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/*
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 * QEMU PS/2 keyboard/mouse emulation
3
 *
4
 * Copyright (c) 2003 Fabrice Bellard
5
 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * 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,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
23
 */
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#include "hw.h"
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#include "ps2.h"
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#include "console.h"
27

    
28
/* debug PC keyboard */
29
//#define DEBUG_KBD
30

    
31
/* debug PC keyboard : only mouse */
32
//#define DEBUG_MOUSE
33

    
34
/* Keyboard Commands */
35
#define KBD_CMD_SET_LEDS        0xED        /* Set keyboard leds */
36
#define KBD_CMD_ECHO             0xEE
37
#define KBD_CMD_SCANCODE        0xF0        /* Get/set scancode set */
38
#define KBD_CMD_GET_ID                 0xF2        /* get keyboard ID */
39
#define KBD_CMD_SET_RATE        0xF3        /* Set typematic rate */
40
#define KBD_CMD_ENABLE                0xF4        /* Enable scanning */
41
#define KBD_CMD_RESET_DISABLE        0xF5        /* reset and disable scanning */
42
#define KBD_CMD_RESET_ENABLE           0xF6    /* reset and enable scanning */
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#define KBD_CMD_RESET                0xFF        /* Reset */
44

    
45
/* Keyboard Replies */
46
#define KBD_REPLY_POR                0xAA        /* Power on reset */
47
#define KBD_REPLY_ID                0xAB        /* Keyboard ID */
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#define KBD_REPLY_ACK                0xFA        /* Command ACK */
49
#define KBD_REPLY_RESEND        0xFE        /* Command NACK, send the cmd again */
50

    
51
/* Mouse Commands */
52
#define AUX_SET_SCALE11                0xE6        /* Set 1:1 scaling */
53
#define AUX_SET_SCALE21                0xE7        /* Set 2:1 scaling */
54
#define AUX_SET_RES                0xE8        /* Set resolution */
55
#define AUX_GET_SCALE                0xE9        /* Get scaling factor */
56
#define AUX_SET_STREAM                0xEA        /* Set stream mode */
57
#define AUX_POLL                0xEB        /* Poll */
58
#define AUX_RESET_WRAP                0xEC        /* Reset wrap mode */
59
#define AUX_SET_WRAP                0xEE        /* Set wrap mode */
60
#define AUX_SET_REMOTE                0xF0        /* Set remote mode */
61
#define AUX_GET_TYPE                0xF2        /* Get type */
62
#define AUX_SET_SAMPLE                0xF3        /* Set sample rate */
63
#define AUX_ENABLE_DEV                0xF4        /* Enable aux device */
64
#define AUX_DISABLE_DEV                0xF5        /* Disable aux device */
65
#define AUX_SET_DEFAULT                0xF6
66
#define AUX_RESET                0xFF        /* Reset aux device */
67
#define AUX_ACK                        0xFA        /* Command byte ACK. */
68

    
69
#define MOUSE_STATUS_REMOTE     0x40
70
#define MOUSE_STATUS_ENABLED    0x20
71
#define MOUSE_STATUS_SCALE21    0x10
72

    
73
#define PS2_QUEUE_SIZE 256
74

    
75
typedef struct {
76
    uint8_t data[PS2_QUEUE_SIZE];
77
    int rptr, wptr, count;
78
} PS2Queue;
79

    
80
typedef struct {
81
    PS2Queue queue;
82
    int32_t write_cmd;
83
    void (*update_irq)(void *, int);
84
    void *update_arg;
85
} PS2State;
86

    
87
typedef struct {
88
    PS2State common;
89
    int scan_enabled;
90
    /* Qemu uses translated PC scancodes internally.  To avoid multiple
91
       conversions we do the translation (if any) in the PS/2 emulation
92
       not the keyboard controller.  */
93
    int translate;
94
    int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */
95
} PS2KbdState;
96

    
97
typedef struct {
98
    PS2State common;
99
    uint8_t mouse_status;
100
    uint8_t mouse_resolution;
101
    uint8_t mouse_sample_rate;
102
    uint8_t mouse_wrap;
103
    uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
104
    uint8_t mouse_detect_state;
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    int mouse_dx; /* current values, needed for 'poll' mode */
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    int mouse_dy;
107
    int mouse_dz;
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    uint8_t mouse_buttons;
109
} PS2MouseState;
110

