1 | /* |
2 | * QEMU PS/2 keyboard/mouse emulation |
3 | * |
4 | * Copyright (c) 2003 Fabrice Bellard |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal |
8 | * in the Software without restriction, including without limitation the rights |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
10 | * copies of the Software, and to permit persons to whom the Software is |
11 | * furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
22 | * THE SOFTWARE. |
23 | */ |
24 | |
25 | #include "qemu/osdep.h" |
26 | #include "qemu/log.h" |
27 | #include "hw/input/ps2.h" |
28 | #include "migration/vmstate.h" |
29 | #include "ui/console.h" |
30 | #include "ui/input.h" |
31 | #include "sysemu/reset.h" |
32 | #include "sysemu/runstate.h" |
33 | |
34 | #include "trace.h" |
35 | |
36 | /* debug PC keyboard */ |
37 | //#define DEBUG_KBD |
38 | |
39 | /* debug PC keyboard : only mouse */ |
40 | //#define DEBUG_MOUSE |
41 | |
42 | /* Keyboard Commands */ |
43 | #define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ |
44 | #define KBD_CMD_ECHO 0xEE |
45 | #define KBD_CMD_SCANCODE 0xF0 /* Get/set scancode set */ |
46 | #define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */ |
47 | #define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ |
48 | #define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ |
49 | #define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */ |
50 | #define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */ |
51 | #define KBD_CMD_RESET 0xFF /* Reset */ |
52 | |
53 | /* Keyboard Replies */ |
54 | #define KBD_REPLY_POR 0xAA /* Power on reset */ |
55 | #define KBD_REPLY_ID 0xAB /* Keyboard ID */ |
56 | #define KBD_REPLY_ACK 0xFA /* Command ACK */ |
57 | #define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ |
58 | |
59 | /* Mouse Commands */ |
60 | #define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ |
61 | #define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ |
62 | #define AUX_SET_RES 0xE8 /* Set resolution */ |
63 | #define AUX_GET_SCALE 0xE9 /* Get scaling factor */ |
64 | #define AUX_SET_STREAM 0xEA /* Set stream mode */ |
65 | #define AUX_POLL 0xEB /* Poll */ |
66 | #define AUX_RESET_WRAP 0xEC /* Reset wrap mode */ |
67 | #define AUX_SET_WRAP 0xEE /* Set wrap mode */ |
68 | #define AUX_SET_REMOTE 0xF0 /* Set remote mode */ |
69 | #define AUX_GET_TYPE 0xF2 /* Get type */ |
70 | #define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ |
71 | #define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ |
72 | #define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ |
73 | #define AUX_SET_DEFAULT 0xF6 |
74 | #define AUX_RESET 0xFF /* Reset aux device */ |
75 | #define AUX_ACK 0xFA /* Command byte ACK. */ |
76 | |
77 | #define MOUSE_STATUS_REMOTE 0x40 |
78 | #define MOUSE_STATUS_ENABLED 0x20 |
79 | #define MOUSE_STATUS_SCALE21 0x10 |
80 | |
81 | #define PS2_QUEUE_SIZE 16 /* Buffer size required by PS/2 protocol */ |
82 | |
83 | /* Bits for 'modifiers' field in PS2KbdState */ |
84 | #define MOD_CTRL_L (1 << 0) |
85 | #define MOD_SHIFT_L (1 << 1) |
86 | #define MOD_ALT_L (1 << 2) |
87 | #define MOD_CTRL_R (1 << 3) |
88 | #define MOD_SHIFT_R (1 << 4) |
89 | #define MOD_ALT_R (1 << 5) |
90 | |
91 | typedef struct { |
92 | /* Keep the data array 256 bytes long, which compatibility |
93 | with older qemu versions. */ |
94 | uint8_t data[256]; |
95 | int rptr, wptr, count; |
96 | } PS2Queue; |
97 | |
98 | struct PS2State { |
99 | PS2Queue queue; |
100 | int32_t write_cmd; |
101 | void (*update_irq)(void *, int); |
102 | void *update_arg; |
103 | }; |
104 | |
105 | typedef struct { |
106 | PS2State common; |
107 | int scan_enabled; |
108 | int translate; |
109 | int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */ |
110 | int ledstate; |
111 | bool need_high_bit; |
112 | unsigned int modifiers; /* bitmask of MOD_* constants above */ |
113 | } PS2KbdState; |
114 | |
115 | typedef struct { |
116 | PS2State common; |
117 | uint8_t mouse_status; |
118 | uint8_t mouse_resolution; |
119 | uint8_t mouse_sample_rate; |
120 | uint8_t mouse_wrap; |
121 | uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */ |
122 | uint8_t mouse_detect_state; |
123 | int mouse_dx; /* current values, needed for 'poll' mode */ |
124 | int mouse_dy; |
125 | int mouse_dz; |
126 | uint8_t mouse_buttons; |
127 | } PS2MouseState; |
128 | |
129 | static uint8_t translate_table[256] = { |
130 | 0xff, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x3c, 0x58, |
