diff options
Diffstat (limited to 'include/linux/gpio-fan.h')
-rw-r--r-- | include/linux/gpio-fan.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/gpio-fan.h b/include/linux/gpio-fan.h new file mode 100644 index 000000000000..096659169215 --- /dev/null +++ b/include/linux/gpio-fan.h | |||
@@ -0,0 +1,36 @@ | |||
1 | /* | ||
2 | * include/linux/gpio-fan.h | ||
3 | * | ||
4 | * Platform data structure for GPIO fan driver | ||
5 | * | ||
6 | * This file is licensed under the terms of the GNU General Public | ||
7 | * License version 2. This program is licensed "as is" without any | ||
8 | * warranty of any kind, whether express or implied. | ||
9 | */ | ||
10 | |||
11 | #ifndef __LINUX_GPIO_FAN_H | ||
12 | #define __LINUX_GPIO_FAN_H | ||
13 | |||
14 | struct gpio_fan_alarm { | ||
15 | unsigned gpio; | ||
16 | unsigned active_low; | ||
17 | }; | ||
18 | |||
19 | struct gpio_fan_speed { | ||
20 | int rpm; | ||
21 | int ctrl_val; | ||
22 | }; | ||
23 | |||
24 | struct gpio_fan_platform_data { | ||
25 | int num_ctrl; | ||
26 | unsigned *ctrl; /* fan control GPIOs. */ | ||
27 | struct gpio_fan_alarm *alarm; /* fan alarm GPIO. */ | ||
28 | /* | ||
29 | * Speed conversion array: rpm from/to GPIO bit field. | ||
30 | * This array _must_ be sorted in ascending rpm order. | ||
31 | */ | ||
32 | int num_speed; | ||
33 | struct gpio_fan_speed *speed; | ||
34 | }; | ||
35 | |||
36 | #endif /* __LINUX_GPIO_FAN_H */ | ||