SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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 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/smp_lock.h>
  50 #include <linux/types.h>
  51 #include <linux/backlight.h>
  52 #include <linux/platform_device.h>
  53 #include <linux/err.h>
  54 #include <linux/dmi.h>
  55 #include <linux/pci.h>
  56 #include <linux/interrupt.h>
  57 #include <linux/delay.h>
  58 #include <linux/input.h>
  59 #include <linux/kfifo.h>
  60 #include <linux/workqueue.h>
  61 #include <linux/acpi.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         SONY_RFKILL_MAX,
 133 };
 134
 135 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
 136 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
 137 static void sony_nc_rfkill_update(void);
 138
 139 /*********** Input Devices ***********/
 140
 141 #define SONY_LAPTOP_BUF_SIZE    128
 142 struct sony_laptop_input_s {
 143         atomic_t                users;
 144         struct input_dev        *jog_dev;
 145         struct input_dev        *key_dev;
 146         struct kfifo            *fifo;
 147         spinlock_t              fifo_lock;
 148         struct workqueue_struct *wq;
 149 };
 150
 151 static struct sony_laptop_input_s sony_laptop_input = {
 152         .users = ATOMIC_INIT(0),
 153 };
 154
 155 struct sony_laptop_keypress {
 156         struct input_dev *dev;
 157         int key;
 158 };
 159
 160 /* Correspondance table between sonypi events
 161  * and input layer indexes in the keymap
 162  */
 163 static int sony_laptop_input_index[] = {
 164         -1,     /*  0 no event */
 165         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 166         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 167         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 168         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 169         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 170         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 171          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 172          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 173          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 174          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 175          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 176          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 177          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 178          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 179          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 180          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 181         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 182         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 183         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 184         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 185         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 186         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 187         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 188         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 189         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 190         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 191         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 192         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 193         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 194         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 195         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 196         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 197         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 198         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 199         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 200         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 201         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 202         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 203         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 204         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 205         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 206         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 207         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 208         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 209         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 210         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 211         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 212         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 213         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 214         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 215         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 216         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 217         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 218         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 219         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 220         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 221         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 222         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 223         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 224         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 225         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 226         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 227         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 228         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 229 };
 230
 231 static int sony_laptop_input_keycode_map[] = {
 232         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 233         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 234         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 235         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 236         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 237         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 238         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 239         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 240         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 241         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 242         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 243         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 244         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 245         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 246         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 247         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 248         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 249         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 250         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 251         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 252         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 253         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 254         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 255         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 256         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 257         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 258         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 259         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 260         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 261         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 262         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 263         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 264         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 265         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 266         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 267         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 268         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 269         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 270         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 271         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 272         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 273         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 274         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 275         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 276         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 277         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 278         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 279         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 280         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 281         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 282         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 283         KEY_EJECTCD     /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 284 };
 285
 286 /* release buttons after a short delay if pressed */
 287 static void do_sony_laptop_release_key(struct work_struct *work)
 288 {
 289         struct sony_laptop_keypress kp;
 290
 291         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
 292                          sizeof(kp)) == sizeof(kp)) {
 293                 msleep(10);
 294                 input_report_key(kp.dev, kp.key, 0);
 295                 input_sync(kp.dev);
 296         }
 297 }
 298 static DECLARE_WORK(sony_laptop_release_key_work,
 299                 do_sony_laptop_release_key);
 300
 301 /* forward event to the input subsystem */
 302 static void sony_laptop_report_input_event(u8 event)
 303 {
 304         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 305         struct input_dev *key_dev = sony_laptop_input.key_dev;
 306         struct sony_laptop_keypress kp = { NULL };
 307
 308         if (event == SONYPI_EVENT_FNKEY_RELEASED) {
 309                 /* Nothing, not all VAIOs generate this event */
 310                 return;
 311         }
 312
 313         /* report events */
 314         switch (event) {
 315         /* jog_dev events */
 316         case SONYPI_EVENT_JOGDIAL_UP:
 317         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 318                 input_report_rel(jog_dev, REL_WHEEL, 1);
 319                 input_sync(jog_dev);
 320                 return;
 321
 322         case SONYPI_EVENT_JOGDIAL_DOWN:
 323         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 324                 input_report_rel(jog_dev, REL_WHEEL, -1);
 325                 input_sync(jog_dev);
 326                 return;
 327
 328         /* key_dev events */
 329         case SONYPI_EVENT_JOGDIAL_PRESSED:
 330                 kp.key = BTN_MIDDLE;
 331                 kp.dev = jog_dev;
 332                 break;
 333
 334         default:
 335                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 336                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 337                         break;
 338                 }
 339                 if (sony_laptop_input_index[event] != -1) {
 340                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 341                         if (kp.key != KEY_UNKNOWN)
 342                                 kp.dev = key_dev;
 343                 }
 344                 break;
 345         }
 346
 347         if (kp.dev) {
 348                 input_report_key(kp.dev, kp.key, 1);
 349                 /* we emit the scancode so we can always remap the key */
 350                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 351                 input_sync(kp.dev);
 352                 kfifo_put(sony_laptop_input.fifo,
 353                           (unsigned char *)&kp, sizeof(kp));
 354
 355                 if (!work_pending(&sony_laptop_release_key_work))
 356                         queue_work(sony_laptop_input.wq,
 357                                         &sony_laptop_release_key_work);
 358         } else
 359                 dprintk("unknown input event %.2x\n", event);
 360 }
 361
 362 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 363 {
 364         struct input_dev *jog_dev;
 365         struct input_dev *key_dev;
 366         int i;
 367         int error;
 368
 369         /* don't run again if already initialized */
 370         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 371                 return 0;
 372
 373         /* kfifo */
 374         spin_lock_init(&sony_laptop_input.fifo_lock);
 375         sony_laptop_input.fifo =
 376                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
 377                             &sony_laptop_input.fifo_lock);
 378         if (IS_ERR(sony_laptop_input.fifo)) {
 379                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 380                 error = PTR_ERR(sony_laptop_input.fifo);
 381                 goto err_dec_users;
 382         }
 383
 384         /* init workqueue */
 385         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
 386         if (!sony_laptop_input.wq) {
 387                 printk(KERN_ERR DRV_PFX
 388                                 "Unabe to create workqueue.\n");
 389                 error = -ENXIO;
 390                 goto err_free_kfifo;
 391         }
 392
 393         /* input keys */
 394         key_dev = input_allocate_device();
 395         if (!key_dev) {
 396                 error = -ENOMEM;
 397                 goto err_destroy_wq;
 398         }
 399
 400         key_dev->name = "Sony Vaio Keys";
 401         key_dev->id.bustype = BUS_ISA;
 402         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 403         key_dev->dev.parent = &acpi_device->dev;
 404
