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353 lines
12 KiB
353 lines
12 KiB
/*
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* sec_battery_ttf.c
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* Samsung Mobile Battery Driver
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*
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* Copyright (C) 2019 Samsung Electronics
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*
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include "sec_battery.h"
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#include "sec_battery_ttf.h"
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#define is_ttf_thermal_zone(thermal_zone) ( \
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thermal_zone == BAT_THERMAL_NORMAL || \
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thermal_zone == BAT_THERMAL_COOL1 || \
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thermal_zone == BAT_THERMAL_COOL2)
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int sec_calc_ttf(struct sec_battery_info * battery, unsigned int ttf_curr)
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{
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struct sec_cv_slope *cv_data = battery->ttf_d->cv_data;
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int i, cc_time = 0, cv_time = 0;
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int soc = battery->capacity;
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int charge_current = ttf_curr;
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int design_cap = battery->ttf_d->ttf_capacity;
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union power_supply_propval value = {0, };
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value.intval = SEC_FUELGAUGE_CAPACITY_TYPE_DYNAMIC_SCALE;
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psy_do_property(battery->pdata->fuelgauge_name, get,
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POWER_SUPPLY_PROP_CAPACITY, value);
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soc = value.intval;
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if (!cv_data || (ttf_curr <= 0)) {
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pr_info("%s: no cv_data or val: %d\n", __func__, ttf_curr);
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return -1;
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}
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for (i = 0; i < battery->ttf_d->cv_data_length; i++) {
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if (charge_current >= cv_data[i].fg_current)
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break;
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}
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i = i >= battery->ttf_d->cv_data_length ? battery->ttf_d->cv_data_length - 1 : i;
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if (cv_data[i].soc < soc) {
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for (i = 0; i < battery->ttf_d->cv_data_length; i++) {
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if (soc <= cv_data[i].soc)
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break;
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}
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cv_time =
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((cv_data[i - 1].time - cv_data[i].time) * (cv_data[i].soc - soc)
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/ (cv_data[i].soc - cv_data[i - 1].soc)) + cv_data[i].time;
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} else { /* CC mode || NONE */
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cv_time = cv_data[i].time;
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cc_time =
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design_cap * (cv_data[i].soc - soc) / ttf_curr * 3600 / 1000;
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pr_debug("%s: cc_time: %d\n", __func__, cc_time);
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if (cc_time < 0)
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cc_time = 0;
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}
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pr_info("%s: cap: %d, soc: %4d, T: %6d, avg: %4d, cv soc: %4d, i: %4d, val: %d\n",
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__func__, design_cap, soc, cv_time + cc_time,
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battery->current_avg, cv_data[i].soc, i, ttf_curr);
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if (cv_time + cc_time >= 0)
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return cv_time + cc_time + 60;
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else
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return 60; /* minimum 1minutes */
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}
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#define FULL_CAPACITY 850
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int sec_calc_ttf_to_full_capacity(struct sec_battery_info *battery, unsigned int ttf_curr)
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{
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struct sec_cv_slope *cv_data = battery->ttf_d->cv_data;
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int i, cc_time = 0, cv_time = 0;
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int soc = FULL_CAPACITY;
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int charge_current = ttf_curr;
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int design_cap = battery->ttf_d->ttf_capacity;
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if (!cv_data || (ttf_curr <= 0)) {
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pr_info("%s: no cv_data or val: %d\n", __func__, ttf_curr);
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return -1;
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}
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for (i = 0; i < battery->ttf_d->cv_data_length; i++) {
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if (charge_current >= cv_data[i].fg_current)
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break;
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}
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i = i >= battery->ttf_d->cv_data_length ? battery->ttf_d->cv_data_length - 1 : i;
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if (cv_data[i].soc < soc) {
