drivers/char/sonypi.c

   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 Alcôve <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
  48 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  49 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  50 MODULE_LICENSE("GPL");
  51 MODULE_VERSION(SONYPI_DRIVER_VERSION);
  52
  53 static int minor = -1;
  54 module_param(minor, int, 0);
  55 MODULE_PARM_DESC(minor,
  56                  "minor number of the misc device, default is -1 (automatic)");
  57
  58 static int verbose;             /* = 0 */
  59 module_param(verbose, int, 0644);
  60 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  61
  62 static int fnkeyinit;           /* = 0 */
  63 module_param(fnkeyinit, int, 0444);
  64 MODULE_PARM_DESC(fnkeyinit,
  65                  "set this if your Fn keys do not generate any event");
  66
  67 static int camera;              /* = 0 */
  68 module_param(camera, int, 0444);
  69 MODULE_PARM_DESC(camera,
  70                  "set this if you have a MotionEye camera (PictureBook series)");
  71
  72 static int compat;              /* = 0 */
  73 module_param(compat, int, 0444);
  74 MODULE_PARM_DESC(compat,
  75                  "set this if you want to enable backward compatibility mode");
  76
  77 static unsigned long mask = 0xffffffff;
  78 module_param(mask, ulong, 0644);
  79 MODULE_PARM_DESC(mask,
  80                  "set this to the mask of event you want to enable (see doc)");
  81
  82 static int useinput = 1;
  83 module_param(useinput, int, 0444);
  84 MODULE_PARM_DESC(useinput,
  85                  "set this if you would like sonypi to feed events to the input subsystem");
  86
  87 static int check_ioport = 1;
  88 module_param(check_ioport, int, 0444);
  89 MODULE_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 */
 141 struct sonypi_ioport_list {
 142         u16     port1;
 143         u16     port2;
 144 };
 145
 146 static 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
 155 static 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 */
 164 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 165         sonypi_type2_ioport_list;
 166
 167 /* The set of possible interrupts */
 168 struct sonypi_irq_list {
 169         u16     irq;
 170         u16     bits;
 171 };
 172
 173 static 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
 180 static 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 */
 189 static 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
 236 struct sonypi_event {
 237         u8      data;
 238         u8      event;
 239 };
 240
 241 /* The set of possible button release events */
 242 static struct sonypi_event sonypi_releaseev[] = {
 243         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 244         { 0, 0 }
 245 };
 246
 247 /* The set of possible jogger events  */
 248 static 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 */
 266 static 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 */
 274 static 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 */
 301 static 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 */
 310 static 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 */
 318 static 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 */
 325 static struct sonypi_event sonypi_backev[] = {
 326         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 327         { 0, 0 }
 328 };
 329
 330 /* The set of possible help button events */
 331 static struct sonypi_event sonypi_helpev[] = {
 332         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 333         { 0, 0 }
 334 };
 335
 336
 337 /* The set of possible lid events */
 338 static 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 */
 345 static struct sonypi_event sonypi_zoomev[] = {
 346         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 347         { 0, 0 }
 348 };
 349
 350 /* The set of possible thumbphrase events */
 351 static struct sonypi_event sonypi_thumbphraseev[] = {
 352         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 353         { 0, 0 }
 354 };
 355
 356 /* The set of possible motioneye camera events */
 357 static 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 */
 364 static 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 */
 371 static struct sonypi_event sonypi_batteryev[] = {
 372         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 373         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 374         { 0, 0 }
 375 };
 376
 377 static 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 */
 421 static 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
 459 struct sonypi_keypress {
 460         struct input_dev *dev;
 461         int key;
 462 };
 463
 464 static 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
 506 static struct acpi_device *sonypi_acpi_device;
 507 static int acpi_driver_registered;
 508 #endif
 509
 510 static 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
 526 static 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
 541 static 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 */
 553 static 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
 576 static 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
 587 static 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 */
