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 void *control_data; 30 }; 31 32 /* ak4671 register cache & default register settings */ 33 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = { 34 0x00, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */ 35 0xf6, /* AK4671_PLL_MODE_SELECT0 (0x01) */ 36 0x00, /* AK4671_PLL_MODE_SELECT1 (0x02) */ 37 0x02, /* AK4671_FORMAT_SELECT (0x03) */ 38 0x00, /* AK4671_MIC_SIGNAL_SELECT (0x04) */ 39 0x55, /* AK4671_MIC_AMP_GAIN (0x05) */ 40 0x00, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */ 41 0x00, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */ 42 0xb5, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */ 43 0x00, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */ 44 0x00, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */ 45 0x00, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */ 46 0x00, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */ 47 0x00, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */ 48 0x00, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */ 49 0x00, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */ 50 0x00, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */ 51 0x80, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */ 52 0x91, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */ 53 0x91, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */ 54 0xe1, /* AK4671_ALC_REFERENCE_SELECT (0x14) */ 55 0x00, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */ 56 0x00, /* AK4671_ALC_TIMER_SELECT (0x16) */ 57 0x00, /* AK4671_ALC_MODE_CONTROL (0x17) */ 58 0x02, /* AK4671_MODE_CONTROL1 (0x18) */ 59 0x01, /* AK4671_MODE_CONTROL2 (0x19) */ 60 0x18, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */ 61 0x18, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */ 62 0x00, /* AK4671_SIDETONE_A_CONTROL (0x1c) */ 63 0x02, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */ 64 0x00, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */ 65 0x00, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */ 66 0x00, /* AK4671_FIL3_COEFFICIENT2 (0x20) */ 67 0x00, /* AK4671_FIL3_COEFFICIENT3 (0x21) */ 68 0x00, /* AK4671_EQ_COEFFICIENT0 (0x22) */ 69 0x00, /* AK4671_EQ_COEFFICIENT1 (0x23) */ 70 0x00, /* AK4671_EQ_COEFFICIENT2 (0x24) */ 71 0x00, /* AK4671_EQ_COEFFICIENT3 (0x25) */ 72 0x00, /* AK4671_EQ_COEFFICIENT4 (0x26) */ 73 0x00, /* AK4671_EQ_COEFFICIENT5 (0x27) */ 74 0xa9, /* AK4671_FIL1_COEFFICIENT0 (0x28) */ 75 0x1f, /* AK4671_FIL1_COEFFICIENT1 (0x29) */ 76 0xad, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */ 77 0x20, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */ 78 0x00, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */ 79 0x00, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */ 80 0x00, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */ 81 0x00, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */ 82 0x00, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */ 83 0x00, /* this register not used */ 84 0x00, /* AK4671_E1_COEFFICIENT0 (0x32) */ 85 0x00, /* AK4671_E1_COEFFICIENT1 (0x33) */ 86 0x00, /* AK4671_E1_COEFFICIENT2 (0x34) */ 87 0x00, /* AK4671_E1_COEFFICIENT3 (0x35) */ 88 0x00, /* AK4671_E1_COEFFICIENT4 (0x36) */ 89 0x00, /* AK4671_E1_COEFFICIENT5 (0x37) */ 90 0x00, /* AK4671_E2_COEFFICIENT0 (0x38) */ 91 0x00, /* AK4671_E2_COEFFICIENT1 (0x39) */ 92 0x00, /* AK4671_E2_COEFFICIENT2 (0x3a) */ 93 0x00, /* AK4671_E2_COEFFICIENT3 (0x3b) */ 94 0x00, /* AK4671_E2_COEFFICIENT4 (0x3c) */ 95 0x00, /* AK4671_E2_COEFFICIENT5 (0x3d) */ 96 0x00, /* AK4671_E3_COEFFICIENT0 (0x3e) */ 97 0x00, /* AK4671_E3_COEFFICIENT1 (0x3f) */ 98 0x00, /* AK4671_E3_COEFFICIENT2 (0x40) */ 99 0x00, /* AK4671_E3_COEFFICIENT3 (0x41) */ 100 0x00, /* AK4671_E3_COEFFICIENT4 (0x42) */ 101 0x00, /* AK4671_E3_COEFFICIENT5 (0x43) */ 102 0x00, /* AK4671_E4_COEFFICIENT0 (0x44) */ 103 0x00, /* AK4671_E4_COEFFICIENT1 (0x45) */ 104 0x00, /* AK4671_E4_COEFFICIENT2 (0x46) */ 105 0x00, /* AK4671_E4_COEFFICIENT3 (0x47) */ 106 0x00, /* AK4671_E4_COEFFICIENT4 (0x48) */ 107 0x00, /* AK4671_E4_COEFFICIENT5 (0x49) */ 108 0x00, /* AK4671_E5_COEFFICIENT0 (0x4a) */ 109 0x00, /* AK4671_E5_COEFFICIENT1 (0x4b) */ 110 0x00, /* AK4671_E5_COEFFICIENT2 (0x4c) */ 111 0x00, /* AK4671_E5_COEFFICIENT3 (0x4d) */ 112 0x00, /* AK4671_E5_COEFFICIENT4 (0x4e) */ 113 0x00, /* AK4671_E5_COEFFICIENT5 (0x4f) */ 114 0x88, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */ 115 0x88, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */ 116 0x08, /* AK4671_EQ_CONTRO_10KHZ (0x52) */ 117 0x00, /* AK4671_PCM_IF_CONTROL0 (0x53) */ 118 0x00, /* AK4671_PCM_IF_CONTROL1 (0x54) */ 119 0x00, /* AK4671_PCM_IF_CONTROL2 (0x55) */ 120 0x18, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */ 121 0x18, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */ 122 0x00, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */ 123 0x00, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */ 124 0x00, /* AK4671_SAR_ADC_CONTROL (0x5a) */ 125 }; 126 127 /* 128 * LOUT1/ROUT1 output volume control: 129 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB) 130 */ 131 