sound/soc/codecs/rt5514.c

   1 /*
   2  * rt5514.c  --  RT5514 ALSA SoC audio codec driver
   3  *
   4  * Copyright 2015 Realtek Semiconductor Corp.
   5  * Author: Oder Chiou <oder_chiou@realtek.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/acpi.h>
  13 #include <linux/fs.h>
  14 #include <linux/module.h>
  15 #include <linux/moduleparam.h>
  16 #include <linux/init.h>
  17 #include <linux/delay.h>
  18 #include <linux/pm.h>
  19 #include <linux/regmap.h>
  20 #include <linux/i2c.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/firmware.h>
  23 #include <linux/gpio.h>
  24 #include <sound/core.h>
  25 #include <sound/pcm.h>
  26 #include <sound/pcm_params.h>
  27 #include <sound/soc.h>
  28 #include <sound/soc-dapm.h>
  29 #include <sound/initval.h>
  30 #include <sound/tlv.h>
  31
  32 #include "rl6231.h"
  33 #include "rt5514.h"
  34 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
  35 #include "rt5514-spi.h"
  36 #endif
  37
  38 static const struct reg_sequence rt5514_i2c_patch[] = {
  39         {0x1800101c, 0x00000000},
  40         {0x18001100, 0x0000031f},
  41         {0x18001104, 0x00000007},
  42         {0x18001108, 0x00000000},
  43         {0x1800110c, 0x00000000},
  44         {0x18001110, 0x00000000},
  45         {0x18001114, 0x00000001},
  46         {0x18001118, 0x00000000},
  47         {0x18002f08, 0x00000006},
  48         {0x18002f00, 0x00055149},
  49         {0x18002f00, 0x0005514b},
  50         {0x18002f00, 0x00055149},
  51         {0xfafafafa, 0x00000001},
  52         {0x18002f10, 0x00000001},
  53         {0x18002f10, 0x00000000},
  54         {0x18002f10, 0x00000001},
  55         {0xfafafafa, 0x00000001},
  56         {0x18002000, 0x000010ec},
  57         {0xfafafafa, 0x00000000},
  58 };
  59
  60 static const struct reg_sequence rt5514_patch[] = {
  61         {RT5514_DIG_IO_CTRL,            0x00000040},
  62         {RT5514_CLK_CTRL1,              0x38020041},
  63         {RT5514_SRC_CTRL,               0x44000eee},
  64         {RT5514_ANA_CTRL_LDO10,         0x00028604},
  65         {RT5514_ANA_CTRL_ADCFED,        0x00000800},
  66         {RT5514_ASRC_IN_CTRL1,          0x00000003},
  67         {RT5514_DOWNFILTER0_CTRL3,      0x10000362},
  68         {RT5514_DOWNFILTER1_CTRL3,      0x10000362},
  69 };
  70
  71 static const struct reg_default rt5514_reg[] = {
  72         {RT5514_RESET,                  0x00000000},
  73         {RT5514_PWR_ANA1,               0x00808880},
  74         {RT5514_PWR_ANA2,               0x00220000},
  75         {RT5514_I2S_CTRL1,              0x00000330},
  76         {RT5514_I2S_CTRL2,              0x20000000},
  77         {RT5514_VAD_CTRL6,              0xc00007d2},
  78         {RT5514_EXT_VAD_CTRL,           0x80000080},
  79         {RT5514_DIG_IO_CTRL,            0x00000040},
  80         {RT5514_PAD_CTRL1,              0x00804000},
  81         {RT5514_DMIC_DATA_CTRL,         0x00000005},
  82         {RT5514_DIG_SOURCE_CTRL,        0x00000002},
  83         {RT5514_SRC_CTRL,               0x44000eee},
  84         {RT5514_DOWNFILTER2_CTRL1,      0x0000882f},
  85         {RT5514_PLL_SOURCE_CTRL,        0x00000004},
  86         {RT5514_CLK_CTRL1,              0x38020041},
  87         {RT5514_CLK_CTRL2,              0x00000000},
  88         {RT5514_PLL3_CALIB_CTRL1,       0x00400200},
  89         {RT5514_PLL3_CALIB_CTRL5,       0x40220012},
  90         {RT5514_DELAY_BUF_CTRL1,        0x7fff006a},
  91         {RT5514_DELAY_BUF_CTRL3,        0x00000000},
  92         {RT5514_DOWNFILTER0_CTRL1,      0x00020c2f},
  93         {RT5514_DOWNFILTER0_CTRL2,      0x00020c2f},
  94         {RT5514_DOWNFILTER0_CTRL3,      0x10000362},
  95         {RT5514_DOWNFILTER1_CTRL1,      0x00020c2f},
  96         {RT5514_DOWNFILTER1_CTRL2,      0x00020c2f},
  97         {RT5514_DOWNFILTER1_CTRL3,      0x10000362},
  98         {RT5514_ANA_CTRL_LDO10,         0x00028604},
  99         {RT5514_ANA_CTRL_LDO18_16,      0x02000345},
 100         {RT5514_ANA_CTRL_ADC12,         0x0000a2a8},
 101         {RT5514_ANA_CTRL_ADC21,         0x00001180},
 102         {RT5514_ANA_CTRL_ADC22,         0x0000aaa8},
 103         {RT5514_ANA_CTRL_ADC23,         0x00151427},
 104         {RT5514_ANA_CTRL_MICBST,        0x00002000},
 105         {RT5514_ANA_CTRL_ADCFED,        0x00000800},
 106         {RT5514_ANA_CTRL_INBUF,         0x00000143},
 107         {RT5514_ANA_CTRL_VREF,          0x00008d50},
 108         {RT5514_ANA_CTRL_PLL3,          0x0000000e},
 109         {RT5514_ANA_CTRL_PLL1_1,        0x00000000},
 110         {RT5514_ANA_CTRL_PLL1_2,        0x00030220},
 111         {RT5514_DMIC_LP_CTRL,           0x00000000},
 112         {RT5514_MISC_CTRL_DSP,          0x00000000},
 113         {RT5514_DSP_CTRL1,              0x00055149},
 114         {RT5514_DSP_CTRL3,              0x00000006},
 115         {RT5514_DSP_CTRL4,              0x00000001},
 116         {RT5514_VENDOR_ID1,             0x00000001},
 117         {RT5514_VENDOR_ID2,             0x10ec5514},
 118 };
 119
 120 static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
 121 {
 122         /* Reset */
 123         regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
 124         /* LDO_I_limit */
 125         regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
 126         /* I2C bypass enable */
 127         regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
 128         /* mini-core reset */
 129         regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
 130         regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
 131         /* I2C bypass disable */
 132         regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
 133         /* PIN config */
 134         regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
 135         /* PLL3(QN)=RCOSC*(10+2) */
 136         regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
 137         /* PLL3 source=RCOSC, fsi=rt_clk */
 138         regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
 139         /* Power on RCOSC, pll3 */
 140         regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
 141         /* DSP clk source = pll3, ENABLE DSP clk */
 142         regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
 143         /* Enable DSP clk auto switch */
 144         regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
 145         /* Reduce DSP power */
 146         regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
 147 }
 148
 149 static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
 150 {
 151         switch (reg) {
 152         case RT5514_VENDOR_ID1:
 153         case RT5514_VENDOR_ID2:
 154                 return true;
 155
 156         default:
 157                 return false;
 158         }
 159 }
 160
 161 static bool rt5514_readable_register(struct device *dev, unsigned int reg)
 162 {
 163         switch (reg) {
 164         case RT5514_RESET:
 165         case RT5514_PWR_ANA1:
 166         case RT5514_PWR_ANA2:
 167         case RT5514_I2S_CTRL1:
 168         case RT5514_I2S_CTRL2:
 169         case RT5514_VAD_CTRL6:
 170         case RT5514_EXT_VAD_CTRL:
 171         case RT5514_DIG_IO_CTRL:
 172         case RT5514_PAD_CTRL1:
 173         case RT5514_DMIC_DATA_CTRL:
 174         case RT5514_DIG_SOURCE_CTRL:
 175         case RT5514_SRC_CTRL:
 176         case RT5514_DOWNFILTER2_CTRL1:
 177         case RT5514_PLL_SOURCE_CTRL:
 178         case RT5514_CLK_CTRL1:
 179         case RT5514_CLK_CTRL2:
 180         case RT5514_PLL3_CALIB_CTRL1:
 181         case RT5514_PLL3_CALIB_CTRL5:
 182         case RT5514_DELAY_BUF_CTRL1:
 183         case RT5514_DELAY_BUF_CTRL3:
 184         case RT5514_DOWNFILTER0_CTRL1:
 185         case RT5514_DOWNFILTER0_CTRL2:
 186         case RT5514_DOWNFILTER0_CTRL3:
 187         case RT5514_DOWNFILTER1_CTRL1:
 188         case RT5514_DOWNFILTER1_CTRL2:
 189         case RT5514_DOWNFILTER1_CTRL3:
 190         case RT5514_ANA_CTRL_LDO10:
 191         case RT5514_ANA_CTRL_LDO18_16:
 192         case RT5514_ANA_CTRL_ADC12:
 193         case RT5514_ANA_CTRL_ADC21:
 194         case RT5514_ANA_CTRL_ADC22:
 195         case RT5514_ANA_CTRL_ADC23:
 196         case RT5514_ANA_CTRL_MICBST:
 197         case RT5514_ANA_CTRL_ADCFED:
 198         case RT5514_ANA_CTRL_INBUF:
 199         case RT5514_ANA_CTRL_VREF:
 200         case RT5514_ANA_CTRL_PLL3:
 201         case RT5514_ANA_CTRL_PLL1_1:
 202         case RT5514_ANA_CTRL_PLL1_2:
 203         case RT5514_DMIC_LP_CTRL:
 204         case RT5514_MISC_CTRL_DSP:
 205         case RT5514_DSP_CTRL1:
 206         case RT5514_DSP_CTRL3:
 207         case RT5514_DSP_CTRL4:
 208         case RT5514_VENDOR_ID1:
 209         case RT5514_VENDOR_ID2:
 210                 return true;
 211
 212         default:
 213                 return false;
 214         }
 215 }
 216
 217 static bool rt5514_i2c_readable_register(struct device *dev,
 218         unsigned int reg)
 219 {
 220         switch (reg) {
 221         case RT5514_DSP_MAPPING | RT5514_RESET:
 222         case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
 223         case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
 224         case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
 225         case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
 226         case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
 227         case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
 228         case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
 229         case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
 230         case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
 231         case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
 232         case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
 233         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
 234         case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
 235         case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
 236         case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
 237         case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
 238         case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
 239         case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
 240         case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
 241         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
 242         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
 243         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
 244         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
 245         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
 246         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
 247         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
 248         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
 249         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
 250         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
 251         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
 252         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
 253         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
 254         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
 255         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
 256         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
 257         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
 258         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
 259         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
 260         case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
 261         case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
 262         case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
 263         case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
 264         case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
 265         case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
 266         case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
 267                 return true;
 268
 269         default:
 270                 return false;
 271         }
 272 }
 273
 274 /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
 275 static const DECLARE_TLV_DB_RANGE(bst_tlv,
 276         0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
 277         3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
 278         4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
 279         5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
 280         6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
 281         7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
 282         8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
 283 );
 284
 285 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
 286
 287 static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
 288                 struct snd_ctl_elem_value *ucontrol)
 289 {
 290         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 291         struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
 292
 293         ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
 294
 295         return 0;
 296 }
 297
 298 static int rt5514_calibration(struct rt5514_priv *rt5514, bool on)
 299 {
 300         if (on) {
 301                 regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL3, 0x0000000a);
 302                 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
 303                         0xa);
 304                 regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301,
 305                         0x301);
 306                 regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL4,
 307                         0x80000000 | rt5514->pll3_cal_value);
 308                 regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL1,
 309                         0x8bb80800);
 310                 regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
 311                         0xc0000000, 0x80000000);
