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#include <asm/system.h>
  58
  59#include <linux/sonypi.h>
  60
  61#define SONYPI_DRIVER_VERSION    "1.26"
  62
  63MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  64MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  65MODULE_LICENSE("GPL");
  66MODULE_VERSION(SONYPI_DRIVER_VERSION);
  67
  68static int minor = -1;
  69module_param(minor, int, 0);
  70MODULE_PARM_DESC(minor,
  71                 "minor number of the misc device, default is -1 (automatic)");
  72
  73static int verbose;             /* = 0 */
  74module_param(verbose, int, 0644);
  75MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  76
  77static int fnkeyinit;           /* = 0 */
  78module_param(fnkeyinit, int, 0444);
  79MODULE_PARM_DESC(fnkeyinit,
  80                 "set this if your Fn keys do not generate any event");
  81
  82static int camera;              /* = 0 */
  83module_param(camera, int, 0444);
  84MODULE_PARM_DESC(camera,
  85                 "set this if you have a MotionEye camera (PictureBook series)");
  86
  87static int compat;              /* = 0 */
  88module_param(compat, int, 0444);
  89MODULE_PARM_DESC(compat,
  90                 "set this if you want to enable backward compatibility mode");
  91
  92static unsigned long mask = 0xffffffff;
  93module_param(mask, ulong, 0644);
  94MODULE_PARM_DESC(mask,
  95                 "set this to the mask of event you want to enable (see doc)");
  96
  97static int useinput = 1;
  98module_param(useinput, int, 0444);
  99MODULE_PARM_DESC(useinput,
 100                 "set this if you would like sonypi to feed events to the input subsystem");
 101
 102static int check_ioport = 1;
 103module_param(check_ioport, int, 0444);
 104MODULE_PARM_DESC(check_ioport,
 105                 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
 106
 107#define SONYPI_DEVICE_MODEL_TYPE1       1
 108#define SONYPI_DEVICE_MODEL_TYPE2       2
 109#define SONYPI_DEVICE_MODEL_TYPE3       3
 110
 111/* type1 models use those */
 112#define SONYPI_IRQ_PORT                 0x8034
 113#define SONYPI_IRQ_SHIFT                22
 114#define SONYPI_TYPE1_BASE               0x50
 115#define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 116#define SONYPI_TYPE1_REGION_SIZE        0x08
 117#define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 118
 119/* type2 series specifics */
 120#define SONYPI_SIRQ                     0x9b
 121#define SONYPI_SLOB                     0x9c
 122#define SONYPI_SHIB                     0x9d
 123#define SONYPI_TYPE2_REGION_SIZE        0x20
 124#define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 125
 126/* type3 series specifics */
 127#define SONYPI_TYPE3_BASE               0x40
 128#define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 129#define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 130#define SONYPI_TYPE3_REGION_SIZE        0x20
 131#define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 132
 133/* battery / brightness addresses */
 134#define SONYPI_BAT_FLAGS        0x81
 135#define SONYPI_LCD_LIGHT        0x96
 136#define SONYPI_BAT1_PCTRM       0xa0
 137#define SONYPI_BAT1_LEFT        0xa2
 138#define SONYPI_BAT1_MAXRT       0xa4
 139#define SONYPI_BAT2_PCTRM       0xa8
 140#define SONYPI_BAT2_LEFT        0xaa
 141#define SONYPI_BAT2_MAXRT       0xac
 142#define SONYPI_BAT1_MAXTK       0xb0
 143#define SONYPI_BAT1_FULL        0xb2
 144#define SONYPI_BAT2_MAXTK       0xb8
 145#define SONYPI_BAT2_FULL        0xba
 146
 147/* FAN0 information (reverse engineered from ACPI tables) */
 148#define SONYPI_FAN0_STATUS      0x93
 149#define SONYPI_TEMP_STATUS      0xC1
 150
 151/* ioports used for brightness and type2 events */
 152#define SONYPI_DATA_IOPORT      0x62
 153#define SONYPI_CST_IOPORT       0x66
 154
 155/* The set of possible ioports */
 156struct sonypi_ioport_list {
 157        u16     port1;
 158        u16     port2;
 159};
 160
 161static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 162        { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 163        { 0x1080, 0x1084 },
 164        { 0x1090, 0x1094 },
 165        { 0x10a0, 0x10a4 },
 166        { 0x10b0, 0x10b4 },
 167        { 0x0, 0x0 }
 168};
 169
 170static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 171        { 0x1080, 0x1084 },
 172        { 0x10a0, 0x10a4 },
 173        { 0x10c0, 0x10c4 },
 174        { 0x10e0, 0x10e4 },
 175        { 0x0, 0x0 }
 176};
 177
 178/* same as in type 2 models */
 179static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 180        sonypi_type2_ioport_list;
 181
 182/* The set of possible interrupts */
 183struct sonypi_irq_list {
 184        u16     irq;
 185        u16     bits;
 186};
 187
 188static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 189        { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 190        { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 191        {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 192        {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 193};
 194
 195static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 196        { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 197        { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 198        {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 199        {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 200        {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 201};
 202
 203/* same as in type2 models */
 204static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 205
 206#define SONYPI_CAMERA_BRIGHTNESS                0
 207#define SONYPI_CAMERA_CONTRAST                  1
 208#define SONYPI_CAMERA_HUE                       2
 209#define SONYPI_CAMERA_COLOR                     3
 210#define SONYPI_CAMERA_SHARPNESS                 4
 211
 212#define SONYPI_CAMERA_PICTURE                   5
 213#define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 214#define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 215#define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 216#define SONYPI_CAMERA_MUTE_MASK                 0x40
 217
 218/* the rest don't need a loop until not 0xff */
 219#define SONYPI_CAMERA_AGC                       6
 220#define SONYPI_CAMERA_AGC_MASK                  0x30
 221#define SONYPI_CAMERA_SHUTTER_MASK              0x7
 222
 223#define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 224#define SONYPI_CAMERA_CONTROL                   0x10
 225
 226#define SONYPI_CAMERA_STATUS                    7
 227#define SONYPI_CAMERA_STATUS_READY              0x2
 228#define SONYPI_CAMERA_STATUS_POSITION           0x4
 229
 230#define SONYPI_DIRECTION_BACKWARDS              0x4
 231
