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 #define SONYPI_DEVICE_MODEL_TYPE3       3
 102
 103 /* type1 models use those */
 104 #define SONYPI_IRQ_PORT                 0x8034
 105 #define SONYPI_IRQ_SHIFT                22
 106 #define SONYPI_TYPE1_BASE               0x50
 107 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 108 #define SONYPI_TYPE1_REGION_SIZE        0x08
 109 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 110
 111 /* type2 series specifics */
 112 #define SONYPI_SIRQ                     0x9b
 113 #define SONYPI_SLOB                     0x9c
 114 #define SONYPI_SHIB                     0x9d
 115 #define SONYPI_TYPE2_REGION_SIZE        0x20
 116 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 117
 118 /* type3 series specifics */
 119 #define SONYPI_TYPE3_BASE               0x40
 120 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 121 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 122 #define SONYPI_TYPE3_REGION_SIZE        0x20
 123 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 124
 125 /* battery / brightness addresses */
 126 #define SONYPI_BAT_FLAGS        0x81
 127 #define SONYPI_LCD_LIGHT        0x96
 128 #define SONYPI_BAT1_PCTRM       0xa0
 129 #define SONYPI_BAT1_LEFT        0xa2
 130 #define SONYPI_BAT1_MAXRT       0xa4
 131 #define SONYPI_BAT2_PCTRM       0xa8
 132 #define SONYPI_BAT2_LEFT        0xaa
 133 #define SONYPI_BAT2_MAXRT       0xac
 134 #define SONYPI_BAT1_MAXTK       0xb0
 135 #define SONYPI_BAT1_FULL        0xb2
 136 #define SONYPI_BAT2_MAXTK       0xb8
 137 #define SONYPI_BAT2_FULL        0xba
 138
 139 /* FAN0 information (reverse engineered from ACPI tables) */
 140 #define SONYPI_FAN0_STATUS      0x93
 141 #define SONYPI_TEMP_STATUS      0xC1
 142
 143 /* ioports used for brightness and type2 events */
 144 #define SONYPI_DATA_IOPORT      0x62
 145 #define SONYPI_CST_IOPORT       0x66
 146
 147 /* The set of possible ioports */
 148 struct sonypi_ioport_list {
 149         u16     port1;
 150         u16     port2;
 151 };
 152
 153 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 154         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 155         { 0x1080, 0x1084 },
 156         { 0x1090, 0x1094 },
 157         { 0x10a0, 0x10a4 },
 158         { 0x10b0, 0x10b4 },
 159         { 0x0, 0x0 }
 160 };
 161
 162 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 163         { 0x1080, 0x1084 },
 164         { 0x10a0, 0x10a4 },
 165         { 0x10c0, 0x10c4 },
 166         { 0x10e0, 0x10e4 },
 167         { 0x0, 0x0 }
 168 };
 169
 170 /* same as in type 2 models */
 171 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 172         sonypi_type2_ioport_list;
 173
 174 /* The set of possible interrupts */
 175 struct sonypi_irq_list {
 176         u16     irq;
 177         u16     bits;
 178 };
 179
 180 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 181         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 182         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 183         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 184         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 185 };
 186
 187 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 188         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 189         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 190         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 191         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 192         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 193 };
 194
 195 /* same as in type2 models */
 196 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 197
 198 #define SONYPI_CAMERA_BRIGHTNESS                0
 199 #define SONYPI_CAMERA_CONTRAST                  1
 200 #define SONYPI_CAMERA_HUE                       2
 201 #define SONYPI_CAMERA_COLOR                     3
 202 #define SONYPI_CAMERA_SHARPNESS                 4
 203
 204 #define SONYPI_CAMERA_PICTURE                   5
 205 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 206 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 207 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 208 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 209
 210 /* the rest don't need a loop until not 0xff */
 211 #define SONYPI_CAMERA_AGC                       6
 212 #define SONYPI_CAMERA_AGC_MASK                  0x30
 213 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 214
 215 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 216 #define SONYPI_CAMERA_CONTROL                   0x10
 217
 218 #define SONYPI_CAMERA_STATUS                    7
 219 #define SONYPI_CAMERA_STATUS_READY              0x2
 220 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 221
 222 #define SONYPI_DIRECTION_BACKWARDS              0x4
 223
 224 #define SONYPI_CAMERA_REVISION                  8
 225 #define SONYPI_CAMERA_ROMVERSION                9
 226
 227 /* Event masks */
 228 #define SONYPI_JOGGER_MASK                      0x00000001
 229 #define SONYPI_CAPTURE_MASK                     0x00000002
 230 #define SONYPI_FNKEY_MASK                       0x00000004
 231 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 232 #define SONYPI_PKEY_MASK                        0x00000010
 233 #define SONYPI_BACK_MASK                        0x00000020
 234 #define SONYPI_HELP_MASK                        0x00000040
 235 #define SONYPI_LID_MASK                         0x00000080
 236 #define SONYPI_ZOOM_MASK                        0x00000100
 237 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 238 #define SONYPI_MEYE_MASK                        0x00000400
 239 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 240 #define SONYPI_BATTERY_MASK                     0x00001000
 241 #define SONYPI_WIRELESS_MASK                    0x00002000
 242
 243 struct sonypi_event {
 244         u8      data;
 245         u8      event;
 246 };
 247
 248 /* The set of possible button release events */
 249 static struct sonypi_event sonypi_releaseev[] = {
 250         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 251         { 0, 0 }
 252 };
 253
 254 /* The set of possible jogger events  */
 255 static struct sonypi_event sonypi_joggerev[] = {
