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->user_claim_unsupported = 1;
1102         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1103         err = rfkill_register(sony_wifi_rfkill);
1104         if (err)
1105                 rfkill_free(sony_wifi_rfkill);
1106         else {
1107                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1108                 sony_nc_rfkill_set(sony_wifi_rfkill->data,
1109                                 RFKILL_STATE_UNBLOCKED);
1110         }
1111         return err;
1112 }
1113
1114 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1115 {
1116         int err = 0;
1117         struct rfkill *sony_bluetooth_rfkill;
1118
1119         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1120                                                 RFKILL_TYPE_BLUETOOTH);
1121         if (!sony_bluetooth_rfkill)
1122                 return -1;
1123         sony_bluetooth_rfkill->name = "sony-bluetooth";
1124         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1125         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1126         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1127         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1128         err = rfkill_register(sony_bluetooth_rfkill);
1129         if (err)
1130                 rfkill_free(sony_bluetooth_rfkill);
1131         else {
1132                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1133                 sony_nc_rfkill_set(sony_bluetooth_rfkill->data,
1134                                 RFKILL_STATE_UNBLOCKED);
1135         }
1136         return err;
1137 }
1138
1139 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1140 {
1141         int err = 0;
1142         struct rfkill *sony_wwan_rfkill;
1143
1144         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1145         if (!sony_wwan_rfkill)
1146                 return -1;
1147         sony_wwan_rfkill->name = "sony-wwan";
1148         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1149         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1150         sony_wwan_rfkill->user_claim_unsupported = 1;
1151         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1152         err = rfkill_register(sony_wwan_rfkill);
1153         if (err)
1154                 rfkill_free(sony_wwan_rfkill);
1155         else {
1156                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1157                 sony_nc_rfkill_set(sony_wwan_rfkill->data,
1158                                 RFKILL_STATE_UNBLOCKED);
1159         }
1160         return err;
1161 }
1162
1163 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1164 {
1165         int err = 0;
1166         struct rfkill *sony_wimax_rfkill;
1167
1168         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1169         if (!sony_wimax_rfkill)
1170                 return -1;
1171         sony_wimax_rfkill->name = "sony-wimax";
1172         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1173         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1174         sony_wimax_rfkill->user_claim_unsupported = 1;
1175         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1176         err = rfkill_register(sony_wimax_rfkill);
1177         if (err)
1178                 rfkill_free(sony_wimax_rfkill);
1179         else {
1180                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1181                 sony_nc_rfkill_set(sony_wimax_rfkill->data,
1182                                 RFKILL_STATE_UNBLOCKED);
1183         }
1184         return err;
1185 }
1186
1187 static void sony_nc_rfkill_update()
1188 {
1189         int i;
1190         enum rfkill_state state;
1191
1192         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1193                 if (sony_rfkill_devices[i]) {
1194                         sony_rfkill_devices[i]->
1195                                 get_state(sony_rfkill_devices[i]->data,
1196                                           &state);
1197                         rfkill_force_state(sony_rfkill_devices[i], state);
1198                 }
1199         }
1200 }
1201
1202 static int sony_nc_rfkill_setup(struct acpi_device *device)
1203 {
1204         int result, ret;
1205
1206         if (sony_find_snc_handle(0x124) == -1)
1207                 return -1;
1208
1209         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1210         if (ret) {
1211                 printk(KERN_INFO DRV_PFX
1212                        "Unable to enumerate rfkill devices: %x\n", ret);
1213                 return ret;
1214         }
1215
1216         if (result & 0x1)
1217                 sony_nc_setup_wifi_rfkill(device);
1218         if (result & 0x2)
1219                 sony_nc_setup_bluetooth_rfkill(device);
1220         if (result & 0x1c)
1221                 sony_nc_setup_wwan_rfkill(device);
1222         if (result & 0x20)
1223                 sony_nc_setup_wimax_rfkill(device);
1224
1225         return 0;
1226 }
1227
1228 static int sony_nc_add(struct acpi_device *device)
1229 {
1230         acpi_status status;
1231         int result = 0;
1232         acpi_handle handle;
1233         struct sony_nc_value *item;
1234
1235         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1236                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1237
1238         sony_nc_acpi_device = device;
1239         strcpy(acpi_device_class(device), "sony/hotkey");
1240
1241         sony_nc_acpi_handle = device->handle;
1242
1243         /* read device status */
1244         result = acpi_bus_get_status(device);
1245         /* bail IFF the above call was successful and the device is not present */
1246         if (!result && !device->status.present) {
1247                 dprintk("Device not present\n");
1248                 result = -ENODEV;
1249                 goto outwalk;
1250         }
1251
1252         if (debug) {
1253                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1254                                              1, sony_walk_callback, NULL, NULL);
1255                 if (ACPI_FAILURE(status)) {
1256                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1257                         result = -ENODEV;
1258                         goto outwalk;
1259                 }
1260         }
1261
1262         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1263          * should be respected as we already checked for the device presence above */
1264         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1265                 dprintk("Invoking _INI\n");
1266                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1267                                                 NULL, NULL)))
1268                         dprintk("_INI Method failed\n");
1269         }
1270
1271         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1272                                          &handle))) {
1273                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1274                         dprintk("ECON Method failed\n");
1275         }
1276
1277         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1278                                          &handle))) {
1279                 dprintk("Doing SNC setup\n");
1280                 sony_nc_function_setup(device);
1281                 sony_nc_rfkill_setup(device);
1282         }
1283
1284         /* setup input devices and helper fifo */
1285         result = sony_laptop_setup_input(device);
1286         if (result) {
1287                 printk(KERN_ERR DRV_PFX
1288                                 "Unable to create input devices.\n");
1289                 goto outwalk;
1290         }
1291
1292         if (acpi_video_backlight_support()) {
1293                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1294                        "controlled by ACPI video driver\n");
1295         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1296                                                 &handle))) {
1297                 sony_backlight_device = backlight_device_register("sony", NULL,
1298                                                                   NULL,
1299                                                                   &sony_backlight_ops);
1300
1301                 if (IS_ERR(sony_backlight_device)) {
1302                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1303                         sony_backlight_device = NULL;
1304                 } else {
1305                         sony_backlight_device->props.brightness =
1306                             sony_backlight_get_brightness
1307                             (sony_backlight_device);
1308                         sony_backlight_device->props.max_brightness =
1309                             SONY_MAX_BRIGHTNESS - 1;
1310                 }
1311
1312         }
1313
1314         result = sony_pf_add();
1315         if (result)
1316                 goto outbacklight;
1317
1318         /* create sony_pf sysfs attributes related to the SNC device */
1319         for (item = sony_nc_values; item->name; ++item) {
1320
1321                 if (!debug && item->debug)
1322                         continue;
1323
1324                 /* find the available acpiget as described in the DSDT */
1325                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1326                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1327                                                          *item->acpiget,
