linux/drivers/char/sonypi.c
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   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 AlcĂ´ve <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/sched.h>
  40#include <linux/input.h>
  41#include <linux/pci.h>
  42#include <linux/init.h>
  43#include <linux/interrupt.h>
  44#include <linux/miscdevice.h>
  45#include <linux/poll.h>
  46#include <linux/delay.h>
  47#include <linux/wait.h>
  48#include <linux/acpi.h>
  49#include <linux/dmi.h>
  50#include <linux/err.h>
  51#include <linux/kfifo.h>
  52#include <linux/platform_device.h>
  53#include <linux/gfp.h>
  54
  55#include <asm/uaccess.h>
  56#include <asm/io.h>
  57
  58#include <linux/sonypi.h>
  59
  60#define SONYPI_DRIVER_VERSION    "1.26"
  61
  62MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  63MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  64MODULE_LICENSE("GPL");
  65MODULE_VERSION(SONYPI_DRIVER_VERSION);
  66
  67static int minor = -1;
  68module_param(minor, int, 0);
  69MODULE_PARM_DESC(minor,
  70                 "minor number of the misc device, default is -1 (automatic)");
  71
  72static int verbose;             /* = 0 */
  73module_param(verbose, int, 0644);
  74MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  75
  76static int fnkeyinit;           /* = 0 */
  77module_param(fnkeyinit, int, 0444);
  78MODULE_PARM_DESC(fnkeyinit,
  79                 "set this if your Fn keys do not generate any event");
  80
  81static int camera;              /* = 0 */
  82module_param(camera, int, 0444);
  83MODULE_PARM_DESC(camera,
  84                 "set this if you have a MotionEye camera (PictureBook series)");
  85
  86static int compat;              /* = 0 */
  87module_param(compat, int, 0444);
  88MODULE_PARM_DESC(compat,
  89                 "set this if you want to enable backward compatibility mode");
  90
  91static unsigned long mask = 0xffffffff;
  92module_param(mask, ulong, 0644);
  93MODULE_PARM_DESC(mask,
  94                 "set this to the mask of event you want to enable (see doc)");
  95
  96static int useinput = 1;
  97module_param(useinput, int, 0444);
  98MODULE_PARM_DESC(useinput,
  99                 "set this if you would like sonypi to feed events to the input subsystem");
 100
 101static int check_ioport = 1;
 102module_param(check_ioport, int, 0444);
 103MODULE_PARM_DESC(check_ioport,
 104                 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
 105
 106#define SONYPI_DEVICE_MODEL_TYPE1       1
 107#define SONYPI_DEVICE_MODEL_TYPE2       2
 108#define SONYPI_DEVICE_MODEL_TYPE3       3
 109
 110/* type1 models use those */
 111#define SONYPI_IRQ_PORT                 0x8034
 112#define SONYPI_IRQ_SHIFT                22
 113#define SONYPI_TYPE1_BASE               0x50
 114#define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 115#define SONYPI_TYPE1_REGION_SIZE        0x08
 116#define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 117
 118/* type2 series specifics */
 119#define SONYPI_SIRQ                     0x9b
 120#define SONYPI_SLOB                     0x9c
 121#define SONYPI_SHIB                     0x9d
 122#define SONYPI_TYPE2_REGION_SIZE        0x20
 123#define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 124
 125/* type3 series specifics */
 126#define SONYPI_TYPE3_BASE               0x40
 127#define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 128#define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 129#define SONYPI_TYPE3_REGION_SIZE        0x20
 130#define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 131
 132/* battery / brightness addresses */
 133#define SONYPI_BAT_FLAGS        0x81
 134#define SONYPI_LCD_LIGHT        0x96
 135#define SONYPI_BAT1_PCTRM       0xa0
 136#define SONYPI_BAT1_LEFT        0xa2
 137#define SONYPI_BAT1_MAXRT       0xa4
 138#define SONYPI_BAT2_PCTRM       0xa8
 139#define SONYPI_BAT2_LEFT        0xaa
 140#define SONYPI_BAT2_MAXRT       0xac
 141#define SONYPI_BAT1_MAXTK       0xb0
 142#define SONYPI_BAT1_FULL        0xb2
 143#define SONYPI_BAT2_MAXTK       0xb8
 144#define SONYPI_BAT2_FULL        0xba
 145
 146/* FAN0 information (reverse engineered from ACPI tables) */
 147#define SONYPI_FAN0_STATUS      0x93
 148#define SONYPI_TEMP_STATUS      0xC1
 149
 150/* ioports used for brightness and type2 events */
 151#define SONYPI_DATA_IOPORT      0x62
 152#define SONYPI_CST_IOPORT       0x66
 153
 154/* The set of possible ioports */
 155struct sonypi_ioport_list {
 156        u16     port1;
 157        u16     port2;
 158};
 159
 160static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 161        { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 162        { 0x1080, 0x1084 },
 163        { 0x1090, 0x1094 },
 164        { 0x10a0, 0x10a4 },
 165        { 0x10b0, 0x10b4 },
 166        { 0x0, 0x0 }
 167};
 168
 169static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 170        { 0x1080, 0x1084 },
 171        { 0x10a0, 0x10a4 },
 172        { 0x10c0, 0x10c4 },
 173        { 0x10e0, 0x10e4 },
 174        { 0x0, 0x0 }
 175};
 176
 177/* same as in type 2 models */
 178static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 179        sonypi_type2_ioport_list;
 180
 181/* The set of possible interrupts */
 182struct sonypi_irq_list {
 183        u16     irq;
 184        u16     bits;
 185};
 186
 187static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 188        { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 189        { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 190        {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 191        {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 192};
 193
 194static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 195        { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 196        { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 197        {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 198        {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 199        {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 200};
 201
 202/* same as in type2 models */
 203static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 204
 205#define SONYPI_CAMERA_BRIGHTNESS                0
 206#define SONYPI_CAMERA_CONTRAST                  1
 207#define SONYPI_CAMERA_HUE                       2
