sound/soc/codecs/nau8825.h

   1 /*
   2  * NAU8825 ALSA SoC audio driver
   3  *
   4  * Copyright 2015 Google Inc.
   5  * Author: Anatol Pomozov <anatol.pomozov@chrominium.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef __NAU8825_H__
  13 #define __NAU8825_H__
  14
  15 #define NAU8825_REG_RESET               0x00
  16 #define NAU8825_REG_ENA_CTRL            0x01
  17 #define NAU8825_REG_CLK_DIVIDER         0x03
  18 #define NAU8825_REG_FLL1                0x04
  19 #define NAU8825_REG_FLL2                0x05
  20 #define NAU8825_REG_FLL3                0x06
  21 #define NAU8825_REG_FLL4                0x07
  22 #define NAU8825_REG_FLL5                0x08
  23 #define NAU8825_REG_FLL6                0x09
  24 #define NAU8825_REG_FLL_VCO_RSV         0x0a
  25 #define NAU8825_REG_HSD_CTRL            0x0c
  26 #define NAU8825_REG_JACK_DET_CTRL               0x0d
  27 #define NAU8825_REG_INTERRUPT_MASK              0x0f
  28 #define NAU8825_REG_IRQ_STATUS          0x10
  29 #define NAU8825_REG_INT_CLR_KEY_STATUS          0x11
  30 #define NAU8825_REG_INTERRUPT_DIS_CTRL          0x12
  31 #define NAU8825_REG_SAR_CTRL            0x13
  32 #define NAU8825_REG_KEYDET_CTRL         0x14
  33 #define NAU8825_REG_VDET_THRESHOLD_1            0x15
  34 #define NAU8825_REG_VDET_THRESHOLD_2            0x16
  35 #define NAU8825_REG_VDET_THRESHOLD_3            0x17
  36 #define NAU8825_REG_VDET_THRESHOLD_4            0x18
  37 #define NAU8825_REG_GPIO34_CTRL         0x19
  38 #define NAU8825_REG_GPIO12_CTRL         0x1a
  39 #define NAU8825_REG_TDM_CTRL            0x1b
  40 #define NAU8825_REG_I2S_PCM_CTRL1               0x1c
  41 #define NAU8825_REG_I2S_PCM_CTRL2               0x1d
  42 #define NAU8825_REG_LEFT_TIME_SLOT              0x1e
  43 #define NAU8825_REG_RIGHT_TIME_SLOT             0x1f
  44 #define NAU8825_REG_BIQ_CTRL            0x20
  45 #define NAU8825_REG_BIQ_COF1            0x21
  46 #define NAU8825_REG_BIQ_COF2            0x22
  47 #define NAU8825_REG_BIQ_COF3            0x23
  48 #define NAU8825_REG_BIQ_COF4            0x24
  49 #define NAU8825_REG_BIQ_COF5            0x25
  50 #define NAU8825_REG_BIQ_COF6            0x26
  51 #define NAU8825_REG_BIQ_COF7            0x27
  52 #define NAU8825_REG_BIQ_COF8            0x28
  53 #define NAU8825_REG_BIQ_COF9            0x29
  54 #define NAU8825_REG_BIQ_COF10           0x2a
  55 #define NAU8825_REG_ADC_RATE            0x2b
  56 #define NAU8825_REG_DAC_CTRL1           0x2c
  57 #define NAU8825_REG_DAC_CTRL2           0x2d
  58 #define NAU8825_REG_DAC_DGAIN_CTRL              0x2f
  59 #define NAU8825_REG_ADC_DGAIN_CTRL              0x30
  60 #define NAU8825_REG_MUTE_CTRL           0x31
  61 #define NAU8825_REG_HSVOL_CTRL          0x32
  62 #define NAU8825_REG_DACL_CTRL           0x33
  63 #define NAU8825_REG_DACR_CTRL           0x34
  64 #define NAU8825_REG_ADC_DRC_KNEE_IP12           0x38
  65 #define NAU8825_REG_ADC_DRC_KNEE_IP34           0x39
