sound/soc/codecs/adav80x.c

   1 /*
   2  * ADAV80X Audio Codec driver supporting ADAV801, ADAV803
   3  *
   4  * Copyright 2011 Analog Devices Inc.
   5  * Author: Yi Li <yi.li@analog.com>
   6  * Author: Lars-Peter Clausen <lars@metafoo.de>
   7  *
   8  * Licensed under the GPL-2 or later.
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/kernel.h>
  13 #include <linux/regmap.h>
  14 #include <linux/slab.h>
  15
  16 #include <sound/pcm.h>
  17 #include <sound/pcm_params.h>
  18 #include <sound/soc.h>
  19 #include <sound/tlv.h>
  20
  21 #include "adav80x.h"
  22
  23 #define ADAV80X_PLAYBACK_CTRL   0x04
  24 #define ADAV80X_AUX_IN_CTRL     0x05
  25 #define ADAV80X_REC_CTRL        0x06
  26 #define ADAV80X_AUX_OUT_CTRL    0x07
  27 #define ADAV80X_DPATH_CTRL1     0x62
  28 #define ADAV80X_DPATH_CTRL2     0x63
  29 #define ADAV80X_DAC_CTRL1       0x64
  30 #define ADAV80X_DAC_CTRL2       0x65
  31 #define ADAV80X_DAC_CTRL3       0x66
  32 #define ADAV80X_DAC_L_VOL       0x68
  33 #define ADAV80X_DAC_R_VOL       0x69
  34 #define ADAV80X_PGA_L_VOL       0x6c
  35 #define ADAV80X_PGA_R_VOL       0x6d
  36 #define ADAV80X_ADC_CTRL1       0x6e
  37 #define ADAV80X_ADC_CTRL2       0x6f
  38 #define ADAV80X_ADC_L_VOL       0x70
  39 #define ADAV80X_ADC_R_VOL       0x71
  40 #define ADAV80X_PLL_CTRL1       0x74
  41 #define ADAV80X_PLL_CTRL2       0x75
  42 #define ADAV80X_ICLK_CTRL1      0x76
  43 #define ADAV80X_ICLK_CTRL2      0x77
  44 #define ADAV80X_PLL_CLK_SRC     0x78
  45 #define ADAV80X_PLL_OUTE        0x7a
  46
  47 #define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll)        0x00
  48 #define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll)      (0x40 << (pll))
  49 #define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll)       (0x40 << (pll))
  50
  51 #define ADAV80X_ICLK_CTRL1_DAC_SRC(src)         ((src) << 5)
  52 #define ADAV80X_ICLK_CTRL1_ADC_SRC(src)         ((src) << 2)
  53 #define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src)       (src)
  54 #define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src)       ((src) << 3)
  55
  56 #define ADAV80X_PLL_CTRL1_PLLDIV                0x10
  57 #define ADAV80X_PLL_CTRL1_PLLPD(pll)            (0x04 << (pll))
  58 #define ADAV80X_PLL_CTRL1_XTLPD                 0x02
  59
  60 #define ADAV80X_PLL_CTRL2_FIELD(pll, x)         ((x) << ((pll) * 4))
  61
  62 #define ADAV80X_PLL_CTRL2_FS_48(pll)    ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
  63 #define ADAV80X_PLL_CTRL2_FS_32(pll)    ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
  64 #define ADAV80X_PLL_CTRL2_FS_44(pll)    ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)
  65
  66 #define ADAV80X_PLL_CTRL2_SEL(pll)      ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
  67 #define ADAV80X_PLL_CTRL2_DOUB(pll)     ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
  68 #define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)
  69
  70 #define ADAV80X_ADC_CTRL1_MODULATOR_MASK        0x80
  71 #define ADAV80X_ADC_CTRL1_MODULATOR_128FS       0x00
  72 #define ADAV80X_ADC_CTRL1_MODULATOR_64FS        0x80
  73
  74 #define ADAV80X_DAC_CTRL1_PD                    0x80
  75
  76 #define ADAV80X_DAC_CTRL2_DIV1                  0x00
  77 #define ADAV80X_DAC_CTRL2_DIV1_5                0x10
  78 #define ADAV80X_DAC_CTRL2_DIV2                  0x20
  79 #define ADAV80X_DAC_CTRL2_DIV3                  0x30
  80 #define ADAV80X_DAC_CTRL2_DIV_MASK              0x30
  81
  82 #define ADAV80X_DAC_CTRL2_INTERPOL_256FS        0x00
  83 #define ADAV80X_DAC_CTRL2_INTERPOL_128FS        0x40
  84 #define ADAV80X_DAC_CTRL2_INTERPOL_64FS         0x80
  85 #define ADAV80X_DAC_CTRL2_INTERPOL_MASK         0xc0
  86
  87 #define ADAV80X_DAC_CTRL2_DEEMPH_NONE           0x00
  88 #define ADAV80X_DAC_CTRL2_DEEMPH_44             0x01
  89 #define ADAV80X_DAC_CTRL2_DEEMPH_32             0x02
  90 #define ADAV80X_DAC_CTRL2_DEEMPH_48             0x03
  91 #define ADAV80X_DAC_CTRL2_DEEMPH_MASK           0x01
  92
  93 #define ADAV80X_CAPTURE_MODE_MASTER             0x20
  94 #define ADAV80X_CAPTURE_WORD_LEN24              0x00
  95 #define ADAV80X_CAPTURE_WORD_LEN20              0x04
  96 #define ADAV80X_CAPTRUE_WORD_LEN18              0x08
  97 #define ADAV80X_CAPTURE_WORD_LEN16              0x0c
  98 #define ADAV80X_CAPTURE_WORD_LEN_MASK           0x0c
  99
