// SPDX-License-Identifier: GPL-2.0-only
#ifndef GXFP_FDT_H
#define GXFP_FDT_H

#include <stdbool.h>
#include <stdint.h>

struct gxfp_device;
struct gxfp_frame_view;

enum gxfp_fdt_event {
	GXFP_FDT_EVENT_NONE = 0,
	GXFP_FDT_EVENT_READY,
	GXFP_FDT_EVENT_FINGER_DOWN,
	GXFP_FDT_EVENT_FINGER_UP,
	GXFP_FDT_EVENT_REVERSE,
};

struct gxfp_fdt {
	bool waiting_for_up;
};

void gxfp_fdt_init(struct gxfp_fdt *fdt);
int gxfp_fdt_arm_down(struct gxfp_device *device);
int gxfp_fdt_arm_up(struct gxfp_device *device);

enum gxfp_fdt_event
gxfp_fdt_decode(const struct gxfp_frame_view *frame, uint16_t *status);

int gxfp_fdt_handle_event(struct gxfp_fdt *fdt,
			  struct gxfp_device *device,
			  enum gxfp_fdt_event event);

#endif