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/fs.h>
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/init.h>
  16 #include <linux/delay.h>
  17 #include <linux/pm.h>
  18 #include <linux/regmap.h>
  19 #include <linux/i2c.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/firmware.h>
  22 #include <linux/gpio.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/pcm_params.h>
  26 #include <sound/soc.h>
  27 #include <sound/soc-dapm.h>
  28 #include <sound/initval.h>
  29 #include <sound/tlv.h>
  30
  31 #include "rl6231.h"
  32 #include "rt5514.h"
  33
  34 static const struct reg_sequence rt5514_i2c_patch[] = {
  35         {0x1800101c, 0x00000000},
  36         {0x18001100, 0x0000031f},
  37         {0x18001104, 0x00000007},
  38         {0x18001108, 0x00000000},
  39         {0x1800110c, 0x00000000},
  40         {0x18001110, 0x00000000},
  41         {0x18001114, 0x00000001},
  42         {0x18001118, 0x00000000},
  43         {0x18002f08, 0x00000006},
  44         {0x18002f00, 0x00055149},
  45         {0x18002f00, 0x0005514b},
  46         {0x18002f00, 0x00055149},
  47         {0xfafafafa, 0x00000001},
  48         {0x18002f10, 0x00000001},
  49         {0x18002f10, 0x00000000},
  50         {0x18002f10, 0x00000001},
  51         {0xfafafafa, 0x00000001},
  52         {0x18002000, 0x000010ec},
  53         {0xfafafafa, 0x00000000},
  54 };
  55
  56 static const struct reg_sequence rt5514_patch[] = {
  57         {RT5514_DIG_IO_CTRL,            0x00000040},
  58         {RT5514_CLK_CTRL1,              0x38020041},
  59         {RT5514_SRC_CTRL,               0x44000eee},
  60         {RT5514_ANA_CTRL_LDO10,         0x00028604},
  61         {RT5514_ANA_CTRL_ADCFED,        0x00000800},
  62 };
  63
  64 static const struct reg_default rt5514_reg[] = {
  65         {RT5514_RESET,                  0x00000000},
  66         {RT5514_PWR_ANA1,               0x00808880},
  67         {RT5514_PWR_ANA2,               0x00220000},
  68         {RT5514_I2S_CTRL1,              0x00000330},
  69         {RT5514_I2S_CTRL2,              0x20000000},
  70         {RT5514_VAD_CTRL6,              0xc00007d2},
  71         {RT5514_EXT_VAD_CTRL,           0x80000080},
  72         {RT5514_DIG_IO_CTRL,            0x00000040},
  73         {RT5514_PAD_CTRL1,              0x00804000},
  74         {RT5514_DMIC_DATA_CTRL,         0x00000005},
  75         {RT5514_DIG_SOURCE_CTRL,        0x00000002},
  76         {RT5514_SRC_CTRL,               0x44000eee},
  77         {RT5514_DOWNFILTER2_CTRL1,      0x0000882f},
  78         {RT5514_PLL_SOURCE_CTRL,        0x00000004},
  79         {RT5514_CLK_CTRL1,              0x38020041},
  80         {RT5514_CLK_CTRL2,              0x00000000},
  81         {RT5514_PLL3_CALIB_CTRL1,       0x00400200},
  82         {RT5514_PLL3_CALIB_CTRL5,       0x40220012},
  83         {RT5514_DELAY_BUF_CTRL1,        0x7fff006a},
  84         {RT5514_DELAY_BUF_CTRL3,        0x00000000},
  85         {RT5514_DOWNFILTER0_CTRL1,      0x00020c2f},
  86         {RT5514_DOWNFILTER0_CTRL2,      0x00020c2f},
  87         {RT5514_DOWNFILTER0_CTRL3,      0x00000362},
  88         {RT5514_DOWNFILTER1_CTRL1,      0x00020c2f},
  89         {RT5514_DOWNFILTER1_CTRL2,      0x00020c2f},
  90         {RT5514_DOWNFILTER1_CTRL3,      0x00000362},
  91         {RT5514_ANA_CTRL_LDO10,         0x00028604},
  92         {RT5514_ANA_CTRL_LDO18_16,      0x02000345},
  93         {RT5514_ANA_CTRL_ADC12,         0x0000a2a8},
  94         {RT5514_ANA_CTRL_ADC21,         0x00001180},
  95         {RT5514_ANA_CTRL_ADC22,         0x0000aaa8},
  96         {RT5514_ANA_CTRL_ADC23,         0x00151427},
  97         {RT5514_ANA_CTRL_MICBST,        0x00002000},
  98         {RT5514_ANA_CTRL_ADCFED,        0x00000800},
  99         {RT5514_ANA_CTRL_INBUF,         0x00000143},
 100         {RT5514_ANA_CTRL_VREF,          0x00008d50},
 101         {RT5514_ANA_CTRL_PLL3,          0x0000000e},
 102         {RT5514_ANA_CTRL_PLL1_1,        0x00000000},
 103         {RT5514_ANA_CTRL_PLL1_2,        0x00030220},
 104         {RT5514_DMIC_LP_CTRL,           0x00000000},
 105         {RT5514_MISC_CTRL_DSP,          0x00000000},
 106         {RT5514_DSP_CTRL1,              0x00055149},
 107         {RT5514_DSP_CTRL3,              0x00000006},
 108         {RT5514_DSP_CTRL4,              0x00000001},
 109         {RT5514_VENDOR_ID1,             0x00000001},
 110         {RT5514_VENDOR_ID2,             0x10ec5514},
 111 };
 112
 113 static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
 114 {
 115         switch (reg) {
 116         case RT5514_VENDOR_ID1:
 117         case RT5514_VENDOR_ID2:
 118                 return true;
 119
 120         default:
 121                 return false;
 122         }
 123 }
 124
 125 static bool rt5514_readable_register(struct device *dev, unsigned int reg)
 126 {
 127         switch (reg) {
 128         case RT5514_RESET:
 129         case RT5514_PWR_ANA1:
 130         case RT5514_PWR_ANA2:
 131         case RT5514_I2S_CTRL1:
 132         case RT5514_I2S_CTRL2:
 133         case RT5514_VAD_CTRL6:
 134         case RT5514_EXT_VAD_CTRL:
 135         case RT5514_DIG_IO_CTRL:
 136         case RT5514_PAD_CTRL1:
 137         case RT5514_DMIC_DATA_CTRL:
 138         case RT5514_DIG_SOURCE_CTRL:
 139         case RT5514_SRC_CTRL:
 140         case RT5514_DOWNFILTER2_CTRL1:
 141         case RT5514_PLL_SOURCE_CTRL:
 142         case RT5514_CLK_CTRL1:
 143         case RT5514_CLK_CTRL2:
 144         case RT5514_PLL3_CALIB_CTRL1:
 145         case RT5514_PLL3_CALIB_CTRL5:
 146         case RT5514_DELAY_BUF_CTRL1:
 147         case RT5514_DELAY_BUF_CTRL3:
 148         case RT5514_DOWNFILTER0_CTRL1:
 149         case RT5514_DOWNFILTER0_CTRL2:
 150         case RT5514_DOWNFILTER0_CTRL3:
 151         case RT5514_DOWNFILTER1_CTRL1:
 152         case RT5514_DOWNFILTER1_CTRL2:
 153         case RT5514_DOWNFILTER1_CTRL3:
 154         case RT5514_ANA_CTRL_LDO10:
 155         case RT5514_ANA_CTRL_LDO18_16:
 156         case RT5514_ANA_CTRL_ADC12:
 157         case RT5514_ANA_CTRL_ADC21:
 158         case RT5514_ANA_CTRL_ADC22:
 159         case RT5514_ANA_CTRL_ADC23:
 160         case RT5514_ANA_CTRL_MICBST:
 161         case RT5514_ANA_CTRL_ADCFED:
 162         case RT5514_ANA_CTRL_INBUF:
 163         case RT5514_ANA_CTRL_VREF:
 164         case RT5514_ANA_CTRL_PLL3:
 165         case RT5514_ANA_CTRL_PLL1_1:
 166         case RT5514_ANA_CTRL_PLL1_2:
 167         case RT5514_DMIC_LP_CTRL:
 168         case RT5514_MISC_CTRL_DSP:
 169         case RT5514_DSP_CTRL1:
 170         case RT5514_DSP_CTRL3:
 171         case RT5514_DSP_CTRL4:
 172         case RT5514_VENDOR_ID1:
 173         case RT5514_VENDOR_ID2:
 174                 return true;
 175
 176         default:
 177                 return false;
 178         }
 179 }
 180
 181 static bool rt5514_i2c_readable_register(struct device *dev,
 182         unsigned int reg)
 183 {
 184         switch (reg) {
 185         case RT5514_DSP_MAPPING | RT5514_RESET:
 186         case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
 187         case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
 188         case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
 189         case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
 190         case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
 191         case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
 192         case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
 193         case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
 194         case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
 195         case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
 196         case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
 197         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
 198         case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
 199         case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
 200         case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
 201         case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
 202         case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
 203         case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
 204         case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
 205         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
 206         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
 207         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
 208         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
 209         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
 210         case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
 211         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
 212         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
 213         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
 214         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
 215         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
 216         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
 217         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
 218         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
 219         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
 220         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
 221         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
 222         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
 223         case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
 224         case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
 225         case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
 226         case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
 227         case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
 228         case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
 229         case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
 230         case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
 231                 return true;
 232
 233         default:
 234                 return false;
 235         }
 236 }
 237
 238 /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
 239 static const DECLARE_TLV_DB_RANGE(bst_tlv,
 240         0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
 241         3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
 242         4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
 243         5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
 244         6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
 245         7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
 246         8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
 247 );
 248
 249 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
 250
 251 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
 252         SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
 253                 RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
 254         SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
 255                 RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 127, 0,
 256                 adc_vol_tlv),
 257         SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
 258                 RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 127, 0,
