drivers/platform/x86/sony-laptop.c

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #include <linux/kernel.h>
  46 #include <linux/module.h>
  47 #include <linux/moduleparam.h>
  48 #include <linux/init.h>
  49 #include <linux/types.h>
  50 #include <linux/backlight.h>
  51 #include <linux/platform_device.h>
  52 #include <linux/err.h>
  53 #include <linux/dmi.h>
  54 #include <linux/pci.h>
  55 #include <linux/interrupt.h>
  56 #include <linux/delay.h>
  57 #include <linux/input.h>
  58 #include <linux/kfifo.h>
  59 #include <linux/workqueue.h>
  60 #include <linux/acpi.h>
  61 #include <linux/slab.h>
  62 #include <acpi/acpi_drivers.h>
  63 #include <acpi/acpi_bus.h>
  64 #include <asm/uaccess.h>
  65 #include <linux/sonypi.h>
  66 #include <linux/sony-laptop.h>
  67 #include <linux/rfkill.h>
  68 #ifdef CONFIG_SONYPI_COMPAT
  69 #include <linux/poll.h>
  70 #include <linux/miscdevice.h>
  71 #endif
  72
  73 #define DRV_PFX                 "sony-laptop: "
  74 #define dprintk(msg...)         do {                    \
  75         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  76 } while (0)
  77
  78 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  79
  80 #define SONY_NC_CLASS           "sony-nc"
  81 #define SONY_NC_HID             "SNY5001"
  82 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  83
  84 #define SONY_PIC_CLASS          "sony-pic"
  85 #define SONY_PIC_HID            "SNY6001"
  86 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  87
  88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  90 MODULE_LICENSE("GPL");
  91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  92
  93 static int debug;
  94 module_param(debug, int, 0);
  95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  96                  "the development of this driver");
  97
  98 static int no_spic;             /* = 0 */
  99 module_param(no_spic, int, 0444);
 100 MODULE_PARM_DESC(no_spic,
 101                  "set this if you don't want to enable the SPIC device");
 102
 103 static int compat;              /* = 0 */
 104 module_param(compat, int, 0444);
 105 MODULE_PARM_DESC(compat,
 106                  "set this if you want to enable backward compatibility mode");
 107
 108 static unsigned long mask = 0xffffffff;
 109 module_param(mask, ulong, 0644);
 110 MODULE_PARM_DESC(mask,
 111                  "set this to the mask of event you want to enable (see doc)");
 112
 113 static int camera;              /* = 0 */
 114 module_param(camera, int, 0444);
 115 MODULE_PARM_DESC(camera,
 116                  "set this to 1 to enable Motion Eye camera controls "
 117                  "(only use it if you have a C1VE or C1VN model)");
 118
 119 #ifdef CONFIG_SONYPI_COMPAT
 120 static int minor = -1;
 121 module_param(minor, int, 0);
 122 MODULE_PARM_DESC(minor,
 123                  "minor number of the misc device for the SPIC compatibility code, "
 124                  "default is -1 (automatic)");
 125 #endif
 126
 127 enum sony_nc_rfkill {
 128         SONY_WIFI,
 129         SONY_BLUETOOTH,
 130         SONY_WWAN,
 131         SONY_WIMAX,
 132         N_SONY_RFKILL,
 133 };
 134
 135 static int sony_rfkill_handle;
 136 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 137 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 138 static void sony_nc_rfkill_update(void);
 139
 140 /*********** Input Devices ***********/
 141
 142 #define SONY_LAPTOP_BUF_SIZE    128
 143 struct sony_laptop_input_s {
 144         atomic_t                users;
 145         struct input_dev        *jog_dev;
 146         struct input_dev        *key_dev;
 147         struct kfifo            fifo;
 148         spinlock_t              fifo_lock;
 149         struct timer_list       release_key_timer;
 150 };
 151
 152 static struct sony_laptop_input_s sony_laptop_input = {
 153         .users = ATOMIC_INIT(0),
 154 };
 155
 156 struct sony_laptop_keypress {
 157         struct input_dev *dev;
 158         int key;
 159 };
 160
 161 /* Correspondance table between sonypi events
 162  * and input layer indexes in the keymap
 163  */
 164 static int sony_laptop_input_index[] = {
 165         -1,     /*  0 no event */
 166         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 167         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 168         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 169         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 170         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 171         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 172          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 173          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 174          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 175          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 176          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 177          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 178          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 179          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 180          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 181          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 182         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 183         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 184         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 185         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 186         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 187         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 188         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 189         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 190         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 191         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 192         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 193         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 194         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 195         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 196         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 197         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 198         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 199         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 200         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 201         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 202         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 203         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 204         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 205         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 206         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 207         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 208         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 209         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 210         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 211         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 212         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 213         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 214         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 215         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 216         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 217         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 218         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 219         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 220         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 221         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 222         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 223         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 224         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 225         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 226         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 227         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 228         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 229         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 230         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 231         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 232         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 233         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 234         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 235         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 236         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 237         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 238         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
 239 };
 240
 241 static int sony_laptop_input_keycode_map[] = {
 242         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 243         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 244         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 245         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 246         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 247         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 248         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 249         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 250         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 251         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 252         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 253         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 254         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 255         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 256         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 257         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 258         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 259         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 260         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 261         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 262         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 263         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 264         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 265         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 266         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 267         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 268         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 269         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 270         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 271         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 272         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 273         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 274         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 275         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 276         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 277         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 278         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 279         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 280         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 281         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 282         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 283         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 284         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 285         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 286         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 287         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 288         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 289         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 290         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 291         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 292         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 293         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 294         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 295         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 296         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 297         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 298         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 299         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 300         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 301         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
 302 };
 303
 304 /* release buttons after a short delay if pressed */
 305 static void do_sony_laptop_release_key(unsigned long unused)
 306 {
 307         struct sony_laptop_keypress kp;
 308         unsigned long flags;
 309
 310         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 311
 312         if (kfifo_out(&sony_laptop_input.fifo,
 313                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 314                 input_report_key(kp.dev, kp.key, 0);
 315                 input_sync(kp.dev);
 316         }
 317
 318         /* If there is something in the fifo schedule next release. */
 319         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 320                 mod_timer(&sony_laptop_input.release_key_timer,
 321                           jiffies + msecs_to_jiffies(10));
 322
 323         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 324 }
 325
 326 /* forward event to the input subsystem */
 327 static void sony_laptop_report_input_event(u8 event)
 328 {
 329         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 330         struct input_dev *key_dev = sony_laptop_input.key_dev;
 331         struct sony_laptop_keypress kp = { NULL };
 332
 333         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 334                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 335                 /* Nothing, not all VAIOs generate this event */
 336                 return;
 337         }
 338
 339         /* report events */
 340         switch (event) {
 341         /* jog_dev events */
 342         case SONYPI_EVENT_JOGDIAL_UP:
 343         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 344                 input_report_rel(jog_dev, REL_WHEEL, 1);
 345                 input_sync(jog_dev);
 346                 return;
 347
 348         case SONYPI_EVENT_JOGDIAL_DOWN:
 349         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 350                 input_report_rel(jog_dev, REL_WHEEL, -1);
 351                 input_sync(jog_dev);
 352                 return;
 353
 354         /* key_dev events */
 355         case SONYPI_EVENT_JOGDIAL_PRESSED:
 356                 kp.key = BTN_MIDDLE;
 357                 kp.dev = jog_dev;
 358                 break;
 359
 360         default:
 361                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 362                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 363                         break;
 364                 }
 365                 if (sony_laptop_input_index[event] != -1) {
 366                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 367                         if (kp.key != KEY_UNKNOWN)
 368                                 kp.dev = key_dev;
 369                 }
 370                 break;
 371         }
 372
 373         if (kp.dev) {
 374                 input_report_key(kp.dev, kp.key, 1);
 375                 /* we emit the scancode so we can always remap the key */
 376                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 377                 input_sync(kp.dev);
 378
 379                 /* schedule key release */
 380                 kfifo_in_locked(&sony_laptop_input.fifo,
 381                                 (unsigned char *)&kp, sizeof(kp),
 382                                 &sony_laptop_input.fifo_lock);
 383                 mod_timer(&sony_laptop_input.release_key_timer,
 384                           jiffies + msecs_to_jiffies(10));
 385         } else
 386                 dprintk("unknown input event %.2x\n", event);
 387 }
 388
 389 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 390 {
 391         struct input_dev *jog_dev;
 392         struct input_dev *key_dev;
 393         int i;
 394         int error;
 395
 396         /* don't run again if already initialized */
 397         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 398                 return 0;
 399
 400         /* kfifo */
 401         spin_lock_init(&sony_laptop_input.fifo_lock);
 402         error = kfifo_alloc(&sony_laptop_input.fifo,
 403                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 404         if (error) {
 405                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 406                 goto err_dec_users;
 407         }
 408
 409         setup_timer(&sony_laptop_input.release_key_timer,
 410                     do_sony_laptop_release_key, 0);
 411
 412         /* input keys */
 413         key_dev = input_allocate_device();
 414         if (!key_dev) {
 415                 error = -ENOMEM;
 416                 goto err_free_kfifo;
 417         }
 418
 419         key_dev->name = "Sony Vaio Keys";
 420         key_dev->id.bustype = BUS_ISA;
 421         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 422         key_dev->dev.parent = &acpi_device->dev;
 423
 424         /* Initialize the Input Drivers: special keys */
 425         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 426
 427         __set_bit(EV_KEY, key_dev->evbit);
 428         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 429         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 430         key_dev->keycode = &sony_laptop_input_keycode_map;
 431         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 432                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 433         __clear_bit(KEY_RESERVED, key_dev->keybit);
 434
 435         error = input_register_device(key_dev);
 436         if (error)
 437                 goto err_free_keydev;
 438
 439         sony_laptop_input.key_dev = key_dev;
 440
 441         /* jogdial */
 442         jog_dev = input_allocate_device();
 443         if (!jog_dev) {
 444                 error = -ENOMEM;
 445                 goto err_unregister_keydev;
 446         }
 447
 448         jog_dev->name = "Sony Vaio Jogdial";
 449         jog_dev->id.bustype = BUS_ISA;
 450         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 451         key_dev->dev.parent = &acpi_device->dev;
 452
 453         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 454         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 455
 456         error = input_register_device(jog_dev);
 457         if (error)
 458                 goto err_free_jogdev;
 459
 460         sony_laptop_input.jog_dev = jog_dev;
 461
 462         return 0;
 463
 464 err_free_jogdev:
 465         input_free_device(jog_dev);
 466
 467 err_unregister_keydev:
 468         input_unregister_device(key_dev);
 469         /* to avoid kref underflow below at input_free_device */
 470         key_dev = NULL;
 471
 472 err_free_keydev:
 473         input_free_device(key_dev);
 474
 475 err_free_kfifo:
 476         kfifo_free(&sony_laptop_input.fifo);
 477
 478 err_dec_users:
 479         atomic_dec(&sony_laptop_input.users);
 480         return error;
 481 }
 482
 483 static void sony_laptop_remove_input(void)
 484 {
 485         struct sony_laptop_keypress kp = { NULL };
 486
 487         /* Cleanup only after the last user has gone */
 488         if (!atomic_dec_and_test(&sony_laptop_input.users))
 489                 return;
 490
 491         del_timer_sync(&sony_laptop_input.release_key_timer);
 492
 493         /*
 494          * Generate key-up events for remaining keys. Note that we don't
 495          * need locking since nobody is adding new events to the kfifo.