 405         /* Initialize the Input Drivers: special keys */
 406         set_bit(EV_KEY, key_dev->evbit);
 407         set_bit(EV_MSC, key_dev->evbit);
 408         set_bit(MSC_SCAN, key_dev->mscbit);
 409         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 410         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 411         key_dev->keycode = &sony_laptop_input_keycode_map;
 412         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
 413                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
 414                         set_bit(sony_laptop_input_keycode_map[i],
 415                                 key_dev->keybit);
 416                 }
 417         }
 418
 419         error = input_register_device(key_dev);
 420         if (error)
 421                 goto err_free_keydev;
 422
 423         sony_laptop_input.key_dev = key_dev;
 424
 425         /* jogdial */
 426         jog_dev = input_allocate_device();
 427         if (!jog_dev) {
 428                 error = -ENOMEM;
 429                 goto err_unregister_keydev;
 430         }
 431
 432         jog_dev->name = "Sony Vaio Jogdial";
 433         jog_dev->id.bustype = BUS_ISA;
 434         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 435         key_dev->dev.parent = &acpi_device->dev;
 436
 437         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 438         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
 439         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
 440
 441         error = input_register_device(jog_dev);
 442         if (error)
 443                 goto err_free_jogdev;
 444
 445         sony_laptop_input.jog_dev = jog_dev;
 446
 447         return 0;
 448
 449 err_free_jogdev:
 450         input_free_device(jog_dev);
 451
 452 err_unregister_keydev:
 453         input_unregister_device(key_dev);
 454         /* to avoid kref underflow below at input_free_device */
 455         key_dev = NULL;
 456
 457 err_free_keydev:
 458         input_free_device(key_dev);
 459
 460 err_destroy_wq:
 461         destroy_workqueue(sony_laptop_input.wq);
 462
 463 err_free_kfifo:
 464         kfifo_free(sony_laptop_input.fifo);
 465
 466 err_dec_users:
 467         atomic_dec(&sony_laptop_input.users);
 468         return error;
 469 }
 470
 471 static void sony_laptop_remove_input(void)
 472 {
 473         /* cleanup only after the last user has gone */
 474         if (!atomic_dec_and_test(&sony_laptop_input.users))
 475                 return;
 476
 477         /* flush workqueue first */
 478         flush_workqueue(sony_laptop_input.wq);
 479
 480         /* destroy input devs */
 481         input_unregister_device(sony_laptop_input.key_dev);
 482         sony_laptop_input.key_dev = NULL;
 483
 484         if (sony_laptop_input.jog_dev) {
 485                 input_unregister_device(sony_laptop_input.jog_dev);
 486                 sony_laptop_input.jog_dev = NULL;
 487         }
 488
 489         destroy_workqueue(sony_laptop_input.wq);
 490         kfifo_free(sony_laptop_input.fifo);
 491 }
 492
 493 /*********** Platform Device ***********/
 494
 495 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 496 static struct platform_driver sony_pf_driver = {
 497         .driver = {
 498                    .name = "sony-laptop",
 499                    .owner = THIS_MODULE,
 500                    }
 501 };
 502 static struct platform_device *sony_pf_device;
 503
 504 static int sony_pf_add(void)
 505 {
 506         int ret = 0;
 507
 508         /* don't run again if already initialized */
 509         if (atomic_add_return(1, &sony_pf_users) > 1)
 510                 return 0;
 511
 512         ret = platform_driver_register(&sony_pf_driver);
 513         if (ret)
 514                 goto out;
 515
 516         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 517         if (!sony_pf_device) {
 518                 ret = -ENOMEM;
 519                 goto out_platform_registered;
 520         }
 521
 522         ret = platform_device_add(sony_pf_device);
 523         if (ret)
 524                 goto out_platform_alloced;
 525
 526         return 0;
 527
 528       out_platform_alloced:
 529         platform_device_put(sony_pf_device);
 530         sony_pf_device = NULL;
 531       out_platform_registered:
 532         platform_driver_unregister(&sony_pf_driver);
 533       out:
 534         atomic_dec(&sony_pf_users);
 535         return ret;
 536 }
 537
 538 static void sony_pf_remove(void)
 539 {
 540         /* deregister only after the last user has gone */
 541         if (!atomic_dec_and_test(&sony_pf_users))
 542                 return;
 543
 544         platform_device_del(sony_pf_device);
 545         platform_device_put(sony_pf_device);
 546         platform_driver_unregister(&sony_pf_driver);
 547 }
 548
 549 /*********** SNC (SNY5001) Device ***********/
 550
 551 /* the device uses 1-based values, while the backlight subsystem uses
 552    0-based values */
 553 #define SONY_MAX_BRIGHTNESS     8
 554
 555 #define SNC_VALIDATE_IN         0
 556 #define SNC_VALIDATE_OUT        1
 557
 558 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 559                               char *);
 560 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 561                                const char *, size_t);
 562 static int boolean_validate(const int, const int);
 563 static int brightness_default_validate(const int, const int);
 564
 565 struct sony_nc_value {
 566         char *name;             /* name of the entry */
 567         char **acpiget;         /* names of the ACPI get function */
 568         char **acpiset;         /* names of the ACPI set function */
 569         int (*validate)(const int, const int);  /* input/output validation */
 570         int value;              /* current setting */
 571         int valid;              /* Has ever been set */
 572         int debug;              /* active only in debug mode ? */
 573         struct device_attribute devattr;        /* sysfs atribute */
 574 };
 575
 576 #define SNC_HANDLE_NAMES(_name, _values...) \
 577         static char *snc_##_name[] = { _values, NULL }
 578
 579 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 580         { \
 581                 .name           = __stringify(_name), \
 582                 .acpiget        = _getters, \
 583                 .acpiset        = _setters, \
 584                 .validate       = _validate, \
 585                 .debug          = _debug, \
 586                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 587         }
 588
 589 #define SNC_HANDLE_NULL { .name = NULL }
 590
 591 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 592
 593 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 594 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 595
 596 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 597 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 598
 599 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 600 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 601
 602 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 603 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 604
 605 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 606
 607 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 608 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 609
 610 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 611 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 612
 613 SNC_HANDLE_NAMES(PID_get, "GPID");
 614
 615 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 616 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 617
 618 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 619 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 620
 621 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 622 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 623
 624 static struct sony_nc_value sony_nc_values[] = {
 625         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 626                         snc_brightness_def_set, brightness_default_validate, 0),
 627         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 628         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 629         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 630                         boolean_validate, 0),
 631         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 632                         boolean_validate, 1),
 633         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 634                         boolean_validate, 0),
 635         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 636                         boolean_validate, 0),
 637         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 638                         boolean_validate, 0),
 639         /* unknown methods */
 640         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 641         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 642         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 643         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 644         SNC_HANDLE_NULL
 645 };
 646
 647 static acpi_handle sony_nc_acpi_handle;
 648 static struct acpi_device *sony_nc_acpi_device = NULL;
 649
 650 /*
 651  * acpi_evaluate_object wrappers
 652  */
 653 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 654 {
 655         struct acpi_buffer output;
 656         union acpi_object out_obj;
 657         acpi_status status;
 658
 659         output.length = sizeof(out_obj);
 660         output.pointer = &out_obj;
 661
 662         status = acpi_evaluate_object(handle, name, NULL, &output);
 663         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 664                 *result = out_obj.integer.value;
 665                 return 0;
 666         }
 667
 668         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 669
 670         return -1;
 671 }
 672
 673 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 674                             int *result)
 675 {
 676         struct acpi_object_list params;
 677         union acpi_object in_obj;
 678         struct acpi_buffer output;
 679         union acpi_object out_obj;
 680         acpi_status status;
 681
 682         params.count = 1;
 683         params.pointer = &in_obj;
 684         in_obj.type = ACPI_TYPE_INTEGER;
 685         in_obj.integer.value = value;
 686
 687         output.length = sizeof(out_obj);
 688         output.pointer = &out_obj;
 689
 690         status = acpi_evaluate_object(handle, name, &params, &output);
 691         if (status == AE_OK) {
 692                 if (result != NULL) {
 693                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 694                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 695                                        "return type\n");
 696                                 return -1;
 697                         }
 698                         *result = out_obj.integer.value;
 699                 }
 700                 return 0;
 701         }
 702
 703         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 704
 705         return -1;
 706 }
 707
 708 static int sony_find_snc_handle(int handle)
 709 {
 710         int i;
 711         int result;
 712
 713         for (i = 0x20; i < 0x30; i++) {
 714                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 715                 if (result == handle)
 716                         return i-0x20;
 717         }
 718
 719         return -1;
 720 }
 721
 722 static int sony_call_snc_handle(int handle, int argument, int *result)
 723 {
 724         int offset = sony_find_snc_handle(handle);
 725
 726         if (offset < 0)
 727                 return -1;
 728
 729         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 730                                 result);
 731 }
 732
 733 /*
 734  * sony_nc_values input/output validate functions
 735  */
 736
 737 /* brightness_default_validate:
 738  *
 739  * manipulate input output values to keep consistency with the
 740  * backlight framework for which brightness values are 0-based.
 741  */
 742 static int brightness_default_validate(const int direction, const int value)
 743 {
 744         switch (direction) {
 745                 case SNC_VALIDATE_OUT:
 746                         return value - 1;
 747                 case SNC_VALIDATE_IN:
 748                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 749                                 return value + 1;
 750         }
 751         return -EINVAL;
 752 }
 753
 754 /* boolean_validate:
 755  *
 756  * on input validate boolean values 0/1, on output just pass the
 757  * received value.
 758  */
 759 static int boolean_validate(const int direction, const int value)
 760 {
 761         if (direction == SNC_VALIDATE_IN) {
 762                 if (value != 0 && value != 1)
 763                         return -EINVAL;
 764         }
 765         return value;
 766 }
 767
 768 /*
 769  * Sysfs show/store common to all sony_nc_values
 770  */
 771 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 772                               char *buffer)
 773 {
 774         int value;
 775         struct sony_nc_value *item =
 776             container_of(attr, struct sony_nc_value, devattr);
 777
 778         if (!*item->acpiget)
 779                 return -EIO;
 780
 781         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 782                 return -EIO;
 783
 784         if (item->validate)
 785                 value = item->validate(SNC_VALIDATE_OUT, value);
 786
 787         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 788 }
 789
 790 static ssize_t sony_nc_sysfs_store(struct device *dev,
 791                                struct device_attribute *attr,
 792                                const char *buffer, size_t count)
 793 {
 794         int value;
 795         struct sony_nc_value *item =
 796             container_of(attr, struct sony_nc_value, devattr);
 797
 798         if (!item->acpiset)
 799                 return -EIO;
 800
 801         if (count > 31)
