diff options
Diffstat (limited to 'zephyr/program/nissa/yaviks/src/charger.c')
-rw-r--r-- | zephyr/program/nissa/yaviks/src/charger.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/zephyr/program/nissa/yaviks/src/charger.c b/zephyr/program/nissa/yaviks/src/charger.c new file mode 100644 index 0000000000..ec2247f4b4 --- /dev/null +++ b/zephyr/program/nissa/yaviks/src/charger.c @@ -0,0 +1,74 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "battery.h" +#include "battery_fuel_gauge.h" +#include "charger.h" +#include "console.h" +#include "driver/charger/sm5803.h" +#include "extpower.h" +#include "nissa_common.h" +#include "usb_pd.h" + +#include <zephyr/logging/log.h> + +LOG_MODULE_DECLARE(nissa, CONFIG_NISSA_LOG_LEVEL); + +int extpower_is_present(void) +{ + int port; + int rv; + bool acok; + + for (port = 0; port < board_get_usb_pd_port_count(); port++) { + rv = sm5803_is_acok(port, &acok); + if ((rv == EC_SUCCESS) && acok) + return 1; + } + + return 0; +} + +/* + * Yaviks does not have a GPIO indicating whether extpower is present, + * so detect using the charger(s). + */ +__override void board_check_extpower(void) +{ + static int last_extpower_present; + int extpower_present = extpower_is_present(); + + if (last_extpower_present ^ extpower_present) + extpower_handle_update(extpower_present); + + last_extpower_present = extpower_present; +} + +__override void board_hibernate(void) +{ + /* Shut down the chargers */ + if (board_get_usb_pd_port_count() == 2) + sm5803_hibernate(CHARGER_SECONDARY); + sm5803_hibernate(CHARGER_PRIMARY); + LOG_INF("Charger(s) hibernated"); + cflush(); +} + +__override int board_get_default_battery_type(void) +{ + int type = DEFAULT_BATTERY_TYPE; + int cells; + + if (charger_get_battery_cells(CHARGER_PRIMARY, &cells) == EC_SUCCESS) { + if (cells == 3) + type = DEFAULT_BATTERY_TYPE_3S; + if (cells != 2 && cells != 3) + LOG_ERR("Unexpected number of cells"); + } else { + LOG_ERR("Failed to get default battery type"); + } + + return type; +} |