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) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #include <linux/kernel.h>
  46 #include <linux/module.h>
  47 #include <linux/moduleparam.h>
  48 #include <linux/init.h>
  49 #include <linux/types.h>
  50 #include <linux/backlight.h>
  51 #include <linux/platform_device.h>
  52 #include <linux/err.h>
  53 #include <linux/dmi.h>
  54 #include <linux/pci.h>
  55 #include <linux/interrupt.h>
  56 #include <linux/delay.h>
  57 #include <linux/input.h>
  58 #include <linux/kfifo.h>
  59 #include <linux/workqueue.h>
  60 #include <linux/acpi.h>
  61 #include <acpi/acpi_drivers.h>
  62 #include <acpi/acpi_bus.h>
  63 #include <asm/uaccess.h>
  64 #include <linux/sonypi.h>
  65 #include <linux/sony-laptop.h>
  66 #include <linux/rfkill.h>
  67 #ifdef CONFIG_SONYPI_COMPAT
  68 #include <linux/poll.h>
  69 #include <linux/miscdevice.h>
  70 #endif
  71
  72 #define DRV_PFX                 "sony-laptop: "
  73 #define dprintk(msg...)         do {                    \
  74         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  75 } while (0)
  76
  77 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  78
  79 #define SONY_NC_CLASS           "sony-nc"
  80 #define SONY_NC_HID             "SNY5001"
  81 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  82
  83 #define SONY_PIC_CLASS          "sony-pic"
  84 #define SONY_PIC_HID            "SNY6001"
  85 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  86
  87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  89 MODULE_LICENSE("GPL");
  90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  91
  92 static int debug;
  93 module_param(debug, int, 0);
  94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  95                  "the development of this driver");
  96
  97 static int no_spic;             /* = 0 */
  98 module_param(no_spic, int, 0444);
  99 MODULE_PARM_DESC(no_spic,
 100                  "set this if you don't want to enable the SPIC device");
 101
 102 static int compat;              /* = 0 */
 103 module_param(compat, int, 0444);
 104 MODULE_PARM_DESC(compat,
 105                  "set this if you want to enable backward compatibility mode");
 106
 107 static unsigned long mask = 0xffffffff;
 108 module_param(mask, ulong, 0644);
 109 MODULE_PARM_DESC(mask,
 110                  "set this to the mask of event you want to enable (see doc)");
 111
 112 static int camera;              /* = 0 */
 113 module_param(camera, int, 0444);
 114 MODULE_PARM_DESC(camera,
 115                  "set this to 1 to enable Motion Eye camera controls "
 116                  "(only use it if you have a C1VE or C1VN model)");
 117
 118 #ifdef CONFIG_SONYPI_COMPAT
 119 static int minor = -1;
 120 module_param(minor, int, 0);
 121 MODULE_PARM_DESC(minor,
 122                  "minor number of the misc device for the SPIC compatibility code, "
 123                  "default is -1 (automatic)");
 124 #endif
 125
 126 enum sony_nc_rfkill {
 127         SONY_WIFI,
 128         SONY_BLUETOOTH,
 129         SONY_WWAN,
 130         SONY_WIMAX,
 131         N_SONY_RFKILL,
 132 };
 133
 134 static int sony_rfkill_handle;
 135 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 136 static int sony_rfkill_address[N_SONY_RFKILL] = {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 timer_list       release_key_timer;
 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         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 237 };
 238
 239 static int sony_laptop_input_keycode_map[] = {
 240         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 241         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 242         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 243         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 244         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 245         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 246         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 247         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 248         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 249         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 250         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 251         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 252         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 253         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 254         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 255         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 256         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 257         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 258         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 259         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 260         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 261         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 262         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 263         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 264         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 265         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 266         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 267         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 268         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 269         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 270         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 271         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 272         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 273         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 274         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 275         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 276         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 277         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 278         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 279         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 280         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 281         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 282         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 283         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 284         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 285         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 286         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 287         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 288         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 289         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 290         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 291         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 292         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 293         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 294         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 295         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 296         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 297         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 298         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 299 };
 300
 301 /* release buttons after a short delay if pressed */
 302 static void do_sony_laptop_release_key(unsigned long unused)
 303 {
 304         struct sony_laptop_keypress kp;
 305         unsigned long flags;
 306
 307         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 308
 309         if (kfifo_out(&sony_laptop_input.fifo,
 310                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 311                 input_report_key(kp.dev, kp.key, 0);
 312                 input_sync(kp.dev);
 313         }
 314
 315         /* If there is something in the fifo schedule next release. */
 316         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 317                 mod_timer(&sony_laptop_input.release_key_timer,
 318                           jiffies + msecs_to_jiffies(10));
 319
 320         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 321 }
 322
 323 /* forward event to the input subsystem */
 324 static void sony_laptop_report_input_event(u8 event)
 325 {
 326         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 327         struct input_dev *key_dev = sony_laptop_input.key_dev;
 328         struct sony_laptop_keypress kp = { NULL };
 329
 330         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 331                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 332                 /* Nothing, not all VAIOs generate this event */
 333                 return;
 334         }
 335
 336         /* report events */
 337         switch (event) {
 338         /* jog_dev events */
 339         case SONYPI_EVENT_JOGDIAL_UP:
 340         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 341                 input_report_rel(jog_dev, REL_WHEEL, 1);
 342                 input_sync(jog_dev);
 343                 return;
 344
 345         case SONYPI_EVENT_JOGDIAL_DOWN:
 346         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 347                 input_report_rel(jog_dev, REL_WHEEL, -1);
 348                 input_sync(jog_dev);
 349                 return;
 350
 351         /* key_dev events */
 352         case SONYPI_EVENT_JOGDIAL_PRESSED:
 353                 kp.key = BTN_MIDDLE;
 354                 kp.dev = jog_dev;
 355                 break;
 356
 357         default:
 358                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 359                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 360                         break;
 361                 }
 362                 if (sony_laptop_input_index[event] != -1) {
 363                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 364                         if (kp.key != KEY_UNKNOWN)
 365                                 kp.dev = key_dev;
 366                 }
 367                 break;
 368         }
 369
 370         if (kp.dev) {
 371                 input_report_key(kp.dev, kp.key, 1);
 372                 /* we emit the scancode so we can always remap the key */
 373                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 374                 input_sync(kp.dev);
 375
 376                 /* schedule key release */
 377                 kfifo_in_locked(&sony_laptop_input.fifo,
 378                                 (unsigned char *)&kp, sizeof(kp),
 379                                 &sony_laptop_input.fifo_lock);
 380                 mod_timer(&sony_laptop_input.release_key_timer,
 381                           jiffies + msecs_to_jiffies(10));
 382         } else
 383                 dprintk("unknown input event %.2x\n", event);
 384 }
 385
 386 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 387 {
 388         struct input_dev *jog_dev;
 389         struct input_dev *key_dev;
 390         int i;
 391         int error;
 392
 393         /* don't run again if already initialized */
 394         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 395                 return 0;
 396
 397         /* kfifo */
 398         spin_lock_init(&sony_laptop_input.fifo_lock);
 399         error = kfifo_alloc(&sony_laptop_input.fifo,
 400                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 401         if (error) {
 402                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 403                 goto err_dec_users;
 404         }
 405
 406         setup_timer(&sony_laptop_input.release_key_timer,
 407                     do_sony_laptop_release_key, 0);
 408
 409         /* input keys */
 410         key_dev = input_allocate_device();
 411         if (!key_dev) {
 412                 error = -ENOMEM;
 413                 goto err_free_kfifo;
 414         }
 415
 416         key_dev->name = "Sony Vaio Keys";
 417         key_dev->id.bustype = BUS_ISA;
 418         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 419         key_dev->dev.parent = &acpi_device->dev;
 420
 421         /* Initialize the Input Drivers: special keys */
 422         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 423
 424         __set_bit(EV_KEY, key_dev->evbit);
 425         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 426         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 427         key_dev->keycode = &sony_laptop_input_keycode_map;
 428         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 429                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 430         __clear_bit(KEY_RESERVED, key_dev->keybit);
 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         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 451         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 452
 453         error = input_register_device(jog_dev);
 454         if (error)
 455                 goto err_free_jogdev;
 456
 457         sony_laptop_input.jog_dev = jog_dev;
 458
 459         return 0;
 460
 461 err_free_jogdev:
 462         input_free_device(jog_dev);
 463
 464 err_unregister_keydev:
 465         input_unregister_device(key_dev);
 466         /* to avoid kref underflow below at input_free_device */
 467         key_dev = NULL;
 468
 469 err_free_keydev:
 470         input_free_device(key_dev);
 471
 472 err_free_kfifo:
 473         kfifo_free(&sony_laptop_input.fifo);
 474
 475 err_dec_users:
 476         atomic_dec(&sony_laptop_input.users);
 477         return error;
 478 }
 479
 480 static void sony_laptop_remove_input(void)
 481 {
 482         struct sony_laptop_keypress kp = { NULL };
 483
 484         /* Cleanup only after the last user has gone */
 485         if (!atomic_dec_and_test(&sony_laptop_input.users))
 486                 return;
 487
 488         del_timer_sync(&sony_laptop_input.release_key_timer);
 489
 490         /*
 491          * Generate key-up events for remaining keys. Note that we don't
 492          * need locking since nobody is adding new events to the kfifo.
