root / hw / usb-hid.c @ e7e73892
History | View | Annotate | Download (31.2 kB)
1 |
/*
|
---|---|
2 |
* QEMU USB HID devices
|
3 |
*
|
4 |
* Copyright (c) 2005 Fabrice Bellard
|
5 |
* Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
|
6 |
*
|
7 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
8 |
* of this software and associated documentation files (the "Software"), to deal
|
9 |
* in the Software without restriction, including without limitation the rights
|
10 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
11 |
* copies of the Software, and to permit persons to whom the Software is
|
12 |
* furnished to do so, subject to the following conditions:
|
13 |
*
|
14 |
* The above copyright notice and this permission notice shall be included in
|
15 |
* all copies or substantial portions of the Software.
|
16 |
*
|
17 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
18 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
19 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
20 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
21 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
22 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
23 |
* THE SOFTWARE.
|
24 |
*/
|
25 |
#include "hw.h" |
26 |
#include "console.h" |
27 |
#include "usb.h" |
28 |
#include "usb-desc.h" |
29 |
#include "qemu-timer.h" |
30 |
|
31 |
/* HID interface requests */
|
32 |
#define GET_REPORT 0xa101 |
33 |
#define GET_IDLE 0xa102 |
34 |
#define GET_PROTOCOL 0xa103 |
35 |
#define SET_REPORT 0x2109 |
36 |
#define SET_IDLE 0x210a |
37 |
#define SET_PROTOCOL 0x210b |
38 |
|
39 |
/* HID descriptor types */
|
40 |
#define USB_DT_HID 0x21 |
41 |
#define USB_DT_REPORT 0x22 |
42 |
#define USB_DT_PHY 0x23 |
43 |
|
44 |
#define USB_MOUSE 1 |
45 |
#define USB_TABLET 2 |
46 |
#define USB_KEYBOARD 3 |
47 |
|
48 |
typedef struct USBPointerEvent { |
49 |
int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */
|
50 |
int32_t dz, buttons_state; |
51 |
} USBPointerEvent; |
52 |
|
53 |
#define QUEUE_LENGTH 16 /* should be enough for a triple-click */ |
54 |
#define QUEUE_MASK (QUEUE_LENGTH-1u) |
55 |
#define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK)
|
56 |
|
57 |
typedef struct USBMouseState { |
58 |
USBPointerEvent queue[QUEUE_LENGTH]; |
59 |
int mouse_grabbed;
|
60 |
QEMUPutMouseEntry *eh_entry; |
61 |
} USBMouseState; |
62 |
|
63 |
typedef struct USBKeyboardState { |
64 |
uint32_t keycodes[QUEUE_LENGTH]; |
65 |
uint16_t modifiers; |
66 |
uint8_t leds; |
67 |
uint8_t key[16];
|
68 |
int32_t keys; |
69 |
} USBKeyboardState; |
70 |
|
71 |
typedef struct USBHIDState { |
72 |
USBDevice dev; |
73 |
union {
|
74 |
USBMouseState ptr; |
75 |
USBKeyboardState kbd; |
76 |
}; |
77 |
uint32_t head; /* index into circular queue */
|
78 |
uint32_t n; |
79 |
int kind;
|
80 |
int32_t protocol; |
81 |
uint8_t idle; |
82 |
int64_t next_idle_clock; |
83 |
int changed;
|
84 |
void *datain_opaque;
|
85 |
void (*datain)(void *); |
86 |
} USBHIDState; |
87 |
|
88 |
enum {
|
89 |
STR_MANUFACTURER = 1,
|
90 |
STR_PRODUCT_MOUSE, |
91 |
STR_PRODUCT_TABLET, |
92 |
STR_PRODUCT_KEYBOARD, |
93 |
STR_SERIALNUMBER, |
94 |
STR_CONFIG_MOUSE, |
95 |
STR_CONFIG_TABLET, |
96 |
STR_CONFIG_KEYBOARD, |
97 |
}; |
98 |
|
99 |
static const USBDescStrings desc_strings = { |
100 |
[STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
|
101 |
[STR_PRODUCT_MOUSE] = "QEMU USB Mouse",
|
102 |
[STR_PRODUCT_TABLET] = "QEMU USB Tablet",
|
103 |
[STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
|
104 |
[STR_SERIALNUMBER] = "42", /* == remote wakeup works */ |
105 |
[STR_CONFIG_MOUSE] = "HID Mouse",
|
106 |
[STR_CONFIG_TABLET] = "HID Tablet",
|
107 |
[STR_CONFIG_KEYBOARD] = "HID Keyboard",
|
108 |
}; |
109 |
|
110 |
static const USBDescIface desc_iface_mouse = { |
111 |
.bInterfaceNumber = 0,
|
112 |
.bNumEndpoints = 1,
|
113 |
.bInterfaceClass = USB_CLASS_HID, |
114 |
.bInterfaceSubClass = 0x01, /* boot */ |
115 |
.bInterfaceProtocol = 0x02,
|
116 |
.ndesc = 1,
|
117 |
.descs = (USBDescOther[]) { |
118 |
{ |
119 |
/* HID descriptor */
|
120 |
.data = (uint8_t[]) { |
121 |
0x09, /* u8 bLength */ |
122 |
