| 1 | ␊ |
| 2 | /* Copied from 915 resolution created by steve tomljenovic␊ |
| 3 | *␊ |
| 4 | * This code is based on the techniques used in :␊ |
| 5 | *␊ |
| 6 | * - 855patch. Many thanks to Christian Zietz (czietz gmx net)␊ |
| 7 | * for demonstrating how to shadow the VBIOS into system RAM␊ |
| 8 | * and then modify it.␊ |
| 9 | *␊ |
| 10 | * - 1280patch by Andrew Tipton (andrewtipton null li).␊ |
| 11 | *␊ |
| 12 | * - 855resolution by Alain Poirier␊ |
| 13 | *␊ |
| 14 | * This source code is into the public domain.␊ |
| 15 | */␊ |
| 16 | #ifndef __915_RESOLUTION_H␊ |
| 17 | #define __915_RESOLUTION_H␊ |
| 18 | ␊ |
| 19 | //#define AUTORES_DEBUG 1 // enable AutoResolution debug - review!␊ |
| 20 | ␊ |
| 21 | #include "edid.h"␊ |
| 22 | ␊ |
| 23 | #if DEBUG␊ |
| 24 | #ifndef AUTORES_DEBUG␊ |
| 25 | #define AUTORES_DEBUG␊ |
| 26 | #endif␊ |
| 27 | #endif␊ |
| 28 | ␊ |
| 29 | #ifdef AUTORES_DEBUG␊ |
| 30 | #define PRINT(a, b...) printf(a, ##b);␊ |
| 31 | #else ␊ |
| 32 | #define PRINT(a, b...) verbose(a, ##b);␊ |
| 33 | #endif␊ |
| 34 | ␊ |
| 35 | #define __packed __attribute__((packed))␊ |
| 36 | ␊ |
| 37 | #define NEW(a) ((a *)(malloc(sizeof(a))))␊ |
| 38 | #define FREE(a) (free(a))␊ |
| 39 | ␊ |
| 40 | #define VBIOS_START 0xc0000␊ |
| 41 | #define VBIOS_SIZE 0x10000␊ |
| 42 | ␊ |
| 43 | #define FALSE 0␊ |
| 44 | #define TRUE 1␊ |
| 45 | ␊ |
| 46 | ␊ |
| 47 | bool gAutoResolution;␊ |
| 48 | ␊ |
| 49 | ␊ |
| 50 | typedef struct␊ |
| 51 | {␊ |
| 52 | ␉uint8_t width;␊ |
| 53 | ␉uint8_t height;␊ |
| 54 | } sAspect;␊ |
| 55 | ␊ |
| 56 | ␊ |
| 57 | typedef enum␊ |
| 58 | {␊ |
| 59 | ␉CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G, ␊ |
| 60 | ␉CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ, ␊ |
| 61 | ␉CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X, ␊ |
| 62 | ␉CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,␊ |
| 63 | ␉CT_GM45, CT_G41, CT_G31, CT_G45, CT_500␊ |
| 64 | } chipsetType;␊ |
| 65 | ␊ |
| 66 | ␊ |
| 67 | typedef enum␊ |
| 68 | {␊ |
| 69 | ␉BT_UNKWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA␊ |
| 70 | } biosType;␊ |
| 71 | ␊ |
| 72 | typedef struct␊ |
| 73 | {␊ |
| 74 | ␉uint32_t␉clock;␊ |
| 75 | ␉uint16_t␉x;␊ |
| 76 | ␉uint16_t␉hSyncStart;␊ |
| 77 | ␉uint16_t␉hSyncEnd;␊ |
| 78 | ␉uint16_t␉hTotal;␊ |
| 79 | ␉uint16_t␉y;␊ |
| 80 | ␉uint16_t␉vSyncStart;␊ |
| 81 | ␉uint16_t␉vSyncEnd;␊ |
| 82 | ␉uint16_t␉vTotal;␊ |
| 83 | } generic_modeline;␊ |
| 84 | ␊ |
| 85 | typedef struct sModeTable_␊ |
| 86 | {␊ |
| 87 | ␉uint8_t␉*␉pointer;␊ |
| 88 | ␉␊ |
| 89 | ␉uint8_t␉␉id;␊ |
| 90 | ␉uint32_t␉size;␊ |
| 91 | ␉uint32_t␉modeCount;␊ |
| 92 | ␉␊ |
| 93 | ␉uint8_t *␉backup;␊ |
| 94 | ␉␊ |
| 95 | ␉struct sModeTable_ *prev;␊ |
| 96 | ␉struct sModeTable_ *next;␊ |
| 97 | } sModeTable;␊ |
| 98 | ␉␊ |
| 99 | ␊ |
| 100 | ␊ |
| 101 | typedef struct␊ |
| 102 | {␊ |
| 103 | ␉uint32_t chipsetId;␊ |
| 104 | ␉chipsetType chipset;␊ |
| 105 | ␉biosType bios;␊ |
| 106 | ␉␊ |
| 107 | ␉uint8_t* biosBackupPtr;␊ |
| 108 | ␉uint8_t* biosPtr;␊ |
| 109 | ␉␊ |
| 110 | ␉sModeTable *modeTables;␊ |
| 111 | ␉␊ |
| 112 | ␉uint32_t currentX, currentY;␊ |
| 113 | ␉uint8_t b1, b2;␊ |
| 114 | ␉␊ |
| 115 | ␉bool hasSwitched;␊ |
| 116 | ␉␊ |
| 117 | ␉bool (*setMode)(sModeTable *,uint8_t,uint32_t*,uint32_t*);␊ |
| 118 | ␉␊ |
| 119 | ␉sAspect aspectRatio;␊ |
| 120 | ␉␊ |
| 121 | ␉uint8_t unlocked;␊ |
| 122 | } vBiosMap;␊ |
| 123 | ␊ |
| 124 | vBiosMap *map;␊ |
| 125 | ␊ |
| 126 | vBiosMap * openVbios(chipsetType type);␊ |
| 127 | void closeVbios (vBiosMap* map);␊ |
| 128 | ␊ |
| 129 | void unlockVbios(vBiosMap* map);␊ |
| 130 | void relockVbios(vBiosMap* map);␊ |
| 131 | ␊ |
| 132 | void saveVbios(vBiosMap* map);␊ |
| 133 | void restoreVbios(vBiosMap* map);␊ |
| 134 | ␊ |
| 135 | void saveTables(sModeTable * table);␊ |
| 136 | void restoreTables(vBiosMap * map, sModeTable * table);␊ |
| 137 | ␊ |
| 138 | void gtfTimings(uint32_t x, uint32_t y, uint32_t freq,␊ |
| 139 | ␉␉␉␉ uint32_t *clock,␊ |
| 140 | ␉␉␉␉ uint16_t *hSyncStart, uint16_t *hSyncEnd, uint16_t *hBlank,␊ |
| 141 | ␉␉␉␉ uint16_t *vSyncStart, uint16_t *vSyncEnd, uint16_t *vBlank);␊ |
| 142 | ␊ |
| 143 | sModeTable * intializeTables(vBiosMap * map, int tablesCount);␊ |
| 144 | ␊ |
| 145 | void patchVbios(vBiosMap* map, uint32_t x, uint32_t y, uint32_t bp, uint32_t hTotal, uint32_t vTotal);␊ |
| 146 | ␊ |
| 147 | #endif␊ |
| 148 | |
