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 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
  79static 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
  92static 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
 120static 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
 133static 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
 161static 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
 173static 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
 201static const struct snd_kcontrol_new aic32x4_mfp1[] = {
 202        SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
 203};
 204
 205static const struct snd_kcontrol_new aic32x4_mfp2[] = {
 206        SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
 207};
 208
 209static const struct snd_kcontrol_new aic32x4_mfp3[] = {
 210        SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
 211};
 212
 213static const struct snd_kcontrol_new aic32x4_mfp4[] = {
 214        SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
 215};
 216
 217static 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 */
 223static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
 224/* -63.5dB min, 0.5dB steps */
 225static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
 226/* -6dB min, 1dB steps */
 227static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
 228/* -12dB min, 0.5dB steps */
 229static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
 230
 231static const char * const lo_cm_text[] = {
 232        "Full Chip", "1.65V",
 233};
 234
 235static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text);
 236
 237static const char * const ptm_text[] = {
 238        "P3", "P2", "P1",
 239};
 240
 241static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text);
 242static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_text);
 243
 244static 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
 295static 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
 300static 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
 305static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
 306        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
 307};
 308
 309static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
 310        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
 311};
 312
 313static const char * const resistor_text[] = {
 314        "Off", "10 kOhm", "20 kOhm", "40 kOhm",
 315};
 316
 317/* Left mixer pins */
 318static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
 319static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
 320static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
 321static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
 322
 323static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
 324static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
 325static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
 326
 327static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
 328        SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
 329};
 330static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
 331        SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
 332};
 333static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
 334        SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
 335};
 336static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
 337        SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
 338};
 339static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
 340        SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
 341};
 342static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
 343        SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
 344};
 345static 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 */
 350static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
 351static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
 352static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
 353static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
 354static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
 355static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
 356static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
 357
 358static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
 359        SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
 360};
 361static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
 362        SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
 363};
 364static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
 365        SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
 366};
 367static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
 368        SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
 369};
 370static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
 371        SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
 372};
 373static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
 374        SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
 375};
 376static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
 377        SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
 378};
 379
 380static 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
 452static 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
 550static 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
 561const 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};
 566EXPORT_SYMBOL(aic32x4_regmap_config);
 567
 568static 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
 581static 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
 638static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
 639{
 640        return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
 641}
 642
 643static 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
 652static 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
 664static 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
 766static 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
 812static 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
 822static 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
 864static 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
 871static 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
 889static 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
 935static 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
1012static 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
1028static 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
1054static 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
1068static 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
1141error_av:
1142        if (!IS_ERR(aic32x4->supply_dv))
1143                regulator_disable(aic32x4->supply_dv);
1144
1145error_dv:
1146        if (!IS_ERR(aic32x4->supply_ldo))
1147                regulator_disable(aic32x4->supply_ldo);
1148
1149error_ldo:
1150        regulator_disable(aic32x4->supply_iov);
1151        return ret;
1152}
1153
1154int 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}
1219EXPORT_SYMBOL(aic32x4_probe);
1220
1221int 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}
1229EXPORT_SYMBOL(aic32x4_remove);
1230
1231MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1232MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1233MODULE_LICENSE("GPL");
1234