[mirror_edk2.git] / DuetPkg / IsaAcpiDxe / PcatIsaAcpi.c

/*++\r
\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
\r
Module Name:\r
\r
    PcatIsaAcpi.c\r
    \r
Abstract:\r
\r
    EFI PCAT ISA ACPI Driver for a Generic PC Platform\r
\r
Revision History\r
\r
--*/\r
\r
#include "PcatIsaAcpi.h"\r
\r
//\r
//  PcatIsaAcpi Driver Binding Protocol\r
//\r
EFI_DRIVER_BINDING_PROTOCOL gPcatIsaAcpiDriverBinding = {\r
  PcatIsaAcpiDriverBindingSupported,\r
  PcatIsaAcpiDriverBindingStart,\r
  PcatIsaAcpiDriverBindingStop,\r
  0xa,\r
  NULL,\r
  NULL\r
};\r
\r
EFI_STATUS\r
EFIAPI\r
PcatIsaAcpiDriverEntryPoint (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
/*++\r
  \r
  Routine Description:\r
    the entry point of the PcatIsaAcpi driver\r
  \r
  Arguments:\r
  \r
  Returns:\r
    \r
--*/                \r
{\r
  return EfiLibInstallDriverBindingComponentName2 (\r
           ImageHandle, \r
           SystemTable, \r
           &gPcatIsaAcpiDriverBinding,\r
           ImageHandle,\r
           &gPcatIsaAcpiComponentName,\r
           &gPcatIsaAcpiComponentName2\r
           );\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
PcatIsaAcpiDriverBindingSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  ControllerDriver Protocol Method\r
\r
Arguments:\r
\r
Returns:\r
\r
--*/\r
{\r
  EFI_STATUS           Status;\r
  EFI_PCI_IO_PROTOCOL  *PciIo;\r
  PCI_TYPE00           Pci;\r
\r
  //\r
  // Get PciIo protocol instance\r
  //              \r
  Status = gBS->OpenProtocol (\r
                  Controller,  \r
                  &gEfiPciIoProtocolGuid, \r
                  (VOID**)&PciIo,\r
                  This->DriverBindingHandle,\r
                  Controller,\r
                  EFI_OPEN_PROTOCOL_BY_DRIVER\r
                  );\r
  if (EFI_ERROR(Status)) {\r
    return Status;\r
  }\r
\r
  Status = PciIo->Pci.Read (\r
                    PciIo,\r
                    EfiPciIoWidthUint32,\r
                    0,\r
                    sizeof(Pci) / sizeof(UINT32), \r
                    &Pci);\r
  \r
  if (!EFI_ERROR (Status)) {\r
    Status = EFI_UNSUPPORTED;\r
    if ((Pci.Hdr.Command & 0x03) == 0x03) {\r
      if (Pci.Hdr.ClassCode[2] == PCI_CLASS_BRIDGE) {\r
        //\r
        // See if this is a standard PCI to ISA Bridge from the Base Code and Class Code\r
        //\r
        if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA) {\r
          Status = EFI_SUCCESS;\r
        } \r
\r
        //\r
        // See if this is an Intel PCI to ISA bridge in Positive Decode Mode\r
        //\r
        if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA_PDECODE &&\r
            Pci.Hdr.VendorId == 0x8086 && \r
            Pci.Hdr.DeviceId == 0x7110) {\r
          Status = EFI_SUCCESS;\r
        }\r
      } \r
    }\r
  }\r
\r
  gBS->CloseProtocol (\r
         Controller,       \r
         &gEfiPciIoProtocolGuid, \r
         This->DriverBindingHandle,   \r
         Controller   \r
         );\r
  \r
  return Status;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
PcatIsaAcpiDriverBindingStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath\r
  )\r
/*++\r
\r
Routine Description:\r
  Install EFI_ISA_ACPI_PROTOCOL\r
\r
Arguments:\r
\r
Returns:\r
\r
--*/\r
{\r
  EFI_STATUS           Status;\r
