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/module.h>
  37 #include <linux/input.h>
  38 #include <linux/pci.h>
  39 #include <linux/init.h>
  40 #include <linux/interrupt.h>
  41 #include <linux/miscdevice.h>
  42 #include <linux/poll.h>
  43 #include <linux/delay.h>
  44 #include <linux/wait.h>
  45 #include <linux/acpi.h>
  46 #include <linux/dmi.h>
  47 #include <linux/err.h>
  48 #include <linux/kfifo.h>
  49 #include <linux/platform_device.h>
  50
  51 #include <asm/uaccess.h>
  52 #include <asm/io.h>
  53 #include <asm/system.h>
  54
  55 #include <linux/sonypi.h>
  56
  57 #define SONYPI_DRIVER_VERSION    "1.26"
  58
  59 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  60 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  61 MODULE_LICENSE("GPL");
  62 MODULE_VERSION(SONYPI_DRIVER_VERSION);
  63
  64 static int minor = -1;
  65 module_param(minor, int, 0);
  66 MODULE_PARM_DESC(minor,
  67                  "minor number of the misc device, default is -1 (automatic)");
  68
  69 static int verbose;             /* = 0 */
  70 module_param(verbose, int, 0644);
  71 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  72
  73 static int fnkeyinit;           /* = 0 */
  74 module_param(fnkeyinit, int, 0444);
  75 MODULE_PARM_DESC(fnkeyinit,
  76                  "set this if your Fn keys do not generate any event");
  77
  78 static int camera;              /* = 0 */
  79 module_param(camera, int, 0444);
  80 MODULE_PARM_DESC(camera,
  81                  "set this if you have a MotionEye camera (PictureBook series)");
  82
  83 static int compat;              /* = 0 */
  84 module_param(compat, int, 0444);
  85 MODULE_PARM_DESC(compat,
  86                  "set this if you want to enable backward compatibility mode");
  87
  88 static unsigned long mask = 0xffffffff;
  89 module_param(mask, ulong, 0644);
  90 MODULE_PARM_DESC(mask,
  91                  "set this to the mask of event you want to enable (see doc)");
  92
  93 static int useinput = 1;
  94 module_param(useinput, int, 0444);
  95 MODULE_PARM_DESC(useinput,
  96                  "set this if you would like sonypi to feed events to the input subsystem");
  97
  98 #define SONYPI_DEVICE_MODEL_TYPE1       1
  99 #define SONYPI_DEVICE_MODEL_TYPE2       2
 100 #define SONYPI_DEVICE_MODEL_TYPE3       3
 101
 102 /* type1 models use those */
 103 #define SONYPI_IRQ_PORT                 0x8034
 104 #define SONYPI_IRQ_SHIFT                22
 105 #define SONYPI_TYPE1_BASE               0x50
 106 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 107 #define SONYPI_TYPE1_REGION_SIZE        0x08
 108 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 109
 110 /* type2 series specifics */
 111 #define SONYPI_SIRQ                     0x9b
 112 #define SONYPI_SLOB                     0x9c
 113 #define SONYPI_SHIB                     0x9d
 114 #define SONYPI_TYPE2_REGION_SIZE        0x20
 115 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 116
 117 /* type3 series specifics */
 118 #define SONYPI_TYPE3_BASE               0x40
 119 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 120 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 121 #define SONYPI_TYPE3_REGION_SIZE        0x20
 122 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 123
 124 /* battery / brightness addresses */
 125 #define SONYPI_BAT_FLAGS        0x81
 126 #define SONYPI_LCD_LIGHT        0x96
 127 #define SONYPI_BAT1_PCTRM       0xa0
 128 #define SONYPI_BAT1_LEFT        0xa2
 129 #define SONYPI_BAT1_MAXRT       0xa4
 130 #define SONYPI_BAT2_PCTRM       0xa8
 131 #define SONYPI_BAT2_LEFT        0xaa
 132 #define SONYPI_BAT2_MAXRT       0xac
 133 #define SONYPI_BAT1_MAXTK       0xb0
 134 #define SONYPI_BAT1_FULL        0xb2
 135 #define SONYPI_BAT2_MAXTK       0xb8
 136 #define SONYPI_BAT2_FULL        0xba
 137
 138 /* FAN0 information (reverse engineered from ACPI tables) */
 139 #define SONYPI_FAN0_STATUS      0x93
 140 #define SONYPI_TEMP_STATUS      0xC1
 141
 142 /* ioports used for brightness and type2 events */
 143 #define SONYPI_DATA_IOPORT      0x62
 144 #define SONYPI_CST_IOPORT       0x66
 145
 146 /* The set of possible ioports */
 147 struct sonypi_ioport_list {
 148         u16     port1;
 149         u16     port2;
 150 };
 151
 152 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 153         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 154         { 0x1080, 0x1084 },
 155         { 0x1090, 0x1094 },
 156         { 0x10a0, 0x10a4 },
 157         { 0x10b0, 0x10b4 },
 158         { 0x0, 0x0 }
 159 };
 160
 161 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 162         { 0x1080, 0x1084 },
 163         { 0x10a0, 0x10a4 },
 164         { 0x10c0, 0x10c4 },
 165         { 0x10e0, 0x10e4 },
 166         { 0x0, 0x0 }
 167 };
 168
 169 /* same as in type 2 models */
 170 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 171         sonypi_type2_ioport_list;
 172
 173 /* The set of possible interrupts */
 174 struct sonypi_irq_list {
 175         u16     irq;
 176         u16     bits;
 177 };
 178
 179 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 180         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 181         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 182         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 183         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 184 };
 185
 186 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 187         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 188         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 189         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 190         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 191         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 192 };
 193
 194 /* same as in type2 models */
 195 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 196
 197 #define SONYPI_CAMERA_BRIGHTNESS                0
 198 #define SONYPI_CAMERA_CONTRAST                  1
 199 #define SONYPI_CAMERA_HUE                       2
 200 #define SONYPI_CAMERA_COLOR                     3
 201 #define SONYPI_CAMERA_SHARPNESS                 4
 202
 203 #define SONYPI_CAMERA_PICTURE                   5
 204 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 205 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 206 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 207 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 208
 209 /* the rest don't need a loop until not 0xff */
 210 #define SONYPI_CAMERA_AGC                       6
 211 #define SONYPI_CAMERA_AGC_MASK                  0x30
 212 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 213
 214 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 215 #define SONYPI_CAMERA_CONTROL                   0x10
 216
 217 #define SONYPI_CAMERA_STATUS                    7
 218 #define SONYPI_CAMERA_STATUS_READY              0x2
 219 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 220
 221 #define SONYPI_DIRECTION_BACKWARDS              0x4
 222
 223 #define SONYPI_CAMERA_REVISION                  8
 224 #define SONYPI_CAMERA_ROMVERSION                9
 225
 226 /* Event masks */
