SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/platform/x86/sony-laptop.c

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #include <linux/kernel.h>
  46 #include <linux/module.h>
  47 #include <linux/moduleparam.h>
  48 #include <linux/init.h>
  49 #include <linux/smp_lock.h>
  50 #include <linux/types.h>
  51 #include <linux/backlight.h>
  52 #include <linux/platform_device.h>
  53 #include <linux/err.h>
  54 #include <linux/dmi.h>
  55 #include <linux/pci.h>
  56 #include <linux/interrupt.h>
  57 #include <linux/delay.h>
  58 #include <linux/input.h>
  59 #include <linux/kfifo.h>
  60 #include <linux/workqueue.h>
  61 #include <linux/acpi.h>
  62 #include <acpi/acpi_drivers.h>
  63 #include <acpi/acpi_bus.h>
  64 #include <asm/uaccess.h>
  65 #include <linux/sonypi.h>
  66 #include <linux/sony-laptop.h>
  67 #include <linux/rfkill.h>
  68 #ifdef CONFIG_SONYPI_COMPAT
  69 #include <linux/poll.h>
  70 #include <linux/miscdevice.h>
  71 #endif
  72
  73 #define DRV_PFX                 "sony-laptop: "
  74 #define dprintk(msg...)         do {                    \
  75         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  76 } while (0)
  77
  78 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  79
  80 #define SONY_NC_CLASS           "sony-nc"
  81 #define SONY_NC_HID             "SNY5001"
  82 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  83
  84 #define SONY_PIC_CLASS          "sony-pic"
  85 #define SONY_PIC_HID            "SNY6001"
  86 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  87
  88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  90 MODULE_LICENSE("GPL");
  91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  92
  93 static int debug;
  94 module_param(debug, int, 0);
  95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  96                  "the development of this driver");
  97
  98 static int no_spic;             /* = 0 */
  99 module_param(no_spic, int, 0444);
 100 MODULE_PARM_DESC(no_spic,
 101                  "set this if you don't want to enable the SPIC device");
 102
 103 static int compat;              /* = 0 */
 104 module_param(compat, int, 0444);
 105 MODULE_PARM_DESC(compat,
 106                  "set this if you want to enable backward compatibility mode");
 107
 108 static unsigned long mask = 0xffffffff;
 109 module_param(mask, ulong, 0644);
 110 MODULE_PARM_DESC(mask,
 111                  "set this to the mask of event you want to enable (see doc)");
 112
 113 static int camera;              /* = 0 */
 114 module_param(camera, int, 0444);
 115 MODULE_PARM_DESC(camera,
 116                  "set this to 1 to enable Motion Eye camera controls "
 117                  "(only use it if you have a C1VE or C1VN model)");
 118
 119 #ifdef CONFIG_SONYPI_COMPAT
 120 static int minor = -1;
 121 module_param(minor, int, 0);
 122 MODULE_PARM_DESC(minor,
 123                  "minor number of the misc device for the SPIC compatibility code, "
 124                  "default is -1 (automatic)");
 125 #endif
 126
 127 enum sony_nc_rfkill {
 128         SONY_WIFI,
 129         SONY_BLUETOOTH,
 130         SONY_WWAN,
 131         SONY_WIMAX,
 132         SONY_RFKILL_MAX,
 133 };
 134
 135 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
 136 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
 137 static void sony_nc_rfkill_update(void);
 138
 139 /*********** Input Devices ***********/
 140
 141 #define SONY_LAPTOP_BUF_SIZE    128
 142 struct sony_laptop_input_s {
 143         atomic_t                users;
 144         struct input_dev        *jog_dev;
 145         struct input_dev        *key_dev;
 146         struct kfifo            *fifo;
 147         spinlock_t              fifo_lock;
 148         struct workqueue_struct *wq;
 149 };
 150
 151 static struct sony_laptop_input_s sony_laptop_input = {
 152         .users = ATOMIC_INIT(0),
 153 };
 154
 155 struct sony_laptop_keypress {
 156         struct input_dev *dev;
 157         int key;
 158 };
 159
 160 /* Correspondance table between sonypi events
 161  * and input layer indexes in the keymap
 162  */
 163 static int sony_laptop_input_index[] = {
 164         -1,     /*  0 no event */
 165         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 166         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 167         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 168         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 169         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 170         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 171          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 172          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 173          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 174          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 175          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 176          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 177          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 178          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 179          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 180          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 181         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 182         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 183         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 184         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 185         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 186         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 187         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 188         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 189         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 190         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 191         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 192         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 193         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 194         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 195         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 196         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 197         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 198         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 199         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 200         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 201         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 202         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 203         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 204         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 205         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 206         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 207         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 208         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 209         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 210         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 211         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 212         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 213         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 214         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 215         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 216         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 217         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 218         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 219         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 220         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 221         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 222         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 223         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 224         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 225         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 226         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 227         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 228         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 229         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 230         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 231         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 232         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 233         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 234         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 235         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 236 };
 237
 238 static int sony_laptop_input_keycode_map[] = {
 239         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 240         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 241         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 242         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 243         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 244         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 245         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 246         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 247         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 248         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 249         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 250         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 251         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 252         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 253         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 254         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 255         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 256         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 257         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 258         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 259         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 260         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 261         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 262         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 263         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 264         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 265         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 266         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 267         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 268         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 269         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 270         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 271         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 272         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 273         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 274         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 275         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 276         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 277         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 278         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 279         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 280         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 281         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 282         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 283         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 284         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 285         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 286         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 287         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 288         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 289         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 290         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 291         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 292         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 293         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 294         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 295         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 296         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 297 };