  EFI_PCI_IO_PROTOCOL  *PciIo;\r
  PCAT_ISA_ACPI_DEV    *PcatIsaAcpiDev;\r
    \r
  PcatIsaAcpiDev = NULL;\r
  //\r
  // Open the PCI I/O Protocol Interface\r
  //\r
  PciIo = NULL;\r
  Status = gBS->OpenProtocol (\r
                  Controller,       \r
                  &gEfiPciIoProtocolGuid, \r
                  (VOID**)&PciIo,\r
                  This->DriverBindingHandle,   \r
                  Controller,   \r
                  EFI_OPEN_PROTOCOL_BY_DRIVER \r
                  );\r
  if (EFI_ERROR (Status)) {\r
    goto Done;\r
  }\r
\r
  Status = PciIo->Attributes (\r
                    PciIo, \r
                    EfiPciIoAttributeOperationEnable, \r
                    EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO, \r
                    NULL \r
                    );\r
  if (EFI_ERROR (Status)) {\r
    goto Done;\r
  }\r
  \r
  //\r
  // Allocate memory for the PCAT ISA ACPI Device structure\r
  //\r
  PcatIsaAcpiDev = NULL;\r
  Status = gBS->AllocatePool (\r
                  EfiBootServicesData,\r
                  sizeof(PCAT_ISA_ACPI_DEV),\r
                  (VOID**)&PcatIsaAcpiDev\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    goto Done;\r
  }\r
\r
  //\r
  // Initialize the PCAT ISA ACPI Device structure\r
  //\r
  PcatIsaAcpiDev->Signature = PCAT_ISA_ACPI_DEV_SIGNATURE;\r
  PcatIsaAcpiDev->Handle    = Controller;\r
  PcatIsaAcpiDev->PciIo     = PciIo;\r
  \r
  //\r
  // IsaAcpi interface\r
  //\r
  (PcatIsaAcpiDev->IsaAcpi).DeviceEnumerate  = IsaDeviceEnumerate;\r
  (PcatIsaAcpiDev->IsaAcpi).SetPower         = IsaDeviceSetPower;\r
  (PcatIsaAcpiDev->IsaAcpi).GetCurResource   = IsaGetCurrentResource;\r
  (PcatIsaAcpiDev->IsaAcpi).GetPosResource   = IsaGetPossibleResource;\r
  (PcatIsaAcpiDev->IsaAcpi).SetResource      = IsaSetResource;\r
  (PcatIsaAcpiDev->IsaAcpi).EnableDevice     = IsaEnableDevice;\r
  (PcatIsaAcpiDev->IsaAcpi).InitDevice       = IsaInitDevice;\r
  (PcatIsaAcpiDev->IsaAcpi).InterfaceInit    = IsaInterfaceInit;\r
    \r
  //\r
  // Install the ISA ACPI Protocol interface\r
  //\r
  Status = gBS->InstallMultipleProtocolInterfaces (\r
                  &Controller,\r
                  &gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi,\r
                  NULL\r
                  );\r
\r
Done:\r
  if (EFI_ERROR (Status)) {\r
    if (PciIo) {\r
      PciIo->Attributes (\r
               PciIo, \r
               EfiPciIoAttributeOperationDisable, \r
               EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,\r
               NULL \r
               );\r
    }\r
    gBS->CloseProtocol (\r
           Controller, \r
           &gEfiPciIoProtocolGuid, \r
           This->DriverBindingHandle, \r
           Controller\r
           );\r
    if (PcatIsaAcpiDev != NULL) {\r
      gBS->FreePool (PcatIsaAcpiDev);\r
    }\r
    return Status;\r
  }\r
          \r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
PcatIsaAcpiDriverBindingStop (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN UINTN                        NumberOfChildren,\r
  IN EFI_HANDLE                   *ChildHandleBuffer\r
  )\r
/*++\r
\r
  Routine Description:\r
\r
  Arguments:\r
\r
  Returns:\r
\r
--*/\r
{\r
  EFI_STATUS             Status;\r
  EFI_ISA_ACPI_PROTOCOL  *IsaAcpi;\r