 802                 return -EINVAL;
 803
 804         value = simple_strtoul(buffer, NULL, 10);
 805
 806         if (item->validate)
 807                 value = item->validate(SNC_VALIDATE_IN, value);
 808
 809         if (value < 0)
 810                 return value;
 811
 812         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 813                 return -EIO;
 814         item->value = value;
 815         item->valid = 1;
 816         return count;
 817 }
 818
 819
 820 /*
 821  * Backlight device
 822  */
 823 static int sony_backlight_update_status(struct backlight_device *bd)
 824 {
 825         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 826                                 bd->props.brightness + 1, NULL);
 827 }
 828
 829 static int sony_backlight_get_brightness(struct backlight_device *bd)
 830 {
 831         int value;
 832
 833         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 834                 return 0;
 835         /* brightness levels are 1-based, while backlight ones are 0-based */
 836         return value - 1;
 837 }
 838
 839 static struct backlight_device *sony_backlight_device;
 840 static struct backlight_ops sony_backlight_ops = {
 841         .update_status = sony_backlight_update_status,
 842         .get_brightness = sony_backlight_get_brightness,
 843 };
 844
 845 /*
 846  * New SNC-only Vaios event mapping to driver known keys
 847  */
 848 struct sony_nc_event {
 849         u8      data;
 850         u8      event;
 851 };
 852
 853 static struct sony_nc_event sony_nc_events[] = {
 854         { 0x90, SONYPI_EVENT_PKEY_P1 },
 855         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 856         { 0x91, SONYPI_EVENT_PKEY_P1 },
 857         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 858         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 859         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 860         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 861         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 862         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 863         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 864         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 865         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 866         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 867         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 868         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 869         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 870         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 871         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 872         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 873         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 874         { 0, 0 },
 875 };
 876
 877 /*
 878  * ACPI callbacks
 879  */
 880 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
 881 {
 882         u32 ev = event;
 883         int result;
 884
 885         if (ev >= 0x90) {
 886                 /* New-style event */
 887                 int origev = ev;
 888                 ev -= 0x90;
 889
 890                 if (sony_find_snc_handle(0x100) == ev) {
 891                         int i;
 892
 893                         if (sony_call_snc_handle(0x100, 0x200, &result))
 894                                 dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
 895                         else
 896                                 ev = result & 0xFF;
 897
 898                         for (i = 0; sony_nc_events[i].event; i++) {
 899                                 if (sony_nc_events[i].data == ev) {
 900                                         ev = sony_nc_events[i].event;
 901                                         break;
 902                                 }
 903                         }
 904
 905                         if (!sony_nc_events[i].data)
 906                                 printk(KERN_INFO DRV_PFX
 907                                        "Unknown event: %x %x\n", origev, ev);
 908                 } else if (sony_find_snc_handle(0x124) == ev) {
 909                         sony_nc_rfkill_update();
 910                         return;
 911                 }
 912         }
 913
 914         dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
 915         sony_laptop_report_input_event(ev);
 916         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 917 }
 918
 919 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 920                                       void *context, void **return_value)
 921 {
 922         struct acpi_device_info *info;
 923         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 924
 925         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
 926                 info = buffer.pointer;
 927
 928                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 929                         (char *)&info->name, info->param_count);
 930
 931                 kfree(buffer.pointer);
 932         }
 933
 934         return AE_OK;
 935 }
 936
 937 /*
 938  * ACPI device
 939  */
 940 static int sony_nc_function_setup(struct acpi_device *device)
 941 {
 942         int result;
 943
 944         /* Enable all events */
 945         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
 946
 947         /* Setup hotkeys */
 948         sony_call_snc_handle(0x0100, 0, &result);
 949         sony_call_snc_handle(0x0101, 0, &result);
 950         sony_call_snc_handle(0x0102, 0x100, &result);
 951
 952         return 0;
 953 }
 954
 955 static int sony_nc_resume(struct acpi_device *device)
 956 {
 957         struct sony_nc_value *item;
 958         acpi_handle handle;
 959
 960         for (item = sony_nc_values; item->name; item++) {
 961                 int ret;
 962
 963                 if (!item->valid)
 964                         continue;
 965                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
 966                                        item->value, NULL);
 967                 if (ret < 0) {
 968                         printk("%s: %d\n", __func__, ret);
 969                         break;
 970                 }
 971         }
 972
 973         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
 974                                          &handle))) {
 975                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
 976                         dprintk("ECON Method failed\n");
 977         }
 978
 979         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
 980                                          &handle))) {
 981                 dprintk("Doing SNC setup\n");
 982                 sony_nc_function_setup(device);
 983         }
 984
 985         /* set the last requested brightness level */
 986         if (sony_backlight_device &&
 987                         !sony_backlight_update_status(sony_backlight_device))
 988                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
 989
 990         return 0;
 991 }
 992
 993 static void sony_nc_rfkill_cleanup(void)
 994 {
 995         int i;
 996
 997         for (i = 0; i < SONY_RFKILL_MAX; i++) {
 998                 if (sony_rfkill_devices[i])
 999                         rfkill_unregister(sony_rfkill_devices[i]);
1000         }
1001 }
1002
1003 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1004 {
1005         int result;
1006         int argument = sony_rfkill_address[(long) data];
1007
1008         sony_call_snc_handle(0x124, 0x200, &result);
1009         if (result & 0x1) {
1010                 sony_call_snc_handle(0x124, argument, &result);
1011                 if (result & 0xf)
1012                         *state = RFKILL_STATE_UNBLOCKED;
1013                 else
1014                         *state = RFKILL_STATE_SOFT_BLOCKED;
1015         } else {
1016                 *state = RFKILL_STATE_HARD_BLOCKED;
1017         }
1018
1019         return 0;
1020 }
1021
1022 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1023 {
1024         int result;
1025         int argument = sony_rfkill_address[(long) data] + 0x100;
1026
1027         if (state == RFKILL_STATE_UNBLOCKED)
1028                 argument |= 0xff0000;
1029
1030         return sony_call_snc_handle(0x124, argument, &result);
1031 }
1032
1033 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1034 {
1035         int err = 0;
1036         struct rfkill *sony_wifi_rfkill;
1037
1038         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1039         if (!sony_wifi_rfkill)
1040                 return -1;
1041         sony_wifi_rfkill->name = "sony-wifi";
1042         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1043         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1044         sony_wifi_rfkill->user_claim_unsupported = 1;
1045         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1046         err = rfkill_register(sony_wifi_rfkill);
1047         if (err)
1048                 rfkill_free(sony_wifi_rfkill);
1049         else
1050                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1051         return err;
1052 }
1053
1054 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1055 {
1056         int err = 0;
1057         struct rfkill *sony_bluetooth_rfkill;
1058
1059         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1060                                                 RFKILL_TYPE_BLUETOOTH);
1061         if (!sony_bluetooth_rfkill)
1062                 return -1;
1063         sony_bluetooth_rfkill->name = "sony-bluetooth";
1064         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1065         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1066         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1067         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1068         err = rfkill_register(sony_bluetooth_rfkill);
1069         if (err)
1070                 rfkill_free(sony_bluetooth_rfkill);
1071         else
1072                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1073         return err;
1074 }
1075
1076 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1077 {
1078         int err = 0;
1079         struct rfkill *sony_wwan_rfkill;
1080
1081         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1082         if (!sony_wwan_rfkill)
1083                 return -1;
1084         sony_wwan_rfkill->name = "sony-wwan";
1085         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1086         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1087         sony_wwan_rfkill->user_claim_unsupported = 1;
1088         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1089         err = rfkill_register(sony_wwan_rfkill);
1090         if (err)
1091                 rfkill_free(sony_wwan_rfkill);
1092         else
1093                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1094         return err;
1095 }
1096
1097 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1098 {
1099         int err = 0;
1100         struct rfkill *sony_wimax_rfkill;
1101
1102         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1103         if (!sony_wimax_rfkill)
1104                 return -1;
1105         sony_wimax_rfkill->name = "sony-wimax";
1106         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1107         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1108         sony_wimax_rfkill->user_claim_unsupported = 1;
1109         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1110         err = rfkill_register(sony_wimax_rfkill);
1111         if (err)
1112                 rfkill_free(sony_wimax_rfkill);
1113         else
1114                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1115         return err;
1116 }
1117
1118 static void sony_nc_rfkill_update()
1119 {
1120         int i;
1121         enum rfkill_state state;
1122
1123         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1124                 if (sony_rfkill_devices[i]) {
1125                         sony_rfkill_devices[i]->
1126                                 get_state(sony_rfkill_devices[i]->data,
1127                                           &state);
1128                         rfkill_force_state(sony_rfkill_devices[i], state);
1129                 }
1130         }
1131 }
1132
1133 static int sony_nc_rfkill_setup(struct acpi_device *device)
1134 {
1135         int result, ret;
1136
1137         if (sony_find_snc_handle(0x124) == -1)
1138                 return -1;
1139
1140         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1141         if (ret) {
1142                 printk(KERN_INFO DRV_PFX
1143                        "Unable to enumerate rfkill devices: %x\n", ret);
1144                 return ret;
1145         }
1146
1147         if (result & 0x1)
1148                 sony_nc_setup_wifi_rfkill(device);
1149         if (result & 0x2)
1150                 sony_nc_setup_bluetooth_rfkill(device);
1151         if (result & 0x1c)
1152                 sony_nc_setup_wwan_rfkill(device);
1153         if (result & 0x20)
1154                 sony_nc_setup_wimax_rfkill(device);
1155
1156         return 0;
1157 }
1158
1159 static int sony_nc_add(struct acpi_device *device)
1160 {
1161         acpi_status status;
1162         int result = 0;
1163         acpi_handle handle;
1164         struct sony_nc_value *item;
1165
1166         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1167                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1168
1169         sony_nc_acpi_device = device;
1170         strcpy(acpi_device_class(device), "sony/hotkey");
1171
1172         sony_nc_acpi_handle = device->handle;
1173
1174         /* read device status */
1175         result = acpi_bus_get_status(device);
1176         /* bail IFF the above call was successful and the device is not present */
1177         if (!result && !device->status.present) {
1178                 dprintk("Device not present\n");
1179                 result = -ENODEV;
1180                 goto outwalk;
1181         }
1182
