David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Generic GPIO card-detect helper header |
| 4 | * |
| 5 | * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de> |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 17 | int mmc_gpio_get_cd(struct mmc_host *host); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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, |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 22 | unsigned int idx, |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |