blob: 163647a57b9586236bbf9a8293ca7dd843bc9472 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (c) 2015-2019, Arm Limited and Contributors. All rights reserved.
* Copyright (C) 2019-2020, Linaro Limited
*/
#ifndef _SCMI_PROTOCOLS_H
#define _SCMI_PROTOCOLS_H
#include <linux/bitops.h>
#include <asm/types.h>
/*
* Subset the SCMI protocols definition
* based on SCMI specification v2.0 (DEN0056B)
* https://developer.arm.com/docs/den0056/b
*/
enum scmi_std_protocol {
SCMI_PROTOCOL_ID_BASE = 0x10,
SCMI_PROTOCOL_ID_POWER_DOMAIN = 0x11,
SCMI_PROTOCOL_ID_SYSTEM = 0x12,
SCMI_PROTOCOL_ID_PERF = 0x13,
SCMI_PROTOCOL_ID_CLOCK = 0x14,
SCMI_PROTOCOL_ID_SENSOR = 0x15,
SCMI_PROTOCOL_ID_RESET_DOMAIN = 0x16,
SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN = 0x17,
};
enum scmi_status_code {
SCMI_SUCCESS = 0,
SCMI_NOT_SUPPORTED = -1,
SCMI_INVALID_PARAMETERS = -2,
SCMI_DENIED = -3,
SCMI_NOT_FOUND = -4,
SCMI_OUT_OF_RANGE = -5,
SCMI_BUSY = -6,
SCMI_COMMS_ERROR = -7,
SCMI_GENERIC_ERROR = -8,
SCMI_HARDWARE_ERROR = -9,
SCMI_PROTOCOL_ERROR = -10,
};
/*
* Generic message IDs
*/
enum scmi_discovery_id {
SCMI_PROTOCOL_VERSION = 0x0,
SCMI_PROTOCOL_ATTRIBUTES = 0x1,
SCMI_PROTOCOL_MESSAGE_ATTRIBUTES = 0x2,
};
/*
* SCMI Base Protocol
*/
#define SCMI_BASE_PROTOCOL_VERSION 0x20000
enum scmi_base_message_id {
SCMI_BASE_DISCOVER_VENDOR = 0x3,
SCMI_BASE_DISCOVER_SUB_VENDOR = 0x4,
SCMI_BASE_DISCOVER_IMPL_VERSION = 0x5,
SCMI_BASE_DISCOVER_LIST_PROTOCOLS = 0x6,
SCMI_BASE_DISCOVER_AGENT = 0x7,
SCMI_BASE_NOTIFY_ERRORS = 0x8,
SCMI_BASE_SET_DEVICE_PERMISSIONS = 0x9,
SCMI_BASE_SET_PROTOCOL_PERMISSIONS = 0xa,
SCMI_BASE_RESET_AGENT_CONFIGURATION = 0xb,
};
#define SCMI_BASE_NAME_LENGTH_MAX 16
/**
* struct scmi_protocol_version_out - Response for SCMI_PROTOCOL_VERSION
* command
* @status: SCMI command status
* @version: Protocol version
*/
struct scmi_protocol_version_out {
s32 status;
u32 version;
};
/**
* struct scmi_protocol_attrs_out - Response for SCMI_PROTOCOL_ATTRIBUTES
* command
* @status: SCMI command status
* @attributes: Protocol attributes or implementation details
*/
struct scmi_protocol_attrs_out {
s32 status;
u32 attributes;
};
#define SCMI_PROTOCOL_ATTRS_NUM_AGENTS(attributes) \
(((attributes) & GENMASK(15, 8)) >> 8)
#define SCMI_PROTOCOL_ATTRS_NUM_PROTOCOLS(attributes) \
((attributes) & GENMASK(7, 0))
/**
* struct scmi_protocol_msg_attrs_out - Response for
* SCMI_PROTOCOL_MESSAGE_ATTRIBUTES command
* @status: SCMI command status
* @attributes: Message-specific attributes
*/
struct scmi_protocol_msg_attrs_out {
s32 status;
u32 attributes;
};
/**
* struct scmi_base_discover_vendor_out - Response for
* SCMI_BASE_DISCOVER_VENDOR or
* SCMI_BASE_DISCOVER_SUB_VENDOR command
* @status: SCMI command status
* @vendor_identifier: Name of vendor or sub-vendor in string
*/
struct scmi_base_discover_vendor_out {
s32 status;
u8 vendor_identifier[SCMI_BASE_NAME_LENGTH_MAX];
};
/**
* struct scmi_base_discover_impl_version_out - Response for
* SCMI_BASE_DISCOVER_IMPL_VERSION command
* @status: SCMI command status
* @impl_version: Vendor-specific implementation version
*/
struct scmi_base_discover_impl_version_out {
s32 status;
u32 impl_version;
};
/**