 232#define SONYPI_CAMERA_REVISION                  8
 233#define SONYPI_CAMERA_ROMVERSION                9
 234
 235/* Event masks */
 236#define SONYPI_JOGGER_MASK                      0x00000001
 237#define SONYPI_CAPTURE_MASK                     0x00000002
 238#define SONYPI_FNKEY_MASK                       0x00000004
 239#define SONYPI_BLUETOOTH_MASK                   0x00000008
 240#define SONYPI_PKEY_MASK                        0x00000010
 241#define SONYPI_BACK_MASK                        0x00000020
 242#define SONYPI_HELP_MASK                        0x00000040
 243#define SONYPI_LID_MASK                         0x00000080
 244#define SONYPI_ZOOM_MASK                        0x00000100
 245#define SONYPI_THUMBPHRASE_MASK                 0x00000200
 246#define SONYPI_MEYE_MASK                        0x00000400
 247#define SONYPI_MEMORYSTICK_MASK                 0x00000800
 248#define SONYPI_BATTERY_MASK                     0x00001000
 249#define SONYPI_WIRELESS_MASK                    0x00002000
 250
 251struct sonypi_event {
 252        u8      data;
 253        u8      event;
 254};
 255
 256/* The set of possible button release events */
 257static struct sonypi_event sonypi_releaseev[] = {
 258        { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 259        { 0, 0 }
 260};
 261
 262/* The set of possible jogger events  */
 263static struct sonypi_event sonypi_joggerev[] = {
 264        { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 265        { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 266        { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 267        { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 268        { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 269        { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 270        { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 271        { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 272        { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 273        { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 274        { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 275        { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 276        { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 277        { 0, 0 }
 278};
 279
 280/* The set of possible capture button events */
 281static struct sonypi_event sonypi_captureev[] = {
 282        { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 283        { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 284        { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 285        { 0, 0 }
 286};
 287
 288/* The set of possible fnkeys events */
 289static struct sonypi_event sonypi_fnkeyev[] = {
 290        { 0x10, SONYPI_EVENT_FNKEY_ESC },
 291        { 0x11, SONYPI_EVENT_FNKEY_F1 },
 292        { 0x12, SONYPI_EVENT_FNKEY_F2 },
 293        { 0x13, SONYPI_EVENT_FNKEY_F3 },
 294        { 0x14, SONYPI_EVENT_FNKEY_F4 },
 295        { 0x15, SONYPI_EVENT_FNKEY_F5 },
 296        { 0x16, SONYPI_EVENT_FNKEY_F6 },
 297        { 0x17, SONYPI_EVENT_FNKEY_F7 },
 298        { 0x18, SONYPI_EVENT_FNKEY_F8 },
 299        { 0x19, SONYPI_EVENT_FNKEY_F9 },
 300        { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 301        { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 302        { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 303        { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 304        { 0x21, SONYPI_EVENT_FNKEY_1 },
 305        { 0x22, SONYPI_EVENT_FNKEY_2 },
 306        { 0x31, SONYPI_EVENT_FNKEY_D },
 307        { 0x32, SONYPI_EVENT_FNKEY_E },
 308        { 0x33, SONYPI_EVENT_FNKEY_F },
 309        { 0x34, SONYPI_EVENT_FNKEY_S },
 310        { 0x35, SONYPI_EVENT_FNKEY_B },
 311        { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 312        { 0, 0 }
 313};
 314
 315/* The set of possible program key events */
 316static struct sonypi_event sonypi_pkeyev[] = {
 317        { 0x01, SONYPI_EVENT_PKEY_P1 },
 318        { 0x02, SONYPI_EVENT_PKEY_P2 },
 319        { 0x04, SONYPI_EVENT_PKEY_P3 },
 320        { 0x5c, SONYPI_EVENT_PKEY_P1 },
 321        { 0, 0 }
 322};
 323
 324/* The set of possible bluetooth events */
 325static struct sonypi_event sonypi_blueev[] = {
 326        { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 327        { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 328        { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 329        { 0, 0 }
 330};
 331
 332/* The set of possible wireless events */
 333static struct sonypi_event sonypi_wlessev[] = {
 334        { 0x59, SONYPI_EVENT_WIRELESS_ON },
 335        { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 336        { 0, 0 }
 337};
 338
 339/* The set of possible back button events */
 340static struct sonypi_event sonypi_backev[] = {
 341        { 0x20, SONYPI_EVENT_BACK_PRESSED },
 342        { 0, 0 }
 343};
 344
 345/* The set of possible help button events */
 346static struct sonypi_event sonypi_helpev[] = {
 347        { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 348        { 0, 0 }
 349};
 350
 351
 352/* The set of possible lid events */
 353static struct sonypi_event sonypi_lidev[] = {
 354        { 0x51, SONYPI_EVENT_LID_CLOSED },
 355        { 0x50, SONYPI_EVENT_LID_OPENED },
 356        { 0, 0 }
 357};
 358
 359/* The set of possible zoom events */
 360static struct sonypi_event sonypi_zoomev[] = {
 361        { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 362        { 0, 0 }
 363};
 364
 365/* The set of possible thumbphrase events */
 366static struct sonypi_event sonypi_thumbphraseev[] = {
 367        { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 368        { 0, 0 }
 369};
 370
 371/* The set of possible motioneye camera events */
 372static struct sonypi_event sonypi_meyeev[] = {
 373        { 0x00, SONYPI_EVENT_MEYE_FACE },
 374        { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 375        { 0, 0 }
 376};
 377
 378/* The set of possible memorystick events */
 379static struct sonypi_event sonypi_memorystickev[] = {
 380        { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 381        { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 382        { 0, 0 }
 383};
 384
 385/* The set of possible battery events */
 386static struct sonypi_event sonypi_batteryev[] = {
 387        { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 388        { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 389        { 0, 0 }
 390};
 391
 392static struct sonypi_eventtypes {
 393        int                     model;
 394        u8                      data;
 395        unsigned long           mask;
 396        struct sonypi_event *   events;
 397} sonypi_eventtypes[] = {
