linux/drivers/char/sonypi.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Sony Programmable I/O Control Device driver for VAIO
   4 *
   5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
   6 *
   7 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   8 *
   9 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  10 *
  11 * Copyright (C) 2001-2002 Alc\xC3\xB4ve <www.alcove.com>
  12 *
  13 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  14 *
  15 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  16 *
  17 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  18 *
  19 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  20 *
  21 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  22 */
  23
  24#include <linux/module.h>
  25#include <linux/sched.h>
  26#include <linux/input.h>
  27#include <linux/pci.h>
  28#include <linux/init.h>
  29#include <linux/interrupt.h>
  30#include <linux/miscdevice.h>
  31#include <linux/poll.h>
  32#include <linux/delay.h>
  33#include <linux/wait.h>
  34#include <linux/acpi.h>
  35#include <linux/dmi.h>
  36#include <linux/err.h>
  37#include <linux/kfifo.h>
  38#include <linux/platform_device.h>
  39#include <linux/gfp.h>
  40
  41#include <linux/uaccess.h>
  42#include <asm/io.h>
  43
  44#include <linux/sonypi.h>
  45
  46#define SONYPI_DRIVER_VERSION    "1.26"
  47
  48MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  49MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  50MODULE_LICENSE("GPL");
  51MODULE_VERSION(SONYPI_DRIVER_VERSION);
  52
  53static int minor = -1;
  54module_param(minor, int, 0);
  55MODULE_PARM_DESC(minor,
  56                 "minor number of the misc device, default is -1 (automatic)");
  57
  58static int verbose;             /* = 0 */
  59module_param(verbose, int, 0644);
  60MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  61
  62static int fnkeyinit;           /* = 0 */
  63module_param(fnkeyinit, int, 0444);
  64MODULE_PARM_DESC(fnkeyinit,
  65                 "set this if your Fn keys do not generate any event");
  66
  67static int camera;              /* = 0 */
  68module_param(camera, int, 0444);
  69MODULE_PARM_DESC(camera,
  70                 "set this if you have a MotionEye camera (PictureBook series)");
  71
  72static int compat;              /* = 0 */
  73module_param(compat, int, 0444);
  74MODULE_PARM_DESC(compat,
  75                 "set this if you want to enable backward compatibility mode");
  76
  77static unsigned long mask = 0xffffffff;
  78module_param(mask, ulong, 0644);
  79MODULE_PARM_DESC(mask,
  80                 "set this to the mask of event you want to enable (see doc)");
  81
  82static int useinput = 1;
  83module_param(useinput, int, 0444);
  84MODULE_PARM_DESC(useinput,
  85                 "set this if you would like sonypi to feed events to the input subsystem");
  86
  87static int check_ioport = 1;
  88module_param(check_ioport, int, 0444);
  89MODULE_PARM_DESC(check_ioport,
  90                 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
  91
  92#define SONYPI_DEVICE_MODEL_TYPE1       1
  93#define SONYPI_DEVICE_MODEL_TYPE2       2
  94#define SONYPI_DEVICE_MODEL_TYPE3       3
  95
  96/* type1 models use those */
  97#define SONYPI_IRQ_PORT                 0x8034
  98#define SONYPI_IRQ_SHIFT                22
  99#define SONYPI_TYPE1_BASE               0x50
 100#define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 101#define SONYPI_TYPE1_REGION_SIZE        0x08
 102#define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 103
 104/* type2 series specifics */
 105#define SONYPI_SIRQ                     0x9b
 106#define SONYPI_SLOB                     0x9c
 107#define SONYPI_SHIB                     0x9d
 108#define SONYPI_TYPE2_REGION_SIZE        0x20
 109#define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 110
 111/* type3 series specifics */
 112#define SONYPI_TYPE3_BASE               0x40
 113#define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 114#define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 115#define SONYPI_TYPE3_REGION_SIZE        0x20
 116#define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 117
 118/* battery / brightness addresses */
 119#define SONYPI_BAT_FLAGS        0x81
 120#define SONYPI_LCD_LIGHT        0x96
 121#define SONYPI_BAT1_PCTRM       0xa0
 122#define SONYPI_BAT1_LEFT        0xa2
 123#define SONYPI_BAT1_MAXRT       0xa4
 124#define SONYPI_BAT2_PCTRM       0xa8
 125#define SONYPI_BAT2_LEFT        0xaa
 126#define SONYPI_BAT2_MAXRT       0xac
 127#define SONYPI_BAT1_MAXTK       0xb0
 128#define SONYPI_BAT1_FULL        0xb2
 129#define SONYPI_BAT2_MAXTK       0xb8
 130#define SONYPI_BAT2_FULL        0xba
 131
 132/* FAN0 information (reverse engineered from ACPI tables) */
 133#define SONYPI_FAN0_STATUS      0x93
 134#define SONYPI_TEMP_STATUS      0xC1
 135
 136/* ioports used for brightness and type2 events */
 137#define SONYPI_DATA_IOPORT      0x62
 138#define SONYPI_CST_IOPORT       0x66
 139
 140/* The set of possible ioports */
 141struct sonypi_ioport_list {
 142        u16     port1;
 143        u16     port2;
 144};
 145
 146static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 147        { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 148        { 0x1080, 0x1084 },
 149        { 0x1090, 0x1094 },
 150        { 0x10a0, 0x10a4 },
 151        { 0x10b0, 0x10b4 },
 152        { 0x0, 0x0 }
 153};
 154
 155static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 156        { 0x1080, 0x1084 },
 157        { 0x10a0, 0x10a4 },
 158        { 0x10c0, 0x10c4 },
 159        { 0x10e0, 0x10e4 },
 160        { 0x0, 0x0 }
 161};
 162
 163/* same as in type 2 models */
 164static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 165        sonypi_type2_ioport_list;
 166
 167/* The set of possible interrupts */
 168struct sonypi_irq_list {
 169        u16     irq;
 170        u16     bits;
 171};
 172
 173static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 174        { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 175        { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 176        {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 177        {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 178};
 179
 180static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 181        { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 182        { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 183        {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 184        {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 185        {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 186};
 187
 188/* same as in type2 models */
 189static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 190
 191#define SONYPI_CAMERA_BRIGHTNESS                0
 192#define SONYPI_CAMERA_CONTRAST                  1
 193#define SONYPI_CAMERA_HUE                       2
 194#define SONYPI_CAMERA_COLOR                     3
 195#define SONYPI_CAMERA_SHARPNESS                 4
 196
 197#define SONYPI_CAMERA_PICTURE                   5
 198#define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 199#define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 200#define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 201#define SONYPI_CAMERA_MUTE_MASK                 0x40
