drivers/char/sonypi.c

   1 /*
   2  * Sony Programmable I/O Control Device driver for VAIO
   3  *
   4  * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
   5  *
   6  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   7  *
   8  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
   9  *
  10  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  11  *
  12  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  13  *
  14  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  15  *
  16  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  17  *
  18  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  19  *
  20  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  21  *
  22  * This program is free software; you can redistribute it and/or modify
  23  * it under the terms of the GNU General Public License as published by
  24  * the Free Software Foundation; either version 2 of the License, or
  25  * (at your option) any later version.
  26  *
  27  * This program is distributed in the hope that it will be useful,
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30  * GNU General Public License for more details.
  31  *
  32  * You should have received a copy of the GNU General Public License
  33  * along with this program; if not, write to the Free Software
  34  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  35  *
  36  */
  37
  38 #include <linux/module.h>
  39 #include <linux/sched.h>
  40 #include <linux/input.h>
  41 #include <linux/pci.h>
  42 #include <linux/init.h>
  43 #include <linux/interrupt.h>
  44 #include <linux/miscdevice.h>
  45 #include <linux/poll.h>
  46 #include <linux/delay.h>
  47 #include <linux/wait.h>
  48 #include <linux/acpi.h>
  49 #include <linux/dmi.h>
  50 #include <linux/err.h>
  51 #include <linux/kfifo.h>
  52 #include <linux/platform_device.h>
  53 #include <linux/gfp.h>
  54
  55 #include <asm/uaccess.h>
  56 #include <asm/io.h>
  57
  58 #include <linux/sonypi.h>
  59
  60 #define SONYPI_DRIVER_VERSION    "1.26"
  61
  62 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  63 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  64 MODULE_LICENSE("GPL");
  65 MODULE_VERSION(SONYPI_DRIVER_VERSION);
  66
  67 static int minor = -1;
  68 module_param(minor, int, 0);
  69 MODULE_PARM_DESC(minor,
  70                  "minor number of the misc device, default is -1 (automatic)");
  71
  72 static int verbose;             /* = 0 */
  73 module_param(verbose, int, 0644);
  74 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  75
  76 static int fnkeyinit;           /* = 0 */
  77 module_param(fnkeyinit, int, 0444);
  78 MODULE_PARM_DESC(fnkeyinit,
  79                  "set this if your Fn keys do not generate any event");
  80
  81 static int camera;              /* = 0 */
  82 module_param(camera, int, 0444);
  83 MODULE_PARM_DESC(camera,
  84                  "set this if you have a MotionEye camera (PictureBook series)");
  85
  86 static int compat;              /* = 0 */
  87 module_param(compat, int, 0444);
  88 MODULE_PARM_DESC(compat,
  89                  "set this if you want to enable backward compatibility mode");
  90
  91 static unsigned long mask = 0xffffffff;
  92 module_param(mask, ulong, 0644);
  93 MODULE_PARM_DESC(mask,
  94                  "set this to the mask of event you want to enable (see doc)");
  95
  96 static int useinput = 1;
  97 module_param(useinput, int, 0444);
  98 MODULE_PARM_DESC(useinput,
  99                  "set this if you would like sonypi to feed events to the input subsystem");
 100
 101 static int check_ioport = 1;
 102 module_param(check_ioport, int, 0444);
 103 MODULE_PARM_DESC(check_ioport,
 104                  "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
 105
 106 #define SONYPI_DEVICE_MODEL_TYPE1       1
 107 #define SONYPI_DEVICE_MODEL_TYPE2       2
 108 #define SONYPI_DEVICE_MODEL_TYPE3       3
 109
 110 /* type1 models use those */
 111 #define SONYPI_IRQ_PORT                 0x8034
 112 #define SONYPI_IRQ_SHIFT                22
 113 #define SONYPI_TYPE1_BASE               0x50
 114 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 115 #define SONYPI_TYPE1_REGION_SIZE        0x08
 116 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 117
 118 /* type2 series specifics */
 119 #define SONYPI_SIRQ                     0x9b
 120 #define SONYPI_SLOB                     0x9c
 121 #define SONYPI_SHIB                     0x9d
 122 #define SONYPI_TYPE2_REGION_SIZE        0x20
 123 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 124
 125 /* type3 series specifics */
 126 #define SONYPI_TYPE3_BASE               0x40
 127 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 128 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 129 #define SONYPI_TYPE3_REGION_SIZE        0x20
 130 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 131
 132 /* battery / brightness addresses */
 133 #define SONYPI_BAT_FLAGS        0x81
 134 #define SONYPI_LCD_LIGHT        0x96
 135 #define SONYPI_BAT1_PCTRM       0xa0
 136 #define SONYPI_BAT1_LEFT        0xa2
 137 #define SONYPI_BAT1_MAXRT       0xa4
 138 #define SONYPI_BAT2_PCTRM       0xa8
 139 #define SONYPI_BAT2_LEFT        0xaa
 140 #define SONYPI_BAT2_MAXRT       0xac
 141 #define SONYPI_BAT1_MAXTK       0xb0
 142 #define SONYPI_BAT1_FULL        0xb2
 143 #define SONYPI_BAT2_MAXTK       0xb8
 144 #define SONYPI_BAT2_FULL        0xba
 145
 146 /* FAN0 information (reverse engineered from ACPI tables) */
 147 #define SONYPI_FAN0_STATUS      0x93
 148 #define SONYPI_TEMP_STATUS      0xC1
 149
 150 /* ioports used for brightness and type2 events */
 151 #define SONYPI_DATA_IOPORT      0x62
 152 #define SONYPI_CST_IOPORT       0x66
 153
 154 /* The set of possible ioports */
 155 struct sonypi_ioport_list {
 156         u16     port1;
 157         u16     port2;
 158 };
 159
 160 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 161         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 162         { 0x1080, 0x1084 },
 163         { 0x1090, 0x1094 },
 164         { 0x10a0, 0x10a4 },
 165         { 0x10b0, 0x10b4 },
 166         { 0x0, 0x0 }
 167 };
 168
 169 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 170         { 0x1080, 0x1084 },
 171         { 0x10a0, 0x10a4 },
 172         { 0x10c0, 0x10c4 },
 173         { 0x10e0, 0x10e4 },
 174         { 0x0, 0x0 }
 175 };
 176
 177 /* same as in type 2 models */
 178 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 179         sonypi_type2_ioport_list;
 180
 181 /* The set of possible interrupts */
 182 struct sonypi_irq_list {
 183         u16     irq;
 184         u16     bits;
 185 };
 186
 187 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 188         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 189         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 190         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 191         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 192 };
 193
 194 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 195         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 196         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 197         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 198         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 199         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 200 };
 201
 202 /* same as in type2 models */
 203 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 204
 205 #define SONYPI_CAMERA_BRIGHTNESS                0
 206 #define SONYPI_CAMERA_CONTRAST                  1
 207 #define SONYPI_CAMERA_HUE                       2
 208 #define SONYPI_CAMERA_COLOR                     3
 209 #define SONYPI_CAMERA_SHARPNESS                 4
 210
 211 #define SONYPI_CAMERA_PICTURE                   5
 212 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 213 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 214 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 215 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 216
 217 /* the rest don't need a loop until not 0xff */
 218 #define SONYPI_CAMERA_AGC                       6
 219 #define SONYPI_CAMERA_AGC_MASK                  0x30
 220 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 221
 222 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 223 #define SONYPI_CAMERA_CONTROL                   0x10
 224
 225 #define SONYPI_CAMERA_STATUS                    7
 226 #define SONYPI_CAMERA_STATUS_READY              0x2
 227 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 228
 229 #define SONYPI_DIRECTION_BACKWARDS              0x4
 230
 231 #define SONYPI_CAMERA_REVISION                  8
 232 #define SONYPI_CAMERA_ROMVERSION                9
 233
 234 /* Event masks */
 235 #define SONYPI_JOGGER_MASK                      0x00000001
 236 #define SONYPI_CAPTURE_MASK                     0x00000002
 237 #define SONYPI_FNKEY_MASK                       0x00000004
 238 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 239 #define SONYPI_PKEY_MASK                        0x00000010
 240 #define SONYPI_BACK_MASK                        0x00000020
 241 #define SONYPI_HELP_MASK                        0x00000040
 242 #define SONYPI_LID_MASK                         0x00000080
 243 #define SONYPI_ZOOM_MASK                        0x00000100
 244 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 245 #define SONYPI_MEYE_MASK                        0x00000400
 246 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 247 #define SONYPI_BATTERY_MASK                     0x00001000
 248 #define SONYPI_WIRELESS_MASK                    0x00002000
 249
 250 struct sonypi_event {
 251         u8      data;
 252         u8      event;
 253 };
 254
 255 /* The set of possible button release events */
 256 static struct sonypi_event sonypi_releaseev[] = {
 257         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 258         { 0, 0 }
 259 };
 260
 261 /* The set of possible jogger events  */
 262 static struct sonypi_event sonypi_joggerev[] = {
 263         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 264         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 265         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 266         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 267         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 268         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 269         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 270         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 271         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 272         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 273         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 274         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 275         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 276         { 0, 0 }
 277 };
 278
 279 /* The set of possible capture button events */
 280 static struct sonypi_event sonypi_captureev[] = {
 281         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 282         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 283         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 284         { 0, 0 }
 285 };
 286
 287 /* The set of possible fnkeys events */
 288 static struct sonypi_event sonypi_fnkeyev[] = {
 289         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 290         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 291         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 292         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 293         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 294         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 295         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 296         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 297         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 298         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 299         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 300         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 301         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 302         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 303         { 0x21, SONYPI_EVENT_FNKEY_1 },
 304         { 0x22, SONYPI_EVENT_FNKEY_2 },
 305         { 0x31, SONYPI_EVENT_FNKEY_D },
 306         { 0x32, SONYPI_EVENT_FNKEY_E },
 307         { 0x33, SONYPI_EVENT_FNKEY_F },
 308         { 0x34, SONYPI_EVENT_FNKEY_S },
 309         { 0x35, SONYPI_EVENT_FNKEY_B },
 310         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 311         { 0, 0 }
 312 };
 313
 314 /* The set of possible program key events */
 315 static struct sonypi_event sonypi_pkeyev[] = {
 316         { 0x01, SONYPI_EVENT_PKEY_P1 },
 317         { 0x02, SONYPI_EVENT_PKEY_P2 },
 318         { 0x04, SONYPI_EVENT_PKEY_P3 },
 319         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 320         { 0, 0 }
 321 };
 322
 323 /* The set of possible bluetooth events */
 324 static struct sonypi_event sonypi_blueev[] = {
 325         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 326         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 327         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 328         { 0, 0 }
 329 };
 330
 331 /* The set of possible wireless events */
 332 static struct sonypi_event sonypi_wlessev[] = {
 333         { 0x59, SONYPI_EVENT_WIRELESS_ON },
 334         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 335         { 0, 0 }
 336 };
 337
 338 /* The set of possible back button events */
 339 static struct sonypi_event sonypi_backev[] = {
 340         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 341         { 0, 0 }
 342 };
 343
 344 /* The set of possible help button events */
 345 static struct sonypi_event sonypi_helpev[] = {
 346         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 347         { 0, 0 }
 348 };
 349
 350
 351 /* The set of possible lid events */
 352 static struct sonypi_event sonypi_lidev[] = {
 353         { 0x51, SONYPI_EVENT_LID_CLOSED },
 354         { 0x50, SONYPI_EVENT_LID_OPENED },
 355         { 0, 0 }
 356 };
 357
 358 /* The set of possible zoom events */
 359 static struct sonypi_event sonypi_zoomev[] = {
 360         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 361         { 0, 0 }
 362 };
 363
 364 /* The set of possible thumbphrase events */
 365 static struct sonypi_event sonypi_thumbphraseev[] = {
 366         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 367         { 0, 0 }
 368 };
 369
 370 /* The set of possible motioneye camera events */
 371 static struct sonypi_event sonypi_meyeev[] = {
 372         { 0x00, SONYPI_EVENT_MEYE_FACE },