 256         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 257         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 258         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 259         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 260         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 261         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 262         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 263         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 264         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 265         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 266         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 267         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 268         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 269         { 0, 0 }
 270 };
 271
 272 /* The set of possible capture button events */
 273 static struct sonypi_event sonypi_captureev[] = {
 274         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 275         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 276         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 277         { 0, 0 }
 278 };
 279
 280 /* The set of possible fnkeys events */
 281 static struct sonypi_event sonypi_fnkeyev[] = {
 282         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 283         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 284         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 285         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 286         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 287         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 288         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 289         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 290         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 291         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 292         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 293         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 294         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 295         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 296         { 0x21, SONYPI_EVENT_FNKEY_1 },
 297         { 0x22, SONYPI_EVENT_FNKEY_2 },
 298         { 0x31, SONYPI_EVENT_FNKEY_D },
 299         { 0x32, SONYPI_EVENT_FNKEY_E },
 300         { 0x33, SONYPI_EVENT_FNKEY_F },
 301         { 0x34, SONYPI_EVENT_FNKEY_S },
 302         { 0x35, SONYPI_EVENT_FNKEY_B },
 303         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 304         { 0, 0 }
 305 };
 306
 307 /* The set of possible program key events */
 308 static struct sonypi_event sonypi_pkeyev[] = {
 309         { 0x01, SONYPI_EVENT_PKEY_P1 },
 310         { 0x02, SONYPI_EVENT_PKEY_P2 },
 311         { 0x04, SONYPI_EVENT_PKEY_P3 },
 312         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 313         { 0, 0 }
 314 };
 315
 316 /* The set of possible bluetooth events */
 317 static struct sonypi_event sonypi_blueev[] = {
 318         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 319         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 320         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 321         { 0, 0 }
 322 };
 323
 324 /* The set of possible wireless events */
 325 static struct sonypi_event sonypi_wlessev[] = {
 326         { 0x59, SONYPI_EVENT_WIRELESS_ON },
 327         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 328         { 0, 0 }
 329 };
 330
 331 /* The set of possible back button events */
 332 static struct sonypi_event sonypi_backev[] = {
 333         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 334         { 0, 0 }
 335 };
 336
 337 /* The set of possible help button events */
 338 static struct sonypi_event sonypi_helpev[] = {
 339         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 340         { 0, 0 }
 341 };
 342
 343
 344 /* The set of possible lid events */
 345 static struct sonypi_event sonypi_lidev[] = {
 346         { 0x51, SONYPI_EVENT_LID_CLOSED },
 347         { 0x50, SONYPI_EVENT_LID_OPENED },
 348         { 0, 0 }
 349 };
 350
 351 /* The set of possible zoom events */
 352 static struct sonypi_event sonypi_zoomev[] = {
 353         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 354         { 0, 0 }
 355 };
 356
 357 /* The set of possible thumbphrase events */
 358 static struct sonypi_event sonypi_thumbphraseev[] = {
 359         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 360         { 0, 0 }
 361 };
 362
 363 /* The set of possible motioneye camera events */
 364 static struct sonypi_event sonypi_meyeev[] = {
 365         { 0x00, SONYPI_EVENT_MEYE_FACE },
 366         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 367         { 0, 0 }
 368 };
 369
 370 /* The set of possible memorystick events */
 371 static struct sonypi_event sonypi_memorystickev[] = {
 372         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 373         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 374         { 0, 0 }
 375 };
 376
 377 /* The set of possible battery events */
 378 static struct sonypi_event sonypi_batteryev[] = {
 379         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 380         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 381         { 0, 0 }
 382 };
 383
 384 static struct sonypi_eventtypes {
 385         int                     model;
 386         u8                      data;
 387         unsigned long           mask;
 388         struct sonypi_event *   events;
 389 } sonypi_eventtypes[] = {
 390         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 391         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 392         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 393         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 394         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 395         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 396         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 397         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 398         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 399         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 400
 401         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 402         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 403         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 404         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 405         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 406         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 407         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 408         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 409         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 410         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 411         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 412         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 413         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 414         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 415