 100 #define ADAV80X_CAPTURE_MODE_LEFT_J             0x00
 101 #define ADAV80X_CAPTURE_MODE_I2S                0x01
 102 #define ADAV80X_CAPTURE_MODE_RIGHT_J            0x03
 103 #define ADAV80X_CAPTURE_MODE_MASK               0x03
 104
 105 #define ADAV80X_PLAYBACK_MODE_MASTER            0x10
 106 #define ADAV80X_PLAYBACK_MODE_LEFT_J            0x00
 107 #define ADAV80X_PLAYBACK_MODE_I2S               0x01
 108 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_24        0x04
 109 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_20        0x05
 110 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_18        0x06
 111 #define ADAV80X_PLAYBACK_MODE_RIGHT_J_16        0x07
 112 #define ADAV80X_PLAYBACK_MODE_MASK              0x07
 113
 114 #define ADAV80X_PLL_OUTE_SYSCLKPD(x)            BIT(2 - (x))
 115
 116 static const struct reg_default adav80x_reg_defaults[] = {
 117         { ADAV80X_PLAYBACK_CTRL,        0x01 },
 118         { ADAV80X_AUX_IN_CTRL,          0x01 },
 119         { ADAV80X_REC_CTRL,             0x02 },
 120         { ADAV80X_AUX_OUT_CTRL,         0x01 },
 121         { ADAV80X_DPATH_CTRL1,          0xc0 },
 122         { ADAV80X_DPATH_CTRL2,          0x11 },
 123         { ADAV80X_DAC_CTRL1,            0x00 },
 124         { ADAV80X_DAC_CTRL2,            0x00 },
 125         { ADAV80X_DAC_CTRL3,            0x00 },
 126         { ADAV80X_DAC_L_VOL,            0xff },
 127         { ADAV80X_DAC_R_VOL,            0xff },
 128         { ADAV80X_PGA_L_VOL,            0x00 },
 129         { ADAV80X_PGA_R_VOL,            0x00 },
 130         { ADAV80X_ADC_CTRL1,            0x00 },
 131         { ADAV80X_ADC_CTRL2,            0x00 },
 132         { ADAV80X_ADC_L_VOL,            0xff },
 133         { ADAV80X_ADC_R_VOL,            0xff },
 134         { ADAV80X_PLL_CTRL1,            0x00 },
 135         { ADAV80X_PLL_CTRL2,            0x00 },
 136         { ADAV80X_ICLK_CTRL1,           0x00 },
 137         { ADAV80X_ICLK_CTRL2,           0x00 },
 138         { ADAV80X_PLL_CLK_SRC,          0x00 },
 139         { ADAV80X_PLL_OUTE,             0x00 },
 140 };
 141
 142 struct adav80x {
 143         struct regmap *regmap;
 144
 145         enum adav80x_clk_src clk_src;
 146         unsigned int sysclk;
 147         enum adav80x_pll_src pll_src;
 148
 149         unsigned int dai_fmt[2];
 150         unsigned int rate;
 151         bool deemph;
 152         bool sysclk_pd[3];
 153 };
 154
 155 static const char *adav80x_mux_text[] = {
 156         "ADC",
 157         "Playback",
 158         "Aux Playback",
 159 };
 160
 161 static const unsigned int adav80x_mux_values[] = {
 162         0, 2, 3,
 163 };
 164
 165 #define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
 166         SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
 167                 ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
 168                 adav80x_mux_values)
 169
 170 static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
 171 static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
 172 static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
 173
 174 static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
 175         SOC_DAPM_ENUM("Route", adav80x_aux_capture_enum);
 176 static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
 177         SOC_DAPM_ENUM("Route", adav80x_capture_enum);
 178 static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
 179         SOC_DAPM_ENUM("Route", adav80x_dac_enum);
 180
 181 #define ADAV80X_MUX(name, ctrl) \
 182         SND_SOC_DAPM_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
 183
 184 static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
 185         SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
 186         SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),
 187
 188         SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
 189         SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),
 190
 191         SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
 192         SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
 193
 194         SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
 195         SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),
 196
 197         ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
 198         ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