    
111
/* Table to convert from PC scancodes to raw scancodes.  */
112
static const unsigned char ps2_raw_keycode[128] = {
113
  0, 118,  22,  30,  38,  37,  46,  54,  61,  62,  70,  69,  78,  85, 102,  13,
114
 21,  29,  36,  45,  44,  53,  60,  67,  68,  77,  84,  91,  90,  20,  28,  27,
115
 35,  43,  52,  51,  59,  66,  75,  76,  82,  14,  18,  93,  26,  34,  33,  42,
116
 50,  49,  58,  65,  73,  74,  89, 124,  17,  41,  88,   5,   6,   4,  12,   3,
117
 11,   2,  10,   1,   9, 119, 126, 108, 117, 125, 123, 107, 115, 116, 121, 105,
118
114, 122, 112, 113, 127,  96,  97, 120,   7,  15,  23,  31,  39,  47,  55,  63,
119
 71,  79,  86,  94,   8,  16,  24,  32,  40,  48,  56,  64,  72,  80,  87, 111,
120
 19,  25,  57,  81,  83,  92,  95,  98,  99, 100, 101, 103, 104, 106, 109, 110
121
};
122
static const unsigned char ps2_raw_keycode_set3[128] = {
123
  0,   8,  22,  30,  38,  37,  46,  54,  61,  62,  70,  69,  78,  85, 102,  13,
124
 21,  29,  36,  45,  44,  53,  60,  67,  68,  77,  84,  91,  90,  17,  28,  27,
125
 35,  43,  52,  51,  59,  66,  75,  76,  82,  14,  18,  92,  26,  34,  33,  42,
126
 50,  49,  58,  65,  73,  74,  89, 126,  25,  41,  20,   7,  15,  23,  31,  39,
127
 47,   2,  63,  71,  79, 118,  95, 108, 117, 125, 132, 107, 115, 116, 124, 105,
128
114, 122, 112, 113, 127,  96,  97,  86,  94,  15,  23,  31,  39,  47,  55,  63,
129
 71,  79,  86,  94,   8,  16,  24,  32,  40,  48,  56,  64,  72,  80,  87, 111,
130
 19,  25,  57,  81,  83,  92,  95,  98,  99, 100, 101, 103, 104, 106, 109, 110
131
};
132

    
133
void ps2_queue(void *opaque, int b)
134
{
135
    PS2State *s = (PS2State *)opaque;
136
    PS2Queue *q = &s->queue;
137

    
138
    if (q->count >= PS2_QUEUE_SIZE)
139
        return;
140
    q->data[q->wptr] = b;
141
    if (++q->wptr == PS2_QUEUE_SIZE)
142
        q->wptr = 0;
143
    q->count++;
144
    s->update_irq(s->update_arg, 1);
145
}
146

    
147
/*
148
   keycode is expressed as follow:
149
   bit 7    - 0 key pressed, 1 = key released
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   bits 6-0 - translated scancode set 2
151
 */
152
static void ps2_put_keycode(void *opaque, int keycode)
153
{
154
    PS2KbdState *s = opaque;
155

    
156
    /* XXX: add support for scancode set 1 */
157
    if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) {
158
        if (keycode & 0x80) {
159
            ps2_queue(&s->common, 0xf0);
160
        }
161
        if (s->scancode_set == 2) {
162
            keycode = ps2_raw_keycode[keycode & 0x7f];
163
        } else if (s->scancode_set == 3) {
164
            keycode = ps2_raw_keycode_set3[keycode & 0x7f];
165
        }
166
      }
167
    ps2_queue(&s->common, keycode);
168
}
169

    
170
uint32_t ps2_read_data(void *opaque)
171
{
172
    PS2State *s = (PS2State *)opaque;
173
    PS2Queue *q;
174
    int val, index;
175

