SC760x: Bringup sc760x charger balance
SC760x is an integrated battery management IC for multiple battery packs in parallel applications. 1, support external USB power supply charger input detection. 2, support battery fuel gauge power supply to query battery status. 3, register the charger to mmi charger driver architecture. Change-Id: Ic31d8d97c093de55b34019bb92b702d73f176300 Signed-off-by: xuwt2 <xuwt2@lenovo.com> Reviewed-on: https://gerrit.mot.com/2479376 SME-Granted: SME Approvals Granted SLTApproved: Slta Waiver Tested-by: Jira Key Reviewed-by: Jianqi Yang <yangj@motorola.com> Submit-Approved: Jira Key
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xuwt2 authored and Wentao Xu committed
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DLKM_DIR := motorola/kernel/modules
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE := sc760x_charger_mmi.ko
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LOCAL_MODULE_PATH := $(KERNEL_MODULES_OUT)
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LOCAL_ADDITIONAL_DEPENDENCIES := $(KERNEL_MODULES_OUT)/mmi_charger.ko
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KBUILD_OPTIONS_GKI += GKI_OBJ_MODULE_DIR=gki
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include $(DLKM_DIR)/AndroidKernelModule.mk
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# add -Wall to try to catch everything we can.
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EXTRA_CFLAGS += -Wall
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EXTRA_CFLAGS += -I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/include \
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-I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/drivers/power/sc760x_charger_mmi \
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-I$(ANDROID_BUILD_TOP)/motorola/kernel/modules/drivers/power/mmi_charger
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obj-m += sc760x_charger_mmi.o
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KBUILD_EXTRA_SYMBOLS += $(CURDIR)/$(KBUILD_EXTMOD)/../mmi_charger/$(GKI_OBJ_MODULE_DIR)/Module.symvers
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all: modules
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modules:
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$(MAKE) -C $(KERNEL_SRC) M=$(M) modules $(KBUILD_OPTIONS)
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modules_install:
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$(MAKE) INSTALL_MOD_STRIP=1 -C $(KERNEL_SRC) M=$(M) modules_install
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%:
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$(MAKE) -C $(KERNEL_SRC) M=$(M) $@ $(KBUILD_OPTIONS)
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clean:
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rm -f *.o *.ko *.mod.c *.mod.o *~ .*.cmd Module.symvers
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rm -rf .tmp_versions
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KBUILD_EXTRA_SYMBOLS += $(CURDIR)/$(KBUILD_EXTMOD)/../mmi_charger/$(GKI_OBJ_MODULE_DIR)/Module.symvers
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/*
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* Copyright (c) 2022 Motorola Mobility, LLC.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SC760X_CHARGER_H
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#define _SC760X_CHARGER_H
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#include <linux/i2c.h>
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#include "mmi_charger.h"
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#define SC760X_MANUFACTURER "South Chip"
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#define SC760X_NAME "sc7603"
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#define SC760X_DRV_VERSION "1.0.0_G"
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enum {
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SC760X_MASTER = 0,
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SC760X_SLAVE,
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};
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#define IBAT_CHG_LIM_BASE 50
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#define IBAT_CHG_LIM_LSB 50
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#define ITRICHG_BASE 12500//uA
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#define ITRICHG_LSB 12500//uA
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#define IPRECHG_BASE 50
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#define IPRECHG_LSB 50
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#define VFC_CHG_BASE 2800
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#define VFC_CHG_LSB 50
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#define BAT_OVP_BASE 4000
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#define BAT_OVP_LSB 50
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#define SC760x_TERMCHRG_I_DEF_uA 180000
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#define SC760x_ICHRG_I_MAX_uA 3780000
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#define SC760x_ICHRG_I_DEF_uA 2000000
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#define SC760x_VREG_V_MAX_uV 4600000
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typedef enum {
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ADC_IBAT,
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ADC_VBAT,
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ADC_VCHG,
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ADC_TBAT,
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ADC_TDIE,
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ADC_MAX_NUM,
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}ADC_CH;
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//work mode
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typedef enum {
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WORK_FULLY_OFF = 0,
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WORK_TRICKLE_CHARGE,
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WORK_PRE_CHARGE,
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WORK_FULLY_ON,
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WORK_CURRENT_REGULATION,
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WORK_POWER_REGULATION,
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}WORK_MODE_T;
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//work mode
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typedef enum {
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DISCHARGING = 0,
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CHARGING,
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NOT_CHARGING,
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}CHG_STAT_T;
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enum sc760x_fields {
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DEVICE_REV, DEVICE_ID,
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IBAT_CHG_LIM,
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POW_LIM_DIS, VBALANCE_DIS, POW_LIM,
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ILIM_DIS, IBAT_CHG_LIM_DIS, BAT_DET_DIS, VDIFF_CHECK_DIS, LS_OFF, SHIP_EN,
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REG_RST, EN_LOWPOWER, VDIFF_OPEN_TH, AUTO_BSM_DIS, AUTO_BSM_TH, SHIP_WT,
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ITRICHG, VPRE_CHG,
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IPRECHG, VFC_CHG,
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CHG_OVP_DIS, CHG_OVP,
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BAT_OVP_DIS, BAT_OVP,
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CHG_OCP_DIS, CHG_OCP,
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DSG_OCP_DIS, DSG_OCP,
