[mirror_edk2.git] / Vlv2TbltDevicePkg / Wpce791 / LpcIsaAcpi.c

/** @file\r
\r
  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>\r
                                                                                   \r\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
                                                                                   \r\r
\r
Module Name:\r
\r
    LpcIsaAcpi.c\r
\r
Abstract: IsaAcpi implementation\r
\r
\r
\r
--*/\r
\r
#include "LpcDriver.h"\r
\r
//\r
// PS/2 Keyboard Controller\r
//\r
static EFI_ISA_ACPI_RESOURCE  mLpcWpce791Ps2KeyboardDeviceResources[] = {\r
  {EfiIsaAcpiResourceIo,        0, 0x60, 0x64},\r
  {EfiIsaAcpiResourceInterrupt, 0, 1,     0},\r
  {EfiIsaAcpiResourceEndOfList, 0, 0,     0}\r
};\r
\r
//\r
// PS/2 Mouse Controller\r
//\r
static EFI_ISA_ACPI_RESOURCE  mLpcWpce791Ps2MouseDeviceResources[] = {\r
  {EfiIsaAcpiResourceIo,        0, 0x60, 0x64},\r
  {EfiIsaAcpiResourceInterrupt, 0, 12,     0},\r
  {EfiIsaAcpiResourceEndOfList, 0, 0,     0}\r
};\r
\r
//\r
// COM\r
//\r
static EFI_ISA_ACPI_RESOURCE  mLpcWpce791ComDeviceResources[] = {\r
  {EfiIsaAcpiResourceIo,        0, 0x3f8, 0x3ff},\r
  {EfiIsaAcpiResourceInterrupt, 0, 4,     0},\r
  {EfiIsaAcpiResourceEndOfList, 0, 0,     0}\r
};\r
\r
//\r
// Table of ISA Controllers\r
//\r
EFI_ISA_ACPI_RESOURCE_LIST mLpcWpce791DeviceList[] = {\r
  {{EISA_PNP_ID(0x303), 0}, mLpcWpce791Ps2KeyboardDeviceResources }, // PS/2 Keyboard Controller\r
  {{EISA_PNP_ID(0xF03), 0}, mLpcWpce791Ps2MouseDeviceResources	  }, // PS/2 Mouse Controller\r
  {{EISA_PNP_ID(0x501), 0}, mLpcWpce791ComDeviceResources	      }, // COM\r
  {{0,                  0}, NULL                                  }  // End\r
};\r
\r
static ICH_DMA_INIT  mIchDmaInitTable [] = {\r
//\r
//Register OFFSET,           Value\r
//\r
\r
            0x0D8,           0x000,   // Reset DMA Controller 2\r
            0x0D0,           0x000,   // Enable DMA controller 2\r
            0x00C,           0x000,   // Reset DMA Controller 1\r
            0x008,           0x000,   // Enable DMA controller 1\r
\r
            //\r
            // Channel 4\r
            //\r
            0x0D6,           0x0c0,   // DMA contr. 2 Cascade mode, addr. increment, disable auto init.\r
            0x0D2,           0x000,   // Clear write request register\r
            0x0d4,           0x000,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 0\r
            //\r
            0x00B,           0x040,   // DMA contr. 1 single mode, addr. increment, disable auto init.\r
            0x009,           0x000,   // Clear write request register\r
            0x00A,           0x000,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 1\r
            //\r
            0x00B,           0x041,   // DMA contr. 1 single mode, addr. increment, disable auto init.\r
            0x009,           0x001,   // Clear write request register\r