 398        { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 399        { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 400        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 401        { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 402        { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 403        { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 404        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 405        { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 406        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 407        { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 408
 409        { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 410        { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 411        { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 412        { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 413        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 414        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 415        { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 416        { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 417        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 418        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 419        { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 420        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 421        { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 422        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 423
 424        { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 425        { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 426        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 427        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 428        { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 429        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 430        { 0 }
 431};
 432
 433#define SONYPI_BUF_SIZE 128
 434
 435/* Correspondance table between sonypi events and input layer events */
 436static struct {
 437        int sonypiev;
 438        int inputev;
 439} sonypi_inputkeys[] = {
 440        { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 441        { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 442        { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 443        { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 444        { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 445        { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 446        { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 447        { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 448        { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 449        { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 450        { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 451        { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 452        { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 453        { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 454        { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 455        { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 456        { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 457        { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 458        { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 459        { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 460        { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 461        { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 462        { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 463        { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 464        { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 465        { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 466        { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 467        { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 468        { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 469        { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 470        { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 471        { 0, 0 },
 472};
 473
 474struct sonypi_keypress {
 475        struct input_dev *dev;
 476        int key;
 477};
 478
 479static struct sonypi_device {
 480        struct pci_dev *dev;
 481        u16 irq;
 482        u16 bits;
 483        u16 ioport1;
 484        u16 ioport2;
 485        u16 region_size;
 486        u16 evtype_offset;
 487        int camera_power;
 488        int bluetooth_power;
 489        struct mutex lock;
 490        struct kfifo fifo;
 491        spinlock_t fifo_lock;
 492        wait_queue_head_t fifo_proc_list;
 493        struct fasync_struct *fifo_async;
 494        int open_count;
 495        int model;
 496        struct input_dev *input_jog_dev;
 497        struct input_dev *input_key_dev;
 498        struct work_struct input_work;
 499        struct kfifo input_fifo;
 500        spinlock_t input_fifo_lock;
 501} sonypi_device;
 502
 503#define ITERATIONS_LONG         10000
 504#define ITERATIONS_SHORT        10
 505
 506#define wait_on_command(quiet, command, iterations) { \
 507        unsigned int n = iterations; \
 508        while (--n && (command)) \
 509                udelay(1); \
 510        if (!n && (verbose || !quiet)) \
 511                printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
 512}
 513
 514#ifdef CONFIG_ACPI
 515#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 516#else
 517#define SONYPI_ACPI_ACTIVE 0
 518#endif                          /* CONFIG_ACPI */
 519
 520#ifdef CONFIG_ACPI
 521static struct acpi_device *sonypi_acpi_device;
 522static int acpi_driver_registered;
 523#endif
 524
 525static int sonypi_ec_write(u8 addr, u8 value)
 526{
 527#ifdef CONFIG_ACPI
 528        if (SONYPI_ACPI_ACTIVE)
 529                return ec_write(addr, value);
 530#endif
 531        wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 532        outb_p(0x81, SONYPI_CST_IOPORT);
 533        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 534        outb_p(addr, SONYPI_DATA_IOPORT);
 535        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 536        outb_p(value, SONYPI_DATA_IOPORT);
 537        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 538        return 0;
 539}
 540
 541static int sonypi_ec_read(u8 addr, u8 *value)
 542{
 543#ifdef CONFIG_ACPI
 544        if (SONYPI_ACPI_ACTIVE)
 545                return ec_read(addr, value);
 546#endif
 547        wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 548        outb_p(0x80, SONYPI_CST_IOPORT);
 549        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 550        outb_p(addr, SONYPI_DATA_IOPORT);