1183         if (debug) {
1184                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1185                                              1, sony_walk_callback, NULL, NULL);
1186                 if (ACPI_FAILURE(status)) {
1187                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1188                         result = -ENODEV;
1189                         goto outwalk;
1190                 }
1191         }
1192
1193         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1194          * should be respected as we already checked for the device presence above */
1195         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1196                 dprintk("Invoking _INI\n");
1197                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1198                                                 NULL, NULL)))
1199                         dprintk("_INI Method failed\n");
1200         }
1201
1202         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1203                                          &handle))) {
1204                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1205                         dprintk("ECON Method failed\n");
1206         }
1207
1208         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1209                                          &handle))) {
1210                 dprintk("Doing SNC setup\n");
1211                 sony_nc_function_setup(device);
1212                 sony_nc_rfkill_setup(device);
1213         }
1214
1215         /* setup input devices and helper fifo */
1216         result = sony_laptop_setup_input(device);
1217         if (result) {
1218                 printk(KERN_ERR DRV_PFX
1219                                 "Unabe to create input devices.\n");
1220                 goto outwalk;
1221         }
1222
1223         status = acpi_install_notify_handler(sony_nc_acpi_handle,
1224                                              ACPI_DEVICE_NOTIFY,
1225                                              sony_acpi_notify, NULL);
1226         if (ACPI_FAILURE(status)) {
1227                 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1228                 result = -ENODEV;
1229                 goto outinput;
1230         }
1231
1232         if (acpi_video_backlight_support()) {
1233                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1234                        "controlled by ACPI video driver\n");
1235         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1236                                                 &handle))) {
1237                 sony_backlight_device = backlight_device_register("sony", NULL,
1238                                                                   NULL,
1239                                                                   &sony_backlight_ops);
1240
1241                 if (IS_ERR(sony_backlight_device)) {
1242                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1243                         sony_backlight_device = NULL;
1244                 } else {
1245                         sony_backlight_device->props.brightness =
1246                             sony_backlight_get_brightness
1247                             (sony_backlight_device);
1248                         sony_backlight_device->props.max_brightness =
1249                             SONY_MAX_BRIGHTNESS - 1;
1250                 }
1251
1252         }
1253
1254         result = sony_pf_add();
1255         if (result)
1256                 goto outbacklight;
1257
1258         /* create sony_pf sysfs attributes related to the SNC device */
1259         for (item = sony_nc_values; item->name; ++item) {
1260
1261                 if (!debug && item->debug)
1262                         continue;
1263
1264                 /* find the available acpiget as described in the DSDT */
1265                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1266                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1267                                                          *item->acpiget,
1268                                                          &handle))) {
1269                                 dprintk("Found %s getter: %s\n",
1270                                                 item->name, *item->acpiget);
1271                                 item->devattr.attr.mode |= S_IRUGO;
1272                                 break;
1273                         }
1274                 }
1275
1276                 /* find the available acpiset as described in the DSDT */
1277                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1278                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1279                                                          *item->acpiset,
1280                                                          &handle))) {
1281                                 dprintk("Found %s setter: %s\n",
1282                                                 item->name, *item->acpiset);
1283                                 item->devattr.attr.mode |= S_IWUSR;
1284                                 break;
1285                         }
1286                 }
1287
1288                 if (item->devattr.attr.mode != 0) {
1289                         result =
1290                             device_create_file(&sony_pf_device->dev,
1291                                                &item->devattr);
1292                         if (result)
1293                                 goto out_sysfs;
1294                 }
1295         }
1296
1297         return 0;
1298
1299       out_sysfs:
1300         for (item = sony_nc_values; item->name; ++item) {
1301                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1302         }
1303         sony_pf_remove();
1304
1305       outbacklight:
1306         if (sony_backlight_device)
1307                 backlight_device_unregister(sony_backlight_device);
1308
1309         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1310                                             ACPI_DEVICE_NOTIFY,
1311                                             sony_acpi_notify);
1312         if (ACPI_FAILURE(status))
1313                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1314
1315       outinput:
1316         sony_laptop_remove_input();
1317
1318       outwalk:
1319         sony_nc_rfkill_cleanup();
1320         return result;
1321 }
1322
1323 static int sony_nc_remove(struct acpi_device *device, int type)
1324 {
1325         acpi_status status;
1326         struct sony_nc_value *item;
1327
1328         if (sony_backlight_device)
1329                 backlight_device_unregister(sony_backlight_device);
1330
1331         sony_nc_acpi_device = NULL;
1332
1333         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1334                                             ACPI_DEVICE_NOTIFY,
1335                                             sony_acpi_notify);
1336         if (ACPI_FAILURE(status))
1337                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1338
1339         for (item = sony_nc_values; item->name; ++item) {
1340                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1341         }
1342
1343         sony_pf_remove();
1344         sony_laptop_remove_input();
1345         sony_nc_rfkill_cleanup();
1346         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1347
1348         return 0;
1349 }
1350
1351 static const struct acpi_device_id sony_device_ids[] = {
1352         {SONY_NC_HID, 0},
1353         {SONY_PIC_HID, 0},
1354         {"", 0},
1355 };
1356 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1357
1358 static const struct acpi_device_id sony_nc_device_ids[] = {
1359         {SONY_NC_HID, 0},
1360         {"", 0},
1361 };
1362
1363 static struct acpi_driver sony_nc_driver = {
1364         .name = SONY_NC_DRIVER_NAME,
1365         .class = SONY_NC_CLASS,
1366         .ids = sony_nc_device_ids,
1367         .owner = THIS_MODULE,
1368         .ops = {
1369                 .add = sony_nc_add,
1370                 .remove = sony_nc_remove,
1371                 .resume = sony_nc_resume,
1372                 },
1373 };
1374
1375 /*********** SPIC (SNY6001) Device ***********/
1376
1377 #define SONYPI_DEVICE_TYPE1     0x00000001
1378 #define SONYPI_DEVICE_TYPE2     0x00000002
1379 #define SONYPI_DEVICE_TYPE3     0x00000004
1380 #define SONYPI_DEVICE_TYPE4     0x00000008
1381
1382 #define SONYPI_TYPE1_OFFSET     0x04
1383 #define SONYPI_TYPE2_OFFSET     0x12
1384 #define SONYPI_TYPE3_OFFSET     0x12
1385 #define SONYPI_TYPE4_OFFSET     0x12
1386
1387 struct sony_pic_ioport {
1388         struct acpi_resource_io io1;
1389         struct acpi_resource_io io2;
1390         struct list_head        list;
1391 };
1392
1393 struct sony_pic_irq {
1394         struct acpi_resource_irq        irq;
1395         struct list_head                list;
1396 };
1397
1398 struct sonypi_eventtypes {
1399         u8                      data;
1400         unsigned long           mask;
1401         struct sonypi_event     *events;
1402 };
1403
1404 struct device_ctrl {
1405         int                             model;
1406         int                             (*handle_irq)(const u8, const u8);
1407         u16                             evport_offset;
1408         u8                              has_camera;
1409         u8                              has_bluetooth;
1410         u8                              has_wwan;
1411         struct sonypi_eventtypes        *event_types;
1412 };
1413
1414 struct sony_pic_dev {
1415         struct device_ctrl      *control;
1416         struct acpi_device      *acpi_dev;
1417         struct sony_pic_irq     *cur_irq;
1418         struct sony_pic_ioport  *cur_ioport;
1419         struct list_head        interrupts;
1420         struct list_head        ioports;
1421         struct mutex            lock;
1422         u8                      camera_power;
1423         u8                      bluetooth_power;
1424         u8                      wwan_power;
1425 };
1426
1427 static struct sony_pic_dev spic_dev = {
1428         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1429         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1430 };
1431
1432 /* Event masks */
1433 #define SONYPI_JOGGER_MASK                      0x00000001
1434 #define SONYPI_CAPTURE_MASK                     0x00000002
1435 #define SONYPI_FNKEY_MASK                       0x00000004
1436 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1437 #define SONYPI_PKEY_MASK                        0x00000010
1438 #define SONYPI_BACK_MASK                        0x00000020
1439 #define SONYPI_HELP_MASK                        0x00000040
1440 #define SONYPI_LID_MASK                         0x00000080
1441 #define SONYPI_ZOOM_MASK                        0x00000100
1442 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1443 #define SONYPI_MEYE_MASK                        0x00000400
1444 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1445 #define SONYPI_BATTERY_MASK                     0x00001000
1446 #define SONYPI_WIRELESS_MASK                    0x00002000
1447
1448 struct sonypi_event {
1449         u8      data;
1450         u8      event;
1451 };
1452
1453 /* The set of possible button release events */
1454 static struct sonypi_event sonypi_releaseev[] = {
1455         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1456         { 0, 0 }
1457 };
1458
1459 /* The set of possible jogger events  */
1460 static struct sonypi_event sonypi_joggerev[] = {
1461         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1462         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1463         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1464         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1465         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1466         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1467         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1468         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1469         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1470         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1471         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1472         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1473         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1474         { 0, 0 }
1475 };
1476
1477 /* The set of possible capture button events */
1478 static struct sonypi_event sonypi_captureev[] = {
1479         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1480         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1481         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1482         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1483         { 0, 0 }
1484 };
1485
1486 /* The set of possible fnkeys events */
1487 static struct sonypi_event sonypi_fnkeyev[] = {
1488         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1489         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1490         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1491         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1492         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1493         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1494         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1495         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1496         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1497         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1498         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1499         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1500         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1501         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1502         { 0x21, SONYPI_EVENT_FNKEY_1 },
1503         { 0x22, SONYPI_EVENT_FNKEY_2 },
1504         { 0x31, SONYPI_EVENT_FNKEY_D },
1505         { 0x32, SONYPI_EVENT_FNKEY_E },
1506         { 0x33, SONYPI_EVENT_FNKEY_F },
1507         { 0x34, SONYPI_EVENT_FNKEY_S },