 208#define SONYPI_CAMERA_COLOR                     3
 209#define SONYPI_CAMERA_SHARPNESS                 4
 210
 211#define SONYPI_CAMERA_PICTURE                   5
 212#define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 213#define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 214#define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 215#define SONYPI_CAMERA_MUTE_MASK                 0x40
 216
 217/* the rest don't need a loop until not 0xff */
 218#define SONYPI_CAMERA_AGC                       6
 219#define SONYPI_CAMERA_AGC_MASK                  0x30
 220#define SONYPI_CAMERA_SHUTTER_MASK              0x7
 221
 222#define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 223#define SONYPI_CAMERA_CONTROL                   0x10
 224
 225#define SONYPI_CAMERA_STATUS                    7
 226#define SONYPI_CAMERA_STATUS_READY              0x2
 227#define SONYPI_CAMERA_STATUS_POSITION           0x4
 228
 229#define SONYPI_DIRECTION_BACKWARDS              0x4
 230
 231#define SONYPI_CAMERA_REVISION                  8
 232#define SONYPI_CAMERA_ROMVERSION                9
 233
 234/* Event masks */
 235#define SONYPI_JOGGER_MASK                      0x00000001
 236#define SONYPI_CAPTURE_MASK                     0x00000002
 237#define SONYPI_FNKEY_MASK                       0x00000004
 238#define SONYPI_BLUETOOTH_MASK                   0x00000008
 239#define SONYPI_PKEY_MASK                        0x00000010
 240#define SONYPI_BACK_MASK                        0x00000020
 241#define SONYPI_HELP_MASK                        0x00000040
 242#define SONYPI_LID_MASK                         0x00000080
 243#define SONYPI_ZOOM_MASK                        0x00000100
 244#define SONYPI_THUMBPHRASE_MASK                 0x00000200
 245#define SONYPI_MEYE_MASK                        0x00000400
 246#define SONYPI_MEMORYSTICK_MASK                 0x00000800
 247#define SONYPI_BATTERY_MASK                     0x00001000
 248#define SONYPI_WIRELESS_MASK                    0x00002000
 249
 250struct sonypi_event {
 251        u8      data;
 252        u8      event;
 253};
 254
 255/* The set of possible button release events */
 256static struct sonypi_event sonypi_releaseev[] = {
 257        { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 258        { 0, 0 }
 259};
 260
 261/* The set of possible jogger events  */
 262static struct sonypi_event sonypi_joggerev[] = {
 263        { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 264        { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 265        { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 266        { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 267        { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 268        { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 269        { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 270        { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 271        { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 272        { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 273        { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 274        { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 275        { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 276        { 0, 0 }
 277};
 278
 279/* The set of possible capture button events */
 280static struct sonypi_event sonypi_captureev[] = {
 281        { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 282        { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 283        { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 284        { 0, 0 }
 285};
 286
 287/* The set of possible fnkeys events */
 288static struct sonypi_event sonypi_fnkeyev[] = {
 289        { 0x10, SONYPI_EVENT_FNKEY_ESC },
 290        { 0x11, SONYPI_EVENT_FNKEY_F1 },
 291        { 0x12, SONYPI_EVENT_FNKEY_F2 },
 292        { 0x13, SONYPI_EVENT_FNKEY_F3 },
 293        { 0x14, SONYPI_EVENT_FNKEY_F4 },
 294        { 0x15, SONYPI_EVENT_FNKEY_F5 },
 295        { 0x16, SONYPI_EVENT_FNKEY_F6 },
 296        { 0x17, SONYPI_EVENT_FNKEY_F7 },
 297        { 0x18, SONYPI_EVENT_FNKEY_F8 },
 298        { 0x19, SONYPI_EVENT_FNKEY_F9 },
 299        { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 300        { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 301        { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 302        { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 303        { 0x21, SONYPI_EVENT_FNKEY_1 },
 304        { 0x22, SONYPI_EVENT_FNKEY_2 },
 305        { 0x31, SONYPI_EVENT_FNKEY_D },
 306        { 0x32, SONYPI_EVENT_FNKEY_E },
 307        { 0x33, SONYPI_EVENT_FNKEY_F },
 308        { 0x34, SONYPI_EVENT_FNKEY_S },
 309        { 0x35, SONYPI_EVENT_FNKEY_B },
 310        { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 311        { 0, 0 }
 312};
 313
 314/* The set of possible program key events */
 315static struct sonypi_event sonypi_pkeyev[] = {
 316        { 0x01, SONYPI_EVENT_PKEY_P1 },
 317        { 0x02, SONYPI_EVENT_PKEY_P2 },
 318        { 0x04, SONYPI_EVENT_PKEY_P3 },
 319        { 0x5c, SONYPI_EVENT_PKEY_P1 },
 320        { 0, 0 }
 321};
 322
 323/* The set of possible bluetooth events */
 324static struct sonypi_event sonypi_blueev[] = {
 325        { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 326        { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 327        { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 328        { 0, 0 }
 329};
 330
 331/* The set of possible wireless events */
 332static struct sonypi_event sonypi_wlessev[] = {
 333        { 0x59, SONYPI_EVENT_WIRELESS_ON },
 334        { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 335        { 0, 0 }
 336};
 337
 338/* The set of possible back button events */
 339static struct sonypi_event sonypi_backev[] = {
 340        { 0x20, SONYPI_EVENT_BACK_PRESSED },
 341        { 0, 0 }
 342};
 343
 344/* The set of possible help button events */
 345static struct sonypi_event sonypi_helpev[] = {
 346        { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 347        { 0, 0 }
 348};
 349
 350
 351/* The set of possible lid events */
 352static struct sonypi_event sonypi_lidev[] = {
 353        { 0x51, SONYPI_EVENT_LID_CLOSED },
 354        { 0x50, SONYPI_EVENT_LID_OPENED },
 355        { 0, 0 }
 356};
 357
 358/* The set of possible zoom events */
