2 * Generic GPIO card-detect helper header
4 * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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.
11 #ifndef MMC_SLOT_GPIO_H
12 #define MMC_SLOT_GPIO_H
16 int mmc_gpio_get_ro(struct mmc_host
*host
);
17 int mmc_gpio_request_ro(struct mmc_host
*host
, unsigned int gpio
);
18 void mmc_gpio_free_ro(struct mmc_host
*host
);
20 int mmc_gpio_get_cd(struct mmc_host
*host
);
21 int mmc_gpio_request_cd(struct mmc_host
*host
, unsigned int gpio
,
22 unsigned int debounce
);
23 void mmc_gpio_free_cd(struct mmc_host
*host
);
25 int mmc_gpiod_request_cd(struct mmc_host
*host
, const char *con_id
,
26 unsigned int idx
, bool override_active_level
,
27 unsigned int debounce
, bool *gpio_invert
);
28 int mmc_gpiod_request_ro(struct mmc_host
*host
, const char *con_id
,
29 unsigned int idx
, bool override_active_level
,
30 unsigned int debounce
, bool *gpio_invert
);
31 void mmc_gpiod_free_cd(struct mmc_host
*host
);
32 void mmc_gpiod_request_cd_irq(struct mmc_host
*host
);
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