drivers/char/sonypi.c

   1 /*
   2  * Sony Programmable I/O Control Device driver for VAIO
   3  *
   4  * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
   5  *
   6  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   7  *
   8  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
   9  *
  10  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  11  *
  12  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  13  *
  14  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  15  *
  16  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  17  *
  18  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  19  *
  20  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  21  *
  22  * This program is free software; you can redistribute it and/or modify
  23  * it under the terms of the GNU General Public License as published by
  24  * the Free Software Foundation; either version 2 of the License, or
  25  * (at your option) any later version.
  26  *
  27  * This program is distributed in the hope that it will be useful,
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30  * GNU General Public License for more details.
  31  *
  32  * You should have received a copy of the GNU General Public License
  33  * along with this program; if not, write to the Free Software
  34  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  35  *
  36  */
  37
  38 #include <linux/module.h>
  39 #include <linux/input.h>
  40 #include <linux/pci.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 static int check_ioport = 1;
 101 module_param(check_ioport, int, 0444);
 102 MODULE_PARM_DESC(check_ioport,
 103                  "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
 104
 105 #define SONYPI_DEVICE_MODEL_TYPE1       1
 106 #define SONYPI_DEVICE_MODEL_TYPE2       2
 107 #define SONYPI_DEVICE_MODEL_TYPE3       3
 108
 109 /* type1 models use those */
 110 #define SONYPI_IRQ_PORT                 0x8034
 111 #define SONYPI_IRQ_SHIFT                22
 112 #define SONYPI_TYPE1_BASE               0x50
 113 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 114 #define SONYPI_TYPE1_REGION_SIZE        0x08
 115 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 116
 117 /* type2 series specifics */
 118 #define SONYPI_SIRQ                     0x9b
 119 #define SONYPI_SLOB                     0x9c
 120 #define SONYPI_SHIB                     0x9d
 121 #define SONYPI_TYPE2_REGION_SIZE        0x20
 122 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 123
 124 /* type3 series specifics */
 125 #define SONYPI_TYPE3_BASE               0x40
 126 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 127 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 128 #define SONYPI_TYPE3_REGION_SIZE        0x20
 129 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 130
 131 /* battery / brightness addresses */
 132 #define SONYPI_BAT_FLAGS        0x81
 133 #define SONYPI_LCD_LIGHT        0x96
 134 #define SONYPI_BAT1_PCTRM       0xa0
 135 #define SONYPI_BAT1_LEFT        0xa2
 136 #define SONYPI_BAT1_MAXRT       0xa4
 137 #define SONYPI_BAT2_PCTRM       0xa8
 138 #define SONYPI_BAT2_LEFT        0xaa
 139 #define SONYPI_BAT2_MAXRT       0xac
 140 #define SONYPI_BAT1_MAXTK       0xb0
 141 #define SONYPI_BAT1_FULL        0xb2
 142 #define SONYPI_BAT2_MAXTK       0xb8
 143 #define SONYPI_BAT2_FULL        0xba
 144
 145 /* FAN0 information (reverse engineered from ACPI tables) */
 146 #define SONYPI_FAN0_STATUS      0x93
 147 #define SONYPI_TEMP_STATUS      0xC1
 148
 149 /* ioports used for brightness and type2 events */
 150 #define SONYPI_DATA_IOPORT      0x62
 151 #define SONYPI_CST_IOPORT       0x66
 152
 153 /* The set of possible ioports */
 154 struct sonypi_ioport_list {
 155         u16     port1;
 156         u16     port2;
 157 };
 158
 159 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 160         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 161         { 0x1080, 0x1084 },
 162         { 0x1090, 0x1094 },
 163         { 0x10a0, 0x10a4 },
 164         { 0x10b0, 0x10b4 },
 165         { 0x0, 0x0 }
 166 };
 167
 168 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 169         { 0x1080, 0x1084 },
 170         { 0x10a0, 0x10a4 },
 171         { 0x10c0, 0x10c4 },
 172         { 0x10e0, 0x10e4 },
 173         { 0x0, 0x0 }
 174 };
 175
 176 /* same as in type 2 models */
 177 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 178         sonypi_type2_ioport_list;
 179
 180 /* The set of possible interrupts */
 181 struct sonypi_irq_list {
 182         u16     irq;
 183         u16     bits;
 184 };
 185
 186 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 187         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 188         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 189         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 190         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 191 };
 192
 193 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 194         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 195         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 196         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 197         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 198         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 199 };
 200
 201 /* same as in type2 models */
 202 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 203
 204 #define SONYPI_CAMERA_BRIGHTNESS                0
 205 #define SONYPI_CAMERA_CONTRAST                  1
 206 #define SONYPI_CAMERA_HUE                       2
 207 #define SONYPI_CAMERA_COLOR                     3
 208 #define SONYPI_CAMERA_SHARPNESS                 4
 209
 210 #define SONYPI_CAMERA_PICTURE                   5
 211 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 212 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 213 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 214 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 215
 216 /* the rest don't need a loop until not 0xff */
 217 #define SONYPI_CAMERA_AGC                       6
 218 #define SONYPI_CAMERA_AGC_MASK                  0x30
 219 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 220
 221 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 222 #define SONYPI_CAMERA_CONTROL                   0x10
 223
 224 #define SONYPI_CAMERA_STATUS                    7
 225 #define SONYPI_CAMERA_STATUS_READY              0x2
 226 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 227
 228 #define SONYPI_DIRECTION_BACKWARDS              0x4
 229
 230 #define SONYPI_CAMERA_REVISION                  8
 231 #define SONYPI_CAMERA_ROMVERSION                9
 232
 233 /* Event masks */
 234 #define SONYPI_JOGGER_MASK                      0x00000001
 235 #define SONYPI_CAPTURE_MASK                     0x00000002
 236 #define SONYPI_FNKEY_MASK                       0x00000004
 237 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 238 #define SONYPI_PKEY_MASK                        0x00000010
 239 #define SONYPI_BACK_MASK                        0x00000020
 240 #define SONYPI_HELP_MASK                        0x00000040
 241 #define SONYPI_LID_MASK                         0x00000080
 242 #define SONYPI_ZOOM_MASK                        0x00000100
 243 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 244 #define SONYPI_MEYE_MASK                        0x00000400
