sound/soc/codecs/da7210.c

   1 /*
   2  * DA7210 ALSA Soc codec driver
   3  *
   4  * Copyright (c) 2009 Dialog Semiconductor
   5  * Written by David Chen <Dajun.chen@diasemi.com>
   6  *
   7  * Copyright (C) 2009 Renesas Solutions Corp.
   8  * Cleanups by Kuninori Morimoto <morimoto.kuninori@renesas.com>
   9  *
  10  * Tested on SuperH Ecovec24 board with S16/S24 LE in 48KHz using I2S
  11  *
  12  * This program is free software; you can redistribute  it and/or modify it
  13  * under  the terms of  the GNU General  Public License as published by the
  14  * Free Software Foundation;  either version 2 of the  License, or (at your
  15  * option) any later version.
  16  */
  17
  18 #include <linux/delay.h>
  19 #include <linux/i2c.h>
  20 #include <linux/slab.h>
  21 #include <linux/module.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/soc.h>
  25 #include <sound/initval.h>
  26 #include <sound/tlv.h>
  27
  28 /* DA7210 register space */
  29 #define DA7210_CONTROL                  0x01
  30 #define DA7210_STATUS                   0x02
  31 #define DA7210_STARTUP1                 0x03
  32 #define DA7210_STARTUP2                 0x04
  33 #define DA7210_STARTUP3                 0x05
  34 #define DA7210_MIC_L                    0x07
  35 #define DA7210_MIC_R                    0x08
  36 #define DA7210_AUX1_L                   0x09
  37 #define DA7210_AUX1_R                   0x0A
  38 #define DA7210_AUX2                     0x0B
  39 #define DA7210_IN_GAIN                  0x0C
  40 #define DA7210_INMIX_L                  0x0D
  41 #define DA7210_INMIX_R                  0x0E
  42 #define DA7210_ADC_HPF                  0x0F
  43 #define DA7210_ADC                      0x10
  44 #define DA7210_ADC_EQ1_2                0X11
  45 #define DA7210_ADC_EQ3_4                0x12
  46 #define DA7210_ADC_EQ5                  0x13
  47 #define DA7210_DAC_HPF                  0x14
  48 #define DA7210_DAC_L                    0x15
  49 #define DA7210_DAC_R                    0x16
  50 #define DA7210_DAC_SEL                  0x17
  51 #define DA7210_SOFTMUTE                 0x18
  52 #define DA7210_DAC_EQ1_2                0x19
  53 #define DA7210_DAC_EQ3_4                0x1A
  54 #define DA7210_DAC_EQ5                  0x1B
  55 #define DA7210_OUTMIX_L                 0x1C
  56 #define DA7210_OUTMIX_R                 0x1D
  57 #define DA7210_OUT1_L                   0x1E
  58 #define DA7210_OUT1_R                   0x1F
  59 #define DA7210_OUT2                     0x20
  60 #define DA7210_HP_L_VOL                 0x21
  61 #define DA7210_HP_R_VOL                 0x22
  62 #define DA7210_HP_CFG                   0x23
  63 #define DA7210_ZERO_CROSS               0x24
  64 #define DA7210_DAI_SRC_SEL              0x25
  65 #define DA7210_DAI_CFG1                 0x26
  66 #define DA7210_DAI_CFG3                 0x28
  67 #define DA7210_PLL_DIV1                 0x29
  68 #define DA7210_PLL_DIV2                 0x2A
  69 #define DA7210_PLL_DIV3                 0x2B
  70 #define DA7210_PLL                      0x2C
  71 #define DA7210_ALC_MAX                  0x83
  72 #define DA7210_ALC_MIN                  0x84
  73 #define DA7210_ALC_NOIS                 0x85
  74 #define DA7210_ALC_ATT                  0x86
  75 #define DA7210_ALC_REL                  0x87
  76 #define DA7210_ALC_DEL                  0x88
  77 #define DA7210_A_HID_UNLOCK             0x8A
  78 #define DA7210_A_TEST_UNLOCK            0x8B
  79 #define DA7210_A_PLL1                   0x90
  80 #define DA7210_A_CP_MODE                0xA7
  81
  82 /* STARTUP1 bit fields */
  83 #define DA7210_SC_MST_EN                (1 << 0)
  84
  85 /* MIC_L bit fields */
  86 #define DA7210_MICBIAS_EN               (1 << 6)
  87 #define DA7210_MIC_L_EN                 (1 << 7)
  88
  89 /* MIC_R bit fields */
  90 #define DA7210_MIC_R_EN                 (1 << 7)
  91
  92 /* INMIX_L bit fields */
  93 #define DA7210_IN_L_EN                  (1 << 7)
  94
  95 /* INMIX_R bit fields */
  96 #define DA7210_IN_R_EN                  (1 << 7)
  97
  98 /* ADC bit fields */
  99 #define DA7210_ADC_ALC_EN               (1 << 0)
 100 #define DA7210_ADC_L_EN                 (1 << 3)
 101 #define DA7210_ADC_R_EN                 (1 << 7)
 102
 103 /* DAC/ADC HPF fields */
 104 #define DA7210_VOICE_F0_MASK            (0x7 << 4)
 105 #define DA7210_VOICE_F0_25              (1 << 4)
 106 #define DA7210_VOICE_EN                 (1 << 7)
 107
 108 /* DAC_SEL bit fields */
 109 #define DA7210_DAC_L_SRC_DAI_L          (4 << 0)
 110 #define DA7210_DAC_L_EN                 (1 << 3)
 111 #define DA7210_DAC_R_SRC_DAI_R          (5 << 4)
 112 #define DA7210_DAC_R_EN                 (1 << 7)
 113
 114 /* OUTMIX_L bit fields */
 115 #define DA7210_OUT_L_EN                 (1 << 7)
 116
 117 /* OUTMIX_R bit fields */
 118 #define DA7210_OUT_R_EN                 (1 << 7)
 119
 120 /* HP_CFG bit fields */
 121 #define DA7210_HP_2CAP_MODE             (1 << 1)
 122 #define DA7210_HP_SENSE_EN              (1 << 2)
 123 #define DA7210_HP_L_EN                  (1 << 3)
 124 #define DA7210_HP_MODE                  (1 << 6)
 125 #define DA7210_HP_R_EN                  (1 << 7)
 126
 127 /* DAI_SRC_SEL bit fields */
 128 #define DA7210_DAI_OUT_L_SRC            (6 << 0)
 129 #define DA7210_DAI_OUT_R_SRC            (7 << 4)
 130
 131 /* DAI_CFG1 bit fields */
 132 #define DA7210_DAI_WORD_S16_LE          (0 << 0)
 133 #define DA7210_DAI_WORD_S20_3LE         (1 << 0)
 134 #define DA7210_DAI_WORD_S24_LE          (2 << 0)
 135 #define DA7210_DAI_WORD_S32_LE          (3 << 0)
 136 #define DA7210_DAI_FLEN_64BIT           (1 << 2)
 137 #define DA7210_DAI_MODE_SLAVE           (0 << 7)
 138 #define DA7210_DAI_MODE_MASTER          (1 << 7)
 139
 140 /* DAI_CFG3 bit fields */
 141 #define DA7210_DAI_FORMAT_I2SMODE       (0 << 0)
 142 #define DA7210_DAI_FORMAT_LEFT_J        (1 << 0)
 143 #define DA7210_DAI_FORMAT_RIGHT_J       (2 << 0)
 144 #define DA7210_DAI_OE                   (1 << 3)
 145 #define DA7210_DAI_EN                   (1 << 7)
 146
 147 /*PLL_DIV3 bit fields */
 148 #define DA7210_MCLK_RANGE_10_20_MHZ     (1 << 4)
 149 #define DA7210_PLL_BYP                  (1 << 6)
 150
 151 /* PLL bit fields */
 152 #define DA7210_PLL_FS_MASK              (0xF << 0)
 153 #define DA7210_PLL_FS_8000              (0x1 << 0)
 154 #define DA7210_PLL_FS_11025             (0x2 << 0)
 155 #define DA7210_PLL_FS_12000             (0x3 << 0)
 156 #define DA7210_PLL_FS_16000             (0x5 << 0)
 157 #define DA7210_PLL_FS_22050             (0x6 << 0)
 158 #define DA7210_PLL_FS_24000             (0x7 << 0)
 159 #define DA7210_PLL_FS_32000             (0x9 << 0)
 160 #define DA7210_PLL_FS_44100             (0xA << 0)
 161 #define DA7210_PLL_FS_48000             (0xB << 0)
 162 #define DA7210_PLL_FS_88200             (0xE << 0)
 163 #define DA7210_PLL_FS_96000             (0xF << 0)
 164 #define DA7210_PLL_EN                   (0x1 << 7)
 165
 166 /* SOFTMUTE bit fields */
 167 #define DA7210_RAMP_EN                  (1 << 6)
 168
 169 /* CONTROL bit fields */
 170 #define DA7210_NOISE_SUP_EN             (1 << 3)
 171
 172 /* IN_GAIN bit fields */
 173 #define DA7210_INPGA_L_VOL              (0x0F << 0)
 174 #define DA7210_INPGA_R_VOL              (0xF0 << 0)
 175
 176 /* ZERO_CROSS bit fields */
 177 #define DA7210_AUX1_L_ZC                (1 << 0)
 178 #define DA7210_AUX1_R_ZC                (1 << 1)
 179 #define DA7210_HP_L_ZC                  (1 << 6)
 180 #define DA7210_HP_R_ZC                  (1 << 7)
 181
 182 /* AUX1_L bit fields */
 183 #define DA7210_AUX1_L_VOL               (0x3F << 0)
 184
 185 /* AUX1_R bit fields */
 186 #define DA7210_AUX1_R_VOL               (0x3F << 0)
 187
 188 /* Minimum INPGA and AUX1 volume to enable noise suppression */
 189 #define DA7210_INPGA_MIN_VOL_NS         0x0A  /* 10.5dB */
 190 #define DA7210_AUX1_MIN_VOL_NS          0x35  /* 6dB */
 191
 192 /* OUT1_L bit fields */
 193 #define DA7210_OUT1_L_EN                (1 << 7)
 194
 195 /* OUT1_R bit fields */
 196 #define DA7210_OUT1_R_EN                (1 << 7)
 197
 198 /* OUT2 bit fields */
 199 #define DA7210_OUT2_OUTMIX_R            (1 << 5)
 200 #define DA7210_OUT2_OUTMIX_L            (1 << 6)
 201 #define DA7210_OUT2_EN                  (1 << 7)
 202
 203 #define DA7210_VERSION "0.0.1"
 204
 205 /*
 206  * Playback Volume
 207  *
 208  * max          : 0x3F (+15.0 dB)
 209  *                 (1.5 dB step)
 210  * min          : 0x11 (-54.0 dB)
 211  * mute         : 0x10
 212  * reserved     : 0x00 - 0x0F
 213  *
 214  * Reserved area are considered as "mute".
