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Elixir Cross Referencer

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// SPDX-License-Identifier: GPL-2.0-only
/*
 * arizona.c - Wolfson Arizona class device shared support
 *
 * Copyright 2012 Wolfson Microelectronics plc
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 */

#include <linux/delay.h>
#include <linux/gcd.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/pm_runtime.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>

#include <linux/mfd/arizona/core.h>
#include <linux/mfd/arizona/registers.h>

#include "arizona.h"

#define ARIZONA_AIF_BCLK_CTRL                   0x00
#define ARIZONA_AIF_TX_PIN_CTRL                 0x01
#define ARIZONA_AIF_RX_PIN_CTRL                 0x02
#define ARIZONA_AIF_RATE_CTRL                   0x03
#define ARIZONA_AIF_FORMAT                      0x04
#define ARIZONA_AIF_TX_BCLK_RATE                0x05
#define ARIZONA_AIF_RX_BCLK_RATE                0x06
#define ARIZONA_AIF_FRAME_CTRL_1                0x07
#define ARIZONA_AIF_FRAME_CTRL_2                0x08
#define ARIZONA_AIF_FRAME_CTRL_3                0x09
#define ARIZONA_AIF_FRAME_CTRL_4                0x0A
#define ARIZONA_AIF_FRAME_CTRL_5                0x0B
#define ARIZONA_AIF_FRAME_CTRL_6                0x0C
#define ARIZONA_AIF_FRAME_CTRL_7                0x0D
#define ARIZONA_AIF_FRAME_CTRL_8                0x0E
#define ARIZONA_AIF_FRAME_CTRL_9                0x0F
#define ARIZONA_AIF_FRAME_CTRL_10               0x10
#define ARIZONA_AIF_FRAME_CTRL_11               0x11
#define ARIZONA_AIF_FRAME_CTRL_12               0x12
#define ARIZONA_AIF_FRAME_CTRL_13               0x13
#define ARIZONA_AIF_FRAME_CTRL_14               0x14
#define ARIZONA_AIF_FRAME_CTRL_15               0x15
#define ARIZONA_AIF_FRAME_CTRL_16               0x16
#define ARIZONA_AIF_FRAME_CTRL_17               0x17
#define ARIZONA_AIF_FRAME_CTRL_18               0x18
#define ARIZONA_AIF_TX_ENABLES                  0x19
#define ARIZONA_AIF_RX_ENABLES                  0x1A
#define ARIZONA_AIF_FORCE_WRITE                 0x1B

#define ARIZONA_FLL_VCO_CORNER 141900000
#define ARIZONA_FLL_MAX_FREF   13500000
#define ARIZONA_FLL_MIN_FVCO   90000000
#define ARIZONA_FLL_MAX_FRATIO 16
#define ARIZONA_FLL_MAX_REFDIV 8
#define ARIZONA_FLL_MIN_OUTDIV 2
#define ARIZONA_FLL_MAX_OUTDIV 7

#define ARIZONA_FMT_DSP_MODE_A          0
#define ARIZONA_FMT_DSP_MODE_B          1
#define ARIZONA_FMT_I2S_MODE            2
#define ARIZONA_FMT_LEFT_JUSTIFIED_MODE 3

#define arizona_fll_err(_fll, fmt, ...) \
	dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define arizona_fll_warn(_fll, fmt, ...) \
	dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define arizona_fll_dbg(_fll, fmt, ...) \
	dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)

#define arizona_aif_err(_dai, fmt, ...) \
	dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
#define arizona_aif_warn(_dai, fmt, ...) \
	dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
#define arizona_aif_dbg(_dai, fmt, ...) \
	dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)

static int arizona_spk_ev(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *kcontrol,
			  int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona *arizona = dev_get_drvdata(component->dev->parent);
	int val;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		val = snd_soc_component_read(component,
					       ARIZONA_INTERRUPT_RAW_STATUS_3);
		if (val & ARIZONA_SPK_OVERHEAT_STS) {
			dev_crit(arizona->dev,
				 "Speaker not enabled due to temperature\n");
			return -EBUSY;
		}

		regmap_update_bits_async(arizona->regmap,
					 ARIZONA_OUTPUT_ENABLES_1,
					 1 << w->shift, 1 << w->shift);
		break;
	case SND_SOC_DAPM_PRE_PMD:
		regmap_update_bits_async(arizona->regmap,
					 ARIZONA_OUTPUT_ENABLES_1,
					 1 << w->shift, 0);
		break;
	default:
		break;
	}

	return arizona_out_ev(w, kcontrol, event);
}

static irqreturn_t arizona_thermal_warn(int irq, void *data)
{
	struct arizona *arizona = data;
	unsigned int val;
	int ret;

	ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
			  &val);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to read thermal status: %d\n",
			ret);
	} else if (val & ARIZONA_SPK_OVERHEAT_WARN_STS) {
		dev_crit(arizona->dev, "Thermal warning\n");
	}

	return IRQ_HANDLED;
}

static irqreturn_t arizona_thermal_shutdown(int irq, void *data)
{
	struct arizona *arizona = data;
	unsigned int val;
	int ret;

	ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
			  &val);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to read thermal status: %d\n",
			ret);
	} else if (val & ARIZONA_SPK_OVERHEAT_STS) {
		dev_crit(arizona->dev, "Thermal shutdown\n");
		ret = regmap_update_bits(arizona->regmap,
					 ARIZONA_OUTPUT_ENABLES_1,
					 ARIZONA_OUT4L_ENA |
					 ARIZONA_OUT4R_ENA, 0);
		if (ret != 0)
			dev_crit(arizona->dev,
				 "Failed to disable speaker outputs: %d\n",
				 ret);
	}

	return IRQ_HANDLED;
}

static const struct snd_soc_dapm_widget arizona_spkl =
	SND_SOC_DAPM_PGA_E("OUT4L", SND_SOC_NOPM,
			   ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD);

static const struct snd_soc_dapm_widget arizona_spkr =
	SND_SOC_DAPM_PGA_E("OUT4R", SND_SOC_NOPM,
			   ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD);

int arizona_init_spk(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, &arizona_spkl, 1);
	if (ret != 0)
		return ret;

	switch (arizona->type) {
	case WM8997:
	case CS47L24:
	case WM1831:
		break;
	default:
		ret = snd_soc_dapm_new_controls(dapm, &arizona_spkr, 1);
		if (ret != 0)
			return ret;
		break;
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_spk);

int arizona_init_spk_irqs(struct arizona *arizona)
{
	int ret;

	ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN,
				  "Thermal warning", arizona_thermal_warn,
				  arizona);
	if (ret != 0)
		dev_err(arizona->dev,
			"Failed to get thermal warning IRQ: %d\n",
			ret);

	ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT,
				  "Thermal shutdown", arizona_thermal_shutdown,
				  arizona);
	if (ret != 0)
		dev_err(arizona->dev,
			"Failed to get thermal shutdown IRQ: %d\n",
			ret);

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_spk_irqs);

int arizona_free_spk_irqs(struct arizona *arizona)
{
	arizona_free_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN, arizona);
	arizona_free_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT, arizona);

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_free_spk_irqs);

static const struct snd_soc_dapm_route arizona_mono_routes[] = {
	{ "OUT1R", NULL, "OUT1L" },
	{ "OUT2R", NULL, "OUT2L" },
	{ "OUT3R", NULL, "OUT3L" },
	{ "OUT4R", NULL, "OUT4L" },
	{ "OUT5R", NULL, "OUT5L" },
	{ "OUT6R", NULL, "OUT6L" },
};

int arizona_init_mono(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int i;

	for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) {
		if (arizona->pdata.out_mono[i])
			snd_soc_dapm_add_routes(dapm,
						&arizona_mono_routes[i], 1);
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_mono);

int arizona_init_gpio(struct snd_soc_component *component)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int i;

	switch (arizona->type) {
	case WM5110:
	case WM8280:
		snd_soc_component_disable_pin(component,
					      "DRC2 Signal Activity");
		break;
	default:
		break;
	}

	snd_soc_component_disable_pin(component, "DRC1 Signal Activity");

	for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
		switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
		case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
			snd_soc_component_enable_pin(component,
						     "DRC1 Signal Activity");
			break;
		case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
			snd_soc_component_enable_pin(component,
						     "DRC2 Signal Activity");
			break;
		default:
			break;
		}
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_gpio);

int arizona_init_common(struct arizona *arizona)
{
	struct arizona_pdata *pdata = &arizona->pdata;
	unsigned int val, mask;
	int i;

	BLOCKING_INIT_NOTIFIER_HEAD(&arizona->notifier);

	for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) {
		/* Default is 0 so noop with defaults */
		if (pdata->out_mono[i])
			val = ARIZONA_OUT1_MONO;
		else
			val = 0;

		regmap_update_bits(arizona->regmap,
				   ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
				   ARIZONA_OUT1_MONO, val);
	}

	for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
		if (pdata->spk_mute[i])
			regmap_update_bits(arizona->regmap,
					   ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
					   ARIZONA_SPK1_MUTE_ENDIAN_MASK |
					   ARIZONA_SPK1_MUTE_SEQ1_MASK,
					   pdata->spk_mute[i]);

		if (pdata->spk_fmt[i])
			regmap_update_bits(arizona->regmap,
					   ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
					   ARIZONA_SPK1_FMT_MASK,
					   pdata->spk_fmt[i]);
	}

	for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
		/* Default for both is 0 so noop with defaults */
		val = pdata->dmic_ref[i] << ARIZONA_IN1_DMIC_SUP_SHIFT;
		if (pdata->inmode[i] & ARIZONA_INMODE_DMIC)
			val |= 1 << ARIZONA_IN1_MODE_SHIFT;

		switch (arizona->type) {
		case WM8998:
		case WM1814:
			regmap_update_bits(arizona->regmap,
				ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
				ARIZONA_IN1L_SRC_SE_MASK,
				(pdata->inmode[i] & ARIZONA_INMODE_SE)
					<< ARIZONA_IN1L_SRC_SE_SHIFT);

			regmap_update_bits(arizona->regmap,
				ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
				ARIZONA_IN1R_SRC_SE_MASK,
				(pdata->inmode[i] & ARIZONA_INMODE_SE)
					<< ARIZONA_IN1R_SRC_SE_SHIFT);

			mask = ARIZONA_IN1_DMIC_SUP_MASK |
			       ARIZONA_IN1_MODE_MASK;
			break;
		default:
			if (pdata->inmode[i] & ARIZONA_INMODE_SE)
				val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;

			mask = ARIZONA_IN1_DMIC_SUP_MASK |
			       ARIZONA_IN1_MODE_MASK |
			       ARIZONA_IN1_SINGLE_ENDED_MASK;
			break;
		}