 199         ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),
 200
 201         SND_SOC_DAPM_INPUT("VINR"),
 202         SND_SOC_DAPM_INPUT("VINL"),
 203         SND_SOC_DAPM_OUTPUT("VOUTR"),
 204         SND_SOC_DAPM_OUTPUT("VOUTL"),
 205
 206         SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
 207         SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
 208         SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
 209         SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
 210 };
 211
 212 static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
 213                          struct snd_soc_dapm_widget *sink)
 214 {
 215         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 216         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 217         const char *clk;
 218
 219         switch (adav80x->clk_src) {
 220         case ADAV80X_CLK_PLL1:
 221                 clk = "PLL1";
 222                 break;
 223         case ADAV80X_CLK_PLL2:
 224                 clk = "PLL2";
 225                 break;
 226         case ADAV80X_CLK_XTAL:
 227                 clk = "OSC";
 228                 break;
 229         default:
 230                 return 0;
 231         }
 232
 233         return strcmp(source->name, clk) == 0;
 234 }
 235
 236 static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
 237                          struct snd_soc_dapm_widget *sink)
 238 {
 239         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 240         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 241
 242         return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
 243 }
 244
 245
 246 static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
 247         { "DAC Select", "ADC", "ADC" },
 248         { "DAC Select", "Playback", "AIFIN" },
 249         { "DAC Select", "Aux Playback", "AIFAUXIN" },
 250         { "DAC", NULL,  "DAC Select" },
 251
 252         { "Capture Select", "ADC", "ADC" },
 253         { "Capture Select", "Playback", "AIFIN" },
 254         { "Capture Select", "Aux Playback", "AIFAUXIN" },
 255         { "AIFOUT", NULL,  "Capture Select" },
 256
 257         { "Aux Capture Select", "ADC", "ADC" },
 258         { "Aux Capture Select", "Playback", "AIFIN" },
 259         { "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
 260         { "AIFAUXOUT", NULL,  "Aux Capture Select" },
 261
 262         { "VOUTR",  NULL, "DAC" },
 263         { "VOUTL",  NULL, "DAC" },
 264
 265         { "Left PGA", NULL, "VINL" },
 266         { "Right PGA", NULL, "VINR" },
 267         { "ADC", NULL, "Left PGA" },
 268         { "ADC", NULL, "Right PGA" },
 269
 270         { "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
 271         { "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
 272         { "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
 273         { "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
 274         { "PLL2", NULL, "OSC", adav80x_dapm_pll_check },
 275
 276         { "ADC", NULL, "SYSCLK" },
 277         { "DAC", NULL, "SYSCLK" },
 278         { "AIFOUT", NULL, "SYSCLK" },
 279         { "AIFAUXOUT", NULL, "SYSCLK" },
 280         { "AIFIN", NULL, "SYSCLK" },
 281         { "AIFAUXIN", NULL, "SYSCLK" },
 282 };
 283
 284 static int adav80x_set_deemph(struct snd_soc_codec *codec)
 285 {
 286         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 287         unsigned int val;
 288
 289         if (adav80x->deemph) {
 290                 switch (adav80x->rate) {
 291                 case 32000:
 292                         val = ADAV80X_DAC_CTRL2_DEEMPH_32;
 293                         break;
 294                 case 44100:
 295                         val = ADAV80X_DAC_CTRL2_DEEMPH_44;
 296                         break;
 297                 case 48000:
 298                 case 64000:
 299                 case 88200:
 300                 case 96000:
 301                         val = ADAV80X_DAC_CTRL2_DEEMPH_48;
 302                         break;
 303                 default:
 304                         val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
 305                         break;
 306                 }
 307         } else {
 308                 val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
 309         }
 310
 311         return regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