 496          */
 497         while (kfifo_out(&sony_laptop_input.fifo,
 498                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 499                 input_report_key(kp.dev, kp.key, 0);
 500                 input_sync(kp.dev);
 501         }
 502
 503         /* destroy input devs */
 504         input_unregister_device(sony_laptop_input.key_dev);
 505         sony_laptop_input.key_dev = NULL;
 506
 507         if (sony_laptop_input.jog_dev) {
 508                 input_unregister_device(sony_laptop_input.jog_dev);
 509                 sony_laptop_input.jog_dev = NULL;
 510         }
 511
 512         kfifo_free(&sony_laptop_input.fifo);
 513 }
 514
 515 /*********** Platform Device ***********/
 516
 517 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 518 static struct platform_driver sony_pf_driver = {
 519         .driver = {
 520                    .name = "sony-laptop",
 521                    .owner = THIS_MODULE,
 522                    }
 523 };
 524 static struct platform_device *sony_pf_device;
 525
 526 static int sony_pf_add(void)
 527 {
 528         int ret = 0;
 529
 530         /* don't run again if already initialized */
 531         if (atomic_add_return(1, &sony_pf_users) > 1)
 532                 return 0;
 533
 534         ret = platform_driver_register(&sony_pf_driver);
 535         if (ret)
 536                 goto out;
 537
 538         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 539         if (!sony_pf_device) {
 540                 ret = -ENOMEM;
 541                 goto out_platform_registered;
 542         }
 543
 544         ret = platform_device_add(sony_pf_device);
 545         if (ret)
 546                 goto out_platform_alloced;
 547
 548         return 0;
 549
 550       out_platform_alloced:
 551         platform_device_put(sony_pf_device);
 552         sony_pf_device = NULL;
 553       out_platform_registered:
 554         platform_driver_unregister(&sony_pf_driver);
 555       out:
 556         atomic_dec(&sony_pf_users);
 557         return ret;
 558 }
 559
 560 static void sony_pf_remove(void)
 561 {
 562         /* deregister only after the last user has gone */
 563         if (!atomic_dec_and_test(&sony_pf_users))
 564                 return;
 565
 566         platform_device_unregister(sony_pf_device);
 567         platform_driver_unregister(&sony_pf_driver);
 568 }
 569
 570 /*********** SNC (SNY5001) Device ***********/
 571
 572 /* the device uses 1-based values, while the backlight subsystem uses
 573    0-based values */
 574 #define SONY_MAX_BRIGHTNESS     8
 575
 576 #define SNC_VALIDATE_IN         0
 577 #define SNC_VALIDATE_OUT        1
 578
 579 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 580                               char *);
 581 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 582                                const char *, size_t);
 583 static int boolean_validate(const int, const int);
 584 static int brightness_default_validate(const int, const int);
 585
 586 struct sony_nc_value {
 587         char *name;             /* name of the entry */
 588         char **acpiget;         /* names of the ACPI get function */
 589         char **acpiset;         /* names of the ACPI set function */
 590         int (*validate)(const int, const int);  /* input/output validation */
 591         int value;              /* current setting */
 592         int valid;              /* Has ever been set */
 593         int debug;              /* active only in debug mode ? */
 594         struct device_attribute devattr;        /* sysfs atribute */
 595 };
 596
 597 #define SNC_HANDLE_NAMES(_name, _values...) \
 598         static char *snc_##_name[] = { _values, NULL }
 599
 600 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 601         { \
 602                 .name           = __stringify(_name), \
 603                 .acpiget        = _getters, \
 604                 .acpiset        = _setters, \
 605                 .validate       = _validate, \
 606                 .debug          = _debug, \
 607                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 608         }
 609
 610 #define SNC_HANDLE_NULL { .name = NULL }
 611
 612 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 613
 614 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 615 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 616
 617 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 618 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 619
 620 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 621 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 622
 623 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 624 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 625
 626 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 627
 628 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 629 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 630
 631 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 632 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 633
 634 SNC_HANDLE_NAMES(PID_get, "GPID");
 635
 636 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 637 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 638
 639 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 640 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 641
 642 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 643 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 644
 645 static struct sony_nc_value sony_nc_values[] = {
 646         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 647                         snc_brightness_def_set, brightness_default_validate, 0),
 648         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 649         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 650         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 651                         boolean_validate, 0),
 652         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 653                         boolean_validate, 1),
 654         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 655                         boolean_validate, 0),
 656         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 657                         boolean_validate, 0),
 658         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 659                         boolean_validate, 0),
 660         /* unknown methods */
 661         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 662         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 663         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 664         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 665         SNC_HANDLE_NULL
 666 };
 667
 668 static acpi_handle sony_nc_acpi_handle;
 669 static struct acpi_device *sony_nc_acpi_device = NULL;
 670
 671 /*
 672  * acpi_evaluate_object wrappers
 673  */
 674 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 675 {
 676         struct acpi_buffer output;
 677         union acpi_object out_obj;
 678         acpi_status status;
 679
 680         output.length = sizeof(out_obj);
 681         output.pointer = &out_obj;
 682
 683         status = acpi_evaluate_object(handle, name, NULL, &output);
 684         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 685                 *result = out_obj.integer.value;
 686                 return 0;
 687         }
 688
 689         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 690
 691         return -1;
 692 }
 693
 694 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 695                             int *result)
 696 {
 697         struct acpi_object_list params;
 698         union acpi_object in_obj;
 699         struct acpi_buffer output;
 700         union acpi_object out_obj;
 701         acpi_status status;
 702
 703         params.count = 1;
 704         params.pointer = &in_obj;
 705         in_obj.type = ACPI_TYPE_INTEGER;
 706         in_obj.integer.value = value;
 707
 708         output.length = sizeof(out_obj);
 709         output.pointer = &out_obj;
 710
 711         status = acpi_evaluate_object(handle, name, &params, &output);
 712         if (status == AE_OK) {
 713                 if (result != NULL) {
 714                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 715                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 716                                        "return type\n");
 717                                 return -1;
 718                         }
 719                         *result = out_obj.integer.value;
 720                 }
 721                 return 0;
 722         }
 723
 724         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 725
 726         return -1;
 727 }
 728
 729 static int sony_find_snc_handle(int handle)
 730 {
 731         int i;
 732         int result;
 733
 734         for (i = 0x20; i < 0x30; i++) {
 735                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 736                 if (result == handle)
 737                         return i-0x20;
 738         }
 739
 740         return -1;
 741 }
 742
 743 static int sony_call_snc_handle(int handle, int argument, int *result)
 744 {
 745         int offset = sony_find_snc_handle(handle);
 746
 747         if (offset < 0)
 748                 return -1;
 749
 750         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 751                                 result);
 752 }
 753
 754 /*
 755  * sony_nc_values input/output validate functions
 756  */
 757
 758 /* brightness_default_validate:
 759  *
 760  * manipulate input output values to keep consistency with the
 761  * backlight framework for which brightness values are 0-based.
 762  */
 763 static int brightness_default_validate(const int direction, const int value)
 764 {
 765         switch (direction) {
 766                 case SNC_VALIDATE_OUT:
 767                         return value - 1;
 768                 case SNC_VALIDATE_IN:
 769                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 770                                 return value + 1;
 771         }
 772         return -EINVAL;
 773 }
 774
 775 /* boolean_validate:
 776  *
 777  * on input validate boolean values 0/1, on output just pass the
 778  * received value.