 298
 299 /* release buttons after a short delay if pressed */
 300 static void do_sony_laptop_release_key(struct work_struct *work)
 301 {
 302         struct sony_laptop_keypress kp;
 303
 304         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
 305                          sizeof(kp)) == sizeof(kp)) {
 306                 msleep(10);
 307                 input_report_key(kp.dev, kp.key, 0);
 308                 input_sync(kp.dev);
 309         }
 310 }
 311 static DECLARE_WORK(sony_laptop_release_key_work,
 312                 do_sony_laptop_release_key);
 313
 314 /* forward event to the input subsystem */
 315 static void sony_laptop_report_input_event(u8 event)
 316 {
 317         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 318         struct input_dev *key_dev = sony_laptop_input.key_dev;
 319         struct sony_laptop_keypress kp = { NULL };
 320
 321         if (event == SONYPI_EVENT_FNKEY_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                                 "Unabe 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_P1 },
 870         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 871         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 872         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 873         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 874         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 875         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 876         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 877         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 878         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 879         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 880         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 881         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 882         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 883         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 884         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 885         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 886         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 887         { 0, 0 },
 888 };
 889
 890 static struct sony_nc_event sony_127_events[] = {
 891         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 892         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 893         { 0x82, SONYPI_EVENT_PKEY_P1 },
 894         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 895         { 0x83, SONYPI_EVENT_PKEY_P2 },
 896         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 897         { 0x84, SONYPI_EVENT_PKEY_P3 },
 898         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 899         { 0x85, SONYPI_EVENT_PKEY_P4 },
 900         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 901         { 0x86, SONYPI_EVENT_PKEY_P5 },
 902         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 903         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 904         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 905         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 906         { 0, 0 },
 907 };
 908
 909 /*
 910  * ACPI callbacks
 911  */
 912 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
 913 {
 914         u32 ev = event;
 915         int result;
 916
 917         if (ev >= 0x90) {
 918                 /* New-style event */
 919                 int key_handle = 0;
 920                 ev -= 0x90;
 921
 922                 if (sony_find_snc_handle(0x100) == ev)
 923                         key_handle = 0x100;
 924                 if (sony_find_snc_handle(0x127) == ev)
 925                         key_handle = 0x127;
 926
 927                 if (handle) {
 928                         struct sony_nc_event *key_event;
 929
 930                         if (sony_call_snc_handle(key_handle, 0x200, &result))
 931                                 dprintk("sony_acpi_notify, unable to decode"
 932                                         " event 0x%.2x 0x%.2x\n", key_handle,
 933                                         ev);
 934                         else
 935                                 ev = result & 0xFF;
 936
 937                         if (key_handle == 0x100)
 938                                 key_event = sony_100_events;
 939                         else
 940                                 key_event = sony_127_events;
 941
 942                         for (; key_event->data; key_event++) {
 943                                 if (key_event->data == ev) {
 944                                         ev = key_event->event;
 945                                         break;
 946                                 }
 947                         }
 948
 949                         if (!key_event->data) {
 950                                 printk(KERN_INFO DRV_PFX
 951                                        "Unknown event: 0x%x 0x%x\n", key_handle,
 952                                        ev);
 953                         }
 954                 } else if (sony_find_snc_handle(0x124) == ev) {
 955                         sony_nc_rfkill_update();
 956                         return;
 957                 }
 958         }
 959
 960         dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
 961         sony_laptop_report_input_event(ev);
 962         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 963 }
 964
 965 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 966                                       void *context, void **return_value)
 967 {
 968         struct acpi_device_info *info;
 969         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 970
 971         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
 972                 info = buffer.pointer;
 973
 974                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 975                         (char *)&info->name, info->param_count);
 976
 977                 kfree(buffer.pointer);
 978         }
 979
 980         return AE_OK;
 981 }
 982
 983 /*
 984  * ACPI device
 985  */
 986 static int sony_nc_function_setup(struct acpi_device *device)
 987 {
 988         int result;
 989
 990         /* Enable all events */
 991         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
 992
 993         /* Setup hotkeys */
 994         sony_call_snc_handle(0x0100, 0, &result);
 995         sony_call_snc_handle(0x0101, 0, &result);
 996         sony_call_snc_handle(0x0102, 0x100, &result);
 997
 998         return 0;
 999 }
1000
1001 static int sony_nc_resume(struct acpi_device *device)
1002 {
1003         struct sony_nc_value *item;
1004         acpi_handle handle;
1005
1006         for (item = sony_nc_values; item->name; item++) {
1007                 int ret;
1008
1009                 if (!item->valid)
1010                         continue;
1011                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1012                                        item->value, NULL);
1013                 if (ret < 0) {
1014                         printk("%s: %d\n", __func__, ret);
1015                         break;
1016                 }
1017         }
1018
1019         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1020                                          &handle))) {
1021                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1022                         dprintk("ECON Method failed\n");
1023         }
1024
1025         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1026                                          &handle))) {
1027                 dprintk("Doing SNC setup\n");
1028                 sony_nc_function_setup(device);
1029         }
1030
1031         /* set the last requested brightness level */
1032         if (sony_backlight_device &&
1033                         !sony_backlight_update_status(sony_backlight_device))
1034                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1035
1036         return 0;
1037 }
1038
1039 static void sony_nc_rfkill_cleanup(void)
1040 {
1041         int i;
1042
1043         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1044                 if (sony_rfkill_devices[i])
1045                         rfkill_unregister(sony_rfkill_devices[i]);
1046         }
1047 }
1048
1049 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1050 {
1051         int result;
1052         int argument = sony_rfkill_address[(long) data];
1053
1054         sony_call_snc_handle(0x124, 0x200, &result);
1055         if (result & 0x1) {
1056                 sony_call_snc_handle(0x124, argument, &result);
1057                 if (result & 0xf)
1058                         *state = RFKILL_STATE_UNBLOCKED;
1059                 else
1060                         *state = RFKILL_STATE_SOFT_BLOCKED;
1061         } else {
1062                 *state = RFKILL_STATE_HARD_BLOCKED;
1063         }
1064
1065         return 0;
1066 }
1067
1068 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1069 {
1070         int result;
1071         int argument = sony_rfkill_address[(long) data] + 0x100;
1072
1073         if (state == RFKILL_STATE_UNBLOCKED)
1074                 argument |= 0xff0000;
1075
1076         return sony_call_snc_handle(0x124, argument, &result);
1077 }
1078
1079 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1080 {
1081         int err = 0;
1082         struct rfkill *sony_wifi_rfkill;
1083
1084         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1085         if (!sony_wifi_rfkill)
1086                 return -1;
1087         sony_wifi_rfkill->name = "sony-wifi";
1088         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1089         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1090         sony_wifi_rfkill->user_claim_unsupported = 1;
1091         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1092         err = rfkill_register(sony_wifi_rfkill);
1093         if (err)
1094                 rfkill_free(sony_wifi_rfkill);
1095         else
1096                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1097         return err;
1098 }
1099
1100 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1101 {
1102         int err = 0;
1103         struct rfkill *sony_bluetooth_rfkill;
1104
1105         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1106                                                 RFKILL_TYPE_BLUETOOTH);
1107         if (!sony_bluetooth_rfkill)
1108                 return -1;
1109         sony_bluetooth_rfkill->name = "sony-bluetooth";
1110         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1111         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1112         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1113         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1114         err = rfkill_register(sony_bluetooth_rfkill);
1115         if (err)
1116                 rfkill_free(sony_bluetooth_rfkill);
1117         else
1118                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1119         return err;
1120 }
1121
1122 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1123 {
1124         int err = 0;
1125         struct rfkill *sony_wwan_rfkill;
1126
1127         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1128         if (!sony_wwan_rfkill)
1129                 return -1;
1130         sony_wwan_rfkill->name = "sony-wwan";
1131         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1132         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1133         sony_wwan_rfkill->user_claim_unsupported = 1;
