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/config.h>
  37 #include <linux/module.h>
  38 #include <linux/input.h>
  39 #include <linux/pci.h>
  40 #include <linux/sched.h>
  41 #include <linux/init.h>
  42 #include <linux/interrupt.h>
  43 #include <linux/miscdevice.h>
  44 #include <linux/poll.h>
  45 #include <linux/delay.h>
  46 #include <linux/wait.h>
  47 #include <linux/acpi.h>
  48 #include <linux/dmi.h>
  49 #include <linux/err.h>
  50 #include <linux/kfifo.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
 102 /* type1 models use those */
 103 #define SONYPI_IRQ_PORT                 0x8034
 104 #define SONYPI_IRQ_SHIFT                22
 105 #define SONYPI_BASE                     0x50
 106 #define SONYPI_G10A                     (SONYPI_BASE+0x14)
 107 #define SONYPI_TYPE1_REGION_SIZE        0x08
 108 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
 109
 110 /* type2 series specifics */
 111 #define SONYPI_SIRQ                     0x9b
 112 #define SONYPI_SLOB                     0x9c
 113 #define SONYPI_SHIB                     0x9d
 114 #define SONYPI_TYPE2_REGION_SIZE        0x20
 115 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
 116
 117 /* battery / brightness addresses */
 118 #define SONYPI_BAT_FLAGS        0x81
 119 #define SONYPI_LCD_LIGHT        0x96
 120 #define SONYPI_BAT1_PCTRM       0xa0
 121 #define SONYPI_BAT1_LEFT        0xa2
 122 #define SONYPI_BAT1_MAXRT       0xa4
 123 #define SONYPI_BAT2_PCTRM       0xa8
 124 #define SONYPI_BAT2_LEFT        0xaa
 125 #define SONYPI_BAT2_MAXRT       0xac
 126 #define SONYPI_BAT1_MAXTK       0xb0
 127 #define SONYPI_BAT1_FULL        0xb2
 128 #define SONYPI_BAT2_MAXTK       0xb8
 129 #define SONYPI_BAT2_FULL        0xba
 130
 131 /* FAN0 information (reverse engineered from ACPI tables) */
 132 #define SONYPI_FAN0_STATUS      0x93
 133 #define SONYPI_TEMP_STATUS      0xC1
 134
 135 /* ioports used for brightness and type2 events */
 136 #define SONYPI_DATA_IOPORT      0x62
 137 #define SONYPI_CST_IOPORT       0x66
 138
 139 /* The set of possible ioports */
 140 struct sonypi_ioport_list {
 141         u16     port1;
 142         u16     port2;
 143 };
 144
 145 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 146         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
 147         { 0x1080, 0x1084 },
 148         { 0x1090, 0x1094 },
 149         { 0x10a0, 0x10a4 },
 150         { 0x10b0, 0x10b4 },
 151         { 0x0, 0x0 }
 152 };
 153
 154 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 155         { 0x1080, 0x1084 },
 156         { 0x10a0, 0x10a4 },
 157         { 0x10c0, 0x10c4 },
 158         { 0x10e0, 0x10e4 },
 159         { 0x0, 0x0 }
 160 };
 161
 162 /* The set of possible interrupts */
 163 struct sonypi_irq_list {
 164         u16     irq;
 165         u16     bits;
 166 };
 167
 168 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 169         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
 170         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
 171         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
 172         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
 173 };
 174
 175 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 176         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
 177         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
 178         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
 179         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
 180         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
 181 };
 182
 183 #define SONYPI_CAMERA_BRIGHTNESS                0
 184 #define SONYPI_CAMERA_CONTRAST                  1
 185 #define SONYPI_CAMERA_HUE                       2
 186 #define SONYPI_CAMERA_COLOR                     3
 187 #define SONYPI_CAMERA_SHARPNESS                 4
 188
 189 #define SONYPI_CAMERA_PICTURE                   5
 190 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
 191 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
 192 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
 193 #define SONYPI_CAMERA_MUTE_MASK                 0x40
 194
 195 /* the rest don't need a loop until not 0xff */
 196 #define SONYPI_CAMERA_AGC                       6
 197 #define SONYPI_CAMERA_AGC_MASK                  0x30
 198 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
 199
 200 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
 201 #define SONYPI_CAMERA_CONTROL                   0x10
 202
 203 #define SONYPI_CAMERA_STATUS                    7
 204 #define SONYPI_CAMERA_STATUS_READY              0x2
 205 #define SONYPI_CAMERA_STATUS_POSITION           0x4
 206
 207 #define SONYPI_DIRECTION_BACKWARDS              0x4
 208
 209 #define SONYPI_CAMERA_REVISION                  8
 210 #define SONYPI_CAMERA_ROMVERSION                9
 211
 212 /* Event masks */
 213 #define SONYPI_JOGGER_MASK                      0x00000001
 214 #define SONYPI_CAPTURE_MASK                     0x00000002
 215 #define SONYPI_FNKEY_MASK                       0x00000004
 216 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 217 #define SONYPI_PKEY_MASK                        0x00000010
 218 #define SONYPI_BACK_MASK                        0x00000020
 219 #define SONYPI_HELP_MASK                        0x00000040
 220 #define SONYPI_LID_MASK                         0x00000080
 221 #define SONYPI_ZOOM_MASK                        0x00000100
 222 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 223 #define SONYPI_MEYE_MASK                        0x00000400
 224 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 225 #define SONYPI_BATTERY_MASK                     0x00001000
 226
 227 struct sonypi_event {
 228         u8      data;
 229         u8      event;
 230 };
 231
 232 /* The set of possible button release events */
 233 static struct sonypi_event sonypi_releaseev[] = {
 234         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 235         { 0, 0 }
 236 };
 237
 238 /* The set of possible jogger events  */
 239 static struct sonypi_event sonypi_joggerev[] = {
 240         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 241         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 242         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 243         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 244         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 245         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 246         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 247         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 248         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 249         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 250         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 251         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 252         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 253         { 0, 0 }
