/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2019 MediaTek Inc.
 */

#ifndef __MTK_PE2_H
#define __MTK_PE2_H

#include "mtk_charger_algorithm_class.h"

/* pe2.0 */
#define PE20_ICHG_LEAVE_THRESHOLD 1000000 /* uA */
#define TA_START_BATTERY_SOC	0
#define TA_STOP_BATTERY_SOC	85
#define PE20_V_CHARGER_MIN 4600000 /* 4.6 V */

/* single chager */
#define SC_INPUT_CURRENT		3200000
#define SC_CHARGING_CURRENT	3000000

/* dual charger in series */
#define DCS_INPUT_CURRENT 3200000
#define DCS_CHG1_CHARGER_CURRENT 1500000
#define DCS_CHG2_CHARGER_CURRENT 1500000

/*dual charger */
#define PE2_SLAVE_MIVR_DIFF 100000


/* cable measurement impedance */
#define PE2_CABLE_IMP_THRESHOLD 699
#define PE2_VBAT_CABLE_IMP_THRESHOLD 3900000 /* uV */


#define ECABLEOUT	1	/* cable out */
#define EHAL		2	/* hal operation error */


#define PE2_ERROR_LEVEL	1
#define PE2_INFO_LEVEL	2
#define PE2_DEBUG_LEVEL	3

extern int pe2_get_debug_level(void);
#define pe2_err(fmt, args...)					\
do {								\
	if (pe2_get_debug_level() >= PE2_ERROR_LEVEL) {	\
		pr_notice(fmt, ##args);				\
	}							\
} while (0)

#define pe2_info(fmt, args...)					\
do {								\
	if (pe2_get_debug_level() >= PE2_INFO_LEVEL) { \
		pr_notice(fmt, ##args);			\
	}							\
} while (0)

#define pe2_dbg(fmt, args...)					\
do {								\
	if (pe2_get_debug_level() >= PE2_DEBUG_LEVEL) {	\
		pr_notice(fmt, ##args);				\
	}							\
} while (0)


enum pe2_state_enum {
	PE2_HW_UNINIT = 0,
	PE2_HW_FAIL,
	PE2_HW_READY,
	PE2_TA_NOT_SUPPORT,
	PE2_RUN,
	PE2_TUNING,
	PE2_POSTCC,
};

struct pe20_profile {
	unsigned int vbat;
	unsigned int vchr;
};

struct mtk_pe20 {
	struct platform_device *pdev;
	struct chg_alg_device *alg;

	struct mutex access_lock;
	struct wakeup_source *suspend_lock;
	struct mutex cable_out_lock;
	struct mutex data_lock;
	bool is_cable_out_occur; /* Plug out happened while detect PE+20 */
	struct power_supply *bat_psy;

	int ta_vchr_org;
	int idx;
	int vbus;
	struct pe20_profile profile[10];

	int vbat_orig; /* Measured VBAT before cable impedance measurement */
	int aicr_cable_imp; /* AICR to set after cable impedance measurement */

	/* pe2.0 dtsi */
	int pe20_ichg_level_threshold;	/* ma */
	int ta_start_battery_soc;
	int ta_stop_battery_soc;
	int min_charger_voltage;

	/* single charger dtsi setting*/
	int sc_input_current;
	int sc_charger_current;

	/* dual charger in series dtsi setting*/
	int dcs_input_current;
	int dcs_chg1_charger_current;
	int dcs_chg2_charger_current;

	int dual_polling_ieoc;
	int pe2_slave_mivr_diff;

	/* cable measurement impedance */
	int cable_imp_threshold;
	int vbat_cable_imp_threshold;

	int cv;
	int input_current_limit1;
	int input_current_limit2;
	int charging_current_limit1;
	int charging_current_limit2;

	/* current IC setting */
	int input_current1;
	int charging_current1;
	int input_current2;
	int charging_current2;


	enum pe2_state_enum state;

};

extern int pe2_hal_init_hardware(struct chg_alg_device *alg);
extern int pe2_hal_set_efficiency_table(struct chg_alg_device *alg);
extern int pe2_hal_get_uisoc(struct chg_alg_device *alg);
extern int pe2_hal_get_charger_type(struct chg_alg_device *alg);
extern int pe2_hal_set_mivr(struct chg_alg_device *alg,
	enum chg_idx chgidx, int uV);

extern int pe2_hal_get_charger_cnt(struct chg_alg_device *alg);
extern bool pe2_hal_is_chip_enable(struct chg_alg_device *alg,
	enum chg_idx chgidx);
extern int pe2_hal_enable_charger(struct chg_alg_device *alg,
	enum chg_idx chgidx, bool en);
extern int pe2_hal_reset_ta(struct chg_alg_device *alg, enum chg_idx chgidx);
extern int pe2_hal_get_vbus(struct chg_alg_device *alg);
extern int pe2_hal_get_vbat(struct chg_alg_device *alg);
extern int pe2_hal_get_ibat(struct chg_alg_device *alg);
extern int pe2_hal_enable_cable_drop_comp(struct chg_alg_device *alg,
	bool en);
extern int pe2_hal_set_charging_current(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 ua);
extern int pe2_hal_get_charging_current(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 *ua);
extern int pe2_hal_set_input_current(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 ua);
extern int pe2_hal_get_mivr_state(struct chg_alg_device *alg,
	enum chg_idx chgidx, bool *in_loop);
extern int pe2_hal_send_ta20_current_pattern(struct chg_alg_device *alg,
					  u32 uV);
extern int pe2_hal_enable_vbus_ovp(struct chg_alg_device *alg, bool enable);
extern int pe2_hal_set_cv(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 uv);
extern int pe2_hal_charger_enable_chip(struct chg_alg_device *alg,
	enum chg_idx chgidx, bool enable);
extern int pe2_hal_set_eoc_current(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 uA);
extern int pe2_hal_enable_termination(struct chg_alg_device *alg,
	enum chg_idx chgidx, bool enable);
extern int pe2_hal_get_min_charging_current(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 *uA);
extern int pe2_hal_get_min_input_current(struct chg_alg_device *alg,
	enum chg_idx chgidx, u32 *uA);
extern int pe2_hal_safety_check(struct chg_alg_device *alg,
	int ieoc);
extern int pe2_hal_is_charger_enable(struct chg_alg_device *alg,
	enum chg_idx chgidx, bool *en);

#endif /* __MTK_PE2_H */