diff options
Diffstat (limited to 'kernel/include/linux/mmc/slot-gpio.h')
| -rw-r--r-- | kernel/include/linux/mmc/slot-gpio.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/include/linux/mmc/slot-gpio.h b/kernel/include/linux/mmc/slot-gpio.h new file mode 100644 index 000000000..3945a8c9d --- /dev/null +++ b/kernel/include/linux/mmc/slot-gpio.h @@ -0,0 +1,33 @@ +/* + * Generic GPIO card-detect helper header + * + * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef MMC_SLOT_GPIO_H +#define MMC_SLOT_GPIO_H + +struct mmc_host; + +int mmc_gpio_get_ro(struct mmc_host *host); +int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio); + +int mmc_gpio_get_cd(struct mmc_host *host); +int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio, + unsigned int debounce); + +int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, + unsigned int idx, bool override_active_level, + unsigned int debounce, bool *gpio_invert); +int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id, + unsigned int idx, bool override_active_level, + unsigned int debounce, bool *gpio_invert); +void mmc_gpio_set_cd_isr(struct mmc_host *host, + irqreturn_t (*isr)(int irq, void *dev_id)); +void mmc_gpiod_request_cd_irq(struct mmc_host *host); + +#endif |