drivers/power/supply/qcom/smb5-lib.c

/* Copyright (c) 2018 The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/device.h>
#include <linux/regmap.h>
#include <linux/delay.h>
#include <linux/power_supply.h>
#include <linux/regulator/driver.h>
#include <linux/qpnp/qpnp-revid.h>
#include <linux/irq.h>
#include <linux/pmic-voter.h>
#include "smb5-lib.h"
#include "smb5-reg.h"
#include "battery.h"
#include "step-chg-jeita.h"
#include "storm-watch.h"

#define smblib_err(chg, fmt, ...)		\
	pr_err("%s: %s: " fmt, chg->name,	\
		__func__, ##__VA_ARGS__)	\

#define smblib_dbg(chg, reason, fmt, ...)			\
	do {							\
		if (*chg->debug_mask & (reason))		\
			pr_info("%s: %s: " fmt, chg->name,	\
				__func__, ##__VA_ARGS__);	\
		else						\
			pr_debug("%s: %s: " fmt, chg->name,	\
				__func__, ##__VA_ARGS__);	\
	} while (0)


int smblib_read(struct smb_charger *chg, u16 addr, u8 *val)
{
	unsigned int value;
	int rc = 0;

	rc = regmap_read(chg->regmap, addr, &value);
	if (rc >= 0)
		*val = (u8)value;

	return rc;
}

int smblib_batch_read(struct smb_charger *chg, u16 addr, u8 *val,
			int count)
{
	return regmap_bulk_read(chg->regmap, addr, val, count);
}

int smblib_write(struct smb_charger *chg, u16 addr, u8 val)
{
	return regmap_write(chg->regmap, addr, val);
}

int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val)
{

	return regmap_update_bits(chg->regmap, addr, mask, val);

}

int smblib_get_jeita_cc_delta(struct smb_charger *chg, int *cc_delta_ua)
{
	int rc, cc_minus_ua;
	u8 stat;

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
			rc);
		return rc;
	}

	if (stat & BAT_TEMP_STATUS_HOT_SOFT_BIT) {
		rc = smblib_get_charge_param(chg, &chg->param.jeita_cc_comp_hot,
					&cc_minus_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n",
					rc);
			return rc;
		}
	} else if (stat & BAT_TEMP_STATUS_COLD_SOFT_BIT) {
		rc = smblib_get_charge_param(chg,
					&chg->param.jeita_cc_comp_cold,
					&cc_minus_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n",
					rc);
			return rc;
		}
	} else {
		cc_minus_ua = 0;
	}

	*cc_delta_ua = -cc_minus_ua;

	return 0;
}

int smblib_icl_override(struct smb_charger *chg, bool override)
{
	int rc;

	rc = smblib_masked_write(chg, USBIN_LOAD_CFG_REG,
				ICL_OVERRIDE_AFTER_APSD_BIT,
				override ? ICL_OVERRIDE_AFTER_APSD_BIT : 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't override ICL rc=%d\n", rc);

	return rc;
}

int smblib_stat_sw_override_cfg(struct smb_charger *chg, bool override)
{
	int rc = 0;

	/* override  = 1, SW STAT override; override = 0, HW auto mode */
	rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG,
				SMB_EN_OVERRIDE_BIT,
				override ? SMB_EN_OVERRIDE_BIT : 0);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't configure SW STAT override rc=%d\n",
			rc);
		return rc;
	}

	return rc;
}

/********************
 * REGISTER GETTERS *
 ********************/

int smblib_get_charge_param(struct smb_charger *chg,
			    struct smb_chg_param *param, int *val_u)
{
	int rc = 0;
	u8 val_raw;

	rc = smblib_read(chg, param->reg, &val_raw);
	if (rc < 0) {
		smblib_err(chg, "%s: Couldn't read from 0x%04x rc=%d\n",
			param->name, param->reg, rc);
		return rc;
	}

	if (param->get_proc)
		*val_u = param->get_proc(param, val_raw);
	else
		*val_u = val_raw * param->step_u + param->min_u;
	smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n",
		   param->name, *val_u, val_raw);

	return rc;
}

int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend)
{
	int rc = 0;
	u8 temp;

	rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read USBIN_CMD_IL rc=%d\n", rc);
		return rc;
	}
	*suspend = temp & USBIN_SUSPEND_BIT;

	return rc;
}

struct apsd_result {
	const char * const name;
	const u8 bit;
	const enum power_supply_type pst;
};

enum {
	UNKNOWN,
	SDP,
	CDP,
	DCP,
	OCP,
	FLOAT,
	HVDCP2,
	HVDCP3,
	MAX_TYPES
};

static const struct apsd_result smblib_apsd_results[] = {
	[UNKNOWN] = {
		.name	= "UNKNOWN",
		.bit	= 0,
		.pst	= POWER_SUPPLY_TYPE_UNKNOWN
	},
	[SDP] = {
		.name	= "SDP",
		.bit	= SDP_CHARGER_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB
	},
	[CDP] = {
		.name	= "CDP",
		.bit	= CDP_CHARGER_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB_CDP
	},
	[DCP] = {
		.name	= "DCP",
		.bit	= DCP_CHARGER_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB_DCP
	},
	[OCP] = {
		.name	= "OCP",
		.bit	= OCP_CHARGER_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB_DCP
	},
	[FLOAT] = {
		.name	= "FLOAT",
		.bit	= FLOAT_CHARGER_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB_FLOAT
	},
	[HVDCP2] = {
		.name	= "HVDCP2",
		.bit	= DCP_CHARGER_BIT | QC_2P0_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB_HVDCP
	},
	[HVDCP3] = {
		.name	= "HVDCP3",
		.bit	= DCP_CHARGER_BIT | QC_3P0_BIT,
		.pst	= POWER_SUPPLY_TYPE_USB_HVDCP_3,
	},
};

static const struct apsd_result *smblib_get_apsd_result(struct smb_charger *chg)
{
	int rc, i;
	u8 apsd_stat, stat;
	const struct apsd_result *result = &smblib_apsd_results[UNKNOWN];

	rc = smblib_read(chg, APSD_STATUS_REG, &apsd_stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
		return result;
	}
	smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", apsd_stat);

	if (!(apsd_stat & APSD_DTC_STATUS_DONE_BIT))
		return result;

	rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read APSD_RESULT_STATUS rc=%d\n",
			rc);
		return result;
	}
	stat &= APSD_RESULT_STATUS_MASK;

	for (i = 0; i < ARRAY_SIZE(smblib_apsd_results); i++) {
		if (smblib_apsd_results[i].bit == stat)
			result = &smblib_apsd_results[i];
	}

	if (apsd_stat & QC_CHARGER_BIT) {
		/* since its a qc_charger, either return HVDCP3 or HVDCP2 */
		if (result != &smblib_apsd_results[HVDCP3])
			result = &smblib_apsd_results[HVDCP2];
	}

	return result;
}

/********************
 * REGISTER SETTERS *
 ********************/

int smblib_set_opt_switcher_freq(struct smb_charger *chg, int fsw_khz)
{
	union power_supply_propval pval = {0, };
	int rc = 0;

	rc = smblib_set_charge_param(chg, &chg->param.freq_switcher, fsw_khz);
	if (rc < 0)
		dev_err(chg->dev, "Error in setting freq_buck rc=%d\n", rc);

	if (chg->mode == PARALLEL_MASTER && chg->pl.psy) {
		pval.intval = fsw_khz;
		/*
		 * Some parallel charging implementations may not have
		 * PROP_BUCK_FREQ property - they could be running
		 * with a fixed frequency
		 */
		power_supply_set_property(chg->pl.psy,
				POWER_SUPPLY_PROP_BUCK_FREQ, &pval);
	}

	return rc;
}

int smblib_set_charge_param(struct smb_charger *chg,
			    struct smb_chg_param *param, int val_u)
{
	int rc = 0;
	u8 val_raw;

	if (param->set_proc) {
		rc = param->set_proc(param, val_u, &val_raw);
		if (rc < 0)
			return -EINVAL;
	} else {
		if (val_u > param->max_u || val_u < param->min_u) {
			smblib_err(chg, "%s: %d is out of range [%d, %d]\n",
				param->name, val_u, param->min_u, param->max_u);
			return -EINVAL;
		}

		val_raw = (val_u - param->min_u) / param->step_u;
	}

	rc = smblib_write(chg, param->reg, val_raw);
	if (rc < 0) {
		smblib_err(chg, "%s: Couldn't write 0x%02x to 0x%04x rc=%d\n",
			param->name, val_raw, param->reg, rc);
		return rc;
	}

	smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n",
		   param->name, val_u, val_raw);

	return rc;
}

int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend)
{
	int rc = 0;
	int irq = chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq;

	if (suspend && irq) {
		if (chg->usb_icl_change_irq_enabled) {
			disable_irq_nosync(irq);
			chg->usb_icl_change_irq_enabled = false;
		}
	}

	rc = smblib_masked_write(chg, USBIN_CMD_IL_REG, USBIN_SUSPEND_BIT,
				 suspend ? USBIN_SUSPEND_BIT : 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't write %s to USBIN_SUSPEND_BIT rc=%d\n",
			suspend ? "suspend" : "resume", rc);

	if (!suspend && irq) {
		if (!chg->usb_icl_change_irq_enabled) {
			enable_irq(irq);
			chg->usb_icl_change_irq_enabled = true;
		}
	}

	return rc;
}

int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend)
{
	int rc = 0;

	rc = smblib_masked_write(chg, DCIN_CMD_IL_REG, DCIN_SUSPEND_BIT,
				 suspend ? DCIN_SUSPEND_BIT : 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't write %s to DCIN_SUSPEND_BIT rc=%d\n",
			suspend ? "suspend" : "resume", rc);

	return rc;
}

static int smblib_set_adapter_allowance(struct smb_charger *chg,
					u8 allowed_voltage)
{
	int rc = 0;

	rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage);
	if (rc < 0) {
		smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n",
			allowed_voltage, rc);
		return rc;
	}

	return rc;
}

#define MICRO_5V	5000000
#define MICRO_9V	9000000
#define MICRO_12V	12000000
static int smblib_set_usb_pd_allowed_voltage(struct smb_charger *chg,
					int min_allowed_uv, int max_allowed_uv)
{
	int rc;
	u8 allowed_voltage;

	if (min_allowed_uv == MICRO_5V && max_allowed_uv == MICRO_5V) {
		allowed_voltage = USBIN_ADAPTER_ALLOW_5V;
		smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_5V);
	} else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) {
		allowed_voltage = USBIN_ADAPTER_ALLOW_9V;
		smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_9V);
	} else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) {
		allowed_voltage = USBIN_ADAPTER_ALLOW_12V;
		smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_12V);
	} else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_9V) {
		allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V;
	} else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_12V) {
		allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_12V;
	} else if (min_allowed_uv < MICRO_12V && max_allowed_uv <= MICRO_12V) {
		allowed_voltage = USBIN_ADAPTER_ALLOW_9V_TO_12V;
	} else {
		smblib_err(chg, "invalid allowed voltage [%d, %d]\n",
			min_allowed_uv, max_allowed_uv);
		return -EINVAL;
	}

	rc = smblib_set_adapter_allowance(chg, allowed_voltage);
	if (rc < 0) {
		smblib_err(chg, "Couldn't configure adapter allowance rc=%d\n",
				rc);
		return rc;
	}

	return rc;
}

/********************
 * HELPER FUNCTIONS *
 ********************/
static int smblib_request_dpdm(struct smb_charger *chg, bool enable)
{
	int rc = 0;

	/* fetch the DPDM regulator */
	if (!chg->dpdm_reg && of_get_property(chg->dev->of_node,
				"dpdm-supply", NULL)) {
		chg->dpdm_reg = devm_regulator_get(chg->dev, "dpdm");
		if (IS_ERR(chg->dpdm_reg)) {
			rc = PTR_ERR(chg->dpdm_reg);
			smblib_err(chg, "Couldn't get dpdm regulator rc=%d\n",
					rc);
			chg->dpdm_reg = NULL;
			return rc;
		}
	}

	if (enable) {
		if (chg->dpdm_reg && !regulator_is_enabled(chg->dpdm_reg)) {
			smblib_dbg(chg, PR_MISC, "enabling DPDM regulator\n");
			rc = regulator_enable(chg->dpdm_reg);
			if (rc < 0)
				smblib_err(chg,
					"Couldn't enable dpdm regulator rc=%d\n",
					rc);
		}
	} else {
		if (chg->dpdm_reg && regulator_is_enabled(chg->dpdm_reg)) {
			smblib_dbg(chg, PR_MISC, "disabling DPDM regulator\n");
			rc = regulator_disable(chg->dpdm_reg);
			if (rc < 0)
				smblib_err(chg,
					"Couldn't disable dpdm regulator rc=%d\n",
					rc);
		}
	}

	return rc;
}

static void smblib_rerun_apsd(struct smb_charger *chg)
{
	int rc;

	smblib_dbg(chg, PR_MISC, "re-running APSD\n");

	rc = smblib_masked_write(chg, CMD_APSD_REG,
				APSD_RERUN_BIT, APSD_RERUN_BIT);
	if (rc < 0)
		smblib_err(chg, "Couldn't re-run APSD rc=%d\n", rc);
}

static const struct apsd_result *smblib_update_usb_type(struct smb_charger *chg)
{
	const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);