 259                 adc_vol_tlv),
 260 };
 261
 262 /* ADC Mixer*/
 263 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
 264         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
 265                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 266         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
 267                 RT5514_AD_AD_MIX_BIT, 1, 1),
 268 };
 269
 270 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
 271         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
 272                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 273         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
 274                 RT5514_AD_AD_MIX_BIT, 1, 1),
 275 };
 276
 277 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
 278         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
 279                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 280         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
 281                 RT5514_AD_AD_MIX_BIT, 1, 1),
 282 };
 283
 284 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
 285         SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
 286                 RT5514_AD_DMIC_MIX_BIT, 1, 1),
 287         SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
 288                 RT5514_AD_AD_MIX_BIT, 1, 1),
 289 };
 290
 291 /* DMIC Source */
 292 static const char * const rt5514_dmic_src[] = {
 293         "DMIC1", "DMIC2"
 294 };
 295
 296 static const SOC_ENUM_SINGLE_DECL(
 297         rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
 298         RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
 299
 300 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
 301         SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
 302
 303 static const SOC_ENUM_SINGLE_DECL(
 304         rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
 305         RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
 306
 307 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
 308         SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
 309
 310 /**
 311  * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
 312  *
 313  * @rate: base clock rate.
 314  *
 315  * Choose divider parameter that gives the highest possible DMIC frequency in
 316  * 1MHz - 3MHz range.
 317  */
 318 static int rt5514_calc_dmic_clk(struct snd_soc_codec *codec, int rate)
 319 {
 320         int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
 321         int i;
 322
 323         if (rate < 1000000 * div[0]) {
 324                 pr_warn("Base clock rate %d is too low\n", rate);
 325                 return -EINVAL;
 326         }
 327
 328         for (i = 0; i < ARRAY_SIZE(div); i++) {
 329                 /* find divider that gives DMIC frequency below 3.072MHz */
 330                 if (3072000 * div[i] >= rate)
 331                         return i;
 332         }
 333
 334         dev_warn(codec->dev, "Base clock rate %d is too high\n", rate);
 335         return -EINVAL;
 336 }
 337
 338 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
 339         struct snd_kcontrol *kcontrol, int event)
 340 {
 341         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 342         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 343         int idx;
 344
 345         idx = rt5514_calc_dmic_clk(codec, rt5514->sysclk);
 346         if (idx < 0)
 347                 dev_err(codec->dev, "Failed to set DMIC clock\n");
 348         else
 349                 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
 350                         RT5514_CLK_DMIC_OUT_SEL_MASK,
 351                         idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
 352
 353         return idx;
 354 }
 355
 356 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
 357                          struct snd_soc_dapm_widget *sink)
 358 {
 359         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 360         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 361
 362         if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
 363                 return 1;
 364         else
 365                 return 0;
 366 }
 367
 368 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
 369         /* Input Lines */
 370         SND_SOC_DAPM_INPUT("DMIC1L"),
 371         SND_SOC_DAPM_INPUT("DMIC1R"),
 372         SND_SOC_DAPM_INPUT("DMIC2L"),
 373         SND_SOC_DAPM_INPUT("DMIC2R"),
 374
 375         SND_SOC_DAPM_INPUT("AMICL"),
 376         SND_SOC_DAPM_INPUT("AMICR"),
 377
 378         SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
 379         SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
 380
 381         SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0,
 382                 rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
 383
 384         SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
 385                 RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
 386
 387         SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
 388                 RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
 389         SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
 390                 RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
 391         SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
 392                 NULL, 0),
 393         SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
 394                 RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
 395         SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
 396                 RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