 245 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 246 #define SONYPI_BATTERY_MASK                     0x00001000
 247 #define SONYPI_WIRELESS_MASK                    0x00002000
 248
 249 struct sonypi_event {
 250         u8      data;
 251         u8      event;
 252 };
 253
 254 /* The set of possible button release events */
 255 static struct sonypi_event sonypi_releaseev[] = {
 256         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 257         { 0, 0 }
 258 };
 259
 260 /* The set of possible jogger events  */
 261 static struct sonypi_event sonypi_joggerev[] = {
 262         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 263         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 264         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 265         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 266         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 267         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 268         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 269         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 270         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 271         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 272         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 273         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 274         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 275         { 0, 0 }
 276 };
 277
 278 /* The set of possible capture button events */
 279 static struct sonypi_event sonypi_captureev[] = {
 280         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 281         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 282         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 283         { 0, 0 }
 284 };
 285
 286 /* The set of possible fnkeys events */
 287 static struct sonypi_event sonypi_fnkeyev[] = {
 288         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 289         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 290         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 291         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 292         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 293         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 294         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 295         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 296         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 297         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 298         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 299         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 300         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 301         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 302         { 0x21, SONYPI_EVENT_FNKEY_1 },
 303         { 0x22, SONYPI_EVENT_FNKEY_2 },
 304         { 0x31, SONYPI_EVENT_FNKEY_D },
 305         { 0x32, SONYPI_EVENT_FNKEY_E },
 306         { 0x33, SONYPI_EVENT_FNKEY_F },
 307         { 0x34, SONYPI_EVENT_FNKEY_S },
 308         { 0x35, SONYPI_EVENT_FNKEY_B },
 309         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 310         { 0, 0 }
 311 };
 312
 313 /* The set of possible program key events */
 314 static struct sonypi_event sonypi_pkeyev[] = {
 315         { 0x01, SONYPI_EVENT_PKEY_P1 },
 316         { 0x02, SONYPI_EVENT_PKEY_P2 },
 317         { 0x04, SONYPI_EVENT_PKEY_P3 },
 318         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 319         { 0, 0 }
 320 };
 321
 322 /* The set of possible bluetooth events */
 323 static struct sonypi_event sonypi_blueev[] = {
 324         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 325         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 326         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 327         { 0, 0 }
 328 };
 329
 330 /* The set of possible wireless events */
 331 static struct sonypi_event sonypi_wlessev[] = {
 332         { 0x59, SONYPI_EVENT_WIRELESS_ON },
 333         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 334         { 0, 0 }
 335 };
 336
 337 /* The set of possible back button events */
 338 static struct sonypi_event sonypi_backev[] = {
 339         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 340         { 0, 0 }
 341 };
 342
 343 /* The set of possible help button events */
 344 static struct sonypi_event sonypi_helpev[] = {
 345         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 346         { 0, 0 }
 347 };
 348
 349
 350 /* The set of possible lid events */
 351 static struct sonypi_event sonypi_lidev[] = {
 352         { 0x51, SONYPI_EVENT_LID_CLOSED },
 353         { 0x50, SONYPI_EVENT_LID_OPENED },
 354         { 0, 0 }
 355 };
 356
 357 /* The set of possible zoom events */
 358 static struct sonypi_event sonypi_zoomev[] = {
 359         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 360         { 0, 0 }
 361 };
 362
 363 /* The set of possible thumbphrase events */
 364 static struct sonypi_event sonypi_thumbphraseev[] = {
 365         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 366         { 0, 0 }
 367 };
 368
 369 /* The set of possible motioneye camera events */
 370 static struct sonypi_event sonypi_meyeev[] = {
 371         { 0x00, SONYPI_EVENT_MEYE_FACE },
 372         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 373         { 0, 0 }
 374 };
 375
 376 /* The set of possible memorystick events */
 377 static struct sonypi_event sonypi_memorystickev[] = {
 378         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 379         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 380         { 0, 0 }
 381 };
 382
 383 /* The set of possible battery events */
 384 static struct sonypi_event sonypi_batteryev[] = {
 385         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 386         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 387         { 0, 0 }
 388 };
 389
 390 static struct sonypi_eventtypes {
 391         int                     model;
 392         u8                      data;
 393         unsigned long           mask;
 394         struct sonypi_event *   events;
 395 } sonypi_eventtypes[] = {
 396         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 397         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 398         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 399         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 400         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 401         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 402         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 403         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 404         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 405         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 406
 407         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 408         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 409         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 410         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 411         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 412         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 413         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 414         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 415         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 416         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 417         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 418         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 419         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 420         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 421
