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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-09 13:49:24 -04:00
power: max170xx: Add MAX170XX driver
Create initial drop for MAX170XX which is based on based on teh max17042 driver. Change-Id: Ide3cd2e8fd0dc5585c0c10665873b66845b2c45e Signed-off-by: Kenny Kessler <kenny.kessler@motorola.com> Reviewed-on: https://gerrit.mot.com/1197354 SLTApproved: Slta Waiver SME-Granted: SME Approvals Granted Tested-by: Jira Key Reviewed-by: Ryan Lattrel <ryanl@motorola.com> Reviewed-by: Kenneth Kessler <kennykessler@motorola.com> Submit-Approved: Jira Key
This commit is contained in:
Kenny Kessler
Kenneth Kessler
parent
20fae43331
commit
f8997df374
6 changed files with 2805 additions and 0 deletions
4
drivers/power/Android.mk
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4
drivers/power/Android.mk
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DLKM_DIR := motorola/kernel/modules
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LOCAL_PATH := $(call my-dir)
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include $(call first-makefiles-under,$(LOCAL_PATH))
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8
drivers/power/max170xx/Android.mk
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drivers/power/max170xx/Android.mk
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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 := max170xx_battery_mmi.ko
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(KERNEL_MODULES_OUT)
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include $(DLKM_DIR)/AndroidKernelModule.mk
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5
drivers/power/max170xx/Kbuild
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drivers/power/max170xx/Kbuild
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# add -Wall to try to catch everything we can.
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EXTRA_CFLAGS += -Wall
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EXTRA_CFLAGS += -I$(TOP)/motorola/kernel/modules/include
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obj-m += max170xx_battery_mmi.o
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10
drivers/power/max170xx/Makefile
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drivers/power/max170xx/Makefile
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KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
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all:
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$(MAKE) -C $(KERNEL_SRC) M=$(shell pwd) modules $(KBUILD_OPTIONS)
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modules_install:
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$(MAKE) INSTALL_MOD_STRIP=1 -C $(KERNEL_SRC) M=$(shell pwd) modules_install
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clean:
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$(MAKE) -C $(KERNEL_SRC) M=$(PWD) clean
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2515
drivers/power/max170xx/max170xx_battery_mmi.c
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2515
drivers/power/max170xx/max170xx_battery_mmi.c
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File diff suppressed because it is too large
Load diff
263
include/linux/power/max170xx_battery_mmi.h
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include/linux/power/max170xx_battery_mmi.h
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/*
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* Fuel gauge driver for Maxim 17042 / 8966 / 8997
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* Note that Maxim 8966 and 8997 are mfd and this is its subdevice.
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*
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* Copyright (C) 2011 Samsung Electronics
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* MyungJoo Ham <myungjoo.ham@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __MAX170XX_BATTERY_MMI_H_
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#define __MAX170XX_BATTERY_MMI_H_
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#define MAX17042_STATUS_BattAbsent (1 << 3)
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#define MAX17042_BATTERY_FULL (100)
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#define MAX17042_DEFAULT_SNS_RESISTOR (10000)
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#define MAX17042_CHARACTERIZATION_DATA_SIZE 48
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#define MAX17042_CONFIG_TEX (BIT(0)<<8)
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#define MAX17042_CONFIG_TEN (BIT(1)<<8)
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#define MAX17042_ALRT_MSK_MAX 0xFF00
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#define MAX17042_ALRT_MSK_MIN 0x00FF
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enum max17042_register {
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MAX17042_STATUS = 0x00,
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MAX17042_VALRT_Th = 0x01,
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MAX17042_TALRT_Th = 0x02,
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MAX17042_SALRT_Th = 0x03,
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MAX17042_AtRate = 0x04,
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MAX17042_RepCap = 0x05,
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MAX17042_RepSOC = 0x06,
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MAX17042_Age = 0x07,
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MAX17042_TEMP = 0x08,
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MAX17042_VCELL = 0x09,
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MAX17042_Current = 0x0A,
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MAX17042_AvgCurrent = 0x0B,
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MAX17042_SOC = 0x0D,
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MAX17042_AvSOC = 0x0E,
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MAX17042_RemCap = 0x0F,
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MAX17042_FullCAP = 0x10,
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MAX17042_TTE = 0x11,
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MAX17042_V_empty = 0x12,
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MAX17042_RSLOW = 0x14,
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MAX17042_AvgTA = 0x16,
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MAX17042_Cycles = 0x17,
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MAX17042_DesignCap = 0x18,
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MAX17042_AvgVCELL = 0x19,
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MAX17042_MinMaxTemp = 0x1A,
