/*
   * 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);

  #endif