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Guennadi Liakhovetski349ab522011-12-25 21:36:02 +01001/*
2 * Generic GPIO card-detect helper header
3 *
4 * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
Guennadi Liakhovetskifd0ea652012-04-30 23:31:57 +020011#ifndef MMC_SLOT_GPIO_H
12#define MMC_SLOT_GPIO_H
Guennadi Liakhovetski349ab522011-12-25 21:36:02 +010013
Ulf Hansson8da00732017-01-13 14:14:06 +010014#include <linux/types.h>
15#include <linux/irqreturn.h>
16
Guennadi Liakhovetski349ab522011-12-25 21:36:02 +010017struct mmc_host;
Guennadi Liakhovetskibefe4042012-05-01 16:27:25 +020018
Guennadi Liakhovetski5aa7dad2012-05-01 16:59:38 +020019int mmc_gpio_get_ro(struct mmc_host *host);
20int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
Guennadi Liakhovetski5aa7dad2012-05-01 16:59:38 +020021
Guennadi Liakhovetskibefe4042012-05-01 16:27:25 +020022int mmc_gpio_get_cd(struct mmc_host *host);
Laurent Pinchart214fc302013-08-08 12:38:31 +020023int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
24 unsigned int debounce);
Guennadi Liakhovetski349ab522011-12-25 21:36:02 +010025
Adrian Hunter740a2212014-03-10 15:02:41 +020026int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
27 unsigned int idx, bool override_active_level,
Linus Walleij89168b42014-10-02 09:08:46 +020028 unsigned int debounce, bool *gpio_invert);
Linus Walleij9d2fa242014-08-27 13:00:51 +020029int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
30 unsigned int idx, bool override_active_level,
Linus Walleij89168b42014-10-02 09:08:46 +020031 unsigned int debounce, bool *gpio_invert);
NeilBrownc7ea8342015-01-13 08:23:18 +130032void mmc_gpio_set_cd_isr(struct mmc_host *host,
33 irqreturn_t (*isr)(int irq, void *dev_id));
Adrian Hunter740a2212014-03-10 15:02:41 +020034void mmc_gpiod_request_cd_irq(struct mmc_host *host);
Shawn Lin50fcbbb2016-10-12 10:50:37 +080035bool mmc_can_gpio_cd(struct mmc_host *host);
Adrian Hunter740a2212014-03-10 15:02:41 +020036
Guennadi Liakhovetski349ab522011-12-25 21:36:02 +010037#endif