linux/sound/soc/codecs/tlv320aic32x4.c
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   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
  36struct 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
  53static 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
  75static 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
 101static 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
 114static 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
 142static 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
 155static 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
 183static 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
 195static 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
 223static const struct snd_kcontrol_new aic32x4_mfp1[] = {
 224        SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
 225};
 226
 227static const struct snd_kcontrol_new aic32x4_mfp2[] = {
 228        SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
 229};
 230
 231static const struct snd_kcontrol_new aic32x4_mfp3[] = {
 232        SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
 233};
 234
 235static const struct snd_kcontrol_new aic32x4_mfp4[] = {
 236        SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
 237};
 238
 239static 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 */
 245static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
 246/* -63.5dB min, 0.5dB steps */
 247static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
 248/* -6dB min, 1dB steps */
 249static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
 250/* -12dB min, 0.5dB steps */
 251static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
 252
 253static const char * const lo_cm_text[] = {
 254        "Full Chip", "1.65V",
 255};
 256
 257static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text);
 258
 259static const char * const ptm_text[] = {
 260        "P3", "P2", "P1",
 261};
 262
 263static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text);
 264static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_text);
 265
 266static 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
 317static 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
 322static 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
 327static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
 328        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
 329};
 330
 331static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
 332        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
 333};
 334
 335static const char * const resistor_text[] = {
 336        "Off", "10 kOhm", "20 kOhm", "40 kOhm",
 337};
 338
 339/* Left mixer pins */
 340static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
 341static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
 342static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
 343static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
 344
 345static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
 346static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
 347static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
 348
 349static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
 350        SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
 351};
 352static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
 353        SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
 354};
 355static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
 356        SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
 357};
 358static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
 359        SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
 360};
 361static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
 362        SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
 363};
 364static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
 365        SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
 366};
 367static 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 */
 372static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
 373static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
 374static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
 375static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
 376static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
 377static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
 378static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
 379
 380static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
 381        SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
 382};
 383static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
 384        SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
 385};
 386static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
 387        SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
 388};
 389static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
 390        SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
 391};
 392static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
 393        SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
 394};
 395static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
 396        SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
 397};
 398static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
 399        SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
 400};
 401
 402static 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
 475static 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
 573static 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
 584const 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};
 589EXPORT_SYMBOL(aic32x4_regmap_config);
 590
 591static 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
 607static 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
 664static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
 665{
 666        return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
 667}
 668
 669static 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
 678static 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
 690static 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
 795static 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
 843static 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
 853static 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
 896static 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
 904static 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
 922static 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
 968static 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
1045static 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
1061static 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
1087static 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
1101static 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
1172error_av:
1173        if (!IS_ERR(aic32x4->supply_dv))
1174                regulator_disable(aic32x4->supply_dv);
1175
1176error_dv:
1177        if (!IS_ERR(aic32x4->supply_ldo))
1178                regulator_disable(aic32x4->supply_ldo);
1179
1180error_ldo:
1181        regulator_disable(aic32x4->supply_iov);
1182        return ret;
1183}
1184
1185int 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
1259err_disable_regulators:
1260        aic32x4_disable_regulators(aic32x4);
1261
1262        return ret;
1263}
1264EXPORT_SYMBOL(aic32x4_probe);
1265
1266int 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}
1274EXPORT_SYMBOL(aic32x4_remove);
1275
1276MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1277MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1278MODULE_LICENSE("GPL");
1279