git.oblomov.eu Git - linux-2.6/blob - 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 #include <linux/platform_device.h>
  52
  53 #include <asm/uaccess.h>
  54 #include <asm/io.h>
  55 #include <asm/system.h>
  56
  57 #include <linux/sonypi.h>
  58
  59 #define SONYPI_DRIVER_VERSION    "1.26"
  60
  61 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  62 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  63 MODULE_LICENSE("GPL");
  64 MODULE_VERSION(SONYPI_DRIVER_VERSION);
  65
  66 static int minor = -1;
  67 module_param(minor, int, 0);
  68 MODULE_PARM_DESC(minor,
  69                  "minor number of the misc device, default is -1 (automatic)");
  70
  71 static int verbose;             /* = 0 */
  72 module_param(verbose, int, 0644);
  73 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  74
  75 static int fnkeyinit;           /* = 0 */
  76 module_param(fnkeyinit, int, 0444);
  77 MODULE_PARM_DESC(fnkeyinit,
  78                  "set this if your Fn keys do not generate any event");
  79
  80 static int camera;              /* = 0 */
  81 module_param(camera, int, 0444);
  82 MODULE_PARM_DESC(camera,
  83                  "set this if you have a MotionEye camera (PictureBook series)");
  84
  85 static int compat;              /* = 0 */
  86 module_param(compat, int, 0444);
  87 MODULE_PARM_DESC(compat,
  88                  "set this if you want to enable backward compatibility mode");
  89
  90 static unsigned long mask = 0xffffffff;
  91 module_param(mask, ulong, 0644);
  92 MODULE_PARM_DESC(mask,
  93                  "set this to the mask of event you want to enable (see doc)");
  94
  95 static int useinput = 1;
  96 module_param(useinput, int, 0444);
  97 MODULE_PARM_DESC(useinput,
  98                  "set this if you would like sonypi to feed events to the input subsystem");
  99
 100 #define SONYPI_DEVICE_MODEL_TYPE1       1
 101 #define SONYPI_DEVICE_MODEL_TYPE2       2
 102 #define SONYPI_DEVICE_MODEL_TYPE3       3
 103
 104 /* type1 models use those */
 105 #define SONYPI_IRQ_PORT                 0x8034
 106 #define SONYPI_IRQ_SHIFT                22
 107 #define SONYPI_TYPE1_BASE               0x50
 108 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 109 #define SONYPI_TYPE1_REGION_SIZE        0x08
 110 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 111
 112 /* type2 series specifics */
 113 #define SONYPI_SIRQ                     0x9b
 114 #define SONYPI_SLOB                     0x9c
 115 #define SONYPI_SHIB                     0x9d
 116 #define SONYPI_TYPE2_REGION_SIZE        0x20
 117 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 118
 119 /* type3 series specifics */
 120 #define SONYPI_TYPE3_BASE               0x40
 121 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 122 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 123 #define SONYPI_TYPE3_REGION_SIZE        0x20
 124 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 125
 126 /* battery / brightness addresses */
 127 #define SONYPI_BAT_FLAGS        0x81
 128 #define SONYPI_LCD_LIGHT        0x96
 129 #define SONYPI_BAT1_PCTRM       0xa0
 130 #define SONYPI_BAT1_LEFT        0xa2
 131 #define SONYPI_BAT1_MAXRT       0xa4
 132 #define SONYPI_BAT2_PCTRM       0xa8
 133 #define SONYPI_BAT2_LEFT        0xaa
 134 #define SONYPI_BAT2_MAXRT       0xac
 135 #define SONYPI_BAT1_MAXTK       0xb0
 136 #define SONYPI_BAT1_FULL        0xb2
 137 #define SONYPI_BAT2_MAXTK       0xb8
 138 #define SONYPI_BAT2_FULL        0xba
 139
 140 /* FAN0 information (reverse engineered from ACPI tables) */
 141 #define SONYPI_FAN0_STATUS      0x93
 142 #define SONYPI_TEMP_STATUS      0xC1
 143
 144 /* ioports used for brightness and type2 events */
 145 #define SONYPI_DATA_IOPORT      0x62
 146 #define SONYPI_CST_IOPORT       0x66
 147
 148 /* The set of possible ioports */
 149 struct sonypi_ioport_list {
 150         u16     port1;
 151         u16     port2;
 152 };
 153
 154 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 155         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 156         { 0x1080, 0x1084 },
 157         { 0x1090, 0x1094 },
 158         { 0x10a0, 0x10a4 },
 159         { 0x10b0, 0x10b4 },
 160         { 0x0, 0x0 }
 161 };
 162
 163 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 164         { 0x1080, 0x1084 },
 165         { 0x10a0, 0x10a4 },
 166         { 0x10c0, 0x10c4 },
 167         { 0x10e0, 0x10e4 },
 168         { 0x0, 0x0 }
 169 };
 170
 171 /* same as in type 2 models */
 172 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 173         sonypi_type2_ioport_list;
 174
 175 /* The set of possible interrupts */
 176 struct sonypi_irq_list {
 177         u16     irq;
 178         u16     bits;
 179 };
 180
 181 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 182         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 183         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 184         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 185         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 186 };
 187
 188 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 189         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 190         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 191         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 192         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 193         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 194 };
 195
 196 /* same as in type2 models */
 197 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 198
 199 #define SONYPI_CAMERA_BRIGHTNESS                0
 200 #define SONYPI_CAMERA_CONTRAST                  1
 201 #define SONYPI_CAMERA_HUE                       2
 202 #define SONYPI_CAMERA_COLOR                     3
 203 #define SONYPI_CAMERA_SHARPNESS                 4
 204
 205 #define SONYPI_CAMERA_PICTURE                   5
 206 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 207 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 208 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 209 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 210
 211 /* the rest don't need a loop until not 0xff */
 212 #define SONYPI_CAMERA_AGC                       6
 213 #define SONYPI_CAMERA_AGC_MASK                  0x30
 214 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 215
 216 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 217 #define SONYPI_CAMERA_CONTROL                   0x10
 218
 219 #define SONYPI_CAMERA_STATUS                    7
 220 #define SONYPI_CAMERA_STATUS_READY              0x2
 221 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 222
 223 #define SONYPI_DIRECTION_BACKWARDS              0x4
 224
 225 #define SONYPI_CAMERA_REVISION                  8
 226 #define SONYPI_CAMERA_ROMVERSION                9
 227
