linux/sound/soc/codecs/cx2072x.c
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   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// ALSA SoC CX20721/CX20723 codec driver
   4//
   5// Copyright:   (C) 2017 Conexant Systems, Inc.
   6// Author:      Simon Ho, <Simon.ho@conexant.com>
   7//
   8// TODO: add support for TDM mode.
   9//
  10
  11#include <linux/acpi.h>
  12#include <linux/clk.h>
  13#include <linux/delay.h>
  14#include <linux/gpio.h>
  15#include <linux/init.h>
  16#include <linux/i2c.h>
  17#include <linux/module.h>
  18#include <linux/platform_device.h>
  19#include <linux/pm.h>
  20#include <linux/pm_runtime.h>
  21#include <linux/regmap.h>
  22#include <linux/slab.h>
  23#include <sound/core.h>
  24#include <sound/initval.h>
  25#include <sound/jack.h>
  26#include <sound/pcm.h>
  27#include <sound/pcm_params.h>
  28#include <sound/tlv.h>
  29#include <sound/soc.h>
  30#include <sound/soc-dapm.h>
  31#include "cx2072x.h"
  32
  33#define PLL_OUT_HZ_48   (1024 * 3 * 48000)
  34#define BITS_PER_SLOT   8
  35
  36/* codec private data */
  37struct cx2072x_priv {
  38        struct regmap *regmap;
  39        struct clk *mclk;
  40        unsigned int mclk_rate;
  41        struct device *dev;
  42        struct snd_soc_component *codec;
  43        struct snd_soc_jack_gpio jack_gpio;
  44        struct mutex lock;
  45        unsigned int bclk_ratio;
  46        bool pll_changed;
  47        bool i2spcm_changed;
  48        int sample_size;
  49        int frame_size;
  50        int sample_rate;
  51        unsigned int dai_fmt;
  52        bool en_aec_ref;
  53};
  54
  55/*
  56 * DAC/ADC Volume
  57 *
  58 * max : 74 : 0 dB
  59 *       ( in 1 dB  step )
  60 * min : 0 : -74 dB
  61 */
  62static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0);
  63static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0);
  64static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0);
  65
  66struct cx2072x_eq_ctrl {
  67        u8 ch;
  68        u8 band;
  69};
  70
  71static const DECLARE_TLV_DB_RANGE(hpf_tlv,
  72        0, 0, TLV_DB_SCALE_ITEM(120, 0, 0),
  73        1, 63, TLV_DB_SCALE_ITEM(30, 30, 0)
  74);
  75
  76/* Lookup table for PRE_DIV */
  77static const struct {
  78        unsigned int mclk;
  79        unsigned int div;
  80} mclk_pre_div[] = {
  81        { 6144000, 1 },
  82        { 12288000, 2 },
  83        { 19200000, 3 },
  84        { 26000000, 4 },
  85        { 28224000, 5 },
  86        { 36864000, 6 },
  87        { 36864000, 7 },
  88        { 48000000, 8 },
  89        { 49152000, 8 },
  90};
  91
  92/*
  93 * cx2072x register cache.
  94 */
  95static const struct reg_default cx2072x_reg_defaults[] = {
  96        { CX2072X_AFG_POWER_STATE, 0x00000003 },
  97        { CX2072X_UM_RESPONSE, 0x00000000 },
  98        { CX2072X_GPIO_DATA, 0x00000000 },
  99        { CX2072X_GPIO_ENABLE, 0x00000000 },
 100        { CX2072X_GPIO_DIRECTION, 0x00000000 },
 101        { CX2072X_GPIO_WAKE, 0x00000000 },
 102        { CX2072X_GPIO_UM_ENABLE, 0x00000000 },
 103        { CX2072X_GPIO_STICKY_MASK, 0x00000000 },
 104        { CX2072X_DAC1_CONVERTER_FORMAT, 0x00000031 },
 105        { CX2072X_DAC1_AMP_GAIN_RIGHT, 0x0000004a },
 106        { CX2072X_DAC1_AMP_GAIN_LEFT, 0x0000004a },
 107        { CX2072X_DAC1_POWER_STATE, 0x00000433 },
 108        { CX2072X_DAC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 109        { CX2072X_DAC1_EAPD_ENABLE, 0x00000000 },
 110        { CX2072X_DAC2_CONVERTER_FORMAT, 0x00000031 },
 111        { CX2072X_DAC2_AMP_GAIN_RIGHT, 0x0000004a },
 112        { CX2072X_DAC2_AMP_GAIN_LEFT, 0x0000004a },
 113        { CX2072X_DAC2_POWER_STATE, 0x00000433 },
 114        { CX2072X_DAC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 115        { CX2072X_ADC1_CONVERTER_FORMAT, 0x00000031 },
 116        { CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0x0000004a },
 117        { CX2072X_ADC1_AMP_GAIN_LEFT_0, 0x0000004a },
 118        { CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0x0000004a },
 119        { CX2072X_ADC1_AMP_GAIN_LEFT_1, 0x0000004a },
 120        { CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0x0000004a },
 121        { CX2072X_ADC1_AMP_GAIN_LEFT_2, 0x0000004a },
 122        { CX2072X_ADC1_AMP_GAIN_RIGHT_3, 0x0000004a },
 123        { CX2072X_ADC1_AMP_GAIN_LEFT_3, 0x0000004a },
 124        { CX2072X_ADC1_AMP_GAIN_RIGHT_4, 0x0000004a },
 125        { CX2072X_ADC1_AMP_GAIN_LEFT_4, 0x0000004a },
 126        { CX2072X_ADC1_AMP_GAIN_RIGHT_5, 0x0000004a },
 127        { CX2072X_ADC1_AMP_GAIN_LEFT_5, 0x0000004a },
 128        { CX2072X_ADC1_AMP_GAIN_RIGHT_6, 0x0000004a },
 129        { CX2072X_ADC1_AMP_GAIN_LEFT_6, 0x0000004a },
 130        { CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0x00000000 },
 131        { CX2072X_ADC1_POWER_STATE, 0x00000433 },
 132        { CX2072X_ADC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 133        { CX2072X_ADC2_CONVERTER_FORMAT, 0x00000031 },
 134        { CX2072X_ADC2_AMP_GAIN_RIGHT_0, 0x0000004a },
 135        { CX2072X_ADC2_AMP_GAIN_LEFT_0, 0x0000004a },
 136        { CX2072X_ADC2_AMP_GAIN_RIGHT_1, 0x0000004a },
 137        { CX2072X_ADC2_AMP_GAIN_LEFT_1, 0x0000004a },
 138        { CX2072X_ADC2_AMP_GAIN_RIGHT_2, 0x0000004a },
 139        { CX2072X_ADC2_AMP_GAIN_LEFT_2, 0x0000004a },
 140        { CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0x00000000 },
 141        { CX2072X_ADC2_POWER_STATE, 0x00000433 },
 142        { CX2072X_ADC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 143        { CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0x00000000 },
 144        { CX2072X_PORTA_POWER_STATE, 0x00000433 },
 145        { CX2072X_PORTA_PIN_CTRL, 0x000000c0 },
 146        { CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x00000000 },
 147        { CX2072X_PORTA_PIN_SENSE, 0x00000000 },
 148        { CX2072X_PORTA_EAPD_BTL, 0x00000002 },
 149        { CX2072X_PORTB_POWER_STATE, 0x00000433 },
 150        { CX2072X_PORTB_PIN_CTRL, 0x00000000 },
 151        { CX2072X_PORTB_UNSOLICITED_RESPONSE, 0x00000000 },
 152        { CX2072X_PORTB_PIN_SENSE, 0x00000000 },
 153        { CX2072X_PORTB_EAPD_BTL, 0x00000002 },
 154        { CX2072X_PORTB_GAIN_RIGHT, 0x00000000 },
 155        { CX2072X_PORTB_GAIN_LEFT, 0x00000000 },
 156        { CX2072X_PORTC_POWER_STATE, 0x00000433 },
 157        { CX2072X_PORTC_PIN_CTRL, 0x00000000 },
 158        { CX2072X_PORTC_GAIN_RIGHT, 0x00000000 },
 159        { CX2072X_PORTC_GAIN_LEFT, 0x00000000 },
 160        { CX2072X_PORTD_POWER_STATE, 0x00000433 },
 161        { CX2072X_PORTD_PIN_CTRL, 0x00000020 },
 162        { CX2072X_PORTD_UNSOLICITED_RESPONSE, 0x00000000 },
 163        { CX2072X_PORTD_PIN_SENSE, 0x00000000 },
 164        { CX2072X_PORTD_GAIN_RIGHT, 0x00000000 },
 165        { CX2072X_PORTD_GAIN_LEFT, 0x00000000 },
 166        { CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0x00000000 },
 167        { CX2072X_PORTE_POWER_STATE, 0x00000433 },
 168        { CX2072X_PORTE_PIN_CTRL, 0x00000040 },
 169        { CX2072X_PORTE_UNSOLICITED_RESPONSE, 0x00000000 },
 170        { CX2072X_PORTE_PIN_SENSE, 0x00000000 },
 171        { CX2072X_PORTE_EAPD_BTL, 0x00000002 },
 172        { CX2072X_PORTE_GAIN_RIGHT, 0x00000000 },
 173        { CX2072X_PORTE_GAIN_LEFT, 0x00000000 },
 174        { CX2072X_PORTF_POWER_STATE, 0x00000433 },
 175        { CX2072X_PORTF_PIN_CTRL, 0x00000000 },
 176        { CX2072X_PORTF_UNSOLICITED_RESPONSE, 0x00000000 },
 177        { CX2072X_PORTF_PIN_SENSE, 0x00000000 },
 178        { CX2072X_PORTF_GAIN_RIGHT, 0x00000000 },
 179        { CX2072X_PORTF_GAIN_LEFT, 0x00000000 },
 180        { CX2072X_PORTG_POWER_STATE, 0x00000433 },
 181        { CX2072X_PORTG_PIN_CTRL, 0x00000040 },
 182        { CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0x00000000 },
 183        { CX2072X_PORTG_EAPD_BTL, 0x00000002 },
 184        { CX2072X_PORTM_POWER_STATE, 0x00000433 },
 185        { CX2072X_PORTM_PIN_CTRL, 0x00000000 },
 186        { CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0x00000000 },
 187        { CX2072X_PORTM_EAPD_BTL, 0x00000002 },
 188        { CX2072X_MIXER_POWER_STATE, 0x00000433 },
 189        { CX2072X_MIXER_GAIN_RIGHT_0, 0x0000004a },
 190        { CX2072X_MIXER_GAIN_LEFT_0, 0x0000004a },
 191        { CX2072X_MIXER_GAIN_RIGHT_1, 0x0000004a },
 192        { CX2072X_MIXER_GAIN_LEFT_1, 0x0000004a },
 193        { CX2072X_SPKR_DRC_ENABLE_STEP, 0x040065a4 },
 194        { CX2072X_SPKR_DRC_CONTROL, 0x007b0024 },
 195        { CX2072X_SPKR_DRC_TEST, 0x00000000 },
 196        { CX2072X_DIGITAL_BIOS_TEST0, 0x001f008a },
 197        { CX2072X_DIGITAL_BIOS_TEST2, 0x00990026 },
 198        { CX2072X_I2SPCM_CONTROL1, 0x00010001 },
 199        { CX2072X_I2SPCM_CONTROL2, 0x00000000 },
 200        { CX2072X_I2SPCM_CONTROL3, 0x00000000 },
 201        { CX2072X_I2SPCM_CONTROL4, 0x00000000 },
 202        { CX2072X_I2SPCM_CONTROL5, 0x00000000 },
 203        { CX2072X_I2SPCM_CONTROL6, 0x00000000 },
