/*
**===========================================================================
** HAL.H
**---------------------------------------------------------------------------
** Copyright (c) 1997, 2001 Epson Research and Development, Inc.
** All Rights Reserved.
**===========================================================================
*/

#ifndef _HAL_H_
#define _HAL_H_

#ifdef   __GNUC__
#include "gnu.h"
#else
#pragma warning(disable:4001)   // Disable the 'single line comment' warning.
#endif

#include "hal_regs.h"

#if !defined(SE_NODEFMAIN) && !defined(INTEL_W32) && !defined(INTEL_DOS)
#define main seMain
#define exit seExit

void seExit(int status);
#endif

#if defined(__GNUC__) && defined(INTEL_DOS)
int getch(void);
#endif

#if defined(LCEVBSH3)
#define getch getchar
int siprintf(char *, const char *, ...);
#endif

#ifdef IDP68K
int getch(void);
int siprintf(char *, const char *, ...);
#endif

#ifdef MPC8xx
#ifdef getchar
#undef getchar
#endif
int getch(void);
int siprintf(char *, const char *, ...);
#endif


// embedded targets use non-float printf to reduce program size
#if defined(__GNUC__) && !defined(INTEL_DOS) && !defined(INTEL_W32)
#define printf iprintf
#define fprintf fiprintf
#define sprintf siprintf
#define vprintf viprintf
#define vfprintf vfiprintf
#define vsprintf vsiprintf
#endif

/*-------------------------------------------------------------------------*/

typedef unsigned char  BYTE;
typedef unsigned short WORD;
typedef unsigned long  DWORD;
typedef unsigned int   UINT;
typedef          int   BOOL;

#ifdef INTEL_DOS
 typedef BYTE  far *LPBYTE;
 typedef WORD  far *LPWORD;
 typedef DWORD far *LPDWORD;
#else
 typedef BYTE  *LPBYTE;
 typedef WORD  *LPWORD;
 typedef DWORD *LPDWORD;
#endif

#ifndef LOBYTE
#define LOBYTE(w)    ((BYTE)(w))
#endif

#ifndef HIBYTE
#define HIBYTE(w)    ((BYTE)(((UINT)(w) >> 8) & 0xFF))
#endif

#ifndef LOWORD
#define LOWORD(l)    ((WORD)(DWORD)(l))
#endif

#ifndef HIWORD
#define HIWORD(l)    ((WORD)((((DWORD)(l)) >> 16) & 0xFFFF))
#endif

#ifndef MAKEWORD
#define MAKEWORD(lo, hi) ((WORD)(((WORD)(lo)) | (((WORD)(hi)) << 8)) )
#endif

#ifndef MAKELONG
#define MAKELONG(lo, hi) ((long)(((WORD)(lo)) | (((DWORD)((WORD)(hi))) << 16)))
#endif

#ifndef TRUE
#define TRUE   1
#endif

#ifndef FALSE
#define FALSE  0
#endif

#ifndef NULL
#ifdef __cplusplus
#define NULL    0
#else 
#define NULL    ((void *)0)
#endif 
#endif 

/*-------------------------------------------------------------------------*/

/*
** SIZE_VERSION  is the size of the version string (eg. "1.00")
** SIZE_STATUS   is the size of the status string (eg. "b" for beta)
** SIZE_REVISION is the size of the status revision string (eg. "00")
*/
#define SIZE_VERSION    5
#define SIZE_STATUS     2
#define SIZE_REVISION   5

#ifdef __GNUC__
#define PACKED __attribute__((packed))
#else
#define PACKED
#endif

#ifdef ENABLE_DPF       /* Debug_printf() */

#define DPF(exp)  printf(#exp "\n")
#define DPF1(exp) printf(#exp " = %d\n", exp)
#define DPF2(exp1, exp2) printf(#exp1 "=%d  " #exp2 "=%d\n", exp1, exp2)
#define DPFL(exp) printf(#exp " = %x\n", exp)

#else 

#define DPF(exp) ((void)0)
#define DPF1(exp) ((void)0)
#define DPFL(exp) ((void)0)

#endif 


/*-------------------------------------------------------------------------*/

enum
{
   ERR_OK = 0,                      /* No error, call was successful. */
   ERR_FAILED,                      /* General purpose failure.       */

   ERR_UNKNOWN_DEVICE,
   ERR_INVALID_PARAMETER,     /* Function was called with invalid parameter. */
   ERR_HAL_BAD_ARG,
   ERR_INVALID_STD_DEVICE,

