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 11 #ifndef MMC_SLOT_GPIO_H 12 #define MMC_SLOT_GPIO_H 13 14 struct mmc_host; 15 16 int mmc_gpio_get_ro(struct mmc_host *host); 17 int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio); 18 void mmc_gpio_free_ro(struct mmc_host *host); 19 20 int mmc_gpio_get_cd(struct mmc_host *host); 21 int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio, 22 unsigned int debounce); 23 void mmc_gpio_free_cd(struct mmc_host *host); 24 25 int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, 26 unsigned int idx, bool override_active_level, 27 unsigned int debounce, bool *gpio_invert); 28 int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, 29 unsigned int idx, bool override_active_level, 30 unsigned int debounce, bool *gpio_invert); 31 void mmc_gpiod_free_cd(struct mmc_host *host); 32 void mmc_gpiod_request_cd_irq(struct mmc_host *host); 33 34 #endif 35