 422         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 423         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 424         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 425         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 426         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 427         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 428         { 0 }
 429 };
 430
 431 #define SONYPI_BUF_SIZE 128
 432
 433 /* Correspondance table between sonypi events and input layer events */
 434 static struct {
 435         int sonypiev;
 436         int inputev;
 437 } sonypi_inputkeys[] = {
 438         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 439         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 440         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 441         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 442         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 443         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 444         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 445         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 446         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 447         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 448         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 449         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 450         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 451         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 452         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 453         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 454         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 455         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 456         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 457         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 458         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 459         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 460         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 461         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 462         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 463         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 464         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 465         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 466         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 467         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 468         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 469         { 0, 0 },
 470 };
 471
 472 struct sonypi_keypress {
 473         struct input_dev *dev;
 474         int key;
 475 };
 476
 477 static struct sonypi_device {
 478         struct pci_dev *dev;
 479         u16 irq;
 480         u16 bits;
 481         u16 ioport1;
 482         u16 ioport2;
 483         u16 region_size;
 484         u16 evtype_offset;
 485         int camera_power;
 486         int bluetooth_power;
 487         struct mutex lock;
 488         struct kfifo *fifo;
 489         spinlock_t fifo_lock;
 490         wait_queue_head_t fifo_proc_list;
 491         struct fasync_struct *fifo_async;
 492         int open_count;
 493         int model;
 494         struct input_dev *input_jog_dev;
 495         struct input_dev *input_key_dev;
 496         struct work_struct input_work;
 497         struct kfifo *input_fifo;
 498         spinlock_t input_fifo_lock;
 499 } sonypi_device;
 500
 501 #define ITERATIONS_LONG         10000
 502 #define ITERATIONS_SHORT        10
 503
 504 #define wait_on_command(quiet, command, iterations) { \
 505         unsigned int n = iterations; \
 506         while (--n && (command)) \
 507                 udelay(1); \
 508         if (!n && (verbose || !quiet)) \
 509                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 510 }
 511
 512 #ifdef CONFIG_ACPI
 513 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 514 #else
 515 #define SONYPI_ACPI_ACTIVE 0
 516 #endif                          /* CONFIG_ACPI */
 517
 518 #ifdef CONFIG_ACPI
 519 static struct acpi_device *sonypi_acpi_device;
 520 static int acpi_driver_registered;
 521 #endif
 522
 523 static int sonypi_ec_write(u8 addr, u8 value)
 524 {
 525 #ifdef CONFIG_ACPI_EC
 526         if (SONYPI_ACPI_ACTIVE)
 527                 return ec_write(addr, value);
 528 #endif
 529         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 530         outb_p(0x81, SONYPI_CST_IOPORT);
 531         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 532         outb_p(addr, SONYPI_DATA_IOPORT);
 533         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 534         outb_p(value, SONYPI_DATA_IOPORT);
 535         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 536         return 0;
 537 }
 538
 539 static int sonypi_ec_read(u8 addr, u8 *value)
 540 {
 541 #ifdef CONFIG_ACPI_EC
 542         if (SONYPI_ACPI_ACTIVE)
 543                 return ec_read(addr, value);
 544 #endif
 545         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 546         outb_p(0x80, SONYPI_CST_IOPORT);
 547         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 548         outb_p(addr, SONYPI_DATA_IOPORT);
 549         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 550         *value = inb_p(SONYPI_DATA_IOPORT);
 551         return 0;
 552 }
 553
 554 static int ec_read16(u8 addr, u16 *value)
 555 {
 556         u8 val_lb, val_hb;
 557         if (sonypi_ec_read(addr, &val_lb))
 558                 return -1;
 559         if (sonypi_ec_read(addr + 1, &val_hb))
 560                 return -1;
 561         *value = val_lb | (val_hb << 8);
 562         return 0;
 563 }
 564
 565 /* Initializes the device - this comes from the AML code in the ACPI bios */
 566 static void sonypi_type1_srs(void)
 567 {
 568         u32 v;
 569
 570         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 571         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 572         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 573
 574         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 575         v = (v & 0xFFF0FFFF) |
 576             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 577         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 578
 579         v = inl(SONYPI_IRQ_PORT);
 580         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 581         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 582         outl(v, SONYPI_IRQ_PORT);
 583
 584         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 585         v = (v & 0xFF1FFFFF) | 0x00C00000;
 586         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 587 }
 588
 589 static void sonypi_type2_srs(void)
 590 {
 591         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 592                 printk(KERN_WARNING "ec_write failed\n");
 593         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 594                 printk(KERN_WARNING "ec_write failed\n");