1508         { 0x35, SONYPI_EVENT_FNKEY_B },
1509         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1510         { 0, 0 }
1511 };
1512
1513 /* The set of possible program key events */
1514 static struct sonypi_event sonypi_pkeyev[] = {
1515         { 0x01, SONYPI_EVENT_PKEY_P1 },
1516         { 0x02, SONYPI_EVENT_PKEY_P2 },
1517         { 0x04, SONYPI_EVENT_PKEY_P3 },
1518         { 0, 0 }
1519 };
1520
1521 /* The set of possible bluetooth events */
1522 static struct sonypi_event sonypi_blueev[] = {
1523         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1524         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1525         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1526         { 0, 0 }
1527 };
1528
1529 /* The set of possible wireless events */
1530 static struct sonypi_event sonypi_wlessev[] = {
1531         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1532         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1533         { 0, 0 }
1534 };
1535
1536 /* The set of possible back button events */
1537 static struct sonypi_event sonypi_backev[] = {
1538         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1539         { 0, 0 }
1540 };
1541
1542 /* The set of possible help button events */
1543 static struct sonypi_event sonypi_helpev[] = {
1544         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1545         { 0, 0 }
1546 };
1547
1548
1549 /* The set of possible lid events */
1550 static struct sonypi_event sonypi_lidev[] = {
1551         { 0x51, SONYPI_EVENT_LID_CLOSED },
1552         { 0x50, SONYPI_EVENT_LID_OPENED },
1553         { 0, 0 }
1554 };
1555
1556 /* The set of possible zoom events */
1557 static struct sonypi_event sonypi_zoomev[] = {
1558         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1559         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1560         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1561         { 0, 0 }
1562 };
1563
1564 /* The set of possible thumbphrase events */
1565 static struct sonypi_event sonypi_thumbphraseev[] = {
1566         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1567         { 0, 0 }
1568 };
1569
1570 /* The set of possible motioneye camera events */
1571 static struct sonypi_event sonypi_meyeev[] = {
1572         { 0x00, SONYPI_EVENT_MEYE_FACE },
1573         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1574         { 0, 0 }
1575 };
1576
1577 /* The set of possible memorystick events */
1578 static struct sonypi_event sonypi_memorystickev[] = {
1579         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1580         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1581         { 0, 0 }
1582 };
1583
1584 /* The set of possible battery events */
1585 static struct sonypi_event sonypi_batteryev[] = {
1586         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1587         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1588         { 0, 0 }
1589 };
1590
1591 static struct sonypi_eventtypes type1_events[] = {
1592         { 0, 0xffffffff, sonypi_releaseev },
1593         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1594         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1595         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1596         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1597         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1598         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1599         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1600         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1601         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1602         { 0 },
1603 };
1604 static struct sonypi_eventtypes type2_events[] = {
1605         { 0, 0xffffffff, sonypi_releaseev },
1606         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1607         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1608         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1609         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1610         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1611         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1612         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1613         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1614         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1615         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1616         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1617         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1618         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1619         { 0 },
1620 };
1621 static struct sonypi_eventtypes type3_events[] = {
1622         { 0, 0xffffffff, sonypi_releaseev },
1623         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1624         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1625         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1626         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1627         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1628         { 0 },
1629 };
1630 static struct sonypi_eventtypes type4_events[] = {
1631         { 0, 0xffffffff, sonypi_releaseev },
1632         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1633         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1634         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1635         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1636         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1637         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1638         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1639         { 0 },
1640 };
1641
1642 /* low level spic calls */
1643 #define ITERATIONS_LONG         10000
1644 #define ITERATIONS_SHORT        10
1645 #define wait_on_command(command, iterations) {                          \
1646         unsigned int n = iterations;                                    \
1647         while (--n && (command))                                        \
1648                 udelay(1);                                              \
1649         if (!n)                                                         \
1650                 dprintk("command failed at %s : %s (line %d)\n",        \
1651                                 __FILE__, __func__, __LINE__);  \
1652 }
1653
1654 static u8 sony_pic_call1(u8 dev)
1655 {
1656         u8 v1, v2;
1657
1658         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1659                         ITERATIONS_LONG);
1660         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1661         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1662         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1663         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1664         return v2;
1665 }
1666
1667 static u8 sony_pic_call2(u8 dev, u8 fn)
1668 {
1669         u8 v1;
1670
1671         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1672                         ITERATIONS_LONG);
1673         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1674         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1675                         ITERATIONS_LONG);
1676         outb(fn, spic_dev.cur_ioport->io1.minimum);
1677         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1678         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1679         return v1;
1680 }
1681
1682 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1683 {
1684         u8 v1;
1685
1686         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1687         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1688         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1689         outb(fn, spic_dev.cur_ioport->io1.minimum);
1690         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1691         outb(v, spic_dev.cur_ioport->io1.minimum);
1692         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1693         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1694                         dev, fn, v, v1);
1695         return v1;
1696 }
1697
1698 /*
1699  * minidrivers for SPIC models
1700  */
1701 static int type4_handle_irq(const u8 data_mask, const u8 ev)
1702 {
1703         /*
1704          * 0x31 could mean we have to take some extra action and wait for
1705          * the next irq for some Type4 models, it will generate a new
1706          * irq and we can read new data from the device:
1707          *  - 0x5c and 0x5f requires 0xA0
1708          *  - 0x61 requires 0xB3
1709          */
1710         if (data_mask == 0x31) {
1711                 if (ev == 0x5c || ev == 0x5f)
1712                         sony_pic_call1(0xA0);
1713                 else if (ev == 0x61)
1714                         sony_pic_call1(0xB3);
1715                 return 0;
1716         }
1717         return 1;
1718 }
1719
1720 static struct device_ctrl spic_types[] = {
1721         {
1722                 .model = SONYPI_DEVICE_TYPE1,
1723                 .handle_irq = NULL,
1724                 .evport_offset = SONYPI_TYPE1_OFFSET,
1725                 .event_types = type1_events,
1726         },
1727         {
1728                 .model = SONYPI_DEVICE_TYPE2,
1729                 .handle_irq = NULL,
1730                 .evport_offset = SONYPI_TYPE2_OFFSET,
1731                 .event_types = type2_events,
1732         },
1733         {
1734                 .model = SONYPI_DEVICE_TYPE3,
1735                 .handle_irq = NULL,
1736                 .evport_offset = SONYPI_TYPE3_OFFSET,
1737                 .event_types = type3_events,
1738         },
1739         {
1740                 .model = SONYPI_DEVICE_TYPE4,
1741                 .handle_irq = type4_handle_irq,
1742                 .evport_offset = SONYPI_TYPE4_OFFSET,
1743                 .event_types = type4_events,
1744         },
1745 };
1746
1747 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1748 {
1749         struct pci_dev *pcidev;
1750
1751         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1752                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1753         if (pcidev) {
1754                 dev->control = &spic_types[0];
1755                 goto out;
1756         }
1757
1758         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1759                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1760         if (pcidev) {
1761                 dev->control = &spic_types[2];
1762                 goto out;
1763         }
1764
1765         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1766                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1767         if (pcidev) {
1768                 dev->control = &spic_types[3];
1769                 goto out;
1770         }
1771
1772         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1773                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1774         if (pcidev) {
1775                 dev->control = &spic_types[3];
1776                 goto out;
1777         }
1778
1779         /* default */
1780         dev->control = &spic_types[1];
1781
1782 out:
1783         if (pcidev)
1784                 pci_dev_put(pcidev);
1785
1786         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1787                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1788                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
1789                         dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
1790 }
1791
1792 /* camera tests and poweron/poweroff */
1793 #define SONYPI_CAMERA_PICTURE           5
1794 #define SONYPI_CAMERA_CONTROL           0x10
1795
1796 #define SONYPI_CAMERA_BRIGHTNESS                0
1797 #define SONYPI_CAMERA_CONTRAST                  1
1798 #define SONYPI_CAMERA_HUE                       2
1799 #define SONYPI_CAMERA_COLOR                     3
1800 #define SONYPI_CAMERA_SHARPNESS                 4
1801
1802 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1803 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1804 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1805 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1806
1807 /* the rest don't need a loop until not 0xff */
1808 #define SONYPI_CAMERA_AGC                       6
1809 #define SONYPI_CAMERA_AGC_MASK                  0x30
1810 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1811
1812 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1813 #define SONYPI_CAMERA_CONTROL                   0x10
1814
1815 #define SONYPI_CAMERA_STATUS                    7
1816 #define SONYPI_CAMERA_STATUS_READY              0x2
1817 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1818
1819 #define SONYPI_DIRECTION_BACKWARDS              0x4
1820
1821 #define SONYPI_CAMERA_REVISION                  8
1822 #define SONYPI_CAMERA_ROMVERSION                9
1823
1824 static int __sony_pic_camera_ready(void)
1825 {
1826         u8 v;
1827
1828         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1829         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1830 }
1831
1832 static int __sony_pic_camera_off(void)
1833 {
1834         if (!camera) {
1835                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1836                 return -ENODEV;
1837         }
1838
1839         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1840                                 SONYPI_CAMERA_MUTE_MASK),
1841                         ITERATIONS_SHORT);
1842
1843         if (spic_dev.camera_power) {
1844                 sony_pic_call2(0x91, 0);
1845                 spic_dev.camera_power = 0;
1846         }
1847         return 0;
1848 }
1849
1850 static int __sony_pic_camera_on(void)
1851 {
1852         int i, j, x;
1853
1854         if (!camera) {
1855                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1856                 return -ENODEV;
1857         }
1858
1859         if (spic_dev.camera_power)
1860                 return 0;
1861
1862         for (j = 5; j > 0; j--) {
1863
