1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * linux/sound/soc/codecs/tlv320aic32x4.c 4 * 5 * Copyright 2011 Vista Silicon S.L. 6 * 7 * Author: Javier Martin <javier.martin@vista-silicon.com> 8 * 9 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. 10 */ 11 12 #include <linux/module.h> 13 #include <linux/moduleparam.h> 14 #include <linux/init.h> 15 #include <linux/delay.h> 16 #include <linux/pm.h> 17 #include <linux/gpio.h> 18 #include <linux/of_gpio.h> 19 #include <linux/cdev.h> 20 #include <linux/slab.h> 21 #include <linux/clk.h> 22 #include <linux/of_clk.h> 23 #include <linux/regulator/consumer.h> 24 25 #include <sound/tlv320aic32x4.h> 26 #include <sound/core.h> 27 #include <sound/pcm.h> 28 #include <sound/pcm_params.h> 29 #include <sound/soc.h> 30 #include <sound/soc-dapm.h> 31 #include <sound/initval.h> 32 #include <sound/tlv.h> 33 34 #include "tlv320aic32x4.h" 35 36 struct aic32x4_priv { 37 struct regmap *regmap; 38 u32 power_cfg; 39 u32 micpga_routing; 40 bool swapdacs; 41 int rstn_gpio; 42 const char *mclk_name; 43 44 struct regulator *supply_ldo; 45 struct regulator *supply_iov; 46 struct regulator *supply_dv; 47 struct regulator *supply_av; 48 49 struct aic32x4_setup_data *setup; 50 struct device *dev; 51 }; 52 53 static int aic32x4_reset_adc(struct snd_soc_dapm_widget *w, 54 struct snd_kcontrol *kcontrol, int event) 55 { 56 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 57 u32 adc_reg; 58 59 /* 60 * Workaround: the datasheet does not mention a required programming 61 * sequence but experiments show the ADC needs to be reset after each 62 * capture to avoid audible artifacts. 63 */ 64 switch (event) { 65 case SND_SOC_DAPM_POST_PMD: 66 adc_reg = snd_soc_component_read(component, AIC32X4_ADCSETUP); 67 snd_soc_component_write(component, AIC32X4_ADCSETUP, adc_reg | 68 AIC32X4_LADC_EN | AIC32X4_RADC_EN); 69 snd_soc_component_write(component, AIC32X4_ADCSETUP, adc_reg); 70 break; 71 } 72 return 0; 73 }; 74 75 static int mic_bias_event(struct snd_soc_dapm_widget *w, 76 struct snd_kcontrol *kcontrol, int event) 77 { 78 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 79 80 switch (event) { 81 case SND_SOC_DAPM_POST_PMU: 82 /* Change Mic Bias Registor */ 83 snd_soc_component_update_bits(component, AIC32X4_MICBIAS, 84 AIC32x4_MICBIAS_MASK, 85 AIC32X4_MICBIAS_LDOIN | 86 AIC32X4_MICBIAS_2075V); 87 printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__); 88 break; 89 case SND_SOC_DAPM_PRE_PMD: 90 snd_soc_component_update_bits(component, AIC32X4_MICBIAS, 91 AIC32x4_MICBIAS_MASK, 0); 92 printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n", 93 __func__); 94 break; 95 } 96 97 return 0; 98 } 99 100 101 static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol, 102 struct snd_ctl_elem_value *ucontrol) 103 { 104 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 105 u8 val; 106 107 val = snd_soc_component_read(component, AIC32X4_DINCTL); 108 109 ucontrol->value.integer.value[0] = (val & 0x01); 110 111 return 0; 112 }; 113 114 static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol, 115 struct snd_ctl_elem_value *ucontrol) 116 { 117 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 118 u8 val; 119 u8 gpio_check; 120 121 val = snd_soc_component_read(component, AIC32X4_DOUTCTL); 122 gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED); 123 if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) { 124 printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n", 125 __func__); 126 return -EINVAL; 127 } 128 129 if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH)) 130 return 0; 131 132 if (ucontrol->value.integer.value[0]) 133 val |= ucontrol->value.integer.value[0]; 134 else 135 val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH; 136 137 snd_soc_component_write(component, AIC32X4_DOUTCTL, val); 138 139 return 0; 140 }; 141 142 static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol, 143 struct snd_ctl_elem_value *ucontrol) 144 { 145 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 146 u8 val; 147 148 val = snd_soc_component_read(component, AIC32X4_SCLKCTL); 149 150 ucontrol->value.integer.value[0] = (val & 0x01); 151 152 return 0; 153 }; 154 155 static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol, 156 struct snd_ctl_elem_value *ucontrol) 157 { 158 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 159 u8 val; 160 u8 gpio_check; 161 162 val = snd_soc_component_read(component, AIC32X4_MISOCTL); 163 gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED); 164 if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) { 165 printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n", 166 __func__); 167 return -EINVAL; 168 } 169 170 if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH)) 171 return 0; 172 173 if (ucontrol->value.integer.value[0]) 174 val |= ucontrol->value.integer.value[0]; 175 else 176 val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH; 177 178 snd_soc_component_write(component, AIC32X4_MISOCTL, val); 179 180 return 0; 181 }; 182 183 static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol, 184 struct snd_ctl_elem_value *ucontrol) 185 { 186 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 187 u8 val; 188 189 val = snd_soc_component_read(component, AIC32X4_GPIOCTL); 190 ucontrol->value.integer.value[0] = ((val & 0x2) >> 1); 191 192 return 0; 193 }; 194 195 static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol, 196 struct snd_ctl_elem_value *ucontrol) 197 { 198 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 199 u8 val; 200 u8 gpio_check; 201 202 val = snd_soc_component_read(component, AIC32X4_GPIOCTL); 203 gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT); 204 if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) { 205 printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n", 206 __func__); 207 return -EINVAL; 208 } 209 210 if (ucontrol->value.integer.value[0] == (val & 0x1)) 211 return 0; 212 213 if (ucontrol->value.integer.value[0]) 214 val |= ucontrol->value.integer.value[0]; 215 else 216 val &= 0xfe; 217 218 snd_soc_component_write(component, AIC32X4_GPIOCTL, val); 219 220 return 0; 221 }; 222 223 static const struct snd_kcontrol_new aic32x4_mfp1[] = { 224 SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL), 225 }; 226 227 static const struct snd_kcontrol_new aic32x4_mfp2[] = { 228 SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio), 229 }; 230 231 static const struct snd_kcontrol_new aic32x4_mfp3[] = { 232 SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL), 233 }; 234 235 static const struct snd_kcontrol_new aic32x4_mfp4[] = { 236 SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio), 237 }; 238 239 static const struct snd_kcontrol_new aic32x4_mfp5[] = { 240 SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio, 241 aic32x4_set_mfp5_gpio), 242 }; 243 244 /* 0dB min, 0.5dB steps */ 245 static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0); 246 /* -63.5dB min, 0.5dB steps */ 247 static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0); 248 /* -6dB min, 1dB steps */ 249 static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0); 250 /* -12dB min, 0.5dB steps */ 251 static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); 252 253 static const char * const lo_cm_text[] = { 254 "Full Chip", "1.65V", 255 }; 256 257 static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text); 258 259 static const char * const ptm_text[] = { 260 "P3", "P2", "P1", 261 }; 262 263 static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text); 264 static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_text); 265 266 static const struct snd_kcontrol_new aic32x4_snd_controls[] = { 267 SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, 268 AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), 269 SOC_ENUM("DAC Left Playback PowerTune Switch", l_ptm_enum), 270 SOC_ENUM("DAC Right Playback PowerTune Switch", r_ptm_enum), 271 SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN, 272 AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0, 273 tlv_driver_gain), 274 SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN, 275 AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0, 276 tlv_driver_gain), 277 SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN, 278 AIC32X4_HPRGAIN, 6, 0x01, 1), 279 SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN, 280 AIC32X4_LORGAIN, 6, 0x01, 1), 281 SOC_ENUM("LO Playback Common Mode Switch", lo_cm_enum), 282 SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL, 283 AIC32X4_RMICPGAVOL, 7, 0x01, 1), 284 285 SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0), 286 SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0), 287 288 SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL, 289 AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol), 290 SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL, 291 AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5), 292 293 SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0), 294 295 SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0), 296 SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0), 297 SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1, 298 4, 0x07, 0), 299 SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1, 300 0, 0x03, 0), 301 SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2, 302 6, 0x03, 0), 303 SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2, 304 1, 0x1F, 0), 305 SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3, 306 0, 0x7F, 0), 307 SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4, 308 3, 0x1F, 0), 309 SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5, 310 3, 0x1F, 0), 311 SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6, 312 0, 0x1F, 0), 313 SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7, 314 0, 0x0F, 0), 315 }; 316 317 static const struct snd_kcontrol_new hpl_output_mixer_controls[] = { 318 SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0), 319 SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0), 320 }; 321 322 static const struct snd_kcontrol_new hpr_output_mixer_controls[] = { 323 SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0), 324 SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0), 325 }; 326 327 static const struct snd_kcontrol_new lol_output_mixer_controls[] = { 328 SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0), 329 }; 330 331 static const struct snd_kcontrol_new