diff options
Diffstat (limited to 'board/scarlet/battery.c')
| -rw-r--r-- | board/scarlet/battery.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/board/scarlet/battery.c b/board/scarlet/battery.c deleted file mode 100644 index 0be4cc93e2..0000000000 --- a/board/scarlet/battery.c +++ /dev/null @@ -1,301 +0,0 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Battery pack vendor provided charging profile - */ - -#include "battery.h" -#include "battery_smart.h" -#include "charge_state.h" -#include "chipset.h" -#include "console.h" -#include "driver/battery/max17055.h" -#include "driver/charger/rt946x.h" -#include "ec_commands.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "system.h" -#include "util.h" - -/* - * AE-Tech battery pack has two charging phases when operating - * between 10 and 20C - */ -#define CHARGE_PHASE_CHANGE_TRIP_VOLTAGE_MV 4200 -#define CHARGE_PHASE_CHANGE_HYSTERESIS_MV 50 -#define CHARGE_PHASE_CHANGED_CURRENT_MA 1800 - -#define TEMP_OUT_OF_RANGE TEMP_ZONE_COUNT - -static uint8_t batt_id = 0xff; - -/* Do not change the enum values. We directly use strap gpio level to index. */ -enum battery_type { - BATTERY_SIMPLO = 0, - BATTERY_AETECH, - BATTERY_COUNT -}; - -static const struct battery_info info[] = { - [BATTERY_SIMPLO] = { - .voltage_max = 4400, - .voltage_normal = 3840, - .voltage_min = 3000, - .precharge_current = 256, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = -20, - .discharging_max_c = 60, - }, - [BATTERY_AETECH] = { - .voltage_max = 4350, - .voltage_normal = 3800, - .voltage_min = 3000, - .precharge_current = 700, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 45, - .discharging_min_c = -20, - .discharging_max_c = 55, - } -}; - -static const struct max17055_batt_profile batt_profile[] = { - [BATTERY_SIMPLO] = { - .is_ez_config = 0, - .design_cap = 0x221e, /* 8734mAh */ - .ichg_term = 0x589, /* 443 mA */ - /* Empty voltage = 3000mV, Recovery voltage = 3600mV */ - .v_empty_detect = 0x965a, - .learn_cfg = 0x4406, - .dpacc = 0x0c7a, - .rcomp0 = 0x0062, - .tempco = 0x1327, - .qr_table00 = 0x1680, - .qr_table10 = 0x0900, - .qr_table20 = 0x0280, - .qr_table30 = 0x0280, - }, - [BATTERY_AETECH] = { - .is_ez_config = 0, - .design_cap = 0x232f, /* 9007mAh */ - .ichg_term = 0x0240, /* 180mA */ - /* Empty voltage = 2700mV, Recovery voltage = 3280mV */ - .v_empty_detect = 0x8752, - .learn_cfg = 0x4476, - .dpacc = 0x0c7b, - .rcomp0 = 0x0077, - .tempco = 0x1d3f, - .qr_table00 = 0x1200, - .qr_table10 = 0x0900, - .qr_table20 = 0x0480, - .qr_table30 = 0x0480, - }, -}; - -const struct battery_info *battery_get_info(void) -{ - if (batt_id >= BATTERY_COUNT) - batt_id = gpio_get_level(GPIO_BATT_ID); - - return &info[batt_id]; -} - -const struct max17055_batt_profile *max17055_get_batt_profile(void) -{ - if (batt_id >= BATTERY_COUNT) - batt_id = gpio_get_level(GPIO_BATT_ID); - - return &batt_profile[batt_id]; -} - -int board_cut_off_battery(void) -{ - return rt946x_cutoff_battery(); -} - -enum battery_disconnect_state battery_get_disconnect_state(void) -{ - if (battery_is_present() == BP_YES) - return BATTERY_NOT_DISCONNECTED; - return BATTERY_DISCONNECTED; -} - -int charger_profile_override(struct charge_state_data *curr) -{ - /* battery temp in 0.1 deg C */ - int bat_temp_c = curr->batt.temperature - 2731; - - /* - * Keep track of battery temperature range: - * - * ZONE_0 ZONE_1 ZONE_2 - * -----+--------+--------+------------+----- Temperature (C) - * t0 t1 t2 t3 - */ - enum { - TEMP_ZONE_0, /* t0 < bat_temp_c <= t1 */ - TEMP_ZONE_1, /* t1 < bat_temp_c <= t2 */ - TEMP_ZONE_2, /* t2 < bat_temp_c <= t3 */ - TEMP_ZONE_COUNT - } temp_zone; - - static struct { - int temp_min; /* 0.1 deg C */ - int temp_max; /* 0.1 deg C */ - int desired_current; /* mA */ - int desired_voltage; /* mV */ - } temp_zones[BATTERY_COUNT][TEMP_ZONE_COUNT] = { - [BATTERY_SIMPLO] = { - {0, 150, 1772, 4376}, /* TEMP_ZONE_0 */ - {150, 450, 4000, 4376}, /* TEMP_ZONE_1 */ - {450, 