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1\r
2/*++\r
3\r
4Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved\r
5\r
6 This program and the accompanying materials are licensed and made available under\r
7 the terms and conditions of the BSD License that accompanies this distribution.\r
8 The full text of the license may be found at\r
9 http://opensource.org/licenses/bsd-license.php.\r
10\r
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
14\r
15Module Name:\r
16\r
17 IgdOpRegion.h\r
18\r
19Abstract:\r
20\r
21 This file is part of the IGD OpRegion Implementation. The IGD OpRegion is\r
22 an interface between system BIOS, ASL code, and Graphics drivers.\r
23\r
24 Supporting Specifiction: IGD OpRegion/Software SCI SPEC\r
25\r
26 Note: Data structures defined in this protocol are packed not naturally\r
27 aligned.\r
28\r
29 GUID forms:\r
30 {CDC5DDDF-E79D-41ec-A9B0-6565490DB9D3}\r
31 (0xcdc5dddf, 0xe79d, 0x41ec, 0xa9, 0xb0, 0x65, 0x65, 0x49, 0xd, 0xb9, 0xd3);\r
32\r
33 Acronyms:\r
34 NVS: ACPI Non Volatile Storage\r
35 OpRegion: ACPI Operational Region\r
36 VBT: Video BIOS Table (OEM customizable data)\r
37\r
38--*/\r
39\r
40#ifndef _IGD_OPREGION_PROTOCOL_H_\r
41#define _IGD_OPREGION_PROTOCOL_H_\r
42\r
43//\r
44// OpRegion / Software SCI protocol GUID\r
45//\r
46#define IGD_OPREGION_PROTOCOL_GUID \\r
47 { \\r
48 0xcdc5dddf, 0xe79d, 0x41ec, 0xa9, 0xb0, 0x65, 0x65, 0x49, 0xd, 0xb9, 0xd3 \\r
49 }\r
50\r
51//\r
52// Extern the GUID for protocol users.\r
53//\r
54extern EFI_GUID gIgdOpRegionProtocolGuid;\r
55\r
56//\r
57// Forward reference for pure ANSI compatability\r
58//\r
59typedef struct _IGD_OPREGION_PROTOCOL IGD_OPREGION_PROTOCOL;\r
60\r
61//\r
62// Protocol data definitions\r
63//\r
64\r
65//\r
66// OpRegion structures:\r
67// Sub-structures define the different parts of the OpRegion followed by the\r
68// main structure representing the entire OpRegion.\r
69//\r
70// Note: These structures are packed to 1 byte offsets because the exact\r
71// data location is requred by the supporting design specification due to\r
72// the fact that the data is used by ASL and Graphics driver code compiled\r
73// separatly.\r
74//\r
75\r
76//\r
77// OpRegion header (mailbox 0) structure and #defines.\r
78//\r
79#pragma pack (1)\r
80typedef struct {\r
81 CHAR8 SIGN[0x10]; // 0 OpRegion signature\r
82 UINT32 SIZE; // 0x10 OpRegion size\r
83 UINT32 OVER; // 0x14 OpRegion structure version\r
84 UINT8 SVER[0x20]; // 0x18 System BIOS build version\r
85 UINT8 VVER[0x10]; // 0x38 Video BIOS build version\r
86 UINT8 GVER[0x10]; // 0x48 Graphic driver build version\r
87 UINT32 MBOX; // 0x58 Mailboxes supported\r
88 UINT32 DMOD; // 0x5C Driver Model\r
89 UINT32 PCON; // 0x60 Platform Configuration Info\r
90 CHAR8 GOPV[0x20]; // 0X64 GOP build version\r
91 UINT8 RSV[0x7C]; // Reserved\r
92} OPREGION_HEADER;\r
93#pragma pack ()\r
94\r
95//\r
96// OpRegion mailbox 1 (public ACPI Methods).\r
97//\r
98#pragma pack (1)\r
99typedef struct {\r
100 UINT32 DRDY; // 0 Driver readiness\r
101 UINT32 CSTS; // 4 Status\r
102 UINT32 CEVT; // 8 Current event\r
103 UINT8 RM11[0x14]; // 12 Reserved\r
104 UINT32 DIDL; // 32 Supported display devices list\r
105 UINT32 DDL2; // 8 Devices.\r
106 UINT32 DDL3;\r
107 UINT32 DDL4;\r
108 UINT32 DDL5;\r
109 UINT32 DDL6;\r
110 UINT32 DDL7;\r
111 UINT32 DDL8;\r
112 UINT32 CPDL; // 64 Currently present display devices list\r
113 UINT32 CPL2; // 8 Devices.\r
