Revision dcfda673
| b/Makefile.objs | ||
|---|---|---|
| 89 | 89 |
common-obj-y += eeprom93xx.o |
| 90 | 90 |
common-obj-y += scsi-disk.o cdrom.o |
| 91 | 91 |
common-obj-y += scsi-generic.o scsi-bus.o |
| 92 |
common-obj-y += hid.o |
|
| 92 | 93 |
common-obj-y += usb.o usb-hub.o usb-$(HOST_USB).o usb-hid.o usb-msd.o usb-wacom.o |
| 93 | 94 |
common-obj-y += usb-serial.o usb-net.o usb-bus.o usb-desc.o |
| 94 | 95 |
common-obj-$(CONFIG_SSI) += ssi.o |
| b/hw/hid.c | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* QEMU HID devices |
|
| 3 |
* |
|
| 4 |
* Copyright (c) 2005 Fabrice Bellard |
|
| 5 |
* Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com) |
|
| 6 |
* |
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| 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 |
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| 9 |
* in the Software without restriction, including without limitation the rights |
|
| 10 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 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 |
* |
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| 14 |
* The above copyright notice and this permission notice shall be included in |
|
| 15 |
* all copies or substantial portions of the Software. |
|
| 16 |
* |
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| 17 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 23 |
* THE SOFTWARE. |
|
| 24 |
*/ |
|
| 25 |
#include "hw.h" |
|
| 26 |
#include "console.h" |
|
| 27 |
#include "hid.h" |
|
| 28 |
|
|
| 29 |
#define HID_USAGE_ERROR_ROLLOVER 0x01 |
|
| 30 |
#define HID_USAGE_POSTFAIL 0x02 |
|
| 31 |
#define HID_USAGE_ERROR_UNDEFINED 0x03 |
|
| 32 |
|
|
| 33 |
/* Indices are QEMU keycodes, values are from HID Usage Table. Indices |
|
| 34 |
* above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */ |
|
| 35 |
static const uint8_t hid_usage_keys[0x100] = {
|
|
| 36 |
0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
|
| 37 |
0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b, |
|
| 38 |
0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c, |
|
| 39 |
0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16, |
|
| 40 |
0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33, |
|
| 41 |
0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19, |
|
| 42 |
0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55, |
|
| 43 |
0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
|
| 44 |
0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f, |
|
| 45 |
0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59, |
|
| 46 |
0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44, |
|
| 47 |
0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
|
| 48 |
0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00, |
|
| 49 |
0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00, |
|
| 50 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 51 |
0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, |
|
| 52 |
|
|
| 53 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 54 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 55 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 56 |
0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00, |
|
| 57 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 58 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 59 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46, |
|
| 60 |
0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 61 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a, |
|
| 62 |
0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d, |
|
| 63 |
0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00, |
|
| 64 |
0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, 0x00, 0x00, |
|
| 65 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 66 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 67 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 68 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 69 |