600, 4000, 4100}, /* TEMP_ZONE_2 */ - }, - [BATTERY_AETECH] = { - {0, 100, 900, 4200}, /* TEMP_ZONE_0 */ - {100, 200, 2700, 4350}, /* TEMP_ZONE_1 */ - /* - * TODO(b:70287349): Limit the charging current to - * 2A unless AE-Tech fix their battery pack. - */ - {200, 450, 2000, 4350}, /* TEMP_ZONE_2 */ - } - }; - BUILD_ASSERT(ARRAY_SIZE(temp_zones[0]) == TEMP_ZONE_COUNT); - BUILD_ASSERT(ARRAY_SIZE(temp_zones) == BATTERY_COUNT); - - static int charge_phase = 1; - static uint8_t quirk_batt_update; - - /* - * This is a quirk for old Simplo battery to clamp - * charging current to 3A. - */ - if ((board_get_version() <= 4) && !quirk_batt_update) { - temp_zones[BATTERY_SIMPLO][TEMP_ZONE_1].desired_current = 3000; - temp_zones[BATTERY_SIMPLO][TEMP_ZONE_2].desired_current = 3000; - quirk_batt_update = 1; - } - - if (batt_id >= BATTERY_COUNT) - batt_id = gpio_get_level(GPIO_BATT_ID); - - if ((curr->batt.flags & BATT_FLAG_BAD_TEMPERATURE) || - (bat_temp_c < temp_zones[batt_id][0].temp_min) || - (bat_temp_c >= temp_zones[batt_id][TEMP_ZONE_COUNT - 1].temp_max)) - temp_zone = TEMP_OUT_OF_RANGE; - else { - for (temp_zone = 0; temp_zone < TEMP_ZONE_COUNT; temp_zone++) { - if (bat_temp_c < - temp_zones[batt_id][temp_zone].temp_max) - break; - } - } - - if (curr->state != ST_CHARGE) { - charge_phase = 1; - return 0; - } - - switch (temp_zone) { - case TEMP_ZONE_0: - case TEMP_ZONE_2: - curr->requested_current = - temp_zones[batt_id][temp_zone].desired_current; - curr->requested_voltage = - temp_zones[batt_id][temp_zone].desired_voltage; - break; - case TEMP_ZONE_1: - /* No phase change for Simplo battery pack */ - if (batt_id == BATTERY_SIMPLO) - charge_phase = 0; - /* - * If AE-Tech battery pack is used and the voltage reading - * is bad, let's be conservative and assume change_phase == 1. - */ - else if (curr->batt.flags & BATT_FLAG_BAD_VOLTAGE) - charge_phase = 1; - else { - if (curr->batt.voltage < - (CHARGE_PHASE_CHANGE_TRIP_VOLTAGE_MV - - CHARGE_PHASE_CHANGE_HYSTERESIS_MV)) - charge_phase = 0; - else if (curr->batt.voltage > - CHARGE_PHASE_CHANGE_TRIP_VOLTAGE_MV) - charge_phase = 1; - } - - curr->requested_voltage = - temp_zones[batt_id][temp_zone].desired_voltage; - - curr->requested_current = (charge_phase) ? - CHARGE_PHASE_CHANGED_CURRENT_MA : - temp_zones[batt_id][temp_zone].desired_current; - break; - case TEMP_OUT_OF_RANGE: - curr->requested_current = curr->requested_voltage = 0; - curr->batt.flags &= ~BATT_FLAG_WANT_CHARGE; - curr->state = ST_IDLE; - break; - } - - /* - * When the charger says it's done charging, even if fuel gauge says - * SOC < BATTERY_LEVEL_NEAR_FULL, we'll overwrite SOC with - * BATTERY_LEVEL_NEAR_FULL. So we can ensure both Chrome OS UI - * and battery LED indicate full charge. - */ - if (rt946x_is_charge_done()) { - curr->batt.state_of_charge = MAX(BATTERY_LEVEL_NEAR_FULL, - curr->batt.state_of_charge); - /* - * This is a workaround for b:78792296. When AP is off and - * charge termination is detected, we disable idle mode. - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - disable_idle(); - else - enable_idle(); - } - - return 0; -} - -static void board_enable_idle(void) -{ - enable_idle(); -} -DECLARE_HOOK(HOOK_AC_CHANGE, board_enable_idle, HOOK_PRIO_DEFAULT); - -static void board_charge_termination(void) -{ - static uint8_t te; - /* Enable charge termination when we are sure battery is present. */ - if (!te && battery_is_present() == BP_YES) { - if (!rt946x_enable_charge_termination(1)) - te = 1; - } -} -DECLARE_HOOK(HOOK_BATTERY_SOC_CHANGE, - board_charge_termination, - HOOK_PRIO_DEFAULT); - -/* Customs options controllable by host command. */ -#define PARAM_FASTCHARGE (CS_PARAM_CUSTOM_PROFILE_MIN + 0) - -enum ec_status charger_profile_override_get_param(uint32_t param, - uint32_t *value) -{ - return EC_RES_INVALID_PARAM; -} - -enum ec_status charger_profile_override_set_param(uint32_t param, - uint32_t value) -{ - return EC_RES_INVALID_PARAM; -} |