	/* if PD is active, APSD is disabled so won't have a valid result */
	if (chg->pd_active) {
		chg->real_charger_type = POWER_SUPPLY_TYPE_USB_PD;
	} else {
		/*
		 * Update real charger type only if its not FLOAT
		 * detected as as SDP
		 */
		if (!(apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT &&
			chg->real_charger_type == POWER_SUPPLY_TYPE_USB))
			chg->real_charger_type = apsd_result->pst;
	}

	smblib_dbg(chg, PR_MISC, "APSD=%s PD=%d\n",
					apsd_result->name, chg->pd_active);
	return apsd_result;
}

static int smblib_notifier_call(struct notifier_block *nb,
		unsigned long ev, void *v)
{
	struct power_supply *psy = v;
	struct smb_charger *chg = container_of(nb, struct smb_charger, nb);

	if (!strcmp(psy->desc->name, "bms")) {
		if (!chg->bms_psy)
			chg->bms_psy = psy;
		if (ev == PSY_EVENT_PROP_CHANGED)
			schedule_work(&chg->bms_update_work);
	}

	if (!chg->pl.psy && !strcmp(psy->desc->name, "parallel")) {
		chg->pl.psy = psy;
		schedule_work(&chg->pl_update_work);
	}

	return NOTIFY_OK;
}

static int smblib_register_notifier(struct smb_charger *chg)
{
	int rc;

	chg->nb.notifier_call = smblib_notifier_call;
	rc = power_supply_reg_notifier(&chg->nb);
	if (rc < 0) {
		smblib_err(chg, "Couldn't register psy notifier rc = %d\n", rc);
		return rc;
	}

	return 0;
}

int smblib_mapping_soc_from_field_value(struct smb_chg_param *param,
					     int val_u, u8 *val_raw)
{
	if (val_u > param->max_u || val_u < param->min_u)
		return -EINVAL;

	*val_raw = val_u << 1;

	return 0;
}

int smblib_mapping_cc_delta_to_field_value(struct smb_chg_param *param,
					   u8 val_raw)
{
	int val_u  = val_raw * param->step_u + param->min_u;

	if (val_u > param->max_u)
		val_u -= param->max_u * 2;

	return val_u;
}

int smblib_mapping_cc_delta_from_field_value(struct smb_chg_param *param,
					     int val_u, u8 *val_raw)
{
	if (val_u > param->max_u || val_u < param->min_u - param->max_u)
		return -EINVAL;

	val_u += param->max_u * 2 - param->min_u;
	val_u %= param->max_u * 2;
	*val_raw = val_u / param->step_u;

	return 0;
}

static void smblib_uusb_removal(struct smb_charger *chg)
{
	int rc;
	struct smb_irq_data *data;
	struct storm_watch *wdata;

	cancel_delayed_work_sync(&chg->pl_enable_work);

	rc = smblib_request_dpdm(chg, false);
	if (rc < 0)
		smblib_err(chg, "Couldn't to disable DPDM rc=%d\n", rc);

	if (chg->wa_flags & BOOST_BACK_WA) {
		data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
		if (data) {
			wdata = &data->storm_data;
			update_storm_count(wdata, WEAK_CHG_STORM_COUNT);
			vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0);
			vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
					false, 0);
		}
	}
	vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);
	vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);

	/* reset both usbin current and voltage votes */
	vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0);
	vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0);
	vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0);

	/* reconfigure allowed voltage for HVDCP */
	rc = smblib_set_adapter_allowance(chg,
			USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V);
	if (rc < 0)
		smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n",
			rc);

	chg->voltage_min_uv = MICRO_5V;
	chg->voltage_max_uv = MICRO_5V;
	chg->usb_icl_delta_ua = 0;
	chg->pulse_cnt = 0;
	chg->uusb_apsd_rerun_done = false;

	/* clear USB ICL vote for USB_PSY_VOTER */
	rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't un-vote for USB ICL rc=%d\n", rc);

	/* clear USB ICL vote for DCP_VOTER */
	rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0);
	if (rc < 0)
		smblib_err(chg,
			"Couldn't un-vote DCP from USB ICL rc=%d\n", rc);
}

void smblib_suspend_on_debug_battery(struct smb_charger *chg)
{
	int rc;
	union power_supply_propval val;

	if (!chg->suspend_input_on_debug_batt)
		return;

	rc = power_supply_get_property(chg->bms_psy,
			POWER_SUPPLY_PROP_DEBUG_BATTERY, &val);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get debug battery prop rc=%d\n", rc);
		return;
	}

	vote(chg->usb_icl_votable, DEBUG_BOARD_VOTER, val.intval, 0);
	vote(chg->dc_suspend_votable, DEBUG_BOARD_VOTER, val.intval, 0);
	if (val.intval)
		pr_info("Input suspended: Fake battery\n");
}

int smblib_rerun_apsd_if_required(struct smb_charger *chg)
{
	union power_supply_propval val;
	int rc;

	rc = smblib_get_prop_usb_present(chg, &val);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get usb present rc = %d\n", rc);
		return rc;
	}

	if (!val.intval)
		return 0;

	rc = smblib_request_dpdm(chg, true);
	if (rc < 0)
		smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc);

	chg->uusb_apsd_rerun_done = true;
	smblib_rerun_apsd(chg);

	return 0;
}

static int smblib_get_pulse_cnt(struct smb_charger *chg, int *count)
{
	*count = chg->pulse_cnt;
	return 0;
}

#define USBIN_25MA	25000
#define USBIN_100MA	100000
#define USBIN_150MA	150000
#define USBIN_500MA	500000
#define USBIN_900MA	900000
static int set_sdp_current(struct smb_charger *chg, int icl_ua)
{
	int rc;
	u8 icl_options;
	const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);

	/* power source is SDP */
	switch (icl_ua) {
	case USBIN_100MA:
		/* USB 2.0 100mA */
		icl_options = 0;
		break;
	case USBIN_150MA:
		/* USB 3.0 150mA */
		icl_options = CFG_USB3P0_SEL_BIT;
		break;
	case USBIN_500MA:
		/* USB 2.0 500mA */
		icl_options = USB51_MODE_BIT;
		break;
	case USBIN_900MA:
		/* USB 3.0 900mA */
		icl_options = CFG_USB3P0_SEL_BIT | USB51_MODE_BIT;
		break;
	default:
		smblib_err(chg, "ICL %duA isn't supported for SDP\n", icl_ua);
		return -EINVAL;
	}

	if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB &&
		apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT) {
		/*
		 * change the float charger configuration to SDP, if this
		 * is the case of SDP being detected as FLOAT
		 */
		rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
			FORCE_FLOAT_SDP_CFG_BIT, FORCE_FLOAT_SDP_CFG_BIT);
		if (rc < 0) {
			smblib_err(chg, "Couldn't set float ICL options rc=%d\n",
						rc);
			return rc;
		}
	}

	rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
		CFG_USB3P0_SEL_BIT | USB51_MODE_BIT, icl_options);
	if (rc < 0) {
		smblib_err(chg, "Couldn't set ICL options rc=%d\n", rc);
		return rc;
	}

	return rc;
}

static int get_sdp_current(struct smb_charger *chg, int *icl_ua)
{
	int rc;
	u8 icl_options;
	bool usb3 = false;

	rc = smblib_read(chg, USBIN_ICL_OPTIONS_REG, &icl_options);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get ICL options rc=%d\n", rc);
		return rc;
	}

	usb3 = (icl_options & CFG_USB3P0_SEL_BIT);

	if (icl_options & USB51_MODE_BIT)
		*icl_ua = usb3 ? USBIN_900MA : USBIN_500MA;
	else
		*icl_ua = usb3 ? USBIN_150MA : USBIN_100MA;

	return rc;
}

int smblib_set_icl_current(struct smb_charger *chg, int icl_ua)
{
	int rc = 0;
	bool override;

	/* suspend and return if 25mA or less is requested */
	if (icl_ua <= USBIN_25MA)
		return smblib_set_usb_suspend(chg, true);

	if (icl_ua == INT_MAX)
		goto override_suspend_config;

	/* configure current */
	if (chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT
		&& (chg->real_charger_type == POWER_SUPPLY_TYPE_USB)) {
		rc = set_sdp_current(chg, icl_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't set SDP ICL rc=%d\n", rc);
			goto enable_icl_changed_interrupt;
		}
	} else {
		set_sdp_current(chg, 100000);
		rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't set HC ICL rc=%d\n", rc);
			goto enable_icl_changed_interrupt;
		}
	}

override_suspend_config:
	/* determine if override needs to be enforced */
	override = true;
	if (icl_ua == INT_MAX) {
		/* remove override if no voters - hw defaults is desired */
		override = false;
	} else if (chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) {
		if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB)
			/* For std cable with type = SDP never override */
			override = false;
		else if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_CDP
			&& icl_ua == 1500000)
			/*
			 * For std cable with type = CDP override only if
			 * current is not 1500mA
			 */
			override = false;
	}

	/* enforce override */
	rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
		USBIN_MODE_CHG_BIT, override ? USBIN_MODE_CHG_BIT : 0);

	rc = smblib_icl_override(chg, override);
	if (rc < 0) {
		smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc);
		goto enable_icl_changed_interrupt;
	}

	/* unsuspend after configuring current and override */
	rc = smblib_set_usb_suspend(chg, false);
	if (rc < 0) {
		smblib_err(chg, "Couldn't resume input rc=%d\n", rc);
		goto enable_icl_changed_interrupt;
	}

enable_icl_changed_interrupt:
	return rc;
}

int smblib_get_icl_current(struct smb_charger *chg, int *icl_ua)
{
	int rc = 0;
	u8 load_cfg;
	bool override;

	if ((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT
		|| chg->micro_usb_mode)
		&& (chg->usb_psy->desc->type == POWER_SUPPLY_TYPE_USB)) {
		rc = get_sdp_current(chg, icl_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't get SDP ICL rc=%d\n", rc);
			return rc;
		}
	} else {
		rc = smblib_read(chg, USBIN_LOAD_CFG_REG, &load_cfg);
		if (rc < 0) {
			smblib_err(chg, "Couldn't get load cfg rc=%d\n", rc);
			return rc;
		}
		override = load_cfg & ICL_OVERRIDE_AFTER_APSD_BIT;
		if (!override)
			return INT_MAX;

		/* override is set */
		rc = smblib_get_charge_param(chg, &chg->param.usb_icl, icl_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't get HC ICL rc=%d\n", rc);
			return rc;
		}
	}

	return 0;
}

/*********************
 * VOTABLE CALLBACKS *
 *********************/

static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data,
			int suspend, const char *client)
{
	struct smb_charger *chg = data;

