1 /* 2 * linux/sound/soc/codecs/tlv320aic32x4.c 3 * 4 * Copyright 2011 Vista Silicon S.L. 5 * 6 * Author: Javier Martin <javier.martin@vista-silicon.com> 7 * 8 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 23 * MA 02110-1301, USA. 24 */ 25 26 #include <linux/module.h> 27 #include <linux/moduleparam.h> 28 #include <linux/init.h> 29 #include <linux/delay.h> 30 #include <linux/pm.h> 31 #include <linux/gpio.h> 32 #include <linux/of_gpio.h> 33 #include <linux/cdev.h> 34 #include <linux/slab.h> 35 #include <linux/clk.h> 36 #include <linux/regulator/consumer.h> 37 38 #include <sound/tlv320aic32x4.h> 39 #include <sound/core.h> 40 #include <sound/pcm.h> 41 #include <sound/pcm_params.h> 42 #include <sound/soc.h> 43 #include <sound/soc-dapm.h> 44 #include <sound/initval.h> 45 #include <sound/tlv.h> 46 47 #include "tlv320aic32x4.h" 48 49 struct aic32x4_rate_divs { 50 u32 mclk; 51 u32 rate; 52 u8 p_val; 53 u8 pll_j; 54 u16 pll_d; 55 u16 dosr; 56 u8 ndac; 57 u8 mdac; 58 u8 aosr; 59 u8 nadc; 60 u8 madc; 61 u8 blck_N; 62 }; 63 64 struct aic32x4_priv { 65 struct regmap *regmap; 66 u32 sysclk; 67 u32 power_cfg; 68 u32 micpga_routing; 69 bool swapdacs; 70 int rstn_gpio; 71 struct clk *mclk; 72 73 struct regulator *supply_ldo; 74 struct regulator *supply_iov; 75 struct regulator *supply_dv; 76 struct regulator *supply_av; 77 }; 78 79 /* 0dB min, 0.5dB steps */ 80 static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0); 81 /* -63.5dB min, 0.5dB steps */ 82 static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0); 83 /* -6dB min, 1dB steps */ 84 static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0); 85 /* -12dB min, 0.5dB steps */ 86 static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); 87 88 static const struct snd_kcontrol_new aic32x4_snd_controls[] = { 89 SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, 90 AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), 91 SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN, 92 AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0, 93 tlv_driver_gain), 94 SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN, 95 AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0, 96 tlv_driver_gain), 97 SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN, 98 AIC32X4_HPRGAIN, 6, 0x01, 1), 99 SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN, 100 AIC32X4_LORGAIN, 6, 0x01, 1), 101 SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL, 102 AIC32X4_RMICPGAVOL, 7, 0x01, 1), 103 104 SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0), 105 SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0), 106 107 SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL, 108 AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol), 109 SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL, 110 AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5), 111 112 SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0), 113 114 SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0), 115 SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0), 116 SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1, 117 4, 0x07, 0), 118 SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1, 119 0, 0x03, 0), 120 SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2, 121 6, 0x03, 0), 122 SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2, 123 1, 0x1F, 0), 124 SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3, 125 0, 0x7F, 0), 126 SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4, 127 3, 0x1F, 0), 128 SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5, 129 3, 0x1F, 0), 130 SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6, 131 0, 0x1F, 0), 132 SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7, 133 0, 0x0F, 0), 134 }; 135 136 static const struct aic32x4_rate_divs aic32x4_divs[] = { 137 /* 8k rate */ 138 {AIC32X4_FREQ_12000000, 8000, 1, 7, 6800, 768, 5, 3, 128, 5, 18, 24}, 139 {AIC32X4_FREQ_24000000, 8000, 2, 7, 6800, 768, 15, 1, 64, 45, 4, 24}, 140 {AIC32X4_FREQ_25000000, 8000, 2, 7, 3728, 768, 15, 1, 64, 45, 4, 24}, 141 /* 11.025k rate */ 142 {AIC32X4_FREQ_12000000, 11025, 1, 7, 5264, 512, 8, 2, 128, 8, 8, 16}, 143 {AIC32X4_FREQ_24000000, 11025, 2, 7, 5264, 512, 16, 