    
176
    q = &s->queue;
177
    if (q->count == 0) {
178
        /* NOTE: if no data left, we return the last keyboard one
179
           (needed for EMM386) */
180
        /* XXX: need a timer to do things correctly */
181
        index = q->rptr - 1;
182
        if (index < 0)
183
            index = PS2_QUEUE_SIZE - 1;
184
        val = q->data[index];
185
    } else {
186
        val = q->data[q->rptr];
187
        if (++q->rptr == PS2_QUEUE_SIZE)
188
            q->rptr = 0;
189
        q->count--;
190
        /* reading deasserts IRQ */
191
        s->update_irq(s->update_arg, 0);
192
        /* reassert IRQs if data left */
193
        s->update_irq(s->update_arg, q->count != 0);
194
    }
195
    return val;
196
}
197

    
198
static void ps2_reset_keyboard(PS2KbdState *s)
199
{
200
    s->scan_enabled = 1;
201
    s->scancode_set = 2;
202
    kbd_put_ledstate(0);
203
}
204

    
205
void ps2_write_keyboard(void *opaque, int val)
206
{
207
    PS2KbdState *s = (PS2KbdState *)opaque;
208

    
209
    switch(s->common.write_cmd) {
210
    default:
211
    case -1:
212
        switch(val) {
213
        case 0x00:
214
            ps2_queue(&s->common, KBD_REPLY_ACK);
215
            break;
216
        case 0x05:
217
            ps2_queue(&s->common, KBD_REPLY_RESEND);
218
            break;
219
        case KBD_CMD_GET_ID:
220
            ps2_queue(&s->common, KBD_REPLY_ACK);
221
            /* We emulate a MF2 AT keyboard here */
222
            ps2_queue(&s->common, KBD_REPLY_ID);
223
            if (s->translate)
224
                ps2_queue(&s->common, 0x41);
225
            else
226
                ps2_queue(&s->common, 0x83);
227
            break;
228
        case KBD_CMD_ECHO:
229
            ps2_queue(&s->common, KBD_CMD_ECHO);
230
            break;
231
        case KBD_CMD_ENABLE:
232
            s->scan_enabled = 1;
233
            ps2_queue(&s->common, KBD_REPLY_ACK);
234
            break;
235
        case KBD_CMD_SCANCODE:
236
        case KBD_CMD_SET_LEDS:
237
        case KBD_CMD_SET_RATE:
238
            s->common.write_cmd = val;
239
            ps2_queue(&s->common, KBD_REPLY_ACK);
240
            break;
241
        case KBD_CMD_RESET_DISABLE:
242
            ps2_reset_keyboard(s);
243
            s->scan_enabled = 0;
244
            ps2_queue(&s->common, KBD_REPLY_ACK);
245
            break;
246
        case KBD_CMD_RESET_ENABLE:
247
            ps2_reset_keyboard(s);
248
            s->scan_enabled = 1;
249
            ps2_queue(&s->common, KBD_REPLY_ACK);
250
            break;
251
        case KBD_CMD_RESET:
252
            ps2_reset_keyboard(s);
253
            ps2_queue(&s->common, KBD_REPLY_ACK);
254
            ps2_queue(&s->common, KBD_REPLY_POR);
255
            break;
256
        default:
257
            ps2_queue(&s->common, KBD_REPLY_ACK);
258
            break;
259
        }
260
        break;
261
    case KBD_CMD_SCANCODE:
262
        if (val == 0) {
263
            if (s->scancode_set == 1)
264
                ps2_put_keycode(s, 0x43);
265
            else if (s->scancode_set == 2)
266
                ps2_put_keycode(s, 0x41);
267
            else if (s->scancode_set == 3)
268
                ps2_put_keycode(s, 0x3f);
269
        } else {
270
            if (val >= 1 && val <= 3)
271
                s->scancode_set = val;
272
            ps2_queue(&s->common, KBD_REPLY_ACK);
273
        }
274
        s->common.write_cmd = -1;
275
        break;
276
    case KBD_CMD_SET_LEDS:
277
        kbd_put_ledstate(val);
278
        ps2_queue(&s->common, KBD_REPLY_ACK);
279
        s->common.write_cmd = -1;
280
        break;
281
    case KBD_CMD_SET_RATE:
282
        ps2_queue(&s->common, KBD_REPLY_ACK);
283
        s->common.write_cmd = -1;
284
        break;
285
    }
286
}
287