 202
 203/* the rest don't need a loop until not 0xff */
 204#define SONYPI_CAMERA_AGC                       6
 205#define SONYPI_CAMERA_AGC_MASK                  0x30
 206#define SONYPI_CAMERA_SHUTTER_MASK              0x7
 207
 208#define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 209#define SONYPI_CAMERA_CONTROL                   0x10
 210
 211#define SONYPI_CAMERA_STATUS                    7
 212#define SONYPI_CAMERA_STATUS_READY              0x2
 213#define SONYPI_CAMERA_STATUS_POSITION           0x4
 214
 215#define SONYPI_DIRECTION_BACKWARDS              0x4
 216
 217#define SONYPI_CAMERA_REVISION                  8
 218#define SONYPI_CAMERA_ROMVERSION                9
 219
 220/* Event masks */
 221#define SONYPI_JOGGER_MASK                      0x00000001
 222#define SONYPI_CAPTURE_MASK                     0x00000002
 223#define SONYPI_FNKEY_MASK                       0x00000004
 224#define SONYPI_BLUETOOTH_MASK                   0x00000008
 225#define SONYPI_PKEY_MASK                        0x00000010
 226#define SONYPI_BACK_MASK                        0x00000020
 227#define SONYPI_HELP_MASK                        0x00000040
 228#define SONYPI_LID_MASK                         0x00000080
 229#define SONYPI_ZOOM_MASK                        0x00000100
 230#define SONYPI_THUMBPHRASE_MASK                 0x00000200
 231#define SONYPI_MEYE_MASK                        0x00000400
 232#define SONYPI_MEMORYSTICK_MASK                 0x00000800
 233#define SONYPI_BATTERY_MASK                     0x00001000
 234#define SONYPI_WIRELESS_MASK                    0x00002000
 235
 236struct sonypi_event {
 237        u8      data;
 238        u8      event;
 239};
 240
 241/* The set of possible button release events */
 242static struct sonypi_event sonypi_releaseev[] = {
 243        { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 244        { 0, 0 }
 245};
 246
 247/* The set of possible jogger events  */
 248static struct sonypi_event sonypi_joggerev[] = {
 249        { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 250        { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 251        { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 252        { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 253        { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 254        { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 255        { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 256        { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 257        { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 258        { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 259        { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 260        { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 261        { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 262        { 0, 0 }
 263};
 264
 265/* The set of possible capture button events */
 266static struct sonypi_event sonypi_captureev[] = {
 267        { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 268        { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 269        { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 270        { 0, 0 }
 271};
 272
 273/* The set of possible fnkeys events */
 274static struct sonypi_event sonypi_fnkeyev[] = {
 275        { 0x10, SONYPI_EVENT_FNKEY_ESC },
 276        { 0x11, SONYPI_EVENT_FNKEY_F1 },
 277        { 0x12, SONYPI_EVENT_FNKEY_F2 },
 278        { 0x13, SONYPI_EVENT_FNKEY_F3 },
 279        { 0x14, SONYPI_EVENT_FNKEY_F4 },
 280        { 0x15, SONYPI_EVENT_FNKEY_F5 },
 281        { 0x16, SONYPI_EVENT_FNKEY_F6 },
 282        { 0x17, SONYPI_EVENT_FNKEY_F7 },
 283        { 0x18, SONYPI_EVENT_FNKEY_F8 },
 284        { 0x19, SONYPI_EVENT_FNKEY_F9 },
 285        { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 286        { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 287        { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 288        { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 289        { 0x21, SONYPI_EVENT_FNKEY_1 },
 290        { 0x22, SONYPI_EVENT_FNKEY_2 },
 291        { 0x31, SONYPI_EVENT_FNKEY_D },
 292        { 0x32, SONYPI_EVENT_FNKEY_E },
 293        { 0x33, SONYPI_EVENT_FNKEY_F },
 294        { 0x34, SONYPI_EVENT_FNKEY_S },
 295        { 0x35, SONYPI_EVENT_FNKEY_B },
 296        { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 297        { 0, 0 }
 298};
 299
 300/* The set of possible program key events */
 301static struct sonypi_event sonypi_pkeyev[] = {
 302        { 0x01, SONYPI_EVENT_PKEY_P1 },
 303        { 0x02, SONYPI_EVENT_PKEY_P2 },
 304        { 0x04, SONYPI_EVENT_PKEY_P3 },
 305        { 0x5c, SONYPI_EVENT_PKEY_P1 },
 306        { 0, 0 }
 307};
 308
 309/* The set of possible bluetooth events */
 310static struct sonypi_event sonypi_blueev[] = {
 311        { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 312        { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 313        { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 314        { 0, 0 }
 315};
 316
 317/* The set of possible wireless events */
 318static struct sonypi_event sonypi_wlessev[] = {
 319        { 0x59, SONYPI_EVENT_WIRELESS_ON },
 320        { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 321        { 0, 0 }
 322};
 323
 324/* The set of possible back button events */
 325static struct sonypi_event sonypi_backev[] = {
 326        { 0x20, SONYPI_EVENT_BACK_PRESSED },
 327        { 0, 0 }
 328};
 329
 330/* The set of possible help button events */
 331static struct sonypi_event sonypi_helpev[] = {
 332        { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 333        { 0, 0 }
 334};
 335
 336
 337/* The set of possible lid events */
 338static struct sonypi_event sonypi_lidev[] = {
 339        { 0x51, SONYPI_EVENT_LID_CLOSED },
 340        { 0x50, SONYPI_EVENT_LID_OPENED },
 341        { 0, 0 }
 342};
 343
 344/* The set of possible zoom events */
 345static struct sonypi_event sonypi_zoomev[] = {
 346        { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 347        { 0, 0 }
 348};
 349
 350/* The set of possible thumbphrase events */
 351static struct sonypi_event sonypi_thumbphraseev[] = {
 352        { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 353        { 0, 0 }
 354};
 355
 356/* The set of possible motioneye camera events */
 357static struct sonypi_event sonypi_meyeev[] = {
 358        { 0x00, SONYPI_EVENT_MEYE_FACE },
 359        { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 360        { 0, 0 }
 361};
 362
 363/* The set of possible memorystick events */
 364static struct sonypi_event sonypi_memorystickev[] = {
 365        { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 366        { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 367        { 0, 0 }
 368};
 369
 370/* The set of possible battery events */
 371static struct sonypi_event sonypi_batteryev[] = {
 372        { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 373        { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 374        { 0, 0 }
 375};
 376
 377static struct sonypi_eventtypes {