1864                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1865                         msleep(10);
1866                 sony_pic_call1(0x93);
1867
1868                 for (i = 400; i > 0; i--) {
1869                         if (__sony_pic_camera_ready())
1870                                 break;
1871                         msleep(10);
1872                 }
1873                 if (i)
1874                         break;
1875         }
1876
1877         if (j == 0) {
1878                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1879                 return -ENODEV;
1880         }
1881
1882         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1883                                 0x5a),
1884                         ITERATIONS_SHORT);
1885
1886         spic_dev.camera_power = 1;
1887         return 0;
1888 }
1889
1890 /* External camera command (exported to the motion eye v4l driver) */
1891 int sony_pic_camera_command(int command, u8 value)
1892 {
1893         if (!camera)
1894                 return -EIO;
1895
1896         mutex_lock(&spic_dev.lock);
1897
1898         switch (command) {
1899         case SONY_PIC_COMMAND_SETCAMERA:
1900                 if (value)
1901                         __sony_pic_camera_on();
1902                 else
1903                         __sony_pic_camera_off();
1904                 break;
1905         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1906                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1907                                 ITERATIONS_SHORT);
1908                 break;
1909         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1910                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1911                                 ITERATIONS_SHORT);
1912                 break;
1913         case SONY_PIC_COMMAND_SETCAMERAHUE:
1914                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1915                                 ITERATIONS_SHORT);
1916                 break;
1917         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1918                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1919                                 ITERATIONS_SHORT);
1920                 break;
1921         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1922                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1923                                 ITERATIONS_SHORT);
1924                 break;
1925         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1926                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1927                                 ITERATIONS_SHORT);
1928                 break;
1929         case SONY_PIC_COMMAND_SETCAMERAAGC:
1930                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1931                                 ITERATIONS_SHORT);
1932                 break;
1933         default:
1934                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1935                        command);
1936                 break;
1937         }
1938         mutex_unlock(&spic_dev.lock);
1939         return 0;
1940 }
1941 EXPORT_SYMBOL(sony_pic_camera_command);
1942
1943 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1944 static void sony_pic_set_wwanpower(u8 state)
1945 {
1946         state = !!state;
1947         mutex_lock(&spic_dev.lock);
1948         if (spic_dev.wwan_power == state) {
1949                 mutex_unlock(&spic_dev.lock);
1950                 return;
1951         }
1952         sony_pic_call2(0xB0, state);
1953         spic_dev.wwan_power = state;
1954         mutex_unlock(&spic_dev.lock);
1955 }
1956
1957 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1958                 struct device_attribute *attr,
1959                 const char *buffer, size_t count)
1960 {
1961         unsigned long value;
1962         if (count > 31)
1963                 return -EINVAL;
1964
1965         value = simple_strtoul(buffer, NULL, 10);
1966         sony_pic_set_wwanpower(value);
1967
1968         return count;
1969 }
1970
1971 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1972                 struct device_attribute *attr, char *buffer)
1973 {
1974         ssize_t count;
1975         mutex_lock(&spic_dev.lock);
1976         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1977         mutex_unlock(&spic_dev.lock);
1978         return count;
1979 }
1980
1981 /* bluetooth subsystem power state */
1982 static void __sony_pic_set_bluetoothpower(u8 state)
1983 {
1984         state = !!state;
1985         if (spic_dev.bluetooth_power == state)
1986                 return;
1987         sony_pic_call2(0x96, state);
1988         sony_pic_call1(0x82);
1989         spic_dev.bluetooth_power = state;
1990 }
1991
1992 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1993                 struct device_attribute *attr,
1994                 const char *buffer, size_t count)
1995 {
1996         unsigned long value;
1997         if (count > 31)
1998                 return -EINVAL;
1999
2000         value = simple_strtoul(buffer, NULL, 10);
2001         mutex_lock(&spic_dev.lock);
2002         __sony_pic_set_bluetoothpower(value);
2003         mutex_unlock(&spic_dev.lock);
2004
2005         return count;
2006 }
2007
2008 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2009                 struct device_attribute *attr, char *buffer)
2010 {
2011         ssize_t count = 0;
2012         mutex_lock(&spic_dev.lock);
2013         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2014         mutex_unlock(&spic_dev.lock);
2015         return count;
2016 }
2017
2018 /* fan speed */
2019 /* FAN0 information (reverse engineered from ACPI tables) */
2020 #define SONY_PIC_FAN0_STATUS    0x93
2021 static int sony_pic_set_fanspeed(unsigned long value)
2022 {
2023         return ec_write(SONY_PIC_FAN0_STATUS, value);
2024 }
2025
2026 static int sony_pic_get_fanspeed(u8 *value)
2027 {
2028         return ec_read(SONY_PIC_FAN0_STATUS, value);
2029 }
2030
2031 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2032                 struct device_attribute *attr,
2033                 const char *buffer, size_t count)
2034 {
2035         unsigned long value;
2036         if (count > 31)
2037                 return -EINVAL;
2038
2039         value = simple_strtoul(buffer, NULL, 10);
2040         if (sony_pic_set_fanspeed(value))
2041                 return -EIO;
2042
2043         return count;
2044 }
2045
2046 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2047                 struct device_attribute *attr, char *buffer)
2048 {
2049         u8 value = 0;
2050         if (sony_pic_get_fanspeed(&value))
2051                 return -EIO;
2052
2053         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2054 }
2055
2056 #define SPIC_ATTR(_name, _mode)                                 \
2057 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2058                 _mode, sony_pic_## _name ##_show,               \
2059                 sony_pic_## _name ##_store)
2060
2061 static SPIC_ATTR(bluetoothpower, 0644);
2062 static SPIC_ATTR(wwanpower, 0644);
2063 static SPIC_ATTR(fanspeed, 0644);
2064
2065 static struct attribute *spic_attributes[] = {
2066         &spic_attr_bluetoothpower.attr,
2067         &spic_attr_wwanpower.attr,
2068         &spic_attr_fanspeed.attr,
2069         NULL
2070 };
2071
2072 static struct attribute_group spic_attribute_group = {
2073         .attrs = spic_attributes
2074 };
2075
2076 /******** SONYPI compatibility **********/
2077 #ifdef CONFIG_SONYPI_COMPAT
2078
2079 /* battery / brightness / temperature  addresses */
2080 #define SONYPI_BAT_FLAGS        0x81
2081 #define SONYPI_LCD_LIGHT        0x96
2082 #define SONYPI_BAT1_PCTRM       0xa0
2083 #define SONYPI_BAT1_LEFT        0xa2
2084 #define SONYPI_BAT1_MAXRT       0xa4
2085 #define SONYPI_BAT2_PCTRM       0xa8
2086 #define SONYPI_BAT2_LEFT        0xaa
2087 #define SONYPI_BAT2_MAXRT       0xac
2088 #define SONYPI_BAT1_MAXTK       0xb0
2089 #define SONYPI_BAT1_FULL        0xb2
2090 #define SONYPI_BAT2_MAXTK       0xb8
2091 #define SONYPI_BAT2_FULL        0xba
2092 #define SONYPI_TEMP_STATUS      0xC1
2093
2094 struct sonypi_compat_s {
2095         struct fasync_struct    *fifo_async;
2096         struct kfifo            *fifo;
2097         spinlock_t              fifo_lock;
2098         wait_queue_head_t       fifo_proc_list;
2099         atomic_t                open_count;
2100 };
2101 static struct sonypi_compat_s sonypi_compat = {
2102         .open_count = ATOMIC_INIT(0),
2103 };
2104
2105 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2106 {
2107         int retval;
2108
2109         retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2110         if (retval < 0)
2111                 return retval;
2112         return 0;
2113 }
2114
2115 static int sonypi_misc_release(struct inode *inode, struct file *file)
2116 {
2117         atomic_dec(&sonypi_compat.open_count);
2118         return 0;
2119 }
2120
2121 static int sonypi_misc_open(struct inode *inode, struct file *file)
2122 {
2123         /* Flush input queue on first open */
2124         lock_kernel();
2125         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2126                 kfifo_reset(sonypi_compat.fifo);
2127         unlock_kernel();
2128         return 0;
2129 }
2130
2131 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2132                                 size_t count, loff_t *pos)
2133 {
2134         ssize_t ret;
2135         unsigned char c;
2136
2137         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2138             (file->f_flags & O_NONBLOCK))
2139                 return -EAGAIN;
2140
2141         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2142                                        kfifo_len(sonypi_compat.fifo) != 0);
2143         if (ret)
2144                 return ret;
2145
2146         while (ret < count &&
2147                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2148                 if (put_user(c, buf++))
2149                         return -EFAULT;
2150                 ret++;
2151         }
2152
2153         if (ret > 0) {
2154                 struct inode *inode = file->f_path.dentry->d_inode;
2155                 inode->i_atime = current_fs_time(inode->i_sb);
2156         }
2157
2158         return ret;
2159 }
2160
2161 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2162 {
2163         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2164         if (kfifo_len(sonypi_compat.fifo))
2165                 return POLLIN | POLLRDNORM;
2166         return 0;
2167 }
2168
2169 static int ec_read16(u8 addr, u16 *value)
2170 {
2171         u8 val_lb, val_hb;
2172         if (ec_read(addr, &val_lb))
2173                 return -1;
2174         if (ec_read(addr + 1, &val_hb))
2175                 return -1;
2176         *value = val_lb | (val_hb << 8);
2177         return 0;
2178 }
2179
2180 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
2181                              unsigned int cmd, unsigned long arg)
2182 {
2183         int ret = 0;
2184         void __user *argp = (void __user *)arg;
2185         u8 val8;
2186         u16 val16;
2187         int value;
2188
2189         mutex_lock(&spic_dev.lock);
2190         switch (cmd) {
2191         case SONYPI_IOCGBRT:
2192                 if (sony_backlight_device == NULL) {
2193                         ret = -EIO;
2194                         break;
2195                 }
2196                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2197                         ret = -EIO;
2198                         break;
2199                 }
2200                 val8 = ((value & 0xff) - 1) << 5;
2201                 if (copy_to_user(argp, &val8, sizeof(val8)))
2202                                 ret = -EFAULT;
2203                 break;
2204         case SONYPI_IOCSBRT:
2205                 if (sony_backlight_device == NULL) {
2206                         ret = -EIO;
2207                         break;
2208                 }
2209                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2210                         ret = -EFAULT;
2211                         break;
2212                 }
2213                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2214                                 (val8 >> 5) + 1, NULL)) {
2215                         ret = -EIO;
2216                         break;
2217                 }
2218                 /* sync the backlight device status */
2219                 sony_backlight_device->props.brightness =
2220                     sony_backlight_get_brightness(sony_backlight_device);
2221                 break;
2222         case SONYPI_IOCGBAT1CAP:
2223                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2224                         ret = -EIO;
2225                         break;
2226                 }
2227                 if (copy_to_user(argp, &val16, sizeof(val16)))
2228                         ret = -EFAULT;
2229                 break;
2230         case SONYPI_IOCGBAT1REM:
2231                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2232                         ret = -EIO;
2233                         break;
2234                 }
2235                 if (copy_to_user(argp, &val16, sizeof(val16)))
2236                         ret = -EFAULT;
2237                 break;
2238         case SONYPI_IOCGBAT2CAP:
2239                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2240                         ret = -EIO;
2241                         break;
2242                 }
2243                 if (copy_to_user(argp, &val16, sizeof(val16)))
2244                         ret = -EFAULT;
2245                 break;
2246         case SONYPI_IOCGBAT2REM:
2247                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2248                         ret = -EIO;
2249                         break;
2250                 }
2251                 if (copy_to_user(argp, &val16, sizeof(val16)))
2252                         ret = -EFAULT;
2253                 break;