            0x00A,           0x001,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 2\r
            //\r
            0x00B,           0x042,   // DMA contr. 1 single mode, addr. increment, disable auto init.\r
            0x009,           0x002,   // Clear write request register\r
            0x00A,           0x002,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 3\r
            //\r
            0x00B,           0x043,   // DMA contr. 1 single mode, addr. increment, disable auto init.\r
            0x009,           0x003,   // Clear write request register\r
            0x00A,           0x003,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 5\r
            //\r
            0x0D6,           0x041,   // DMA contr. 2 single mode, addr. increment, disable auto init.\r
            0x0D2,           0x001,   // Clear write request register\r
            0x0D4,           0x001,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 6\r
            //\r
            0x0D6,           0x042,   // DMA contr. 2 single mode, addr. increment, disable auto init.\r
            0x0D2,           0x002,   // Clear write request register\r
            0x0D4,           0x002,   // Enable DREQs for channel\r
\r
            //\r
            // Channel 7\r
            //\r
            0x0D6,           0x043,   // DMA contr. 2 single mode, addr. increment, disable auto init.\r
            0x0D2,           0x003,   // Clear write request register\r
            0x0D4,           0x003    // Enable DREQs for channel\r
\r
};\r
\r
//\r
// ISA ACPI Protocol Functions\r
//\r
/**\r
\r
  Enumerate the ISA devices on the ISA bus\r
\r
**/\r
VOID\r
IsaDeviceLookup (\r
  IN  EFI_ISA_ACPI_DEVICE_ID      *Device,\r
  OUT EFI_ISA_ACPI_RESOURCE_LIST  **IsaAcpiDevice,\r
  OUT EFI_ISA_ACPI_RESOURCE_LIST  **NextIsaAcpiDevice\r
  )\r
{\r
  UINTN  Index;\r
\r
  *IsaAcpiDevice = NULL;\r
  if (NextIsaAcpiDevice != NULL) {\r
    *NextIsaAcpiDevice = NULL;\r
  }\r
  if (Device == NULL) {\r
    Index = 0;\r
  } else {\r
    for(Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) {\r
      if (Device->HID == mLpcWpce791DeviceList[Index].Device.HID &&\r
          Device->UID == mLpcWpce791DeviceList[Index].Device.UID    ) {\r
        break;\r
      }\r
    }\r
    if (mLpcWpce791DeviceList[Index].Device.HID == 0) {\r
      return;\r
    }\r
    *IsaAcpiDevice = &(mLpcWpce791DeviceList[Index]);\r
    Index++;\r
  }\r
  if (NextIsaAcpiDevice != NULL && mLpcWpce791DeviceList[Index].Device.HID != 0){\r
    *NextIsaAcpiDevice = &(mLpcWpce791DeviceList[Index]);\r
  }\r
}\r
\r
\r
/**\r
  Enumerate the ISA devices on the ISA bus\r
  It is hard code now and future it will get from ACPI table\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
IsaDeviceEnumerate (\r
  IN     EFI_ISA_ACPI_PROTOCOL       *This,\r
  OUT    EFI_ISA_ACPI_DEVICE_ID      **Device\r
  )\r
{\r