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TDIE_FLT_DIS, TDIE_FLT,
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TDIE_ALRM_DIS, TDIE_ALRM,
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CHG_OVP_DEG, BAT_OVP_DEG, CHG_OCP_DEG, DSG_OCP_DEG,
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AUTO_BSM_DEG,
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WORK_MODE, BAT_ABSENT_STAT, VDUFF_STAT,
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ADC_EN, ADC_RATE, ADC_FREEZE,
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F_MAX_FIELDS,
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};
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struct sc760x_cfg_e {
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int bat_chg_lim_disable;
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int bat_chg_lim;
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int pow_lim_disable;
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int ilim_disable;
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int load_switch_disable;
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int lp_mode_enable;
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int itrichg;
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int iprechg;
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int vfc_chg;
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int chg_ovp_disable;
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int chg_ovp;
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int bat_ovp_disable;
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int bat_ovp;
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int chg_ocp_disable;
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int chg_ocp;
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int dsg_ocp_disable;
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int dsg_ocp;
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int tdie_flt_disable;
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int tdie_alm_disable;
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int tdie_alm;
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};
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struct sc760x_init_data {
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u32 ichg; /* charge current */
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u32 iterm; /* termination current */
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u32 max_ichg;
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u32 max_vreg;
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u32 vrechg;
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bool charger_disabled;
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};
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struct sc760x_state {
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bool therm_limit;
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bool online;
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bool usb_online;
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bool wls_online;
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CHG_STAT_T chrg_stat;
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int chrg_type;
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int ibat_limit;
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int ibus_limit;
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int vbus_adc;
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int ibus_adc;
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int ibat_adc;
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int vbat_adc;
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int vchg_adc;
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int tbat_adc;
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int tdie_adc;
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WORK_MODE_T work_mode;
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};
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struct sc760x_mmi_charger {
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struct sc760x_chip *sc;
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struct mmi_battery_info batt_info;
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struct mmi_charger_info chg_info;
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struct mmi_charger_cfg chg_cfg;
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struct mmi_charger_constraint constraint;
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struct mmi_charger_driver *driver;
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u32 chrg_taper_cnt;
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const char *fg_psy_name;
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struct power_supply *fg_psy;
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struct mmi_battery_info paired_batt_info;
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};
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struct sc760x_chip {
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struct device *dev;
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struct i2c_client *client;
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struct regmap *regmap;
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struct regmap_field *rmap_fields[F_MAX_FIELDS];
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struct mutex lock;
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struct mutex i2c_rw_lock;
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struct dentry *debug_root;
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struct power_supply *wls_psy;
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struct power_supply *usb_psy;
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struct power_supply *charger_psy;
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struct wakeup_source *charger_wakelock;
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struct sc760x_cfg_e *cfg;
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struct sc760x_init_data init_data;
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struct sc760x_state state;
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int user_ichg; /* user charge current */
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int user_ilim; /* user input current */
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int user_chg_en; /* user charging enable */
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int user_chg_susp; /* user charger suspend */
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int irq;
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int role;
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int sc760x_enable;
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u32 *thermal_levels;
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u32 thermal_fcc_ua;
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int curr_thermal_level;
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int num_thermal_levels;
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bool use_ext_usb_psy;
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bool use_ext_wls_psy;
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struct delayed_work charge_detect_delayed_work;
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struct delayed_work charge_monitor_work;
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struct notifier_block psy_nb;
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struct sc760x_mmi_charger *mmi_charger;
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};
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#endif /* _SC760X_CHARGER_H */
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