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authorAshley DeSimone <ashley.e.desimone@intel.com>2013-10-29 17:46:03 +0000
committerashdesimone <ashdesimone@6f19259b-4bc3-4df7-8a09-765794883524>2013-10-29 17:46:03 +0000
commit3f1484f6f7bc3184a7e06fed414ae7eb4ae3ecfe (patch)
treec1e3cfbaa11d448e0ccc04cc6af6a7b7cce1f723 /OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c
parent5b5cd144f3187f4208c6c9430c9752a4c5cdd415 (diff)
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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
Diffstat (limited to 'OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c')
-rw-r--r--OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c b/OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c
new file mode 100644
index 0000000000..c200878d47
--- /dev/null
+++ b/OptionRomPkg/Bus/Usb/FtdiUsbSerialDxe/ComponentName.c
@@ -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)
+ );
+}