mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 07:35:19 +07:00
50fcbbbb79
Add new helper API mmc_can_gpio_cd for slot-gpio to make host drivers know whether it supports gpio card detect. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/*
|
|
* 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);
|
|
|
|
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
|