	/* resume input if suspend is invalid */
	if (suspend < 0)
		suspend = 0;

	return smblib_set_dc_suspend(chg, (bool)suspend);
}

static int smblib_pd_disallowed_votable_indirect_callback(
	struct votable *votable, void *data, int disallowed, const char *client)
{
	struct smb_charger *chg = data;
	int rc;

	rc = vote(chg->pd_allowed_votable, PD_DISALLOWED_INDIRECT_VOTER,
		!disallowed, 0);

	return rc;
}

static int smblib_awake_vote_callback(struct votable *votable, void *data,
			int awake, const char *client)
{
	struct smb_charger *chg = data;

	if (awake)
		pm_stay_awake(chg->dev);
	else
		pm_relax(chg->dev);

	return 0;
}

static int smblib_chg_disable_vote_callback(struct votable *votable, void *data,
			int chg_disable, const char *client)
{
	struct smb_charger *chg = data;
	int rc;

	rc = smblib_masked_write(chg, CHARGING_ENABLE_CMD_REG,
				 CHARGING_ENABLE_CMD_BIT,
				 chg_disable ? 0 : CHARGING_ENABLE_CMD_BIT);
	if (rc < 0) {
		smblib_err(chg, "Couldn't %s charging rc=%d\n",
			chg_disable ? "disable" : "enable", rc);
		return rc;
	}

	return 0;
}

static int smblib_usb_irq_enable_vote_callback(struct votable *votable,
				void *data, int enable, const char *client)
{
	struct smb_charger *chg = data;

	if (!chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq ||
				!chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq)
		return 0;

	if (enable) {
		enable_irq(chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq);
		enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
	} else {
		disable_irq_nosync(
			chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq);
		disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
	}

	return 0;
}

/*******************
 * VCONN REGULATOR *
 * *****************/

int smblib_vconn_regulator_enable(struct regulator_dev *rdev)
{
	struct smb_charger *chg = rdev_get_drvdata(rdev);
	int rc = 0;

	smblib_dbg(chg, PR_OTG, "enabling VCONN\n");

	rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG,
				 VCONN_EN_VALUE_BIT, VCONN_EN_VALUE_BIT);
	if (rc < 0) {
		smblib_err(chg, "Couldn't enable vconn setting rc=%d\n", rc);
		return rc;
	}

	return 0;
}

int smblib_vconn_regulator_disable(struct regulator_dev *rdev)
{
	struct smb_charger *chg = rdev_get_drvdata(rdev);
	int rc = 0;

	smblib_dbg(chg, PR_OTG, "disabling VCONN\n");
	rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG,
				 VCONN_EN_VALUE_BIT, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't disable vconn regulator rc=%d\n", rc);

	return 0;
}

int smblib_vconn_regulator_is_enabled(struct regulator_dev *rdev)
{
	struct smb_charger *chg = rdev_get_drvdata(rdev);
	int rc;
	u8 cmd;

	rc = smblib_read(chg, TYPE_C_VCONN_CONTROL_REG, &cmd);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
			rc);
		return rc;
	}

	return (cmd & VCONN_EN_VALUE_BIT) ? 1 : 0;
}

/*****************
 * OTG REGULATOR *
 *****************/

int smblib_vbus_regulator_enable(struct regulator_dev *rdev)
{
	struct smb_charger *chg = rdev_get_drvdata(rdev);
	int rc;

	smblib_dbg(chg, PR_OTG, "enabling OTG\n");

	rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, OTG_EN_BIT);
	if (rc < 0) {
		smblib_err(chg, "Couldn't enable OTG rc=%d\n", rc);
		return rc;
	}

	return 0;
}

int smblib_vbus_regulator_disable(struct regulator_dev *rdev)
{
	struct smb_charger *chg = rdev_get_drvdata(rdev);
	int rc;

	smblib_dbg(chg, PR_OTG, "disabling OTG\n");

	rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, 0);
	if (rc < 0) {
		smblib_err(chg, "Couldn't disable OTG regulator rc=%d\n", rc);
		return rc;
	}

	return 0;
}

int smblib_vbus_regulator_is_enabled(struct regulator_dev *rdev)
{
	struct smb_charger *chg = rdev_get_drvdata(rdev);
	int rc = 0;
	u8 cmd;

	rc = smblib_read(chg, DCDC_CMD_OTG_REG, &cmd);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read CMD_OTG rc=%d", rc);
		return rc;
	}

	return (cmd & OTG_EN_BIT) ? 1 : 0;
}

/********************
 * BATT PSY GETTERS *
 ********************/

int smblib_get_prop_input_suspend(struct smb_charger *chg,
				  union power_supply_propval *val)
{
	val->intval
		= (get_client_vote(chg->usb_icl_votable, USER_VOTER) == 0)
		 && get_client_vote(chg->dc_suspend_votable, USER_VOTER);
	return 0;
}

int smblib_get_prop_batt_present(struct smb_charger *chg,
				union power_supply_propval *val)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, BATIF_BASE + INT_RT_STS_OFFSET, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATIF_INT_RT_STS rc=%d\n", rc);
		return rc;
	}

	val->intval = !(stat & (BAT_THERM_OR_ID_MISSING_RT_STS_BIT
					| BAT_TERMINAL_MISSING_RT_STS_BIT));

	return rc;
}

int smblib_get_prop_batt_capacity(struct smb_charger *chg,
				  union power_supply_propval *val)
{
	int rc = -EINVAL;

	if (chg->fake_capacity >= 0) {
		val->intval = chg->fake_capacity;
		return 0;
	}

	if (chg->bms_psy)
		rc = power_supply_get_property(chg->bms_psy,
				POWER_SUPPLY_PROP_CAPACITY, val);
	return rc;
}

int smblib_get_prop_batt_status(struct smb_charger *chg,
				union power_supply_propval *val)
{
	union power_supply_propval pval = {0, };
	bool usb_online, dc_online;
	u8 stat;
	int rc;

	rc = smblib_get_prop_usb_online(chg, &pval);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get usb online property rc=%d\n",
			rc);
		return rc;
	}
	usb_online = (bool)pval.intval;

	rc = smblib_get_prop_dc_online(chg, &pval);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get dc online property rc=%d\n",
			rc);
		return rc;
	}
	dc_online = (bool)pval.intval;

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
			rc);
		return rc;
	}
	stat = stat & BATTERY_CHARGER_STATUS_MASK;

	if (!usb_online && !dc_online) {
		switch (stat) {
		case TERMINATE_CHARGE:
		case INHIBIT_CHARGE:
			val->intval = POWER_SUPPLY_STATUS_FULL;
			break;
		default:
			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
			break;
		}
		return rc;
	}

	switch (stat) {
	case TRICKLE_CHARGE:
	case PRE_CHARGE:
	case FULLON_CHARGE:
	case TAPER_CHARGE:
		val->intval = POWER_SUPPLY_STATUS_CHARGING;
		break;
	case TERMINATE_CHARGE:
	case INHIBIT_CHARGE:
		val->intval = POWER_SUPPLY_STATUS_FULL;
		break;
	case DISABLE_CHARGE:
		val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
		break;
	default:
		val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
		break;
	}

	if (val->intval != POWER_SUPPLY_STATUS_CHARGING)
		return 0;

	if (!usb_online && dc_online
		&& chg->fake_batt_status == POWER_SUPPLY_STATUS_FULL) {
		val->intval = POWER_SUPPLY_STATUS_FULL;
		return 0;
	}

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_5_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
				rc);
			return rc;
	}

	stat &= ENABLE_TRICKLE_BIT | ENABLE_PRE_CHARGING_BIT |
						ENABLE_FULLON_MODE_BIT;

	if (!stat)
		val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;

	return 0;
}

int smblib_get_prop_batt_charge_type(struct smb_charger *chg,
				union power_supply_propval *val)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
			rc);
		return rc;
	}

	switch (stat & BATTERY_CHARGER_STATUS_MASK) {
	case TRICKLE_CHARGE:
	case PRE_CHARGE:
		val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
		break;
	case FULLON_CHARGE:
		val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
		break;
	case TAPER_CHARGE:
		val->intval = POWER_SUPPLY_CHARGE_TYPE_TAPER;
		break;
	default:
		val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
	}

	return rc;
}

int smblib_get_prop_batt_health(struct smb_charger *chg,
				union power_supply_propval *val)
{
	union power_supply_propval pval;
	int rc;
	int effective_fv_uv;
	u8 stat;

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
			rc);
		return rc;
	}
	smblib_dbg(chg, PR_REGISTER, "BATTERY_CHARGER_STATUS_2 = 0x%02x\n",
		   stat);

	if (stat & CHARGER_ERROR_STATUS_BAT_OV_BIT) {
		rc = smblib_get_prop_batt_voltage_now(chg, &pval);
		if (!rc) {
			/*
			 * If Vbatt is within 40mV above Vfloat, then don't
			 * treat it as overvoltage.
			 */
			effective_fv_uv = get_effective_result(chg->fv_votable);
			if (pval.intval >= effective_fv_uv + 40000) {
				val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
				smblib_err(chg, "battery over-voltage vbat_fg = %duV, fv = %duV\n",
						pval.intval, effective_fv_uv);
				goto done;
			}
		}
	}

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
			rc);
		return rc;
	}
	if (stat & BAT_TEMP_STATUS_TOO_COLD_BIT)
		val->intval = POWER_SUPPLY_HEALTH_COLD;
	else if (stat & BAT_TEMP_STATUS_TOO_HOT_BIT)
		val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
	else if (stat & BAT_TEMP_STATUS_COLD_SOFT_BIT)
		val->intval = POWER_SUPPLY_HEALTH_COOL;
	else if (stat & BAT_TEMP_STATUS_HOT_SOFT_BIT)
		val->intval = POWER_SUPPLY_HEALTH_WARM;
	else
		val->intval = POWER_SUPPLY_HEALTH_GOOD;

done:
	return rc;
}

int smblib_get_prop_system_temp_level(struct smb_charger *chg,
				union power_supply_propval *val)
{
	val->intval = chg->system_temp_level;
	return 0;
}

int smblib_get_prop_system_temp_level_max(struct smb_charger *chg,
				union power_supply_propval *val)
{
	val->intval = chg->thermal_levels;
	return 0;
}

int smblib_get_prop_input_current_limited(struct smb_charger *chg,
				union power_supply_propval *val)
{
	u8 stat;
	int rc;

	if (chg->fake_input_current_limited >= 0) {
		val->intval = chg->fake_input_current_limited;
		return 0;
	}

	rc = smblib_read(chg, AICL_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n", rc);
		return rc;
	}
	val->intval = (stat & SOFT_ILIMIT_BIT) || chg->is_hdc;
	return 0;
}

int smblib_get_prop_batt_voltage_now(struct smb_charger *chg,
				     union power_supply_propval *val)
{
	int rc;

	if (!chg->bms_psy)
		return -EINVAL;

	rc = power_supply_get_property(chg->bms_psy,
				       POWER_SUPPLY_PROP_VOLTAGE_NOW, val);
	return rc;
}

int smblib_get_prop_batt_current_now(struct smb_charger *chg,
				     union power_supply_propval *val)
{
	int rc;

	if (!chg->bms_psy)
		return -EINVAL;

	rc = power_supply_get_property(chg->bms_psy,
				       POWER_SUPPLY_PROP_CURRENT_NOW, val);
	return rc;
}

int smblib_get_prop_batt_temp(struct smb_charger *chg,
			      union power_supply_propval *val)
{
	int rc;

	if (!chg->bms_psy)
		return -EINVAL;

	rc = power_supply_get_property(chg->bms_psy,
				       POWER_SUPPLY_PROP_TEMP, val);
	return rc;
}

int smblib_get_prop_batt_charge_done(struct smb_charger *chg,
					union power_supply_propval *val)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
			rc);
		return rc;
	}

	stat = stat & BATTERY_CHARGER_STATUS_MASK;
	val->intval = (stat == TERMINATE_CHARGE);
	return 0;
}

int smblib_get_prop_batt_charge_counter(struct smb_charger *chg,
				     union power_supply_propval *val)
{
	int rc;

	if (!chg->bms_psy)
		return -EINVAL;

	rc = power_supply_get_property(chg->bms_psy,
				       POWER_SUPPLY_PROP_CHARGE_COUNTER, val);
	return rc;
}

/***********************
 * BATTERY PSY SETTERS *
 ***********************/

int smblib_set_prop_input_suspend(struct smb_charger *chg,
				  const union power_supply_propval *val)
{
	int rc;