}; |
|
| 70 |
|
|
| 71 |
bool hid_has_events(HIDState *hs) |
|
| 72 |
{
|
|
| 73 |
return hs->n > 0; |
|
| 74 |
} |
|
| 75 |
|
|
| 76 |
static void hid_pointer_event_clear(HIDPointerEvent *e, int buttons) |
|
| 77 |
{
|
|
| 78 |
e->xdx = e->ydy = e->dz = 0; |
|
| 79 |
e->buttons_state = buttons; |
|
| 80 |
} |
|
| 81 |
|
|
| 82 |
static void hid_pointer_event_combine(HIDPointerEvent *e, int xyrel, |
|
| 83 |
int x1, int y1, int z1) {
|
|
| 84 |
if (xyrel) {
|
|
| 85 |
e->xdx += x1; |
|
| 86 |
e->ydy += y1; |
|
| 87 |
} else {
|
|
| 88 |
e->xdx = x1; |
|
| 89 |
e->ydy = y1; |
|
| 90 |
/* Windows drivers do not like the 0/0 position and ignore such |
|
| 91 |
* events. */ |
|
| 92 |
if (!(x1 | y1)) {
|
|
| 93 |
x1 = 1; |
|
| 94 |
} |
|
| 95 |
} |
|
| 96 |
e->dz += z1; |
|
| 97 |
} |
|
| 98 |
|
|
| 99 |
static void hid_pointer_event(void *opaque, |
|
| 100 |
int x1, int y1, int z1, int buttons_state) |
|
| 101 |
{
|
|
| 102 |
HIDState *hs = opaque; |
|
| 103 |
unsigned use_slot = (hs->head + hs->n - 1) & QUEUE_MASK; |
|
| 104 |
unsigned previous_slot = (use_slot - 1) & QUEUE_MASK; |
|
| 105 |
|
|
| 106 |
/* We combine events where feasible to keep the queue small. We shouldn't |
|
| 107 |
* combine anything with the first event of a particular button state, as |
|
| 108 |
* that would change the location of the button state change. When the |
|
| 109 |
* queue is empty, a second event is needed because we don't know if |
|
| 110 |
* the first event changed the button state. */ |
|
| 111 |
if (hs->n == QUEUE_LENGTH) {
|
|
| 112 |
/* Queue full. Discard old button state, combine motion normally. */ |
|
| 113 |
hs->ptr.queue[use_slot].buttons_state = buttons_state; |
|
| 114 |
} else if (hs->n < 2 || |
|
| 115 |
hs->ptr.queue[use_slot].buttons_state != buttons_state || |
|
| 116 |
hs->ptr.queue[previous_slot].buttons_state != |
|
| 117 |
hs->ptr.queue[use_slot].buttons_state) {
|
|
| 118 |
/* Cannot or should not combine, so add an empty item to the queue. */ |
|
| 119 |
QUEUE_INCR(use_slot); |
|
| 120 |
hs->n++; |
|
| 121 |
hid_pointer_event_clear(&hs->ptr.queue[use_slot], buttons_state); |
|
| 122 |
} |
|
| 123 |
hid_pointer_event_combine(&hs->ptr.queue[use_slot], |
|
| 124 |
hs->kind == HID_MOUSE, |
|
| 125 |
x1, y1, z1); |
|
| 126 |
hs->event(hs); |
|
| 127 |
} |
|
| 128 |
|
|
| 129 |
static void hid_keyboard_event(void *opaque, int keycode) |
|
| 130 |
{
|
|
| 131 |
HIDState *hs = opaque; |
|
| 132 |
int slot; |
|
| 133 |
|
|
| 134 |
if (hs->n == QUEUE_LENGTH) {
|
|
| 135 |
fprintf(stderr, "usb-kbd: warning: key event queue full\n"); |
|
| 136 |
return; |
|
| 137 |
} |
|
| 138 |
slot = (hs->head + hs->n) & QUEUE_MASK; hs->n++; |
|
| 139 |
hs->kbd.keycodes[slot] = keycode; |
|
| 140 |
hs->event(hs); |
|
| 141 |
} |
|
| 142 |
|
|
| 143 |
static void hid_keyboard_process_keycode(HIDState *hs) |
|
| 144 |
{
|
|
| 145 |
uint8_t hid_code, key; |
|
| 146 |
int i, keycode, slot; |
|
| 147 |
|
|
| 148 |
if (hs->n == 0) {
|
|
| 149 |
return; |
|
| 150 |
} |
|
| 151 |
slot = hs->head & QUEUE_MASK; QUEUE_INCR(hs->head); hs->n--; |
|
| 152 |
keycode = hs->kbd.keycodes[slot]; |
|
| 153 |
|
|
| 154 |
key = keycode & 0x7f; |
|
| 155 |
hid_code = hid_usage_keys[key | ((hs->kbd.modifiers >> 1) & (1 << 7))]; |
|
| 156 |
hs->kbd.modifiers &= ~(1 << 8); |
|
| 157 |
|
|
| 158 |
switch (hid_code) {
|
|
| 159 |
case 0x00: |
|
| 160 |
return; |
|
| 161 |
|
|
| 162 |
case 0xe0: |
|
| 163 |
if (hs->kbd.modifiers & (1 << 9)) {
|
|
| 164 |
hs->kbd.modifiers ^= 3 << 8; |
|
| 165 |
return; |
|
| 166 |
} |
|
| 167 |
case 0xe1 ... 0xe7: |
|
| 168 |
if (keycode & (1 << 7)) {
|
|
| 169 |
hs->kbd.modifiers &= ~(1 << (hid_code & 0x0f)); |
|
| 170 |
return; |
|
| 171 |
} |
|
| 172 |
case 0xe8 ... 0xef: |
|
| 173 |
hs->kbd.modifiers |= 1 << (hid_code & 0x0f); |
|
| 174 |
return; |
|
| 175 |
} |
|
| 176 |
|
|
| 177 |
if (keycode & (1 << 7)) {
|