		regmap_update_bits(arizona->regmap,
				   ARIZONA_IN1L_CONTROL + (i * 8),
				   mask, val);
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_common);

int arizona_init_vol_limit(struct arizona *arizona)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(arizona->pdata.out_vol_limit); ++i) {
		if (arizona->pdata.out_vol_limit[i])
			regmap_update_bits(arizona->regmap,
					   ARIZONA_DAC_VOLUME_LIMIT_1L + i * 4,
					   ARIZONA_OUT1L_VOL_LIM_MASK,
					   arizona->pdata.out_vol_limit[i]);
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_vol_limit);

const char * const arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
	"None",
	"Tone Generator 1",
	"Tone Generator 2",
	"Haptics",
	"AEC",
	"AEC2",
	"Mic Mute Mixer",
	"Noise Generator",
	"IN1L",
	"IN1R",
	"IN2L",
	"IN2R",
	"IN3L",
	"IN3R",
	"IN4L",
	"IN4R",
	"AIF1RX1",
	"AIF1RX2",
	"AIF1RX3",
	"AIF1RX4",
	"AIF1RX5",
	"AIF1RX6",
	"AIF1RX7",
	"AIF1RX8",
	"AIF2RX1",
	"AIF2RX2",
	"AIF2RX3",
	"AIF2RX4",
	"AIF2RX5",
	"AIF2RX6",
	"AIF3RX1",
	"AIF3RX2",
	"SLIMRX1",
	"SLIMRX2",
	"SLIMRX3",
	"SLIMRX4",
	"SLIMRX5",
	"SLIMRX6",
	"SLIMRX7",
	"SLIMRX8",
	"EQ1",
	"EQ2",
	"EQ3",
	"EQ4",
	"DRC1L",
	"DRC1R",
	"DRC2L",
	"DRC2R",
	"LHPF1",
	"LHPF2",
	"LHPF3",
	"LHPF4",
	"DSP1.1",
	"DSP1.2",
	"DSP1.3",
	"DSP1.4",
	"DSP1.5",
	"DSP1.6",
	"DSP2.1",
	"DSP2.2",
	"DSP2.3",
	"DSP2.4",
	"DSP2.5",
	"DSP2.6",
	"DSP3.1",
	"DSP3.2",
	"DSP3.3",
	"DSP3.4",
	"DSP3.5",
	"DSP3.6",
	"DSP4.1",
	"DSP4.2",
	"DSP4.3",
	"DSP4.4",
	"DSP4.5",
	"DSP4.6",
	"ASRC1L",
	"ASRC1R",
	"ASRC2L",
	"ASRC2R",
	"ISRC1INT1",
	"ISRC1INT2",
	"ISRC1INT3",
	"ISRC1INT4",
	"ISRC1DEC1",
	"ISRC1DEC2",
	"ISRC1DEC3",
	"ISRC1DEC4",
	"ISRC2INT1",
	"ISRC2INT2",
	"ISRC2INT3",
	"ISRC2INT4",
	"ISRC2DEC1",
	"ISRC2DEC2",
	"ISRC2DEC3",
	"ISRC2DEC4",
	"ISRC3INT1",
	"ISRC3INT2",
	"ISRC3INT3",
	"ISRC3INT4",
	"ISRC3DEC1",
	"ISRC3DEC2",
	"ISRC3DEC3",
	"ISRC3DEC4",
};
EXPORT_SYMBOL_GPL(arizona_mixer_texts);

unsigned int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = {
	0x00,  /* None */
	0x04,  /* Tone */
	0x05,
	0x06,  /* Haptics */
	0x08,  /* AEC */
	0x09,  /* AEC2 */
	0x0c,  /* Noise mixer */
	0x0d,  /* Comfort noise */
	0x10,  /* IN1L */
	0x11,
	0x12,
	0x13,
	0x14,
	0x15,
	0x16,
	0x17,
	0x20,  /* AIF1RX1 */
	0x21,
	0x22,
	0x23,
	0x24,
	0x25,
	0x26,
	0x27,
	0x28,  /* AIF2RX1 */
	0x29,
	0x2a,
	0x2b,
	0x2c,
	0x2d,
	0x30,  /* AIF3RX1 */
	0x31,
	0x38,  /* SLIMRX1 */
	0x39,
	0x3a,
	0x3b,
	0x3c,
	0x3d,
	0x3e,
	0x3f,
	0x50,  /* EQ1 */
	0x51,
	0x52,
	0x53,
	0x58,  /* DRC1L */
	0x59,
	0x5a,
	0x5b,
	0x60,  /* LHPF1 */
	0x61,
	0x62,
	0x63,
	0x68,  /* DSP1.1 */
	0x69,
	0x6a,
	0x6b,
	0x6c,
	0x6d,
	0x70,  /* DSP2.1 */
	0x71,
	0x72,
	0x73,
	0x74,
	0x75,
	0x78,  /* DSP3.1 */
	0x79,
	0x7a,
	0x7b,
	0x7c,
	0x7d,
	0x80,  /* DSP4.1 */
	0x81,
	0x82,
	0x83,
	0x84,
	0x85,
	0x90,  /* ASRC1L */
	0x91,
	0x92,
	0x93,
	0xa0,  /* ISRC1INT1 */
	0xa1,
	0xa2,
	0xa3,
	0xa4,  /* ISRC1DEC1 */
	0xa5,
	0xa6,
	0xa7,
	0xa8,  /* ISRC2DEC1 */
	0xa9,
	0xaa,
	0xab,
	0xac,  /* ISRC2INT1 */
	0xad,
	0xae,
	0xaf,
	0xb0,  /* ISRC3DEC1 */
	0xb1,
	0xb2,
	0xb3,
	0xb4,  /* ISRC3INT1 */
	0xb5,
	0xb6,
	0xb7,
};
EXPORT_SYMBOL_GPL(arizona_mixer_values);

const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0);
EXPORT_SYMBOL_GPL(arizona_mixer_tlv);

const char * const arizona_sample_rate_text[ARIZONA_SAMPLE_RATE_ENUM_SIZE] = {
	"12kHz", "24kHz", "48kHz", "96kHz", "192kHz",
	"11.025kHz", "22.05kHz", "44.1kHz", "88.2kHz", "176.4kHz",
	"4kHz", "8kHz", "16kHz", "32kHz",
};
EXPORT_SYMBOL_GPL(arizona_sample_rate_text);

const unsigned int arizona_sample_rate_val[ARIZONA_SAMPLE_RATE_ENUM_SIZE] = {
	0x01, 0x02, 0x03, 0x04, 0x05, 0x09, 0x0A, 0x0B, 0x0C, 0x0D,
	0x10, 0x11, 0x12, 0x13,
};
EXPORT_SYMBOL_GPL(arizona_sample_rate_val);

const char *arizona_sample_rate_val_to_name(unsigned int rate_val)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(arizona_sample_rate_val); ++i) {
		if (arizona_sample_rate_val[i] == rate_val)
			return arizona_sample_rate_text[i];
	}

	return "Illegal";
}
EXPORT_SYMBOL_GPL(arizona_sample_rate_val_to_name);

const char * const arizona_rate_text[ARIZONA_RATE_ENUM_SIZE] = {
	"SYNCCLK rate", "8kHz", "16kHz", "ASYNCCLK rate",
};
EXPORT_SYMBOL_GPL(arizona_rate_text);

const unsigned int arizona_rate_val[ARIZONA_RATE_ENUM_SIZE] = {
	0, 1, 2, 8,
};
EXPORT_SYMBOL_GPL(arizona_rate_val);

const struct soc_enum arizona_isrc_fsh[] = {
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_1,
			      ARIZONA_ISRC1_FSH_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_1,
			      ARIZONA_ISRC2_FSH_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_1,
			      ARIZONA_ISRC3_FSH_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
};
EXPORT_SYMBOL_GPL(arizona_isrc_fsh);

const struct soc_enum arizona_isrc_fsl[] = {
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_2,
			      ARIZONA_ISRC1_FSL_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_2,
			      ARIZONA_ISRC2_FSL_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_2,
			      ARIZONA_ISRC3_FSL_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
};
EXPORT_SYMBOL_GPL(arizona_isrc_fsl);

const struct soc_enum arizona_asrc_rate1 =
	SOC_VALUE_ENUM_SINGLE(ARIZONA_ASRC_RATE1,
			      ARIZONA_ASRC_RATE1_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE - 1,
			      arizona_rate_text, arizona_rate_val);
EXPORT_SYMBOL_GPL(arizona_asrc_rate1);

static const char * const arizona_vol_ramp_text[] = {
	"0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB",
	"15ms/6dB", "30ms/6dB",
};

SOC_ENUM_SINGLE_DECL(arizona_in_vd_ramp,
		     ARIZONA_INPUT_VOLUME_RAMP,
		     ARIZONA_IN_VD_RAMP_SHIFT,
		     arizona_vol_ramp_text);
EXPORT_SYMBOL_GPL(arizona_in_vd_ramp);

SOC_ENUM_SINGLE_DECL(arizona_in_vi_ramp,
		     ARIZONA_INPUT_VOLUME_RAMP,
		     ARIZONA_IN_VI_RAMP_SHIFT,
		     arizona_vol_ramp_text);
EXPORT_SYMBOL_GPL(arizona_in_vi_ramp);

SOC_ENUM_SINGLE_DECL(arizona_out_vd_ramp,
		     ARIZONA_OUTPUT_VOLUME_RAMP,
		     ARIZONA_OUT_VD_RAMP_SHIFT,
		     arizona_vol_ramp_text);
EXPORT_SYMBOL_GPL(arizona_out_vd_ramp);

SOC_ENUM_SINGLE_DECL(arizona_out_vi_ramp,
		     ARIZONA_OUTPUT_VOLUME_RAMP,
		     ARIZONA_OUT_VI_RAMP_SHIFT,
		     arizona_vol_ramp_text);
EXPORT_SYMBOL_GPL(arizona_out_vi_ramp);

static const char * const arizona_lhpf_mode_text[] = {
	"Low-pass", "High-pass"
};

SOC_ENUM_SINGLE_DECL(arizona_lhpf1_mode,
		     ARIZONA_HPLPF1_1,
		     ARIZONA_LHPF1_MODE_SHIFT,
		     arizona_lhpf_mode_text);
EXPORT_SYMBOL_GPL(arizona_lhpf1_mode);

SOC_ENUM_SINGLE_DECL(arizona_lhpf2_mode,
		     ARIZONA_HPLPF2_1,
		     ARIZONA_LHPF2_MODE_SHIFT,
		     arizona_lhpf_mode_text);
EXPORT_SYMBOL_GPL(arizona_lhpf2_mode);