 227 #define SONYPI_JOGGER_MASK                      0x00000001
 228 #define SONYPI_CAPTURE_MASK                     0x00000002
 229 #define SONYPI_FNKEY_MASK                       0x00000004
 230 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 231 #define SONYPI_PKEY_MASK                        0x00000010
 232 #define SONYPI_BACK_MASK                        0x00000020
 233 #define SONYPI_HELP_MASK                        0x00000040
 234 #define SONYPI_LID_MASK                         0x00000080
 235 #define SONYPI_ZOOM_MASK                        0x00000100
 236 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 237 #define SONYPI_MEYE_MASK                        0x00000400
 238 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 239 #define SONYPI_BATTERY_MASK                     0x00001000
 240 #define SONYPI_WIRELESS_MASK                    0x00002000
 241
 242 struct sonypi_event {
 243         u8      data;
 244         u8      event;
 245 };
 246
 247 /* The set of possible button release events */
 248 static struct sonypi_event sonypi_releaseev[] = {
 249         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 250         { 0, 0 }
 251 };
 252
 253 /* The set of possible jogger events  */
 254 static struct sonypi_event sonypi_joggerev[] = {
 255         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 256         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 257         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 258         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 259         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 260         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 261         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 262         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 263         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 264         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 265         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 266         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 267         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 268         { 0, 0 }
 269 };
 270
 271 /* The set of possible capture button events */
 272 static struct sonypi_event sonypi_captureev[] = {
 273         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 274         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 275         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 276         { 0, 0 }
 277 };
 278
 279 /* The set of possible fnkeys events */
 280 static struct sonypi_event sonypi_fnkeyev[] = {
 281         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 282         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 283         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 284         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 285         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 286         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 287         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 288         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 289         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 290         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 291         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 292         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 293         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 294         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 295         { 0x21, SONYPI_EVENT_FNKEY_1 },
 296         { 0x22, SONYPI_EVENT_FNKEY_2 },
 297         { 0x31, SONYPI_EVENT_FNKEY_D },
 298         { 0x32, SONYPI_EVENT_FNKEY_E },
 299         { 0x33, SONYPI_EVENT_FNKEY_F },
 300         { 0x34, SONYPI_EVENT_FNKEY_S },
 301         { 0x35, SONYPI_EVENT_FNKEY_B },
 302         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 303         { 0, 0 }
 304 };
 305
 306 /* The set of possible program key events */
 307 static struct sonypi_event sonypi_pkeyev[] = {
 308         { 0x01, SONYPI_EVENT_PKEY_P1 },
 309         { 0x02, SONYPI_EVENT_PKEY_P2 },
 310         { 0x04, SONYPI_EVENT_PKEY_P3 },
 311         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 312         { 0, 0 }
 313 };
 314
 315 /* The set of possible bluetooth events */
 316 static struct sonypi_event sonypi_blueev[] = {
 317         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 318         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 319         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 320         { 0, 0 }
 321 };
 322
 323 /* The set of possible wireless events */
 324 static struct sonypi_event sonypi_wlessev[] = {
 325         { 0x59, SONYPI_EVENT_WIRELESS_ON },
 326         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 327         { 0, 0 }
 328 };
 329
 330 /* The set of possible back button events */
 331 static struct sonypi_event sonypi_backev[] = {
 332         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 333         { 0, 0 }
 334 };
 335
 336 /* The set of possible help button events */
 337 static struct sonypi_event sonypi_helpev[] = {
 338         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 339         { 0, 0 }
 340 };
 341
 342
 343 /* The set of possible lid events */
 344 static struct sonypi_event sonypi_lidev[] = {
 345         { 0x51, SONYPI_EVENT_LID_CLOSED },
 346         { 0x50, SONYPI_EVENT_LID_OPENED },
 347         { 0, 0 }
 348 };
 349
 350 /* The set of possible zoom events */
 351 static struct sonypi_event sonypi_zoomev[] = {
 352         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 353         { 0, 0 }
 354 };
 355
 356 /* The set of possible thumbphrase events */
 357 static struct sonypi_event sonypi_thumbphraseev[] = {
 358         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 359         { 0, 0 }
 360 };
 361
 362 /* The set of possible motioneye camera events */
 363 static struct sonypi_event sonypi_meyeev[] = {
 364         { 0x00, SONYPI_EVENT_MEYE_FACE },
 365         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 366         { 0, 0 }
 367 };
 368
 369 /* The set of possible memorystick events */
 370 static struct sonypi_event sonypi_memorystickev[] = {
 371         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 372         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 373         { 0, 0 }
 374 };
 375
 376 /* The set of possible battery events */
 377 static struct sonypi_event sonypi_batteryev[] = {
 378         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 379         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 380         { 0, 0 }
 381 };
 382
 383 static struct sonypi_eventtypes {
 384         int                     model;
 385         u8                      data;
 386         unsigned long           mask;
 387         struct sonypi_event *   events;
 388 } sonypi_eventtypes[] = {