 359static struct sonypi_event sonypi_zoomev[] = {
 360        { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 361        { 0, 0 }
 362};
 363
 364/* The set of possible thumbphrase events */
 365static struct sonypi_event sonypi_thumbphraseev[] = {
 366        { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 367        { 0, 0 }
 368};
 369
 370/* The set of possible motioneye camera events */
 371static struct sonypi_event sonypi_meyeev[] = {
 372        { 0x00, SONYPI_EVENT_MEYE_FACE },
 373        { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 374        { 0, 0 }
 375};
 376
 377/* The set of possible memorystick events */
 378static struct sonypi_event sonypi_memorystickev[] = {
 379        { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 380        { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 381        { 0, 0 }
 382};
 383
 384/* The set of possible battery events */
 385static struct sonypi_event sonypi_batteryev[] = {
 386        { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 387        { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 388        { 0, 0 }
 389};
 390
 391static struct sonypi_eventtypes {
 392        int                     model;
 393        u8                      data;
 394        unsigned long           mask;
 395        struct sonypi_event *   events;
 396} sonypi_eventtypes[] = {
 397        { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 398        { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 399        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 400        { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 401        { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 402        { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 403        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 404        { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 405        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 406        { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 407
 408        { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 409        { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 410        { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 411        { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 412        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 413        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 414        { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 415        { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 416        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 417        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 418        { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 419        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 420        { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 421        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 422
 423        { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 424        { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 425        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 426        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 427        { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 428        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 429        { 0 }
 430};
 431
 432#define SONYPI_BUF_SIZE 128
 433
 434/* Correspondance table between sonypi events and input layer events */
 435static struct {
 436        int sonypiev;
 437        int inputev;
 438} sonypi_inputkeys[] = {
 439        { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 440        { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 441        { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 442        { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 443        { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 444        { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 445        { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 446        { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 447        { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 448        { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 449        { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 450        { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 451        { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 452        { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 453        { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 454        { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 455        { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 456        { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 457        { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 458        { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 459        { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 460        { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 461        { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 462        { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 463        { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 464        { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 465        { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 466        { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 467        { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 468        { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 469        { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 470        { 0, 0 },
 471};
 472
 473struct sonypi_keypress {
 474        struct input_dev *dev;
 475        int key;
 476};
 477
 478static struct sonypi_device {
 479        struct pci_dev *dev;
 480        u16 irq;
 481        u16 bits;
 482        u16 ioport1;
 483        u16 ioport2;
 484        u16 region_size;
 485        u16 evtype_offset;
 486        int camera_power;
 487        int bluetooth_power;
 488        struct mutex lock;
 489        struct kfifo fifo;
 490        spinlock_t fifo_lock;
 491        wait_queue_head_t fifo_proc_list;
 492        struct fasync_struct *fifo_async;
 493        int open_count;
 494        int model;
 495        struct input_dev *input_jog_dev;
 496        struct input_dev *input_key_dev;
