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 aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol,
  83        struct snd_ctl_elem_value *ucontrol)
  84{
  85        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  86        u8 val;
  87
  88        val = snd_soc_read(codec, AIC32X4_DINCTL);
  89
  90        ucontrol->value.integer.value[0] = (val & 0x01);
  91
  92        return 0;
  93};
  94
  95static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol,
  96        struct snd_ctl_elem_value *ucontrol)
  97{
  98        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  99        u8 val;
 100        u8 gpio_check;
 101
 102        val = snd_soc_read(codec, AIC32X4_DOUTCTL);
 103        gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
 104        if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
 105                printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n",
 106                        __func__);
 107                return -EINVAL;
 108        }
 109
 110        if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH))
 111                return 0;
 112
 113        if (ucontrol->value.integer.value[0])
 114                val |= ucontrol->value.integer.value[0];
 115        else
 116                val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH;
 117
 118        snd_soc_write(codec, AIC32X4_DOUTCTL, val);
 119
 120        return 0;
 121};
 122
 123static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol,
 124        struct snd_ctl_elem_value *ucontrol)
 125{
 126        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 127        u8 val;
 128
 129        val = snd_soc_read(codec, AIC32X4_SCLKCTL);
 130
 131        ucontrol->value.integer.value[0] = (val & 0x01);
 132
 133        return 0;
 134};
 135
 136static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol,
 137        struct snd_ctl_elem_value *ucontrol)
 138{
 139        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 140        u8 val;
 141        u8 gpio_check;
 142
 143        val = snd_soc_read(codec, AIC32X4_MISOCTL);
 144        gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
 145        if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
 146                printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n",
 147                        __func__);
 148                return -EINVAL;
 149        }
 150
 151        if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH))
 152                return 0;
 153
 154        if (ucontrol->value.integer.value[0])
 155                val |= ucontrol->value.integer.value[0];
 156        else
 157                val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH;
 158
 159        snd_soc_write(codec, AIC32X4_MISOCTL, val);
 160
 161        return 0;
 162};
 163
 164static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol,
 165        struct snd_ctl_elem_value *ucontrol)
 166{
 167        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 168        u8 val;
 169
 170        val = snd_soc_read(codec, AIC32X4_GPIOCTL);
 171        ucontrol->value.integer.value[0] = ((val & 0x2) >> 1);
 172
 173        return 0;
 174};
 175
 176static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol,
 177        struct snd_ctl_elem_value *ucontrol)
 178{
 179        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 180        u8 val;
 181        u8 gpio_check;
 182
 183        val = snd_soc_read(codec, AIC32X4_GPIOCTL);
 184        gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT);
 185        if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) {
 186                printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n",
 187                        __func__);
 188                return -EINVAL;
 189        }
 190
 191        if (ucontrol->value.integer.value[0] == (val & 0x1))
 192                return 0;
 193
 194        if (ucontrol->value.integer.value[0])
 195                val |= ucontrol->value.integer.value[0];
 196        else
 197                val &= 0xfe;
 198
 199        snd_soc_write(codec, AIC32X4_GPIOCTL, val);
 200
 201        return 0;
 202};
 203
 204static const struct snd_kcontrol_new aic32x4_mfp1[] = {
 205        SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
 206};
 207
 208static const struct snd_kcontrol_new aic32x4_mfp2[] = {
 209        SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
 210};
 211
 212static const struct snd_kcontrol_new aic32x4_mfp3[] = {
 213        SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
 214};
 215
 216static const struct snd_kcontrol_new aic32x4_mfp4[] = {
 217        SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
 218};
 219
 220static const struct snd_kcontrol_new aic32x4_mfp5[] = {
 221        SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio,
 222                aic32x4_set_mfp5_gpio),
 223};
 224
 225/* 0dB min, 0.5dB steps */
 226static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
 227/* -63.5dB min, 0.5dB steps */
 228static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
 229/* -6dB min, 1dB steps */
 230static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
 231/* -12dB min, 0.5dB steps */
 232static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
 233
 234static const struct snd_kcontrol_new aic32x4_snd_controls[] = {
 235        SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL,
 236                        AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm),
 237        SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN,
 238                        AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0,
 239                        tlv_driver_gain),
 240        SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN,
 241                        AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0,
 242                        tlv_driver_gain),
 243        SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN,
