root/sound/soc/codecs/tlv320aic32x4.c

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DEFINITIONS

This source file includes following definitions.
  1. mic_bias_event
  2. aic32x4_get_mfp1_gpio
  3. aic32x4_set_mfp2_gpio
  4. aic32x4_get_mfp3_gpio
  5. aic32x4_set_mfp4_gpio
  6. aic32x4_get_mfp5_gpio
  7. aic32x4_set_mfp5_gpio
  8. aic32x4_set_dai_sysclk
  9. aic32x4_set_dai_fmt
  10. aic32x4_set_aosr
  11. aic32x4_set_dosr
  12. aic32x4_set_processing_blocks
  13. aic32x4_setup_clocks
  14. aic32x4_hw_params
  15. aic32x4_mute
  16. aic32x4_set_bias_level
  17. aic32x4_setup_gpios
  18. aic32x4_component_probe
  19. aic32x4_parse_dt
  20. aic32x4_disable_regulators
  21. aic32x4_setup_regulators
  22. aic32x4_probe
  23. aic32x4_remove

   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 mic_bias_event(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 
  58         switch (event) {
  59         case SND_SOC_DAPM_POST_PMU:
  60                 /* Change Mic Bias Registor */
  61                 snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
  62                                 AIC32x4_MICBIAS_MASK,
  63                                 AIC32X4_MICBIAS_LDOIN |
  64                                 AIC32X4_MICBIAS_2075V);
  65                 printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__);
  66                 break;
  67         case SND_SOC_DAPM_PRE_PMD:
  68                 snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
  69                                 AIC32x4_MICBIAS_MASK, 0);
  70                 printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n",
  71                                 __func__);
  72                 break;
  73         }
  74 
  75         return 0;
  76 }
  77 
  78 
  79 static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol,
  80         struct snd_ctl_elem_value *ucontrol)
  81 {
  82         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
  83         u8 val;
  84 
  85         val = snd_soc_component_read32(component, AIC32X4_DINCTL);
  86 
  87         ucontrol->value.integer.value[0] = (val & 0x01);
  88 
  89         return 0;
  90 };
  91 
  92 static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol,
  93         struct snd_ctl_elem_value *ucontrol)
  94 {
  95         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
  96         u8 val;
  97         u8 gpio_check;
  98 
  99         val = snd_soc_component_read32(component, AIC32X4_DOUTCTL);
 100         gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
 101         if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
 102                 printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n",
 103                         __func__);
 104                 return -EINVAL;
 105         }
 106 
 107         if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH))
 108                 return 0;
 109 
 110         if (ucontrol->value.integer.value[0])
 111                 val |= ucontrol->value.integer.value[0];
 112         else
 113                 val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH;
 114 
 115         snd_soc_component_write(component, AIC32X4_DOUTCTL, val);
 116 
 117         return 0;
 118 };
 119 
 120 static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol,
 121         struct snd_ctl_elem_value *ucontrol)
 122 {
 123         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 124         u8 val;
 125 
 126         val = snd_soc_component_read32(component, AIC32X4_SCLKCTL);
 127 
 128         ucontrol->value.integer.value[0] = (val & 0x01);
 129 
 130         return 0;
 131 };
 132 
 133 static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol,
 134         struct snd_ctl_elem_value *ucontrol)
 135 {
 136         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 137         u8 val;
 138         u8 gpio_check;
 139 
 140         val = snd_soc_component_read32(component, AIC32X4_MISOCTL);
 141         gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
 142         if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
 143                 printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n",
 144                         __func__);
 145                 return -EINVAL;
 146         }
 147 
 148         if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH))
 149                 return 0;
 150 
 151         if (ucontrol->value.integer.value[0])
 152                 val |= ucontrol->value.integer.value[0];
 153         else
 154                 val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH;
 155 
 156         snd_soc_component_write(component, AIC32X4_MISOCTL, val);
 157 
 158         return 0;
 159 };
 160 
 161 static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol,
 162         struct snd_ctl_elem_value *ucontrol)
 163 {
 164         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 165         u8 val;
 166 
 167         val = snd_soc_component_read32(component, AIC32X4_GPIOCTL);
 168         ucontrol->value.integer.value[0] = ((val & 0x2) >> 1);
 169 
 170         return 0;
 171 };
 172 
 173 static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol,
 174         struct snd_ctl_elem_value *ucontrol)
 175 {
 176         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 177         u8 val;
 178         u8 gpio_check;
 179 
 180         val = snd_soc_component_read32(component, AIC32X4_GPIOCTL);
 181         gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT);
 182         if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) {
 183                 printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n",
 184                         __func__);
 185                 return -EINVAL;
 186         }
 187 
 188         if (ucontrol->value.integer.value[0] == (val & 0x1))
 189                 return 0;
 190 
 191         if (ucontrol->value.integer.value[0])
 192                 val |= ucontrol->value.integer.value[0];
 193         else
 194                 val &= 0xfe;
 195 
 196         snd_soc_component_write(component, AIC32X4_GPIOCTL, val);
 197 
 198         return 0;
 199 };
 200 
 201 static const struct snd_kcontrol_new aic32x4_mfp1[] = {
 202         SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
 203 };
 204 
 205 static const struct snd_kcontrol_new aic32x4_mfp2[] = {
 206         SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
 207 };
 208 
 209 static const struct snd_kcontrol_new aic32x4_mfp3[] = {
 210         SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
 211 };
 212 
 213 static const struct snd_kcontrol_new aic32x4_mfp4[] = {
 214         SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
 215 };
 216 
 217 static const struct snd_kcontrol_new aic32x4_mfp5[] = {
 218         SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio,
 219                 aic32x4_set_mfp5_gpio),
 220 };
 221 
 222 /* 0dB min, 0.5dB steps */
 223 static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
 224 /* -63.5dB min, 0.5dB steps */
 225 static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
 226 /* -6dB min, 1dB steps */
 227 static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
 228 /* -12dB min, 0.5dB steps */
