arch/arm/include/asm/arch-tiger/timer_phy.h

   1 /******************************************************************************
   2  ** File Name:      timer_phy.h                                                 *
   3  ** Author:         DingJi                                                   *
   4  ** DATE:           08/09/2010                                                *
   5  ** Copyright:      2010 Spreatrum, Incoporated. All Rights Reserved.         *
   6  ** Description:    This file define the basic hw interfaces of I2C device.      *
   7  ******************************************************************************
   8
   9  ******************************************************************************
  10  **                        Edit History                                       *
  11  ** ------------------------------------------------------------------------- *
  12  ** DATE                        NAME            DESCRIPTION                               *
  13  ** 08/09/2010      DingJi              Create.                                   *
  14  ******************************************************************************/
  15
  16 #ifndef _TIMER_PHY_H_
  17 #define _TIMER_PHY_H_
  18 /*----------------------------------------------------------------------------*
  19  **                         Dependencies                                      *
  20  **------------------------------------------------------------------------- */
  21
  22 #include "sci_types.h"
  23
  24 /**---------------------------------------------------------------------------*
  25  **                             Compiler Flag                                 *
  26  **--------------------------------------------------------------------------*/
  27 #ifdef   __cplusplus
  28 extern   "C"
  29 {
  30 #endif
  31 /**---------------------------------------------------------------------------*
  32 **                               Micro Define                                **
  33 **---------------------------------------------------------------------------*/
  34 typedef enum
  35 {
  36     TIMER_MODE_FREE,
  37     TIMER_MODE_PERIOD,
  38 }TIMER_PHY_MODE_E;
  39
  40 typedef struct
  41 {
  42     TIMER_PHY_MODE_E mode; //work mode
  43     uint32 clk_freq; //frequency of timer
  44     uint32 load_count; //the count which will be load by timer at first, it depends on clk_freq
  45     uint32 irq_op; //enable irq or disable irq
  46 }TIMER_PHY_CONFIG_T;
  47
  48 typedef struct
  49 {
  50     TIMER_PHY_MODE_E mode; //work mode
  51
  52     uint32 clk_freq; //frequency of timer
  53     uint32 max_count; //max load count
  54     uint32 max_us; // max load count transfer to max us
  55     uint32 cnt_per_timeunit; // how many count for one time unit
  56
  57     uint32 current_value; //current count
  58     uint32 running_status; //running or stop
  59     uint32 irq_status; //irq be enabled or disabled
  60 }TIMER_PHY_STATUS_T;
  61
  62 typedef struct
  63 {
  64     int32 (*init)(uint32 timer_id);
  65     int32 (*enable)(uint32 timer_id);
  66     int32 (*disable)(uint32 timer_id);
  67     int32 (*config)(uint32 timer_id, TIMER_PHY_CONFIG_T *timer_config);
  68     int32 (*query)(uint32 timer_id, TIMER_PHY_STATUS_T *timer_status);
  69     int32 (*clr_irq)(uint32 timer_id);
  70     int32 (*reload)(uint32 timer_id);
  71 } TIMER_PHY_OPERATION_T;
  72
  73 /**----------------------------------------------------------------------------*
  74 **                         Symbol Prototype                           **
  75 **----------------------------------------------------------------------------*/
  76 extern TIMER_PHY_STATUS_T timer_phy_status[];
  77
  78 /**----------------------------------------------------------------------------*
  79 **                           Function Prototype                               **
  80 **----------------------------------------------------------------------------*/
  81 PUBLIC TIMER_PHY_OPERATION_T *timer_get_phy_operation(void);
  82
  83 /**----------------------------------------------------------------------------*
  84 **                         Compiler Flag                                      **
  85 **----------------------------------------------------------------------------*/
  86 #ifdef   __cplusplus
  87 }
  88 #endif
  89 /**---------------------------------------------------------------------------*/
  90 #endif
  91 // End