  PCAT_ISA_ACPI_DEV      *PcatIsaAcpiDev;\r
  \r
  //\r
  // Get the ISA ACPI Protocol Interface\r
  // \r
  Status = gBS->OpenProtocol (\r
                  Controller, \r
                  &gEfiIsaAcpiProtocolGuid, \r
                  (VOID**)&IsaAcpi,\r
                  This->DriverBindingHandle,   \r
                  Controller,   \r
                  EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  //\r
  // Get the PCAT ISA ACPI Device structure from the ISA ACPI Protocol\r
  //\r
  PcatIsaAcpiDev = PCAT_ISA_ACPI_DEV_FROM_THIS (IsaAcpi);\r
\r
  PcatIsaAcpiDev->PciIo->Attributes (\r
                           PcatIsaAcpiDev->PciIo, \r
                           EfiPciIoAttributeOperationDisable, \r
                           EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,\r
                           NULL \r
                           );\r
 \r
  //\r
  // Uninstall protocol interface: EFI_ISA_ACPI_PROTOCOL\r
  //\r
  Status = gBS->UninstallProtocolInterface (\r
                  Controller,\r
                  &gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  gBS->CloseProtocol (\r
         Controller, \r
         &gEfiPciIoProtocolGuid, \r
         This->DriverBindingHandle, \r
         Controller\r
         );\r
  \r
  gBS->FreePool (PcatIsaAcpiDev);\r
  \r
  return EFI_SUCCESS;\r
}\r
Commit	Line	Data
c69dd9df	1	/*++\r
	2	\r
	3	Copyright (c) 2006, Intel Corporation \r
	4	All rights reserved. This program and the accompanying materials \r
	5	are licensed and made available under the terms and conditions of the BSD License \r
	6	which accompanies this distribution. The full text of the license may be found at \r
	7	http://opensource.org/licenses/bsd-license.php \r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	11	\r
	12	\r
	13	Module Name:\r
	14	\r
	15	PcatIsaAcpi.c\r
	16	\r
	17	Abstract:\r
	18	\r
	19	EFI PCAT ISA ACPI Driver for a Generic PC Platform\r
	20	\r
	21	Revision History\r
	22	\r
	23	--*/\r
	24	\r
	25	#include "PcatIsaAcpi.h"\r
	26	\r
	27	//\r
	28	// PcatIsaAcpi Driver Binding Protocol\r
	29	//\r
	30	EFI_DRIVER_BINDING_PROTOCOL gPcatIsaAcpiDriverBinding = {\r
	31	PcatIsaAcpiDriverBindingSupported,\r
	32	PcatIsaAcpiDriverBindingStart,\r
	33	PcatIsaAcpiDriverBindingStop,\r
	34	0xa,\r
	35	NULL,\r
	36	NULL\r
	37	};\r
	38	\r
	39	EFI_STATUS\r
	40	EFIAPI\r
	41	PcatIsaAcpiDriverEntryPoint (\r
	42	IN EFI_HANDLE ImageHandle,\r
	43	IN EFI_SYSTEM_TABLE *SystemTable\r
	44	)\r
	45	/*++\r
	46	\r
	47	Routine Description:\r
	48	the entry point of the PcatIsaAcpi driver\r
	49	\r
	50	Arguments:\r
	51	\r
	52	Returns:\r
	53	\r
	54	--*/ \r
	55	{\r
	56	return EfiLibInstallDriverBindingComponentName2 (\r
	57	ImageHandle, \r
	58	SystemTable, \r
	59	&gPcatIsaAcpiDriverBinding,\r
	60	ImageHandle,\r
	61	&gPcatIsaAcpiComponentName,\r
	62	&gPcatIsaAcpiComponentName2\r
	63	);\r
	64	}\r
65	\r
66	EFI_STATUS\r
67	EFIAPI\r
68	PcatIsaAcpiDriverBindingSupported (\r
69	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
70	IN EFI_HANDLE Controller,\r
71	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
72	)\r
73	/*++\r
74	\r
75	Routine Description:\r
76	\r
77	ControllerDriver Protocol Method\r
78	\r
79	Arguments:\r
80	\r
81	Returns:\r
82	\r
83	--*/\r
84	{\r
85	EFI_STATUS Status;\r
86	EFI_PCI_IO_PROTOCOL *PciIo;\r