1, 64, 32, 4, 16}, 144 /* 16k rate */ 145 {AIC32X4_FREQ_12000000, 16000, 1, 7, 6800, 384, 5, 3, 128, 5, 9, 12}, 146 {AIC32X4_FREQ_24000000, 16000, 2, 7, 6800, 384, 15, 1, 64, 18, 5, 12}, 147 {AIC32X4_FREQ_25000000, 16000, 2, 7, 3728, 384, 15, 1, 64, 18, 5, 12}, 148 /* 22.05k rate */ 149 {AIC32X4_FREQ_12000000, 22050, 1, 7, 5264, 256, 4, 4, 128, 4, 8, 8}, 150 {AIC32X4_FREQ_24000000, 22050, 2, 7, 5264, 256, 16, 1, 64, 16, 4, 8}, 151 {AIC32X4_FREQ_25000000, 22050, 2, 7, 2253, 256, 16, 1, 64, 16, 4, 8}, 152 /* 32k rate */ 153 {AIC32X4_FREQ_12000000, 32000, 1, 7, 1680, 192, 2, 7, 64, 2, 21, 6}, 154 {AIC32X4_FREQ_24000000, 32000, 2, 7, 1680, 192, 7, 2, 64, 7, 6, 6}, 155 /* 44.1k rate */ 156 {AIC32X4_FREQ_12000000, 44100, 1, 7, 5264, 128, 2, 8, 128, 2, 8, 4}, 157 {AIC32X4_FREQ_24000000, 44100, 2, 7, 5264, 128, 8, 2, 64, 8, 4, 4}, 158 {AIC32X4_FREQ_25000000, 44100, 2, 7, 2253, 128, 8, 2, 64, 8, 4, 4}, 159 /* 48k rate */ 160 {AIC32X4_FREQ_12000000, 48000, 1, 8, 1920, 128, 2, 8, 128, 2, 8, 4}, 161 {AIC32X4_FREQ_24000000, 48000, 2, 8, 1920, 128, 8, 2, 64, 8, 4, 4}, 162 {AIC32X4_FREQ_25000000, 48000, 2, 7, 8643, 128, 8, 2, 64, 8, 4, 4}, 163 164 /* 96k rate */ 165 {AIC32X4_FREQ_25000000, 96000, 2, 7, 8643, 64, 4, 4, 64, 4, 4, 1}, 166 }; 167 168 static const struct snd_kcontrol_new hpl_output_mixer_controls[] = { 169 SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0), 170 SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0), 171 }; 172 173 static const struct snd_kcontrol_new hpr_output_mixer_controls[] = { 174 SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0), 175 SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0), 176 }; 177 178 static const struct snd_kcontrol_new lol_output_mixer_controls[] = { 179 SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0), 180 }; 181 182 static const struct snd_kcontrol_new lor_output_mixer_controls[] = { 183 SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0), 184 }; 185 186 static const char * const resistor_text[] = { 187 "Off", "10 kOhm", "20 kOhm", "40 kOhm", 188 }; 189 190 /* Left mixer pins */ 191 static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text); 192 static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text); 193 static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text); 194 static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text); 195 196 static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text); 197 static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text); 198 static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text); 199 200 static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = { 201 SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum), 202 }; 203 static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = { 204 SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum), 205 }; 206 static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = { 207 SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum), 208 }; 209 static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = { 210 SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum), 211 }; 212 static const struct snd_kcontrol_new cml_to_lmixer_controls[] = { 213 SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum), 214 }; 215 static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = { 216 SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum), 217 }; 218 static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = { 219 SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum), 220 }; 221 222 /* Right mixer pins */ 223 static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text); 224 static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text); 225 static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text); 226 static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text); 227 static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text); 228 static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text); 229 static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text); 230 231 static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = { 232 SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum), 233 }; 234 