OptionRomPkg: Added bus driver for FTDI USB to serial adapters
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ashley DeSimone <ashley.e.desimone@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14817 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
committed by
ashdesimone
parent
5b5cd144f3
commit
3f1484f6f7
224
OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c
Normal file
224
OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c
Normal file
@@ -0,0 +1,224 @@
|
||||
/** @file
|
||||
UEFI Component Name(2) protocol implementation for USB Serial driver.
|
||||
|
||||
Copyright (c) 2004 - 2013, 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 which 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.
|
||||
|
||||
**/
|
||||
|
||||
#include "FtdiUsbSerialDriver.h"
|
||||
|
||||
//
|
||||
// EFI Component Name Protocol
|
||||
//
|
||||
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gUsbSerialComponentName = {
|
||||
(EFI_COMPONENT_NAME_GET_DRIVER_NAME) UsbSerialComponentNameGetDriverName,
|
||||
(EFI_COMPONENT_NAME_GET_CONTROLLER_NAME) UsbSerialComponentNameGetControllerName,
|
||||
"eng"
|
||||
};
|
||||
|
||||
//
|
||||
// EFI Component Name 2 Protocol
|
||||
//
|
||||
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gUsbSerialComponentName2 = {
|
||||
UsbSerialComponentNameGetDriverName,
|
||||
UsbSerialComponentNameGetControllerName,
|
||||
"en"
|
||||
};
|
||||
|
||||
//
|
||||
// Driver name string table
|
||||
//
|
||||
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUsbSerialDriverNameTable[] = {
|
||||
{ "eng;en", L"FTDI-232 USB Serial Driver" },
|
||||
{ NULL , NULL }
|
||||
};
|
||||
|
||||
/**
|
||||
Retrieves a Unicode string that is the user readable name of the driver.
|
||||
|
||||
This function retrieves the user readable name of a driver in the form of a
|
||||
Unicode string. If the driver specified by This has a user readable name in
|
||||
the language specified by Language, then a pointer to the driver name is
|
||||
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
|
||||
by This does not support the language specified by Language,
|
||||
then EFI_UNSUPPORTED is returned.
|
||||
|
||||
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
||||
EFI_COMPONENT_NAME_PROTOCOL instance.
|
||||
@param Language A pointer to a Null-terminated ASCII string
|
||||
array indicating the language. This is the
|
||||
language of the driver name that the caller is
|
||||
requesting, and it must match one of the
|
||||
languages specified in SupportedLanguages. The
|
||||
number of languages supported by a driver is up
|
||||
to the driver writer. Language is specified
|
||||
in RFC 4646 or ISO 639-2 language code format.
|
||||
@param DriverName A pointer to the Unicode string to return.
|
||||
This Unicode string is the name of the
|
||||
driver specified by This in the language
|
||||
specified by Language.
|
||||
|
||||
@retval EFI_SUCCESS The Unicode string for the Driver specified by
|
||||
This and the language specified by Language was
|
||||
returned in DriverName.
|
||||
@retval EFI_INVALID_PARAMETER Language is NULL.
|
||||
@retval EFI_INVALID_PARAMETER DriverName is NULL.
|
||||
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
||||
the language specified by Language.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
UsbSerialComponentNameGetDriverName (
|
||||
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
|
||||
IN CHAR8 *Language,
|
||||
OUT CHAR16 **DriverName
|
||||
)
|
||||
{
|
||||
return LookupUnicodeString2 (
|
||||
Language,
|
||||
This->SupportedLanguages,
|
||||
mUsbSerialDriverNameTable,
|
||||
DriverName,
|
||||
(BOOLEAN)(This == &gUsbSerialComponentName2)
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Retrieves a Unicode string that is the user readable name of the controller
|
||||
that is being managed by a driver.
|
||||
|
||||
This function retrieves the user readable name of the controller specified by
|
||||
ControllerHandle and ChildHandle in the form of a Unicode string. If the
|
||||
driver specified by This has a user readable name in the language specified by
|
||||
Language, then a pointer to the controller name is returned in ControllerName,
|
||||
and EFI_SUCCESS is returned. If the driver specified by This is not currently
|
||||
managing the controller specified by ControllerHandle and ChildHandle,
|
||||
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
|
||||
support the language specified by Language, then EFI_UNSUPPORTED is returned.