 416         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 417         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 418         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 419         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 420         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 421         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 422         { 0 }
 423 };
 424
 425 #define SONYPI_BUF_SIZE 128
 426
 427 /* Correspondance table between sonypi events and input layer events */
 428 static struct {
 429         int sonypiev;
 430         int inputev;
 431 } sonypi_inputkeys[] = {
 432         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 433         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 434         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 435         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 436         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 437         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 438         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 439         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 440         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 441         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 442         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 443         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 444         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 445         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 446         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 447         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 448         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 449         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 450         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 451         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 452         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 453         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 454         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 455         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 456         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 457         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 458         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 459         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 460         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 461         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 462         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 463         { 0, 0 },
 464 };
 465
 466 struct sonypi_keypress {
 467         struct input_dev *dev;
 468         int key;
 469 };
 470
 471 static struct sonypi_device {
 472         struct pci_dev *dev;
 473         struct platform_device *pdev;
 474         u16 irq;
 475         u16 bits;
 476         u16 ioport1;
 477         u16 ioport2;
 478         u16 region_size;
 479         u16 evtype_offset;
 480         int camera_power;
 481         int bluetooth_power;
 482         struct semaphore lock;
 483         struct kfifo *fifo;
 484         spinlock_t fifo_lock;
 485         wait_queue_head_t fifo_proc_list;
 486         struct fasync_struct *fifo_async;
 487         int open_count;
 488         int model;
 489         struct input_dev *input_jog_dev;
 490         struct input_dev *input_key_dev;
 491         struct work_struct input_work;
 492         struct kfifo *input_fifo;
 493         spinlock_t input_fifo_lock;
 494 } sonypi_device;
 495
 496 #define ITERATIONS_LONG         10000
 497 #define ITERATIONS_SHORT        10
 498
 499 #define wait_on_command(quiet, command, iterations) { \
 500         unsigned int n = iterations; \
 501         while (--n && (command)) \
 502                 udelay(1); \
 503         if (!n && (verbose || !quiet)) \
 504                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 505 }
 506
 507 #ifdef CONFIG_ACPI
 508 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 509 #else
 510 #define SONYPI_ACPI_ACTIVE 0
 511 #endif                          /* CONFIG_ACPI */
 512
 513 static int sonypi_ec_write(u8 addr, u8 value)
 514 {
 515 #ifdef CONFIG_ACPI_EC
 516         if (SONYPI_ACPI_ACTIVE)
 517                 return ec_write(addr, value);
 518 #endif
 519         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 520         outb_p(0x81, SONYPI_CST_IOPORT);
 521         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 522         outb_p(addr, SONYPI_DATA_IOPORT);
 523         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 524         outb_p(value, SONYPI_DATA_IOPORT);
 525         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 526         return 0;
 527 }
 528
 529 static int sonypi_ec_read(u8 addr, u8 *value)
 530 {
 531 #ifdef CONFIG_ACPI_EC
 532         if (SONYPI_ACPI_ACTIVE)
 533                 return ec_read(addr, value);
 534 #endif
 535         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 536         outb_p(0x80, SONYPI_CST_IOPORT);
 537         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 538         outb_p(addr, SONYPI_DATA_IOPORT);
 539         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 540         *value = inb_p(SONYPI_DATA_IOPORT);
 541         return 0;
 542 }
 543
 544 static int ec_read16(u8 addr, u16 *value)
 545 {
 546         u8 val_lb, val_hb;
 547         if (sonypi_ec_read(addr, &val_lb))
 548                 return -1;
 549         if (sonypi_ec_read(addr + 1, &val_hb))
 550                 return -1;
 551         *value = val_lb | (val_hb << 8);
 552         return 0;
 553 }
 554
 555 /* Initializes the device - this comes from the AML code in the ACPI bios */
 556 static void sonypi_type1_srs(void)
 557 {
 558         u32 v;
 559
 560         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 561         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 562         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 563
 564         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 565         v = (v & 0xFFF0FFFF) |
 566             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 567         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 568