static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = { 235 SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum), 236 }; 237 static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = { 238 SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum), 239 }; 240 static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = { 241 SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum), 242 }; 243 static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = { 244 SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum), 245 }; 246 static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = { 247 SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum), 248 }; 249 static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = { 250 SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum), 251 }; 252 253 static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { 254 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0), 255 SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0, 256 &hpl_output_mixer_controls[0], 257 ARRAY_SIZE(hpl_output_mixer_controls)), 258 SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0), 259 260 SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0, 261 &lol_output_mixer_controls[0], 262 ARRAY_SIZE(lol_output_mixer_controls)), 263 SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0), 264 265 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0), 266 SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0, 267 &hpr_output_mixer_controls[0], 268 ARRAY_SIZE(hpr_output_mixer_controls)), 269 SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0), 270 SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0, 271 &lor_output_mixer_controls[0], 272 ARRAY_SIZE(lor_output_mixer_controls)), 273 SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0), 274 275 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0), 276 SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 277 in1r_to_rmixer_controls), 278 SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 279 in2r_to_rmixer_controls), 280 SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 281 in3r_to_rmixer_controls), 282 SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 283 in2l_to_rmixer_controls), 284 SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 285 cmr_to_rmixer_controls), 286 SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 287 in1l_to_rmixer_controls), 288 SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 289 in3l_to_rmixer_controls), 290 291 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0), 292 SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 293 in1l_to_lmixer_controls), 294 SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 295 in2l_to_lmixer_controls), 296 SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 297 in3l_to_lmixer_controls), 298 SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 299 in1r_to_lmixer_controls), 300 SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 301 cml_to_lmixer_controls), 302 SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 303 in2r_to_lmixer_controls), 304 SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 305 in3r_to_lmixer_controls), 306 307 SND_SOC_DAPM_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0), 308 309 SND_SOC_DAPM_OUTPUT("HPL"), 310 SND_SOC_DAPM_OUTPUT("HPR"), 311 SND_SOC_DAPM_OUTPUT("LOL"), 312 SND_SOC_DAPM_OUTPUT("LOR"), 313 SND_SOC_DAPM_INPUT("IN1_L"), 314 SND_SOC_DAPM_INPUT("IN1_R"), 315 SND_SOC_DAPM_INPUT("IN2_L"), 316 SND_SOC_DAPM_INPUT("IN2_R"), 317 SND_SOC_DAPM_INPUT("IN3_L"), 318 SND_SOC_DAPM_INPUT("IN3_R"), 319 }; 320 321 static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { 322 /* Left Output */ 323 {"HPL Output Mixer", "L_DAC Switch", "Left DAC"}, 324 {"HPL Output Mixer", "IN1_L Switch", "IN1_L"}, 325 326 {"HPL Power", NULL, "HPL Output Mixer"}, 327 {"HPL", NULL, "HPL Power"}, 328 329 {"LOL Output Mixer", "L_DAC Switch", "Left DAC"}, 330 331 {"LOL Power", NULL, "LOL Output Mixer"}, 332 {"LOL", NULL, "LOL Power"}, 333 334 /* Right Output */ 335 {"HPR Output Mixer", "R_DAC Switch", "Right DAC"}, 336 {"HPR Output Mixer", "IN1_R Switch", "IN1_R"}, 337 338 {"HPR Power", NULL, "HPR Output Mixer"}, 339 {"HPR", NULL, "HPR