 378        int                     model;
 379        u8                      data;
 380        unsigned long           mask;
 381        struct sonypi_event *   events;
 382} sonypi_eventtypes[] = {
 383        { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 384        { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 385        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 386        { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 387        { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 388        { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 389        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 390        { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 391        { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 392        { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 393
 394        { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 395        { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 396        { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 397        { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 398        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 399        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 400        { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 401        { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 402        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 403        { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 404        { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 405        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 406        { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 407        { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 408
 409        { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 410        { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 411        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 412        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 413        { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 414        { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 415        { 0 }
 416};
 417
 418#define SONYPI_BUF_SIZE 128
 419
 420/* Correspondance table between sonypi events and input layer events */
 421static struct {
 422        int sonypiev;
 423        int inputev;
 424} sonypi_inputkeys[] = {
 425        { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 426        { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 427        { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 428        { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 429        { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 430        { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 431        { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 432        { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 433        { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 434        { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 435        { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 436        { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 437        { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 438        { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 439        { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 440        { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 441        { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 442        { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 443        { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 444        { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 445        { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 446        { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 447        { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 448        { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 449        { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 450        { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 451        { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 452        { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 453        { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 454        { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 455        { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 456        { 0, 0 },
 457};
 458
 459struct sonypi_keypress {
 460        struct input_dev *dev;
 461        int key;
 462};
 463
 464static struct sonypi_device {
 465        struct pci_dev *dev;
 466        u16 irq;
 467        u16 bits;
 468        u16 ioport1;
 469        u16 ioport2;
 470        u16 region_size;
 471        u16 evtype_offset;
 472        int camera_power;
 473        int bluetooth_power;
 474        struct mutex lock;
 475        struct kfifo fifo;
 476        spinlock_t fifo_lock;
 477        wait_queue_head_t fifo_proc_list;
 478        struct fasync_struct *fifo_async;
 479        int open_count;
 480        int model;
 481        struct input_dev *input_jog_dev;
 482        struct input_dev *input_key_dev;
 483        struct work_struct input_work;
 484        struct kfifo input_fifo;
 485        spinlock_t input_fifo_lock;
 486} sonypi_device;
 487
 488#define ITERATIONS_LONG         10000
 489#define ITERATIONS_SHORT        10
 490
 491#define wait_on_command(quiet, command, iterations) { \
 492        unsigned int n = iterations; \
 493        while (--n && (command)) \
 494                udelay(1); \
 495        if (!n && (verbose || !quiet)) \
 496                printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
 497}
 498
 499#ifdef CONFIG_ACPI
 500#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 501#else
 502#define SONYPI_ACPI_ACTIVE 0
 503#endif                          /* CONFIG_ACPI */
 504
 505#ifdef CONFIG_ACPI
 506static struct acpi_device *sonypi_acpi_device;
 507static int acpi_driver_registered;
 508#endif
 509
 510static int sonypi_ec_write(u8 addr, u8 value)
 511{
 512#ifdef CONFIG_ACPI
 513        if (SONYPI_ACPI_ACTIVE)
 514                return ec_write(addr, value);
 515#endif
 516        wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 517        outb_p(0x81, SONYPI_CST_IOPORT);
 518        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 519        outb_p(addr, SONYPI_DATA_IOPORT);
 520        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 521        outb_p(value, SONYPI_DATA_IOPORT);
 522        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 523        return 0;
 524}
 525
 526static int sonypi_ec_read(u8 addr, u8 *value)
 527{
 528#ifdef CONFIG_ACPI
 529        if (SONYPI_ACPI_ACTIVE)
 530                return ec_read(addr, value);
 531#endif
 532        wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 533        outb_p(0x80, SONYPI_CST_IOPORT);
 534        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 535        outb_p(addr, SONYPI_DATA_IOPORT);
 536        wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 537        *value = inb_p(SONYPI_DATA_IOPORT);
 538        return 0;
 539}
 540
 541static int ec_read16(u8 addr, u16 *value)
