-/**@file\r
+/** @file\r
+ UEFI Component Name and Name2 protocol for Isa serial driver.\r
\r
- \r
-Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
+Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
#include "Serial.h"\r
\r
+#define SERIAL_PORT_NAME "ISA Serial Port # "\r
//\r
// EFI Component Name Protocol\r
//\r
);\r
}\r
\r
-VOID\r
-AddName (\r
- IN SERIAL_DEV *SerialDevice,\r
- IN EFI_ISA_IO_PROTOCOL *IsaIo\r
- )\r
/**\r
+ Add the ISO639-2 and RFC4646 component name both for the Serial IO device\r
\r
- Routine Description:\r
- \r
- Add the component name for the serial io device\r
+ @param SerialDevice A pointer to the SERIAL_DEV instance.\r
\r
- Arguments:\r
- \r
- SerialDevice - A pointer to the SERIAL_DEV instance.\r
- IsaIo - A pointer to the EFI_ISA_IO_PROTOCOL instance.\r
- \r
- Returns:\r
+ @param IsaIo A pointer to the EFI_ISA_IO_PROTOCOL instance.\r
\r
- None\r
- \r
**/\r
+VOID\r
+AddName (\r
+ IN SERIAL_DEV *SerialDevice,\r
+ IN EFI_ISA_IO_PROTOCOL *IsaIo\r
+ )\r
{\r
CHAR16 SerialPortName[sizeof (SERIAL_PORT_NAME)];\r
\r
+++ /dev/null
-/**@file\r
-\r
- \r
-Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#ifndef _SERIAL_COMPONENT_NAME_H\r
-#define _SERIAL_COMPONENT_NAME_H\r
-\r
-#define SERIAL_PORT_NAME "ISA Serial Port # "\r
-#define ADD_SERIAL_NAME(x, y) AddName ((x), (y))\r
-\r
-extern EFI_COMPONENT_NAME_PROTOCOL gIsaSerialComponentName;\r
-extern EFI_COMPONENT_NAME2_PROTOCOL gIsaSerialComponentName2;\r
-\r
-//\r
-// EFI Component Name Functions\r
-//\r
-/**\r
- Retrieves a Unicode string that is the user readable name of the driver.\r
-\r
- This function retrieves the user readable name of a driver in the form of a\r
- Unicode string. If the driver specified by This has a user readable name in\r
- the language specified by Language, then a pointer to the driver name is\r
- returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
- by This does not support the language specified by Language,\r
- then EFI_UNSUPPORTED is returned.\r
-\r
- @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
- EFI_COMPONENT_NAME_PROTOCOL instance.\r
-\r
- @param Language[in] A pointer to a Null-terminated ASCII string\r
- array indicating the language. This is the\r
- language of the driver name that the caller is\r
- requesting, and it must match one of the\r
- languages specified in SupportedLanguages. The\r
- number of languages supported by a driver is up\r
- to the driver writer. Language is specified\r
- in RFC 4646 or ISO 639-2 language code format.\r
-\r
- @param DriverName[out] A pointer to the Unicode string to return.\r
- This Unicode string is the name of the\r
- driver specified by This in the language\r
- specified by Language.\r
-\r
- @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
- This and the language specified by Language was\r
- returned in DriverName.\r
-\r
- @retval EFI_INVALID_PARAMETER Language is NULL.\r
-\r
- @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
-\r
- @retval EFI_UNSUPPORTED The driver specified by This does not support\r
- the language specified by Language.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IsaSerialComponentNameGetDriverName (\r
- IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
- IN CHAR8 *Language,\r
- OUT CHAR16 **DriverName\r
- );\r
-\r
-\r
-/**\r
- Retrieves a Unicode string that is the user readable name of the controller\r
- that is being managed by a driver.\r
-\r
- This function retrieves the user readable name of the controller specified by\r
- ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
- driver specified by This has a user readable name in the language specified by\r
- Language, then a pointer to the controller name is returned in ControllerName,\r
- and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
- managing the controller specified by ControllerHandle and ChildHandle,\r
- then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
- support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
-\r
- @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
- EFI_COMPONENT_NAME_PROTOCOL instance.\r
-\r
- @param ControllerHandle[in] The handle of a controller that the driver\r
- specified by This is managing. This handle\r
- specifies the controller whose name is to be\r
- returned.\r
-\r
- @param ChildHandle[in] The handle of the child controller to retrieve\r
- the name of. This is an optional parameter that\r
- may be NULL. It will be NULL for device\r
- drivers. It will also be NULL for a bus drivers\r
- that wish to retrieve the name of the bus\r
- controller. It will not be NULL for a bus\r
- driver that wishes to retrieve the name of a\r
- child controller.\r
-\r
- @param Language[in] A pointer to a Null-terminated ASCII string\r
- array indicating the language. This is the\r
- language of the driver name that the caller is\r
- requesting, and it must match one of the\r
- languages specified in SupportedLanguages. The\r
- number of languages supported by a driver is up\r
- to the driver writer. Language is specified in\r
- RFC 4646 or ISO 639-2 language code format.\r
-\r
- @param ControllerName[out] A pointer to the Unicode string to return.\r
- This Unicode string is the name of the\r
- controller specified by ControllerHandle and\r
- ChildHandle in the language specified by\r
- Language from the point of view of the driver\r
- specified by This.\r
-\r
- @retval EFI_SUCCESS The Unicode string for the user readable name in\r
- the language specified by Language for the\r
- driver specified by This was returned in\r
- DriverName.\r
-\r
- @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
-\r
- @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
- EFI_HANDLE.\r
-\r
- @retval EFI_INVALID_PARAMETER Language is NULL.\r
-\r
- @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
-\r
- @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
- managing the controller specified by\r
- ControllerHandle and ChildHandle.\r
-\r
- @retval EFI_UNSUPPORTED The driver specified by This does not support\r
- the language specified by Language.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IsaSerialComponentNameGetControllerName (\r
- IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN EFI_HANDLE ChildHandle OPTIONAL,\r
- IN CHAR8 *Language,\r
- OUT CHAR16 **ControllerName\r
- );\r
-\r
-\r
-VOID\r
-AddName (\r
- IN SERIAL_DEV *SerialDevice,\r
- IN EFI_ISA_IO_PROTOCOL *IsaIo\r
- )\r
-/**\r
-\r
- Routine Description:\r
-\r
- Add the component name for the serial io device\r
-\r
- Arguments:\r
-\r
- SerialDevice - A pointer to the SERIAL_DEV instance.\r
- IsaIo - A pointer to the EFI_ISA_IO_PROTOCOL instance.\r
-\r
- Returns:\r
-\r
- None\r
-\r
-**/\r
-;\r
-\r
-#endif\r
#/** @file\r
-# Component description file for IsaSerial module.\r
-#\r
# Serial driver for standard UARTS on an ISA bus.\r
+#\r
# Copyright (c) 2007 - 2009, Intel Corporation\r
#\r
# All rights reserved. This program and the accompanying materials\r
\r
[Sources.common]\r
ComponentName.c\r
- ComponentName.h\r
Serial.h\r
Serial.c\r
\r
DebugLib\r
\r
[Protocols]\r
- gEfiIsaIoProtocolGuid # PROTOCOL TO_START\r
- gEfiSerialIoProtocolGuid # PROTOCOL BY_START\r
- gEfiDevicePathProtocolGuid # PROTOCOL TO_START\r
+ gEfiIsaIoProtocolGuid ## TO_START\r
+ gEfiDevicePathProtocolGuid ## TO_START\r
+ gEfiSerialIoProtocolGuid ## BY_START\r
\r
[FixedPcd.common]\r
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate|115200\r
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits|8\r
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity|1\r
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits|1\r
-\r
-\r
-/**@file\r
+/** @file\r
Serial driver for standard UARTS on an ISA bus.\r
\r
- Copyright (c) 2006 - 2007, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
+Copyright (c) 2006 - 2009, Intel Corporation<BR>\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
},\r
FALSE,\r
FALSE,\r
- UART16550A,\r
+ Uart16550A,\r
NULL\r
};\r
\r
/**\r
Check to see if this driver supports the given controller\r
\r
- @param This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param Controller - The handle of the controller to test.\r
- @param RemainingDevicePath - A pointer to the remaining portion of a device path.\r
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param Controller The handle of the controller to test.\r
+ @param RemainingDevicePath A pointer to the remaining portion of a device path.\r
\r
- @return EFI_SUCCESS - This driver can support the given controller\r
+ @return EFI_SUCCESS This driver can support the given controller\r
\r
**/\r
EFI_STATUS\r
/**\r
Start to management the controller passed in\r
\r
- @param This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param Controller - The handle of the controller to test.\r
- @param RemainingDevicePath - A pointer to the remaining portion of a device path.\r
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param Controller The handle of the controller to test.\r
+ @param RemainingDevicePath A pointer to the remaining portion of a device path.\r
\r
- @return EFI_SUCCESS - Driver is started successfully\r
+ @return EFI_SUCCESS Driver is started successfully\r
\r
**/\r
EFI_STATUS\r
SerialDevice->IsaIo = IsaIo;\r
SerialDevice->ParentDevicePath = ParentDevicePath;\r
\r
- ADD_SERIAL_NAME (SerialDevice, IsaIo);\r
+ AddName (SerialDevice, IsaIo);\r
\r
for (Index = 0; SerialDevice->IsaIo->ResourceList->ResourceItem[Index].Type != EfiIsaAcpiResourceEndOfList; Index++) {\r
if (SerialDevice->IsaIo->ResourceList->ResourceItem[Index].Type == EfiIsaAcpiResourceIo) {\r
This->DriverBindingHandle,\r
Controller\r
);\r
- if (SerialDevice) {\r
- if (SerialDevice->DevicePath) {\r
+ if (SerialDevice != NULL) {\r
+ if (SerialDevice->DevicePath != NULL) {\r
gBS->FreePool (SerialDevice->DevicePath);\r
}\r
\r
/**\r
Disconnect this driver with the controller, uninstall related protocol instance\r
\r
- @param This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param Controller - The handle of the controller to test.\r
- @param NumberOfChildren - Number of child device.\r
- @param ChildHandleBuffer - A pointer to the remaining portion of a device path.\r
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param Controller The handle of the controller to test.\r
+ @param NumberOfChildren Number of child device.\r
+ @param ChildHandleBuffer A pointer to the remaining portion of a device path.\r
\r
- @retval EFI_SUCCESS - Operation successfully\r
- @retval EFI_DEVICE_ERROR - Cannot stop the driver successfully\r
+ @retval EFI_SUCCESS Operation successfully\r
+ @retval EFI_DEVICE_ERROR Cannot stop the driver successfully\r
\r
**/\r
EFI_STATUS\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
);\r
} else {\r
- if (SerialDevice->DevicePath) {\r
+ if (SerialDevice->DevicePath != NULL) {\r
gBS->FreePool (SerialDevice->DevicePath);\r
}\r
\r
}\r
\r
/**\r
- Detect whether specific FIFO is full or not\r
+ Detect whether specific FIFO is full or not.\r
\r
- @param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
\r
@return whether specific FIFO is full or not\r
\r
}\r
\r
/**\r
- Detect whether specific FIFO is empty or not\r
-\r
+ Detect whether specific FIFO is empty or not.\r
\r
- @param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
\r
@return whether specific FIFO is empty or not\r
\r
}\r
\r
/**\r
- Add data to specific FIFO\r
+ Add data to specific FIFO.\r
\r
- @param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO\r
- @param Data - the data added to FIFO\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
+ @param Data the data added to FIFO\r
\r
- @retval EFI_SUCCESS - Add data to specific FIFO successfully\r
- @retval EFI_OUT_OF_RESOURCE - Failed to add data because FIFO is already full\r
+ @retval EFI_SUCCESS Add data to specific FIFO successfully\r
+ @retval EFI_OUT_OF_RESOURCE Failed to add data because FIFO is already full\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- Remove data from specific FIFO\r
+ Remove data from specific FIFO.\r
\r
- @param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO\r
- @param Data - the data removed from FIFO\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
+ @param Data the data removed from FIFO\r
\r
- @retval EFI_SUCCESS - Remove data from specific FIFO successfully\r
