root / hw / ps2.c @ 0d09e41a
History | View | Annotate | Download (20.4 kB)
| 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 |
#include "hw/hw.h" |
| 25 |
#include "hw/input/ps2.h" |
| 26 |
#include "ui/console.h" |
| 27 |
#include "sysemu/sysemu.h" |
| 28 |
|
| 29 |
/* debug PC keyboard */
|
| 30 |
//#define DEBUG_KBD
|
| 31 |
|
| 32 |
/* debug PC keyboard : only mouse */
|
| 33 |
//#define DEBUG_MOUSE
|
| 34 |
|
| 35 |
/* Keyboard Commands */
|
| 36 |
#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */ |
| 37 |
#define KBD_CMD_ECHO 0xEE |
| 38 |
#define KBD_CMD_SCANCODE 0xF0 /* Get/set scancode set */ |
| 39 |
#define KBD_CMD_GET_ID 0xF2 /* get keyboard ID */ |
| 40 |
#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */ |
| 41 |
#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */ |
| 42 |
#define KBD_CMD_RESET_DISABLE 0xF5 /* reset and disable scanning */ |
| 43 |
#define KBD_CMD_RESET_ENABLE 0xF6 /* reset and enable scanning */ |
| 44 |
#define KBD_CMD_RESET 0xFF /* Reset */ |
| 45 |
|
| 46 |
/* Keyboard Replies */
|
| 47 |
#define KBD_REPLY_POR 0xAA /* Power on reset */ |
| 48 |
#define KBD_REPLY_ID 0xAB /* Keyboard ID */ |
| 49 |
#define KBD_REPLY_ACK 0xFA /* Command ACK */ |
| 50 |
#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */ |
| 51 |
|
| 52 |
/* Mouse Commands */
|
| 53 |
#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */ |
| 54 |
#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */ |
| 55 |
#define AUX_SET_RES 0xE8 /* Set resolution */ |
| 56 |
#define AUX_GET_SCALE 0xE9 /* Get scaling factor */ |
| 57 |
#define AUX_SET_STREAM 0xEA /* Set stream mode */ |
| 58 |
#define AUX_POLL 0xEB /* Poll */ |
| 59 |
#define AUX_RESET_WRAP 0xEC /* Reset wrap mode */ |
| 60 |
#define AUX_SET_WRAP 0xEE /* Set wrap mode */ |
| 61 |
#define AUX_SET_REMOTE 0xF0 /* Set remote mode */ |
| 62 |
#define AUX_GET_TYPE 0xF2 /* Get type */ |
| 63 |
#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */ |
| 64 |
#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */ |
| 65 |
#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */ |
| 66 |
#define AUX_SET_DEFAULT 0xF6 |
| 67 |
#define AUX_RESET 0xFF /* Reset aux device */ |
| 68 |
#define AUX_ACK 0xFA /* Command byte ACK. */ |
| 69 |
|
| 70 |
#define MOUSE_STATUS_REMOTE 0x40 |
| 71 |
#define MOUSE_STATUS_ENABLED 0x20 |
| 72 |
#define MOUSE_STATUS_SCALE21 0x10 |
| 73 |
|
| 74 |
#define PS2_QUEUE_SIZE 256 |
| 75 |
|
| 76 |
typedef struct { |
| 77 |
uint8_t data[PS2_QUEUE_SIZE]; |
| 78 |
int rptr, wptr, count;
|
| 79 |
} PS2Queue; |
| 80 |
|
| 81 |
typedef struct { |
| 82 |
PS2Queue queue; |
| 83 |
int32_t write_cmd; |
| 84 |
void (*update_irq)(void *, int); |
| 85 |
void *update_arg;
|
| 86 |
} PS2State; |
| 87 |
|
| 88 |
typedef struct { |
| 89 |
PS2State common; |
| 90 |
int scan_enabled;
|
