sound/soc/codecs/adau17x1.c

   1 /*
   2  * Common code for ADAU1X61 and ADAU1X81 codecs
   3  *
   4  * Copyright 2011-2014 Analog Devices Inc.
   5  * Author: Lars-Peter Clausen <lars@metafoo.de>
   6  *
   7  * Licensed under the GPL-2 or later.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/delay.h>
  13 #include <linux/slab.h>
  14 #include <sound/core.h>
  15 #include <sound/pcm.h>
  16 #include <sound/pcm_params.h>
  17 #include <sound/soc.h>
  18 #include <sound/tlv.h>
  19 #include <linux/gcd.h>
  20 #include <linux/i2c.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/regmap.h>
  23
  24 #include "sigmadsp.h"
  25 #include "adau17x1.h"
  26 #include "adau-utils.h"
  27
  28 static const char * const adau17x1_capture_mixer_boost_text[] = {
  29         "Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3",
  30 };
  31
  32 static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum,
  33         ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text);
  34
  35 static const char * const adau17x1_mic_bias_mode_text[] = {
  36         "Normal operation", "High performance",
  37 };
  38
  39 static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum,
  40         ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text);
  41
  42 static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0);
  43
  44 static const struct snd_kcontrol_new adau17x1_controls[] = {
  45         SOC_DOUBLE_R_TLV("Digital Capture Volume",
  46                 ADAU17X1_LEFT_INPUT_DIGITAL_VOL,
  47                 ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,
  48                 0, 0xff, 1, adau17x1_digital_tlv),
  49         SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1,
  50                 ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv),
  51
  52         SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL,
  53                 5, 1, 0),
  54         SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0,
  55                 2, 1, 0),
  56
  57         SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum),
  58
  59         SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum),
  60 };
  61
  62 static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
  63         struct snd_kcontrol *kcontrol, int event)
  64 {
  65         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
  66         struct adau *adau = snd_soc_codec_get_drvdata(codec);
  67         int ret;
  68
  69         if (SND_SOC_DAPM_EVENT_ON(event)) {
  70                 adau->pll_regs[5] = 1;
  71         } else {
  72                 adau->pll_regs[5] = 0;
  73                 /* Bypass the PLL when disabled, otherwise registers will become
  74                  * inaccessible. */
  75                 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
  76                         ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
  77         }
  78
  79         /* The PLL register is 6 bytes long and can only be written at once. */
  80         ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
  81                         adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
  82
  83         if (SND_SOC_DAPM_EVENT_ON(event)) {
  84                 mdelay(5);
  85                 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
  86                         ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
  87                         ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
  88         }
  89
  90         return 0;
  91 }
  92
  93 static const char * const adau17x1_mono_stereo_text[] = {
  94         "Stereo",
  95         "Mono Left Channel (L+R)",
  96         "Mono Right Channel (L+R)",
  97         "Mono (L+R)",
  98 };
  99
 100 static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum,
 101         ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text);
 102
 103 static const struct snd_kcontrol_new adau17x1_dac_mode_mux =
 104         SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum);
 105
 106 static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = {
 107         SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event,
 108                 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 109
 110         SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
 111
 112         SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0),
 113
 114         SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
 115                 0, 0, NULL, 0),
 116         SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
 117                 1, 0, NULL, 0),
 118
 119         SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0,
 120                 &adau17x1_dac_mode_mux),
 121         SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0,
 122                 &adau17x1_dac_mode_mux),
 123
 124         SND_SOC_DAPM_ADC("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0),
 125         SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0),
 126         SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0),
 127         SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0),
 128 };
 129
 130 static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = {
 131         { "Left Decimator", NULL, "SYSCLK" },
 132         { "Right Decimator", NULL, "SYSCLK" },
 133         { "Left DAC", NULL, "SYSCLK" },
 134         { "Right DAC", NULL, "SYSCLK" },
 135         { "Capture", NULL, "SYSCLK" },
 136         { "Playback", NULL, "SYSCLK" },
 137
 138         { "Left DAC", NULL, "Left DAC Mode Mux" },
 139         { "Right DAC", NULL, "Right DAC Mode Mux" },
 140
 141         { "Capture", NULL, "AIFCLK" },
 142         { "Playback", NULL, "AIFCLK" },
 143 };
 144
 145 static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = {
 146         "SYSCLK", NULL, "PLL",
 147 };
 148
 149 /*
 150  * The MUX register for the Capture and Playback MUXs selects either DSP as
 151  * source/destination or one of the TDM slots. The TDM slot is selected via
 152  * snd_soc_dai_set_tdm_slot(), so we only expose whether to go to the DSP or
 153  * directly to the DAI interface with this control.