  66 #define NAU8825_REG_ADC_DRC_SLOPES              0x3a
  67 #define NAU8825_REG_ADC_DRC_ATKDCY              0x3b
  68 #define NAU8825_REG_DAC_DRC_KNEE_IP12           0x45
  69 #define NAU8825_REG_DAC_DRC_KNEE_IP34           0x46
  70 #define NAU8825_REG_DAC_DRC_SLOPES              0x47
  71 #define NAU8825_REG_DAC_DRC_ATKDCY              0x48
  72 #define NAU8825_REG_IMM_MODE_CTRL               0x4c
  73 #define NAU8825_REG_IMM_RMS_L           0x4d
  74 #define NAU8825_REG_IMM_RMS_R           0x4e
  75 #define NAU8825_REG_CLASSG_CTRL         0x50
  76 #define NAU8825_REG_OPT_EFUSE_CTRL              0x51
  77 #define NAU8825_REG_MISC_CTRL           0x55
  78 #define NAU8825_REG_I2C_DEVICE_ID               0x58
  79 #define NAU8825_REG_SARDOUT_RAM_STATUS          0x59
  80 #define NAU8825_REG_BIAS_ADJ            0x66
  81 #define NAU8825_REG_TRIM_SETTINGS               0x68
  82 #define NAU8825_REG_ANALOG_CONTROL_1            0x69
  83 #define NAU8825_REG_ANALOG_CONTROL_2            0x6a
  84 #define NAU8825_REG_ANALOG_ADC_1                0x71
  85 #define NAU8825_REG_ANALOG_ADC_2                0x72
  86 #define NAU8825_REG_RDAC                0x73
  87 #define NAU8825_REG_MIC_BIAS            0x74
  88 #define NAU8825_REG_BOOST               0x76
  89 #define NAU8825_REG_FEPGA               0x77
  90 #define NAU8825_REG_POWER_UP_CONTROL            0x7f
  91 #define NAU8825_REG_CHARGE_PUMP         0x80
  92 #define NAU8825_REG_CHARGE_PUMP_INPUT_READ              0x81
  93 #define NAU8825_REG_GENERAL_STATUS              0x82
  94 #define NAU8825_REG_MAX         NAU8825_REG_GENERAL_STATUS
  95
  96 /* ENA_CTRL (0x1) */
  97 #define NAU8825_ENABLE_DACR_SFT 10
  98 #define NAU8825_ENABLE_DACR     (1 << NAU8825_ENABLE_DACR_SFT)
  99 #define NAU8825_ENABLE_DACL_SFT 9
 100 #define NAU8825_ENABLE_ADC_SFT  8
 101 #define NAU8825_ENABLE_SAR_SFT  1
 102
 103 /* CLK_DIVIDER (0x3) */
 104 #define NAU8825_CLK_SRC_SFT                     15
 105 #define NAU8825_CLK_SRC_MASK                    (1 << NAU8825_CLK_SRC_SFT)
 106 #define NAU8825_CLK_SRC_VCO                     (1 << NAU8825_CLK_SRC_SFT)
 107 #define NAU8825_CLK_SRC_MCLK                    (0 << NAU8825_CLK_SRC_SFT)
 108 #define NAU8825_CLK_MCLK_SRC_MASK               (0xf << 0)
 109
 110 /* FLL1 (0x04) */
 111 #define NAU8825_FLL_RATIO_MASK                  (0x7f << 0)
 112
 113 /* FLL3 (0x06) */
 114 #define NAU8825_FLL_INTEGER_MASK                (0x3ff << 0)
 115
 116 /* FLL4 (0x07) */
 117 #define NAU8825_FLL_REF_DIV_MASK                (0x3 << 10)
 118
 119 /* FLL5 (0x08) */
 120 #define NAU8825_FLL_FILTER_SW_MASK              (0x1 << 14)
 121
 122 /* FLL6 (0x9) */
 123 #define NAU8825_DCO_EN_MASK                     (0x1 << 15)
 124 #define NAU8825_DCO_EN                          (0x1 << 15)
 125 #define NAU8825_DCO_DIS                         (0x0 << 15)
 126 #define NAU8825_SDM_EN_MASK                     (0x1 << 14)
 127 #define NAU8825_SDM_EN                          (0x1 << 14)