 497        struct work_struct input_work;
 498        struct kfifo input_fifo;
 499        spinlock_t input_fifo_lock;
 500} sonypi_device;
 501
 502#define ITERATIONS_LONG         10000
 503#define ITERATIONS_SHORT        10
 504
 505#define wait_on_command(quiet, command, iterations) { \
 506        unsigned int n = iterations; \
 507        while (--n && (command)) \
 508                udelay(1); \
 509        if (!n && (verbose || !quiet)) \
 510                printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
 511}
 512
 513#ifdef CONFIG_ACPI
 514#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 515#else
 516#define SONYPI_ACPI_ACTIVE 0
 517#endif                          /* CONFIG_ACPI */
 518
 519#ifdef CONFIG_ACPI
 520static struct acpi_device *sonypi_acpi_device;
 521static int acpi_driver_registered;
 522#endif
 523
 524static int sonypi_ec_write(u8 addr, u8 value)
 525{
 526#ifdef CONFIG_ACPI
 527        if (SONYPI_ACPI_ACTIVE)
 528                return ec_write(addr, value);
 529#endif
 530        wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 531        outb_p(0x81, SONYPI_CST_IOPORT);
 532        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 533        outb_p(addr, SONYPI_DATA_IOPORT);
 534        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 535        outb_p(value, SONYPI_DATA_IOPORT);
 536        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 537        return 0;
 538}
 539
 540static int sonypi_ec_read(u8 addr, u8 *value)
 541{
 542#ifdef CONFIG_ACPI
 543        if (SONYPI_ACPI_ACTIVE)
 544                return ec_read(addr, value);
 545#endif
 546        wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 547        outb_p(0x80, SONYPI_CST_IOPORT);
 548        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 549        outb_p(addr, SONYPI_DATA_IOPORT);
 550        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 551        *value = inb_p(SONYPI_DATA_IOPORT);
 552        return 0;
 553}
 554
 555static int ec_read16(u8 addr, u16 *value)
 556{
 557        u8 val_lb, val_hb;
 558        if (sonypi_ec_read(addr, &val_lb))
 559                return -1;
 560        if (sonypi_ec_read(addr + 1, &val_hb))
 561                return -1;
 562        *value = val_lb | (val_hb << 8);
 563        return 0;
 564}
 565
 566/* Initializes the device - this comes from the AML code in the ACPI bios */
 567static void sonypi_type1_srs(void)
 568{
 569        u32 v;
 570
 571        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 572        v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 573        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 574
 575        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 576        v = (v & 0xFFF0FFFF) |
 577            (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 578        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 579
 580        v = inl(SONYPI_IRQ_PORT);
 581        v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 582        v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 583        outl(v, SONYPI_IRQ_PORT);
 584
 585        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 586        v = (v & 0xFF1FFFFF) | 0x00C00000;
 587        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 588}
 589
 590static void sonypi_type2_srs(void)
 591{
 592        if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 593                printk(KERN_WARNING "ec_write failed\n");
 594        if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 595                printk(KERN_WARNING "ec_write failed\n");
 596        if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 597                printk(KERN_WARNING "ec_write failed\n");
 598        udelay(10);
 599}
 600
 601static void sonypi_type3_srs(void)
 602{
 603        u16 v16;
 604        u8  v8;
 605
 606        /* This model type uses the same initialiazation of
 607         * the embedded controller as the type2 models. */
 608        sonypi_type2_srs();
 609
 610        /* Initialization of PCI config space of the LPC interface bridge. */
 611        v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 612        pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 613        pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 614        v8 = (v8 & 0xCF) | 0x10;
 615        pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 616}
 617
 618/* Disables the device - this comes from the AML code in the ACPI bios */
 619static void sonypi_type1_dis(void)
 620{
 621        u32 v;
 622
 623        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 624        v = v & 0xFF3FFFFF;
 625        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 626
 627        v = inl(SONYPI_IRQ_PORT);
 628        v |= (0x3 << SONYPI_IRQ_SHIFT);
 629        outl(v, SONYPI_IRQ_PORT);
 630}
 631
 632static void sonypi_type2_dis(void)
 633{
 634        if (sonypi_ec_write(SONYPI_SHIB, 0))
 635                printk(KERN_WARNING "ec_write failed\n");
 636        if (sonypi_ec_write(SONYPI_SLOB, 0))
 637                printk(KERN_WARNING "ec_write failed\n");
 638        if (sonypi_ec_write(SONYPI_SIRQ, 0))
 639                printk(KERN_WARNING "ec_write failed\n");
 640}
 641
 642static void sonypi_type3_dis(void)
 643{
 644        sonypi_type2_dis();
 645        udelay(10);
 646        pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 647}
 648
 649static u8 sonypi_call1(u8 dev)
 650{
 651        u8 v1, v2;
 652
 653        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 654        outb(dev, sonypi_device.ioport2);
 655        v1 = inb_p(sonypi_device.ioport2);
 656        v2 = inb_p(sonypi_device.ioport1);
 657        return v2;
 658}
 659
 660static u8 sonypi_call2(u8 dev, u8 fn)
 661{
 662        u8 v1;
 663
 664        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 665        outb(dev, sonypi_device.ioport2);
 666        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 667        outb(fn, sonypi_device.ioport1);
 668        v1 = inb_p(sonypi_device.ioport1);
 669        return v1;
 670}
 671
 672static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 673{
 674        u8 v1;
 675
 676        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 677        outb(dev, sonypi_device.ioport2);
 678        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 679        outb(fn, sonypi_device.ioport1);
