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v5.4
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * cs43130.c  --  CS43130 ALSA Soc Audio driver
   4 *
   5 * Copyright 2017 Cirrus Logic, Inc.
   6 *
   7 * Authors: Li Xu <li.xu@cirrus.com>
   8 */
   9#include <linux/module.h>
  10#include <linux/moduleparam.h>
  11#include <linux/kernel.h>
  12#include <linux/init.h>
  13#include <linux/delay.h>
  14#include <linux/gpio.h>
  15#include <linux/gpio/consumer.h>
  16#include <linux/platform_device.h>
  17#include <linux/pm.h>
  18#include <linux/i2c.h>
  19#include <linux/of_device.h>
  20#include <linux/regmap.h>
  21#include <linux/slab.h>
  22#include <sound/core.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/soc.h>
  26#include <sound/soc-dapm.h>
  27#include <sound/initval.h>
  28#include <sound/tlv.h>
  29#include <linux/of_gpio.h>
  30#include <linux/regulator/consumer.h>
  31#include <linux/pm_runtime.h>
  32#include <linux/of_irq.h>
  33#include <linux/completion.h>
  34#include <linux/mutex.h>
  35#include <linux/workqueue.h>
  36#include <sound/jack.h>
  37
  38#include "cs43130.h"
  39
  40static const struct reg_default cs43130_reg_defaults[] = {
  41	{CS43130_SYS_CLK_CTL_1, 0x06},
  42	{CS43130_SP_SRATE, 0x01},
  43	{CS43130_SP_BITSIZE, 0x05},
  44	{CS43130_PAD_INT_CFG, 0x03},
  45	{CS43130_PWDN_CTL, 0xFE},
  46	{CS43130_CRYSTAL_SET, 0x04},
  47	{CS43130_PLL_SET_1, 0x00},
  48	{CS43130_PLL_SET_2, 0x00},
  49	{CS43130_PLL_SET_3, 0x00},
  50	{CS43130_PLL_SET_4, 0x00},
  51	{CS43130_PLL_SET_5, 0x40},
  52	{CS43130_PLL_SET_6, 0x10},
  53	{CS43130_PLL_SET_7, 0x80},
  54	{CS43130_PLL_SET_8, 0x03},
  55	{CS43130_PLL_SET_9, 0x02},
  56	{CS43130_PLL_SET_10, 0x02},
  57	{CS43130_CLKOUT_CTL, 0x00},
  58	{CS43130_ASP_NUM_1, 0x01},
  59	{CS43130_ASP_NUM_2, 0x00},
  60	{CS43130_ASP_DEN_1, 0x08},
  61	{CS43130_ASP_DEN_2, 0x00},
  62	{CS43130_ASP_LRCK_HI_TIME_1, 0x1F},
  63	{CS43130_ASP_LRCK_HI_TIME_2, 0x00},
  64	{CS43130_ASP_LRCK_PERIOD_1, 0x3F},
  65	{CS43130_ASP_LRCK_PERIOD_2, 0x00},
  66	{CS43130_ASP_CLOCK_CONF, 0x0C},
  67	{CS43130_ASP_FRAME_CONF, 0x0A},
  68	{CS43130_XSP_NUM_1, 0x01},
  69	{CS43130_XSP_NUM_2, 0x00},
  70	{CS43130_XSP_DEN_1, 0x02},
  71	{CS43130_XSP_DEN_2, 0x00},
  72	{CS43130_XSP_LRCK_HI_TIME_1, 0x1F},
  73	{CS43130_XSP_LRCK_HI_TIME_2, 0x00},
  74	{CS43130_XSP_LRCK_PERIOD_1, 0x3F},
  75	{CS43130_XSP_LRCK_PERIOD_2, 0x00},
  76	{CS43130_XSP_CLOCK_CONF, 0x0C},
  77	{CS43130_XSP_FRAME_CONF, 0x0A},
  78	{CS43130_ASP_CH_1_LOC, 0x00},
  79	{CS43130_ASP_CH_2_LOC, 0x00},
  80	{CS43130_ASP_CH_1_SZ_EN, 0x06},
  81	{CS43130_ASP_CH_2_SZ_EN, 0x0E},
  82	{CS43130_XSP_CH_1_LOC, 0x00},
  83	{CS43130_XSP_CH_2_LOC, 0x00},
  84	{CS43130_XSP_CH_1_SZ_EN, 0x06},
  85	{CS43130_XSP_CH_2_SZ_EN, 0x0E},
  86	{CS43130_DSD_VOL_B, 0x78},
  87	{CS43130_DSD_VOL_A, 0x78},
  88	{CS43130_DSD_PATH_CTL_1, 0xA8},
  89	{CS43130_DSD_INT_CFG, 0x00},
  90	{CS43130_DSD_PATH_CTL_2, 0x02},
  91	{CS43130_DSD_PCM_MIX_CTL, 0x00},
  92	{CS43130_DSD_PATH_CTL_3, 0x40},
  93	{CS43130_HP_OUT_CTL_1, 0x30},
  94	{CS43130_PCM_FILT_OPT, 0x02},
  95	{CS43130_PCM_VOL_B, 0x78},
  96	{CS43130_PCM_VOL_A, 0x78},
  97	{CS43130_PCM_PATH_CTL_1, 0xA8},
  98	{CS43130_PCM_PATH_CTL_2, 0x00},
  99	{CS43130_CLASS_H_CTL, 0x1E},
 100	{CS43130_HP_DETECT, 0x04},
 101	{CS43130_HP_LOAD_1, 0x00},
 102	{CS43130_HP_MEAS_LOAD_1, 0x00},
 103	{CS43130_HP_MEAS_LOAD_2, 0x00},
 104	{CS43130_INT_MASK_1, 0xFF},
 105	{CS43130_INT_MASK_2, 0xFF},
 106	{CS43130_INT_MASK_3, 0xFF},
 107	{CS43130_INT_MASK_4, 0xFF},
 108	{CS43130_INT_MASK_5, 0xFF},
 109};
 110
 111static bool cs43130_volatile_register(struct device *dev, unsigned int reg)
 112{
 113	switch (reg) {
 114	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
 115	case CS43130_HP_DC_STAT_1 ... CS43130_HP_DC_STAT_2:
 116	case CS43130_HP_AC_STAT_1 ... CS43130_HP_AC_STAT_2:
 117		return true;
 118	default:
 119		return false;
 120	}
 121}
 122
 123static bool cs43130_readable_register(struct device *dev, unsigned int reg)
 124{
 125	switch (reg) {
 126	case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1:
 127	case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG:
 128	case CS43130_PWDN_CTL:
 129	case CS43130_CRYSTAL_SET:
 130	case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5:
 131	case CS43130_PLL_SET_6:
 132	case CS43130_PLL_SET_7:
 133	case CS43130_PLL_SET_8:
 134	case CS43130_PLL_SET_9:
 135	case CS43130_PLL_SET_10:
 136	case CS43130_CLKOUT_CTL:
 137	case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF:
 138	case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF:
 139	case CS43130_ASP_CH_1_LOC:
 140	case CS43130_ASP_CH_2_LOC:
 141	case CS43130_ASP_CH_1_SZ_EN:
 142	case CS43130_ASP_CH_2_SZ_EN:
 143	case CS43130_XSP_CH_1_LOC:
 144	case CS43130_XSP_CH_2_LOC:
 145	case CS43130_XSP_CH_1_SZ_EN:
 146	case CS43130_XSP_CH_2_SZ_EN:
 147	case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3:
 148	case CS43130_HP_OUT_CTL_1:
 149	case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2:
 150	case CS43130_CLASS_H_CTL:
 151	case CS43130_HP_DETECT:
 152	case CS43130_HP_STATUS:
 153	case CS43130_HP_LOAD_1:
 154	case CS43130_HP_MEAS_LOAD_1:
 155	case CS43130_HP_MEAS_LOAD_2:
 156	case CS43130_HP_DC_STAT_1:
 157	case CS43130_HP_DC_STAT_2:
 158	case CS43130_HP_AC_STAT_1:
 159	case CS43130_HP_AC_STAT_2:
 160	case CS43130_HP_LOAD_STAT:
 161	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
 162	case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5:
 163		return true;
 164	default:
 165		return false;
 166	}
 167}
 168
 169static bool cs43130_precious_register(struct device *dev, unsigned int reg)
 170{
 171	switch (reg) {
 172	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
 173		return true;
 174	default:
 175		return false;
 176	}
 177}
 178
 179struct cs43130_pll_params {
 180	unsigned int pll_in;
 181	u8 sclk_prediv;
 182	u8 pll_div_int;
 183	u32 pll_div_frac;
 184	u8 pll_mode;
 185	u8 pll_divout;
 186	unsigned int pll_out;
 187	u8 pll_cal_ratio;
 188};
 189
 190static const struct cs43130_pll_params pll_ratio_table[] = {
 191	{9600000, 0x02, 0x49, 0x800000, 0x00, 0x08, 22579200, 151},
 192	{9600000, 0x02, 0x50, 0x000000, 0x00, 0x08, 24576000, 164},
 193
 194	{11289600, 0x02, 0X40, 0, 0x01, 0x08, 22579200, 128},
 195	{11289600, 0x02, 0x44, 0x06F700, 0x0, 0x08, 24576000, 139},
 196
 197	{12000000, 0x02, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120},
 198	{12000000, 0x02, 0x40, 0x000000, 0x00, 0x08, 24576000, 131},
 199
 200	{12288000, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118},
 201	{12288000, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128},
 202
 203	{13000000, 0x02, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111},
 204	{13000000, 0x02, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121},
 205
 206	{19200000, 0x03, 0x49, 0x800000, 0x00, 0x08, 22579200, 151},
 207	{19200000, 0x03, 0x50, 0x000000, 0x00, 0x08, 24576000, 164},
 208
 209	{22579200, 0, 0, 0, 0, 0, 22579200, 0},
 210	{22579200, 0x03, 0x44, 0x06F700, 0x00, 0x08, 24576000, 139},
 211
 212	{24000000, 0x03, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120},
 213	{24000000, 0x03, 0x40, 0x000000, 0x00, 0x08, 24576000, 131},
 214
 215	{24576000, 0x03, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118},
 216	{24576000, 0, 0, 0, 0, 0, 24576000, 0},
 217
 218	{26000000, 0x03, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111},
 219	{26000000, 0x03, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121},
 220};
 221
 222static const struct cs43130_pll_params *cs43130_get_pll_table(
 223		unsigned int freq_in, unsigned int freq_out)
 224{
 225	int i;
 226
 227	for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
 228		if (pll_ratio_table[i].pll_in == freq_in &&
 229		    pll_ratio_table[i].pll_out == freq_out)
 230			return &pll_ratio_table[i];
 231	}
 232
 233	return NULL;
 234}
 235
 236static int cs43130_pll_config(struct snd_soc_component *component)
 237{
 238	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 239	const struct cs43130_pll_params *pll_entry;
 240
 241	dev_dbg(component->dev, "cs43130->mclk = %u, cs43130->mclk_int = %u\n",
 242		cs43130->mclk, cs43130->mclk_int);
 243
 244	pll_entry = cs43130_get_pll_table(cs43130->mclk, cs43130->mclk_int);
 245	if (!pll_entry)
 246		return -EINVAL;
 247
 248	if (pll_entry->pll_cal_ratio == 0) {
 249		regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
 250				   CS43130_PLL_START_MASK, 0);
 251
 252		cs43130->pll_bypass = true;
 253		return 0;
 254	}
 255
 256	cs43130->pll_bypass = false;
 257
 258	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_2,
 259			   CS43130_PLL_DIV_DATA_MASK,
 260			   pll_entry->pll_div_frac >>
 261			   CS43130_PLL_DIV_FRAC_0_DATA_SHIFT);
 262	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_3,
 263			   CS43130_PLL_DIV_DATA_MASK,
 264			   pll_entry->pll_div_frac >>
 265			   CS43130_PLL_DIV_FRAC_1_DATA_SHIFT);
 266	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_4,
 267			   CS43130_PLL_DIV_DATA_MASK,
 268			   pll_entry->pll_div_frac >>
 269			   CS43130_PLL_DIV_FRAC_2_DATA_SHIFT);
 270	regmap_write(cs43130->regmap, CS43130_PLL_SET_5,
 271		     pll_entry->pll_div_int);
 272	regmap_write(cs43130->regmap, CS43130_PLL_SET_6, pll_entry->pll_divout);
 273	regmap_write(cs43130->regmap, CS43130_PLL_SET_7,
 274		     pll_entry->pll_cal_ratio);
 275	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_8,
 276			   CS43130_PLL_MODE_MASK,
 277			   pll_entry->pll_mode << CS43130_PLL_MODE_SHIFT);
 278	regmap_write(cs43130->regmap, CS43130_PLL_SET_9,
 279		     pll_entry->sclk_prediv);
 280	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
 281			   CS43130_PLL_START_MASK, 1);
 282
 283	return 0;
 284}
 285
 286static int cs43130_set_pll(struct snd_soc_component *component, int pll_id, int source,
 287			   unsigned int freq_in, unsigned int freq_out)
 288{
 289	int ret = 0;
 290	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 291
 292	switch (freq_in) {
 293	case 9600000:
 294	case 11289600:
 295	case 12000000:
 296	case 12288000:
 297	case 13000000:
 298	case 19200000:
 299	case 22579200:
 300	case 24000000:
 301	case 24576000:
 302	case 26000000:
 303		cs43130->mclk = freq_in;
 304		break;
 305	default:
 306		dev_err(component->dev,
 307			"unsupported pll input reference clock:%d\n", freq_in);
 308		return -EINVAL;
 309	}
 310
 311	switch (freq_out) {
 312	case 22579200:
 313		cs43130->mclk_int = freq_out;
 314		break;
 315	case 24576000:
 316		cs43130->mclk_int = freq_out;
 317		break;
 318	default:
 319		dev_err(component->dev,
 320			"unsupported pll output ref clock: %u\n", freq_out);
 321		return -EINVAL;
 322	}
 323
 324	ret = cs43130_pll_config(component);
 325	dev_dbg(component->dev, "cs43130->pll_bypass = %d", cs43130->pll_bypass);
 326	return ret;
 327}
 328
 329static int cs43130_change_clksrc(struct snd_soc_component *component,
 330				 enum cs43130_mclk_src_sel src)
 331{
 332	int ret;
 333	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 334	int mclk_int_decoded;
 335
 336	if (src == cs43130->mclk_int_src) {
 337		/* clk source has not changed */
 338		return 0;
 339	}
 340
 341	switch (cs43130->mclk_int) {
 342	case CS43130_MCLK_22M:
 343		mclk_int_decoded = CS43130_MCLK_22P5;
 344		break;
 345	case CS43130_MCLK_24M:
 346		mclk_int_decoded = CS43130_MCLK_24P5;
 347		break;
 348	default:
 349		dev_err(component->dev, "Invalid MCLK INT freq: %u\n", cs43130->mclk_int);
 350		return -EINVAL;
 351	}
 352
 353	switch (src) {
 354	case CS43130_MCLK_SRC_EXT:
 355		cs43130->pll_bypass = true;
 356		cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT;
 357		if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
 358			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 359					   CS43130_PDN_XTAL_MASK,
 360					   1 << CS43130_PDN_XTAL_SHIFT);
 361		} else {
 362			reinit_completion(&cs43130->xtal_rdy);
 363			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 364					   CS43130_XTAL_RDY_INT_MASK, 0);
 365			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 366					   CS43130_PDN_XTAL_MASK, 0);
 367			ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
 368							  msecs_to_jiffies(100));
 369			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 370					   CS43130_XTAL_RDY_INT_MASK,
 371					   1 << CS43130_XTAL_RDY_INT_SHIFT);
 372			if (ret == 0) {
 373				dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
 374				return -ETIMEDOUT;
 375			}
 376		}
 377
 378		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 379				   CS43130_MCLK_SRC_SEL_MASK,
 380				   src << CS43130_MCLK_SRC_SEL_SHIFT);
 381		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 382				   CS43130_MCLK_INT_MASK,
 383				   mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
 384		usleep_range(150, 200);
 385
 386		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 387				   CS43130_PDN_PLL_MASK,
 388				   1 << CS43130_PDN_PLL_SHIFT);
 389		break;
 390	case CS43130_MCLK_SRC_PLL:
 391		cs43130->pll_bypass = false;
 392		cs43130->mclk_int_src = CS43130_MCLK_SRC_PLL;
 393		if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
 394			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 395					   CS43130_PDN_XTAL_MASK,
 396					   1 << CS43130_PDN_XTAL_SHIFT);
 397		} else {
 398			reinit_completion(&cs43130->xtal_rdy);
 399			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 400					   CS43130_XTAL_RDY_INT_MASK, 0);
 401			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 402					   CS43130_PDN_XTAL_MASK, 0);
 403			ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
 404							  msecs_to_jiffies(100));
 405			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 406					   CS43130_XTAL_RDY_INT_MASK,
 407					   1 << CS43130_XTAL_RDY_INT_SHIFT);
 408			if (ret == 0) {
 409				dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
 410				return -ETIMEDOUT;
 411			}
 412		}
 413
 414		reinit_completion(&cs43130->pll_rdy);
 415		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 416				   CS43130_PLL_RDY_INT_MASK, 0);
 417		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 418				   CS43130_PDN_PLL_MASK, 0);
 419		ret = wait_for_completion_timeout(&cs43130->pll_rdy,
 420						  msecs_to_jiffies(100));
 421		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 422				   CS43130_PLL_RDY_INT_MASK,
 423				   1 << CS43130_PLL_RDY_INT_SHIFT);
 424		if (ret == 0) {
 425			dev_err(component->dev, "Timeout waiting for PLL_READY interrupt\n");
 426			return -ETIMEDOUT;
 427		}
 428
 429		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 430				   CS43130_MCLK_SRC_SEL_MASK,
 431				   src << CS43130_MCLK_SRC_SEL_SHIFT);
 432		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 433				   CS43130_MCLK_INT_MASK,
 434				   mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
 435		usleep_range(150, 200);
 436		break;
 437	case CS43130_MCLK_SRC_RCO:
 438		cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
 439
 440		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 441				   CS43130_MCLK_SRC_SEL_MASK,
 442				   src << CS43130_MCLK_SRC_SEL_SHIFT);
 443		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 444				   CS43130_MCLK_INT_MASK,
 445				   CS43130_MCLK_22P5 << CS43130_MCLK_INT_SHIFT);
 446		usleep_range(150, 200);
 447
 448		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 449				   CS43130_PDN_XTAL_MASK,
 450				   1 << CS43130_PDN_XTAL_SHIFT);
 451		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 452				   CS43130_PDN_PLL_MASK,
 453				   1 << CS43130_PDN_PLL_SHIFT);
 454		break;
 455	default:
 456		dev_err(component->dev, "Invalid MCLK source value\n");
 457		return -EINVAL;
 458	}
 459
 460	return 0;
 461}
 462
 463static const struct cs43130_bitwidth_map cs43130_bitwidth_table[] = {
 464	{8,	CS43130_SP_BIT_SIZE_8,	CS43130_CH_BIT_SIZE_8},
 465	{16,	CS43130_SP_BIT_SIZE_16, CS43130_CH_BIT_SIZE_16},
 466	{24,	CS43130_SP_BIT_SIZE_24, CS43130_CH_BIT_SIZE_24},
 467	{32,	CS43130_SP_BIT_SIZE_32, CS43130_CH_BIT_SIZE_32},
 468};
 469
 470static const struct cs43130_bitwidth_map *cs43130_get_bitwidth_table(
 471				unsigned int bitwidth)
 472{
 473	int i;
 474
 475	for (i = 0; i < ARRAY_SIZE(cs43130_bitwidth_table); i++) {
 476		if (cs43130_bitwidth_table[i].bitwidth == bitwidth)
 477			return &cs43130_bitwidth_table[i];
 478	}
 479
 480	return NULL;
 481}
 482
 483static int cs43130_set_bitwidth(int dai_id, unsigned int bitwidth_dai,
 484			  struct regmap *regmap)
 485{
 486	const struct cs43130_bitwidth_map *bw_map;
 487
 488	bw_map = cs43130_get_bitwidth_table(bitwidth_dai);
 489	if (!bw_map)
 490		return -EINVAL;
 491
 492	switch (dai_id) {
 493	case CS43130_ASP_PCM_DAI:
 494	case CS43130_ASP_DOP_DAI:
 495		regmap_update_bits(regmap, CS43130_ASP_CH_1_SZ_EN,
 496				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 497		regmap_update_bits(regmap, CS43130_ASP_CH_2_SZ_EN,
 498				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 499		regmap_update_bits(regmap, CS43130_SP_BITSIZE,
 500				   CS43130_ASP_BITSIZE_MASK, bw_map->sp_bit);
 501		break;
 502	case CS43130_XSP_DOP_DAI:
 503		regmap_update_bits(regmap, CS43130_XSP_CH_1_SZ_EN,
 504				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 505		regmap_update_bits(regmap, CS43130_XSP_CH_2_SZ_EN,
 506				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 507		regmap_update_bits(regmap, CS43130_SP_BITSIZE,
 508				   CS43130_XSP_BITSIZE_MASK, bw_map->sp_bit <<
 509				   CS43130_XSP_BITSIZE_SHIFT);
 510		break;
 511	default:
 512		return -EINVAL;
 513	}
 514
 515	return 0;
 516}
 517
 518static const struct cs43130_rate_map cs43130_rate_table[] = {
 519	{32000,		CS43130_ASP_SPRATE_32K},
 520	{44100,		CS43130_ASP_SPRATE_44_1K},
 521	{48000,		CS43130_ASP_SPRATE_48K},
 522	{88200,		CS43130_ASP_SPRATE_88_2K},
 523	{96000,		CS43130_ASP_SPRATE_96K},
 524	{176400,	CS43130_ASP_SPRATE_176_4K},
 525	{192000,	CS43130_ASP_SPRATE_192K},
 526	{352800,	CS43130_ASP_SPRATE_352_8K},
 527	{384000,	CS43130_ASP_SPRATE_384K},
 528};
 529
 530static const struct cs43130_rate_map *cs43130_get_rate_table(int fs)
 531{
 532	int i;
 533
 534	for (i = 0; i < ARRAY_SIZE(cs43130_rate_table); i++) {
 535		if (cs43130_rate_table[i].fs == fs)
 536			return &cs43130_rate_table[i];
 537	}
 538
 539	return NULL;
 540}
 541
 542static const struct cs43130_clk_gen *cs43130_get_clk_gen(int mclk_int, int fs,
 543		const struct cs43130_clk_gen *clk_gen_table, int len_clk_gen_table)
 544{
 545	int i;
 546
 547	for (i = 0; i < len_clk_gen_table; i++) {
 548		if (clk_gen_table[i].mclk_int == mclk_int &&
 549		    clk_gen_table[i].fs == fs)
 550			return &clk_gen_table[i];
 551	}
 552
 553	return NULL;
 554}
 555
 556static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk,
 557			      struct snd_pcm_hw_params *params,
 558			      struct cs43130_private *cs43130)
 559{
 560	u16 frm_size;
 561	u16 hi_size;
 562	u8 frm_delay;
 563	u8 frm_phase;
 564	u8 frm_data;
 565	u8 sclk_edge;
 566	u8 lrck_edge;
 567	u8 clk_data;
 568	u8 loc_ch1;
 569	u8 loc_ch2;
 570	u8 dai_mode_val;
 571	const struct cs43130_clk_gen *clk_gen;
 572
 573	switch (cs43130->dais[dai_id].dai_format) {
 574	case SND_SOC_DAIFMT_I2S:
 575		hi_size = bitwidth_sclk;
 576		frm_delay = 2;
 577		frm_phase = 0;
 578		break;
 579	case SND_SOC_DAIFMT_LEFT_J:
 580		hi_size = bitwidth_sclk;
 581		frm_delay = 2;
 582		frm_phase = 1;
 583		break;
 584	case SND_SOC_DAIFMT_DSP_A:
 585		hi_size = 1;
 586		frm_delay = 2;
 587		frm_phase = 1;
 588		break;
 589	case SND_SOC_DAIFMT_DSP_B:
 590		hi_size = 1;
 591		frm_delay = 0;
 592		frm_phase = 1;
 593		break;
 594	default:
 595		return -EINVAL;
 596	}
 597
 598	switch (cs43130->dais[dai_id].dai_mode) {
 599	case SND_SOC_DAIFMT_CBS_CFS:
 600		dai_mode_val = 0;
 601		break;
 602	case SND_SOC_DAIFMT_CBM_CFM:
 603		dai_mode_val = 1;
 604		break;
 605	default:
 606		return -EINVAL;
 607	}
 608
 609	frm_size = bitwidth_sclk * params_channels(params);
 610	sclk_edge = 1;
 611	lrck_edge = 0;
 612	loc_ch1 = 0;
 613	loc_ch2 = bitwidth_sclk * (params_channels(params) - 1);
 614
 615	frm_data = frm_delay & CS43130_SP_FSD_MASK;
 616	frm_data |= (frm_phase << CS43130_SP_STP_SHIFT) & CS43130_SP_STP_MASK;
 617
 618	clk_data = lrck_edge & CS43130_SP_LCPOL_IN_MASK;
 619	clk_data |= (lrck_edge << CS43130_SP_LCPOL_OUT_SHIFT) &
 620		    CS43130_SP_LCPOL_OUT_MASK;
 621	clk_data |= (sclk_edge << CS43130_SP_SCPOL_IN_SHIFT) &
 622		    CS43130_SP_SCPOL_IN_MASK;
 623	clk_data |= (sclk_edge << CS43130_SP_SCPOL_OUT_SHIFT) &
 624		    CS43130_SP_SCPOL_OUT_MASK;
 625	clk_data |= (dai_mode_val << CS43130_SP_MODE_SHIFT) &
 626		    CS43130_SP_MODE_MASK;
 627
 628	switch (dai_id) {
 629	case CS43130_ASP_PCM_DAI:
 630	case CS43130_ASP_DOP_DAI:
 631		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1,
 632			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 633			CS43130_SP_LCPR_LSB_DATA_SHIFT);
 634		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2,
 635			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 636			CS43130_SP_LCPR_MSB_DATA_SHIFT);
 637		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1,
 638			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 639			CS43130_SP_LCHI_LSB_DATA_SHIFT);
 640		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2,
