linux/sound/soc/codecs/tlv320aic32x4.c
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   1/*
   2 * linux/sound/soc/codecs/tlv320aic32x4.c
   3 *
   4 * Copyright 2011 Vista Silicon S.L.
   5 *
   6 * Author: Javier Martin <javier.martin@vista-silicon.com>
   7 *
   8 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation; either version 2 of the License, or
  13 * (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 *
  20 * You should have received a copy of the GNU General Public License
  21 * along with this program; if not, write to the Free Software
  22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  23 * MA 02110-1301, USA.
  24 */
  25
  26#include <linux/module.h>
  27#include <linux/moduleparam.h>
  28#include <linux/init.h>
  29#include <linux/delay.h>
  30#include <linux/pm.h>
  31#include <linux/gpio.h>
  32#include <linux/of_gpio.h>
  33#include <linux/cdev.h>
  34#include <linux/slab.h>
  35#include <linux/clk.h>
  36#include <linux/regulator/consumer.h>
  37
  38#include <sound/tlv320aic32x4.h>
  39#include <sound/core.h>
  40#include <sound/pcm.h>
  41#include <sound/pcm_params.h>
  42#include <sound/soc.h>
  43#include <sound/soc-dapm.h>
  44#include <sound/initval.h>
  45#include <sound/tlv.h>
  46
  47#include "tlv320aic32x4.h"
  48
  49struct aic32x4_rate_divs {
  50        u32 mclk;
  51        u32 rate;
  52        u8 p_val;
  53        u8 pll_j;
  54        u16 pll_d;
  55        u16 dosr;
  56        u8 ndac;
  57        u8 mdac;
  58        u8 aosr;
  59        u8 nadc;
  60        u8 madc;
  61        u8 blck_N;
  62};
  63
  64struct aic32x4_priv {
  65        struct regmap *regmap;
  66        u32 sysclk;
  67        u32 power_cfg;
  68        u32 micpga_routing;
  69        bool swapdacs;
  70        int rstn_gpio;
  71        struct clk *mclk;
  72
  73        struct regulator *supply_ldo;
  74        struct regulator *supply_iov;
  75        struct regulator *supply_dv;
  76        struct regulator *supply_av;
  77
  78        struct aic32x4_setup_data *setup;
  79        struct device *dev;
  80};
  81
  82static int mic_bias_event(struct snd_soc_dapm_widget *w,
  83        struct snd_kcontrol *kcontrol, int event)
  84{
  85        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
  86
  87        switch (event) {
  88        case SND_SOC_DAPM_POST_PMU:
  89                /* Change Mic Bias Registor */
  90                snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
  91                                AIC32x4_MICBIAS_MASK,
  92                                AIC32X4_MICBIAS_LDOIN |
  93                                AIC32X4_MICBIAS_2075V);
  94                printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__);
  95                break;
  96        case SND_SOC_DAPM_PRE_PMD:
  97                snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
  98                                AIC32x4_MICBIAS_MASK, 0);
  99                printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n",
 100                                __func__);
 101                break;
 102        }
 103
 104        return 0;
 105}
 106
 107
 108static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol,
 109        struct snd_ctl_elem_value *ucontrol)
 110{
 111        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 112        u8 val;
 113
 114        val = snd_soc_component_read32(component, AIC32X4_DINCTL);
 115
 116        ucontrol->value.integer.value[0] = (val & 0x01);
 117
 118        return 0;
 119};
 120
 121static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol,
 122        struct snd_ctl_elem_value *ucontrol)
 123{
 124        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 125        u8 val;
 126        u8 gpio_check;
 127
 128        val = snd_soc_component_read32(component, AIC32X4_DOUTCTL);
 129        gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
 130        if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
 131                printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n",
 132                        __func__);
 133                return -EINVAL;
 134        }
 135
 136        if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH))
 137                return 0;
 138
 139        if (ucontrol->value.integer.value[0])
 140                val |= ucontrol->value.integer.value[0];
 141        else
 142                val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH;
 143
 144        snd_soc_component_write(component, AIC32X4_DOUTCTL, val);
 145
 146        return 0;
 147};
 148
 149static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol,
 150        struct snd_ctl_elem_value *ucontrol)
 151{
 152        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 153        u8 val;
 154
 155        val = snd_soc_component_read32(component, AIC32X4_SCLKCTL);
 156
 157        ucontrol->value.integer.value[0] = (val & 0x01);
 158
 159        return 0;
 160};
 161
 162static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol,
 163        struct snd_ctl_elem_value *ucontrol)
 164{
 165        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 166        u8 val;
 167        u8 gpio_check;
 168
 169        val = snd_soc_component_read32(component, AIC32X4_MISOCTL);
 170        gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
 171        if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
 172                printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n",
 173                        __func__);
 174                return -EINVAL;
 175        }
 176
 177        if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH))
 178                return 0;
 179
 180        if (ucontrol->value.integer.value[0])
 181                val |= ucontrol->value.integer.value[0];
 182        else
 183                val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH;
 184
 185        snd_soc_component_write(component, AIC32X4_MISOCTL, val);
 186
 187        return 0;
 188};
 189
 190static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol,
 191        struct snd_ctl_elem_value *ucontrol)
 192{
 193        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 194        u8 val;
 195
 196        val = snd_soc_component_read32(component, AIC32X4_GPIOCTL);
 197        ucontrol->value.integer.value[0] = ((val & 0x2) >> 1);
 198
 199        return 0;
 200};
 201
 202static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol,
 203        struct snd_ctl_elem_value *ucontrol)
 204{
 205        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 206        u8 val;
