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8936aa31 SA |
1 | /* |
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 | ||
28 | static struct class *konepure_class; | |
29 | ||
30 | static 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 | ||
53 | static 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) \ | |
75 | static 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) \ | |
84 | static 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) \ | |
93 | KONEPURE_SYSFS_W(thingy, THINGY) \ | |
94 | KONEPURE_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 | ||
118 | KONEPURE_SYSFS_RW(actual_profile, ACTUAL_PROFILE) | |
119 | KONEPURE_SYSFS_W(control, CONTROL) | |
120 | KONEPURE_SYSFS_RW(info, INFO) | |
121 | KONEPURE_SYSFS_W(talk, TALK) | |
122 | KONEPURE_SYSFS_W(macro, MACRO) | |
123 | KONEPURE_SYSFS_RW(sensor, SENSOR) | |
124 | KONEPURE_SYSFS_RW(tcu, TCU) | |
125 | KONEPURE_SYSFS_R(tcu_image, TCU_IMAGE) | |
126 | KONEPURE_SYSFS_RW(profile_settings, PROFILE_SETTINGS) | |
127 | KONEPURE_SYSFS_RW(profile_buttons, PROFILE_BUTTONS) | |
128 | ||
129 | static 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 | ||
143 | static 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 | ||
151 | static 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; | |
187 | exit_free: | |
188 | kfree(konepure); | |
189 | return retval; | |
190 | } | |
191 | ||
192 | static 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 | ||
207 | static 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 | ||
232 | exit_stop: | |
233 | hid_hw_stop(hdev); | |
234 | exit: | |
235 | return retval; | |
236 | } | |
237 | ||
238 | static void konepure_remove(struct hid_device *hdev) | |
239 | { | |
240 | konepure_remove_specials(hdev); | |
241 | hid_hw_stop(hdev); | |
242 | } | |
243 | ||
244 | static 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 | ||
263 | static const struct hid_device_id konepure_devices[] = { | |
264 | { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) }, | |
265 | { } | |
266 | }; | |
267 | ||
268 | MODULE_DEVICE_TABLE(hid, konepure_devices); | |
269 | ||
270 | static 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 | ||
278 | static 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 | ||
293 | static void __exit konepure_exit(void) | |
294 | { | |
295 | hid_unregister_driver(&konepure_driver); | |
296 | class_destroy(konepure_class); | |
297 | } | |
298 | ||
299 | module_init(konepure_init); | |
300 | module_exit(konepure_exit); | |
301 | ||
302 | MODULE_AUTHOR("Stefan Achatz"); | |
303 | MODULE_DESCRIPTION("USB Roccat KonePure driver"); | |
304 | MODULE_LICENSE("GPL v2"); |