root/drivers/media/rc/keymaps/rc-ati-x10.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * ATI X10 RF remote keytable
 *
 * Copyright (C) 2011 Anssi Hannula <anssi.hannula@?ki.fi>
 *
 * This file is based on the static generic keytable previously found in
 * ati_remote.c, which is
 * Copyright (c) 2004 Torrey Hoffman <thoffman@arnor.net>
 * Copyright (c) 2002 Vladimir Dergachev
 */

#include <linux/module.h>
#include <media/rc-map.h>

/*
 * Intended usage comments below are from vendor-supplied
 * Source: ATI REMOTE WONDERâ„¢ Installation Guide
 * http://www2.ati.com/manuals/remctrl.pdf
 *
 * Scancodes were in strict left-right, top-bottom order on the
 * original ATI Remote Wonder, but were moved on later models.
 *
 * Keys A-F are intended to be user-programmable.
 */

static struct rc_map_table ati_x10[] = {
        /* keyboard - Above the cursor pad */
        { 0x00, KEY_A },
        { 0x01, KEY_B },
        { 0x02, KEY_POWER },      /* Power */

        { 0x03, KEY_TV },         /* TV */
        { 0x04, KEY_DVD },        /* DVD */
        { 0x05, KEY_WWW },        /* WEB */
        { 0x06, KEY_BOOKMARKS },  /* "book": Open Media Library */
        { 0x07, KEY_EDIT },       /* "hand": Toggle left mouse button (grab) */

        /* Mouse emulation pad goes here, handled by driver separately */

        { 0x09, KEY_VOLUMEDOWN }, /* VOL + */
        { 0x08, KEY_VOLUMEUP },   /* VOL - */
        { 0x0a, KEY_MUTE },       /* MUTE  */
        { 0x0b, KEY_CHANNELUP },  /* CH + */
        { 0x0c, KEY_CHANNELDOWN },/* CH - */

        /*
         * We could use KEY_NUMERIC_x for these, but the X11 protocol
         * has problems with keycodes greater than 255, so avoid those high
         * keycodes in default maps.
         */
        { 0x0d, KEY_NUMERIC_1 },
        { 0x0e, KEY_NUMERIC_2 },
        { 0x0f, KEY_NUMERIC_3 },
        { 0x10, KEY_NUMERIC_4 },
        { 0x11, KEY_NUMERIC_5 },
        { 0x12, KEY_NUMERIC_6 },
        { 0x13, KEY_NUMERIC_7 },
        { 0x14, KEY_NUMERIC_8 },
        { 0x15, KEY_NUMERIC_9 },
        { 0x16, KEY_MENU },       /* "menu": DVD root menu */
                                  /* KEY_NUMERIC_STAR? */
        { 0x17, KEY_NUMERIC_0 },
        { 0x18, KEY_SETUP },      /* "check": DVD setup menu */
                                  /* KEY_NUMERIC_POUND? */

        /* DVD navigation buttons */
        { 0x19, KEY_C },
        { 0x1a, KEY_UP },         /* up */
        { 0x1b, KEY_D },

        { 0x1c, KEY_PROPS },      /* "timer" Should be Data On Screen */
                                  /* Symbol is "circle nailed to box" */
        { 0x1d, KEY_LEFT },       /* left */
        { 0x1e, KEY_OK },         /* "OK" */
        { 0x1f, KEY_RIGHT },      /* right */
        { 0x20, KEY_SCREEN },     /* "max" (X11 warning: 0x177) */
                                  /* Should be AC View Toggle, but
                                     that's not in <input/input.h>.
                                     KEY_ZOOM (0x174)? */
        { 0x21, KEY_E },
        { 0x22, KEY_DOWN },       /* down */
        { 0x23, KEY_F },
        /* Play/stop/pause buttons */
        { 0x24, KEY_REWIND },     /* (<<) Rewind */
        { 0x25, KEY_PLAY },       /* ( >) Play (KEY_PLAYCD?) */
        { 0x26, KEY_FASTFORWARD }, /* (>>) Fast forward */

        { 0x27, KEY_RECORD },     /* ( o) red */
        { 0x28, KEY_STOPCD },     /* ([]) Stop  (KEY_STOP is something else!) */
        { 0x29, KEY_PAUSE },      /* ('') Pause (KEY_PAUSECD?) */

        /* Extra keys, not on the original ATI remote */
        { 0x2a, KEY_NEXT },       /* (>+) */
        { 0x2b, KEY_PREVIOUS },   /* (<-) */
        { 0x2d, KEY_INFO },       /* PLAYING  (X11 warning: 0x166) */
        { 0x2e, KEY_HOME },       /* TOP */
        { 0x2f, KEY_END },        /* END */
        { 0x30, KEY_SELECT },     /* SELECT  (X11 warning: 0x161) */
};

static struct rc_map_list ati_x10_map = {
        .map = {
                .scan     = ati_x10,
                .size     = ARRAY_SIZE(ati_x10),
                .rc_proto = RC_PROTO_OTHER,
                .name     = RC_MAP_ATI_X10,
        }
};

static int __init init_rc_map_ati_x10(void)
{
        return rc_map_register(&ati_x10_map);
}

static void __exit exit_rc_map_ati_x10(void)
{
        rc_map_unregister(&ati_x10_map);
}

module_init(init_rc_map_ati_x10)
module_exit(exit_rc_map_ati_x10)

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Anssi Hannula <anssi.hannula@iki.fi>");
MODULE_DESCRIPTION("ATI X10 RF remote controller keytable");