 128 #define NAU8825_SDM_DIS                         (0x0 << 14)
 129
 130 /* HSD_CTRL (0xc) */
 131 #define NAU8825_HSD_AUTO_MODE   (1 << 6)
 132 /* 0 - short to GND, 1 - open */
 133 #define NAU8825_SPKR_DWN1R      (1 << 1)
 134 #define NAU8825_SPKR_DWN1L      (1 << 0)
 135
 136 /* JACK_DET_CTRL (0xd) */
 137 #define NAU8825_JACK_DET_RESTART        (1 << 9)
 138 #define NAU8825_JACK_INSERT_DEBOUNCE_SFT        5
 139 #define NAU8825_JACK_INSERT_DEBOUNCE_MASK       (0x7 << NAU8825_JACK_INSERT_DEBOUNCE_SFT)
 140 #define NAU8825_JACK_EJECT_DEBOUNCE_SFT         2
 141 #define NAU8825_JACK_EJECT_DEBOUNCE_MASK        (0x7 << NAU8825_JACK_EJECT_DEBOUNCE_SFT)
 142 #define NAU8825_JACK_POLARITY   (1 << 1) /* 0 - active low, 1 - active high */
 143
 144 /* INTERRUPT_MASK (0xf) */
 145 #define NAU8825_IRQ_OUTPUT_EN (1 << 11)
 146 #define NAU8825_IRQ_HEADSET_COMPLETE_EN (1 << 10)
 147 #define NAU8825_IRQ_KEY_RELEASE_EN (1 << 7)
 148 #define NAU8825_IRQ_KEY_SHORT_PRESS_EN (1 << 5)
 149 #define NAU8825_IRQ_EJECT_EN (1 << 2)
 150
 151 /* IRQ_STATUS (0x10) */
 152 #define NAU8825_HEADSET_COMPLETION_IRQ  (1 << 10)
 153 #define NAU8825_SHORT_CIRCUIT_IRQ       (1 << 9)
 154 #define NAU8825_IMPEDANCE_MEAS_IRQ      (1 << 8)
 155 #define NAU8825_KEY_IRQ_MASK    (0x7 << 5)
 156 #define NAU8825_KEY_RELEASE_IRQ (1 << 7)
 157 #define NAU8825_KEY_LONG_PRESS_IRQ      (1 << 6)
 158 #define NAU8825_KEY_SHORT_PRESS_IRQ     (1 << 5)
 159 #define NAU8825_MIC_DETECTION_IRQ       (1 << 4)
 160 #define NAU8825_JACK_EJECTION_IRQ_MASK  (3 << 2)
 161 #define NAU8825_JACK_EJECTION_DETECTED  (1 << 2)
 162 #define NAU8825_JACK_INSERTION_IRQ_MASK (3 << 0)
 163 #define NAU8825_JACK_INSERTION_DETECTED (1 << 0)
 164
 165 /* INTERRUPT_DIS_CTRL (0x12) */
 166 #define NAU8825_IRQ_HEADSET_COMPLETE_DIS (1 << 10)
 167 #define NAU8825_IRQ_KEY_RELEASE_DIS (1 << 7)
 168 #define NAU8825_IRQ_KEY_SHORT_PRESS_DIS (1 << 5)
 169 #define NAU8825_IRQ_EJECT_DIS (1 << 2)
 170
 171 /* SAR_CTRL (0x13) */
 172 #define NAU8825_SAR_ADC_EN_SFT  12
 173 #define NAU8825_SAR_ADC_EN      (1 << NAU8825_SAR_ADC_EN_SFT)
 174 #define NAU8825_SAR_INPUT_MASK  (1 << 11)
 175 #define NAU8825_SAR_INPUT_JKSLV (1 << 11)
 176 #define NAU8825_SAR_INPUT_JKR2  (0 << 11)
 177 #define NAU8825_SAR_TRACKING_GAIN_SFT   8
 178 #define NAU8825_SAR_TRACKING_GAIN_MASK  (0x7 << NAU8825_SAR_TRACKING_GAIN_SFT)
 179 #define NAU8825_SAR_COMPARE_TIME_SFT    2
 180 #define NAU8825_SAR_COMPARE_TIME_MASK   (3 << 2)
 181 #define NAU8825_SAR_SAMPLING_TIME_SFT   0
 182 #define NAU8825_SAR_SAMPLING_TIME_MASK  (3 << 0)
 183
 184 /* KEYDET_CTRL (0x14) */
 185 #define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT    12
 186 #define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_MASK   (0x3 << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT)
 187 #define NAU8825_KEYDET_LEVELS_NR_SFT    8
 188 #define NAU8825_KEYDET_LEVELS_NR_MASK   (0x7 << 8)
 189 #define NAU8825_KEYDET_HYSTERESIS_SFT   0
 190 #define NAU8825_KEYDET_HYSTERESIS_MASK  0xf
