Code scrub for VgaMiniPortDxe.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8608 6f19259b-4bc3-4df7-8a09-765794883524
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xli24
@@ -1,6 +1,7 @@
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/** @file
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Internal include file for VGA Mini Port Driver.
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Copyright (c) 2006 - 2007 Intel Corporation. All rights reserved
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Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@@ -34,6 +35,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <IndustryStandard/Pci22.h>
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@@ -62,9 +64,7 @@ typedef struct {
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// Driver Binding Protocol functions
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//
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/**
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Supported.
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(Standard DriverBinding Protocol Supported() function)
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Check whether VGA Mini Port driver supports this device.
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@param This The driver binding protocol.
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@param Controller The controller handle to check.
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@@ -83,9 +83,10 @@ PciVgaMiniPortDriverBindingSupported (
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);
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/**
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Install VGA Mini Port Protocol onto VGA device handles
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Starts the VGA device with this driver.
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(Standard DriverBinding Protocol Start() function)
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This function consumes PCI I/O Protocol, and installs VGA Mini Port Protocol
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onto the VGA device handle.
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@param This The driver binding instance.
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@param Controller The controller to check.
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@@ -105,9 +106,10 @@ PciVgaMiniPortDriverBindingStart (
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);
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/**
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Stop.
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Stop the VGA device with this driver.
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(Standard DriverBinding Protocol Stop() function)
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This function uninstalls VGA Mini Port Protocol from the VGA device handle,
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and closes PCI I/O Protocol.
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@param This The driver binding protocol.
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@param Controller The controller to release.
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@@ -128,18 +130,136 @@ PciVgaMiniPortDriverBindingStop (
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// EFI Component Name Functions
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//
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param DriverName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PciVgaMiniPortComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param ControllerName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PciVgaMiniPortComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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//
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// VGA Mini Port Protocol functions
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//
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/**
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Thunk function of EFI_VGA_MINI_PORT_SET_MODE.
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Sets the text display mode of a VGA controller.
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@param This Point to instance of EFI_VGA_MINI_PORT_PROTOCOL.
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@param ModeNumber Mode number.
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@retval EFI_UNSUPPORTED Invalid mode number.
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@retval EFI_SUCCESS Success.
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This function implements EFI_VGA_MINI_PORT_PROTOCOL.SetMode().
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If ModeNumber exceeds the valid range, then EFI_UNSUPPORTED is returned.
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Otherwise, EFI_SUCCESS is directly returned without real operation.
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@param This Protocol instance pointer.
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@param ModeNumber Mode number. 0 - 80x25 1-80x50
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@retval EFI_SUCCESS The mode was set
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@retval EFI_UNSUPPORTED ModeNumber is not supported.
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@retval EFI_DEVICE_ERROR The device is not functioning properly.
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**/
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EFI_STATUS
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EFIAPI
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