lor_output_mixer_controls[] = { 332 SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0), 333 }; 334 335 static const char * const resistor_text[] = { 336 "Off", "10 kOhm", "20 kOhm", "40 kOhm", 337 }; 338 339 /* Left mixer pins */ 340 static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text); 341 static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text); 342 static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text); 343 static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text); 344 345 static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text); 346 static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text); 347 static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text); 348 349 static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = { 350 SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum), 351 }; 352 static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = { 353 SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum), 354 }; 355 static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = { 356 SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum), 357 }; 358 static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = { 359 SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum), 360 }; 361 static const struct snd_kcontrol_new cml_to_lmixer_controls[] = { 362 SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum), 363 }; 364 static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = { 365 SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum), 366 }; 367 static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = { 368 SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum), 369 }; 370 371 /* Right mixer pins */ 372 static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text); 373 static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text); 374 static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text); 375 static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text); 376 static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text); 377 static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text); 378 static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text); 379 380 static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = { 381 SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum), 382 }; 383 static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = { 384 SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum), 385 }; 386 static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = { 387 SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum), 388 }; 389 static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = { 390 SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum), 391 }; 392 static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = { 393 SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum), 394 }; 395 static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = { 396 SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum), 397 }; 398 static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = { 399 SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum), 400 }; 401 402 static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { 403 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0), 404 SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0, 405 &hpl_output_mixer_controls[0], 406 ARRAY_SIZE(hpl_output_mixer_controls)), 407 SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0), 408 409 SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0, 410 &lol_output_mixer_controls[0], 411 ARRAY_SIZE(lol_output_mixer_controls)), 412 SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0), 413 414 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0), 415 SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0, 416 &hpr_output_mixer_controls[0], 417 ARRAY_SIZE(hpr_output_mixer_controls)), 418 SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0), 419 SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0, 420 &lor_output_mixer_controls[0], 421 ARRAY_SIZE(lor_output_mixer_controls)), 422 SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0), 423 424 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0), 425 SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 426 in1r_to_rmixer_controls), 427 SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 428 in2r_to_rmixer_controls), 429 SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 430 in3r_to_rmixer_controls), 431 SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 432 in2l_to_rmixer_controls), 433 SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 434 cmr_to_rmixer_controls), 435 SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 436 in1l_to_rmixer_controls), 437 SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 438 in3l_to_rmixer_controls), 439 440 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0), 441 SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 442 in1l_to_lmixer_controls), 443 SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 444 in2l_to_lmixer_controls), 445 SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 446 in3l_to_lmixer_controls), 447 SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 448 in1r_to_lmixer_controls), 449 SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 450 cml_to_lmixer_controls), 451 SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 452 in2r_to_lmixer_controls), 453 SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 454 in3r_to_lmixer_controls), 455 456 SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event, 457 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 458 459 SND_SOC_DAPM_POST("ADC Reset", aic32x4_reset_adc), 460 461 SND_SOC_DAPM_OUTPUT("HPL"), 462 SND_SOC_DAPM_OUTPUT("HPR"), 463 SND_SOC_DAPM_OUTPUT("LOL"), 464 SND_SOC_DAPM_OUTPUT("LOR"), 465 SND_SOC_DAPM_INPUT("IN1_L"), 466 SND_SOC_DAPM_INPUT("IN1_R"), 467 SND_SOC_DAPM_INPUT("IN2_L"), 468 SND_SOC_DAPM_INPUT("IN2_R"), 469 SND_SOC_DAPM_INPUT("IN3_L"), 470 SND_SOC_DAPM_INPUT("IN3_R"), 471 SND_SOC_DAPM_INPUT("CM_L"), 472 SND_SOC_DAPM_INPUT("CM_R"), 473 }; 474 475 static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { 476 /* Left Output */ 477 {"HPL Output Mixer", "L_DAC Switch", "Left DAC"}, 478 {"HPL Output Mixer", "IN1_L Switch", "IN1_L"}, 479 480 {"HPL Power", NULL, "HPL Output Mixer"}, 481 {"HPL", NULL, "HPL Power"}, 482 483 {"LOL Output Mixer", "L_DAC Switch", "Left DAC"}, 484 485 {"LOL Power", NULL, "LOL Output Mixer"}, 486 {"LOL", NULL, "LOL Power"}, 487 488 /* Right Output */ 489 {"HPR Output Mixer", "R_DAC Switch", "Right DAC"}, 490 {"HPR Output Mixer", "IN1_R Switch", "IN1_R"}, 491 492 {"HPR Power", NULL, "HPR Output Mixer"}, 493 {"HPR", NULL, "HPR Power"}, 494 495 {"LOR Output Mixer", "R_DAC Switch", "Right DAC"}, 496 497 {"LOR Power", NULL, "LOR Output Mixer"}, 498 {"LOR", NULL, "LOR Power"}, 499 500 /* Right Input */ 501 {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"}, 502 {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"}, 503 {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"}, 504 {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"}, 505 506 {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"}, 507 {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"}, 508 {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"}, 509 {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"}, 510 511 {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"}, 512 {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"}, 513 {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"}, 514 {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"}, 515 516 {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"}, 517 {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"}, 518 {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"}, 519 {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"}, 520 521 {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"}, 522 {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"}, 523 {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"}, 524 {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"}, 525 526 {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"}, 527 {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"}, 528 {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"}, 529 {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"}, 530 531 {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"}, 532 {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"}, 533 {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"}, 534 {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"}, 535 536 /* Left Input */ 537 {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"}, 538 {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"}, 539 {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"}, 540 {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"}, 541 542 {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"}, 543 {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"}, 544 {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"}, 545 {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"}, 546 547 {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"}, 548 {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"}, 549 {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"}, 550 {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"}, 551 552 {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"}, 553 {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"}, 554 {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"}, 555 {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"}, 556 557 {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"}, 558 {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"}, 559 {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"}, 560 {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"}, 561 562 {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"}, 563 {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"}, 564 {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"}, 565 {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"}, 566 567 {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"}, 568 {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"}, 569 {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"}, 570 {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"}, 571 }; 572 573 static const struct regmap_range_cfg aic32x4_regmap_pages[] = { 574 { 575 .selector_reg = 0, 576 .selector_mask = 0xff, 577 .window_start = 0, 578 .window_len = 128, 579 .range_min = 0, 580 .range_max = AIC32X4_RMICPGAVOL, 581 }, 582 }; 583 584 const struct regmap_config aic32x4_regmap_config = { 585 .max_register = AIC32X4_RMICPGAVOL, 586 .ranges = aic32x4_regmap_pages, 587 .