	/* vote 0mA when suspended */
	rc = vote(chg->usb_icl_votable, USER_VOTER, (bool)val->intval, 0);
	if (rc < 0) {
		smblib_err(chg, "Couldn't vote to %s USB rc=%d\n",
			(bool)val->intval ? "suspend" : "resume", rc);
		return rc;
	}

	rc = vote(chg->dc_suspend_votable, USER_VOTER, (bool)val->intval, 0);
	if (rc < 0) {
		smblib_err(chg, "Couldn't vote to %s DC rc=%d\n",
			(bool)val->intval ? "suspend" : "resume", rc);
		return rc;
	}

	power_supply_changed(chg->batt_psy);
	return rc;
}

int smblib_set_prop_batt_capacity(struct smb_charger *chg,
				  const union power_supply_propval *val)
{
	chg->fake_capacity = val->intval;

	power_supply_changed(chg->batt_psy);

	return 0;
}

int smblib_set_prop_batt_status(struct smb_charger *chg,
				  const union power_supply_propval *val)
{
	/* Faking battery full */
	if (val->intval == POWER_SUPPLY_STATUS_FULL)
		chg->fake_batt_status = val->intval;
	else
		chg->fake_batt_status = -EINVAL;

	power_supply_changed(chg->batt_psy);

	return 0;
}

int smblib_set_prop_system_temp_level(struct smb_charger *chg,
				const union power_supply_propval *val)
{
	if (val->intval < 0)
		return -EINVAL;

	if (chg->thermal_levels <= 0)
		return -EINVAL;

	if (val->intval > chg->thermal_levels)
		return -EINVAL;

	chg->system_temp_level = val->intval;
	/* disable parallel charge in case of system temp level */
	vote(chg->pl_disable_votable, THERMAL_DAEMON_VOTER,
			chg->system_temp_level ? true : false, 0);

	if (chg->system_temp_level == chg->thermal_levels)
		return vote(chg->chg_disable_votable,
			THERMAL_DAEMON_VOTER, true, 0);

	vote(chg->chg_disable_votable, THERMAL_DAEMON_VOTER, false, 0);
	if (chg->system_temp_level == 0)
		return vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, false, 0);

	vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, true,
			chg->thermal_mitigation[chg->system_temp_level]);
	return 0;
}

int smblib_set_prop_input_current_limited(struct smb_charger *chg,
				const union power_supply_propval *val)
{
	chg->fake_input_current_limited = val->intval;
	return 0;
}

int smblib_rerun_aicl(struct smb_charger *chg)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
								rc);
		return rc;
	}

	/* USB is suspended so skip re-running AICL */
	if (stat & USBIN_SUSPEND_STS_BIT)
		return rc;

	smblib_dbg(chg, PR_MISC, "re-running AICL\n");

	rc = smblib_masked_write(chg, AICL_CMD_REG, RERUN_AICL_BIT,
				RERUN_AICL_BIT);
	if (rc < 0)
		smblib_err(chg, "Couldn't write to AICL_CMD_REG rc=%d\n",
				rc);
	return 0;
}

static int smblib_dp_pulse(struct smb_charger *chg)
{
	int rc;

	/* QC 3.0 increment */
	rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_INCREMENT_BIT,
			SINGLE_INCREMENT_BIT);
	if (rc < 0)
		smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n",
				rc);

	return rc;
}

static int smblib_dm_pulse(struct smb_charger *chg)
{
	int rc;

	/* QC 3.0 decrement */
	rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_DECREMENT_BIT,
			SINGLE_DECREMENT_BIT);
	if (rc < 0)
		smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n",
				rc);

	return rc;
}

int smblib_dp_dm(struct smb_charger *chg, int val)
{
	int target_icl_ua, rc = 0;
	union power_supply_propval pval;

	switch (val) {
	case POWER_SUPPLY_DP_DM_DP_PULSE:
		rc = smblib_dp_pulse(chg);
		if (!rc)
			chg->pulse_cnt++;
		smblib_dbg(chg, PR_PARALLEL, "DP_DM_DP_PULSE rc=%d cnt=%d\n",
				rc, chg->pulse_cnt);
		break;
	case POWER_SUPPLY_DP_DM_DM_PULSE:
		rc = smblib_dm_pulse(chg);
		if (!rc && chg->pulse_cnt)
			chg->pulse_cnt--;
		smblib_dbg(chg, PR_PARALLEL, "DP_DM_DM_PULSE rc=%d cnt=%d\n",
				rc, chg->pulse_cnt);
		break;
	case POWER_SUPPLY_DP_DM_ICL_DOWN:
		target_icl_ua = get_effective_result(chg->usb_icl_votable);
		if (target_icl_ua < 0) {
			/* no client vote, get the ICL from charger */
			rc = power_supply_get_property(chg->usb_psy,
					POWER_SUPPLY_PROP_HW_CURRENT_MAX,
					&pval);
			if (rc < 0) {
				smblib_err(chg, "Couldn't get max curr rc=%d\n",
					rc);
				return rc;
			}
			target_icl_ua = pval.intval;
		}

		/*
		 * Check if any other voter voted on USB_ICL in case of
		 * voter other than SW_QC3_VOTER reset and restart reduction
		 * again.
		 */
		if (target_icl_ua != get_client_vote(chg->usb_icl_votable,
							SW_QC3_VOTER))
			chg->usb_icl_delta_ua = 0;

		chg->usb_icl_delta_ua += 100000;
		vote(chg->usb_icl_votable, SW_QC3_VOTER, true,
						target_icl_ua - 100000);
		smblib_dbg(chg, PR_PARALLEL, "ICL DOWN ICL=%d reduction=%d\n",
				target_icl_ua, chg->usb_icl_delta_ua);
		break;
	case POWER_SUPPLY_DP_DM_ICL_UP:
	default:
		break;
	}

	return rc;
}

int smblib_disable_hw_jeita(struct smb_charger *chg, bool disable)
{
	int rc;
	u8 mask;

	/*
	 * Disable h/w base JEITA compensation if s/w JEITA is enabled
	 */
	mask = JEITA_EN_COLD_SL_FCV_BIT
		| JEITA_EN_HOT_SL_FCV_BIT
		| JEITA_EN_HOT_SL_CCC_BIT
		| JEITA_EN_COLD_SL_CCC_BIT,
	rc = smblib_masked_write(chg, JEITA_EN_CFG_REG, mask,
			disable ? 0 : mask);
	if (rc < 0) {
		dev_err(chg->dev, "Couldn't configure s/w jeita rc=%d\n",
				rc);
		return rc;
	}
	return 0;
}

/*******************
 * DC PSY GETTERS *
 *******************/

int smblib_get_prop_dc_present(struct smb_charger *chg,
				union power_supply_propval *val)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, DCIN_BASE + INT_RT_STS_OFFSET, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read DCIN_RT_STS rc=%d\n", rc);
		return rc;
	}

	val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT);
	return 0;
}

int smblib_get_prop_dc_online(struct smb_charger *chg,
			       union power_supply_propval *val)
{
	int rc = 0;
	u8 stat;

	if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) {
		val->intval = false;
		return rc;
	}

	rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
			rc);
		return rc;
	}
	smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n",
		   stat);

	val->intval = (stat & USE_DCIN_BIT) &&
		      (stat & VALID_INPUT_POWER_SOURCE_STS_BIT);

	return rc;
}

/*******************
 * USB PSY GETTERS *
 *******************/

int smblib_get_prop_usb_present(struct smb_charger *chg,
				union power_supply_propval *val)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read USBIN_RT_STS rc=%d\n", rc);
		return rc;
	}

	val->intval = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT);
	return 0;
}

int smblib_get_prop_usb_online(struct smb_charger *chg,
			       union power_supply_propval *val)
{
	int rc = 0;
	u8 stat;

	if (get_client_vote_locked(chg->usb_icl_votable, USER_VOTER) == 0) {
		val->intval = false;
		return rc;
	}

	rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
			rc);
		return rc;
	}
	smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n",
		   stat);

	val->intval = (stat & USE_USBIN_BIT) &&
		      (stat & VALID_INPUT_POWER_SOURCE_STS_BIT);
	return rc;
}

int smblib_get_prop_usb_voltage_max(struct smb_charger *chg,
				    union power_supply_propval *val)
{
	switch (chg->real_charger_type) {
	case POWER_SUPPLY_TYPE_USB_HVDCP:
	case POWER_SUPPLY_TYPE_USB_PD:
		val->intval = MICRO_12V;
	default:
		val->intval = MICRO_5V;
		break;
	}

	return 0;
}

int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg,
					 union power_supply_propval *val)
{
	int rc = 0;
	u8 stat;

	rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
		return rc;
	}
	smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat);

	if (stat & CC_ATTACHED_BIT)
		val->intval = (bool)(stat & CC_ORIENTATION_BIT) + 1;
	else
		val->intval = 0;

	return rc;
}

static const char * const smblib_typec_mode_name[] = {
	[POWER_SUPPLY_TYPEC_NONE]		  = "NONE",
	[POWER_SUPPLY_TYPEC_SOURCE_DEFAULT]	  = "SOURCE_DEFAULT",
	[POWER_SUPPLY_TYPEC_SOURCE_MEDIUM]	  = "SOURCE_MEDIUM",
	[POWER_SUPPLY_TYPEC_SOURCE_HIGH]	  = "SOURCE_HIGH",
	[POWER_SUPPLY_TYPEC_NON_COMPLIANT]	  = "NON_COMPLIANT",
	[POWER_SUPPLY_TYPEC_SINK]		  = "SINK",
	[POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE]   = "SINK_POWERED_CABLE",
	[POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY] = "SINK_DEBUG_ACCESSORY",
	[POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER]   = "SINK_AUDIO_ADAPTER",
	[POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY]   = "POWERED_CABLE_ONLY",
};

static int smblib_get_prop_ufp_mode(struct smb_charger *chg)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, TYPE_C_SNK_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_1 rc=%d\n", rc);
		return POWER_SUPPLY_TYPEC_NONE;
	}
	smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_1 = 0x%02x\n", stat);

	switch (stat & DETECTED_SRC_TYPE_MASK) {
	case SNK_RP_STD_BIT:
		return POWER_SUPPLY_TYPEC_SOURCE_DEFAULT;
	case SNK_RP_1P5_BIT:
		return POWER_SUPPLY_TYPEC_SOURCE_MEDIUM;
	case SNK_RP_3P0_BIT:
		return POWER_SUPPLY_TYPEC_SOURCE_HIGH;
	default:
		break;
	}

	return POWER_SUPPLY_TYPEC_NONE;
}

static int smblib_get_prop_dfp_mode(struct smb_charger *chg)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n",
				rc);
		return POWER_SUPPLY_TYPEC_NONE;
	}
	smblib_dbg(chg, PR_REGISTER, "TYPE_C_SRC_STATUS_REG = 0x%02x\n", stat);

	switch (stat & DETECTED_SNK_TYPE_MASK) {
	case AUDIO_ACCESS_RA_RA_BIT:
		return POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER;
	case SRC_DEBUG_ACCESS_BIT:
		return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY;
	case SRC_RD_RA_VCONN_BIT:
		return POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE;
	case SRC_RD_OPEN_BIT:
		return POWER_SUPPLY_TYPEC_SINK;
	default:
		break;
	}

	return POWER_SUPPLY_TYPEC_NONE;
}

static int smblib_get_prop_typec_mode(struct smb_charger *chg)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n",
				rc);
		return 0;
	}
	smblib_dbg(chg, PR_REGISTER, "TYPE_C_MISC_STATUS_REG = 0x%02x\n", stat);

	if (stat & SNK_SRC_MODE_BIT)
		return smblib_get_prop_dfp_mode(chg);
	else
		return smblib_get_prop_ufp_mode(chg);
}

int smblib_get_prop_typec_power_role(struct smb_charger *chg,
				     union power_supply_propval *val)
{
	int rc = 0;
	u8 ctrl;

	rc = smblib_read(chg, TYPE_C_MODE_CFG_REG, &ctrl);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_MODE_CFG_REG rc=%d\n",
			rc);
		return rc;
	}
	smblib_dbg(chg, PR_REGISTER, "TYPE_C_MODE_CFG_REG = 0x%02x\n",
		   ctrl);

	if (ctrl & TYPEC_DISABLE_CMD_BIT) {
		val->intval = POWER_SUPPLY_TYPEC_PR_NONE;
		return rc;
	}

	switch (ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT)) {
	case 0:
		val->intval = POWER_SUPPLY_TYPEC_PR_DUAL;
		break;
	case EN_SRC_ONLY_BIT:
		val->intval = POWER_SUPPLY_TYPEC_PR_SOURCE;
		break;
	case EN_SNK_ONLY_BIT:
		val->intval = POWER_SUPPLY_TYPEC_PR_SINK;
		break;
	default:
		val->intval = POWER_SUPPLY_TYPEC_PR_NONE;
		smblib_err(chg, "unsupported power role 0x%02lx\n",
			ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT));
		return -EINVAL;
	}

	return rc;
}

int smblib_get_prop_pd_allowed(struct smb_charger *chg,
			       union power_supply_propval *val)
{
	val->intval = get_effective_result(chg->pd_allowed_votable);
	return 0;
}

int smblib_get_prop_input_current_settled(struct smb_charger *chg,
					  union power_supply_propval *val)
{
	return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval);
}