SOC_ENUM_SINGLE_DECL(arizona_lhpf3_mode,
		     ARIZONA_HPLPF3_1,
		     ARIZONA_LHPF3_MODE_SHIFT,
		     arizona_lhpf_mode_text);
EXPORT_SYMBOL_GPL(arizona_lhpf3_mode);

SOC_ENUM_SINGLE_DECL(arizona_lhpf4_mode,
		     ARIZONA_HPLPF4_1,
		     ARIZONA_LHPF4_MODE_SHIFT,
		     arizona_lhpf_mode_text);
EXPORT_SYMBOL_GPL(arizona_lhpf4_mode);

static const char * const arizona_ng_hold_text[] = {
	"30ms", "120ms", "250ms", "500ms",
};

SOC_ENUM_SINGLE_DECL(arizona_ng_hold,
		     ARIZONA_NOISE_GATE_CONTROL,
		     ARIZONA_NGATE_HOLD_SHIFT,
		     arizona_ng_hold_text);
EXPORT_SYMBOL_GPL(arizona_ng_hold);

static const char * const arizona_in_hpf_cut_text[] = {
	"2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz"
};

SOC_ENUM_SINGLE_DECL(arizona_in_hpf_cut_enum,
		     ARIZONA_HPF_CONTROL,
		     ARIZONA_IN_HPF_CUT_SHIFT,
		     arizona_in_hpf_cut_text);
EXPORT_SYMBOL_GPL(arizona_in_hpf_cut_enum);

static const char * const arizona_in_dmic_osr_text[] = {
	"1.536MHz", "3.072MHz", "6.144MHz", "768kHz",
};

const struct soc_enum arizona_in_dmic_osr[] = {
	SOC_ENUM_SINGLE(ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT,
			ARRAY_SIZE(arizona_in_dmic_osr_text),
			arizona_in_dmic_osr_text),
	SOC_ENUM_SINGLE(ARIZONA_IN2L_CONTROL, ARIZONA_IN2_OSR_SHIFT,
			ARRAY_SIZE(arizona_in_dmic_osr_text),
			arizona_in_dmic_osr_text),
	SOC_ENUM_SINGLE(ARIZONA_IN3L_CONTROL, ARIZONA_IN3_OSR_SHIFT,
			ARRAY_SIZE(arizona_in_dmic_osr_text),
			arizona_in_dmic_osr_text),
	SOC_ENUM_SINGLE(ARIZONA_IN4L_CONTROL, ARIZONA_IN4_OSR_SHIFT,
			ARRAY_SIZE(arizona_in_dmic_osr_text),
			arizona_in_dmic_osr_text),
};
EXPORT_SYMBOL_GPL(arizona_in_dmic_osr);

static const char * const arizona_anc_input_src_text[] = {
	"None", "IN1", "IN2", "IN3", "IN4",
};

static const char * const arizona_anc_channel_src_text[] = {
	"None", "Left", "Right", "Combine",
};

const struct soc_enum arizona_anc_input_src[] = {
	SOC_ENUM_SINGLE(ARIZONA_ANC_SRC,
			ARIZONA_IN_RXANCL_SEL_SHIFT,
			ARRAY_SIZE(arizona_anc_input_src_text),
			arizona_anc_input_src_text),
	SOC_ENUM_SINGLE(ARIZONA_FCL_ADC_REFORMATTER_CONTROL,
			ARIZONA_FCL_MIC_MODE_SEL_SHIFT,
			ARRAY_SIZE(arizona_anc_channel_src_text),
			arizona_anc_channel_src_text),
	SOC_ENUM_SINGLE(ARIZONA_ANC_SRC,
			ARIZONA_IN_RXANCR_SEL_SHIFT,
			ARRAY_SIZE(arizona_anc_input_src_text),
			arizona_anc_input_src_text),
	SOC_ENUM_SINGLE(ARIZONA_FCR_ADC_REFORMATTER_CONTROL,
			ARIZONA_FCR_MIC_MODE_SEL_SHIFT,
			ARRAY_SIZE(arizona_anc_channel_src_text),
			arizona_anc_channel_src_text),
};
EXPORT_SYMBOL_GPL(arizona_anc_input_src);

static const char * const arizona_anc_ng_texts[] = {
	"None",
	"Internal",
	"External",
};

SOC_ENUM_SINGLE_DECL(arizona_anc_ng_enum, SND_SOC_NOPM, 0,
		     arizona_anc_ng_texts);
EXPORT_SYMBOL_GPL(arizona_anc_ng_enum);

static const char * const arizona_output_anc_src_text[] = {
	"None", "RXANCL", "RXANCR",
};

const struct soc_enum arizona_output_anc_src[] = {
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_1L,
			ARIZONA_OUT1L_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_1R,
			ARIZONA_OUT1R_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_2L,
			ARIZONA_OUT2L_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_2R,
			ARIZONA_OUT2R_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_3L,
			ARIZONA_OUT3L_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_DAC_VOLUME_LIMIT_3R,
			ARIZONA_OUT3R_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_4L,
			ARIZONA_OUT4L_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_4R,
			ARIZONA_OUT4R_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_5L,
			ARIZONA_OUT5L_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_5R,
			ARIZONA_OUT5R_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_6L,
			ARIZONA_OUT6L_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
	SOC_ENUM_SINGLE(ARIZONA_OUTPUT_PATH_CONFIG_6R,
			ARIZONA_OUT6R_ANC_SRC_SHIFT,
			ARRAY_SIZE(arizona_output_anc_src_text),
			arizona_output_anc_src_text),
};
EXPORT_SYMBOL_GPL(arizona_output_anc_src);

const struct snd_kcontrol_new arizona_voice_trigger_switch[] = {
	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0),
	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 1, 1, 0),
	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 2, 1, 0),
	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 3, 1, 0),
};
EXPORT_SYMBOL_GPL(arizona_voice_trigger_switch);

static void arizona_in_set_vu(struct snd_soc_component *component, int ena)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	unsigned int val;
	int i;

	if (ena)
		val = ARIZONA_IN_VU;
	else
		val = 0;

	for (i = 0; i < priv->num_inputs; i++)
		snd_soc_component_update_bits(component,
				    ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 4),
				    ARIZONA_IN_VU, val);
}

bool arizona_input_analog(struct snd_soc_component *component, int shift)
{
	unsigned int reg = ARIZONA_IN1L_CONTROL + ((shift / 2) * 8);
	unsigned int val = snd_soc_component_read(component, reg);

	return !(val & ARIZONA_IN1_MODE_MASK);
}
EXPORT_SYMBOL_GPL(arizona_input_analog);

int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
		  int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	unsigned int reg;

	if (w->shift % 2)
		reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8);
	else
		reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8);

	switch (event) {
	case SND_SOC_DAPM_PRE_PMU:
		priv->in_pending++;
		break;
	case SND_SOC_DAPM_POST_PMU:
		snd_soc_component_update_bits(component, reg,
					      ARIZONA_IN1L_MUTE, 0);

		/* If this is the last input pending then allow VU */
		priv->in_pending--;
		if (priv->in_pending == 0) {
			msleep(1);
			arizona_in_set_vu(component, 1);
		}
		break;
	case SND_SOC_DAPM_PRE_PMD:
		snd_soc_component_update_bits(component, reg,
				    ARIZONA_IN1L_MUTE | ARIZONA_IN_VU,
				    ARIZONA_IN1L_MUTE | ARIZONA_IN_VU);
		break;
	case SND_SOC_DAPM_POST_PMD:
		/* Disable volume updates if no inputs are enabled */
		reg = snd_soc_component_read(component, ARIZONA_INPUT_ENABLES);
		if (reg == 0)
			arizona_in_set_vu(component, 0);
		break;
	default:
		break;
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_in_ev);

int arizona_out_ev(struct snd_soc_dapm_widget *w,
		   struct snd_kcontrol *kcontrol,
		   int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;

	switch (event) {
	case SND_SOC_DAPM_PRE_PMU:
		switch (w->shift) {
		case ARIZONA_OUT1L_ENA_SHIFT:
		case ARIZONA_OUT1R_ENA_SHIFT:
		case ARIZONA_OUT2L_ENA_SHIFT:
		case ARIZONA_OUT2R_ENA_SHIFT:
		case ARIZONA_OUT3L_ENA_SHIFT:
		case ARIZONA_OUT3R_ENA_SHIFT:
			priv->out_up_pending++;
			priv->out_up_delay += 17;
			break;
		case ARIZONA_OUT4L_ENA_SHIFT:
		case ARIZONA_OUT4R_ENA_SHIFT:
			priv->out_up_pending++;
			switch (arizona->type) {
			case WM5102:
			case WM8997:
				break;
			default:
				priv->out_up_delay += 10;
				break;
			}
			break;
		default:
			break;
		}
		break;
	case SND_SOC_DAPM_POST_PMU:
		switch (w->shift) {
		case ARIZONA_OUT1L_ENA_SHIFT:
		case ARIZONA_OUT1R_ENA_SHIFT:
		case ARIZONA_OUT2L_ENA_SHIFT:
		case ARIZONA_OUT2R_ENA_SHIFT:
		case ARIZONA_OUT3L_ENA_SHIFT:
		case ARIZONA_OUT3R_ENA_SHIFT:
		case ARIZONA_OUT4L_ENA_SHIFT:
		case ARIZONA_OUT4R_ENA_SHIFT:
			priv->out_up_pending--;
			if (!priv->out_up_pending && priv->out_up_delay) {
				dev_dbg(component->dev, "Power up delay: %d\n",
					priv->out_up_delay);
				msleep(priv->out_up_delay);
				priv->out_up_delay = 0;
			}
			break;

		default:
			break;
		}
		break;
	case SND_SOC_DAPM_PRE_PMD:
		switch (w->shift) {
		case ARIZONA_OUT1L_ENA_SHIFT:
		case ARIZONA_OUT1R_ENA_SHIFT:
		case ARIZONA_OUT2L_ENA_SHIFT:
		case ARIZONA_OUT2R_ENA_SHIFT:
		case ARIZONA_OUT3L_ENA_SHIFT:
		case ARIZONA_OUT3R_ENA_SHIFT:
			priv->out_down_pending++;
			priv->out_down_delay++;
			break;
		case ARIZONA_OUT4L_ENA_SHIFT:
		case ARIZONA_OUT4R_ENA_SHIFT:
			priv->out_down_pending++;
			switch (arizona->type) {
			case WM5102:
			case WM8997:
				break;
			case WM8998:
			case WM1814:
				priv->out_down_delay += 5;
				break;
			default:
				priv->out_down_delay++;
				break;
			}
		default:
			break;
		}
		break;
	case SND_SOC_DAPM_POST_PMD:
		switch (w->shift) {
		case ARIZONA_OUT1L_ENA_SHIFT:
		case ARIZONA_OUT1R_ENA_SHIFT:
		case ARIZONA_OUT2L_ENA_SHIFT:
		case ARIZONA_OUT2R_ENA_SHIFT:
		case ARIZONA_OUT3L_ENA_SHIFT:
		case ARIZONA_OUT3R_ENA_SHIFT:
		case ARIZONA_OUT4L_ENA_SHIFT:
		case ARIZONA_OUT4R_ENA_SHIFT:
			priv->out_down_pending--;
			if (!priv->out_down_pending && priv->out_down_delay) {
				dev_dbg(component->dev, "Power down delay: %d\n",
					priv->out_down_delay);
				msleep(priv->out_down_delay);
				priv->out_down_delay = 0;
			}
			break;
		default:
			break;
		}
		break;
	default:
		break;
	}

