diff options
Diffstat (limited to 'baseboard/kukui/battery_bq27541.c')
| -rw-r--r-- | baseboard/kukui/battery_bq27541.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/baseboard/kukui/battery_bq27541.c b/baseboard/kukui/battery_bq27541.c deleted file mode 100644 index 94f46b3326..0000000000 --- a/baseboard/kukui/battery_bq27541.c +++ /dev/null @@ -1,225 +0,0 @@ -/* Copyright 2020 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 "charge_state.h" -#include "charger_mt6370.h" -#include "console.h" -#include "driver/tcpm/mt6370.h" -#include "ec_commands.h" -#include "util.h" - -#define TEMP_OUT_OF_RANGE TEMP_ZONE_COUNT - -#define BATT_ID 0 - -#define BATTERY_CPT_CHARGE_MIN_TEMP 0 -#define BATTERY_CPT_CHARGE_MAX_TEMP 50 - -#define CHARGER_LIMIT_TIMEOUT_HOURS 48 -#define CHARGER_LIMIT_TIMEOUT_HOURS_TEMP 2 - -#define BAT_LEVEL_PD_LIMIT 85 - -#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args) - -enum battery_type { - BATTERY_CPT = 0, - BATTERY_COUNT -}; - -static const struct battery_info info[] = { - [BATTERY_CPT] = { - .voltage_max = 4400, - .voltage_normal = 3850, - .voltage_min = 3000, - .precharge_voltage = 3400, - .precharge_current = 256, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 50, - .discharging_min_c = -20, - .discharging_max_c = 60, - }, -}; - -const struct battery_info *battery_get_info(void) -{ - return &info[BATT_ID]; -} - -int charger_profile_override(struct charge_state_data *curr) -{ - static timestamp_t deadline_48; - static timestamp_t deadline_2; - int cycle_count = 0, rv, val; - unsigned char rcv = 0, rcv_cycle = 0, rcv_soh = 0; - /* (FullCharge Capacity / Design Capacity) * 100 = SOH */ - int full_cap = 0, design_cap = 0, soh = 0; - /* 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_3, /* t3 < bat_temp_c <= t4 */ - 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_CPT] = { - /* TEMP_ZONE_0 */ - {BATTERY_CPT_CHARGE_MIN_TEMP * 10, 150, 1408, 4370}, - /* TEMP_ZONE_1 */ - {150, 430, 3520, 4370}, - /* TEMP_ZONE_2 */ - {430, 450, 2112, 4320}, - /* TEMP_ZONE_3 */ - {450, BATTERY_CPT_CHARGE_MAX_TEMP * 10, 1760, 4170}, - }, - }; - BUILD_ASSERT(ARRAY_SIZE(temp_zones[0]) == TEMP_ZONE_COUNT); - BUILD_ASSERT(ARRAY_SIZE(temp_zones) == BATTERY_COUNT); - - 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; - } - } - - switch (temp_zone) { - case TEMP_ZONE_0: - case TEMP_ZONE_1: - case TEMP_ZONE_2: - case TEMP_ZONE_3: - 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_OUT_OF_RANGE: - curr->requested_current = curr->requested_voltage = 0; - curr->batt.flags &= ~BATT_FLAG_WANT_CHARGE; - curr->state = ST_IDLE; - break; - } - - /* Check cycle count to decrease charging voltage. */ - rv = battery_cycle_count(&val); - if (!rv) - cycle_count = val; - if (cycle_count > 20 && cycle_count <= 50) - rcv_cycle = 50; - else if (cycle_count > 50 && cycle_count <= 300) - rcv_cycle = 65; - else if (cycle_count > 300 && cycle_count <= 600) - rcv_cycle = 80; - else if (cycle_count > 600 && cycle_count <= 1000) - rcv_cycle = 100; - else if (cycle_count > 1000) - rcv_cycle = 150; - /* Check SOH to decrease charging voltage. */ - if (!battery_full_charge_capacity(&full_cap) && - !battery_design_capacity(&design_cap)) - soh = ((full_cap * 100) / design_cap); - if (soh > 70 && soh <= 75) - rcv_soh = 50; - else if (soh > 60 && soh <= 70) - rcv_soh = 65; - else if (soh > 55 && soh <= 60) - rcv_soh = 80; - else if (soh > 50 && soh <= 55) - rcv_soh = 100; - else if (soh <= 50) - rcv_soh = 150; - rcv = MAX(rcv_cycle, rcv_soh); - curr->requested_voltage -= rcv; - - /* Should not keep charging voltage > 4250mV for 48hrs. */ - if ((curr->state == ST_DISCHARGE) || - curr->chg.voltage < 4250) { - deadline_48.val = 0; - /* Starting count 48hours */ - } else if (curr->state == ST_CHARGE || - curr->state == ST_PRECHARGE) { - if (deadline_48.val == 0) - deadline_48.val = get_time().val + - CHARGER_LIMIT_TIMEOUT_HOURS * HOUR; - /* If charging voltage keep > 4250 for 48hrs, - * set charging voltage = 4250 - */ - else if (timestamp_expired(deadline_48, NULL)) - curr->requested_voltage = 4250; - } - /* Should not keeep battery voltage > 4100mV and - * battery temperature > 45C for two hour - */ - if (curr->state == ST_DISCHARGE || - curr->batt.voltage < 4100 || - bat_temp_c < 450) { - deadline_2.val = 0; - } else if (curr->state == ST_CHARGE || - curr->state == ST_PRECHARGE) { - if (deadline_2.val == 0) - deadline_2.val = get_time().val + - CHARGER_LIMIT_TIMEOUT_HOURS_TEMP * HOUR; - else if (timestamp_expired(deadline_2, NULL)) { - /* Set discharge and charging voltage = 4100mV */ - if (curr->batt.voltage >= 4100) { - curr->requested_current = 0; - curr->requested_voltage = 4100; - } - } - } - -#ifdef VARIANT_KUKUI_CHARGER_MT6370 - mt6370_charger_profile_override(curr); -#endif /* CONFIG_CHARGER_MT6370 */ - - return 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; -} - -int get_battery_manufacturer_name(char *dest, int size) -{ - static const char * const name[] = { - [BATTERY_CPT] = "AS1XXXD3Ka", - }; - ASSERT(dest); - strzcpy(dest, name[BATT_ID], size); - return EC_SUCCESS; -} |