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MAX17042_MinMaxVolt = 0x1B,
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MAX17042_MinMaxCurr = 0x1C,
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MAX17042_CONFIG = 0x1D,
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MAX17042_ICHGTerm = 0x1E,
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MAX17042_AvCap = 0x1F,
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MAX17042_ManName = 0x20,
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MAX17042_DevName = 0x21,
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MAX17042_FullCAPNom = 0x23,
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MAX17042_TempNom = 0x24,
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MAX17042_TempLim = 0x25,
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MAX17042_TempHot = 0x26,
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MAX17042_AIN = 0x27,
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MAX17042_LearnCFG = 0x28,
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MAX17042_FilterCFG = 0x29,
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MAX17042_RelaxCFG = 0x2A,
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MAX17042_MiscCFG = 0x2B,
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MAX17042_TGAIN = 0x2C,
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MAx17042_TOFF = 0x2D,
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MAX17042_CGAIN = 0x2E,
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MAX17042_COFF = 0x2F,
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MAX17042_MaskSOC = 0x32,
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MAX17042_SOC_empty = 0x33,
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MAX17042_T_empty = 0x34,
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MAX17042_FullCAP0 = 0x35,
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MAX17042_LAvg_empty = 0x36,
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MAX17042_FCTC = 0x37,
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MAX17042_RCOMP0 = 0x38,
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MAX17042_TempCo = 0x39,
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MAX17042_EmptyTempCo = 0x3A,
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MAX17042_K_empty0 = 0x3B,
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MAX17042_TaskPeriod = 0x3C,
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MAX17042_FSTAT = 0x3D,
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MAX17042_SHDNTIMER = 0x3F,
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MAX17042_dQacc = 0x45,
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MAX17042_dPacc = 0x46,
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MAX17042_VFSOC0 = 0x48,
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MAX17042_QH0 = 0x4C,
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MAX17042_QH = 0x4D,
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MAX17042_QL = 0x4E,
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MAX17042_VFSOC0Enable = 0x60,
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MAX17042_MLOCKReg1 = 0x62,
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MAX17042_MLOCKReg2 = 0x63,
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MAX17042_MODELChrTbl = 0x80,
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MAX17042_OCV = 0xEE,
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MAX17042_OCVInternal = 0xFB,
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MAX17042_VFSOC = 0xFF,
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};
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/* Registers specific to max17047/50 */
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enum max17047_register {
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MAX17047_QRTbl00 = 0x12,
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MAX17047_FullSOCThr = 0x13,
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MAX17047_QRTbl10 = 0x22,
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MAX17047_QRTbl20 = 0x32,
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MAX17047_V_empty = 0x3A,
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MAX17047_QRTbl30 = 0x42,
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};
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enum max170xx_chip_type {
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MAXIM_DEVICE_TYPE_UNKNOWN = 0,
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MAXIM_DEVICE_TYPE_MAX17042,
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MAXIM_DEVICE_TYPE_MAX17047,
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MAXIM_DEVICE_TYPE_MAX17050,
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MAXIM_DEVICE_TYPE_NUM
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};
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/*
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* used for setting a register to a desired value
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* addr : address for a register
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* data : setting value for the register
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*/
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struct max17042_reg_data {
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u8 addr;
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u16 data;
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};
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struct max17042_config_data {
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/* Revision of this Data*/
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u16 revision;
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/* External current sense resistor value in milli-ohms */
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u32 cur_sense_val;
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/* A/D measurement */
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u16 tgain; /* 0x2C */
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u16 toff; /* 0x2D */
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u16 cgain; /* 0x2E */
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u16 coff; /* 0x2F */
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/* Alert / Status */
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u16 valrt_thresh; /* 0x01 */
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u16 talrt_thresh; /* 0x02 */
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u16 soc_alrt_thresh; /* 0x03 */
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u16 config; /* 0x01D */
