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

INCLUDED FROM

   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 
  14 struct mmc_host;
  15 
  16 int mmc_gpio_get_ro(struct mmc_host *host);
  17 int mmc_gpio_get_cd(struct mmc_host *host);
  18 int 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);
  21 int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
  22                          unsigned int idx,
  23                          unsigned int debounce, bool *gpio_invert);
  24 void mmc_gpio_set_cd_isr(struct mmc_host *host,
  25                          irqreturn_t (*isr)(int irq, void *dev_id));
  26 int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on);
  27 void mmc_gpiod_request_cd_irq(struct mmc_host *host);
  28 bool mmc_can_gpio_cd(struct mmc_host *host);
  29 bool mmc_can_gpio_ro(struct mmc_host *host);
  30 
  31 #endif