 229 static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
 230 
 231 static const char * const lo_cm_text[] = {
 232         "Full Chip", "1.65V",
 233 };
 234 
 235 static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text);
 236 
 237 static const char * const ptm_text[] = {
 238         "P3", "P2", "P1",
 239 };
 240 
 241 static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text);
 242 static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_text);
 243 
 244 static const struct snd_kcontrol_new aic32x4_snd_controls[] = {
 245         SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL,
 246                         AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm),
 247         SOC_ENUM("DAC Left Playback PowerTune Switch", l_ptm_enum),
 248         SOC_ENUM("DAC Right Playback PowerTune Switch", r_ptm_enum),
 249         SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN,
 250                         AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0,
 251                         tlv_driver_gain),
 252         SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN,
 253                         AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0,
 254                         tlv_driver_gain),
 255         SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN,
 256                         AIC32X4_HPRGAIN, 6, 0x01, 1),
 257         SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN,
 258                         AIC32X4_LORGAIN, 6, 0x01, 1),
 259         SOC_ENUM("LO Playback Common Mode Switch", lo_cm_enum),
 260         SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL,
 261                         AIC32X4_RMICPGAVOL, 7, 0x01, 1),
 262 
 263         SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0),
 264         SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0),
 265 
 266         SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL,
 267                         AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol),
 268         SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL,
 269                         AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5),
 270 
 271         SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0),
 272 
 273         SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0),
 274         SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0),
 275         SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1,
 276                         4, 0x07, 0),
 277         SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1,
 278                         0, 0x03, 0),
 279         SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2,
 280                         6, 0x03, 0),
 281         SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2,
 282                         1, 0x1F, 0),
 283         SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3,
 284                         0, 0x7F, 0),
 285         SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4,
 286                         3, 0x1F, 0),
 287         SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5,
 288                         3, 0x1F, 0),
 289         SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6,
 290                         0, 0x1F, 0),
 291         SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7,
 292                         0, 0x0F, 0),
 293 };
 294 
 295 static const struct snd_kcontrol_new hpl_output_mixer_controls[] = {
 296         SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0),
 297         SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0),
 298 };
 299 
 300 static const struct snd_kcontrol_new hpr_output_mixer_controls[] = {
 301         SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0),
 302         SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0),
 303 };
 304 
 305 static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
 306         SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
 307 };
 308 
 309 static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
 310         SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
 311 };
 312 
 313 static const char * const resistor_text[] = {
 314         "Off", "10 kOhm", "20 kOhm", "40 kOhm",
 315 };
 316 
 317 /* Left mixer pins */
 318 static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
 319 static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
 320 static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
 321 static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
 322 
 323 static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
 324 static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
 325 static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
 326 
 327 static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
 328         SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
 329 };
 330 static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
 331         SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
 332 };
 333 static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
 334         SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
 335 };
 336 static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
 337         SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
 338 };
 339 static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
 340         SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
 341 };
 342 static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
 343         SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
 344 };
 345 static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = {
 346         SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum),
 347 };
 348 
 349 /*      Right mixer pins */
 350 static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
 351 static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
 352 static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
 353 static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
 354 static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
 355 static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
 356 static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
 357 
 358 static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
 359         SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
 360 };
 361 static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
 362         SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
 363 };
 364 static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
 365         SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
 366 };
 367 static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
 368         SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
 369 };
 370 static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
 371         SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
 372 };
 373 static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
 374         SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
 375 };
 376 static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