 312                 ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
 313 }
 314
 315 static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
 316                 struct snd_ctl_elem_value *ucontrol)
 317 {
 318         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 319         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 320         unsigned int deemph = ucontrol->value.integer.value[0];
 321
 322         if (deemph > 1)
 323                 return -EINVAL;
 324
 325         adav80x->deemph = deemph;
 326
 327         return adav80x_set_deemph(codec);
 328 }
 329
 330 static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
 331                                 struct snd_ctl_elem_value *ucontrol)
 332 {
 333         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 334         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 335
 336         ucontrol->value.integer.value[0] = adav80x->deemph;
 337         return 0;
 338 };
 339
 340 static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
 341 static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
 342
 343 static const struct snd_kcontrol_new adav80x_controls[] = {
 344         SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
 345                 ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
 346         SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
 347                         ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
 348
 349         SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
 350                         ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),
 351
 352         SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
 353         SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),
 354
 355         SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),
 356
 357         SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
 358                         adav80x_get_deemph, adav80x_put_deemph),
 359 };
 360
 361 static unsigned int adav80x_port_ctrl_regs[2][2] = {
 362         { ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
 363         { ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
 364 };
 365
 366 static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 367 {
 368         struct snd_soc_codec *codec = dai->codec;
 369         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 370         unsigned int capture = 0x00;
 371         unsigned int playback = 0x00;
 372
 373         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 374         case SND_SOC_DAIFMT_CBM_CFM:
 375                 capture |= ADAV80X_CAPTURE_MODE_MASTER;
 376                 playback |= ADAV80X_PLAYBACK_MODE_MASTER;
 377         case SND_SOC_DAIFMT_CBS_CFS:
 378                 break;
 379         default:
 380                 return -EINVAL;
 381         }
 382
 383         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 384         case SND_SOC_DAIFMT_I2S:
 385                 capture |= ADAV80X_CAPTURE_MODE_I2S;
 386                 playback |= ADAV80X_PLAYBACK_MODE_I2S;
 387                 break;
 388         case SND_SOC_DAIFMT_LEFT_J:
 389                 capture |= ADAV80X_CAPTURE_MODE_LEFT_J;
 390                 playback |= ADAV80X_PLAYBACK_MODE_LEFT_J;
 391                 break;
 392         case SND_SOC_DAIFMT_RIGHT_J:
 393                 capture |= ADAV80X_CAPTURE_MODE_RIGHT_J;
 394                 playback |= ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
 395                 break;
 396         default:
 397                 return -EINVAL;
 398         }
 399
 400         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 401         case SND_SOC_DAIFMT_NB_NF:
 402                 break;
 403         default:
 404                 return -EINVAL;
 405         }
 406
 407         regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
 408                 ADAV80X_CAPTURE_MODE_MASK | ADAV80X_CAPTURE_MODE_MASTER,
 409                 capture);
 410         regmap_write(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
 411                 playback);
 412
 413         adav80x->dai_fmt[dai->id] = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
 414
 415         return 0;
 416 }
 417
 418 static int adav80x_set_adc_clock(struct snd_soc_codec *codec,
 419                 unsigned int sample_rate)
 420 {