Power"}, 340 341 {"LOR Output Mixer", "R_DAC Switch", "Right DAC"}, 342 343 {"LOR Power", NULL, "LOR Output Mixer"}, 344 {"LOR", NULL, "LOR Power"}, 345 346 /* Right Input */ 347 {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"}, 348 {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"}, 349 {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"}, 350 {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"}, 351 352 {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"}, 353 {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"}, 354 {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"}, 355 {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"}, 356 357 {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"}, 358 {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"}, 359 {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"}, 360 {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"}, 361 362 {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"}, 363 {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"}, 364 {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"}, 365 {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"}, 366 367 {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"}, 368 {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"}, 369 {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"}, 370 {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"}, 371 372 {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"}, 373 {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"}, 374 {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"}, 375 {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"}, 376 377 {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"}, 378 {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"}, 379 {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"}, 380 {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"}, 381 382 /* Left Input */ 383 {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"}, 384 {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"}, 385 {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"}, 386 {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"}, 387 388 {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"}, 389 {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"}, 390 {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"}, 391 {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"}, 392 393 {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"}, 394 {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"}, 395 {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"}, 396 {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"}, 397 398 {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"}, 399 {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"}, 400 {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"}, 401 {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"}, 402 403 {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"}, 404 {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"}, 405 {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"}, 406 {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"}, 407 408 {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"}, 409 {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"}, 410 {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"}, 411 {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"}, 412 413 {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"}, 414 {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"}, 415 {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"}, 416 {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"}, 417 }; 418 419 static const struct regmap_range_cfg aic32x4_regmap_pages[] = { 420 { 421 .selector_reg = 0, 422 .selector_mask = 0xff, 423 .window_start = 0, 424 .window_len = 128, 425 .range_min = 0, 426 .range_max = AIC32X4_RMICPGAVOL, 427 }, 428 }; 429 430 const struct regmap_config aic32x4_regmap_config = { 431 .max_register = AIC32X4_RMICPGAVOL, 432 .ranges = aic32x4_regmap_pages, 433 .