 569         v = inl(SONYPI_IRQ_PORT);
 570         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 571         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 572         outl(v, SONYPI_IRQ_PORT);
 573
 574         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 575         v = (v & 0xFF1FFFFF) | 0x00C00000;
 576         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 577 }
 578
 579 static void sonypi_type2_srs(void)
 580 {
 581         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 582                 printk(KERN_WARNING "ec_write failed\n");
 583         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 584                 printk(KERN_WARNING "ec_write failed\n");
 585         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 586                 printk(KERN_WARNING "ec_write failed\n");
 587         udelay(10);
 588 }
 589
 590 static void sonypi_type3_srs(void)
 591 {
 592         u16 v16;
 593         u8  v8;
 594
 595         /* This model type uses the same initialiazation of
 596          * the embedded controller as the type2 models. */
 597         sonypi_type2_srs();
 598
 599         /* Initialization of PCI config space of the LPC interface bridge. */
 600         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 601         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 602         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 603         v8 = (v8 & 0xCF) | 0x10;
 604         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 605 }
 606
 607 /* Disables the device - this comes from the AML code in the ACPI bios */
 608 static void sonypi_type1_dis(void)
 609 {
 610         u32 v;
 611
 612         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 613         v = v & 0xFF3FFFFF;
 614         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 615
 616         v = inl(SONYPI_IRQ_PORT);
 617         v |= (0x3 << SONYPI_IRQ_SHIFT);
 618         outl(v, SONYPI_IRQ_PORT);
 619 }
 620
 621 static void sonypi_type2_dis(void)
 622 {
 623         if (sonypi_ec_write(SONYPI_SHIB, 0))
 624                 printk(KERN_WARNING "ec_write failed\n");
 625         if (sonypi_ec_write(SONYPI_SLOB, 0))
 626                 printk(KERN_WARNING "ec_write failed\n");
 627         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 628                 printk(KERN_WARNING "ec_write failed\n");
 629 }
 630
 631 static void sonypi_type3_dis(void)
 632 {
 633         sonypi_type2_dis();
 634         udelay(10);
 635         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 636 }
 637
 638 static u8 sonypi_call1(u8 dev)
 639 {
 640         u8 v1, v2;
 641
 642         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 643         outb(dev, sonypi_device.ioport2);
 644         v1 = inb_p(sonypi_device.ioport2);
 645         v2 = inb_p(sonypi_device.ioport1);
 646         return v2;
 647 }
 648
 649 static u8 sonypi_call2(u8 dev, u8 fn)
 650 {
 651         u8 v1;
 652
 653         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 654         outb(dev, sonypi_device.ioport2);
 655         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 656         outb(fn, sonypi_device.ioport1);
 657         v1 = inb_p(sonypi_device.ioport1);
 658         return v1;
 659 }
 660
 661 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 662 {
 663         u8 v1;
 664
 665         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 666         outb(dev, sonypi_device.ioport2);
 667         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 668         outb(fn, sonypi_device.ioport1);
 669         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 670         outb(v, sonypi_device.ioport1);
 671         v1 = inb_p(sonypi_device.ioport1);
 672         return v1;
 673 }
 674
 675 #if 0
 676 /* Get brightness, hue etc. Unreliable... */
 677 static u8 sonypi_read(u8 fn)
 678 {
 679         u8 v1, v2;
 680         int n = 100;
 681
 682         while (n--) {
 683                 v1 = sonypi_call2(0x8f, fn);
 684                 v2 = sonypi_call2(0x8f, fn);
 685                 if (v1 == v2 && v1 != 0xff)
 686                         return v1;
 687         }
 688         return 0xff;
 689 }
 690 #endif
 691
 692 /* Set brightness, hue etc */
 693 static void sonypi_set(u8 fn, u8 v)
 694 {
 695         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 696 }
 697
 698 /* Tests if the camera is ready */
 699 static int sonypi_camera_ready(void)
 700 {
 701         u8 v;
 702
 703         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 704         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 705 }
 706
 707 /* Turns the camera off */
 708 static void sonypi_camera_off(void)
 709 {
 710         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 711
 712         if (!sonypi_device.camera_power)
 713                 return;
 714
 715         sonypi_call2(0x91, 0);
 716         sonypi_device.camera_power = 0;
 717 }
 718
 719 /* Turns the camera on */
 720 static void sonypi_camera_on(void)
 721 {
 722         int i, j;
 723
 724         if (sonypi_device.camera_power)
 725                 return;
 726
 727         for (j = 5; j > 0; j--) {
 728
 729                 while (sonypi_call2(0x91, 0x1))
 730                         msleep(10);
 731                 sonypi_call1(0x93);
 732
 733                 for (i = 400; i > 0; i--) {
 734                         if (sonypi_camera_ready())
 735                                 break;
 736                         msleep(10);
 737                 }
 738                 if (i)
 739                         break;
 740         }
 741
 742         if (j == 0) {
 743                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 744                 return;
 745         }
 746
 747         sonypi_set(0x10, 0x5a);
 748         sonypi_device.camera_power = 1;
 749 }
 750
 751 /* sets the bluetooth subsystem power state */
 752 static void sonypi_setbluetoothpower(u8 state)
 753 {
 754         state = !!state;
 755
 756         if (sonypi_device.bluetooth_power == state)
 757                 return;
 758
 759         sonypi_call2(0x96, state);
 760         sonypi_call1(0x82);
 761         sonypi_device.bluetooth_power = state;
 762 }
 763
 764 static void input_keyrelease(void *data)
 765 {
 766         struct sonypi_keypress kp;
 767
 768         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
 769                          sizeof(kp)) == sizeof(kp)) {
 770                 msleep(10);
 771                 input_report_key(kp.dev, kp.key, 0);