 595         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 596                 printk(KERN_WARNING "ec_write failed\n");
 597         udelay(10);
 598 }
 599
 600 static void sonypi_type3_srs(void)
 601 {
 602         u16 v16;
 603         u8  v8;
 604
 605         /* This model type uses the same initialiazation of
 606          * the embedded controller as the type2 models. */
 607         sonypi_type2_srs();
 608
 609         /* Initialization of PCI config space of the LPC interface bridge. */
 610         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 611         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 612         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 613         v8 = (v8 & 0xCF) | 0x10;
 614         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 615 }
 616
 617 /* Disables the device - this comes from the AML code in the ACPI bios */
 618 static void sonypi_type1_dis(void)
 619 {
 620         u32 v;
 621
 622         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 623         v = v & 0xFF3FFFFF;
 624         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 625
 626         v = inl(SONYPI_IRQ_PORT);
 627         v |= (0x3 << SONYPI_IRQ_SHIFT);
 628         outl(v, SONYPI_IRQ_PORT);
 629 }
 630
 631 static void sonypi_type2_dis(void)
 632 {
 633         if (sonypi_ec_write(SONYPI_SHIB, 0))
 634                 printk(KERN_WARNING "ec_write failed\n");
 635         if (sonypi_ec_write(SONYPI_SLOB, 0))
 636                 printk(KERN_WARNING "ec_write failed\n");
 637         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 638                 printk(KERN_WARNING "ec_write failed\n");
 639 }
 640
 641 static void sonypi_type3_dis(void)
 642 {
 643         sonypi_type2_dis();
 644         udelay(10);
 645         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 646 }
 647
 648 static u8 sonypi_call1(u8 dev)
 649 {
 650         u8 v1, v2;
 651
 652         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 653         outb(dev, sonypi_device.ioport2);
 654         v1 = inb_p(sonypi_device.ioport2);
 655         v2 = inb_p(sonypi_device.ioport1);
 656         return v2;
 657 }
 658
 659 static u8 sonypi_call2(u8 dev, u8 fn)
 660 {
 661         u8 v1;
 662
 663         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 664         outb(dev, sonypi_device.ioport2);
 665         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 666         outb(fn, sonypi_device.ioport1);
 667         v1 = inb_p(sonypi_device.ioport1);
 668         return v1;
 669 }
 670
 671 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 672 {
 673         u8 v1;
 674
 675         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 676         outb(dev, sonypi_device.ioport2);
 677         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 678         outb(fn, sonypi_device.ioport1);
 679         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 680         outb(v, sonypi_device.ioport1);
 681         v1 = inb_p(sonypi_device.ioport1);
 682         return v1;
 683 }
 684
 685 #if 0
 686 /* Get brightness, hue etc. Unreliable... */
 687 static u8 sonypi_read(u8 fn)
 688 {
 689         u8 v1, v2;
 690         int n = 100;
 691
 692         while (n--) {
 693                 v1 = sonypi_call2(0x8f, fn);
 694                 v2 = sonypi_call2(0x8f, fn);
 695                 if (v1 == v2 && v1 != 0xff)
 696                         return v1;
 697         }
 698         return 0xff;
 699 }
 700 #endif
 701
 702 /* Set brightness, hue etc */
 703 static void sonypi_set(u8 fn, u8 v)
 704 {
 705         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 706 }
 707
 708 /* Tests if the camera is ready */
 709 static int sonypi_camera_ready(void)
 710 {
 711         u8 v;
 712
 713         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 714         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 715 }
 716
 717 /* Turns the camera off */
 718 static void sonypi_camera_off(void)
 719 {
 720         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 721
 722         if (!sonypi_device.camera_power)
 723                 return;
 724
 725         sonypi_call2(0x91, 0);
 726         sonypi_device.camera_power = 0;
 727 }
 728
 729 /* Turns the camera on */
 730 static void sonypi_camera_on(void)
 731 {
 732         int i, j;
 733
 734         if (sonypi_device.camera_power)
 735                 return;
 736
 737         for (j = 5; j > 0; j--) {
 738
 739                 while (sonypi_call2(0x91, 0x1))
 740                         msleep(10);
 741                 sonypi_call1(0x93);
 742
 743                 for (i = 400; i > 0; i--) {
 744                         if (sonypi_camera_ready())
 745                                 break;
 746                         msleep(10);
 747                 }
 748                 if (i)
 749                         break;
 750         }
 751
 752         if (j == 0) {
 753                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 754                 return;
 755         }
 756
 757         sonypi_set(0x10, 0x5a);
 758         sonypi_device.camera_power = 1;
 759 }
 760
 761 /* sets the bluetooth subsystem power state */
 762 static void sonypi_setbluetoothpower(u8 state)
 763 {
 764         state = !!state;
 765
 766         if (sonypi_device.bluetooth_power == state)
 767                 return;
 768
 769         sonypi_call2(0x96, state);
 770         sonypi_call1(0x82);
 771         sonypi_device.bluetooth_power = state;
 772 }
 773
 774 static void input_keyrelease(struct work_struct *work)
 775 {
 776         struct sonypi_keypress kp;
 777
 778         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
 779                          sizeof(kp)) == sizeof(kp)) {
 780                 msleep(10);
 781                 input_report_key(kp.dev, kp.key, 0);
 782                 input_sync(kp.dev);
 783         }
 784 }
 785
 786 static void sonypi_report_input_event(u8 event)
 787 {
 788         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 789         struct input_dev *key_dev = sonypi_device.input_key_dev;
 790         struct sonypi_keypress kp = { NULL };
 791         int i;
 792
 793         switch (event) {
 794         case SONYPI_EVENT_JOGDIAL_UP:
 795         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 796                 input_report_rel(jog_dev, REL_WHEEL, 1);
 797                 input_sync(jog_dev);
 798                 break;
 799
 800         case SONYPI_EVENT_JOGDIAL_DOWN:
 801         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 802                 input_report_rel(jog_dev, REL_WHEEL, -1);
 803                 input_sync(jog_dev);
 804                 break;
 805
 806         case SONYPI_EVENT_JOGDIAL_PRESSED:
 807                 kp.key = BTN_MIDDLE;
 808                 kp.dev = jog_dev;
 809                 break;
 810
 811         case SONYPI_EVENT_FNKEY_RELEASED:
 812                 /* Nothing, not all VAIOs generate this event */
 813                 break;
 814
 815         default:
 816                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 817                         if (event == sonypi_inputkeys[i].sonypiev) {
 818                                 kp.dev = key_dev;
 819                                 kp.key = sonypi_inputkeys[i].inputev;
 820                                 break;
 821                         }
 822                 break;
 823         }
 824
 825         if (kp.dev) {
 826                 input_report_key(kp.dev, kp.key, 1);
 827                 input_sync(kp.dev);
 828                 kfifo_put(sonypi_device.input_fifo,
 829                           (unsigned char *)&kp, sizeof(kp));
 830                 schedule_work(&sonypi_device.input_work);
 831         }
 832 }
 833
 834 /* Interrupt handler: some event is available */
 835 static irqreturn_t sonypi_irq(int irq, void *dev_id)
 836 {
 837         u8 v1, v2, event = 0;
 838         int i, j;
 839
 840         v1 = inb_p(sonypi_device.ioport1);
 841         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 842
 843         for (i = 0; sonypi_eventtypes[i].model; i++) {
 844                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 845                         continue;
 846                 if ((v2 & sonypi_eventtypes[i].data) !=
 847                     sonypi_eventtypes[i].data)
 848                         continue;
 849                 if (!(mask & sonypi_eventtypes[i].mask))
 850                         continue;
 851                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 852                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 853                                 event = sonypi_eventtypes[i].events[j].event;
 854                                 goto found;
 855                         }
 856                 }
 857         }
 858
 859         if (verbose)
 860                 printk(KERN_WARNING
 861                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 862                        v1, v2);
 863         /* We need to return IRQ_HANDLED here because there *are*
 864          * events belonging to the sonypi device we don't know about,
 865          * but we still don't want those to pollute the logs... */
 866         return IRQ_HANDLED;
 867
 868 found:
 869         if (verbose > 1)
 870                 printk(KERN_INFO
 871                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 872
 873         if (useinput)
 874                 sonypi_report_input_event(event);
 875
 876 #ifdef CONFIG_ACPI
 877         if (sonypi_acpi_device)
 878                 acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
 879 #endif
 880
 881         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 882         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 883         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 884
 885         return IRQ_HANDLED;
 886 }
 887
 888 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 889 {
 890         int retval;
 891
 892         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 893         if (retval < 0)
 894                 return retval;
 895         return 0;
 896 }
 897
 898 static int sonypi_misc_release(struct inode *inode, struct file *file)
 899 {
 900         sonypi_misc_fasync(-1, file, 0);
 901         mutex_lock(&sonypi_device.lock);
 902         sonypi_device.open_count--;
 903         mutex_unlock(&sonypi_device.lock);
 904         return 0;
 905 }
 906
 907 static int sonypi_misc_open(struct inode *inode, struct file *file)
 908 {
 909         mutex_lock(&sonypi_device.lock);
 910         /* Flush input queue on first open */
 911         if (!sonypi_device.open_count)
 912                 kfifo_reset(sonypi_device.fifo);
 913         sonypi_device.open_count++;
 914         mutex_unlock(&sonypi_device.lock);
 915         return 0;
 916 }
 917
 918 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 919                                 size_t count, loff_t *pos)
 920 {
 921         ssize_t ret;
 922         unsigned char c;
 923
 924         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 925             (file->f_flags & O_NONBLOCK))
 926                 return -EAGAIN;
 927
 928         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 929                                        kfifo_len(sonypi_device.fifo) != 0);
 930         if (ret)
 931                 return ret;
 932
 933         while (ret < count &&
 934                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 935                 if (put_user(c, buf++))
 936                         return -EFAULT;
 937                 ret++;
 938         }
 939
 940         if (ret > 0) {
 941                 struct inode *inode = file->f_path.dentry->d_inode;
 942                 inode->i_atime = current_fs_time(inode->i_sb);
 943         }
 944
 945         return ret;
 946 }
 947
 948 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 949 {
 950         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 951         if (kfifo_len(sonypi_device.fifo))
 952                 return POLLIN | POLLRDNORM;
 953         return 0;
 954 }
 955
 956 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 957                              unsigned int cmd, unsigned long arg)
 958 {
 959         int ret = 0;
 960         void __user *argp = (void __user *)arg;
 961         u8 val8;
 962         u16 val16;
 963
 964         mutex_lock(&sonypi_device.lock);
 965         switch (cmd) {
 966         case SONYPI_IOCGBRT:
 967                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 968                         ret = -EIO;
 969                         break;
 970                 }
 971                 if (copy_to_user(argp, &val8, sizeof(val8)))
 972                         ret = -EFAULT;
 973                 break;
 974         case SONYPI_IOCSBRT:
 975                 if (copy_from_user(&val8, argp, sizeof(val8))) {
 976                         ret = -EFAULT;
 977                         break;
 978                 }
 979                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 980                         ret = -EIO;
 981                 break;
 982         case SONYPI_IOCGBAT1CAP:
 983                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 984                         ret = -EIO;
 985                         break;
 986                 }
 987                 if (copy_to_user(argp, &val16, sizeof(val16)))
 988                         ret = -EFAULT;
 989                 break;
 990         case SONYPI_IOCGBAT1REM:
 991                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 992                         ret = -EIO;
 993                         break;
 994                 }
 995                 if (copy_to_user(argp, &val16, sizeof(val16)))
 996                         ret = -EFAULT;
 997                 break;
 998         case SONYPI_IOCGBAT2CAP:
 999                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1000                         ret = -EIO;
1001                         break;
1002                 }
1003                 if (copy_to_user(argp, &val16, sizeof(val16)))
1004                         ret = -EFAULT;
1005                 break;
1006         case SONYPI_IOCGBAT2REM:
1007                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1008                         ret = -EIO;
1009                         break;
1010                 }
1011                 if (copy_to_user(argp, &val16, sizeof(val16)))
1012                         ret = -EFAULT;
1013                 break;
1014         case SONYPI_IOCGBATFLAGS:
1015                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1016                         ret = -EIO;
1017                         break;
1018                 }
1019                 val8 &= 0x07;
