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

/** @file\r
  EFI PCAT ISA ACPI Driver for a Generic PC Platform\r
\r
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\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
/**\r
  the entry point of the PcatIsaAcpi driver.\r
\r
  @param ImageHandle     Handle for driver image\r
  @param SystemTable     Point to EFI_SYSTEM_TABLE\r
\r
  @return Success or not for installing driver binding protocol\r
**/\r
EFI_STATUS\r
EFIAPI\r
PcatIsaAcpiDriverEntryPoint (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  return EfiLibInstallDriverBindingComponentName2 (\r
           ImageHandle,\r
           SystemTable,\r
           &gPcatIsaAcpiDriverBinding,\r
           ImageHandle,\r
           &gPcatIsaAcpiComponentName,\r
           &gPcatIsaAcpiComponentName2\r
           );\r
}\r
\r
/**\r
  ControllerDriver Protocol Method\r
\r
  @param This                 Driver Binding protocol instance pointer.\r
  @param Controller           Handle of device to test.\r
  @param RemainingDevicePath  Optional parameter use to pick a specific child\r
                              device to start.\r
  @retval EFI_SUCCESS         This driver supports this device.\r
  @retval other               This driver does not support this device.\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
  EFI_STATUS           Status;\r
  EFI_PCI_IO_PROTOCOL  *PciIo;\r
  PCI_TYPE00           Pci;\r
  UINTN                SegmentNumber;\r
  UINTN                BusNumber;\r
  UINTN                DeviceNumber;\r
  UINTN                FunctionNumber;\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
          //\r
          // See if this is on Function #0 to avoid false positives on\r
          // PCI_CLASS_BRIDGE_OTHER that has the same value as\r
          // PCI_CLASS_BRIDGE_ISA_PDECODE\r
          //\r
          Status = PciIo->GetLocation (\r
                            PciIo,\r
                            &SegmentNumber,\r
                            &BusNumber,\r
                            &DeviceNumber,\r
                            &FunctionNumber\r
                            );\r
          if (!EFI_ERROR (Status) && FunctionNumber == 0) {\r
            Status = EFI_SUCCESS;\r
          } else {\r
            Status = EFI_UNSUPPORTED;\r
          }\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
/**\r
  Install EFI_ISA_ACPI_PROTOCOL.\r
\r
  @param  This                 Driver Binding protocol instance pointer.\r
  @param  ControllerHandle     Handle of device to bind driver to.\r
  @param  RemainingDevicePath  Optional parameter use to pick a specific child\r
                               device to start.\r
\r
  @retval EFI_SUCCESS          This driver is added to ControllerHandle\r
  @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle\r
  @retval other                This driver does not support this device\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
  EFI_STATUS           Status;\r
  EFI_PCI_IO_PROTOCOL  *PciIo;\r
  PCAT_ISA_ACPI_DEV    *PcatIsaAcpiDev;\r
  UINT64               Supports;\r
  UINT64               OriginalAttributes;\r
  BOOLEAN              Enabled;\r
\r
  Enabled = FALSE;\r
  Supports = 0;\r
  PcatIsaAcpiDev = NULL;\r
  OriginalAttributes = 0;\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
  //\r
  // Get supported PCI attributes\r
  //\r
  Status = PciIo->Attributes (\r
                    PciIo,\r
                    EfiPciIoAttributeOperationSupported,\r
                    0,\r
                    &Supports\r
                    );\r
