[deliverable/linux.git] / drivers / mfd / arizona-core.c

/*
 * Arizona core driver
 *
 * Copyright 2012 Wolfson Microelectronics plc
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>

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

#include "arizona.h"

static const char *wm5102_core_supplies[] = {
	"AVDD",
	"DBVDD1",
};

int arizona_clk32k_enable(struct arizona *arizona)
{
	int ret = 0;

	mutex_lock(&arizona->clk_lock);

	arizona->clk32k_ref++;

	if (arizona->clk32k_ref == 1) {
		switch (arizona->pdata.clk32k_src) {
		case ARIZONA_32KZ_MCLK1:
			ret = pm_runtime_get_sync(arizona->dev);
			if (ret != 0)
				goto out;
			break;
		}

		ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
					 ARIZONA_CLK_32K_ENA,
					 ARIZONA_CLK_32K_ENA);
	}

out:
	if (ret != 0)
		arizona->clk32k_ref--;

	mutex_unlock(&arizona->clk_lock);

	return ret;
}
EXPORT_SYMBOL_GPL(arizona_clk32k_enable);

int arizona_clk32k_disable(struct arizona *arizona)
{
	int ret = 0;

	mutex_lock(&arizona->clk_lock);

	BUG_ON(arizona->clk32k_ref <= 0);

	arizona->clk32k_ref--;

	if (arizona->clk32k_ref == 0) {
		regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
				   ARIZONA_CLK_32K_ENA, 0);

		switch (arizona->pdata.clk32k_src) {
		case ARIZONA_32KZ_MCLK1:
			pm_runtime_put_sync(arizona->dev);
			break;
		}
	}

	mutex_unlock(&arizona->clk_lock);

	return ret;
}
EXPORT_SYMBOL_GPL(arizona_clk32k_disable);

static irqreturn_t arizona_clkgen_err(int irq, void *data)
{
	struct arizona *arizona = data;

	dev_err(arizona->dev, "CLKGEN error\n");

	return IRQ_HANDLED;
}

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

	ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
			  &val);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to read underclock status: %d\n",
			ret);
		return IRQ_NONE;
	}

	if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "AIF3 underclocked\n");
	if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "AIF2 underclocked\n");
	if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "AIF1 underclocked\n");
	if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "ISRC2 underclocked\n");
	if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "ISRC1 underclocked\n");
	if (val & ARIZONA_FX_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "FX underclocked\n");
	if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "ASRC underclocked\n");
	if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "DAC underclocked\n");
	if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "ADC underclocked\n");
	if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
		dev_err(arizona->dev, "Mixer dropped sample\n");

	return IRQ_HANDLED;
}

static irqreturn_t arizona_overclocked(int irq, void *data)
{
	struct arizona *arizona = data;
	unsigned int val[2];
	int ret;
	
	ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
			       &val[0], 2);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to read overclock status: %d\n",
			ret);
		return IRQ_NONE;
	}

	if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
		dev_err(arizona->dev, "PWM overclocked\n");
	if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
		dev_err(arizona->dev, "FX core overclocked\n");
	if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
		dev_err(arizona->dev, "DAC SYS overclocked\n");
	if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
		dev_err(arizona->dev, "DAC WARP overclocked\n");
	if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ADC overclocked\n");
	if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
		dev_err(arizona->dev, "Mixer overclocked\n");
	if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
		dev_err(arizona->dev, "AIF3 overclocked\n");
	if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
		dev_err(arizona->dev, "AIF2 overclocked\n");
	if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
		dev_err(arizona->dev, "AIF1 overclocked\n");
	if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
		dev_err(arizona->dev, "Pad control overclocked\n");

	if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
		dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
	if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
		dev_err(arizona->dev, "Slimbus async overclocked\n");
	if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
		dev_err(arizona->dev, "Slimbus sync overclocked\n");
	if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ASRC async system overclocked\n");
	if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ASRC async WARP overclocked\n");
	if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ASRC sync system overclocked\n");
	if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
	if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
		dev_err(arizona->dev, "DSP1 overclocked\n");
	if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ISRC2 overclocked\n");
	if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
		dev_err(arizona->dev, "ISRC1 overclocked\n");

	return IRQ_HANDLED;
}

static int arizona_wait_for_boot(struct arizona *arizona)
{
	unsigned int reg;
	int ret, i;

	/*
	 * We can't use an interrupt as we need to runtime resume to do so,
	 * we won't race with the interrupt handler as it'll be blocked on
	 * runtime resume.
	 */
	for (i = 0; i < 5; i++) {
		msleep(1);

		ret = regmap_read(arizona->regmap,
				  ARIZONA_INTERRUPT_RAW_STATUS_5, &reg);
		if (ret != 0) {
			dev_err(arizona->dev, "Failed to read boot state: %d\n",
				ret);
			continue;
		}

		if (reg & ARIZONA_BOOT_DONE_STS)
			break;
	}

	if (reg & ARIZONA_BOOT_DONE_STS) {
		regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
			     ARIZONA_BOOT_DONE_STS);
	} else {
		dev_err(arizona->dev, "Device boot timed out: %x\n", reg);
		return -ETIMEDOUT;
	}

