rtc.c

8032底层驱动部分。因为可以移植 所以单独来拿出来

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *    rtc.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines the RTC driver.
 *
 * Author:
 * -------
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================
 ****************************************************************************/
#include 	"kal_release.h"
#include 	"stack_common.h"  
#include 	"stack_msgs.h"
#include 	"app_ltlcom.h"       /* Task message communiction */
#include 	"drv_comm.h"
#include    "drvsignals.h"
#include 	"reg_base.h"
#include 	"rtc_hw.h"
#include 	"rtc_sw.h"
#include 	"intrCtrl.h"
#include	   "stack_ltlcom.h"       /*msg_send_ext_queue.....definitions*/
#include	   "stack_config.h"        /*MOD_UART1_HISR,MOD_UART2_HISR*/
#include    "drv_hisr.h"
#ifdef __MULTI_BOOT__
#include "kal_release.h"
#include "syscomp_config.h"
#include "multiboot_config.h"
#endif   /*__MULTI_BOOT__*/
//#include    "l1_core_private.h"
/*#define  RTC_Test*/

static rtc_callbac RTC_CALLBAC;
static rtc_module  RTCConfig;
static kal_bool    First_PowerOn=KAL_FALSE;/*use a static variable to recode is this first power on*/
/*for rtc calibration*/
kal_timerid   rtc_timer_id=0;
void rtc_timer(void *timer_param); 
void rtc_cali_init(void *timer_param);
void rtc_get_next_time(void);
#define rtc_cali_period (1)/*hour*/ 
#define rtc_cali_tick_value (13000*60*rtc_cali_period)
//#define rtc_tick_update_interval 1300
#define rtc_tick_update_interval 217/*1300/6 = 216 and 2/3*/
//#define rtc_sec_update_interval 6/*1300*120/26*/
#define rtc_sec_update_interval 1
t_rtc next_current_time;
kal_uint32 next_frame_tick, diff_frame_tick, tick_left=0;
kal_uint16 one_third_tick_count = 0; /* 217 - 216and2/3 = 1/3. The counts for the 1/3. */
//extern void dbg_print(char *fmt,...);
#ifdef RTC_Test
void RTC_delay(void)
{
	kal_uint16 i;
	for (i=0;i<2000;i++);
}
#endif

void RTC_setBBPU(kal_uint16 data)
{
   data &= 0x00ff;
   data |= 0x4300;
   DRV_WriteReg(RTC_BBPU,data);
}

/*
* FUNCTION                                                            
*	isPWROnByRTC
*
* DESCRIPTION                                                           
*   	This function is to check whether "power on" is due to RTC.
*
* CALLS  
*	It is called to check whether "power on" is due to RTC.
*
* PARAMETERS
*	None
*	
* RETURNS
*	KAL_TRUE: "Power on" is due to RTC.
*	KAL_FALSE: "Power on" is not due to RTC.
*
* GLOBALS AFFECTED
*   external_global
*/
kal_bool isPWROnByRTC(void)
{
#if ( (defined(MT6205)) || (defined(MT6208)) || (defined(FPGA)) )
	kal_uint16 BBPU;
	kal_uint16 POLAR;
	kal_uint16 PWRSW;
	BBPU = DRV_Reg(RTC_BBPU);
	POLAR = BBPU & RTC_BBPU_PWR_POLARITY;
	POLAR >>= 1;
	PWRSW = BBPU & RTC_BBPU_PWR_SW;
	PWRSW >>= 4;
	
	if (POLAR == PWRSW)
	{
		return KAL_TRUE;
	}
	else
	{
		return KAL_FALSE;
	}
#endif   /*MT6205,MT6208,FPGA*/