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages), 588 }; 589 EXPORT_SYMBOL(aic32x4_regmap_config); 590 591 static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai, 592 int clk_id, unsigned int freq, int dir) 593 { 594 struct snd_soc_component *component = codec_dai->component; 595 struct clk *mclk; 596 struct clk *pll; 597 598 pll = devm_clk_get(component->dev, "pll"); 599 if (IS_ERR(pll)) 600 return PTR_ERR(pll); 601 602 mclk = clk_get_parent(pll); 603 604 return clk_set_rate(mclk, freq); 605 } 606 607 static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 608 { 609 struct snd_soc_component *component = codec_dai->component; 610 u8 iface_reg_1 = 0; 611 u8 iface_reg_2 = 0; 612 u8 iface_reg_3 = 0; 613 614 /* set master/slave audio interface */ 615 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 616 case SND_SOC_DAIFMT_CBM_CFM: 617 iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER; 618 break; 619 case SND_SOC_DAIFMT_CBS_CFS: 620 break; 621 default: 622 printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n"); 623 return -EINVAL; 624 } 625 626 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 627 case SND_SOC_DAIFMT_I2S: 628 break; 629 case SND_SOC_DAIFMT_DSP_A: 630 iface_reg_1 |= (AIC32X4_DSP_MODE << 631 AIC32X4_IFACE1_DATATYPE_SHIFT); 632 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */ 633 iface_reg_2 = 0x01; /* add offset 1 */ 634 break; 635 case SND_SOC_DAIFMT_DSP_B: 636 iface_reg_1 |= (AIC32X4_DSP_MODE << 637 AIC32X4_IFACE1_DATATYPE_SHIFT); 638 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */ 639 break; 640 case SND_SOC_DAIFMT_RIGHT_J: 641 iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE << 642 AIC32X4_IFACE1_DATATYPE_SHIFT); 643 break; 644 case SND_SOC_DAIFMT_LEFT_J: 645 iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE << 646 AIC32X4_IFACE1_DATATYPE_SHIFT); 647 break; 648 default: 649 printk(KERN_ERR "aic32x4: invalid DAI interface format\n"); 650 return -EINVAL; 651 } 652 653 snd_soc_component_update_bits(component, AIC32X4_IFACE1, 654 AIC32X4_IFACE1_DATATYPE_MASK | 655 AIC32X4_IFACE1_MASTER_MASK, iface_reg_1); 656 snd_soc_component_update_bits(component, AIC32X4_IFACE2, 657 AIC32X4_DATA_OFFSET_MASK, iface_reg_2); 658 snd_soc_component_update_bits(component, AIC32X4_IFACE3, 659 AIC32X4_BCLKINV_MASK, iface_reg_3); 660 661 return 0; 662 } 663 664 static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr) 665 { 666 return snd_soc_component_write(component, AIC32X4_AOSR, aosr); 667 } 668 669 static int aic32x4_set_dosr(struct snd_soc_component *component, u16 dosr) 670 { 671 snd_soc_component_write(component, AIC32X4_DOSRMSB, dosr >> 8); 672 snd_soc_component_write(component, AIC32X4_DOSRLSB, 673 (dosr & 0xff)); 674 675 return 0; 676 } 677 678 static int aic32x4_set_processing_blocks(struct snd_soc_component *component, 679 u8 r_block, u8 p_block) 680 { 681 if (r_block > 18 || p_block > 25) 682 return -EINVAL; 683 684 snd_soc_component_write(component, AIC32X4_ADCSPB, r_block); 685 snd_soc_component_write(component, AIC32X4_DACSPB, p_block); 686 687 return 0; 688 } 689 690 static int aic32x4_setup_clocks(struct snd_soc_component *component, 691 unsigned int sample_rate, unsigned int channels, 692 unsigned int bit_depth) 693 { 694 u8 aosr; 695 u16 dosr; 696 u8 adc_resource_class, dac_resource_class; 697 u8 madc, nadc, mdac, ndac, max_nadc, min_mdac, max_ndac; 698 u8 dosr_increment; 699 u16 max_dosr, min_dosr; 700 unsigned long adc_clock_rate, dac_clock_rate; 701 int ret; 702 703 struct clk_bulk_data clocks[] = { 704 { .id = "pll" }, 705 { .id = "nadc" }, 706 { .id = "madc" }, 707 { .id = "ndac" }, 708 { .id = "mdac" }, 709 { .id = "bdiv" }, 710 }; 711 ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks); 712 if (ret) 713 return ret; 714 715 if (sample_rate <= 48000) { 716 aosr = 128; 717 adc_resource_class = 6; 718 dac_resource_class = 8; 719 dosr_increment = 8; 720 aic32x4_set_processing_blocks(component, 1, 1); 721 } else if (sample_rate <= 96000) { 722 aosr = 64; 723 adc_resource_class = 6; 724 dac_resource_class = 8; 725 dosr_increment = 4; 726 aic32x4_set_processing_blocks(component, 1, 9); 727 } else if (sample_rate == 192000) { 728 aosr = 32; 729 adc_resource_class = 3; 730 dac_resource_class = 4; 731 dosr_increment = 2; 732 aic32x4_set_processing_blocks(component, 13, 19); 733 } else { 734 dev_err(component->dev, "Sampling rate not supported\n"); 735 return -EINVAL; 736 } 737 738 madc = DIV_ROUND_UP((32 * adc_resource_class), aosr); 739 max_dosr = (AIC32X4_MAX_DOSR_FREQ / sample_rate / dosr_increment) * 740 dosr_increment; 741 min_dosr = (AIC32X4_MIN_DOSR_FREQ / sample_rate / dosr_increment) * 742 dosr_increment; 743 max_nadc = AIC32X4_MAX_CODEC_CLKIN_FREQ / (madc * aosr * sample_rate); 744 745 for (nadc = max_nadc; nadc > 0; --nadc) { 