Linux Audio

Check our new training course

Loading...
Note: File does not exist in v3.1.
   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
  66static const DECLARE_TLV_DB_RANGE(hpf_tlv,
  67	0, 0, TLV_DB_SCALE_ITEM(120, 0, 0),
  68	1, 63, TLV_DB_SCALE_ITEM(30, 30, 0)
  69);
  70
  71/* Lookup table for PRE_DIV */
  72static const struct {
  73	unsigned int mclk;
  74	unsigned int div;
  75} mclk_pre_div[] = {
  76	{ 6144000, 1 },
  77	{ 12288000, 2 },
  78	{ 19200000, 3 },
  79	{ 26000000, 4 },
  80	{ 28224000, 5 },
  81	{ 36864000, 6 },
  82	{ 36864000, 7 },
  83	{ 48000000, 8 },
  84	{ 49152000, 8 },
  85};
  86
  87/*
  88 * cx2072x register cache.
  89 */
  90static const struct reg_default cx2072x_reg_defaults[] = {
  91	{ CX2072X_AFG_POWER_STATE, 0x00000003 },
  92	{ CX2072X_UM_RESPONSE, 0x00000000 },
  93	{ CX2072X_GPIO_DATA, 0x00000000 },
  94	{ CX2072X_GPIO_ENABLE, 0x00000000 },
  95	{ CX2072X_GPIO_DIRECTION, 0x00000000 },
  96	{ CX2072X_GPIO_WAKE, 0x00000000 },
  97	{ CX2072X_GPIO_UM_ENABLE, 0x00000000 },
  98	{ CX2072X_GPIO_STICKY_MASK, 0x00000000 },
  99	{ CX2072X_DAC1_CONVERTER_FORMAT, 0x00000031 },
 100	{ CX2072X_DAC1_AMP_GAIN_RIGHT, 0x0000004a },
 101	{ CX2072X_DAC1_AMP_GAIN_LEFT, 0x0000004a },
 102	{ CX2072X_DAC1_POWER_STATE, 0x00000433 },
 103	{ CX2072X_DAC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 104	{ CX2072X_DAC1_EAPD_ENABLE, 0x00000000 },
 105	{ CX2072X_DAC2_CONVERTER_FORMAT, 0x00000031 },
 106	{ CX2072X_DAC2_AMP_GAIN_RIGHT, 0x0000004a },
 107	{ CX2072X_DAC2_AMP_GAIN_LEFT, 0x0000004a },
 108	{ CX2072X_DAC2_POWER_STATE, 0x00000433 },
 109	{ CX2072X_DAC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 110	{ CX2072X_ADC1_CONVERTER_FORMAT, 0x00000031 },
 111	{ CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0x0000004a },
 112	{ CX2072X_ADC1_AMP_GAIN_LEFT_0, 0x0000004a },
 113	{ CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0x0000004a },
 114	{ CX2072X_ADC1_AMP_GAIN_LEFT_1, 0x0000004a },
 115	{ CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0x0000004a },
 116	{ CX2072X_ADC1_AMP_GAIN_LEFT_2, 0x0000004a },
 117	{ CX2072X_ADC1_AMP_GAIN_RIGHT_3, 0x0000004a },
 118	{ CX2072X_ADC1_AMP_GAIN_LEFT_3, 0x0000004a },
 119	{ CX2072X_ADC1_AMP_GAIN_RIGHT_4, 0x0000004a },
 120	{ CX2072X_ADC1_AMP_GAIN_LEFT_4, 0x0000004a },
 121	{ CX2072X_ADC1_AMP_GAIN_RIGHT_5, 0x0000004a },
 122	{ CX2072X_ADC1_AMP_GAIN_LEFT_5, 0x0000004a },
 123	{ CX2072X_ADC1_AMP_GAIN_RIGHT_6, 0x0000004a },
 124	{ CX2072X_ADC1_AMP_GAIN_LEFT_6, 0x0000004a },
 125	{ CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0x00000000 },
 126	{ CX2072X_ADC1_POWER_STATE, 0x00000433 },
 127	{ CX2072X_ADC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 128	{ CX2072X_ADC2_CONVERTER_FORMAT, 0x00000031 },
 129	{ CX2072X_ADC2_AMP_GAIN_RIGHT_0, 0x0000004a },
 130	{ CX2072X_ADC2_AMP_GAIN_LEFT_0, 0x0000004a },
 131	{ CX2072X_ADC2_AMP_GAIN_RIGHT_1, 0x0000004a },
 132	{ CX2072X_ADC2_AMP_GAIN_LEFT_1, 0x0000004a },
 133	{ CX2072X_ADC2_AMP_GAIN_RIGHT_2, 0x0000004a },
 134	{ CX2072X_ADC2_AMP_GAIN_LEFT_2, 0x0000004a },
 135	{ CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0x00000000 },
 136	{ CX2072X_ADC2_POWER_STATE, 0x00000433 },
 137	{ CX2072X_ADC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
 138	{ CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0x00000000 },
 139	{ CX2072X_PORTA_POWER_STATE, 0x00000433 },
 140	{ CX2072X_PORTA_PIN_CTRL, 0x000000c0 },
 141	{ CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x00000000 },
 142	{ CX2072X_PORTA_PIN_SENSE, 0x00000000 },
 143	{ CX2072X_PORTA_EAPD_BTL, 0x00000002 },
 144	{ CX2072X_PORTB_POWER_STATE, 0x00000433 },
 145	{ CX2072X_PORTB_PIN_CTRL, 0x00000000 },
 146	{ CX2072X_PORTB_UNSOLICITED_RESPONSE, 0x00000000 },
 147	{ CX2072X_PORTB_PIN_SENSE, 0x00000000 },
 148	{ CX2072X_PORTB_EAPD_BTL, 0x00000002 },
 149	{ CX2072X_PORTB_GAIN_RIGHT, 0x00000000 },
 150	{ CX2072X_PORTB_GAIN_LEFT, 0x00000000 },
 151	{ CX2072X_PORTC_POWER_STATE, 0x00000433 },
 152	{ CX2072X_PORTC_PIN_CTRL, 0x00000000 },
 153	{ CX2072X_PORTC_GAIN_RIGHT, 0x00000000 },
 154	{ CX2072X_PORTC_GAIN_LEFT, 0x00000000 },
 155	{ CX2072X_PORTD_POWER_STATE, 0x00000433 },
 156	{ CX2072X_PORTD_PIN_CTRL, 0x00000020 },
 157	{ CX2072X_PORTD_UNSOLICITED_RESPONSE, 0x00000000 },
 158	{ CX2072X_PORTD_PIN_SENSE, 0x00000000 },
 159	{ CX2072X_PORTD_GAIN_RIGHT, 0x00000000 },
 160	{ CX2072X_PORTD_GAIN_LEFT, 0x00000000 },
 161	{ CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0x00000000 },
 162	{ CX2072X_PORTE_POWER_STATE, 0x00000433 },
 163	{ CX2072X_PORTE_PIN_CTRL, 0x00000040 },
 164	{ CX2072X_PORTE_UNSOLICITED_RESPONSE, 0x00000000 },
 165	{ CX2072X_PORTE_PIN_SENSE, 0x00000000 },
 166	{ CX2072X_PORTE_EAPD_BTL, 0x00000002 },
 167	{ CX2072X_PORTE_GAIN_RIGHT, 0x00000000 },
 168	{ CX2072X_PORTE_GAIN_LEFT, 0x00000000 },
 169	{ CX2072X_PORTF_POWER_STATE, 0x00000433 },
 170	{ CX2072X_PORTF_PIN_CTRL, 0x00000000 },
 171	{ CX2072X_PORTF_UNSOLICITED_RESPONSE, 0x00000000 },
 172	{ CX2072X_PORTF_PIN_SENSE, 0x00000000 },
 173	{ CX2072X_PORTF_GAIN_RIGHT, 0x00000000 },
 174	{ CX2072X_PORTF_GAIN_LEFT, 0x00000000 },
 175	{ CX2072X_PORTG_POWER_STATE, 0x00000433 },
 176	{ CX2072X_PORTG_PIN_CTRL, 0x00000040 },
 177	{ CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0x00000000 },
 178	{ CX2072X_PORTG_EAPD_BTL, 0x00000002 },
 179	{ CX2072X_PORTM_POWER_STATE, 0x00000433 },
 180	{ CX2072X_PORTM_PIN_CTRL, 0x00000000 },
 181	{ CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0x00000000 },
 182	{ CX2072X_PORTM_EAPD_BTL, 0x00000002 },
 183	{ CX2072X_MIXER_POWER_STATE, 0x00000433 },
 184	{ CX2072X_MIXER_GAIN_RIGHT_0, 0x0000004a },
 185	{ CX2072X_MIXER_GAIN_LEFT_0, 0x0000004a },
 186	{ CX2072X_MIXER_GAIN_RIGHT_1, 0x0000004a },
 187	{ CX2072X_MIXER_GAIN_LEFT_1, 0x0000004a },
 188	{ CX2072X_SPKR_DRC_ENABLE_STEP, 0x040065a4 },
 189	{ CX2072X_SPKR_DRC_CONTROL, 0x007b0024 },
 190	{ CX2072X_SPKR_DRC_TEST, 0x00000000 },
 191	{ CX2072X_DIGITAL_BIOS_TEST0, 0x001f008a },
 192	{ CX2072X_DIGITAL_BIOS_TEST2, 0x00990026 },
 193	{ CX2072X_I2SPCM_CONTROL1, 0x00010001 },
 194	{ CX2072X_I2SPCM_CONTROL2, 0x00000000 },
 195	{ CX2072X_I2SPCM_CONTROL3, 0x00000000 },
 196	{ CX2072X_I2SPCM_CONTROL4, 0x00000000 },
 197	{ CX2072X_I2SPCM_CONTROL5, 0x00000000 },
 198	{ CX2072X_I2SPCM_CONTROL6, 0x00000000 },
 199	{ CX2072X_UM_INTERRUPT_CRTL_E, 0x00000000 },
 200	{ CX2072X_CODEC_TEST2, 0x00000000 },
 201	{ CX2072X_CODEC_TEST9, 0x00000004 },
 202	{ CX2072X_CODEC_TEST20, 0x00000600 },
 203	{ CX2072X_CODEC_TEST26, 0x00000208 },
 204	{ CX2072X_ANALOG_TEST4, 0x00000000 },
 205	{ CX2072X_ANALOG_TEST5, 0x00000000 },
 206	{ CX2072X_ANALOG_TEST6, 0x0000059a },
 207	{ CX2072X_ANALOG_TEST7, 0x000000a7 },
 208	{ CX2072X_ANALOG_TEST8, 0x00000017 },
 209	{ CX2072X_ANALOG_TEST9, 0x00000000 },
 210	{ CX2072X_ANALOG_TEST10, 0x00000285 },
 211	{ CX2072X_ANALOG_TEST11, 0x00000000 },
 212	{ CX2072X_ANALOG_TEST12, 0x00000000 },
 213	{ CX2072X_ANALOG_TEST13, 0x00000000 },
 214	{ CX2072X_DIGITAL_TEST1, 0x00000242 },
 215	{ CX2072X_DIGITAL_TEST11, 0x00000000 },
 216	{ CX2072X_DIGITAL_TEST12, 0x00000084 },
 217	{ CX2072X_DIGITAL_TEST15, 0x00000077 },
 218	{ CX2072X_DIGITAL_TEST16, 0x00000021 },
 219	{ CX2072X_DIGITAL_TEST17, 0x00000018 },
 220	{ CX2072X_DIGITAL_TEST18, 0x00000024 },
 221	{ CX2072X_DIGITAL_TEST19, 0x00000001 },