1134         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1135         err = rfkill_register(sony_wwan_rfkill);
1136         if (err)
1137                 rfkill_free(sony_wwan_rfkill);
1138         else
1139                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1140         return err;
1141 }
1142
1143 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1144 {
1145         int err = 0;
1146         struct rfkill *sony_wimax_rfkill;
1147
1148         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1149         if (!sony_wimax_rfkill)
1150                 return -1;
1151         sony_wimax_rfkill->name = "sony-wimax";
1152         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1153         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1154         sony_wimax_rfkill->user_claim_unsupported = 1;
1155         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1156         err = rfkill_register(sony_wimax_rfkill);
1157         if (err)
1158                 rfkill_free(sony_wimax_rfkill);
1159         else
1160                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1161         return err;
1162 }
1163
1164 static void sony_nc_rfkill_update()
1165 {
1166         int i;
1167         enum rfkill_state state;
1168
1169         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1170                 if (sony_rfkill_devices[i]) {
1171                         sony_rfkill_devices[i]->
1172                                 get_state(sony_rfkill_devices[i]->data,
1173                                           &state);
1174                         rfkill_force_state(sony_rfkill_devices[i], state);
1175                 }
1176         }
1177 }
1178
1179 static int sony_nc_rfkill_setup(struct acpi_device *device)
1180 {
1181         int result, ret;
1182
1183         if (sony_find_snc_handle(0x124) == -1)
1184                 return -1;
1185
1186         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1187         if (ret) {
1188                 printk(KERN_INFO DRV_PFX
1189                        "Unable to enumerate rfkill devices: %x\n", ret);
1190                 return ret;
1191         }
1192
1193         if (result & 0x1)
1194                 sony_nc_setup_wifi_rfkill(device);
1195         if (result & 0x2)
1196                 sony_nc_setup_bluetooth_rfkill(device);
1197         if (result & 0x1c)
1198                 sony_nc_setup_wwan_rfkill(device);
1199         if (result & 0x20)
1200                 sony_nc_setup_wimax_rfkill(device);
1201
1202         return 0;
1203 }
1204
1205 static int sony_nc_add(struct acpi_device *device)
1206 {
1207         acpi_status status;
1208         int result = 0;
1209         acpi_handle handle;
1210         struct sony_nc_value *item;
1211
1212         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1213                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1214
1215         sony_nc_acpi_device = device;
1216         strcpy(acpi_device_class(device), "sony/hotkey");
1217
1218         sony_nc_acpi_handle = device->handle;
1219
1220         /* read device status */
1221         result = acpi_bus_get_status(device);
1222         /* bail IFF the above call was successful and the device is not present */
1223         if (!result && !device->status.present) {
1224                 dprintk("Device not present\n");
1225                 result = -ENODEV;
1226                 goto outwalk;
1227         }
1228
1229         if (debug) {
1230                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1231                                              1, sony_walk_callback, NULL, NULL);
1232                 if (ACPI_FAILURE(status)) {
1233                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1234                         result = -ENODEV;
1235                         goto outwalk;
1236                 }
1237         }
1238
1239         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1240          * should be respected as we already checked for the device presence above */
1241         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1242                 dprintk("Invoking _INI\n");
1243                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1244                                                 NULL, NULL)))
1245                         dprintk("_INI Method failed\n");
1246         }
1247
1248         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1249                                          &handle))) {
1250                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1251                         dprintk("ECON Method failed\n");
1252         }
1253
1254         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1255                                          &handle))) {
1256                 dprintk("Doing SNC setup\n");
1257                 sony_nc_function_setup(device);
1258                 sony_nc_rfkill_setup(device);
1259         }
1260
1261         /* setup input devices and helper fifo */
1262         result = sony_laptop_setup_input(device);
1263         if (result) {
1264                 printk(KERN_ERR DRV_PFX
1265                                 "Unabe to create input devices.\n");
1266                 goto outwalk;
1267         }
1268
1269         status = acpi_install_notify_handler(sony_nc_acpi_handle,
1270                                              ACPI_DEVICE_NOTIFY,
1271                                              sony_acpi_notify, NULL);
1272         if (ACPI_FAILURE(status)) {
1273                 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1274                 result = -ENODEV;
1275                 goto outinput;
1276         }
1277
1278         if (acpi_video_backlight_support()) {
1279                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1280                        "controlled by ACPI video driver\n");
1281         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1282                                                 &handle))) {
1283                 sony_backlight_device = backlight_device_register("sony", NULL,
1284                                                                   NULL,
1285                                                                   &sony_backlight_ops);
1286
1287                 if (IS_ERR(sony_backlight_device)) {
1288                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1289                         sony_backlight_device = NULL;
1290                 } else {
1291                         sony_backlight_device->props.brightness =
1292                             sony_backlight_get_brightness
1293                             (sony_backlight_device);
1294                         sony_backlight_device->props.max_brightness =
1295                             SONY_MAX_BRIGHTNESS - 1;
1296                 }
1297
1298         }
1299
1300         result = sony_pf_add();
1301         if (result)
1302                 goto outbacklight;
1303
1304         /* create sony_pf sysfs attributes related to the SNC device */
1305         for (item = sony_nc_values; item->name; ++item) {
1306
1307                 if (!debug && item->debug)
1308                         continue;
1309
1310                 /* find the available acpiget as described in the DSDT */
1311                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1312                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1313                                                          *item->acpiget,
1314                                                          &handle))) {
1315                                 dprintk("Found %s getter: %s\n",
1316                                                 item->name, *item->acpiget);
1317                                 item->devattr.attr.mode |= S_IRUGO;
1318                                 break;
1319                         }
1320                 }
1321
1322                 /* find the available acpiset as described in the DSDT */
1323                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1324                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1325                                                          *item->acpiset,
1326                                                          &handle))) {
1327                                 dprintk("Found %s setter: %s\n",
1328                                                 item->name, *item->acpiset);
1329                                 item->devattr.attr.mode |= S_IWUSR;
1330                                 break;
1331                         }
1332                 }
1333
1334                 if (item->devattr.attr.mode != 0) {
1335                         result =
1336                             device_create_file(&sony_pf_device->dev,
1337                                                &item->devattr);
1338                         if (result)
1339                                 goto out_sysfs;
1340                 }
1341         }
1342
1343         return 0;
1344
1345       out_sysfs:
1346         for (item = sony_nc_values; item->name; ++item) {
1347                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1348         }
1349         sony_pf_remove();
1350
1351       outbacklight:
1352         if (sony_backlight_device)
1353                 backlight_device_unregister(sony_backlight_device);
1354
1355         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1356                                             ACPI_DEVICE_NOTIFY,
1357                                             sony_acpi_notify);
1358         if (ACPI_FAILURE(status))
1359                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1360
1361       outinput:
1362         sony_laptop_remove_input();
1363
1364       outwalk:
1365         sony_nc_rfkill_cleanup();
1366         return result;
1367 }
1368
1369 static int sony_nc_remove(struct acpi_device *device, int type)
1370 {
1371         acpi_status status;
1372         struct sony_nc_value *item;
1373
1374         if (sony_backlight_device)
1375                 backlight_device_unregister(sony_backlight_device);
1376
1377         sony_nc_acpi_device = NULL;
1378
1379         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1380                                             ACPI_DEVICE_NOTIFY,
1381                                             sony_acpi_notify);
1382         if (ACPI_FAILURE(status))
1383                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
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                 },
1419 };
1420
1421 /*********** SPIC (SNY6001) Device ***********/
1422
1423 #define SONYPI_DEVICE_TYPE1     0x00000001
1424 #define SONYPI_DEVICE_TYPE2     0x00000002
1425 #define SONYPI_DEVICE_TYPE3     0x00000004
1426 #define SONYPI_DEVICE_TYPE4     0x00000008
1427
1428 #define SONYPI_TYPE1_OFFSET     0x04
1429 #define SONYPI_TYPE2_OFFSET     0x12
1430 #define SONYPI_TYPE3_OFFSET     0x12
1431
1432 struct sony_pic_ioport {
1433         struct acpi_resource_io io1;
1434         struct acpi_resource_io io2;
1435         struct list_head        list;
1436 };
1437
1438 struct sony_pic_irq {
1439         struct acpi_resource_irq        irq;
1440         struct list_head                list;
1441 };
1442
1443 struct sonypi_eventtypes {
1444         u8                      data;
1445         unsigned long           mask;
1446         struct sonypi_event     *events;
1447 };
1448
1449 struct device_ctrl {
1450         int                             model;
1451         int                             (*handle_irq)(const u8, const u8);
1452         u16                             evport_offset;
1453         u8                              has_camera;
1454         u8                              has_bluetooth;
1455         u8                              has_wwan;
1456         struct sonypi_eventtypes        *event_types;
1457 };
1458
1459 struct sony_pic_dev {
1460         struct device_ctrl      *control;
1461         struct acpi_device      *acpi_dev;
1462         struct sony_pic_irq     *cur_irq;
1463         struct sony_pic_ioport  *cur_ioport;