* struct scmi_base_discover_list_protocols_out - Response for
* SCMI_BASE_DISCOVER_LIST_PROTOCOLS command
* @status: SCMI command status
* @num_protocols: Number of SCMI protocols in @protocol
* @protocols: Array of packed SCMI protocol ID's
*/
struct scmi_base_discover_list_protocols_out {
s32 status;
u32 num_protocols;
u32 protocols[3];
};
/**
* struct scmi_base_discover_agent_out - Response for
* SCMI_BASE_DISCOVER_AGENT command
* @status: SCMI command status
* @agent_id: SCMI agent ID
* @name: Name of agent in string
*/
struct scmi_base_discover_agent_out {
s32 status;
u32 agent_id;
u8 name[SCMI_BASE_NAME_LENGTH_MAX];
};
#define SCMI_BASE_NOTIFY_ERRORS_ENABLE BIT(0)
/**
* struct scmi_base_set_device_permissions_in - Parameters for
* SCMI_BASE_SET_DEVICE_PERMISSIONS command
* @agent_id: SCMI agent ID
* @device_id: device ID
* @flags: A set of flags
*/
struct scmi_base_set_device_permissions_in {
u32 agent_id;
u32 device_id;
u32 flags;
};
#define SCMI_BASE_SET_DEVICE_PERMISSIONS_ACCESS BIT(0)
/**
* struct scmi_base_set_protocol_permissions_in - Parameters for
* SCMI_BASE_SET_PROTOCOL_PERMISSIONS command
* @agent_id: SCMI agent ID
* @device_id: device ID
* @command_id: command ID
* @flags: A set of flags
*/
struct scmi_base_set_protocol_permissions_in {
u32 agent_id;
u32 device_id;
u32 command_id;
u32 flags;
};
#define SCMI_BASE_SET_PROTOCOL_PERMISSIONS_COMMAND GENMASK(7, 0)
#define SCMI_BASE_SET_PROTOCOL_PERMISSIONS_ACCESS BIT(0)
/**
* struct scmi_base_reset_agent_configuration_in - Parameters for
* SCMI_BASE_RESET_AGENT_CONFIGURATION command
* @agent_id: SCMI agent ID
* @flags: A set of flags
*/
struct scmi_base_reset_agent_configuration_in {
u32 agent_id;
u32 flags;
};
#define SCMI_BASE_RESET_ALL_ACCESS_PERMISSIONS BIT(0)
/**
* struct scmi_base_ops - SCMI base protocol interfaces
*/
struct scmi_base_ops {
/**
* protocol_version - get Base protocol version
* @dev: SCMI protocol device
* @version: Pointer to SCMI protocol version
*
* Obtain the protocol version number in @version for Base protocol.
*
* Return: 0 on success, error code on failure
*/
int (*protocol_version)(struct udevice *dev, u32 *version);
/**
* protocol_attrs - get protocol attributes
* @dev: SCMI protocol device
* @num_agents: Number of SCMI agents
* @num_protocols: Number of SCMI protocols
*
* Obtain the protocol attributes, the number of agents and the number
* of protocols, in @num_agents and @num_protocols respectively, that
* the device provides.
*
* Return: 0 on success, error code on failure
*/
int (*protocol_attrs)(struct udevice *dev, u32 *num_agents,
u32 *num_protocols);
/**
* protocol_message_attrs - get message-specific attributes
* @dev: SCMI protocol device
* @message_id: SCMI message ID
* @attributes: Message-specific attributes
*
* Obtain the message-specific attributes in @attributes.
* This command succeeds if the message is implemented and available.
*
* Return: 0 on success, error code on failure
*/
int (*protocol_message_attrs)(struct udevice *dev, u32 message_id,
u32 *attributes);
/**
* base_discover_vendor - get vendor name
* @dev: SCMI protocol device
* @vendor: Pointer to vendor name
*
* Obtain the vendor's name in @vendor.