 779  */
 780 static int boolean_validate(const int direction, const int value)
 781 {
 782         if (direction == SNC_VALIDATE_IN) {
 783                 if (value != 0 && value != 1)
 784                         return -EINVAL;
 785         }
 786         return value;
 787 }
 788
 789 /*
 790  * Sysfs show/store common to all sony_nc_values
 791  */
 792 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 793                               char *buffer)
 794 {
 795         int value;
 796         struct sony_nc_value *item =
 797             container_of(attr, struct sony_nc_value, devattr);
 798
 799         if (!*item->acpiget)
 800                 return -EIO;
 801
 802         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 803                 return -EIO;
 804
 805         if (item->validate)
 806                 value = item->validate(SNC_VALIDATE_OUT, value);
 807
 808         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 809 }
 810
 811 static ssize_t sony_nc_sysfs_store(struct device *dev,
 812                                struct device_attribute *attr,
 813                                const char *buffer, size_t count)
 814 {
 815         int value;
 816         struct sony_nc_value *item =
 817             container_of(attr, struct sony_nc_value, devattr);
 818
 819         if (!item->acpiset)
 820                 return -EIO;
 821
 822         if (count > 31)
 823                 return -EINVAL;
 824
 825         value = simple_strtoul(buffer, NULL, 10);
 826
 827         if (item->validate)
 828                 value = item->validate(SNC_VALIDATE_IN, value);
 829
 830         if (value < 0)
 831                 return value;
 832
 833         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 834                 return -EIO;
 835         item->value = value;
 836         item->valid = 1;
 837         return count;
 838 }
 839
 840
 841 /*
 842  * Backlight device
 843  */
 844 static int sony_backlight_update_status(struct backlight_device *bd)
 845 {
 846         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 847                                 bd->props.brightness + 1, NULL);
 848 }
 849
 850 static int sony_backlight_get_brightness(struct backlight_device *bd)
 851 {
 852         int value;
 853
 854         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 855                 return 0;
 856         /* brightness levels are 1-based, while backlight ones are 0-based */
 857         return value - 1;
 858 }
 859
 860 static struct backlight_device *sony_backlight_device;
 861 static const struct backlight_ops sony_backlight_ops = {
 862         .update_status = sony_backlight_update_status,
 863         .get_brightness = sony_backlight_get_brightness,
 864 };
 865
 866 /*
 867  * New SNC-only Vaios event mapping to driver known keys
 868  */
 869 struct sony_nc_event {
 870         u8      data;
 871         u8      event;
 872 };
 873
 874 static struct sony_nc_event sony_100_events[] = {
 875         { 0x90, SONYPI_EVENT_PKEY_P1 },
 876         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 877         { 0x91, SONYPI_EVENT_PKEY_P2 },
 878         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 879         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 880         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 881         { 0x82, SONYPI_EVENT_FNKEY_F2 },
 882         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
 883         { 0x83, SONYPI_EVENT_FNKEY_F3 },
 884         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
 885         { 0x84, SONYPI_EVENT_FNKEY_F4 },
 886         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
 887         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 888         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 889         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 890         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 891         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 892         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 893         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 894         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 895         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 896         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 897         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 898         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 899         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
 900         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
 901         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 902         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 903         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
 904         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
 905         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
 906         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
 907         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
 908         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
 909         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
 910         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
 911         { 0, 0 },
 912 };
 913
 914 static struct sony_nc_event sony_127_events[] = {
 915         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 916         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 917         { 0x82, SONYPI_EVENT_PKEY_P1 },
 918         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 919         { 0x83, SONYPI_EVENT_PKEY_P2 },
 920         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 921         { 0x84, SONYPI_EVENT_PKEY_P3 },
 922         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 923         { 0x85, SONYPI_EVENT_PKEY_P4 },
 924         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 925         { 0x86, SONYPI_EVENT_PKEY_P5 },
 926         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 927         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 928         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 929         { 0, 0 },
 930 };
 931
 932 /*
 933  * ACPI callbacks
 934  */
 935 static void sony_nc_notify(struct acpi_device *device, u32 event)
 936 {
 937         u32 ev = event;
 938
 939         if (ev >= 0x90) {
 940                 /* New-style event */
 941                 int result;
 942                 int key_handle = 0;
 943                 ev -= 0x90;
 944
 945                 if (sony_find_snc_handle(0x100) == ev)
 946                         key_handle = 0x100;
 947                 if (sony_find_snc_handle(0x127) == ev)
 948                         key_handle = 0x127;
 949
 950                 if (key_handle) {
 951                         struct sony_nc_event *key_event;
 952
 953                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
 954                                 dprintk("sony_nc_notify, unable to decode"
 955                                         " event 0x%.2x 0x%.2x\n", key_handle,
 956                                         ev);
 957                                 /* restore the original event */
 958                                 ev = event;
 959                         } else {
 960                                 ev = result & 0xFF;
 961
 962                                 if (key_handle == 0x100)
 963                                         key_event = sony_100_events;
 964                                 else
 965                                         key_event = sony_127_events;
 966
 967                                 for (; key_event->data; key_event++) {
 968                                         if (key_event->data == ev) {
 969                                                 ev = key_event->event;
 970                                                 break;
 971                                         }
 972                                 }
 973
 974                                 if (!key_event->data)
 975                                         printk(KERN_INFO DRV_PFX
 976                                                         "Unknown event: 0x%x 0x%x\n",
 977                                                         key_handle,
 978                                                         ev);
 979                                 else
 980                                         sony_laptop_report_input_event(ev);
 981                         }
 982                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
 983                         sony_nc_rfkill_update();
 984                         return;
 985                 }
 986         } else
 987                 sony_laptop_report_input_event(ev);
 988
 989         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
 990         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 991 }
 992
 993 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 994                                       void *context, void **return_value)
 995 {
 996         struct acpi_device_info *info;
 997
 998         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
 999                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
1000                         (char *)&info->name, info->param_count);
1001
1002                 kfree(info);
1003         }
1004
1005         return AE_OK;
1006 }
1007
1008 /*
1009  * ACPI device
1010  */
1011 static int sony_nc_function_setup(struct acpi_device *device)
1012 {
1013         int result;
1014
1015         /* Enable all events */
1016         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1017
1018         /* Setup hotkeys */
1019         sony_call_snc_handle(0x0100, 0, &result);
1020         sony_call_snc_handle(0x0101, 0, &result);
1021         sony_call_snc_handle(0x0102, 0x100, &result);
1022         sony_call_snc_handle(0x0127, 0, &result);
1023
1024         return 0;
1025 }
1026
1027 static int sony_nc_resume(struct acpi_device *device)
1028 {
1029         struct sony_nc_value *item;
1030         acpi_handle handle;
1031
1032         for (item = sony_nc_values; item->name; item++) {
1033                 int ret;
1034
1035                 if (!item->valid)
1036                         continue;
1037                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1038                                        item->value, NULL);
1039                 if (ret < 0) {
1040                         printk("%s: %d\n", __func__, ret);
1041                         break;
1042                 }
1043         }
1044
1045         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1046                                          &handle))) {
1047                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1048                         dprintk("ECON Method failed\n");
1049         }
1050
1051         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1052                                          &handle))) {
1053                 dprintk("Doing SNC setup\n");
1054                 sony_nc_function_setup(device);
1055         }
1056
1057         /* set the last requested brightness level */
1058         if (sony_backlight_device &&
1059                         sony_backlight_update_status(sony_backlight_device) < 0)
1060                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1061
1062         /* re-read rfkill state */
1063         sony_nc_rfkill_update();
1064
1065         return 0;
1066 }
1067
1068 static void sony_nc_rfkill_cleanup(void)
1069 {
1070         int i;
1071
1072         for (i = 0; i < N_SONY_RFKILL; i++) {
1073                 if (sony_rfkill_devices[i]) {
1074                         rfkill_unregister(sony_rfkill_devices[i]);
1075                         rfkill_destroy(sony_rfkill_devices[i]);
1076                 }
1077         }
1078 }
1079
1080 static int sony_nc_rfkill_set(void *data, bool blocked)
1081 {
1082         int result;
1083         int argument = sony_rfkill_address[(long) data] + 0x100;
1084
1085         if (!blocked)
1086                 argument |= 0xff0000;
1087
1088         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1089 }
1090
1091 static const struct rfkill_ops sony_rfkill_ops = {
1092         .set_block = sony_nc_rfkill_set,
1093 };
1094
1095 static int sony_nc_setup_rfkill(struct acpi_device *device,
1096                                 enum sony_nc_rfkill nc_type)
1097 {
1098         int err = 0;
1099         struct rfkill *rfk;
1100         enum rfkill_type type;
1101         const char *name;
1102         int result;
1103         bool hwblock;
1104
1105         switch (nc_type) {
1106         case SONY_WIFI:
1107                 type = RFKILL_TYPE_WLAN;
1108                 name = "sony-wifi";
1109                 break;
1110         case SONY_BLUETOOTH:
1111                 type = RFKILL_TYPE_BLUETOOTH;
1112                 name = "sony-bluetooth";
1113                 break;
1114         case SONY_WWAN:
1115                 type = RFKILL_TYPE_WWAN;
1116                 name = "sony-wwan";
1117                 break;
1118         case SONY_WIMAX:
1119                 type = RFKILL_TYPE_WIMAX;
1120                 name = "sony-wimax";
1121                 break;
1122         default:
1123                 return -EINVAL;
1124         }
1125
1126         rfk = rfkill_alloc(name, &device->dev, type,
1127                            &sony_rfkill_ops, (void *)nc_type);
1128         if (!rfk)
1129                 return -ENOMEM;
1130
1131         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1132         hwblock = !(result & 0x1);
1133         rfkill_set_hw_state(rfk, hwblock);
1134
1135         err = rfkill_register(rfk);
1136         if (err) {
1137                 rfkill_destroy(rfk);
1138                 return err;
1139         }
1140         sony_rfkill_devices[nc_type] = rfk;
1141         return err;
1142 }
1143
1144 static void sony_nc_rfkill_update(void)
1145 {
1146         enum sony_nc_rfkill i;
1147         int result;
1148         bool hwblock;
1149
1150         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1151         hwblock = !(result & 0x1);
1152
1153         for (i = 0; i < N_SONY_RFKILL; i++) {
1154                 int argument = sony_rfkill_address[i];
1155
1156                 if (!sony_rfkill_devices[i])
1157                         continue;
1158
1159                 if (hwblock) {
1160                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1161                                 /* we already know we're blocked */
1162                         }
1163                         continue;
1164                 }
1165