1464         struct list_head        interrupts;
1465         struct list_head        ioports;
1466         struct mutex            lock;
1467         u8                      camera_power;
1468         u8                      bluetooth_power;
1469         u8                      wwan_power;
1470 };
1471
1472 static struct sony_pic_dev spic_dev = {
1473         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1474         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1475 };
1476
1477 /* Event masks */
1478 #define SONYPI_JOGGER_MASK                      0x00000001
1479 #define SONYPI_CAPTURE_MASK                     0x00000002
1480 #define SONYPI_FNKEY_MASK                       0x00000004
1481 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1482 #define SONYPI_PKEY_MASK                        0x00000010
1483 #define SONYPI_BACK_MASK                        0x00000020
1484 #define SONYPI_HELP_MASK                        0x00000040
1485 #define SONYPI_LID_MASK                         0x00000080
1486 #define SONYPI_ZOOM_MASK                        0x00000100
1487 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1488 #define SONYPI_MEYE_MASK                        0x00000400
1489 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1490 #define SONYPI_BATTERY_MASK                     0x00001000
1491 #define SONYPI_WIRELESS_MASK                    0x00002000
1492
1493 struct sonypi_event {
1494         u8      data;
1495         u8      event;
1496 };
1497
1498 /* The set of possible button release events */
1499 static struct sonypi_event sonypi_releaseev[] = {
1500         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1501         { 0, 0 }
1502 };
1503
1504 /* The set of possible jogger events  */
1505 static struct sonypi_event sonypi_joggerev[] = {
1506         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1507         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1508         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1509         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1510         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1511         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1512         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1513         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1514         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1515         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1516         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1517         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1518         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1519         { 0, 0 }
1520 };
1521
1522 /* The set of possible capture button events */
1523 static struct sonypi_event sonypi_captureev[] = {
1524         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1525         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1526         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1527         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1528         { 0, 0 }
1529 };
1530
1531 /* The set of possible fnkeys events */
1532 static struct sonypi_event sonypi_fnkeyev[] = {
1533         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1534         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1535         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1536         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1537         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1538         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1539         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1540         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1541         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1542         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1543         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1544         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1545         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1546         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1547         { 0x21, SONYPI_EVENT_FNKEY_1 },
1548         { 0x22, SONYPI_EVENT_FNKEY_2 },
1549         { 0x31, SONYPI_EVENT_FNKEY_D },
1550         { 0x32, SONYPI_EVENT_FNKEY_E },
1551         { 0x33, SONYPI_EVENT_FNKEY_F },
1552         { 0x34, SONYPI_EVENT_FNKEY_S },
1553         { 0x35, SONYPI_EVENT_FNKEY_B },
1554         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1555         { 0, 0 }
1556 };
1557
1558 /* The set of possible program key events */
1559 static struct sonypi_event sonypi_pkeyev[] = {
1560         { 0x01, SONYPI_EVENT_PKEY_P1 },
1561         { 0x02, SONYPI_EVENT_PKEY_P2 },
1562         { 0x04, SONYPI_EVENT_PKEY_P3 },
1563         { 0x20, SONYPI_EVENT_PKEY_P1 },
1564         { 0, 0 }
1565 };
1566
1567 /* The set of possible bluetooth events */
1568 static struct sonypi_event sonypi_blueev[] = {
1569         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1570         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1571         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1572         { 0, 0 }
1573 };
1574
1575 /* The set of possible wireless events */
1576 static struct sonypi_event sonypi_wlessev[] = {
1577         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1578         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1579         { 0, 0 }
1580 };
1581
1582 /* The set of possible back button events */
1583 static struct sonypi_event sonypi_backev[] = {
1584         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1585         { 0, 0 }
1586 };
1587
1588 /* The set of possible help button events */
1589 static struct sonypi_event sonypi_helpev[] = {
1590         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1591         { 0, 0 }
1592 };
1593
1594
1595 /* The set of possible lid events */
1596 static struct sonypi_event sonypi_lidev[] = {
1597         { 0x51, SONYPI_EVENT_LID_CLOSED },
1598         { 0x50, SONYPI_EVENT_LID_OPENED },
1599         { 0, 0 }
1600 };
1601
1602 /* The set of possible zoom events */
1603 static struct sonypi_event sonypi_zoomev[] = {
1604         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1605         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1606         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1607         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1608         { 0, 0 }
1609 };
1610
1611 /* The set of possible thumbphrase events */
1612 static struct sonypi_event sonypi_thumbphraseev[] = {
1613         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1614         { 0, 0 }
1615 };
1616
1617 /* The set of possible motioneye camera events */
1618 static struct sonypi_event sonypi_meyeev[] = {
1619         { 0x00, SONYPI_EVENT_MEYE_FACE },
1620         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1621         { 0, 0 }
1622 };
1623
1624 /* The set of possible memorystick events */
1625 static struct sonypi_event sonypi_memorystickev[] = {
1626         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1627         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1628         { 0, 0 }
1629 };
1630
1631 /* The set of possible battery events */
1632 static struct sonypi_event sonypi_batteryev[] = {
1633         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1634         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1635         { 0, 0 }
1636 };
1637
1638 /* The set of possible volume events */
1639 static struct sonypi_event sonypi_volumeev[] = {
1640         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1641         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1642         { 0, 0 }
1643 };
1644
1645 /* The set of possible brightness events */
1646 static struct sonypi_event sonypi_brightnessev[] = {
1647         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1648         { 0, 0 }
1649 };
1650
1651 static struct sonypi_eventtypes type1_events[] = {
1652         { 0, 0xffffffff, sonypi_releaseev },
1653         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1654         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1655         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1656         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1657         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1658         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1659         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1660         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1661         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1662         { 0 },
1663 };
1664 static struct sonypi_eventtypes type2_events[] = {
1665         { 0, 0xffffffff, sonypi_releaseev },
1666         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1667         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1668         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1669         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1670         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1671         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1672         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1673         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1674         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1675         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1676         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1677         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1678         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1679         { 0 },
1680 };
1681 static struct sonypi_eventtypes type3_events[] = {
1682         { 0, 0xffffffff, sonypi_releaseev },
1683         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1684         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1685         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1686         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1687         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1688         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1689         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1690         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1691         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1692         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1693         { 0 },
1694 };
1695
1696 /* low level spic calls */
1697 #define ITERATIONS_LONG         10000
1698 #define ITERATIONS_SHORT        10
1699 #define wait_on_command(command, iterations) {                          \
1700         unsigned int n = iterations;                                    \
1701         while (--n && (command))                                        \
1702                 udelay(1);                                              \
1703         if (!n)                                                         \
1704                 dprintk("command failed at %s : %s (line %d)\n",        \
1705                                 __FILE__, __func__, __LINE__);  \
1706 }
1707
1708 static u8 sony_pic_call1(u8 dev)
1709 {
1710         u8 v1, v2;
1711
1712         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1713                         ITERATIONS_LONG);
1714         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1715         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1716         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1717         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1718         return v2;
1719 }
1720
1721 static u8 sony_pic_call2(u8 dev, u8 fn)
1722 {
1723         u8 v1;
1724
1725         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1726                         ITERATIONS_LONG);
1727         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1728         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1729                         ITERATIONS_LONG);
1730         outb(fn, spic_dev.cur_ioport->io1.minimum);
1731         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1732         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1733         return v1;