 397         SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
 398                 RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
 399         SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
 400                 NULL, 0),
 401         SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
 402                 NULL, 0),
 403         SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
 404                 NULL, 0),
 405         SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
 406
 407
 408         SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
 409                 NULL, 0),
 410         SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
 411                 NULL, 0),
 412         SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
 413                 NULL, 0),
 414         SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
 415                 NULL, 0),
 416         SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
 417                 0, NULL, 0),
 418         SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
 419
 420         SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
 421                 NULL, 0),
 422         SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
 423                 NULL, 0),
 424         SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
 425                 NULL, 0),
 426         SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
 427                 NULL, 0),
 428         SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
 429                 0, NULL, 0),
 430         SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
 431
 432         SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
 433                 RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
 434         SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
 435                 RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
 436         SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
 437                 NULL, 0),
 438
 439         /* ADC Mux */
 440         SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
 441                                 &rt5514_sto1_dmic_mux),
 442         SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
 443                                 &rt5514_sto2_dmic_mux),
 444
 445         /* ADC Mixer */
 446         SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
 447                 RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
 448         SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
 449                 RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
 450
 451         SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
 452                 rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
 453         SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
 454                 rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
 455         SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
 456                 rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
 457         SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
 458                 rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
 459
 460         SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
 461                 RT5514_AD_AD_MUTE_BIT, 1),
 462         SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
 463                 RT5514_AD_AD_MUTE_BIT, 1),
 464         SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
 465                 RT5514_AD_AD_MUTE_BIT, 1),
 466         SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
 467                 RT5514_AD_AD_MUTE_BIT, 1),
 468
 469         /* ADC PGA */
 470         SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
 471         SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
 472
 473         /* Audio Interface */
 474         SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 475 };
 476
 477 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
 478         { "DMIC1", NULL, "DMIC1L" },
 479         { "DMIC1", NULL, "DMIC1R" },
 480         { "DMIC2", NULL, "DMIC2L" },
 481         { "DMIC2", NULL, "DMIC2R" },
 482
 483         { "DMIC1L", NULL, "DMIC CLK" },
 484         { "DMIC1R", NULL, "DMIC CLK" },
 485         { "DMIC2L", NULL, "DMIC CLK" },
 486         { "DMIC2R", NULL, "DMIC CLK" },
 487
 488         { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
 489         { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
 490
 491         { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
 492         { "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
 493         { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
 494         { "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
 495
 496         { "ADC Power", NULL, "LDO18 IN" },
 497         { "ADC Power", NULL, "LDO18 ADC" },
 498         { "ADC Power", NULL, "LDO21" },
 499         { "ADC Power", NULL, "BG LDO18 IN" },
 500         { "ADC Power", NULL, "BG LDO21" },
 501         { "ADC Power", NULL, "BG MBIAS" },
 502         { "ADC Power", NULL, "MBIAS" },
 503         { "ADC Power", NULL, "VREF2" },
 504         { "ADC Power", NULL, "VREF1" },
 505
 506         { "ADCL Power", NULL, "LDO16L" },
 507         { "ADCL Power", NULL, "ADC1L" },
 508         { "ADCL Power", NULL, "BSTL2" },
 509         { "ADCL Power", NULL, "BSTL" },
 510         { "ADCL Power", NULL, "ADCFEDL" },
 511
 512         { "ADCR Power", NULL, "LDO16R" },
 513         { "ADCR Power", NULL, "ADC1R" },
 514         { "ADCR Power", NULL, "BSTR2" },
 515         { "ADCR Power", NULL, "BSTR" },
 516         { "ADCR Power", NULL, "ADCFEDR" },
 517