 215  */
 216 static const unsigned int hp_out_tlv[] = {
 217         TLV_DB_RANGE_HEAD(2),
 218         0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 219         /* -54 dB to +15 dB */
 220         0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0),
 221 };
 222
 223 static const unsigned int lineout_vol_tlv[] = {
 224         TLV_DB_RANGE_HEAD(2),
 225         0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 226         /* -54dB to 15dB */
 227         0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
 228 };
 229
 230 static const unsigned int mono_vol_tlv[] = {
 231         TLV_DB_RANGE_HEAD(2),
 232         0x0, 0x2, TLV_DB_SCALE_ITEM(-1800, 0, 1),
 233         /* -18dB to 6dB */
 234         0x3, 0x7, TLV_DB_SCALE_ITEM(-1800, 600, 0)
 235 };
 236
 237 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
 238 static const DECLARE_TLV_DB_SCALE(adc_eq_master_gain_tlv, -1800, 600, 1);
 239 static const DECLARE_TLV_DB_SCALE(dac_gain_tlv, -7725, 75, 0);
 240
 241 /* ADC and DAC high pass filter f0 value */
 242 static const char * const da7210_hpf_cutoff_txt[] = {
 243         "Fs/8192*pi", "Fs/4096*pi", "Fs/2048*pi", "Fs/1024*pi"
 244 };
 245
 246 static const struct soc_enum da7210_dac_hpf_cutoff =
 247         SOC_ENUM_SINGLE(DA7210_DAC_HPF, 0, 4, da7210_hpf_cutoff_txt);
 248
 249 static const struct soc_enum da7210_adc_hpf_cutoff =
 250         SOC_ENUM_SINGLE(DA7210_ADC_HPF, 0, 4, da7210_hpf_cutoff_txt);
 251
 252 /* ADC and DAC voice (8kHz) high pass cutoff value */
 253 static const char * const da7210_vf_cutoff_txt[] = {
 254         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 255 };
 256
 257 static const struct soc_enum da7210_dac_vf_cutoff =
 258         SOC_ENUM_SINGLE(DA7210_DAC_HPF, 4, 8, da7210_vf_cutoff_txt);
 259
 260 static const struct soc_enum da7210_adc_vf_cutoff =
 261         SOC_ENUM_SINGLE(DA7210_ADC_HPF, 4, 8, da7210_vf_cutoff_txt);
 262
 263 static const char *da7210_hp_mode_txt[] = {
 264         "Class H", "Class G"
 265 };
 266
 267 static const struct soc_enum da7210_hp_mode_sel =
 268         SOC_ENUM_SINGLE(DA7210_HP_CFG, 0, 2, da7210_hp_mode_txt);
 269
 270 /* ALC can be enabled only if noise suppression is disabled */
 271 static int da7210_put_alc_sw(struct snd_kcontrol *kcontrol,
 272                              struct snd_ctl_elem_value *ucontrol)
 273 {
 274         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 275
 276         if (ucontrol->value.integer.value[0]) {
 277                 /* Check if noise suppression is enabled */
 278                 if (snd_soc_read(codec, DA7210_CONTROL) & DA7210_NOISE_SUP_EN) {
 279                         dev_dbg(codec->dev,
 280                                 "Disable noise suppression to enable ALC\n");
 281                         return -EINVAL;
 282                 }
 283         }
 284         /* If all conditions are met or we are actually disabling ALC */
 285         return snd_soc_put_volsw(kcontrol, ucontrol);
 286 }
 287
 288 /* Noise suppression can be enabled only if following conditions are met
 289  *  ALC disabled
 290  *  ZC enabled for HP and AUX1 PGA
 291  *  INPGA_L_VOL and INPGA_R_VOL >= 10.5 dB
 292  *  AUX1_L_VOL and AUX1_R_VOL >= 6 dB
 293  */
 294 static int da7210_put_noise_sup_sw(struct snd_kcontrol *kcontrol,
 295                                    struct snd_ctl_elem_value *ucontrol)
 296 {
 297         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 298         u8 val;
 299
 300         if (ucontrol->value.integer.value[0]) {
 301                 /* Check if ALC is enabled */
 302                 if (snd_soc_read(codec, DA7210_ADC) & DA7210_ADC_ALC_EN)
 303                         goto err;
 304
 305                 /* Check ZC for HP and AUX1 PGA */
 306                 if ((snd_soc_read(codec, DA7210_ZERO_CROSS) &
 307                         (DA7210_AUX1_L_ZC | DA7210_AUX1_R_ZC | DA7210_HP_L_ZC |
 308                         DA7210_HP_R_ZC)) != (DA7210_AUX1_L_ZC |
 309                         DA7210_AUX1_R_ZC | DA7210_HP_L_ZC | DA7210_HP_R_ZC))
 310                         goto err;
 311
 312                 /* Check INPGA_L_VOL and INPGA_R_VOL */
 313                 val = snd_soc_read(codec, DA7210_IN_GAIN);
 314                 if (((val & DA7210_INPGA_L_VOL) < DA7210_INPGA_MIN_VOL_NS) ||
 315                         (((val & DA7210_INPGA_R_VOL) >> 4) <
 316                         DA7210_INPGA_MIN_VOL_NS))
 317                         goto err;
 318
 319                 /* Check AUX1_L_VOL and AUX1_R_VOL */
 320                 if (((snd_soc_read(codec, DA7210_AUX1_L) & DA7210_AUX1_L_VOL) <
 321                     DA7210_AUX1_MIN_VOL_NS) ||
 322                     ((snd_soc_read(codec, DA7210_AUX1_R) & DA7210_AUX1_R_VOL) <
 323                     DA7210_AUX1_MIN_VOL_NS))
 324                         goto err;
