Fixed MTP to work with TWRP

include/linux/battery/fuelgauge/max77823_fuelgauge.h

@@ -0,0 +1,186 @@
+/*
+ * max77823_fuelgauge.h
+ * Samsung MAX77823 Fuel Gauge Header
+ *
+ * Copyright (C) 2012 Samsung Electronics, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MAX17050_FUELGAUGE_H
+#define __MAX17050_FUELGAUGE_H __FILE__
+
+#if defined(ANDROID_ALARM_ACTIVATED)
+#include <linux/android_alarm.h>
+#endif
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/max77823.h>
+#include <linux/mfd/max77823-private.h>
+#include <linux/regulator/machine.h>
+
+/* Slave address should be shifted to the right 1bit.
+ * R/W bit should NOT be included.
+ */
+
+#if defined(CONFIG_FUELGAUGE_MAX77823_VOLTAGE_TRACKING)
+#define MAX77823_REG_STATUS		0x00
+#define MAX77823_REG_VALRT_TH		0x01
+#define MAX77823_REG_TALRT_TH		0x02
+#define MAX77823_REG_SALRT_TH		0x03
+#define MAX77823_REG_VCELL			0x09
+#define MAX77823_REG_TEMPERATURE	0x08
+#define MAX77823_REG_AVGVCELL		0x19
+#define MAX77823_REG_CONFIG		0x1D
+#define MAX77823_REG_VERSION		0x21
+#define MAX77823_REG_LEARNCFG		0x28
+#define MAX77823_REG_FILTERCFG	0x29
+#define MAX77823_REG_MISCCFG		0x2B
+#define MAX77823_REG_CGAIN		0x2E
+#define MAX77823_REG_RCOMP		0x38
+#define MAX77823_REG_VFOCV		0xFB
+#define MAX77823_REG_SOC_VF		0xFF
+
+struct battery_data_t {
+	u8 *type_str;
+};
+
+struct sec_fg_info {
+	bool dummy;
+};
+
+#endif
+
+#if defined(CONFIG_FUELGAUGE_MAX77823_COULOMB_COUNTING)
+#define PRINT_COUNT	10
+
+#define LOW_BATT_COMP_RANGE_NUM	5
+#define LOW_BATT_COMP_LEVEL_NUM	2
+#define MAX_LOW_BATT_CHECK_CNT	10
+
+enum {
+	FG_LEVEL = 0,
+	FG_TEMPERATURE,
+	FG_VOLTAGE,
+	FG_CURRENT,
+	FG_CURRENT_AVG,
+	FG_CHECK_STATUS,
+	FG_RAW_SOC,
+	FG_VF_SOC,
+	FG_AV_SOC,
+	FG_FULLCAP,
+	FG_MIXCAP,
+	FG_AVCAP,
+	FG_REPCAP,
+};
+
+enum {
+	POSITIVE = 0,
+	NEGATIVE,
+};
+
+enum {
+	RANGE = 0,
+	SLOPE,
+	OFFSET,
+	TABLE_MAX
+};
+
+#define CURRENT_RANGE_MAX_NUM	5
+
+struct battery_data_t {
+	u32 Capacity;
+	u32 low_battery_comp_voltage;
+	s32 low_battery_table[CURRENT_RANGE_MAX_NUM][TABLE_MAX];
+	u8	*type_str;
+};
+
+struct sec_fg_info {
+	/* test print count */
+	int pr_cnt;
+	/* full charge comp */
+	struct delayed_work	full_comp_work;
+	u32 previous_fullcap;
+	u32 previous_vffullcap;
+	/* low battery comp */
+	int low_batt_comp_cnt[LOW_BATT_COMP_RANGE_NUM][LOW_BATT_COMP_LEVEL_NUM];
+	int low_batt_comp_flag;
+	/* low battery boot */
+	int low_batt_boot_flag;
+	bool is_low_batt_alarm;
+
+	/* battery info */
+	u32 soc;
+
+	/* miscellaneous */
+	unsigned long fullcap_check_interval;
+	int full_check_flag;
+	bool is_first_check;
+};
+
+/* FullCap learning setting */
+#define VFFULLCAP_CHECK_INTERVAL	300 /* sec */
+/* soc should be 0.1% unit */
+#define VFSOC_FOR_FULLCAP_LEARNING	950
+#define LOW_CURRENT_FOR_FULLCAP_LEARNING	20
+#define HIGH_CURRENT_FOR_FULLCAP_LEARNING	120
+#define LOW_AVGCURRENT_FOR_FULLCAP_LEARNING	20
+#define HIGH_AVGCURRENT_FOR_FULLCAP_LEARNING	100
+
+/* power off margin */
+/* soc should be 0.1% unit */
+#define POWER_OFF_SOC_HIGH_MARGIN	20
+#define POWER_OFF_VOLTAGE_HIGH_MARGIN	3500
+#define POWER_OFF_VOLTAGE_LOW_MARGIN	3400
+
+/* FG recovery handler */
+/* soc should be 0.1% unit */
+#define STABLE_LOW_BATTERY_DIFF	30
+#define STABLE_LOW_BATTERY_DIFF_LOWBATT	10
+#define LOW_BATTERY_SOC_REDUCE_UNIT	10
+#endif
+
+struct max77823_fuelgauge_data {
+	struct device           *dev;
+	struct i2c_client       *i2c;
+	struct mutex            fuelgauge_mutex;
+	struct max77823_platform_data *max77823_pdata;
+	sec_battery_platform_data_t *pdata;
+	struct power_supply		psy_fg;
+	struct delayed_work isr_work;
+
+	int cable_type;
+	bool is_charging;
+
+	/* HW-dedicated fuel guage info structure
+	 * used in individual fuel gauge file only
+	 * (ex. dummy_fuelgauge.c)
+	 */
+	struct sec_fg_info	info;
+	struct battery_data_t        *battery_data;
+
+	bool is_fuel_alerted;
+	struct wake_lock fuel_alert_wake_lock;
+
+	unsigned int capacity_old;	/* only for atomic calculation */
+	unsigned int capacity_max;	/* only for dynamic calculation */
+
+	bool initial_update_of_soc;
+	struct mutex fg_lock;
+
+	/* register programming */
+	int reg_addr;
+	u8 reg_data[2];
+
+	int fg_irq;
+};
+
+#endif /* __MAX77823_FUELGAUGE_H */