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1); 132 133 /* 134 * LOUT2/ROUT2 output volume control: 135 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB) 136 */ 137 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1); 138 139 /* 140 * LOUT3/ROUT3 output volume control: 141 * from -6 to 3 dB in 3 dB steps 142 */ 143 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0); 144 145 /* 146 * Mic amp gain control: 147 * from -15 to 30 dB in 3 dB steps 148 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not 149 * available 150 */ 151 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0); 152 153 static const struct snd_kcontrol_new ak4671_snd_controls[] = { 154 /* Common playback gain controls */ 155 SOC_SINGLE_TLV("Line Output1 Playback Volume", 156 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv), 157 SOC_SINGLE_TLV("Headphone Output2 Playback Volume", 158 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv), 159 SOC_SINGLE_TLV("Line Output3 Playback Volume", 160 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv), 161 162 /* Common capture gain controls */ 163 SOC_DOUBLE_TLV("Mic Amp Capture Volume", 164 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv), 165 }; 166 167 /* event handlers */ 168 static int ak4671_out2_event(struct snd_soc_dapm_widget *w, 169 struct snd_kcontrol *kcontrol, int event) 170 { 171 struct snd_soc_codec *codec = w->codec; 172 u8 reg; 173 174 switch (event) { 175 case SND_SOC_DAPM_POST_PMU: 176 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT); 177 reg |= AK4671_MUTEN; 178 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg); 179 break; 180 case SND_SOC_DAPM_PRE_PMD: 181 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT); 182 reg &= ~AK4671_MUTEN; 183 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg); 184 break; 185 } 186 187 return 0; 188 } 189 190 /* Output Mixers */ 191 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = { 192 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0), 193 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0), 194 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0), 195 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0), 196 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0), 197 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0), 198 }; 199 200 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = { 201 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0), 202 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0), 203 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0), 204 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0), 205 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0), 206 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0), 207 }; 208 209 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = { 210 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0), 211 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0), 212 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0), 213 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0), 214 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0), 215 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0), 216 }; 217 218 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = { 219 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0), 220 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0), 221 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0), 222 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0), 223 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0), 224 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0), 225 }; 226 227 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = { 228 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0), 229 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0), 230 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0), 231 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0), 232 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0), 233 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0), 234 }; 235 236 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = { 237 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0), 238 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0), 239 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0), 240 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0), 241 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0), 242 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0), 243 }; 244 245 /* Input MUXs */ 246 static const char *ak4671_lin_mux_texts[] = 247 {"LIN1", "LIN2", "LIN3", "LIN4"}; 248 static const struct soc_enum ak4671_lin_mux_enum = 249 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0, 250 ARRAY_SIZE(ak4671_lin_mux_texts), 251 ak4671_lin_mux_texts); 252 static const struct snd_kcontrol_new ak4671_lin_mux_control = 253 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum); 254 255 static const char *ak4671_rin_mux_texts[] = 256 {"RIN1", "RIN2", "RIN3", "RIN4"}; 257 static const struct soc_enum ak4671_rin_mux_enum = 258 SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2, 