| 91 |
/* QEMU uses translated PC scancodes internally. To avoid multiple
|
| 92 |
conversions we do the translation (if any) in the PS/2 emulation
|
| 93 |
not the keyboard controller. */
|
| 94 |
int translate;
|
| 95 |
int scancode_set; /* 1=XT, 2=AT, 3=PS/2 */ |
| 96 |
int ledstate;
|
| 97 |
} PS2KbdState; |
| 98 |
|
| 99 |
typedef struct { |
| 100 |
PS2State common; |
| 101 |
uint8_t mouse_status; |
| 102 |
uint8_t mouse_resolution; |
| 103 |
uint8_t mouse_sample_rate; |
| 104 |
uint8_t mouse_wrap; |
| 105 |
uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
|
| 106 |
uint8_t mouse_detect_state; |
| 107 |
int mouse_dx; /* current values, needed for 'poll' mode */ |
| 108 |
int mouse_dy;
|
| 109 |
int mouse_dz;
|
| 110 |
uint8_t mouse_buttons; |
| 111 |
} PS2MouseState; |
| 112 |
|
| 113 |
/* Table to convert from PC scancodes to raw scancodes. */
|
| 114 |
static const unsigned char ps2_raw_keycode[128] = { |
| 115 |
0, 118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85, 102, 13, |
| 116 |
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, |
| 117 |
35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, |
| 118 |
50, 49, 58, 65, 73, 74, 89, 124, 17, 41, 88, 5, 6, 4, 12, 3, |
| 119 |
11, 2, 10, 1, 9, 119, 126, 108, 117, 125, 123, 107, 115, 116, 121, 105, |
| 120 |
114, 122, 112, 113, 127, 96, 97, 120, 7, 15, 23, 31, 39, 47, 55, 63, |
| 121 |
71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87, 111, |
| 122 |
19, 25, 57, 81, 83, 92, 95, 98, 99, 100, 101, 103, 104, 106, 109, 110 |
| 123 |
}; |
| 124 |
static const unsigned char ps2_raw_keycode_set3[128] = { |
| 125 |
0, 8, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85, 102, 13, |
| 126 |
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 17, 28, 27, |
| 127 |
35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 92, 26, 34, 33, 42, |
| 128 |
50, 49, 58, 65, 73, 74, 89, 126, 25, 41, 20, 7, 15, 23, 31, 39, |
| 129 |
47, 2, 63, 71, 79, 118, 95, 108, 117, 125, 132, 107, 115, 116, 124, 105, |
| 130 |
114, 122, 112, 113, 127, 96, 97, 86, 94, 15, 23, 31, 39, 47, 55, 63, |
| 131 |
71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87, 111, |
| 132 |
19, 25, 57, 81, 83, 92, 95, 98, 99, 100, 101, 103, 104, 106, 109, 110 |
| 133 |
}; |
| 134 |
|
| 135 |
void ps2_queue(void *opaque, int b) |
| 136 |
{
|
| 137 |
PS2State *s = (PS2State *)opaque; |
| 138 |
PS2Queue *q = &s->queue; |
| 139 |
|
| 140 |
if (q->count >= PS2_QUEUE_SIZE)
|
| 141 |
return;
|
| 142 |
q->data[q->wptr] = b; |
| 143 |
if (++q->wptr == PS2_QUEUE_SIZE)
|
| 144 |
q->wptr = 0;
|
| 145 |
q->count++; |
| 146 |
s->update_irq(s->update_arg, 1);
|
| 147 |
} |
| 148 |
|
| 149 |
/*
|
| 150 |
keycode is expressed as follow:
|
| 151 |
bit 7 - 0 key pressed, 1 = key released
|
| 152 |
bits 6-0 - translated scancode set 2
|
| 153 |
