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/slab.h> 19 #include <sound/soc.h> 20 #include <sound/initval.h> 21 #include <sound/tlv.h> 22 23 #include "ak4671.h" 24 25 26 /* codec private data */ 27 struct ak4671_priv { 28 enum snd_soc_control_type control_type; 29 }; 30 31 /* ak4671 register cache & default register settings */ 32 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = { 33 0x00, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */ 34 0xf6, /* AK4671_PLL_MODE_SELECT0 (0x01) */ 35 0x00, /* AK4671_PLL_MODE_SELECT1 (0x02) */ 36 0x02, /* AK4671_FORMAT_SELECT (0x03) */ 37 0x00, /* AK4671_MIC_SIGNAL_SELECT (0x04) */ 38 0x55, /* AK4671_MIC_AMP_GAIN (0x05) */ 39 0x00, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */ 40 0x00, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */ 41 0xb5, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */ 42 0x00, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */ 43 0x00, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */ 44 0x00, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */ 45 0x00, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */ 46 0x00, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */ 47 0x00, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */ 48 0x00, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */ 49 0x00, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */ 50 0x80, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */ 51 0x91, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */ 52 0x91, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */ 53 0xe1, /* AK4671_ALC_REFERENCE_SELECT (0x14) */ 54 0x00, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */ 55 0x00, /* AK4671_ALC_TIMER_SELECT (0x16) */ 56 0x00, /* AK4671_ALC_MODE_CONTROL (0x17) */ 57 0x02, /* AK4671_MODE_CONTROL1 (0x18) */ 58 0x01, /* AK4671_MODE_CONTROL2 (0x19) */ 59 0x18, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */ 60 0x18, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */ 61 0x00, /* AK4671_SIDETONE_A_CONTROL (0x1c) */ 62 0x02, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */ 63 0x00, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */ 64 0x00, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */ 65 0x00, /* AK4671_FIL3_COEFFICIENT2 (0x20) */ 66 0x00, /* AK4671_FIL3_COEFFICIENT3 (0x21) */ 67 0x00, /* AK4671_EQ_COEFFICIENT0 (0x22) */ 68 0x00, /* AK4671_EQ_COEFFICIENT1 (0x23) */ 69 0x00, /* AK4671_EQ_COEFFICIENT2 (0x24) */ 70 0x00, /* AK4671_EQ_COEFFICIENT3 (0x25) */ 71 0x00, /* AK4671_EQ_COEFFICIENT4 (0x26) */ 72 0x00, /* AK4671_EQ_COEFFICIENT5 (0x27) */ 73 0xa9, /* AK4671_FIL1_COEFFICIENT0 (0x28) */ 74 0x1f, /* AK4671_FIL1_COEFFICIENT1 (0x29) */ 75 0xad, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */ 76 0x20, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */ 77 0x00, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */ 78 0x00, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */ 79 0x00, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */ 80 0x00, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */ 81 0x00, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */ 82 0x00, /* this register not used */ 83 0x00, /* AK4671_E1_COEFFICIENT0 (0x32) */ 84 0x00, /* AK4671_E1_COEFFICIENT1 (0x33) */ 85 0x00, /* AK4671_E1_COEFFICIENT2 (0x34) */ 86 0x00, /* AK4671_E1_COEFFICIENT3 (0x35) */ 87 0x00, /* AK4671_E1_COEFFICIENT4 (0x36) */ 88 0x00, /* AK4671_E1_COEFFICIENT5 (0x37) */ 89 0x00, /* AK4671_E2_COEFFICIENT0 (0x38) */ 90 0x00, /* AK4671_E2_COEFFICIENT1 (0x39) */ 91 0x00, /* AK4671_E2_COEFFICIENT2 (0x3a) */ 92 0x00, /* AK4671_E2_COEFFICIENT3 (0x3b) */ 93 0x00, /* AK4671_E2_COEFFICIENT4 (0x3c) */ 94 0x00, /* AK4671_E2_COEFFICIENT5 (0x3d) */ 95 0x00, /* AK4671_E3_COEFFICIENT0 (0x3e) */ 96 0x00, /* AK4671_E3_COEFFICIENT1 (0x3f) */ 97 0x00, /* AK4671_E3_COEFFICIENT2 (0x40) */ 98 0x00, /* AK4671_E3_COEFFICIENT3 (0x41) */ 99 0x00, /* AK4671_E3_COEFFICIENT4 (0x42) */ 100 0x00, /* AK4671_E3_COEFFICIENT5 (0x43) */ 101 0x00, /* AK4671_E4_COEFFICIENT0 (0x44) */ 102 0x00, /* AK4671_E4_COEFFICIENT1 (0x45) */ 103 0x00, /* AK4671_E4_COEFFICIENT2 (0x46) */ 104 0x00, /* AK4671_E4_COEFFICIENT3 (0x47) */ 105 0x00, /* AK4671_E4_COEFFICIENT4 (0x48) */ 106 0x00, /* AK4671_E4_COEFFICIENT5 (0x49) */ 107 0x00, /* AK4671_E5_COEFFICIENT0 (0x4a) */ 108 0x00, /* AK4671_E5_COEFFICIENT1 (0x4b) */ 109 0x00, /* AK4671_E5_COEFFICIENT2 (0x4c) */ 110 0x00, /* AK4671_E5_COEFFICIENT3 (0x4d) */ 111 0x00, /* AK4671_E5_COEFFICIENT4 (0x4e) */ 112 0x00, /* AK4671_E5_COEFFICIENT5 (0x4f) */ 113 0x88, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */ 114 0x88, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */ 115 0x08, /* AK4671_EQ_CONTRO_10KHZ (0x52) */ 116 0x00, /* AK4671_PCM_IF_CONTROL0 (0x53) */ 117 0x00, /* AK4671_PCM_IF_CONTROL1 (0x54) */ 118 0x00, /* AK4671_PCM_IF_CONTROL2 (0x55) */ 119 0x18, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */ 120 0x18, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */ 121 0x00, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */ 122 0x00, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */ 123 0x00, /* AK4671_SAR_ADC_CONTROL (0x5a) */ 124 }; 125 126 /* 127 * LOUT1/ROUT1 output volume control: 128 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB) 129 */ 130 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1); 131 132 /* 133 * LOUT2/ROUT2 output volume control: 134 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB) 135 */ 136 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1); 137 138 /* 139 * LOUT3/ROUT3 output volume control: 140 * from -6 to 3 dB in 3 dB steps 141 */ 142 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0); 143 144 /* 145 * Mic amp gain control: 146 * from -15 to 30 dB in 3 dB steps 147 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not 148 * available 149 */ 150 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0); 151 152 static const struct snd_kcontrol_new ak4671_snd_controls[] = { 153 /* Common playback gain controls */ 154 SOC_SINGLE_TLV("Line Output1 Playback Volume", 155 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv), 156 SOC_SINGLE_TLV("Headphone Output2 Playback Volume", 157 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv), 158 SOC_SINGLE_TLV("Line Output3 Playback Volume", 159 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv), 160 161 /* Common capture gain controls */ 162 SOC_DOUBLE_TLV("Mic Amp Capture Volume", 163 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv), 164 }; 165 166 /* event handlers */ 167 static int ak4671_out2_event(struct snd_soc_dapm_widget *w, 168 struct snd_kcontrol *kcontrol, int event) 169 { 170 struct snd_soc_codec *codec = w->codec; 171 172 switch (event) { 173 case SND_SOC_DAPM_POST_PMU: 174 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT, 175 AK4671_MUTEN, AK4671_MUTEN); 176 break; 177 case SND_SOC_DAPM_PRE_PMD: 178 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT, 179 AK4671_MUTEN, 0); 180 break; 181 } 182 183 return 0; 184 } 185 186 /* Output Mixers */ 187 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = { 188 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0), 189 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0), 190 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0), 191 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0), 192 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0), 193 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0), 194 }; 195 196 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = { 197 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0), 198 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0), 199 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0), 200 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0), 201 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0), 202 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0), 203 }; 204 205 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = { 206 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0), 207 