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_out_ev);

int arizona_hp_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
		  int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	unsigned int mask = 1 << w->shift;
	unsigned int val;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		val = mask;
		break;
	case SND_SOC_DAPM_PRE_PMD:
		val = 0;
		break;
	case SND_SOC_DAPM_PRE_PMU:
	case SND_SOC_DAPM_POST_PMD:
		return arizona_out_ev(w, kcontrol, event);
	default:
		return -EINVAL;
	}

	/* Store the desired state for the HP outputs */
	priv->arizona->hp_ena &= ~mask;
	priv->arizona->hp_ena |= val;

	/* Force off if HPDET clamp is active */
	if (priv->arizona->hpdet_clamp)
		val = 0;

	regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1,
				 mask, val);

	return arizona_out_ev(w, kcontrol, event);
}
EXPORT_SYMBOL_GPL(arizona_hp_ev);

static int arizona_dvfs_enable(struct snd_soc_component *component)
{
	const struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int ret;

	ret = regulator_set_voltage(arizona->dcvdd, 1800000, 1800000);
	if (ret) {
		dev_err(component->dev, "Failed to boost DCVDD: %d\n", ret);
		return ret;
	}

	ret = regmap_update_bits(arizona->regmap,
				 ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
				 ARIZONA_SUBSYS_MAX_FREQ,
				 ARIZONA_SUBSYS_MAX_FREQ);
	if (ret) {
		dev_err(component->dev, "Failed to enable subsys max: %d\n", ret);
		regulator_set_voltage(arizona->dcvdd, 1200000, 1800000);
		return ret;
	}

	return 0;
}

static int arizona_dvfs_disable(struct snd_soc_component *component)
{
	const struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int ret;

	ret = regmap_update_bits(arizona->regmap,
				 ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
				 ARIZONA_SUBSYS_MAX_FREQ, 0);
	if (ret) {
		dev_err(component->dev, "Failed to disable subsys max: %d\n", ret);
		return ret;
	}

	ret = regulator_set_voltage(arizona->dcvdd, 1200000, 1800000);
	if (ret) {
		dev_err(component->dev, "Failed to unboost DCVDD: %d\n", ret);
		return ret;
	}

	return 0;
}

int arizona_dvfs_up(struct snd_soc_component *component, unsigned int flags)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	int ret = 0;

	mutex_lock(&priv->dvfs_lock);

	if (!priv->dvfs_cached && !priv->dvfs_reqs) {
		ret = arizona_dvfs_enable(component);
		if (ret)
			goto err;
	}

	priv->dvfs_reqs |= flags;
err:
	mutex_unlock(&priv->dvfs_lock);
	return ret;
}
EXPORT_SYMBOL_GPL(arizona_dvfs_up);

int arizona_dvfs_down(struct snd_soc_component *component, unsigned int flags)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	unsigned int old_reqs;
	int ret = 0;

	mutex_lock(&priv->dvfs_lock);

	old_reqs = priv->dvfs_reqs;
	priv->dvfs_reqs &= ~flags;

	if (!priv->dvfs_cached && old_reqs && !priv->dvfs_reqs)
		ret = arizona_dvfs_disable(component);

	mutex_unlock(&priv->dvfs_lock);
	return ret;
}
EXPORT_SYMBOL_GPL(arizona_dvfs_down);

int arizona_dvfs_sysclk_ev(struct snd_soc_dapm_widget *w,
			   struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	int ret = 0;

	mutex_lock(&priv->dvfs_lock);

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		if (priv->dvfs_reqs)
			ret = arizona_dvfs_enable(component);

		priv->dvfs_cached = false;
		break;
	case SND_SOC_DAPM_PRE_PMD:
		/* We must ensure DVFS is disabled before the codec goes into
		 * suspend so that we are never in an illegal state of DVFS
		 * enabled without enough DCVDD
		 */
		priv->dvfs_cached = true;

		if (priv->dvfs_reqs)
			ret = arizona_dvfs_disable(component);
		break;
	default:
		break;
	}

	mutex_unlock(&priv->dvfs_lock);
	return ret;
}
EXPORT_SYMBOL_GPL(arizona_dvfs_sysclk_ev);

void arizona_init_dvfs(struct arizona_priv *priv)
{
	mutex_init(&priv->dvfs_lock);
}
EXPORT_SYMBOL_GPL(arizona_init_dvfs);

int arizona_anc_ev(struct snd_soc_dapm_widget *w,
		   struct snd_kcontrol *kcontrol,
		   int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	unsigned int val;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		val = 1 << w->shift;
		break;
	case SND_SOC_DAPM_PRE_PMD:
		val = 1 << (w->shift + 1);
		break;
	default:
		return 0;
	}

	snd_soc_component_write(component, ARIZONA_CLOCK_CONTROL, val);

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_anc_ev);

static unsigned int arizona_opclk_ref_48k_rates[] = {
	6144000,
	12288000,
	24576000,
	49152000,
};

static unsigned int arizona_opclk_ref_44k1_rates[] = {
	5644800,
	11289600,
	22579200,
	45158400,
};

static int arizona_set_opclk(struct snd_soc_component *component,
			     unsigned int clk, unsigned int freq)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	unsigned int reg;
	unsigned int *rates;
	int ref, div, refclk;

	switch (clk) {
	case ARIZONA_CLK_OPCLK:
		reg = ARIZONA_OUTPUT_SYSTEM_CLOCK;
		refclk = priv->sysclk;
		break;
	case ARIZONA_CLK_ASYNC_OPCLK:
		reg = ARIZONA_OUTPUT_ASYNC_CLOCK;
		refclk = priv->asyncclk;
		break;
	default:
		return -EINVAL;
	}

	if (refclk % 8000)
		rates = arizona_opclk_ref_44k1_rates;
	else
		rates = arizona_opclk_ref_48k_rates;

	for (ref = 0; ref < ARRAY_SIZE(arizona_opclk_ref_48k_rates) &&
	     rates[ref] <= refclk; ref++) {
		div = 1;
		while (rates[ref] / div >= freq && div < 32) {
			if (rates[ref] / div == freq) {
				dev_dbg(component->dev, "Configured %dHz OPCLK\n",
					freq);
				snd_soc_component_update_bits(component, reg,
						    ARIZONA_OPCLK_DIV_MASK |
						    ARIZONA_OPCLK_SEL_MASK,
						    (div <<
						     ARIZONA_OPCLK_DIV_SHIFT) |
						    ref);
				return 0;
			}
			div++;
		}
	}

	dev_err(component->dev, "Unable to generate %dHz OPCLK\n", freq);
	return -EINVAL;
}

int arizona_clk_ev(struct snd_soc_dapm_widget *w,
		   struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona *arizona = dev_get_drvdata(component->dev->parent);
	unsigned int val;
	int clk_idx;
	int ret;

	ret = regmap_read(arizona->regmap, w->reg, &val);
	if (ret) {
		dev_err(component->dev, "Failed to check clock source: %d\n", ret);
		return ret;
	}

	val = (val & ARIZONA_SYSCLK_SRC_MASK) >> ARIZONA_SYSCLK_SRC_SHIFT;

	switch (val) {
	case ARIZONA_CLK_SRC_MCLK1:
		clk_idx = ARIZONA_MCLK1;
		break;
	case ARIZONA_CLK_SRC_MCLK2:
		clk_idx = ARIZONA_MCLK2;
		break;
	default:
		return 0;
	}

	switch (event) {
	case SND_SOC_DAPM_PRE_PMU:
		return clk_prepare_enable(arizona->mclk[clk_idx]);
	case SND_SOC_DAPM_POST_PMD:
		clk_disable_unprepare(arizona->mclk[clk_idx]);
		return 0;
	default:
		return 0;
	}
}
EXPORT_SYMBOL_GPL(arizona_clk_ev);

int arizona_set_sysclk(struct snd_soc_component *component, int clk_id,
		       int source, unsigned int freq, int dir)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	char *name;
	unsigned int reg;
	unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK;
	unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT;
	int *clk;

	switch (clk_id) {
	case ARIZONA_CLK_SYSCLK:
		name = "SYSCLK";
		reg = ARIZONA_SYSTEM_CLOCK_1;
		clk = &priv->sysclk;
		mask |= ARIZONA_SYSCLK_FRAC;
		break;
	case ARIZONA_CLK_ASYNCCLK:
		name = "ASYNCCLK";
		reg = ARIZONA_ASYNC_CLOCK_1;
		clk = &priv->asyncclk;
		break;
	case ARIZONA_CLK_OPCLK:
	case ARIZONA_CLK_ASYNC_OPCLK:
		return arizona_set_opclk(component, clk_id, freq);
	default:
		return -EINVAL;
	}

	switch (freq) {
	case  5644800:
	case  6144000:
		break;
	case 11289600:
	case 12288000:
		val |= ARIZONA_CLK_12MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
		break;
	case 22579200:
	case 24576000:
		val |= ARIZONA_CLK_24MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
		break;
	case 45158400:
	case 49152000:
		val |= ARIZONA_CLK_49MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
		break;
	case 67737600:
	case 73728000:
		val |= ARIZONA_CLK_73MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
		break;
	case 90316800:
	case 98304000:
		val |= ARIZONA_CLK_98MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
		break;
	case 135475200:
	case 147456000:
		val |= ARIZONA_CLK_147MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
		break;
	case 0:
		dev_dbg(arizona->dev, "%s cleared\n", name);
		*clk = freq;
		return 0;
	default:
		return -EINVAL;
	}

	*clk = freq;

	if (freq % 6144000)
		val |= ARIZONA_SYSCLK_FRAC;

	dev_dbg(arizona->dev, "%s set to %uHz", name, freq);

	return regmap_update_bits(arizona->regmap, reg, mask, val);
}
EXPORT_SYMBOL_GPL(arizona_set_sysclk);

static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
	struct snd_soc_component *component = dai->component;
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int lrclk, bclk, mode, base;

	base = dai->driver->base;

	lrclk = 0;
	bclk = 0;

