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mmc_helpers.h (2317B) - Raw


      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