/*-
 * Copyright (c) 2015 Oleksandr Tymoshenko <gonzo@freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

#include <sys/param.h>
#include <sys/systm.h>

#include <dev/gpio/gpiokeys.h>
#include <contrib/device-tree/include/dt-bindings/input/linux-event-codes.h>

struct gpiokeys_codemap_entry {
        uint32_t        linux_code;
        uint32_t        bsd_code;
};

static struct gpiokeys_codemap_entry gpiokeys_codes_map[] = {
        { KEY_ESC,              1},
        { KEY_1,                2},
        { KEY_2,                3},
        { KEY_3,                4},
        { KEY_4,                5},
        { KEY_5,                6},
        { KEY_6,                7},
        { KEY_7,                8},
        { KEY_8,                9},
        { KEY_9,                10},
        { KEY_0,                11},
        { KEY_MINUS,            12},
        { KEY_EQUAL,            13},
        { KEY_BACKSPACE,        14},

        { KEY_TAB,              15},
        { KEY_Q,                16},
        { KEY_W,                17},
        { KEY_E,                18},
        { KEY_R,                19},
        { KEY_T,                20},
        { KEY_Y,                21},
        { KEY_U,                22},
        { KEY_I,                23},
        { KEY_O,                24},
        { KEY_P,                25},
        { KEY_LEFTBRACE,        26},
        { KEY_RIGHTBRACE,       27},

        { KEY_ENTER,            28},
        { KEY_LEFTCTRL,         29},
        { KEY_A,                30},
        { KEY_S,                31},
        { KEY_D,                32},
        { KEY_F,                33},
        { KEY_G,                34},
        { KEY_H,                35},
        { KEY_J,                36},
        { KEY_K,                37},
        { KEY_L,                38},
        { KEY_SEMICOLON,        39},
        { KEY_APOSTROPHE,       40},
        { KEY_GRAVE,            41},

        { KEY_LEFTSHIFT,        42},
        { KEY_BACKSLASH,        43},
        { KEY_Z,                44},
        { KEY_X,                45},
        { KEY_C,                46},
        { KEY_V,                47},
        { KEY_B,                48},
        { KEY_N,                49},
        { KEY_M,                50},
        { KEY_COMMA,            51},
        { KEY_DOT,              52},
        { KEY_SLASH,            53},
        { KEY_RIGHTSHIFT,       54},

        { KEY_LEFTALT,          56},
        { KEY_SPACE,            57},
        { KEY_CAPSLOCK,         58},

        { KEY_F1,               59},
        { KEY_F2,               60},
        { KEY_F3,               61},
        { KEY_F4,               62},
        { KEY_F5,               63},
        { KEY_F6,               64},
        { KEY_F7,               65},
        { KEY_F8,               66},
        { KEY_F9,               67},
        { KEY_F10,              68},
        { KEY_F11,              87},
        { KEY_F12,              88},

        { KEY_RIGHTCTRL,        90},
        { KEY_SYSRQ,            92},
        { KEY_RIGHTALT,         93},

        { KEY_HOME,             GPIOKEY_E0(71)},
        { KEY_UP,               GPIOKEY_E0(72)},
        { KEY_PAGEUP,           GPIOKEY_E0(73)},
        { KEY_LEFT,             GPIOKEY_E0(75)},
        { KEY_RIGHT,            GPIOKEY_E0(77)},
        { KEY_END,              GPIOKEY_E0(79)},
        { KEY_DOWN,             GPIOKEY_E0(80)},
        { KEY_PAGEDOWN,         GPIOKEY_E0(81)},
        { KEY_INSERT,           GPIOKEY_E0(82)},
        { KEY_DELETE,           GPIOKEY_E0(83)},

        { GPIOKEY_NONE, GPIOKEY_NONE}
};

uint32_t
gpiokey_map_linux_code(uint32_t linux_code)
{
        int i;

        for (i = 0; gpiokeys_codes_map[i].linux_code != GPIOKEY_NONE; i++) {
                if (gpiokeys_codes_map[i].linux_code == linux_code)
                        return (gpiokeys_codes_map[i].bsd_code);
        }

        return (GPIOKEY_NONE);
}