power: Add STC3117 Fuel Gauge driver (e0d7b451) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/power/Kconfig

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		@@ -495,6 +495,16 @@ config QPNP_SMBCHARGER
		The driver also offers relevant information to userspace via the
		power supply framework.

		config FUELGAUGE_STC3117
		tristate "STC3117 fuel gauge driver"
		default n
		depends on I2C
		help
		Say Y to include support
		for STC3117 fuel gauge driver for batteries.
		This driver source code implemented
		all functions for STC3117 fuel gauge.

		config QPNP_FG
		tristate "QPNP fuel gauge driver"
		depends on SPMI \|\| MSM_SPMI

drivers/power/Makefile

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		@@ -55,6 +55,7 @@ obj-$(CONFIG_CHARGER_MAX8998) += max8998_charger.o
		obj-$(CONFIG_CHARGER_BQ2415X) += bq2415x_charger.o
		obj-$(CONFIG_CHARGER_BQ24190) += bq24190_charger.o
		obj-$(CONFIG_CHARGER_BQ24735) += bq24735-charger.o
		obj-$(CONFIG_FUELGAUGE_STC3117) += stc3117_battery.o
		obj-$(CONFIG_POWER_AVS) += avs/
		obj-$(CONFIG_CHARGER_SMB347) += smb347-charger.o
		obj-$(CONFIG_SMB349_USB_CHARGER) += smb349-charger.o

drivers/power/stc3117_battery.c

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File added.

Preview size limit exceeded, changes collapsed.

drivers/power/stc3117_platformdata_default.c

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		#if CONFIG_BATTERY_STC3117

		int null_fn(void)
		{
		return 0; // for discharging status
		}

		int Temperature_fn(void)
		{
		return (25);
		}

		static struct stc311x_platform_data stc3117_data = {
		.battery_online = NULL,
		.charger_online = null_fn, // used in stc311x_get_status()
		.charger_enable = null_fn, // used in stc311x_get_status()
		.power_supply_register = NULL,
		.power_supply_unregister = NULL,

		.Vmode= 0, /REG_MODE, BIT_VMODE 1=Voltage mode, 0=mixed mode /
		.Alm_SOC = 10, /* SOC alm level %*/
		.Alm_Vbat = 3600, /* Vbat alm level mV*/
		.CC_cnf = 525, /* nominal CC_cnf, coming from battery characterisation*/
		.VM_cnf = 558, /* nominal VM cnf , coming from battery characterisation*/
		.Rint = 200, /* nominal internal impedance*/
		.Cnom = 2600, /* nominal capacity in mAh, coming from battery characterisation*/
		.Rsense = 10, /* sense resistor mOhms*/
		.RelaxCurrent = 150, /* current for relaxation in mA (< C/20) */
		.Adaptive = 1, /* 1=Adaptive mode enabled, 0=Adaptive mode disabled */

		/* Elentec Co Ltd Battery pack - 80 means 8% */
		.CapDerating[6] = 71, /* capacity derating in 0.1%, for temp = -20C */
		.CapDerating[5] = 42, /* capacity derating in 0.1%, for temp = -10C */
		.CapDerating[4] = 13, /* capacity derating in 0.1%, for temp = 0C */
		.CapDerating[3] = 5, /* capacity derating in 0.1%, for temp = 10C */
		.CapDerating[2] = 0, /* capacity derating in 0.1%, for temp = 25C */
		.CapDerating[1] = 0, /* capacity derating in 0.1%, for temp = 40C */
		.CapDerating[0] = 0, /* capacity derating in 0.1%, for temp = 60C */

		.OCVValue[15] = 0, /* OCV curve adjustment */
		.OCVValue[14] = 0, /* OCV curve adjustment */
		.OCVValue[13] = 0, /* OCV curve adjustment */
		.OCVValue[12] = 0, /* OCV curve adjustment */
		.OCVValue[11] = 0, /* OCV curve adjustment */
		.OCVValue[10] = 0, /* OCV curve adjustment */
		.OCVValue[9] = 0, /* OCV curve adjustment */
		.OCVValue[8] = 0, /* OCV curve adjustment */
		.OCVValue[7] = 0, /* OCV curve adjustment */
		.OCVValue[6] = 0, /* OCV curve adjustment */
		.OCVValue[5] = 0, /* OCV curve adjustment */
		.OCVValue[4] = 0, /* OCV curve adjustment */
		.OCVValue[3] = 0, /* OCV curve adjustment */
		.OCVValue[2] = 0, /* OCV curve adjustment */
		.OCVValue[1] = 0, /* OCV curve adjustment */
		.OCVValue[0] = 0, /* OCV curve adjustment */

		/if the application temperature data is preferred than the STC3117 temperature/
		.ExternalTemperature = Temperature_fn, /External temperature fonction, return C/
		.ForceExternalTemperature = 0, /* 1=External temperature, 0=STC3117 temperature */

		};
		#endif


		static struct i2c_board_info __initdata beagle_i2c2_boardinfo[] = {

		#if CONFIG_BATTERY_STC3117
		{
		I2C_BOARD_INFO("stc3117", 0x70),
		.platform_data = &stc3117_data,
		},
		#endif

		};

include/linux/i2c/stc3117_battery.h

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		/*
		* STC3117 fuel gauge - Platform Device Driver
		*
		* Copyright (C) 2011 STMicroelectronics.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 as
		* published by the Free Software Foundation.
		*/

		#ifndef __STC3117_BATTERY_H_
		#define __STC3117_BATTERY_H_

		struct stc311x_platform_data {
		int (*battery_online)(void);
		int (*charger_online)(void);
		int (*charger_enable)(void);
		int (power_supply_register)(struct device parent, struct power_supply *psy);
		void (power_supply_unregister)(struct power_supply psy);

		int Vmode; /* 1=Voltage mode, 0=mixed mode */
		int Alm_SOC; /* SOC alm level %*/
		int Alm_Vbat; /* Vbat alm level mV*/
		int CC_cnf; /* nominal CC_cnf */
		int VM_cnf; /* nominal VM cnf */
		int Rint; /nominal Rint/
		int Cnom; /* nominal capacity in mAh */
		int Rsense; /* sense resistor mOhms*/
		int RelaxCurrent; /* current for relaxation in mA (< C/20) */
		int Adaptive; /* 1=Adaptive mode enabled, 0=Adaptive mode disabled */
		int CapDerating[7]; /* capacity derating in 0.1%, for temp = 60, 40, 25, 10, 0, -10 C,-20C */
		int OCVValue[16]; /* OCV curve adjustment */
		int (ExternalTemperature) (void); /External temperature fonction, return C*/
		int ForceExternalTemperature; /* 1=External temperature, 0=STC3115 temperature */
		};

		#endif