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- /*
- * 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 */
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