1020                 if (copy_to_user(argp, &val8, sizeof(val8)))
1021                         ret = -EFAULT;
1022                 break;
1023         case SONYPI_IOCGBLUE:
1024                 val8 = sonypi_device.bluetooth_power;
1025                 if (copy_to_user(argp, &val8, sizeof(val8)))
1026                         ret = -EFAULT;
1027                 break;
1028         case SONYPI_IOCSBLUE:
1029                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1030                         ret = -EFAULT;
1031                         break;
1032                 }
1033                 sonypi_setbluetoothpower(val8);
1034                 break;
1035         /* FAN Controls */
1036         case SONYPI_IOCGFAN:
1037                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1038                         ret = -EIO;
1039                         break;
1040                 }
1041                 if (copy_to_user(argp, &val8, sizeof(val8)))
1042                         ret = -EFAULT;
1043                 break;
1044         case SONYPI_IOCSFAN:
1045                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1046                         ret = -EFAULT;
1047                         break;
1048                 }
1049                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1050                         ret = -EIO;
1051                 break;
1052         /* GET Temperature (useful under APM) */
1053         case SONYPI_IOCGTEMP:
1054                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1055                         ret = -EIO;
1056                         break;
1057                 }
1058                 if (copy_to_user(argp, &val8, sizeof(val8)))
1059                         ret = -EFAULT;
1060                 break;
1061         default:
1062                 ret = -EINVAL;
1063         }
1064         mutex_unlock(&sonypi_device.lock);
1065         return ret;
1066 }
1067
1068 static const struct file_operations sonypi_misc_fops = {
1069         .owner          = THIS_MODULE,
1070         .read           = sonypi_misc_read,
1071         .poll           = sonypi_misc_poll,
1072         .open           = sonypi_misc_open,
1073         .release        = sonypi_misc_release,
1074         .fasync         = sonypi_misc_fasync,
1075         .ioctl          = sonypi_misc_ioctl,
1076 };
1077
1078 static struct miscdevice sonypi_misc_device = {
1079         .minor          = MISC_DYNAMIC_MINOR,
1080         .name           = "sonypi",
1081         .fops           = &sonypi_misc_fops,
1082 };
1083
1084 static void sonypi_enable(unsigned int camera_on)
1085 {
1086         switch (sonypi_device.model) {
1087         case SONYPI_DEVICE_MODEL_TYPE1:
1088                 sonypi_type1_srs();
1089                 break;
1090         case SONYPI_DEVICE_MODEL_TYPE2:
1091                 sonypi_type2_srs();
1092                 break;
1093         case SONYPI_DEVICE_MODEL_TYPE3:
1094                 sonypi_type3_srs();
1095                 break;
1096         }
1097
1098         sonypi_call1(0x82);
1099         sonypi_call2(0x81, 0xff);
1100         sonypi_call1(compat ? 0x92 : 0x82);
1101
1102         /* Enable ACPI mode to get Fn key events */
1103         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1104                 outb(0xf0, 0xb2);
1105
1106         if (camera && camera_on)
1107                 sonypi_camera_on();
1108 }
1109
1110 static int sonypi_disable(void)
1111 {
1112         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1113         if (camera)
1114                 sonypi_camera_off();
1115
1116         /* disable ACPI mode */
1117         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1118                 outb(0xf1, 0xb2);
1119
1120         switch (sonypi_device.model) {
1121         case SONYPI_DEVICE_MODEL_TYPE1:
1122                 sonypi_type1_dis();
1123                 break;
1124         case SONYPI_DEVICE_MODEL_TYPE2:
1125                 sonypi_type2_dis();
1126                 break;
1127         case SONYPI_DEVICE_MODEL_TYPE3:
1128                 sonypi_type3_dis();
1129                 break;
1130         }
1131
1132         return 0;
1133 }
1134
1135 #ifdef CONFIG_ACPI
1136 static int sonypi_acpi_add(struct acpi_device *device)
1137 {
1138         sonypi_acpi_device = device;
1139         strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1140         strcpy(acpi_device_class(device), "sony/hotkey");
1141         return 0;
1142 }
1143
1144 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1145 {
1146         sonypi_acpi_device = NULL;
1147         return 0;
1148 }
1149
1150 const static struct acpi_device_id sonypi_device_ids[] = {
1151         {"SNY6001", 0},
1152         {"", 0},
1153 };
1154
1155 static struct acpi_driver sonypi_acpi_driver = {
1156         .name           = "sonypi",
1157         .class          = "hkey",
1158         .ids            = sonypi_device_ids,
1159         .ops            = {
1160                            .add = sonypi_acpi_add,
1161                            .remove = sonypi_acpi_remove,
1162         },
1163 };
1164 #endif
1165
1166 static int __devinit sonypi_create_input_devices(void)
1167 {
1168         struct input_dev *jog_dev;
1169         struct input_dev *key_dev;
1170         int i;
1171         int error;
1172
1173         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1174         if (!jog_dev)
1175                 return -ENOMEM;
1176
1177         jog_dev->name = "Sony Vaio Jogdial";
1178         jog_dev->id.bustype = BUS_ISA;
1179         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1180
1181         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1182         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1183         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1184
1185         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1186         if (!key_dev) {
1187                 error = -ENOMEM;
1188                 goto err_free_jogdev;
1189         }
1190
1191         key_dev->name = "Sony Vaio Keys";
1192         key_dev->id.bustype = BUS_ISA;
1193         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1194
1195         /* Initialize the Input Drivers: special keys */
1196         key_dev->evbit[0] = BIT_MASK(EV_KEY);
1197         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1198                 if (sonypi_inputkeys[i].inputev)
1199                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1200
1201         error = input_register_device(jog_dev);
1202         if (error)
1203                 goto err_free_keydev;
1204
1205         error = input_register_device(key_dev);
1206         if (error)
1207                 goto err_unregister_jogdev;
1208
1209         return 0;
1210
1211  err_unregister_jogdev:
1212         input_unregister_device(jog_dev);
1213         /* Set to NULL so we don't free it again below */
1214         jog_dev = NULL;
1215  err_free_keydev:
1216         input_free_device(key_dev);
1217         sonypi_device.input_key_dev = NULL;
1218  err_free_jogdev:
1219         input_free_device(jog_dev);
1220         sonypi_device.input_jog_dev = NULL;
1221
1222         return error;
1223 }
1224
1225 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1226                                 const struct sonypi_ioport_list *ioport_list)
1227 {
1228         /* try to detect if sony-laptop is being used and thus
1229          * has already requested one of the known ioports.
