sonypi.c 41.2 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567
/*
 * Sony Programmable I/O Control Device driver for VAIO
 *
 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
 *
 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
 *
 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
 *
 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
 *
 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
 *
 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
 *
 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
 *
 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
 *
 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <linux/module.h>
#include <linux/input.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/miscdevice.h>
#include <linux/poll.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/err.h>
#include <linux/kfifo.h>
#include <linux/platform_device.h>
#include <linux/smp_lock.h>

#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/system.h>

#include <linux/sonypi.h>

#define SONYPI_DRIVER_VERSION	 "1.26"

MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(SONYPI_DRIVER_VERSION);

static int minor = -1;
module_param(minor, int, 0);
MODULE_PARM_DESC(minor,
		 "minor number of the misc device, default is -1 (automatic)");

static int verbose;		/* = 0 */
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");

static int fnkeyinit;		/* = 0 */
module_param(fnkeyinit, int, 0444);
MODULE_PARM_DESC(fnkeyinit,
		 "set this if your Fn keys do not generate any event");

static int camera;		/* = 0 */
module_param(camera, int, 0444);
MODULE_PARM_DESC(camera,
		 "set this if you have a MotionEye camera (PictureBook series)");

static int compat;		/* = 0 */
module_param(compat, int, 0444);
MODULE_PARM_DESC(compat,
		 "set this if you want to enable backward compatibility mode");

static unsigned long mask = 0xffffffff;
module_param(mask, ulong, 0644);
MODULE_PARM_DESC(mask,
		 "set this to the mask of event you want to enable (see doc)");

static int useinput = 1;
module_param(useinput, int, 0444);
MODULE_PARM_DESC(useinput,
		 "set this if you would like sonypi to feed events to the input subsystem");

static int check_ioport = 1;
module_param(check_ioport, int, 0444);
MODULE_PARM_DESC(check_ioport,
		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");

#define SONYPI_DEVICE_MODEL_TYPE1	1
#define SONYPI_DEVICE_MODEL_TYPE2	2
#define SONYPI_DEVICE_MODEL_TYPE3	3

/* type1 models use those */
#define SONYPI_IRQ_PORT			0x8034
#define SONYPI_IRQ_SHIFT		22
#define SONYPI_TYPE1_BASE		0x50
#define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
#define SONYPI_TYPE1_REGION_SIZE	0x08
#define SONYPI_TYPE1_EVTYPE_OFFSET	0x04

/* type2 series specifics */
#define SONYPI_SIRQ			0x9b
#define SONYPI_SLOB			0x9c
#define SONYPI_SHIB			0x9d
#define SONYPI_TYPE2_REGION_SIZE	0x20
#define SONYPI_TYPE2_EVTYPE_OFFSET	0x12

/* type3 series specifics */
#define SONYPI_TYPE3_BASE		0x40
#define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
#define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
#define SONYPI_TYPE3_REGION_SIZE	0x20
#define SONYPI_TYPE3_EVTYPE_OFFSET	0x12

/* battery / brightness addresses */
#define SONYPI_BAT_FLAGS	0x81
#define SONYPI_LCD_LIGHT	0x96
#define SONYPI_BAT1_PCTRM	0xa0
#define SONYPI_BAT1_LEFT	0xa2
#define SONYPI_BAT1_MAXRT	0xa4
#define SONYPI_BAT2_PCTRM	0xa8
#define SONYPI_BAT2_LEFT	0xaa
#define SONYPI_BAT2_MAXRT	0xac
#define SONYPI_BAT1_MAXTK	0xb0
#define SONYPI_BAT1_FULL	0xb2
#define SONYPI_BAT2_MAXTK	0xb8
#define SONYPI_BAT2_FULL	0xba

/* FAN0 information (reverse engineered from ACPI tables) */
#define SONYPI_FAN0_STATUS	0x93
#define SONYPI_TEMP_STATUS	0xC1

/* ioports used for brightness and type2 events */
#define SONYPI_DATA_IOPORT	0x62
#define SONYPI_CST_IOPORT	0x66

/* The set of possible ioports */
struct sonypi_ioport_list {
	u16	port1;
	u16	port2;
};

static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
	{ 0x1080, 0x1084 },
	{ 0x1090, 0x1094 },
	{ 0x10a0, 0x10a4 },
	{ 0x10b0, 0x10b4 },
	{ 0x0, 0x0 }
};

static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
	{ 0x1080, 0x1084 },
	{ 0x10a0, 0x10a4 },
	{ 0x10c0, 0x10c4 },
	{ 0x10e0, 0x10e4 },
	{ 0x0, 0x0 }
};

