drivers/char/sonypi.c

   1 /*
   2  * Sony Programmable I/O Control Device driver for VAIO
   3  *
   4  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   5  *
   6  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
   7  *
   8  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
   9  *
  10  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  11  *
  12  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  13  *
  14  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  15  *
  16  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  17  *
  18  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  19  *
  20  * This program is free software; you can redistribute it and/or modify
  21  * it under the terms of the GNU General Public License as published by
  22  * the Free Software Foundation; either version 2 of the License, or
  23  * (at your option) any later version.
  24  *
  25  * This program is distributed in the hope that it will be useful,
  26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  * GNU General Public License for more details.
  29  *
  30  * You should have received a copy of the GNU General Public License
  31  * along with this program; if not, write to the Free Software
  32  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  33  *
  34  */
  35
  36 #include <linux/config.h>
  37 #include <linux/module.h>
  38 #include <linux/input.h>
  39 #include <linux/pci.h>
  40 #include <linux/sched.h>
  41 #include <linux/init.h>
  42 #include <linux/interrupt.h>
  43 #include <linux/miscdevice.h>
  44 #include <linux/poll.h>
  45 #include <linux/delay.h>
  46 #include <linux/wait.h>
  47 #include <linux/acpi.h>
  48 #include <linux/dmi.h>
  49 #include <linux/err.h>
  50 #include <linux/kfifo.h>
  51
  52 #include <asm/uaccess.h>
  53 #include <asm/io.h>
  54 #include <asm/system.h>
  55
  56 #include <linux/sonypi.h>
  57
  58 #define SONYPI_DRIVER_VERSION    "1.26"
  59
  60 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  61 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  62 MODULE_LICENSE("GPL");
  63 MODULE_VERSION(SONYPI_DRIVER_VERSION);
  64
  65 static int minor = -1;
  66 module_param(minor, int, 0);
  67 MODULE_PARM_DESC(minor,
  68                  "minor number of the misc device, default is -1 (automatic)");
  69
  70 static int verbose;             /* = 0 */
  71 module_param(verbose, int, 0644);
  72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  73
  74 static int fnkeyinit;           /* = 0 */
  75 module_param(fnkeyinit, int, 0444);
  76 MODULE_PARM_DESC(fnkeyinit,
  77                  "set this if your Fn keys do not generate any event");
  78
  79 static int camera;              /* = 0 */
  80 module_param(camera, int, 0444);
  81 MODULE_PARM_DESC(camera,
  82                  "set this if you have a MotionEye camera (PictureBook series)");
  83
  84 static int compat;              /* = 0 */
  85 module_param(compat, int, 0444);
  86 MODULE_PARM_DESC(compat,
  87                  "set this if you want to enable backward compatibility mode");
  88
  89 static unsigned long mask = 0xffffffff;
  90 module_param(mask, ulong, 0644);
  91 MODULE_PARM_DESC(mask,
  92                  "set this to the mask of event you want to enable (see doc)");
  93
  94 static int useinput = 1;
  95 module_param(useinput, int, 0444);
  96 MODULE_PARM_DESC(useinput,
  97                  "set this if you would like sonypi to feed events to the input subsystem");
  98
  99 #define SONYPI_DEVICE_MODEL_TYPE1       1
 100 #define SONYPI_DEVICE_MODEL_TYPE2       2
 101
 102 /* type1 models use those */
 103 #define SONYPI_IRQ_PORT                 0x8034
 104 #define SONYPI_IRQ_SHIFT                22
 105 #define SONYPI_BASE                     0x50
 106 #define SONYPI_G10A                     (SONYPI_BASE+0x14)
 107 #define SONYPI_TYPE1_REGION_SIZE        0x08
 108 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 109
 110 /* type2 series specifics */
 111 #define SONYPI_SIRQ                     0x9b
 112 #define SONYPI_SLOB                     0x9c
 113 #define SONYPI_SHIB                     0x9d
 114 #define SONYPI_TYPE2_REGION_SIZE        0x20
 115 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 116
 117 /* battery / brightness addresses */
 118 #define SONYPI_BAT_FLAGS        0x81
 119 #define SONYPI_LCD_LIGHT        0x96
 120 #define SONYPI_BAT1_PCTRM       0xa0
 121 #define SONYPI_BAT1_LEFT        0xa2
 122 #define SONYPI_BAT1_MAXRT       0xa4
 123 #define SONYPI_BAT2_PCTRM       0xa8
 124 #define SONYPI_BAT2_LEFT        0xaa
 125 #define SONYPI_BAT2_MAXRT       0xac
 126 #define SONYPI_BAT1_MAXTK       0xb0
 127 #define SONYPI_BAT1_FULL        0xb2
 128 #define SONYPI_BAT2_MAXTK       0xb8
 129 #define SONYPI_BAT2_FULL        0xba
 130
 131 /* FAN0 information (reverse engineered from ACPI tables) */
 132 #define SONYPI_FAN0_STATUS      0x93
 133 #define SONYPI_TEMP_STATUS      0xC1
 134
 135 /* ioports used for brightness and type2 events */
 136 #define SONYPI_DATA_IOPORT      0x62
 137 #define SONYPI_CST_IOPORT       0x66
 138
 139 /* The set of possible ioports */
 140 struct sonypi_ioport_list {
 141         u16     port1;
 142         u16     port2;
 143 };
 144
 145 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 146         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 147         { 0x1080, 0x1084 },
 148         { 0x1090, 0x1094 },
 149         { 0x10a0, 0x10a4 },
 150         { 0x10b0, 0x10b4 },
 151         { 0x0, 0x0 }
 152 };
 153
 154 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 155         { 0x1080, 0x1084 },
 156         { 0x10a0, 0x10a4 },
 157         { 0x10c0, 0x10c4 },
 158         { 0x10e0, 0x10e4 },
 159         { 0x0, 0x0 }
 160 };
 161
 162 /* The set of possible interrupts */
 163 struct sonypi_irq_list {
 164         u16     irq;
 165         u16     bits;
 166 };
 167
 168 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 169         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 170         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 171         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 172         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 173 };
 174
 175 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 176         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 177         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 178         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 179         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 180         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 181 };
 182
 183 #define SONYPI_CAMERA_BRIGHTNESS                0
 184 #define SONYPI_CAMERA_CONTRAST                  1
