mcu/driver/devdrv/gpt/src/drv_gpt.c

/*****************************************************************************
*  Copyright Statement:
*  --------------------
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*  permission of MediaTek Inc. (C) 2012
*
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*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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/*******************************************************************************
 * Filename:
 * ---------
 *   drv_gpt.c
 *
 * Project:
 * --------
 *   TATAKA
 *
 * Description:
 * ------------
 *   Low level GPT driver
 *
 * Author:
 * -------
 * -------
 *
 * ==========================================================================
 * $Log$
 *
 * 07 02 2019 yaoyong.ju
 * [MOLY00418290] [VMOLY]Remove IRQ_Register_LISR() and IRQSensitivity() From IRQ Initialization Source Code
 * .Remove IRQ_Restier_LISR and IRQSensitivity API in GPT
 *
 * 04 26 2019 yaoyong.ju
 * [MOLY00399544] [MT6297][Apollo][PreSQC][MP0.5][HQ][MTBF][Lab][Ericsson][ErrorTimes:1][1][core2,vpe1,tc2(vpe7)]Assert fail: drv_gpt.c 287 - (LISR)GPT_DSCC0_Lisr for
 * .
 * 1.Remove the debug info
 * 2.Remove unused code
 *
 * 03 25 2019 yaoyong.ju
 * [MOLY00390408] [MT6297][Apollo][PreSQC][MP0.5][NVIOT][Nokia][Oulu][4G][Overnight]: Assert fail: nicc_ctrl.c 317 - USBCORE
 * .Add the debug info for the MOLY
 *
 * 05 04 2017 way.chen
 * [MOLY00246761] [UMOLYA] Replace PDN API with OF API, Request by PDN owner(Devin )
 * Remove 26M on/off API.
 *
 * 07 06 2016 way.chen
 * [MOLY00185478] [UMOLYA] Check in 93 serial GPT driver
 * Add 26M clock operation.
 *
 * 06 20 2016 way.chen
 * [MOLY00185478] [UMOLYA] Check in 93 serial GPT driver
 * Check in 93 GPT driver.
 *
 * 01 06 2016 way.chen
 * [MOLY00156138] [UMOLY] Patch GPT driver for U4G FPGA
 * Patch GPT Driver for U4G FPGA, the FPGA Start Version is 20151231_u4g_ltel2_elbrus_vivado_2015.
 *
 * 12 10 2013 chin-chieh.hung
 * [MOLY00049464] [Driver][GPT] Add debug GPT, request by MS Lin
 * Add Debug GPT APIs
 *
 * 08 26 2013 chin-chieh.hung
 * [MOLY00011352] [Driver] Update for common devdrv driver
 * remove compiling warning
 *
 * 07 03 2013 chin-chieh.hung
 * [MOLY00027330] [ARM7toMOLY] ARM7 Build/SYSGEN/Functions Update to TRUNK
 * .
 *
 * 05 13 2013 chin-chieh.hung
 * [MOLY00013348] [MT6290 Bring-up] Basic Platform Support
 * MT6290E1_FristCall Branch sync back to MOLY Trunk
 *
 * 04 28 2013 chin-chieh.hung
 * [MOLY00013021] [MT6290 PO admit] Move the LISR context to HISR context
 * LISR 2 HISR support, driver part
 *
 * 04 23 2013 chin-chieh.hung
 * [MOLY00013021] [MT6290 PO admit] Move the LISR context to HISR context
 * MOLY LISR2HISR, Driver part
 ****************************************************************************/

#include "drv_features_gpt.h"
#include "drv_comm.h"

#include "drv_gpt.h"
#include "intrCtrl.h"

#include "dcl.h"
#include "kal_general_types.h"
#include "kal_public_api.h"
#include "sync_data.h"
#if !defined(DRV_GPT_OFF)

/*****************************************************************************
 *						 SYMBOL Definition                                   *
 *****************************************************************************/


/*****************************************************************************
 *						 Global/External Variable                            *
 *****************************************************************************/
static PFN_DCL_CALLBACK pfHGPTCallback[DRV_GPT_TOTAL_COUNTER];
static DCL_EVENT        eHGPTEvent[DRV_GPT_TOTAL_COUNTER];

/*****************************************************************************
 *						 function declaration                                *
 *****************************************************************************/
//function declaration.



/*****************************************************************************
 *						 LISR/HISR/Callback Functions                        *
 *****************************************************************************/
static void drv_default_callback(DCL_EVENT event)
{
	kal_uint32 ASSERT_IN_GPT_DEFAULT_CALLBACK = 0;
	ASSERT(ASSERT_IN_GPT_DEFAULT_CALLBACK); 
	return;
}

/*****************************************************************************
 *						 Basic Driver Implementation						 *
 *****************************************************************************/