 377         SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
 378 };
 379 
 380 static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
 381         SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0),
 382         SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0,
 383                            &hpl_output_mixer_controls[0],
 384                            ARRAY_SIZE(hpl_output_mixer_controls)),
 385         SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0),
 386 
 387         SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0,
 388                            &lol_output_mixer_controls[0],
 389                            ARRAY_SIZE(lol_output_mixer_controls)),
 390         SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0),
 391 
 392         SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0),
 393         SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0,
 394                            &hpr_output_mixer_controls[0],
 395                            ARRAY_SIZE(hpr_output_mixer_controls)),
 396         SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0),
 397         SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0,
 398                            &lor_output_mixer_controls[0],
 399                            ARRAY_SIZE(lor_output_mixer_controls)),
 400         SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0),
 401 
 402         SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0),
 403         SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 404                         in1r_to_rmixer_controls),
 405         SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 406                         in2r_to_rmixer_controls),
 407         SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 408                         in3r_to_rmixer_controls),
 409         SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 410                         in2l_to_rmixer_controls),
 411         SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 412                         cmr_to_rmixer_controls),
 413         SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 414                         in1l_to_rmixer_controls),
 415         SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 416                         in3l_to_rmixer_controls),
 417 
 418         SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
 419         SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 420                         in1l_to_lmixer_controls),
 421         SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 422                         in2l_to_lmixer_controls),
 423         SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 424                         in3l_to_lmixer_controls),
 425         SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 426                         in1r_to_lmixer_controls),
 427         SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 428                         cml_to_lmixer_controls),
 429         SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 430                         in2r_to_lmixer_controls),
 431         SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 432                         in3r_to_lmixer_controls),
 433 
 434         SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event,
 435                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 436 
 437 
 438         SND_SOC_DAPM_OUTPUT("HPL"),
 439         SND_SOC_DAPM_OUTPUT("HPR"),
 440         SND_SOC_DAPM_OUTPUT("LOL"),
 441         SND_SOC_DAPM_OUTPUT("LOR"),
 442         SND_SOC_DAPM_INPUT("IN1_L"),
 443         SND_SOC_DAPM_INPUT("IN1_R"),
 444         SND_SOC_DAPM_INPUT("IN2_L"),
 445         SND_SOC_DAPM_INPUT("IN2_R"),
 446         SND_SOC_DAPM_INPUT("IN3_L"),
 447         SND_SOC_DAPM_INPUT("IN3_R"),
 448         SND_SOC_DAPM_INPUT("CM_L"),
 449         SND_SOC_DAPM_INPUT("CM_R"),
 450 };
 451 
 452 static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
 453         /* Left Output */
 454         {"HPL Output Mixer", "L_DAC Switch", "Left DAC"},
 455         {"HPL Output Mixer", "IN1_L Switch", "IN1_L"},
 456 
 457         {"HPL Power", NULL, "HPL Output Mixer"},
 458         {"HPL", NULL, "HPL Power"},
 459 
 460         {"LOL Output Mixer", "L_DAC Switch", "Left DAC"},
 461 
 462         {"LOL Power", NULL, "LOL Output Mixer"},
 463         {"LOL", NULL, "LOL Power"},
 464 
 465         /* Right Output */
 466         {"HPR Output Mixer", "R_DAC Switch", "Right DAC"},
 467         {"HPR Output Mixer", "IN1_R Switch", "IN1_R"},
 468 
 469         {"HPR Power", NULL, "HPR Output Mixer"},
 470         {"HPR", NULL, "HPR Power"},
 471 
 472         {"LOR Output Mixer", "R_DAC Switch", "Right DAC"},
 473 
 474         {"LOR Power", NULL, "LOR Output Mixer"},
 475         {"LOR", NULL, "LOR Power"},
 476 
 477         /* Right Input */
 478         {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"},
 479         {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"},
 480         {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"},
 481         {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"},
 482 
 483         {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"},
 484         {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"},
 485         {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"},
 486         {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"},
 487 
 488         {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"},
 489         {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"},
 490         {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"},
 491         {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"},
 492 
 493         {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"},
 494         {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"},
 495         {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"},
 496         {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"},
 497 
 498         {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"},
 499         {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"},
 500         {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"},
 501         {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"},
 502 
 503         {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"},
 504         {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"},
 505         {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"},
 506         {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"},
 507 
 508         {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"},
 509         {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"},
 510         {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"},
 511         {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"},
 512 
 513         /* Left Input */
 514         {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"},
 515         {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"},
 516         {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"},
 517         {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"},
 518 