USB_DT_HID, /* u8 bDescriptorType */
|
123 |
0x01, 0x00, /* u16 HID_class */ |
124 |
0x00, /* u8 country_code */ |
125 |
0x01, /* u8 num_descriptors */ |
126 |
USB_DT_REPORT, /* u8 type: Report */
|
127 |
52, 0, /* u16 len */ |
128 |
}, |
129 |
}, |
130 |
}, |
131 |
.eps = (USBDescEndpoint[]) { |
132 |
{ |
133 |
.bEndpointAddress = USB_DIR_IN | 0x01,
|
134 |
.bmAttributes = USB_ENDPOINT_XFER_INT, |
135 |
.wMaxPacketSize = 4,
|
136 |
.bInterval = 0x0a,
|
137 |
}, |
138 |
}, |
139 |
}; |
140 |
|
141 |
static const USBDescIface desc_iface_tablet = { |
142 |
.bInterfaceNumber = 0,
|
143 |
.bNumEndpoints = 1,
|
144 |
.bInterfaceClass = USB_CLASS_HID, |
145 |
.bInterfaceProtocol = 0x02,
|
146 |
.ndesc = 1,
|
147 |
.descs = (USBDescOther[]) { |
148 |
{ |
149 |
/* HID descriptor */
|
150 |
.data = (uint8_t[]) { |
151 |
0x09, /* u8 bLength */ |
152 |
USB_DT_HID, /* u8 bDescriptorType */
|
153 |
0x01, 0x00, /* u16 HID_class */ |
154 |
0x00, /* u8 country_code */ |
155 |
0x01, /* u8 num_descriptors */ |
156 |
USB_DT_REPORT, /* u8 type: Report */
|
157 |
74, 0, /* u16 len */ |
158 |
}, |
159 |
}, |
160 |
}, |
161 |
.eps = (USBDescEndpoint[]) { |
162 |
{ |
163 |
.bEndpointAddress = USB_DIR_IN | 0x01,
|
164 |
.bmAttributes = USB_ENDPOINT_XFER_INT, |
165 |
.wMaxPacketSize = 8,
|
166 |
.bInterval = 0x0a,
|
167 |
}, |
168 |
}, |
169 |
}; |
170 |
|
171 |
static const USBDescIface desc_iface_keyboard = { |
172 |
.bInterfaceNumber = 0,
|
173 |
.bNumEndpoints = 1,
|
174 |
.bInterfaceClass = USB_CLASS_HID, |
175 |
.bInterfaceSubClass = 0x01, /* boot */ |
176 |
.bInterfaceProtocol = 0x01, /* keyboard */ |
177 |
.ndesc = 1,
|
178 |
.descs = (USBDescOther[]) { |
179 |
{ |
180 |
/* HID descriptor */
|
181 |
.data = (uint8_t[]) { |
182 |
0x09, /* u8 bLength */ |
183 |
USB_DT_HID, /* u8 bDescriptorType */
|
184 |
0x11, 0x01, /* u16 HID_class */ |
185 |
0x00, /* u8 country_code */ |
186 |
0x01, /* u8 num_descriptors */ |
187 |
USB_DT_REPORT, /* u8 type: Report */
|
188 |
0x3f, 0, /* u16 len */ |
189 |
}, |
190 |
}, |
191 |
}, |
192 |
.eps = (USBDescEndpoint[]) { |
193 |
{ |
194 |
.bEndpointAddress = USB_DIR_IN | 0x01,
|
195 |
.bmAttributes = USB_ENDPOINT_XFER_INT, |
196 |
.wMaxPacketSize = 8,
|
197 |
.bInterval = 0x0a,
|
198 |
}, |
199 |
}, |
200 |
}; |
201 |
|
202 |
static const USBDescDevice desc_device_mouse = { |
203 |
.bcdUSB = 0x0100,
|
204 |
.bMaxPacketSize0 = 8,
|
205 |
.bNumConfigurations = 1,
|
206 |
.confs = (USBDescConfig[]) { |
207 |
{ |
208 |
.bNumInterfaces = 1,
|
209 |
.bConfigurationValue = 1,
|
210 |
.iConfiguration = STR_CONFIG_MOUSE, |
211 |
.bmAttributes = 0xa0,
|
212 |
.bMaxPower = 50,
|
213 |
.nif = 1,
|
214 |
.ifs = &desc_iface_mouse, |
215 |
}, |
216 |
}, |
217 |
}; |
218 |
|
219 |
static const USBDescDevice desc_device_tablet = { |
220 |
.bcdUSB = 0x0100,
|
221 |
.bMaxPacketSize0 = 8,
|
222 |
.bNumConfigurations = 1,
|
223 |
.confs = (USBDescConfig[]) { |
224 |
{ |
225 |
.bNumInterfaces = 1,
|
226 |
.bConfigurationValue = 1,
|
227 |
.iConfiguration = STR_CONFIG_TABLET, |
228 |
.bmAttributes = 0xa0,
|
229 |
.bMaxPower = 50,
|
230 |
.nif = 1,
|
231 |
.ifs = &desc_iface_tablet, |
232 |
}, |
233 |
}, |
234 |
}; |
235 |
|
236 |
static const USBDescDevice desc_device_keyboard = { |
237 |
.bcdUSB = 0x0100,
|
238 |
.bMaxPacketSize0 = 8,
|
239 |
.bNumConfigurations = 1,
|
240 |
.confs = (USBDescConfig[]) { |
241 |
{ |
242 |
.bNumInterfaces = 1,
|
243 |
.bConfigurationValue = 1,
|
244 |
.iConfiguration = STR_CONFIG_KEYBOARD, |
245 |
.bmAttributes = 0xa0,
|
246 |
.bMaxPower = 50,
|
247 |
.nif = 1,
|
248 |
.ifs = &desc_iface_keyboard, |
249 |
}, |
250 |
}, |
251 |
}; |
252 |
|
253 |
static const USBDesc desc_mouse = { |
254 |
.id = { |
255 |
.idVendor = 0x0627,
|
256 |
.idProduct = 0x0001,
|
257 |
.bcdDevice = 0,
|
258 |
.iManufacturer = STR_MANUFACTURER, |
259 |
.iProduct = STR_PRODUCT_MOUSE, |
260 |
.iSerialNumber = STR_SERIALNUMBER, |
261 |
}, |
262 |
.full = &desc_device_mouse, |
263 |
.str = desc_strings, |
264 |
}; |
265 |
|
266 |
static const USBDesc desc_tablet = { |
267 |
.id = { |
268 |
.idVendor = 0x0627,
|
269 |
.idProduct = 0x0001,
|
270 |
.bcdDevice = 0,
|
271 |
.iManufacturer = STR_MANUFACTURER, |