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0), 208 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0), 209 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0), 210 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0), 211 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0), 212 }; 213 214 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = { 215 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0), 216 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0), 217 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0), 218 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0), 219 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0), 220 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0), 221 }; 222 223 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = { 224 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0), 225 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0), 226 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0), 227 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0), 228 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0), 229 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0), 230 }; 231 232 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = { 233 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0), 234 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0), 235 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0), 236 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0), 237 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0), 238 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0), 239 }; 240 241 /* Input MUXs */ 242 static const char *ak4671_lin_mux_texts[] = 243 {"LIN1", "LIN2", "LIN3", "LIN4"}; 244 static const struct soc_enum ak4671_lin_mux_enum = 245 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0, 246 ARRAY_SIZE(ak4671_lin_mux_texts), 247 ak4671_lin_mux_texts); 248 static const struct snd_kcontrol_new ak4671_lin_mux_control = 249 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum); 250 251 static const char *ak4671_rin_mux_texts[] = 252 {"RIN1", "RIN2", "RIN3", "RIN4"}; 253 static const struct soc_enum ak4671_rin_mux_enum = 254 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2, 255 ARRAY_SIZE(ak4671_rin_mux_texts), 256 ak4671_rin_mux_texts); 257 static const struct snd_kcontrol_new ak4671_rin_mux_control = 258 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum); 259 260 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = { 261 /* Inputs */ 262 SND_SOC_DAPM_INPUT("LIN1"), 263 SND_SOC_DAPM_INPUT("RIN1"), 264 SND_SOC_DAPM_INPUT("LIN2"), 265 SND_SOC_DAPM_INPUT("RIN2"), 266 SND_SOC_DAPM_INPUT("LIN3"), 267 SND_SOC_DAPM_INPUT("RIN3"), 268 SND_SOC_DAPM_INPUT("LIN4"), 269 SND_SOC_DAPM_INPUT("RIN4"), 270 271 /* Outputs */ 272 SND_SOC_DAPM_OUTPUT("LOUT1"), 273 SND_SOC_DAPM_OUTPUT("ROUT1"), 274 SND_SOC_DAPM_OUTPUT("LOUT2"), 275 SND_SOC_DAPM_OUTPUT("ROUT2"), 276 SND_SOC_DAPM_OUTPUT("LOUT3"), 277 SND_SOC_DAPM_OUTPUT("ROUT3"), 278 279 /* DAC */ 280 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback", 281 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0), 282 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback", 283 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0), 284 285 /* ADC */ 286 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture", 287 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0), 288 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture", 289 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0), 290 291 /* PGA */ 292 SND_SOC_DAPM_PGA("LOUT2 Mix Amp", 293 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0), 294 SND_SOC_DAPM_PGA("ROUT2 Mix Amp", 295 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0), 296 297 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit", 298 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0), 299 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit", 300 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0), 301 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit", 