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slot-gpio.h « mmc « linux « include - github.com/torvalds/linux.git - Unnamed repository; edit this file 'description' to name the repository.
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/*
 * Generic GPIO card-detect helper header
 *
 * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef MMC_SLOT_GPIO_H
#define MMC_SLOT_GPIO_H

struct mmc_host;

int mmc_gpio_get_ro(struct mmc_host *host);
int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
void mmc_gpio_free_ro(struct mmc_host *host);

int mmc_gpio_get_cd(struct mmc_host *host);
int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
			unsigned int debounce);
void mmc_gpio_free_cd(struct mmc_host *host);

int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
			 unsigned int idx, bool override_active_level,
			 unsigned int debounce);
void mmc_gpiod_free_cd(struct mmc_host *host);
void mmc_gpiod_request_cd_irq(struct mmc_host *host);

#endif