arch/m68k-amiga/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
  31 #define NUM_LISTS       2
  32
  33 #define ECLOCK_BASE 0x10000
  34
  35 struct TimerBase
  36 {
  37     /* Required by the system */
  38     struct Device tb_Device;
  39
  40     struct timeval tb_CurrentTime;      /* system time */
  41     struct timeval tb_lastsystime;
  42
  43     struct MinList tb_Lists[NUM_LISTS];
  44
  45     struct Resource *tb_cia[2];
  46
  47     struct Resource *tb_eclock_res;
  48     volatile struct CIA *tb_eclock_cia;
  49     volatile UBYTE *tb_eclock_cr, *tb_eclock_lo, *tb_eclock_hi;
  50     struct Interrupt tb_ciaint_eclock;
  51     UWORD tb_eclock_intbit;
  52     struct EClockVal tb_eclock;
  53     ULONG tb_eclock_rate;
  54     ULONG tb_eclock_to_usec;
  55
  56     struct Resource *tb_micro_res;
  57     volatile struct CIA *tb_micro_cia;
  58     volatile UBYTE *tb_micro_cr, *tb_micro_lo, *tb_micro_hi;
  59     struct Interrupt tb_ciaint_timer;
  60     UWORD tb_micro_intbit;
  61     ULONG tb_micro_started;
  62     struct timeval tb_micro_count;
  63     ULONG tb_micro_micros;
  64     BOOL tb_micro_on;
  65
  66     struct Interrupt tb_vbint;
  67     struct timeval tb_vb_count;
  68     UWORD tb_vblank_rate;
  69     UWORD tb_vblank_micros;
  70     BOOL tb_vblank_on;
  71
  72     ULONG tb_eclock_micro_mult;
  73     UWORD tb_micro_eclock_mult;
  74     ULONG  lastsystimetweak;
  75 };
  76
  77 ULONG GetEClock(struct TimerBase *TimerBase);
  78 void CheckTimer(struct TimerBase *TimerBase, UWORD unitnum);
  79 void addmicro(struct TimerBase *TimerBase, struct timeval *tv);
  80 BOOL cmp64(struct timeval *tv1, struct timeval *tv2);
  81 ULONG sub64(struct timeval *larger, struct timeval *smaller);
  82 void add64(struct timeval *dst, struct timeval *src);
  83 void inc64(struct timeval *dst);
  84 BOOL equ64(struct timeval *tv1, struct timeval *tv2);
  85 void convertunits(struct TimerBase *TimerBase, struct timeval *tr, int unit);
  86
  87 #endif /* _TIMER_INTERN_H */