#define HVDCP3_STEP_UV	200000
int smblib_get_prop_input_voltage_settled(struct smb_charger *chg,
						union power_supply_propval *val)
{
	int rc, pulses;

	switch (chg->real_charger_type) {
	case POWER_SUPPLY_TYPE_USB_HVDCP_3:
		rc = smblib_get_pulse_cnt(chg, &pulses);
		if (rc < 0) {
			smblib_err(chg,
				"Couldn't read QC_PULSE_COUNT rc=%d\n", rc);
			return 0;
		}
		val->intval = MICRO_5V + HVDCP3_STEP_UV * pulses;
		break;
	case POWER_SUPPLY_TYPE_USB_PD:
		val->intval = chg->voltage_min_uv;
		break;
	default:
		val->intval = MICRO_5V;
		break;
	}

	return 0;
}

int smblib_get_prop_pd_in_hard_reset(struct smb_charger *chg,
			       union power_supply_propval *val)
{
	val->intval = chg->pd_hard_reset;
	return 0;
}

int smblib_get_pe_start(struct smb_charger *chg,
			       union power_supply_propval *val)
{
	/*
	 * hvdcp timeout voter is the last one to allow pd. Use its vote
	 * to indicate start of pe engine
	 */
	val->intval
		= !get_client_vote_locked(chg->pd_disallowed_votable_indirect,
			APSD_VOTER);
	return 0;
}

int smblib_get_prop_die_health(struct smb_charger *chg,
						union power_supply_propval *val)
{
	int rc;
	u8 stat;

	rc = smblib_read(chg, TEMP_RANGE_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TEMP_RANGE_STATUS_REG rc=%d\n",
									rc);
		return rc;
	}

	/* TEMP_RANGE bits are mutually exclusive */
	switch (stat & TEMP_RANGE_MASK) {
	case TEMP_BELOW_RANGE_BIT:
		val->intval = POWER_SUPPLY_HEALTH_COOL;
		break;
	case TEMP_WITHIN_RANGE_BIT:
		val->intval = POWER_SUPPLY_HEALTH_WARM;
		break;
	case TEMP_ABOVE_RANGE_BIT:
		val->intval = POWER_SUPPLY_HEALTH_HOT;
		break;
	case ALERT_LEVEL_BIT:
		val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
		break;
	default:
		val->intval = POWER_SUPPLY_HEALTH_UNKNOWN;
	}

	return 0;
}

#define SDP_CURRENT_UA			500000
#define CDP_CURRENT_UA			1500000
#define DCP_CURRENT_UA			1500000
#define HVDCP_CURRENT_UA		3000000
#define TYPEC_DEFAULT_CURRENT_UA	900000
#define TYPEC_MEDIUM_CURRENT_UA		1500000
#define TYPEC_HIGH_CURRENT_UA		3000000
static int get_rp_based_dcp_current(struct smb_charger *chg, int typec_mode)
{
	int rp_ua;

	switch (typec_mode) {
	case POWER_SUPPLY_TYPEC_SOURCE_HIGH:
		rp_ua = TYPEC_HIGH_CURRENT_UA;
		break;
	case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM:
	case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT:
	/* fall through */
	default:
		rp_ua = DCP_CURRENT_UA;
	}

	return rp_ua;
}

/*******************
 * USB PSY SETTERS *
 * *****************/

int smblib_set_prop_pd_current_max(struct smb_charger *chg,
				    const union power_supply_propval *val)
{
	int rc;

	if (chg->pd_active)
		rc = vote(chg->usb_icl_votable, PD_VOTER, true, val->intval);
	else
		rc = -EPERM;

	return rc;
}

static int smblib_handle_usb_current(struct smb_charger *chg,
					int usb_current)
{
	int rc = 0, rp_ua, typec_mode;

	if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_FLOAT) {
		if (usb_current == -ETIMEDOUT) {
			/*
			 * Valid FLOAT charger, report the current based
			 * of Rp
			 */
			typec_mode = smblib_get_prop_typec_mode(chg);
			rp_ua = get_rp_based_dcp_current(chg, typec_mode);
			rc = vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER,
								true, rp_ua);
			if (rc < 0)
				return rc;
		} else {
			/*
			 * FLOAT charger detected as SDP by USB driver,
			 * charge with the requested current and update the
			 * real_charger_type
			 */
			chg->real_charger_type = POWER_SUPPLY_TYPE_USB;
			rc = vote(chg->usb_icl_votable, USB_PSY_VOTER,
						true, usb_current);
			if (rc < 0)
				return rc;
			rc = vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER,
							false, 0);
			if (rc < 0)
				return rc;
		}
	} else {
		rc = vote(chg->usb_icl_votable, USB_PSY_VOTER,
					true, usb_current);
	}

	return rc;
}

int smblib_set_prop_sdp_current_max(struct smb_charger *chg,
				    const union power_supply_propval *val)
{
	int rc = 0;

	if (!chg->pd_active) {
		rc = smblib_handle_usb_current(chg, val->intval);
	} else if (chg->system_suspend_supported) {
		if (val->intval <= USBIN_25MA)
			rc = vote(chg->usb_icl_votable,
				PD_SUSPEND_SUPPORTED_VOTER, true, val->intval);
		else
			rc = vote(chg->usb_icl_votable,
				PD_SUSPEND_SUPPORTED_VOTER, false, 0);
	}
	return rc;
}

int smblib_set_prop_boost_current(struct smb_charger *chg,
				    const union power_supply_propval *val)
{
	int rc = 0;

	rc = smblib_set_charge_param(chg, &chg->param.freq_switcher,
				val->intval <= chg->boost_threshold_ua ?
				chg->chg_freq.freq_below_otg_threshold :
				chg->chg_freq.freq_above_otg_threshold);
	if (rc < 0) {
		dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc);
		return rc;
	}

	chg->boost_current_ua = val->intval;
	return rc;
}

int smblib_set_prop_typec_power_role(struct smb_charger *chg,
				     const union power_supply_propval *val)
{
	int rc = 0;
	u8 power_role;

	switch (val->intval) {
	case POWER_SUPPLY_TYPEC_PR_NONE:
		power_role = TYPEC_DISABLE_CMD_BIT;
		break;
	case POWER_SUPPLY_TYPEC_PR_DUAL:
		power_role = 0;
		break;
	case POWER_SUPPLY_TYPEC_PR_SINK:
		power_role = EN_SNK_ONLY_BIT;
		break;
	case POWER_SUPPLY_TYPEC_PR_SOURCE:
		power_role = EN_SRC_ONLY_BIT;
		break;
	default:
		smblib_err(chg, "power role %d not supported\n", val->intval);
		return -EINVAL;
	}

	rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
				 TYPEC_POWER_ROLE_CMD_MASK, power_role);
	if (rc < 0) {
		smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
			power_role, rc);
		return rc;
	}

	return rc;
}

int smblib_set_prop_pd_voltage_min(struct smb_charger *chg,
				    const union power_supply_propval *val)
{
	int rc, min_uv;

	min_uv = min(val->intval, chg->voltage_max_uv);
	rc = smblib_set_usb_pd_allowed_voltage(chg, min_uv,
					       chg->voltage_max_uv);
	if (rc < 0) {
		smblib_err(chg, "invalid max voltage %duV rc=%d\n",
			val->intval, rc);
		return rc;
	}

	chg->voltage_min_uv = min_uv;
	power_supply_changed(chg->usb_main_psy);

	return rc;
}

int smblib_set_prop_pd_voltage_max(struct smb_charger *chg,
				    const union power_supply_propval *val)
{
	int rc, max_uv;

	max_uv = max(val->intval, chg->voltage_min_uv);
	rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv,
					       max_uv);
	if (rc < 0) {
		smblib_err(chg, "invalid min voltage %duV rc=%d\n",
			val->intval, rc);
		return rc;
	}

	chg->voltage_max_uv = max_uv;
	power_supply_changed(chg->usb_main_psy);

	return rc;
}

static int __smblib_set_prop_pd_active(struct smb_charger *chg, bool pd_active)
{
	int rc = 0;

	chg->pd_active = pd_active;

	if (chg->pd_active) {
		vote(chg->pd_allowed_votable, PD_VOTER, true, 0);
		vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0);

		/*
		 * Enforce 500mA for PD until the real vote comes in later.
		 * It is guaranteed that pd_active is set prior to
		 * pd_current_max
		 */
		rc = vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_500MA);
		if (rc < 0)
			smblib_err(chg, "Couldn't vote for USB ICL rc=%d\n",
									rc);

		/* since PD was found the cable must be non-legacy */
		vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0);

		/* clear USB ICL vote for DCP_VOTER */
		rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0);
		if (rc < 0)
			smblib_err(chg, "Couldn't un-vote DCP from USB ICL rc=%d\n",
									rc);

		/* remove USB_PSY_VOTER */
		rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
		if (rc < 0)
			smblib_err(chg, "Couldn't unvote USB_PSY rc=%d\n", rc);
	} else {
		vote(chg->pd_allowed_votable, PD_VOTER, true, 0);
		vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0);
	}

	smblib_update_usb_type(chg);
	power_supply_changed(chg->usb_psy);
	return rc;
}

int smblib_set_prop_pd_active(struct smb_charger *chg,
			      const union power_supply_propval *val)
{
	if (!get_effective_result(chg->pd_allowed_votable))
		return -EINVAL;

	return __smblib_set_prop_pd_active(chg, val->intval);
}

int smblib_set_prop_ship_mode(struct smb_charger *chg,
				const union power_supply_propval *val)
{
	int rc;

	smblib_dbg(chg, PR_MISC, "Set ship mode: %d!!\n", !!val->intval);

	rc = smblib_masked_write(chg, SHIP_MODE_REG, SHIP_MODE_EN_BIT,
			!!val->intval ? SHIP_MODE_EN_BIT : 0);
	if (rc < 0)
		dev_err(chg->dev, "Couldn't %s ship mode, rc=%d\n",
				!!val->intval ? "enable" : "disable", rc);

	return rc;
}

int smblib_set_prop_pd_in_hard_reset(struct smb_charger *chg,
				const union power_supply_propval *val)
{
	int rc = 0;

	if (chg->pd_hard_reset == val->intval)
		return rc;

	chg->pd_hard_reset = val->intval;
	rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_REG,
			EXIT_SNK_BASED_ON_CC_BIT,
			(chg->pd_hard_reset) ? EXIT_SNK_BASED_ON_CC_BIT : 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't set EXIT_SNK_BASED_ON_CC rc=%d\n",
				rc);

	return rc;
}

static int smblib_recover_from_soft_jeita(struct smb_charger *chg)
{
	u8 stat1, stat7;
	int rc;

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat1);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
				rc);
		return rc;
	}

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat7);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
				rc);
		return rc;
	}

	if ((chg->jeita_status && !(stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK) &&
		((stat1 & BATTERY_CHARGER_STATUS_MASK) == TERMINATE_CHARGE))) {
		/*
		 * We are moving from JEITA soft -> Normal and charging
		 * is terminated
		 */
		rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG, 0);
		if (rc < 0) {
			smblib_err(chg, "Couldn't disable charging rc=%d\n",
						rc);
			return rc;
		}
		rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG,
						CHARGING_ENABLE_CMD_BIT);
		if (rc < 0) {
			smblib_err(chg, "Couldn't enable charging rc=%d\n",
						rc);
			return rc;
		}
	}

	chg->jeita_status = stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK;

	return 0;
}

/************************
 * USB MAIN PSY GETTERS *
 ************************/
int smblib_get_prop_fcc_delta(struct smb_charger *chg,
				union power_supply_propval *val)
{
	int rc, jeita_cc_delta_ua = 0;

	if (chg->sw_jeita_enabled) {
		val->intval = 0;
		return 0;
	}

	rc = smblib_get_jeita_cc_delta(chg, &jeita_cc_delta_ua);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get jeita cc delta rc=%d\n", rc);
		jeita_cc_delta_ua = 0;
	}

	val->intval = jeita_cc_delta_ua;
	return 0;
}

/************************
 * USB MAIN PSY SETTERS *
 ************************/
int smblib_get_charge_current(struct smb_charger *chg,
				int *total_current_ua)
{
	const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);
	union power_supply_propval val = {0, };
	int rc = 0, typec_source_rd, current_ua;
	bool non_compliant;
	u8 stat;

	if (chg->pd_active) {
		*total_current_ua =
			get_client_vote_locked(chg->usb_icl_votable, PD_VOTER);
		return rc;
	}

	rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc);
		return rc;
	}
	non_compliant = stat & TYPEC_NONCOMP_LEGACY_CABLE_STATUS_BIT;