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_DSP_A:
		mode = ARIZONA_FMT_DSP_MODE_A;
		break;
	case SND_SOC_DAIFMT_DSP_B:
		if ((fmt & SND_SOC_DAIFMT_MASTER_MASK)
				!= SND_SOC_DAIFMT_CBM_CFM) {
			arizona_aif_err(dai, "DSP_B not valid in slave mode\n");
			return -EINVAL;
		}
		mode = ARIZONA_FMT_DSP_MODE_B;
		break;
	case SND_SOC_DAIFMT_I2S:
		mode = ARIZONA_FMT_I2S_MODE;
		break;
	case SND_SOC_DAIFMT_LEFT_J:
		if ((fmt & SND_SOC_DAIFMT_MASTER_MASK)
				!= SND_SOC_DAIFMT_CBM_CFM) {
			arizona_aif_err(dai, "LEFT_J not valid in slave mode\n");
			return -EINVAL;
		}
		mode = ARIZONA_FMT_LEFT_JUSTIFIED_MODE;
		break;
	default:
		arizona_aif_err(dai, "Unsupported DAI format %d\n",
				fmt & SND_SOC_DAIFMT_FORMAT_MASK);
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBS_CFS:
		break;
	case SND_SOC_DAIFMT_CBS_CFM:
		lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
		break;
	case SND_SOC_DAIFMT_CBM_CFS:
		bclk |= ARIZONA_AIF1_BCLK_MSTR;
		break;
	case SND_SOC_DAIFMT_CBM_CFM:
		bclk |= ARIZONA_AIF1_BCLK_MSTR;
		lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
		break;
	default:
		arizona_aif_err(dai, "Unsupported master mode %d\n",
				fmt & SND_SOC_DAIFMT_MASTER_MASK);
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	case SND_SOC_DAIFMT_NB_NF:
		break;
	case SND_SOC_DAIFMT_IB_IF:
		bclk |= ARIZONA_AIF1_BCLK_INV;
		lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
		break;
	case SND_SOC_DAIFMT_IB_NF:
		bclk |= ARIZONA_AIF1_BCLK_INV;
		break;
	case SND_SOC_DAIFMT_NB_IF:
		lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
		break;
	default:
		return -EINVAL;
	}

	regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_BCLK_CTRL,
				 ARIZONA_AIF1_BCLK_INV |
				 ARIZONA_AIF1_BCLK_MSTR,
				 bclk);
	regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_TX_PIN_CTRL,
				 ARIZONA_AIF1TX_LRCLK_INV |
				 ARIZONA_AIF1TX_LRCLK_MSTR, lrclk);
	regmap_update_bits_async(arizona->regmap,
				 base + ARIZONA_AIF_RX_PIN_CTRL,
				 ARIZONA_AIF1RX_LRCLK_INV |
				 ARIZONA_AIF1RX_LRCLK_MSTR, lrclk);
	regmap_update_bits(arizona->regmap, base + ARIZONA_AIF_FORMAT,
			   ARIZONA_AIF1_FMT_MASK, mode);

	return 0;
}

static const int arizona_48k_bclk_rates[] = {
	-1,
	48000,
	64000,
	96000,
	128000,
	192000,
	256000,
	384000,
	512000,
	768000,
	1024000,
	1536000,
	2048000,
	3072000,
	4096000,
	6144000,
	8192000,
	12288000,
	24576000,
};

static const int arizona_44k1_bclk_rates[] = {
	-1,
	44100,
	58800,
	88200,
	117600,
	177640,
	235200,
	352800,
	470400,
	705600,
	940800,
	1411200,
	1881600,
	2822400,
	3763200,
	5644800,
	7526400,
	11289600,
	22579200,
};

static const unsigned int arizona_sr_vals[] = {
	0,
	12000,
	24000,
	48000,
	96000,
	192000,
	384000,
	768000,
	0,
	11025,
	22050,
	44100,
	88200,
	176400,
	352800,
	705600,
	4000,
	8000,
	16000,
	32000,
	64000,
	128000,
	256000,
	512000,
};

#define ARIZONA_48K_RATE_MASK	0x0F003E
#define ARIZONA_44K1_RATE_MASK	0x003E00
#define ARIZONA_RATE_MASK	(ARIZONA_48K_RATE_MASK | ARIZONA_44K1_RATE_MASK)

static const struct snd_pcm_hw_constraint_list arizona_constraint = {
	.count	= ARRAY_SIZE(arizona_sr_vals),
	.list	= arizona_sr_vals,
};

static int arizona_startup(struct snd_pcm_substream *substream,
			   struct snd_soc_dai *dai)
{
	struct snd_soc_component *component = dai->component;
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
	unsigned int base_rate;

	if (!substream->runtime)
		return 0;

	switch (dai_priv->clk) {
	case ARIZONA_CLK_SYSCLK:
		base_rate = priv->sysclk;
		break;
	case ARIZONA_CLK_ASYNCCLK:
		base_rate = priv->asyncclk;
		break;
	default:
		return 0;
	}

	if (base_rate == 0)
		dai_priv->constraint.mask = ARIZONA_RATE_MASK;
	else if (base_rate % 8000)
		dai_priv->constraint.mask = ARIZONA_44K1_RATE_MASK;
	else
		dai_priv->constraint.mask = ARIZONA_48K_RATE_MASK;

	return snd_pcm_hw_constraint_list(substream->runtime, 0,
					  SNDRV_PCM_HW_PARAM_RATE,
					  &dai_priv->constraint);
}

static void arizona_wm5102_set_dac_comp(struct snd_soc_component *component,
					unsigned int rate)
{
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	struct reg_sequence dac_comp[] = {
		{ 0x80, 0x3 },
		{ ARIZONA_DAC_COMP_1, 0 },
		{ ARIZONA_DAC_COMP_2, 0 },
		{ 0x80, 0x0 },
	};

	mutex_lock(&arizona->dac_comp_lock);

	dac_comp[1].def = arizona->dac_comp_coeff;
	if (rate >= 176400)
		dac_comp[2].def = arizona->dac_comp_enabled;

	mutex_unlock(&arizona->dac_comp_lock);

	regmap_multi_reg_write(arizona->regmap,
			       dac_comp,
			       ARRAY_SIZE(dac_comp));
}

static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
				  struct snd_pcm_hw_params *params,
				  struct snd_soc_dai *dai)
{
	struct snd_soc_component *component = dai->component;
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
	int base = dai->driver->base;
	int i, sr_val, ret;

	/*
	 * We will need to be more flexible than this in future,
	 * currently we use a single sample rate for SYSCLK.
	 */
	for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
		if (arizona_sr_vals[i] == params_rate(params))
			break;
	if (i == ARRAY_SIZE(arizona_sr_vals)) {
		arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
				params_rate(params));
		return -EINVAL;
	}
	sr_val = i;

	switch (priv->arizona->type) {
	case WM5102:
	case WM8997:
		if (arizona_sr_vals[sr_val] >= 88200)
			ret = arizona_dvfs_up(component, ARIZONA_DVFS_SR1_RQ);
		else
			ret = arizona_dvfs_down(component, ARIZONA_DVFS_SR1_RQ);

		if (ret) {
			arizona_aif_err(dai, "Failed to change DVFS %d\n", ret);
			return ret;
		}
		break;
	default:
		break;
	}

	switch (dai_priv->clk) {
	case ARIZONA_CLK_SYSCLK:
		switch (priv->arizona->type) {
		case WM5102:
			arizona_wm5102_set_dac_comp(component,
						    params_rate(params));
			break;
		default:
			break;
		}

		snd_soc_component_update_bits(component, ARIZONA_SAMPLE_RATE_1,
					      ARIZONA_SAMPLE_RATE_1_MASK,
					      sr_val);
		if (base)
			snd_soc_component_update_bits(component,
					base + ARIZONA_AIF_RATE_CTRL,
					ARIZONA_AIF1_RATE_MASK, 0);
		break;
	case ARIZONA_CLK_ASYNCCLK:
		snd_soc_component_update_bits(component,
					      ARIZONA_ASYNC_SAMPLE_RATE_1,
					      ARIZONA_ASYNC_SAMPLE_RATE_1_MASK,
					      sr_val);
		if (base)
			snd_soc_component_update_bits(component,
					base + ARIZONA_AIF_RATE_CTRL,
					ARIZONA_AIF1_RATE_MASK,
					8 << ARIZONA_AIF1_RATE_SHIFT);
		break;
	default:
		arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
		return -EINVAL;
	}

	return 0;
}

static bool arizona_aif_cfg_changed(struct snd_soc_component *component,
				    int base, int bclk, int lrclk, int frame)
{
	int val;

	val = snd_soc_component_read(component, base + ARIZONA_AIF_BCLK_CTRL);
	if (bclk != (val & ARIZONA_AIF1_BCLK_FREQ_MASK))
		return true;

	val = snd_soc_component_read(component, base + ARIZONA_AIF_TX_BCLK_RATE);
	if (lrclk != (val & ARIZONA_AIF1TX_BCPF_MASK))
		return true;

	val = snd_soc_component_read(component, base + ARIZONA_AIF_FRAME_CTRL_1);
	if (frame != (val & (ARIZONA_AIF1TX_WL_MASK |
			     ARIZONA_AIF1TX_SLOT_LEN_MASK)))
		return true;

	return false;
}

static int arizona_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params,
			     struct snd_soc_dai *dai)
{
	struct snd_soc_component *component = dai->component;
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int base = dai->driver->base;
	const int *rates;
	int i, ret, val;
	int channels = params_channels(params);
	int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
	int tdm_width = arizona->tdm_width[dai->id - 1];
	int tdm_slots = arizona->tdm_slots[dai->id - 1];
	int bclk, lrclk, wl, frame, bclk_target;
	bool reconfig;
	unsigned int aif_tx_state, aif_rx_state;

	if (params_rate(params) % 4000)
		rates = &arizona_44k1_bclk_rates[0];
	else
		rates = &arizona_48k_bclk_rates[0];

	wl = params_width(params);

	if (tdm_slots) {
		arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n",
				tdm_slots, tdm_width);
		bclk_target = tdm_slots * tdm_width * params_rate(params);
		channels = tdm_slots;
	} else {
		bclk_target = snd_soc_params_to_bclk(params);
		tdm_width = wl;
	}

	if (chan_limit && chan_limit < channels) {
		arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit);
		bclk_target /= channels;
		bclk_target *= chan_limit;
	}