* It is a caller's responsibility to free @vendor.
*
* Return: 0 on success, error code on failure
*/
int (*base_discover_vendor)(struct udevice *dev, u8 **vendor);
/**
* base_discover_sub_vendor - get sub-vendor name
* @dev: SCMI protocol device
* @sub_vendor: Pointer to sub-vendor name
*
* Obtain the sub-vendor's name in @sub_vendor.
* It is a caller's responsibility to free @sub_vendor.
*
* Return: 0 on success, error code on failure
*/
int (*base_discover_sub_vendor)(struct udevice *dev, u8 **sub_vendor);
/**
* base_discover_impl_version - get implementation version
* @dev: SCMI protocol device
* @impl_version: Pointer to implementation version
*
* Obtain the implementation version number in @impl_version.
*
* Return: 0 on success, error code on failure
*/
int (*base_discover_impl_version)(struct udevice *dev,
u32 *impl_version);
/**
* base_discover_list_protocols - get list of protocols
* @dev: SCMI protocol device
* @protocols: Pointer to array of SCMI protocols
*
* Obtain the list of protocols provided in @protocols.
* The number of elements in @protocols always match to the number of
* protocols returned by smci_protocol_attrs() when this function
* succeeds.
* It is a caller's responsibility to free @protocols.
*
* Return: the number of protocols in @protocols on success,
* error code on failure
*/
int (*base_discover_list_protocols)(struct udevice *dev,
u8 **protocols);
/**
* base_discover_agent - identify agent
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @ret_agent_id: Pointer to SCMI agent ID
* @name: Pointer to SCMI agent name
*
* Obtain the agent's name in @name. If @agent_id is equal to
* 0xffffffff, * this function returns the caller's agent id in
* @ret_agent_id.
* It is a caller's responsibility to free @name.
*
* Return: 0 on success, error code on failure
*/
int (*base_discover_agent)(struct udevice *dev, u32 agent_id,
u32 *ret_agent_id, u8 **name);
/**
* base_notify_errors - configure error notification
* @dev: SCMI protocol device
* @enable: Operation
*
* Enable or disable error notification from SCMI firmware.
*
* Return: 0 on success, error code on failure
*/
int (*base_notify_errors)(struct udevice *dev, u32 enable);
/**
* base_set_device_permissions - configure access permission to device
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @device_id: ID of device to access
* @flags: A set of flags
*
* Ask for allowing or denying access permission to the device,
* @device_id. The meaning of @flags is defined in SCMI specification.
*
* Return: 0 on success, error code on failure
*/
int (*base_set_device_permissions)(struct udevice *dev, u32 agent_id,
u32 device_id, u32 flags);
/**
* base_set_protocol_permissions - configure access permission to
* protocol on device
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @device_id: ID of device to access
* @command_id: command ID
* @flags: A set of flags
*
* Ask for allowing or denying access permission to the protocol,
* @command_id, on the device, @device_id.
* The meaning of @flags is defined in SCMI specification.
*
* Return: 0 on success, error code on failure
*/
int (*base_set_protocol_permissions)(struct udevice *dev, u32 agent_id,
u32 device_id, u32 command_id,
u32 flags);
/**
* base_reset_agent_configuration - reset resource settings
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @flags: A set of flags
*
* Reset all the resource settings against @agent_id.
* The meaning of @flags is defined in SCMI specification.
*
* Return: 0 on success, error code on failure
*/
int (*base_reset_agent_configuration)(struct udevice *dev, u32 agent_id,
u32 flags);
};
/**
* scmi_generic_protocol_version - get protocol version
* @dev: SCMI protocol device
* @id: SCMI protocol ID
* @version: Pointer to SCMI protocol version
*
* Obtain the protocol version number in @version.
*
* Return: 0 on success, error code on failure
*/
int scmi_generic_protocol_version(struct udevice *dev,
enum scmi_std_protocol id, u32 *version);
/**
* scmi_base_protocol_version - get Base protocol version
* @dev: SCMI protocol device
* @version: Pointer to SCMI protocol version
*
* Obtain the protocol version number in @version for Base protocol.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_protocol_version(struct udevice *dev, u32 *version);
/**
* scmi_protocol_attrs - get protocol attributes
* @dev: SCMI protocol device
* @num_agents: Number of SCMI agents
* @num_protocols: Number of SCMI protocols
*
* Obtain the protocol attributes, the number of agents and the number
* of protocols, in @num_agents and @num_protocols respectively, that
* the device provides.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_protocol_attrs(struct udevice *dev, u32 *num_agents,
u32 *num_protocols);
/**
* scmi_protocol_message_attrs - get message-specific attributes
* @dev: SCMI protocol device
* @message_id: SCMI message ID
* @attributes: Message-specific attributes
*
* Obtain the message-specific attributes in @attributes.
