ArmPkg/Include/Library/ArmV7ArchTimerLib.h

   1 /** @file
   2
   3   Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
   4
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef __ARM_V7_ARCH_TIMER_LIB_H__
  16 #define __ARM_V7_ARCH_TIMER_LIB_H__
  17
  18 #define ARM_ARCH_TIMER_ENABLE           (1 << 0)
  19 #define ARM_ARCH_TIMER_IMASK            (1 << 1)
  20 #define ARM_ARCH_TIMER_ISTATUS          (1 << 2)
  21
  22 typedef enum {
  23   CntFrq = 0,
  24   CntPct,
  25   CntkCtl,
  26   CntpTval,
  27   CntpCtl,
  28   CntvTval,
  29   CntvCtl,
  30   CntvCt,
  31   CntpCval,
  32   CntvCval,
  33   CntvOff,
  34   CnthCtl,
  35   CnthpTval,
  36   CnthpCtl,
  37   CnthpCval,
  38   RegMaximum
  39 }ARM_ARCH_TIMER_REGS;
  40
  41 VOID
  42 EFIAPI
  43 ArmArchTimerReadReg (
  44   IN   ARM_ARCH_TIMER_REGS   Reg,
  45   OUT  VOID                  *DstBuf
  46   );
  47
  48 VOID
  49 EFIAPI
  50 ArmArchTimerWriteReg (
  51   IN   ARM_ARCH_TIMER_REGS   Reg,
  52   IN   VOID                  *SrcBuf
  53   );
  54
  55 VOID
  56 EFIAPI
  57 ArmArchTimerEnableTimer (
  58   VOID
  59   );
  60
  61 VOID
  62 EFIAPI
  63 ArmArchTimerDisableTimer (
  64   VOID
  65   );
  66
  67 VOID
  68 EFIAPI
  69 ArmArchTimerSetTimerFreq (
  70   IN   UINTN  FreqInHz
  71   );
  72
  73 UINTN
  74 EFIAPI
  75 ArmArchTimerGetTimerFreq (
  76   VOID
  77   );
  78
  79 VOID
  80 EFIAPI
  81 ArmArchTimerSetTimerVal (
  82   IN   UINTN   Val
  83   );
  84
  85 UINTN
  86 EFIAPI
  87 ArmArchTimerGetTimerVal (
  88   VOID
  89   );
  90
  91 UINT64
  92 EFIAPI
  93 ArmArchTimerGetSystemCount (
  94   VOID
  95   );
  96
  97 UINTN
  98 EFIAPI
  99 ArmArchTimerGetTimerCtrlReg (
 100   VOID
 101   );
 102
 103 VOID
 104 EFIAPI
 105 ArmArchTimerSetTimerCtrlReg (
 106   UINTN Val
 107   );
 108
 109 VOID
 110 EFIAPI
 111 ArmArchTimerSetCompareVal (
 112   IN   UINT64   Val
 113   );
 114
 115 #endif // __ARM_V7_ARCH_TIMER_LIB_H__