 641			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 642			CS43130_SP_LCHI_MSB_DATA_SHIFT);
 643		regmap_write(cs43130->regmap, CS43130_ASP_FRAME_CONF, frm_data);
 644		regmap_write(cs43130->regmap, CS43130_ASP_CH_1_LOC, loc_ch1);
 645		regmap_write(cs43130->regmap, CS43130_ASP_CH_2_LOC, loc_ch2);
 646		regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN,
 647			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 648		regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN,
 649			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 650		regmap_write(cs43130->regmap, CS43130_ASP_CLOCK_CONF, clk_data);
 651		break;
 652	case CS43130_XSP_DOP_DAI:
 653		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_1,
 654			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 655			CS43130_SP_LCPR_LSB_DATA_SHIFT);
 656		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_2,
 657			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 658			CS43130_SP_LCPR_MSB_DATA_SHIFT);
 659		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_1,
 660			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 661			CS43130_SP_LCHI_LSB_DATA_SHIFT);
 662		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_2,
 663			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 664			CS43130_SP_LCHI_MSB_DATA_SHIFT);
 665		regmap_write(cs43130->regmap, CS43130_XSP_FRAME_CONF, frm_data);
 666		regmap_write(cs43130->regmap, CS43130_XSP_CH_1_LOC, loc_ch1);
 667		regmap_write(cs43130->regmap, CS43130_XSP_CH_2_LOC, loc_ch2);
 668		regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_1_SZ_EN,
 669			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 670		regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_2_SZ_EN,
 671			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 672		regmap_write(cs43130->regmap, CS43130_XSP_CLOCK_CONF, clk_data);
 673		break;
 674	default:
 675		return -EINVAL;
 676	}
 677
 678	switch (frm_size) {
 679	case 16:
 680		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 681					      params_rate(params),
 682					      cs43130_16_clk_gen,
 683					      ARRAY_SIZE(cs43130_16_clk_gen));
 684		break;
 685	case 32:
 686		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 687					      params_rate(params),
 688					      cs43130_32_clk_gen,
 689					      ARRAY_SIZE(cs43130_32_clk_gen));
 690		break;
 691	case 48:
 692		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 693					      params_rate(params),
 694					      cs43130_48_clk_gen,
 695					      ARRAY_SIZE(cs43130_48_clk_gen));
 696		break;
 697	case 64:
 698		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 699					      params_rate(params),
 700					      cs43130_64_clk_gen,
 701					      ARRAY_SIZE(cs43130_64_clk_gen));
 702		break;
 703	default:
 704		return -EINVAL;
 705	}
 706
 707	if (!clk_gen)
 708		return -EINVAL;
 709
 710	switch (dai_id) {
 711	case CS43130_ASP_PCM_DAI:
 712	case CS43130_ASP_DOP_DAI:
 713		regmap_write(cs43130->regmap, CS43130_ASP_DEN_1,
 714			     (clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
 715			     CS43130_SP_M_LSB_DATA_SHIFT);
 716		regmap_write(cs43130->regmap, CS43130_ASP_DEN_2,
 717			     (clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
 718			     CS43130_SP_M_MSB_DATA_SHIFT);
 719		regmap_write(cs43130->regmap, CS43130_ASP_NUM_1,
 720			     (clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
 721			     CS43130_SP_N_LSB_DATA_SHIFT);
 722		regmap_write(cs43130->regmap, CS43130_ASP_NUM_2,
 723			     (clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
 724			     CS43130_SP_N_MSB_DATA_SHIFT);
 725		break;
 726	case CS43130_XSP_DOP_DAI:
 727		regmap_write(cs43130->regmap, CS43130_XSP_DEN_1,
 728			     (clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
 729			     CS43130_SP_M_LSB_DATA_SHIFT);
 730		regmap_write(cs43130->regmap, CS43130_XSP_DEN_2,
 731			     (clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
 732			     CS43130_SP_M_MSB_DATA_SHIFT);
 733		regmap_write(cs43130->regmap, CS43130_XSP_NUM_1,
 734			     (clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
 735			     CS43130_SP_N_LSB_DATA_SHIFT);
 736		regmap_write(cs43130->regmap, CS43130_XSP_NUM_2,
 737			     (clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
 738			     CS43130_SP_N_MSB_DATA_SHIFT);
 739		break;
 740	default:
 741		return -EINVAL;
 742	}
 743
 744	return 0;
 745}
 746
 747static int cs43130_pcm_dsd_mix(bool en, struct regmap *regmap)
 748{
 749	if (en) {
 750		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 751				   CS43130_MIX_PCM_PREP_MASK,
 752				   1 << CS43130_MIX_PCM_PREP_SHIFT);
 753		usleep_range(6000, 6050);
 754		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 755				   CS43130_MIX_PCM_DSD_MASK,
 756				   1 << CS43130_MIX_PCM_DSD_SHIFT);
 757	} else {
 758		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 759				   CS43130_MIX_PCM_DSD_MASK,
 760				   0 << CS43130_MIX_PCM_DSD_SHIFT);
 761		usleep_range(1600, 1650);
 762		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 763				   CS43130_MIX_PCM_PREP_MASK,
 764				   0 << CS43130_MIX_PCM_PREP_SHIFT);
 765	}
 766
 767	return 0;
 768}
 769
 770static int cs43130_dsd_hw_params(struct snd_pcm_substream *substream,
 771				 struct snd_pcm_hw_params *params,
 772				 struct snd_soc_dai *dai)
 773{
 774	struct snd_soc_component *component = dai->component;
 775	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 776	unsigned int required_clk;
 777	u8 dsd_speed;
 778
 779	mutex_lock(&cs43130->clk_mutex);
 780	if (!cs43130->clk_req) {
 781		/* no DAI is currently using clk */
 782		if (!(CS43130_MCLK_22M % params_rate(params)))
 783			required_clk = CS43130_MCLK_22M;
 784		else
 785			required_clk = CS43130_MCLK_24M;
 786
 787		cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk);
 788		if (cs43130->pll_bypass)
 789			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
 790		else
 791			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
 792	}
 793
 794	cs43130->clk_req++;
 795	if (cs43130->clk_req == 2)
 796		cs43130_pcm_dsd_mix(true, cs43130->regmap);
 797	mutex_unlock(&cs43130->clk_mutex);
 798
 799	switch (params_rate(params)) {
 800	case 176400:
 801		dsd_speed = 0;
 802		break;
 803	case 352800:
 804		dsd_speed = 1;
 805		break;
 806	default:
 807		dev_err(component->dev, "Rate(%u) not supported\n",
 808			params_rate(params));
 809		return -EINVAL;
 810	}
 811
 812	if (cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM)
 813		regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG,
 814				   CS43130_DSD_MASTER, CS43130_DSD_MASTER);
 815	else
 816		regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG,
 817				   CS43130_DSD_MASTER, 0);
 818
 819	regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 820			   CS43130_DSD_SPEED_MASK,
 821			   dsd_speed << CS43130_DSD_SPEED_SHIFT);
 822	regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 823			   CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_DSD <<
 824			   CS43130_DSD_SRC_SHIFT);
 825
 826	return 0;
 827}
 828
 829static int cs43130_hw_params(struct snd_pcm_substream *substream,
 830				 struct snd_pcm_hw_params *params,
 831				 struct snd_soc_dai *dai)
 832{
 833	struct snd_soc_component *component = dai->component;
 834	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 835	const struct cs43130_rate_map *rate_map;
 836	unsigned int sclk = cs43130->dais[dai->id].sclk;
 837	unsigned int bitwidth_sclk;
 838	unsigned int bitwidth_dai = (unsigned int)(params_width(params));
 839	unsigned int required_clk;
 840	u8 dsd_speed;
 841
 842	mutex_lock(&cs43130->clk_mutex);
 843	if (!cs43130->clk_req) {
 844		/* no DAI is currently using clk */
 845		if (!(CS43130_MCLK_22M % params_rate(params)))
 846			required_clk = CS43130_MCLK_22M;
 847		else
 848			required_clk = CS43130_MCLK_24M;
 849
 850		cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk);
 851		if (cs43130->pll_bypass)
 852			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
 853		else
 854			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
 855	}
 856
 857	cs43130->clk_req++;
 858	if (cs43130->clk_req == 2)
 859		cs43130_pcm_dsd_mix(true, cs43130->regmap);
 860	mutex_unlock(&cs43130->clk_mutex);
 861
 862	switch (dai->id) {
 863	case CS43130_ASP_DOP_DAI:
 864	case CS43130_XSP_DOP_DAI:
 865		/* DoP bitwidth is always 24-bit */
 866		bitwidth_dai = 24;
 867		sclk = params_rate(params) * bitwidth_dai *
 868		       params_channels(params);
 869
 870		switch (params_rate(params)) {
 871		case 176400:
 872			dsd_speed = 0;
 873			break;
 874		case 352800:
 875			dsd_speed = 1;
 876			break;
 877		default:
 878			dev_err(component->dev, "Rate(%u) not supported\n",
 879				params_rate(params));
 880			return -EINVAL;
 881		}
 882
 883		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 884				   CS43130_DSD_SPEED_MASK,
 885				   dsd_speed << CS43130_DSD_SPEED_SHIFT);
 886		break;
 887	case CS43130_ASP_PCM_DAI:
 888		rate_map = cs43130_get_rate_table(params_rate(params));
 889		if (!rate_map)
 890			return -EINVAL;
 891
 892		regmap_write(cs43130->regmap, CS43130_SP_SRATE, rate_map->val);
 893		break;
 894	default:
 895		dev_err(component->dev, "Invalid DAI (%d)\n", dai->id);
 896		return -EINVAL;
 897	}
 898
 899	switch (dai->id) {
 900	case CS43130_ASP_DOP_DAI:
 901		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 902				   CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_ASP <<
 903				   CS43130_DSD_SRC_SHIFT);
 904		break;
 905	case CS43130_XSP_DOP_DAI:
 906		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 907				   CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_XSP <<
 908				   CS43130_DSD_SRC_SHIFT);
 909		break;
 910	}
 911
 912	if (!sclk && cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM)
 913		/* Calculate SCLK in master mode if unassigned */
 914		sclk = params_rate(params) * bitwidth_dai *
 915		       params_channels(params);
 916
 917	if (!sclk) {
 918		/* at this point, SCLK must be set */
 919		dev_err(component->dev, "SCLK freq is not set\n");
 920		return -EINVAL;
 921	}
 922
 923	bitwidth_sclk = (sclk / params_rate(params)) / params_channels(params);
 924	if (bitwidth_sclk < bitwidth_dai) {
 925		dev_err(component->dev, "Format not supported: SCLK freq is too low\n");
 926		return -EINVAL;
 927	}
 928
 929	dev_dbg(component->dev,
 930		"sclk = %u, fs = %d, bitwidth_dai = %u\n",
 931		sclk, params_rate(params), bitwidth_dai);
 932
 933	dev_dbg(component->dev,
 934		"bitwidth_sclk = %u, num_ch = %u\n",
 935		bitwidth_sclk, params_channels(params));
 936
 937	cs43130_set_bitwidth(dai->id, bitwidth_dai, cs43130->regmap);
 938	cs43130_set_sp_fmt(dai->id, bitwidth_sclk, params, cs43130);
 939
 940	return 0;
 941}
 942
 943static int cs43130_hw_free(struct snd_pcm_substream *substream,
 944			   struct snd_soc_dai *dai)
 945{
 946	struct snd_soc_component *component = dai->component;
 947	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 948
 949	mutex_lock(&cs43130->clk_mutex);
 950	cs43130->clk_req--;
 951	if (!cs43130->clk_req) {
 952		/* no DAI is currently using clk */
 953		cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
 954		cs43130_pcm_dsd_mix(false, cs43130->regmap);
 955	}
 956	mutex_unlock(&cs43130->clk_mutex);
 957
 958	return 0;
 959}
 960
 961static const DECLARE_TLV_DB_SCALE(pcm_vol_tlv, -12750, 50, 1);
 962
 963static const char * const pcm_ch_text[] = {
 964	"Left-Right Ch",
 965	"Left-Left Ch",
 966	"Right-Left Ch",
 967	"Right-Right Ch",
 968};
 969
 970static const struct reg_sequence pcm_ch_en_seq[] = {
 971	{CS43130_DXD1, 0x99},
 972	{0x180005, 0x8C},
 973	{0x180007, 0xAB},
 974	{0x180015, 0x31},
 975	{0x180017, 0xB2},
 976	{0x180025, 0x30},
 977	{0x180027, 0x84},
 978	{0x180035, 0x9C},
 979	{0x180037, 0xAE},
 980	{0x18000D, 0x24},
 981	{0x18000F, 0xA3},
 982	{0x18001D, 0x05},
 983	{0x18001F, 0xD4},
 984	{0x18002D, 0x0B},
 985	{0x18002F, 0xC7},
 986	{0x18003D, 0x71},
 987	{0x18003F, 0xE7},
 988	{CS43130_DXD1, 0},
 989};
 990
 991static const struct reg_sequence pcm_ch_dis_seq[] = {
 992	{CS43130_DXD1, 0x99},
 993	{0x180005, 0x24},
 994	{0x180007, 0xA3},
 995	{0x180015, 0x05},
 996	{0x180017, 0xD4},
 997	{0x180025, 0x0B},
 998	{0x180027, 0xC7},
 999	{0x180035, 0x71},
1000	{0x180037, 0xE7},
1001	{0x18000D, 0x8C},
1002	{0x18000F, 0xAB},
1003	{0x18001D, 0x31},
1004	{0x18001F, 0xB2},
1005	{0x18002D, 0x30},
1006	{0x18002F, 0x84},
1007	{0x18003D, 0x9C},
1008	{0x18003F, 0xAE},
1009	{CS43130_DXD1, 0},
1010};
1011
1012static int cs43130_pcm_ch_get(struct snd_kcontrol *kcontrol,
1013			      struct snd_ctl_elem_value *ucontrol)
1014{
1015	return snd_soc_get_enum_double(kcontrol, ucontrol);
1016}
1017
1018static int cs43130_pcm_ch_put(struct snd_kcontrol *kcontrol,
1019			      struct snd_ctl_elem_value *ucontrol)
1020{
1021	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1022	unsigned int *item = ucontrol->value.enumerated.item;
1023	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1024	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1025	unsigned int val;
1026
1027	if (item[0] >= e->items)
1028		return -EINVAL;
1029	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
1030
1031	switch (cs43130->dev_id) {
1032	case CS43131_CHIP_ID:
1033	case CS43198_CHIP_ID:
1034		if (val >= 2)
1035			regmap_multi_reg_write(cs43130->regmap, pcm_ch_en_seq,
1036					       ARRAY_SIZE(pcm_ch_en_seq));
1037		else
1038			regmap_multi_reg_write(cs43130->regmap, pcm_ch_dis_seq,
1039					       ARRAY_SIZE(pcm_ch_dis_seq));
1040		break;
1041	}
1042
1043	return snd_soc_put_enum_double(kcontrol, ucontrol);
1044}
1045
1046static SOC_ENUM_SINGLE_DECL(pcm_ch_enum, CS43130_PCM_PATH_CTL_2, 0,
1047			    pcm_ch_text);
1048
1049static const char * const pcm_spd_texts[] = {
1050	"Fast",
1051	"Slow",
1052};
1053
1054static SOC_ENUM_SINGLE_DECL(pcm_spd_enum, CS43130_PCM_FILT_OPT, 7,
1055			    pcm_spd_texts);
1056
1057static const char * const dsd_texts[] = {
1058	"Off",
1059	"BCKA Mode",
1060	"BCKD Mode",
1061};
1062
1063static const unsigned int dsd_values[] = {
1064	CS43130_DSD_SRC_DSD,
1065	CS43130_DSD_SRC_ASP,
1066	CS43130_DSD_SRC_XSP,
1067};
1068
1069static SOC_VALUE_ENUM_SINGLE_DECL(dsd_enum, CS43130_DSD_INT_CFG, 0, 0x03,
1070				  dsd_texts, dsd_values);
1071
1072static const struct snd_kcontrol_new cs43130_snd_controls[] = {
1073	SOC_DOUBLE_R_TLV("Master Playback Volume",
1074			 CS43130_PCM_VOL_A, CS43130_PCM_VOL_B, 0, 0xFF, 1,
1075			 pcm_vol_tlv),
1076	SOC_DOUBLE_R_TLV("Master DSD Playback Volume",
1077			 CS43130_DSD_VOL_A, CS43130_DSD_VOL_B, 0, 0xFF, 1,
1078			 pcm_vol_tlv),
1079	SOC_ENUM_EXT("PCM Ch Select", pcm_ch_enum, cs43130_pcm_ch_get,
1080		     cs43130_pcm_ch_put),
1081	SOC_ENUM("PCM Filter Speed", pcm_spd_enum),
1082	SOC_SINGLE("PCM Phase Compensation", CS43130_PCM_FILT_OPT, 6, 1, 0),
1083	SOC_SINGLE("PCM Nonoversample Emulate", CS43130_PCM_FILT_OPT, 5, 1, 0),
1084	SOC_SINGLE("PCM High-pass Filter", CS43130_PCM_FILT_OPT, 1, 1, 0),
1085	SOC_SINGLE("PCM De-emphasis Filter", CS43130_PCM_FILT_OPT, 0, 1, 0),
1086	SOC_ENUM("DSD Phase Modulation", dsd_enum),
1087};
1088
1089static const struct reg_sequence pcm_seq[] = {
1090	{CS43130_DXD1, 0x99},
1091	{CS43130_DXD7, 0x01},
1092	{CS43130_DXD8, 0},
1093	{CS43130_DXD9, 0x01},
1094	{CS43130_DXD3, 0x12},
1095	{CS43130_DXD4, 0},
1096	{CS43130_DXD10, 0x28},
1097	{CS43130_DXD11, 0x28},
1098	{CS43130_DXD1, 0},
1099};
1100
1101static const struct reg_sequence dsd_seq[] = {
1102	{CS43130_DXD1, 0x99},
1103	{CS43130_DXD7, 0x01},
1104	{CS43130_DXD8, 0},
1105	{CS43130_DXD9, 0x01},
1106	{CS43130_DXD3, 0x12},
1107	{CS43130_DXD4, 0},
1108	{CS43130_DXD10, 0x1E},
1109	{CS43130_DXD11, 0x20},
1110	{CS43130_DXD1, 0},
1111};
1112
1113static const struct reg_sequence pop_free_seq[] = {
1114	{CS43130_DXD1, 0x99},
1115	{CS43130_DXD12, 0x0A},
1116	{CS43130_DXD1, 0},
1117};
1118
1119static const struct reg_sequence pop_free_seq2[] = {
1120	{CS43130_DXD1, 0x99},
1121	{CS43130_DXD13, 0x20},
1122	{CS43130_DXD1, 0},
1123};
1124
1125static const struct reg_sequence mute_seq[] = {
1126	{CS43130_DXD1, 0x99},
1127	{CS43130_DXD3, 0x12},
1128	{CS43130_DXD5, 0x02},
1129	{CS43130_DXD4, 0x12},
1130	{CS43130_DXD1, 0},
1131};
1132
1133static const struct reg_sequence unmute_seq[] = {
1134	{CS43130_DXD1, 0x99},
1135	{CS43130_DXD3, 0x10},
1136	{CS43130_DXD5, 0},
1137	{CS43130_DXD4, 0x16},
1138	{CS43130_DXD1, 0},
1139};
1140
1141static int cs43130_dsd_event(struct snd_soc_dapm_widget *w,
1142			      struct snd_kcontrol *kcontrol, int event)
1143{
1144	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1145	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1146
1147	switch (event) {
1148	case SND_SOC_DAPM_PRE_PMU:
1149		switch (cs43130->dev_id) {
1150		case CS43130_CHIP_ID:
1151		case CS4399_CHIP_ID:
1152			regmap_multi_reg_write(cs43130->regmap, dsd_seq,
1153					       ARRAY_SIZE(dsd_seq));
1154			break;
1155		}
1156		break;
1157	case SND_SOC_DAPM_POST_PMU:
1158		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_1,
1159				   CS43130_MUTE_MASK, 0);
1160		switch (cs43130->dev_id) {
1161		case CS43130_CHIP_ID:
1162		case CS4399_CHIP_ID:
1163			regmap_multi_reg_write(cs43130->regmap, unmute_seq,
1164					       ARRAY_SIZE(unmute_seq));
1165			break;
1166		}
1167		break;
1168	case SND_SOC_DAPM_PRE_PMD:
1169		switch (cs43130->dev_id) {
1170		case CS43130_CHIP_ID:
1171		case CS4399_CHIP_ID:
1172			regmap_multi_reg_write(cs43130->regmap, mute_seq,
1173					       ARRAY_SIZE(mute_seq));
1174			regmap_update_bits(cs43130->regmap,
1175					   CS43130_DSD_PATH_CTL_1,
1176					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1177			/*
1178			 * DSD Power Down Sequence
1179			 * According to Design, 130ms is preferred.
1180			 */
1181			msleep(130);
1182			break;
1183		case CS43131_CHIP_ID:
1184		case CS43198_CHIP_ID:
1185			regmap_update_bits(cs43130->regmap,
1186					   CS43130_DSD_PATH_CTL_1,
1187					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1188			break;
1189		}
1190		break;
1191	default:
1192		dev_err(component->dev, "Invalid event = 0x%x\n", event);
1193		return -EINVAL;
1194	}
1195	return 0;
1196}
1197
1198static int cs43130_pcm_event(struct snd_soc_dapm_widget *w,
1199			      struct snd_kcontrol *kcontrol, int event)
1200{
1201	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1202	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1203
1204	switch (event) {
1205	case SND_SOC_DAPM_PRE_PMU:
1206		switch (cs43130->dev_id) {
1207		case CS43130_CHIP_ID:
1208		case CS4399_CHIP_ID:
1209			regmap_multi_reg_write(cs43130->regmap, pcm_seq,
1210					       ARRAY_SIZE(pcm_seq));
1211			break;
1212		}
1213		break;
1214	case SND_SOC_DAPM_POST_PMU:
1215		regmap_update_bits(cs43130->regmap, CS43130_PCM_PATH_CTL_1,
1216				   CS43130_MUTE_MASK, 0);
1217		switch (cs43130->dev_id) {
1218		case CS43130_CHIP_ID:
1219		case CS4399_CHIP_ID:
1220			regmap_multi_reg_write(cs43130->regmap, unmute_seq,
1221					       ARRAY_SIZE(unmute_seq));
1222			break;
1223		}
1224		break;
1225	case SND_SOC_DAPM_PRE_PMD:
1226		switch (cs43130->dev_id) {
1227		case CS43130_CHIP_ID:
1228		case CS4399_CHIP_ID:
1229			regmap_multi_reg_write(cs43130->regmap, mute_seq,
1230					       ARRAY_SIZE(mute_seq));
1231			regmap_update_bits(cs43130->regmap,
1232					   CS43130_PCM_PATH_CTL_1,
1233					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1234			/*
1235			 * PCM Power Down Sequence
1236			 * According to Design, 130ms is preferred.
1237			 */
1238			msleep(130);
1239			break;
1240		case CS43131_CHIP_ID:
1241		case CS43198_CHIP_ID:
1242			regmap_update_bits(cs43130->regmap,
1243					   CS43130_PCM_PATH_CTL_1,
1244					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1245			break;
1246		}
1247		break;
1248	default:
1249		dev_err(component->dev, "Invalid event = 0x%x\n", event);
1250		return -EINVAL;
1251	}
1252	return 0;
1253}
1254
1255static const struct reg_sequence dac_postpmu_seq[] = {
1256	{CS43130_DXD9, 0x0C},
1257	{CS43130_DXD3, 0x10},
1258	{CS43130_DXD4, 0x20},
1259};
1260
1261static const struct reg_sequence dac_postpmd_seq[] = {
1262	{CS43130_DXD1, 0x99},
1263	{CS43130_DXD6, 0x01},
1264	{CS43130_DXD1, 0},
1265};
1266
1267static int cs43130_dac_event(struct snd_soc_dapm_widget *w,
1268			     struct snd_kcontrol *kcontrol, int event)
1269{
1270	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1271	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1272
1273	switch (event) {
1274	case SND_SOC_DAPM_PRE_PMU:
1275		switch (cs43130->dev_id) {
1276		case CS43130_CHIP_ID:
1277		case CS4399_CHIP_ID:
1278			regmap_multi_reg_write(cs43130->regmap, pop_free_seq,
1279					       ARRAY_SIZE(pop_free_seq));
1280			break;
1281		case CS43131_CHIP_ID:
1282		case CS43198_CHIP_ID:
1283			regmap_multi_reg_write(cs43130->regmap, pop_free_seq2,
1284					       ARRAY_SIZE(pop_free_seq2));
1285			break;
1286		}
1287		break;
1288	case SND_SOC_DAPM_POST_PMU:
1289		usleep_range(10000, 10050);
1290
1291		regmap_write(cs43130->regmap, CS43130_DXD1, 0x99);
1292
1293		switch (cs43130->dev_id) {
1294		case CS43130_CHIP_ID:
1295		case CS4399_CHIP_ID:
1296			regmap_multi_reg_write(cs43130->regmap, dac_postpmu_seq,
1297					       ARRAY_SIZE(dac_postpmu_seq));
1298			/*
1299			 * Per datasheet, Sec. PCM Power-Up Sequence.
1300			 * According to Design, CS43130_DXD12 must be 0 to meet
1301			 * THDN and Dynamic Range spec.