*/
|
| 154 |
static void ps2_put_keycode(void *opaque, int keycode) |
| 155 |
{
|
| 156 |
PS2KbdState *s = opaque; |
| 157 |
|
| 158 |
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER); |
| 159 |
/* XXX: add support for scancode set 1 */
|
| 160 |
if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) { |
| 161 |
if (keycode & 0x80) { |
| 162 |
ps2_queue(&s->common, 0xf0);
|
| 163 |
} |
| 164 |
if (s->scancode_set == 2) { |
| 165 |
keycode = ps2_raw_keycode[keycode & 0x7f];
|
| 166 |
} else if (s->scancode_set == 3) { |
| 167 |
keycode = ps2_raw_keycode_set3[keycode & 0x7f];
|
| 168 |
} |
| 169 |
} |
| 170 |
ps2_queue(&s->common, keycode); |
| 171 |
} |
| 172 |
|
| 173 |
uint32_t ps2_read_data(void *opaque)
|
| 174 |
{
|
| 175 |
PS2State *s = (PS2State *)opaque; |
| 176 |
PS2Queue *q; |
| 177 |
int val, index;
|
| 178 |
|
| 179 |
q = &s->queue; |
| 180 |
if (q->count == 0) { |
| 181 |
/* NOTE: if no data left, we return the last keyboard one
|
| 182 |
(needed for EMM386) */
|
| 183 |
/* XXX: need a timer to do things correctly */
|
| 184 |
index = q->rptr - 1;
|
| 185 |
if (index < 0) |
| 186 |
index = PS2_QUEUE_SIZE - 1;
|
| 187 |
val = q->data[index]; |
| 188 |
} else {
|
| 189 |
val = q->data[q->rptr]; |
| 190 |
if (++q->rptr == PS2_QUEUE_SIZE)
|
| 191 |
q->rptr = 0;
|
| 192 |
q->count--; |
| 193 |
/* reading deasserts IRQ */
|
| 194 |
s->update_irq(s->update_arg, 0);
|
| 195 |
/* reassert IRQs if data left */
|
| 196 |
s->update_irq(s->update_arg, q->count != 0);
|
| 197 |
} |
| 198 |
return val;
|
| 199 |
} |
| 200 |
|
| 201 |
static void ps2_set_ledstate(PS2KbdState *s, int ledstate) |
| 202 |
{
|
| 203 |
s->ledstate = ledstate; |
| 204 |
kbd_put_ledstate(ledstate); |
| 205 |
} |
| 206 |
|
| 207 |
static void ps2_reset_keyboard(PS2KbdState *s) |
| 208 |
{
|
| 209 |
s->scan_enabled = 1;
|
| 210 |
s->scancode_set = 2;
|
| 211 |
ps2_set_ledstate(s, 0);
|
| 212 |
} |
| 213 |
|
| 214 |
void ps2_write_keyboard(void *opaque, int val) |
| 215 |
{
|
| 216 |
PS2KbdState *s = (PS2KbdState *)opaque; |
| 217 |
|
| 218 |
switch(s->common.write_cmd) {
|
| 219 |
default:
|
| 220 |
case -1: |
| 221 |
switch(val) {
|
| 222 |
case 0x00: |
| 223 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 224 |
break;
|
| 225 |
case 0x05: |
| 226 |
ps2_queue(&s->common, KBD_REPLY_RESEND); |
| 227 |
break;
|
| 228 |
case KBD_CMD_GET_ID:
|
| 229 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 230 |
/* We emulate a MF2 AT keyboard here */
|
| 231 |
ps2_queue(&s->common, KBD_REPLY_ID); |
| 232 |
if (s->translate)
|
| 233 |
ps2_queue(&s->common, 0x41);
|
| 234 |
else
|
| 235 |
ps2_queue(&s->common, 0x83);
|
| 236 |
break;
|
| 237 |
case KBD_CMD_ECHO:
|
| 238 |
ps2_queue(&s->common, KBD_CMD_ECHO); |
| 239 |
break;
|
| 240 |
case KBD_CMD_ENABLE:
|
| 241 |
s->scan_enabled = 1;
|