 493          */
 494         while (kfifo_out(&sony_laptop_input.fifo,
 495                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 496                 input_report_key(kp.dev, kp.key, 0);
 497                 input_sync(kp.dev);
 498         }
 499
 500         /* destroy input devs */
 501         input_unregister_device(sony_laptop_input.key_dev);
 502         sony_laptop_input.key_dev = NULL;
 503
 504         if (sony_laptop_input.jog_dev) {
 505                 input_unregister_device(sony_laptop_input.jog_dev);
 506                 sony_laptop_input.jog_dev = NULL;
 507         }
 508
 509         kfifo_free(&sony_laptop_input.fifo);
 510 }
 511
 512 /*********** Platform Device ***********/
 513
 514 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 515 static struct platform_driver sony_pf_driver = {
 516         .driver = {
 517                    .name = "sony-laptop",
 518                    .owner = THIS_MODULE,
 519                    }
 520 };
 521 static struct platform_device *sony_pf_device;
 522
 523 static int sony_pf_add(void)
 524 {
 525         int ret = 0;
 526
 527         /* don't run again if already initialized */
 528         if (atomic_add_return(1, &sony_pf_users) > 1)
 529                 return 0;
 530
 531         ret = platform_driver_register(&sony_pf_driver);
 532         if (ret)
 533                 goto out;
 534
 535         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 536         if (!sony_pf_device) {
 537                 ret = -ENOMEM;
 538                 goto out_platform_registered;
 539         }
 540
 541         ret = platform_device_add(sony_pf_device);
 542         if (ret)
 543                 goto out_platform_alloced;
 544
 545         return 0;
 546
 547       out_platform_alloced:
 548         platform_device_put(sony_pf_device);
 549         sony_pf_device = NULL;
 550       out_platform_registered:
 551         platform_driver_unregister(&sony_pf_driver);
 552       out:
 553         atomic_dec(&sony_pf_users);
 554         return ret;
 555 }
 556
 557 static void sony_pf_remove(void)
 558 {
 559         /* deregister only after the last user has gone */
 560         if (!atomic_dec_and_test(&sony_pf_users))
 561                 return;
 562
 563         platform_device_del(sony_pf_device);
 564         platform_device_put(sony_pf_device);
 565         platform_driver_unregister(&sony_pf_driver);
 566 }
 567
 568 /*********** SNC (SNY5001) Device ***********/
 569
 570 /* the device uses 1-based values, while the backlight subsystem uses
 571    0-based values */
 572 #define SONY_MAX_BRIGHTNESS     8
 573
 574 #define SNC_VALIDATE_IN         0
 575 #define SNC_VALIDATE_OUT        1
 576
 577 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 578                               char *);
 579 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 580                                const char *, size_t);
 581 static int boolean_validate(const int, const int);
 582 static int brightness_default_validate(const int, const int);
 583
 584 struct sony_nc_value {
 585         char *name;             /* name of the entry */
 586         char **acpiget;         /* names of the ACPI get function */
 587         char **acpiset;         /* names of the ACPI set function */
 588         int (*validate)(const int, const int);  /* input/output validation */
 589         int value;              /* current setting */
 590         int valid;              /* Has ever been set */
 591         int debug;              /* active only in debug mode ? */
 592         struct device_attribute devattr;        /* sysfs atribute */
 593 };
 594
 595 #define SNC_HANDLE_NAMES(_name, _values...) \
 596         static char *snc_##_name[] = { _values, NULL }
 597
 598 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 599         { \
 600                 .name           = __stringify(_name), \
 601                 .acpiget        = _getters, \
 602                 .acpiset        = _setters, \
 603                 .validate       = _validate, \
 604                 .debug          = _debug, \
 605                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 606         }
 607
 608 #define SNC_HANDLE_NULL { .name = NULL }
 609
 610 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 611
 612 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 613 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 614
 615 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 616 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 617
 618 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 619 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 620
 621 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 622 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 623
 624 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 625
 626 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 627 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 628
 629 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 630 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 631
 632 SNC_HANDLE_NAMES(PID_get, "GPID");
 633
 634 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 635 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 636
 637 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 638 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 639
 640 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 641 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 642
 643 static struct sony_nc_value sony_nc_values[] = {
 644         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 645                         snc_brightness_def_set, brightness_default_validate, 0),
 646         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 647         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 648         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 649                         boolean_validate, 0),
 650         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 651                         boolean_validate, 1),
 652         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 653                         boolean_validate, 0),
 654         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 655                         boolean_validate, 0),
 656         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 657                         boolean_validate, 0),
 658         /* unknown methods */
 659         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 660         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 661         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 662         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 663         SNC_HANDLE_NULL
 664 };
 665
 666 static acpi_handle sony_nc_acpi_handle;
 667 static struct acpi_device *sony_nc_acpi_device = NULL;
 668
 669 /*
 670  * acpi_evaluate_object wrappers
 671  */
 672 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 673 {
 674         struct acpi_buffer output;
 675         union acpi_object out_obj;
 676         acpi_status status;
 677
 678         output.length = sizeof(out_obj);
 679         output.pointer = &out_obj;
 680
 681         status = acpi_evaluate_object(handle, name, NULL, &output);
 682         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 683                 *result = out_obj.integer.value;
 684                 return 0;
 685         }
 686
 687         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 688
 689         return -1;
 690 }
 691
 692 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 693                             int *result)
 694 {
 695         struct acpi_object_list params;
 696         union acpi_object in_obj;
 697         struct acpi_buffer output;
 698         union acpi_object out_obj;
 699         acpi_status status;
 700
 701         params.count = 1;
 702         params.pointer = &in_obj;
 703         in_obj.type = ACPI_TYPE_INTEGER;
 704         in_obj.integer.value = value;
 705
 706         output.length = sizeof(out_obj);
 707         output.pointer = &out_obj;
 708
 709         status = acpi_evaluate_object(handle, name, &params, &output);
 710         if (status == AE_OK) {
 711                 if (result != NULL) {
 712                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 713                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 714                                        "return type\n");
 715                                 return -1;
 716                         }
 717                         *result = out_obj.integer.value;
 718                 }
 719                 return 0;
 720         }
 721
 722         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 723
 724         return -1;
 725 }
 726
 727 static int sony_find_snc_handle(int handle)
 728 {
 729         int i;
 730         int result;
 731
 732         for (i = 0x20; i < 0x30; i++) {
 733                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 734                 if (result == handle)
 735                         return i-0x20;
 736         }
 737
 738         return -1;
 739 }
 740
 741 static int sony_call_snc_handle(int handle, int argument, int *result)
 742 {
 743         int offset = sony_find_snc_handle(handle);
 744
 745         if (offset < 0)
 746                 return -1;
 747
 748         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 749                                 result);
 750 }
 751
 752 /*
 753  * sony_nc_values input/output validate functions
 754  */
 755
 756 /* brightness_default_validate:
 757  *
 758  * manipulate input output values to keep consistency with the
 759  * backlight framework for which brightness values are 0-based.
 760  */
 761 static int brightness_default_validate(const int direction, const int value)
 762 {
 763         switch (direction) {
 764                 case SNC_VALIDATE_OUT:
 765                         return value - 1;
 766                 case SNC_VALIDATE_IN:
 767                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 768                                 return value + 1;
 769         }
 770         return -EINVAL;
 771 }
 772
 773 /* boolean_validate:
 774  *
 775  * on input validate boolean values 0/1, on output just pass the
 776  * received value.