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for (i = 0; i < battery->ttf_d->cv_data_length; i++) {
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if (soc <= cv_data[i].soc)
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break;
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}
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cv_time =
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((cv_data[i - 1].time - cv_data[i].time) * (cv_data[i].soc - soc)
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/ (cv_data[i].soc - cv_data[i - 1].soc)) + cv_data[i].time;
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} else { /* CC mode || NONE */
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cv_time = cv_data[i].time;
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cc_time =
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design_cap * (cv_data[i].soc - soc) / ttf_curr * 3600 / 1000;
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pr_debug("%s: cc_time: %d\n", __func__, cc_time);
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if (cc_time < 0)
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cc_time = 0;
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}
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pr_info("%s: cap: %d, soc: %4d, T: %6d, avg: %4d, cv soc: %4d, i: %4d, val: %d\n",
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__func__, design_cap, soc, cv_time + cc_time,
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battery->current_avg, cv_data[i].soc, i, ttf_curr);
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if (cv_time + cc_time >= 0)
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return cv_time + cc_time;
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else
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return 0;
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}
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void sec_bat_calc_time_to_full(struct sec_battery_info * battery)
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{
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if (delayed_work_pending(&battery->ttf_d->timetofull_work)) {
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pr_info("%s: keep time_to_full(%5d sec)\n", __func__, battery->ttf_d->timetofull);
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} else if ((battery->status == POWER_SUPPLY_STATUS_CHARGING ||
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(battery->status == POWER_SUPPLY_STATUS_FULL && battery->capacity != 100)) && !battery->wc_tx_enable) {
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int charge = 0;
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if (is_hv_wire_12v_type(battery->cable_type)) {
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charge = battery->ttf_d->ttf_hv_12v_charge_current;
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} else if (is_hv_wireless_type(battery->cable_type) ||
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battery->cable_type == SEC_BATTERY_CABLE_PREPARE_WIRELESS_HV ||
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battery->cable_type == SEC_BATTERY_CABLE_PREPARE_WIRELESS_20) {
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if (sec_bat_hv_wc_normal_mode_check(battery))
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charge = battery->ttf_d->ttf_wireless_charge_current;
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else if((battery->cable_type == SEC_BATTERY_CABLE_PREPARE_WIRELESS_20 && !lpcharge) ||
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battery->cable_type == SEC_BATTERY_CABLE_HV_WIRELESS_20)
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charge = battery->ttf_d->ttf_predict_wc20_charge_current;
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else
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charge = battery->ttf_d->ttf_hv_wireless_charge_current;
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} else if (is_hv_wire_type(battery->cable_type)) {
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charge = battery->ttf_d->ttf_hv_charge_current;
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} else if (is_nv_wireless_type(battery->cable_type)) {
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charge = battery->ttf_d->ttf_wireless_charge_current;
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#if defined(CONFIG_PDIC_NOTIFIER)
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} else if (is_pd_apdo_wire_type(battery->cable_type) ||
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(is_pd_fpdo_wire_type(battery->cable_type) && battery->pdic_info.sink_status.available_pdo_num > 1)) {
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if (battery->pd_max_charge_power > HV_CHARGER_STATUS_STANDARD4) {
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charge = battery->ttf_d->ttf_dc45_charge_current;
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} else if (battery->pd_max_charge_power > HV_CHARGER_STATUS_STANDARD3) {
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charge = battery->ttf_d->ttf_dc25_charge_current;
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} else if (battery->pd_max_charge_power <= battery->pdata->pd_charging_charge_power &&
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battery->pdata->charging_current[battery->cable_type].fast_charging_current >= \
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battery->pdata->max_charging_current) { /* same PD power with AFC */
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charge = battery->ttf_d->ttf_hv_charge_current;
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} else { /* other PD charging */
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charge = (battery->pd_max_charge_power / 5) > battery->pdata->charging_current[battery->cable_type].fast_charging_current ?
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battery->pdata->charging_current[battery->cable_type].fast_charging_current : (battery->pd_max_charge_power / 5);
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}
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#endif
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} else {
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charge = (battery->max_charge_power / 5) > battery->pdata->charging_current[battery->cable_type].fast_charging_current ?