1328                                                          &handle))) {
1329                                 dprintk("Found %s getter: %s\n",
1330                                                 item->name, *item->acpiget);
1331                                 item->devattr.attr.mode |= S_IRUGO;
1332                                 break;
1333                         }
1334                 }
1335
1336                 /* find the available acpiset as described in the DSDT */
1337                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1338                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1339                                                          *item->acpiset,
1340                                                          &handle))) {
1341                                 dprintk("Found %s setter: %s\n",
1342                                                 item->name, *item->acpiset);
1343                                 item->devattr.attr.mode |= S_IWUSR;
1344                                 break;
1345                         }
1346                 }
1347
1348                 if (item->devattr.attr.mode != 0) {
1349                         result =
1350                             device_create_file(&sony_pf_device->dev,
1351                                                &item->devattr);
1352                         if (result)
1353                                 goto out_sysfs;
1354                 }
1355         }
1356
1357         return 0;
1358
1359       out_sysfs:
1360         for (item = sony_nc_values; item->name; ++item) {
1361                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1362         }
1363         sony_pf_remove();
1364
1365       outbacklight:
1366         if (sony_backlight_device)
1367                 backlight_device_unregister(sony_backlight_device);
1368
1369         sony_laptop_remove_input();
1370
1371       outwalk:
1372         sony_nc_rfkill_cleanup();
1373         return result;
1374 }
1375
1376 static int sony_nc_remove(struct acpi_device *device, int type)
1377 {
1378         struct sony_nc_value *item;
1379
1380         if (sony_backlight_device)
1381                 backlight_device_unregister(sony_backlight_device);
1382
1383         sony_nc_acpi_device = NULL;
1384
1385         for (item = sony_nc_values; item->name; ++item) {
1386                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1387         }
1388
1389         sony_pf_remove();
1390         sony_laptop_remove_input();
1391         sony_nc_rfkill_cleanup();
1392         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1393
1394         return 0;
1395 }
1396
1397 static const struct acpi_device_id sony_device_ids[] = {
1398         {SONY_NC_HID, 0},
1399         {SONY_PIC_HID, 0},
1400         {"", 0},
1401 };
1402 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1403
1404 static const struct acpi_device_id sony_nc_device_ids[] = {
1405         {SONY_NC_HID, 0},
1406         {"", 0},
1407 };
1408
1409 static struct acpi_driver sony_nc_driver = {
1410         .name = SONY_NC_DRIVER_NAME,
1411         .class = SONY_NC_CLASS,
1412         .ids = sony_nc_device_ids,
1413         .owner = THIS_MODULE,
1414         .ops = {
1415                 .add = sony_nc_add,
1416                 .remove = sony_nc_remove,
1417                 .resume = sony_nc_resume,
1418                 .notify = sony_nc_notify,
1419                 },
1420 };
1421
1422 /*********** SPIC (SNY6001) Device ***********/
1423
1424 #define SONYPI_DEVICE_TYPE1     0x00000001
1425 #define SONYPI_DEVICE_TYPE2     0x00000002
1426 #define SONYPI_DEVICE_TYPE3     0x00000004
1427 #define SONYPI_DEVICE_TYPE4     0x00000008
1428
1429 #define SONYPI_TYPE1_OFFSET     0x04
1430 #define SONYPI_TYPE2_OFFSET     0x12
1431 #define SONYPI_TYPE3_OFFSET     0x12
1432
1433 struct sony_pic_ioport {
1434         struct acpi_resource_io io1;
1435         struct acpi_resource_io io2;
1436         struct list_head        list;
1437 };
1438
1439 struct sony_pic_irq {
1440         struct acpi_resource_irq        irq;
1441         struct list_head                list;
1442 };
1443
1444 struct sonypi_eventtypes {
1445         u8                      data;
1446         unsigned long           mask;
1447         struct sonypi_event     *events;
1448 };
1449
1450 struct device_ctrl {
1451         int                             model;
1452         int                             (*handle_irq)(const u8, const u8);
1453         u16                             evport_offset;
1454         u8                              has_camera;
1455         u8                              has_bluetooth;
1456         u8                              has_wwan;
1457         struct sonypi_eventtypes        *event_types;
1458 };
1459
1460 struct sony_pic_dev {
1461         struct device_ctrl      *control;
1462         struct acpi_device      *acpi_dev;
1463         struct sony_pic_irq     *cur_irq;
1464         struct sony_pic_ioport  *cur_ioport;
1465         struct list_head        interrupts;
1466         struct list_head        ioports;
1467         struct mutex            lock;
1468         u8                      camera_power;
1469         u8                      bluetooth_power;
1470         u8                      wwan_power;
1471 };
1472
1473 static struct sony_pic_dev spic_dev = {
1474         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1475         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1476 };
1477
1478 /* Event masks */
1479 #define SONYPI_JOGGER_MASK                      0x00000001
1480 #define SONYPI_CAPTURE_MASK                     0x00000002
1481 #define SONYPI_FNKEY_MASK                       0x00000004
1482 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1483 #define SONYPI_PKEY_MASK                        0x00000010
1484 #define SONYPI_BACK_MASK                        0x00000020
1485 #define SONYPI_HELP_MASK                        0x00000040
1486 #define SONYPI_LID_MASK                         0x00000080
1487 #define SONYPI_ZOOM_MASK                        0x00000100
1488 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1489 #define SONYPI_MEYE_MASK                        0x00000400
1490 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1491 #define SONYPI_BATTERY_MASK                     0x00001000
1492 #define SONYPI_WIRELESS_MASK                    0x00002000
1493
1494 struct sonypi_event {
1495         u8      data;
1496         u8      event;
1497 };
1498
1499 /* The set of possible button release events */
1500 static struct sonypi_event sonypi_releaseev[] = {
1501         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1502         { 0, 0 }
1503 };
1504
1505 /* The set of possible jogger events  */
1506 static struct sonypi_event sonypi_joggerev[] = {
1507         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1508         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1509         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1510         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1511         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1512         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1513         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1514         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1515         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1516         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1517         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1518         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1519         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1520         { 0, 0 }
1521 };
1522
1523 /* The set of possible capture button events */
1524 static struct sonypi_event sonypi_captureev[] = {
1525         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1526         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1527         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1528         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1529         { 0, 0 }
1530 };
1531
1532 /* The set of possible fnkeys events */
1533 static struct sonypi_event sonypi_fnkeyev[] = {
1534         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1535         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1536         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1537         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1538         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1539         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1540         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1541         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1542         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1543         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1544         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1545         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1546         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1547         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1548         { 0x21, SONYPI_EVENT_FNKEY_1 },
1549         { 0x22, SONYPI_EVENT_FNKEY_2 },
1550         { 0x31, SONYPI_EVENT_FNKEY_D },
1551         { 0x32, SONYPI_EVENT_FNKEY_E },
1552         { 0x33, SONYPI_EVENT_FNKEY_F },
1553         { 0x34, SONYPI_EVENT_FNKEY_S },
