| 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 | #include "edid.h"␊ |
| 20 | ␊ |
| 21 | #define NEW(a) ((a *)(malloc(sizeof(a))))␊ |
| 22 | #define FREE(a) (free(a))␊ |
| 23 | ␊ |
| 24 | #ifdef AUTORES_DEBUG␊ |
| 25 | #define PRINT(a, b...) printf(a, ##b);␊ |
| 26 | #else ␊ |
| 27 | #define PRINT(a, b...) verbose(a, ##b);␊ |
| 28 | #endif␊ |
| 29 | ␊ |
| 30 | #define VBIOS_START 0xc0000␊ |
| 31 | #define VBIOS_SIZE 0x10000␊ |
| 32 | ␊ |
| 33 | #define FALSE 0␊ |
| 34 | #define TRUE 1␊ |
| 35 | ␊ |
| 36 | typedef struct {␊ |
| 37 | ␉unsigned char width;␊ |
| 38 | ␉unsigned char height;␊ |
| 39 | } s_aspect;␊ |
| 40 | ␊ |
| 41 | ␊ |
| 42 | typedef enum {␊ |
| 43 | ␉CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G, ␊ |
| 44 | ␉CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ, ␊ |
| 45 | ␉CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X, ␊ |
| 46 | ␉CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,␊ |
| 47 | ␉CT_GM45, CT_G41, CT_G31, CT_G45, CT_500␊ |
| 48 | } chipset_type;␊ |
| 49 | ␊ |
| 50 | ␊ |
| 51 | typedef enum {␊ |
| 52 | ␉BT_UNKWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA␊ |
| 53 | } bios_type;␊ |
| 54 | ␊ |
| 55 | typedef struct {␊ |
| 56 | ␉␉UInt32␉clock;␊ |
| 57 | ␉␉UInt16␉x;␊ |
| 58 | ␉␉UInt16␉hsyncstart;␊ |
| 59 | ␉␉UInt16␉hsyncend;␊ |
| 60 | ␉␉UInt16␉htotal;␊ |
| 61 | ␉␉UInt16␉y;␊ |
| 62 | ␉␉UInt16␉vsyncstart;␊ |
| 63 | ␉␉UInt16␉vsyncend;␊ |
| 64 | ␉␉UInt16␉vtotal;␊ |
| 65 | ␉} generic_modeline;␊ |
| 66 | ␊ |
| 67 | ␊ |
| 68 | typedef struct {␊ |
| 69 | ␉UInt32 chipset_id;␊ |
| 70 | ␉chipset_type chipset;␊ |
| 71 | ␉bios_type bios;␊ |
| 72 | ␉␊ |
| 73 | ␉UInt32 bios_fd;␊ |
| 74 | ␉unsigned char* bios_backup_ptr;␊ |
| 75 | ␉unsigned char* bios_ptr;␊ |
| 76 | ␉␊ |
| 77 | ␉char * mode_table;␊ |
| 78 | ␉char * nv_mode_table_2;␊ |
| 79 | ␉␊ |
| 80 | ␉UInt32 mode_table_size;␊ |
| 81 | ␉UInt32 nv_mode_table_2_size;␊ |
| 82 | ␉␊ |
| 83 | ␉UInt32 modeline_num;␊ |
| 84 | ␉UInt32 nv_modeline_num_2;␊ |
| 85 | ␉␊ |
| 86 | ␉UInt8 b1, b2;␊ |
| 87 | ␉␊ |
| 88 | ␉s_aspect aspect_ratio;␊ |
| 89 | ␉␊ |
| 90 | ␉UInt8 unlocked;␊ |
| 91 | } vbios_map;␊ |
| 92 | ␊ |
| 93 | vbios_map * open_vbios(chipset_type);␊ |
| 94 | void close_vbios (vbios_map*);␊ |
| 95 | void unlock_vbios(vbios_map*);␊ |
| 96 | void relock_vbios(vbios_map*);␊ |
| 97 | void save_vbios(vbios_map*);␊ |
| 98 | void restore_vbios(vbios_map*);␊ |
| 99 | ␊ |
| 100 | void gtf_timings(UInt32 x, UInt32 y, UInt32 freq,␊ |
| 101 | ␉␉␉␉ unsigned long *clock,␊ |
| 102 | ␉␉␉␉ UInt16 *hsyncstart, UInt16 *hsyncend, UInt16 *hblank,␊ |
| 103 | ␉␉␉␉ UInt16 *vsyncstart, UInt16 *vsyncend, UInt16 *vblank);␊ |
| 104 | ␊ |
| 105 | void cvt_timings(UInt32 x, UInt32 y, UInt32 freq,␊ |
| 106 | ␉␉␉␉ unsigned long *clock,␊ |
| 107 | ␉␉␉␉ UInt16 *hsyncstart, UInt16 *hsyncend, UInt16 *hblank,␊ |
| 108 | ␉␉␉␉ UInt16 *vsyncstart, UInt16 *vsyncend, UInt16 *vblank, bool reduced);␊ |
| 109 | ␊ |
| 110 | void patch_vbios(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);␊ |
| 111 | ␊ |
| 112 | #endif␊ |
| 113 | |