  EFI_ISA_ACPI_RESOURCE_LIST  *IsaAcpiDevice;\r
  EFI_ISA_ACPI_RESOURCE_LIST  *NextIsaAcpiDevice;\r
\r
  IsaDeviceLookup (*Device, &IsaAcpiDevice, &NextIsaAcpiDevice);\r
  if (NextIsaAcpiDevice == NULL) {\r
    return EFI_NOT_FOUND;\r
  }\r
  *Device = &(NextIsaAcpiDevice->Device);\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Set ISA device power use sio\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
IsaDeviceSetPower (\r
  IN     EFI_ISA_ACPI_PROTOCOL       *This,\r
  IN     EFI_ISA_ACPI_DEVICE_ID      *Device,\r
  IN     BOOLEAN                     OnOff\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r
/**\r
  Get current Resource of the specific ISA device\r
  It is hardcode now and future will get from ACPI table\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
IsaGetCurrentResource (\r
  IN     EFI_ISA_ACPI_PROTOCOL        *This,\r
  IN     EFI_ISA_ACPI_DEVICE_ID       *Device,\r
  OUT    EFI_ISA_ACPI_RESOURCE_LIST   **ResourceList\r
  )\r
{\r
  IsaDeviceLookup (Device, ResourceList, NULL);\r
  if (*ResourceList == NULL || (*ResourceList)->ResourceItem == NULL) {\r
    return EFI_NOT_FOUND;\r
  }\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
IsaGetPossibleResource (\r
  IN     EFI_ISA_ACPI_PROTOCOL       *This,\r
  IN     EFI_ISA_ACPI_DEVICE_ID      *Device,\r
  OUT    EFI_ISA_ACPI_RESOURCE_LIST  **ResourceList\r
  )\r
{\r
  //\r
  // Not supported yet\r
  //\r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r
EFI_STATUS\r
EFIAPI\r
IsaSetResource (\r
  IN     EFI_ISA_ACPI_PROTOCOL       *This,\r
  IN     EFI_ISA_ACPI_DEVICE_ID      *Device,\r
  IN     EFI_ISA_ACPI_RESOURCE_LIST  *ResourceList\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
IsaEnableDevice (\r
  IN    EFI_ISA_ACPI_PROTOCOL        *This,\r
  IN    EFI_ISA_ACPI_DEVICE_ID       *Device,\r
  IN    BOOLEAN                      Enable\r
  )\r
{\r
\r
  return EFI_UNSUPPORTED;\r
}\r
\r
/**\r
\r
  Clear out Resource List if device is set to disable by platform policy\r
\r
**/\r
VOID\r
EmptyResourceList (\r
  IN  UINT32      DeviceHid\r
  )\r
{\r
  UINT8     Index;\r
  for (Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) {\r
    if (DeviceHid == mLpcWpce791DeviceList[Index].Device.HID) {\r
      mLpcWpce791DeviceList[Index].ResourceItem = NULL;\r
    }\r
  }\r
  return;\r
}\r
\r
/**\r
\r
  Clear out Resource List if device is set to disable by platform policy\r
\r
**/\r
VOID\r
EmptyResourceListHidUid (\r
  IN  UINT32      DeviceHid,\r
  IN  UINT32      DeviceUid\r
  )\r
{\r
  UINT8     Index;\r
  for (Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) {\r
    if ((DeviceHid == mLpcWpce791DeviceList[Index].Device.HID) &&\r
        (DeviceUid == mLpcWpce791DeviceList[Index].Device.UID)) {\r
      mLpcWpce791DeviceList[Index].ResourceItem = NULL;\r
    }\r
  }\r
  return;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