 254 };
 255
 256 /* The set of possible capture button events */
 257 static struct sonypi_event sonypi_captureev[] = {
 258         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 259         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 260         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 261         { 0, 0 }
 262 };
 263
 264 /* The set of possible fnkeys events */
 265 static struct sonypi_event sonypi_fnkeyev[] = {
 266         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 267         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 268         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 269         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 270         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 271         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 272         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 273         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 274         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 275         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 276         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 277         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 278         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 279         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 280         { 0x21, SONYPI_EVENT_FNKEY_1 },
 281         { 0x22, SONYPI_EVENT_FNKEY_2 },
 282         { 0x31, SONYPI_EVENT_FNKEY_D },
 283         { 0x32, SONYPI_EVENT_FNKEY_E },
 284         { 0x33, SONYPI_EVENT_FNKEY_F },
 285         { 0x34, SONYPI_EVENT_FNKEY_S },
 286         { 0x35, SONYPI_EVENT_FNKEY_B },
 287         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 288         { 0, 0 }
 289 };
 290
 291 /* The set of possible program key events */
 292 static struct sonypi_event sonypi_pkeyev[] = {
 293         { 0x01, SONYPI_EVENT_PKEY_P1 },
 294         { 0x02, SONYPI_EVENT_PKEY_P2 },
 295         { 0x04, SONYPI_EVENT_PKEY_P3 },
 296         { 0x5c, SONYPI_EVENT_PKEY_P1 },
 297         { 0, 0 }
 298 };
 299
 300 /* The set of possible bluetooth events */
 301 static struct sonypi_event sonypi_blueev[] = {
 302         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 303         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 304         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 305         { 0, 0 }
 306 };
 307
 308 /* The set of possible back button events */
 309 static struct sonypi_event sonypi_backev[] = {
 310         { 0x20, SONYPI_EVENT_BACK_PRESSED },
 311         { 0, 0 }
 312 };
 313
 314 /* The set of possible help button events */
 315 static struct sonypi_event sonypi_helpev[] = {
 316         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
 317         { 0, 0 }
 318 };
 319
 320
 321 /* The set of possible lid events */
 322 static struct sonypi_event sonypi_lidev[] = {
 323         { 0x51, SONYPI_EVENT_LID_CLOSED },
 324         { 0x50, SONYPI_EVENT_LID_OPENED },
 325         { 0, 0 }
 326 };
 327
 328 /* The set of possible zoom events */
 329 static struct sonypi_event sonypi_zoomev[] = {
 330         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 331         { 0, 0 }
 332 };
 333
 334 /* The set of possible thumbphrase events */
 335 static struct sonypi_event sonypi_thumbphraseev[] = {
 336         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 337         { 0, 0 }
 338 };
 339
 340 /* The set of possible motioneye camera events */
 341 static struct sonypi_event sonypi_meyeev[] = {
 342         { 0x00, SONYPI_EVENT_MEYE_FACE },
 343         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 344         { 0, 0 }
 345 };
 346
 347 /* The set of possible memorystick events */
 348 static struct sonypi_event sonypi_memorystickev[] = {
 349         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 350         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 351         { 0, 0 }
 352 };
 353
 354 /* The set of possible battery events */
 355 static struct sonypi_event sonypi_batteryev[] = {
 356         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
 357         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 358         { 0, 0 }
 359 };
 360
 361 static struct sonypi_eventtypes {
 362         int                     model;
 363         u8                      data;
 364         unsigned long           mask;
 365         struct sonypi_event *   events;
 366 } sonypi_eventtypes[] = {
 367         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 368         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 369         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 370         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 371         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 372         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 373         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 374         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 375         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 376         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 377
 378         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 379         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 380         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 381         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 382         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 383         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 384         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 385         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 386         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_HELP_MASK, sonypi_helpev },
 387         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 388         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 389         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 390         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 391         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 392         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 393
 394         { 0 }
 395 };
 396
 397 #define SONYPI_BUF_SIZE 128
 398
 399 /* The name of the devices for the input device drivers */
 400 #define SONYPI_JOG_INPUTNAME    "Sony Vaio Jogdial"
 401 #define SONYPI_KEY_INPUTNAME    "Sony Vaio Keys"
 402
 403 /* Correspondance table between sonypi events and input layer events */
 404 static struct {
 405         int sonypiev;
 406         int inputev;
 407 } sonypi_inputkeys[] = {
