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 <sound/soc.h> 19 #include <sound/soc-dapm.h> 20 #include <sound/initval.h> 21 #include <sound/tlv.h> 22 23 #include "ak4671.h" 24 25 static struct snd_soc_codec *ak4671_codec; 26 27 /* codec private data */ 28 struct ak4671_priv { 29 struct snd_soc_codec codec; 30 u8 reg_cache[AK4671_CACHEREGNUM]; 31 }; 32 33 /* ak4671 register cache & default register settings */ 34 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = { 35 0x00, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */ 36 0xf6, /* AK4671_PLL_MODE_SELECT0 (0x01) */ 37 0x00, /* AK4671_PLL_MODE_SELECT1 (0x02) */ 38 0x02, /* AK4671_FORMAT_SELECT (0x03) */ 39 0x00, /* AK4671_MIC_SIGNAL_SELECT (0x04) */ 40 0x55, /* AK4671_MIC_AMP_GAIN (0x05) */ 41 0x00, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */ 42 0x00, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */ 43 0xb5, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */ 44 0x00, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */ 45 0x00, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */ 46 0x00, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */ 47 0x00, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */ 48 0x00, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */ 49 0x00, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */ 50 0x00, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */ 51 0x00, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */ 52 0x80, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */ 53 0x91, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */ 54 0x91, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */ 55 0xe1, /* AK4671_ALC_REFERENCE_SELECT (0x14) */ 56 0x00, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */ 57 0x00, /* AK4671_ALC_TIMER_SELECT (0x16) */ 58 0x00, /* AK4671_ALC_MODE_CONTROL (0x17) */ 59 0x02, /* AK4671_MODE_CONTROL1 (0x18) */ 60 0x01, /* AK4671_MODE_CONTROL2 (0x19) */ 61 0x18, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */ 62 0x18, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */ 63 0x00, /* AK4671_SIDETONE_A_CONTROL (0x1c) */ 64 0x02, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */ 65 0x00, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */ 66 0x00, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */ 67 0x00, /* AK4671_FIL3_COEFFICIENT2 (0x20) */ 68 0x00, /* AK4671_FIL3_COEFFICIENT3 (0x21) */ 69 0x00, /* AK4671_EQ_COEFFICIENT0 (0x22) */ 70 0x00, /* AK4671_EQ_COEFFICIENT1 (0x23) */ 71 0x00, /* AK4671_EQ_COEFFICIENT2 (0x24) */ 72 0x00, /* AK4671_EQ_COEFFICIENT3 (0x25) */ 73 0x00, /* AK4671_EQ_COEFFICIENT4 (0x26) */ 74 0x00, /* AK4671_EQ_COEFFICIENT5 (0x27) */ 75 0xa9, /* AK4671_FIL1_COEFFICIENT0 (0x28) */ 76 0x1f, /* AK4671_FIL1_COEFFICIENT1 (0x29) */ 77 0xad, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */ 78 0x20, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */ 79 0x00, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */ 80 0x00, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */ 81 0x00, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */ 82 0x00, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */ 83 0x00, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */ 84 0x00, /* this register not used */ 85 0x00, /* AK4671_E1_COEFFICIENT0 (0x32) */ 86 0x00, /* AK4671_E1_COEFFICIENT1 (0x33) */ 87 0x00, /* AK4671_E1_COEFFICIENT2 (0x34) */ 88 0x00, /* AK4671_E1_COEFFICIENT3 (0x35) */ 89 0x00, /* AK4671_E1_COEFFICIENT4 (0x36) */ 90 0x00, /* AK4671_E1_COEFFICIENT5 (0x37) */ 91 0x00, /* AK4671_E2_COEFFICIENT0 (0x38) */ 92 0x00, /* AK4671_E2_COEFFICIENT1 (0x39) */ 93 0x00, /* AK4671_E2_COEFFICIENT2 (0x3a) */ 94 0x00, /* AK4671_E2_COEFFICIENT3 (0x3b) */ 95 0x00, /* AK4671_E2_COEFFICIENT4 (0x3c) */ 96 0x00, /* AK4671_E2_COEFFICIENT5 (0x3d) */ 97 0x00, /* AK4671_E3_COEFFICIENT0 (0x3e) */ 98 0x00, /* AK4671_E3_COEFFICIENT1 (0x3f) */ 99 0x00, /* AK4671_E3_COEFFICIENT2 (0x40) */ 100 0x00, /* AK4671_E3_COEFFICIENT3 (0x41) */ 101 0x00, /* AK4671_E3_COEFFICIENT4 (0x42) */ 102 0x00, /* AK4671_E3_COEFFICIENT5 (0x43) */ 103 0x00, /* AK4671_E4_COEFFICIENT0 (0x44) */ 104 0x00, /* AK4671_E4_COEFFICIENT1 (0x45) */ 105 0x00, /* AK4671_E4_COEFFICIENT2 (0x46) */ 106 0x00, /* AK4671_E4_COEFFICIENT3 (0x47) */ 107 0x00, /* AK4671_E4_COEFFICIENT4 (0x48) */ 108 0x00, /* AK4671_E4_COEFFICIENT5 (0x49) */ 109 0x00, /* AK4671_E5_COEFFICIENT0 (0x4a) */ 110 0x00, /* AK4671_E5_COEFFICIENT1 (0x4b) */ 111 0x00, /* AK4671_E5_COEFFICIENT2 (0x4c) */ 112 0x00, /* AK4671_E5_COEFFICIENT3 (0x4d) */ 113 0x00, /* AK4671_E5_COEFFICIENT4 (0x4e) */ 114 0x00, /* AK4671_E5_COEFFICIENT5 (0x4f) */ 115 0x88, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */ 116 0x88, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */ 117 0x08, /* AK4671_EQ_CONTRO_10KHZ (0x52) */ 118 0x00, /* AK4671_PCM_IF_CONTROL0 (0x53) */ 119 0x00, /* AK4671_PCM_IF_CONTROL1 (0x54) */ 120 0x00, /* AK4671_PCM_IF_CONTROL2 (0x55) */ 121 0x18, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */ 122 0x18, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */ 123 0x00, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */ 124 0x00, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */ 125 0x00, /* AK4671_SAR_ADC_CONTROL (0x5a) */ 126 }; 127 128 /* 129 * LOUT1/ROUT1 output volume control: 130 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB) 131 */ 132 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1); 133 134 /* 135 * LOUT2/ROUT2 output volume control: 136 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB) 137 */ 138 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1); 139 140 /* 141 * LOUT3/ROUT3 output volume control: 142 * from -6 to 3 dB in 3 dB steps 143 */ 144 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0); 145 146 /* 147 * Mic amp gain control: 148 * from -15 to 30 dB in 3 dB steps 149 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not 150 * available 151 */ 152 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0); 153 154 static const struct snd_kcontrol_new ak4671_snd_controls[] = { 155 /* Common playback gain controls */ 156 SOC_SINGLE_TLV("Line Output1 Playback Volume", 157 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv), 158 SOC_SINGLE_TLV("Headphone Output2 Playback Volume", 159 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv), 160 SOC_SINGLE_TLV("Line Output3 Playback Volume", 161 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv), 162 163 /* Common capture gain controls */ 164 SOC_DOUBLE_TLV("Mic Amp Capture Volume", 165 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv), 166 }; 167 168 /* event handlers */ 169 static int ak4671_out2_event(struct snd_soc_dapm_widget *w, 170 struct snd_kcontrol *kcontrol, int event) 171 { 172 struct snd_soc_codec *codec = w->codec; 173 u8 reg; 174 175 switch (event) { 176 case SND_SOC_DAPM_POST_PMU: 177 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT); 178 reg |= AK4671_MUTEN; 179 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg); 180 break; 181 case SND_SOC_DAPM_PRE_PMD: 182 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT); 183 reg &= ~AK4671_MUTEN; 184 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg); 185 break; 186 } 187 188 return 0; 189 } 190 191 /* Output Mixers */ 192 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = { 193 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0), 194 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0), 195 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0), 196 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0), 197 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0), 198 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0), 199 }; 200 201 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = { 202 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0), 203 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0), 204 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0), 205 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0), 206 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0), 207 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0), 208 }; 209 210 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = { 211 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0), 212 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0), 213 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0), 214 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0), 215 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0), 216 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0), 217 }; 218 219 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = { 220 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0), 221 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0), 222 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0), 223 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0), 224 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0), 225 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0), 226 }; 227 228 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = { 229 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0), 230 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0), 231 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0), 232 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0), 233 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0), 234 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0), 235 }; 236 237 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = { 238 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0), 239 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0), 240 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0), 241 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0), 242 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0), 243 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0), 244 }; 245 246 /* Input MUXs */ 247 static const char *ak4671_lin_mux_texts[] = 248 {"LIN1", "LIN2", "LIN3", "LIN4"}; 249 static const struct soc_enum ak4671_lin_mux_enum = 250 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0, 251 ARRAY_SIZE(ak4671_lin_mux_texts), 252 ak4671_lin_mux_texts); 253 static const struct snd_kcontrol_new ak4671_lin_mux_control = 254 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum); 255 256 static const char *ak4671_rin_mux_texts[] = 257 {"RIN1", "RIN2", "RIN3", "RIN4"}; 258 static const struct soc_enum ak4671_rin_mux_enum = 259 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2, 260 ARRAY_SIZE(ak4671_rin_mux_texts), 261 ak4671_rin_mux_texts); 262 static const struct snd_kcontrol_new ak4671_rin_mux_control = 263 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum); 264 265 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = { 266 /* Inputs */ 267 SND_SOC_DAPM_INPUT("LIN1"), 268 SND_SOC_DAPM_INPUT("RIN1"), 269 SND_SOC_DAPM_INPUT("LIN2"), 270 SND_SOC_DAPM_INPUT("RIN2"), 271 SND_SOC_DAPM_INPUT("LIN3"), 272 SND_SOC_DAPM_INPUT("RIN3"), 273 SND_SOC_DAPM_INPUT("LIN4"), 274 SND_SOC_DAPM_INPUT("RIN4"), 275 276 /* Outputs */ 277 SND_SOC_DAPM_OUTPUT("LOUT1"), 278 SND_SOC_DAPM_OUTPUT("ROUT1"), 279 SND_SOC_DAPM_OUTPUT("LOUT2"), 280 SND_SOC_DAPM_OUTPUT("ROUT2"), 281 SND_SOC_DAPM_OUTPUT("LOUT3"), 282 SND_SOC_DAPM_OUTPUT("ROUT3"), 283 284 /* DAC */ 285 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback", 286 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0), 287 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback", 288 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0), 