226 lines
7.9 KiB
C
226 lines
7.9 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: fsdio_intr.c
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* Date: 2022-06-01 15:08:58
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* LastEditTime: 2022-06-01 15:08:58
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* Description: This file is for SDIO interrupt related function implementation
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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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* 1.1 zhugengyu 2022/6/6 modify according to tech manual.
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*/
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/***************************** Include Files *********************************/
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#include "fio.h"
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#include "fdebug.h"
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#include "fassert.h"
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#include "ftypes.h"
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#include "fsdio_hw.h"
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#include "fsdio.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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#define FSDIO_DEBUG_TAG "FSDIO-INTR"
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#define FSDIO_ERROR(format, ...) FT_DEBUG_PRINT_E(FSDIO_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSDIO_WARN(format, ...) FT_DEBUG_PRINT_W(FSDIO_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSDIO_INFO(format, ...) FT_DEBUG_PRINT_I(FSDIO_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSDIO_DEBUG(format, ...) FT_DEBUG_PRINT_D(FSDIO_DEBUG_TAG, format, ##__VA_ARGS__)
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#define FSDIO_CALL_EVT_HANDLER(instance_p, evt, status, dmac_status) \
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if (instance_p->evt_handlers[evt]) \
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{ \
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instance_p->evt_handlers[evt](instance_p, instance_p->evt_args[evt], status, dmac_status); \
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}
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static const u32 cmd_err_ints_mask = FSDIO_INT_RTO_BIT | FSDIO_INT_RCRC_BIT | FSDIO_INT_RE_BIT |
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FSDIO_INT_DCRC_BIT | FSDIO_INT_DRTO_BIT |
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FSDIO_INT_SBE_BCI_BIT;
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static const u32 dmac_err_ints_mask = FSDIO_DMAC_INT_ENA_FBE | FSDIO_DMAC_INT_ENA_DU |
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FSDIO_DMAC_INT_ENA_NIS | FSDIO_DMAC_INT_ENA_AIS;
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/************************** Function Prototypes ******************************/
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/*****************************************************************************/
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/**
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* @name: FSdioGetInterruptMask
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* @msg: Get SDIO controller interrupt mask
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* @return {u32} interrupt mask bits
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* @param {FSdio} *instance_p, SDIO controller instance
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* @param {FSdioIntrType} type, Type of interrupt, controller/DMA interrupt
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*/
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u32 FSdioGetInterruptMask(FSdio *const instance_p, FSdioIntrType type)
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{
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FASSERT(instance_p);
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uintptr base_addr = instance_p->config.base_addr;
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u32 mask = 0U;
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if (0 == instance_p->config.base_addr)
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{
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FSDIO_ERROR("Device is not yet initialized!!!");
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return mask;
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}
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if (FSDIO_GENERAL_INTR == type)
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{
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mask = FSDIO_READ_REG(base_addr, FSDIO_INT_MASK_OFFSET);
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}
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else
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{
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mask = FSDIO_READ_REG(base_addr, FSDIO_DMAC_INT_EN_OFFSET);
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}
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return mask;
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}
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/**
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* @name: FSdioSetInterruptMask
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* @msg: Enable/Disable SDIO controller interrupt
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* @return {NONE}
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* @param {FSdio} *instance_p, SDIO controller instance
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* @param {FSdioIntrType} type, Type of interrupt, controller/DMA interrupt
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* @param {u32} set_mask, interrupt mask bits
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* @param {boolean} enable, TRUE: enable interrupt mask bits
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*/
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void FSdioSetInterruptMask(FSdio *const instance_p, FSdioIntrType type, u32 set_mask, boolean enable)
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{
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FASSERT(instance_p);
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uintptr base_addr = instance_p->config.base_addr;
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u32 mask = 0U;
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if (0 == instance_p->config.base_addr)
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{
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FSDIO_ERROR("Device is not yet initialized!!!");
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return;
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}
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mask = FSdioGetInterruptMask(instance_p, type);
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if (TRUE == enable)
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{
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mask |= set_mask;
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}
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else
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{
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mask &= ~set_mask;
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}
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if (FSDIO_GENERAL_INTR == type)
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{
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FSDIO_WRITE_REG(base_addr, FSDIO_INT_MASK_OFFSET, mask);