1302			 */
1303			msleep(1000);
1304			regmap_write(cs43130->regmap, CS43130_DXD12, 0);
1305			break;
1306		case CS43131_CHIP_ID:
1307		case CS43198_CHIP_ID:
1308			usleep_range(12000, 12010);
1309			regmap_write(cs43130->regmap, CS43130_DXD13, 0);
1310			break;
1311		}
1312
1313		regmap_write(cs43130->regmap, CS43130_DXD1, 0);
1314		break;
1315	case SND_SOC_DAPM_POST_PMD:
1316		switch (cs43130->dev_id) {
1317		case CS43130_CHIP_ID:
1318		case CS4399_CHIP_ID:
1319			regmap_multi_reg_write(cs43130->regmap, dac_postpmd_seq,
1320					       ARRAY_SIZE(dac_postpmd_seq));
1321			break;
1322		}
1323		break;
1324	default:
1325		dev_err(component->dev, "Invalid DAC event = 0x%x\n", event);
1326		return -EINVAL;
1327	}
1328	return 0;
1329}
1330
1331static const struct reg_sequence hpin_prepmd_seq[] = {
1332	{CS43130_DXD1, 0x99},
1333	{CS43130_DXD15, 0x64},
1334	{CS43130_DXD14, 0},
1335	{CS43130_DXD2, 0},
1336	{CS43130_DXD1, 0},
1337};
1338
1339static const struct reg_sequence hpin_postpmu_seq[] = {
1340	{CS43130_DXD1, 0x99},
1341	{CS43130_DXD2, 1},
1342	{CS43130_DXD14, 0xDC},
1343	{CS43130_DXD15, 0xE4},
1344	{CS43130_DXD1, 0},
1345};
1346
1347static int cs43130_hpin_event(struct snd_soc_dapm_widget *w,
1348			      struct snd_kcontrol *kcontrol, int event)
1349{
1350	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1351	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1352
1353	switch (event) {
1354	case SND_SOC_DAPM_POST_PMD:
1355		regmap_multi_reg_write(cs43130->regmap, hpin_prepmd_seq,
1356				       ARRAY_SIZE(hpin_prepmd_seq));
1357		break;
1358	case SND_SOC_DAPM_PRE_PMU:
1359		regmap_multi_reg_write(cs43130->regmap, hpin_postpmu_seq,
1360				       ARRAY_SIZE(hpin_postpmu_seq));
1361		break;
1362	default:
1363		dev_err(component->dev, "Invalid HPIN event = 0x%x\n", event);
1364		return -EINVAL;
1365	}
1366	return 0;
1367}
1368
1369static const struct snd_soc_dapm_widget digital_hp_widgets[] = {
1370	SND_SOC_DAPM_OUTPUT("HPOUTA"),
1371	SND_SOC_DAPM_OUTPUT("HPOUTB"),
1372
1373	SND_SOC_DAPM_AIF_IN_E("ASPIN PCM", NULL, 0, CS43130_PWDN_CTL,
1374			      CS43130_PDN_ASP_SHIFT, 1, cs43130_pcm_event,
1375			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1376			       SND_SOC_DAPM_PRE_PMD)),
1377
1378	SND_SOC_DAPM_AIF_IN_E("ASPIN DoP", NULL, 0, CS43130_PWDN_CTL,
1379			      CS43130_PDN_ASP_SHIFT, 1, cs43130_dsd_event,
1380			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1381			       SND_SOC_DAPM_PRE_PMD)),
1382
1383	SND_SOC_DAPM_AIF_IN_E("XSPIN DoP", NULL, 0, CS43130_PWDN_CTL,
1384			      CS43130_PDN_XSP_SHIFT, 1, cs43130_dsd_event,
1385			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1386			       SND_SOC_DAPM_PRE_PMD)),
1387
1388	SND_SOC_DAPM_AIF_IN_E("XSPIN DSD", NULL, 0, CS43130_PWDN_CTL,
1389			      CS43130_PDN_DSDIF_SHIFT, 1, cs43130_dsd_event,
1390			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1391			       SND_SOC_DAPM_PRE_PMD)),
1392
1393	SND_SOC_DAPM_DAC("DSD", NULL, CS43130_DSD_PATH_CTL_2,
1394			 CS43130_DSD_EN_SHIFT, 0),
1395
1396	SND_SOC_DAPM_DAC_E("HiFi DAC", NULL, CS43130_PWDN_CTL,
1397			   CS43130_PDN_HP_SHIFT, 1, cs43130_dac_event,
1398			   (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1399			    SND_SOC_DAPM_POST_PMD)),
1400};
1401
1402static const struct snd_soc_dapm_widget analog_hp_widgets[] = {
1403	SND_SOC_DAPM_DAC_E("Analog Playback", NULL, CS43130_HP_OUT_CTL_1,
1404			   CS43130_HP_IN_EN_SHIFT, 0, cs43130_hpin_event,
1405			   (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)),
1406};
1407
1408static struct snd_soc_dapm_widget all_hp_widgets[
1409			ARRAY_SIZE(digital_hp_widgets) +
1410			ARRAY_SIZE(analog_hp_widgets)];
1411
1412static const struct snd_soc_dapm_route digital_hp_routes[] = {
1413	{"ASPIN PCM", NULL, "ASP PCM Playback"},
1414	{"ASPIN DoP", NULL, "ASP DoP Playback"},
1415	{"XSPIN DoP", NULL, "XSP DoP Playback"},
1416	{"XSPIN DSD", NULL, "XSP DSD Playback"},
1417	{"DSD", NULL, "ASPIN DoP"},
1418	{"DSD", NULL, "XSPIN DoP"},
1419	{"DSD", NULL, "XSPIN DSD"},
1420	{"HiFi DAC", NULL, "ASPIN PCM"},
1421	{"HiFi DAC", NULL, "DSD"},
1422	{"HPOUTA", NULL, "HiFi DAC"},
1423	{"HPOUTB", NULL, "HiFi DAC"},
1424};
1425
1426static const struct snd_soc_dapm_route analog_hp_routes[] = {
1427	{"HPOUTA", NULL, "Analog Playback"},
1428	{"HPOUTB", NULL, "Analog Playback"},
1429};
1430
1431static struct snd_soc_dapm_route all_hp_routes[
1432			ARRAY_SIZE(digital_hp_routes) +
1433			ARRAY_SIZE(analog_hp_routes)];
1434
1435static const unsigned int cs43130_asp_src_rates[] = {
1436	32000, 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000
1437};
1438
1439static const struct snd_pcm_hw_constraint_list cs43130_asp_constraints = {
1440	.count	= ARRAY_SIZE(cs43130_asp_src_rates),
1441	.list	= cs43130_asp_src_rates,
1442};
1443
1444static int cs43130_pcm_startup(struct snd_pcm_substream *substream,
1445			       struct snd_soc_dai *dai)
1446{
1447	return snd_pcm_hw_constraint_list(substream->runtime, 0,
1448					  SNDRV_PCM_HW_PARAM_RATE,
1449					  &cs43130_asp_constraints);
1450}
1451
1452static const unsigned int cs43130_dop_src_rates[] = {
1453	176400, 352800,
1454};
1455
1456static const struct snd_pcm_hw_constraint_list cs43130_dop_constraints = {
1457	.count	= ARRAY_SIZE(cs43130_dop_src_rates),
1458	.list	= cs43130_dop_src_rates,
1459};
1460
1461static int cs43130_dop_startup(struct snd_pcm_substream *substream,
1462			       struct snd_soc_dai *dai)
1463{
1464	return snd_pcm_hw_constraint_list(substream->runtime, 0,
1465					  SNDRV_PCM_HW_PARAM_RATE,
1466					  &cs43130_dop_constraints);
1467}
1468
1469static int cs43130_pcm_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1470{
1471	struct snd_soc_component *component = codec_dai->component;
1472	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1473
1474	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1475	case SND_SOC_DAIFMT_CBS_CFS:
1476		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
1477		break;
1478	case SND_SOC_DAIFMT_CBM_CFM:
1479		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
1480		break;
1481	default:
1482		dev_err(component->dev, "unsupported mode\n");
1483		return -EINVAL;
1484	}
1485
1486	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1487	case SND_SOC_DAIFMT_I2S:
1488		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_I2S;
1489		break;
1490	case SND_SOC_DAIFMT_LEFT_J:
1491		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_LEFT_J;
1492		break;
1493	case SND_SOC_DAIFMT_DSP_A:
1494		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_A;
1495		break;
1496	case SND_SOC_DAIFMT_DSP_B:
1497		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_B;
1498		break;
1499	default:
1500		dev_err(component->dev,
1501			"unsupported audio format\n");
1502		return -EINVAL;
1503	}
1504
1505	dev_dbg(component->dev, "dai_id = %d,  dai_mode = %u, dai_format = %u\n",
1506		codec_dai->id,
1507		cs43130->dais[codec_dai->id].dai_mode,
1508		cs43130->dais[codec_dai->id].dai_format);
1509
1510	return 0;
1511}
1512
1513static int cs43130_dsd_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1514{
1515	struct snd_soc_component *component = codec_dai->component;
1516	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1517
1518	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1519	case SND_SOC_DAIFMT_CBS_CFS:
1520		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
1521		break;
1522	case SND_SOC_DAIFMT_CBM_CFM:
1523		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
1524		break;
1525	default:
1526		dev_err(component->dev, "Unsupported DAI format.\n");
1527		return -EINVAL;
1528	}
1529
1530	dev_dbg(component->dev, "dai_mode = 0x%x\n",
1531		cs43130->dais[codec_dai->id].dai_mode);
1532
1533	return 0;
1534}
1535
1536static int cs43130_set_sysclk(struct snd_soc_dai *codec_dai,
1537				  int clk_id, unsigned int freq, int dir)
1538{
1539	struct snd_soc_component *component = codec_dai->component;
1540	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1541
1542	cs43130->dais[codec_dai->id].sclk = freq;
1543	dev_dbg(component->dev, "dai_id = %d,  sclk = %u\n", codec_dai->id,
1544		cs43130->dais[codec_dai->id].sclk);
1545
1546	return 0;
1547}
1548
1549static const struct snd_soc_dai_ops cs43130_pcm_ops = {
1550	.startup	= cs43130_pcm_startup,
1551	.hw_params	= cs43130_hw_params,
1552	.hw_free	= cs43130_hw_free,
1553	.set_sysclk	= cs43130_set_sysclk,
1554	.set_fmt	= cs43130_pcm_set_fmt,
1555};
1556
1557static const struct snd_soc_dai_ops cs43130_dop_ops = {
1558	.startup	= cs43130_dop_startup,
1559	.hw_params	= cs43130_hw_params,
1560	.hw_free	= cs43130_hw_free,
1561	.set_sysclk	= cs43130_set_sysclk,
1562	.set_fmt	= cs43130_pcm_set_fmt,
1563};
1564
1565static const struct snd_soc_dai_ops cs43130_dsd_ops = {
1566	.startup        = cs43130_dop_startup,
1567	.hw_params	= cs43130_dsd_hw_params,
1568	.hw_free	= cs43130_hw_free,
1569	.set_fmt	= cs43130_dsd_set_fmt,
1570};
1571
1572static struct snd_soc_dai_driver cs43130_dai[] = {
1573	{
1574		.name = "cs43130-asp-pcm",
1575		.id = CS43130_ASP_PCM_DAI,
1576		.playback = {
1577			.stream_name = "ASP PCM Playback",
1578			.channels_min = 1,
1579			.channels_max = 2,
1580			.rates = SNDRV_PCM_RATE_KNOT,
1581			.formats = CS43130_PCM_FORMATS,
1582		},
1583		.ops = &cs43130_pcm_ops,
1584		.symmetric_rates = 1,
1585	},
1586	{
1587		.name = "cs43130-asp-dop",
1588		.id = CS43130_ASP_DOP_DAI,
1589		.playback = {
1590			.stream_name = "ASP DoP Playback",
1591			.channels_min = 1,
1592			.channels_max = 2,
1593			.rates = SNDRV_PCM_RATE_KNOT,
1594			.formats = CS43130_DOP_FORMATS,
1595		},
1596		.ops = &cs43130_dop_ops,
1597		.symmetric_rates = 1,
1598	},
1599	{
1600		.name = "cs43130-xsp-dop",
1601		.id = CS43130_XSP_DOP_DAI,
1602		.playback = {
1603			.stream_name = "XSP DoP Playback",
1604			.channels_min = 1,
1605			.channels_max = 2,
1606			.rates = SNDRV_PCM_RATE_KNOT,
1607			.formats = CS43130_DOP_FORMATS,
1608		},
1609		.ops = &cs43130_dop_ops,
1610		.symmetric_rates = 1,
1611	},
1612	{
1613		.name = "cs43130-xsp-dsd",
1614		.id = CS43130_XSP_DSD_DAI,
1615		.playback = {
1616			.stream_name = "XSP DSD Playback",
1617			.channels_min = 1,
1618			.channels_max = 2,
1619			.rates = SNDRV_PCM_RATE_KNOT,
1620			.formats = CS43130_DOP_FORMATS,
1621		},
1622		.ops = &cs43130_dsd_ops,
1623	},
1624
1625};
1626
1627static int cs43130_component_set_sysclk(struct snd_soc_component *component,
1628				    int clk_id, int source, unsigned int freq,
1629				    int dir)
1630{
1631	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1632
1633	dev_dbg(component->dev, "clk_id = %d, source = %d, freq = %d, dir = %d\n",
1634		clk_id, source, freq, dir);
1635
1636	switch (freq) {
1637	case CS43130_MCLK_22M:
1638	case CS43130_MCLK_24M:
1639		cs43130->mclk = freq;
1640		break;
1641	default:
1642		dev_err(component->dev, "Invalid MCLK INT freq: %u\n", freq);
1643		return -EINVAL;
1644	}
1645
1646	if (source == CS43130_MCLK_SRC_EXT) {
1647		cs43130->pll_bypass = true;
1648	} else {
1649		dev_err(component->dev, "Invalid MCLK source\n");
1650		return -EINVAL;
1651	}
1652
1653	return 0;
1654}
1655
1656static inline u16 cs43130_get_ac_reg_val(u16 ac_freq)
1657{
1658	/* AC freq is counted in 5.94Hz step. */
1659	return ac_freq / 6;
1660}
1661
1662static int cs43130_show_dc(struct device *dev, char *buf, u8 ch)
1663{
1664	struct i2c_client *client = to_i2c_client(dev);
1665	struct cs43130_private *cs43130 = i2c_get_clientdata(client);
1666
1667	if (!cs43130->hpload_done)
1668		return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n");
1669	else
1670		return scnprintf(buf, PAGE_SIZE, "%u\n",
1671				 cs43130->hpload_dc[ch]);
1672}
1673
1674static ssize_t cs43130_show_dc_l(struct device *dev,
1675				 struct device_attribute *attr, char *buf)
1676{
1677	return cs43130_show_dc(dev, buf, HP_LEFT);
1678}
1679
1680static ssize_t cs43130_show_dc_r(struct device *dev,
1681				 struct device_attribute *attr, char *buf)
1682{
1683	return cs43130_show_dc(dev, buf, HP_RIGHT);
1684}
1685
1686static u16 const cs43130_ac_freq[CS43130_AC_FREQ] = {
1687	24,
1688	43,
1689	93,
1690	200,
1691	431,
1692	928,
1693	2000,
1694	4309,
1695	9283,
1696	20000,
1697};
1698
1699static int cs43130_show_ac(struct device *dev, char *buf, u8 ch)
1700{
1701	int i, j = 0, tmp;
1702	struct i2c_client *client = to_i2c_client(dev);
1703	struct cs43130_private *cs43130 = i2c_get_clientdata(client);
1704
1705	if (cs43130->hpload_done && cs43130->ac_meas) {
1706		for (i = 0; i < ARRAY_SIZE(cs43130_ac_freq); i++) {
1707			tmp = scnprintf(buf + j, PAGE_SIZE - j, "%u\n",
1708					cs43130->hpload_ac[i][ch]);
1709			if (!tmp)
1710				break;
1711
1712			j += tmp;
1713		}
1714
1715		return j;
1716	} else {
1717		return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n");
1718	}
1719}
1720
1721static ssize_t cs43130_show_ac_l(struct device *dev,
1722				 struct device_attribute *attr, char *buf)
1723{
1724	return cs43130_show_ac(dev, buf, HP_LEFT);
1725}
1726
1727static ssize_t cs43130_show_ac_r(struct device *dev,
1728				 struct device_attribute *attr, char *buf)
1729{
1730	return cs43130_show_ac(dev, buf, HP_RIGHT);
1731}
1732
1733static DEVICE_ATTR(hpload_dc_l, 0444, cs43130_show_dc_l, NULL);
1734static DEVICE_ATTR(hpload_dc_r, 0444, cs43130_show_dc_r, NULL);
1735static DEVICE_ATTR(hpload_ac_l, 0444, cs43130_show_ac_l, NULL);
1736static DEVICE_ATTR(hpload_ac_r, 0444, cs43130_show_ac_r, NULL);
1737
1738static struct reg_sequence hp_en_cal_seq[] = {
1739	{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
1740	{CS43130_HP_MEAS_LOAD_1, 0},
1741	{CS43130_HP_MEAS_LOAD_2, 0},
1742	{CS43130_INT_MASK_4, 0},
1743	{CS43130_DXD1, 0x99},
1744	{CS43130_DXD16, 0xBB},
1745	{CS43130_DXD12, 0x01},
1746	{CS43130_DXD19, 0xCB},
1747	{CS43130_DXD17, 0x95},
1748	{CS43130_DXD18, 0x0B},
1749	{CS43130_DXD1, 0},
1750	{CS43130_HP_LOAD_1, 0x80},
1751};
1752
1753static struct reg_sequence hp_en_cal_seq2[] = {
1754	{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
1755	{CS43130_HP_MEAS_LOAD_1, 0},
1756	{CS43130_HP_MEAS_LOAD_2, 0},
1757	{CS43130_INT_MASK_4, 0},
1758	{CS43130_HP_LOAD_1, 0x80},
1759};
1760
1761static struct reg_sequence hp_dis_cal_seq[] = {
1762	{CS43130_HP_LOAD_1, 0x80},
1763	{CS43130_DXD1, 0x99},
1764	{CS43130_DXD12, 0},
1765	{CS43130_DXD1, 0},
1766	{CS43130_HP_LOAD_1, 0},
1767};
1768
1769static struct reg_sequence hp_dis_cal_seq2[] = {
1770	{CS43130_HP_LOAD_1, 0x80},
1771	{CS43130_HP_LOAD_1, 0},
1772};
1773
1774static struct reg_sequence hp_dc_ch_l_seq[] = {
1775	{CS43130_DXD1, 0x99},
1776	{CS43130_DXD19, 0x0A},
1777	{CS43130_DXD17, 0x93},
1778	{CS43130_DXD18, 0x0A},
1779	{CS43130_DXD1, 0},
1780	{CS43130_HP_LOAD_1, 0x80},
1781	{CS43130_HP_LOAD_1, 0x81},
1782};
1783
1784static struct reg_sequence hp_dc_ch_l_seq2[] = {
1785	{CS43130_HP_LOAD_1, 0x80},
1786	{CS43130_HP_LOAD_1, 0x81},
1787};
1788
1789static struct reg_sequence hp_dc_ch_r_seq[] = {
1790	{CS43130_DXD1, 0x99},
1791	{CS43130_DXD19, 0x8A},
1792	{CS43130_DXD17, 0x15},
1793	{CS43130_DXD18, 0x06},
1794	{CS43130_DXD1, 0},
1795	{CS43130_HP_LOAD_1, 0x90},
1796	{CS43130_HP_LOAD_1, 0x91},
1797};
1798
1799static struct reg_sequence hp_dc_ch_r_seq2[] = {
1800	{CS43130_HP_LOAD_1, 0x90},
1801	{CS43130_HP_LOAD_1, 0x91},
1802};
1803
1804static struct reg_sequence hp_ac_ch_l_seq[] = {
1805	{CS43130_DXD1, 0x99},
1806	{CS43130_DXD19, 0x0A},
1807	{CS43130_DXD17, 0x93},
1808	{CS43130_DXD18, 0x0A},
1809	{CS43130_DXD1, 0},
1810	{CS43130_HP_LOAD_1, 0x80},
1811	{CS43130_HP_LOAD_1, 0x82},
1812};
1813
1814static struct reg_sequence hp_ac_ch_l_seq2[] = {
1815	{CS43130_HP_LOAD_1, 0x80},
1816	{CS43130_HP_LOAD_1, 0x82},
1817};
1818
1819static struct reg_sequence hp_ac_ch_r_seq[] = {
1820	{CS43130_DXD1, 0x99},
1821	{CS43130_DXD19, 0x8A},
1822	{CS43130_DXD17, 0x15},
1823	{CS43130_DXD18, 0x06},
1824	{CS43130_DXD1, 0},
1825	{CS43130_HP_LOAD_1, 0x90},
1826	{CS43130_HP_LOAD_1, 0x92},
1827};
1828
1829static struct reg_sequence hp_ac_ch_r_seq2[] = {
1830	{CS43130_HP_LOAD_1, 0x90},
1831	{CS43130_HP_LOAD_1, 0x92},
1832};
1833
1834static struct reg_sequence hp_cln_seq[] = {
1835	{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
1836	{CS43130_HP_MEAS_LOAD_1, 0},
1837	{CS43130_HP_MEAS_LOAD_2, 0},
1838};
1839
1840struct reg_sequences {
1841	struct reg_sequence	*seq;
1842	int			size;
1843	unsigned int		msk;
1844};
1845
1846static struct reg_sequences hpload_seq1[] = {
1847	{
1848		.seq	= hp_en_cal_seq,
1849		.size	= ARRAY_SIZE(hp_en_cal_seq),
1850		.msk	= CS43130_HPLOAD_ON_INT,
1851	},
1852	{
1853		.seq	= hp_dc_ch_l_seq,
1854		.size	= ARRAY_SIZE(hp_dc_ch_l_seq),
1855		.msk	= CS43130_HPLOAD_DC_INT,
1856	},
1857	{
1858		.seq	= hp_ac_ch_l_seq,
1859		.size	= ARRAY_SIZE(hp_ac_ch_l_seq),
1860		.msk	= CS43130_HPLOAD_AC_INT,
1861	},
1862	{
1863		.seq	= hp_dis_cal_seq,
1864		.size	= ARRAY_SIZE(hp_dis_cal_seq),
1865		.msk	= CS43130_HPLOAD_OFF_INT,
1866	},
1867	{
1868		.seq	= hp_en_cal_seq,
1869		.size	= ARRAY_SIZE(hp_en_cal_seq),
1870		.msk	= CS43130_HPLOAD_ON_INT,
1871	},
1872	{
1873		.seq	= hp_dc_ch_r_seq,
1874		.size	= ARRAY_SIZE(hp_dc_ch_r_seq),
1875		.msk	= CS43130_HPLOAD_DC_INT,
1876	},
1877	{
1878		.seq	= hp_ac_ch_r_seq,
1879		.size	= ARRAY_SIZE(hp_ac_ch_r_seq),
1880		.msk	= CS43130_HPLOAD_AC_INT,
1881	},
1882};
1883
1884static struct reg_sequences hpload_seq2[] = {
1885	{
1886		.seq	= hp_en_cal_seq2,
1887		.size	= ARRAY_SIZE(hp_en_cal_seq2),
1888		.msk	= CS43130_HPLOAD_ON_INT,
1889	},
1890	{
1891		.seq	= hp_dc_ch_l_seq2,
1892		.size	= ARRAY_SIZE(hp_dc_ch_l_seq2),
1893		.msk	= CS43130_HPLOAD_DC_INT,
1894	},
1895	{
1896		.seq	= hp_ac_ch_l_seq2,
1897		.size	= ARRAY_SIZE(hp_ac_ch_l_seq2),
1898		.msk	= CS43130_HPLOAD_AC_INT,
1899	},
1900	{
1901		.seq	= hp_dis_cal_seq2,
1902		.size	= ARRAY_SIZE(hp_dis_cal_seq2),
1903		.msk	= CS43130_HPLOAD_OFF_INT,
1904	},
1905	{
1906		.seq	= hp_en_cal_seq2,
1907		.size	= ARRAY_SIZE(hp_en_cal_seq2),
1908		.msk	= CS43130_HPLOAD_ON_INT,
1909	},
1910	{
1911		.seq	= hp_dc_ch_r_seq2,
1912		.size	= ARRAY_SIZE(hp_dc_ch_r_seq2),
1913		.msk	= CS43130_HPLOAD_DC_INT,
1914	},
1915	{
1916		.seq	= hp_ac_ch_r_seq2,
1917		.size	= ARRAY_SIZE(hp_ac_ch_r_seq2),
1918		.msk	= CS43130_HPLOAD_AC_INT,
1919	},
1920};
1921
1922static int cs43130_update_hpload(unsigned int msk, int ac_idx,
1923				 struct cs43130_private *cs43130)
1924{
1925	bool left_ch = true;
1926	unsigned int reg;
1927	u32 addr;
1928	u16 impedance;
1929	struct snd_soc_component *component = cs43130->component;
1930
1931	switch (msk) {
1932	case CS43130_HPLOAD_DC_INT:
1933	case CS43130_HPLOAD_AC_INT:
1934		break;
1935	default:
1936		return 0;
1937	}
1938
1939	regmap_read(cs43130->regmap, CS43130_HP_LOAD_1, &reg);
1940	if (reg & CS43130_HPLOAD_CHN_SEL)
1941		left_ch = false;
1942
1943	if (msk == CS43130_HPLOAD_DC_INT)
1944		addr = CS43130_HP_DC_STAT_1;
1945	else
1946		addr = CS43130_HP_AC_STAT_1;
1947
1948	regmap_read(cs43130->regmap, addr, &reg);
1949	impedance = reg >> 3;
1950	regmap_read(cs43130->regmap, addr + 1, &reg);
1951	impedance |= reg << 5;
1952
1953	if (msk == CS43130_HPLOAD_DC_INT) {
1954		if (left_ch)
1955			cs43130->hpload_dc[HP_LEFT] = impedance;
1956		else
1957			cs43130->hpload_dc[HP_RIGHT] = impedance;
1958
1959		dev_dbg(component->dev, "HP DC impedance (Ch %u): %u\n", !left_ch,
1960			impedance);
1961	} else {
1962		if (left_ch)
1963			cs43130->hpload_ac[ac_idx][HP_LEFT] = impedance;
1964		else
1965			cs43130->hpload_ac[ac_idx][HP_RIGHT] = impedance;
1966
1967		dev_dbg(component->dev, "HP AC (%u Hz) impedance (Ch %u): %u\n",
1968			cs43130->ac_freq[ac_idx], !left_ch, impedance);
1969	}
1970
1971	return 0;
1972}
1973
1974static int cs43130_hpload_proc(struct cs43130_private *cs43130,
1975			       struct reg_sequence *seq, int seq_size,
1976			       unsigned int rslt_msk, int ac_idx)
1977{
1978	int ret;
1979	unsigned int msk;
1980	u16 ac_reg_val;
1981	struct snd_soc_component *component = cs43130->component;
1982
1983	reinit_completion(&cs43130->hpload_evt);
1984
1985	if (rslt_msk == CS43130_HPLOAD_AC_INT) {
1986		ac_reg_val = cs43130_get_ac_reg_val(cs43130->ac_freq[ac_idx]);
1987		regmap_update_bits(cs43130->regmap, CS43130_HP_LOAD_1,
1988				   CS43130_HPLOAD_AC_START, 0);
1989		regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_1,
1990				   CS43130_HP_MEAS_LOAD_MASK,
1991				   ac_reg_val >> CS43130_HP_MEAS_LOAD_1_SHIFT);
1992		regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_2,
1993				   CS43130_HP_MEAS_LOAD_MASK,
1994				   ac_reg_val >> CS43130_HP_MEAS_LOAD_2_SHIFT);
1995	}
1996
1997	regmap_multi_reg_write(cs43130->regmap, seq,
1998			       seq_size);
1999
2000	ret = wait_for_completion_timeout(&cs43130->hpload_evt,
2001					  msecs_to_jiffies(1000));
2002	regmap_read(cs43130->regmap, CS43130_INT_MASK_4, &msk);
2003	if (!ret) {
2004		dev_err(component->dev, "Timeout waiting for HPLOAD interrupt\n");
2005		return -1;
2006	}
2007
2008	dev_dbg(component->dev, "HP load stat: %x, INT_MASK_4: %x\n",
2009		cs43130->hpload_stat, msk);
2010	if ((cs43130->hpload_stat & (CS43130_HPLOAD_NO_DC_INT |
2011				     CS43130_HPLOAD_UNPLUG_INT |
2012				     CS43130_HPLOAD_OOR_INT)) ||
2013	    !(cs43130->hpload_stat & rslt_msk)) {
2014		dev_dbg(component->dev, "HP load measure failed\n");
2015		return -1;
2016	}
2017
2018	return 0;
2019}
2020
2021static const struct reg_sequence hv_seq[][2] = {
2022	{
2023		{CS43130_CLASS_H_CTL, 0x1C},