- @retval EFI_OUT_OF_RESOURCE - Failed to remove data because FIFO is empty\r
+ @retval EFI_SUCCESS Remove data from specific FIFO successfully\r
+ @retval EFI_OUT_OF_RESOURCE Failed to remove data because FIFO is empty\r
\r
**/\r
EFI_STATUS\r
/**\r
Reads and writes all avaliable data.\r
\r
- @param SerialDevice - The device to flush\r
+ @param SerialDevice The device to flush\r
\r
- @retval EFI_SUCCESS - Data was read/written successfully.\r
- @retval EFI_OUT_OF_RESOURCE - Failed because software receive FIFO is full. Note, when\r
+ @retval EFI_SUCCESS Data was read/written successfully.\r
+ @retval EFI_OUT_OF_RESOURCE Failed because software receive FIFO is full. Note, when\r
this happens, pending writes are not done.\r
\r
**/\r
//\r
// Flush incomming data to prevent a an overrun during a long write\r
//\r
- if (Lsr.Bits.DR && !ReceiveFifoFull) {\r
+ if ((Lsr.Bits.Dr == 1) && !ReceiveFifoFull) {\r
ReceiveFifoFull = IsaSerialFifoFull (&SerialDevice->Receive);\r
if (!ReceiveFifoFull) {\r
- if (Lsr.Bits.FIFOE || Lsr.Bits.OE || Lsr.Bits.PE || Lsr.Bits.FE || Lsr.Bits.BI) {\r
+ if (Lsr.Bits.FIFOe == 1 || Lsr.Bits.Oe == 1 || Lsr.Bits.Pe == 1 || Lsr.Bits.Fe == 1 || Lsr.Bits.Bi == 1) {\r
REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
EFI_ERROR_CODE,\r
EFI_P_EC_INPUT_ERROR | EFI_PERIPHERAL_SERIAL_PORT,\r
SerialDevice->DevicePath\r
);\r
- if (Lsr.Bits.FIFOE || Lsr.Bits.PE || Lsr.Bits.FE || Lsr.Bits.BI) {\r
+ if (Lsr.Bits.FIFOe == 1 || Lsr.Bits.Pe == 1|| Lsr.Bits.Fe == 1 || Lsr.Bits.Bi == 1) {\r
Data = READ_RBR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
continue;\r
}\r
//\r
if (SerialDevice->HardwareFlowControl) {\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Mcr.Bits.DTRC &= 0;\r
+ Mcr.Bits.DtrC &= 0;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
}\r
\r
//\r
if (SerialDevice->HardwareFlowControl) {\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Mcr.Bits.DTRC |= 1;\r
+ Mcr.Bits.DtrC |= 1;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
}\r
\r
//\r
// Do the write\r
//\r
- if (Lsr.Bits.THRE && !IsaSerialFifoEmpty (&SerialDevice->Transmit)) {\r
+ if (Lsr.Bits.Thre == 1 && !IsaSerialFifoEmpty (&SerialDevice->Transmit)) {\r
//\r
// Make sure the transmit data will not be missed\r
//\r
// Send RTS\r
//\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Mcr.Bits.RTS |= 1;\r
+ Mcr.Bits.Rts |= 1;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
//\r
// Wait for CTS\r
//\r
TimeOut = 0;\r
Msr.Data = READ_MSR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- while (!Msr.Bits.CTS) {\r
+ while (Msr.Bits.Cts == 0) {\r
gBS->Stall (TIMEOUT_STALL_INTERVAL);\r
TimeOut++;\r
if (TimeOut > 5) {\r
Msr.Data = READ_MSR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
}\r
\r
- if (Msr.Bits.CTS) {\r
+ if (Msr.Bits.Cts == 1) {\r
IsaSerialFifoRemove (&SerialDevice->Transmit, &Data);\r
WRITE_THR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Data);\r
}\r
// Assert RTS\r
//\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Mcr.Bits.RTS &= 0;\r
+ Mcr.Bits.Rts &= 0;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
}\r
}\r
- } while (Lsr.Bits.THRE && !IsaSerialFifoEmpty (&SerialDevice->Transmit));\r
+ } while (Lsr.Bits.Thre == 1 && !IsaSerialFifoEmpty (&SerialDevice->Transmit));\r
}\r
\r
return EFI_SUCCESS;\r
// Interface Functions\r
//\r
/**\r
- Reset serial device\r
+ Reset serial device.\r
\r
- @param This - Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
\r
- @retval EFI_SUCCESS - Reset successfully\r
- @retval EFI_DEVICE_ERROR - Failed to reset\r
+ @retval EFI_SUCCESS Reset successfully\r
+ @retval EFI_DEVICE_ERROR Failed to reset\r
\r
**/\r
EFI_STATUS\r
// Make sure DLAB is 0.\r
//\r
Lcr.Data = READ_LCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Lcr.Bits.DLAB = 0;\r
+ Lcr.Bits.DLab = 0;\r
WRITE_LCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Lcr.Data);\r
\r
//\r
// Turn off all interrupts\r
//\r
Ier.Data = READ_IER (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Ier.Bits.RAVIE = 0;\r
- Ier.Bits.THEIE = 0;\r
- Ier.Bits.RIE = 0;\r
- Ier.Bits.MIE = 0;\r
+ Ier.Bits.Ravie = 0;\r
+ Ier.Bits.Theie = 0;\r
+ Ier.Bits.Rie = 0;\r
+ Ier.Bits.Mie = 0;\r
WRITE_IER (SerialDevice->IsaIo, SerialDevice->BaseAddress, Ier.Data);\r
\r
//\r
// Disable the FIFO.\r
//\r
- Fcr.Bits.TRFIFOE = 0;\r
+ Fcr.Bits.TrFIFOE = 0;\r
WRITE_FCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Fcr.Data);\r
\r
//\r
// Turn off loopback and disable device interrupt.\r
//\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Mcr.Bits.OUT1 = 0;\r
- Mcr.Bits.OUT2 = 0;\r
- Mcr.Bits.LME = 0;\r
+ Mcr.Bits.Out1 = 0;\r
+ Mcr.Bits.Out2 = 0;\r
+ Mcr.Bits.Lme = 0;\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
\r
//\r
//\r
// for 16550A enable FIFO, 16550 disable FIFO\r
//\r
- Fcr.Bits.TRFIFOE = 1;\r
- Fcr.Bits.RESETRF = 1;\r
- Fcr.Bits.RESETTF = 1;\r
+ Fcr.Bits.TrFIFOE = 1;\r
+ Fcr.Bits.ResetRF = 1;\r
+ Fcr.Bits.ResetTF = 1;\r
WRITE_FCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Fcr.Data);\r
\r
//\r
}\r
\r
/**\r
- Set new attributes to a serial device\r
+ Set new attributes to a serial device.\r
\r
- @param This - Pointer to EFI_SERIAL_IO_PROTOCOL\r
- @param BaudRate - The baudrate of the serial device\r
- @param ReceiveFifoDepth - The depth of receive FIFO buffer\r
- @param Timeout - The request timeout for a single char\r
- @param Parity - The type of parity used in serial device\r
- @param DataBits - Number of databits used in serial device\r
- @param StopBits - Number of stopbits used in serial device\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param BaudRate The baudrate of the serial device\r
+ @param ReceiveFifoDepth The depth of receive FIFO buffer\r
+ @param Timeout The request timeout for a single char\r
+ @param Parity The type of parity used in serial device\r
+ @param DataBits Number of databits used in serial device\r
+ @param StopBits Number of stopbits used in serial device\r
\r
- @retval EFI_SUCCESS - The new attributes were set\r
- @retval EFI_INVALID_PARAMETERS - One or more attributes have an unsupported value\r
- @retval EFI_UNSUPPORTED - Data Bits can not set to 5 or 6\r