* This command succeeds if the message is implemented and available.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_protocol_message_attrs(struct udevice *dev, u32 message_id,
u32 *attributes);
/**
* scmi_base_discover_vendor - get vendor name
* @dev: SCMI protocol device
* @vendor: Pointer to vendor name
*
* Obtain the vendor's name in @vendor.
* It is a caller's responsibility to free @vendor.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_discover_vendor(struct udevice *dev, u8 **vendor);
/**
* scmi_base_discover_sub_vendor - get sub-vendor name
* @dev: SCMI protocol device
* @sub_vendor: Pointer to sub-vendor name
*
* Obtain the sub-vendor's name in @sub_vendor.
* It is a caller's responsibility to free @sub_vendor.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_discover_sub_vendor(struct udevice *dev, u8 **sub_vendor);
/**
* scmi_base_discover_impl_version - get implementation version
* @dev: SCMI protocol device
* @impl_version: Pointer to implementation version
*
* Obtain the implementation version number in @impl_version.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_discover_impl_version(struct udevice *dev, u32 *impl_version);
/**
* scmi_base_discover_list_protocols - get list of protocols
* @dev: SCMI protocol device
* @protocols: Pointer to array of SCMI protocols
*
* Obtain the list of protocols provided in @protocols.
* The number of elements in @protocols always match to the number of
* protocols returned by smci_protocol_attrs() when this function succeeds.
* It is a caller's responsibility to free @protocols.
*
* Return: the number of protocols in @protocols on success, error code on
* failure
*/
int scmi_base_discover_list_protocols(struct udevice *dev, u8 **protocols);
/**
* scmi_base_discover_agent - identify agent
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @ret_agent_id: Pointer to SCMI agent ID
* @name: Pointer to SCMI agent name
*
* Obtain the agent's name in @name. If @agent_id is equal to 0xffffffff,
* this function returns the caller's agent id in @ret_agent_id.
* It is a caller's responsibility to free @name.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_discover_agent(struct udevice *dev, u32 agent_id,
u32 *ret_agent_id, u8 **name);
/**
* scmi_base_notify_errors - configure error notification
* @dev: SCMI protocol device
* @enable: Operation
*
* Enable or disable error notification from SCMI firmware.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_notify_errors(struct udevice *dev, u32 enable);
/**
* scmi_base_set_device_permissions - configure access permission to device
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @device_id: ID of device to access
* @flags: A set of flags
*
* Ask for allowing or denying access permission to the device, @device_id.
* The meaning of @flags is defined in SCMI specification.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_set_device_permissions(struct udevice *dev, u32 agent_id,
u32 device_id, u32 flags);
/**
* scmi_base_set_protocol_permissions - configure access permission to
* protocol on device
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @device_id: ID of device to access
* @command_id: SCMI command ID
* @flags: A set of flags
*
* Ask for allowing or denying access permission to the protocol, @command_id,
* on the device, @device_id.
* The meaning of @flags is defined in SCMI specification.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_set_protocol_permissions(struct udevice *dev,
u32 agent_id, u32 device_id,
u32 command_id, u32 flags);
/**
* scmi_base_reset_agent_configuration - reset resource settings
* @dev: SCMI protocol device
* @agent_id: SCMI agent ID
* @flags: A set of flags
*
* Reset all the resource settings against @agent_id.
* The meaning of @flags is defined in SCMI specification.