 777  */
 778 static int boolean_validate(const int direction, const int value)
 779 {
 780         if (direction == SNC_VALIDATE_IN) {
 781                 if (value != 0 && value != 1)
 782                         return -EINVAL;
 783         }
 784         return value;
 785 }
 786
 787 /*
 788  * Sysfs show/store common to all sony_nc_values
 789  */
 790 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 791                               char *buffer)
 792 {
 793         int value;
 794         struct sony_nc_value *item =
 795             container_of(attr, struct sony_nc_value, devattr);
 796
 797         if (!*item->acpiget)
 798                 return -EIO;
 799
 800         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 801                 return -EIO;
 802
 803         if (item->validate)
 804                 value = item->validate(SNC_VALIDATE_OUT, value);
 805
 806         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 807 }
 808
 809 static ssize_t sony_nc_sysfs_store(struct device *dev,
 810                                struct device_attribute *attr,
 811                                const char *buffer, size_t count)
 812 {
 813         int value;
 814         struct sony_nc_value *item =
 815             container_of(attr, struct sony_nc_value, devattr);
 816
 817         if (!item->acpiset)
 818                 return -EIO;
 819
 820         if (count > 31)
 821                 return -EINVAL;
 822
 823         value = simple_strtoul(buffer, NULL, 10);
 824
 825         if (item->validate)
 826                 value = item->validate(SNC_VALIDATE_IN, value);
 827
 828         if (value < 0)
 829                 return value;
 830
 831         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 832                 return -EIO;
 833         item->value = value;
 834         item->valid = 1;
 835         return count;
 836 }
 837
 838
 839 /*
 840  * Backlight device
 841  */
 842 static int sony_backlight_update_status(struct backlight_device *bd)
 843 {
 844         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 845                                 bd->props.brightness + 1, NULL);
 846 }
 847
 848 static int sony_backlight_get_brightness(struct backlight_device *bd)
 849 {
 850         int value;
 851
 852         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 853                 return 0;
 854         /* brightness levels are 1-based, while backlight ones are 0-based */
 855         return value - 1;
 856 }
 857
 858 static struct backlight_device *sony_backlight_device;
 859 static struct backlight_ops sony_backlight_ops = {
 860         .update_status = sony_backlight_update_status,
 861         .get_brightness = sony_backlight_get_brightness,
 862 };
 863
 864 /*
 865  * New SNC-only Vaios event mapping to driver known keys
 866  */
 867 struct sony_nc_event {
 868         u8      data;
 869         u8      event;
 870 };
 871
 872 static struct sony_nc_event sony_100_events[] = {
 873         { 0x90, SONYPI_EVENT_PKEY_P1 },
 874         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 875         { 0x91, SONYPI_EVENT_PKEY_P2 },
 876         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 877         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 878         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 879         { 0x82, SONYPI_EVENT_FNKEY_F2 },
 880         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
 881         { 0x83, SONYPI_EVENT_FNKEY_F3 },
 882         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
 883         { 0x84, SONYPI_EVENT_FNKEY_F4 },
 884         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
 885         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 886         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 887         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 888         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 889         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 890         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 891         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 892         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 893         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 894         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 895         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 896         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 897         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 898         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 899         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
 900         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
 901         { 0, 0 },
 902 };
 903
 904 static struct sony_nc_event sony_127_events[] = {
 905         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 906         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 907         { 0x82, SONYPI_EVENT_PKEY_P1 },
 908         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 909         { 0x83, SONYPI_EVENT_PKEY_P2 },
 910         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 911         { 0x84, SONYPI_EVENT_PKEY_P3 },
 912         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 913         { 0x85, SONYPI_EVENT_PKEY_P4 },
 914         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 915         { 0x86, SONYPI_EVENT_PKEY_P5 },
 916         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 917         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 918         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 919         { 0, 0 },
 920 };
 921
 922 /*
 923  * ACPI callbacks
 924  */
 925 static void sony_nc_notify(struct acpi_device *device, u32 event)
 926 {
 927         u32 ev = event;
 928
 929         if (ev >= 0x90) {
 930                 /* New-style event */
 931                 int result;
 932                 int key_handle = 0;
 933                 ev -= 0x90;
 934
 935                 if (sony_find_snc_handle(0x100) == ev)
 936                         key_handle = 0x100;
 937                 if (sony_find_snc_handle(0x127) == ev)
 938                         key_handle = 0x127;
 939
 940                 if (key_handle) {
 941                         struct sony_nc_event *key_event;
 942
 943                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
 944                                 dprintk("sony_nc_notify, unable to decode"
 945                                         " event 0x%.2x 0x%.2x\n", key_handle,
 946                                         ev);
 947                                 /* restore the original event */
 948                                 ev = event;
 949                         } else {
 950                                 ev = result & 0xFF;
 951
 952                                 if (key_handle == 0x100)
 953                                         key_event = sony_100_events;
 954                                 else
 955                                         key_event = sony_127_events;
 956
 957                                 for (; key_event->data; key_event++) {
 958                                         if (key_event->data == ev) {
 959                                                 ev = key_event->event;
 960                                                 break;
 961                                         }
 962                                 }
 963
 964                                 if (!key_event->data)
 965                                         printk(KERN_INFO DRV_PFX
 966                                                         "Unknown event: 0x%x 0x%x\n",
 967                                                         key_handle,
 968                                                         ev);
 969                                 else
 970                                         sony_laptop_report_input_event(ev);
 971                         }
 972                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
 973                         sony_nc_rfkill_update();
 974                         return;
 975                 }
 976         } else
 977                 sony_laptop_report_input_event(ev);
 978
 979         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
 980         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 981 }
 982
 983 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 984                                       void *context, void **return_value)
 985 {
 986         struct acpi_device_info *info;
 987
 988         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
 989                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 990                         (char *)&info->name, info->param_count);
 991
 992                 kfree(info);
 993         }
 994
 995         return AE_OK;
 996 }
 997
 998 /*
 999  * ACPI device
1000  */
1001 static int sony_nc_function_setup(struct acpi_device *device)
1002 {
1003         int result;
1004
1005         /* Enable all events */
1006         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1007
1008         /* Setup hotkeys */
1009         sony_call_snc_handle(0x0100, 0, &result);
1010         sony_call_snc_handle(0x0101, 0, &result);
1011         sony_call_snc_handle(0x0102, 0x100, &result);
1012         sony_call_snc_handle(0x0127, 0, &result);
1013
1014         return 0;
1015 }
1016
1017 static int sony_nc_resume(struct acpi_device *device)
1018 {
1019         struct sony_nc_value *item;
1020         acpi_handle handle;
1021
1022         for (item = sony_nc_values; item->name; item++) {
1023                 int ret;
1024
1025                 if (!item->valid)
1026                         continue;
1027                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1028                                        item->value, NULL);
1029                 if (ret < 0) {
1030                         printk("%s: %d\n", __func__, ret);
1031                         break;
1032                 }
1033         }
1034
1035         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1036                                          &handle))) {
1037                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1038                         dprintk("ECON Method failed\n");
1039         }
1040
1041         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1042                                          &handle))) {
1043                 dprintk("Doing SNC setup\n");
1044                 sony_nc_function_setup(device);
1045         }
1046
1047         /* set the last requested brightness level */
1048         if (sony_backlight_device &&
1049                         sony_backlight_update_status(sony_backlight_device) < 0)
1050                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1051
1052         /* re-read rfkill state */
1053         sony_nc_rfkill_update();
1054
1055         return 0;
1056 }
1057
1058 static void sony_nc_rfkill_cleanup(void)
1059 {
1060         int i;
1061
1062         for (i = 0; i < N_SONY_RFKILL; i++) {
