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