  if (EFI_ERROR (Status)) {\r
    goto Done;\r
  }\r
\r
  Supports &= (UINT64) (EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_IO_16);\r
  if (Supports == 0 || Supports == (EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_IO_16)) {\r
    Status = EFI_UNSUPPORTED;\r
    goto Done;\r
  }\r
\r
  Status = PciIo->Attributes (\r
                    PciIo,\r
                    EfiPciIoAttributeOperationGet,\r
                    0,\r
                    &OriginalAttributes\r
                    );\r
  if (EFI_ERROR (Status)) {\r
    goto Done;\r
  }\r
\r
  Status = PciIo->Attributes (\r
                    PciIo,\r
                    EfiPciIoAttributeOperationEnable,\r
                    EFI_PCI_DEVICE_ENABLE | Supports | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,\r
                    NULL\r
                    );\r
  if (EFI_ERROR (Status)) {\r
    goto Done;\r
  }\r
\r
  Enabled = TRUE;\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
  PcatIsaAcpiDev->OriginalAttributes = OriginalAttributes;\r
\r
  //\r
  // Initialize PcatIsaAcpiDeviceList\r
  //\r
  InitializePcatIsaAcpiDeviceList ();\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 != NULL && Enabled) {\r
      PciIo->Attributes (\r
               PciIo,\r
               EfiPciIoAttributeOperationSet,\r
               OriginalAttributes,\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
\r
/**\r
  Stop this driver on ControllerHandle. Support stopping any child handles\r
  created by this driver.\r
\r
  @param  This              Protocol instance pointer.\r
  @param  ControllerHandle  Handle of device to stop driver on\r
  @param  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of\r
                            children is zero stop the entire bus driver.\r
  @param  ChildHandleBuffer List of Child Handles to Stop.\r
\r
  @retval EFI_SUCCESS       This driver is removed ControllerHandle\r
  @retval other             This driver was not removed from this device\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
  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
  //\r
  // Restore PCI attributes\r
  //\r
  Status = PcatIsaAcpiDev->PciIo->Attributes (\r
                                    PcatIsaAcpiDev->PciIo,\r
                                    EfiPciIoAttributeOperationSet,\r
                                    PcatIsaAcpiDev->OriginalAttributes,\r
                                    NULL\r
                                    );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\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
c860b463	1	/** @file\r
c860b463	2	EFI PCAT ISA ACPI Driver for a Generic PC Platform\r
c69dd9df	3	\r
5a702acd	4	Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
e1d302e5	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
c69dd9df	6	\r
c860b463	7	**/\r
c69dd9df	8	\r
	9	#include "PcatIsaAcpi.h"\r
	10	\r
	11	//\r
	12	// PcatIsaAcpi Driver Binding Protocol\r
	13	//\r
	14	EFI_DRIVER_BINDING_PROTOCOL gPcatIsaAcpiDriverBinding = {\r
	15	PcatIsaAcpiDriverBindingSupported,\r
	16	PcatIsaAcpiDriverBindingStart,\r
	17	PcatIsaAcpiDriverBindingStop,\r
	18	0xa,\r
	19	NULL,\r
	20	NULL\r
	21	};\r
	22	\r
18c97f53	23	/**\r
	24	the entry point of the PcatIsaAcpi driver.\r
	25	\r
	26	@param ImageHandle Handle for driver image\r
	27	@param SystemTable Point to EFI_SYSTEM_TABLE\r
	28	\r
619ad10f	29	@return Success or not for installing driver binding protocol\r
18c97f53	30	**/\r
c69dd9df	31	EFI_STATUS\r
	32	EFIAPI\r
	33	PcatIsaAcpiDriverEntryPoint (\r
	34	IN EFI_HANDLE ImageHandle,\r