/* same as in type 2 models */
static struct sonypi_ioport_list *sonypi_type3_ioport_list =
	sonypi_type2_ioport_list;

/* The set of possible interrupts */
struct sonypi_irq_list {
	u16	irq;
	u16	bits;
};

static struct sonypi_irq_list sonypi_type1_irq_list[] = {
	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
};

static struct sonypi_irq_list sonypi_type2_irq_list[] = {
	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
};

/* same as in type2 models */
static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;

#define SONYPI_CAMERA_BRIGHTNESS		0
#define SONYPI_CAMERA_CONTRAST			1
#define SONYPI_CAMERA_HUE			2
#define SONYPI_CAMERA_COLOR			3
#define SONYPI_CAMERA_SHARPNESS			4

#define SONYPI_CAMERA_PICTURE			5
#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
#define SONYPI_CAMERA_MUTE_MASK			0x40

/* the rest don't need a loop until not 0xff */
#define SONYPI_CAMERA_AGC			6
#define SONYPI_CAMERA_AGC_MASK			0x30
#define SONYPI_CAMERA_SHUTTER_MASK 		0x7

#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
#define SONYPI_CAMERA_CONTROL			0x10

#define SONYPI_CAMERA_STATUS 			7
#define SONYPI_CAMERA_STATUS_READY 		0x2
#define SONYPI_CAMERA_STATUS_POSITION		0x4

#define SONYPI_DIRECTION_BACKWARDS 		0x4

#define SONYPI_CAMERA_REVISION 			8
#define SONYPI_CAMERA_ROMVERSION 		9

/* Event masks */
#define SONYPI_JOGGER_MASK			0x00000001
#define SONYPI_CAPTURE_MASK			0x00000002
#define SONYPI_FNKEY_MASK			0x00000004
#define SONYPI_BLUETOOTH_MASK			0x00000008
#define SONYPI_PKEY_MASK			0x00000010
#define SONYPI_BACK_MASK			0x00000020
#define SONYPI_HELP_MASK			0x00000040
#define SONYPI_LID_MASK				0x00000080
#define SONYPI_ZOOM_MASK			0x00000100
#define SONYPI_THUMBPHRASE_MASK			0x00000200
#define SONYPI_MEYE_MASK			0x00000400
#define SONYPI_MEMORYSTICK_MASK			0x00000800
#define SONYPI_BATTERY_MASK			0x00001000
#define SONYPI_WIRELESS_MASK			0x00002000

struct sonypi_event {
	u8	data;
	u8	event;
};

/* The set of possible button release events */
static struct sonypi_event sonypi_releaseev[] = {
	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0, 0 }
};

/* The set of possible jogger events  */
static struct sonypi_event sonypi_joggerev[] = {
	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
	{ 0, 0 }
};

/* The set of possible capture button events */
static struct sonypi_event sonypi_captureev[] = {
	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
	{ 0, 0 }
};

/* The set of possible fnkeys events */
static struct sonypi_event sonypi_fnkeyev[] = {
	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x21, SONYPI_EVENT_FNKEY_1 },
	{ 0x22, SONYPI_EVENT_FNKEY_2 },
	{ 0x31, SONYPI_EVENT_FNKEY_D },
	{ 0x32, SONYPI_EVENT_FNKEY_E },
	{ 0x33, SONYPI_EVENT_FNKEY_F },
	{ 0x34, SONYPI_EVENT_FNKEY_S },
	{ 0x35, SONYPI_EVENT_FNKEY_B },
	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
	{ 0, 0 }
};

/* The set of possible program key events */
static struct sonypi_event sonypi_pkeyev[] = {
	{ 0x01, SONYPI_EVENT_PKEY_P1 },
	{ 0x02, SONYPI_EVENT_PKEY_P2 },
	{ 0x04, SONYPI_EVENT_PKEY_P3 },
	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
	{ 0, 0 }
};

/* The set of possible bluetooth events */
static struct sonypi_event sonypi_blueev[] = {
	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
	{ 0, 0 }
};

/* The set of possible wireless events */
static struct sonypi_event sonypi_wlessev[] = {
	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
	{ 0, 0 }
};

/* The set of possible back button events */
static struct sonypi_event sonypi_backev[] = {
	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
	{ 0, 0 }
};