 389         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 390         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 391         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 392         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 393         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 394         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 395         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 396         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 397         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 398         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 399
 400         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 401         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 402         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 403         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 404         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 405         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 406         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 407         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 408         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 409         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 410         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 411         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 412         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 413         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 414
 415         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 416         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 417         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 418         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 419         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 420         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 421         { 0 }
 422 };
 423
 424 #define SONYPI_BUF_SIZE 128
 425
 426 /* Correspondance table between sonypi events and input layer events */
 427 static struct {
 428         int sonypiev;
 429         int inputev;
 430 } sonypi_inputkeys[] = {
 431         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 432         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 433         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 434         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 435         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 436         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 437         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 438         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 439         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 440         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 441         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 442         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 443         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 444         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 445         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 446         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 447         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 448         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 449         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 450         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 451         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 452         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 453         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 454         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 455         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 456         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 457         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 458         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 459         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 460         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 461         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 462         { 0, 0 },
 463 };
 464
 465 struct sonypi_keypress {
 466         struct input_dev *dev;
 467         int key;
 468 };
 469
 470 static struct sonypi_device {
 471         struct pci_dev *dev;
 472         u16 irq;
 473         u16 bits;
 474         u16 ioport1;
 475         u16 ioport2;
 476         u16 region_size;
 477         u16 evtype_offset;
 478         int camera_power;
 479         int bluetooth_power;
 480         struct semaphore lock;
 481         struct kfifo *fifo;
 482         spinlock_t fifo_lock;
 483         wait_queue_head_t fifo_proc_list;
 484         struct fasync_struct *fifo_async;
 485         int open_count;
 486         int model;
 487         struct input_dev *input_jog_dev;
 488         struct input_dev *input_key_dev;
 489         struct work_struct input_work;
 490         struct kfifo *input_fifo;
 491         spinlock_t input_fifo_lock;
 492 } sonypi_device;
 493
 494 #define ITERATIONS_LONG         10000
 495 #define ITERATIONS_SHORT        10
 496
 497 #define wait_on_command(quiet, command, iterations) { \
 498         unsigned int n = iterations; \
 499         while (--n && (command)) \
 500                 udelay(1); \
 501         if (!n && (verbose || !quiet)) \
 502                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 503 }
 504
 505 #ifdef CONFIG_ACPI
 506 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 507 #else
 508 #define SONYPI_ACPI_ACTIVE 0
 509 #endif                          /* CONFIG_ACPI */
 510
 511 #ifdef CONFIG_ACPI
 512 static struct acpi_device *sonypi_acpi_device;
 513 static int acpi_driver_registered;
 514 #endif
 515
 516 static int sonypi_ec_write(u8 addr, u8 value)
 517 {
 518 #ifdef CONFIG_ACPI_EC
 519         if (SONYPI_ACPI_ACTIVE)
 520                 return ec_write(addr, value);
 521 #endif
 522         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 523         outb_p(0x81, SONYPI_CST_IOPORT);
 524         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 525         outb_p(addr, SONYPI_DATA_IOPORT);
 526         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 527         outb_p(value, SONYPI_DATA_IOPORT);
 528         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 529         return 0;
 530 }
 531
 532 static int sonypi_ec_read(u8 addr, u8 *value)
 533 {
 534 #ifdef CONFIG_ACPI_EC
 535         if (SONYPI_ACPI_ACTIVE)
 536                 return ec_read(addr, value);
 537 #endif
 538         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 539         outb_p(0x80, SONYPI_CST_IOPORT);
 540         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 541         outb_p(addr, SONYPI_DATA_IOPORT);
 542         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 543         *value = inb_p(SONYPI_DATA_IOPORT);
 544         return 0;
 545 }
 546
 547 static int ec_read16(u8 addr, u16 *value)
 548 {
 549         u8 val_lb, val_hb;
 550         if (sonypi_ec_read(addr, &val_lb))
 551                 return -1;
 552         if (sonypi_ec_read(addr + 1, &val_hb))
 553                 return -1;
 554         *value = val_lb | (val_hb << 8);
 555         return 0;
 556 }
 557
 558 /* Initializes the device - this comes from the AML code in the ACPI bios */
 559 static void sonypi_type1_srs(void)