	/* get settled ICL */
	rc = smblib_get_prop_input_current_settled(chg, &val);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc);
		return rc;
	}

	typec_source_rd = smblib_get_prop_ufp_mode(chg);

	/* QC 2.0/3.0 adapter */
	if (apsd_result->bit & (QC_3P0_BIT | QC_2P0_BIT)) {
		*total_current_ua = HVDCP_CURRENT_UA;
		return 0;
	}

	if (non_compliant) {
		switch (apsd_result->bit) {
		case CDP_CHARGER_BIT:
			current_ua = CDP_CURRENT_UA;
			break;
		case DCP_CHARGER_BIT:
		case OCP_CHARGER_BIT:
		case FLOAT_CHARGER_BIT:
			current_ua = DCP_CURRENT_UA;
			break;
		default:
			current_ua = 0;
			break;
		}

		*total_current_ua = max(current_ua, val.intval);
		return 0;
	}

	switch (typec_source_rd) {
	case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT:
		switch (apsd_result->bit) {
		case CDP_CHARGER_BIT:
			current_ua = CDP_CURRENT_UA;
			break;
		case DCP_CHARGER_BIT:
		case OCP_CHARGER_BIT:
		case FLOAT_CHARGER_BIT:
			current_ua = chg->default_icl_ua;
			break;
		default:
			current_ua = 0;
			break;
		}
		break;
	case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM:
		current_ua = TYPEC_MEDIUM_CURRENT_UA;
		break;
	case POWER_SUPPLY_TYPEC_SOURCE_HIGH:
		current_ua = TYPEC_HIGH_CURRENT_UA;
		break;
	case POWER_SUPPLY_TYPEC_NON_COMPLIANT:
	case POWER_SUPPLY_TYPEC_NONE:
	default:
		current_ua = 0;
		break;
	}

	*total_current_ua = max(current_ua, val.intval);
	return 0;
}

/**********************
 * INTERRUPT HANDLERS *
 **********************/

irqreturn_t default_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
	return IRQ_HANDLED;
}

irqreturn_t chg_state_change_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;
	u8 stat;
	int rc;

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);

	rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
				rc);
		return IRQ_HANDLED;
	}

	stat = stat & BATTERY_CHARGER_STATUS_MASK;
	power_supply_changed(chg->batt_psy);
	return IRQ_HANDLED;
}

irqreturn_t batt_temp_changed_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;
	int rc;

	rc = smblib_recover_from_soft_jeita(chg);
	if (rc < 0) {
		smblib_err(chg, "Couldn't recover chg from soft jeita rc=%d\n",
				rc);
		return IRQ_HANDLED;
	}

	rerun_election(chg->fcc_votable);
	power_supply_changed(chg->batt_psy);
	return IRQ_HANDLED;
}

irqreturn_t batt_psy_changed_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
	power_supply_changed(chg->batt_psy);
	return IRQ_HANDLED;
}

irqreturn_t usbin_uv_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;
	struct storm_watch *wdata;

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
	if (!chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data)
		return IRQ_HANDLED;

	wdata = &chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data->storm_data;
	reset_storm_count(wdata);
	return IRQ_HANDLED;
}

#define USB_WEAK_INPUT_UA	1400000
#define ICL_CHANGE_DELAY_MS	1000
irqreturn_t icl_change_irq_handler(int irq, void *data)
{
	u8 stat;
	int rc, settled_ua, delay = ICL_CHANGE_DELAY_MS;
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	if (chg->mode == PARALLEL_MASTER) {
		rc = smblib_read(chg, AICL_STATUS_REG, &stat);
		if (rc < 0) {
			smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n",
					rc);
			return IRQ_HANDLED;
		}

		rc = smblib_get_charge_param(chg, &chg->param.icl_stat,
					&settled_ua);
		if (rc < 0) {
			smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc);
			return IRQ_HANDLED;
		}

		/* If AICL settled then schedule work now */
		if (settled_ua == get_effective_result(chg->usb_icl_votable))
			delay = 0;

		cancel_delayed_work_sync(&chg->icl_change_work);
		schedule_delayed_work(&chg->icl_change_work,
						msecs_to_jiffies(delay));
	}

	return IRQ_HANDLED;
}

static void smblib_micro_usb_plugin(struct smb_charger *chg, bool vbus_rising)
{
	if (vbus_rising) {
		/* use the typec flag even though its not typec */
		chg->typec_present = 1;
	} else {
		chg->typec_present = 0;
		smblib_update_usb_type(chg);
		extcon_set_state_sync(chg->extcon, EXTCON_USB, false);
		smblib_uusb_removal(chg);
	}
}

void smblib_usb_plugin_hard_reset_locked(struct smb_charger *chg)
{
	int rc;
	u8 stat;
	bool vbus_rising;
	struct smb_irq_data *data;
	struct storm_watch *wdata;

	rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc);
		return;
	}

	vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT);

	if (!vbus_rising) {
		if (chg->wa_flags & BOOST_BACK_WA) {
			data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
			if (data) {
				wdata = &data->storm_data;
				update_storm_count(wdata,
						WEAK_CHG_STORM_COUNT);
				vote(chg->usb_icl_votable, BOOST_BACK_VOTER,
						false, 0);
				vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
						false, 0);
			}
		}
	}

	power_supply_changed(chg->usb_psy);
	smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n",
					vbus_rising ? "attached" : "detached");
}

#define PL_DELAY_MS	30000
void smblib_usb_plugin_locked(struct smb_charger *chg)
{
	int rc;
	u8 stat;
	bool vbus_rising;
	struct smb_irq_data *data;
	struct storm_watch *wdata;

	rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc);
		return;
	}

	vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT);
	smblib_set_opt_switcher_freq(chg, vbus_rising ? chg->chg_freq.freq_5V :
						chg->chg_freq.freq_removal);

	if (vbus_rising) {
		rc = smblib_request_dpdm(chg, true);
		if (rc < 0)
			smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc);

		/* Schedule work to enable parallel charger */
		vote(chg->awake_votable, PL_DELAY_VOTER, true, 0);
		schedule_delayed_work(&chg->pl_enable_work,
					msecs_to_jiffies(PL_DELAY_MS));
	} else {
		if (chg->wa_flags & BOOST_BACK_WA) {
			data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
			if (data) {
				wdata = &data->storm_data;
				update_storm_count(wdata,
						WEAK_CHG_STORM_COUNT);
				vote(chg->usb_icl_votable, BOOST_BACK_VOTER,
						false, 0);
				vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
						false, 0);
			}
		}

		rc = smblib_request_dpdm(chg, false);
		if (rc < 0)
			smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc);
	}

	if (chg->micro_usb_mode)
		smblib_micro_usb_plugin(chg, vbus_rising);

	power_supply_changed(chg->usb_psy);
	smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n",
					vbus_rising ? "attached" : "detached");
}

irqreturn_t usb_plugin_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	mutex_lock(&chg->lock);
	if (chg->pd_hard_reset)
		smblib_usb_plugin_hard_reset_locked(chg);
	else
		smblib_usb_plugin_locked(chg);
	mutex_unlock(&chg->lock);

	return IRQ_HANDLED;
}

static void smblib_handle_slow_plugin_timeout(struct smb_charger *chg,
					      bool rising)
{
	smblib_dbg(chg, PR_INTERRUPT, "IRQ: slow-plugin-timeout %s\n",
		   rising ? "rising" : "falling");
}

static void smblib_handle_sdp_enumeration_done(struct smb_charger *chg,
					       bool rising)
{
	smblib_dbg(chg, PR_INTERRUPT, "IRQ: sdp-enumeration-done %s\n",
		   rising ? "rising" : "falling");
}

#define QC3_PULSES_FOR_6V	5
#define QC3_PULSES_FOR_9V	20
#define QC3_PULSES_FOR_12V	35
static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg)
{
	int rc;
	u8 stat;
	int pulses;

	power_supply_changed(chg->usb_main_psy);
	if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP) {
		rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat);
		if (rc < 0) {
			smblib_err(chg,
				"Couldn't read QC_CHANGE_STATUS rc=%d\n", rc);
			return;
		}

		switch (stat & QC_2P0_STATUS_MASK) {
		case QC_5V_BIT:
			smblib_set_opt_switcher_freq(chg,
					chg->chg_freq.freq_5V);
			break;
		case QC_9V_BIT:
			smblib_set_opt_switcher_freq(chg,
					chg->chg_freq.freq_9V);
			break;
		case QC_12V_BIT:
			smblib_set_opt_switcher_freq(chg,
					chg->chg_freq.freq_12V);
			break;
		default:
			smblib_set_opt_switcher_freq(chg,
					chg->chg_freq.freq_removal);
			break;
		}
	}

	if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP_3) {
		rc = smblib_get_pulse_cnt(chg, &pulses);
		if (rc < 0) {
			smblib_err(chg,
				"Couldn't read QC_PULSE_COUNT rc=%d\n", rc);
			return;
		}

		if (pulses < QC3_PULSES_FOR_6V)
			smblib_set_opt_switcher_freq(chg,
				chg->chg_freq.freq_5V);
		else if (pulses < QC3_PULSES_FOR_9V)
			smblib_set_opt_switcher_freq(chg,
				chg->chg_freq.freq_6V_8V);
		else if (pulses < QC3_PULSES_FOR_12V)
			smblib_set_opt_switcher_freq(chg,
				chg->chg_freq.freq_9V);
		else
			smblib_set_opt_switcher_freq(chg,
				chg->chg_freq.freq_12V);
	}
}

/* triggers when HVDCP 3.0 authentication has finished */
static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg,
					      bool rising)
{
	const struct apsd_result *apsd_result;

	if (!rising)
		return;

	vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, false, 0);

	if (chg->mode == PARALLEL_MASTER)
		vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, true, 0);

	/* the APSD done handler will set the USB supply type */
	apsd_result = smblib_get_apsd_result(chg);
	smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-3p0-auth-done rising; %s detected\n",
		   apsd_result->name);
}

static void smblib_handle_hvdcp_check_timeout(struct smb_charger *chg,
					      bool rising, bool qc_charger)
{
	const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);

	/* Hold off PD only until hvdcp 2.0 detection timeout */
	if (rising) {

		/* enable HDC and ICL irq for QC2/3 charger */
		if (qc_charger)
			vote(chg->usb_irq_enable_votable, QC_VOTER, true, 0);
		else
			vote(chg->pd_disallowed_votable_indirect, APSD_VOTER,
							false, 0);

		/*
		 * HVDCP detection timeout done
		 * If adapter is not QC2.0/QC3.0 - it is a plain old DCP.
		 */
		if (!qc_charger && (apsd_result->bit & DCP_CHARGER_BIT))
			/* enforce DCP ICL if specified */
			vote(chg->usb_icl_votable, DCP_VOTER,
				chg->dcp_icl_ua != -EINVAL, chg->dcp_icl_ua);

		/*
		 * if pd is not allowed, then set pd_active = false right here,
		 * so that it starts the hvdcp engine
		 */
		if (!get_effective_result(chg->pd_allowed_votable))
			__smblib_set_prop_pd_active(chg, 0);
	}

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s %s\n", __func__,
		   rising ? "rising" : "falling");
}

/* triggers when HVDCP is detected */
static void smblib_handle_hvdcp_detect_done(struct smb_charger *chg,
					    bool rising)
{
	smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-detect-done %s\n",
		   rising ? "rising" : "falling");
}

static void smblib_notify_extcon_props(struct smb_charger *chg, int id)
{
	union extcon_property_value val;
	union power_supply_propval prop_val;

	smblib_get_prop_typec_cc_orientation(chg, &prop_val);
	val.intval = ((prop_val.intval == 2) ? 1 : 0);
	extcon_set_property(chg->extcon, id,
				EXTCON_PROP_USB_TYPEC_POLARITY, val);

	val.intval = true;
	extcon_set_property(chg->extcon, id,
				EXTCON_PROP_USB_SS, val);
}

static void smblib_notify_device_mode(struct smb_charger *chg, bool enable)
{
	if (enable)
		smblib_notify_extcon_props(chg, EXTCON_USB);

	extcon_set_state_sync(chg->extcon, EXTCON_USB, enable);
}

static void smblib_notify_usb_host(struct smb_charger *chg, bool enable)
{
	if (enable)
		smblib_notify_extcon_props(chg, EXTCON_USB_HOST);

	extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, enable);
}

static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising)
{
	const struct apsd_result *apsd_result;

	if (!rising)
		return;

	apsd_result = smblib_update_usb_type(chg);

	switch (apsd_result->bit) {
	case SDP_CHARGER_BIT:
	case CDP_CHARGER_BIT:
		if (chg->micro_usb_mode)
			extcon_set_state_sync(chg->extcon, EXTCON_USB,
					true);
		/* if not DCP then no hvdcp timeout happens. Enable pd here */
		vote(chg->pd_disallowed_votable_indirect, APSD_VOTER,
				false, 0);
		if (chg->use_extcon)
			smblib_notify_device_mode(chg, true);
		break;
	case OCP_CHARGER_BIT:
	case FLOAT_CHARGER_BIT:
		/* if not DCP then no hvdcp timeout happens, Enable pd here. */
		vote(chg->pd_disallowed_votable_indirect, APSD_VOTER,
				false, 0);
		break;
	case DCP_CHARGER_BIT:
		break;
	default:
		break;
	}

