mmcsd.h

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/*
 *  Copyright (C) 2022-2025 Texas Instruments Incorporated
 *
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 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *    Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *    Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
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 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef MMCSD_H_
#define MMCSD_H_
 
/* ========================================================================== */
/*                             Include Files                                  */
/* ========================================================================== */
 
#include <stdint.h>
#include <kernel/dpl/SystemP.h>
#include <kernel/dpl/SemaphoreP.h>
#include <kernel/dpl/HwiP.h>
#include <drivers/hw_include/csl_types.h>
#include <drivers/hw_include/cslr_mmcsd.h>
#include <drivers/mmcsd/v1/lld/mmcsd_lld.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ========================================================================== */
/*                           Macros & Typedefs                                */
/* ========================================================================== */
 
#define MMCSD_MODE_BLOCKING                       ((uint32_t) 0U)
#define MMCSD_MODE_CALLBACK                       ((uint32_t) 1U)
 
struct MMCSD_Config_s;
 
typedef struct MMCSD_Config_s* MMCSD_Handle;
 
/* ========================================================================== */
/*                      Function Pointers Declarations                        */
/* ========================================================================== */
 
typedef void (*MMCSD_txnCallbackFxn) (MMCSD_Handle mmcsdHandle,
                                      int32_t transferStatus);
 
/* ========================================================================== */
/*                         Structures and Enums                               */
/* ========================================================================== */
 
typedef struct
{
    /* Pointer to eMMC/SD device data structure. Memory for this structure
    has to be allocated in application */
    void                    *deviceData;
    /*  Pointer to a 512 byte dataBuffer used for temporary data transactions
     *  internal to driver like ECSD read, tuning etc.
     *  To be allocated by application */
    uint8_t                 *dataBuf;
    uint32_t                edmaInst;
    uint8_t                 transferMode;
    MMCSD_txnCallbackFxn    txnCallbackFxn;
 
} MMCSD_Params;
 
typedef struct
{
    uint32_t                baseAddr;
    uint32_t                inputClk;
    bool                    enableDma;
    bool                    intrEnable;
    uint32_t                intrPriority;
    uint32_t                intrNum;
    uint32_t                eventId;
    uint32_t                cardType;
    uint32_t                busWidth;
    bool                    autoAssignMaxSpeed;
    uint32_t                uaBusSpeed;
} MMCSD_Attrs;
 
typedef struct
{
    uint32_t                cardType;
    bool                    isOpen;
    SemaphoreP_Object       mutex;
    SemaphoreP_Object       xferCompleteSemObj;
    HwiP_Object             hwiObj;
    MMCSDLLD_Object         mmcsdLldObject;
    MMCSDLLD_Handle         mmcsdLldHandle;
    MMCSDLLD_InitObject     mmcsdLldInitObject;
    uint32_t                transferMode;
    MMCSD_txnCallbackFxn    txnCallbackFxn;
} MMCSD_Object;
 
typedef struct MMCSD_Config_s
{
    MMCSD_Attrs             *attrs;
    MMCSD_Object            *object;
} MMCSD_Config;
 
/* ========================================================================== */
/*                                Externs                                     */
/* ========================================================================== */
 
extern MMCSD_Config         gMmcsdConfig[];
extern uint32_t             gMmcsdConfigNum;
 
/* ========================================================================== */
/*                  Internal/Private Structure Declarations                   */
/* ========================================================================== */
 
/* ========================================================================== */
/*                       Function Declarations                                */
/* ========================================================================== */
 
void MMCSD_init(void);
 
void MMCSD_deinit(void);
 
void MMCSD_Params_init(MMCSD_Params *mmcsdParams);
 
MMCSD_Handle MMCSD_open(uint32_t index, const MMCSD_Params *openParams);
 
void MMCSD_close(MMCSD_Handle handle);
 
MMCSD_Handle MMCSD_getHandle(uint32_t index);
 
int32_t MMCSD_read(MMCSD_Handle handle, uint8_t *buf, uint32_t startBlk, uint32_t numBlks);
 
int32_t MMCSD_write(MMCSD_Handle handle, uint8_t *buf, uint32_t startBlk, uint32_t numBlks);
 
uint32_t MMCSD_getBlockSize(MMCSD_Handle handle);
 
uint32_t MMCSD_getBlockCount(MMCSD_Handle handle);
 
#ifdef __cplusplus
}
#endif
 
#endif /* MMCSD_H_ */