259 ARRAY_SIZE(ak4671_rin_mux_texts), 260 ak4671_rin_mux_texts); 261 static const struct snd_kcontrol_new ak4671_rin_mux_control = 262 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum); 263 264 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = { 265 /* Inputs */ 266 SND_SOC_DAPM_INPUT("LIN1"), 267 SND_SOC_DAPM_INPUT("RIN1"), 268 SND_SOC_DAPM_INPUT("LIN2"), 269 SND_SOC_DAPM_INPUT("RIN2"), 270 SND_SOC_DAPM_INPUT("LIN3"), 271 SND_SOC_DAPM_INPUT("RIN3"), 272 SND_SOC_DAPM_INPUT("LIN4"), 273 SND_SOC_DAPM_INPUT("RIN4"), 274 275 /* Outputs */ 276 SND_SOC_DAPM_OUTPUT("LOUT1"), 277 SND_SOC_DAPM_OUTPUT("ROUT1"), 278 SND_SOC_DAPM_OUTPUT("LOUT2"), 279 SND_SOC_DAPM_OUTPUT("ROUT2"), 280 SND_SOC_DAPM_OUTPUT("LOUT3"), 281 SND_SOC_DAPM_OUTPUT("ROUT3"), 282 283 /* DAC */ 284 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback", 285 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0), 286 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback", 287 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0), 288 289 /* ADC */ 290 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture", 291 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0), 292 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture", 293 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0), 294 295 /* PGA */ 296 SND_SOC_DAPM_PGA("LOUT2 Mix Amp", 297 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0), 298 SND_SOC_DAPM_PGA("ROUT2 Mix Amp", 299 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0), 300 301 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit", 302 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0), 303 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit", 304 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0), 305 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit", 306 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0), 307 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit", 308 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0), 309 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit", 310 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0), 311 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit", 312 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0), 313 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit", 314 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0), 315 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit", 316 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0), 317 318 /* Output Mixers */ 319 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0, 320 &ak4671_lout1_mixer_controls[0], 321 ARRAY_SIZE(ak4671_lout1_mixer_controls)), 322 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0, 323 &ak4671_rout1_mixer_controls[0], 324 ARRAY_SIZE(ak4671_rout1_mixer_controls)), 325 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 326 0, 0, &ak4671_lout2_mixer_controls[0], 327 ARRAY_SIZE(ak4671_lout2_mixer_controls), 328 ak4671_out2_event, 329 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 330 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, 331 1, 0, &ak4671_rout2_mixer_controls[0], 332 ARRAY_SIZE(ak4671_rout2_mixer_controls), 333 ak4671_out2_event, 334 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), 335 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0, 336 &ak4671_lout3_mixer_controls[0], 337 ARRAY_SIZE(ak4671_lout3_mixer_controls)), 338 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0, 339 &ak4671_rout3_mixer_controls[0], 340 ARRAY_SIZE(ak4671_rout3_mixer_controls)), 341 342 /* Input MUXs */ 343 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0, 344 &ak4671_lin_mux_control), 345 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0, 346 &ak4671_rin_mux_control), 347 348 /* Mic Power */ 349 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0), 350 351 /* Supply */ 352 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0), 353 }; 354 355 static const struct snd_soc_dapm_route intercon[] = { 356 {"DAC Left", "NULL", "PMPLL"}, 357 {"DAC Right", "NULL", "PMPLL"}, 358 {"ADC Left", "NULL", "PMPLL"}, 359 {"ADC Right", "NULL", "PMPLL"}, 360 361 /* Outputs */ 362 {"LOUT1", "NULL", "LOUT1 Mixer"}, 363 {"ROUT1", "NULL", "ROUT1 Mixer"}, 364 {"LOUT2", "NULL", "LOUT2 Mix Amp"}, 365 {"ROUT2", "NULL", "ROUT2 Mix Amp"}, 366 {"LOUT3", "NULL", "LOUT3 Mixer"}, 367 {"ROUT3", "NULL", "ROUT3 Mixer"}, 368 369 {"LOUT1 Mixer", "DACL", "DAC Left"}, 370 {"ROUT1 Mixer", "DACR", "DAC Right"}, 371 {"LOUT2 Mixer", "DACHL", "DAC Left"}, 372 {"ROUT2 Mixer", "DACHR", "DAC Right"}, 373 {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"}, 374 {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"}, 375 {"LOUT3 Mixer", "DACSL", "DAC Left"}, 376 {"ROUT3 Mixer", "DACSR", "DAC Right"}, 377 378 /* Inputs */ 379 {"LIN MUX", "LIN1", "LIN1"}, 380 {"LIN MUX", "LIN2", "LIN2"}, 381 {"LIN MUX", "LIN3", "LIN3"}, 382 {"LIN MUX", "LIN4", "LIN4"}, 383 384 {"RIN MUX", "RIN1", "RIN1"}, 385 {"RIN MUX", "RIN2", "RIN2"}, 386 {"RIN MUX", "RIN3", "RIN3"}, 387 {"RIN MUX", "RIN4", "RIN4"}, 388 389 {"LIN1", NULL, "Mic Bias"}, 