1 /* 2 * ak4671.c -- audio driver for AK4671 3 * 4 * Copyright (C) 2009 Samsung Electronics Co.Ltd 5 * Author: Joonyoung Shim <jy0922.shim@samsung.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 * 12 */ 13 14 #include <linux/module.h> 15 #include <linux/init.h> 16 #include <linux/i2c.h> 17 #include <linux/delay.h> 18 #include <linux/regmap.h> 19 #include <linux/slab.h> 20 #include <sound/soc.h> 21 #include <sound/initval.h> 22 #include <sound/tlv.h> 23 24 #include "ak4671.h" 25 26 27 /* ak4671 register cache & default register settings */ 28 static const struct reg_default ak4671_reg_defaults[] = { 29 { 0x00, 0x00 }, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */ 30 { 0x01, 0xf6 }, /* AK4671_PLL_MODE_SELECT0 (0x01) */ 31 { 0x02, 0x00 }, /* AK4671_PLL_MODE_SELECT1 (0x02) */ 32 { 0x03, 0x02 }, /* AK4671_FORMAT_SELECT (0x03) */ 33 { 0x04, 0x00 }, /* AK4671_MIC_SIGNAL_SELECT (0x04) */ 34 { 0x05, 0x55 }, /* AK4671_MIC_AMP_GAIN (0x05) */ 35 { 0x06, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */ 36 { 0x07, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */ 37 { 0x08, 0xb5 }, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */ 38 { 0x09, 0x00 }, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */ 39 { 0x0a, 0x00 }, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */ 40 { 0x0b, 0x00 }, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */ 41 { 0x0c, 0x00 }, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */ 42 { 0x0d, 0x00 }, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */ 43 { 0x0e, 0x00 }, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */ 44 { 0x0f, 0x00 }, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */ 45 { 0x10, 0x00 }, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */ 46 { 0x11, 0x80 }, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */ 47 { 0x12, 0x91 }, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */ 48 { 0x13, 0x91 }, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */ 49 { 0x14, 0xe1 }, /* AK4671_ALC_REFERENCE_SELECT (0x14) */ 50 { 0x15, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */ 51 { 0x16, 0x00 }, /* AK4671_ALC_TIMER_SELECT (0x16) */ 52 { 0x17, 0x00 }, /* AK4671_ALC_MODE_CONTROL (0x17) */ 53 { 0x18, 0x02 }, /* AK4671_MODE_CONTROL1 (0x18) */ 54 { 0x19, 0x01 }, /* AK4671_MODE_CONTROL2 (0x19) */ 55 { 0x1a, 0x18 }, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */ 56 { 0x1b, 0x18 }, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */ 57 { 0x1c, 0x00 }, /* AK4671_SIDETONE_A_CONTROL (0x1c) */ 58 { 0x1d, 0x02 }, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */ 59 { 0x1e, 0x00 }, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */ 60 { 0x1f, 0x00 }, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */ 61 { 0x20, 0x00 }, /* AK4671_FIL3_COEFFICIENT2 (0x20) */ 62 { 0x21, 0x00 }, /* AK4671_FIL3_COEFFICIENT3 (0x21) */ 63 { 0x22, 0x00 }, /* AK4671_EQ_COEFFICIENT0 (0x22) */ 64 { 0x23, 0x00 }, /* AK4671_EQ_COEFFICIENT1 (0x23) */ 65 { 0x24, 0x00 }, /* AK4671_EQ_COEFFICIENT2 (0x24) */ 66 { 0x25, 0x00 }, /* AK4671_EQ_COEFFICIENT3 (0x25) */ 67 { 0x26, 0x00 }, /* AK4671_EQ_COEFFICIENT4 (0x26) */ 68 { 0x27, 0x00 }, /* AK4671_EQ_COEFFICIENT5 (0x27) */ 69 { 0x28, 0xa9 }, /* AK4671_FIL1_COEFFICIENT0 (0x28) */ 70 { 0x29, 0x1f }, /* AK4671_FIL1_COEFFICIENT1 (0x29) */ 71 { 0x2a, 0xad }, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */ 72 { 0x2b, 0x20 }, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */ 73 { 0x2c, 0x00 }, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */ 74 { 0x2d, 0x00 }, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */ 75 { 0x2e, 0x00 }, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */ 76 { 0x2f, 0x00 }, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */ 77 { 0x30, 0x00 }, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */ 78 79 { 0x32, 0x00 }, /* AK4671_E1_COEFFICIENT0 (0x32) */ 80 { 0x33, 0x00 }, /* AK4671_E1_COEFFICIENT1 (0x33) */ 81 { 0x34, 0x00 }, /* AK4671_E1_COEFFICIENT2 (0x34) */ 82 { 0x35, 0x00 }, /* AK4671_E1_COEFFICIENT3 (0x35) */ 83 { 0x36, 0x00 }, /* AK4671_E1_COEFFICIENT4 (0x36) */ 