 772                 input_sync(kp.dev);
 773         }
 774 }
 775
 776 static void sonypi_report_input_event(u8 event)
 777 {
 778         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 779         struct input_dev *key_dev = sonypi_device.input_key_dev;
 780         struct sonypi_keypress kp = { NULL };
 781         int i;
 782
 783         switch (event) {
 784         case SONYPI_EVENT_JOGDIAL_UP:
 785         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 786                 input_report_rel(jog_dev, REL_WHEEL, 1);
 787                 input_sync(jog_dev);
 788                 break;
 789
 790         case SONYPI_EVENT_JOGDIAL_DOWN:
 791         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 792                 input_report_rel(jog_dev, REL_WHEEL, -1);
 793                 input_sync(jog_dev);
 794                 break;
 795
 796         case SONYPI_EVENT_JOGDIAL_PRESSED:
 797                 kp.key = BTN_MIDDLE;
 798                 kp.dev = jog_dev;
 799                 break;
 800
 801         case SONYPI_EVENT_FNKEY_RELEASED:
 802                 /* Nothing, not all VAIOs generate this event */
 803                 break;
 804
 805         default:
 806                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 807                         if (event == sonypi_inputkeys[i].sonypiev) {
 808                                 kp.dev = key_dev;
 809                                 kp.key = sonypi_inputkeys[i].inputev;
 810                                 break;
 811                         }
 812                 break;
 813         }
 814
 815         if (kp.dev) {
 816                 input_report_key(kp.dev, kp.key, 1);
 817                 input_sync(kp.dev);
 818                 kfifo_put(sonypi_device.input_fifo,
 819                           (unsigned char *)&kp, sizeof(kp));
 820                 schedule_work(&sonypi_device.input_work);
 821         }
 822 }
 823
 824 /* Interrupt handler: some event is available */
 825 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
 826 {
 827         u8 v1, v2, event = 0;
 828         int i, j;
 829
 830         v1 = inb_p(sonypi_device.ioport1);
 831         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 832
 833         for (i = 0; sonypi_eventtypes[i].model; i++) {
 834                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 835                         continue;
 836                 if ((v2 & sonypi_eventtypes[i].data) !=
 837                     sonypi_eventtypes[i].data)
 838                         continue;
 839                 if (!(mask & sonypi_eventtypes[i].mask))
 840                         continue;
 841                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 842                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 843                                 event = sonypi_eventtypes[i].events[j].event;
 844                                 goto found;
 845                         }
 846                 }
 847         }
 848
 849         if (verbose)
 850                 printk(KERN_WARNING
 851                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 852                        v1, v2);
 853         /* We need to return IRQ_HANDLED here because there *are*
 854          * events belonging to the sonypi device we don't know about,
 855          * but we still don't want those to pollute the logs... */
 856         return IRQ_HANDLED;
 857
 858 found:
 859         if (verbose > 1)
 860                 printk(KERN_INFO
 861                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 862
 863         if (useinput)
 864                 sonypi_report_input_event(event);
 865
 866         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 867         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 868         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 869
 870         return IRQ_HANDLED;
 871 }
 872
 873 /* External camera command (exported to the motion eye v4l driver) */
 874 int sonypi_camera_command(int command, u8 value)
 875 {
 876         if (!camera)
 877                 return -EIO;
 878
 879         down(&sonypi_device.lock);
 880
 881         switch (command) {
 882         case SONYPI_COMMAND_SETCAMERA:
 883                 if (value)
 884                         sonypi_camera_on();
 885                 else
 886                         sonypi_camera_off();
 887                 break;
 888         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 889                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 890                 break;
 891         case SONYPI_COMMAND_SETCAMERACONTRAST:
 892                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 893                 break;
 894         case SONYPI_COMMAND_SETCAMERAHUE:
 895                 sonypi_set(SONYPI_CAMERA_HUE, value);
 896                 break;
 897         case SONYPI_COMMAND_SETCAMERACOLOR:
 898                 sonypi_set(SONYPI_CAMERA_COLOR, value);
 899                 break;
 900         case SONYPI_COMMAND_SETCAMERASHARPNESS:
 901                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 902                 break;
 903         case SONYPI_COMMAND_SETCAMERAPICTURE:
 904                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
 905                 break;
 906         case SONYPI_COMMAND_SETCAMERAAGC:
 907                 sonypi_set(SONYPI_CAMERA_AGC, value);
 908                 break;
 909         default:
 910                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 911                        command);
 912                 break;
 913         }
 914         up(&sonypi_device.lock);
 915         return 0;
 916 }
 917
 918 EXPORT_SYMBOL(sonypi_camera_command);
 919
 920 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 921 {
 922         int retval;
 923
 924         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 925         if (retval < 0)
 926                 return retval;
 927         return 0;
 928 }
 929
 930 static int sonypi_misc_release(struct inode *inode, struct file *file)
 931 {
 932         sonypi_misc_fasync(-1, file, 0);
 933         down(&sonypi_device.lock);
 934         sonypi_device.open_count--;
 935         up(&sonypi_device.lock);
 936         return 0;
 937 }
 938
 939 static int sonypi_misc_open(struct inode *inode, struct file *file)
 940 {
 941         down(&sonypi_device.lock);
 942         /* Flush input queue on first open */
 943         if (!sonypi_device.open_count)
 944                 kfifo_reset(sonypi_device.fifo);
 945         sonypi_device.open_count++;
