diff options
Diffstat (limited to 'MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c')
| -rw-r--r-- | MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c | 461 |
1 files changed, 0 insertions, 461 deletions
diff --git a/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c deleted file mode 100644 index 7067c6e6f0..0000000000 --- a/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c +++ /dev/null @@ -1,461 +0,0 @@ -/** @file
- This file consumes the ISA Host Controller protocol produced by the ISA Host
- Controller and installs the ISA Host Controller Service Binding protocol
- on the ISA Host Controller's handle.
-
- Copyright (c) 2015, 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 "IsaBusDxe.h"
-#include "ComponentName.h"
-
-/**
- Tests to see if this driver supports a given controller. If a child device is provided,
- it further tests to see if this driver supports creating a handle for the specified child device.
-
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param[in] ControllerHandle The handle of the controller to test. This handle
- must support a protocol interface that supplies
- an I/O abstraction to the driver.
- @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
- parameter is ignored by device drivers, and is optional for bus
- drivers. For bus drivers, if this parameter is not NULL, then
- the bus driver must determine if the bus controller specified
- by ControllerHandle and the child controller specified
- by RemainingDevicePath are both supported by this
- bus driver.
-
- @retval EFI_SUCCESS The device specified by ControllerHandle and
- RemainingDevicePath is supported by the driver specified by This.
- @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
- RemainingDevicePath is already being managed by the driver
- specified by This.
- @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
- RemainingDevicePath is already being managed by a different
- driver or an application that requires exclusive access.
- Currently not implemented.
- @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
- RemainingDevicePath is not supported by the driver specified by This.
-**/
-EFI_STATUS
-EFIAPI
-IsaBusDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- VOID *Instance;
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiIsaHcProtocolGuid,
- &Instance,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (!EFI_ERROR (Status)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiIsaHcProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- &Instance,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (!EFI_ERROR (Status)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- }
-
- return Status;
-}
-
-ISA_BUS_CHILD_PRIVATE_DATA mIsaBusChildPrivateTemplate = {
- ISA_BUS_CHILD_PRIVATE_DATA_SIGNATURE,
- FALSE
-};
-
-/**
- Creates a child handle and installs a protocol.
-
- The CreateChild() function installs a protocol on ChildHandle.
- If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
- If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
-
- @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
- @param ChildHandle Pointer to the handle of the child to create. If it is NULL,
- then a new handle is created. If it is a pointer to an existing UEFI handle,
- then the protocol is added to the existing UEFI handle.
-
- @retval EFI_SUCCES The protocol was added to ChildHandle.
- @retval EFI_INVALID_PARAMETER ChildHandle is NULL.
- @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create
- the child
- @retval other The child handle was not created
-
-**/
-EFI_STATUS
-EFIAPI
-IsaBusCreateChild (
- IN EFI_SERVICE_BINDING_PROTOCOL *This,
- IN OUT EFI_HANDLE *ChildHandle
- )
-{
- EFI_STATUS Status;
- ISA_BUS_PRIVATE_DATA *Private;
- EFI_ISA_HC_PROTOCOL *IsaHc;
- ISA_BUS_CHILD_PRIVATE_DATA *Child;
-
- Private = ISA_BUS_PRIVATE_DATA_FROM_THIS (This);
-
- Child = AllocateCopyPool (sizeof (mIsaBusChildPrivateTemplate), &mIsaBusChildPrivateTemplate);
- if (Child == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- ChildHandle,
- &gEfiIsaHcProtocolGuid, Private->IsaHc,
- &gEfiCallerIdGuid, Child,
- NULL
- );
- if (EFI_ERROR (Status)) {
- FreePool (Child);
- return Status;
- }
-
- return gBS->OpenProtocol (
- Private->IsaHcHandle,
- &gEfiIsaHcProtocolGuid,
- (VOID **) &IsaHc,
- gIsaBusDriverBinding.DriverBindingHandle,
- *ChildHandle,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
-}
-
-/**
- Destroys a child handle with a protocol installed on it.
-
- The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
- that was installed by CreateChild() from ChildHandle. If the removed protocol is the
- last protocol on ChildHandle, then ChildHandle is destroyed.
-
- @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
- @param ChildHandle Handle of the child to destroy
-
- @retval EFI_SUCCES The protocol was removed from ChildHandle.
- @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
- @retval EFI_INVALID_PARAMETER Child handle is NULL.
- @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
- because its services are being used.
- @retval other The child handle was not destroyed
-
-**/
-EFI_STATUS
-EFIAPI
-IsaBusDestroyChild (
- IN EFI_SERVICE_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ChildHandle
- )
-{
- EFI_STATUS Status;
- ISA_BUS_PRIVATE_DATA *Private;
- EFI_ISA_HC_PROTOCOL *IsaHc;
- ISA_BUS_CHILD_PRIVATE_DATA *Child;
-
- Private = ISA_BUS_PRIVATE_DATA_FROM_THIS (This);
-
- Status = gBS->OpenProtocol (
- ChildHandle,
- &gEfiCallerIdGuid,
- (VOID **) &Child,
- gIsaBusDriverBinding.DriverBindingHandle,
- ChildHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- ASSERT (Child->Signature == ISA_BUS_CHILD_PRIVATE_DATA_SIGNATURE);
-
- if (Child->InDestroying) {
- return EFI_SUCCESS;
- }
-
- Child->InDestroying = TRUE;
- Status = gBS->CloseProtocol (
- Private->IsaHcHandle,
- &gEfiIsaHcProtocolGuid,
- gIsaBusDriverBinding.DriverBindingHandle,
- ChildHandle
- );
- ASSERT_EFI_ERROR (Status);
- if (!EFI_ERROR (Status)) {
- Status = gBS->UninstallMultipleProtocolInterfaces (
- ChildHandle,
- &gEfiIsaHcProtocolGuid, Private->IsaHc,
- &gEfiCallerIdGuid, Child,
- NULL
- );
- if (EFI_ERROR (Status)) {
- gBS->OpenProtocol (
- Private->IsaHcHandle,
- &gEfiIsaHcProtocolGuid,
- (VOID **) &IsaHc,
- gIsaBusDriverBinding.DriverBindingHandle,
- ChildHandle,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
- }
- }
-
- if (EFI_ERROR (Status)) {
- Child->InDestroying = FALSE;
- } else {
- FreePool (Child);
- }
-
- return Status;
-}
-
-ISA_BUS_PRIVATE_DATA mIsaBusPrivateTemplate = {
- ISA_BUS_PRIVATE_DATA_SIGNATURE,
- {
- IsaBusCreateChild,
- IsaBusDestroyChild
- }
-};
-
-/**
- Starts a device controller or a bus controller.
-
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param[in] ControllerHandle The handle of the controller to start. This handle
- must support a protocol interface that supplies
- an I/O abstraction to the driver.
- @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
- parameter is ignored by device drivers, and is optional for bus
- drivers. For a bus driver, if this parameter is NULL, then handles
- for all the children of Controller are created by this driver.
- If this parameter is not NULL and the first Device Path Node is
- not the End of Device Path Node, then only the handle for the
- child device specified by the first Device Path Node of
- RemainingDevicePath is created by this driver.
- If the first Device Path Node of RemainingDevicePath is
- the End of Device Path Node, no child handle is created by this
- driver.
-
- @retval EFI_SUCCESS The device was started.
- @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
- @retval Others The driver failded to start the device.
-
-**/
-EFI_STATUS
-EFIAPI
-IsaBusDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- ISA_BUS_PRIVATE_DATA *Private;
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiIsaHcProtocolGuid,
- (VOID **) &mIsaBusPrivateTemplate.IsaHc,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &DevicePath,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiIsaHcProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- return Status;
- }
-
- Private = AllocateCopyPool (sizeof (mIsaBusPrivateTemplate), &mIsaBusPrivateTemplate);
- ASSERT (Private != NULL);
-
- Private->IsaHcHandle = Controller;
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Controller,
- &gEfiIsaHcServiceBindingProtocolGuid, &Private->ServiceBinding,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
-
-/**
- Stops a device controller or a bus controller.
-
- @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param[in] ControllerHandle A handle to the device being stopped. The handle must
- support a bus specific I/O protocol for the driver
- to use to stop the device.
- @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
- @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
- if NumberOfChildren is 0.
-
- @retval EFI_SUCCESS The device was stopped.
- @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
-
-**/
-EFI_STATUS
-EFIAPI
-IsaBusDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status;
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
- ISA_BUS_PRIVATE_DATA *Private;
- UINTN Index;
- BOOLEAN AllChildrenStopped;
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiIsaHcServiceBindingProtocolGuid,
- (VOID **) &ServiceBinding,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Private = ISA_BUS_PRIVATE_DATA_FROM_THIS (ServiceBinding);
-
- if (NumberOfChildren == 0) {
- Status = gBS->UninstallMultipleProtocolInterfaces (
- Controller,
- &gEfiIsaHcServiceBindingProtocolGuid, &Private->ServiceBinding,
- NULL
- );
- if (!EFI_ERROR (Status)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- gBS->CloseProtocol (
- Controller,
- &gEfiIsaHcProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- FreePool (Private);
- }
-
- return Status;
- }
-
- AllChildrenStopped = TRUE;
- for (Index = 0; Index < NumberOfChildren; Index++) {
- Status = ServiceBinding->DestroyChild (ServiceBinding, ChildHandleBuffer[Index]);
- if (EFI_ERROR (Status)) {
- AllChildrenStopped = FALSE;
- }
- }
-
- return AllChildrenStopped ? EFI_SUCCESS : EFI_DEVICE_ERROR;
-}
-
-//
-// ISA Bus Driver Binding Protocol Instance
-//
-EFI_DRIVER_BINDING_PROTOCOL gIsaBusDriverBinding = {
- IsaBusDriverBindingSupported,
- IsaBusDriverBindingStart,
- IsaBusDriverBindingStop,
- 0x10,
- NULL,
- NULL
-};
-
-/**
- Entry point of the IsaBusDxe driver.
-
- @param[in] ImageHandle The firmware allocated handle for the EFI image.
- @param[in] SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The entry point is executed successfully.
- @retval other Some error occurs when executing this entry point.
-**/
-EFI_STATUS
-EFIAPI
-InitializeIsaBus (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gIsaBusDriverBinding,
- ImageHandle,
- &gIsaBusComponentName,
- &gIsaBusComponentName2
- );
- ASSERT_EFI_ERROR (Status);
- return Status;
-}
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