/* * include/linux/gpio-fan.h * * Platform data structure for GPIO fan driver * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #ifndef __LINUX_GPIO_FAN_H #define __LINUX_GPIO_FAN_H struct gpio_fan_alarm { unsigned gpio; unsigned active_low; }; struct gpio_fan_speed { int rpm; int ctrl_val; }; struct gpio_fan_platform_data { int num_ctrl; unsigned *ctrl; /* fan control GPIOs. */ struct gpio_fan_alarm *alarm; /* fan alarm GPIO. */ /* * Speed conversion array: rpm from/to GPIO bit field. * This array _must_ be sorted in ascending rpm order. */ int num_speed; struct gpio_fan_speed *speed; }; #endif /* __LINUX_GPIO_FAN_H */ |