 312                 regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
 313                         0xc0000000, 0xc0000000);
 314         } else {
 315                 regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
 316                         0xc0000000, 0x40000000);
 317                 regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 0);
 318                 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
 319                         0x4);
 320         }
 321
 322         return 0;
 323 }
 324
 325 static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
 326                 struct snd_ctl_elem_value *ucontrol)
 327 {
 328         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 329         struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
 330         struct snd_soc_codec *codec = rt5514->codec;
 331         const struct firmware *fw = NULL;
 332         u8 buf[8];
 333
 334         if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
 335                 return 0;
 336
 337         if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
 338                 rt5514->dsp_enabled = ucontrol->value.integer.value[0];
 339
 340                 if (rt5514->dsp_enabled) {
 341                         if (rt5514->pdata.dsp_calib_clk_name &&
 342                                 !IS_ERR(rt5514->dsp_calib_clk)) {
 343                                 if (clk_set_rate(rt5514->dsp_calib_clk,
 344                                         rt5514->pdata.dsp_calib_clk_rate))
 345                                         dev_err(codec->dev,
 346                                                 "Can't set rate for mclk");
 347
 348                                 if (clk_prepare_enable(rt5514->dsp_calib_clk))
 349                                         dev_err(codec->dev,
 350                                                 "Can't enable dsp_calib_clk");
 351
 352                                 rt5514_calibration(rt5514, true);
 353
 354                                 msleep(20);
 355 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
 356                                 rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 |
 357                                         RT5514_DSP_MAPPING,
 358                                         (u8 *)&buf, sizeof(buf));
 359 #else
 360                                 dev_err(codec->dev, "There is no SPI driver for"
 361                                         " loading the firmware\n");
 362 #endif
 363                                 rt5514->pll3_cal_value = buf[0] | buf[1] << 8 |
 364                                         buf[2] << 16 | buf[3] << 24;
 365
 366                                 rt5514_calibration(rt5514, false);
 367                                 clk_disable_unprepare(rt5514->dsp_calib_clk);
 368                         }
 369
 370                         rt5514_enable_dsp_prepare(rt5514);
 371
 372                         request_firmware(&fw, RT5514_FIRMWARE1, codec->dev);
 373                         if (fw) {
 374 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
 375                                 rt5514_spi_burst_write(0x4ff60000, fw->data,
 376                                         ((fw->size/8)+1)*8);
 377 #else
 378                                 dev_err(codec->dev, "There is no SPI driver for"
 379                                         " loading the firmware\n");
 380 #endif
 381                                 release_firmware(fw);
 382                                 fw = NULL;
 383                         }
 384
 385                         request_firmware(&fw, RT5514_FIRMWARE2, codec->dev);
 386                         if (fw) {
 387 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
 388                                 rt5514_spi_burst_write(0x4ffc0000, fw->data,
 389                                         ((fw->size/8)+1)*8);
 390 #else
 391                                 dev_err(codec->dev, "There is no SPI driver for"
 392                                         " loading the firmware\n");
 393 #endif
 394                                 release_firmware(fw);
 395                                 fw = NULL;
 396                         }
 397
 398                         /* DSP run */
 399                         regmap_write(rt5514->i2c_regmap, 0x18002f00,
 400                                 0x00055148);
 401
 402                         if (rt5514->pdata.dsp_calib_clk_name &&
 403                                 !IS_ERR(rt5514->dsp_calib_clk)) {
 404                                 msleep(20);
 405
 406                                 regmap_write(rt5514->i2c_regmap, 0x1800211c,
 407                                         rt5514->pll3_cal_value);
 408                                 regmap_write(rt5514->i2c_regmap, 0x18002124,
 409                                         0x00220012);
 410                                 regmap_write(rt5514->i2c_regmap, 0x18002124,
 411                                         0x80220042);
 412                                 regmap_write(rt5514->i2c_regmap, 0x18002124,
 413                                         0xe0220042);
 414                         }
 415                 } else {
 416                         regmap_multi_reg_write(rt5514->i2c_regmap,
 417                                 rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
 418                         regcache_mark_dirty(rt5514->regmap);
 419                         regcache_sync(rt5514->regmap);
 420                 }
 421         }
 422
 423         return 0;
 424 }
 425
 426 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
 427         SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
 428                 RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
 429         SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
 430                 RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
 431                 adc_vol_tlv),
 432         SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
 433                 RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
 434                 adc_vol_tlv),
 435         SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
 436                 rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
 437 };
 438
 439 /* ADC Mixer*/
 440 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
 441         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
 442                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 443         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
 444                 RT5514_AD_AD_MIX_BIT, 1, 1),
 445 };
 446
 447 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
 448         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
 449                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 450         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
 451                 RT5514_AD_AD_MIX_BIT, 1, 1),
 452 };
 453
 454 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
