| /* Copyright (c) 2012-2015, 2018, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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 __BMS_BATTERYDATA_H |
| #define __BMS_BATTERYDATA_H |
| |
| #include <linux/errno.h> |
| |
| #define FCC_CC_COLS 5 |
| #define FCC_TEMP_COLS 8 |
| |
| #define PC_CC_ROWS 31 |
| #define PC_CC_COLS 13 |
| |
| #define PC_TEMP_ROWS 31 |
| #define PC_TEMP_COLS 8 |
| |
| #define ACC_IBAT_ROWS 4 |
| #define ACC_TEMP_COLS 3 |
| |
| #define MAX_SINGLE_LUT_COLS 20 |
| |
| #define MAX_BATT_ID_NUM 4 |
| #define DEGC_SCALE 10 |
| |
| struct single_row_lut { |
| int x[MAX_SINGLE_LUT_COLS]; |
| int y[MAX_SINGLE_LUT_COLS]; |
| int cols; |
| }; |
| |
| /** |
| * struct sf_lut - |
| * @rows: number of percent charge entries should be <= PC_CC_ROWS |
| * @cols: number of charge cycle entries should be <= PC_CC_COLS |
| * @row_entries: the charge cycles/temperature at which sf data |
| * is available in the table. |
| * The charge cycles must be in increasing order from 0 to rows. |
| * @percent: the percent charge at which sf data is available in the table |
| * The percentcharge must be in decreasing order from 0 to cols. |
| * @sf: the scaling factor data |
| */ |
| struct sf_lut { |
| int rows; |
| int cols; |
| int row_entries[PC_CC_COLS]; |
| int percent[PC_CC_ROWS]; |
| int sf[PC_CC_ROWS][PC_CC_COLS]; |
| }; |
| |
| /** |
| * struct pc_temp_ocv_lut - |
| * @rows: number of percent charge entries should be <= PC_TEMP_ROWS |
| * @cols: number of temperature entries should be <= PC_TEMP_COLS |
| * @temp: the temperatures at which ocv data is available in the table |
| * The temperatures must be in increasing order from 0 to rows. |
| * @percent: the percent charge at which ocv data is available in the table |
| * The percentcharge must be in decreasing order from 0 to cols. |
| * @ocv: the open circuit voltage |
| */ |
| struct pc_temp_ocv_lut { |
| int rows; |
| int cols; |
| int temp[PC_TEMP_COLS]; |
| int percent[PC_TEMP_ROWS]; |
| int ocv[PC_TEMP_ROWS][PC_TEMP_COLS]; |
| }; |
| |
| struct ibat_temp_acc_lut { |
| int rows; |
| int cols; |
| int temp[ACC_TEMP_COLS]; |
| int ibat[ACC_IBAT_ROWS]; |
| int acc[ACC_IBAT_ROWS][ACC_TEMP_COLS]; |
| }; |
| |
| struct batt_ids { |
| int kohm[MAX_BATT_ID_NUM]; |
| int num; |
| }; |
| |
| enum battery_type { |
| BATT_UNKNOWN = 0, |
| BATT_PALLADIUM, |
| BATT_DESAY, |
| BATT_OEM, |
| BATT_QRD_4V35_2000MAH, |
| BATT_QRD_4V2_1300MAH, |
| }; |
| |
| /** |
| * struct bms_battery_data - |
| * @fcc: full charge capacity (mAmpHour) |
| * @fcc_temp_lut: table to get fcc at a given temp |
| * @pc_temp_ocv_lut: table to get percent charge given batt temp and cycles |
| * @pc_sf_lut: table to get percent charge scaling factor given cycles |
| * and percent charge |
| * @rbatt_sf_lut: table to get battery resistance scaling factor given |
| * temperature and percent charge |
| * @default_rbatt_mohm: the default value of battery resistance to use when |
| * readings from bms are not available. |
| * @delta_rbatt_mohm: the resistance to be added towards lower soc to |
| * compensate for battery capacitance. |
| * @rbatt_capacitve_mohm: the resistance to be added to compensate for |
| * battery capacitance |
| * @flat_ocv_threshold_uv: the voltage where the battery's discharge curve |
| * starts flattening out. |
| * @max_voltage_uv: max voltage of the battery |