2024		{CS43130_HP_OUT_CTL_1, 0x10},
2025	},
2026	{
2027		{CS43130_CLASS_H_CTL, 0x1E},
2028		{CS43130_HP_OUT_CTL_1, 0x20},
2029	},
2030	{
2031		{CS43130_CLASS_H_CTL, 0x1E},
2032		{CS43130_HP_OUT_CTL_1, 0x30},
2033	},
2034};
2035
2036static int cs43130_set_hv(struct regmap *regmap, u16 hpload_dc,
2037			  const u16 *dc_threshold)
2038{
2039	int i;
2040
2041	for (i = 0; i < CS43130_DC_THRESHOLD; i++) {
2042		if (hpload_dc <= dc_threshold[i])
2043			break;
2044	}
2045
2046	regmap_multi_reg_write(regmap, hv_seq[i], ARRAY_SIZE(hv_seq[i]));
2047
2048	return 0;
2049}
2050
2051static void cs43130_imp_meas(struct work_struct *wk)
2052{
2053	unsigned int reg, seq_size;
2054	int i, ret, ac_idx;
2055	struct cs43130_private *cs43130;
2056	struct snd_soc_component *component;
2057	struct reg_sequences *hpload_seq;
2058
2059	cs43130 = container_of(wk, struct cs43130_private, work);
2060	component = cs43130->component;
2061
2062	if (!cs43130->mclk)
2063		return;
2064
2065	cs43130->hpload_done = false;
2066
2067	mutex_lock(&cs43130->clk_mutex);
2068	if (!cs43130->clk_req) {
2069		/* clk not in use */
2070		cs43130_set_pll(component, 0, 0, cs43130->mclk, CS43130_MCLK_22M);
2071		if (cs43130->pll_bypass)
2072			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
2073		else
2074			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
2075	}
2076
2077	cs43130->clk_req++;
2078	mutex_unlock(&cs43130->clk_mutex);
2079
2080	regmap_read(cs43130->regmap, CS43130_INT_STATUS_4, &reg);
2081
2082	switch (cs43130->dev_id) {
2083	case CS43130_CHIP_ID:
2084		hpload_seq = hpload_seq1;
2085		seq_size = ARRAY_SIZE(hpload_seq1);
2086		break;
2087	case CS43131_CHIP_ID:
2088		hpload_seq = hpload_seq2;
2089		seq_size = ARRAY_SIZE(hpload_seq2);
2090		break;
2091	default:
2092		WARN(1, "Invalid dev_id for meas: %d", cs43130->dev_id);
2093		return;
2094	}
2095
2096	i = 0;
2097	ac_idx = 0;
2098	while (i < seq_size) {
2099		ret = cs43130_hpload_proc(cs43130, hpload_seq[i].seq,
2100					  hpload_seq[i].size,
2101					  hpload_seq[i].msk, ac_idx);
2102		if (ret < 0)
2103			goto exit;
2104
2105		cs43130_update_hpload(hpload_seq[i].msk, ac_idx, cs43130);
2106
2107		if (cs43130->ac_meas &&
2108		    hpload_seq[i].msk == CS43130_HPLOAD_AC_INT &&
2109		    ac_idx < CS43130_AC_FREQ - 1) {
2110			ac_idx++;
2111		} else {
2112			ac_idx = 0;
2113			i++;
2114		}
2115	}
2116	cs43130->hpload_done = true;
2117
2118	if (cs43130->hpload_dc[HP_LEFT] >= CS43130_LINEOUT_LOAD)
2119		snd_soc_jack_report(&cs43130->jack, CS43130_JACK_LINEOUT,
2120				    CS43130_JACK_MASK);
2121	else
2122		snd_soc_jack_report(&cs43130->jack, CS43130_JACK_HEADPHONE,
2123				    CS43130_JACK_MASK);
2124
2125	dev_dbg(component->dev, "Set HP output control. DC threshold\n");
2126	for (i = 0; i < CS43130_DC_THRESHOLD; i++)
2127		dev_dbg(component->dev, "DC threshold[%d]: %u.\n", i,
2128			cs43130->dc_threshold[i]);
2129
2130	cs43130_set_hv(cs43130->regmap, cs43130->hpload_dc[HP_LEFT],
2131		       cs43130->dc_threshold);
2132
2133exit:
2134	switch (cs43130->dev_id) {
2135	case CS43130_CHIP_ID:
2136		cs43130_hpload_proc(cs43130, hp_dis_cal_seq,
2137				    ARRAY_SIZE(hp_dis_cal_seq),
2138				    CS43130_HPLOAD_OFF_INT, ac_idx);
2139		break;
2140	case CS43131_CHIP_ID:
2141		cs43130_hpload_proc(cs43130, hp_dis_cal_seq2,
2142				    ARRAY_SIZE(hp_dis_cal_seq2),
2143				    CS43130_HPLOAD_OFF_INT, ac_idx);
2144		break;
2145	}
2146
2147	regmap_multi_reg_write(cs43130->regmap, hp_cln_seq,
2148			       ARRAY_SIZE(hp_cln_seq));
2149
2150	mutex_lock(&cs43130->clk_mutex);
2151	cs43130->clk_req--;
2152	/* clk not in use */
2153	if (!cs43130->clk_req)
2154		cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
2155	mutex_unlock(&cs43130->clk_mutex);
2156}
2157
2158static irqreturn_t cs43130_irq_thread(int irq, void *data)
2159{
2160	struct cs43130_private *cs43130 = (struct cs43130_private *)data;
2161	struct snd_soc_component *component = cs43130->component;
2162	unsigned int stickies[CS43130_NUM_INT];
2163	unsigned int irq_occurrence = 0;
2164	unsigned int masks[CS43130_NUM_INT];
2165	int i, j;
2166
2167	for (i = 0; i < ARRAY_SIZE(stickies); i++) {
2168		regmap_read(cs43130->regmap, CS43130_INT_STATUS_1 + i,
2169			    &stickies[i]);
2170		regmap_read(cs43130->regmap, CS43130_INT_MASK_1 + i,
2171			    &masks[i]);
2172	}
2173
2174	for (i = 0; i < ARRAY_SIZE(stickies); i++) {
2175		stickies[i] = stickies[i] & (~masks[i]);
2176		for (j = 0; j < 8; j++)
2177			irq_occurrence += (stickies[i] >> j) & 1;
2178	}
2179	dev_dbg(component->dev, "number of interrupts occurred (%u)\n",
2180		irq_occurrence);
2181
2182	if (!irq_occurrence)
2183		return IRQ_NONE;
2184
2185	if (stickies[0] & CS43130_XTAL_RDY_INT) {
2186		complete(&cs43130->xtal_rdy);
2187		return IRQ_HANDLED;
2188	}
2189
2190	if (stickies[0] & CS43130_PLL_RDY_INT) {
2191		complete(&cs43130->pll_rdy);
2192		return IRQ_HANDLED;
2193	}
2194
2195	if (stickies[3] & CS43130_HPLOAD_NO_DC_INT) {
2196		cs43130->hpload_stat = stickies[3];
2197		dev_err(component->dev,
2198			"DC load has not completed before AC load (%x)\n",
2199			cs43130->hpload_stat);
2200		complete(&cs43130->hpload_evt);
2201		return IRQ_HANDLED;
2202	}
2203
2204	if (stickies[3] & CS43130_HPLOAD_UNPLUG_INT) {
2205		cs43130->hpload_stat = stickies[3];
2206		dev_err(component->dev, "HP unplugged during measurement (%x)\n",
2207			cs43130->hpload_stat);
2208		complete(&cs43130->hpload_evt);
2209		return IRQ_HANDLED;
2210	}
2211
2212	if (stickies[3] & CS43130_HPLOAD_OOR_INT) {
2213		cs43130->hpload_stat = stickies[3];
2214		dev_err(component->dev, "HP load out of range (%x)\n",
2215			cs43130->hpload_stat);
2216		complete(&cs43130->hpload_evt);
2217		return IRQ_HANDLED;
2218	}
2219
2220	if (stickies[3] & CS43130_HPLOAD_AC_INT) {
2221		cs43130->hpload_stat = stickies[3];
2222		dev_dbg(component->dev, "HP AC load measurement done (%x)\n",
2223			cs43130->hpload_stat);
2224		complete(&cs43130->hpload_evt);
2225		return IRQ_HANDLED;
2226	}
2227
2228	if (stickies[3] & CS43130_HPLOAD_DC_INT) {
2229		cs43130->hpload_stat = stickies[3];
2230		dev_dbg(component->dev, "HP DC load measurement done (%x)\n",
2231			cs43130->hpload_stat);
2232		complete(&cs43130->hpload_evt);
2233		return IRQ_HANDLED;
2234	}
2235
2236	if (stickies[3] & CS43130_HPLOAD_ON_INT) {
2237		cs43130->hpload_stat = stickies[3];
2238		dev_dbg(component->dev, "HP load state machine on done (%x)\n",
2239			cs43130->hpload_stat);
2240		complete(&cs43130->hpload_evt);
2241		return IRQ_HANDLED;
2242	}
2243
2244	if (stickies[3] & CS43130_HPLOAD_OFF_INT) {
2245		cs43130->hpload_stat = stickies[3];
2246		dev_dbg(component->dev, "HP load state machine off done (%x)\n",
2247			cs43130->hpload_stat);
2248		complete(&cs43130->hpload_evt);
2249		return IRQ_HANDLED;
2250	}
2251
2252	if (stickies[0] & CS43130_XTAL_ERR_INT) {
2253		dev_err(component->dev, "Crystal err: clock is not running\n");
2254		return IRQ_HANDLED;
2255	}
2256
2257	if (stickies[0] & CS43130_HP_UNPLUG_INT) {
2258		dev_dbg(component->dev, "HP unplugged\n");
2259		cs43130->hpload_done = false;
2260		snd_soc_jack_report(&cs43130->jack, 0, CS43130_JACK_MASK);
2261		return IRQ_HANDLED;
2262	}
2263
2264	if (stickies[0] & CS43130_HP_PLUG_INT) {
2265		if (cs43130->dc_meas && !cs43130->hpload_done &&
2266		    !work_busy(&cs43130->work)) {
2267			dev_dbg(component->dev, "HP load queue work\n");
2268			queue_work(cs43130->wq, &cs43130->work);
2269		}
2270
2271		snd_soc_jack_report(&cs43130->jack, SND_JACK_MECHANICAL,
2272				    CS43130_JACK_MASK);
2273		return IRQ_HANDLED;
2274	}
2275
2276	return IRQ_NONE;
2277}
2278
2279static int cs43130_probe(struct snd_soc_component *component)
2280{
2281	int ret;
2282	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
2283	struct snd_soc_card *card = component->card;
2284	unsigned int reg;
2285
2286	cs43130->component = component;
2287
2288	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) {
2289		regmap_update_bits(cs43130->regmap, CS43130_CRYSTAL_SET,
2290				   CS43130_XTAL_IBIAS_MASK,
2291				   cs43130->xtal_ibias);
2292		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2293				   CS43130_XTAL_ERR_INT, 0);
2294	}
2295
2296	ret = snd_soc_card_jack_new(card, "Headphone", CS43130_JACK_MASK,
2297				    &cs43130->jack, NULL, 0);
2298	if (ret < 0) {
2299		dev_err(component->dev, "Cannot create jack\n");
2300		return ret;
2301	}
2302
2303	cs43130->hpload_done = false;
2304	if (cs43130->dc_meas) {
2305		ret = device_create_file(component->dev, &dev_attr_hpload_dc_l);
2306		if (ret < 0)
2307			return ret;
2308
2309		ret = device_create_file(component->dev, &dev_attr_hpload_dc_r);
2310		if (ret < 0)
2311			return ret;
2312
2313		ret = device_create_file(component->dev, &dev_attr_hpload_ac_l);
2314		if (ret < 0)
2315			return ret;
2316
2317		ret = device_create_file(component->dev, &dev_attr_hpload_ac_r);
2318		if (ret < 0)
2319			return ret;
2320
2321		cs43130->wq = create_singlethread_workqueue("cs43130_hp");
2322		if (!cs43130->wq)
2323			return -ENOMEM;
2324		INIT_WORK(&cs43130->work, cs43130_imp_meas);
2325	}
2326
2327	regmap_read(cs43130->regmap, CS43130_INT_STATUS_1, &reg);
2328	regmap_read(cs43130->regmap, CS43130_HP_STATUS, &reg);
2329	regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2330			   CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT, 0);
2331	regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
2332			   CS43130_HP_DETECT_CTRL_MASK, 0);
2333	regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
2334			   CS43130_HP_DETECT_CTRL_MASK,
2335			   CS43130_HP_DETECT_CTRL_MASK);
2336
2337	return 0;
2338}
2339
2340static struct snd_soc_component_driver soc_component_dev_cs43130 = {
2341	.probe			= cs43130_probe,
2342	.controls		= cs43130_snd_controls,
2343	.num_controls		= ARRAY_SIZE(cs43130_snd_controls),
2344	.set_sysclk		= cs43130_component_set_sysclk,
2345	.set_pll		= cs43130_set_pll,
2346	.idle_bias_on		= 1,
2347	.use_pmdown_time	= 1,
2348	.endianness		= 1,
2349	.non_legacy_dai_naming	= 1,
2350};
2351
2352static const struct regmap_config cs43130_regmap = {
2353	.reg_bits		= 24,
2354	.pad_bits		= 8,
2355	.val_bits		= 8,
2356
2357	.max_register		= CS43130_LASTREG,
2358	.reg_defaults		= cs43130_reg_defaults,
2359	.num_reg_defaults	= ARRAY_SIZE(cs43130_reg_defaults),
2360	.readable_reg		= cs43130_readable_register,
2361	.precious_reg		= cs43130_precious_register,
2362	.volatile_reg		= cs43130_volatile_register,
2363	.cache_type		= REGCACHE_RBTREE,
2364	/* needed for regcache_sync */
2365	.use_single_read	= true,
2366	.use_single_write	= true,
2367};
2368
2369static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = {
2370	50,
2371	120,
2372};
2373
2374static int cs43130_handle_device_data(struct i2c_client *i2c_client,
2375				      struct cs43130_private *cs43130)
2376{
2377	struct device_node *np = i2c_client->dev.of_node;
2378	unsigned int val;
2379	int i;
2380
2381	if (of_property_read_u32(np, "cirrus,xtal-ibias", &val) < 0) {
2382		/* Crystal is unused. System clock is used for external MCLK */
2383		cs43130->xtal_ibias = CS43130_XTAL_UNUSED;
2384		return 0;
2385	}
2386
2387	switch (val) {
2388	case 1:
2389		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_7_5UA;
2390		break;
2391	case 2:
2392		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_12_5UA;
2393		break;
2394	case 3:
2395		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_15UA;
2396		break;
2397	default:
2398		dev_err(&i2c_client->dev,
2399			"Invalid cirrus,xtal-ibias value: %d\n", val);
2400		return -EINVAL;
2401	}
2402
2403	cs43130->dc_meas = of_property_read_bool(np, "cirrus,dc-measure");
2404	cs43130->ac_meas = of_property_read_bool(np, "cirrus,ac-measure");
2405
2406	if (of_property_read_u16_array(np, "cirrus,ac-freq", cs43130->ac_freq,
2407					CS43130_AC_FREQ) < 0) {
2408		for (i = 0; i < CS43130_AC_FREQ; i++)
2409			cs43130->ac_freq[i] = cs43130_ac_freq[i];
2410	}
2411
2412	if (of_property_read_u16_array(np, "cirrus,dc-threshold",
2413				       cs43130->dc_threshold,
2414				       CS43130_DC_THRESHOLD) < 0) {
2415		for (i = 0; i < CS43130_DC_THRESHOLD; i++)
2416			cs43130->dc_threshold[i] = cs43130_dc_threshold[i];
2417	}
2418
2419	return 0;
2420}
2421
2422static int cs43130_i2c_probe(struct i2c_client *client,
2423			     const struct i2c_device_id *id)
2424{
2425	struct cs43130_private *cs43130;
2426	int ret;
2427	unsigned int devid = 0;
2428	unsigned int reg;
2429	int i;
2430
2431	cs43130 = devm_kzalloc(&client->dev, sizeof(*cs43130), GFP_KERNEL);
2432	if (!cs43130)
2433		return -ENOMEM;
2434
2435	i2c_set_clientdata(client, cs43130);
2436
2437	cs43130->regmap = devm_regmap_init_i2c(client, &cs43130_regmap);
2438	if (IS_ERR(cs43130->regmap)) {
2439		ret = PTR_ERR(cs43130->regmap);
2440		return ret;
2441	}
2442
2443	if (client->dev.of_node) {
2444		ret = cs43130_handle_device_data(client, cs43130);
2445		if (ret != 0)
2446			return ret;
2447	}
2448	for (i = 0; i < ARRAY_SIZE(cs43130->supplies); i++)
2449		cs43130->supplies[i].supply = cs43130_supply_names[i];
2450
2451	ret = devm_regulator_bulk_get(&client->dev,
2452				      ARRAY_SIZE(cs43130->supplies),
2453				      cs43130->supplies);
2454	if (ret != 0) {
2455		dev_err(&client->dev, "Failed to request supplies: %d\n", ret);
2456		return ret;
2457	}
2458	ret = regulator_bulk_enable(ARRAY_SIZE(cs43130->supplies),
2459				    cs43130->supplies);
2460	if (ret != 0) {
2461		dev_err(&client->dev, "Failed to enable supplies: %d\n", ret);
2462		return ret;
2463	}
2464
2465	cs43130->reset_gpio = devm_gpiod_get_optional(&client->dev,
2466						      "reset", GPIOD_OUT_LOW);
2467	if (IS_ERR(cs43130->reset_gpio))
2468		return PTR_ERR(cs43130->reset_gpio);
2469
2470	gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
2471
2472	usleep_range(2000, 2050);
2473
2474	ret = regmap_read(cs43130->regmap, CS43130_DEVID_AB, &reg);
2475
2476	devid = (reg & 0xFF) << 12;
2477	ret = regmap_read(cs43130->regmap, CS43130_DEVID_CD, &reg);
2478	devid |= (reg & 0xFF) << 4;
2479	ret = regmap_read(cs43130->regmap, CS43130_DEVID_E, &reg);
2480	devid |= (reg & 0xF0) >> 4;
2481
2482	switch (devid) {
2483	case CS43130_CHIP_ID:
2484	case CS4399_CHIP_ID:
2485	case CS43131_CHIP_ID:
2486	case CS43198_CHIP_ID:
2487		break;
2488	default:
2489		dev_err(&client->dev,
2490			"CS43130 Device ID %X. Expected ID %X, %X, %X or %X\n",
2491			devid, CS43130_CHIP_ID, CS4399_CHIP_ID,
2492			CS43131_CHIP_ID, CS43198_CHIP_ID);
2493		ret = -ENODEV;
2494		goto err;
2495	}
2496
2497	cs43130->dev_id = devid;
2498	ret = regmap_read(cs43130->regmap, CS43130_REV_ID, &reg);
2499	if (ret < 0) {
2500		dev_err(&client->dev, "Get Revision ID failed\n");
2501		goto err;
2502	}
2503
2504	dev_info(&client->dev,
2505		 "Cirrus Logic CS43130 (%x), Revision: %02X\n", devid,
2506		 reg & 0xFF);
2507
2508	mutex_init(&cs43130->clk_mutex);
2509
2510	init_completion(&cs43130->xtal_rdy);
2511	init_completion(&cs43130->pll_rdy);
2512	init_completion(&cs43130->hpload_evt);
2513
2514	ret = devm_request_threaded_irq(&client->dev, client->irq,
2515					NULL, cs43130_irq_thread,
2516					IRQF_ONESHOT | IRQF_TRIGGER_LOW,
2517					"cs43130", cs43130);
2518	if (ret != 0) {
2519		dev_err(&client->dev, "Failed to request IRQ: %d\n", ret);
2520		return ret;
2521	}
2522
2523	cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
2524
2525	pm_runtime_set_autosuspend_delay(&client->dev, 100);
2526	pm_runtime_use_autosuspend(&client->dev);
2527	pm_runtime_set_active(&client->dev);
2528	pm_runtime_enable(&client->dev);
2529
2530	switch (cs43130->dev_id) {
2531	case CS43130_CHIP_ID:
2532	case CS43131_CHIP_ID:
2533		memcpy(all_hp_widgets, digital_hp_widgets,
2534		       sizeof(digital_hp_widgets));
2535		memcpy(all_hp_widgets + ARRAY_SIZE(digital_hp_widgets),
2536		       analog_hp_widgets, sizeof(analog_hp_widgets));
2537		memcpy(all_hp_routes, digital_hp_routes,
2538		       sizeof(digital_hp_routes));
2539		memcpy(all_hp_routes + ARRAY_SIZE(digital_hp_routes),
2540		       analog_hp_routes, sizeof(analog_hp_routes));
2541
2542		soc_component_dev_cs43130.dapm_widgets =
2543			all_hp_widgets;
2544		soc_component_dev_cs43130.num_dapm_widgets =
2545			ARRAY_SIZE(all_hp_widgets);
2546		soc_component_dev_cs43130.dapm_routes =
2547			all_hp_routes;
2548		soc_component_dev_cs43130.num_dapm_routes =
2549			ARRAY_SIZE(all_hp_routes);
2550		break;
2551	case CS43198_CHIP_ID:
2552	case CS4399_CHIP_ID:
2553		soc_component_dev_cs43130.dapm_widgets =
2554			digital_hp_widgets;
2555		soc_component_dev_cs43130.num_dapm_widgets =
2556			ARRAY_SIZE(digital_hp_widgets);
2557		soc_component_dev_cs43130.dapm_routes =
2558			digital_hp_routes;
2559		soc_component_dev_cs43130.num_dapm_routes =
2560			ARRAY_SIZE(digital_hp_routes);
2561		break;
2562	}
2563
2564	ret = devm_snd_soc_register_component(&client->dev,
2565				     &soc_component_dev_cs43130,
2566				     cs43130_dai, ARRAY_SIZE(cs43130_dai));
2567	if (ret < 0) {
2568		dev_err(&client->dev,
2569			"snd_soc_register_component failed with ret = %d\n", ret);
2570		goto err;
2571	}
2572
2573	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
2574			   CS43130_ASP_3ST_MASK, 0);
2575	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
2576			   CS43130_XSP_3ST_MASK, 0);
2577
2578	return 0;
2579err:
2580	return ret;
2581}
2582
2583static int cs43130_i2c_remove(struct i2c_client *client)
2584{
2585	struct cs43130_private *cs43130 = i2c_get_clientdata(client);
2586
2587	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
2588		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2589				   CS43130_XTAL_ERR_INT,
2590				   1 << CS43130_XTAL_ERR_INT_SHIFT);
2591
2592	regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2593			   CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT,
2594			   CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT);
2595
2596	if (cs43130->dc_meas) {
2597		cancel_work_sync(&cs43130->work);
2598		flush_workqueue(cs43130->wq);
2599
2600		device_remove_file(&client->dev, &dev_attr_hpload_dc_l);
2601		device_remove_file(&client->dev, &dev_attr_hpload_dc_r);
2602		device_remove_file(&client->dev, &dev_attr_hpload_ac_l);
2603		device_remove_file(&client->dev, &dev_attr_hpload_ac_r);
2604	}
2605
2606	gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
2607
2608	pm_runtime_disable(&client->dev);
2609	regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2610
2611	return 0;
2612}
2613
2614static int __maybe_unused cs43130_runtime_suspend(struct device *dev)
2615{
2616	struct cs43130_private *cs43130 = dev_get_drvdata(dev);
2617
2618	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
2619		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2620				   CS43130_XTAL_ERR_INT,
2621				   1 << CS43130_XTAL_ERR_INT_SHIFT);
2622
2623	regcache_cache_only(cs43130->regmap, true);
2624	regcache_mark_dirty(cs43130->regmap);
2625
2626	gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
2627
2628	regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2629
2630	return 0;
2631}
2632
2633static int __maybe_unused cs43130_runtime_resume(struct device *dev)
2634{
2635	struct cs43130_private *cs43130 = dev_get_drvdata(dev);
2636	int ret;
2637
2638	ret = regulator_bulk_enable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2639	if (ret != 0) {
2640		dev_err(dev, "Failed to enable supplies: %d\n", ret);
2641		return ret;
2642	}
2643
2644	regcache_cache_only(cs43130->regmap, false);
2645
2646	gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
2647
2648	usleep_range(2000, 2050);
2649
2650	ret = regcache_sync(cs43130->regmap);
2651	if (ret != 0) {
2652		dev_err(dev, "Failed to restore register cache\n");
2653		goto err;
2654	}
2655
2656	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
2657		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2658				   CS43130_XTAL_ERR_INT, 0);
2659
2660	return 0;
2661err:
2662	regcache_cache_only(cs43130->regmap, true);
2663	regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2664
2665	return ret;
2666}
2667
2668static const struct dev_pm_ops cs43130_runtime_pm = {
2669	SET_RUNTIME_PM_OPS(cs43130_runtime_suspend, cs43130_runtime_resume,
2670			   NULL)
2671};
2672
2673static const struct of_device_id cs43130_of_match[] = {
2674	{.compatible = "cirrus,cs43130",},
2675	{.compatible = "cirrus,cs4399",},
2676	{.compatible = "cirrus,cs43131",},
2677	{.compatible = "cirrus,cs43198",},
2678	{},
2679};
2680
2681MODULE_DEVICE_TABLE(of, cs43130_of_match);
2682
2683static const struct i2c_device_id cs43130_i2c_id[] = {
2684	{"cs43130", 0},
2685	{"cs4399", 0},
2686	{"cs43131", 0},
2687	{"cs43198", 0},
2688	{}
2689};
2690
2691MODULE_DEVICE_TABLE(i2c, cs43130_i2c_id);
2692
2693static struct i2c_driver cs43130_i2c_driver = {
2694	.driver = {
2695		.name		= "cs43130",
2696		.of_match_table	= cs43130_of_match,
2697		.pm             = &cs43130_runtime_pm,
2698	},
2699	.id_table	= cs43130_i2c_id,
2700	.probe		= cs43130_i2c_probe,
2701	.remove		= cs43130_i2c_remove,
2702};
2703
2704module_i2c_driver(cs43130_i2c_driver);
2705
2706MODULE_AUTHOR("Li Xu <li.xu@cirrus.com>");
2707MODULE_DESCRIPTION("Cirrus Logic CS43130 ALSA SoC Codec Driver");
2708MODULE_LICENSE("GPL");
v5.9
   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * cs43130.c  --  CS43130 ALSA Soc Audio driver
   4 *
   5 * Copyright 2017 Cirrus Logic, Inc.