 373         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 374         { 0, 0 }
 375 };
 376
 377 /* The set of possible memorystick events */
 378 static struct sonypi_event sonypi_memorystickev[] = {
 379         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 380         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 381         { 0, 0 }
 382 };
 383
 384 /* The set of possible battery events */
 385 static struct sonypi_event sonypi_batteryev[] = {
 386         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 387         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 388         { 0, 0 }
 389 };
 390
 391 static struct sonypi_eventtypes {
 392         int                     model;
 393         u8                      data;
 394         unsigned long           mask;
 395         struct sonypi_event *   events;
 396 } sonypi_eventtypes[] = {
 397         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 398         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 399         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 400         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 401         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 402         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 403         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 404         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 405         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 406         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 407
 408         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 409         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 410         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 411         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 412         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 413         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 414         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 415         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 416         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 417         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 418         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 419         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 420         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 421         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 422
 423         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 424         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 425         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 426         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 427         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 428         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 429         { 0 }
 430 };
 431
 432 #define SONYPI_BUF_SIZE 128
 433
 434 /* Correspondance table between sonypi events and input layer events */
 435 static struct {
 436         int sonypiev;
 437         int inputev;
 438 } sonypi_inputkeys[] = {
 439         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 440         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 441         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 442         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 443         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 444         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 445         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 446         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 447         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 448         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 449         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 450         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 451         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 452         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 453         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 454         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 455         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 456         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 457         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 458         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 459         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 460         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 461         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 462         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 463         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 464         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 465         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 466         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 467         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 468         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 469         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 470         { 0, 0 },
 471 };
 472
 473 struct sonypi_keypress {
 474         struct input_dev *dev;
 475         int key;
 476 };
 477
 478 static struct sonypi_device {
 479         struct pci_dev *dev;
 480         u16 irq;
 481         u16 bits;
 482         u16 ioport1;
 483         u16 ioport2;
 484         u16 region_size;
 485         u16 evtype_offset;
 486         int camera_power;
 487         int bluetooth_power;
 488         struct mutex lock;
 489         struct kfifo fifo;
 490         spinlock_t fifo_lock;
 491         wait_queue_head_t fifo_proc_list;
 492         struct fasync_struct *fifo_async;
 493         int open_count;
 494         int model;
 495         struct input_dev *input_jog_dev;
 496         struct input_dev *input_key_dev;
 497         struct work_struct input_work;
 498         struct kfifo input_fifo;
 499         spinlock_t input_fifo_lock;
 500 } sonypi_device;
 501
 502 #define ITERATIONS_LONG         10000
 503 #define ITERATIONS_SHORT        10
 504
 505 #define wait_on_command(quiet, command, iterations) { \
 506         unsigned int n = iterations; \
 507         while (--n && (command)) \
 508                 udelay(1); \
 509         if (!n && (verbose || !quiet)) \
 510                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
 511 }
 512
 513 #ifdef CONFIG_ACPI
 514 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 515 #else
 516 #define SONYPI_ACPI_ACTIVE 0
 517 #endif                          /* CONFIG_ACPI */
 518
 519 #ifdef CONFIG_ACPI
 520 static struct acpi_device *sonypi_acpi_device;
 521 static int acpi_driver_registered;
 522 #endif
 523
 524 static int sonypi_ec_write(u8 addr, u8 value)
 525 {
 526 #ifdef CONFIG_ACPI
 527         if (SONYPI_ACPI_ACTIVE)
 528                 return ec_write(addr, value);
 529 #endif
 530         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 531         outb_p(0x81, SONYPI_CST_IOPORT);
 532         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 533         outb_p(addr, SONYPI_DATA_IOPORT);
 534         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 535         outb_p(value, SONYPI_DATA_IOPORT);
 536         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 537         return 0;
 538 }
 539
 540 static int sonypi_ec_read(u8 addr, u8 *value)
 541 {
 542 #ifdef CONFIG_ACPI
 543         if (SONYPI_ACPI_ACTIVE)
 544                 return ec_read(addr, value);
 545 #endif
 546         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 547         outb_p(0x80, SONYPI_CST_IOPORT);
 548         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 549         outb_p(addr, SONYPI_DATA_IOPORT);
 550         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 551         *value = inb_p(SONYPI_DATA_IOPORT);
 552         return 0;
 553 }
 554
 555 static int ec_read16(u8 addr, u16 *value)
 556 {
 557         u8 val_lb, val_hb;
 558         if (sonypi_ec_read(addr, &val_lb))
 559                 return -1;
 560         if (sonypi_ec_read(addr + 1, &val_hb))
 561                 return -1;
 562         *value = val_lb | (val_hb << 8);
 563         return 0;
 564 }
 565
 566 /* Initializes the device - this comes from the AML code in the ACPI bios */
 567 static void sonypi_type1_srs(void)
 568 {
 569         u32 v;
 570
 571         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 572         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 573         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 574
 575         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 576         v = (v & 0xFFF0FFFF) |
 577             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 578         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 579
 580         v = inl(SONYPI_IRQ_PORT);
 581         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 582         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 583         outl(v, SONYPI_IRQ_PORT);
 584
 585         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 586         v = (v & 0xFF1FFFFF) | 0x00C00000;
 587         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 588 }
 589
 590 static void sonypi_type2_srs(void)
 591 {
 592         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 593                 printk(KERN_WARNING "ec_write failed\n");
 594         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 595                 printk(KERN_WARNING "ec_write failed\n");
 596         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 597                 printk(KERN_WARNING "ec_write failed\n");
 598         udelay(10);
 599 }
 600
 601 static void sonypi_type3_srs(void)
 602 {
 603         u16 v16;
 604         u8  v8;
 605
 606         /* This model type uses the same initialiazation of
 607          * the embedded controller as the type2 models. */
 608         sonypi_type2_srs();
 609
 610         /* Initialization of PCI config space of the LPC interface bridge. */
 611         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 612         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 613         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 614         v8 = (v8 & 0xCF) | 0x10;
 615         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 616 }
 617
 618 /* Disables the device - this comes from the AML code in the ACPI bios */
 619 static void sonypi_type1_dis(void)
 620 {
 621         u32 v;
 622
 623         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 624         v = v & 0xFF3FFFFF;
 625         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 626
 627         v = inl(SONYPI_IRQ_PORT);
 628         v |= (0x3 << SONYPI_IRQ_SHIFT);
 629         outl(v, SONYPI_IRQ_PORT);
 630 }
 631
 632 static void sonypi_type2_dis(void)
 633 {
 634         if (sonypi_ec_write(SONYPI_SHIB, 0))
 635                 printk(KERN_WARNING "ec_write failed\n");
 636         if (sonypi_ec_write(SONYPI_SLOB, 0))
 637                 printk(KERN_WARNING "ec_write failed\n");
 638         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 639                 printk(KERN_WARNING "ec_write failed\n");
 640 }
 641
 642 static void sonypi_type3_dis(void)
 643 {
 644         sonypi_type2_dis();
 645         udelay(10);
 646         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 647 }
 648
 649 static u8 sonypi_call1(u8 dev)
 650 {
 651         u8 v1, v2;
 652
 653         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 654         outb(dev, sonypi_device.ioport2);
 655         v1 = inb_p(sonypi_device.ioport2);
 656         v2 = inb_p(sonypi_device.ioport1);
 657         return v2;
 658 }
 659
 660 static u8 sonypi_call2(u8 dev, u8 fn)
 661 {
 662         u8 v1;
 663
 664         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 665         outb(dev, sonypi_device.ioport2);
 666         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 667         outb(fn, sonypi_device.ioport1);
 668         v1 = inb_p(sonypi_device.ioport1);
 669         return v1;
 670 }
 671
 672 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 673 {
 674         u8 v1;
 675
 676         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 677         outb(dev, sonypi_device.ioport2);
 678         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 679         outb(fn, sonypi_device.ioport1);
 680         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 681         outb(v, sonypi_device.ioport1);
 682         v1 = inb_p(sonypi_device.ioport1);
 683         return v1;
 684 }
 685
 686 #if 0
 687 /* Get brightness, hue etc. Unreliable... */
 688 static u8 sonypi_read(u8 fn)
 689 {
 690         u8 v1, v2;
 691         int n = 100;
 692
 693         while (n--) {
 694                 v1 = sonypi_call2(0x8f, fn);
 695                 v2 = sonypi_call2(0x8f, fn);
 696                 if (v1 == v2 && v1 != 0xff)
 697                         return v1;
 698         }
 699         return 0xff;
 700 }
 701 #endif
 702
 703 /* Set brightness, hue etc */
 704 static void sonypi_set(u8 fn, u8 v)
 705 {
 706         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 707 }
 708
 709 /* Tests if the camera is ready */
 710 static int sonypi_camera_ready(void)
 711 {
 712         u8 v;
 713
 714         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 715         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 716 }
 717
 718 /* Turns the camera off */
 719 static void sonypi_camera_off(void)
 720 {
 721         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 722
 723         if (!sonypi_device.camera_power)
 724                 return;
 725
 726         sonypi_call2(0x91, 0);
 727         sonypi_device.camera_power = 0;
 728 }
 729
 730 /* Turns the camera on */
 731 static void sonypi_camera_on(void)
 732 {
 733         int i, j;
 734
 735         if (sonypi_device.camera_power)
 736                 return;
 737
 738         for (j = 5; j > 0; j--) {
 739
 740                 while (sonypi_call2(0x91, 0x1))
 741                         msleep(10);
 742                 sonypi_call1(0x93);
 743
 744                 for (i = 400; i > 0; i--) {
 745                         if (sonypi_camera_ready())
 746                                 break;
 747                         msleep(10);
 748                 }
 749                 if (i)
 750                         break;
 751         }
 752
 753         if (j == 0) {
 754                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 755                 return;
 756         }
 757
 758         sonypi_set(0x10, 0x5a);
 759         sonypi_device.camera_power = 1;
 760 }
 761
 762 /* sets the bluetooth subsystem power state */
 763 static void sonypi_setbluetoothpower(u8 state)
 764 {
 765         state = !!state;
 766
 767         if (sonypi_device.bluetooth_power == state)
 768                 return;
 769
 770         sonypi_call2(0x96, state);
 771         sonypi_call1(0x82);
 772         sonypi_device.bluetooth_power = state;
 773 }
 774
 775 static void input_keyrelease(struct work_struct *work)
 776 {
 777         struct sonypi_keypress kp;
 778
 779         while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
 780                          sizeof(kp), &sonypi_device.input_fifo_lock)
 781                         == sizeof(kp)) {
 782                 msleep(10);
 783                 input_report_key(kp.dev, kp.key, 0);
 784                 input_sync(kp.dev);
 785         }
 786 }
 787
 788 static void sonypi_report_input_event(u8 event)
 789 {
 790         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 791         struct input_dev *key_dev = sonypi_device.input_key_dev;
 792         struct sonypi_keypress kp = { NULL };
 793         int i;
 794
 795         switch (event) {
 796         case SONYPI_EVENT_JOGDIAL_UP:
 797         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 798                 input_report_rel(jog_dev, REL_WHEEL, 1);
 799                 input_sync(jog_dev);
 800                 break;
 801
 802         case SONYPI_EVENT_JOGDIAL_DOWN:
 803         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 804                 input_report_rel(jog_dev, REL_WHEEL, -1);
 805                 input_sync(jog_dev);
 806                 break;
 807
 808         case SONYPI_EVENT_JOGDIAL_PRESSED:
 809                 kp.key = BTN_MIDDLE;
 810                 kp.dev = jog_dev;
 811                 break;
 812
 813         case SONYPI_EVENT_FNKEY_RELEASED:
 814                 /* Nothing, not all VAIOs generate this event */
 815                 break;
 816
 817         default:
 818                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 819                         if (event == sonypi_inputkeys[i].sonypiev) {
 820                                 kp.dev = key_dev;
 821                                 kp.key = sonypi_inputkeys[i].inputev;
 822                                 break;
 823                         }
 824                 break;
 825         }
 826
 827         if (kp.dev) {
 828                 input_report_key(kp.dev, kp.key, 1);
 829                 input_sync(kp.dev);
 830                 kfifo_in_locked(&sonypi_device.input_fifo,
 831                         (unsigned char *)&kp, sizeof(kp),
 832                         &sonypi_device.input_fifo_lock);
 833                 schedule_work(&sonypi_device.input_work);
 834         }
 835 }
 836
 837 /* Interrupt handler: some event is available */
 838 static irqreturn_t sonypi_irq(int irq, void *dev_id)
 839 {
 840         u8 v1, v2, event = 0;
 841         int i, j;
 842
 843         v1 = inb_p(sonypi_device.ioport1);
 844         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 845
 846         for (i = 0; sonypi_eventtypes[i].model; i++) {
 847                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 848                         continue;
 849                 if ((v2 & sonypi_eventtypes[i].data) !=
 850                     sonypi_eventtypes[i].data)
 851                         continue;
 852                 if (!(mask & sonypi_eventtypes[i].mask))
 853                         continue;
 854                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 855                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 856                                 event = sonypi_eventtypes[i].events[j].event;
 857                                 goto found;
 858                         }
 859                 }
 860         }
 861
 862         if (verbose)
 863                 printk(KERN_WARNING
 864                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 865                        v1, v2);
 866         /* We need to return IRQ_HANDLED here because there *are*
 867          * events belonging to the sonypi device we don't know about,
 868          * but we still don't want those to pollute the logs... */
 869         return IRQ_HANDLED;
 870
 871 found:
 872         if (verbose > 1)
 873                 printk(KERN_INFO
 874                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 875
 876         if (useinput)
 877                 sonypi_report_input_event(event);
 878
 879         kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
 880                         sizeof(event), &sonypi_device.fifo_lock);
 881         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 882         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 883
 884         return IRQ_HANDLED;
 885 }
 886
 887 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 888 {
 889         return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 890 }
 891
 892 static int sonypi_misc_release(struct inode *inode, struct file *file)
 893 {
 894         mutex_lock(&sonypi_device.lock);
 895         sonypi_device.open_count--;
 896         mutex_unlock(&sonypi_device.lock);
 897         return 0;
 898 }
 899
 900 static int sonypi_misc_open(struct inode *inode, struct file *file)
 901 {
 902         mutex_lock(&sonypi_device.lock);
 903         /* Flush input queue on first open */
 904         if (!sonypi_device.open_count)
 905                 kfifo_reset(&sonypi_device.fifo);
 906         sonypi_device.open_count++;
 907         mutex_unlock(&sonypi_device.lock);
 908
 909         return 0;
 910 }
 911
 912 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 913                                 size_t count, loff_t *pos)
 914 {
 915         ssize_t ret;
 916         unsigned char c;
 917
 918         if ((kfifo_len(&sonypi_device.fifo) == 0) &&
 919             (file->f_flags & O_NONBLOCK))
 920                 return -EAGAIN;
 921
 922         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 923                                        kfifo_len(&sonypi_device.fifo) != 0);
 924         if (ret)
 925                 return ret;
 926
 927         while (ret < count &&
 928                (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
 929                                  &sonypi_device.fifo_lock) == sizeof(c))) {
 930                 if (put_user(c, buf++))
 931                         return -EFAULT;
 932                 ret++;
 933         }
 934
 935         if (ret > 0) {
 936                 struct inode *inode = file_inode(file);
 937                 inode->i_atime = current_fs_time(inode->i_sb);
 938         }
 939
 940         return ret;
 941 }
 942
 943 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 944 {
 945         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 946         if (kfifo_len(&sonypi_device.fifo))
 947                 return POLLIN | POLLRDNORM;
 948         return 0;
 949 }
 950
 951 static long sonypi_misc_ioctl(struct file *fp,
 952                              unsigned int cmd, unsigned long arg)
 953 {
 954         long ret = 0;
 955         void __user *argp = (void __user *)arg;
 956         u8 val8;
 957         u16 val16;
 958
 959         mutex_lock(&sonypi_device.lock);
 960         switch (cmd) {
 961         case SONYPI_IOCGBRT:
 962                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 963                         ret = -EIO;
 964                         break;
 965                 }