| * @cutoff_uv: cutoff voltage of the battery |
| * @iterm_ua: termination current of the battery when charging |
| * to 100% |
| * @batt_id_kohm: the best matched battery id resistor value |
| * @fastchg_current_ma: maximum fast charge current |
| * @fg_cc_cv_threshold_mv: CC to CV threashold voltage |
| */ |
| |
| struct bms_battery_data { |
| unsigned int fcc; |
| struct single_row_lut *fcc_temp_lut; |
| struct single_row_lut *fcc_sf_lut; |
| struct pc_temp_ocv_lut *pc_temp_ocv_lut; |
| struct ibat_temp_acc_lut *ibat_acc_lut; |
| struct sf_lut *pc_sf_lut; |
| struct sf_lut *rbatt_sf_lut; |
| int default_rbatt_mohm; |
| int delta_rbatt_mohm; |
| int rbatt_capacitive_mohm; |
| int flat_ocv_threshold_uv; |
| int max_voltage_uv; |
| int cutoff_uv; |
| int iterm_ua; |
| int batt_id_kohm; |
| int fastchg_current_ma; |
| int fg_cc_cv_threshold_mv; |
| const char *battery_type; |
| }; |
| |
| #define is_between(left, right, value) \ |
| (((left) >= (right) && (left) >= (value) \ |
| && (value) >= (right)) \ |
| || ((left) <= (right) && (left) <= (value) \ |
| && (value) <= (right))) |
| |
| #if defined(CONFIG_PM8921_BMS) || \ |
| defined(CONFIG_PM8921_BMS_MODULE) || \ |
| defined(CONFIG_QPNP_BMS) || \ |
| defined(CONFIG_QPNP_VM_BMS) |
| extern struct bms_battery_data palladium_1500_data; |
| extern struct bms_battery_data desay_5200_data; |
| extern struct bms_battery_data oem_batt_data; |
| extern struct bms_battery_data QRD_4v35_2000mAh_data; |
| extern struct bms_battery_data qrd_4v2_1300mah_data; |
| |
| int interpolate_fcc_bms(struct single_row_lut *fcc_temp_lut, int batt_temp); |
| int interpolate_scalingfactor_bms(struct sf_lut *sf_lut, int row_entry, int pc); |
| int interpolate_scalingfactor_fcc_bms(struct single_row_lut *fcc_sf_lut, |
| int cycles); |
| int interpolate_pc_bms(struct pc_temp_ocv_lut *pc_temp_ocv, |
| int batt_temp_degc, int ocv); |
| int interpolate_ocv_bms(struct pc_temp_ocv_lut *pc_temp_ocv, |
| int batt_temp_degc, int pc); |
| int interpolate_slope_bms(struct pc_temp_ocv_lut *pc_temp_ocv, |
| int batt_temp, int pc); |
| int interpolate_acc_bms(struct ibat_temp_acc_lut *ibat_acc_lut, |
| int batt_temp, int ibat); |
| int linear_interpolate_bms(int y0, int x0, int y1, int x1, int x); |
| #else |
| static inline int interpolate_fcc_bms(struct single_row_lut *fcc_temp_lut, |
| int batt_temp) |
| { |
| return -EINVAL; |
| } |
| static inline int interpolate_scalingfactor_bms(struct sf_lut *sf_lut, |
| int row_entry, int pc) |
| { |
| return -EINVAL; |
| } |
| static inline int interpolate_scalingfactor_fcc_bms( |
| struct single_row_lut *fcc_sf_lut, int cycles) |
| { |
| return -EINVAL; |
| } |
| static inline int interpolate_pc_bms(struct pc_temp_ocv_lut *pc_temp_ocv, |
| int batt_temp_degc, int ocv) |
| { |
| return -EINVAL; |
| } |
| static inline int interpolate_ocv_bms(struct pc_temp_ocv_lut *pc_temp_ocv, |
| int batt_temp_degc, int pc) |
| { |
| return -EINVAL; |
| } |
| static inline int interpolate_slope_bms(struct pc_temp_ocv_lut *pc_temp_ocv, |
| int batt_temp, int pc) |
| { |
| return -EINVAL; |
| } |
| static inline int linear_interpolate_bms(int y0, int x0, int y1, int x1, int x) |
| { |
| return -EINVAL; |
| } |
| static inline int interpolate_acc_bms(struct ibat_temp_acc_lut *ibat_acc_lut, |
| int batt_temp, int ibat) |
| { |
| return -EINVAL; |
| } |
| #endif |
| |
| #endif |