 222	{ CX2072X_DIGITAL_TEST20, 0x00000002 },
 223};
 224
 225/*
 226 * register initialization
 227 */
 228static const struct reg_sequence cx2072x_reg_init[] = {
 229	{ CX2072X_ANALOG_TEST9,	0x080 },    /* DC offset Calibration */
 230	{ CX2072X_CODEC_TEST26,	0x65f },    /* Disable the PA */
 231	{ CX2072X_ANALOG_TEST10, 0x289 },   /* Set the speaker output gain */
 232	{ CX2072X_CODEC_TEST20,	0xf05 },
 233	{ CX2072X_CODEC_TESTXX,	0x380 },
 234	{ CX2072X_CODEC_TEST26,	0xb90 },
 235	{ CX2072X_CODEC_TEST9,	0x001 },    /* Enable 30 Hz High pass filter */
 236	{ CX2072X_ANALOG_TEST3,	0x300 },    /* Disable PCBEEP pad */
 237	{ CX2072X_CODEC_TEST24,	0x100 },    /* Disable SnM mode */
 238	{ CX2072X_PORTD_PIN_CTRL, 0x020 },  /* Enable PortD input */
 239	{ CX2072X_GPIO_ENABLE,	0x040 },    /* Enable GPIO7 pin for button */
 240	{ CX2072X_GPIO_UM_ENABLE, 0x040 },  /* Enable UM for GPIO7 */
 241	{ CX2072X_UM_RESPONSE,	0x080 },    /* Enable button response */
 242	{ CX2072X_DIGITAL_TEST12, 0x0c4 },  /* Enable headset button */
 243	{ CX2072X_DIGITAL_TEST0, 0x415 },   /* Power down class-D during idle */
 244	{ CX2072X_I2SPCM_CONTROL2, 0x00f }, /* Enable I2S TX */
 245	{ CX2072X_I2SPCM_CONTROL3, 0x00f }, /* Enable I2S RX */
 246};
 247
 248static unsigned int cx2072x_register_size(unsigned int reg)
 249{
 250	switch (reg) {
 251	case CX2072X_VENDOR_ID:
 252	case CX2072X_REVISION_ID:
 253	case CX2072X_PORTA_PIN_SENSE:
 254	case CX2072X_PORTB_PIN_SENSE:
 255	case CX2072X_PORTD_PIN_SENSE:
 256	case CX2072X_PORTE_PIN_SENSE:
 257	case CX2072X_PORTF_PIN_SENSE:
 258	case CX2072X_I2SPCM_CONTROL1:
 259	case CX2072X_I2SPCM_CONTROL2:
 260	case CX2072X_I2SPCM_CONTROL3:
 261	case CX2072X_I2SPCM_CONTROL4:
 262	case CX2072X_I2SPCM_CONTROL5:
 263	case CX2072X_I2SPCM_CONTROL6:
 264	case CX2072X_UM_INTERRUPT_CRTL_E:
 265	case CX2072X_EQ_G_COEFF:
 266	case CX2072X_SPKR_DRC_CONTROL:
 267	case CX2072X_SPKR_DRC_TEST:
 268	case CX2072X_DIGITAL_BIOS_TEST0:
 269	case CX2072X_DIGITAL_BIOS_TEST2:
 270		return 4;
 271	case CX2072X_EQ_ENABLE_BYPASS:
 272	case CX2072X_EQ_B0_COEFF:
 273	case CX2072X_EQ_B1_COEFF:
 274	case CX2072X_EQ_B2_COEFF:
 275	case CX2072X_EQ_A1_COEFF:
 276	case CX2072X_EQ_A2_COEFF:
 277	case CX2072X_DAC1_CONVERTER_FORMAT:
 278	case CX2072X_DAC2_CONVERTER_FORMAT:
 279	case CX2072X_ADC1_CONVERTER_FORMAT:
 280	case CX2072X_ADC2_CONVERTER_FORMAT:
 281	case CX2072X_CODEC_TEST2:
 282	case CX2072X_CODEC_TEST9:
 283	case CX2072X_CODEC_TEST20:
 284	case CX2072X_CODEC_TEST26:
 285	case CX2072X_ANALOG_TEST3:
 286	case CX2072X_ANALOG_TEST4:
 287	case CX2072X_ANALOG_TEST5:
 288	case CX2072X_ANALOG_TEST6:
 289	case CX2072X_ANALOG_TEST7:
 290	case CX2072X_ANALOG_TEST8:
 291	case CX2072X_ANALOG_TEST9:
 292	case CX2072X_ANALOG_TEST10:
 293	case CX2072X_ANALOG_TEST11:
 294	case CX2072X_ANALOG_TEST12:
 295	case CX2072X_ANALOG_TEST13:
 296	case CX2072X_DIGITAL_TEST0:
 297	case CX2072X_DIGITAL_TEST1:
 298	case CX2072X_DIGITAL_TEST11:
 299	case CX2072X_DIGITAL_TEST12:
 300	case CX2072X_DIGITAL_TEST15:
 301	case CX2072X_DIGITAL_TEST16:
 302	case CX2072X_DIGITAL_TEST17:
 303	case CX2072X_DIGITAL_TEST18:
 304	case CX2072X_DIGITAL_TEST19:
 305	case CX2072X_DIGITAL_TEST20:
 306		return 2;
 307	default:
 308		return 1;
 309	}
 310}
 311
 312static bool cx2072x_readable_register(struct device *dev, unsigned int reg)
 313{
 314	switch (reg) {
 315	case CX2072X_VENDOR_ID:
 316	case CX2072X_REVISION_ID:
 317	case CX2072X_CURRENT_BCLK_FREQUENCY:
 318	case CX2072X_AFG_POWER_STATE:
 319	case CX2072X_UM_RESPONSE:
 320	case CX2072X_GPIO_DATA:
 321	case CX2072X_GPIO_ENABLE:
 322	case CX2072X_GPIO_DIRECTION:
 323	case CX2072X_GPIO_WAKE:
 324	case CX2072X_GPIO_UM_ENABLE:
 325	case CX2072X_GPIO_STICKY_MASK:
 326	case CX2072X_DAC1_CONVERTER_FORMAT:
 327	case CX2072X_DAC1_AMP_GAIN_RIGHT:
 328	case CX2072X_DAC1_AMP_GAIN_LEFT:
 329	case CX2072X_DAC1_POWER_STATE:
 330	case CX2072X_DAC1_CONVERTER_STREAM_CHANNEL:
 331	case CX2072X_DAC1_EAPD_ENABLE:
 332	case CX2072X_DAC2_CONVERTER_FORMAT:
 333	case CX2072X_DAC2_AMP_GAIN_RIGHT:
 334	case CX2072X_DAC2_AMP_GAIN_LEFT:
 335	case CX2072X_DAC2_POWER_STATE:
 336	case CX2072X_DAC2_CONVERTER_STREAM_CHANNEL:
 337	case CX2072X_ADC1_CONVERTER_FORMAT:
 338	case CX2072X_ADC1_AMP_GAIN_RIGHT_0:
 339	case CX2072X_ADC1_AMP_GAIN_LEFT_0:
 340	case CX2072X_ADC1_AMP_GAIN_RIGHT_1:
 341	case CX2072X_ADC1_AMP_GAIN_LEFT_1:
 342	case CX2072X_ADC1_AMP_GAIN_RIGHT_2:
 343	case CX2072X_ADC1_AMP_GAIN_LEFT_2:
 344	case CX2072X_ADC1_AMP_GAIN_RIGHT_3:
 345	case CX2072X_ADC1_AMP_GAIN_LEFT_3:
 346	case CX2072X_ADC1_AMP_GAIN_RIGHT_4:
 347	case CX2072X_ADC1_AMP_GAIN_LEFT_4:
 348	case CX2072X_ADC1_AMP_GAIN_RIGHT_5:
 349	case CX2072X_ADC1_AMP_GAIN_LEFT_5:
 350	case CX2072X_ADC1_AMP_GAIN_RIGHT_6:
 351	case CX2072X_ADC1_AMP_GAIN_LEFT_6:
 352	case CX2072X_ADC1_CONNECTION_SELECT_CONTROL:
 353	case CX2072X_ADC1_POWER_STATE:
 354	case CX2072X_ADC1_CONVERTER_STREAM_CHANNEL:
 355	case CX2072X_ADC2_CONVERTER_FORMAT:
 356	case CX2072X_ADC2_AMP_GAIN_RIGHT_0:
 357	case CX2072X_ADC2_AMP_GAIN_LEFT_0:
 358	case CX2072X_ADC2_AMP_GAIN_RIGHT_1:
 359	case CX2072X_ADC2_AMP_GAIN_LEFT_1:
 360	case CX2072X_ADC2_AMP_GAIN_RIGHT_2:
 361	case CX2072X_ADC2_AMP_GAIN_LEFT_2:
 362	case CX2072X_ADC2_CONNECTION_SELECT_CONTROL:
 363	case CX2072X_ADC2_POWER_STATE:
 364	case CX2072X_ADC2_CONVERTER_STREAM_CHANNEL:
 365	case CX2072X_PORTA_CONNECTION_SELECT_CTRL:
 366	case CX2072X_PORTA_POWER_STATE:
 367	case CX2072X_PORTA_PIN_CTRL:
 368	case CX2072X_PORTA_UNSOLICITED_RESPONSE:
 369	case CX2072X_PORTA_PIN_SENSE:
 370	case CX2072X_PORTA_EAPD_BTL:
 371	case CX2072X_PORTB_POWER_STATE:
 372	case CX2072X_PORTB_PIN_CTRL:
 373	case CX2072X_PORTB_UNSOLICITED_RESPONSE:
 374	case CX2072X_PORTB_PIN_SENSE:
 375	case CX2072X_PORTB_EAPD_BTL:
 376	case CX2072X_PORTB_GAIN_RIGHT:
 377	case CX2072X_PORTB_GAIN_LEFT:
 378	case CX2072X_PORTC_POWER_STATE:
 379	case CX2072X_PORTC_PIN_CTRL:
 380	case CX2072X_PORTC_GAIN_RIGHT:
 381	case CX2072X_PORTC_GAIN_LEFT:
 382	case CX2072X_PORTD_POWER_STATE:
 383	case CX2072X_PORTD_PIN_CTRL:
 384	case CX2072X_PORTD_UNSOLICITED_RESPONSE:
 385	case CX2072X_PORTD_PIN_SENSE:
 386	case CX2072X_PORTD_GAIN_RIGHT:
 387	case CX2072X_PORTD_GAIN_LEFT:
 388	case CX2072X_PORTE_CONNECTION_SELECT_CTRL:
 389	case CX2072X_PORTE_POWER_STATE:
 390	case CX2072X_PORTE_PIN_CTRL:
 391	case CX2072X_PORTE_UNSOLICITED_RESPONSE:
 392	case CX2072X_PORTE_PIN_SENSE:
 393	case CX2072X_PORTE_EAPD_BTL:
 394	case CX2072X_PORTE_GAIN_RIGHT:
 395	case CX2072X_PORTE_GAIN_LEFT:
 396	case CX2072X_PORTF_POWER_STATE:
 397	case CX2072X_PORTF_PIN_CTRL:
 398	case CX2072X_PORTF_UNSOLICITED_RESPONSE:
 399	case CX2072X_PORTF_PIN_SENSE:
 400	case CX2072X_PORTF_GAIN_RIGHT:
 401	case CX2072X_PORTF_GAIN_LEFT:
 402	case CX2072X_PORTG_POWER_STATE:
 403	case CX2072X_PORTG_PIN_CTRL:
 404	case CX2072X_PORTG_CONNECTION_SELECT_CTRL:
 405	case CX2072X_PORTG_EAPD_BTL:
 406	case CX2072X_PORTM_POWER_STATE:
 407	case CX2072X_PORTM_PIN_CTRL:
 408	case CX2072X_PORTM_CONNECTION_SELECT_CTRL:
 409	case CX2072X_PORTM_EAPD_BTL:
 410	case CX2072X_MIXER_POWER_STATE:
 411	case CX2072X_MIXER_GAIN_RIGHT_0:
 412	case CX2072X_MIXER_GAIN_LEFT_0:
 413	case CX2072X_MIXER_GAIN_RIGHT_1:
 414	case CX2072X_MIXER_GAIN_LEFT_1:
 415	case CX2072X_EQ_ENABLE_BYPASS:
 416	case CX2072X_EQ_B0_COEFF:
 417	case CX2072X_EQ_B1_COEFF:
 418	case CX2072X_EQ_B2_COEFF:
 419	case CX2072X_EQ_A1_COEFF:
 420	case CX2072X_EQ_A2_COEFF:
 421	case CX2072X_EQ_G_COEFF:
 422	case CX2072X_SPKR_DRC_ENABLE_STEP:
 423	case CX2072X_SPKR_DRC_CONTROL:
 424	case CX2072X_SPKR_DRC_TEST:
 425	case CX2072X_DIGITAL_BIOS_TEST0:
 426	case CX2072X_DIGITAL_BIOS_TEST2:
 427	case CX2072X_I2SPCM_CONTROL1:
 428	case CX2072X_I2SPCM_CONTROL2:
 429	case CX2072X_I2SPCM_CONTROL3:
 430	case CX2072X_I2SPCM_CONTROL4:
 431	case CX2072X_I2SPCM_CONTROL5:
 432	case CX2072X_I2SPCM_CONTROL6:
 433	case CX2072X_UM_INTERRUPT_CRTL_E:
 434	case CX2072X_CODEC_TEST2:
 435	case CX2072X_CODEC_TEST9:
 436	case CX2072X_CODEC_TEST20:
 437	case CX2072X_CODEC_TEST26:
 438	case CX2072X_ANALOG_TEST4:
 439	case CX2072X_ANALOG_TEST5:
 440	case CX2072X_ANALOG_TEST6:
 441	case CX2072X_ANALOG_TEST7:
 442	case CX2072X_ANALOG_TEST8:
 443	case CX2072X_ANALOG_TEST9:
 444	case CX2072X_ANALOG_TEST10:
 445	case CX2072X_ANALOG_TEST11:
 446	case CX2072X_ANALOG_TEST12:
 447	case CX2072X_ANALOG_TEST13:
 448	case CX2072X_DIGITAL_TEST0:
 449	case CX2072X_DIGITAL_TEST1:
 450	case CX2072X_DIGITAL_TEST11:
 451	case CX2072X_DIGITAL_TEST12:
 452	case CX2072X_DIGITAL_TEST15:
 453	case CX2072X_DIGITAL_TEST16:
 454	case CX2072X_DIGITAL_TEST17:
 455	case CX2072X_DIGITAL_TEST18:
 456	case CX2072X_DIGITAL_TEST19:
 457	case CX2072X_DIGITAL_TEST20:
 458		return true;
 459	default:
 460		return false;
 461	}
 462}
 463
 464static bool cx2072x_volatile_register(struct device *dev, unsigned int reg)
 465{
 466	switch (reg) {
 467	case CX2072X_VENDOR_ID:
 468	case CX2072X_REVISION_ID:
 469	case CX2072X_UM_INTERRUPT_CRTL_E:
 470	case CX2072X_DIGITAL_TEST11:
 471	case CX2072X_PORTA_PIN_SENSE:
 472	case CX2072X_PORTB_PIN_SENSE:
 473	case CX2072X_PORTD_PIN_SENSE:
 474	case CX2072X_PORTE_PIN_SENSE:
 475	case CX2072X_PORTF_PIN_SENSE:
 476	case CX2072X_EQ_G_COEFF:
 477	case CX2072X_EQ_BAND:
 478		return true;
 479	default:
 480		return false;
 481	}
 482}
 483
 484static int cx2072x_reg_raw_write(struct i2c_client *client,
 485				 unsigned int reg,
 486				 const void *val, size_t val_count)
 487{
 488	struct device *dev = &client->dev;
 489	u8 buf[2 + CX2072X_MAX_EQ_COEFF];
 490	int ret;
 491
 492	if (WARN_ON(val_count + 2 > sizeof(buf)))
 493		return -EINVAL;
 494
 495	buf[0] = reg >> 8;
 496	buf[1] = reg & 0xff;
 497
 498	memcpy(buf + 2, val, val_count);
 499
 500	ret = i2c_master_send(client, buf, val_count + 2);
 501	if (ret != val_count + 2) {
 502		dev_err(dev, "I2C write failed, ret = %d\n", ret);
 503		return ret < 0 ? ret : -EIO;
 504	}
 505	return 0;
 506}
 507
 508static int cx2072x_reg_write(void *context, unsigned int reg,
 509			     unsigned int value)
 510{
 511	__le32 raw_value;
 512	unsigned int size;
 513
 514	size = cx2072x_register_size(reg);
 515
 516	if (reg == CX2072X_UM_INTERRUPT_CRTL_E) {
 517		/* Update the MSB byte only */
 518		reg += 3;
 519		size = 1;
 520		value >>= 24;
 521	}
 522
 523	raw_value = cpu_to_le32(value);
 524	return cx2072x_reg_raw_write(context, reg, &raw_value, size);
 525}
 526
 527static int cx2072x_reg_read(void *context, unsigned int reg,
 528			    unsigned int *value)
 529{
 530	struct i2c_client *client = context;
 531	struct device *dev = &client->dev;
 532	__le32 recv_buf = 0;
 533	struct i2c_msg msgs[2];
 534	unsigned int size;
 535	u8 send_buf[2];
 536	int ret;
 537
 538	size = cx2072x_register_size(reg);
 539
 540	send_buf[0] = reg >> 8;
 541	send_buf[1] = reg & 0xff;
 542
 543	msgs[0].addr = client->addr;
 544	msgs[0].len = sizeof(send_buf);
 545	msgs[0].buf = send_buf;
 546	msgs[0].flags = 0;
 547
 548	msgs[1].addr = client->addr;
 549	msgs[1].len = size;
 550	msgs[1].buf = (u8 *)&recv_buf;
 551	msgs[1].flags = I2C_M_RD;
 552
 553	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
 554	if (ret != ARRAY_SIZE(msgs)) {
 555		dev_err(dev, "Failed to read register, ret = %d\n", ret);
 556		return ret < 0 ? ret : -EIO;
 557	}
 558
 559	*value = le32_to_cpu(recv_buf);
 560	return 0;
 561}
 562
 563/* get suggested pre_div valuce from mclk frequency */
 564static unsigned int get_div_from_mclk(unsigned int mclk)
 565{
 566	unsigned int div = 8;
 567	int i;
 568
 569	for (i = 0; i < ARRAY_SIZE(mclk_pre_div); i++) {
 570		if (mclk <= mclk_pre_div[i].mclk) {
 571			div = mclk_pre_div[i].div;
 572			break;
 573		}
 574	}
 575	return div;
 576}
 577
 578static int cx2072x_config_pll(struct cx2072x_priv *cx2072x)
 579{
 580	struct device *dev = cx2072x->dev;
 581	unsigned int pre_div;
 582	unsigned int pre_div_val;
 583	unsigned int pll_input;
 584	unsigned int pll_output;
 585	unsigned int int_div;
 586	unsigned int frac_div;
 587	u64 frac_num;
 588	unsigned int frac;
 589	unsigned int sample_rate = cx2072x->sample_rate;
 590	int pt_sample_per_sync = 2;
 591	int pt_clock_per_sample = 96;
 592
 593	switch (sample_rate) {
 594	case 48000:
 595	case 32000:
 596	case 24000:
 597	case 16000:
 598		break;
 599
 600	case 96000:
 601		pt_sample_per_sync = 1;
 602		pt_clock_per_sample = 48;
 603		break;
 604
 605	case 192000:
 606		pt_sample_per_sync = 0;
 607		pt_clock_per_sample = 24;
 608		break;
 609
 610	default:
 611		dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
 612		return -EINVAL;
 613	}
 614
 615	/* Configure PLL settings */
 616	pre_div = get_div_from_mclk(cx2072x->mclk_rate);
 617	pll_input = cx2072x->mclk_rate / pre_div;
 618	pll_output = sample_rate * 3072;
 619	int_div = pll_output / pll_input;
 620	frac_div = pll_output - (int_div * pll_input);
 621
 622	if (frac_div) {
 623		frac_div *= 1000;
 624		frac_div /= pll_input;
 625		frac_num = (u64)(4000 + frac_div) * ((1 << 20) - 4);
 626		do_div(frac_num, 7);
 627		frac = ((u32)frac_num + 499) / 1000;
 628	}
 629	pre_div_val = (pre_div - 1) * 2;
 630
 631	regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST4,
 632		     0x40 | (pre_div_val << 8));
 633	if (frac_div == 0) {
 634		/* Int mode */
 635		regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 0x100);
 636	} else {
 637		/* frac mode */
 638		regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST6,
 639			     frac & 0xfff);
 640		regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7,
 641			     (u8)(frac >> 12));
 642	}
 643
 644	int_div--;
 645	regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST8, int_div);
 646
 647	/* configure PLL tracking */
 648	if (frac_div == 0) {
 649		/* disable PLL tracking */
 650		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 0x00);
 651	} else {
 652		/* configure and enable PLL tracking */
 653		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
 654			     (pt_sample_per_sync << 4) & 0xf0);
 655		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST17,
 656			     pt_clock_per_sample);
 657		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST18,
 658			     pt_clock_per_sample * 3 / 2);
 659		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST19, 0x01);
 660		regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST20, 0x02);
 661		regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
 662				   0x01, 0x01);
 663	}
 664
 665	return 0;
 666}
 667
 668static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x)
 669{
 670	struct device *dev = cx2072x->dev;
 671	unsigned int bclk_rate = 0;
 672	int is_i2s = 0;
 673	int has_one_bit_delay = 0;
 674	int is_frame_inv = 0;
 675	int is_bclk_inv = 0;