 551        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 552        *value = inb_p(SONYPI_DATA_IOPORT);
 553        return 0;
 554}
 555
 556static int ec_read16(u8 addr, u16 *value)
 557{
 558        u8 val_lb, val_hb;
 559        if (sonypi_ec_read(addr, &val_lb))
 560                return -1;
 561        if (sonypi_ec_read(addr + 1, &val_hb))
 562                return -1;
 563        *value = val_lb | (val_hb << 8);
 564        return 0;
 565}
 566
 567/* Initializes the device - this comes from the AML code in the ACPI bios */
 568static void sonypi_type1_srs(void)
 569{
 570        u32 v;
 571
 572        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 573        v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 574        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 575
 576        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 577        v = (v & 0xFFF0FFFF) |
 578            (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 579        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 580
 581        v = inl(SONYPI_IRQ_PORT);
 582        v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 583        v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 584        outl(v, SONYPI_IRQ_PORT);
 585
 586        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 587        v = (v & 0xFF1FFFFF) | 0x00C00000;
 588        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 589}
 590
 591static void sonypi_type2_srs(void)
 592{
 593        if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 594                printk(KERN_WARNING "ec_write failed\n");
 595        if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 596                printk(KERN_WARNING "ec_write failed\n");
 597        if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 598                printk(KERN_WARNING "ec_write failed\n");
 599        udelay(10);
 600}
 601
 602static void sonypi_type3_srs(void)
 603{
 604        u16 v16;
 605        u8  v8;
 606
 607        /* This model type uses the same initialiazation of
 608         * the embedded controller as the type2 models. */
 609        sonypi_type2_srs();
 610
 611        /* Initialization of PCI config space of the LPC interface bridge. */
 612        v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 613        pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 614        pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 615        v8 = (v8 & 0xCF) | 0x10;
 616        pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 617}
 618
 619/* Disables the device - this comes from the AML code in the ACPI bios */
 620static void sonypi_type1_dis(void)
 621{
 622        u32 v;
 623
 624        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 625        v = v & 0xFF3FFFFF;
 626        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 627
 628        v = inl(SONYPI_IRQ_PORT);
 629        v |= (0x3 << SONYPI_IRQ_SHIFT);
 630        outl(v, SONYPI_IRQ_PORT);
 631}
 632
 633static void sonypi_type2_dis(void)
 634{
 635        if (sonypi_ec_write(SONYPI_SHIB, 0))
 636                printk(KERN_WARNING "ec_write failed\n");
 637        if (sonypi_ec_write(SONYPI_SLOB, 0))
 638                printk(KERN_WARNING "ec_write failed\n");
 639        if (sonypi_ec_write(SONYPI_SIRQ, 0))
 640                printk(KERN_WARNING "ec_write failed\n");
 641}
 642
 643static void sonypi_type3_dis(void)
 644{
 645        sonypi_type2_dis();
 646        udelay(10);
 647        pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 648}
 649
 650static u8 sonypi_call1(u8 dev)
 651{
 652        u8 v1, v2;
 653
 654        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 655        outb(dev, sonypi_device.ioport2);
 656        v1 = inb_p(sonypi_device.ioport2);
 657        v2 = inb_p(sonypi_device.ioport1);
 658        return v2;
 659}
 660
 661static u8 sonypi_call2(u8 dev, u8 fn)
 662{
 663        u8 v1;
 664
 665        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 666        outb(dev, sonypi_device.ioport2);
 667        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 668        outb(fn, sonypi_device.ioport1);
 669        v1 = inb_p(sonypi_device.ioport1);
 670        return v1;
 671}
 672
 673static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 674{
 675        u8 v1;
 676
 677        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 678        outb(dev, sonypi_device.ioport2);
 679        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 680        outb(fn, sonypi_device.ioport1);
 681        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 682        outb(v, sonypi_device.ioport1);
 683        v1 = inb_p(sonypi_device.ioport1);
 684        return v1;
 685}
 686
 687#if 0
 688/* Get brightness, hue etc. Unreliable... */
 689static u8 sonypi_read(u8 fn)
 690{
 691        u8 v1, v2;
 692        int n = 100;
 693
 694        while (n--) {
 695                v1 = sonypi_call2(0x8f, fn);
 696                v2 = sonypi_call2(0x8f, fn);
 697                if (v1 == v2 && v1 != 0xff)
 698                        return v1;
 699        }
 700        return 0xff;
 701}
 702#endif
 703
 704/* Set brightness, hue etc */
 705static void sonypi_set(u8 fn, u8 v)
 706{
 707        wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 708}
 709
 710/* Tests if the camera is ready */
 711static int sonypi_camera_ready(void)
 712{
 713        u8 v;
 714
 715        v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 716        return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 717}
 718
 719/* Turns the camera off */
 720static void sonypi_camera_off(void)
 721{
 722        sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 723
 724        if (!sonypi_device.camera_power)
 725                return;
 726
 727        sonypi_call2(0x91, 0);
 728        sonypi_device.camera_power = 0;
 729}
 730
 731/* Turns the camera on */
 732static void sonypi_camera_on(void)
 733{
 734        int i, j;
 735
 736        if (sonypi_device.camera_power)
 737                return;
 738
 739        for (j = 5; j > 0; j--) {
 740
 741                while (sonypi_call2(0x91, 0x1))
 742                        msleep(10);
 743                sonypi_call1(0x93);
 744
 745                for (i = 400; i > 0; i--) {
 746                        if (sonypi_camera_ready())
 747                                break;
 748                        msleep(10);
 749                }
 750                if (i)
 751                        break;
 752        }
 753
 754        if (j == 0) {
 755                printk(KERN_WARNING "sonypi: failed to power on camera\n");
 756                return;
 757        }
 758
 759        sonypi_set(0x10, 0x5a);
