/*
 **************************************************************
 *
 *  hyperstone MS-DOS FAT File System Drivers
 *
 *  ATA Hard Disk and PC Bios related definitions
 *
 *  Christoph Baumhof 2000-03-21
 *  Reinhard K乭ne 2000-03-21
 *  Mihajlo Varga 2000-03-21
 *
 *  Copyright (C) 1997-2000 hyperstone electronics GmbH Konstanz
 *
 *  2000-03-21 initial release
 *
 * $Id$
 *
 * $Log$
 *
 **************************************************************
 *
 * Changes:
 *
 **************************************************************
 */


#ifndef  __HYBIOS_H
#define  __HYBIOS_H

#include "part.h"
#include "ata.h"
#include "boot.h"

#define      MAX_CHANNEL_NUM 2
#define      READ_SEC      1
#define      WRITE_SEC     0

struct hd_geometry {
      void*  bootptr[4];           /* points to the 0..3 boot sectors */
      unsigned long start;

      struct   part_tabelle  part_tab[4];

      unsigned short activ_part;   /* active partition        */
      unsigned short cylinders;
      unsigned char heads;         /* count of heads */
      unsigned char sectors;       /* sectors per track  */
      unsigned char initialized;   /* hard disk initialized ? */
      unsigned char lba ;     /* Bits: 0 DMA, 1 LBA, 2 IORDYsw, 3 IORDYsup */
      unsigned long tot_sectors;
};

extern struct hd_geometry _hd_ident[MAX_CHANNEL_NUM*2];

int _install_ATA_sys(int channel, int drive, struct hd_driveid *id,
                                             struct PART_SECT *p_sect,
                                             struct BOOT_SECT *boot_sect);
int   r_w_Disk(int drive, unsigned long LogNumber,
		  unsigned long sect_cnt, unsigned short *buffer, int rw);




/* diskinfo_t structure for _bios_disk() */

struct diskinfo_t {
    unsigned int drive, head, track, sector, nsectors;
    void  *buffer;
};

/* cmd values for _bios_disk() */

#define _DISK_RESET     0   /* controller hard reset */
#define _DISK_STATUS    1   /* status of last operation */
#define _DISK_READ      2   /* read sectors */
#define _DISK_WRITE     3   /* write sectors */
#define _DISK_VERIFY    4   /* verify sectors */
#define _DISK_FORMAT    5   /* format track */

/* cmd values for _bios_keybrd() */

#define _KEYBRD_READ            0       /* read key */
#define _NKEYBRD_READ           0x10    /* read key - enhanced */
#define _KEYBRD_READY           1       /* check key ready */
#define _NKEYBRD_READY          0x11    /* check key ready - enhanced */
#define _KEYBRD_SHIFTSTATUS     2       /* get shift status */
#define _NKEYBRD_SHIFTSTATUS    0x12    /* get shift status - enhanced */

/* cmd values for _bios_printer() */

#define _PRINTER_WRITE  0       /* send a byte to printer */
#define _PRINTER_INIT   1       /* initialize printer */
#define _PRINTER_STATUS 2       /* read printer status */

/* cmd values for _bios_serialcom() */

#define _COM_INIT       0       /* set communication parms to a byte */
#define _COM_SEND       1       /* send a byte to port */
#define _COM_RECEIVE    2       /* read character from port */
#define _COM_STATUS     3       /* get status of port */

/* byte values for _COM_INIT cmd of _bios_serialcom() */

#define _COM_CHR7       0x02    /* 7 data bits */
#define _COM_CHR8       0x03    /* 8 data bits */
#define _COM_STOP1      0x00    /* 1 stop bit */
#define _COM_STOP2      0x04    /* 2 stop bits */
#define _COM_NOPARITY   0x00    /* no parity */
#define _COM_EVENPARITY 0x18    /* even parity */
#define _COM_ODDPARITY  0x08    /* odd parity */
#define _COM_110        0x00    /* 110 baud */
#define _COM_150        0x20    /* 150 baud */
#define _COM_300        0x40    /* 300 baud */
#define _COM_600        0x60    /* 600 baud */
#define _COM_1200       0x80    /* 1200 baud */
#define _COM_2400       0xa0    /* 2400 baud */
#define _COM_4800       0xc0    /* 4800 baud */
#define _COM_9600       0xe0    /* 9600 baud */

/* cmd values for _bios_timeofday() */

#define _TIME_GETCLOCK  0   /* get clock count */
#define _TIME_SETCLOCK  1   /* set clock count */

unsigned _bios_equiplist(void);
unsigned _bios_disk(unsigned __cmd, struct diskinfo_t *__dinfo);
unsigned _bios_keybrd(unsigned __cmd);
unsigned _bios_memsize(void);
unsigned _bios_printer(unsigned __cmd, unsigned __port, unsigned __abyte);
unsigned _bios_serialcom(unsigned __cmd, unsigned __port, unsigned __abyte);
unsigned _bios_timeofday(unsigned __cmd, long  *__timeval);



#endif  /* __HYBIOS_H */