*
* Return: 0 on success, error code on failure
*/
int scmi_base_reset_agent_configuration(struct udevice *dev, u32 agent_id,
u32 flags);
/*
* SCMI Clock Protocol
*/
enum scmi_clock_message_id {
SCMI_CLOCK_ATTRIBUTES = 0x3,
SCMI_CLOCK_RATE_SET = 0x5,
SCMI_CLOCK_RATE_GET = 0x6,
SCMI_CLOCK_CONFIG_SET = 0x7,
};
#define SCMI_CLK_PROTO_ATTR_COUNT_MASK GENMASK(15, 0)
#define SCMI_CLK_RATE_ASYNC_NOTIFY BIT(0)
#define SCMI_CLK_RATE_ASYNC_NORESP (BIT(0) | BIT(1))
#define SCMI_CLK_RATE_ROUND_DOWN 0
#define SCMI_CLK_RATE_ROUND_UP BIT(2)
#define SCMI_CLK_RATE_ROUND_CLOSEST BIT(3)
#define SCMI_CLOCK_NAME_LENGTH_MAX 16
/**
* struct scmi_clk_get_nb_out - Response for SCMI_PROTOCOL_ATTRIBUTES command
* @status: SCMI command status
* @attributes: Attributes of the clock protocol, mainly number of clocks exposed
*/
struct scmi_clk_protocol_attr_out {
s32 status;
u32 attributes;
};
/**
* struct scmi_clk_attribute_in - Message payload for SCMI_CLOCK_ATTRIBUTES command
* @clock_id: SCMI clock ID
*/
struct scmi_clk_attribute_in {
u32 clock_id;
};
/**
* struct scmi_clk_get_nb_out - Response payload for SCMI_CLOCK_ATTRIBUTES command
* @status: SCMI command status
* @attributes: clock attributes
* @clock_name: name of the clock
*/
struct scmi_clk_attribute_out {
s32 status;
u32 attributes;
char clock_name[SCMI_CLOCK_NAME_LENGTH_MAX];
};
/**
* struct scmi_clk_state_in - Message payload for CLOCK_CONFIG_SET command
* @clock_id: SCMI clock ID
* @attributes: Attributes of the targets clock state
*/
struct scmi_clk_state_in {
u32 clock_id;
u32 attributes;
};
/**
* struct scmi_clk_state_out - Response payload for CLOCK_CONFIG_SET command
* @status: SCMI command status
*/
struct scmi_clk_state_out {
s32 status;
};
/**
* struct scmi_clk_state_in - Message payload for CLOCK_RATE_GET command
* @clock_id: SCMI clock ID
* @attributes: Attributes of the targets clock state
*/
struct scmi_clk_rate_get_in {
u32 clock_id;
};
/**
* struct scmi_clk_rate_get_out - Response payload for CLOCK_RATE_GET command
* @status: SCMI command status
* @rate_lsb: 32bit LSB of the clock rate in Hertz
* @rate_msb: 32bit MSB of the clock rate in Hertz
*/
struct scmi_clk_rate_get_out {
s32 status;
u32 rate_lsb;
u32 rate_msb;
};
/**
* struct scmi_clk_state_in - Message payload for CLOCK_RATE_SET command
* @flags: Flags for the clock rate set request
* @clock_id: SCMI clock ID
* @rate_lsb: 32bit LSB of the clock rate in Hertz
* @rate_msb: 32bit MSB of the clock rate in Hertz
*/
struct scmi_clk_rate_set_in {
u32 flags;
u32 clock_id;
u32 rate_lsb;
u32 rate_msb;
};
/**
* struct scmi_clk_rate_set_out - Response payload for CLOCK_RATE_SET command
* @status: SCMI command status
*/
struct scmi_clk_rate_set_out {
s32 status;
};
/*
* SCMI Reset Domain Protocol
*/
enum scmi_reset_domain_message_id {
SCMI_RESET_DOMAIN_ATTRIBUTES = 0x3,
SCMI_RESET_DOMAIN_RESET = 0x4,
};
#define SCMI_RD_NAME_LEN 16
#define SCMI_RD_ATTRIBUTES_FLAG_ASYNC BIT(31)
#define SCMI_RD_ATTRIBUTES_FLAG_NOTIF BIT(30)
#define SCMI_RD_RESET_FLAG_ASYNC BIT(2)
#define SCMI_RD_RESET_FLAG_ASSERT BIT(1)
#define SCMI_RD_RESET_FLAG_CYCLE BIT(0)
/**
* struct scmi_rd_attr_in - Payload for RESET_DOMAIN_ATTRIBUTES message
* @domain_id: SCMI reset domain ID
*/
struct scmi_rd_attr_in {
u32 domain_id;
};
/**