/* The set of possible help button events */
static struct sonypi_event sonypi_helpev[] = {
	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
	{ 0, 0 }
};


/* The set of possible lid events */
static struct sonypi_event sonypi_lidev[] = {
	{ 0x51, SONYPI_EVENT_LID_CLOSED },
	{ 0x50, SONYPI_EVENT_LID_OPENED },
	{ 0, 0 }
};

/* The set of possible zoom events */
static struct sonypi_event sonypi_zoomev[] = {
	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0, 0 }
};

/* The set of possible thumbphrase events */
static struct sonypi_event sonypi_thumbphraseev[] = {
	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
	{ 0, 0 }
};

/* The set of possible motioneye camera events */
static struct sonypi_event sonypi_meyeev[] = {
	{ 0x00, SONYPI_EVENT_MEYE_FACE },
	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
	{ 0, 0 }
};

/* The set of possible memorystick events */
static struct sonypi_event sonypi_memorystickev[] = {
	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
	{ 0, 0 }
};

/* The set of possible battery events */
static struct sonypi_event sonypi_batteryev[] = {
	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
	{ 0, 0 }
};

static struct sonypi_eventtypes {
	int			model;
	u8			data;
	unsigned long		mask;
	struct sonypi_event *	events;
} sonypi_eventtypes[] = {
	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },

	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },

	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0 }
};

#define SONYPI_BUF_SIZE	128

/* Correspondance table between sonypi events and input layer events */
static struct {
	int sonypiev;
	int inputev;
} sonypi_inputkeys[] = {
	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
	{ 0, 0 },
};

struct sonypi_keypress {
	struct input_dev *dev;
	int key;
};

static struct sonypi_device {
	struct pci_dev *dev;
	u16 irq;
	u16 bits;
	u16 ioport1;
	u16 ioport2;
	u16 region_size;
	u16 evtype_offset;
	int camera_power;
	int bluetooth_power;
	struct mutex lock;
	struct kfifo *fifo;
	spinlock_t fifo_lock;
	wait_queue_head_t fifo_proc_list;
	struct fasync_struct *fifo_async;
	int open_count;
	int model;
	struct input_dev *input_jog_dev;
	struct input_dev *input_key_dev;
	struct work_struct input_work;
	struct kfifo *input_fifo;
	spinlock_t input_fifo_lock;
} sonypi_device;

#define ITERATIONS_LONG		10000
#define ITERATIONS_SHORT	10

#define wait_on_command(quiet, command, iterations) { \
	unsigned int n = iterations; \
	while (--n && (command)) \
		udelay(1); \
	if (!n && (verbose || !quiet)) \
		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
}

#ifdef CONFIG_ACPI
#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
#else
#define SONYPI_ACPI_ACTIVE 0
#endif				/* CONFIG_ACPI */

#ifdef CONFIG_ACPI
static struct acpi_device *sonypi_acpi_device;
static int acpi_driver_registered;
#endif

static int sonypi_ec_write(u8 addr, u8 value)
{
#ifdef CONFIG_ACPI
	if (SONYPI_ACPI_ACTIVE)
		return ec_write(addr, value);
#endif
	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
	outb_p(0x81, SONYPI_CST_IOPORT);
	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
	outb_p(addr, SONYPI_DATA_IOPORT);
	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
	outb_p(value, SONYPI_DATA_IOPORT);
	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
	return 0;
}

static int sonypi_ec_read(u8 addr, u8 *value)
{
#ifdef CONFIG_ACPI
	if (SONYPI_ACPI_ACTIVE)
		return ec_read(addr, value);
#endif
	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
	outb_p(0x80, SONYPI_CST_IOPORT);
	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
	outb_p(addr, SONYPI_DATA_IOPORT);
	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
	*value = inb_p(SONYPI_DATA_IOPORT);
	return 0;
}

static int ec_read16(u8 addr, u16 *value)
{
	u8 val_lb, val_hb;
	if (sonypi_ec_read(addr, &val_lb))
		return -1;
	if (sonypi_ec_read(addr + 1, &val_hb))
		return -1;
	*value = val_lb | (val_hb << 8);
	return 0;
}

/* Initializes the device - this comes from the AML code in the ACPI bios */
static void sonypi_type1_srs(void)
{
	u32 v;

	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);

	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
	v = (v & 0xFFF0FFFF) |
	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);

	v = inl(SONYPI_IRQ_PORT);
	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
	outl(v, SONYPI_IRQ_PORT);

