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Root/trunk/i386/modules/Resolution/915resolution.h

1/*␊
2 * resolution.h␊
3 * ␊
4 *␊
5 * Created by Evan Lojewski on 3/4/10.␊
6 * Copyright 2009. All rights reserved.␊
7 *␊
8 */␊
9␊
10␊
11#ifndef __RESOLUTION_H␊
12#define __RESOLUTION_H␊
13␊
14#include "shortatombios.h"␊
15#include "edid.h"␊
16␊
17//Slice - moved to edid.h␊
18/*␊
19typedef struct _edid_mode {␊
20␉unsigned short pixel_clock;␊
21␉unsigned short h_active;␊
22␉unsigned short h_blanking;␊
23␉unsigned short v_active;␊
24␉unsigned short v_blanking;␊
25␉unsigned short h_sync_offset;␊
26␉unsigned short h_sync_width;␊
27␉unsigned short v_sync_offset;␊
28␉unsigned short v_sync_width;␊
29} edid_mode;␊
30*/␊
31␊
32␊
33void patchVideoBios();␊
34␊
35␊
36␊
37/* Copied from 915 resolution created by steve tomljenovic␊
38 *␊
39 * This code is based on the techniques used in :␊
40 *␊
41 * - 855patch. Many thanks to Christian Zietz (czietz gmx net)␊
42 * for demonstrating how to shadow the VBIOS into system RAM␊
43 * and then modify it.␊
44 *␊
45 * - 1280patch by Andrew Tipton (andrewtipton null li).␊
46 *␊
47 * - 855resolution by Alain Poirier␊
48 *␊
49 * This source code is into the public domain.␊
50 */␊
51␊
52#define VBIOS_START 0xc0000␊
53#define VBIOS_SIZE 0x10000␊
54␊
55#define FALSE 0␊
56#define TRUE 1␊
57␊
58#define MODE_TABLE_OFFSET_845G 617␊
59␊
60␊
61#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"␊
62#define ATI_SIGNATURE2 "ATI Technologies Inc"␊
63#define NVIDIA_SIGNATURE "NVIDIA Corp"␊
64#define INTEL_SIGNATURE "Intel Corp"␊
65␊
66␊
67␊
68/*␊
69 * NVidia Defines and structures␊
70 */␊
71␊
72#define OFFSET_TO_VESA_TABLE_INDEX 2␊
73␊
74typedef struct {␊
75␉unsigned char␉ucTable_Major;␊
76␉unsigned char␉ucTable_Minor;␊
77␉unsigned char␉ucTable_Rev;␊
78␉unsigned short␉usTable_Size;␊
79} NV_COMMON_TABLE_HEADER;␊
80␊
81typedef struct {␊
82␉short reserved1;␊
83␉short reserved2;␊
84␉short reserved3;␊
85} NV_RESERVED;␊
86␊
87typedef struct {␊
88␉unsigned short␉usPixel_Clock;␊
89␉unsigned short␉usH_Active;␊
90␉NV_RESERVED␉␉reserved1;␊
91␉unsigned short␉usH_SyncStart;␊
92␉unsigned short␉usH_SyncEnd;␊
93␉unsigned short␉usH_Total;␊
94␉unsigned short␉usV_Active;␊
95␉NV_RESERVED␉␉reserved2;␊
96␉unsigned short␉usV_SyncStart;␊
97␉unsigned short␉usV_SyncEnd;␊
98␉unsigned short␉usV_Total;␊
99␉unsigned short␉reserved3;␊
100} NV_MODELINE;␊
101␊
102typedef struct {␊
103␉NV_COMMON_TABLE_HEADER␉sHeader;␊
104␉NV_MODELINE␉*␉␉␉sModelines;␊
105} NV_VESA_TABLE;␊
106␊
107/*---*/␊
108␊
109␊
110typedef enum {␊
111␉CT_UNKNOWN, CT_UNKNOWN_INTEL, CT_830, CT_845G, CT_855GM, CT_865G, ␊
112␉CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ, ␊
