root/sys/dev/mmc/mmc_helpers.h
/*
 * Copyright 2019 Emmanuel Vadot <manu@freebsd.org>
 * Copyright (c) 2017 Ian Lepore <ian@freebsd.org> All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 _MMC_HELPERS_H_
#define _MMC_HELPERS_H_

#include <dev/gpio/gpiobusvar.h>

#include <dev/regulator/regulator.h>

struct mmc_helper {
        device_t                dev;
        gpio_pin_t              wp_pin;
        gpio_pin_t              cd_pin;
        void *                  cd_ihandler;
        struct resource *       cd_ires;
        int                     cd_irid;
        void                    (*cd_handler)(device_t, bool);
        struct timeout_task     cd_delayed_task;
        bool                    cd_disabled;
        bool                    wp_disabled;
        bool                    cd_present;
        uint32_t                props;
#define MMC_PROP_BROKEN_CD      (1 << 0)
#define MMC_PROP_NON_REMOVABLE  (1 << 1)
#define MMC_PROP_WP_INVERTED    (1 << 2)
#define MMC_PROP_CD_INVERTED    (1 << 3)
#define MMC_PROP_DISABLE_WP     (1 << 4)
#define MMC_PROP_NO_SDIO        (1 << 5)
#define MMC_PROP_NO_SD          (1 << 6)
#define MMC_PROP_NO_MMC         (1 << 7)

        regulator_t     vmmc_supply;
        regulator_t     vqmmc_supply;

        device_t        mmc_pwrseq;
};

int mmc_parse(device_t dev, struct mmc_helper *helper,
    struct mmc_host *host);

#endif