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/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