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 ak4671_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_hw_params(struct snd_pcm_substream *substream, 437 struct snd_pcm_hw_params *params, 438 struct snd_soc_dai *dai) 439 { 440 struct snd_soc_codec *codec = dai->codec; 441 u8 fs; 442 443 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 444 fs &= ~AK4671_FS; 445 446 switch (params_rate(params)) { 447 case 8000: 448 fs |= AK4671_FS_8KHZ; 449 break; 450 case 12000: 451 fs |= AK4671_FS_12KHZ; 452 break; 453 case 16000: 454 fs |= AK4671_FS_16KHZ; 455 break; 456 case 24000: 457 fs |= AK4671_FS_24KHZ; 458 break; 459 case 11025: 460 fs |= AK4671_FS_11_025KHZ; 461 break; 462 case 22050: 463 fs |= AK4671_FS_22_05KHZ; 464 break; 465 case 32000: 466 fs |= AK4671_FS_32KHZ; 467 break; 468 case 44100: 469 fs |= AK4671_FS_44_1KHZ; 470 break; 471 case 48000: 472 fs |= AK4671_FS_48KHZ; 473 break; 474 default: 475 return -EINVAL; 476 } 477 478 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs); 479 480 return 0; 481 } 482 483 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, 484 unsigned int freq, int dir) 485 { 486 struct snd_soc_codec *codec = dai->codec; 487 u8 pll; 488 489 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0); 490 pll &= ~AK4671_PLL; 491 492 switch (freq) { 493 case 11289600: 494 pll |= AK4671_PLL_11_2896MHZ; 495 break; 496 case 12000000: 497 pll |= AK4671_PLL_12MHZ; 498 break; 499 case 12288000: 500 pll |= AK4671_PLL_12_288MHZ; 501 break; 502 case 13000000: 503 pll |= AK4671_PLL_13MHZ; 504 break; 505 case 13500000: 506 pll |= AK4671_PLL_13_5MHZ; 507 break; 508 case 19200000: 509 pll |= AK4671_PLL_19_2MHZ; 510 break; 511 case 24000000: 512 pll |= AK4671_PLL_24MHZ; 513 break; 514 case 26000000: 515 pll |= AK4671_PLL_26MHZ; 516 break; 517 case 27000000: 518 pll |= AK4671_PLL_27MHZ; 519 break; 520 default: 521 return -EINVAL; 522 } 523 524 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll); 525 526 return 0; 527 } 528 529 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 530 { 531 struct snd_soc_codec *codec = dai->codec; 532 u8 mode; 533 u8 format; 534 535 /* set master/slave audio interface */ 536 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1); 537 538 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 539 case SND_SOC_DAIFMT_CBM_CFM: 540 mode |= AK4671_M_S; 541 break; 542 case SND_SOC_DAIFMT_CBM_CFS: 543 mode &= ~(AK4671_M_S); 544 break; 545 default: 546 return -EINVAL; 547 } 548 549 /* interface format */ 550 format = snd_soc_read(codec, AK4671_FORMAT_SELECT); 551 format &= ~AK4671_DIF; 552 553 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 554 case SND_SOC_DAIFMT_I2S: 555 format |= AK4671_DIF_I2S_MODE; 556 break; 557 case SND_SOC_DAIFMT_LEFT_J: 558 format |= AK4671_DIF_MSB_MODE; 559 break; 560 case SND_SOC_DAIFMT_DSP_A: 561 format |= AK4671_DIF_DSP_MODE; 562 format |= AK4671_BCKP; 563 format |= AK4671_MSBS; 564 break; 565 default: 566 return -EINVAL; 567 } 568 569 /* set mode and format */ 570 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode); 571 snd_soc_write(codec, AK4671_FORMAT_SELECT, format); 572 573 return 0; 574 } 575 576 static int ak4671_set_bias_level(struct snd_soc_codec *codec, 577 enum snd_soc_bias_level level) 578 { 579 u8 reg; 580 581 switch (level) { 582 case SND_SOC_BIAS_ON: 583 case SND_SOC_BIAS_PREPARE: 584 case SND_SOC_BIAS_STANDBY: 585 reg = snd_soc_read(codec, AK4671_AD_DA_POWER_MANAGEMENT); 586 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 587 reg | AK4671_PMVCM); 588 break; 589 case SND_SOC_BIAS_OFF: 590 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); 591 break; 592 } 593 