 518         { "AMICL", NULL, "ADC CLK" },
 519         { "AMICL", NULL, "ADC Power" },
 520         { "AMICL", NULL, "ADCL Power" },
 521         { "AMICR", NULL, "ADC CLK" },
 522         { "AMICR", NULL, "ADC Power" },
 523         { "AMICR", NULL, "ADCR Power" },
 524
 525         { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
 526         { "PLL1", NULL, "PLL1 LDO" },
 527
 528         { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
 529         { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
 530
 531         { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
 532         { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
 533         { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
 534         { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
 535
 536         { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
 537         { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
 538
 539         { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
 540         { "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
 541         { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
 542         { "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
 543
 544         { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
 545         { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
 546
 547         { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
 548         { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
 549         { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
 550         { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
 551
 552         { "AIF1TX", NULL, "Stereo1 ADC MIX"},
 553         { "AIF1TX", NULL, "Stereo2 ADC MIX"},
 554 };
 555
 556 static int rt5514_hw_params(struct snd_pcm_substream *substream,
 557         struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 558 {
 559         struct snd_soc_codec *codec = dai->codec;
 560         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 561         int pre_div, bclk_ms, frame_size;
 562         unsigned int val_len = 0;
 563
 564         rt5514->lrck = params_rate(params);
 565         pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
 566         if (pre_div < 0) {
 567                 dev_err(codec->dev, "Unsupported clock setting\n");
 568                 return -EINVAL;
 569         }
 570
 571         frame_size = snd_soc_params_to_frame_size(params);
 572         if (frame_size < 0) {
 573                 dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size);
 574                 return -EINVAL;
 575         }
 576
 577         bclk_ms = frame_size > 32;
 578         rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
 579
 580         dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
 581                 rt5514->bclk, rt5514->lrck);
 582         dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
 583                                 bclk_ms, pre_div, dai->id);
 584
 585         switch (params_format(params)) {
 586         case SNDRV_PCM_FORMAT_S16_LE:
 587                 break;
 588         case SNDRV_PCM_FORMAT_S20_3LE:
 589                 val_len = RT5514_I2S_DL_20;
 590                 break;
 591         case SNDRV_PCM_FORMAT_S24_LE:
 592                 val_len = RT5514_I2S_DL_24;
 593                 break;
 594         case SNDRV_PCM_FORMAT_S8:
 595                 val_len = RT5514_I2S_DL_8;
 596                 break;
 597         default:
 598                 return -EINVAL;
 599         }
 600
 601         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
 602                 val_len);
 603         regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
 604                 RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
 605                 pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
 606                 pre_div << RT5514_SEL_ADC_OSR_SFT);
 607
 608         return 0;
 609 }
 610
 611 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 612 {
 613         struct snd_soc_codec *codec = dai->codec;
 614         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 615         unsigned int reg_val = 0;
 616
 617         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 618         case SND_SOC_DAIFMT_NB_NF:
 619                 break;
 620
 621         case SND_SOC_DAIFMT_NB_IF:
 622                 reg_val |= RT5514_I2S_LR_INV;
 623                 break;
 624
 625         case SND_SOC_DAIFMT_IB_NF:
 626                 reg_val |= RT5514_I2S_BP_INV;
 627                 break;
 628
 629         case SND_SOC_DAIFMT_IB_IF:
 630                 reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
 631                 break;
 632
 633         default:
 634                 return -EINVAL;
 635         }
 636
 637         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 638         case SND_SOC_DAIFMT_I2S:
 639                 break;
 640
 641         case SND_SOC_DAIFMT_LEFT_J:
 642                 reg_val |= RT5514_I2S_DF_LEFT;
 643                 break;
 644
 645         case SND_SOC_DAIFMT_DSP_A:
 646                 reg_val |= RT5514_I2S_DF_PCM_A;
 647                 break;
 648
 649         case SND_SOC_DAIFMT_DSP_B:
 650                 reg_val |= RT5514_I2S_DF_PCM_B;
 651                 break;
 652
 653         default:
 654                 return -EINVAL;
 655         }
 656
 657         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
 658                 RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
 659                 reg_val);
 660
 661         return 0;
 662 }
 663
 664 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
 665                 int clk_id, unsigned int freq, int dir)