- @retval EFI_DEVICE_ERROR - The serial device is not functioning correctly (no return)\r
+ @retval EFI_SUCCESS The new attributes were set\r
+ @retval EFI_INVALID_PARAMETERS One or more attributes have an unsupported value\r
+ @retval EFI_UNSUPPORTED Data Bits can not set to 5 or 6\r
+ @retval EFI_DEVICE_ERROR The serial device is not functioning correctly (no return)\r
\r
**/\r
EFI_STATUS\r
((UINT32) BaudRate * 16),\r
&Remained\r
);\r
- if (Remained) {\r
+ if (Remained != 0) {\r
Divisor += 1;\r
}\r
\r
- if ((Divisor == 0) || (Divisor & 0xffff0000)) {\r
+ if ((Divisor == 0) || ((Divisor & 0xffff0000) != 0)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
// Put serial port on Divisor Latch Mode\r
//\r
Lcr.Data = READ_LCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Lcr.Bits.DLAB = 1;\r
+ Lcr.Bits.DLab = 1;\r
WRITE_LCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Lcr.Data);\r
\r
//\r
//\r
// Put serial port back in normal mode and set remaining attributes.\r
//\r
- Lcr.Bits.DLAB = 0;\r
+ Lcr.Bits.DLab = 0;\r
\r
switch (Parity) {\r
case NoParity:\r
- Lcr.Bits.PAREN = 0;\r
- Lcr.Bits.EVENPAR = 0;\r
- Lcr.Bits.STICPAR = 0;\r
+ Lcr.Bits.ParEn = 0;\r
+ Lcr.Bits.EvenPar = 0;\r
+ Lcr.Bits.SticPar = 0;\r
break;\r
\r
case EvenParity:\r
- Lcr.Bits.PAREN = 1;\r
- Lcr.Bits.EVENPAR = 1;\r
- Lcr.Bits.STICPAR = 0;\r
+ Lcr.Bits.ParEn = 1;\r
+ Lcr.Bits.EvenPar = 1;\r
+ Lcr.Bits.SticPar = 0;\r
break;\r
\r
case OddParity:\r
- Lcr.Bits.PAREN = 1;\r
- Lcr.Bits.EVENPAR = 0;\r
- Lcr.Bits.STICPAR = 0;\r
+ Lcr.Bits.ParEn = 1;\r
+ Lcr.Bits.EvenPar = 0;\r
+ Lcr.Bits.SticPar = 0;\r
break;\r
\r
case SpaceParity:\r
- Lcr.Bits.PAREN = 1;\r
- Lcr.Bits.EVENPAR = 1;\r
- Lcr.Bits.STICPAR = 1;\r
+ Lcr.Bits.ParEn = 1;\r
+ Lcr.Bits.EvenPar = 1;\r
+ Lcr.Bits.SticPar = 1;\r
break;\r
\r
case MarkParity:\r
- Lcr.Bits.PAREN = 1;\r
- Lcr.Bits.EVENPAR = 0;\r
- Lcr.Bits.STICPAR = 1;\r
+ Lcr.Bits.ParEn = 1;\r
+ Lcr.Bits.EvenPar = 0;\r
+ Lcr.Bits.SticPar = 1;\r
break;\r
\r
default:\r
\r
switch (StopBits) {\r
case OneStopBit:\r
- Lcr.Bits.STOPB = 0;\r
+ Lcr.Bits.StopB = 0;\r
break;\r
\r
case OneFiveStopBits:\r
case TwoStopBits:\r
- Lcr.Bits.STOPB = 1;\r
+ Lcr.Bits.StopB = 1;\r
break;\r
\r
default:\r
//\r
// DataBits\r
//\r
- Lcr.Bits.SERIALDB = (UINT8) ((DataBits - 5) & 0x03);\r
+ Lcr.Bits.SerialDB = (UINT8) ((DataBits - 5) & 0x03);\r
WRITE_LCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Lcr.Data);\r
\r
//\r
}\r
}\r
\r
- if (SerialDevice->DevicePath) {\r
+ if (SerialDevice->DevicePath != NULL) {\r
gBS->FreePool (SerialDevice->DevicePath);\r
}\r
\r
}\r
\r
/**\r
- Set Control Bits\r
+ Set Control Bits.\r
\r
- @param This - Pointer to EFI_SERIAL_IO_PROTOCOL\r
- @param Control - Control bits that can be settable\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param Control Control bits that can be settable\r
\r
- @retval EFI_SUCCESS - New Control bits were set successfully\r
- @retval EFI_UNSUPPORTED - The Control bits wanted to set are not supported\r
+ @retval EFI_SUCCESS New Control bits were set successfully\r
+ @retval EFI_UNSUPPORTED The Control bits wanted to set are not supported\r
\r
**/\r
EFI_STATUS\r
//\r
// first determine the parameter is invalid\r
//\r
- if (Control & 0xffff8ffc) {\r
+ if ((Control & 0xffff8ffc) != 0) {\r
return EFI_UNSUPPORTED;\r
}\r
\r
Tpl = gBS->RaiseTPL (TPL_NOTIFY);\r
\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
- Mcr.Bits.DTRC = 0;\r
- Mcr.Bits.RTS = 0;\r
- Mcr.Bits.LME = 0;\r
+ Mcr.Bits.DtrC = 0;\r
+ Mcr.Bits.Rts = 0;\r
+ Mcr.Bits.Lme = 0;\r
SerialDevice->SoftwareLoopbackEnable = FALSE;\r
SerialDevice->HardwareFlowControl = FALSE;\r
\r
- if (Control & EFI_SERIAL_DATA_TERMINAL_READY) {\r
- Mcr.Bits.DTRC = 1;\r
+ if ((Control & EFI_SERIAL_DATA_TERMINAL_READY) == EFI_SERIAL_DATA_TERMINAL_READY) {\r
+ Mcr.Bits.DtrC = 1;\r
}\r
\r
- if (Control & EFI_SERIAL_REQUEST_TO_SEND) {\r
- Mcr.Bits.RTS = 1;\r
+ if ((Control & EFI_SERIAL_REQUEST_TO_SEND) == EFI_SERIAL_REQUEST_TO_SEND) {\r
+ Mcr.Bits.Rts = 1;\r
}\r
\r
- if (Control & EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE) {\r
- Mcr.Bits.LME = 1;\r
+ if ((Control & EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE) == EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE) {\r
+ Mcr.Bits.Lme = 1;\r
}\r
\r
- if (Control & EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE) {\r
+ if ((Control & EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE) == EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE) {\r
SerialDevice->HardwareFlowControl = TRUE;\r
}\r
\r
WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);\r
\r
- if (Control & EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE) {\r
+ if ((Control & EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE) == EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE) {\r
SerialDevice->SoftwareLoopbackEnable = TRUE;\r
}\r
\r
}\r
\r
/**\r
- Get ControlBits\r
+ Get ControlBits.\r
\r
- @param This - Pointer to EFI_SERIAL_IO_PROTOCOL\r
- @param Control - Control signals of the serial device\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param Control Control signals of the serial device\r
\r
- @retval EFI_SUCCESS - Get Control signals successfully\r
+ @retval EFI_SUCCESS Get Control signals successfully\r
\r
**/\r
EFI_STATUS\r
//\r
Msr.Data = READ_MSR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
\r
- if (Msr.Bits.CTS) {\r
+ if (Msr.Bits.Cts == 1) {\r
*Control |= EFI_SERIAL_CLEAR_TO_SEND;\r
}\r
\r
- if (Msr.Bits.DSR) {\r
+ if (Msr.Bits.Dsr == 1) {\r
*Control |= EFI_SERIAL_DATA_SET_READY;\r
}\r
\r
- if (Msr.Bits.RI) {\r
+ if (Msr.Bits.Ri == 1) {\r
*Control |= EFI_SERIAL_RING_INDICATE;\r
}\r
\r
- if (Msr.Bits.DCD) {\r
+ if (Msr.Bits.Dcd == 1) {\r
*Control |= EFI_SERIAL_CARRIER_DETECT;\r
}\r
//\r
//\r
Mcr.Data = READ_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
\r
- if (Mcr.Bits.DTRC) {\r
+ if (Mcr.Bits.DtrC == 1) {\r
*Control |= EFI_SERIAL_DATA_TERMINAL_READY;\r
}\r
\r
- if (Mcr.Bits.RTS) {\r
+ if (Mcr.Bits.Rts == 1) {\r
*Control |= EFI_SERIAL_REQUEST_TO_SEND;\r
}\r
\r
- if (Mcr.Bits.LME) {\r
+ if (Mcr.Bits.Lme == 1) {\r