1166                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1167                 rfkill_set_states(sony_rfkill_devices[i],
1168                                   !(result & 0xf), false);
1169         }
1170 }
1171
1172 static void sony_nc_rfkill_setup(struct acpi_device *device)
1173 {
1174         int offset;
1175         u8 dev_code, i;
1176         acpi_status status;
1177         struct acpi_object_list params;
1178         union acpi_object in_obj;
1179         union acpi_object *device_enum;
1180         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1181
1182         offset = sony_find_snc_handle(0x124);
1183         if (offset == -1) {
1184                 offset = sony_find_snc_handle(0x135);
1185                 if (offset == -1)
1186                         return;
1187                 else
1188                         sony_rfkill_handle = 0x135;
1189         } else
1190                 sony_rfkill_handle = 0x124;
1191         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1192
1193         /* need to read the whole buffer returned by the acpi call to SN06
1194          * here otherwise we may miss some features
1195          */
1196         params.count = 1;
1197         params.pointer = &in_obj;
1198         in_obj.type = ACPI_TYPE_INTEGER;
1199         in_obj.integer.value = offset;
1200         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1201                         &buffer);
1202         if (ACPI_FAILURE(status)) {
1203                 dprintk("Radio device enumeration failed\n");
1204                 return;
1205         }
1206
1207         device_enum = (union acpi_object *) buffer.pointer;
1208         if (!device_enum) {
1209                 pr_err("Invalid SN06 return object\n");
1210                 goto out_no_enum;
1211         }
1212         if (device_enum->type != ACPI_TYPE_BUFFER) {
1213                 pr_err("Invalid SN06 return object type 0x%.2x\n",
1214                        device_enum->type);
1215                 goto out_no_enum;
1216         }
1217
1218         /* the buffer is filled with magic numbers describing the devices
1219          * available, 0xff terminates the enumeration
1220          */
1221         for (i = 0; i < device_enum->buffer.length; i++) {
1222
1223                 dev_code = *(device_enum->buffer.pointer + i);
1224                 if (dev_code == 0xff)
1225                         break;
1226
1227                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1228
1229                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1230                         sony_nc_setup_rfkill(device, SONY_WIFI);
1231
1232                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1233                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1234
1235                 if ((0xf0 & dev_code) == 0x20 &&
1236                                 !sony_rfkill_devices[SONY_WWAN])
1237                         sony_nc_setup_rfkill(device, SONY_WWAN);
1238
1239                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1240                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1241         }
1242
1243 out_no_enum:
1244         kfree(buffer.pointer);
1245         return;
1246 }
1247
1248 static int sony_nc_add(struct acpi_device *device)
1249 {
1250         acpi_status status;
1251         int result = 0;
1252         acpi_handle handle;
1253         struct sony_nc_value *item;
1254
1255         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1256                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1257
1258         sony_nc_acpi_device = device;
1259         strcpy(acpi_device_class(device), "sony/hotkey");
1260
1261         sony_nc_acpi_handle = device->handle;
1262
1263         /* read device status */
1264         result = acpi_bus_get_status(device);
1265         /* bail IFF the above call was successful and the device is not present */
1266         if (!result && !device->status.present) {
1267                 dprintk("Device not present\n");
1268                 result = -ENODEV;
1269                 goto outwalk;
1270         }
1271
1272         if (debug) {
1273                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1274                                              1, sony_walk_callback, NULL, NULL, NULL);
1275                 if (ACPI_FAILURE(status)) {
1276                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1277                         result = -ENODEV;
1278                         goto outwalk;
1279                 }
1280         }
1281
1282         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1283                                          &handle))) {
1284                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1285                         dprintk("ECON Method failed\n");
1286         }
1287
1288         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1289                                          &handle))) {
1290                 dprintk("Doing SNC setup\n");
1291                 sony_nc_function_setup(device);
1292                 sony_nc_rfkill_setup(device);
1293         }
1294
1295         /* setup input devices and helper fifo */
1296         result = sony_laptop_setup_input(device);
1297         if (result) {
1298                 printk(KERN_ERR DRV_PFX
1299                                 "Unable to create input devices.\n");
1300                 goto outwalk;
1301         }
1302
1303         if (acpi_video_backlight_support()) {
1304                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1305                        "controlled by ACPI video driver\n");
1306         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1307                                                 &handle))) {
1308                 struct backlight_properties props;
1309                 memset(&props, 0, sizeof(struct backlight_properties));
1310                 props.type = BACKLIGHT_PLATFORM;
1311                 props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
1312                 sony_backlight_device = backlight_device_register("sony", NULL,
1313                                                                   NULL,
1314                                                                   &sony_backlight_ops,
1315                                                                   &props);
1316
1317                 if (IS_ERR(sony_backlight_device)) {
1318                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1319                         sony_backlight_device = NULL;
1320                 } else {
1321                         sony_backlight_device->props.brightness =
1322                             sony_backlight_get_brightness
1323                             (sony_backlight_device);
1324                 }
1325
1326         }
1327
1328         result = sony_pf_add();
1329         if (result)
1330                 goto outbacklight;
1331
1332         /* create sony_pf sysfs attributes related to the SNC device */
1333         for (item = sony_nc_values; item->name; ++item) {
1334
1335                 if (!debug && item->debug)
1336                         continue;
1337
1338                 /* find the available acpiget as described in the DSDT */
1339                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1340                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1341                                                          *item->acpiget,
1342                                                          &handle))) {
1343                                 dprintk("Found %s getter: %s\n",
1344                                                 item->name, *item->acpiget);
1345                                 item->devattr.attr.mode |= S_IRUGO;
1346                                 break;
1347                         }
1348                 }
1349
1350                 /* find the available acpiset as described in the DSDT */
1351                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1352                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1353                                                          *item->acpiset,
1354                                                          &handle))) {
1355                                 dprintk("Found %s setter: %s\n",
1356                                                 item->name, *item->acpiset);
1357                                 item->devattr.attr.mode |= S_IWUSR;
1358                                 break;
1359                         }
1360                 }
1361
1362                 if (item->devattr.attr.mode != 0) {
1363                         result =
1364                             device_create_file(&sony_pf_device->dev,
1365                                                &item->devattr);
1366                         if (result)
1367                                 goto out_sysfs;
1368                 }
1369         }
1370
1371         return 0;
1372
1373       out_sysfs:
1374         for (item = sony_nc_values; item->name; ++item) {
1375                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1376         }
1377         sony_pf_remove();
1378
1379       outbacklight:
1380         if (sony_backlight_device)
1381                 backlight_device_unregister(sony_backlight_device);
1382
1383         sony_laptop_remove_input();
1384
1385       outwalk:
1386         sony_nc_rfkill_cleanup();
1387         return result;
1388 }
1389
1390 static int sony_nc_remove(struct acpi_device *device, int type)
1391 {
1392         struct sony_nc_value *item;
1393
1394         if (sony_backlight_device)
1395                 backlight_device_unregister(sony_backlight_device);
1396
1397         sony_nc_acpi_device = NULL;
1398
1399         for (item = sony_nc_values; item->name; ++item) {
1400                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1401         }
1402
1403         sony_pf_remove();
1404         sony_laptop_remove_input();
1405         sony_nc_rfkill_cleanup();
1406         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1407
1408         return 0;
1409 }
1410
1411 static const struct acpi_device_id sony_device_ids[] = {
1412         {SONY_NC_HID, 0},
1413         {SONY_PIC_HID, 0},
1414         {"", 0},
1415 };
1416 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1417
1418 static const struct acpi_device_id sony_nc_device_ids[] = {
1419         {SONY_NC_HID, 0},
1420         {"", 0},
1421 };
1422
1423 static struct acpi_driver sony_nc_driver = {
1424         .name = SONY_NC_DRIVER_NAME,
1425         .class = SONY_NC_CLASS,
1426         .ids = sony_nc_device_ids,
1427         .owner = THIS_MODULE,
1428         .ops = {
1429                 .add = sony_nc_add,
1430                 .remove = sony_nc_remove,
1431                 .resume = sony_nc_resume,
1432                 .notify = sony_nc_notify,
1433                 },
1434 };
1435
1436 /*********** SPIC (SNY6001) Device ***********/
1437
1438 #define SONYPI_DEVICE_TYPE1     0x00000001
1439 #define SONYPI_DEVICE_TYPE2     0x00000002
1440 #define SONYPI_DEVICE_TYPE3     0x00000004
1441 #define SONYPI_DEVICE_TYPE4     0x00000008
1442
1443 #define SONYPI_TYPE1_OFFSET     0x04
1444 #define SONYPI_TYPE2_OFFSET     0x12
1445 #define SONYPI_TYPE3_OFFSET     0x12
1446
1447 struct sony_pic_ioport {
1448         struct acpi_resource_io io1;
1449         struct acpi_resource_io io2;
1450         struct list_head        list;
1451 };
1452
1453 struct sony_pic_irq {
1454         struct acpi_resource_irq        irq;
1455         struct list_head                list;
1456 };
1457
1458 struct sonypi_eventtypes {
1459         u8                      data;
1460         unsigned long           mask;
1461         struct sonypi_event     *events;
1462 };
1463
1464 struct sony_pic_dev {
1465         struct acpi_device              *acpi_dev;
1466         struct sony_pic_irq             *cur_irq;
1467         struct sony_pic_ioport          *cur_ioport;
1468         struct list_head                interrupts;
1469         struct list_head                ioports;
1470         struct mutex                    lock;
1471         struct sonypi_eventtypes        *event_types;
1472         int                             (*handle_irq)(const u8, const u8);
1473         int                             model;
1474         u16                             evport_offset;
1475         u8                              camera_power;
1476         u8                              bluetooth_power;
1477         u8                              wwan_power;
1478 };
1479
1480 static struct sony_pic_dev spic_dev = {
1481         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1482         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1483 };
1484
1485 static int spic_drv_registered;
1486
1487 /* Event masks */
1488 #define SONYPI_JOGGER_MASK                      0x00000001
1489 #define SONYPI_CAPTURE_MASK                     0x00000002
1490 #define SONYPI_FNKEY_MASK                       0x00000004
1491 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1492 #define SONYPI_PKEY_MASK                        0x00000010
1493 #define SONYPI_BACK_MASK                        0x00000020
1494 #define SONYPI_HELP_MASK                        0x00000040
1495 #define SONYPI_LID_MASK                         0x00000080
1496 #define SONYPI_ZOOM_MASK                        0x00000100
1497 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1498 #define SONYPI_MEYE_MASK                        0x00000400
1499 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1500 #define SONYPI_BATTERY_MASK                     0x00001000
1501 #define SONYPI_WIRELESS_MASK                    0x00002000
1502
1503 struct sonypi_event {
1504         u8      data;
1505         u8      event;
1506 };
1507
1508 /* The set of possible button release events */
1509 static struct sonypi_event sonypi_releaseev[] = {
1510         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1511         { 0, 0 }
1512 };
1513
1514 /* The set of possible jogger events  */
1515 static struct sonypi_event sonypi_joggerev[] = {
1516         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1517         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1518         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1519         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1520         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1521         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1522         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1523         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1524         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1525         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1526         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1527         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1528         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1529         { 0, 0 }