 244                        AIC32X4_HPRGAIN, 6, 0x01, 1),
 245        SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN,
 246                        AIC32X4_LORGAIN, 6, 0x01, 1),
 247        SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL,
 248                        AIC32X4_RMICPGAVOL, 7, 0x01, 1),
 249
 250        SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0),
 251        SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0),
 252
 253        SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL,
 254                        AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol),
 255        SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL,
 256                        AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5),
 257
 258        SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0),
 259
 260        SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0),
 261        SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0),
 262        SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1,
 263                        4, 0x07, 0),
 264        SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1,
 265                        0, 0x03, 0),
 266        SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2,
 267                        6, 0x03, 0),
 268        SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2,
 269                        1, 0x1F, 0),
 270        SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3,
 271                        0, 0x7F, 0),
 272        SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4,
 273                        3, 0x1F, 0),
 274        SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5,
 275                        3, 0x1F, 0),
 276        SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6,
 277                        0, 0x1F, 0),
 278        SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7,
 279                        0, 0x0F, 0),
 280};
 281
 282static const struct aic32x4_rate_divs aic32x4_divs[] = {
 283        /* 8k rate */
 284        {AIC32X4_FREQ_12000000, 8000, 1, 7, 6800, 768, 5, 3, 128, 5, 18, 24},
 285        {AIC32X4_FREQ_24000000, 8000, 2, 7, 6800, 768, 15, 1, 64, 45, 4, 24},
 286        {AIC32X4_FREQ_25000000, 8000, 2, 7, 3728, 768, 15, 1, 64, 45, 4, 24},
 287        /* 11.025k rate */
 288        {AIC32X4_FREQ_12000000, 11025, 1, 7, 5264, 512, 8, 2, 128, 8, 8, 16},
 289        {AIC32X4_FREQ_24000000, 11025, 2, 7, 5264, 512, 16, 1, 64, 32, 4, 16},
 290        /* 16k rate */
 291        {AIC32X4_FREQ_12000000, 16000, 1, 7, 6800, 384, 5, 3, 128, 5, 9, 12},
 292        {AIC32X4_FREQ_24000000, 16000, 2, 7, 6800, 384, 15, 1, 64, 18, 5, 12},
 293        {AIC32X4_FREQ_25000000, 16000, 2, 7, 3728, 384, 15, 1, 64, 18, 5, 12},
 294        /* 22.05k rate */
 295        {AIC32X4_FREQ_12000000, 22050, 1, 7, 5264, 256, 4, 4, 128, 4, 8, 8},
 296        {AIC32X4_FREQ_24000000, 22050, 2, 7, 5264, 256, 16, 1, 64, 16, 4, 8},
 297        {AIC32X4_FREQ_25000000, 22050, 2, 7, 2253, 256, 16, 1, 64, 16, 4, 8},
 298        /* 32k rate */
 299        {AIC32X4_FREQ_12000000, 32000, 1, 7, 1680, 192, 2, 7, 64, 2, 21, 6},
 300        {AIC32X4_FREQ_24000000, 32000, 2, 7, 1680, 192, 7, 2, 64, 7, 6, 6},
 301        /* 44.1k rate */
 302        {AIC32X4_FREQ_12000000, 44100, 1, 7, 5264, 128, 2, 8, 128, 2, 8, 4},
 303        {AIC32X4_FREQ_24000000, 44100, 2, 7, 5264, 128, 8, 2, 64, 8, 4, 4},
 304        {AIC32X4_FREQ_25000000, 44100, 2, 7, 2253, 128, 8, 2, 64, 8, 4, 4},
 305        /* 48k rate */
 306        {AIC32X4_FREQ_12000000, 48000, 1, 8, 1920, 128, 2, 8, 128, 2, 8, 4},
 307        {AIC32X4_FREQ_24000000, 48000, 2, 8, 1920, 128, 8, 2, 64, 8, 4, 4},
 308        {AIC32X4_FREQ_25000000, 48000, 2, 7, 8643, 128, 8, 2, 64, 8, 4, 4},
 309
 310        /* 96k rate */
 311        {AIC32X4_FREQ_25000000, 96000, 2, 7, 8643, 64, 4, 4, 64, 4, 4, 1},
 312};
 313
 314static const struct snd_kcontrol_new hpl_output_mixer_controls[] = {
 315        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0),
 316        SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0),
 317};
 318
 319static const struct snd_kcontrol_new hpr_output_mixer_controls[] = {
 320        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0),
 321        SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0),
 322};
 323
 324static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
 325        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
 326};
 327
 328static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
 329        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
 330};
 331
 332static const char * const resistor_text[] = {
 333        "Off", "10 kOhm", "20 kOhm", "40 kOhm",
 334};
 335
 336/* Left mixer pins */
 337static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
 338static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
 339static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
 340static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
 341
 342static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
 343static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
 344static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
 345
 346static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
 347        SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
 348};
 349static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
 350        SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
 351};
 352static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
 353        SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
 354};
 355static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
 356        SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
 357};
 358static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
 359        SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
 360};
 361static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
 362        SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
 363};
 364static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = {
 365        SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum),
 366};
 367
 368/*  Right mixer pins */
 369static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
 370static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
 371static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
 372static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
 373static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
 374static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
 375static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
 376
 377static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
 378        SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
 379};
 380static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
 381        SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
 382};
 383static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
 384        SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
 385};
 386static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
 387        SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
 388};
 389static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
 390        SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
 391};
 392static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
 393        SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
 394};
 395static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
 396        SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
 397};
 398
 399static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
 400        SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0),
 401        SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0,
 402                           &hpl_output_mixer_controls[0],
 403                           ARRAY_SIZE(hpl_output_mixer_controls)),
 404        SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0),
 405
 406        SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0,
 407                           &lol_output_mixer_controls[0],
 408                           ARRAY_SIZE(lol_output_mixer_controls)),
 409        SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0),
 410
 411        SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0),
 412        SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0,
 413                           &hpr_output_mixer_controls[0],
 414                           ARRAY_SIZE(hpr_output_mixer_controls)),
 415        SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0),
 416        SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0,
 417                           &lor_output_mixer_controls[0],
 418                           ARRAY_SIZE(lor_output_mixer_controls)),
 419        SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0),
 420
 421        SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0),
 422        SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 423                        in1r_to_rmixer_controls),
 424        SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 425                        in2r_to_rmixer_controls),
 426        SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 427                        in3r_to_rmixer_controls),
 428        SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 429                        in2l_to_rmixer_controls),
 430        SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 431                        cmr_to_rmixer_controls),
 432        SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 433                        in1l_to_rmixer_controls),
 434        SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 435                        in3l_to_rmixer_controls),
 436
 437        SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
 438        SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 439                        in1l_to_lmixer_controls),
 440        SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 441                        in2l_to_lmixer_controls),
 442        SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 443                        in3l_to_lmixer_controls),
 444        SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
 445                        in1r_to_lmixer_controls),
 446        SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 447                        cml_to_lmixer_controls),
 448        SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 449                        in2r_to_lmixer_controls),
 450        SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
 451                        in3r_to_lmixer_controls),
 452
 453        SND_SOC_DAPM_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0),
 454
 455        SND_SOC_DAPM_OUTPUT("HPL"),
 456        SND_SOC_DAPM_OUTPUT("HPR"),
 457        SND_SOC_DAPM_OUTPUT("LOL"),
 458        SND_SOC_DAPM_OUTPUT("LOR"),
 459        SND_SOC_DAPM_INPUT("IN1_L"),
 460        SND_SOC_DAPM_INPUT("IN1_R"),
 461        SND_SOC_DAPM_INPUT("IN2_L"),
 462        SND_SOC_DAPM_INPUT("IN2_R"),
 463        SND_SOC_DAPM_INPUT("IN3_L"),
 464        SND_SOC_DAPM_INPUT("IN3_R"),
 465};
 466
 467static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
 468        /* Left Output */
 469        {"HPL Output Mixer", "L_DAC Switch", "Left DAC"},
 470        {"HPL Output Mixer", "IN1_L Switch", "IN1_L"},
 471
 472        {"HPL Power", NULL, "HPL Output Mixer"},
 473        {"HPL", NULL, "HPL Power"},
 474
 475        {"LOL Output Mixer", "L_DAC Switch", "Left DAC"},
 476
 477        {"LOL Power", NULL, "LOL Output Mixer"},
 478        {"LOL", NULL, "LOL Power"},
 479
 480        /* Right Output */
 481        {"HPR Output Mixer", "R_DAC Switch", "Right DAC"},
 482        {"HPR Output Mixer", "IN1_R Switch", "IN1_R"},
 483
 484        {"HPR Power", NULL, "HPR Output Mixer"},
 485        {"HPR", NULL, "HPR Power"},
 486