	pm_runtime_mark_last_busy(arizona->dev);

	return 0;
}

#ifdef CONFIG_PM_RUNTIME
static int arizona_runtime_resume(struct device *dev)
{
	struct arizona *arizona = dev_get_drvdata(dev);
	int ret;

	dev_dbg(arizona->dev, "Leaving AoD mode\n");

	ret = regulator_enable(arizona->dcvdd);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
		return ret;
	}

	regcache_cache_only(arizona->regmap, false);

	ret = arizona_wait_for_boot(arizona);
	if (ret != 0) {
		goto err;
	}

	ret = regcache_sync(arizona->regmap);
	if (ret != 0) {
		dev_err(arizona->dev, "Failed to restore register cache\n");
		goto err;
	}

	return 0;

err:
	regcache_cache_only(arizona->regmap, true);
	regulator_disable(arizona->dcvdd);
	return ret;
}

static int arizona_runtime_suspend(struct device *dev)
{
	struct arizona *arizona = dev_get_drvdata(dev);

	dev_dbg(arizona->dev, "Entering AoD mode\n");

	regulator_disable(arizona->dcvdd);
	regcache_cache_only(arizona->regmap, true);
	regcache_mark_dirty(arizona->regmap);

	return 0;
}
#endif

#ifdef CONFIG_PM_SLEEP
static int arizona_resume_noirq(struct device *dev)
{
	struct arizona *arizona = dev_get_drvdata(dev);

	dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
	disable_irq(arizona->irq);

	return 0;
}

static int arizona_resume(struct device *dev)
{
	struct arizona *arizona = dev_get_drvdata(dev);

	dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
	enable_irq(arizona->irq);

	return 0;
}
#endif

const struct dev_pm_ops arizona_pm_ops = {
	SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
			   arizona_runtime_resume,
			   NULL)
	SET_SYSTEM_SLEEP_PM_OPS(NULL, arizona_resume)
#ifdef CONFIG_PM_SLEEP
	.resume_noirq = arizona_resume_noirq,
#endif
};
EXPORT_SYMBOL_GPL(arizona_pm_ops);

static struct mfd_cell early_devs[] = {
	{ .name = "arizona-ldo1" },
};

static struct mfd_cell wm5102_devs[] = {
	{ .name = "arizona-micsupp" },
	{ .name = "arizona-extcon" },
	{ .name = "arizona-gpio" },
	{ .name = "arizona-haptics" },
	{ .name = "arizona-pwm" },
	{ .name = "wm5102-codec" },
};

static struct mfd_cell wm5110_devs[] = {
	{ .name = "arizona-micsupp" },
	{ .name = "arizona-extcon" },
	{ .name = "arizona-gpio" },
	{ .name = "arizona-haptics" },
	{ .name = "arizona-pwm" },
	{ .name = "wm5110-codec" },
};

int arizona_dev_init(struct arizona *arizona)
{
	struct device *dev = arizona->dev;
	const char *type_name;
	unsigned int reg, val;
	int (*apply_patch)(struct arizona *) = NULL;
	int ret, i;

	dev_set_drvdata(arizona->dev, arizona);
	mutex_init(&arizona->clk_lock);

	if (dev_get_platdata(arizona->dev))
		memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
		       sizeof(arizona->pdata));

	regcache_cache_only(arizona->regmap, true);

	switch (arizona->type) {
	case WM5102:
	case WM5110:
		for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
			arizona->core_supplies[i].supply
				= wm5102_core_supplies[i];
		arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
		break;
	default:
		dev_err(arizona->dev, "Unknown device type %d\n",
			arizona->type);
		return -EINVAL;
	}

	ret = mfd_add_devices(arizona->dev, -1, early_devs,
			      ARRAY_SIZE(early_devs), NULL, 0, NULL);
	if (ret != 0) {
		dev_err(dev, "Failed to add early children: %d\n", ret);
		return ret;
	}

	ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
				      arizona->core_supplies);
	if (ret != 0) {
		dev_err(dev, "Failed to request core supplies: %d\n",
			ret);
		goto err_early;
	}

	arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD");
	if (IS_ERR(arizona->dcvdd)) {
		ret = PTR_ERR(arizona->dcvdd);
		dev_err(dev, "Failed to request DCVDD: %d\n", ret);
		goto err_early;
	}

	ret = regulator_bulk_enable(arizona->num_core_supplies,
				    arizona->core_supplies);
	if (ret != 0) {
		dev_err(dev, "Failed to enable core supplies: %d\n",
			ret);
		goto err_early;
	}

	ret = regulator_enable(arizona->dcvdd);
	if (ret != 0) {
		dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
		goto err_enable;
	}

	if (arizona->pdata.reset) {
		/* Start out with /RESET low to put the chip into reset */
		ret = gpio_request_one(arizona->pdata.reset,
				       GPIOF_DIR_OUT | GPIOF_INIT_LOW,
				       "arizona /RESET");
		if (ret != 0) {
			dev_err(dev, "Failed to request /RESET: %d\n", ret);
			goto err_dcvdd;
		}

		gpio_set_value_cansleep(arizona->pdata.reset, 1);
	}

	regcache_cache_only(arizona->regmap, false);

	ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
	if (ret != 0) {
		dev_err(dev, "Failed to read ID register: %d\n", ret);
		goto err_reset;
	}

	ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
			  &arizona->rev);
	if (ret != 0) {
		dev_err(dev, "Failed to read revision register: %d\n", ret);
		goto err_reset;
	}
	arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;

	switch (reg) {
#ifdef CONFIG_MFD_WM5102
	case 0x5102:
		type_name = "WM5102";
		if (arizona->type != WM5102) {
			dev_err(arizona->dev, "WM5102 registered as %d\n",
				arizona->type);
			arizona->type = WM5102;
		}
		apply_patch = wm5102_patch;
		break;
#endif
#ifdef CONFIG_MFD_WM5110
	case 0x5110:
		type_name = "WM5110";
		if (arizona->type != WM5110) {
			dev_err(arizona->dev, "WM5110 registered as %d\n",
				arizona->type);
			arizona->type = WM5110;
		}
		apply_patch = wm5110_patch;
		break;
#endif
	default:
		dev_err(arizona->dev, "Unknown device ID %x\n", reg);
		goto err_reset;
	}

	dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');

	/* If we have a /RESET GPIO we'll already be reset */
	if (!arizona->pdata.reset) {
		regcache_mark_dirty(arizona->regmap);

		ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
		if (ret != 0) {
			dev_err(dev, "Failed to reset device: %d\n", ret);
			goto err_reset;
		}

		ret = regcache_sync(arizona->regmap);
		if (ret != 0) {
			dev_err(dev, "Failed to sync device: %d\n", ret);
			goto err_reset;
		}
	}

	ret = arizona_wait_for_boot(arizona);
	if (ret != 0) {
		dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
		goto err_reset;
	}

	if (apply_patch) {
		ret = apply_patch(arizona);
		if (ret != 0) {
			dev_err(arizona->dev, "Failed to apply patch: %d\n",
				ret);
			goto err_reset;
		}
	}

	for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
		if (!arizona->pdata.gpio_defaults[i])
			continue;

		regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
			     arizona->pdata.gpio_defaults[i]);
	}

	pm_runtime_set_autosuspend_delay(arizona->dev, 100);
	pm_runtime_use_autosuspend(arizona->dev);
	pm_runtime_enable(arizona->dev);

	/* Chip default */
	if (!arizona->pdata.clk32k_src)
		arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;

	switch (arizona->pdata.clk32k_src) {
	case ARIZONA_32KZ_MCLK1:
	case ARIZONA_32KZ_MCLK2:
		regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
				   ARIZONA_CLK_32K_SRC_MASK,
				   arizona->pdata.clk32k_src - 1);
		break;
	case ARIZONA_32KZ_NONE:
		regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
				   ARIZONA_CLK_32K_SRC_MASK, 2);
		break;
	default:
		dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
			arizona->pdata.clk32k_src);
		ret = -EINVAL;
		goto err_reset;
	}

	for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
		if (!arizona->pdata.micbias[i].mV &&
		    !arizona->pdata.micbias[i].bypass)
			continue;

		/* Apply default for bypass mode */
		if (!arizona->pdata.micbias[i].mV)
			arizona->pdata.micbias[i].mV = 2800;

		val = (arizona->pdata.micbias[i].mV - 1500) / 100;

		val <<= ARIZONA_MICB1_LVL_SHIFT;

		if (arizona->pdata.micbias[i].ext_cap)
			val |= ARIZONA_MICB1_EXT_CAP;

		if (arizona->pdata.micbias[i].discharge)
			val |= ARIZONA_MICB1_DISCH;

		if (arizona->pdata.micbias[i].fast_start)
			val |= ARIZONA_MICB1_RATE;

		if (arizona->pdata.micbias[i].bypass)
			val |= ARIZONA_MICB1_BYPASS;

		regmap_update_bits(arizona->regmap,
				   ARIZONA_MIC_BIAS_CTRL_1 + i,
				   ARIZONA_MICB1_LVL_MASK |
				   ARIZONA_MICB1_DISCH |
				   ARIZONA_MICB1_BYPASS |
				   ARIZONA_MICB1_RATE, val);
	}

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

		regmap_update_bits(arizona->regmap,
				   ARIZONA_IN1L_CONTROL + (i * 8),
				   ARIZONA_IN1_DMIC_SUP_MASK |
				   ARIZONA_IN1_MODE_MASK, val);
	}

	for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
		/* Default is 0 so noop with defaults */
		if (arizona->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 (arizona->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,
					   arizona->pdata.spk_mute[i]);

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

	/* Set up for interrupts */
	ret = arizona_irq_init(arizona);
	if (ret != 0)
		goto err_reset;

	arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
			    arizona_clkgen_err, arizona);
	arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
			    arizona_overclocked, arizona);
	arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
			    arizona_underclocked, arizona);

	switch (arizona->type) {
	case WM5102:
		ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
				      ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
		break;
	case WM5110:
		ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
				      ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
		break;
	}

	if (ret != 0) {
		dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
		goto err_irq;
	}