84 { 0x37, 0x00 }, /* AK4671_E1_COEFFICIENT5 (0x37) */ 85 { 0x38, 0x00 }, /* AK4671_E2_COEFFICIENT0 (0x38) */ 86 { 0x39, 0x00 }, /* AK4671_E2_COEFFICIENT1 (0x39) */ 87 { 0x3a, 0x00 }, /* AK4671_E2_COEFFICIENT2 (0x3a) */ 88 { 0x3b, 0x00 }, /* AK4671_E2_COEFFICIENT3 (0x3b) */ 89 { 0x3c, 0x00 }, /* AK4671_E2_COEFFICIENT4 (0x3c) */ 90 { 0x3d, 0x00 }, /* AK4671_E2_COEFFICIENT5 (0x3d) */ 91 { 0x3e, 0x00 }, /* AK4671_E3_COEFFICIENT0 (0x3e) */ 92 { 0x3f, 0x00 }, /* AK4671_E3_COEFFICIENT1 (0x3f) */ 93 { 0x40, 0x00 }, /* AK4671_E3_COEFFICIENT2 (0x40) */ 94 { 0x41, 0x00 }, /* AK4671_E3_COEFFICIENT3 (0x41) */ 95 { 0x42, 0x00 }, /* AK4671_E3_COEFFICIENT4 (0x42) */ 96 { 0x43, 0x00 }, /* AK4671_E3_COEFFICIENT5 (0x43) */ 97 { 0x44, 0x00 }, /* AK4671_E4_COEFFICIENT0 (0x44) */ 98 { 0x45, 0x00 }, /* AK4671_E4_COEFFICIENT1 (0x45) */ 99 { 0x46, 0x00 }, /* AK4671_E4_COEFFICIENT2 (0x46) */ 100 { 0x47, 0x00 }, /* AK4671_E4_COEFFICIENT3 (0x47) */ 101 { 0x48, 0x00 }, /* AK4671_E4_COEFFICIENT4 (0x48) */ 102 { 0x49, 0x00 }, /* AK4671_E4_COEFFICIENT5 (0x49) */ 103 { 0x4a, 0x00 }, /* AK4671_E5_COEFFICIENT0 (0x4a) */ 104 { 0x4b, 0x00 }, /* AK4671_E5_COEFFICIENT1 (0x4b) */ 105 { 0x4c, 0x00 }, /* AK4671_E5_COEFFICIENT2 (0x4c) */ 106 { 0x4d, 0x00 }, /* AK4671_E5_COEFFICIENT3 (0x4d) */ 107 { 0x4e, 0x00 }, /* AK4671_E5_COEFFICIENT4 (0x4e) */ 108 { 0x4f, 0x00 }, /* AK4671_E5_COEFFICIENT5 (0x4f) */ 109 { 0x50, 0x88 }, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */ 110 { 0x51, 0x88 }, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */ 111 { 0x52, 0x08 }, /* AK4671_EQ_CONTRO_10KHZ (0x52) */ 112 { 0x53, 0x00 }, /* AK4671_PCM_IF_CONTROL0 (0x53) */ 113 { 0x54, 0x00 }, /* AK4671_PCM_IF_CONTROL1 (0x54) */ 114 { 0x55, 0x00 }, /* AK4671_PCM_IF_CONTROL2 (0x55) */ 115 { 0x56, 0x18 }, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */ 116 { 0x57, 0x18 }, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */ 117 { 0x58, 0x00 }, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */ 118 { 0x59, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */ 119 { 0x5a, 0x00 }, /* AK4671_SAR_ADC_CONTROL (0x5a) */ 120 }; 121 122 /* 123 * LOUT1/ROUT1 output volume control: 124 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB) 125 */ 126 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1); 127 128 /* 129 * LOUT2/ROUT2 output volume control: 130 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB) 131 */ 132 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1); 133 134 /* 135 * LOUT3/ROUT3 output volume control: 136 * from -6 to 3 dB in 3 dB steps 137 */ 138 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0); 139 140 /* 141 * Mic amp gain control: 142 * from -15 to 30 dB in 3 dB steps 143 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not 144 * available 145 */ 146 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0); 147 148 static const struct snd_kcontrol_new ak4671_snd_controls[] = { 149 /* Common playback gain controls */ 150 SOC_SINGLE_TLV("Line Output1 Playback Volume", 151 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv), 152 SOC_SINGLE_TLV("Headphone Output2 Playback Volume", 153 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv), 154 SOC_SINGLE_TLV("Line Output3 Playback Volume", 155 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv), 156 157 /* Common capture gain controls */ 158 SOC_DOUBLE_TLV("Mic Amp Capture Volume", 159 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv), 160 }; 161 162 /* event handlers */ 163 static int ak4671_out2_event(struct snd_soc_dapm_widget *w, 164 struct snd_kcontrol *kcontrol, int event) 165 { 166 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 167 168 switch (event) { 169 case SND_SOC_DAPM_POST_PMU: 170 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT, 171 AK4671_MUTEN, AK4671_MUTEN); 172 break; 173 case SND_SOC_DAPM_PRE_PMD: 174 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT, 175 AK4671_MUTEN, 0); 176 break; 177 } 178 179 return 0; 180 } 181 182 /* Output Mixers */ 183 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = { 184 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0), 