 487        {"LOR Output Mixer", "R_DAC Switch", "Right DAC"},
 488
 489        {"LOR Power", NULL, "LOR Output Mixer"},
 490        {"LOR", NULL, "LOR Power"},
 491
 492        /* Right Input */
 493        {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"},
 494        {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"},
 495        {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"},
 496        {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"},
 497
 498        {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"},
 499        {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"},
 500        {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"},
 501        {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"},
 502
 503        {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"},
 504        {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"},
 505        {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"},
 506        {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"},
 507
 508        {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"},
 509        {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"},
 510        {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"},
 511        {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"},
 512
 513        {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"},
 514        {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"},
 515        {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"},
 516        {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"},
 517
 518        {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"},
 519        {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"},
 520        {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"},
 521        {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"},
 522
 523        {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"},
 524        {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"},
 525        {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"},
 526        {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"},
 527
 528        /* Left Input */
 529        {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"},
 530        {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"},
 531        {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"},
 532        {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"},
 533
 534        {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"},
 535        {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"},
 536        {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"},
 537        {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"},
 538
 539        {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"},
 540        {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"},
 541        {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"},
 542        {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"},
 543
 544        {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"},
 545        {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"},
 546        {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"},
 547        {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"},
 548
 549        {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"},
 550        {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"},
 551        {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"},
 552        {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"},
 553
 554        {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"},
 555        {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"},
 556        {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"},
 557        {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"},
 558
 559        {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"},
 560        {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"},
 561        {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"},
 562        {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"},
 563};
 564
 565static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
 566        {
 567                .selector_reg = 0,
 568                .selector_mask  = 0xff,
 569                .window_start = 0,
 570                .window_len = 128,
 571                .range_min = 0,
 572                .range_max = AIC32X4_RMICPGAVOL,
 573        },
 574};
 575
 576const struct regmap_config aic32x4_regmap_config = {
 577        .max_register = AIC32X4_RMICPGAVOL,
 578        .ranges = aic32x4_regmap_pages,
 579        .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
 580};
 581EXPORT_SYMBOL(aic32x4_regmap_config);
 582
 583static inline int aic32x4_get_divs(int mclk, int rate)
 584{
 585        int i;
 586
 587        for (i = 0; i < ARRAY_SIZE(aic32x4_divs); i++) {
 588                if ((aic32x4_divs[i].rate == rate)
 589                    && (aic32x4_divs[i].mclk == mclk)) {
 590                        return i;
 591                }
 592        }
 593        printk(KERN_ERR "aic32x4: master clock and sample rate is not supported\n");
 594        return -EINVAL;
 595}
 596
 597static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 598                                  int clk_id, unsigned int freq, int dir)
 599{
 600        struct snd_soc_codec *codec = codec_dai->codec;
 601        struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
 602
 603        switch (freq) {
 604        case AIC32X4_FREQ_12000000:
 605        case AIC32X4_FREQ_24000000:
 606        case AIC32X4_FREQ_25000000:
 607                aic32x4->sysclk = freq;
 608                return 0;
 609        }
 610        printk(KERN_ERR "aic32x4: invalid frequency to set DAI system clock\n");
 611        return -EINVAL;
 612}
 613
 614static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 615{
