1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/*
* 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
#include <linux/types.h>
#include <linux/irqreturn.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);
int mmc_gpio_get_cd(struct mmc_host *host);
int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
unsigned int debounce);
int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
unsigned int idx, bool override_active_level,
unsigned int debounce, bool *gpio_invert);
int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
unsigned int idx, bool override_active_level,
unsigned int debounce, bool *gpio_invert);
void mmc_gpio_set_cd_isr(struct mmc_host *host,
irqreturn_t (*isr)(int irq, void *dev_id));
void mmc_gpiod_request_cd_irq(struct mmc_host *host);
bool mmc_can_gpio_cd(struct mmc_host *host);
#endif
|