1230          * As in the deprecated check_region this is racy has we have
1231          * multiple ioports available and one of them can be requested
1232          * between this check and the subsequent request. Anyway, as an
1233          * attempt to be some more user-friendly as we currently are,
1234          * this is enough.
1235          */
1236         const struct sonypi_ioport_list *check = ioport_list;
1237         while (check_ioport && check->port1) {
1238                 if (!request_region(check->port1,
1239                                    sonypi_device.region_size,
1240                                    "Sony Programable I/O Device Check")) {
1241                         printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1242                                         "if not use check_ioport=0\n",
1243                                         check->port1);
1244                         return -EBUSY;
1245                 }
1246                 release_region(check->port1, sonypi_device.region_size);
1247                 check++;
1248         }
1249
1250         while (ioport_list->port1) {
1251
1252                 if (request_region(ioport_list->port1,
1253                                    sonypi_device.region_size,
1254                                    "Sony Programable I/O Device")) {
1255                         dev->ioport1 = ioport_list->port1;
1256                         dev->ioport2 = ioport_list->port2;
1257                         return 0;
1258                 }
1259                 ioport_list++;
1260         }
1261
1262         return -EBUSY;
1263 }
1264
1265 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1266                                       const struct sonypi_irq_list *irq_list)
1267 {
1268         while (irq_list->irq) {
1269
1270                 if (!request_irq(irq_list->irq, sonypi_irq,
1271                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1272                         dev->irq = irq_list->irq;
1273                         dev->bits = irq_list->bits;
1274                         return 0;
1275                 }
1276                 irq_list++;
1277         }
1278
1279         return -EBUSY;
1280 }
1281
1282 static void __devinit sonypi_display_info(void)
1283 {
1284         printk(KERN_INFO "sonypi: detected type%d model, "
1285                "verbose = %d, fnkeyinit = %s, camera = %s, "
1286                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1287                sonypi_device.model,
1288                verbose,
1289                fnkeyinit ? "on" : "off",
1290                camera ? "on" : "off",
1291                compat ? "on" : "off",
1292                mask,
1293                useinput ? "on" : "off",
1294                SONYPI_ACPI_ACTIVE ? "on" : "off");
1295         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1296                sonypi_device.irq,
1297                sonypi_device.ioport1, sonypi_device.ioport2);
1298
1299         if (minor == -1)
1300                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1301                        sonypi_misc_device.minor);
1302 }
1303
1304 static int __devinit sonypi_probe(struct platform_device *dev)
1305 {
1306         const struct sonypi_ioport_list *ioport_list;
1307         const struct sonypi_irq_list *irq_list;
1308         struct pci_dev *pcidev;
1309         int error;
1310
1311         printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1312                         "and report failures, see also "
1313                         "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1314
1315         spin_lock_init(&sonypi_device.fifo_lock);
1316         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1317                                          &sonypi_device.fifo_lock);
1318         if (IS_ERR(sonypi_device.fifo)) {
1319                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1320                 return PTR_ERR(sonypi_device.fifo);
1321         }
1322
1323         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1324         mutex_init(&sonypi_device.lock);
1325         sonypi_device.bluetooth_power = -1;
1326
1327         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1328                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1329                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1330         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1332                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1333         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1334                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1335                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1336         else
1337                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1338
1339         if (pcidev && pci_enable_device(pcidev)) {
1340                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1341                 error = -EIO;
1342                 goto err_put_pcidev;
1343         }
1344
1345         sonypi_device.dev = pcidev;
1346
1347         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1348                 ioport_list = sonypi_type1_ioport_list;
1349                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1350                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1351                 irq_list = sonypi_type1_irq_list;
1352         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1353                 ioport_list = sonypi_type2_ioport_list;
1354                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1355                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1356                 irq_list = sonypi_type2_irq_list;
1357         } else {
1358                 ioport_list = sonypi_type3_ioport_list;
1359                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1360                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1361                 irq_list = sonypi_type3_irq_list;
1362         }
1363
1364         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1365         if (error) {
1366                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1367                 goto err_disable_pcidev;
1368         }
1369
1370         error = sonypi_setup_irq(&sonypi_device, irq_list);
1371         if (error) {
1372                 printk(KERN_ERR "sonypi: request_irq failed\n");