1734 }
1735
1736 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1737 {
1738         u8 v1;
1739
1740         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1741         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1742         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1743         outb(fn, spic_dev.cur_ioport->io1.minimum);
1744         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1745         outb(v, spic_dev.cur_ioport->io1.minimum);
1746         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1747         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1748                         dev, fn, v, v1);
1749         return v1;
1750 }
1751
1752 /*
1753  * minidrivers for SPIC models
1754  */
1755 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1756 {
1757         /*
1758          * 0x31 could mean we have to take some extra action and wait for
1759          * the next irq for some Type3 models, it will generate a new
1760          * irq and we can read new data from the device:
1761          *  - 0x5c and 0x5f requires 0xA0
1762          *  - 0x61 requires 0xB3
1763          */
1764         if (data_mask == 0x31) {
1765                 if (ev == 0x5c || ev == 0x5f)
1766                         sony_pic_call1(0xA0);
1767                 else if (ev == 0x61)
1768                         sony_pic_call1(0xB3);
1769                 return 0;
1770         }
1771         return 1;
1772 }
1773
1774 static struct device_ctrl spic_types[] = {
1775         {
1776                 .model = SONYPI_DEVICE_TYPE1,
1777                 .handle_irq = NULL,
1778                 .evport_offset = SONYPI_TYPE1_OFFSET,
1779                 .event_types = type1_events,
1780         },
1781         {
1782                 .model = SONYPI_DEVICE_TYPE2,
1783                 .handle_irq = NULL,
1784                 .evport_offset = SONYPI_TYPE2_OFFSET,
1785                 .event_types = type2_events,
1786         },
1787         {
1788                 .model = SONYPI_DEVICE_TYPE3,
1789                 .handle_irq = type3_handle_irq,
1790                 .evport_offset = SONYPI_TYPE3_OFFSET,
1791                 .event_types = type3_events,
1792         },
1793 };
1794
1795 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1796 {
1797         struct pci_dev *pcidev;
1798
1799         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1800                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1801         if (pcidev) {
1802                 dev->control = &spic_types[0];
1803                 goto out;
1804         }
1805
1806         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1807                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1808         if (pcidev) {
1809                 dev->control = &spic_types[2];
1810                 goto out;
1811         }
1812
1813         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1814                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1815         if (pcidev) {
1816                 dev->control = &spic_types[2];
1817                 goto out;
1818         }
1819
1820         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1821                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1822         if (pcidev) {
1823                 dev->control = &spic_types[2];
1824                 goto out;
1825         }
1826
1827         /* default */
1828         dev->control = &spic_types[1];
1829
1830 out:
1831         if (pcidev)
1832                 pci_dev_put(pcidev);
1833
1834         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1835                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1836                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1837 }
1838
1839 /* camera tests and poweron/poweroff */
1840 #define SONYPI_CAMERA_PICTURE           5
1841 #define SONYPI_CAMERA_CONTROL           0x10
1842
1843 #define SONYPI_CAMERA_BRIGHTNESS                0
1844 #define SONYPI_CAMERA_CONTRAST                  1
1845 #define SONYPI_CAMERA_HUE                       2
1846 #define SONYPI_CAMERA_COLOR                     3
1847 #define SONYPI_CAMERA_SHARPNESS                 4
1848
1849 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1850 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1851 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1852 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1853
1854 /* the rest don't need a loop until not 0xff */
1855 #define SONYPI_CAMERA_AGC                       6
1856 #define SONYPI_CAMERA_AGC_MASK                  0x30
1857 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1858
1859 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1860 #define SONYPI_CAMERA_CONTROL                   0x10
1861
1862 #define SONYPI_CAMERA_STATUS                    7
1863 #define SONYPI_CAMERA_STATUS_READY              0x2
1864 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1865
1866 #define SONYPI_DIRECTION_BACKWARDS              0x4
1867
1868 #define SONYPI_CAMERA_REVISION                  8
1869 #define SONYPI_CAMERA_ROMVERSION                9
1870
1871 static int __sony_pic_camera_ready(void)
1872 {
1873         u8 v;
1874
1875         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1876         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1877 }
1878
1879 static int __sony_pic_camera_off(void)
1880 {
1881         if (!camera) {
1882                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1883                 return -ENODEV;
1884         }
1885
1886         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1887                                 SONYPI_CAMERA_MUTE_MASK),
1888                         ITERATIONS_SHORT);
1889
1890         if (spic_dev.camera_power) {
1891                 sony_pic_call2(0x91, 0);
1892                 spic_dev.camera_power = 0;
1893         }
1894         return 0;
1895 }
1896
1897 static int __sony_pic_camera_on(void)
1898 {
1899         int i, j, x;
1900
1901         if (!camera) {
1902                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1903                 return -ENODEV;
1904         }
1905
1906         if (spic_dev.camera_power)
1907                 return 0;
1908
1909         for (j = 5; j > 0; j--) {
1910
1911                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1912                         msleep(10);
1913                 sony_pic_call1(0x93);
1914
1915                 for (i = 400; i > 0; i--) {
1916                         if (__sony_pic_camera_ready())
1917                                 break;
1918                         msleep(10);
1919                 }
1920                 if (i)
1921                         break;
1922         }
1923
1924         if (j == 0) {
1925                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1926                 return -ENODEV;
1927         }
1928
1929         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1930                                 0x5a),
1931                         ITERATIONS_SHORT);
1932
1933         spic_dev.camera_power = 1;
1934         return 0;
1935 }
1936
1937 /* External camera command (exported to the motion eye v4l driver) */
1938 int sony_pic_camera_command(int command, u8 value)
1939 {
1940         if (!camera)
1941                 return -EIO;
1942
1943         mutex_lock(&spic_dev.lock);
1944
1945         switch (command) {
1946         case SONY_PIC_COMMAND_SETCAMERA:
1947                 if (value)
1948                         __sony_pic_camera_on();
1949                 else
1950                         __sony_pic_camera_off();
1951                 break;
1952         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1953                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1954                                 ITERATIONS_SHORT);
1955                 break;
1956         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1957                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1958                                 ITERATIONS_SHORT);
1959                 break;
1960         case SONY_PIC_COMMAND_SETCAMERAHUE:
1961                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1962                                 ITERATIONS_SHORT);
1963                 break;
1964         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1965                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1966                                 ITERATIONS_SHORT);
1967                 break;
1968         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1969                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1970                                 ITERATIONS_SHORT);
1971                 break;
1972         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1973                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1974                                 ITERATIONS_SHORT);
1975                 break;
1976         case SONY_PIC_COMMAND_SETCAMERAAGC:
1977                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1978                                 ITERATIONS_SHORT);
1979                 break;
1980         default:
1981                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1982                        command);
1983                 break;
1984         }
1985         mutex_unlock(&spic_dev.lock);
1986         return 0;
1987 }
1988 EXPORT_SYMBOL(sony_pic_camera_command);
1989
1990 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1991 static void sony_pic_set_wwanpower(u8 state)
1992 {
1993         state = !!state;
1994         mutex_lock(&spic_dev.lock);
1995         if (spic_dev.wwan_power == state) {
1996                 mutex_unlock(&spic_dev.lock);
1997                 return;
1998         }
1999         sony_pic_call2(0xB0, state);
2000         spic_dev.wwan_power = state;
2001         mutex_unlock(&spic_dev.lock);
2002 }
2003
2004 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2005                 struct device_attribute *attr,
2006                 const char *buffer, size_t count)
2007 {
2008         unsigned long value;
2009         if (count > 31)
2010                 return -EINVAL;
2011
2012         value = simple_strtoul(buffer, NULL, 10);
2013         sony_pic_set_wwanpower(value);
2014
2015         return count;
2016 }
2017
2018 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2019                 struct device_attribute *attr, char *buffer)
2020 {
2021         ssize_t count;
2022         mutex_lock(&spic_dev.lock);
2023         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2024         mutex_unlock(&spic_dev.lock);
2025         return count;
2026 }
2027
2028 /* bluetooth subsystem power state */
2029 static void __sony_pic_set_bluetoothpower(u8 state)
2030 {
2031         state = !!state;
2032         if (spic_dev.bluetooth_power == state)
2033                 return;
2034         sony_pic_call2(0x96, state);
2035         sony_pic_call1(0x82);
2036         spic_dev.bluetooth_power = state;
2037 }
2038
2039 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2040                 struct device_attribute *attr,
2041                 const char *buffer, size_t count)
2042 {
2043         unsigned long value;
2044         if (count > 31)
2045                 return -EINVAL;
2046
2047         value = simple_strtoul(buffer, NULL, 10);
2048         mutex_lock(&spic_dev.lock);
2049         __sony_pic_set_bluetoothpower(value);
2050         mutex_unlock(&spic_dev.lock);
2051
2052         return count;
2053 }
2054
2055 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2056                 struct device_attribute *attr, char *buffer)
2057 {
2058         ssize_t count = 0;
2059         mutex_lock(&spic_dev.lock);
2060         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2061         mutex_unlock(&spic_dev.lock);
2062         return count;
2063 }
2064
2065 /* fan speed */
2066 /* FAN0 information (reverse engineered from ACPI tables) */
2067 #define SONY_PIC_FAN0_STATUS    0x93
2068 static int sony_pic_set_fanspeed(unsigned long value)
2069 {
