fuchsia.hardware.platform.device

PROTOCOLS

Device

Defined in fuchsia.hardware.platform.device/platform-device.fidl

GetBoardInfo

Return information about the board the device is attached to.

Request

<EMPTY>

Response

Name	Type
payload	Device_GetBoardInfo_Result

GetBtiById

Returns a bus transaction initiator (bti) handle for the given |index|.

• error ZX_ERR_OUT_OF_RANGE if |index| is equal or greater than the number of btis.
• error ZX_ERR_INTERNAL if the retrieved bti is not valid.

Request

Name	Type
index	uint32

Response

Name	Type
payload	Device_GetBtiById_Result

GetBtiByName

Returns a bus transaction initiator (bti) handle for the given |name|.

• error ZX_ERR_INVALID_ARGS if |name| is an empty string.
• error ZX_ERR_OUT_OF_RANGE if |name| is not found.
• error ZX_ERR_INTERNAL if the retrieved bti is not valid.

Request

Name	Type
name	string:128

Response

Name	Type
payload	Device_GetBtiByName_Result

GetInterruptById

Returns an interrupt handle for the given |index|. |flags| is forwarded as the |options| parameter to zx_interrupt_create.

• error ZX_ERR_OUT_OF_RANGE if |index| is equal or greater than the number of interrupts.
• error ZX_ERR_INTERNAL if the retrieved interrupt is not valid.

Request

Name	Type
index	uint32
flags	uint32

Response

Name	Type
payload	Device_GetInterruptById_Result

GetInterruptByName

Returns an interrupt handle for the given |name|. |flags| is forwarded as the |options| parameter to zx_interrupt_create.

• error ZX_ERR_INVALID_ARGS if |name| is an empty string.
• error ZX_ERR_OUT_OF_RANGE if |name| is not found.
• error ZX_ERR_INTERNAL if the retrieved interrupt is not valid.

Request

Name	Type
name	string:128
flags	uint32

Response

Name	Type
payload	Device_GetInterruptByName_Result

GetMetadata

Returns the metadata associated with the device and |id|. Returns ZX_ERR_NOT_FOUND if the metadata does not exist.

Request

Name	Type
id	string

Response

Name	Type
payload	Device_GetMetadata_Result

GetMmioById

Returns a memory mapped IO (MMIO) resource for the given |index|.

• error ZX_ERR_OUT_OF_RANGE if |index| is equal or greater than the number of mmios.
• error ZX_ERR_INTERNAL if the retrieved mmio is not valid.
• error ZX_ERR_NOT_FOUND if the retrieved mmio's base address is NULL.

Request

Name	Type
index	uint32

Response

Name	Type
payload	Device_GetMmioById_Result

GetMmioByName

Returns a memory mapped IO (MMIO) resource for the given |name|.

• error ZX_ERR_INVALID_ARGS if |name| is an empty string.
• error ZX_ERR_OUT_OF_RANGE if |name| is not found.
• error ZX_ERR_INTERNAL if the retrieved mmio is not valid.
• error ZX_ERR_NOT_FOUND if the retrieved's mmio base address is NULL.

Request

Name	Type
name	string:128

Response

Name	Type
payload	Device_GetMmioByName_Result

GetNodeDeviceInfo

Returns information about the device corresponding to the node that the driver has bound to.

Request

<EMPTY>

Response

Name	Type
payload	Device_GetNodeDeviceInfo_Result

GetPowerConfiguration

Returns power configuration for the device the driver has bound to.

Request

<EMPTY>

Response

Name	Type
payload	Device_GetPowerConfiguration_Result

GetSmcById

Returns a secure monitor call (smc) handle for the given |index|.

• error ZX_ERR_OUT_OF_RANGE if |index| is equal or greater than the number of smcs.
• error ZX_ERR_INTERNAL if the retrieved smc is not valid.

Request

Name	Type
index	uint32

Response

Name	Type
payload	Device_GetSmcById_Result

GetSmcByName

Returns a secure monitor call (smc) handle for the given |name|.

