rinit.c

ATI GRAPHICS CARD BIOS FOR RV100,RV200,R200,RV250,R300 SERIES VER:8.4.8

//*************************Compiling Information*************************************
// Here is an example of batch file to build the utility with Microsoft C and MASM
// compilers. The project includes 2 files : RINIT.C and ASM.ASM. The files are also
// compilable by BCC and TASM.
// The code is a proprietary of ATI Technologies. Redistribution is prohibited.
/*
ECHO OFF

set C_PATH=c:\msvc15
set ASM_PATH=c:\masm611
set LINKER_PATH=c:\msvc15
set MAP_FILE=rinit.map
set EXE_FILE=rinit.exe


set OLDPATH=%Path%
set Path=%Path%;%C_PATH%\bin;%LINKER_PATH%\bin;%ASM_PATH%\bin;
del %MAP_FILE%
del %EXE_FILE%
del rinit.obj
del asm.obj

%C_PATH%\bin\cl /c /AL /I%C_PATH%\include rinit.c 
%ASM_PATH%\bin\ml /c asm.asm
%LINKER_PATH%\bin\link /MAP rinit asm ,%EXE_FILE%,%MAP_FILE%,%LINKER_PATH%\lib\,,

set Path=%OLDPATH%
set OLDPATH=
set C_PATH=
set LINKER_PATH=
set MAP_FILE=
set EXE_FILE=
*///************************************************************************************
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <string.h>
#include <io.h>
#include <fcntl.h>
#include <malloc.h>
/**********************************************************************************************/

/*Commands structure: describes a command line command */
struct cmd_struc
{
	const char index;
	const char * cmd_str;
	const char * cmd_expl;
};

/* This structure describes PCI device*/
struct cdevice
{
	unsigned short busdevfnc;		// bus, device, function
	unsigned long  memory_base;		//memory base, offset 0x10
	unsigned short io_base;			//io base, offset 0x14
	unsigned short revision;		//revision, offset 0x8
	unsigned short ID;				//device ID, offset 0x2
	unsigned short config;			//config word, offset 0x4
};

/*This structure containes pointers to initialization tables and pointers to some 
routines to parse the binary in order to find the tables*/
struct tables_info
{
	unsigned char** pointer; // pointer of the table pointer
	unsigned short offset;   // ofset of the table in the binary
	void	(*validate) (struct tables_info*); // pointer to function to validate table pointer we have got
	char* description;
	unsigned char*	(*look_for) (unsigned char**); // pointer to function to look for table relaying on another(parent) table
	unsigned char** parent_table; 

};

/*Binary parsing functions*/
void			general_validate(struct tables_info*); //checks if pointer is valid
unsigned char*	look_for_add_init_table (unsigned char**); // looks for ASIC init tables 3 and 4
unsigned char*	look_for_mem_res_table(unsigned char**); // looks for memory reset table
unsigned char*	look_for_short_mem_res_table(unsigned char**);// looks for short memory reset table

/*External IO, PCI and Memory access functions*/
extern void io_outbyte(unsigned short port, unsigned char data);
extern void io_outword(unsigned short port, unsigned short data);
extern void io_outdword(unsigned short port, unsigned long data);
extern unsigned char io_inbyte(unsigned short port);
extern unsigned long io_indword(unsigned short port);
extern unsigned short pci_inword(unsigned short busdevfnc,unsigned short offs);
extern void pci_outword(unsigned short busdevfnc,unsigned short offs,unsigned short data);
extern void pci_outdword(unsigned short busdevfnc,unsigned short offs,unsigned long data);
extern unsigned long pci_indword(unsigned short busdevfnc,unsigned short offs);
extern unsigned long readxmsdword(unsigned long addr);
extern void readxmsbuffer(char* buffer,unsigned long bar, unsigned short binary_size);
extern int check_for_v86(void);
extern void _scprintf(char* , unsigned short,unsigned short);