#ifdef CONFIG_PM_RUNTIME
	regulator_disable(arizona->dcvdd);
#endif

	return 0;

err_irq:
	arizona_irq_exit(arizona);
err_reset:
	if (arizona->pdata.reset) {
		gpio_set_value_cansleep(arizona->pdata.reset, 1);
		gpio_free(arizona->pdata.reset);
	}
err_dcvdd:
	regulator_disable(arizona->dcvdd);
err_enable:
	regulator_bulk_disable(arizona->num_core_supplies,
			       arizona->core_supplies);
err_early:
	mfd_remove_devices(dev);
	return ret;
}
EXPORT_SYMBOL_GPL(arizona_dev_init);

int arizona_dev_exit(struct arizona *arizona)
{
	mfd_remove_devices(arizona->dev);
	arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
	arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
	arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
	pm_runtime_disable(arizona->dev);
	arizona_irq_exit(arizona);
	return 0;
}
EXPORT_SYMBOL_GPL(arizona_dev_exit);
Commit	Line	Data
3cc72986 MB	1	/*
	2	* Arizona core driver
	3	*
	4	* Copyright 2012 Wolfson Microelectronics plc
	5	*
	6	* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/delay.h>
59db9691	14	#include <linux/err.h>
3cc72986 MB	15	#include <linux/gpio.h>
	16	#include <linux/interrupt.h>
	17	#include <linux/mfd/core.h>
	18	#include <linux/module.h>
	19	#include <linux/pm_runtime.h>
	20	#include <linux/regmap.h>
	21	#include <linux/regulator/consumer.h>
	22	#include <linux/slab.h>
	23
	24	#include <linux/mfd/arizona/core.h>
	25	#include <linux/mfd/arizona/registers.h>
	26
	27	#include "arizona.h"
	28
	29	static const char *wm5102_core_supplies[] = {
	30	"AVDD",
	31	"DBVDD1",
3cc72986 MB	32	};
	33
	34	int arizona_clk32k_enable(struct arizona *arizona)
	35	{
	36	int ret = 0;
	37
	38	mutex_lock(&arizona->clk_lock);
	39
	40	arizona->clk32k_ref++;
	41
247fa192 MB	42	if (arizona->clk32k_ref == 1) {
	43	switch (arizona->pdata.clk32k_src) {
	44	case ARIZONA_32KZ_MCLK1:
	45	ret = pm_runtime_get_sync(arizona->dev);
	46	if (ret != 0)
	47	goto out;
	48	break;
	49	}
	50
3cc72986 MB	51	ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
	52	ARIZONA_CLK_32K_ENA,
	53	ARIZONA_CLK_32K_ENA);
247fa192	54	}
3cc72986	55
247fa192	56	out:
3cc72986 MB	57	if (ret != 0)
	58	arizona->clk32k_ref--;
	59
	60	mutex_unlock(&arizona->clk_lock);
	61
	62	return ret;
	63	}
	64	EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
	65
	66	int arizona_clk32k_disable(struct arizona *arizona)
	67	{
	68	int ret = 0;
	69
	70	mutex_lock(&arizona->clk_lock);
	71
	72	BUG_ON(arizona->clk32k_ref <= 0);
	73
	74	arizona->clk32k_ref--;
	75
247fa192	76	if (arizona->clk32k_ref == 0) {
3cc72986 MB	77	regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
	78	ARIZONA_CLK_32K_ENA, 0);
	79
247fa192 MB	80	switch (arizona->pdata.clk32k_src) {
	81	case ARIZONA_32KZ_MCLK1:
	82	pm_runtime_put_sync(arizona->dev);
	83	break;
	84	}
	85	}
	86
3cc72986 MB	87	mutex_unlock(&arizona->clk_lock);
	88
	89	return ret;
	90	}
	91	EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
	92
	93	static irqreturn_t arizona_clkgen_err(int irq, void *data)
	94	{
	95	struct arizona *arizona = data;
	96
	97	dev_err(arizona->dev, "CLKGEN error\n");
	98
	99	return IRQ_HANDLED;
	100	}
	101
	102	static irqreturn_t arizona_underclocked(int irq, void *data)
	103	{
	104	struct arizona *arizona = data;
	105	unsigned int val;
	106	int ret;
	107
	108	ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
	109	&val);
	110	if (ret != 0) {
	111	dev_err(arizona->dev, "Failed to read underclock status: %d\n",
	112	ret);
	113	return IRQ_NONE;
	114	}
	115
3cc72986 MB	116	if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
	117	dev_err(arizona->dev, "AIF3 underclocked\n");
	118	if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
3ebef34d CK	119	dev_err(arizona->dev, "AIF2 underclocked\n");
3ebef34d CK	120	if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
3cc72986 MB	121	dev_err(arizona->dev, "AIF1 underclocked\n");
	122	if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
	123	dev_err(arizona->dev, "ISRC2 underclocked\n");
	124	if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
	125	dev_err(arizona->dev, "ISRC1 underclocked\n");
	126	if (val & ARIZONA_FX_UNDERCLOCKED_STS)
	127	dev_err(arizona->dev, "FX underclocked\n");
	128	if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
	129	dev_err(arizona->dev, "ASRC underclocked\n");
	130	if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