 408         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 409         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 410         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 411         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 412         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 413         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 414         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 415         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 416         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 417         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 418         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 419         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 420         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 421         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 422         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 423         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 424         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 425         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 426         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 427         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 428         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 429         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 430         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 431         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 432         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 433         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 434         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 435         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 436         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 437         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 438         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 439         { 0, 0 },
 440 };
 441
 442 static struct sonypi_device {
 443         struct pci_dev *dev;
 444         struct platform_device *pdev;
 445         u16 irq;
 446         u16 bits;
 447         u16 ioport1;
 448         u16 ioport2;
 449         u16 region_size;
 450         u16 evtype_offset;
 451         int camera_power;
 452         int bluetooth_power;
 453         struct semaphore lock;
 454         struct kfifo *fifo;
 455         spinlock_t fifo_lock;
 456         wait_queue_head_t fifo_proc_list;
 457         struct fasync_struct *fifo_async;
 458         int open_count;
 459         int model;
 460         struct input_dev input_jog_dev;
 461         struct input_dev input_key_dev;
 462         struct work_struct input_work;
 463         struct kfifo *input_fifo;
 464         spinlock_t input_fifo_lock;
 465 } sonypi_device;
 466
 467 #define ITERATIONS_LONG         10000
 468 #define ITERATIONS_SHORT        10
 469
 470 #define wait_on_command(quiet, command, iterations) { \
 471         unsigned int n = iterations; \
 472         while (--n && (command)) \
 473                 udelay(1); \
 474         if (!n && (verbose || !quiet)) \
 475                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 476 }
 477
 478 #ifdef CONFIG_ACPI
 479 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 480 #else
 481 #define SONYPI_ACPI_ACTIVE 0
 482 #endif                          /* CONFIG_ACPI */
 483
 484 static int sonypi_ec_write(u8 addr, u8 value)
 485 {
 486 #ifdef CONFIG_ACPI_EC
 487         if (SONYPI_ACPI_ACTIVE)
 488                 return ec_write(addr, value);
 489 #endif
 490         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 491         outb_p(0x81, SONYPI_CST_IOPORT);
 492         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 493         outb_p(addr, SONYPI_DATA_IOPORT);
 494         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 495         outb_p(value, SONYPI_DATA_IOPORT);
 496         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 497         return 0;
 498 }
 499
 500 static int sonypi_ec_read(u8 addr, u8 *value)
 501 {
 502 #ifdef CONFIG_ACPI_EC
 503         if (SONYPI_ACPI_ACTIVE)
 504                 return ec_read(addr, value);
 505 #endif
 506         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 507         outb_p(0x80, SONYPI_CST_IOPORT);
 508         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 509         outb_p(addr, SONYPI_DATA_IOPORT);
 510         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 511         *value = inb_p(SONYPI_DATA_IOPORT);
 512         return 0;
 513 }
 514
 515 static int ec_read16(u8 addr, u16 *value)
 516 {
 517         u8 val_lb, val_hb;
 518         if (sonypi_ec_read(addr, &val_lb))
 519                 return -1;
 520         if (sonypi_ec_read(addr + 1, &val_hb))
 521                 return -1;
 522         *value = val_lb | (val_hb << 8);
 523         return 0;
 524 }
 525
 526 /* Initializes the device - this comes from the AML code in the ACPI bios */
 527 static void sonypi_type1_srs(void)
 528 {
 529         u32 v;
 530
 531         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 532         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 533         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 534
 535         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 536         v = (v & 0xFFF0FFFF) |
 537             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 538         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 539
 540         v = inl(SONYPI_IRQ_PORT);
 541         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 542         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 543         outl(v, SONYPI_IRQ_PORT);
 544
 545         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 546         v = (v & 0xFF1FFFFF) | 0x00C00000;
 547         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 548 }
 549
 550 static void sonypi_type2_srs(void)
 551 {
 552         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 553                 printk(KERN_WARNING "ec_write failed\n");
 554         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 555                 printk(KERN_WARNING "ec_write failed\n");
 556         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 557                 printk(KERN_WARNING "ec_write failed\n");
 558         udelay(10);
 559 }
 560
 561 /* Disables the device - this comes from the AML code in the ACPI bios */
 562 static void sonypi_type1_dis(void)
 563 {
 564         u32 v;
 565
 566         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 567         v = v & 0xFF3FFFFF;
 568         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 569
 570         v = inl(SONYPI_IRQ_PORT);
 571         v |= (0x3 << SONYPI_IRQ_SHIFT);
 572         outl(v, SONYPI_IRQ_PORT);
 573 }
 574
 575 static void sonypi_type2_dis(void)
 576 {
 577         if (sonypi_ec_write(SONYPI_SHIB, 0))
 578                 printk(KERN_WARNING "ec_write failed\n");
 579         if (sonypi_ec_write(SONYPI_SLOB, 0))
 580                 printk(KERN_WARNING "ec_write failed\n");