	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
	v = (v & 0xFF1FFFFF) | 0x00C00000;
	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
}

static void sonypi_type2_srs(void)
{
	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
		printk(KERN_WARNING "ec_write failed\n");
	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
		printk(KERN_WARNING "ec_write failed\n");
	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
		printk(KERN_WARNING "ec_write failed\n");
	udelay(10);
}

static void sonypi_type3_srs(void)
{
	u16 v16;
	u8  v8;

	/* This model type uses the same initialiazation of
	 * the embedded controller as the type2 models. */
	sonypi_type2_srs();

	/* Initialization of PCI config space of the LPC interface bridge. */
	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
	v8 = (v8 & 0xCF) | 0x10;
	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
}

/* Disables the device - this comes from the AML code in the ACPI bios */
static void sonypi_type1_dis(void)
{
	u32 v;

	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
	v = v & 0xFF3FFFFF;
	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);

	v = inl(SONYPI_IRQ_PORT);
	v |= (0x3 << SONYPI_IRQ_SHIFT);
	outl(v, SONYPI_IRQ_PORT);
}

static void sonypi_type2_dis(void)
{
	if (sonypi_ec_write(SONYPI_SHIB, 0))
		printk(KERN_WARNING "ec_write failed\n");
	if (sonypi_ec_write(SONYPI_SLOB, 0))
		printk(KERN_WARNING "ec_write failed\n");
	if (sonypi_ec_write(SONYPI_SIRQ, 0))
		printk(KERN_WARNING "ec_write failed\n");
}

static void sonypi_type3_dis(void)
{
	sonypi_type2_dis();
	udelay(10);
	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
}

static u8 sonypi_call1(u8 dev)
{
	u8 v1, v2;

	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
	outb(dev, sonypi_device.ioport2);
	v1 = inb_p(sonypi_device.ioport2);
	v2 = inb_p(sonypi_device.ioport1);
	return v2;
}

static u8 sonypi_call2(u8 dev, u8 fn)
{
	u8 v1;

	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
	outb(dev, sonypi_device.ioport2);
	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
	outb(fn, sonypi_device.ioport1);
	v1 = inb_p(sonypi_device.ioport1);
	return v1;
}

static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
	outb(dev, sonypi_device.ioport2);
	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
	outb(fn, sonypi_device.ioport1);
	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
	outb(v, sonypi_device.ioport1);
	v1 = inb_p(sonypi_device.ioport1);
	return v1;
}

#if 0
/* Get brightness, hue etc. Unreliable... */
static u8 sonypi_read(u8 fn)
{
	u8 v1, v2;
	int n = 100;

	while (n--) {
		v1 = sonypi_call2(0x8f, fn);
		v2 = sonypi_call2(0x8f, fn);
		if (v1 == v2 && v1 != 0xff)
			return v1;
	}
	return 0xff;
}
#endif

/* Set brightness, hue etc */
static void sonypi_set(u8 fn, u8 v)
{
	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
}

/* Tests if the camera is ready */
static int sonypi_camera_ready(void)
{
	u8 v;

	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
}

/* Turns the camera off */
static void sonypi_camera_off(void)
{
	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);

	if (!sonypi_device.camera_power)
		return;

	sonypi_call2(0x91, 0);
	sonypi_device.camera_power = 0;
}

/* Turns the camera on */
static void sonypi_camera_on(void)
{
	int i, j;

	if (sonypi_device.camera_power)
		return;

	for (j = 5; j > 0; j--) {

		while (sonypi_call2(0x91, 0x1))
			msleep(10);
		sonypi_call1(0x93);

		for (i = 400; i > 0; i--) {
			if (sonypi_camera_ready())
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
		printk(KERN_WARNING "sonypi: failed to power on camera\n");
		return;
	}

	sonypi_set(0x10, 0x5a);
	sonypi_device.camera_power = 1;
}

/* sets the bluetooth subsystem power state */
static void sonypi_setbluetoothpower(u8 state)
{
	state = !!state;

	if (sonypi_device.bluetooth_power == state)
		return;

	sonypi_call2(0x96, state);
	sonypi_call1(0x82);
	sonypi_device.bluetooth_power = state;
}

static void input_keyrelease(struct work_struct *work)
{
	struct sonypi_keypress kp;

	while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
			 sizeof(kp)) == sizeof(kp)) {
		msleep(10);
		input_report_key(kp.dev, kp.key, 0);
		input_sync(kp.dev);
	}
}