	131	dev_err(arizona->dev, "DAC underclocked\n");
	132	if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
	133	dev_err(arizona->dev, "ADC underclocked\n");
	134	if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
648a9880	135	dev_err(arizona->dev, "Mixer dropped sample\n");
3cc72986 MB	136
	137	return IRQ_HANDLED;
	138	}
	139
	140	static irqreturn_t arizona_overclocked(int irq, void *data)
	141	{
	142	struct arizona *arizona = data;
	143	unsigned int val[2];
	144	int ret;
	145
	146	ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
	147	&val[0], 2);
	148	if (ret != 0) {
	149	dev_err(arizona->dev, "Failed to read overclock status: %d\n",
	150	ret);
	151	return IRQ_NONE;
	152	}
	153
	154	if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
	155	dev_err(arizona->dev, "PWM overclocked\n");
	156	if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
	157	dev_err(arizona->dev, "FX core overclocked\n");
	158	if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
	159	dev_err(arizona->dev, "DAC SYS overclocked\n");
	160	if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
	161	dev_err(arizona->dev, "DAC WARP overclocked\n");
	162	if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
	163	dev_err(arizona->dev, "ADC overclocked\n");
	164	if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
	165	dev_err(arizona->dev, "Mixer overclocked\n");
	166	if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
	167	dev_err(arizona->dev, "AIF3 overclocked\n");
	168	if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
	169	dev_err(arizona->dev, "AIF2 overclocked\n");
	170	if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
	171	dev_err(arizona->dev, "AIF1 overclocked\n");
	172	if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
	173	dev_err(arizona->dev, "Pad control overclocked\n");
	174
	175	if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
	176	dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
	177	if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
	178	dev_err(arizona->dev, "Slimbus async overclocked\n");
	179	if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
	180	dev_err(arizona->dev, "Slimbus sync overclocked\n");
	181	if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
	182	dev_err(arizona->dev, "ASRC async system overclocked\n");
	183	if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
	184	dev_err(arizona->dev, "ASRC async WARP overclocked\n");
	185	if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
	186	dev_err(arizona->dev, "ASRC sync system overclocked\n");
	187	if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
	188	dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
	189	if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
	190	dev_err(arizona->dev, "DSP1 overclocked\n");
	191	if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
	192	dev_err(arizona->dev, "ISRC2 overclocked\n");
	193	if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
	194	dev_err(arizona->dev, "ISRC1 overclocked\n");
	195
	196	return IRQ_HANDLED;
	197	}
	198
	199	static int arizona_wait_for_boot(struct arizona *arizona)
200	{
201	unsigned int reg;
202	int ret, i;
203
204	/*
205	* We can't use an interrupt as we need to runtime resume to do so,
206	* we won't race with the interrupt handler as it'll be blocked on
207	* runtime resume.
208	*/
209	for (i = 0; i < 5; i++) {
210	msleep(1);
211
212	ret = regmap_read(arizona->regmap,
213	ARIZONA_INTERRUPT_RAW_STATUS_5, &reg);
214	if (ret != 0) {
215	dev_err(arizona->dev, "Failed to read boot state: %d\n",
216	ret);
cfe775ce	217	continue;
3cc72986 MB	218	}
	219
	220	if (reg & ARIZONA_BOOT_DONE_STS)
	221	break;
	222	}
	223
	224	if (reg & ARIZONA_BOOT_DONE_STS) {
	225	regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
	226	ARIZONA_BOOT_DONE_STS);
	227	} else {
	228	dev_err(arizona->dev, "Device boot timed out: %x\n", reg);
	229	return -ETIMEDOUT;
	230	}
	231
	232	pm_runtime_mark_last_busy(arizona->dev);
	233
	234	return 0;
	235	}
	236
	237	#ifdef CONFIG_PM_RUNTIME
	238	static int arizona_runtime_resume(struct device *dev)
	239	{
	240	struct arizona *arizona = dev_get_drvdata(dev);
	241	int ret;
	242
508c8299 MB	243	dev_dbg(arizona->dev, "Leaving AoD mode\n");
508c8299 MB	244
59db9691 MB	245	ret = regulator_enable(arizona->dcvdd);
	246	if (ret != 0) {