*Control |= EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE;\r
}\r
\r
}\r
\r
/**\r
- Write the specified number of bytes to serial device\r
+ Write the specified number of bytes to serial device.\r
\r
- @param This - Pointer to EFI_SERIAL_IO_PROTOCOL\r
- @param BufferSize - On input the size of Buffer, on output the amount of\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param BufferSize On input the size of Buffer, on output the amount of\r
data actually written\r
- @param Buffer - The buffer of data to write\r
+ @param Buffer The buffer of data to write\r
\r
- @retval EFI_SUCCESS - The data were written successfully\r
- @retval EFI_DEVICE_ERROR - The device reported an error\r
- @retval EFI_TIMEOUT - The write operation was stopped due to timeout\r
+ @retval EFI_SUCCESS The data were written successfully\r
+ @retval EFI_DEVICE_ERROR The device reported an error\r
+ @retval EFI_TIMEOUT The write operation was stopped due to timeout\r
\r
**/\r
EFI_STATUS\r
return EFI_SUCCESS;\r
}\r
\r
- if (!Buffer) {\r
+ if (Buffer == NULL) {\r
REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
EFI_ERROR_CODE,\r
EFI_P_EC_OUTPUT_ERROR | EFI_PERIPHERAL_SERIAL_PORT,\r
}\r
\r
/**\r
- Read the specified number of bytes from serial device\r
+ Read the specified number of bytes from serial device.\r
\r
- @param This - Pointer to EFI_SERIAL_IO_PROTOCOL\r
- @param BufferSize - On input the size of Buffer, on output the amount of\r
- data returned in buffer\r
- @param Buffer - The buffer to return the data into\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param BufferSize On input the size of Buffer, on output the amount of\r
+ data returned in buffer\r
+ @param Buffer The buffer to return the data into\r
\r
- @retval EFI_SUCCESS - The data were read successfully\r
- @retval EFI_DEVICE_ERROR - The device reported an error\r
- @retval EFI_TIMEOUT - The read operation was stopped due to timeout\r
+ @retval EFI_SUCCESS The data were read successfully\r
+ @retval EFI_DEVICE_ERROR The device reported an error\r
+ @retval EFI_TIMEOUT The read operation was stopped due to timeout\r
\r
**/\r
EFI_STATUS\r
return EFI_SUCCESS;\r
}\r
\r
- if (!Buffer) {\r
+ if (Buffer == NULL) {\r
return EFI_DEVICE_ERROR;\r
}\r
\r
}\r
\r
/**\r
- Use scratchpad register to test if this serial port is present\r
+ Use scratchpad register to test if this serial port is present.\r
\r
- @param SerialDevice - Pointer to serial device structure\r
+ @param SerialDevice Pointer to serial device structure\r
\r
@return if this serial port is present\r
**/\r
}\r
\r
/**\r
- Use IsaIo protocol to read serial port\r
+ Use IsaIo protocol to read serial port.\r
\r
- @param IsaIo - Pointer to EFI_ISA_IO_PROTOCOL instance\r
- @param BaseAddress - Serial port register group base address\r
- @param Offset - Offset in register group\r
+ @param IsaIo Pointer to EFI_ISA_IO_PROTOCOL instance\r
+ @param BaseAddress Serial port register group base address\r
+ @param Offset Offset in register group\r
\r
@return Data read from serial port\r
\r
}\r
\r
/**\r
- Use IsaIo protocol to write serial port\r
+ Use IsaIo protocol to write serial port.\r
\r
- @param IsaIo - Pointer to EFI_ISA_IO_PROTOCOL instance\r
- @param BaseAddress - Serial port register group base address\r
- @param Offset - Offset in register group\r
- @param Data - data which is to be written to some serial port register\r
+ @param IsaIo Pointer to EFI_ISA_IO_PROTOCOL instance\r
+ @param BaseAddress Serial port register group base address\r
+ @param Offset Offset in register group\r
+ @param Data data which is to be written to some serial port register\r
\r
**/\r
VOID\r
-/**@file\r
+/** @file\r
Include for Serial Driver\r
\r
-Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
+Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
**/\r
\r
-#ifndef _SERIAL_H\r
-#define _SERIAL_H\r
+#ifndef _SERIAL_H_\r
+#define _SERIAL_H_\r
\r
\r
#include <PiDxe.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
#include <Library/PcdLib.h>\r
+\r
//\r
// Driver Binding Externs\r
//\r
} SERIAL_DEV_FIFO;\r
\r
typedef enum {\r
- UART8250 = 0,\r
- UART16450 = 1,\r
- UART16550 = 2,\r
- UART16550A= 3\r
+ Uart8250 = 0,\r
+ Uart16450 = 1,\r
+ Uart16550 = 2,\r
+ Uart16550A= 3\r
} EFI_UART_TYPE;\r
\r
//\r
EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r
} SERIAL_DEV;\r
\r
-#include "ComponentName.h"\r
-\r
#define SERIAL_DEV_FROM_THIS(a) CR (a, SERIAL_DEV, SerialIo, SERIAL_DEV_SIGNATURE)\r
\r
-\r
//\r
// Serial Driver Defaults\r
//\r
#define SERIAL_PORT_DEFAULT_RECEIVE_FIFO_DEPTH 1\r
#define SERIAL_PORT_DEFAULT_TIMEOUT 1000000\r
-\r
-/*\r
-#define SERIAL_PORT_DEFAULT_BAUD_RATE 115200\r
-#define SERIAL_PORT_DEFAULT_PARITY NoParity\r
-#define SERIAL_PORT_DEFAULT_DATA_BITS 8\r
-#define SERIAL_PORT_DEFAULT_STOP_BITS 1\r
-*/\r
#define SERIAL_PORT_DEFAULT_CONTROL_MASK 0\r
\r
\r
// Purpose: Define each bit in Interrupt Enable Register\r
// Context:\r
// Fields:\r
-// RAVIE Bit0: Receiver Data Available Interrupt Enable\r
-// THEIE Bit1: Transmistter Holding Register Empty Interrupt Enable\r
-// RIE Bit2: Receiver Interrupt Enable\r
-// MIE Bit3: Modem Interrupt Enable\r
+// Ravie Bit0: Receiver Data Available Interrupt Enable\r
+// Theie Bit1: Transmistter Holding Register Empty Interrupt Enable\r
+// Rie Bit2: Receiver Interrupt Enable\r
+// Mie Bit3: Modem Interrupt Enable\r
// Reserved Bit4-Bit7: Reserved\r
//\r
typedef struct {\r
- UINT8 RAVIE : 1;\r
- UINT8 THEIE : 1;\r
- UINT8 RIE : 1;\r
- UINT8 MIE : 1;\r
+ UINT8 Ravie : 1;\r
+ UINT8 Theie : 1;\r
+ UINT8 Rie : 1;\r
+ UINT8 Mie : 1;\r
UINT8 Reserved : 4;\r
} SERIAL_PORT_IER_BITS;\r
\r
UINT8 Data;\r
} SERIAL_PORT_IER;\r
\r
-//\r
-// Name: SERIAL_PORT_IIR_BITS\r
-// Purpose: Define each bit in Interrupt Identification Register\r
-// Context:\r
-// Fields:\r
-// IPS Bit0: Interrupt Pending Status\r
-// IIB Bit1-Bit3: Interrupt ID Bits\r
-// Reserved Bit4-Bit5: Reserved\r
-// FIFOES Bit6-Bit7: FIFO Mode Enable Status\r
-//\r
-typedef struct {\r
- UINT8 IPS : 1;\r
- UINT8 IIB : 3;\r
- UINT8 Reserved : 2;\r
- UINT8 FIFOES : 2;\r
-} SERIAL_PORT_IIR_BITS;\r
-\r
-//\r
-// Name: SERIAL_PORT_IIR\r
-// Purpose:\r
-// Context:\r