 581         if (sonypi_ec_write(SONYPI_SIRQ, 0))
 582                 printk(KERN_WARNING "ec_write failed\n");
 583 }
 584
 585 static u8 sonypi_call1(u8 dev)
 586 {
 587         u8 v1, v2;
 588
 589         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 590         outb(dev, sonypi_device.ioport2);
 591         v1 = inb_p(sonypi_device.ioport2);
 592         v2 = inb_p(sonypi_device.ioport1);
 593         return v2;
 594 }
 595
 596 static u8 sonypi_call2(u8 dev, u8 fn)
 597 {
 598         u8 v1;
 599
 600         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 601         outb(dev, sonypi_device.ioport2);
 602         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 603         outb(fn, sonypi_device.ioport1);
 604         v1 = inb_p(sonypi_device.ioport1);
 605         return v1;
 606 }
 607
 608 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 609 {
 610         u8 v1;
 611
 612         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 613         outb(dev, sonypi_device.ioport2);
 614         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 615         outb(fn, sonypi_device.ioport1);
 616         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 617         outb(v, sonypi_device.ioport1);
 618         v1 = inb_p(sonypi_device.ioport1);
 619         return v1;
 620 }
 621
 622 #if 0
 623 /* Get brightness, hue etc. Unreliable... */
 624 static u8 sonypi_read(u8 fn)
 625 {
 626         u8 v1, v2;
 627         int n = 100;
 628
 629         while (n--) {
 630                 v1 = sonypi_call2(0x8f, fn);
 631                 v2 = sonypi_call2(0x8f, fn);
 632                 if (v1 == v2 && v1 != 0xff)
 633                         return v1;
 634         }
 635         return 0xff;
 636 }
 637 #endif
 638
 639 /* Set brightness, hue etc */
 640 static void sonypi_set(u8 fn, u8 v)
 641 {
 642         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 643 }
 644
 645 /* Tests if the camera is ready */
 646 static int sonypi_camera_ready(void)
 647 {
 648         u8 v;
 649
 650         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 651         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 652 }
 653
 654 /* Turns the camera off */
 655 static void sonypi_camera_off(void)
 656 {
 657         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 658
 659         if (!sonypi_device.camera_power)
 660                 return;
 661
 662         sonypi_call2(0x91, 0);
 663         sonypi_device.camera_power = 0;
 664 }
 665
 666 /* Turns the camera on */
 667 static void sonypi_camera_on(void)
 668 {
 669         int i, j;
 670
 671         if (sonypi_device.camera_power)
 672                 return;
 673
 674         for (j = 5; j > 0; j--) {
 675
 676                 while (sonypi_call2(0x91, 0x1))
 677                         msleep(10);
 678                 sonypi_call1(0x93);
 679
 680                 for (i = 400; i > 0; i--) {
 681                         if (sonypi_camera_ready())
 682                                 break;
 683                         msleep(10);
 684                 }
 685                 if (i)
 686                         break;
 687         }
 688
 689         if (j == 0) {
 690                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
 691                 return;
 692         }
 693
 694         sonypi_set(0x10, 0x5a);
 695         sonypi_device.camera_power = 1;
 696 }
 697
 698 /* sets the bluetooth subsystem power state */
 699 static void sonypi_setbluetoothpower(u8 state)
 700 {
 701         state = !!state;
 702
 703         if (sonypi_device.bluetooth_power == state)
 704                 return;
 705
 706         sonypi_call2(0x96, state);
 707         sonypi_call1(0x82);
 708         sonypi_device.bluetooth_power = state;
 709 }
 710
 711 static void input_keyrelease(void *data)
 712 {
 713         struct input_dev *input_dev;
 714         int key;
 715
 716         while (1) {
 717                 if (kfifo_get(sonypi_device.input_fifo,
 718                               (unsigned char *)&input_dev,
 719                               sizeof(input_dev)) != sizeof(input_dev))
 720                         return;
 721                 if (kfifo_get(sonypi_device.input_fifo,
 722                               (unsigned char *)&key,
 723                               sizeof(key)) != sizeof(key))
 724                         return;
 725
 726                 msleep(10);
 727                 input_report_key(input_dev, key, 0);
 728                 input_sync(input_dev);
 729         }
 730 }
 731
 732 /* Interrupt handler: some event is available */
 733 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
 734 {
 735         u8 v1, v2, event = 0;
 736         int i, j;
 737
 738         v1 = inb_p(sonypi_device.ioport1);
 739         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 740
 741         for (i = 0; sonypi_eventtypes[i].model; i++) {
 742                 if (sonypi_device.model != sonypi_eventtypes[i].model)
 743                         continue;
 744                 if ((v2 & sonypi_eventtypes[i].data) !=
 745                     sonypi_eventtypes[i].data)
 746                         continue;
 747                 if (!(mask & sonypi_eventtypes[i].mask))
 748                         continue;
 749                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 750                         if (v1 == sonypi_eventtypes[i].events[j].data) {
 751                                 event = sonypi_eventtypes[i].events[j].event;
 752                                 goto found;
 753                         }
 754                 }
 755         }
 756
 757         if (verbose)
 758                 printk(KERN_WARNING
 759                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 760                        v1, v2);
 761         /* We need to return IRQ_HANDLED here because there *are*
 762          * events belonging to the sonypi device we don't know about,
 763          * but we still don't want those to pollute the logs... */
 764         return IRQ_HANDLED;
 765
 766 found:
 767         if (verbose > 1)
 768                 printk(KERN_INFO
 769                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 770
 771         if (useinput) {
 772                 struct input_dev *input_jog_dev = &sonypi_device.input_jog_dev;
 773                 struct input_dev *input_key_dev = &sonypi_device.input_key_dev;
 774                 switch (event) {
 775                 case SONYPI_EVENT_JOGDIAL_UP:
 776                 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 777                         input_report_rel(input_jog_dev, REL_WHEEL, 1);
 778                         break;
 779                 case SONYPI_EVENT_JOGDIAL_DOWN:
 780                 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 781                         input_report_rel(input_jog_dev, REL_WHEEL, -1);