 228 /* Event masks */
 229 #define SONYPI_JOGGER_MASK                      0x00000001
 230 #define SONYPI_CAPTURE_MASK                     0x00000002
 231 #define SONYPI_FNKEY_MASK                       0x00000004
 232 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 233 #define SONYPI_PKEY_MASK                        0x00000010
 234 #define SONYPI_BACK_MASK                        0x00000020
 235 #define SONYPI_HELP_MASK                        0x00000040
 236 #define SONYPI_LID_MASK                         0x00000080
 237 #define SONYPI_ZOOM_MASK                        0x00000100
 238 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 239 #define SONYPI_MEYE_MASK                        0x00000400
 240 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 241 #define SONYPI_BATTERY_MASK                     0x00001000
 242 #define SONYPI_WIRELESS_MASK                    0x00002000
 243
 244 struct sonypi_event {
 245         u8      data;
 246         u8      event;
 247 };
 248
 249 /* The set of possible button release events */
 250 static struct sonypi_event sonypi_releaseev[] = {
 251         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 252         { 0, 0 }
 253 };
 254
 255 /* The set of possible jogger events  */
 256 static struct sonypi_event sonypi_joggerev[] = {
 257         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 258         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 259         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 260         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 261         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 262         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 263         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 264         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 265         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 266         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 267         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 268         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 269         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 270         { 0, 0 }
 271 };
 272
 273 /* The set of possible capture button events */
 274 static struct sonypi_event sonypi_captureev[] = {
 275         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 276         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 277         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 278         { 0, 0 }
 279 };
 280
 281 /* The set of possible fnkeys events */
 282 static struct sonypi_event sonypi_fnkeyev[] = {
 283         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 284         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 285         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 286         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 287         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 288         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 289         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 290         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 291         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 292         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 293         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 294         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 295         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 296         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 297         { 0x21, SONYPI_EVENT_FNKEY_1 },
 298         { 0x22, SONYPI_EVENT_FNKEY_2 },
 299         { 0x31, SONYPI_EVENT_FNKEY_D },
 300         { 0x32, SONYPI_EVENT_FNKEY_E },
 301         { 0x33, SONYPI_EVENT_FNKEY_F },
 302         { 0x34, SONYPI_EVENT_FNKEY_S },
 303         { 0x35, SONYPI_EVENT_FNKEY_B },
 304         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 305         { 0, 0 }
 306 };
 307
 308 /* The set of possible program key events */
 309 static struct sonypi_event sonypi_pkeyev[] = {
 310         { 0x01, SONYPI_EVENT_PKEY_P1 },
 311         { 0x02, SONYPI_EVENT_PKEY_P2 },
 312         { 0x04, SONYPI_EVENT_PKEY_P3 },
 313         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 314         { 0, 0 }
 315 };
 316
 317 /* The set of possible bluetooth events */
 318 static struct sonypi_event sonypi_blueev[] = {
 319         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 320         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 321         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 322         { 0, 0 }
 323 };
 324
 325 /* The set of possible wireless events */
 326 static struct sonypi_event sonypi_wlessev[] = {
 327         { 0x59, SONYPI_EVENT_WIRELESS_ON },
 328         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 329         { 0, 0 }
 330 };
 331
 332 /* The set of possible back button events */
 333 static struct sonypi_event sonypi_backev[] = {
 334         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 335         { 0, 0 }
 336 };
 337
 338 /* The set of possible help button events */
 339 static struct sonypi_event sonypi_helpev[] = {
 340         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 341         { 0, 0 }
 342 };
 343
 344
 345 /* The set of possible lid events */
 346 static struct sonypi_event sonypi_lidev[] = {
 347         { 0x51, SONYPI_EVENT_LID_CLOSED },
 348         { 0x50, SONYPI_EVENT_LID_OPENED },
 349         { 0, 0 }
 350 };
 351
 352 /* The set of possible zoom events */
 353 static struct sonypi_event sonypi_zoomev[] = {
 354         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 355         { 0, 0 }
 356 };
 357
 358 /* The set of possible thumbphrase events */
 359 static struct sonypi_event sonypi_thumbphraseev[] = {
 360         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 361         { 0, 0 }
 362 };
 363
 364 /* The set of possible motioneye camera events */
 365 static struct sonypi_event sonypi_meyeev[] = {
 366         { 0x00, SONYPI_EVENT_MEYE_FACE },
 367         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 368         { 0, 0 }
 369 };
 370
 371 /* The set of possible memorystick events */
 372 static struct sonypi_event sonypi_memorystickev[] = {
 373         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 374         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 375         { 0, 0 }
 376 };
 377
 378 /* The set of possible battery events */
 379 static struct sonypi_event sonypi_batteryev[] = {
 380         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 381         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 382         { 0, 0 }
 383 };
 384
 385 static struct sonypi_eventtypes {
 386         int                     model;
 387         u8                      data;
