187 lines
6.1 KiB
C
187 lines
6.1 KiB
C
/*
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* File : drv_mmc.h
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* This file is part of gkipc BSP for RT-Thread distribution.
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*
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* Copyright (c) 2017 chengdu goke Microelectronics Co., Ltd.
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* All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Visit http://www.goke.com to get contact with goke.
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*
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* Change Logs:
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* Date Author Notes
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*/
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#ifndef MMC_H_
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#define MMC_H_
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#include "rtdevice.h"
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#define MMC_FEQ_MIN 100000
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#define MMC_FEQ_MAX 50000000
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#define MMC_DMA_DESC_BUFF_SIZE (0x1f00)
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#define MMC_HANDLE_COUNT 2
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#define CARD_UNPLUGED 1
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#define CARD_PLUGED 0
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typedef enum {
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RT_GAPI_SDIO_VERSION = (rt_int32_t)0x00010000 //!< The current driver version
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} RT_SDIO_VersionEnumT;
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typedef enum {
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RT_GAPI_SDIO_TRANSFER_TYPE_NORMAL = 0, //!< Normal transfer type for SD/SDHC/MMC cards (default)
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RT_GAPI_SDIO_TRANSFER_TYPE_DIRECT, //!< Direct transfer mode special for SDIO cards
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RT_GAPI_SDIO_TRANSFER_TYPE_SECURE, //!< Spezial secure transfer mode for SD-Cards
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RT_GAPI_SDIO_TRANSFER_TYPE_WIFI
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} RT_SDIO_TransferTypeEnumT;
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typedef enum rt_card_type
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{
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RT_CARDTYPE_NONE = 0,
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RT_CARDTYPE_MMC,
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RT_CARDTYPE_SD10,
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RT_CARDTYPE_SD20,
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RT_CARDTYPE_SDHC
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}RT_SDIO_Card_Type;
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/*!
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****************************************************************************
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**
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** \brief SDIO callback function signature
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**
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** This is the callback function signature required by the SDIO driver
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** for internally notification functions.
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**
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** \param comState Comunication status.
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** \param optArgPtr Optional arg pointer.
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**
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****************************************************************************
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*/
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typedef void (*RT_SDIO_NotifyFuncT)(rt_uint32_t index, rt_uint32_t comState, void* optArgPtr);
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typedef void (*RT_SDIO_IRQFuncT)();
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typedef void (*RT_SDIO_RESETFuncT)(rt_uint32_t index);
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typedef struct {
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/*!
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The version of the driver.
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\ref GAPI_SDIO_VersionEnumT "GAPI_SDIO_VERSION".
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*/
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RT_SDIO_VersionEnumT version;
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RT_SDIO_TransferTypeEnumT type;
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/*!
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** The handle specific notification function.
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*/
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RT_SDIO_NotifyFuncT notifyFunc;
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RT_SDIO_IRQFuncT irqFunc;
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RT_SDIO_RESETFuncT resetFunc;
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/*!
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** Optional data pointer for the notification function.
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*/
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void* notifyFuncOptPtr;
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/*!
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Flag to request DMA for read/write transfer operation.
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*/
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rt_uint32_t isUseDmaWay;
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}RT_SDIO_OpenParamsT;
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/*cid info */
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typedef struct
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{
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rt_uint8_t MID; /*Manufacturer ID width:8[127:120]*/
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rt_uint16_t OID; /*OEM/Application ID width:16[119:104]*/
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rt_uint8_t PNM[5]; /*Product name width:40[103:64]*/
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rt_uint8_t PRV; /*Product revision width:8[63:56]*/
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rt_uint32_t PSN; /*Product serial number width:32[55:24]*/
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rt_uint16_t MDT; /*Manufacturing date width:12[19:8]*/
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}rtSdioCidInfo;
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/*I just care about usefull info of CSD*/
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typedef struct
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{
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rt_uint8_t csdStructure; /*csd revision*/
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rt_uint32_t classes; /*Describes the card command classes CCC*/
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rt_uint32_t tranSpeed; /*transfer speed*/
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rt_uint8_t eraseBlkEn; /*erase block enable*/
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rt_uint8_t permWriteProtect; /*write protect*/
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rt_uint8_t tmpWriteProtect; /*write protect*/
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}rtSdiocsdInfo;
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/*I just case ablot usefull info of SCR*/
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typedef struct
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{
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rt_uint32_t scrStructure; // SCR Register Structure Version
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rt_uint32_t sdSpec; // Describes the Physical Layer Specification Version supported by the card.
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rt_uint32_t stateaftererase; // Defines the data status after erase, whether it is 0 or 1.
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rt_uint32_t sdSecurity; // Describes the Security Specification Version supported by the card.
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rt_uint32_t sdBusWith; // Describes all the DAT bus widths that are supported by this card.
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}rtSdioScrInfo;
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typedef struct
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{
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rt_uint32_t index; /*index of handle array*/
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rt_uint32_t ocr; /*card volage info*/
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rt_uint32_t csd[4]; /*csd info (invert)*/
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rt_uint32_t read_bl_len;
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rt_uint32_t write_bl_len;
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unsigned long long capacity_user;
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rt_uint32_t sectorcount;
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rt_uint32_t inhighspeed;
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rt_uint32_t maxTransferBlk;
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rt_uint32_t eraseGrpSize;
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rtSdioScrInfo scr;
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rtSdiocsdInfo csdInfo;
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rt_uint32_t tran_speed; /*max transfer speed*/
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rt_uint32_t rca; /*card address*/
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rt_uint32_t cid[4]; /*card cid info*/
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enum rt_card_type type; /*card type*/
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rt_uint32_t highCapacity; /*is high capacity*/
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rtSdioCidInfo cidInfo;
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}rtSdioBlockT;
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/* SDIO specific handle */
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typedef struct
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{
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rt_uint32_t inUse; /* specifies if handle is in use */
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rt_uint32_t index; /*index of handle array*/
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RT_SDIO_OpenParamsT openParams; /* open params of the handle */
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rtSdioBlockT devicePtr; /* pointer to hardware device */
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} rtSdioHandleT;
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typedef struct gk_mmc_driver
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{
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rtSdioHandleT handle;
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RT_SDIO_OpenParamsT openParams;
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struct rt_device *deviceP[MMC_HANDLE_COUNT];
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struct dfs_partition *partP[MMC_HANDLE_COUNT];
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}gk_mmc_driver_s;
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typedef void (*fs_sdio_notify_func_t)(rt_uint32_t index, rt_uint32_t comState, void* optArgPtr);
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int rt_hw_mmc_init(gk_mmc_driver_s *pMmcParams);
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#endif /* MMC_H_ */
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