-// Fields:\r
-// Bits SERIAL_PORT_IIR_BITS: Bits of the IIR\r
-// Data UINT8: the value of the IIR\r
-//\r
-typedef union {\r
- SERIAL_PORT_IIR_BITS Bits;\r
- UINT8 Data;\r
-} SERIAL_PORT_IIR;\r
-\r
//\r
// Name: SERIAL_PORT_FCR_BITS\r
// Purpose: Define each bit in FIFO Control Register\r
// Context:\r
// Fields:\r
-// TRFIFOE Bit0: Transmit and Receive FIFO Enable\r
-// RESETRF Bit1: Reset Reciever FIFO\r
-// RESETTF Bit2: Reset Transmistter FIFO\r
-// DMS Bit3: DMA Mode Select\r
+// TrFIFOE Bit0: Transmit and Receive FIFO Enable\r
+// ResetRF Bit1: Reset Reciever FIFO\r
+// ResetTF Bit2: Reset Transmistter FIFO\r
+// Dms Bit3: DMA Mode Select\r
// Reserved Bit4-Bit5: Reserved\r
-// RTB Bit6-Bit7: Receive Trigger Bits\r
+// Rtb Bit6-Bit7: Receive Trigger Bits\r
//\r
typedef struct {\r
- UINT8 TRFIFOE : 1;\r
- UINT8 RESETRF : 1;\r
- UINT8 RESETTF : 1;\r
- UINT8 DMS : 1;\r
+ UINT8 TrFIFOE : 1;\r
+ UINT8 ResetRF : 1;\r
+ UINT8 ResetTF : 1;\r
+ UINT8 Dms : 1;\r
UINT8 Reserved : 2;\r
- UINT8 RTB : 2;\r
+ UINT8 Rtb : 2;\r
} SERIAL_PORT_FCR_BITS;\r
\r
//\r
// Purpose: Define each bit in Line Control Register\r
// Context:\r
// Fields:\r
-// SERIALDB Bit0-Bit1: Number of Serial Data Bits\r
-// STOPB Bit2: Number of Stop Bits\r
-// PAREN Bit3: Parity Enable\r
-// EVENPAR Bit4: Even Parity Select\r
-// STICPAR Bit5: Sticky Parity\r
-// BRCON Bit6: Break Control\r
-// DLAB Bit7: Divisor Latch Access Bit\r
+// SerialDB Bit0-Bit1: Number of Serial Data Bits\r
+// StopB Bit2: Number of Stop Bits\r
+// ParEn Bit3: Parity Enable\r
+// EvenPar Bit4: Even Parity Select\r
+// SticPar Bit5: Sticky Parity\r
+// BrCon Bit6: Break Control\r
+// DLab Bit7: Divisor Latch Access Bit\r
//\r
typedef struct {\r
- UINT8 SERIALDB : 2;\r
- UINT8 STOPB : 1;\r
- UINT8 PAREN : 1;\r
- UINT8 EVENPAR : 1;\r
- UINT8 STICPAR : 1;\r
- UINT8 BRCON : 1;\r
- UINT8 DLAB : 1;\r
+ UINT8 SerialDB : 2;\r
+ UINT8 StopB : 1;\r
+ UINT8 ParEn : 1;\r
+ UINT8 EvenPar : 1;\r
+ UINT8 SticPar : 1;\r
+ UINT8 BrCon : 1;\r
+ UINT8 DLab : 1;\r
} SERIAL_PORT_LCR_BITS;\r
\r
//\r
// Purpose: Define each bit in Modem Control Register\r
// Context:\r
// Fields:\r
-// DTRC Bit0: Data Terminal Ready Control\r
-// RTS Bit1: Request To Send Control\r
-// OUT1 Bit2: Output1\r
-// OUT2 Bit3: Output2, used to disable interrupt\r
-// LME; Bit4: Loopback Mode Enable\r
+// DtrC Bit0: Data Terminal Ready Control\r
+// Rts Bit1: Request To Send Control\r
+// Out1 Bit2: Output1\r
+// Out2 Bit3: Output2, used to disable interrupt\r
+// Lme; Bit4: Loopback Mode Enable\r
// Reserved Bit5-Bit7: Reserved\r
//\r
typedef struct {\r
- UINT8 DTRC : 1;\r
- UINT8 RTS : 1;\r
- UINT8 OUT1 : 1;\r
- UINT8 OUT2 : 1;\r
- UINT8 LME : 1;\r
+ UINT8 DtrC : 1;\r
+ UINT8 Rts : 1;\r
+ UINT8 Out1 : 1;\r
+ UINT8 Out2 : 1;\r
+ UINT8 Lme : 1;\r
UINT8 Reserved : 3;\r
} SERIAL_PORT_MCR_BITS;\r
\r
// Purpose: Define each bit in Line Status Register\r
// Context:\r
// Fields:\r
-// DR Bit0: Receiver Data Ready Status\r
-// OE Bit1: Overrun Error Status\r
-// PE Bit2: Parity Error Status\r
-// FE Bit3: Framing Error Status\r
-// BI Bit4: Break Interrupt Status\r
-// THRE Bit5: Transmistter Holding Register Status\r
-// TEMT Bit6: Transmitter Empty Status\r
-// FIFOE Bit7: FIFO Error Status\r
+// Dr Bit0: Receiver Data Ready Status\r
+// Oe Bit1: Overrun Error Status\r
+// Pe Bit2: Parity Error Status\r
+// Fe Bit3: Framing Error Status\r
+// Bi Bit4: Break Interrupt Status\r
+// Thre Bit5: Transmistter Holding Register Status\r
+// Temt Bit6: Transmitter Empty Status\r
+// FIFOe Bit7: FIFO Error Status\r
//\r
typedef struct {\r
- UINT8 DR : 1;\r
- UINT8 OE : 1;\r
- UINT8 PE : 1;\r
- UINT8 FE : 1;\r
- UINT8 BI : 1;\r
- UINT8 THRE : 1;\r
- UINT8 TEMT : 1;\r
- UINT8 FIFOE : 1;\r
+ UINT8 Dr : 1;\r
+ UINT8 Oe : 1;\r
+ UINT8 Pe : 1;\r
+ UINT8 Fe : 1;\r
+ UINT8 Bi : 1;\r
+ UINT8 Thre : 1;\r
+ UINT8 Temt : 1;\r
+ UINT8 FIFOe : 1;\r
} SERIAL_PORT_LSR_BITS;\r
\r
//\r
// DeltaDSR Bit1: Delta Data Set Ready Status\r
// TrailingEdgeRI Bit2: Trailing Edge of Ring Indicator Status\r
// DeltaDCD Bit3: Delta Data Carrier Detect Status\r
-// CTS Bit4: Clear To Send Status\r
-// DSR Bit5: Data Set Ready Status\r
-// RI Bit6: Ring Indicator Status\r
-// DCD Bit7: Data Carrier Detect Status\r
+// Cts Bit4: Clear To Send Status\r
+// Dsr Bit5: Data Set Ready Status\r
+// Ri Bit6: Ring Indicator Status\r
+// Dcd Bit7: Data Carrier Detect Status\r
//\r
typedef struct {\r
UINT8 DeltaCTS : 1;\r
UINT8 DeltaDSR : 1;\r
UINT8 TrailingEdgeRI : 1;\r
UINT8 DeltaDCD : 1;\r
- UINT8 CTS : 1;\r
- UINT8 DSR : 1;\r
- UINT8 RI : 1;\r
- UINT8 DCD : 1;\r
+ UINT8 Cts : 1;\r
+ UINT8 Dsr : 1;\r
+ UINT8 Ri : 1;\r
+ UINT8 Dcd : 1;\r
} SERIAL_PORT_MSR_BITS;\r
\r
//\r
// Prototypes\r
// Driver model protocol interface\r
//\r
+/**\r
+ Check to see if this driver supports the given controller\r
\r
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param Controller The handle of the controller to test.\r
+ @param RemainingDevicePath A pointer to the remaining portion of a device path.\r
+\r
+ @return EFI_SUCCESS This driver can support the given controller\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
SerialControllerDriverSupported (\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
);\r
\r
+/**\r
+ Start to management the controller passed in\r
+\r
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param Controller The handle of the controller to test.\r
+ @param RemainingDevicePath A pointer to the remaining portion of a device path.\r
+\r
+ @return EFI_SUCCESS Driver is started successfully\r
+**/\r
EFI_STATUS\r
EFIAPI\r
SerialControllerDriverStart (\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
);\r
\r
+/**\r
+ Disconnect this driver with the controller, uninstall related protocol instance\r
+\r
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param Controller The handle of the controller to test.\r
+ @param NumberOfChildren Number of child device.\r
+ @param ChildHandleBuffer A pointer to the remaining portion of a device path.\r
+\r
+ @retval EFI_SUCCESS Operation successfully\r
+ @retval EFI_DEVICE_ERROR Cannot stop the driver successfully\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