IsaInitDevice (\r
  IN    EFI_ISA_ACPI_PROTOCOL        *This,\r
  IN    EFI_ISA_ACPI_DEVICE_ID       *Device\r
  )\r
{\r
  EFI_WPCE791_POLICY_PROTOCOL      *LpcWpce791Policy;\r
  EFI_STATUS                      Status;\r
\r
  //\r
  // Disable configuration according to platform protocol\r
  //\r
  Status = gBS->LocateProtocol (\r
                  &gEfiLpcWpce791PolicyProtocolGuid,\r
                  NULL,\r
                  (VOID **) &LpcWpce791Policy\r
                  );\r
  if (!EFI_ERROR(Status)) {\r
    if (LpcWpce791Policy->DeviceEnables.Ps2Keyboard == EFI_WPCE791_PS2_KEYBOARD_DISABLE) {\r
      EmptyResourceList(EISA_PNP_ID(0x303));\r
      DisableLogicalDevice (SIO_KEYBOARD);\r
      EmptyResourceList(EISA_PNP_ID(0xF03));\r
      DisableLogicalDevice (SIO_KEYBOARD);\r
    }\r
    if (LpcWpce791Policy->DeviceEnables.Ps2Mouse == EFI_WPCE791_PS2_MOUSE_DISABLE) {\r
      EmptyResourceList(EISA_PNP_ID(0xF03));\r
      DisableLogicalDevice (SIO_MOUSE);\r
    }\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
LpcInterfaceInit (\r
  IN    EFI_ISA_ACPI_PROTOCOL        *This\r
  )\r
{\r
  EFI_PCI_IO_PROTOCOL             *PciIo;\r
  UINTN                           Index;\r
\r
  PciIo = (LPC_ISA_ACPI_FROM_THIS (This))->PciIo;\r
\r
  //\r
  // DMA controller initialize\r
  //\r
  for (Index=0; Index < (sizeof(mIchDmaInitTable)/sizeof(ICH_DMA_INIT)); Index++) {\r
    PciIo->Io.Write (\r
                PciIo,\r
                EfiPciIoWidthUint8,\r
                EFI_PCI_IO_PASS_THROUGH_BAR,\r
                mIchDmaInitTable[Index].Register,\r
                1,\r
                &mIchDmaInitTable[Index].Value\r
                );\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
Commit	Line	Data
3cbfba02 DW	1	/** @file\r
	2	\r
	3	Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r
	4	\r\r
9dc8036d MK	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
9dc8036d MK	6	\r
3cbfba02 DW	7	\r\r
	8	\r
	9	Module Name:\r
	10	\r
	11	LpcIsaAcpi.c\r
	12	\r
	13	Abstract: IsaAcpi implementation\r
	14	\r
	15	\r
	16	\r
	17	--*/\r
	18	\r
	19	#include "LpcDriver.h"\r
	20	\r
	21	//\r
	22	// PS/2 Keyboard Controller\r
	23	//\r
	24	static EFI_ISA_ACPI_RESOURCE mLpcWpce791Ps2KeyboardDeviceResources[] = {\r
	25	{EfiIsaAcpiResourceIo, 0, 0x60, 0x64},\r
	26	{EfiIsaAcpiResourceInterrupt, 0, 1, 0},\r
	27	{EfiIsaAcpiResourceEndOfList, 0, 0, 0}\r
	28	};\r
	29	\r
	30	//\r
	31	// PS/2 Mouse Controller\r
	32	//\r
	33	static EFI_ISA_ACPI_RESOURCE mLpcWpce791Ps2MouseDeviceResources[] = {\r
	34	{EfiIsaAcpiResourceIo, 0, 0x60, 0x64},\r
	35	{EfiIsaAcpiResourceInterrupt, 0, 12, 0},\r
	36	{EfiIsaAcpiResourceEndOfList, 0, 0, 0}\r
	37	};\r
	38	\r
	39	//\r
	40	// COM\r
	41	//\r
	42	static EFI_ISA_ACPI_RESOURCE mLpcWpce791ComDeviceResources[] = {\r
	43	{EfiIsaAcpiResourceIo, 0, 0x3f8, 0x3ff},\r
	44	{EfiIsaAcpiResourceInterrupt, 0, 4, 0},\r