/*-----------------------------------------------------------------------*
* FUNCTION                                                            
*	drv_gpt_lisr
*
* DESCRIPTION                                                           
*   	GPT interrupt handler (LISR)
*
* CALLS  
*	It is called when GPT interrupt is coming
*
* PARAMETERS
*	None
*	
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*------------------------------------------------------------------------*/
void drv_gpt_lisr(kal_uint32 v)
{
	ASSERT(MDGPT_INTR_ID(DRV_GPT_BASE_COUNTER_NUM) <= v && v <= MDGPT_INTR_ID(DRV_GPT_TOTAL_COUNTER));
	pfHGPTCallback[MDGPT_INTR_ID2TIMER(v)-1](eHGPTEvent[MDGPT_INTR_ID2TIMER(v)-1]);
}

/*-----------------------------------------------------------------------*
* FUNCTION
*  drv_gpt_reset
*
* DESCRIPTION
*  This function is to reset the hardware GPT module.
*
* PARAMETERS
*	None
*
* RETURNS
*	DCL_STATUS_OK
*
*------------------------------------------------------------------------*/
void drv_gpt_reset(void)
{
	kal_uint32 i;
	for(i = DRV_GPT_BASE_COUNTER_NUM; i <= DRV_GPT_TOTAL_COUNTER; i++)
	{
		DRV_WriteReg32(MDGPT_CTRL_REG(i), 0);
		DRV_WriteReg32(MDGPT_CNT_REG(i), 0xFFFFF);
		DRV_WriteReg32(MDGPT_PSR_REG(i), 0);
		IRQClearInt(MDGPT_INTR_ID(i));
		
		pfHGPTCallback[i-1] = drv_default_callback;
		//IRQUnmask(MDGPT_INTR_ID(i));
	}
}

/*-----------------------------------------------------------------------*
* FUNCTION
*  drv_gpt_set_timer
*
* DESCRIPTION
*  This function is to configure the gpt timer.
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
*------------------------------------------------------------------------*/
void drv_gpt_set_timer(kal_uint32 num, kal_uint32 time, kal_uint32 mode)
{
	ASSERT( (DRV_GPT_BASE_COUNTER_NUM <= num) && (num <= DRV_GPT_TOTAL_COUNTER) && (time <= 0xFFFFFFFUL) );
	DRV_WriteReg32(MDGPT_CNT_REG(num), time);

	mode &= MDGPT_CTRL_MODE_REPEAT | MDGPT_CTRL_MODE_ONESHOT;

	DRV_WriteReg32_NPW(MDGPT_CTRL_REG(num), mode);	//1<<1 enable timer
}

/*-----------------------------------------------------------------------*
* FUNCTION
*  drv_gpt_get_data
*
* DESCRIPTION
*  This function is to get the current data value.
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
*------------------------------------------------------------------------*/
kal_uint32 drv_gpt_get_data(kal_uint32 num)
{
	ASSERT( (DRV_GPT_BASE_COUNTER_NUM <= num) && (num <= DRV_GPT_TOTAL_COUNTER));
	return DRV_Reg32(MDGPT_DATA_REG(num));
}

void drv_gpt_set_data(kal_uint32 num, kal_uint32 time)
{
	ASSERT( (DRV_GPT_BASE_COUNTER_NUM <= num) && (num <= DRV_GPT_TOTAL_COUNTER) && (time <= 0xFFFFFFFUL) );
	DRV_WriteReg32(MDGPT_CNT_REG(num), time);
}

/*-----------------------------------------------------------------------*
* FUNCTION
*  drv_gpt_start_timer
*
* DESCRIPTION
*  This function is to start the gpt timer.
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
*------------------------------------------------------------------------*/
void drv_gpt_start_timer(kal_uint32 num)
{
	unsigned int timer_status;

	ASSERT( (num >= DRV_GPT_BASE_COUNTER_NUM) && (DRV_GPT_TOTAL_COUNTER >= num) );

	timer_status = DRV_Reg32(MDGPT_CTRL_REG(num));

	if( timer_status & MDGPT_CTRL_MODE_ENABLE ){
		//ASSERT(0);
		return;
	} 
	DRV_WriteReg32_NPW(MDGPT_CTRL_REG(num), timer_status | MDGPT_CTRL_MODE_ENABLE);
	Data_Sync_Barrier();
}

/*-----------------------------------------------------------------------*
* FUNCTION
*  drv_gpt_stop_timer
*
* DESCRIPTION
*  This function is to start the gpt timer.
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
*------------------------------------------------------------------------*/
void drv_gpt_stop_timer(kal_uint32 num)
{
	unsigned int timer_status;

	ASSERT( (num >= DRV_GPT_BASE_COUNTER_NUM) && (DRV_GPT_TOTAL_COUNTER >= num) );

	timer_status = DRV_Reg32(MDGPT_CTRL_REG(num));

	DRV_WriteReg32_NPW(MDGPT_CTRL_REG(num), timer_status & (~MDGPT_CTRL_MODE_ENABLE));
	Data_Sync_Barrier();
}

kal_uint32 drv_gpt_get_version(void)
{
	return DRV_Reg32(MDGPT_BASE);
}

#if 0
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#endif

#else /*!defined(DRV_GPT_OFF)*/

#endif /*!defined(DRV_GPT_OFF)*/

void startSystemTimer(void){
	IRQUnmask(MDGPT_INTR_ID(DRV_GPT_SYSTEM_TIMER));
	drv_gpt_start_timer(DRV_GPT_SYSTEM_TIMER);
}