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages), 434 }; 435 EXPORT_SYMBOL(aic32x4_regmap_config); 436 437 static inline int aic32x4_get_divs(int mclk, int rate) 438 { 439 int i; 440 441 for (i = 0; i < ARRAY_SIZE(aic32x4_divs); i++) { 442 if ((aic32x4_divs[i].rate == rate) 443 && (aic32x4_divs[i].mclk == mclk)) { 444 return i; 445 } 446 } 447 printk(KERN_ERR "aic32x4: master clock and sample rate is not supported\n"); 448 return -EINVAL; 449 } 450 451 static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai, 452 int clk_id, unsigned int freq, int dir) 453 { 454 struct snd_soc_codec *codec = codec_dai->codec; 455 struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); 456 457 switch (freq) { 458 case AIC32X4_FREQ_12000000: 459 case AIC32X4_FREQ_24000000: 460 case AIC32X4_FREQ_25000000: 461 aic32x4->sysclk = freq; 462 return 0; 463 } 464 printk(KERN_ERR "aic32x4: invalid frequency to set DAI system clock\n"); 465 return -EINVAL; 466 } 467 468 static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 469 { 470 struct snd_soc_codec *codec = codec_dai->codec; 471 u8 iface_reg_1; 472 u8 iface_reg_2; 473 u8 iface_reg_3; 474 475 iface_reg_1 = snd_soc_read(codec, AIC32X4_IFACE1); 476 iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2); 477 iface_reg_2 = snd_soc_read(codec, AIC32X4_IFACE2); 478 iface_reg_2 = 0; 479 iface_reg_3 = snd_soc_read(codec, AIC32X4_IFACE3); 480 iface_reg_3 = iface_reg_3 & ~(1 << 3); 481 482 /* set master/slave audio interface */ 483 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 484 case SND_SOC_DAIFMT_CBM_CFM: 485 iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER; 486 break; 487 case SND_SOC_DAIFMT_CBS_CFS: 488 break; 489 default: 490 printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n"); 491 return -EINVAL; 492 } 493 494 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 495 case SND_SOC_DAIFMT_I2S: 496 break; 497 case SND_SOC_DAIFMT_DSP_A: 498 iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT); 499 iface_reg_3 |= (1 << 3); /* invert bit clock */ 500 iface_reg_2 = 0x01; /* add offset 1 */ 501 break; 502 case SND_SOC_DAIFMT_DSP_B: 503 iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT); 504 iface_reg_3 |= (1 << 3); /* invert bit clock */ 505 break; 506 case SND_SOC_DAIFMT_RIGHT_J: 507 iface_reg_1 |= 508 (AIC32X4_RIGHT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT); 509 break; 510 case SND_SOC_DAIFMT_LEFT_J: 511 iface_reg_1 |= 512 (AIC32X4_LEFT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT); 513 break; 514 default: 515 printk(KERN_ERR "aic32x4: invalid DAI interface format\n"); 516 return -EINVAL; 517 } 518 519 snd_soc_write(codec, AIC32X4_IFACE1, iface_reg_1); 520 snd_soc_write(codec, AIC32X4_IFACE2, iface_reg_2); 521 snd_soc_write(codec, AIC32X4_IFACE3, iface_reg_3); 522 return 0; 523 } 524 525 static int aic32x4_hw_params(struct snd_pcm_substream *substream, 526 struct snd_pcm_hw_params *params, 527 struct snd_soc_dai *dai) 528 { 529 struct snd_soc_codec *codec = dai->codec; 530 struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); 531 u8 data; 532 int i; 533 534 i = aic32x4_get_divs(aic32x4->sysclk, params_rate(params)); 535 if (i < 0) { 536 printk(KERN_ERR "aic32x4: sampling rate not supported\n"); 537 return i; 538 } 539 540 /* Use PLL as CODEC_CLKIN and DAC_MOD_CLK as BDIV_CLKIN */ 541 snd_soc_write(codec, AIC32X4_CLKMUX, AIC32X4_PLLCLKIN); 542 snd_soc_write(codec, AIC32X4_IFACE3, AIC32X4_DACMOD2BCLK); 543 544 /* We will fix R value to 1 and will make P & J=K.D as varialble */ 545 data = snd_soc_read(codec, AIC32X4_PLLPR); 546 data &= ~(7 << 4); 547 snd_soc_write(codec, AIC32X4_PLLPR, 548 (data | (aic32x4_divs[i].p_val << 4) | 0x01)); 549 550 snd_soc_write(codec, AIC32X4_PLLJ, aic32x4_divs[i].pll_j); 551 552 snd_soc_write(codec, AIC32X4_PLLDMSB, (aic32x4_divs[i].pll_d >> 8)); 553 snd_soc_write(codec, AIC32X4_PLLDLSB, 554 (aic32x4_divs[i].pll_d & 0xff)); 555 556 /* NDAC divider value */ 557 data = snd_soc_read(codec, AIC32X4_NDAC); 558 data &= ~(0x7f); 559 snd_soc_write(codec, AIC32X4_NDAC, data | aic32x4_divs[i].ndac); 560 561 /* MDAC divider value */ 562 data = snd_soc_read(codec, AIC32X4_MDAC); 563 data &= ~(0x7f); 564 snd_soc_write(codec, AIC32X4_MDAC, data | aic32x4_divs[i].mdac); 565 566 /* DOSR MSB & LSB values */ 567 