tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
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
11#ifndef MMC_SLOT_GPIO_H
12#define MMC_SLOT_GPIO_H
13
14#include <linux/types.h>
15#include <linux/irqreturn.h>
16
17struct mmc_host;
18
19int mmc_gpio_get_ro(struct mmc_host *host);
20int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
21
22int mmc_gpio_get_cd(struct mmc_host *host);
23int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
24 unsigned int debounce);
25
26int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
27 unsigned int idx, bool override_active_level,
28 unsigned int debounce, bool *gpio_invert);
29int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
30 unsigned int idx, bool override_active_level,
31 unsigned int debounce, bool *gpio_invert);
32void mmc_gpio_set_cd_isr(struct mmc_host *host,
33 irqreturn_t (*isr)(int irq, void *dev_id));
34void mmc_gpiod_request_cd_irq(struct mmc_host *host);
35bool mmc_can_gpio_cd(struct mmc_host *host);
36
37#endif