2070         return ec_write(SONY_PIC_FAN0_STATUS, value);
2071 }
2072
2073 static int sony_pic_get_fanspeed(u8 *value)
2074 {
2075         return ec_read(SONY_PIC_FAN0_STATUS, value);
2076 }
2077
2078 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2079                 struct device_attribute *attr,
2080                 const char *buffer, size_t count)
2081 {
2082         unsigned long value;
2083         if (count > 31)
2084                 return -EINVAL;
2085
2086         value = simple_strtoul(buffer, NULL, 10);
2087         if (sony_pic_set_fanspeed(value))
2088                 return -EIO;
2089
2090         return count;
2091 }
2092
2093 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2094                 struct device_attribute *attr, char *buffer)
2095 {
2096         u8 value = 0;
2097         if (sony_pic_get_fanspeed(&value))
2098                 return -EIO;
2099
2100         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2101 }
2102
2103 #define SPIC_ATTR(_name, _mode)                                 \
2104 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2105                 _mode, sony_pic_## _name ##_show,               \
2106                 sony_pic_## _name ##_store)
2107
2108 static SPIC_ATTR(bluetoothpower, 0644);
2109 static SPIC_ATTR(wwanpower, 0644);
2110 static SPIC_ATTR(fanspeed, 0644);
2111
2112 static struct attribute *spic_attributes[] = {
2113         &spic_attr_bluetoothpower.attr,
2114         &spic_attr_wwanpower.attr,
2115         &spic_attr_fanspeed.attr,
2116         NULL
2117 };
2118
2119 static struct attribute_group spic_attribute_group = {
2120         .attrs = spic_attributes
2121 };
2122
2123 /******** SONYPI compatibility **********/
2124 #ifdef CONFIG_SONYPI_COMPAT
2125
2126 /* battery / brightness / temperature  addresses */
2127 #define SONYPI_BAT_FLAGS        0x81
2128 #define SONYPI_LCD_LIGHT        0x96
2129 #define SONYPI_BAT1_PCTRM       0xa0
2130 #define SONYPI_BAT1_LEFT        0xa2
2131 #define SONYPI_BAT1_MAXRT       0xa4
2132 #define SONYPI_BAT2_PCTRM       0xa8
2133 #define SONYPI_BAT2_LEFT        0xaa
2134 #define SONYPI_BAT2_MAXRT       0xac
2135 #define SONYPI_BAT1_MAXTK       0xb0
2136 #define SONYPI_BAT1_FULL        0xb2
2137 #define SONYPI_BAT2_MAXTK       0xb8
2138 #define SONYPI_BAT2_FULL        0xba
2139 #define SONYPI_TEMP_STATUS      0xC1
2140
2141 struct sonypi_compat_s {
2142         struct fasync_struct    *fifo_async;
2143         struct kfifo            *fifo;
2144         spinlock_t              fifo_lock;
2145         wait_queue_head_t       fifo_proc_list;
2146         atomic_t                open_count;
2147 };
2148 static struct sonypi_compat_s sonypi_compat = {
2149         .open_count = ATOMIC_INIT(0),
2150 };
2151
2152 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2153 {
2154         int retval;
2155
2156         retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2157         if (retval < 0)
2158                 return retval;
2159         return 0;
2160 }
2161
2162 static int sonypi_misc_release(struct inode *inode, struct file *file)
2163 {
2164         atomic_dec(&sonypi_compat.open_count);
2165         return 0;
2166 }
2167
2168 static int sonypi_misc_open(struct inode *inode, struct file *file)
2169 {
2170         /* Flush input queue on first open */
2171         lock_kernel();
2172         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2173                 kfifo_reset(sonypi_compat.fifo);
2174         unlock_kernel();
2175         return 0;
2176 }
2177
2178 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2179                                 size_t count, loff_t *pos)
2180 {
2181         ssize_t ret;
2182         unsigned char c;
2183
2184         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2185             (file->f_flags & O_NONBLOCK))
2186                 return -EAGAIN;
2187
2188         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2189                                        kfifo_len(sonypi_compat.fifo) != 0);
2190         if (ret)
2191                 return ret;
2192
2193         while (ret < count &&
2194                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2195                 if (put_user(c, buf++))
2196                         return -EFAULT;
2197                 ret++;
2198         }
2199
2200         if (ret > 0) {
2201                 struct inode *inode = file->f_path.dentry->d_inode;
2202                 inode->i_atime = current_fs_time(inode->i_sb);
2203         }
2204
2205         return ret;
2206 }
2207
2208 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2209 {
2210         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2211         if (kfifo_len(sonypi_compat.fifo))
2212                 return POLLIN | POLLRDNORM;
2213         return 0;
2214 }
2215
2216 static int ec_read16(u8 addr, u16 *value)
2217 {
2218         u8 val_lb, val_hb;
2219         if (ec_read(addr, &val_lb))
2220                 return -1;
2221         if (ec_read(addr + 1, &val_hb))
2222                 return -1;
2223         *value = val_lb | (val_hb << 8);
2224         return 0;
2225 }
2226
2227 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2228                                                         unsigned long arg)
2229 {
2230         int ret = 0;
2231         void __user *argp = (void __user *)arg;
2232         u8 val8;
2233         u16 val16;
2234         int value;
2235
2236         mutex_lock(&spic_dev.lock);
2237         switch (cmd) {
2238         case SONYPI_IOCGBRT:
2239                 if (sony_backlight_device == NULL) {
2240                         ret = -EIO;
2241                         break;
2242                 }
2243                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2244                         ret = -EIO;
2245                         break;
2246                 }
2247                 val8 = ((value & 0xff) - 1) << 5;
2248                 if (copy_to_user(argp, &val8, sizeof(val8)))
2249                                 ret = -EFAULT;
2250                 break;
2251         case SONYPI_IOCSBRT:
2252                 if (sony_backlight_device == NULL) {
2253                         ret = -EIO;
2254                         break;
2255                 }
2256                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2257                         ret = -EFAULT;
2258                         break;
2259                 }
2260                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2261                                 (val8 >> 5) + 1, NULL)) {
2262                         ret = -EIO;
2263                         break;
2264                 }
2265                 /* sync the backlight device status */
2266                 sony_backlight_device->props.brightness =
2267                     sony_backlight_get_brightness(sony_backlight_device);
2268                 break;
2269         case SONYPI_IOCGBAT1CAP:
2270                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2271                         ret = -EIO;
2272                         break;
2273                 }
2274                 if (copy_to_user(argp, &val16, sizeof(val16)))
2275                         ret = -EFAULT;
2276                 break;
2277         case SONYPI_IOCGBAT1REM:
2278                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2279                         ret = -EIO;
2280                         break;
2281                 }
2282                 if (copy_to_user(argp, &val16, sizeof(val16)))
2283                         ret = -EFAULT;
2284                 break;
2285         case SONYPI_IOCGBAT2CAP:
2286                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2287                         ret = -EIO;
2288                         break;
2289                 }
2290                 if (copy_to_user(argp, &val16, sizeof(val16)))
2291                         ret = -EFAULT;
2292                 break;
2293         case SONYPI_IOCGBAT2REM:
2294                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2295                         ret = -EIO;
2296                         break;
2297                 }
2298                 if (copy_to_user(argp, &val16, sizeof(val16)))
2299                         ret = -EFAULT;
2300                 break;
2301         case SONYPI_IOCGBATFLAGS:
2302                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2303                         ret = -EIO;
2304                         break;
2305                 }
2306                 val8 &= 0x07;
2307                 if (copy_to_user(argp, &val8, sizeof(val8)))
2308                         ret = -EFAULT;
2309                 break;
2310         case SONYPI_IOCGBLUE:
2311                 val8 = spic_dev.bluetooth_power;
2312                 if (copy_to_user(argp, &val8, sizeof(val8)))
2313                         ret = -EFAULT;
2314                 break;
2315         case SONYPI_IOCSBLUE:
2316                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2317                         ret = -EFAULT;
2318                         break;
2319                 }
2320                 __sony_pic_set_bluetoothpower(val8);
2321                 break;
2322         /* FAN Controls */
2323         case SONYPI_IOCGFAN:
2324                 if (sony_pic_get_fanspeed(&val8)) {
2325                         ret = -EIO;
2326                         break;
2327                 }
2328                 if (copy_to_user(argp, &val8, sizeof(val8)))
2329                         ret = -EFAULT;
2330                 break;
2331         case SONYPI_IOCSFAN:
2332                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2333                         ret = -EFAULT;
2334                         break;
2335                 }
2336                 if (sony_pic_set_fanspeed(val8))
2337                         ret = -EIO;
2338                 break;
2339         /* GET Temperature (useful under APM) */
2340         case SONYPI_IOCGTEMP:
2341                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2342                         ret = -EIO;
2343                         break;
2344                 }
2345                 if (copy_to_user(argp, &val8, sizeof(val8)))
2346                         ret = -EFAULT;
2347                 break;
2348         default:
2349                 ret = -EINVAL;
2350         }
2351         mutex_unlock(&spic_dev.lock);
2352         return ret;
2353 }
2354
2355 static const struct file_operations sonypi_misc_fops = {
2356         .owner          = THIS_MODULE,
2357         .read           = sonypi_misc_read,
2358         .poll           = sonypi_misc_poll,
2359         .open           = sonypi_misc_open,
2360         .release        = sonypi_misc_release,
2361         .fasync         = sonypi_misc_fasync,
2362         .unlocked_ioctl = sonypi_misc_ioctl,
2363 };
2364
2365 static struct miscdevice sonypi_misc_device = {
2366         .minor          = MISC_DYNAMIC_MINOR,
2367         .name           = "sonypi",
2368         .fops           = &sonypi_misc_fops,
2369 };
2370
2371 static void sonypi_compat_report_event(u8 event)
2372 {
2373         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2374         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2375         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2376 }
2377
2378 static int sonypi_compat_init(void)
2379 {
2380         int error;
2381
2382         spin_lock_init(&sonypi_compat.fifo_lock);
2383         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2384                                          &sonypi_compat.fifo_lock);
2385         if (IS_ERR(sonypi_compat.fifo)) {
2386                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2387                 return PTR_ERR(sonypi_compat.fifo);
2388         }
2389
2390         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2391
2392         if (minor != -1)
2393                 sonypi_misc_device.minor = minor;
2394         error = misc_register(&sonypi_misc_device);
2395         if (error) {
2396                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2397                 goto err_free_kfifo;
2398         }
2399         if (minor == -1)