 616        struct snd_soc_codec *codec = codec_dai->codec;
 617        u8 iface_reg_1;
 618        u8 iface_reg_2;
 619        u8 iface_reg_3;
 620
 621        iface_reg_1 = snd_soc_read(codec, AIC32X4_IFACE1);
 622        iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2);
 623        iface_reg_2 = snd_soc_read(codec, AIC32X4_IFACE2);
 624        iface_reg_2 = 0;
 625        iface_reg_3 = snd_soc_read(codec, AIC32X4_IFACE3);
 626        iface_reg_3 = iface_reg_3 & ~(1 << 3);
 627
 628        /* set master/slave audio interface */
 629        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 630        case SND_SOC_DAIFMT_CBM_CFM:
 631                iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
 632                break;
 633        case SND_SOC_DAIFMT_CBS_CFS:
 634                break;
 635        default:
 636                printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n");
 637                return -EINVAL;
 638        }
 639
 640        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 641        case SND_SOC_DAIFMT_I2S:
 642                break;
 643        case SND_SOC_DAIFMT_DSP_A:
 644                iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT);
 645                iface_reg_3 |= (1 << 3); /* invert bit clock */
 646                iface_reg_2 = 0x01; /* add offset 1 */
 647                break;
 648        case SND_SOC_DAIFMT_DSP_B:
 649                iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT);
 650                iface_reg_3 |= (1 << 3); /* invert bit clock */
 651                break;
 652        case SND_SOC_DAIFMT_RIGHT_J:
 653                iface_reg_1 |=
 654                        (AIC32X4_RIGHT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT);
 655                break;
 656        case SND_SOC_DAIFMT_LEFT_J:
 657                iface_reg_1 |=
 658                        (AIC32X4_LEFT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT);
 659                break;
 660        default:
 661                printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
 662                return -EINVAL;
 663        }
 664
 665        snd_soc_write(codec, AIC32X4_IFACE1, iface_reg_1);
 666        snd_soc_write(codec, AIC32X4_IFACE2, iface_reg_2);
 667        snd_soc_write(codec, AIC32X4_IFACE3, iface_reg_3);
 668        return 0;
 669}
 670
 671static int aic32x4_hw_params(struct snd_pcm_substream *substream,
 672                             struct snd_pcm_hw_params *params,
 673                             struct snd_soc_dai *dai)
 674{
 675        struct snd_soc_codec *codec = dai->codec;
 676        struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
 677        u8 data;
 678        int i;
 679
 680        i = aic32x4_get_divs(aic32x4->sysclk, params_rate(params));
 681        if (i < 0) {
 682                printk(KERN_ERR "aic32x4: sampling rate not supported\n");
 683                return i;
 684        }
 685
 686        /* Use PLL as CODEC_CLKIN and DAC_MOD_CLK as BDIV_CLKIN */
 687        snd_soc_write(codec, AIC32X4_CLKMUX, AIC32X4_PLLCLKIN);
 688        snd_soc_write(codec, AIC32X4_IFACE3, AIC32X4_DACMOD2BCLK);
 689
 690        /* We will fix R value to 1 and will make P & J=K.D as varialble */
 691        data = snd_soc_read(codec, AIC32X4_PLLPR);
 692        data &= ~(7 << 4);
 693        snd_soc_write(codec, AIC32X4_PLLPR,
 694                      (data | (aic32x4_divs[i].p_val << 4) | 0x01));
 695
 696        snd_soc_write(codec, AIC32X4_PLLJ, aic32x4_divs[i].pll_j);
 697
 698        snd_soc_write(codec, AIC32X4_PLLDMSB, (aic32x4_divs[i].pll_d >> 8));
 699        snd_soc_write(codec, AIC32X4_PLLDLSB,
 700                      (aic32x4_divs[i].pll_d & 0xff));
 701
 702        /* NDAC divider value */
 703        data = snd_soc_read(codec, AIC32X4_NDAC);
 704        data &= ~(0x7f);
 705        snd_soc_write(codec, AIC32X4_NDAC, data | aic32x4_divs[i].ndac);
 706
 707        /* MDAC divider value */
 708        data = snd_soc_read(codec, AIC32X4_MDAC);
 709        data &= ~(0x7f);
 710        snd_soc_write(codec, AIC32X4_MDAC, data | aic32x4_divs[i].mdac);
 711
 712        /* DOSR MSB & LSB values */
 713        snd_soc_write(codec, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8);
 714        snd_soc_write(codec, AIC32X4_DOSRLSB,
 715                      (aic32x4_divs[i].dosr & 0xff));
 716
 717        /* NADC divider value */
 718        data = snd_soc_read(codec, AIC32X4_NADC);
 719        data &= ~(0x7f);
 720        snd_soc_write(codec, AIC32X4_NADC, data | aic32x4_divs[i].nadc);
 721
 722        /* MADC divider value */
 723        data = snd_soc_read(codec, AIC32X4_MADC);
 724        data &= ~(0x7f);
 725        snd_soc_write(codec, AIC32X4_MADC, data | aic32x4_divs[i].madc);
 726
 727        /* AOSR value */
 728        snd_soc_write(codec, AIC32X4_AOSR, aic32x4_divs[i].aosr);
 729
 730        /* BCLK N divider */
 731        data = snd_soc_read(codec, AIC32X4_BCLKN);
 732        data &= ~(0x7f);
 733        snd_soc_write(codec, AIC32X4_BCLKN, data | aic32x4_divs[i].blck_N);
 734
 735        data = snd_soc_read(codec, AIC32X4_IFACE1);
 736        data = data & ~(3 << 4);
 737        switch (params_width(params)) {
 738        case 16:
 739                break;
 740        case 20:
 741                data |= (AIC32X4_WORD_LEN_20BITS << AIC32X4_DOSRMSB_SHIFT);
 742                break;
 743        case 24:
 744                data |= (AIC32X4_WORD_LEN_24BITS << AIC32X4_DOSRMSB_SHIFT);
 745                break;
 746        case 32:
 747                data |= (AIC32X4_WORD_LEN_32BITS << AIC32X4_DOSRMSB_SHIFT);
 748                break;
 749        }
 750        snd_soc_write(codec, AIC32X4_IFACE1, data);
 751
 752        if (params_channels(params) == 1) {
 753                data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
 754        } else {
 755                if (aic32x4->swapdacs)
 756                        data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
 757                else
 758                        data = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
 759        }
 760        snd_soc_update_bits(codec, AIC32X4_DACSETUP, AIC32X4_DAC_CHAN_MASK,
 761                        data);
 762
 763        return 0;
 764}
 765
 766static int aic32x4_mute(struct snd_soc_dai *dai, int mute)
 767{
 768        struct snd_soc_codec *codec = dai->codec;
 769        u8 dac_reg;
 770
 771        dac_reg = snd_soc_read(codec, AIC32X4_DACMUTE) & ~AIC32X4_MUTEON;
 772        if (mute)
 773                snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg | AIC32X4_MUTEON);
 774        else
 775                snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg);
 776        return 0;
 777}
 778
 779static int aic32x4_set_bias_level(struct snd_soc_codec *codec,
 780                                  enum snd_soc_bias_level level)
 781{
 782        struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
 783        int ret;
 784
 785        switch (level) {
 786        case SND_SOC_BIAS_ON:
 787                /* Switch on master clock */
 788                ret = clk_prepare_enable(aic32x4->mclk);
 789                if (ret) {
 790                        dev_err(codec->dev, "Failed to enable master clock\n");
 791                        return ret;
 792                }
 793
 794                /* Switch on PLL */
 795                snd_soc_update_bits(codec, AIC32X4_PLLPR,
 796                                    AIC32X4_PLLEN, AIC32X4_PLLEN);
 797
 798                /* Switch on NDAC Divider */
 799                snd_soc_update_bits(codec, AIC32X4_NDAC,
 800                                    AIC32X4_NDACEN, AIC32X4_NDACEN);
 801
 802                /* Switch on MDAC Divider */
 803                snd_soc_update_bits(codec, AIC32X4_MDAC,
 804                                    AIC32X4_MDACEN, AIC32X4_MDACEN);
 805
 806                /* Switch on NADC Divider */
 807                snd_soc_update_bits(codec, AIC32X4_NADC,
 808                                    AIC32X4_NADCEN, AIC32X4_NADCEN);
 809
 810                /* Switch on MADC Divider */
 811                snd_soc_update_bits(codec, AIC32X4_MADC,
 812                                    AIC32X4_MADCEN, AIC32X4_MADCEN);
 813
 814                /* Switch on BCLK_N Divider */
 815                snd_soc_update_bits(codec, AIC32X4_BCLKN,
 816                                    AIC32X4_BCLKEN, AIC32X4_BCLKEN);
 817                break;
 818        case SND_SOC_BIAS_PREPARE:
 819                break;
 820        case SND_SOC_BIAS_STANDBY:
 821                /* Switch off BCLK_N Divider */
 822                snd_soc_update_bits(codec, AIC32X4_BCLKN,
 823                                    AIC32X4_BCLKEN, 0);
 824
 825                /* Switch off MADC Divider */
 826                snd_soc_update_bits(codec, AIC32X4_MADC,
 827                                    AIC32X4_MADCEN, 0);
 828
 829                /* Switch off NADC Divider */
 830                snd_soc_update_bits(codec, AIC32X4_NADC,
 831                                    AIC32X4_NADCEN, 0);
 832
 833                /* Switch off MDAC Divider */
 834                snd_soc_update_bits(codec, AIC32X4_MDAC,
 835                                    AIC32X4_MDACEN, 0);
 836
 837                /* Switch off NDAC Divider */
 838                snd_soc_update_bits(codec, AIC32X4_NDAC,
 839                                    AIC32X4_NDACEN, 0);
 840
 841                /* Switch off PLL */
 842                snd_soc_update_bits(codec, AIC32X4_PLLPR,
 843                                    AIC32X4_PLLEN, 0);
 844
 845                /* Switch off master clock */
 846                clk_disable_unprepare(aic32x4->mclk);
 847                break;
 848        case SND_SOC_BIAS_OFF:
 849                break;
 850        }
 851        return 0;
 852}
 853
 854#define AIC32X4_RATES   SNDRV_PCM_RATE_8000_96000
 855#define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
 856                         | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
 857
 858static const struct snd_soc_dai_ops aic32x4_ops = {
 859        .hw_params = aic32x4_hw_params,
 860        .digital_mute = aic32x4_mute,
 861        .set_fmt = aic32x4_set_dai_fmt,
 862        .set_sysclk = aic32x4_set_dai_sysclk,
 863};
 864
 865static struct snd_soc_dai_driver aic32x4_dai = {
 866        .name = "tlv320aic32x4-hifi",
 867        .playback = {
 868                     .stream_name = "Playback",
 869                     .channels_min = 1,
 870                     .channels_max = 2,
 871                     .rates = AIC32X4_RATES,
 872                     .formats = AIC32X4_FORMATS,},
 873        .capture = {
 874                    .stream_name = "Capture",
 875                    .channels_min = 1,
 876                    .channels_max = 2,
 877                    .rates = AIC32X4_RATES,
 878                    .formats = AIC32X4_FORMATS,},
 879        .ops = &aic32x4_ops,
 880        .symmetric_rates = 1,
 881};
 882
 883static void aic32x4_setup_gpios(struct snd_soc_codec *codec)
 884{
 885        struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
 886
 887        /* setup GPIO functions */
 888        /* MFP1 */
 889        if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
 890                snd_soc_write(codec, AIC32X4_DINCTL,
 891                      aic32x4->setup->gpio_func[0]);
 892                snd_soc_add_codec_controls(codec, aic32x4_mfp1,
 893                        ARRAY_SIZE(aic32x4_mfp1));
 894        }
 895
 896        /* MFP2 */
 897        if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
 898                snd_soc_write(codec, AIC32X4_DOUTCTL,
 899                      aic32x4->setup->gpio_func[1]);
 900                snd_soc_add_codec_controls(codec, aic32x4_mfp2,
 901                        ARRAY_SIZE(aic32x4_mfp2));
 902        }
 903
 904        /* MFP3 */
 905        if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