 388         unsigned long           mask;
 389         struct sonypi_event *   events;
 390 } sonypi_eventtypes[] = {
 391         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 392         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 393         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 394         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 395         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 396         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 397         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 398         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 399         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 400         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 401
 402         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 403         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 404         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 405         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 406         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 407         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 408         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 409         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 410         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 411         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 412         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 413         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 414         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 415         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 416
 417         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 418         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 419         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 420         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 421         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 422         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 423         { 0 }
 424 };
 425
 426 #define SONYPI_BUF_SIZE 128
 427
 428 /* Correspondance table between sonypi events and input layer events */
 429 static struct {
 430         int sonypiev;
 431         int inputev;
 432 } sonypi_inputkeys[] = {
 433         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 434         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 435         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 436         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 437         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 438         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 439         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 440         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 441         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 442         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 443         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 444         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 445         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 446         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 447         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 448         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 449         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 450         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 451         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 452         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 453         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 454         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 455         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 456         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 457         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 458         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 459         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 460         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 461         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 462         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 463         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 464         { 0, 0 },
 465 };
 466
 467 struct sonypi_keypress {
 468         struct input_dev *dev;
 469         int key;
 470 };
 471
 472 static struct sonypi_device {
 473         struct pci_dev *dev;
 474         struct platform_device *pdev;
 475         u16 irq;
 476         u16 bits;
 477         u16 ioport1;
 478         u16 ioport2;
 479         u16 region_size;
 480         u16 evtype_offset;
 481         int camera_power;
 482         int bluetooth_power;
 483         struct semaphore lock;
 484         struct kfifo *fifo;
 485         spinlock_t fifo_lock;
 486         wait_queue_head_t fifo_proc_list;
 487         struct fasync_struct *fifo_async;
 488         int open_count;
 489         int model;
 490         struct input_dev *input_jog_dev;
 491         struct input_dev *input_key_dev;
 492         struct work_struct input_work;
 493         struct kfifo *input_fifo;
 494         spinlock_t input_fifo_lock;
 495 } sonypi_device;
 496
 497 #define ITERATIONS_LONG         10000
 498 #define ITERATIONS_SHORT        10
 499
 500 #define wait_on_command(quiet, command, iterations) { \
 501         unsigned int n = iterations; \
 502         while (--n && (command)) \
 503                 udelay(1); \
 504         if (!n && (verbose || !quiet)) \
 505                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 506 }
 507
 508 #ifdef CONFIG_ACPI
 509 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 510 #else
 511 #define SONYPI_ACPI_ACTIVE 0
 512 #endif                          /* CONFIG_ACPI */
 513
 514 static int sonypi_ec_write(u8 addr, u8 value)
 515 {
 516 #ifdef CONFIG_ACPI_EC
 517         if (SONYPI_ACPI_ACTIVE)
 518                 return ec_write(addr, value);
 519 #endif
 520         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 521         outb_p(0x81, SONYPI_CST_IOPORT);
 522         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 523         outb_p(addr, SONYPI_DATA_IOPORT);
 524         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 525         outb_p(value, SONYPI_DATA_IOPORT);
 526         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 527         return 0;
 528 }
 529
 530 static int sonypi_ec_read(u8 addr, u8 *value)
 531 {
 532 #ifdef CONFIG_ACPI_EC
 533         if (SONYPI_ACPI_ACTIVE)
 534                 return ec_read(addr, value);
 535 #endif
 536         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 537         outb_p(0x80, SONYPI_CST_IOPORT);