 676	int pulse_len;
 677	int frame_len = cx2072x->frame_size;
 678	int sample_size = cx2072x->sample_size;
 679	int i2s_right_slot;
 680	int i2s_right_pause_interval = 0;
 681	int i2s_right_pause_pos;
 682	int is_big_endian = 1;
 683	u64 div;
 684	unsigned int mod;
 685	union cx2072x_reg_i2spcm_ctrl_reg1 reg1;
 686	union cx2072x_reg_i2spcm_ctrl_reg2 reg2;
 687	union cx2072x_reg_i2spcm_ctrl_reg3 reg3;
 688	union cx2072x_reg_i2spcm_ctrl_reg4 reg4;
 689	union cx2072x_reg_i2spcm_ctrl_reg5 reg5;
 690	union cx2072x_reg_i2spcm_ctrl_reg6 reg6;
 691	union cx2072x_reg_digital_bios_test2 regdbt2;
 692	const unsigned int fmt = cx2072x->dai_fmt;
 693
 694	if (frame_len <= 0) {
 695		dev_err(dev, "Incorrect frame len %d\n", frame_len);
 696		return -EINVAL;
 697	}
 698
 699	if (sample_size <= 0) {
 700		dev_err(dev, "Incorrect sample size %d\n", sample_size);
 701		return -EINVAL;
 702	}
 703
 704	dev_dbg(dev, "config_i2spcm set_dai_fmt- %08x\n", fmt);
 705
 706	regdbt2.ulval = 0xac;
 707
 708	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
 709	case SND_SOC_DAIFMT_CBP_CFP:
 710		reg2.r.tx_master = 1;
 711		reg3.r.rx_master = 1;
 712		break;
 713
 714	case SND_SOC_DAIFMT_CBC_CFC:
 715		reg2.r.tx_master = 0;
 716		reg3.r.rx_master = 0;
 717		break;
 718
 719	default:
 720		dev_err(dev, "Unsupported DAI clocking mode\n");
 721		return -EINVAL;
 722	}
 723
 724	/* set format */
 725	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 726	case SND_SOC_DAIFMT_I2S:
 727		is_i2s = 1;
 728		has_one_bit_delay = 1;
 729		pulse_len = frame_len / 2;
 730		break;
 731
 732	case SND_SOC_DAIFMT_RIGHT_J:
 733		is_i2s = 1;
 734		pulse_len = frame_len / 2;
 735		break;
 736
 737	case SND_SOC_DAIFMT_LEFT_J:
 738		is_i2s = 1;
 739		pulse_len = frame_len / 2;
 740		break;
 741
 742	default:
 743		dev_err(dev, "Unsupported DAI format\n");
 744		return -EINVAL;
 745	}
 746
 747	/* clock inversion */
 748	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 749	case SND_SOC_DAIFMT_NB_NF:
 750		is_frame_inv = is_i2s;
 751		is_bclk_inv = is_i2s;
 752		break;
 753
 754	case SND_SOC_DAIFMT_IB_IF:
 755		is_frame_inv = !is_i2s;
 756		is_bclk_inv = !is_i2s;
 757		break;
 758
 759	case SND_SOC_DAIFMT_IB_NF:
 760		is_frame_inv = is_i2s;
 761		is_bclk_inv = !is_i2s;
 762		break;
 763
 764	case SND_SOC_DAIFMT_NB_IF:
 765		is_frame_inv = !is_i2s;
 766		is_bclk_inv = is_i2s;
 767		break;
 768
 769	default:
 770		dev_err(dev, "Unsupported DAI clock inversion\n");
 771		return -EINVAL;
 772	}
 773
 774	reg1.r.rx_data_one_line = 1;
 775	reg1.r.tx_data_one_line = 1;
 776
 777	if (is_i2s) {
 778		i2s_right_slot = (frame_len / 2) / BITS_PER_SLOT;
 779		i2s_right_pause_interval = (frame_len / 2) % BITS_PER_SLOT;
 780		i2s_right_pause_pos = i2s_right_slot * BITS_PER_SLOT;
 781	}
 782
 783	reg1.r.rx_ws_pol = is_frame_inv;
 784	reg1.r.rx_ws_wid = pulse_len - 1;
 785
 786	reg1.r.rx_frm_len = frame_len / BITS_PER_SLOT - 1;
 787	reg1.r.rx_sa_size = (sample_size / BITS_PER_SLOT) - 1;
 788
 789	reg1.r.tx_ws_pol = reg1.r.rx_ws_pol;
 790	reg1.r.tx_ws_wid = pulse_len - 1;
 791	reg1.r.tx_frm_len = reg1.r.rx_frm_len;
 792	reg1.r.tx_sa_size = reg1.r.rx_sa_size;
 793
 794	reg2.r.tx_endian_sel = !is_big_endian;
 795	reg2.r.tx_dstart_dly = has_one_bit_delay;
 796	if (cx2072x->en_aec_ref)
 797		reg2.r.tx_dstart_dly = 0;
 798
 799	reg3.r.rx_endian_sel = !is_big_endian;
 800	reg3.r.rx_dstart_dly = has_one_bit_delay;
 801
 802	reg4.ulval = 0;
 803
 804	if (is_i2s) {
 805		reg2.r.tx_slot_1 = 0;
 806		reg2.r.tx_slot_2 = i2s_right_slot;
 807		reg3.r.rx_slot_1 = 0;
 808		if (cx2072x->en_aec_ref)
 809			reg3.r.rx_slot_2 = 0;
 810		else
 811			reg3.r.rx_slot_2 = i2s_right_slot;
 812		reg6.r.rx_pause_start_pos = i2s_right_pause_pos;
 813		reg6.r.rx_pause_cycles = i2s_right_pause_interval;
 814		reg6.r.tx_pause_start_pos = i2s_right_pause_pos;
 815		reg6.r.tx_pause_cycles = i2s_right_pause_interval;
 816	} else {
 817		dev_err(dev, "TDM mode is not implemented yet\n");
 818		return -EINVAL;
 819	}
 820	regdbt2.r.i2s_bclk_invert = is_bclk_inv;
 821
 822	/* Configures the BCLK output */
 823	bclk_rate = cx2072x->sample_rate * frame_len;
 824	reg5.r.i2s_pcm_clk_div_chan_en = 0;
 825
 826	/* Disables bclk output before setting new value */
 827	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, 0);
 828
 829	if (reg2.r.tx_master) {
 830		/* Configures BCLK rate */
 831		div = PLL_OUT_HZ_48;
 832		mod = do_div(div, bclk_rate);
 833		if (mod) {
 834			dev_err(dev, "Unsupported BCLK %dHz\n", bclk_rate);
 835			return -EINVAL;
 836		}
 837		dev_dbg(dev, "enables BCLK %dHz output\n", bclk_rate);
 838		reg5.r.i2s_pcm_clk_div = (u32)div - 1;
 839		reg5.r.i2s_pcm_clk_div_chan_en = 1;
 840	}
 841
 842	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL1, reg1.ulval);
 843	regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL2, 0xffffffc0,
 844			   reg2.ulval);
 845	regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL3, 0xffffffc0,
 846			   reg3.ulval);
 847	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL4, reg4.ulval);
 848	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL6, reg6.ulval);
 849	regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, reg5.ulval);
 850
 851	regmap_write(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
 852		     regdbt2.ulval);
 853
 854	return 0;
 855}
 856
 857static int afg_power_ev(struct snd_soc_dapm_widget *w,
 858			struct snd_kcontrol *kcontrol, int event)
 859{
 860	struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
 861	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 862
 863	switch (event) {
 864	case SND_SOC_DAPM_POST_PMU:
 865		regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
 866				   0x00, 0x10);
 867		break;
 868
 869	case SND_SOC_DAPM_PRE_PMD:
 870		regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
 871				   0x10, 0x10);
 872		break;
 873	}
 874
 875	return 0;
 876}
 877
 878static const struct snd_kcontrol_new cx2072x_snd_controls[] = {
 879	SOC_DOUBLE_R_TLV("PortD Boost Volume", CX2072X_PORTD_GAIN_LEFT,
 880			 CX2072X_PORTD_GAIN_RIGHT, 0, 3, 0, boost_tlv),
 881	SOC_DOUBLE_R_TLV("PortC Boost Volume", CX2072X_PORTC_GAIN_LEFT,
 882			 CX2072X_PORTC_GAIN_RIGHT, 0, 3, 0, boost_tlv),
 883	SOC_DOUBLE_R_TLV("PortB Boost Volume", CX2072X_PORTB_GAIN_LEFT,
 884			 CX2072X_PORTB_GAIN_RIGHT, 0, 3, 0, boost_tlv),
 885	SOC_DOUBLE_R_TLV("PortD ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_1,
 886			 CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0, 0x4a, 0, adc_tlv),
 887	SOC_DOUBLE_R_TLV("PortC ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_2,
 888			 CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0, 0x4a, 0, adc_tlv),
 889	SOC_DOUBLE_R_TLV("PortB ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_0,
 890			 CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0, 0x4a, 0, adc_tlv),
 891	SOC_DOUBLE_R_TLV("DAC1 Volume", CX2072X_DAC1_AMP_GAIN_LEFT,
 892			 CX2072X_DAC1_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
 893	SOC_DOUBLE_R("DAC1 Switch", CX2072X_DAC1_AMP_GAIN_LEFT,
 894		     CX2072X_DAC1_AMP_GAIN_RIGHT, 7,  1, 0),
 895	SOC_DOUBLE_R_TLV("DAC2 Volume", CX2072X_DAC2_AMP_GAIN_LEFT,
 896			 CX2072X_DAC2_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
 897	SOC_SINGLE_TLV("HPF Freq", CX2072X_CODEC_TEST9, 0, 0x3f, 0, hpf_tlv),