snd_soc_write(codec, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8); 568 snd_soc_write(codec, AIC32X4_DOSRLSB, 569 (aic32x4_divs[i].dosr & 0xff)); 570 571 /* NADC divider value */ 572 data = snd_soc_read(codec, AIC32X4_NADC); 573 data &= ~(0x7f); 574 snd_soc_write(codec, AIC32X4_NADC, data | aic32x4_divs[i].nadc); 575 576 /* MADC divider value */ 577 data = snd_soc_read(codec, AIC32X4_MADC); 578 data &= ~(0x7f); 579 snd_soc_write(codec, AIC32X4_MADC, data | aic32x4_divs[i].madc); 580 581 /* AOSR value */ 582 snd_soc_write(codec, AIC32X4_AOSR, aic32x4_divs[i].aosr); 583 584 /* BCLK N divider */ 585 data = snd_soc_read(codec, AIC32X4_BCLKN); 586 data &= ~(0x7f); 587 snd_soc_write(codec, AIC32X4_BCLKN, data | aic32x4_divs[i].blck_N); 588 589 data = snd_soc_read(codec, AIC32X4_IFACE1); 590 data = data & ~(3 << 4); 591 switch (params_width(params)) { 592 case 16: 593 break; 594 case 20: 595 data |= (AIC32X4_WORD_LEN_20BITS << AIC32X4_DOSRMSB_SHIFT); 596 break; 597 case 24: 598 data |= (AIC32X4_WORD_LEN_24BITS << AIC32X4_DOSRMSB_SHIFT); 599 break; 600 case 32: 601 data |= (AIC32X4_WORD_LEN_32BITS << AIC32X4_DOSRMSB_SHIFT); 602 break; 603 } 604 snd_soc_write(codec, AIC32X4_IFACE1, data); 605 606 if (params_channels(params) == 1) { 607 data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN; 608 } else { 609 if (aic32x4->swapdacs) 610 data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN; 611 else 612 data = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN; 613 } 614 snd_soc_update_bits(codec, AIC32X4_DACSETUP, AIC32X4_DAC_CHAN_MASK, 615 data); 616 617 return 0; 618 } 619 620 static int aic32x4_mute(struct snd_soc_dai *dai, int mute) 621 { 622 struct snd_soc_codec *codec = dai->codec; 623 u8 dac_reg; 624 625 dac_reg = snd_soc_read(codec, AIC32X4_DACMUTE) & ~AIC32X4_MUTEON; 626 if (mute) 627 snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg | AIC32X4_MUTEON); 628 else 629 snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg); 630 return 0; 631 } 632 633 static int aic32x4_set_bias_level(struct snd_soc_codec *codec, 634 enum snd_soc_bias_level level) 635 { 636 struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); 637 int ret; 638 639 switch (level) { 640 case SND_SOC_BIAS_ON: 641 /* Switch on master clock */ 642 ret = clk_prepare_enable(aic32x4->mclk); 643 if (ret) { 644 dev_err(codec->dev, "Failed to enable master clock\n"); 645 return ret; 646 } 647 648 /* Switch on PLL */ 649 snd_soc_update_bits(codec, AIC32X4_PLLPR, 650 AIC32X4_PLLEN, AIC32X4_PLLEN); 651 652 /* Switch on NDAC Divider */ 653 snd_soc_update_bits(codec, AIC32X4_NDAC, 654 AIC32X4_NDACEN, AIC32X4_NDACEN); 655 656 /* Switch on MDAC Divider */ 657 snd_soc_update_bits(codec, AIC32X4_MDAC, 658 AIC32X4_MDACEN, AIC32X4_MDACEN); 659 660 /* Switch on NADC Divider */ 661 snd_soc_update_bits(codec, AIC32X4_NADC, 662 AIC32X4_NADCEN, AIC32X4_NADCEN); 663 664 /* Switch on MADC Divider */ 665 snd_soc_update_bits(codec, AIC32X4_MADC, 666 AIC32X4_MADCEN, AIC32X4_MADCEN); 667 668 /* Switch on BCLK_N Divider */ 669 snd_soc_update_bits(codec, AIC32X4_BCLKN, 670 AIC32X4_BCLKEN, AIC32X4_BCLKEN); 671 break; 672 case SND_SOC_BIAS_PREPARE: 673 break; 674 case SND_SOC_BIAS_STANDBY: 675 /* Switch off BCLK_N Divider */ 676 snd_soc_update_bits(codec, AIC32X4_BCLKN, 677 AIC32X4_BCLKEN, 0); 678 679 /* Switch off MADC Divider */ 680 snd_soc_update_bits(codec, AIC32X4_MADC, 681 AIC32X4_MADCEN, 0); 682 683 /* Switch off NADC Divider */ 684 snd_soc_update_bits(codec, AIC32X4_NADC, 685 AIC32X4_NADCEN, 0); 686 687 /* Switch off MDAC Divider */ 688 snd_soc_update_bits(codec, AIC32X4_MDAC, 689 AIC32X4_MDACEN, 0); 690 691 /* Switch off NDAC Divider */ 692 snd_soc_update_bits(codec, AIC32X4_NDAC, 693 AIC32X4_NDACEN, 0); 694 695 /* Switch off PLL */ 696 snd_soc_update_bits(codec, AIC32X4_PLLPR, 697 AIC32X4_PLLEN, 0); 698 699 /* Switch off master clock */ 700 clk_disable_unprepare(aic32x4->mclk); 701 break; 702 case SND_SOC_BIAS_OFF: 703 break; 704 } 705 return 0; 706 } 707 708 #define AIC32X4_RATES SNDRV_PCM_RATE_8000_96000 709 #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \ 710 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) 711 712 static const struct snd_soc_dai_ops aic32x4_ops = { 713 .hw_params = aic32x4_hw_params, 714 .digital_mute = aic32x4_mute, 715 .set_fmt = aic32x4_set_dai_fmt, 716 .set_sysclk = aic32x4_set_dai_sysclk, 717 }; 718 719 static struct snd_soc_dai_driver aic32x4_dai = { 720 .name = "tlv320aic32x4-hifi", 721 .playback = { 722 .stream_name = "Playback", 723 .channels_min = 1, 724 .channels_max = 2, 725 .rates = AIC32X4_RATES, 726 .formats = AIC32X4_FORMATS,}, 727 .capture = { 728 .stream_name = "Capture", 729 .channels_min = 1, 730 .channels_max = 2, 731 .rates = AIC32X4_RATES, 732 .formats = AIC32X4_FORMATS,}, 733 .ops = &aic32x4_ops, 734 .symmetric_rates = 1, 735 }; 736 737 static int aic32x4_codec_probe(struct snd_soc_codec *codec) 738 { 739 struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); 740 u32 tmp_reg; 741 742 if (gpio_is_valid(aic32x4->rstn_gpio)) { 743 ndelay(10); 744 gpio_set_value(aic32x4->rstn_gpio, 1); 745 } 746 747 snd_soc_write(codec, AIC32X4_RESET, 0x01); 748 749 /* Power platform configuration */ 750 if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) { 751 snd_soc_write(codec, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN | 752 AIC32X4_MICBIAS_2075V); 753 } 754 if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) 755 snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE); 756 757 tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ? 758 AIC32X4_LDOCTLEN : 0; 759 snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg); 760 761 tmp_reg = snd_soc_read(codec, AIC32X4_CMMODE); 762 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) 763 tmp_reg |= AIC32X4_LDOIN_18_36; 764 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED) 765 tmp_reg |= AIC32X4_LDOIN2HP; 766 snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg); 767 768 /* Mic PGA routing */ 769 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) 770 snd_soc_write(codec, AIC32X4_LMICPGANIN, 771 AIC32X4_LMICPGANIN_IN2R_10K); 772 else 773 snd_soc_write(codec, AIC32X4_LMICPGANIN, 774 AIC32X4_LMICPGANIN_CM1L_10K); 775 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K) 776 snd_soc_write(codec, AIC32X4_RMICPGANIN, 777 AIC32X4_RMICPGANIN_IN1L_10K); 778 else 779 snd_soc_write(codec, AIC32X4_RMICPGANIN, 780 AIC32X4_RMICPGANIN_CM1R_10K); 781 782 /* 783 * Workaround: for an unknown reason, the ADC needs to be powered up 784 * and down for the first capture to work properly. It seems related to 785 * a HW BUG or some kind of behavior not documented in the datasheet. 786 */ 787 tmp_reg = snd_soc_read(codec, AIC32X4_ADCSETUP); 788 snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg | 789 AIC32X4_LADC_EN | AIC32X4_RADC_EN); 790 snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg); 791 792 return 0; 793 } 794 795 static struct snd_soc_codec_driver soc_codec_dev_aic32x4 = { 796 .probe = aic32x4_codec_probe, 797 .set_bias_level = aic32x4_set_bias_level, 798 .suspend_bias_off = true, 799 800 .controls = aic32x4_snd_controls, 801 .num_controls = ARRAY_SIZE(aic32x4_snd_controls), 802 .dapm_widgets = aic32x4_dapm_widgets, 803 .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), 804 .dapm_routes = aic32x4_dapm_routes, 805 .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), 806 }; 807 808 static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4, 809 struct device_node *np) 810 { 811 aic32x4->swapdacs = false; 812 aic32x4->micpga_routing = 0; 813 aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0); 814 815 return 0; 816 } 817 818 static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4) 819 { 820 regulator_disable(aic32x4->supply_iov); 821 822 if (!IS_ERR(aic32x4->supply_ldo)) 823 regulator_disable(aic32x4->supply_ldo); 824 825 if (!IS_ERR(aic32x4->supply_dv)) 826 regulator_disable(aic32x4->supply_dv); 827 828 if (!IS_ERR(aic32x4->supply_av)) 829 regulator_disable(aic32x4->supply_av); 830 } 831 832 static int aic32x4_setup_regulators(struct device *dev, 833 struct aic32x4_priv *aic32x4) 834 { 835 int ret = 0; 836 837 aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin"); 838 aic32x4->supply_iov = devm_regulator_get(dev, "iov"); 839 aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv"); 840 aic32x4->supply_av = devm_regulator_get_optional(dev, "av"); 841 842 /* Check if the regulator