272 |
.iProduct = STR_PRODUCT_TABLET, |
273 |
.iSerialNumber = STR_SERIALNUMBER, |
274 |
}, |
275 |
.full = &desc_device_tablet, |
276 |
.str = desc_strings, |
277 |
}; |
278 |
|
279 |
static const USBDesc desc_keyboard = { |
280 |
.id = { |
281 |
.idVendor = 0x0627,
|
282 |
.idProduct = 0x0001,
|
283 |
.bcdDevice = 0,
|
284 |
.iManufacturer = STR_MANUFACTURER, |
285 |
.iProduct = STR_PRODUCT_KEYBOARD, |
286 |
.iSerialNumber = STR_SERIALNUMBER, |
287 |
}, |
288 |
.full = &desc_device_keyboard, |
289 |
.str = desc_strings, |
290 |
}; |
291 |
|
292 |
static const uint8_t qemu_mouse_hid_report_descriptor[] = { |
293 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
294 |
0x09, 0x02, /* Usage (Mouse) */ |
295 |
0xa1, 0x01, /* Collection (Application) */ |
296 |
0x09, 0x01, /* Usage (Pointer) */ |
297 |
0xa1, 0x00, /* Collection (Physical) */ |
298 |
0x05, 0x09, /* Usage Page (Button) */ |
299 |
0x19, 0x01, /* Usage Minimum (1) */ |
300 |
0x29, 0x03, /* Usage Maximum (3) */ |
301 |
0x15, 0x00, /* Logical Minimum (0) */ |
302 |
0x25, 0x01, /* Logical Maximum (1) */ |
303 |
0x95, 0x03, /* Report Count (3) */ |
304 |
0x75, 0x01, /* Report Size (1) */ |
305 |
0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
306 |
0x95, 0x01, /* Report Count (1) */ |
307 |
0x75, 0x05, /* Report Size (5) */ |
308 |
0x81, 0x01, /* Input (Constant) */ |
309 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
310 |
0x09, 0x30, /* Usage (X) */ |
311 |
0x09, 0x31, /* Usage (Y) */ |
312 |
0x09, 0x38, /* Usage (Wheel) */ |
313 |
0x15, 0x81, /* Logical Minimum (-0x7f) */ |
314 |
0x25, 0x7f, /* Logical Maximum (0x7f) */ |
315 |
0x75, 0x08, /* Report Size (8) */ |
316 |
0x95, 0x03, /* Report Count (3) */ |
317 |
0x81, 0x06, /* Input (Data, Variable, Relative) */ |
318 |
0xc0, /* End Collection */ |
319 |
0xc0, /* End Collection */ |
320 |
}; |
321 |
|
322 |
static const uint8_t qemu_tablet_hid_report_descriptor[] = { |
323 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
324 |
0x09, 0x01, /* Usage (Pointer) */ |
325 |
0xa1, 0x01, /* Collection (Application) */ |
326 |
0x09, 0x01, /* Usage (Pointer) */ |
327 |
0xa1, 0x00, /* Collection (Physical) */ |
328 |
0x05, 0x09, /* Usage Page (Button) */ |
329 |
0x19, 0x01, /* Usage Minimum (1) */ |
330 |
0x29, 0x03, /* Usage Maximum (3) */ |
331 |
0x15, 0x00, /* Logical Minimum (0) */ |
332 |
0x25, 0x01, /* Logical Maximum (1) */ |
333 |
0x95, 0x03, /* Report Count (3) */ |
334 |
0x75, 0x01, /* Report Size (1) */ |
335 |
0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
336 |
0x95, 0x01, /* Report Count (1) */ |
337 |
0x75, 0x05, /* Report Size (5) */ |
338 |
0x81, 0x01, /* Input (Constant) */ |
339 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
340 |
0x09, 0x30, /* Usage (X) */ |
341 |
0x09, 0x31, /* Usage (Y) */ |
342 |
0x15, 0x00, /* Logical Minimum (0) */ |
343 |
0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */ |
344 |
0x35, 0x00, /* Physical Minimum (0) */ |
345 |
0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ |
346 |
0x75, 0x10, /* Report Size (16) */ |
347 |
0x95, 0x02, /* Report Count (2) */ |
348 |
0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
349 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
350 |
0x09, 0x38, /* Usage (Wheel) */ |
351 |
0x15, 0x81, /* Logical Minimum (-0x7f) */ |
352 |
0x25, 0x7f, /* Logical Maximum (0x7f) */ |
353 |
0x35, 0x00, /* Physical Minimum (same as logical) */ |
354 |
0x45, 0x00, /* Physical Maximum (same as logical) */ |
355 |
0x75, 0x08, /* Report Size (8) */ |
356 |
0x95, 0x01, /* Report Count (1) */ |
357 |
0x81, 0x06, /* Input (Data, Variable, Relative) */ |
358 |
0xc0, /* End Collection */ |
359 |
0xc0, /* End Collection */ |
360 |
}; |
361 |
|
362 |
static const uint8_t qemu_keyboard_hid_report_descriptor[] = { |
363 |
0x05, 0x01, /* Usage Page (Generic Desktop) */ |
364 |
0x09, 0x06, /* Usage (Keyboard) */ |
365 |
0xa1, 0x01, /* Collection (Application) */ |
366 |
0x75, 0x01, /* Report Size (1) */ |
367 |
0x95, 0x08, /* Report Count (8) */ |
368 |
0x05, 0x07, /* Usage Page (Key Codes) */ |
369 |
0x19, 0xe0, /* Usage Minimum (224) */ |
370 |
0x29, 0xe7, /* Usage Maximum (231) */ |
371 |
0x15, 0x00, /* Logical Minimum (0) */ |
372 |
0x25, 0x01, /* Logical Maximum (1) */ |
373 |
0x81, 0x02, /* Input (Data, Variable, Absolute) */ |
374 |
0x95, 0x01, /* Report Count (1) */ |
375 |
0x75, 0x08, /* Report Size (8) */ |
376 |
0x81, 0x01, /* Input (Constant) */ |
377 |
0x95, 0x05, /* Report Count (5) */ |
378 |
0x75, 0x01, /* Report Size (1) */ |
379 |
0x05, 0x08, /* Usage Page (LEDs) */ |
380 |
0x19, 0x01, /* Usage Minimum (1) */ |
381 |
0x29, 0x05, /* Usage Maximum (5) */ |
382 |
0x91, 0x02, /* Output (Data, Variable, Absolute) */ |
383 |
0x95, 0x01, /* Report Count (1) */ |
384 |
0x75, 0x03, /* Report Size (3) */ |
385 |
0x91, 0x01, /* Output (Constant) */ |
386 |
0x95, 0x06, /* Report Count (6) */ |
387 |
0x75, 0x08, /* Report Size (8) */ |
388 |
0x15, 0x00, /* Logical Minimum (0) */ |
389 |
0x25, 0xff, /* Logical Maximum (255) */ |
390 |
0x05, 0x07, /* Usage Page (Key Codes) */ |
391 |
0x19, 0x00, /* Usage Minimum (0) */ |
392 |
0x29, 0xff, /* Usage Maximum (255) */ |
393 |
0x81, 0x00, /* Input (Data, Array) */ |
394 |
0xc0, /* End Collection */ |
395 |
}; |
396 |
|
397 |
#define USB_HID_USAGE_ERROR_ROLLOVER 0x01 |
398 |
#define USB_HID_USAGE_POSTFAIL 0x02 |
399 |
#define USB_HID_USAGE_ERROR_UNDEFINED 0x03 |
400 |
|
401 |
/* Indices are QEMU keycodes, values are from HID Usage Table. Indices
|
402 |
* above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */
|
403 |
static const uint8_t usb_hid_usage_keys[0x100] = { |
404 |
0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
405 |
0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b, |
406 |
0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c, |
407 |
0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16, |
408 |
0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33, |
409 |
0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19, |
410 |
0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55, |
411 |
0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
412 |
0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f, |
413 |
0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59, |
414 |
0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44, |
415 |
0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
416 |
0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00, |
417 |
0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00, |
418 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
419 |
0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, |
420 |
|
421 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
422 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
423 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
424 |
0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00, |
425 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
426 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
427 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46, |
428 |
0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
429 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a, |
430 |
0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d, |
431 |
0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00, |
432 |
0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, 0x00, 0x00, |
433 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
434 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
435 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
436 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
437 |
}; |
438 |
|
439 |
static void usb_hid_changed(USBHIDState *hs) |
440 |
{ |
441 |
hs->changed = 1;
|
442 |
|
443 |
if (hs->datain)
|
444 |
hs->datain(hs->datain_opaque); |
445 |
|
446 |
usb_wakeup(&hs->dev); |
447 |
} |
448 |
|
449 |
static void usb_pointer_event_clear(USBPointerEvent *e, int buttons) { |
450 |
e->xdx = e->ydy = e->dz = 0;
|
451 |
e->buttons_state = buttons; |
452 |
} |
453 |
|
454 |
static void usb_pointer_event_combine(USBPointerEvent *e, int xyrel, |
455 |
int x1, int y1, int z1) { |
456 |
if (xyrel) {
|
457 |
e->xdx += x1; |
458 |
e->ydy += y1; |
459 |
} else {
|
460 |
e->xdx = x1; |
461 |
e->ydy = y1; |
462 |
} |