 455         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
 456                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 457         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
 458                 RT5514_AD_AD_MIX_BIT, 1, 1),
 459 };
 460
 461 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
 462         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
 463                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 464         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
 465                 RT5514_AD_AD_MIX_BIT, 1, 1),
 466 };
 467
 468 /* DMIC Source */
 469 static const char * const rt5514_dmic_src[] = {
 470         "DMIC1", "DMIC2"
 471 };
 472
 473 static SOC_ENUM_SINGLE_DECL(
 474         rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
 475         RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
 476
 477 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
 478         SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
 479
 480 static SOC_ENUM_SINGLE_DECL(
 481         rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
 482         RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
 483
 484 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
 485         SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
 486
 487 /**
 488  * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
 489  *
 490  * @rate: base clock rate.
 491  *
 492  * Choose divider parameter that gives the highest possible DMIC frequency in
 493  * 1MHz - 3MHz range.
 494  */
 495 static int rt5514_calc_dmic_clk(struct snd_soc_codec *codec, int rate)
 496 {
 497         int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
 498         int i;
 499
 500         if (rate < 1000000 * div[0]) {
 501                 pr_warn("Base clock rate %d is too low\n", rate);
 502                 return -EINVAL;
 503         }
 504
 505         for (i = 0; i < ARRAY_SIZE(div); i++) {
 506                 /* find divider that gives DMIC frequency below 3.072MHz */
 507                 if (3072000 * div[i] >= rate)
 508                         return i;
 509         }
 510
 511         dev_warn(codec->dev, "Base clock rate %d is too high\n", rate);
 512         return -EINVAL;
 513 }
 514
 515 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
 516         struct snd_kcontrol *kcontrol, int event)
 517 {
 518         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 519         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 520         int idx;
 521
 522         idx = rt5514_calc_dmic_clk(codec, rt5514->sysclk);
 523         if (idx < 0)
 524                 dev_err(codec->dev, "Failed to set DMIC clock\n");
 525         else
 526                 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
 527                         RT5514_CLK_DMIC_OUT_SEL_MASK,
 528                         idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
 529
 530         if (rt5514->pdata.dmic_init_delay)
 531                 msleep(rt5514->pdata.dmic_init_delay);
 532
 533         return idx;
 534 }
 535
 536 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
 537                          struct snd_soc_dapm_widget *sink)
 538 {
 539         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 540         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 541
 542         if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
 543                 return 1;
 544         else
 545                 return 0;
 546 }
 547
 548 static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source,
 549         struct snd_soc_dapm_widget *sink)
 550 {
 551         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 552         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 553
 554         return (rt5514->sysclk > rt5514->lrck * 384);
 555 }
 556
 557 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
 558         /* Input Lines */
 559         SND_SOC_DAPM_INPUT("DMIC1L"),
 560         SND_SOC_DAPM_INPUT("DMIC1R"),
 561         SND_SOC_DAPM_INPUT("DMIC2L"),
 562         SND_SOC_DAPM_INPUT("DMIC2R"),
 563
 564         SND_SOC_DAPM_INPUT("AMICL"),
 565         SND_SOC_DAPM_INPUT("AMICR"),
 566
 567         SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
 568         SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
 569
 570         SND_SOC_DAPM_SUPPLY_S("DMIC CLK", 1, SND_SOC_NOPM, 0, 0,
 571                 rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
 572
 573         SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
 574                 RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
 575
 576         SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
 577                 RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
 578         SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
 579                 RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
 580         SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
 581                 NULL, 0),
 582         SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
 583                 RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
 584         SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
 585                 RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
 586         SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
 587                 RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
 588         SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
 589                 NULL, 0),
 590         SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
 591                 NULL, 0),
 592         SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
 593                 NULL, 0),
 594         SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
 595
 596
 597         SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
 598                 NULL, 0),
 599         SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
 600                 NULL, 0),
 601         SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
 602                 NULL, 0),
 603         SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
 604                 NULL, 0),
 605         SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
 606                 0, NULL, 0),
 607         SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
 608
 609         SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
 610                 NULL, 0),
 611         SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
 612                 NULL, 0),
 613         SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
 614                 NULL, 0),
 615         SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
 616                 NULL, 0),
 617         SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
 618                 0, NULL, 0),
 619         SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
 620
 621         SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
 622                 RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
 623         SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
 624                 RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
 625         SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
 626                 NULL, 0),
 627         SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2,
 628                 RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0),
 629         SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2,
 630                 RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0),
 631
 632         /* ADC Mux */
 633         SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
 634                                 &rt5514_sto1_dmic_mux),
 635         SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
 636                                 &rt5514_sto2_dmic_mux),
 637
 638         /* ADC Mixer */
 639         SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
 640                 RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
 641         SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
 642                 RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
 643
 644         SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
 645                 rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
 646         SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
 647                 rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
 648         SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
 649                 rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
 650         SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
 651                 rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
 652
 653         SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
 654                 RT5514_AD_AD_MUTE_BIT, 1),
 655         SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
 656                 RT5514_AD_AD_MUTE_BIT, 1),
 657         SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
 658                 RT5514_AD_AD_MUTE_BIT, 1),
 659         SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
 660                 RT5514_AD_AD_MUTE_BIT, 1),
 661
 662         /* ADC PGA */
 663         SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
 664         SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
 665
 666         /* Audio Interface */
 667         SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 668 };
 669
 670 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
 671         { "DMIC1", NULL, "DMIC1L" },
 672         { "DMIC1", NULL, "DMIC1R" },
 673         { "DMIC2", NULL, "DMIC2L" },
 674         { "DMIC2", NULL, "DMIC2R" },
 675
 676         { "DMIC1L", NULL, "DMIC CLK" },
 677         { "DMIC1R", NULL, "DMIC CLK" },
 678         { "DMIC2L", NULL, "DMIC CLK" },
 679         { "DMIC2R", NULL, "DMIC CLK" },
 680
 681         { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
 682         { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
 683
 684         { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
 685         { "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
 686         { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
 687         { "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
 688
 689         { "ADC Power", NULL, "LDO18 IN" },
 690         { "ADC Power", NULL, "LDO18 ADC" },
 691         { "ADC Power", NULL, "LDO21" },
 692         { "ADC Power", NULL, "BG LDO18 IN" },
 693         { "ADC Power", NULL, "BG LDO21" },
 694         { "ADC Power", NULL, "BG MBIAS" },
 695         { "ADC Power", NULL, "MBIAS" },
 696         { "ADC Power", NULL, "VREF2" },
 697         { "ADC Power", NULL, "VREF1" },
 698
 699         { "ADCL Power", NULL, "LDO16L" },
 700         { "ADCL Power", NULL, "ADC1L" },
 701         { "ADCL Power", NULL, "BSTL2" },
 702         { "ADCL Power", NULL, "BSTL" },
 703         { "ADCL Power", NULL, "ADCFEDL" },
 704
 705         { "ADCR Power", NULL, "LDO16R" },
 706         { "ADCR Power", NULL, "ADC1R" },
 707         { "ADCR Power", NULL, "BSTR2" },
 708         { "ADCR Power", NULL, "BSTR" },
 709         { "ADCR Power", NULL, "ADCFEDR" },
 710
 711         { "AMICL", NULL, "ADC CLK" },
 712         { "AMICL", NULL, "ADC Power" },
 713         { "AMICL", NULL, "ADCL Power" },
 714         { "AMICR", NULL, "ADC CLK" },
 715         { "AMICR", NULL, "ADC Power" },
 716         { "AMICR", NULL, "ADCR Power" },
 717
 718         { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
 719         { "PLL1", NULL, "PLL1 LDO" },
 720
 721         { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
 722         { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
 723
 724         { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
 725         { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
 726         { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
 727         { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
 728         { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc },
 729
 730         { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
 731         { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
 732
 733         { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
 734         { "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
 735         { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
 736         { "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
 737
 738         { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
 739         { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
 740
 741         { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
 742         { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
 743         { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
 744         { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
 745         { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc },
 746
 747         { "AIF1TX", NULL, "Stereo1 ADC MIX"},
 748         { "AIF1TX", NULL, "Stereo2 ADC MIX"},
 749 };
 750
 751 static int rt5514_hw_params(struct snd_pcm_substream *substream,
 752         struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 753 {
 754         struct snd_soc_codec *codec = dai->codec;
 755         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 756         int pre_div, bclk_ms, frame_size;
 757         unsigned int val_len = 0;
 758
 759         rt5514->lrck = params_rate(params);
 760         pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
 761         if (pre_div < 0) {
 762                 dev_err(codec->dev, "Unsupported clock setting\n");
 763                 return -EINVAL;
 764         }
 765
 766         frame_size = snd_soc_params_to_frame_size(params);
 767         if (frame_size < 0) {
 768                 dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size);
 769                 return -EINVAL;
 770         }
 771
 772         bclk_ms = frame_size > 32;
 773         rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
 774
 775         dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
 776                 rt5514->bclk, rt5514->lrck);
 777         dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
 778                                 bclk_ms, pre_div, dai->id);
 779
 780         switch (params_format(params)) {
 781         case SNDRV_PCM_FORMAT_S16_LE:
 782                 break;
 783         case SNDRV_PCM_FORMAT_S20_3LE:
 784                 val_len = RT5514_I2S_DL_20;
 785                 break;
 786         case SNDRV_PCM_FORMAT_S24_LE:
 787                 val_len = RT5514_I2S_DL_24;
 788                 break;
 789         case SNDRV_PCM_FORMAT_S8:
 790                 val_len = RT5514_I2S_DL_8;
 791                 break;
 792         default:
 793                 return -EINVAL;
 794         }
 795
 796         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
 797                 val_len);
 798         regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
 799                 RT5514_CLK_AD_ANA1_SEL_MASK,
 800                 (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT);
 801         regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
 802                 RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
 803                 pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
 804                 pre_div << RT5514_SEL_ADC_OSR_SFT);
 805
 806         return 0;
 807 }
 808
 809 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 810 {
 811         struct snd_soc_codec *codec = dai->codec;
 812         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 813         unsigned int reg_val = 0;
 814
 815         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 816         case SND_SOC_DAIFMT_NB_NF:
 817                 break;
 818
 819         case SND_SOC_DAIFMT_NB_IF:
 820                 reg_val |= RT5514_I2S_LR_INV;
 821                 break;
 822
 823         case SND_SOC_DAIFMT_IB_NF:
 824                 reg_val |= RT5514_I2S_BP_INV;
 825                 break;
 826
 827         case SND_SOC_DAIFMT_IB_IF:
 828                 reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
 829                 break;
 830
 831         default:
 832                 return -EINVAL;
 833         }
 834
 835         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 836         case SND_SOC_DAIFMT_I2S:
 837                 break;
 838
 839         case SND_SOC_DAIFMT_LEFT_J:
 840                 reg_val |= RT5514_I2S_DF_LEFT;
 841                 break;
 842
 843         case SND_SOC_DAIFMT_DSP_A:
 844                 reg_val |= RT5514_I2S_DF_PCM_A;
 845                 break;
 846
 847         case SND_SOC_DAIFMT_DSP_B:
 848                 reg_val |= RT5514_I2S_DF_PCM_B;
 849                 break;
 850
 851         default:
 852                 return -EINVAL;
 853         }
 854
 855         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
 856                 RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
 857                 reg_val);
 858
 859         return 0;
 860 }
 861
 862 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
 863                 int clk_id, unsigned int freq, int dir)
 864 {
 865         struct snd_soc_codec *codec = dai->codec;
 866         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 867         unsigned int reg_val = 0;
 868
 869         if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
 870                 return 0;
 871
 872         switch (clk_id) {
 873         case RT5514_SCLK_S_MCLK:
 874                 reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
 875                 break;
 876
 877         case RT5514_SCLK_S_PLL1:
 878                 reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
 879                 break;
 880
 881         default:
 882                 dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
 883                 return -EINVAL;
 884         }
 885
 886         regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
 887                 RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
 888
 889         rt5514->sysclk = freq;
 890         rt5514->sysclk_src = clk_id;
 891
 892         dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
 893
 894         return 0;
 895 }
 896
 897 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
 898                         unsigned int freq_in, unsigned int freq_out)
 899 {
 900         struct snd_soc_codec *codec = dai->codec;
 901         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 902         struct rl6231_pll_code pll_code;
 903         int ret;
 904
 905         if (!freq_in || !freq_out) {
 906                 dev_dbg(codec->dev, "PLL disabled\n");
 907
 908                 rt5514->pll_in = 0;
 909                 rt5514->pll_out = 0;
 910                 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
 911                         RT5514_CLK_SYS_PRE_SEL_MASK,
 912                         RT5514_CLK_SYS_PRE_SEL_MCLK);
 913
 914                 return 0;
 915         }
 916
 917         if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
 918             freq_out == rt5514->pll_out)
 919                 return 0;
 920
 921         switch (source) {
 922         case RT5514_PLL1_S_MCLK:
 923                 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
 924                         RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
 925                 break;
 926
 927         case RT5514_PLL1_S_BCLK:
 928                 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
 929                         RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
 930                 break;
 931
 932         default:
 933                 dev_err(codec->dev, "Unknown PLL source %d\n", source);
 934                 return -EINVAL;
 935         }
 936
 937         ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
 938         if (ret < 0) {
 939                 dev_err(codec->dev, "Unsupport input clock %d\n", freq_in);
 940                 return ret;
 941         }
 942
 943         dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=%d\n",
 944                 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
 945                 pll_code.n_code, pll_code.k_code);
 946
 947         regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
 948                 pll_code.k_code << RT5514_PLL_K_SFT |
 949                 pll_code.n_code << RT5514_PLL_N_SFT |
 950                 (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
 951         regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
 952                 RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
 953
 954         rt5514->pll_in = freq_in;
 955         rt5514->pll_out = freq_out;
 956         rt5514->pll_src = source;
 957
 958         return 0;
 959 }
 960
 961 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 962                         unsigned int rx_mask, int slots, int slot_width)
 963 {
 964         struct snd_soc_codec *codec = dai->codec;
 965         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 966         unsigned int val = 0, val2 = 0;
 967
 968         if (rx_mask || tx_mask)
 969                 val |= RT5514_TDM_MODE;
 970
 971         switch (tx_mask) {
 972         case 0x3:
 973                 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
 974                         RT5514_TDM_DOCKING_START_SLOT0;
 975                 break;
 976
 977         case 0x30:
 978                 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
 979                         RT5514_TDM_DOCKING_START_SLOT4;
 980                 break;
 981
 982         case 0xf:
 983                 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
 984                         RT5514_TDM_DOCKING_START_SLOT0;
 985                 break;
 986
 987         case 0xf0:
 988                 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
 989                         RT5514_TDM_DOCKING_START_SLOT4;
 990                 break;
 991
 992         default:
 993                 break;
 994         }
 995
 996
 997
 998         switch (slots) {
 999         case 4:
1000                 val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
1001                 break;
1002
1003         case 6:
1004                 val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH;
1005                 break;
1006
1007         case 8:
1008                 val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH;
1009                 break;
1010
1011         case 2:
1012         default:
1013                 break;
1014         }
1015
1016         switch (slot_width) {
1017         case 20:
1018                 val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
1019                 break;
1020
1021         case 24:
1022                 val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
1023                 break;
1024
1025         case 25:
1026                 val |= RT5514_TDM_MODE2;
1027                 break;
1028
1029         case 32:
1030                 val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
1031                 break;
1032
1033         case 16:
1034         default:
1035                 break;
1036         }
1037
1038         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
1039                 RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
1040                 RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK |
1041                 RT5514_TDM_MODE2, val);
1042
1043         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2,
1044                 RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK |
1045                 RT5514_TDM_DOCKING_START_MASK, val2);
1046
1047         return 0;
1048 }
1049
1050 static int rt5514_set_bias_level(struct snd_soc_codec *codec,
1051                         enum snd_soc_bias_level level)
1052 {
1053         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
1054         int ret;
1055
1056         switch (level) {
1057         case SND_SOC_BIAS_PREPARE:
1058                 if (IS_ERR(rt5514->mclk))
1059                         break;
1060
1061                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
1062                         clk_disable_unprepare(rt5514->mclk);
1063                 } else {
1064                         ret = clk_prepare_enable(rt5514->mclk);
1065                         if (ret)
1066                                 return ret;
1067                 }
1068                 break;
1069
1070         case SND_SOC_BIAS_STANDBY:
1071                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1072                         /*
1073                          * If the DSP is enabled in start of recording, the DSP
1074                          * should be disabled, and sync back to normal recording
1075                          * settings to make sure recording properly.
1076                          */
1077                         if (rt5514->dsp_enabled) {
1078                                 rt5514->dsp_enabled = 0;
1079                                 regmap_multi_reg_write(rt5514->i2c_regmap,
1080                                         rt5514_i2c_patch,
1081                                         ARRAY_SIZE(rt5514_i2c_patch));
1082                                 regcache_mark_dirty(rt5514->regmap);
1083                                 regcache_sync(rt5514->regmap);
1084                         }
1085                 }
1086                 break;
1087
1088         default:
1089                 break;
1090         }
1091
1092         return 0;
1093 }
1094
1095 static int rt5514_probe(struct snd_soc_codec *codec)
1096 {
1097         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
1098         struct platform_device *pdev = container_of(codec->dev,
1099                                                    struct platform_device, dev);
1100
1101         rt5514->mclk = devm_clk_get(codec->dev, "mclk");
1102         if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER)
1103                 return -EPROBE_DEFER;
1104
1105         if (rt5514->pdata.dsp_calib_clk_name) {
1106                 rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev,
1107                                 rt5514->pdata.dsp_calib_clk_name);
1108                 if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER)
1109                         return -EPROBE_DEFER;
1110         }
1111
1112         rt5514->codec = codec;
1113         rt5514->pll3_cal_value = 0x0078b000;
1114
1115         return 0;
1116 }
1117
1118 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
1119 {
1120         struct i2c_client *client = context;
1121         struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1122
1123         regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1124
1125         return 0;
1126 }
1127
1128 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
1129 {
1130         struct i2c_client *client = context;
1131         struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1132
1133         regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1134
1135         return 0;
1136 }
1137
1138 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1139 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1140                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1141
1142 static const struct snd_soc_dai_ops rt5514_aif_dai_ops = {
1143         .hw_params = rt5514_hw_params,
1144         .set_fmt = rt5514_set_dai_fmt,
1145         .set_sysclk = rt5514_set_dai_sysclk,
1146         .set_pll = rt5514_set_dai_pll,
1147         .set_tdm_slot = rt5514_set_tdm_slot,
1148 };
1149
1150 static struct snd_soc_dai_driver rt5514_dai[] = {
1151         {
1152                 .name = "rt5514-aif1",
1153                 .id = 0,
1154                 .capture = {
1155                         .stream_name = "AIF1 Capture",
1156                         .channels_min = 1,
1157                         .channels_max = 4,