 560 {
 561         u32 v;
 562
 563         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 564         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 565         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 566
 567         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 568         v = (v & 0xFFF0FFFF) |
 569             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 570         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 571
 572         v = inl(SONYPI_IRQ_PORT);
 573         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 574         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 575         outl(v, SONYPI_IRQ_PORT);
 576
 577         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 578         v = (v & 0xFF1FFFFF) | 0x00C00000;
 579         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 580 }
 581
 582 static void sonypi_type2_srs(void)
 583 {
 584         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 585                 printk(KERN_WARNING "ec_write failed\n");
 586         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 587                 printk(KERN_WARNING "ec_write failed\n");
 588         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 589                 printk(KERN_WARNING "ec_write failed\n");
 590         udelay(10);
 591 }
 592
 593 static void sonypi_type3_srs(void)
 594 {
 595         u16 v16;
 596         u8  v8;
 597
 598         /* This model type uses the same initialiazation of
 599          * the embedded controller as the type2 models. */
 600         sonypi_type2_srs();
 601
 602         /* Initialization of PCI config space of the LPC interface bridge. */
 603         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 604         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 605         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 606         v8 = (v8 & 0xCF) | 0x10;
 607         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 608 }
 609
 610 /* Disables the device - this comes from the AML code in the ACPI bios */
 611 static void sonypi_type1_dis(void)
 612 {
 613         u32 v;
 614
 615         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 616         v = v & 0xFF3FFFFF;
 617         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 618
 619         v = inl(SONYPI_IRQ_PORT);
 620         v |= (0x3 << SONYPI_IRQ_SHIFT);
 621         outl(v, SONYPI_IRQ_PORT);
 622 }
 623
 624 static void sonypi_type2_dis(void)
 625 {
 626         if (sonypi_ec_write(SONYPI_SHIB, 0))
 627                 printk(KERN_WARNING "ec_write failed\n");
 628         if (sonypi_ec_write(SONYPI_SLOB, 0))
 629                 printk(KERN_WARNING "ec_write failed\n");
 630         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 631                 printk(KERN_WARNING "ec_write failed\n");
 632 }
 633
 634 static void sonypi_type3_dis(void)
 635 {
 636         sonypi_type2_dis();
 637         udelay(10);
 638         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 639 }
 640
 641 static u8 sonypi_call1(u8 dev)
 642 {
 643         u8 v1, v2;
 644
 645         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 646         outb(dev, sonypi_device.ioport2);
 647         v1 = inb_p(sonypi_device.ioport2);
 648         v2 = inb_p(sonypi_device.ioport1);
 649         return v2;
 650 }
 651
 652 static u8 sonypi_call2(u8 dev, u8 fn)
 653 {
 654         u8 v1;
 655
 656         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 657         outb(dev, sonypi_device.ioport2);
 658         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 659         outb(fn, sonypi_device.ioport1);
 660         v1 = inb_p(sonypi_device.ioport1);
 661         return v1;
 662 }
 663
 664 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 665 {
 666         u8 v1;
 667
 668         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 669         outb(dev, sonypi_device.ioport2);
 670         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 671         outb(fn, sonypi_device.ioport1);
 672         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 673         outb(v, sonypi_device.ioport1);
 674         v1 = inb_p(sonypi_device.ioport1);
 675         return v1;
 676 }
 677
 678 #if 0
 679 /* Get brightness, hue etc. Unreliable... */
 680 static u8 sonypi_read(u8 fn)
 681 {
 682         u8 v1, v2;
 683         int n = 100;
 684
 685         while (n--) {
 686                 v1 = sonypi_call2(0x8f, fn);
 687                 v2 = sonypi_call2(0x8f, fn);
 688                 if (v1 == v2 && v1 != 0xff)
 689                         return v1;
 690         }
 691         return 0xff;
 692 }
 693 #endif
 694
 695 /* Set brightness, hue etc */
 696 static void sonypi_set(u8 fn, u8 v)
 697 {
 698         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 699 }
 700
 701 /* Tests if the camera is ready */
 702 static int sonypi_camera_ready(void)
 703 {
 704         u8 v;
 705
 706         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 707         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 708 }
 709
 710 /* Turns the camera off */
 711 static void sonypi_camera_off(void)
 712 {
 713         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 714
 715         if (!sonypi_device.camera_power)
 716                 return;
 717
 718         sonypi_call2(0x91, 0);
 719         sonypi_device.camera_power = 0;
 720 }
 721
 722 /* Turns the camera on */
 723 static void sonypi_camera_on(void)
 724 {
 725         int i, j;
 726
 727         if (sonypi_device.camera_power)
 728                 return;
 729
 730         for (j = 5; j > 0; j--) {
 731
 732                 while (sonypi_call2(0x91, 0x1))
 733                         msleep(10);
 734                 sonypi_call1(0x93);
 735
 736                 for (i = 400; i > 0; i--) {
 737                         if (sonypi_camera_ready())
 738                                 break;
 739                         msleep(10);
 740                 }
 741                 if (i)
 742                         break;
 743         }
 744
 745         if (j == 0) {
 746                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 747                 return;
 748         }
 749
 750         sonypi_set(0x10, 0x5a);
 751         sonypi_device.camera_power = 1;
 752 }
 753
 754 /* sets the bluetooth subsystem power state */
 755 static void sonypi_setbluetoothpower(u8 state)
 756 {
 757         state = !!state;
 758
 759         if (sonypi_device.bluetooth_power == state)
 760                 return;
 761
 762         sonypi_call2(0x96, state);
 763         sonypi_call1(0x82);
 764         sonypi_device.bluetooth_power = state;
 765 }
 766
 767 static void input_keyrelease(struct work_struct *work)
 768 {
 769         struct sonypi_keypress kp;
 770
 771         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
 772                          sizeof(kp)) == sizeof(kp)) {
 773                 msleep(10);
 774                 input_report_key(kp.dev, kp.key, 0);
 775                 input_sync(kp.dev);
 776         }
 777 }
 778
 779 static void sonypi_report_input_event(u8 event)
 780 {
 781         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 782         struct input_dev *key_dev = sonypi_device.input_key_dev;
 783         struct sonypi_keypress kp = { NULL };
 784         int i;
 785
 786         switch (event) {
 787         case SONYPI_EVENT_JOGDIAL_UP:
 788         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 789                 input_report_rel(jog_dev, REL_WHEEL, 1);
 790                 input_sync(jog_dev);
 791                 break;
 792
 793         case SONYPI_EVENT_JOGDIAL_DOWN:
 794         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 795                 input_report_rel(jog_dev, REL_WHEEL, -1);
 796                 input_sync(jog_dev);
 797                 break;
 798
 799         case SONYPI_EVENT_JOGDIAL_PRESSED:
 800                 kp.key = BTN_MIDDLE;
 801                 kp.dev = jog_dev;
 802                 break;
 803
 804         case SONYPI_EVENT_FNKEY_RELEASED:
 805                 /* Nothing, not all VAIOs generate this event */
 806                 break;
 807
 808         default:
 809                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 810                         if (event == sonypi_inputkeys[i].sonypiev) {
 811                                 kp.dev = key_dev;
 812                                 kp.key = sonypi_inputkeys[i].inputev;
 813                                 break;
 814                         }
 815                 break;
 816         }
 817
 818         if (kp.dev) {
 819                 input_report_key(kp.dev, kp.key, 1);
 820                 input_sync(kp.dev);
 821                 kfifo_put(sonypi_device.input_fifo,
 822                           (unsigned char *)&kp, sizeof(kp));
 823                 schedule_work(&sonypi_device.input_work);
 824         }
 825 }
 826
 827 /* Interrupt handler: some event is available */
 828 static irqreturn_t sonypi_irq(int irq, void *dev_id)
 829 {
 830         u8 v1, v2, event = 0;
 831         int i, j;
 832
 833         v1 = inb_p(sonypi_device.ioport1);
 834         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 835
 836         for (i = 0; sonypi_eventtypes[i].model; i++) {
 837                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 838                         continue;
 839                 if ((v2 & sonypi_eventtypes[i].data) !=
 840                     sonypi_eventtypes[i].data)
 841                         continue;
 842                 if (!(mask & sonypi_eventtypes[i].mask))
 843                         continue;
 844                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 845                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 846                                 event = sonypi_eventtypes[i].events[j].event;
 847                                 goto found;
 848                         }
 849                 }
 850         }
 851
 852         if (verbose)
 853                 printk(KERN_WARNING
 854                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 855                        v1, v2);
 856         /* We need to return IRQ_HANDLED here because there *are*
 857          * events belonging to the sonypi device we don't know about,
 858          * but we still don't want those to pollute the logs... */
 859         return IRQ_HANDLED;
 860
 861 found:
 862         if (verbose > 1)
 863                 printk(KERN_INFO
 864                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 865
 866         if (useinput)
 867                 sonypi_report_input_event(event);
 868
 869 #ifdef CONFIG_ACPI
 870         if (sonypi_acpi_device)
 871                 acpi_bus_generate_event(sonypi_acpi_device, 1, event);
 872 #endif
 873
 874         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 875         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 876         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 877
 878         return IRQ_HANDLED;
 879 }
 880
 881 /* External camera command (exported to the motion eye v4l driver) */
 882 int sonypi_camera_command(int command, u8 value)
 883 {
 884         if (!camera)
 885                 return -EIO;
 886
 887         down(&sonypi_device.lock);
 888
 889         switch (command) {
 890         case SONYPI_COMMAND_SETCAMERA:
 891                 if (value)
 892                         sonypi_camera_on();
 893                 else
 894                         sonypi_camera_off();
 895                 break;
 896         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 897                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 898                 break;
 899         case SONYPI_COMMAND_SETCAMERACONTRAST:
 900                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 901                 break;
 902         case SONYPI_COMMAND_SETCAMERAHUE:
 903                 sonypi_set(SONYPI_CAMERA_HUE, value);
 904                 break;
 905         case SONYPI_COMMAND_SETCAMERACOLOR:
 906                 sonypi_set(SONYPI_CAMERA_COLOR, value);
 907                 break;
 908         case SONYPI_COMMAND_SETCAMERASHARPNESS:
 909                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 910                 break;
 911         case SONYPI_COMMAND_SETCAMERAPICTURE:
 912                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
 913                 break;
 914         case SONYPI_COMMAND_SETCAMERAAGC:
 915                 sonypi_set(SONYPI_CAMERA_AGC, value);
 916                 break;
 917         default:
 918                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 919                        command);
 920                 break;
 921         }
 922         up(&sonypi_device.lock);
 923         return 0;
 924 }
 925
 926 EXPORT_SYMBOL(sonypi_camera_command);
 927
 928 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 929 {
 930         int retval;
 931
 932         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 933         if (retval < 0)
 934                 return retval;
 935         return 0;
 936 }
 937
 938 static int sonypi_misc_release(struct inode *inode, struct file *file)
 939 {
 940         sonypi_misc_fasync(-1, file, 0);
 941         down(&sonypi_device.lock);
 942         sonypi_device.open_count--;
 943         up(&sonypi_device.lock);
 944         return 0;
 945 }
 946
 947 static int sonypi_misc_open(struct inode *inode, struct file *file)
 948 {
 949         down(&sonypi_device.lock);
 950         /* Flush input queue on first open */
 951         if (!sonypi_device.open_count)
 952                 kfifo_reset(sonypi_device.fifo);
 953         sonypi_device.open_count++;
 954         up(&sonypi_device.lock);
 955         return 0;
 956 }
 957
 958 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 959                                 size_t count, loff_t *pos)
 960 {
 961         ssize_t ret;
 962         unsigned char c;
 963
 964         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 965             (file->f_flags & O_NONBLOCK))
 966                 return -EAGAIN;
 967
 968         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 969                                        kfifo_len(sonypi_device.fifo) != 0);
 970         if (ret)
 971                 return ret;
 972