1530 };
1531
1532 /* The set of possible capture button events */
1533 static struct sonypi_event sonypi_captureev[] = {
1534         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1535         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1536         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1537         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1538         { 0, 0 }
1539 };
1540
1541 /* The set of possible fnkeys events */
1542 static struct sonypi_event sonypi_fnkeyev[] = {
1543         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1544         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1545         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1546         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1547         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1548         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1549         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1550         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1551         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1552         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1553         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1554         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1555         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1556         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1557         { 0x21, SONYPI_EVENT_FNKEY_1 },
1558         { 0x22, SONYPI_EVENT_FNKEY_2 },
1559         { 0x31, SONYPI_EVENT_FNKEY_D },
1560         { 0x32, SONYPI_EVENT_FNKEY_E },
1561         { 0x33, SONYPI_EVENT_FNKEY_F },
1562         { 0x34, SONYPI_EVENT_FNKEY_S },
1563         { 0x35, SONYPI_EVENT_FNKEY_B },
1564         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1565         { 0, 0 }
1566 };
1567
1568 /* The set of possible program key events */
1569 static struct sonypi_event sonypi_pkeyev[] = {
1570         { 0x01, SONYPI_EVENT_PKEY_P1 },
1571         { 0x02, SONYPI_EVENT_PKEY_P2 },
1572         { 0x04, SONYPI_EVENT_PKEY_P3 },
1573         { 0x20, SONYPI_EVENT_PKEY_P1 },
1574         { 0, 0 }
1575 };
1576
1577 /* The set of possible bluetooth events */
1578 static struct sonypi_event sonypi_blueev[] = {
1579         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1580         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1581         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1582         { 0, 0 }
1583 };
1584
1585 /* The set of possible wireless events */
1586 static struct sonypi_event sonypi_wlessev[] = {
1587         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1588         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1589         { 0, 0 }
1590 };
1591
1592 /* The set of possible back button events */
1593 static struct sonypi_event sonypi_backev[] = {
1594         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1595         { 0, 0 }
1596 };
1597
1598 /* The set of possible help button events */
1599 static struct sonypi_event sonypi_helpev[] = {
1600         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1601         { 0, 0 }
1602 };
1603
1604
1605 /* The set of possible lid events */
1606 static struct sonypi_event sonypi_lidev[] = {
1607         { 0x51, SONYPI_EVENT_LID_CLOSED },
1608         { 0x50, SONYPI_EVENT_LID_OPENED },
1609         { 0, 0 }
1610 };
1611
1612 /* The set of possible zoom events */
1613 static struct sonypi_event sonypi_zoomev[] = {
1614         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1615         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1616         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1617         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1618         { 0, 0 }
1619 };
1620
1621 /* The set of possible thumbphrase events */
1622 static struct sonypi_event sonypi_thumbphraseev[] = {
1623         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1624         { 0, 0 }
1625 };
1626
1627 /* The set of possible motioneye camera events */
1628 static struct sonypi_event sonypi_meyeev[] = {
1629         { 0x00, SONYPI_EVENT_MEYE_FACE },
1630         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1631         { 0, 0 }
1632 };
1633
1634 /* The set of possible memorystick events */
1635 static struct sonypi_event sonypi_memorystickev[] = {
1636         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1637         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1638         { 0, 0 }
1639 };
1640
1641 /* The set of possible battery events */
1642 static struct sonypi_event sonypi_batteryev[] = {
1643         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1644         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1645         { 0, 0 }
1646 };
1647
1648 /* The set of possible volume events */
1649 static struct sonypi_event sonypi_volumeev[] = {
1650         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1651         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1652         { 0, 0 }
1653 };
1654
1655 /* The set of possible brightness events */
1656 static struct sonypi_event sonypi_brightnessev[] = {
1657         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1658         { 0, 0 }
1659 };
1660
1661 static struct sonypi_eventtypes type1_events[] = {
1662         { 0, 0xffffffff, sonypi_releaseev },
1663         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1664         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1665         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1666         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1667         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1668         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1669         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1670         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1671         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1672         { 0 },
1673 };
1674 static struct sonypi_eventtypes type2_events[] = {
1675         { 0, 0xffffffff, sonypi_releaseev },
1676         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1677         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1678         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1679         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1680         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1681         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1682         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1683         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1684         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1685         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1686         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1687         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1688         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1689         { 0 },
1690 };
1691 static struct sonypi_eventtypes type3_events[] = {
1692         { 0, 0xffffffff, sonypi_releaseev },
1693         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1694         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1695         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1696         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1697         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1698         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1699         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1700         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1701         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1702         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1703         { 0 },
1704 };
1705
1706 /* low level spic calls */
1707 #define ITERATIONS_LONG         10000
1708 #define ITERATIONS_SHORT        10
1709 #define wait_on_command(command, iterations) {                          \
1710         unsigned int n = iterations;                                    \
1711         while (--n && (command))                                        \
1712                 udelay(1);                                              \
1713         if (!n)                                                         \
1714                 dprintk("command failed at %s : %s (line %d)\n",        \
1715                                 __FILE__, __func__, __LINE__);  \
1716 }
1717
1718 static u8 sony_pic_call1(u8 dev)
1719 {
1720         u8 v1, v2;
1721
1722         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1723                         ITERATIONS_LONG);
1724         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1725         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1726         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1727         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1728         return v2;
1729 }
1730
1731 static u8 sony_pic_call2(u8 dev, u8 fn)
1732 {
1733         u8 v1;
1734
1735         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1736                         ITERATIONS_LONG);
1737         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1738         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1739                         ITERATIONS_LONG);
1740         outb(fn, spic_dev.cur_ioport->io1.minimum);
1741         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1742         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1743         return v1;
1744 }
1745
1746 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1747 {
1748         u8 v1;
1749
1750         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1751         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1752         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1753         outb(fn, spic_dev.cur_ioport->io1.minimum);
1754         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1755         outb(v, spic_dev.cur_ioport->io1.minimum);
1756         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1757         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1758                         dev, fn, v, v1);
1759         return v1;
1760 }
1761
1762 /*
1763  * minidrivers for SPIC models
1764  */
1765 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1766 {
1767         /*
1768          * 0x31 could mean we have to take some extra action and wait for
1769          * the next irq for some Type3 models, it will generate a new
1770          * irq and we can read new data from the device:
1771          *  - 0x5c and 0x5f requires 0xA0
1772          *  - 0x61 requires 0xB3
1773          */
1774         if (data_mask == 0x31) {
1775                 if (ev == 0x5c || ev == 0x5f)
1776                         sony_pic_call1(0xA0);
1777                 else if (ev == 0x61)
1778                         sony_pic_call1(0xB3);
1779                 return 0;
1780         }
1781         return 1;
1782 }
1783
1784 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1785 {
1786         struct pci_dev *pcidev;
1787
1788         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1789                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1790         if (pcidev) {
1791                 dev->model = SONYPI_DEVICE_TYPE1;
1792                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1793                 dev->event_types = type1_events;
1794                 goto out;
1795         }
1796
1797         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1798                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1799         if (pcidev) {
1800                 dev->model = SONYPI_DEVICE_TYPE2;
1801                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1802                 dev->event_types = type2_events;
1803                 goto out;
1804         }
1805
1806         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1807                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1808         if (pcidev) {
1809                 dev->model = SONYPI_DEVICE_TYPE3;
1810                 dev->handle_irq = type3_handle_irq;
1811                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1812                 dev->event_types = type3_events;
1813                 goto out;
1814         }
1815
1816         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1817                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1818         if (pcidev) {
1819                 dev->model = SONYPI_DEVICE_TYPE3;
1820                 dev->handle_irq = type3_handle_irq;
1821                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1822                 dev->event_types = type3_events;
1823                 goto out;
1824         }
1825
1826         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1827                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1828         if (pcidev) {
1829                 dev->model = SONYPI_DEVICE_TYPE3;
1830                 dev->handle_irq = type3_handle_irq;
1831                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1832                 dev->event_types = type3_events;
1833                 goto out;
1834         }
1835
1836         /* default */
1837         dev->model = SONYPI_DEVICE_TYPE2;
1838         dev->evport_offset = SONYPI_TYPE2_OFFSET;
1839         dev->event_types = type2_events;
1840
1841 out:
1842         if (pcidev)
1843                 pci_dev_put(pcidev);
1844
1845         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1846                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1847                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1848 }
1849
1850 /* camera tests and poweron/poweroff */
1851 #define SONYPI_CAMERA_PICTURE           5
1852 #define SONYPI_CAMERA_CONTROL           0x10
1853
1854 #define SONYPI_CAMERA_BRIGHTNESS                0
1855 #define SONYPI_CAMERA_CONTRAST                  1
1856 #define SONYPI_CAMERA_HUE                       2
1857 #define SONYPI_CAMERA_COLOR                     3
1858 #define SONYPI_CAMERA_SHARPNESS                 4
1859
1860 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1861 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1862 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1863 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1864
1865 /* the rest don't need a loop until not 0xff */