463 |
e->dz += z1; |
464 |
} |
465 |
|
466 |
static void usb_pointer_event(void *opaque, |
467 |
int x1, int y1, int z1, int buttons_state) |
468 |
{ |
469 |
USBHIDState *hs = opaque; |
470 |
USBMouseState *s = &hs->ptr; |
471 |
unsigned use_slot = (hs->head + hs->n - 1) & QUEUE_MASK; |
472 |
unsigned previous_slot = (use_slot - 1) & QUEUE_MASK; |
473 |
|
474 |
/* We combine events where feasible to keep the queue small. We shouldn't
|
475 |
* combine anything with the first event of a particular button state, as
|
476 |
* that would change the location of the button state change. When the
|
477 |
* queue is empty, a second event is needed because we don't know if
|
478 |
* the first event changed the button state. */
|
479 |
if (hs->n == QUEUE_LENGTH) {
|
480 |
/* Queue full. Discard old button state, combine motion normally. */
|
481 |
s->queue[use_slot].buttons_state = buttons_state; |
482 |
} else if (hs->n < 2 || |
483 |
s->queue[use_slot].buttons_state != buttons_state || |
484 |
s->queue[previous_slot].buttons_state != s->queue[use_slot].buttons_state) { |
485 |
/* Cannot or should not combine, so add an empty item to the queue. */
|
486 |
QUEUE_INCR(use_slot); |
487 |
hs->n++; |
488 |
usb_pointer_event_clear(&s->queue[use_slot], buttons_state); |
489 |
} |
490 |
usb_pointer_event_combine(&s->queue[use_slot], |
491 |
hs->kind == USB_MOUSE, |
492 |
x1, y1, z1); |
493 |
usb_hid_changed(hs); |
494 |
} |
495 |
|
496 |
static void usb_keyboard_event(void *opaque, int keycode) |
497 |
{ |
498 |
USBHIDState *hs = opaque; |
499 |
USBKeyboardState *s = &hs->kbd; |
500 |
int slot;
|
501 |
|
502 |
if (hs->n == QUEUE_LENGTH) {
|
503 |
fprintf(stderr, "usb-kbd: warning: key event queue full\n");
|
504 |
return;
|
505 |
} |
506 |
slot = (hs->head + hs->n) & QUEUE_MASK; hs->n++; |
507 |
s->keycodes[slot] = keycode; |
508 |
usb_hid_changed(hs); |
509 |
} |
510 |
|
511 |
static void usb_keyboard_process_keycode(USBHIDState *hs) |
512 |
{ |
513 |
USBKeyboardState *s = &hs->kbd; |
514 |
uint8_t hid_code, key; |
515 |
int i, keycode, slot;
|
516 |
|
517 |
if (hs->n == 0) { |
518 |
return;
|
519 |
} |
520 |
slot = hs->head & QUEUE_MASK; QUEUE_INCR(hs->head); hs->n--; |
521 |
keycode = s->keycodes[slot]; |
522 |
|
523 |
key = keycode & 0x7f;
|
524 |
hid_code = usb_hid_usage_keys[key | ((s->modifiers >> 1) & (1 << 7))]; |
525 |
s->modifiers &= ~(1 << 8); |
526 |
|
527 |
switch (hid_code) {
|
528 |
case 0x00: |
529 |
return;
|
530 |
|
531 |
case 0xe0: |
532 |
if (s->modifiers & (1 << 9)) { |
533 |
s->modifiers ^= 3 << 8; |
534 |
return;
|
535 |
} |
536 |
case 0xe1 ... 0xe7: |
537 |
if (keycode & (1 << 7)) { |
538 |
s->modifiers &= ~(1 << (hid_code & 0x0f)); |
539 |
return;
|
540 |
} |
541 |
case 0xe8 ... 0xef: |
542 |
s->modifiers |= 1 << (hid_code & 0x0f); |
543 |
return;
|
544 |
} |
545 |
|
546 |
if (keycode & (1 << 7)) { |
547 |
for (i = s->keys - 1; i >= 0; i --) |
548 |
if (s->key[i] == hid_code) {
|
549 |
s->key[i] = s->key[-- s->keys]; |
550 |
s->key[s->keys] = 0x00;
|
551 |
break;
|
552 |
} |
553 |
if (i < 0) |
554 |
return;
|
555 |
} else {
|
556 |
for (i = s->keys - 1; i >= 0; i --) |
557 |
if (s->key[i] == hid_code)
|
558 |
break;
|
559 |
if (i < 0) { |
560 |
if (s->keys < sizeof(s->key)) |
561 |
s->key[s->keys ++] = hid_code; |
562 |
} else
|
563 |
return;
|
564 |
} |
565 |
} |
566 |
|
567 |
static inline int int_clamp(int val, int vmin, int vmax) |
568 |
{ |
569 |
if (val < vmin)
|
570 |
return vmin;
|
571 |
else if (val > vmax) |
572 |
return vmax;
|
573 |
else
|
574 |
return val;
|
575 |
} |
576 |
|
577 |
static int usb_pointer_poll(USBHIDState *hs, uint8_t *buf, int len) |
578 |
{ |
579 |
int dx, dy, dz, b, l;
|
580 |
int index;
|
581 |
USBMouseState *s = &hs->ptr; |
582 |
USBPointerEvent *e; |
583 |
|
584 |
if (!s->mouse_grabbed) {
|
585 |
qemu_activate_mouse_event_handler(s->eh_entry); |
586 |
s->mouse_grabbed = 1;
|
587 |
} |
588 |
|
589 |
/* When the buffer is empty, return the last event. Relative
|
590 |
movements will all be zero. */
|
591 |
index = (hs->n ? hs->head : hs->head - 1);
|
592 |
e = &s->queue[index & QUEUE_MASK]; |
593 |
|
594 |
if (hs->kind == USB_MOUSE) {
