| /** @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 - 2018, Intel Corporation. All rights reserved.<BR> |
| SPDX-License-Identifier: BSD-2-Clause-Patent |
| |
| @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. |
| |
| The SendCommand() function sends HCI command packet. Buffer holds the whole HCI |
| command packet, including OpCode, OCF, OGF, parameter length, and parameters. When |
| this function is returned, it just means the HCI command packet is sent, it does not mean |
| the command is success or complete. Caller might need to wait a command status event |
| to know the command status, or wait a command complete event to know if the |
| command is completed. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in,out] 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[in] Buffer A pointer to the buffer of data that will be transmitted to |
| Bluetooth host controller. |
| @param[in] 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. |
| |
| The ReceiveEvent() function receives HCI event packet. Buffer holds the whole HCI event |
| packet, including EventCode, parameter length, and parameters. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in,out] 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[out] Buffer A pointer to the buffer of data that will be received from |
| Bluetooth host controller. |
| @param[in] 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 |
| ); |
| |
| /** |
| The async callback of AsyncReceiveEvent(). |
| |
| @param[in] Data Data received via asynchronous transfer. |
| @param[in] DataLength The length of Data in bytes, received via asynchronous |
| transfer. |
| @param[in] Context Context passed from asynchronous transfer request. |
| |
| @retval EFI_SUCCESS The callback does execute successfully. |
| @retval Others The callback doesn't execute 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. |
| |
| The AsyncReceiveEvent() function receives HCI event packet in non-blocking way. Data |
| in Callback function holds the whole HCI event packet, including EventCode, parameter |
| length, and parameters. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in] IsNewTransfer If TRUE, a new transfer will be submitted. If FALSE, the |
| request is deleted. |
| @param[in] PollingInterval Indicates the periodic rate, in milliseconds, that the |
| transfer is to be executed. |
| @param[in] DataLength Specifies the length, in bytes, of the data to be received. |
| @param[in] Callback The callback function. This function is called if the |
| asynchronous transfer is completed. |
| @param[in] 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. |
| |
| The SendACLData() function sends HCI ACL data packet. Buffer holds the whole HCI ACL |
| data packet, including Handle, PB flag, BC flag, data length, and data. |
| |
| The SendACLData() function and ReceiveACLData() function just send and receive data |
| payload from application layer. In order to protect the payload data, the Bluetooth bus is |
| required to call HCI_Set_Connection_Encryption command to enable hardware based |
| encryption after authentication completed, according to pairing mode and host |
| capability. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in, out] 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[in] Buffer A pointer to the buffer of data that will be transmitted to |
| Bluetooth host controller. |
| @param[in] 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. |
| |
| The ReceiveACLData() function receives HCI ACL data packet. Buffer holds the whole HCI |
| ACL data packet, including Handle, PB flag, BC flag, data length, and data. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in, out] 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[out] Buffer A pointer to the buffer of data that will be received from |
| Bluetooth host controller. |
| @param[in] 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. |
| |
| The AsyncReceiveACLData() function receives HCI ACL data packet in non-blocking way. |
| Data in Callback holds the whole HCI ACL data packet, including Handle, PB flag, BC flag, |
| data length, and data. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in] IsNewTransfer If TRUE, a new transfer will be submitted. If FALSE, the |
| request is deleted. |
| @param[in] PollingInterval Indicates the periodic rate, in milliseconds, that the |
| transfer is to be executed. |
| @param[in] DataLength Specifies the length, in bytes, of the data to be received. |
| @param[in] Callback The callback function. This function is called if the |
| asynchronous transfer is completed. |
| @param[in] 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. |
| |
| The SendSCOData() function sends HCI SCO data packet. Buffer holds the whole HCI SCO |
| data packet, including ConnectionHandle, PacketStatus flag, data length, and data. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in,out] 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[in] Buffer A pointer to the buffer of data that will be transmitted to |
| Bluetooth host controller. |
| @param[in] 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. |
| |
| The ReceiveSCOData() function receives HCI SCO data packet. Buffer holds the whole HCI |
| SCO data packet, including ConnectionHandle, PacketStatus flag, data length, and data. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in,out] 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[out] Buffer A pointer to the buffer of data that will be received from |
| Bluetooth host controller. |
| @param[in] 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. |
| |
| The AsyncReceiveSCOData() function receives HCI SCO data packet in non-blocking way. |
| Data in Callback holds the whole HCI SCO data packet, including ConnectionHandle, |
| PacketStatus flag, data length, and data. |
| |
| @param[in] This Pointer to the EFI_BLUETOOTH_HC_PROTOCOL instance. |
| @param[in] IsNewTransfer If TRUE, a new transfer will be submitted. If FALSE, the |
| request is deleted. |
| @param[in] PollingInterval Indicates the periodic rate, in milliseconds, that the |
| transfer is to be executed. |
| @param[in] DataLength Specifies the length, in bytes, of the data to be received. |
| @param[in] Callback The callback function. This function is called if the |
| asynchronous transfer is completed. |
| @param[in] 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 |
| ); |
| |
| // |
| // The EFI_BLUETOOTH_HC_PROTOCOL is used to transmit or receive HCI layer data packets. |
| // |
| struct _EFI_BLUETOOTH_HC_PROTOCOL { |
| // |
| // Send HCI command packet. |
| // |
| EFI_BLUETOOTH_HC_SEND_COMMAND SendCommand; |
| // |
| // Receive HCI event packets. |
| // |
| EFI_BLUETOOTH_HC_RECEIVE_EVENT ReceiveEvent; |
| // |
| // Non-blocking receive HCI event packets. |
| // |
| EFI_BLUETOOTH_HC_ASYNC_RECEIVE_EVENT AsyncReceiveEvent; |
| // |
| // Send HCI ACL (asynchronous connection-oriented) data packets. |
| // |
| EFI_BLUETOOTH_HC_SEND_ACL_DATA SendACLData; |
| // |
| // Receive HCI ACL data packets. |
| // |
| EFI_BLUETOOTH_HC_RECEIVE_ACL_DATA ReceiveACLData; |
| // |
| // Non-blocking receive HCI ACL data packets. |
| // |
| EFI_BLUETOOTH_HC_ASYNC_RECEIVE_ACL_DATA AsyncReceiveACLData; |
| // |
| // Send HCI synchronous (SCO and eSCO) data packets. |
| // |
| EFI_BLUETOOTH_HC_SEND_SCO_DATA SendSCOData; |
| // |
| // Receive HCI synchronous data packets. |
| // |
| EFI_BLUETOOTH_HC_RECEIVE_SCO_DATA ReceiveSCOData; |
| // |
| // Non-blocking receive HCI synchronous data packets. |
| // |
| EFI_BLUETOOTH_HC_ASYNC_RECEIVE_SCO_DATA AsyncReceiveSCOData; |
| }; |
| |
| extern EFI_GUID gEfiBluetoothHcProtocolGuid; |
| |
| #endif |