|
| 178 |
for (i = hs->kbd.keys - 1; i >= 0; i--) {
|
|
| 179 |
if (hs->kbd.key[i] == hid_code) {
|
|
| 180 |
hs->kbd.key[i] = hs->kbd.key[-- hs->kbd.keys]; |
|
| 181 |
hs->kbd.key[hs->kbd.keys] = 0x00; |
|
| 182 |
break; |
|
| 183 |
} |
|
| 184 |
} |
|
| 185 |
if (i < 0) {
|
|
| 186 |
return; |
|
| 187 |
} |
|
| 188 |
} else {
|
|
| 189 |
for (i = hs->kbd.keys - 1; i >= 0; i--) {
|
|
| 190 |
if (hs->kbd.key[i] == hid_code) {
|
|
| 191 |
break; |
|
| 192 |
} |
|
| 193 |
} |
|
| 194 |
if (i < 0) {
|
|
| 195 |
if (hs->kbd.keys < sizeof(hs->kbd.key)) {
|
|
| 196 |
hs->kbd.key[hs->kbd.keys++] = hid_code; |
|
| 197 |
} |
|
| 198 |
} else {
|
|
| 199 |
return; |
|
| 200 |
} |
|
| 201 |
} |
|
| 202 |
} |
|
| 203 |
|
|
| 204 |
static inline int int_clamp(int val, int vmin, int vmax) |
|
| 205 |
{
|
|
| 206 |
if (val < vmin) {
|
|
| 207 |
return vmin; |
|
| 208 |
} else if (val > vmax) {
|
|
| 209 |
return vmax; |
|
| 210 |
} else {
|
|
| 211 |
return val; |
|
| 212 |
} |
|
| 213 |
} |
|
| 214 |
|
|
| 215 |
int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len) |
|
| 216 |
{
|
|
| 217 |
int dx, dy, dz, b, l; |
|
| 218 |
int index; |
|
| 219 |
HIDPointerEvent *e; |
|
| 220 |
|
|
| 221 |
if (!hs->ptr.mouse_grabbed) {
|
|
| 222 |
qemu_activate_mouse_event_handler(hs->ptr.eh_entry); |
|
| 223 |
hs->ptr.mouse_grabbed = 1; |
|
| 224 |
} |
|
| 225 |
|
|
| 226 |
/* When the buffer is empty, return the last event. Relative |
|
| 227 |
movements will all be zero. */ |
|
| 228 |
index = (hs->n ? hs->head : hs->head - 1); |
|
| 229 |
e = &hs->ptr.queue[index & QUEUE_MASK]; |
|
| 230 |
|
|
| 231 |
if (hs->kind == HID_MOUSE) {
|
|
| 232 |
dx = int_clamp(e->xdx, -127, 127); |
|
| 233 |
dy = int_clamp(e->ydy, -127, 127); |
|
| 234 |
e->xdx -= dx; |
|
| 235 |
e->ydy -= dy; |
|
| 236 |
} else {
|
|
| 237 |
dx = e->xdx; |
|
| 238 |
dy = e->ydy; |
|
| 239 |
} |
|
| 240 |
dz = int_clamp(e->dz, -127, 127); |
|
| 241 |
e->dz -= dz; |
|
| 242 |
|
|
| 243 |
b = 0; |
|
| 244 |
if (e->buttons_state & MOUSE_EVENT_LBUTTON) {
|
|
| 245 |
b |= 0x01; |
|
| 246 |
} |
|
| 247 |
if (e->buttons_state & MOUSE_EVENT_RBUTTON) {
|
|
| 248 |
b |= 0x02; |
|
| 249 |
} |
|
| 250 |
if (e->buttons_state & MOUSE_EVENT_MBUTTON) {
|
|
| 251 |
b |= 0x04; |
|
| 252 |
} |
|
| 253 |
|
|
| 254 |
if (hs->n && |
|
| 255 |
!e->dz && |
|
| 256 |
(hs->kind == HID_TABLET || (!e->xdx && !e->ydy))) {
|
|
| 257 |
/* that deals with this event */ |
|
| 258 |
QUEUE_INCR(hs->head); |
|
| 259 |
hs->n--; |
|
| 260 |
} |
|
| 261 |
|
|
| 262 |
/* Appears we have to invert the wheel direction */ |
|
| 263 |
dz = 0 - dz; |
|
| 264 |
l = 0; |
|
| 265 |
switch (hs->kind) {
|
|
| 266 |
case HID_MOUSE: |
|
| 267 |
if (len > l) {
|
|
| 268 |
buf[l++] = b; |
|
| 269 |
} |
|
| 270 |
if (len > l) {
|
|
| 271 |
buf[l++] = dx; |
|
| 272 |
} |
|
| 273 |
if (len > l) {
|
|
| 274 |
buf[l++] = dy; |
|
| 275 |
} |
|
| 276 |
if (len > l) {
|
|
| 277 |
buf[l++] = dz; |
|
| 278 |
} |
|
| 279 |
break; |
|
| 280 |
|
|
| 281 |
case HID_TABLET: |
|
| 282 |
if (len > l) {
|
|
| 283 |
buf[l++] = b; |
|
| 284 |
} |
|
| 285 |
if (len > l) {
|
|
| 286 |
buf[l++] = dx & 0xff; |
|
| 287 |
} |
|
| 288 |
if (len > l) {
|
|
| 289 |
buf[l++] = dx >> 8; |
|
| 290 |
} |
|
| 291 |
if (len > l) {
|
|
| 292 |
buf[l++] = dy & 0xff; |
|
| 293 |
} |
|
| 294 |
if (len > l) {
|
|
| 295 |
buf[l++] = dy >> 8; |
|
| 296 |
} |
|
| 297 |
if (len > l) {
|
|
| 298 |
buf[l++] = dz; |
|
| 299 |
} |
|
| 300 |
break; |
|
| 301 |
|
|
| 302 |
default: |
|
| 303 |
abort(); |
|
| 304 |
} |
|
| 305 |
|
|
| 306 |
return l; |
|
| 307 |
} |
|
| 308 |
|
|
| 309 |
int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len) |
|
| 310 |
{
|
|
| 311 |
if (len < 2) {
|
|
| 312 |
return 0; |
|
| 313 |
} |
|
| 314 |
|
|
| 315 |
hid_keyboard_process_keycode(hs); |
|
| 316 |
|
|
| 317 |
buf[0] = hs->kbd.modifiers & 0xff; |
|
| 318 |
buf[1] = 0; |
|
| 319 |
if (hs->kbd.keys > 6) {
|
|
| 320 |