1554         { 0x35, SONYPI_EVENT_FNKEY_B },
1555         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1556         { 0, 0 }
1557 };
1558
1559 /* The set of possible program key events */
1560 static struct sonypi_event sonypi_pkeyev[] = {
1561         { 0x01, SONYPI_EVENT_PKEY_P1 },
1562         { 0x02, SONYPI_EVENT_PKEY_P2 },
1563         { 0x04, SONYPI_EVENT_PKEY_P3 },
1564         { 0x20, SONYPI_EVENT_PKEY_P1 },
1565         { 0, 0 }
1566 };
1567
1568 /* The set of possible bluetooth events */
1569 static struct sonypi_event sonypi_blueev[] = {
1570         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1571         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1572         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1573         { 0, 0 }
1574 };
1575
1576 /* The set of possible wireless events */
1577 static struct sonypi_event sonypi_wlessev[] = {
1578         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1579         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1580         { 0, 0 }
1581 };
1582
1583 /* The set of possible back button events */
1584 static struct sonypi_event sonypi_backev[] = {
1585         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1586         { 0, 0 }
1587 };
1588
1589 /* The set of possible help button events */
1590 static struct sonypi_event sonypi_helpev[] = {
1591         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1592         { 0, 0 }
1593 };
1594
1595
1596 /* The set of possible lid events */
1597 static struct sonypi_event sonypi_lidev[] = {
1598         { 0x51, SONYPI_EVENT_LID_CLOSED },
1599         { 0x50, SONYPI_EVENT_LID_OPENED },
1600         { 0, 0 }
1601 };
1602
1603 /* The set of possible zoom events */
1604 static struct sonypi_event sonypi_zoomev[] = {
1605         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1606         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1607         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1608         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1609         { 0, 0 }
1610 };
1611
1612 /* The set of possible thumbphrase events */
1613 static struct sonypi_event sonypi_thumbphraseev[] = {
1614         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1615         { 0, 0 }
1616 };
1617
1618 /* The set of possible motioneye camera events */
1619 static struct sonypi_event sonypi_meyeev[] = {
1620         { 0x00, SONYPI_EVENT_MEYE_FACE },
1621         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1622         { 0, 0 }
1623 };
1624
1625 /* The set of possible memorystick events */
1626 static struct sonypi_event sonypi_memorystickev[] = {
1627         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1628         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1629         { 0, 0 }
1630 };
1631
1632 /* The set of possible battery events */
1633 static struct sonypi_event sonypi_batteryev[] = {
1634         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1635         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1636         { 0, 0 }
1637 };
1638
1639 /* The set of possible volume events */
1640 static struct sonypi_event sonypi_volumeev[] = {
1641         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1642         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1643         { 0, 0 }
1644 };
1645
1646 /* The set of possible brightness events */
1647 static struct sonypi_event sonypi_brightnessev[] = {
1648         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1649         { 0, 0 }
1650 };
1651
1652 static struct sonypi_eventtypes type1_events[] = {
1653         { 0, 0xffffffff, sonypi_releaseev },
1654         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1655         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1656         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1657         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1658         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1659         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1660         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1661         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1662         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1663         { 0 },
1664 };
1665 static struct sonypi_eventtypes type2_events[] = {
1666         { 0, 0xffffffff, sonypi_releaseev },
1667         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1668         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1669         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1670         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1671         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1672         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1673         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1674         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1675         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1676         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1677         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1678         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1679         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1680         { 0 },
1681 };
1682 static struct sonypi_eventtypes type3_events[] = {
1683         { 0, 0xffffffff, sonypi_releaseev },
1684         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1685         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1686         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1687         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1688         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1689         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1690         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1691         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1692         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1693         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1694         { 0 },
1695 };
1696
1697 /* low level spic calls */
1698 #define ITERATIONS_LONG         10000
1699 #define ITERATIONS_SHORT        10
1700 #define wait_on_command(command, iterations) {                          \
1701         unsigned int n = iterations;                                    \
1702         while (--n && (command))                                        \
1703                 udelay(1);                                              \
1704         if (!n)                                                         \
1705                 dprintk("command failed at %s : %s (line %d)\n",        \
1706                                 __FILE__, __func__, __LINE__);  \
1707 }
1708
1709 static u8 sony_pic_call1(u8 dev)
1710 {
1711         u8 v1, v2;
1712
1713         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1714                         ITERATIONS_LONG);
1715         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1716         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1717         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1718         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1719         return v2;
1720 }
1721
1722 static u8 sony_pic_call2(u8 dev, u8 fn)
1723 {
1724         u8 v1;
1725
1726         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1727                         ITERATIONS_LONG);
1728         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1729         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1730                         ITERATIONS_LONG);
1731         outb(fn, spic_dev.cur_ioport->io1.minimum);
1732         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1733         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1734         return v1;
1735 }
1736
1737 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1738 {
1739         u8 v1;
1740
1741         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1742         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1743         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1744         outb(fn, spic_dev.cur_ioport->io1.minimum);
1745         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1746         outb(v, spic_dev.cur_ioport->io1.minimum);
1747         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1748         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1749                         dev, fn, v, v1);
1750         return v1;
1751 }
1752
1753 /*
1754  * minidrivers for SPIC models
1755  */
1756 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1757 {
1758         /*
1759          * 0x31 could mean we have to take some extra action and wait for
1760          * the next irq for some Type3 models, it will generate a new
1761          * irq and we can read new data from the device:
1762          *  - 0x5c and 0x5f requires 0xA0
1763          *  - 0x61 requires 0xB3
1764          */
1765         if (data_mask == 0x31) {
1766                 if (ev == 0x5c || ev == 0x5f)
1767                         sony_pic_call1(0xA0);
1768                 else if (ev == 0x61)
1769                         sony_pic_call1(0xB3);
1770                 return 0;
1771         }
1772         return 1;
1773 }
1774
1775 static struct device_ctrl spic_types[] = {
1776         {
1777                 .model = SONYPI_DEVICE_TYPE1,
1778                 .handle_irq = NULL,