SerialControllerDriverStop (\r
//\r
// Serial I/O Protocol Interface\r
//\r
+/**\r
+ Reset serial device.\r
+\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+\r
+ @retval EFI_SUCCESS Reset successfully\r
+ @retval EFI_DEVICE_ERROR Failed to reset\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
IsaSerialReset (\r
IN EFI_SERIAL_IO_PROTOCOL *This\r
);\r
\r
+/**\r
+ Set new attributes to a serial device.\r
+\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param BaudRate The baudrate of the serial device\r
+ @param ReceiveFifoDepth The depth of receive FIFO buffer\r
+ @param Timeout The request timeout for a single char\r
+ @param Parity The type of parity used in serial device\r
+ @param DataBits Number of databits used in serial device\r
+ @param StopBits Number of stopbits used in serial device\r
+\r
+ @retval EFI_SUCCESS The new attributes were set\r
+ @retval EFI_INVALID_PARAMETERS One or more attributes have an unsupported value\r
+ @retval EFI_UNSUPPORTED Data Bits can not set to 5 or 6\r
+ @retval EFI_DEVICE_ERROR The serial device is not functioning correctly (no return)\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
IsaSerialSetAttributes (\r
IN EFI_STOP_BITS_TYPE StopBits\r
);\r
\r
+/**\r
+ Set Control Bits.\r
+\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param Control Control bits that can be settable\r
+\r
+ @retval EFI_SUCCESS New Control bits were set successfully\r
+ @retval EFI_UNSUPPORTED The Control bits wanted to set are not supported\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
IsaSerialSetControl (\r
IN UINT32 Control\r
);\r
\r
+/**\r
+ Get ControlBits.\r
+\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param Control Control signals of the serial device\r
+\r
+ @retval EFI_SUCCESS Get Control signals successfully\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
IsaSerialGetControl (\r
OUT UINT32 *Control\r
);\r
\r
+/**\r
+ Write the specified number of bytes to serial device.\r
+\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param BufferSize On input the size of Buffer, on output the amount of\r
+ data actually written\r
+ @param Buffer The buffer of data to write\r
+\r
+ @retval EFI_SUCCESS The data were written successfully\r
+ @retval EFI_DEVICE_ERROR The device reported an error\r
+ @retval EFI_TIMEOUT The write operation was stopped due to timeout\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
IsaSerialWrite (\r
IN VOID *Buffer\r
);\r
\r
+/**\r
+ Read the specified number of bytes from serial device.\r
+\r
+ @param This Pointer to EFI_SERIAL_IO_PROTOCOL\r
+ @param BufferSize On input the size of Buffer, on output the amount of\r
+ data returned in buffer\r
+ @param Buffer The buffer to return the data into\r
+\r
+ @retval EFI_SUCCESS The data were read successfully\r
+ @retval EFI_DEVICE_ERROR The device reported an error\r
+ @retval EFI_TIMEOUT The read operation was stopped due to timeout\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
IsaSerialRead (\r
//\r
// Internal Functions\r
//\r
+/**\r
+ Use scratchpad register to test if this serial port is present.\r
+\r
+ @param SerialDevice Pointer to serial device structure\r
+\r
+ @return if this serial port is present\r
+**/\r
BOOLEAN\r
IsaSerialPortPresent (\r
IN SERIAL_DEV *SerialDevice\r
);\r
\r
+/**\r
+ Detect whether specific FIFO is full or not.\r
+\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
+\r
+ @return whether specific FIFO is full or not\r
+\r
+**/\r
BOOLEAN\r
IsaSerialFifoFull (\r
IN SERIAL_DEV_FIFO *Fifo\r
);\r
\r
+/**\r
+ Detect whether specific FIFO is empty or not.\r
+ \r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
+\r
+ @return whether specific FIFO is empty or not\r
+\r
+**/\r
BOOLEAN\r
IsaSerialFifoEmpty (\r
IN SERIAL_DEV_FIFO *Fifo\r
);\r
\r
+/**\r
+ Add data to specific FIFO.\r
+\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
+ @param Data the data added to FIFO\r
+\r
+ @retval EFI_SUCCESS Add data to specific FIFO successfully\r
+ @retval EFI_OUT_OF_RESOURCE Failed to add data because FIFO is already full\r
+\r
+**/\r
EFI_STATUS\r
IsaSerialFifoAdd (\r
IN SERIAL_DEV_FIFO *Fifo,\r
IN UINT8 Data\r
);\r
\r
+/**\r
+ Remove data from specific FIFO.\r
+\r
+ @param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
+ @param Data the data removed from FIFO\r
+\r
+ @retval EFI_SUCCESS Remove data from specific FIFO successfully\r
+ @retval EFI_OUT_OF_RESOURCE Failed to remove data because FIFO is empty\r
+\r
+**/\r
EFI_STATUS\r
IsaSerialFifoRemove (\r
IN SERIAL_DEV_FIFO *Fifo,\r
OUT UINT8 *Data\r
);\r
\r
+/**\r
+ Reads and writes all avaliable data.\r
+\r
+ @param SerialDevice The device to flush\r
+\r
+ @retval EFI_SUCCESS Data was read/written successfully.\r
+ @retval EFI_OUT_OF_RESOURCE Failed because software receive FIFO is full. Note, when\r
+ this happens, pending writes are not done.\r
+\r
+**/\r
EFI_STATUS\r
IsaSerialReceiveTransmit (\r
IN SERIAL_DEV *SerialDevice\r
);\r
\r
+/**\r
+ Use IsaIo protocol to read serial port.\r
+\r
+ @param IsaIo Pointer to EFI_ISA_IO_PROTOCOL instance\r
+ @param BaseAddress Serial port register group base address\r
+ @param Offset Offset in register group\r
+\r
+ @return Data read from serial port\r
+\r
+**/\r
UINT8\r
IsaSerialReadPort (\r
IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
IN UINT32 Offset\r
);\r
\r
+/**\r
+ Use IsaIo protocol to write serial port.\r
+\r
+ @param IsaIo Pointer to EFI_ISA_IO_PROTOCOL instance\r
+ @param BaseAddress Serial port register group base address\r
+ @param Offset Offset in register group\r
+ @param Data data which is to be written to some serial port register\r
+\r
+**/\r
VOID\r
IsaSerialWritePort (\r
IN EFI_ISA_IO_PROTOCOL *IsaIo,\r
IN UINT8 Data\r
);\r
\r
+\r
+//\r
+// EFI Component Name Functions\r
+//\r
+/**\r
+ Retrieves a Unicode string that is the user readable name of the driver.\r
+\r
+ This function retrieves the user readable name of a driver in the form of a\r
+ Unicode string. If the driver specified by This has a user readable name in\r
+ the language specified by Language, then a pointer to the driver name is\r