2400                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2401                        sonypi_misc_device.minor);
2402
2403         return 0;
2404
2405 err_free_kfifo:
2406         kfifo_free(sonypi_compat.fifo);
2407         return error;
2408 }
2409
2410 static void sonypi_compat_exit(void)
2411 {
2412         misc_deregister(&sonypi_misc_device);
2413         kfifo_free(sonypi_compat.fifo);
2414 }
2415 #else
2416 static int sonypi_compat_init(void) { return 0; }
2417 static void sonypi_compat_exit(void) { }
2418 static void sonypi_compat_report_event(u8 event) { }
2419 #endif /* CONFIG_SONYPI_COMPAT */
2420
2421 /*
2422  * ACPI callbacks
2423  */
2424 static acpi_status
2425 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2426 {
2427         u32 i;
2428         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2429
2430         switch (resource->type) {
2431         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2432                 {
2433                         /* start IO enumeration */
2434                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2435                         if (!ioport)
2436                                 return AE_ERROR;
2437
2438                         list_add(&ioport->list, &dev->ioports);
2439                         return AE_OK;
2440                 }
2441
2442         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2443                 /* end IO enumeration */
2444                 return AE_OK;
2445
2446         case ACPI_RESOURCE_TYPE_IRQ:
2447                 {
2448                         struct acpi_resource_irq *p = &resource->data.irq;
2449                         struct sony_pic_irq *interrupt = NULL;
2450                         if (!p || !p->interrupt_count) {
2451                                 /*
2452                                  * IRQ descriptors may have no IRQ# bits set,
2453                                  * particularly those those w/ _STA disabled
2454                                  */
2455                                 dprintk("Blank IRQ resource\n");
2456                                 return AE_OK;
2457                         }
2458                         for (i = 0; i < p->interrupt_count; i++) {
2459                                 if (!p->interrupts[i]) {
2460                                         printk(KERN_WARNING DRV_PFX
2461                                                         "Invalid IRQ %d\n",
2462                                                         p->interrupts[i]);
2463                                         continue;
2464                                 }
2465                                 interrupt = kzalloc(sizeof(*interrupt),
2466                                                 GFP_KERNEL);
2467                                 if (!interrupt)
2468                                         return AE_ERROR;
2469
2470                                 list_add(&interrupt->list, &dev->interrupts);
2471                                 interrupt->irq.triggering = p->triggering;
2472                                 interrupt->irq.polarity = p->polarity;
2473                                 interrupt->irq.sharable = p->sharable;
2474                                 interrupt->irq.interrupt_count = 1;
2475                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2476                         }
2477                         return AE_OK;
2478                 }
2479         case ACPI_RESOURCE_TYPE_IO:
2480                 {
2481                         struct acpi_resource_io *io = &resource->data.io;
2482                         struct sony_pic_ioport *ioport =
2483                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2484                         if (!io) {
2485                                 dprintk("Blank IO resource\n");
2486                                 return AE_OK;
2487                         }
2488
2489                         if (!ioport->io1.minimum) {
2490                                 memcpy(&ioport->io1, io, sizeof(*io));
2491                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2492                                                 ioport->io1.address_length);
2493                         }
2494                         else if (!ioport->io2.minimum) {
2495                                 memcpy(&ioport->io2, io, sizeof(*io));
2496                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2497                                                 ioport->io2.address_length);
2498                         }
2499                         else {
2500                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2501                                 return AE_ERROR;
2502                         }
2503                         return AE_OK;
2504                 }
2505         default:
2506                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2507                                 resource->type);
2508
2509         case ACPI_RESOURCE_TYPE_END_TAG:
2510                 return AE_OK;
2511         }
2512         return AE_CTRL_TERMINATE;
2513 }
2514
2515 static int sony_pic_possible_resources(struct acpi_device *device)
2516 {
2517         int result = 0;
2518         acpi_status status = AE_OK;
2519
2520         if (!device)
2521                 return -EINVAL;
2522
2523         /* get device status */
2524         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2525         dprintk("Evaluating _STA\n");
2526         result = acpi_bus_get_status(device);
2527         if (result) {
2528                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2529                 goto end;
2530         }
2531
2532         if (!device->status.enabled)
2533                 dprintk("Device disabled\n");
2534         else
2535                 dprintk("Device enabled\n");
2536
2537         /*
2538          * Query and parse 'method'
2539          */
2540         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2541         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2542                         sony_pic_read_possible_resource, &spic_dev);
2543         if (ACPI_FAILURE(status)) {
2544                 printk(KERN_WARNING DRV_PFX
2545                                 "Failure evaluating %s\n",
2546                                 METHOD_NAME__PRS);
2547                 result = -ENODEV;
2548         }
2549 end:
2550         return result;
2551 }
2552
2553 /*
2554  *  Disable the spic device by calling its _DIS method
2555  */
2556 static int sony_pic_disable(struct acpi_device *device)
2557 {
2558         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2559                                                NULL);
2560
2561         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2562                 return -ENXIO;
2563
2564         dprintk("Device disabled\n");
2565         return 0;
2566 }
2567
2568
2569 /*
2570  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2571  *
2572  *  Call _SRS to set current resources
2573  */
2574 static int sony_pic_enable(struct acpi_device *device,
2575                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2576 {
2577         acpi_status status;
2578         int result = 0;
2579         /* Type 1 resource layout is:
2580          *    IO
2581          *    IO
2582          *    IRQNoFlags
2583          *    End
2584          *
2585          * Type 2 and 3 resource layout is:
2586          *    IO
2587          *    IRQNoFlags
2588          *    End
2589          */
2590         struct {
2591                 struct acpi_resource res1;
2592                 struct acpi_resource res2;
2593                 struct acpi_resource res3;
2594                 struct acpi_resource res4;
2595         } *resource;
2596         struct acpi_buffer buffer = { 0, NULL };
2597
2598         if (!ioport || !irq)
2599                 return -EINVAL;
2600
2601         /* init acpi_buffer */
2602         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2603         if (!resource)
2604                 return -ENOMEM;
2605
2606         buffer.length = sizeof(*resource) + 1;
2607         buffer.pointer = resource;
2608
2609         /* setup Type 1 resources */
2610         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2611
2612                 /* setup io resources */
2613                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2614                 resource->res1.length = sizeof(struct acpi_resource);
2615                 memcpy(&resource->res1.data.io, &ioport->io1,
2616                                 sizeof(struct acpi_resource_io));
2617
2618                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2619                 resource->res2.length = sizeof(struct acpi_resource);
2620                 memcpy(&resource->res2.data.io, &ioport->io2,
2621                                 sizeof(struct acpi_resource_io));
2622
2623                 /* setup irq resource */
2624                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2625                 resource->res3.length = sizeof(struct acpi_resource);
2626                 memcpy(&resource->res3.data.irq, &irq->irq,
2627                                 sizeof(struct acpi_resource_irq));
2628                 /* we requested a shared irq */
2629                 resource->res3.data.irq.sharable = ACPI_SHARED;
2630
2631                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2632
2633         }
2634         /* setup Type 2/3 resources */
2635         else {
2636                 /* setup io resource */
2637                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2638                 resource->res1.length = sizeof(struct acpi_resource);
2639                 memcpy(&resource->res1.data.io, &ioport->io1,
2640                                 sizeof(struct acpi_resource_io));
2641
2642                 /* setup irq resource */
2643                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2644                 resource->res2.length = sizeof(struct acpi_resource);
2645                 memcpy(&resource->res2.data.irq, &irq->irq,
2646                                 sizeof(struct acpi_resource_irq));
2647                 /* we requested a shared irq */
2648                 resource->res2.data.irq.sharable = ACPI_SHARED;
2649
2650                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2651         }
2652
2653         /* Attempt to set the resource */
2654         dprintk("Evaluating _SRS\n");
2655         status = acpi_set_current_resources(device->handle, &buffer);
2656
2657         /* check for total failure */
2658         if (ACPI_FAILURE(status)) {
2659                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2660                 result = -ENODEV;
2661                 goto end;
2662         }
2663
2664         /* Necessary device initializations calls (from sonypi) */
2665         sony_pic_call1(0x82);
2666         sony_pic_call2(0x81, 0xff);
2667         sony_pic_call1(compat ? 0x92 : 0x82);
2668
2669 end:
2670         kfree(resource);
2671         return result;
2672 }
2673
2674 /*****************
2675  *
2676  * ISR: some event is available
2677  *
2678  *****************/
2679 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2680 {
2681         int i, j;
2682         u8 ev = 0;
2683         u8 data_mask = 0;
2684         u8 device_event = 0;
2685
2686         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2687
2688         ev = inb_p(dev->cur_ioport->io1.minimum);
2689         if (dev->cur_ioport->io2.minimum)
2690                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2691         else
2692                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2693                                 dev->control->evport_offset);
2694
2695         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2696                         ev, data_mask, dev->cur_ioport->io1.minimum,
2697                         dev->control->evport_offset);
2698
2699         if (ev == 0x00 || ev == 0xff)
2700                 return IRQ_HANDLED;
2701
2702         for (i = 0; dev->control->event_types[i].mask; i++) {
2703