1779                 .evport_offset = SONYPI_TYPE1_OFFSET,
1780                 .event_types = type1_events,
1781         },
1782         {
1783                 .model = SONYPI_DEVICE_TYPE2,
1784                 .handle_irq = NULL,
1785                 .evport_offset = SONYPI_TYPE2_OFFSET,
1786                 .event_types = type2_events,
1787         },
1788         {
1789                 .model = SONYPI_DEVICE_TYPE3,
1790                 .handle_irq = type3_handle_irq,
1791                 .evport_offset = SONYPI_TYPE3_OFFSET,
1792                 .event_types = type3_events,
1793         },
1794 };
1795
1796 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1797 {
1798         struct pci_dev *pcidev;
1799
1800         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1801                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1802         if (pcidev) {
1803                 dev->control = &spic_types[0];
1804                 goto out;
1805         }
1806
1807         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1808                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1809         if (pcidev) {
1810                 dev->control = &spic_types[2];
1811                 goto out;
1812         }
1813
1814         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1815                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1816         if (pcidev) {
1817                 dev->control = &spic_types[2];
1818                 goto out;
1819         }
1820
1821         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1822                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1823         if (pcidev) {
1824                 dev->control = &spic_types[2];
1825                 goto out;
1826         }
1827
1828         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1829                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1830         if (pcidev) {
1831                 dev->control = &spic_types[2];
1832                 goto out;
1833         }
1834
1835         /* default */
1836         dev->control = &spic_types[1];
1837
1838 out:
1839         if (pcidev)
1840                 pci_dev_put(pcidev);
1841
1842         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1843                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1844                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1845 }
1846
1847 /* camera tests and poweron/poweroff */
1848 #define SONYPI_CAMERA_PICTURE           5
1849 #define SONYPI_CAMERA_CONTROL           0x10
1850
1851 #define SONYPI_CAMERA_BRIGHTNESS                0
1852 #define SONYPI_CAMERA_CONTRAST                  1
1853 #define SONYPI_CAMERA_HUE                       2
1854 #define SONYPI_CAMERA_COLOR                     3
1855 #define SONYPI_CAMERA_SHARPNESS                 4
1856
1857 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1858 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1859 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1860 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1861
1862 /* the rest don't need a loop until not 0xff */
1863 #define SONYPI_CAMERA_AGC                       6
1864 #define SONYPI_CAMERA_AGC_MASK                  0x30
1865 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1866
1867 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1868 #define SONYPI_CAMERA_CONTROL                   0x10
1869
1870 #define SONYPI_CAMERA_STATUS                    7
1871 #define SONYPI_CAMERA_STATUS_READY              0x2
1872 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1873
1874 #define SONYPI_DIRECTION_BACKWARDS              0x4
1875
1876 #define SONYPI_CAMERA_REVISION                  8
1877 #define SONYPI_CAMERA_ROMVERSION                9
1878
1879 static int __sony_pic_camera_ready(void)
1880 {
1881         u8 v;
1882
1883         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1884         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1885 }
1886
1887 static int __sony_pic_camera_off(void)
1888 {
1889         if (!camera) {
1890                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1891                 return -ENODEV;
1892         }
1893
1894         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1895                                 SONYPI_CAMERA_MUTE_MASK),
1896                         ITERATIONS_SHORT);
1897
1898         if (spic_dev.camera_power) {
1899                 sony_pic_call2(0x91, 0);
1900                 spic_dev.camera_power = 0;
1901         }
1902         return 0;
1903 }
1904
1905 static int __sony_pic_camera_on(void)
1906 {
1907         int i, j, x;
1908
1909         if (!camera) {
1910                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1911                 return -ENODEV;
1912         }
1913
1914         if (spic_dev.camera_power)
1915                 return 0;
1916
1917         for (j = 5; j > 0; j--) {
1918
1919                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1920                         msleep(10);
1921                 sony_pic_call1(0x93);
1922
1923                 for (i = 400; i > 0; i--) {
1924                         if (__sony_pic_camera_ready())
1925                                 break;
1926                         msleep(10);
1927                 }
1928                 if (i)
1929                         break;
1930         }
1931
1932         if (j == 0) {
1933                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1934                 return -ENODEV;
1935         }
1936
1937         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1938                                 0x5a),
1939                         ITERATIONS_SHORT);
1940
1941         spic_dev.camera_power = 1;
1942         return 0;
1943 }
1944
1945 /* External camera command (exported to the motion eye v4l driver) */
1946 int sony_pic_camera_command(int command, u8 value)
1947 {
1948         if (!camera)
1949                 return -EIO;
1950
1951         mutex_lock(&spic_dev.lock);
1952
1953         switch (command) {
1954         case SONY_PIC_COMMAND_SETCAMERA:
1955                 if (value)
1956                         __sony_pic_camera_on();
1957                 else
1958                         __sony_pic_camera_off();
1959                 break;
1960         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1961                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1962                                 ITERATIONS_SHORT);
1963                 break;
1964         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1965                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1966                                 ITERATIONS_SHORT);
1967                 break;
1968         case SONY_PIC_COMMAND_SETCAMERAHUE:
1969                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1970                                 ITERATIONS_SHORT);
1971                 break;
1972         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1973                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1974                                 ITERATIONS_SHORT);
1975                 break;
1976         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1977                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1978                                 ITERATIONS_SHORT);
1979                 break;
1980         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1981                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1982                                 ITERATIONS_SHORT);
1983                 break;
1984         case SONY_PIC_COMMAND_SETCAMERAAGC:
1985                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1986                                 ITERATIONS_SHORT);
1987                 break;
1988         default:
1989                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1990                        command);
1991                 break;
1992         }
1993         mutex_unlock(&spic_dev.lock);
1994         return 0;
1995 }
1996 EXPORT_SYMBOL(sony_pic_camera_command);
1997
1998 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1999 static void __sony_pic_set_wwanpower(u8 state)
2000 {
2001         state = !!state;
2002         if (spic_dev.wwan_power == state)
2003                 return;
2004         sony_pic_call2(0xB0, state);
2005         sony_pic_call1(0x82);
2006         spic_dev.wwan_power = state;
2007 }
2008
2009 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2010                 struct device_attribute *attr,
2011                 const char *buffer, size_t count)
2012 {
2013         unsigned long value;
2014         if (count > 31)
2015                 return -EINVAL;
2016
2017         value = simple_strtoul(buffer, NULL, 10);
2018         mutex_lock(&spic_dev.lock);
2019         __sony_pic_set_wwanpower(value);
2020         mutex_unlock(&spic_dev.lock);
2021
2022         return count;
2023 }
2024
2025 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2026                 struct device_attribute *attr, char *buffer)
2027 {
2028         ssize_t count;
2029         mutex_lock(&spic_dev.lock);
2030         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2031         mutex_unlock(&spic_dev.lock);
2032         return count;
2033 }
2034
2035 /* bluetooth subsystem power state */
2036 static void __sony_pic_set_bluetoothpower(u8 state)
2037 {
2038         state = !!state;