memset(buf + 2, HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2); |
|
| 321 |
} else {
|
|
| 322 |
memcpy(buf + 2, hs->kbd.key, MIN(8, len) - 2); |
|
| 323 |
} |
|
| 324 |
|
|
| 325 |
return MIN(8, len); |
|
| 326 |
} |
|
| 327 |
|
|
| 328 |
int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len) |
|
| 329 |
{
|
|
| 330 |
if (len > 0) {
|
|
| 331 |
int ledstate = 0; |
|
| 332 |
/* 0x01: Num Lock LED |
|
| 333 |
* 0x02: Caps Lock LED |
|
| 334 |
* 0x04: Scroll Lock LED |
|
| 335 |
* 0x08: Compose LED |
|
| 336 |
* 0x10: Kana LED */ |
|
| 337 |
hs->kbd.leds = buf[0]; |
|
| 338 |
if (hs->kbd.leds & 0x04) {
|
|
| 339 |
ledstate |= QEMU_SCROLL_LOCK_LED; |
|
| 340 |
} |
|
| 341 |
if (hs->kbd.leds & 0x01) {
|
|
| 342 |
ledstate |= QEMU_NUM_LOCK_LED; |
|
| 343 |
} |
|
| 344 |
if (hs->kbd.leds & 0x02) {
|
|
| 345 |
ledstate |= QEMU_CAPS_LOCK_LED; |
|
| 346 |
} |
|
| 347 |
kbd_put_ledstate(ledstate); |
|
| 348 |
} |
|
| 349 |
return 0; |
|
| 350 |
} |
|
| 351 |
|
|
| 352 |
void hid_reset(HIDState *hs) |
|
| 353 |
{
|
|
| 354 |
switch (hs->kind) {
|
|
| 355 |
case HID_KEYBOARD: |
|
| 356 |
qemu_add_kbd_event_handler(hid_keyboard_event, hs); |
|
| 357 |
memset(hs->kbd.keycodes, 0, sizeof(hs->kbd.keycodes)); |
|
| 358 |
memset(hs->kbd.key, 0, sizeof(hs->kbd.key)); |
|
| 359 |
hs->kbd.keys = 0; |
|
| 360 |
break; |
|
| 361 |
case HID_MOUSE: |
|
| 362 |
case HID_TABLET: |
|
| 363 |
memset(hs->ptr.queue, 0, sizeof(hs->ptr.queue)); |
|
| 364 |
break; |
|
| 365 |
} |
|
| 366 |
hs->head = 0; |
|
| 367 |
hs->n = 0; |
|
| 368 |
} |
|
| 369 |
|
|
| 370 |
void hid_free(HIDState *hs) |
|
| 371 |
{
|
|
| 372 |
switch (hs->kind) {
|
|
| 373 |
case HID_KEYBOARD: |
|
| 374 |
qemu_remove_kbd_event_handler(); |
|
| 375 |
break; |
|
| 376 |
case HID_MOUSE: |
|
| 377 |
case HID_TABLET: |
|
| 378 |
qemu_remove_mouse_event_handler(hs->ptr.eh_entry); |
|
| 379 |
break; |
|
| 380 |
} |
|
| 381 |
} |
|
| 382 |
|
|
| 383 |
void hid_init(HIDState *hs, int kind, HIDEventFunc event) |
|
| 384 |
{
|
|
| 385 |
hs->kind = kind; |
|
| 386 |
hs->event = event; |
|
| 387 |
|
|
| 388 |
if (hs->kind == HID_MOUSE) {
|
|
| 389 |
hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs, |
|
| 390 |
0, "QEMU HID Mouse"); |
|
| 391 |
} else if (hs->kind == HID_TABLET) {
|
|
| 392 |
hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs, |
|
| 393 |
1, "QEMU HID Tablet"); |
|
| 394 |
} |
|
| 395 |
} |
|
| b/hw/hid.h | ||
|---|---|---|
| 1 |
#ifndef QEMU_HID_H |
|
| 2 |
#define QEMU_HID_H |
|
| 3 |
|
|
| 4 |
#define HID_MOUSE 1 |
|
| 5 |
#define HID_TABLET 2 |
|
| 6 |
#define HID_KEYBOARD 3 |
|
| 7 |
|
|
| 8 |
typedef struct HIDPointerEvent {
|
|
| 9 |
int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */ |
|
| 10 |
int32_t dz, buttons_state; |
|
| 11 |
} HIDPointerEvent; |
|
| 12 |
|
|
| 13 |
#define QUEUE_LENGTH 16 /* should be enough for a triple-click */ |
|
| 14 |
#define QUEUE_MASK (QUEUE_LENGTH-1u) |
|
| 15 |
#define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK) |
|
| 16 |
|
|
| 17 |
typedef struct HIDState HIDState; |
|
| 18 |
typedef void (*HIDEventFunc)(HIDState *s); |
|
| 19 |
|
|
| 20 |
typedef struct HIDMouseState {
|
|
| 21 |
HIDPointerEvent queue[QUEUE_LENGTH]; |
|
| 22 |
int mouse_grabbed; |
|
| 23 |
QEMUPutMouseEntry *eh_entry; |
|
| 24 |
} HIDMouseState; |
|
| 25 |
|
|
| 26 |
typedef struct HIDKeyboardState {
|
|
| 27 |
uint32_t keycodes[QUEUE_LENGTH]; |
|
| 28 |
uint16_t modifiers; |
|
| 29 |
uint8_t leds; |
|
| 30 |
uint8_t key[16]; |
|
| 31 |
int32_t keys; |
|
| 32 |
} HIDKeyboardState; |
|
| 33 |
|
|
| 34 |
struct HIDState {
|
|
| 35 |
union {
|
|
| 36 |
HIDMouseState ptr; |
|
| 37 |
HIDKeyboardState kbd; |
|
| 38 |
}; |
|
| 39 |
uint32_t head; /* index into circular queue */ |
|
| 40 |
uint32_t n; |
|
| 41 |
int kind; |
|
| 42 |
HIDEventFunc event; |
|
| 43 |
}; |
|
| 44 |
|
|
| 45 |
void hid_init(HIDState *hs, int kind, HIDEventFunc event); |
|
| 46 |
void hid_reset(HIDState *hs); |
|
| 47 |
void hid_free(HIDState *hs); |
|
| 48 |
|
|
| 49 |
bool hid_has_events(HIDState *hs); |
|
| 50 |
int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len); |
|
| 51 |
int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len); |
|
| 52 |
int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len); |
|
| 53 |
|
|
| 54 |
#endif /* QEMU_HID_H */ |
|
| b/hw/usb-hid.c | ||
|---|---|---|
| 27 | 27 |
#include "usb.h" |
| 28 | 28 |
#include "usb-desc.h" |
| 29 | 29 |
#include "qemu-timer.h" |
| 30 |
#include "hid.h" |
|
| 30 | 31 |
|
| 31 | 32 |
/* HID interface requests */ |
| 32 | 33 |
#define GET_REPORT 0xa101 |
| ... | ... | |
| 41 | 42 |
#define USB_DT_REPORT 0x22 |
| 42 | 43 |
#define USB_DT_PHY 0x23 |
| 43 | 44 |
|
| 44 |
#define HID_MOUSE 1 |
|
| 45 |
#define HID_TABLET 2 |
|
| 46 |
#define HID_KEYBOARD 3 |
|
| 47 |
|
|
| 48 |
typedef struct HIDPointerEvent {
|
|
| 49 |
int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */ |
|
| 50 |
int32_t dz, buttons_state; |
|
| 51 |
} HIDPointerEvent; |
|
| 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 HIDState HIDState; |
|
| 58 |
typedef void (*HIDEventFunc)(HIDState *s); |
|
| 59 |
|
|
| 60 |
typedef struct HIDMouseState {
|
|
| 61 |
HIDPointerEvent queue[QUEUE_LENGTH]; |
|
| 62 |
int mouse_grabbed; |
|
| 63 |
QEMUPutMouseEntry *eh_entry; |
|
| 64 |
} HIDMouseState; |
|
| 65 |
|
|
| 66 |
typedef struct HIDKeyboardState {
|
|
| 67 |
uint32_t keycodes[QUEUE_LENGTH]; |
|
| 68 |
uint16_t modifiers; |
|
| 69 |
uint8_t leds; |
|
| 70 |
uint8_t key[16]; |
|
| 71 |
int32_t keys; |
|
| 72 |
} HIDKeyboardState; |
|
| 73 |
|
|
| 74 |
struct HIDState {
|
|
| 75 |
union {
|
|
| 76 |
HIDMouseState ptr; |
|
| 77 |
HIDKeyboardState kbd; |
|
| 78 |
}; |
|
| 79 |
uint32_t head; /* index into circular queue */ |
|
| 80 |
uint32_t n; |
|
| 81 |
int kind; |
|
| 82 |
HIDEventFunc event; |
|
| 83 |
}; |
|
| 84 |
|
|
| 85 | 45 |
typedef struct USBHIDState {
|
| 86 | 46 |
USBDevice dev; |
| 87 | 47 |
HIDState hid; |
| ... | ... | |
| 401 | 361 |
0xc0, /* End Collection */ |
| 402 | 362 |
}; |
| 403 | 363 |
|
| 404 |
#define USB_HID_USAGE_ERROR_ROLLOVER 0x01 |
|
| 405 |
#define USB_HID_USAGE_POSTFAIL 0x02 |
|
| 406 |
#define USB_HID_USAGE_ERROR_UNDEFINED 0x03 |
|
| 407 |
|
|
| 408 |
/* Indices are QEMU keycodes, values are from HID Usage Table. Indices |
|
| 409 |
* above 0x80 are for keys that come after 0xe0 or 0xe1+0x1d or 0xe1+0x9d. */ |
|
| 410 |
static const uint8_t usb_hid_usage_keys[0x100] = {
|
|
| 411 |
0x00, 0x29, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, |
|
| 412 |
0x24, 0x25, 0x26, 0x27, 0x2d, 0x2e, 0x2a, 0x2b, |
|
| 413 |
0x14, 0x1a, 0x08, 0x15, 0x17, 0x1c, 0x18, 0x0c, |
|
| 414 |
0x12, 0x13, 0x2f, 0x30, 0x28, 0xe0, 0x04, 0x16, |
|
| 415 |
0x07, 0x09, 0x0a, 0x0b, 0x0d, 0x0e, 0x0f, 0x33, |
|
| 416 |
0x34, 0x35, 0xe1, 0x31, 0x1d, 0x1b, 0x06, 0x19, |
|
| 417 |
0x05, 0x11, 0x10, 0x36, 0x37, 0x38, 0xe5, 0x55, |
|
| 418 |
0xe2, 0x2c, 0x32, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, |
|
| 419 |
0x3f, 0x40, 0x41, 0x42, 0x43, 0x53, 0x47, 0x5f, |
|
| 420 |
0x60, 0x61, 0x56, 0x5c, 0x5d, 0x5e, 0x57, 0x59, |
|
| 421 |
0x5a, 0x5b, 0x62, 0x63, 0x00, 0x00, 0x00, 0x44, |
|
| 422 |
0x45, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, |
|
| 423 |
0xe8, 0xe9, 0x71, 0x72, 0x73, 0x00, 0x00, 0x00, |
|
| 424 |
0x00, 0x00, 0x00, 0x85, 0x00, 0x00, 0x00, 0x00, |
|
| 425 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 426 |
0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, |
|
| 427 |
|
|
| 428 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 429 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 430 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 431 |
0x00, 0x00, 0x00, 0x00, 0x58, 0xe4, 0x00, 0x00, |
|
| 432 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 433 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 434 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x46, |