	35	IN EFI_SYSTEM_TABLE *SystemTable\r
	36	)\r
c69dd9df	37	{\r
c69dd9df	38	return EfiLibInstallDriverBindingComponentName2 (\r
5a702acd LG	39	ImageHandle,\r
5a702acd LG	40	SystemTable,\r
c69dd9df	41	&gPcatIsaAcpiDriverBinding,\r
	42	ImageHandle,\r
	43	&gPcatIsaAcpiComponentName,\r
	44	&gPcatIsaAcpiComponentName2\r
	45	);\r
	46	}\r
	47	\r
18c97f53	48	/**\r
	49	ControllerDriver Protocol Method\r
	50	\r
5a702acd	51	@param This Driver Binding protocol instance pointer.\r
18c97f53	52	@param Controller Handle of device to test.\r
	53	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	54	device to start.\r
	55	@retval EFI_SUCCESS This driver supports this device.\r
	56	@retval other This driver does not support this device.\r
	57	\r
	58	**/\r
c69dd9df	59	EFI_STATUS\r
	60	EFIAPI\r
	61	PcatIsaAcpiDriverBindingSupported (\r
	62	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	63	IN EFI_HANDLE Controller,\r
	64	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	65	)\r
c69dd9df	66	{\r
	67	EFI_STATUS Status;\r
	68	EFI_PCI_IO_PROTOCOL *PciIo;\r
	69	PCI_TYPE00 Pci;\r
755e4d11	70	UINTN SegmentNumber;\r
	71	UINTN BusNumber;\r
	72	UINTN DeviceNumber;\r
	73	UINTN FunctionNumber;\r
c69dd9df	74	\r
	75	//\r
	76	// Get PciIo protocol instance\r
5a702acd	77	//\r
c69dd9df	78	Status = gBS->OpenProtocol (\r
5a702acd LG	79	Controller,\r
5a702acd LG	80	&gEfiPciIoProtocolGuid,\r
9c83c97a	81	(VOID**)&PciIo,\r
c69dd9df	82	This->DriverBindingHandle,\r
	83	Controller,\r
	84	EFI_OPEN_PROTOCOL_BY_DRIVER\r
	85	);\r
	86	if (EFI_ERROR(Status)) {\r
	87	return Status;\r
	88	}\r
	89	\r
	90	Status = PciIo->Pci.Read (\r
	91	PciIo,\r
	92	EfiPciIoWidthUint32,\r
	93	0,\r
5a702acd	94	sizeof(Pci) / sizeof(UINT32),\r
c69dd9df	95	&Pci);\r
c860b463	96	\r
c69dd9df	97	if (!EFI_ERROR (Status)) {\r
	98	Status = EFI_UNSUPPORTED;\r
	99	if ((Pci.Hdr.Command & 0x03) == 0x03) {\r
	100	if (Pci.Hdr.ClassCode[2] == PCI_CLASS_BRIDGE) {\r
	101	//\r
	102	// See if this is a standard PCI to ISA Bridge from the Base Code and Class Code\r
	103	//\r
bc14bdb3	104	if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA) {\r
c69dd9df	105	Status = EFI_SUCCESS;\r
5a702acd	106	}\r
c69dd9df	107	\r
	108	//\r
	109	// See if this is an Intel PCI to ISA bridge in Positive Decode Mode\r
	110	//\r
5a702acd	111	if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA_PDECODE &&\r
755e4d11	112	Pci.Hdr.VendorId == 0x8086 ) {\r
755e4d11	113	//\r
5a702acd LG	114	// See if this is on Function #0 to avoid false positives on\r
5a702acd LG	115	// PCI_CLASS_BRIDGE_OTHER that has the same value as\r
755e4d11	116	// PCI_CLASS_BRIDGE_ISA_PDECODE\r
	117	//\r
	118	Status = PciIo->GetLocation (\r
5a702acd LG	119	PciIo,\r
	120	&SegmentNumber,\r
	121	&BusNumber,\r
	122	&DeviceNumber,\r
755e4d11	123	&FunctionNumber\r
	124	);\r
	125	if (!EFI_ERROR (Status) && FunctionNumber == 0) {\r
	126	Status = EFI_SUCCESS;\r
	127	} else {\r
	128	Status = EFI_UNSUPPORTED;\r
	129	}\r
c69dd9df	130	}\r
5a702acd	131	}\r
c69dd9df	132	}\r
	133	}\r
	134	\r
	135	gBS->CloseProtocol (\r
5a702acd LG	136	Controller,\r
	137	&gEfiPciIoProtocolGuid,\r
	138	This->DriverBindingHandle,\r
	139	Controller\r
c69dd9df	140	);\r
5a702acd	141	\r
c69dd9df	142	return Status;\r
	143	}\r
	144	\r
18c97f53	145	/**\r
	146	Install EFI_ISA_ACPI_PROTOCOL.\r
	147	\r
	148	@param This Driver Binding protocol instance pointer.\r
	149	@param ControllerHandle Handle of device to bind driver to.\r
	150	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	151	device to start.\r
	152	\r
	153	@retval EFI_SUCCESS This driver is added to ControllerHandle\r