   ERR_PCI_DRIVER_NOT_FOUND,
   ERR_PCI_BRIDGE_ADAPTER_NOT_FOUND,

   ERR_CLKI_NOT_IN_TABLE,
   ERR_CLKI2_NOT_IN_TABLE,
   ERR_DISPLAY_NOT_ENABLED,
   ERR_NOT_ENOUGH_MEMORY
};

/*******************************************
 * Definitions for seGetId()
 *******************************************/
enum
{
   ID_S1D13506_REV0,
   ID_S1D13506_REV1,
   ID_UNKNOWN = 0xff,
};

/*
** DetectEndian is used to determine whether the most significant
** and least significant bytes are reversed by the given compiler.
*/
#define ENDIAN       0x1234
#define REV_ENDIAN   0x3412


enum
{
   HAL_RED,
   HAL_GREEN,
   HAL_BLUE
};

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

/*
** Definitions for HAL_STRUCT.dwFlags
*/
#define fVALID_LCD         0x00000001
#define fVALID_CRT         0x00000002
#define fVALID_TV          0x00000004
#define fFIXED_CLKI        0x00000008
#define fFIXED_CLKI2       0x00000010
#define fFIXED_DIVLCDPCLK  0x00000020
#define fFIXED_DIVCRTPCLK  0x00000040
#define fBUSCLK2           0x00000080
#define fMEMORY_512K       0x00000100
#define fMEMORY_1M         0x00000200


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

/*
** Definitions for "regDisplayMode" in seInitReg(),
** for "display" in seInitCursor(), and for "display" in seInitCursor().
*/
#define LCD      0x01
#define CRT      0x02
#define TV       0x04


/*
** The S1D13506 cannot show more than 2 separate images.
*/
#define MAX_DISP_SURFACE   2

/*
** Definitions for seGetLcdOrientation()
*/
#define LANDSCAPE   0x00
#define ROTATE90    0x01
#define ROTATE180   0x02
#define ROTATE270   (ROTATE90 | ROTATE180)

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

#pragma pack(1)

typedef struct
{
WORD index;
WORD val;   /* It is easier for the compiler to pack words instead of bytes. */
} PACKED defReg;



typedef struct tagHalStruct
{
   char  szIdString[16];
   WORD  wDetectEndian;
   WORD  wSize;

   DWORD dwFlags;
   defReg Regs[MAX_REG];

   DWORD dwClkI;                  /* Input Clock Frequency (in kHz) */
   DWORD dwClkI2;                 /* Input Clock 2 Frequency (in kHz) */
   DWORD dwBusClk;                /* Bus Clock Frequency (in kHz) */
   DWORD dwRegisterAddress;       /* Starting address of registers */
   DWORD dwDisplayMemoryAddress;  /* Starting address of display buffer memory */
   WORD  wPanelFrameRate;         /* Desired panel frame rate */
   WORD  wCrtTvFrameRate;         /* Desired CRT rate */
   WORD  wMemorySpeed;            /* Memory speed in ns */
   WORD  wRefreshTime;            /* DRAM refresh Time in us */
   WORD  wTrc;                    /* Ras to Cas Delay in ns */
   WORD  wTrp;                    /* Ras Precharge time in ns */
   WORD  wTras;                   /* Ras Pulse Width time in ns */
   WORD  wTrac;                   /* Ras Access Charge time in ns */
   WORD  wTVFlickerFilter;        /* Enable TV flicker filter */
} PACKED HAL_STRUCT;

#pragma pack()

typedef HAL_STRUCT * PHAL_STRUCT;

#ifdef INTEL_DOS
 typedef HAL_STRUCT far * LPHAL_STRUCT;
#else
 typedef HAL_STRUCT * LPHAL_STRUCT;
#endif

/*=========================================================================*/
/*                         FUNCTION  PROTO-TYPES                           */
/*=========================================================================*/


/*---------------------------- HAL Support --------------------------------*/

int seRegisterDevice(const LPHAL_STRUCT lpHalInfo);
DWORD seGetInstalledMemorySize(void);


/*
** Definitions for flags in seInitReg()
*/
#define CLEAR_MEM          0x0001
#define DISP_BLANK         0x0002

int seInitReg(unsigned DisplayMode, unsigned flags);

int  seGetId( int *pId );