1373                 goto err_free_ioports;
1374         }
1375
1376         if (minor != -1)
1377                 sonypi_misc_device.minor = minor;
1378         error = misc_register(&sonypi_misc_device);
1379         if (error) {
1380                 printk(KERN_ERR "sonypi: misc_register failed\n");
1381                 goto err_free_irq;
1382         }
1383
1384         sonypi_display_info();
1385
1386         if (useinput) {
1387
1388                 error = sonypi_create_input_devices();
1389                 if (error) {
1390                         printk(KERN_ERR
1391                                 "sonypi: failed to create input devices\n");
1392                         goto err_miscdev_unregister;
1393                 }
1394
1395                 spin_lock_init(&sonypi_device.input_fifo_lock);
1396                 sonypi_device.input_fifo =
1397                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1398                                     &sonypi_device.input_fifo_lock);
1399                 if (IS_ERR(sonypi_device.input_fifo)) {
1400                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1401                         error = PTR_ERR(sonypi_device.input_fifo);
1402                         goto err_inpdev_unregister;
1403                 }
1404
1405                 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1406         }
1407
1408         sonypi_enable(0);
1409
1410         return 0;
1411
1412  err_inpdev_unregister:
1413         input_unregister_device(sonypi_device.input_key_dev);
1414         input_unregister_device(sonypi_device.input_jog_dev);
1415  err_miscdev_unregister:
1416         misc_deregister(&sonypi_misc_device);
1417  err_free_irq:
1418         free_irq(sonypi_device.irq, sonypi_irq);
1419  err_free_ioports:
1420         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1421  err_disable_pcidev:
1422         if (pcidev)
1423                 pci_disable_device(pcidev);
1424  err_put_pcidev:
1425         pci_dev_put(pcidev);
1426         kfifo_free(sonypi_device.fifo);
1427
1428         return error;
1429 }
1430
1431 static int __devexit sonypi_remove(struct platform_device *dev)
1432 {
1433         sonypi_disable();
1434
1435         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1436         flush_scheduled_work();
1437
1438         if (useinput) {
1439                 input_unregister_device(sonypi_device.input_key_dev);
1440                 input_unregister_device(sonypi_device.input_jog_dev);
1441                 kfifo_free(sonypi_device.input_fifo);
1442         }
1443
1444         misc_deregister(&sonypi_misc_device);
1445
1446         free_irq(sonypi_device.irq, sonypi_irq);
1447         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1448
1449         if (sonypi_device.dev) {
1450                 pci_disable_device(sonypi_device.dev);
1451                 pci_dev_put(sonypi_device.dev);
1452         }
1453
1454         kfifo_free(sonypi_device.fifo);
1455
1456         return 0;
1457 }
1458
1459 #ifdef CONFIG_PM
1460 static int old_camera_power;
1461
1462 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1463 {
1464         old_camera_power = sonypi_device.camera_power;
1465         sonypi_disable();
1466
1467         return 0;
1468 }
1469
1470 static int sonypi_resume(struct platform_device *dev)
1471 {
1472         sonypi_enable(old_camera_power);
1473         return 0;
1474 }
1475 #else
1476 #define sonypi_suspend  NULL
1477 #define sonypi_resume   NULL
1478 #endif
1479
1480 static void sonypi_shutdown(struct platform_device *dev)
1481 {
1482         sonypi_disable();
1483 }
1484
1485 static struct platform_driver sonypi_driver = {
1486         .driver         = {
1487                 .name   = "sonypi",
1488                 .owner  = THIS_MODULE,
1489         },
1490         .probe          = sonypi_probe,
1491         .remove         = __devexit_p(sonypi_remove),
1492         .shutdown       = sonypi_shutdown,
1493         .suspend        = sonypi_suspend,
1494         .resume         = sonypi_resume,
1495 };
1496
1497 static struct platform_device *sonypi_platform_device;
1498
1499 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1500         {
1501                 .ident = "Sony Vaio",
1502                 .matches = {
1503                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1504                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1505                 },
1506         },
1507         {
1508                 .ident = "Sony Vaio",
1509                 .matches = {
1510                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1511                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1512                 },
1513         },
1514         { }
1515 };
1516
1517 static int __init sonypi_init(void)
1518 {
1519         int error;
1520
1521         printk(KERN_INFO
1522                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1523                 SONYPI_DRIVER_VERSION);
1524
1525         if (!dmi_check_system(sonypi_dmi_table))
1526                 return -ENODEV;
1527
1528         error = platform_driver_register(&sonypi_driver);
1529         if (error)
1530                 return error;
1531
1532         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1533         if (!sonypi_platform_device) {
1534                 error = -ENOMEM;
1535                 goto err_driver_unregister;
1536         }
1537
1538         error = platform_device_add(sonypi_platform_device);
1539         if (error)
1540                 goto err_free_device;
1541
1542 #ifdef CONFIG_ACPI
1543         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1544                 acpi_driver_registered = 1;
1545 #endif
1546
1547         return 0;
1548
1549  err_free_device:
1550         platform_device_put(sonypi_platform_device);
1551  err_driver_unregister:
1552         platform_driver_unregister(&sonypi_driver);
1553         return error;
1554 }
1555
1556 static void __exit sonypi_exit(void)
1557 {
1558 #ifdef CONFIG_ACPI
1559         if (acpi_driver_registered)
1560                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1561 #endif
1562         platform_device_unregister(sonypi_platform_device);
1563         platform_driver_unregister(&sonypi_driver);
1564         printk(KERN_INFO "sonypi: removed.\n");
1565 }
1566
1567 module_init(sonypi_init);
1568 module_exit(sonypi_exit);