 946         up(&sonypi_device.lock);
 947         return 0;
 948 }
 949
 950 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 951                                 size_t count, loff_t *pos)
 952 {
 953         ssize_t ret;
 954         unsigned char c;
 955
 956         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 957             (file->f_flags & O_NONBLOCK))
 958                 return -EAGAIN;
 959
 960         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 961                                        kfifo_len(sonypi_device.fifo) != 0);
 962         if (ret)
 963                 return ret;
 964
 965         while (ret < count &&
 966                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 967                 if (put_user(c, buf++))
 968                         return -EFAULT;
 969                 ret++;
 970         }
 971
 972         if (ret > 0) {
 973                 struct inode *inode = file->f_dentry->d_inode;
 974                 inode->i_atime = current_fs_time(inode->i_sb);
 975         }
 976
 977         return ret;
 978 }
 979
 980 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 981 {
 982         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 983         if (kfifo_len(sonypi_device.fifo))
 984                 return POLLIN | POLLRDNORM;
 985         return 0;
 986 }
 987
 988 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 989                              unsigned int cmd, unsigned long arg)
 990 {
 991         int ret = 0;
 992         void __user *argp = (void __user *)arg;
 993         u8 val8;
 994         u16 val16;
 995
 996         down(&sonypi_device.lock);
 997         switch (cmd) {
 998         case SONYPI_IOCGBRT:
 999                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1000                         ret = -EIO;
1001                         break;
1002                 }
1003                 if (copy_to_user(argp, &val8, sizeof(val8)))
1004                         ret = -EFAULT;
1005                 break;
1006         case SONYPI_IOCSBRT:
1007                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1008                         ret = -EFAULT;
1009                         break;
1010                 }
1011                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1012                         ret = -EIO;
1013                 break;
1014         case SONYPI_IOCGBAT1CAP:
1015                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1016                         ret = -EIO;
1017                         break;
1018                 }
1019                 if (copy_to_user(argp, &val16, sizeof(val16)))
1020                         ret = -EFAULT;
1021                 break;
1022         case SONYPI_IOCGBAT1REM:
1023                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1024                         ret = -EIO;
1025                         break;
1026                 }
1027                 if (copy_to_user(argp, &val16, sizeof(val16)))
1028                         ret = -EFAULT;
1029                 break;
1030         case SONYPI_IOCGBAT2CAP:
1031                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1032                         ret = -EIO;
1033                         break;
1034                 }
1035                 if (copy_to_user(argp, &val16, sizeof(val16)))
1036                         ret = -EFAULT;
1037                 break;
1038         case SONYPI_IOCGBAT2REM:
1039                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1040                         ret = -EIO;
1041                         break;
1042                 }
1043                 if (copy_to_user(argp, &val16, sizeof(val16)))
1044                         ret = -EFAULT;
1045                 break;
1046         case SONYPI_IOCGBATFLAGS:
1047                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1048                         ret = -EIO;
1049                         break;
1050                 }
1051                 val8 &= 0x07;
1052                 if (copy_to_user(argp, &val8, sizeof(val8)))
1053                         ret = -EFAULT;
1054                 break;
1055         case SONYPI_IOCGBLUE:
1056                 val8 = sonypi_device.bluetooth_power;
1057                 if (copy_to_user(argp, &val8, sizeof(val8)))
1058                         ret = -EFAULT;
1059                 break;
1060         case SONYPI_IOCSBLUE:
1061                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1062                         ret = -EFAULT;
1063                         break;
1064                 }
1065                 sonypi_setbluetoothpower(val8);
1066                 break;
1067         /* FAN Controls */
1068         case SONYPI_IOCGFAN:
1069                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1070                         ret = -EIO;
1071                         break;
1072                 }
1073                 if (copy_to_user(argp, &val8, sizeof(val8)))
1074                         ret = -EFAULT;
1075                 break;
1076         case SONYPI_IOCSFAN:
1077                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1078                         ret = -EFAULT;
1079                         break;
1080                 }
1081                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1082                         ret = -EIO;
1083                 break;
1084         /* GET Temperature (useful under APM) */
1085         case SONYPI_IOCGTEMP:
1086                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1087                         ret = -EIO;
1088                         break;
1089                 }
1090                 if (copy_to_user(argp, &val8, sizeof(val8)))
1091                         ret = -EFAULT;
1092                 break;
1093         default:
1094                 ret = -EINVAL;
1095         }
1096         up(&sonypi_device.lock);
1097         return ret;
1098 }
1099
1100 static struct file_operations sonypi_misc_fops = {
1101         .owner          = THIS_MODULE,
1102         .read           = sonypi_misc_read,
1103         .poll           = sonypi_misc_poll,
1104         .open           = sonypi_misc_open,
1105         .release        = sonypi_misc_release,
1106         .fasync         = sonypi_misc_fasync,
1107         .ioctl          = sonypi_misc_ioctl,
1108 };
1109
1110 static struct miscdevice sonypi_misc_device = {
1111         .minor          = MISC_DYNAMIC_MINOR,
1112         .name           = "sonypi",
1113         .fops           = &sonypi_misc_fops,
1114 };
1115