static void sonypi_report_input_event(u8 event)
{
	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
	struct input_dev *key_dev = sonypi_device.input_key_dev;
	struct sonypi_keypress kp = { NULL };
	int i;

	switch (event) {
	case SONYPI_EVENT_JOGDIAL_UP:
	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
		input_report_rel(jog_dev, REL_WHEEL, 1);
		input_sync(jog_dev);
		break;

	case SONYPI_EVENT_JOGDIAL_DOWN:
	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
		input_report_rel(jog_dev, REL_WHEEL, -1);
		input_sync(jog_dev);
		break;

	case SONYPI_EVENT_JOGDIAL_PRESSED:
		kp.key = BTN_MIDDLE;
		kp.dev = jog_dev;
		break;

	case SONYPI_EVENT_FNKEY_RELEASED:
		/* Nothing, not all VAIOs generate this event */
		break;

	default:
		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
			if (event == sonypi_inputkeys[i].sonypiev) {
				kp.dev = key_dev;
				kp.key = sonypi_inputkeys[i].inputev;
				break;
			}
		break;
	}

	if (kp.dev) {
		input_report_key(kp.dev, kp.key, 1);
		input_sync(kp.dev);
		kfifo_put(sonypi_device.input_fifo,
			  (unsigned char *)&kp, sizeof(kp));
		schedule_work(&sonypi_device.input_work);
	}
}

/* Interrupt handler: some event is available */
static irqreturn_t sonypi_irq(int irq, void *dev_id)
{
	u8 v1, v2, event = 0;
	int i, j;

	v1 = inb_p(sonypi_device.ioport1);
	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);

	for (i = 0; sonypi_eventtypes[i].model; i++) {
		if (sonypi_device.model != sonypi_eventtypes[i].model)
			continue;
		if ((v2 & sonypi_eventtypes[i].data) !=
		    sonypi_eventtypes[i].data)
			continue;
		if (!(mask & sonypi_eventtypes[i].mask))
			continue;
		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
			if (v1 == sonypi_eventtypes[i].events[j].data) {
				event = sonypi_eventtypes[i].events[j].event;
				goto found;
			}
		}
	}

	if (verbose)
		printk(KERN_WARNING
		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
		       v1, v2);
	/* We need to return IRQ_HANDLED here because there *are*
	 * events belonging to the sonypi device we don't know about,
	 * but we still don't want those to pollute the logs... */
	return IRQ_HANDLED;

found:
	if (verbose > 1)
		printk(KERN_INFO
		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);

	if (useinput)
		sonypi_report_input_event(event);

#ifdef CONFIG_ACPI
	if (sonypi_acpi_device)
		acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
#endif

	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
	wake_up_interruptible(&sonypi_device.fifo_proc_list);

	return IRQ_HANDLED;
}

static int sonypi_misc_fasync(int fd, struct file *filp, int on)
{
	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
}

static int sonypi_misc_release(struct inode *inode, struct file *file)
{
	mutex_lock(&sonypi_device.lock);
	sonypi_device.open_count--;
	mutex_unlock(&sonypi_device.lock);
	return 0;
}

static int sonypi_misc_open(struct inode *inode, struct file *file)
{
	lock_kernel();
	mutex_lock(&sonypi_device.lock);
	/* Flush input queue on first open */
	if (!sonypi_device.open_count)
		kfifo_reset(sonypi_device.fifo);
	sonypi_device.open_count++;
	mutex_unlock(&sonypi_device.lock);
	unlock_kernel();
	return 0;
}

static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
				size_t count, loff_t *pos)
{
	ssize_t ret;
	unsigned char c;

	if ((kfifo_len(sonypi_device.fifo) == 0) &&
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
				       kfifo_len(sonypi_device.fifo) != 0);
	if (ret)
		return ret;

	while (ret < count &&
	       (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
		if (put_user(c, buf++))
			return -EFAULT;
		ret++;
	}

	if (ret > 0) {
		struct inode *inode = file->f_path.dentry->d_inode;
		inode->i_atime = current_fs_time(inode->i_sb);
	}

	return ret;
}

static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
{
	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
	if (kfifo_len(sonypi_device.fifo))
		return POLLIN | POLLRDNORM;
	return 0;
}

static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
			     unsigned int cmd, unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;