requirements are fulfilled */ 843 844 if (IS_ERR(aic32x4->supply_iov)) { 845 dev_err(dev, "Missing supply 'iov'\n"); 846 return PTR_ERR(aic32x4->supply_iov); 847 } 848 849 if (IS_ERR(aic32x4->supply_ldo)) { 850 if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER) 851 return -EPROBE_DEFER; 852 853 if (IS_ERR(aic32x4->supply_dv)) { 854 dev_err(dev, "Missing supply 'dv' or 'ldoin'\n"); 855 return PTR_ERR(aic32x4->supply_dv); 856 } 857 if (IS_ERR(aic32x4->supply_av)) { 858 dev_err(dev, "Missing supply 'av' or 'ldoin'\n"); 859 return PTR_ERR(aic32x4->supply_av); 860 } 861 } else { 862 if (IS_ERR(aic32x4->supply_dv) && 863 PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER) 864 return -EPROBE_DEFER; 865 if (IS_ERR(aic32x4->supply_av) && 866 PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER) 867 return -EPROBE_DEFER; 868 } 869 870 ret = regulator_enable(aic32x4->supply_iov); 871 if (ret) { 872 dev_err(dev, "Failed to enable regulator iov\n"); 873 return ret; 874 } 875 876 if (!IS_ERR(aic32x4->supply_ldo)) { 877 ret = regulator_enable(aic32x4->supply_ldo); 878 if (ret) { 879 dev_err(dev, "Failed to enable regulator ldo\n"); 880 goto error_ldo; 881 } 882 } 883 884 if (!IS_ERR(aic32x4->supply_dv)) { 885 ret = regulator_enable(aic32x4->supply_dv); 886 if (ret) { 887 dev_err(dev, "Failed to enable regulator dv\n"); 888 goto error_dv; 889 } 890 } 891 892 if (!IS_ERR(aic32x4->supply_av)) { 893 ret = regulator_enable(aic32x4->supply_av); 894 if (ret) { 895 dev_err(dev, "Failed to enable regulator av\n"); 896 goto error_av; 897 } 898 } 899 900 if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av)) 901 aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE; 902 903 return 0; 904 905 error_av: 906 if (!IS_ERR(aic32x4->supply_dv)) 907 regulator_disable(aic32x4->supply_dv); 908 909 error_dv: 910 if (!IS_ERR(aic32x4->supply_ldo)) 911 regulator_disable(aic32x4->supply_ldo); 912 913 error_ldo: 914 regulator_disable(aic32x4->supply_iov); 915 return ret; 916 } 917 918 int aic32x4_probe(struct device *dev, struct regmap *regmap) 919 { 920 struct aic32x4_priv *aic32x4; 921 struct aic32x4_pdata *pdata = dev->platform_data; 922 struct device_node *np = dev->of_node; 923 int ret; 924 925 if (IS_ERR(regmap)) 926 return PTR_ERR(regmap); 927 928 aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv), 929 GFP_KERNEL); 930 if (aic32x4 == NULL) 931 return -ENOMEM; 932 933 dev_set_drvdata(dev, aic32x4); 934 935 if (pdata) { 936 aic32x4->power_cfg = pdata->power_cfg; 937 aic32x4->swapdacs = pdata->swapdacs; 938 aic32x4->micpga_routing = pdata->micpga_routing; 939 aic32x4->rstn_gpio = pdata->rstn_gpio; 940 } else if (np) { 941 ret = aic32x4_parse_dt(aic32x4, np); 942 if (ret) { 943 dev_err(dev, "Failed to parse DT node\n"); 944 return ret; 945 } 946 } else { 947 aic32x4->power_cfg = 0; 948 aic32x4->swapdacs = false; 949 aic32x4->micpga_routing = 0; 950 aic32x4->rstn_gpio = -1; 951 } 952 953 aic32x4->mclk = devm_clk_get(dev, "mclk"); 954 if (IS_ERR(aic32x4->mclk)) { 955 dev_err(dev, "Failed getting the mclk. The current implementation does not support the usage of this codec without mclk\n"); 956 return PTR_ERR(aic32x4->mclk); 957 } 958 959 if (gpio_is_valid(aic32x4->rstn_gpio)) { 960 ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio, 961 GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn"); 962 if (ret != 0) 963 return ret; 964 } 965 966 ret = aic32x4_setup_regulators(dev, aic32x4); 967 if (ret) { 968 dev_err(dev, "Failed to setup regulators\n"); 969 return ret; 970 } 971 972 ret = snd_soc_register_codec(dev, 973 &soc_codec_dev_aic32x4, &aic32x4_dai, 1); 974 if (ret) { 975 dev_err(dev, "Failed to register codec\n"); 976 aic32x4_disable_regulators(aic32x4); 977 return ret; 978 } 979 980 return 0; 981 } 982 EXPORT_SYMBOL(aic32x4_probe); 983 984 int aic32x4_remove(struct device *dev) 985 { 986 struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev); 987 988 aic32x4_disable_regulators(aic32x4); 989 990 snd_soc_unregister_codec(dev); 991 992 return 0; 993 } 994 EXPORT_SYMBOL(aic32x4_remove); 995 996 MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver"); 997 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); 998 MODULE_LICENSE("GPL"); 999