1063                 if (sony_rfkill_devices[i]) {
1064                         rfkill_unregister(sony_rfkill_devices[i]);
1065                         rfkill_destroy(sony_rfkill_devices[i]);
1066                 }
1067         }
1068 }
1069
1070 static int sony_nc_rfkill_set(void *data, bool blocked)
1071 {
1072         int result;
1073         int argument = sony_rfkill_address[(long) data] + 0x100;
1074
1075         if (!blocked)
1076                 argument |= 0xff0000;
1077
1078         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1079 }
1080
1081 static const struct rfkill_ops sony_rfkill_ops = {
1082         .set_block = sony_nc_rfkill_set,
1083 };
1084
1085 static int sony_nc_setup_rfkill(struct acpi_device *device,
1086                                 enum sony_nc_rfkill nc_type)
1087 {
1088         int err = 0;
1089         struct rfkill *rfk;
1090         enum rfkill_type type;
1091         const char *name;
1092         int result;
1093         bool hwblock;
1094
1095         switch (nc_type) {
1096         case SONY_WIFI:
1097                 type = RFKILL_TYPE_WLAN;
1098                 name = "sony-wifi";
1099                 break;
1100         case SONY_BLUETOOTH:
1101                 type = RFKILL_TYPE_BLUETOOTH;
1102                 name = "sony-bluetooth";
1103                 break;
1104         case SONY_WWAN:
1105                 type = RFKILL_TYPE_WWAN;
1106                 name = "sony-wwan";
1107                 break;
1108         case SONY_WIMAX:
1109                 type = RFKILL_TYPE_WIMAX;
1110                 name = "sony-wimax";
1111                 break;
1112         default:
1113                 return -EINVAL;
1114         }
1115
1116         rfk = rfkill_alloc(name, &device->dev, type,
1117                            &sony_rfkill_ops, (void *)nc_type);
1118         if (!rfk)
1119                 return -ENOMEM;
1120
1121         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1122         hwblock = !(result & 0x1);
1123         rfkill_set_hw_state(rfk, hwblock);
1124
1125         err = rfkill_register(rfk);
1126         if (err) {
1127                 rfkill_destroy(rfk);
1128                 return err;
1129         }
1130         sony_rfkill_devices[nc_type] = rfk;
1131         return err;
1132 }
1133
1134 static void sony_nc_rfkill_update()
1135 {
1136         enum sony_nc_rfkill i;
1137         int result;
1138         bool hwblock;
1139
1140         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1141         hwblock = !(result & 0x1);
1142
1143         for (i = 0; i < N_SONY_RFKILL; i++) {
1144                 int argument = sony_rfkill_address[i];
1145
1146                 if (!sony_rfkill_devices[i])
1147                         continue;
1148
1149                 if (hwblock) {
1150                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1151                                 /* we already know we're blocked */
1152                         }
1153                         continue;
1154                 }
1155
1156                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1157                 rfkill_set_states(sony_rfkill_devices[i],
1158                                   !(result & 0xf), false);
1159         }
1160 }
1161
1162 static void sony_nc_rfkill_setup(struct acpi_device *device)
1163 {
1164         int offset;
1165         u8 dev_code, i;
1166         acpi_status status;
1167         struct acpi_object_list params;
1168         union acpi_object in_obj;
1169         union acpi_object *device_enum;
1170         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1171
1172         offset = sony_find_snc_handle(0x124);
1173         if (offset == -1) {
1174                 offset = sony_find_snc_handle(0x135);
1175                 if (offset == -1)
1176                         return;
1177                 else
1178                         sony_rfkill_handle = 0x135;
1179         } else
1180                 sony_rfkill_handle = 0x124;
1181         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1182
1183         /* need to read the whole buffer returned by the acpi call to SN06
1184          * here otherwise we may miss some features
1185          */
1186         params.count = 1;
1187         params.pointer = &in_obj;
1188         in_obj.type = ACPI_TYPE_INTEGER;
1189         in_obj.integer.value = offset;
1190         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1191                         &buffer);
1192         if (ACPI_FAILURE(status)) {
1193                 dprintk("Radio device enumeration failed\n");
1194                 return;
1195         }
1196
1197         device_enum = (union acpi_object *) buffer.pointer;
1198         if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1199                 printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n",
1200                                 device_enum->type);
1201                 goto out_no_enum;
1202         }
1203
1204         /* the buffer is filled with magic numbers describing the devices
1205          * available, 0xff terminates the enumeration
1206          */
1207         for (i = 0; i < device_enum->buffer.length; i++) {
1208
1209                 dev_code = *(device_enum->buffer.pointer + i);
1210                 if (dev_code == 0xff)
1211                         break;
1212
1213                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1214
1215                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1216                         sony_nc_setup_rfkill(device, SONY_WIFI);
1217
1218                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1219                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1220
1221                 if ((0xf0 & dev_code) == 0x20 &&
1222                                 !sony_rfkill_devices[SONY_WWAN])
1223                         sony_nc_setup_rfkill(device, SONY_WWAN);
1224
1225                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1226                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1227         }
1228
1229 out_no_enum:
1230         kfree(buffer.pointer);
1231         return;
1232 }
1233
1234 static int sony_nc_add(struct acpi_device *device)
1235 {
1236         acpi_status status;
1237         int result = 0;
1238         acpi_handle handle;
1239         struct sony_nc_value *item;
1240
1241         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1242                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1243
1244         sony_nc_acpi_device = device;
1245         strcpy(acpi_device_class(device), "sony/hotkey");
1246
1247         sony_nc_acpi_handle = device->handle;
1248
1249         /* read device status */
1250         result = acpi_bus_get_status(device);
1251         /* bail IFF the above call was successful and the device is not present */
1252         if (!result && !device->status.present) {
1253                 dprintk("Device not present\n");
1254                 result = -ENODEV;
1255                 goto outwalk;
1256         }
1257
1258         if (debug) {
1259                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1260                                              1, sony_walk_callback, NULL, NULL, NULL);
1261                 if (ACPI_FAILURE(status)) {
1262                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1263                         result = -ENODEV;
1264                         goto outwalk;
1265                 }
1266         }
1267
1268         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1269                                          &handle))) {
1270                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1271                         dprintk("ECON Method failed\n");
1272         }
1273
1274         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1275                                          &handle))) {
1276                 dprintk("Doing SNC setup\n");
1277                 sony_nc_function_setup(device);
1278                 sony_nc_rfkill_setup(device);
1279         }
1280
1281         /* setup input devices and helper fifo */
1282         result = sony_laptop_setup_input(device);
1283         if (result) {
1284                 printk(KERN_ERR DRV_PFX
1285                                 "Unable to create input devices.\n");
1286                 goto outwalk;
1287         }
1288
1289         if (acpi_video_backlight_support()) {
1290                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1291                        "controlled by ACPI video driver\n");
1292         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1293                                                 &handle))) {
1294                 sony_backlight_device = backlight_device_register("sony", NULL,
1295                                                                   NULL,
1296                                                                   &sony_backlight_ops);
1297
1298                 if (IS_ERR(sony_backlight_device)) {
1299                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1300                         sony_backlight_device = NULL;
1301                 } else {
1302                         sony_backlight_device->props.brightness =
1303                             sony_backlight_get_brightness
1304                             (sony_backlight_device);
1305                         sony_backlight_device->props.max_brightness =
1306                             SONY_MAX_BRIGHTNESS - 1;
1307                 }
1308
1309         }
1310
1311         result = sony_pf_add();
1312         if (result)
1313                 goto outbacklight;
1314
1315         /* create sony_pf sysfs attributes related to the SNC device */
1316         for (item = sony_nc_values; item->name; ++item) {
1317
1318                 if (!debug && item->debug)
1319                         continue;
1320
1321                 /* find the available acpiget as described in the DSDT */
1322                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1323                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1324                                                          *item->acpiget,
1325                                                          &handle))) {
1326                                 dprintk("Found %s getter: %s\n",
1327                                                 item->name, *item->acpiget);
1328                                 item->devattr.attr.mode |= S_IRUGO;
1329                                 break;
1330                         }
1331                 }
1332
1333                 /* find the available acpiset as described in the DSDT */
1334                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1335                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1336                                                          *item->acpiset,
1337                                                          &handle))) {
1338                                 dprintk("Found %s setter: %s\n",
1339                                                 item->name, *item->acpiset);