289 290 /* ADC */ 291 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture", 292 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0), 293 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture", 294 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0), 295 296 /* PGA */ 297 SND_SOC_DAPM_PGA("LOUT2 Mix Amp", 298 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0), 299 SND_SOC_DAPM_PGA("ROUT2 Mix Amp", 300 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0), 301 302 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit", 303 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0), 304 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit", 305 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0), 306 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit", 307 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0), 308 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit", 309 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0), 310 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit", 311 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0), 312 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit", 313 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0), 314 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit", 315 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0), 316 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit", 317 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0), 318 319 /* Output Mixers */ 320 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0, 321 &ak4671_lout1_mixer_controls[0], 322 ARRAY_SIZE(ak4671_lout1_mixer_controls)), 323 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0, 324 &ak4671_rout1_mixer_controls[0], 325 ARRAY_SIZE(ak4671_rout1_mixer_controls)), 326 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 327 0, 0, &ak4671_lout2_mixer_controls[0], 328 ARRAY_SIZE(ak4671_lout2_mixer_controls), 329 ak4671_out2_event, 330 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 331 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 332 1, 0, &ak4671_rout2_mixer_controls[0], 333 ARRAY_SIZE(ak4671_rout2_mixer_controls), 334 ak4671_out2_event, 335 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 336 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0, 337 &ak4671_lout3_mixer_controls[0], 338 ARRAY_SIZE(ak4671_lout3_mixer_controls)), 339 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0, 340 &ak4671_rout3_mixer_controls[0], 341 ARRAY_SIZE(ak4671_rout3_mixer_controls)), 342 343 /* Input MUXs */ 344 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0, 345 &ak4671_lin_mux_control), 346 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0, 347 &ak4671_rin_mux_control), 348 349 /* Mic Power */ 350 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0), 351 352 /* Supply */ 353 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0), 354 }; 355 356 static const struct snd_soc_dapm_route intercon[] = { 357 {"DAC Left", "NULL", "PMPLL"}, 358 {"DAC Right", "NULL", "PMPLL"}, 359 {"ADC Left", "NULL", "PMPLL"}, 360 {"ADC Right", "NULL", "PMPLL"}, 361 362 /* Outputs */ 363 {"LOUT1", "NULL", "LOUT1 Mixer"}, 364 {"ROUT1", "NULL", "ROUT1 Mixer"}, 365 {"LOUT2", "NULL", "LOUT2 Mix Amp"}, 366 {"ROUT2", "NULL", "ROUT2 Mix Amp"}, 367 {"LOUT3", "NULL", "LOUT3 Mixer"}, 368 {"ROUT3", "NULL", "ROUT3 Mixer"}, 369 370 {"LOUT1 Mixer", "DACL", "DAC Left"}, 371 {"ROUT1 Mixer", "DACR", "DAC Right"}, 372 {"LOUT2 Mixer", "DACHL", "DAC Left"}, 373 {"ROUT2 Mixer", "DACHR", "DAC Right"}, 374 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"}, 375 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"}, 376 {"LOUT3 Mixer", "DACSL", "DAC Left"}, 377 {"ROUT3 Mixer", "DACSR", "DAC Right"}, 378 379 /* Inputs */ 380 {"LIN MUX", "LIN1", "LIN1"}, 381 {"LIN MUX", "LIN2", "LIN2"}, 382 {"LIN MUX", "LIN3", "LIN3"}, 383 {"LIN MUX", "LIN4", "LIN4"}, 384 385 {"RIN MUX", "RIN1", "RIN1"}, 386 {"RIN MUX", "RIN2", "RIN2"}, 387 {"RIN MUX", "RIN3", "RIN3"}, 388 {"RIN MUX", "RIN4", "RIN4"}, 389 390 {"LIN1", NULL, "Mic Bias"}, 391 {"RIN1", NULL, "Mic Bias"}, 392 {"LIN2", NULL, "Mic Bias"}, 393 {"RIN2", NULL, "Mic Bias"}, 394 395 {"ADC Left", "NULL", "LIN MUX"}, 396 {"ADC Right", "NULL", "RIN MUX"}, 397 398 /* Analog Loops */ 399 {"LIN1 Mixing Circuit", "NULL", "LIN1"}, 400 {"RIN1 Mixing Circuit", "NULL", "RIN1"}, 401 {"LIN2 Mixing Circuit", "NULL", "LIN2"}, 402 {"RIN2 Mixing Circuit", "NULL", "RIN2"}, 403 {"LIN3 Mixing Circuit", "NULL", "LIN3"}, 404 {"RIN3 Mixing Circuit", "NULL", "RIN3"}, 405 {"LIN4 Mixing Circuit", "NULL", "LIN4"}, 406 {"RIN4 Mixing Circuit", "NULL", "RIN4"}, 407 408 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"}, 409 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"}, 410 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"}, 411 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"}, 412 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"}, 413 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"}, 414 415 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"}, 416 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"}, 417 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"}, 418 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"}, 419 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"}, 420 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"}, 421 422 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"}, 423 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"}, 424 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"}, 425 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"}, 426 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"}, 427 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"}, 428 429 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"}, 430 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"}, 431 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"}, 432 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"}, 433 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"}, 434 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"}, 435 }; 436 437 static int ak4671_add_widgets(struct snd_soc_codec *codec) 438 { 439 snd_soc_dapm_new_controls(codec, ak4671_dapm_widgets, 440 ARRAY_SIZE(ak4671_dapm_widgets)); 441 442 snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); 443 444 return 0; 445 } 446 447 static int ak4671_hw_params(struct snd_pcm_substream *substream, 448 struct snd_pcm_hw_params *params, 449 struct snd_soc_dai *dai) 450 { 451 struct snd_soc_codec *codec = dai->codec; 452 u8 fs; 453 454 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 455 fs &= ~AK4671_FS; 456 457 switch (params_rate(params)) { 458 case 8000: 459 fs |= AK4671_FS_8KHZ; 460 break; 461 case 12000: 462 fs |= AK4671_FS_12KHZ; 463 break; 464 case 16000: 465 fs |= AK4671_FS_16KHZ; 466 break; 467 case 24000: 468 fs |= AK4671_FS_24KHZ; 469 break; 470 case 11025: 471 fs |= AK4671_FS_11_025KHZ; 472 break; 473 case 22050: 474 fs |= AK4671_FS_22_05KHZ; 475 break; 476 case 32000: 477 fs |= AK4671_FS_32KHZ; 478 break; 479 case 44100: 480 fs |= AK4671_FS_44_1KHZ; 481 break; 482 case 48000: 483 fs |= AK4671_FS_48KHZ; 484 break; 485 default: 486 return -EINVAL; 487 } 488 489 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs); 490 491 return 0; 492 } 493 494 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 495 unsigned int freq, int dir) 496 { 497 struct snd_soc_codec *codec = dai->codec; 498 u8 pll; 499 500 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 501 pll &= ~AK4671_PLL; 502 503 switch (freq) { 504 case 11289600: 505 pll |= AK4671_PLL_11_2896MHZ; 506 break; 507 