 185 #define SONYPI_CAMERA_HUE                       2
 186 #define SONYPI_CAMERA_COLOR                     3
 187 #define SONYPI_CAMERA_SHARPNESS                 4
 188
 189 #define SONYPI_CAMERA_PICTURE                   5
 190 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 191 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 192 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 193 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 194
 195 /* the rest don't need a loop until not 0xff */
 196 #define SONYPI_CAMERA_AGC                       6
 197 #define SONYPI_CAMERA_AGC_MASK                  0x30
 198 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 199
 200 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 201 #define SONYPI_CAMERA_CONTROL                   0x10
 202
 203 #define SONYPI_CAMERA_STATUS                    7
 204 #define SONYPI_CAMERA_STATUS_READY              0x2
 205 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 206
 207 #define SONYPI_DIRECTION_BACKWARDS              0x4
 208
 209 #define SONYPI_CAMERA_REVISION                  8
 210 #define SONYPI_CAMERA_ROMVERSION                9
 211
 212 /* Event masks */
 213 #define SONYPI_JOGGER_MASK                      0x00000001
 214 #define SONYPI_CAPTURE_MASK                     0x00000002
 215 #define SONYPI_FNKEY_MASK                       0x00000004
 216 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 217 #define SONYPI_PKEY_MASK                        0x00000010
 218 #define SONYPI_BACK_MASK                        0x00000020
 219 #define SONYPI_HELP_MASK                        0x00000040
 220 #define SONYPI_LID_MASK                         0x00000080
 221 #define SONYPI_ZOOM_MASK                        0x00000100
 222 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 223 #define SONYPI_MEYE_MASK                        0x00000400
 224 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 225 #define SONYPI_BATTERY_MASK                     0x00001000
 226
 227 struct sonypi_event {
 228         u8      data;
 229         u8      event;
 230 };
 231
 232 /* The set of possible button release events */
 233 static struct sonypi_event sonypi_releaseev[] = {
 234         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 235         { 0, 0 }
 236 };
 237
 238 /* The set of possible jogger events  */
 239 static struct sonypi_event sonypi_joggerev[] = {
 240         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 241         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 242         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 243         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 244         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 245         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 246         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 247         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 248         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 249         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 250         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 251         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 252         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 253         { 0, 0 }
 254 };
 255
 256 /* The set of possible capture button events */
 257 static struct sonypi_event sonypi_captureev[] = {
 258         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 259         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 260         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 261         { 0, 0 }
 262 };
 263
 264 /* The set of possible fnkeys events */
 265 static struct sonypi_event sonypi_fnkeyev[] = {
 266         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 267         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 268         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 269         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 270         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 271         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 272         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 273         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 274         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 275         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 276         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 277         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 278         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 279         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 280         { 0x21, SONYPI_EVENT_FNKEY_1 },
 281         { 0x22, SONYPI_EVENT_FNKEY_2 },
 282         { 0x31, SONYPI_EVENT_FNKEY_D },
 283         { 0x32, SONYPI_EVENT_FNKEY_E },
 284         { 0x33, SONYPI_EVENT_FNKEY_F },
 285         { 0x34, SONYPI_EVENT_FNKEY_S },
 286         { 0x35, SONYPI_EVENT_FNKEY_B },
 287         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 288         { 0, 0 }
 289 };
 290
 291 /* The set of possible program key events */
 292 static struct sonypi_event sonypi_pkeyev[] = {
 293         { 0x01, SONYPI_EVENT_PKEY_P1 },
 294         { 0x02, SONYPI_EVENT_PKEY_P2 },
 295         { 0x04, SONYPI_EVENT_PKEY_P3 },
 296         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 297         { 0, 0 }
 298 };
 299
 300 /* The set of possible bluetooth events */
 301 static struct sonypi_event sonypi_blueev[] = {
 302         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 303         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 304         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 305         { 0, 0 }
 306 };
 307
 308 /* The set of possible back button events */
 309 static struct sonypi_event sonypi_backev[] = {
 310         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 311         { 0, 0 }
 312 };
 313
 314 /* The set of possible help button events */
 315 static struct sonypi_event sonypi_helpev[] = {
 316         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 317         { 0, 0 }
 318 };
 319
 320
 321 /* The set of possible lid events */
 322 static struct sonypi_event sonypi_lidev[] = {
 323         { 0x51, SONYPI_EVENT_LID_CLOSED },
 324         { 0x50, SONYPI_EVENT_LID_OPENED },
 325         { 0, 0 }
 326 };
 327
 328 /* The set of possible zoom events */
 329 static struct sonypi_event sonypi_zoomev[] = {
 330         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 331         { 0, 0 }
 332 };
 333
 334 /* The set of possible thumbphrase events */
 335 static struct sonypi_event sonypi_thumbphraseev[] = {