 966                 if (copy_to_user(argp, &val8, sizeof(val8)))
 967                         ret = -EFAULT;
 968                 break;
 969         case SONYPI_IOCSBRT:
 970                 if (copy_from_user(&val8, argp, sizeof(val8))) {
 971                         ret = -EFAULT;
 972                         break;
 973                 }
 974                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 975                         ret = -EIO;
 976                 break;
 977         case SONYPI_IOCGBAT1CAP:
 978                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 979                         ret = -EIO;
 980                         break;
 981                 }
 982                 if (copy_to_user(argp, &val16, sizeof(val16)))
 983                         ret = -EFAULT;
 984                 break;
 985         case SONYPI_IOCGBAT1REM:
 986                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 987                         ret = -EIO;
 988                         break;
 989                 }
 990                 if (copy_to_user(argp, &val16, sizeof(val16)))
 991                         ret = -EFAULT;
 992                 break;
 993         case SONYPI_IOCGBAT2CAP:
 994                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
 995                         ret = -EIO;
 996                         break;
 997                 }
 998                 if (copy_to_user(argp, &val16, sizeof(val16)))
 999                         ret = -EFAULT;
1000                 break;
1001         case SONYPI_IOCGBAT2REM:
1002                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1003                         ret = -EIO;
1004                         break;
1005                 }
1006                 if (copy_to_user(argp, &val16, sizeof(val16)))
1007                         ret = -EFAULT;
1008                 break;
1009         case SONYPI_IOCGBATFLAGS:
1010                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1011                         ret = -EIO;
1012                         break;
1013                 }
1014                 val8 &= 0x07;
1015                 if (copy_to_user(argp, &val8, sizeof(val8)))
1016                         ret = -EFAULT;
1017                 break;
1018         case SONYPI_IOCGBLUE:
1019                 val8 = sonypi_device.bluetooth_power;
1020                 if (copy_to_user(argp, &val8, sizeof(val8)))
1021                         ret = -EFAULT;
1022                 break;
1023         case SONYPI_IOCSBLUE:
1024                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1025                         ret = -EFAULT;
1026                         break;
1027                 }
1028                 sonypi_setbluetoothpower(val8);
1029                 break;
1030         /* FAN Controls */
1031         case SONYPI_IOCGFAN:
1032                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1033                         ret = -EIO;
1034                         break;
1035                 }
1036                 if (copy_to_user(argp, &val8, sizeof(val8)))
1037                         ret = -EFAULT;
1038                 break;
1039         case SONYPI_IOCSFAN:
1040                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1041                         ret = -EFAULT;
1042                         break;
1043                 }
1044                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1045                         ret = -EIO;
1046                 break;
1047         /* GET Temperature (useful under APM) */
1048         case SONYPI_IOCGTEMP:
1049                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1050                         ret = -EIO;
1051                         break;
1052                 }
1053                 if (copy_to_user(argp, &val8, sizeof(val8)))
1054                         ret = -EFAULT;
1055                 break;
1056         default:
1057                 ret = -EINVAL;
1058         }
1059         mutex_unlock(&sonypi_device.lock);
1060         return ret;
1061 }
1062
1063 static const struct file_operations sonypi_misc_fops = {
1064         .owner          = THIS_MODULE,
1065         .read           = sonypi_misc_read,
1066         .poll           = sonypi_misc_poll,
1067         .open           = sonypi_misc_open,
1068         .release        = sonypi_misc_release,
1069         .fasync         = sonypi_misc_fasync,
1070         .unlocked_ioctl = sonypi_misc_ioctl,
1071         .llseek         = no_llseek,
1072 };
1073
1074 static struct miscdevice sonypi_misc_device = {
1075         .minor          = MISC_DYNAMIC_MINOR,
1076         .name           = "sonypi",
1077         .fops           = &sonypi_misc_fops,
1078 };
1079
1080 static void sonypi_enable(unsigned int camera_on)
1081 {
1082         switch (sonypi_device.model) {
1083         case SONYPI_DEVICE_MODEL_TYPE1:
1084                 sonypi_type1_srs();
1085                 break;
1086         case SONYPI_DEVICE_MODEL_TYPE2:
1087                 sonypi_type2_srs();
1088                 break;
1089         case SONYPI_DEVICE_MODEL_TYPE3:
1090                 sonypi_type3_srs();
1091                 break;
1092         }
1093
1094         sonypi_call1(0x82);
1095         sonypi_call2(0x81, 0xff);
1096         sonypi_call1(compat ? 0x92 : 0x82);
1097
1098         /* Enable ACPI mode to get Fn key events */
1099         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100                 outb(0xf0, 0xb2);
1101
1102         if (camera && camera_on)
1103                 sonypi_camera_on();
1104 }
1105
1106 static int sonypi_disable(void)
1107 {
1108         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1109         if (camera)
1110                 sonypi_camera_off();
1111
1112         /* disable ACPI mode */
1113         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1114                 outb(0xf1, 0xb2);
1115
1116         switch (sonypi_device.model) {
1117         case SONYPI_DEVICE_MODEL_TYPE1:
1118                 sonypi_type1_dis();
1119                 break;
1120         case SONYPI_DEVICE_MODEL_TYPE2:
1121                 sonypi_type2_dis();
1122                 break;
1123         case SONYPI_DEVICE_MODEL_TYPE3:
1124                 sonypi_type3_dis();
1125                 break;
1126         }
1127
1128         return 0;
1129 }
1130
1131 #ifdef CONFIG_ACPI
1132 static int sonypi_acpi_add(struct acpi_device *device)
1133 {
1134         sonypi_acpi_device = device;
1135         strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1136         strcpy(acpi_device_class(device), "sony/hotkey");
1137         return 0;
1138 }
1139
1140 static int sonypi_acpi_remove(struct acpi_device *device)
1141 {
1142         sonypi_acpi_device = NULL;
1143         return 0;
1144 }
1145
1146 static const struct acpi_device_id sonypi_device_ids[] = {
1147         {"SNY6001", 0},
1148         {"", 0},
1149 };
1150
1151 static struct acpi_driver sonypi_acpi_driver = {
1152         .name           = "sonypi",
1153         .class          = "hkey",
1154         .ids            = sonypi_device_ids,
1155         .ops            = {
1156                            .add = sonypi_acpi_add,
1157                            .remove = sonypi_acpi_remove,
1158         },
1159 };
1160 #endif
1161
1162 static int sonypi_create_input_devices(struct platform_device *pdev)
1163 {
1164         struct input_dev *jog_dev;