   6 *
   7 * Authors: Li Xu <li.xu@cirrus.com>
   8 */
   9#include <linux/module.h>
  10#include <linux/moduleparam.h>
  11#include <linux/kernel.h>
  12#include <linux/init.h>
  13#include <linux/delay.h>
  14#include <linux/gpio.h>
  15#include <linux/gpio/consumer.h>
  16#include <linux/platform_device.h>
  17#include <linux/pm.h>
  18#include <linux/i2c.h>
  19#include <linux/of_device.h>
  20#include <linux/regmap.h>
  21#include <linux/slab.h>
  22#include <sound/core.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/soc.h>
  26#include <sound/soc-dapm.h>
  27#include <sound/initval.h>
  28#include <sound/tlv.h>
  29#include <linux/of_gpio.h>
  30#include <linux/regulator/consumer.h>
  31#include <linux/pm_runtime.h>
  32#include <linux/of_irq.h>
  33#include <linux/completion.h>
  34#include <linux/mutex.h>
  35#include <linux/workqueue.h>
  36#include <sound/jack.h>
  37
  38#include "cs43130.h"
  39
  40static const struct reg_default cs43130_reg_defaults[] = {
  41	{CS43130_SYS_CLK_CTL_1, 0x06},
  42	{CS43130_SP_SRATE, 0x01},
  43	{CS43130_SP_BITSIZE, 0x05},
  44	{CS43130_PAD_INT_CFG, 0x03},
  45	{CS43130_PWDN_CTL, 0xFE},
  46	{CS43130_CRYSTAL_SET, 0x04},
  47	{CS43130_PLL_SET_1, 0x00},
  48	{CS43130_PLL_SET_2, 0x00},
  49	{CS43130_PLL_SET_3, 0x00},
  50	{CS43130_PLL_SET_4, 0x00},
  51	{CS43130_PLL_SET_5, 0x40},
  52	{CS43130_PLL_SET_6, 0x10},
  53	{CS43130_PLL_SET_7, 0x80},
  54	{CS43130_PLL_SET_8, 0x03},
  55	{CS43130_PLL_SET_9, 0x02},
  56	{CS43130_PLL_SET_10, 0x02},
  57	{CS43130_CLKOUT_CTL, 0x00},
  58	{CS43130_ASP_NUM_1, 0x01},
  59	{CS43130_ASP_NUM_2, 0x00},
  60	{CS43130_ASP_DEN_1, 0x08},
  61	{CS43130_ASP_DEN_2, 0x00},
  62	{CS43130_ASP_LRCK_HI_TIME_1, 0x1F},
  63	{CS43130_ASP_LRCK_HI_TIME_2, 0x00},
  64	{CS43130_ASP_LRCK_PERIOD_1, 0x3F},
  65	{CS43130_ASP_LRCK_PERIOD_2, 0x00},
  66	{CS43130_ASP_CLOCK_CONF, 0x0C},
  67	{CS43130_ASP_FRAME_CONF, 0x0A},
  68	{CS43130_XSP_NUM_1, 0x01},
  69	{CS43130_XSP_NUM_2, 0x00},
  70	{CS43130_XSP_DEN_1, 0x02},
  71	{CS43130_XSP_DEN_2, 0x00},
  72	{CS43130_XSP_LRCK_HI_TIME_1, 0x1F},
  73	{CS43130_XSP_LRCK_HI_TIME_2, 0x00},
  74	{CS43130_XSP_LRCK_PERIOD_1, 0x3F},
  75	{CS43130_XSP_LRCK_PERIOD_2, 0x00},
  76	{CS43130_XSP_CLOCK_CONF, 0x0C},
  77	{CS43130_XSP_FRAME_CONF, 0x0A},
  78	{CS43130_ASP_CH_1_LOC, 0x00},
  79	{CS43130_ASP_CH_2_LOC, 0x00},
  80	{CS43130_ASP_CH_1_SZ_EN, 0x06},
  81	{CS43130_ASP_CH_2_SZ_EN, 0x0E},
  82	{CS43130_XSP_CH_1_LOC, 0x00},
  83	{CS43130_XSP_CH_2_LOC, 0x00},
  84	{CS43130_XSP_CH_1_SZ_EN, 0x06},
  85	{CS43130_XSP_CH_2_SZ_EN, 0x0E},
  86	{CS43130_DSD_VOL_B, 0x78},
  87	{CS43130_DSD_VOL_A, 0x78},
  88	{CS43130_DSD_PATH_CTL_1, 0xA8},
  89	{CS43130_DSD_INT_CFG, 0x00},
  90	{CS43130_DSD_PATH_CTL_2, 0x02},
  91	{CS43130_DSD_PCM_MIX_CTL, 0x00},
  92	{CS43130_DSD_PATH_CTL_3, 0x40},
  93	{CS43130_HP_OUT_CTL_1, 0x30},
  94	{CS43130_PCM_FILT_OPT, 0x02},
  95	{CS43130_PCM_VOL_B, 0x78},
  96	{CS43130_PCM_VOL_A, 0x78},
  97	{CS43130_PCM_PATH_CTL_1, 0xA8},
  98	{CS43130_PCM_PATH_CTL_2, 0x00},
  99	{CS43130_CLASS_H_CTL, 0x1E},
 100	{CS43130_HP_DETECT, 0x04},
 101	{CS43130_HP_LOAD_1, 0x00},
 102	{CS43130_HP_MEAS_LOAD_1, 0x00},
 103	{CS43130_HP_MEAS_LOAD_2, 0x00},
 104	{CS43130_INT_MASK_1, 0xFF},
 105	{CS43130_INT_MASK_2, 0xFF},
 106	{CS43130_INT_MASK_3, 0xFF},
 107	{CS43130_INT_MASK_4, 0xFF},
 108	{CS43130_INT_MASK_5, 0xFF},
 109};
 110
 111static bool cs43130_volatile_register(struct device *dev, unsigned int reg)
 112{
 113	switch (reg) {
 114	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
 115	case CS43130_HP_DC_STAT_1 ... CS43130_HP_DC_STAT_2:
 116	case CS43130_HP_AC_STAT_1 ... CS43130_HP_AC_STAT_2:
 117		return true;
 118	default:
 119		return false;
 120	}
 121}
 122
 123static bool cs43130_readable_register(struct device *dev, unsigned int reg)
 124{
 125	switch (reg) {
 126	case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1:
 127	case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG:
 128	case CS43130_PWDN_CTL:
 129	case CS43130_CRYSTAL_SET:
 130	case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5:
 131	case CS43130_PLL_SET_6:
 132	case CS43130_PLL_SET_7:
 133	case CS43130_PLL_SET_8:
 134	case CS43130_PLL_SET_9:
 135	case CS43130_PLL_SET_10:
 136	case CS43130_CLKOUT_CTL:
 137	case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF:
 138	case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF:
 139	case CS43130_ASP_CH_1_LOC:
 140	case CS43130_ASP_CH_2_LOC:
 141	case CS43130_ASP_CH_1_SZ_EN:
 142	case CS43130_ASP_CH_2_SZ_EN:
 143	case CS43130_XSP_CH_1_LOC:
 144	case CS43130_XSP_CH_2_LOC:
 145	case CS43130_XSP_CH_1_SZ_EN:
 146	case CS43130_XSP_CH_2_SZ_EN:
 147	case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3:
 148	case CS43130_HP_OUT_CTL_1:
 149	case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2:
 150	case CS43130_CLASS_H_CTL:
 151	case CS43130_HP_DETECT:
 152	case CS43130_HP_STATUS:
 153	case CS43130_HP_LOAD_1:
 154	case CS43130_HP_MEAS_LOAD_1:
 155	case CS43130_HP_MEAS_LOAD_2:
 156	case CS43130_HP_DC_STAT_1:
 157	case CS43130_HP_DC_STAT_2:
 158	case CS43130_HP_AC_STAT_1:
 159	case CS43130_HP_AC_STAT_2:
 160	case CS43130_HP_LOAD_STAT:
 161	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
 162	case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5:
 163		return true;
 164	default:
 165		return false;
 166	}
 167}
 168
 169static bool cs43130_precious_register(struct device *dev, unsigned int reg)
 170{
 171	switch (reg) {
 172	case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
 173		return true;
 174	default:
 175		return false;
 176	}
 177}
 178
 179struct cs43130_pll_params {
 180	unsigned int pll_in;
 181	u8 sclk_prediv;
 182	u8 pll_div_int;
 183	u32 pll_div_frac;
 184	u8 pll_mode;
 185	u8 pll_divout;
 186	unsigned int pll_out;
 187	u8 pll_cal_ratio;
 188};
 189
 190static const struct cs43130_pll_params pll_ratio_table[] = {
 191	{9600000, 0x02, 0x49, 0x800000, 0x00, 0x08, 22579200, 151},
 192	{9600000, 0x02, 0x50, 0x000000, 0x00, 0x08, 24576000, 164},
 193
 194	{11289600, 0x02, 0X40, 0, 0x01, 0x08, 22579200, 128},
 195	{11289600, 0x02, 0x44, 0x06F700, 0x0, 0x08, 24576000, 139},
 196
 197	{12000000, 0x02, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120},
 198	{12000000, 0x02, 0x40, 0x000000, 0x00, 0x08, 24576000, 131},
 199
 200	{12288000, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118},
 201	{12288000, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128},
 202
 203	{13000000, 0x02, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111},
 204	{13000000, 0x02, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121},
 205
 206	{19200000, 0x03, 0x49, 0x800000, 0x00, 0x08, 22579200, 151},
 207	{19200000, 0x03, 0x50, 0x000000, 0x00, 0x08, 24576000, 164},
 208
 209	{22579200, 0, 0, 0, 0, 0, 22579200, 0},
 210	{22579200, 0x03, 0x44, 0x06F700, 0x00, 0x08, 24576000, 139},
 211
 212	{24000000, 0x03, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120},
 213	{24000000, 0x03, 0x40, 0x000000, 0x00, 0x08, 24576000, 131},
 214
 215	{24576000, 0x03, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118},
 216	{24576000, 0, 0, 0, 0, 0, 24576000, 0},
 217
 218	{26000000, 0x03, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111},
 219	{26000000, 0x03, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121},
 220};
 221
 222static const struct cs43130_pll_params *cs43130_get_pll_table(
 223		unsigned int freq_in, unsigned int freq_out)
 224{
 225	int i;
 226
 227	for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
 228		if (pll_ratio_table[i].pll_in == freq_in &&
 229		    pll_ratio_table[i].pll_out == freq_out)
 230			return &pll_ratio_table[i];
 231	}
 232
 233	return NULL;
 234}
 235
 236static int cs43130_pll_config(struct snd_soc_component *component)
 237{
 238	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 239	const struct cs43130_pll_params *pll_entry;
 240
 241	dev_dbg(component->dev, "cs43130->mclk = %u, cs43130->mclk_int = %u\n",
 242		cs43130->mclk, cs43130->mclk_int);
 243
 244	pll_entry = cs43130_get_pll_table(cs43130->mclk, cs43130->mclk_int);
 245	if (!pll_entry)
 246		return -EINVAL;
 247
 248	if (pll_entry->pll_cal_ratio == 0) {
 249		regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
 250				   CS43130_PLL_START_MASK, 0);
 251
 252		cs43130->pll_bypass = true;
 253		return 0;
 254	}
 255
 256	cs43130->pll_bypass = false;
 257
 258	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_2,
 259			   CS43130_PLL_DIV_DATA_MASK,
 260			   pll_entry->pll_div_frac >>
 261			   CS43130_PLL_DIV_FRAC_0_DATA_SHIFT);
 262	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_3,
 263			   CS43130_PLL_DIV_DATA_MASK,
 264			   pll_entry->pll_div_frac >>
 265			   CS43130_PLL_DIV_FRAC_1_DATA_SHIFT);
 266	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_4,
 267			   CS43130_PLL_DIV_DATA_MASK,
 268			   pll_entry->pll_div_frac >>
 269			   CS43130_PLL_DIV_FRAC_2_DATA_SHIFT);
 270	regmap_write(cs43130->regmap, CS43130_PLL_SET_5,
 271		     pll_entry->pll_div_int);
 272	regmap_write(cs43130->regmap, CS43130_PLL_SET_6, pll_entry->pll_divout);
 273	regmap_write(cs43130->regmap, CS43130_PLL_SET_7,
 274		     pll_entry->pll_cal_ratio);
 275	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_8,
 276			   CS43130_PLL_MODE_MASK,
 277			   pll_entry->pll_mode << CS43130_PLL_MODE_SHIFT);
 278	regmap_write(cs43130->regmap, CS43130_PLL_SET_9,
 279		     pll_entry->sclk_prediv);
 280	regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
 281			   CS43130_PLL_START_MASK, 1);
 282
 283	return 0;
 284}
 285
 286static int cs43130_set_pll(struct snd_soc_component *component, int pll_id, int source,
 287			   unsigned int freq_in, unsigned int freq_out)
 288{
 289	int ret = 0;
 290	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 291
 292	switch (freq_in) {
 293	case 9600000:
 294	case 11289600:
 295	case 12000000:
 296	case 12288000:
 297	case 13000000:
 298	case 19200000:
 299	case 22579200:
 300	case 24000000:
 301	case 24576000:
 302	case 26000000:
 303		cs43130->mclk = freq_in;
 304		break;
 305	default:
 306		dev_err(component->dev,
 307			"unsupported pll input reference clock:%d\n", freq_in);
 308		return -EINVAL;
 309	}
 310
 311	switch (freq_out) {
 312	case 22579200:
 313		cs43130->mclk_int = freq_out;
 314		break;
 315	case 24576000:
 316		cs43130->mclk_int = freq_out;
 317		break;
 318	default:
 319		dev_err(component->dev,
 320			"unsupported pll output ref clock: %u\n", freq_out);
 321		return -EINVAL;
 322	}
 323
 324	ret = cs43130_pll_config(component);
 325	dev_dbg(component->dev, "cs43130->pll_bypass = %d", cs43130->pll_bypass);
 326	return ret;
 327}
 328
 329static int cs43130_change_clksrc(struct snd_soc_component *component,
 330				 enum cs43130_mclk_src_sel src)
 331{
 332	int ret;
 333	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 334	int mclk_int_decoded;
 335
 336	if (src == cs43130->mclk_int_src) {
 337		/* clk source has not changed */
 338		return 0;
 339	}
 340
 341	switch (cs43130->mclk_int) {
 342	case CS43130_MCLK_22M:
 343		mclk_int_decoded = CS43130_MCLK_22P5;
 344		break;
 345	case CS43130_MCLK_24M:
 346		mclk_int_decoded = CS43130_MCLK_24P5;
 347		break;
 348	default:
 349		dev_err(component->dev, "Invalid MCLK INT freq: %u\n", cs43130->mclk_int);
 350		return -EINVAL;
 351	}
 352
 353	switch (src) {
 354	case CS43130_MCLK_SRC_EXT:
 355		cs43130->pll_bypass = true;
 356		cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT;
 357		if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
 358			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 359					   CS43130_PDN_XTAL_MASK,
 360					   1 << CS43130_PDN_XTAL_SHIFT);
 361		} else {
 362			reinit_completion(&cs43130->xtal_rdy);
 363			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 364					   CS43130_XTAL_RDY_INT_MASK, 0);
 365			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 366					   CS43130_PDN_XTAL_MASK, 0);
 367			ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
 368							  msecs_to_jiffies(100));
 369			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 370					   CS43130_XTAL_RDY_INT_MASK,
 371					   1 << CS43130_XTAL_RDY_INT_SHIFT);
 372			if (ret == 0) {
 373				dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
 374				return -ETIMEDOUT;
 375			}
 376		}
 377
 378		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 379				   CS43130_MCLK_SRC_SEL_MASK,
 380				   src << CS43130_MCLK_SRC_SEL_SHIFT);
 381		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 382				   CS43130_MCLK_INT_MASK,
 383				   mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
 384		usleep_range(150, 200);
 385
 386		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 387				   CS43130_PDN_PLL_MASK,
 388				   1 << CS43130_PDN_PLL_SHIFT);
 389		break;
 390	case CS43130_MCLK_SRC_PLL:
 391		cs43130->pll_bypass = false;
 392		cs43130->mclk_int_src = CS43130_MCLK_SRC_PLL;
 393		if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
 394			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 395					   CS43130_PDN_XTAL_MASK,
 396					   1 << CS43130_PDN_XTAL_SHIFT);
 397		} else {
 398			reinit_completion(&cs43130->xtal_rdy);
 399			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 400					   CS43130_XTAL_RDY_INT_MASK, 0);
 401			regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 402					   CS43130_PDN_XTAL_MASK, 0);
 403			ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
 404							  msecs_to_jiffies(100));
 405			regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 406					   CS43130_XTAL_RDY_INT_MASK,
 407					   1 << CS43130_XTAL_RDY_INT_SHIFT);
 408			if (ret == 0) {
 409				dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
 410				return -ETIMEDOUT;
 411			}
 412		}
 413
 414		reinit_completion(&cs43130->pll_rdy);
 415		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 416				   CS43130_PLL_RDY_INT_MASK, 0);
 417		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 418				   CS43130_PDN_PLL_MASK, 0);
 419		ret = wait_for_completion_timeout(&cs43130->pll_rdy,
 420						  msecs_to_jiffies(100));
 421		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
 422				   CS43130_PLL_RDY_INT_MASK,
 423				   1 << CS43130_PLL_RDY_INT_SHIFT);
 424		if (ret == 0) {
 425			dev_err(component->dev, "Timeout waiting for PLL_READY interrupt\n");
 426			return -ETIMEDOUT;
 427		}
 428
 429		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 430				   CS43130_MCLK_SRC_SEL_MASK,
 431				   src << CS43130_MCLK_SRC_SEL_SHIFT);
 432		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 433				   CS43130_MCLK_INT_MASK,
 434				   mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
 435		usleep_range(150, 200);
 436		break;
 437	case CS43130_MCLK_SRC_RCO:
 438		cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
 439
 440		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 441				   CS43130_MCLK_SRC_SEL_MASK,
 442				   src << CS43130_MCLK_SRC_SEL_SHIFT);
 443		regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
 444				   CS43130_MCLK_INT_MASK,
 445				   CS43130_MCLK_22P5 << CS43130_MCLK_INT_SHIFT);
 446		usleep_range(150, 200);
 447
 448		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 449				   CS43130_PDN_XTAL_MASK,
 450				   1 << CS43130_PDN_XTAL_SHIFT);
 451		regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
 452				   CS43130_PDN_PLL_MASK,
 453				   1 << CS43130_PDN_PLL_SHIFT);
 454		break;
 455	default:
 456		dev_err(component->dev, "Invalid MCLK source value\n");
 457		return -EINVAL;
 458	}
 459
 460	return 0;
 461}
 462
 463static const struct cs43130_bitwidth_map cs43130_bitwidth_table[] = {
 464	{8,	CS43130_SP_BIT_SIZE_8,	CS43130_CH_BIT_SIZE_8},
 465	{16,	CS43130_SP_BIT_SIZE_16, CS43130_CH_BIT_SIZE_16},
 466	{24,	CS43130_SP_BIT_SIZE_24, CS43130_CH_BIT_SIZE_24},
 467	{32,	CS43130_SP_BIT_SIZE_32, CS43130_CH_BIT_SIZE_32},
 468};
 469
 470static const struct cs43130_bitwidth_map *cs43130_get_bitwidth_table(
 471				unsigned int bitwidth)
 472{
 473	int i;
 474
 475	for (i = 0; i < ARRAY_SIZE(cs43130_bitwidth_table); i++) {
 476		if (cs43130_bitwidth_table[i].bitwidth == bitwidth)
 477			return &cs43130_bitwidth_table[i];
 478	}
 479
 480	return NULL;
 481}
 482
 483static int cs43130_set_bitwidth(int dai_id, unsigned int bitwidth_dai,
 484			  struct regmap *regmap)
 485{
 486	const struct cs43130_bitwidth_map *bw_map;
 487
 488	bw_map = cs43130_get_bitwidth_table(bitwidth_dai);
 489	if (!bw_map)
 490		return -EINVAL;
 491
 492	switch (dai_id) {
 493	case CS43130_ASP_PCM_DAI:
 494	case CS43130_ASP_DOP_DAI:
 495		regmap_update_bits(regmap, CS43130_ASP_CH_1_SZ_EN,
 496				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 497		regmap_update_bits(regmap, CS43130_ASP_CH_2_SZ_EN,
 498				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 499		regmap_update_bits(regmap, CS43130_SP_BITSIZE,
 500				   CS43130_ASP_BITSIZE_MASK, bw_map->sp_bit);
 501		break;
 502	case CS43130_XSP_DOP_DAI:
 503		regmap_update_bits(regmap, CS43130_XSP_CH_1_SZ_EN,
 504				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 505		regmap_update_bits(regmap, CS43130_XSP_CH_2_SZ_EN,
 506				   CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
 507		regmap_update_bits(regmap, CS43130_SP_BITSIZE,
 508				   CS43130_XSP_BITSIZE_MASK, bw_map->sp_bit <<
 509				   CS43130_XSP_BITSIZE_SHIFT);
 510		break;
 511	default:
 512		return -EINVAL;
 513	}
 514
 515	return 0;
 516}
 517
 518static const struct cs43130_rate_map cs43130_rate_table[] = {
 519	{32000,		CS43130_ASP_SPRATE_32K},
 520	{44100,		CS43130_ASP_SPRATE_44_1K},
 521	{48000,		CS43130_ASP_SPRATE_48K},
 522	{88200,		CS43130_ASP_SPRATE_88_2K},
 523	{96000,		CS43130_ASP_SPRATE_96K},
 524	{176400,	CS43130_ASP_SPRATE_176_4K},
 525	{192000,	CS43130_ASP_SPRATE_192K},
 526	{352800,	CS43130_ASP_SPRATE_352_8K},
 527	{384000,	CS43130_ASP_SPRATE_384K},
 528};
 529
 530static const struct cs43130_rate_map *cs43130_get_rate_table(int fs)
 531{
 532	int i;
 533
 534	for (i = 0; i < ARRAY_SIZE(cs43130_rate_table); i++) {
 535		if (cs43130_rate_table[i].fs == fs)
 536			return &cs43130_rate_table[i];
 537	}
 538
 539	return NULL;
 540}
 541
 542static const struct cs43130_clk_gen *cs43130_get_clk_gen(int mclk_int, int fs,
 543		const struct cs43130_clk_gen *clk_gen_table, int len_clk_gen_table)
 544{
 545	int i;
 546
 547	for (i = 0; i < len_clk_gen_table; i++) {
 548		if (clk_gen_table[i].mclk_int == mclk_int &&
 549		    clk_gen_table[i].fs == fs)
 550			return &clk_gen_table[i];
 551	}
 552
 553	return NULL;
 554}
 555
 556static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk,
 557			      struct snd_pcm_hw_params *params,
 558			      struct cs43130_private *cs43130)
 559{
 560	u16 frm_size;
 561	u16 hi_size;
 562	u8 frm_delay;
 563	u8 frm_phase;
 564	u8 frm_data;
 565	u8 sclk_edge;
 566	u8 lrck_edge;
 567	u8 clk_data;
 568	u8 loc_ch1;
 569	u8 loc_ch2;
 570	u8 dai_mode_val;
 571	const struct cs43130_clk_gen *clk_gen;
 572
 573	switch (cs43130->dais[dai_id].dai_format) {
 574	case SND_SOC_DAIFMT_I2S:
 575		hi_size = bitwidth_sclk;
 576		frm_delay = 2;
 577		frm_phase = 0;
 578		break;
 579	case SND_SOC_DAIFMT_LEFT_J:
 580		hi_size = bitwidth_sclk;
 581		frm_delay = 2;
 582		frm_phase = 1;
 583		break;
 584	case SND_SOC_DAIFMT_DSP_A:
 585		hi_size = 1;
 586		frm_delay = 2;
 587		frm_phase = 1;
 588		break;
 589	case SND_SOC_DAIFMT_DSP_B:
 590		hi_size = 1;
 591		frm_delay = 0;
 592		frm_phase = 1;
 593		break;
 594	default:
 595		return -EINVAL;
 596	}
 597
 598	switch (cs43130->dais[dai_id].dai_mode) {
 599	case SND_SOC_DAIFMT_CBS_CFS:
 600		dai_mode_val = 0;
 601		break;
 602	case SND_SOC_DAIFMT_CBM_CFM:
 603		dai_mode_val = 1;
 604		break;
 605	default:
 606		return -EINVAL;
 607	}
 608
 609	frm_size = bitwidth_sclk * params_channels(params);
 610	sclk_edge = 1;
 611	lrck_edge = 0;
 612	loc_ch1 = 0;
 613	loc_ch2 = bitwidth_sclk * (params_channels(params) - 1);
 614
 615	frm_data = frm_delay & CS43130_SP_FSD_MASK;
 616	frm_data |= (frm_phase << CS43130_SP_STP_SHIFT) & CS43130_SP_STP_MASK;
 617
 618	clk_data = lrck_edge & CS43130_SP_LCPOL_IN_MASK;
 619	clk_data |= (lrck_edge << CS43130_SP_LCPOL_OUT_SHIFT) &
 620		    CS43130_SP_LCPOL_OUT_MASK;
 621	clk_data |= (sclk_edge << CS43130_SP_SCPOL_IN_SHIFT) &
 622		    CS43130_SP_SCPOL_IN_MASK;
 623	clk_data |= (sclk_edge << CS43130_SP_SCPOL_OUT_SHIFT) &
 624		    CS43130_SP_SCPOL_OUT_MASK;
 625	clk_data |= (dai_mode_val << CS43130_SP_MODE_SHIFT) &
 626		    CS43130_SP_MODE_MASK;
 627
 628	switch (dai_id) {
 629	case CS43130_ASP_PCM_DAI:
 630	case CS43130_ASP_DOP_DAI:
 631		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1,
 632			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 633			CS43130_SP_LCPR_LSB_DATA_SHIFT);
 634		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2,
 635			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 636			CS43130_SP_LCPR_MSB_DATA_SHIFT);
 637		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1,
 638			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 639			CS43130_SP_LCHI_LSB_DATA_SHIFT);
 640		regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2,
 641			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 642			CS43130_SP_LCHI_MSB_DATA_SHIFT);