 336         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 337         { 0, 0 }
 338 };
 339
 340 /* The set of possible motioneye camera events */
 341 static struct sonypi_event sonypi_meyeev[] = {
 342         { 0x00, SONYPI_EVENT_MEYE_FACE },
 343         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 344         { 0, 0 }
 345 };
 346
 347 /* The set of possible memorystick events */
 348 static struct sonypi_event sonypi_memorystickev[] = {
 349         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 350         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 351         { 0, 0 }
 352 };
 353
 354 /* The set of possible battery events */
 355 static struct sonypi_event sonypi_batteryev[] = {
 356         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 357         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 358         { 0, 0 }
 359 };
 360
 361 static struct sonypi_eventtypes {
 362         int                     model;
 363         u8                      data;
 364         unsigned long           mask;
 365         struct sonypi_event *   events;
 366 } sonypi_eventtypes[] = {
 367         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 368         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 369         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 370         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 371         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 372         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 373         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 374         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 375         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 376         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 377
 378         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 379         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 380         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 381         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 382         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 383         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 384         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 385         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 386         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_HELP_MASK, sonypi_helpev },
 387         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 388         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 389         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 390         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 391         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 392         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 393
 394         { 0 }
 395 };
 396
 397 #define SONYPI_BUF_SIZE 128
 398
 399 /* The name of the devices for the input device drivers */
 400 #define SONYPI_JOG_INPUTNAME    "Sony Vaio Jogdial"
 401 #define SONYPI_KEY_INPUTNAME    "Sony Vaio Keys"
 402
 403 /* Correspondance table between sonypi events and input layer events */
 404 static struct {
 405         int sonypiev;
 406         int inputev;
 407 } sonypi_inputkeys[] = {
 408         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 409         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 410         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 411         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 412         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 413         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 414         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 415         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 416         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 417         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 418         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 419         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 420         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 421         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 422         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 423         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 424         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 425         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 426         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 427         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 428         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 429         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 430         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 431         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 432         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 433         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 434         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 435         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 436         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 437         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 438         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 439         { 0, 0 },
 440 };
 441
 442 struct sonypi_keypress {
 443         struct input_dev *dev;
 444         int key;
 445 };
 446
 447 static struct sonypi_device {
 448         struct pci_dev *dev;
 449         struct platform_device *pdev;
 450         u16 irq;
 451         u16 bits;
 452         u16 ioport1;
 453         u16 ioport2;
 454         u16 region_size;
 455         u16 evtype_offset;
 456         int camera_power;
 457         int bluetooth_power;
 458         struct semaphore lock;
 459         struct kfifo *fifo;
 460         spinlock_t fifo_lock;
 461         wait_queue_head_t fifo_proc_list;
 462         struct fasync_struct *fifo_async;
 463         int open_count;
 464         int model;
 465         struct input_dev input_jog_dev;
 466         struct input_dev input_key_dev;
 467         struct work_struct input_work;
 468         struct kfifo *input_fifo;
 469         spinlock_t input_fifo_lock;
 470 } sonypi_device;
 471
 472 #define ITERATIONS_LONG         10000
 473 #define ITERATIONS_SHORT        10
 474
 475 #define wait_on_command(quiet, command, iterations) { \
 476         unsigned int n = iterations; \
 477         while (--n && (command)) \
 478                 udelay(1); \
 479         if (!n && (verbose || !quiet)) \
 480                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 481 }
 482
 483 #ifdef CONFIG_ACPI
 484 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 485 #else