 207        u8 gpio_check;
 208
 209        val = snd_soc_component_read32(component, AIC32X4_GPIOCTL);
 210        gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT);
 211        if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) {
 212                printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n",
 213                        __func__);
 214                return -EINVAL;
 215        }
 216
 217        if (ucontrol->value.integer.value[0] == (val & 0x1))
 218                return 0;
 219
 220        if (ucontrol->value.integer.value[0])
 221                val |= ucontrol->value.integer.value[0];
 222        else
 223                val &= 0xfe;
 224
 225        snd_soc_component_write(component, AIC32X4_GPIOCTL, val);
 226
 227        return 0;
 228};
 229
 230static const struct snd_kcontrol_new aic32x4_mfp1[] = {
 231        SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
 232};
 233
 234static const struct snd_kcontrol_new aic32x4_mfp2[] = {
 235        SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
 236};
 237
 238static const struct snd_kcontrol_new aic32x4_mfp3[] = {
 239        SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
 240};
 241
 242static const struct snd_kcontrol_new aic32x4_mfp4[] = {
 243        SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
 244};
 245
 246static const struct snd_kcontrol_new aic32x4_mfp5[] = {
 247        SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio,
 248                aic32x4_set_mfp5_gpio),
 249};
 250
 251/* 0dB min, 0.5dB steps */
 252static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
 253/* -63.5dB min, 0.5dB steps */
 254static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
 255/* -6dB min, 1dB steps */
 256static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
 257/* -12dB min, 0.5dB steps */
 258static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
 259
 260static const struct snd_kcontrol_new aic32x4_snd_controls[] = {
 261        SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL,
 262                        AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm),
 263        SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN,
 264                        AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0,
 265                        tlv_driver_gain),
 266        SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN,
 267                        AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0,
 268                        tlv_driver_gain),
 269        SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN,
 270                        AIC32X4_HPRGAIN, 6, 0x01, 1),
 271        SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN,
 272                        AIC32X4_LORGAIN, 6, 0x01, 1),
 273        SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL,
 274                        AIC32X4_RMICPGAVOL, 7, 0x01, 1),
 275
 276        SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0),
 277        SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0),
 278
 279        SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL,
 280                        AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol),
 281        SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL,
 282                        AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5),
 283
 284        SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0),
 285
 286        SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0),
 287        SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0),
 288        SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1,
 289                        4, 0x07, 0),
 290        SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1,
 291                        0, 0x03, 0),
 292        SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2,
 293                        6, 0x03, 0),
 294        SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2,
 295                        1, 0x1F, 0),
 296        SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3,
 297                        0, 0x7F, 0),
 298        SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4,
 299                        3, 0x1F, 0),
 300        SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5,
 301                        3, 0x1F, 0),
 302        SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6,
 303                        0, 0x1F, 0),
 304        SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7,
 305                        0, 0x0F, 0),
 306};
 307
 308static const struct aic32x4_rate_divs aic32x4_divs[] = {
 309        /* 8k rate */
 310        {12000000, 8000, 1, 7, 6800, 768, 5, 3, 128, 5, 18, 24},
 311        {24000000, 8000, 2, 7, 6800, 768, 15, 1, 64, 45, 4, 24},
 312        {25000000, 8000, 2, 7, 3728, 768, 15, 1, 64, 45, 4, 24},
 313        /* 11.025k rate */
 314        {12000000, 11025, 1, 7, 5264, 512, 8, 2, 128, 8, 8, 16},
 315        {24000000, 11025, 2, 7, 5264, 512, 16, 1, 64, 32, 4, 16},
 316        /* 16k rate */
 317        {12000000, 16000, 1, 7, 6800, 384, 5, 3, 128, 5, 9, 12},
 318        {24000000, 16000, 2, 7, 6800, 384, 15, 1, 64, 18, 5, 12},
 319        {25000000, 16000, 2, 7, 3728, 384, 15, 1, 64, 18, 5, 12},
 320        /* 22.05k rate */
 321        {12000000, 22050, 1, 7, 5264, 256, 4, 4, 128, 4, 8, 8},
 322        {24000000, 22050, 2, 7, 5264, 256, 16, 1, 64, 16, 4, 8},
 323        {25000000, 22050, 2, 7, 2253, 256, 16, 1, 64, 16, 4, 8},
 324        /* 32k rate */
 325        {12000000, 32000, 1, 7, 1680, 192, 2, 7, 64, 2, 21, 6},
 326        {24000000, 32000, 2, 7, 1680, 192, 7, 2, 64, 7, 6, 6},
 327        /* 44.1k rate */
 328        {12000000, 44100, 1, 7, 5264, 128, 2, 8, 128, 2, 8, 4},
 329        {24000000, 44100, 2, 7, 5264, 128, 8, 2, 64, 8, 4, 4},
 330        {25000000, 44100, 2, 7, 2253, 128, 8, 2, 64, 8, 4, 4},
 331        /* 48k rate */
 332        {12000000, 48000, 1, 8, 1920, 128, 2, 8, 128, 2, 8, 4},
 333        {24000000, 48000, 2, 8, 1920, 128, 8, 2, 64, 8, 4, 4},
 334        {25000000, 48000, 2, 7, 8643, 128, 8, 2, 64, 8, 4, 4},
 335
 336        /* 96k rate */
 337        {25000000, 96000, 2, 7, 8643, 64, 4, 4, 64, 4, 4, 1},
 338};
 339
 340static const struct snd_kcontrol_new hpl_output_mixer_controls[] = {
 341        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0),
 342        SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0),
 343};
 344
 345static const struct snd_kcontrol_new hpr_output_mixer_controls[] = {