 538         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 539         outb_p(addr, SONYPI_DATA_IOPORT);
 540         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 541         *value = inb_p(SONYPI_DATA_IOPORT);
 542         return 0;
 543 }
 544
 545 static int ec_read16(u8 addr, u16 *value)
 546 {
 547         u8 val_lb, val_hb;
 548         if (sonypi_ec_read(addr, &val_lb))
 549                 return -1;
 550         if (sonypi_ec_read(addr + 1, &val_hb))
 551                 return -1;
 552         *value = val_lb | (val_hb << 8);
 553         return 0;
 554 }
 555
 556 /* Initializes the device - this comes from the AML code in the ACPI bios */
 557 static void sonypi_type1_srs(void)
 558 {
 559         u32 v;
 560
 561         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 562         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 563         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 564
 565         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 566         v = (v & 0xFFF0FFFF) |
 567             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 568         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 569
 570         v = inl(SONYPI_IRQ_PORT);
 571         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 572         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 573         outl(v, SONYPI_IRQ_PORT);
 574
 575         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 576         v = (v & 0xFF1FFFFF) | 0x00C00000;
 577         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 578 }
 579
 580 static void sonypi_type2_srs(void)
 581 {
 582         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 583                 printk(KERN_WARNING "ec_write failed\n");
 584         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 585                 printk(KERN_WARNING "ec_write failed\n");
 586         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 587                 printk(KERN_WARNING "ec_write failed\n");
 588         udelay(10);
 589 }
 590
 591 static void sonypi_type3_srs(void)
 592 {
 593         u16 v16;
 594         u8  v8;
 595
 596         /* This model type uses the same initialiazation of
 597          * the embedded controller as the type2 models. */
 598         sonypi_type2_srs();
 599
 600         /* Initialization of PCI config space of the LPC interface bridge. */
 601         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 602         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 603         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 604         v8 = (v8 & 0xCF) | 0x10;
 605         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 606 }
 607
 608 /* Disables the device - this comes from the AML code in the ACPI bios */
 609 static void sonypi_type1_dis(void)
 610 {
 611         u32 v;
 612
 613         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 614         v = v & 0xFF3FFFFF;
 615         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 616
 617         v = inl(SONYPI_IRQ_PORT);
 618         v |= (0x3 << SONYPI_IRQ_SHIFT);
 619         outl(v, SONYPI_IRQ_PORT);
 620 }
 621
 622 static void sonypi_type2_dis(void)
 623 {
 624         if (sonypi_ec_write(SONYPI_SHIB, 0))
 625                 printk(KERN_WARNING "ec_write failed\n");
 626         if (sonypi_ec_write(SONYPI_SLOB, 0))
 627                 printk(KERN_WARNING "ec_write failed\n");
 628         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 629                 printk(KERN_WARNING "ec_write failed\n");
 630 }
 631
 632 static void sonypi_type3_dis(void)
 633 {
 634         sonypi_type2_dis();
 635         udelay(10);
 636         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 637 }
 638
 639 static u8 sonypi_call1(u8 dev)
 640 {
 641         u8 v1, v2;
 642
 643         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 644         outb(dev, sonypi_device.ioport2);
 645         v1 = inb_p(sonypi_device.ioport2);
 646         v2 = inb_p(sonypi_device.ioport1);
 647         return v2;
 648 }
 649
 650 static u8 sonypi_call2(u8 dev, u8 fn)
 651 {
 652         u8 v1;
 653
 654         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 655         outb(dev, sonypi_device.ioport2);
 656         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 657         outb(fn, sonypi_device.ioport1);
 658         v1 = inb_p(sonypi_device.ioport1);
 659         return v1;
 660 }
 661
 662 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 663 {
 664         u8 v1;
 665
 666         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 667         outb(dev, sonypi_device.ioport2);
 668         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 669         outb(fn, sonypi_device.ioport1);
 670         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 671         outb(v, sonypi_device.ioport1);
 672         v1 = inb_p(sonypi_device.ioport1);
 673         return v1;
 674 }
 675
 676 #if 0
 677 /* Get brightness, hue etc. Unreliable... */
 678 static u8 sonypi_read(u8 fn)
 679 {
 680         u8 v1, v2;
 681         int n = 100;
 682
 683         while (n--) {
 684                 v1 = sonypi_call2(0x8f, fn);
 685                 v2 = sonypi_call2(0x8f, fn);
 686                 if (v1 == v2 && v1 != 0xff)
 687                         return v1;
 688         }
 689         return 0xff;
 690 }
 691 #endif
 692
 693 /* Set brightness, hue etc */
 694 static void sonypi_set(u8 fn, u8 v)
 695 {
 696         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 697 }
 698
 699 /* Tests if the camera is ready */
 700 static int sonypi_camera_ready(void)
 701 {
 702         u8 v;
 703
 704         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 705         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 706 }
 707
 708 /* Turns the camera off */
 709 static void sonypi_camera_off(void)
 710 {
 711         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 712
 713         if (!sonypi_device.camera_power)
 714                 return;
 715
 716         sonypi_call2(0x91, 0);
 717         sonypi_device.camera_power = 0;
 718 }
 719
 720 /* Turns the camera on */
 721 static void sonypi_camera_on(void)
 722 {
 723         int i, j;
 724
 725         if (sonypi_device.camera_power)
 726                 return;
 727
 728         for (j = 5; j > 0; j--) {
 729
 730                 while (sonypi_call2(0x91, 0x1))
 731                         msleep(10);
 732                 sonypi_call1(0x93);
 733
 734                 for (i = 400; i > 0; i--) {
 735                         if (sonypi_camera_ready())
 736                                 break;
 737                         msleep(10);
 738                 }
 739                 if (i)
 740                         break;
 741         }
 742
