drivers/platform/x86/sony-laptop.c

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #include <linux/kernel.h>
  46 #include <linux/module.h>
  47 #include <linux/moduleparam.h>
  48 #include <linux/init.h>
  49 #include <linux/types.h>
  50 #include <linux/backlight.h>
  51 #include <linux/platform_device.h>
  52 #include <linux/err.h>
  53 #include <linux/dmi.h>
  54 #include <linux/pci.h>
  55 #include <linux/interrupt.h>
  56 #include <linux/delay.h>
  57 #include <linux/input.h>
  58 #include <linux/kfifo.h>
  59 #include <linux/workqueue.h>
  60 #include <linux/acpi.h>
  61 #include <acpi/acpi_drivers.h>
  62 #include <acpi/acpi_bus.h>
  63 #include <asm/uaccess.h>
  64 #include <linux/sonypi.h>
  65 #include <linux/sony-laptop.h>
  66 #include <linux/rfkill.h>
  67 #ifdef CONFIG_SONYPI_COMPAT
  68 #include <linux/poll.h>
  69 #include <linux/miscdevice.h>
  70 #endif
  71
  72 #define DRV_PFX                 "sony-laptop: "
  73 #define dprintk(msg...)         do {                    \
  74         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  75 } while (0)
  76
  77 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  78
  79 #define SONY_NC_CLASS           "sony-nc"
  80 #define SONY_NC_HID             "SNY5001"
  81 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  82
  83 #define SONY_PIC_CLASS          "sony-pic"
  84 #define SONY_PIC_HID            "SNY6001"
  85 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  86
  87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  89 MODULE_LICENSE("GPL");
  90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  91
  92 static int debug;
  93 module_param(debug, int, 0);
  94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  95                  "the development of this driver");
  96
  97 static int no_spic;             /* = 0 */
  98 module_param(no_spic, int, 0444);
  99 MODULE_PARM_DESC(no_spic,
 100                  "set this if you don't want to enable the SPIC device");
 101
 102 static int compat;              /* = 0 */
 103 module_param(compat, int, 0444);
 104 MODULE_PARM_DESC(compat,
 105                  "set this if you want to enable backward compatibility mode");
 106
 107 static unsigned long mask = 0xffffffff;
 108 module_param(mask, ulong, 0644);
 109 MODULE_PARM_DESC(mask,
 110                  "set this to the mask of event you want to enable (see doc)");
 111
 112 static int camera;              /* = 0 */
 113 module_param(camera, int, 0444);
 114 MODULE_PARM_DESC(camera,
 115                  "set this to 1 to enable Motion Eye camera controls "
 116                  "(only use it if you have a C1VE or C1VN model)");
 117
 118 #ifdef CONFIG_SONYPI_COMPAT
 119 static int minor = -1;
 120 module_param(minor, int, 0);
 121 MODULE_PARM_DESC(minor,
 122                  "minor number of the misc device for the SPIC compatibility code, "
 123                  "default is -1 (automatic)");
 124 #endif
 125
 126 enum sony_nc_rfkill {
 127         SONY_WIFI,
 128         SONY_BLUETOOTH,
 129         SONY_WWAN,
 130         SONY_WIMAX,
 131         N_SONY_RFKILL,
 132 };
 133
 134 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 135 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 136 static void sony_nc_rfkill_update(void);
 137
 138 /*********** Input Devices ***********/
 139
 140 #define SONY_LAPTOP_BUF_SIZE    128
 141 struct sony_laptop_input_s {
 142         atomic_t                users;
 143         struct input_dev        *jog_dev;
 144         struct input_dev        *key_dev;
 145         struct kfifo            *fifo;
 146         spinlock_t              fifo_lock;
 147         struct workqueue_struct *wq;
 148 };
 149
 150 static struct sony_laptop_input_s sony_laptop_input = {
 151         .users = ATOMIC_INIT(0),
 152 };
 153
 154 struct sony_laptop_keypress {
 155         struct input_dev *dev;
 156         int key;
 157 };
 158
 159 /* Correspondance table between sonypi events
 160  * and input layer indexes in the keymap
 161  */
 162 static int sony_laptop_input_index[] = {
 163         -1,     /*  0 no event */
 164         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 165         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 166         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 167         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 168         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 169         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 170          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 171          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 172          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 173          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 174          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 175          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 176          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 177          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 178          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 179          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 180         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 181         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 182         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 183         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 184         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 185         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 186         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 187         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 188         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 189         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 190         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 191         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 192         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 193         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 194         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 195         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 196         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 197         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 198         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 199         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 200         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 201         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 202         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 203         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 204         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 205         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 206         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 207         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 208         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 209         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 210         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 211         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 212         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 213         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 214         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 215         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 216         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 217         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 218         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 219         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 220         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 221         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 222         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 223         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 224         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 225         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 226         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 227         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 228         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 229         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 230         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 231         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 232         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 233         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 234         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 235 };
 236
 237 static int sony_laptop_input_keycode_map[] = {
 238         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 239         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 240         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 241         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 242         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 243         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 244         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 245         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 246         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 247         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 248         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 249         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 250         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 251         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 252         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 253         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 254         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 255         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 256         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 257         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 258         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 259         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 260         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 261         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 262         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 263         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 264         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 265         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 266         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 267         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 268         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 269         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 270         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 271         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 272         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 273         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 274         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 275         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 276         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 277         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 278         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 279         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 280         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 281         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 282         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 283         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 284         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 285         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 286         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 287         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 288         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 289         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 290         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 291         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 292         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 293         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 294         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 295         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 296 };
 297
 298 /* release buttons after a short delay if pressed */
 299 static void do_sony_laptop_release_key(struct work_struct *work)
 300 {
 301         struct sony_laptop_keypress kp;
 302
 303         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
 304                          sizeof(kp)) == sizeof(kp)) {
 305                 msleep(10);
 306                 input_report_key(kp.dev, kp.key, 0);
 307                 input_sync(kp.dev);
 308         }
 309 }
 310 static DECLARE_WORK(sony_laptop_release_key_work,
 311                 do_sony_laptop_release_key);
 312
 313 /* forward event to the input subsystem */
 314 static void sony_laptop_report_input_event(u8 event)
 315 {
 316         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 317         struct input_dev *key_dev = sony_laptop_input.key_dev;
 318         struct sony_laptop_keypress kp = { NULL };
 319
 320         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 321                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 322                 /* Nothing, not all VAIOs generate this event */
 323                 return;
 324         }
 325
 326         /* report events */
 327         switch (event) {
 328         /* jog_dev events */
 329         case SONYPI_EVENT_JOGDIAL_UP:
 330         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 331                 input_report_rel(jog_dev, REL_WHEEL, 1);
 332                 input_sync(jog_dev);
 333                 return;
 334
 335         case SONYPI_EVENT_JOGDIAL_DOWN:
 336         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 337                 input_report_rel(jog_dev, REL_WHEEL, -1);
 338                 input_sync(jog_dev);
 339                 return;
 340
 341         /* key_dev events */
 342         case SONYPI_EVENT_JOGDIAL_PRESSED:
 343                 kp.key = BTN_MIDDLE;
 344                 kp.dev = jog_dev;
 345                 break;
 346
 347         default:
 348                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 349                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 350                         break;
 351                 }
 352                 if (sony_laptop_input_index[event] != -1) {
 353                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 354                         if (kp.key != KEY_UNKNOWN)