 542{
 543        u8 val_lb, val_hb;
 544        if (sonypi_ec_read(addr, &val_lb))
 545                return -1;
 546        if (sonypi_ec_read(addr + 1, &val_hb))
 547                return -1;
 548        *value = val_lb | (val_hb << 8);
 549        return 0;
 550}
 551
 552/* Initializes the device - this comes from the AML code in the ACPI bios */
 553static void sonypi_type1_srs(void)
 554{
 555        u32 v;
 556
 557        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 558        v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 559        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 560
 561        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 562        v = (v & 0xFFF0FFFF) |
 563            (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 564        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 565
 566        v = inl(SONYPI_IRQ_PORT);
 567        v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 568        v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 569        outl(v, SONYPI_IRQ_PORT);
 570
 571        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 572        v = (v & 0xFF1FFFFF) | 0x00C00000;
 573        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 574}
 575
 576static void sonypi_type2_srs(void)
 577{
 578        if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 579                printk(KERN_WARNING "ec_write failed\n");
 580        if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 581                printk(KERN_WARNING "ec_write failed\n");
 582        if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 583                printk(KERN_WARNING "ec_write failed\n");
 584        udelay(10);
 585}
 586
 587static void sonypi_type3_srs(void)
 588{
 589        u16 v16;
 590        u8  v8;
 591
 592        /* This model type uses the same initialization of
 593         * the embedded controller as the type2 models. */
 594        sonypi_type2_srs();
 595
 596        /* Initialization of PCI config space of the LPC interface bridge. */
 597        v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 598        pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 599        pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 600        v8 = (v8 & 0xCF) | 0x10;
 601        pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 602}
 603
 604/* Disables the device - this comes from the AML code in the ACPI bios */
 605static void sonypi_type1_dis(void)
 606{
 607        u32 v;
 608
 609        pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 610        v = v & 0xFF3FFFFF;
 611        pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 612
 613        v = inl(SONYPI_IRQ_PORT);
 614        v |= (0x3 << SONYPI_IRQ_SHIFT);
 615        outl(v, SONYPI_IRQ_PORT);
 616}
 617
 618static void sonypi_type2_dis(void)
 619{
 620        if (sonypi_ec_write(SONYPI_SHIB, 0))
 621                printk(KERN_WARNING "ec_write failed\n");
 622        if (sonypi_ec_write(SONYPI_SLOB, 0))
 623                printk(KERN_WARNING "ec_write failed\n");
 624        if (sonypi_ec_write(SONYPI_SIRQ, 0))
 625                printk(KERN_WARNING "ec_write failed\n");
 626}
 627
 628static void sonypi_type3_dis(void)
 629{
 630        sonypi_type2_dis();
 631        udelay(10);
 632        pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 633}
 634
 635static u8 sonypi_call1(u8 dev)
 636{
 637        u8 v1, v2;
 638
 639        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 640        outb(dev, sonypi_device.ioport2);
 641        v1 = inb_p(sonypi_device.ioport2);
 642        v2 = inb_p(sonypi_device.ioport1);
 643        return v2;
 644}
 645
 646static u8 sonypi_call2(u8 dev, u8 fn)
 647{
 648        u8 v1;
 649
 650        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 651        outb(dev, sonypi_device.ioport2);
 652        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 653        outb(fn, sonypi_device.ioport1);
 654        v1 = inb_p(sonypi_device.ioport1);
 655        return v1;
 656}
 657
 658static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 659{
 660        u8 v1;
 661
 662        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 663        outb(dev, sonypi_device.ioport2);
 664        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 665        outb(fn, sonypi_device.ioport1);
 666        wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 667        outb(v, sonypi_device.ioport1);
 668        v1 = inb_p(sonypi_device.ioport1);
 669        return v1;
 670}
 671
 672#if 0
 673/* Get brightness, hue etc. Unreliable... */
 674static u8 sonypi_read(u8 fn)
 675{
 676        u8 v1, v2;
 677        int n = 100;
 678
 679        while (n--) {
 680                v1 = sonypi_call2(0x8f, fn);
 681                v2 = sonypi_call2(0x8f, fn);
 682                if (v1 == v2 && v1 != 0xff)
 683                        return v1;
 684        }
 685        return 0xff;
 686}
 687#endif
 688
 689/* Set brightness, hue etc */
 690static void sonypi_set(u8 fn, u8 v)
 691{
 692        wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 693}
 694
 695/* Tests if the camera is ready */
 696static int sonypi_camera_ready(void)
 697{
 698        u8 v;
 699
 700        v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 701        return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 702}
 703
 704/* Turns the camera off */
 705static void sonypi_camera_off(void)
 706{
 707        sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 708
 709        if (!sonypi_device.camera_power)
 710                return;
 711
 712        sonypi_call2(0x91, 0);
 713        sonypi_device.camera_power = 0;
 714}
 715
 716/* Turns the camera on */
 717static void sonypi_camera_on(void)
 718{
 719        int i, j;
 720
 721        if (sonypi_device.camera_power)
 722                return;
 723
 724        for (j = 5; j > 0; j--) {
 725
 726                while (sonypi_call2(0x91, 0x1))
 727                        msleep(10);
 728                sonypi_call1(0x93);
 729
 730                for (i = 400; i > 0; i--) {
 731                        if (sonypi_camera_ready())
 732                                break;
 733                        msleep(10);
 734                }
 735                if (i)
 736                        break;
 737        }
 738
 739        if (j == 0) {
 740                printk(KERN_WARNING "sonypi: failed to power on camera\n");
 741                return;
 742        }
 743
 744        sonypi_set(0x10, 0x5a);
 745        sonypi_device.camera_power = 1;
 746}
 747
 748/* sets the bluetooth subsystem power state */
 749static void sonypi_setbluetoothpower(u8 state)
 750{
 751        state = !!state;
 752
 753        if (sonypi_device.bluetooth_power == state)
 754                return;
 755
 756        sonypi_call2(0x96, state);
 757        sonypi_call1(0x82);
 758        sonypi_device.bluetooth_power = state;
 759}
 760
 761static void input_keyrelease(struct work_struct *work)
 762{
 763        struct sonypi_keypress kp;
 764
 765        while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
 766                         sizeof(kp), &sonypi_device.input_fifo_lock)