1116 static void sonypi_enable(unsigned int camera_on)
1117 {
1118         switch (sonypi_device.model) {
1119         case SONYPI_DEVICE_MODEL_TYPE1:
1120                 sonypi_type1_srs();
1121                 break;
1122         case SONYPI_DEVICE_MODEL_TYPE2:
1123                 sonypi_type2_srs();
1124                 break;
1125         case SONYPI_DEVICE_MODEL_TYPE3:
1126                 sonypi_type3_srs();
1127                 break;
1128         }
1129
1130         sonypi_call1(0x82);
1131         sonypi_call2(0x81, 0xff);
1132         sonypi_call1(compat ? 0x92 : 0x82);
1133
1134         /* Enable ACPI mode to get Fn key events */
1135         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1136                 outb(0xf0, 0xb2);
1137
1138         if (camera && camera_on)
1139                 sonypi_camera_on();
1140 }
1141
1142 static int sonypi_disable(void)
1143 {
1144         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1145         if (camera)
1146                 sonypi_camera_off();
1147
1148         /* disable ACPI mode */
1149         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1150                 outb(0xf1, 0xb2);
1151
1152         switch (sonypi_device.model) {
1153         case SONYPI_DEVICE_MODEL_TYPE1:
1154                 sonypi_type1_dis();
1155                 break;
1156         case SONYPI_DEVICE_MODEL_TYPE2:
1157                 sonypi_type2_dis();
1158                 break;
1159         case SONYPI_DEVICE_MODEL_TYPE3:
1160                 sonypi_type3_dis();
1161                 break;
1162         }
1163
1164         return 0;
1165 }
1166
1167 #ifdef CONFIG_PM
1168 static int old_camera_power;
1169
1170 static int sonypi_suspend(struct device *dev, pm_message_t state)
1171 {
1172         old_camera_power = sonypi_device.camera_power;
1173         sonypi_disable();
1174
1175         return 0;
1176 }
1177
1178 static int sonypi_resume(struct device *dev)
1179 {
1180         sonypi_enable(old_camera_power);
1181         return 0;
1182 }
1183 #endif
1184
1185 static void sonypi_shutdown(struct device *dev)
1186 {
1187         sonypi_disable();
1188 }
1189
1190 static struct device_driver sonypi_driver = {
1191         .name           = "sonypi",
1192         .bus            = &platform_bus_type,
1193 #ifdef CONFIG_PM
1194         .suspend        = sonypi_suspend,
1195         .resume         = sonypi_resume,
1196 #endif
1197         .shutdown       = sonypi_shutdown,
1198 };
1199
1200 static int __devinit sonypi_create_input_devices(void)
1201 {
1202         struct input_dev *jog_dev;
1203         struct input_dev *key_dev;
1204         int i;
1205
1206         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1207         if (!jog_dev)
1208                 return -ENOMEM;
1209
1210         jog_dev->name = "Sony Vaio Jogdial";
1211         jog_dev->id.bustype = BUS_ISA;
1212         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1213
1214         jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1215         jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1216         jog_dev->relbit[0] = BIT(REL_WHEEL);
1217
1218         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1219         if (!key_dev) {
1220                 input_free_device(jog_dev);
1221                 sonypi_device.input_jog_dev = NULL;
1222                 return -ENOMEM;
1223         }
1224
1225         key_dev->name = "Sony Vaio Keys";
1226         key_dev->id.bustype = BUS_ISA;
1227         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1228
1229         /* Initialize the Input Drivers: special keys */
1230         key_dev->evbit[0] = BIT(EV_KEY);
1231         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1232                 if (sonypi_inputkeys[i].inputev)
1233                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1234
1235         input_register_device(jog_dev);
1236         input_register_device(key_dev);
1237
1238         return 0;
1239 }
1240
1241 static int __devinit sonypi_probe(void)
1242 {
1243         int i, ret;
1244         struct sonypi_ioport_list *ioport_list;
1245         struct sonypi_irq_list *irq_list;
1246         struct pci_dev *pcidev;
1247
1248         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1249                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1250                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1251         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1252                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1253                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1254         else
1255                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1256
1257         sonypi_device.dev = pcidev;
1258
1259         spin_lock_init(&sonypi_device.fifo_lock);
1260         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1261                                          &sonypi_device.fifo_lock);
1262         if (IS_ERR(sonypi_device.fifo)) {
1263                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1264                 ret = PTR_ERR(sonypi_device.fifo);
1265                 goto out_fifo;
1266         }
1267
1268         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1269         init_MUTEX(&sonypi_device.lock);
1270         sonypi_device.bluetooth_power = -1;
1271
1272         if (pcidev && pci_enable_device(pcidev)) {
1273                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1274                 ret = -EIO;
1275                 goto out_pcienable;
1276         }
1277
1278         if (minor != -1)
1279                 sonypi_misc_device.minor = minor;
1280         if ((ret = misc_register(&sonypi_misc_device))) {
1281                 printk(KERN_ERR "sonypi: misc_register failed\n");
1282                 goto out_miscreg;
1283         }
1284
1285
1286         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1287                 ioport_list = sonypi_type1_ioport_list;
1288                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1289                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1290                 irq_list = sonypi_type1_irq_list;
1291         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1292                 ioport_list = sonypi_type2_ioport_list;
1293                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1294                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1295                 irq_list = sonypi_type2_irq_list;
1296         } else {
1297                 ioport_list = sonypi_type3_ioport_list;