1165         struct input_dev *key_dev;
1166         int i;
1167         int error;
1168
1169         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1170         if (!jog_dev)
1171                 return -ENOMEM;
1172
1173         jog_dev->name = "Sony Vaio Jogdial";
1174         jog_dev->id.bustype = BUS_ISA;
1175         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176         jog_dev->dev.parent = &pdev->dev;
1177
1178         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1179         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1180         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1181
1182         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1183         if (!key_dev) {
1184                 error = -ENOMEM;
1185                 goto err_free_jogdev;
1186         }
1187
1188         key_dev->name = "Sony Vaio Keys";
1189         key_dev->id.bustype = BUS_ISA;
1190         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1191         key_dev->dev.parent = &pdev->dev;
1192
1193         /* Initialize the Input Drivers: special keys */
1194         key_dev->evbit[0] = BIT_MASK(EV_KEY);
1195         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1196                 if (sonypi_inputkeys[i].inputev)
1197                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1198
1199         error = input_register_device(jog_dev);
1200         if (error)
1201                 goto err_free_keydev;
1202
1203         error = input_register_device(key_dev);
1204         if (error)
1205                 goto err_unregister_jogdev;
1206
1207         return 0;
1208
1209  err_unregister_jogdev:
1210         input_unregister_device(jog_dev);
1211         /* Set to NULL so we don't free it again below */
1212         jog_dev = NULL;
1213  err_free_keydev:
1214         input_free_device(key_dev);
1215         sonypi_device.input_key_dev = NULL;
1216  err_free_jogdev:
1217         input_free_device(jog_dev);
1218         sonypi_device.input_jog_dev = NULL;
1219
1220         return error;
1221 }
1222
1223 static int sonypi_setup_ioports(struct sonypi_device *dev,
1224                                 const struct sonypi_ioport_list *ioport_list)
1225 {
1226         /* try to detect if sony-laptop is being used and thus
1227          * has already requested one of the known ioports.
1228          * As in the deprecated check_region this is racy has we have
1229          * multiple ioports available and one of them can be requested
1230          * between this check and the subsequent request. Anyway, as an
1231          * attempt to be some more user-friendly as we currently are,
1232          * this is enough.
1233          */
1234         const struct sonypi_ioport_list *check = ioport_list;
1235         while (check_ioport && check->port1) {
1236                 if (!request_region(check->port1,
1237                                    sonypi_device.region_size,
1238                                    "Sony Programmable I/O Device Check")) {
1239                         printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1240                                         "if not use check_ioport=0\n",
1241                                         check->port1);
1242                         return -EBUSY;
1243                 }
1244                 release_region(check->port1, sonypi_device.region_size);
1245                 check++;
1246         }
1247
1248         while (ioport_list->port1) {
1249
1250                 if (request_region(ioport_list->port1,
1251                                    sonypi_device.region_size,
1252                                    "Sony Programmable I/O Device")) {
1253                         dev->ioport1 = ioport_list->port1;
1254                         dev->ioport2 = ioport_list->port2;
1255                         return 0;
1256                 }
1257                 ioport_list++;
1258         }
1259
1260         return -EBUSY;
1261 }
1262
1263 static int sonypi_setup_irq(struct sonypi_device *dev,
1264                                       const struct sonypi_irq_list *irq_list)
1265 {
1266         while (irq_list->irq) {
1267
1268                 if (!request_irq(irq_list->irq, sonypi_irq,
1269                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1270                         dev->irq = irq_list->irq;
1271                         dev->bits = irq_list->bits;
1272                         return 0;
1273                 }
1274                 irq_list++;
1275         }
1276
1277         return -EBUSY;
1278 }
1279
1280 static void sonypi_display_info(void)
1281 {
1282         printk(KERN_INFO "sonypi: detected type%d model, "
1283                "verbose = %d, fnkeyinit = %s, camera = %s, "
1284                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1285                sonypi_device.model,
1286                verbose,
1287                fnkeyinit ? "on" : "off",
1288                camera ? "on" : "off",
1289                compat ? "on" : "off",
1290                mask,
1291                useinput ? "on" : "off",
1292                SONYPI_ACPI_ACTIVE ? "on" : "off");
1293         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1294                sonypi_device.irq,
1295                sonypi_device.ioport1, sonypi_device.ioport2);
1296
1297         if (minor == -1)
1298                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1299                        sonypi_misc_device.minor);
1300 }
1301
1302 static int sonypi_probe(struct platform_device *dev)
1303 {
1304         const struct sonypi_ioport_list *ioport_list;
1305         const struct sonypi_irq_list *irq_list;
1306         struct pci_dev *pcidev;
1307         int error;
1308
1309         printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1310                         "and report failures, see also "
1311                         "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1312
1313         spin_lock_init(&sonypi_device.fifo_lock);
1314         error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1315         if (error) {
1316                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1317                 return error;
1318         }
1319
1320         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1321         mutex_init(&sonypi_device.lock);
1322         sonypi_device.bluetooth_power = -1;
1323
1324         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1325                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1326                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1327         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1328                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1329                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1330         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1332                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1333         else
1334                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1335
1336         if (pcidev && pci_enable_device(pcidev)) {
1337                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1338                 error = -EIO;
1339                 goto err_put_pcidev;
1340         }
1341
1342         sonypi_device.dev = pcidev;
1343
1344         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1345                 ioport_list = sonypi_type1_ioport_list;