 680        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 681        outb(v, sonypi_device.ioport1);
 682        v1 = inb_p(sonypi_device.ioport1);
 683        return v1;
 684}
 685
 686#if 0
 687/* Get brightness, hue etc. Unreliable... */
 688static u8 sonypi_read(u8 fn)
 689{
 690        u8 v1, v2;
 691        int n = 100;
 692
 693        while (n--) {
 694                v1 = sonypi_call2(0x8f, fn);
 695                v2 = sonypi_call2(0x8f, fn);
 696                if (v1 == v2 && v1 != 0xff)
 697                        return v1;
 698        }
 699        return 0xff;
 700}
 701#endif
 702
 703/* Set brightness, hue etc */
 704static void sonypi_set(u8 fn, u8 v)
 705{
 706        wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 707}
 708
 709/* Tests if the camera is ready */
 710static int sonypi_camera_ready(void)
 711{
 712        u8 v;
 713
 714        v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 715        return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 716}
 717
 718/* Turns the camera off */
 719static void sonypi_camera_off(void)
 720{
 721        sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 722
 723        if (!sonypi_device.camera_power)
 724                return;
 725
 726        sonypi_call2(0x91, 0);
 727        sonypi_device.camera_power = 0;
 728}
 729
 730/* Turns the camera on */
 731static void sonypi_camera_on(void)
 732{
 733        int i, j;
 734
 735        if (sonypi_device.camera_power)
 736                return;
 737
 738        for (j = 5; j > 0; j--) {
 739
 740                while (sonypi_call2(0x91, 0x1))
 741                        msleep(10);
 742                sonypi_call1(0x93);
 743
 744                for (i = 400; i > 0; i--) {
 745                        if (sonypi_camera_ready())
 746                                break;
 747                        msleep(10);
 748                }
 749                if (i)
 750                        break;
 751        }
 752
 753        if (j == 0) {
 754                printk(KERN_WARNING "sonypi: failed to power on camera\n");
 755                return;
 756        }
 757
 758        sonypi_set(0x10, 0x5a);
 759        sonypi_device.camera_power = 1;
 760}
 761
 762/* sets the bluetooth subsystem power state */
 763static void sonypi_setbluetoothpower(u8 state)
 764{
 765        state = !!state;
 766
 767        if (sonypi_device.bluetooth_power == state)
 768                return;
 769
 770        sonypi_call2(0x96, state);
 771        sonypi_call1(0x82);
 772        sonypi_device.bluetooth_power = state;
 773}
 774
 775static void input_keyrelease(struct work_struct *work)
 776{
 777        struct sonypi_keypress kp;
 778
 779        while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
 780                         sizeof(kp), &sonypi_device.input_fifo_lock)
 781                        == sizeof(kp)) {
 782                msleep(10);
 783                input_report_key(kp.dev, kp.key, 0);
 784                input_sync(kp.dev);
 785        }
 786}
 787
 788static void sonypi_report_input_event(u8 event)
 789{
 790        struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 791        struct input_dev *key_dev = sonypi_device.input_key_dev;
 792        struct sonypi_keypress kp = { NULL };
 793        int i;
 794
 795        switch (event) {
 796        case SONYPI_EVENT_JOGDIAL_UP:
 797        case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 798                input_report_rel(jog_dev, REL_WHEEL, 1);
 799                input_sync(jog_dev);
 800                break;
 801
 802        case SONYPI_EVENT_JOGDIAL_DOWN:
 803        case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 804                input_report_rel(jog_dev, REL_WHEEL, -1);
 805                input_sync(jog_dev);
 806                break;
 807
 808        case SONYPI_EVENT_JOGDIAL_PRESSED:
 809                kp.key = BTN_MIDDLE;
 810                kp.dev = jog_dev;
 811                break;
 812
 813        case SONYPI_EVENT_FNKEY_RELEASED:
 814                /* Nothing, not all VAIOs generate this event */
 815                break;
 816
 817        default:
 818                for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 819                        if (event == sonypi_inputkeys[i].sonypiev) {
 820                                kp.dev = key_dev;
 821                                kp.key = sonypi_inputkeys[i].inputev;
 822                                break;
 823                        }
 824                break;
 825        }
 826
 827        if (kp.dev) {
 828                input_report_key(kp.dev, kp.key, 1);
 829                input_sync(kp.dev);
 830                kfifo_in_locked(&sonypi_device.input_fifo,
 831                        (unsigned char *)&kp, sizeof(kp),
 832                        &sonypi_device.input_fifo_lock);
 833                schedule_work(&sonypi_device.input_work);
 834        }
 835}
 836
 837/* Interrupt handler: some event is available */
 838static irqreturn_t sonypi_irq(int irq, void *dev_id)
 839{
 840        u8 v1, v2, event = 0;
 841        int i, j;
 842
 843        v1 = inb_p(sonypi_device.ioport1);
 844        v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 845
 846        for (i = 0; sonypi_eventtypes[i].model; i++) {
 847                if (sonypi_device.model != sonypi_eventtypes[i].model)
 848                        continue;
 849                if ((v2 & sonypi_eventtypes[i].data) !=
 850                    sonypi_eventtypes[i].data)
 851                        continue;
 852                if (!(mask & sonypi_eventtypes[i].mask))
 853                        continue;
 854                for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 855                        if (v1 == sonypi_eventtypes[i].events[j].data) {
 856                                event = sonypi_eventtypes[i].events[j].event;
 857                                goto found;
 858                        }
 859                }
 860        }
 861
 862        if (verbose)
 863                printk(KERN_WARNING
 864                       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 865                       v1, v2);
 866        /* We need to return IRQ_HANDLED here because there *are*
 867         * events belonging to the sonypi device we don't know about,