	mutex_lock(&sonypi_device.lock);
	switch (cmd) {
	case SONYPI_IOCGBRT:
		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
			ret = -EIO;
		break;
	case SONYPI_IOCGBAT1CAP:
		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT1REM:
		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT2CAP:
		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT2REM:
		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBATFLAGS:
		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
			ret = -EIO;
			break;
		}
		val8 &= 0x07;
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBLUE:
		val8 = sonypi_device.bluetooth_power;
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSBLUE:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
		sonypi_setbluetoothpower(val8);
		break;
	/* FAN Controls */
	case SONYPI_IOCGFAN:
		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSFAN:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
			ret = -EIO;
		break;
	/* GET Temperature (useful under APM) */
	case SONYPI_IOCGTEMP:
		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	default:
		ret = -EINVAL;
	}
	mutex_unlock(&sonypi_device.lock);
	return ret;
}

static const struct file_operations sonypi_misc_fops = {
	.owner		= THIS_MODULE,
	.read		= sonypi_misc_read,
	.poll		= sonypi_misc_poll,
	.open		= sonypi_misc_open,
	.release	= sonypi_misc_release,
	.fasync		= sonypi_misc_fasync,
	.ioctl		= sonypi_misc_ioctl,
};

static struct miscdevice sonypi_misc_device = {
	.minor		= MISC_DYNAMIC_MINOR,
	.name		= "sonypi",
	.fops		= &sonypi_misc_fops,
};

static void sonypi_enable(unsigned int camera_on)
{
	switch (sonypi_device.model) {
	case SONYPI_DEVICE_MODEL_TYPE1:
		sonypi_type1_srs();
		break;
	case SONYPI_DEVICE_MODEL_TYPE2:
		sonypi_type2_srs();
		break;
	case SONYPI_DEVICE_MODEL_TYPE3:
		sonypi_type3_srs();
		break;
	}

	sonypi_call1(0x82);
	sonypi_call2(0x81, 0xff);
	sonypi_call1(compat ? 0x92 : 0x82);

	/* Enable ACPI mode to get Fn key events */
	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
		outb(0xf0, 0xb2);

	if (camera && camera_on)
		sonypi_camera_on();
}

static int sonypi_disable(void)
{
	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
	if (camera)
		sonypi_camera_off();

	/* disable ACPI mode */
	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
		outb(0xf1, 0xb2);

	switch (sonypi_device.model) {
	case SONYPI_DEVICE_MODEL_TYPE1:
		sonypi_type1_dis();
		break;
	case SONYPI_DEVICE_MODEL_TYPE2:
		sonypi_type2_dis();
		break;
	case SONYPI_DEVICE_MODEL_TYPE3:
		sonypi_type3_dis();
		break;
	}

	return 0;
}

#ifdef CONFIG_ACPI
static int sonypi_acpi_add(struct acpi_device *device)
{
	sonypi_acpi_device = device;
	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
	strcpy(acpi_device_class(device), "sony/hotkey");
	return 0;
}

static int sonypi_acpi_remove(struct acpi_device *device, int type)
{
	sonypi_acpi_device = NULL;
	return 0;
}

static const struct acpi_device_id sonypi_device_ids[] = {
	{"SNY6001", 0},
	{"", 0},
};

static struct acpi_driver sonypi_acpi_driver = {
	.name           = "sonypi",
	.class          = "hkey",
	.ids            = sonypi_device_ids,
	.ops            = {
		           .add = sonypi_acpi_add,
			   .remove = sonypi_acpi_remove,
	},
};
#endif

static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
{
	struct input_dev *jog_dev;
	struct input_dev *key_dev;
	int i;
	int error;

	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
	if (!jog_dev)
		return -ENOMEM;

	jog_dev->name = "Sony Vaio Jogdial";
	jog_dev->id.bustype = BUS_ISA;
	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
	jog_dev->dev.parent = &pdev->dev;

	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);

	sonypi_device.input_key_dev = key_dev = input_allocate_device();
	if (!key_dev) {
		error = -ENOMEM;
		goto err_free_jogdev;
	}

	key_dev->name = "Sony Vaio Keys";
	key_dev->id.bustype = BUS_ISA;
	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
	key_dev->dev.parent = &pdev->dev;