1340                                 item->devattr.attr.mode |= S_IWUSR;
1341                                 break;
1342                         }
1343                 }
1344
1345                 if (item->devattr.attr.mode != 0) {
1346                         result =
1347                             device_create_file(&sony_pf_device->dev,
1348                                                &item->devattr);
1349                         if (result)
1350                                 goto out_sysfs;
1351                 }
1352         }
1353
1354         return 0;
1355
1356       out_sysfs:
1357         for (item = sony_nc_values; item->name; ++item) {
1358                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1359         }
1360         sony_pf_remove();
1361
1362       outbacklight:
1363         if (sony_backlight_device)
1364                 backlight_device_unregister(sony_backlight_device);
1365
1366         sony_laptop_remove_input();
1367
1368       outwalk:
1369         sony_nc_rfkill_cleanup();
1370         return result;
1371 }
1372
1373 static int sony_nc_remove(struct acpi_device *device, int type)
1374 {
1375         struct sony_nc_value *item;
1376
1377         if (sony_backlight_device)
1378                 backlight_device_unregister(sony_backlight_device);
1379
1380         sony_nc_acpi_device = NULL;
1381
1382         for (item = sony_nc_values; item->name; ++item) {
1383                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1384         }
1385
1386         sony_pf_remove();
1387         sony_laptop_remove_input();
1388         sony_nc_rfkill_cleanup();
1389         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1390
1391         return 0;
1392 }
1393
1394 static const struct acpi_device_id sony_device_ids[] = {
1395         {SONY_NC_HID, 0},
1396         {SONY_PIC_HID, 0},
1397         {"", 0},
1398 };
1399 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1400
1401 static const struct acpi_device_id sony_nc_device_ids[] = {
1402         {SONY_NC_HID, 0},
1403         {"", 0},
1404 };
1405
1406 static struct acpi_driver sony_nc_driver = {
1407         .name = SONY_NC_DRIVER_NAME,
1408         .class = SONY_NC_CLASS,
1409         .ids = sony_nc_device_ids,
1410         .owner = THIS_MODULE,
1411         .ops = {
1412                 .add = sony_nc_add,
1413                 .remove = sony_nc_remove,
1414                 .resume = sony_nc_resume,
1415                 .notify = sony_nc_notify,
1416                 },
1417 };
1418
1419 /*********** SPIC (SNY6001) Device ***********/
1420
1421 #define SONYPI_DEVICE_TYPE1     0x00000001
1422 #define SONYPI_DEVICE_TYPE2     0x00000002
1423 #define SONYPI_DEVICE_TYPE3     0x00000004
1424 #define SONYPI_DEVICE_TYPE4     0x00000008
1425
1426 #define SONYPI_TYPE1_OFFSET     0x04
1427 #define SONYPI_TYPE2_OFFSET     0x12
1428 #define SONYPI_TYPE3_OFFSET     0x12
1429
1430 struct sony_pic_ioport {
1431         struct acpi_resource_io io1;
1432         struct acpi_resource_io io2;
1433         struct list_head        list;
1434 };
1435
1436 struct sony_pic_irq {
1437         struct acpi_resource_irq        irq;
1438         struct list_head                list;
1439 };
1440
1441 struct sonypi_eventtypes {
1442         u8                      data;
1443         unsigned long           mask;
1444         struct sonypi_event     *events;
1445 };
1446
1447 struct sony_pic_dev {
1448         struct acpi_device              *acpi_dev;
1449         struct sony_pic_irq             *cur_irq;
1450         struct sony_pic_ioport          *cur_ioport;
1451         struct list_head                interrupts;
1452         struct list_head                ioports;
1453         struct mutex                    lock;
1454         struct sonypi_eventtypes        *event_types;
1455         int                             (*handle_irq)(const u8, const u8);
1456         int                             model;
1457         u16                             evport_offset;
1458         u8                              camera_power;
1459         u8                              bluetooth_power;
1460         u8                              wwan_power;
1461 };
1462
1463 static struct sony_pic_dev spic_dev = {
1464         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1465         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1466 };
1467
1468 static int spic_drv_registered;
1469
1470 /* Event masks */
1471 #define SONYPI_JOGGER_MASK                      0x00000001
1472 #define SONYPI_CAPTURE_MASK                     0x00000002
1473 #define SONYPI_FNKEY_MASK                       0x00000004
1474 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1475 #define SONYPI_PKEY_MASK                        0x00000010
1476 #define SONYPI_BACK_MASK                        0x00000020
1477 #define SONYPI_HELP_MASK                        0x00000040
1478 #define SONYPI_LID_MASK                         0x00000080
1479 #define SONYPI_ZOOM_MASK                        0x00000100
1480 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1481 #define SONYPI_MEYE_MASK                        0x00000400
1482 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1483 #define SONYPI_BATTERY_MASK                     0x00001000
1484 #define SONYPI_WIRELESS_MASK                    0x00002000
1485
1486 struct sonypi_event {
1487         u8      data;
1488         u8      event;
1489 };
1490
1491 /* The set of possible button release events */
1492 static struct sonypi_event sonypi_releaseev[] = {
1493         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1494         { 0, 0 }
1495 };
1496
1497 /* The set of possible jogger events  */
1498 static struct sonypi_event sonypi_joggerev[] = {
1499         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1500         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1501         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1502         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1503         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1504         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1505         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1506         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1507         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1508         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1509         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1510         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1511         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1512         { 0, 0 }
1513 };
1514
1515 /* The set of possible capture button events */
1516 static struct sonypi_event sonypi_captureev[] = {
1517         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1518         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1519         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1520         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1521         { 0, 0 }
1522 };
1523
1524 /* The set of possible fnkeys events */
1525 static struct sonypi_event sonypi_fnkeyev[] = {
1526         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1527         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1528         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1529         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1530         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1531         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1532         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1533         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1534         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1535         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1536         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1537         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1538         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1539         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1540         { 0x21, SONYPI_EVENT_FNKEY_1 },
1541         { 0x22, SONYPI_EVENT_FNKEY_2 },
1542         { 0x31, SONYPI_EVENT_FNKEY_D },
1543         { 0x32, SONYPI_EVENT_FNKEY_E },
1544         { 0x33, SONYPI_EVENT_FNKEY_F },
1545         { 0x34, SONYPI_EVENT_FNKEY_S },
1546         { 0x35, SONYPI_EVENT_FNKEY_B },
1547         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1548         { 0, 0 }
1549 };
1550
1551 /* The set of possible program key events */
1552 static struct sonypi_event sonypi_pkeyev[] = {
1553         { 0x01, SONYPI_EVENT_PKEY_P1 },
1554         { 0x02, SONYPI_EVENT_PKEY_P2 },
1555         { 0x04, SONYPI_EVENT_PKEY_P3 },
1556         { 0x20, SONYPI_EVENT_PKEY_P1 },
1557         { 0, 0 }
1558 };
1559
1560 /* The set of possible bluetooth events */
1561 static struct sonypi_event sonypi_blueev[] = {
1562         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1563         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1564         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1565         { 0, 0 }
1566 };
1567
1568 /* The set of possible wireless events */
1569 static struct sonypi_event sonypi_wlessev[] = {
1570         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1571         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1572         { 0, 0 }
1573 };
1574
1575 /* The set of possible back button events */
1576 static struct sonypi_event sonypi_backev[] = {
1577         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1578         { 0, 0 }
1579 };
1580
1581 /* The set of possible help button events */
1582 static struct sonypi_event sonypi_helpev[] = {
1583         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1584         { 0, 0 }
1585 };
1586
1587
1588 /* The set of possible lid events */
1589 static struct sonypi_event sonypi_lidev[] = {
1590         { 0x51, SONYPI_EVENT_LID_CLOSED },
1591         { 0x50, SONYPI_EVENT_LID_OPENED },
1592         { 0, 0 }
1593 };
1594
1595 /* The set of possible zoom events */
1596 static struct sonypi_event sonypi_zoomev[] = {
1597         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1598         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1599         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1600         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1601         { 0, 0 }
1602 };
1603
1604 /* The set of possible thumbphrase events */
1605 static struct sonypi_event sonypi_thumbphraseev[] = {
1606         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1607         { 0, 0 }
1608 };
1609
1610 /* The set of possible motioneye camera events */
1611 static struct sonypi_event sonypi_meyeev[] = {
1612         { 0x00, SONYPI_EVENT_MEYE_FACE },
1613         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1614         { 0, 0 }
1615 };
1616
1617 /* The set of possible memorystick events */
1618 static struct sonypi_event sonypi_memorystickev[] = {
1619         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1620         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1621         { 0, 0 }
1622 };