 346        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0),
 347        SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0),
 348};
 349
 350static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
 351        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
 352};
 353
 354static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
 355        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
 356};
 357
 358static const char * const resistor_text[] = {
 359        "Off", "10 kOhm", "20 kOhm", "40 kOhm",
 360};
 361
 362/* Left mixer pins */
 363static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
 364static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
 365static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
 366static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
 367
 368static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
 369static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
 370static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
 371
 372static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
 373        SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
 374};
 375static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
 376        SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
 377};
 378static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
 379        SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
 380};
 381static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
 382        SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
 383};
 384static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
 385        SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
 386};
 387static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
 388        SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
 389};
 390static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = {
 391        SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum),
 392};
 393
 394/*  Right mixer pins */
 395static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
 396static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
 397static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
 398static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
 399static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
 400static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
 401static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
 402
 403static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
 404        SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
 405};
 406static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
 407        SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
 408};
 409static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
 410        SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
 411};
 412static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
 413        SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
 414};
 415static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
 416        SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
 417};
 418static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
 419        SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
 420};
 421static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
 422        SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
 423};
 424
 425static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
 426        SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0),
 427        SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0,
 428                           &hpl_output_mixer_controls[0],
 429                           ARRAY_SIZE(hpl_output_mixer_controls)),
 430        SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0),
 431
 432        SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0,
 433                           &lol_output_mixer_controls[0],
 434                           ARRAY_SIZE(lol_output_mixer_controls)),
 435        SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0),
 436
 437        SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0),
 438        SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0,
 439                           &hpr_output_mixer_controls[0],
 440                           ARRAY_SIZE(hpr_output_mixer_controls)),
 441        SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0),
 442        SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0,
 443                           &lor_output_mixer_controls[0],
 444                           ARRAY_SIZE(lor_output_mixer_controls)),
 445        SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0),
 446
 447        SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0),
 448        SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 449                        in1r_to_rmixer_controls),
 450        SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 451                        in2r_to_rmixer_controls),
 452        SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 453                        in3r_to_rmixer_controls),
 454        SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 455                        in2l_to_rmixer_controls),
 456        SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 457                        cmr_to_rmixer_controls),
 458        SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 459                        in1l_to_rmixer_controls),
 460        SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 461                        in3l_to_rmixer_controls),
 462
 463        SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
 464        SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 465                        in1l_to_lmixer_controls),
 466        SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 467                        in2l_to_lmixer_controls),
 468        SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 469                        in3l_to_lmixer_controls),
 470        SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 471                        in1r_to_lmixer_controls),
 472        SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 473                        cml_to_lmixer_controls),
 474        SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 475                        in2r_to_lmixer_controls),
 476        SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 477                        in3r_to_lmixer_controls),
 478
