Chameleon Applications

Chameleon Applications Svn Source Tree

Root/branches/iFabio/Chameleon/i386/modules/Resolution/915resolution.h

Source at commit 296 created 12 years 10 months ago.
By ifabio, add i386 folder
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#include "shortatombios.h"␊
12#include "edid.h"␊
13␊
14#ifndef __RESOLUTION_H␊
15#define __RESOLUTION_H␊
16␊
17typedef struct _edid_mode {␊
18␉unsigned short pixel_clock;␊
19␉unsigned short h_active;␊
20␉unsigned short h_blanking;␊
21␉unsigned short v_active;␊
22␉unsigned short v_blanking;␊
23␉unsigned short h_sync_offset;␊
24␉unsigned short h_sync_width;␊
25␉unsigned short v_sync_offset;␊
26␉unsigned short v_sync_width;␊
27} edid_mode;␊
28␊
29␊
30␊
31void patchVideoBios();␊
32␊
33␊
34␊
35/* Copied from 915 resolution created by steve tomljenovic␊
36 *␊
37 * This code is based on the techniques used in :␊
38 *␊
39 * - 855patch. Many thanks to Christian Zietz (czietz gmx net)␊
40 * for demonstrating how to shadow the VBIOS into system RAM␊
41 * and then modify it.␊
42 *␊
43 * - 1280patch by Andrew Tipton (andrewtipton null li).␊
44 *␊
45 * - 855resolution by Alain Poirier␊
46 *␊
47 * This source code is into the public domain.␊
48 */␊
49␊
50#define VBIOS_START 0xc0000␊
51#define VBIOS_SIZE 0x10000␊
52␊
53#define FALSE 0␊
54#define TRUE 1␊
55␊
56#define MODE_TABLE_OFFSET_845G 617␊
57␊
58␊
59#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"␊
60#define ATI_SIGNATURE2 "ATI Technologies Inc"␊
61#define NVIDIA_SIGNATURE "NVIDIA Corp"␊
62#define INTEL_SIGNATURE "Intel Corp"␊
63␊
64␊
65␊
66/*␊
67 * NVidia Defines and structures␊
68 */␊
69␊
70#define OFFSET_TO_VESA_TABLE_INDEX 2␊
71␊
72typedef struct {␊
73␉unsigned char␉ucTable_Major;␊
74␉unsigned char␉ucTable_Minor;␊
75␉unsigned char␉ucTable_Rev;␊
76␉unsigned short␉usTable_Size;␊
77} NV_COMMON_TABLE_HEADER;␊
78␊
79typedef struct {␊
80␉short reserved1;␊
81␉short reserved2;␊
82␉short reserved3;␊
83} NV_RESERVED;␊
84␊
85typedef struct {␊
86␉unsigned short␉usPixel_Clock;␊
87␉unsigned short␉usH_Active;␊
88␉NV_RESERVED␉␉reserved1;␊
89␉unsigned short␉usH_SyncStart;␊
90␉unsigned short␉usH_SyncEnd;␊
91␉unsigned short␉usH_Total;␊
92␉unsigned short␉usV_Active;␊
93␉NV_RESERVED␉␉reserved2;␊
94␉unsigned short␉usV_SyncStart;␊
95␉unsigned short␉usV_SyncEnd;␊
96␉unsigned short␉usV_Total;␊
97␉unsigned short␉reserved3;␊
98} NV_MODELINE;␊
99␊
100typedef struct {␊
101␉NV_COMMON_TABLE_HEADER␉sHeader;␊
102␉NV_MODELINE␉*␉␉␉sModelines;␊
103} NV_VESA_TABLE;␊
104␊
105/*---*/␊
106␊
107␊
108typedef enum {␊
109␉CT_UNKNOWN, CT_UNKNOWN_INTEL, CT_830, CT_845G, CT_855GM, CT_865G, ␊
110␉CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ, ␊