 898	SOC_DOUBLE("HPF Switch", CX2072X_CODEC_TEST9, 8, 9, 1, 1),
 899	SOC_SINGLE("PortA HP Amp Switch", CX2072X_PORTA_PIN_CTRL, 7, 1, 0),
 900};
 901
 902static int cx2072x_hw_params(struct snd_pcm_substream *substream,
 903			     struct snd_pcm_hw_params *params,
 904			     struct snd_soc_dai *dai)
 905{
 906	struct snd_soc_component *codec = dai->component;
 907	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 908	struct device *dev = codec->dev;
 909	const unsigned int sample_rate = params_rate(params);
 910	int sample_size, frame_size;
 911
 912	/* Data sizes if not using TDM */
 913	sample_size = params_width(params);
 914
 915	if (sample_size < 0)
 916		return sample_size;
 917
 918	frame_size = snd_soc_params_to_frame_size(params);
 919	if (frame_size < 0)
 920		return frame_size;
 921
 922	if (cx2072x->mclk_rate == 0) {
 923		dev_err(dev, "Master clock rate is not configured\n");
 924		return -EINVAL;
 925	}
 926
 927	if (cx2072x->bclk_ratio)
 928		frame_size = cx2072x->bclk_ratio;
 929
 930	switch (sample_rate) {
 931	case 48000:
 932	case 32000:
 933	case 24000:
 934	case 16000:
 935	case 96000:
 936	case 192000:
 937		break;
 938
 939	default:
 940		dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
 941		return -EINVAL;
 942	}
 943
 944	dev_dbg(dev, "Sample size %d bits, frame = %d bits, rate = %d Hz\n",
 945		sample_size, frame_size, sample_rate);
 946
 947	cx2072x->frame_size = frame_size;
 948	cx2072x->sample_size = sample_size;
 949	cx2072x->sample_rate = sample_rate;
 950
 951	if (dai->id == CX2072X_DAI_DSP) {
 952		cx2072x->en_aec_ref = true;
 953		dev_dbg(cx2072x->dev, "enables aec reference\n");
 954		regmap_write(cx2072x->regmap,
 955			     CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 3);
 956	}
 957
 958	if (cx2072x->pll_changed) {
 959		cx2072x_config_pll(cx2072x);
 960		cx2072x->pll_changed = false;
 961	}
 962
 963	if (cx2072x->i2spcm_changed) {
 964		cx2072x_config_i2spcm(cx2072x);
 965		cx2072x->i2spcm_changed = false;
 966	}
 967
 968	return 0;
 969}
 970
 971static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai,
 972				      unsigned int ratio)
 973{
 974	struct snd_soc_component *codec = dai->component;
 975	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 976
 977	cx2072x->bclk_ratio = ratio;
 978	return 0;
 979}
 980
 981static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 982				  unsigned int freq, int dir)
 983{
 984	struct snd_soc_component *codec = dai->component;
 985	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
 986
 987	if (clk_set_rate(cx2072x->mclk, freq)) {
 988		dev_err(codec->dev, "set clk rate failed\n");
 989		return -EINVAL;
 990	}
 991
 992	cx2072x->mclk_rate = freq;
 993	return 0;
 994}
 995
 996static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 997{
 998	struct snd_soc_component *codec = dai->component;
 999	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1000	struct device *dev = codec->dev;
1001
1002	dev_dbg(dev, "set_dai_fmt- %08x\n", fmt);
1003	/* set master/slave */
1004	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1005	case SND_SOC_DAIFMT_CBP_CFP:
1006	case SND_SOC_DAIFMT_CBC_CFC:
1007		break;
1008
1009	default:
1010		dev_err(dev, "Unsupported DAI master mode\n");
1011		return -EINVAL;
1012	}
1013
1014	/* set format */
1015	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1016	case SND_SOC_DAIFMT_I2S:
1017	case SND_SOC_DAIFMT_RIGHT_J:
1018	case SND_SOC_DAIFMT_LEFT_J:
1019		break;
1020
1021	default:
1022		dev_err(dev, "Unsupported DAI format\n");
1023		return -EINVAL;
1024	}
1025
1026	/* clock inversion */
1027	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1028	case SND_SOC_DAIFMT_NB_NF:
1029	case SND_SOC_DAIFMT_IB_IF:
1030	case SND_SOC_DAIFMT_IB_NF:
1031	case SND_SOC_DAIFMT_NB_IF:
1032		break;
1033
1034	default:
1035		dev_err(dev, "Unsupported DAI clock inversion\n");
1036		return -EINVAL;
1037	}
1038
1039	cx2072x->dai_fmt = fmt;
1040	return 0;
1041}
1042
1043static const struct snd_kcontrol_new portaouten_ctl =
1044	SOC_DAPM_SINGLE("Switch", CX2072X_PORTA_PIN_CTRL, 6, 1, 0);
1045
1046static const struct snd_kcontrol_new porteouten_ctl =
1047	SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 6, 1, 0);
1048
1049static const struct snd_kcontrol_new portgouten_ctl =
1050	SOC_DAPM_SINGLE("Switch", CX2072X_PORTG_PIN_CTRL, 6, 1, 0);
1051
1052static const struct snd_kcontrol_new portmouten_ctl =
1053	SOC_DAPM_SINGLE("Switch", CX2072X_PORTM_PIN_CTRL, 6, 1, 0);
1054
1055static const struct snd_kcontrol_new portbinen_ctl =
1056	SOC_DAPM_SINGLE("Switch", CX2072X_PORTB_PIN_CTRL, 5, 1, 0);
1057
1058static const struct snd_kcontrol_new portcinen_ctl =
1059	SOC_DAPM_SINGLE("Switch", CX2072X_PORTC_PIN_CTRL, 5, 1, 0);
1060
1061static const struct snd_kcontrol_new portdinen_ctl =
1062	SOC_DAPM_SINGLE("Switch", CX2072X_PORTD_PIN_CTRL, 5, 1, 0);
1063
1064static const struct snd_kcontrol_new porteinen_ctl =
1065	SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 5, 1, 0);
1066
1067static const struct snd_kcontrol_new i2sadc1l_ctl =
1068	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 0, 1, 0);
1069
1070static const struct snd_kcontrol_new i2sadc1r_ctl =
1071	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 1, 1, 0);
1072
1073static const struct snd_kcontrol_new i2sadc2l_ctl =
1074	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 2, 1, 0);
1075
1076static const struct snd_kcontrol_new i2sadc2r_ctl =
1077	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 3, 1, 0);
1078
1079static const struct snd_kcontrol_new i2sdac1l_ctl =
1080	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 0, 1, 0);
1081
1082static const struct snd_kcontrol_new i2sdac1r_ctl =
1083	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 1, 1, 0);
1084
1085static const struct snd_kcontrol_new i2sdac2l_ctl =
1086	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 2, 1, 0);
1087
1088static const struct snd_kcontrol_new i2sdac2r_ctl =
1089	SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 3, 1, 0);
1090
1091static const char * const dac_enum_text[] = {
1092	"DAC1 Switch", "DAC2 Switch",
1093};
1094
1095static const struct soc_enum porta_dac_enum =
1096SOC_ENUM_SINGLE(CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1097
1098static const struct snd_kcontrol_new porta_mux =
1099SOC_DAPM_ENUM("PortA Mux", porta_dac_enum);
1100
1101static const struct soc_enum portg_dac_enum =
1102SOC_ENUM_SINGLE(CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1103
1104static const struct snd_kcontrol_new portg_mux =
1105SOC_DAPM_ENUM("PortG Mux", portg_dac_enum);
1106
1107static const struct soc_enum porte_dac_enum =
1108SOC_ENUM_SINGLE(CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1109
1110static const struct snd_kcontrol_new porte_mux =
1111SOC_DAPM_ENUM("PortE Mux", porte_dac_enum);
1112
1113static const struct soc_enum portm_dac_enum =
1114SOC_ENUM_SINGLE(CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);
1115
1116static const struct snd_kcontrol_new portm_mux =
1117SOC_DAPM_ENUM("PortM Mux", portm_dac_enum);
1118
1119static const char * const adc1in_sel_text[] = {
1120	"PortB Switch", "PortD Switch", "PortC Switch", "Widget15 Switch",
1121	"PortE Switch", "PortF Switch", "PortH Switch"
1122};
1123
1124static const struct soc_enum adc1in_sel_enum =
