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         SONY_RFKILL_MAX,
 132 };
 133
 134 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
 135 static int sony_rfkill_address[SONY_RFKILL_MAX] = {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         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 980
 981         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
 982                 info = buffer.pointer;
 983
 984                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 985                         (char *)&info->name, info->param_count);
 986
 987                 kfree(buffer.pointer);
 988         }
 989
 990         return AE_OK;
 991 }
 992
 993 /*
 994  * ACPI device
 995  */
 996 static int sony_nc_function_setup(struct acpi_device *device)
 997 {
 998         int result;
 999
1000         /* Enable all events */
1001         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1002
1003         /* Setup hotkeys */
1004         sony_call_snc_handle(0x0100, 0, &result);
1005         sony_call_snc_handle(0x0101, 0, &result);
1006         sony_call_snc_handle(0x0102, 0x100, &result);
1007         sony_call_snc_handle(0x0127, 0, &result);
1008
1009         return 0;
1010 }
1011
1012 static int sony_nc_resume(struct acpi_device *device)
1013 {
1014         struct sony_nc_value *item;
1015         acpi_handle handle;
1016
1017         for (item = sony_nc_values; item->name; item++) {
1018                 int ret;
1019
1020                 if (!item->valid)
1021                         continue;
1022                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1023                                        item->value, NULL);
1024                 if (ret < 0) {
1025                         printk("%s: %d\n", __func__, ret);
1026                         break;
1027                 }
1028         }
1029
1030         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1031                                          &handle))) {
1032                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1033                         dprintk("ECON Method failed\n");
1034         }
1035
1036         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1037                                          &handle))) {
1038                 dprintk("Doing SNC setup\n");
1039                 sony_nc_function_setup(device);
1040         }
1041
1042         /* set the last requested brightness level */
1043         if (sony_backlight_device &&
1044                         sony_backlight_update_status(sony_backlight_device) < 0)
1045                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1046
1047         return 0;
1048 }
1049
1050 static void sony_nc_rfkill_cleanup(void)
1051 {
1052         int i;
1053
1054         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1055                 if (sony_rfkill_devices[i])
1056                         rfkill_unregister(sony_rfkill_devices[i]);
1057         }
1058 }
1059
1060 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1061 {
1062         int result;
1063         int argument = sony_rfkill_address[(long) data];
1064
1065         sony_call_snc_handle(0x124, 0x200, &result);
1066         if (result & 0x1) {
1067                 sony_call_snc_handle(0x124, argument, &result);
1068                 if (result & 0xf)
1069                         *state = RFKILL_STATE_UNBLOCKED;
1070                 else
1071                         *state = RFKILL_STATE_SOFT_BLOCKED;
1072         } else {
1073                 *state = RFKILL_STATE_HARD_BLOCKED;
1074         }
1075
1076         return 0;
1077 }
1078
1079 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1080 {
1081         int result;
1082         int argument = sony_rfkill_address[(long) data] + 0x100;
1083
1084         if (state == RFKILL_STATE_UNBLOCKED)
1085                 argument |= 0xff0000;
1086
1087         return sony_call_snc_handle(0x124, argument, &result);
1088 }
1089
1090 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1091 {
1092         int err = 0;
1093         struct rfkill *sony_wifi_rfkill;
1094
1095         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1096         if (!sony_wifi_rfkill)
1097                 return -1;
1098         sony_wifi_rfkill->name = "sony-wifi";
1099         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1100         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1101         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1102         err = rfkill_register(sony_wifi_rfkill);
1103         if (err)
1104                 rfkill_free(sony_wifi_rfkill);
1105         else {
1106                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1107                 sony_nc_rfkill_set(sony_wifi_rfkill->data,
1108                                 RFKILL_STATE_UNBLOCKED);
1109         }
1110         return err;
1111 }
1112
1113 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1114 {
1115         int err = 0;
1116         struct rfkill *sony_bluetooth_rfkill;
1117
1118         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1119                                                 RFKILL_TYPE_BLUETOOTH);
1120         if (!sony_bluetooth_rfkill)
1121                 return -1;
1122         sony_bluetooth_rfkill->name = "sony-bluetooth";
1123         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1124         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1125         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1126         err = rfkill_register(sony_bluetooth_rfkill);
1127         if (err)
1128                 rfkill_free(sony_bluetooth_rfkill);
1129         else {
1130                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1131                 sony_nc_rfkill_set(sony_bluetooth_rfkill->data,
1132                                 RFKILL_STATE_UNBLOCKED);
1133         }
1134         return err;
1135 }
1136
1137 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1138 {
1139         int err = 0;
1140         struct rfkill *sony_wwan_rfkill;
1141
1142         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1143         if (!sony_wwan_rfkill)
1144                 return -1;
1145         sony_wwan_rfkill->name = "sony-wwan";
1146         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1147         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1148         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1149         err = rfkill_register(sony_wwan_rfkill);
1150         if (err)
1151                 rfkill_free(sony_wwan_rfkill);
1152         else {
1153                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1154                 sony_nc_rfkill_set(sony_wwan_rfkill->data,
1155                                 RFKILL_STATE_UNBLOCKED);
1156         }
1157         return err;
1158 }
1159
1160 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1161 {
1162         int err = 0;
1163         struct rfkill *sony_wimax_rfkill;
1164
1165         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1166         if (!sony_wimax_rfkill)
1167                 return -1;
1168         sony_wimax_rfkill->name = "sony-wimax";
1169         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1170         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1171         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1172         err = rfkill_register(sony_wimax_rfkill);
1173         if (err)
1174                 rfkill_free(sony_wimax_rfkill);
1175         else {
1176                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1177                 sony_nc_rfkill_set(sony_wimax_rfkill->data,
1178                                 RFKILL_STATE_UNBLOCKED);
1179         }
1180         return err;
1181 }
1182
1183 static void sony_nc_rfkill_update()
1184 {
1185         int i;
1186         enum rfkill_state state;
1187
1188         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1189                 if (sony_rfkill_devices[i]) {
1190                         sony_rfkill_devices[i]->
1191                                 get_state(sony_rfkill_devices[i]->data,
1192                                           &state);
1193                         rfkill_force_state(sony_rfkill_devices[i], state);
1194                 }
1195         }
1196 }
1197
1198 static int sony_nc_rfkill_setup(struct acpi_device *device)
1199 {
1200         int result, ret;
1201
1202         if (sony_find_snc_handle(0x124) == -1)
1203                 return -1;
1204
1205         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1206         if (ret) {
1207                 printk(KERN_INFO DRV_PFX
1208                        "Unable to enumerate rfkill devices: %x\n", ret);
1209                 return ret;
1210         }
1211
1212         if (result & 0x1)
1213                 sony_nc_setup_wifi_rfkill(device);
1214         if (result & 0x2)
1215                 sony_nc_setup_bluetooth_rfkill(device);
1216         if (result & 0x1c)
1217                 sony_nc_setup_wwan_rfkill(device);
1218         if (result & 0x20)
1219                 sony_nc_setup_wimax_rfkill(device);
1220
1221         return 0;
1222 }
1223
1224 static int sony_nc_add(struct acpi_device *device)
1225 {
1226         acpi_status status;
1227         int result = 0;
1228         acpi_handle handle;
1229         struct sony_nc_value *item;
1230
1231         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1232                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1233
1234         sony_nc_acpi_device = device;
1235         strcpy(acpi_device_class(device), "sony/hotkey");
1236
1237         sony_nc_acpi_handle = device->handle;
1238
1239         /* read device status */
1240         result = acpi_bus_get_status(device);
1241         /* bail IFF the above call was successful and the device is not present */
1242         if (!result && !device->status.present) {
1243                 dprintk("Device not present\n");
1244                 result = -ENODEV;
1245                 goto outwalk;
1246         }
1247
1248         if (debug) {
1249                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1250                                              1, sony_walk_callback, NULL, NULL);
1251                 if (ACPI_FAILURE(status)) {
1252                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1253                         result = -ENODEV;
1254                         goto outwalk;
1255                 }
1256         }
1257
1258         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1259          * should be respected as we already checked for the device presence above */
1260         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1261                 dprintk("Invoking _INI\n");
1262                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1263                                                 NULL, NULL)))
1264                         dprintk("_INI Method failed\n");
1265         }
1266
1267         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1268                                          &handle))) {
1269                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1270                         dprintk("ECON Method failed\n");
1271         }
1272
1273         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1274                                          &handle))) {
1275                 dprintk("Doing SNC setup\n");
1276                 sony_nc_function_setup(device);
1277                 sony_nc_rfkill_setup(device);
1278         }
1279
1280         /* setup input devices and helper fifo */
1281         result = sony_laptop_setup_input(device);
1282         if (result) {
1283                 printk(KERN_ERR DRV_PFX
1284                                 "Unable to create input devices.\n");
1285                 goto outwalk;
1286         }
1287
1288         if (acpi_video_backlight_support()) {
1289                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1290                        "controlled by ACPI video driver\n");
1291         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1292                                                 &handle))) {
1293                 sony_backlight_device = backlight_device_register("sony", NULL,
1294                                                                   NULL,
1295                                                                   &sony_backlight_ops);
1296
1297                 if (IS_ERR(sony_backlight_device)) {
1298                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1299                         sony_backlight_device = NULL;
1300                 } else {
1301                         sony_backlight_device->props.brightness =
1302                             sony_backlight_get_brightness
1303                             (sony_backlight_device);
1304                         sony_backlight_device->props.max_brightness =
1305                             SONY_MAX_BRIGHTNESS - 1;
1306                 }
1307
1308         }
1309
1310         result = sony_pf_add();
1311         if (result)
1312                 goto outbacklight;
1313
1314         /* create sony_pf sysfs attributes related to the SNC device */
1315         for (item = sony_nc_values; item->name; ++item) {
1316
1317                 if (!debug && item->debug)
1318                         continue;
1319
1320                 /* find the available acpiget as described in the DSDT */
1321                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1322                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1323                                                          *item->acpiget,
1324                                                          &handle))) {
1325                                 dprintk("Found %s getter: %s\n",
1326                                                 item->name, *item->acpiget);
1327                                 item->devattr.attr.mode |= S_IRUGO;
1328                                 break;
1329                         }
1330                 }
1331
1332                 /* find the available acpiset as described in the DSDT */
1333                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1334                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1335                                                          *item->acpiset,
1336                                                          &handle))) {
1337                                 dprintk("Found %s setter: %s\n",
1338                                                 item->name, *item->acpiset);
1339                                 item->devattr.attr.mode |= S_IWUSR;
1340                                 break;
1341                         }
1342                 }
1343
1344                 if (item->devattr.attr.mode != 0) {
1345                         result =
1346                             device_create_file(&sony_pf_device->dev,
1347                                                &item->devattr);
1348                         if (result)
1349                                 goto out_sysfs;
1350                 }
1351         }
1352
1353         return 0;
1354
1355       out_sysfs:
1356         for (item = sony_nc_values; item->name; ++item) {
1357                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1358         }
1359         sony_pf_remove();
1360
1361       outbacklight:
1362         if (sony_backlight_device)
1363                 backlight_device_unregister(sony_backlight_device);
1364
1365         sony_laptop_remove_input();
1366
1367       outwalk:
1368         sony_nc_rfkill_cleanup();
1369         return result;
1370 }
1371
1372 static int sony_nc_remove(struct acpi_device *device, int type)
1373 {
1374         struct sony_nc_value *item;
1375
1376         if (sony_backlight_device)
1377                 backlight_device_unregister(sony_backlight_device);
1378
1379         sony_nc_acpi_device = NULL;
1380
1381         for (item = sony_nc_values; item->name; ++item) {
1382                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1383         }
1384
1385         sony_pf_remove();
1386         sony_laptop_remove_input();
1387         sony_nc_rfkill_cleanup();
1388         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1389
1390         return 0;
1391 }
1392
1393 static const struct acpi_device_id sony_device_ids[] = {
1394         {SONY_NC_HID, 0},
1395         {SONY_PIC_HID, 0},
1396         {"", 0},
1397 };
1398 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1399
1400 static const struct acpi_device_id sony_nc_device_ids[] = {
1401         {SONY_NC_HID, 0},
1402         {"", 0},
1403 };
1404
1405 static struct acpi_driver sony_nc_driver = {
1406         .name = SONY_NC_DRIVER_NAME,
1407         .class = SONY_NC_CLASS,
1408         .ids = sony_nc_device_ids,
1409         .owner = THIS_MODULE,
1410         .ops = {
1411                 .add = sony_nc_add,
1412                 .remove = sony_nc_remove,
1413                 .resume = sony_nc_resume,
1414                 .notify = sony_nc_notify,
1415                 },
1416 };
1417
1418 /*********** SPIC (SNY6001) Device ***********/
1419
1420 #define SONYPI_DEVICE_TYPE1     0x00000001
1421 #define SONYPI_DEVICE_TYPE2     0x00000002
1422 #define SONYPI_DEVICE_TYPE3     0x00000004
1423 #define SONYPI_DEVICE_TYPE4     0x00000008
1424
1425 #define SONYPI_TYPE1_OFFSET     0x04
1426 #define SONYPI_TYPE2_OFFSET     0x12
1427 #define SONYPI_TYPE3_OFFSET     0x12
1428
1429 struct sony_pic_ioport {
1430         struct acpi_resource_io io1;
1431         struct acpi_resource_io io2;
1432         struct list_head        list;
1433 };
1434
1435 struct sony_pic_irq {
1436         struct acpi_resource_irq        irq;
1437         struct list_head                list;
1438 };
1439
1440 struct sonypi_eventtypes {
1441         u8                      data;
1442         unsigned long           mask;
1443         struct sonypi_event     *events;
1444 };
1445
1446 struct device_ctrl {
1447         int                             model;
1448         int                             (*handle_irq)(const u8, const u8);
1449         u16                             evport_offset;
1450         u8                              has_camera;
1451         u8                              has_bluetooth;
1452         u8                              has_wwan;
1453         struct sonypi_eventtypes        *event_types;
1454 };
1455
1456 struct sony_pic_dev {
1457         struct device_ctrl      *control;
1458         struct acpi_device      *acpi_dev;
1459         struct sony_pic_irq     *cur_irq;
1460         struct sony_pic_ioport  *cur_ioport;
1461         struct list_head        interrupts;
1462         struct list_head        ioports;
1463         struct mutex            lock;
1464         u8                      camera_power;
1465         u8                      bluetooth_power;
1466         u8                      wwan_power;
1467 };
1468
1469 static struct sony_pic_dev spic_dev = {
1470         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1471         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1472 };
1473
1474 /* Event masks */
1475 #define SONYPI_JOGGER_MASK                      0x00000001
1476 #define SONYPI_CAPTURE_MASK                     0x00000002
1477 #define SONYPI_FNKEY_MASK                       0x00000004
1478 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1479 #define SONYPI_PKEY_MASK                        0x00000010
1480 #define SONYPI_BACK_MASK                        0x00000020
1481 #define SONYPI_HELP_MASK                        0x00000040
1482 #define SONYPI_LID_MASK                         0x00000080
1483 #define SONYPI_ZOOM_MASK                        0x00000100
1484 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1485 #define SONYPI_MEYE_MASK                        0x00000400
1486 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1487 #define SONYPI_BATTERY_MASK                     0x00001000
1488 #define SONYPI_WIRELESS_MASK                    0x00002000
1489
1490 struct sonypi_event {
1491         u8      data;
1492         u8      event;
1493 };
1494
1495 /* The set of possible button release events */
1496 static struct sonypi_event sonypi_releaseev[] = {
1497         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1498         { 0, 0 }
1499 };
1500
1501 /* The set of possible jogger events  */
1502 static struct sonypi_event sonypi_joggerev[] = {
1503         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1504         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1505         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1506         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1507         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1508         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1509         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1510         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1511         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1512         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1513         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1514         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1515         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1516         { 0, 0 }
1517 };
1518
1519 /* The set of possible capture button events */
1520 static struct sonypi_event sonypi_captureev[] = {
1521         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1522         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1523         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1524         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1525         { 0, 0 }
1526 };
1527
1528 /* The set of possible fnkeys events */
1529 static struct sonypi_event sonypi_fnkeyev[] = {
1530         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1531         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1532         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1533         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1534         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1535         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1536         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1537         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1538         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1539         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1540         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1541         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1542         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1543         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1544         { 0x21, SONYPI_EVENT_FNKEY_1 },
1545         { 0x22, SONYPI_EVENT_FNKEY_2 },
1546         { 0x31, SONYPI_EVENT_FNKEY_D },
1547         { 0x32, SONYPI_EVENT_FNKEY_E },
1548         { 0x33, SONYPI_EVENT_FNKEY_F },
1549         { 0x34, SONYPI_EVENT_FNKEY_S },
1550         { 0x35, SONYPI_EVENT_FNKEY_B },
1551         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1552         { 0, 0 }
1553 };
1554
1555 /* The set of possible program key events */
1556 static struct sonypi_event sonypi_pkeyev[] = {
1557         { 0x01, SONYPI_EVENT_PKEY_P1 },
1558         { 0x02, SONYPI_EVENT_PKEY_P2 },
1559         { 0x04, SONYPI_EVENT_PKEY_P3 },
1560         { 0x20, SONYPI_EVENT_PKEY_P1 },
1561         { 0, 0 }
1562 };
1563
1564 /* The set of possible bluetooth events */
1565 static struct sonypi_event sonypi_blueev[] = {
1566         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1567         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1568         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1569         { 0, 0 }
1570 };
1571
1572 /* The set of possible wireless events */
1573 static struct sonypi_event sonypi_wlessev[] = {
1574         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1575         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1576         { 0, 0 }
1577 };
1578
1579 /* The set of possible back button events */
1580 static struct sonypi_event sonypi_backev[] = {
1581         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1582         { 0, 0 }
1583 };
1584
1585 /* The set of possible help button events */
1586 static struct sonypi_event sonypi_helpev[] = {
1587         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1588         { 0, 0 }
1589 };
1590
1591
1592 /* The set of possible lid events */
1593 static struct sonypi_event sonypi_lidev[] = {
1594         { 0x51, SONYPI_EVENT_LID_CLOSED },
1595         { 0x50, SONYPI_EVENT_LID_OPENED },
1596         { 0, 0 }
1597 };
1598
1599 /* The set of possible zoom events */
1600 static struct sonypi_event sonypi_zoomev[] = {
1601         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1602         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1603         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1604         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1605         { 0, 0 }
1606 };
1607
1608 /* The set of possible thumbphrase events */
1609 static struct sonypi_event sonypi_thumbphraseev[] = {
1610         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1611         { 0, 0 }
1612 };
1613
1614 /* The set of possible motioneye camera events */
1615 static struct sonypi_event sonypi_meyeev[] = {
1616         { 0x00, SONYPI_EVENT_MEYE_FACE },
1617         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1618         { 0, 0 }
1619 };
1620
1621 /* The set of possible memorystick events */
1622 static struct sonypi_event sonypi_memorystickev[] = {
1623         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1624         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1625         { 0, 0 }
1626 };
1627
1628 /* The set of possible battery events */
1629 static struct sonypi_event sonypi_batteryev[] = {
1630         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1631         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1632         { 0, 0 }
1633 };
1634
1635 /* The set of possible volume events */
1636 static struct sonypi_event sonypi_volumeev[] = {
1637         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1638         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1639         { 0, 0 }
1640 };
1641
1642 /* The set of possible brightness events */
1643 static struct sonypi_event sonypi_brightnessev[] = {
1644         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1645         { 0, 0 }
1646 };
1647
1648 static struct sonypi_eventtypes type1_events[] = {
1649         { 0, 0xffffffff, sonypi_releaseev },
1650         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1651         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1652         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1653         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1654         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1655         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1656         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1657         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1658         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1659         { 0 },
1660 };
1661 static struct sonypi_eventtypes type2_events[] = {
1662         { 0, 0xffffffff, sonypi_releaseev },
1663         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1664         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1665         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1666         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1667         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1668         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1669         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1670         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1671         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1672         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1673         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1674         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1675         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1676         { 0 },
1677 };
1678 static struct sonypi_eventtypes type3_events[] = {
1679         { 0, 0xffffffff, sonypi_releaseev },
1680         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1681         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1682         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1683         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1684         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1685         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1686         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1687         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1688         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1689         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1690         { 0 },
1691 };
1692
1693 /* low level spic calls */
1694 #define ITERATIONS_LONG         10000
1695 #define ITERATIONS_SHORT        10
1696 #define wait_on_command(command, iterations) {                          \
1697         unsigned int n = iterations;                                    \
1698         while (--n && (command))                                        \
1699                 udelay(1);                                              \
1700         if (!n)                                                         \
1701                 dprintk("command failed at %s : %s (line %d)\n",        \
1702                                 __FILE__, __func__, __LINE__);  \
1703 }
1704
1705 static u8 sony_pic_call1(u8 dev)
1706 {
1707         u8 v1, v2;
1708
1709         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1710                         ITERATIONS_LONG);
1711         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1712         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1713         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1714         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1715         return v2;
1716 }
1717
1718 static u8 sony_pic_call2(u8 dev, u8 fn)
1719 {
1720         u8 v1;
1721
1722         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1723                         ITERATIONS_LONG);
1724         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1725         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1726                         ITERATIONS_LONG);
1727         outb(fn, spic_dev.cur_ioport->io1.minimum);
1728         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1729         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1730         return v1;
1731 }
1732
1733 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1734 {
1735         u8 v1;
1736
1737         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1738         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1739         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1740         outb(fn, spic_dev.cur_ioport->io1.minimum);
1741         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1742         outb(v, spic_dev.cur_ioport->io1.minimum);
1743         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1744         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1745                         dev, fn, v, v1);
1746         return v1;
1747 }
1748
1749 /*
1750  * minidrivers for SPIC models
1751  */
1752 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1753 {
1754         /*
1755          * 0x31 could mean we have to take some extra action and wait for
1756          * the next irq for some Type3 models, it will generate a new
1757          * irq and we can read new data from the device:
1758          *  - 0x5c and 0x5f requires 0xA0
1759          *  - 0x61 requires 0xB3
1760          */
1761         if (data_mask == 0x31) {
1762                 if (ev == 0x5c || ev == 0x5f)
1763                         sony_pic_call1(0xA0);
1764                 else if (ev == 0x61)
1765                         sony_pic_call1(0xB3);
1766                 return 0;
1767         }
1768         return 1;
1769 }
1770
1771 static struct device_ctrl spic_types[] = {
1772         {
1773                 .model = SONYPI_DEVICE_TYPE1,
1774                 .handle_irq = NULL,
1775                 .evport_offset = SONYPI_TYPE1_OFFSET,
1776                 .event_types = type1_events,
1777         },
1778         {
1779                 .model = SONYPI_DEVICE_TYPE2,
1780                 .handle_irq = NULL,
1781                 .evport_offset = SONYPI_TYPE2_OFFSET,
1782                 .event_types = type2_events,
1783         },
1784         {
1785                 .model = SONYPI_DEVICE_TYPE3,
1786                 .handle_irq = type3_handle_irq,
1787                 .evport_offset = SONYPI_TYPE3_OFFSET,
1788                 .event_types = type3_events,
1789         },
1790 };
1791
1792 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1793 {
1794         struct pci_dev *pcidev;
1795
1796         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1797                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1798         if (pcidev) {
1799                 dev->control = &spic_types[0];
1800                 goto out;
1801         }
1802
1803         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1804                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1805         if (pcidev) {
1806                 dev->control = &spic_types[2];
1807                 goto out;
1808         }
1809
1810         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1811                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1812         if (pcidev) {
1813                 dev->control = &spic_types[2];
1814                 goto out;
1815         }
1816
1817         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1818                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1819         if (pcidev) {
1820                 dev->control = &spic_types[2];
1821                 goto out;
1822         }
1823
1824         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1825                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1826         if (pcidev) {
1827                 dev->control = &spic_types[2];
1828                 goto out;
1829         }
1830
1831         /* default */
1832         dev->control = &spic_types[1];
1833
1834 out:
1835         if (pcidev)
1836                 pci_dev_put(pcidev);
1837
1838         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1839                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1840                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1841 }
1842
1843 /* camera tests and poweron/poweroff */
1844 #define SONYPI_CAMERA_PICTURE           5
1845 #define SONYPI_CAMERA_CONTROL           0x10
1846
1847 #define SONYPI_CAMERA_BRIGHTNESS                0
1848 #define SONYPI_CAMERA_CONTRAST                  1
1849 #define SONYPI_CAMERA_HUE                       2
1850 #define SONYPI_CAMERA_COLOR                     3
1851 #define SONYPI_CAMERA_SHARPNESS                 4
1852
1853 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1854 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1855 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1856 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1857
1858 /* the rest don't need a loop until not 0xff */
1859 #define SONYPI_CAMERA_AGC                       6
1860 #define SONYPI_CAMERA_AGC_MASK                  0x30
1861 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1862
1863 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1864 #define SONYPI_CAMERA_CONTROL                   0x10
1865
1866 #define SONYPI_CAMERA_STATUS                    7
1867 #define SONYPI_CAMERA_STATUS_READY              0x2
1868 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1869
1870 #define SONYPI_DIRECTION_BACKWARDS              0x4
1871
1872 #define SONYPI_CAMERA_REVISION                  8
1873 #define SONYPI_CAMERA_ROMVERSION                9
1874
1875 static int __sony_pic_camera_ready(void)
1876 {
1877         u8 v;
1878
1879         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1880         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1881 }
1882
1883 static int __sony_pic_camera_off(void)
1884 {
1885         if (!camera) {
1886                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1887                 return -ENODEV;
1888         }
1889
1890         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1891                                 SONYPI_CAMERA_MUTE_MASK),
1892                         ITERATIONS_SHORT);
1893
1894         if (spic_dev.camera_power) {
1895                 sony_pic_call2(0x91, 0);
1896                 spic_dev.camera_power = 0;
1897         }
1898         return 0;
1899 }
1900
1901 static int __sony_pic_camera_on(void)
1902 {
1903         int i, j, x;
1904
1905         if (!camera) {
1906                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1907                 return -ENODEV;
1908         }
1909
1910         if (spic_dev.camera_power)
1911                 return 0;
1912
1913         for (j = 5; j > 0; j--) {
1914
1915                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1916                         msleep(10);
1917                 sony_pic_call1(0x93);
1918
1919                 for (i = 400; i > 0; i--) {
1920                         if (__sony_pic_camera_ready())
1921                                 break;
1922                         msleep(10);
1923                 }
1924                 if (i)
1925                         break;
1926         }
1927
1928         if (j == 0) {
1929                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1930                 return -ENODEV;
1931         }
1932
1933         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1934                                 0x5a),
1935                         ITERATIONS_SHORT);
1936
1937         spic_dev.camera_power = 1;
1938         return 0;
1939 }
1940
1941 /* External camera command (exported to the motion eye v4l driver) */
1942 int sony_pic_camera_command(int command, u8 value)
1943 {
1944         if (!camera)
1945                 return -EIO;
1946
1947         mutex_lock(&spic_dev.lock);
1948
1949         switch (command) {
1950         case SONY_PIC_COMMAND_SETCAMERA:
1951                 if (value)
1952                         __sony_pic_camera_on();
1953                 else
1954                         __sony_pic_camera_off();
1955                 break;
1956         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1957                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1958                                 ITERATIONS_SHORT);
1959                 break;
1960         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1961                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1962                                 ITERATIONS_SHORT);
1963                 break;
1964         case SONY_PIC_COMMAND_SETCAMERAHUE:
1965                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1966                                 ITERATIONS_SHORT);
1967                 break;
1968         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1969                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1970                                 ITERATIONS_SHORT);
1971                 break;
1972         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1973                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1974                                 ITERATIONS_SHORT);
1975                 break;
1976         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1977                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1978                                 ITERATIONS_SHORT);
1979                 break;
1980         case SONY_PIC_COMMAND_SETCAMERAAGC:
1981                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1982                                 ITERATIONS_SHORT);
1983                 break;
1984         default:
1985                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1986                        command);
1987                 break;
1988         }
1989         mutex_unlock(&spic_dev.lock);
1990         return 0;
1991 }
1992 EXPORT_SYMBOL(sony_pic_camera_command);
1993
1994 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1995 static void __sony_pic_set_wwanpower(u8 state)
1996 {
1997         state = !!state;
1998         if (spic_dev.wwan_power == state)
1999                 return;
2000         sony_pic_call2(0xB0, state);
2001         sony_pic_call1(0x82);
2002         spic_dev.wwan_power = state;
2003 }
2004
2005 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2006                 struct device_attribute *attr,
2007                 const char *buffer, size_t count)
2008 {
2009         unsigned long value;
2010         if (count > 31)
2011                 return -EINVAL;
2012
2013         value = simple_strtoul(buffer, NULL, 10);
2014         mutex_lock(&spic_dev.lock);
2015         __sony_pic_set_wwanpower(value);
2016         mutex_unlock(&spic_dev.lock);
2017
2018         return count;
2019 }
2020
2021 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2022                 struct device_attribute *attr, char *buffer)
2023 {
2024         ssize_t count;
2025         mutex_lock(&spic_dev.lock);
2026         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2027         mutex_unlock(&spic_dev.lock);
2028         return count;
2029 }
2030
2031 /* bluetooth subsystem power state */
2032 static void __sony_pic_set_bluetoothpower(u8 state)
2033 {
2034         state = !!state;
2035         if (spic_dev.bluetooth_power == state)
2036                 return;
2037         sony_pic_call2(0x96, state);
2038         sony_pic_call1(0x82);
2039         spic_dev.bluetooth_power = state;
2040 }
2041
2042 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2043                 struct device_attribute *attr,
2044                 const char *buffer, size_t count)
2045 {
2046         unsigned long value;
2047         if (count > 31)
2048                 return -EINVAL;
2049
2050         value = simple_strtoul(buffer, NULL, 10);
2051         mutex_lock(&spic_dev.lock);
2052         __sony_pic_set_bluetoothpower(value);
2053         mutex_unlock(&spic_dev.lock);
2054
2055         return count;
2056 }
2057
2058 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2059                 struct device_attribute *attr, char *buffer)
2060 {
2061         ssize_t count = 0;
2062         mutex_lock(&spic_dev.lock);
2063         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2064         mutex_unlock(&spic_dev.lock);
2065         return count;
2066 }
2067
2068 /* fan speed */
2069 /* FAN0 information (reverse engineered from ACPI tables) */
2070 #define SONY_PIC_FAN0_STATUS    0x93
2071 static int sony_pic_set_fanspeed(unsigned long value)
2072 {
2073         return ec_write(SONY_PIC_FAN0_STATUS, value);
2074 }
2075
2076 static int sony_pic_get_fanspeed(u8 *value)
2077 {
2078         return ec_read(SONY_PIC_FAN0_STATUS, value);
2079 }
2080
2081 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2082                 struct device_attribute *attr,
2083                 const char *buffer, size_t count)
2084 {
2085         unsigned long value;
2086         if (count > 31)
2087                 return -EINVAL;
2088
2089         value = simple_strtoul(buffer, NULL, 10);
2090         if (sony_pic_set_fanspeed(value))
2091                 return -EIO;
2092
2093         return count;
2094 }
2095
2096 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2097                 struct device_attribute *attr, char *buffer)
2098 {
2099         u8 value = 0;
2100         if (sony_pic_get_fanspeed(&value))
2101                 return -EIO;
2102
2103         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2104 }
2105
2106 #define SPIC_ATTR(_name, _mode)                                 \
2107 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2108                 _mode, sony_pic_## _name ##_show,               \
2109                 sony_pic_## _name ##_store)
2110
2111 static SPIC_ATTR(bluetoothpower, 0644);
2112 static SPIC_ATTR(wwanpower, 0644);
2113 static SPIC_ATTR(fanspeed, 0644);
2114
2115 static struct attribute *spic_attributes[] = {
2116         &spic_attr_bluetoothpower.attr,
2117         &spic_attr_wwanpower.attr,
2118         &spic_attr_fanspeed.attr,
2119         NULL
2120 };
2121
2122 static struct attribute_group spic_attribute_group = {
2123         .attrs = spic_attributes
2124 };
2125
2126 /******** SONYPI compatibility **********/
2127 #ifdef CONFIG_SONYPI_COMPAT
2128
2129 /* battery / brightness / temperature  addresses */
2130 #define SONYPI_BAT_FLAGS        0x81
2131 #define SONYPI_LCD_LIGHT        0x96
2132 #define SONYPI_BAT1_PCTRM       0xa0
2133 #define SONYPI_BAT1_LEFT        0xa2
2134 #define SONYPI_BAT1_MAXRT       0xa4
2135 #define SONYPI_BAT2_PCTRM       0xa8
2136 #define SONYPI_BAT2_LEFT        0xaa
2137 #define SONYPI_BAT2_MAXRT       0xac
2138 #define SONYPI_BAT1_MAXTK       0xb0
2139 #define SONYPI_BAT1_FULL        0xb2
2140 #define SONYPI_BAT2_MAXTK       0xb8
2141 #define SONYPI_BAT2_FULL        0xba
2142 #define SONYPI_TEMP_STATUS      0xC1
2143
2144 struct sonypi_compat_s {
2145         struct fasync_struct    *fifo_async;
2146         struct kfifo            *fifo;
2147         spinlock_t              fifo_lock;
2148         wait_queue_head_t       fifo_proc_list;
2149         atomic_t                open_count;
2150 };
2151 static struct sonypi_compat_s sonypi_compat = {
2152         .open_count = ATOMIC_INIT(0),
2153 };
2154
2155 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2156 {
2157         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2158 }
2159
2160 static int sonypi_misc_release(struct inode *inode, struct file *file)
2161 {
2162         atomic_dec(&sonypi_compat.open_count);
2163         return 0;
2164 }
2165
2166 static int sonypi_misc_open(struct inode *inode, struct file *file)
2167 {
2168         /* Flush input queue on first open */
2169         unsigned long flags;
2170
2171         spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2172
2173         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2174                 __kfifo_reset(sonypi_compat.fifo);
2175
2176         spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2177
2178         return 0;
2179 }
2180
2181 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2182                                 size_t count, loff_t *pos)
2183 {
2184         ssize_t ret;
2185         unsigned char c;
2186
2187         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2188             (file->f_flags & O_NONBLOCK))
2189                 return -EAGAIN;
2190
2191         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2192                                        kfifo_len(sonypi_compat.fifo) != 0);
2193         if (ret)
2194                 return ret;
2195
2196         while (ret < count &&
2197                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2198                 if (put_user(c, buf++))
2199                         return -EFAULT;
2200                 ret++;
2201         }
2202
2203         if (ret > 0) {
2204                 struct inode *inode = file->f_path.dentry->d_inode;
2205                 inode->i_atime = current_fs_time(inode->i_sb);
2206         }
2207
2208         return ret;
2209 }
2210
2211 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2212 {
2213         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2214         if (kfifo_len(sonypi_compat.fifo))
2215                 return POLLIN | POLLRDNORM;
2216         return 0;
2217 }
2218
2219 static int ec_read16(u8 addr, u16 *value)
2220 {
2221         u8 val_lb, val_hb;
2222         if (ec_read(addr, &val_lb))
2223                 return -1;
2224         if (ec_read(addr + 1, &val_hb))
2225                 return -1;
2226         *value = val_lb | (val_hb << 8);
2227         return 0;
2228 }
2229
2230 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2231                                                         unsigned long arg)
2232 {
2233         int ret = 0;
2234         void __user *argp = (void __user *)arg;
2235         u8 val8;
2236         u16 val16;
2237         int value;
2238
2239         mutex_lock(&spic_dev.lock);
2240         switch (cmd) {
2241         case SONYPI_IOCGBRT:
2242                 if (sony_backlight_device == NULL) {
2243                         ret = -EIO;
2244                         break;
2245                 }
2246                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2247                         ret = -EIO;
2248                         break;
2249                 }
2250                 val8 = ((value & 0xff) - 1) << 5;
2251                 if (copy_to_user(argp, &val8, sizeof(val8)))
2252                                 ret = -EFAULT;
2253                 break;
2254         case SONYPI_IOCSBRT:
2255                 if (sony_backlight_device == NULL) {
2256                         ret = -EIO;
2257                         break;
2258                 }
2259                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2260                         ret = -EFAULT;
2261                         break;
2262                 }
2263                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2264                                 (val8 >> 5) + 1, NULL)) {
2265                         ret = -EIO;
2266                         break;
2267                 }
2268                 /* sync the backlight device status */
2269                 sony_backlight_device->props.brightness =
2270                     sony_backlight_get_brightness(sony_backlight_device);
2271                 break;
2272         case SONYPI_IOCGBAT1CAP:
2273                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2274                         ret = -EIO;
2275                         break;
2276                 }
2277                 if (copy_to_user(argp, &val16, sizeof(val16)))
2278                         ret = -EFAULT;
2279                 break;
2280         case SONYPI_IOCGBAT1REM:
2281                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2282                         ret = -EIO;
2283                         break;
2284                 }
2285                 if (copy_to_user(argp, &val16, sizeof(val16)))
2286                         ret = -EFAULT;
2287                 break;
2288         case SONYPI_IOCGBAT2CAP:
2289                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2290                         ret = -EIO;
2291                         break;
2292                 }
2293                 if (copy_to_user(argp, &val16, sizeof(val16)))
2294                         ret = -EFAULT;
2295                 break;
2296         case SONYPI_IOCGBAT2REM:
2297                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2298                         ret = -EIO;
2299                         break;
2300                 }
2301                 if (copy_to_user(argp, &val16, sizeof(val16)))
2302                         ret = -EFAULT;
2303                 break;
2304         case SONYPI_IOCGBATFLAGS:
2305                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2306                         ret = -EIO;
2307                         break;
2308                 }
2309                 val8 &= 0x07;
2310                 if (copy_to_user(argp, &val8, sizeof(val8)))
2311                         ret = -EFAULT;
2312                 break;
2313         case SONYPI_IOCGBLUE:
2314                 val8 = spic_dev.bluetooth_power;
2315                 if (copy_to_user(argp, &val8, sizeof(val8)))
2316                         ret = -EFAULT;
2317                 break;
2318         case SONYPI_IOCSBLUE:
2319                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2320                         ret = -EFAULT;
2321                         break;
2322                 }
2323                 __sony_pic_set_bluetoothpower(val8);
2324                 break;
2325         /* FAN Controls */
2326         case SONYPI_IOCGFAN:
2327                 if (sony_pic_get_fanspeed(&val8)) {
2328                         ret = -EIO;
2329                         break;
2330                 }
2331                 if (copy_to_user(argp, &val8, sizeof(val8)))
2332                         ret = -EFAULT;
2333                 break;
2334         case SONYPI_IOCSFAN:
2335                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2336                         ret = -EFAULT;
2337                         break;
2338                 }
2339                 if (sony_pic_set_fanspeed(val8))
2340                         ret = -EIO;
2341                 break;
2342         /* GET Temperature (useful under APM) */
2343         case SONYPI_IOCGTEMP:
2344                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2345                         ret = -EIO;
2346                         break;
2347                 }
2348                 if (copy_to_user(argp, &val8, sizeof(val8)))
2349                         ret = -EFAULT;
2350                 break;
2351         default:
2352                 ret = -EINVAL;
2353         }
2354         mutex_unlock(&spic_dev.lock);
2355         return ret;
2356 }
2357
2358 static const struct file_operations sonypi_misc_fops = {
2359         .owner          = THIS_MODULE,
2360         .read           = sonypi_misc_read,
2361         .poll           = sonypi_misc_poll,
2362         .open           = sonypi_misc_open,
2363         .release        = sonypi_misc_release,
2364         .fasync         = sonypi_misc_fasync,
2365         .unlocked_ioctl = sonypi_misc_ioctl,
2366 };
2367
2368 static struct miscdevice sonypi_misc_device = {
2369         .minor          = MISC_DYNAMIC_MINOR,
2370         .name           = "sonypi",
2371         .fops           = &sonypi_misc_fops,
2372 };
2373
2374 static void sonypi_compat_report_event(u8 event)
2375 {
2376         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2377         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2378         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2379 }
2380
2381 static int sonypi_compat_init(void)
2382 {
2383         int error;
2384
2385         spin_lock_init(&sonypi_compat.fifo_lock);
2386         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2387                                          &sonypi_compat.fifo_lock);
2388         if (IS_ERR(sonypi_compat.fifo)) {
2389                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2390                 return PTR_ERR(sonypi_compat.fifo);
2391         }
2392
2393         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2394
2395         if (minor != -1)
2396                 sonypi_misc_device.minor = minor;
2397         error = misc_register(&sonypi_misc_device);
2398         if (error) {
2399                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2400                 goto err_free_kfifo;
2401         }
2402         if (minor == -1)
2403                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2404                        sonypi_misc_device.minor);
2405
2406         return 0;
2407
2408 err_free_kfifo:
2409         kfifo_free(sonypi_compat.fifo);
2410         return error;
2411 }
2412
2413 static void sonypi_compat_exit(void)
2414 {
2415         misc_deregister(&sonypi_misc_device);
2416         kfifo_free(sonypi_compat.fifo);
2417 }
2418 #else
2419 static int sonypi_compat_init(void) { return 0; }
2420 static void sonypi_compat_exit(void) { }
2421 static void sonypi_compat_report_event(u8 event) { }
2422 #endif /* CONFIG_SONYPI_COMPAT */
2423
2424 /*
2425  * ACPI callbacks
2426  */
2427 static acpi_status
2428 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2429 {
2430         u32 i;
2431         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2432
2433         switch (resource->type) {
2434         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2435                 {
2436                         /* start IO enumeration */
2437                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2438                         if (!ioport)
2439                                 return AE_ERROR;
2440
2441                         list_add(&ioport->list, &dev->ioports);
2442                         return AE_OK;
2443                 }
2444
2445         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2446                 /* end IO enumeration */
2447                 return AE_OK;
2448
2449         case ACPI_RESOURCE_TYPE_IRQ:
2450                 {
2451                         struct acpi_resource_irq *p = &resource->data.irq;
2452                         struct sony_pic_irq *interrupt = NULL;
2453                         if (!p || !p->interrupt_count) {
2454                                 /*
2455                                  * IRQ descriptors may have no IRQ# bits set,
2456                                  * particularly those those w/ _STA disabled
2457                                  */
2458                                 dprintk("Blank IRQ resource\n");
2459                                 return AE_OK;
2460                         }
2461                         for (i = 0; i < p->interrupt_count; i++) {
2462                                 if (!p->interrupts[i]) {
2463                                         printk(KERN_WARNING DRV_PFX
2464                                                         "Invalid IRQ %d\n",
2465                                                         p->interrupts[i]);
2466                                         continue;
2467                                 }
2468                                 interrupt = kzalloc(sizeof(*interrupt),
2469                                                 GFP_KERNEL);
2470                                 if (!interrupt)
2471                                         return AE_ERROR;
2472
2473                                 list_add(&interrupt->list, &dev->interrupts);
2474                                 interrupt->irq.triggering = p->triggering;
2475                                 interrupt->irq.polarity = p->polarity;
2476                                 interrupt->irq.sharable = p->sharable;
2477                                 interrupt->irq.interrupt_count = 1;
2478                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2479                         }
2480                         return AE_OK;
2481                 }
2482         case ACPI_RESOURCE_TYPE_IO:
2483                 {
2484                         struct acpi_resource_io *io = &resource->data.io;
2485                         struct sony_pic_ioport *ioport =
2486                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2487                         if (!io) {
2488                                 dprintk("Blank IO resource\n");
2489                                 return AE_OK;
2490                         }
2491
2492                         if (!ioport->io1.minimum) {
2493                                 memcpy(&ioport->io1, io, sizeof(*io));
2494                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2495                                                 ioport->io1.address_length);
2496                         }
2497                         else if (!ioport->io2.minimum) {
2498                                 memcpy(&ioport->io2, io, sizeof(*io));
2499                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2500                                                 ioport->io2.address_length);
2501                         }
2502                         else {
2503                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2504                                 return AE_ERROR;
2505                         }
2506                         return AE_OK;
2507                 }
2508         default:
2509                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2510                                 resource->type);
2511
2512         case ACPI_RESOURCE_TYPE_END_TAG:
2513                 return AE_OK;
2514         }
2515         return AE_CTRL_TERMINATE;
2516 }
2517
2518 static int sony_pic_possible_resources(struct acpi_device *device)
2519 {
2520         int result = 0;
2521         acpi_status status = AE_OK;
2522
2523         if (!device)
2524                 return -EINVAL;
2525
2526         /* get device status */
2527         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2528         dprintk("Evaluating _STA\n");
2529         result = acpi_bus_get_status(device);
2530         if (result) {
2531                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2532                 goto end;
2533         }
2534
2535         if (!device->status.enabled)
2536                 dprintk("Device disabled\n");
2537         else
2538                 dprintk("Device enabled\n");
2539
2540         /*
2541          * Query and parse 'method'
2542          */
2543         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2544         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2545                         sony_pic_read_possible_resource, &spic_dev);
2546         if (ACPI_FAILURE(status)) {
2547                 printk(KERN_WARNING DRV_PFX
2548                                 "Failure evaluating %s\n",
2549                                 METHOD_NAME__PRS);
2550                 result = -ENODEV;
2551         }
2552 end:
2553         return result;
2554 }
2555
2556 /*
2557  *  Disable the spic device by calling its _DIS method
2558  */
2559 static int sony_pic_disable(struct acpi_device *device)
2560 {
2561         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2562                                                NULL);
2563
2564         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2565                 return -ENXIO;
2566
2567         dprintk("Device disabled\n");
2568         return 0;
2569 }
2570
2571
2572 /*
2573  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2574  *
2575  *  Call _SRS to set current resources
2576  */
2577 static int sony_pic_enable(struct acpi_device *device,
2578                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2579 {
2580         acpi_status status;
2581         int result = 0;
2582         /* Type 1 resource layout is:
2583          *    IO
2584          *    IO
2585          *    IRQNoFlags
2586          *    End
2587          *
2588          * Type 2 and 3 resource layout is:
2589          *    IO
2590          *    IRQNoFlags
2591          *    End
2592          */
2593         struct {
2594                 struct acpi_resource res1;
2595                 struct acpi_resource res2;
2596                 struct acpi_resource res3;
2597                 struct acpi_resource res4;
2598         } *resource;
2599         struct acpi_buffer buffer = { 0, NULL };
2600
2601         if (!ioport || !irq)
2602                 return -EINVAL;
2603
2604         /* init acpi_buffer */
2605         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2606         if (!resource)
2607                 return -ENOMEM;
2608
2609         buffer.length = sizeof(*resource) + 1;
2610         buffer.pointer = resource;
2611
2612         /* setup Type 1 resources */
2613         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2614
2615                 /* setup io resources */
2616                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2617                 resource->res1.length = sizeof(struct acpi_resource);
2618                 memcpy(&resource->res1.data.io, &ioport->io1,
2619                                 sizeof(struct acpi_resource_io));
2620
2621                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2622                 resource->res2.length = sizeof(struct acpi_resource);
2623                 memcpy(&resource->res2.data.io, &ioport->io2,
2624                                 sizeof(struct acpi_resource_io));
2625
2626                 /* setup irq resource */
2627                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2628                 resource->res3.length = sizeof(struct acpi_resource);
2629                 memcpy(&resource->res3.data.irq, &irq->irq,
2630                                 sizeof(struct acpi_resource_irq));
2631                 /* we requested a shared irq */
2632                 resource->res3.data.irq.sharable = ACPI_SHARED;
2633
2634                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2635
2636         }
2637         /* setup Type 2/3 resources */
2638         else {
2639                 /* setup io resource */
2640                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2641                 resource->res1.length = sizeof(struct acpi_resource);
2642                 memcpy(&resource->res1.data.io, &ioport->io1,
2643                                 sizeof(struct acpi_resource_io));
2644
2645                 /* setup irq resource */
2646                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2647                 resource->res2.length = sizeof(struct acpi_resource);
2648                 memcpy(&resource->res2.data.irq, &irq->irq,
2649                                 sizeof(struct acpi_resource_irq));
2650                 /* we requested a shared irq */
2651                 resource->res2.data.irq.sharable = ACPI_SHARED;
2652
2653                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2654         }
2655
2656         /* Attempt to set the resource */
2657         dprintk("Evaluating _SRS\n");
2658         status = acpi_set_current_resources(device->handle, &buffer);
2659
2660         /* check for total failure */
2661         if (ACPI_FAILURE(status)) {
2662                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2663                 result = -ENODEV;
2664                 goto end;
2665         }
2666
2667         /* Necessary device initializations calls (from sonypi) */
2668         sony_pic_call1(0x82);
2669         sony_pic_call2(0x81, 0xff);
2670         sony_pic_call1(compat ? 0x92 : 0x82);
2671
2672 end:
2673         kfree(resource);
2674         return result;
2675 }
2676
2677 /*****************
2678  *
2679  * ISR: some event is available
2680  *
2681  *****************/
2682 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2683 {
2684         int i, j;
2685         u8 ev = 0;
2686         u8 data_mask = 0;
2687         u8 device_event = 0;
2688
2689         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2690
2691         ev = inb_p(dev->cur_ioport->io1.minimum);
2692         if (dev->cur_ioport->io2.minimum)
2693                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2694         else
2695                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2696                                 dev->control->evport_offset);
2697
2698         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2699                         ev, data_mask, dev->cur_ioport->io1.minimum,
2700                         dev->control->evport_offset);
2701
2702         if (ev == 0x00 || ev == 0xff)
2703                 return IRQ_HANDLED;
2704
2705         for (i = 0; dev->control->event_types[i].mask; i++) {
2706
2707                 if ((data_mask & dev->control->event_types[i].data) !=
2708                     dev->control->event_types[i].data)
2709                         continue;
2710
2711                 if (!(mask & dev->control->event_types[i].mask))
2712                         continue;
2713
2714                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2715                         if (ev == dev->control->event_types[i].events[j].data) {
2716                                 device_event =
2717                                         dev->control->
2718                                                 event_types[i].events[j].event;
2719                                 goto found;
2720                         }
2721                 }
2722         }
2723         /* Still not able to decode the event try to pass
2724          * it over to the minidriver
2725          */
2726         if (dev->control->handle_irq &&
2727                         dev->control->handle_irq(data_mask, ev) == 0)
2728                 return IRQ_HANDLED;
2729
2730         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2731                         ev, data_mask, dev->cur_ioport->io1.minimum,
2732                         dev->control->evport_offset);
2733         return IRQ_HANDLED;
2734
2735 found:
2736         sony_laptop_report_input_event(device_event);
2737         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2738         sonypi_compat_report_event(device_event);
2739
2740         return IRQ_HANDLED;
2741 }
2742
2743 /*****************
2744  *
2745  *  ACPI driver
2746  *
2747  *****************/
2748 static int sony_pic_remove(struct acpi_device *device, int type)
2749 {
2750         struct sony_pic_ioport *io, *tmp_io;
2751         struct sony_pic_irq *irq, *tmp_irq;
2752
2753         if (sony_pic_disable(device)) {
2754                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2755                 return -ENXIO;
2756         }
2757
2758         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2759         release_region(spic_dev.cur_ioport->io1.minimum,
2760                         spic_dev.cur_ioport->io1.address_length);
2761         if (spic_dev.cur_ioport->io2.minimum)
2762                 release_region(spic_dev.cur_ioport->io2.minimum,
2763                                 spic_dev.cur_ioport->io2.address_length);
2764
2765         sonypi_compat_exit();
2766
2767         sony_laptop_remove_input();
2768
2769         /* pf attrs */
2770         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2771         sony_pf_remove();
2772
2773         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2774                 list_del(&io->list);
2775                 kfree(io);
2776         }
2777         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2778                 list_del(&irq->list);
2779                 kfree(irq);
2780         }
2781         spic_dev.cur_ioport = NULL;
2782         spic_dev.cur_irq = NULL;
2783
2784         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2785         return 0;
2786 }
2787
2788 static int sony_pic_add(struct acpi_device *device)
2789 {
2790         int result;
2791         struct sony_pic_ioport *io, *tmp_io;
2792         struct sony_pic_irq *irq, *tmp_irq;
2793
2794         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2795                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2796
2797         spic_dev.acpi_dev = device;
2798         strcpy(acpi_device_class(device), "sony/hotkey");
2799         sony_pic_detect_device_type(&spic_dev);
2800         mutex_init(&spic_dev.lock);
2801
2802         /* read _PRS resources */
2803         result = sony_pic_possible_resources(device);
2804         if (result) {
2805                 printk(KERN_ERR DRV_PFX
2806                                 "Unable to read possible resources.\n");
2807                 goto err_free_resources;
2808         }
2809
2810         /* setup input devices and helper fifo */
2811         result = sony_laptop_setup_input(device);
2812         if (result) {
2813                 printk(KERN_ERR DRV_PFX
2814                                 "Unable to create input devices.\n");
2815                 goto err_free_resources;
2816         }
2817
2818         if (sonypi_compat_init())
2819                 goto err_remove_input;
2820
2821         /* request io port */
2822         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2823                 if (request_region(io->io1.minimum, io->io1.address_length,
2824                                         "Sony Programable I/O Device")) {
2825                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2826                                         io->io1.minimum, io->io1.maximum,
2827                                         io->io1.address_length);
2828                         /* Type 1 have 2 ioports */
2829                         if (io->io2.minimum) {
2830                                 if (request_region(io->io2.minimum,
2831                                                 io->io2.address_length,
2832                                                 "Sony Programable I/O Device")) {
2833                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2834                                                         io->io2.minimum, io->io2.maximum,
2835                                                         io->io2.address_length);
2836                                         spic_dev.cur_ioport = io;
2837                                         break;
2838                                 }
2839                                 else {
2840                                         dprintk("Unable to get I/O port2: "
2841                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2842                                                         io->io2.minimum, io->io2.maximum,
2843                                                         io->io2.address_length);
2844                                         release_region(io->io1.minimum,
2845                                                         io->io1.address_length);
2846                                 }
2847                         }
2848                         else {
2849                                 spic_dev.cur_ioport = io;
2850                                 break;
2851                         }
2852                 }
2853         }
2854         if (!spic_dev.cur_ioport) {
2855                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2856                 result = -ENODEV;
2857                 goto err_remove_compat;
2858         }
2859
2860         /* request IRQ */
2861         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2862                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2863                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2864                         dprintk("IRQ: %d - triggering: %d - "
2865                                         "polarity: %d - shr: %d\n",
2866                                         irq->irq.interrupts[0],
2867                                         irq->irq.triggering,
2868                                         irq->irq.polarity,
2869                                         irq->irq.sharable);
2870                         spic_dev.cur_irq = irq;
2871                         break;
2872                 }
2873         }
2874         if (!spic_dev.cur_irq) {
2875                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2876                 result = -ENODEV;
2877                 goto err_release_region;
2878         }
2879
2880         /* set resource status _SRS */
2881         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2882         if (result) {
2883                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2884                 goto err_free_irq;
2885         }
2886
2887         spic_dev.bluetooth_power = -1;
2888         /* create device attributes */
2889         result = sony_pf_add();
2890         if (result)
2891                 goto err_disable_device;
2892
2893         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2894         if (result)
2895                 goto err_remove_pf;
2896
2897         return 0;
2898
2899 err_remove_pf:
2900         sony_pf_remove();
2901
2902 err_disable_device:
2903         sony_pic_disable(device);
2904
2905 err_free_irq:
2906         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2907
2908 err_release_region:
2909         release_region(spic_dev.cur_ioport->io1.minimum,
2910                         spic_dev.cur_ioport->io1.address_length);
2911         if (spic_dev.cur_ioport->io2.minimum)
2912                 release_region(spic_dev.cur_ioport->io2.minimum,
2913                                 spic_dev.cur_ioport->io2.address_length);
2914
2915 err_remove_compat:
2916         sonypi_compat_exit();
2917
2918 err_remove_input:
2919         sony_laptop_remove_input();
2920
2921 err_free_resources:
2922         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2923                 list_del(&io->list);
2924                 kfree(io);
2925         }
2926         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2927                 list_del(&irq->list);
2928                 kfree(irq);
2929         }
2930         spic_dev.cur_ioport = NULL;
2931         spic_dev.cur_irq = NULL;
2932
2933         return result;
2934 }
2935
2936 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2937 {
2938         if (sony_pic_disable(device))
2939                 return -ENXIO;
2940         return 0;
2941 }
2942
2943 static int sony_pic_resume(struct acpi_device *device)
2944 {
2945         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2946         return 0;
2947 }
2948
2949 static const struct acpi_device_id sony_pic_device_ids[] = {
2950         {SONY_PIC_HID, 0},
2951         {"", 0},
2952 };
2953
2954 static struct acpi_driver sony_pic_driver = {
2955         .name = SONY_PIC_DRIVER_NAME,
2956         .class = SONY_PIC_CLASS,
2957         .ids = sony_pic_device_ids,
2958         .owner = THIS_MODULE,
2959         .ops = {
2960                 .add = sony_pic_add,
2961                 .remove = sony_pic_remove,
2962                 .suspend = sony_pic_suspend,
2963                 .resume = sony_pic_resume,
2964                 },
2965 };
2966
2967 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2968         {
2969                 .ident = "Sony Vaio",
2970                 .matches = {
2971                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2972                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2973                 },
2974         },
2975         {
2976                 .ident = "Sony Vaio",
2977                 .matches = {
2978                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2979                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2980                 },
2981         },
2982         { }
2983 };
2984
2985 static int __init sony_laptop_init(void)
2986 {
2987         int result;
2988
2989         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2990                 result = acpi_bus_register_driver(&sony_pic_driver);
2991                 if (result) {
2992                         printk(KERN_ERR DRV_PFX
2993                                         "Unable to register SPIC driver.");
2994                         goto out;
2995                 }
2996         }
2997
2998         result = acpi_bus_register_driver(&sony_nc_driver);
2999         if (result) {
3000                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
3001                 goto out_unregister_pic;
3002         }
3003
3004         return 0;
3005
3006 out_unregister_pic:
3007         if (!no_spic)
3008                 acpi_bus_unregister_driver(&sony_pic_driver);
3009 out:
3010         return result;
3011 }
3012
3013 static void __exit sony_laptop_exit(void)
3014 {
3015         acpi_bus_unregister_driver(&sony_nc_driver);
3016         if (!no_spic)
3017                 acpi_bus_unregister_driver(&sony_pic_driver);
3018 }
3019
3020 module_init(sony_laptop_init);
3021 module_exit(sony_laptop_exit);