| 242 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 243 |
break;
|
| 244 |
case KBD_CMD_SCANCODE:
|
| 245 |
case KBD_CMD_SET_LEDS:
|
| 246 |
case KBD_CMD_SET_RATE:
|
| 247 |
s->common.write_cmd = val; |
| 248 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 249 |
break;
|
| 250 |
case KBD_CMD_RESET_DISABLE:
|
| 251 |
ps2_reset_keyboard(s); |
| 252 |
s->scan_enabled = 0;
|
| 253 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 254 |
break;
|
| 255 |
case KBD_CMD_RESET_ENABLE:
|
| 256 |
ps2_reset_keyboard(s); |
| 257 |
s->scan_enabled = 1;
|
| 258 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 259 |
break;
|
| 260 |
case KBD_CMD_RESET:
|
| 261 |
ps2_reset_keyboard(s); |
| 262 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 263 |
ps2_queue(&s->common, KBD_REPLY_POR); |
| 264 |
break;
|
| 265 |
default:
|
| 266 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 267 |
break;
|
| 268 |
} |
| 269 |
break;
|
| 270 |
case KBD_CMD_SCANCODE:
|
| 271 |
if (val == 0) { |
| 272 |
if (s->scancode_set == 1) |
| 273 |
ps2_put_keycode(s, 0x43);
|
| 274 |
else if (s->scancode_set == 2) |
| 275 |
ps2_put_keycode(s, 0x41);
|
| 276 |
else if (s->scancode_set == 3) |
| 277 |
ps2_put_keycode(s, 0x3f);
|
| 278 |
} else {
|
| 279 |
if (val >= 1 && val <= 3) |
| 280 |
s->scancode_set = val; |
| 281 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 282 |
} |
| 283 |
s->common.write_cmd = -1;
|
| 284 |
break;
|
| 285 |
case KBD_CMD_SET_LEDS:
|
| 286 |
ps2_set_ledstate(s, val); |
| 287 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 288 |
s->common.write_cmd = -1;
|
| 289 |
break;
|
| 290 |
case KBD_CMD_SET_RATE:
|
| 291 |
ps2_queue(&s->common, KBD_REPLY_ACK); |
| 292 |
s->common.write_cmd = -1;
|
| 293 |
break;
|
| 294 |
} |
| 295 |
} |
| 296 |
|
| 297 |
/* Set the scancode translation mode.
|
| 298 |
0 = raw scancodes.
|
| 299 |
1 = translated scancodes (used by qemu internally). */
|
| 300 |
|
| 301 |
void ps2_keyboard_set_translation(void *opaque, int mode) |
| 302 |
{
|
| 303 |
PS2KbdState *s = (PS2KbdState *)opaque; |
| 304 |
s->translate = mode; |
| 305 |
} |
| 306 |
|
| 307 |
static void ps2_mouse_send_packet(PS2MouseState *s) |
| 308 |
{
|
| 309 |
unsigned int b; |
| 310 |
int dx1, dy1, dz1;
|
| 311 |
|
| 312 |
dx1 = s->mouse_dx; |
| 313 |
dy1 = s->mouse_dy; |
| 314 |
dz1 = s->mouse_dz; |
| 315 |
/* XXX: increase range to 8 bits ? */
|
| 316 |
if (dx1 > 127) |
| 317 |
dx1 = 127;
|
| 318 |
else if (dx1 < -127) |
| 319 |
dx1 = -127;
|
| 320 |
if (dy1 > 127) |
| 321 |
dy1 = 127;
|
| 322 |
else if (dy1 < -127) |
| 323 |
dy1 = -127;
|
| 324 |
b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07); |
| 325 |
ps2_queue(&s->common, b); |
| 326 |
ps2_queue(&s->common, dx1 & 0xff);
|
| 327 |
ps2_queue(&s->common, dy1 & 0xff);
|
| 328 |