 519         {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"},
 520         {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"},
 521         {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"},
 522         {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"},
 523 
 524         {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"},
 525         {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"},
 526         {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"},
 527         {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"},
 528 
 529         {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"},
 530         {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"},
 531         {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"},
 532         {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"},
 533 
 534         {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"},
 535         {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"},
 536         {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"},
 537         {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"},
 538 
 539         {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"},
 540         {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"},
 541         {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"},
 542         {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"},
 543 
 544         {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"},
 545         {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"},
 546         {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"},
 547         {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"},
 548 };
 549 
 550 static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
 551         {
 552                 .selector_reg = 0,
 553                 .selector_mask  = 0xff,
 554                 .window_start = 0,
 555                 .window_len = 128,
 556                 .range_min = 0,
 557                 .range_max = AIC32X4_RMICPGAVOL,
 558         },
 559 };
 560 
 561 const struct regmap_config aic32x4_regmap_config = {
 562         .max_register = AIC32X4_RMICPGAVOL,
 563         .ranges = aic32x4_regmap_pages,
 564         .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
 565 };
 566 EXPORT_SYMBOL(aic32x4_regmap_config);
 567 
 568 static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 569                                   int clk_id, unsigned int freq, int dir)
 570 {
 571         struct snd_soc_component *component = codec_dai->component;
 572         struct clk *mclk;
 573         struct clk *pll;
 574 
 575         pll = devm_clk_get(component->dev, "pll");
 576         mclk = clk_get_parent(pll);
 577 
 578         return clk_set_rate(mclk, freq);
 579 }
 580 
 581 static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 582 {
 583         struct snd_soc_component *component = codec_dai->component;
 584         u8 iface_reg_1 = 0;
 585         u8 iface_reg_2 = 0;
 586         u8 iface_reg_3 = 0;
 587 
 588         /* set master/slave audio interface */
 589         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 590         case SND_SOC_DAIFMT_CBM_CFM:
 591                 iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
 592                 break;
 593         case SND_SOC_DAIFMT_CBS_CFS:
 594                 break;
 595         default:
 596                 printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n");
 597                 return -EINVAL;
 598         }
 599 
 600         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 601         case SND_SOC_DAIFMT_I2S:
 602                 break;
 603         case SND_SOC_DAIFMT_DSP_A:
 604                 iface_reg_1 |= (AIC32X4_DSP_MODE <<
 605                                 AIC32X4_IFACE1_DATATYPE_SHIFT);
 606                 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
 607                 iface_reg_2 = 0x01; /* add offset 1 */
 608                 break;
 609         case SND_SOC_DAIFMT_DSP_B:
 610                 iface_reg_1 |= (AIC32X4_DSP_MODE <<
 611                                 AIC32X4_IFACE1_DATATYPE_SHIFT);
 612                 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
 613                 break;
 614         case SND_SOC_DAIFMT_RIGHT_J:
 615                 iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
 616                                 AIC32X4_IFACE1_DATATYPE_SHIFT);
 617                 break;
 618         case SND_SOC_DAIFMT_LEFT_J:
 619                 iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE <<
 620                                 AIC32X4_IFACE1_DATATYPE_SHIFT);
 621                 break;
 622         default:
 623                 printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
 624                 return -EINVAL;
 625         }
 626 
 627         snd_soc_component_update_bits(component, AIC32X4_IFACE1,
 628                                 AIC32X4_IFACE1_DATATYPE_MASK |
 629                                 AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
 630         snd_soc_component_update_bits(component, AIC32X4_IFACE2,
 631                                 AIC32X4_DATA_OFFSET_MASK, iface_reg_2);
 632         snd_soc_component_update_bits(component, AIC32X4_IFACE3,
 633                                 AIC32X4_BCLKINV_MASK, iface_reg_3);
 634 
 635         return 0;
 636 }
 637 
 638 static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
 639 {
 640         return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
 641 }
 642 
 643 static int aic32x4_set_dosr(struct snd_soc_component *component, u16 dosr)
 644 {
 645         snd_soc_component_write(component, AIC32X4_DOSRMSB, dosr >> 8);
 646         snd_soc_component_write(component, AIC32X4_DOSRLSB,
 647                       (dosr & 0xff));
 648 
 649         return 0;
 650 }
 651 
 652 static int aic32x4_set_processing_blocks(struct snd_soc_component *component,
 653                                                 u8 r_block, u8 p_block)
 654 {
 655         if (r_block > 18 || p_block > 25)
 656                 return -EINVAL;
 657 
 658         snd_soc_component_write(component, AIC32X4_ADCSPB, r_block);
 659         snd_soc_component_write(component, AIC32X4_DACSPB, p_block);
 660 
 661         return 0;
 662 }
 663 
 664 static int aic32x4_setup_clocks(struct snd_soc_component *component,
 665                                 unsigned int sample_rate)
 666 {
 667         u8 aosr;
 668         u16 dosr;
 669         u8 adc_resource_class, dac_resource_class;
 670         u8 madc, nadc, mdac, ndac, max_nadc, min_mdac, max_ndac;
 671         u8 dosr_increment;
 672         u16 max_dosr, min_dosr;
 673         unsigned long adc_clock_rate, dac_clock_rate;
 674         int ret;
 675 
 676         struct clk_bulk_data clocks[] = {
 677                 { .id = "pll" },
 678                 { .id = "nadc" },
 679                 { .id = "madc" },
 680                 { .id = "ndac" },
 681                 { .id = "mdac" },
 682                 { .id = "bdiv" },
 683         };
 684         ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
 685         if (ret)
 686                 return ret;
