Zephyr API Documentation 4.0.99
A Scalable Open Source RTOS
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#include <stdbool.h>
#include <stdint.h>
#include <zephyr/device.h>
#include <zephyr/pm/state.h>
#include <zephyr/sys/slist.h>
#include <zephyr/toolchain.h>
Go to the source code of this file.
Data Structures | |
struct | pm_policy_latency_subscription |
Latency change subscription. More... | |
struct | pm_policy_latency_request |
Latency request. More... | |
struct | pm_policy_event |
Event. More... | |
Macros | |
#define | PM_ALL_SUBSTATES (UINT8_MAX) |
Special value for 'all substates'. | |
Typedefs | |
typedef void(* | pm_policy_latency_changed_cb_t) (int32_t latency) |
Callback to notify when maximum latency changes. | |
Functions | |
void | pm_policy_state_lock_get (enum pm_state state, uint8_t substate_id) |
Increase a power state lock counter. | |
void | pm_policy_state_lock_put (enum pm_state state, uint8_t substate_id) |
Decrease a power state lock counter. | |
bool | pm_policy_state_lock_is_active (enum pm_state state, uint8_t substate_id) |
Check if a power state lock is active (not allowed). | |
void | pm_policy_event_register (struct pm_policy_event *evt, int64_t uptime_ticks) |
Register an event. | |
void | pm_policy_event_update (struct pm_policy_event *evt, int64_t uptime_ticks) |
Update an event. | |
void | pm_policy_event_unregister (struct pm_policy_event *evt) |
Unregister an event. | |
void | pm_policy_device_power_lock_get (const struct device *dev) |
Increase power state locks. | |
void | pm_policy_device_power_lock_put (const struct device *dev) |
Decrease power state locks. | |
int64_t | pm_policy_next_event_ticks (void) |
Returns the ticks until the next event. | |
void | pm_policy_latency_request_add (struct pm_policy_latency_request *req, uint32_t value_us) |
Add a new latency requirement. | |
void | pm_policy_latency_request_update (struct pm_policy_latency_request *req, uint32_t value_us) |
Update a latency requirement. | |
void | pm_policy_latency_request_remove (struct pm_policy_latency_request *req) |
Remove a latency requirement. | |
void | pm_policy_latency_changed_subscribe (struct pm_policy_latency_subscription *req, pm_policy_latency_changed_cb_t cb) |
Subscribe to maximum latency changes. | |
void | pm_policy_latency_changed_unsubscribe (struct pm_policy_latency_subscription *req) |
Unsubscribe to maximum latency changes. | |