 643		regmap_write(cs43130->regmap, CS43130_ASP_FRAME_CONF, frm_data);
 644		regmap_write(cs43130->regmap, CS43130_ASP_CH_1_LOC, loc_ch1);
 645		regmap_write(cs43130->regmap, CS43130_ASP_CH_2_LOC, loc_ch2);
 646		regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN,
 647			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 648		regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN,
 649			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 650		regmap_write(cs43130->regmap, CS43130_ASP_CLOCK_CONF, clk_data);
 651		break;
 652	case CS43130_XSP_DOP_DAI:
 653		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_1,
 654			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 655			CS43130_SP_LCPR_LSB_DATA_SHIFT);
 656		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_2,
 657			CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
 658			CS43130_SP_LCPR_MSB_DATA_SHIFT);
 659		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_1,
 660			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 661			CS43130_SP_LCHI_LSB_DATA_SHIFT);
 662		regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_2,
 663			CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
 664			CS43130_SP_LCHI_MSB_DATA_SHIFT);
 665		regmap_write(cs43130->regmap, CS43130_XSP_FRAME_CONF, frm_data);
 666		regmap_write(cs43130->regmap, CS43130_XSP_CH_1_LOC, loc_ch1);
 667		regmap_write(cs43130->regmap, CS43130_XSP_CH_2_LOC, loc_ch2);
 668		regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_1_SZ_EN,
 669			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 670		regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_2_SZ_EN,
 671			CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
 672		regmap_write(cs43130->regmap, CS43130_XSP_CLOCK_CONF, clk_data);
 673		break;
 674	default:
 675		return -EINVAL;
 676	}
 677
 678	switch (frm_size) {
 679	case 16:
 680		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 681					      params_rate(params),
 682					      cs43130_16_clk_gen,
 683					      ARRAY_SIZE(cs43130_16_clk_gen));
 684		break;
 685	case 32:
 686		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 687					      params_rate(params),
 688					      cs43130_32_clk_gen,
 689					      ARRAY_SIZE(cs43130_32_clk_gen));
 690		break;
 691	case 48:
 692		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 693					      params_rate(params),
 694					      cs43130_48_clk_gen,
 695					      ARRAY_SIZE(cs43130_48_clk_gen));
 696		break;
 697	case 64:
 698		clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
 699					      params_rate(params),
 700					      cs43130_64_clk_gen,
 701					      ARRAY_SIZE(cs43130_64_clk_gen));
 702		break;
 703	default:
 704		return -EINVAL;
 705	}
 706
 707	if (!clk_gen)
 708		return -EINVAL;
 709
 710	switch (dai_id) {
 711	case CS43130_ASP_PCM_DAI:
 712	case CS43130_ASP_DOP_DAI:
 713		regmap_write(cs43130->regmap, CS43130_ASP_DEN_1,
 714			     (clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
 715			     CS43130_SP_M_LSB_DATA_SHIFT);
 716		regmap_write(cs43130->regmap, CS43130_ASP_DEN_2,
 717			     (clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
 718			     CS43130_SP_M_MSB_DATA_SHIFT);
 719		regmap_write(cs43130->regmap, CS43130_ASP_NUM_1,
 720			     (clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
 721			     CS43130_SP_N_LSB_DATA_SHIFT);
 722		regmap_write(cs43130->regmap, CS43130_ASP_NUM_2,
 723			     (clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
 724			     CS43130_SP_N_MSB_DATA_SHIFT);
 725		break;
 726	case CS43130_XSP_DOP_DAI:
 727		regmap_write(cs43130->regmap, CS43130_XSP_DEN_1,
 728			     (clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
 729			     CS43130_SP_M_LSB_DATA_SHIFT);
 730		regmap_write(cs43130->regmap, CS43130_XSP_DEN_2,
 731			     (clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
 732			     CS43130_SP_M_MSB_DATA_SHIFT);
 733		regmap_write(cs43130->regmap, CS43130_XSP_NUM_1,
 734			     (clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
 735			     CS43130_SP_N_LSB_DATA_SHIFT);
 736		regmap_write(cs43130->regmap, CS43130_XSP_NUM_2,
 737			     (clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
 738			     CS43130_SP_N_MSB_DATA_SHIFT);
 739		break;
 740	default:
 741		return -EINVAL;
 742	}
 743
 744	return 0;
 745}
 746
 747static int cs43130_pcm_dsd_mix(bool en, struct regmap *regmap)
 748{
 749	if (en) {
 750		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 751				   CS43130_MIX_PCM_PREP_MASK,
 752				   1 << CS43130_MIX_PCM_PREP_SHIFT);
 753		usleep_range(6000, 6050);
 754		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 755				   CS43130_MIX_PCM_DSD_MASK,
 756				   1 << CS43130_MIX_PCM_DSD_SHIFT);
 757	} else {
 758		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 759				   CS43130_MIX_PCM_DSD_MASK,
 760				   0 << CS43130_MIX_PCM_DSD_SHIFT);
 761		usleep_range(1600, 1650);
 762		regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
 763				   CS43130_MIX_PCM_PREP_MASK,
 764				   0 << CS43130_MIX_PCM_PREP_SHIFT);
 765	}
 766
 767	return 0;
 768}
 769
 770static int cs43130_dsd_hw_params(struct snd_pcm_substream *substream,
 771				 struct snd_pcm_hw_params *params,
 772				 struct snd_soc_dai *dai)
 773{
 774	struct snd_soc_component *component = dai->component;
 775	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 776	unsigned int required_clk;
 777	u8 dsd_speed;
 778
 779	mutex_lock(&cs43130->clk_mutex);
 780	if (!cs43130->clk_req) {
 781		/* no DAI is currently using clk */
 782		if (!(CS43130_MCLK_22M % params_rate(params)))
 783			required_clk = CS43130_MCLK_22M;
 784		else
 785			required_clk = CS43130_MCLK_24M;
 786
 787		cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk);
 788		if (cs43130->pll_bypass)
 789			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
 790		else
 791			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
 792	}
 793
 794	cs43130->clk_req++;
 795	if (cs43130->clk_req == 2)
 796		cs43130_pcm_dsd_mix(true, cs43130->regmap);
 797	mutex_unlock(&cs43130->clk_mutex);
 798
 799	switch (params_rate(params)) {
 800	case 176400:
 801		dsd_speed = 0;
 802		break;
 803	case 352800:
 804		dsd_speed = 1;
 805		break;
 806	default:
 807		dev_err(component->dev, "Rate(%u) not supported\n",
 808			params_rate(params));
 809		return -EINVAL;
 810	}
 811
 812	if (cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM)
 813		regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG,
 814				   CS43130_DSD_MASTER, CS43130_DSD_MASTER);
 815	else
 816		regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG,
 817				   CS43130_DSD_MASTER, 0);
 818
 819	regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 820			   CS43130_DSD_SPEED_MASK,
 821			   dsd_speed << CS43130_DSD_SPEED_SHIFT);
 822	regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 823			   CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_DSD <<
 824			   CS43130_DSD_SRC_SHIFT);
 825
 826	return 0;
 827}
 828
 829static int cs43130_hw_params(struct snd_pcm_substream *substream,
 830				 struct snd_pcm_hw_params *params,
 831				 struct snd_soc_dai *dai)
 832{
 833	struct snd_soc_component *component = dai->component;
 834	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 835	const struct cs43130_rate_map *rate_map;
 836	unsigned int sclk = cs43130->dais[dai->id].sclk;
 837	unsigned int bitwidth_sclk;
 838	unsigned int bitwidth_dai = (unsigned int)(params_width(params));
 839	unsigned int required_clk;
 840	u8 dsd_speed;
 841
 842	mutex_lock(&cs43130->clk_mutex);
 843	if (!cs43130->clk_req) {
 844		/* no DAI is currently using clk */
 845		if (!(CS43130_MCLK_22M % params_rate(params)))
 846			required_clk = CS43130_MCLK_22M;
 847		else
 848			required_clk = CS43130_MCLK_24M;
 849
 850		cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk);
 851		if (cs43130->pll_bypass)
 852			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
 853		else
 854			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
 855	}
 856
 857	cs43130->clk_req++;
 858	if (cs43130->clk_req == 2)
 859		cs43130_pcm_dsd_mix(true, cs43130->regmap);
 860	mutex_unlock(&cs43130->clk_mutex);
 861
 862	switch (dai->id) {
 863	case CS43130_ASP_DOP_DAI:
 864	case CS43130_XSP_DOP_DAI:
 865		/* DoP bitwidth is always 24-bit */
 866		bitwidth_dai = 24;
 867		sclk = params_rate(params) * bitwidth_dai *
 868		       params_channels(params);
 869
 870		switch (params_rate(params)) {
 871		case 176400:
 872			dsd_speed = 0;
 873			break;
 874		case 352800:
 875			dsd_speed = 1;
 876			break;
 877		default:
 878			dev_err(component->dev, "Rate(%u) not supported\n",
 879				params_rate(params));
 880			return -EINVAL;
 881		}
 882
 883		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 884				   CS43130_DSD_SPEED_MASK,
 885				   dsd_speed << CS43130_DSD_SPEED_SHIFT);
 886		break;
 887	case CS43130_ASP_PCM_DAI:
 888		rate_map = cs43130_get_rate_table(params_rate(params));
 889		if (!rate_map)
 890			return -EINVAL;
 891
 892		regmap_write(cs43130->regmap, CS43130_SP_SRATE, rate_map->val);
 893		break;
 894	default:
 895		dev_err(component->dev, "Invalid DAI (%d)\n", dai->id);
 896		return -EINVAL;
 897	}
 898
 899	switch (dai->id) {
 900	case CS43130_ASP_DOP_DAI:
 901		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 902				   CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_ASP <<
 903				   CS43130_DSD_SRC_SHIFT);
 904		break;
 905	case CS43130_XSP_DOP_DAI:
 906		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
 907				   CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_XSP <<
 908				   CS43130_DSD_SRC_SHIFT);
 909		break;
 910	}
 911
 912	if (!sclk && cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM)
 913		/* Calculate SCLK in master mode if unassigned */
 914		sclk = params_rate(params) * bitwidth_dai *
 915		       params_channels(params);
 916
 917	if (!sclk) {
 918		/* at this point, SCLK must be set */
 919		dev_err(component->dev, "SCLK freq is not set\n");
 920		return -EINVAL;
 921	}
 922
 923	bitwidth_sclk = (sclk / params_rate(params)) / params_channels(params);
 924	if (bitwidth_sclk < bitwidth_dai) {
 925		dev_err(component->dev, "Format not supported: SCLK freq is too low\n");
 926		return -EINVAL;
 927	}
 928
 929	dev_dbg(component->dev,
 930		"sclk = %u, fs = %d, bitwidth_dai = %u\n",
 931		sclk, params_rate(params), bitwidth_dai);
 932
 933	dev_dbg(component->dev,
 934		"bitwidth_sclk = %u, num_ch = %u\n",
 935		bitwidth_sclk, params_channels(params));
 936
 937	cs43130_set_bitwidth(dai->id, bitwidth_dai, cs43130->regmap);
 938	cs43130_set_sp_fmt(dai->id, bitwidth_sclk, params, cs43130);
 939
 940	return 0;
 941}
 942
 943static int cs43130_hw_free(struct snd_pcm_substream *substream,
 944			   struct snd_soc_dai *dai)
 945{
 946	struct snd_soc_component *component = dai->component;
 947	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
 948
 949	mutex_lock(&cs43130->clk_mutex);
 950	cs43130->clk_req--;
 951	if (!cs43130->clk_req) {
 952		/* no DAI is currently using clk */
 953		cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
 954		cs43130_pcm_dsd_mix(false, cs43130->regmap);
 955	}
 956	mutex_unlock(&cs43130->clk_mutex);
 957
 958	return 0;
 959}
 960
 961static const DECLARE_TLV_DB_SCALE(pcm_vol_tlv, -12750, 50, 1);
 962
 963static const char * const pcm_ch_text[] = {
 964	"Left-Right Ch",
 965	"Left-Left Ch",
 966	"Right-Left Ch",
 967	"Right-Right Ch",
 968};
 969
 970static const struct reg_sequence pcm_ch_en_seq[] = {
 971	{CS43130_DXD1, 0x99},
 972	{0x180005, 0x8C},
 973	{0x180007, 0xAB},
 974	{0x180015, 0x31},
 975	{0x180017, 0xB2},
 976	{0x180025, 0x30},
 977	{0x180027, 0x84},
 978	{0x180035, 0x9C},
 979	{0x180037, 0xAE},
 980	{0x18000D, 0x24},
 981	{0x18000F, 0xA3},
 982	{0x18001D, 0x05},
 983	{0x18001F, 0xD4},
 984	{0x18002D, 0x0B},
 985	{0x18002F, 0xC7},
 986	{0x18003D, 0x71},
 987	{0x18003F, 0xE7},
 988	{CS43130_DXD1, 0},
 989};
 990
 991static const struct reg_sequence pcm_ch_dis_seq[] = {
 992	{CS43130_DXD1, 0x99},
 993	{0x180005, 0x24},
 994	{0x180007, 0xA3},
 995	{0x180015, 0x05},
 996	{0x180017, 0xD4},
 997	{0x180025, 0x0B},
 998	{0x180027, 0xC7},
 999	{0x180035, 0x71},
1000	{0x180037, 0xE7},
1001	{0x18000D, 0x8C},
1002	{0x18000F, 0xAB},
1003	{0x18001D, 0x31},
1004	{0x18001F, 0xB2},
1005	{0x18002D, 0x30},
1006	{0x18002F, 0x84},
1007	{0x18003D, 0x9C},
1008	{0x18003F, 0xAE},
1009	{CS43130_DXD1, 0},
1010};
1011
1012static int cs43130_pcm_ch_get(struct snd_kcontrol *kcontrol,
1013			      struct snd_ctl_elem_value *ucontrol)
1014{
1015	return snd_soc_get_enum_double(kcontrol, ucontrol);
1016}
1017
1018static int cs43130_pcm_ch_put(struct snd_kcontrol *kcontrol,
1019			      struct snd_ctl_elem_value *ucontrol)
1020{
1021	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1022	unsigned int *item = ucontrol->value.enumerated.item;
1023	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1024	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1025	unsigned int val;
1026
1027	if (item[0] >= e->items)
1028		return -EINVAL;
1029	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
1030
1031	switch (cs43130->dev_id) {
1032	case CS43131_CHIP_ID:
1033	case CS43198_CHIP_ID:
1034		if (val >= 2)
1035			regmap_multi_reg_write(cs43130->regmap, pcm_ch_en_seq,
1036					       ARRAY_SIZE(pcm_ch_en_seq));
1037		else
1038			regmap_multi_reg_write(cs43130->regmap, pcm_ch_dis_seq,
1039					       ARRAY_SIZE(pcm_ch_dis_seq));
1040		break;
1041	}
1042
1043	return snd_soc_put_enum_double(kcontrol, ucontrol);
1044}
1045
1046static SOC_ENUM_SINGLE_DECL(pcm_ch_enum, CS43130_PCM_PATH_CTL_2, 0,
1047			    pcm_ch_text);
1048
1049static const char * const pcm_spd_texts[] = {
1050	"Fast",
1051	"Slow",
1052};
1053
1054static SOC_ENUM_SINGLE_DECL(pcm_spd_enum, CS43130_PCM_FILT_OPT, 7,
1055			    pcm_spd_texts);
1056
1057static const char * const dsd_texts[] = {
1058	"Off",
1059	"BCKA Mode",
1060	"BCKD Mode",
1061};
1062
1063static const unsigned int dsd_values[] = {
1064	CS43130_DSD_SRC_DSD,
1065	CS43130_DSD_SRC_ASP,
1066	CS43130_DSD_SRC_XSP,
1067};
1068
1069static SOC_VALUE_ENUM_SINGLE_DECL(dsd_enum, CS43130_DSD_INT_CFG, 0, 0x03,
1070				  dsd_texts, dsd_values);
1071
1072static const struct snd_kcontrol_new cs43130_snd_controls[] = {
1073	SOC_DOUBLE_R_TLV("Master Playback Volume",
1074			 CS43130_PCM_VOL_A, CS43130_PCM_VOL_B, 0, 0xFF, 1,
1075			 pcm_vol_tlv),
1076	SOC_DOUBLE_R_TLV("Master DSD Playback Volume",
1077			 CS43130_DSD_VOL_A, CS43130_DSD_VOL_B, 0, 0xFF, 1,
1078			 pcm_vol_tlv),
1079	SOC_ENUM_EXT("PCM Ch Select", pcm_ch_enum, cs43130_pcm_ch_get,
1080		     cs43130_pcm_ch_put),
1081	SOC_ENUM("PCM Filter Speed", pcm_spd_enum),
1082	SOC_SINGLE("PCM Phase Compensation", CS43130_PCM_FILT_OPT, 6, 1, 0),
1083	SOC_SINGLE("PCM Nonoversample Emulate", CS43130_PCM_FILT_OPT, 5, 1, 0),
1084	SOC_SINGLE("PCM High-pass Filter", CS43130_PCM_FILT_OPT, 1, 1, 0),
1085	SOC_SINGLE("PCM De-emphasis Filter", CS43130_PCM_FILT_OPT, 0, 1, 0),
1086	SOC_ENUM("DSD Phase Modulation", dsd_enum),
1087};
1088
1089static const struct reg_sequence pcm_seq[] = {
1090	{CS43130_DXD1, 0x99},
1091	{CS43130_DXD7, 0x01},
1092	{CS43130_DXD8, 0},
1093	{CS43130_DXD9, 0x01},
1094	{CS43130_DXD3, 0x12},
1095	{CS43130_DXD4, 0},
1096	{CS43130_DXD10, 0x28},
1097	{CS43130_DXD11, 0x28},
1098	{CS43130_DXD1, 0},
1099};
1100
1101static const struct reg_sequence dsd_seq[] = {
1102	{CS43130_DXD1, 0x99},
1103	{CS43130_DXD7, 0x01},
1104	{CS43130_DXD8, 0},
1105	{CS43130_DXD9, 0x01},
1106	{CS43130_DXD3, 0x12},
1107	{CS43130_DXD4, 0},
1108	{CS43130_DXD10, 0x1E},
1109	{CS43130_DXD11, 0x20},
1110	{CS43130_DXD1, 0},
1111};
1112
1113static const struct reg_sequence pop_free_seq[] = {
1114	{CS43130_DXD1, 0x99},
1115	{CS43130_DXD12, 0x0A},
1116	{CS43130_DXD1, 0},
1117};
1118
1119static const struct reg_sequence pop_free_seq2[] = {
1120	{CS43130_DXD1, 0x99},
1121	{CS43130_DXD13, 0x20},
1122	{CS43130_DXD1, 0},
1123};
1124
1125static const struct reg_sequence mute_seq[] = {
1126	{CS43130_DXD1, 0x99},
1127	{CS43130_DXD3, 0x12},
1128	{CS43130_DXD5, 0x02},
1129	{CS43130_DXD4, 0x12},
1130	{CS43130_DXD1, 0},
1131};
1132
1133static const struct reg_sequence unmute_seq[] = {
1134	{CS43130_DXD1, 0x99},
1135	{CS43130_DXD3, 0x10},
1136	{CS43130_DXD5, 0},
1137	{CS43130_DXD4, 0x16},
1138	{CS43130_DXD1, 0},
1139};
1140
1141static int cs43130_dsd_event(struct snd_soc_dapm_widget *w,
1142			      struct snd_kcontrol *kcontrol, int event)
1143{
1144	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1145	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1146
1147	switch (event) {
1148	case SND_SOC_DAPM_PRE_PMU:
1149		switch (cs43130->dev_id) {
1150		case CS43130_CHIP_ID:
1151		case CS4399_CHIP_ID:
1152			regmap_multi_reg_write(cs43130->regmap, dsd_seq,
1153					       ARRAY_SIZE(dsd_seq));
1154			break;
1155		}
1156		break;
1157	case SND_SOC_DAPM_POST_PMU:
1158		regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_1,
1159				   CS43130_MUTE_MASK, 0);
1160		switch (cs43130->dev_id) {
1161		case CS43130_CHIP_ID:
1162		case CS4399_CHIP_ID:
1163			regmap_multi_reg_write(cs43130->regmap, unmute_seq,
1164					       ARRAY_SIZE(unmute_seq));
1165			break;
1166		}
1167		break;
1168	case SND_SOC_DAPM_PRE_PMD:
1169		switch (cs43130->dev_id) {
1170		case CS43130_CHIP_ID:
1171		case CS4399_CHIP_ID:
1172			regmap_multi_reg_write(cs43130->regmap, mute_seq,
1173					       ARRAY_SIZE(mute_seq));
1174			regmap_update_bits(cs43130->regmap,
1175					   CS43130_DSD_PATH_CTL_1,
1176					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1177			/*
1178			 * DSD Power Down Sequence
1179			 * According to Design, 130ms is preferred.
1180			 */
1181			msleep(130);
1182			break;
1183		case CS43131_CHIP_ID:
1184		case CS43198_CHIP_ID:
1185			regmap_update_bits(cs43130->regmap,
1186					   CS43130_DSD_PATH_CTL_1,
1187					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1188			break;
1189		}
1190		break;
1191	default:
1192		dev_err(component->dev, "Invalid event = 0x%x\n", event);
1193		return -EINVAL;
1194	}
1195	return 0;
1196}
1197
1198static int cs43130_pcm_event(struct snd_soc_dapm_widget *w,
1199			      struct snd_kcontrol *kcontrol, int event)
1200{
1201	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1202	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1203
1204	switch (event) {
1205	case SND_SOC_DAPM_PRE_PMU:
1206		switch (cs43130->dev_id) {
1207		case CS43130_CHIP_ID:
1208		case CS4399_CHIP_ID:
1209			regmap_multi_reg_write(cs43130->regmap, pcm_seq,
1210					       ARRAY_SIZE(pcm_seq));
1211			break;
1212		}
1213		break;
1214	case SND_SOC_DAPM_POST_PMU:
1215		regmap_update_bits(cs43130->regmap, CS43130_PCM_PATH_CTL_1,
1216				   CS43130_MUTE_MASK, 0);
1217		switch (cs43130->dev_id) {
1218		case CS43130_CHIP_ID:
1219		case CS4399_CHIP_ID:
1220			regmap_multi_reg_write(cs43130->regmap, unmute_seq,
1221					       ARRAY_SIZE(unmute_seq));
1222			break;
1223		}
1224		break;
1225	case SND_SOC_DAPM_PRE_PMD:
1226		switch (cs43130->dev_id) {
1227		case CS43130_CHIP_ID:
1228		case CS4399_CHIP_ID:
1229			regmap_multi_reg_write(cs43130->regmap, mute_seq,
1230					       ARRAY_SIZE(mute_seq));
1231			regmap_update_bits(cs43130->regmap,
1232					   CS43130_PCM_PATH_CTL_1,
1233					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1234			/*
1235			 * PCM Power Down Sequence
1236			 * According to Design, 130ms is preferred.
1237			 */
1238			msleep(130);
1239			break;
1240		case CS43131_CHIP_ID:
1241		case CS43198_CHIP_ID:
1242			regmap_update_bits(cs43130->regmap,
1243					   CS43130_PCM_PATH_CTL_1,
1244					   CS43130_MUTE_MASK, CS43130_MUTE_EN);
1245			break;
1246		}
1247		break;
1248	default:
1249		dev_err(component->dev, "Invalid event = 0x%x\n", event);
1250		return -EINVAL;
1251	}
1252	return 0;
1253}
1254
1255static const struct reg_sequence dac_postpmu_seq[] = {
1256	{CS43130_DXD9, 0x0C},
1257	{CS43130_DXD3, 0x10},
1258	{CS43130_DXD4, 0x20},
1259};
1260
1261static const struct reg_sequence dac_postpmd_seq[] = {
1262	{CS43130_DXD1, 0x99},
1263	{CS43130_DXD6, 0x01},
1264	{CS43130_DXD1, 0},
1265};
1266
1267static int cs43130_dac_event(struct snd_soc_dapm_widget *w,
1268			     struct snd_kcontrol *kcontrol, int event)
1269{
1270	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1271	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1272
1273	switch (event) {
1274	case SND_SOC_DAPM_PRE_PMU:
1275		switch (cs43130->dev_id) {
1276		case CS43130_CHIP_ID:
1277		case CS4399_CHIP_ID:
1278			regmap_multi_reg_write(cs43130->regmap, pop_free_seq,
1279					       ARRAY_SIZE(pop_free_seq));
1280			break;
1281		case CS43131_CHIP_ID:
1282		case CS43198_CHIP_ID:
1283			regmap_multi_reg_write(cs43130->regmap, pop_free_seq2,
1284					       ARRAY_SIZE(pop_free_seq2));
1285			break;
1286		}
1287		break;
1288	case SND_SOC_DAPM_POST_PMU:
1289		usleep_range(10000, 10050);
1290
1291		regmap_write(cs43130->regmap, CS43130_DXD1, 0x99);
1292
1293		switch (cs43130->dev_id) {
1294		case CS43130_CHIP_ID:
1295		case CS4399_CHIP_ID:
1296			regmap_multi_reg_write(cs43130->regmap, dac_postpmu_seq,
1297					       ARRAY_SIZE(dac_postpmu_seq));
1298			/*
1299			 * Per datasheet, Sec. PCM Power-Up Sequence.
1300			 * According to Design, CS43130_DXD12 must be 0 to meet
1301			 * THDN and Dynamic Range spec.