 204        { CX2072X_UM_INTERRUPT_CRTL_E, 0x00000000 },
 205        { CX2072X_CODEC_TEST2, 0x00000000 },
 206        { CX2072X_CODEC_TEST9, 0x00000004 },
 207        { CX2072X_CODEC_TEST20, 0x00000600 },
 208        { CX2072X_CODEC_TEST26, 0x00000208 },
 209        { CX2072X_ANALOG_TEST4, 0x00000000 },
 210        { CX2072X_ANALOG_TEST5, 0x00000000 },
 211        { CX2072X_ANALOG_TEST6, 0x0000059a },
 212        { CX2072X_ANALOG_TEST7, 0x000000a7 },
 213        { CX2072X_ANALOG_TEST8, 0x00000017 },
 214        { CX2072X_ANALOG_TEST9, 0x00000000 },
 215        { CX2072X_ANALOG_TEST10, 0x00000285 },
 216        { CX2072X_ANALOG_TEST11, 0x00000000 },
 217        { CX2072X_ANALOG_TEST12, 0x00000000 },
 218        { CX2072X_ANALOG_TEST13, 0x00000000 },
 219        { CX2072X_DIGITAL_TEST1, 0x00000242 },
 220        { CX2072X_DIGITAL_TEST11, 0x00000000 },
 221        { CX2072X_DIGITAL_TEST12, 0x00000084 },
 222        { CX2072X_DIGITAL_TEST15, 0x00000077 },
 223        { CX2072X_DIGITAL_TEST16, 0x00000021 },
 224        { CX2072X_DIGITAL_TEST17, 0x00000018 },
 225        { CX2072X_DIGITAL_TEST18, 0x00000024 },
 226        { CX2072X_DIGITAL_TEST19, 0x00000001 },
 227        { CX2072X_DIGITAL_TEST20, 0x00000002 },
 228};
 229
 230/*
 231 * register initialization
 232 */
 233static const struct reg_sequence cx2072x_reg_init[] = {
 234        { CX2072X_ANALOG_TEST9, 0x080 },    /* DC offset Calibration */
 235        { CX2072X_CODEC_TEST26, 0x65f },    /* Disable the PA */
 236        { CX2072X_ANALOG_TEST10, 0x289 },   /* Set the speaker output gain */
 237        { CX2072X_CODEC_TEST20, 0xf05 },
 238        { CX2072X_CODEC_TESTXX, 0x380 },
 239        { CX2072X_CODEC_TEST26, 0xb90 },
 240        { CX2072X_CODEC_TEST9,  0x001 },    /* Enable 30 Hz High pass filter */
 241        { CX2072X_ANALOG_TEST3, 0x300 },    /* Disable PCBEEP pad */
 242        { CX2072X_CODEC_TEST24, 0x100 },    /* Disable SnM mode */
 243        { CX2072X_PORTD_PIN_CTRL, 0x020 },  /* Enable PortD input */
 244        { CX2072X_GPIO_ENABLE,  0x040 },    /* Enable GPIO7 pin for button */
 245        { CX2072X_GPIO_UM_ENABLE, 0x040 },  /* Enable UM for GPIO7 */
 246        { CX2072X_UM_RESPONSE,  0x080 },    /* Enable button response */
 247        { CX2072X_DIGITAL_TEST12, 0x0c4 },  /* Enable headset button */
 248        { CX2072X_DIGITAL_TEST0, 0x415 },   /* Power down class-D during idle */
 249        { CX2072X_I2SPCM_CONTROL2, 0x00f }, /* Enable I2S TX */
 250        { CX2072X_I2SPCM_CONTROL3, 0x00f }, /* Enable I2S RX */
 251};
 252
 253static unsigned int cx2072x_register_size(unsigned int reg)
 254{
 255        switch (reg) {
 256        case CX2072X_VENDOR_ID:
 257        case CX2072X_REVISION_ID:
 258        case CX2072X_PORTA_PIN_SENSE:
 259        case CX2072X_PORTB_PIN_SENSE:
 260        case CX2072X_PORTD_PIN_SENSE:
 261        case CX2072X_PORTE_PIN_SENSE:
 262        case CX2072X_PORTF_PIN_SENSE:
 263        case CX2072X_I2SPCM_CONTROL1:
 264        case CX2072X_I2SPCM_CONTROL2:
 265        case CX2072X_I2SPCM_CONTROL3:
 266        case CX2072X_I2SPCM_CONTROL4:
 267        case CX2072X_I2SPCM_CONTROL5:
 268        case CX2072X_I2SPCM_CONTROL6:
 269        case CX2072X_UM_INTERRUPT_CRTL_E:
 270        case CX2072X_EQ_G_COEFF:
 271        case CX2072X_SPKR_DRC_CONTROL:
 272        case CX2072X_SPKR_DRC_TEST:
 273        case CX2072X_DIGITAL_BIOS_TEST0:
 274        case CX2072X_DIGITAL_BIOS_TEST2:
 275                return 4;
 276        case CX2072X_EQ_ENABLE_BYPASS:
 277        case CX2072X_EQ_B0_COEFF:
 278        case CX2072X_EQ_B1_COEFF:
 279        case CX2072X_EQ_B2_COEFF:
 280        case CX2072X_EQ_A1_COEFF:
 281        case CX2072X_EQ_A2_COEFF:
 282        case CX2072X_DAC1_CONVERTER_FORMAT:
 283        case CX2072X_DAC2_CONVERTER_FORMAT:
 284        case CX2072X_ADC1_CONVERTER_FORMAT:
 285        case CX2072X_ADC2_CONVERTER_FORMAT:
 286        case CX2072X_CODEC_TEST2:
 287        case CX2072X_CODEC_TEST9:
 288        case CX2072X_CODEC_TEST20:
 289        case CX2072X_CODEC_TEST26:
 290        case CX2072X_ANALOG_TEST3:
 291        case CX2072X_ANALOG_TEST4:
 292        case CX2072X_ANALOG_TEST5:
 293        case CX2072X_ANALOG_TEST6:
 294        case CX2072X_ANALOG_TEST7:
 295        case CX2072X_ANALOG_TEST8:
 296        case CX2072X_ANALOG_TEST9:
 297        case CX2072X_ANALOG_TEST10:
 298        case CX2072X_ANALOG_TEST11:
 299        case CX2072X_ANALOG_TEST12:
 300        case CX2072X_ANALOG_TEST13:
 301        case CX2072X_DIGITAL_TEST0:
 302        case CX2072X_DIGITAL_TEST1:
 303        case CX2072X_DIGITAL_TEST11:
 304        case CX2072X_DIGITAL_TEST12:
 305        case CX2072X_DIGITAL_TEST15:
 306        case CX2072X_DIGITAL_TEST16:
 307        case CX2072X_DIGITAL_TEST17:
 308        case CX2072X_DIGITAL_TEST18:
 309        case CX2072X_DIGITAL_TEST19:
 310        case CX2072X_DIGITAL_TEST20:
 311                return 2;
 312        default:
 313                return 1;
 314        }
 315}
 316
 317static bool cx2072x_readable_register(struct device *dev, unsigned int reg)
 318{
 319        switch (reg) {
 320        case CX2072X_VENDOR_ID:
 321        case CX2072X_REVISION_ID:
 322        case CX2072X_CURRENT_BCLK_FREQUENCY:
 323        case CX2072X_AFG_POWER_STATE:
 324        case CX2072X_UM_RESPONSE:
 325        case CX2072X_GPIO_DATA:
 326        case CX2072X_GPIO_ENABLE:
 327        case CX2072X_GPIO_DIRECTION:
 328        case CX2072X_GPIO_WAKE:
 329        case CX2072X_GPIO_UM_ENABLE:
 330        case CX2072X_GPIO_STICKY_MASK:
 331        case CX2072X_DAC1_CONVERTER_FORMAT:
 332        case CX2072X_DAC1_AMP_GAIN_RIGHT:
 333        case CX2072X_DAC1_AMP_GAIN_LEFT:
 334        case CX2072X_DAC1_POWER_STATE:
 335        case CX2072X_DAC1_CONVERTER_STREAM_CHANNEL:
 336        case CX2072X_DAC1_EAPD_ENABLE:
 337        case CX2072X_DAC2_CONVERTER_FORMAT:
 338        case CX2072X_DAC2_AMP_GAIN_RIGHT:
 339        case CX2072X_DAC2_AMP_GAIN_LEFT:
 340        case CX2072X_DAC2_POWER_STATE:
 341        case CX2072X_DAC2_CONVERTER_STREAM_CHANNEL:
 342        case CX2072X_ADC1_CONVERTER_FORMAT:
 343        case CX2072X_ADC1_AMP_GAIN_RIGHT_0:
 344        case CX2072X_ADC1_AMP_GAIN_LEFT_0:
 345        case CX2072X_ADC1_AMP_GAIN_RIGHT_1:
 346        case CX2072X_ADC1_AMP_GAIN_LEFT_1:
 347        case CX2072X_ADC1_AMP_GAIN_RIGHT_2:
 348        case CX2072X_ADC1_AMP_GAIN_LEFT_2:
 349        case CX2072X_ADC1_AMP_GAIN_RIGHT_3:
 350        case CX2072X_ADC1_AMP_GAIN_LEFT_3:
 351        case CX2072X_ADC1_AMP_GAIN_RIGHT_4:
 352        case CX2072X_ADC1_AMP_GAIN_LEFT_4:
 353        case CX2072X_ADC1_AMP_GAIN_RIGHT_5:
 354        case CX2072X_ADC1_AMP_GAIN_LEFT_5:
 355        case CX2072X_ADC1_AMP_GAIN_RIGHT_6:
 356        case CX2072X_ADC1_AMP_GAIN_LEFT_6:
 357        case CX2072X_ADC1_CONNECTION_SELECT_CONTROL:
 358        case CX2072X_ADC1_POWER_STATE:
 359        case CX2072X_ADC1_CONVERTER_STREAM_CHANNEL:
 360        case CX2072X_ADC2_CONVERTER_FORMAT:
 361        case CX2072X_ADC2_AMP_GAIN_RIGHT_0:
 362        case CX2072X_ADC2_AMP_GAIN_LEFT_0:
 363        case CX2072X_ADC2_AMP_GAIN_RIGHT_1:
 364        case CX2072X_ADC2_AMP_GAIN_LEFT_1:
 365        case CX2072X_ADC2_AMP_GAIN_RIGHT_2:
 366        case CX2072X_ADC2_AMP_GAIN_LEFT_2:
 367        case CX2072X_ADC2_CONNECTION_SELECT_CONTROL:
 368        case CX2072X_ADC2_POWER_STATE:
 369        case CX2072X_ADC2_CONVERTER_STREAM_CHANNEL:
 370        case CX2072X_PORTA_CONNECTION_SELECT_CTRL:
 371        case CX2072X_PORTA_POWER_STATE:
 372        case CX2072X_PORTA_PIN_CTRL:
 373        case CX2072X_PORTA_UNSOLICITED_RESPONSE:
 374        case CX2072X_PORTA_PIN_SENSE:
 375        case CX2072X_PORTA_EAPD_BTL:
 376        case CX2072X_PORTB_POWER_STATE:
 377        case CX2072X_PORTB_PIN_CTRL:
 378        case CX2072X_PORTB_UNSOLICITED_RESPONSE:
 379        case CX2072X_PORTB_PIN_SENSE:
 380        case CX2072X_PORTB_EAPD_BTL:
 381        case CX2072X_PORTB_GAIN_RIGHT:
 382        case CX2072X_PORTB_GAIN_LEFT:
 383        case CX2072X_PORTC_POWER_STATE:
 384        case CX2072X_PORTC_PIN_CTRL:
 385        case CX2072X_PORTC_GAIN_RIGHT:
 386        case CX2072X_PORTC_GAIN_LEFT:
 387        case CX2072X_PORTD_POWER_STATE:
 388        case CX2072X_PORTD_PIN_CTRL:
 389        case CX2072X_PORTD_UNSOLICITED_RESPONSE:
 390        case CX2072X_PORTD_PIN_SENSE:
 391        case CX2072X_PORTD_GAIN_RIGHT:
 392        case CX2072X_PORTD_GAIN_LEFT:
 393        case CX2072X_PORTE_CONNECTION_SELECT_CTRL:
 394        case CX2072X_PORTE_POWER_STATE:
 395        case CX2072X_PORTE_PIN_CTRL:
 396        case CX2072X_PORTE_UNSOLICITED_RESPONSE:
 397        case CX2072X_PORTE_PIN_SENSE:
 398        case CX2072X_PORTE_EAPD_BTL:
 399        case CX2072X_PORTE_GAIN_RIGHT:
 400        case CX2072X_PORTE_GAIN_LEFT:
 401        case CX2072X_PORTF_POWER_STATE:
 402        case CX2072X_PORTF_PIN_CTRL:
 403        case CX2072X_PORTF_UNSOLICITED_RESPONSE:
 404        case CX2072X_PORTF_PIN_SENSE:
 405        case CX2072X_PORTF_GAIN_RIGHT:
 406        case CX2072X_PORTF_GAIN_LEFT:
 407        case CX2072X_PORTG_POWER_STATE:
 408        case CX2072X_PORTG_PIN_CTRL:
 409        case CX2072X_PORTG_CONNECTION_SELECT_CTRL:
 410        case CX2072X_PORTG_EAPD_BTL:
 411        case CX2072X_PORTM_POWER_STATE:
 412        case CX2072X_PORTM_PIN_CTRL:
 413        case CX2072X_PORTM_CONNECTION_SELECT_CTRL:
 414        case CX2072X_PORTM_EAPD_BTL:
 415        case CX2072X_MIXER_POWER_STATE:
 416        case CX2072X_MIXER_GAIN_RIGHT_0:
 417        case CX2072X_MIXER_GAIN_LEFT_0:
 418        case CX2072X_MIXER_GAIN_RIGHT_1:
 419        case CX2072X_MIXER_GAIN_LEFT_1:
 420        case CX2072X_EQ_ENABLE_BYPASS:
 421        case CX2072X_EQ_B0_COEFF:
 422        case CX2072X_EQ_B1_COEFF:
 423        case CX2072X_EQ_B2_COEFF:
 424        case CX2072X_EQ_A1_COEFF:
 425        case CX2072X_EQ_A2_COEFF:
 426        case CX2072X_EQ_G_COEFF:
 427        case CX2072X_SPKR_DRC_ENABLE_STEP:
 428        case CX2072X_SPKR_DRC_CONTROL:
 429        case CX2072X_SPKR_DRC_TEST:
 430        case CX2072X_DIGITAL_BIOS_TEST0:
 431        case CX2072X_DIGITAL_BIOS_TEST2:
 432        case CX2072X_I2SPCM_CONTROL1:
 433        case CX2072X_I2SPCM_CONTROL2:
 434        case CX2072X_I2SPCM_CONTROL3:
 435        case CX2072X_I2SPCM_CONTROL4:
 436        case CX2072X_I2SPCM_CONTROL5:
 437        case CX2072X_I2SPCM_CONTROL6:
 438        case CX2072X_UM_INTERRUPT_CRTL_E:
 439        case CX2072X_CODEC_TEST2:
 440        case CX2072X_CODEC_TEST9:
 441        case CX2072X_CODEC_TEST20:
 442        case CX2072X_CODEC_TEST26:
 443        case CX2072X_ANALOG_TEST4:
 444        case CX2072X_ANALOG_TEST5:
 445        case CX2072X_ANALOG_TEST6:
 446        case CX2072X_ANALOG_TEST7:
 447        case CX2072X_ANALOG_TEST8:
 448        case CX2072X_ANALOG_TEST9:
 449        case CX2072X_ANALOG_TEST10:
 450        case CX2072X_ANALOG_TEST11:
 451        case CX2072X_ANALOG_TEST12:
 452        case CX2072X_ANALOG_TEST13:
 453        case CX2072X_DIGITAL_TEST0:
 454        case CX2072X_DIGITAL_TEST1:
 455        case CX2072X_DIGITAL_TEST11:
 456        case CX2072X_DIGITAL_TEST12:
 457        case CX2072X_DIGITAL_TEST15:
 458        case CX2072X_DIGITAL_TEST16:
 459        case CX2072X_DIGITAL_TEST17:
 460        case CX2072X_DIGITAL_TEST18:
 461        case CX2072X_DIGITAL_TEST19:
 462        case CX2072X_DIGITAL_TEST20:
 463                return true;
 464        default:
 465                return false;
 466        }
 467}
 468
 469static bool cx2072x_volatile_register(struct device *dev, unsigned int reg)
 470{
 471        switch (reg) {
 472        case CX2072X_VENDOR_ID:
 473        case CX2072X_REVISION_ID:
 474        case CX2072X_UM_INTERRUPT_CRTL_E:
 475        case CX2072X_DIGITAL_TEST11:
 476        case CX2072X_PORTA_PIN_SENSE:
 477        case CX2072X_PORTB_PIN_SENSE:
 478        case CX2072X_PORTD_PIN_SENSE:
 479        case CX2072X_PORTE_PIN_SENSE:
 480        case CX2072X_PORTF_PIN_SENSE:
 481        case CX2072X_EQ_G_COEFF:
 482        case CX2072X_EQ_BAND:
 483                return true;
 484        default:
 485                return false;
 486        }
 487}
 488
 489static int cx2072x_reg_raw_write(struct i2c_client *client,
 490                                 unsigned int reg,
 491                                 const void *val, size_t val_count)
 492{
 493        struct device *dev = &client->dev;
 494        u8 buf[2 + CX2072X_MAX_EQ_COEFF];
 495        int ret;
 496
 497        if (WARN_ON(val_count + 2 > sizeof(buf)))
 498                return -EINVAL;
 499
 500        buf[0] = reg >> 8;
 501        buf[1] = reg & 0xff;
 502
 503        memcpy(buf + 2, val, val_count);
 504
 505        ret = i2c_master_send(client, buf, val_count + 2);
 506        if (ret != val_count + 2) {
 507                dev_err(dev, "I2C write failed, ret = %d\n", ret);
 508                return ret < 0 ? ret : -EIO;
 509        }
 510        return 0;
 511}
 512
 513static int cx2072x_reg_write(void *context, unsigned int reg,
 514                             unsigned int value)
 515{
 516        __le32 raw_value;
 517        unsigned int size;
 518
 519        size = cx2072x_register_size(reg);
 520
 521        if (reg == CX2072X_UM_INTERRUPT_CRTL_E) {
 522                /* Update the MSB byte only */
 523                reg += 3;
 524                size = 1;
 525                value >>= 24;
 526        }
 527
 528        raw_value = cpu_to_le32(value);
 529        return cx2072x_reg_raw_write(context, reg, &raw_value, size);
 530}
 531
 532static int cx2072x_reg_read(void *context, unsigned int reg,
 533                            unsigned int *value)
 534{
 535        struct i2c_client *client = context;
 536        struct device *dev = &client->dev;
 537        __le32 recv_buf = 0;
 538        struct i2c_msg msgs[2];
 539        unsigned int size;
 540        u8 send_buf[2];
 541        int ret;
 542
 543        size = cx2072x_register_size(reg);
 544
 545        send_buf[0] = reg >> 8;
 546        send_buf[1] = reg & 0xff;
 547
 548        msgs[0].addr = client->addr;
 549        msgs[0].len = sizeof(send_buf);
 550        msgs[0].buf = send_buf;
 551        msgs[0].flags = 0;
 552
 553        msgs[1].addr = client->addr;
 554        msgs[1].len = size;
 555        msgs[1].buf = (u8 *)&recv_buf;
 556        msgs[1].flags = I2C_M_RD;
 557
 558        ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
 559        if (ret != ARRAY_SIZE(msgs)) {
 560                dev_err(dev, "Failed to read register, ret = %d\n", ret);
 561                return ret < 0 ? ret : -EIO;
 562        }
 563
 564        *value = le32_to_cpu(recv_buf);
 565        return 0;
 566}
 567
 568/* get suggested pre_div valuce from mclk frequency */
 569static unsigned int get_div_from_mclk(unsigned int mclk)
 570{
 571        unsigned int div = 8;
 572        int i;
 573
 574        for (i = 0; i < ARRAY_SIZE(mclk_pre_div); i++) {
 575                if (mclk <= mclk_pre_div[i].mclk) {
 576                        div = mclk_pre_div[i].div;
 577                        break;
 578                }
 579        }
 580        return div;
 581}
 582
 583static int cx2072x_config_pll(struct cx2072x_priv *cx2072x)
 584{
 585        struct device *dev = cx2072x->dev;
 586        unsigned int pre_div;
 587        unsigned int pre_div_val;
 588        unsigned int pll_input;
 589        unsigned int pll_output;
 590        unsigned int int_div;
 591        unsigned int frac_div;
 592        u64 frac_num;
 593        unsigned int frac;
 594        unsigned int sample_rate = cx2072x->sample_rate;
 595        int pt_sample_per_sync = 2;
 596        int pt_clock_per_sample = 96;
 597
 598        switch (sample_rate) {
 599        case 48000:
 600        case 32000:
 601        case 24000:
 602        case 16000:
 603                break;
 604
 605        case 96000:
 606                pt_sample_per_sync = 1;
 607                pt_clock_per_sample = 48;
 608                break;
 609
 610        case 192000:
 611                pt_sample_per_sync = 0;
 612                pt_clock_per_sample = 24;
 613                break;
 614
 615        default:
 616                dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
 617                return -EINVAL;
 618        }
 619
 620        /* Configure PLL settings */
 621        pre_div = get_div_from_mclk(cx2072x->mclk_rate);
 622        pll_input = cx2072x->mclk_rate / pre_div;
 623        pll_output = sample_rate * 3072;
 624        int_div = pll_output / pll_input;
 625        frac_div = pll_output - (int_div * pll_input);
 626
 627        if (frac_div) {
 628                frac_div *= 1000;
 629                frac_div /= pll_input;
 630                frac_num = (u64)(4000 + frac_div) * ((1 << 20) - 4);
 631                do_div(frac_num, 7);
 632                frac = ((u32)frac_num + 499) / 1000;
 633        }
 634        pre_div_val = (pre_div - 1) * 2;
 635
 636        regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST4,
 637                     0x40 | (pre_div_val << 8));
 638        if (frac_div == 0) {
 639                /* Int mode */
 640                regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 0x100);
 641        } else {
 642                /* frac mode */
 643                regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST6,
 644                             frac & 0xfff);
 645                regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7,
 646                             (u8)(frac >> 12));
 647        }
 648
 649        int_div--;
 650        regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST8, int_div);
 651
 652        /* configure PLL tracking */
 653        if (frac_div == 0) {
 654                /* disable PLL tracking */
 655                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 0x00);
 656        } else {
 657                /* configure and enable PLL tracking */
 658                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