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}
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else
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{
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FSDIO_WRITE_REG(base_addr, FSDIO_DMAC_INT_EN_OFFSET, mask);
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}
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return;
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}
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/**
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* @name: FSdioInterruptHandler
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* @msg: Interrupt handler for SDIO instance
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* @return {NONE}
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* @param {s32} vector, Interrupt id
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* @param {void} *param, Interrupt params, is SDIO instance
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*/
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void FSdioInterruptHandler(s32 vector, void *param)
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{
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FASSERT(param);
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FSdio *const instance_p = (FSdio * const)param;
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uintptr base_addr = instance_p->config.base_addr;
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u32 events, event_mask, dmac_events, dmac_evt_mask;
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events = FSDIO_READ_REG(base_addr, FSDIO_RAW_INTS_OFFSET);
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dmac_events = FSDIO_READ_REG(base_addr, FSDIO_DMAC_STATUS_OFFSET);
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event_mask = FSDIO_READ_REG(base_addr, FSDIO_INT_MASK_OFFSET);
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dmac_evt_mask = FSDIO_READ_REG(base_addr, FSDIO_DMAC_INT_EN_OFFSET);
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if (!(events & FSDIO_INT_ALL_BITS) &&
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!(dmac_events & FSDIO_DMAC_STATUS_ALL_BITS))
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{
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FSDIO_DEBUG("irq exit with no action.");
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return; /* no interrupt status */
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}
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FSDIO_WRITE_REG(base_addr, 0xfd0U, 0U);
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FSDIO_DEBUG("events:0x%x,mask:0x%x,dmac_events:%x,dmac_mask:0x%x", events, event_mask, dmac_events, dmac_evt_mask);
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/* clear interrupt status */
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FSDIO_WRITE_REG(base_addr, FSDIO_RAW_INTS_OFFSET, events);
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FSDIO_WRITE_REG(base_addr, FSDIO_DMAC_STATUS_OFFSET, dmac_events);
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if (((events & event_mask) == 0) &&
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((dmac_events & dmac_evt_mask == 0)))
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{
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return; /* no need to handle interrupt */
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}
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/* handle card detect event */
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if (((events & event_mask) & FSDIO_INT_CD_BIT) && (FALSE == instance_p->config.non_removable))
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{
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FSDIO_DEBUG("sd status changed here ! status:[%d]", FSDIO_READ_REG(base_addr, FSDIO_CARD_DETECT_OFFSET));
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FSDIO_CALL_EVT_HANDLER(instance_p, FSDIO_EVT_CARD_DETECTED, events, dmac_events);
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}
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/* handle error state */
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if ((dmac_events & dmac_err_ints_mask) || (events & cmd_err_ints_mask))
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{
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FSDIO_ERROR("ERR:events:0x%x,mask:0x%x,dmac_evts:0x%x,dmac_mask:0x%x",
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events, event_mask, dmac_events, dmac_evt_mask);
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FSDIO_CALL_EVT_HANDLER(instance_p, FSDIO_EVT_ERR_OCCURE, events, dmac_events);
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}
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if ((events & FSDIO_INT_DTO_BIT) && (events & FSDIO_INT_CMD_BIT)) /* handle cmd && data done */
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{
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FSDIO_DEBUG("Cmd and data over !!!");
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FSDIO_CALL_EVT_HANDLER(instance_p, FSDIO_EVT_CMD_DONE, events, dmac_events);
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FSDIO_CALL_EVT_HANDLER(instance_p, FSDIO_EVT_DATA_DONE, events, dmac_events);
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}
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else if (events & FSDIO_INT_CMD_BIT) /* handle cmd done */
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{
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FSDIO_DEBUG("Cmd over !!!");
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FSDIO_CALL_EVT_HANDLER(instance_p, FSDIO_EVT_CMD_DONE, events, dmac_events);
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}
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else if (events & FSDIO_INT_DTO_BIT) /* handle data done */
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{
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FSDIO_DEBUG("Data over !!!");
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FSDIO_CALL_EVT_HANDLER(instance_p, FSDIO_EVT_DATA_DONE, events, dmac_events);
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}
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return;
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}
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/**
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* @name: FSdioRegisterEvtHandler
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* @msg: Register event call-back function as handler for interrupt events
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* @return {NONE}
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* @param {FSdio} *instance_p, SDIO controller instance
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* @param {FSdioEvtType} evt, interrupt event
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* @param {FSdioEvtHandler} handler, event call-back function
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* @param {void} *handler_arg, argument of event call-back function
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*/
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void FSdioRegisterEvtHandler(FSdio *const instance_p, FSdioEvtType evt, FSdioEvtHandler handler, void *handler_arg)
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{
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FASSERT(instance_p);
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instance_p->evt_handlers[evt] = handler;
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instance_p->evt_args[evt] = handler_arg;
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} |