 666 {
 667         struct snd_soc_codec *codec = dai->codec;
 668         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 669         unsigned int reg_val = 0;
 670
 671         if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
 672                 return 0;
 673
 674         switch (clk_id) {
 675         case RT5514_SCLK_S_MCLK:
 676                 reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
 677                 break;
 678
 679         case RT5514_SCLK_S_PLL1:
 680                 reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
 681                 break;
 682
 683         default:
 684                 dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
 685                 return -EINVAL;
 686         }
 687
 688         regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
 689                 RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
 690
 691         rt5514->sysclk = freq;
 692         rt5514->sysclk_src = clk_id;
 693
 694         dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
 695
 696         return 0;
 697 }
 698
 699 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
 700                         unsigned int freq_in, unsigned int freq_out)
 701 {
 702         struct snd_soc_codec *codec = dai->codec;
 703         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 704         struct rl6231_pll_code pll_code;
 705         int ret;
 706
 707         if (!freq_in || !freq_out) {
 708                 dev_dbg(codec->dev, "PLL disabled\n");
 709
 710                 rt5514->pll_in = 0;
 711                 rt5514->pll_out = 0;
 712                 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
 713                         RT5514_CLK_SYS_PRE_SEL_MASK,
 714                         RT5514_CLK_SYS_PRE_SEL_MCLK);
 715
 716                 return 0;
 717         }
 718
 719         if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
 720             freq_out == rt5514->pll_out)
 721                 return 0;
 722
 723         switch (source) {
 724         case RT5514_PLL1_S_MCLK:
 725                 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
 726                         RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
 727                 break;
 728
 729         case RT5514_PLL1_S_BCLK:
 730                 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
 731                         RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
 732                 break;
 733
 734         default:
 735                 dev_err(codec->dev, "Unknown PLL source %d\n", source);
 736                 return -EINVAL;
 737         }
 738
 739         ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
 740         if (ret < 0) {
 741                 dev_err(codec->dev, "Unsupport input clock %d\n", freq_in);
 742                 return ret;
 743         }
 744
 745         dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=%d\n",
 746                 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
 747                 pll_code.n_code, pll_code.k_code);
 748
 749         regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
 750                 pll_code.k_code << RT5514_PLL_K_SFT |
 751                 pll_code.n_code << RT5514_PLL_N_SFT |
 752                 (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
 753         regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
 754                 RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
 755
 756         rt5514->pll_in = freq_in;
 757         rt5514->pll_out = freq_out;
 758         rt5514->pll_src = source;
 759
 760         return 0;
 761 }
 762
 763 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 764                         unsigned int rx_mask, int slots, int slot_width)
 765 {
 766         struct snd_soc_codec *codec = dai->codec;
 767         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 768         unsigned int val = 0;
 769
 770         if (rx_mask || tx_mask)
 771                 val |= RT5514_TDM_MODE;
 772
 773         if (slots == 4)
 774                 val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
 775
 776
 777         switch (slot_width) {
 778         case 20:
 779                 val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
 780                 break;
 781
 782         case 24:
 783                 val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
 784                 break;
 785
 786         case 32:
 787                 val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
 788                 break;
 789
 790         case 16:
 791         default:
 792                 break;
 793         }
 794
 795         regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
 796                 RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
 797                 RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK, val);
 798
 799         return 0;
 800 }
 801
 802 static int rt5514_probe(struct snd_soc_codec *codec)
 803 {
 804         struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
 805
 806         rt5514->codec = codec;
 807
 808         return 0;
 809 }
 810
 811 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
 812 {
 813         struct i2c_client *client = context;
 814         struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
 815
 816         regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
 817
 818         return 0;
 819 }
 820
 821 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
 822 {
 823         struct i2c_client *client = context;
 824         struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
 825
