xref: /freebsd/sys/dev/mmc/mmc_fdt_helpers.h (revision 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
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  * $FreeBSD$
28  */
29 
30 #ifndef _MMC_FDT_HELPERS_H_
31 #define	_MMC_FDT_HELPERS_H_
32 
33 #include <dev/gpio/gpiobusvar.h>
34 #include <dev/ofw/ofw_bus.h>
35 
36 #include <dev/extres/regulator/regulator.h>
37 
38 #include <dev/mmc/mmc_helpers.h>
39 
40 #define mmc_fdt_helper mmc_helper /* For backwards compatibility */
41 
42 typedef void (*mmc_fdt_cd_handler)(device_t dev, bool present);
43 
44 int mmc_fdt_parse(device_t dev, phandle_t node, struct mmc_helper *helper, struct mmc_host *host);
45 int mmc_fdt_gpio_setup(device_t dev, phandle_t node, struct mmc_helper *helper, mmc_fdt_cd_handler handler);
46 void mmc_fdt_gpio_teardown(struct mmc_helper *helper);
47 bool mmc_fdt_gpio_get_present(struct mmc_helper *helper);
48 bool mmc_fdt_gpio_get_readonly(struct mmc_helper *helper);
49 void mmc_fdt_set_power(struct mmc_helper *helper, enum mmc_power_mode power_mode);
50 
51 #endif
52