 421         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 422         unsigned int val;
 423
 424         if (sample_rate <= 48000)
 425                 val = ADAV80X_ADC_CTRL1_MODULATOR_128FS;
 426         else
 427                 val = ADAV80X_ADC_CTRL1_MODULATOR_64FS;
 428
 429         regmap_update_bits(adav80x->regmap, ADAV80X_ADC_CTRL1,
 430                 ADAV80X_ADC_CTRL1_MODULATOR_MASK, val);
 431
 432         return 0;
 433 }
 434
 435 static int adav80x_set_dac_clock(struct snd_soc_codec *codec,
 436                 unsigned int sample_rate)
 437 {
 438         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 439         unsigned int val;
 440
 441         if (sample_rate <= 48000)
 442                 val = ADAV80X_DAC_CTRL2_DIV1 | ADAV80X_DAC_CTRL2_INTERPOL_256FS;
 443         else
 444                 val = ADAV80X_DAC_CTRL2_DIV2 | ADAV80X_DAC_CTRL2_INTERPOL_128FS;
 445
 446         regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
 447                 ADAV80X_DAC_CTRL2_DIV_MASK | ADAV80X_DAC_CTRL2_INTERPOL_MASK,
 448                 val);
 449
 450         return 0;
 451 }
 452
 453 static int adav80x_set_capture_pcm_format(struct snd_soc_codec *codec,
 454                 struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
 455 {
 456         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 457         unsigned int val;
 458
 459         switch (params_width(params)) {
 460         case 16:
 461                 val = ADAV80X_CAPTURE_WORD_LEN16;
 462                 break;
 463         case 18:
 464                 val = ADAV80X_CAPTRUE_WORD_LEN18;
 465                 break;
 466         case 20:
 467                 val = ADAV80X_CAPTURE_WORD_LEN20;
 468                 break;
 469         case 24:
 470                 val = ADAV80X_CAPTURE_WORD_LEN24;
 471                 break;
 472         default:
 473                 return -EINVAL;
 474         }
 475
 476         regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
 477                 ADAV80X_CAPTURE_WORD_LEN_MASK, val);
 478
 479         return 0;
 480 }
 481
 482 static int adav80x_set_playback_pcm_format(struct snd_soc_codec *codec,
 483                 struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
 484 {
 485         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 486         unsigned int val;
 487
 488         if (adav80x->dai_fmt[dai->id] != SND_SOC_DAIFMT_RIGHT_J)
 489                 return 0;
 490
 491         switch (params_width(params)) {
 492         case 16:
 493                 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_16;
 494                 break;
 495         case 18:
 496                 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_18;
 497                 break;
 498         case 20:
 499                 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_20;
 500                 break;
 501         case 24:
 502                 val = ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
 503                 break;
 504         default:
 505                 return -EINVAL;
 506         }
 507
 508         regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
 509                 ADAV80X_PLAYBACK_MODE_MASK, val);
 510
 511         return 0;
 512 }
 513
 514 static int adav80x_hw_params(struct snd_pcm_substream *substream,
 515                 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 516 {
 517         struct snd_soc_codec *codec = dai->codec;
 518         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 519         unsigned int rate = params_rate(params);
 520
 521         if (rate * 256 != adav80x->sysclk)
 522                 return -EINVAL;
 523
 524         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 525                 adav80x_set_playback_pcm_format(codec, dai, params);
 526                 adav80x_set_dac_clock(codec, rate);
 527         } else {
 528                 adav80x_set_capture_pcm_format(codec, dai, params);
 529                 adav80x_set_adc_clock(codec, rate);
 530         }
 531         adav80x->rate = rate;
 532         adav80x_set_deemph(codec);
 533
 534         return 0;
 535 }
 536
 537 static int adav80x_set_sysclk(struct snd_soc_codec *codec,
 538                               int clk_id, int source,
 539                               unsigned int freq, int dir)
 540 {