1125SOC_ENUM_SINGLE(CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0, 7, adc1in_sel_text);
1126
1127static const struct snd_kcontrol_new adc1_mux =
1128SOC_DAPM_ENUM("ADC1 Mux", adc1in_sel_enum);
1129
1130static const char * const adc2in_sel_text[] = {
1131	"PortC Switch", "Widget15 Switch", "PortH Switch"
1132};
1133
1134static const struct soc_enum adc2in_sel_enum =
1135SOC_ENUM_SINGLE(CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0, 3, adc2in_sel_text);
1136
1137static const struct snd_kcontrol_new adc2_mux =
1138SOC_DAPM_ENUM("ADC2 Mux", adc2in_sel_enum);
1139
1140static const struct snd_kcontrol_new wid15_mix[] = {
1141	SOC_DAPM_SINGLE("DAC1L Switch", CX2072X_MIXER_GAIN_LEFT_0, 7, 1, 1),
1142	SOC_DAPM_SINGLE("DAC1R Switch", CX2072X_MIXER_GAIN_RIGHT_0, 7, 1, 1),
1143	SOC_DAPM_SINGLE("DAC2L Switch", CX2072X_MIXER_GAIN_LEFT_1, 7, 1, 1),
1144	SOC_DAPM_SINGLE("DAC2R Switch", CX2072X_MIXER_GAIN_RIGHT_1, 7, 1, 1),
1145};
1146
1147#define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask,  won_val, \
1148	woff_val, wevent, wflags) \
1149	{.id = snd_soc_dapm_supply, .name = wname, .kcontrol_news = NULL, \
1150	.num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1151	.on_val = won_val, .off_val = woff_val, \
1152	.subseq = wsubseq, .event = wevent, .event_flags = wflags}
1153
1154#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
1155	wevent, wflags) \
1156	{.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
1157	.num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1158	.on_val = won_val, .off_val = woff_val, \
1159	.event = wevent, .event_flags = wflags}
1160
1161#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
1162	wevent, wflags) \
1163	{.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
1164	.num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
1165	.on_val = won_val, .off_val = woff_val, \
1166	.event = wevent, .event_flags = wflags}
1167
1168#define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \
1169				wevent, wflags) \
1170	{.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
1171	.reg = wreg, .shift = wshift, .mask = wmask, \
1172	.on_val = won_val, .off_val = woff_val, \
1173	.event = wevent, .event_flags = wflags}
1174
1175static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = {
1176	/*Playback*/
1177	SND_SOC_DAPM_AIF_IN("In AIF", "Playback", 0, SND_SOC_NOPM, 0, 0),
1178
1179	SND_SOC_DAPM_SWITCH("I2S DAC1L", SND_SOC_NOPM, 0, 0, &i2sdac1l_ctl),
1180	SND_SOC_DAPM_SWITCH("I2S DAC1R", SND_SOC_NOPM, 0, 0, &i2sdac1r_ctl),
1181	SND_SOC_DAPM_SWITCH("I2S DAC2L", SND_SOC_NOPM, 0, 0, &i2sdac2l_ctl),
1182	SND_SOC_DAPM_SWITCH("I2S DAC2R", SND_SOC_NOPM, 0, 0, &i2sdac2r_ctl),
1183
1184	SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC1", CX2072X_DAC1_POWER_STATE,
1185			 0, 0xfff, 0x00, 0x03),
1186
1187	SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC2", CX2072X_DAC2_POWER_STATE,
1188			 0, 0xfff, 0x00, 0x03),
1189
1190	SND_SOC_DAPM_MUX("PortA Mux", SND_SOC_NOPM, 0, 0, &porta_mux),
1191	SND_SOC_DAPM_MUX("PortG Mux", SND_SOC_NOPM, 0, 0, &portg_mux),
1192	SND_SOC_DAPM_MUX("PortE Mux", SND_SOC_NOPM, 0, 0, &porte_mux),
1193	SND_SOC_DAPM_MUX("PortM Mux", SND_SOC_NOPM, 0, 0, &portm_mux),
1194
1195	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortA Power",
1196			 CX2072X_PORTA_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1197
1198	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortM Power",
1199			 CX2072X_PORTM_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1200
1201	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortG Power",
1202			 CX2072X_PORTG_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1203
1204	CX2072X_DAPM_SUPPLY_S("AFG Power", 0, CX2072X_AFG_POWER_STATE,
1205			      0, 0xfff, 0x00, 0x03, afg_power_ev,
1206			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1207
1208	SND_SOC_DAPM_SWITCH("PortA Out En", SND_SOC_NOPM, 0, 0,
1209			    &portaouten_ctl),
1210	SND_SOC_DAPM_SWITCH("PortE Out En", SND_SOC_NOPM, 0, 0,
1211			    &porteouten_ctl),
1212	SND_SOC_DAPM_SWITCH("PortG Out En", SND_SOC_NOPM, 0, 0,
1213			    &portgouten_ctl),
1214	SND_SOC_DAPM_SWITCH("PortM Out En", SND_SOC_NOPM, 0, 0,
1215			    &portmouten_ctl),
1216
1217	SND_SOC_DAPM_OUTPUT("PORTA"),
1218	SND_SOC_DAPM_OUTPUT("PORTG"),
1219	SND_SOC_DAPM_OUTPUT("PORTE"),
1220	SND_SOC_DAPM_OUTPUT("PORTM"),
1221	SND_SOC_DAPM_OUTPUT("AEC REF"),
1222
1223	/*Capture*/
1224	SND_SOC_DAPM_AIF_OUT("Out AIF", "Capture", 0, SND_SOC_NOPM, 0, 0),
1225
1226	SND_SOC_DAPM_SWITCH("I2S ADC1L", SND_SOC_NOPM, 0, 0, &i2sadc1l_ctl),
1227	SND_SOC_DAPM_SWITCH("I2S ADC1R", SND_SOC_NOPM, 0, 0, &i2sadc1r_ctl),
1228	SND_SOC_DAPM_SWITCH("I2S ADC2L", SND_SOC_NOPM, 0, 0, &i2sadc2l_ctl),
1229	SND_SOC_DAPM_SWITCH("I2S ADC2R", SND_SOC_NOPM, 0, 0, &i2sadc2r_ctl),
1230
1231	SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC1", CX2072X_ADC1_POWER_STATE,
1232			 0, 0xff, 0x00, 0x03),
1233	SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC2", CX2072X_ADC2_POWER_STATE,
1234			 0, 0xff, 0x00, 0x03),
1235
1236	SND_SOC_DAPM_MUX("ADC1 Mux", SND_SOC_NOPM, 0, 0, &adc1_mux),
1237	SND_SOC_DAPM_MUX("ADC2 Mux", SND_SOC_NOPM, 0, 0, &adc2_mux),
1238
1239	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortB Power",
1240			 CX2072X_PORTB_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1241	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortC Power",
1242			 CX2072X_PORTC_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1243	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortD Power",
1244			 CX2072X_PORTD_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1245	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortE Power",
1246			 CX2072X_PORTE_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1247	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Widget15 Power",
1248			 CX2072X_MIXER_POWER_STATE, 0, 0xfff, 0x00, 0x03),
1249
1250	SND_SOC_DAPM_MIXER("Widget15 Mixer", SND_SOC_NOPM, 0, 0,
1251			   wid15_mix, ARRAY_SIZE(wid15_mix)),
1252	SND_SOC_DAPM_SWITCH("PortB In En", SND_SOC_NOPM, 0, 0, &portbinen_ctl),
1253	SND_SOC_DAPM_SWITCH("PortC In En", SND_SOC_NOPM, 0, 0, &portcinen_ctl),
1254	SND_SOC_DAPM_SWITCH("PortD In En", SND_SOC_NOPM, 0, 0, &portdinen_ctl),
1255	SND_SOC_DAPM_SWITCH("PortE In En", SND_SOC_NOPM, 0, 0, &porteinen_ctl),
1256
1257	SND_SOC_DAPM_MICBIAS("Headset Bias", CX2072X_ANALOG_TEST11, 1, 0),
1258	SND_SOC_DAPM_MICBIAS("PortB Mic Bias", CX2072X_PORTB_PIN_CTRL, 2, 0),
1259	SND_SOC_DAPM_MICBIAS("PortD Mic Bias", CX2072X_PORTD_PIN_CTRL, 2, 0),
1260	SND_SOC_DAPM_MICBIAS("PortE Mic Bias", CX2072X_PORTE_PIN_CTRL, 2, 0),
1261	SND_SOC_DAPM_INPUT("PORTB"),
1262	SND_SOC_DAPM_INPUT("PORTC"),
1263	SND_SOC_DAPM_INPUT("PORTD"),
1264	SND_SOC_DAPM_INPUT("PORTEIN"),
1265
1266};
1267
1268static const struct snd_soc_dapm_route cx2072x_intercon[] = {
1269	/* Playback */
1270	{"In AIF", NULL, "AFG Power"},
1271	{"I2S DAC1L", "Switch", "In AIF"},
1272	{"I2S DAC1R", "Switch", "In AIF"},
1273	{"I2S DAC2L", "Switch", "In AIF"},
1274	{"I2S DAC2R", "Switch", "In AIF"},
1275	{"DAC1", NULL, "I2S DAC1L"},
1276	{"DAC1", NULL, "I2S DAC1R"},
1277	{"DAC2", NULL, "I2S DAC2L"},
1278	{"DAC2", NULL, "I2S DAC2R"},
1279	{"PortA Mux", "DAC1 Switch", "DAC1"},
1280	{"PortA Mux", "DAC2 Switch", "DAC2"},
1281	{"PortG Mux", "DAC1 Switch", "DAC1"},