	45	{EfiIsaAcpiResourceEndOfList, 0, 0, 0}\r
	46	};\r
	47	\r
	48	//\r
	49	// Table of ISA Controllers\r
	50	//\r
	51	EFI_ISA_ACPI_RESOURCE_LIST mLpcWpce791DeviceList[] = {\r
	52	{{EISA_PNP_ID(0x303), 0}, mLpcWpce791Ps2KeyboardDeviceResources }, // PS/2 Keyboard Controller\r
	53	{{EISA_PNP_ID(0xF03), 0}, mLpcWpce791Ps2MouseDeviceResources }, // PS/2 Mouse Controller\r
	54	{{EISA_PNP_ID(0x501), 0}, mLpcWpce791ComDeviceResources }, // COM\r
	55	{{0, 0}, NULL } // End\r
	56	};\r
	57	\r
	58	static ICH_DMA_INIT mIchDmaInitTable [] = {\r
	59	//\r
	60	//Register OFFSET, Value\r
	61	//\r
	62	\r
	63	0x0D8, 0x000, // Reset DMA Controller 2\r
	64	0x0D0, 0x000, // Enable DMA controller 2\r
	65	0x00C, 0x000, // Reset DMA Controller 1\r
	66	0x008, 0x000, // Enable DMA controller 1\r
	67	\r
	68	//\r
	69	// Channel 4\r
	70	//\r
71	0x0D6, 0x0c0, // DMA contr. 2 Cascade mode, addr. increment, disable auto init.\r
72	0x0D2, 0x000, // Clear write request register\r
73	0x0d4, 0x000, // Enable DREQs for channel\r
74	\r
75	//\r
76	// Channel 0\r
77	//\r
78	0x00B, 0x040, // DMA contr. 1 single mode, addr. increment, disable auto init.\r
79	0x009, 0x000, // Clear write request register\r
80	0x00A, 0x000, // Enable DREQs for channel\r
81	\r
82	//\r
83	// Channel 1\r
84	//\r
85	0x00B, 0x041, // DMA contr. 1 single mode, addr. increment, disable auto init.\r
86	0x009, 0x001, // Clear write request register\r
87	0x00A, 0x001, // Enable DREQs for channel\r
88	\r
89	//\r
90	// Channel 2\r
91	//\r
92	0x00B, 0x042, // DMA contr. 1 single mode, addr. increment, disable auto init.\r
93	0x009, 0x002, // Clear write request register\r
94	0x00A, 0x002, // Enable DREQs for channel\r
95	\r
96	//\r
97	// Channel 3\r
98	//\r
99	0x00B, 0x043, // DMA contr. 1 single mode, addr. increment, disable auto init.\r
100	0x009, 0x003, // Clear write request register\r
101	0x00A, 0x003, // Enable DREQs for channel\r
102	\r
103	//\r
104	// Channel 5\r
105	//\r
106	0x0D6, 0x041, // DMA contr. 2 single mode, addr. increment, disable auto init.\r
107	0x0D2, 0x001, // Clear write request register\r
108	0x0D4, 0x001, // Enable DREQs for channel\r
109	\r
110	//\r
111	// Channel 6\r
112	//\r
113	0x0D6, 0x042, // DMA contr. 2 single mode, addr. increment, disable auto init.\r
114	0x0D2, 0x002, // Clear write request register\r
115	0x0D4, 0x002, // Enable DREQs for channel\r
116	\r
117	//\r
118	// Channel 7\r
119	//\r
120	0x0D6, 0x043, // DMA contr. 2 single mode, addr. increment, disable auto init.\r
121	0x0D2, 0x003, // Clear write request register\r
122	0x0D4, 0x003 // Enable DREQs for channel\r
123	\r
124	};\r
125	\r
126	//\r
127	// ISA ACPI Protocol Functions\r
128	//\r
129	/**\r
130	\r
131	Enumerate the ISA devices on the ISA bus\r
132	\r
133	**/\r
134	VOID\r
135	IsaDeviceLookup (\r
136	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
137	OUT EFI_ISA_ACPI_RESOURCE_LIST **IsaAcpiDevice,\r
