arch/m68k-amiga/devs/trackdisk/trackdisk_device.h

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Internal defs for trackdisk
   6     Lang: English
   7 */
   8 #ifndef TRACKDISK_DEVICE_H
   9 #define TRACKDISK_DEVICE_H
  10
  11 #include <exec/types.h>
  12 #include <exec/devices.h>
  13 #include <exec/semaphores.h>
  14 #include <exec/interrupts.h>
  15 #include <exec/tasks.h>
  16
  17 #include <devices/trackdisk.h>
  18 #include <resources/disk.h>
  19
  20 /* Stack size - 4096 longwords should be enough */
  21 #define STACK_SIZE      16384
  22
  23 /* Maximum number of units */
  24 #define TD_NUMUNITS 4
  25
  26 /* something */
  27 #define TDUF_WRITE      (1<<0)
  28
  29 #define TDU_NODISK      0x00
  30 #define TDU_DISK        0x01
  31
  32 #define TDU_READONLY    0x01
  33 #define TDU_WRITABLE    0x00
  34
  35 #define DT_UNDETECTED 0
  36 #define DT_ADOS 1
  37 #define DT_PCDOS 2
  38
  39 struct TDU
  40 {
  41     struct      TDU_PublicUnit pub;
  42     struct List tdu_Listeners;
  43     UBYTE       tdu_UnitNum;            /* Unit number */
  44     UBYTE       tdu_DiskIn;                     /* Disk in drive? */
  45     UBYTE       tdu_MotorOn;            /* Motor on? */
  46     UBYTE       tdu_ProtStatus;
  47     UBYTE       tdu_flags;
  48     BOOL    tdu_hddisk;                 /* HD disk inserted */
  49     BOOL    tdu_broken;                 /* recalibrate didn't find TRACK0, drive ignored */
  50     UBYTE       tdu_sectors;            /* number of sectors per track */
  51     BOOL    tdu_selected;
  52     UBYTE   tdu_disktype;
  53 };
  54
  55 struct TrackDiskBase
  56 {
  57     struct Device           td_device;
  58     struct TaskData                     *td_TaskData;
  59     struct TDU                          *td_Units[TD_NUMUNITS];
  60     struct timerequest          *td_TimerIO;
  61     struct timerequest          *td_TimerIO2;
  62     struct MsgPort              *td_TimerMP;
  63     struct MsgPort              *td_TimerMP2;
  64     struct DiskBase             *td_DiskBase;
  65     struct DiscResourceUnit td_dru;
  66     struct MsgPort                      td_druport;
  67     struct MsgPort                  td_Port;                    // MessagePort
  68     struct Task                         *td_task;
  69     APTR                                        td_DMABuffer;           /* Buffer for DMA accesses */
  70     UBYTE                                       *td_DataBuffer;
  71     ULONG                                       td_sectorbits;
  72     volatile struct Custom      *custom;
  73     volatile struct CIA         *ciaa;
  74     volatile struct CIA         *ciab;
  75     ULONG                                       td_IntBit;
  76     BOOL                                        td_nomount;
  77     BOOL                                        td_supportHD;
  78     WORD                                        td_buffer_track;
  79     BYTE                                        td_buffer_unit;         /* buffer contains this unit's track */
  80     UBYTE                                       td_lastdir;             /* last step direction */
  81     BOOL                                        td_dirty;
  82     UWORD                                       *crc_table16;           /* PCDOS checksum table */
  83 };
  84
  85 #endif /* TRACKDISK_DEVICE_H */