| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 | #include <linux/types.h> |
| 15 | #include <linux/irqreturn.h> |
| 16 | |
| 17 | struct mmc_host; |
| 18 | |
| 19 | int mmc_gpio_get_ro(struct mmc_host *host); |
| 20 | int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio); |
| 21 | |
| 22 | int mmc_gpio_get_cd(struct mmc_host *host); |
| 23 | int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio, |
| 24 | unsigned int debounce); |
| 25 | |
| 26 | int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, |
| 27 | unsigned int idx, bool override_active_level, |
| 28 | unsigned int debounce, bool *gpio_invert); |
| 29 | int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, |
| 30 | unsigned int idx, bool override_active_level, |
| 31 | unsigned int debounce, bool *gpio_invert); |
| 32 | void mmc_gpio_set_cd_isr(struct mmc_host *host, |
| 33 | irqreturn_t (*isr)(int irq, void *dev_id)); |
| 34 | void mmc_gpiod_request_cd_irq(struct mmc_host *host); |
| 35 | bool mmc_can_gpio_cd(struct mmc_host *host); |
| 36 | |
| 37 | #endif |