• error ZX_ERR_INVALID_ARGS if |name| is an empty string.
• error ZX_ERR_OUT_OF_RANGE if |name| is not found.
• error ZX_ERR_INTERNAL if the retrieved smc is not valid.

Request

Name	Type
name	string:128

Response

Name	Type
payload	Device_GetSmcByName_Result

STRUCTS

Device_GetBtiById_Response resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
bti	handle<bti>		No default

Device_GetBtiByName_Response resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
bti	handle<bti>		No default

Device_GetInterruptById_Response resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
irq	handle<interrupt>		No default

Device_GetInterruptByName_Response resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
irq	handle<interrupt>		No default

Device_GetMetadata_Response

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
metadata	vector<uint8>		No default

Device_GetPowerConfiguration_Response

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
config	vector<fuchsia.hardware.power/PowerElementConfiguration>:32		No default

Device_GetSmcById_Response resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
smc	handle<resource>		No default

Device_GetSmcByName_Response resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Field	Type	Description	Default
smc	handle<resource>		No default

TABLES

BoardInfo

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Field	Type	Description
1	vid	uint32	Vendor ID for the board.
2	pid	uint32	Product ID for the board.
3	board_name	string:32	Board name from the boot image platform ID record, (or from the BIOS on x86 platforms).
4	board_revision	uint32	Board specific revision number.

Mmio resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Field	Type	Description
1	offset	zx/Off	Offset from beginning of VMO where the mmio region begins.
2	size	uint64	Size of mmio region.
3	vmo	handle<vmo>	The virtual memory object which should be mapped into the driver's address space.

NodeDeviceInfo

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Field	Type	Description
1	vid	uint32	Vendor ID, specified in //zircon/system/ulib/ddk-platform-defs/include/lib/ddk/platform-defs.h
2	pid	uint32	Platform ID, specified in //zircon/system/ulib/ddk-platform-defs/include/lib/ddk/platform-defs.h
3	did	uint32	Device ID, specified in //zircon/system/ulib/ddk-platform-defs/include/lib/ddk/platform-defs.h
4	mmio_count	uint32	The number of MMIO regions provided to this device.
5	irq_count	uint32	The number of interrupts provided to this device.
6	bti_count	uint32	The number of bus transaction initiaitors provided to this device.
7	smc_count	uint32	The number of secure monitor call resources provided to this device.
8	metadata_count	uint32	The number of metadata blobs associated provided this device.
9	name	string:32	The name the board driver provided for this device.

UNIONS

Device_GetBoardInfo_Result strict

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	BoardInfo
2	err	zx/Status
3	framework_err	internal

Device_GetBtiById_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetBtiById_Response
2	err	zx/Status
3	framework_err	internal

Device_GetBtiByName_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetBtiByName_Response
2	err	zx/Status
3	framework_err	internal

Device_GetInterruptById_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetInterruptById_Response
2	err	zx/Status
3	framework_err	internal

Device_GetInterruptByName_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetInterruptByName_Response
2	err	zx/Status
3	framework_err	internal

Device_GetMetadata_Result strict

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetMetadata_Response
2	err	zx/Status
3	framework_err	internal

Device_GetMmioById_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Mmio
2	err	zx/Status
3	framework_err	internal

Device_GetMmioByName_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Mmio
2	err	zx/Status
3	framework_err	internal

Device_GetNodeDeviceInfo_Result strict

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	NodeDeviceInfo
2	err	zx/Status
3	framework_err	internal

Device_GetPowerConfiguration_Result strict

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetPowerConfiguration_Response
2	err	zx/Status
3	framework_err	internal

Device_GetSmcById_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetSmcById_Response
2	err	zx/Status
3	framework_err	internal

Device_GetSmcByName_Result strict resource

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Ordinal	Variant	Type	Description
1	response	Device_GetSmcByName_Response
2	err	zx/Status
3	framework_err	internal

SERVICES

Service

Defined in fuchsia.hardware.platform.device/platform-device.fidl

Name	Type	Transport
device	fuchsia.hardware.platform.device/Device	Channel