    
288
/* Set the scancode translation mode.
289
   0 = raw scancodes.
290
   1 = translated scancodes (used by qemu internally).  */
291

    
292
void ps2_keyboard_set_translation(void *opaque, int mode)
293
{
294
    PS2KbdState *s = (PS2KbdState *)opaque;
295
    s->translate = mode;
296
}
297

    
298
static void ps2_mouse_send_packet(PS2MouseState *s)
299
{
300
    unsigned int b;
301
    int dx1, dy1, dz1;
302

    
303
    dx1 = s->mouse_dx;
304
    dy1 = s->mouse_dy;
305
    dz1 = s->mouse_dz;
306
    /* XXX: increase range to 8 bits ? */
307
    if (dx1 > 127)
308
        dx1 = 127;
309
    else if (dx1 < -127)
310
        dx1 = -127;
311
    if (dy1 > 127)
312
        dy1 = 127;
313
    else if (dy1 < -127)
314
        dy1 = -127;
315
    b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
316
    ps2_queue(&s->common, b);
317
    ps2_queue(&s->common, dx1 & 0xff);
318
    ps2_queue(&s->common, dy1 & 0xff);
319
    /* extra byte for IMPS/2 or IMEX */
320
    switch(s->mouse_type) {
321
    default:
322
        break;
323
    case 3:
324
        if (dz1 > 127)
325
            dz1 = 127;
326
        else if (dz1 < -127)
327
                dz1 = -127;
328
        ps2_queue(&s->common, dz1 & 0xff);
329
        break;
330
    case 4:
331
        if (dz1 > 7)
332
            dz1 = 7;
333
        else if (dz1 < -7)
334
            dz1 = -7;
335
        b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
336
        ps2_queue(&s->common, b);
337
        break;
338
    }
339

    
340
    /* update deltas */
341
    s->mouse_dx -= dx1;
342
    s->mouse_dy -= dy1;
343
    s->mouse_dz -= dz1;
344
}
345

    
346
static void ps2_mouse_event(void *opaque,
347
                            int dx, int dy, int dz, int buttons_state)
348
{
349
    PS2MouseState *s = opaque;
350

    
351
    /* check if deltas are recorded when disabled */
352
    if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
353
        return;
354

    
355
    s->mouse_dx += dx;
356
    s->mouse_dy -= dy;
357
    s->mouse_dz += dz;
358
    /* XXX: SDL sometimes generates nul events: we delete them */
359
    if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 &&
360
        s->mouse_buttons == buttons_state)
361
        return;
362
    s->mouse_buttons = buttons_state;
363

    
364
    if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
365
        (s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
366
        for(;;) {
367
            /* if not remote, send event. Multiple events are sent if
368
               too big deltas */
369
            ps2_mouse_send_packet(s);
370
            if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
371
                break;
372
        }
373
    }
374
}
375

    
376
void ps2_mouse_fake_event(void *opaque)
377
{
378
    ps2_mouse_event(opaque, 1, 0, 0, 0);
379
}
380

