/* $OpenBSD: hidmtvar.h,v 1.10 2025/10/28 15:36:46 jcs Exp $ */
/*
 * Copyright (c) 2016 joshua stein <jcs@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

struct hidmt_data {
        uint32_t                usage;
        struct hid_location     loc;
        SIMPLEQ_ENTRY(hidmt_data) entry;
};

struct hidmt_contact {
        int             x;
        int             y;
        int             width;
        int             height;
        int             tip;
        int             confidence;
        int             contactid;

        int             seen;
};

struct hidmt {
        int             sc_enabled;
        uint32_t        sc_flags;
#define HIDMT_REVY      0x0001  /* Y-axis is reversed ("natural" scrolling) */

        struct device   *sc_device;
        int             (*hidev_report_type_conv)(int);
        int             (*hidev_get_report)(struct device *, int, int, void *,
                            int);
        int             (*hidev_set_report)(struct device *, int, int, void *,
                            int);

        int             sc_rep_input;
        int             sc_rep_input_size;
        int             sc_rep_config;
        int             sc_rep_cap;

        SIMPLEQ_HEAD(, hidmt_data) sc_inputs;

        struct device   *sc_wsmousedev;

        int             sc_clickpad;
        int             sc_num_contacts;
#define HIDMT_MAX_CONTACTS      5
        int             sc_minx, sc_maxx;
        int             sc_miny, sc_maxy;
        int             sc_resx, sc_resy;

        struct hidmt_contact sc_contacts[HIDMT_MAX_CONTACTS];
        int             sc_cur_contactcount;
        int             sc_buttons;
};

int     hidmt_set_input_mode(struct hidmt *, uint16_t);
#define HIDMT_INPUT_MODE_MT_TOUCHSCREEN 0x2
#define HIDMT_INPUT_MODE_MT_TOUCHPAD    0x3

void    hidmt_attach(struct hidmt *, const struct wsmouse_accessops *);
int     hidmt_detach(struct hidmt *, int);
void    hidmt_disable(struct hidmt *);
int     hidmt_enable(struct hidmt *);
void    hidmt_input(struct hidmt *, uint8_t *, u_int);
int     hidmt_ioctl(struct hidmt *, u_long, caddr_t, int, struct proc *);
int     hidmt_setup(struct device *, struct hidmt *, void *, int);
int     hidmt_find_winptp_reports(const void *, int, int *, int *, int *);