case 12000000: 508 pll |= AK4671_PLL_12MHZ; 509 break; 510 case 12288000: 511 pll |= AK4671_PLL_12_288MHZ; 512 break; 513 case 13000000: 514 pll |= AK4671_PLL_13MHZ; 515 break; 516 case 13500000: 517 pll |= AK4671_PLL_13_5MHZ; 518 break; 519 case 19200000: 520 pll |= AK4671_PLL_19_2MHZ; 521 break; 522 case 24000000: 523 pll |= AK4671_PLL_24MHZ; 524 break; 525 case 26000000: 526 pll |= AK4671_PLL_26MHZ; 527 break; 528 case 27000000: 529 pll |= AK4671_PLL_27MHZ; 530 break; 531 default: 532 return -EINVAL; 533 } 534 535 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll); 536 537 return 0; 538 } 539 540 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 541 { 542 struct snd_soc_codec *codec = dai->codec; 543 u8 mode; 544 u8 format; 545 546 /* set master/slave audio interface */ 547 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1); 548 549 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 550 case SND_SOC_DAIFMT_CBM_CFM: 551 mode |= AK4671_M_S; 552 break; 553 case SND_SOC_DAIFMT_CBM_CFS: 554 mode &= ~(AK4671_M_S); 555 break; 556 default: 557 return -EINVAL; 558 } 559 560 /* interface format */ 561 format = snd_soc_read(codec, AK4671_FORMAT_SELECT); 562 format &= ~AK4671_DIF; 563 564 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 565 case SND_SOC_DAIFMT_I2S: 566 format |= AK4671_DIF_I2S_MODE; 567 break; 568 case SND_SOC_DAIFMT_LEFT_J: 569 format |= AK4671_DIF_MSB_MODE; 570 break; 571 case SND_SOC_DAIFMT_DSP_A: 572 format |= AK4671_DIF_DSP_MODE; 573 format |= AK4671_BCKP; 574 format |= AK4671_MSBS; 575 break; 576 default: 577 return -EINVAL; 578 } 579 580 /* set mode and format */ 581 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode); 582 snd_soc_write(codec, AK4671_FORMAT_SELECT, format); 583 584 return 0; 585 } 586 587 static int ak4671_set_bias_level(struct snd_soc_codec *codec, 588 enum snd_soc_bias_level level) 589 { 590 u8 reg; 591 592 switch (level) { 593 case SND_SOC_BIAS_ON: 594 case SND_SOC_BIAS_PREPARE: 595 case SND_SOC_BIAS_STANDBY: 596 reg = snd_soc_read(codec, AK4671_AD_DA_POWER_MANAGEMENT); 597 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 598 reg | AK4671_PMVCM); 599 break; 600 case SND_SOC_BIAS_OFF: 601 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); 602 break; 603 } 604 codec->bias_level = level; 605 return 0; 606 } 607 608 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 609 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 610 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 611 SNDRV_PCM_RATE_48000) 612 613 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE 614 615 static struct snd_soc_dai_ops ak4671_dai_ops = { 616 .hw_params = ak4671_hw_params, 617 .set_sysclk = ak4671_set_dai_sysclk, 618 .set_fmt = ak4671_set_dai_fmt, 619 }; 620 621 struct snd_soc_dai ak4671_dai = { 622 .name = "AK4671", 623 .playback = { 624 .stream_name = "Playback", 625 .channels_min = 1, 626 .channels_max = 2, 627 .rates = AK4671_RATES, 628 .formats = AK4671_FORMATS,}, 629 .capture = { 630 .stream_name = "Capture", 631 .channels_min = 1, 632 .channels_max = 2, 633 .rates = AK4671_RATES, 634 .formats = AK4671_FORMATS,}, 635 .ops = &ak4671_dai_ops, 636 }; 637 EXPORT_SYMBOL_GPL(ak4671_dai); 638 639 static int ak4671_probe(struct platform_device *pdev) 640 { 641 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 642 struct snd_soc_codec *codec; 643 int ret = 0; 644 645 if (ak4671_codec == NULL) { 646 dev_err(&pdev->dev, "Codec device not registered\n"); 647 return -ENODEV; 648 } 649 650 socdev->card->codec = ak4671_codec; 651 codec = ak4671_codec; 652 653 /* register pcms */ 654 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 655 if (ret < 0) { 656 dev_err(codec->dev, "failed to create pcms: %d\n", ret); 657 goto pcm_err; 658 } 659 660 snd_soc_add_controls(codec, ak4671_snd_controls, 661 ARRAY_SIZE(ak4671_snd_controls)); 