/*      $NetBSD: synapticsvar.h,v 1.14 2022/04/01 06:31:29 blymn Exp $  */

/*
 * Copyright (c) 2005, Steve C. Woodford
 * Copyright (c) 2004, Ales Krenek
 * Copyright (c) 2004, Kentaro A. Kurahone
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   * Neither the name of the Kentaro A. Kurahone nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef _DEV_PCKBCPORT_SYNAPTICSVAR_H_
#define _DEV_PCKBCPORT_SYNAPTICSVAR_H_

#define SYN_MAX_FINGERS 2
#define SYN_PRIMARY_FINGER 0
#define SYN_SECONDARY_FINGER 1

struct synaptics_softc {
        int     caps;

        int     flags;
#define SYN_FLAG_HAS_MIDDLE_BUTTON              (1 << 0)
#define SYN_FLAG_HAS_BUTTONS_4_5                (1 << 1)
#define SYN_FLAG_HAS_UP_DOWN_BUTTONS            (1 << 2)
#define SYN_FLAG_HAS_PASSTHROUGH                (1 << 3)
#define SYN_FLAG_HAS_PALM_DETECT                (1 << 4)
#define SYN_FLAG_HAS_MULTI_FINGER               (1 << 5)
#define SYN_FLAG_HAS_MULTI_FINGER_REPORT        (1 << 6)
#define SYN_FLAG_HAS_VERTICAL_SCROLL            (1 << 7)
#define SYN_FLAG_HAS_HORIZONTAL_SCROLL          (1 << 8)
#define SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD        (1 << 9)
#define SYN_FLAG_HAS_TWO_BUTTON_CLICKPAD        (1 << 10)
#define SYN_FLAG_HAS_EXTENDED_WMODE             (1 << 11)
#define SYN_FLAG_HAS_ADV_GESTURE_MODE           (1 << 12)
#define SYN_FLAG_HAS_MAX_REPORT                 (1 << 13)
#define SYN_FLAG_HAS_MIN_REPORT                 (1 << 14)

        /* Total number of packets received */
        u_int   total_packets;

        /* Keep a per finger count for ballistics */
        u_int   packet_count[SYN_MAX_FINGERS];

#define SYN_TIME(sc,c)  (((sc)->total_packets >= (c)) ?   \
                            ((sc)->total_packets - (c)) : \
                             ((c) - (sc)->total_packets))

        int     num_buttons;  /* number of external buttons */
        uint8_t button_mask;
        int     up_down;
        int     prev_fingers;

        int     gesture_start_x, gesture_start_y;
        int     gesture_move_x, gesture_move_y;
        u_int   gesture_start_packet;
        u_int   gesture_tap_packet;

        int     gesture_buttons;
        int     gesture_type;
#define SYN_GESTURE_SINGLE      0x01
#define SYN_GESTURE_DOUBLE      0x02
#define SYN_GESTURE_DRAG        0x04
#define SYN_IS_SINGLE_TAP(t)    ((t) & SYN_GESTURE_SINGLE)
#define SYN_IS_DOUBLE_TAP(t)    ((t) & SYN_GESTURE_DOUBLE)
#define SYN_IS_DRAG(t)          ((t) & SYN_GESTURE_DRAG)

#define SYN_HIST_SIZE   4
        char    button_history;
        int     dz_hold;
        int     rem_x[SYN_MAX_FINGERS];
        int     rem_y[SYN_MAX_FINGERS];
        int     rem_z[SYN_MAX_FINGERS];
        int     history_x[SYN_MAX_FINGERS][SYN_HIST_SIZE];
        int     history_y[SYN_MAX_FINGERS][SYN_HIST_SIZE];
        int     history_z[SYN_MAX_FINGERS][SYN_HIST_SIZE];

        char    ext_left;
        char    ext_right;
        char    ext_middle;
        char    ext_up;
        char    ext_down;
};

int pms_synaptics_probe_init(void *vsc);
void pms_synaptics_enable(void *vsc);
void pms_synaptics_resume(void *vsc);

#endif