1302			 */
1303			msleep(1000);
1304			regmap_write(cs43130->regmap, CS43130_DXD12, 0);
1305			break;
1306		case CS43131_CHIP_ID:
1307		case CS43198_CHIP_ID:
1308			usleep_range(12000, 12010);
1309			regmap_write(cs43130->regmap, CS43130_DXD13, 0);
1310			break;
1311		}
1312
1313		regmap_write(cs43130->regmap, CS43130_DXD1, 0);
1314		break;
1315	case SND_SOC_DAPM_POST_PMD:
1316		switch (cs43130->dev_id) {
1317		case CS43130_CHIP_ID:
1318		case CS4399_CHIP_ID:
1319			regmap_multi_reg_write(cs43130->regmap, dac_postpmd_seq,
1320					       ARRAY_SIZE(dac_postpmd_seq));
1321			break;
1322		}
1323		break;
1324	default:
1325		dev_err(component->dev, "Invalid DAC event = 0x%x\n", event);
1326		return -EINVAL;
1327	}
1328	return 0;
1329}
1330
1331static const struct reg_sequence hpin_prepmd_seq[] = {
1332	{CS43130_DXD1, 0x99},
1333	{CS43130_DXD15, 0x64},
1334	{CS43130_DXD14, 0},
1335	{CS43130_DXD2, 0},
1336	{CS43130_DXD1, 0},
1337};
1338
1339static const struct reg_sequence hpin_postpmu_seq[] = {
1340	{CS43130_DXD1, 0x99},
1341	{CS43130_DXD2, 1},
1342	{CS43130_DXD14, 0xDC},
1343	{CS43130_DXD15, 0xE4},
1344	{CS43130_DXD1, 0},
1345};
1346
1347static int cs43130_hpin_event(struct snd_soc_dapm_widget *w,
1348			      struct snd_kcontrol *kcontrol, int event)
1349{
1350	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1351	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1352
1353	switch (event) {
1354	case SND_SOC_DAPM_POST_PMD:
1355		regmap_multi_reg_write(cs43130->regmap, hpin_prepmd_seq,
1356				       ARRAY_SIZE(hpin_prepmd_seq));
1357		break;
1358	case SND_SOC_DAPM_PRE_PMU:
1359		regmap_multi_reg_write(cs43130->regmap, hpin_postpmu_seq,
1360				       ARRAY_SIZE(hpin_postpmu_seq));
1361		break;
1362	default:
1363		dev_err(component->dev, "Invalid HPIN event = 0x%x\n", event);
1364		return -EINVAL;
1365	}
1366	return 0;
1367}
1368
1369static const struct snd_soc_dapm_widget digital_hp_widgets[] = {
1370	SND_SOC_DAPM_OUTPUT("HPOUTA"),
1371	SND_SOC_DAPM_OUTPUT("HPOUTB"),
1372
1373	SND_SOC_DAPM_AIF_IN_E("ASPIN PCM", NULL, 0, CS43130_PWDN_CTL,
1374			      CS43130_PDN_ASP_SHIFT, 1, cs43130_pcm_event,
1375			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1376			       SND_SOC_DAPM_PRE_PMD)),
1377
1378	SND_SOC_DAPM_AIF_IN_E("ASPIN DoP", NULL, 0, CS43130_PWDN_CTL,
1379			      CS43130_PDN_ASP_SHIFT, 1, cs43130_dsd_event,
1380			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1381			       SND_SOC_DAPM_PRE_PMD)),
1382
1383	SND_SOC_DAPM_AIF_IN_E("XSPIN DoP", NULL, 0, CS43130_PWDN_CTL,
1384			      CS43130_PDN_XSP_SHIFT, 1, cs43130_dsd_event,
1385			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1386			       SND_SOC_DAPM_PRE_PMD)),
1387
1388	SND_SOC_DAPM_AIF_IN_E("XSPIN DSD", NULL, 0, CS43130_PWDN_CTL,
1389			      CS43130_PDN_DSDIF_SHIFT, 1, cs43130_dsd_event,
1390			      (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1391			       SND_SOC_DAPM_PRE_PMD)),
1392
1393	SND_SOC_DAPM_DAC("DSD", NULL, CS43130_DSD_PATH_CTL_2,
1394			 CS43130_DSD_EN_SHIFT, 0),
1395
1396	SND_SOC_DAPM_DAC_E("HiFi DAC", NULL, CS43130_PWDN_CTL,
1397			   CS43130_PDN_HP_SHIFT, 1, cs43130_dac_event,
1398			   (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1399			    SND_SOC_DAPM_POST_PMD)),
1400};
1401
1402static const struct snd_soc_dapm_widget analog_hp_widgets[] = {
1403	SND_SOC_DAPM_DAC_E("Analog Playback", NULL, CS43130_HP_OUT_CTL_1,
1404			   CS43130_HP_IN_EN_SHIFT, 0, cs43130_hpin_event,
1405			   (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)),
1406};
1407
1408static struct snd_soc_dapm_widget all_hp_widgets[
1409			ARRAY_SIZE(digital_hp_widgets) +
1410			ARRAY_SIZE(analog_hp_widgets)];
1411
1412static const struct snd_soc_dapm_route digital_hp_routes[] = {
1413	{"ASPIN PCM", NULL, "ASP PCM Playback"},
1414	{"ASPIN DoP", NULL, "ASP DoP Playback"},
1415	{"XSPIN DoP", NULL, "XSP DoP Playback"},
1416	{"XSPIN DSD", NULL, "XSP DSD Playback"},
1417	{"DSD", NULL, "ASPIN DoP"},
1418	{"DSD", NULL, "XSPIN DoP"},
1419	{"DSD", NULL, "XSPIN DSD"},
1420	{"HiFi DAC", NULL, "ASPIN PCM"},
1421	{"HiFi DAC", NULL, "DSD"},
1422	{"HPOUTA", NULL, "HiFi DAC"},
1423	{"HPOUTB", NULL, "HiFi DAC"},
1424};
1425
1426static const struct snd_soc_dapm_route analog_hp_routes[] = {
1427	{"HPOUTA", NULL, "Analog Playback"},
1428	{"HPOUTB", NULL, "Analog Playback"},
1429};
1430
1431static struct snd_soc_dapm_route all_hp_routes[
1432			ARRAY_SIZE(digital_hp_routes) +
1433			ARRAY_SIZE(analog_hp_routes)];
1434
1435static const unsigned int cs43130_asp_src_rates[] = {
1436	32000, 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000
1437};
1438
1439static const struct snd_pcm_hw_constraint_list cs43130_asp_constraints = {
1440	.count	= ARRAY_SIZE(cs43130_asp_src_rates),
1441	.list	= cs43130_asp_src_rates,
1442};
1443
1444static int cs43130_pcm_startup(struct snd_pcm_substream *substream,
1445			       struct snd_soc_dai *dai)
1446{
1447	return snd_pcm_hw_constraint_list(substream->runtime, 0,
1448					  SNDRV_PCM_HW_PARAM_RATE,
1449					  &cs43130_asp_constraints);
1450}
1451
1452static const unsigned int cs43130_dop_src_rates[] = {
1453	176400, 352800,
1454};
1455
1456static const struct snd_pcm_hw_constraint_list cs43130_dop_constraints = {
1457	.count	= ARRAY_SIZE(cs43130_dop_src_rates),
1458	.list	= cs43130_dop_src_rates,
1459};
1460
1461static int cs43130_dop_startup(struct snd_pcm_substream *substream,
1462			       struct snd_soc_dai *dai)
1463{
1464	return snd_pcm_hw_constraint_list(substream->runtime, 0,
1465					  SNDRV_PCM_HW_PARAM_RATE,
1466					  &cs43130_dop_constraints);
1467}
1468
1469static int cs43130_pcm_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1470{
1471	struct snd_soc_component *component = codec_dai->component;
1472	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1473
1474	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1475	case SND_SOC_DAIFMT_CBS_CFS:
1476		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
1477		break;
1478	case SND_SOC_DAIFMT_CBM_CFM:
1479		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
1480		break;
1481	default:
1482		dev_err(component->dev, "unsupported mode\n");
1483		return -EINVAL;
1484	}
1485
1486	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1487	case SND_SOC_DAIFMT_I2S:
1488		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_I2S;
1489		break;
1490	case SND_SOC_DAIFMT_LEFT_J:
1491		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_LEFT_J;
1492		break;
1493	case SND_SOC_DAIFMT_DSP_A:
1494		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_A;
1495		break;
1496	case SND_SOC_DAIFMT_DSP_B:
1497		cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_B;
1498		break;
1499	default:
1500		dev_err(component->dev,
1501			"unsupported audio format\n");
1502		return -EINVAL;
1503	}
1504
1505	dev_dbg(component->dev, "dai_id = %d,  dai_mode = %u, dai_format = %u\n",
1506		codec_dai->id,
1507		cs43130->dais[codec_dai->id].dai_mode,
1508		cs43130->dais[codec_dai->id].dai_format);
1509
1510	return 0;
1511}
1512
1513static int cs43130_dsd_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1514{
1515	struct snd_soc_component *component = codec_dai->component;
1516	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1517
1518	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1519	case SND_SOC_DAIFMT_CBS_CFS:
1520		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
1521		break;
1522	case SND_SOC_DAIFMT_CBM_CFM:
1523		cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
1524		break;
1525	default:
1526		dev_err(component->dev, "Unsupported DAI format.\n");
1527		return -EINVAL;
1528	}
1529
1530	dev_dbg(component->dev, "dai_mode = 0x%x\n",
1531		cs43130->dais[codec_dai->id].dai_mode);
1532
1533	return 0;
1534}
1535
1536static int cs43130_set_sysclk(struct snd_soc_dai *codec_dai,
1537				  int clk_id, unsigned int freq, int dir)
1538{
1539	struct snd_soc_component *component = codec_dai->component;
1540	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1541
1542	cs43130->dais[codec_dai->id].sclk = freq;
1543	dev_dbg(component->dev, "dai_id = %d,  sclk = %u\n", codec_dai->id,
1544		cs43130->dais[codec_dai->id].sclk);
1545
1546	return 0;
1547}
1548
1549static const struct snd_soc_dai_ops cs43130_pcm_ops = {
1550	.startup	= cs43130_pcm_startup,
1551	.hw_params	= cs43130_hw_params,
1552	.hw_free	= cs43130_hw_free,
1553	.set_sysclk	= cs43130_set_sysclk,
1554	.set_fmt	= cs43130_pcm_set_fmt,
1555};
1556
1557static const struct snd_soc_dai_ops cs43130_dop_ops = {
1558	.startup	= cs43130_dop_startup,
1559	.hw_params	= cs43130_hw_params,
1560	.hw_free	= cs43130_hw_free,
1561	.set_sysclk	= cs43130_set_sysclk,
1562	.set_fmt	= cs43130_pcm_set_fmt,
1563};
1564
1565static const struct snd_soc_dai_ops cs43130_dsd_ops = {
1566	.startup        = cs43130_dop_startup,
1567	.hw_params	= cs43130_dsd_hw_params,
1568	.hw_free	= cs43130_hw_free,
1569	.set_fmt	= cs43130_dsd_set_fmt,
1570};
1571
1572static struct snd_soc_dai_driver cs43130_dai[] = {
1573	{
1574		.name = "cs43130-asp-pcm",
1575		.id = CS43130_ASP_PCM_DAI,
1576		.playback = {
1577			.stream_name = "ASP PCM Playback",
1578			.channels_min = 1,
1579			.channels_max = 2,
1580			.rates = SNDRV_PCM_RATE_KNOT,
1581			.formats = CS43130_PCM_FORMATS,
1582		},
1583		.ops = &cs43130_pcm_ops,
1584		.symmetric_rates = 1,
1585	},
1586	{
1587		.name = "cs43130-asp-dop",
1588		.id = CS43130_ASP_DOP_DAI,
1589		.playback = {
1590			.stream_name = "ASP DoP Playback",
1591			.channels_min = 1,
1592			.channels_max = 2,
1593			.rates = SNDRV_PCM_RATE_KNOT,
1594			.formats = CS43130_DOP_FORMATS,
1595		},
1596		.ops = &cs43130_dop_ops,
1597		.symmetric_rates = 1,
1598	},
1599	{
1600		.name = "cs43130-xsp-dop",
1601		.id = CS43130_XSP_DOP_DAI,
1602		.playback = {
1603			.stream_name = "XSP DoP Playback",
1604			.channels_min = 1,
1605			.channels_max = 2,
1606			.rates = SNDRV_PCM_RATE_KNOT,
1607			.formats = CS43130_DOP_FORMATS,
1608		},
1609		.ops = &cs43130_dop_ops,
1610		.symmetric_rates = 1,
1611	},
1612	{
1613		.name = "cs43130-xsp-dsd",
1614		.id = CS43130_XSP_DSD_DAI,
1615		.playback = {
1616			.stream_name = "XSP DSD Playback",
1617			.channels_min = 1,
1618			.channels_max = 2,
1619			.rates = SNDRV_PCM_RATE_KNOT,
1620			.formats = CS43130_DOP_FORMATS,
1621		},
1622		.ops = &cs43130_dsd_ops,
1623	},
1624
1625};
1626
1627static int cs43130_component_set_sysclk(struct snd_soc_component *component,
1628				    int clk_id, int source, unsigned int freq,
1629				    int dir)
1630{
1631	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
1632
1633	dev_dbg(component->dev, "clk_id = %d, source = %d, freq = %d, dir = %d\n",
1634		clk_id, source, freq, dir);
1635
1636	switch (freq) {
1637	case CS43130_MCLK_22M:
1638	case CS43130_MCLK_24M:
1639		cs43130->mclk = freq;
1640		break;
1641	default:
1642		dev_err(component->dev, "Invalid MCLK INT freq: %u\n", freq);
1643		return -EINVAL;
1644	}
1645
1646	if (source == CS43130_MCLK_SRC_EXT) {
1647		cs43130->pll_bypass = true;
1648	} else {
1649		dev_err(component->dev, "Invalid MCLK source\n");
1650		return -EINVAL;
1651	}
1652
1653	return 0;
1654}
1655
1656static inline u16 cs43130_get_ac_reg_val(u16 ac_freq)
1657{
1658	/* AC freq is counted in 5.94Hz step. */
1659	return ac_freq / 6;
1660}
1661
1662static int cs43130_show_dc(struct device *dev, char *buf, u8 ch)
1663{
1664	struct i2c_client *client = to_i2c_client(dev);
1665	struct cs43130_private *cs43130 = i2c_get_clientdata(client);
1666
1667	if (!cs43130->hpload_done)
1668		return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n");
1669	else
1670		return scnprintf(buf, PAGE_SIZE, "%u\n",
1671				 cs43130->hpload_dc[ch]);
1672}
1673
1674static ssize_t cs43130_show_dc_l(struct device *dev,
1675				 struct device_attribute *attr, char *buf)
1676{
1677	return cs43130_show_dc(dev, buf, HP_LEFT);
1678}
1679
1680static ssize_t cs43130_show_dc_r(struct device *dev,
1681				 struct device_attribute *attr, char *buf)
1682{
1683	return cs43130_show_dc(dev, buf, HP_RIGHT);
1684}
1685
1686static u16 const cs43130_ac_freq[CS43130_AC_FREQ] = {
1687	24,
1688	43,
1689	93,
1690	200,
1691	431,
1692	928,
1693	2000,
1694	4309,
1695	9283,
1696	20000,
1697};
1698
1699static int cs43130_show_ac(struct device *dev, char *buf, u8 ch)
1700{
1701	int i, j = 0, tmp;
1702	struct i2c_client *client = to_i2c_client(dev);
1703	struct cs43130_private *cs43130 = i2c_get_clientdata(client);
1704
1705	if (cs43130->hpload_done && cs43130->ac_meas) {
1706		for (i = 0; i < ARRAY_SIZE(cs43130_ac_freq); i++) {
1707			tmp = scnprintf(buf + j, PAGE_SIZE - j, "%u\n",
1708					cs43130->hpload_ac[i][ch]);
1709			if (!tmp)
1710				break;
1711
1712			j += tmp;
1713		}
1714
1715		return j;
1716	} else {
1717		return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n");
1718	}
1719}
1720
1721static ssize_t cs43130_show_ac_l(struct device *dev,
1722				 struct device_attribute *attr, char *buf)
1723{
1724	return cs43130_show_ac(dev, buf, HP_LEFT);
1725}
1726
1727static ssize_t cs43130_show_ac_r(struct device *dev,
1728				 struct device_attribute *attr, char *buf)
1729{
1730	return cs43130_show_ac(dev, buf, HP_RIGHT);
1731}
1732
1733static DEVICE_ATTR(hpload_dc_l, 0444, cs43130_show_dc_l, NULL);
1734static DEVICE_ATTR(hpload_dc_r, 0444, cs43130_show_dc_r, NULL);
1735static DEVICE_ATTR(hpload_ac_l, 0444, cs43130_show_ac_l, NULL);
1736static DEVICE_ATTR(hpload_ac_r, 0444, cs43130_show_ac_r, NULL);
1737
1738static struct reg_sequence hp_en_cal_seq[] = {
1739	{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
1740	{CS43130_HP_MEAS_LOAD_1, 0},
1741	{CS43130_HP_MEAS_LOAD_2, 0},
1742	{CS43130_INT_MASK_4, 0},
1743	{CS43130_DXD1, 0x99},
1744	{CS43130_DXD16, 0xBB},
1745	{CS43130_DXD12, 0x01},
1746	{CS43130_DXD19, 0xCB},
1747	{CS43130_DXD17, 0x95},
1748	{CS43130_DXD18, 0x0B},
1749	{CS43130_DXD1, 0},
1750	{CS43130_HP_LOAD_1, 0x80},
1751};
1752
1753static struct reg_sequence hp_en_cal_seq2[] = {
1754	{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
1755	{CS43130_HP_MEAS_LOAD_1, 0},
1756	{CS43130_HP_MEAS_LOAD_2, 0},
1757	{CS43130_INT_MASK_4, 0},
1758	{CS43130_HP_LOAD_1, 0x80},
1759};
1760
1761static struct reg_sequence hp_dis_cal_seq[] = {
1762	{CS43130_HP_LOAD_1, 0x80},
1763	{CS43130_DXD1, 0x99},
1764	{CS43130_DXD12, 0},
1765	{CS43130_DXD1, 0},
1766	{CS43130_HP_LOAD_1, 0},
1767};
1768
1769static struct reg_sequence hp_dis_cal_seq2[] = {
1770	{CS43130_HP_LOAD_1, 0x80},
1771	{CS43130_HP_LOAD_1, 0},
1772};
1773
1774static struct reg_sequence hp_dc_ch_l_seq[] = {
1775	{CS43130_DXD1, 0x99},
1776	{CS43130_DXD19, 0x0A},
1777	{CS43130_DXD17, 0x93},
1778	{CS43130_DXD18, 0x0A},
1779	{CS43130_DXD1, 0},
1780	{CS43130_HP_LOAD_1, 0x80},
1781	{CS43130_HP_LOAD_1, 0x81},
1782};
1783
1784static struct reg_sequence hp_dc_ch_l_seq2[] = {
1785	{CS43130_HP_LOAD_1, 0x80},
1786	{CS43130_HP_LOAD_1, 0x81},
1787};
1788
1789static struct reg_sequence hp_dc_ch_r_seq[] = {
1790	{CS43130_DXD1, 0x99},
1791	{CS43130_DXD19, 0x8A},
1792	{CS43130_DXD17, 0x15},
1793	{CS43130_DXD18, 0x06},
1794	{CS43130_DXD1, 0},
1795	{CS43130_HP_LOAD_1, 0x90},
1796	{CS43130_HP_LOAD_1, 0x91},
1797};
1798
1799static struct reg_sequence hp_dc_ch_r_seq2[] = {
1800	{CS43130_HP_LOAD_1, 0x90},
1801	{CS43130_HP_LOAD_1, 0x91},
1802};
1803
1804static struct reg_sequence hp_ac_ch_l_seq[] = {
1805	{CS43130_DXD1, 0x99},
1806	{CS43130_DXD19, 0x0A},
1807	{CS43130_DXD17, 0x93},
1808	{CS43130_DXD18, 0x0A},
1809	{CS43130_DXD1, 0},
1810	{CS43130_HP_LOAD_1, 0x80},
1811	{CS43130_HP_LOAD_1, 0x82},
1812};
1813
1814static struct reg_sequence hp_ac_ch_l_seq2[] = {
1815	{CS43130_HP_LOAD_1, 0x80},
1816	{CS43130_HP_LOAD_1, 0x82},
1817};
1818
1819static struct reg_sequence hp_ac_ch_r_seq[] = {
1820	{CS43130_DXD1, 0x99},
1821	{CS43130_DXD19, 0x8A},
1822	{CS43130_DXD17, 0x15},
1823	{CS43130_DXD18, 0x06},
1824	{CS43130_DXD1, 0},
1825	{CS43130_HP_LOAD_1, 0x90},
1826	{CS43130_HP_LOAD_1, 0x92},
1827};
1828
1829static struct reg_sequence hp_ac_ch_r_seq2[] = {
1830	{CS43130_HP_LOAD_1, 0x90},
1831	{CS43130_HP_LOAD_1, 0x92},
1832};
1833
1834static struct reg_sequence hp_cln_seq[] = {
1835	{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
1836	{CS43130_HP_MEAS_LOAD_1, 0},
1837	{CS43130_HP_MEAS_LOAD_2, 0},
1838};
1839
1840struct reg_sequences {
1841	struct reg_sequence	*seq;
1842	int			size;
1843	unsigned int		msk;
1844};
1845
1846static struct reg_sequences hpload_seq1[] = {
1847	{
1848		.seq	= hp_en_cal_seq,
1849		.size	= ARRAY_SIZE(hp_en_cal_seq),
1850		.msk	= CS43130_HPLOAD_ON_INT,
1851	},
1852	{
1853		.seq	= hp_dc_ch_l_seq,
1854		.size	= ARRAY_SIZE(hp_dc_ch_l_seq),
1855		.msk	= CS43130_HPLOAD_DC_INT,
1856	},
1857	{
1858		.seq	= hp_ac_ch_l_seq,
1859		.size	= ARRAY_SIZE(hp_ac_ch_l_seq),
1860		.msk	= CS43130_HPLOAD_AC_INT,
1861	},
1862	{
1863		.seq	= hp_dis_cal_seq,
1864		.size	= ARRAY_SIZE(hp_dis_cal_seq),
1865		.msk	= CS43130_HPLOAD_OFF_INT,
1866	},
1867	{
1868		.seq	= hp_en_cal_seq,
1869		.size	= ARRAY_SIZE(hp_en_cal_seq),
1870		.msk	= CS43130_HPLOAD_ON_INT,
1871	},
1872	{
1873		.seq	= hp_dc_ch_r_seq,
1874		.size	= ARRAY_SIZE(hp_dc_ch_r_seq),
1875		.msk	= CS43130_HPLOAD_DC_INT,
1876	},
1877	{
1878		.seq	= hp_ac_ch_r_seq,
1879		.size	= ARRAY_SIZE(hp_ac_ch_r_seq),
1880		.msk	= CS43130_HPLOAD_AC_INT,
1881	},
1882};
1883
1884static struct reg_sequences hpload_seq2[] = {
1885	{
1886		.seq	= hp_en_cal_seq2,
1887		.size	= ARRAY_SIZE(hp_en_cal_seq2),
1888		.msk	= CS43130_HPLOAD_ON_INT,
1889	},
1890	{
1891		.seq	= hp_dc_ch_l_seq2,
1892		.size	= ARRAY_SIZE(hp_dc_ch_l_seq2),
1893		.msk	= CS43130_HPLOAD_DC_INT,
1894	},
1895	{
1896		.seq	= hp_ac_ch_l_seq2,
1897		.size	= ARRAY_SIZE(hp_ac_ch_l_seq2),
1898		.msk	= CS43130_HPLOAD_AC_INT,
1899	},
1900	{
1901		.seq	= hp_dis_cal_seq2,
1902		.size	= ARRAY_SIZE(hp_dis_cal_seq2),
1903		.msk	= CS43130_HPLOAD_OFF_INT,
1904	},
1905	{
1906		.seq	= hp_en_cal_seq2,
1907		.size	= ARRAY_SIZE(hp_en_cal_seq2),
1908		.msk	= CS43130_HPLOAD_ON_INT,
1909	},
1910	{
1911		.seq	= hp_dc_ch_r_seq2,
1912		.size	= ARRAY_SIZE(hp_dc_ch_r_seq2),
1913		.msk	= CS43130_HPLOAD_DC_INT,
1914	},
1915	{
1916		.seq	= hp_ac_ch_r_seq2,
1917		.size	= ARRAY_SIZE(hp_ac_ch_r_seq2),
1918		.msk	= CS43130_HPLOAD_AC_INT,
1919	},
1920};
1921
1922static int cs43130_update_hpload(unsigned int msk, int ac_idx,
1923				 struct cs43130_private *cs43130)
1924{
1925	bool left_ch = true;
1926	unsigned int reg;
1927	u32 addr;
1928	u16 impedance;
1929	struct snd_soc_component *component = cs43130->component;
1930
1931	switch (msk) {
1932	case CS43130_HPLOAD_DC_INT:
1933	case CS43130_HPLOAD_AC_INT:
1934		break;
1935	default:
1936		return 0;
1937	}
1938
1939	regmap_read(cs43130->regmap, CS43130_HP_LOAD_1, &reg);
1940	if (reg & CS43130_HPLOAD_CHN_SEL)
1941		left_ch = false;
1942
1943	if (msk == CS43130_HPLOAD_DC_INT)
1944		addr = CS43130_HP_DC_STAT_1;
1945	else
1946		addr = CS43130_HP_AC_STAT_1;
1947
1948	regmap_read(cs43130->regmap, addr, &reg);
1949	impedance = reg >> 3;
1950	regmap_read(cs43130->regmap, addr + 1, &reg);
1951	impedance |= reg << 5;
1952
1953	if (msk == CS43130_HPLOAD_DC_INT) {
1954		if (left_ch)
1955			cs43130->hpload_dc[HP_LEFT] = impedance;
1956		else
1957			cs43130->hpload_dc[HP_RIGHT] = impedance;
1958
1959		dev_dbg(component->dev, "HP DC impedance (Ch %u): %u\n", !left_ch,
1960			impedance);
1961	} else {
1962		if (left_ch)
1963			cs43130->hpload_ac[ac_idx][HP_LEFT] = impedance;
1964		else
1965			cs43130->hpload_ac[ac_idx][HP_RIGHT] = impedance;
1966
1967		dev_dbg(component->dev, "HP AC (%u Hz) impedance (Ch %u): %u\n",
1968			cs43130->ac_freq[ac_idx], !left_ch, impedance);
1969	}
1970
1971	return 0;
1972}
1973
1974static int cs43130_hpload_proc(struct cs43130_private *cs43130,
1975			       struct reg_sequence *seq, int seq_size,
1976			       unsigned int rslt_msk, int ac_idx)
1977{
1978	int ret;
1979	unsigned int msk;
1980	u16 ac_reg_val;
1981	struct snd_soc_component *component = cs43130->component;
1982
1983	reinit_completion(&cs43130->hpload_evt);
1984
1985	if (rslt_msk == CS43130_HPLOAD_AC_INT) {
1986		ac_reg_val = cs43130_get_ac_reg_val(cs43130->ac_freq[ac_idx]);
1987		regmap_update_bits(cs43130->regmap, CS43130_HP_LOAD_1,
1988				   CS43130_HPLOAD_AC_START, 0);
1989		regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_1,
1990				   CS43130_HP_MEAS_LOAD_MASK,
1991				   ac_reg_val >> CS43130_HP_MEAS_LOAD_1_SHIFT);
1992		regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_2,
1993				   CS43130_HP_MEAS_LOAD_MASK,
1994				   ac_reg_val >> CS43130_HP_MEAS_LOAD_2_SHIFT);
1995	}
1996
1997	regmap_multi_reg_write(cs43130->regmap, seq,
1998			       seq_size);
1999
2000	ret = wait_for_completion_timeout(&cs43130->hpload_evt,
2001					  msecs_to_jiffies(1000));
2002	regmap_read(cs43130->regmap, CS43130_INT_MASK_4, &msk);
2003	if (!ret) {
2004		dev_err(component->dev, "Timeout waiting for HPLOAD interrupt\n");
2005		return -1;
2006	}
2007
2008	dev_dbg(component->dev, "HP load stat: %x, INT_MASK_4: %x\n",
2009		cs43130->hpload_stat, msk);
2010	if ((cs43130->hpload_stat & (CS43130_HPLOAD_NO_DC_INT |
2011				     CS43130_HPLOAD_UNPLUG_INT |
2012				     CS43130_HPLOAD_OOR_INT)) ||
2013	    !(cs43130->hpload_stat & rslt_msk)) {
2014		dev_dbg(component->dev, "HP load measure failed\n");
2015		return -1;
2016	}
2017
2018	return 0;
2019}
2020