 486 #define SONYPI_ACPI_ACTIVE 0
 487 #endif                          /* CONFIG_ACPI */
 488
 489 static int sonypi_ec_write(u8 addr, u8 value)
 490 {
 491 #ifdef CONFIG_ACPI_EC
 492         if (SONYPI_ACPI_ACTIVE)
 493                 return ec_write(addr, value);
 494 #endif
 495         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 496         outb_p(0x81, SONYPI_CST_IOPORT);
 497         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 498         outb_p(addr, SONYPI_DATA_IOPORT);
 499         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 500         outb_p(value, SONYPI_DATA_IOPORT);
 501         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 502         return 0;
 503 }
 504
 505 static int sonypi_ec_read(u8 addr, u8 *value)
 506 {
 507 #ifdef CONFIG_ACPI_EC
 508         if (SONYPI_ACPI_ACTIVE)
 509                 return ec_read(addr, value);
 510 #endif
 511         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 512         outb_p(0x80, SONYPI_CST_IOPORT);
 513         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 514         outb_p(addr, SONYPI_DATA_IOPORT);
 515         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 516         *value = inb_p(SONYPI_DATA_IOPORT);
 517         return 0;
 518 }
 519
 520 static int ec_read16(u8 addr, u16 *value)
 521 {
 522         u8 val_lb, val_hb;
 523         if (sonypi_ec_read(addr, &val_lb))
 524                 return -1;
 525         if (sonypi_ec_read(addr + 1, &val_hb))
 526                 return -1;
 527         *value = val_lb | (val_hb << 8);
 528         return 0;
 529 }
 530
 531 /* Initializes the device - this comes from the AML code in the ACPI bios */
 532 static void sonypi_type1_srs(void)
 533 {
 534         u32 v;
 535
 536         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 537         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 538         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 539
 540         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 541         v = (v & 0xFFF0FFFF) |
 542             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 543         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 544
 545         v = inl(SONYPI_IRQ_PORT);
 546         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 547         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 548         outl(v, SONYPI_IRQ_PORT);
 549
 550         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 551         v = (v & 0xFF1FFFFF) | 0x00C00000;
 552         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 553 }
 554
 555 static void sonypi_type2_srs(void)
 556 {
 557         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 558                 printk(KERN_WARNING "ec_write failed\n");
 559         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 560                 printk(KERN_WARNING "ec_write failed\n");
 561         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 562                 printk(KERN_WARNING "ec_write failed\n");
 563         udelay(10);
 564 }
 565
 566 /* Disables the device - this comes from the AML code in the ACPI bios */
 567 static void sonypi_type1_dis(void)
 568 {
 569         u32 v;
 570
 571         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 572         v = v & 0xFF3FFFFF;
 573         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 574
 575         v = inl(SONYPI_IRQ_PORT);
 576         v |= (0x3 << SONYPI_IRQ_SHIFT);
 577         outl(v, SONYPI_IRQ_PORT);
 578 }
 579
 580 static void sonypi_type2_dis(void)
 581 {
 582         if (sonypi_ec_write(SONYPI_SHIB, 0))
 583                 printk(KERN_WARNING "ec_write failed\n");
 584         if (sonypi_ec_write(SONYPI_SLOB, 0))
 585                 printk(KERN_WARNING "ec_write failed\n");
 586         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 587                 printk(KERN_WARNING "ec_write failed\n");
 588 }
 589
 590 static u8 sonypi_call1(u8 dev)
 591 {
 592         u8 v1, v2;
 593
 594         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 595         outb(dev, sonypi_device.ioport2);
 596         v1 = inb_p(sonypi_device.ioport2);
 597         v2 = inb_p(sonypi_device.ioport1);
 598         return v2;
 599 }
 600
 601 static u8 sonypi_call2(u8 dev, u8 fn)
 602 {
 603         u8 v1;
 604
 605         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 606         outb(dev, sonypi_device.ioport2);
 607         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 608         outb(fn, sonypi_device.ioport1);
 609         v1 = inb_p(sonypi_device.ioport1);
 610         return v1;
 611 }
 612
 613 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 614 {
 615         u8 v1;
 616
 617         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 618         outb(dev, sonypi_device.ioport2);
 619         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 620         outb(fn, sonypi_device.ioport1);
 621         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 622         outb(v, sonypi_device.ioport1);
 623         v1 = inb_p(sonypi_device.ioport1);
 624         return v1;
 625 }
 626
 627 #if 0
 628 /* Get brightness, hue etc. Unreliable... */
 629 static u8 sonypi_read(u8 fn)
 630 {
 631         u8 v1, v2;
 632         int n = 100;
 633
 634         while (n--) {
 635                 v1 = sonypi_call2(0x8f, fn);
 636                 v2 = sonypi_call2(0x8f, fn);
 637                 if (v1 == v2 && v1 != 0xff)
 638                         return v1;
 639         }
 640         return 0xff;
 641 }
 642 #endif
 643
 644 /* Set brightness, hue etc */
 645 static void sonypi_set(u8 fn, u8 v)
 646 {
 647         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 648 }
 649
 650 /* Tests if the camera is ready */
 651 static int sonypi_camera_ready(void)
 652 {
 653         u8 v;
 654
 655         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 656         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 657 }
 658
 659 /* Turns the camera off */
 660 static void sonypi_camera_off(void)
 661 {
 662         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 663
 664         if (!sonypi_device.camera_power)
 665                 return;
 666
 667         sonypi_call2(0x91, 0);
 668         sonypi_device.camera_power = 0;
 669 }
 670
 671 /* Turns the camera on */
 672 static void sonypi_camera_on(void)
 673 {
 674         int i, j;
 675
 676         if (sonypi_device.camera_power)
 677                 return;
 678
 679         for (j = 5; j > 0; j--) {
 680
 681                 while (sonypi_call2(0x91, 0x1))
 682                         msleep(10);
 683                 sonypi_call1(0x93);
 684
