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David Brazdil0f672f62019-12-10 10:32:29 +00001/* SPDX-License-Identifier: GPL-2.0-only */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002/*
3 * Generic GPIO card-detect helper header
4 *
5 * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00006 */
7
8#ifndef MMC_SLOT_GPIO_H
9#define MMC_SLOT_GPIO_H
10
11#include <linux/types.h>
12#include <linux/irqreturn.h>
13
14struct mmc_host;
15
16int mmc_gpio_get_ro(struct mmc_host *host);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000017int mmc_gpio_get_cd(struct mmc_host *host);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000018int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
19 unsigned int idx, bool override_active_level,
20 unsigned int debounce, bool *gpio_invert);
21int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
David Brazdil0f672f62019-12-10 10:32:29 +000022 unsigned int idx,
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000023 unsigned int debounce, bool *gpio_invert);
24void mmc_gpio_set_cd_isr(struct mmc_host *host,
25 irqreturn_t (*isr)(int irq, void *dev_id));
26int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on);
27void mmc_gpiod_request_cd_irq(struct mmc_host *host);
28bool mmc_can_gpio_cd(struct mmc_host *host);
29bool mmc_can_gpio_ro(struct mmc_host *host);
30
31#endif