mmc_helpers.h

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    1 /*
    2  * Copyright 2019 Emmanuel Vadot <manu@freebsd.org>
    3  * Copyright (c) 2017 Ian Lepore <ian@freebsd.org> All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions are
    7  * met:
    8  *
    9  *  1. Redistributions of source code must retain the above copyright
   10  *     notice, this list of conditions and the following disclaimer.
   11  *  2. Redistributions in binary form must reproduce the above copyright
   12  *     notice, this list of conditions and the following disclaimer in the
   13  *     documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
   19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
   22  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 #ifndef _MMC_HELPERS_H_
   29 #define _MMC_HELPERS_H_
   30 
   31 #include <dev/gpio/gpiobusvar.h>
   32 
   33 #include <dev/extres/regulator/regulator.h>
   34 
   35 struct mmc_helper {
   36         device_t                dev;
   37         gpio_pin_t              wp_pin;
   38         gpio_pin_t              cd_pin;
   39         void *                  cd_ihandler;
   40         struct resource *       cd_ires;
   41         int                     cd_irid;
   42         void                    (*cd_handler)(device_t, bool);
   43         struct timeout_task     cd_delayed_task;
   44         bool                    cd_disabled;
   45         bool                    wp_disabled;
   46         bool                    cd_present;
   47         uint32_t                props;
   48 #define MMC_PROP_BROKEN_CD      (1 << 0)
   49 #define MMC_PROP_NON_REMOVABLE  (1 << 1)
   50 #define MMC_PROP_WP_INVERTED    (1 << 2)
   51 #define MMC_PROP_CD_INVERTED    (1 << 3)
   52 #define MMC_PROP_DISABLE_WP     (1 << 4)
   53 #define MMC_PROP_NO_SDIO        (1 << 5)
   54 #define MMC_PROP_NO_SD          (1 << 6)
   55 #define MMC_PROP_NO_MMC         (1 << 7)
   56 
   57         regulator_t     vmmc_supply;
   58         regulator_t     vqmmc_supply;
   59 
   60         device_t        mmc_pwrseq;
   61 };
   62 
   63 int mmc_parse(device_t dev, struct mmc_helper *helper,
   64     struct mmc_host *host);
   65 
   66 #endif

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FreeBSD/Linux Kernel Cross Reference sys/dev/mmc/mmc_helpers.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/mmc/mmc_helpers.h