 973         while (ret < count &&
 974                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 975                 if (put_user(c, buf++))
 976                         return -EFAULT;
 977                 ret++;
 978         }
 979
 980         if (ret > 0) {
 981                 struct inode *inode = file->f_path.dentry->d_inode;
 982                 inode->i_atime = current_fs_time(inode->i_sb);
 983         }
 984
 985         return ret;
 986 }
 987
 988 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 989 {
 990         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 991         if (kfifo_len(sonypi_device.fifo))
 992                 return POLLIN | POLLRDNORM;
 993         return 0;
 994 }
 995
 996 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 997                              unsigned int cmd, unsigned long arg)
 998 {
 999         int ret = 0;
1000         void __user *argp = (void __user *)arg;
1001         u8 val8;
1002         u16 val16;
1003
1004         down(&sonypi_device.lock);
1005         switch (cmd) {
1006         case SONYPI_IOCGBRT:
1007                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1008                         ret = -EIO;
1009                         break;
1010                 }
1011                 if (copy_to_user(argp, &val8, sizeof(val8)))
1012                         ret = -EFAULT;
1013                 break;
1014         case SONYPI_IOCSBRT:
1015                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1016                         ret = -EFAULT;
1017                         break;
1018                 }
1019                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1020                         ret = -EIO;
1021                 break;
1022         case SONYPI_IOCGBAT1CAP:
1023                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1024                         ret = -EIO;
1025                         break;
1026                 }
1027                 if (copy_to_user(argp, &val16, sizeof(val16)))
1028                         ret = -EFAULT;
1029                 break;
1030         case SONYPI_IOCGBAT1REM:
1031                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1032                         ret = -EIO;
1033                         break;
1034                 }
1035                 if (copy_to_user(argp, &val16, sizeof(val16)))
1036                         ret = -EFAULT;
1037                 break;
1038         case SONYPI_IOCGBAT2CAP:
1039                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1040                         ret = -EIO;
1041                         break;
1042                 }
1043                 if (copy_to_user(argp, &val16, sizeof(val16)))
1044                         ret = -EFAULT;
1045                 break;
1046         case SONYPI_IOCGBAT2REM:
1047                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1048                         ret = -EIO;
1049                         break;
1050                 }
1051                 if (copy_to_user(argp, &val16, sizeof(val16)))
1052                         ret = -EFAULT;
1053                 break;
1054         case SONYPI_IOCGBATFLAGS:
1055                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1056                         ret = -EIO;
1057                         break;
1058                 }
1059                 val8 &= 0x07;
1060                 if (copy_to_user(argp, &val8, sizeof(val8)))
1061                         ret = -EFAULT;
1062                 break;
1063         case SONYPI_IOCGBLUE:
1064                 val8 = sonypi_device.bluetooth_power;
1065                 if (copy_to_user(argp, &val8, sizeof(val8)))
1066                         ret = -EFAULT;
1067                 break;
1068         case SONYPI_IOCSBLUE:
1069                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1070                         ret = -EFAULT;
1071                         break;
1072                 }
1073                 sonypi_setbluetoothpower(val8);
1074                 break;
1075         /* FAN Controls */
1076         case SONYPI_IOCGFAN:
1077                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1078                         ret = -EIO;
1079                         break;
1080                 }
1081                 if (copy_to_user(argp, &val8, sizeof(val8)))
1082                         ret = -EFAULT;
1083                 break;
1084         case SONYPI_IOCSFAN:
1085                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1086                         ret = -EFAULT;
1087                         break;
1088                 }
1089                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1090                         ret = -EIO;
1091                 break;
1092         /* GET Temperature (useful under APM) */
1093         case SONYPI_IOCGTEMP:
1094                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1095                         ret = -EIO;
1096                         break;
1097                 }
1098                 if (copy_to_user(argp, &val8, sizeof(val8)))
1099                         ret = -EFAULT;
1100                 break;
1101         default:
1102                 ret = -EINVAL;
1103         }
1104         up(&sonypi_device.lock);
1105         return ret;
1106 }
1107
1108 static const struct file_operations sonypi_misc_fops = {
1109         .owner          = THIS_MODULE,
1110         .read           = sonypi_misc_read,
1111         .poll           = sonypi_misc_poll,
1112         .open           = sonypi_misc_open,
1113         .release        = sonypi_misc_release,
1114         .fasync         = sonypi_misc_fasync,
1115         .ioctl          = sonypi_misc_ioctl,
1116 };
1117
1118 static struct miscdevice sonypi_misc_device = {
1119         .minor          = MISC_DYNAMIC_MINOR,
1120         .name           = "sonypi",
1121         .fops           = &sonypi_misc_fops,
1122 };
1123
1124 static void sonypi_enable(unsigned int camera_on)
1125 {
1126         switch (sonypi_device.model) {
1127         case SONYPI_DEVICE_MODEL_TYPE1:
1128                 sonypi_type1_srs();
1129                 break;
1130         case SONYPI_DEVICE_MODEL_TYPE2:
1131                 sonypi_type2_srs();
1132                 break;
1133         case SONYPI_DEVICE_MODEL_TYPE3:
1134                 sonypi_type3_srs();
1135                 break;
1136         }
1137
1138         sonypi_call1(0x82);
1139         sonypi_call2(0x81, 0xff);
1140         sonypi_call1(compat ? 0x92 : 0x82);
1141
1142         /* Enable ACPI mode to get Fn key events */
1143         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1144                 outb(0xf0, 0xb2);
1145
1146         if (camera && camera_on)
1147                 sonypi_camera_on();
1148 }
1149
1150 static int sonypi_disable(void)
1151 {
1152         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1153         if (camera)
1154                 sonypi_camera_off();
1155
1156         /* disable ACPI mode */
1157         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1158                 outb(0xf1, 0xb2);
1159
1160         switch (sonypi_device.model) {
1161         case SONYPI_DEVICE_MODEL_TYPE1:
1162                 sonypi_type1_dis();
1163                 break;
1164         case SONYPI_DEVICE_MODEL_TYPE2:
1165                 sonypi_type2_dis();
1166                 break;
1167         case SONYPI_DEVICE_MODEL_TYPE3:
1168                 sonypi_type3_dis();
1169                 break;
1170         }
1171
1172         return 0;
1173 }
1174
1175 #ifdef CONFIG_ACPI
1176 static int sonypi_acpi_add(struct acpi_device *device)
1177 {
1178         sonypi_acpi_device = device;
1179         strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1180         strcpy(acpi_device_class(device), "sony/hotkey");
1181         return 0;
1182 }
1183
1184 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1185 {
1186         sonypi_acpi_device = NULL;
1187         return 0;
1188 }
1189
1190 static struct acpi_driver sonypi_acpi_driver = {
1191         .name           = "sonypi",
1192         .class          = "hkey",
1193         .ids            = "SNY6001",
1194         .ops            = {
1195                            .add = sonypi_acpi_add,
1196                            .remove = sonypi_acpi_remove,
1197         },
1198 };
1199 #endif
1200
1201 static int __devinit sonypi_create_input_devices(void)
1202 {
1203         struct input_dev *jog_dev;
1204         struct input_dev *key_dev;
1205         int i;
1206         int error;
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                 error = -ENOMEM;
1223                 goto err_free_jogdev;
1224         }
1225
1226         key_dev->name = "Sony Vaio Keys";
1227         key_dev->id.bustype = BUS_ISA;
1228         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1229
1230         /* Initialize the Input Drivers: special keys */
1231         key_dev->evbit[0] = BIT(EV_KEY);
1232         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1233                 if (sonypi_inputkeys[i].inputev)
1234                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1235
1236         error = input_register_device(jog_dev);
1237         if (error)
1238                 goto err_free_keydev;
1239
1240         error = input_register_device(key_dev);
1241         if (error)
1242                 goto err_unregister_jogdev;
1243
1244         return 0;
1245
1246  err_unregister_jogdev:
1247         input_unregister_device(jog_dev);
1248         /* Set to NULL so we don't free it again below */
1249         jog_dev = NULL;
1250  err_free_keydev:
1251         input_free_device(key_dev);
1252         sonypi_device.input_key_dev = NULL;
1253  err_free_jogdev:
1254         input_free_device(jog_dev);
1255         sonypi_device.input_jog_dev = NULL;
1256
1257         return error;
1258 }
1259
1260 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1261                                 const struct sonypi_ioport_list *ioport_list)
1262 {
1263         while (ioport_list->port1) {
1264
1265                 if (request_region(ioport_list->port1,
1266                                    sonypi_device.region_size,
1267                                    "Sony Programable I/O Device")) {
1268                         dev->ioport1 = ioport_list->port1;
1269                         dev->ioport2 = ioport_list->port2;
1270                         return 0;
1271                 }
1272                 ioport_list++;
1273         }
1274
1275         return -EBUSY;
1276 }
1277
1278 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1279                                       const struct sonypi_irq_list *irq_list)
1280 {
1281         while (irq_list->irq) {
1282
1283                 if (!request_irq(irq_list->irq, sonypi_irq,
1284                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1285                         dev->irq = irq_list->irq;
1286                         dev->bits = irq_list->bits;
1287                         return 0;
1288                 }
1289                 irq_list++;
1290         }
1291
1292         return -EBUSY;
1293 }
1294
1295 static void __devinit sonypi_display_info(void)
1296 {
1297         printk(KERN_INFO "sonypi: detected type%d model, "
1298                "verbose = %d, fnkeyinit = %s, camera = %s, "
1299                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1300                sonypi_device.model,
1301                verbose,
1302                fnkeyinit ? "on" : "off",
1303                camera ? "on" : "off",
1304                compat ? "on" : "off",
1305                mask,
1306                useinput ? "on" : "off",
1307                SONYPI_ACPI_ACTIVE ? "on" : "off");
1308         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1309                sonypi_device.irq,
1310                sonypi_device.ioport1, sonypi_device.ioport2);
1311
1312         if (minor == -1)
1313                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1314                        sonypi_misc_device.minor);
1315 }
1316
1317 static int __devinit sonypi_probe(struct platform_device *dev)
1318 {
1319         const struct sonypi_ioport_list *ioport_list;
1320         const struct sonypi_irq_list *irq_list;
1321         struct pci_dev *pcidev;
1322         int error;
1323
1324         spin_lock_init(&sonypi_device.fifo_lock);
1325         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1326                                          &sonypi_device.fifo_lock);
1327         if (IS_ERR(sonypi_device.fifo)) {
1328                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1329                 return PTR_ERR(sonypi_device.fifo);
1330         }
1331
1332         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1333         init_MUTEX(&sonypi_device.lock);
1334         sonypi_device.bluetooth_power = -1;
1335
1336         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1337                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1338                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1339         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1340                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1341                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1342         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1343                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1344                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1345         else
1346                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1347
1348         if (pcidev && pci_enable_device(pcidev)) {
1349                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1350                 error = -EIO;
1351                 goto err_put_pcidev;
1352         }
1353
1354         sonypi_device.dev = pcidev;
1355
1356         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1357                 ioport_list = sonypi_type1_ioport_list;
1358                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1359                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1360                 irq_list = sonypi_type1_irq_list;
1361         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1362                 ioport_list = sonypi_type2_ioport_list;