|
| 435 |
0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 436 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x4a, |
|
| 437 |
0x52, 0x4b, 0x00, 0x50, 0x00, 0x4f, 0x00, 0x4d, |
|
| 438 |
0x51, 0x4e, 0x49, 0x4c, 0x00, 0x00, 0x00, 0x00, |
|
| 439 |
0x00, 0x00, 0x00, 0xe3, 0xe7, 0x65, 0x00, 0x00, |
|
| 440 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 441 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 442 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 443 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
|
| 444 |
}; |
|
| 445 |
|
|
| 446 |
static bool hid_has_events(HIDState *hs) |
|
| 447 |
{
|
|
| 448 |
return hs->n > 0; |
|
| 449 |
} |
|
| 450 |
|
|
| 451 | 364 |
static void usb_hid_changed(HIDState *hs) |
| 452 | 365 |
{
|
| 453 | 366 |
USBHIDState *us = container_of(hs, USBHIDState, hid); |
| ... | ... | |
| 459 | 372 |
usb_wakeup(&us->dev); |
| 460 | 373 |
} |
| 461 | 374 |
|
| 462 |
static void hid_pointer_event_clear(HIDPointerEvent *e, int buttons) |
|
| 463 |
{
|
|
| 464 |
e->xdx = e->ydy = e->dz = 0; |
|
| 465 |
e->buttons_state = buttons; |
|
| 466 |
} |
|
| 467 |
|
|
| 468 |
static void hid_pointer_event_combine(HIDPointerEvent *e, int xyrel, |
|
| 469 |
int x1, int y1, int z1) {
|
|
| 470 |
if (xyrel) {
|
|
| 471 |
e->xdx += x1; |
|
| 472 |
e->ydy += y1; |
|
| 473 |
} else {
|
|
| 474 |
e->xdx = x1; |
|
| 475 |
e->ydy = y1; |
|
| 476 |
/* Windows drivers do not like the 0/0 position and ignore such |
|
| 477 |
* events. */ |
|
| 478 |
if (!(x1 | y1)) {
|
|
| 479 |
x1 = 1; |
|
| 480 |
} |
|
| 481 |
} |
|
| 482 |
e->dz += z1; |
|
| 483 |
} |
|
| 484 |
|
|
| 485 |
static void hid_pointer_event(void *opaque, |
|
| 486 |
int x1, int y1, int z1, int buttons_state) |
|
| 487 |
{
|
|
| 488 |
HIDState *hs = opaque; |
|
| 489 |
unsigned use_slot = (hs->head + hs->n - 1) & QUEUE_MASK; |
|
| 490 |
unsigned previous_slot = (use_slot - 1) & QUEUE_MASK; |
|
| 491 |
|
|
| 492 |
/* We combine events where feasible to keep the queue small. We shouldn't |
|
| 493 |
* combine anything with the first event of a particular button state, as |
|
| 494 |
* that would change the location of the button state change. When the |
|
| 495 |
* queue is empty, a second event is needed because we don't know if |
|
| 496 |
* the first event changed the button state. */ |
|
| 497 |
if (hs->n == QUEUE_LENGTH) {
|
|
| 498 |
/* Queue full. Discard old button state, combine motion normally. */ |
|
| 499 |
hs->ptr.queue[use_slot].buttons_state = buttons_state; |
|
| 500 |
} else if (hs->n < 2 || |
|
| 501 |
hs->ptr.queue[use_slot].buttons_state != buttons_state || |
|
| 502 |
hs->ptr.queue[previous_slot].buttons_state != |
|
| 503 |
hs->ptr.queue[use_slot].buttons_state) {
|
|
| 504 |
/* Cannot or should not combine, so add an empty item to the queue. */ |
|
| 505 |
QUEUE_INCR(use_slot); |
|
| 506 |
hs->n++; |
|
| 507 |
hid_pointer_event_clear(&hs->ptr.queue[use_slot], buttons_state); |
|
| 508 |
} |
|
| 509 |
hid_pointer_event_combine(&hs->ptr.queue[use_slot], |
|
| 510 |
hs->kind == HID_MOUSE, |
|
| 511 |
x1, y1, z1); |
|
| 512 |
hs->event(hs); |
|
| 513 |
} |
|
| 514 |
|
|
| 515 |
static void hid_keyboard_event(void *opaque, int keycode) |
|
| 516 |
{
|
|
| 517 |
HIDState *hs = opaque; |
|
| 518 |
int slot; |
|
| 519 |
|
|
| 520 |
if (hs->n == QUEUE_LENGTH) {
|
|
| 521 |
fprintf(stderr, "usb-kbd: warning: key event queue full\n"); |
|
| 522 |
return; |
|
| 523 |
} |
|
| 524 |
slot = (hs->head + hs->n) & QUEUE_MASK; hs->n++; |
|
| 525 |
hs->kbd.keycodes[slot] = keycode; |
|
| 526 |
hs->event(hs); |
|
| 527 |
} |
|
| 528 |
|
|
| 529 |
static void hid_keyboard_process_keycode(HIDState *hs) |
|
| 530 |
{
|
|
| 531 |
uint8_t hid_code, key; |
|
| 532 |
int i, keycode, slot; |
|
| 533 |
|
|
| 534 |
if (hs->n == 0) {
|
|
| 535 |
return; |
|
| 536 |
} |
|
| 537 |
slot = hs->head & QUEUE_MASK; QUEUE_INCR(hs->head); hs->n--; |
|
| 538 |
keycode = hs->kbd.keycodes[slot]; |
|
| 539 |
|
|
| 540 |
key = keycode & 0x7f; |
|
| 541 |
hid_code = usb_hid_usage_keys[key | ((hs->kbd.modifiers >> 1) & (1 << 7))]; |
|
| 542 |
hs->kbd.modifiers &= ~(1 << 8); |
|
| 543 |
|
|
| 544 |
switch (hid_code) {
|
|
| 545 |
case 0x00: |
|
| 546 |
return; |
|
| 547 |
|
|
| 548 |
case 0xe0: |
|
| 549 |
if (hs->kbd.modifiers & (1 << 9)) {
|
|
| 550 |
hs->kbd.modifiers ^= 3 << 8; |
|
| 551 |
return; |
|
| 552 |
} |
|
| 553 |
case 0xe1 ... 0xe7: |
|
| 554 |
if (keycode & (1 << 7)) {
|
|
| 555 |
hs->kbd.modifiers &= ~(1 << (hid_code & 0x0f)); |
|
| 556 |
return; |
|
| 557 |
} |
|
| 558 |
case 0xe8 ... 0xef: |
|
| 559 |
hs->kbd.modifiers |= 1 << (hid_code & 0x0f); |
|
| 560 |
return; |
|
| 561 |
} |
|
| 562 |
|
|
| 563 |
if (keycode & (1 << 7)) {
|
|
| 564 |
for (i = hs->kbd.keys - 1; i >= 0; i--) {
|
|
| 565 |
if (hs->kbd.key[i] == hid_code) {
|
|
| 566 |
hs->kbd.key[i] = hs->kbd.key[-- hs->kbd.keys]; |
|
| 567 |
hs->kbd.key[hs->kbd.keys] = 0x00; |
|
| 568 |
break; |
|
| 569 |
} |
|
| 570 |
} |
|
| 571 |
if (i < 0) {
|
|
| 572 |
return; |
|
| 573 |
} |
|
| 574 |
} else {
|
|
| 575 |
for (i = hs->kbd.keys - 1; i >= 0; i--) {
|
|
| 576 |
if (hs->kbd.key[i] == hid_code) {
|
|
| 577 |
break; |
|
| 578 |
} |
|
| 579 |
} |
|
| 580 |
if (i < 0) {
|
|
| 581 |
if (hs->kbd.keys < sizeof(hs->kbd.key)) {
|
|
| 582 |
hs->kbd.key[hs->kbd.keys++] = hid_code; |
|
| 583 |
} |
|
| 584 |
} else {
|
|
| 585 |
return; |
|
| 586 |
} |
|
| 587 |
} |
|
| 588 |
} |
|
| 589 |
|
|
| 590 |
static inline int int_clamp(int val, int vmin, int vmax) |
|
| 591 |
{
|
|
| 592 |
if (val < vmin) |
|
| 593 |
return vmin; |
|
| 594 |
else if (val > vmax) |
|
| 595 |
return vmax; |
|
| 596 |
else |
|
| 597 |
return val; |
|
| 598 |
} |
|
| 599 |
|
|
| 600 |
static int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len) |
|
| 601 |
{
|
|
| 602 |
int dx, dy, dz, b, l; |
|
| 603 |
int index; |
|
| 604 |
HIDPointerEvent *e; |
|
| 605 |
|
|
| 606 |
if (!hs->ptr.mouse_grabbed) {
|
|
| 607 |
qemu_activate_mouse_event_handler(hs->ptr.eh_entry); |
|
| 608 |
hs->ptr.mouse_grabbed = 1; |
|
| 609 |
} |
|
| 610 |
|
|
| 611 |
/* When the buffer is empty, return the last event. Relative |
|
| 612 |
movements will all be zero. */ |
|
| 613 |
index = (hs->n ? hs->head : hs->head - 1); |
|
| 614 |
e = &hs->ptr.queue[index & QUEUE_MASK]; |
|
| 615 |
|
|
| 616 |
if (hs->kind == HID_MOUSE) {
|
|
| 617 |
dx = int_clamp(e->xdx, -127, 127); |
|
| 618 |
dy = int_clamp(e->ydy, -127, 127); |
|
| 619 |
e->xdx -= dx; |
|
| 620 |
e->ydy -= dy; |
|
| 621 |
} else {
|
|
| 622 |
dx = e->xdx; |
|
| 623 |
dy = e->ydy; |
|
| 624 |
} |
|
| 625 |
dz = int_clamp(e->dz, -127, 127); |
|
| 626 |
e->dz -= dz; |
|
| 627 |
|
|
| 628 |
b = 0; |
|
| 629 |
if (e->buttons_state & MOUSE_EVENT_LBUTTON) |
|
| 630 |
b |= 0x01; |
|
| 631 |
if (e->buttons_state & MOUSE_EVENT_RBUTTON) |
|
| 632 |
b |= 0x02; |
|
| 633 |
if (e->buttons_state & MOUSE_EVENT_MBUTTON) |
|
| 634 |
b |= 0x04; |
|
| 635 |
|
|
| 636 |
if (hs->n && |
|
| 637 |
!e->dz && |
|
| 638 |
(hs->kind == HID_TABLET || (!e->xdx && !e->ydy))) {
|
|
| 639 |
/* that deals with this event */ |
|
| 640 |
QUEUE_INCR(hs->head); |
|
| 641 |
hs->n--; |
|
| 642 |
} |
|
| 643 |
|
|
| 644 |
/* Appears we have to invert the wheel direction */ |
|
| 645 |
dz = 0 - dz; |
|
| 646 |
l = 0; |
|
| 647 |
switch (hs->kind) {
|
|
| 648 |
case HID_MOUSE: |
|
| 649 |
if (len > l) |
|
| 650 |
buf[l++] = b; |
|
| 651 |
if (len > l) |
|
| 652 |
buf[l++] = dx; |
|
| 653 |
if (len > l) |
|
| 654 |
buf[l++] = dy; |
|
| 655 |
if (len > l) |
|
| 656 |
buf[l++] = dz; |
|
| 657 |
break; |
|
| 658 |
|
|
| 659 |
case HID_TABLET: |
|
| 660 |
if (len > l) |
|
| 661 |
buf[l++] = b; |
|
| 662 |
if (len > l) |
|
| 663 |
buf[l++] = dx & 0xff; |
|
| 664 |
if (len > l) |
|
| 665 |
buf[l++] = dx >> 8; |
|
| 666 |
if (len > l) |
|
| 667 |