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battery->pdata->charging_current[battery->cable_type].fast_charging_current : (battery->max_charge_power / 5);
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}
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if (battery->batt_full_capacity > 0 && battery->batt_full_capacity < 100) {
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pr_info("%s: time to 85 percent\n", __func__);
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battery->ttf_d->timetofull =
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sec_calc_ttf(battery, charge) - sec_calc_ttf_to_full_capacity(battery, charge);
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} else {
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battery->ttf_d->timetofull = sec_calc_ttf(battery, charge);
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}
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dev_info(battery->dev, "%s: T: %5d sec, passed time: %5ld, current: %d\n",
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__func__, battery->ttf_d->timetofull, battery->charging_passed_time, charge);
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} else {
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battery->ttf_d->timetofull = -1;
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}
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}
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#ifdef CONFIG_OF
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int sec_ttf_parse_dt(struct sec_battery_info *battery)
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{
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struct device_node *np;
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struct sec_ttf_data *pdata = battery->ttf_d;
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sec_battery_platform_data_t *bpdata = battery->pdata;
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int ret = 0, len = 0;
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const u32 *p;
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pdata->pdev = battery;
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np = of_find_node_by_name(NULL, "battery");
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if (!np) {
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pr_info("%s: np NULL\n", __func__);
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return 1;
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}
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ret = of_property_read_u32(np, "battery,ttf_hv_12v_charge_current",
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&pdata->ttf_hv_12v_charge_current);
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if (ret) {
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pdata->ttf_hv_12v_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_12V_TA].fast_charging_current;
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pr_info("%s: ttf_hv_12v_charge_current is Empty, Default value %d\n",
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__func__, pdata->ttf_hv_12v_charge_current);
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}
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ret = of_property_read_u32(np, "battery,ttf_hv_charge_current",
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&pdata->ttf_hv_charge_current);
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if (ret) {
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pdata->ttf_hv_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_9V_TA].fast_charging_current;
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pr_info("%s: ttf_hv_charge_current is Empty, Default value %d\n",
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__func__, pdata->ttf_hv_charge_current);
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}
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ret = of_property_read_u32(np, "battery,ttf_hv_wireless_charge_current",
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&pdata->ttf_hv_wireless_charge_current);
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if (ret) {
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pr_info("%s: ttf_hv_wireless_charge_current is Empty, Default value 0\n", __func__);
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pdata->ttf_hv_wireless_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_HV_WIRELESS].fast_charging_current - 300;
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}
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ret = of_property_read_u32(np, "battery,ttf_hv_12v_wireless_charge_current",
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&pdata->ttf_hv_12v_wireless_charge_current);
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if (ret) {
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pr_info("%s: ttf_hv_12v_wireless_charge_current is Empty, Default value 0\n", __func__);
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pdata->ttf_hv_12v_wireless_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_HV_WIRELESS_20].fast_charging_current - 300;
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}
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ret = of_property_read_u32(np, "battery,ttf_wireless_charge_current",
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&pdata->ttf_wireless_charge_current);
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if (ret) {
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pr_info("%s: ttf_wireless_charge_current is Empty, Default value 0\n", __func__);
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pdata->ttf_wireless_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_WIRELESS].input_current_limit;
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}
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/* temporary dt setting */
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ret = of_property_read_u32(np, "battery,ttf_predict_wc20_charge_current",
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&pdata->ttf_predict_wc20_charge_current);
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if (ret) {
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pr_info("%s: ttf_predict_wc20_charge_current is Empty, Default value 0\n", __func__);
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pdata->ttf_predict_wc20_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_WIRELESS].input_current_limit;
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}
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ret = of_property_read_u32(np, "battery,ttf_dc25_charge_current",
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&pdata->ttf_dc25_charge_current);
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if (ret) {
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pr_info("%s: ttf_dc25_charge_current is Empty, Default value 0 \n", __func__);
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pdata->ttf_dc25_charge_current =
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bpdata->charging_current[SEC_BATTERY_CABLE_9V_TA].fast_charging_current;
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}
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ret = of_property_read_u32(np, "battery,ttf_dc45_charge_current",
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&pdata->ttf_dc45_charge_current);
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if (ret) {
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pr_info("%s: ttf_dc45_charge_current is Empty, Default value 0 \n", __func__);