185 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0), 186 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0), 187 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0), 188 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0), 189 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0), 190 }; 191 192 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = { 193 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0), 194 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0), 195 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0), 196 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0), 197 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0), 198 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0), 199 }; 200 201 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = { 202 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0), 203 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0), 204 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0), 205 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0), 206 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0), 207 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0), 208 }; 209 210 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = { 211 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0), 212 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0), 213 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0), 214 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0), 215 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0), 216 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0), 217 }; 218 219 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = { 220 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0), 221 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0), 222 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0), 223 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0), 224 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0), 225 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0), 226 }; 227 228 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = { 229 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0), 230 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0), 231 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0), 232 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0), 233 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0), 234 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0), 235 }; 236 237 /* Input MUXs */ 238 static const char *ak4671_lin_mux_texts[] = 239 {"LIN1", "LIN2", "LIN3", "LIN4"}; 240 static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum, 241 AK4671_MIC_SIGNAL_SELECT, 0, 242 ak4671_lin_mux_texts); 243 static const struct snd_kcontrol_new ak4671_lin_mux_control = 244 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum); 245 246 static const char *ak4671_rin_mux_texts[] = 247 {"RIN1", "RIN2", "RIN3", "RIN4"}; 248 static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum, 249 AK4671_MIC_SIGNAL_SELECT, 2, 250 ak4671_rin_mux_texts); 251 static const struct snd_kcontrol_new ak4671_rin_mux_control = 252 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum); 253 254 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = { 255 /* Inputs */ 256 SND_SOC_DAPM_INPUT("LIN1"), 257 SND_SOC_DAPM_INPUT("RIN1"), 258 SND_SOC_DAPM_INPUT("LIN2"), 259 SND_SOC_DAPM_INPUT("RIN2"), 260 SND_SOC_DAPM_INPUT("LIN3"), 261 SND_SOC_DAPM_INPUT("RIN3"), 262 SND_SOC_DAPM_INPUT("LIN4"), 263 SND_SOC_DAPM_INPUT("RIN4"), 264 265 /* Outputs */ 266 SND_SOC_DAPM_OUTPUT("LOUT1"), 267 SND_SOC_DAPM_OUTPUT("ROUT1"), 268 SND_SOC_DAPM_OUTPUT("LOUT2"), 269 SND_SOC_DAPM_OUTPUT("ROUT2"), 270 SND_SOC_DAPM_OUTPUT("LOUT3"), 271 SND_SOC_DAPM_OUTPUT("ROUT3"), 272 273 /* DAC */ 274 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback", 275 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0), 276 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback", 277 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0), 278 279 /* ADC */ 280 