 325         }
 326         /* If all conditions are met or we are actually disabling Noise sup */
 327         return snd_soc_put_volsw(kcontrol, ucontrol);
 328
 329 err:
 330         return -EINVAL;
 331 }
 332
 333 static const struct snd_kcontrol_new da7210_snd_controls[] = {
 334
 335         SOC_DOUBLE_R_TLV("HeadPhone Playback Volume",
 336                          DA7210_HP_L_VOL, DA7210_HP_R_VOL,
 337                          0, 0x3F, 0, hp_out_tlv),
 338         SOC_DOUBLE_R_TLV("Digital Playback Volume",
 339                          DA7210_DAC_L, DA7210_DAC_R,
 340                          0, 0x77, 1, dac_gain_tlv),
 341         SOC_DOUBLE_R_TLV("Lineout Playback Volume",
 342                          DA7210_OUT1_L, DA7210_OUT1_R,
 343                          0, 0x3f, 0, lineout_vol_tlv),
 344         SOC_SINGLE_TLV("Mono Playback Volume", DA7210_OUT2, 0, 0x7, 0,
 345                        mono_vol_tlv),
 346
 347         /* DAC Equalizer  controls */
 348         SOC_SINGLE("DAC EQ Switch", DA7210_DAC_EQ5, 7, 1, 0),
 349         SOC_SINGLE_TLV("DAC EQ1 Volume", DA7210_DAC_EQ1_2, 0, 0xf, 1,
 350                        eq_gain_tlv),
 351         SOC_SINGLE_TLV("DAC EQ2 Volume", DA7210_DAC_EQ1_2, 4, 0xf, 1,
 352                        eq_gain_tlv),
 353         SOC_SINGLE_TLV("DAC EQ3 Volume", DA7210_DAC_EQ3_4, 0, 0xf, 1,
 354                        eq_gain_tlv),
 355         SOC_SINGLE_TLV("DAC EQ4 Volume", DA7210_DAC_EQ3_4, 4, 0xf, 1,
 356                        eq_gain_tlv),
 357         SOC_SINGLE_TLV("DAC EQ5 Volume", DA7210_DAC_EQ5, 0, 0xf, 1,
 358                        eq_gain_tlv),
 359
 360         /* ADC Equalizer  controls */
 361         SOC_SINGLE("ADC EQ Switch", DA7210_ADC_EQ5, 7, 1, 0),
 362         SOC_SINGLE_TLV("ADC EQ Master Volume", DA7210_ADC_EQ5, 4, 0x3,
 363                        1, adc_eq_master_gain_tlv),
 364         SOC_SINGLE_TLV("ADC EQ1 Volume", DA7210_ADC_EQ1_2, 0, 0xf, 1,
 365                        eq_gain_tlv),
 366         SOC_SINGLE_TLV("ADC EQ2 Volume", DA7210_ADC_EQ1_2, 4, 0xf, 1,
 367                        eq_gain_tlv),
 368         SOC_SINGLE_TLV("ADC EQ3 Volume", DA7210_ADC_EQ3_4, 0, 0xf, 1,
 369                        eq_gain_tlv),
 370         SOC_SINGLE_TLV("ADC EQ4 Volume", DA7210_ADC_EQ3_4, 4, 0xf, 1,
 371                        eq_gain_tlv),
 372         SOC_SINGLE_TLV("ADC EQ5 Volume", DA7210_ADC_EQ5, 0, 0xf, 1,
 373                        eq_gain_tlv),
 374
 375         SOC_SINGLE("DAC HPF Switch", DA7210_DAC_HPF, 3, 1, 0),
 376         SOC_ENUM("DAC HPF Cutoff", da7210_dac_hpf_cutoff),
 377         SOC_SINGLE("DAC Voice Mode Switch", DA7210_DAC_HPF, 7, 1, 0),
 378         SOC_ENUM("DAC Voice Cutoff", da7210_dac_vf_cutoff),
 379
 380         SOC_SINGLE("ADC HPF Switch", DA7210_ADC_HPF, 3, 1, 0),
 381         SOC_ENUM("ADC HPF Cutoff", da7210_adc_hpf_cutoff),
 382         SOC_SINGLE("ADC Voice Mode Switch", DA7210_ADC_HPF, 7, 1, 0),
 383         SOC_ENUM("ADC Voice Cutoff", da7210_adc_vf_cutoff),
 384
 385         /* Mute controls */
 386         SOC_DOUBLE_R("Mic Capture Switch", DA7210_MIC_L, DA7210_MIC_R, 3, 1, 0),
 387         SOC_SINGLE("Aux2 Capture Switch", DA7210_AUX2, 2, 1, 0),
 388         SOC_DOUBLE("ADC Capture Switch", DA7210_ADC, 2, 6, 1, 0),
 389         SOC_SINGLE("Digital Soft Mute Switch", DA7210_SOFTMUTE, 7, 1, 0),
 390         SOC_SINGLE("Digital Soft Mute Rate", DA7210_SOFTMUTE, 0, 0x7, 0),
 391
 392         /* Zero cross controls */
 393         SOC_DOUBLE("Aux1 ZC Switch", DA7210_ZERO_CROSS, 0, 1, 1, 0),
 394         SOC_DOUBLE("In PGA ZC Switch", DA7210_ZERO_CROSS, 2, 3, 1, 0),
 395         SOC_DOUBLE("Lineout ZC Switch", DA7210_ZERO_CROSS, 4, 5, 1, 0),
 396         SOC_DOUBLE("Headphone ZC Switch", DA7210_ZERO_CROSS, 6, 7, 1, 0),
 397
 398         SOC_ENUM("Headphone Class", da7210_hp_mode_sel),
 399
 400         /* ALC controls */
 401         SOC_SINGLE_EXT("ALC Enable Switch", DA7210_ADC, 0, 1, 0,
 402                        snd_soc_get_volsw, da7210_put_alc_sw),
 403         SOC_SINGLE("ALC Capture Max Volume", DA7210_ALC_MAX, 0, 0x3F, 0),
 404         SOC_SINGLE("ALC Capture Min Volume", DA7210_ALC_MIN, 0, 0x3F, 0),
 405         SOC_SINGLE("ALC Capture Noise Volume", DA7210_ALC_NOIS, 0, 0x3F, 0),
 406         SOC_SINGLE("ALC Capture Attack Rate", DA7210_ALC_ATT, 0, 0xFF, 0),
 407         SOC_SINGLE("ALC Capture Release Rate", DA7210_ALC_REL, 0, 0xFF, 0),
 408         SOC_SINGLE("ALC Capture Release Delay", DA7210_ALC_DEL, 0, 0xFF, 0),
 409
 410         SOC_SINGLE_EXT("Noise Suppression Enable Switch", DA7210_CONTROL, 3, 1,
 411                        0, snd_soc_get_volsw, da7210_put_noise_sup_sw),
 412 };
 413
 414 /*
 415  * DAPM Controls
 416  *
 417  * Current DAPM implementation covers almost all codec components e.g. IOs,
 418  * mixers, PGAs,ADC and DAC.