 541         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 542         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 543
 544         if (dir == SND_SOC_CLOCK_IN) {
 545                 switch (clk_id) {
 546                 case ADAV80X_CLK_XIN:
 547                 case ADAV80X_CLK_XTAL:
 548                 case ADAV80X_CLK_MCLKI:
 549                 case ADAV80X_CLK_PLL1:
 550                 case ADAV80X_CLK_PLL2:
 551                         break;
 552                 default:
 553                         return -EINVAL;
 554                 }
 555
 556                 adav80x->sysclk = freq;
 557
 558                 if (adav80x->clk_src != clk_id) {
 559                         unsigned int iclk_ctrl1, iclk_ctrl2;
 560
 561                         adav80x->clk_src = clk_id;
 562                         if (clk_id == ADAV80X_CLK_XTAL)
 563                                 clk_id = ADAV80X_CLK_XIN;
 564
 565                         iclk_ctrl1 = ADAV80X_ICLK_CTRL1_DAC_SRC(clk_id) |
 566                                         ADAV80X_ICLK_CTRL1_ADC_SRC(clk_id) |
 567                                         ADAV80X_ICLK_CTRL1_ICLK2_SRC(clk_id);
 568                         iclk_ctrl2 = ADAV80X_ICLK_CTRL2_ICLK1_SRC(clk_id);
 569
 570                         regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL1,
 571                                 iclk_ctrl1);
 572                         regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL2,
 573                                 iclk_ctrl2);
 574
 575                         snd_soc_dapm_sync(dapm);
 576                 }
 577         } else {
 578                 unsigned int mask;
 579
 580                 switch (clk_id) {
 581                 case ADAV80X_CLK_SYSCLK1:
 582                 case ADAV80X_CLK_SYSCLK2:
 583                 case ADAV80X_CLK_SYSCLK3:
 584                         break;
 585                 default:
 586                         return -EINVAL;
 587                 }
 588
 589                 clk_id -= ADAV80X_CLK_SYSCLK1;
 590                 mask = ADAV80X_PLL_OUTE_SYSCLKPD(clk_id);
 591
 592                 if (freq == 0) {
 593                         regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
 594                                 mask, mask);
 595                         adav80x->sysclk_pd[clk_id] = true;
 596                 } else {
 597                         regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
 598                                 mask, 0);
 599                         adav80x->sysclk_pd[clk_id] = false;
 600                 }
 601
 602                 snd_soc_dapm_mutex_lock(dapm);
 603
 604                 if (adav80x->sysclk_pd[0])
 605                         snd_soc_dapm_disable_pin_unlocked(dapm, "PLL1");
 606                 else
 607                         snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL1");
 608
 609                 if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
 610                         snd_soc_dapm_disable_pin_unlocked(dapm, "PLL2");
 611                 else
 612                         snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL2");
 613
 614                 snd_soc_dapm_sync_unlocked(dapm);
 615
 616                 snd_soc_dapm_mutex_unlock(dapm);
 617         }
 618
 619         return 0;
 620 }
 621
 622 static int adav80x_set_pll(struct snd_soc_codec *codec, int pll_id,
 623                 int source, unsigned int freq_in, unsigned int freq_out)
 624 {
 625         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 626         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 627         unsigned int pll_ctrl1 = 0;
 628         unsigned int pll_ctrl2 = 0;
 629         unsigned int pll_src;
 630
 631         switch (source) {
 632         case ADAV80X_PLL_SRC_XTAL:
 633         case ADAV80X_PLL_SRC_XIN:
 634         case ADAV80X_PLL_SRC_MCLKI:
 635                 break;
 636         default:
 637                 return -EINVAL;
 638         }
 639
 640         if (!freq_out)
 641                 return 0;
 642
 643         switch (freq_in) {
 644         case 27000000:
 645                 break;
 646         case 54000000:
 647                 if (source == ADAV80X_PLL_SRC_XIN) {
 648                         pll_ctrl1 |= ADAV80X_PLL_CTRL1_PLLDIV;
 649                         break;
 650                 }