1623
1624 /* The set of possible battery events */
1625 static struct sonypi_event sonypi_batteryev[] = {
1626         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1627         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1628         { 0, 0 }
1629 };
1630
1631 /* The set of possible volume events */
1632 static struct sonypi_event sonypi_volumeev[] = {
1633         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1634         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1635         { 0, 0 }
1636 };
1637
1638 /* The set of possible brightness events */
1639 static struct sonypi_event sonypi_brightnessev[] = {
1640         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1641         { 0, 0 }
1642 };
1643
1644 static struct sonypi_eventtypes type1_events[] = {
1645         { 0, 0xffffffff, sonypi_releaseev },
1646         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1647         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1648         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1649         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1650         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1651         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1652         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1653         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1654         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1655         { 0 },
1656 };
1657 static struct sonypi_eventtypes type2_events[] = {
1658         { 0, 0xffffffff, sonypi_releaseev },
1659         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1660         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1661         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1662         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1663         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1664         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1665         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1666         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1667         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1668         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1669         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1670         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1671         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1672         { 0 },
1673 };
1674 static struct sonypi_eventtypes type3_events[] = {
1675         { 0, 0xffffffff, sonypi_releaseev },
1676         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1677         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1678         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1679         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1680         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1681         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1682         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1683         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1684         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1685         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1686         { 0 },
1687 };
1688
1689 /* low level spic calls */
1690 #define ITERATIONS_LONG         10000
1691 #define ITERATIONS_SHORT        10
1692 #define wait_on_command(command, iterations) {                          \
1693         unsigned int n = iterations;                                    \
1694         while (--n && (command))                                        \
1695                 udelay(1);                                              \
1696         if (!n)                                                         \
1697                 dprintk("command failed at %s : %s (line %d)\n",        \
1698                                 __FILE__, __func__, __LINE__);  \
1699 }
1700
1701 static u8 sony_pic_call1(u8 dev)
1702 {
1703         u8 v1, v2;
1704
1705         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1706                         ITERATIONS_LONG);
1707         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1708         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1709         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1710         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1711         return v2;
1712 }
1713
1714 static u8 sony_pic_call2(u8 dev, u8 fn)
1715 {
1716         u8 v1;
1717
1718         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1719                         ITERATIONS_LONG);
1720         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1721         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1722                         ITERATIONS_LONG);
1723         outb(fn, spic_dev.cur_ioport->io1.minimum);
1724         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1725         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1726         return v1;
1727 }
1728
1729 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1730 {
1731         u8 v1;
1732
1733         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1734         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1735         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1736         outb(fn, spic_dev.cur_ioport->io1.minimum);
1737         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1738         outb(v, spic_dev.cur_ioport->io1.minimum);
1739         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1740         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1741                         dev, fn, v, v1);
1742         return v1;
1743 }
1744
1745 /*
1746  * minidrivers for SPIC models
1747  */
1748 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1749 {
1750         /*
1751          * 0x31 could mean we have to take some extra action and wait for
1752          * the next irq for some Type3 models, it will generate a new
1753          * irq and we can read new data from the device:
1754          *  - 0x5c and 0x5f requires 0xA0
1755          *  - 0x61 requires 0xB3
1756          */
1757         if (data_mask == 0x31) {
1758                 if (ev == 0x5c || ev == 0x5f)
1759                         sony_pic_call1(0xA0);
1760                 else if (ev == 0x61)
1761                         sony_pic_call1(0xB3);
1762                 return 0;
1763         }
1764         return 1;
1765 }
1766
1767 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1768 {
1769         struct pci_dev *pcidev;
1770
1771         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1772                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1773         if (pcidev) {
1774                 dev->model = SONYPI_DEVICE_TYPE1;
1775                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1776                 dev->event_types = type1_events;
1777                 goto out;
1778         }
1779
1780         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1781                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1782         if (pcidev) {
1783                 dev->model = SONYPI_DEVICE_TYPE2;
1784                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1785                 dev->event_types = type2_events;
1786                 goto out;
1787         }
1788
1789         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1790                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1791         if (pcidev) {
1792                 dev->model = SONYPI_DEVICE_TYPE3;
1793                 dev->handle_irq = type3_handle_irq;
1794                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1795                 dev->event_types = type3_events;
1796                 goto out;
1797         }
1798
1799         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1800                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1801         if (pcidev) {
1802                 dev->model = SONYPI_DEVICE_TYPE3;
1803                 dev->handle_irq = type3_handle_irq;
1804                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1805                 dev->event_types = type3_events;
1806                 goto out;
1807         }
1808
1809         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1810                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1811         if (pcidev) {
1812                 dev->model = SONYPI_DEVICE_TYPE3;
1813                 dev->handle_irq = type3_handle_irq;
1814                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1815                 dev->event_types = type3_events;
1816                 goto out;
1817         }
1818
1819         /* default */
1820         dev->model = SONYPI_DEVICE_TYPE2;
1821         dev->evport_offset = SONYPI_TYPE2_OFFSET;
1822         dev->event_types = type2_events;
1823
1824 out:
1825         if (pcidev)
1826                 pci_dev_put(pcidev);
1827
1828         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1829                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1830                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1831 }
1832
1833 /* camera tests and poweron/poweroff */
1834 #define SONYPI_CAMERA_PICTURE           5
1835 #define SONYPI_CAMERA_CONTROL           0x10
1836
1837 #define SONYPI_CAMERA_BRIGHTNESS                0
1838 #define SONYPI_CAMERA_CONTRAST                  1
1839 #define SONYPI_CAMERA_HUE                       2
1840 #define SONYPI_CAMERA_COLOR                     3
1841 #define SONYPI_CAMERA_SHARPNESS                 4
1842
1843 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1844 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1845 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1846 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1847
1848 /* the rest don't need a loop until not 0xff */
1849 #define SONYPI_CAMERA_AGC                       6
1850 #define SONYPI_CAMERA_AGC_MASK                  0x30
1851 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1852
1853 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1854 #define SONYPI_CAMERA_CONTROL                   0x10
1855
1856 #define SONYPI_CAMERA_STATUS                    7
1857 #define SONYPI_CAMERA_STATUS_READY              0x2
1858 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1859
1860 #define SONYPI_DIRECTION_BACKWARDS              0x4
1861
1862 #define SONYPI_CAMERA_REVISION                  8
1863 #define SONYPI_CAMERA_ROMVERSION                9
1864
1865 static int __sony_pic_camera_ready(void)
1866 {
1867         u8 v;
1868
1869         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1870         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1871 }
1872
1873 static int __sony_pic_camera_off(void)
1874 {
1875         if (!camera) {
1876                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1877                 return -ENODEV;
1878         }
1879
1880         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1881                                 SONYPI_CAMERA_MUTE_MASK),