1363                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1364                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1365                 irq_list = sonypi_type2_irq_list;
1366         } else {
1367                 ioport_list = sonypi_type3_ioport_list;
1368                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1369                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1370                 irq_list = sonypi_type3_irq_list;
1371         }
1372
1373         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1374         if (error) {
1375                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1376                 goto err_disable_pcidev;
1377         }
1378
1379         error = sonypi_setup_irq(&sonypi_device, irq_list);
1380         if (error) {
1381                 printk(KERN_ERR "sonypi: request_irq failed\n");
1382                 goto err_free_ioports;
1383         }
1384
1385         if (minor != -1)
1386                 sonypi_misc_device.minor = minor;
1387         error = misc_register(&sonypi_misc_device);
1388         if (error) {
1389                 printk(KERN_ERR "sonypi: misc_register failed\n");
1390                 goto err_free_irq;
1391         }
1392
1393         sonypi_display_info();
1394
1395         if (useinput) {
1396
1397                 error = sonypi_create_input_devices();
1398                 if (error) {
1399                         printk(KERN_ERR
1400                                 "sonypi: failed to create input devices\n");
1401                         goto err_miscdev_unregister;
1402                 }
1403
1404                 spin_lock_init(&sonypi_device.input_fifo_lock);
1405                 sonypi_device.input_fifo =
1406                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1407                                     &sonypi_device.input_fifo_lock);
1408                 if (IS_ERR(sonypi_device.input_fifo)) {
1409                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1410                         error = PTR_ERR(sonypi_device.input_fifo);
1411                         goto err_inpdev_unregister;
1412                 }
1413
1414                 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1415         }
1416
1417         sonypi_enable(0);
1418
1419         return 0;
1420
1421  err_inpdev_unregister:
1422         input_unregister_device(sonypi_device.input_key_dev);
1423         input_unregister_device(sonypi_device.input_jog_dev);
1424  err_miscdev_unregister:
1425         misc_deregister(&sonypi_misc_device);
1426  err_free_irq:
1427         free_irq(sonypi_device.irq, sonypi_irq);
1428  err_free_ioports:
1429         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1430  err_disable_pcidev:
1431         if (pcidev)
1432                 pci_disable_device(pcidev);
1433  err_put_pcidev:
1434         pci_dev_put(pcidev);
1435         kfifo_free(sonypi_device.fifo);
1436
1437         return error;
1438 }
1439
1440 static int __devexit sonypi_remove(struct platform_device *dev)
1441 {
1442         sonypi_disable();
1443
1444         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1445         flush_scheduled_work();
1446
1447         if (useinput) {
1448                 input_unregister_device(sonypi_device.input_key_dev);
1449                 input_unregister_device(sonypi_device.input_jog_dev);
1450                 kfifo_free(sonypi_device.input_fifo);
1451         }
1452
1453         misc_deregister(&sonypi_misc_device);
1454
1455         free_irq(sonypi_device.irq, sonypi_irq);
1456         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1457
1458         if (sonypi_device.dev) {
1459                 pci_disable_device(sonypi_device.dev);
1460                 pci_dev_put(sonypi_device.dev);
1461         }
1462
1463         kfifo_free(sonypi_device.fifo);
1464
1465         return 0;
1466 }
1467
1468 #ifdef CONFIG_PM
1469 static int old_camera_power;
1470
1471 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1472 {
1473         old_camera_power = sonypi_device.camera_power;
1474         sonypi_disable();
1475
1476         return 0;
1477 }
1478
1479 static int sonypi_resume(struct platform_device *dev)
1480 {
1481         sonypi_enable(old_camera_power);
1482         return 0;
1483 }
1484 #else
1485 #define sonypi_suspend  NULL
1486 #define sonypi_resume   NULL
1487 #endif
1488
1489 static void sonypi_shutdown(struct platform_device *dev)
1490 {
1491         sonypi_disable();
1492 }
1493
1494 static struct platform_driver sonypi_driver = {
1495         .driver         = {
1496                 .name   = "sonypi",
1497                 .owner  = THIS_MODULE,
1498         },
1499         .probe          = sonypi_probe,
1500         .remove         = __devexit_p(sonypi_remove),
1501         .shutdown       = sonypi_shutdown,
1502         .suspend        = sonypi_suspend,
1503         .resume         = sonypi_resume,
1504 };
1505
1506 static struct platform_device *sonypi_platform_device;
1507
1508 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1509         {
1510                 .ident = "Sony Vaio",
1511                 .matches = {
1512                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1513                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1514                 },
1515         },
1516         {
1517                 .ident = "Sony Vaio",
1518                 .matches = {
1519                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1520                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1521                 },
1522         },
1523         { }
1524 };
1525
1526 static int __init sonypi_init(void)
1527 {
1528         int error;
1529
1530         printk(KERN_INFO
1531                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1532                 SONYPI_DRIVER_VERSION);
1533
1534         if (!dmi_check_system(sonypi_dmi_table))
1535                 return -ENODEV;
1536
1537         error = platform_driver_register(&sonypi_driver);
1538         if (error)
1539                 return error;
1540
1541         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1542         if (!sonypi_platform_device) {
1543                 error = -ENOMEM;
1544                 goto err_driver_unregister;
1545         }
1546
1547         error = platform_device_add(sonypi_platform_device);
1548         if (error)
1549                 goto err_free_device;
1550
1551 #ifdef CONFIG_ACPI
1552         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1553                 acpi_driver_registered = 1;
1554 #endif
1555
1556         return 0;
1557
1558  err_free_device:
1559         platform_device_put(sonypi_platform_device);
1560  err_driver_unregister:
1561         platform_driver_unregister(&sonypi_driver);
1562         return error;
1563 }
1564
1565 static void __exit sonypi_exit(void)
1566 {
1567 #ifdef CONFIG_ACPI
1568         if (acpi_driver_registered)
1569                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1570 #endif
1571         platform_device_unregister(sonypi_platform_device);
1572         platform_driver_unregister(&sonypi_driver);
1573         printk(KERN_INFO "sonypi: removed.\n");
1574 }
1575
1576 module_init(sonypi_init);
1577 module_exit(sonypi_exit);