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: apsd-done rising; %s detected\n",
		   apsd_result->name);
}

irqreturn_t usb_source_change_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;
	int rc = 0;
	u8 stat;

	rc = smblib_read(chg, APSD_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
		return IRQ_HANDLED;
	}
	smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat);

	if (chg->micro_usb_mode && (stat & APSD_DTC_STATUS_DONE_BIT)
			&& !chg->uusb_apsd_rerun_done) {
		/*
		 * Force re-run APSD to handle slow insertion related
		 * charger-mis-detection.
		 */
		chg->uusb_apsd_rerun_done = true;
		smblib_rerun_apsd(chg);
		return IRQ_HANDLED;
	}

	smblib_handle_apsd_done(chg,
		(bool)(stat & APSD_DTC_STATUS_DONE_BIT));

	smblib_handle_hvdcp_detect_done(chg,
		(bool)(stat & QC_CHARGER_BIT));

	smblib_handle_hvdcp_check_timeout(chg,
		(bool)(stat & HVDCP_CHECK_TIMEOUT_BIT),
		(bool)(stat & QC_CHARGER_BIT));

	smblib_handle_hvdcp_3p0_auth_done(chg,
		(bool)(stat & QC_AUTH_DONE_STATUS_BIT));

	smblib_handle_sdp_enumeration_done(chg,
		(bool)(stat & ENUMERATION_DONE_BIT));

	smblib_handle_slow_plugin_timeout(chg,
		(bool)(stat & SLOW_PLUGIN_TIMEOUT_BIT));

	smblib_hvdcp_adaptive_voltage_change(chg);

	power_supply_changed(chg->usb_psy);

	rc = smblib_read(chg, APSD_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
		return IRQ_HANDLED;
	}
	smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat);

	return IRQ_HANDLED;
}

static void typec_sink_insertion(struct smb_charger *chg)
{
	/* when a sink is inserted we should not wait on hvdcp timeout to
	 * enable pd
	 */
	vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, false, 0);
	if (chg->use_extcon) {
		smblib_notify_usb_host(chg, true);
		chg->otg_present = true;
	}
}

static void typec_sink_removal(struct smb_charger *chg)
{
	smblib_set_charge_param(chg, &chg->param.freq_switcher,
			chg->chg_freq.freq_above_otg_threshold);
	chg->boost_current_ua = 0;
}

static void smblib_handle_typec_removal(struct smb_charger *chg)
{
	int rc;
	struct smb_irq_data *data;
	struct storm_watch *wdata;

	rc = smblib_request_dpdm(chg, false);
	if (rc < 0)
		smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc);

	if (chg->wa_flags & BOOST_BACK_WA) {
		data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
		if (data) {
			wdata = &data->storm_data;
			update_storm_count(wdata, WEAK_CHG_STORM_COUNT);
			vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0);
			vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
					false, 0);
		}
	}

	cancel_delayed_work_sync(&chg->pl_enable_work);

	/* reset input current limit voters */
	vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 100000);
	vote(chg->usb_icl_votable, PD_VOTER, false, 0);
	vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
	vote(chg->usb_icl_votable, DCP_VOTER, false, 0);
	vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0);
	vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0);
	vote(chg->usb_icl_votable, OTG_VOTER, false, 0);
	vote(chg->usb_icl_votable, CTM_VOTER, false, 0);

	/* reset power delivery voters */
	vote(chg->pd_allowed_votable, PD_VOTER, false, 0);
	vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, true, 0);
	vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, true, 0);

	/* reset usb irq voters */
	vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0);
	vote(chg->usb_irq_enable_votable, QC_VOTER, false, 0);

	/* reset parallel voters */
	vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);
	vote(chg->pl_disable_votable, PL_FCC_LOW_VOTER, false, 0);
	vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0);
	vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0);
	vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);

	chg->vconn_attempts = 0;
	chg->otg_attempts = 0;
	chg->pulse_cnt = 0;
	chg->usb_icl_delta_ua = 0;
	chg->voltage_min_uv = MICRO_5V;
	chg->voltage_max_uv = MICRO_5V;
	chg->pd_active = 0;
	chg->pd_hard_reset = 0;

	/* write back the default FLOAT charger configuration */
	rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
				(u8)FLOAT_OPTIONS_MASK, chg->float_cfg);
	if (rc < 0)
		smblib_err(chg, "Couldn't write float charger options rc=%d\n",
			rc);

	/* reset back to 103mS tCC debounce */
	rc = smblib_masked_write(chg, TYPE_C_DEBOUNCE_OPTION_REG,
					REDUCE_TCCDEBOUNCE_TO_2MS_BIT, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't set 120mS tCC debounce rc=%d\n", rc);

	/* reconfigure allowed voltage for HVDCP */
	rc = smblib_set_adapter_allowance(chg,
			USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V);
	if (rc < 0)
		smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n",
			rc);

	/* enable DRP */
	rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
				 TYPEC_POWER_ROLE_CMD_MASK, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't enable DRP rc=%d\n", rc);

	/* HW controlled CC_OUT */
	rc = smblib_masked_write(chg, TYPE_C_CCOUT_CONTROL_REG,
				TYPEC_CCOUT_SRC_BIT, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", rc);


	rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG,
				 VCONN_EN_SRC_BIT, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't set TYPE_C_VCONN_CONTROL_REG rc=%d\n",
				rc);

	/* clear exit sink based on cc */
	rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_REG,
						EXIT_SNK_BASED_ON_CC_BIT, 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't clear exit_sink_based_on_cc rc=%d\n",
				rc);

	typec_sink_removal(chg);
	smblib_update_usb_type(chg);

	if (chg->use_extcon) {
		if (chg->otg_present)
			smblib_notify_usb_host(chg, false);
		else
			smblib_notify_device_mode(chg, false);
	}
	chg->otg_present = false;
}

static void smblib_handle_typec_insertion(struct smb_charger *chg)
{
	int rc;
	u8 stat;

	vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, false, 0);

	rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
		return;
	}

	if (stat & SNK_SRC_MODE_BIT) {
		typec_sink_insertion(chg);
	} else {
		rc = smblib_request_dpdm(chg, true);
		if (rc < 0)
			smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc);
		typec_sink_removal(chg);
	}
}

static void smblib_handle_rp_change(struct smb_charger *chg, int typec_mode)
{
	int rp_ua;
	const struct apsd_result *apsd = smblib_get_apsd_result(chg);

	if ((apsd->pst != POWER_SUPPLY_TYPE_USB_DCP)
		&& (apsd->pst != POWER_SUPPLY_TYPE_USB_FLOAT))
		return;

	/*
	 * if APSD indicates FLOAT and the USB stack had detected SDP,
	 * do not respond to Rp changes as we do not confirm that its
	 * a legacy cable
	 */
	if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB)
		return;
	/*
	 * We want the ICL vote @ 100mA for a FLOAT charger
	 * until the detection by the USB stack is complete.
	 * Ignore the Rp changes unless there is a
	 * pre-existing valid vote.
	 */
	if (apsd->pst == POWER_SUPPLY_TYPE_USB_FLOAT &&
		get_client_vote(chg->usb_icl_votable,
			LEGACY_UNKNOWN_VOTER) <= 100000)
		return;

	/*
	 * handle Rp change for DCP/FLOAT/OCP.
	 * Update the current only if the Rp is different from
	 * the last Rp value.
	 */
	smblib_dbg(chg, PR_MISC, "CC change old_mode=%d new_mode=%d\n",
						chg->typec_mode, typec_mode);

	rp_ua = get_rp_based_dcp_current(chg, typec_mode);
	vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, rp_ua);
}

static void smblib_handle_typec_cc_state_change(struct smb_charger *chg)
{
	u8 stat;
	int typec_mode, rc;

	if (chg->pr_swap_in_progress)
		return;

	typec_mode = smblib_get_prop_typec_mode(chg);
	if (chg->typec_present && (typec_mode != chg->typec_mode))
		smblib_handle_rp_change(chg, typec_mode);

	chg->typec_mode = typec_mode;

	if (!chg->typec_present && chg->typec_mode != POWER_SUPPLY_TYPEC_NONE) {
		chg->typec_present = true;
		smblib_dbg(chg, PR_MISC, "TypeC %s insertion\n",
			smblib_typec_mode_name[chg->typec_mode]);
		smblib_handle_typec_insertion(chg);
	} else if (chg->typec_present &&
				chg->typec_mode == POWER_SUPPLY_TYPEC_NONE) {
		chg->typec_present = false;
		smblib_dbg(chg, PR_MISC, "TypeC removal\n");
		smblib_handle_typec_removal(chg);
	}

	rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
		return;
	}
	/* suspend usb if sink */
	if ((stat & SNK_SRC_MODE_BIT) && chg->typec_present)
		vote(chg->usb_icl_votable, OTG_VOTER, true, 0);
	else
		vote(chg->usb_icl_votable, OTG_VOTER, false, 0);

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: cc-state-change; Type-C %s detected\n",
				smblib_typec_mode_name[chg->typec_mode]);
}

static void smblib_usb_typec_change(struct smb_charger *chg)
{
	int rc;
	u8 stat;

	smblib_handle_typec_cc_state_change(chg);

	rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
		return;
	}

	if (stat & TYPEC_VBUS_ERROR_STATUS_BIT)
		smblib_dbg(chg, PR_INTERRUPT, "IRQ: vbus-error\n");

	power_supply_changed(chg->usb_psy);
}

irqreturn_t typec_state_change_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	if (chg->micro_usb_mode) {
		cancel_delayed_work_sync(&chg->uusb_otg_work);
		vote(chg->awake_votable, OTG_DELAY_VOTER, true, 0);
		smblib_dbg(chg, PR_INTERRUPT, "Scheduling OTG work\n");
		schedule_delayed_work(&chg->uusb_otg_work,
				msecs_to_jiffies(chg->otg_delay_ms));
		return IRQ_HANDLED;
	}

	if (chg->pr_swap_in_progress) {
		smblib_dbg(chg, PR_INTERRUPT,
				"Ignoring since pr_swap_in_progress\n");
		return IRQ_HANDLED;
	}

	mutex_lock(&chg->lock);
	smblib_usb_typec_change(chg);
	mutex_unlock(&chg->lock);
	return IRQ_HANDLED;
}

irqreturn_t dc_plugin_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	power_supply_changed(chg->dc_psy);
	return IRQ_HANDLED;
}

irqreturn_t high_duty_cycle_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;

	chg->is_hdc = true;
	/*
	 * Disable usb IRQs after the flag set and re-enable IRQs after
	 * the flag cleared in the delayed work queue, to avoid any IRQ
	 * storming during the delays
	 */
	if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq)
		disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);

	schedule_delayed_work(&chg->clear_hdc_work, msecs_to_jiffies(60));

	return IRQ_HANDLED;
}

static void smblib_bb_removal_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
						bb_removal_work.work);

	vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0);
	vote(chg->awake_votable, BOOST_BACK_VOTER, false, 0);
}

#define BOOST_BACK_UNVOTE_DELAY_MS		750
#define BOOST_BACK_STORM_COUNT			3
#define WEAK_CHG_STORM_COUNT			8
irqreturn_t switcher_power_ok_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;
	struct storm_watch *wdata = &irq_data->storm_data;
	int rc, usb_icl;
	u8 stat;

	if (!(chg->wa_flags & BOOST_BACK_WA))
		return IRQ_HANDLED;

	rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc);
		return IRQ_HANDLED;
	}

