diff options
Diffstat (limited to 'zephyr/projects/nissa/craask/src/charger.c')
-rw-r--r-- | zephyr/projects/nissa/craask/src/charger.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/craask/src/charger.c b/zephyr/projects/nissa/craask/src/charger.c new file mode 100644 index 0000000000..d4723e4a0a --- /dev/null +++ b/zephyr/projects/nissa/craask/src/charger.c @@ -0,0 +1,56 @@ +/* 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 <zephyr/logging/log.h> + +#include "battery.h" +#include "charger.h" +#include "charger/isl923x_public.h" +#include "console.h" +#include "extpower.h" +#include "usb_pd.h" +#include "nissa_common.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 = raa489000_is_acok(port, &acok); + if ((rv == EC_SUCCESS) && acok) + return 1; + } + + return 0; +} + +/* + * Craask 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) + raa489000_hibernate(CHARGER_SECONDARY, true); + raa489000_hibernate(CHARGER_PRIMARY, true); + LOG_INF("Charger(s) hibernated"); + cflush(); +} |