mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-23 11:35:19 +01:00
113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
|
|
/* Copied from 915 resolution created by steve tomljenovic
|
|
*
|
|
* This code is based on the techniques used in :
|
|
*
|
|
* - 855patch. Many thanks to Christian Zietz (czietz gmx net)
|
|
* for demonstrating how to shadow the VBIOS into system RAM
|
|
* and then modify it.
|
|
*
|
|
* - 1280patch by Andrew Tipton (andrewtipton null li).
|
|
*
|
|
* - 855resolution by Alain Poirier
|
|
*
|
|
* This source code is into the public domain.
|
|
*/
|
|
#ifndef __915_RESOLUTION_H
|
|
#define __915_RESOLUTION_H
|
|
|
|
#include "edid.h"
|
|
|
|
#define NEW(a) ((a *)(malloc(sizeof(a))))
|
|
#define FREE(a) (free(a))
|
|
|
|
#ifdef AUTORES_DEBUG
|
|
#define PRINT(a, b...) printf(a, ##b);
|
|
#else
|
|
#define PRINT(a, b...) verbose(a, ##b);
|
|
#endif
|
|
|
|
#define VBIOS_START 0xc0000
|
|
#define VBIOS_SIZE 0x10000
|
|
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
|
|
typedef struct {
|
|
unsigned char width;
|
|
unsigned char height;
|
|
} s_aspect;
|
|
|
|
|
|
typedef enum {
|
|
CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G,
|
|
CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ,
|
|
CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X,
|
|
CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,
|
|
CT_GM45, CT_G41, CT_G31, CT_G45, CT_500
|
|
} chipset_type;
|
|
|
|
|
|
typedef enum {
|
|
BT_UNKWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA
|
|
} bios_type;
|
|
|
|
typedef struct {
|
|
UInt32 clock;
|
|
UInt16 x;
|
|
UInt16 hsyncstart;
|
|
UInt16 hsyncend;
|
|
UInt16 htotal;
|
|
UInt16 y;
|
|
UInt16 vsyncstart;
|
|
UInt16 vsyncend;
|
|
UInt16 vtotal;
|
|
} generic_modeline;
|
|
|
|
|
|
typedef struct {
|
|
UInt32 chipset_id;
|
|
chipset_type chipset;
|
|
bios_type bios;
|
|
|
|
UInt32 bios_fd;
|
|
unsigned char* bios_backup_ptr;
|
|
unsigned char* bios_ptr;
|
|
|
|
char * mode_table;
|
|
char * nv_mode_table_2;
|
|
|
|
UInt32 mode_table_size;
|
|
UInt32 nv_mode_table_2_size;
|
|
|
|
UInt32 modeline_num;
|
|
UInt32 nv_modeline_num_2;
|
|
|
|
UInt8 b1, b2;
|
|
|
|
s_aspect aspect_ratio;
|
|
|
|
UInt8 unlocked;
|
|
} vbios_map;
|
|
|
|
vbios_map * open_vbios(chipset_type);
|
|
void close_vbios (vbios_map*);
|
|
void unlock_vbios(vbios_map*);
|
|
void relock_vbios(vbios_map*);
|
|
void save_vbios(vbios_map*);
|
|
void restore_vbios(vbios_map*);
|
|
|
|
void gtf_timings(UInt32 x, UInt32 y, UInt32 freq,
|
|
unsigned long *clock,
|
|
UInt16 *hsyncstart, UInt16 *hsyncend, UInt16 *hblank,
|
|
UInt16 *vsyncstart, UInt16 *vsyncend, UInt16 *vblank);
|
|
|
|
void cvt_timings(UInt32 x, UInt32 y, UInt32 freq,
|
|
unsigned long *clock,
|
|
UInt16 *hsyncstart, UInt16 *hsyncend, UInt16 *hblank,
|
|
UInt16 *vsyncstart, UInt16 *vsyncend, UInt16 *vblank, bool reduced);
|
|
|
|
void patch_vbios(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);
|
|
|
|
#endif
|