 355                                 kp.dev = key_dev;
 356                 }
 357                 break;
 358         }
 359
 360         if (kp.dev) {
 361                 input_report_key(kp.dev, kp.key, 1);
 362                 /* we emit the scancode so we can always remap the key */
 363                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 364                 input_sync(kp.dev);
 365                 kfifo_put(sony_laptop_input.fifo,
 366                           (unsigned char *)&kp, sizeof(kp));
 367
 368                 if (!work_pending(&sony_laptop_release_key_work))
 369                         queue_work(sony_laptop_input.wq,
 370                                         &sony_laptop_release_key_work);
 371         } else
 372                 dprintk("unknown input event %.2x\n", event);
 373 }
 374
 375 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 376 {
 377         struct input_dev *jog_dev;
 378         struct input_dev *key_dev;
 379         int i;
 380         int error;
 381
 382         /* don't run again if already initialized */
 383         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 384                 return 0;
 385
 386         /* kfifo */
 387         spin_lock_init(&sony_laptop_input.fifo_lock);
 388         sony_laptop_input.fifo =
 389                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
 390                             &sony_laptop_input.fifo_lock);
 391         if (IS_ERR(sony_laptop_input.fifo)) {
 392                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 393                 error = PTR_ERR(sony_laptop_input.fifo);
 394                 goto err_dec_users;
 395         }
 396
 397         /* init workqueue */
 398         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
 399         if (!sony_laptop_input.wq) {
 400                 printk(KERN_ERR DRV_PFX
 401                                 "Unable to create workqueue.\n");
 402                 error = -ENXIO;
 403                 goto err_free_kfifo;
 404         }
 405
 406         /* input keys */
 407         key_dev = input_allocate_device();
 408         if (!key_dev) {
 409                 error = -ENOMEM;
 410                 goto err_destroy_wq;
 411         }
 412
 413         key_dev->name = "Sony Vaio Keys";
 414         key_dev->id.bustype = BUS_ISA;
 415         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 416         key_dev->dev.parent = &acpi_device->dev;
 417
 418         /* Initialize the Input Drivers: special keys */
 419         set_bit(EV_KEY, key_dev->evbit);
 420         set_bit(EV_MSC, key_dev->evbit);
 421         set_bit(MSC_SCAN, key_dev->mscbit);
 422         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 423         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 424         key_dev->keycode = &sony_laptop_input_keycode_map;
 425         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
 426                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
 427                         set_bit(sony_laptop_input_keycode_map[i],
 428                                 key_dev->keybit);
 429                 }
 430         }
 431
 432         error = input_register_device(key_dev);
 433         if (error)
 434                 goto err_free_keydev;
 435
 436         sony_laptop_input.key_dev = key_dev;
 437
 438         /* jogdial */
 439         jog_dev = input_allocate_device();
 440         if (!jog_dev) {
 441                 error = -ENOMEM;
 442                 goto err_unregister_keydev;
 443         }
 444
 445         jog_dev->name = "Sony Vaio Jogdial";
 446         jog_dev->id.bustype = BUS_ISA;
 447         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 448         key_dev->dev.parent = &acpi_device->dev;
 449
 450         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 451         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
 452         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
 453
 454         error = input_register_device(jog_dev);
 455         if (error)
 456                 goto err_free_jogdev;
 457
 458         sony_laptop_input.jog_dev = jog_dev;
 459
 460         return 0;
 461
 462 err_free_jogdev:
 463         input_free_device(jog_dev);
 464
 465 err_unregister_keydev:
 466         input_unregister_device(key_dev);
 467         /* to avoid kref underflow below at input_free_device */
 468         key_dev = NULL;
 469
 470 err_free_keydev:
 471         input_free_device(key_dev);
 472
 473 err_destroy_wq:
 474         destroy_workqueue(sony_laptop_input.wq);
 475
 476 err_free_kfifo:
 477         kfifo_free(sony_laptop_input.fifo);
 478
 479 err_dec_users:
 480         atomic_dec(&sony_laptop_input.users);
 481         return error;
 482 }
 483
 484 static void sony_laptop_remove_input(void)
 485 {
 486         /* cleanup only after the last user has gone */
 487         if (!atomic_dec_and_test(&sony_laptop_input.users))
 488                 return;
 489
 490         /* flush workqueue first */
 491         flush_workqueue(sony_laptop_input.wq);
 492
 493         /* destroy input devs */
 494         input_unregister_device(sony_laptop_input.key_dev);
 495         sony_laptop_input.key_dev = NULL;
 496
 497         if (sony_laptop_input.jog_dev) {
 498                 input_unregister_device(sony_laptop_input.jog_dev);
 499                 sony_laptop_input.jog_dev = NULL;
 500         }
 501
 502         destroy_workqueue(sony_laptop_input.wq);
 503         kfifo_free(sony_laptop_input.fifo);
 504 }
 505
 506 /*********** Platform Device ***********/
 507
 508 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 509 static struct platform_driver sony_pf_driver = {
 510         .driver = {
 511                    .name = "sony-laptop",
 512                    .owner = THIS_MODULE,
 513                    }
 514 };
 515 static struct platform_device *sony_pf_device;
 516
 517 static int sony_pf_add(void)
 518 {
 519         int ret = 0;
 520
 521         /* don't run again if already initialized */
 522         if (atomic_add_return(1, &sony_pf_users) > 1)
 523                 return 0;
 524
 525         ret = platform_driver_register(&sony_pf_driver);
 526         if (ret)
 527                 goto out;
 528
 529         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 530         if (!sony_pf_device) {
 531                 ret = -ENOMEM;
 532                 goto out_platform_registered;
 533         }
 534
 535         ret = platform_device_add(sony_pf_device);
 536         if (ret)
 537                 goto out_platform_alloced;
 538
 539         return 0;
 540
 541       out_platform_alloced:
 542         platform_device_put(sony_pf_device);
 543         sony_pf_device = NULL;
 544       out_platform_registered:
 545         platform_driver_unregister(&sony_pf_driver);
 546       out:
 547         atomic_dec(&sony_pf_users);
 548         return ret;
 549 }
 550
 551 static void sony_pf_remove(void)
 552 {
 553         /* deregister only after the last user has gone */
 554         if (!atomic_dec_and_test(&sony_pf_users))
 555                 return;
 556
 557         platform_device_del(sony_pf_device);
 558         platform_device_put(sony_pf_device);
 559         platform_driver_unregister(&sony_pf_driver);
 560 }
 561
 562 /*********** SNC (SNY5001) Device ***********/
 563
 564 /* the device uses 1-based values, while the backlight subsystem uses
 565    0-based values */
 566 #define SONY_MAX_BRIGHTNESS     8
 567
 568 #define SNC_VALIDATE_IN         0
 569 #define SNC_VALIDATE_OUT        1
 570
 571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 572                               char *);
 573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 574                                const char *, size_t);
 575 static int boolean_validate(const int, const int);
 576 static int brightness_default_validate(const int, const int);
 577
 578 struct sony_nc_value {
 579         char *name;             /* name of the entry */
 580         char **acpiget;         /* names of the ACPI get function */
 581         char **acpiset;         /* names of the ACPI set function */
 582         int (*validate)(const int, const int);  /* input/output validation */
 583         int value;              /* current setting */
 584         int valid;              /* Has ever been set */
 585         int debug;              /* active only in debug mode ? */
 586         struct device_attribute devattr;        /* sysfs atribute */
 587 };
 588
 589 #define SNC_HANDLE_NAMES(_name, _values...) \
 590         static char *snc_##_name[] = { _values, NULL }
 591
 592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 593         { \
 594                 .name           = __stringify(_name), \
 595                 .acpiget        = _getters, \
 596                 .acpiset        = _setters, \
 597                 .validate       = _validate, \
 598                 .debug          = _debug, \
 599                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 600         }
 601
 602 #define SNC_HANDLE_NULL { .name = NULL }
 603
 604 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 605
 606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 608
 609 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 611
 612 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 613 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 614
 615 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 616 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 617
 618 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 619
 620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 622
 623 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 624 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 625
 626 SNC_HANDLE_NAMES(PID_get, "GPID");
 627
 628 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 629 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 630
 631 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 632 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 633
 634 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 635 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 636
 637 static struct sony_nc_value sony_nc_values[] = {
 638         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 639                         snc_brightness_def_set, brightness_default_validate, 0),
 640         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 641         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 642         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 643                         boolean_validate, 0),
 644         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 645                         boolean_validate, 1),
 646         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 647                         boolean_validate, 0),
 648         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 649                         boolean_validate, 0),
 650         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 651                         boolean_validate, 0),
 652         /* unknown methods */
 653         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 654         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 655         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 656         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 657         SNC_HANDLE_NULL
 658 };
 659
 660 static acpi_handle sony_nc_acpi_handle;
 661 static struct acpi_device *sony_nc_acpi_device = NULL;
 662
 663 /*
 664  * acpi_evaluate_object wrappers
 665  */
 666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 667 {
 668         struct acpi_buffer output;
 669         union acpi_object out_obj;
 670         acpi_status status;
 671
 672         output.length = sizeof(out_obj);
 673         output.pointer = &out_obj;
 674
 675         status = acpi_evaluate_object(handle, name, NULL, &output);
 676         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 677                 *result = out_obj.integer.value;
 678                 return 0;
 679         }
 680
 681         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 682
 683         return -1;
 684 }
 685
 686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 687                             int *result)
 688 {
 689         struct acpi_object_list params;
 690         union acpi_object in_obj;
 691         struct acpi_buffer output;
 692         union acpi_object out_obj;
 693         acpi_status status;
 694
 695         params.count = 1;
 696         params.pointer = &in_obj;
 697         in_obj.type = ACPI_TYPE_INTEGER;
 698         in_obj.integer.value = value;
 699
 700         output.length = sizeof(out_obj);
 701         output.pointer = &out_obj;
 702
 703         status = acpi_evaluate_object(handle, name, &params, &output);
 704         if (status == AE_OK) {
 705                 if (result != NULL) {
 706                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 707                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 708                                        "return type\n");
 709                                 return -1;
 710                         }
 711                         *result = out_obj.integer.value;
 712                 }
 713                 return 0;
 714         }
 715
 716         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 717
 718         return -1;
 719 }
 720
 721 static int sony_find_snc_handle(int handle)
 722 {
 723         int i;
 724         int result;
 725
 726         for (i = 0x20; i < 0x30; i++) {
 727                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 728                 if (result == handle)
 729                         return i-0x20;
 730         }
 731
 732         return -1;
 733 }
 734
 735 static int sony_call_snc_handle(int handle, int argument, int *result)
 736 {
 737         int offset = sony_find_snc_handle(handle);
 738
 739         if (offset < 0)
 740                 return -1;
 741
 742         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 743                                 result);
 744 }
 745
 746 /*
 747  * sony_nc_values input/output validate functions
 748  */
 749
 750 /* brightness_default_validate:
 751  *
 752  * manipulate input output values to keep consistency with the
 753  * backlight framework for which brightness values are 0-based.
 754  */
 755 static int brightness_default_validate(const int direction, const int value)
 756 {
 757         switch (direction) {
 758                 case SNC_VALIDATE_OUT:
 759                         return value - 1;
 760                 case SNC_VALIDATE_IN:
 761                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 762                                 return value + 1;
 763         }
 764         return -EINVAL;
 765 }
 766
 767 /* boolean_validate:
 768  *
 769  * on input validate boolean values 0/1, on output just pass the
 770  * received value.