1282	{"PortG Mux", "DAC2 Switch", "DAC2"},
1283	{"PortE Mux", "DAC1 Switch", "DAC1"},
1284	{"PortE Mux", "DAC2 Switch", "DAC2"},
1285	{"PortM Mux", "DAC1 Switch", "DAC1"},
1286	{"PortM Mux", "DAC2 Switch", "DAC2"},
1287	{"Widget15 Mixer", "DAC1L Switch", "DAC1"},
1288	{"Widget15 Mixer", "DAC1R Switch", "DAC2"},
1289	{"Widget15 Mixer", "DAC2L Switch", "DAC1"},
1290	{"Widget15 Mixer", "DAC2R Switch", "DAC2"},
1291	{"Widget15 Mixer", NULL, "Widget15 Power"},
1292	{"PortA Out En", "Switch", "PortA Mux"},
1293	{"PortG Out En", "Switch", "PortG Mux"},
1294	{"PortE Out En", "Switch", "PortE Mux"},
1295	{"PortM Out En", "Switch", "PortM Mux"},
1296	{"PortA Mux", NULL, "PortA Power"},
1297	{"PortG Mux", NULL, "PortG Power"},
1298	{"PortE Mux", NULL, "PortE Power"},
1299	{"PortM Mux", NULL, "PortM Power"},
1300	{"PortA Out En", NULL, "PortA Power"},
1301	{"PortG Out En", NULL, "PortG Power"},
1302	{"PortE Out En", NULL, "PortE Power"},
1303	{"PortM Out En", NULL, "PortM Power"},
1304	{"PORTA", NULL, "PortA Out En"},
1305	{"PORTG", NULL, "PortG Out En"},
1306	{"PORTE", NULL, "PortE Out En"},
1307	{"PORTM", NULL, "PortM Out En"},
1308
1309	/* Capture */
1310	{"PORTD", NULL, "Headset Bias"},
1311	{"PortB In En", "Switch", "PORTB"},
1312	{"PortC In En", "Switch", "PORTC"},
1313	{"PortD In En", "Switch", "PORTD"},
1314	{"PortE In En", "Switch", "PORTEIN"},
1315	{"ADC1 Mux", "PortB Switch", "PortB In En"},
1316	{"ADC1 Mux", "PortC Switch", "PortC In En"},
1317	{"ADC1 Mux", "PortD Switch", "PortD In En"},
1318	{"ADC1 Mux", "PortE Switch", "PortE In En"},
1319	{"ADC1 Mux", "Widget15 Switch", "Widget15 Mixer"},
1320	{"ADC2 Mux", "PortC Switch", "PortC In En"},
1321	{"ADC2 Mux", "Widget15 Switch", "Widget15 Mixer"},
1322	{"ADC1", NULL, "ADC1 Mux"},
1323	{"ADC2", NULL, "ADC2 Mux"},
1324	{"I2S ADC1L", "Switch", "ADC1"},
1325	{"I2S ADC1R", "Switch", "ADC1"},
1326	{"I2S ADC2L", "Switch", "ADC2"},
1327	{"I2S ADC2R", "Switch", "ADC2"},
1328	{"Out AIF", NULL, "I2S ADC1L"},
1329	{"Out AIF", NULL, "I2S ADC1R"},
1330	{"Out AIF", NULL, "I2S ADC2L"},
1331	{"Out AIF", NULL, "I2S ADC2R"},
1332	{"Out AIF", NULL, "AFG Power"},
1333	{"AEC REF", NULL, "Out AIF"},
1334	{"PortB In En", NULL, "PortB Power"},
1335	{"PortC In En", NULL, "PortC Power"},
1336	{"PortD In En", NULL, "PortD Power"},
1337	{"PortE In En", NULL, "PortE Power"},
1338};
1339
1340static int cx2072x_set_bias_level(struct snd_soc_component *codec,
1341				  enum snd_soc_bias_level level)
1342{
1343	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1344	const enum snd_soc_bias_level old_level =
1345		snd_soc_component_get_bias_level(codec);
1346
1347	if (level == SND_SOC_BIAS_STANDBY && old_level == SND_SOC_BIAS_OFF)
1348		regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
1349	else if (level == SND_SOC_BIAS_OFF && old_level != SND_SOC_BIAS_OFF)
1350		regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
1351
1352	return 0;
1353}
1354
1355/*
1356 * FIXME: the whole jack detection code below is pretty platform-specific;
1357 * it has lots of implicit assumptions about the pins, etc.
1358 * However, since we have no other code and reference, take this hard-coded
1359 * setup for now.  Once when we have different platform implementations,
1360 * this needs to be rewritten in a more generic form, or moving into the
1361 * platform data.
1362 */
1363static void cx2072x_enable_jack_detect(struct snd_soc_component *codec)
1364{
1365	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1366	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec);
1367
1368	/* No-sticky input type */
1369	regmap_write(cx2072x->regmap, CX2072X_GPIO_STICKY_MASK, 0x1f);
1370
1371	/* Use GPOI0 as interrupt pin */
1372	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
1373
1374	/* Enables unsolitited message on PortA */
1375	regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x80);
1376
1377	/* support both nokia and apple headset set. Monitor time = 275 ms */
1378	regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST15, 0x73);
1379
1380	/* Disable TIP detection */
1381	regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST12, 0x300);
1382
1383	/* Switch MusicD3Live pin to GPIO */
1384	regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST1, 0);
1385
1386	snd_soc_dapm_mutex_lock(dapm);
1387
1388	snd_soc_dapm_force_enable_pin_unlocked(dapm, "PORTD");
1389	snd_soc_dapm_force_enable_pin_unlocked(dapm, "Headset Bias");
1390	snd_soc_dapm_force_enable_pin_unlocked(dapm, "PortD Mic Bias");
1391
1392	snd_soc_dapm_mutex_unlock(dapm);
1393}
1394
1395static void cx2072x_disable_jack_detect(struct snd_soc_component *codec)
1396{
1397	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1398
1399	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0);
1400	regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0);
1401}
1402
1403static int cx2072x_jack_status_check(void *data)
1404{
1405	struct snd_soc_component *codec = data;
1406	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1407	unsigned int jack;
1408	unsigned int type = 0;
1409	int state = 0;
1410
1411	mutex_lock(&cx2072x->lock);
1412
1413	regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack);
1414	jack = jack >> 24;
1415	regmap_read(cx2072x->regmap, CX2072X_DIGITAL_TEST11, &type);
1416
1417	if (jack == 0x80) {
1418		type = type >> 8;
1419
1420		if (type & 0x8) {
1421			/* Apple headset */
1422			state |= SND_JACK_HEADSET;
1423			if (type & 0x2)
1424				state |= SND_JACK_BTN_0;
1425		} else {
1426			/*
1427			 * Nokia headset (type & 0x4) and
1428			 * regular Headphone
1429			 */
1430			state |= SND_JACK_HEADPHONE;
1431		}
1432	}
1433
1434	/* clear interrupt */
1435	regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);
1436
1437	mutex_unlock(&cx2072x->lock);
1438
1439	dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n",
1440		type, state);
1441	return state;
1442}
1443
1444static const struct snd_soc_jack_gpio cx2072x_jack_gpio = {
1445	.name = "headset",
1446	.report = SND_JACK_HEADSET | SND_JACK_BTN_0,
1447	.debounce_time = 150,
1448	.wake = true,
1449	.jack_status_check = cx2072x_jack_status_check,
1450};
1451
1452static int cx2072x_set_jack(struct snd_soc_component *codec,
1453			    struct snd_soc_jack *jack, void *data)
1454{
1455	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1456	int err;
1457
1458	if (!jack) {
1459		cx2072x_disable_jack_detect(codec);
1460		return 0;
1461	}
1462
1463	if (!cx2072x->jack_gpio.gpiod_dev) {
1464		cx2072x->jack_gpio = cx2072x_jack_gpio;
1465		cx2072x->jack_gpio.gpiod_dev = codec->dev;
1466		cx2072x->jack_gpio.data = codec;
1467		err = snd_soc_jack_add_gpios(jack, 1, &cx2072x->jack_gpio);
1468		if (err) {
1469			cx2072x->jack_gpio.gpiod_dev = NULL;
1470			return err;
1471		}
1472	}
1473
1474	cx2072x_enable_jack_detect(codec);
1475	return 0;
1476}
1477
1478static int cx2072x_probe(struct snd_soc_component *codec)
1479{
1480	struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
1481
1482	cx2072x->codec = codec;
1483
1484	/*
1485	 * FIXME: below is, again, a very platform-specific init sequence,
1486	 * but we keep the code here just for simplicity.  It seems that all
1487	 * existing hardware implementations require this, so there is no very
1488	 * much reason to move this out of the codec driver to the platform
1489	 * data.