 479        SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event,
 480                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 481
 482
 483        SND_SOC_DAPM_OUTPUT("HPL"),
 484        SND_SOC_DAPM_OUTPUT("HPR"),
 485        SND_SOC_DAPM_OUTPUT("LOL"),
 486        SND_SOC_DAPM_OUTPUT("LOR"),
 487        SND_SOC_DAPM_INPUT("IN1_L"),
 488        SND_SOC_DAPM_INPUT("IN1_R"),
 489        SND_SOC_DAPM_INPUT("IN2_L"),
 490        SND_SOC_DAPM_INPUT("IN2_R"),
 491        SND_SOC_DAPM_INPUT("IN3_L"),
 492        SND_SOC_DAPM_INPUT("IN3_R"),
 493        SND_SOC_DAPM_INPUT("CM_L"),
 494        SND_SOC_DAPM_INPUT("CM_R"),
 495};
 496
 497static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
 498        /* Left Output */
 499        {"HPL Output Mixer", "L_DAC Switch", "Left DAC"},
 500        {"HPL Output Mixer", "IN1_L Switch", "IN1_L"},
 501
 502        {"HPL Power", NULL, "HPL Output Mixer"},
 503        {"HPL", NULL, "HPL Power"},
 504
 505        {"LOL Output Mixer", "L_DAC Switch", "Left DAC"},
 506
 507        {"LOL Power", NULL, "LOL Output Mixer"},
 508        {"LOL", NULL, "LOL Power"},
 509
 510        /* Right Output */
 511        {"HPR Output Mixer", "R_DAC Switch", "Right DAC"},
 512        {"HPR Output Mixer", "IN1_R Switch", "IN1_R"},
 513
 514        {"HPR Power", NULL, "HPR Output Mixer"},
 515        {"HPR", NULL, "HPR Power"},
 516
 517        {"LOR Output Mixer", "R_DAC Switch", "Right DAC"},
 518
 519        {"LOR Power", NULL, "LOR Output Mixer"},
 520        {"LOR", NULL, "LOR Power"},
 521
 522        /* Right Input */
 523        {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"},
 524        {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"},
 525        {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"},
 526        {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"},
 527
 528        {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"},
 529        {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"},
 530        {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"},
 531        {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"},
 532
 533        {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"},
 534        {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"},
 535        {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"},
 536        {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"},
 537
 538        {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"},
 539        {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"},
 540        {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"},
 541        {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"},
 542
 543        {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"},
 544        {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"},
 545        {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"},
 546        {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"},
 547
 548        {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"},
 549        {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"},
 550        {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"},
 551        {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"},
 552
 553        {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"},
 554        {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"},
 555        {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"},
 556        {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"},
 557
 558        /* Left Input */
 559        {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"},
 560        {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"},
 561        {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"},
 562        {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"},
 563
 564        {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"},
 565        {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"},
 566        {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"},
 567        {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"},
 568
 569        {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"},
 570        {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"},
 571        {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"},
 572        {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"},
 573
 574        {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"},
 575        {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"},
 576        {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"},
 577        {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"},
 578
 579        {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"},
 580        {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"},
 581        {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"},
 582        {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"},
 583
 584        {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"},
 585        {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"},
 586        {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"},
 587        {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"},
 588
 589        {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"},
 590        {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"},
 591        {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"},
 592        {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"},
 593};
 594
 595static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
 596        {
 597                .selector_reg = 0,
 598                .selector_mask  = 0xff,
 599                .window_start = 0,
 600                .window_len = 128,
 601                .range_min = 0,
 602                .range_max = AIC32X4_RMICPGAVOL,
 603        },
 604};
 605
 606const struct regmap_config aic32x4_regmap_config = {
 607        .max_register = AIC32X4_RMICPGAVOL,
 608        .ranges = aic32x4_regmap_pages,
 609        .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
 610};
 611EXPORT_SYMBOL(aic32x4_regmap_config);
 612
 613static inline int aic32x4_get_divs(int mclk, int rate)
 614{
 615        int i;
 616
 617        for (i = 0; i < ARRAY_SIZE(aic32x4_divs); i++) {
 618                if ((aic32x4_divs[i].rate == rate)
 619                    && (aic32x4_divs[i].mclk == mclk)) {
 620                        return i;
 621                }
 622        }