	247	dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
	248	return ret;
	249	}
3cc72986 MB	250
	251	regcache_cache_only(arizona->regmap, false);
	252
	253	ret = arizona_wait_for_boot(arizona);
5879f571	254	if (ret != 0) {
4816bd1c	255	goto err;
5879f571	256	}
3cc72986	257
9270bdf5 MB	258	ret = regcache_sync(arizona->regmap);
	259	if (ret != 0) {
	260	dev_err(arizona->dev, "Failed to restore register cache\n");
4816bd1c	261	goto err;
9270bdf5	262	}
3cc72986 MB	263
3cc72986 MB	264	return 0;
4816bd1c MB	265
	266	err:
	267	regcache_cache_only(arizona->regmap, true);
	268	regulator_disable(arizona->dcvdd);
	269	return ret;
3cc72986 MB	270	}
	271
	272	static int arizona_runtime_suspend(struct device *dev)
	273	{
	274	struct arizona *arizona = dev_get_drvdata(dev);
	275
508c8299 MB	276	dev_dbg(arizona->dev, "Entering AoD mode\n");
508c8299 MB	277
59db9691 MB	278	regulator_disable(arizona->dcvdd);
	279	regcache_cache_only(arizona->regmap, true);
	280	regcache_mark_dirty(arizona->regmap);
3cc72986 MB	281
	282	return 0;
	283	}
	284	#endif
	285
dc781d0e MB	286	#ifdef CONFIG_PM_SLEEP
	287	static int arizona_resume_noirq(struct device *dev)
	288	{
	289	struct arizona *arizona = dev_get_drvdata(dev);
	290
	291	dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
	292	disable_irq(arizona->irq);
	293
	294	return 0;
	295	}
	296
	297	static int arizona_resume(struct device *dev)
	298	{
	299	struct arizona *arizona = dev_get_drvdata(dev);
	300
	301	dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
	302	enable_irq(arizona->irq);
	303
	304	return 0;
	305	}
	306	#endif
	307
3cc72986 MB	308	const struct dev_pm_ops arizona_pm_ops = {
	309	SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
	310	arizona_runtime_resume,
	311	NULL)
dc781d0e MB	312	SET_SYSTEM_SLEEP_PM_OPS(NULL, arizona_resume)
	313	#ifdef CONFIG_PM_SLEEP
	314	.resume_noirq = arizona_resume_noirq,
	315	#endif
3cc72986 MB	316	};
	317	EXPORT_SYMBOL_GPL(arizona_pm_ops);
	318
	319	static struct mfd_cell early_devs[] = {
	320	{ .name = "arizona-ldo1" },
	321	};
	322
	323	static struct mfd_cell wm5102_devs[] = {
d7768111	324	{ .name = "arizona-micsupp" },
3cc72986 MB	325	{ .name = "arizona-extcon" },
3cc72986 MB	326	{ .name = "arizona-gpio" },
503b1cac	327	{ .name = "arizona-haptics" },
3cc72986 MB	328	{ .name = "arizona-pwm" },
	329	{ .name = "wm5102-codec" },
	330	};
	331
e102befe	332	static struct mfd_cell wm5110_devs[] = {
d7768111	333	{ .name = "arizona-micsupp" },
e102befe MB	334	{ .name = "arizona-extcon" },
e102befe MB	335	{ .name = "arizona-gpio" },
503b1cac	336	{ .name = "arizona-haptics" },
e102befe MB	337	{ .name = "arizona-pwm" },
	338	{ .name = "wm5110-codec" },
	339	};
	340
f791be49	341	int arizona_dev_init(struct arizona *arizona)
3cc72986 MB	342	{
	343	struct device *dev = arizona->dev;
	344	const char *type_name;
	345	unsigned int reg, val;
62d62b59	346	int (apply_patch)(struct arizona ) = NULL;
3cc72986 MB	347	int ret, i;
	348
	349	dev_set_drvdata(arizona->dev, arizona);
	350	mutex_init(&arizona->clk_lock);
	351
	352	if (dev_get_platdata(arizona->dev))
	353	memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
	354	sizeof(arizona->pdata));
	355
	356	regcache_cache_only(arizona->regmap, true);
	357
	358	switch (arizona->type) {
	359	case WM5102:
e102befe	360	case WM5110:
3cc72986 MB	361	for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
	362	arizona->core_supplies[i].supply
	363	= wm5102_core_supplies[i];
	364	arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies);
	365	break;
	366	default:
	367	dev_err(arizona->dev, "Unknown device type %d\n",
	368	arizona->type);
	369	return -EINVAL;
	370	}
	371
	372	ret = mfd_add_devices(arizona->dev, -1, early_devs,
0848c94f	373	ARRAY_SIZE(early_devs), NULL, 0, NULL);
3cc72986 MB	374	if (ret != 0) {
	375	dev_err(dev, "Failed to add early children: %d\n", ret);
	376	return ret;
	377	}
	378
	379	ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies,
	380	arizona->core_supplies);
	381	if (ret != 0) {
	382	dev_err(dev, "Failed to request core supplies: %d\n",
	383	ret);
	384	goto err_early;
	385	}
	386
59db9691 MB	387	arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD");
	388	if (IS_ERR(arizona->dcvdd)) {
	389	ret = PTR_ERR(arizona->dcvdd);
	390	dev_err(dev, "Failed to request DCVDD: %d\n", ret);
	391	goto err_early;
	392	}
	393