buf[l++] = dy & 0xff; |
|
| 668 |
if (len > l) |
|
| 669 |
buf[l++] = dy >> 8; |
|
| 670 |
if (len > l) |
|
| 671 |
buf[l++] = dz; |
|
| 672 |
break; |
|
| 673 |
|
|
| 674 |
default: |
|
| 675 |
abort(); |
|
| 676 |
} |
|
| 677 |
|
|
| 678 |
return l; |
|
| 679 |
} |
|
| 680 |
|
|
| 681 |
static int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len) |
|
| 682 |
{
|
|
| 683 |
if (len < 2) |
|
| 684 |
return 0; |
|
| 685 |
|
|
| 686 |
hid_keyboard_process_keycode(hs); |
|
| 687 |
|
|
| 688 |
buf[0] = hs->kbd.modifiers & 0xff; |
|
| 689 |
buf[1] = 0; |
|
| 690 |
if (hs->kbd.keys > 6) {
|
|
| 691 |
memset(buf + 2, USB_HID_USAGE_ERROR_ROLLOVER, MIN(8, len) - 2); |
|
| 692 |
} else {
|
|
| 693 |
memcpy(buf + 2, hs->kbd.key, MIN(8, len) - 2); |
|
| 694 |
} |
|
| 695 |
|
|
| 696 |
return MIN(8, len); |
|
| 697 |
} |
|
| 698 |
|
|
| 699 |
static int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len) |
|
| 700 |
{
|
|
| 701 |
if (len > 0) {
|
|
| 702 |
int ledstate = 0; |
|
| 703 |
/* 0x01: Num Lock LED |
|
| 704 |
* 0x02: Caps Lock LED |
|
| 705 |
* 0x04: Scroll Lock LED |
|
| 706 |
* 0x08: Compose LED |
|
| 707 |
* 0x10: Kana LED */ |
|
| 708 |
hs->kbd.leds = buf[0]; |
|
| 709 |
if (hs->kbd.leds & 0x04) {
|
|
| 710 |
ledstate |= QEMU_SCROLL_LOCK_LED; |
|
| 711 |
} |
|
| 712 |
if (hs->kbd.leds & 0x01) {
|
|
| 713 |
ledstate |= QEMU_NUM_LOCK_LED; |
|
| 714 |
} |
|
| 715 |
if (hs->kbd.leds & 0x02) {
|
|
| 716 |
ledstate |= QEMU_CAPS_LOCK_LED; |
|
| 717 |
} |
|
| 718 |
kbd_put_ledstate(ledstate); |
|
| 719 |
} |
|
| 720 |
return 0; |
|
| 721 |
} |
|
| 722 |
|
|
| 723 |
static void hid_handle_reset(HIDState *hs) |
|
| 724 |
{
|
|
| 725 |
switch (hs->kind) {
|
|
| 726 |
case HID_KEYBOARD: |
|
| 727 |
qemu_add_kbd_event_handler(hid_keyboard_event, hs); |
|
| 728 |
memset(hs->kbd.keycodes, 0, sizeof(hs->kbd.keycodes)); |
|
| 729 |
memset(hs->kbd.key, 0, sizeof(hs->kbd.key)); |
|
| 730 |
hs->kbd.keys = 0; |
|
| 731 |
break; |
|
| 732 |
case HID_MOUSE: |
|
| 733 |
case HID_TABLET: |
|
| 734 |
memset(hs->ptr.queue, 0, sizeof(hs->ptr.queue)); |
|
| 735 |
break; |
|
| 736 |
} |
|
| 737 |
hs->head = 0; |
|
| 738 |
hs->n = 0; |
|
| 739 |
} |
|
| 740 |
|
|
| 741 | 375 |
static void usb_hid_handle_reset(USBDevice *dev) |
| 742 | 376 |
{
|
| 743 | 377 |
USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); |
| 744 | 378 |
|
| 745 |
hid_handle_reset(&us->hid);
|
|
| 379 |
hid_reset(&us->hid); |
|
| 746 | 380 |
us->protocol = 1; |
| 747 | 381 |
us->idle = 0; |
| 748 | 382 |
} |
| ... | ... | |
| 875 | 509 |
return ret; |
| 876 | 510 |
} |
| 877 | 511 |
|
| 878 |
static void hid_free(HIDState *hs) |
|
| 879 |
{
|
|
| 880 |
switch (hs->kind) {
|
|
| 881 |
case HID_KEYBOARD: |
|
| 882 |
qemu_remove_kbd_event_handler(); |
|
| 883 |
break; |
|
| 884 |
case HID_MOUSE: |
|
| 885 |
case HID_TABLET: |
|
| 886 |
qemu_remove_mouse_event_handler(hs->ptr.eh_entry); |
|
| 887 |
break; |
|
| 888 |
} |
|
| 889 |
} |
|
| 890 |
|
|
| 891 | 512 |
static void usb_hid_handle_destroy(USBDevice *dev) |
| 892 | 513 |
{
|
| 893 | 514 |
USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); |
| ... | ... | |
| 895 | 516 |
hid_free(&us->hid); |
| 896 | 517 |
} |
| 897 | 518 |
|
| 898 |
static void hid_init(HIDState *hs, int kind, HIDEventFunc event) |
|
| 899 |
{
|
|
| 900 |
hs->kind = kind; |
|
| 901 |
hs->event = event; |
|
| 902 |
|
|
| 903 |
if (hs->kind == HID_MOUSE) {
|
|
| 904 |
hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs, |
|
| 905 |
0, "QEMU HID Mouse"); |
|
| 906 |
} else if (hs->kind == HID_TABLET) {
|
|
| 907 |
hs->ptr.eh_entry = qemu_add_mouse_event_handler(hid_pointer_event, hs, |
|
| 908 |
1, "QEMU HID Tablet"); |
|
| 909 |
} |
|
| 910 |
} |
|
| 911 |
|
|
| 912 | 519 |
static int usb_hid_initfn(USBDevice *dev, int kind) |
| 913 | 520 |
{
|
| 914 | 521 |
USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); |
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