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture", 281 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0), 282 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture", 283 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0), 284 285 /* PGA */ 286 SND_SOC_DAPM_PGA("LOUT2 Mix Amp", 287 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0), 288 SND_SOC_DAPM_PGA("ROUT2 Mix Amp", 289 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0), 290 291 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit", 292 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0), 293 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit", 294 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0), 295 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit", 296 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0), 297 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit", 298 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0), 299 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit", 300 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0), 301 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit", 302 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0), 303 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit", 304 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0), 305 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit", 306 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0), 307 308 /* Output Mixers */ 309 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0, 310 &ak4671_lout1_mixer_controls[0], 311 ARRAY_SIZE(ak4671_lout1_mixer_controls)), 312 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0, 313 &ak4671_rout1_mixer_controls[0], 314 ARRAY_SIZE(ak4671_rout1_mixer_controls)), 315 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 316 0, 0, &ak4671_lout2_mixer_controls[0], 317 ARRAY_SIZE(ak4671_lout2_mixer_controls), 318 ak4671_out2_event, 319 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 320 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 321 1, 0, &ak4671_rout2_mixer_controls[0], 322 ARRAY_SIZE(ak4671_rout2_mixer_controls), 323 ak4671_out2_event, 324 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 325 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0, 326 &ak4671_lout3_mixer_controls[0], 327 ARRAY_SIZE(ak4671_lout3_mixer_controls)), 328 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0, 329 &ak4671_rout3_mixer_controls[0], 330 ARRAY_SIZE(ak4671_rout3_mixer_controls)), 331 332 /* Input MUXs */ 333 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0, 334 &ak4671_lin_mux_control), 335 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0, 336 &ak4671_rin_mux_control), 337 338 /* Mic Power */ 339 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0), 340 341 /* Supply */ 342 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0), 343 }; 344 345 static const struct snd_soc_dapm_route ak4671_intercon[] = { 346 {"DAC Left", NULL, "PMPLL"}, 347 {"DAC Right", NULL, "PMPLL"}, 348 {"ADC Left", NULL, "PMPLL"}, 349 {"ADC Right", NULL, "PMPLL"}, 350 351 /* Outputs */ 352 {"LOUT1", NULL, "LOUT1 Mixer"}, 353 {"ROUT1", NULL, "ROUT1 Mixer"}, 354 {"LOUT2", NULL, "LOUT2 Mix Amp"}, 355 {"ROUT2", NULL, "ROUT2 Mix Amp"}, 356 {"LOUT3", NULL, "LOUT3 Mixer"}, 357 {"ROUT3", NULL, "ROUT3 Mixer"}, 358 359 {"LOUT1 Mixer", "DACL", "DAC Left"}, 360 {"ROUT1 Mixer", "DACR", "DAC Right"}, 361 {"LOUT2 Mixer", "DACHL", "DAC Left"}, 362 {"ROUT2 Mixer", "DACHR", "DAC Right"}, 363 {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"}, 364 {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"}, 365 {"LOUT3 Mixer", "DACSL", "DAC Left"}, 366 {"ROUT3 Mixer", "DACSR", "DAC Right"}, 367 368 /* Inputs */ 369 {"LIN MUX", "LIN1", "LIN1"}, 370 {"LIN MUX", "LIN2", "LIN2"}, 371 {"LIN MUX", "LIN3", "LIN3"}, 372 {"LIN MUX", "LIN4", "LIN4"}, 373 374 {"RIN MUX", "RIN1", "RIN1"}, 375 {"RIN MUX", "RIN2", "RIN2"}, 376 {"RIN MUX", "RIN3", "RIN3"}, 377 {"RIN MUX", "RIN4", "RIN4"}, 378 379 {"LIN1", NULL, "Mic Bias"}, 380 {"RIN1", NULL, "Mic Bias"}, 381 {"LIN2", NULL, "Mic Bias"}, 382 {"RIN2", NULL, "Mic