 623        printk(KERN_ERR "aic32x4: master clock and sample rate is not supported\n");
 624        return -EINVAL;
 625}
 626
 627static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 628                                  int clk_id, unsigned int freq, int dir)
 629{
 630        struct snd_soc_component *component = codec_dai->component;
 631        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 632
 633        switch (freq) {
 634        case 12000000:
 635        case 24000000:
 636        case 25000000:
 637                aic32x4->sysclk = freq;
 638                return 0;
 639        }
 640        printk(KERN_ERR "aic32x4: invalid frequency to set DAI system clock\n");
 641        return -EINVAL;
 642}
 643
 644static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 645{
 646        struct snd_soc_component *component = codec_dai->component;
 647        u8 iface_reg_1 = 0;
 648        u8 iface_reg_2 = 0;
 649        u8 iface_reg_3 = 0;
 650
 651        /* set master/slave audio interface */
 652        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 653        case SND_SOC_DAIFMT_CBM_CFM:
 654                iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
 655                break;
 656        case SND_SOC_DAIFMT_CBS_CFS:
 657                break;
 658        default:
 659                printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n");
 660                return -EINVAL;
 661        }
 662
 663        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 664        case SND_SOC_DAIFMT_I2S:
 665                break;
 666        case SND_SOC_DAIFMT_DSP_A:
 667                iface_reg_1 |= (AIC32X4_DSP_MODE <<
 668                                AIC32X4_IFACE1_DATATYPE_SHIFT);
 669                iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
 670                iface_reg_2 = 0x01; /* add offset 1 */
 671                break;
 672        case SND_SOC_DAIFMT_DSP_B:
 673                iface_reg_1 |= (AIC32X4_DSP_MODE <<
 674                                AIC32X4_IFACE1_DATATYPE_SHIFT);
 675                iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
 676                break;
 677        case SND_SOC_DAIFMT_RIGHT_J:
 678                iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
 679                                AIC32X4_IFACE1_DATATYPE_SHIFT);
 680                break;
 681        case SND_SOC_DAIFMT_LEFT_J:
 682                iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE <<
 683                                AIC32X4_IFACE1_DATATYPE_SHIFT);
 684                break;
 685        default:
 686                printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
 687                return -EINVAL;
 688        }
 689
 690        snd_soc_component_update_bits(component, AIC32X4_IFACE1,
 691                            AIC32X4_IFACE1_DATATYPE_MASK |
 692                            AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
 693        snd_soc_component_update_bits(component, AIC32X4_IFACE2,
 694                            AIC32X4_DATA_OFFSET_MASK, iface_reg_2);
 695        snd_soc_component_update_bits(component, AIC32X4_IFACE3,
 696                            AIC32X4_BCLKINV_MASK, iface_reg_3);
 697
 698        return 0;
 699}
 700
 701static int aic32x4_hw_params(struct snd_pcm_substream *substream,
 702                             struct snd_pcm_hw_params *params,
 703                             struct snd_soc_dai *dai)
 704{
 705        struct snd_soc_component *component = dai->component;
 706        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 707        u8 iface1_reg = 0;
 708        u8 dacsetup_reg = 0;
 709        int i;
 710
 711        i = aic32x4_get_divs(aic32x4->sysclk, params_rate(params));
 712        if (i < 0) {
 713                printk(KERN_ERR "aic32x4: sampling rate not supported\n");
 714                return i;
 715        }
 716
 717        /* MCLK as PLL_CLKIN */
 718        snd_soc_component_update_bits(component, AIC32X4_CLKMUX, AIC32X4_PLL_CLKIN_MASK,
 719                            AIC32X4_PLL_CLKIN_MCLK << AIC32X4_PLL_CLKIN_SHIFT);
 720        /* PLL as CODEC_CLKIN */
 721        snd_soc_component_update_bits(component, AIC32X4_CLKMUX, AIC32X4_CODEC_CLKIN_MASK,
 722                            AIC32X4_CODEC_CLKIN_PLL << AIC32X4_CODEC_CLKIN_SHIFT);
 723        /* DAC_MOD_CLK as BDIV_CLKIN */
 724        snd_soc_component_update_bits(component, AIC32X4_IFACE3, AIC32X4_BDIVCLK_MASK,
 725                            AIC32X4_DACMOD2BCLK << AIC32X4_BDIVCLK_SHIFT);
 726
 727        /* We will fix R value to 1 and will make P & J=K.D as variable */
 728        snd_soc_component_update_bits(component, AIC32X4_PLLPR, AIC32X4_PLL_R_MASK, 0x01);
 729
 730        /* PLL P value */
 731        snd_soc_component_update_bits(component, AIC32X4_PLLPR, AIC32X4_PLL_P_MASK,
 732                            aic32x4_divs[i].p_val << AIC32X4_PLL_P_SHIFT);
 733
 734        /* PLL J value */
 735        snd_soc_component_write(component, AIC32X4_PLLJ, aic32x4_divs[i].pll_j);
 736
 737        /* PLL D value */
 738        snd_soc_component_write(component, AIC32X4_PLLDMSB, (aic32x4_divs[i].pll_d >> 8));
 739        snd_soc_component_write(component, AIC32X4_PLLDLSB, (aic32x4_divs[i].pll_d & 0xff));
 740
 741        /* NDAC divider value */
 742        snd_soc_component_update_bits(component, AIC32X4_NDAC,
 743                            AIC32X4_NDAC_MASK, aic32x4_divs[i].ndac);
 744
 745        /* MDAC divider value */
 746        snd_soc_component_update_bits(component, AIC32X4_MDAC,
 747                            AIC32X4_MDAC_MASK, aic32x4_divs[i].mdac);
 748
 749        /* DOSR MSB & LSB values */
 750        snd_soc_component_write(component, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8);
 751        snd_soc_component_write(component, AIC32X4_DOSRLSB, (aic32x4_divs[i].dosr & 0xff));
 752
 753        /* NADC divider value */
 754        snd_soc_component_update_bits(component, AIC32X4_NADC,
 755                            AIC32X4_NADC_MASK, aic32x4_divs[i].nadc);
 756
 757        /* MADC divider value */
 758        snd_soc_component_update_bits(component, AIC32X4_MADC,
 759                            AIC32X4_MADC_MASK, aic32x4_divs[i].madc);
 760
 761        /* AOSR value */
 762        snd_soc_component_write(component, AIC32X4_AOSR, aic32x4_divs[i].aosr);
 763
 764        /* BCLK N divider */
 765        snd_soc_component_update_bits(component, AIC32X4_BCLKN,
 766                            AIC32X4_BCLK_MASK, aic32x4_divs[i].blck_N);
 767
 768        switch (params_width(params)) {