 605 static 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
 618 static 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
 628 static 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
 635 static 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
 646 static 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
 658 static 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... */
 674 static 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 */
 690 static 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 */
 696 static 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 */
 705 static 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 */
 717 static 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 */
 749 static 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
 761 static 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
 774 static 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 */
 824 static 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
 857 found:
 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
 873 static 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
 878 static 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
 886 static 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
 898 static 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
 929 static __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
 937 static 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
1049 static 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
1060 static struct miscdevice sonypi_misc_device = {
1061         .minor          = MISC_DYNAMIC_MINOR,
1062         .name           = "sonypi",
1063         .fops           = &sonypi_misc_fops,
1064 };
1065
1066 static 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
1092 static 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
1118 static 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
1126 static void sonypi_acpi_remove(struct acpi_device *device)
1127 {
1128         sonypi_acpi_device = NULL;
1129 }
1130
1131 static const struct acpi_device_id sonypi_device_ids[] = {
1132         {"SNY6001", 0},
1133         {"", 0},
1134 };
1135
1136 static struct acpi_driver sonypi_acpi_driver = {
1137         .name           = "sonypi",
1138         .class          = "hkey",
1139         .ids            = sonypi_device_ids,
1140         .ops            = {
1141                            .add = sonypi_acpi_add,
1142                            .remove = sonypi_acpi_remove,
1143         },
1144 };
1145 #endif
1146
1147 static int sonypi_create_input_devices(struct platform_device *pdev)
1148 {
1149         struct input_dev *jog_dev;
1150         struct input_dev *key_dev;
1151         int i;
1152         int error;
1153
1154         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1155         if (!jog_dev)
1156                 return -ENOMEM;
1157
1158         jog_dev->name = "Sony Vaio Jogdial";
1159         jog_dev->id.bustype = BUS_ISA;
1160         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1161         jog_dev->dev.parent = &pdev->dev;
1162
1163         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1164         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1165         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1166
1167         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1168         if (!key_dev) {
1169                 error = -ENOMEM;
1170                 goto err_free_jogdev;
1171         }
1172
1173         key_dev->name = "Sony Vaio Keys";
1174         key_dev->id.bustype = BUS_ISA;
1175         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176         key_dev->dev.parent = &pdev->dev;
1177
1178         /* Initialize the Input Drivers: special keys */
1179         key_dev->evbit[0] = BIT_MASK(EV_KEY);
1180         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1181                 if (sonypi_inputkeys[i].inputev)
1182                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1183
1184         error = input_register_device(jog_dev);
1185         if (error)
1186                 goto err_free_keydev;
1187
1188         error = input_register_device(key_dev);
1189         if (error)
1190                 goto err_unregister_jogdev;
1191
1192         return 0;
1193
1194  err_unregister_jogdev:
1195         input_unregister_device(jog_dev);
1196         /* Set to NULL so we don't free it again below */
1197         jog_dev = NULL;
1198  err_free_keydev:
1199         input_free_device(key_dev);
1200         sonypi_device.input_key_dev = NULL;
1201  err_free_jogdev:
1202         input_free_device(jog_dev);
1203         sonypi_device.input_jog_dev = NULL;
1204
1205         return error;
1206 }
1207
1208 static int sonypi_setup_ioports(struct sonypi_device *dev,
1209                                 const struct sonypi_ioport_list *ioport_list)
1210 {
1211         /* try to detect if sony-laptop is being used and thus
1212          * has already requested one of the known ioports.
1213          * As in the deprecated check_region this is racy has we have
1214          * multiple ioports available and one of them can be requested
1215          * between this check and the subsequent request. Anyway, as an
1216          * attempt to be some more user-friendly as we currently are,
1217          * this is enough.