 659                             (pt_sample_per_sync << 4) & 0xf0);
 660                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST17,
 661                             pt_clock_per_sample);
 662                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST18,
 663                             pt_clock_per_sample * 3 / 2);
 664                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST19, 0x01);
 665                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST20, 0x02);
 666                regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
 667                                   0x01, 0x01);
 668        }
 669
 670        return 0;
 671}
 672
 673static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x)
 674{
 675        struct device *dev = cx2072x->dev;
 676        unsigned int bclk_rate = 0;
 677        int is_i2s = 0;
 678        int has_one_bit_delay = 0;
 679        int is_frame_inv = 0;
 680        int is_bclk_inv = 0;
 681        int pulse_len;
 682        int frame_len = cx2072x->frame_size;
 683        int sample_size = cx2072x->sample_size;
 684        int i2s_right_slot;
 685        int i2s_right_pause_interval = 0;
 686        int i2s_right_pause_pos;
 687        int is_big_endian = 1;
 688        u64 div;
 689        unsigned int mod;
 690        union cx2072x_reg_i2spcm_ctrl_reg1 reg1;
 691        union cx2072x_reg_i2spcm_ctrl_reg2 reg2;
 692        union cx2072x_reg_i2spcm_ctrl_reg3 reg3;
 693        union cx2072x_reg_i2spcm_ctrl_reg4 reg4;
 694        union cx2072x_reg_i2spcm_ctrl_reg5 reg5;
 695        union cx2072x_reg_i2spcm_ctrl_reg6 reg6;
 696        union cx2072x_reg_digital_bios_test2 regdbt2;
 697        const unsigned int fmt = cx2072x->dai_fmt;
 698
 699        if (frame_len <= 0) {
 700                dev_err(dev, "Incorrect frame len %d\n", frame_len);
 701                return -EINVAL;
 702        }
 703
 704        if (sample_size <= 0) {
 705                dev_err(dev, "Incorrect sample size %d\n", sample_size);
 706                return -EINVAL;
 707        }
 708
 709        dev_dbg(dev, "config_i2spcm set_dai_fmt- %08x\n", fmt);
 710
 711        regdbt2.ulval = 0xac;
 712
 713        /* set master/slave */
 714        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 715        case SND_SOC_DAIFMT_CBM_CFM:
 716                reg2.r.tx_master = 1;
 717                reg3.r.rx_master = 1;
 718                dev_dbg(dev, "Sets Master mode\n");
 719                break;
 720
 721        case SND_SOC_DAIFMT_CBS_CFS:
 722                reg2.r.tx_master = 0;
 723                reg3.r.rx_master = 0;
 724                dev_dbg(dev, "Sets Slave mode\n");
 725                break;
 726
 727        default:
 728                dev_err(dev, "Unsupported DAI master mode\n");
 729                return -EINVAL;
 730        }
 731
 732        /* set format */
 733        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 734        case SND_SOC_DAIFMT_I2S:
 735                is_i2s = 1;
 736                has_one_bit_delay = 1;
 737                pulse_len = frame_len / 2;
 738                break;
 739
 740        case SND_SOC_DAIFMT_RIGHT_J:
 741                is_i2s = 1;
 742                pulse_len = frame_len / 2;
 743                break;
 744
 745        case SND_SOC_DAIFMT_LEFT_J:
 746                is_i2s = 1;
 747                pulse_len = frame_len / 2;
 748                break;
 749
 750        default:
 751                dev_err(dev, "Unsupported DAI format\n");
 752                return -EINVAL;
 753        }
 754
 755        /* clock inversion */
 756        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 757        case SND_SOC_DAIFMT_NB_NF:
 758                is_frame_inv = is_i2s;
 759                is_bclk_inv = is_i2s;
 760                break;
 761
 762        case SND_SOC_DAIFMT_IB_IF:
 763                is_frame_inv = !is_i2s;
 764                is_bclk_inv = !is_i2s;
 765                break;
 766
 767        case SND_SOC_DAIFMT_IB_NF:
 768                is_frame_inv = is_i2s;
 769                is_bclk_inv = !is_i2s;
 770                break;
 771
 772        case SND_SOC_DAIFMT_NB_IF:
 773                is_frame_inv = !is_i2s;
 774                is_bclk_inv = is_i2s;
 775                break;
 776
 777        default:
 778                dev_err(dev, "Unsupported DAI clock inversion\n");
 779                return -EINVAL;
 780        }
 781
 782        reg1.r.rx_data_one_line = 1;
 783        reg1.r.tx_data_one_line = 1;
 784
 785        if (is_i2s) {
 786                i2s_right_slot = (frame_len / 2) / BITS_PER_SLOT;
 787                i2s_right_pause_interval = (frame_len / 2) % BITS_PER_SLOT;
 788                i2s_right_pause_pos = i2s_right_slot * BITS_PER_SLOT;
 789        }
 790
 791        reg1.r.rx_ws_pol = is_frame_inv;
 792        reg1.r.rx_ws_wid = pulse_len - 1;
 793
 794        reg1.r.rx_frm_len = frame_len / BITS_PER_SLOT - 1;
 795        reg1.r.rx_sa_size = (sample_size / BITS_PER_SLOT) - 1;
 796
 797        reg1.r.tx_ws_pol = reg1.r.rx_ws_pol;
 798        reg1.r.tx_ws_wid = pulse_len - 1;
 799        reg1.r.tx_frm_len = reg1.r.rx_frm_len;
 800        reg1.r.tx_sa_size = reg1.r.rx_sa_size;
 801
 802        reg2.r.tx_endian_sel = !is_big_endian;
 803        reg2.r.tx_dstart_dly = has_one_bit_delay;
 804        if (cx2072x->en_aec_ref)
 805                reg2.r.tx_dstart_dly = 0;
 806
 807        reg3.r.rx_endian_sel = !is_big_endian;
 808        reg3.r.rx_dstart_dly = has_one_bit_delay;
 809
 810        reg4.ulval = 0;
 811
 812        if (is_i2s) {
 813                reg2.r.tx_slot_1 = 0;
 814                reg2.r.tx_slot_2 = i2s_right_slot;
 815                reg3.r.rx_slot_1 = 0;
 816                if (cx2072x->en_aec_ref)
 817                        reg3.r.rx_slot_2 = 0;
 818                else
 819                        reg3.r.rx_slot_2 = i2s_right_slot;
 820                reg6.r.rx_pause_start_pos = i2s_right_pause_pos;
 821                reg6.r.rx_pause_cycles = i2s_right_pause_interval;
 822                reg6.r.tx_pause_start_pos = i2s_right_pause_pos;
 823                reg6.r.tx_pause_cycles = i2s_right_pause_interval;
 824        } else {
 825                dev_err(dev, "TDM mode is not implemented yet\n");
 826                return -EINVAL;
 827        }
 828        regdbt2.r.i2s_bclk_invert = is_bclk_inv;
 829
 830        reg1.r.rx_data_one_line = 1;
 831        reg1.r.tx_data_one_line = 1;
 832
 833        /* Configures the BCLK output */
 834        bclk_rate = cx2072x->sample_rate * frame_len;
 835        reg5.r.i2s_pcm_clk_div_chan_en = 0;
 836
 837        /* Disables bclk output before setting new value */
 838        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, 0);
 839
 840        if (reg2.r.tx_master) {
 841                /* Configures BCLK rate */
 842                div = PLL_OUT_HZ_48;
 843                mod = do_div(div, bclk_rate);
 844                if (mod) {
 845                        dev_err(dev, "Unsupported BCLK %dHz\n", bclk_rate);
 846                        return -EINVAL;
 847                }
 848                dev_dbg(dev, "enables BCLK %dHz output\n", bclk_rate);
 849                reg5.r.i2s_pcm_clk_div = (u32)div - 1;
 850                reg5.r.i2s_pcm_clk_div_chan_en = 1;
 851        }
 852
 853        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL1, reg1.ulval);
 854        regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL2, 0xffffffc0,
 855                           reg2.ulval);
 856        regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL3, 0xffffffc0,
 857                           reg3.ulval);
 858        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL4, reg4.ulval);
 859        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL6, reg6.ulval);
 860        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, reg5.ulval);
 861
 862        regmap_write(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
 863                     regdbt2.ulval);
 864
 865        return 0;
 866}
 867
 868static int afg_power_ev(struct snd_soc_dapm_widget *w,
 869                        struct snd_kcontrol *kcontrol, int event)
 870{
 871        struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
 872        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 873
 874        switch (event) {
 875        case SND_SOC_DAPM_POST_PMU:
 876                regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
 877                                   0x00, 0x10);
 878                break;
 879
 880        case SND_SOC_DAPM_PRE_PMD:
 881                regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
 882                                   0x10, 0x10);
 883                break;
 884        }
 885
 886        return 0;
 887}
 888
 889static const struct snd_kcontrol_new cx2072x_snd_controls[] = {
 890        SOC_DOUBLE_R_TLV("PortD Boost Volume", CX2072X_PORTD_GAIN_LEFT,
