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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* Copyright (c) 2014-2015, Linux Foundation.
* Copyright (C) 2019 XiaoMi, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _UAPI_MISC_DRV8846_H
#define _UAPI_MISC_DRV8846_H
#include <linux/types.h>
#include <linux/ioctl.h>
#define DRV8846_MISC_NAME "drv8846_dev"
#define UP 1
#define DOWN 0
/* Move back add delta ms to guarantee go home success */
#define DELTAMS 5
enum running_state {
STILL = 0,
SPEEDUP,
FULLSTEAM,
SLOWDOWN,
UNIFORMSPEED
};
struct op_parameter {
uint32_t dir;
uint32_t duration_ms;
uint32_t period_ns;
};
/* ioctl numbers */
#define MOTOR_MAGIC 0xD3
/* AFU devices */
#define MOTOR_IOC_SET_AUTORUN _IOW(MOTOR_MAGIC, 0x01, uint8_t)
#define MOTOR_IOC_SET_MANUALRUN _IOW(MOTOR_MAGIC, 0x02, struct op_parameter)
#define MOTOR_IOC_GET_REMAIN_TIME _IOR(MOTOR_MAGIC, 0x10, long)
#define MOTOR_IOC_GET_STATE _IOR(MOTOR_MAGIC, 0x11, enum running_state)
#endif /* _UAPI_MISC_DRV8846_H */
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