1158                         .rates = RT5514_STEREO_RATES,
1159                         .formats = RT5514_FORMATS,
1160                 },
1161                 .ops = &rt5514_aif_dai_ops,
1162         }
1163 };
1164
1165 static const struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
1166         .probe = rt5514_probe,
1167         .idle_bias_off = true,
1168         .set_bias_level = rt5514_set_bias_level,
1169         .component_driver = {
1170                 .controls               = rt5514_snd_controls,
1171                 .num_controls           = ARRAY_SIZE(rt5514_snd_controls),
1172                 .dapm_widgets           = rt5514_dapm_widgets,
1173                 .num_dapm_widgets       = ARRAY_SIZE(rt5514_dapm_widgets),
1174                 .dapm_routes            = rt5514_dapm_routes,
1175                 .num_dapm_routes        = ARRAY_SIZE(rt5514_dapm_routes),
1176         },
1177 };
1178
1179 static const struct regmap_config rt5514_i2c_regmap = {
1180         .name = "i2c",
1181         .reg_bits = 32,
1182         .val_bits = 32,
1183
1184         .readable_reg = rt5514_i2c_readable_register,
1185
1186         .cache_type = REGCACHE_NONE,
1187 };
1188
1189 static const struct regmap_config rt5514_regmap = {
1190         .reg_bits = 16,
1191         .val_bits = 32,
1192
1193         .max_register = RT5514_VENDOR_ID2,
1194         .volatile_reg = rt5514_volatile_register,
1195         .readable_reg = rt5514_readable_register,
1196         .reg_read = rt5514_i2c_read,
1197         .reg_write = rt5514_i2c_write,
1198
1199         .cache_type = REGCACHE_RBTREE,
1200         .reg_defaults = rt5514_reg,
1201         .num_reg_defaults = ARRAY_SIZE(rt5514_reg),
1202         .use_single_rw = true,
1203 };
1204
1205 static const struct i2c_device_id rt5514_i2c_id[] = {
1206         { "rt5514", 0 },
1207         { }
1208 };
1209 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
1210
1211 #if defined(CONFIG_OF)
1212 static const struct of_device_id rt5514_of_match[] = {
1213         { .compatible = "realtek,rt5514", },
1214         {},
1215 };
1216 MODULE_DEVICE_TABLE(of, rt5514_of_match);
1217 #endif
1218
1219 #ifdef CONFIG_ACPI
1220 static const struct acpi_device_id rt5514_acpi_match[] = {
1221         { "10EC5514", 0},
1222         {},
1223 };
1224 MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match);
1225 #endif
1226
1227 static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev)
1228 {
1229         device_property_read_u32(dev, "realtek,dmic-init-delay-ms",
1230                 &rt5514->pdata.dmic_init_delay);
1231         device_property_read_string(dev, "realtek,dsp-calib-clk-name",
1232                 &rt5514->pdata.dsp_calib_clk_name);
1233         device_property_read_u32(dev, "realtek,dsp-calib-clk-rate",
1234                 &rt5514->pdata.dsp_calib_clk_rate);
1235
1236         return 0;
1237 }
1238
1239 static __maybe_unused int rt5514_i2c_resume(struct device *dev)
1240 {
1241         struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
1242         unsigned int val;
1243
1244         /*
1245          * Add a bogus read to avoid rt5514's confusion after s2r in case it
1246          * saw glitches on the i2c lines and thought the other side sent a
1247          * start bit.
1248          */
1249         regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1250
1251         return 0;
1252 }
1253
1254 static int rt5514_i2c_probe(struct i2c_client *i2c,
1255                     const struct i2c_device_id *id)
1256 {
1257         struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
1258         struct rt5514_priv *rt5514;
1259         int ret;
1260         unsigned int val = ~0;
1261
1262         rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
1263                                 GFP_KERNEL);
1264         if (rt5514 == NULL)
1265                 return -ENOMEM;
1266
1267         i2c_set_clientdata(i2c, rt5514);
1268
1269         if (pdata)
1270                 rt5514->pdata = *pdata;
1271         else
1272                 rt5514_parse_dp(rt5514, &i2c->dev);
1273
1274         rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
1275         if (IS_ERR(rt5514->i2c_regmap)) {
1276                 ret = PTR_ERR(rt5514->i2c_regmap);
1277                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1278                         ret);
1279                 return ret;
1280         }
1281
1282         rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
1283         if (IS_ERR(rt5514->regmap)) {
1284                 ret = PTR_ERR(rt5514->regmap);
1285                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1286                         ret);
1287                 return ret;
1288         }
1289
1290         /*
1291          * The rt5514 can get confused if the i2c lines glitch together, as
1292          * can happen at bootup as regulators are turned off and on.  If it's
1293          * in this glitched state the first i2c read will fail, so we'll give
1294          * it one change to retry.
1295          */
1296         ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1297         if (ret || val != RT5514_DEVICE_ID)
1298                 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1299         if (ret || val != RT5514_DEVICE_ID) {
1300                 dev_err(&i2c->dev,
1301                         "Device with ID register %x is not rt5514\n", val);
1302                 return -ENODEV;
1303         }
1304
1305         ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
1306                                     ARRAY_SIZE(rt5514_i2c_patch));
1307         if (ret != 0)
1308                 dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
1309                         ret);
1310
1311         ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
1312                                     ARRAY_SIZE(rt5514_patch));
1313         if (ret != 0)
1314                 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1315
1316         return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5514,
1317                         rt5514_dai, ARRAY_SIZE(rt5514_dai));
1318 }
1319
1320 static int rt5514_i2c_remove(struct i2c_client *i2c)
1321 {
1322         snd_soc_unregister_codec(&i2c->dev);
1323
1324         return 0;
1325 }
1326
1327 static const struct dev_pm_ops rt5514_i2_pm_ops = {
1328         SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
1329 };
1330
1331 static struct i2c_driver rt5514_i2c_driver = {
1332         .driver = {
1333                 .name = "rt5514",
1334                 .acpi_match_table = ACPI_PTR(rt5514_acpi_match),
1335                 .of_match_table = of_match_ptr(rt5514_of_match),
1336                 .pm = &rt5514_i2_pm_ops,
1337         },
1338         .probe = rt5514_i2c_probe,
1339         .remove   = rt5514_i2c_remove,
1340         .id_table = rt5514_i2c_id,
1341 };
1342 module_i2c_driver(rt5514_i2c_driver);
1343
1344 MODULE_DESCRIPTION("ASoC RT5514 driver");
1345 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
1346 MODULE_LICENSE("GPL v2");