 419  */
 420 /* In Mixer Left */
 421 static const struct snd_kcontrol_new da7210_dapm_inmixl_controls[] = {
 422         SOC_DAPM_SINGLE("Mic Left Switch", DA7210_INMIX_L, 0, 1, 0),
 423         SOC_DAPM_SINGLE("Mic Right Switch", DA7210_INMIX_L, 1, 1, 0),
 424 };
 425
 426 /* In Mixer Right */
 427 static const struct snd_kcontrol_new da7210_dapm_inmixr_controls[] = {
 428         SOC_DAPM_SINGLE("Mic Right Switch", DA7210_INMIX_R, 0, 1, 0),
 429         SOC_DAPM_SINGLE("Mic Left Switch", DA7210_INMIX_R, 1, 1, 0),
 430 };
 431
 432 /* Out Mixer Left */
 433 static const struct snd_kcontrol_new da7210_dapm_outmixl_controls[] = {
 434         SOC_DAPM_SINGLE("DAC Left Switch", DA7210_OUTMIX_L, 4, 1, 0),
 435 };
 436
 437 /* Out Mixer Right */
 438 static const struct snd_kcontrol_new da7210_dapm_outmixr_controls[] = {
 439         SOC_DAPM_SINGLE("DAC Right Switch", DA7210_OUTMIX_R, 4, 1, 0),
 440 };
 441
 442 /* Mono Mixer */
 443 static const struct snd_kcontrol_new da7210_dapm_monomix_controls[] = {
 444         SOC_DAPM_SINGLE("Outmix Right Switch", DA7210_OUT2, 5, 1, 0),
 445         SOC_DAPM_SINGLE("Outmix Left Switch", DA7210_OUT2, 6, 1, 0),
 446 };
 447
 448 /* DAPM widgets */
 449 static const struct snd_soc_dapm_widget da7210_dapm_widgets[] = {
 450         /* Input Side */
 451         /* Input Lines */
 452         SND_SOC_DAPM_INPUT("MICL"),
 453         SND_SOC_DAPM_INPUT("MICR"),
 454
 455         /* Input PGAs */
 456         SND_SOC_DAPM_PGA("Mic Left", DA7210_STARTUP3, 0, 1, NULL, 0),
 457         SND_SOC_DAPM_PGA("Mic Right", DA7210_STARTUP3, 1, 1, NULL, 0),
 458
 459         SND_SOC_DAPM_PGA("INPGA Left", DA7210_INMIX_L, 7, 0, NULL, 0),
 460         SND_SOC_DAPM_PGA("INPGA Right", DA7210_INMIX_R, 7, 0, NULL, 0),
 461
 462         /* Input Mixers */
 463         SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
 464                 &da7210_dapm_inmixl_controls[0],
 465                 ARRAY_SIZE(da7210_dapm_inmixl_controls)),
 466
 467         SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
 468                 &da7210_dapm_inmixr_controls[0],
 469                 ARRAY_SIZE(da7210_dapm_inmixr_controls)),
 470
 471         /* ADCs */
 472         SND_SOC_DAPM_ADC("ADC Left", "Capture", DA7210_STARTUP3, 5, 1),
 473         SND_SOC_DAPM_ADC("ADC Right", "Capture", DA7210_STARTUP3, 6, 1),
 474
 475         /* Output Side */
 476         /* DACs */
 477         SND_SOC_DAPM_DAC("DAC Left", "Playback", DA7210_STARTUP2, 5, 1),
 478         SND_SOC_DAPM_DAC("DAC Right", "Playback", DA7210_STARTUP2, 6, 1),
 479
 480         /* Output Mixers */
 481         SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
 482                 &da7210_dapm_outmixl_controls[0],
 483                 ARRAY_SIZE(da7210_dapm_outmixl_controls)),
 484
 485         SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
 486                 &da7210_dapm_outmixr_controls[0],
 487                 ARRAY_SIZE(da7210_dapm_outmixr_controls)),
 488
 489         SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0,
 490                 &da7210_dapm_monomix_controls[0],
 491                 ARRAY_SIZE(da7210_dapm_monomix_controls)),
 492
 493         /* Output PGAs */
 494         SND_SOC_DAPM_PGA("OUTPGA Left Enable", DA7210_OUTMIX_L, 7, 0, NULL, 0),
 495         SND_SOC_DAPM_PGA("OUTPGA Right Enable", DA7210_OUTMIX_R, 7, 0, NULL, 0),
 496
 497         SND_SOC_DAPM_PGA("Out1 Left", DA7210_STARTUP2, 0, 1, NULL, 0),
 498         SND_SOC_DAPM_PGA("Out1 Right", DA7210_STARTUP2, 1, 1, NULL, 0),
 499         SND_SOC_DAPM_PGA("Out2 Mono", DA7210_STARTUP2, 2, 1, NULL, 0),
 500         SND_SOC_DAPM_PGA("Headphone Left", DA7210_STARTUP2, 3, 1, NULL, 0),
 501         SND_SOC_DAPM_PGA("Headphone Right", DA7210_STARTUP2, 4, 1, NULL, 0),
 502
 503         /* Output Lines */
 504         SND_SOC_DAPM_OUTPUT("OUT1L"),
 505         SND_SOC_DAPM_OUTPUT("OUT1R"),
 506         SND_SOC_DAPM_OUTPUT("HPL"),
 507         SND_SOC_DAPM_OUTPUT("HPR"),
 508         SND_SOC_DAPM_OUTPUT("OUT2"),
 509 };
 510
 511 /* DAPM audio route definition */
 512 static const struct snd_soc_dapm_route da7210_audio_map[] = {
 513         /* Dest       Connecting Widget    source */
 514         /* Input path */
 515         {"Mic Left", NULL, "MICL"},
 516         {"Mic Right", NULL, "MICR"},
 517
 518         {"In Mixer Left", "Mic Left Switch", "Mic Left"},
 519         {"In Mixer Left", "Mic Right Switch", "Mic Right"},
 520
 521         {"In Mixer Right", "Mic Right Switch", "Mic Right"},
 522         {"In Mixer Right", "Mic Left Switch", "Mic Left"},
 523
 524         {"INPGA Left", NULL, "In Mixer Left"},
 525         {"ADC Left", NULL, "INPGA Left"},
 526
 527         {"INPGA Right", NULL, "In Mixer Right"},
 528         {"ADC Right", NULL, "INPGA Right"},
 529
 530         /* Output path */
 531         {"Out Mixer Left", "DAC Left Switch", "DAC Left"},
 532         {"Out Mixer Right", "DAC Right Switch", "DAC Right"},
 533
 534         {"Mono Mixer", "Outmix Right Switch", "Out Mixer Right"},
 535         {"Mono Mixer", "Outmix Left Switch", "Out Mixer Left"},
 536
 537         {"OUTPGA Left Enable", NULL, "Out Mixer Left"},
 538         {"OUTPGA Right Enable", NULL, "Out Mixer Right"},
 539
 540         {"Out1 Left", NULL, "OUTPGA Left Enable"},
 541         {"OUT1L", NULL, "Out1 Left"},
 542
 543         {"Out1 Right", NULL, "OUTPGA Right Enable"},
 544         {"OUT1R", NULL, "Out1 Right"},
 545
 546         {"Headphone Left", NULL, "OUTPGA Left Enable"},
 547         {"HPL", NULL, "Headphone Left"},
 548
 549         {"Headphone Right", NULL, "OUTPGA Right Enable"},
 550         {"HPR", NULL, "Headphone Right"},
 551
 552         {"Out2 Mono", NULL, "Mono Mixer"},
 553         {"OUT2", NULL, "Out2 Mono"},
 554 };
 555
 556 /* Codec private data */
 557 struct da7210_priv {
 558         enum snd_soc_control_type control_type;
 559 };
 560
 561 /*
 562  * Register cache
 563  */
 564 static const u8 da7210_reg[] = {
 565         0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R0  - R7  */
 566         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, /* R8  - RF  */
 567         0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54, /* R10 - R17 */