 891                         CX2072X_PORTD_GAIN_RIGHT, 0, 3, 0, boost_tlv),
 892        SOC_DOUBLE_R_TLV("PortC Boost Volume", CX2072X_PORTC_GAIN_LEFT,
 893                         CX2072X_PORTC_GAIN_RIGHT, 0, 3, 0, boost_tlv),
 894        SOC_DOUBLE_R_TLV("PortB Boost Volume", CX2072X_PORTB_GAIN_LEFT,
 895                         CX2072X_PORTB_GAIN_RIGHT, 0, 3, 0, boost_tlv),
 896        SOC_DOUBLE_R_TLV("PortD ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_1,
 897                         CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0, 0x4a, 0, adc_tlv),
 898        SOC_DOUBLE_R_TLV("PortC ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_2,
 899                         CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0, 0x4a, 0, adc_tlv),
 900        SOC_DOUBLE_R_TLV("PortB ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_0,
 901                         CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0, 0x4a, 0, adc_tlv),
 902        SOC_DOUBLE_R_TLV("DAC1 Volume", CX2072X_DAC1_AMP_GAIN_LEFT,
 903                         CX2072X_DAC1_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
 904        SOC_DOUBLE_R("DAC1 Switch", CX2072X_DAC1_AMP_GAIN_LEFT,
 905                     CX2072X_DAC1_AMP_GAIN_RIGHT, 7,  1, 0),
 906        SOC_DOUBLE_R_TLV("DAC2 Volume", CX2072X_DAC2_AMP_GAIN_LEFT,
 907                         CX2072X_DAC2_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
 908        SOC_SINGLE_TLV("HPF Freq", CX2072X_CODEC_TEST9, 0, 0x3f, 0, hpf_tlv),
 909        SOC_DOUBLE("HPF Switch", CX2072X_CODEC_TEST9, 8, 9, 1, 1),
 910        SOC_SINGLE("PortA HP Amp Switch", CX2072X_PORTA_PIN_CTRL, 7, 1, 0),
 911};
 912
 913static int cx2072x_hw_params(struct snd_pcm_substream *substream,
 914                             struct snd_pcm_hw_params *params,
 915                             struct snd_soc_dai *dai)
 916{
 917        struct snd_soc_component *codec = dai->component;
 918        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 919        struct device *dev = codec->dev;
 920        const unsigned int sample_rate = params_rate(params);
 921        int sample_size, frame_size;
 922
 923        /* Data sizes if not using TDM */
 924        sample_size = params_width(params);
 925
 926        if (sample_size < 0)
 927                return sample_size;
 928
 929        frame_size = snd_soc_params_to_frame_size(params);
 930        if (frame_size < 0)
 931                return frame_size;
 932
 933        if (cx2072x->mclk_rate == 0) {
 934                dev_err(dev, "Master clock rate is not configured\n");
 935                return -EINVAL;
 936        }
 937
 938        if (cx2072x->bclk_ratio)
 939                frame_size = cx2072x->bclk_ratio;
 940
 941        switch (sample_rate) {
 942        case 48000:
 943        case 32000:
 944        case 24000:
 945        case 16000:
 946        case 96000:
 947        case 192000:
 948                break;
 949
 950        default:
 951                dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
 952                return -EINVAL;
 953        }
 954
 955        dev_dbg(dev, "Sample size %d bits, frame = %d bits, rate = %d Hz\n",
 956                sample_size, frame_size, sample_rate);
 957
 958        cx2072x->frame_size = frame_size;
 959        cx2072x->sample_size = sample_size;
 960        cx2072x->sample_rate = sample_rate;
 961
 962        if (dai->id == CX2072X_DAI_DSP) {
 963                cx2072x->en_aec_ref = true;
 964                dev_dbg(cx2072x->dev, "enables aec reference\n");
 965                regmap_write(cx2072x->regmap,
 966                             CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 3);
 967        }
 968
 969        if (cx2072x->pll_changed) {
 970                cx2072x_config_pll(cx2072x);
 971                cx2072x->pll_changed = false;
 972        }
 973
 974        if (cx2072x->i2spcm_changed) {
 975                cx2072x_config_i2spcm(cx2072x);
 976                cx2072x->i2spcm_changed = false;
 977        }
 978
 979        return 0;
 980}
 981
 982static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai,
 983                                      unsigned int ratio)
 984{
 985        struct snd_soc_component *codec = dai->component;
 986        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 987
 988        cx2072x->bclk_ratio = ratio;
 989        return 0;
 990}
 991
 992static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 993                                  unsigned int freq, int dir)
 994{
 995        struct snd_soc_component *codec = dai->component;
 996        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 997
 998        if (clk_set_rate(cx2072x->mclk, freq)) {
 999                dev_err(codec->dev, "set clk rate failed\n");
1000                return -EINVAL;
1001        }
1002
1003        cx2072x->mclk_rate = freq;
1004        return 0;
1005}
1006
1007static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1008{
1009        struct snd_soc_component *codec = dai->component;
1010        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1011        struct device *dev = codec->dev;
1012
1013        dev_dbg(dev, "set_dai_fmt- %08x\n", fmt);
1014        /* set master/slave */
1015        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1016        case SND_SOC_DAIFMT_CBM_CFM:
1017        case SND_SOC_DAIFMT_CBS_CFS:
1018                break;
1019
1020        default:
1021                dev_err(dev, "Unsupported DAI master mode\n");
1022                return -EINVAL;
1023        }
1024
1025        /* set format */
1026        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1027        case SND_SOC_DAIFMT_I2S:
1028        case SND_SOC_DAIFMT_RIGHT_J:
1029        case SND_SOC_DAIFMT_LEFT_J:
1030                break;
1031
1032        default:
1033                dev_err(dev, "Unsupported DAI format\n");
1034                return -EINVAL;
1035        }
1036
1037        /* clock inversion */
1038        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1039        case SND_SOC_DAIFMT_NB_NF:
1040        case SND_SOC_DAIFMT_IB_IF:
1041        case SND_SOC_DAIFMT_IB_NF:
1042        case SND_SOC_DAIFMT_NB_IF:
1043                break;
1044
1045        default:
1046                dev_err(dev, "Unsupported DAI clock inversion\n");
1047                return -EINVAL;
1048        }
1049
1050        cx2072x->dai_fmt = fmt;
1051        return 0;
1052}
1053
1054static const struct snd_kcontrol_new portaouten_ctl =
1055        SOC_DAPM_SINGLE("Switch", CX2072X_PORTA_PIN_CTRL, 6, 1, 0);
1056
1057static const struct snd_kcontrol_new porteouten_ctl =
1058        SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 6, 1, 0);
1059
1060static const struct snd_kcontrol_new portgouten_ctl =
1061        SOC_DAPM_SINGLE("Switch", CX2072X_PORTG_PIN_CTRL, 6, 1, 0);
1062
1063static const struct snd_kcontrol_new portmouten_ctl =
1064        SOC_DAPM_SINGLE("Switch", CX2072X_PORTM_PIN_CTRL, 6, 1, 0);
1065
1066static const struct snd_kcontrol_new portbinen_ctl =
1067        SOC_DAPM_SINGLE("Switch", CX2072X_PORTB_PIN_CTRL, 5, 1, 0);
1068
1069static const struct snd_kcontrol_new portcinen_ctl =
1070        SOC_DAPM_SINGLE("Switch", CX2072X_PORTC_PIN_CTRL, 5, 1, 0);
1071
1072static const struct snd_kcontrol_new portdinen_ctl =
1073        SOC_DAPM_SINGLE("Switch", CX2072X_PORTD_PIN_CTRL, 5, 1, 0);
1074
1075static const struct snd_kcontrol_new porteinen_ctl =
1076        SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 5, 1, 0);
1077
1078static const struct snd_kcontrol_new i2sadc1l_ctl =
1079        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 0, 1, 0);
1080
1081static const struct snd_kcontrol_new i2sadc1r_ctl =
1082        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 1, 1, 0);
1083
1084static const struct snd_kcontrol_new i2sadc2l_ctl =
1085        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 2, 1, 0);
1086
1087static const struct snd_kcontrol_new i2sadc2r_ctl =
1088        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 3, 1, 0);
1089
1090static const struct snd_kcontrol_new i2sdac1l_ctl =
1091        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 0, 1, 0);
1092
1093static const struct snd_kcontrol_new i2sdac1r_ctl =
1094        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 1, 1, 0);
1095
1096static const struct snd_kcontrol_new i2sdac2l_ctl =
1097        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 2, 1, 0);
1098
1099static const struct snd_kcontrol_new i2sdac2r_ctl =
1100        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 3, 1, 0);
1101
1102static const char * const dac_enum_text[] = {
1103        "DAC1 Switch", "DAC2 Switch",
1104};
1105
1106static const struct soc_enum porta_dac_enum =
1107SOC_ENUM_SINGLE(CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1108
1109static const struct snd_kcontrol_new porta_mux =
1110SOC_DAPM_ENUM("PortA Mux", porta_dac_enum);
