summaryrefslogtreecommitdiffstats
path: root/drivers/hid/hid-roccat-konepure.c
blob: 5248b3c7cf7859abbd62dab6fed53e88d1b37773 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Roccat KonePure driver for Linux
 *
 * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
 */

/*
 */

/*
 * Roccat KonePure is a smaller version of KoneXTD with less buttons and lights.
 */

#include <linux/types.h>
#include <linux/device.h>
#include <linux/input.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/hid-roccat.h>
#include "hid-ids.h"
#include "hid-roccat-common.h"

enum {
	KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3,
};

struct konepure_mouse_report_button {
	uint8_t report_number; /* always KONEPURE_MOUSE_REPORT_NUMBER_BUTTON */
	uint8_t zero;
	uint8_t type;
	uint8_t data1;
	uint8_t data2;
	uint8_t zero2;
	uint8_t unknown[2];
} __packed;

static struct class *konepure_class;

ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b);
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04);
ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404);
ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06);
ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10);

static struct bin_attribute *konepure_bin_attrs[] = {
	&bin_attr_actual_profile,
	&bin_attr_control,
	&bin_attr_info,
	&bin_attr_talk,
	&bin_attr_macro,
	&bin_attr_sensor,
	&bin_attr_tcu,
	&bin_attr_tcu_image,
	&bin_attr_profile_settings,
	&bin_attr_profile_buttons,
	NULL,
};

static const struct attribute_group konepure_group = {
	.bin_attrs = konepure_bin_attrs,
};

static const struct attribute_group *konepure_groups[] = {
	&konepure_group,
	NULL,
};

static int konepure_init_specials(struct hid_device *hdev)
{
	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	struct usb_device *usb_dev = interface_to_usbdev(intf);
	struct roccat_common2_device *konepure;
	int retval;

	if (intf->cur_altsetting->desc.bInterfaceProtocol
			!= USB_INTERFACE_PROTOCOL_MOUSE) {
		hid_set_drvdata(hdev, NULL);
		return 0;
	}

	konepure = kzalloc(sizeof(*konepure), GFP_KERNEL);
	if (!konepure) {
		hid_err(hdev, "can't alloc device descriptor\n");
		return -ENOMEM;
	}
	hid_set_drvdata(hdev, konepure);

	retval = roccat_common2_device_init_struct(usb_dev, konepure);
	if (retval) {
		hid_err(hdev, "couldn't init KonePure device\n");
		goto exit_free;
	}

	retval = roccat_connect(konepure_class, hdev,
			sizeof(struct konepure_mouse_report_button));
	if (retval < 0) {
		hid_err(hdev, "couldn't init char dev\n");
	} else {
		konepure->chrdev_minor = retval;
		konepure->roccat_claimed = 1;
	}

	return 0;
exit_free:
	kfree(konepure);
	return retval;
}

static void konepure_remove_specials(struct hid_device *hdev)
{
	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	struct roccat_common2_device *konepure;

	if (intf->cur_altsetting->desc.bInterfaceProtocol
			!= USB_INTERFACE_PROTOCOL_MOUSE)
		return;

	konepure = hid_get_drvdata(hdev);
	if (konepure->roccat_claimed)
		roccat_disconnect(konepure->chrdev_minor);
	kfree(konepure);
}

static int konepure_probe(struct hid_device *hdev,
		const struct hid_device_id *id)
{
	int retval;

	retval = hid_parse(hdev);
	if (retval) {
		hid_err(hdev, "parse failed\n");
		goto exit;
	}

	retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
	if (retval) {
		hid_err(hdev, "hw start failed\n");
		goto exit;
	}

	retval = konepure_init_specials(hdev);
	if (retval) {
		hid_err(hdev, "couldn't install mouse\n");
		goto exit_stop;
	}

	return 0;

exit_stop:
	hid_hw_stop(hdev);
exit:
	return retval;
}

static void konepure_remove(struct hid_device *hdev)
{
	konepure_remove_specials(hdev);
	hid_hw_stop(hdev);
}

static int konepure_raw_event(struct hid_device *hdev,
		struct hid_report *report, u8 *data, int size)
{
	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
	struct roccat_common2_device *konepure = hid_get_drvdata(hdev);

	if (intf->cur_altsetting->desc.bInterfaceProtocol
			!= USB_INTERFACE_PROTOCOL_MOUSE)
		return 0;

	if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON)
		return 0;

	if (konepure != NULL && konepure->roccat_claimed)
		roccat_report_event(konepure->chrdev_minor, data);

	return 0;
}

static const struct hid_device_id konepure_devices[] = {
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
	{ }
};

MODULE_DEVICE_TABLE(hid, konepure_devices);

static struct hid_driver konepure_driver = {
		.name = "konepure",
		.id_table = konepure_devices,
		.probe = konepure_probe,
		.remove = konepure_remove,
		.raw_event = konepure_raw_event
};

static int __init konepure_init(void)
{
	int retval;

	konepure_class = class_create(THIS_MODULE, "konepure");
	if (IS_ERR(konepure_class))
		return PTR_ERR(konepure_class);
	konepure_class->dev_groups = konepure_groups;

	retval = hid_register_driver(&konepure_driver);
	if (retval)
		class_destroy(konepure_class);
	return retval;
}

static void __exit konepure_exit(void)
{
	hid_unregister_driver(&konepure_driver);
	class_destroy(konepure_class);
}

module_init(konepure_init);
module_exit(konepure_exit);

MODULE_AUTHOR("Stefan Achatz");
MODULE_DESCRIPTION("USB Roccat KonePure/Optical driver");
MODULE_LICENSE("GPL v2");
OpenPOWER on IntegriCloud