hid-tivo.c

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/*
 *  HID driver for TiVo Slide Bluetooth remote
 *
 *  Copyright (c) 2011 Jarod Wilson <[email protected]>
 *  based on the hid-topseed driver, which is in turn, based on hid-cherry...
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 */

#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) },
    { }
};
MODULE_DEVICE_TABLE(hid, tivo_devices);

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

static int __init tivo_init(void)
{
    return hid_register_driver(&tivo_driver);
}

static void __exit tivo_exit(void)
{
    hid_unregister_driver(&tivo_driver);
}

module_init(tivo_init);
module_exit(tivo_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jarod Wilson <[email protected]>");