 743         if (j == 0) {
 744                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 745                 return;
 746         }
 747
 748         sonypi_set(0x10, 0x5a);
 749         sonypi_device.camera_power = 1;
 750 }
 751
 752 /* sets the bluetooth subsystem power state */
 753 static void sonypi_setbluetoothpower(u8 state)
 754 {
 755         state = !!state;
 756
 757         if (sonypi_device.bluetooth_power == state)
 758                 return;
 759
 760         sonypi_call2(0x96, state);
 761         sonypi_call1(0x82);
 762         sonypi_device.bluetooth_power = state;
 763 }
 764
 765 static void input_keyrelease(void *data)
 766 {
 767         struct sonypi_keypress kp;
 768
 769         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
 770                          sizeof(kp)) == sizeof(kp)) {
 771                 msleep(10);
 772                 input_report_key(kp.dev, kp.key, 0);
 773                 input_sync(kp.dev);
 774         }
 775 }
 776
 777 static void sonypi_report_input_event(u8 event)
 778 {
 779         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 780         struct input_dev *key_dev = sonypi_device.input_key_dev;
 781         struct sonypi_keypress kp = { NULL };
 782         int i;
 783
 784         switch (event) {
 785         case SONYPI_EVENT_JOGDIAL_UP:
 786         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 787                 input_report_rel(jog_dev, REL_WHEEL, 1);
 788                 input_sync(jog_dev);
 789                 break;
 790
 791         case SONYPI_EVENT_JOGDIAL_DOWN:
 792         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 793                 input_report_rel(jog_dev, REL_WHEEL, -1);
 794                 input_sync(jog_dev);
 795                 break;
 796
 797         case SONYPI_EVENT_JOGDIAL_PRESSED:
 798                 kp.key = BTN_MIDDLE;
 799                 kp.dev = jog_dev;
 800                 break;
 801
 802         case SONYPI_EVENT_FNKEY_RELEASED:
 803                 /* Nothing, not all VAIOs generate this event */
 804                 break;
 805
 806         default:
 807                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 808                         if (event == sonypi_inputkeys[i].sonypiev) {
 809                                 kp.dev = key_dev;
 810                                 kp.key = sonypi_inputkeys[i].inputev;
 811                                 break;
 812                         }
 813                 break;
 814         }
 815
 816         if (kp.dev) {
 817                 input_report_key(kp.dev, kp.key, 1);
 818                 input_sync(kp.dev);
 819                 kfifo_put(sonypi_device.input_fifo,
 820                           (unsigned char *)&kp, sizeof(kp));
 821                 schedule_work(&sonypi_device.input_work);
 822         }
 823 }
 824
 825 /* Interrupt handler: some event is available */
 826 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
 827 {
 828         u8 v1, v2, event = 0;
 829         int i, j;
 830
 831         v1 = inb_p(sonypi_device.ioport1);
 832         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 833
 834         for (i = 0; sonypi_eventtypes[i].model; i++) {
 835                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 836                         continue;
 837                 if ((v2 & sonypi_eventtypes[i].data) !=
 838                     sonypi_eventtypes[i].data)
 839                         continue;
 840                 if (!(mask & sonypi_eventtypes[i].mask))
 841                         continue;
 842                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 843                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 844                                 event = sonypi_eventtypes[i].events[j].event;
 845                                 goto found;
 846                         }
 847                 }
 848         }
 849
 850         if (verbose)
 851                 printk(KERN_WARNING
 852                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 853                        v1, v2);
 854         /* We need to return IRQ_HANDLED here because there *are*
 855          * events belonging to the sonypi device we don't know about,
 856          * but we still don't want those to pollute the logs... */
 857         return IRQ_HANDLED;
 858
 859 found:
 860         if (verbose > 1)
 861                 printk(KERN_INFO
 862                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 863
 864         if (useinput)
 865                 sonypi_report_input_event(event);
 866
 867         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 868         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 869         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 870
 871         return IRQ_HANDLED;
 872 }
 873
 874 /* External camera command (exported to the motion eye v4l driver) */
 875 int sonypi_camera_command(int command, u8 value)
 876 {
 877         if (!camera)
 878                 return -EIO;
 879
 880         down(&sonypi_device.lock);
 881
 882         switch (command) {
 883         case SONYPI_COMMAND_SETCAMERA:
 884                 if (value)
 885                         sonypi_camera_on();
 886                 else
 887                         sonypi_camera_off();
 888                 break;
 889         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 890                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 891                 break;
 892         case SONYPI_COMMAND_SETCAMERACONTRAST:
 893                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 894                 break;
 895         case SONYPI_COMMAND_SETCAMERAHUE:
 896                 sonypi_set(SONYPI_CAMERA_HUE, value);
 897                 break;
 898         case SONYPI_COMMAND_SETCAMERACOLOR:
 899                 sonypi_set(SONYPI_CAMERA_COLOR, value);
 900                 break;
 901         case SONYPI_COMMAND_SETCAMERASHARPNESS:
 902                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 903                 break;
 904         case SONYPI_COMMAND_SETCAMERAPICTURE:
 905                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
 906                 break;
 907         case SONYPI_COMMAND_SETCAMERAAGC:
 908                 sonypi_set(SONYPI_CAMERA_AGC, value);
 909                 break;
 910         default:
 911                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 912                        command);
 913                 break;
 914         }
 915         up(&sonypi_device.lock);
 916         return 0;
 917 }
 918
 919 EXPORT_SYMBOL(sonypi_camera_command);
 920
 921 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 922 {
 923         int retval;
 924
 925         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 926         if (retval < 0)