 868         * but we still don't want those to pollute the logs... */
 869        return IRQ_HANDLED;
 870
 871found:
 872        if (verbose > 1)
 873                printk(KERN_INFO
 874                       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 875
 876        if (useinput)
 877                sonypi_report_input_event(event);
 878
 879#ifdef CONFIG_ACPI
 880        if (sonypi_acpi_device)
 881                acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
 882#endif
 883
 884        kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
 885                        sizeof(event), &sonypi_device.fifo_lock);
 886        kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 887        wake_up_interruptible(&sonypi_device.fifo_proc_list);
 888
 889        return IRQ_HANDLED;
 890}
 891
 892static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 893{
 894        return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 895}
 896
 897static int sonypi_misc_release(struct inode *inode, struct file *file)
 898{
 899        mutex_lock(&sonypi_device.lock);
 900        sonypi_device.open_count--;
 901        mutex_unlock(&sonypi_device.lock);
 902        return 0;
 903}
 904
 905static int sonypi_misc_open(struct inode *inode, struct file *file)
 906{
 907        mutex_lock(&sonypi_device.lock);
 908        /* Flush input queue on first open */
 909        if (!sonypi_device.open_count)
 910                kfifo_reset(&sonypi_device.fifo);
 911        sonypi_device.open_count++;
 912        mutex_unlock(&sonypi_device.lock);
 913
 914        return 0;
 915}
 916
 917static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 918                                size_t count, loff_t *pos)
 919{
 920        ssize_t ret;
 921        unsigned char c;
 922
 923        if ((kfifo_len(&sonypi_device.fifo) == 0) &&
 924            (file->f_flags & O_NONBLOCK))
 925                return -EAGAIN;
 926
 927        ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 928                                       kfifo_len(&sonypi_device.fifo) != 0);
 929        if (ret)
 930                return ret;
 931
 932        while (ret < count &&
 933               (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
 934                                 &sonypi_device.fifo_lock) == 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
 948static 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
 956static long sonypi_misc_ioctl(struct file *fp,
 957                             unsigned int cmd, unsigned long arg)
 958{
 959        long 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
1068static 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        .unlocked_ioctl = sonypi_misc_ioctl,
1076        .llseek         = no_llseek,
1077};
1078
1079static struct miscdevice sonypi_misc_device = {
1080        .minor          = MISC_DYNAMIC_MINOR,
1081        .name           = "sonypi",
1082        .fops           = &sonypi_misc_fops,
1083};
1084
1085static void sonypi_enable(unsigned int camera_on)
1086{
1087        switch (sonypi_device.model) {
1088        case SONYPI_DEVICE_MODEL_TYPE1:
1089                sonypi_type1_srs();
1090                break;
1091        case SONYPI_DEVICE_MODEL_TYPE2:
1092                sonypi_type2_srs();
1093                break;
1094        case SONYPI_DEVICE_MODEL_TYPE3:
1095                sonypi_type3_srs();
1096                break;
1097        }
1098
1099        sonypi_call1(0x82);
1100        sonypi_call2(0x81, 0xff);
1101        sonypi_call1(compat ? 0x92 : 0x82);
1102
1103        /* Enable ACPI mode to get Fn key events */
1104        if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1105                outb(0xf0, 0xb2);
1106
1107        if (camera && camera_on)
1108                sonypi_camera_on();
1109}
1110
1111static int sonypi_disable(void)
1112{
1113        sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1114        if (camera)
1115                sonypi_camera_off();
1116
1117        /* disable ACPI mode */
1118        if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1119                outb(0xf1, 0xb2);
1120
1121        switch (sonypi_device.model) {
1122        case SONYPI_DEVICE_MODEL_TYPE1:
1123                sonypi_type1_dis();
1124                break;
1125        case SONYPI_DEVICE_MODEL_TYPE2:
1126                sonypi_type2_dis();
1127                break;
1128        case SONYPI_DEVICE_MODEL_TYPE3:
1129                sonypi_type3_dis();
1130                break;
1131        }
1132
1133        return 0;
1134}
1135
1136#ifdef CONFIG_ACPI
1137static int sonypi_acpi_add(struct acpi_device *device)
1138{
1139        sonypi_acpi_device = device;
1140        strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1141        strcpy(acpi_device_class(device), "sony/hotkey");
1142        return 0;
1143}
1144
1145static int sonypi_acpi_remove(struct acpi_device *device, int type)
1146{
1147        sonypi_acpi_device = NULL;
1148        return 0;
1149}
1150
1151static const struct acpi_device_id sonypi_device_ids[] = {
1152        {"SNY6001", 0},
1153        {"", 0},
1154};
1155
1156static struct acpi_driver sonypi_acpi_driver = {
1157        .name           = "sonypi",
1158        .class          = "hkey",
1159        .ids            = sonypi_device_ids,
1160        .ops            = {
1161                           .add = sonypi_acpi_add,
1162                           .remove = sonypi_acpi_remove,
1163        },
1164};
1165#endif
1166
1167static int sonypi_create_input_devices(struct platform_device *pdev)
1168{
1169        struct input_dev *jog_dev;
1170        struct input_dev *key_dev;
1171        int i;
1172        int error;
1173
1174        sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1175        if (!jog_dev)
1176                return -ENOMEM;
1177
1178        jog_dev->name = "Sony Vaio Jogdial";
1179        jog_dev->id.bustype = BUS_ISA;
1180        jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1181        jog_dev->dev.parent = &pdev->dev;
1182
1183        jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1184        jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1185        jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1186
1187        sonypi_device.input_key_dev = key_dev = input_allocate_device();
1188        if (!key_dev) {