1111
1112static const struct soc_enum portg_dac_enum =
1113SOC_ENUM_SINGLE(CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1114
1115static const struct snd_kcontrol_new portg_mux =
1116SOC_DAPM_ENUM("PortG Mux", portg_dac_enum);
1117
1118static const struct soc_enum porte_dac_enum =
1119SOC_ENUM_SINGLE(CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1120
1121static const struct snd_kcontrol_new porte_mux =
1122SOC_DAPM_ENUM("PortE Mux", porte_dac_enum);
1123
1124static const struct soc_enum portm_dac_enum =
1125SOC_ENUM_SINGLE(CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1126
1127static const struct snd_kcontrol_new portm_mux =
1128SOC_DAPM_ENUM("PortM Mux", portm_dac_enum);
1129
1130static const char * const adc1in_sel_text[] = {
1131        "PortB Switch", "PortD Switch", "PortC Switch", "Widget15 Switch",
1132        "PortE Switch", "PortF Switch", "PortH Switch"
1133};
1134
1135static const struct soc_enum adc1in_sel_enum =
1136SOC_ENUM_SINGLE(CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0, 7, adc1in_sel_text);
1137
1138static const struct snd_kcontrol_new adc1_mux =
1139SOC_DAPM_ENUM("ADC1 Mux", adc1in_sel_enum);
1140
1141static const char * const adc2in_sel_text[] = {
1142        "PortC Switch", "Widget15 Switch", "PortH Switch"
1143};
1144
1145static const struct soc_enum adc2in_sel_enum =
1146SOC_ENUM_SINGLE(CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0, 3, adc2in_sel_text);
1147
1148static const struct snd_kcontrol_new adc2_mux =
1149SOC_DAPM_ENUM("ADC2 Mux", adc2in_sel_enum);
1150
1151static const struct snd_kcontrol_new wid15_mix[] = {
1152        SOC_DAPM_SINGLE("DAC1L Switch", CX2072X_MIXER_GAIN_LEFT_0, 7, 1, 1),
1153        SOC_DAPM_SINGLE("DAC1R Switch", CX2072X_MIXER_GAIN_RIGHT_0, 7, 1, 1),
1154        SOC_DAPM_SINGLE("DAC2L Switch", CX2072X_MIXER_GAIN_LEFT_1, 7, 1, 1),
1155        SOC_DAPM_SINGLE("DAC2R Switch", CX2072X_MIXER_GAIN_RIGHT_1, 7, 1, 1),
1156};
1157
1158#define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask,  won_val, \
1159        woff_val, wevent, wflags) \
1160        {.id = snd_soc_dapm_supply, .name = wname, .kcontrol_news = NULL, \
1161        .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1162        .on_val = won_val, .off_val = woff_val, \
1163        .subseq = wsubseq, .event = wevent, .event_flags = wflags}
1164
1165#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
1166        wevent, wflags) \
1167        {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
1168        .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1169        .on_val = won_val, .off_val = woff_val, \
1170        .event = wevent, .event_flags = wflags}
1171
1172#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
1173        wevent, wflags) \
1174        {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
1175        .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1176        .on_val = won_val, .off_val = woff_val, \
1177        .event = wevent, .event_flags = wflags}
1178
1179#define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \
1180                                wevent, wflags) \
1181        {.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
1182        .reg = wreg, .shift = wshift, .mask = wmask, \
1183        .on_val = won_val, .off_val = woff_val, \
1184        .event = wevent, .event_flags = wflags}
1185
1186static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = {
1187        /*Playback*/
1188        SND_SOC_DAPM_AIF_IN("In AIF", "Playback", 0, SND_SOC_NOPM, 0, 0),
1189
1190        SND_SOC_DAPM_SWITCH("I2S DAC1L", SND_SOC_NOPM, 0, 0, &i2sdac1l_ctl),
1191        SND_SOC_DAPM_SWITCH("I2S DAC1R", SND_SOC_NOPM, 0, 0, &i2sdac1r_ctl),
1192        SND_SOC_DAPM_SWITCH("I2S DAC2L", SND_SOC_NOPM, 0, 0, &i2sdac2l_ctl),
1193        SND_SOC_DAPM_SWITCH("I2S DAC2R", SND_SOC_NOPM, 0, 0, &i2sdac2r_ctl),
1194
1195        SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC1", CX2072X_DAC1_POWER_STATE,
1196                         0, 0xfff, 0x00, 0x03),
1197
1198        SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC2", CX2072X_DAC2_POWER_STATE,
1199                         0, 0xfff, 0x00, 0x03),
1200
1201        SND_SOC_DAPM_MUX("PortA Mux", SND_SOC_NOPM, 0, 0, &porta_mux),
1202        SND_SOC_DAPM_MUX("PortG Mux", SND_SOC_NOPM, 0, 0, &portg_mux),
1203        SND_SOC_DAPM_MUX("PortE Mux", SND_SOC_NOPM, 0, 0, &porte_mux),
1204        SND_SOC_DAPM_MUX("PortM Mux", SND_SOC_NOPM, 0, 0, &portm_mux),
1205
1206        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortA Power",
1207                         CX2072X_PORTA_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1208
1209        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortM Power",
1210                         CX2072X_PORTM_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1211
1212        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortG Power",
1213                         CX2072X_PORTG_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1214
1215        CX2072X_DAPM_SUPPLY_S("AFG Power", 0, CX2072X_AFG_POWER_STATE,
1216                              0, 0xfff, 0x00, 0x03, afg_power_ev,
1217                              SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1218
1219        SND_SOC_DAPM_SWITCH("PortA Out En", SND_SOC_NOPM, 0, 0,
1220                            &portaouten_ctl),
1221        SND_SOC_DAPM_SWITCH("PortE Out En", SND_SOC_NOPM, 0, 0,
1222                            &porteouten_ctl),
1223        SND_SOC_DAPM_SWITCH("PortG Out En", SND_SOC_NOPM, 0, 0,
1224                            &portgouten_ctl),
1225        SND_SOC_DAPM_SWITCH("PortM Out En", SND_SOC_NOPM, 0, 0,
1226                            &portmouten_ctl),
1227
1228        SND_SOC_DAPM_OUTPUT("PORTA"),
1229        SND_SOC_DAPM_OUTPUT("PORTG"),
1230        SND_SOC_DAPM_OUTPUT("PORTE"),
1231        SND_SOC_DAPM_OUTPUT("PORTM"),
1232        SND_SOC_DAPM_OUTPUT("AEC REF"),
1233
1234        /*Capture*/
1235        SND_SOC_DAPM_AIF_OUT("Out AIF", "Capture", 0, SND_SOC_NOPM, 0, 0),
1236
1237        SND_SOC_DAPM_SWITCH("I2S ADC1L", SND_SOC_NOPM, 0, 0, &i2sadc1l_ctl),
1238        SND_SOC_DAPM_SWITCH("I2S ADC1R", SND_SOC_NOPM, 0, 0, &i2sadc1r_ctl),
1239        SND_SOC_DAPM_SWITCH("I2S ADC2L", SND_SOC_NOPM, 0, 0, &i2sadc2l_ctl),
1240        SND_SOC_DAPM_SWITCH("I2S ADC2R", SND_SOC_NOPM, 0, 0, &i2sadc2r_ctl),
1241
1242        SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC1", CX2072X_ADC1_POWER_STATE,
1243                         0, 0xff, 0x00, 0x03),
1244        SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC2", CX2072X_ADC2_POWER_STATE,
1245                         0, 0xff, 0x00, 0x03),
1246
1247        SND_SOC_DAPM_MUX("ADC1 Mux", SND_SOC_NOPM, 0, 0, &adc1_mux),
1248        SND_SOC_DAPM_MUX("ADC2 Mux", SND_SOC_NOPM, 0, 0, &adc2_mux),
1249
1250        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortB Power",
1251                         CX2072X_PORTB_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1252        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortC Power",
1253                         CX2072X_PORTC_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1254        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortD Power",
1255                         CX2072X_PORTD_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1256        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortE Power",
1257                         CX2072X_PORTE_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1258        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Widget15 Power",
1259                         CX2072X_MIXER_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1260
1261        SND_SOC_DAPM_MIXER("Widget15 Mixer", SND_SOC_NOPM, 0, 0,
1262                           wid15_mix, ARRAY_SIZE(wid15_mix)),
1263        SND_SOC_DAPM_SWITCH("PortB In En", SND_SOC_NOPM, 0, 0, &portbinen_ctl),
1264        SND_SOC_DAPM_SWITCH("PortC In En", SND_SOC_NOPM, 0, 0, &portcinen_ctl),
1265        SND_SOC_DAPM_SWITCH("PortD In En", SND_SOC_NOPM, 0, 0, &portdinen_ctl),
1266        SND_SOC_DAPM_SWITCH("PortE In En", SND_SOC_NOPM, 0, 0, &porteinen_ctl),
1267
1268        SND_SOC_DAPM_MICBIAS("Headset Bias", CX2072X_ANALOG_TEST11, 1, 0),
1269        SND_SOC_DAPM_MICBIAS("PortB Mic Bias", CX2072X_PORTB_PIN_CTRL, 2, 0),
1270        SND_SOC_DAPM_MICBIAS("PortD Mic Bias", CX2072X_PORTD_PIN_CTRL, 2, 0),
1271        SND_SOC_DAPM_MICBIAS("PortE Mic Bias", CX2072X_PORTE_PIN_CTRL, 2, 0),
1272        SND_SOC_DAPM_INPUT("PORTB"),
1273        SND_SOC_DAPM_INPUT("PORTC"),
1274        SND_SOC_DAPM_INPUT("PORTD"),
1275        SND_SOC_DAPM_INPUT("PORTEIN"),
1276
1277};
1278
1279static const struct snd_soc_dapm_route cx2072x_intercon[] = {
1280        /* Playback */
1281        {"In AIF", NULL, "AFG Power"},
1282        {"I2S DAC1L", "Switch", "In AIF"},
1283        {"I2S DAC1R", "Switch", "In AIF"},
1284        {"I2S DAC2L", "Switch", "In AIF"},