/* extra byte for IMPS/2 or IMEX */
|
| 329 |
switch(s->mouse_type) {
|
| 330 |
default:
|
| 331 |
break;
|
| 332 |
case 3: |
| 333 |
if (dz1 > 127) |
| 334 |
dz1 = 127;
|
| 335 |
else if (dz1 < -127) |
| 336 |
dz1 = -127;
|
| 337 |
ps2_queue(&s->common, dz1 & 0xff);
|
| 338 |
break;
|
| 339 |
case 4: |
| 340 |
if (dz1 > 7) |
| 341 |
dz1 = 7;
|
| 342 |
else if (dz1 < -7) |
| 343 |
dz1 = -7;
|
| 344 |
b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1); |
| 345 |
ps2_queue(&s->common, b); |
| 346 |
break;
|
| 347 |
} |
| 348 |
|
| 349 |
/* update deltas */
|
| 350 |
s->mouse_dx -= dx1; |
| 351 |
s->mouse_dy -= dy1; |
| 352 |
s->mouse_dz -= dz1; |
| 353 |
} |
| 354 |
|
| 355 |
static void ps2_mouse_event(void *opaque, |
| 356 |
int dx, int dy, int dz, int buttons_state) |
| 357 |
{
|
| 358 |
PS2MouseState *s = opaque; |
| 359 |
|
| 360 |
/* check if deltas are recorded when disabled */
|
| 361 |
if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
|
| 362 |
return;
|
| 363 |
|
| 364 |
s->mouse_dx += dx; |
| 365 |
s->mouse_dy -= dy; |
| 366 |
s->mouse_dz += dz; |
| 367 |
/* XXX: SDL sometimes generates nul events: we delete them */
|
| 368 |
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 && |
| 369 |
s->mouse_buttons == buttons_state) |
| 370 |
return;
|
| 371 |
s->mouse_buttons = buttons_state; |
| 372 |
|
| 373 |
if (buttons_state) {
|
| 374 |
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER); |
| 375 |
} |
| 376 |
|
| 377 |
if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
|
| 378 |
(s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
|
| 379 |
for(;;) {
|
| 380 |
/* if not remote, send event. Multiple events are sent if
|
| 381 |
too big deltas */
|
| 382 |
ps2_mouse_send_packet(s); |
| 383 |
if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0) |
| 384 |
break;
|
| 385 |
} |
| 386 |
} |
| 387 |
} |
| 388 |
|
| 389 |
void ps2_mouse_fake_event(void *opaque) |
| 390 |
{
|
| 391 |
ps2_mouse_event(opaque, 1, 0, 0, 0); |
| 392 |
} |
| 393 |
|
| 394 |
void ps2_write_mouse(void *opaque, int val) |
| 395 |
{
|
| 396 |
PS2MouseState *s = (PS2MouseState *)opaque; |
| 397 |
#ifdef DEBUG_MOUSE
|
| 398 |
printf("kbd: write mouse 0x%02x\n", val);
|
| 399 |
#endif
|
| 400 |
switch(s->common.write_cmd) {
|
| 401 |
default:
|
| 402 |
case -1: |
| 403 |
/* mouse command */
|
| 404 |
if (s->mouse_wrap) {
|
| 405 |
if (val == AUX_RESET_WRAP) {
|
| 406 |
s->mouse_wrap = 0;
|
| 407 |
ps2_queue(&s->common, AUX_ACK); |
| 408 |
return;
|
| 409 |
} else if (val != AUX_RESET) { |
| 410 |
ps2_queue(&s->common, val); |
| 411 |
return;
|
| 412 |
} |
| 413 |
} |
| 414 |
switch(val) {
|
| 415 |
case AUX_SET_SCALE11:
|
| 416 |
s->mouse_status &= ~MOUSE_STATUS_SCALE21; |
| 417 |
ps2_queue(&s->common, AUX_ACK); |
| 418 |
break;
|
| 419 |
case AUX_SET_SCALE21:
|
| 420 |
s->mouse_status |= MOUSE_STATUS_SCALE21; |
| 421 |
ps2_queue(&s->common, AUX_ACK); |
| 422 |
break;
|
| 423 |
case AUX_SET_STREAM:
|
| 424 |
s->mouse_status &= ~MOUSE_STATUS_REMOTE; |
| 425 |
ps2_queue(&s->common, AUX_ACK); |
| 426 |
break;
|
| 427 |
case AUX_SET_WRAP:
|
| 428 |
s->mouse_wrap = 1;
|
| 429 |
ps2_queue(&s->common, AUX_ACK); |
| 430 |
break;
|
| 431 |
case AUX_SET_REMOTE:
|
| 432 |
s->mouse_status |= MOUSE_STATUS_REMOTE; |
| 433 |
ps2_queue(&s->common, AUX_ACK); |
| 434 |
break;
|
| 435 |
case AUX_GET_TYPE:
|
| 436 |
ps2_queue(&s->common, AUX_ACK); |
| 437 |
ps2_queue(&s->common, s->mouse_type); |
| 438 |
break;
|
| 439 |
case AUX_SET_RES:
|
| 440 |
case AUX_SET_SAMPLE:
|
| 441 |
s->common.write_cmd = val; |
| 442 |
ps2_queue(&s->common, AUX_ACK); |
| 443 |
break;
|
| 444 |
case AUX_GET_SCALE:
|
| 445 |
ps2_queue(&s->common, AUX_ACK); |
| 446 |
ps2_queue(&s->common, s->mouse_status); |
| 447 |
ps2_queue(&s->common, s->mouse_resolution); |
| 448 |
ps2_queue(&s->common, s->mouse_sample_rate); |
| 449 |
break;
|
| 450 |
case AUX_POLL:
|
| 451 |
ps2_queue(&s->common, AUX_ACK); |
| 452 |
ps2_mouse_send_packet(s); |
| 453 |
break;
|
| 454 |
case AUX_ENABLE_DEV:
|
| 455 |
s->mouse_status |= MOUSE_STATUS_ENABLED; |
| 456 |
ps2_queue(&s->common, AUX_ACK); |
| 457 |
break;
|
| 458 |
case AUX_DISABLE_DEV:
|
| 459 |
s->mouse_status &= ~MOUSE_STATUS_ENABLED; |
| 460 |
ps2_queue(&s->common, AUX_ACK); |
| 461 |
break;
|
| 462 |
case AUX_SET_DEFAULT:
|
| 463 |
s->mouse_sample_rate = 100;
|
| 464 |
s->mouse_resolution = 2;
|
| 465 |
s->mouse_status = 0;
|
| 466 |
ps2_queue(&s->common, AUX_ACK); |
| 467 |
break;
|
| 468 |
case AUX_RESET:
|
| 469 |
s->mouse_sample_rate = 100;
|
| 470 |
s->mouse_resolution = 2;
|
| 471 |
s->mouse_status = 0;
|
| 472 |
s->mouse_type = 0;
|
| 473 |
ps2_queue(&s->common, AUX_ACK); |
| 474 |
ps2_queue(&s->common, 0xaa);
|
| 475 |
ps2_queue(&s->common, s->mouse_type); |
| 476 |
break;
|
| 477 |
default:
|
| 478 |
break;
|
| 479 |
} |
| 480 |
break;
|
| 481 |
case AUX_SET_SAMPLE:
|
| 482 |
s->mouse_sample_rate = val; |
| 483 |
/* detect IMPS/2 or IMEX */
|
| 484 |
switch(s->mouse_detect_state) {
|
| 485 |
default:
|
| 486 |
case 0: |
| 487 |
if (val == 200) |
| 488 |
s->mouse_detect_state = 1;
|
| 489 |
break;
|
| 490 |
case 1: |
| 491 |
if (val == 100) |
| 492 |
s->mouse_detect_state = 2;
|
| 493 |
else if (val == 200) |
| 494 |
s->mouse_detect_state = 3;
|
| 495 |
else
|
| 496 |
s->mouse_detect_state = 0;
|
| 497 |
break;
|
| 498 |
case 2: |
| 499 |
if (val == 80) |
| 500 |
s->mouse_type = 3; /* IMPS/2 */ |
| 501 |
s->mouse_detect_state = 0;
|
| 502 |
break;
|
| 503 |
case 3: |
| 504 |
if (val == 80) |
| 505 |
s->mouse_type = 4; /* IMEX */ |
| 506 |
s->mouse_detect_state = 0;
|
| 507 |
break;
|
| 508 |
} |
| 509 |
ps2_queue(&s->common, AUX_ACK); |
| 510 |
