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/** @file
EFI Bluetooth Host Controller Protocol as defined in UEFI 2.5.
This protocol abstracts the Bluetooth host controller layer message transmit and receive.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@par Revision Reference:
This Protocol is introduced in UEFI Specification 2.5
**/
#ifndef __EFI_BLUETOOTH_HC_PROTOCOL_H__
#define __EFI_BLUETOOTH_HC_PROTOCOL_H__
#define EFI_BLUETOOTH_HC_PROTOCOL_GUID \
{ \
0xb3930571, 0xbeba, 0x4fc5, { 0x92, 0x3, 0x94, 0x27, 0x24, 0x2e, 0x6a, 0x43 } \
}
typedef struct _EFI_BLUETOOTH_HC_PROTOCOL EFI_BLUETOOTH_HC_PROTOCOL;
/**
Send HCI command packet.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param BufferSize On input, indicates the size, in bytes, of the data buffer specified by Buffer.
On output, indicates the amount of data actually transferred.
@param Buffer A pointer to the buffer of data that will be transmitted to Bluetooth host
controller.
@param Timeout Indicating the transfer should be completed within this time frame. The units are
in milliseconds. If Timeout is 0, then the caller must wait for the function to
be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@retval EFI_SUCCESS The HCI command packet is sent successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- BufferSize is NULL.
- *BufferSize is 0.
- Buffer is NULL.
@retval EFI_TIMEOUT Sending HCI command packet fail due to timeout.
@retval EFI_DEVICE_ERROR Sending HCI command packet fail due to host controller or device error.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_SEND_COMMAND)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN OUT UINTN *BufferSize,
IN VOID *Buffer,
IN UINTN Timeout
);
/**
Receive HCI event packet.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param BufferSize On input, indicates the size, in bytes, of the data buffer specified by Buffer.
On output, indicates the amount of data actually transferred.
@param Buffer A pointer to the buffer of data that will be received from Bluetooth host controller.
@param Timeout Indicating the transfer should be completed within this time frame. The units are
in milliseconds. If Timeout is 0, then the caller must wait for the function to
be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@retval EFI_SUCCESS The HCI event packet is received successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- BufferSize is NULL.
- *BufferSize is 0.
- Buffer is NULL.
@retval EFI_TIMEOUT Receiving HCI event packet fail due to timeout.
@retval EFI_DEVICE_ERROR Receiving HCI event packet fail due to host controller or device error.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_RECEIVE_EVENT)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer,
IN UINTN Timeout
);
/**
Callback function, it is called when asynchronous transfer is completed.
@param Data Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param DataLength Specifies the length, in bytes, of the data to be received.
@param Context Data passed into Callback function. This is optional parameter and may be NULL.
@retval EFI_SUCCESS The callback function complete successfully.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_ASYNC_FUNC_CALLBACK) (
IN VOID *Data,
IN UINTN DataLength,
IN VOID *Context
);
/**
Receive HCI event packet in non-blocking way.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param IsNewTransfer If TRUE, a new transfer will be submitted. If FALSE, the request is deleted.
@param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be executed.
@param DataLength Specifies the length, in bytes, of the data to be received.
@param Callback The callback function. This function is called if the asynchronous transfer is
completed.
@param Context Data passed into Callback function. This is optional parameter and may be NULL.
@retval EFI_SUCCESS The HCI asynchronous receive request is submitted successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- DataLength is 0.
- If IsNewTransfer is TRUE, and an asynchronous receive request already exists.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_ASYNC_RECEIVE_EVENT)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN BOOLEAN IsNewTransfer,
IN UINTN PollingInterval,
IN UINTN DataLength,
IN EFI_BLUETOOTH_HC_ASYNC_FUNC_CALLBACK Callback,
IN VOID *Context
);
/**
Send HCI ACL data packet.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param BufferSize On input, indicates the size, in bytes, of the data buffer specified by Buffer.
On output, indicates the amount of data actually transferred.
@param Buffer A pointer to the buffer of data that will be transmitted to Bluetooth host
controller.
@param Timeout Indicating the transfer should be completed within this time frame. The units are
in milliseconds. If Timeout is 0, then the caller must wait for the function to
be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@retval EFI_SUCCESS The HCI ACL data packet is sent successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- BufferSize is NULL.
- *BufferSize is 0.
- Buffer is NULL.
@retval EFI_TIMEOUT Sending HCI ACL data packet fail due to timeout.
@retval EFI_DEVICE_ERROR Sending HCI ACL data packet fail due to host controller or device error.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_SEND_ACL_DATA)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN OUT UINTN *BufferSize,
IN VOID *Buffer,
IN UINTN Timeout
);
/**
Receive HCI ACL data packet.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param BufferSize On input, indicates the size, in bytes, of the data buffer specified by Buffer.
On output, indicates the amount of data actually transferred.
@param Buffer A pointer to the buffer of data that will be received from Bluetooth host controller.
@param Timeout Indicating the transfer should be completed within this time frame. The units are
in milliseconds. If Timeout is 0, then the caller must wait for the function to
be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@retval EFI_SUCCESS The HCI ACL data packet is received successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- BufferSize is NULL.
- *BufferSize is 0.