 651         default:
 652                 return -EINVAL;
 653         }
 654
 655         if (freq_out > 12288000) {
 656                 pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
 657                 freq_out /= 2;
 658         }
 659
 660         /* freq_out = sample_rate * 256 */
 661         switch (freq_out) {
 662         case 8192000:
 663                 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
 664                 break;
 665         case 11289600:
 666                 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
 667                 break;
 668         case 12288000:
 669                 pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
 670                 break;
 671         default:
 672                 return -EINVAL;
 673         }
 674
 675         regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL1,
 676                         ADAV80X_PLL_CTRL1_PLLDIV, pll_ctrl1);
 677         regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL2,
 678                         ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);
 679
 680         if (source != adav80x->pll_src) {
 681                 if (source == ADAV80X_PLL_SRC_MCLKI)
 682                         pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
 683                 else
 684                         pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);
 685
 686                 regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CLK_SRC,
 687                                 ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);
 688
 689                 adav80x->pll_src = source;
 690
 691                 snd_soc_dapm_sync(dapm);
 692         }
 693
 694         return 0;
 695 }
 696
 697 static int adav80x_set_bias_level(struct snd_soc_codec *codec,
 698                 enum snd_soc_bias_level level)
 699 {
 700         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 701         unsigned int mask = ADAV80X_DAC_CTRL1_PD;
 702
 703         switch (level) {
 704         case SND_SOC_BIAS_ON:
 705                 break;
 706         case SND_SOC_BIAS_PREPARE:
 707                 break;
 708         case SND_SOC_BIAS_STANDBY:
 709                 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
 710                         0x00);
 711                 break;
 712         case SND_SOC_BIAS_OFF:
 713                 regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
 714                         mask);
 715                 break;
 716         }
 717
 718         return 0;
 719 }
 720
 721 /* Enforce the same sample rate on all audio interfaces */
 722 static int adav80x_dai_startup(struct snd_pcm_substream *substream,
 723         struct snd_soc_dai *dai)
 724 {
 725         struct snd_soc_codec *codec = dai->codec;
 726         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 727
 728         if (!snd_soc_codec_is_active(codec) || !adav80x->rate)
 729                 return 0;
 730
 731         return snd_pcm_hw_constraint_single(substream->runtime,
 732                         SNDRV_PCM_HW_PARAM_RATE, adav80x->rate);
 733 }
 734
 735 static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
 736                 struct snd_soc_dai *dai)
 737 {
 738         struct snd_soc_codec *codec = dai->codec;
 739         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 740
 741         if (!snd_soc_codec_is_active(codec))
 742                 adav80x->rate = 0;
 743 }
 744
 745 static const struct snd_soc_dai_ops adav80x_dai_ops = {
 746         .set_fmt = adav80x_set_dai_fmt,
 747         .hw_params = adav80x_hw_params,
 748         .startup = adav80x_dai_startup,
 749         .shutdown = adav80x_dai_shutdown,
 750 };
 751
 752 #define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
 753         SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
 754         SNDRV_PCM_RATE_96000)
 755
 756 #define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
 757
 758 #define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
 759         SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
 760
 761 static struct snd_soc_dai_driver adav80x_dais[] = {
 762         {
 763                 .name = "adav80x-hifi",
 764                 .id = 0,
 765                 .playback = {
 766                         .stream_name = "HiFi Playback",
 767                         .channels_min = 2,
