slot-gpio.h 1.1 KB

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  1. /*
  2. * Generic GPIO card-detect helper header
  3. *
  4. * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. */
  10. #ifndef MMC_SLOT_GPIO_H
  11. #define MMC_SLOT_GPIO_H
  12. struct mmc_host;
  13. int mmc_gpio_get_ro(struct mmc_host *host);
  14. int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
  15. int mmc_gpio_get_cd(struct mmc_host *host);
  16. int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
  17. unsigned int debounce);
  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, bool override_active_level,
  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. void mmc_gpiod_request_cd_irq(struct mmc_host *host);
  27. #endif