	154	@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
	155	@retval other This driver does not support this device\r
	156	**/\r
c69dd9df	157	EFI_STATUS\r
	158	EFIAPI\r
	159	PcatIsaAcpiDriverBindingStart (\r
	160	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	161	IN EFI_HANDLE Controller,\r
	162	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	163	)\r
c69dd9df	164	{\r
	165	EFI_STATUS Status;\r
	166	EFI_PCI_IO_PROTOCOL *PciIo;\r
	167	PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;\r
e0ee9d93	168	UINT64 Supports;\r
cb68247d	169	UINT64 OriginalAttributes;\r
e0ee9d93	170	BOOLEAN Enabled;\r
	171	\r
	172	Enabled = FALSE;\r
	173	Supports = 0;\r
c69dd9df	174	PcatIsaAcpiDev = NULL;\r
2d3a626e	175	OriginalAttributes = 0;\r
c69dd9df	176	//\r
	177	// Open the PCI I/O Protocol Interface\r
	178	//\r
	179	PciIo = NULL;\r
	180	Status = gBS->OpenProtocol (\r
5a702acd LG	181	Controller,\r
5a702acd LG	182	&gEfiPciIoProtocolGuid,\r
9c83c97a	183	(VOID**)&PciIo,\r
5a702acd LG	184	This->DriverBindingHandle,\r
	185	Controller,\r
	186	EFI_OPEN_PROTOCOL_BY_DRIVER\r
c69dd9df	187	);\r
	188	if (EFI_ERROR (Status)) {\r
	189	goto Done;\r
	190	}\r
	191	\r
e0ee9d93	192	//\r
	193	// Get supported PCI attributes\r
	194	//\r
	195	Status = PciIo->Attributes (\r
	196	PciIo,\r
	197	EfiPciIoAttributeOperationSupported,\r
	198	0,\r
	199	&Supports\r
	200	);\r
	201	if (EFI_ERROR (Status)) {\r
	202	goto Done;\r
	203	}\r
	204	\r
df6bd1b6	205	Supports &= (UINT64) (EFI_PCI_IO_ATTRIBUTE_ISA_IO \| EFI_PCI_IO_ATTRIBUTE_ISA_IO_16);\r
e0ee9d93	206	if (Supports == 0 \|\| Supports == (EFI_PCI_IO_ATTRIBUTE_ISA_IO \| EFI_PCI_IO_ATTRIBUTE_ISA_IO_16)) {\r
	207	Status = EFI_UNSUPPORTED;\r
	208	goto Done;\r
cb68247d RN	209	}\r
	210	\r
	211	Status = PciIo->Attributes (\r
	212	PciIo,\r
	213	EfiPciIoAttributeOperationGet,\r
	214	0,\r
	215	&OriginalAttributes\r
	216	);\r
	217	if (EFI_ERROR (Status)) {\r
	218	goto Done;\r
	219	}\r
e0ee9d93	220	\r
c69dd9df	221	Status = PciIo->Attributes (\r
5a702acd LG	222	PciIo,\r
	223	EfiPciIoAttributeOperationEnable,\r
	224	EFI_PCI_DEVICE_ENABLE \| Supports \| EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,\r
	225	NULL\r
c69dd9df	226	);\r
	227	if (EFI_ERROR (Status)) {\r
	228	goto Done;\r
	229	}\r
cb68247d RN	230	\r
cb68247d RN	231	Enabled = TRUE;\r
c69dd9df	232	//\r
	233	// Allocate memory for the PCAT ISA ACPI Device structure\r
	234	//\r
	235	PcatIsaAcpiDev = NULL;\r
	236	Status = gBS->AllocatePool (\r
	237	EfiBootServicesData,\r
	238	sizeof(PCAT_ISA_ACPI_DEV),\r
9c83c97a	239	(VOID**)&PcatIsaAcpiDev\r
c69dd9df	240	);\r
	241	if (EFI_ERROR (Status)) {\r
	242	goto Done;\r
	243	}\r
	244	\r
	245	//\r
	246	// Initialize the PCAT ISA ACPI Device structure\r
	247	//\r
cb68247d RN	248	PcatIsaAcpiDev->Signature = PCAT_ISA_ACPI_DEV_SIGNATURE;\r
	249	PcatIsaAcpiDev->Handle = Controller;\r
	250	PcatIsaAcpiDev->PciIo = PciIo;\r
	251	PcatIsaAcpiDev->OriginalAttributes = OriginalAttributes;\r
e8bce4b4 RN	252	\r
	253	//\r
	254	// Initialize PcatIsaAcpiDeviceList\r
	255	//\r
	256	InitializePcatIsaAcpiDeviceList ();\r
5a702acd	257	\r
c69dd9df	258	//\r
	259	// IsaAcpi interface\r
	260	//\r
	261	(PcatIsaAcpiDev->IsaAcpi).DeviceEnumerate = IsaDeviceEnumerate;\r
	262	(PcatIsaAcpiDev->IsaAcpi).SetPower = IsaDeviceSetPower;\r
	263	(PcatIsaAcpiDev->IsaAcpi).GetCurResource = IsaGetCurrentResource;\r
	264	(PcatIsaAcpiDev->IsaAcpi).GetPosResource = IsaGetPossibleResource;\r
	265	(PcatIsaAcpiDev->IsaAcpi).SetResource = IsaSetResource;\r
	266	(PcatIsaAcpiDev->IsaAcpi).EnableDevice = IsaEnableDevice;\r
	267	(PcatIsaAcpiDev->IsaAcpi).InitDevice = IsaInitDevice;\r