 782                         break;
 783                 case SONYPI_EVENT_JOGDIAL_PRESSED: {
 784                         int key = BTN_MIDDLE;
 785                         input_report_key(input_jog_dev, key, 1);
 786                         kfifo_put(sonypi_device.input_fifo,
 787                                   (unsigned char *)&input_jog_dev,
 788                                   sizeof(input_jog_dev));
 789                         kfifo_put(sonypi_device.input_fifo,
 790                                   (unsigned char *)&key, sizeof(key));
 791                         break;
 792                 }
 793                 case SONYPI_EVENT_FNKEY_RELEASED:
 794                         /* Nothing, not all VAIOs generate this event */
 795                         break;
 796                 }
 797                 input_sync(input_jog_dev);
 798
 799                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) {
 800                         int key;
 801
 802                         if (event != sonypi_inputkeys[i].sonypiev)
 803                                 continue;
 804
 805                         key = sonypi_inputkeys[i].inputev;
 806                         input_report_key(input_key_dev, key, 1);
 807                         kfifo_put(sonypi_device.input_fifo,
 808                                   (unsigned char *)&input_key_dev,
 809                                   sizeof(input_key_dev));
 810                         kfifo_put(sonypi_device.input_fifo,
 811                                   (unsigned char *)&key, sizeof(key));
 812                 }
 813                 input_sync(input_key_dev);
 814                 schedule_work(&sonypi_device.input_work);
 815         }
 816
 817         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 818         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 819         wake_up_interruptible(&sonypi_device.fifo_proc_list);
 820
 821         return IRQ_HANDLED;
 822 }
 823
 824 /* External camera command (exported to the motion eye v4l driver) */
 825 int sonypi_camera_command(int command, u8 value)
 826 {
 827         if (!camera)
 828                 return -EIO;
 829
 830         down(&sonypi_device.lock);
 831
 832         switch (command) {
 833         case SONYPI_COMMAND_SETCAMERA:
 834                 if (value)
 835                         sonypi_camera_on();
 836                 else
 837                         sonypi_camera_off();
 838                 break;
 839         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 840                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 841                 break;
 842         case SONYPI_COMMAND_SETCAMERACONTRAST:
 843                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 844                 break;
 845         case SONYPI_COMMAND_SETCAMERAHUE:
 846                 sonypi_set(SONYPI_CAMERA_HUE, value);
 847                 break;
 848         case SONYPI_COMMAND_SETCAMERACOLOR:
 849                 sonypi_set(SONYPI_CAMERA_COLOR, value);
 850                 break;
 851         case SONYPI_COMMAND_SETCAMERASHARPNESS:
 852                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 853                 break;
 854         case SONYPI_COMMAND_SETCAMERAPICTURE:
 855                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
 856                 break;
 857         case SONYPI_COMMAND_SETCAMERAAGC:
 858                 sonypi_set(SONYPI_CAMERA_AGC, value);
 859                 break;
 860         default:
 861                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 862                        command);
 863                 break;
 864         }
 865         up(&sonypi_device.lock);
 866         return 0;
 867 }
 868
 869 EXPORT_SYMBOL(sonypi_camera_command);
 870
 871 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 872 {
 873         int retval;
 874
 875         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 876         if (retval < 0)
 877                 return retval;
 878         return 0;
 879 }
 880
 881 static int sonypi_misc_release(struct inode *inode, struct file *file)
 882 {
 883         sonypi_misc_fasync(-1, file, 0);
 884         down(&sonypi_device.lock);
 885         sonypi_device.open_count--;
 886         up(&sonypi_device.lock);
 887         return 0;
 888 }
 889
 890 static int sonypi_misc_open(struct inode *inode, struct file *file)
 891 {
 892         down(&sonypi_device.lock);
 893         /* Flush input queue on first open */
 894         if (!sonypi_device.open_count)
 895                 kfifo_reset(sonypi_device.fifo);
 896         sonypi_device.open_count++;
 897         up(&sonypi_device.lock);
 898         return 0;
 899 }
 900
 901 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 902                                 size_t count, loff_t *pos)
 903 {
 904         ssize_t ret;
 905         unsigned char c;
 906
 907         if ((kfifo_len(sonypi_device.fifo) == 0) &&
 908             (file->f_flags & O_NONBLOCK))
 909                 return -EAGAIN;
 910
 911         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 912                                        kfifo_len(sonypi_device.fifo) != 0);
 913         if (ret)
 914                 return ret;
 915
 916         while (ret < count &&
 917                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 918                 if (put_user(c, buf++))
 919                         return -EFAULT;
 920                 ret++;
 921         }
 922
 923         if (ret > 0) {
 924                 struct inode *inode = file->f_dentry->d_inode;
 925                 inode->i_atime = current_fs_time(inode->i_sb);
 926         }
 927
 928         return ret;
 929 }
 930
 931 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 932 {
 933         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 934         if (kfifo_len(sonypi_device.fifo))
 935                 return POLLIN | POLLRDNORM;
 936         return 0;
 937 }
 938
 939 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 940                              unsigned int cmd, unsigned long arg)
 941 {
 942         int ret = 0;
 943         void __user *argp = (void __user *)arg;
 944         u8 val8;
 945         u16 val16;
 946
 947         down(&sonypi_device.lock);
 948         switch (cmd) {
 949         case SONYPI_IOCGBRT:
 950                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 951                         ret = -EIO;
 952                         break;
 953                 }
 954                 if (copy_to_user(argp, &val8, sizeof(val8)))
 955                         ret = -EFAULT;
 956                 break;
 957         case SONYPI_IOCSBRT:
 958                 if (copy_from_user(&val8, argp, sizeof(val8))) {
 959                         ret = -EFAULT;
 960                         break;
 961                 }