/**********************************************************************************************/

unsigned char * buffer;		// BIOS binary buffer
struct cdevice  device[8];  // list of PCI/AGP devices
struct cdevice* defaultdev; // device we chose to initialite or get info

/**********************************************************************************************/

/*In new modifications of BIOS only one table is used (ASIC init table 1)*/
unsigned char* rage_regs_1_table; // ASIC init table 1
unsigned char* rage_regs_2_table; // ASIC init table 2
unsigned char* rage_regs_3_table; // ASIC init table 3
unsigned char* rage_regs_4_table; // ASIC init table 4
unsigned char* dyn_clock_table;   // Dynamic clock enable table
unsigned char* pll_init_table;	  // PLL init table	
unsigned char* mem_conf_table;    // Memory config table
unsigned char* mem_reset_table;   // memory reset table
unsigned char* short_mem_reset_table;
unsigned char* rom_hdr_rev_pointer; //pointer to ATI ROM header

/**********************************************************************************************/
/*Definitions for displaying of test pattern*/

#define MAX_X_RESOLUTION	640
#define MAX_Y_RESOLUTION	480
#define TEXT_COLOR1			0x07ff
#define BORDER_COLOR		0xffff
#define BLUE_COLOR			0x001f
#define GREEN_COLOR			0x07E0
#define RED_COLOR			0xf800
#define TEXT_COLOR2			0xffe0

/*Init tables offsets*/
#define INIT_TABLES_NUMBER		9
#define RAGE_REGS1_TABLE_OFFS	0x0c
#define RAGE_REGS2_TABLE_OFFS	0x4e
#define DYN_CLOCK_TABLE_OFFS	0x52
#define PLL_INIT_TABLE_OFFS		0x46
#define MEM_CONFIG_TABLE_OFFS	0x48

/*Masks definitions*/
#define pllWR_EN				0x00000080
#define pllWR_DIS				0xffffff7f
#define pllINDEX_MASK			0xffffff60
#define pllMASK_BYTE			0xffffff00
#define pllWAIT_MC_BUSY_MASK	0x00010000            // byte 16 = 1
#define pllWAIT_DLL_READY_MASK	0x00080000            // byte 19 = 0
#define MEM_PWRUP_COMPLETE_A	0x01
#define MEM_PWRUP_COMPLETE_B	0x02
#define mask_SDRAM_MODE			0xffff0000
#define mask_b3MEM_RESET		0x6fffffff
#define SET_ALL_SOURCES_TO_PCI	0x00001111
#define CLK_PWRMGT_CNTL24		0x01000000
#define VIPH_ENABLE				((unsigned long) 1 << 21)
#define LINEAR_APERTURE			0x80000000;

/*Registers definitions*/
#define	pllCLK_PWRMGT_CNTL			0x0014
#define	pllMCLK_CNTL				0x0012
#define	MC_STATUS					0x0150
#define	MEM_SDRAM_MODE_REG			0x0158
#define	CLOCK_CNTL_INDEX			0x0008
#define	CLOCK_CNTL_DATA 			0x000C
#define ioMM_INDEX					0x0000
#define ioMM_DATA					0x0004	
#define	PALETTE_INDEX				0x00B0
#define	PALETTE_DATA 				0x00B4
#define VIPH_CONTROL				0x0C40
#define SEPROM_CONTROL1				0x01C0

/*Tables commands definitions*/
#define PLL_WAIT					0x80
#define PLL_PROGRAM_DWORD			0x00
#define PLL_MASK_BYTE				0x40
#define PLL_FLAG_BITS				0xc0
#define PLL_INDEX_BITS				0x3f
#define PLL_DELAY_150MKS			1
#define PLL_DELAY_5MS				2
#define WAIT_MC_BUSY_MASK			3
#define WAIT_DLL_READY_MASK			4
#define CHECK_SET_CLK_PWRMGT_CNTL24	5