 768                         .channels_max = 2,
 769                         .rates = ADAV80X_PLAYBACK_RATES,
 770                         .formats = ADAV80X_FORMATS,
 771         },
 772                 .capture = {
 773                         .stream_name = "HiFi Capture",
 774                         .channels_min = 2,
 775                         .channels_max = 2,
 776                         .rates = ADAV80X_CAPTURE_RATES,
 777                         .formats = ADAV80X_FORMATS,
 778                 },
 779                 .ops = &adav80x_dai_ops,
 780         },
 781         {
 782                 .name = "adav80x-aux",
 783                 .id = 1,
 784                 .playback = {
 785                         .stream_name = "Aux Playback",
 786                         .channels_min = 2,
 787                         .channels_max = 2,
 788                         .rates = ADAV80X_PLAYBACK_RATES,
 789                         .formats = ADAV80X_FORMATS,
 790                 },
 791                 .capture = {
 792                         .stream_name = "Aux Capture",
 793                         .channels_min = 2,
 794                         .channels_max = 2,
 795                         .rates = ADAV80X_CAPTURE_RATES,
 796                         .formats = ADAV80X_FORMATS,
 797                 },
 798                 .ops = &adav80x_dai_ops,
 799         },
 800 };
 801
 802 static int adav80x_probe(struct snd_soc_codec *codec)
 803 {
 804         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 805         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 806
 807         /* Force PLLs on for SYSCLK output */
 808         snd_soc_dapm_force_enable_pin(dapm, "PLL1");
 809         snd_soc_dapm_force_enable_pin(dapm, "PLL2");
 810
 811         /* Power down S/PDIF receiver, since it is currently not supported */
 812         regmap_write(adav80x->regmap, ADAV80X_PLL_OUTE, 0x20);
 813         /* Disable DAC zero flag */
 814         regmap_write(adav80x->regmap, ADAV80X_DAC_CTRL3, 0x6);
 815
 816         return 0;
 817 }
 818
 819 static int adav80x_resume(struct snd_soc_codec *codec)
 820 {
 821         struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
 822
 823         regcache_sync(adav80x->regmap);
 824
 825         return 0;
 826 }
 827
 828 static struct snd_soc_codec_driver adav80x_codec_driver = {
 829         .probe = adav80x_probe,
 830         .resume = adav80x_resume,
 831         .set_bias_level = adav80x_set_bias_level,
 832         .suspend_bias_off = true,
 833
 834         .set_pll = adav80x_set_pll,
 835         .set_sysclk = adav80x_set_sysclk,
 836
 837         .component_driver = {
 838                 .controls               = adav80x_controls,
 839                 .num_controls           = ARRAY_SIZE(adav80x_controls),
 840                 .dapm_widgets           = adav80x_dapm_widgets,
 841                 .num_dapm_widgets       = ARRAY_SIZE(adav80x_dapm_widgets),
 842                 .dapm_routes            = adav80x_dapm_routes,
 843                 .num_dapm_routes        = ARRAY_SIZE(adav80x_dapm_routes),
 844         },
 845 };
 846
 847 int adav80x_bus_probe(struct device *dev, struct regmap *regmap)
 848 {
 849         struct adav80x *adav80x;
 850
 851         if (IS_ERR(regmap))
 852                 return PTR_ERR(regmap);
 853
 854         adav80x = devm_kzalloc(dev, sizeof(*adav80x), GFP_KERNEL);
 855         if (!adav80x)
 856                 return -ENOMEM;
 857
 858         dev_set_drvdata(dev, adav80x);
 859         adav80x->regmap = regmap;
 860
 861         return snd_soc_register_codec(dev, &adav80x_codec_driver,
 862                 adav80x_dais, ARRAY_SIZE(adav80x_dais));
 863 }
 864 EXPORT_SYMBOL_GPL(adav80x_bus_probe);
 865
 866 const struct regmap_config adav80x_regmap_config = {
 867         .val_bits = 8,
 868         .pad_bits = 1,
 869         .reg_bits = 7,
 870
 871         .max_register = ADAV80X_PLL_OUTE,
 872
 873         .cache_type = REGCACHE_RBTREE,
 874         .reg_defaults = adav80x_reg_defaults,
 875         .num_reg_defaults = ARRAY_SIZE(adav80x_reg_defaults),
 876 };
 877 EXPORT_SYMBOL_GPL(adav80x_regmap_config);
 878
 879 MODULE_DESCRIPTION("ASoC ADAV80x driver");
 880 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 881 MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
 882 MODULE_LICENSE("GPL");