rom/timer/timer_intern.h

   1 #ifndef _TIMER_INTERN_H
   2 #define _TIMER_INTERN_H
   3
   4 /*
   5     Copyright © 1995-2008, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Internal information about the timer.device and HIDD's
   9     Lang: english
  10 */
  11
  12 #ifndef EXEC_TYPES_H
  13 #include <exec/types.h>
  14 #endif
  15 #ifndef EXEC_LISTS_H
  16 #include <exec/lists.h>
  17 #endif
  18 #ifndef EXEC_INTERRUPTS_H
  19 #include <exec/interrupts.h>
  20 #endif
  21 #ifndef EXEC_IO_H
  22 #include <exec/io.h>
  23 #endif
  24 #ifndef EXEC_DEVICES_H
  25 #include <exec/devices.h>
  26 #endif
  27 #ifndef DEVICES_TIMER_H
  28 #include <devices/timer.h>
  29 #endif
  30 #ifndef HIDD_TIMER_H
  31 #include <hidd/timer.h>
  32 #endif
  33 #ifndef DOS_BPTR_H
  34 #include <dos/bptr.h>
  35 #endif
  36
  37 #include <aros/system.h>
  38 #include <aros/libcall.h>
  39 #include <aros/asmcall.h>
  40
  41 #define TL_VBLANK       0
  42 #define TL_WAITVBL      1
  43 #define TL_MICROHZ      2
  44 #define TL_ECLOCK       3
  45 #define TL_WAITECLOCK   4
  46 #define NUM_LISTS       5
  47
  48 struct TimerBase
  49 {
  50     /* Required by the system */
  51     struct Device        tb_Device;
  52
  53     struct IClass       *tb_TimerHIDD;
  54     ULONG                tb_MiscFlags;          /* miscellaneous flags */
  55     struct timeval       tb_CurrentTime;        /* system time */
  56     struct timeval       tb_Elapsed;            /* Elapsed Time for VBlank */
  57
  58     /* This is required for the vertical blanking stuff */
  59     struct Interrupt     tb_VBlankInt;
  60     struct IClass       *tb_VBlankHIDD;         /* vblank hidd class */
  61     struct timeval       tb_VBlankTime;         /* vblank interval */
  62
  63     /* Lists for waiting vblank, waituntil, microhz, eclock, waiteclock */
  64     struct MinList       tb_Lists[NUM_LISTS];
  65
  66     UQUAD                tb_ticks_total;
  67     ULONG                tb_ticks_sec;
  68     ULONG                tb_ticks_elapsed;
  69     ULONG                tb_prev_tick;
  70
  71     struct timerequest   tb_vblank_timerequest; /* For vblank emulation */
  72 };
  73
  74 #define GetTimerBase(tb)        ((struct TimerBase *)(tb))
  75 #define GetDevice(tb)           ((struct Device *)(tb))
  76
  77 #define TF_GO           (1L<<0)
  78 #define TF_GotVBlank    (1L<<1) /* HIDD used for VBlank units */
  79 #define TF_GotEClock    (1L<<2) /* HIDD used for other units */
  80
  81 #endif /* _TIMER_INTERN_H */