Bias"}, 383 384 {"ADC Left", NULL, "LIN MUX"}, 385 {"ADC Right", NULL, "RIN MUX"}, 386 387 /* Analog Loops */ 388 {"LIN1 Mixing Circuit", NULL, "LIN1"}, 389 {"RIN1 Mixing Circuit", NULL, "RIN1"}, 390 {"LIN2 Mixing Circuit", NULL, "LIN2"}, 391 {"RIN2 Mixing Circuit", NULL, "RIN2"}, 392 {"LIN3 Mixing Circuit", NULL, "LIN3"}, 393 {"RIN3 Mixing Circuit", NULL, "RIN3"}, 394 {"LIN4 Mixing Circuit", NULL, "LIN4"}, 395 {"RIN4 Mixing Circuit", NULL, "RIN4"}, 396 397 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"}, 398 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"}, 399 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"}, 400 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"}, 401 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"}, 402 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"}, 403 404 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"}, 405 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"}, 406 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"}, 407 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"}, 408 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"}, 409 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"}, 410 411 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"}, 412 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"}, 413 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"}, 414 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"}, 415 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"}, 416 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"}, 417 418 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"}, 419 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"}, 420 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"}, 421 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"}, 422 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"}, 423 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"}, 424 }; 425 426 static int ak4671_hw_params(struct snd_pcm_substream *substream, 427 struct snd_pcm_hw_params *params, 428 struct snd_soc_dai *dai) 429 { 430 struct snd_soc_codec *codec = dai->codec; 431 u8 fs; 432 433 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 434 fs &= ~AK4671_FS; 435 436 switch (params_rate(params)) { 437 case 8000: 438 fs |= AK4671_FS_8KHZ; 439 break; 440 case 12000: 441 fs |= AK4671_FS_12KHZ; 442 break; 443 case 16000: 444 fs |= AK4671_FS_16KHZ; 445 break; 446 case 24000: 447 fs |= AK4671_FS_24KHZ; 448 break; 449 case 11025: 450 fs |= AK4671_FS_11_025KHZ; 451 break; 452 case 22050: 453 fs |= AK4671_FS_22_05KHZ; 454 break; 455 case 32000: 456 fs |= AK4671_FS_32KHZ; 457 break; 458 case 44100: 459 fs |= AK4671_FS_44_1KHZ; 460 break; 461 case 48000: 462 fs |= AK4671_FS_48KHZ; 463 break; 464 default: 465 return -EINVAL; 466 } 467 468 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs); 469 470 return 0; 471 } 472 473 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 474 unsigned int freq, int dir) 475 { 476 struct snd_soc_codec *codec = dai->codec; 477 u8 pll; 478 479 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 480 pll &= ~AK4671_PLL; 481 482 switch (freq) { 483 case 11289600: 484 pll |= AK4671_PLL_11_2896MHZ; 485 break; 486 case 12000000: 487 pll |= AK4671_PLL_12MHZ; 488 break; 489 case 12288000: 490 pll |= AK4671_PLL_12_288MHZ; 491 break; 492 case 13000000: 493 pll |= AK4671_PLL_13MHZ; 494 break; 495 case 13500000: 496 pll |= AK4671_PLL_13_5MHZ; 497 break; 498 case 19200000: 499 pll |= AK4671_PLL_19_2MHZ; 500 break; 501 case 24000000: 502 pll |= AK4671_PLL_24MHZ; 503 break; 504 case 26000000: 505 pll |= AK4671_PLL_26MHZ; 506 break; 507 case 27000000: 508 pll |= AK4671_PLL_27MHZ; 509 break; 510 default: 511 return -EINVAL; 512 } 513 514 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll); 515 516 return 0; 517 } 518 519 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 520 { 521 struct snd_soc_codec *codec = dai->codec; 522 u8 mode; 523 u8 format; 524 525 /* set master/slave audio interface */ 526 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1); 527 528 