2039         if (spic_dev.bluetooth_power == state)
2040                 return;
2041         sony_pic_call2(0x96, state);
2042         sony_pic_call1(0x82);
2043         spic_dev.bluetooth_power = state;
2044 }
2045
2046 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2047                 struct device_attribute *attr,
2048                 const char *buffer, size_t count)
2049 {
2050         unsigned long value;
2051         if (count > 31)
2052                 return -EINVAL;
2053
2054         value = simple_strtoul(buffer, NULL, 10);
2055         mutex_lock(&spic_dev.lock);
2056         __sony_pic_set_bluetoothpower(value);
2057         mutex_unlock(&spic_dev.lock);
2058
2059         return count;
2060 }
2061
2062 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2063                 struct device_attribute *attr, char *buffer)
2064 {
2065         ssize_t count = 0;
2066         mutex_lock(&spic_dev.lock);
2067         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2068         mutex_unlock(&spic_dev.lock);
2069         return count;
2070 }
2071
2072 /* fan speed */
2073 /* FAN0 information (reverse engineered from ACPI tables) */
2074 #define SONY_PIC_FAN0_STATUS    0x93
2075 static int sony_pic_set_fanspeed(unsigned long value)
2076 {
2077         return ec_write(SONY_PIC_FAN0_STATUS, value);
2078 }
2079
2080 static int sony_pic_get_fanspeed(u8 *value)
2081 {
2082         return ec_read(SONY_PIC_FAN0_STATUS, value);
2083 }
2084
2085 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2086                 struct device_attribute *attr,
2087                 const char *buffer, size_t count)
2088 {
2089         unsigned long value;
2090         if (count > 31)
2091                 return -EINVAL;
2092
2093         value = simple_strtoul(buffer, NULL, 10);
2094         if (sony_pic_set_fanspeed(value))
2095                 return -EIO;
2096
2097         return count;
2098 }
2099
2100 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2101                 struct device_attribute *attr, char *buffer)
2102 {
2103         u8 value = 0;
2104         if (sony_pic_get_fanspeed(&value))
2105                 return -EIO;
2106
2107         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2108 }
2109
2110 #define SPIC_ATTR(_name, _mode)                                 \
2111 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2112                 _mode, sony_pic_## _name ##_show,               \
2113                 sony_pic_## _name ##_store)
2114
2115 static SPIC_ATTR(bluetoothpower, 0644);
2116 static SPIC_ATTR(wwanpower, 0644);
2117 static SPIC_ATTR(fanspeed, 0644);
2118
2119 static struct attribute *spic_attributes[] = {
2120         &spic_attr_bluetoothpower.attr,
2121         &spic_attr_wwanpower.attr,
2122         &spic_attr_fanspeed.attr,
2123         NULL
2124 };
2125
2126 static struct attribute_group spic_attribute_group = {
2127         .attrs = spic_attributes
2128 };
2129
2130 /******** SONYPI compatibility **********/
2131 #ifdef CONFIG_SONYPI_COMPAT
2132
2133 /* battery / brightness / temperature  addresses */
2134 #define SONYPI_BAT_FLAGS        0x81
2135 #define SONYPI_LCD_LIGHT        0x96
2136 #define SONYPI_BAT1_PCTRM       0xa0
2137 #define SONYPI_BAT1_LEFT        0xa2
2138 #define SONYPI_BAT1_MAXRT       0xa4
2139 #define SONYPI_BAT2_PCTRM       0xa8
2140 #define SONYPI_BAT2_LEFT        0xaa
2141 #define SONYPI_BAT2_MAXRT       0xac
2142 #define SONYPI_BAT1_MAXTK       0xb0
2143 #define SONYPI_BAT1_FULL        0xb2
2144 #define SONYPI_BAT2_MAXTK       0xb8
2145 #define SONYPI_BAT2_FULL        0xba
2146 #define SONYPI_TEMP_STATUS      0xC1
2147
2148 struct sonypi_compat_s {
2149         struct fasync_struct    *fifo_async;
2150         struct kfifo            *fifo;
2151         spinlock_t              fifo_lock;
2152         wait_queue_head_t       fifo_proc_list;
2153         atomic_t                open_count;
2154 };
2155 static struct sonypi_compat_s sonypi_compat = {
2156         .open_count = ATOMIC_INIT(0),
2157 };
2158
2159 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2160 {
2161         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2162 }
2163
2164 static int sonypi_misc_release(struct inode *inode, struct file *file)
2165 {
2166         atomic_dec(&sonypi_compat.open_count);
2167         return 0;
2168 }
2169
2170 static int sonypi_misc_open(struct inode *inode, struct file *file)
2171 {
2172         /* Flush input queue on first open */
2173         unsigned long flags;
2174
2175         spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2176
2177         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2178                 __kfifo_reset(sonypi_compat.fifo);
2179
2180         spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2181
2182         return 0;
2183 }
2184
2185 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2186                                 size_t count, loff_t *pos)
2187 {
2188         ssize_t ret;
2189         unsigned char c;
2190
2191         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2192             (file->f_flags & O_NONBLOCK))
2193                 return -EAGAIN;
2194
2195         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2196                                        kfifo_len(sonypi_compat.fifo) != 0);
2197         if (ret)
2198                 return ret;
2199
2200         while (ret < count &&
2201                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2202                 if (put_user(c, buf++))
2203                         return -EFAULT;
2204                 ret++;
2205         }
2206
2207         if (ret > 0) {
2208                 struct inode *inode = file->f_path.dentry->d_inode;
2209                 inode->i_atime = current_fs_time(inode->i_sb);
2210         }
2211
2212         return ret;
2213 }
2214
2215 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2216 {
2217         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2218         if (kfifo_len(sonypi_compat.fifo))
2219                 return POLLIN | POLLRDNORM;
2220         return 0;
2221 }
2222
2223 static int ec_read16(u8 addr, u16 *value)
2224 {
2225         u8 val_lb, val_hb;
2226         if (ec_read(addr, &val_lb))
2227                 return -1;
2228         if (ec_read(addr + 1, &val_hb))
2229                 return -1;
2230         *value = val_lb | (val_hb << 8);
2231         return 0;
2232 }
2233
2234 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2235                                                         unsigned long arg)
2236 {
2237         int ret = 0;
2238         void __user *argp = (void __user *)arg;
2239         u8 val8;
2240         u16 val16;
2241         int value;
2242
2243         mutex_lock(&spic_dev.lock);
2244         switch (cmd) {
2245         case SONYPI_IOCGBRT:
2246                 if (sony_backlight_device == NULL) {
2247                         ret = -EIO;
2248                         break;
2249                 }
2250                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2251                         ret = -EIO;
2252                         break;
2253                 }
2254                 val8 = ((value & 0xff) - 1) << 5;
2255                 if (copy_to_user(argp, &val8, sizeof(val8)))
2256                                 ret = -EFAULT;
2257                 break;
2258         case SONYPI_IOCSBRT:
2259                 if (sony_backlight_device == NULL) {
2260                         ret = -EIO;
2261                         break;
2262                 }
2263                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2264                         ret = -EFAULT;
2265                         break;
2266                 }
2267                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2268                                 (val8 >> 5) + 1, NULL)) {
2269                         ret = -EIO;
2270                         break;
2271                 }
2272                 /* sync the backlight device status */
2273                 sony_backlight_device->props.brightness =
2274                     sony_backlight_get_brightness(sony_backlight_device);
2275                 break;
2276         case SONYPI_IOCGBAT1CAP:
2277                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2278                         ret = -EIO;
2279                         break;
2280                 }
2281                 if (copy_to_user(argp, &val16, sizeof(val16)))
2282                         ret = -EFAULT;
2283                 break;
2284         case SONYPI_IOCGBAT1REM:
2285                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2286                         ret = -EIO;
2287                         break;
2288                 }
2289                 if (copy_to_user(argp, &val16, sizeof(val16)))
2290                         ret = -EFAULT;
2291                 break;
2292         case SONYPI_IOCGBAT2CAP:
2293                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2294                         ret = -EIO;
2295                         break;
2296                 }
2297                 if (copy_to_user(argp, &val16, sizeof(val16)))
2298                         ret = -EFAULT;
2299                 break;
2300         case SONYPI_IOCGBAT2REM:
2301                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2302                         ret = -EIO;
2303                         break;
2304                 }