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
+ by This does not support the language specified by Language,\r
+ then EFI_UNSUPPORTED is returned.\r
+\r
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
+ EFI_COMPONENT_NAME_PROTOCOL instance.\r
+\r
+ @param Language[in] A pointer to a Null-terminated ASCII string\r
+ array indicating the language. This is the\r
+ language of the driver name that the caller is\r
+ requesting, and it must match one of the\r
+ languages specified in SupportedLanguages. The\r
+ number of languages supported by a driver is up\r
+ to the driver writer. Language is specified\r
+ in RFC 4646 or ISO 639-2 language code format.\r
+\r
+ @param DriverName[out] A pointer to the Unicode string to return.\r
+ This Unicode string is the name of the\r
+ driver specified by This in the language\r
+ specified by Language.\r
+\r
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
+ This and the language specified by Language was\r
+ returned in DriverName.\r
+\r
+ @retval EFI_INVALID_PARAMETER Language is NULL.\r
+\r
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
+\r
+ @retval EFI_UNSUPPORTED The driver specified by This does not support\r
+ the language specified by Language.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IsaSerialComponentNameGetDriverName (\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **DriverName\r
+ );\r
+\r
+\r
+/**\r
+ Retrieves a Unicode string that is the user readable name of the controller\r
+ that is being managed by a driver.\r
+\r
+ This function retrieves the user readable name of the controller specified by\r
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
+ driver specified by This has a user readable name in the language specified by\r
+ Language, then a pointer to the controller name is returned in ControllerName,\r
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
+ managing the controller specified by ControllerHandle and ChildHandle,\r
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
+\r
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
+ EFI_COMPONENT_NAME_PROTOCOL instance.\r
+\r
+ @param ControllerHandle[in] The handle of a controller that the driver\r
+ specified by This is managing. This handle\r
+ specifies the controller whose name is to be\r
+ returned.\r
+\r
+ @param ChildHandle[in] The handle of the child controller to retrieve\r
+ the name of. This is an optional parameter that\r
+ may be NULL. It will be NULL for device\r
+ drivers. It will also be NULL for a bus drivers\r
+ that wish to retrieve the name of the bus\r
+ controller. It will not be NULL for a bus\r
+ driver that wishes to retrieve the name of a\r
+ child controller.\r
+\r
+ @param Language[in] A pointer to a Null-terminated ASCII string\r
+ array indicating the language. This is the\r
+ language of the driver name that the caller is\r
+ requesting, and it must match one of the\r
+ languages specified in SupportedLanguages. The\r
+ number of languages supported by a driver is up\r
+ to the driver writer. Language is specified in\r
+ RFC 4646 or ISO 639-2 language code format.\r
+\r
+ @param ControllerName[out] A pointer to the Unicode string to return.\r
+ This Unicode string is the name of the\r
+ controller specified by ControllerHandle and\r
+ ChildHandle in the language specified by\r
+ Language from the point of view of the driver\r
+ specified by This.\r
+\r
+ @retval EFI_SUCCESS The Unicode string for the user readable name in\r
+ the language specified by Language for the\r
+ driver specified by This was returned in\r
+ DriverName.\r
+\r
+ @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
+\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
+ EFI_HANDLE.\r
+\r
+ @retval EFI_INVALID_PARAMETER Language is NULL.\r
+\r
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
+\r
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
+ managing the controller specified by\r
+ ControllerHandle and ChildHandle.\r
+\r
+ @retval EFI_UNSUPPORTED The driver specified by This does not support\r
+ the language specified by Language.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IsaSerialComponentNameGetControllerName (\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_HANDLE ChildHandle OPTIONAL,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **ControllerName\r
+ );\r
+\r
+/**\r
+ Add the component name for the serial io device\r
+\r
+ @param SerialDevice A pointer to the SERIAL_DEV instance.\r
+\r
+ @param IsaIo A pointer to the EFI_ISA_IO_PROTOCOL instance.\r
+\r
+**/\r
+VOID\r
+AddName (\r
+ IN SERIAL_DEV *SerialDevice,\r
+ IN EFI_ISA_IO_PROTOCOL *IsaIo\r
+ );\r
+\r
#endif\r
UefiDecompress (\r
IN CONST VOID *Source,\r
IN OUT VOID *Destination,\r
- IN OUT VOID *Scratch\r
+ IN OUT VOID *Scratch OPTIONAL\r
)\r
{\r
return UefiTianoDecompress (Source, Destination, Scratch, 1);\r
// Make sure we initialize the new stream with the correct \r
// authentication status for both aggregate and local status fields.\r
//\r
- if ((GuidedHeader->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID) != 0) {\r
+ if ((GuidedHeader->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID) == EFI_GUIDED_SECTION_AUTH_STATUS_VALID) {\r
//\r
// OR in the parent stream's aggregate status.\r
//\r
//\r
// There's no GUIDed section extraction protocol available.\r
//\r
- if ((GuidedHeader->Attributes & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) {\r
+ if ((GuidedHeader->Attributes & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) == EFI_GUIDED_SECTION_PROCESSING_REQUIRED) {\r
//\r
// If the section REQUIRES an extraction protocol, then we're toast\r
//\r
// Figure out the proper authentication status\r
//\r
AuthenticationStatus = Stream->AuthenticationStatus;\r
- if (GuidedHeader->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID) {\r
+ if ((GuidedHeader->Attributes & EFI_GUIDED_SECTION_AUTH_STATUS_VALID) == EFI_GUIDED_SECTION_AUTH_STATUS_VALID) {\r
//\r
// The local status of the new stream is contained in \r
// AuthenticaionStatus. This value needs to be ORed into the\r
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