 962                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 963                         ret = -EIO;
 964                 break;
 965         case SONYPI_IOCGBAT1CAP:
 966                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 967                         ret = -EIO;
 968                         break;
 969                 }
 970                 if (copy_to_user(argp, &val16, sizeof(val16)))
 971                         ret = -EFAULT;
 972                 break;
 973         case SONYPI_IOCGBAT1REM:
 974                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 975                         ret = -EIO;
 976                         break;
 977                 }
 978                 if (copy_to_user(argp, &val16, sizeof(val16)))
 979                         ret = -EFAULT;
 980                 break;
 981         case SONYPI_IOCGBAT2CAP:
 982                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
 983                         ret = -EIO;
 984                         break;
 985                 }
 986                 if (copy_to_user(argp, &val16, sizeof(val16)))
 987                         ret = -EFAULT;
 988                 break;
 989         case SONYPI_IOCGBAT2REM:
 990                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
 991                         ret = -EIO;
 992                         break;
 993                 }
 994                 if (copy_to_user(argp, &val16, sizeof(val16)))
 995                         ret = -EFAULT;
 996                 break;
 997         case SONYPI_IOCGBATFLAGS:
 998                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
 999                         ret = -EIO;
1000                         break;
1001                 }
1002                 val8 &= 0x07;
1003                 if (copy_to_user(argp, &val8, sizeof(val8)))
1004                         ret = -EFAULT;
1005                 break;
1006         case SONYPI_IOCGBLUE:
1007                 val8 = sonypi_device.bluetooth_power;
1008                 if (copy_to_user(argp, &val8, sizeof(val8)))
1009                         ret = -EFAULT;
1010                 break;
1011         case SONYPI_IOCSBLUE:
1012                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1013                         ret = -EFAULT;
1014                         break;
1015                 }
1016                 sonypi_setbluetoothpower(val8);
1017                 break;
1018         /* FAN Controls */
1019         case SONYPI_IOCGFAN:
1020                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1021                         ret = -EIO;
1022                         break;
1023                 }
1024                 if (copy_to_user((u8 *)arg, &val8, sizeof(val8)))
1025                         ret = -EFAULT;
1026                 break;
1027         case SONYPI_IOCSFAN:
1028                 if (copy_from_user(&val8, (u8 *)arg, sizeof(val8))) {
1029                         ret = -EFAULT;
1030                         break;
1031                 }
1032                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1033                         ret = -EIO;
1034                 break;
1035         /* GET Temperature (useful under APM) */
1036         case SONYPI_IOCGTEMP:
1037                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1038                         ret = -EIO;
1039                         break;
1040                 }
1041                 if (copy_to_user((u8 *)arg, &val8, sizeof(val8)))
1042                         ret = -EFAULT;
1043                 break;
1044         default:
1045                 ret = -EINVAL;
1046         }
1047         up(&sonypi_device.lock);
1048         return ret;
1049 }
1050
1051 static struct file_operations sonypi_misc_fops = {
1052         .owner          = THIS_MODULE,
1053         .read           = sonypi_misc_read,
1054         .poll           = sonypi_misc_poll,
1055         .open           = sonypi_misc_open,
1056         .release        = sonypi_misc_release,
1057         .fasync         = sonypi_misc_fasync,
1058         .ioctl          = sonypi_misc_ioctl,
1059 };
1060
1061 static struct miscdevice sonypi_misc_device = {
1062         .minor          = MISC_DYNAMIC_MINOR,
1063         .name           = "sonypi",
1064         .fops           = &sonypi_misc_fops,
1065 };
1066
1067 static void sonypi_enable(unsigned int camera_on)
1068 {
1069         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1070                 sonypi_type2_srs();
1071         else
1072                 sonypi_type1_srs();
1073
1074         sonypi_call1(0x82);
1075         sonypi_call2(0x81, 0xff);
1076         sonypi_call1(compat ? 0x92 : 0x82);
1077
1078         /* Enable ACPI mode to get Fn key events */
1079         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1080                 outb(0xf0, 0xb2);
1081
1082         if (camera && camera_on)
1083                 sonypi_camera_on();
1084 }
1085
1086 static int sonypi_disable(void)
1087 {
1088         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1089         if (camera)
1090                 sonypi_camera_off();
1091
1092         /* disable ACPI mode */
1093         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1094                 outb(0xf1, 0xb2);
1095
1096         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1097                 sonypi_type2_dis();
1098         else
1099                 sonypi_type1_dis();
1100         return 0;
1101 }
1102
1103 #ifdef CONFIG_PM
1104 static int old_camera_power;
1105
1106 static int sonypi_suspend(struct device *dev, u32 state, u32 level)
1107 {
1108         if (level == SUSPEND_DISABLE) {
1109                 old_camera_power = sonypi_device.camera_power;
1110                 sonypi_disable();
1111         }
1112         return 0;
1113 }
1114
1115 static int sonypi_resume(struct device *dev, u32 level)
1116 {
1117         if (level == RESUME_ENABLE)
1118                 sonypi_enable(old_camera_power);
1119         return 0;
1120 }
1121 #endif
1122
1123 static void sonypi_shutdown(struct device *dev)
1124 {
1125         sonypi_disable();
1126 }
1127
1128 static struct device_driver sonypi_driver = {
1129         .name           = "sonypi",
1130         .bus            = &platform_bus_type,
1131 #ifdef CONFIG_PM
1132         .suspend        = sonypi_suspend,
1133         .resume         = sonypi_resume,
1134 #endif
1135         .shutdown       = sonypi_shutdown,
1136 };
1137
1138 static int __devinit sonypi_probe(void)
1139 {
1140         int i, ret;
1141         struct sonypi_ioport_list *ioport_list;
1142         struct sonypi_irq_list *irq_list;
1143         struct pci_dev *pcidev;
1144
1145         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1146                                 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1147
1148         sonypi_device.dev = pcidev;
1149         sonypi_device.model = pcidev ?