 687 
 688         if (sample_rate <= 48000) {
 689                 aosr = 128;
 690                 adc_resource_class = 6;
 691                 dac_resource_class = 8;
 692                 dosr_increment = 8;
 693                 aic32x4_set_processing_blocks(component, 1, 1);
 694         } else if (sample_rate <= 96000) {
 695                 aosr = 64;
 696                 adc_resource_class = 6;
 697                 dac_resource_class = 8;
 698                 dosr_increment = 4;
 699                 aic32x4_set_processing_blocks(component, 1, 9);
 700         } else if (sample_rate == 192000) {
 701                 aosr = 32;
 702                 adc_resource_class = 3;
 703                 dac_resource_class = 4;
 704                 dosr_increment = 2;
 705                 aic32x4_set_processing_blocks(component, 13, 19);
 706         } else {
 707                 dev_err(component->dev, "Sampling rate not supported\n");
 708                 return -EINVAL;
 709         }
 710 
 711         madc = DIV_ROUND_UP((32 * adc_resource_class), aosr);
 712         max_dosr = (AIC32X4_MAX_DOSR_FREQ / sample_rate / dosr_increment) *
 713                         dosr_increment;
 714         min_dosr = (AIC32X4_MIN_DOSR_FREQ / sample_rate / dosr_increment) *
 715                         dosr_increment;
 716         max_nadc = AIC32X4_MAX_CODEC_CLKIN_FREQ / (madc * aosr * sample_rate);
 717 
 718         for (nadc = max_nadc; nadc > 0; --nadc) {
 719                 adc_clock_rate = nadc * madc * aosr * sample_rate;
 720                 for (dosr = max_dosr; dosr >= min_dosr;
 721                                 dosr -= dosr_increment) {
 722                         min_mdac = DIV_ROUND_UP((32 * dac_resource_class), dosr);
 723                         max_ndac = AIC32X4_MAX_CODEC_CLKIN_FREQ /
 724                                         (min_mdac * dosr * sample_rate);
 725                         for (mdac = min_mdac; mdac <= 128; ++mdac) {
 726                                 for (ndac = max_ndac; ndac > 0; --ndac) {
 727                                         dac_clock_rate = ndac * mdac * dosr *
 728                                                         sample_rate;
 729                                         if (dac_clock_rate == adc_clock_rate) {
 730                                                 if (clk_round_rate(clocks[0].clk, dac_clock_rate) == 0)
 731                                                         continue;
 732 
 733                                                 clk_set_rate(clocks[0].clk,
 734                                                         dac_clock_rate);
 735 
 736                                                 clk_set_rate(clocks[1].clk,
 737                                                         sample_rate * aosr *
 738                                                         madc);
 739                                                 clk_set_rate(clocks[2].clk,
 740                                                         sample_rate * aosr);
 741                                                 aic32x4_set_aosr(component,
 742                                                         aosr);
 743 
 744                                                 clk_set_rate(clocks[3].clk,
 745                                                         sample_rate * dosr *
 746                                                         mdac);
 747                                                 clk_set_rate(clocks[4].clk,
 748                                                         sample_rate * dosr);
 749                                                 aic32x4_set_dosr(component,
 750                                                         dosr);
 751 
 752                                                 clk_set_rate(clocks[5].clk,
 753                                                         sample_rate * 32);
 754                                                 return 0;
 755                                         }
 756                                 }
 757                         }
 758                 }
 759         }
 760 
 761         dev_err(component->dev,
 762                 "Could not set clocks to support sample rate.\n");
 763         return -EINVAL;
 764 }
 765 
 766 static int aic32x4_hw_params(struct snd_pcm_substream *substream,
 767                                  struct snd_pcm_hw_params *params,
 768                                  struct snd_soc_dai *dai)
 769 {
 770         struct snd_soc_component *component = dai->component;
 771         struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 772         u8 iface1_reg = 0;
 773         u8 dacsetup_reg = 0;
 774 
 775         aic32x4_setup_clocks(component, params_rate(params));
 776 
 777         switch (params_width(params)) {
 778         case 16:
 779                 iface1_reg |= (AIC32X4_WORD_LEN_16BITS <<
 780                                    AIC32X4_IFACE1_DATALEN_SHIFT);
 781                 break;
 782         case 20:
 783                 iface1_reg |= (AIC32X4_WORD_LEN_20BITS <<
 784                                    AIC32X4_IFACE1_DATALEN_SHIFT);
 785                 break;
 786         case 24:
 787                 iface1_reg |= (AIC32X4_WORD_LEN_24BITS <<
 788                                    AIC32X4_IFACE1_DATALEN_SHIFT);
 789                 break;
 790         case 32:
 791                 iface1_reg |= (AIC32X4_WORD_LEN_32BITS <<
 792                                    AIC32X4_IFACE1_DATALEN_SHIFT);
 793                 break;
 794         }
 795         snd_soc_component_update_bits(component, AIC32X4_IFACE1,
 796                                 AIC32X4_IFACE1_DATALEN_MASK, iface1_reg);
 797 
 798         if (params_channels(params) == 1) {
 799                 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
 800         } else {
 801                 if (aic32x4->swapdacs)
 802                         dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
 803                 else
 804                         dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
 805         }
 806         snd_soc_component_update_bits(component, AIC32X4_DACSETUP,
 807                                 AIC32X4_DAC_CHAN_MASK, dacsetup_reg);
 808 
 809         return 0;
 810 }
 811 
 812 static int aic32x4_mute(struct snd_soc_dai *dai, int mute)
 813 {
 814         struct snd_soc_component *component = dai->component;
 815 
 816         snd_soc_component_update_bits(component, AIC32X4_DACMUTE,
 817                                 AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0);
 818 
 819         return 0;
 820 }
 821 
 822 static int aic32x4_set_bias_level(struct snd_soc_component *component,
 823                                   enum snd_soc_bias_level level)
 824 {
 825         int ret;
 826 
 827         struct clk_bulk_data clocks[] = {
 828                 { .id = "madc" },
 829                 { .id = "mdac" },
 830                 { .id = "bdiv" },
 831         };
 832 
 833         ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
 834         if (ret)
 835                 return ret;
 836 
 837         switch (level) {
 838         case SND_SOC_BIAS_ON:
 839                 ret = clk_bulk_prepare_enable(ARRAY_SIZE(clocks), clocks);
 840                 if (ret) {
 841                         dev_err(component->dev, "Failed to enable clocks\n");
 842                         return ret;
 843                 }
 844                 break;
 845         case SND_SOC_BIAS_PREPARE:
 846                 break;
 847         case SND_SOC_BIAS_STANDBY:
 848                 /* Initial cold start */
 849                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
 850                         break;
 851 
 852                 clk_bulk_disable_unprepare(ARRAY_SIZE(clocks), clocks);
 853                 break;
 854         case SND_SOC_BIAS_OFF:
 855                 break;
 856         }
 857         return 0;
 858 }
 859 
 860 #define AIC32X4_RATES   SNDRV_PCM_RATE_8000_192000
 861 #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
 862                          | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
 863 
 864 static const struct snd_soc_dai_ops aic32x4_ops = {
 865         .hw_params = aic32x4_hw_params,
 866         .digital_mute = aic32x4_mute,
 867         .set_fmt = aic32x4_set_dai_fmt,
 868         .set_sysclk = aic32x4_set_dai_sysclk,
 869 };
 870 
 871 static struct snd_soc_dai_driver aic32x4_dai = {
 872         .name = "tlv320aic32x4-hifi",
 873         .playback = {
 874                          .stream_name = "Playback",
 875                          .channels_min = 1,
 876                          .channels_max = 2,
 877                          .rates = AIC32X4_RATES,
 878                          .formats = AIC32X4_FORMATS,},
 879         .capture = {
 880                         .stream_name = "Capture",
 881                         .channels_min = 1,
 882                         .channels_max = 2,
 883                         .rates = AIC32X4_RATES,
 884                         .formats = AIC32X4_FORMATS,},
 885         .ops = &aic32x4_ops,
 886         .symmetric_rates = 1,
 887 };
 888 
 889 static void aic32x4_setup_gpios(struct snd_soc_component *component)
 890 {
 891         struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 892 
 893         /* setup GPIO functions */
 894         /* MFP1 */
 895         if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
 896                 snd_soc_component_write(component, AIC32X4_DINCTL,
 897                           aic32x4->setup->gpio_func[0]);
 898                 snd_soc_add_component_controls(component, aic32x4_mfp1,
 899                         ARRAY_SIZE(aic32x4_mfp1));
 900         }
 901 
 902         /* MFP2 */
 903         if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
 904                 snd_soc_component_write(component, AIC32X4_DOUTCTL,
 905                           aic32x4->setup->gpio_func[1]);
 906                 snd_soc_add_component_controls(component, aic32x4_mfp2,
 907                         ARRAY_SIZE(aic32x4_mfp2));
 908         }
 909 
 910         /* MFP3 */
 911         if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
 912                 snd_soc_component_write(component, AIC32X4_SCLKCTL,
 913                           aic32x4->setup->gpio_func[2]);
 914                 snd_soc_add_component_controls(component, aic32x4_mfp3,
 915                         ARRAY_SIZE(aic32x4_mfp3));
 916         }
 917 
 918         /* MFP4 */
 919         if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
 920                 snd_soc_component_write(component, AIC32X4_MISOCTL,
 921                           aic32x4->setup->gpio_func[3]);
 922                 snd_soc_add_component_controls(component, aic32x4_mfp4,
 923                         ARRAY_SIZE(aic32x4_mfp4));
 924         }
 925 
 926         /* MFP5 */
 927         if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
 928                 snd_soc_component_write(component, AIC32X4_GPIOCTL,
 929                           aic32x4->setup->gpio_func[4]);
 930                 snd_soc_add_component_controls(component, aic32x4_mfp5,
 931                         ARRAY_SIZE(aic32x4_mfp5));
 932         }
 933 }
 934 
 935 static int aic32x4_component_probe(struct snd_soc_component *component)
 936 {
 937         struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 938         u32 tmp_reg;
 939         int ret;
 940 
 941         struct clk_bulk_data clocks[] = {
 942                 { .id = "codec_clkin" },
 943                 { .id = "pll" },
 944                 { .id = "bdiv" },
 945                 { .id = "mdac" },
 946         };
 947 
 948         ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
 949         if (ret)
 950                 return ret;
 951 
 952         if (gpio_is_valid(aic32x4->rstn_gpio)) {
 953                 ndelay(10);
 954                 gpio_set_value(aic32x4->rstn_gpio, 1);
 955                 mdelay(1);
 956         }
 957 
 958         snd_soc_component_write(component, AIC32X4_RESET, 0x01);
 959 
 960         if (aic32x4->setup)
 961                 aic32x4_setup_gpios(component);
 962 
 963         clk_set_parent(clocks[0].clk, clocks[1].clk);
 964         clk_set_parent(clocks[2].clk, clocks[3].clk);
 965 
 966         /* Power platform configuration */
 967         if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
 968                 snd_soc_component_write(component, AIC32X4_MICBIAS,
 969                                 AIC32X4_MICBIAS_LDOIN | AIC32X4_MICBIAS_2075V);
 970         }
 971         if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
 972                 snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
 973 
 974         tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
 975                         AIC32X4_LDOCTLEN : 0;
 976         snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg);
 977 
 978         tmp_reg = snd_soc_component_read32(component, AIC32X4_CMMODE);
 979         if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
 980                 tmp_reg |= AIC32X4_LDOIN_18_36;
 981         if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
 982                 tmp_reg |= AIC32X4_LDOIN2HP;
 983         snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg);
 984 
 985         /* Mic PGA routing */
 986         if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
 987                 snd_soc_component_write(component, AIC32X4_LMICPGANIN,
 988                                 AIC32X4_LMICPGANIN_IN2R_10K);
 989         else
 990                 snd_soc_component_write(component, AIC32X4_LMICPGANIN,
 991                                 AIC32X4_LMICPGANIN_CM1L_10K);
 992         if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
 993                 snd_soc_component_write(component, AIC32X4_RMICPGANIN,
 994                                 AIC32X4_RMICPGANIN_IN1L_10K);
 995         else
 996                 snd_soc_component_write(component, AIC32X4_RMICPGANIN,
 997                                 AIC32X4_RMICPGANIN_CM1R_10K);
 998 
 999         /*
1000          * Workaround: for an unknown reason, the ADC needs to be powered up
1001          * and down for the first capture to work properly. It seems related to
1002          * a HW BUG or some kind of behavior not documented in the datasheet.