302 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0), 303 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit", 304 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0), 305 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit", 306 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0), 307 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit", 308 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0), 309 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit", 310 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0), 311 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit", 312 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0), 313 314 /* Output Mixers */ 315 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0, 316 &ak4671_lout1_mixer_controls[0], 317 ARRAY_SIZE(ak4671_lout1_mixer_controls)), 318 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0, 319 &ak4671_rout1_mixer_controls[0], 320 ARRAY_SIZE(ak4671_rout1_mixer_controls)), 321 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 322 0, 0, &ak4671_lout2_mixer_controls[0], 323 ARRAY_SIZE(ak4671_lout2_mixer_controls), 324 ak4671_out2_event, 325 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 326 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 327 1, 0, &ak4671_rout2_mixer_controls[0], 328 ARRAY_SIZE(ak4671_rout2_mixer_controls), 329 ak4671_out2_event, 330 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 331 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0, 332 &ak4671_lout3_mixer_controls[0], 333 ARRAY_SIZE(ak4671_lout3_mixer_controls)), 334 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0, 335 &ak4671_rout3_mixer_controls[0], 336 ARRAY_SIZE(ak4671_rout3_mixer_controls)), 337 338 /* Input MUXs */ 339 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0, 340 &ak4671_lin_mux_control), 341 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0, 342 &ak4671_rin_mux_control), 343 344 /* Mic Power */ 345 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0), 346 347 /* Supply */ 348 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0), 349 }; 350 351 static const struct snd_soc_dapm_route ak4671_intercon[] = { 352 {"DAC Left", "NULL", "PMPLL"}, 353 {"DAC Right", "NULL", "PMPLL"}, 354 {"ADC Left", "NULL", "PMPLL"}, 355 {"ADC Right", "NULL", "PMPLL"}, 356 357 /* Outputs */ 358 {"LOUT1", "NULL", "LOUT1 Mixer"}, 359 {"ROUT1", "NULL", "ROUT1 Mixer"}, 360 {"LOUT2", "NULL", "LOUT2 Mix Amp"}, 361 {"ROUT2", "NULL", "ROUT2 Mix Amp"}, 362 {"LOUT3", "NULL", "LOUT3 Mixer"}, 363 {"ROUT3", "NULL", "ROUT3 Mixer"}, 364 365 {"LOUT1 Mixer", "DACL", "DAC Left"}, 366 {"ROUT1 Mixer", "DACR", "DAC Right"}, 367 {"LOUT2 Mixer", "DACHL", "DAC Left"}, 368 {"ROUT2 Mixer", "DACHR", "DAC Right"}, 369 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"}, 370 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"}, 371 {"LOUT3 Mixer", "DACSL", "DAC Left"}, 372 {"ROUT3 Mixer", "DACSR", "DAC Right"}, 373 374 /* Inputs */ 375 {"LIN MUX", "LIN1", "LIN1"}, 376 {"LIN MUX", "LIN2", "LIN2"}, 377 {"LIN MUX", "LIN3", "LIN3"}, 378 {"LIN MUX", "LIN4", "LIN4"}, 379 380 {"RIN MUX", "RIN1", "RIN1"}, 381 {"RIN MUX", "RIN2", "RIN2"}, 382 {"RIN MUX", "RIN3", "RIN3"}, 383 {"RIN MUX", "RIN4", "RIN4"}, 384 385 {"LIN1", NULL, "Mic Bias"}, 386 {"RIN1", NULL, "Mic Bias"}, 387 {"LIN2", NULL, "Mic Bias"}, 388 {"RIN2", NULL, "Mic Bias"}, 389 390 {"ADC Left", "NULL", "LIN MUX"}, 391 {"ADC Right", "NULL", "RIN MUX"}, 392 393 /* Analog Loops */ 394 {"LIN1 Mixing Circuit", "NULL", "LIN1"}, 395 {"RIN1 Mixing Circuit", "NULL", "RIN1"}, 396 {"LIN2 Mixing Circuit", "NULL", "LIN2"}, 397 {"RIN2 Mixing Circuit", "NULL", "RIN2"}, 398 {"LIN3 Mixing Circuit", "NULL", "LIN3"}, 399 {"RIN3 Mixing Circuit", "NULL", "RIN3"}, 400 {"LIN4 Mixing Circuit", "NULL", "LIN4"}, 401 {"RIN4 Mixing Circuit", "NULL", "RIN4"}, 402 403 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"}, 404 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"}, 405 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"}, 