LXR linux/include/linux/mmc/slot-gpio.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Generic GPIO card-detect helper header
   4 *
   5 * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
   6 */
   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);
  17int mmc_gpio_get_cd(struct mmc_host *host);
  18int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
  19                         unsigned int idx, bool override_active_level,
  20                         unsigned int debounce);
  21int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
  22                         unsigned int idx, unsigned int debounce);
  23void mmc_gpio_set_cd_isr(struct mmc_host *host,
  24                         irqreturn_t (*isr)(int irq, void *dev_id));
  25int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on);
  26void mmc_gpiod_request_cd_irq(struct mmc_host *host);
  27bool mmc_can_gpio_cd(struct mmc_host *host);
  28bool mmc_can_gpio_ro(struct mmc_host *host);
  29
  30#endif
  31