1882                         ITERATIONS_SHORT);
1883
1884         if (spic_dev.camera_power) {
1885                 sony_pic_call2(0x91, 0);
1886                 spic_dev.camera_power = 0;
1887         }
1888         return 0;
1889 }
1890
1891 static int __sony_pic_camera_on(void)
1892 {
1893         int i, j, x;
1894
1895         if (!camera) {
1896                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1897                 return -ENODEV;
1898         }
1899
1900         if (spic_dev.camera_power)
1901                 return 0;
1902
1903         for (j = 5; j > 0; j--) {
1904
1905                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1906                         msleep(10);
1907                 sony_pic_call1(0x93);
1908
1909                 for (i = 400; i > 0; i--) {
1910                         if (__sony_pic_camera_ready())
1911                                 break;
1912                         msleep(10);
1913                 }
1914                 if (i)
1915                         break;
1916         }
1917
1918         if (j == 0) {
1919                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1920                 return -ENODEV;
1921         }
1922
1923         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1924                                 0x5a),
1925                         ITERATIONS_SHORT);
1926
1927         spic_dev.camera_power = 1;
1928         return 0;
1929 }
1930
1931 /* External camera command (exported to the motion eye v4l driver) */
1932 int sony_pic_camera_command(int command, u8 value)
1933 {
1934         if (!camera)
1935                 return -EIO;
1936
1937         mutex_lock(&spic_dev.lock);
1938
1939         switch (command) {
1940         case SONY_PIC_COMMAND_SETCAMERA:
1941                 if (value)
1942                         __sony_pic_camera_on();
1943                 else
1944                         __sony_pic_camera_off();
1945                 break;
1946         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1947                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1948                                 ITERATIONS_SHORT);
1949                 break;
1950         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1951                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1952                                 ITERATIONS_SHORT);
1953                 break;
1954         case SONY_PIC_COMMAND_SETCAMERAHUE:
1955                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1956                                 ITERATIONS_SHORT);
1957                 break;
1958         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1959                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1960                                 ITERATIONS_SHORT);
1961                 break;
1962         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1963                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1964                                 ITERATIONS_SHORT);
1965                 break;
1966         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1967                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1968                                 ITERATIONS_SHORT);
1969                 break;
1970         case SONY_PIC_COMMAND_SETCAMERAAGC:
1971                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1972                                 ITERATIONS_SHORT);
1973                 break;
1974         default:
1975                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1976                        command);
1977                 break;
1978         }
1979         mutex_unlock(&spic_dev.lock);
1980         return 0;
1981 }
1982 EXPORT_SYMBOL(sony_pic_camera_command);
1983
1984 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1985 static void __sony_pic_set_wwanpower(u8 state)
1986 {
1987         state = !!state;
1988         if (spic_dev.wwan_power == state)
1989                 return;
1990         sony_pic_call2(0xB0, state);
1991         sony_pic_call1(0x82);
1992         spic_dev.wwan_power = state;
1993 }
1994
1995 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1996                 struct device_attribute *attr,
1997                 const char *buffer, size_t count)
1998 {
1999         unsigned long value;
2000         if (count > 31)
2001                 return -EINVAL;
2002
2003         value = simple_strtoul(buffer, NULL, 10);
2004         mutex_lock(&spic_dev.lock);
2005         __sony_pic_set_wwanpower(value);
2006         mutex_unlock(&spic_dev.lock);
2007
2008         return count;
2009 }
2010
2011 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2012                 struct device_attribute *attr, char *buffer)
2013 {
2014         ssize_t count;
2015         mutex_lock(&spic_dev.lock);
2016         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2017         mutex_unlock(&spic_dev.lock);
2018         return count;
2019 }
2020
2021 /* bluetooth subsystem power state */
2022 static void __sony_pic_set_bluetoothpower(u8 state)
2023 {
2024         state = !!state;
2025         if (spic_dev.bluetooth_power == state)
2026                 return;
2027         sony_pic_call2(0x96, state);
2028         sony_pic_call1(0x82);
2029         spic_dev.bluetooth_power = state;
2030 }
2031
2032 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2033                 struct device_attribute *attr,
2034                 const char *buffer, size_t count)
2035 {
2036         unsigned long value;
2037         if (count > 31)
2038                 return -EINVAL;
2039
2040         value = simple_strtoul(buffer, NULL, 10);
2041         mutex_lock(&spic_dev.lock);
2042         __sony_pic_set_bluetoothpower(value);
2043         mutex_unlock(&spic_dev.lock);
2044
2045         return count;
2046 }
2047
2048 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2049                 struct device_attribute *attr, char *buffer)
2050 {
2051         ssize_t count = 0;
2052         mutex_lock(&spic_dev.lock);
2053         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2054         mutex_unlock(&spic_dev.lock);
2055         return count;
2056 }
2057
2058 /* fan speed */
2059 /* FAN0 information (reverse engineered from ACPI tables) */
2060 #define SONY_PIC_FAN0_STATUS    0x93
2061 static int sony_pic_set_fanspeed(unsigned long value)
2062 {
2063         return ec_write(SONY_PIC_FAN0_STATUS, value);
2064 }
2065
2066 static int sony_pic_get_fanspeed(u8 *value)
2067 {
2068         return ec_read(SONY_PIC_FAN0_STATUS, value);
2069 }
2070
2071 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2072                 struct device_attribute *attr,
2073                 const char *buffer, size_t count)
2074 {
2075         unsigned long value;
2076         if (count > 31)
2077                 return -EINVAL;
2078
2079         value = simple_strtoul(buffer, NULL, 10);
2080         if (sony_pic_set_fanspeed(value))
2081                 return -EIO;
2082
2083         return count;
2084 }
2085
2086 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2087                 struct device_attribute *attr, char *buffer)
2088 {
2089         u8 value = 0;
2090         if (sony_pic_get_fanspeed(&value))
2091                 return -EIO;
2092
2093         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2094 }
2095
2096 #define SPIC_ATTR(_name, _mode)                                 \
2097 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2098                 _mode, sony_pic_## _name ##_show,               \
2099                 sony_pic_## _name ##_store)
2100
2101 static SPIC_ATTR(bluetoothpower, 0644);
2102 static SPIC_ATTR(wwanpower, 0644);
2103 static SPIC_ATTR(fanspeed, 0644);
2104
2105 static struct attribute *spic_attributes[] = {
2106         &spic_attr_bluetoothpower.attr,
2107         &spic_attr_wwanpower.attr,
2108         &spic_attr_fanspeed.attr,
2109         NULL
2110 };
2111
2112 static struct attribute_group spic_attribute_group = {
2113         .attrs = spic_attributes
2114 };
2115
2116 /******** SONYPI compatibility **********/
2117 #ifdef CONFIG_SONYPI_COMPAT
2118
2119 /* battery / brightness / temperature  addresses */
2120 #define SONYPI_BAT_FLAGS        0x81
2121 #define SONYPI_LCD_LIGHT        0x96
2122 #define SONYPI_BAT1_PCTRM       0xa0
2123 #define SONYPI_BAT1_LEFT        0xa2
2124 #define SONYPI_BAT1_MAXRT       0xa4
2125 #define SONYPI_BAT2_PCTRM       0xa8
2126 #define SONYPI_BAT2_LEFT        0xaa
2127 #define SONYPI_BAT2_MAXRT       0xac
2128 #define SONYPI_BAT1_MAXTK       0xb0
2129 #define SONYPI_BAT1_FULL        0xb2
2130 #define SONYPI_BAT2_MAXTK       0xb8
2131 #define SONYPI_BAT2_FULL        0xba
2132 #define SONYPI_TEMP_STATUS      0xC1
2133
2134 struct sonypi_compat_s {
2135         struct fasync_struct    *fifo_async;
2136         struct kfifo            fifo;
2137         spinlock_t              fifo_lock;
2138         wait_queue_head_t       fifo_proc_list;
2139         atomic_t                open_count;
2140 };
2141 static struct sonypi_compat_s sonypi_compat = {
2142         .open_count = ATOMIC_INIT(0),
2143 };
2144
2145 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2146 {
2147         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2148 }
2149
2150 static int sonypi_misc_release(struct inode *inode, struct file *file)
2151 {
2152         atomic_dec(&sonypi_compat.open_count);
2153         return 0;
2154 }
2155
2156 static int sonypi_misc_open(struct inode *inode, struct file *file)
2157 {
2158         /* Flush input queue on first open */
2159         unsigned long flags;
2160
2161         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2162
2163         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2164                 kfifo_reset(&sonypi_compat.fifo);
2165
2166         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2167
2168         return 0;
2169 }
2170
2171 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2172                                 size_t count, loff_t *pos)
2173 {
2174         ssize_t ret;
2175         unsigned char c;
2176
2177         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2178             (file->f_flags & O_NONBLOCK))
2179                 return -EAGAIN;
2180
2181         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2182                                        kfifo_len(&sonypi_compat.fifo) != 0);
2183         if (ret)
2184                 return ret;
2185
2186         while (ret < count &&
2187                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2188                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2189                 if (put_user(c, buf++))
2190                         return -EFAULT;
2191                 ret++;
2192         }
2193
2194         if (ret > 0) {
2195                 struct inode *inode = file->f_path.dentry->d_inode;
2196                 inode->i_atime = current_fs_time(inode->i_sb);
2197         }
2198
2199         return ret;
2200 }
2201
2202 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2203 {
