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Autodocs Include classes clib datatypes devices audio.h / .i bootblock.h / .i cd.h / .i clipboard.h / .i console.h / .i conunit.h / .i gameport.h / .i hardblocks.h / .i input.h / .i inputevent.h / .i keyboard.h / .i keymap.h / .i narrator.h / .i parallel.h / .i printer.h / .i prtbase.h / .i prtgfx.h / .i scsidisk.h / .i serial.h / .i timer.h / .i trackdisk.h / .i diskfont dos exec gadgets graphics hardware images intuition libraries pragma pragmas prefs proto reaction resources rexx utility workbench GuruMeditation | #ifndef DEVICES_TRACKDISK_H #define DEVICES_TRACKDISK_H /* ** ** $VER: trackdisk.h 33.13 (28.11.1990) ** Includes Release 45.1 ** ** trackdisk device structure and value definitions ** ** (C) Copyright 1985-2001 Amiga, Inc. ** All Rights Reserved ** */ #ifndef EXEC_IO_H #include <exec/io.h> #endif #ifndef EXEC_DEVICES_H #include <exec/devices.h> #endif /* *-------------------------------------------------------------------- * * Physical drive constants * *-------------------------------------------------------------------- */ /* OBSOLETE -- use the TD_GETNUMTRACKS command! */ /*#define NUMCYLS 80*/ /* normal # of cylinders */ /*#define MAXCYLS (NUMCYLS+20)*/ /* max # cyls to look for during cal */ /*#define NUMHEADS 2*/ /*#define NUMTRACKS (NUMCYLS*NUMHEADS)*/ #define NUMSECS 11 #define NUMUNITS 4 /* *-------------------------------------------------------------------- * * Useful constants * *-------------------------------------------------------------------- */ /*-- sizes before mfm encoding */ #define TD_SECTOR 512 #define TD_SECSHIFT 9 /* log TD_SECTOR */ /* *-------------------------------------------------------------------- * * Driver Specific Commands * *-------------------------------------------------------------------- */ /* *-- TD_NAME is a generic macro to get the name of the driver. This *-- way if the name is ever changed you will pick up the change *-- automatically. *-- *-- Normal usage would be: *-- *-- char internalName[] = TD_NAME; *-- */ #define TD_NAME "trackdisk.device" #define TDF_EXTCOM (1<<15) /* for internal use only! */ #define TD_MOTOR (CMD_NONSTD+0) /* control the disk's motor */ #define TD_SEEK (CMD_NONSTD+1) /* explicit seek (for testing) */ #define TD_FORMAT (CMD_NONSTD+2) /* format disk */ #define TD_REMOVE (CMD_NONSTD+3) /* notify when disk changes */ #define TD_CHANGENUM (CMD_NONSTD+4) /* number of disk changes */ #define TD_CHANGESTATE (CMD_NONSTD+5) /* is there a disk in the drive? */ #define TD_PROTSTATUS (CMD_NONSTD+6) /* is the disk write protected? */ #define TD_RAWREAD (CMD_NONSTD+7) /* read raw bits from the disk */ #define TD_RAWWRITE (CMD_NONSTD+8) /* write raw bits to the disk */ #define TD_GETDRIVETYPE (CMD_NONSTD+9) /* get the type of the disk drive */ #define TD_GETNUMTRACKS (CMD_NONSTD+10) /* # of tracks for this type drive */ #define TD_ADDCHANGEINT (CMD_NONSTD+11) /* TD_REMOVE done right */ #define TD_REMCHANGEINT (CMD_NONSTD+12) /* remove softint set by ADDCHANGEINT */ #define TD_GETGEOMETRY (CMD_NONSTD+13) /* gets the disk geometry table */ #define TD_EJECT (CMD_NONSTD+14) /* for those drives that support it */ #define TD_LASTCOMM (CMD_NONSTD+15) /* * * The disk driver has an "extended command" facility. These commands * take a superset of the normal IO Request block. * */ #define ETD_WRITE (CMD_WRITE|TDF_EXTCOM) #define ETD_READ (CMD_READ|TDF_EXTCOM) #define ETD_MOTOR (TD_MOTOR|TDF_EXTCOM) #define ETD_SEEK (TD_SEEK|TDF_EXTCOM) #define ETD_FORMAT (TD_FORMAT|TDF_EXTCOM) #define ETD_UPDATE (CMD_UPDATE|TDF_EXTCOM) #define ETD_CLEAR (CMD_CLEAR|TDF_EXTCOM) #define ETD_RAWREAD (TD_RAWREAD|TDF_EXTCOM) #define ETD_RAWWRITE (TD_RAWWRITE|TDF_EXTCOM) /* * * extended IO has a larger than normal io request block. * */ struct IOExtTD { struct IOStdReq iotd_Req; ULONG iotd_Count; ULONG iotd_SecLabel; }; /* * This is the structure returned by TD_DRIVEGEOMETRY * Note that the layout can be defined three ways: * * 1. TotalSectors * 2. Cylinders and CylSectors * 3. Cylinders, Heads, and TrackSectors. * * #1 is most accurate, #2 is less so, and #3 is least accurate. All * are usable, though #2 and #3 may waste some portion