1346                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1347                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1348                 irq_list = sonypi_type1_irq_list;
1349         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1350                 ioport_list = sonypi_type2_ioport_list;
1351                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1352                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1353                 irq_list = sonypi_type2_irq_list;
1354         } else {
1355                 ioport_list = sonypi_type3_ioport_list;
1356                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1357                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1358                 irq_list = sonypi_type3_irq_list;
1359         }
1360
1361         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1362         if (error) {
1363                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1364                 goto err_disable_pcidev;
1365         }
1366
1367         error = sonypi_setup_irq(&sonypi_device, irq_list);
1368         if (error) {
1369                 printk(KERN_ERR "sonypi: request_irq failed\n");
1370                 goto err_free_ioports;
1371         }
1372
1373         if (minor != -1)
1374                 sonypi_misc_device.minor = minor;
1375         error = misc_register(&sonypi_misc_device);
1376         if (error) {
1377                 printk(KERN_ERR "sonypi: misc_register failed\n");
1378                 goto err_free_irq;
1379         }
1380
1381         sonypi_display_info();
1382
1383         if (useinput) {
1384
1385                 error = sonypi_create_input_devices(dev);
1386                 if (error) {
1387                         printk(KERN_ERR
1388                                 "sonypi: failed to create input devices\n");
1389                         goto err_miscdev_unregister;
1390                 }
1391
1392                 spin_lock_init(&sonypi_device.input_fifo_lock);
1393                 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1394                                 GFP_KERNEL);
1395                 if (error) {
1396                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1397                         goto err_inpdev_unregister;
1398                 }
1399
1400                 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1401         }
1402
1403         sonypi_enable(0);
1404
1405         return 0;
1406
1407  err_inpdev_unregister:
1408         input_unregister_device(sonypi_device.input_key_dev);
1409         input_unregister_device(sonypi_device.input_jog_dev);
1410  err_miscdev_unregister:
1411         misc_deregister(&sonypi_misc_device);
1412  err_free_irq:
1413         free_irq(sonypi_device.irq, sonypi_irq);
1414  err_free_ioports:
1415         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1416  err_disable_pcidev:
1417         if (pcidev)
1418                 pci_disable_device(pcidev);
1419  err_put_pcidev:
1420         pci_dev_put(pcidev);
1421         kfifo_free(&sonypi_device.fifo);
1422
1423         return error;
1424 }
1425
1426 static int sonypi_remove(struct platform_device *dev)
1427 {
1428         sonypi_disable();
1429
1430         synchronize_irq(sonypi_device.irq);
1431         flush_work(&sonypi_device.input_work);
1432
1433         if (useinput) {
1434                 input_unregister_device(sonypi_device.input_key_dev);
1435                 input_unregister_device(sonypi_device.input_jog_dev);
1436                 kfifo_free(&sonypi_device.input_fifo);
1437         }
1438
1439         misc_deregister(&sonypi_misc_device);
1440
1441         free_irq(sonypi_device.irq, sonypi_irq);
1442         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1443
1444         if (sonypi_device.dev) {
1445                 pci_disable_device(sonypi_device.dev);
1446                 pci_dev_put(sonypi_device.dev);
1447         }
1448
1449         kfifo_free(&sonypi_device.fifo);
1450
1451         return 0;
1452 }
1453
1454 #ifdef CONFIG_PM_SLEEP
1455 static int old_camera_power;
1456
1457 static int sonypi_suspend(struct device *dev)
1458 {
1459         old_camera_power = sonypi_device.camera_power;
1460         sonypi_disable();
1461
1462         return 0;
1463 }
1464
1465 static int sonypi_resume(struct device *dev)
1466 {
1467         sonypi_enable(old_camera_power);
1468         return 0;
1469 }
1470
1471 static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1472 #define SONYPI_PM       (&sonypi_pm)
1473 #else
1474 #define SONYPI_PM       NULL
1475 #endif
1476
1477 static void sonypi_shutdown(struct platform_device *dev)
1478 {
1479         sonypi_disable();
1480 }
1481
1482 static struct platform_driver sonypi_driver = {
1483         .driver         = {
1484                 .name   = "sonypi",
1485                 .pm     = SONYPI_PM,
1486         },
1487         .probe          = sonypi_probe,
1488         .remove         = sonypi_remove,
1489         .shutdown       = sonypi_shutdown,
1490 };
1491
1492 static struct platform_device *sonypi_platform_device;
1493
1494 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1495         {
1496                 .ident = "Sony Vaio",
1497                 .matches = {
1498                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1499                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1500                 },
1501         },
1502         {
1503                 .ident = "Sony Vaio",
1504                 .matches = {
1505                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1506                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1507                 },
1508         },
1509         { }
1510 };
1511
1512 static int __init sonypi_init(void)
1513 {
1514         int error;
1515
1516         printk(KERN_INFO
1517                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1518                 SONYPI_DRIVER_VERSION);
1519
1520         if (!dmi_check_system(sonypi_dmi_table))
1521                 return -ENODEV;
1522
1523         error = platform_driver_register(&sonypi_driver);
1524         if (error)
1525                 return error;
1526
1527         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1528         if (!sonypi_platform_device) {
1529                 error = -ENOMEM;
1530                 goto err_driver_unregister;
1531         }
1532
1533         error = platform_device_add(sonypi_platform_device);
1534         if (error)
1535                 goto err_free_device;
1536
1537 #ifdef CONFIG_ACPI
1538         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1539                 acpi_driver_registered = 1;
1540 #endif
1541
1542         return 0;
1543
1544  err_free_device:
1545         platform_device_put(sonypi_platform_device);
1546  err_driver_unregister:
1547         platform_driver_unregister(&sonypi_driver);
1548         return error;
1549 }
1550
1551 static void __exit sonypi_exit(void)
1552 {
1553 #ifdef CONFIG_ACPI
1554         if (acpi_driver_registered)
1555                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1556 #endif
1557         platform_device_unregister(sonypi_platform_device);
1558         platform_driver_unregister(&sonypi_driver);
1559         printk(KERN_INFO "sonypi: removed.\n");
1560 }
1561
1562 module_init(sonypi_init);
1563 module_exit(sonypi_exit);