 769        case 16:
 770                iface1_reg |= (AIC32X4_WORD_LEN_16BITS <<
 771                               AIC32X4_IFACE1_DATALEN_SHIFT);
 772                break;
 773        case 20:
 774                iface1_reg |= (AIC32X4_WORD_LEN_20BITS <<
 775                               AIC32X4_IFACE1_DATALEN_SHIFT);
 776                break;
 777        case 24:
 778                iface1_reg |= (AIC32X4_WORD_LEN_24BITS <<
 779                               AIC32X4_IFACE1_DATALEN_SHIFT);
 780                break;
 781        case 32:
 782                iface1_reg |= (AIC32X4_WORD_LEN_32BITS <<
 783                               AIC32X4_IFACE1_DATALEN_SHIFT);
 784                break;
 785        }
 786        snd_soc_component_update_bits(component, AIC32X4_IFACE1,
 787                            AIC32X4_IFACE1_DATALEN_MASK, iface1_reg);
 788
 789        if (params_channels(params) == 1) {
 790                dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
 791        } else {
 792                if (aic32x4->swapdacs)
 793                        dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
 794                else
 795                        dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
 796        }
 797        snd_soc_component_update_bits(component, AIC32X4_DACSETUP,
 798                            AIC32X4_DAC_CHAN_MASK, dacsetup_reg);
 799
 800        return 0;
 801}
 802
 803static int aic32x4_mute(struct snd_soc_dai *dai, int mute)
 804{
 805        struct snd_soc_component *component = dai->component;
 806
 807        snd_soc_component_update_bits(component, AIC32X4_DACMUTE,
 808                            AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0);
 809
 810        return 0;
 811}
 812
 813static int aic32x4_set_bias_level(struct snd_soc_component *component,
 814                                  enum snd_soc_bias_level level)
 815{
 816        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 817        int ret;
 818
 819        switch (level) {
 820        case SND_SOC_BIAS_ON:
 821                /* Switch on master clock */
 822                ret = clk_prepare_enable(aic32x4->mclk);
 823                if (ret) {
 824                        dev_err(component->dev, "Failed to enable master clock\n");
 825                        return ret;
 826                }
 827
 828                /* Switch on PLL */
 829                snd_soc_component_update_bits(component, AIC32X4_PLLPR,
 830                                    AIC32X4_PLLEN, AIC32X4_PLLEN);
 831
 832                /* Switch on NDAC Divider */
 833                snd_soc_component_update_bits(component, AIC32X4_NDAC,
 834                                    AIC32X4_NDACEN, AIC32X4_NDACEN);
 835
 836                /* Switch on MDAC Divider */
 837                snd_soc_component_update_bits(component, AIC32X4_MDAC,
 838                                    AIC32X4_MDACEN, AIC32X4_MDACEN);
 839
 840                /* Switch on NADC Divider */
 841                snd_soc_component_update_bits(component, AIC32X4_NADC,
 842                                    AIC32X4_NADCEN, AIC32X4_NADCEN);
 843
 844                /* Switch on MADC Divider */
 845                snd_soc_component_update_bits(component, AIC32X4_MADC,
 846                                    AIC32X4_MADCEN, AIC32X4_MADCEN);
 847
 848                /* Switch on BCLK_N Divider */
 849                snd_soc_component_update_bits(component, AIC32X4_BCLKN,
 850                                    AIC32X4_BCLKEN, AIC32X4_BCLKEN);
 851                break;
 852        case SND_SOC_BIAS_PREPARE:
 853                break;
 854        case SND_SOC_BIAS_STANDBY:
 855                /* Initial cold start */
 856                if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
 857                        break;
 858
 859                /* Switch off BCLK_N Divider */
 860                snd_soc_component_update_bits(component, AIC32X4_BCLKN,
 861                                    AIC32X4_BCLKEN, 0);
 862
 863                /* Switch off MADC Divider */
 864                snd_soc_component_update_bits(component, AIC32X4_MADC,
 865                                    AIC32X4_MADCEN, 0);
 866
 867                /* Switch off NADC Divider */
 868                snd_soc_component_update_bits(component, AIC32X4_NADC,
 869                                    AIC32X4_NADCEN, 0);
 870
 871                /* Switch off MDAC Divider */
 872                snd_soc_component_update_bits(component, AIC32X4_MDAC,
 873                                    AIC32X4_MDACEN, 0);
 874
 875                /* Switch off NDAC Divider */
 876                snd_soc_component_update_bits(component, AIC32X4_NDAC,
 877                                    AIC32X4_NDACEN, 0);
 878
 879                /* Switch off PLL */
 880                snd_soc_component_update_bits(component, AIC32X4_PLLPR,
 881                                    AIC32X4_PLLEN, 0);
 882
 883                /* Switch off master clock */
 884                clk_disable_unprepare(aic32x4->mclk);
 885                break;
 886        case SND_SOC_BIAS_OFF:
 887                break;
 888        }
 889        return 0;
 890}
 891
 892#define AIC32X4_RATES   SNDRV_PCM_RATE_8000_96000
 893#define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
 894                         | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
 895
 896static const struct snd_soc_dai_ops aic32x4_ops = {
 897        .hw_params = aic32x4_hw_params,
 898        .digital_mute = aic32x4_mute,
 899        .set_fmt = aic32x4_set_dai_fmt,
 900        .set_sysclk = aic32x4_set_dai_sysclk,
 901};
 902
 903static struct snd_soc_dai_driver aic32x4_dai = {
 904        .name = "tlv320aic32x4-hifi",
 905        .playback = {
 906                     .stream_name = "Playback",
 907                     .channels_min = 1,
 908                     .channels_max = 2,
 909                     .rates = AIC32X4_RATES,
 910                     .formats = AIC32X4_FORMATS,},
 911        .capture = {
 912                    .stream_name = "Capture",
 913                    .channels_min = 1,
 914                    .channels_max = 2,
 915                    .rates = AIC32X4_RATES,
 916                    .formats = AIC32X4_FORMATS,},
 917        .ops = &aic32x4_ops,
 918        .symmetric_rates = 1,
 919};
 920
 921static void aic32x4_setup_gpios(struct snd_soc_component *component)
 922{
 923        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 924
 925        /* setup GPIO functions */