1285        {"I2S DAC2R", "Switch", "In AIF"},
1286        {"DAC1", NULL, "I2S DAC1L"},
1287        {"DAC1", NULL, "I2S DAC1R"},
1288        {"DAC2", NULL, "I2S DAC2L"},
1289        {"DAC2", NULL, "I2S DAC2R"},
1290        {"PortA Mux", "DAC1 Switch", "DAC1"},
1291        {"PortA Mux", "DAC2 Switch", "DAC2"},
1292        {"PortG Mux", "DAC1 Switch", "DAC1"},
1293        {"PortG Mux", "DAC2 Switch", "DAC2"},
1294        {"PortE Mux", "DAC1 Switch", "DAC1"},
1295        {"PortE Mux", "DAC2 Switch", "DAC2"},
1296        {"PortM Mux", "DAC1 Switch", "DAC1"},
1297        {"PortM Mux", "DAC2 Switch", "DAC2"},
1298        {"Widget15 Mixer", "DAC1L Switch", "DAC1"},
1299        {"Widget15 Mixer", "DAC1R Switch", "DAC2"},
1300        {"Widget15 Mixer", "DAC2L Switch", "DAC1"},
1301        {"Widget15 Mixer", "DAC2R Switch", "DAC2"},
1302        {"Widget15 Mixer", NULL, "Widget15 Power"},
1303        {"PortA Out En", "Switch", "PortA Mux"},
1304        {"PortG Out En", "Switch", "PortG Mux"},
1305        {"PortE Out En", "Switch", "PortE Mux"},
1306        {"PortM Out En", "Switch", "PortM Mux"},
1307        {"PortA Mux", NULL, "PortA Power"},
1308        {"PortG Mux", NULL, "PortG Power"},
1309        {"PortE Mux", NULL, "PortE Power"},
1310        {"PortM Mux", NULL, "PortM Power"},
1311        {"PortA Out En", NULL, "PortA Power"},
1312        {"PortG Out En", NULL, "PortG Power"},
1313        {"PortE Out En", NULL, "PortE Power"},
1314        {"PortM Out En", NULL, "PortM Power"},
1315        {"PORTA", NULL, "PortA Out En"},
1316        {"PORTG", NULL, "PortG Out En"},
1317        {"PORTE", NULL, "PortE Out En"},
1318        {"PORTM", NULL, "PortM Out En"},
1319
1320        /* Capture */
1321        {"PORTD", NULL, "Headset Bias"},
1322        {"PortB In En", "Switch", "PORTB"},
1323        {"PortC In En", "Switch", "PORTC"},
1324        {"PortD In En", "Switch", "PORTD"},
1325        {"PortE In En", "Switch", "PORTEIN"},
1326        {"ADC1 Mux", "PortB Switch", "PortB In En"},
1327        {"ADC1 Mux", "PortC Switch", "PortC In En"},
1328        {"ADC1 Mux", "PortD Switch", "PortD In En"},
1329        {"ADC1 Mux", "PortE Switch", "PortE In En"},
1330        {"ADC1 Mux", "Widget15 Switch", "Widget15 Mixer"},
1331        {"ADC2 Mux", "PortC Switch", "PortC In En"},
1332        {"ADC2 Mux", "Widget15 Switch", "Widget15 Mixer"},
1333        {"ADC1", NULL, "ADC1 Mux"},
1334        {"ADC2", NULL, "ADC2 Mux"},
1335        {"I2S ADC1L", "Switch", "ADC1"},
1336        {"I2S ADC1R", "Switch", "ADC1"},
1337        {"I2S ADC2L", "Switch", "ADC2"},
1338        {"I2S ADC2R", "Switch", "ADC2"},
1339        {"Out AIF", NULL, "I2S ADC1L"},
1340        {"Out AIF", NULL, "I2S ADC1R"},
1341        {"Out AIF", NULL, "I2S ADC2L"},
1342        {"Out AIF", NULL, "I2S ADC2R"},
1343        {"Out AIF", NULL, "AFG Power"},
1344        {"AEC REF", NULL, "Out AIF"},
1345        {"PortB In En", NULL, "PortB Power"},
1346        {"PortC In En", NULL, "PortC Power"},
1347        {"PortD In En", NULL, "PortD Power"},
1348        {"PortE In En", NULL, "PortE Power"},
1349};
1350
1351static int cx2072x_set_bias_level(struct snd_soc_component *codec,
1352                                  enum snd_soc_bias_level level)
1353{
1354        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1355        const enum snd_soc_bias_level old_level =
1356                snd_soc_component_get_bias_level(codec);
1357
1358        if (level == SND_SOC_BIAS_STANDBY && old_level == SND_SOC_BIAS_OFF)
1359                regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
1360        else if (level == SND_SOC_BIAS_OFF && old_level != SND_SOC_BIAS_OFF)
1361                regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
1362
1363        return 0;
1364}
1365
1366/*
1367 * FIXME: the whole jack detection code below is pretty platform-specific;
1368 * it has lots of implicit assumptions about the pins, etc.
1369 * However, since we have no other code and reference, take this hard-coded
1370 * setup for now.  Once when we have different platform implementations,
1371 * this needs to be rewritten in a more generic form, or moving into the
1372 * platform data.
1373 */
1374static void cx2072x_enable_jack_detect(struct snd_soc_component *codec)
1375{
1376        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1377        struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec);
1378
1379        /* No-sticky input type */
1380        regmap_write(cx2072x->regmap, CX2072X_GPIO_STICKY_MASK, 0x1f);
1381
1382        /* Use GPOI0 as interrupt pin */
1383        regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
1384
1385        /* Enables unsolitited message on PortA */
1386        regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x80);
1387
1388        /* support both nokia and apple headset set. Monitor time = 275 ms */
1389        regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST15, 0x73);
1390
1391        /* Disable TIP detection */
1392        regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST12, 0x300);
1393
1394        /* Switch MusicD3Live pin to GPIO */
1395        regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST1, 0);
1396
1397        snd_soc_dapm_mutex_lock(dapm);
1398
1399        snd_soc_dapm_force_enable_pin_unlocked(dapm, "PORTD");
1400        snd_soc_dapm_force_enable_pin_unlocked(dapm, "Headset Bias");
1401        snd_soc_dapm_force_enable_pin_unlocked(dapm, "PortD Mic Bias");
1402
1403        snd_soc_dapm_mutex_unlock(dapm);
1404}
1405
1406static void cx2072x_disable_jack_detect(struct snd_soc_component *codec)
1407{
1408        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1409
1410        regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0);
1411        regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0);
1412}
1413
1414static int cx2072x_jack_status_check(void *data)
1415{
1416        struct snd_soc_component *codec = data;
1417        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1418        unsigned int jack;
1419        unsigned int type = 0;
1420        int state = 0;
1421
1422        mutex_lock(&cx2072x->lock);
1423
1424        regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack);
1425        jack = jack >> 24;
1426        regmap_read(cx2072x->regmap, CX2072X_DIGITAL_TEST11, &type);
1427
1428        if (jack == 0x80) {
1429                type = type >> 8;
1430
1431                if (type & 0x8) {
1432                        /* Apple headset */
1433                        state |= SND_JACK_HEADSET;
1434                        if (type & 0x2)
1435                                state |= SND_JACK_BTN_0;
1436                } else if (type & 0x4) {
1437                        /* Nokia headset */
1438                        state |= SND_JACK_HEADPHONE;
1439                } else {
1440                        /* Headphone */
1441                        state |= SND_JACK_HEADPHONE;
1442                }
1443        }
1444
1445        /* clear interrupt */
1446        regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
1447
1448        mutex_unlock(&cx2072x->lock);
1449
1450        dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n",
1451                type, state);
1452        return state;
1453}
1454
1455static const struct snd_soc_jack_gpio cx2072x_jack_gpio = {
1456        .name = "headset",
1457        .report = SND_JACK_HEADSET | SND_JACK_BTN_0,
1458        .debounce_time = 150,
1459        .wake = true,
1460        .jack_status_check = cx2072x_jack_status_check,
1461};
1462
1463static int cx2072x_set_jack(struct snd_soc_component *codec,
1464                            struct snd_soc_jack *jack, void *data)
1465{
1466        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1467        int err;
1468
1469        if (!jack) {
1470                cx2072x_disable_jack_detect(codec);
1471                return 0;
1472        }
1473
1474        if (!cx2072x->jack_gpio.gpiod_dev) {
1475                cx2072x->jack_gpio = cx2072x_jack_gpio;
1476                cx2072x->jack_gpio.gpiod_dev = codec->dev;
1477                cx2072x->jack_gpio.data = codec;
1478                err = snd_soc_jack_add_gpios(jack, 1, &cx2072x->jack_gpio);
1479                if (err) {
1480                        cx2072x->jack_gpio.gpiod_dev = NULL;
1481                        return err;
1482                }
1483        }
1484
1485        cx2072x_enable_jack_detect(codec);
1486        return 0;
1487}
1488
1489static int cx2072x_probe(struct snd_soc_component *codec)
1490{
1491        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1492
1493        cx2072x->codec = codec;
1494
1495        /*
1496         * FIXME: below is, again, a very platform-specific init sequence,
1497         * but we keep the code here just for simplicity.  It seems that all
1498         * existing hardware implementations require this, so there is no very
1499         * much reason to move this out of the codec driver to the platform
1500         * data.