406 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"}, 407 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"}, 408 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"}, 409 410 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"}, 411 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"}, 412 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"}, 413 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"}, 414 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"}, 415 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"}, 416 417 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"}, 418 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"}, 419 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"}, 420 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"}, 421 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"}, 422 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"}, 423 424 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"}, 425 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"}, 426 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"}, 427 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"}, 428 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"}, 429 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"}, 430 }; 431 432 static int ak4671_hw_params(struct snd_pcm_substream *substream, 433 struct snd_pcm_hw_params *params, 434 struct snd_soc_dai *dai) 435 { 436 struct snd_soc_codec *codec = dai->codec; 437 u8 fs; 438 439 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 440 fs &= ~AK4671_FS; 441 442 switch (params_rate(params)) { 443 case 8000: 444 fs |= AK4671_FS_8KHZ; 445 break; 446 case 12000: 447 fs |= AK4671_FS_12KHZ; 448 break; 449 case 16000: 450 fs |= AK4671_FS_16KHZ; 451 break; 452 case 24000: 453 fs |= AK4671_FS_24KHZ; 454 break; 455 case 11025: 456 fs |= AK4671_FS_11_025KHZ; 457 break; 458 case 22050: 459 fs |= AK4671_FS_22_05KHZ; 460 break; 461 case 32000: 462 fs |= AK4671_FS_32KHZ; 463 break; 464 case 44100: 465 fs |= AK4671_FS_44_1KHZ; 466 break; 467 case 48000: 468 fs |= AK4671_FS_48KHZ; 469 break; 470 default: 471 return -EINVAL; 472 } 473 474 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs); 475 476 return 0; 477 } 478 479 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 480 unsigned int freq, int dir) 481 { 482 struct snd_soc_codec *codec = dai->codec; 483 u8 pll; 484 485 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 486 pll &= ~AK4671_PLL; 487 488 switch (freq) { 489 case 11289600: 490 pll |= AK4671_PLL_11_2896MHZ; 491 break; 492 case 12000000: 493 pll |= AK4671_PLL_12MHZ; 494 break; 495 case 12288000: 496 pll |= AK4671_PLL_12_288MHZ; 497 break; 498 case 13000000: 499 pll |= AK4671_PLL_13MHZ; 500 break; 501 case 13500000: 502 pll |= AK4671_PLL_13_5MHZ; 503 break; 504 case 19200000: 505 pll |= AK4671_PLL_19_2MHZ; 506 break; 507 case 24000000: 508 pll |= AK4671_PLL_24MHZ; 509 break; 510 case 26000000: 511 pll |= AK4671_PLL_26MHZ; 512 break; 513 case 27000000: 514 pll |= AK4671_PLL_27MHZ; 515 break; 516 default: 517 return -EINVAL; 518 } 519 520 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll); 521 522 return 0; 523 } 524 525 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 526 { 527 struct snd_soc_codec *codec = dai->codec; 528 u8 mode; 529 u8 format; 530 531 /* set master/slave audio interface */ 532 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1); 533 534 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 535 case SND_SOC_DAIFMT_CBM_CFM: 536 mode |= AK4671_M_S; 537 break; 538 case SND_SOC_DAIFMT_CBM_CFS: 539 mode &= ~(AK4671_M_S); 540 break; 541 default: 542 return -EINVAL; 543 } 544 545 /* interface format */ 546 format = snd_soc_read(codec, AK4671_FORMAT_SELECT); 547 format &= ~AK4671_DIF; 548 549 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 550 case SND_SOC_DAIFMT_I2S: 551 format |= AK4671_DIF_I2S_MODE; 552 break; 553 case SND_SOC_DAIFMT_LEFT_J: 554 format |= AK4671_DIF_MSB_MODE; 555 break; 556 case