codec->dapm.bias_level = level; 594 return 0; 595 } 596 597 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 598 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 599 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 600 SNDRV_PCM_RATE_48000) 601 602 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE 603 604 static struct snd_soc_dai_ops ak4671_dai_ops = { 605 .hw_params = ak4671_hw_params, 606 .set_sysclk = ak4671_set_dai_sysclk, 607 .set_fmt = ak4671_set_dai_fmt, 608 }; 609 610 static struct snd_soc_dai_driver ak4671_dai = { 611 .name = "ak4671-hifi", 612 .playback = { 613 .stream_name = "Playback", 614 .channels_min = 1, 615 .channels_max = 2, 616 .rates = AK4671_RATES, 617 .formats = AK4671_FORMATS,}, 618 .capture = { 619 .stream_name = "Capture", 620 .channels_min = 1, 621 .channels_max = 2, 622 .rates = AK4671_RATES, 623 .formats = AK4671_FORMATS,}, 624 .ops = &ak4671_dai_ops, 625 }; 626 627 static int ak4671_probe(struct snd_soc_codec *codec) 628 { 629 struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec); 630 int ret; 631 632 codec->hw_write = (hw_write_t)i2c_master_send; 633 634 ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type); 635 if (ret < 0) { 636 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 637 return ret; 638 } 639 640 snd_soc_add_controls(codec, ak4671_snd_controls, 641 ARRAY_SIZE(ak4671_snd_controls)); 642 643 ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 644 645 return ret; 646 } 647 648 static int ak4671_remove(struct snd_soc_codec *codec) 649 { 650 ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF); 651 return 0; 652 } 653 654 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = { 655 .probe = ak4671_probe, 656 .remove = ak4671_remove, 657 .set_bias_level = ak4671_set_bias_level, 658 .reg_cache_size = AK4671_CACHEREGNUM, 659 .reg_word_size = sizeof(u8), 660 .reg_cache_default = ak4671_reg, 661 .dapm_widgets = ak4671_dapm_widgets, 662 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets), 663 .dapm_routes = ak4671_intercon, 664 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon), 665 }; 666 667 static int __devinit ak4671_i2c_probe(struct i2c_client *client, 668 const struct i2c_device_id *id) 669 { 670 struct ak4671_priv *ak4671; 671 int ret; 672 673 ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL); 674 if (ak4671 == NULL) 675 return -ENOMEM; 676 677 i2c_set_clientdata(client, ak4671); 678 ak4671->control_data = client; 679 ak4671->control_type = SND_SOC_I2C; 680 681 ret = snd_soc_register_codec(&client->dev, 682 &soc_codec_dev_ak4671, &ak4671_dai, 1); 683 if (ret < 0) 684 kfree(ak4671); 685 return ret; 686 } 687 688 static __devexit int ak4671_i2c_remove(struct i2c_client *client) 689 { 690 snd_soc_unregister_codec(&client->dev); 691 kfree(i2c_get_clientdata(client)); 692 return 0; 693 } 694 695 static const struct i2c_device_id ak4671_i2c_id[] = { 696 { "ak4671", 0 }, 697 { } 698 }; 699 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); 700 701 static struct i2c_driver ak4671_i2c_driver = { 702 .driver = { 703 .name = "ak4671-codec", 704 .owner = THIS_MODULE, 705 }, 706 .probe = ak4671_i2c_probe, 707 .remove = __devexit_p(ak4671_i2c_remove), 708 .id_table = ak4671_i2c_id, 709 }; 710 711 static int __init ak4671_modinit(void) 712 { 713 return i2c_add_driver(&ak4671_i2c_driver); 714 } 715 module_init(ak4671_modinit); 716 717 static void __exit ak4671_exit(void) 718 { 719 i2c_del_driver(&ak4671_i2c_driver); 720 } 721 module_exit(ak4671_exit); 722 723 MODULE_DESCRIPTION("ASoC AK4671 codec driver"); 724 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 725 MODULE_LICENSE("GPL"); 726