1501         * But of course it's no "right" thing; if you are a good boy, don't
1502         * read and follow the code like this!
1503         */
1504        pm_runtime_get_sync(codec->dev);
1505        regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
1506
1507        regmap_multi_reg_write(cx2072x->regmap, cx2072x_reg_init,
1508                               ARRAY_SIZE(cx2072x_reg_init));
1509
1510        /* configure PortC as input device */
1511        regmap_update_bits(cx2072x->regmap, CX2072X_PORTC_PIN_CTRL,
1512                           0x20, 0x20);
1513
1514        regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
1515                           0x84, 0xff);
1516
1517        regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
1518        pm_runtime_put(codec->dev);
1519
1520        return 0;
1521}
1522
1523static const struct snd_soc_component_driver soc_codec_driver_cx2072x = {
1524        .probe = cx2072x_probe,
1525        .set_bias_level = cx2072x_set_bias_level,
1526        .set_jack = cx2072x_set_jack,
1527        .controls = cx2072x_snd_controls,
1528        .num_controls = ARRAY_SIZE(cx2072x_snd_controls),
1529        .dapm_widgets = cx2072x_dapm_widgets,
1530        .num_dapm_widgets = ARRAY_SIZE(cx2072x_dapm_widgets),
1531        .dapm_routes = cx2072x_intercon,
1532        .num_dapm_routes = ARRAY_SIZE(cx2072x_intercon),
1533};
1534
1535/*
1536 * DAI ops
1537 */
1538static struct snd_soc_dai_ops cx2072x_dai_ops = {
1539        .set_sysclk = cx2072x_set_dai_sysclk,
1540        .set_fmt = cx2072x_set_dai_fmt,
1541        .hw_params = cx2072x_hw_params,
1542        .set_bclk_ratio = cx2072x_set_dai_bclk_ratio,
1543};
1544
1545static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai)
1546{
1547        struct cx2072x_priv *cx2072x =
1548                snd_soc_component_get_drvdata(dai->component);
1549
1550        cx2072x->en_aec_ref = true;
1551        return 0;
1552}
1553
1554#define CX2072X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1555
1556static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = {
1557        { /* playback and capture */
1558                .name = "cx2072x-hifi",
1559                .id     = CX2072X_DAI_HIFI,
1560                .playback = {
1561                        .stream_name = "Playback",
1562                        .channels_min = 1,
1563                        .channels_max = 2,
1564                        .rates = CX2072X_RATES_DSP,
1565                        .formats = CX2072X_FORMATS,
1566                },
1567                .capture = {
1568                        .stream_name = "Capture",
1569                        .channels_min = 1,
1570                        .channels_max = 2,
1571                        .rates = CX2072X_RATES_DSP,
1572                        .formats = CX2072X_FORMATS,
1573                },
1574                .ops = &cx2072x_dai_ops,
1575                .symmetric_rates = 1,
1576        },
1577        { /* plabayck only, return echo reference to Conexant DSP chip */
1578                .name = "cx2072x-dsp",
1579                .id     = CX2072X_DAI_DSP,
1580                .probe = cx2072x_dsp_dai_probe,
1581                .playback = {
1582                        .stream_name = "Playback",
1583                        .channels_min = 2,
1584                        .channels_max = 2,
1585                        .rates = CX2072X_RATES_DSP,
1586                        .formats = CX2072X_FORMATS,
1587                },
1588                .ops = &cx2072x_dai_ops,
1589        },
1590        { /* plabayck only, return echo reference through I2S TX */
1591                .name = "cx2072x-aec",
1592                .id     = 3,
1593                .capture = {
1594                        .stream_name = "Capture",
1595                        .channels_min = 2,
1596                        .channels_max = 2,
1597                        .rates = CX2072X_RATES_DSP,
1598                        .formats = CX2072X_FORMATS,
1599                },
1600        },
1601};
1602
1603static const struct regmap_config cx2072x_regmap = {
1604        .reg_bits = 16,
1605        .val_bits = 32,
1606        .max_register = CX2072X_REG_MAX,
1607        .reg_defaults = cx2072x_reg_defaults,
1608        .num_reg_defaults = ARRAY_SIZE(cx2072x_reg_defaults),
1609        .cache_type = REGCACHE_RBTREE,
1610        .readable_reg = cx2072x_readable_register,
1611        .volatile_reg = cx2072x_volatile_register,
1612        /* Needs custom read/write functions for various register lengths */
1613        .reg_read = cx2072x_reg_read,
1614        .reg_write = cx2072x_reg_write,
1615};
1616
1617static int __maybe_unused cx2072x_runtime_suspend(struct device *dev)
1618{
1619        struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);
1620
1621        clk_disable_unprepare(cx2072x->mclk);
1622        return 0;
1623}
1624
1625static int __maybe_unused cx2072x_runtime_resume(struct device *dev)
1626{
1627        struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);
1628
1629        return clk_prepare_enable(cx2072x->mclk);
1630}
1631
1632static int cx2072x_i2c_probe(struct i2c_client *i2c,
1633                             const struct i2c_device_id *id)
1634{
1635        struct cx2072x_priv *cx2072x;
1636        unsigned int ven_id, rev_id;
1637        int ret;
1638
1639        cx2072x = devm_kzalloc(&i2c->dev, sizeof(struct cx2072x_priv),
1640                               GFP_KERNEL);
1641        if (!cx2072x)
1642                return -ENOMEM;
1643
1644        cx2072x->regmap = devm_regmap_init(&i2c->dev, NULL, i2c,
1645                                           &cx2072x_regmap);
1646        if (IS_ERR(cx2072x->regmap))
1647                return PTR_ERR(cx2072x->regmap);
1648
1649        mutex_init(&cx2072x->lock);
1650
1651        i2c_set_clientdata(i2c, cx2072x);
1652
1653        cx2072x->dev = &i2c->dev;
1654        cx2072x->pll_changed = true;
1655        cx2072x->i2spcm_changed = true;
1656        cx2072x->bclk_ratio = 0;
1657
1658        cx2072x->mclk = devm_clk_get(cx2072x->dev, "mclk");
1659        if (IS_ERR(cx2072x->mclk)) {
1660                dev_err(cx2072x->dev, "Failed to get MCLK\n");
1661                return PTR_ERR(cx2072x->mclk);
1662        }
1663
1664        regmap_read(cx2072x->regmap, CX2072X_VENDOR_ID, &ven_id);
1665        regmap_read(cx2072x->regmap, CX2072X_REVISION_ID, &rev_id);
1666
1667        dev_info(cx2072x->dev, "codec version: %08x,%08x\n", ven_id, rev_id);
1668
1669        ret = devm_snd_soc_register_component(cx2072x->dev,
1670                                              &soc_codec_driver_cx2072x,
1671                                              soc_codec_cx2072x_dai,
1672                                              ARRAY_SIZE(soc_codec_cx2072x_dai));
1673        if (ret < 0)
1674                return ret;
1675
1676        pm_runtime_use_autosuspend(cx2072x->dev);
1677        pm_runtime_enable(cx2072x->dev);
1678
1679        return 0;
1680}
1681
1682static int cx2072x_i2c_remove(struct i2c_client *i2c)
1683{
1684        pm_runtime_disable(&i2c->dev);
1685        return 0;
1686}
1687
1688static const struct i2c_device_id cx2072x_i2c_id[] = {
1689        { "cx20721", 0 },
1690        { "cx20723", 0 },
1691        {}
1692};
1693MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id);
1694
1695#ifdef CONFIG_ACPI
1696static struct acpi_device_id cx2072x_acpi_match[] = {
1697        { "14F10720", 0 },
1698        {},
1699};
1700MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match);
1701#endif
1702
1703static const struct dev_pm_ops cx2072x_runtime_pm = {
1704        SET_RUNTIME_PM_OPS(cx2072x_runtime_suspend, cx2072x_runtime_resume,
1705                           NULL)
1706        SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1707                                pm_runtime_force_resume)
1708};
1709
1710static struct i2c_driver cx2072x_i2c_driver = {
1711        .driver = {
1712                .name = "cx2072x",
1713                .acpi_match_table = ACPI_PTR(cx2072x_acpi_match),
1714                .pm = &cx2072x_runtime_pm,
1715        },
1716        .probe = cx2072x_i2c_probe,
1717        .remove = cx2072x_i2c_remove,
1718        .id_table = cx2072x_i2c_id,
1719};
1720
1721module_i2c_driver(cx2072x_i2c_driver);
1722
1723MODULE_DESCRIPTION("ASoC cx2072x Codec Driver");
1724MODULE_AUTHOR("Simon Ho <simon.ho@conexant.com>");
1725MODULE_LICENSE("GPL");
1726