diff options
Diffstat (limited to 'power')
| -rw-r--r-- | power/mt8192.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/power/mt8192.c b/power/mt8192.c index b1ff717100..4c0a5ec166 100644 --- a/power/mt8192.c +++ b/power/mt8192.c @@ -170,6 +170,26 @@ void chipset_reset(enum chipset_reset_reason reason) GPIO_SET_LEVEL(GPIO_SYS_RST_ODL, 1); } +#ifdef CONFIG_POWER_TRACK_HOST_SLEEP_STATE +static void power_reset_host_sleep_state(void) +{ + power_set_host_sleep_state(HOST_SLEEP_EVENT_DEFAULT_RESET); + sleep_reset_tracking(); + power_chipset_handle_host_sleep_event(HOST_SLEEP_EVENT_DEFAULT_RESET, + NULL); +} + +static void handle_chipset_reset(void) +{ + if (chipset_in_state(CHIPSET_STATE_SUSPEND)) { + CPRINTS("Chipset reset: exit s3"); + power_reset_host_sleep_state(); + task_wake(TASK_ID_CHIPSET); + } +} +DECLARE_HOOK(HOOK_CHIPSET_RESET, handle_chipset_reset, HOOK_PRIO_FIRST); +#endif /* CONFIG_POWER_TRACK_HOST_SLEEP_STATE */ + enum power_state power_chipset_init(void) { int exit_hard_off = 1; @@ -350,6 +370,13 @@ enum power_state power_handle_state(enum power_state state) /* Call hooks now that rails are up */ hook_notify(HOOK_CHIPSET_STARTUP); + /* + * Clearing the sleep failure detection tracking on the path + * to S0 to handle any reset conditions. + */ +#ifdef CONFIG_POWER_SLEEP_FAILURE_DETECTION + power_reset_host_sleep_state(); +#endif /* CONFIG_POWER_SLEEP_FAILURE_DETECTION */ /* Power up to next state */ return POWER_S3; @@ -362,6 +389,10 @@ enum power_state power_handle_state(enum power_state state) /* Call hooks now that rails are up */ hook_notify(HOOK_CHIPSET_RESUME); +#ifdef CONFIG_POWER_SLEEP_FAILURE_DETECTION + sleep_resume_transition(); +#endif /* CONFIG_POWER_SLEEP_FAILURE_DETECTION */ + /* * Disable idle task deep sleep. This means that the low * power idle task will not go into deep sleep while in S0. @@ -375,6 +406,10 @@ enum power_state power_handle_state(enum power_state state) /* Call hooks before we remove power rails */ hook_notify(HOOK_CHIPSET_SUSPEND); +#ifdef CONFIG_POWER_SLEEP_FAILURE_DETECTION + sleep_suspend_transition(); +#endif /* CONFIG_POWER_SLEEP_FAILURE_DETECTION */ + /* * Enable idle task deep sleep. Allow the low power idle task * to go into deep sleep in S3 or lower. @@ -453,6 +488,41 @@ static void power_button_changed(void) } DECLARE_HOOK(HOOK_POWER_BUTTON_CHANGE, power_button_changed, HOOK_PRIO_DEFAULT); +#ifdef CONFIG_POWER_TRACK_HOST_SLEEP_STATE +static void suspend_hang_detected(void) +{ + CPRINTS("Warning: Detected sleep hang! Waking host up!"); + host_set_single_event(EC_HOST_EVENT_HANG_DETECT); +} + +__override void power_chipset_handle_host_sleep_event( + enum host_sleep_event state, + struct host_sleep_event_context *ctx) +{ + CPRINTS("Handle sleep: %d", state); + + if (state == HOST_SLEEP_EVENT_S3_SUSPEND) { + /* + * Indicate to power state machine that a new host event for + * S3 suspend has been received and so chipset suspend + * notification needs to be sent to listeners. + */ + sleep_set_notify(SLEEP_NOTIFY_SUSPEND); + sleep_start_suspend(ctx, suspend_hang_detected); + + } else if (state == HOST_SLEEP_EVENT_S3_RESUME) { + /* + * Wake up chipset task and indicate to power state machine that + * listeners need to be notified of chipset resume. + */ + sleep_set_notify(SLEEP_NOTIFY_RESUME); + task_wake(TASK_ID_CHIPSET); + sleep_complete_resume(ctx); + + } +} +#endif /* CONFIG_POWER_TRACK_HOST_SLEEP_STATE */ + #ifdef CONFIG_LID_SWITCH static void lid_changed(void) { |