1003          */
1004         tmp_reg = snd_soc_component_read32(component, AIC32X4_ADCSETUP);
1005         snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg |
1006                                 AIC32X4_LADC_EN | AIC32X4_RADC_EN);
1007         snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg);
1008 
1009         return 0;
1010 }
1011 
1012 static const struct snd_soc_component_driver soc_component_dev_aic32x4 = {
1013         .probe                  = aic32x4_component_probe,
1014         .set_bias_level         = aic32x4_set_bias_level,
1015         .controls               = aic32x4_snd_controls,
1016         .num_controls           = ARRAY_SIZE(aic32x4_snd_controls),
1017         .dapm_widgets           = aic32x4_dapm_widgets,
1018         .num_dapm_widgets       = ARRAY_SIZE(aic32x4_dapm_widgets),
1019         .dapm_routes            = aic32x4_dapm_routes,
1020         .num_dapm_routes        = ARRAY_SIZE(aic32x4_dapm_routes),
1021         .suspend_bias_off       = 1,
1022         .idle_bias_on           = 1,
1023         .use_pmdown_time        = 1,
1024         .endianness             = 1,
1025         .non_legacy_dai_naming  = 1,
1026 };
1027 
1028 static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
1029                 struct device_node *np)
1030 {
1031         struct aic32x4_setup_data *aic32x4_setup;
1032         int ret;
1033 
1034         aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
1035                                                         GFP_KERNEL);
1036         if (!aic32x4_setup)
1037                 return -ENOMEM;
1038 
1039         ret = of_property_match_string(np, "clock-names", "mclk");
1040         if (ret < 0)
1041                 return -EINVAL;
1042         aic32x4->mclk_name = of_clk_get_parent_name(np, ret);
1043 
1044         aic32x4->swapdacs = false;
1045         aic32x4->micpga_routing = 0;
1046         aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
1047 
1048         if (of_property_read_u32_array(np, "aic32x4-gpio-func",
1049                                 aic32x4_setup->gpio_func, 5) >= 0)
1050                 aic32x4->setup = aic32x4_setup;
1051         return 0;
1052 }
1053 
1054 static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4)
1055 {
1056         regulator_disable(aic32x4->supply_iov);
1057 
1058         if (!IS_ERR(aic32x4->supply_ldo))
1059                 regulator_disable(aic32x4->supply_ldo);
1060 
1061         if (!IS_ERR(aic32x4->supply_dv))
1062                 regulator_disable(aic32x4->supply_dv);
1063 
1064         if (!IS_ERR(aic32x4->supply_av))
1065                 regulator_disable(aic32x4->supply_av);
1066 }
1067 
1068 static int aic32x4_setup_regulators(struct device *dev,
1069                 struct aic32x4_priv *aic32x4)
1070 {
1071         int ret = 0;
1072 
1073         aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin");
1074         aic32x4->supply_iov = devm_regulator_get(dev, "iov");
1075         aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv");
1076         aic32x4->supply_av = devm_regulator_get_optional(dev, "av");
1077 
1078         /* Check if the regulator requirements are fulfilled */
1079 
1080         if (IS_ERR(aic32x4->supply_iov)) {
1081                 dev_err(dev, "Missing supply 'iov'\n");
1082                 return PTR_ERR(aic32x4->supply_iov);
1083         }
1084 
1085         if (IS_ERR(aic32x4->supply_ldo)) {
1086                 if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
1087                         return -EPROBE_DEFER;
1088 
1089                 if (IS_ERR(aic32x4->supply_dv)) {
1090                         dev_err(dev, "Missing supply 'dv' or 'ldoin'\n");
1091                         return PTR_ERR(aic32x4->supply_dv);
1092                 }
1093                 if (IS_ERR(aic32x4->supply_av)) {
1094                         dev_err(dev, "Missing supply 'av' or 'ldoin'\n");
1095                         return PTR_ERR(aic32x4->supply_av);
1096                 }
1097         } else {
1098                 if (IS_ERR(aic32x4->supply_dv) &&
1099                                 PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
1100                         return -EPROBE_DEFER;
1101                 if (IS_ERR(aic32x4->supply_av) &&
1102                                 PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER)
1103                         return -EPROBE_DEFER;
1104         }
1105 
1106         ret = regulator_enable(aic32x4->supply_iov);
1107         if (ret) {
1108                 dev_err(dev, "Failed to enable regulator iov\n");