746 adc_clock_rate = nadc * madc * aosr * sample_rate; 747 for (dosr = max_dosr; dosr >= min_dosr; 748 dosr -= dosr_increment) { 749 min_mdac = DIV_ROUND_UP((32 * dac_resource_class), dosr); 750 max_ndac = AIC32X4_MAX_CODEC_CLKIN_FREQ / 751 (min_mdac * dosr * sample_rate); 752 for (mdac = min_mdac; mdac <= 128; ++mdac) { 753 for (ndac = max_ndac; ndac > 0; --ndac) { 754 dac_clock_rate = ndac * mdac * dosr * 755 sample_rate; 756 if (dac_clock_rate == adc_clock_rate) { 757 if (clk_round_rate(clocks[0].clk, dac_clock_rate) == 0) 758 continue; 759 760 clk_set_rate(clocks[0].clk, 761 dac_clock_rate); 762 763 clk_set_rate(clocks[1].clk, 764 sample_rate * aosr * 765 madc); 766 clk_set_rate(clocks[2].clk, 767 sample_rate * aosr); 768 aic32x4_set_aosr(component, 769 aosr); 770 771 clk_set_rate(clocks[3].clk, 772 sample_rate * dosr * 773 mdac); 774 clk_set_rate(clocks[4].clk, 775 sample_rate * dosr); 776 aic32x4_set_dosr(component, 777 dosr); 778 779 clk_set_rate(clocks[5].clk, 780 sample_rate * channels * 781 bit_depth); 782 783 return 0; 784 } 785 } 786 } 787 } 788 } 789 790 dev_err(component->dev, 791 "Could not set clocks to support sample rate.\n"); 792 return -EINVAL; 793 } 794 795 static int aic32x4_hw_params(struct snd_pcm_substream *substream, 796 struct snd_pcm_hw_params *params, 797 struct snd_soc_dai *dai) 798 { 799 struct snd_soc_component *component = dai->component; 800 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 801 u8 iface1_reg = 0; 802 u8 dacsetup_reg = 0; 803 804 aic32x4_setup_clocks(component, params_rate(params), 805 params_channels(params), 806 params_physical_width(params)); 807 808 switch (params_physical_width(params)) { 809 case 16: 810 iface1_reg |= (AIC32X4_WORD_LEN_16BITS << 811 AIC32X4_IFACE1_DATALEN_SHIFT); 812 break; 813 case 20: 814 iface1_reg |= (AIC32X4_WORD_LEN_20BITS << 815 AIC32X4_IFACE1_DATALEN_SHIFT); 816 break; 817 case 24: 818 iface1_reg |= (AIC32X4_WORD_LEN_24BITS << 819 AIC32X4_IFACE1_DATALEN_SHIFT); 820 break; 821 case 32: 822 iface1_reg |= (AIC32X4_WORD_LEN_32BITS << 823 AIC32X4_IFACE1_DATALEN_SHIFT); 824 break; 825 } 826 snd_soc_component_update_bits(component, AIC32X4_IFACE1, 827 AIC32X4_IFACE1_DATALEN_MASK, iface1_reg); 828 829 if (params_channels(params) == 1) { 830 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN; 831 } else { 832 if (aic32x4->swapdacs) 833 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN; 834 else 835 dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN; 836 } 837 snd_soc_component_update_bits(component, AIC32X4_DACSETUP, 838 AIC32X4_DAC_CHAN_MASK, dacsetup_reg); 839 840 return 0; 841 } 842 843 static int aic32x4_mute(struct snd_soc_dai *dai, int mute, int direction) 844 { 845 struct snd_soc_component *component = dai->component; 846 847 snd_soc_component_update_bits(component, AIC32X4_DACMUTE, 848 AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0); 849 850 return 0; 851 } 852 853 static int aic32x4_set_bias_level(struct snd_soc_component *component, 854 enum snd_soc_bias_level level) 855 { 856 int ret; 857 858 struct clk_bulk_data clocks[] = { 859 { .id = "madc" }, 860 { .id = "mdac" }, 861 { .id = "bdiv" }, 862 }; 863 864 ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks); 865 if (ret) 866 return ret; 867 868 switch (level) { 869 case SND_SOC_BIAS_ON: 870 ret = clk_bulk_prepare_enable(ARRAY_SIZE(clocks), clocks); 871 if (ret) { 872 dev_err(component->dev, "Failed to enable clocks\n"); 873 return ret; 874 } 875 break; 876 case SND_SOC_BIAS_PREPARE: 877 break; 878 case SND_SOC_BIAS_STANDBY: 879 /* Initial cold start */ 880 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) 881 break; 882 883 clk_bulk_disable_unprepare(ARRAY_SIZE(clocks), clocks); 884 break; 885 case SND_SOC_BIAS_OFF: 886 break; 887 } 888 return 0; 889 } 890 891 #define AIC32X4_RATES SNDRV_PCM_RATE_8000_192000 892 #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \ 893 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_3LE \ 894 | SNDRV_PCM_FMTBIT_S32_LE) 895 896 static const struct snd_soc_dai_ops aic32x4_ops = { 897 .hw_params = aic32x4_hw_params, 898 .mute_stream = aic32x4_mute, 899 .set_fmt = aic32x4_set_dai_fmt, 900 .set_sysclk = aic32x4_set_dai_sysclk, 901 .no_capture_mute = 1, 902 }; 903 904 static struct snd_soc_dai_driver aic32x4_dai = { 905 .name = "tlv320aic32x4-hifi", 906 .playback = { 907 .stream_name = "Playback", 908 .channels_min = 1, 909 .channels_max = 2, 910 .rates = AIC32X4_RATES, 911 .formats = AIC32X4_FORMATS,}, 912 .capture = { 913 .stream_name = "Capture", 914 .channels_min = 1, 915 .channels_max = 8, 916 .rates = AIC32X4_RATES, 917 .formats = AIC32X4_FORMATS,}, 918 .ops = &aic32x4_ops, 919 .symmetric_rates = 1, 920 }; 921 922 static void aic32x4_setup_gpios(struct snd_soc_component *component) 923 { 924 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 925 926 /* setup GPIO functions */ 927 /* MFP1 */ 928 if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) { 929 snd_soc_component_write(component, AIC32X4_DINCTL, 930 aic32x4->setup->gpio_func[0]); 931 snd_soc_add_component_controls(component, aic32x4_mfp1, 932 ARRAY_SIZE(aic32x4_mfp1)); 933 } 934 935 /* MFP2 */ 936 if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) { 937 