2305                 if (copy_to_user(argp, &val16, sizeof(val16)))
2306                         ret = -EFAULT;
2307                 break;
2308         case SONYPI_IOCGBATFLAGS:
2309                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2310                         ret = -EIO;
2311                         break;
2312                 }
2313                 val8 &= 0x07;
2314                 if (copy_to_user(argp, &val8, sizeof(val8)))
2315                         ret = -EFAULT;
2316                 break;
2317         case SONYPI_IOCGBLUE:
2318                 val8 = spic_dev.bluetooth_power;
2319                 if (copy_to_user(argp, &val8, sizeof(val8)))
2320                         ret = -EFAULT;
2321                 break;
2322         case SONYPI_IOCSBLUE:
2323                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2324                         ret = -EFAULT;
2325                         break;
2326                 }
2327                 __sony_pic_set_bluetoothpower(val8);
2328                 break;
2329         /* FAN Controls */
2330         case SONYPI_IOCGFAN:
2331                 if (sony_pic_get_fanspeed(&val8)) {
2332                         ret = -EIO;
2333                         break;
2334                 }
2335                 if (copy_to_user(argp, &val8, sizeof(val8)))
2336                         ret = -EFAULT;
2337                 break;
2338         case SONYPI_IOCSFAN:
2339                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2340                         ret = -EFAULT;
2341                         break;
2342                 }
2343                 if (sony_pic_set_fanspeed(val8))
2344                         ret = -EIO;
2345                 break;
2346         /* GET Temperature (useful under APM) */
2347         case SONYPI_IOCGTEMP:
2348                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2349                         ret = -EIO;
2350                         break;
2351                 }
2352                 if (copy_to_user(argp, &val8, sizeof(val8)))
2353                         ret = -EFAULT;
2354                 break;
2355         default:
2356                 ret = -EINVAL;
2357         }
2358         mutex_unlock(&spic_dev.lock);
2359         return ret;
2360 }
2361
2362 static const struct file_operations sonypi_misc_fops = {
2363         .owner          = THIS_MODULE,
2364         .read           = sonypi_misc_read,
2365         .poll           = sonypi_misc_poll,
2366         .open           = sonypi_misc_open,
2367         .release        = sonypi_misc_release,
2368         .fasync         = sonypi_misc_fasync,
2369         .unlocked_ioctl = sonypi_misc_ioctl,
2370 };
2371
2372 static struct miscdevice sonypi_misc_device = {
2373         .minor          = MISC_DYNAMIC_MINOR,
2374         .name           = "sonypi",
2375         .fops           = &sonypi_misc_fops,
2376 };
2377
2378 static void sonypi_compat_report_event(u8 event)
2379 {
2380         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2381         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2382         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2383 }
2384
2385 static int sonypi_compat_init(void)
2386 {
2387         int error;
2388
2389         spin_lock_init(&sonypi_compat.fifo_lock);
2390         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2391                                          &sonypi_compat.fifo_lock);
2392         if (IS_ERR(sonypi_compat.fifo)) {
2393                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2394                 return PTR_ERR(sonypi_compat.fifo);
2395         }
2396
2397         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2398
2399         if (minor != -1)
2400                 sonypi_misc_device.minor = minor;
2401         error = misc_register(&sonypi_misc_device);
2402         if (error) {
2403                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2404                 goto err_free_kfifo;
2405         }
2406         if (minor == -1)
2407                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2408                        sonypi_misc_device.minor);
2409
2410         return 0;
2411
2412 err_free_kfifo:
2413         kfifo_free(sonypi_compat.fifo);
2414         return error;
2415 }
2416
2417 static void sonypi_compat_exit(void)
2418 {
2419         misc_deregister(&sonypi_misc_device);
2420         kfifo_free(sonypi_compat.fifo);
2421 }
2422 #else
2423 static int sonypi_compat_init(void) { return 0; }
2424 static void sonypi_compat_exit(void) { }
2425 static void sonypi_compat_report_event(u8 event) { }
2426 #endif /* CONFIG_SONYPI_COMPAT */
2427
2428 /*
2429  * ACPI callbacks
2430  */
2431 static acpi_status
2432 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2433 {
2434         u32 i;
2435         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2436
2437         switch (resource->type) {
2438         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2439                 {
2440                         /* start IO enumeration */
2441                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2442                         if (!ioport)
2443                                 return AE_ERROR;
2444
2445                         list_add(&ioport->list, &dev->ioports);
2446                         return AE_OK;
2447                 }
2448
2449         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2450                 /* end IO enumeration */
2451                 return AE_OK;
2452
2453         case ACPI_RESOURCE_TYPE_IRQ:
2454                 {
2455                         struct acpi_resource_irq *p = &resource->data.irq;
2456                         struct sony_pic_irq *interrupt = NULL;
2457                         if (!p || !p->interrupt_count) {
2458                                 /*
2459                                  * IRQ descriptors may have no IRQ# bits set,
2460                                  * particularly those those w/ _STA disabled
2461                                  */
2462                                 dprintk("Blank IRQ resource\n");
2463                                 return AE_OK;
2464                         }
2465                         for (i = 0; i < p->interrupt_count; i++) {
2466                                 if (!p->interrupts[i]) {
2467                                         printk(KERN_WARNING DRV_PFX
2468                                                         "Invalid IRQ %d\n",
2469                                                         p->interrupts[i]);
2470                                         continue;
2471                                 }
2472                                 interrupt = kzalloc(sizeof(*interrupt),
2473                                                 GFP_KERNEL);
2474                                 if (!interrupt)
2475                                         return AE_ERROR;
2476
2477                                 list_add(&interrupt->list, &dev->interrupts);
2478                                 interrupt->irq.triggering = p->triggering;
2479                                 interrupt->irq.polarity = p->polarity;
2480                                 interrupt->irq.sharable = p->sharable;
2481                                 interrupt->irq.interrupt_count = 1;
2482                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2483                         }
2484                         return AE_OK;
2485                 }
2486         case ACPI_RESOURCE_TYPE_IO:
2487                 {
2488                         struct acpi_resource_io *io = &resource->data.io;
2489                         struct sony_pic_ioport *ioport =
2490                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2491                         if (!io) {
2492                                 dprintk("Blank IO resource\n");
2493                                 return AE_OK;
2494                         }
2495
2496                         if (!ioport->io1.minimum) {
2497                                 memcpy(&ioport->io1, io, sizeof(*io));
2498                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2499                                                 ioport->io1.address_length);
2500                         }
2501                         else if (!ioport->io2.minimum) {
2502                                 memcpy(&ioport->io2, io, sizeof(*io));
2503                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2504                                                 ioport->io2.address_length);
2505                         }
2506                         else {
2507                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2508                                 return AE_ERROR;
2509                         }
2510                         return AE_OK;
2511                 }
2512         default:
2513                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2514                                 resource->type);
2515
2516         case ACPI_RESOURCE_TYPE_END_TAG:
2517                 return AE_OK;
2518         }
2519         return AE_CTRL_TERMINATE;
2520 }
2521
2522 static int sony_pic_possible_resources(struct acpi_device *device)
2523 {
2524         int result = 0;
2525         acpi_status status = AE_OK;
2526
2527         if (!device)
2528                 return -EINVAL;
2529
2530         /* get device status */