 767                        == sizeof(kp)) {
 768                msleep(10);
 769                input_report_key(kp.dev, kp.key, 0);
 770                input_sync(kp.dev);
 771        }
 772}
 773
 774static void sonypi_report_input_event(u8 event)
 775{
 776        struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 777        struct input_dev *key_dev = sonypi_device.input_key_dev;
 778        struct sonypi_keypress kp = { NULL };
 779        int i;
 780
 781        switch (event) {
 782        case SONYPI_EVENT_JOGDIAL_UP:
 783        case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 784                input_report_rel(jog_dev, REL_WHEEL, 1);
 785                input_sync(jog_dev);
 786                break;
 787
 788        case SONYPI_EVENT_JOGDIAL_DOWN:
 789        case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 790                input_report_rel(jog_dev, REL_WHEEL, -1);
 791                input_sync(jog_dev);
 792                break;
 793
 794        case SONYPI_EVENT_JOGDIAL_PRESSED:
 795                kp.key = BTN_MIDDLE;
 796                kp.dev = jog_dev;
 797                break;
 798
 799        case SONYPI_EVENT_FNKEY_RELEASED:
 800                /* Nothing, not all VAIOs generate this event */
 801                break;
 802
 803        default:
 804                for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 805                        if (event == sonypi_inputkeys[i].sonypiev) {
 806                                kp.dev = key_dev;
 807                                kp.key = sonypi_inputkeys[i].inputev;
 808                                break;
 809                        }
 810                break;
 811        }
 812
 813        if (kp.dev) {
 814                input_report_key(kp.dev, kp.key, 1);
 815                input_sync(kp.dev);
 816                kfifo_in_locked(&sonypi_device.input_fifo,
 817                        (unsigned char *)&kp, sizeof(kp),
 818                        &sonypi_device.input_fifo_lock);
 819                schedule_work(&sonypi_device.input_work);
 820        }
 821}
 822
 823/* Interrupt handler: some event is available */
 824static irqreturn_t sonypi_irq(int irq, void *dev_id)
 825{
 826        u8 v1, v2, event = 0;
 827        int i, j;
 828
 829        v1 = inb_p(sonypi_device.ioport1);
 830        v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 831
 832        for (i = 0; sonypi_eventtypes[i].model; i++) {
 833                if (sonypi_device.model != sonypi_eventtypes[i].model)
 834                        continue;
 835                if ((v2 & sonypi_eventtypes[i].data) !=
 836                    sonypi_eventtypes[i].data)
 837                        continue;
 838                if (!(mask & sonypi_eventtypes[i].mask))
 839                        continue;
 840                for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 841                        if (v1 == sonypi_eventtypes[i].events[j].data) {
 842                                event = sonypi_eventtypes[i].events[j].event;
 843                                goto found;
 844                        }
 845                }
 846        }
 847
 848        if (verbose)
 849                printk(KERN_WARNING
 850                       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 851                       v1, v2);
 852        /* We need to return IRQ_HANDLED here because there *are*
 853         * events belonging to the sonypi device we don't know about,
 854         * but we still don't want those to pollute the logs... */
 855        return IRQ_HANDLED;
 856
 857found:
 858        if (verbose > 1)
 859                printk(KERN_INFO
 860                       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 861
 862        if (useinput)
 863                sonypi_report_input_event(event);
 864
 865        kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
 866                        sizeof(event), &sonypi_device.fifo_lock);
 867        kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 868        wake_up_interruptible(&sonypi_device.fifo_proc_list);
 869
 870        return IRQ_HANDLED;
 871}
 872
 873static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 874{
 875        return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 876}
 877
 878static int sonypi_misc_release(struct inode *inode, struct file *file)
 879{
 880        mutex_lock(&sonypi_device.lock);
 881        sonypi_device.open_count--;
 882        mutex_unlock(&sonypi_device.lock);
 883        return 0;
 884}
 885
 886static int sonypi_misc_open(struct inode *inode, struct file *file)
 887{
 888        mutex_lock(&sonypi_device.lock);
 889        /* Flush input queue on first open */
 890        if (!sonypi_device.open_count)
 891                kfifo_reset(&sonypi_device.fifo);
 892        sonypi_device.open_count++;
 893        mutex_unlock(&sonypi_device.lock);
 894
 895        return 0;
 896}
 897
 898static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 899                                size_t count, loff_t *pos)
 900{
 901        ssize_t ret;
 902        unsigned char c;
 903
 904        if ((kfifo_len(&sonypi_device.fifo) == 0) &&
 905            (file->f_flags & O_NONBLOCK))
 906                return -EAGAIN;
 907
 908        ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 909                                       kfifo_len(&sonypi_device.fifo) != 0);
 910        if (ret)
 911                return ret;
 912
 913        while (ret < count &&
 914               (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
 915                                 &sonypi_device.fifo_lock) == sizeof(c))) {
 916                if (put_user(c, buf++))
 917                        return -EFAULT;
 918                ret++;
 919        }
 920
 921        if (ret > 0) {
 922                struct inode *inode = file_inode(file);
 923                inode->i_atime = current_time(inode);
 924        }
 925
 926        return ret;
 927}
 928
 929static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
 930{
 931        poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 932        if (kfifo_len(&sonypi_device.fifo))
 933                return EPOLLIN | EPOLLRDNORM;
 934        return 0;
 935}
 936
 937static long sonypi_misc_ioctl(struct file *fp,
 938                             unsigned int cmd, unsigned long arg)
 939{
 940        long ret = 0;
 941        void __user *argp = (void __user *)arg;
 942        u8 val8;
 943        u16 val16;
 944
 945        mutex_lock(&sonypi_device.lock);
 946        switch (cmd) {
 947        case SONYPI_IOCGBRT:
 948                if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 949                        ret = -EIO;
 950                        break;
 951                }
 952                if (copy_to_user(argp, &val8, sizeof(val8)))
 953                        ret = -EFAULT;
 954                break;
 955        case SONYPI_IOCSBRT:
 956                if (copy_from_user(&val8, argp, sizeof(val8))) {
 957                        ret = -EFAULT;
 958                        break;
 959                }
 960                if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 961                        ret = -EIO;