114 UINT32 CPL3;\r
115 UINT32 CPL4;\r
116 UINT32 CPL5;\r
117 UINT32 CPL6;\r
118 UINT32 CPL7;\r
119 UINT32 CPL8;\r
120 UINT32 CADL; // 96 Currently active display devices list\r
121 UINT32 CAL2; // 8 Devices.\r
122 UINT32 CAL3;\r
123 UINT32 CAL4;\r
124 UINT32 CAL5;\r
125 UINT32 CAL6;\r
126 UINT32 CAL7;\r
127 UINT32 CAL8;\r
128 UINT32 NADL; // 128 Next active device list\r
129 UINT32 NDL2; // 8 Devices.\r
130 UINT32 NDL3;\r
131 UINT32 NDL4;\r
132 UINT32 NDL5;\r
133 UINT32 NDL6;\r
134 UINT32 NDL7;\r
135 UINT32 NDL8;\r
136 UINT32 ASLP; // 160 ASL sleep timeout\r
137 UINT32 TIDX; // 164 Toggle table index\r
138 UINT32 CHPD; // 168 Current hot plug enable indicator\r
139 UINT32 CLID; // 172 Current lid state indicator\r
140 UINT32 CDCK; // 176 Current docking state indicator\r
141 UINT32 SXSW; // 180 Display Switch notification on Sx State resume\r
142 UINT32 EVTS; // 184 Events supported by ASL\r
143 UINT32 CNOT; // 188 Current OS Notification\r
144 UINT32 NRDY; // 192 Reasons for DRDY = 0\r
145 UINT8 RM12[0x3C]; // 196 Reserved\r
146} OPREGION_MBOX1;\r
147#pragma pack ()\r
148\r
149//\r
150// OpRegion mailbox 2 (Software SCI Interface).\r
151//\r
152#pragma pack (1)\r
153typedef struct {\r
154 UINT32 SCIC; // 0 Software SCI function number parameters\r
155 UINT32 PARM; // 4 Software SCI additional parameters\r
156 UINT32 DSLP; // 8 Driver sleep timeout\r
157 UINT8 RM21[0xF4]; // 12 Reserved\r
158} OPREGION_MBOX2;\r
159#pragma pack ()\r
160\r
161//\r
162// OpRegion mailbox 3 (Power Conservation).\r
163//\r
164#pragma pack (1)\r
165typedef struct {\r
166 UINT32 ARDY; // 0 Driver readiness\r
167 UINT32 ASLC; // 4 ASLE interrupt command / status\r
168 UINT32 TCHE; // 8 Technology enabled indicator\r
169 UINT32 ALSI; // 12 Current ALS illuminance reading\r
170 UINT32 BCLP; // 16 Backlight britness to set\r
171 UINT32 PFIT; // 20 Panel fitting Current State or Request\r
172 UINT32 CBLV; // 24 Brightness Current State\r
173 UINT16 BCLM[0x14]; // 28 Backlight Brightness Level Duty Cycle Mapping Table\r
174 UINT32 CPFM; // 68 Panel Fitting Current Mode\r
175 UINT32 EPFM; // 72 Enabled Panel Fitting Mode\r
176 UINT8 PLUT[0x4A]; // 76 Panel Look Up Table\r
177 UINT32 PFMB; // 150 PWM Frequency and Minimum Brightness\r
178 UINT32 CCDV; // 154 Color Correction Default Values\r
179 UINT32 PCFT; // 158 Power Conservation Features\r
180 UINT8 RM31[0x5E]; // 162 Reserved\r
181} OPREGION_MBOX3;\r
182#pragma pack ()\r
183\r
184//\r
185// OpRegion mailbox 4 (VBT).\r
186//\r
187#pragma pack (1)\r
188typedef struct {\r
189 UINT8 GVD1[0x1800]; // 6K Reserved\r
190} OPREGION_VBT;\r
191#pragma pack ()\r
192\r
193#pragma pack (1)\r
194typedef struct {\r
195 UINT8 EDIDOVRD[0x400]; // 6K Edid overriding data\r
196} OPREGION_MBOX5;\r
197#pragma pack ()\r
198//\r
199// Entire OpRegion\r
200//\r
201#pragma pack (1)\r
202typedef struct {\r
203 OPREGION_HEADER Header; // OpRegion header\r
204 OPREGION_MBOX1 MBox1; // Mailbox 1: Public ACPI Methods\r
205 OPREGION_MBOX2 MBox2; // Mailbox 2: Software SCI Inteface\r
206 OPREGION_MBOX3 MBox3; // Mailbox 3: Power Conservation\r
207 OPREGION_VBT VBT; // VBT: Video BIOS Table (OEM customizable data)\r
208 OPREGION_MBOX5 MBox5;\r
209} IGD_OPREGION_STRUC;\r
210#pragma pack ()\r
211\r
212//\r
213// Protocol data structure definition\r
214//\r
215struct _IGD_OPREGION_PROTOCOL {\r
216 IGD_OPREGION_STRUC *OpRegion;\r
217};\r
218\r
219#endif\r