s->common.write_cmd = -1;
|
| 511 |
break;
|
| 512 |
case AUX_SET_RES:
|
| 513 |
s->mouse_resolution = val; |
| 514 |
ps2_queue(&s->common, AUX_ACK); |
| 515 |
s->common.write_cmd = -1;
|
| 516 |
break;
|
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
static void ps2_common_reset(PS2State *s) |
| 521 |
{
|
| 522 |
PS2Queue *q; |
| 523 |
s->write_cmd = -1;
|
| 524 |
q = &s->queue; |
| 525 |
q->rptr = 0;
|
| 526 |
q->wptr = 0;
|
| 527 |
q->count = 0;
|
| 528 |
s->update_irq(s->update_arg, 0);
|
| 529 |
} |
| 530 |
|
| 531 |
static void ps2_kbd_reset(void *opaque) |
| 532 |
{
|
| 533 |
PS2KbdState *s = (PS2KbdState *) opaque; |
| 534 |
|
| 535 |
ps2_common_reset(&s->common); |
| 536 |
s->scan_enabled = 0;
|
| 537 |
s->translate = 0;
|
| 538 |
s->scancode_set = 0;
|
| 539 |
} |
| 540 |
|
| 541 |
static void ps2_mouse_reset(void *opaque) |
| 542 |
{
|
| 543 |
PS2MouseState *s = (PS2MouseState *) opaque; |
| 544 |
|
| 545 |
ps2_common_reset(&s->common); |
| 546 |
s->mouse_status = 0;
|
| 547 |
s->mouse_resolution = 0;
|
| 548 |
s->mouse_sample_rate = 0;
|
| 549 |
s->mouse_wrap = 0;
|
| 550 |
s->mouse_type = 0;
|
| 551 |
s->mouse_detect_state = 0;
|
| 552 |
s->mouse_dx = 0;
|
| 553 |
s->mouse_dy = 0;
|
| 554 |
s->mouse_dz = 0;
|
| 555 |
s->mouse_buttons = 0;
|
| 556 |
} |
| 557 |
|
| 558 |
static const VMStateDescription vmstate_ps2_common = { |
| 559 |
.name = "PS2 Common State",
|
| 560 |
.version_id = 3,
|
| 561 |
.minimum_version_id = 2,
|
| 562 |
.minimum_version_id_old = 2,
|
| 563 |
.fields = (VMStateField []) {
|
| 564 |
VMSTATE_INT32(write_cmd, PS2State), |
| 565 |
VMSTATE_INT32(queue.rptr, PS2State), |
| 566 |
VMSTATE_INT32(queue.wptr, PS2State), |
| 567 |
VMSTATE_INT32(queue.count, PS2State), |
| 568 |
VMSTATE_BUFFER(queue.data, PS2State), |
| 569 |
VMSTATE_END_OF_LIST() |
| 570 |
} |
| 571 |
}; |
| 572 |
|
| 573 |
static bool ps2_keyboard_ledstate_needed(void *opaque) |
| 574 |
{
|
| 575 |
PS2KbdState *s = opaque; |
| 576 |
|
| 577 |
return s->ledstate != 0; /* 0 is default state */ |
| 578 |
} |
| 579 |
|
| 580 |
static int ps2_kbd_ledstate_post_load(void *opaque, int version_id) |
| 581 |
{
|
| 582 |
PS2KbdState *s = opaque; |
| 583 |
|
| 584 |
kbd_put_ledstate(s->ledstate); |
| 585 |
return 0; |
| 586 |
} |
| 587 |
|
| 588 |
static const VMStateDescription vmstate_ps2_keyboard_ledstate = { |
| 589 |
.name = "ps2kbd/ledstate",
|
| 590 |
.version_id = 3,
|
| 591 |
.minimum_version_id = 2,
|
| 592 |
.minimum_version_id_old = 2,
|
| 593 |
.post_load = ps2_kbd_ledstate_post_load, |
| 594 |
.fields = (VMStateField []) {
|
| 595 |
VMSTATE_INT32(ledstate, PS2KbdState), |
| 596 |
VMSTATE_END_OF_LIST() |
| 597 |
} |
| 598 |
}; |
| 599 |
|
| 600 |
static int ps2_kbd_post_load(void* opaque, int version_id) |
| 601 |
{
|
| 602 |
PS2KbdState *s = (PS2KbdState*)opaque; |