 568         0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R18 - R1F */
 569         0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00, /* R20 - R27 */
 570         0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00, /* R28 - R2F */
 571         0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, /* R30 - R37 */
 572         0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, /* R38 - R3F */
 573         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R40 - R4F */
 574         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R48 - R4F */
 575         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R50 - R57 */
 576         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R58 - R5F */
 577         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R60 - R67 */
 578         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R68 - R6F */
 579         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R70 - R77 */
 580         0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00, /* R78 - R7F */
 581         0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00, /* R80 - R87 */
 582         0x00,                                           /* R88       */
 583 };
 584
 585 static int da7210_volatile_register(struct snd_soc_codec *codec,
 586                                     unsigned int reg)
 587 {
 588         switch (reg) {
 589         case DA7210_STATUS:
 590                 return 1;
 591         default:
 592                 return 0;
 593         }
 594 }
 595
 596 /*
 597  * Set PCM DAI word length.
 598  */
 599 static int da7210_hw_params(struct snd_pcm_substream *substream,
 600                             struct snd_pcm_hw_params *params,
 601                             struct snd_soc_dai *dai)
 602 {
 603         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 604         struct snd_soc_codec *codec = rtd->codec;
 605         u32 dai_cfg1;
 606         u32 fs, bypass;
 607
 608         /* set DAI source to Left and Right ADC */
 609         snd_soc_write(codec, DA7210_DAI_SRC_SEL,
 610                      DA7210_DAI_OUT_R_SRC | DA7210_DAI_OUT_L_SRC);
 611
 612         /* Enable DAI */
 613         snd_soc_write(codec, DA7210_DAI_CFG3, DA7210_DAI_OE | DA7210_DAI_EN);
 614
 615         dai_cfg1 = 0xFC & snd_soc_read(codec, DA7210_DAI_CFG1);
 616
 617         switch (params_format(params)) {
 618         case SNDRV_PCM_FORMAT_S16_LE:
 619                 dai_cfg1 |= DA7210_DAI_WORD_S16_LE;
 620                 break;
 621         case SNDRV_PCM_FORMAT_S20_3LE:
 622                 dai_cfg1 |= DA7210_DAI_WORD_S20_3LE;
 623                 break;
 624         case SNDRV_PCM_FORMAT_S24_LE:
 625                 dai_cfg1 |= DA7210_DAI_WORD_S24_LE;
 626                 break;
 627         case SNDRV_PCM_FORMAT_S32_LE:
 628                 dai_cfg1 |= DA7210_DAI_WORD_S32_LE;
 629                 break;
 630         default:
 631                 return -EINVAL;
 632         }
 633
 634         snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1);
 635
 636         switch (params_rate(params)) {
 637         case 8000:
 638                 fs              = DA7210_PLL_FS_8000;
 639                 bypass          = DA7210_PLL_BYP;
 640                 break;
 641         case 11025:
 642                 fs              = DA7210_PLL_FS_11025;
 643                 bypass          = 0;
 644                 break;
 645         case 12000:
 646                 fs              = DA7210_PLL_FS_12000;
 647                 bypass          = DA7210_PLL_BYP;
 648                 break;
 649         case 16000:
 650                 fs              = DA7210_PLL_FS_16000;
 651                 bypass          = DA7210_PLL_BYP;
 652                 break;
 653         case 22050:
 654                 fs              = DA7210_PLL_FS_22050;
 655                 bypass          = 0;
 656                 break;
 657         case 32000:
 658                 fs              = DA7210_PLL_FS_32000;
 659                 bypass          = DA7210_PLL_BYP;
 660                 break;
 661         case 44100:
 662                 fs              = DA7210_PLL_FS_44100;
 663                 bypass          = 0;
 664                 break;
 665         case 48000:
 666                 fs              = DA7210_PLL_FS_48000;
 667                 bypass          = DA7210_PLL_BYP;
 668                 break;
 669         case 88200:
 670                 fs              = DA7210_PLL_FS_88200;
 671                 bypass          = 0;
 672                 break;
 673         case 96000:
 674                 fs              = DA7210_PLL_FS_96000;
 675                 bypass          = DA7210_PLL_BYP;
 676                 break;
 677         default:
 678                 return -EINVAL;
 679         }
 680
 681         /* Disable active mode */
 682         snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0);
 683
 684         snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
 685         snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, bypass);
 686
 687         /* Enable active mode */
 688         snd_soc_update_bits(codec, DA7210_STARTUP1,
 689                             DA7210_SC_MST_EN, DA7210_SC_MST_EN);
 690
 691         return 0;
 692 }
 693
 694 /*
 695  * Set DAI mode and Format
 696  */
 697 static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
 698 {
 699         struct snd_soc_codec *codec = codec_dai->codec;
 700         u32 dai_cfg1;
 701         u32 dai_cfg3;
 702
 703         dai_cfg1 = 0x7f & snd_soc_read(codec, DA7210_DAI_CFG1);
 704         dai_cfg3 = 0xfc & snd_soc_read(codec, DA7210_DAI_CFG3);
 705
 706         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 707         case SND_SOC_DAIFMT_CBM_CFM:
 708                 dai_cfg1 |= DA7210_DAI_MODE_MASTER;
 709                 break;
 710         case SND_SOC_DAIFMT_CBS_CFS:
 711                 dai_cfg1 |= DA7210_DAI_MODE_SLAVE;
 712                 break;
 713         default:
 714                 return -EINVAL;
 715         }
 716
 717         /* FIXME
 718          *
 719          * It support I2S only now
 720          */
 721         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 722         case SND_SOC_DAIFMT_I2S:
 723                 dai_cfg3 |= DA7210_DAI_FORMAT_I2SMODE;
 724                 break;
 725         case SND_SOC_DAIFMT_LEFT_J:
 726                 dai_cfg3 |= DA7210_DAI_FORMAT_LEFT_J;
 727                 break;
 728         case SND_SOC_DAIFMT_RIGHT_J:
 729                 dai_cfg3 |= DA7210_DAI_FORMAT_RIGHT_J;
 730                 break;
 731         default:
 732                 return -EINVAL;
 733         }
 734
 735         /* FIXME
 736          *
 737          * It support 64bit data transmission only now
 738          */
 739         dai_cfg1 |= DA7210_DAI_FLEN_64BIT;
 740
 741         snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1);
 742         snd_soc_write(codec, DA7210_DAI_CFG3, dai_cfg3);
 743
 744         return 0;
 745 }
 746
 747 static int da7210_mute(struct snd_soc_dai *dai, int mute)
 748 {
 749         struct snd_soc_codec *codec = dai->codec;
 750         u8 mute_reg = snd_soc_read(codec, DA7210_DAC_HPF) & 0xFB;
 751
 752         if (mute)
 753                 snd_soc_write(codec, DA7210_DAC_HPF, mute_reg | 0x4);
 754         else
 755                 snd_soc_write(codec, DA7210_DAC_HPF, mute_reg);
 756         return 0;
 757 }
 758
 759 #define DA7210_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 760                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 761
 762 /* DAI operations */
 763 static const struct snd_soc_dai_ops da7210_dai_ops = {
 764         .hw_params      = da7210_hw_params,
 765         .set_fmt        = da7210_set_dai_fmt,
 766         .digital_mute   = da7210_mute,
 767 };
 768
 769 static struct snd_soc_dai_driver da7210_dai = {
 770         .name = "da7210-hifi",
 771         /* playback capabilities */
 772         .playback = {
 773                 .stream_name = "Playback",
 774                 .channels_min = 1,
 775                 .channels_max = 2,
 776                 .rates = SNDRV_PCM_RATE_8000_96000,
 777                 .formats = DA7210_FORMATS,
 778         },
 779         /* capture capabilities */
 780         .capture = {
 781                 .stream_name = "Capture",
 782                 .channels_min = 1,
 783                 .channels_max = 2,
 784                 .rates = SNDRV_PCM_RATE_8000_96000,
 785                 .formats = DA7210_FORMATS,
 786         },
 787         .ops = &da7210_dai_ops,
 788         .symmetric_rates = 1,
 789 };
 790
 791 static int da7210_probe(struct snd_soc_codec *codec)
 792 {
 793         struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
 794         int ret;
 795
 796         dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
 797
 798         ret = snd_soc_codec_set_cache_io(codec, 8, 8, da7210->control_type);
 799         if (ret < 0) {
 800                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
 801                 return ret;
 802         }
 803
 804         /* FIXME
 805          *
 806          * This driver use fixed value here
 807          * And below settings expects MCLK = 12.288MHz
 808          *
 809          * When you select different MCLK, please check...
 810          *      DA7210_PLL_DIV1 val
 811          *      DA7210_PLL_DIV2 val
 812          *      DA7210_PLL_DIV3 val
 813          *      DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx
 814          */
 815
 816         /*
 817          * make sure that DA7210 use bypass mode before start up
 818          */
 819         snd_soc_write(codec, DA7210_STARTUP1, 0);
 820         snd_soc_write(codec, DA7210_PLL_DIV3,
 821                      DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
 822
 823         /*
 824          * ADC settings
 825          */
 826
 827         /* Enable Left & Right MIC PGA and Mic Bias */
 828         snd_soc_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN);
 829         snd_soc_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN);
 830
 831         /* Enable Left and Right input PGA */
 832         snd_soc_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
 833         snd_soc_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);
 834
 835         /* Enable Left and Right ADC */
 836         snd_soc_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);
 837
 838         /*
 839          * DAC settings
 840          */
 841
 842         /* Enable Left and Right DAC */
 843         snd_soc_write(codec, DA7210_DAC_SEL,
 844                      DA7210_DAC_L_SRC_DAI_L | DA7210_DAC_L_EN |
 845                      DA7210_DAC_R_SRC_DAI_R | DA7210_DAC_R_EN);
 846
 847         /* Enable Left and Right out PGA */
 848         snd_soc_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
 849         snd_soc_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);
 850
 851         /* Enable Left and Right HeadPhone PGA */
 852         snd_soc_write(codec, DA7210_HP_CFG,
 853                      DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN |
 854                      DA7210_HP_L_EN | DA7210_HP_MODE | DA7210_HP_R_EN);
 855
 856         /* Enable ramp mode for DAC gain update */
 857         snd_soc_write(codec, DA7210_SOFTMUTE, DA7210_RAMP_EN);
 858
 859         /*
 860          * For DA7210 codec, there are two ways to enable/disable analog IOs
 861          * and ADC/DAC,
 862          * (1) Using "Enable Bit" of register associated with that IO
 863          * (or ADC/DAC)
 864          *      e.g. Mic Left can be enabled using bit 7 of MIC_L(0x7) reg
 865          *
 866          * (2) Using "Standby Bit" of STARTUP2 or STARTUP3 register
 867          *      e.g. Mic left can be put to STANDBY using bit 0 of STARTUP3(0x5)
 868          *
 869          * Out of these two methods, the one using STANDBY bits is preferred
 870          * way to enable/disable individual blocks. This is because STANDBY
 871          * registers are part of system controller which allows system power
 872          * up/down in a controlled, pop-free manner. Also, as per application
 873          * note of DA7210, STANDBY register bits are only effective if a
 874          * particular IO (or ADC/DAC) is already enabled using enable/disable
 875          * register bits. Keeping these things in mind, current DAPM
 876          * implementation manipulates only STANDBY bits.