/*ASIC init table records sizes*/
#define INIT_TABLE_COMMAND_SIZE		2
#define INIT_TABLE_DATA_SIZE		4
#define INIT_TABLE_DELAY_SIZE		2
#define INIT_TABLE_SCOMMAND_SIZE	2

/*Command line commands*/
#define cmdBIOS					0x0001
#define cmdINFO					0x0008
#define cmdINIT					0x0010
#define cmdFILE					0x0040
#define CMD_NUMBER				4

/*System timer registers*/
#define TIMER_CHANNEL_MODE		0x43
#define TIMER_CHANNEL_COUNTER	0x40

#define BLOCK_SIZE				512			
#define ATI_VENDOR_ID			0x1002
#define OFF_ROM_HEAD			0x48	//ATI ROM header offset

/*PCI configuration space offsets*/
#define PCI_VENDOR_ID			0x00
#define PCI_DEVICE_ID			0x02
#define PCI_REVISION			0x08
#define PCI_MEM_BASE			0x10
#define PCI_IO_BASE				0x14
#define PCI_IO_REVISION			0x08
#define PCI_CONFIG				0x04
#define PCI_BAR					0x30

#define	MEM_IO_ENABLE			0x07 /*01-IO enable | 02-MEM enable | 04 - BUS master*/
// We need bus mestering to read binary from expansion ROM if needed

#define TRUE					1
#define FALSE					0

/*Constants to validate table pointer*/
#define MAX_REVISION					0x10
#define MIN_TABLE_POINTER_ALLOWED		0x60
#define SINGLE_TABLE_REVISION			0x09

/**********************************************************************************************/
char* status_str[2] = {"primary  ","secondary"}; // string to show if device is primary

/* Device IDs of supported adapters*/

static unsigned short ati_device_ids [] =
{
// RV100
    0x5159, 0x515A, 0x4C59, 0x4C5A,

// R200
    0x5148, 0x5149, 0x514A, 0x514B, 0x514C, 0x514D, 0x514E, 0x514F,

// R200 AiW board with Bridget
    0x4242, 0x4243,

// RV200
    0x5157, 0x5158, 0x5159, 0x515A,

// RV250
    0x4964,0x4965,0x4966,0x4967,0x4968,
    0x4969,0x496A,0x496B,0x496C,0x496D,0x496E,0x496F,

// R300
    0x4164,0x4165,0x4166,0x4167,0x4168,
    0x4169,0x416A,0x416B,0x416C,0x416D,0x416E,0x416F,

    0
};

/*Tables parsing information
table's pointer, table's offset, validation func, description to generate messages, 
func to look for table if we don't have table offset, and pointer we should start at*/
struct tables_info tables[INIT_TABLES_NUMBER] =
{
	{&rage_regs_1_table,RAGE_REGS1_TABLE_OFFS,general_validate,"1st init block",NULL,NULL},
	{&rage_regs_2_table,RAGE_REGS2_TABLE_OFFS,general_validate,"2nd init block",NULL,NULL},
	{&dyn_clock_table,DYN_CLOCK_TABLE_OFFS,general_validate,"dynamic clock init block",NULL,NULL},
	{&pll_init_table,PLL_INIT_TABLE_OFFS,general_validate,"pll init block",NULL,NULL},
	{&mem_conf_table,MEM_CONFIG_TABLE_OFFS,	general_validate,"memory config block",NULL,NULL},
	{&mem_reset_table,0,NULL,"memory reset table",look_for_mem_res_table,&mem_conf_table},
	{&short_mem_reset_table,0,NULL,"short memory reset table",look_for_short_mem_res_table,&mem_conf_table},
	{&rage_regs_3_table,0,NULL,"3rd init block",look_for_add_init_table,&rage_regs_2_table},
	{&rage_regs_4_table,0,NULL,"4th init block",look_for_add_init_table,&rage_regs_3_table}
};
/**********************************************************************************************/

/*Font EGA 8x16*/
char font_ega8x16[] =
{
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