87	PCI_TYPE00 Pci;\r
88	\r
89	//\r
90	// Get PciIo protocol instance\r
91	// \r
92	Status = gBS->OpenProtocol (\r
93	Controller, \r
94	&gEfiPciIoProtocolGuid, \r
9c83c97a	95	(VOID**)&PciIo,\r
c69dd9df	96	This->DriverBindingHandle,\r
	97	Controller,\r
	98	EFI_OPEN_PROTOCOL_BY_DRIVER\r
	99	);\r
	100	if (EFI_ERROR(Status)) {\r
	101	return Status;\r
	102	}\r
	103	\r
	104	Status = PciIo->Pci.Read (\r
	105	PciIo,\r
	106	EfiPciIoWidthUint32,\r
	107	0,\r
	108	sizeof(Pci) / sizeof(UINT32), \r
	109	&Pci);\r
	110	\r
	111	if (!EFI_ERROR (Status)) {\r
	112	Status = EFI_UNSUPPORTED;\r
	113	if ((Pci.Hdr.Command & 0x03) == 0x03) {\r
	114	if (Pci.Hdr.ClassCode[2] == PCI_CLASS_BRIDGE) {\r
	115	//\r
	116	// See if this is a standard PCI to ISA Bridge from the Base Code and Class Code\r
	117	//\r
bc14bdb3	118	if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA) {\r
c69dd9df	119	Status = EFI_SUCCESS;\r
	120	} \r
	121	\r
	122	//\r
	123	// See if this is an Intel PCI to ISA bridge in Positive Decode Mode\r
	124	//\r
bc14bdb3	125	if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA_PDECODE &&\r
c69dd9df	126	Pci.Hdr.VendorId == 0x8086 && \r
	127	Pci.Hdr.DeviceId == 0x7110) {\r
	128	Status = EFI_SUCCESS;\r
	129	}\r
	130	} \r
	131	}\r
	132	}\r
	133	\r
	134	gBS->CloseProtocol (\r
	135	Controller, \r
	136	&gEfiPciIoProtocolGuid, \r
	137	This->DriverBindingHandle, \r
	138	Controller \r
	139	);\r
	140	\r
	141	return Status;\r
	142	}\r
	143	\r
	144	EFI_STATUS\r
	145	EFIAPI\r
	146	PcatIsaAcpiDriverBindingStart (\r
	147	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	148	IN EFI_HANDLE Controller,\r
	149	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	150	)\r
	151	/*++\r
	152	\r
	153	Routine Description:\r
	154	Install EFI_ISA_ACPI_PROTOCOL\r
	155	\r
	156	Arguments:\r
	157	\r
	158	Returns:\r
	159	\r
	160	--*/\r
	161	{\r
	162	EFI_STATUS Status;\r
	163	EFI_PCI_IO_PROTOCOL *PciIo;\r
	164	PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;\r
	165	\r
	166	PcatIsaAcpiDev = NULL;\r
	167	//\r
	168	// Open the PCI I/O Protocol Interface\r
	169	//\r
	170	PciIo = NULL;\r
	171	Status = gBS->OpenProtocol (\r
	172	Controller, \r
	173	&gEfiPciIoProtocolGuid, \r
9c83c97a	174	(VOID**)&PciIo,\r
c69dd9df	175	This->DriverBindingHandle, \r
	176	Controller, \r
	177	EFI_OPEN_PROTOCOL_BY_DRIVER \r
	178	);\r
	179	if (EFI_ERROR (Status)) {\r
	180	goto Done;\r
	181	}\r
	182	\r
	183	Status = PciIo->Attributes (\r
	184	PciIo, \r
	185	EfiPciIoAttributeOperationEnable, \r
	186	EFI_PCI_DEVICE_ENABLE \| EFI_PCI_IO_ATTRIBUTE_ISA_IO \| EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO, \r
	187	NULL \r
	188	);\r
	189	if (EFI_ERROR (Status)) {\r
	190	goto Done;\r
	191	}\r
	192	\r
	193	//\r
	194	// Allocate memory for the PCAT ISA ACPI Device structure\r
	195	//\r
	196	PcatIsaAcpiDev = NULL;\r
	197	Status = gBS->AllocatePool (\r
	198	EfiBootServicesData,\r
	199	sizeof(PCAT_ISA_ACPI_DEV),\r
9c83c97a	200	(VOID**)&PcatIsaAcpiDev\r
c69dd9df	201	);\r
	202	if (EFI_ERROR (Status)) {\r
	203	goto Done;\r
	204	}\r
	205	\r
	206	//\r
	207	// Initialize the PCAT ISA ACPI Device structure\r
	208	//\r
	209	PcatIsaAcpiDev->Signature = PCAT_ISA_ACPI_DEV_SIGNATURE;\r
	210	PcatIsaAcpiDev->Handle = Controller;\r
	211	PcatIsaAcpiDev->PciIo = PciIo;\r
	212	\r
	213	//\r