	/* Initialize the Input Drivers: special keys */
	key_dev->evbit[0] = BIT_MASK(EV_KEY);
	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
		if (sonypi_inputkeys[i].inputev)
			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);

	error = input_register_device(jog_dev);
	if (error)
		goto err_free_keydev;

	error = input_register_device(key_dev);
	if (error)
		goto err_unregister_jogdev;

	return 0;

 err_unregister_jogdev:
	input_unregister_device(jog_dev);
	/* Set to NULL so we don't free it again below */
	jog_dev = NULL;
 err_free_keydev:
	input_free_device(key_dev);
	sonypi_device.input_key_dev = NULL;
 err_free_jogdev:
	input_free_device(jog_dev);
	sonypi_device.input_jog_dev = NULL;

	return error;
}

static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
				const struct sonypi_ioport_list *ioport_list)
{
	/* try to detect if sony-laptop is being used and thus
	 * has already requested one of the known ioports.
	 * As in the deprecated check_region this is racy has we have
	 * multiple ioports available and one of them can be requested
	 * between this check and the subsequent request. Anyway, as an
	 * attempt to be some more user-friendly as we currently are,
	 * this is enough.
	 */
	const struct sonypi_ioport_list *check = ioport_list;
	while (check_ioport && check->port1) {
		if (!request_region(check->port1,
				   sonypi_device.region_size,
				   "Sony Programable I/O Device Check")) {
			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
					"if not use check_ioport=0\n",
					check->port1);
			return -EBUSY;
		}
		release_region(check->port1, sonypi_device.region_size);
		check++;
	}

	while (ioport_list->port1) {

		if (request_region(ioport_list->port1,
				   sonypi_device.region_size,
				   "Sony Programable I/O Device")) {
			dev->ioport1 = ioport_list->port1;
			dev->ioport2 = ioport_list->port2;
			return 0;
		}
		ioport_list++;
	}

	return -EBUSY;
}

static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
				      const struct sonypi_irq_list *irq_list)
{
	while (irq_list->irq) {

		if (!request_irq(irq_list->irq, sonypi_irq,
				 IRQF_SHARED, "sonypi", sonypi_irq)) {
			dev->irq = irq_list->irq;
			dev->bits = irq_list->bits;
			return 0;
		}
		irq_list++;
	}

	return -EBUSY;
}

static void __devinit sonypi_display_info(void)
{
	printk(KERN_INFO "sonypi: detected type%d model, "
	       "verbose = %d, fnkeyinit = %s, camera = %s, "
	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
	       sonypi_device.model,
	       verbose,
	       fnkeyinit ? "on" : "off",
	       camera ? "on" : "off",
	       compat ? "on" : "off",
	       mask,
	       useinput ? "on" : "off",
	       SONYPI_ACPI_ACTIVE ? "on" : "off");
	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
	       sonypi_device.irq,
	       sonypi_device.ioport1, sonypi_device.ioport2);

	if (minor == -1)
		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
		       sonypi_misc_device.minor);
}

static int __devinit sonypi_probe(struct platform_device *dev)
{
	const struct sonypi_ioport_list *ioport_list;
	const struct sonypi_irq_list *irq_list;
	struct pci_dev *pcidev;
	int error;

	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
			"and report failures, see also "
			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");

	spin_lock_init(&sonypi_device.fifo_lock);
	sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
					 &sonypi_device.fifo_lock);
	if (IS_ERR(sonypi_device.fifo)) {
		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
		return PTR_ERR(sonypi_device.fifo);
	}

	init_waitqueue_head(&sonypi_device.fifo_proc_list);
	mutex_init(&sonypi_device.lock);
	sonypi_device.bluetooth_power = -1;

	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
	else
		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;

	if (pcidev && pci_enable_device(pcidev)) {
		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
		error = -EIO;
		goto err_put_pcidev;
	}

	sonypi_device.dev = pcidev;

	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
		ioport_list = sonypi_type1_ioport_list;
		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
		irq_list = sonypi_type1_irq_list;
	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
		ioport_list = sonypi_type2_ioport_list;
		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
		irq_list = sonypi_type2_irq_list;
	} else {
		ioport_list = sonypi_type3_ioport_list;
		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
		irq_list = sonypi_type3_irq_list;
	}

	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
	if (error) {
		printk(KERN_ERR "sonypi: failed to request ioports\n");
		goto err_disable_pcidev;
	}

	error = sonypi_setup_irq(&sonypi_device, irq_list);
	if (error) {
		printk(KERN_ERR "sonypi: request_irq failed\n");
		goto err_free_ioports;
	}