2021static const struct reg_sequence hv_seq[][2] = {
2022	{
2023		{CS43130_CLASS_H_CTL, 0x1C},
2024		{CS43130_HP_OUT_CTL_1, 0x10},
2025	},
2026	{
2027		{CS43130_CLASS_H_CTL, 0x1E},
2028		{CS43130_HP_OUT_CTL_1, 0x20},
2029	},
2030	{
2031		{CS43130_CLASS_H_CTL, 0x1E},
2032		{CS43130_HP_OUT_CTL_1, 0x30},
2033	},
2034};
2035
2036static int cs43130_set_hv(struct regmap *regmap, u16 hpload_dc,
2037			  const u16 *dc_threshold)
2038{
2039	int i;
2040
2041	for (i = 0; i < CS43130_DC_THRESHOLD; i++) {
2042		if (hpload_dc <= dc_threshold[i])
2043			break;
2044	}
2045
2046	regmap_multi_reg_write(regmap, hv_seq[i], ARRAY_SIZE(hv_seq[i]));
2047
2048	return 0;
2049}
2050
2051static void cs43130_imp_meas(struct work_struct *wk)
2052{
2053	unsigned int reg, seq_size;
2054	int i, ret, ac_idx;
2055	struct cs43130_private *cs43130;
2056	struct snd_soc_component *component;
2057	struct reg_sequences *hpload_seq;
2058
2059	cs43130 = container_of(wk, struct cs43130_private, work);
2060	component = cs43130->component;
2061
2062	if (!cs43130->mclk)
2063		return;
2064
2065	cs43130->hpload_done = false;
2066
2067	mutex_lock(&cs43130->clk_mutex);
2068	if (!cs43130->clk_req) {
2069		/* clk not in use */
2070		cs43130_set_pll(component, 0, 0, cs43130->mclk, CS43130_MCLK_22M);
2071		if (cs43130->pll_bypass)
2072			cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
2073		else
2074			cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
2075	}
2076
2077	cs43130->clk_req++;
2078	mutex_unlock(&cs43130->clk_mutex);
2079
2080	regmap_read(cs43130->regmap, CS43130_INT_STATUS_4, &reg);
2081
2082	switch (cs43130->dev_id) {
2083	case CS43130_CHIP_ID:
2084		hpload_seq = hpload_seq1;
2085		seq_size = ARRAY_SIZE(hpload_seq1);
2086		break;
2087	case CS43131_CHIP_ID:
2088		hpload_seq = hpload_seq2;
2089		seq_size = ARRAY_SIZE(hpload_seq2);
2090		break;
2091	default:
2092		WARN(1, "Invalid dev_id for meas: %d", cs43130->dev_id);
2093		return;
2094	}
2095
2096	i = 0;
2097	ac_idx = 0;
2098	while (i < seq_size) {
2099		ret = cs43130_hpload_proc(cs43130, hpload_seq[i].seq,
2100					  hpload_seq[i].size,
2101					  hpload_seq[i].msk, ac_idx);
2102		if (ret < 0)
2103			goto exit;
2104
2105		cs43130_update_hpload(hpload_seq[i].msk, ac_idx, cs43130);
2106
2107		if (cs43130->ac_meas &&
2108		    hpload_seq[i].msk == CS43130_HPLOAD_AC_INT &&
2109		    ac_idx < CS43130_AC_FREQ - 1) {
2110			ac_idx++;
2111		} else {
2112			ac_idx = 0;
2113			i++;
2114		}
2115	}
2116	cs43130->hpload_done = true;
2117
2118	if (cs43130->hpload_dc[HP_LEFT] >= CS43130_LINEOUT_LOAD)
2119		snd_soc_jack_report(&cs43130->jack, CS43130_JACK_LINEOUT,
2120				    CS43130_JACK_MASK);
2121	else
2122		snd_soc_jack_report(&cs43130->jack, CS43130_JACK_HEADPHONE,
2123				    CS43130_JACK_MASK);
2124
2125	dev_dbg(component->dev, "Set HP output control. DC threshold\n");
2126	for (i = 0; i < CS43130_DC_THRESHOLD; i++)
2127		dev_dbg(component->dev, "DC threshold[%d]: %u.\n", i,
2128			cs43130->dc_threshold[i]);
2129
2130	cs43130_set_hv(cs43130->regmap, cs43130->hpload_dc[HP_LEFT],
2131		       cs43130->dc_threshold);
2132
2133exit:
2134	switch (cs43130->dev_id) {
2135	case CS43130_CHIP_ID:
2136		cs43130_hpload_proc(cs43130, hp_dis_cal_seq,
2137				    ARRAY_SIZE(hp_dis_cal_seq),
2138				    CS43130_HPLOAD_OFF_INT, ac_idx);
2139		break;
2140	case CS43131_CHIP_ID:
2141		cs43130_hpload_proc(cs43130, hp_dis_cal_seq2,
2142				    ARRAY_SIZE(hp_dis_cal_seq2),
2143				    CS43130_HPLOAD_OFF_INT, ac_idx);
2144		break;
2145	}
2146
2147	regmap_multi_reg_write(cs43130->regmap, hp_cln_seq,
2148			       ARRAY_SIZE(hp_cln_seq));
2149
2150	mutex_lock(&cs43130->clk_mutex);
2151	cs43130->clk_req--;
2152	/* clk not in use */
2153	if (!cs43130->clk_req)
2154		cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
2155	mutex_unlock(&cs43130->clk_mutex);
2156}
2157
2158static irqreturn_t cs43130_irq_thread(int irq, void *data)
2159{
2160	struct cs43130_private *cs43130 = (struct cs43130_private *)data;
2161	struct snd_soc_component *component = cs43130->component;
2162	unsigned int stickies[CS43130_NUM_INT];
2163	unsigned int irq_occurrence = 0;
2164	unsigned int masks[CS43130_NUM_INT];
2165	int i, j;
2166
2167	for (i = 0; i < ARRAY_SIZE(stickies); i++) {
2168		regmap_read(cs43130->regmap, CS43130_INT_STATUS_1 + i,
2169			    &stickies[i]);
2170		regmap_read(cs43130->regmap, CS43130_INT_MASK_1 + i,
2171			    &masks[i]);
2172	}
2173
2174	for (i = 0; i < ARRAY_SIZE(stickies); i++) {
2175		stickies[i] = stickies[i] & (~masks[i]);
2176		for (j = 0; j < 8; j++)
2177			irq_occurrence += (stickies[i] >> j) & 1;
2178	}
2179	dev_dbg(component->dev, "number of interrupts occurred (%u)\n",
2180		irq_occurrence);
2181
2182	if (!irq_occurrence)
2183		return IRQ_NONE;
2184
2185	if (stickies[0] & CS43130_XTAL_RDY_INT) {
2186		complete(&cs43130->xtal_rdy);
2187		return IRQ_HANDLED;
2188	}
2189
2190	if (stickies[0] & CS43130_PLL_RDY_INT) {
2191		complete(&cs43130->pll_rdy);
2192		return IRQ_HANDLED;
2193	}
2194
2195	if (stickies[3] & CS43130_HPLOAD_NO_DC_INT) {
2196		cs43130->hpload_stat = stickies[3];
2197		dev_err(component->dev,
2198			"DC load has not completed before AC load (%x)\n",
2199			cs43130->hpload_stat);
2200		complete(&cs43130->hpload_evt);
2201		return IRQ_HANDLED;
2202	}
2203
2204	if (stickies[3] & CS43130_HPLOAD_UNPLUG_INT) {
2205		cs43130->hpload_stat = stickies[3];
2206		dev_err(component->dev, "HP unplugged during measurement (%x)\n",
2207			cs43130->hpload_stat);
2208		complete(&cs43130->hpload_evt);
2209		return IRQ_HANDLED;
2210	}
2211
2212	if (stickies[3] & CS43130_HPLOAD_OOR_INT) {
2213		cs43130->hpload_stat = stickies[3];
2214		dev_err(component->dev, "HP load out of range (%x)\n",
2215			cs43130->hpload_stat);
2216		complete(&cs43130->hpload_evt);
2217		return IRQ_HANDLED;
2218	}
2219
2220	if (stickies[3] & CS43130_HPLOAD_AC_INT) {
2221		cs43130->hpload_stat = stickies[3];
2222		dev_dbg(component->dev, "HP AC load measurement done (%x)\n",
2223			cs43130->hpload_stat);
2224		complete(&cs43130->hpload_evt);
2225		return IRQ_HANDLED;
2226	}
2227
2228	if (stickies[3] & CS43130_HPLOAD_DC_INT) {
2229		cs43130->hpload_stat = stickies[3];
2230		dev_dbg(component->dev, "HP DC load measurement done (%x)\n",
2231			cs43130->hpload_stat);
2232		complete(&cs43130->hpload_evt);
2233		return IRQ_HANDLED;
2234	}
2235
2236	if (stickies[3] & CS43130_HPLOAD_ON_INT) {
2237		cs43130->hpload_stat = stickies[3];
2238		dev_dbg(component->dev, "HP load state machine on done (%x)\n",
2239			cs43130->hpload_stat);
2240		complete(&cs43130->hpload_evt);
2241		return IRQ_HANDLED;
2242	}
2243
2244	if (stickies[3] & CS43130_HPLOAD_OFF_INT) {
2245		cs43130->hpload_stat = stickies[3];
2246		dev_dbg(component->dev, "HP load state machine off done (%x)\n",
2247			cs43130->hpload_stat);
2248		complete(&cs43130->hpload_evt);
2249		return IRQ_HANDLED;
2250	}
2251
2252	if (stickies[0] & CS43130_XTAL_ERR_INT) {
2253		dev_err(component->dev, "Crystal err: clock is not running\n");
2254		return IRQ_HANDLED;
2255	}
2256
2257	if (stickies[0] & CS43130_HP_UNPLUG_INT) {
2258		dev_dbg(component->dev, "HP unplugged\n");
2259		cs43130->hpload_done = false;
2260		snd_soc_jack_report(&cs43130->jack, 0, CS43130_JACK_MASK);
2261		return IRQ_HANDLED;
2262	}
2263
2264	if (stickies[0] & CS43130_HP_PLUG_INT) {
2265		if (cs43130->dc_meas && !cs43130->hpload_done &&
2266		    !work_busy(&cs43130->work)) {
2267			dev_dbg(component->dev, "HP load queue work\n");
2268			queue_work(cs43130->wq, &cs43130->work);
2269		}
2270
2271		snd_soc_jack_report(&cs43130->jack, SND_JACK_MECHANICAL,
2272				    CS43130_JACK_MASK);
2273		return IRQ_HANDLED;
2274	}
2275
2276	return IRQ_NONE;
2277}
2278
2279static int cs43130_probe(struct snd_soc_component *component)
2280{
2281	int ret;
2282	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
2283	struct snd_soc_card *card = component->card;
2284	unsigned int reg;
2285
2286	cs43130->component = component;
2287
2288	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) {
2289		regmap_update_bits(cs43130->regmap, CS43130_CRYSTAL_SET,
2290				   CS43130_XTAL_IBIAS_MASK,
2291				   cs43130->xtal_ibias);
2292		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2293				   CS43130_XTAL_ERR_INT, 0);
2294	}
2295
2296	ret = snd_soc_card_jack_new(card, "Headphone", CS43130_JACK_MASK,
2297				    &cs43130->jack, NULL, 0);
2298	if (ret < 0) {
2299		dev_err(component->dev, "Cannot create jack\n");
2300		return ret;
2301	}
2302
2303	cs43130->hpload_done = false;
2304	if (cs43130->dc_meas) {
2305		ret = device_create_file(component->dev, &dev_attr_hpload_dc_l);
2306		if (ret < 0)
2307			return ret;
2308
2309		ret = device_create_file(component->dev, &dev_attr_hpload_dc_r);
2310		if (ret < 0)
2311			return ret;
2312
2313		ret = device_create_file(component->dev, &dev_attr_hpload_ac_l);
2314		if (ret < 0)
2315			return ret;
2316
2317		ret = device_create_file(component->dev, &dev_attr_hpload_ac_r);
2318		if (ret < 0)
2319			return ret;
2320
2321		cs43130->wq = create_singlethread_workqueue("cs43130_hp");
2322		if (!cs43130->wq)
2323			return -ENOMEM;
2324		INIT_WORK(&cs43130->work, cs43130_imp_meas);
2325	}
2326
2327	regmap_read(cs43130->regmap, CS43130_INT_STATUS_1, &reg);
2328	regmap_read(cs43130->regmap, CS43130_HP_STATUS, &reg);
2329	regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2330			   CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT, 0);
2331	regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
2332			   CS43130_HP_DETECT_CTRL_MASK, 0);
2333	regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
2334			   CS43130_HP_DETECT_CTRL_MASK,
2335			   CS43130_HP_DETECT_CTRL_MASK);
2336
2337	return 0;
2338}
2339
2340static struct snd_soc_component_driver soc_component_dev_cs43130 = {
2341	.probe			= cs43130_probe,
2342	.controls		= cs43130_snd_controls,
2343	.num_controls		= ARRAY_SIZE(cs43130_snd_controls),
2344	.set_sysclk		= cs43130_component_set_sysclk,
2345	.set_pll		= cs43130_set_pll,
2346	.idle_bias_on		= 1,
2347	.use_pmdown_time	= 1,
2348	.endianness		= 1,
2349	.non_legacy_dai_naming	= 1,
2350};
2351
2352static const struct regmap_config cs43130_regmap = {
2353	.reg_bits		= 24,
2354	.pad_bits		= 8,
2355	.val_bits		= 8,
2356
2357	.max_register		= CS43130_LASTREG,
2358	.reg_defaults		= cs43130_reg_defaults,
2359	.num_reg_defaults	= ARRAY_SIZE(cs43130_reg_defaults),
2360	.readable_reg		= cs43130_readable_register,
2361	.precious_reg		= cs43130_precious_register,
2362	.volatile_reg		= cs43130_volatile_register,
2363	.cache_type		= REGCACHE_RBTREE,
2364	/* needed for regcache_sync */
2365	.use_single_read	= true,
2366	.use_single_write	= true,
2367};
2368
2369static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = {
2370	50,
2371	120,
2372};
2373
2374static int cs43130_handle_device_data(struct i2c_client *i2c_client,
2375				      struct cs43130_private *cs43130)
2376{
2377	struct device_node *np = i2c_client->dev.of_node;
2378	unsigned int val;
2379	int i;
2380
2381	if (of_property_read_u32(np, "cirrus,xtal-ibias", &val) < 0) {
2382		/* Crystal is unused. System clock is used for external MCLK */
2383		cs43130->xtal_ibias = CS43130_XTAL_UNUSED;
2384		return 0;
2385	}
2386
2387	switch (val) {
2388	case 1:
2389		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_7_5UA;
2390		break;
2391	case 2:
2392		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_12_5UA;
2393		break;
2394	case 3:
2395		cs43130->xtal_ibias = CS43130_XTAL_IBIAS_15UA;
2396		break;
2397	default:
2398		dev_err(&i2c_client->dev,
2399			"Invalid cirrus,xtal-ibias value: %d\n", val);
2400		return -EINVAL;
2401	}
2402
2403	cs43130->dc_meas = of_property_read_bool(np, "cirrus,dc-measure");
2404	cs43130->ac_meas = of_property_read_bool(np, "cirrus,ac-measure");
2405
2406	if (of_property_read_u16_array(np, "cirrus,ac-freq", cs43130->ac_freq,
2407					CS43130_AC_FREQ) < 0) {
2408		for (i = 0; i < CS43130_AC_FREQ; i++)
2409			cs43130->ac_freq[i] = cs43130_ac_freq[i];
2410	}
2411
2412	if (of_property_read_u16_array(np, "cirrus,dc-threshold",
2413				       cs43130->dc_threshold,
2414				       CS43130_DC_THRESHOLD) < 0) {
2415		for (i = 0; i < CS43130_DC_THRESHOLD; i++)
2416			cs43130->dc_threshold[i] = cs43130_dc_threshold[i];
2417	}
2418
2419	return 0;
2420}
2421
2422static int cs43130_i2c_probe(struct i2c_client *client,
2423			     const struct i2c_device_id *id)
2424{
2425	struct cs43130_private *cs43130;
2426	int ret;
2427	unsigned int devid = 0;
2428	unsigned int reg;
2429	int i;
2430
2431	cs43130 = devm_kzalloc(&client->dev, sizeof(*cs43130), GFP_KERNEL);
2432	if (!cs43130)
2433		return -ENOMEM;
2434
2435	i2c_set_clientdata(client, cs43130);
2436
2437	cs43130->regmap = devm_regmap_init_i2c(client, &cs43130_regmap);
2438	if (IS_ERR(cs43130->regmap)) {
2439		ret = PTR_ERR(cs43130->regmap);
2440		return ret;
2441	}
2442
2443	if (client->dev.of_node) {
2444		ret = cs43130_handle_device_data(client, cs43130);
2445		if (ret != 0)
2446			return ret;
2447	}
2448	for (i = 0; i < ARRAY_SIZE(cs43130->supplies); i++)
2449		cs43130->supplies[i].supply = cs43130_supply_names[i];
2450
2451	ret = devm_regulator_bulk_get(&client->dev,
2452				      ARRAY_SIZE(cs43130->supplies),
2453				      cs43130->supplies);
2454	if (ret != 0) {
2455		dev_err(&client->dev, "Failed to request supplies: %d\n", ret);
2456		return ret;
2457	}
2458	ret = regulator_bulk_enable(ARRAY_SIZE(cs43130->supplies),
2459				    cs43130->supplies);
2460	if (ret != 0) {
2461		dev_err(&client->dev, "Failed to enable supplies: %d\n", ret);
2462		return ret;
2463	}
2464
2465	cs43130->reset_gpio = devm_gpiod_get_optional(&client->dev,
2466						      "reset", GPIOD_OUT_LOW);
2467	if (IS_ERR(cs43130->reset_gpio))
2468		return PTR_ERR(cs43130->reset_gpio);
2469
2470	gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
2471
2472	usleep_range(2000, 2050);
2473
2474	ret = regmap_read(cs43130->regmap, CS43130_DEVID_AB, &reg);
2475
2476	devid = (reg & 0xFF) << 12;
2477	ret = regmap_read(cs43130->regmap, CS43130_DEVID_CD, &reg);
2478	devid |= (reg & 0xFF) << 4;
2479	ret = regmap_read(cs43130->regmap, CS43130_DEVID_E, &reg);
2480	devid |= (reg & 0xF0) >> 4;
2481
2482	switch (devid) {
2483	case CS43130_CHIP_ID:
2484	case CS4399_CHIP_ID:
2485	case CS43131_CHIP_ID:
2486	case CS43198_CHIP_ID:
2487		break;
2488	default:
2489		dev_err(&client->dev,
2490			"CS43130 Device ID %X. Expected ID %X, %X, %X or %X\n",
2491			devid, CS43130_CHIP_ID, CS4399_CHIP_ID,
2492			CS43131_CHIP_ID, CS43198_CHIP_ID);
2493		ret = -ENODEV;
2494		goto err;
2495	}
2496
2497	cs43130->dev_id = devid;
2498	ret = regmap_read(cs43130->regmap, CS43130_REV_ID, &reg);
2499	if (ret < 0) {
2500		dev_err(&client->dev, "Get Revision ID failed\n");
2501		goto err;
2502	}
2503
2504	dev_info(&client->dev,
2505		 "Cirrus Logic CS43130 (%x), Revision: %02X\n", devid,
2506		 reg & 0xFF);
2507
2508	mutex_init(&cs43130->clk_mutex);
2509
2510	init_completion(&cs43130->xtal_rdy);
2511	init_completion(&cs43130->pll_rdy);
2512	init_completion(&cs43130->hpload_evt);
2513
2514	ret = devm_request_threaded_irq(&client->dev, client->irq,
2515					NULL, cs43130_irq_thread,
2516					IRQF_ONESHOT | IRQF_TRIGGER_LOW,
2517					"cs43130", cs43130);
2518	if (ret != 0) {
2519		dev_err(&client->dev, "Failed to request IRQ: %d\n", ret);
2520		return ret;
2521	}
2522
2523	cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
2524
2525	pm_runtime_set_autosuspend_delay(&client->dev, 100);
2526	pm_runtime_use_autosuspend(&client->dev);
2527	pm_runtime_set_active(&client->dev);
2528	pm_runtime_enable(&client->dev);
2529
2530	switch (cs43130->dev_id) {
2531	case CS43130_CHIP_ID:
2532	case CS43131_CHIP_ID:
2533		memcpy(all_hp_widgets, digital_hp_widgets,
2534		       sizeof(digital_hp_widgets));
2535		memcpy(all_hp_widgets + ARRAY_SIZE(digital_hp_widgets),
2536		       analog_hp_widgets, sizeof(analog_hp_widgets));
2537		memcpy(all_hp_routes, digital_hp_routes,
2538		       sizeof(digital_hp_routes));
2539		memcpy(all_hp_routes + ARRAY_SIZE(digital_hp_routes),
2540		       analog_hp_routes, sizeof(analog_hp_routes));
2541
2542		soc_component_dev_cs43130.dapm_widgets =
2543			all_hp_widgets;
2544		soc_component_dev_cs43130.num_dapm_widgets =
2545			ARRAY_SIZE(all_hp_widgets);
2546		soc_component_dev_cs43130.dapm_routes =
2547			all_hp_routes;
2548		soc_component_dev_cs43130.num_dapm_routes =
2549			ARRAY_SIZE(all_hp_routes);
2550		break;
2551	case CS43198_CHIP_ID:
2552	case CS4399_CHIP_ID:
2553		soc_component_dev_cs43130.dapm_widgets =
2554			digital_hp_widgets;
2555		soc_component_dev_cs43130.num_dapm_widgets =
2556			ARRAY_SIZE(digital_hp_widgets);
2557		soc_component_dev_cs43130.dapm_routes =
2558			digital_hp_routes;
2559		soc_component_dev_cs43130.num_dapm_routes =
2560			ARRAY_SIZE(digital_hp_routes);
2561		break;
2562	}
2563
2564	ret = devm_snd_soc_register_component(&client->dev,
2565				     &soc_component_dev_cs43130,
2566				     cs43130_dai, ARRAY_SIZE(cs43130_dai));
2567	if (ret < 0) {
2568		dev_err(&client->dev,
2569			"snd_soc_register_component failed with ret = %d\n", ret);
2570		goto err;
2571	}
2572
2573	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
2574			   CS43130_ASP_3ST_MASK, 0);
2575	regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
2576			   CS43130_XSP_3ST_MASK, 0);
2577
2578	return 0;
2579err:
2580	return ret;
2581}
2582
2583static int cs43130_i2c_remove(struct i2c_client *client)
2584{
2585	struct cs43130_private *cs43130 = i2c_get_clientdata(client);
2586
2587	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
2588		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2589				   CS43130_XTAL_ERR_INT,
2590				   1 << CS43130_XTAL_ERR_INT_SHIFT);
2591
2592	regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2593			   CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT,
2594			   CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT);
2595
2596	if (cs43130->dc_meas) {
2597		cancel_work_sync(&cs43130->work);
2598		flush_workqueue(cs43130->wq);
2599
2600		device_remove_file(&client->dev, &dev_attr_hpload_dc_l);
2601		device_remove_file(&client->dev, &dev_attr_hpload_dc_r);
2602		device_remove_file(&client->dev, &dev_attr_hpload_ac_l);
2603		device_remove_file(&client->dev, &dev_attr_hpload_ac_r);
2604	}
2605
2606	gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
2607
2608	pm_runtime_disable(&client->dev);
2609	regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2610
2611	return 0;
2612}
2613
2614static int __maybe_unused cs43130_runtime_suspend(struct device *dev)
2615{
2616	struct cs43130_private *cs43130 = dev_get_drvdata(dev);
2617
2618	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
2619		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2620				   CS43130_XTAL_ERR_INT,
2621				   1 << CS43130_XTAL_ERR_INT_SHIFT);
2622
2623	regcache_cache_only(cs43130->regmap, true);
2624	regcache_mark_dirty(cs43130->regmap);
2625
2626	gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
2627
2628	regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2629
2630	return 0;
2631}
2632
2633static int __maybe_unused cs43130_runtime_resume(struct device *dev)
2634{
2635	struct cs43130_private *cs43130 = dev_get_drvdata(dev);
2636	int ret;
2637
2638	ret = regulator_bulk_enable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2639	if (ret != 0) {
2640		dev_err(dev, "Failed to enable supplies: %d\n", ret);
2641		return ret;
2642	}
2643
2644	regcache_cache_only(cs43130->regmap, false);
2645
2646	gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
2647
2648	usleep_range(2000, 2050);
2649
2650	ret = regcache_sync(cs43130->regmap);
2651	if (ret != 0) {
2652		dev_err(dev, "Failed to restore register cache\n");
2653		goto err;
2654	}
2655
2656	if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
2657		regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
2658				   CS43130_XTAL_ERR_INT, 0);
2659
2660	return 0;
2661err:
2662	regcache_cache_only(cs43130->regmap, true);
2663	regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
2664
2665	return ret;
2666}
2667
2668static const struct dev_pm_ops cs43130_runtime_pm = {
2669	SET_RUNTIME_PM_OPS(cs43130_runtime_suspend, cs43130_runtime_resume,
2670			   NULL)
2671};
2672
2673static const struct of_device_id cs43130_of_match[] = {
2674	{.compatible = "cirrus,cs43130",},
2675	{.compatible = "cirrus,cs4399",},
2676	{.compatible = "cirrus,cs43131",},
2677	{.compatible = "cirrus,cs43198",},
2678	{},
2679};
2680
2681MODULE_DEVICE_TABLE(of, cs43130_of_match);
2682
2683static const struct i2c_device_id cs43130_i2c_id[] = {
2684	{"cs43130", 0},
2685	{"cs4399", 0},
2686	{"cs43131", 0},
2687	{"cs43198", 0},
2688	{}
2689};
2690
2691MODULE_DEVICE_TABLE(i2c, cs43130_i2c_id);
2692
2693static struct i2c_driver cs43130_i2c_driver = {
2694	.driver = {
2695		.name		= "cs43130",
2696		.of_match_table	= cs43130_of_match,
2697		.pm             = &cs43130_runtime_pm,
2698	},
2699	.id_table	= cs43130_i2c_id,
2700	.probe		= cs43130_i2c_probe,
2701	.remove		= cs43130_i2c_remove,
2702};
2703
2704module_i2c_driver(cs43130_i2c_driver);
2705
2706MODULE_AUTHOR("Li Xu <li.xu@cirrus.com>");
2707MODULE_DESCRIPTION("Cirrus Logic CS43130 ALSA SoC Codec Driver");
2708MODULE_LICENSE("GPL");