#if ( (defined(MT6205B))||defined(MT6226M) || (defined(MT6218)) || (defined(MT6218B))|| (defined(MT6219)) ||(defined(MT6217))||(defined(MT6228))|| defined(MT6229) || defined(MT6230)|| (defined(MT6226))|| (defined(MT6227)) )
   if (DRV_Reg(RTC_BBPU) & RTC_BBPU_PWR_SW)
      return KAL_TRUE;
   else
      return KAL_FALSE;
#endif   /*MT6205B,MT6218, MT6218B, MT6219, MT6217, MT6228, MT6229*/
}
//=================================================================
/*
* FUNCTION                                                            
*	RTC_IRQOneShotEnable
*
* DESCRIPTION                                                           
*   	This function is to setup that RTC interrupt is at oneshot mode
*	or at automatic reset mode. 
*
* CALLS  
*	It is called to setup that RTC interrupt is at oneshot mode
*	or at automatic reset mode. 
*
* PARAMETERS
*	oneShotEN:
*     ONE_SHOT_DIS, automatic reset mode
*     ONE_SHOT_EN, one shot mode
*	
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
void RTC_IRQOneShotEnable(kal_uint8 oneShotEN)
{
	if (oneShotEN == ONE_SHOT_DIS)
	{
		DRV_Reg(RTC_IRQ_EN) &= ~RTC_IRQ_EN_ONESHOT;
	}
	else
	{
		DRV_Reg(RTC_IRQ_EN) |= RTC_IRQ_EN_ONESHOT;
	}
}
//=================================================================
/*
* FUNCTION                                                            
*	RTC_Config
*
* DESCRIPTION                                                           
*   	Configure the RTC interrupt 
*
* CALLS  
*	This function is called to enable RTC interrupt
*
* PARAMETERS
*	AL_EN:
*		AL_EN_None: Alarm interrupt is disable.
*		AL_EN_bySEC: Alarm interrupt is issued by second.
*		AL_EN_byMIN: Alarm interrupt is issued by minute.
*	TC_EN:
*		TC_EN_None: TC interrupt is disable
*		TC_EN_bySEC: TC interrupt is issued by second.
*		TC_EN_byMIN: TC interrupt is issued by minute.
*	
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
void RTC_Config(kal_uint8 AL_EN,kal_uint8 TC_EN)
{
	kal_uint16 tmp;
	kal_uint16 BBPU;
	tmp = DRV_Reg(RTC_IRQ_EN);
	tmp &=~RTC_IRQ_EN_ONESHOT;
	BBPU = DRV_Reg(RTC_BBPU);

	switch(AL_EN)
	{
		case AL_EN_None:
			tmp &= ~RTC_IRQ_EN_AL; 		/*RTC_ALIRQEnable(KAL_FALSE);*/
			BBPU &=~(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
		
		case AL_EN_ChkS:
			tmp |= RTC_IRQ_EN_AL;
			DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_SEC));
			BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
		
		case AL_EN_ChkMS:
			tmp |= RTC_IRQ_EN_AL;
			DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_MIN));
			BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
      
      case AL_EN_ChkHMS:
         tmp |= RTC_IRQ_EN_AL;
         DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_HOU));
         BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
	   
	   case AL_EN_ChkDHMS:
	      tmp |= RTC_IRQ_EN_AL;
	      DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_DOM));
	      BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
		
		case AL_EN_ChkWHMS:
		   tmp |= RTC_IRQ_EN_AL;
		   DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_DOW));
		   BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
			
	   case AL_EN_ChkMDHMS:
	      tmp |= RTC_IRQ_EN_AL;
	      DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_MTH));
	      BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
			
	   case AL_EN_ChkYMDHMS:
	      tmp |= RTC_IRQ_EN_AL;
	      DRV_WriteReg(RTC_AL_MASK,(~RTC_AL_MASK_YEA));
	      BBPU |=(RTC_BBPU_ALARM_SW);/*0227 TY adds*/
			break;
			
	   case AL_EN_NoChange:
	      break;

		default:
			break;
	}

	switch(TC_EN)
	{
		case TC_EN_None:
			tmp &= ~RTC_IRQ_EN_TC;
			break;
		
		case TC_EN_ChkS: