SDHostCC32XX.h

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/*
 * Copyright (c) 2016-2017, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * 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.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    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 LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ti_drivers_sd_SDHostCC32XX__include
#define ti_drivers_sd_SDHostCC32XX__include

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
#include <ti/drivers/SD.h>

#include <ti/drivers/dpl/HwiP.h>
#include <ti/drivers/dpl/SemaphoreP.h>
#include <ti/drivers/Power.h>
#include <ti/drivers/power/PowerCC32XX.h>
#include <ti/drivers/dma/UDMACC32XX.h>

#define SDHostCC32XX_PIN_06_SDCARD_DATA  0x0805
#define SDHostCC32XX_PIN_07_SDCARD_CLK   0x0806
#define SDHostCC32XX_PIN_08_SDCARD_CMD   0x0807
#define SDHostCC32XX_PIN_01_SDCARD_CLK   0x0600
#define SDHostCC32XX_PIN_02_SDCARD_CMD   0x0601
#define SDHostCC32XX_PIN_64_SDCARD_DATA  0x063f

/* SDHost function table */
extern const SD_FxnTable sdHostCC32XX_fxnTable;

typedef struct SDHostCC32XX_HWAttrsV1 {
    uint_fast32_t clkRate;

    int_fast32_t intPriority;

    uint_fast32_t baseAddr;

    unsigned long rxChIdx;

    unsigned long txChIdx;

    uint32_t dataPin;

    uint32_t cmdPin;

    uint32_t clkPin;
} SDHostCC32XX_HWAttrsV1;

typedef struct SDHostCC32XX_Object {
    /* Relative Card Address */
    uint_fast32_t              rca;
    /* Write data pointer */
    const uint_fast32_t       *writeBuf;
    /* Number of sectors written */
    volatile uint_fast32_t     writeSecCount;
    /* Read data pointer */
    uint_fast32_t             *readBuf;
    /* Number of sectors read */
    volatile uint_fast32_t     readSecCount;
    /*
     *  Semaphore to suspend thread execution when waiting for SD Commands
     *  or data transfers to complete.
     */
    SemaphoreP_Handle      cmdSem;
    /*
     *  SD Card interrupt handle.
     */
    HwiP_Handle            hwiHandle;
    /* Determined from base address */
    unsigned int           powerMgrId;
    /* LPDS wake-up notify object */
    Power_NotifyObj        postNotify;
    /* Previous park state SDCARD_CLK pin */
    PowerCC32XX_ParkState  prevParkCLK;
    /* SDCARD_CLK pin */
    uint16_t               clkPin;
    /* UDMA Handle */
    UDMACC32XX_Handle      dmaHandle;
    /* SD Card command state */
    volatile int_fast8_t   stat;
    /* State of the driver (open or closed) */
    bool                   isOpen;
    /* SDCard Card Command Class(CCC) */
    SD_CardType            cardType;
} SDHostCC32XX_Object;

#ifdef __cplusplus
}
#endif

#endif /* ti_drivers_sd_SDHostCC32XX__include */