	268	(PcatIsaAcpiDev->IsaAcpi).InterfaceInit = IsaInterfaceInit;\r
5a702acd	269	\r
c69dd9df	270	//\r
	271	// Install the ISA ACPI Protocol interface\r
	272	//\r
	273	Status = gBS->InstallMultipleProtocolInterfaces (\r
	274	&Controller,\r
	275	&gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi,\r
	276	NULL\r
	277	);\r
	278	\r
	279	Done:\r
	280	if (EFI_ERROR (Status)) {\r
e0ee9d93	281	if (PciIo != NULL && Enabled) {\r
c69dd9df	282	PciIo->Attributes (\r
5a702acd	283	PciIo,\r
cb68247d RN	284	EfiPciIoAttributeOperationSet,\r
cb68247d RN	285	OriginalAttributes,\r
5a702acd	286	NULL\r
c69dd9df	287	);\r
	288	}\r
	289	gBS->CloseProtocol (\r
5a702acd LG	290	Controller,\r
	291	&gEfiPciIoProtocolGuid,\r
	292	This->DriverBindingHandle,\r
c69dd9df	293	Controller\r
	294	);\r
	295	if (PcatIsaAcpiDev != NULL) {\r
	296	gBS->FreePool (PcatIsaAcpiDev);\r
	297	}\r
	298	return Status;\r
	299	}\r
5a702acd	300	\r
c69dd9df	301	return EFI_SUCCESS;\r
	302	}\r
	303	\r
18c97f53	304	\r
	305	/**\r
	306	Stop this driver on ControllerHandle. Support stopping any child handles\r
	307	created by this driver.\r
	308	\r
	309	@param This Protocol instance pointer.\r
	310	@param ControllerHandle Handle of device to stop driver on\r
	311	@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
	312	children is zero stop the entire bus driver.\r
	313	@param ChildHandleBuffer List of Child Handles to Stop.\r
	314	\r
	315	@retval EFI_SUCCESS This driver is removed ControllerHandle\r
	316	@retval other This driver was not removed from this device\r
	317	\r
	318	**/\r
c69dd9df	319	EFI_STATUS\r
	320	EFIAPI\r
	321	PcatIsaAcpiDriverBindingStop (\r
	322	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	323	IN EFI_HANDLE Controller,\r
	324	IN UINTN NumberOfChildren,\r
	325	IN EFI_HANDLE *ChildHandleBuffer\r
	326	)\r
c69dd9df	327	{\r
	328	EFI_STATUS Status;\r
	329	EFI_ISA_ACPI_PROTOCOL *IsaAcpi;\r
	330	PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;\r
5a702acd	331	\r
c69dd9df	332	//\r
c69dd9df	333	// Get the ISA ACPI Protocol Interface\r
5a702acd	334	//\r
c69dd9df	335	Status = gBS->OpenProtocol (\r
5a702acd LG	336	Controller,\r
5a702acd LG	337	&gEfiIsaAcpiProtocolGuid,\r
9c83c97a	338	(VOID**)&IsaAcpi,\r
5a702acd LG	339	This->DriverBindingHandle,\r
5a702acd LG	340	Controller,\r
c69dd9df	341	EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
	342	);\r
	343	if (EFI_ERROR (Status)) {\r
	344	return Status;\r
	345	}\r
	346	\r
	347	//\r
	348	// Get the PCAT ISA ACPI Device structure from the ISA ACPI Protocol\r
	349	//\r
	350	PcatIsaAcpiDev = PCAT_ISA_ACPI_DEV_FROM_THIS (IsaAcpi);\r
	351	\r
e0ee9d93	352	//\r
cb68247d	353	// Restore PCI attributes\r
e0ee9d93	354	//\r
	355	Status = PcatIsaAcpiDev->PciIo->Attributes (\r
	356	PcatIsaAcpiDev->PciIo,\r
cb68247d RN	357	EfiPciIoAttributeOperationSet,\r
	358	PcatIsaAcpiDev->OriginalAttributes,\r
	359	NULL\r
e0ee9d93	360	);\r
	361	if (EFI_ERROR (Status)) {\r
	362	return Status;\r
	363	}\r
	364	\r
c69dd9df	365	//\r
	366	// Uninstall protocol interface: EFI_ISA_ACPI_PROTOCOL\r
	367	//\r
	368	Status = gBS->UninstallProtocolInterface (\r
	369	Controller,\r
	370	&gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi\r
	371	);\r
	372	if (EFI_ERROR (Status)) {\r
	373	return Status;\r
	374	}\r
	375	\r
	376	gBS->CloseProtocol (\r
5a702acd LG	377	Controller,\r
	378	&gEfiPciIoProtocolGuid,\r
	379	This->DriverBindingHandle,\r
c69dd9df	380	Controller\r
c69dd9df	381	);\r
5a702acd	382	\r
c69dd9df	383	gBS->FreePool (PcatIsaAcpiDev);\r
5a702acd	384	\r
c69dd9df	385	return EFI_SUCCESS;\r
c69dd9df	386	}\r