- Buffer is NULL.
@retval EFI_TIMEOUT Receiving HCI ACL data packet fail due to timeout.
@retval EFI_DEVICE_ERROR Receiving HCI ACL data packet fail due to host controller or device error.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_RECEIVE_ACL_DATA)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer,
IN UINTN Timeout
);
/**
Receive HCI ACL data packet in non-blocking way.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param IsNewTransfer If TRUE, a new transfer will be submitted. If FALSE, the request is deleted.
@param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be executed.
@param DataLength Specifies the length, in bytes, of the data to be received.
@param Callback The callback function. This function is called if the asynchronous transfer is
completed.
@param Context Data passed into Callback function. This is optional parameter and may be NULL.
@retval EFI_SUCCESS The HCI asynchronous receive request is submitted successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- DataLength is 0.
- If IsNewTransfer is TRUE, and an asynchronous receive request already exists.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_ASYNC_RECEIVE_ACL_DATA) (
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN BOOLEAN IsNewTransfer,
IN UINTN PollingInterval,
IN UINTN DataLength,
IN EFI_BLUETOOTH_HC_ASYNC_FUNC_CALLBACK Callback,
IN VOID *Context
);
/**
Send HCI SCO data packet.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param BufferSize On input, indicates the size, in bytes, of the data buffer specified by Buffer.
On output, indicates the amount of data actually transferred.
@param Buffer A pointer to the buffer of data that will be transmitted to Bluetooth host
controller.
@param Timeout Indicating the transfer should be completed within this time frame. The units are
in milliseconds. If Timeout is 0, then the caller must wait for the function to
be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@retval EFI_SUCCESS The HCI SCO data packet is sent successfully.
@retval EFI_UNSUPPORTED The implementation does not support HCI SCO transfer.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- BufferSize is NULL.
- *BufferSize is 0.
- Buffer is NULL.
@retval EFI_TIMEOUT Sending HCI SCO data packet fail due to timeout.
@retval EFI_DEVICE_ERROR Sending HCI SCO data packet fail due to host controller or device error.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_SEND_SCO_DATA)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN OUT UINTN *BufferSize,
IN VOID *Buffer,
IN UINTN Timeout
);
/**
Receive HCI SCO data packet.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param BufferSize On input, indicates the size, in bytes, of the data buffer specified by Buffer.
On output, indicates the amount of data actually transferred.
@param Buffer A pointer to the buffer of data that will be received from Bluetooth host controller.
@param Timeout Indicating the transfer should be completed within this time frame. The units are
in milliseconds. If Timeout is 0, then the caller must wait for the function to
be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@retval EFI_SUCCESS The HCI SCO data packet is received successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- BufferSize is NULL.
- *BufferSize is 0.
- Buffer is NULL.
@retval EFI_TIMEOUT Receiving HCI SCO data packet fail due to timeout
@retval EFI_DEVICE_ERROR Receiving HCI SCO data packet fail due to host controller or device error.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_RECEIVE_SCO_DATA)(
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer,
IN UINTN Timeout
);
/**
Receive HCI SCO data packet in non-blocking way.
@param This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance.
@param IsNewTransfer If TRUE, a new transfer will be submitted. If FALSE, the request is deleted.
@param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be executed.
@param DataLength Specifies the length, in bytes, of the data to be received.
@param Callback The callback function. This function is called if the asynchronous transfer is
completed.
@param Context Data passed into Callback function. This is optional parameter and may be NULL.
@retval EFI_SUCCESS The HCI asynchronous receive request is submitted successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
- DataLength is 0.
- If IsNewTransfer is TRUE, and an asynchronous receive request already exists.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_BLUETOOTH_HC_ASYNC_RECEIVE_SCO_DATA) (
IN EFI_BLUETOOTH_HC_PROTOCOL *This,
IN BOOLEAN IsNewTransfer,
IN UINTN PollingInterval,
IN UINTN DataLength,
IN EFI_BLUETOOTH_HC_ASYNC_FUNC_CALLBACK Callback,
IN VOID *Context
);
///
/// This protocol abstracts the Bluetooth host controller layer message transmit and receive.
///
struct _EFI_BLUETOOTH_HC_PROTOCOL {
EFI_BLUETOOTH_HC_SEND_COMMAND SendCommand;
EFI_BLUETOOTH_HC_RECEIVE_EVENT ReceiveEvent;
EFI_BLUETOOTH_HC_ASYNC_RECEIVE_EVENT AsyncReceiveEvent;
EFI_BLUETOOTH_HC_SEND_ACL_DATA SendACLData;
EFI_BLUETOOTH_HC_RECEIVE_ACL_DATA ReceiveACLData;
EFI_BLUETOOTH_HC_ASYNC_RECEIVE_ACL_DATA AsyncReceiveACLData;
EFI_BLUETOOTH_HC_SEND_SCO_DATA SendSCOData;
EFI_BLUETOOTH_HC_RECEIVE_SCO_DATA ReceiveSCOData;
EFI_BLUETOOTH_HC_ASYNC_RECEIVE_SCO_DATA AsyncReceiveSCOData;
};
extern EFI_GUID gEfiBluetoothHcProtocolGuid;
#endif
|