    
381
void ps2_write_mouse(void *opaque, int val)
382
{
383
    PS2MouseState *s = (PS2MouseState *)opaque;
384
#ifdef DEBUG_MOUSE
385
    printf("kbd: write mouse 0x%02x\n", val);
386
#endif
387
    switch(s->common.write_cmd) {
388
    default:
389
    case -1:
390
        /* mouse command */
391
        if (s->mouse_wrap) {
392
            if (val == AUX_RESET_WRAP) {
393
                s->mouse_wrap = 0;
394
                ps2_queue(&s->common, AUX_ACK);
395
                return;
396
            } else if (val != AUX_RESET) {
397
                ps2_queue(&s->common, val);
398
                return;
399
            }
400
        }
401
        switch(val) {
402
        case AUX_SET_SCALE11:
403
            s->mouse_status &= ~MOUSE_STATUS_SCALE21;
404
            ps2_queue(&s->common, AUX_ACK);
405
            break;
406
        case AUX_SET_SCALE21:
407
            s->mouse_status |= MOUSE_STATUS_SCALE21;
408
            ps2_queue(&s->common, AUX_ACK);
409
            break;
410
        case AUX_SET_STREAM:
411
            s->mouse_status &= ~MOUSE_STATUS_REMOTE;
412
            ps2_queue(&s->common, AUX_ACK);
413
            break;
414
        case AUX_SET_WRAP:
415
            s->mouse_wrap = 1;
416
            ps2_queue(&s->common, AUX_ACK);
417
            break;
418
        case AUX_SET_REMOTE:
419
            s->mouse_status |= MOUSE_STATUS_REMOTE;
420
            ps2_queue(&s->common, AUX_ACK);
421
            break;
422
        case AUX_GET_TYPE:
423
            ps2_queue(&s->common, AUX_ACK);
424
            ps2_queue(&s->common, s->mouse_type);
425
            break;
426
        case AUX_SET_RES:
427
        case AUX_SET_SAMPLE:
428
            s->common.write_cmd = val;
429
            ps2_queue(&s->common, AUX_ACK);
430
            break;
431
        case AUX_GET_SCALE:
432
            ps2_queue(&s->common, AUX_ACK);
433
            ps2_queue(&s->common, s->mouse_status);
434
            ps2_queue(&s->common, s->mouse_resolution);
435
            ps2_queue(&s->common, s->mouse_sample_rate);
436
            break;
437
        case AUX_POLL:
438
            ps2_queue(&s->common, AUX_ACK);
439
            ps2_mouse_send_packet(s);
440
            break;
441
        case AUX_ENABLE_DEV:
442
            s->mouse_status |= MOUSE_STATUS_ENABLED;
443
            ps2_queue(&s->common, AUX_ACK);
444
            break;
445
        case AUX_DISABLE_DEV:
446
            s->mouse_status &= ~MOUSE_STATUS_ENABLED;
447
            ps2_queue(&s->common, AUX_ACK);
448
            break;
449
        case AUX_SET_DEFAULT:
450
            s->mouse_sample_rate = 100;
451
            s->mouse_resolution = 2;
452
            s->mouse_status = 0;
453
            ps2_queue(&s->common, AUX_ACK);
454
            break;
455
        case AUX_RESET:
456
            s->mouse_sample_rate = 100;
457
            s->mouse_resolution = 2;
458
            s->mouse_status = 0;
459
            s->mouse_type = 0;
460
            ps2_queue(&s->common, AUX_ACK);
461
            ps2_queue(&s->common, 0xaa);
462
            ps2_queue(&s->common, s->mouse_type);
463
            break;
464
        default:
465
            break;
466
        }
467
        break;
468
    case AUX_SET_SAMPLE:
469
        s->mouse_sample_rate = val;
470
        /* detect IMPS/2 or IMEX */
471
        switch(s->mouse_detect_state) {
472
        default:
473
        case 0:
474
            if (val == 200)
475
                s->mouse_detect_state = 1;
476
            break;
477
        case 1:
478
            if (val == 100)
479
                s->mouse_detect_state = 2;
480
            else if (val == 200)
481
                s->mouse_detect_state = 3;
482
            else
483
                s->mouse_detect_state = 0;
484
            break;
485
        case 2:
486
            if (val == 80)
487
                s->mouse_type = 3; /* IMPS/2 */
488
            s->mouse_detect_state = 0;
489
            break;
490
        case 3:
491
            if (val == 80)
492
                s->mouse_type = 4; /* IMEX */
493
            s->mouse_detect_state = 0;
494
            break;
495
        }
496
        ps2_queue(&s->common, AUX_ACK);
497
        s->common.write_cmd = -1;
498
        break;
499
    case AUX_SET_RES:
500
        s->mouse_resolution = val;
501
        ps2_queue(&s->common, AUX_ACK);
502
        s->common.write_cmd = -1;
503
        break;
504
    }
505
}
506

    
507
static void ps2_common_reset(PS2State *s)
508
{
509
    PS2Queue *q;
510
    s->write_cmd = -1;
511
    q = &s->queue;
512
    q->rptr = 0;
513
    q->wptr = 0;
514
    q->count = 0;
515
    s->update_irq(s->update_arg, 0);
516
}
517

    
518
static void ps2_kbd_reset(void *opaque)
519
{
520
    PS2KbdState *s = (PS2KbdState *) opaque;
521