	/* skip suspending input if its already suspended by some other voter */
	usb_icl = get_effective_result(chg->usb_icl_votable);
	if ((stat & USE_USBIN_BIT) && usb_icl >= 0 && usb_icl <= USBIN_25MA)
		return IRQ_HANDLED;

	if (stat & USE_DCIN_BIT)
		return IRQ_HANDLED;

	if (is_storming(&irq_data->storm_data)) {
		/* This could be a weak charger reduce ICL */
		if (!is_client_vote_enabled(chg->usb_icl_votable,
						WEAK_CHARGER_VOTER)) {
			smblib_err(chg,
				"Weak charger detected: voting %dmA ICL\n",
				*chg->weak_chg_icl_ua / 1000);
			vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
					true, *chg->weak_chg_icl_ua);
			/*
			 * reset storm data and set the storm threshold
			 * to 3 for reverse boost detection.
			 */
			update_storm_count(wdata, BOOST_BACK_STORM_COUNT);
		} else {
			smblib_err(chg,
				"Reverse boost detected: voting 0mA to suspend input\n");
			vote(chg->usb_icl_votable, BOOST_BACK_VOTER, true, 0);
			vote(chg->awake_votable, BOOST_BACK_VOTER, true, 0);
			/*
			 * Remove the boost-back vote after a delay, to avoid
			 * permanently suspending the input if the boost-back
			 * condition is unintentionally hit.
			 */
			schedule_delayed_work(&chg->bb_removal_work,
				msecs_to_jiffies(BOOST_BACK_UNVOTE_DELAY_MS));
		}
	}

	return IRQ_HANDLED;
}

irqreturn_t wdog_bark_irq_handler(int irq, void *data)
{
	struct smb_irq_data *irq_data = data;
	struct smb_charger *chg = irq_data->parent_data;
	int rc;

	smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);

	rc = smblib_write(chg, BARK_BITE_WDOG_PET_REG, BARK_BITE_WDOG_PET_BIT);
	if (rc < 0)
		smblib_err(chg, "Couldn't pet the dog rc=%d\n", rc);

	if (chg->step_chg_enabled || chg->sw_jeita_enabled)
		power_supply_changed(chg->batt_psy);

	return IRQ_HANDLED;
}

/**************
 * Additional USB PSY getters/setters
 * that call interrupt functions
 ***************/

int smblib_get_prop_pr_swap_in_progress(struct smb_charger *chg,
				union power_supply_propval *val)
{
	val->intval = chg->pr_swap_in_progress;
	return 0;
}

int smblib_set_prop_pr_swap_in_progress(struct smb_charger *chg,
				const union power_supply_propval *val)
{
	int rc;

	chg->pr_swap_in_progress = val->intval;

	/*
	 * call the cc changed irq to handle real removals while
	 * PR_SWAP was in progress
	 */
	smblib_usb_typec_change(chg);
	rc = smblib_masked_write(chg, TYPE_C_DEBOUNCE_OPTION_REG,
			REDUCE_TCCDEBOUNCE_TO_2MS_BIT,
			val->intval ? REDUCE_TCCDEBOUNCE_TO_2MS_BIT : 0);
	if (rc < 0)
		smblib_err(chg, "Couldn't set tCC debounce rc=%d\n", rc);
	return 0;
}

/***************
 * Work Queues *
 ***************/
static void smblib_uusb_otg_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
						uusb_otg_work.work);
	int rc;
	u8 stat;
	bool otg;

	rc = smblib_read(chg, TYPEC_U_USB_STATUS_REG, &stat);
	if (rc < 0) {
		smblib_err(chg, "Couldn't read TYPE_C_STATUS_3 rc=%d\n", rc);
		goto out;
	}

	otg = !!(stat & (U_USB_GROUND_NOVBUS_BIT | U_USB_GROUND_BIT));
	extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, otg);
	smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_3 = 0x%02x OTG=%d\n",
			stat, otg);
	power_supply_changed(chg->usb_psy);

out:
	vote(chg->awake_votable, OTG_DELAY_VOTER, false, 0);
}

static void bms_update_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
						bms_update_work);

	smblib_suspend_on_debug_battery(chg);

	if (chg->batt_psy)
		power_supply_changed(chg->batt_psy);
}

static void pl_update_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
						pl_update_work);

	smblib_stat_sw_override_cfg(chg, false);
}

static void clear_hdc_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
						clear_hdc_work.work);

	chg->is_hdc = 0;
	if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq)
		enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
}

static void smblib_icl_change_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
							icl_change_work.work);
	int rc, settled_ua;

	rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_ua);
	if (rc < 0) {
		smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc);
		return;
	}

	power_supply_changed(chg->usb_main_psy);

	smblib_dbg(chg, PR_INTERRUPT, "icl_settled=%d\n", settled_ua);
}

static void smblib_pl_enable_work(struct work_struct *work)
{
	struct smb_charger *chg = container_of(work, struct smb_charger,
							pl_enable_work.work);

	smblib_dbg(chg, PR_PARALLEL, "timer expired, enabling parallel\n");
	vote(chg->pl_disable_votable, PL_DELAY_VOTER, false, 0);
	vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);
}

static int smblib_create_votables(struct smb_charger *chg)
{
	int rc = 0;

	chg->fcc_votable = find_votable("FCC");
	if (chg->fcc_votable == NULL) {
		rc = -EINVAL;
		smblib_err(chg, "Couldn't find FCC votable rc=%d\n", rc);
		return rc;
	}

	chg->fv_votable = find_votable("FV");
	if (chg->fv_votable == NULL) {
		rc = -EINVAL;
		smblib_err(chg, "Couldn't find FV votable rc=%d\n", rc);
		return rc;
	}

	chg->usb_icl_votable = find_votable("USB_ICL");
	if (chg->usb_icl_votable == NULL) {
		rc = -EINVAL;
		smblib_err(chg, "Couldn't find USB_ICL votable rc=%d\n", rc);
		return rc;
	}

	chg->pl_disable_votable = find_votable("PL_DISABLE");
	if (chg->pl_disable_votable == NULL) {
		rc = -EINVAL;
		smblib_err(chg, "Couldn't find votable PL_DISABLE rc=%d\n", rc);
		return rc;
	}

	chg->pl_enable_votable_indirect = find_votable("PL_ENABLE_INDIRECT");
	if (chg->pl_enable_votable_indirect == NULL) {
		rc = -EINVAL;
		smblib_err(chg,
			"Couldn't find votable PL_ENABLE_INDIRECT rc=%d\n",
			rc);
		return rc;
	}

	vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);

	chg->dc_suspend_votable = create_votable("DC_SUSPEND", VOTE_SET_ANY,
					smblib_dc_suspend_vote_callback,
					chg);
	if (IS_ERR(chg->dc_suspend_votable)) {
		rc = PTR_ERR(chg->dc_suspend_votable);
		chg->dc_suspend_votable = NULL;
		return rc;
	}

	chg->pd_disallowed_votable_indirect
		= create_votable("PD_DISALLOWED_INDIRECT", VOTE_SET_ANY,
			smblib_pd_disallowed_votable_indirect_callback, chg);
	if (IS_ERR(chg->pd_disallowed_votable_indirect)) {
		rc = PTR_ERR(chg->pd_disallowed_votable_indirect);
		chg->pd_disallowed_votable_indirect = NULL;
		return rc;
	}

	chg->pd_allowed_votable = create_votable("PD_ALLOWED",
					VOTE_SET_ANY, NULL, NULL);
	if (IS_ERR(chg->pd_allowed_votable)) {
		rc = PTR_ERR(chg->pd_allowed_votable);
		chg->pd_allowed_votable = NULL;
		return rc;
	}

	chg->awake_votable = create_votable("AWAKE", VOTE_SET_ANY,
					smblib_awake_vote_callback,
					chg);
	if (IS_ERR(chg->awake_votable)) {
		rc = PTR_ERR(chg->awake_votable);
		chg->awake_votable = NULL;
		return rc;
	}

	chg->chg_disable_votable = create_votable("CHG_DISABLE", VOTE_SET_ANY,
					smblib_chg_disable_vote_callback,
					chg);
	if (IS_ERR(chg->chg_disable_votable)) {
		rc = PTR_ERR(chg->chg_disable_votable);
		chg->chg_disable_votable = NULL;
		return rc;
	}

	chg->usb_irq_enable_votable = create_votable("USB_IRQ_DISABLE",
					VOTE_SET_ANY,
					smblib_usb_irq_enable_vote_callback,
					chg);
	if (IS_ERR(chg->usb_irq_enable_votable)) {
		rc = PTR_ERR(chg->usb_irq_enable_votable);
		chg->usb_irq_enable_votable = NULL;
		return rc;
	}

	return rc;
}

static void smblib_destroy_votables(struct smb_charger *chg)
{
	if (chg->dc_suspend_votable)
		destroy_votable(chg->dc_suspend_votable);
	if (chg->usb_icl_votable)
		destroy_votable(chg->usb_icl_votable);
	if (chg->pd_disallowed_votable_indirect)
		destroy_votable(chg->pd_disallowed_votable_indirect);
	if (chg->pd_allowed_votable)
		destroy_votable(chg->pd_allowed_votable);
	if (chg->awake_votable)
		destroy_votable(chg->awake_votable);
	if (chg->chg_disable_votable)
		destroy_votable(chg->chg_disable_votable);
}

int smblib_init(struct smb_charger *chg)
{
	int rc = 0;

	mutex_init(&chg->lock);
	mutex_init(&chg->otg_oc_lock);
	INIT_WORK(&chg->bms_update_work, bms_update_work);
	INIT_WORK(&chg->pl_update_work, pl_update_work);
	INIT_DELAYED_WORK(&chg->clear_hdc_work, clear_hdc_work);
	INIT_DELAYED_WORK(&chg->icl_change_work, smblib_icl_change_work);
	INIT_DELAYED_WORK(&chg->pl_enable_work, smblib_pl_enable_work);
	INIT_DELAYED_WORK(&chg->uusb_otg_work, smblib_uusb_otg_work);
	INIT_DELAYED_WORK(&chg->bb_removal_work, smblib_bb_removal_work);
	chg->fake_capacity = -EINVAL;
	chg->fake_input_current_limited = -EINVAL;
	chg->fake_batt_status = -EINVAL;

	switch (chg->mode) {
	case PARALLEL_MASTER:
		rc = qcom_batt_init();
		if (rc < 0) {
			smblib_err(chg, "Couldn't init qcom_batt_init rc=%d\n",
				rc);
			return rc;
		}

		rc = qcom_step_chg_init(chg->dev, chg->step_chg_enabled,
						chg->sw_jeita_enabled);
		if (rc < 0) {
			smblib_err(chg, "Couldn't init qcom_step_chg_init rc=%d\n",
				rc);
			return rc;
		}

		rc = smblib_create_votables(chg);
		if (rc < 0) {
			smblib_err(chg, "Couldn't create votables rc=%d\n",
				rc);
			return rc;
		}

		rc = smblib_register_notifier(chg);
		if (rc < 0) {
			smblib_err(chg,
				"Couldn't register notifier rc=%d\n", rc);
			return rc;
		}

		chg->bms_psy = power_supply_get_by_name("bms");
		chg->pl.psy = power_supply_get_by_name("parallel");
		if (chg->pl.psy) {
			rc = smblib_stat_sw_override_cfg(chg, false);
			if (rc < 0) {
				smblib_err(chg,
					"Couldn't config stat sw rc=%d\n", rc);
				return rc;
			}
		}
		break;
	case PARALLEL_SLAVE:
		break;
	default:
		smblib_err(chg, "Unsupported mode %d\n", chg->mode);
		return -EINVAL;
	}

	return rc;
}

int smblib_deinit(struct smb_charger *chg)
{
	switch (chg->mode) {
	case PARALLEL_MASTER:
		cancel_work_sync(&chg->bms_update_work);
		cancel_work_sync(&chg->pl_update_work);
		cancel_delayed_work_sync(&chg->clear_hdc_work);
		cancel_delayed_work_sync(&chg->icl_change_work);
		cancel_delayed_work_sync(&chg->pl_enable_work);
		cancel_delayed_work_sync(&chg->uusb_otg_work);
		cancel_delayed_work_sync(&chg->bb_removal_work);
		power_supply_unreg_notifier(&chg->nb);
		smblib_destroy_votables(chg);
		qcom_step_chg_deinit();
		qcom_batt_deinit();
		break;
	case PARALLEL_SLAVE:
		break;
	default:
		smblib_err(chg, "Unsupported mode %d\n", chg->mode);
		return -EINVAL;
	}

	return 0;
}