 771  */
 772 static int boolean_validate(const int direction, const int value)
 773 {
 774         if (direction == SNC_VALIDATE_IN) {
 775                 if (value != 0 && value != 1)
 776                         return -EINVAL;
 777         }
 778         return value;
 779 }
 780
 781 /*
 782  * Sysfs show/store common to all sony_nc_values
 783  */
 784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 785                               char *buffer)
 786 {
 787         int value;
 788         struct sony_nc_value *item =
 789             container_of(attr, struct sony_nc_value, devattr);
 790
 791         if (!*item->acpiget)
 792                 return -EIO;
 793
 794         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 795                 return -EIO;
 796
 797         if (item->validate)
 798                 value = item->validate(SNC_VALIDATE_OUT, value);
 799
 800         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 801 }
 802
 803 static ssize_t sony_nc_sysfs_store(struct device *dev,
 804                                struct device_attribute *attr,
 805                                const char *buffer, size_t count)
 806 {
 807         int value;
 808         struct sony_nc_value *item =
 809             container_of(attr, struct sony_nc_value, devattr);
 810
 811         if (!item->acpiset)
 812                 return -EIO;
 813
 814         if (count > 31)
 815                 return -EINVAL;
 816
 817         value = simple_strtoul(buffer, NULL, 10);
 818
 819         if (item->validate)
 820                 value = item->validate(SNC_VALIDATE_IN, value);
 821
 822         if (value < 0)
 823                 return value;
 824
 825         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 826                 return -EIO;
 827         item->value = value;
 828         item->valid = 1;
 829         return count;
 830 }
 831
 832
 833 /*
 834  * Backlight device
 835  */
 836 static int sony_backlight_update_status(struct backlight_device *bd)
 837 {
 838         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 839                                 bd->props.brightness + 1, NULL);
 840 }
 841
 842 static int sony_backlight_get_brightness(struct backlight_device *bd)
 843 {
 844         int value;
 845
 846         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 847                 return 0;
 848         /* brightness levels are 1-based, while backlight ones are 0-based */
 849         return value - 1;
 850 }
 851
 852 static struct backlight_device *sony_backlight_device;
 853 static struct backlight_ops sony_backlight_ops = {
 854         .update_status = sony_backlight_update_status,
 855         .get_brightness = sony_backlight_get_brightness,
 856 };
 857
 858 /*
 859  * New SNC-only Vaios event mapping to driver known keys
 860  */
 861 struct sony_nc_event {
 862         u8      data;
 863         u8      event;
 864 };
 865
 866 static struct sony_nc_event sony_100_events[] = {
 867         { 0x90, SONYPI_EVENT_PKEY_P1 },
 868         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 869         { 0x91, SONYPI_EVENT_PKEY_P2 },
 870         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 871         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 872         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 873         { 0x82, SONYPI_EVENT_FNKEY_F2 },
 874         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
 875         { 0x83, SONYPI_EVENT_FNKEY_F3 },
 876         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
 877         { 0x84, SONYPI_EVENT_FNKEY_F4 },
 878         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
 879         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 880         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 881         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 882         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 883         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 884         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 885         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 886         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 887         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 888         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 889         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 890         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 891         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 892         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 893         { 0, 0 },
 894 };
 895
 896 static struct sony_nc_event sony_127_events[] = {
 897         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 898         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 899         { 0x82, SONYPI_EVENT_PKEY_P1 },
 900         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 901         { 0x83, SONYPI_EVENT_PKEY_P2 },
 902         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 903         { 0x84, SONYPI_EVENT_PKEY_P3 },
 904         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 905         { 0x85, SONYPI_EVENT_PKEY_P4 },
 906         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 907         { 0x86, SONYPI_EVENT_PKEY_P5 },
 908         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 909         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 910         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 911         { 0, 0 },
 912 };
 913
 914 /*
 915  * ACPI callbacks
 916  */
 917 static void sony_nc_notify(struct acpi_device *device, u32 event)
 918 {
 919         u32 ev = event;
 920
 921         if (ev >= 0x90) {
 922                 /* New-style event */
 923                 int result;
 924                 int key_handle = 0;
 925                 ev -= 0x90;
 926
 927                 if (sony_find_snc_handle(0x100) == ev)
 928                         key_handle = 0x100;
 929                 if (sony_find_snc_handle(0x127) == ev)
 930                         key_handle = 0x127;
 931
 932                 if (key_handle) {
 933                         struct sony_nc_event *key_event;
 934
 935                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
 936                                 dprintk("sony_nc_notify, unable to decode"
 937                                         " event 0x%.2x 0x%.2x\n", key_handle,
 938                                         ev);
 939                                 /* restore the original event */
 940                                 ev = event;
 941                         } else {
 942                                 ev = result & 0xFF;
 943
 944                                 if (key_handle == 0x100)
 945                                         key_event = sony_100_events;
 946                                 else
 947                                         key_event = sony_127_events;
 948
 949                                 for (; key_event->data; key_event++) {
 950                                         if (key_event->data == ev) {
 951                                                 ev = key_event->event;
 952                                                 break;
 953                                         }
 954                                 }
 955
 956                                 if (!key_event->data)
 957                                         printk(KERN_INFO DRV_PFX
 958                                                         "Unknown event: 0x%x 0x%x\n",
 959                                                         key_handle,
 960                                                         ev);
 961                                 else
 962                                         sony_laptop_report_input_event(ev);
 963                         }
 964                 } else if (sony_find_snc_handle(0x124) == ev) {
 965                         sony_nc_rfkill_update();
 966                         return;
 967                 }
 968         } else
 969                 sony_laptop_report_input_event(ev);
 970
 971         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
 972         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 973 }
 974
 975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 976                                       void *context, void **return_value)
 977 {
 978         struct acpi_device_info *info;
 979
 980         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
 981                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 982                         (char *)&info->name, info->param_count);
 983
 984                 kfree(info);
 985         }
 986
 987         return AE_OK;
 988 }
 989
 990 /*
 991  * ACPI device
 992  */
 993 static int sony_nc_function_setup(struct acpi_device *device)
 994 {
 995         int result;
 996
 997         /* Enable all events */
 998         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
 999
1000         /* Setup hotkeys */
1001         sony_call_snc_handle(0x0100, 0, &result);
1002         sony_call_snc_handle(0x0101, 0, &result);
1003         sony_call_snc_handle(0x0102, 0x100, &result);
1004         sony_call_snc_handle(0x0127, 0, &result);
1005
1006         return 0;
1007 }
1008
1009 static int sony_nc_resume(struct acpi_device *device)
1010 {
1011         struct sony_nc_value *item;
1012         acpi_handle handle;
1013
1014         for (item = sony_nc_values; item->name; item++) {
1015                 int ret;
1016
1017                 if (!item->valid)
1018                         continue;
1019                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1020                                        item->value, NULL);
1021                 if (ret < 0) {
1022                         printk("%s: %d\n", __func__, ret);
1023                         break;
1024                 }
1025         }
1026
1027         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1028                                          &handle))) {
1029                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1030                         dprintk("ECON Method failed\n");
1031         }
1032
1033         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1034                                          &handle))) {
1035                 dprintk("Doing SNC setup\n");
1036                 sony_nc_function_setup(device);
1037         }
1038
1039         /* set the last requested brightness level */
1040         if (sony_backlight_device &&
1041                         sony_backlight_update_status(sony_backlight_device) < 0)
1042                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1043
1044         /* re-read rfkill state */
1045         sony_nc_rfkill_update();
1046
1047         return 0;
1048 }
1049
1050 static void sony_nc_rfkill_cleanup(void)
1051 {
1052         int i;
1053
1054         for (i = 0; i < N_SONY_RFKILL; i++) {
1055                 if (sony_rfkill_devices[i]) {
1056                         rfkill_unregister(sony_rfkill_devices[i]);
1057                         rfkill_destroy(sony_rfkill_devices[i]);
1058                 }
1059         }
1060 }
1061
1062 static int sony_nc_rfkill_set(void *data, bool blocked)
1063 {
1064         int result;
1065         int argument = sony_rfkill_address[(long) data] + 0x100;
1066
1067         if (!blocked)
1068                 argument |= 0xff0000;
1069
1070         return sony_call_snc_handle(0x124, argument, &result);
1071 }
1072
1073 static const struct rfkill_ops sony_rfkill_ops = {
1074         .set_block = sony_nc_rfkill_set,
1075 };
1076
1077 static int sony_nc_setup_rfkill(struct acpi_device *device,
1078                                 enum sony_nc_rfkill nc_type)
1079 {
1080         int err = 0;
1081         struct rfkill *rfk;
1082         enum rfkill_type type;
1083         const char *name;
1084         int result;
1085         bool hwblock;
1086
1087         switch (nc_type) {
1088         case SONY_WIFI:
1089                 type = RFKILL_TYPE_WLAN;
1090                 name = "sony-wifi";
1091                 break;
1092         case SONY_BLUETOOTH:
1093                 type = RFKILL_TYPE_BLUETOOTH;
1094                 name = "sony-bluetooth";
1095                 break;
1096         case SONY_WWAN:
1097                 type = RFKILL_TYPE_WWAN;
1098                 name = "sony-wwan";
1099                 break;
1100         case SONY_WIMAX:
1101                 type = RFKILL_TYPE_WIMAX;
1102                 name = "sony-wimax";
1103                 break;
1104         default:
1105                 return -EINVAL;
1106         }
1107
1108         rfk = rfkill_alloc(name, &device->dev, type,
1109                            &sony_rfkill_ops, (void *)nc_type);
1110         if (!rfk)
1111                 return -ENOMEM;
1112
1113         sony_call_snc_handle(0x124, 0x200, &result);
1114         hwblock = !(result & 0x1);
1115         rfkill_set_hw_state(rfk, hwblock);
1116
1117         err = rfkill_register(rfk);
1118         if (err) {
1119                 rfkill_destroy(rfk);
1120                 return err;
1121         }
1122         sony_rfkill_devices[nc_type] = rfk;
1123         return err;
1124 }
1125
1126 static void sony_nc_rfkill_update()
1127 {
1128         enum sony_nc_rfkill i;
1129         int result;
1130         bool hwblock;
1131
1132         sony_call_snc_handle(0x124, 0x200, &result);
1133         hwblock = !(result & 0x1);
1134
1135         for (i = 0; i < N_SONY_RFKILL; i++) {
1136                 int argument = sony_rfkill_address[i];
1137
1138                 if (!sony_rfkill_devices[i])
1139                         continue;
1140
1141                 if (hwblock) {
1142                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1143                                 /* we already know we're blocked */
1144                         }
1145                         continue;
1146                 }
1147
1148                 sony_call_snc_handle(0x124, argument, &result);
1149                 rfkill_set_states(sony_rfkill_devices[i],
1150                                   !(result & 0xf), false);
1151         }
1152 }
1153
1154 static int sony_nc_rfkill_setup(struct acpi_device *device)
1155 {
1156         int result, ret;
1157
1158         if (sony_find_snc_handle(0x124) == -1)
1159                 return -1;
1160
1161         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1162         if (ret) {
1163                 printk(KERN_INFO DRV_PFX
1164                        "Unable to enumerate rfkill devices: %x\n", ret);
1165                 return ret;
1166         }
1167
1168         if (result & 0x1)
1169                 sony_nc_setup_rfkill(device, SONY_WIFI);
1170         if (result & 0x2)
1171                 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1172         if (result & 0x1c)
1173                 sony_nc_setup_rfkill(device, SONY_WWAN);
1174         if (result & 0x20)
1175                 sony_nc_setup_rfkill(device, SONY_WIMAX);
1176
1177         return 0;
1178 }
1179
1180 static int sony_nc_add(struct acpi_device *device)
1181 {
1182         acpi_status status;
1183         int result = 0;
1184         acpi_handle handle;
1185         struct sony_nc_value *item;
1186
1187         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1188                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1189
1190         sony_nc_acpi_device = device;
1191         strcpy(acpi_device_class(device), "sony/hotkey");
1192
1193         sony_nc_acpi_handle = device->handle;
1194
1195         /* read device status */
1196         result = acpi_bus_get_status(device);
1197         /* bail IFF the above call was successful and the device is not present */
1198         if (!result && !device->status.present) {
1199                 dprintk("Device not present\n");
1200                 result = -ENODEV;
1201                 goto outwalk;
1202         }
1203
1204         if (debug) {
1205                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1206                                              1, sony_walk_callback, NULL, NULL);
1207                 if (ACPI_FAILURE(status)) {
1208                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1209                         result = -ENODEV;
1210                         goto outwalk;
1211                 }
1212         }
1213
1214         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1215          * should be respected as we already checked for the device presence above */
1216         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1217                 dprintk("Invoking _INI\n");
1218                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1219                                                 NULL, NULL)))
1220                         dprintk("_INI Method failed\n");
1221         }
1222
1223         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1224                                          &handle))) {
1225                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1226                         dprintk("ECON Method failed\n");
1227         }
1228
1229         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1230                                          &handle))) {
1231                 dprintk("Doing SNC setup\n");
1232                 sony_nc_function_setup(device);
1233                 sony_nc_rfkill_setup(device);
1234         }
1235
1236         /* setup input devices and helper fifo */
1237         result = sony_laptop_setup_input(device);
1238         if (result) {
1239                 printk(KERN_ERR DRV_PFX
1240                                 "Unable to create input devices.\n");
1241                 goto outwalk;
1242         }
1243
1244         if (acpi_video_backlight_support()) {
1245                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1246                        "controlled by ACPI video driver\n");
1247         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1248                                                 &handle))) {
1249                 sony_backlight_device = backlight_device_register("sony", NULL,
1250                                                                   NULL,
1251                                                                   &sony_backlight_ops);
1252
1253                 if (IS_ERR(sony_backlight_device)) {
1254                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1255                         sony_backlight_device = NULL;
1256                 } else {
1257                         sony_backlight_device->props.brightness =
1258                             sony_backlight_get_brightness
1259                             (sony_backlight_device);
1260                         sony_backlight_device->props.max_brightness =
1261                             SONY_MAX_BRIGHTNESS - 1;
1262                 }
1263
1264         }
1265
1266         result = sony_pf_add();
1267         if (result)
1268                 goto outbacklight;
1269
1270         /* create sony_pf sysfs attributes related to the SNC device */
1271         for (item = sony_nc_values; item->name; ++item) {
1272
1273                 if (!debug && item->debug)
1274                         continue;
1275
1276                 /* find the available acpiget as described in the DSDT */
1277                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1278                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1279                                                          *item->acpiget,
1280                                                          &handle))) {
1281                                 dprintk("Found %s getter: %s\n",
1282                                                 item->name, *item->acpiget);
1283                                 item->devattr.attr.mode |= S_IRUGO;
1284                                 break;
1285                         }
1286                 }
1287
1288                 /* find the available acpiset as described in the DSDT */
1289                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1290                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1291                                                          *item->acpiset,
1292                                                          &handle))) {
1293                                 dprintk("Found %s setter: %s\n",
1294                                                 item->name, *item->acpiset);
1295                                 item->devattr.attr.mode |= S_IWUSR;
1296                                 break;
1297                         }
1298                 }
1299
1300                 if (item->devattr.attr.mode != 0) {
1301                         result =
1302                             device_create_file(&sony_pf_device->dev,
1303                                                &item->devattr);
1304                         if (result)
1305                                 goto out_sysfs;
1306                 }
1307         }
1308
1309         return 0;
1310
1311       out_sysfs:
1312         for (item = sony_nc_values; item->name; ++item) {
1313                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1314         }
1315         sony_pf_remove();
1316
1317       outbacklight:
1318         if (sony_backlight_device)
1319                 backlight_device_unregister(sony_backlight_device);
1320
1321         sony_laptop_remove_input();
1322
1323       outwalk:
1324         sony_nc_rfkill_cleanup();
1325         return result;
1326 }
1327
1328 static int sony_nc_remove(struct acpi_device *device, int type)
1329 {
1330         struct sony_nc_value *item;
1331
1332         if (sony_backlight_device)
1333                 backlight_device_unregister(sony_backlight_device);
1334
1335         sony_nc_acpi_device = NULL;
1336
1337         for (item = sony_nc_values; item->name; ++item) {
1338                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1339         }
1340
1341         sony_pf_remove();
1342         sony_laptop_remove_input();
1343         sony_nc_rfkill_cleanup();
1344         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1345
1346         return 0;
1347 }
1348
1349 static const struct acpi_device_id sony_device_ids[] = {
1350         {SONY_NC_HID, 0},
1351         {SONY_PIC_HID, 0},
1352         {"", 0},
1353 };
1354 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1355
1356 static const struct acpi_device_id sony_nc_device_ids[] = {
1357         {SONY_NC_HID, 0},
1358         {"", 0},
1359 };
1360
1361 static struct acpi_driver sony_nc_driver = {
1362         .name = SONY_NC_DRIVER_NAME,
1363         .class = SONY_NC_CLASS,
1364         .ids = sony_nc_device_ids,
1365         .owner = THIS_MODULE,
1366         .ops = {
1367                 .add = sony_nc_add,
1368                 .remove = sony_nc_remove,
1369                 .resume = sony_nc_resume,
1370                 .notify = sony_nc_notify,
1371                 },
1372 };
1373
1374 /*********** SPIC (SNY6001) Device ***********/
1375
1376 #define SONYPI_DEVICE_TYPE1     0x00000001
1377 #define SONYPI_DEVICE_TYPE2     0x00000002
1378 #define SONYPI_DEVICE_TYPE3     0x00000004
1379 #define SONYPI_DEVICE_TYPE4     0x00000008
1380
1381 #define SONYPI_TYPE1_OFFSET     0x04
1382 #define SONYPI_TYPE2_OFFSET     0x12
1383 #define SONYPI_TYPE3_OFFSET     0x12
1384
1385 struct sony_pic_ioport {
1386         struct acpi_resource_io io1;
1387         struct acpi_resource_io io2;
1388         struct list_head        list;
1389 };
1390
1391 struct sony_pic_irq {
1392         struct acpi_resource_irq        irq;
1393         struct list_head                list;
1394 };
1395
1396 struct sonypi_eventtypes {
1397         u8                      data;
1398         unsigned long           mask;
1399         struct sonypi_event     *events;
1400 };
1401
1402 struct device_ctrl {
1403         int                             model;
1404         int                             (*handle_irq)(const u8, const u8);
1405         u16                             evport_offset;
1406         u8                              has_camera;
1407         u8                              has_bluetooth;
1408         u8                              has_wwan;
1409         struct sonypi_eventtypes        *event_types;
1410 };
1411
1412 struct sony_pic_dev {
1413         struct device_ctrl      *control;
1414         struct acpi_device      *acpi_dev;
1415         struct sony_pic_irq     *cur_irq;
1416         struct sony_pic_ioport  *cur_ioport;
1417         struct list_head        interrupts;
1418         struct list_head        ioports;
1419         struct mutex            lock;
1420         u8                      camera_power;
1421         u8                      bluetooth_power;
1422         u8                      wwan_power;
1423 };
1424
1425 static struct sony_pic_dev spic_dev = {
1426         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1427         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1428 };
1429
1430 /* Event masks */
1431 #define SONYPI_JOGGER_MASK                      0x00000001
1432 #define SONYPI_CAPTURE_MASK                     0x00000002
1433 #define SONYPI_FNKEY_MASK                       0x00000004
1434 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1435 #define SONYPI_PKEY_MASK                        0x00000010
1436 #define SONYPI_BACK_MASK                        0x00000020
1437 #define SONYPI_HELP_MASK                        0x00000040
1438 #define SONYPI_LID_MASK                         0x00000080
1439 #define SONYPI_ZOOM_MASK                        0x00000100
1440 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1441 #define SONYPI_MEYE_MASK                        0x00000400
1442 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1443 #define SONYPI_BATTERY_MASK                     0x00001000
1444 #define SONYPI_WIRELESS_MASK                    0x00002000
1445
1446 struct sonypi_event {
1447         u8      data;
1448         u8      event;
1449 };
1450
1451 /* The set of possible button release events */
1452 static struct sonypi_event sonypi_releaseev[] = {
1453         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1454         { 0, 0 }
1455 };
1456
1457 /* The set of possible jogger events  */
1458 static struct sonypi_event sonypi_joggerev[] = {
1459         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1460         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1461         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1462         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1463         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1464         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1465         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1466         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1467         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1468         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1469         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1470         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1471         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1472         { 0, 0 }
1473 };
1474
1475 /* The set of possible capture button events */
1476 static struct sonypi_event sonypi_captureev[] = {
1477         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1478         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1479         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1480         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1481         { 0, 0 }
1482 };
1483
1484 /* The set of possible fnkeys events */
1485 static struct sonypi_event sonypi_fnkeyev[] = {
1486         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1487         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1488         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1489         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1490         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1491         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1492         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1493         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1494         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1495         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1496         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1497         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1498         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1499         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1500         { 0x21, SONYPI_EVENT_FNKEY_1 },
1501         { 0x22, SONYPI_EVENT_FNKEY_2 },
1502         { 0x31, SONYPI_EVENT_FNKEY_D },
1503         { 0x32, SONYPI_EVENT_FNKEY_E },
1504         { 0x33, SONYPI_EVENT_FNKEY_F },
1505         { 0x34, SONYPI_EVENT_FNKEY_S },
1506         { 0x35, SONYPI_EVENT_FNKEY_B },
1507         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1508         { 0, 0 }
1509 };
1510
1511 /* The set of possible program key events */
1512 static struct sonypi_event sonypi_pkeyev[] = {
1513         { 0x01, SONYPI_EVENT_PKEY_P1 },
1514         { 0x02, SONYPI_EVENT_PKEY_P2 },
1515         { 0x04, SONYPI_EVENT_PKEY_P3 },
1516         { 0x20, SONYPI_EVENT_PKEY_P1 },
1517         { 0, 0 }
1518 };
1519
1520 /* The set of possible bluetooth events */
1521 static struct sonypi_event sonypi_blueev[] = {
1522         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1523         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1524         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1525         { 0, 0 }
1526 };
1527
1528 /* The set of possible wireless events */
1529 static struct sonypi_event sonypi_wlessev[] = {
1530         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1531         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1532         { 0, 0 }
1533 };
1534
1535 /* The set of possible back button events */
1536 static struct sonypi_event sonypi_backev[] = {
1537         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1538         { 0, 0 }
1539 };
1540
1541 /* The set of possible help button events */
1542 static struct sonypi_event sonypi_helpev[] = {
1543         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1544         { 0, 0 }
1545 };
1546
1547
1548 /* The set of possible lid events */
1549 static struct sonypi_event sonypi_lidev[] = {
1550         { 0x51, SONYPI_EVENT_LID_CLOSED },
1551         { 0x50, SONYPI_EVENT_LID_OPENED },
1552         { 0, 0 }
1553 };
1554
1555 /* The set of possible zoom events */
1556 static struct sonypi_event sonypi_zoomev[] = {
1557         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1558         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1559         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1560         { 0x04, SONYPI_EVENT_ZOOM_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 /* The set of possible volume events */
1592 static struct sonypi_event sonypi_volumeev[] = {
1593         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1594         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1595         { 0, 0 }
1596 };
1597
1598 /* The set of possible brightness events */
1599 static struct sonypi_event sonypi_brightnessev[] = {
1600         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1601         { 0, 0 }
1602 };
1603
1604 static struct sonypi_eventtypes type1_events[] = {
1605         { 0, 0xffffffff, sonypi_releaseev },
1606         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1607         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1608         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1609         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1610         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1611         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1612         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1613         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1614         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1615         { 0 },
1616 };
1617 static struct sonypi_eventtypes type2_events[] = {
1618         { 0, 0xffffffff, sonypi_releaseev },
1619         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1620         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1621         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1622         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1623         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1624         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1625         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1626         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1627         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1628         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1629         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1630         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1631         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1632         { 0 },
1633 };
1634 static struct sonypi_eventtypes type3_events[] = {
1635         { 0, 0xffffffff, sonypi_releaseev },
1636         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1637         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1638         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1639         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1640         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1641         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1642         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1643         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1644         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1645         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1646         { 0 },
1647 };
1648
1649 /* low level spic calls */
1650 #define ITERATIONS_LONG         10000
1651 #define ITERATIONS_SHORT        10
1652 #define wait_on_command(command, iterations) {                          \
1653         unsigned int n = iterations;                                    \
1654         while (--n && (command))                                        \
1655                 udelay(1);                                              \
1656         if (!n)                                                         \
1657                 dprintk("command failed at %s : %s (line %d)\n",        \
1658                                 __FILE__, __func__, __LINE__);  \
1659 }
1660
1661 static u8 sony_pic_call1(u8 dev)
1662 {
1663         u8 v1, v2;
1664
1665         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1666                         ITERATIONS_LONG);
1667         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1668         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1669         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1670         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1671         return v2;
1672 }
1673
1674 static u8 sony_pic_call2(u8 dev, u8 fn)
1675 {
1676         u8 v1;
1677
1678         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1679                         ITERATIONS_LONG);
1680         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1681         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1682                         ITERATIONS_LONG);
1683         outb(fn, spic_dev.cur_ioport->io1.minimum);
1684         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1685         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1686         return v1;
1687 }
1688
1689 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1690 {
1691         u8 v1;
1692
1693         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1694         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1695         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1696         outb(fn, spic_dev.cur_ioport->io1.minimum);
1697         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1698         outb(v, spic_dev.cur_ioport->io1.minimum);
1699         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1700         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1701                         dev, fn, v, v1);
1702         return v1;
1703 }
1704
1705 /*
1706  * minidrivers for SPIC models
1707  */
1708 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1709 {
1710         /*
1711          * 0x31 could mean we have to take some extra action and wait for
1712          * the next irq for some Type3 models, it will generate a new
1713          * irq and we can read new data from the device:
1714          *  - 0x5c and 0x5f requires 0xA0
1715          *  - 0x61 requires 0xB3
1716          */
1717         if (data_mask == 0x31) {
1718                 if (ev == 0x5c || ev == 0x5f)
1719                         sony_pic_call1(0xA0);
1720                 else if (ev == 0x61)
1721                         sony_pic_call1(0xB3);
1722                 return 0;
1723         }
1724         return 1;
1725 }
1726
1727 static struct device_ctrl spic_types[] = {
1728         {
1729                 .model = SONYPI_DEVICE_TYPE1,
1730                 .handle_irq = NULL,
1731                 .evport_offset = SONYPI_TYPE1_OFFSET,
1732                 .event_types = type1_events,
1733         },
1734         {
1735                 .model = SONYPI_DEVICE_TYPE2,
1736                 .handle_irq = NULL,
1737                 .evport_offset = SONYPI_TYPE2_OFFSET,
1738                 .event_types = type2_events,
1739         },
1740         {
1741                 .model = SONYPI_DEVICE_TYPE3,
1742                 .handle_irq = type3_handle_irq,
1743                 .evport_offset = SONYPI_TYPE3_OFFSET,
1744                 .event_types = type3_events,
1745         },
1746 };
1747
1748 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1749 {
1750         struct pci_dev *pcidev;
1751
1752         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1753                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1754         if (pcidev) {
1755                 dev->control = &spic_types[0];
1756                 goto out;
1757         }
1758
1759         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1760                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1761         if (pcidev) {
1762                 dev->control = &spic_types[2];
1763                 goto out;
1764         }
1765
1766         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1767                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1768         if (pcidev) {
1769                 dev->control = &spic_types[2];
1770                 goto out;
1771         }
1772
1773         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1774                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1775         if (pcidev) {
1776                 dev->control = &spic_types[2];
1777                 goto out;
1778         }
1779
1780         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1781                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1782         if (pcidev) {
1783                 dev->control = &spic_types[2];
1784                 goto out;
1785         }
1786
1787         /* default */
1788         dev->control = &spic_types[1];
1789
1790 out:
1791         if (pcidev)
1792                 pci_dev_put(pcidev);
1793
1794         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1795                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1796                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1797 }
1798
1799 /* camera tests and poweron/poweroff */
1800 #define SONYPI_CAMERA_PICTURE           5
1801 #define SONYPI_CAMERA_CONTROL           0x10
1802
1803 #define SONYPI_CAMERA_BRIGHTNESS                0
1804 #define SONYPI_CAMERA_CONTRAST                  1
1805 #define SONYPI_CAMERA_HUE                       2
1806 #define SONYPI_CAMERA_COLOR                     3
1807 #define SONYPI_CAMERA_SHARPNESS                 4
1808
1809 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1810 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1811 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1812 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1813
1814 /* the rest don't need a loop until not 0xff */
1815 #define SONYPI_CAMERA_AGC                       6
1816 #define SONYPI_CAMERA_AGC_MASK                  0x30
1817 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1818
1819 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1820 #define SONYPI_CAMERA_CONTROL                   0x10
1821
1822 #define SONYPI_CAMERA_STATUS                    7
1823 #define SONYPI_CAMERA_STATUS_READY              0x2
1824 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1825
1826 #define SONYPI_DIRECTION_BACKWARDS              0x4
1827
1828 #define SONYPI_CAMERA_REVISION                  8
1829 #define SONYPI_CAMERA_ROMVERSION                9
1830
1831 static int __sony_pic_camera_ready(void)
1832 {
1833         u8 v;
1834
1835         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1836         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1837 }
1838
1839 static int __sony_pic_camera_off(void)
1840 {
1841         if (!camera) {
1842                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1843                 return -ENODEV;
1844         }
1845
1846         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1847                                 SONYPI_CAMERA_MUTE_MASK),
1848                         ITERATIONS_SHORT);
1849
1850         if (spic_dev.camera_power) {
1851                 sony_pic_call2(0x91, 0);
1852                 spic_dev.camera_power = 0;
1853         }
1854         return 0;
1855 }
1856
1857 static int __sony_pic_camera_on(void)
1858 {
1859         int i, j, x;
1860
1861         if (!camera) {
1862                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1863                 return -ENODEV;
1864         }
1865
1866         if (spic_dev.camera_power)
1867                 return 0;
1868
1869         for (j = 5; j > 0; j--) {
1870
1871                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1872                         msleep(10);
1873                 sony_pic_call1(0x93);
1874
1875                 for (i = 400; i > 0; i--) {
1876                         if (__sony_pic_camera_ready())
1877                                 break;
1878                         msleep(10);
1879                 }
1880                 if (i)
1881                         break;
1882         }
1883
1884         if (j == 0) {
1885                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1886                 return -ENODEV;
1887         }
1888
1889         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1890                                 0x5a),
1891                         ITERATIONS_SHORT);
1892
1893         spic_dev.camera_power = 1;
1894         return 0;
1895 }
1896
1897 /* External camera command (exported to the motion eye v4l driver) */
1898 int sony_pic_camera_command(int command, u8 value)
1899 {
1900         if (!camera)
1901                 return -EIO;
1902
1903         mutex_lock(&spic_dev.lock);
1904
1905         switch (command) {
1906         case SONY_PIC_COMMAND_SETCAMERA:
1907                 if (value)
1908                         __sony_pic_camera_on();
1909                 else
1910                         __sony_pic_camera_off();
1911                 break;
1912         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1913                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1914                                 ITERATIONS_SHORT);
1915                 break;
1916         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1917                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1918                                 ITERATIONS_SHORT);
1919                 break;
1920         case SONY_PIC_COMMAND_SETCAMERAHUE:
1921                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1922                                 ITERATIONS_SHORT);
1923                 break;
1924         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1925                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1926                                 ITERATIONS_SHORT);
1927                 break;
1928         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1929                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1930                                 ITERATIONS_SHORT);
1931                 break;
1932         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1933                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1934                                 ITERATIONS_SHORT);
1935                 break;
1936         case SONY_PIC_COMMAND_SETCAMERAAGC:
1937                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1938                                 ITERATIONS_SHORT);
1939                 break;
1940         default:
1941                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1942                        command);
1943                 break;
1944         }
1945         mutex_unlock(&spic_dev.lock);
1946         return 0;
1947 }
1948 EXPORT_SYMBOL(sony_pic_camera_command);
1949
1950 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1951 static void __sony_pic_set_wwanpower(u8 state)
1952 {
1953         state = !!state;
1954         if (spic_dev.wwan_power == state)
1955                 return;
1956         sony_pic_call2(0xB0, state);
1957         sony_pic_call1(0x82);
1958         spic_dev.wwan_power = state;
1959 }
1960
1961 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1962                 struct device_attribute *attr,
1963                 const char *buffer, size_t count)
1964 {
1965         unsigned long value;
1966         if (count > 31)
1967                 return -EINVAL;
1968
1969         value = simple_strtoul(buffer, NULL, 10);
1970         mutex_lock(&spic_dev.lock);
1971         __sony_pic_set_wwanpower(value);
1972         mutex_unlock(&spic_dev.lock);
1973
1974         return count;
1975 }
1976
1977 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1978                 struct device_attribute *attr, char *buffer)
1979 {
1980         ssize_t count;
1981         mutex_lock(&spic_dev.lock);
1982         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1983         mutex_unlock(&spic_dev.lock);
1984         return count;
1985 }
1986
1987 /* bluetooth subsystem power state */
1988 static void __sony_pic_set_bluetoothpower(u8 state)
1989 {
1990         state = !!state;
1991         if (spic_dev.bluetooth_power == state)
1992                 return;
1993         sony_pic_call2(0x96, state);
1994         sony_pic_call1(0x82);
1995         spic_dev.bluetooth_power = state;
1996 }
1997
1998 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1999                 struct device_attribute *attr,
2000                 const char *buffer, size_t count)
2001 {
2002         unsigned long value;
2003         if (count > 31)
2004                 return -EINVAL;
2005
2006         value = simple_strtoul(buffer, NULL, 10);
2007         mutex_lock(&spic_dev.lock);
2008         __sony_pic_set_bluetoothpower(value);
2009         mutex_unlock(&spic_dev.lock);
2010
2011         return count;
2012 }
2013
2014 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2015                 struct device_attribute *attr, char *buffer)
2016 {
2017         ssize_t count = 0;
2018         mutex_lock(&spic_dev.lock);
2019         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2020         mutex_unlock(&spic_dev.lock);
2021         return count;
2022 }
2023
2024 /* fan speed */
2025 /* FAN0 information (reverse engineered from ACPI tables) */
2026 #define SONY_PIC_FAN0_STATUS    0x93
2027 static int sony_pic_set_fanspeed(unsigned long value)
2028 {
2029         return ec_write(SONY_PIC_FAN0_STATUS, value);
2030 }
2031
2032 static int sony_pic_get_fanspeed(u8 *value)
2033 {
2034         return ec_read(SONY_PIC_FAN0_STATUS, value);
2035 }
2036
2037 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2038                 struct device_attribute *attr,
2039                 const char *buffer, size_t count)
2040 {
2041         unsigned long value;
2042         if (count > 31)
2043                 return -EINVAL;
2044
2045         value = simple_strtoul(buffer, NULL, 10);
2046         if (sony_pic_set_fanspeed(value))
2047                 return -EIO;
2048
2049         return count;
2050 }
2051
2052 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2053                 struct device_attribute *attr, char *buffer)
2054 {
2055         u8 value = 0;
2056         if (sony_pic_get_fanspeed(&value))
2057                 return -EIO;
2058
2059         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2060 }
2061
2062 #define SPIC_ATTR(_name, _mode)                                 \
2063 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2064                 _mode, sony_pic_## _name ##_show,               \
2065                 sony_pic_## _name ##_store)
2066
2067 static SPIC_ATTR(bluetoothpower, 0644);
2068 static SPIC_ATTR(wwanpower, 0644);
2069 static SPIC_ATTR(fanspeed, 0644);
2070
2071 static struct attribute *spic_attributes[] = {
2072         &spic_attr_bluetoothpower.attr,
2073         &spic_attr_wwanpower.attr,
2074         &spic_attr_fanspeed.attr,
2075         NULL
2076 };
2077
2078 static struct attribute_group spic_attribute_group = {
2079         .attrs = spic_attributes
2080 };
2081
2082 /******** SONYPI compatibility **********/
2083 #ifdef CONFIG_SONYPI_COMPAT
2084
2085 /* battery / brightness / temperature  addresses */
2086 #define SONYPI_BAT_FLAGS        0x81
2087 #define SONYPI_LCD_LIGHT        0x96
2088 #define SONYPI_BAT1_PCTRM       0xa0
2089 #define SONYPI_BAT1_LEFT        0xa2
2090 #define SONYPI_BAT1_MAXRT       0xa4
2091 #define SONYPI_BAT2_PCTRM       0xa8
2092 #define SONYPI_BAT2_LEFT        0xaa
2093 #define SONYPI_BAT2_MAXRT       0xac
2094 #define SONYPI_BAT1_MAXTK       0xb0
2095 #define SONYPI_BAT1_FULL        0xb2
2096 #define SONYPI_BAT2_MAXTK       0xb8
2097 #define SONYPI_BAT2_FULL        0xba
2098 #define SONYPI_TEMP_STATUS      0xC1
2099
2100 struct sonypi_compat_s {
2101         struct fasync_struct    *fifo_async;
2102         struct kfifo            *fifo;
2103         spinlock_t              fifo_lock;
2104         wait_queue_head_t       fifo_proc_list;
2105         atomic_t                open_count;
2106 };
2107 static struct sonypi_compat_s sonypi_compat = {
2108         .open_count = ATOMIC_INIT(0),
2109 };
2110
2111 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2112 {
2113         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2114 }
2115
2116 static int sonypi_misc_release(struct inode *inode, struct file *file)
2117 {
2118         atomic_dec(&sonypi_compat.open_count);
2119         return 0;
2120 }
2121
2122 static int sonypi_misc_open(struct inode *inode, struct file *file)
2123 {
2124         /* Flush input queue on first open */
2125         unsigned long flags;
2126
2127         spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2128
2129         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2130                 __kfifo_reset(sonypi_compat.fifo);
2131
2132         spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2133
2134         return 0;
2135 }
2136
2137 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2138                                 size_t count, loff_t *pos)
2139 {
2140         ssize_t ret;
2141         unsigned char c;
2142
2143         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2144             (file->f_flags & O_NONBLOCK))
2145                 return -EAGAIN;
2146
2147         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2148                                        kfifo_len(sonypi_compat.fifo) != 0);
2149         if (ret)
2150                 return ret;
2151
2152         while (ret < count &&
2153                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2154                 if (put_user(c, buf++))
2155                         return -EFAULT;
2156                 ret++;
2157         }
2158
2159         if (ret > 0) {
2160                 struct inode *inode = file->f_path.dentry->d_inode;
2161                 inode->i_atime = current_fs_time(inode->i_sb);
2162         }
2163
2164         return ret;
2165 }
2166
2167 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2168 {
2169         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2170         if (kfifo_len(sonypi_compat.fifo))
2171                 return POLLIN | POLLRDNORM;
2172         return 0;
2173 }
2174
2175 static int ec_read16(u8 addr, u16 *value)
2176 {
2177         u8 val_lb, val_hb;
2178         if (ec_read(addr, &val_lb))
2179                 return -1;
2180         if (ec_read(addr + 1, &val_hb))
2181                 return -1;
2182         *value = val_lb | (val_hb << 8);
2183         return 0;
2184 }
2185
2186 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2187                                                         unsigned long arg)
2188 {
2189         int ret = 0;
2190         void __user *argp = (void __user *)arg;
2191         u8 val8;
2192         u16 val16;
2193         int value;
2194
2195         mutex_lock(&spic_dev.lock);
2196         switch (cmd) {
2197         case SONYPI_IOCGBRT:
2198                 if (sony_backlight_device == NULL) {
2199                         ret = -EIO;
2200                         break;
2201                 }
2202                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2203                         ret = -EIO;
2204                         break;
2205                 }
2206                 val8 = ((value & 0xff) - 1) << 5;
2207                 if (copy_to_user(argp, &val8, sizeof(val8)))
2208                                 ret = -EFAULT;
2209                 break;
2210         case SONYPI_IOCSBRT:
2211                 if (sony_backlight_device == NULL) {
2212                         ret = -EIO;
2213                         break;
2214                 }
2215                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2216                         ret = -EFAULT;
2217                         break;
2218                 }
2219                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2220                                 (val8 >> 5) + 1, NULL)) {
2221                         ret = -EIO;
2222                         break;
2223                 }
2224                 /* sync the backlight device status */
2225                 sony_backlight_device->props.brightness =
2226                     sony_backlight_get_brightness(sony_backlight_device);
2227                 break;
2228         case SONYPI_IOCGBAT1CAP:
2229                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2230                         ret = -EIO;
2231                         break;
2232                 }
2233                 if (copy_to_user(argp, &val16, sizeof(val16)))
2234                         ret = -EFAULT;
2235                 break;
2236         case SONYPI_IOCGBAT1REM:
2237                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2238                         ret = -EIO;
2239                         break;
2240                 }
2241                 if (copy_to_user(argp, &val16, sizeof(val16)))
2242                         ret = -EFAULT;
2243                 break;
2244         case SONYPI_IOCGBAT2CAP:
2245                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2246                         ret = -EIO;
2247                         break;
2248                 }
2249                 if (copy_to_user(argp, &val16, sizeof(val16)))
2250                         ret = -EFAULT;
2251                 break;
2252         case SONYPI_IOCGBAT2REM:
2253                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2254                         ret = -EIO;
2255                         break;
2256                 }
2257                 if (copy_to_user(argp, &val16, sizeof(val16)))
2258                         ret = -EFAULT;
2259                 break;
2260         case SONYPI_IOCGBATFLAGS:
2261                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2262                         ret = -EIO;
2263                         break;
2264                 }
2265                 val8 &= 0x07;
2266                 if (copy_to_user(argp, &val8, sizeof(val8)))
2267                         ret = -EFAULT;
2268                 break;
2269         case SONYPI_IOCGBLUE:
2270                 val8 = spic_dev.bluetooth_power;
2271                 if (copy_to_user(argp, &val8, sizeof(val8)))
2272                         ret = -EFAULT;
2273                 break;
2274         case SONYPI_IOCSBLUE:
2275                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2276                         ret = -EFAULT;
2277                         break;
2278                 }
2279                 __sony_pic_set_bluetoothpower(val8);
2280                 break;
2281         /* FAN Controls */
2282         case SONYPI_IOCGFAN:
2283                 if (sony_pic_get_fanspeed(&val8)) {
2284                         ret = -EIO;
2285                         break;
2286                 }
2287                 if (copy_to_user(argp, &val8, sizeof(val8)))
2288                         ret = -EFAULT;
2289                 break;
2290         case SONYPI_IOCSFAN:
2291                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2292                         ret = -EFAULT;
2293                         break;
2294                 }
2295                 if (sony_pic_set_fanspeed(val8))
2296                         ret = -EIO;
2297                 break;
2298         /* GET Temperature (useful under APM) */
2299         case SONYPI_IOCGTEMP:
2300                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2301                         ret = -EIO;
2302                         break;
2303                 }
2304                 if (copy_to_user(argp, &val8, sizeof(val8)))
2305                         ret = -EFAULT;
2306                 break;
2307         default:
2308                 ret = -EINVAL;
2309         }
2310         mutex_unlock(&spic_dev.lock);
2311         return ret;
2312 }
2313
2314 static const struct file_operations sonypi_misc_fops = {
2315         .owner          = THIS_MODULE,
2316         .read           = sonypi_misc_read,
2317         .poll           = sonypi_misc_poll,
2318         .open           = sonypi_misc_open,
2319         .release        = sonypi_misc_release,
2320         .fasync         = sonypi_misc_fasync,
2321         .unlocked_ioctl = sonypi_misc_ioctl,
2322 };
2323
2324 static struct miscdevice sonypi_misc_device = {
2325         .minor          = MISC_DYNAMIC_MINOR,
2326         .name           = "sonypi",
2327         .fops           = &sonypi_misc_fops,
2328 };
2329
2330 static void sonypi_compat_report_event(u8 event)
2331 {
2332         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2333         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2334         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2335 }
2336
2337 static int sonypi_compat_init(void)
2338 {
2339         int error;
2340
2341         spin_lock_init(&sonypi_compat.fifo_lock);
2342         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2343                                          &sonypi_compat.fifo_lock);
2344         if (IS_ERR(sonypi_compat.fifo)) {
2345                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2346                 return PTR_ERR(sonypi_compat.fifo);
2347         }
2348
2349         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2350
2351         if (minor != -1)
2352                 sonypi_misc_device.minor = minor;
2353         error = misc_register(&sonypi_misc_device);
2354         if (error) {
2355                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2356                 goto err_free_kfifo;
2357         }
2358         if (minor == -1)
2359                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2360                        sonypi_misc_device.minor);
2361
2362         return 0;
2363
2364 err_free_kfifo:
2365         kfifo_free(sonypi_compat.fifo);
2366         return error;
2367 }
2368
2369 static void sonypi_compat_exit(void)
2370 {
2371         misc_deregister(&sonypi_misc_device);
2372         kfifo_free(sonypi_compat.fifo);
2373 }
2374 #else
2375 static int sonypi_compat_init(void) { return 0; }
2376 static void sonypi_compat_exit(void) { }
2377 static void sonypi_compat_report_event(u8 event) { }
2378 #endif /* CONFIG_SONYPI_COMPAT */
2379
2380 /*
2381  * ACPI callbacks
2382  */
2383 static acpi_status
2384 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2385 {
2386         u32 i;
2387         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2388
2389         switch (resource->type) {
2390         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2391                 {
2392                         /* start IO enumeration */
2393                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2394                         if (!ioport)
2395                                 return AE_ERROR;
2396
2397                         list_add(&ioport->list, &dev->ioports);
2398                         return AE_OK;
2399                 }
2400
2401         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2402                 /* end IO enumeration */
2403                 return AE_OK;
2404
2405         case ACPI_RESOURCE_TYPE_IRQ:
2406                 {
2407                         struct acpi_resource_irq *p = &resource->data.irq;
2408                         struct sony_pic_irq *interrupt = NULL;
2409                         if (!p || !p->interrupt_count) {
2410                                 /*
2411                                  * IRQ descriptors may have no IRQ# bits set,
2412                                  * particularly those those w/ _STA disabled
2413                                  */
2414                                 dprintk("Blank IRQ resource\n");
2415                                 return AE_OK;
2416                         }
2417                         for (i = 0; i < p->interrupt_count; i++) {
2418                                 if (!p->interrupts[i]) {
2419                                         printk(KERN_WARNING DRV_PFX
2420                                                         "Invalid IRQ %d\n",
2421                                                         p->interrupts[i]);
2422                                         continue;
2423                                 }
2424                                 interrupt = kzalloc(sizeof(*interrupt),
2425                                                 GFP_KERNEL);
2426                                 if (!interrupt)
2427                                         return AE_ERROR;
2428
2429                                 list_add(&interrupt->list, &dev->interrupts);
2430                                 interrupt->irq.triggering = p->triggering;
2431                                 interrupt->irq.polarity = p->polarity;
2432                                 interrupt->irq.sharable = p->sharable;
2433                                 interrupt->irq.interrupt_count = 1;
2434                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2435                         }
2436                         return AE_OK;
2437                 }
2438         case ACPI_RESOURCE_TYPE_IO:
2439                 {
2440                         struct acpi_resource_io *io = &resource->data.io;
2441                         struct sony_pic_ioport *ioport =
2442                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2443                         if (!io) {
2444                                 dprintk("Blank IO resource\n");
2445                                 return AE_OK;
2446                         }
2447
2448                         if (!ioport->io1.minimum) {
2449                                 memcpy(&ioport->io1, io, sizeof(*io));
2450                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2451                                                 ioport->io1.address_length);
2452                         }
2453                         else if (!ioport->io2.minimum) {
2454                                 memcpy(&ioport->io2, io, sizeof(*io));
2455                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2456                                                 ioport->io2.address_length);
2457                         }
2458                         else {
2459                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2460                                 return AE_ERROR;
2461                         }
2462                         return AE_OK;
2463                 }
2464         default:
2465                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2466                                 resource->type);
2467
2468         case ACPI_RESOURCE_TYPE_END_TAG:
2469                 return AE_OK;
2470         }
2471         return AE_CTRL_TERMINATE;
2472 }
2473
2474 static int sony_pic_possible_resources(struct acpi_device *device)
2475 {
2476         int result = 0;
2477         acpi_status status = AE_OK;
2478
2479         if (!device)
2480                 return -EINVAL;
2481
2482         /* get device status */
2483         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2484         dprintk("Evaluating _STA\n");
2485         result = acpi_bus_get_status(device);
2486         if (result) {
2487                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2488                 goto end;
2489         }
2490
2491         if (!device->status.enabled)
2492                 dprintk("Device disabled\n");
2493         else
2494                 dprintk("Device enabled\n");
2495
2496         /*
2497          * Query and parse 'method'
2498          */
2499         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2500         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2501                         sony_pic_read_possible_resource, &spic_dev);
2502         if (ACPI_FAILURE(status)) {
2503                 printk(KERN_WARNING DRV_PFX
2504                                 "Failure evaluating %s\n",
2505                                 METHOD_NAME__PRS);
2506                 result = -ENODEV;
2507         }
2508 end:
2509         return result;
2510 }
2511
2512 /*
2513  *  Disable the spic device by calling its _DIS method
2514  */
2515 static int sony_pic_disable(struct acpi_device *device)
2516 {
2517         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2518                                                NULL);
2519
2520         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2521                 return -ENXIO;
2522
2523         dprintk("Device disabled\n");
2524         return 0;
2525 }
2526
2527
2528 /*
2529  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2530  *
2531  *  Call _SRS to set current resources
2532  */
2533 static int sony_pic_enable(struct acpi_device *device,
2534                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2535 {
2536         acpi_status status;
2537         int result = 0;
2538         /* Type 1 resource layout is:
2539          *    IO
2540          *    IO
2541          *    IRQNoFlags
2542          *    End
2543          *
2544          * Type 2 and 3 resource layout is:
2545          *    IO
2546          *    IRQNoFlags
2547          *    End
2548          */
2549         struct {
2550                 struct acpi_resource res1;
2551                 struct acpi_resource res2;
2552                 struct acpi_resource res3;
2553                 struct acpi_resource res4;
2554         } *resource;
2555         struct acpi_buffer buffer = { 0, NULL };
2556
2557         if (!ioport || !irq)
2558                 return -EINVAL;
2559
2560         /* init acpi_buffer */
2561         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2562         if (!resource)
2563                 return -ENOMEM;
2564
2565         buffer.length = sizeof(*resource) + 1;
2566         buffer.pointer = resource;
2567
2568         /* setup Type 1 resources */
2569         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2570
2571                 /* setup io resources */
2572                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2573                 resource->res1.length = sizeof(struct acpi_resource);
2574                 memcpy(&resource->res1.data.io, &ioport->io1,
2575                                 sizeof(struct acpi_resource_io));
2576
2577                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2578                 resource->res2.length = sizeof(struct acpi_resource);
2579                 memcpy(&resource->res2.data.io, &ioport->io2,
2580                                 sizeof(struct acpi_resource_io));
2581
2582                 /* setup irq resource */
2583                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2584                 resource->res3.length = sizeof(struct acpi_resource);
2585                 memcpy(&resource->res3.data.irq, &irq->irq,
2586                                 sizeof(struct acpi_resource_irq));
2587                 /* we requested a shared irq */
2588                 resource->res3.data.irq.sharable = ACPI_SHARED;
2589
2590                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2591
2592         }
2593         /* setup Type 2/3 resources */
2594         else {
2595                 /* setup io resource */
2596                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2597                 resource->res1.length = sizeof(struct acpi_resource);
2598                 memcpy(&resource->res1.data.io, &ioport->io1,
2599                                 sizeof(struct acpi_resource_io));
2600
2601                 /* setup irq resource */
2602                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2603                 resource->res2.length = sizeof(struct acpi_resource);
2604                 memcpy(&resource->res2.data.irq, &irq->irq,
2605                                 sizeof(struct acpi_resource_irq));
2606                 /* we requested a shared irq */
2607                 resource->res2.data.irq.sharable = ACPI_SHARED;
2608
2609                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2610         }
2611
2612         /* Attempt to set the resource */
2613         dprintk("Evaluating _SRS\n");
2614         status = acpi_set_current_resources(device->handle, &buffer);
2615
2616         /* check for total failure */
2617         if (ACPI_FAILURE(status)) {
2618                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2619                 result = -ENODEV;
2620                 goto end;
2621         }
2622
2623         /* Necessary device initializations calls (from sonypi) */
2624         sony_pic_call1(0x82);
2625         sony_pic_call2(0x81, 0xff);
2626         sony_pic_call1(compat ? 0x92 : 0x82);
2627
2628 end:
2629         kfree(resource);
2630         return result;
2631 }
2632
2633 /*****************
2634  *
2635  * ISR: some event is available
2636  *
2637  *****************/
2638 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2639 {
2640         int i, j;
2641         u8 ev = 0;
2642         u8 data_mask = 0;
2643         u8 device_event = 0;
2644
2645         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2646
2647         ev = inb_p(dev->cur_ioport->io1.minimum);
2648         if (dev->cur_ioport->io2.minimum)
2649                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2650         else
2651                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2652                                 dev->control->evport_offset);
2653
2654         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2655                         ev, data_mask, dev->cur_ioport->io1.minimum,
2656                         dev->control->evport_offset);
2657
2658         if (ev == 0x00 || ev == 0xff)
2659                 return IRQ_HANDLED;
2660
2661         for (i = 0; dev->control->event_types[i].mask; i++) {
2662
2663                 if ((data_mask & dev->control->event_types[i].data) !=
2664                     dev->control->event_types[i].data)
2665                         continue;
2666
2667                 if (!(mask & dev->control->event_types[i].mask))
2668                         continue;
2669
2670                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2671                         if (ev == dev->control->event_types[i].events[j].data) {
2672                                 device_event =
2673                                         dev->control->
2674                                                 event_types[i].events[j].event;
2675                                 goto found;
2676                         }
2677                 }
2678         }
2679         /* Still not able to decode the event try to pass
2680          * it over to the minidriver
2681          */
2682         if (dev->control->handle_irq &&
2683                         dev->control->handle_irq(data_mask, ev) == 0)
2684                 return IRQ_HANDLED;
2685
2686         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2687                         ev, data_mask, dev->cur_ioport->io1.minimum,
2688                         dev->control->evport_offset);
2689         return IRQ_HANDLED;
2690
2691 found:
2692         sony_laptop_report_input_event(device_event);
2693         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2694         sonypi_compat_report_event(device_event);
2695
2696         return IRQ_HANDLED;
2697 }
2698
2699 /*****************
2700  *
2701  *  ACPI driver
2702  *
2703  *****************/
2704 static int sony_pic_remove(struct acpi_device *device, int type)
2705 {
2706         struct sony_pic_ioport *io, *tmp_io;
2707         struct sony_pic_irq *irq, *tmp_irq;
2708
2709         if (sony_pic_disable(device)) {
2710                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2711                 return -ENXIO;
2712         }
2713
2714         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2715         release_region(spic_dev.cur_ioport->io1.minimum,
2716                         spic_dev.cur_ioport->io1.address_length);
2717         if (spic_dev.cur_ioport->io2.minimum)
2718                 release_region(spic_dev.cur_ioport->io2.minimum,
2719                                 spic_dev.cur_ioport->io2.address_length);
2720
2721         sonypi_compat_exit();
2722
2723         sony_laptop_remove_input();
2724
2725         /* pf attrs */
2726         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2727         sony_pf_remove();
2728
2729         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2730                 list_del(&io->list);
2731                 kfree(io);
2732         }
2733         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2734                 list_del(&irq->list);
2735                 kfree(irq);
2736         }
2737         spic_dev.cur_ioport = NULL;
2738         spic_dev.cur_irq = NULL;
2739
2740         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2741         return 0;
2742 }
2743
2744 static int sony_pic_add(struct acpi_device *device)
2745 {
2746         int result;
2747         struct sony_pic_ioport *io, *tmp_io;
2748         struct sony_pic_irq *irq, *tmp_irq;
2749
2750         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2751                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2752
2753         spic_dev.acpi_dev = device;
2754         strcpy(acpi_device_class(device), "sony/hotkey");
2755         sony_pic_detect_device_type(&spic_dev);
2756         mutex_init(&spic_dev.lock);
2757
2758         /* read _PRS resources */
2759         result = sony_pic_possible_resources(device);
2760         if (result) {
2761                 printk(KERN_ERR DRV_PFX
2762                                 "Unable to read possible resources.\n");
2763                 goto err_free_resources;
2764         }
2765
2766         /* setup input devices and helper fifo */
2767         result = sony_laptop_setup_input(device);
2768         if (result) {
2769                 printk(KERN_ERR DRV_PFX
2770                                 "Unable to create input devices.\n");
2771                 goto err_free_resources;
2772         }
2773
2774         if (sonypi_compat_init())
2775                 goto err_remove_input;
2776
2777         /* request io port */
2778         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2779                 if (request_region(io->io1.minimum, io->io1.address_length,
2780                                         "Sony Programable I/O Device")) {
2781                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2782                                         io->io1.minimum, io->io1.maximum,
2783                                         io->io1.address_length);
2784                         /* Type 1 have 2 ioports */
2785                         if (io->io2.minimum) {
2786                                 if (request_region(io->io2.minimum,
2787                                                 io->io2.address_length,
2788                                                 "Sony Programable I/O Device")) {
2789                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2790                                                         io->io2.minimum, io->io2.maximum,
2791                                                         io->io2.address_length);
2792                                         spic_dev.cur_ioport = io;
2793                                         break;
2794                                 }
2795                                 else {
2796                                         dprintk("Unable to get I/O port2: "
2797                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2798                                                         io->io2.minimum, io->io2.maximum,
2799                                                         io->io2.address_length);
2800                                         release_region(io->io1.minimum,
2801                                                         io->io1.address_length);
2802                                 }
2803                         }
2804                         else {
2805                                 spic_dev.cur_ioport = io;
2806                                 break;
2807                         }
2808                 }
2809         }
2810         if (!spic_dev.cur_ioport) {
2811                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2812                 result = -ENODEV;
2813                 goto err_remove_compat;
2814         }
2815
2816         /* request IRQ */
2817         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2818                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2819                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2820                         dprintk("IRQ: %d - triggering: %d - "
2821                                         "polarity: %d - shr: %d\n",
2822                                         irq->irq.interrupts[0],
2823                                         irq->irq.triggering,
2824                                         irq->irq.polarity,
2825                                         irq->irq.sharable);
2826                         spic_dev.cur_irq = irq;
2827                         break;
2828                 }
2829         }
2830         if (!spic_dev.cur_irq) {
2831                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2832                 result = -ENODEV;
2833                 goto err_release_region;
2834         }
2835
2836         /* set resource status _SRS */
2837         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2838         if (result) {
2839                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2840                 goto err_free_irq;
2841         }
2842
2843         spic_dev.bluetooth_power = -1;
2844         /* create device attributes */
2845         result = sony_pf_add();
2846         if (result)
2847                 goto err_disable_device;
2848
2849         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2850         if (result)
2851                 goto err_remove_pf;
2852
2853         return 0;
2854
2855 err_remove_pf:
2856         sony_pf_remove();
2857
2858 err_disable_device:
2859         sony_pic_disable(device);
2860
2861 err_free_irq:
2862         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2863
2864 err_release_region:
2865         release_region(spic_dev.cur_ioport->io1.minimum,
2866                         spic_dev.cur_ioport->io1.address_length);
2867         if (spic_dev.cur_ioport->io2.minimum)
2868                 release_region(spic_dev.cur_ioport->io2.minimum,
2869                                 spic_dev.cur_ioport->io2.address_length);
2870
2871 err_remove_compat:
2872         sonypi_compat_exit();
2873
2874 err_remove_input:
2875         sony_laptop_remove_input();
2876
2877 err_free_resources:
2878         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2879                 list_del(&io->list);
2880                 kfree(io);
2881         }
2882         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2883                 list_del(&irq->list);
2884                 kfree(irq);
2885         }
2886         spic_dev.cur_ioport = NULL;
2887         spic_dev.cur_irq = NULL;
2888
2889         return result;
2890 }
2891
2892 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2893 {
2894         if (sony_pic_disable(device))
2895                 return -ENXIO;
2896         return 0;
2897 }
2898
2899 static int sony_pic_resume(struct acpi_device *device)
2900 {
2901         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2902         return 0;
2903 }
2904
2905 static const struct acpi_device_id sony_pic_device_ids[] = {
2906         {SONY_PIC_HID, 0},
2907         {"", 0},
2908 };
2909
2910 static struct acpi_driver sony_pic_driver = {
2911         .name = SONY_PIC_DRIVER_NAME,
2912         .class = SONY_PIC_CLASS,
2913         .ids = sony_pic_device_ids,
2914         .owner = THIS_MODULE,
2915         .ops = {
2916                 .add = sony_pic_add,
2917                 .remove = sony_pic_remove,
2918                 .suspend = sony_pic_suspend,
2919                 .resume = sony_pic_resume,
2920                 },
2921 };
2922
2923 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2924         {
2925                 .ident = "Sony Vaio",
2926                 .matches = {
2927                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2928                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2929                 },
2930         },
2931         {
2932                 .ident = "Sony Vaio",
2933                 .matches = {
2934                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2935                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2936                 },
2937         },
2938         { }
2939 };
2940
2941 static int __init sony_laptop_init(void)
2942 {
2943         int result;
2944
2945         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2946                 result = acpi_bus_register_driver(&sony_pic_driver);
2947                 if (result) {
2948                         printk(KERN_ERR DRV_PFX
2949                                         "Unable to register SPIC driver.");
2950                         goto out;
2951                 }
2952         }
2953
2954         result = acpi_bus_register_driver(&sony_nc_driver);
2955         if (result) {
2956                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2957                 goto out_unregister_pic;
2958         }
2959
2960         return 0;
2961
2962 out_unregister_pic:
2963         if (!no_spic)
2964                 acpi_bus_unregister_driver(&sony_pic_driver);
2965 out:
2966         return result;
2967 }
2968
2969 static void __exit sony_laptop_exit(void)
2970 {
2971         acpi_bus_unregister_driver(&sony_nc_driver);
2972         if (!no_spic)
2973                 acpi_bus_unregister_driver(&sony_pic_driver);
2974 }
2975
2976 module_init(sony_laptop_init);
2977 module_exit(sony_laptop_exit);