blob: c79d0b06c143d8aa1a0bd6dfacdad5a9c56b16e0 [file] [log] [blame]
Stefan Achatz8936aa32013-03-10 12:32:44 +01001/*
2 * Roccat KonePure driver for Linux
3 *
4 * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
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/*
15 * Roccat KonePure is a smaller version of KoneXTD with less buttons and lights.
16 */
17
18#include <linux/device.h>
19#include <linux/input.h>
20#include <linux/hid.h>
21#include <linux/module.h>
22#include <linux/slab.h>
23#include <linux/hid-roccat.h>
24#include "hid-ids.h"
25#include "hid-roccat-common.h"
26#include "hid-roccat-konepure.h"
27
28static struct class *konepure_class;
29
30static ssize_t konepure_sysfs_read(struct file *fp, struct kobject *kobj,
31 char *buf, loff_t off, size_t count,
32 size_t real_size, uint command)
33{
34 struct device *dev =
35 container_of(kobj, struct device, kobj)->parent->parent;
36 struct konepure_device *konepure = hid_get_drvdata(dev_get_drvdata(dev));
37 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
38 int retval;
39
40 if (off >= real_size)
41 return 0;
42
43 if (off != 0 || count != real_size)
44 return -EINVAL;
45
46 mutex_lock(&konepure->konepure_lock);
47 retval = roccat_common2_receive(usb_dev, command, buf, real_size);
48 mutex_unlock(&konepure->konepure_lock);
49
50 return retval ? retval : real_size;
51}
52
53static ssize_t konepure_sysfs_write(struct file *fp, struct kobject *kobj,
54 void const *buf, loff_t off, size_t count,
55 size_t real_size, uint command)
56{
57 struct device *dev =
58 container_of(kobj, struct device, kobj)->parent->parent;
59 struct konepure_device *konepure = hid_get_drvdata(dev_get_drvdata(dev));
60 struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
61 int retval;
62
63 if (off != 0 || count != real_size)
64 return -EINVAL;
65
66 mutex_lock(&konepure->konepure_lock);
67 retval = roccat_common2_send_with_status(usb_dev, command,
68 (void *)buf, real_size);
69 mutex_unlock(&konepure->konepure_lock);
70
71 return retval ? retval : real_size;
72}
73
74#define KONEPURE_SYSFS_W(thingy, THINGY) \
75static ssize_t konepure_sysfs_write_ ## thingy(struct file *fp, \
76 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
77 loff_t off, size_t count) \
78{ \
79 return konepure_sysfs_write(fp, kobj, buf, off, count, \
80 KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \
81}
82
83#define KONEPURE_SYSFS_R(thingy, THINGY) \
84static ssize_t konepure_sysfs_read_ ## thingy(struct file *fp, \
85 struct kobject *kobj, struct bin_attribute *attr, char *buf, \
86 loff_t off, size_t count) \
87{ \
88 return konepure_sysfs_read(fp, kobj, buf, off, count, \
89 KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \
90}
91
92#define KONEPURE_SYSFS_RW(thingy, THINGY) \
93KONEPURE_SYSFS_W(thingy, THINGY) \
94KONEPURE_SYSFS_R(thingy, THINGY)
95
96#define KONEPURE_BIN_ATTRIBUTE_RW(thingy, THINGY) \
97{ \
98 .attr = { .name = #thingy, .mode = 0660 }, \
99 .size = KONEPURE_SIZE_ ## THINGY, \
100 .read = konepure_sysfs_read_ ## thingy, \
101 .write = konepure_sysfs_write_ ## thingy \
102}
103
104#define KONEPURE_BIN_ATTRIBUTE_R(thingy, THINGY) \
105{ \
106 .attr = { .name = #thingy, .mode = 0440 }, \
107 .size = KONEPURE_SIZE_ ## THINGY, \
108 .read = konepure_sysfs_read_ ## thingy, \
109}
110
111#define KONEPURE_BIN_ATTRIBUTE_W(thingy, THINGY) \
112{ \
113 .attr = { .name = #thingy, .mode = 0220 }, \
114 .size = KONEPURE_SIZE_ ## THINGY, \
115 .write = konepure_sysfs_write_ ## thingy \
116}
117
118KONEPURE_SYSFS_RW(actual_profile, ACTUAL_PROFILE)
119KONEPURE_SYSFS_W(control, CONTROL)
120KONEPURE_SYSFS_RW(info, INFO)
121KONEPURE_SYSFS_W(talk, TALK)
122KONEPURE_SYSFS_W(macro, MACRO)
123KONEPURE_SYSFS_RW(sensor, SENSOR)
124KONEPURE_SYSFS_RW(tcu, TCU)
125KONEPURE_SYSFS_R(tcu_image, TCU_IMAGE)
126KONEPURE_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
127KONEPURE_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
128
129static struct bin_attribute konepure_bin_attributes[] = {
130 KONEPURE_BIN_ATTRIBUTE_RW(actual_profile, ACTUAL_PROFILE),
131 KONEPURE_BIN_ATTRIBUTE_W(control, CONTROL),
132 KONEPURE_BIN_ATTRIBUTE_RW(info, INFO),
133 KONEPURE_BIN_ATTRIBUTE_W(talk, TALK),
134 KONEPURE_BIN_ATTRIBUTE_W(macro, MACRO),
135 KONEPURE_BIN_ATTRIBUTE_RW(sensor, SENSOR),
136 KONEPURE_BIN_ATTRIBUTE_RW(tcu, TCU),