1490	 * But of course it's no "right" thing; if you are a good boy, don't
1491	 * read and follow the code like this!
1492	 */
1493	pm_runtime_get_sync(codec->dev);
1494	regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
1495
1496	regmap_multi_reg_write(cx2072x->regmap, cx2072x_reg_init,
1497			       ARRAY_SIZE(cx2072x_reg_init));
1498
1499	/* configure PortC as input device */
1500	regmap_update_bits(cx2072x->regmap, CX2072X_PORTC_PIN_CTRL,
1501			   0x20, 0x20);
1502
1503	regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
1504			   0x84, 0xff);
1505
1506	regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
1507	pm_runtime_put(codec->dev);
1508
1509	return 0;
1510}
1511
1512static const struct snd_soc_component_driver soc_codec_driver_cx2072x = {
1513	.probe = cx2072x_probe,
1514	.set_bias_level = cx2072x_set_bias_level,
1515	.set_jack = cx2072x_set_jack,
1516	.controls = cx2072x_snd_controls,
1517	.num_controls = ARRAY_SIZE(cx2072x_snd_controls),
1518	.dapm_widgets = cx2072x_dapm_widgets,
1519	.num_dapm_widgets = ARRAY_SIZE(cx2072x_dapm_widgets),
1520	.dapm_routes = cx2072x_intercon,
1521	.num_dapm_routes = ARRAY_SIZE(cx2072x_intercon),
1522	.endianness = 1,
1523};
1524
1525/*
1526 * DAI ops
1527 */
1528static const struct snd_soc_dai_ops cx2072x_dai_ops = {
1529	.set_sysclk = cx2072x_set_dai_sysclk,
1530	.set_fmt = cx2072x_set_dai_fmt,
1531	.hw_params = cx2072x_hw_params,
1532	.set_bclk_ratio = cx2072x_set_dai_bclk_ratio,
1533};
1534
1535static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai)
1536{
1537	struct cx2072x_priv *cx2072x =
1538		snd_soc_component_get_drvdata(dai->component);
1539
1540	cx2072x->en_aec_ref = true;
1541	return 0;
1542}
1543
1544static const struct snd_soc_dai_ops cx2072x_dai_ops2 = {
1545	.probe		= cx2072x_dsp_dai_probe,
1546	.set_sysclk	= cx2072x_set_dai_sysclk,
1547	.set_fmt	= cx2072x_set_dai_fmt,
1548	.hw_params	= cx2072x_hw_params,
1549	.set_bclk_ratio	= cx2072x_set_dai_bclk_ratio,
1550};
1551
1552#define CX2072X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1553
1554static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = {
1555	{ /* playback and capture */
1556		.name = "cx2072x-hifi",
1557		.id	= CX2072X_DAI_HIFI,
1558		.playback = {
1559			.stream_name = "Playback",
1560			.channels_min = 1,
1561			.channels_max = 2,
1562			.rates = CX2072X_RATES_DSP,
1563			.formats = CX2072X_FORMATS,
1564		},
1565		.capture = {
1566			.stream_name = "Capture",
1567			.channels_min = 1,
1568			.channels_max = 2,
1569			.rates = CX2072X_RATES_DSP,
1570			.formats = CX2072X_FORMATS,
1571		},
1572		.ops = &cx2072x_dai_ops,
1573		.symmetric_rate = 1,
1574	},
1575	{ /* plabayck only, return echo reference to Conexant DSP chip */
1576		.name = "cx2072x-dsp",
1577		.id	= CX2072X_DAI_DSP,
1578		.playback = {
1579			.stream_name = "DSP Playback",
1580			.channels_min = 2,
1581			.channels_max = 2,
1582			.rates = CX2072X_RATES_DSP,
1583			.formats = CX2072X_FORMATS,
1584		},
1585		.ops = &cx2072x_dai_ops2,
1586	},
1587	{ /* plabayck only, return echo reference through I2S TX */
1588		.name = "cx2072x-aec",
1589		.id	= 3,
1590		.capture = {
1591			.stream_name = "AEC Capture",
1592			.channels_min = 2,
1593			.channels_max = 2,
1594			.rates = CX2072X_RATES_DSP,
1595			.formats = CX2072X_FORMATS,
1596		},
1597	},
1598};
1599
1600static const struct regmap_config cx2072x_regmap = {
1601	.reg_bits = 16,
1602	.val_bits = 32,
1603	.max_register = CX2072X_REG_MAX,
1604	.reg_defaults = cx2072x_reg_defaults,
1605	.num_reg_defaults = ARRAY_SIZE(cx2072x_reg_defaults),
1606	.cache_type = REGCACHE_RBTREE,
1607	.readable_reg = cx2072x_readable_register,
1608	.volatile_reg = cx2072x_volatile_register,
1609	/* Needs custom read/write functions for various register lengths */
1610	.reg_read = cx2072x_reg_read,
1611	.reg_write = cx2072x_reg_write,
1612};
1613
1614static int __maybe_unused cx2072x_runtime_suspend(struct device *dev)
1615{
1616	struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);
1617
1618	clk_disable_unprepare(cx2072x->mclk);
1619	return 0;
1620}
1621
1622static int __maybe_unused cx2072x_runtime_resume(struct device *dev)
1623{
1624	struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);
1625
1626	return clk_prepare_enable(cx2072x->mclk);
1627}
1628
1629static int cx2072x_i2c_probe(struct i2c_client *i2c)
1630{
1631	struct cx2072x_priv *cx2072x;
1632	unsigned int ven_id, rev_id;
1633	int ret;
1634
1635	cx2072x = devm_kzalloc(&i2c->dev, sizeof(struct cx2072x_priv),
1636			       GFP_KERNEL);
1637	if (!cx2072x)
1638		return -ENOMEM;
1639
1640	cx2072x->regmap = devm_regmap_init(&i2c->dev, NULL, i2c,
1641					   &cx2072x_regmap);
1642	if (IS_ERR(cx2072x->regmap))
1643		return PTR_ERR(cx2072x->regmap);
1644
1645	mutex_init(&cx2072x->lock);
1646
1647	i2c_set_clientdata(i2c, cx2072x);
1648
1649	cx2072x->dev = &i2c->dev;
1650	cx2072x->pll_changed = true;
1651	cx2072x->i2spcm_changed = true;
1652	cx2072x->bclk_ratio = 0;
1653
1654	cx2072x->mclk = devm_clk_get(cx2072x->dev, "mclk");
1655	if (IS_ERR(cx2072x->mclk)) {
1656		dev_err(cx2072x->dev, "Failed to get MCLK\n");
1657		return PTR_ERR(cx2072x->mclk);
1658	}
1659
1660	regmap_read(cx2072x->regmap, CX2072X_VENDOR_ID, &ven_id);
1661	regmap_read(cx2072x->regmap, CX2072X_REVISION_ID, &rev_id);
1662
1663	dev_info(cx2072x->dev, "codec version: %08x,%08x\n", ven_id, rev_id);
1664
1665	ret = devm_snd_soc_register_component(cx2072x->dev,
1666					      &soc_codec_driver_cx2072x,
1667					      soc_codec_cx2072x_dai,
1668					      ARRAY_SIZE(soc_codec_cx2072x_dai));
1669	if (ret < 0)
1670		return ret;
1671
1672	pm_runtime_use_autosuspend(cx2072x->dev);
1673	pm_runtime_enable(cx2072x->dev);
1674
1675	return 0;
1676}
1677
1678static void cx2072x_i2c_remove(struct i2c_client *i2c)
1679{
1680	pm_runtime_disable(&i2c->dev);
1681}
1682
1683static const struct i2c_device_id cx2072x_i2c_id[] = {
1684	{ "cx20721" },
1685	{ "cx20723" },
1686	{}
1687};
1688MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id);
1689
1690#ifdef CONFIG_ACPI
1691static struct acpi_device_id cx2072x_acpi_match[] = {
1692	{ "14F10720", 0 },
1693	{},
1694};
1695MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match);
1696#endif
1697
1698static const struct dev_pm_ops cx2072x_runtime_pm = {
1699	SET_RUNTIME_PM_OPS(cx2072x_runtime_suspend, cx2072x_runtime_resume,
1700			   NULL)
1701	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1702				pm_runtime_force_resume)
1703};
1704
1705static struct i2c_driver cx2072x_i2c_driver = {
1706	.driver = {
1707		.name = "cx2072x",
1708		.acpi_match_table = ACPI_PTR(cx2072x_acpi_match),
1709		.pm = &cx2072x_runtime_pm,
1710	},
1711	.probe = cx2072x_i2c_probe,
1712	.remove = cx2072x_i2c_remove,
1713	.id_table = cx2072x_i2c_id,
1714};
1715
1716module_i2c_driver(cx2072x_i2c_driver);
1717
1718MODULE_DESCRIPTION("ASoC cx2072x Codec Driver");
1719MODULE_AUTHOR("Simon Ho <simon.ho@conexant.com>");
1720MODULE_LICENSE("GPL");