390 {"RIN1", NULL, "Mic Bias"}, 391 {"LIN2", NULL, "Mic Bias"}, 392 {"RIN2", NULL, "Mic Bias"}, 393 394 {"ADC Left", "NULL", "LIN MUX"}, 395 {"ADC Right", "NULL", "RIN MUX"}, 396 397 /* Analog Loops */ 398 {"LIN1 Mixing Circuit", "NULL", "LIN1"}, 399 {"RIN1 Mixing Circuit", "NULL", "RIN1"}, 400 {"LIN2 Mixing Circuit", "NULL", "LIN2"}, 401 {"RIN2 Mixing Circuit", "NULL", "RIN2"}, 402 {"LIN3 Mixing Circuit", "NULL", "LIN3"}, 403 {"RIN3 Mixing Circuit", "NULL", "RIN3"}, 404 {"LIN4 Mixing Circuit", "NULL", "LIN4"}, 405 {"RIN4 Mixing Circuit", "NULL", "RIN4"}, 406 407 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"}, 408 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"}, 409 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"}, 410 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"}, 411 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"}, 412 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"}, 413 414 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"}, 415 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"}, 416 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"}, 417 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"}, 418 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"}, 419 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"}, 420 421 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"}, 422 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"}, 423 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"}, 424 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"}, 425 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"}, 426 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"}, 427 428 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"}, 429 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"}, 430 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"}, 431 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"}, 432 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"}, 433 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"}, 434 }; 435 436 static int ak4671_add_widgets(struct snd_soc_codec *codec) 437 { 438 struct snd_soc_dapm_context *dapm = &codec->dapm; 439 440 snd_soc_dapm_new_controls(dapm, ak4671_dapm_widgets, 441 ARRAY_SIZE(ak4671_dapm_widgets)); 442 snd_soc_dapm_add_routes(dapm, 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->dapm.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 static struct snd_soc_dai_driver ak4671_dai = { 622 .name = "ak4671-hifi", 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 }; 637 638 static int ak4671_probe(struct snd_soc_codec *codec) 639 { 640 struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec); 641 int ret; 642 643 codec->hw_write = (hw_write_t)i2c_master_send; 644 645 ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type); 646 if (ret < 0) { 647 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 648 return ret; 649 } 650 651 snd_soc_add_controls(codec, ak4671_snd_controls, 652 ARRAY_SIZE(ak4671_snd_controls)); 653 ak4671_add_widgets(codec); 654 655 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 656 657 return ret; 658 } 659 660 static int ak4671_remove(struct snd_soc_codec *codec) 661 { 662 ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF); 663 return 0; 664 } 665 666 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = { 667 .probe = ak4671_probe, 668 .remove = ak4671_remove, 669 .set_bias_level = ak4671_set_bias_level, 670 .reg_cache_size = AK4671_CACHEREGNUM, 671 .reg_word_size = sizeof(u8), 672 .reg_cache_default = ak4671_reg, 673 }; 674 675 static int __devinit ak4671_i2c_probe(struct i2c_client *client, 676 const struct i2c_device_id *id) 677 { 678 struct ak4671_priv *ak4671; 679 int ret; 680 681 ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL); 682 if (ak4671 == NULL) 683 return -ENOMEM; 684 685 i2c_set_clientdata(client, ak4671); 686 ak4671->control_data = client; 687 ak4671->control_type = SND_SOC_I2C; 688 689 ret = snd_soc_register_codec(&client->dev, 690 &soc_codec_dev_ak4671, &ak4671_dai, 1); 691 if (ret < 0) 692 kfree(ak4671); 693 return ret; 694 } 695 696 static __devexit int ak4671_i2c_remove(struct i2c_client *client) 697 { 698 snd_soc_unregister_codec(&client->dev); 699 kfree(i2c_get_clientdata(client)); 700 return 0; 701 } 702 703 static const struct i2c_device_id ak4671_i2c_id[] = { 704 { "ak4671", 0 }, 705 { } 706 }; 707 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); 708 709 static struct i2c_driver ak4671_i2c_driver = { 710 .driver = { 711 .name = "ak4671-codec", 712 .owner = THIS_MODULE, 713 }, 714 .probe = ak4671_i2c_probe, 715 .remove = __devexit_p(ak4671_i2c_remove), 716 .id_table = ak4671_i2c_id, 717 }; 718 719 static int __init ak4671_modinit(void) 720 { 721 return i2c_add_driver(&ak4671_i2c_driver); 722 } 723 module_init(ak4671_modinit); 724 725 static void __exit ak4671_exit(void) 726 { 727 i2c_del_driver(&ak4671_i2c_driver); 728 } 729 module_exit(ak4671_exit); 730 731 MODULE_DESCRIPTION("ASoC AK4671 codec driver"); 732 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 733 MODULE_LICENSE("GPL"); 734