137 KONEPURE_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE),
138 KONEPURE_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
139 KONEPURE_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
140 __ATTR_NULL
141};
142
143static int konepure_init_konepure_device_struct(struct usb_device *usb_dev,
144 struct konepure_device *konepure)
145{
146 mutex_init(&konepure->konepure_lock);
147
148 return 0;
149}
150
151static int konepure_init_specials(struct hid_device *hdev)
152{
153 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
154 struct usb_device *usb_dev = interface_to_usbdev(intf);
155 struct konepure_device *konepure;
156 int retval;
157
158 if (intf->cur_altsetting->desc.bInterfaceProtocol
159 != USB_INTERFACE_PROTOCOL_MOUSE) {
160 hid_set_drvdata(hdev, NULL);
161 return 0;
162 }
163
164 konepure = kzalloc(sizeof(*konepure), GFP_KERNEL);
165 if (!konepure) {
166 hid_err(hdev, "can't alloc device descriptor\n");
167 return -ENOMEM;
168 }
169 hid_set_drvdata(hdev, konepure);
170
171 retval = konepure_init_konepure_device_struct(usb_dev, konepure);
172 if (retval) {
173 hid_err(hdev, "couldn't init struct konepure_device\n");
174 goto exit_free;
175 }
176
177 retval = roccat_connect(konepure_class, hdev,
178 sizeof(struct konepure_mouse_report_button));
179 if (retval < 0) {
180 hid_err(hdev, "couldn't init char dev\n");
181 } else {
182 konepure->chrdev_minor = retval;
183 konepure->roccat_claimed = 1;
184 }
185
186 return 0;
187exit_free:
188 kfree(konepure);
189 return retval;
190}
191
192static void konepure_remove_specials(struct hid_device *hdev)
193{
194 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
195 struct konepure_device *konepure;
196
197 if (intf->cur_altsetting->desc.bInterfaceProtocol
198 != USB_INTERFACE_PROTOCOL_MOUSE)
199 return;
200
201 konepure = hid_get_drvdata(hdev);
202 if (konepure->roccat_claimed)
203 roccat_disconnect(konepure->chrdev_minor);
204 kfree(konepure);
205}
206
207static int konepure_probe(struct hid_device *hdev,
208 const struct hid_device_id *id)
209{
210 int retval;
211
212 retval = hid_parse(hdev);
213 if (retval) {
214 hid_err(hdev, "parse failed\n");
215 goto exit;
216 }
217
218 retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
219 if (retval) {
220 hid_err(hdev, "hw start failed\n");
221 goto exit;
222 }
223
224 retval = konepure_init_specials(hdev);
225 if (retval) {
226 hid_err(hdev, "couldn't install mouse\n");
227 goto exit_stop;
228 }
229
230 return 0;
231
232exit_stop:
233 hid_hw_stop(hdev);
234exit:
235 return retval;
236}
237
238static void konepure_remove(struct hid_device *hdev)
239{
240 konepure_remove_specials(hdev);
241 hid_hw_stop(hdev);
242}
243
244static int konepure_raw_event(struct hid_device *hdev,
245 struct hid_report *report, u8 *data, int size)
246{
247 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
248 struct konepure_device *konepure = hid_get_drvdata(hdev);
249
250 if (intf->cur_altsetting->desc.bInterfaceProtocol
251 != USB_INTERFACE_PROTOCOL_MOUSE)
252 return 0;
253
254 if (data[0] != KONEPURE_MOUSE_REPORT_NUMBER_BUTTON)
255 return 0;
256
257 if (konepure != NULL && konepure->roccat_claimed)
258 roccat_report_event(konepure->chrdev_minor, data);
259
260 return 0;
261}
262
263static const struct hid_device_id konepure_devices[] = {
264 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
265 { }
266};
267
268MODULE_DEVICE_TABLE(hid, konepure_devices);
269
270static struct hid_driver konepure_driver = {
271 .name = "konepure",
272 .id_table = konepure_devices,
273 .probe = konepure_probe,
274 .remove = konepure_remove,
275 .raw_event = konepure_raw_event
276};
277
278static int __init konepure_init(void)
279{
280 int retval;
281
282 konepure_class = class_create(THIS_MODULE, "konepure");
283 if (IS_ERR(konepure_class))
284 return PTR_ERR(konepure_class);
285 konepure_class->dev_bin_attrs = konepure_bin_attributes;
286
287 retval = hid_register_driver(&konepure_driver);
288 if (retval)
289 class_destroy(konepure_class);
290 return retval;
291}
292
293static void __exit konepure_exit(void)
294{
295 hid_unregister_driver(&konepure_driver);
296 class_destroy(konepure_class);
297}
298
299module_init(konepure_init);
300module_exit(konepure_exit);
301
302MODULE_AUTHOR("Stefan Achatz");
303MODULE_DESCRIPTION("USB Roccat KonePure driver");
304MODULE_LICENSE("GPL v2");