 962                break;
 963        case SONYPI_IOCGBAT1CAP:
 964                if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 965                        ret = -EIO;
 966                        break;
 967                }
 968                if (copy_to_user(argp, &val16, sizeof(val16)))
 969                        ret = -EFAULT;
 970                break;
 971        case SONYPI_IOCGBAT1REM:
 972                if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 973                        ret = -EIO;
 974                        break;
 975                }
 976                if (copy_to_user(argp, &val16, sizeof(val16)))
 977                        ret = -EFAULT;
 978                break;
 979        case SONYPI_IOCGBAT2CAP:
 980                if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
 981                        ret = -EIO;
 982                        break;
 983                }
 984                if (copy_to_user(argp, &val16, sizeof(val16)))
 985                        ret = -EFAULT;
 986                break;
 987        case SONYPI_IOCGBAT2REM:
 988                if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
 989                        ret = -EIO;
 990                        break;
 991                }
 992                if (copy_to_user(argp, &val16, sizeof(val16)))
 993                        ret = -EFAULT;
 994                break;
 995        case SONYPI_IOCGBATFLAGS:
 996                if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
 997                        ret = -EIO;
 998                        break;
 999                }
1000                val8 &= 0x07;
1001                if (copy_to_user(argp, &val8, sizeof(val8)))
1002                        ret = -EFAULT;
1003                break;
1004        case SONYPI_IOCGBLUE:
1005                val8 = sonypi_device.bluetooth_power;
1006                if (copy_to_user(argp, &val8, sizeof(val8)))
1007                        ret = -EFAULT;
1008                break;
1009        case SONYPI_IOCSBLUE:
1010                if (copy_from_user(&val8, argp, sizeof(val8))) {
1011                        ret = -EFAULT;
1012                        break;
1013                }
1014                sonypi_setbluetoothpower(val8);
1015                break;
1016        /* FAN Controls */
1017        case SONYPI_IOCGFAN:
1018                if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1019                        ret = -EIO;
1020                        break;
1021                }
1022                if (copy_to_user(argp, &val8, sizeof(val8)))
1023                        ret = -EFAULT;
1024                break;
1025        case SONYPI_IOCSFAN:
1026                if (copy_from_user(&val8, argp, sizeof(val8))) {
1027                        ret = -EFAULT;
1028                        break;
1029                }
1030                if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1031                        ret = -EIO;
1032                break;
1033        /* GET Temperature (useful under APM) */
1034        case SONYPI_IOCGTEMP:
1035                if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1036                        ret = -EIO;
1037                        break;
1038                }
1039                if (copy_to_user(argp, &val8, sizeof(val8)))
1040                        ret = -EFAULT;
1041                break;
1042        default:
1043                ret = -EINVAL;
1044        }
1045        mutex_unlock(&sonypi_device.lock);
1046        return ret;
1047}
1048
1049static const struct file_operations sonypi_misc_fops = {
1050        .owner          = THIS_MODULE,
1051        .read           = sonypi_misc_read,
1052        .poll           = sonypi_misc_poll,
1053        .open           = sonypi_misc_open,
1054        .release        = sonypi_misc_release,
1055        .fasync         = sonypi_misc_fasync,
1056        .unlocked_ioctl = sonypi_misc_ioctl,
1057        .llseek         = no_llseek,
1058};
1059
1060static struct miscdevice sonypi_misc_device = {
1061        .minor          = MISC_DYNAMIC_MINOR,
1062        .name           = "sonypi",
1063        .fops           = &sonypi_misc_fops,
1064};
1065
1066static void sonypi_enable(unsigned int camera_on)
1067{
1068        switch (sonypi_device.model) {
1069        case SONYPI_DEVICE_MODEL_TYPE1:
1070                sonypi_type1_srs();
1071                break;
1072        case SONYPI_DEVICE_MODEL_TYPE2:
1073                sonypi_type2_srs();
1074                break;
1075        case SONYPI_DEVICE_MODEL_TYPE3:
1076                sonypi_type3_srs();
1077                break;
1078        }
1079
1080        sonypi_call1(0x82);
1081        sonypi_call2(0x81, 0xff);
1082        sonypi_call1(compat ? 0x92 : 0x82);
1083
1084        /* Enable ACPI mode to get Fn key events */
1085        if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1086                outb(0xf0, 0xb2);
1087
1088        if (camera && camera_on)
1089                sonypi_camera_on();
1090}
1091
1092static int sonypi_disable(void)
1093{
1094        sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1095        if (camera)
1096                sonypi_camera_off();
1097
1098        /* disable ACPI mode */
1099        if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100                outb(0xf1, 0xb2);
1101
1102        switch (sonypi_device.model) {
1103        case SONYPI_DEVICE_MODEL_TYPE1:
1104                sonypi_type1_dis();
1105                break;
1106        case SONYPI_DEVICE_MODEL_TYPE2:
1107                sonypi_type2_dis();
1108                break;
1109        case SONYPI_DEVICE_MODEL_TYPE3:
1110                sonypi_type3_dis();
1111                break;
1112        }
1113
1114        return 0;
1115}
1116
1117#ifdef CONFIG_ACPI
1118static int sonypi_acpi_add(struct acpi_device *device)
1119{
1120        sonypi_acpi_device = device;
1121        strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1122        strcpy(acpi_device_class(device), "sony/hotkey");
1123        return 0;
1124}
1125
1126static int sonypi_acpi_remove(struct acpi_device *device)
1127{
1128        sonypi_acpi_device = NULL;
1129        return 0;
1130}
1131
1132static const struct acpi_device_id sonypi_device_ids[] = {
1133        {"SNY6001", 0},
1134        {"", 0},
1135};
1136
1137static struct acpi_driver sonypi_acpi_driver = {
1138        .name           = "sonypi",
1139        .class          = "hkey",
1140        .ids            = sonypi_device_ids,
1141        .ops            = {
1142                           .add = sonypi_acpi_add,
1143                           .remove = sonypi_acpi_remove,
1144        },
1145};
1146#endif
1147
1148static int sonypi_create_input_devices(struct platform_device *pdev)
1149{
1150        struct input_dev *jog_dev;
1151        struct input_dev *key_dev;
1152        int i;
1153        int error;
1154
1155        sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1156        if (!jog_dev)
1157                return -ENOMEM;
1158
1159        jog_dev->name = "Sony Vaio Jogdial";
1160        jog_dev->id.bustype = BUS_ISA;
1161        jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1162        jog_dev->dev.parent = &pdev->dev;
