104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
/*
|
||
* Copyright : (C) 2022 Phytium Information Technology, Inc.
|
||
* All Rights Reserved.
|
||
*
|
||
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
|
||
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
|
||
* either version 1.0 of the License, or (at your option) any later version.
|
||
*
|
||
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
|
||
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
* See the Phytium Public License for more details.
|
||
*
|
||
*
|
||
* FilePath: fpwm_intr.c
|
||
* Date: 2022-02-10 14:53:42
|
||
* LastEditTime: 2022-02-25 11:45:05
|
||
* Description: This files is for
|
||
*
|
||
* Modify History:
|
||
* Ver Who Date Changes
|
||
* ----- ------ -------- --------------------------------------
|
||
*/
|
||
#include "fparameters.h"
|
||
#include "fassert.h"
|
||
#include "finterrupt.h"
|
||
#include "fpwm.h"
|
||
#include "fpwm_hw.h"
|
||
|
||
#define FT_PWM_DEBUG_TAG "FT_PWM_INTR"
|
||
#define FPWM_DEBUG(format, ...) FT_DEBUG_PRINT_D(FT_PWM_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
#define FPWM_INFO(format, ...) FT_DEBUG_PRINT_I(FT_PWM_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
#define FPWM_WARN(format, ...) FT_DEBUG_PRINT_W(FT_PWM_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
#define FPWM_ERROR(format, ...) FT_DEBUG_PRINT_E(FT_PWM_DEBUG_TAG, format, ##__VA_ARGS__)
|
||
|
||
#define FPWM_CALL_INTR_EVENT_HANDLDER(instance_p, event) \
|
||
if (instance_p->event_handler[event]) \
|
||
instance_p->event_handler[event](instance_p->event_param[event])
|
||
|
||
/**
|
||
* @name: FPwmRegisterInterruptHandler
|
||
* @msg: register FPwm interrupt handler function
|
||
* @param {FPwm} *instance_p, pointer to the pwm instance
|
||
* @param {FPwmIntrEvtType} event_type, interrupt event type
|
||
* @param {FPwmEvtHandler} handler, interrupt event handler
|
||
* @param {void} *param, contains a pointer to the driver instance
|
||
* @return {*}
|
||
*/
|
||
void FPwmRegisterInterruptHandler(FPwmCtrl *instance_p, FPwmIntrEventType event_type, FPwmIntrEventHandler handler, void *param)
|
||
{
|
||
FASSERT(instance_p);
|
||
FASSERT(event_type < FPWM_INTR_EVENT_NUM);
|
||
instance_p->event_handler[event_type] = handler;
|
||
instance_p->event_param[event_type] = param;
|
||
}
|
||
|
||
/**
|
||
* @name: FPwmIntrHandler
|
||
* @msg: This function is the interrupt handler for the driver.
|
||
* It must be connected to an interrupt system by the application such that it
|
||
* can be called when an interrupt occurs.
|
||
* @param vector Irq num ,Don't need attention .
|
||
* @param args contains a pointer to the driver instance
|
||
*/
|
||
void FPwmIntrHandler(s32 vector, void *args)
|
||
{
|
||
u32 status;
|
||
static int i = 0;
|
||
FPwmCtrl *pctrl = (FPwmCtrl *)args;
|
||
|
||
FASSERT(pctrl != NULL);
|
||
FASSERT(pctrl->is_ready == FT_COMPONENT_IS_READY);
|
||
uintptr pwm_base_addr = 0;
|
||
u8 channel = 0;
|
||
|
||
for (channel = 0; channel < FPWM_MODE_CHANNEL; channel++)
|
||
{
|
||
pwm_base_addr = pctrl->config.pwm_base_addr + FPWM_N(channel);
|
||
|
||
status = FPWM_READ_REG32(pwm_base_addr, FPWM_CTRL_OFFSET);
|
||
if (!(status & (FPWM_CTRL_INTR_COUNTER_ENABLE | FPWM_CTRL_INTR_FIFO_EMPTY_ENABLE)))
|
||
continue;
|
||
|
||
status = FPWM_READ_REG32(pwm_base_addr, FPWM_STATE_OFFSET);
|
||
if (0 == status)
|
||
continue;
|
||
|
||
/* Check for the type of error interrupt and Processing it */
|
||
if (status & FPWM_STATE_OVFIF_COUNTER)
|
||
{
|
||
status &= (~FPWM_STATE_OVFIF_COUNTER);
|
||
FPWM_SETBIT(pwm_base_addr, FPWM_STATE_OFFSET, FPWM_STATE_COUNTER_CLEAR);
|
||
FPWM_CALL_INTR_EVENT_HANDLDER(pctrl, FPWM_INTR_EVENT_COUNTER);
|
||
}
|
||
|
||
if (status & FPWM_STATE_FIFO_EMPTY)
|
||
{
|
||
FPWM_SETBIT(pwm_base_addr, FPWM_STATE_OFFSET, FPWM_STATE_FIFO_EMPTY);
|
||
FPWM_CALL_INTR_EVENT_HANDLDER(pctrl, FPWM_INTR_EVENT_FIFO_EMPTY);
|
||
}
|
||
}
|
||
|
||
}
|
||
|