1189                error = -ENOMEM;
1190                goto err_free_jogdev;
1191        }
1192
1193        key_dev->name = "Sony Vaio Keys";
1194        key_dev->id.bustype = BUS_ISA;
1195        key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1196        key_dev->dev.parent = &pdev->dev;
1197
1198        /* Initialize the Input Drivers: special keys */
1199        key_dev->evbit[0] = BIT_MASK(EV_KEY);
1200        for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1201                if (sonypi_inputkeys[i].inputev)
1202                        set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1203
1204        error = input_register_device(jog_dev);
1205        if (error)
1206                goto err_free_keydev;
1207
1208        error = input_register_device(key_dev);
1209        if (error)
1210                goto err_unregister_jogdev;
1211
1212        return 0;
1213
1214 err_unregister_jogdev:
1215        input_unregister_device(jog_dev);
1216        /* Set to NULL so we don't free it again below */
1217        jog_dev = NULL;
1218 err_free_keydev:
1219        input_free_device(key_dev);
1220        sonypi_device.input_key_dev = NULL;
1221 err_free_jogdev:
1222        input_free_device(jog_dev);
1223        sonypi_device.input_jog_dev = NULL;
1224
1225        return error;
1226}
1227
1228static int sonypi_setup_ioports(struct sonypi_device *dev,
1229                                const struct sonypi_ioport_list *ioport_list)
1230{
1231        /* try to detect if sony-laptop is being used and thus
1232         * has already requested one of the known ioports.
1233         * As in the deprecated check_region this is racy has we have
1234         * multiple ioports available and one of them can be requested
1235         * between this check and the subsequent request. Anyway, as an
1236         * attempt to be some more user-friendly as we currently are,
1237         * this is enough.
1238         */
1239        const struct sonypi_ioport_list *check = ioport_list;
1240        while (check_ioport && check->port1) {
1241                if (!request_region(check->port1,
1242                                   sonypi_device.region_size,
1243                                   "Sony Programmable I/O Device Check")) {
1244                        printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1245                                        "if not use check_ioport=0\n",
1246                                        check->port1);
1247                        return -EBUSY;
1248                }
1249                release_region(check->port1, sonypi_device.region_size);
1250                check++;
1251        }
1252
1253        while (ioport_list->port1) {
1254
1255                if (request_region(ioport_list->port1,
1256                                   sonypi_device.region_size,
1257                                   "Sony Programmable I/O Device")) {
1258                        dev->ioport1 = ioport_list->port1;
1259                        dev->ioport2 = ioport_list->port2;
1260                        return 0;
1261                }
1262                ioport_list++;
1263        }
1264
1265        return -EBUSY;
1266}
1267
1268static int sonypi_setup_irq(struct sonypi_device *dev,
1269                                      const struct sonypi_irq_list *irq_list)
1270{
1271        while (irq_list->irq) {
1272
1273                if (!request_irq(irq_list->irq, sonypi_irq,
1274                                 IRQF_SHARED, "sonypi", sonypi_irq)) {
1275                        dev->irq = irq_list->irq;
1276                        dev->bits = irq_list->bits;
1277                        return 0;
1278                }
1279                irq_list++;
1280        }
1281
1282        return -EBUSY;
1283}
1284
1285static void sonypi_display_info(void)
1286{
1287        printk(KERN_INFO "sonypi: detected type%d model, "
1288               "verbose = %d, fnkeyinit = %s, camera = %s, "
1289               "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1290               sonypi_device.model,
1291               verbose,
1292               fnkeyinit ? "on" : "off",
1293               camera ? "on" : "off",
1294               compat ? "on" : "off",
1295               mask,
1296               useinput ? "on" : "off",
1297               SONYPI_ACPI_ACTIVE ? "on" : "off");
1298        printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1299               sonypi_device.irq,
1300               sonypi_device.ioport1, sonypi_device.ioport2);
1301
1302        if (minor == -1)
1303                printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1304                       sonypi_misc_device.minor);
1305}
1306
1307static int sonypi_probe(struct platform_device *dev)
1308{
1309        const struct sonypi_ioport_list *ioport_list;
1310        const struct sonypi_irq_list *irq_list;
1311        struct pci_dev *pcidev;
1312        int error;
1313
1314        printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1315                        "and report failures, see also "
1316                        "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1317
1318        spin_lock_init(&sonypi_device.fifo_lock);
1319        error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1320        if (error) {
1321                printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1322                return error;
1323        }
1324
1325        init_waitqueue_head(&sonypi_device.fifo_proc_list);
1326        mutex_init(&sonypi_device.lock);
1327        sonypi_device.bluetooth_power = -1;
1328
1329        if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1330                                     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1331                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1332        else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1333                                          PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1334                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1335        else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1336                                          PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1337                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1338        else
1339                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1340