138	OUT EFI_ISA_ACPI_RESOURCE_LIST **NextIsaAcpiDevice\r
139	)\r
140	{\r
141	UINTN Index;\r
142	\r
143	*IsaAcpiDevice = NULL;\r
144	if (NextIsaAcpiDevice != NULL) {\r
145	*NextIsaAcpiDevice = NULL;\r
146	}\r
147	if (Device == NULL) {\r
148	Index = 0;\r
149	} else {\r
150	for(Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) {\r
151	if (Device->HID == mLpcWpce791DeviceList[Index].Device.HID &&\r
152	Device->UID == mLpcWpce791DeviceList[Index].Device.UID ) {\r
153	break;\r
154	}\r
155	}\r
156	if (mLpcWpce791DeviceList[Index].Device.HID == 0) {\r
157	return;\r
158	}\r
159	*IsaAcpiDevice = &(mLpcWpce791DeviceList[Index]);\r
160	Index++;\r
161	}\r
162	if (NextIsaAcpiDevice != NULL && mLpcWpce791DeviceList[Index].Device.HID != 0){\r
163	*NextIsaAcpiDevice = &(mLpcWpce791DeviceList[Index]);\r
164	}\r
165	}\r
166	\r
167	\r
168	/**\r
169	Enumerate the ISA devices on the ISA bus\r
170	It is hard code now and future it will get from ACPI table\r
171	\r
172	**/\r
173	EFI_STATUS\r
174	EFIAPI\r
175	IsaDeviceEnumerate (\r
176	IN EFI_ISA_ACPI_PROTOCOL *This,\r
177	OUT EFI_ISA_ACPI_DEVICE_ID **Device\r
178	)\r
179	{\r
180	EFI_ISA_ACPI_RESOURCE_LIST *IsaAcpiDevice;\r
181	EFI_ISA_ACPI_RESOURCE_LIST *NextIsaAcpiDevice;\r
182	\r
183	IsaDeviceLookup (*Device, &IsaAcpiDevice, &NextIsaAcpiDevice);\r
184	if (NextIsaAcpiDevice == NULL) {\r
185	return EFI_NOT_FOUND;\r
186	}\r
187	*Device = &(NextIsaAcpiDevice->Device);\r
188	return EFI_SUCCESS;\r
189	}\r
190	\r
191	/**\r
192	Set ISA device power use sio\r
193	\r
194	**/\r
195	EFI_STATUS\r
196	EFIAPI\r
197	IsaDeviceSetPower (\r
198	IN EFI_ISA_ACPI_PROTOCOL *This,\r
199	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
200	IN BOOLEAN OnOff\r
201	)\r
202	{\r
203	return EFI_UNSUPPORTED;\r
204	}\r
205	\r
206	\r
207	/**\r
208	Get current Resource of the specific ISA device\r
209	It is hardcode now and future will get from ACPI table\r
210	\r
211	**/\r
212	EFI_STATUS\r
213	EFIAPI\r
214	IsaGetCurrentResource (\r
215	IN EFI_ISA_ACPI_PROTOCOL *This,\r
216	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
217	OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList\r
218	)\r
219	{\r
220	IsaDeviceLookup (Device, ResourceList, NULL);\r
221	if (ResourceList == NULL \|\| (ResourceList)->ResourceItem == NULL) {\r
222	return EFI_NOT_FOUND;\r
223	}\r
224	return EFI_SUCCESS;\r
225	}\r
226	\r
227	EFI_STATUS\r
228	EFIAPI\r
229	IsaGetPossibleResource (\r
230	IN EFI_ISA_ACPI_PROTOCOL *This,\r
231	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
232	OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList\r
233	)\r
234	{\r
235	//\r
236	// Not supported yet\r
237	//\r
238	return EFI_UNSUPPORTED;\r
239	}\r
240	\r
241	\r
242	EFI_STATUS\r
243	EFIAPI\r
244	IsaSetResource (\r
245	IN EFI_ISA_ACPI_PROTOCOL *This,\r
246	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
247	IN EFI_ISA_ACPI_RESOURCE_LIST *ResourceList\r
248	)\r
249	{\r