1218          */
1219         const struct sonypi_ioport_list *check = ioport_list;
1220         while (check_ioport && check->port1) {
1221                 if (!request_region(check->port1,
1222                                    sonypi_device.region_size,
1223                                    "Sony Programmable I/O Device Check")) {
1224                         printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1225                                         "if not use check_ioport=0\n",
1226                                         check->port1);
1227                         return -EBUSY;
1228                 }
1229                 release_region(check->port1, sonypi_device.region_size);
1230                 check++;
1231         }
1232
1233         while (ioport_list->port1) {
1234
1235                 if (request_region(ioport_list->port1,
1236                                    sonypi_device.region_size,
1237                                    "Sony Programmable I/O Device")) {
1238                         dev->ioport1 = ioport_list->port1;
1239                         dev->ioport2 = ioport_list->port2;
1240                         return 0;
1241                 }
1242                 ioport_list++;
1243         }
1244
1245         return -EBUSY;
1246 }
1247
1248 static int sonypi_setup_irq(struct sonypi_device *dev,
1249                                       const struct sonypi_irq_list *irq_list)
1250 {
1251         while (irq_list->irq) {
1252
1253                 if (!request_irq(irq_list->irq, sonypi_irq,
1254                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1255                         dev->irq = irq_list->irq;
1256                         dev->bits = irq_list->bits;
1257                         return 0;
1258                 }
1259                 irq_list++;
1260         }
1261
1262         return -EBUSY;
1263 }
1264
1265 static void sonypi_display_info(void)
1266 {
1267         printk(KERN_INFO "sonypi: detected type%d model, "
1268                "verbose = %d, fnkeyinit = %s, camera = %s, "
1269                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1270                sonypi_device.model,
1271                verbose,
1272                fnkeyinit ? "on" : "off",
1273                camera ? "on" : "off",
1274                compat ? "on" : "off",
1275                mask,
1276                useinput ? "on" : "off",
1277                SONYPI_ACPI_ACTIVE ? "on" : "off");
1278         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1279                sonypi_device.irq,
1280                sonypi_device.ioport1, sonypi_device.ioport2);
1281
1282         if (minor == -1)
1283                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1284                        sonypi_misc_device.minor);
1285 }
1286
1287 static int sonypi_probe(struct platform_device *dev)
1288 {
1289         const struct sonypi_ioport_list *ioport_list;
1290         const struct sonypi_irq_list *irq_list;
1291         struct pci_dev *pcidev;
1292         int error;
1293
1294         printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1295                         "and report failures, see also "
1296                         "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1297
1298         spin_lock_init(&sonypi_device.fifo_lock);
1299         error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1300         if (error) {
1301                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1302                 return error;
1303         }
1304
1305         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1306         mutex_init(&sonypi_device.lock);
1307         sonypi_device.bluetooth_power = -1;
1308
1309         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1310                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1311                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1312         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1313                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1314                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1315         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1316                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1317                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1318         else
1319                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1320
1321         if (pcidev && pci_enable_device(pcidev)) {
1322                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1323                 error = -EIO;
1324                 goto err_put_pcidev;
1325         }
1326
1327         sonypi_device.dev = pcidev;
1328
1329         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1330                 ioport_list = sonypi_type1_ioport_list;
1331                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1332                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1333                 irq_list = sonypi_type1_irq_list;
1334         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1335                 ioport_list = sonypi_type2_ioport_list;
1336                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1337                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1338                 irq_list = sonypi_type2_irq_list;
1339         } else {
1340                 ioport_list = sonypi_type3_ioport_list;
1341                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1342                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1343                 irq_list = sonypi_type3_irq_list;
1344         }
1345
1346         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1347         if (error) {
1348                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1349                 goto err_disable_pcidev;
1350         }
1351
1352         error = sonypi_setup_irq(&sonypi_device, irq_list);
1353         if (error) {
1354                 printk(KERN_ERR "sonypi: request_irq failed\n");
1355                 goto err_free_ioports;
1356         }
1357