131 | 0x64, 0x44, 0x42, 0x40, 0x3e, 0x0f, 0x29, 0x59, |
132 | 0x65, 0x38, 0x2a, 0x70, 0x1d, 0x10, 0x02, 0x5a, |
133 | 0x66, 0x71, 0x2c, 0x1f, 0x1e, 0x11, 0x03, 0x5b, |
134 | 0x67, 0x2e, 0x2d, 0x20, 0x12, 0x05, 0x04, 0x5c, |
135 | 0x68, 0x39, 0x2f, 0x21, 0x14, 0x13, 0x06, 0x5d, |
136 | 0x69, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, 0x5e, |
137 | 0x6a, 0x72, 0x32, 0x24, 0x16, 0x08, 0x09, 0x5f, |
138 | 0x6b, 0x33, 0x25, 0x17, 0x18, 0x0b, 0x0a, 0x60, |
139 | 0x6c, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0c, 0x61, |
140 | 0x6d, 0x73, 0x28, 0x74, 0x1a, 0x0d, 0x62, 0x6e, |
141 | 0x3a, 0x36, 0x1c, 0x1b, 0x75, 0x2b, 0x63, 0x76, |
142 | 0x55, 0x56, 0x77, 0x78, 0x79, 0x7a, 0x0e, 0x7b, |
143 | 0x7c, 0x4f, 0x7d, 0x4b, 0x47, 0x7e, 0x7f, 0x6f, |
144 | 0x52, 0x53, 0x50, 0x4c, 0x4d, 0x48, 0x01, 0x45, |
145 | 0x57, 0x4e, 0x51, 0x4a, 0x37, 0x49, 0x46, 0x54, |
146 | 0x80, 0x81, 0x82, 0x41, 0x54, 0x85, 0x86, 0x87, |
147 | 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
148 | 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
149 | 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
150 | 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
151 | 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, |
152 | 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
153 | 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
154 | 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
155 | 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
156 | 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, |
157 | 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
158 | 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
159 | 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
160 | 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
161 | 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, |
162 | }; |
163 | |
164 | static unsigned int ps2_modifier_bit(QKeyCode key) |
165 | { |
166 | switch (key) { |
167 | case Q_KEY_CODE_CTRL: |
168 | return MOD_CTRL_L; |
169 | case Q_KEY_CODE_CTRL_R: |
170 | return MOD_CTRL_R; |
171 | case Q_KEY_CODE_SHIFT: |
172 | return MOD_SHIFT_L; |
173 | case Q_KEY_CODE_SHIFT_R: |
174 | return MOD_SHIFT_R; |
175 | case Q_KEY_CODE_ALT: |
176 | return MOD_ALT_L; |
177 | case Q_KEY_CODE_ALT_R: |
178 | return MOD_ALT_R; |
179 | default: |
180 | return 0; |
181 | } |
182 | } |
183 | |
184 | static void ps2_reset_queue(PS2State *s) |
185 | { |
186 | PS2Queue *q = &s->queue; |
187 | |
188 | q->rptr = 0; |
189 | q->wptr = 0; |
190 | q->count = 0; |
191 | } |
192 | |
193 | void ps2_queue_noirq(PS2State *s, int b) |
194 | { |
195 | PS2Queue *q = &s->queue; |
196 | |
197 | if (q->count == PS2_QUEUE_SIZE) { |
198 | return; |
199 | } |
200 | |
201 | q->data[q->wptr] = b; |
202 | if (++q->wptr == PS2_QUEUE_SIZE) |
203 | q->wptr = 0; |
204 | q->count++; |
205 | } |
206 | |
207 | void ps2_raise_irq(PS2State *s) |
208 | { |
209 | s->update_irq(s->update_arg, 1); |
210 | } |
211 | |
212 | void ps2_queue(PS2State *s, int b) |
213 | { |
214 | ps2_queue_noirq(s, b); |
215 | s->update_irq(s->update_arg, 1); |
216 | } |
217 | |
218 | void ps2_queue_2(PS2State *s, int b1, int b2) |
219 | { |
220 | if (PS2_QUEUE_SIZE - s->queue.count < 2) { |
221 | return; |
222 | } |
223 | |
224 | ps2_queue_noirq(s, b1); |
225 | ps2_queue_noirq(s, b2); |
226 | s->update_irq(s->update_arg, 1); |
227 | } |
228 | |
229 | void ps2_queue_3(PS2State *s, int b1, int b2, int b3) |
230 | { |
231 | if (PS2_QUEUE_SIZE - s->queue.count < 3) { |
232 | return; |
233 | } |
234 | |
235 | ps2_queue_noirq(s, b1); |
236 | ps2_queue_noirq(s, b2); |
237 | ps2_queue_noirq(s, b3); |
238 | s->update_irq(s->update_arg, 1); |
239 | } |
240 | |
241 | void ps2_queue_4(PS2State *s, int b1, int b2, int b3, int b4) |
242 | { |
243 | if (PS2_QUEUE_SIZE - s->queue.count < 4) { |
244 | return; |
245 | } |
246 | |
247 | ps2_queue_noirq(s, b1); |
248 | ps2_queue_noirq(s, b2); |
249 | ps2_queue_noirq(s, b3); |
250 | ps2_queue_noirq(s, b4); |
251 | s->update_irq(s->update_arg, 1); |
252 | } |
253 | |
254 | /* keycode is the untranslated scancode in the current scancode set. */ |
255 | static void ps2_put_keycode(void *opaque, int keycode) |
256 | { |
257 | PS2KbdState *s = opaque; |
258 | |
259 | trace_ps2_put_keycode(opaque, keycode); |
260 | qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); |
261 | |
262 | if (s->translate) { |
263 | if (keycode == 0xf0) { |
