FreeBSD/Linux Kernel Cross Reference
sys/dev/mmc/mmc_fdt_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.
     *
     * $FreeBSD$
     */
    
    #ifndef _MMC_FDT_HELPERS_H_
    #define _MMC_FDT_HELPERS_H_
    
    #include <dev/gpio/gpiobusvar.h>
    #include <dev/ofw/ofw_bus.h>
    
    #include <dev/extres/regulator/regulator.h>
    
    #include <dev/mmc/mmc_helpers.h>
    
    #define mmc_fdt_helper mmc_helper /* For backwards compatibility */
    
    typedef void (*mmc_fdt_cd_handler)(device_t dev, bool present);
    
    int mmc_fdt_parse(device_t dev, phandle_t node, struct mmc_helper *helper, struct mmc_host *host);
    int mmc_fdt_gpio_setup(device_t dev, phandle_t node, struct mmc_helper *helper, mmc_fdt_cd_handler handler);
    void mmc_fdt_gpio_teardown(struct mmc_helper *helper);
    bool mmc_fdt_gpio_get_present(struct mmc_helper *helper);
    bool mmc_fdt_gpio_get_readonly(struct mmc_helper *helper);
    void mmc_fdt_set_power(struct mmc_helper *helper, enum mmc_power_mode power_mode);
    
    #endif

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