1358         if (minor != -1)
1359                 sonypi_misc_device.minor = minor;
1360         error = misc_register(&sonypi_misc_device);
1361         if (error) {
1362                 printk(KERN_ERR "sonypi: misc_register failed\n");
1363                 goto err_free_irq;
1364         }
1365
1366         sonypi_display_info();
1367
1368         if (useinput) {
1369
1370                 error = sonypi_create_input_devices(dev);
1371                 if (error) {
1372                         printk(KERN_ERR
1373                                 "sonypi: failed to create input devices\n");
1374                         goto err_miscdev_unregister;
1375                 }
1376
1377                 spin_lock_init(&sonypi_device.input_fifo_lock);
1378                 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1379                                 GFP_KERNEL);
1380                 if (error) {
1381                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1382                         goto err_inpdev_unregister;
1383                 }
1384
1385                 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1386         }
1387
1388         sonypi_enable(0);
1389
1390         return 0;
1391
1392  err_inpdev_unregister:
1393         input_unregister_device(sonypi_device.input_key_dev);
1394         input_unregister_device(sonypi_device.input_jog_dev);
1395  err_miscdev_unregister:
1396         misc_deregister(&sonypi_misc_device);
1397  err_free_irq:
1398         free_irq(sonypi_device.irq, sonypi_irq);
1399  err_free_ioports:
1400         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1401  err_disable_pcidev:
1402         if (pcidev)
1403                 pci_disable_device(pcidev);
1404  err_put_pcidev:
1405         pci_dev_put(pcidev);
1406         kfifo_free(&sonypi_device.fifo);
1407
1408         return error;
1409 }
1410
1411 static int sonypi_remove(struct platform_device *dev)
1412 {
1413         sonypi_disable();
1414
1415         synchronize_irq(sonypi_device.irq);
1416         flush_work(&sonypi_device.input_work);
1417
1418         if (useinput) {
1419                 input_unregister_device(sonypi_device.input_key_dev);
1420                 input_unregister_device(sonypi_device.input_jog_dev);
1421                 kfifo_free(&sonypi_device.input_fifo);
1422         }
1423
1424         misc_deregister(&sonypi_misc_device);
1425
1426         free_irq(sonypi_device.irq, sonypi_irq);
1427         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1428
1429         if (sonypi_device.dev) {
1430                 pci_disable_device(sonypi_device.dev);
1431                 pci_dev_put(sonypi_device.dev);
1432         }
1433
1434         kfifo_free(&sonypi_device.fifo);
1435
1436         return 0;
1437 }
1438
1439 #ifdef CONFIG_PM_SLEEP
1440 static int old_camera_power;
1441
1442 static int sonypi_suspend(struct device *dev)
1443 {
1444         old_camera_power = sonypi_device.camera_power;
1445         sonypi_disable();
1446
1447         return 0;
1448 }
1449
1450 static int sonypi_resume(struct device *dev)
1451 {
1452         sonypi_enable(old_camera_power);
1453         return 0;
1454 }
1455
1456 static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1457 #define SONYPI_PM       (&sonypi_pm)
1458 #else
1459 #define SONYPI_PM       NULL
1460 #endif
1461
1462 static void sonypi_shutdown(struct platform_device *dev)
1463 {
1464         sonypi_disable();
1465 }
1466
1467 static struct platform_driver sonypi_driver = {
1468         .driver         = {
1469                 .name   = "sonypi",
1470                 .pm     = SONYPI_PM,
1471         },
1472         .probe          = sonypi_probe,
1473         .remove         = sonypi_remove,
1474         .shutdown       = sonypi_shutdown,
1475 };
1476
1477 static struct platform_device *sonypi_platform_device;
1478
1479 static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1480         {
1481                 .ident = "Sony Vaio",
1482                 .matches = {
1483                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1484                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1485                 },
1486         },
1487         {
1488                 .ident = "Sony Vaio",
1489                 .matches = {
1490                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1491                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1492                 },
1493         },
1494         { }
1495 };
1496
1497 static int __init sonypi_init(void)
1498 {
1499         int error;
1500
1501         printk(KERN_INFO
1502                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1503                 SONYPI_DRIVER_VERSION);
1504
1505         if (!dmi_check_system(sonypi_dmi_table))
1506                 return -ENODEV;
1507
1508         error = platform_driver_register(&sonypi_driver);
1509         if (error)
1510                 return error;
1511
1512         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1513         if (!sonypi_platform_device) {
1514                 error = -ENOMEM;
1515                 goto err_driver_unregister;
1516         }
1517
1518         error = platform_device_add(sonypi_platform_device);
1519         if (error)
1520                 goto err_free_device;
1521
1522 #ifdef CONFIG_ACPI
1523         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1524                 acpi_driver_registered = 1;
1525 #endif
1526
1527         return 0;
1528
1529  err_free_device:
1530         platform_device_put(sonypi_platform_device);
1531  err_driver_unregister:
1532         platform_driver_unregister(&sonypi_driver);
1533         return error;
1534 }
1535
1536 static void __exit sonypi_exit(void)
1537 {
1538 #ifdef CONFIG_ACPI
1539         if (acpi_driver_registered)
1540                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1541 #endif
1542         platform_device_unregister(sonypi_platform_device);
1543         platform_driver_unregister(&sonypi_driver);
1544         printk(KERN_INFO "sonypi: removed.\n");
1545 }
1546
1547 module_init(sonypi_init);
1548 module_exit(sonypi_exit);