2704                 if ((data_mask & dev->control->event_types[i].data) !=
2705                     dev->control->event_types[i].data)
2706                         continue;
2707
2708                 if (!(mask & dev->control->event_types[i].mask))
2709                         continue;
2710
2711                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2712                         if (ev == dev->control->event_types[i].events[j].data) {
2713                                 device_event =
2714                                         dev->control->
2715                                                 event_types[i].events[j].event;
2716                                 goto found;
2717                         }
2718                 }
2719         }
2720         /* Still not able to decode the event try to pass
2721          * it over to the minidriver
2722          */
2723         if (dev->control->handle_irq &&
2724                         dev->control->handle_irq(data_mask, ev) == 0)
2725                 return IRQ_HANDLED;
2726
2727         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2728                         ev, data_mask, dev->cur_ioport->io1.minimum,
2729                         dev->control->evport_offset);
2730         return IRQ_HANDLED;
2731
2732 found:
2733         sony_laptop_report_input_event(device_event);
2734         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2735         sonypi_compat_report_event(device_event);
2736
2737         return IRQ_HANDLED;
2738 }
2739
2740 /*****************
2741  *
2742  *  ACPI driver
2743  *
2744  *****************/
2745 static int sony_pic_remove(struct acpi_device *device, int type)
2746 {
2747         struct sony_pic_ioport *io, *tmp_io;
2748         struct sony_pic_irq *irq, *tmp_irq;
2749
2750         if (sony_pic_disable(device)) {
2751                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2752                 return -ENXIO;
2753         }
2754
2755         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2756         release_region(spic_dev.cur_ioport->io1.minimum,
2757                         spic_dev.cur_ioport->io1.address_length);
2758         if (spic_dev.cur_ioport->io2.minimum)
2759                 release_region(spic_dev.cur_ioport->io2.minimum,
2760                                 spic_dev.cur_ioport->io2.address_length);
2761
2762         sonypi_compat_exit();
2763
2764         sony_laptop_remove_input();
2765
2766         /* pf attrs */
2767         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2768         sony_pf_remove();
2769
2770         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2771                 list_del(&io->list);
2772                 kfree(io);
2773         }
2774         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2775                 list_del(&irq->list);
2776                 kfree(irq);
2777         }
2778         spic_dev.cur_ioport = NULL;
2779         spic_dev.cur_irq = NULL;
2780
2781         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2782         return 0;
2783 }
2784
2785 static int sony_pic_add(struct acpi_device *device)
2786 {
2787         int result;
2788         struct sony_pic_ioport *io, *tmp_io;
2789         struct sony_pic_irq *irq, *tmp_irq;
2790
2791         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2792                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2793
2794         spic_dev.acpi_dev = device;
2795         strcpy(acpi_device_class(device), "sony/hotkey");
2796         sony_pic_detect_device_type(&spic_dev);
2797         mutex_init(&spic_dev.lock);
2798
2799         /* read _PRS resources */
2800         result = sony_pic_possible_resources(device);
2801         if (result) {
2802                 printk(KERN_ERR DRV_PFX
2803                                 "Unabe to read possible resources.\n");
2804                 goto err_free_resources;
2805         }
2806
2807         /* setup input devices and helper fifo */
2808         result = sony_laptop_setup_input(device);
2809         if (result) {
2810                 printk(KERN_ERR DRV_PFX
2811                                 "Unabe to create input devices.\n");
2812                 goto err_free_resources;
2813         }
2814
2815         if (sonypi_compat_init())
2816                 goto err_remove_input;
2817
2818         /* request io port */
2819         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2820                 if (request_region(io->io1.minimum, io->io1.address_length,
2821                                         "Sony Programable I/O Device")) {
2822                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2823                                         io->io1.minimum, io->io1.maximum,
2824                                         io->io1.address_length);
2825                         /* Type 1 have 2 ioports */
2826                         if (io->io2.minimum) {
2827                                 if (request_region(io->io2.minimum,
2828                                                 io->io2.address_length,
2829                                                 "Sony Programable I/O Device")) {
2830                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2831                                                         io->io2.minimum, io->io2.maximum,
2832                                                         io->io2.address_length);
2833                                         spic_dev.cur_ioport = io;
2834                                         break;
2835                                 }
2836                                 else {
2837                                         dprintk("Unable to get I/O port2: "
2838                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2839                                                         io->io2.minimum, io->io2.maximum,
2840                                                         io->io2.address_length);
2841                                         release_region(io->io1.minimum,
2842                                                         io->io1.address_length);
2843                                 }
2844                         }
2845                         else {
2846                                 spic_dev.cur_ioport = io;
2847                                 break;
2848                         }
2849                 }
2850         }
2851         if (!spic_dev.cur_ioport) {
2852                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2853                 result = -ENODEV;
2854                 goto err_remove_compat;
2855         }
2856
2857         /* request IRQ */
2858         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2859                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2860                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2861                         dprintk("IRQ: %d - triggering: %d - "
2862                                         "polarity: %d - shr: %d\n",
2863                                         irq->irq.interrupts[0],
2864                                         irq->irq.triggering,
2865                                         irq->irq.polarity,
2866                                         irq->irq.sharable);
2867                         spic_dev.cur_irq = irq;
2868                         break;
2869                 }
2870         }
2871         if (!spic_dev.cur_irq) {
2872                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2873                 result = -ENODEV;
2874                 goto err_release_region;
2875         }
2876
2877         /* set resource status _SRS */
2878         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2879         if (result) {
2880                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2881                 goto err_free_irq;
2882         }
2883
2884         spic_dev.bluetooth_power = -1;
2885         /* create device attributes */
2886         result = sony_pf_add();
2887         if (result)
2888                 goto err_disable_device;
2889
2890         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2891         if (result)
2892                 goto err_remove_pf;
2893
2894         return 0;
2895
2896 err_remove_pf:
2897         sony_pf_remove();
2898
2899 err_disable_device:
2900         sony_pic_disable(device);
2901
2902 err_free_irq:
2903         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2904
2905 err_release_region:
2906         release_region(spic_dev.cur_ioport->io1.minimum,
2907                         spic_dev.cur_ioport->io1.address_length);
2908         if (spic_dev.cur_ioport->io2.minimum)
2909                 release_region(spic_dev.cur_ioport->io2.minimum,
2910                                 spic_dev.cur_ioport->io2.address_length);
2911
2912 err_remove_compat:
2913         sonypi_compat_exit();
2914
2915 err_remove_input:
2916         sony_laptop_remove_input();
2917
2918 err_free_resources:
2919         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2920                 list_del(&io->list);
2921                 kfree(io);
2922         }
2923         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2924                 list_del(&irq->list);
2925                 kfree(irq);
2926         }
2927         spic_dev.cur_ioport = NULL;
2928         spic_dev.cur_irq = NULL;
2929
2930         return result;
2931 }
2932
2933 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2934 {
2935         if (sony_pic_disable(device))
2936                 return -ENXIO;
2937         return 0;
2938 }
2939
2940 static int sony_pic_resume(struct acpi_device *device)
2941 {
2942         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2943         return 0;
2944 }
2945
2946 static const struct acpi_device_id sony_pic_device_ids[] = {
2947         {SONY_PIC_HID, 0},
2948         {"", 0},
2949 };
2950
2951 static struct acpi_driver sony_pic_driver = {
2952         .name = SONY_PIC_DRIVER_NAME,
2953         .class = SONY_PIC_CLASS,
2954         .ids = sony_pic_device_ids,
2955         .owner = THIS_MODULE,
2956         .ops = {
2957                 .add = sony_pic_add,
2958                 .remove = sony_pic_remove,
2959                 .suspend = sony_pic_suspend,
2960                 .resume = sony_pic_resume,
2961                 },
2962 };
2963
2964 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2965         {
2966                 .ident = "Sony Vaio",
2967                 .matches = {
2968                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2969                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2970                 },
2971         },
2972         {
2973                 .ident = "Sony Vaio",
2974                 .matches = {
2975                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2976                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2977                 },
2978         },
2979         { }
2980 };
2981
2982 static int __init sony_laptop_init(void)
2983 {
2984         int result;
2985
2986         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2987                 result = acpi_bus_register_driver(&sony_pic_driver);
2988                 if (result) {
2989                         printk(KERN_ERR DRV_PFX
2990                                         "Unable to register SPIC driver.");
2991                         goto out;
2992                 }
2993         }
2994
2995         result = acpi_bus_register_driver(&sony_nc_driver);
2996         if (result) {
2997                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2998                 goto out_unregister_pic;
2999         }
3000
3001         return 0;
3002
3003 out_unregister_pic:
3004         if (!no_spic)
3005                 acpi_bus_unregister_driver(&sony_pic_driver);
3006 out:
3007         return result;
3008 }
3009
3010 static void __exit sony_laptop_exit(void)
3011 {
3012         acpi_bus_unregister_driver(&sony_nc_driver);
3013         if (!no_spic)
3014                 acpi_bus_unregister_driver(&sony_pic_driver);
3015 }
3016
3017 module_init(sony_laptop_init);
3018 module_exit(sony_laptop_exit);