1866 #define SONYPI_CAMERA_AGC                       6
1867 #define SONYPI_CAMERA_AGC_MASK                  0x30
1868 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1869
1870 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1871 #define SONYPI_CAMERA_CONTROL                   0x10
1872
1873 #define SONYPI_CAMERA_STATUS                    7
1874 #define SONYPI_CAMERA_STATUS_READY              0x2
1875 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1876
1877 #define SONYPI_DIRECTION_BACKWARDS              0x4
1878
1879 #define SONYPI_CAMERA_REVISION                  8
1880 #define SONYPI_CAMERA_ROMVERSION                9
1881
1882 static int __sony_pic_camera_ready(void)
1883 {
1884         u8 v;
1885
1886         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1887         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1888 }
1889
1890 static int __sony_pic_camera_off(void)
1891 {
1892         if (!camera) {
1893                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1894                 return -ENODEV;
1895         }
1896
1897         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1898                                 SONYPI_CAMERA_MUTE_MASK),
1899                         ITERATIONS_SHORT);
1900
1901         if (spic_dev.camera_power) {
1902                 sony_pic_call2(0x91, 0);
1903                 spic_dev.camera_power = 0;
1904         }
1905         return 0;
1906 }
1907
1908 static int __sony_pic_camera_on(void)
1909 {
1910         int i, j, x;
1911
1912         if (!camera) {
1913                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1914                 return -ENODEV;
1915         }
1916
1917         if (spic_dev.camera_power)
1918                 return 0;
1919
1920         for (j = 5; j > 0; j--) {
1921
1922                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1923                         msleep(10);
1924                 sony_pic_call1(0x93);
1925
1926                 for (i = 400; i > 0; i--) {
1927                         if (__sony_pic_camera_ready())
1928                                 break;
1929                         msleep(10);
1930                 }
1931                 if (i)
1932                         break;
1933         }
1934
1935         if (j == 0) {
1936                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1937                 return -ENODEV;
1938         }
1939
1940         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1941                                 0x5a),
1942                         ITERATIONS_SHORT);
1943
1944         spic_dev.camera_power = 1;
1945         return 0;
1946 }
1947
1948 /* External camera command (exported to the motion eye v4l driver) */
1949 int sony_pic_camera_command(int command, u8 value)
1950 {
1951         if (!camera)
1952                 return -EIO;
1953
1954         mutex_lock(&spic_dev.lock);
1955
1956         switch (command) {
1957         case SONY_PIC_COMMAND_SETCAMERA:
1958                 if (value)
1959                         __sony_pic_camera_on();
1960                 else
1961                         __sony_pic_camera_off();
1962                 break;
1963         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1964                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1965                                 ITERATIONS_SHORT);
1966                 break;
1967         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1968                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1969                                 ITERATIONS_SHORT);
1970                 break;
1971         case SONY_PIC_COMMAND_SETCAMERAHUE:
1972                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1973                                 ITERATIONS_SHORT);
1974                 break;
1975         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1976                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1977                                 ITERATIONS_SHORT);
1978                 break;
1979         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1980                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1981                                 ITERATIONS_SHORT);
1982                 break;
1983         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1984                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1985                                 ITERATIONS_SHORT);
1986                 break;
1987         case SONY_PIC_COMMAND_SETCAMERAAGC:
1988                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1989                                 ITERATIONS_SHORT);
1990                 break;
1991         default:
1992                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1993                        command);
1994                 break;
1995         }
1996         mutex_unlock(&spic_dev.lock);
1997         return 0;
1998 }
1999 EXPORT_SYMBOL(sony_pic_camera_command);
2000
2001 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2002 static void __sony_pic_set_wwanpower(u8 state)
2003 {
2004         state = !!state;
2005         if (spic_dev.wwan_power == state)
2006                 return;
2007         sony_pic_call2(0xB0, state);
2008         sony_pic_call1(0x82);
2009         spic_dev.wwan_power = state;
2010 }
2011
2012 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2013                 struct device_attribute *attr,
2014                 const char *buffer, size_t count)
2015 {
2016         unsigned long value;
2017         if (count > 31)
2018                 return -EINVAL;
2019
2020         value = simple_strtoul(buffer, NULL, 10);
2021         mutex_lock(&spic_dev.lock);
2022         __sony_pic_set_wwanpower(value);
2023         mutex_unlock(&spic_dev.lock);
2024
2025         return count;
2026 }
2027
2028 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2029                 struct device_attribute *attr, char *buffer)
2030 {
2031         ssize_t count;
2032         mutex_lock(&spic_dev.lock);
2033         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2034         mutex_unlock(&spic_dev.lock);
2035         return count;
2036 }
2037
2038 /* bluetooth subsystem power state */
2039 static void __sony_pic_set_bluetoothpower(u8 state)
2040 {
2041         state = !!state;
2042         if (spic_dev.bluetooth_power == state)
2043                 return;
2044         sony_pic_call2(0x96, state);
2045         sony_pic_call1(0x82);
2046         spic_dev.bluetooth_power = state;
2047 }
2048
2049 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2050                 struct device_attribute *attr,
2051                 const char *buffer, size_t count)
2052 {
2053         unsigned long value;
2054         if (count > 31)
2055                 return -EINVAL;
2056
2057         value = simple_strtoul(buffer, NULL, 10);
2058         mutex_lock(&spic_dev.lock);
2059         __sony_pic_set_bluetoothpower(value);
2060         mutex_unlock(&spic_dev.lock);
2061
2062         return count;
2063 }
2064
2065 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2066                 struct device_attribute *attr, char *buffer)
2067 {
2068         ssize_t count = 0;
2069         mutex_lock(&spic_dev.lock);
2070         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2071         mutex_unlock(&spic_dev.lock);
2072         return count;
2073 }
2074
2075 /* fan speed */
2076 /* FAN0 information (reverse engineered from ACPI tables) */
2077 #define SONY_PIC_FAN0_STATUS    0x93
2078 static int sony_pic_set_fanspeed(unsigned long value)
2079 {
2080         return ec_write(SONY_PIC_FAN0_STATUS, value);
2081 }
2082
2083 static int sony_pic_get_fanspeed(u8 *value)
2084 {
2085         return ec_read(SONY_PIC_FAN0_STATUS, value);
2086 }
2087
2088 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2089                 struct device_attribute *attr,
2090                 const char *buffer, size_t count)
2091 {
2092         unsigned long value;
2093         if (count > 31)
2094                 return -EINVAL;
2095
2096         value = simple_strtoul(buffer, NULL, 10);
2097         if (sony_pic_set_fanspeed(value))
2098                 return -EIO;
2099
2100         return count;
2101 }
2102
2103 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2104                 struct device_attribute *attr, char *buffer)
2105 {
2106         u8 value = 0;
2107         if (sony_pic_get_fanspeed(&value))
2108                 return -EIO;
2109
2110         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2111 }
2112
2113 #define SPIC_ATTR(_name, _mode)                                 \
2114 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2115                 _mode, sony_pic_## _name ##_show,               \
2116                 sony_pic_## _name ##_store)
2117
2118 static SPIC_ATTR(bluetoothpower, 0644);
2119 static SPIC_ATTR(wwanpower, 0644);
2120 static SPIC_ATTR(fanspeed, 0644);
2121
2122 static struct attribute *spic_attributes[] = {
2123         &spic_attr_bluetoothpower.attr,
2124         &spic_attr_wwanpower.attr,
2125         &spic_attr_fanspeed.attr,
2126         NULL
2127 };
2128
2129 static struct attribute_group spic_attribute_group = {
2130         .attrs = spic_attributes
2131 };
2132
2133 /******** SONYPI compatibility **********/
2134 #ifdef CONFIG_SONYPI_COMPAT
2135
2136 /* battery / brightness / temperature  addresses */
2137 #define SONYPI_BAT_FLAGS        0x81
2138 #define SONYPI_LCD_LIGHT        0x96
2139 #define SONYPI_BAT1_PCTRM       0xa0
2140 #define SONYPI_BAT1_LEFT        0xa2
2141 #define SONYPI_BAT1_MAXRT       0xa4
2142 #define SONYPI_BAT2_PCTRM       0xa8
2143 #define SONYPI_BAT2_LEFT        0xaa
2144 #define SONYPI_BAT2_MAXRT       0xac
2145 #define SONYPI_BAT1_MAXTK       0xb0
2146 #define SONYPI_BAT1_FULL        0xb2
2147 #define SONYPI_BAT2_MAXTK       0xb8
2148 #define SONYPI_BAT2_FULL        0xba
2149 #define SONYPI_TEMP_STATUS      0xC1
2150
2151 struct sonypi_compat_s {
2152         struct fasync_struct    *fifo_async;
2153         struct kfifo            fifo;
2154         spinlock_t              fifo_lock;
2155         wait_queue_head_t       fifo_proc_list;
2156         atomic_t                open_count;
2157 };
2158 static struct sonypi_compat_s sonypi_compat = {
2159         .open_count = ATOMIC_INIT(0),
2160 };
2161
2162 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2163 {
2164         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2165 }
2166
2167 static int sonypi_misc_release(struct inode *inode, struct file *file)
2168 {
2169         atomic_dec(&sonypi_compat.open_count);
2170         return 0;
2171 }
2172
2173 static int sonypi_misc_open(struct inode *inode, struct file *file)
2174 {
2175         /* Flush input queue on first open */
2176         unsigned long flags;
2177
2178         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2179
2180         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2181                 kfifo_reset(&sonypi_compat.fifo);
2182
2183         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2184
2185         return 0;
2186 }
2187
2188 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2189                                 size_t count, loff_t *pos)
2190 {
2191         ssize_t ret;
2192         unsigned char c;
2193
2194         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2195             (file->f_flags & O_NONBLOCK))
2196                 return -EAGAIN;
2197
2198         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2199                                        kfifo_len(&sonypi_compat.fifo) != 0);
2200         if (ret)
2201                 return ret;
2202
2203         while (ret < count &&
2204                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2205                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2206                 if (put_user(c, buf++))
2207                         return -EFAULT;
2208                 ret++;
2209         }
2210
2211         if (ret > 0) {
2212                 struct inode *inode = file->f_path.dentry->d_inode;
2213                 inode->i_atime = current_fs_time(inode->i_sb);
2214         }
2215
2216         return ret;
2217 }
2218
2219 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2220 {
2221         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2222         if (kfifo_len(&sonypi_compat.fifo))
2223                 return POLLIN | POLLRDNORM;
2224         return 0;
2225 }
2226
2227 static int ec_read16(u8 addr, u16 *value)
2228 {
2229         u8 val_lb, val_hb;
2230         if (ec_read(addr, &val_lb))
2231                 return -1;
2232         if (ec_read(addr + 1, &val_hb))
2233                 return -1;
2234         *value = val_lb | (val_hb << 8);
2235         return 0;
2236 }
2237
2238 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2239                                                         unsigned long arg)
2240 {
2241         int ret = 0;
2242         void __user *argp = (void __user *)arg;
2243         u8 val8;
2244         u16 val16;
2245         int value;
2246
2247         mutex_lock(&spic_dev.lock);
2248         switch (cmd) {
2249         case SONYPI_IOCGBRT:
2250                 if (sony_backlight_device == NULL) {
2251                         ret = -EIO;
2252                         break;
2253                 }
2254                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2255                         ret = -EIO;
2256                         break;
2257                 }
2258                 val8 = ((value & 0xff) - 1) << 5;
2259                 if (copy_to_user(argp, &val8, sizeof(val8)))
2260                                 ret = -EFAULT;
2261                 break;
2262         case SONYPI_IOCSBRT:
2263                 if (sony_backlight_device == NULL) {
2264                         ret = -EIO;
2265                         break;
2266                 }
2267                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2268                         ret = -EFAULT;
2269                         break;
2270                 }
2271                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2272                                 (val8 >> 5) + 1, NULL)) {
2273                         ret = -EIO;
2274                         break;
2275                 }
2276                 /* sync the backlight device status */
2277                 sony_backlight_device->props.brightness =
2278                     sony_backlight_get_brightness(sony_backlight_device);
2279                 break;
2280         case SONYPI_IOCGBAT1CAP:
2281                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2282                         ret = -EIO;