111␉CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X, ␊
112␉CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,␊
113␉CT_GM45, CT_G41, CT_G31, CT_G45, CT_500, CT_3150␊
114} chipset_type;␊
115␊
116␊
117␊
118typedef enum {␊
119␉BT_UNKNOWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA␊
120} bios_type;␊
121␊
122␊
123typedef struct {␊
124␉char *base;␊
125␉ATOM_ROM_HEADER *AtomRomHeader;␊
126␉unsigned short *MasterCommandTables;␊
127␉unsigned short *MasterDataTables;␊
128} bios_tables_t;␊
129␊
130typedef struct {␊
131␉UInt8 mode;␊
132␉UInt8 bits_per_pixel;␊
133␉UInt16 resolution;␊
134␉UInt8 unknown;␊
135} __attribute__((packed)) vbios_mode;␊
136␊
137typedef struct {␊
138␉UInt8 unknow1[2];␊
139␉UInt8 x1;␊
140␉UInt8 x_total;␊
141␉UInt8 x2;␊
142␉UInt8 y1;␊
143␉UInt8 y_total;␊
144␉UInt8 y2;␊
145} __attribute__((packed)) vbios_resolution_type1;␊
146␊
147typedef struct {␊
148␉unsigned long clock;␊
149␉␊
150␉UInt16 x1;␊
151␉UInt16 htotal;␊
152␉UInt16 x2;␊
153␉UInt16 hblank;␊
154␉UInt16 hsyncstart;␊
155␉UInt16 hsyncend;␊
156␉UInt16 y1;␊
157 UInt16 vtotal;␊
158 UInt16 y2;␊
159␉UInt16 vblank;␊
160␉UInt16 vsyncstart;␊
161␉UInt16 vsyncend;␊
162} __attribute__((packed)) vbios_modeline_type2;␊
163␊
164typedef struct {␊
165␉UInt8 xchars;␊
166␉UInt8 ychars;␊
167␉UInt8 unknown[4];␊
168␉␊
169␉vbios_modeline_type2 modelines[];␊
170} __attribute__((packed)) vbios_resolution_type2;␊
171␊
172typedef struct {␊
173␉unsigned long clock;␊
174␉␊
175␉UInt16 x1;␊
176␉UInt16 htotal;␊
177␉UInt16 x2;␊
178␉UInt16 hblank;␊
179␉UInt16 hsyncstart;␊
180␉UInt16 hsyncend;␊
181␉␊
182␉UInt16 y1;␊
183␉UInt16 vtotal;␊
184␉UInt16 y2;␊
185␉UInt16 vblank;␊
186␉UInt16 vsyncstart;␊
187␉UInt16 vsyncend;␊
188␉␊
189␉UInt16 timing_h;␊
190␉UInt16 timing_v;␊
191␉␊
192␉UInt8 unknown[6];␊
193} __attribute__((packed)) vbios_modeline_type3;␊
194␊
195typedef struct {␊
196␉unsigned char unknown[6];␊
197␉␊
198 vbios_modeline_type3 modelines[];␊
199} __attribute__((packed)) vbios_resolution_type3;␊
200␊
201typedef struct {␊
202␉UInt32 chipset_id;␊
203␉chipset_type chipset;␊
204␉bios_type bios;␊
205␉␊
206␉bios_tables_t ati_tables;␊
207␊
208␉␊
209␉UInt32 bios_fd;␊
210␉char* bios_ptr;␊
211␉␊
212␉vbios_mode * mode_table;␊
213␉char * ati_mode_table;␊
214␉char * nv_mode_table;␊
215␊
216␉UInt32 mode_table_size;␊
217␉UInt8 b1, b2;␊
218␉␊
219␉UInt8 unlocked;␊
220} vbios_map;␊
221␊
222␊
223␊
224vbios_map * open_vbios(chipset_type);␊
225void close_vbios (vbios_map*);␊
226void unlock_vbios(vbios_map*);␊
227void relock_vbios(vbios_map*);␊
228void set_mode(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);␊
229␊
230#endif //__RESOLUTION_H␊
231

Archive Download this file

Revision: 296