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Root/tags/2.0/i386/modules/Resolution/915resolution.h

Source at commit 1808 created 12 years 4 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
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} chipset_type;␊
117␊
118␊
119␊
120typedef enum {␊
121␉BT_UNKNOWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA, BT_INTEL␊
122} bios_type;␊
123␊
124␊
125typedef struct {␊
126␉char *base;␊
127␉ATOM_ROM_HEADER *AtomRomHeader;␊
128␉unsigned short *MasterCommandTables;␊
129␉unsigned short *MasterDataTables;␊
130} bios_tables_t;␊
131␊
132typedef struct {␊
133␉UInt8 mode;␊
134␉UInt8 bits_per_pixel;␊
135␉UInt16 resolution;␊
136␉UInt8 unknown;␊
137} __attribute__((packed)) vbios_mode;␊
138␊
139typedef struct {␊
140␉UInt8 unknow1[2];␊
141␉UInt8 x1;␊
142␉UInt8 x_total;␊
143␉UInt8 x2;␊
144␉UInt8 y1;␊
145␉UInt8 y_total;␊
146␉UInt8 y2;␊
147} __attribute__((packed)) vbios_resolution_type1;␊
148␊
149typedef struct {␊
150␉unsigned long clock;␊
151␉␊
152␉UInt16 x1;␊
153␉UInt16 htotal;␊
154␉UInt16 x2;␊
155␉UInt16 hblank;␊
156␉UInt16 hsyncstart;␊
157␉UInt16 hsyncend;␊
158␉UInt16 y1;␊
159 UInt16 vtotal;␊
160 UInt16 y2;␊
161␉UInt16 vblank;␊
162␉UInt16 vsyncstart;␊
163␉UInt16 vsyncend;␊
164} __attribute__((packed)) vbios_modeline_type2;␊
165␊
166typedef struct {␊
167␉UInt8 xchars;␊
168␉UInt8 ychars;␊
169␉UInt8 unknown[4];␊
170␉␊
171␉vbios_modeline_type2 modelines[];␊
172} __attribute__((packed)) vbios_resolution_type2;␊
173␊
174typedef struct {␊
175␉unsigned long clock;␊
176␉␊
177␉UInt16 x1;␊
178␉UInt16 htotal;␊
179␉UInt16 x2;␊
180␉UInt16 hblank;␊
181␉UInt16 hsyncstart;␊
182␉UInt16 hsyncend;␊
183␉␊
184␉UInt16 y1;␊
185␉UInt16 vtotal;␊
186␉UInt16 y2;␊
187␉UInt16 vblank;␊
188␉UInt16 vsyncstart;␊
189␉UInt16 vsyncend;␊
190␉␊
191␉UInt16 timing_h;␊
192␉UInt16 timing_v;␊
193␉␊
194␉UInt8 unknown[6];␊
195} __attribute__((packed)) vbios_modeline_type3;␊
196␊
197typedef struct {␊
198␉unsigned char unknown[6];␊
199␉␊
200 vbios_modeline_type3 modelines[];␊
201} __attribute__((packed)) vbios_resolution_type3;␊
202␊
203typedef struct {␊
204␉UInt32 chipset_id;␊
205␉chipset_type chipset;␊
206␉bios_type bios;␊
207␉␊
208␉bios_tables_t ati_tables;␊
209␊
210␉␊
211␉UInt32 bios_fd;␊
212␉char* bios_ptr;␊
213␉␊
214␉vbios_mode * mode_table;␊
215␉char * ati_mode_table;␊
216␉char * nv_mode_table;␊
217␊
218␉UInt32 mode_table_size;␊
219␉UInt8 b1, b2;␊
220␉␊
221␉UInt8 unlocked;␊
222} vbios_map;␊
223␊
224␊
225␊
226vbios_map * open_vbios(chipset_type);␊
227void close_vbios (vbios_map*);␊
228void unlock_vbios(vbios_map*);␊
229void relock_vbios(vbios_map*);␊
230void set_mode(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);␊
231␊
232#endif //__RESOLUTION_H␊
233

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Revision: 1808