* struct scmi_rd_attr_out - Payload for RESET_DOMAIN_ATTRIBUTES response
* @status: SCMI command status
* @attributes: Retrieved attributes of the reset domain
* @latency: Reset cycle max lantency
* @name: Reset domain name
*/
struct scmi_rd_attr_out {
s32 status;
u32 attributes;
u32 latency;
char name[SCMI_RD_NAME_LEN];
};
/**
* struct scmi_rd_reset_in - Message payload for RESET command
* @domain_id: SCMI reset domain ID
* @flags: Flags for the reset request
* @reset_state: Reset target state
*/
struct scmi_rd_reset_in {
u32 domain_id;
u32 flags;
u32 reset_state;
};
/**
* struct scmi_rd_reset_out - Response payload for RESET command
* @status: SCMI command status
*/
struct scmi_rd_reset_out {
s32 status;
};
/*
* SCMI Voltage Domain Protocol
*/
enum scmi_voltage_domain_message_id {
SCMI_VOLTAGE_DOMAIN_ATTRIBUTES = 0x3,
SCMI_VOLTAGE_DOMAIN_CONFIG_SET = 0x5,
SCMI_VOLTAGE_DOMAIN_CONFIG_GET = 0x6,
SCMI_VOLTAGE_DOMAIN_LEVEL_SET = 0x7,
SCMI_VOLTAGE_DOMAIN_LEVEL_GET = 0x8,
};
#define SCMI_VOLTD_NAME_LEN 16
#define SCMI_VOLTD_CONFIG_MASK GENMASK(3, 0)
#define SCMI_VOLTD_CONFIG_OFF 0
#define SCMI_VOLTD_CONFIG_ON 0x7
/**
* struct scmi_voltd_attr_in - Payload for VOLTAGE_DOMAIN_ATTRIBUTES message
* @domain_id: SCMI voltage domain ID
*/
struct scmi_voltd_attr_in {
u32 domain_id;
};
/**
* struct scmi_voltd_attr_out - Payload for VOLTAGE_DOMAIN_ATTRIBUTES response
* @status: SCMI command status
* @attributes: Retrieved attributes of the voltage domain
* @name: Voltage domain name
*/
struct scmi_voltd_attr_out {
s32 status;
u32 attributes;
char name[SCMI_VOLTD_NAME_LEN];
};
/**
* struct scmi_voltd_config_set_in - Message payload for VOLTAGE_CONFIG_SET cmd
* @domain_id: SCMI voltage domain ID
* @config: Configuration data of the voltage domain
*/
struct scmi_voltd_config_set_in {
u32 domain_id;
u32 config;
};
/**
* struct scmi_voltd_config_set_out - Response for VOLTAGE_CONFIG_SET command
* @status: SCMI command status
*/
struct scmi_voltd_config_set_out {
s32 status;
};
/**
* struct scmi_voltd_config_get_in - Message payload for VOLTAGE_CONFIG_GET cmd
* @domain_id: SCMI voltage domain ID
*/
struct scmi_voltd_config_get_in {
u32 domain_id;
};
/**
* struct scmi_voltd_config_get_out - Response for VOLTAGE_CONFIG_GET command
* @status: SCMI command status
* @config: Configuration data of the voltage domain
*/
struct scmi_voltd_config_get_out {
s32 status;
u32 config;
};
/**
* struct scmi_voltd_level_set_in - Message payload for VOLTAGE_LEVEL_SET cmd
* @domain_id: SCMI voltage domain ID
* @flags: Parameter flags for configuring target level
* @voltage_level: Target voltage level in microvolts (uV)
*/
struct scmi_voltd_level_set_in {
u32 domain_id;
u32 flags;
s32 voltage_level;
};
/**
* struct scmi_voltd_level_set_out - Response for VOLTAGE_LEVEL_SET command
* @status: SCMI command status
*/
struct scmi_voltd_level_set_out {
s32 status;
};
/**
* struct scmi_voltd_level_get_in - Message payload for VOLTAGE_LEVEL_GET cmd
* @domain_id: SCMI voltage domain ID
*/
struct scmi_voltd_level_get_in {
u32 domain_id;
};
/**
* struct scmi_voltd_level_get_out - Response for VOLTAGE_LEVEL_GET command
* @status: SCMI command status
* @voltage_level: Voltage level in microvolts (uV)
*/
struct scmi_voltd_level_get_out {
s32 status;
s32 voltage_level;
};
#endif /* _SCMI_PROTOCOLS_H */