1298                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1299                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1300                 irq_list = sonypi_type3_irq_list;
1301         }
1302
1303         for (i = 0; ioport_list[i].port1; i++) {
1304                 if (request_region(ioport_list[i].port1,
1305                                    sonypi_device.region_size,
1306                                    "Sony Programable I/O Device")) {
1307                         /* get the ioport */
1308                         sonypi_device.ioport1 = ioport_list[i].port1;
1309                         sonypi_device.ioport2 = ioport_list[i].port2;
1310                         break;
1311                 }
1312         }
1313         if (!sonypi_device.ioport1) {
1314                 printk(KERN_ERR "sonypi: request_region failed\n");
1315                 ret = -ENODEV;
1316                 goto out_reqreg;
1317         }
1318
1319         for (i = 0; irq_list[i].irq; i++) {
1320
1321                 sonypi_device.irq = irq_list[i].irq;
1322                 sonypi_device.bits = irq_list[i].bits;
1323
1324                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1325                                  SA_SHIRQ, "sonypi", sonypi_irq))
1326                         break;
1327         }
1328
1329         if (!irq_list[i].irq) {
1330                 printk(KERN_ERR "sonypi: request_irq failed\n");
1331                 ret = -ENODEV;
1332                 goto out_reqirq;
1333         }
1334
1335         if (useinput) {
1336
1337                 ret = sonypi_create_input_devices();
1338                 if (ret)
1339                         goto out_inputdevices;
1340
1341                 spin_lock_init(&sonypi_device.input_fifo_lock);
1342                 sonypi_device.input_fifo =
1343                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1344                                     &sonypi_device.input_fifo_lock);
1345                 if (IS_ERR(sonypi_device.input_fifo)) {
1346                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1347                         ret = PTR_ERR(sonypi_device.input_fifo);
1348                         goto out_infifo;
1349                 }
1350
1351                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1352         }
1353
1354         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1355                                                              NULL, 0);
1356         if (IS_ERR(sonypi_device.pdev)) {
1357                 ret = PTR_ERR(sonypi_device.pdev);
1358                 goto out_platformdev;
1359         }
1360
1361         sonypi_enable(0);
1362
1363         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1364                "v%s.\n", SONYPI_DRIVER_VERSION);
1365         printk(KERN_INFO "sonypi: detected type%d model, "
1366                "verbose = %d, fnkeyinit = %s, camera = %s, "
1367                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1368                sonypi_device.model,
1369                verbose,
1370                fnkeyinit ? "on" : "off",
1371                camera ? "on" : "off",
1372                compat ? "on" : "off",
1373                mask,
1374                useinput ? "on" : "off",
1375                SONYPI_ACPI_ACTIVE ? "on" : "off");
1376         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1377                sonypi_device.irq,
1378                sonypi_device.ioport1, sonypi_device.ioport2);
1379
1380         if (minor == -1)
1381                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1382                        sonypi_misc_device.minor);
1383
1384         return 0;
1385
1386 out_platformdev:
1387         kfifo_free(sonypi_device.input_fifo);
1388 out_infifo:
1389         input_unregister_device(sonypi_device.input_key_dev);
1390         input_unregister_device(sonypi_device.input_jog_dev);
1391 out_inputdevices:
1392         free_irq(sonypi_device.irq, sonypi_irq);
1393 out_reqirq:
1394         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1395 out_reqreg:
1396         misc_deregister(&sonypi_misc_device);
1397 out_miscreg:
1398         if (pcidev)
1399                 pci_disable_device(pcidev);
1400 out_pcienable:
1401         kfifo_free(sonypi_device.fifo);
1402 out_fifo:
1403         pci_dev_put(sonypi_device.dev);
1404         return ret;
1405 }
1406
1407 static void __devexit sonypi_remove(void)
1408 {
1409         sonypi_disable();
1410
1411         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1412         flush_scheduled_work();
1413
1414         platform_device_unregister(sonypi_device.pdev);
1415
1416         if (useinput) {
1417                 input_unregister_device(sonypi_device.input_key_dev);
1418                 input_unregister_device(sonypi_device.input_jog_dev);
1419                 kfifo_free(sonypi_device.input_fifo);
1420         }
1421
1422         free_irq(sonypi_device.irq, sonypi_irq);
1423         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1424         misc_deregister(&sonypi_misc_device);
1425         if (sonypi_device.dev)
1426                 pci_disable_device(sonypi_device.dev);
1427         kfifo_free(sonypi_device.fifo);
1428         pci_dev_put(sonypi_device.dev);
1429         printk(KERN_INFO "sonypi: removed.\n");
1430 }
1431
1432 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1433         {
1434                 .ident = "Sony Vaio",
1435                 .matches = {
1436                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1437                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1438                 },
1439         },
1440         {
1441                 .ident = "Sony Vaio",
1442                 .matches = {
1443                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1444                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1445                 },
1446         },
1447         { }
1448 };
1449
1450 static int __init sonypi_init(void)
1451 {
1452         int ret;
1453
1454         if (!dmi_check_system(sonypi_dmi_table))
1455                 return -ENODEV;
1456
1457         ret = driver_register(&sonypi_driver);
1458         if (ret)
1459                 return ret;
1460
1461         ret = sonypi_probe();
1462         if (ret)
1463                 driver_unregister(&sonypi_driver);
1464
1465         return ret;
1466 }
1467
1468 static void __exit sonypi_exit(void)
1469 {
1470         driver_unregister(&sonypi_driver);
1471         sonypi_remove();
1472 }
1473
1474 module_init(sonypi_init);
1475 module_exit(sonypi_exit);