 191
 192 /* GPIO12_CTRL (0x1a) */
 193 #define NAU8825_JKDET_PULL_UP   (1 << 11) /* 0 - pull down, 1 - pull up */
 194 #define NAU8825_JKDET_PULL_EN   (1 << 9) /* 0 - enable pull, 1 - disable */
 195 #define NAU8825_JKDET_OUTPUT_EN (1 << 8) /* 0 - enable input, 1 - enable output */
 196
 197 /* I2S_PCM_CTRL1 (0x1c) */
 198 #define NAU8825_I2S_BP_SFT      7
 199 #define NAU8825_I2S_BP_MASK     (1 << NAU8825_I2S_BP_SFT)
 200 #define NAU8825_I2S_BP_INV      (1 << NAU8825_I2S_BP_SFT)
 201 #define NAU8825_I2S_PCMB_SFT    6
 202 #define NAU8825_I2S_PCMB_MASK   (1 << NAU8825_I2S_PCMB_SFT)
 203 #define NAU8825_I2S_PCMB_EN     (1 << NAU8825_I2S_PCMB_SFT)
 204 #define NAU8825_I2S_DL_SFT      2
 205 #define NAU8825_I2S_DL_MASK     (0x3 << NAU8825_I2S_DL_SFT)
 206 #define NAU8825_I2S_DL_16       (0 << NAU8825_I2S_DL_SFT)
 207 #define NAU8825_I2S_DL_20       (1 << NAU8825_I2S_DL_SFT)
 208 #define NAU8825_I2S_DL_24       (2 << NAU8825_I2S_DL_SFT)
 209 #define NAU8825_I2S_DL_32       (3 << NAU8825_I2S_DL_SFT)
 210 #define NAU8825_I2S_DF_SFT      0
 211 #define NAU8825_I2S_DF_MASK     (0x3 << NAU8825_I2S_DF_SFT)
 212 #define NAU8825_I2S_DF_RIGTH    (0 << NAU8825_I2S_DF_SFT)
 213 #define NAU8825_I2S_DF_LEFT     (1 << NAU8825_I2S_DF_SFT)
 214 #define NAU8825_I2S_DF_I2S      (2 << NAU8825_I2S_DF_SFT)
 215 #define NAU8825_I2S_DF_PCM_AB   (3 << NAU8825_I2S_DF_SFT)
 216
 217 /* I2S_PCM_CTRL2 (0x1d) */
 218 #define NAU8825_I2S_TRISTATE    (1 << 15) /* 0 - normal mode, 1 - Hi-Z output */
 219 #define NAU8825_I2S_MS_SFT      3
 220 #define NAU8825_I2S_MS_MASK     (1 << NAU8825_I2S_MS_SFT)
 221 #define NAU8825_I2S_MS_MASTER   (1 << NAU8825_I2S_MS_SFT)
 222 #define NAU8825_I2S_MS_SLAVE    (0 << NAU8825_I2S_MS_SFT)
 223
 224 /* ADC_RATE (0x2b) */
 225 #define NAU8825_ADC_SYNC_DOWN_SFT       0
 226 #define NAU8825_ADC_SYNC_DOWN_MASK      0x3
 227 #define NAU8825_ADC_SYNC_DOWN_32        0
 228 #define NAU8825_ADC_SYNC_DOWN_64        1
 229 #define NAU8825_ADC_SYNC_DOWN_128       2
 230 #define NAU8825_ADC_SYNC_DOWN_256       3
 231
 232 /* DAC_CTRL1 (0x2c) */
 233 #define NAU8825_DAC_CLIP_OFF    (1 << 7)
 234 #define NAU8825_DAC_OVERSAMPLE_SFT      0
 235 #define NAU8825_DAC_OVERSAMPLE_MASK     0x7
 236 #define NAU8825_DAC_OVERSAMPLE_64       0
 237 #define NAU8825_DAC_OVERSAMPLE_256      1
 238 #define NAU8825_DAC_OVERSAMPLE_128      2
 239 #define NAU8825_DAC_OVERSAMPLE_32       4
 240
 241 /* MUTE_CTRL (0x31) */
 242 #define NAU8825_DAC_ZERO_CROSSING_EN    (1 << 9)
 243 #define NAU8825_DAC_SOFT_MUTE   (1 << 9)
 244
 245 /* HSVOL_CTRL (0x32) */
 246 #define NAU8825_HP_MUTE (1 << 15)
 247
 248 /* DACL_CTRL (0x33) */
 249 #define NAU8825_DACL_CH_SEL_SFT 9
 250
 251 /* DACR_CTRL (0x34) */
 252 #define NAU8825_DACR_CH_SEL_SFT 9
 253
 254 /* I2C_DEVICE_ID (0x58) */
 255 #define NAU8825_GPIO2JD1        (1 << 7)
 256 #define NAU8825_SOFTWARE_ID_MASK        0x3
 257 #define NAU8825_SOFTWARE_ID_NAU8825     0x0
 258
 259 /* BIAS_ADJ (0x66) */