	/* Force multiple of 2 channels for I2S mode */
	val = snd_soc_component_read(component, base + ARIZONA_AIF_FORMAT);
	val &= ARIZONA_AIF1_FMT_MASK;
	if ((channels & 1) && (val == ARIZONA_FMT_I2S_MODE)) {
		arizona_aif_dbg(dai, "Forcing stereo mode\n");
		bclk_target /= channels;
		bclk_target *= channels + 1;
	}

	for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
		if (rates[i] >= bclk_target &&
		    rates[i] % params_rate(params) == 0) {
			bclk = i;
			break;
		}
	}
	if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) {
		arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
				params_rate(params));
		return -EINVAL;
	}

	lrclk = rates[bclk] / params_rate(params);

	arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
			rates[bclk], rates[bclk] / lrclk);

	frame = wl << ARIZONA_AIF1TX_WL_SHIFT | tdm_width;

	reconfig = arizona_aif_cfg_changed(component, base, bclk, lrclk, frame);

	if (reconfig) {
		/* Save AIF TX/RX state */
		aif_tx_state = snd_soc_component_read(component,
					    base + ARIZONA_AIF_TX_ENABLES);
		aif_rx_state = snd_soc_component_read(component,
					    base + ARIZONA_AIF_RX_ENABLES);
		/* Disable AIF TX/RX before reconfiguring it */
		regmap_update_bits_async(arizona->regmap,
					 base + ARIZONA_AIF_TX_ENABLES,
					 0xff, 0x0);
		regmap_update_bits(arizona->regmap,
				   base + ARIZONA_AIF_RX_ENABLES, 0xff, 0x0);
	}

	ret = arizona_hw_params_rate(substream, params, dai);
	if (ret != 0)
		goto restore_aif;

	if (reconfig) {
		regmap_update_bits_async(arizona->regmap,
					 base + ARIZONA_AIF_BCLK_CTRL,
					 ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
		regmap_update_bits_async(arizona->regmap,
					 base + ARIZONA_AIF_TX_BCLK_RATE,
					 ARIZONA_AIF1TX_BCPF_MASK, lrclk);
		regmap_update_bits_async(arizona->regmap,
					 base + ARIZONA_AIF_RX_BCLK_RATE,
					 ARIZONA_AIF1RX_BCPF_MASK, lrclk);
		regmap_update_bits_async(arizona->regmap,
					 base + ARIZONA_AIF_FRAME_CTRL_1,
					 ARIZONA_AIF1TX_WL_MASK |
					 ARIZONA_AIF1TX_SLOT_LEN_MASK, frame);
		regmap_update_bits(arizona->regmap,
				   base + ARIZONA_AIF_FRAME_CTRL_2,
				   ARIZONA_AIF1RX_WL_MASK |
				   ARIZONA_AIF1RX_SLOT_LEN_MASK, frame);
	}

restore_aif:
	if (reconfig) {
		/* Restore AIF TX/RX state */
		regmap_update_bits_async(arizona->regmap,
					 base + ARIZONA_AIF_TX_ENABLES,
					 0xff, aif_tx_state);
		regmap_update_bits(arizona->regmap,
				   base + ARIZONA_AIF_RX_ENABLES,
				   0xff, aif_rx_state);
	}
	return ret;
}

static const char *arizona_dai_clk_str(int clk_id)
{
	switch (clk_id) {
	case ARIZONA_CLK_SYSCLK:
		return "SYSCLK";
	case ARIZONA_CLK_ASYNCCLK:
		return "ASYNCCLK";
	default:
		return "Unknown clock";
	}
}

static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
				  int clk_id, unsigned int freq, int dir)
{
	struct snd_soc_component *component = dai->component;
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
	struct snd_soc_dapm_route routes[2];

	switch (clk_id) {
	case ARIZONA_CLK_SYSCLK:
	case ARIZONA_CLK_ASYNCCLK:
		break;
	default:
		return -EINVAL;
	}

	if (clk_id == dai_priv->clk)
		return 0;

	if (snd_soc_dai_active(dai)) {
		dev_err(component->dev, "Can't change clock on active DAI %d\n",
			dai->id);
		return -EBUSY;
	}

	dev_dbg(component->dev, "Setting AIF%d to %s\n", dai->id + 1,
		arizona_dai_clk_str(clk_id));

	memset(&routes, 0, sizeof(routes));
	routes[0].sink = dai->driver->capture.stream_name;
	routes[1].sink = dai->driver->playback.stream_name;

	routes[0].source = arizona_dai_clk_str(dai_priv->clk);
	routes[1].source = arizona_dai_clk_str(dai_priv->clk);
	snd_soc_dapm_del_routes(dapm, routes, ARRAY_SIZE(routes));

	routes[0].source = arizona_dai_clk_str(clk_id);
	routes[1].source = arizona_dai_clk_str(clk_id);
	snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes));

	dai_priv->clk = clk_id;

	return snd_soc_dapm_sync(dapm);
}

static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
{
	struct snd_soc_component *component = dai->component;
	int base = dai->driver->base;
	unsigned int reg;

	if (tristate)
		reg = ARIZONA_AIF1_TRI;
	else
		reg = 0;

	return snd_soc_component_update_bits(component,
					     base + ARIZONA_AIF_RATE_CTRL,
					     ARIZONA_AIF1_TRI, reg);
}

static void arizona_set_channels_to_mask(struct snd_soc_dai *dai,
					 unsigned int base,
					 int channels, unsigned int mask)
{
	struct snd_soc_component *component = dai->component;
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int slot, i;

	for (i = 0; i < channels; ++i) {
		slot = ffs(mask) - 1;
		if (slot < 0)
			return;

		regmap_write(arizona->regmap, base + i, slot);

		mask &= ~(1 << slot);
	}

	if (mask)
		arizona_aif_warn(dai, "Too many channels in TDM mask\n");
}

static int arizona_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
				unsigned int rx_mask, int slots, int slot_width)
{
	struct snd_soc_component *component = dai->component;
	struct arizona_priv *priv = snd_soc_component_get_drvdata(component);
	struct arizona *arizona = priv->arizona;
	int base = dai->driver->base;
	int rx_max_chan = dai->driver->playback.channels_max;
	int tx_max_chan = dai->driver->capture.channels_max;

	/* Only support TDM for the physical AIFs */
	if (dai->id > ARIZONA_MAX_AIF)
		return -ENOTSUPP;

	if (slots == 0) {
		tx_mask = (1 << tx_max_chan) - 1;
		rx_mask = (1 << rx_max_chan) - 1;
	}

	arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_3,
				     tx_max_chan, tx_mask);
	arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_11,
				     rx_max_chan, rx_mask);

	arizona->tdm_width[dai->id - 1] = slot_width;
	arizona->tdm_slots[dai->id - 1] = slots;

	return 0;
}

const struct snd_soc_dai_ops arizona_dai_ops = {
	.startup = arizona_startup,
	.set_fmt = arizona_set_fmt,
	.set_tdm_slot = arizona_set_tdm_slot,
	.hw_params = arizona_hw_params,
	.set_sysclk = arizona_dai_set_sysclk,
	.set_tristate = arizona_set_tristate,
};
EXPORT_SYMBOL_GPL(arizona_dai_ops);

const struct snd_soc_dai_ops arizona_simple_dai_ops = {
	.startup = arizona_startup,
	.hw_params = arizona_hw_params_rate,
	.set_sysclk = arizona_dai_set_sysclk,
};
EXPORT_SYMBOL_GPL(arizona_simple_dai_ops);

int arizona_init_dai(struct arizona_priv *priv, int id)
{
	struct arizona_dai_priv *dai_priv = &priv->dai[id];

	dai_priv->clk = ARIZONA_CLK_SYSCLK;
	dai_priv->constraint = arizona_constraint;

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_dai);

static struct {
	unsigned int min;
	unsigned int max;
	u16 fratio;
	int ratio;
} fll_fratios[] = {
	{       0,    64000, 4, 16 },
	{   64000,   128000, 3,  8 },
	{  128000,   256000, 2,  4 },
	{  256000,  1000000, 1,  2 },
	{ 1000000, 13500000, 0,  1 },
};

static const unsigned int pseudo_fref_max[ARIZONA_FLL_MAX_FRATIO] = {
	13500000,
	 6144000,
	 6144000,
	 3072000,
	 3072000,
	 2822400,
	 2822400,
	 1536000,
	 1536000,
	 1536000,
	 1536000,
	 1536000,
	 1536000,
	 1536000,
	 1536000,
	  768000,
};

static struct {
	unsigned int min;
	unsigned int max;
	u16 gain;
} fll_gains[] = {
	{       0,   256000, 0 },
	{  256000,  1000000, 2 },
	{ 1000000, 13500000, 4 },
};

struct arizona_fll_cfg {
	int n;
	unsigned int theta;
	unsigned int lambda;
	int refdiv;
	int outdiv;
	int fratio;
	int gain;
};

static int arizona_validate_fll(struct arizona_fll *fll,
				unsigned int Fref,
				unsigned int Fout)
{
	unsigned int Fvco_min;

	if (fll->fout && Fout != fll->fout) {
		arizona_fll_err(fll,
				"Can't change output on active FLL\n");
		return -EINVAL;
	}

	if (Fref / ARIZONA_FLL_MAX_REFDIV > ARIZONA_FLL_MAX_FREF) {
		arizona_fll_err(fll,
				"Can't scale %dMHz in to <=13.5MHz\n",
				Fref);
		return -EINVAL;
	}

	Fvco_min = ARIZONA_FLL_MIN_FVCO * fll->vco_mult;
	if (Fout * ARIZONA_FLL_MAX_OUTDIV < Fvco_min) {
		arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n",
				Fout);
		return -EINVAL;
	}

	return 0;
}

static int arizona_find_fratio(unsigned int Fref, int *fratio)
{
	int i;

	/* Find an appropriate FLL_FRATIO */
	for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
		if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
			if (fratio)
				*fratio = fll_fratios[i].fratio;
			return fll_fratios[i].ratio;
		}
	}

	return -EINVAL;
}

static int arizona_calc_fratio(struct arizona_fll *fll,
			       struct arizona_fll_cfg *cfg,
			       unsigned int target,
			       unsigned int Fref, bool sync)
{
	int init_ratio, ratio;
	int refdiv, div;

	/* Fref must be <=13.5MHz, find initial refdiv */
	div = 1;
	cfg->refdiv = 0;
	while (Fref > ARIZONA_FLL_MAX_FREF) {
		div *= 2;
		Fref /= 2;
		cfg->refdiv++;

		if (div > ARIZONA_FLL_MAX_REFDIV)
			return -EINVAL;
	}

	/* Find an appropriate FLL_FRATIO */
	init_ratio = arizona_find_fratio(Fref, &cfg->fratio);
	if (init_ratio < 0) {
		arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n",
				Fref);
		return init_ratio;
	}

	switch (fll->arizona->type) {
	case WM5102:
	case WM8997:
		return init_ratio;
	case WM5110:
	case WM8280:
		if (fll->arizona->rev < 3 || sync)
			return init_ratio;
		break;
	default:
		if (sync)
			return init_ratio;
		break;
	}

	cfg->fratio = init_ratio - 1;

