rom/timer/timer_intern.h

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Internal information about the timer.device and HIDD's
   6     Lang: english
   7 */
   8
   9 #ifndef EXEC_TYPES_H
  10 #include <exec/types.h>
  11 #endif
  12 #ifndef EXEC_LISTS_H
  13 #include <exec/lists.h>
  14 #endif
  15 #ifndef EXEC_INTERRUPTS_H
  16 #include <exec/interrupts.h>
  17 #endif
  18 #ifndef EXEC_IO_H
  19 #include <exec/io.h>
  20 #endif
  21 #ifndef EXEC_DEVICES_H
  22 #include <exec/devices.h>
  23 #endif
  24 #ifndef DEVICES_TIMER_H
  25 #include <devices/timer.h>
  26 #endif
  27 #ifndef HIDD_TIMER_H
  28 #include <hidd/timer.h>
  29 #endif
  30 #ifndef DOS_BPTR_H
  31 #include <dos/bptr.h>
  32 #endif
  33
  34 #include <aros/system.h>
  35 #include <aros/libcall.h>
  36 #include <aros/asmcall.h>
  37
  38 #define TL_VBLANK       0
  39 #define TL_WAITVBL      1
  40 #define TL_MICROHZ      2
  41 #define TL_ECLOCK       3
  42 #define TL_WAITECLOCK   4
  43 #define NUM_LISTS       5
  44
  45 struct TimerBase
  46 {
  47     /* Required by the system */
  48     struct Device        tb_Device;
  49
  50     struct IClass       *tb_TimerHIDD;
  51     ULONG                tb_MiscFlags;          /* miscellaneous flags */
  52     struct timeval       tb_CurrentTime;        /* system time */
  53     struct timeval       tb_Elapsed;            /* Elapsed Time for VBlank */
  54
  55     /* This is required for the vertical blanking stuff */
  56     struct Interrupt     tb_VBlankInt;
  57     struct IClass       *tb_VBlankHIDD;         /* vblank hidd class */
  58     struct timeval       tb_VBlankTime;         /* vblank interval */
  59
  60     /* Lists for waiting vblank, waituntil, microhz, eclock, waiteclock */
  61     struct MinList       tb_Lists[NUM_LISTS];
  62
  63     UQUAD                tb_ticks_total;
  64     ULONG                tb_ticks_sec;
  65     ULONG                tb_ticks_elapsed;
  66     ULONG                tb_prev_tick;
  67
  68     struct timerequest   tb_vblank_timerequest; /* For vblank emulation */
  69 };
  70
  71 #define GetTimerBase(tb)        ((struct TimerBase *)(tb))
  72 #define GetDevice(tb)           ((struct Device *)(tb))
  73
  74 #define TF_GO           (1L<<0)
  75 #define TF_GotVBlank    (1L<<1) /* HIDD used for VBlank units */
  76 #define TF_GotEClock    (1L<<2) /* HIDD used for other units */