| 603 |
|
| 604 |
if (version_id == 2) |
| 605 |
s->scancode_set=2;
|
| 606 |
return 0; |
| 607 |
} |
| 608 |
|
| 609 |
static const VMStateDescription vmstate_ps2_keyboard = { |
| 610 |
.name = "ps2kbd",
|
| 611 |
.version_id = 3,
|
| 612 |
.minimum_version_id = 2,
|
| 613 |
.minimum_version_id_old = 2,
|
| 614 |
.post_load = ps2_kbd_post_load, |
| 615 |
.fields = (VMStateField []) {
|
| 616 |
VMSTATE_STRUCT(common, PS2KbdState, 0, vmstate_ps2_common, PS2State),
|
| 617 |
VMSTATE_INT32(scan_enabled, PS2KbdState), |
| 618 |
VMSTATE_INT32(translate, PS2KbdState), |
| 619 |
VMSTATE_INT32_V(scancode_set, PS2KbdState,3),
|
| 620 |
VMSTATE_END_OF_LIST() |
| 621 |
}, |
| 622 |
.subsections = (VMStateSubsection []) {
|
| 623 |
{
|
| 624 |
.vmsd = &vmstate_ps2_keyboard_ledstate, |
| 625 |
.needed = ps2_keyboard_ledstate_needed, |
| 626 |
}, {
|
| 627 |
/* empty */
|
| 628 |
} |
| 629 |
} |
| 630 |
}; |
| 631 |
|
| 632 |
static const VMStateDescription vmstate_ps2_mouse = { |
| 633 |
.name = "ps2mouse",
|
| 634 |
.version_id = 2,
|
| 635 |
.minimum_version_id = 2,
|
| 636 |
.minimum_version_id_old = 2,
|
| 637 |
.fields = (VMStateField []) {
|
| 638 |
VMSTATE_STRUCT(common, PS2MouseState, 0, vmstate_ps2_common, PS2State),
|
| 639 |
VMSTATE_UINT8(mouse_status, PS2MouseState), |
| 640 |
VMSTATE_UINT8(mouse_resolution, PS2MouseState), |
| 641 |
VMSTATE_UINT8(mouse_sample_rate, PS2MouseState), |
| 642 |
VMSTATE_UINT8(mouse_wrap, PS2MouseState), |
| 643 |
VMSTATE_UINT8(mouse_type, PS2MouseState), |
| 644 |
VMSTATE_UINT8(mouse_detect_state, PS2MouseState), |
| 645 |
VMSTATE_INT32(mouse_dx, PS2MouseState), |
| 646 |
VMSTATE_INT32(mouse_dy, PS2MouseState), |
| 647 |
VMSTATE_INT32(mouse_dz, PS2MouseState), |
| 648 |
VMSTATE_UINT8(mouse_buttons, PS2MouseState), |
| 649 |
VMSTATE_END_OF_LIST() |
| 650 |
} |
| 651 |
}; |
| 652 |
|
| 653 |
void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg) |
| 654 |
{
|
| 655 |
PS2KbdState *s = (PS2KbdState *)g_malloc0(sizeof(PS2KbdState));
|
| 656 |
|
| 657 |
s->common.update_irq = update_irq; |
| 658 |
s->common.update_arg = update_arg; |
| 659 |
s->scancode_set = 2;
|
| 660 |
vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s); |
| 661 |
qemu_add_kbd_event_handler(ps2_put_keycode, s); |
| 662 |
qemu_register_reset(ps2_kbd_reset, s); |
| 663 |
return s;
|
| 664 |
} |
| 665 |
|
| 666 |
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg) |
| 667 |
{
|
| 668 |
PS2MouseState *s = (PS2MouseState *)g_malloc0(sizeof(PS2MouseState));
|
| 669 |
|
| 670 |
s->common.update_irq = update_irq; |
| 671 |
s->common.update_arg = update_arg; |
| 672 |
vmstate_register(NULL, 0, &vmstate_ps2_mouse, s); |
| 673 |
qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse"); |
| 674 |
qemu_register_reset(ps2_mouse_reset, s); |
| 675 |
return s;
|
| 676 |
} |