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pdata->ttf_dc45_charge_current = pdata->ttf_dc25_charge_current;
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}
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ret = of_property_read_u32(np, "battery,ttf_capacity",
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&pdata->ttf_capacity);
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if (ret < 0) {
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pr_err("%s error reading capacity_calculation_type %d\n", __func__, ret);
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pdata->ttf_capacity = bpdata->battery_full_capacity;
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}
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p = of_get_property(np, "battery,cv_data", &len);
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if (p) {
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pdata->cv_data = kzalloc(len, GFP_KERNEL);
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pdata->cv_data_length = len / sizeof(struct sec_cv_slope);
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pr_err("%s: len= %ld, length= %d, %d\n", __func__,
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sizeof(int) * len, len, pdata->cv_data_length);
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ret = of_property_read_u32_array(np, "battery,cv_data",
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(u32 *)pdata->cv_data, len / sizeof(u32));
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if (ret) {
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pr_err("%s: failed to read battery->cv_data: %d\n",
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__func__, ret);
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kfree(pdata->cv_data);
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pdata->cv_data = NULL;
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}
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} else {
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pr_err("%s: there is not cv_data\n", __func__);
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}
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return 0;
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}
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#endif
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void sec_bat_time_to_full_work(struct work_struct *work)
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{
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struct sec_ttf_data *dev = container_of(work,
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struct sec_ttf_data, timetofull_work.work);
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struct sec_battery_info *battery = dev->pdev;
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union power_supply_propval value = {0, };
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psy_do_property(battery->pdata->charger_name, get,
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POWER_SUPPLY_PROP_CURRENT_MAX, value);
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battery->current_max = value.intval;
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value.intval = SEC_BATTERY_CURRENT_MA;
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psy_do_property(battery->pdata->fuelgauge_name, get,
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POWER_SUPPLY_PROP_CURRENT_NOW, value);
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battery->current_now = value.intval;
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value.intval = SEC_BATTERY_CURRENT_MA;
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psy_do_property(battery->pdata->fuelgauge_name, get,
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POWER_SUPPLY_PROP_CURRENT_AVG, value);
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battery->current_avg = value.intval;
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sec_bat_calc_time_to_full(battery);
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dev_info(battery->dev, "%s:\n",__func__);
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if (battery->voltage_now > 0)
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battery->voltage_now--;
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power_supply_changed(battery->psy_bat);
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}
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void ttf_work_start(struct sec_battery_info *battery)
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{
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if (lpcharge) {
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cancel_delayed_work(&battery->ttf_d->timetofull_work);
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if (battery->current_event & SEC_BAT_CURRENT_EVENT_AFC) {
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int work_delay = 0;
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if (!is_wireless_type(battery->cable_type)) {
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work_delay = battery->pdata->pre_afc_work_delay;
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} else {
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work_delay = battery->pdata->pre_wc_afc_work_delay;
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}
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queue_delayed_work(battery->monitor_wqueue,
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&battery->ttf_d->timetofull_work, msecs_to_jiffies(work_delay));
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}
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}
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}
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int ttf_display(struct sec_battery_info *battery)
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{
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if (battery->capacity == 100)
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return 0;
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if (((battery->status == POWER_SUPPLY_STATUS_CHARGING) ||
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(battery->status == POWER_SUPPLY_STATUS_FULL && battery->capacity != 100)) &&
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is_ttf_thermal_zone(battery->thermal_zone))
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return battery->ttf_d->timetofull;
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else
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return 0;
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}
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void ttf_init(struct sec_battery_info *battery)
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{
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battery->ttf_d = kzalloc(sizeof(struct sec_ttf_data),
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GFP_KERNEL);
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if (!battery->ttf_d) {
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pr_err("Failed to allocate memory\n");
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}
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sec_ttf_parse_dt(battery);
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battery->ttf_d->timetofull = -1;
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INIT_DELAYED_WORK(&battery->ttf_d->timetofull_work, sec_bat_time_to_full_work);
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}
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