 154  */
 155 static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol,
 156         struct snd_ctl_elem_value *ucontrol)
 157 {
 158         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 159         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 160         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 161         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 162         struct snd_soc_dapm_update update;
 163         unsigned int stream = e->shift_l;
 164         unsigned int val, change;
 165         int reg;
 166
 167         if (ucontrol->value.enumerated.item[0] >= e->items)
 168                 return -EINVAL;
 169
 170         switch (ucontrol->value.enumerated.item[0]) {
 171         case 0:
 172                 val = 0;
 173                 adau->dsp_bypass[stream] = false;
 174                 break;
 175         default:
 176                 val = (adau->tdm_slot[stream] * 2) + 1;
 177                 adau->dsp_bypass[stream] = true;
 178                 break;
 179         }
 180
 181         if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 182                 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
 183         else
 184                 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
 185
 186         change = snd_soc_test_bits(codec, reg, 0xff, val);
 187         if (change) {
 188                 update.kcontrol = kcontrol;
 189                 update.mask = 0xff;
 190                 update.reg = reg;
 191                 update.val = val;
 192
 193                 snd_soc_dapm_mux_update_power(dapm, kcontrol,
 194                                 ucontrol->value.enumerated.item[0], e, &update);
 195         }
 196
 197         return change;
 198 }
 199
 200 static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
 201         struct snd_ctl_elem_value *ucontrol)
 202 {
 203         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 204         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 205         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 206         unsigned int stream = e->shift_l;
 207         unsigned int reg, val;
 208         int ret;
 209
 210         if (stream == SNDRV_PCM_STREAM_PLAYBACK)
 211                 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
 212         else
 213                 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
 214
 215         ret = regmap_read(adau->regmap, reg, &val);
 216         if (ret)
 217                 return ret;
 218
 219         if (val != 0)
 220                 val = 1;
 221         ucontrol->value.enumerated.item[0] = val;
 222
 223         return 0;
 224 }
 225
 226 #define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \
 227         const struct snd_kcontrol_new _name = \
 228                 SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\
 229                         SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \
 230                                 ARRAY_SIZE(_text), _text), \
 231                         adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put)
 232
 233 static const char * const adau17x1_dac_mux_text[] = {
 234         "DSP",
 235         "AIFIN",
 236 };
 237
 238 static const char * const adau17x1_capture_mux_text[] = {
 239         "DSP",
 240         "Decimator",
 241 };
 242
 243 static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux",
 244         SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text);
 245
 246 static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux",
 247         SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text);
 248
 249 static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = {
 250         SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0),
 251         SND_SOC_DAPM_SIGGEN("DSP Siggen"),
 252
 253         SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0,
 254                 &adau17x1_dac_mux),
 255         SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
 256                 &adau17x1_capture_mux),
 257 };
 258
 259 static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = {
 260         { "DAC Playback Mux", "DSP", "DSP" },
 261         { "DAC Playback Mux", "AIFIN", "Playback" },
 262
 263         { "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" },
 264         { "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
 265         { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" },
 266         { "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" },
 267         { "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
 268         { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" },
 269
 270         { "Capture Mux", "DSP", "DSP" },
 271         { "Capture Mux", "Decimator", "Left Decimator" },
 272         { "Capture Mux", "Decimator", "Right Decimator" },
 273
 274         { "Capture", NULL, "Capture Mux" },
 275
 276         { "DSP", NULL, "DSP Siggen" },
 277
 278         { "DSP", NULL, "Left Decimator" },
 279         { "DSP", NULL, "Right Decimator" },
 280 };
 281
 282 static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = {
 283         { "Left DAC Mode Mux", "Stereo", "Playback" },
 284         { "Left DAC Mode Mux", "Mono (L+R)", "Playback" },
 285         { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" },
 286         { "Right DAC Mode Mux", "Stereo", "Playback" },
 287         { "Right DAC Mode Mux", "Mono (L+R)", "Playback" },
 288         { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" },
 289         { "Capture", NULL, "Left Decimator" },
 290         { "Capture", NULL, "Right Decimator" },
 291 };
 292
 293 bool adau17x1_has_dsp(struct adau *adau)
 294 {
 295         switch (adau->type) {
 296         case ADAU1761:
 297         case ADAU1381:
 298         case ADAU1781:
 299                 return true;
 300         default:
 301                 return false;
 302         }
 303 }
 304 EXPORT_SYMBOL_GPL(adau17x1_has_dsp);
 305
 306 static int adau17x1_hw_params(struct snd_pcm_substream *substream,
 307         struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 308 {
 309         struct snd_soc_codec *codec = dai->codec;
 310         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 311         unsigned int val, div, dsp_div;
 312         unsigned int freq;
 313         int ret;
 314
 315         if (adau->clk_src == ADAU17X1_CLK_SRC_PLL)
 316                 freq = adau->pll_freq;
 317         else
 318                 freq = adau->sysclk;
 319
 320         if (freq % params_rate(params) != 0)
 321                 return -EINVAL;
 322
 323         switch (freq / params_rate(params)) {
 324         case 1024: /* fs */
 325                 div = 0;
 326                 dsp_div = 1;
 327                 break;
 328         case 6144: /* fs / 6 */
 329                 div = 1;
 330                 dsp_div = 6;
 331                 break;
 332         case 4096: /* fs / 4 */
 333                 div = 2;
 334                 dsp_div = 5;
 335                 break;
 336         case 3072: /* fs / 3 */
 337                 div = 3;
 338                 dsp_div = 4;
 339                 break;
 340         case 2048: /* fs / 2 */
 341                 div = 4;
 342                 dsp_div = 3;
 343                 break;
 344         case 1536: /* fs / 1.5 */
 345                 div = 5;
 346                 dsp_div = 2;
 347                 break;
 348         case 512: /* fs / 0.5 */
 349                 div = 6;
 350                 dsp_div = 0;
 351                 break;
 352         default:
 353                 return -EINVAL;
 354         }
 355
 356         regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
 357                 ADAU17X1_CONVERTER0_CONVSR_MASK, div);
 358         if (adau17x1_has_dsp(adau)) {
 359                 regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div);
 360                 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div);
 361         }
 362
 363         if (adau->sigmadsp) {
 364                 ret = adau17x1_setup_firmware(adau, params_rate(params));
 365                 if (ret < 0)
 366                         return ret;
 367         }
 368
 369         if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
 370                 return 0;
 371
 372         switch (params_width(params)) {
 373         case 16:
 374                 val = ADAU17X1_SERIAL_PORT1_DELAY16;
 375                 break;
 376         case 24:
 377                 val = ADAU17X1_SERIAL_PORT1_DELAY8;
 378                 break;
 379         case 32:
 380                 val = ADAU17X1_SERIAL_PORT1_DELAY0;
 381                 break;
 382         default:
 383                 return -EINVAL;
 384         }
 385
 386         return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
 387                         ADAU17X1_SERIAL_PORT1_DELAY_MASK, val);
 388 }
 389
 390 static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
 391         int source, unsigned int freq_in, unsigned int freq_out)
 392 {
 393         struct snd_soc_codec *codec = dai->codec;
 394         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 395         int ret;
 396
 397         if (freq_in < 8000000 || freq_in > 27000000)
 398                 return -EINVAL;
 399
 400         ret = adau_calc_pll_cfg(freq_in, freq_out, adau->pll_regs);
 401         if (ret < 0)
 402                 return ret;
 403
 404         /* The PLL register is 6 bytes long and can only be written at once. */
 405         ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
 406                         adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
 407         if (ret)
 408                 return ret;
 409
 410         adau->pll_freq = freq_out;
 411
 412         return 0;
 413 }
 414
 415 static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
 416                 int clk_id, unsigned int freq, int dir)
 417 {
 418         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(dai->codec);
 419         struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
 420
 421         switch (clk_id) {
 422         case ADAU17X1_CLK_SRC_MCLK:
 423         case ADAU17X1_CLK_SRC_PLL:
 424                 break;
 425         default:
 426                 return -EINVAL;
 427         }
 428
 429         adau->sysclk = freq;
 430
 431         if (adau->clk_src != clk_id) {
 432                 if (clk_id == ADAU17X1_CLK_SRC_PLL) {
 433                         snd_soc_dapm_add_routes(dapm,
 434                                 &adau17x1_dapm_pll_route, 1);
 435                 } else {
 436                         snd_soc_dapm_del_routes(dapm,
 437                                 &adau17x1_dapm_pll_route, 1);
 438                 }
 439         }
 440
 441         adau->clk_src = clk_id;
 442
 443         return 0;
 444 }
 445
 446 static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai,
 447                 unsigned int fmt)
 448 {
 449         struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
 450         unsigned int ctrl0, ctrl1;
 451         int lrclk_pol;
 452
 453         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 454         case SND_SOC_DAIFMT_CBM_CFM:
 455                 ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER;
 456                 adau->master = true;
 457                 break;
 458         case SND_SOC_DAIFMT_CBS_CFS:
 459                 ctrl0 = 0;
 460                 adau->master = false;
 461                 break;
 462         default:
 463                 return -EINVAL;
 464         }
 465
 466         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 467         case SND_SOC_DAIFMT_I2S:
 468                 lrclk_pol = 0;
 469                 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
 470                 break;
 471         case SND_SOC_DAIFMT_LEFT_J:
 472         case SND_SOC_DAIFMT_RIGHT_J:
 473                 lrclk_pol = 1;
 474                 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
 475                 break;
 476         case SND_SOC_DAIFMT_DSP_A:
 477                 lrclk_pol = 1;
 478                 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
 479                 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
 480                 break;
 481         case SND_SOC_DAIFMT_DSP_B:
 482                 lrclk_pol = 1;
 483                 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
 484                 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
 485                 break;
 486         default:
 487                 return -EINVAL;
 488         }
 489
 490         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 491         case SND_SOC_DAIFMT_NB_NF:
 492                 break;
 493         case SND_SOC_DAIFMT_IB_NF:
 494                 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
 495                 break;
 496         case SND_SOC_DAIFMT_NB_IF:
 497                 lrclk_pol = !lrclk_pol;
 498                 break;
 499         case SND_SOC_DAIFMT_IB_IF:
 500                 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
 501                 lrclk_pol = !lrclk_pol;
 502                 break;
 503         default:
 504                 return -EINVAL;
 505         }
 506
 507         if (lrclk_pol)
 508                 ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL;
 509
 510         regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0);
 511         regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT1, ctrl1);
 512
 513         adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
 514
 515         return 0;
 516 }
 517
 518 static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai,
 519         unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
 520 {
 521         struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
 522         unsigned int ser_ctrl0, ser_ctrl1;
 523         unsigned int conv_ctrl0, conv_ctrl1;
 524
 525         /* I2S mode */
 526         if (slots == 0) {
 527                 slots = 2;
 528                 rx_mask = 3;
 529                 tx_mask = 3;
 530                 slot_width = 32;
 531         }
 532
 533         switch (slots) {
 534         case 2:
 535                 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO;
 536                 break;
 537         case 4:
 538                 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4;
 539                 break;
 540         case 8:
 541                 if (adau->type == ADAU1361)
 542                         return -EINVAL;
 543
 544                 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8;
 545                 break;
 546         default:
 547                 return -EINVAL;
 548         }
 549
 550         switch (slot_width * slots) {
 551         case 32:
 552                 if (adau->type == ADAU1761)
 553                         return -EINVAL;
 554
 555                 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32;
 556                 break;
 557         case 64:
 558                 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64;
 559                 break;
 560         case 48:
 561                 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48;
 562                 break;
 563         case 128:
 564                 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128;
 565                 break;
 566         case 256:
 567                 if (adau->type == ADAU1361)
 568                         return -EINVAL;
 569
 570                 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256;
 571                 break;
 572         default:
 573                 return -EINVAL;
 574         }
 575
 576         switch (rx_mask) {
 577         case 0x03:
 578                 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1);
 579                 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0;
 580                 break;
 581         case 0x0c:
 582                 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2);
 583                 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1;
 584                 break;
 585         case 0x30:
 586                 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3);
 587                 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2;
 588                 break;
 589         case 0xc0:
 590                 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4);
 591                 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3;
 592                 break;
 593         default:
 594                 return -EINVAL;
 595         }
 596
 597         switch (tx_mask) {
 598         case 0x03:
 599                 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1);
 600                 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0;
 601                 break;
 602         case 0x0c:
 603                 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2);
 604                 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1;
 605                 break;
 606         case 0x30:
 607                 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3);
 608                 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2;
 609                 break;
 610         case 0xc0:
 611                 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4);
 612                 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3;
 613                 break;
 614         default:
 615                 return -EINVAL;
 616         }
 617
 618         regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
 619                 ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0);
 620         regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1,
 621                 ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1);
 622         regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0,
 623                 ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0);
 624         regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
 625                 ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1);
 626
 627         if (!adau17x1_has_dsp(adau))
 628                 return 0;
 629
 630         if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) {
 631                 regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE,
 632                         (adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1);
 633         }
 634
 635         if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) {
 636                 regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE,
 637                         (adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1);
 638         }
 639
 640         return 0;
 641 }
 642
 643 static int adau17x1_startup(struct snd_pcm_substream *substream,
 644         struct snd_soc_dai *dai)
 645 {
 646         struct adau *adau = snd_soc_codec_get_drvdata(dai->codec);
 647
 648         if (adau->sigmadsp)
 649                 return sigmadsp_restrict_params(adau->sigmadsp, substream);
 650
 651         return 0;
 652 }
 653
 654 const struct snd_soc_dai_ops adau17x1_dai_ops = {
 655         .hw_params      = adau17x1_hw_params,
 656         .set_sysclk     = adau17x1_set_dai_sysclk,
 657         .set_fmt        = adau17x1_set_dai_fmt,
 658         .set_pll        = adau17x1_set_dai_pll,
 659         .set_tdm_slot   = adau17x1_set_dai_tdm_slot,
 660         .startup        = adau17x1_startup,
 661 };
 662 EXPORT_SYMBOL_GPL(adau17x1_dai_ops);
 663
 664 int adau17x1_set_micbias_voltage(struct snd_soc_codec *codec,
 665         enum adau17x1_micbias_voltage micbias)
 666 {
 667         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 668
 669         switch (micbias) {
 670         case ADAU17X1_MICBIAS_0_90_AVDD:
 671         case ADAU17X1_MICBIAS_0_65_AVDD:
 672                 break;
 673         default:
 674                 return -EINVAL;
 675         }
 676
 677         return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2);
 678 }
 679 EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage);
 680
 681 bool adau17x1_precious_register(struct device *dev, unsigned int reg)
 682 {
 683         /* SigmaDSP parameter memory */
 684         if (reg < 0x400)
 685                 return true;
 686
 687         return false;
 688 }
 689 EXPORT_SYMBOL_GPL(adau17x1_precious_register);
 690
 691 bool adau17x1_readable_register(struct device *dev, unsigned int reg)
 692 {
 693         /* SigmaDSP parameter memory */
 694         if (reg < 0x400)
 695                 return true;
 696
 697         switch (reg) {
 698         case ADAU17X1_CLOCK_CONTROL:
 699         case ADAU17X1_PLL_CONTROL:
 700         case ADAU17X1_REC_POWER_MGMT:
 701         case ADAU17X1_MICBIAS:
 702         case ADAU17X1_SERIAL_PORT0:
 703         case ADAU17X1_SERIAL_PORT1:
 704         case ADAU17X1_CONVERTER0:
 705         case ADAU17X1_CONVERTER1:
 706         case ADAU17X1_LEFT_INPUT_DIGITAL_VOL:
 707         case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL:
 708         case ADAU17X1_ADC_CONTROL:
 709         case ADAU17X1_PLAY_POWER_MGMT:
 710         case ADAU17X1_DAC_CONTROL0:
 711         case ADAU17X1_DAC_CONTROL1:
 712         case ADAU17X1_DAC_CONTROL2:
 713         case ADAU17X1_SERIAL_PORT_PAD:
 714         case ADAU17X1_CONTROL_PORT_PAD0:
 715         case ADAU17X1_CONTROL_PORT_PAD1:
 716         case ADAU17X1_DSP_SAMPLING_RATE:
 717         case ADAU17X1_SERIAL_INPUT_ROUTE:
 718         case ADAU17X1_SERIAL_OUTPUT_ROUTE:
 719         case ADAU17X1_DSP_ENABLE:
 720         case ADAU17X1_DSP_RUN:
 721         case ADAU17X1_SERIAL_SAMPLING_RATE:
 722                 return true;
 723         default:
 724                 break;
 725         }
 726         return false;
 727 }
 728 EXPORT_SYMBOL_GPL(adau17x1_readable_register);