|
||||
|
||||
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
||||
EFI_COMPONENT_NAME_PROTOCOL instance.
|
||||
@param ControllerHandle The handle of a controller that the driver
|
||||
specified by This is managing. This handle
|
||||
specifies the controller whose name is to be
|
||||
returned.
|
||||
@param ChildHandle The handle of the child controller to retrieve
|
||||
the name of. This is an optional parameter that
|
||||
may be NULL. It will be NULL for device
|
||||
drivers. It will also be NULL for a bus drivers
|
||||
that wish to retrieve the name of the bus
|
||||
controller. It will not be NULL for a bus
|
||||
driver that wishes to retrieve the name of a
|
||||
child controller.
|
||||
@param Language A pointer to a Null-terminated ASCII string
|
||||
array indicating the language. This is the
|
||||
language of the driver name that the caller is
|
||||
requesting, and it must match one of the
|
||||
languages specified in SupportedLanguages. The
|
||||
number of languages supported by a driver is up
|
||||
to the driver writer. Language is specified in
|
||||
RFC 4646 or ISO 639-2 language code format.
|
||||
@param ControllerName A pointer to the Unicode string to return.
|
||||
This Unicode string is the name of the
|
||||
controller specified by ControllerHandle and
|
||||
ChildHandle in the language specified by
|
||||
Language from the point of view of the driver
|
||||
specified by This.
|
||||
|
||||
@retval EFI_SUCCESS The Unicode string for the user readable name in
|
||||
the language specified by Language for the
|
||||
driver specified by This was returned in
|
||||
DriverName.
|
||||
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
|
||||
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
|
||||
EFI_HANDLE.
|
||||
@retval EFI_INVALID_PARAMETER Language is NULL.
|
||||
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
|
||||
@retval EFI_UNSUPPORTED The driver specified by This is not currently
|
||||
managing the controller specified by
|
||||
ControllerHandle and ChildHandle.
|
||||
@retval EFI_UNSUPPORTED The driver specified by This does not support
|
||||
the language specified by Language.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
UsbSerialComponentNameGetControllerName (
|
||||
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
|
||||
IN EFI_HANDLE ControllerHandle,
|
||||
IN EFI_HANDLE ChildHandle OPTIONAL,
|
||||
IN CHAR8 *Language,
|
||||
OUT CHAR16 **ControllerName
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
USB_SER_DEV *UsbSerDev;
|
||||
EFI_SERIAL_IO_PROTOCOL *SerialIo;
|
||||
EFI_USB_IO_PROTOCOL *UsbIoProtocol;
|
||||
|
||||
//
|
||||
// This is a device driver, so ChildHandle must be NULL.
|
||||
//
|
||||
if (ChildHandle != NULL) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
//
|
||||
// Check Controller's handle
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
ControllerHandle,
|
||||
&gEfiUsbIoProtocolGuid,
|
||||
(VOID **) &UsbIoProtocol,
|
||||
gUsbSerialDriverBinding.DriverBindingHandle,
|
||||
ControllerHandle,
|
||||
EFI_OPEN_PROTOCOL_BY_DRIVER
|
||||
);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
gBS->CloseProtocol (
|
||||
ControllerHandle,
|
||||
&gEfiUsbIoProtocolGuid,
|
||||
gUsbSerialDriverBinding.DriverBindingHandle,
|
||||
ControllerHandle
|
||||
);
|
||||
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
if (Status != EFI_ALREADY_STARTED) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
//
|
||||
// Get the device context
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
ControllerHandle,
|
||||
&gEfiSerialIoProtocolGuid,
|
||||
(VOID **) &SerialIo,
|
||||
gUsbSerialDriverBinding.DriverBindingHandle,
|
||||
ControllerHandle,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
UsbSerDev = USB_SER_DEV_FROM_THIS (SerialIo);
|
||||
|
||||
return LookupUnicodeString2 (
|
||||
Language,
|
||||
This->SupportedLanguages,
|
||||
UsbSerDev->ControllerNameTable,
|
||||
ControllerName,
|
||||
(BOOLEAN)(This == &gUsbSerialComponentName2)
|
||||
);
|
||||
}
|
Reference in New Issue
Block a user