2531         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2532         dprintk("Evaluating _STA\n");
2533         result = acpi_bus_get_status(device);
2534         if (result) {
2535                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2536                 goto end;
2537         }
2538
2539         if (!device->status.enabled)
2540                 dprintk("Device disabled\n");
2541         else
2542                 dprintk("Device enabled\n");
2543
2544         /*
2545          * Query and parse 'method'
2546          */
2547         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2548         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2549                         sony_pic_read_possible_resource, &spic_dev);
2550         if (ACPI_FAILURE(status)) {
2551                 printk(KERN_WARNING DRV_PFX
2552                                 "Failure evaluating %s\n",
2553                                 METHOD_NAME__PRS);
2554                 result = -ENODEV;
2555         }
2556 end:
2557         return result;
2558 }
2559
2560 /*
2561  *  Disable the spic device by calling its _DIS method
2562  */
2563 static int sony_pic_disable(struct acpi_device *device)
2564 {
2565         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2566                                                NULL);
2567
2568         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2569                 return -ENXIO;
2570
2571         dprintk("Device disabled\n");
2572         return 0;
2573 }
2574
2575
2576 /*
2577  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2578  *
2579  *  Call _SRS to set current resources
2580  */
2581 static int sony_pic_enable(struct acpi_device *device,
2582                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2583 {
2584         acpi_status status;
2585         int result = 0;
2586         /* Type 1 resource layout is:
2587          *    IO
2588          *    IO
2589          *    IRQNoFlags
2590          *    End
2591          *
2592          * Type 2 and 3 resource layout is:
2593          *    IO
2594          *    IRQNoFlags
2595          *    End
2596          */
2597         struct {
2598                 struct acpi_resource res1;
2599                 struct acpi_resource res2;
2600                 struct acpi_resource res3;
2601                 struct acpi_resource res4;
2602         } *resource;
2603         struct acpi_buffer buffer = { 0, NULL };
2604
2605         if (!ioport || !irq)
2606                 return -EINVAL;
2607
2608         /* init acpi_buffer */
2609         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2610         if (!resource)
2611                 return -ENOMEM;
2612
2613         buffer.length = sizeof(*resource) + 1;
2614         buffer.pointer = resource;
2615
2616         /* setup Type 1 resources */
2617         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2618
2619                 /* setup io resources */
2620                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2621                 resource->res1.length = sizeof(struct acpi_resource);
2622                 memcpy(&resource->res1.data.io, &ioport->io1,
2623                                 sizeof(struct acpi_resource_io));
2624
2625                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2626                 resource->res2.length = sizeof(struct acpi_resource);
2627                 memcpy(&resource->res2.data.io, &ioport->io2,
2628                                 sizeof(struct acpi_resource_io));
2629
2630                 /* setup irq resource */
2631                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2632                 resource->res3.length = sizeof(struct acpi_resource);
2633                 memcpy(&resource->res3.data.irq, &irq->irq,
2634                                 sizeof(struct acpi_resource_irq));
2635                 /* we requested a shared irq */
2636                 resource->res3.data.irq.sharable = ACPI_SHARED;
2637
2638                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2639
2640         }
2641         /* setup Type 2/3 resources */
2642         else {
2643                 /* setup io resource */
2644                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2645                 resource->res1.length = sizeof(struct acpi_resource);
2646                 memcpy(&resource->res1.data.io, &ioport->io1,
2647                                 sizeof(struct acpi_resource_io));
2648
2649                 /* setup irq resource */
2650                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2651                 resource->res2.length = sizeof(struct acpi_resource);
2652                 memcpy(&resource->res2.data.irq, &irq->irq,
2653                                 sizeof(struct acpi_resource_irq));
2654                 /* we requested a shared irq */
2655                 resource->res2.data.irq.sharable = ACPI_SHARED;
2656
2657                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2658         }
2659
2660         /* Attempt to set the resource */
2661         dprintk("Evaluating _SRS\n");
2662         status = acpi_set_current_resources(device->handle, &buffer);
2663
2664         /* check for total failure */
2665         if (ACPI_FAILURE(status)) {
2666                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2667                 result = -ENODEV;
2668                 goto end;
2669         }
2670
2671         /* Necessary device initializations calls (from sonypi) */
2672         sony_pic_call1(0x82);
2673         sony_pic_call2(0x81, 0xff);
2674         sony_pic_call1(compat ? 0x92 : 0x82);
2675
2676 end:
2677         kfree(resource);
2678         return result;
2679 }
2680
2681 /*****************
2682  *
2683  * ISR: some event is available
2684  *
2685  *****************/
2686 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2687 {
2688         int i, j;
2689         u8 ev = 0;
2690         u8 data_mask = 0;
2691         u8 device_event = 0;
2692
2693         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2694
2695         ev = inb_p(dev->cur_ioport->io1.minimum);
2696         if (dev->cur_ioport->io2.minimum)
2697                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2698         else
2699                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2700                                 dev->control->evport_offset);
2701
2702         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2703                         ev, data_mask, dev->cur_ioport->io1.minimum,
2704                         dev->control->evport_offset);
2705
2706         if (ev == 0x00 || ev == 0xff)
2707                 return IRQ_HANDLED;
2708
2709         for (i = 0; dev->control->event_types[i].mask; i++) {
2710
2711                 if ((data_mask & dev->control->event_types[i].data) !=
2712                     dev->control->event_types[i].data)
2713                         continue;
2714
2715                 if (!(mask & dev->control->event_types[i].mask))
2716                         continue;
2717
2718                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2719                         if (ev == dev->control->event_types[i].events[j].data) {
2720                                 device_event =
2721                                         dev->control->
2722                                                 event_types[i].events[j].event;
2723                                 goto found;
2724                         }
2725                 }
2726         }
2727         /* Still not able to decode the event try to pass
2728          * it over to the minidriver
2729          */
2730         if (dev->control->handle_irq &&
2731                         dev->control->handle_irq(data_mask, ev) == 0)
2732                 return IRQ_HANDLED;
2733
2734         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2735                         ev, data_mask, dev->cur_ioport->io1.minimum,
2736                         dev->control->evport_offset);
2737         return IRQ_HANDLED;
2738
2739 found:
2740         sony_laptop_report_input_event(device_event);
2741         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2742         sonypi_compat_report_event(device_event);
2743
2744         return IRQ_HANDLED;
2745 }
2746
2747 /*****************
2748  *
2749  *  ACPI driver
2750  *
2751  *****************/
2752 static int sony_pic_remove(struct acpi_device *device, int type)
2753 {
2754         struct sony_pic_ioport *io, *tmp_io;
2755         struct sony_pic_irq *irq, *tmp_irq;
2756
2757         if (sony_pic_disable(device)) {
2758                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2759                 return -ENXIO;
2760         }
2761
2762         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2763         release_region(spic_dev.cur_ioport->io1.minimum,
2764                         spic_dev.cur_ioport->io1.address_length);
2765         if (spic_dev.cur_ioport->io2.minimum)
2766                 release_region(spic_dev.cur_ioport->io2.minimum,
2767                                 spic_dev.cur_ioport->io2.address_length);
2768
2769         sonypi_compat_exit();
2770
2771         sony_laptop_remove_input();
2772
2773         /* pf attrs */
2774         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2775         sony_pf_remove();
2776
2777         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2778                 list_del(&io->list);
2779                 kfree(io);