264 | s->need_high_bit = true; |
265 | } else if (s->need_high_bit) { |
266 | ps2_queue(&s->common, translate_table[keycode] | 0x80); |
267 | s->need_high_bit = false; |
268 | } else { |
269 | ps2_queue(&s->common, translate_table[keycode]); |
270 | } |
271 | } else { |
272 | ps2_queue(&s->common, keycode); |
273 | } |
274 | } |
275 | |
276 | static void ps2_keyboard_event(DeviceState *dev, QemuConsole *src, |
277 | InputEvent *evt) |
278 | { |
279 | PS2KbdState *s = (PS2KbdState *)dev; |
280 | InputKeyEvent *key = evt->u.key.data; |
281 | int qcode; |
282 | uint16_t keycode = 0; |
283 | int mod; |
284 | |
285 | /* do not process events while disabled to prevent stream corruption */ |
286 | if (!s->scan_enabled) { |
287 | return; |
288 | } |
289 | |
290 | qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); |
291 | assert(evt->type == INPUT_EVENT_KIND_KEY); |
292 | qcode = qemu_input_key_value_to_qcode(key->key); |
293 | |
294 | mod = ps2_modifier_bit(qcode); |
295 | trace_ps2_keyboard_event(s, qcode, key->down, mod, s->modifiers); |
296 | if (key->down) { |
297 | s->modifiers |= mod; |
298 | } else { |
299 | s->modifiers &= ~mod; |
300 | } |
301 | |
302 | if (s->scancode_set == 1) { |
303 | if (qcode == Q_KEY_CODE_PAUSE) { |
304 | if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) { |
305 | if (key->down) { |
306 | ps2_put_keycode(s, 0xe0); |
307 | ps2_put_keycode(s, 0x46); |
308 | ps2_put_keycode(s, 0xe0); |
309 | ps2_put_keycode(s, 0xc6); |
310 | } |
311 | } else { |
312 | if (key->down) { |
313 | ps2_put_keycode(s, 0xe1); |
314 | ps2_put_keycode(s, 0x1d); |
315 | ps2_put_keycode(s, 0x45); |
316 | ps2_put_keycode(s, 0xe1); |
317 | ps2_put_keycode(s, 0x9d); |
318 | ps2_put_keycode(s, 0xc5); |
319 | } |
320 | } |
321 | } else if (qcode == Q_KEY_CODE_PRINT) { |
322 | if (s->modifiers & MOD_ALT_L) { |
323 | if (key->down) { |
324 | ps2_put_keycode(s, 0xb8); |
325 | ps2_put_keycode(s, 0x38); |
326 | ps2_put_keycode(s, 0x54); |
327 | } else { |
328 | ps2_put_keycode(s, 0xd4); |
329 | ps2_put_keycode(s, 0xb8); |
330 | ps2_put_keycode(s, 0x38); |
331 | } |
332 | } else if (s->modifiers & MOD_ALT_R) { |
333 | if (key->down) { |
334 | ps2_put_keycode(s, 0xe0); |
335 | ps2_put_keycode(s, 0xb8); |
336 | ps2_put_keycode(s, 0xe0); |
337 | ps2_put_keycode(s, 0x38); |
338 | ps2_put_keycode(s, 0x54); |
339 | } else { |
340 | ps2_put_keycode(s, 0xd4); |
341 | ps2_put_keycode(s, 0xe0); |
342 | ps2_put_keycode(s, 0xb8); |
343 | ps2_put_keycode(s, 0xe0); |
344 | ps2_put_keycode(s, 0x38); |
345 | } |
346 | } else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L | |
347 | MOD_SHIFT_R | MOD_CTRL_R)) { |
348 | if (key->down) { |
349 | ps2_put_keycode(s, 0xe0); |
350 | ps2_put_keycode(s, 0x37); |
351 | } else { |
352 | ps2_put_keycode(s, 0xe0); |
353 | ps2_put_keycode(s, 0xb7); |
354 | } |
355 | } else { |
356 | if (key->down) { |
357 | ps2_put_keycode(s, 0xe0); |
358 | ps2_put_keycode(s, 0x2a); |
359 | ps2_put_keycode(s, 0xe0); |
360 | ps2_put_keycode(s, 0x37); |
361 | } else { |
362 | ps2_put_keycode(s, 0xe0); |
363 | ps2_put_keycode(s, 0xb7); |
364 | ps2_put_keycode(s, 0xe0); |
365 | ps2_put_keycode(s, 0xaa); |
366 | } |
367 | } |
368 | } else { |
369 | if (qcode < qemu_input_map_qcode_to_atset1_len) |
370 | keycode = qemu_input_map_qcode_to_atset1[qcode]; |
371 | if (keycode) { |
372 | if (keycode & 0xff00) { |
373 | ps2_put_keycode(s, keycode >> 8); |
374 | } |
375 | if (!key->down) { |
376 | keycode |= 0x80; |
377 | } |
378 | ps2_put_keycode(s, keycode & 0xff); |
379 | } else { |
380 | qemu_log_mask(LOG_UNIMP, |
381 | "ps2: ignoring key with qcode %d\n" , qcode); |
382 | } |
383 | } |
384 | } else if (s->scancode_set == 2) { |
385 | if (qcode == Q_KEY_CODE_PAUSE) { |
386 | if (s->modifiers & (MOD_CTRL_L | MOD_CTRL_R)) { |
387 | if (key->down) { |
388 | ps2_put_keycode(s, 0xe0); |
389 | ps2_put_keycode(s, 0x7e); |
390 | ps2_put_keycode(s, 0xe0); |
391 | ps2_put_keycode(s, 0xf0); |
392 | ps2_put_keycode(s, 0x7e); |
393 | } |
394 | } else { |
395 | if (key->down) { |
396 | ps2_put_keycode(s, 0xe1); |
397 | ps2_put_keycode(s, 0x14); |
398 | ps2_put_keycode(s, 0x77); |
399 | ps2_put_keycode(s, 0xe1); |
400 | ps2_put_keycode(s, 0xf0); |
401 | ps2_put_keycode(s, 0x14); |
402 | ps2_put_keycode(s, 0xf0); |
403 | ps2_put_keycode(s, 0x77); |
404 | } |
405 | } |
406 | } else if (qcode == Q_KEY_CODE_PRINT) { |
407 | if (s->modifiers & MOD_ALT_L) { |
408 | if (key->down) { |
409 | ps2_put_keycode(s, 0xf0); |
410 | ps2_put_keycode(s, 0x11); |
411 | ps2_put_keycode(s, 0x11); |
412 | ps2_put_keycode(s, 0x84); |
413 | } else { |
414 | ps2_put_keycode(s, 0xf0); |
415 | ps2_put_keycode(s, 0x84); |
416 | ps2_put_keycode(s, 0xf0); |
417 | ps2_put_keycode(s, 0x11); |
418 | ps2_put_keycode(s, 0x11); |
419 | } |
420 | } else if (s->modifiers & MOD_ALT_R) { |
421 | if (key->down) { |
422 | ps2_put_keycode(s, 0xe0); |
423 | ps2_put_keycode(s, 0xf0); |
424 | ps2_put_keycode(s, 0x11); |
425 | ps2_put_keycode(s, 0xe0); |
426 | ps2_put_keycode(s, 0x11); |
427 | ps2_put_keycode(s, 0x84); |
428 | } else { |
429 | ps2_put_keycode(s, 0xf0); |
430 | ps2_put_keycode(s, 0x84); |
431 | ps2_put_keycode(s, 0xe0); |
432 | ps2_put_keycode(s, 0xf0); |
433 | ps2_put_keycode(s, 0x11); |
434 | ps2_put_keycode(s, 0xe0); |
435 | ps2_put_keycode(s, 0x11); |
436 | } |
437 | } else if (s->modifiers & (MOD_SHIFT_L | MOD_CTRL_L | |
438 | MOD_SHIFT_R | MOD_CTRL_R)) { |
439 | if (key->down) { |
440 | ps2_put_keycode(s, 0xe0); |
441 | ps2_put_keycode(s, 0x7c); |
442 | } else { |
443 | ps2_put_keycode(s, 0xe0); |
444 | ps2_put_keycode(s, 0xf0); |
445 | ps2_put_keycode(s, 0x7c); |
446 | } |
447 | } else { |
448 | if (key->down) { |
449 | ps2_put_keycode(s, 0xe0); |
450 | ps2_put_keycode(s, 0x12); |
451 | ps2_put_keycode(s, 0xe0); |
452 | ps2_put_keycode(s, 0x7c); |
453 | } else { |
454 | ps2_put_keycode(s, 0xe0); |
455 | ps2_put_keycode(s, 0xf0); |
456 | ps2_put_keycode(s, 0x7c); |
457 | ps2_put_keycode(s, 0xe0); |
458 | ps2_put_keycode(s, 0xf0); |
459 | ps2_put_keycode(s, 0x12); |
460 | } |
461 | } |
462 | } else { |
463 | if (qcode < qemu_input_map_qcode_to_atset2_len) |
464 | keycode = qemu_input_map_qcode_to_atset2[qcode]; |
465 | if (keycode) { |
466 | if (keycode & 0xff00) { |
467 | ps2_put_keycode(s, keycode >> 8); |
468 | } |
469 | if (!key->down) { |
470 | ps2_put_keycode(s, 0xf0); |
471 | } |
472 | ps2_put_keycode(s, keycode & 0xff); |
473 | } else { |
474 | qemu_log_mask(LOG_UNIMP, |
475 | "ps2: ignoring key with qcode %d\n" , qcode); |
476 | } |
477 | } |
478 | } else if (s->scancode_set == 3) { |
479 | if (qcode < qemu_input_map_qcode_to_atset3_len) |
480 | keycode = qemu_input_map_qcode_to_atset3[qcode]; |
481 | if (keycode) { |
482 | /* FIXME: break code should be configured on a key by key basis */ |
483 | if (!key->down) { |
484 | ps2_put_keycode(s, 0xf0); |
485 | } |
486 | ps2_put_keycode(s, keycode); |
487 | } else { |
488 | qemu_log_mask(LOG_UNIMP, |
489 | "ps2: ignoring key with qcode %d\n" , qcode); |
490 | } |
491 | } |
492 | } |
493 | |
494 | uint32_t ps2_read_data(PS2State *s) |
495 | { |
496 | PS2Queue *q; |
497 | int val, index; |
498 | |
499 | trace_ps2_read_data(s); |
500 | q = &s->queue; |
501 | if (q->count == 0) { |
502 | /* NOTE: if no data left, we return the last keyboard one |
503 | (needed for EMM386) */ |
504 | /* XXX: need a timer to do things correctly */ |
505 | index = q->rptr - 1; |
506 | if (index < 0) |
507 | index = PS2_QUEUE_SIZE - 1; |
508 | val = q->data[index]; |
509 | } else { |
510 | val = q->data[q->rptr]; |
511 | if (++q->rptr == PS2_QUEUE_SIZE) |
512 | q->rptr = 0; |
513 | q->count--; |
514 | /* reading deasserts IRQ */ |
515 | s->update_irq(s->update_arg, 0); |
516 | /* reassert IRQs if data left */ |
517 | s->update_irq(s->update_arg, q->count != 0); |
518 | } |
519 | return val; |
520 | } |
521 | |
522 | static void ps2_set_ledstate(PS2KbdState *s, int ledstate) |
523 | { |
524 | trace_ps2_set_ledstate(s, ledstate); |
525 | s->ledstate = ledstate; |
526 | kbd_put_ledstate(ledstate); |
527 | } |
528 | |
529 | static void ps2_reset_keyboard(PS2KbdState *s) |
530 | { |
531 | trace_ps2_reset_keyboard(s); |
532 | s->scan_enabled = 1; |
533 | s->scancode_set = 2; |
534 | ps2_reset_queue(&s->common); |
535 | ps2_set_ledstate(s, 0); |
536 | } |
537 | |
538 | void ps2_write_keyboard(void *opaque, int val) |
539 | { |
540 | PS2KbdState *s = (PS2KbdState *)opaque; |
541 | |
542 | trace_ps2_write_keyboard(opaque, val); |
543 | switch(s->common.write_cmd) { |
544 | default: |
545 | case -1: |
546 | switch(val) { |
547 | case 0x00: |
548 | ps2_queue(&s->common, KBD_REPLY_ACK); |
549 | break; |
550 | case 0x05: |
551 | ps2_queue(&s->common, KBD_REPLY_RESEND); |
552 | break; |
553 | case KBD_CMD_GET_ID: |
554 | /* We emulate a MF2 AT keyboard here */ |
555 | if (s->translate) |
556 | ps2_queue_3(&s->common, |
557 | KBD_REPLY_ACK, |
558 | KBD_REPLY_ID, |
559 | 0x41); |
560 | else |
561 | ps2_queue_3(&s->common, |
562 | KBD_REPLY_ACK, |
563 | KBD_REPLY_ID, |
564 | 0x83); |
565 | break; |
566 | case KBD_CMD_ECHO: |
567 | ps2_queue(&s->common, KBD_CMD_ECHO); |
568 | break; |
569 | case KBD_CMD_ENABLE: |
570 | s->scan_enabled = 1; |
571 | ps2_queue(&s->common, KBD_REPLY_ACK); |
572 | break; |
573 | case KBD_CMD_SCANCODE: |
574 | case KBD_CMD_SET_LEDS: |
575 | case KBD_CMD_SET_RATE: |
576 | s->common.write_cmd = val; |
577 | ps2_queue(&s->common, KBD_REPLY_ACK); |
578 | break; |
579 | case KBD_CMD_RESET_DISABLE: |
580 | ps2_reset_keyboard(s); |
581 | s->scan_enabled = 0; |
582 | ps2_queue(&s->common, KBD_REPLY_ACK); |
583 | break; |
584 | case KBD_CMD_RESET_ENABLE: |
585 | ps2_reset_keyboard(s); |
586 | s->scan_enabled = 1; |
587 | ps2_queue(&s->common, KBD_REPLY_ACK); |
588 | break; |
589 | case KBD_CMD_RESET: |
590 | ps2_reset_keyboard(s); |
591 | ps2_queue_2(&s->common, |
592 | KBD_REPLY_ACK, |
593 | KBD_REPLY_POR); |
594 | break; |
595 | default: |
596 | ps2_queue(&s->common, KBD_REPLY_RESEND); |
597 | break; |
598 | } |
599 | break; |
600 | case KBD_CMD_SCANCODE: |
601 | if (val == 0) { |
602 | if (s->common.queue.count <= PS2_QUEUE_SIZE - 2) { |
603 | ps2_queue(&s->common, KBD_REPLY_ACK); |
604 | ps2_put_keycode(s, s->scancode_set); |
605 | } |
606 | } else if (val >= 1 && val <= 3) { |
607 | s->scancode_set = val; |
608 | ps2_queue(&s->common, KBD_REPLY_ACK); |
609 | } else { |
610 | ps2_queue(&s->common, KBD_REPLY_RESEND); |
611 | } |
612 | s->common.write_cmd = -1; |
613 | break; |
614 | case KBD_CMD_SET_LEDS: |
615 | ps2_set_ledstate(s, val); |
616 | ps2_queue(&s->common, KBD_REPLY_ACK); |
617 | s->common.write_cmd = -1; |
618 | break; |
619 | case KBD_CMD_SET_RATE: |
620 | ps2_queue(&s->common, KBD_REPLY_ACK); |
621 | s->common.write_cmd = -1; |
622 | break; |
623 | } |
624 | } |
625 | |
626 | /* Set the scancode translation mode. |
627 | 0 = raw scancodes. |
628 | 1 = translated scancodes (used by qemu internally). */ |
629 | |
630 | void ps2_keyboard_set_translation(void *opaque, int mode) |
631 | { |
632 | PS2KbdState *s = (PS2KbdState *)opaque; |
633 | trace_ps2_keyboard_set_translation(opaque, mode); |
634 | s->translate = mode; |
635 | } |
636 | |
637 | static int ps2_mouse_send_packet(PS2MouseState *s) |
638 | { |
639 | const int needed = 3 + (s->mouse_type - 2); |
640 | unsigned int b; |
641 | int dx1, dy1, dz1; |
642 | |
643 | if (PS2_QUEUE_SIZE - s->common.queue.count < needed) { |
644 | return 0; |
645 | } |
646 | |
647 | dx1 = s->mouse_dx; |
648 | dy1 = s->mouse_dy; |
649 | dz1 = s->mouse_dz; |
650 | /* XXX: increase range to 8 bits ? */ |
651 | if (dx1 > 127) |
652 | dx1 = 127; |
653 | else if (dx1 < -127) |
654 | dx1 = -127; |
655 | if (dy1 > 127) |
656 | dy1 = 127; |
657 | else if (dy1 < -127) |
658 | dy1 = -127; |
659 | b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07); |
660 | ps2_queue_noirq(&s->common, b); |
661 | ps2_queue_noirq(&s->common, dx1 & 0xff); |
662 | ps2_queue_noirq(&s->common, dy1 & 0xff); |
663 | /* extra byte for IMPS/2 or IMEX */ |
664 | switch(s->mouse_type) { |
665 | default: |
666 | break; |
667 | case 3: |
668 | if (dz1 > 127) |
669 | dz1 = 127; |
670 | else if (dz1 < -127) |
671 | dz1 = -127; |
672 | ps2_queue_noirq(&s->common, dz1 & 0xff); |
673 | break; |
674 | case 4: |
675 | if (dz1 > 7) |
676 | dz1 = 7; |
677 | else if (dz1 < -7) |
678 | dz1 = -7; |
679 | b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1); |
680 | ps2_queue_noirq(&s->common, b); |
681 | break; |
682 | } |
683 | |
684 | ps2_raise_irq(&s->common); |
685 | |
686 | trace_ps2_mouse_send_packet(s, dx1, dy1, dz1, b); |
687 | /* update deltas */ |
688 | s->mouse_dx -= dx1; |
689 | s->mouse_dy -= dy1; |
690 | s->mouse_dz -= dz1; |
691 | |
692 | return 1; |
693 | } |
694 | |
695 | static void ps2_mouse_event(DeviceState *dev, QemuConsole *src, |
696 | InputEvent *evt) |
697 | { |
698 | static const int bmap[INPUT_BUTTON__MAX] = { |
699 | [INPUT_BUTTON_LEFT] = PS2_MOUSE_BUTTON_LEFT, |
700 | [INPUT_BUTTON_MIDDLE] = PS2_MOUSE_BUTTON_MIDDLE, |
701 | [INPUT_BUTTON_RIGHT] = PS2_MOUSE_BUTTON_RIGHT, |
702 | [INPUT_BUTTON_SIDE] = PS2_MOUSE_BUTTON_SIDE, |
703 | [INPUT_BUTTON_EXTRA] = PS2_MOUSE_BUTTON_EXTRA, |
704 | }; |
705 | PS2MouseState *s = (PS2MouseState *)dev; |
706 | InputMoveEvent *move; |
707 | InputBtnEvent *btn; |
708 | |
709 | /* check if deltas are recorded when disabled */ |
710 | if (!(s->mouse_status & MOUSE_STATUS_ENABLED)) |
711 | return; |
712 | |
713 | switch (evt->type) { |
714 | case INPUT_EVENT_KIND_REL: |
715 | move = evt->u.rel.data; |
716 | if (move->axis == INPUT_AXIS_X) { |
717 | s->mouse_dx += move->value; |
718 | } else if (move->axis == INPUT_AXIS_Y) { |
719 | s->mouse_dy -= move->value; |
720 | } |
721 | break; |
722 | |
723 | case INPUT_EVENT_KIND_BTN: |
724 | btn = evt->u.btn.data; |
725 | if (btn->down) { |
726 | s->mouse_buttons |= bmap[btn->button]; |
727 | if (btn->button == INPUT_BUTTON_WHEEL_UP) { |
728 | s->mouse_dz--; |
729 | } else if (btn->button == INPUT_BUTTON_WHEEL_DOWN) { |
730 | s->mouse_dz++; |
731 | } |
732 | } else { |
733 | s->mouse_buttons &= ~bmap[btn->button]; |
734 | } |
735 | break; |
736 | |
737 | default: |
738 | /* keep gcc happy */ |
739 | break; |
740 | } |
741 | } |
742 | |
743 | static void ps2_mouse_sync(DeviceState *dev) |
744 | { |
745 | PS2MouseState *s = (PS2MouseState *)dev; |
746 | |
747 | /* do not sync while disabled to prevent stream corruption */ |
748 | if (!(s->mouse_status & MOUSE_STATUS_ENABLED)) { |
749 | return; |
750 | } |
751 | |
752 | if (s->mouse_buttons) { |
753 | qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER, NULL); |
754 | } |
755 | if (!(s->mouse_status & MOUSE_STATUS_REMOTE)) { |
756 | /* if not remote, send event. Multiple events are sent if |
757 | too big deltas */ |
758 | while (ps2_mouse_send_packet(s)) { |
759 | if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0) |
760 | break; |
761 | } |
762 | } |
763 | } |
764 | |
765 | void ps2_mouse_fake_event(void *opaque) |
766 | { |
767 | PS2MouseState *s = opaque; |
768 | trace_ps2_mouse_fake_event(opaque); |
769 | s->mouse_dx++; |
770 | ps2_mouse_sync(opaque); |
771 | } |
772 | |
773 | void ps2_write_mouse(void *opaque, int val) |
774 | { |
775 | PS2MouseState *s = (PS2MouseState *)opaque; |
776 | |
777 | trace_ps2_write_mouse(opaque, val); |
778 | #ifdef DEBUG_MOUSE |
779 | printf("kbd: write mouse 0x%02x\n" , val); |
780 | #endif |
781 | switch(s->common.write_cmd) { |
782 | default: |
783 | case -1: |
784 | /* mouse command */ |
785 | if (s->mouse_wrap) { |
786 | if (val == AUX_RESET_WRAP) { |
787 | s->mouse_wrap = 0; |
788 | ps2_queue(&s->common, AUX_ACK); |
789 | return; |
790 | } else if (val != AUX_RESET) { |
791 | ps2_queue(&s->common, val); |
792 | return; |
793 | } |
794 | } |
795 | switch(val) { |
796 | case AUX_SET_SCALE11: |
797 | s->mouse_status &= ~MOUSE_STATUS_SCALE21; |
798 | ps2_queue(&s->common, AUX_ACK); |
799 | break; |
800 | case AUX_SET_SCALE21: |
801 | s->mouse_status |= MOUSE_STATUS_SCALE21; |
802 | ps2_queue(&s->common, AUX_ACK); |
803 | break; |
804 | case AUX_SET_STREAM: |
805 | s->mouse_status &= ~MOUSE_STATUS_REMOTE; |
806 | ps2_queue(&s->common, AUX_ACK); |
807 | break; |
808 | case AUX_SET_WRAP: |
809 | s->mouse_wrap = 1; |
810 | ps2_queue(&s->common, AUX_ACK); |
811 | break; |
812 | case AUX_SET_REMOTE: |
813 | s->mouse_status |= MOUSE_STATUS_REMOTE; |
814 | ps2_queue(&s->common, AUX_ACK); |
815 | break; |
816 | case AUX_GET_TYPE: |
817 | ps2_queue_2(&s->common, |
818 | AUX_ACK, |
819 | s->mouse_type); |
820 | break; |
821 | case AUX_SET_RES: |
822 | case AUX_SET_SAMPLE: |
823 | s->common.write_cmd = val; |
824 | ps2_queue(&s->common, AUX_ACK); |
825 | break; |
826 | case AUX_GET_SCALE: |
827 | ps2_queue_4(&s->common, |
828 | AUX_ACK, |
829 | s->mouse_status, |
830 | s->mouse_resolution, |
831 | s->mouse_sample_rate); |
832 | break; |
833 | case AUX_POLL: |
834 | ps2_queue(&s->common, AUX_ACK); |
835 | ps2_mouse_send_packet(s); |
836 | break; |
837 | case AUX_ENABLE_DEV: |
838 | s->mouse_status |= MOUSE_STATUS_ENABLED; |
839 | ps2_queue(&s->common, AUX_ACK); |
840 | break; |
841 | case AUX_DISABLE_DEV: |
842 | s->mouse_status &= ~MOUSE_STATUS_ENABLED; |
843 | ps2_queue(&s->common, AUX_ACK); |
844 | break; |
845 | case AUX_SET_DEFAULT: |
846 | s->mouse_sample_rate = 100; |
847 | s->mouse_resolution = 2; |
848 | s->mouse_status = 0; |
849 | ps2_queue(&s->common, AUX_ACK); |
850 | break; |
851 | case AUX_RESET: |
852 | s->mouse_sample_rate = 100; |
853 | s->mouse_resolution = 2; |
854 | s->mouse_status = 0; |
855 | s->mouse_type = 0; |
856 | ps2_reset_queue(&s->common); |
857 | ps2_queue_3(&s->common, |
858 | AUX_ACK, |
859 | 0xaa, |
860 | s->mouse_type); |
861 | break; |
862 | default: |
863 | break; |
864 | } |
865 | break; |
866 | case AUX_SET_SAMPLE: |
867 | s->mouse_sample_rate = val; |
868 | /* detect IMPS/2 or IMEX */ |
869 | switch(s->mouse_detect_state) { |
870 | default: |
871 | case 0: |
872 | if (val == 200) |
873 | s->mouse_detect_state = 1; |
874 | break; |
875 | case 1: |
876 | if (val == 100) |
877 | s->mouse_detect_state = 2; |
878 | else if (val == 200) |
879 | s->mouse_detect_state = 3; |
880 | else |
881 | s->mouse_detect_state = 0; |
882 | break; |
883 | case 2: |
884 | if (val == 80) |
885 | s->mouse_type = 3; /* IMPS/2 */ |
886 | s->mouse_detect_state = 0; |
887 | break; |
888 | case 3: |
889 | if (val == 80) |
890 | s->mouse_type = 4; /* IMEX */ |
891 | s->mouse_detect_state = 0; |
892 | break; |
893 | } |
894 | ps2_queue(&s->common, AUX_ACK); |
895 | s->common.write_cmd = -1; |
896 | break; |
897 | case AUX_SET_RES: |
898 | s->mouse_resolution = val; |
899 | ps2_queue(&s->common, AUX_ACK); |
900 | s->common.write_cmd = -1; |
901 | break; |
902 | } |
903 | } |
904 | |
905 | static void ps2_common_reset(PS2State *s) |
906 | { |
907 | s->write_cmd = -1; |
908 | ps2_reset_queue(s); |
909 | s->update_irq(s->update_arg, 0); |
910 | } |
911 | |
912 | static void ps2_common_post_load(PS2State *s) |
913 | { |
914 | PS2Queue *q = &s->queue; |
915 | uint8_t i, size; |
916 | uint8_t tmp_data[PS2_QUEUE_SIZE]; |
917 | |
918 | /* set the useful data buffer queue size, < PS2_QUEUE_SIZE */ |
919 | size = q->count; |
920 | if (q->count < 0) { |
921 | size = 0; |
922 | } else if (q->count > PS2_QUEUE_SIZE) { |
923 | size = PS2_QUEUE_SIZE; |
924 | } |
925 | |
926 | /* move the queue elements to the start of data array */ |
927 | for (i = 0; i < size; i++) { |
928 | if (q->rptr < 0 || q->rptr >= sizeof(q->data)) { |
929 | q->rptr = 0; |
930 | } |
931 | tmp_data[i] = q->data[q->rptr++]; |
932 | } |
933 | memcpy(q->data, tmp_data, size); |
934 | |
935 | /* reset rptr/wptr/count */ |
936 | q->rptr = 0; |
937 | q->wptr = (size == PS2_QUEUE_SIZE) ? 0 : size; |
938 | q->count = size; |
939 | } |
940 | |
941 | static void ps2_kbd_reset(void *opaque) |
942 | { |
943 | PS2KbdState *s = (PS2KbdState *) opaque; |
944 | |
945 | trace_ps2_kbd_reset(opaque); |
946 | ps2_common_reset(&s->common); |
947 | s->scan_enabled = 1; |
948 | s->translate = 0; |
949 | s->scancode_set = 2; |
950 | s->modifiers = 0; |
951 | } |
952 | |
953 | static void ps2_mouse_reset(void *opaque) |
954 | { |
955 | PS2MouseState *s = (PS2MouseState *) opaque; |
956 | |
957 | trace_ps2_mouse_reset(opaque); |
958 | ps2_common_reset(&s->common); |
959 | s->mouse_status = 0; |
960 | s->mouse_resolution = 0; |
961 | s->mouse_sample_rate = 0; |
962 | s->mouse_wrap = 0; |
963 | s->mouse_type = 0; |
964 | s->mouse_detect_state = 0; |
965 | s->mouse_dx = 0; |
966 | s->mouse_dy = 0; |
967 | s->mouse_dz = 0; |
968 | s->mouse_buttons = 0; |
969 | } |
970 | |
971 | static const VMStateDescription vmstate_ps2_common = { |
972 | .name = "PS2 Common State" , |
973 | .version_id = 3, |
974 | .minimum_version_id = 2, |
975 | .fields = (VMStateField[]) { |
976 | VMSTATE_INT32(write_cmd, PS2State), |
977 | VMSTATE_INT32(queue.rptr, PS2State), |
978 | VMSTATE_INT32(queue.wptr, PS2State), |
979 | VMSTATE_INT32(queue.count, PS2State), |
980 | VMSTATE_BUFFER(queue.data, PS2State), |
981 | VMSTATE_END_OF_LIST() |
982 | } |
983 | }; |
984 | |
985 | static bool ps2_keyboard_ledstate_needed(void *opaque) |
986 | { |
987 | PS2KbdState *s = opaque; |
988 | |
989 | return s->ledstate != 0; /* 0 is default state */ |
990 | } |
991 | |
992 | static int ps2_kbd_ledstate_post_load(void *opaque, int version_id) |
993 | { |
994 | PS2KbdState *s = opaque; |
995 | |
996 | kbd_put_ledstate(s->ledstate); |
997 | return 0; |
998 | } |
999 | |
1000 | static const VMStateDescription vmstate_ps2_keyboard_ledstate = { |
1001 | .name = "ps2kbd/ledstate" , |
1002 | .version_id = 3, |
1003 | .minimum_version_id = 2, |
1004 | .post_load = ps2_kbd_ledstate_post_load, |
1005 | .needed = ps2_keyboard_ledstate_needed, |
1006 | .fields = (VMStateField[]) { |
1007 | VMSTATE_INT32(ledstate, PS2KbdState), |
1008 | VMSTATE_END_OF_LIST() |
1009 | } |
1010 | }; |
1011 | |
1012 | static bool ps2_keyboard_need_high_bit_needed(void *opaque) |
1013 | { |
1014 | PS2KbdState *s = opaque; |
1015 | return s->need_high_bit != 0; /* 0 is the usual state */ |
1016 | } |
1017 | |
1018 | static const VMStateDescription vmstate_ps2_keyboard_need_high_bit = { |
1019 | .name = "ps2kbd/need_high_bit" , |
1020 | .version_id = 1, |
1021 | .minimum_version_id = 1, |
1022 | .needed = ps2_keyboard_need_high_bit_needed, |
1023 | .fields = (VMStateField[]) { |
1024 | VMSTATE_BOOL(need_high_bit, PS2KbdState), |
1025 | VMSTATE_END_OF_LIST() |
1026 | } |
1027 | }; |
1028 | |
1029 | static int ps2_kbd_post_load(void* opaque, int version_id) |
1030 | { |
1031 | PS2KbdState *s = (PS2KbdState*)opaque; |
1032 | PS2State *ps2 = &s->common; |
1033 | |
1034 | if (version_id == 2) |
1035 | s->scancode_set=2; |
1036 | |
1037 | ps2_common_post_load(ps2); |
1038 | |
1039 | return 0; |
1040 | } |
1041 | |
1042 | static int ps2_kbd_pre_save(void *opaque) |
1043 | { |
1044 | PS2KbdState *s = (PS2KbdState *)opaque; |
1045 | PS2State *ps2 = &s->common; |
1046 | |
1047 | ps2_common_post_load(ps2); |
1048 | |
1049 | return 0; |
1050 | } |
1051 | |
1052 | static const VMStateDescription vmstate_ps2_keyboard = { |
1053 | .name = "ps2kbd" , |
1054 | .version_id = 3, |
1055 | .minimum_version_id = 2, |
1056 | .post_load = ps2_kbd_post_load, |
1057 | .pre_save = ps2_kbd_pre_save, |
1058 | .fields = (VMStateField[]) { |
1059 | VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State), |
1060 | VMSTATE_INT32(scan_enabled, PS2KbdState), |
1061 | VMSTATE_INT32(translate, PS2KbdState), |
1062 | VMSTATE_INT32_V(scancode_set, PS2KbdState,3), |
1063 | VMSTATE_END_OF_LIST() |
1064 | }, |
1065 | .subsections = (const VMStateDescription*[]) { |
1066 | &vmstate_ps2_keyboard_ledstate, |
1067 | &vmstate_ps2_keyboard_need_high_bit, |
1068 | NULL |
1069 | } |
1070 | }; |
1071 | |
1072 | static int ps2_mouse_post_load(void *opaque, int version_id) |
1073 | { |
1074 | PS2MouseState *s = (PS2MouseState *)opaque; |
1075 | PS2State *ps2 = &s->common; |
1076 | |
1077 | ps2_common_post_load(ps2); |
1078 | |
1079 | return 0; |
1080 | } |
1081 | |
1082 | static int ps2_mouse_pre_save(void *opaque) |
1083 | { |
1084 | PS2MouseState *s = (PS2MouseState *)opaque; |
1085 | PS2State *ps2 = &s->common; |
1086 | |
1087 | ps2_common_post_load(ps2); |
1088 | |
1089 | return 0; |
1090 | } |
1091 | |
1092 | static const VMStateDescription vmstate_ps2_mouse = { |
1093 | .name = "ps2mouse" , |
1094 | .version_id = 2, |
1095 | .minimum_version_id = 2, |
1096 | .post_load = ps2_mouse_post_load, |
1097 | .pre_save = ps2_mouse_pre_save, |
1098 | .fields = (VMStateField[]) { |
1099 | VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State), |
1100 | VMSTATE_UINT8(mouse_status, PS2MouseState), |
1101 | VMSTATE_UINT8(mouse_resolution, PS2MouseState), |
1102 | VMSTATE_UINT8(mouse_sample_rate, PS2MouseState), |
1103 | VMSTATE_UINT8(mouse_wrap, PS2MouseState), |
1104 | VMSTATE_UINT8(mouse_type, PS2MouseState), |
1105 | VMSTATE_UINT8(mouse_detect_state, PS2MouseState), |
1106 | VMSTATE_INT32(mouse_dx, PS2MouseState), |
1107 | VMSTATE_INT32(mouse_dy, PS2MouseState), |
1108 | VMSTATE_INT32(mouse_dz, PS2MouseState), |
1109 | VMSTATE_UINT8(mouse_buttons, PS2MouseState), |
1110 | VMSTATE_END_OF_LIST() |
1111 | } |
1112 | }; |
1113 | |
1114 | static QemuInputHandler ps2_keyboard_handler = { |
1115 | .name = "QEMU PS/2 Keyboard" , |
1116 | .mask = INPUT_EVENT_MASK_KEY, |
1117 | .event = ps2_keyboard_event, |
1118 | }; |
1119 | |
1120 | void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg) |
1121 | { |
1122 | PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState)); |
1123 | |
1124 | trace_ps2_kbd_init(s); |
1125 | s->common.update_irq = update_irq; |
1126 | s->common.update_arg = update_arg; |
1127 | s->scancode_set = 2; |
1128 | vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s); |
1129 | qemu_input_handler_register((DeviceState *)s, |
1130 | &ps2_keyboard_handler); |
1131 | qemu_register_reset(ps2_kbd_reset, s); |
1132 | return s; |
1133 | } |
1134 | |
1135 | static QemuInputHandler ps2_mouse_handler = { |
1136 | .name = "QEMU PS/2 Mouse" , |
1137 | .mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, |
1138 | .event = ps2_mouse_event, |
1139 | .sync = ps2_mouse_sync, |
1140 | }; |
1141 | |
1142 | void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg) |
1143 | { |
1144 | PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState)); |
1145 | |
1146 | trace_ps2_mouse_init(s); |
1147 | s->common.update_irq = update_irq; |
1148 | s->common.update_arg = update_arg; |
1149 | vmstate_register(NULL, 0, &vmstate_ps2_mouse, s); |
1150 | qemu_input_handler_register((DeviceState *)s, |
1151 | &ps2_mouse_handler); |
1152 | qemu_register_reset(ps2_mouse_reset, s); |
1153 | return s; |
1154 | } |
1155 | |