156 lines
5.6 KiB
C
156 lines
5.6 KiB
C
/*
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* Copyright : (C) 2022 Phytium Information Technology, Inc.
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* All Rights Reserved.
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*
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* This program is OPEN SOURCE software: you can redistribute it and/or modify it
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* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
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* either version 1.0 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the Phytium Public License for more details.
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*
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*
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* FilePath: fgdma_intr.c
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* Date: 2022-05-16 17:01:48
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* LastEditTime: 2022-05-16 17:01:49
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* Description: This files is for interrupt api implmentation
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*
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* Modify History:
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* Ver Who Date Changes
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* ----- ------ -------- --------------------------------------
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* 1.0 huanghe 2021-11-5 init commit
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* 1.1 zhugengyu 2022-5-16 modify according to tech manual.
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*/
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/***************************** Include Files *********************************/
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#include <string.h>
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#include "fdebug.h"
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#include "fassert.h"
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#include "fgdma_hw.h"
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#include "fgdma.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/************************** Variable Definitions *****************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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#define FGDMA_DEBUG_TAG "GDMA-INTR"
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#define FGDMA_ERROR(format, ...) FT_DEBUG_PRINT_E(FGDMA_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FGDMA_WARN(format, ...) FT_DEBUG_PRINT_W(FGDMA_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FGDMA_INFO(format, ...) FT_DEBUG_PRINT_I(FGDMA_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FGDMA_DEBUG(format, ...) FT_DEBUG_PRINT_D(FGDMA_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FGDMA_CALL_EVT_HANDLER(express, dma_chan, args) \
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do \
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{ \
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if (express) \
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{ \
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express(dma_chan, args); \
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} \
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} while (0)
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/************************** Function Prototypes ******************************/
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/**
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* @name: FGdmaChanIrqHandler
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* @msg: GDMA通道中断处理函数
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* @return {void} 无
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* @param {FGdmaChan} *chan_p, GDMA通道实例
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*/
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static void FGdmaChanIrqHandler(FGdmaChan *const chan_p)
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{
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FGdma *const instance_p = chan_p->gdma;
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FASSERT(instance_p);
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uintptr base_addr = instance_p->config.base_addr;
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u32 chan_status = FGdmaReadChanStatus(base_addr, chan_p->config.chan_id);
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if (FGDMA_CHX_INT_STATE_BUSY & chan_status)
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{
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FGDMA_CALL_EVT_HANDLER(chan_p->evt_handlers[FGDMA_CHAN_EVT_BUSY],
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chan_p, chan_p->evt_handler_args[FGDMA_CHAN_EVT_BUSY]);
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}
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if (FGDMA_CHX_INT_STATE_TRANS_END & chan_status)
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{
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FGDMA_CALL_EVT_HANDLER(chan_p->evt_handlers[FGDMA_CHAN_EVT_TRANS_END],
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chan_p, chan_p->evt_handler_args[FGDMA_CHAN_EVT_TRANS_END]);
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}
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if (FGDMA_CHX_INT_STATE_BDL_END & chan_status)
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{
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FGDMA_CALL_EVT_HANDLER(chan_p->evt_handlers[FGDMA_CHAN_EVT_BDL_END],
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chan_p, chan_p->evt_handler_args[FGDMA_CHAN_EVT_BDL_END]);
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}
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if (FGDMA_CHX_INT_STATE_FIFO_FULL & chan_status)
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{
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FGDMA_CALL_EVT_HANDLER(chan_p->evt_handlers[FGDMA_CHAN_EVT_FIFO_FULL],
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chan_p, chan_p->evt_handler_args[FGDMA_CHAN_EVT_FIFO_FULL]);
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}
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if (FGDMA_CHX_INT_STATE_FIFO_EMPTY & chan_status)
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{
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FGDMA_CALL_EVT_HANDLER(chan_p->evt_handlers[FGDMA_CHAN_EVT_FIFO_EMPTY],
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chan_p, chan_p->evt_handler_args[FGDMA_CHAN_EVT_FIFO_EMPTY]);
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}
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FGdmaClearChanStatus(base_addr, chan_p->config.chan_id, chan_status);
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return;
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}
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/**
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* @name: FGdmaIrqHandler
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* @msg: GDMA中断处理函数
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* @return {void} 无
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* @param {s32} vector, 中断号
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* @param {void} *args, 中断参数
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*/
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void FGdmaIrqHandler(s32 vector, void *args)
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{
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FASSERT(args);
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FGdma *const instance_p = (FGdma * const)args;
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FASSERT(FT_COMPONENT_IS_READY == instance_p->is_ready);
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uintptr base_addr = instance_p->config.base_addr;
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u32 chan_id;
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u32 status = FGdmaReadStatus(base_addr);
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FGDMA_INFO("status: 0x%x", status);
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FGdmaIrqDisable(base_addr);
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for (chan_id = FGDMA_CHAN0_INDEX; chan_id < FGDMA_NUM_OF_CHAN; chan_id++)
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{
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if (!(FGDMA_CHX_INTR_STATE(chan_id) & status))
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continue;
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/* channel interrupt happens */
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FASSERT_MSG((NULL != instance_p->chans[chan_id]), "invalid chan interrupt event !!!");
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FGdmaChanIrqHandler(instance_p->chans[chan_id]);
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}
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FGdmaIrqEnable(base_addr);
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return;
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}
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/**
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* @name: FGdmaChanRegisterEvtHandler
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* @msg: 注册GDMA通道事件回调函数
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* @return {void} 无
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* @param {FGdmaChan} *chan_p, GDMA通道实例
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* @param {FGdmaChanEvtType} evt, 通道事件
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* @param {FGdmaChanEvtHandler} handler, 事件回调函数
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* @param {void} *handler_arg, 事件回调函数输入参数
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*/
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void FGdmaChanRegisterEvtHandler(FGdmaChan *const chan_p, FGdmaChanEvtType evt,
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FGdmaChanEvtHandler handler, void *handler_arg)
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{
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FASSERT(chan_p);
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FASSERT(FGDMA_CHAN_NUM_OF_EVT > evt);
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chan_p->evt_handlers[evt] = handler;
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chan_p->evt_handler_args[evt] = handler_arg;
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return;
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} |