projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| fdf93aa3 JK |
1 | /* |
| 2 | * HID driver for Kensigton Slimblade Trackball | |
| 3 | * | |
| 4 | * Copyright (c) 2009 Jiri Kosina | |
| 5 | */ | |
| 6 | ||
| 7 | /* | |
| 8 | * This program is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms of the GNU General Public License as published by the Free | |
| 10 | * Software Foundation; either version 2 of the License, or (at your option) | |
| 11 | * any later version. | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/device.h> | |
| 15 | #include <linux/input.h> | |
| 16 | #include <linux/hid.h> | |
| 17 | #include <linux/module.h> | |
| 18 | ||
| 19 | #include "hid-ids.h" | |
| 20 | ||
| 21 | #define ks_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c)) | |
| 22 | ||
| 23 | static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
| 24 | struct hid_field *field, struct hid_usage *usage, | |
| 25 | unsigned long **bit, int *max) | |
| 26 | { | |
| 27 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) | |
| 28 | return 0; | |
| 29 | ||
| 30 | switch (usage->hid & HID_USAGE) { | |
| 31 | case 0x01: ks_map_key(BTN_MIDDLE); break; | |
| 32 | case 0x02: ks_map_key(BTN_SIDE); break; | |
| 33 | default: | |
| 34 | return 0; | |
| 35 | } | |
| 36 | return 1; | |
| 37 | } | |
| 38 | ||
| 39 | static const struct hid_device_id ks_devices[] = { | |
| 40 | { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, | |
| 41 | { } | |
| 42 | }; | |
| 43 | MODULE_DEVICE_TABLE(hid, ks_devices); | |
| 44 | ||
| 45 | static struct hid_driver ks_driver = { | |
| 46 | .name = "kensington", | |
| 47 | .id_table = ks_devices, | |
| 48 | .input_mapping = ks_input_mapping, | |
| 49 | }; | |
| 50 | ||
| 51 | static int ks_init(void) | |
| 52 | { | |
| 53 | return hid_register_driver(&ks_driver); | |
| 54 | } | |
| 55 | ||
| 56 | static void ks_exit(void) | |
| 57 | { | |
| 58 | hid_unregister_driver(&ks_driver); | |
| 59 | } | |
| 60 | ||
| 61 | module_init(ks_init); | |
| 62 | module_exit(ks_exit); | |
| 63 | MODULE_LICENSE("GPL"); | |
| 64 | ||
| 65 | HID_COMPAT_LOAD_DRIVER(kensington); |