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
35struct 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
63int mmc_parse(device_t dev, struct mmc_helper *helper,
64    struct mmc_host *host);
65
66#endif