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/interrupt.h>
  12 #include <linux/types.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 void mmc_gpio_set_cd_irq(struct mmc_host *host, int irq);
  19 int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
  20                          unsigned int idx, bool override_active_level,
  21                          unsigned int debounce);
  22 int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
  23                          unsigned int idx, unsigned int debounce);
  24 int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config);
  25 void mmc_gpio_set_cd_isr(struct mmc_host *host, irq_handler_t isr);
  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