = "ak4671-hifi", 593 .playback = { 594 .stream_name = "Playback", 595 .channels_min = 1, 596 .channels_max = 2, 597 .rates = AK4671_RATES, 598 .formats = AK4671_FORMATS,}, 599 .capture = { 600 .stream_name = "Capture", 601 .channels_min = 1, 602 .channels_max = 2, 603 .rates = AK4671_RATES, 604 .formats = AK4671_FORMATS,}, 605 .ops = &ak4671_dai_ops, 606 }; 607 608 static const struct snd_soc_component_driver soc_component_dev_ak4671 = { 609 .set_bias_level = ak4671_set_bias_level, 610 .controls = ak4671_snd_controls, 611 .num_controls = ARRAY_SIZE(ak4671_snd_controls), 612 .dapm_widgets = ak4671_dapm_widgets, 613 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets), 614 .dapm_routes = ak4671_intercon, 615 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon), 616 .idle_bias_on = 1, 617 .use_pmdown_time = 1, 618 .endianness = 1, 619 }; 620 621 static const struct regmap_config ak4671_regmap = { 622 .reg_bits = 8, 623 .val_bits = 8, 624 625 .max_register = AK4671_SAR_ADC_CONTROL, 626 .reg_defaults = ak4671_reg_defaults, 627 .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults), 628 .cache_type = REGCACHE_RBTREE, 629 }; 630 631 static int ak4671_i2c_probe(struct i2c_client *client) 632 { 633 struct regmap *regmap; 634 int ret; 635 636 regmap = devm_regmap_init_i2c(client, &ak4671_regmap); 637 if (IS_ERR(regmap)) { 638 ret = PTR_ERR(regmap); 639 dev_err(&client->dev, "Failed to create regmap: %d\n", ret); 640 return ret; 641 } 642 643 ret = devm_snd_soc_register_component(&client->dev, 644 &soc_component_dev_ak4671, &ak4671_dai, 1); 645 return ret; 646 } 647 648 static const struct i2c_device_id ak4671_i2c_id[] = { 649 { "ak4671", 0 }, 650 { } 651 }; 652 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); 653 654 static struct i2c_driver ak4671_i2c_driver = { 655 .driver = { 656 .name = "ak4671-codec", 657 }, 658 .probe_new = ak4671_i2c_probe, 659 .id_table = ak4671_i2c_id, 660 }; 661 662 module_i2c_driver(ak4671_i2c_driver); 663 664 MODULE_DESCRIPTION("ASoC AK4671 codec driver"); 665 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 666 MODULE_LICENSE("GPL"); 667