250	return EFI_UNSUPPORTED;\r
251	}\r
252	\r
253	EFI_STATUS\r
254	EFIAPI\r
255	IsaEnableDevice (\r
256	IN EFI_ISA_ACPI_PROTOCOL *This,\r
257	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
258	IN BOOLEAN Enable\r
259	)\r
260	{\r
261	\r
262	return EFI_UNSUPPORTED;\r
263	}\r
264	\r
265	/**\r
266	\r
267	Clear out Resource List if device is set to disable by platform policy\r
268	\r
269	**/\r
270	VOID\r
271	EmptyResourceList (\r
272	IN UINT32 DeviceHid\r
273	)\r
274	{\r
275	UINT8 Index;\r
276	for (Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) {\r
277	if (DeviceHid == mLpcWpce791DeviceList[Index].Device.HID) {\r
278	mLpcWpce791DeviceList[Index].ResourceItem = NULL;\r
279	}\r
280	}\r
281	return;\r
282	}\r
283	\r
284	/**\r
285	\r
286	Clear out Resource List if device is set to disable by platform policy\r
287	\r
288	**/\r
289	VOID\r
290	EmptyResourceListHidUid (\r
291	IN UINT32 DeviceHid,\r
292	IN UINT32 DeviceUid\r
293	)\r
294	{\r
295	UINT8 Index;\r
296	for (Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) {\r
297	if ((DeviceHid == mLpcWpce791DeviceList[Index].Device.HID) &&\r
298	(DeviceUid == mLpcWpce791DeviceList[Index].Device.UID)) {\r
299	mLpcWpce791DeviceList[Index].ResourceItem = NULL;\r
300	}\r
301	}\r
302	return;\r
303	}\r
304	\r
305	EFI_STATUS\r
306	EFIAPI\r
307	IsaInitDevice (\r
308	IN EFI_ISA_ACPI_PROTOCOL *This,\r
309	IN EFI_ISA_ACPI_DEVICE_ID *Device\r
310	)\r
311	{\r
312	EFI_WPCE791_POLICY_PROTOCOL *LpcWpce791Policy;\r
313	EFI_STATUS Status;\r
314	\r
315	//\r
316	// Disable configuration according to platform protocol\r
317	//\r
318	Status = gBS->LocateProtocol (\r
319	&gEfiLpcWpce791PolicyProtocolGuid,\r
320	NULL,\r
321	(VOID **) &LpcWpce791Policy\r
322	);\r
323	if (!EFI_ERROR(Status)) {\r
324	if (LpcWpce791Policy->DeviceEnables.Ps2Keyboard == EFI_WPCE791_PS2_KEYBOARD_DISABLE) {\r
325	EmptyResourceList(EISA_PNP_ID(0x303));\r
326	DisableLogicalDevice (SIO_KEYBOARD);\r
327	EmptyResourceList(EISA_PNP_ID(0xF03));\r
328	DisableLogicalDevice (SIO_KEYBOARD);\r
329	}\r
330	if (LpcWpce791Policy->DeviceEnables.Ps2Mouse == EFI_WPCE791_PS2_MOUSE_DISABLE) {\r
331	EmptyResourceList(EISA_PNP_ID(0xF03));\r
332	DisableLogicalDevice (SIO_MOUSE);\r
333	}\r
334	}\r
335	\r
336	return EFI_SUCCESS;\r
337	}\r
338	\r
339	EFI_STATUS\r
340	EFIAPI\r
341	LpcInterfaceInit (\r
342	IN EFI_ISA_ACPI_PROTOCOL *This\r
343	)\r
344	{\r
345	EFI_PCI_IO_PROTOCOL *PciIo;\r
346	UINTN Index;\r
347	\r
348	PciIo = (LPC_ISA_ACPI_FROM_THIS (This))->PciIo;\r
349	\r
350	//\r
351	// DMA controller initialize\r
352	//\r
353	for (Index=0; Index < (sizeof(mIchDmaInitTable)/sizeof(ICH_DMA_INIT)); Index++) {\r
354	PciIo->Io.Write (\r
355	PciIo,\r
356	EfiPciIoWidthUint8,\r
357	EFI_PCI_IO_PASS_THROUGH_BAR,\r
358	mIchDmaInitTable[Index].Register,\r
359	1,\r
360	&mIchDmaInitTable[Index].Value\r
361	);\r
362	}\r
363	\r
364	return EFI_SUCCESS;\r
365	}\r
366	\r