diff options
| author | Ruiyu Ni <ruiyu.ni@intel.com> | 2015-05-26 03:25:19 +0000 |
|---|---|---|
| committer | niruiyu <niruiyu@Edk2> | 2015-05-26 03:25:19 +0000 |
| commit | 80aea151510233d4f76ad9c05421a5caf082b909 (patch) | |
| tree | 073c245a15e3e761be3be86c90fc8f8c94e8b238 /MdeModulePkg/Bus/Isa | |
| parent | 9a8eb9a2ae5685a08daa3224fe698f66c53c0586 (diff) | |
| download | edk2-platforms-80aea151510233d4f76ad9c05421a5caf082b909.tar.xz | |
MdeModulePkg: Move IsaBusDxe driver to MdeModulePkg.
A previous incorrect check-in adds the IsaBusDxe driver to <Root>/Bus directory.
The patch fixes it.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17506 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Isa')
| -rw-r--r-- | MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.c | 180 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.h | 151 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c | 461 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.h | 46 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.inf | 59 |
5 files changed, 897 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.c b/MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.c new file mode 100644 index 0000000000..ff7bbef278 --- /dev/null +++ b/MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.c @@ -0,0 +1,180 @@ +/** @file
+ UEFI Component Name(2) protocol implementation for IsaBusDxe driver.
+
+ 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 "ComponentName.h"
+#include <Library/UefiLib.h>
+
+//
+// Driver name table
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mIsaBusDriverNameTable[] = {
+ { "eng;en", L"PI ISA BUS Driver" },
+ { NULL , NULL }
+};
+
+//
+// EFI Component Name Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gIsaBusComponentName = {
+ IsaBusComponentNameGetDriverName,
+ IsaBusComponentNameGetControllerName,
+ "eng"
+};
+
+//
+// EFI Component Name 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gIsaBusComponentName2 = {
+ (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) IsaBusComponentNameGetDriverName,
+ (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) IsaBusComponentNameGetControllerName,
+ "en"
+};
+
+/**
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] 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[out] 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
+IsaBusComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+{
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mIsaBusDriverNameTable,
+ DriverName,
+ (BOOLEAN)(This == &gIsaBusComponentName)
+ );
+}
+
+
+/**
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] 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[in] 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[in] 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[out] 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 NULL.
+
+ @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
+IsaBusComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+{
+ return EFI_UNSUPPORTED;
+}
diff --git a/MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.h b/MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.h new file mode 100644 index 0000000000..f533971833 --- /dev/null +++ b/MdeModulePkg/Bus/Isa/IsaBusDxe/ComponentName.h @@ -0,0 +1,151 @@ +/** @file
+ UEFI Component Name(2) protocol implementation for IsaBusDxe driver.
+
+ 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.
+
+**/
+
+#ifndef _ISA_BUS_COMPONENT_NAME_H_
+#define _ISA_BUS_COMPONENT_NAME_H_
+
+#include <Uefi.h>
+#include <Protocol/ComponentName.h>
+#include <Protocol/ComponentName2.h>
+
+extern EFI_COMPONENT_NAME_PROTOCOL gIsaBusComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gIsaBusComponentName2;
+
+/**
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] 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[out] 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
+IsaBusComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+
+/**
+ 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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] 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[in] 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[in] 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[out] 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 NULL.
+
+ @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
+IsaBusComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+#endif
diff --git a/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c new file mode 100644 index 0000000000..7067c6e6f0 --- /dev/null +++ b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.c @@ -0,0 +1,461 @@ +/** @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;
+}
diff --git a/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.h b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.h new file mode 100644 index 0000000000..86f6f56a61 --- /dev/null +++ b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.h @@ -0,0 +1,46 @@ +/** @file
+ Header file for the ISA BUS driver.
+
+ 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.
+
+
+**/
+
+#ifndef _ISA_BUS_H_
+#define _ISA_BUS_H_
+
+#include <Uefi.h>
+#include <Protocol/IsaHc.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/ServiceBinding.h>
+
+typedef struct {
+ UINT32 Signature;
+ EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
+ EFI_ISA_HC_PROTOCOL *IsaHc; ///< ISA HC protocol produced by the ISA Host Controller driver
+ EFI_HANDLE IsaHcHandle; ///< ISA HC handle created by the ISA Host Controller driver
+} ISA_BUS_PRIVATE_DATA;
+#define ISA_BUS_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('_', 'i', 's', 'b')
+#define ISA_BUS_PRIVATE_DATA_FROM_THIS(a) CR (a, ISA_BUS_PRIVATE_DATA, ServiceBinding, ISA_BUS_PRIVATE_DATA_SIGNATURE)
+
+typedef struct {
+ UINT32 Signature;
+ BOOLEAN InDestroying; ///< Flag to avoid DestroyChild() re-entry.
+} ISA_BUS_CHILD_PRIVATE_DATA;
+#define ISA_BUS_CHILD_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('_', 'i', 's', 'c')
+
+extern EFI_DRIVER_BINDING_PROTOCOL gIsaBusDriverBinding;
+
+#endif
diff --git a/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.inf b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.inf new file mode 100644 index 0000000000..df3428b38c --- /dev/null +++ b/MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.inf @@ -0,0 +1,59 @@ +## @file
+# ISA Bus driver to manage the child devices attached to the ISA Host Controller.
+#
+# This driver follows UEFI driver model and layers on ISA HC protocol defined
+# in PI spec 1.2.1. It 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = IsaBusDxe
+ FILE_GUID = DCBE6D66-D928-4138-8041-358F35CBCF80
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = InitializeIsaBus
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+# DRIVER_BINDING = gIsaBusDriverBinding
+# COMPONENT_NAME = gIsaBusComponentName
+# COMPONENT_NAME2 = gIsaBusComponentName2
+#
+
+[Sources]
+ IsaBusDxe.h
+ IsaBusDxe.c
+ ComponentName.h
+ ComponentName.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ UefiDriverEntryPoint
+ UefiBootServicesTableLib
+ BaseLib
+ BaseMemoryLib
+ MemoryAllocationLib
+ UefiLib
+ DebugLib
+
+[Protocols]
+ gEfiIsaHcProtocolGuid
+ gEfiIsaHcServiceBindingProtocolGuid
|