/* $OpenBSD: ietp.h,v 1.2 2024/05/13 01:15:50 jsg Exp $ */
/*
 * Elantech touchpad I2C driver
 *
 * Copyright (c) 2015, 2016 joshua stein <jcs@openbsd.org>
 * Copyright (c) 2020, 2022 Vladimir Kondratyev <wulf@FreeBSD.org>
 * Copyright (c) 2023 vladimir serbinenko <phcoder@gmail.com>
 *
 * 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.
 */

#include "ihidev.h" // For i2c_hid_desc

struct ietp_softc {
        struct device   sc_dev;
        i2c_tag_t       sc_tag;
        i2c_addr_t      sc_addr;
        void            *sc_ih;
        union {
                uint8_t hid_desc_buf[sizeof(struct i2c_hid_desc)];
                struct i2c_hid_desc hid_desc;
        };

        u_int           sc_isize;
        u_char          *sc_ibuf;

        int             sc_refcnt;

        int             sc_dying;

        struct device   *sc_wsmousedev;

        uint8_t                 sc_buttons;

        uint8_t                 report_id;
        size_t                  report_len;

        uint16_t        product_id;
        uint16_t        ic_type;

        int32_t         pressure_base;
        uint16_t        max_x;
        uint16_t        max_y;
        uint16_t        trace_x;
        uint16_t        trace_y;
        uint16_t        res_x;          /* dots per mm */
        uint16_t        res_y;
        bool            hi_precision;
        bool            is_clickpad;
};

int ietp_ioctl(void *, u_long, caddr_t, int, struct proc *);
int ietp_enable(void *dev);
void ietp_disable(void *dev);