 685                 for (i = 400; i > 0; i--) {
 686                         if (sonypi_camera_ready())
 687                                 break;
 688                         msleep(10);
 689                 }
 690                 if (i)
 691                         break;
 692         }
 693
 694         if (j == 0) {
 695                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 696                 return;
 697         }
 698
 699         sonypi_set(0x10, 0x5a);
 700         sonypi_device.camera_power = 1;
 701 }
 702
 703 /* sets the bluetooth subsystem power state */
 704 static void sonypi_setbluetoothpower(u8 state)
 705 {
 706         state = !!state;
 707
 708         if (sonypi_device.bluetooth_power == state)
 709                 return;
 710
 711         sonypi_call2(0x96, state);
 712         sonypi_call1(0x82);
 713         sonypi_device.bluetooth_power = state;
 714 }
 715
 716 static void input_keyrelease(void *data)
 717 {
 718         struct sonypi_keypress kp;
 719
 720         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
 721                          sizeof(kp)) == sizeof(kp)) {
 722                 msleep(10);
 723                 input_report_key(kp.dev, kp.key, 0);
 724                 input_sync(kp.dev);
 725         }
 726 }
 727
 728 static void sonypi_report_input_event(u8 event)
 729 {
 730         struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
 731         struct input_dev *key_dev = &sonypi_device.input_key_dev;
 732         struct sonypi_keypress kp = { NULL };
 733         int i;
 734
 735         switch (event) {
 736         case SONYPI_EVENT_JOGDIAL_UP:
 737         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 738                 input_report_rel(jog_dev, REL_WHEEL, 1);
 739                 input_sync(jog_dev);
 740                 break;
 741
 742         case SONYPI_EVENT_JOGDIAL_DOWN:
 743         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 744                 input_report_rel(jog_dev, REL_WHEEL, -1);
 745                 input_sync(jog_dev);
 746                 break;
 747
 748         case SONYPI_EVENT_JOGDIAL_PRESSED:
 749                 kp.key = BTN_MIDDLE;
 750                 kp.dev = jog_dev;
 751                 break;
 752
 753         case SONYPI_EVENT_FNKEY_RELEASED:
 754                 /* Nothing, not all VAIOs generate this event */
 755                 break;
 756
 757         default:
 758                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 759                         if (event == sonypi_inputkeys[i].sonypiev) {
 760                                 kp.dev = key_dev;
 761                                 kp.key = sonypi_inputkeys[i].inputev;
 762                                 break;
 763                         }
 764                 break;
 765         }
 766
 767         if (kp.dev) {
 768                 input_report_key(kp.dev, kp.key, 1);
 769                 input_sync(kp.dev);
 770                 kfifo_put(sonypi_device.input_fifo,
 771                           (unsigned char *)&kp, sizeof(kp));
 772                 schedule_work(&sonypi_device.input_work);
 773         }
 774 }
 775
 776 /* Interrupt handler: some event is available */
 777 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
 778 {
 779         u8 v1, v2, event = 0;
 780         int i, j;
 781
 782         v1 = inb_p(sonypi_device.ioport1);
 783         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 784
 785         for (i = 0; sonypi_eventtypes[i].model; i++) {
 786                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 787                         continue;
 788                 if ((v2 & sonypi_eventtypes[i].data) !=
 789                     sonypi_eventtypes[i].data)
 790                         continue;
 791                 if (!(mask & sonypi_eventtypes[i].mask))
 792                         continue;
 793                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 794                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 795                                 event = sonypi_eventtypes[i].events[j].event;
 796                                 goto found;
 797                         }
 798                 }
 799         }
 800
 801         if (verbose)
 802                 printk(KERN_WARNING
 803                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 804                        v1, v2);
 805         /* We need to return IRQ_HANDLED here because there *are*
 806          * events belonging to the sonypi device we don't know about,
 807          * but we still don't want those to pollute the logs... */
 808         return IRQ_HANDLED;
 809
 810 found:
 811         if (verbose > 1)
 812                 printk(KERN_INFO
 813                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 814
 815         if (useinput)
 816                 sonypi_report_input_event(event);
 817
 818         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 819         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 820         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 821
 822         return IRQ_HANDLED;
 823 }
 824
 825 /* External camera command (exported to the motion eye v4l driver) */
 826 int sonypi_camera_command(int command, u8 value)
 827 {
 828         if (!camera)
 829                 return -EIO;
 830
 831         down(&sonypi_device.lock);
 832
 833         switch (command) {
 834         case SONYPI_COMMAND_SETCAMERA:
 835                 if (value)
 836                         sonypi_camera_on();
 837                 else
 838                         sonypi_camera_off();
 839                 break;
 840         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 841                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 842                 break;
 843         case SONYPI_COMMAND_SETCAMERACONTRAST:
 844                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 845                 break;
 846         case SONYPI_COMMAND_SETCAMERAHUE:
 847                 sonypi_set(SONYPI_CAMERA_HUE, value);
 848                 break;
 849         case SONYPI_COMMAND_SETCAMERACOLOR:
 850                 sonypi_set(SONYPI_CAMERA_COLOR, value);
 851                 break;
 852         case SONYPI_COMMAND_SETCAMERASHARPNESS:
 853                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 854                 break;
 855         case SONYPI_COMMAND_SETCAMERAPICTURE:
 856                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
 857                 break;
 858         case SONYPI_COMMAND_SETCAMERAAGC:
 859                 sonypi_set(SONYPI_CAMERA_AGC, value);
 860                 break;
 861         default:
 862                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 863                        command);
 864                 break;
 865         }
 866         up(&sonypi_device.lock);
 867         return 0;
 868 }
 869
 870 EXPORT_SYMBOL(sonypi_camera_command);
 871
 872 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 873 {
 874         int retval;
 875
 876         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 877         if (retval < 0)
 878                 return retval;
 879         return 0;
 880 }
 881
 882 static int sonypi_misc_release(struct inode *inode, struct file *file)
 883 {
 884         sonypi_misc_fasync(-1, file, 0);
 885         down(&sonypi_device.lock);
 886         sonypi_device.open_count--;
 887         up(&sonypi_device.lock);
 888         return 0;
 889 }
 890
 891 static int sonypi_misc_open(struct inode *inode, struct file *file)
 892 {
 893         down(&sonypi_device.lock);
 894         /* Flush input queue on first open */
 895         if (!sonypi_device.open_count)
 896                 kfifo_reset(sonypi_device.fifo);
 897         sonypi_device.open_count++;
 898         up(&sonypi_device.lock);
 899         return 0;
 900 }
 901
 902 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 903                                 size_t count, loff_t *pos)
 904 {
 905         ssize_t ret;
 906         unsigned char c;
 907
 908         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 909             (file->f_flags & O_NONBLOCK))
 910                 return -EAGAIN;
 911
 912         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 913                                        kfifo_len(sonypi_device.fifo) != 0);
 914         if (ret)
 915                 return ret;
 916
 917         while (ret < count &&
 918                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 919                 if (put_user(c, buf++))
 920                         return -EFAULT;
 921                 ret++;
 922         }
 923
 924         if (ret > 0) {
 925                 struct inode *inode = file->f_dentry->d_inode;
 926                 inode->i_atime = current_fs_time(inode->i_sb);
 927         }
 928
 929         return ret;
 930 }
 931
 932 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 933 {
 934         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 935         if (kfifo_len(sonypi_device.fifo))
 936                 return POLLIN | POLLRDNORM;
 937         return 0;
 938 }
 939
 940 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 941                              unsigned int cmd, unsigned long arg)
 942 {
 943         int ret = 0;
 944         void __user *argp = (void __user *)arg;
 945         u8 val8;
 946         u16 val16;
 947
 948         down(&sonypi_device.lock);
 949         switch (cmd) {
 950         case SONYPI_IOCGBRT:
 951                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 952                         ret = -EIO;
 953                         break;
 954                 }
 955                 if (copy_to_user(argp, &val8, sizeof(val8)))
 956                         ret = -EFAULT;
 957                 break;
 958         case SONYPI_IOCSBRT:
 959                 if (copy_from_user(&val8, argp, sizeof(val8))) {
 960                         ret = -EFAULT;
 961                         break;
 962                 }
 963                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 964                         ret = -EIO;
 965                 break;
 966         case SONYPI_IOCGBAT1CAP:
 967                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 968                         ret = -EIO;
 969                         break;
 970                 }
 971                 if (copy_to_user(argp, &val16, sizeof(val16)))
 972                         ret = -EFAULT;
 973                 break;
 974         case SONYPI_IOCGBAT1REM:
 975                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 976                         ret = -EIO;
 977                         break;
 978                 }
 979                 if (copy_to_user(argp, &val16, sizeof(val16)))
 980                         ret = -EFAULT;
 981                 break;
 982         case SONYPI_IOCGBAT2CAP:
 983                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
 984                         ret = -EIO;
 985                         break;
 986                 }
 987                 if (copy_to_user(argp, &val16, sizeof(val16)))
 988                         ret = -EFAULT;
 989                 break;
 990         case SONYPI_IOCGBAT2REM:
 991                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
 992                         ret = -EIO;
 993                         break;
 994                 }
 995                 if (copy_to_user(argp, &val16, sizeof(val16)))
 996                         ret = -EFAULT;
 997                 break;
 998         case SONYPI_IOCGBATFLAGS:
 999                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1000                         ret = -EIO;
1001                         break;
1002                 }
1003                 val8 &= 0x07;
1004                 if (copy_to_user(argp, &val8, sizeof(val8)))
1005                         ret = -EFAULT;
1006                 break;
1007         case SONYPI_IOCGBLUE:
1008                 val8 = sonypi_device.bluetooth_power;
1009                 if (copy_to_user(argp, &val8, sizeof(val8)))
1010                         ret = -EFAULT;
1011                 break;
1012         case SONYPI_IOCSBLUE:
1013                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1014                         ret = -EFAULT;
1015                         break;
1016                 }
1017                 sonypi_setbluetoothpower(val8);
1018                 break;
1019         /* FAN Controls */
1020         case SONYPI_IOCGFAN:
1021                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1022                         ret = -EIO;
1023                         break;
1024                 }
1025                 if (copy_to_user(argp, &val8, sizeof(val8)))
1026                         ret = -EFAULT;
1027                 break;
1028         case SONYPI_IOCSFAN:
1029                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1030                         ret = -EFAULT;
1031                         break;
1032                 }
1033                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1034                         ret = -EIO;
1035                 break;
1036         /* GET Temperature (useful under APM) */
1037         case SONYPI_IOCGTEMP:
1038                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1039                         ret = -EIO;