1150                 SONYPI_DEVICE_MODEL_TYPE1 : SONYPI_DEVICE_MODEL_TYPE2;
1151
1152         spin_lock_init(&sonypi_device.fifo_lock);
1153         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1154                                          &sonypi_device.fifo_lock);
1155         if (IS_ERR(sonypi_device.fifo)) {
1156                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1157                 ret = PTR_ERR(sonypi_device.fifo);
1158                 goto out_fifo;
1159         }
1160
1161         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1162         init_MUTEX(&sonypi_device.lock);
1163         sonypi_device.bluetooth_power = -1;
1164
1165         if (pcidev && pci_enable_device(pcidev)) {
1166                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1167                 ret = -EIO;
1168                 goto out_pcienable;
1169         }
1170
1171         if (minor != -1)
1172                 sonypi_misc_device.minor = minor;
1173         if ((ret = misc_register(&sonypi_misc_device))) {
1174                 printk(KERN_ERR "sonypi: misc_register failed\n");
1175                 goto out_miscreg;
1176         }
1177
1178         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1179                 ioport_list = sonypi_type2_ioport_list;
1180                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1181                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1182                 irq_list = sonypi_type2_irq_list;
1183         } else {
1184                 ioport_list = sonypi_type1_ioport_list;
1185                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1186                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1187                 irq_list = sonypi_type1_irq_list;
1188         }
1189
1190         for (i = 0; ioport_list[i].port1; i++) {
1191                 if (request_region(ioport_list[i].port1,
1192                                    sonypi_device.region_size,
1193                                    "Sony Programable I/O Device")) {
1194                         /* get the ioport */
1195                         sonypi_device.ioport1 = ioport_list[i].port1;
1196                         sonypi_device.ioport2 = ioport_list[i].port2;
1197                         break;
1198                 }
1199         }
1200         if (!sonypi_device.ioport1) {
1201                 printk(KERN_ERR "sonypi: request_region failed\n");
1202                 ret = -ENODEV;
1203                 goto out_reqreg;
1204         }
1205
1206         for (i = 0; irq_list[i].irq; i++) {
1207
1208                 sonypi_device.irq = irq_list[i].irq;
1209                 sonypi_device.bits = irq_list[i].bits;
1210
1211                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1212                                  SA_SHIRQ, "sonypi", sonypi_irq))
1213                         break;
1214         }
1215
1216         if (!irq_list[i].irq) {
1217                 printk(KERN_ERR "sonypi: request_irq failed\n");
1218                 ret = -ENODEV;
1219                 goto out_reqirq;
1220         }
1221
1222         if (useinput) {
1223                 /* Initialize the Input Drivers: jogdial */
1224                 int i;
1225                 sonypi_device.input_jog_dev.evbit[0] =
1226                         BIT(EV_KEY) | BIT(EV_REL);
1227                 sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1228                         BIT(BTN_MIDDLE);
1229                 sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1230                 sonypi_device.input_jog_dev.name =
1231                         kmalloc(sizeof(SONYPI_JOG_INPUTNAME), GFP_KERNEL);
1232                 if (!sonypi_device.input_jog_dev.name) {
1233                         printk(KERN_ERR "sonypi: kmalloc failed\n");
1234                         ret = -ENOMEM;
1235                         goto out_inkmallocinput1;
1236                 }
1237                 sprintf(sonypi_device.input_jog_dev.name, SONYPI_JOG_INPUTNAME);
1238                 sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1239                 sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1240
1241                 input_register_device(&sonypi_device.input_jog_dev);
1242                 printk(KERN_INFO "%s input method installed.\n",
1243                        sonypi_device.input_jog_dev.name);
1244
1245                 /* Initialize the Input Drivers: special keys */
1246                 sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1247                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1248                         if (sonypi_inputkeys[i].inputev)
1249                                 set_bit(sonypi_inputkeys[i].inputev,
1250                                         sonypi_device.input_key_dev.keybit);
1251                 sonypi_device.input_key_dev.name =
1252                         kmalloc(sizeof(SONYPI_KEY_INPUTNAME), GFP_KERNEL);
1253                 if (!sonypi_device.input_key_dev.name) {
1254                         printk(KERN_ERR "sonypi: kmalloc failed\n");
1255                         ret = -ENOMEM;
1256                         goto out_inkmallocinput2;
1257                 }
1258                 sprintf(sonypi_device.input_key_dev.name, SONYPI_KEY_INPUTNAME);
1259                 sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1260                 sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1261