snd_soc_component_write(component, AIC32X4_DOUTCTL, 938 aic32x4->setup->gpio_func[1]); 939 snd_soc_add_component_controls(component, aic32x4_mfp2, 940 ARRAY_SIZE(aic32x4_mfp2)); 941 } 942 943 /* MFP3 */ 944 if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) { 945 snd_soc_component_write(component, AIC32X4_SCLKCTL, 946 aic32x4->setup->gpio_func[2]); 947 snd_soc_add_component_controls(component, aic32x4_mfp3, 948 ARRAY_SIZE(aic32x4_mfp3)); 949 } 950 951 /* MFP4 */ 952 if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) { 953 snd_soc_component_write(component, AIC32X4_MISOCTL, 954 aic32x4->setup->gpio_func[3]); 955 snd_soc_add_component_controls(component, aic32x4_mfp4, 956 ARRAY_SIZE(aic32x4_mfp4)); 957 } 958 959 /* MFP5 */ 960 if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) { 961 snd_soc_component_write(component, AIC32X4_GPIOCTL, 962 aic32x4->setup->gpio_func[4]); 963 snd_soc_add_component_controls(component, aic32x4_mfp5, 964 ARRAY_SIZE(aic32x4_mfp5)); 965 } 966 } 967 968 static int aic32x4_component_probe(struct snd_soc_component *component) 969 { 970 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 971 u32 tmp_reg; 972 int ret; 973 974 struct clk_bulk_data clocks[] = { 975 { .id = "codec_clkin" }, 976 { .id = "pll" }, 977 { .id = "bdiv" }, 978 { .id = "mdac" }, 979 }; 980 981 ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks); 982 if (ret) 983 return ret; 984 985 if (aic32x4->setup) 986 aic32x4_setup_gpios(component); 987 988 clk_set_parent(clocks[0].clk, clocks[1].clk); 989 clk_set_parent(clocks[2].clk, clocks[3].clk); 990 991 /* Power platform configuration */ 992 if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) { 993 snd_soc_component_write(component, AIC32X4_MICBIAS, 994 AIC32X4_MICBIAS_LDOIN | AIC32X4_MICBIAS_2075V); 995 } 996 if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) 997 snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE); 998 999 tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ? 1000 AIC32X4_LDOCTLEN : 0; 1001 snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg); 1002 1003 tmp_reg = snd_soc_component_read(component, AIC32X4_CMMODE); 1004 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) 1005 tmp_reg |= AIC32X4_LDOIN_18_36; 1006 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED) 1007 tmp_reg |= AIC32X4_LDOIN2HP; 1008 snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg); 1009 1010 /* Mic PGA routing */ 1011 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) 1012 snd_soc_component_write(component, AIC32X4_LMICPGANIN, 1013 AIC32X4_LMICPGANIN_IN2R_10K); 1014 else 1015 snd_soc_component_write(component, AIC32X4_LMICPGANIN, 1016 AIC32X4_LMICPGANIN_CM1L_10K); 1017 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K) 1018 snd_soc_component_write(component, AIC32X4_RMICPGANIN, 1019 AIC32X4_RMICPGANIN_IN1L_10K); 1020 else 1021 snd_soc_component_write(component, AIC32X4_RMICPGANIN, 1022 AIC32X4_RMICPGANIN_CM1R_10K); 1023 1024 /* 1025 * Workaround: for an unknown reason, the ADC needs to be powered up 1026 * and down for the first capture to work properly. It seems related to 1027 * a HW BUG or some kind of behavior not documented in the datasheet. 1028 */ 1029 tmp_reg = snd_soc_component_read(component, AIC32X4_ADCSETUP); 1030 snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg | 1031 AIC32X4_LADC_EN | AIC32X4_RADC_EN); 1032 snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg); 1033 1034 /* 1035 * Enable the fast charging feature and ensure the needed 40ms ellapsed 1036 * before using the analog circuits. 1037 */ 1038 snd_soc_component_write(component, AIC32X4_REFPOWERUP, 1039 AIC32X4_REFPOWERUP_40MS); 1040 msleep(40); 1041 1042 return 0; 1043 } 1044 1045 static const struct snd_soc_component_driver soc_component_dev_aic32x4 = { 1046 .probe = aic32x4_component_probe, 1047 .set_bias_level = aic32x4_set_bias_level, 1048 .controls = aic32x4_snd_controls, 1049 .num_controls = ARRAY_SIZE(aic32x4_snd_controls), 1050 .dapm_widgets = aic32x4_dapm_widgets, 1051 .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), 1052 .dapm_routes = aic32x4_dapm_routes, 1053 .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), 1054 .suspend_bias_off = 1, 1055 .idle_bias_on = 1, 1056 .use_pmdown_time = 1, 1057 .endianness = 1, 1058 .non_legacy_dai_naming = 1, 1059 }; 1060 1061 static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4, 1062 struct device_node *np) 1063 { 1064 struct aic32x4_setup_data *aic32x4_setup; 1065 int ret; 1066 1067 aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup), 1068 GFP_KERNEL); 1069 if (!aic32x4_setup) 1070 return -ENOMEM; 1071 1072 ret = of_property_match_string(np, "clock-names", "mclk"); 1073 if (ret < 0) 1074 return -EINVAL; 1075 aic32x4->mclk_name = of_clk_get_parent_name(np, ret); 1076 1077 aic32x4->swapdacs = false; 1078 aic32x4->micpga_routing = 0; 1079 aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0); 1080 1081 if (of_property_read_u32_array(np, "aic32x4-gpio-func", 1082 aic32x4_setup->gpio_func, 5) >= 0) 1083 aic32x4->setup = aic32x4_setup; 1084 return 0; 1085 } 1086 1087 static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4) 1088 { 1089 regulator_disable(aic32x4->supply_iov); 1090 1091 if (!IS_ERR(aic32x4->supply_ldo)) 1092 regulator_disable(aic32x4->supply_ldo); 1093 1094 if (!IS_ERR(aic32x4->supply_dv)) 1095 regulator_disable(aic32x4->supply_dv); 1096 1097 if (!IS_ERR(aic32x4->supply_av)) 1098 regulator_disable(aic32x4->supply_av); 1099 } 1100 1101 static int aic32x4_setup_regulators(struct device *dev, 1102 struct aic32x4_priv *aic32x4) 1103 { 1104 int ret = 0; 1105 1106 aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin"); 1107 aic32x4->supply_iov = devm_regulator_get(dev, "iov"); 1108 aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv"); 1109 aic32x4->supply_av = devm_regulator_get_optional(dev, "av"); 1110 1111 /* Check if the regulator requirements are fulfilled */ 1112 1113 if (IS_ERR(aic32x4->supply_iov)) { 1114 dev_err(dev, "Missing supply 'iov'\n"); 1115 return PTR_ERR(aic32x4->supply_iov); 1116 } 1117 1118 if (IS_ERR(aic32x4->supply_ldo)) { 1119 if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER) 1120 return -EPROBE_DEFER; 1121 1122 if (IS_ERR(aic32x4->supply_dv)) { 1123 dev_err(dev, "Missing supply 'dv' or 'ldoin'\n"); 1124 return PTR_ERR(aic32x4->supply_dv); 1125 } 1126 if (IS_ERR(aic32x4->supply_av)) { 1127 dev_err(dev, "Missing supply 'av' or 'ldoin'\n"); 1128 return PTR_ERR(aic32x4->supply_av); 1129 } 1130 } else { 1131 if (PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER) 1132 return -EPROBE_DEFER; 1133 if (PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER) 1134 return -EPROBE_DEFER; 1135 } 1136 1137 ret = regulator_enable(aic32x4->supply_iov); 1138 if (ret) { 1139 dev_err(dev, "Failed to enable regulator iov\n"); 1140 return ret; 1141 } 1142 1143 if (!IS_ERR(aic32x4->supply_ldo)) { 1144 ret = regulator_enable(aic32x4->supply_ldo); 1145 if (ret) { 1146 dev_err(dev, "Failed to enable regulator ldo\n"); 1147 goto error_ldo; 1148 } 1149 } 1150 1151 if (!IS_ERR(aic32x4->supply_dv)) { 1152 ret = regulator_enable(aic32x4->supply_dv); 1153 if (ret) { 1154 dev_err(dev, "Failed to enable regulator dv\n"); 1155 goto error_dv; 1156 } 1157 } 1158 1159 if (!IS_ERR(aic32x4->supply_av)) { 1160 ret = regulator_enable(aic32x4->supply_av); 1161 if (ret) { 1162 dev_err(dev, "Failed to enable regulator av\n"); 1163 goto error_av; 1164 } 1165 } 1166 1167 if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av)) 1168 aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE; 1169 1170 return 0; 1171 1172 error_av: 1173 if (!IS_ERR(aic32x4->supply_dv)) 1174 regulator_disable(aic32x4->supply_dv); 1175 1176 error_dv: 1177 if (!IS_ERR(aic32x4->supply_ldo)) 1178 regulator_disable(aic32x4->supply_ldo); 1179 1180 error_ldo: 1181 regulator_disable(aic32x4->supply_iov); 1182 return ret; 1183 } 1184 1185 int aic32x4_probe(struct device *dev, struct regmap *regmap) 1186 { 1187 struct aic32x4_priv *aic32x4; 1188 struct aic32x4_pdata *pdata = dev->platform_data; 1189 struct device_node *np = dev->of_node; 1190 int ret; 1191 1192 if (IS_ERR(regmap)) 1193 return PTR_ERR(regmap); 1194 1195 aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv), 1196 GFP_KERNEL); 1197 if (aic32x4 == NULL) 1198 return -ENOMEM; 1199 1200 aic32x4->dev = dev; 1201 dev_set_drvdata(dev, aic32x4); 1202 1203 if (pdata) { 1204 aic32x4->power_cfg = pdata->power_cfg; 1205 aic32x4->swapdacs = pdata->swapdacs; 1206 aic32x4->micpga_routing = pdata->micpga_routing; 1207 aic32x4->rstn_gpio = pdata->rstn_gpio; 1208 aic32x4->mclk_name = "mclk"; 1209 } else if (np) { 1210 ret = aic32x4_parse_dt(aic32x4, np); 1211 if (ret) { 1212 dev_err(dev, "Failed to parse DT node\n"); 1213 return ret; 1214 } 1215 } else { 1216 aic32x4->power_cfg = 0; 1217 aic32x4->swapdacs = false; 1218 aic32x4->micpga_routing = 0; 1219 aic32x4->rstn_gpio = -1; 1220 aic32x4->mclk_name = "mclk"; 1221 } 1222 1223 if (gpio_is_valid(aic32x4->rstn_gpio)) { 1224 ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio, 1225 GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn"); 1226 if (ret != 0) 1227 return ret; 1228 } 1229 1230 ret = aic32x4_setup_regulators(dev, aic32x4); 1231 if (ret) { 1232 dev_err(dev, "Failed to setup regulators\n"); 1233 return ret; 1234 } 1235 1236 if (gpio_is_valid(aic32x4->rstn_gpio)) { 1237 ndelay(10); 1238 gpio_set_value_cansleep(aic32x4->rstn_gpio, 1); 1239 mdelay(1); 1240 } 1241 1242 ret = regmap_write(regmap, AIC32X4_RESET, 0x01); 1243 if (ret) 1244 goto err_disable_regulators; 1245 1246 ret = devm_snd_soc_register_component(dev, 1247 &soc_component_dev_aic32x4, &aic32x4_dai, 1); 1248 if (ret) { 1249 dev_err(dev, "Failed to register component\n"); 1250 goto err_disable_regulators; 1251 } 1252 1253 ret = aic32x4_register_clocks(dev, aic32x4->mclk_name); 1254 if (ret) 1255 goto err_disable_regulators; 1256 1257 return 0; 1258 1259 err_disable_regulators: 1260 aic32x4_disable_regulators(aic32x4); 1261 1262 return ret; 1263 } 1264 EXPORT_SYMBOL(aic32x4_probe); 1265 1266 int aic32x4_remove(struct device *dev) 1267 { 1268 struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev); 1269 1270 aic32x4_disable_regulators(aic32x4); 1271 1272 return 0; 1273 } 1274 EXPORT_SYMBOL(aic32x4_remove); 1275 1276 MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver"); 1277 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); 1278 MODULE_LICENSE("GPL"); 1279