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Root/branches/diebuche/i386/libsaio/915resolution.h

Source at commit 113 created 14 years 1 month ago.
By diebuche, working on ati res.
1/* Copied from 915 resolution created by steve tomljenovic␊
2 * This source code is into the public domain.␊
3 *␊
4 * Included to Chameleon RC3 by meklort␊
5 *␊
6 * Included to RC4 and edited by deviato to match more intel chipsets␊
7 *␊
8 */␊
9␊
10/* Copied from 915 resolution created by steve tomljenovic␊
11 *␊
12 * This code is based on the techniques used in :␊
13 *␊
14 * - 855patch. Many thanks to Christian Zietz (czietz gmx net)␊
15 * for demonstrating how to shadow the VBIOS into system RAM␊
16 * and then modify it.␊
17 *␊
18 * - 1280patch by Andrew Tipton (andrewtipton null li).␊
19 *␊
20 * - 855resolution by Alain Poirier␊
21 *␊
22 * This source code is into the public domain.␊
23 */␊
24␊
25#ifndef __915_RESOLUTION_H␊
26#define __915_RESOLUTION_H␊
27␊
28#define NEW(a) ((a *)(malloc(sizeof(a))))␊
29#define FREE(a) (free(a))␊
30␊
31#define VBIOS_START 0xc0000␊
32#define VBIOS_SIZE 0x10000␊
33␊
34#define FALSE 0␊
35#define TRUE 1␊
36␊
37#define MODE_TABLE_OFFSET_845G 617␊
38␊
39␊
40#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"␊
41#define ATI_SIGNATURE2 "ATI Technologies Inc"␊
42#define NVIDIA_SIGNATURE "NVIDIA Corp"␊
43#define INTEL_SIGNATURE "Intel Corp"␊
44␊
45␊
46␊
47␊
48typedef enum {␊
49␉CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G, CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME,␊
50␉CT_946GZ, CT_G965, CT_Q965, CT_965GM, CT_GM45, CT_G41, CT_G31, CT_G45, CT_500␊
51} chipset_type;␊
52␊
53␊
54typedef enum {␊
55␉BT_UNKWN, BT_1, BT_2, BT_3␊
56} bios_type;␊
57␊
58␊
59typedef struct {␊
60␉UInt8 mode;␊
61␉UInt8 bits_per_pixel;␊
62␉UInt16 resolution;␊
63␉UInt8 unknown;␊
64} __attribute__((packed)) vbios_mode;␊
65␊
66typedef struct {␊
67␉UInt8 unknow1[2];␊
68␉UInt8 x1;␊
69␉UInt8 x_total;␊
70␉UInt8 x2;␊
71␉UInt8 y1;␊
72␉UInt8 y_total;␊
73␉UInt8 y2;␊
74} __attribute__((packed)) vbios_resolution_type1;␊
75␊
76typedef struct {␊
77␉unsigned long clock;␊
78␉␊
79␉UInt16 x1;␊
80␉UInt16 htotal;␊
81␉UInt16 x2;␊
82␉UInt16 hblank;␊
83␉UInt16 hsyncstart;␊
84␉UInt16 hsyncend;␊
85␉UInt16 y1;␊
86 UInt16 vtotal;␊
87 UInt16 y2;␊
88␉UInt16 vblank;␊
89␉UInt16 vsyncstart;␊
90␉UInt16 vsyncend;␊
91} __attribute__((packed)) vbios_modeline_type2;␊
92␊
93typedef struct {␊
94␉UInt8 xchars;␊
95␉UInt8 ychars;␊
96␉UInt8 unknown[4];␊
97␉␊
98␉vbios_modeline_type2 modelines[];␊
99} __attribute__((packed)) vbios_resolution_type2;␊
100␊
101typedef struct {␊
102␉unsigned long clock;␊
103␉␊
104␉UInt16 x1;␊
105␉UInt16 htotal;␊
106␉UInt16 x2;␊
107␉UInt16 hblank;␊
108␉UInt16 hsyncstart;␊
109␉UInt16 hsyncend;␊
110␉␊
111␉UInt16 y1;␊
112␉UInt16 vtotal;␊
113␉UInt16 y2;␊
114␉UInt16 vblank;␊
115␉UInt16 vsyncstart;␊
116␉UInt16 vsyncend;␊
117␉␊
118␉UInt16 timing_h;␊
119␉UInt16 timing_v;␊
120␉␊
121␉UInt8 unknown[6];␊
122} __attribute__((packed)) vbios_modeline_type3;␊
123␊
124typedef struct {␊
125␉unsigned char unknown[6];␊
126␉␊
127 vbios_modeline_type3 modelines[];␊
128} __attribute__((packed)) vbios_resolution_type3;␊
129␊
130typedef struct {␊
131␉UInt32 chipset_id;␊
132␉chipset_type chipset;␊
133␉bios_type bios;␊
134␉␊
135␉UInt32 bios_fd;␊
136␉char* bios_ptr;␊
137␉␊
138␉vbios_mode * mode_table;␊
139␉UInt32 mode_table_size;␊
140␉UInt8 b1, b2;␊
141␉␊
142␉UInt8 unlocked;␊
143} vbios_map;␊
144␊
145␊
146␊
147void display_map_info(vbios_map*);␊
148vbios_map * open_vbios(chipset_type);␊
149void close_vbios (vbios_map*);␊
150void unlock_vbios(vbios_map*);␊
151void relock_vbios(vbios_map*);␊
152void set_mode(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);␊
153void list_modes(vbios_map *map, UInt32 raw);␊
154␊
155#endif␊
156

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