 729
 730 bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
 731 {
 732         /* SigmaDSP parameter and program memory */
 733         if (reg < 0x4000)
 734                 return true;
 735
 736         switch (reg) {
 737         /* The PLL register is 6 bytes long */
 738         case ADAU17X1_PLL_CONTROL:
 739         case ADAU17X1_PLL_CONTROL + 1:
 740         case ADAU17X1_PLL_CONTROL + 2:
 741         case ADAU17X1_PLL_CONTROL + 3:
 742         case ADAU17X1_PLL_CONTROL + 4:
 743         case ADAU17X1_PLL_CONTROL + 5:
 744                 return true;
 745         default:
 746                 break;
 747         }
 748
 749         return false;
 750 }
 751 EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
 752
 753 int adau17x1_setup_firmware(struct adau *adau, unsigned int rate)
 754 {
 755         int ret;
 756         int dspsr;
 757
 758         ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
 759         if (ret)
 760                 return ret;
 761
 762         regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
 763         regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
 764
 765         ret = sigmadsp_setup(adau->sigmadsp, rate);
 766         if (ret) {
 767                 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
 768                 return ret;
 769         }
 770         regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
 771
 772         return 0;
 773 }
 774 EXPORT_SYMBOL_GPL(adau17x1_setup_firmware);
 775
 776 int adau17x1_add_widgets(struct snd_soc_codec *codec)
 777 {
 778         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 779         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 780         int ret;
 781
 782         ret = snd_soc_add_codec_controls(codec, adau17x1_controls,
 783                 ARRAY_SIZE(adau17x1_controls));
 784         if (ret)
 785                 return ret;
 786         ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets,
 787                 ARRAY_SIZE(adau17x1_dapm_widgets));
 788         if (ret)
 789                 return ret;
 790
 791         if (adau17x1_has_dsp(adau)) {
 792                 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets,
 793                         ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
 794                 if (ret)
 795                         return ret;
 796
 797                 if (!adau->sigmadsp)
 798                         return 0;
 799
 800                 ret = sigmadsp_attach(adau->sigmadsp, &codec->component);
 801                 if (ret) {
 802                         dev_err(codec->dev, "Failed to attach firmware: %d\n",
 803                                 ret);
 804                         return ret;
 805                 }
 806         }
 807
 808         return 0;
 809 }
 810 EXPORT_SYMBOL_GPL(adau17x1_add_widgets);
 811
 812 int adau17x1_add_routes(struct snd_soc_codec *codec)
 813 {
 814         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 815         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 816         int ret;
 817
 818         ret = snd_soc_dapm_add_routes(dapm, adau17x1_dapm_routes,
 819                 ARRAY_SIZE(adau17x1_dapm_routes));
 820         if (ret)
 821                 return ret;
 822
 823         if (adau17x1_has_dsp(adau)) {
 824                 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dsp_dapm_routes,
 825                         ARRAY_SIZE(adau17x1_dsp_dapm_routes));
 826         } else {
 827                 ret = snd_soc_dapm_add_routes(dapm, adau17x1_no_dsp_dapm_routes,
 828                         ARRAY_SIZE(adau17x1_no_dsp_dapm_routes));
 829         }
 830         return ret;
 831 }
 832 EXPORT_SYMBOL_GPL(adau17x1_add_routes);
 833
 834 int adau17x1_resume(struct snd_soc_codec *codec)
 835 {
 836         struct adau *adau = snd_soc_codec_get_drvdata(codec);
 837
 838         if (adau->switch_mode)
 839                 adau->switch_mode(codec->dev);
 840
 841         regcache_sync(adau->regmap);
 842
 843         return 0;
 844 }
 845 EXPORT_SYMBOL_GPL(adau17x1_resume);
 846
 847 int adau17x1_probe(struct device *dev, struct regmap *regmap,
 848         enum adau17x1_type type, void (*switch_mode)(struct device *dev),
 849         const char *firmware_name)
 850 {
 851         struct adau *adau;
 852
 853         if (IS_ERR(regmap))
 854                 return PTR_ERR(regmap);
 855
 856         adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL);
 857         if (!adau)
 858                 return -ENOMEM;
 859
 860         adau->regmap = regmap;
 861         adau->switch_mode = switch_mode;
 862         adau->type = type;
 863
 864         dev_set_drvdata(dev, adau);
 865
 866         if (firmware_name) {
 867                 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap, NULL,
 868                         firmware_name);
 869                 if (IS_ERR(adau->sigmadsp)) {
 870                         dev_warn(dev, "Could not find firmware file: %ld\n",
 871                                 PTR_ERR(adau->sigmadsp));
 872                         adau->sigmadsp = NULL;
 873                 }
 874         }
 875
 876         if (switch_mode)
 877                 switch_mode(dev);
 878
 879         return 0;
 880 }
 881 EXPORT_SYMBOL_GPL(adau17x1_probe);
 882
 883 MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code");
 884 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 885 MODULE_LICENSE("GPL");