|
595 |
dx = int_clamp(e->xdx, -127, 127); |
596 |
dy = int_clamp(e->ydy, -127, 127); |
597 |
e->xdx -= dx; |
598 |
e->ydy -= dy; |
599 |
} else {
|
600 |
dx = e->xdx; |
601 |
dy = e->ydy; |
602 |
} |
603 |
dz = int_clamp(e->dz, -127, 127); |
604 |
e->dz -= dz; |
605 |
|
606 |
b = 0;
|
607 |
if (e->buttons_state & MOUSE_EVENT_LBUTTON)
|
608 |
b |= 0x01;
|
609 |
if (e->buttons_state & MOUSE_EVENT_RBUTTON)
|
610 |
b |= 0x02;
|
611 |
if (e->buttons_state & MOUSE_EVENT_MBUTTON)
|
612 |
b |= 0x04;
|
613 |
|
614 |
if (hs->n &&
|
615 |
!e->dz && |
616 |
(hs->kind == USB_TABLET || (!e->xdx && !e->ydy))) { |
617 |
/* that deals with this event */
|
618 |
QUEUE_INCR(hs->head); |
619 |
hs->n--; |
620 |
} |
621 |
|
622 |
/* Appears we have to invert the wheel direction */
|
623 |
dz = 0 - dz;
|
624 |
l = 0;
|
625 |
switch (hs->kind) {
|
626 |
case USB_MOUSE:
|
627 |
if (len > l)
|
628 |
buf[l++] = b; |
629 |
if (len > l)
|
630 |
buf[l++] = dx; |
631 |
if (len > l)
|
632 |
buf[l++] = dy; |
633 |
if (len > l)
|
634 |
buf[l++] = dz; |
635 |
break;
|
636 |
|
637 |
case USB_TABLET:
|
638 |
if (len > l)
|
639 |
buf[l++] = b; |
640 |
if (len > l)
|
641 |
buf[l++] = dx & 0xff;
|
642 |
if (len > l)
|
643 |
buf[l++] = dx >> 8;
|
644 |
if (len > l)
|
645 |
buf[l++] = dy & 0xff;
|
646 |
if (len > l)
|
647 |
buf[l++] = dy >> 8;
|
648 |
if (len > l)
|
649 |
buf[l++] = dz; |
650 |
break;
|
651 |
|
652 |
default:
|
653 |
abort(); |
654 |
} |
655 |
|
656 |
return l;
|
657 |
} |
658 |
|
659 |
static int usb_keyboard_poll(USBHIDState *hs, uint8_t *buf, int len) |
660 |
{ |
661 |
USBKeyboardState *s = &hs->kbd; |
662 |
if (len < 2) |
663 |
return 0; |
664 |
|
665 |
usb_keyboard_process_keycode(hs); |
666 |
|
667 |
buf[0] = s->modifiers & 0xff; |
668 |
buf[1] = 0; |
669 |
if (s->keys > 6) |
670 |
memset(buf + 2, USB_HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2); |
671 |
else
|
672 |
memcpy(buf + 2, s->key, MIN(8, len) - 2); |
673 |
|
674 |
return MIN(8, len); |
675 |
} |
676 |
|
677 |
static int usb_keyboard_write(USBKeyboardState *s, uint8_t *buf, int len) |
678 |
{ |
679 |
if (len > 0) { |
680 |
int ledstate = 0; |
681 |
/* 0x01: Num Lock LED
|
682 |
* 0x02: Caps Lock LED
|
683 |
* 0x04: Scroll Lock LED
|
684 |
* 0x08: Compose LED
|
685 |
* 0x10: Kana LED */
|
686 |
s->leds = buf[0];
|
687 |
if (s->leds & 0x04) |
688 |
ledstate |= QEMU_SCROLL_LOCK_LED; |
689 |
if (s->leds & 0x01) |
690 |
ledstate |= QEMU_NUM_LOCK_LED; |
691 |
if (s->leds & 0x02) |
692 |
ledstate |= QEMU_CAPS_LOCK_LED; |
693 |
kbd_put_ledstate(ledstate); |
694 |
} |
695 |
return 0; |
696 |
} |
697 |
|
698 |
static void usb_mouse_handle_reset(USBDevice *dev) |
699 |
{ |
700 |
USBHIDState *s = (USBHIDState *)dev; |
701 |
|
702 |
memset(s->ptr.queue, 0, sizeof (s->ptr.queue)); |
703 |
s->head = 0;
|
704 |
s->n = 0;
|
705 |
s->protocol = 1;
|
706 |
} |
707 |
|
708 |
static void usb_keyboard_handle_reset(USBDevice *dev) |
709 |
{ |
710 |
USBHIDState *s = (USBHIDState *)dev; |
711 |
|
712 |
qemu_add_kbd_event_handler(usb_keyboard_event, s); |
713 |
memset(s->kbd.keycodes, 0, sizeof (s->kbd.keycodes)); |
714 |
s->head = 0;
|
715 |
s->n = 0;
|
716 |
memset(s->kbd.key, 0, sizeof (s->kbd.key)); |
717 |
s->kbd.keys = 0;
|
718 |
s->protocol = 1;
|
719 |
} |
720 |
|
721 |
static void usb_hid_set_next_idle(USBHIDState *s, int64_t curtime) |
722 |
{ |
723 |
s->next_idle_clock = curtime + (get_ticks_per_sec() * s->idle * 4) / 1000; |
724 |
} |
725 |
|
726 |
static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, |
727 |
int request, int value, int index, int length, uint8_t *data) |
728 |
{ |
729 |
USBHIDState *s = (USBHIDState *)dev; |
730 |
int ret;
|
731 |
|
732 |
ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
733 |
if (ret >= 0) { |
734 |
return ret;
|
735 |
} |
736 |
|
737 |
ret = 0;
|
738 |
switch(request) {
|
739 |
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
740 |
data[0] = 0; |
741 |
ret = 1;
|
742 |
break;
|
743 |
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
|
744 |
ret = 0;
|
745 |
break;
|
746 |
/* hid specific requests */
|
747 |
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
|
748 |