1109                 return ret;
1110         }
1111 
1112         if (!IS_ERR(aic32x4->supply_ldo)) {
1113                 ret = regulator_enable(aic32x4->supply_ldo);
1114                 if (ret) {
1115                         dev_err(dev, "Failed to enable regulator ldo\n");
1116                         goto error_ldo;
1117                 }
1118         }
1119 
1120         if (!IS_ERR(aic32x4->supply_dv)) {
1121                 ret = regulator_enable(aic32x4->supply_dv);
1122                 if (ret) {
1123                         dev_err(dev, "Failed to enable regulator dv\n");
1124                         goto error_dv;
1125                 }
1126         }
1127 
1128         if (!IS_ERR(aic32x4->supply_av)) {
1129                 ret = regulator_enable(aic32x4->supply_av);
1130                 if (ret) {
1131                         dev_err(dev, "Failed to enable regulator av\n");
1132                         goto error_av;
1133                 }
1134         }
1135 
1136         if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av))
1137                 aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE;
1138 
1139         return 0;
1140 
1141 error_av:
1142         if (!IS_ERR(aic32x4->supply_dv))
1143                 regulator_disable(aic32x4->supply_dv);
1144 
1145 error_dv:
1146         if (!IS_ERR(aic32x4->supply_ldo))
1147                 regulator_disable(aic32x4->supply_ldo);
1148 
1149 error_ldo:
1150         regulator_disable(aic32x4->supply_iov);
1151         return ret;
1152 }
1153 
1154 int aic32x4_probe(struct device *dev, struct regmap *regmap)
1155 {
1156         struct aic32x4_priv *aic32x4;
1157         struct aic32x4_pdata *pdata = dev->platform_data;
1158         struct device_node *np = dev->of_node;
1159         int ret;
1160 
1161         if (IS_ERR(regmap))
1162                 return PTR_ERR(regmap);
1163 
1164         aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv),
1165                                    GFP_KERNEL);
1166         if (aic32x4 == NULL)
1167                 return -ENOMEM;
1168 
1169         aic32x4->dev = dev;
1170         dev_set_drvdata(dev, aic32x4);
1171 
1172         if (pdata) {
1173                 aic32x4->power_cfg = pdata->power_cfg;
1174                 aic32x4->swapdacs = pdata->swapdacs;
1175                 aic32x4->micpga_routing = pdata->micpga_routing;
1176                 aic32x4->rstn_gpio = pdata->rstn_gpio;
1177                 aic32x4->mclk_name = "mclk";
1178         } else if (np) {
1179                 ret = aic32x4_parse_dt(aic32x4, np);
1180                 if (ret) {
1181                         dev_err(dev, "Failed to parse DT node\n");
1182                         return ret;
1183                 }
1184         } else {
1185                 aic32x4->power_cfg = 0;
1186                 aic32x4->swapdacs = false;
1187                 aic32x4->micpga_routing = 0;
1188                 aic32x4->rstn_gpio = -1;
1189                 aic32x4->mclk_name = "mclk";
1190         }
1191 
1192         ret = aic32x4_register_clocks(dev, aic32x4->mclk_name);
1193         if (ret)
1194                 return ret;
1195 
1196         if (gpio_is_valid(aic32x4->rstn_gpio)) {
1197                 ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio,
1198                                 GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
1199                 if (ret != 0)
1200                         return ret;
1201         }
1202 
1203         ret = aic32x4_setup_regulators(dev, aic32x4);
1204         if (ret) {
1205                 dev_err(dev, "Failed to setup regulators\n");
1206                 return ret;
1207         }
1208 
1209         ret = devm_snd_soc_register_component(dev,
1210                         &soc_component_dev_aic32x4, &aic32x4_dai, 1);
1211         if (ret) {
1212                 dev_err(dev, "Failed to register component\n");
1213                 aic32x4_disable_regulators(aic32x4);
1214                 return ret;
1215         }
1216 
1217         return 0;
1218 }
1219 EXPORT_SYMBOL(aic32x4_probe);
1220 
1221 int aic32x4_remove(struct device *dev)
1222 {
1223         struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);
1224 
1225         aic32x4_disable_regulators(aic32x4);
1226 
1227         return 0;
1228 }
1229 EXPORT_SYMBOL(aic32x4_remove);
1230 
1231 MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1232 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1233 MODULE_LICENSE("GPL");

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