1341        if (pcidev && pci_enable_device(pcidev)) {
1342                printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1343                error = -EIO;
1344                goto err_put_pcidev;
1345        }
1346
1347        sonypi_device.dev = pcidev;
1348
1349        if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1350                ioport_list = sonypi_type1_ioport_list;
1351                sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1352                sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1353                irq_list = sonypi_type1_irq_list;
1354        } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1355                ioport_list = sonypi_type2_ioport_list;
1356                sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1357                sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1358                irq_list = sonypi_type2_irq_list;
1359        } else {
1360                ioport_list = sonypi_type3_ioport_list;
1361                sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1362                sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1363                irq_list = sonypi_type3_irq_list;
1364        }
1365
1366        error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1367        if (error) {
1368                printk(KERN_ERR "sonypi: failed to request ioports\n");
1369                goto err_disable_pcidev;
1370        }
1371
1372        error = sonypi_setup_irq(&sonypi_device, irq_list);
1373        if (error) {
1374                printk(KERN_ERR "sonypi: request_irq failed\n");
1375                goto err_free_ioports;
1376        }
1377
1378        if (minor != -1)
1379                sonypi_misc_device.minor = minor;
1380        error = misc_register(&sonypi_misc_device);
1381        if (error) {
1382                printk(KERN_ERR "sonypi: misc_register failed\n");
1383                goto err_free_irq;
1384        }
1385
1386        sonypi_display_info();
1387
1388        if (useinput) {
1389
1390                error = sonypi_create_input_devices(dev);
1391                if (error) {
1392                        printk(KERN_ERR
1393                                "sonypi: failed to create input devices\n");
1394                        goto err_miscdev_unregister;
1395                }
1396
1397                spin_lock_init(&sonypi_device.input_fifo_lock);
1398                error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1399                                GFP_KERNEL);
1400                if (error) {
1401                        printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
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
1431static int sonypi_remove(struct platform_device *dev)
1432{
1433        sonypi_disable();
1434
1435        synchronize_irq(sonypi_device.irq);
1436        flush_work(&sonypi_device.input_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_SLEEP
1460static int old_camera_power;
1461
1462static int sonypi_suspend(struct device *dev)
1463{
1464        old_camera_power = sonypi_device.camera_power;
1465        sonypi_disable();
1466
1467        return 0;
1468}
1469
1470static int sonypi_resume(struct device *dev)
1471{
1472        sonypi_enable(old_camera_power);
1473        return 0;
1474}
1475
1476static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1477#define SONYPI_PM       (&sonypi_pm)
1478#else
1479#define SONYPI_PM       NULL
1480#endif
1481
1482static void sonypi_shutdown(struct platform_device *dev)
1483{
1484        sonypi_disable();
1485}
1486
1487static struct platform_driver sonypi_driver = {
1488        .driver         = {
1489                .name   = "sonypi",
1490                .owner  = THIS_MODULE,
1491                .pm     = SONYPI_PM,
1492        },
1493        .probe          = sonypi_probe,
1494        .remove         = sonypi_remove,
1495        .shutdown       = sonypi_shutdown,
1496};
1497
1498static struct platform_device *sonypi_platform_device;
1499
1500static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1501        {
1502                .ident = "Sony Vaio",
1503                .matches = {
1504                        DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1505                        DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1506                },
1507        },
1508        {
1509                .ident = "Sony Vaio",
1510                .matches = {
1511                        DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1512                        DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1513                },
1514        },
1515        { }
1516};
1517
1518static int __init sonypi_init(void)
1519{
1520        int error;
1521
1522        printk(KERN_INFO
1523                "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1524                SONYPI_DRIVER_VERSION);
1525
1526        if (!dmi_check_system(sonypi_dmi_table))
1527                return -ENODEV;
1528
1529        error = platform_driver_register(&sonypi_driver);
1530        if (error)
1531                return error;
1532
1533        sonypi_platform_device = platform_device_alloc("sonypi", -1);
1534        if (!sonypi_platform_device) {
1535                error = -ENOMEM;
1536                goto err_driver_unregister;
1537        }
1538
1539        error = platform_device_add(sonypi_platform_device);
1540        if (error)
1541                goto err_free_device;
1542
1543#ifdef CONFIG_ACPI
1544        if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1545                acpi_driver_registered = 1;
1546#endif
1547
1548        return 0;
1549
1550 err_free_device:
1551        platform_device_put(sonypi_platform_device);
1552 err_driver_unregister:
1553        platform_driver_unregister(&sonypi_driver);
1554        return error;
1555}
1556
1557static void __exit sonypi_exit(void)
1558{
1559#ifdef CONFIG_ACPI
1560        if (acpi_driver_registered)
1561                acpi_bus_unregister_driver(&sonypi_acpi_driver);
1562#endif
1563        platform_device_unregister(sonypi_platform_device);
1564        platform_driver_unregister(&sonypi_driver);
1565        printk(KERN_INFO "sonypi: removed.\n");
1566}
1567
1568module_init(sonypi_init);
1569module_exit(sonypi_exit);
1570
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