 760        sonypi_device.camera_power = 1;
 761}
 762
 763/* sets the bluetooth subsystem power state */
 764static void sonypi_setbluetoothpower(u8 state)
 765{
 766        state = !!state;
 767
 768        if (sonypi_device.bluetooth_power == state)
 769                return;
 770
 771        sonypi_call2(0x96, state);
 772        sonypi_call1(0x82);
 773        sonypi_device.bluetooth_power = state;
 774}
 775
 776static void input_keyrelease(struct work_struct *work)
 777{
 778        struct sonypi_keypress kp;
 779
 780        while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
 781                         sizeof(kp), &sonypi_device.input_fifo_lock)
 782                        == sizeof(kp)) {
 783                msleep(10);
 784                input_report_key(kp.dev, kp.key, 0);
 785                input_sync(kp.dev);
 786        }
 787}
 788
 789static void sonypi_report_input_event(u8 event)
 790{
 791        struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 792        struct input_dev *key_dev = sonypi_device.input_key_dev;
 793        struct sonypi_keypress kp = { NULL };
 794        int i;
 795
 796        switch (event) {
 797        case SONYPI_EVENT_JOGDIAL_UP:
 798        case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 799                input_report_rel(jog_dev, REL_WHEEL, 1);
 800                input_sync(jog_dev);
 801                break;
 802
 803        case SONYPI_EVENT_JOGDIAL_DOWN:
 804        case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 805                input_report_rel(jog_dev, REL_WHEEL, -1);
 806                input_sync(jog_dev);
 807                break;
 808
 809        case SONYPI_EVENT_JOGDIAL_PRESSED:
 810                kp.key = BTN_MIDDLE;
 811                kp.dev = jog_dev;
 812                break;
 813
 814        case SONYPI_EVENT_FNKEY_RELEASED:
 815                /* Nothing, not all VAIOs generate this event */
 816                break;
 817
 818        default:
 819                for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 820                        if (event == sonypi_inputkeys[i].sonypiev) {
 821                                kp.dev = key_dev;
 822                                kp.key = sonypi_inputkeys[i].inputev;
 823                                break;
 824                        }
 825                break;
 826        }
 827
 828        if (kp.dev) {
 829                input_report_key(kp.dev, kp.key, 1);
 830                input_sync(kp.dev);
 831                kfifo_in_locked(&sonypi_device.input_fifo,
 832                        (unsigned char *)&kp, sizeof(kp),
 833                        &sonypi_device.input_fifo_lock);
 834                schedule_work(&sonypi_device.input_work);
 835        }
 836}
 837
 838/* Interrupt handler: some event is available */
 839static irqreturn_t sonypi_irq(int irq, void *dev_id)
 840{
 841        u8 v1, v2, event = 0;
 842        int i, j;
 843
 844        v1 = inb_p(sonypi_device.ioport1);
 845        v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 846
 847        for (i = 0; sonypi_eventtypes[i].model; i++) {
 848                if (sonypi_device.model != sonypi_eventtypes[i].model)
 849                        continue;
 850                if ((v2 & sonypi_eventtypes[i].data) !=
 851                    sonypi_eventtypes[i].data)
 852                        continue;
 853                if (!(mask & sonypi_eventtypes[i].mask))
 854                        continue;
 855                for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 856                        if (v1 == sonypi_eventtypes[i].events[j].data) {
 857                                event = sonypi_eventtypes[i].events[j].event;
 858                                goto found;
 859                        }
 860                }
 861        }
 862
 863        if (verbose)
 864                printk(KERN_WARNING
 865                       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 866                       v1, v2);
 867        /* We need to return IRQ_HANDLED here because there *are*
 868         * events belonging to the sonypi device we don't know about,
 869         * but we still don't want those to pollute the logs... */
 870        return IRQ_HANDLED;
 871
 872found:
 873        if (verbose > 1)
 874                printk(KERN_INFO
 875                       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 876
 877        if (useinput)
 878                sonypi_report_input_event(event);
 879
 880#ifdef CONFIG_ACPI
 881        if (sonypi_acpi_device)
 882                acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
 883#endif
 884
 885        kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
 886                        sizeof(event), &sonypi_device.fifo_lock);
 887        kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 888        wake_up_interruptible(&sonypi_device.fifo_proc_list);
 889
 890        return IRQ_HANDLED;
 891}
 892
 893static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 894{
 895        return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 896}
 897
 898static int sonypi_misc_release(struct inode *inode, struct file *file)
 899{
 900        mutex_lock(&sonypi_device.lock);
 901        sonypi_device.open_count--;
 902        mutex_unlock(&sonypi_device.lock);
 903        return 0;
 904}
 905
 906static int sonypi_misc_open(struct inode *inode, struct file *file)
 907{
 908        mutex_lock(&sonypi_device.lock);
 909        /* Flush input queue on first open */
 910        if (!sonypi_device.open_count)
 911                kfifo_reset(&sonypi_device.fifo);
 912        sonypi_device.open_count++;
 913        mutex_unlock(&sonypi_device.lock);
 914
 915        return 0;
 916}
 917
 918static 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_out_locked(&sonypi_device.fifo, &c, sizeof(c),
 935                                 &sonypi_device.fifo_lock) == sizeof(c))) {
 936                if (put_user(c, buf++))
 937                        return -EFAULT;
 938                ret++;
 939        }
 940
 941        if (ret > 0) {
 942                struct inode *inode = file->f_path.dentry->d_inode;
 943                inode->i_atime = current_fs_time(inode->i_sb);
 944        }
 945
 946        return ret;
 947}
 948
 949static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 950{
 951        poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 952        if (kfifo_len(&sonypi_device.fifo))
 953                return POLLIN | POLLRDNORM;
 954        return 0;
 955}
 956
 957static long sonypi_misc_ioctl(struct file *fp,
 958                             unsigned int cmd, unsigned long arg)
 959{
 960        long ret = 0;
 961        void __user *argp = (void __user *)arg;
