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boot: refactor battery checking to use new powctl apis

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This commit is contained in:
Michael Scire
2020-11-08 04:16:50 -08:00
parent cd7d7894f1
commit e93c3cbf58
44 changed files with 1426 additions and 1554 deletions
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161
libraries/libstratosphere/include/stratosphere/powctl/driver/impl/powctl_charge_arbiter.hpp Normal file
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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/powctl/powctl_types.hpp>
#include <stratosphere/powctl/driver/impl/powctl_select_charger_parameters.hpp>
namespace ams::powctl::driver::impl {
class ChargeArbiter {
private:
const ChargeParametersRule *rules;
size_t num_rules;
int charge_voltage_limit;
BatteryTemperatureLevel temperature_level;
int avg_v_cell;
int open_circuit_voltage;
bool has_battery_done_current;
int battery_done_current;
PowerState power_state;
const ChargeParametersRule *selected_rule;
bool check_battery_done_current;
private:
static constexpr bool IsInRange(int value, int min, int max) {
if (!(min <= value)) {
return false;
}
if (max == std::numeric_limits<int>::max()) {
return value <= max;
} else {
return value < max;
}
}
bool IsAcceptablePowerState(const PowerState *acceptable, size_t num_acceptable) const {
for (size_t i = 0; i < num_acceptable; ++i) {
if (this->power_state == acceptable[i]) {
return true;
}
}
return false;
}
public:
ChargeArbiter(const ChargeParametersRule *r, size_t nr, int cvl)
: rules(r), num_rules(nr), charge_voltage_limit(cvl), temperature_level(BatteryTemperatureLevel::Medium),
avg_v_cell(4080), open_circuit_voltage(4001), has_battery_done_current(false), battery_done_current(0),
power_state(PowerState::FullAwake), selected_rule(nullptr), check_battery_done_current(false)
{
this->UpdateSelectedRule();
}
void SetBatteryTemperatureLevel(BatteryTemperatureLevel btl) {
this->temperature_level = btl;
this->UpdateSelectedRule();
}
void SetBatteryAverageVCell(int avg) {
this->avg_v_cell = avg;
this->UpdateSelectedRule();
}
void SetBatteryOpenCircuitVoltage(int ocv) {
this->open_circuit_voltage = ocv;
this->UpdateSelectedRule();
}
void SetBatteryDoneCurrent(int current) {
this->battery_done_current = current;
this->has_battery_done_current = true;
this->UpdateSelectedRule();
}
void SetPowerState(PowerState ps) {
this->power_state = ps;
this->UpdateSelectedRule();
}
int GetChargeVoltageLimit() const {
return this->charge_voltage_limit;
}
bool IsBatteryDoneCurrentAcceptable(int current) const {
const auto *rule = this->GetSelectedRule();
AMS_ASSERT(rule != nullptr);
return IsInRange(0, rule->min_battery_done_current, rule->max_battery_done_current);
}
const ChargeParametersRule *GetSelectedRule() const {
return this->selected_rule;
}
void UpdateSelectedRule() {
/* Try to find an entry that fits our current requirements. */
const ChargeParametersRule *best_rule = nullptr;
for (size_t i = 0; i < this->num_rules; ++i) {
/* Get the current rule. */
const ChargeParametersRule &cur_rule = this->rules[i];
/* Check the temperature level. */
if (this->temperature_level != cur_rule.temperature_level) {
continue;
}
/* Check that average voltage is in range. */
if (!IsInRange(this->avg_v_cell, cur_rule.min_avg_v_cell, cur_rule.max_avg_v_cell)) {
continue;
}
/* Check that open circuit voltage is in range. */
if (!IsInRange(this->open_circuit_voltage, cur_rule.min_open_circuit_voltage, cur_rule.max_open_circuit_voltage)) {
continue;
}
/* Check if our power state is acceptable. */
if (!this->IsAcceptablePowerState(cur_rule.acceptable_power_states, cur_rule.num_acceptable_power_states)) {
continue;
}
/* The limit is probably acceptable. */
if (this->selected_rule != std::addressof(cur_rule)) {
/* We're selecting a new rule. Check if our need to deal with battery current is acceptable. */
if (cur_rule.check_battery_current && this->check_battery_done_current) {
continue;
}
/* Set whether we need to check the battery done current. */
this->has_battery_done_current = false;
this->check_battery_done_current |= cur_rule.check_battery_current;
} else {
/* We're selecting the currently selected rule. Make sure the battery done current is acceptable if we have one. */
if (this->has_battery_done_current && !IsInRange(this->battery_done_current, cur_rule.min_battery_done_current, cur_rule.max_battery_done_current)) {
continue;
}
}
/* Select the current rule. */
best_rule = std::addressof(cur_rule);
break;
}
/* Update our selected rule. */
this->selected_rule = best_rule;
}
};
}

64
libraries/libstratosphere/include/stratosphere/powctl/driver/impl/powctl_charger_parameters.board.nintendo_nx.hpp Normal file
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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/powctl/powctl_types.hpp>
namespace ams::powctl::driver::impl {
struct ChargeParametersRule {
BatteryTemperatureLevel temperature_level;
int min_avg_v_cell;
int max_avg_v_cell;
int min_open_circuit_voltage;
int max_open_circuit_voltage;
int min_battery_done_current;
int max_battery_done_current;
const PowerState *acceptable_power_states;
size_t num_acceptable_power_states;
bool check_battery_current;
bool reinitialize_charger;
int charge_voltage_limit;
int fast_charge_current_limit;
int battery_compensation;
int voltage_clamp;
};
struct UnknownParameterX {
int _00;
int _04;
double _08;
double _10;
};
struct ChargeParameters {
int temp_min;
int temp_low;
int temp_high;
int temp_max;
int low_voltage_fast_charge_current_limit;
int default_charge_voltage_limit;
const UnknownParameterX *unknown_x_table;
size_t x_table_size;
double _28;
double _30;
const ChargeParametersRule *rules;
size_t num_rules;
};
const ChargeParameters &GetChargeParameters();
}

26
libraries/libstratosphere/include/stratosphere/powctl/driver/impl/powctl_select_charger_parameters.hpp Normal file
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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/powctl/powctl_types.hpp>
#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
#include <stratosphere/powctl/driver/impl/powctl_charger_parameters.board.nintendo_nx.hpp>
#else
#error "unknown board for powctl::driver::impl::ChargerParameters"
#endif