1163
1164        jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1165        jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1166        jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1167
1168        sonypi_device.input_key_dev = key_dev = input_allocate_device();
1169        if (!key_dev) {
1170                error = -ENOMEM;
1171                goto err_free_jogdev;
1172        }
1173
1174        key_dev->name = "Sony Vaio Keys";
1175        key_dev->id.bustype = BUS_ISA;
1176        key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1177        key_dev->dev.parent = &pdev->dev;
1178
1179        /* Initialize the Input Drivers: special keys */
1180        key_dev->evbit[0] = BIT_MASK(EV_KEY);
1181        for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1182                if (sonypi_inputkeys[i].inputev)
1183                        set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1184
1185        error = input_register_device(jog_dev);
1186        if (error)
1187                goto err_free_keydev;
1188
1189        error = input_register_device(key_dev);
1190        if (error)
1191                goto err_unregister_jogdev;
1192
1193        return 0;
1194
1195 err_unregister_jogdev:
1196        input_unregister_device(jog_dev);
1197        /* Set to NULL so we don't free it again below */
1198        jog_dev = NULL;
1199 err_free_keydev:
1200        input_free_device(key_dev);
1201        sonypi_device.input_key_dev = NULL;
1202 err_free_jogdev:
1203        input_free_device(jog_dev);
1204        sonypi_device.input_jog_dev = NULL;
1205
1206        return error;
1207}
1208
1209static int sonypi_setup_ioports(struct sonypi_device *dev,
1210                                const struct sonypi_ioport_list *ioport_list)
1211{
1212        /* try to detect if sony-laptop is being used and thus
1213         * has already requested one of the known ioports.
1214         * As in the deprecated check_region this is racy has we have
1215         * multiple ioports available and one of them can be requested
1216         * between this check and the subsequent request. Anyway, as an
1217         * attempt to be some more user-friendly as we currently are,
1218         * this is enough.
1219         */
1220        const struct sonypi_ioport_list *check = ioport_list;
1221        while (check_ioport && check->port1) {
1222                if (!request_region(check->port1,
1223                                   sonypi_device.region_size,
1224                                   "Sony Programmable I/O Device Check")) {
1225                        printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1226                                        "if not use check_ioport=0\n",
1227                                        check->port1);
1228                        return -EBUSY;
1229                }
1230                release_region(check->port1, sonypi_device.region_size);
1231                check++;
1232        }
1233
1234        while (ioport_list->port1) {
1235
1236                if (request_region(ioport_list->port1,
1237                                   sonypi_device.region_size,
1238                                   "Sony Programmable I/O Device")) {
1239                        dev->ioport1 = ioport_list->port1;
1240                        dev->ioport2 = ioport_list->port2;
1241                        return 0;
1242                }
1243                ioport_list++;
1244        }
1245
1246        return -EBUSY;
1247}
1248
1249static int sonypi_setup_irq(struct sonypi_device *dev,
1250                                      const struct sonypi_irq_list *irq_list)
1251{
1252        while (irq_list->irq) {
1253
1254                if (!request_irq(irq_list->irq, sonypi_irq,
1255                                 IRQF_SHARED, "sonypi", sonypi_irq)) {
1256                        dev->irq = irq_list->irq;
1257                        dev->bits = irq_list->bits;
1258                        return 0;
1259                }
1260                irq_list++;
1261        }
1262
1263        return -EBUSY;
1264}
1265
1266static void sonypi_display_info(void)
1267{
1268        printk(KERN_INFO "sonypi: detected type%d model, "
1269               "verbose = %d, fnkeyinit = %s, camera = %s, "
1270               "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1271               sonypi_device.model,
1272               verbose,
1273               fnkeyinit ? "on" : "off",
1274               camera ? "on" : "off",
1275               compat ? "on" : "off",
1276               mask,
1277               useinput ? "on" : "off",
1278               SONYPI_ACPI_ACTIVE ? "on" : "off");
1279        printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1280               sonypi_device.irq,
1281               sonypi_device.ioport1, sonypi_device.ioport2);
1282
1283        if (minor == -1)
1284                printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1285                       sonypi_misc_device.minor);
1286}
1287
1288static int sonypi_probe(struct platform_device *dev)
1289{
1290        const struct sonypi_ioport_list *ioport_list;
1291        const struct sonypi_irq_list *irq_list;
1292        struct pci_dev *pcidev;
1293        int error;
1294
1295        printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1296                        "and report failures, see also "
1297                        "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1298
1299        spin_lock_init(&sonypi_device.fifo_lock);
1300        error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1301        if (error) {
1302                printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1303                return error;
1304        }
1305
1306        init_waitqueue_head(&sonypi_device.fifo_proc_list);
1307        mutex_init(&sonypi_device.lock);
1308        sonypi_device.bluetooth_power = -1;
1309
1310        if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1311                                     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1312                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1313        else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1314                                          PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1315                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1316        else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1317                                          PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1318                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1319        else
1320                sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1321
1322        if (pcidev && pci_enable_device(pcidev)) {
1323                printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1324                error = -EIO;
1325                goto err_put_pcidev;
1326        }
1327
1328        sonypi_device.dev = pcidev;
1329
1330        if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1331                ioport_list = sonypi_type1_ioport_list;
1332                sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1333                sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1334                irq_list = sonypi_type1_irq_list;