 927                 return retval;
 928         return 0;
 929 }
 930
 931 static int sonypi_misc_release(struct inode *inode, struct file *file)
 932 {
 933         sonypi_misc_fasync(-1, file, 0);
 934         down(&sonypi_device.lock);
 935         sonypi_device.open_count--;
 936         up(&sonypi_device.lock);
 937         return 0;
 938 }
 939
 940 static int sonypi_misc_open(struct inode *inode, struct file *file)
 941 {
 942         down(&sonypi_device.lock);
 943         /* Flush input queue on first open */
 944         if (!sonypi_device.open_count)
 945                 kfifo_reset(sonypi_device.fifo);
 946         sonypi_device.open_count++;
 947         up(&sonypi_device.lock);
 948         return 0;
 949 }
 950
 951 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 952                                 size_t count, loff_t *pos)
 953 {
 954         ssize_t ret;
 955         unsigned char c;
 956
 957         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 958             (file->f_flags & O_NONBLOCK))
 959                 return -EAGAIN;
 960
 961         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 962                                        kfifo_len(sonypi_device.fifo) != 0);
 963         if (ret)
 964                 return ret;
 965
 966         while (ret < count &&
 967                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 968                 if (put_user(c, buf++))
 969                         return -EFAULT;
 970                 ret++;
 971         }
 972
 973         if (ret > 0) {
 974                 struct inode *inode = file->f_dentry->d_inode;
 975                 inode->i_atime = current_fs_time(inode->i_sb);
 976         }
 977
 978         return ret;
 979 }
 980
 981 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 982 {
 983         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 984         if (kfifo_len(sonypi_device.fifo))
 985                 return POLLIN | POLLRDNORM;
 986         return 0;
 987 }
 988
 989 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 990                              unsigned int cmd, unsigned long arg)
 991 {
 992         int ret = 0;
 993         void __user *argp = (void __user *)arg;
 994         u8 val8;
 995         u16 val16;
 996
 997         down(&sonypi_device.lock);
 998         switch (cmd) {
 999         case SONYPI_IOCGBRT:
1000                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1001                         ret = -EIO;
1002                         break;
1003                 }
1004                 if (copy_to_user(argp, &val8, sizeof(val8)))
1005                         ret = -EFAULT;
1006                 break;
1007         case SONYPI_IOCSBRT:
1008                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1009                         ret = -EFAULT;
1010                         break;
1011                 }
1012                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1013                         ret = -EIO;
1014                 break;
1015         case SONYPI_IOCGBAT1CAP:
1016                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1017                         ret = -EIO;
1018                         break;
1019                 }
1020                 if (copy_to_user(argp, &val16, sizeof(val16)))
1021                         ret = -EFAULT;
1022                 break;
1023         case SONYPI_IOCGBAT1REM:
1024                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1025                         ret = -EIO;
1026                         break;
1027                 }
1028                 if (copy_to_user(argp, &val16, sizeof(val16)))
1029                         ret = -EFAULT;
1030                 break;
1031         case SONYPI_IOCGBAT2CAP:
1032                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1033                         ret = -EIO;
1034                         break;
1035                 }
1036                 if (copy_to_user(argp, &val16, sizeof(val16)))
1037                         ret = -EFAULT;
1038                 break;
1039         case SONYPI_IOCGBAT2REM:
1040                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1041                         ret = -EIO;
1042                         break;
1043                 }
1044                 if (copy_to_user(argp, &val16, sizeof(val16)))
1045                         ret = -EFAULT;
1046                 break;
1047         case SONYPI_IOCGBATFLAGS:
1048                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1049                         ret = -EIO;
1050                         break;
1051                 }
1052                 val8 &= 0x07;
1053                 if (copy_to_user(argp, &val8, sizeof(val8)))
1054                         ret = -EFAULT;
1055                 break;
1056         case SONYPI_IOCGBLUE:
1057                 val8 = sonypi_device.bluetooth_power;
1058                 if (copy_to_user(argp, &val8, sizeof(val8)))
1059                         ret = -EFAULT;
1060                 break;
1061         case SONYPI_IOCSBLUE:
1062                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1063                         ret = -EFAULT;
1064                         break;
1065                 }
1066                 sonypi_setbluetoothpower(val8);
1067                 break;
1068         /* FAN Controls */
1069         case SONYPI_IOCGFAN:
1070                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1071                         ret = -EIO;
1072                         break;
1073                 }
1074                 if (copy_to_user(argp, &val8, sizeof(val8)))
1075                         ret = -EFAULT;
1076                 break;
1077         case SONYPI_IOCSFAN:
1078                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1079                         ret = -EFAULT;
1080                         break;
1081                 }
1082                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1083                         ret = -EIO;
1084                 break;
1085         /* GET Temperature (useful under APM) */
1086         case SONYPI_IOCGTEMP:
1087                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1088                         ret = -EIO;
1089                         break;
1090                 }
1091                 if (copy_to_user(argp, &val8, sizeof(val8)))
1092                         ret = -EFAULT;
1093                 break;
1094         default:
1095                 ret = -EINVAL;
1096         }
1097         up(&sonypi_device.lock);
1098         return ret;
1099 }
1100
1101 static struct file_operations sonypi_misc_fops = {
1102         .owner          = THIS_MODULE,
1103         .read           = sonypi_misc_read,
1104         .poll           = sonypi_misc_poll,