	/* Adjust FRATIO/refdiv to avoid integer mode if possible */
	refdiv = cfg->refdiv;

	arizona_fll_dbg(fll, "pseudo: initial ratio=%u fref=%u refdiv=%u\n",
			init_ratio, Fref, refdiv);

	while (div <= ARIZONA_FLL_MAX_REFDIV) {
		/* start from init_ratio because this may already give a
		 * fractional N.K
		 */
		for (ratio = init_ratio; ratio > 0; ratio--) {
			if (target % (ratio * Fref)) {
				cfg->refdiv = refdiv;
				cfg->fratio = ratio - 1;
				arizona_fll_dbg(fll,
					"pseudo: found fref=%u refdiv=%d(%d) ratio=%d\n",
					Fref, refdiv, div, ratio);
				return ratio;
			}
		}

		for (ratio = init_ratio + 1; ratio <= ARIZONA_FLL_MAX_FRATIO;
		     ratio++) {
			if ((ARIZONA_FLL_VCO_CORNER / 2) /
			    (fll->vco_mult * ratio) < Fref) {
				arizona_fll_dbg(fll, "pseudo: hit VCO corner\n");
				break;
			}

			if (Fref > pseudo_fref_max[ratio - 1]) {
				arizona_fll_dbg(fll,
					"pseudo: exceeded max fref(%u) for ratio=%u\n",
					pseudo_fref_max[ratio - 1],
					ratio);
				break;
			}

			if (target % (ratio * Fref)) {
				cfg->refdiv = refdiv;
				cfg->fratio = ratio - 1;
				arizona_fll_dbg(fll,
					"pseudo: found fref=%u refdiv=%d(%d) ratio=%d\n",
					Fref, refdiv, div, ratio);
				return ratio;
			}
		}

		div *= 2;
		Fref /= 2;
		refdiv++;
		init_ratio = arizona_find_fratio(Fref, NULL);
		arizona_fll_dbg(fll,
				"pseudo: change fref=%u refdiv=%d(%d) ratio=%u\n",
				Fref, refdiv, div, init_ratio);
	}

	arizona_fll_warn(fll, "Falling back to integer mode operation\n");
	return cfg->fratio + 1;
}

static int arizona_calc_fll(struct arizona_fll *fll,
			    struct arizona_fll_cfg *cfg,
			    unsigned int Fref, bool sync)
{
	unsigned int target, div, gcd_fll;
	int i, ratio;

	arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout);

	/* Fvco should be over the targt; don't check the upper bound */
	div = ARIZONA_FLL_MIN_OUTDIV;
	while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) {
		div++;
		if (div > ARIZONA_FLL_MAX_OUTDIV)
			return -EINVAL;
	}
	target = fll->fout * div / fll->vco_mult;
	cfg->outdiv = div;

	arizona_fll_dbg(fll, "Fvco=%dHz\n", target);

	/* Find an appropriate FLL_FRATIO and refdiv */
	ratio = arizona_calc_fratio(fll, cfg, target, Fref, sync);
	if (ratio < 0)
		return ratio;

	/* Apply the division for our remaining calculations */
	Fref = Fref / (1 << cfg->refdiv);

	cfg->n = target / (ratio * Fref);

	if (target % (ratio * Fref)) {
		gcd_fll = gcd(target, ratio * Fref);
		arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll);

		cfg->theta = (target - (cfg->n * ratio * Fref))
			/ gcd_fll;
		cfg->lambda = (ratio * Fref) / gcd_fll;
	} else {
		cfg->theta = 0;
		cfg->lambda = 0;
	}

	/* Round down to 16bit range with cost of accuracy lost.
	 * Denominator must be bigger than numerator so we only
	 * take care of it.
	 */
	while (cfg->lambda >= (1 << 16)) {
		cfg->theta >>= 1;
		cfg->lambda >>= 1;
	}

	for (i = 0; i < ARRAY_SIZE(fll_gains); i++) {
		if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) {
			cfg->gain = fll_gains[i].gain;
			break;
		}
	}
	if (i == ARRAY_SIZE(fll_gains)) {
		arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n",
				Fref);
		return -EINVAL;
	}

	arizona_fll_dbg(fll, "N=%d THETA=%d LAMBDA=%d\n",
			cfg->n, cfg->theta, cfg->lambda);
	arizona_fll_dbg(fll, "FRATIO=0x%x(%d) OUTDIV=%d REFCLK_DIV=0x%x(%d)\n",
			cfg->fratio, ratio, cfg->outdiv,
			cfg->refdiv, 1 << cfg->refdiv);
	arizona_fll_dbg(fll, "GAIN=0x%x(%d)\n", cfg->gain, 1 << cfg->gain);

	return 0;
}

static void arizona_apply_fll(struct arizona *arizona, unsigned int base,
			      struct arizona_fll_cfg *cfg, int source,
			      bool sync)
{
	regmap_update_bits_async(arizona->regmap, base + 3,
				 ARIZONA_FLL1_THETA_MASK, cfg->theta);
	regmap_update_bits_async(arizona->regmap, base + 4,
				 ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda);
	regmap_update_bits_async(arizona->regmap, base + 5,
				 ARIZONA_FLL1_FRATIO_MASK,
				 cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT);
	regmap_update_bits_async(arizona->regmap, base + 6,
				 ARIZONA_FLL1_CLK_REF_DIV_MASK |
				 ARIZONA_FLL1_CLK_REF_SRC_MASK,
				 cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT |
				 source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT);

	if (sync) {
		regmap_update_bits(arizona->regmap, base + 0x7,
				   ARIZONA_FLL1_GAIN_MASK,
				   cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
	} else {
		regmap_update_bits(arizona->regmap, base + 0x5,
				   ARIZONA_FLL1_OUTDIV_MASK,
				   cfg->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT);
		regmap_update_bits(arizona->regmap, base + 0x9,
				   ARIZONA_FLL1_GAIN_MASK,
				   cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
	}

	regmap_update_bits_async(arizona->regmap, base + 2,
				 ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK,
				 ARIZONA_FLL1_CTRL_UPD | cfg->n);
}

static int arizona_is_enabled_fll(struct arizona_fll *fll, int base)
{
	struct arizona *arizona = fll->arizona;
	unsigned int reg;
	int ret;

	ret = regmap_read(arizona->regmap, base + 1, &reg);
	if (ret != 0) {
		arizona_fll_err(fll, "Failed to read current state: %d\n",
				ret);
		return ret;
	}

	return reg & ARIZONA_FLL1_ENA;
}

static int arizona_set_fll_clks(struct arizona_fll *fll, int base, bool ena)
{
	struct arizona *arizona = fll->arizona;
	unsigned int val;
	struct clk *clk;
	int ret;

	ret = regmap_read(arizona->regmap, base + 6, &val);
	if (ret != 0) {
		arizona_fll_err(fll, "Failed to read current source: %d\n",
				ret);
		return ret;
	}

	val &= ARIZONA_FLL1_CLK_REF_SRC_MASK;
	val >>= ARIZONA_FLL1_CLK_REF_SRC_SHIFT;

	switch (val) {
	case ARIZONA_FLL_SRC_MCLK1:
		clk = arizona->mclk[ARIZONA_MCLK1];
		break;
	case ARIZONA_FLL_SRC_MCLK2:
		clk = arizona->mclk[ARIZONA_MCLK2];
		break;
	default:
		return 0;
	}

	if (ena) {
		return clk_prepare_enable(clk);
	} else {
		clk_disable_unprepare(clk);
		return 0;
	}
}

static int arizona_enable_fll(struct arizona_fll *fll)
{
	struct arizona *arizona = fll->arizona;
	bool use_sync = false;
	int already_enabled = arizona_is_enabled_fll(fll, fll->base);
	int sync_enabled = arizona_is_enabled_fll(fll, fll->base + 0x10);
	struct arizona_fll_cfg cfg;
	int i;
	unsigned int val;

	if (already_enabled < 0)
		return already_enabled;
	if (sync_enabled < 0)
		return sync_enabled;

	if (already_enabled) {
		/* Facilitate smooth refclk across the transition */
		regmap_update_bits(fll->arizona->regmap, fll->base + 1,
				   ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
		udelay(32);
		regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
					 ARIZONA_FLL1_GAIN_MASK, 0);

		if (arizona_is_enabled_fll(fll, fll->base + 0x10) > 0)
			arizona_set_fll_clks(fll, fll->base + 0x10, false);
		arizona_set_fll_clks(fll, fll->base, false);
	}

	/*
	 * If we have both REFCLK and SYNCCLK then enable both,
	 * otherwise apply the SYNCCLK settings to REFCLK.
	 */
	if (fll->ref_src >= 0 && fll->ref_freq &&
	    fll->ref_src != fll->sync_src) {
		arizona_calc_fll(fll, &cfg, fll->ref_freq, false);

		/* Ref path hardcodes lambda to 65536 when sync is on */
		if (fll->sync_src >= 0 && cfg.lambda)
			cfg.theta = (cfg.theta * (1 << 16)) / cfg.lambda;

		arizona_apply_fll(arizona, fll->base, &cfg, fll->ref_src,
				  false);
		if (fll->sync_src >= 0) {
			arizona_calc_fll(fll, &cfg, fll->sync_freq, true);

			arizona_apply_fll(arizona, fll->base + 0x10, &cfg,
					  fll->sync_src, true);
			use_sync = true;
		}
	} else if (fll->sync_src >= 0) {
		arizona_calc_fll(fll, &cfg, fll->sync_freq, false);

		arizona_apply_fll(arizona, fll->base, &cfg,
				  fll->sync_src, false);

		regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
					 ARIZONA_FLL1_SYNC_ENA, 0);
	} else {
		arizona_fll_err(fll, "No clocks provided\n");
		return -EINVAL;
	}

	if (already_enabled && !!sync_enabled != use_sync)
		arizona_fll_warn(fll, "Synchroniser changed on active FLL\n");