3cc72986 MB	394	ret = regulator_bulk_enable(arizona->num_core_supplies,
	395	arizona->core_supplies);
	396	if (ret != 0) {
	397	dev_err(dev, "Failed to enable core supplies: %d\n",
	398	ret);
	399	goto err_early;
	400	}
	401
59db9691 MB	402	ret = regulator_enable(arizona->dcvdd);
	403	if (ret != 0) {
	404	dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
	405	goto err_enable;
	406	}
	407
3cc72986 MB	408	if (arizona->pdata.reset) {
	409	/* Start out with /RESET low to put the chip into reset */
	410	ret = gpio_request_one(arizona->pdata.reset,
	411	GPIOF_DIR_OUT \| GPIOF_INIT_LOW,
	412	"arizona /RESET");
	413	if (ret != 0) {
	414	dev_err(dev, "Failed to request /RESET: %d\n", ret);
59db9691	415	goto err_dcvdd;
3cc72986 MB	416	}
	417
	418	gpio_set_value_cansleep(arizona->pdata.reset, 1);
	419	}
	420
3cc72986 MB	421	regcache_cache_only(arizona->regmap, false);
	422
	423	ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
	424	if (ret != 0) {
	425	dev_err(dev, "Failed to read ID register: %d\n", ret);
59db9691	426	goto err_reset;
3cc72986 MB	427	}
	428
	429	ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION,
	430	&arizona->rev);
	431	if (ret != 0) {
	432	dev_err(dev, "Failed to read revision register: %d\n", ret);
59db9691	433	goto err_reset;
3cc72986 MB	434	}
	435	arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
	436
	437	switch (reg) {
863df8d5	438	#ifdef CONFIG_MFD_WM5102
3cc72986 MB	439	case 0x5102:
	440	type_name = "WM5102";
	441	if (arizona->type != WM5102) {
	442	dev_err(arizona->dev, "WM5102 registered as %d\n",
	443	arizona->type);
	444	arizona->type = WM5102;
	445	}
62d62b59	446	apply_patch = wm5102_patch;
3cc72986	447	break;
e102befe MB	448	#endif
	449	#ifdef CONFIG_MFD_WM5110
	450	case 0x5110:
	451	type_name = "WM5110";
	452	if (arizona->type != WM5110) {
	453	dev_err(arizona->dev, "WM5110 registered as %d\n",
	454	arizona->type);
	455	arizona->type = WM5110;
	456	}
62d62b59	457	apply_patch = wm5110_patch;
e102befe	458	break;
863df8d5	459	#endif
3cc72986 MB	460	default:
3cc72986 MB	461	dev_err(arizona->dev, "Unknown device ID %x\n", reg);
59db9691	462	goto err_reset;
3cc72986 MB	463	}
	464
	465	dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
	466
3cc72986 MB	467	/* If we have a /RESET GPIO we'll already be reset */
3cc72986 MB	468	if (!arizona->pdata.reset) {
46b9d13a CK	469	regcache_mark_dirty(arizona->regmap);
46b9d13a CK	470
3cc72986 MB	471	ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
	472	if (ret != 0) {
	473	dev_err(dev, "Failed to reset device: %d\n", ret);
59db9691	474	goto err_reset;
3cc72986	475	}
46b9d13a CK	476
	477	ret = regcache_sync(arizona->regmap);
	478	if (ret != 0) {
	479	dev_err(dev, "Failed to sync device: %d\n", ret);
	480	goto err_reset;
	481	}
3cc72986 MB	482	}
3cc72986 MB	483
af65a361 MB	484	ret = arizona_wait_for_boot(arizona);
	485	if (ret != 0) {
	486	dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
	487	goto err_reset;
	488	}
3cc72986	489
62d62b59 MB	490	if (apply_patch) {
	491	ret = apply_patch(arizona);
	492	if (ret != 0) {
	493	dev_err(arizona->dev, "Failed to apply patch: %d\n",
	494	ret);
	495	goto err_reset;
	496	}
	497	}
	498
3cc72986 MB	499	for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
	500	if (!arizona->pdata.gpio_defaults[i])
	501	continue;
	502
	503	regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i,
	504	arizona->pdata.gpio_defaults[i]);
	505	}
	506
	507	pm_runtime_set_autosuspend_delay(arizona->dev, 100);
	508	pm_runtime_use_autosuspend(arizona->dev);
	509	pm_runtime_enable(arizona->dev);
	510
	511	/* Chip default */
	512	if (!arizona->pdata.clk32k_src)
	513	arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2;
	514
	515	switch (arizona->pdata.clk32k_src) {
	516	case ARIZONA_32KZ_MCLK1:
	517	case ARIZONA_32KZ_MCLK2:
	518	regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
	519	ARIZONA_CLK_32K_SRC_MASK,
	520	arizona->pdata.clk32k_src - 1);
	521	break;
	522	case ARIZONA_32KZ_NONE:
	523	regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
	524	ARIZONA_CLK_32K_SRC_MASK, 2);
	525	break;
	526	default:
	527	dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n",
	528	arizona->pdata.clk32k_src);
	529	ret = -EINVAL;
59db9691	530	goto err_reset;
3cc72986 MB	531	}
3cc72986 MB	532
3d91f828	533	for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