	214	// IsaAcpi interface\r
	215	//\r
	216	(PcatIsaAcpiDev->IsaAcpi).DeviceEnumerate = IsaDeviceEnumerate;\r
	217	(PcatIsaAcpiDev->IsaAcpi).SetPower = IsaDeviceSetPower;\r
	218	(PcatIsaAcpiDev->IsaAcpi).GetCurResource = IsaGetCurrentResource;\r
	219	(PcatIsaAcpiDev->IsaAcpi).GetPosResource = IsaGetPossibleResource;\r
	220	(PcatIsaAcpiDev->IsaAcpi).SetResource = IsaSetResource;\r
	221	(PcatIsaAcpiDev->IsaAcpi).EnableDevice = IsaEnableDevice;\r
	222	(PcatIsaAcpiDev->IsaAcpi).InitDevice = IsaInitDevice;\r
	223	(PcatIsaAcpiDev->IsaAcpi).InterfaceInit = IsaInterfaceInit;\r
	224	\r
	225	//\r
	226	// Install the ISA ACPI Protocol interface\r
	227	//\r
	228	Status = gBS->InstallMultipleProtocolInterfaces (\r
	229	&Controller,\r
	230	&gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi,\r
	231	NULL\r
	232	);\r
	233	\r
	234	Done:\r
	235	if (EFI_ERROR (Status)) {\r
	236	if (PciIo) {\r
	237	PciIo->Attributes (\r
	238	PciIo, \r
	239	EfiPciIoAttributeOperationDisable, \r
	240	EFI_PCI_DEVICE_ENABLE \| EFI_PCI_IO_ATTRIBUTE_ISA_IO \| EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,\r
	241	NULL \r
	242	);\r
	243	}\r
	244	gBS->CloseProtocol (\r
	245	Controller, \r
	246	&gEfiPciIoProtocolGuid, \r
	247	This->DriverBindingHandle, \r
	248	Controller\r
	249	);\r
	250	if (PcatIsaAcpiDev != NULL) {\r
	251	gBS->FreePool (PcatIsaAcpiDev);\r
	252	}\r
	253	return Status;\r
	254	}\r
	255	\r
	256	return EFI_SUCCESS;\r
	257	}\r
	258	\r
	259	EFI_STATUS\r
	260	EFIAPI\r
	261	PcatIsaAcpiDriverBindingStop (\r
	262	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	263	IN EFI_HANDLE Controller,\r
	264	IN UINTN NumberOfChildren,\r
265	IN EFI_HANDLE *ChildHandleBuffer\r
266	)\r
267	/*++\r
268	\r
269	Routine Description:\r
270	\r
271	Arguments:\r
272	\r
273	Returns:\r
274	\r
275	--*/\r
276	{\r
277	EFI_STATUS Status;\r
278	EFI_ISA_ACPI_PROTOCOL *IsaAcpi;\r
279	PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;\r
280	\r
281	//\r
282	// Get the ISA ACPI Protocol Interface\r
283	// \r
284	Status = gBS->OpenProtocol (\r
285	Controller, \r
286	&gEfiIsaAcpiProtocolGuid, \r
9c83c97a	287	(VOID**)&IsaAcpi,\r
c69dd9df	288	This->DriverBindingHandle, \r
	289	Controller, \r
	290	EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
	291	);\r
	292	if (EFI_ERROR (Status)) {\r
	293	return Status;\r
	294	}\r
	295	\r
	296	//\r
	297	// Get the PCAT ISA ACPI Device structure from the ISA ACPI Protocol\r
	298	//\r
	299	PcatIsaAcpiDev = PCAT_ISA_ACPI_DEV_FROM_THIS (IsaAcpi);\r
	300	\r
	301	PcatIsaAcpiDev->PciIo->Attributes (\r
	302	PcatIsaAcpiDev->PciIo, \r
	303	EfiPciIoAttributeOperationDisable, \r
	304	EFI_PCI_DEVICE_ENABLE \| EFI_PCI_IO_ATTRIBUTE_ISA_IO \| EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,\r
	305	NULL \r
	306	);\r
	307	\r
	308	//\r
	309	// Uninstall protocol interface: EFI_ISA_ACPI_PROTOCOL\r
	310	//\r
	311	Status = gBS->UninstallProtocolInterface (\r
	312	Controller,\r
	313	&gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi\r
	314	);\r
	315	if (EFI_ERROR (Status)) {\r
	316	return Status;\r
	317	}\r
	318	\r
	319	gBS->CloseProtocol (\r
	320	Controller, \r
	321	&gEfiPciIoProtocolGuid, \r
	322	This->DriverBindingHandle, \r
	323	Controller\r
	324	);\r
	325	\r
	326	gBS->FreePool (PcatIsaAcpiDev);\r
	327	\r
	328	return EFI_SUCCESS;\r
	329	}\r