1105         .open           = sonypi_misc_open,
1106         .release        = sonypi_misc_release,
1107         .fasync         = sonypi_misc_fasync,
1108         .ioctl          = sonypi_misc_ioctl,
1109 };
1110
1111 static struct miscdevice sonypi_misc_device = {
1112         .minor          = MISC_DYNAMIC_MINOR,
1113         .name           = "sonypi",
1114         .fops           = &sonypi_misc_fops,
1115 };
1116
1117 static void sonypi_enable(unsigned int camera_on)
1118 {
1119         switch (sonypi_device.model) {
1120         case SONYPI_DEVICE_MODEL_TYPE1:
1121                 sonypi_type1_srs();
1122                 break;
1123         case SONYPI_DEVICE_MODEL_TYPE2:
1124                 sonypi_type2_srs();
1125                 break;
1126         case SONYPI_DEVICE_MODEL_TYPE3:
1127                 sonypi_type3_srs();
1128                 break;
1129         }
1130
1131         sonypi_call1(0x82);
1132         sonypi_call2(0x81, 0xff);
1133         sonypi_call1(compat ? 0x92 : 0x82);
1134
1135         /* Enable ACPI mode to get Fn key events */
1136         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1137                 outb(0xf0, 0xb2);
1138
1139         if (camera && camera_on)
1140                 sonypi_camera_on();
1141 }
1142
1143 static int sonypi_disable(void)
1144 {
1145         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1146         if (camera)
1147                 sonypi_camera_off();
1148
1149         /* disable ACPI mode */
1150         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1151                 outb(0xf1, 0xb2);
1152
1153         switch (sonypi_device.model) {
1154         case SONYPI_DEVICE_MODEL_TYPE1:
1155                 sonypi_type1_dis();
1156                 break;
1157         case SONYPI_DEVICE_MODEL_TYPE2:
1158                 sonypi_type2_dis();
1159                 break;
1160         case SONYPI_DEVICE_MODEL_TYPE3:
1161                 sonypi_type3_dis();
1162                 break;
1163         }
1164
1165         return 0;
1166 }
1167
1168 #ifdef CONFIG_PM
1169 static int old_camera_power;
1170
1171 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1172 {
1173         old_camera_power = sonypi_device.camera_power;
1174         sonypi_disable();
1175
1176         return 0;
1177 }
1178
1179 static int sonypi_resume(struct platform_device *dev)
1180 {
1181         sonypi_enable(old_camera_power);
1182         return 0;
1183 }
1184 #endif
1185
1186 static void sonypi_shutdown(struct platform_device *dev)
1187 {
1188         sonypi_disable();
1189 }
1190
1191 static struct platform_driver sonypi_driver = {
1192 #ifdef CONFIG_PM
1193         .suspend        = sonypi_suspend,
1194         .resume         = sonypi_resume,
1195 #endif
1196         .shutdown       = sonypi_shutdown,
1197         .driver         = {
1198                 .name   = "sonypi",
1199         },
1200 };
1201
1202 static int __devinit sonypi_create_input_devices(void)
1203 {
1204         struct input_dev *jog_dev;
1205         struct input_dev *key_dev;
1206         int i;
1207
1208         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1209         if (!jog_dev)
1210                 return -ENOMEM;
1211
1212         jog_dev->name = "Sony Vaio Jogdial";
1213         jog_dev->id.bustype = BUS_ISA;
1214         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1215
1216         jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1217         jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1218         jog_dev->relbit[0] = BIT(REL_WHEEL);
1219
1220         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1221         if (!key_dev) {
1222                 input_free_device(jog_dev);
1223                 sonypi_device.input_jog_dev = NULL;
1224                 return -ENOMEM;
1225         }
1226
1227         key_dev->name = "Sony Vaio Keys";
1228         key_dev->id.bustype = BUS_ISA;
1229         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1230
1231         /* Initialize the Input Drivers: special keys */
1232         key_dev->evbit[0] = BIT(EV_KEY);
1233         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1234                 if (sonypi_inputkeys[i].inputev)
1235                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1236
1237         input_register_device(jog_dev);
1238         input_register_device(key_dev);
1239
1240         return 0;
1241 }
1242
1243 static int __devinit sonypi_probe(void)
1244 {
1245         int i, ret;
1246         struct sonypi_ioport_list *ioport_list;
1247         struct sonypi_irq_list *irq_list;
1248         struct pci_dev *pcidev;
1249
1250         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1251                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1252                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1253         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1254                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1255                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1256         else
1257                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1258
1259         sonypi_device.dev = pcidev;
1260
1261         spin_lock_init(&sonypi_device.fifo_lock);
1262         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1263                                          &sonypi_device.fifo_lock);
1264         if (IS_ERR(sonypi_device.fifo)) {
1265                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1266                 ret = PTR_ERR(sonypi_device.fifo);
1267                 goto out_fifo;
1268         }
1269
1270         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1271         init_MUTEX(&sonypi_device.lock);
1272         sonypi_device.bluetooth_power = -1;
1273
1274         if (pcidev && pci_enable_device(pcidev)) {
1275                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1276                 ret = -EIO;
1277                 goto out_pcienable;
1278         }
1279
1280         if (minor != -1)
1281                 sonypi_misc_device.minor = minor;
1282         if ((ret = misc_register(&sonypi_misc_device))) {
1283                 printk(KERN_ERR "sonypi: misc_register failed\n");
1284                 goto out_miscreg;
1285         }
1286
1287
1288         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1289                 ioport_list = sonypi_type1_ioport_list;
1290                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1291                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1292                 irq_list = sonypi_type1_irq_list;
1293         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1294                 ioport_list = sonypi_type2_ioport_list;