 962        u8 val8;
 963        u16 val16;
 964
 965        mutex_lock(&sonypi_device.lock);
 966        switch (cmd) {
 967        case SONYPI_IOCGBRT:
 968                if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 969                        ret = -EIO;
 970                        break;
 971                }
 972                if (copy_to_user(argp, &val8, sizeof(val8)))
 973                        ret = -EFAULT;
 974                break;
 975        case SONYPI_IOCSBRT:
 976                if (copy_from_user(&val8, argp, sizeof(val8))) {
 977                        ret = -EFAULT;
 978                        break;
 979                }
 980                if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 981                        ret = -EIO;
 982                break;
 983        case SONYPI_IOCGBAT1CAP:
 984                if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 985                        ret = -EIO;
 986                        break;
 987                }
 988                if (copy_to_user(argp, &val16, sizeof(val16)))
 989                        ret = -EFAULT;
 990                break;
 991        case SONYPI_IOCGBAT1REM:
 992                if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 993                        ret = -EIO;
 994                        break;
 995                }
 996                if (copy_to_user(argp, &val16, sizeof(val16)))
 997                        ret = -EFAULT;
 998                break;
 999        case SONYPI_IOCGBAT2CAP:
1000                if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1001                        ret = -EIO;
1002                        break;
1003                }
1004                if (copy_to_user(argp, &val16, sizeof(val16)))
1005                        ret = -EFAULT;
1006                break;
1007        case SONYPI_IOCGBAT2REM:
1008                if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1009                        ret = -EIO;
1010                        break;
1011                }
1012                if (copy_to_user(argp, &val16, sizeof(val16)))
1013                        ret = -EFAULT;
1014                break;
1015        case SONYPI_IOCGBATFLAGS:
1016                if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1017                        ret = -EIO;
1018                        break;
1019                }
1020                val8 &= 0x07;
1021                if (copy_to_user(argp, &val8, sizeof(val8)))
1022                        ret = -EFAULT;
1023                break;
1024        case SONYPI_IOCGBLUE:
1025                val8 = sonypi_device.bluetooth_power;
1026                if (copy_to_user(argp, &val8, sizeof(val8)))
1027                        ret = -EFAULT;
1028                break;
1029        case SONYPI_IOCSBLUE:
1030                if (copy_from_user(&val8, argp, sizeof(val8))) {
1031                        ret = -EFAULT;
1032                        break;
1033                }
1034                sonypi_setbluetoothpower(val8);
1035                break;
1036        /* FAN Controls */
1037        case SONYPI_IOCGFAN:
1038                if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1039                        ret = -EIO;
1040                        break;
1041                }
1042                if (copy_to_user(argp, &val8, sizeof(val8)))
1043                        ret = -EFAULT;
1044                break;
1045        case SONYPI_IOCSFAN:
1046                if (copy_from_user(&val8, argp, sizeof(val8))) {
1047                        ret = -EFAULT;
1048                        break;
1049                }
1050                if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1051                        ret = -EIO;
1052                break;
1053        /* GET Temperature (useful under APM) */
1054        case SONYPI_IOCGTEMP:
1055                if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1056                        ret = -EIO;
1057                        break;
1058                }
1059                if (copy_to_user(argp, &val8, sizeof(val8)))
1060                        ret = -EFAULT;
1061                break;
1062        default:
1063                ret = -EINVAL;
1064        }
1065        mutex_unlock(&sonypi_device.lock);
1066        return ret;
1067}
1068
1069static const struct file_operations sonypi_misc_fops = {
1070        .owner          = THIS_MODULE,
1071        .read           = sonypi_misc_read,
1072        .poll           = sonypi_misc_poll,
1073        .open           = sonypi_misc_open,
1074        .release        = sonypi_misc_release,
1075        .fasync         = sonypi_misc_fasync,
1076        .unlocked_ioctl = sonypi_misc_ioctl,
1077        .llseek         = no_llseek,
1078};
1079
1080static struct miscdevice sonypi_misc_device = {
1081        .minor          = MISC_DYNAMIC_MINOR,
1082        .name           = "sonypi",
1083        .fops           = &sonypi_misc_fops,
1084};
1085
1086static void sonypi_enable(unsigned int camera_on)
1087{
1088        switch (sonypi_device.model) {
1089        case SONYPI_DEVICE_MODEL_TYPE1:
1090                sonypi_type1_srs();
1091                break;
1092        case SONYPI_DEVICE_MODEL_TYPE2:
1093                sonypi_type2_srs();
1094                break;
1095        case SONYPI_DEVICE_MODEL_TYPE3:
1096                sonypi_type3_srs();
1097                break;
1098        }
1099
1100        sonypi_call1(0x82);
1101        sonypi_call2(0x81, 0xff);
1102        sonypi_call1(compat ? 0x92 : 0x82);
1103
1104        /* Enable ACPI mode to get Fn key events */
1105        if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1106                outb(0xf0, 0xb2);
1107
1108        if (camera && camera_on)
1109                sonypi_camera_on();
1110}
1111
1112static int sonypi_disable(void)
1113{
1114        sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1115        if (camera)
1116                sonypi_camera_off();
1117
1118        /* disable ACPI mode */
1119        if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1120                outb(0xf1, 0xb2);
1121
1122        switch (sonypi_device.model) {
1123        case SONYPI_DEVICE_MODEL_TYPE1:
1124                sonypi_type1_dis();
1125                break;
1126        case SONYPI_DEVICE_MODEL_TYPE2:
1127                sonypi_type2_dis();
1128                break;
1129        case SONYPI_DEVICE_MODEL_TYPE3:
1130                sonypi_type3_dis();
1131                break;
1132        }
1133
1134        return 0;
1135}
1136
1137#ifdef CONFIG_ACPI
1138static int sonypi_acpi_add(struct acpi_device *device)
1139{
1140        sonypi_acpi_device = device;
1141        strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1142        strcpy(acpi_device_class(device), "sony/hotkey");