544c7aad MB	534	if (!arizona->pdata.micbias[i].mV &&
544c7aad MB	535	!arizona->pdata.micbias[i].bypass)
3d91f828 MB	536	continue;
3d91f828 MB	537
544c7aad MB	538	/* Apply default for bypass mode */
	539	if (!arizona->pdata.micbias[i].mV)
	540	arizona->pdata.micbias[i].mV = 2800;
	541
3d91f828	542	val = (arizona->pdata.micbias[i].mV - 1500) / 100;
544c7aad	543
3d91f828 MB	544	val <<= ARIZONA_MICB1_LVL_SHIFT;
	545
	546	if (arizona->pdata.micbias[i].ext_cap)
	547	val \|= ARIZONA_MICB1_EXT_CAP;
	548
	549	if (arizona->pdata.micbias[i].discharge)
	550	val \|= ARIZONA_MICB1_DISCH;
	551
	552	if (arizona->pdata.micbias[i].fast_start)
	553	val \|= ARIZONA_MICB1_RATE;
	554
544c7aad MB	555	if (arizona->pdata.micbias[i].bypass)
	556	val \|= ARIZONA_MICB1_BYPASS;
	557
3d91f828 MB	558	regmap_update_bits(arizona->regmap,
	559	ARIZONA_MIC_BIAS_CTRL_1 + i,
	560	ARIZONA_MICB1_LVL_MASK \|
	561	ARIZONA_MICB1_DISCH \|
544c7aad	562	ARIZONA_MICB1_BYPASS \|
3d91f828 MB	563	ARIZONA_MICB1_RATE, val);
	564	}
	565
3cc72986 MB	566	for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
	567	/* Default for both is 0 so noop with defaults */
	568	val = arizona->pdata.dmic_ref[i]
	569	<< ARIZONA_IN1_DMIC_SUP_SHIFT;
	570	val \|= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT;
	571
	572	regmap_update_bits(arizona->regmap,
	573	ARIZONA_IN1L_CONTROL + (i * 8),
	574	ARIZONA_IN1_DMIC_SUP_MASK \|
	575	ARIZONA_IN1_MODE_MASK, val);
	576	}
	577
	578	for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
	579	/* Default is 0 so noop with defaults */
	580	if (arizona->pdata.out_mono[i])
	581	val = ARIZONA_OUT1_MONO;
	582	else
	583	val = 0;
	584
	585	regmap_update_bits(arizona->regmap,
	586	ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8),
	587	ARIZONA_OUT1_MONO, val);
	588	}
	589
3cc72986 MB	590	for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) {
	591	if (arizona->pdata.spk_mute[i])
	592	regmap_update_bits(arizona->regmap,
2a51da04	593	ARIZONA_PDM_SPK1_CTRL_1 + (i * 2),
3cc72986 MB	594	ARIZONA_SPK1_MUTE_ENDIAN_MASK \|
	595	ARIZONA_SPK1_MUTE_SEQ1_MASK,
	596	arizona->pdata.spk_mute[i]);
	597
	598	if (arizona->pdata.spk_fmt[i])
	599	regmap_update_bits(arizona->regmap,
2a51da04	600	ARIZONA_PDM_SPK1_CTRL_2 + (i * 2),
3cc72986 MB	601	ARIZONA_SPK1_FMT_MASK,
	602	arizona->pdata.spk_fmt[i]);
	603	}
	604
	605	/* Set up for interrupts */
	606	ret = arizona_irq_init(arizona);
	607	if (ret != 0)
59db9691	608	goto err_reset;
3cc72986 MB	609
	610	arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error",
	611	arizona_clkgen_err, arizona);
	612	arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked",
	613	arizona_overclocked, arizona);
	614	arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked",
	615	arizona_underclocked, arizona);
	616
	617	switch (arizona->type) {
	618	case WM5102:
	619	ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
0848c94f	620	ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
e102befe MB	621	break;
	622	case WM5110:
	623	ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
78566afd	624	ARRAY_SIZE(wm5110_devs), NULL, 0, NULL);
3cc72986 MB	625	break;
	626	}
	627
	628	if (ret != 0) {
	629	dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
	630	goto err_irq;
	631	}
	632
59db9691 MB	633	#ifdef CONFIG_PM_RUNTIME
	634	regulator_disable(arizona->dcvdd);
	635	#endif
	636
3cc72986 MB	637	return 0;
	638
	639	err_irq:
	640	arizona_irq_exit(arizona);
3cc72986 MB	641	err_reset:
	642	if (arizona->pdata.reset) {
	643	gpio_set_value_cansleep(arizona->pdata.reset, 1);
	644	gpio_free(arizona->pdata.reset);
	645	}
59db9691 MB	646	err_dcvdd:
59db9691 MB	647	regulator_disable(arizona->dcvdd);
3cc72986	648	err_enable:
3a36a0db	649	regulator_bulk_disable(arizona->num_core_supplies,
3cc72986 MB	650	arizona->core_supplies);
	651	err_early:
	652	mfd_remove_devices(dev);
	653	return ret;
	654	}
	655	EXPORT_SYMBOL_GPL(arizona_dev_init);
	656
4740f73f	657	int arizona_dev_exit(struct arizona *arizona)
3cc72986 MB	658	{
	659	mfd_remove_devices(arizona->dev);
	660	arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
	661	arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
	662	arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
	663	pm_runtime_disable(arizona->dev);
	664	arizona_irq_exit(arizona);
	665	return 0;
	666	}
	667	EXPORT_SYMBOL_GPL(arizona_dev_exit);