2254         case SONYPI_IOCGBATFLAGS:
2255                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2256                         ret = -EIO;
2257                         break;
2258                 }
2259                 val8 &= 0x07;
2260                 if (copy_to_user(argp, &val8, sizeof(val8)))
2261                         ret = -EFAULT;
2262                 break;
2263         case SONYPI_IOCGBLUE:
2264                 val8 = spic_dev.bluetooth_power;
2265                 if (copy_to_user(argp, &val8, sizeof(val8)))
2266                         ret = -EFAULT;
2267                 break;
2268         case SONYPI_IOCSBLUE:
2269                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2270                         ret = -EFAULT;
2271                         break;
2272                 }
2273                 __sony_pic_set_bluetoothpower(val8);
2274                 break;
2275         /* FAN Controls */
2276         case SONYPI_IOCGFAN:
2277                 if (sony_pic_get_fanspeed(&val8)) {
2278                         ret = -EIO;
2279                         break;
2280                 }
2281                 if (copy_to_user(argp, &val8, sizeof(val8)))
2282                         ret = -EFAULT;
2283                 break;
2284         case SONYPI_IOCSFAN:
2285                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2286                         ret = -EFAULT;
2287                         break;
2288                 }
2289                 if (sony_pic_set_fanspeed(val8))
2290                         ret = -EIO;
2291                 break;
2292         /* GET Temperature (useful under APM) */
2293         case SONYPI_IOCGTEMP:
2294                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2295                         ret = -EIO;
2296                         break;
2297                 }
2298                 if (copy_to_user(argp, &val8, sizeof(val8)))
2299                         ret = -EFAULT;
2300                 break;
2301         default:
2302                 ret = -EINVAL;
2303         }
2304         mutex_unlock(&spic_dev.lock);
2305         return ret;
2306 }
2307
2308 static const struct file_operations sonypi_misc_fops = {
2309         .owner          = THIS_MODULE,
2310         .read           = sonypi_misc_read,
2311         .poll           = sonypi_misc_poll,
2312         .open           = sonypi_misc_open,
2313         .release        = sonypi_misc_release,
2314         .fasync         = sonypi_misc_fasync,
2315         .ioctl          = sonypi_misc_ioctl,
2316 };
2317
2318 static struct miscdevice sonypi_misc_device = {
2319         .minor          = MISC_DYNAMIC_MINOR,
2320         .name           = "sonypi",
2321         .fops           = &sonypi_misc_fops,
2322 };
2323
2324 static void sonypi_compat_report_event(u8 event)
2325 {
2326         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2327         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2328         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2329 }
2330
2331 static int sonypi_compat_init(void)
2332 {
2333         int error;
2334
2335         spin_lock_init(&sonypi_compat.fifo_lock);
2336         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2337                                          &sonypi_compat.fifo_lock);
2338         if (IS_ERR(sonypi_compat.fifo)) {
2339                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2340                 return PTR_ERR(sonypi_compat.fifo);
2341         }
2342
2343         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2344
2345         if (minor != -1)
2346                 sonypi_misc_device.minor = minor;
2347         error = misc_register(&sonypi_misc_device);
2348         if (error) {
2349                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2350                 goto err_free_kfifo;
2351         }
2352         if (minor == -1)
2353                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2354                        sonypi_misc_device.minor);
2355
2356         return 0;
2357
2358 err_free_kfifo:
2359         kfifo_free(sonypi_compat.fifo);
2360         return error;
2361 }
2362
2363 static void sonypi_compat_exit(void)
2364 {
2365         misc_deregister(&sonypi_misc_device);
2366         kfifo_free(sonypi_compat.fifo);
2367 }
2368 #else
2369 static int sonypi_compat_init(void) { return 0; }
2370 static void sonypi_compat_exit(void) { }
2371 static void sonypi_compat_report_event(u8 event) { }
2372 #endif /* CONFIG_SONYPI_COMPAT */
2373
2374 /*
2375  * ACPI callbacks
2376  */
2377 static acpi_status
2378 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2379 {
2380         u32 i;
2381         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2382
2383         switch (resource->type) {
2384         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2385                 {
2386                         /* start IO enumeration */
2387                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2388                         if (!ioport)
2389                                 return AE_ERROR;
2390
2391                         list_add(&ioport->list, &dev->ioports);
2392                         return AE_OK;
2393                 }
2394
2395         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2396                 /* end IO enumeration */
2397                 return AE_OK;
2398
2399         case ACPI_RESOURCE_TYPE_IRQ:
2400                 {
2401                         struct acpi_resource_irq *p = &resource->data.irq;
2402                         struct sony_pic_irq *interrupt = NULL;
2403                         if (!p || !p->interrupt_count) {
2404                                 /*
2405                                  * IRQ descriptors may have no IRQ# bits set,
2406                                  * particularly those those w/ _STA disabled
2407                                  */
2408                                 dprintk("Blank IRQ resource\n");
2409                                 return AE_OK;
2410                         }
2411                         for (i = 0; i < p->interrupt_count; i++) {
2412                                 if (!p->interrupts[i]) {
2413                                         printk(KERN_WARNING DRV_PFX
2414                                                         "Invalid IRQ %d\n",
2415                                                         p->interrupts[i]);
2416                                         continue;
2417                                 }
2418                                 interrupt = kzalloc(sizeof(*interrupt),
2419                                                 GFP_KERNEL);
2420                                 if (!interrupt)
2421                                         return AE_ERROR;
2422
2423                                 list_add(&interrupt->list, &dev->interrupts);
2424                                 interrupt->irq.triggering = p->triggering;
2425                                 interrupt->irq.polarity = p->polarity;
2426                                 interrupt->irq.sharable = p->sharable;
2427                                 interrupt->irq.interrupt_count = 1;
2428                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2429                         }
2430                         return AE_OK;
2431                 }
2432         case ACPI_RESOURCE_TYPE_IO:
2433                 {
2434                         struct acpi_resource_io *io = &resource->data.io;
2435                         struct sony_pic_ioport *ioport =
2436                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2437                         if (!io) {
2438                                 dprintk("Blank IO resource\n");
2439                                 return AE_OK;
2440                         }
2441
2442                         if (!ioport->io1.minimum) {
2443                                 memcpy(&ioport->io1, io, sizeof(*io));
2444                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2445                                                 ioport->io1.address_length);
2446                         }
2447                         else if (!ioport->io2.minimum) {
2448                                 memcpy(&ioport->io2, io, sizeof(*io));
2449                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2450                                                 ioport->io2.address_length);
2451                         }
2452                         else {
2453                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2454                                 return AE_ERROR;
2455                         }
2456                         return AE_OK;
2457                 }
2458         default:
2459                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2460                                 resource->type);
2461
2462         case ACPI_RESOURCE_TYPE_END_TAG:
2463                 return AE_OK;
2464         }
2465         return AE_CTRL_TERMINATE;
2466 }
2467
2468 static int sony_pic_possible_resources(struct acpi_device *device)
2469 {
2470         int result = 0;
2471         acpi_status status = AE_OK;
2472
2473         if (!device)
2474                 return -EINVAL;
2475
2476         /* get device status */
2477         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2478         dprintk("Evaluating _STA\n");
2479         result = acpi_bus_get_status(device);
2480         if (result) {
2481                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2482                 goto end;
2483         }
2484
2485         if (!device->status.enabled)
2486                 dprintk("Device disabled\n");
2487         else
2488                 dprintk("Device enabled\n");
2489
2490         /*
2491          * Query and parse 'method'
2492          */
2493         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2494         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2495                         sony_pic_read_possible_resource, &spic_dev);
2496         if (ACPI_FAILURE(status)) {
2497                 printk(KERN_WARNING DRV_PFX
2498                                 "Failure evaluating %s\n",
2499                                 METHOD_NAME__PRS);
2500                 result = -ENODEV;
2501         }
2502 end:
2503         return result;
2504 }
2505
2506 /*
2507  *  Disable the spic device by calling its _DIS method
2508  */
2509 static int sony_pic_disable(struct acpi_device *device)
2510 {
2511         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2512                                                NULL);
2513
2514         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2515                 return -ENXIO;
2516
2517         dprintk("Device disabled\n");
2518         return 0;
2519 }
2520
2521
2522 /*
2523  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2524  *
2525  *  Call _SRS to set current resources
2526  */
2527 static int sony_pic_enable(struct acpi_device *device,
2528                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2529 {
2530         acpi_status status;
2531         int result = 0;
2532         /* Type 1 resource layout is:
2533          *    IO
2534          *    IO
2535          *    IRQNoFlags
2536          *    End
2537          *
2538          * Type 2 and 3 resource layout is:
2539          *    IO
2540          *    IRQNoFlags
2541          *    End
2542          */
2543         struct {
2544                 struct acpi_resource res1;
2545                 struct acpi_resource res2;
2546                 struct acpi_resource res3;
2547                 struct acpi_resource res4;
2548         } *resource;
2549         struct acpi_buffer buffer = { 0, NULL };
2550
2551         if (!ioport || !irq)
2552                 return -EINVAL;
2553
2554         /* init acpi_buffer */
2555         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2556         if (!resource)
2557                 return -ENOMEM;
2558
2559         buffer.length = sizeof(*resource) + 1;
2560         buffer.pointer = resource;
2561
2562         /* setup Type 1 resources */
2563         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2564
2565                 /* setup io resources */
2566                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2567                 resource->res1.length = sizeof(struct acpi_resource);
2568                 memcpy(&resource->res1.data.io, &ioport->io1,
2569                                 sizeof(struct acpi_resource_io));
2570
2571                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2572                 resource->res2.length = sizeof(struct acpi_resource);
2573                 memcpy(&resource->res2.data.io, &ioport->io2,
2574                                 sizeof(struct acpi_resource_io));
2575
2576                 /* setup irq resource */
2577                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2578                 resource->res3.length = sizeof(struct acpi_resource);
2579                 memcpy(&resource->res3.data.irq, &irq->irq,
2580                                 sizeof(struct acpi_resource_irq));
2581                 /* we requested a shared irq */
2582                 resource->res3.data.irq.sharable = ACPI_SHARED;
2583
2584                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2585
2586         }
2587         /* setup Type 2/3 resources */
2588         else {
2589                 /* setup io resource */
2590                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2591                 resource->res1.length = sizeof(struct acpi_resource);
2592                 memcpy(&resource->res1.data.io, &ioport->io1,
2593                                 sizeof(struct acpi_resource_io));
2594
2595                 /* setup irq resource */
2596                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2597                 resource->res2.length = sizeof(struct acpi_resource);
2598                 memcpy(&resource->res2.data.irq, &irq->irq,
2599                                 sizeof(struct acpi_resource_irq));