SND_SOC_DAIFMT_DSP_A: 557 format |= AK4671_DIF_DSP_MODE; 558 format |= AK4671_BCKP; 559 format |= AK4671_MSBS; 560 break; 561 default: 562 return -EINVAL; 563 } 564 565 /* set mode and format */ 566 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode); 567 snd_soc_write(codec, AK4671_FORMAT_SELECT, format); 568 569 return 0; 570 } 571 572 static int ak4671_set_bias_level(struct snd_soc_codec *codec, 573 enum snd_soc_bias_level level) 574 { 575 switch (level) { 576 case SND_SOC_BIAS_ON: 577 case SND_SOC_BIAS_PREPARE: 578 case SND_SOC_BIAS_STANDBY: 579 snd_soc_update_bits(codec, AK4671_AD_DA_POWER_MANAGEMENT, 580 AK4671_PMVCM, AK4671_PMVCM); 581 break; 582 case SND_SOC_BIAS_OFF: 583 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); 584 break; 585 } 586 codec->dapm.bias_level = level; 587 return 0; 588 } 589 590 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 591 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 592 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 593 SNDRV_PCM_RATE_48000) 594 595 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE 596 597 static const struct snd_soc_dai_ops ak4671_dai_ops = { 598 .hw_params = ak4671_hw_params, 599 .set_sysclk = ak4671_set_dai_sysclk, 600 .set_fmt = ak4671_set_dai_fmt, 601 }; 602 603 static struct snd_soc_dai_driver ak4671_dai = { 604 .name = "ak4671-hifi", 605 .playback = { 606 .stream_name = "Playback", 607 .channels_min = 1, 608 .channels_max = 2, 609 .rates = AK4671_RATES, 610 .formats = AK4671_FORMATS,}, 611 .capture = { 612 .stream_name = "Capture", 613 .channels_min = 1, 614 .channels_max = 2, 615 .rates = AK4671_RATES, 616 .formats = AK4671_FORMATS,}, 617 .ops = &ak4671_dai_ops, 618 }; 619 620 static int ak4671_probe(struct snd_soc_codec *codec) 621 { 622 struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec); 623 int ret; 624 625 ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type); 626 if (ret < 0) { 627 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 628 return ret; 629 } 630 631 snd_soc_add_codec_controls(codec, ak4671_snd_controls, 632 ARRAY_SIZE(ak4671_snd_controls)); 633 634 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 635 636 return ret; 637 } 638 639 static int ak4671_remove(struct snd_soc_codec *codec) 640 { 641 ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF); 642 return 0; 643 } 644 645 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = { 646 .probe = ak4671_probe, 647 .remove = ak4671_remove, 648 .set_bias_level = ak4671_set_bias_level, 649 .reg_cache_size = AK4671_CACHEREGNUM, 650 .reg_word_size = sizeof(u8), 651 .reg_cache_default = ak4671_reg, 652 .dapm_widgets = ak4671_dapm_widgets, 653 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets), 654 .dapm_routes = ak4671_intercon, 655 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon), 656 }; 657 658 static int ak4671_i2c_probe(struct i2c_client *client, 659 const struct i2c_device_id *id) 660 { 661 struct ak4671_priv *ak4671; 662 int ret; 663 664 ak4671 = devm_kzalloc(&client->dev, sizeof(struct ak4671_priv), 665 GFP_KERNEL); 666 if (ak4671 == NULL) 667 return -ENOMEM; 668 669 i2c_set_clientdata(client, ak4671); 670 ak4671->control_type = SND_SOC_I2C; 671 672 ret = snd_soc_register_codec(&client->dev, 673 &soc_codec_dev_ak4671, &ak4671_dai, 1); 674 return ret; 675 } 676 677 static int ak4671_i2c_remove(struct i2c_client *client) 678 { 679 snd_soc_unregister_codec(&client->dev); 680 return 0; 681 } 682 683 static const struct i2c_device_id ak4671_i2c_id[] = { 684 { "ak4671", 0 }, 685 { } 686 }; 687 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); 688 689 static struct i2c_driver ak4671_i2c_driver = { 690 .driver = { 691 .name = "ak4671-codec", 692 .owner = THIS_MODULE, 693 }, 694 .probe = ak4671_i2c_probe, 695 .remove = ak4671_i2c_remove, 696 .id_table = ak4671_i2c_id, 697 }; 698 699 module_i2c_driver(ak4671_i2c_driver); 700 701 MODULE_DESCRIPTION("ASoC AK4671 codec driver"); 702 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 703 MODULE_LICENSE("GPL"); 704