1335        } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1336                ioport_list = sonypi_type2_ioport_list;
1337                sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1338                sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1339                irq_list = sonypi_type2_irq_list;
1340        } else {
1341                ioport_list = sonypi_type3_ioport_list;
1342                sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1343                sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1344                irq_list = sonypi_type3_irq_list;
1345        }
1346
1347        error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1348        if (error) {
1349                printk(KERN_ERR "sonypi: failed to request ioports\n");
1350                goto err_disable_pcidev;
1351        }
1352
1353        error = sonypi_setup_irq(&sonypi_device, irq_list);
1354        if (error) {
1355                printk(KERN_ERR "sonypi: request_irq failed\n");
1356                goto err_free_ioports;
1357        }
1358
1359        if (minor != -1)
1360                sonypi_misc_device.minor = minor;
1361        error = misc_register(&sonypi_misc_device);
1362        if (error) {
1363                printk(KERN_ERR "sonypi: misc_register failed\n");
1364                goto err_free_irq;
1365        }
1366
1367        sonypi_display_info();
1368
1369        if (useinput) {
1370
1371                error = sonypi_create_input_devices(dev);
1372                if (error) {
1373                        printk(KERN_ERR
1374                                "sonypi: failed to create input devices\n");
1375                        goto err_miscdev_unregister;
1376                }
1377
1378                spin_lock_init(&sonypi_device.input_fifo_lock);
1379                error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1380                                GFP_KERNEL);
1381                if (error) {
1382                        printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1383                        goto err_inpdev_unregister;
1384                }
1385
1386                INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1387        }
1388
1389        sonypi_enable(0);
1390
1391        return 0;
1392
1393 err_inpdev_unregister:
1394        input_unregister_device(sonypi_device.input_key_dev);
1395        input_unregister_device(sonypi_device.input_jog_dev);
1396 err_miscdev_unregister:
1397        misc_deregister(&sonypi_misc_device);
1398 err_free_irq:
1399        free_irq(sonypi_device.irq, sonypi_irq);
1400 err_free_ioports:
1401        release_region(sonypi_device.ioport1, sonypi_device.region_size);
1402 err_disable_pcidev:
1403        if (pcidev)
1404                pci_disable_device(pcidev);
1405 err_put_pcidev:
1406        pci_dev_put(pcidev);
1407        kfifo_free(&sonypi_device.fifo);
1408
1409        return error;
1410}
1411
1412static int sonypi_remove(struct platform_device *dev)
1413{
1414        sonypi_disable();
1415
1416        synchronize_irq(sonypi_device.irq);
1417        flush_work(&sonypi_device.input_work);
1418
1419        if (useinput) {
1420                input_unregister_device(sonypi_device.input_key_dev);
1421                input_unregister_device(sonypi_device.input_jog_dev);
1422                kfifo_free(&sonypi_device.input_fifo);
1423        }
1424
1425        misc_deregister(&sonypi_misc_device);
1426
1427        free_irq(sonypi_device.irq, sonypi_irq);
1428        release_region(sonypi_device.ioport1, sonypi_device.region_size);
1429
1430        if (sonypi_device.dev) {
1431                pci_disable_device(sonypi_device.dev);
1432                pci_dev_put(sonypi_device.dev);
1433        }
1434
1435        kfifo_free(&sonypi_device.fifo);
1436
1437        return 0;
1438}
1439
1440#ifdef CONFIG_PM_SLEEP
1441static int old_camera_power;
1442
1443static int sonypi_suspend(struct device *dev)
1444{
1445        old_camera_power = sonypi_device.camera_power;
1446        sonypi_disable();
1447
1448        return 0;
1449}
1450
1451static int sonypi_resume(struct device *dev)
1452{
1453        sonypi_enable(old_camera_power);
1454        return 0;
1455}
1456
1457static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1458#define SONYPI_PM       (&sonypi_pm)
1459#else
1460#define SONYPI_PM       NULL
1461#endif
1462
1463static void sonypi_shutdown(struct platform_device *dev)
1464{
1465        sonypi_disable();
1466}
1467
1468static struct platform_driver sonypi_driver = {
1469        .driver         = {
1470                .name   = "sonypi",
1471                .pm     = SONYPI_PM,
1472        },
1473        .probe          = sonypi_probe,
1474        .remove         = sonypi_remove,
1475        .shutdown       = sonypi_shutdown,
1476};
1477
1478static struct platform_device *sonypi_platform_device;
1479
1480static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1481        {
1482                .ident = "Sony Vaio",
1483                .matches = {
1484                        DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1485                        DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1486                },
1487        },
1488        {
1489                .ident = "Sony Vaio",
1490                .matches = {
1491                        DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1492                        DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1493                },
1494        },
1495        { }
1496};
1497
1498static int __init sonypi_init(void)
1499{
1500        int error;
1501
1502        printk(KERN_INFO
1503                "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1504                SONYPI_DRIVER_VERSION);
1505
1506        if (!dmi_check_system(sonypi_dmi_table))
1507                return -ENODEV;
1508
1509        error = platform_driver_register(&sonypi_driver);
1510        if (error)
1511                return error;
1512
1513        sonypi_platform_device = platform_device_alloc("sonypi", -1);
1514        if (!sonypi_platform_device) {
1515                error = -ENOMEM;
1516                goto err_driver_unregister;
1517        }
1518
1519        error = platform_device_add(sonypi_platform_device);
1520        if (error)
1521                goto err_free_device;
1522
1523#ifdef CONFIG_ACPI
1524        if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1525                acpi_driver_registered = 1;
1526#endif
1527
1528        return 0;
1529
1530 err_free_device:
1531        platform_device_put(sonypi_platform_device);
1532 err_driver_unregister:
1533        platform_driver_unregister(&sonypi_driver);
1534        return error;
1535}
1536
1537static void __exit sonypi_exit(void)
1538{
1539#ifdef CONFIG_ACPI
1540        if (acpi_driver_registered)
1541                acpi_bus_unregister_driver(&sonypi_acpi_driver);
1542#endif
1543        platform_device_unregister(sonypi_platform_device);
1544        platform_driver_unregister(&sonypi_driver);
1545        printk(KERN_INFO "sonypi: removed.\n");
1546}
1547
1548module_init(sonypi_init);
1549module_exit(sonypi_exit);
1550