of the available * space on some drives. */ struct DriveGeometry { ULONG dg_SectorSize; /* in bytes */ ULONG dg_TotalSectors; /* total # of sectors on drive */ ULONG dg_Cylinders; /* number of cylinders */ ULONG dg_CylSectors; /* number of sectors/cylinder */ ULONG dg_Heads; /* number of surfaces */ ULONG dg_TrackSectors; /* number of sectors/track */ ULONG dg_BufMemType; /* preferred buffer memory type */ /* (usually MEMF_PUBLIC) */ UBYTE dg_DeviceType; /* codes as defined in the SCSI-2 spec*/ UBYTE dg_Flags; /* flags, including removable */ UWORD dg_Reserved; }; /* device types */ #define DG_DIRECT_ACCESS 0 #define DG_SEQUENTIAL_ACCESS 1 #define DG_PRINTER 2 #define DG_PROCESSOR 3 #define DG_WORM 4 #define DG_CDROM 5 #define DG_SCANNER 6 #define DG_OPTICAL_DISK 7 #define DG_MEDIUM_CHANGER 8 #define DG_COMMUNICATION 9 #define DG_UNKNOWN 31 /* flags */ #define DGB_REMOVABLE 0 #define DGF_REMOVABLE 1 /* ** raw read and write can be synced with the index pulse. This flag ** in io request's IO_FLAGS field tells the driver that you want this. */ #define IOTDB_INDEXSYNC 4 #define IOTDF_INDEXSYNC (1<<4) /* ** raw read and write can be synced with a $4489 sync pattern. This flag ** in io request's IO_FLAGS field tells the driver that you want this. */ #define IOTDB_WORDSYNC 5 #define IOTDF_WORDSYNC (1<<5) /* labels are TD_LABELSIZE bytes per sector */ #define TD_LABELSIZE 16 /* ** This is a bit in the FLAGS field of OpenDevice. If it is set, then ** the driver will allow you to open all the disks that the trackdisk ** driver understands. Otherwise only 3.5" disks will succeed. */ #define TDB_ALLOW_NON_3_5 0 #define TDF_ALLOW_NON_3_5 (1<<0) /* ** If you set the TDB_ALLOW_NON_3_5 bit in OpenDevice, then you don't ** know what type of disk you really got. These defines are for the ** TD_GETDRIVETYPE command. In addition, you can find out how many ** tracks are supported via the TD_GETNUMTRACKS command. */ #define DRIVE3_5 1 #define DRIVE5_25 2 #define DRIVE3_5_150RPM 3 /* *-------------------------------------------------------------------- * * Driver error defines * *-------------------------------------------------------------------- */ #define TDERR_NotSpecified 20 /* general catchall */ #define TDERR_NoSecHdr 21 /* couldn't even find a sector */ #define TDERR_BadSecPreamble 22 /* sector looked wrong */ #define TDERR_BadSecID 23 /* ditto */ #define TDERR_BadHdrSum 24 /* header had incorrect checksum */ #define TDERR_BadSecSum 25 /* data had incorrect checksum */ #define TDERR_TooFewSecs 26 /* couldn't find enough sectors */ #define TDERR_BadSecHdr 27 /* another "sector looked wrong" */ #define TDERR_WriteProt 28 /* can't write to a protected disk */ #define TDERR_DiskChanged 29 /* no disk in the drive */ #define TDERR_SeekError 30 /* couldn't find track 0 */ #define TDERR_NoMem 31 /* ran out of memory */ #define TDERR_BadUnitNum 32 /* asked for a unit > NUMUNITS */ #define TDERR_BadDriveType 33 /* not a drive that trackdisk groks */ #define TDERR_DriveInUse 34 /* someone else allocated the drive */ #define TDERR_PostReset 35 /* user hit reset; awaiting doom */ /* *-------------------------------------------------------------------- * * public portion of the unit structure * *-------------------------------------------------------------------- */ struct TDU_PublicUnit { struct Unit tdu_Unit; /* base message port */ UWORD tdu_Comp01Track; /* track for first precomp */ UWORD tdu_Comp10Track; /* track for second precomp */ UWORD tdu_Comp11Track; /* track for third precomp */ ULONG tdu_StepDelay; /* time to wait after stepping */ ULONG tdu_SettleDelay; /* time to wait after seeking */ UBYTE tdu_RetryCnt; /* # of times to retry */ UBYTE tdu_PubFlags; /* public flags, see below */ UWORD tdu_CurrTrk; /* track the heads are over... */ /* ONLY ACCESS WHILE UNIT IS STOPPED! */ ULONG tdu_CalibrateDelay; /* time to wait after stepping */ /* during a recalibrate */ ULONG tdu_Counter; /* counter for disk changes... */ /* ONLY ACCESS WHILE UNIT IS STOPPED! */ }; /* flags for tdu_PubFlags */ #define TDPB_NOCLICK 0 #define TDPF_NOCLICK (1L << 0) #endif /* DEVICES_TRACKDISK_H */ Comments |
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