662 ak4671_add_widgets(codec); 663 664 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 665 666 return ret; 667 668 pcm_err: 669 return ret; 670 } 671 672 static int ak4671_remove(struct platform_device *pdev) 673 { 674 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 675 676 snd_soc_free_pcms(socdev); 677 snd_soc_dapm_free(socdev); 678 679 return 0; 680 } 681 682 struct snd_soc_codec_device soc_codec_dev_ak4671 = { 683 .probe = ak4671_probe, 684 .remove = ak4671_remove, 685 }; 686 EXPORT_SYMBOL_GPL(soc_codec_dev_ak4671); 687 688 static int ak4671_register(struct ak4671_priv *ak4671, 689 enum snd_soc_control_type control) 690 { 691 int ret; 692 struct snd_soc_codec *codec = &ak4671->codec; 693 694 if (ak4671_codec) { 695 dev_err(codec->dev, "Another AK4671 is registered\n"); 696 ret = -EINVAL; 697 goto err; 698 } 699 700 mutex_init(&codec->mutex); 701 INIT_LIST_HEAD(&codec->dapm_widgets); 702 INIT_LIST_HEAD(&codec->dapm_paths); 703 704 codec->private_data = ak4671; 705 codec->name = "AK4671"; 706 codec->owner = THIS_MODULE; 707 codec->bias_level = SND_SOC_BIAS_OFF; 708 codec->set_bias_level = ak4671_set_bias_level; 709 codec->dai = &ak4671_dai; 710 codec->num_dai = 1; 711 codec->reg_cache_size = AK4671_CACHEREGNUM; 712 codec->reg_cache = &ak4671->reg_cache; 713 714 memcpy(codec->reg_cache, ak4671_reg, sizeof(ak4671_reg)); 715 716 ret = snd_soc_codec_set_cache_io(codec, 8, 8, control); 717 if (ret < 0) { 718 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 719 goto err; 720 } 721 722 ak4671_dai.dev = codec->dev; 723 ak4671_codec = codec; 724 725 ret = snd_soc_register_codec(codec); 726 if (ret != 0) { 727 dev_err(codec->dev, "Failed to register codec: %d\n", ret); 728 goto err; 729 } 730 731 ret = snd_soc_register_dai(&ak4671_dai); 732 if (ret != 0) { 733 dev_err(codec->dev, "Failed to register DAI: %d\n", ret); 734 goto err_codec; 735 } 736 737 return 0; 738 739 err_codec: 740 snd_soc_unregister_codec(codec); 741 err: 742 kfree(ak4671); 743 return ret; 744 } 745 746 static void ak4671_unregister(struct ak4671_priv *ak4671) 747 { 748 ak4671_set_bias_level(&ak4671->codec, SND_SOC_BIAS_OFF); 749 snd_soc_unregister_dai(&ak4671_dai); 750 snd_soc_unregister_codec(&ak4671->codec); 751 kfree(ak4671); 752 ak4671_codec = NULL; 753 } 754 755 static int __devinit ak4671_i2c_probe(struct i2c_client *client, 756 const struct i2c_device_id *id) 757 { 758 struct ak4671_priv *ak4671; 759 struct snd_soc_codec *codec; 760 761 ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL); 762 if (ak4671 == NULL) 763 return -ENOMEM; 764 765 codec = &ak4671->codec; 766 codec->hw_write = (hw_write_t)i2c_master_send; 767 768 i2c_set_clientdata(client, ak4671); 769 codec->control_data = client; 770 771 codec->dev = &client->dev; 772 773 return ak4671_register(ak4671, SND_SOC_I2C); 774 } 775 776 static __devexit int ak4671_i2c_remove(struct i2c_client *client) 777 { 778 struct ak4671_priv *ak4671 = i2c_get_clientdata(client); 779 780 ak4671_unregister(ak4671); 781 782 return 0; 783 } 784 785 static const struct i2c_device_id ak4671_i2c_id[] = { 786 { "ak4671", 0 }, 787 { } 788 }; 789 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); 790 791 static struct i2c_driver ak4671_i2c_driver = { 792 .driver = { 793 .name = "ak4671", 794 .owner = THIS_MODULE, 795 }, 796 .probe = ak4671_i2c_probe, 797 .remove = __devexit_p(ak4671_i2c_remove), 798 .id_table = ak4671_i2c_id, 799 }; 800 801 static int __init ak4671_modinit(void) 802 { 803 return i2c_add_driver(&ak4671_i2c_driver); 804 } 805 module_init(ak4671_modinit); 806 807 static void __exit ak4671_exit(void) 808 { 809 i2c_del_driver(&ak4671_i2c_driver); 810 } 811 module_exit(ak4671_exit); 812 813 MODULE_DESCRIPTION("ASoC AK4671 codec driver"); 814 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 815 MODULE_LICENSE("GPL"); 816