1262                 input_register_device(&sonypi_device.input_key_dev);
1263                 printk(KERN_INFO "%s input method installed.\n",
1264                        sonypi_device.input_key_dev.name);
1265
1266                 spin_lock_init(&sonypi_device.input_fifo_lock);
1267                 sonypi_device.input_fifo =
1268                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1269                                     &sonypi_device.input_fifo_lock);
1270                 if (IS_ERR(sonypi_device.input_fifo)) {
1271                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1272                         ret = PTR_ERR(sonypi_device.input_fifo);
1273                         goto out_infifo;
1274                 }
1275
1276                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1277         }
1278
1279         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1280                                                              NULL, 0);
1281         if (IS_ERR(sonypi_device.pdev)) {
1282                 ret = PTR_ERR(sonypi_device.pdev);
1283                 goto out_platformdev;
1284         }
1285
1286         sonypi_enable(0);
1287
1288         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1289                "v%s.\n", SONYPI_DRIVER_VERSION);
1290         printk(KERN_INFO "sonypi: detected %s model, "
1291                "verbose = %d, fnkeyinit = %s, camera = %s, "
1292                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1293                (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) ?
1294                         "type1" : "type2",
1295                verbose,
1296                fnkeyinit ? "on" : "off",
1297                camera ? "on" : "off",
1298                compat ? "on" : "off",
1299                mask,
1300                useinput ? "on" : "off",
1301                SONYPI_ACPI_ACTIVE ? "on" : "off");
1302         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1303                sonypi_device.irq,
1304                sonypi_device.ioport1, sonypi_device.ioport2);
1305
1306         if (minor == -1)
1307                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1308                        sonypi_misc_device.minor);
1309
1310         return 0;
1311
1312 out_platformdev:
1313         kfifo_free(sonypi_device.input_fifo);
1314 out_infifo:
1315         input_unregister_device(&sonypi_device.input_key_dev);
1316         kfree(sonypi_device.input_key_dev.name);
1317 out_inkmallocinput2:
1318         input_unregister_device(&sonypi_device.input_jog_dev);
1319         kfree(sonypi_device.input_jog_dev.name);
1320 out_inkmallocinput1:
1321         free_irq(sonypi_device.irq, sonypi_irq);
1322 out_reqirq:
1323         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1324 out_reqreg:
1325         misc_deregister(&sonypi_misc_device);
1326 out_miscreg:
1327         if (pcidev)
1328                 pci_disable_device(pcidev);
1329 out_pcienable:
1330         kfifo_free(sonypi_device.fifo);
1331 out_fifo:
1332         pci_dev_put(sonypi_device.dev);
1333         return ret;
1334 }
1335
1336 static void __devexit sonypi_remove(void)
1337 {
1338         sonypi_disable();
1339
1340         platform_device_unregister(sonypi_device.pdev);
1341
1342         if (useinput) {
1343                 input_unregister_device(&sonypi_device.input_key_dev);
1344                 kfree(sonypi_device.input_key_dev.name);
1345                 input_unregister_device(&sonypi_device.input_jog_dev);
1346                 kfree(sonypi_device.input_jog_dev.name);
1347                 kfifo_free(sonypi_device.input_fifo);
1348         }
1349
1350         free_irq(sonypi_device.irq, sonypi_irq);
1351         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1352         misc_deregister(&sonypi_misc_device);
1353         if (sonypi_device.dev)
1354                 pci_disable_device(sonypi_device.dev);
1355         kfifo_free(sonypi_device.fifo);
1356         pci_dev_put(sonypi_device.dev);
1357         printk(KERN_INFO "sonypi: removed.\n");
1358 }
1359
1360 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1361         {
1362                 .ident = "Sony Vaio",
1363                 .matches = {
1364                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1365                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1366                 },
1367         },
1368         {
1369                 .ident = "Sony Vaio",
1370                 .matches = {
1371                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1372                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1373                 },
1374         },
1375         { }
1376 };
1377
1378 static int __init sonypi_init(void)
1379 {
1380         int ret;
1381
1382         if (!dmi_check_system(sonypi_dmi_table))
1383                 return -ENODEV;
1384
1385         ret = driver_register(&sonypi_driver);
1386         if (ret)
1387                 return ret;
1388
1389         ret = sonypi_probe();
1390         if (ret)
1391                 driver_unregister(&sonypi_driver);
1392
1393         return ret;
1394 }
1395
1396 static void __exit sonypi_exit(void)
1397 {
1398         driver_unregister(&sonypi_driver);
1399         sonypi_remove();
1400 }
1401
1402 module_init(sonypi_init);
1403 module_exit(sonypi_exit);