113␉CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X, ␊
114␉CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,␊
115␉CT_GM45, CT_G41, CT_G31, CT_G45, CT_500, CT_3150,␊
116␉CT_CORE_PROC␊
117} chipset_type;␊
118␊
119␊
120␊
121typedef enum {␊
122␉BT_UNKNOWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA, BT_INTEL␊
123} bios_type;␊
124␊
125␊
126typedef struct {␊
127␉char␉␉␉*base;␊
128␉ATOM_ROM_HEADER␉␉*AtomRomHeader;␊
129␉unsigned short␉␉*MasterCommandTables;␊
130␉unsigned short␉␉*MasterDataTables;␊
131} bios_tables_t;␊
132␊
133typedef struct {␊
134␉UInt8 mode;␊
135␉UInt8 bits_per_pixel;␊
136␉UInt16 resolution;␊
137␉UInt8 unknown;␊
138} __attribute__((packed)) vbios_mode;␊
139␊
140typedef struct {␊
141␉UInt8 unknow1[2];␊
142␉UInt8 x1;␊
143␉UInt8 x_total;␊
144␉UInt8 x2;␊
145␉UInt8 y1;␊
146␉UInt8 y_total;␊
147␉UInt8 y2;␊
148} __attribute__((packed)) vbios_resolution_type1;␊
149␊
150typedef struct {␊
151␉unsigned long clock;␊
152␉␊
153␉UInt16 x1;␊
154␉UInt16 htotal;␊
155␉UInt16 x2;␊
156␉UInt16 hblank;␊
157␉UInt16 hsyncstart;␊
158␉UInt16 hsyncend;␊
159␉UInt16 y1;␊
160␉UInt16 vtotal;␊
161␉UInt16 y2;␊
162␉UInt16 vblank;␊
163␉UInt16 vsyncstart;␊
164␉UInt16 vsyncend;␊
165} __attribute__((packed)) vbios_modeline_type2;␊
166␊
167typedef struct {␊
168␉UInt8 xchars;␊
169␉UInt8 ychars;␊
170␉UInt8 unknown[4];␊
171␉␊
172␉vbios_modeline_type2 modelines[];␊
173} __attribute__((packed)) vbios_resolution_type2;␊
174␊
175typedef struct {␊
176␉unsigned long clock;␊
177␉␊
178␉UInt16 x1;␊
179␉UInt16 htotal;␊
180␉UInt16 x2;␊
181␉UInt16 hblank;␊
182␉UInt16 hsyncstart;␊
183␉UInt16 hsyncend;␊
184␉␊
185␉UInt16 y1;␊
186␉UInt16 vtotal;␊
187␉UInt16 y2;␊
188␉UInt16 vblank;␊
189␉UInt16 vsyncstart;␊
190␉UInt16 vsyncend;␊
191␉␊
192␉UInt16 timing_h;␊
193␉UInt16 timing_v;␊
194␉␊
195␉UInt8 unknown[6];␊
196} __attribute__((packed)) vbios_modeline_type3;␊
197␊
198typedef struct {␊
199␉unsigned char unknown[6];␊
200␉␊
201␉vbios_modeline_type3 modelines[];␊
202} __attribute__((packed)) vbios_resolution_type3;␊
203␊
204typedef struct {␊
205␉UInt32 chipset_id;␊
206␉chipset_type chipset;␊
207␉bios_type bios;␊
208␉␊
209␉bios_tables_t ati_tables;␊
210␊
211␉␊
212␉UInt32 bios_fd;␊
213␉char* bios_ptr;␊
214␉␊
215␉vbios_mode * mode_table;␊
216␉char * ati_mode_table;␊
217␉char * nv_mode_table;␊
218␊
219␉UInt32 mode_table_size;␊
220␉UInt8 b1, b2;␊
221␉␊
222␉UInt8 unlocked;␊
223} vbios_map;␊
224␊
225vbios_map * open_vbios(chipset_type);␊
226void close_vbios (vbios_map*);␊
227void unlock_vbios(vbios_map*);␊
228void relock_vbios(vbios_map*);␊
229void set_mode(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);␊
230␊
231#endif //__RESOLUTION_H␊
232

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