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
		printk(KERN_ERR "sonypi: misc_register failed\n");
		goto err_free_irq;
	}

	sonypi_display_info();

	if (useinput) {

		error = sonypi_create_input_devices(dev);
		if (error) {
			printk(KERN_ERR
				"sonypi: failed to create input devices\n");
			goto err_miscdev_unregister;
		}

		spin_lock_init(&sonypi_device.input_fifo_lock);
		sonypi_device.input_fifo =
			kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
				    &sonypi_device.input_fifo_lock);
		if (IS_ERR(sonypi_device.input_fifo)) {
			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
			error = PTR_ERR(sonypi_device.input_fifo);
			goto err_inpdev_unregister;
		}

		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
	}

	sonypi_enable(0);

	return 0;

 err_inpdev_unregister:
	input_unregister_device(sonypi_device.input_key_dev);
	input_unregister_device(sonypi_device.input_jog_dev);
 err_miscdev_unregister:
	misc_deregister(&sonypi_misc_device);
 err_free_irq:
	free_irq(sonypi_device.irq, sonypi_irq);
 err_free_ioports:
	release_region(sonypi_device.ioport1, sonypi_device.region_size);
 err_disable_pcidev:
	if (pcidev)
		pci_disable_device(pcidev);
 err_put_pcidev:
	pci_dev_put(pcidev);
	kfifo_free(sonypi_device.fifo);

	return error;
}

static int __devexit sonypi_remove(struct platform_device *dev)
{
	sonypi_disable();

	synchronize_irq(sonypi_device.irq);
	flush_scheduled_work();

	if (useinput) {
		input_unregister_device(sonypi_device.input_key_dev);
		input_unregister_device(sonypi_device.input_jog_dev);
		kfifo_free(sonypi_device.input_fifo);
	}

	misc_deregister(&sonypi_misc_device);

	free_irq(sonypi_device.irq, sonypi_irq);
	release_region(sonypi_device.ioport1, sonypi_device.region_size);

	if (sonypi_device.dev) {
		pci_disable_device(sonypi_device.dev);
		pci_dev_put(sonypi_device.dev);
	}

	kfifo_free(sonypi_device.fifo);

	return 0;
}

#ifdef CONFIG_PM
static int old_camera_power;

static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
{
	old_camera_power = sonypi_device.camera_power;
	sonypi_disable();

	return 0;
}

static int sonypi_resume(struct platform_device *dev)
{
	sonypi_enable(old_camera_power);
	return 0;
}
#else
#define sonypi_suspend	NULL
#define sonypi_resume	NULL
#endif

static void sonypi_shutdown(struct platform_device *dev)
{
	sonypi_disable();
}

static struct platform_driver sonypi_driver = {
	.driver		= {
		.name	= "sonypi",
		.owner	= THIS_MODULE,
	},
	.probe		= sonypi_probe,
	.remove		= __devexit_p(sonypi_remove),
	.shutdown	= sonypi_shutdown,
	.suspend	= sonypi_suspend,
	.resume		= sonypi_resume,
};

static struct platform_device *sonypi_platform_device;

static struct dmi_system_id __initdata sonypi_dmi_table[] = {
	{
		.ident = "Sony Vaio",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
		},
	},
	{
		.ident = "Sony Vaio",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
		},
	},
	{ }
};

static int __init sonypi_init(void)
{
	int error;

	printk(KERN_INFO
		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
		SONYPI_DRIVER_VERSION);

	if (!dmi_check_system(sonypi_dmi_table))
		return -ENODEV;

	error = platform_driver_register(&sonypi_driver);
	if (error)
		return error;

	sonypi_platform_device = platform_device_alloc("sonypi", -1);
	if (!sonypi_platform_device) {
		error = -ENOMEM;
		goto err_driver_unregister;
	}

	error = platform_device_add(sonypi_platform_device);
	if (error)
		goto err_free_device;

#ifdef CONFIG_ACPI
	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
		acpi_driver_registered = 1;
#endif

	return 0;

 err_free_device:
	platform_device_put(sonypi_platform_device);
 err_driver_unregister:
	platform_driver_unregister(&sonypi_driver);
	return error;
}

static void __exit sonypi_exit(void)
{
#ifdef CONFIG_ACPI
	if (acpi_driver_registered)
		acpi_bus_unregister_driver(&sonypi_acpi_driver);
#endif
	platform_device_unregister(sonypi_platform_device);
	platform_driver_unregister(&sonypi_driver);
	printk(KERN_INFO "sonypi: removed.\n");
}

module_init(sonypi_init);
module_exit(sonypi_exit);