root/drivers/hid/hid-tivo.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  HID driver for TiVo Slide Bluetooth remote
 *
 *  Copyright (c) 2011 Jarod Wilson <jarod@redhat.com>
 *  based on the hid-topseed driver, which is in turn, based on hid-cherry...
 */

/*
 */

#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>

#include "hid-ids.h"

#define HID_UP_TIVOVENDOR       0xffff0000
#define tivo_map_key_clear(c)   hid_map_usage_clear(hi, usage, bit, max, \
                                        EV_KEY, (c))

static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                struct hid_field *field, struct hid_usage *usage,
                unsigned long **bit, int *max)
{
        switch (usage->hid & HID_USAGE_PAGE) {
        case HID_UP_TIVOVENDOR:
                switch (usage->hid & HID_USAGE) {
                /* TiVo button */
                case 0x3d: tivo_map_key_clear(KEY_MEDIA);       break;
                /* Live TV */
                case 0x3e: tivo_map_key_clear(KEY_TV);          break;
                /* Red thumbs down */
                case 0x41: tivo_map_key_clear(KEY_KPMINUS);     break;
                /* Green thumbs up */
                case 0x42: tivo_map_key_clear(KEY_KPPLUS);      break;
                default:
                        return 0;
                }
                break;
        case HID_UP_CONSUMER:
                switch (usage->hid & HID_USAGE) {
                /* Enter/Last (default mapping: KEY_LAST) */
                case 0x083: tivo_map_key_clear(KEY_ENTER);      break;
                /* Info (default mapping: KEY_PROPS) */
                case 0x209: tivo_map_key_clear(KEY_INFO);       break;
                default:
                        return 0;
                }
                break;
        default:
                return 0;
        }

        /* This means we found a matching mapping here, else, look in the
         * standard hid mappings in hid-input.c */
        return 1;
}

static const struct hid_device_id tivo_devices[] = {
        /* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
        { }
};
MODULE_DEVICE_TABLE(hid, tivo_devices);

static struct hid_driver tivo_driver = {
        .name = "tivo_slide",
        .id_table = tivo_devices,
        .input_mapping = tivo_input_mapping,
};
module_hid_driver(tivo_driver);

MODULE_DESCRIPTION("HID driver for TiVo Slide Bluetooth remote");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");