/*
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* LED MULTI-CONTROL
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*
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* Copyright 2017 Allen Zhang <zwp@rock-chips.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __LEDS_MULTI_H_INCLUDED
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#define __LEDS_MULTI_H_INCLUDED
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enum {
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TRIG_NONE = 0,
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TRIG_DEF_ON,
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TRIG_TIMER,
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TRIG_ONESHOT,
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TRIG_MAX,
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};
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struct led_ctrl_data {
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u32 trigger;
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/* the delay time(ms) of triggering a trigger */
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u32 delayed_trigger_ms;
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u32 brightness;
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u32 delay_on;
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u32 delay_off;
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} __packed;
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struct led_ctrl_scroll_data {
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u64 init_bitmap;
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/* the shift bits on every scrolling time*/
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u32 shifts;
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u32 shift_delay_ms;
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} __packed;
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struct led_ctrl_breath_data {
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u64 background_bitmap;
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u64 breath_bitmap;
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u32 change_delay_ms;
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u32 breath_steps;
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} __packed;
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#define MAX_LEDS_NUMBER 64
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#define LEDS_MULTI_CTRL_IOCTL_MAGIC 'z'
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#define LEDS_MULTI_CTRL_IOCTL_MULTI_SET \
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_IOW(LEDS_MULTI_CTRL_IOCTL_MAGIC, 0x01, struct led_ctrl_data*)
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#define LEDS_MULTI_CTRL_IOCTL_GET_LED_NUMBER \
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_IOR(LEDS_MULTI_CTRL_IOCTL_MAGIC, 0x02, int)
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#define LEDS_MULTI_CTRL_IOCTL_MULTI_SET_SCROLL \
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_IOW(LEDS_MULTI_CTRL_IOCTL_MAGIC, 0x03, struct led_ctrl_scroll_data*)
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#define LEDS_MULTI_CTRL_IOCTL_MULTI_SET_BREATH \
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_IOW(LEDS_MULTI_CTRL_IOCTL_MAGIC, 0x04, struct led_ctrl_breath_data*)
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int led_multi_control_register(struct led_classdev *led_cdev);
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int led_multi_control_unregister(struct led_classdev *led_cdev);
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int led_multi_control_init(struct device *dev);
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int led_multi_control_exit(struct device *dev);
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#endif /* __LEDS_MULTI_H_INCLUDED */
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