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