 877          *
 878          * Overall implementation can be outlined as below,
 879          *
 880          * - "Enable bit" of an IO or ADC/DAC is used to enable it in probe()
 881          * - "STANDBY bit" is controlled by DAPM
 882          */
 883
 884         /* Enable Line out amplifiers */
 885         snd_soc_write(codec, DA7210_OUT1_L, DA7210_OUT1_L_EN);
 886         snd_soc_write(codec, DA7210_OUT1_R, DA7210_OUT1_R_EN);
 887         snd_soc_write(codec, DA7210_OUT2, DA7210_OUT2_EN |
 888                      DA7210_OUT2_OUTMIX_L | DA7210_OUT2_OUTMIX_R);
 889
 890         /* Diable PLL and bypass it */
 891         snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);
 892
 893         /*
 894          * If 48kHz sound came, it use bypass mode,
 895          * and when it is 44.1kHz, it use PLL.
 896          *
 897          * This time, this driver sets PLL always ON
 898          * and controls bypass/PLL mode by switching
 899          * DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
 900          *   see da7210_hw_params
 901          */
 902         snd_soc_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
 903         snd_soc_write(codec, DA7210_PLL_DIV2, 0x99);
 904         snd_soc_write(codec, DA7210_PLL_DIV3, 0x0A |
 905                      DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
 906         snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
 907
 908         /* As suggested by Dialog */
 909         snd_soc_write(codec, DA7210_A_HID_UNLOCK,       0x8B); /* unlock */
 910         snd_soc_write(codec, DA7210_A_TEST_UNLOCK,      0xB4);
 911         snd_soc_write(codec, DA7210_A_PLL1,             0x01);
 912         snd_soc_write(codec, DA7210_A_CP_MODE,          0x7C);
 913         snd_soc_write(codec, DA7210_A_HID_UNLOCK,       0x00); /* re-lock */
 914         snd_soc_write(codec, DA7210_A_TEST_UNLOCK,      0x00);
 915
 916         /* Activate all enabled subsystem */
 917         snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
 918
 919         dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
 920
 921         return 0;
 922 }
 923
 924 static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
 925         .probe                  = da7210_probe,
 926         .reg_cache_size         = ARRAY_SIZE(da7210_reg),
 927         .reg_word_size          = sizeof(u8),
 928         .reg_cache_default      = da7210_reg,
 929         .volatile_register      = da7210_volatile_register,
 930
 931         .controls               = da7210_snd_controls,
 932         .num_controls           = ARRAY_SIZE(da7210_snd_controls),
 933
 934         .dapm_widgets           = da7210_dapm_widgets,
 935         .num_dapm_widgets       = ARRAY_SIZE(da7210_dapm_widgets),
 936         .dapm_routes            = da7210_audio_map,
 937         .num_dapm_routes        = ARRAY_SIZE(da7210_audio_map),
 938 };
 939
 940 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 941 static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
 942                                       const struct i2c_device_id *id)
 943 {
 944         struct da7210_priv *da7210;
 945         int ret;
 946
 947         da7210 = kzalloc(sizeof(struct da7210_priv), GFP_KERNEL);
 948         if (!da7210)
 949                 return -ENOMEM;
 950
 951         i2c_set_clientdata(i2c, da7210);
 952         da7210->control_type = SND_SOC_I2C;
 953
 954         ret =  snd_soc_register_codec(&i2c->dev,
 955                         &soc_codec_dev_da7210, &da7210_dai, 1);
 956         if (ret < 0)
 957                 kfree(da7210);
 958
 959         return ret;
 960 }
 961
 962 static int __devexit da7210_i2c_remove(struct i2c_client *client)
 963 {
 964         snd_soc_unregister_codec(&client->dev);
 965         kfree(i2c_get_clientdata(client));
 966         return 0;
 967 }
 968
 969 static const struct i2c_device_id da7210_i2c_id[] = {
 970         { "da7210", 0 },
 971         { }
 972 };
 973 MODULE_DEVICE_TABLE(i2c, da7210_i2c_id);
 974
 975 /* I2C codec control layer */
 976 static struct i2c_driver da7210_i2c_driver = {
 977         .driver = {
 978                 .name = "da7210-codec",
 979                 .owner = THIS_MODULE,
 980         },
 981         .probe          = da7210_i2c_probe,
 982         .remove         = __devexit_p(da7210_i2c_remove),
 983         .id_table       = da7210_i2c_id,
 984 };
 985 #endif
 986
 987 static int __init da7210_modinit(void)
 988 {
 989         int ret = 0;
 990 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 991         ret = i2c_add_driver(&da7210_i2c_driver);
 992 #endif
 993         return ret;
 994 }
 995 module_init(da7210_modinit);
 996
 997 static void __exit da7210_exit(void)
 998 {
 999 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1000         i2c_del_driver(&da7210_i2c_driver);
1001 #endif
1002 }
1003 module_exit(da7210_exit);
1004
1005 MODULE_DESCRIPTION("ASoC DA7210 driver");
1006 MODULE_AUTHOR("David Chen, Kuninori Morimoto");
1007 MODULE_LICENSE("GPL");