2283                         break;
2284                 }
2285                 if (copy_to_user(argp, &val16, sizeof(val16)))
2286                         ret = -EFAULT;
2287                 break;
2288         case SONYPI_IOCGBAT1REM:
2289                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2290                         ret = -EIO;
2291                         break;
2292                 }
2293                 if (copy_to_user(argp, &val16, sizeof(val16)))
2294                         ret = -EFAULT;
2295                 break;
2296         case SONYPI_IOCGBAT2CAP:
2297                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2298                         ret = -EIO;
2299                         break;
2300                 }
2301                 if (copy_to_user(argp, &val16, sizeof(val16)))
2302                         ret = -EFAULT;
2303                 break;
2304         case SONYPI_IOCGBAT2REM:
2305                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2306                         ret = -EIO;
2307                         break;
2308                 }
2309                 if (copy_to_user(argp, &val16, sizeof(val16)))
2310                         ret = -EFAULT;
2311                 break;
2312         case SONYPI_IOCGBATFLAGS:
2313                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2314                         ret = -EIO;
2315                         break;
2316                 }
2317                 val8 &= 0x07;
2318                 if (copy_to_user(argp, &val8, sizeof(val8)))
2319                         ret = -EFAULT;
2320                 break;
2321         case SONYPI_IOCGBLUE:
2322                 val8 = spic_dev.bluetooth_power;
2323                 if (copy_to_user(argp, &val8, sizeof(val8)))
2324                         ret = -EFAULT;
2325                 break;
2326         case SONYPI_IOCSBLUE:
2327                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2328                         ret = -EFAULT;
2329                         break;
2330                 }
2331                 __sony_pic_set_bluetoothpower(val8);
2332                 break;
2333         /* FAN Controls */
2334         case SONYPI_IOCGFAN:
2335                 if (sony_pic_get_fanspeed(&val8)) {
2336                         ret = -EIO;
2337                         break;
2338                 }
2339                 if (copy_to_user(argp, &val8, sizeof(val8)))
2340                         ret = -EFAULT;
2341                 break;
2342         case SONYPI_IOCSFAN:
2343                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2344                         ret = -EFAULT;
2345                         break;
2346                 }
2347                 if (sony_pic_set_fanspeed(val8))
2348                         ret = -EIO;
2349                 break;
2350         /* GET Temperature (useful under APM) */
2351         case SONYPI_IOCGTEMP:
2352                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2353                         ret = -EIO;
2354                         break;
2355                 }
2356                 if (copy_to_user(argp, &val8, sizeof(val8)))
2357                         ret = -EFAULT;
2358                 break;
2359         default:
2360                 ret = -EINVAL;
2361         }
2362         mutex_unlock(&spic_dev.lock);
2363         return ret;
2364 }
2365
2366 static const struct file_operations sonypi_misc_fops = {
2367         .owner          = THIS_MODULE,
2368         .read           = sonypi_misc_read,
2369         .poll           = sonypi_misc_poll,
2370         .open           = sonypi_misc_open,
2371         .release        = sonypi_misc_release,
2372         .fasync         = sonypi_misc_fasync,
2373         .unlocked_ioctl = sonypi_misc_ioctl,
2374         .llseek         = noop_llseek,
2375 };
2376
2377 static struct miscdevice sonypi_misc_device = {
2378         .minor          = MISC_DYNAMIC_MINOR,
2379         .name           = "sonypi",
2380         .fops           = &sonypi_misc_fops,
2381 };
2382
2383 static void sonypi_compat_report_event(u8 event)
2384 {
2385         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2386                         sizeof(event), &sonypi_compat.fifo_lock);
2387         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2388         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2389 }
2390
2391 static int sonypi_compat_init(void)
2392 {
2393         int error;
2394
2395         spin_lock_init(&sonypi_compat.fifo_lock);
2396         error =
2397          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2398         if (error) {
2399                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2400                 return error;
2401         }
2402
2403         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2404
2405         if (minor != -1)
2406                 sonypi_misc_device.minor = minor;
2407         error = misc_register(&sonypi_misc_device);
2408         if (error) {
2409                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2410                 goto err_free_kfifo;
2411         }
2412         if (minor == -1)
2413                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2414                        sonypi_misc_device.minor);
2415
2416         return 0;
2417
2418 err_free_kfifo:
2419         kfifo_free(&sonypi_compat.fifo);
2420         return error;
2421 }
2422
2423 static void sonypi_compat_exit(void)
2424 {
2425         misc_deregister(&sonypi_misc_device);
2426         kfifo_free(&sonypi_compat.fifo);
2427 }
2428 #else
2429 static int sonypi_compat_init(void) { return 0; }
2430 static void sonypi_compat_exit(void) { }
2431 static void sonypi_compat_report_event(u8 event) { }
2432 #endif /* CONFIG_SONYPI_COMPAT */
2433
2434 /*
2435  * ACPI callbacks
2436  */
2437 static acpi_status
2438 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2439 {
2440         u32 i;
2441         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2442
2443         switch (resource->type) {
2444         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2445                 {
2446                         /* start IO enumeration */
2447                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2448                         if (!ioport)
2449                                 return AE_ERROR;
2450
2451                         list_add(&ioport->list, &dev->ioports);
2452                         return AE_OK;
2453                 }
2454
2455         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2456                 /* end IO enumeration */
2457                 return AE_OK;
2458
2459         case ACPI_RESOURCE_TYPE_IRQ:
2460                 {
2461                         struct acpi_resource_irq *p = &resource->data.irq;
2462                         struct sony_pic_irq *interrupt = NULL;
2463                         if (!p || !p->interrupt_count) {
2464                                 /*
2465                                  * IRQ descriptors may have no IRQ# bits set,
2466                                  * particularly those those w/ _STA disabled
2467                                  */
2468                                 dprintk("Blank IRQ resource\n");
2469                                 return AE_OK;
2470                         }
2471                         for (i = 0; i < p->interrupt_count; i++) {
2472                                 if (!p->interrupts[i]) {
2473                                         printk(KERN_WARNING DRV_PFX
2474                                                         "Invalid IRQ %d\n",
2475                                                         p->interrupts[i]);
2476                                         continue;
2477                                 }
2478                                 interrupt = kzalloc(sizeof(*interrupt),
2479                                                 GFP_KERNEL);
2480                                 if (!interrupt)
2481                                         return AE_ERROR;
2482
2483                                 list_add(&interrupt->list, &dev->interrupts);
2484                                 interrupt->irq.triggering = p->triggering;
2485                                 interrupt->irq.polarity = p->polarity;
2486                                 interrupt->irq.sharable = p->sharable;
2487                                 interrupt->irq.interrupt_count = 1;
2488                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2489                         }
2490                         return AE_OK;
2491                 }
2492         case ACPI_RESOURCE_TYPE_IO:
2493                 {
2494                         struct acpi_resource_io *io = &resource->data.io;
2495                         struct sony_pic_ioport *ioport =
2496                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2497                         if (!io) {
2498                                 dprintk("Blank IO resource\n");
2499                                 return AE_OK;
2500                         }
2501
2502                         if (!ioport->io1.minimum) {
2503                                 memcpy(&ioport->io1, io, sizeof(*io));
2504                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2505                                                 ioport->io1.address_length);
2506                         }
2507                         else if (!ioport->io2.minimum) {
2508                                 memcpy(&ioport->io2, io, sizeof(*io));
2509                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2510                                                 ioport->io2.address_length);
2511                         }
2512                         else {
2513                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2514                                 return AE_ERROR;
2515                         }
2516                         return AE_OK;
2517                 }
2518         default:
2519                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2520                                 resource->type);
2521
2522         case ACPI_RESOURCE_TYPE_END_TAG:
2523                 return AE_OK;
2524         }
2525         return AE_CTRL_TERMINATE;
2526 }
2527
2528 static int sony_pic_possible_resources(struct acpi_device *device)
2529 {
2530         int result = 0;
2531         acpi_status status = AE_OK;
2532
2533         if (!device)
2534                 return -EINVAL;
2535
2536         /* get device status */
2537         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2538         dprintk("Evaluating _STA\n");
2539         result = acpi_bus_get_status(device);
2540         if (result) {
2541                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2542                 goto end;
2543         }
2544
2545         if (!device->status.enabled)
2546                 dprintk("Device disabled\n");
2547         else
2548                 dprintk("Device enabled\n");
2549
2550         /*
2551          * Query and parse 'method'
2552          */
2553         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2554         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2555                         sony_pic_read_possible_resource, &spic_dev);
2556         if (ACPI_FAILURE(status)) {
2557                 printk(KERN_WARNING DRV_PFX
2558                                 "Failure evaluating %s\n",
2559                                 METHOD_NAME__PRS);
2560                 result = -ENODEV;
2561         }
2562 end:
2563         return result;
2564 }
2565
2566 /*
2567  *  Disable the spic device by calling its _DIS method
2568  */
2569 static int sony_pic_disable(struct acpi_device *device)
2570 {
2571         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2572                                                NULL);
2573
2574         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2575                 return -ENXIO;
2576
2577         dprintk("Device disabled\n");
2578         return 0;
2579 }
2580
2581
2582 /*
2583  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2584  *
2585  *  Call _SRS to set current resources
2586  */
2587 static int sony_pic_enable(struct acpi_device *device,
2588                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2589 {
2590         acpi_status status;
2591         int result = 0;
2592         /* Type 1 resource layout is:
2593          *    IO
2594          *    IO
2595          *    IRQNoFlags
2596          *    End
2597          *
2598          * Type 2 and 3 resource layout is:
2599          *    IO
2600          *    IRQNoFlags
2601          *    End
2602          */
2603         struct {
2604                 struct acpi_resource res1;
2605                 struct acpi_resource res2;
2606                 struct acpi_resource res3;
2607                 struct acpi_resource res4;
2608         } *resource;
2609         struct acpi_buffer buffer = { 0, NULL };
2610
2611         if (!ioport || !irq)
2612                 return -EINVAL;
2613
2614         /* init acpi_buffer */
2615         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2616         if (!resource)
2617                 return -ENOMEM;
2618
2619         buffer.length = sizeof(*resource) + 1;
2620         buffer.pointer = resource;
2621
2622         /* setup Type 1 resources */
2623         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2624
2625                 /* setup io resources */
2626                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2627                 resource->res1.length = sizeof(struct acpi_resource);
2628                 memcpy(&resource->res1.data.io, &ioport->io1,
2629                                 sizeof(struct acpi_resource_io));
2630
2631                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2632                 resource->res2.length = sizeof(struct acpi_resource);
2633                 memcpy(&resource->res2.data.io, &ioport->io2,
2634                                 sizeof(struct acpi_resource_io));
2635
2636                 /* setup irq resource */
2637                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2638                 resource->res3.length = sizeof(struct acpi_resource);
2639                 memcpy(&resource->res3.data.irq, &irq->irq,
2640                                 sizeof(struct acpi_resource_irq));
2641                 /* we requested a shared irq */
2642                 resource->res3.data.irq.sharable = ACPI_SHARED;
2643
2644                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2645
2646         }
2647         /* setup Type 2/3 resources */