1040                         break;
1041                 }
1042                 if (copy_to_user(argp, &val8, sizeof(val8)))
1043                         ret = -EFAULT;
1044                 break;
1045         default:
1046                 ret = -EINVAL;
1047         }
1048         up(&sonypi_device.lock);
1049         return ret;
1050 }
1051
1052 static struct file_operations sonypi_misc_fops = {
1053         .owner          = THIS_MODULE,
1054         .read           = sonypi_misc_read,
1055         .poll           = sonypi_misc_poll,
1056         .open           = sonypi_misc_open,
1057         .release        = sonypi_misc_release,
1058         .fasync         = sonypi_misc_fasync,
1059         .ioctl          = sonypi_misc_ioctl,
1060 };
1061
1062 static struct miscdevice sonypi_misc_device = {
1063         .minor          = MISC_DYNAMIC_MINOR,
1064         .name           = "sonypi",
1065         .fops           = &sonypi_misc_fops,
1066 };
1067
1068 static void sonypi_enable(unsigned int camera_on)
1069 {
1070         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1071                 sonypi_type2_srs();
1072         else
1073                 sonypi_type1_srs();
1074
1075         sonypi_call1(0x82);
1076         sonypi_call2(0x81, 0xff);
1077         sonypi_call1(compat ? 0x92 : 0x82);
1078
1079         /* Enable ACPI mode to get Fn key events */
1080         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1081                 outb(0xf0, 0xb2);
1082
1083         if (camera && camera_on)
1084                 sonypi_camera_on();
1085 }
1086
1087 static int sonypi_disable(void)
1088 {
1089         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1090         if (camera)
1091                 sonypi_camera_off();
1092
1093         /* disable ACPI mode */
1094         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1095                 outb(0xf1, 0xb2);
1096
1097         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1098                 sonypi_type2_dis();
1099         else
1100                 sonypi_type1_dis();
1101         return 0;
1102 }
1103
1104 #ifdef CONFIG_PM
1105 static int old_camera_power;
1106
1107 static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
1108 {
1109         if (level == SUSPEND_DISABLE) {
1110                 old_camera_power = sonypi_device.camera_power;
1111                 sonypi_disable();
1112         }
1113         return 0;
1114 }
1115
1116 static int sonypi_resume(struct device *dev, u32 level)
1117 {
1118         if (level == RESUME_ENABLE)
1119                 sonypi_enable(old_camera_power);
1120         return 0;
1121 }
1122 #endif
1123
1124 static void sonypi_shutdown(struct device *dev)
1125 {
1126         sonypi_disable();
1127 }
1128
1129 static struct device_driver sonypi_driver = {
1130         .name           = "sonypi",
1131         .bus            = &platform_bus_type,
1132 #ifdef CONFIG_PM
1133         .suspend        = sonypi_suspend,
1134         .resume         = sonypi_resume,
1135 #endif
1136         .shutdown       = sonypi_shutdown,
1137 };
1138
1139 static int __devinit sonypi_probe(void)
1140 {
1141         int i, ret;
1142         struct sonypi_ioport_list *ioport_list;
1143         struct sonypi_irq_list *irq_list;
1144         struct pci_dev *pcidev;
1145
1146         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1147                                 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1148
1149         sonypi_device.dev = pcidev;
1150         sonypi_device.model = pcidev ?
1151                 SONYPI_DEVICE_MODEL_TYPE1 : SONYPI_DEVICE_MODEL_TYPE2;
1152
1153         spin_lock_init(&sonypi_device.fifo_lock);
1154         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1155                                          &sonypi_device.fifo_lock);
1156         if (IS_ERR(sonypi_device.fifo)) {
1157                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1158                 ret = PTR_ERR(sonypi_device.fifo);
1159                 goto out_fifo;
1160         }
1161
1162         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1163         init_MUTEX(&sonypi_device.lock);
1164         sonypi_device.bluetooth_power = -1;
1165
1166         if (pcidev && pci_enable_device(pcidev)) {
1167                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1168                 ret = -EIO;
1169                 goto out_pcienable;
1170         }
1171
1172         if (minor != -1)
1173                 sonypi_misc_device.minor = minor;
1174         if ((ret = misc_register(&sonypi_misc_device))) {
1175                 printk(KERN_ERR "sonypi: misc_register failed\n");
1176                 goto out_miscreg;
1177         }
1178
1179         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1180                 ioport_list = sonypi_type2_ioport_list;
1181                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1182                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1183                 irq_list = sonypi_type2_irq_list;
1184         } else {
1185                 ioport_list = sonypi_type1_ioport_list;
1186                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1187                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1188                 irq_list = sonypi_type1_irq_list;
1189         }
1190
1191         for (i = 0; ioport_list[i].port1; i++) {
1192                 if (request_region(ioport_list[i].port1,
1193                                    sonypi_device.region_size,
1194                                    "Sony Programable I/O Device")) {
1195                         /* get the ioport */
1196                         sonypi_device.ioport1 = ioport_list[i].port1;
1197                         sonypi_device.ioport2 = ioport_list[i].port2;
1198                         break;
1199                 }
1200         }
1201         if (!sonypi_device.ioport1) {
1202                 printk(KERN_ERR "sonypi: request_region failed\n");
1203                 ret = -ENODEV;
1204                 goto out_reqreg;
1205         }
1206
1207         for (i = 0; irq_list[i].irq; i++) {
1208
1209                 sonypi_device.irq = irq_list[i].irq;
1210                 sonypi_device.bits = irq_list[i].bits;
1211
1212                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1213                                  SA_SHIRQ, "sonypi", sonypi_irq))
1214                         break;
1215         }
1216
1217         if (!irq_list[i].irq) {
1218                 printk(KERN_ERR "sonypi: request_irq failed\n");
1219                 ret = -ENODEV;
1220                 goto out_reqirq;
1221         }
1222
1223         if (useinput) {
