PM Runtime

SOF PM runtime specification mapping for Zephyr builds. More...

Enumerations
enum	pm_runtime_context { PM_RUNTIME_DSP }
	Runtime power management context. More...

Functions
static void	pm_runtime_init (struct sof *sof)
	Initializes runtime power management.
void	pm_runtime_get (enum pm_runtime_context context, uint32_t index)
	Retrieves power management resource (async).
static void	pm_runtime_get_sync (enum pm_runtime_context context, uint32_t index)
	Retrieves power management resource.
void	pm_runtime_put (enum pm_runtime_context context, uint32_t index)
	Releases power management resource (async).
static void	pm_runtime_put_sync (enum pm_runtime_context context, uint32_t index)
	Releases power management resource.
void	pm_runtime_enable (enum pm_runtime_context context, uint32_t index)
	Enables power management operations for the resource.
void	pm_runtime_disable (enum pm_runtime_context context, uint32_t index)
	Disables power management operations for the resource.
bool	pm_runtime_is_active (enum pm_runtime_context context, uint32_t index)
	Reports state of the power managed resource.
static void	platform_pm_runtime_prepare_d0ix_en (uint32_t index)

Detailed Description

SOF PM runtime specification mapping for Zephyr builds.

This interface is considered deprecated and native Zephyr interfaces should be used instead.

Enumeration Type Documentation

pm_runtime_context

enum pm_runtime_context

Runtime power management context.

Enumerator
PM_RUNTIME_DSP	DSP.

Function Documentation

platform_pm_runtime_prepare_d0ix_en()

void platform_pm_runtime_prepare_d0ix_en ( uint32_t index )

inlinestatic

pm_runtime_disable()

void pm_runtime_disable	(	enum pm_runtime_context	context,
		uint32_t	index )

Disables power management operations for the resource.

Parameters

[in]	context	Type of power management context.
[in]	index	Index of the device.

pm_runtime_enable()

void pm_runtime_enable	(	enum pm_runtime_context	context,
		uint32_t	index )

Enables power management operations for the resource.

Parameters

[in]	context	Type of power management context.
[in]	index	Index of the device.

pm_runtime_get()

void pm_runtime_get	(	enum pm_runtime_context	context,
		uint32_t	index )

Retrieves power management resource (async).

Parameters

[in]	context	Type of power management context.
[in]	index	Index of the device.

pm_runtime_get_sync()

void pm_runtime_get_sync ( enum pm_runtime_context context, uint32_t index )

inlinestatic

Retrieves power management resource.

Parameters

[in]	context	Type of power management context.
[in]	index	Index of the device.

pm_runtime_init()

void pm_runtime_init ( struct sof * sof )

inlinestatic

Initializes runtime power management.

pm_runtime_is_active()

bool pm_runtime_is_active	(	enum pm_runtime_context	context,
		uint32_t	index )

Reports state of the power managed resource.

Parameters

context	Type of power management context.
index	Index of the resource.

Returns

true if the resource is active or pm disabled, false otherwise.

pm_runtime_put()

void pm_runtime_put	(	enum pm_runtime_context	context,
		uint32_t	index )

Releases power management resource (async).

Parameters

[in]	context	Type of power management context.
[in]	index	Index of the device.

pm_runtime_put_sync()

void pm_runtime_put_sync ( enum pm_runtime_context context, uint32_t index )

inlinestatic

Releases power management resource.

Parameters

[in]	context	Type of power management context.
[in]	index	Index of the device.