| /* |
| * 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 */ |