 926        /* MFP1 */
 927        if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
 928                snd_soc_component_write(component, AIC32X4_DINCTL,
 929                      aic32x4->setup->gpio_func[0]);
 930                snd_soc_add_component_controls(component, aic32x4_mfp1,
 931                        ARRAY_SIZE(aic32x4_mfp1));
 932        }
 933
 934        /* MFP2 */
 935        if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
 936                snd_soc_component_write(component, AIC32X4_DOUTCTL,
 937                      aic32x4->setup->gpio_func[1]);
 938                snd_soc_add_component_controls(component, aic32x4_mfp2,
 939                        ARRAY_SIZE(aic32x4_mfp2));
 940        }
 941
 942        /* MFP3 */
 943        if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
 944                snd_soc_component_write(component, AIC32X4_SCLKCTL,
 945                      aic32x4->setup->gpio_func[2]);
 946                snd_soc_add_component_controls(component, aic32x4_mfp3,
 947                        ARRAY_SIZE(aic32x4_mfp3));
 948        }
 949
 950        /* MFP4 */
 951        if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
 952                snd_soc_component_write(component, AIC32X4_MISOCTL,
 953                      aic32x4->setup->gpio_func[3]);
 954                snd_soc_add_component_controls(component, aic32x4_mfp4,
 955                        ARRAY_SIZE(aic32x4_mfp4));
 956        }
 957
 958        /* MFP5 */
 959        if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
 960                snd_soc_component_write(component, AIC32X4_GPIOCTL,
 961                      aic32x4->setup->gpio_func[4]);
 962                snd_soc_add_component_controls(component, aic32x4_mfp5,
 963                        ARRAY_SIZE(aic32x4_mfp5));
 964        }
 965}
 966
 967static int aic32x4_component_probe(struct snd_soc_component *component)
 968{
 969        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
 970        u32 tmp_reg;
 971
 972        if (gpio_is_valid(aic32x4->rstn_gpio)) {
 973                ndelay(10);
 974                gpio_set_value(aic32x4->rstn_gpio, 1);
 975                mdelay(1);
 976        }
 977
 978        snd_soc_component_write(component, AIC32X4_RESET, 0x01);
 979
 980        if (aic32x4->setup)
 981                aic32x4_setup_gpios(component);
 982
 983        /* Power platform configuration */
 984        if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
 985                snd_soc_component_write(component, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN |
 986                                                      AIC32X4_MICBIAS_2075V);
 987        }
 988        if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
 989                snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
 990
 991        tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
 992                        AIC32X4_LDOCTLEN : 0;
 993        snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg);
 994
 995        tmp_reg = snd_soc_component_read32(component, AIC32X4_CMMODE);
 996        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
 997                tmp_reg |= AIC32X4_LDOIN_18_36;
 998        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
 999                tmp_reg |= AIC32X4_LDOIN2HP;
1000        snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg);
1001
1002        /* Mic PGA routing */
1003        if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
1004                snd_soc_component_write(component, AIC32X4_LMICPGANIN,
1005                                AIC32X4_LMICPGANIN_IN2R_10K);
1006        else
1007                snd_soc_component_write(component, AIC32X4_LMICPGANIN,
1008                                AIC32X4_LMICPGANIN_CM1L_10K);
1009        if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
1010                snd_soc_component_write(component, AIC32X4_RMICPGANIN,
1011                                AIC32X4_RMICPGANIN_IN1L_10K);
1012        else
1013                snd_soc_component_write(component, AIC32X4_RMICPGANIN,
1014                                AIC32X4_RMICPGANIN_CM1R_10K);
1015
1016        /*
1017         * Workaround: for an unknown reason, the ADC needs to be powered up
1018         * and down for the first capture to work properly. It seems related to
1019         * a HW BUG or some kind of behavior not documented in the datasheet.
1020         */
1021        tmp_reg = snd_soc_component_read32(component, AIC32X4_ADCSETUP);
1022        snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg |
1023                                AIC32X4_LADC_EN | AIC32X4_RADC_EN);
1024        snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg);
1025
1026        return 0;
1027}
1028
1029static const struct snd_soc_component_driver soc_component_dev_aic32x4 = {
1030        .probe                  = aic32x4_component_probe,
1031        .set_bias_level         = aic32x4_set_bias_level,
1032        .controls               = aic32x4_snd_controls,
1033        .num_controls           = ARRAY_SIZE(aic32x4_snd_controls),
1034        .dapm_widgets           = aic32x4_dapm_widgets,
1035        .num_dapm_widgets       = ARRAY_SIZE(aic32x4_dapm_widgets),
1036        .dapm_routes            = aic32x4_dapm_routes,
1037        .num_dapm_routes        = ARRAY_SIZE(aic32x4_dapm_routes),
1038        .suspend_bias_off       = 1,
1039        .idle_bias_on           = 1,
1040        .use_pmdown_time        = 1,
1041        .endianness             = 1,
1042        .non_legacy_dai_naming  = 1,
1043};
1044
1045static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
1046                struct device_node *np)
1047{
1048        struct aic32x4_setup_data *aic32x4_setup;
1049
1050        aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
1051                                                        GFP_KERNEL);
1052        if (!aic32x4_setup)
1053                return -ENOMEM;
1054
1055        aic32x4->swapdacs = false;
1056        aic32x4->micpga_routing = 0;
1057        aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
1058
1059        if (of_property_read_u32_array(np, "aic32x4-gpio-func",
1060                                aic32x4_setup->gpio_func, 5) >= 0)
1061                aic32x4->setup = aic32x4_setup;
1062        return 0;
1063}
1064
1065static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4)
1066{
1067        regulator_disable(aic32x4->supply_iov);
1068
1069        if (!IS_ERR(aic32x4->supply_ldo))
