drivers/char/sonypi.c

   1 /*
   2  * Sony Programmable I/O Control Device driver for VAIO
   3  *
   4  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   5  *
   6  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
   7  *
   8  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
   9  *
  10  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  11  *
  12  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  13  *
  14  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  15  *
  16  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  17  *
  18  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  19  *
  20  * This program is free software; you can redistribute it and/or modify
  21  * it under the terms of the GNU General Public License as published by
  22  * the Free Software Foundation; either version 2 of the License, or
  23  * (at your option) any later version.
  24  *
  25  * This program is distributed in the hope that it will be useful,
  26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  * GNU General Public License for more details.
  29  *
  30  * You should have received a copy of the GNU General Public License
  31  * along with this program; if not, write to the Free Software
  32  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  33  *
  34  */
  35
  36 #include <linux/module.h>
  37 #include <linux/input.h>
  38 #include <linux/pci.h>
  39 #include <linux/sched.h>
  40 #include <linux/init.h>
  41 #include <linux/interrupt.h>
  42 #include <linux/miscdevice.h>
  43 #include <linux/poll.h>
  44 #include <linux/delay.h>
  45 #include <linux/wait.h>
  46 #include <linux/acpi.h>
  47 #include <linux/dmi.h>
  48 #include <linux/err.h>
  49 #include <linux/kfifo.h>
  50 #include <linux/platform_device.h>
  51
  52 #include <asm/uaccess.h>
  53 #include <asm/io.h>
  54 #include <asm/system.h>
  55
  56 #include <linux/sonypi.h>
  57
  58 #define SONYPI_DRIVER_VERSION    "1.26"
  59
  60 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  61 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  62 MODULE_LICENSE("GPL");
  63 MODULE_VERSION(SONYPI_DRIVER_VERSION);
  64
  65 static int minor = -1;
  66 module_param(minor, int, 0);
  67 MODULE_PARM_DESC(minor,
  68                  "minor number of the misc device, default is -1 (automatic)");
  69
  70 static int verbose;             /* = 0 */
  71 module_param(verbose, int, 0644);
  72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  73
  74 static int fnkeyinit;           /* = 0 */
  75 module_param(fnkeyinit, int, 0444);
  76 MODULE_PARM_DESC(fnkeyinit,
  77                  "set this if your Fn keys do not generate any event");
  78
  79 static int camera;              /* = 0 */
  80 module_param(camera, int, 0444);
  81 MODULE_PARM_DESC(camera,
  82                  "set this if you have a MotionEye camera (PictureBook series)");
  83
  84 static int compat;              /* = 0 */
  85 module_param(compat, int, 0444);
  86 MODULE_PARM_DESC(compat,
  87                  "set this if you want to enable backward compatibility mode");
  88
  89 static unsigned long mask = 0xffffffff;
  90 module_param(mask, ulong, 0644);
  91 MODULE_PARM_DESC(mask,
  92                  "set this to the mask of event you want to enable (see doc)");
  93
  94 static int useinput = 1;
  95 module_param(useinput, int, 0444);
  96 MODULE_PARM_DESC(useinput,
  97                  "set this if you would like sonypi to feed events to the input subsystem");
  98
  99 #define SONYPI_DEVICE_MODEL_TYPE1       1
 100 #define SONYPI_DEVICE_MODEL_TYPE2       2
 101 #define SONYPI_DEVICE_MODEL_TYPE3       3
 102
 103 /* type1 models use those */
 104 #define SONYPI_IRQ_PORT                 0x8034
 105 #define SONYPI_IRQ_SHIFT                22
 106 #define SONYPI_TYPE1_BASE               0x50
 107 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
 108 #define SONYPI_TYPE1_REGION_SIZE        0x08
 109 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 110
 111 /* type2 series specifics */
 112 #define SONYPI_SIRQ                     0x9b
 113 #define SONYPI_SLOB                     0x9c
 114 #define SONYPI_SHIB                     0x9d
 115 #define SONYPI_TYPE2_REGION_SIZE        0x20
 116 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 117
 118 /* type3 series specifics */
 119 #define SONYPI_TYPE3_BASE               0x40
 120 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 121 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 122 #define SONYPI_TYPE3_REGION_SIZE        0x20
 123 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
 124
 125 /* battery / brightness addresses */
 126 #define SONYPI_BAT_FLAGS        0x81
 127 #define SONYPI_LCD_LIGHT        0x96
 128 #define SONYPI_BAT1_PCTRM       0xa0
 129 #define SONYPI_BAT1_LEFT        0xa2
 130 #define SONYPI_BAT1_MAXRT       0xa4
 131 #define SONYPI_BAT2_PCTRM       0xa8
 132 #define SONYPI_BAT2_LEFT        0xaa
 133 #define SONYPI_BAT2_MAXRT       0xac
 134 #define SONYPI_BAT1_MAXTK       0xb0
 135 #define SONYPI_BAT1_FULL        0xb2
 136 #define SONYPI_BAT2_MAXTK       0xb8
 137 #define SONYPI_BAT2_FULL        0xba
 138
 139 /* FAN0 information (reverse engineered from ACPI tables) */
 140 #define SONYPI_FAN0_STATUS      0x93
 141 #define SONYPI_TEMP_STATUS      0xC1
 142
 143 /* ioports used for brightness and type2 events */
 144 #define SONYPI_DATA_IOPORT      0x62
 145 #define SONYPI_CST_IOPORT       0x66
 146
 147 /* The set of possible ioports */
 148 struct sonypi_ioport_list {
 149         u16     port1;
 150         u16     port2;
 151 };
 152
 153 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 154         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 155         { 0x1080, 0x1084 },
 156         { 0x1090, 0x1094 },
 157         { 0x10a0, 0x10a4 },
 158         { 0x10b0, 0x10b4 },
 159         { 0x0, 0x0 }
 160 };
 161
 162 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 163         { 0x1080, 0x1084 },
 164         { 0x10a0, 0x10a4 },
 165         { 0x10c0, 0x10c4 },
 166         { 0x10e0, 0x10e4 },
 167         { 0x0, 0x0 }
 168 };
 169
 170 /* same as in type 2 models */
 171 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 172         sonypi_type2_ioport_list;
 173
 174 /* The set of possible interrupts */
 175 struct sonypi_irq_list {
 176         u16     irq;
 177         u16     bits;
 178 };
 179
 180 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 181         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 182         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 183         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 184         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 185 };
 186
 187 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 188         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 189         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 190         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 191         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 192         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 193 };
 194
 195 /* same as in type2 models */
 196 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 197
 198 #define SONYPI_CAMERA_BRIGHTNESS                0
 199 #define SONYPI_CAMERA_CONTRAST                  1
 200 #define SONYPI_CAMERA_HUE                       2
 201 #define SONYPI_CAMERA_COLOR                     3
 202 #define SONYPI_CAMERA_SHARPNESS                 4
 203
 204 #define SONYPI_CAMERA_PICTURE                   5
 205 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 206 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 207 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 208 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 209
 210 /* the rest don't need a loop until not 0xff */
 211 #define SONYPI_CAMERA_AGC                       6
 212 #define SONYPI_CAMERA_AGC_MASK                  0x30
 213 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 214
 215 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 216 #define SONYPI_CAMERA_CONTROL                   0x10
 217
 218 #define SONYPI_CAMERA_STATUS                    7
 219 #define SONYPI_CAMERA_STATUS_READY              0x2
 220 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 221
 222 #define SONYPI_DIRECTION_BACKWARDS              0x4
 223
 224 #define SONYPI_CAMERA_REVISION                  8
 225 #define SONYPI_CAMERA_ROMVERSION                9
 226
 227 /* Event masks */
 228 #define SONYPI_JOGGER_MASK                      0x00000001
 229 #define SONYPI_CAPTURE_MASK                     0x00000002
 230 #define SONYPI_FNKEY_MASK                       0x00000004
 231 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 232 #define SONYPI_PKEY_MASK                        0x00000010
 233 #define SONYPI_BACK_MASK                        0x00000020
 234 #define SONYPI_HELP_MASK                        0x00000040
 235 #define SONYPI_LID_MASK                         0x00000080
 236 #define SONYPI_ZOOM_MASK                        0x00000100
 237 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 238 #define SONYPI_MEYE_MASK                        0x00000400
 239 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 240 #define SONYPI_BATTERY_MASK                     0x00001000
 241 #define SONYPI_WIRELESS_MASK                    0x00002000
 242
 243 struct sonypi_event {
 244         u8      data;
 245         u8      event;
 246 };
 247
 248 /* The set of possible button release events */
 249 static struct sonypi_event sonypi_releaseev[] = {
 250         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 251         { 0, 0 }
 252 };
 253
 254 /* The set of possible jogger events  */
 255 static struct sonypi_event sonypi_joggerev[] = {
 256         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 257         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 258         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 259         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 260         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 261         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 262         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 263         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 264         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 265         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 266         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 267         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 268         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 269         { 0, 0 }
 270 };
 271
 272 /* The set of possible capture button events */
 273 static struct sonypi_event sonypi_captureev[] = {
 274         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 275         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 276         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 277         { 0, 0 }
 278 };
 279
 280 /* The set of possible fnkeys events */
 281 static struct sonypi_event sonypi_fnkeyev[] = {
 282         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 283         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 284         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 285         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 286         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 287         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 288         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 289         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 290         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 291         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 292         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 293         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 294         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 295         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 296         { 0x21, SONYPI_EVENT_FNKEY_1 },
 297         { 0x22, SONYPI_EVENT_FNKEY_2 },
 298         { 0x31, SONYPI_EVENT_FNKEY_D },
 299         { 0x32, SONYPI_EVENT_FNKEY_E },
 300         { 0x33, SONYPI_EVENT_FNKEY_F },
 301         { 0x34, SONYPI_EVENT_FNKEY_S },
 302         { 0x35, SONYPI_EVENT_FNKEY_B },
 303         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 304         { 0, 0 }
 305 };
 306
 307 /* The set of possible program key events */
 308 static struct sonypi_event sonypi_pkeyev[] = {
 309         { 0x01, SONYPI_EVENT_PKEY_P1 },
 310         { 0x02, SONYPI_EVENT_PKEY_P2 },
 311         { 0x04, SONYPI_EVENT_PKEY_P3 },
 312         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 313         { 0, 0 }
 314 };
 315
 316 /* The set of possible bluetooth events */
 317 static struct sonypi_event sonypi_blueev[] = {
 318         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 319         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 320         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 321         { 0, 0 }
 322 };
 323
 324 /* The set of possible wireless events */
 325 static struct sonypi_event sonypi_wlessev[] = {
 326         { 0x59, SONYPI_EVENT_WIRELESS_ON },
 327         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 328         { 0, 0 }
 329 };
 330
 331 /* The set of possible back button events */
 332 static struct sonypi_event sonypi_backev[] = {
 333         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 334         { 0, 0 }
 335 };
 336
 337 /* The set of possible help button events */
 338 static struct sonypi_event sonypi_helpev[] = {
 339         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 340         { 0, 0 }
 341 };
 342
 343
 344 /* The set of possible lid events */
 345 static struct sonypi_event sonypi_lidev[] = {
 346         { 0x51, SONYPI_EVENT_LID_CLOSED },
 347         { 0x50, SONYPI_EVENT_LID_OPENED },
 348         { 0, 0 }
 349 };
 350
 351 /* The set of possible zoom events */
 352 static struct sonypi_event sonypi_zoomev[] = {
 353         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 354         { 0, 0 }
 355 };
 356
 357 /* The set of possible thumbphrase events */
 358 static struct sonypi_event sonypi_thumbphraseev[] = {
 359         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 360         { 0, 0 }
 361 };
 362
 363 /* The set of possible motioneye camera events */
 364 static struct sonypi_event sonypi_meyeev[] = {
 365         { 0x00, SONYPI_EVENT_MEYE_FACE },
 366         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 367         { 0, 0 }
 368 };
 369
 370 /* The set of possible memorystick events */
 371 static struct sonypi_event sonypi_memorystickev[] = {
 372         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 373         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 374         { 0, 0 }
 375 };
 376
 377 /* The set of possible battery events */
 378 static struct sonypi_event sonypi_batteryev[] = {
 379         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 380         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 381         { 0, 0 }
 382 };
 383
 384 static struct sonypi_eventtypes {
 385         int                     model;
 386         u8                      data;
 387         unsigned long           mask;
 388         struct sonypi_event *   events;
 389 } sonypi_eventtypes[] = {
 390         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 391         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 392         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 393         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 394         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 395         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 396         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 397         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 398         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 399         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 400
 401         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 402         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 403         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 404         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 405         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 406         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 407         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 408         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 409         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 410         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 411         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 412         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 413         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 414         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 415
 416         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 417         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 418         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 419         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 420         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 421         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 422         { 0 }
 423 };
 424
 425 #define SONYPI_BUF_SIZE 128
 426
 427 /* Correspondance table between sonypi events and input layer events */
 428 static struct {
 429         int sonypiev;
 430         int inputev;
 431 } sonypi_inputkeys[] = {
 432         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 433         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 434         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 435         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 436         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 437         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 438         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 439         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 440         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 441         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 442         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 443         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 444         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 445         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 446         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 447         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 448         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 449         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 450         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 451         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 452         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 453         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 454         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 455         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 456         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 457         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 458         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 459         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 460         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 461         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 462         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 463         { 0, 0 },
 464 };
 465
 466 struct sonypi_keypress {
 467         struct input_dev *dev;
 468         int key;
 469 };
 470
 471 static struct sonypi_device {
 472         struct pci_dev *dev;
 473         u16 irq;
 474         u16 bits;
 475         u16 ioport1;
 476         u16 ioport2;
 477         u16 region_size;
 478         u16 evtype_offset;
 479         int camera_power;
 480         int bluetooth_power;
 481         struct semaphore lock;
 482         struct kfifo *fifo;
 483         spinlock_t fifo_lock;
 484         wait_queue_head_t fifo_proc_list;
 485         struct fasync_struct *fifo_async;
 486         int open_count;
 487         int model;
 488         struct input_dev *input_jog_dev;
 489         struct input_dev *input_key_dev;
 490         struct work_struct input_work;
 491         struct kfifo *input_fifo;
 492         spinlock_t input_fifo_lock;
 493 } sonypi_device;
 494
 495 #define ITERATIONS_LONG         10000
 496 #define ITERATIONS_SHORT        10
 497
 498 #define wait_on_command(quiet, command, iterations) { \
 499         unsigned int n = iterations; \
 500         while (--n && (command)) \
 501                 udelay(1); \
 502         if (!n && (verbose || !quiet)) \
 503                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 504 }
 505
 506 #ifdef CONFIG_ACPI
 507 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 508 #else
 509 #define SONYPI_ACPI_ACTIVE 0
 510 #endif                          /* CONFIG_ACPI */
 511
 512 #ifdef CONFIG_ACPI
 513 static struct acpi_device *sonypi_acpi_device;
 514 static int acpi_driver_registered;
 515 #endif
 516
 517 static int sonypi_ec_write(u8 addr, u8 value)
 518 {
 519 #ifdef CONFIG_ACPI_EC
 520         if (SONYPI_ACPI_ACTIVE)
 521                 return ec_write(addr, value);
 522 #endif
 523         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 524         outb_p(0x81, SONYPI_CST_IOPORT);
 525         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 526         outb_p(addr, SONYPI_DATA_IOPORT);
 527         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 528         outb_p(value, SONYPI_DATA_IOPORT);
 529         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 530         return 0;
 531 }
 532
 533 static int sonypi_ec_read(u8 addr, u8 *value)
 534 {
 535 #ifdef CONFIG_ACPI_EC
 536         if (SONYPI_ACPI_ACTIVE)
 537                 return ec_read(addr, value);
 538 #endif
 539         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 540         outb_p(0x80, SONYPI_CST_IOPORT);
 541         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 542         outb_p(addr, SONYPI_DATA_IOPORT);
 543         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 544         *value = inb_p(SONYPI_DATA_IOPORT);
 545         return 0;
 546 }
 547
 548 static int ec_read16(u8 addr, u16 *value)
 549 {
 550         u8 val_lb, val_hb;
 551         if (sonypi_ec_read(addr, &val_lb))
 552                 return -1;
 553         if (sonypi_ec_read(addr + 1, &val_hb))
 554                 return -1;
 555         *value = val_lb | (val_hb << 8);
 556         return 0;
 557 }
 558
 559 /* Initializes the device - this comes from the AML code in the ACPI bios */
 560 static void sonypi_type1_srs(void)
 561 {
 562         u32 v;
 563
 564         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 565         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 566         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 567
 568         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 569         v = (v & 0xFFF0FFFF) |
 570             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 571         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 572
 573         v = inl(SONYPI_IRQ_PORT);
 574         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 575         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 576         outl(v, SONYPI_IRQ_PORT);
 577
 578         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 579         v = (v & 0xFF1FFFFF) | 0x00C00000;
 580         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 581 }
 582
 583 static void sonypi_type2_srs(void)
 584 {
 585         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 586                 printk(KERN_WARNING "ec_write failed\n");
 587         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 588                 printk(KERN_WARNING "ec_write failed\n");
 589         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 590                 printk(KERN_WARNING "ec_write failed\n");
 591         udelay(10);
 592 }
 593
 594 static void sonypi_type3_srs(void)
 595 {
 596         u16 v16;
 597         u8  v8;
 598
 599         /* This model type uses the same initialiazation of
 600          * the embedded controller as the type2 models. */
 601         sonypi_type2_srs();
 602
 603         /* Initialization of PCI config space of the LPC interface bridge. */
 604         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 605         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 606         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 607         v8 = (v8 & 0xCF) | 0x10;
 608         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 609 }
 610
 611 /* Disables the device - this comes from the AML code in the ACPI bios */
 612 static void sonypi_type1_dis(void)
 613 {
 614         u32 v;
 615
 616         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 617         v = v & 0xFF3FFFFF;
 618         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 619
 620         v = inl(SONYPI_IRQ_PORT);
 621         v |= (0x3 << SONYPI_IRQ_SHIFT);
 622         outl(v, SONYPI_IRQ_PORT);
 623 }
 624
 625 static void sonypi_type2_dis(void)
 626 {
 627         if (sonypi_ec_write(SONYPI_SHIB, 0))
 628                 printk(KERN_WARNING "ec_write failed\n");
 629         if (sonypi_ec_write(SONYPI_SLOB, 0))
 630                 printk(KERN_WARNING "ec_write failed\n");
 631         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 632                 printk(KERN_WARNING "ec_write failed\n");
 633 }
 634
 635 static void sonypi_type3_dis(void)
 636 {
 637         sonypi_type2_dis();
 638         udelay(10);
 639         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 640 }
 641
 642 static u8 sonypi_call1(u8 dev)
 643 {
 644         u8 v1, v2;
 645
 646         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 647         outb(dev, sonypi_device.ioport2);
 648         v1 = inb_p(sonypi_device.ioport2);
 649         v2 = inb_p(sonypi_device.ioport1);
 650         return v2;
 651 }
 652
 653 static u8 sonypi_call2(u8 dev, u8 fn)
 654 {
 655         u8 v1;
 656
 657         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 658         outb(dev, sonypi_device.ioport2);
 659         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 660         outb(fn, sonypi_device.ioport1);
 661         v1 = inb_p(sonypi_device.ioport1);
 662         return v1;
 663 }
 664
 665 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 666 {
 667         u8 v1;
 668
 669         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 670         outb(dev, sonypi_device.ioport2);
 671         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 672         outb(fn, sonypi_device.ioport1);
 673         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 674         outb(v, sonypi_device.ioport1);
 675         v1 = inb_p(sonypi_device.ioport1);
 676         return v1;
 677 }
 678
 679 #if 0
 680 /* Get brightness, hue etc. Unreliable... */
 681 static u8 sonypi_read(u8 fn)
 682 {
 683         u8 v1, v2;
 684         int n = 100;
 685
 686         while (n--) {
 687                 v1 = sonypi_call2(0x8f, fn);
 688                 v2 = sonypi_call2(0x8f, fn);
 689                 if (v1 == v2 && v1 != 0xff)
 690                         return v1;
 691         }
 692         return 0xff;
 693 }
 694 #endif
 695
 696 /* Set brightness, hue etc */
 697 static void sonypi_set(u8 fn, u8 v)
 698 {
 699         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 700 }
 701
 702 /* Tests if the camera is ready */
 703 static int sonypi_camera_ready(void)
 704 {
 705         u8 v;
 706
 707         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 708         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 709 }
 710
 711 /* Turns the camera off */
 712 static void sonypi_camera_off(void)
 713 {
 714         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 715
 716         if (!sonypi_device.camera_power)
 717                 return;
 718
 719         sonypi_call2(0x91, 0);
 720         sonypi_device.camera_power = 0;
 721 }
 722
 723 /* Turns the camera on */
 724 static void sonypi_camera_on(void)
 725 {
 726         int i, j;
 727
 728         if (sonypi_device.camera_power)
 729                 return;
 730
 731         for (j = 5; j > 0; j--) {
 732
 733                 while (sonypi_call2(0x91, 0x1))
 734                         msleep(10);
 735                 sonypi_call1(0x93);
 736
 737                 for (i = 400; i > 0; i--) {
 738                         if (sonypi_camera_ready())
 739                                 break;
 740                         msleep(10);
 741                 }
 742                 if (i)
 743                         break;
 744         }
 745
 746         if (j == 0) {
 747                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 748                 return;
 749         }
 750
 751         sonypi_set(0x10, 0x5a);
 752         sonypi_device.camera_power = 1;
 753 }
 754
 755 /* sets the bluetooth subsystem power state */
 756 static void sonypi_setbluetoothpower(u8 state)
 757 {
 758         state = !!state;
 759
 760         if (sonypi_device.bluetooth_power == state)
 761                 return;
 762
 763         sonypi_call2(0x96, state);
 764         sonypi_call1(0x82);
 765         sonypi_device.bluetooth_power = state;
 766 }
 767
 768 static void input_keyrelease(void *data)
 769 {
 770         struct sonypi_keypress kp;
 771
 772         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
 773                          sizeof(kp)) == sizeof(kp)) {
 774                 msleep(10);
 775                 input_report_key(kp.dev, kp.key, 0);
 776                 input_sync(kp.dev);
 777         }
 778 }
 779
 780 static void sonypi_report_input_event(u8 event)
 781 {
 782         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 783         struct input_dev *key_dev = sonypi_device.input_key_dev;
 784         struct sonypi_keypress kp = { NULL };
 785         int i;
 786
 787         switch (event) {
 788         case SONYPI_EVENT_JOGDIAL_UP:
 789         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 790                 input_report_rel(jog_dev, REL_WHEEL, 1);
 791                 input_sync(jog_dev);
 792                 break;
 793
 794         case SONYPI_EVENT_JOGDIAL_DOWN:
 795         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 796                 input_report_rel(jog_dev, REL_WHEEL, -1);
 797                 input_sync(jog_dev);
 798                 break;
 799
 800         case SONYPI_EVENT_JOGDIAL_PRESSED:
 801                 kp.key = BTN_MIDDLE;
 802                 kp.dev = jog_dev;
 803                 break;
 804
 805         case SONYPI_EVENT_FNKEY_RELEASED:
 806                 /* Nothing, not all VAIOs generate this event */
 807                 break;
 808
 809         default:
 810                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 811                         if (event == sonypi_inputkeys[i].sonypiev) {
 812                                 kp.dev = key_dev;
 813                                 kp.key = sonypi_inputkeys[i].inputev;
 814                                 break;
 815                         }
 816                 break;
 817         }
 818
 819         if (kp.dev) {
 820                 input_report_key(kp.dev, kp.key, 1);
 821                 input_sync(kp.dev);
 822                 kfifo_put(sonypi_device.input_fifo,
 823                           (unsigned char *)&kp, sizeof(kp));
 824                 schedule_work(&sonypi_device.input_work);
 825         }
 826 }
 827
 828 /* Interrupt handler: some event is available */
 829 static irqreturn_t sonypi_irq(int irq, void *dev_id)
 830 {
 831         u8 v1, v2, event = 0;
 832         int i, j;
 833
 834         v1 = inb_p(sonypi_device.ioport1);
 835         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 836
 837         for (i = 0; sonypi_eventtypes[i].model; i++) {
 838                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 839                         continue;
 840                 if ((v2 & sonypi_eventtypes[i].data) !=
 841                     sonypi_eventtypes[i].data)
 842                         continue;
 843                 if (!(mask & sonypi_eventtypes[i].mask))
 844                         continue;
 845                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 846                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 847                                 event = sonypi_eventtypes[i].events[j].event;
 848                                 goto found;
 849                         }
 850                 }
 851         }
 852
 853         if (verbose)
 854                 printk(KERN_WARNING
 855                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 856                        v1, v2);
 857         /* We need to return IRQ_HANDLED here because there *are*
 858          * events belonging to the sonypi device we don't know about,
 859          * but we still don't want those to pollute the logs... */
 860         return IRQ_HANDLED;
 861
 862 found:
 863         if (verbose > 1)
 864                 printk(KERN_INFO
 865                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 866
 867         if (useinput)
 868                 sonypi_report_input_event(event);
 869
 870 #ifdef CONFIG_ACPI
 871         if (sonypi_acpi_device)
 872                 acpi_bus_generate_event(sonypi_acpi_device, 1, event);
 873 #endif
 874
 875         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 876         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 877         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 878
 879         return IRQ_HANDLED;
 880 }
 881
 882 /* External camera command (exported to the motion eye v4l driver) */
 883 int sonypi_camera_command(int command, u8 value)
 884 {
 885         if (!camera)
 886                 return -EIO;
 887
 888         down(&sonypi_device.lock);
 889
 890         switch (command) {
 891         case SONYPI_COMMAND_SETCAMERA:
 892                 if (value)
 893                         sonypi_camera_on();
 894                 else
 895                         sonypi_camera_off();
 896                 break;
 897         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 898                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 899                 break;
 900         case SONYPI_COMMAND_SETCAMERACONTRAST:
 901                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 902                 break;
 903         case SONYPI_COMMAND_SETCAMERAHUE:
 904                 sonypi_set(SONYPI_CAMERA_HUE, value);
 905                 break;
 906         case SONYPI_COMMAND_SETCAMERACOLOR:
 907                 sonypi_set(SONYPI_CAMERA_COLOR, value);
 908                 break;
 909         case SONYPI_COMMAND_SETCAMERASHARPNESS:
 910                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 911                 break;
 912         case SONYPI_COMMAND_SETCAMERAPICTURE:
 913                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
 914                 break;
 915         case SONYPI_COMMAND_SETCAMERAAGC:
 916                 sonypi_set(SONYPI_CAMERA_AGC, value);
 917                 break;
 918         default:
 919                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 920                        command);
 921                 break;
 922         }
 923         up(&sonypi_device.lock);
 924         return 0;
 925 }
 926
 927 EXPORT_SYMBOL(sonypi_camera_command);
 928
 929 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 930 {
 931         int retval;
 932
 933         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 934         if (retval < 0)
 935                 return retval;
 936         return 0;
 937 }
 938
 939 static int sonypi_misc_release(struct inode *inode, struct file *file)
 940 {
 941         sonypi_misc_fasync(-1, file, 0);
 942         down(&sonypi_device.lock);
 943         sonypi_device.open_count--;
 944         up(&sonypi_device.lock);
 945         return 0;
 946 }
 947
 948 static int sonypi_misc_open(struct inode *inode, struct file *file)
 949 {
 950         down(&sonypi_device.lock);
 951         /* Flush input queue on first open */
 952         if (!sonypi_device.open_count)
 953                 kfifo_reset(sonypi_device.fifo);
 954         sonypi_device.open_count++;
 955         up(&sonypi_device.lock);
 956         return 0;
 957 }
 958
 959 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 960                                 size_t count, loff_t *pos)
 961 {
 962         ssize_t ret;
 963         unsigned char c;
 964
 965         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 966             (file->f_flags & O_NONBLOCK))
 967                 return -EAGAIN;
 968
 969         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 970                                        kfifo_len(sonypi_device.fifo) != 0);
 971         if (ret)
 972                 return ret;
 973
 974         while (ret < count &&
 975                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 976                 if (put_user(c, buf++))
 977                         return -EFAULT;
 978                 ret++;
 979         }
 980
 981         if (ret > 0) {
 982                 struct inode *inode = file->f_dentry->d_inode;
 983                 inode->i_atime = current_fs_time(inode->i_sb);
 984         }
 985
 986         return ret;
 987 }
 988
 989 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 990 {
 991         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 992         if (kfifo_len(sonypi_device.fifo))
 993                 return POLLIN | POLLRDNORM;
 994         return 0;
 995 }
 996
 997 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 998                              unsigned int cmd, unsigned long arg)
 999 {
1000         int ret = 0;
1001         void __user *argp = (void __user *)arg;
1002         u8 val8;
1003         u16 val16;
1004
1005         down(&sonypi_device.lock);
1006         switch (cmd) {
1007         case SONYPI_IOCGBRT:
1008                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1009                         ret = -EIO;
1010                         break;
1011                 }
1012                 if (copy_to_user(argp, &val8, sizeof(val8)))
1013                         ret = -EFAULT;
1014                 break;
1015         case SONYPI_IOCSBRT:
1016                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1017                         ret = -EFAULT;
1018                         break;
1019                 }
1020                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1021                         ret = -EIO;
1022                 break;
1023         case SONYPI_IOCGBAT1CAP:
1024                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1025                         ret = -EIO;
1026                         break;
1027                 }
1028                 if (copy_to_user(argp, &val16, sizeof(val16)))
1029                         ret = -EFAULT;
1030                 break;
1031         case SONYPI_IOCGBAT1REM:
1032                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1033                         ret = -EIO;
1034                         break;
1035                 }
1036                 if (copy_to_user(argp, &val16, sizeof(val16)))
1037                         ret = -EFAULT;
1038                 break;
1039         case SONYPI_IOCGBAT2CAP:
1040                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1041                         ret = -EIO;
1042                         break;
1043                 }
1044                 if (copy_to_user(argp, &val16, sizeof(val16)))
1045                         ret = -EFAULT;
1046                 break;
1047         case SONYPI_IOCGBAT2REM:
1048                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1049                         ret = -EIO;
1050                         break;
1051                 }
1052                 if (copy_to_user(argp, &val16, sizeof(val16)))
1053                         ret = -EFAULT;
1054                 break;
1055         case SONYPI_IOCGBATFLAGS:
1056                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1057                         ret = -EIO;
1058                         break;
1059                 }
1060                 val8 &= 0x07;
1061                 if (copy_to_user(argp, &val8, sizeof(val8)))
1062                         ret = -EFAULT;
1063                 break;
1064         case SONYPI_IOCGBLUE:
1065                 val8 = sonypi_device.bluetooth_power;
1066                 if (copy_to_user(argp, &val8, sizeof(val8)))
1067                         ret = -EFAULT;
1068                 break;
1069         case SONYPI_IOCSBLUE:
1070                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1071                         ret = -EFAULT;
1072                         break;
1073                 }
1074                 sonypi_setbluetoothpower(val8);
1075                 break;
1076         /* FAN Controls */
1077         case SONYPI_IOCGFAN:
1078                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1079                         ret = -EIO;
1080                         break;
1081                 }
1082                 if (copy_to_user(argp, &val8, sizeof(val8)))
1083                         ret = -EFAULT;
1084                 break;
1085         case SONYPI_IOCSFAN:
1086                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1087                         ret = -EFAULT;
1088                         break;
1089                 }
1090                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1091                         ret = -EIO;
1092                 break;
1093         /* GET Temperature (useful under APM) */
1094         case SONYPI_IOCGTEMP:
1095                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1096                         ret = -EIO;
1097                         break;
1098                 }
1099                 if (copy_to_user(argp, &val8, sizeof(val8)))
1100                         ret = -EFAULT;
1101                 break;
1102         default:
1103                 ret = -EINVAL;
1104         }
1105         up(&sonypi_device.lock);
1106         return ret;
1107 }
1108
1109 static const struct file_operations sonypi_misc_fops = {
1110         .owner          = THIS_MODULE,
1111         .read           = sonypi_misc_read,
1112         .poll           = sonypi_misc_poll,
1113         .open           = sonypi_misc_open,
1114         .release        = sonypi_misc_release,
1115         .fasync         = sonypi_misc_fasync,
1116         .ioctl          = sonypi_misc_ioctl,
1117 };
1118
1119 static struct miscdevice sonypi_misc_device = {
1120         .minor          = MISC_DYNAMIC_MINOR,
1121         .name           = "sonypi",
1122         .fops           = &sonypi_misc_fops,
1123 };
1124
1125 static void sonypi_enable(unsigned int camera_on)
1126 {
1127         switch (sonypi_device.model) {
1128         case SONYPI_DEVICE_MODEL_TYPE1:
1129                 sonypi_type1_srs();
1130                 break;
1131         case SONYPI_DEVICE_MODEL_TYPE2:
1132                 sonypi_type2_srs();
1133                 break;
1134         case SONYPI_DEVICE_MODEL_TYPE3:
1135                 sonypi_type3_srs();
1136                 break;
1137         }
1138
1139         sonypi_call1(0x82);
1140         sonypi_call2(0x81, 0xff);
1141         sonypi_call1(compat ? 0x92 : 0x82);
1142
1143         /* Enable ACPI mode to get Fn key events */
1144         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1145                 outb(0xf0, 0xb2);
1146
1147         if (camera && camera_on)
1148                 sonypi_camera_on();
1149 }
1150
1151 static int sonypi_disable(void)
1152 {
1153         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1154         if (camera)
1155                 sonypi_camera_off();
1156
1157         /* disable ACPI mode */
1158         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1159                 outb(0xf1, 0xb2);
1160
1161         switch (sonypi_device.model) {
1162         case SONYPI_DEVICE_MODEL_TYPE1:
1163                 sonypi_type1_dis();
1164                 break;
1165         case SONYPI_DEVICE_MODEL_TYPE2:
1166                 sonypi_type2_dis();
1167                 break;
1168         case SONYPI_DEVICE_MODEL_TYPE3:
1169                 sonypi_type3_dis();
1170                 break;
1171         }
1172
1173         return 0;
1174 }
1175
1176 #ifdef CONFIG_ACPI
1177 static int sonypi_acpi_add(struct acpi_device *device)
1178 {
1179         sonypi_acpi_device = device;
1180         strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1181         strcpy(acpi_device_class(device), "sony/hotkey");
1182         return 0;
1183 }
1184
1185 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1186 {
1187         sonypi_acpi_device = NULL;
1188         return 0;
1189 }
1190
1191 static struct acpi_driver sonypi_acpi_driver = {
1192         .name           = "sonypi",
1193         .class          = "hkey",
1194         .ids            = "SNY6001",
1195         .ops            = {
1196                            .add = sonypi_acpi_add,
1197                            .remove = sonypi_acpi_remove,
1198         },
1199 };
1200 #endif
1201
1202 static int __devinit sonypi_create_input_devices(void)
1203 {
1204         struct input_dev *jog_dev;
1205         struct input_dev *key_dev;
1206         int i;
1207         int error;
1208
1209         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1210         if (!jog_dev)
1211                 return -ENOMEM;
1212
1213         jog_dev->name = "Sony Vaio Jogdial";
1214         jog_dev->id.bustype = BUS_ISA;
1215         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1216
1217         jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1218         jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1219         jog_dev->relbit[0] = BIT(REL_WHEEL);
1220
1221         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1222         if (!key_dev) {
1223                 error = -ENOMEM;
1224                 goto err_free_jogdev;
1225         }
1226
1227         key_dev->name = "Sony Vaio Keys";
1228         key_dev->id.bustype = BUS_ISA;
1229         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1230
1231         /* Initialize the Input Drivers: special keys */
1232         key_dev->evbit[0] = BIT(EV_KEY);
1233         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1234                 if (sonypi_inputkeys[i].inputev)
1235                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1236
1237         error = input_register_device(jog_dev);
1238         if (error)
1239                 goto err_free_keydev;
1240
1241         error = input_register_device(key_dev);
1242         if (error)
1243                 goto err_unregister_jogdev;
1244
1245         return 0;
1246
1247  err_unregister_jogdev:
1248         input_unregister_device(jog_dev);
1249         /* Set to NULL so we don't free it again below */
1250         jog_dev = NULL;
1251  err_free_keydev:
1252         input_free_device(key_dev);
1253         sonypi_device.input_key_dev = NULL;
1254  err_free_jogdev:
1255         input_free_device(jog_dev);
1256         sonypi_device.input_jog_dev = NULL;
1257
1258         return error;
1259 }
1260
1261 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1262                                 const struct sonypi_ioport_list *ioport_list)
1263 {
1264         while (ioport_list->port1) {
1265
1266                 if (request_region(ioport_list->port1,
1267                                    sonypi_device.region_size,
1268                                    "Sony Programable I/O Device")) {
1269                         dev->ioport1 = ioport_list->port1;
1270                         dev->ioport2 = ioport_list->port2;
1271                         return 0;
1272                 }
1273                 ioport_list++;
1274         }
1275
1276         return -EBUSY;
1277 }
1278
1279 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1280                                       const struct sonypi_irq_list *irq_list)
1281 {
1282         while (irq_list->irq) {
1283
1284                 if (!request_irq(irq_list->irq, sonypi_irq,
1285                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1286                         dev->irq = irq_list->irq;
1287                         dev->bits = irq_list->bits;
1288                         return 0;
1289                 }
1290                 irq_list++;
1291         }
1292
1293         return -EBUSY;
1294 }
1295
1296 static void __devinit sonypi_display_info(void)
1297 {
1298         printk(KERN_INFO "sonypi: detected type%d model, "
1299                "verbose = %d, fnkeyinit = %s, camera = %s, "
1300                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1301                sonypi_device.model,
1302                verbose,
1303                fnkeyinit ? "on" : "off",
1304                camera ? "on" : "off",
1305                compat ? "on" : "off",
1306                mask,
1307                useinput ? "on" : "off",
1308                SONYPI_ACPI_ACTIVE ? "on" : "off");
1309         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1310                sonypi_device.irq,
1311                sonypi_device.ioport1, sonypi_device.ioport2);
1312
1313         if (minor == -1)
1314                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1315                        sonypi_misc_device.minor);
1316 }
1317
1318 static int __devinit sonypi_probe(struct platform_device *dev)
1319 {
1320         const struct sonypi_ioport_list *ioport_list;
1321         const struct sonypi_irq_list *irq_list;
1322         struct pci_dev *pcidev;
1323         int error;
1324
1325         spin_lock_init(&sonypi_device.fifo_lock);
1326         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1327                                          &sonypi_device.fifo_lock);
1328         if (IS_ERR(sonypi_device.fifo)) {
1329                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1330                 return PTR_ERR(sonypi_device.fifo);
1331         }
1332
1333         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1334         init_MUTEX(&sonypi_device.lock);
1335         sonypi_device.bluetooth_power = -1;
1336
1337         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1338                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1339                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1340         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1341                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1342                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1343         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1344                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1345                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1346         else
1347                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1348
1349         if (pcidev && pci_enable_device(pcidev)) {
1350                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1351                 error = -EIO;
1352                 goto err_put_pcidev;
1353         }
1354
1355         sonypi_device.dev = pcidev;
1356
1357         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1358                 ioport_list = sonypi_type1_ioport_list;
1359                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1360                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1361                 irq_list = sonypi_type1_irq_list;
1362         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1363                 ioport_list = sonypi_type2_ioport_list;
1364                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1365                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1366                 irq_list = sonypi_type2_irq_list;
1367         } else {
1368                 ioport_list = sonypi_type3_ioport_list;
1369                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1370                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1371                 irq_list = sonypi_type3_irq_list;
1372         }
1373
1374         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1375         if (error) {
1376                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1377                 goto err_disable_pcidev;
1378         }
1379
1380         error = sonypi_setup_irq(&sonypi_device, irq_list);
1381         if (error) {
1382                 printk(KERN_ERR "sonypi: request_irq failed\n");
1383                 goto err_free_ioports;
1384         }
1385
1386         if (minor != -1)
1387                 sonypi_misc_device.minor = minor;
1388         error = misc_register(&sonypi_misc_device);
1389         if (error) {
1390                 printk(KERN_ERR "sonypi: misc_register failed\n");
1391                 goto err_free_irq;
1392         }
1393
1394         sonypi_display_info();
1395
1396         if (useinput) {
1397
1398                 error = sonypi_create_input_devices();
1399                 if (error) {
1400                         printk(KERN_ERR
1401                                 "sonypi: failed to create input devices\n");
1402                         goto err_miscdev_unregister;
1403                 }
1404
1405                 spin_lock_init(&sonypi_device.input_fifo_lock);
1406                 sonypi_device.input_fifo =
1407                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1408                                     &sonypi_device.input_fifo_lock);
1409                 if (IS_ERR(sonypi_device.input_fifo)) {
1410                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1411                         error = PTR_ERR(sonypi_device.input_fifo);
1412                         goto err_inpdev_unregister;
1413                 }
1414
1415                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1416         }
1417
1418         sonypi_enable(0);
1419
1420         return 0;
1421
1422  err_inpdev_unregister:
1423         input_unregister_device(sonypi_device.input_key_dev);
1424         input_unregister_device(sonypi_device.input_jog_dev);
1425  err_miscdev_unregister:
1426         misc_deregister(&sonypi_misc_device);
1427  err_free_irq:
1428         free_irq(sonypi_device.irq, sonypi_irq);
1429  err_free_ioports:
1430         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1431  err_disable_pcidev:
1432         if (pcidev)
1433                 pci_disable_device(pcidev);
1434  err_put_pcidev:
1435         pci_dev_put(pcidev);
1436         kfifo_free(sonypi_device.fifo);
1437
1438         return error;
1439 }
1440
1441 static int __devexit sonypi_remove(struct platform_device *dev)
1442 {
1443         sonypi_disable();
1444
1445         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1446         flush_scheduled_work();
1447
1448         if (useinput) {
1449                 input_unregister_device(sonypi_device.input_key_dev);
1450                 input_unregister_device(sonypi_device.input_jog_dev);
1451                 kfifo_free(sonypi_device.input_fifo);
1452         }
1453
1454         misc_deregister(&sonypi_misc_device);
1455
1456         free_irq(sonypi_device.irq, sonypi_irq);
1457         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1458
1459         if (sonypi_device.dev) {
1460                 pci_disable_device(sonypi_device.dev);
1461                 pci_dev_put(sonypi_device.dev);
1462         }
1463
1464         kfifo_free(sonypi_device.fifo);
1465
1466         return 0;
1467 }
1468
1469 #ifdef CONFIG_PM
1470 static int old_camera_power;
1471
1472 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1473 {
1474         old_camera_power = sonypi_device.camera_power;
1475         sonypi_disable();
1476
1477         return 0;
1478 }
1479
1480 static int sonypi_resume(struct platform_device *dev)
1481 {
1482         sonypi_enable(old_camera_power);
1483         return 0;
1484 }
1485 #else
1486 #define sonypi_suspend  NULL
1487 #define sonypi_resume   NULL
1488 #endif
1489
1490 static void sonypi_shutdown(struct platform_device *dev)
1491 {
1492         sonypi_disable();
1493 }
1494
1495 static struct platform_driver sonypi_driver = {
1496         .driver         = {
1497                 .name   = "sonypi",
1498                 .owner  = THIS_MODULE,
1499         },
1500         .probe          = sonypi_probe,
1501         .remove         = __devexit_p(sonypi_remove),
1502         .shutdown       = sonypi_shutdown,
1503         .suspend        = sonypi_suspend,
1504         .resume         = sonypi_resume,
1505 };
1506
1507 static struct platform_device *sonypi_platform_device;
1508
1509 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1510         {
1511                 .ident = "Sony Vaio",
1512                 .matches = {
1513                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1514                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1515                 },
1516         },
1517         {
1518                 .ident = "Sony Vaio",
1519                 .matches = {
1520                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1521                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1522                 },
1523         },
1524         { }
1525 };
1526
1527 static int __init sonypi_init(void)
1528 {
1529         int error;
1530
1531         printk(KERN_INFO
1532                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1533                 SONYPI_DRIVER_VERSION);
1534
1535         if (!dmi_check_system(sonypi_dmi_table))
1536                 return -ENODEV;
1537
1538         error = platform_driver_register(&sonypi_driver);
1539         if (error)
1540                 return error;
1541
1542         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1543         if (!sonypi_platform_device) {
1544                 error = -ENOMEM;
1545                 goto err_driver_unregister;
1546         }
1547
1548         error = platform_device_add(sonypi_platform_device);
1549         if (error)
1550                 goto err_free_device;
1551
1552 #ifdef CONFIG_ACPI
1553         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1554                 acpi_driver_registered = 1;
1555 #endif
1556
1557         return 0;
1558
1559  err_free_device:
1560         platform_device_put(sonypi_platform_device);
1561  err_driver_unregister:
1562         platform_driver_unregister(&sonypi_driver);
1563         return error;
1564 }
1565
1566 static void __exit sonypi_exit(void)
1567 {
1568 #ifdef CONFIG_ACPI
1569         if (acpi_driver_registered)
1570                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1571 #endif
1572         platform_device_unregister(sonypi_platform_device);
1573         platform_driver_unregister(&sonypi_driver);
1574         printk(KERN_INFO "sonypi: removed.\n");
1575 }
1576
1577 module_init(sonypi_init);
1578 module_exit(sonypi_exit);