1224                 /* Initialize the Input Drivers: jogdial */
1225                 int i;
1226                 sonypi_device.input_jog_dev.evbit[0] =
1227                         BIT(EV_KEY) | BIT(EV_REL);
1228                 sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1229                         BIT(BTN_MIDDLE);
1230                 sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1231                 sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
1232                 sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1233                 sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1234
1235                 input_register_device(&sonypi_device.input_jog_dev);
1236                 printk(KERN_INFO "%s input method installed.\n",
1237                        sonypi_device.input_jog_dev.name);
1238
1239                 /* Initialize the Input Drivers: special keys */
1240                 sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1241                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1242                         if (sonypi_inputkeys[i].inputev)
1243                                 set_bit(sonypi_inputkeys[i].inputev,
1244                                         sonypi_device.input_key_dev.keybit);
1245                 sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
1246                 sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1247                 sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1248
1249                 input_register_device(&sonypi_device.input_key_dev);
1250                 printk(KERN_INFO "%s input method installed.\n",
1251                        sonypi_device.input_key_dev.name);
1252
1253                 spin_lock_init(&sonypi_device.input_fifo_lock);
1254                 sonypi_device.input_fifo =
1255                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1256                                     &sonypi_device.input_fifo_lock);
1257                 if (IS_ERR(sonypi_device.input_fifo)) {
1258                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1259                         ret = PTR_ERR(sonypi_device.input_fifo);
1260                         goto out_infifo;
1261                 }
1262
1263                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1264         }
1265
1266         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1267                                                              NULL, 0);
1268         if (IS_ERR(sonypi_device.pdev)) {
1269                 ret = PTR_ERR(sonypi_device.pdev);
1270                 goto out_platformdev;
1271         }
1272
1273         sonypi_enable(0);
1274
1275         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1276                "v%s.\n", SONYPI_DRIVER_VERSION);
1277         printk(KERN_INFO "sonypi: detected %s model, "
1278                "verbose = %d, fnkeyinit = %s, camera = %s, "
1279                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1280                (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) ?
1281                         "type1" : "type2",
1282                verbose,
1283                fnkeyinit ? "on" : "off",
1284                camera ? "on" : "off",
1285                compat ? "on" : "off",
1286                mask,
1287                useinput ? "on" : "off",
1288                SONYPI_ACPI_ACTIVE ? "on" : "off");
1289         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1290                sonypi_device.irq,
1291                sonypi_device.ioport1, sonypi_device.ioport2);
1292
1293         if (minor == -1)
1294                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1295                        sonypi_misc_device.minor);
1296
1297         return 0;
1298
1299 out_platformdev:
1300         kfifo_free(sonypi_device.input_fifo);
1301 out_infifo:
1302         input_unregister_device(&sonypi_device.input_key_dev);
1303         input_unregister_device(&sonypi_device.input_jog_dev);
1304         free_irq(sonypi_device.irq, sonypi_irq);
1305 out_reqirq:
1306         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1307 out_reqreg:
1308         misc_deregister(&sonypi_misc_device);
1309 out_miscreg:
1310         if (pcidev)
1311                 pci_disable_device(pcidev);
1312 out_pcienable:
1313         kfifo_free(sonypi_device.fifo);
1314 out_fifo:
1315         pci_dev_put(sonypi_device.dev);
1316         return ret;
1317 }
1318
1319 static void __devexit sonypi_remove(void)
1320 {
1321         sonypi_disable();
1322
1323         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1324         flush_scheduled_work();
1325
1326         platform_device_unregister(sonypi_device.pdev);
1327
1328         if (useinput) {
1329                 input_unregister_device(&sonypi_device.input_key_dev);
1330                 input_unregister_device(&sonypi_device.input_jog_dev);
1331                 kfifo_free(sonypi_device.input_fifo);
1332         }
1333
1334         free_irq(sonypi_device.irq, sonypi_irq);
1335         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1336         misc_deregister(&sonypi_misc_device);
1337         if (sonypi_device.dev)
1338                 pci_disable_device(sonypi_device.dev);
1339         kfifo_free(sonypi_device.fifo);
1340         pci_dev_put(sonypi_device.dev);
1341         printk(KERN_INFO "sonypi: removed.\n");
1342 }
1343
1344 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1345         {
1346                 .ident = "Sony Vaio",
1347                 .matches = {
1348                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1349                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1350                 },
1351         },
1352         {
1353                 .ident = "Sony Vaio",
1354                 .matches = {
1355                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1356                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1357                 },
1358         },
1359         { }
1360 };
1361
1362 static int __init sonypi_init(void)
1363 {
1364         int ret;
1365
1366         if (!dmi_check_system(sonypi_dmi_table))
1367                 return -ENODEV;
1368
1369         ret = driver_register(&sonypi_driver);
1370         if (ret)
1371                 return ret;
1372
1373         ret = sonypi_probe();
1374         if (ret)
1375                 driver_unregister(&sonypi_driver);
1376
1377         return ret;
1378 }
1379
1380 static void __exit sonypi_exit(void)
1381 {
1382         driver_unregister(&sonypi_driver);
1383         sonypi_remove();
1384 }
1385
1386 module_init(sonypi_init);
1387 module_exit(sonypi_exit);