projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b5635b12 JS |
1 | /* |
| 2 | * HID driver for some belkin "special" devices | |
| 3 | * | |
| 4 | * Copyright (c) 1999 Andreas Gal | |
| 5 | * Copyright (c) 2000-2005 Vojtech Pavlik <[email protected]> | |
| 6 | * Copyright (c) 2005 Michael Haboustak <[email protected]> for Concept2, Inc | |
| 7 | * Copyright (c) 2006-2007 Jiri Kosina | |
| 8 | * Copyright (c) 2007 Paul Walmsley | |
| 9 | * Copyright (c) 2008 Jiri Slaby | |
| 10 | */ | |
| 11 | ||
| 12 | /* | |
| 13 | * This program is free software; you can redistribute it and/or modify it | |
| 14 | * under the terms of the GNU General Public License as published by the Free | |
| 15 | * Software Foundation; either version 2 of the License, or (at your option) | |
| 16 | * any later version. | |
| 17 | */ | |
| 18 | ||
| 19 | #include <linux/device.h> | |
| 20 | #include <linux/hid.h> | |
| 21 | #include <linux/module.h> | |
| 22 | ||
| 23 | #include "hid-ids.h" | |
| 24 | ||
| 25 | #define BELKIN_HIDDEV 0x01 | |
| 26 | #define BELKIN_WKBD 0x02 | |
| 27 | ||
| 28 | #define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ | |
| 29 | EV_KEY, (c)) | |
| 30 | static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
| 31 | struct hid_field *field, struct hid_usage *usage, | |
| 32 | unsigned long **bit, int *max) | |
| 33 | { | |
| 34 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
| 35 | ||
| 36 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || | |
| 37 | !(quirks & BELKIN_WKBD)) | |
| 38 | return 0; | |
| 39 | ||
| 40 | switch (usage->hid & HID_USAGE) { | |
| 41 | case 0x03a: belkin_map_key_clear(KEY_SOUND); break; | |
| 42 | case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; | |
| 43 | case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; | |
| 44 | default: | |
| 45 | return 0; | |
| 46 | } | |
| 47 | return 1; | |
| 48 | } | |
| 49 | ||
| 50 | static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
| 51 | { | |
| 52 | unsigned long quirks = id->driver_data; | |
| 53 | int ret; | |
| 54 | ||
| 55 | hid_set_drvdata(hdev, (void *)quirks); | |
| 56 | ||
| b5635b12 JS |
57 | ret = hid_parse(hdev); |
| 58 | if (ret) { | |
| 4291ee30 | 59 | hid_err(hdev, "parse failed\n"); |
| b5635b12 JS |
60 | goto err_free; |
| 61 | } | |
| 62 | ||
| 93c10132 JS |
63 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | |
| 64 | ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); | |
| b5635b12 | 65 | if (ret) { |
| 4291ee30 | 66 | hid_err(hdev, "hw start failed\n"); |
| b5635b12 JS |
67 | goto err_free; |
| 68 | } | |
| 69 | ||
| 70 | return 0; | |
| 71 | err_free: | |
| 72 | return ret; | |
| 73 | } | |
| 74 | ||
| 75 | static const struct hid_device_id belkin_devices[] = { | |
| 76 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), | |
| 77 | .driver_data = BELKIN_HIDDEV }, | |
| 78 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), | |
| 79 | .driver_data = BELKIN_WKBD }, | |
| 80 | { } | |
| 81 | }; | |
| 82 | MODULE_DEVICE_TABLE(hid, belkin_devices); | |
| 83 | ||
| 84 | static struct hid_driver belkin_driver = { | |
| 85 | .name = "belkin", | |
| 86 | .id_table = belkin_devices, | |
| 87 | .input_mapping = belkin_input_mapping, | |
| 88 | .probe = belkin_probe, | |
| 89 | }; | |
| 90 | ||
| a24f423b | 91 | static int __init belkin_init(void) |
| b5635b12 JS |
92 | { |
| 93 | return hid_register_driver(&belkin_driver); | |
| 94 | } | |
| 95 | ||
| a24f423b | 96 | static void __exit belkin_exit(void) |
| b5635b12 JS |
97 | { |
| 98 | hid_unregister_driver(&belkin_driver); | |
| 99 | } | |
| 100 | ||
| 101 | module_init(belkin_init); | |
| 102 | module_exit(belkin_exit); | |
| 103 | MODULE_LICENSE("GPL"); |