 826         regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
 827
 828         return 0;
 829 }
 830
 831 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
 832 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 833                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 834
 835 struct snd_soc_dai_ops rt5514_aif_dai_ops = {
 836         .hw_params = rt5514_hw_params,
 837         .set_fmt = rt5514_set_dai_fmt,
 838         .set_sysclk = rt5514_set_dai_sysclk,
 839         .set_pll = rt5514_set_dai_pll,
 840         .set_tdm_slot = rt5514_set_tdm_slot,
 841 };
 842
 843 struct snd_soc_dai_driver rt5514_dai[] = {
 844         {
 845                 .name = "rt5514-aif1",
 846                 .id = 0,
 847                 .capture = {
 848                         .stream_name = "AIF1 Capture",
 849                         .channels_min = 1,
 850                         .channels_max = 4,
 851                         .rates = RT5514_STEREO_RATES,
 852                         .formats = RT5514_FORMATS,
 853                 },
 854                 .ops = &rt5514_aif_dai_ops,
 855         }
 856 };
 857
 858 static struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
 859         .probe = rt5514_probe,
 860         .idle_bias_off = true,
 861         .controls = rt5514_snd_controls,
 862         .num_controls = ARRAY_SIZE(rt5514_snd_controls),
 863         .dapm_widgets = rt5514_dapm_widgets,
 864         .num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets),
 865         .dapm_routes = rt5514_dapm_routes,
 866         .num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes),
 867 };
 868
 869 static const struct regmap_config rt5514_i2c_regmap = {
 870         .name = "i2c",
 871         .reg_bits = 32,
 872         .val_bits = 32,
 873
 874         .max_register = RT5514_DSP_MAPPING | RT5514_VENDOR_ID2,
 875         .readable_reg = rt5514_i2c_readable_register,
 876
 877         .cache_type = REGCACHE_NONE,
 878 };
 879
 880 static const struct regmap_config rt5514_regmap = {
 881         .reg_bits = 16,
 882         .val_bits = 32,
 883
 884         .max_register = RT5514_VENDOR_ID2,
 885         .volatile_reg = rt5514_volatile_register,
 886         .readable_reg = rt5514_readable_register,
 887         .reg_read = rt5514_i2c_read,
 888         .reg_write = rt5514_i2c_write,
 889
 890         .cache_type = REGCACHE_RBTREE,
 891         .reg_defaults = rt5514_reg,
 892         .num_reg_defaults = ARRAY_SIZE(rt5514_reg),
 893         .use_single_rw = true,
 894 };
 895
 896 static const struct i2c_device_id rt5514_i2c_id[] = {
 897         { "rt5514", 0 },
 898         { }
 899 };
 900 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
 901
 902 #if defined(CONFIG_OF)
 903 static const struct of_device_id rt5514_of_match[] = {
 904         { .compatible = "realtek,rt5514", },
 905         {},
 906 };
 907 MODULE_DEVICE_TABLE(of, rt5514_of_match);
 908 #endif
 909
 910 static int rt5514_i2c_probe(struct i2c_client *i2c,
 911                     const struct i2c_device_id *id)
 912 {
 913         struct rt5514_priv *rt5514;
 914         int ret;
 915         unsigned int val;
 916
 917         rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
 918                                 GFP_KERNEL);
 919         if (rt5514 == NULL)
 920                 return -ENOMEM;
 921
 922         i2c_set_clientdata(i2c, rt5514);
 923
 924         rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
 925         if (IS_ERR(rt5514->i2c_regmap)) {
 926                 ret = PTR_ERR(rt5514->i2c_regmap);
 927                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
 928                         ret);
 929                 return ret;
 930         }
 931
 932         rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
 933         if (IS_ERR(rt5514->regmap)) {
 934                 ret = PTR_ERR(rt5514->regmap);
 935                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
 936                         ret);
 937                 return ret;
 938         }
 939
 940         regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
 941         if (val != RT5514_DEVICE_ID) {
 942                 dev_err(&i2c->dev,
 943                         "Device with ID register %x is not rt5514\n", val);
 944                 return -ENODEV;
 945         }
 946
 947         ret = regmap_register_patch(rt5514->i2c_regmap, rt5514_i2c_patch,
 948                                     ARRAY_SIZE(rt5514_i2c_patch));
 949         if (ret != 0)
 950                 dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
 951                         ret);
 952
 953         ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
 954                                     ARRAY_SIZE(rt5514_patch));
 955         if (ret != 0)
 956                 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
 957
 958         return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5514,
 959                         rt5514_dai, ARRAY_SIZE(rt5514_dai));
 960 }
 961
 962 static int rt5514_i2c_remove(struct i2c_client *i2c)
 963 {
 964         snd_soc_unregister_codec(&i2c->dev);
 965
 966         return 0;
 967 }
 968
 969 struct i2c_driver rt5514_i2c_driver = {
 970         .driver = {
 971                 .name = "rt5514",
 972                 .of_match_table = of_match_ptr(rt5514_of_match),
 973         },
 974         .probe = rt5514_i2c_probe,
 975         .remove   = rt5514_i2c_remove,
 976         .id_table = rt5514_i2c_id,
 977 };
 978 module_i2c_driver(rt5514_i2c_driver);
 979
 980 MODULE_DESCRIPTION("ASoC RT5514 driver");
 981 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
 982 MODULE_LICENSE("GPL v2");