	/*
	 * Increase the bandwidth if we're not using a low frequency
	 * sync source.
	 */
	if (use_sync && fll->sync_freq > 100000)
		regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
					 ARIZONA_FLL1_SYNC_BW, 0);
	else
		regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
					 ARIZONA_FLL1_SYNC_BW,
					 ARIZONA_FLL1_SYNC_BW);

	if (!already_enabled)
		pm_runtime_get_sync(arizona->dev);

	if (use_sync) {
		arizona_set_fll_clks(fll, fll->base + 0x10, true);
		regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
					 ARIZONA_FLL1_SYNC_ENA,
					 ARIZONA_FLL1_SYNC_ENA);
	}
	arizona_set_fll_clks(fll, fll->base, true);
	regmap_update_bits_async(arizona->regmap, fll->base + 1,
				 ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);

	if (already_enabled)
		regmap_update_bits_async(arizona->regmap, fll->base + 1,
					 ARIZONA_FLL1_FREERUN, 0);

	arizona_fll_dbg(fll, "Waiting for FLL lock...\n");
	val = 0;
	for (i = 0; i < 15; i++) {
		if (i < 5)
			usleep_range(200, 400);
		else
			msleep(20);

		regmap_read(arizona->regmap,
			    ARIZONA_INTERRUPT_RAW_STATUS_5,
			    &val);
		if (val & (ARIZONA_FLL1_CLOCK_OK_STS << (fll->id - 1)))
			break;
	}
	if (i == 15)
		arizona_fll_warn(fll, "Timed out waiting for lock\n");
	else
		arizona_fll_dbg(fll, "FLL locked (%d polls)\n", i);

	return 0;
}

static void arizona_disable_fll(struct arizona_fll *fll)
{
	struct arizona *arizona = fll->arizona;
	bool ref_change, sync_change;

	regmap_update_bits_async(arizona->regmap, fll->base + 1,
				 ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
	regmap_update_bits_check(arizona->regmap, fll->base + 1,
				 ARIZONA_FLL1_ENA, 0, &ref_change);
	regmap_update_bits_check(arizona->regmap, fll->base + 0x11,
				 ARIZONA_FLL1_SYNC_ENA, 0, &sync_change);
	regmap_update_bits_async(arizona->regmap, fll->base + 1,
				 ARIZONA_FLL1_FREERUN, 0);

	if (sync_change)
		arizona_set_fll_clks(fll, fll->base + 0x10, false);

	if (ref_change) {
		arizona_set_fll_clks(fll, fll->base, false);
		pm_runtime_put_autosuspend(arizona->dev);
	}
}

int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
			   unsigned int Fref, unsigned int Fout)
{
	int ret = 0;

	if (fll->ref_src == source && fll->ref_freq == Fref)
		return 0;

	if (fll->fout && Fref > 0) {
		ret = arizona_validate_fll(fll, Fref, fll->fout);
		if (ret != 0)
			return ret;
	}

	fll->ref_src = source;
	fll->ref_freq = Fref;

	if (fll->fout && Fref > 0)
		ret = arizona_enable_fll(fll);

	return ret;
}
EXPORT_SYMBOL_GPL(arizona_set_fll_refclk);

int arizona_set_fll(struct arizona_fll *fll, int source,
		    unsigned int Fref, unsigned int Fout)
{
	int ret = 0;

	if (fll->sync_src == source &&
	    fll->sync_freq == Fref && fll->fout == Fout)
		return 0;

	if (Fout) {
		if (fll->ref_src >= 0) {
			ret = arizona_validate_fll(fll, fll->ref_freq, Fout);
			if (ret != 0)
				return ret;
		}

		ret = arizona_validate_fll(fll, Fref, Fout);
		if (ret != 0)
			return ret;
	}

	fll->sync_src = source;
	fll->sync_freq = Fref;
	fll->fout = Fout;

	if (Fout)
		ret = arizona_enable_fll(fll);
	else
		arizona_disable_fll(fll);

	return ret;
}
EXPORT_SYMBOL_GPL(arizona_set_fll);

int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
		     int ok_irq, struct arizona_fll *fll)
{
	unsigned int val;

	fll->id = id;
	fll->base = base;
	fll->arizona = arizona;
	fll->sync_src = ARIZONA_FLL_SRC_NONE;

	/* Configure default refclk to 32kHz if we have one */
	regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val);
	switch (val & ARIZONA_CLK_32K_SRC_MASK) {
	case ARIZONA_CLK_SRC_MCLK1:
	case ARIZONA_CLK_SRC_MCLK2:
		fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK;
		break;
	default:
		fll->ref_src = ARIZONA_FLL_SRC_NONE;
	}
	fll->ref_freq = 32768;

	snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id);
	snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
		 "FLL%d clock OK", id);

	regmap_update_bits(arizona->regmap, fll->base + 1,
			   ARIZONA_FLL1_FREERUN, 0);

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_init_fll);

/**
 * arizona_set_output_mode - Set the mode of the specified output
 *
 * @component: Device to configure
 * @output: Output number
 * @diff: True to set the output to differential mode
 *
 * Some systems use external analogue switches to connect more
 * analogue devices to the CODEC than are supported by the device.  In
 * some systems this requires changing the switched output from single
 * ended to differential mode dynamically at runtime, an operation
 * supported using this function.
 *
 * Most systems have a single static configuration and should use
 * platform data instead.
 */
int arizona_set_output_mode(struct snd_soc_component *component, int output,
			    bool diff)
{
	unsigned int reg, val;

	if (output < 1 || output > 6)
		return -EINVAL;

	reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8;

	if (diff)
		val = ARIZONA_OUT1_MONO;
	else
		val = 0;

	return snd_soc_component_update_bits(component, reg,
					     ARIZONA_OUT1_MONO, val);
}
EXPORT_SYMBOL_GPL(arizona_set_output_mode);

static const struct soc_enum arizona_adsp2_rate_enum[] = {
	SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1,
			      ARIZONA_DSP1_RATE_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1,
			      ARIZONA_DSP1_RATE_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
			      ARIZONA_DSP1_RATE_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
	SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP4_CONTROL_1,
			      ARIZONA_DSP1_RATE_SHIFT, 0xf,
			      ARIZONA_RATE_ENUM_SIZE,
			      arizona_rate_text, arizona_rate_val),
};

const struct snd_kcontrol_new arizona_adsp2_rate_controls[] = {
	SOC_ENUM("DSP1 Rate", arizona_adsp2_rate_enum[0]),
	SOC_ENUM("DSP2 Rate", arizona_adsp2_rate_enum[1]),
	SOC_ENUM("DSP3 Rate", arizona_adsp2_rate_enum[2]),
	SOC_ENUM("DSP4 Rate", arizona_adsp2_rate_enum[3]),
};
EXPORT_SYMBOL_GPL(arizona_adsp2_rate_controls);

static bool arizona_eq_filter_unstable(bool mode, __be16 _a, __be16 _b)
{
	s16 a = be16_to_cpu(_a);
	s16 b = be16_to_cpu(_b);

	if (!mode) {
		return abs(a) >= 4096;
	} else {
		if (abs(b) >= 4096)
			return true;

		return (abs((a << 16) / (4096 - b)) >= 4096 << 4);
	}
}

int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
	struct arizona *arizona = dev_get_drvdata(component->dev->parent);
	struct soc_bytes *params = (void *)kcontrol->private_value;
	unsigned int val;
	__be16 *data;
	int len;
	int ret;

	len = params->num_regs * regmap_get_val_bytes(arizona->regmap);

	data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
	if (!data)
		return -ENOMEM;

	data[0] &= cpu_to_be16(ARIZONA_EQ1_B1_MODE);

	if (arizona_eq_filter_unstable(!!data[0], data[1], data[2]) ||
	    arizona_eq_filter_unstable(true, data[4], data[5]) ||
	    arizona_eq_filter_unstable(true, data[8], data[9]) ||
	    arizona_eq_filter_unstable(true, data[12], data[13]) ||
	    arizona_eq_filter_unstable(false, data[16], data[17])) {
		dev_err(arizona->dev, "Rejecting unstable EQ coefficients\n");
		ret = -EINVAL;
		goto out;
	}

	ret = regmap_read(arizona->regmap, params->base, &val);
	if (ret != 0)
		goto out;

	val &= ~ARIZONA_EQ1_B1_MODE;
	data[0] |= cpu_to_be16(val);

	ret = regmap_raw_write(arizona->regmap, params->base, data, len);

out:
	kfree(data);
	return ret;
}
EXPORT_SYMBOL_GPL(arizona_eq_coeff_put);

int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
	struct arizona *arizona = dev_get_drvdata(component->dev->parent);
	__be16 *data = (__be16 *)ucontrol->value.bytes.data;
	s16 val = be16_to_cpu(*data);

	if (abs(val) >= 4096) {
		dev_err(arizona->dev, "Rejecting unstable LHPF coefficients\n");
		return -EINVAL;
	}

	return snd_soc_bytes_put(kcontrol, ucontrol);
}
EXPORT_SYMBOL_GPL(arizona_lhpf_coeff_put);

int arizona_of_get_audio_pdata(struct arizona *arizona)
{
	struct arizona_pdata *pdata = &arizona->pdata;
	struct device_node *np = arizona->dev->of_node;
	struct property *prop;
	const __be32 *cur;
	u32 val;
	u32 pdm_val[ARIZONA_MAX_PDM_SPK];
	int ret;
	int count = 0;

	count = 0;
	of_property_for_each_u32(np, "wlf,inmode", prop, cur, val) {
		if (count == ARRAY_SIZE(pdata->inmode))
			break;

		pdata->inmode[count] = val;
		count++;
	}

	count = 0;
	of_property_for_each_u32(np, "wlf,dmic-ref", prop, cur, val) {
		if (count == ARRAY_SIZE(pdata->dmic_ref))
			break;

		pdata->dmic_ref[count] = val;
		count++;
	}

	count = 0;
	of_property_for_each_u32(np, "wlf,out-mono", prop, cur, val) {
		if (count == ARRAY_SIZE(pdata->out_mono))
			break;

		pdata->out_mono[count] = !!val;
		count++;
	}

	count = 0;
	of_property_for_each_u32(np, "wlf,max-channels-clocked", prop, cur, val) {
		if (count == ARRAY_SIZE(pdata->max_channels_clocked))
			break;

		pdata->max_channels_clocked[count] = val;
		count++;
	}

	count = 0;
	of_property_for_each_u32(np, "wlf,out-volume-limit", prop, cur, val) {
		if (count == ARRAY_SIZE(pdata->out_vol_limit))
			break;

		pdata->out_vol_limit[count] = val;
		count++;
	}

	ret = of_property_read_u32_array(np, "wlf,spk-fmt",
					 pdm_val, ARRAY_SIZE(pdm_val));

	if (ret >= 0)
		for (count = 0; count < ARRAY_SIZE(pdata->spk_fmt); ++count)
			pdata->spk_fmt[count] = pdm_val[count];

	ret = of_property_read_u32_array(np, "wlf,spk-mute",
					 pdm_val, ARRAY_SIZE(pdm_val));

	if (ret >= 0)
		for (count = 0; count < ARRAY_SIZE(pdata->spk_mute); ++count)
			pdata->spk_mute[count] = pdm_val[count];

	return 0;
}
EXPORT_SYMBOL_GPL(arizona_of_get_audio_pdata);

MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");