Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2#include <asm-generic/errno-base.h>
3#include <asm-generic/int-ll64.h>
4#include <linux/bitops.h>
5#include <linux/input.h>
6#include <linux/input-event-codes.h>
7#include <linux/module.h>
8#include <linux/hid.h>
9#include <linux/usb.h>
10
11#include "hid-ids.h"
12
13#define RAPOO_BTN_BACK 0x08
14#define RAPOO_BTN_FORWARD 0x10
15
16static const struct hid_device_id rapoo_devices[] = {
17 { HID_USB_DEVICE(USB_VENDOR_ID_RAPOO, USB_DEVICE_ID_RAPOO_2_4G_RECEIVER) },
18 { }
19};
20MODULE_DEVICE_TABLE(hid, rapoo_devices);
21
22static int rapoo_probe(struct hid_device *hdev, const struct hid_device_id *id)
23{
24 int ret;
25 struct input_dev *input;
26
27 ret = hid_parse(hdev);
28 if (ret) {
29 hid_err(hdev, "parse failed\n");
30 return ret;
31 }
32
33 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
34 if (ret) {
35 hid_err(hdev, "start failed\n");
36 return ret;
37 }
38
39 if (hdev->bus == BUS_USB) {
40 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
41
42 if (intf->cur_altsetting->desc.bInterfaceNumber != 1)
43 return 0;
44 }
45
46 input = devm_input_allocate_device(&hdev->dev);
47 if (!input)
48 return -ENOMEM;
49
50 input->name = "Rapoo 2.4G Wireless Mouse";
51 input->phys = "rapoo/input1";
52 input->id.bustype = hdev->bus;
53 input->id.vendor = hdev->vendor;
54 input->id.product = hdev->product;
55 input->id.version = hdev->version;
56
57 __set_bit(EV_KEY, input->evbit);
58 __set_bit(KEY_BACK, input->keybit);
59 __set_bit(KEY_FORWARD, input->keybit);
60
61 ret = input_register_device(input);
62 if (ret)
63 return ret;
64
65 hid_set_drvdata(hdev, input);
66
67 return ret;
68}
69
70static int rapoo_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size)
71{
72 struct input_dev *input = hid_get_drvdata(hdev);
73
74 if (!input)
75 return 0;
76
77 if (report->id == 1 && size >= 2) {
78 u8 btn = data[1];
79
80 input_report_key(input, KEY_BACK, btn & RAPOO_BTN_BACK);
81 input_report_key(input, KEY_FORWARD, btn & RAPOO_BTN_FORWARD);
82 input_sync(input);
83 return 1;
84 }
85
86 return 0;
87}
88
89static struct hid_driver rapoo_driver = {
90 .name = "hid-rapoo",
91 .id_table = rapoo_devices,
92 .probe = rapoo_probe,
93 .raw_event = rapoo_raw_event,
94};
95
96module_hid_driver(rapoo_driver);
97
98MODULE_LICENSE("GPL");
99MODULE_AUTHOR("Nguyen Dinh Dang Duong <dangduong31205@gmail.com>");
100MODULE_DESCRIPTION("RAPOO 2.4G Wireless Device Driver");
101