2648         else {
2649                 /* setup io resource */
2650                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2651                 resource->res1.length = sizeof(struct acpi_resource);
2652                 memcpy(&resource->res1.data.io, &ioport->io1,
2653                                 sizeof(struct acpi_resource_io));
2654
2655                 /* setup irq resource */
2656                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2657                 resource->res2.length = sizeof(struct acpi_resource);
2658                 memcpy(&resource->res2.data.irq, &irq->irq,
2659                                 sizeof(struct acpi_resource_irq));
2660                 /* we requested a shared irq */
2661                 resource->res2.data.irq.sharable = ACPI_SHARED;
2662
2663                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2664         }
2665
2666         /* Attempt to set the resource */
2667         dprintk("Evaluating _SRS\n");
2668         status = acpi_set_current_resources(device->handle, &buffer);
2669
2670         /* check for total failure */
2671         if (ACPI_FAILURE(status)) {
2672                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2673                 result = -ENODEV;
2674                 goto end;
2675         }
2676
2677         /* Necessary device initializations calls (from sonypi) */
2678         sony_pic_call1(0x82);
2679         sony_pic_call2(0x81, 0xff);
2680         sony_pic_call1(compat ? 0x92 : 0x82);
2681
2682 end:
2683         kfree(resource);
2684         return result;
2685 }
2686
2687 /*****************
2688  *
2689  * ISR: some event is available
2690  *
2691  *****************/
2692 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2693 {
2694         int i, j;
2695         u8 ev = 0;
2696         u8 data_mask = 0;
2697         u8 device_event = 0;
2698
2699         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2700
2701         ev = inb_p(dev->cur_ioport->io1.minimum);
2702         if (dev->cur_ioport->io2.minimum)
2703                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2704         else
2705                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2706                                 dev->evport_offset);
2707
2708         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2709                         ev, data_mask, dev->cur_ioport->io1.minimum,
2710                         dev->evport_offset);
2711
2712         if (ev == 0x00 || ev == 0xff)
2713                 return IRQ_HANDLED;
2714
2715         for (i = 0; dev->event_types[i].mask; i++) {
2716
2717                 if ((data_mask & dev->event_types[i].data) !=
2718                     dev->event_types[i].data)
2719                         continue;
2720
2721                 if (!(mask & dev->event_types[i].mask))
2722                         continue;
2723
2724                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2725                         if (ev == dev->event_types[i].events[j].data) {
2726                                 device_event =
2727                                         dev->event_types[i].events[j].event;
2728                                 goto found;
2729                         }
2730                 }
2731         }
2732         /* Still not able to decode the event try to pass
2733          * it over to the minidriver
2734          */
2735         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2736                 return IRQ_HANDLED;
2737
2738         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2739                         ev, data_mask, dev->cur_ioport->io1.minimum,
2740                         dev->evport_offset);
2741         return IRQ_HANDLED;
2742
2743 found:
2744         sony_laptop_report_input_event(device_event);
2745         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2746         sonypi_compat_report_event(device_event);
2747
2748         return IRQ_HANDLED;
2749 }
2750
2751 /*****************
2752  *
2753  *  ACPI driver
2754  *
2755  *****************/
2756 static int sony_pic_remove(struct acpi_device *device, int type)
2757 {
2758         struct sony_pic_ioport *io, *tmp_io;
2759         struct sony_pic_irq *irq, *tmp_irq;
2760
2761         if (sony_pic_disable(device)) {
2762                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2763                 return -ENXIO;
2764         }
2765
2766         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2767         release_region(spic_dev.cur_ioport->io1.minimum,
2768                         spic_dev.cur_ioport->io1.address_length);
2769         if (spic_dev.cur_ioport->io2.minimum)
2770                 release_region(spic_dev.cur_ioport->io2.minimum,
2771                                 spic_dev.cur_ioport->io2.address_length);
2772
2773         sonypi_compat_exit();
2774
2775         sony_laptop_remove_input();
2776
2777         /* pf attrs */
2778         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2779         sony_pf_remove();
2780
2781         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2782                 list_del(&io->list);
2783                 kfree(io);
2784         }
2785         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2786                 list_del(&irq->list);
2787                 kfree(irq);
2788         }
2789         spic_dev.cur_ioport = NULL;
2790         spic_dev.cur_irq = NULL;
2791
2792         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2793         return 0;
2794 }
2795
2796 static int sony_pic_add(struct acpi_device *device)
2797 {
2798         int result;
2799         struct sony_pic_ioport *io, *tmp_io;
2800         struct sony_pic_irq *irq, *tmp_irq;
2801
2802         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2803                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2804
2805         spic_dev.acpi_dev = device;
2806         strcpy(acpi_device_class(device), "sony/hotkey");
2807         sony_pic_detect_device_type(&spic_dev);
2808         mutex_init(&spic_dev.lock);
2809
2810         /* read _PRS resources */
2811         result = sony_pic_possible_resources(device);
2812         if (result) {
2813                 printk(KERN_ERR DRV_PFX
2814                                 "Unable to read possible resources.\n");
2815                 goto err_free_resources;
2816         }
2817
2818         /* setup input devices and helper fifo */
2819         result = sony_laptop_setup_input(device);
2820         if (result) {
2821                 printk(KERN_ERR DRV_PFX
2822                                 "Unable to create input devices.\n");
2823                 goto err_free_resources;
2824         }
2825
2826         if (sonypi_compat_init())
2827                 goto err_remove_input;
2828
2829         /* request io port */
2830         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2831                 if (request_region(io->io1.minimum, io->io1.address_length,
2832                                         "Sony Programable I/O Device")) {
2833                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2834                                         io->io1.minimum, io->io1.maximum,
2835                                         io->io1.address_length);
2836                         /* Type 1 have 2 ioports */
2837                         if (io->io2.minimum) {
2838                                 if (request_region(io->io2.minimum,
2839                                                 io->io2.address_length,
2840                                                 "Sony Programable I/O Device")) {
2841                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2842                                                         io->io2.minimum, io->io2.maximum,
2843                                                         io->io2.address_length);
2844                                         spic_dev.cur_ioport = io;
2845                                         break;
2846                                 }
2847                                 else {
2848                                         dprintk("Unable to get I/O port2: "
2849                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2850                                                         io->io2.minimum, io->io2.maximum,
2851                                                         io->io2.address_length);
2852                                         release_region(io->io1.minimum,
2853                                                         io->io1.address_length);
2854                                 }
2855                         }
2856                         else {
2857                                 spic_dev.cur_ioport = io;
2858                                 break;
2859                         }
2860                 }
2861         }
2862         if (!spic_dev.cur_ioport) {
2863                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2864                 result = -ENODEV;
2865                 goto err_remove_compat;
2866         }
2867
2868         /* request IRQ */
2869         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2870                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2871                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2872                         dprintk("IRQ: %d - triggering: %d - "
2873                                         "polarity: %d - shr: %d\n",
2874                                         irq->irq.interrupts[0],
2875                                         irq->irq.triggering,
2876                                         irq->irq.polarity,
2877                                         irq->irq.sharable);
2878                         spic_dev.cur_irq = irq;
2879                         break;
2880                 }
2881         }
2882         if (!spic_dev.cur_irq) {
2883                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2884                 result = -ENODEV;
2885                 goto err_release_region;
2886         }
2887
2888         /* set resource status _SRS */
2889         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2890         if (result) {
2891                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2892                 goto err_free_irq;
2893         }
2894
2895         spic_dev.bluetooth_power = -1;
2896         /* create device attributes */
2897         result = sony_pf_add();
2898         if (result)
2899                 goto err_disable_device;
2900
2901         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2902         if (result)
2903                 goto err_remove_pf;
2904
2905         return 0;
2906
2907 err_remove_pf:
2908         sony_pf_remove();
2909
2910 err_disable_device:
2911         sony_pic_disable(device);
2912
2913 err_free_irq:
2914         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2915
2916 err_release_region:
2917         release_region(spic_dev.cur_ioport->io1.minimum,
2918                         spic_dev.cur_ioport->io1.address_length);
2919         if (spic_dev.cur_ioport->io2.minimum)
2920                 release_region(spic_dev.cur_ioport->io2.minimum,
2921                                 spic_dev.cur_ioport->io2.address_length);
2922
2923 err_remove_compat:
2924         sonypi_compat_exit();
2925
2926 err_remove_input:
2927         sony_laptop_remove_input();
2928
2929 err_free_resources:
2930         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2931                 list_del(&io->list);
2932                 kfree(io);
2933         }
2934         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2935                 list_del(&irq->list);
2936                 kfree(irq);
2937         }
2938         spic_dev.cur_ioport = NULL;
2939         spic_dev.cur_irq = NULL;
2940
2941         return result;
2942 }
2943
2944 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2945 {
2946         if (sony_pic_disable(device))
2947                 return -ENXIO;
2948         return 0;
2949 }
2950
2951 static int sony_pic_resume(struct acpi_device *device)
2952 {
2953         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2954         return 0;
2955 }
2956
2957 static const struct acpi_device_id sony_pic_device_ids[] = {
2958         {SONY_PIC_HID, 0},
2959         {"", 0},
2960 };
2961
2962 static struct acpi_driver sony_pic_driver = {
2963         .name = SONY_PIC_DRIVER_NAME,
2964         .class = SONY_PIC_CLASS,
2965         .ids = sony_pic_device_ids,
2966         .owner = THIS_MODULE,
2967         .ops = {
2968                 .add = sony_pic_add,
2969                 .remove = sony_pic_remove,
2970                 .suspend = sony_pic_suspend,
2971                 .resume = sony_pic_resume,
2972                 },
2973 };
2974
2975 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2976         {
2977                 .ident = "Sony Vaio",
2978                 .matches = {
2979                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2980                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2981                 },
2982         },
2983         {
2984                 .ident = "Sony Vaio",
2985                 .matches = {
2986                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2987                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2988                 },
2989         },
2990         { }
2991 };
2992
2993 static int __init sony_laptop_init(void)
2994 {
2995         int result;
2996
2997         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2998                 result = acpi_bus_register_driver(&sony_pic_driver);
2999                 if (result) {
3000                         printk(KERN_ERR DRV_PFX
3001                                         "Unable to register SPIC driver.");
3002                         goto out;
3003                 }
3004                 spic_drv_registered = 1;
3005         }
3006
3007         result = acpi_bus_register_driver(&sony_nc_driver);
3008         if (result) {
3009                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
3010                 goto out_unregister_pic;
3011         }
3012
3013         return 0;
3014
3015 out_unregister_pic:
3016         if (spic_drv_registered)
3017                 acpi_bus_unregister_driver(&sony_pic_driver);
3018 out:
3019         return result;
3020 }
3021
3022 static void __exit sony_laptop_exit(void)
3023 {
3024         acpi_bus_unregister_driver(&sony_nc_driver);
3025         if (spic_drv_registered)
3026                 acpi_bus_unregister_driver(&sony_pic_driver);
3027 }
3028
3029 module_init(sony_laptop_init);
3030 module_exit(sony_laptop_exit);