1143        return 0;
1144}
1145
1146static int sonypi_acpi_remove(struct acpi_device *device, int type)
1147{
1148        sonypi_acpi_device = NULL;
1149        return 0;
1150}
1151
1152static const struct acpi_device_id sonypi_device_ids[] = {
1153        {"SNY6001", 0},
1154        {"", 0},
1155};
1156
1157static struct acpi_driver sonypi_acpi_driver = {
1158        .name           = "sonypi",
1159        .class          = "hkey",
1160        .ids            = sonypi_device_ids,
1161        .ops            = {
1162                           .add = sonypi_acpi_add,
1163                           .remove = sonypi_acpi_remove,
1164        },
1165};
1166#endif
1167
1168static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
1169{
1170        struct input_dev *jog_dev;
1171        struct input_dev *key_dev;
1172        int i;
1173        int error;
1174
1175        sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1176        if (!jog_dev)
1177                return -ENOMEM;
1178
1179        jog_dev->name = "Sony Vaio Jogdial";
1180        jog_dev->id.bustype = BUS_ISA;
1181        jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1182        jog_dev->dev.parent = &pdev->dev;
1183
1184        jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1185        jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1186        jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1187
1188        sonypi_device.input_key_dev = key_dev = input_allocate_device();
1189        if (!key_dev) {
1190                error = -ENOMEM;
1191                goto err_free_jogdev;
1192        }
1193
1194        key_dev->name = "Sony Vaio Keys";
1195        key_dev->id.bustype = BUS_ISA;
1196        key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1197        key_dev->dev.parent = &pdev->dev;
1198
1199        /* Initialize the Input Drivers: special keys */
1200        key_dev->evbit[0] = BIT_MASK(EV_KEY);
1201        for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1202                if (sonypi_inputkeys[i].inputev)
1203                        set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1204
1205        error = input_register_device(jog_dev);
1206        if (error)
1207                goto err_free_keydev;
1208
1209        error = input_register_device(key_dev);
1210        if (error)
1211                goto err_unregister_jogdev;
1212
1213        return 0;
1214
1215 err_unregister_jogdev:
1216        input_unregister_device(jog_dev);
1217        /* Set to NULL so we don't free it again below */
1218        jog_dev = NULL;
1219 err_free_keydev:
1220        input_free_device(key_dev);
1221        sonypi_device.input_key_dev = NULL;
1222 err_free_jogdev:
1223        input_free_device(jog_dev);
1224        sonypi_device.input_jog_dev = NULL;
1225
1226        return error;
1227}
1228
1229static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1230                                const struct sonypi_ioport_list *ioport_list)
1231{
1232        /* try to detect if sony-laptop is being used and thus
1233         * has already requested one of the known ioports.
1234         * As in the deprecated check_region this is racy has we have
1235         * multiple ioports available and one of them can be requested
1236         * between this check and the subsequent request. Anyway, as an
1237         * attempt to be some more user-friendly as we currently are,
1238         * this is enough.
1239         */
1240        const struct sonypi_ioport_list *check = ioport_list;
1241        while (check_ioport && check->port1) {
1242                if (!request_region(check->port1,
1243                                   sonypi_device.region_size,
1244                                   "Sony Programable I/O Device Check")) {
1245                        printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1246                                        "if not use check_ioport=0\n",
1247                                        check->port1);
1248                        return -EBUSY;
1249                }
1250                release_region(check->port1, sonypi_device.region_size);
1251                check++;
1252        }
1253
1254        while (ioport_list->port1) {
1255
1256                if (request_region(ioport_list->port1,
1257                                   sonypi_device.region_size,
1258                                   "Sony Programable I/O Device")) {
1259                        dev->ioport1 = ioport_list->port1;
1260                        dev->ioport2 = ioport_list->port2;
1261                        return 0;
1262                }
1263                ioport_list++;
1264        }
1265
1266        return -EBUSY;
1267}
1268
1269static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1270                                      const struct sonypi_irq_list *irq_list)
1271{
1272        while (irq_list->irq) {
1273
1274                if (!request_irq(irq_list->irq, sonypi_irq,
1275                                 IRQF_SHARED, "sonypi", sonypi_irq)) {
1276                        dev->irq = irq_list->irq;
1277                        dev->bits = irq_list->bits;
1278                        return 0;
1279                }
1280                irq_list++;
1281        }
1282
1283        return -EBUSY;
1284}
1285
1286static void __devinit sonypi_display_info(void)
1287{
1288        printk(KERN_INFO "sonypi: detected type%d model, "
1289               "verbose = %d, fnkeyinit = %s, camera = %s, "
1290               "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1291               sonypi_device.model,
1292               verbose,
1293               fnkeyinit ? "on" : "off",
1294               camera ? "on" : "off",
1295               compat ? "on" : "off",
1296               mask,
1297               useinput ? "on" : "off",
1298               SONYPI_ACPI_ACTIVE ? "on" : "off");
1299        printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1300               sonypi_device.irq,
1301               sonypi_device.ioport1, sonypi_device.ioport2);
1302
1303        if (minor == -1)
1304                printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1305                       sonypi_misc_device.minor);
1306}
1307
1308static int __devinit sonypi_probe(struct platform_device *dev)
1309{
1310        const struct sonypi_ioport_list *ioport_list;
1311        const struct sonypi_irq_list *irq_list;
1312        struct pci_dev *pcidev;
1313        int error;
1314
1315        printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1316                        "and report failures, see also "
1317                        "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1318
1319        spin_lock_init(&sonypi_device.fifo_lock);
