system.h File Reference

Header file for the SCMI System Power Management Protocol. More...

#include <zephyr/device.h>
#include <zephyr/drivers/firmware/scmi/protocol.h>
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	scmi_system_power_state_config
	System power state configuration. More...

Macros
#define	SCMI_SYSTEM_POWER_PROTOCOL_SUPPORTED_VERSION   0x20001
Standard SCMI System Power States
#define	SCMI_SYSTEM_POWER_STATE_SHUTDOWN   0x00000000U
	< Shutdown off
#define	SCMI_SYSTEM_POWER_STATE_COLD_RESET   0x00000001U
	Warm reset.
#define	SCMI_SYSTEM_POWER_STATE_WARM_RESET   0x00000002U
	Power up.
#define	SCMI_SYSTEM_POWER_STATE_POWER_UP   0x00000003U
	Suspend.
#define	SCMI_SYSTEM_POWER_STATE_SUSPEND   0x00000004U
System Power State flags
#define	SCMI_SYSTEM_POWER_FLAG_FORCEFUL   (0 << SCMI_SYSTEM_POWER_FLAG_SHIFT)
	< Forceful request
#define	SCMI_SYSTEM_POWER_FLAG_GRACEFUL   (1 << SCMI_SYSTEM_POWER_FLAG_SHIFT)
SCMI system message attributes
#define	SCMI_SYSTEM_MSG_ATTR_SUSPEND   (1 << SCMI_SYSTEM_MSG_ATTR_SUSPEND_SHIFT)
	System suspend support.
#define	SCMI_SYSTEM_MSG_ATTR_WARM_RESET   (1 << SCMI_SYSTEM_MSG_ATTR_WARM_RESET_SHIFT)
	System warm reset support.

Enumerations
enum	scmi_system_message {   SCMI_SYSTEM_MSG_PROTOCOL_VERSION = 0x0 , SCMI_SYSTEM_MSG_PROTOCOL_ATTRIBUTES = 0x1 , SCMI_SYSTEM_MSG_MESSAGE_ATTRIBUTES = 0x2 , SCMI_SYSTEM_MSG_POWER_STATE_SET = 0x3 ,   SCMI_SYSTEM_MSG_POWER_STATE_NOTIFY = 0x5 , SCMI_SYSTEM_MSG_NEGOTIATE_PROTOCOL_VERSION = 0x10 }
	System protocol command message IDs. More...

Functions
int	scmi_system_protocol_version (uint32_t *version)
	Get protocol version.
int	scmi_system_protocol_attributes (uint32_t *attributes)
	Get protocol attributes.
int	scmi_system_protocol_message_attributes (uint32_t message_id, uint32_t *attributes)
	Get protocol message attributes.
int	scmi_system_protocol_version_negotiate (uint32_t version)
	Negotiate protocol version.
int	scmi_system_power_state_set (struct scmi_system_power_state_config *cfg)
	Set system power state.

Detailed Description

Header file for the SCMI System Power Management Protocol.