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 529 case SND_SOC_DAIFMT_CBM_CFM: 530 mode |= AK4671_M_S; 531 break; 532 case SND_SOC_DAIFMT_CBM_CFS: 533 mode &= ~(AK4671_M_S); 534 break; 535 default: 536 return -EINVAL; 537 } 538 539 /* interface format */ 540 format = snd_soc_read(codec, AK4671_FORMAT_SELECT); 541 format &= ~AK4671_DIF; 542 543 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 544 case SND_SOC_DAIFMT_I2S: 545 format |= AK4671_DIF_I2S_MODE; 546 break; 547 case SND_SOC_DAIFMT_LEFT_J: 548 format |= AK4671_DIF_MSB_MODE; 549 break; 550 case SND_SOC_DAIFMT_DSP_A: 551 format |= AK4671_DIF_DSP_MODE; 552 format |= AK4671_BCKP; 553 format |= AK4671_MSBS; 554 break; 555 default: 556 return -EINVAL; 557 } 558 559 /* set mode and format */ 560 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode); 561 snd_soc_write(codec, AK4671_FORMAT_SELECT, format); 562 563 return 0; 564 } 565 566 static int ak4671_set_bias_level(struct snd_soc_codec *codec, 567 enum snd_soc_bias_level level) 568 { 569 switch (level) { 570 case SND_SOC_BIAS_ON: 571 case SND_SOC_BIAS_PREPARE: 572 case SND_SOC_BIAS_STANDBY: 573 snd_soc_update_bits(codec, AK4671_AD_DA_POWER_MANAGEMENT, 574 AK4671_PMVCM, AK4671_PMVCM); 575 break; 576 case SND_SOC_BIAS_OFF: 577 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); 578 break; 579 } 580 return 0; 581 } 582 583 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 584 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 585 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 586 SNDRV_PCM_RATE_48000) 587 588 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE 589 590 static const struct snd_soc_dai_ops ak4671_dai_ops = { 591 .hw_params = ak4671_hw_params, 592 .set_sysclk = ak4671_set_dai_sysclk, 593 .set_fmt = ak4671_set_dai_fmt, 594 }; 595 596 static struct snd_soc_dai_driver ak4671_dai = { 597 .name = "ak4671-hifi", 598 .playback = { 599 .stream_name = "Playback", 600 .channels_min = 1, 601 .channels_max = 2, 602 .rates = AK4671_RATES, 603 .formats = AK4671_FORMATS,}, 604 .capture = { 605 .stream_name = "Capture", 606 .channels_min = 1, 607 .channels_max = 2, 608 .rates = AK4671_RATES, 609 .formats = AK4671_FORMATS,}, 610 .ops = &ak4671_dai_ops, 611 }; 612 613 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = { 614 .set_bias_level = ak4671_set_bias_level, 615 .component_driver = { 616 .controls = ak4671_snd_controls, 617 .num_controls = ARRAY_SIZE(ak4671_snd_controls), 618 .dapm_widgets = ak4671_dapm_widgets, 619 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets), 620 .dapm_routes = ak4671_intercon, 621 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon), 622 }, 623 }; 624 625 static const struct regmap_config ak4671_regmap = { 626 .reg_bits = 8, 627 .val_bits = 8, 628 629 .max_register = AK4671_SAR_ADC_CONTROL, 630 .reg_defaults = ak4671_reg_defaults, 631 .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults), 632 .cache_type = REGCACHE_RBTREE, 633 }; 634 635 static int ak4671_i2c_probe(struct i2c_client *client, 636 const struct i2c_device_id *id) 637 { 638 struct regmap *regmap; 639 int ret; 640 641 regmap = devm_regmap_init_i2c(client, &ak4671_regmap); 642 if (IS_ERR(regmap)) { 643 ret = PTR_ERR(regmap); 644 dev_err(&client->dev, "Failed to create regmap: %d\n", ret); 645 return ret; 646 } 647 648 ret = snd_soc_register_codec(&client->dev, 649 &soc_codec_dev_ak4671, &ak4671_dai, 1); 650 return ret; 651 } 652 653 static int ak4671_i2c_remove(struct i2c_client *client) 654 { 655 snd_soc_unregister_codec(&client->dev); 656 return 0; 657 } 658 659 static const struct i2c_device_id ak4671_i2c_id[] = { 660 { "ak4671", 0 }, 661 { } 662 }; 663 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); 664 665 static struct i2c_driver ak4671_i2c_driver = { 666 .driver = { 667 .name = "ak4671-codec", 668 }, 669 .probe = ak4671_i2c_probe, 670 .remove = ak4671_i2c_remove, 671 .id_table = ak4671_i2c_id, 672 }; 673 674 module_i2c_driver(ak4671_i2c_driver); 675 676 MODULE_DESCRIPTION("ASoC AK4671 codec driver"); 677 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 678 MODULE_LICENSE("GPL"); 679