2600                 /* we requested a shared irq */
2601                 resource->res2.data.irq.sharable = ACPI_SHARED;
2602
2603                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2604         }
2605
2606         /* Attempt to set the resource */
2607         dprintk("Evaluating _SRS\n");
2608         status = acpi_set_current_resources(device->handle, &buffer);
2609
2610         /* check for total failure */
2611         if (ACPI_FAILURE(status)) {
2612                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2613                 result = -ENODEV;
2614                 goto end;
2615         }
2616
2617         /* Necessary device initializations calls (from sonypi) */
2618         sony_pic_call1(0x82);
2619         sony_pic_call2(0x81, 0xff);
2620         sony_pic_call1(compat ? 0x92 : 0x82);
2621
2622 end:
2623         kfree(resource);
2624         return result;
2625 }
2626
2627 /*****************
2628  *
2629  * ISR: some event is available
2630  *
2631  *****************/
2632 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2633 {
2634         int i, j;
2635         u8 ev = 0;
2636         u8 data_mask = 0;
2637         u8 device_event = 0;
2638
2639         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2640
2641         ev = inb_p(dev->cur_ioport->io1.minimum);
2642         if (dev->cur_ioport->io2.minimum)
2643                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2644         else
2645                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2646                                 dev->control->evport_offset);
2647
2648         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2649                         ev, data_mask, dev->cur_ioport->io1.minimum,
2650                         dev->control->evport_offset);
2651
2652         if (ev == 0x00 || ev == 0xff)
2653                 return IRQ_HANDLED;
2654
2655         for (i = 0; dev->control->event_types[i].mask; i++) {
2656
2657                 if ((data_mask & dev->control->event_types[i].data) !=
2658                     dev->control->event_types[i].data)
2659                         continue;
2660
2661                 if (!(mask & dev->control->event_types[i].mask))
2662                         continue;
2663
2664                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2665                         if (ev == dev->control->event_types[i].events[j].data) {
2666                                 device_event =
2667                                         dev->control->
2668                                                 event_types[i].events[j].event;
2669                                 goto found;
2670                         }
2671                 }
2672         }
2673         /* Still not able to decode the event try to pass
2674          * it over to the minidriver
2675          */
2676         if (dev->control->handle_irq &&
2677                         dev->control->handle_irq(data_mask, ev) == 0)
2678                 return IRQ_HANDLED;
2679
2680         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2681                         ev, data_mask, dev->cur_ioport->io1.minimum,
2682                         dev->control->evport_offset);
2683         return IRQ_HANDLED;
2684
2685 found:
2686         sony_laptop_report_input_event(device_event);
2687         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2688         sonypi_compat_report_event(device_event);
2689
2690         return IRQ_HANDLED;
2691 }
2692
2693 /*****************
2694  *
2695  *  ACPI driver
2696  *
2697  *****************/
2698 static int sony_pic_remove(struct acpi_device *device, int type)
2699 {
2700         struct sony_pic_ioport *io, *tmp_io;
2701         struct sony_pic_irq *irq, *tmp_irq;
2702
2703         if (sony_pic_disable(device)) {
2704                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2705                 return -ENXIO;
2706         }
2707
2708         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2709         release_region(spic_dev.cur_ioport->io1.minimum,
2710                         spic_dev.cur_ioport->io1.address_length);
2711         if (spic_dev.cur_ioport->io2.minimum)
2712                 release_region(spic_dev.cur_ioport->io2.minimum,
2713                                 spic_dev.cur_ioport->io2.address_length);
2714
2715         sonypi_compat_exit();
2716
2717         sony_laptop_remove_input();
2718
2719         /* pf attrs */
2720         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2721         sony_pf_remove();
2722
2723         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2724                 list_del(&io->list);
2725                 kfree(io);
2726         }
2727         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2728                 list_del(&irq->list);
2729                 kfree(irq);
2730         }
2731         spic_dev.cur_ioport = NULL;
2732         spic_dev.cur_irq = NULL;
2733
2734         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2735         return 0;
2736 }
2737
2738 static int sony_pic_add(struct acpi_device *device)
2739 {
2740         int result;
2741         struct sony_pic_ioport *io, *tmp_io;
2742         struct sony_pic_irq *irq, *tmp_irq;
2743
2744         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2745                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2746
2747         spic_dev.acpi_dev = device;
2748         strcpy(acpi_device_class(device), "sony/hotkey");
2749         sony_pic_detect_device_type(&spic_dev);
2750         mutex_init(&spic_dev.lock);
2751
2752         /* read _PRS resources */
2753         result = sony_pic_possible_resources(device);
2754         if (result) {
2755                 printk(KERN_ERR DRV_PFX
2756                                 "Unabe to read possible resources.\n");
2757                 goto err_free_resources;
2758         }
2759
2760         /* setup input devices and helper fifo */
2761         result = sony_laptop_setup_input(device);
2762         if (result) {
2763                 printk(KERN_ERR DRV_PFX
2764                                 "Unabe to create input devices.\n");
2765                 goto err_free_resources;
2766         }
2767
2768         if (sonypi_compat_init())
2769                 goto err_remove_input;
2770
2771         /* request io port */
2772         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2773                 if (request_region(io->io1.minimum, io->io1.address_length,
2774                                         "Sony Programable I/O Device")) {
2775                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2776                                         io->io1.minimum, io->io1.maximum,
2777                                         io->io1.address_length);
2778                         /* Type 1 have 2 ioports */
2779                         if (io->io2.minimum) {
2780                                 if (request_region(io->io2.minimum,
2781                                                 io->io2.address_length,
2782                                                 "Sony Programable I/O Device")) {
2783                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2784                                                         io->io2.minimum, io->io2.maximum,
2785                                                         io->io2.address_length);
2786                                         spic_dev.cur_ioport = io;
2787                                         break;
2788                                 }
2789                                 else {
2790                                         dprintk("Unable to get I/O port2: "
2791                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2792                                                         io->io2.minimum, io->io2.maximum,
2793                                                         io->io2.address_length);
2794                                         release_region(io->io1.minimum,
2795                                                         io->io1.address_length);
2796                                 }
2797                         }
2798                         else {
2799                                 spic_dev.cur_ioport = io;
2800                                 break;
2801                         }
2802                 }
2803         }
2804         if (!spic_dev.cur_ioport) {
2805                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2806                 result = -ENODEV;
2807                 goto err_remove_compat;
2808         }
2809
2810         /* request IRQ */
2811         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2812                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2813                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2814                         dprintk("IRQ: %d - triggering: %d - "
2815                                         "polarity: %d - shr: %d\n",
2816                                         irq->irq.interrupts[0],
2817                                         irq->irq.triggering,
2818                                         irq->irq.polarity,
2819                                         irq->irq.sharable);
2820                         spic_dev.cur_irq = irq;
2821                         break;
2822                 }
2823         }
2824         if (!spic_dev.cur_irq) {
2825                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2826                 result = -ENODEV;
2827                 goto err_release_region;
2828         }
2829
2830         /* set resource status _SRS */
2831         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2832         if (result) {
2833                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2834                 goto err_free_irq;
2835         }
2836
2837         spic_dev.bluetooth_power = -1;
2838         /* create device attributes */
2839         result = sony_pf_add();
2840         if (result)
2841                 goto err_disable_device;
2842
2843         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2844         if (result)
2845                 goto err_remove_pf;
2846
2847         return 0;
2848
2849 err_remove_pf:
2850         sony_pf_remove();
2851
2852 err_disable_device:
2853         sony_pic_disable(device);
2854
2855 err_free_irq:
2856         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2857
2858 err_release_region:
2859         release_region(spic_dev.cur_ioport->io1.minimum,
2860                         spic_dev.cur_ioport->io1.address_length);
2861         if (spic_dev.cur_ioport->io2.minimum)
2862                 release_region(spic_dev.cur_ioport->io2.minimum,
2863                                 spic_dev.cur_ioport->io2.address_length);
2864
2865 err_remove_compat:
2866         sonypi_compat_exit();
2867
2868 err_remove_input:
2869         sony_laptop_remove_input();
2870
2871 err_free_resources:
2872         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2873                 list_del(&io->list);
2874                 kfree(io);
2875         }
2876         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2877                 list_del(&irq->list);
2878                 kfree(irq);
2879         }
2880         spic_dev.cur_ioport = NULL;
2881         spic_dev.cur_irq = NULL;
2882
2883         return result;
2884 }
2885
2886 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2887 {
2888         if (sony_pic_disable(device))
2889                 return -ENXIO;
2890         return 0;
2891 }
2892
2893 static int sony_pic_resume(struct acpi_device *device)
2894 {
2895         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2896         return 0;
2897 }
2898
2899 static const struct acpi_device_id sony_pic_device_ids[] = {
2900         {SONY_PIC_HID, 0},
2901         {"", 0},
2902 };
2903
2904 static struct acpi_driver sony_pic_driver = {
2905         .name = SONY_PIC_DRIVER_NAME,
2906         .class = SONY_PIC_CLASS,
2907         .ids = sony_pic_device_ids,
2908         .owner = THIS_MODULE,
2909         .ops = {
2910                 .add = sony_pic_add,
2911                 .remove = sony_pic_remove,
2912                 .suspend = sony_pic_suspend,
2913                 .resume = sony_pic_resume,
2914                 },
2915 };
2916
2917 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2918         {
2919                 .ident = "Sony Vaio",
2920                 .matches = {
2921                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2922                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2923                 },
2924         },
2925         {
2926                 .ident = "Sony Vaio",
2927                 .matches = {
2928                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2929                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2930                 },
2931         },
2932         { }
2933 };
2934
2935 static int __init sony_laptop_init(void)
2936 {
2937         int result;
2938
2939         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2940                 result = acpi_bus_register_driver(&sony_pic_driver);
2941                 if (result) {
2942                         printk(KERN_ERR DRV_PFX
2943                                         "Unable to register SPIC driver.");
2944                         goto out;
2945                 }
2946         }
2947
2948         result = acpi_bus_register_driver(&sony_nc_driver);
2949         if (result) {
2950                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2951                 goto out_unregister_pic;
2952         }
2953
2954         return 0;
2955
2956 out_unregister_pic:
2957         if (!no_spic)
2958                 acpi_bus_unregister_driver(&sony_pic_driver);
2959 out:
2960         return result;
2961 }
2962
2963 static void __exit sony_laptop_exit(void)
2964 {
2965         acpi_bus_unregister_driver(&sony_nc_driver);
2966         if (!no_spic)
2967                 acpi_bus_unregister_driver(&sony_pic_driver);
2968 }
2969
2970 module_init(sony_laptop_init);
2971 module_exit(sony_laptop_exit);