 906                snd_soc_write(codec, AIC32X4_SCLKCTL,
 907                      aic32x4->setup->gpio_func[2]);
 908                snd_soc_add_codec_controls(codec, aic32x4_mfp3,
 909                        ARRAY_SIZE(aic32x4_mfp3));
 910        }
 911
 912        /* MFP4 */
 913        if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
 914                snd_soc_write(codec, AIC32X4_MISOCTL,
 915                      aic32x4->setup->gpio_func[3]);
 916                snd_soc_add_codec_controls(codec, aic32x4_mfp4,
 917                        ARRAY_SIZE(aic32x4_mfp4));
 918        }
 919
 920        /* MFP5 */
 921        if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
 922                snd_soc_write(codec, AIC32X4_GPIOCTL,
 923                      aic32x4->setup->gpio_func[4]);
 924                snd_soc_add_codec_controls(codec, aic32x4_mfp5,
 925                        ARRAY_SIZE(aic32x4_mfp5));
 926        }
 927}
 928
 929static int aic32x4_codec_probe(struct snd_soc_codec *codec)
 930{
 931        struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
 932        u32 tmp_reg;
 933
 934        if (gpio_is_valid(aic32x4->rstn_gpio)) {
 935                ndelay(10);
 936                gpio_set_value(aic32x4->rstn_gpio, 1);
 937        }
 938
 939        snd_soc_write(codec, AIC32X4_RESET, 0x01);
 940
 941        if (aic32x4->setup)
 942                aic32x4_setup_gpios(codec);
 943
 944        /* Power platform configuration */
 945        if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
 946                snd_soc_write(codec, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN |
 947                                                      AIC32X4_MICBIAS_2075V);
 948        }
 949        if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
 950                snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
 951
 952        tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
 953                        AIC32X4_LDOCTLEN : 0;
 954        snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg);
 955
 956        tmp_reg = snd_soc_read(codec, AIC32X4_CMMODE);
 957        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
 958                tmp_reg |= AIC32X4_LDOIN_18_36;
 959        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
 960                tmp_reg |= AIC32X4_LDOIN2HP;
 961        snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg);
 962
 963        /* Mic PGA routing */
 964        if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
 965                snd_soc_write(codec, AIC32X4_LMICPGANIN,
 966                                AIC32X4_LMICPGANIN_IN2R_10K);
 967        else
 968                snd_soc_write(codec, AIC32X4_LMICPGANIN,
 969                                AIC32X4_LMICPGANIN_CM1L_10K);
 970        if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
 971                snd_soc_write(codec, AIC32X4_RMICPGANIN,
 972                                AIC32X4_RMICPGANIN_IN1L_10K);
 973        else
 974                snd_soc_write(codec, AIC32X4_RMICPGANIN,
 975                                AIC32X4_RMICPGANIN_CM1R_10K);
 976
 977        /*
 978         * Workaround: for an unknown reason, the ADC needs to be powered up
 979         * and down for the first capture to work properly. It seems related to
 980         * a HW BUG or some kind of behavior not documented in the datasheet.
 981         */
 982        tmp_reg = snd_soc_read(codec, AIC32X4_ADCSETUP);
 983        snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg |
 984                                AIC32X4_LADC_EN | AIC32X4_RADC_EN);
 985        snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg);
 986
 987        return 0;
 988}
 989
 990static const struct snd_soc_codec_driver soc_codec_dev_aic32x4 = {
 991        .probe = aic32x4_codec_probe,
 992        .set_bias_level = aic32x4_set_bias_level,
 993        .suspend_bias_off = true,
 994
 995        .component_driver = {
 996                .controls               = aic32x4_snd_controls,
 997                .num_controls           = ARRAY_SIZE(aic32x4_snd_controls),
 998                .dapm_widgets           = aic32x4_dapm_widgets,
 999                .num_dapm_widgets       = ARRAY_SIZE(aic32x4_dapm_widgets),
1000                .dapm_routes            = aic32x4_dapm_routes,
1001                .num_dapm_routes        = ARRAY_SIZE(aic32x4_dapm_routes),
1002        },
1003};
1004
1005static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
1006                struct device_node *np)
1007{
1008        struct aic32x4_setup_data *aic32x4_setup;
1009
1010        aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
1011                                                        GFP_KERNEL);
1012        if (!aic32x4_setup)
1013                return -ENOMEM;
1014
1015        aic32x4->swapdacs = false;
1016        aic32x4->micpga_routing = 0;
1017        aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
1018
1019        if (of_property_read_u32_array(np, "aic32x4-gpio-func",
1020                                aic32x4_setup->gpio_func, 5) >= 0)
1021                aic32x4->setup = aic32x4_setup;
1022        return 0;
1023}
1024
1025static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4)
1026{
1027        regulator_disable(aic32x4->supply_iov);
1028
1029        if (!IS_ERR(aic32x4->supply_ldo))
1030                regulator_disable(aic32x4->supply_ldo);
1031
1032        if (!IS_ERR(aic32x4->supply_dv))
1033                regulator_disable(aic32x4->supply_dv);
1034
1035        if (!IS_ERR(aic32x4->supply_av))
1036                regulator_disable(aic32x4->supply_av);
1037}
1038
1039static int aic32x4_setup_regulators(struct device *dev,
1040                struct aic32x4_priv *aic32x4)
1041{
1042        int ret = 0;
1043
1044        aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin");
1045        aic32x4->supply_iov = devm_regulator_get(dev, "iov");
1046        aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv");