1070                regulator_disable(aic32x4->supply_ldo);
1071
1072        if (!IS_ERR(aic32x4->supply_dv))
1073                regulator_disable(aic32x4->supply_dv);
1074
1075        if (!IS_ERR(aic32x4->supply_av))
1076                regulator_disable(aic32x4->supply_av);
1077}
1078
1079static int aic32x4_setup_regulators(struct device *dev,
1080                struct aic32x4_priv *aic32x4)
1081{
1082        int ret = 0;
1083
1084        aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin");
1085        aic32x4->supply_iov = devm_regulator_get(dev, "iov");
1086        aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv");
1087        aic32x4->supply_av = devm_regulator_get_optional(dev, "av");
1088
1089        /* Check if the regulator requirements are fulfilled */
1090
1091        if (IS_ERR(aic32x4->supply_iov)) {
1092                dev_err(dev, "Missing supply 'iov'\n");
1093                return PTR_ERR(aic32x4->supply_iov);
1094        }
1095
1096        if (IS_ERR(aic32x4->supply_ldo)) {
1097                if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
1098                        return -EPROBE_DEFER;
1099
1100                if (IS_ERR(aic32x4->supply_dv)) {
1101                        dev_err(dev, "Missing supply 'dv' or 'ldoin'\n");
1102                        return PTR_ERR(aic32x4->supply_dv);
1103                }
1104                if (IS_ERR(aic32x4->supply_av)) {
1105                        dev_err(dev, "Missing supply 'av' or 'ldoin'\n");
1106                        return PTR_ERR(aic32x4->supply_av);
1107                }
1108        } else {
1109                if (IS_ERR(aic32x4->supply_dv) &&
1110                                PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
1111                        return -EPROBE_DEFER;
1112                if (IS_ERR(aic32x4->supply_av) &&
1113                                PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER)
1114                        return -EPROBE_DEFER;
1115        }
1116
1117        ret = regulator_enable(aic32x4->supply_iov);
1118        if (ret) {
1119                dev_err(dev, "Failed to enable regulator iov\n");
1120                return ret;
1121        }
1122
1123        if (!IS_ERR(aic32x4->supply_ldo)) {
1124                ret = regulator_enable(aic32x4->supply_ldo);
1125                if (ret) {
1126                        dev_err(dev, "Failed to enable regulator ldo\n");
1127                        goto error_ldo;
1128                }
1129        }
1130
1131        if (!IS_ERR(aic32x4->supply_dv)) {
1132                ret = regulator_enable(aic32x4->supply_dv);
1133                if (ret) {
1134                        dev_err(dev, "Failed to enable regulator dv\n");
1135                        goto error_dv;
1136                }
1137        }
1138
1139        if (!IS_ERR(aic32x4->supply_av)) {
1140                ret = regulator_enable(aic32x4->supply_av);
1141                if (ret) {
1142                        dev_err(dev, "Failed to enable regulator av\n");
1143                        goto error_av;
1144                }
1145        }
1146
1147        if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av))
1148                aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE;
1149
1150        return 0;
1151
1152error_av:
1153        if (!IS_ERR(aic32x4->supply_dv))
1154                regulator_disable(aic32x4->supply_dv);
1155
1156error_dv:
1157        if (!IS_ERR(aic32x4->supply_ldo))
1158                regulator_disable(aic32x4->supply_ldo);
1159
1160error_ldo:
1161        regulator_disable(aic32x4->supply_iov);
1162        return ret;
1163}
1164
1165int aic32x4_probe(struct device *dev, struct regmap *regmap)
1166{
1167        struct aic32x4_priv *aic32x4;
1168        struct aic32x4_pdata *pdata = dev->platform_data;
1169        struct device_node *np = dev->of_node;
1170        int ret;
1171
1172        if (IS_ERR(regmap))
1173                return PTR_ERR(regmap);
1174
1175        aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv),
1176                               GFP_KERNEL);
1177        if (aic32x4 == NULL)
1178                return -ENOMEM;
1179
1180        aic32x4->dev = dev;
1181        dev_set_drvdata(dev, aic32x4);
1182
1183        if (pdata) {
1184                aic32x4->power_cfg = pdata->power_cfg;
1185                aic32x4->swapdacs = pdata->swapdacs;
1186                aic32x4->micpga_routing = pdata->micpga_routing;
1187                aic32x4->rstn_gpio = pdata->rstn_gpio;
1188        } else if (np) {
1189                ret = aic32x4_parse_dt(aic32x4, np);
1190                if (ret) {
1191                        dev_err(dev, "Failed to parse DT node\n");
1192                        return ret;
1193                }
1194        } else {
1195                aic32x4->power_cfg = 0;
1196                aic32x4->swapdacs = false;
1197                aic32x4->micpga_routing = 0;
1198                aic32x4->rstn_gpio = -1;
1199        }
1200
1201        aic32x4->mclk = devm_clk_get(dev, "mclk");
1202        if (IS_ERR(aic32x4->mclk)) {
1203                dev_err(dev, "Failed getting the mclk. The current implementation does not support the usage of this codec without mclk\n");
1204                return PTR_ERR(aic32x4->mclk);
1205        }
1206
1207        if (gpio_is_valid(aic32x4->rstn_gpio)) {
1208                ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio,
1209                                GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
1210                if (ret != 0)
1211                        return ret;
1212        }
1213
1214        ret = aic32x4_setup_regulators(dev, aic32x4);
1215        if (ret) {
1216                dev_err(dev, "Failed to setup regulators\n");
1217                return ret;
1218        }
1219
1220        ret = devm_snd_soc_register_component(dev,
1221                        &soc_component_dev_aic32x4, &aic32x4_dai, 1);
1222        if (ret) {
1223                dev_err(dev, "Failed to register component\n");
1224                aic32x4_disable_regulators(aic32x4);
1225                return ret;
1226        }
1227
1228        return 0;
1229}
1230EXPORT_SYMBOL(aic32x4_probe);
1231
1232int aic32x4_remove(struct device *dev)
1233{
1234        struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);
1235
1236        aic32x4_disable_regulators(aic32x4);
1237
1238        return 0;
1239}
1240EXPORT_SYMBOL(aic32x4_remove);
1241
1242MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1243MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1244MODULE_LICENSE("GPL");
1245