 260 #define NAU8825_BIAS_VMID       (1 << 6)
 261 #define NAU8825_BIAS_VMID_SEL_SFT       4
 262 #define NAU8825_BIAS_VMID_SEL_MASK      (3 << NAU8825_BIAS_VMID_SEL_SFT)
 263
 264 /* ANALOG_CONTROL_2 (0x6a) */
 265 #define NAU8825_HP_NON_CLASSG_CURRENT_2xADJ (1 << 12)
 266 #define NAU8825_DAC_CAPACITOR_MSB (1 << 1)
 267 #define NAU8825_DAC_CAPACITOR_LSB (1 << 0)
 268
 269 /* ANALOG_ADC_2 (0x72) */
 270 #define NAU8825_ADC_VREFSEL_MASK        (0x3 << 8)
 271 #define NAU8825_ADC_VREFSEL_ANALOG      (0 << 8)
 272 #define NAU8825_ADC_VREFSEL_VMID        (1 << 8)
 273 #define NAU8825_ADC_VREFSEL_VMID_PLUS_0_5DB     (2 << 8)
 274 #define NAU8825_ADC_VREFSEL_VMID_PLUS_1DB       (3 << 8)
 275 #define NAU8825_POWERUP_ADCL    (1 << 6)
 276
 277 /* MIC_BIAS (0x74) */
 278 #define NAU8825_MICBIAS_JKSLV   (1 << 14)
 279 #define NAU8825_MICBIAS_JKR2    (1 << 12)
 280 #define NAU8825_MICBIAS_POWERUP_SFT     8
 281 #define NAU8825_MICBIAS_VOLTAGE_SFT     0
 282 #define NAU8825_MICBIAS_VOLTAGE_MASK    0x7
 283
 284 /* BOOST (0x76) */
 285 #define NAU8825_PRECHARGE_DIS   (1 << 13)
 286 #define NAU8825_GLOBAL_BIAS_EN  (1 << 12)
 287 #define NAU8825_HP_BOOST_G_DIS  (1 << 8)
 288 #define NAU8825_SHORT_SHUTDOWN_EN       (1 << 6)
 289
 290 /* POWER_UP_CONTROL (0x7f) */
 291 #define NAU8825_POWERUP_INTEGR_R        (1 << 5)
 292 #define NAU8825_POWERUP_INTEGR_L        (1 << 4)
 293 #define NAU8825_POWERUP_DRV_IN_R        (1 << 3)
 294 #define NAU8825_POWERUP_DRV_IN_L        (1 << 2)
 295 #define NAU8825_POWERUP_HP_DRV_R        (1 << 1)
 296 #define NAU8825_POWERUP_HP_DRV_L        (1 << 0)
 297
 298 /* CHARGE_PUMP (0x80) */
 299 #define NAU8825_JAMNODCLOW      (1 << 10)
 300 #define NAU8825_POWER_DOWN_DACR (1 << 9)
 301 #define NAU8825_POWER_DOWN_DACL (1 << 8)
 302 #define NAU8825_CHANRGE_PUMP_EN (1 << 5)
 303
 304
 305 /* System Clock Source */
 306 enum {
 307         NAU8825_CLK_MCLK = 0,
 308         NAU8825_CLK_INTERNAL,
 309 };
 310
 311 struct nau8825 {
 312         struct device *dev;
 313         struct regmap *regmap;
 314         struct snd_soc_dapm_context *dapm;
 315         struct snd_soc_jack *jack;
 316         struct clk *mclk;
 317         int irq;
 318         int mclk_freq; /* 0 - mclk is disabled */
 319         int button_pressed;
 320         int micbias_voltage;
 321         int vref_impedance;
 322         bool jkdet_enable;
 323         bool jkdet_pull_enable;
 324         bool jkdet_pull_up;
 325         int jkdet_polarity;
 326         int sar_threshold_num;
 327         int sar_threshold[8];
 328         int sar_hysteresis;
 329         int sar_voltage;
 330         int sar_compare_time;
 331         int sar_sampling_time;
 332         int key_debounce;
 333         int jack_insert_debounce;
 334         int jack_eject_debounce;
 335 };
 336
 337 int nau8825_enable_jack_detect(struct snd_soc_codec *codec,
 338                                 struct snd_soc_jack *jack);
 339
 340
 341 #endif  /* __NAU8825_H__ */