2780         }
2781         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2782                 list_del(&irq->list);
2783                 kfree(irq);
2784         }
2785         spic_dev.cur_ioport = NULL;
2786         spic_dev.cur_irq = NULL;
2787
2788         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2789         return 0;
2790 }
2791
2792 static int sony_pic_add(struct acpi_device *device)
2793 {
2794         int result;
2795         struct sony_pic_ioport *io, *tmp_io;
2796         struct sony_pic_irq *irq, *tmp_irq;
2797
2798         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2799                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2800
2801         spic_dev.acpi_dev = device;
2802         strcpy(acpi_device_class(device), "sony/hotkey");
2803         sony_pic_detect_device_type(&spic_dev);
2804         mutex_init(&spic_dev.lock);
2805
2806         /* read _PRS resources */
2807         result = sony_pic_possible_resources(device);
2808         if (result) {
2809                 printk(KERN_ERR DRV_PFX
2810                                 "Unable to read possible resources.\n");
2811                 goto err_free_resources;
2812         }
2813
2814         /* setup input devices and helper fifo */
2815         result = sony_laptop_setup_input(device);
2816         if (result) {
2817                 printk(KERN_ERR DRV_PFX
2818                                 "Unable to create input devices.\n");
2819                 goto err_free_resources;
2820         }
2821
2822         if (sonypi_compat_init())
2823                 goto err_remove_input;
2824
2825         /* request io port */
2826         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2827                 if (request_region(io->io1.minimum, io->io1.address_length,
2828                                         "Sony Programable I/O Device")) {
2829                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2830                                         io->io1.minimum, io->io1.maximum,
2831                                         io->io1.address_length);
2832                         /* Type 1 have 2 ioports */
2833                         if (io->io2.minimum) {
2834                                 if (request_region(io->io2.minimum,
2835                                                 io->io2.address_length,
2836                                                 "Sony Programable I/O Device")) {
2837                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2838                                                         io->io2.minimum, io->io2.maximum,
2839                                                         io->io2.address_length);
2840                                         spic_dev.cur_ioport = io;
2841                                         break;
2842                                 }
2843                                 else {
2844                                         dprintk("Unable to get I/O port2: "
2845                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2846                                                         io->io2.minimum, io->io2.maximum,
2847                                                         io->io2.address_length);
2848                                         release_region(io->io1.minimum,
2849                                                         io->io1.address_length);
2850                                 }
2851                         }
2852                         else {
2853                                 spic_dev.cur_ioport = io;
2854                                 break;
2855                         }
2856                 }
2857         }
2858         if (!spic_dev.cur_ioport) {
2859                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2860                 result = -ENODEV;
2861                 goto err_remove_compat;
2862         }
2863
2864         /* request IRQ */
2865         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2866                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2867                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2868                         dprintk("IRQ: %d - triggering: %d - "
2869                                         "polarity: %d - shr: %d\n",
2870                                         irq->irq.interrupts[0],
2871                                         irq->irq.triggering,
2872                                         irq->irq.polarity,
2873                                         irq->irq.sharable);
2874                         spic_dev.cur_irq = irq;
2875                         break;
2876                 }
2877         }
2878         if (!spic_dev.cur_irq) {
2879                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2880                 result = -ENODEV;
2881                 goto err_release_region;
2882         }
2883
2884         /* set resource status _SRS */
2885         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2886         if (result) {
2887                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2888                 goto err_free_irq;
2889         }
2890
2891         spic_dev.bluetooth_power = -1;
2892         /* create device attributes */
2893         result = sony_pf_add();
2894         if (result)
2895                 goto err_disable_device;
2896
2897         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2898         if (result)
2899                 goto err_remove_pf;
2900
2901         return 0;
2902
2903 err_remove_pf:
2904         sony_pf_remove();
2905
2906 err_disable_device:
2907         sony_pic_disable(device);
2908
2909 err_free_irq:
2910         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2911
2912 err_release_region:
2913         release_region(spic_dev.cur_ioport->io1.minimum,
2914                         spic_dev.cur_ioport->io1.address_length);
2915         if (spic_dev.cur_ioport->io2.minimum)
2916                 release_region(spic_dev.cur_ioport->io2.minimum,
2917                                 spic_dev.cur_ioport->io2.address_length);
2918
2919 err_remove_compat:
2920         sonypi_compat_exit();
2921
2922 err_remove_input:
2923         sony_laptop_remove_input();
2924
2925 err_free_resources:
2926         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2927                 list_del(&io->list);
2928                 kfree(io);
2929         }
2930         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2931                 list_del(&irq->list);
2932                 kfree(irq);
2933         }
2934         spic_dev.cur_ioport = NULL;
2935         spic_dev.cur_irq = NULL;
2936
2937         return result;
2938 }
2939
2940 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2941 {
2942         if (sony_pic_disable(device))
2943                 return -ENXIO;
2944         return 0;
2945 }
2946
2947 static int sony_pic_resume(struct acpi_device *device)
2948 {
2949         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2950         return 0;
2951 }
2952
2953 static const struct acpi_device_id sony_pic_device_ids[] = {
2954         {SONY_PIC_HID, 0},
2955         {"", 0},
2956 };
2957
2958 static struct acpi_driver sony_pic_driver = {
2959         .name = SONY_PIC_DRIVER_NAME,
2960         .class = SONY_PIC_CLASS,
2961         .ids = sony_pic_device_ids,
2962         .owner = THIS_MODULE,
2963         .ops = {
2964                 .add = sony_pic_add,
2965                 .remove = sony_pic_remove,
2966                 .suspend = sony_pic_suspend,
2967                 .resume = sony_pic_resume,
2968                 },
2969 };
2970
2971 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2972         {
2973                 .ident = "Sony Vaio",
2974                 .matches = {
2975                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2976                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2977                 },
2978         },
2979         {
2980                 .ident = "Sony Vaio",
2981                 .matches = {
2982                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2983                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2984                 },
2985         },
2986         { }
2987 };
2988
2989 static int __init sony_laptop_init(void)
2990 {
2991         int result;
2992
2993         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2994                 result = acpi_bus_register_driver(&sony_pic_driver);
2995                 if (result) {
2996                         printk(KERN_ERR DRV_PFX
2997                                         "Unable to register SPIC driver.");
2998                         goto out;
2999                 }
3000         }
3001
3002         result = acpi_bus_register_driver(&sony_nc_driver);
3003         if (result) {
3004                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
3005                 goto out_unregister_pic;
3006         }
3007
3008         return 0;
3009
3010 out_unregister_pic:
3011         if (!no_spic)
3012                 acpi_bus_unregister_driver(&sony_pic_driver);
3013 out:
3014         return result;
3015 }
3016
3017 static void __exit sony_laptop_exit(void)
3018 {
3019         acpi_bus_unregister_driver(&sony_nc_driver);
3020         if (!no_spic)
3021                 acpi_bus_unregister_driver(&sony_pic_driver);
3022 }
3023
3024 module_init(sony_laptop_init);
3025 module_exit(sony_laptop_exit);