1320        error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1321        if (error) {
1322                printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1323                return error;
1324        }
1325
1326        init_waitqueue_head(&sonypi_device.fifo_proc_list);
1327        mutex_init(&sonypi_device.lock);
1328        sonypi_device.bluetooth_power = -1;
1329
1330        if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331                                     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1332                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1333        else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1334                                          PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1335                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1336        else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1337                                          PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1338                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1339        else
1340                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1341
1342        if (pcidev && pci_enable_device(pcidev)) {
1343                printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1344                error = -EIO;
1345                goto err_put_pcidev;
1346        }
1347
1348        sonypi_device.dev = pcidev;
1349
1350        if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1351                ioport_list = sonypi_type1_ioport_list;
1352                sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1353                sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1354                irq_list = sonypi_type1_irq_list;
1355        } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1356                ioport_list = sonypi_type2_ioport_list;
1357                sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1358                sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1359                irq_list = sonypi_type2_irq_list;
1360        } else {
1361                ioport_list = sonypi_type3_ioport_list;
1362                sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1363                sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1364                irq_list = sonypi_type3_irq_list;
1365        }
1366
1367        error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1368        if (error) {
1369                printk(KERN_ERR "sonypi: failed to request ioports\n");
1370                goto err_disable_pcidev;
1371        }
1372
1373        error = sonypi_setup_irq(&sonypi_device, irq_list);
1374        if (error) {
1375                printk(KERN_ERR "sonypi: request_irq failed\n");
1376                goto err_free_ioports;
1377        }
1378
1379        if (minor != -1)
1380                sonypi_misc_device.minor = minor;
1381        error = misc_register(&sonypi_misc_device);
1382        if (error) {
1383                printk(KERN_ERR "sonypi: misc_register failed\n");
1384                goto err_free_irq;
1385        }
1386
1387        sonypi_display_info();
1388
1389        if (useinput) {
1390
1391                error = sonypi_create_input_devices(dev);
1392                if (error) {
1393                        printk(KERN_ERR
1394                                "sonypi: failed to create input devices\n");
1395                        goto err_miscdev_unregister;
1396                }
1397
1398                spin_lock_init(&sonypi_device.input_fifo_lock);
1399                error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1400                                GFP_KERNEL);
1401                if (error) {
1402                        printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1403                        goto err_inpdev_unregister;
1404                }
1405
1406                INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1407        }
1408
1409        sonypi_enable(0);
1410
1411        return 0;
1412
1413 err_inpdev_unregister:
1414        input_unregister_device(sonypi_device.input_key_dev);
1415        input_unregister_device(sonypi_device.input_jog_dev);
1416 err_miscdev_unregister:
1417        misc_deregister(&sonypi_misc_device);
1418 err_free_irq:
1419        free_irq(sonypi_device.irq, sonypi_irq);
1420 err_free_ioports:
1421        release_region(sonypi_device.ioport1, sonypi_device.region_size);
1422 err_disable_pcidev:
1423        if (pcidev)
1424                pci_disable_device(pcidev);
1425 err_put_pcidev:
1426        pci_dev_put(pcidev);
1427        kfifo_free(&sonypi_device.fifo);
1428
1429        return error;
1430}
1431
1432static int __devexit sonypi_remove(struct platform_device *dev)
1433{
1434        sonypi_disable();
1435
1436        synchronize_irq(sonypi_device.irq);
1437        flush_scheduled_work();
1438
1439        if (useinput) {
1440                input_unregister_device(sonypi_device.input_key_dev);
1441                input_unregister_device(sonypi_device.input_jog_dev);
1442                kfifo_free(&sonypi_device.input_fifo);
1443        }
1444
1445        misc_deregister(&sonypi_misc_device);
1446
1447        free_irq(sonypi_device.irq, sonypi_irq);
1448        release_region(sonypi_device.ioport1, sonypi_device.region_size);
1449
1450        if (sonypi_device.dev) {
1451                pci_disable_device(sonypi_device.dev);
1452                pci_dev_put(sonypi_device.dev);
1453        }
1454
1455        kfifo_free(&sonypi_device.fifo);
1456
1457        return 0;
1458}
1459
1460#ifdef CONFIG_PM
1461static int old_camera_power;
1462
1463static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1464{
1465        old_camera_power = sonypi_device.camera_power;
1466        sonypi_disable();
1467
1468        return 0;
1469}
1470
1471static int sonypi_resume(struct platform_device *dev)
1472{
1473        sonypi_enable(old_camera_power);
1474        return 0;
1475}
1476#else
1477#define sonypi_suspend  NULL
1478#define sonypi_resume   NULL
1479#endif
1480
1481static void sonypi_shutdown(struct platform_device *dev)
1482{
1483        sonypi_disable();
1484}
1485
1486static struct platform_driver sonypi_driver = {
1487        .driver         = {
1488                .name   = "sonypi",
1489                .owner  = THIS_MODULE,
1490        },
1491        .probe          = sonypi_probe,
1492        .remove         = __devexit_p(sonypi_remove),
1493        .shutdown       = sonypi_shutdown,
1494        .suspend        = sonypi_suspend,
1495        .resume         = sonypi_resume,
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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