switch(value >> 8) { |
749 |
case 0x22: |
750 |
if (s->kind == USB_MOUSE) {
|
751 |
memcpy(data, qemu_mouse_hid_report_descriptor, |
752 |
sizeof(qemu_mouse_hid_report_descriptor));
|
753 |
ret = sizeof(qemu_mouse_hid_report_descriptor);
|
754 |
} else if (s->kind == USB_TABLET) { |
755 |
memcpy(data, qemu_tablet_hid_report_descriptor, |
756 |
sizeof(qemu_tablet_hid_report_descriptor));
|
757 |
ret = sizeof(qemu_tablet_hid_report_descriptor);
|
758 |
} else if (s->kind == USB_KEYBOARD) { |
759 |
memcpy(data, qemu_keyboard_hid_report_descriptor, |
760 |
sizeof(qemu_keyboard_hid_report_descriptor));
|
761 |
ret = sizeof(qemu_keyboard_hid_report_descriptor);
|
762 |
} |
763 |
break;
|
764 |
default:
|
765 |
goto fail;
|
766 |
} |
767 |
break;
|
768 |
case GET_REPORT:
|
769 |
if (s->kind == USB_MOUSE || s->kind == USB_TABLET) {
|
770 |
ret = usb_pointer_poll(s, data, length); |
771 |
} else if (s->kind == USB_KEYBOARD) { |
772 |
ret = usb_keyboard_poll(s, data, length); |
773 |
} |
774 |
s->changed = s->n > 0;
|
775 |
break;
|
776 |
case SET_REPORT:
|
777 |
if (s->kind == USB_KEYBOARD)
|
778 |
ret = usb_keyboard_write(&s->kbd, data, length); |
779 |
else
|
780 |
goto fail;
|
781 |
break;
|
782 |
case GET_PROTOCOL:
|
783 |
if (s->kind != USB_KEYBOARD && s->kind != USB_MOUSE)
|
784 |
goto fail;
|
785 |
ret = 1;
|
786 |
data[0] = s->protocol;
|
787 |
break;
|
788 |
case SET_PROTOCOL:
|
789 |
if (s->kind != USB_KEYBOARD && s->kind != USB_MOUSE)
|
790 |
goto fail;
|
791 |
ret = 0;
|
792 |
s->protocol = value; |
793 |
break;
|
794 |
case GET_IDLE:
|
795 |
ret = 1;
|
796 |
data[0] = s->idle;
|
797 |
break;
|
798 |
case SET_IDLE:
|
799 |
s->idle = (uint8_t) (value >> 8);
|
800 |
usb_hid_set_next_idle(s, qemu_get_clock_ns(vm_clock)); |
801 |
ret = 0;
|
802 |
break;
|
803 |
default:
|
804 |
fail:
|
805 |
ret = USB_RET_STALL; |
806 |
break;
|
807 |
} |
808 |
return ret;
|
809 |
} |
810 |
|
811 |
static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) |
812 |
{ |
813 |
USBHIDState *s = (USBHIDState *)dev; |
814 |
int ret = 0; |
815 |
|
816 |
switch(p->pid) {
|
817 |
case USB_TOKEN_IN:
|
818 |
if (p->devep == 1) { |
819 |
int64_t curtime = qemu_get_clock_ns(vm_clock); |
820 |
if (!s->changed && (!s->idle || s->next_idle_clock - curtime > 0)) |
821 |
return USB_RET_NAK;
|
822 |
usb_hid_set_next_idle(s, curtime); |
823 |
if (s->kind == USB_MOUSE || s->kind == USB_TABLET) {
|
824 |
ret = usb_pointer_poll(s, p->data, p->len); |
825 |
} |
826 |
else if (s->kind == USB_KEYBOARD) { |
827 |
ret = usb_keyboard_poll(s, p->data, p->len); |
828 |
} |
829 |
s->changed = s->n > 0;
|
830 |
} else {
|
831 |
goto fail;
|
832 |
} |
833 |
break;
|
834 |
case USB_TOKEN_OUT:
|
835 |
default:
|
836 |
fail:
|
837 |
ret = USB_RET_STALL; |
838 |
break;
|
839 |
} |
840 |
return ret;
|
841 |
} |
842 |
|
843 |
static void usb_hid_handle_destroy(USBDevice *dev) |
844 |
{ |
845 |
USBHIDState *s = (USBHIDState *)dev; |
846 |
|
847 |
switch(s->kind) {
|
848 |
case USB_KEYBOARD:
|
849 |
qemu_remove_kbd_event_handler(); |
850 |
break;
|
851 |
default:
|
852 |
qemu_remove_mouse_event_handler(s->ptr.eh_entry); |
853 |
} |
854 |
} |
855 |
|
856 |
static int usb_hid_initfn(USBDevice *dev, int kind) |
857 |
{ |
858 |
USBHIDState *s = DO_UPCAST(USBHIDState, dev, dev); |
859 |
|
860 |
usb_desc_init(dev); |
861 |
s->kind = kind; |
862 |
|
863 |
if (s->kind == USB_MOUSE) {
|
864 |
s->ptr.eh_entry = qemu_add_mouse_event_handler(usb_pointer_event, s, |
865 |
0, "QEMU USB Mouse"); |
866 |
} else if (s->kind == USB_TABLET) { |
867 |
s->ptr.eh_entry = qemu_add_mouse_event_handler(usb_pointer_event, s, |
868 |
1, "QEMU USB Tablet"); |
869 |
} |
870 |
|
871 |
/* Force poll routine to be run and grab input the first time. */
|
872 |
s->changed = 1;
|
873 |
return 0; |
874 |
} |
875 |
|
876 |
static int usb_tablet_initfn(USBDevice *dev) |
877 |
{ |
878 |
return usb_hid_initfn(dev, USB_TABLET);
|
879 |
} |
880 |
|
881 |
static int usb_mouse_initfn(USBDevice *dev) |
882 |
{ |
883 |
return usb_hid_initfn(dev, USB_MOUSE);
|
884 |
} |
885 |
|
886 |
static int usb_keyboard_initfn(USBDevice *dev) |
887 |
{ |
888 |
return usb_hid_initfn(dev, USB_KEYBOARD);
|
889 |
} |
890 |
|
891 |
void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *)) |
892 |
{ |
893 |
USBHIDState *s = (USBHIDState *)dev; |
894 |
|
895 |
s->datain_opaque = opaque; |
896 |
s->datain = datain; |
897 |
} |
898 |
|
899 |
static int usb_hid_post_load(void *opaque, int version_id) |
900 |
{ |
901 |
USBHIDState *s = opaque; |
902 |
|
903 |
if (s->idle) {
|
904 |
usb_hid_set_next_idle(s, qemu_get_clock_ns(vm_clock)); |
905 |
} |
906 |
return 0; |
907 |
} |
908 |
|
909 |
static const VMStateDescription vmstate_usb_ptr_queue = { |
910 |
.name = "usb-ptr-queue",
|
911 |
.version_id = 1,
|
912 |
.minimum_version_id = 1,
|
913 |
.fields = (VMStateField []) { |
914 |
VMSTATE_INT32(xdx, USBPointerEvent), |
915 |
VMSTATE_INT32(ydy, USBPointerEvent), |
916 |
VMSTATE_INT32(dz, USBPointerEvent), |
917 |
VMSTATE_INT32(buttons_state, USBPointerEvent), |
918 |
VMSTATE_END_OF_LIST() |
919 |
} |
920 |
}; |
921 |
static const VMStateDescription vmstate_usb_ptr = { |
922 |
.name = "usb-ptr",
|
923 |
.version_id = 1,
|
924 |
.minimum_version_id = 1,
|
925 |
.post_load = usb_hid_post_load, |
926 |
.fields = (VMStateField []) { |
927 |
VMSTATE_USB_DEVICE(dev, USBHIDState), |
928 |
VMSTATE_STRUCT_ARRAY(ptr.queue, USBHIDState, QUEUE_LENGTH, 0,
|
929 |
vmstate_usb_ptr_queue, USBPointerEvent), |
930 |
VMSTATE_UINT32(head, USBHIDState), |
931 |
VMSTATE_UINT32(n, USBHIDState), |
932 |
VMSTATE_INT32(protocol, USBHIDState), |
933 |
VMSTATE_UINT8(idle, USBHIDState), |
934 |
VMSTATE_END_OF_LIST() |
935 |
} |
936 |
}; |
937 |
|
938 |
static const VMStateDescription vmstate_usb_kbd = { |
939 |
.name = "usb-kbd",
|
940 |
.version_id = 1,
|
941 |
.minimum_version_id = 1,
|
942 |
.post_load = usb_hid_post_load, |
943 |
.fields = (VMStateField []) { |
944 |
VMSTATE_USB_DEVICE(dev, USBHIDState), |
945 |
VMSTATE_UINT32_ARRAY(kbd.keycodes, USBHIDState, QUEUE_LENGTH), |
946 |
VMSTATE_UINT32(head, USBHIDState), |
947 |
VMSTATE_UINT32(n, USBHIDState), |
948 |
VMSTATE_UINT16(kbd.modifiers, USBHIDState), |
949 |
VMSTATE_UINT8(kbd.leds, USBHIDState), |
950 |
VMSTATE_UINT8_ARRAY(kbd.key, USBHIDState, 16),
|
951 |
VMSTATE_INT32(kbd.keys, USBHIDState), |
952 |
VMSTATE_INT32(protocol, USBHIDState), |
953 |
VMSTATE_UINT8(idle, USBHIDState), |
954 |
VMSTATE_END_OF_LIST() |
955 |
} |
956 |
}; |
957 |
|
958 |
static struct USBDeviceInfo hid_info[] = { |
959 |
{ |
960 |
.product_desc = "QEMU USB Tablet",
|
961 |
.qdev.name = "usb-tablet",
|
962 |
.usbdevice_name = "tablet",
|
963 |
.qdev.size = sizeof(USBHIDState),
|
964 |
.qdev.vmsd = &vmstate_usb_ptr, |
965 |
.usb_desc = &desc_tablet, |
966 |
.init = usb_tablet_initfn, |
967 |
.handle_packet = usb_generic_handle_packet, |
968 |
.handle_reset = usb_mouse_handle_reset, |
969 |
.handle_control = usb_hid_handle_control, |
970 |
.handle_data = usb_hid_handle_data, |
971 |
.handle_destroy = usb_hid_handle_destroy, |
972 |
},{ |
973 |
.product_desc = "QEMU USB Mouse",
|
974 |
.qdev.name = "usb-mouse",
|
975 |
.usbdevice_name = "mouse",
|
976 |
.qdev.size = sizeof(USBHIDState),
|
977 |
.qdev.vmsd = &vmstate_usb_ptr, |
978 |
.usb_desc = &desc_mouse, |
979 |
.init = usb_mouse_initfn, |
980 |
.handle_packet = usb_generic_handle_packet, |
981 |
.handle_reset = usb_mouse_handle_reset, |
982 |
.handle_control = usb_hid_handle_control, |
983 |
.handle_data = usb_hid_handle_data, |
984 |
.handle_destroy = usb_hid_handle_destroy, |
985 |
},{ |
986 |
.product_desc = "QEMU USB Keyboard",
|
987 |
.qdev.name = "usb-kbd",
|
988 |
.usbdevice_name = "keyboard",
|
989 |
.qdev.size = sizeof(USBHIDState),
|
990 |
.qdev.vmsd = &vmstate_usb_kbd, |
991 |
.usb_desc = &desc_keyboard, |
992 |
.init = usb_keyboard_initfn, |
993 |
.handle_packet = usb_generic_handle_packet, |
994 |
.handle_reset = usb_keyboard_handle_reset, |
995 |
.handle_control = usb_hid_handle_control, |
996 |
.handle_data = usb_hid_handle_data, |
997 |
.handle_destroy = usb_hid_handle_destroy, |
998 |
},{ |
999 |
/* end of list */
|
1000 |
} |
1001 |
}; |
1002 |
|
1003 |
static void usb_hid_register_devices(void) |
1004 |
{ |
1005 |
usb_qdev_register_many(hid_info); |
1006 |
} |
1007 |
device_init(usb_hid_register_devices) |