1047        aic32x4->supply_av = devm_regulator_get_optional(dev, "av");
1048
1049        /* Check if the regulator requirements are fulfilled */
1050
1051        if (IS_ERR(aic32x4->supply_iov)) {
1052                dev_err(dev, "Missing supply 'iov'\n");
1053                return PTR_ERR(aic32x4->supply_iov);
1054        }
1055
1056        if (IS_ERR(aic32x4->supply_ldo)) {
1057                if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
1058                        return -EPROBE_DEFER;
1059
1060                if (IS_ERR(aic32x4->supply_dv)) {
1061                        dev_err(dev, "Missing supply 'dv' or 'ldoin'\n");
1062                        return PTR_ERR(aic32x4->supply_dv);
1063                }
1064                if (IS_ERR(aic32x4->supply_av)) {
1065                        dev_err(dev, "Missing supply 'av' or 'ldoin'\n");
1066                        return PTR_ERR(aic32x4->supply_av);
1067                }
1068        } else {
1069                if (IS_ERR(aic32x4->supply_dv) &&
1070                                PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
1071                        return -EPROBE_DEFER;
1072                if (IS_ERR(aic32x4->supply_av) &&
1073                                PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER)
1074                        return -EPROBE_DEFER;
1075        }
1076
1077        ret = regulator_enable(aic32x4->supply_iov);
1078        if (ret) {
1079                dev_err(dev, "Failed to enable regulator iov\n");
1080                return ret;
1081        }
1082
1083        if (!IS_ERR(aic32x4->supply_ldo)) {
1084                ret = regulator_enable(aic32x4->supply_ldo);
1085                if (ret) {
1086                        dev_err(dev, "Failed to enable regulator ldo\n");
1087                        goto error_ldo;
1088                }
1089        }
1090
1091        if (!IS_ERR(aic32x4->supply_dv)) {
1092                ret = regulator_enable(aic32x4->supply_dv);
1093                if (ret) {
1094                        dev_err(dev, "Failed to enable regulator dv\n");
1095                        goto error_dv;
1096                }
1097        }
1098
1099        if (!IS_ERR(aic32x4->supply_av)) {
1100                ret = regulator_enable(aic32x4->supply_av);
1101                if (ret) {
1102                        dev_err(dev, "Failed to enable regulator av\n");
1103                        goto error_av;
1104                }
1105        }
1106
1107        if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av))
1108                aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE;
1109
1110        return 0;
1111
1112error_av:
1113        if (!IS_ERR(aic32x4->supply_dv))
1114                regulator_disable(aic32x4->supply_dv);
1115
1116error_dv:
1117        if (!IS_ERR(aic32x4->supply_ldo))
1118                regulator_disable(aic32x4->supply_ldo);
1119
1120error_ldo:
1121        regulator_disable(aic32x4->supply_iov);
1122        return ret;
1123}
1124
1125int aic32x4_probe(struct device *dev, struct regmap *regmap)
1126{
1127        struct aic32x4_priv *aic32x4;
1128        struct aic32x4_pdata *pdata = dev->platform_data;
1129        struct device_node *np = dev->of_node;
1130        int ret;
1131
1132        if (IS_ERR(regmap))
1133                return PTR_ERR(regmap);
1134
1135        aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv),
1136                               GFP_KERNEL);
1137        if (aic32x4 == NULL)
1138                return -ENOMEM;
1139
1140        aic32x4->dev = dev;
1141        dev_set_drvdata(dev, aic32x4);
1142
1143        if (pdata) {
1144                aic32x4->power_cfg = pdata->power_cfg;
1145                aic32x4->swapdacs = pdata->swapdacs;
1146                aic32x4->micpga_routing = pdata->micpga_routing;
1147                aic32x4->rstn_gpio = pdata->rstn_gpio;
1148        } else if (np) {
1149                ret = aic32x4_parse_dt(aic32x4, np);
1150                if (ret) {
1151                        dev_err(dev, "Failed to parse DT node\n");
1152                        return ret;
1153                }
1154        } else {
1155                aic32x4->power_cfg = 0;
1156                aic32x4->swapdacs = false;
1157                aic32x4->micpga_routing = 0;
1158                aic32x4->rstn_gpio = -1;
1159        }
1160
1161        aic32x4->mclk = devm_clk_get(dev, "mclk");
1162        if (IS_ERR(aic32x4->mclk)) {
1163                dev_err(dev, "Failed getting the mclk. The current implementation does not support the usage of this codec without mclk\n");
1164                return PTR_ERR(aic32x4->mclk);
1165        }
1166
1167        if (gpio_is_valid(aic32x4->rstn_gpio)) {
1168                ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio,
1169                                GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
1170                if (ret != 0)
1171                        return ret;
1172        }
1173
1174        ret = aic32x4_setup_regulators(dev, aic32x4);
1175        if (ret) {
1176                dev_err(dev, "Failed to setup regulators\n");
1177                return ret;
1178        }
1179
1180        ret = snd_soc_register_codec(dev,
1181                        &soc_codec_dev_aic32x4, &aic32x4_dai, 1);
1182        if (ret) {
1183                dev_err(dev, "Failed to register codec\n");
1184                aic32x4_disable_regulators(aic32x4);
1185                return ret;
1186        }
1187
1188        return 0;
1189}
1190EXPORT_SYMBOL(aic32x4_probe);
1191
1192int aic32x4_remove(struct device *dev)
1193{
1194        struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);
1195
1196        aic32x4_disable_regulators(aic32x4);
1197
1198        snd_soc_unregister_codec(dev);
1199
1200        return 0;
1201}
1202EXPORT_SYMBOL(aic32x4_remove);
1203
1204MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1205MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1206MODULE_LICENSE("GPL");
1207