/*
   * 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 */