    
522
    ps2_common_reset(&s->common);
523
    s->scan_enabled = 0;
524
    s->translate = 0;
525
    s->scancode_set = 0;
526
}
527

    
528
static void ps2_mouse_reset(void *opaque)
529
{
530
    PS2MouseState *s = (PS2MouseState *) opaque;
531

    
532
    ps2_common_reset(&s->common);
533
    s->mouse_status = 0;
534
    s->mouse_resolution = 0;
535
    s->mouse_sample_rate = 0;
536
    s->mouse_wrap = 0;
537
    s->mouse_type = 0;
538
    s->mouse_detect_state = 0;
539
    s->mouse_dx = 0;
540
    s->mouse_dy = 0;
541
    s->mouse_dz = 0;
542
    s->mouse_buttons = 0;
543
}
544

    
545
static const VMStateDescription vmstate_ps2_common = {
546
    .name = "PS2 Common State",
547
    .version_id = 3,
548
    .minimum_version_id = 2,
549
    .minimum_version_id_old = 2,
550
    .fields      = (VMStateField []) {
551
        VMSTATE_INT32(write_cmd, PS2State),
552
        VMSTATE_INT32(queue.rptr, PS2State),
553
        VMSTATE_INT32(queue.wptr, PS2State),
554
        VMSTATE_INT32(queue.count, PS2State),
555
        VMSTATE_BUFFER(queue.data, PS2State),
556
        VMSTATE_END_OF_LIST()
557
    }
558
};
559

    
560
static int ps2_kbd_post_load(void* opaque, int version_id)
561
{
562
    PS2KbdState *s = (PS2KbdState*)opaque;
563

    
564
    if (version_id == 2)
565
        s->scancode_set=2;
566
    return 0;
567
}
568

    
569
static const VMStateDescription vmstate_ps2_keyboard = {
570
    .name = "ps2kbd",
571
    .version_id = 3,
572
    .minimum_version_id = 2,
573
    .minimum_version_id_old = 2,
574
    .post_load = ps2_kbd_post_load,
575
    .fields      = (VMStateField []) {
576
        VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
577
        VMSTATE_INT32(scan_enabled, PS2KbdState),
578
        VMSTATE_INT32(translate, PS2KbdState),
579
        VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
580
        VMSTATE_END_OF_LIST()
581
    }
582
};
583

    
584
static const VMStateDescription vmstate_ps2_mouse = {
585
    .name = "ps2mouse",
586
    .version_id = 2,
587
    .minimum_version_id = 2,
588
    .minimum_version_id_old = 2,
589
    .fields      = (VMStateField []) {
590
        VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
591
        VMSTATE_UINT8(mouse_status, PS2MouseState),
592
        VMSTATE_UINT8(mouse_resolution, PS2MouseState),
593
        VMSTATE_UINT8(mouse_sample_rate, PS2MouseState),
594
        VMSTATE_UINT8(mouse_wrap, PS2MouseState),
595
        VMSTATE_UINT8(mouse_type, PS2MouseState),
596
        VMSTATE_UINT8(mouse_detect_state, PS2MouseState),
597
        VMSTATE_INT32(mouse_dx, PS2MouseState),
598
        VMSTATE_INT32(mouse_dy, PS2MouseState),
599
        VMSTATE_INT32(mouse_dz, PS2MouseState),
600
        VMSTATE_UINT8(mouse_buttons, PS2MouseState),
601
        VMSTATE_END_OF_LIST()
602
    }
603
};
604

    
605
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
606
{
607
    PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
608

    
609
    s->common.update_irq = update_irq;
610
    s->common.update_arg = update_arg;
611
    s->scancode_set = 2;
612
    vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
613
    qemu_add_kbd_event_handler(ps2_put_keycode, s);
614
    qemu_register_reset(ps2_kbd_reset, s);
615
    return s;
616
}
617

    
618
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
619
{
620
    PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
621

    
622
    s->common.update_irq = update_irq;
623
    s->common.update_arg = update_arg;
624
    vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
625
    qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse");
626
    qemu_register_reset(ps2_mouse_reset, s);
627
    return s;
628
}