1295                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1296                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1297                 irq_list = sonypi_type2_irq_list;
1298         } else {
1299                 ioport_list = sonypi_type3_ioport_list;
1300                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1301                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1302                 irq_list = sonypi_type3_irq_list;
1303         }
1304
1305         for (i = 0; ioport_list[i].port1; i++) {
1306                 if (request_region(ioport_list[i].port1,
1307                                    sonypi_device.region_size,
1308                                    "Sony Programable I/O Device")) {
1309                         /* get the ioport */
1310                         sonypi_device.ioport1 = ioport_list[i].port1;
1311                         sonypi_device.ioport2 = ioport_list[i].port2;
1312                         break;
1313                 }
1314         }
1315         if (!sonypi_device.ioport1) {
1316                 printk(KERN_ERR "sonypi: request_region failed\n");
1317                 ret = -ENODEV;
1318                 goto out_reqreg;
1319         }
1320
1321         for (i = 0; irq_list[i].irq; i++) {
1322
1323                 sonypi_device.irq = irq_list[i].irq;
1324                 sonypi_device.bits = irq_list[i].bits;
1325
1326                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1327                                  SA_SHIRQ, "sonypi", sonypi_irq))
1328                         break;
1329         }
1330
1331         if (!irq_list[i].irq) {
1332                 printk(KERN_ERR "sonypi: request_irq failed\n");
1333                 ret = -ENODEV;
1334                 goto out_reqirq;
1335         }
1336
1337         if (useinput) {
1338
1339                 ret = sonypi_create_input_devices();
1340                 if (ret)
1341                         goto out_inputdevices;
1342
1343                 spin_lock_init(&sonypi_device.input_fifo_lock);
1344                 sonypi_device.input_fifo =
1345                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1346                                     &sonypi_device.input_fifo_lock);
1347                 if (IS_ERR(sonypi_device.input_fifo)) {
1348                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1349                         ret = PTR_ERR(sonypi_device.input_fifo);
1350                         goto out_infifo;
1351                 }
1352
1353                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1354         }
1355
1356         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1357                                                              NULL, 0);
1358         if (IS_ERR(sonypi_device.pdev)) {
1359                 ret = PTR_ERR(sonypi_device.pdev);
1360                 goto out_platformdev;
1361         }
1362
1363         sonypi_enable(0);
1364
1365         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1366                "v%s.\n", SONYPI_DRIVER_VERSION);
1367         printk(KERN_INFO "sonypi: detected type%d model, "
1368                "verbose = %d, fnkeyinit = %s, camera = %s, "
1369                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1370                sonypi_device.model,
1371                verbose,
1372                fnkeyinit ? "on" : "off",
1373                camera ? "on" : "off",
1374                compat ? "on" : "off",
1375                mask,
1376                useinput ? "on" : "off",
1377                SONYPI_ACPI_ACTIVE ? "on" : "off");
1378         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1379                sonypi_device.irq,
1380                sonypi_device.ioport1, sonypi_device.ioport2);
1381
1382         if (minor == -1)
1383                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1384                        sonypi_misc_device.minor);
1385
1386         return 0;
1387
1388 out_platformdev:
1389         kfifo_free(sonypi_device.input_fifo);
1390 out_infifo:
1391         input_unregister_device(sonypi_device.input_key_dev);
1392         input_unregister_device(sonypi_device.input_jog_dev);
1393 out_inputdevices:
1394         free_irq(sonypi_device.irq, sonypi_irq);
1395 out_reqirq:
1396         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1397 out_reqreg:
1398         misc_deregister(&sonypi_misc_device);
1399 out_miscreg:
1400         if (pcidev)
1401                 pci_disable_device(pcidev);
1402 out_pcienable:
1403         kfifo_free(sonypi_device.fifo);
1404 out_fifo:
1405         pci_dev_put(sonypi_device.dev);
1406         return ret;
1407 }
1408
1409 static void __devexit sonypi_remove(void)
1410 {
1411         sonypi_disable();
1412
1413         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1414         flush_scheduled_work();
1415
1416         platform_device_unregister(sonypi_device.pdev);
1417
1418         if (useinput) {
1419                 input_unregister_device(sonypi_device.input_key_dev);
1420                 input_unregister_device(sonypi_device.input_jog_dev);
1421                 kfifo_free(sonypi_device.input_fifo);
1422         }
1423
1424         free_irq(sonypi_device.irq, sonypi_irq);
1425         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1426         misc_deregister(&sonypi_misc_device);
1427         if (sonypi_device.dev)
1428                 pci_disable_device(sonypi_device.dev);
1429         kfifo_free(sonypi_device.fifo);
1430         pci_dev_put(sonypi_device.dev);
1431         printk(KERN_INFO "sonypi: removed.\n");
1432 }
1433
1434 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1435         {
1436                 .ident = "Sony Vaio",
1437                 .matches = {
1438                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1439                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1440                 },
1441         },
1442         {
1443                 .ident = "Sony Vaio",
1444                 .matches = {
1445                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1446                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1447                 },
1448         },
1449         { }
1450 };
1451
1452 static int __init sonypi_init(void)
1453 {
1454         int ret;
1455
1456         if (!dmi_check_system(sonypi_dmi_table))
1457                 return -ENODEV;
1458
1459         ret = platform_driver_register(&sonypi_driver);
1460         if (ret)
1461                 return ret;
1462
1463         ret = sonypi_probe();
1464         if (ret)
1465                 platform_driver_unregister(&sonypi_driver);
1466
1467         return ret;
1468 }
1469
1470 static void __exit sonypi_exit(void)
1471 {
1472         platform_driver_unregister(&sonypi_driver);
1473         sonypi_remove();
1474 }
1475
1476 module_init(sonypi_init);
1477 module_exit(sonypi_exit);