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u16 shdntimer; /* 0x03F */
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/* App data */
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u16 full_soc_thresh; /* 0x13 */
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u16 design_cap; /* 0x18 */
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u16 ichgt_term; /* 0x1E */
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/* MG3 config */
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u16 at_rate; /* 0x04 */
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u16 learn_cfg; /* 0x28 */
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u16 filter_cfg; /* 0x29 */
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u16 relax_cfg; /* 0x2A */
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u16 misc_cfg; /* 0x2B */
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u16 masksoc; /* 0x32 */
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/* MG3 save and restore */
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u16 fullcap; /* 0x10 */
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u16 fullcapnom; /* 0x23 */
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u16 socempty; /* 0x33 */
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u16 lavg_empty; /* 0x36 */
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u16 dqacc; /* 0x45 */
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u16 dpacc; /* 0x46 */
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u16 qrtbl00; /* 0x12 */
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u16 qrtbl10; /* 0x22 */
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u16 qrtbl20; /* 0x32 */
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u16 qrtbl30; /* 0x42 */
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/* Cell technology from power_supply.h */
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u16 cell_technology;
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/* Cell Data */
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u16 vempty; /* 0x12 */
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u16 temp_nom; /* 0x24 */
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u16 temp_lim; /* 0x25 */
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u16 fctc; /* 0x37 */
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u16 rcomp0; /* 0x38 */
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u16 tcompc0; /* 0x39 */
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u16 empty_tempco; /* 0x3A */
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u16 kempty0; /* 0x3B */
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u16 cell_char_tbl[MAX17042_CHARACTERIZATION_DATA_SIZE];
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} __packed;
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/*
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* used to convert a value from Temperature register to a "real" temp value.
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* This conversion table can be used when configuring tgain and toff is not
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* sufficient to get accurate temperature measurements.
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* The result[0] corresponds to start temp, result[1] to (start + 1) temp, etc.
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*/
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struct max17042_temp_conv {
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s16 start; /* Centigrade */
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s16 *result; /* Deci-centigrade */
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int num_result; /* Number of entries in result array */
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};
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struct max17042_platform_data {
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struct max17042_reg_data *init_data;
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struct max17042_config_data *config_data;
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int num_init_data; /* Number of enties in init_data array */
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struct gpio *gpio_list;
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int num_gpio_list; /* Number of entries in gpio_list array */
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struct max17042_temp_conv *tcnv; /* temp conversion table */
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bool enable_current_sense;
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bool enable_por_init; /* Use POR init from Maxim appnote */
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/*
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* R_sns in micro-ohms.
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* default 10000 (if r_sns = 0) as it is the recommended value by
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* the datasheet although it can be changed by board designers.
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*/
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unsigned int r_sns;
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int vmin; /* in millivolts */
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int vmax; /* in millivolts */
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int temp_min; /* in tenths of degree Celsius */
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int temp_max; /* in tenths of degree Celsius */
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/*
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* Enable this flag to report "0" SOC iff battery undervoltage interrupt
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* has fired.
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*/
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bool batt_undervoltage_zero_soc;
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const char *batt_psy_name;
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int warm_temp_c;
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int hot_temp_c;
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int cool_temp_c;
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int cold_temp_c;
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int hotspot_thrs_c;
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bool use_external_temp;
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bool main_psy;
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};
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#endif /* __MAX170XX_BATTERY_MMI_H_ */
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