2204         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2205         if (kfifo_len(&sonypi_compat.fifo))
2206                 return POLLIN | POLLRDNORM;
2207         return 0;
2208 }
2209
2210 static int ec_read16(u8 addr, u16 *value)
2211 {
2212         u8 val_lb, val_hb;
2213         if (ec_read(addr, &val_lb))
2214                 return -1;
2215         if (ec_read(addr + 1, &val_hb))
2216                 return -1;
2217         *value = val_lb | (val_hb << 8);
2218         return 0;
2219 }
2220
2221 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2222                                                         unsigned long arg)
2223 {
2224         int ret = 0;
2225         void __user *argp = (void __user *)arg;
2226         u8 val8;
2227         u16 val16;
2228         int value;
2229
2230         mutex_lock(&spic_dev.lock);
2231         switch (cmd) {
2232         case SONYPI_IOCGBRT:
2233                 if (sony_backlight_device == NULL) {
2234                         ret = -EIO;
2235                         break;
2236                 }
2237                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2238                         ret = -EIO;
2239                         break;
2240                 }
2241                 val8 = ((value & 0xff) - 1) << 5;
2242                 if (copy_to_user(argp, &val8, sizeof(val8)))
2243                                 ret = -EFAULT;
2244                 break;
2245         case SONYPI_IOCSBRT:
2246                 if (sony_backlight_device == NULL) {
2247                         ret = -EIO;
2248                         break;
2249                 }
2250                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2251                         ret = -EFAULT;
2252                         break;
2253                 }
2254                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2255                                 (val8 >> 5) + 1, NULL)) {
2256                         ret = -EIO;
2257                         break;
2258                 }
2259                 /* sync the backlight device status */
2260                 sony_backlight_device->props.brightness =
2261                     sony_backlight_get_brightness(sony_backlight_device);
2262                 break;
2263         case SONYPI_IOCGBAT1CAP:
2264                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2265                         ret = -EIO;
2266                         break;
2267                 }
2268                 if (copy_to_user(argp, &val16, sizeof(val16)))
2269                         ret = -EFAULT;
2270                 break;
2271         case SONYPI_IOCGBAT1REM:
2272                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2273                         ret = -EIO;
2274                         break;
2275                 }
2276                 if (copy_to_user(argp, &val16, sizeof(val16)))
2277                         ret = -EFAULT;
2278                 break;
2279         case SONYPI_IOCGBAT2CAP:
2280                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2281                         ret = -EIO;
2282                         break;
2283                 }
2284                 if (copy_to_user(argp, &val16, sizeof(val16)))
2285                         ret = -EFAULT;
2286                 break;
2287         case SONYPI_IOCGBAT2REM:
2288                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2289                         ret = -EIO;
2290                         break;
2291                 }
2292                 if (copy_to_user(argp, &val16, sizeof(val16)))
2293                         ret = -EFAULT;
2294                 break;
2295         case SONYPI_IOCGBATFLAGS:
2296                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2297                         ret = -EIO;
2298                         break;
2299                 }
2300                 val8 &= 0x07;
2301                 if (copy_to_user(argp, &val8, sizeof(val8)))
2302                         ret = -EFAULT;
2303                 break;
2304         case SONYPI_IOCGBLUE:
2305                 val8 = spic_dev.bluetooth_power;
2306                 if (copy_to_user(argp, &val8, sizeof(val8)))
2307                         ret = -EFAULT;
2308                 break;
2309         case SONYPI_IOCSBLUE:
2310                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2311                         ret = -EFAULT;
2312                         break;
2313                 }
2314                 __sony_pic_set_bluetoothpower(val8);
2315                 break;
2316         /* FAN Controls */
2317         case SONYPI_IOCGFAN:
2318                 if (sony_pic_get_fanspeed(&val8)) {
2319                         ret = -EIO;
2320                         break;
2321                 }
2322                 if (copy_to_user(argp, &val8, sizeof(val8)))
2323                         ret = -EFAULT;
2324                 break;
2325         case SONYPI_IOCSFAN:
2326                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2327                         ret = -EFAULT;
2328                         break;
2329                 }
2330                 if (sony_pic_set_fanspeed(val8))
2331                         ret = -EIO;
2332                 break;
2333         /* GET Temperature (useful under APM) */
2334         case SONYPI_IOCGTEMP:
2335                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2336                         ret = -EIO;
2337                         break;
2338                 }
2339                 if (copy_to_user(argp, &val8, sizeof(val8)))
2340                         ret = -EFAULT;
2341                 break;
2342         default:
2343                 ret = -EINVAL;
2344         }
2345         mutex_unlock(&spic_dev.lock);
2346         return ret;
2347 }
2348
2349 static const struct file_operations sonypi_misc_fops = {
2350         .owner          = THIS_MODULE,
2351         .read           = sonypi_misc_read,
2352         .poll           = sonypi_misc_poll,
2353         .open           = sonypi_misc_open,
2354         .release        = sonypi_misc_release,
2355         .fasync         = sonypi_misc_fasync,
2356         .unlocked_ioctl = sonypi_misc_ioctl,
2357 };
2358
2359 static struct miscdevice sonypi_misc_device = {
2360         .minor          = MISC_DYNAMIC_MINOR,
2361         .name           = "sonypi",
2362         .fops           = &sonypi_misc_fops,
2363 };
2364
2365 static void sonypi_compat_report_event(u8 event)
2366 {
2367         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2368                         sizeof(event), &sonypi_compat.fifo_lock);
2369         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2370         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2371 }
2372
2373 static int sonypi_compat_init(void)
2374 {
2375         int error;
2376
2377         spin_lock_init(&sonypi_compat.fifo_lock);
2378         error =
2379          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2380         if (error) {
2381                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2382                 return error;
2383         }
2384
2385         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2386
2387         if (minor != -1)
2388                 sonypi_misc_device.minor = minor;
2389         error = misc_register(&sonypi_misc_device);
2390         if (error) {
2391                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2392                 goto err_free_kfifo;
2393         }
2394         if (minor == -1)
2395                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2396                        sonypi_misc_device.minor);
2397
2398         return 0;
2399
2400 err_free_kfifo:
2401         kfifo_free(&sonypi_compat.fifo);
2402         return error;
2403 }
2404
2405 static void sonypi_compat_exit(void)
2406 {
2407         misc_deregister(&sonypi_misc_device);
2408         kfifo_free(&sonypi_compat.fifo);
2409 }
2410 #else
2411 static int sonypi_compat_init(void) { return 0; }
2412 static void sonypi_compat_exit(void) { }
2413 static void sonypi_compat_report_event(u8 event) { }
2414 #endif /* CONFIG_SONYPI_COMPAT */
2415
2416 /*
2417  * ACPI callbacks
2418  */
2419 static acpi_status
2420 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2421 {
2422         u32 i;
2423         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2424
2425         switch (resource->type) {
2426         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2427                 {
2428                         /* start IO enumeration */
2429                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2430                         if (!ioport)
2431                                 return AE_ERROR;
2432
2433                         list_add(&ioport->list, &dev->ioports);
2434                         return AE_OK;
2435                 }
2436
2437         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2438                 /* end IO enumeration */
2439                 return AE_OK;
2440
2441         case ACPI_RESOURCE_TYPE_IRQ:
2442                 {
2443                         struct acpi_resource_irq *p = &resource->data.irq;
2444                         struct sony_pic_irq *interrupt = NULL;
2445                         if (!p || !p->interrupt_count) {
2446                                 /*
2447                                  * IRQ descriptors may have no IRQ# bits set,
2448                                  * particularly those those w/ _STA disabled
2449                                  */
2450                                 dprintk("Blank IRQ resource\n");
2451                                 return AE_OK;
2452                         }
2453                         for (i = 0; i < p->interrupt_count; i++) {
2454                                 if (!p->interrupts[i]) {
2455                                         printk(KERN_WARNING DRV_PFX
2456                                                         "Invalid IRQ %d\n",
2457                                                         p->interrupts[i]);
2458                                         continue;
2459                                 }
2460                                 interrupt = kzalloc(sizeof(*interrupt),
2461                                                 GFP_KERNEL);
2462                                 if (!interrupt)
2463                                         return AE_ERROR;
2464
2465                                 list_add(&interrupt->list, &dev->interrupts);
2466                                 interrupt->irq.triggering = p->triggering;
2467                                 interrupt->irq.polarity = p->polarity;
2468                                 interrupt->irq.sharable = p->sharable;
2469                                 interrupt->irq.interrupt_count = 1;
2470                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2471                         }
2472                         return AE_OK;
2473                 }
2474         case ACPI_RESOURCE_TYPE_IO:
2475                 {
2476                         struct acpi_resource_io *io = &resource->data.io;
2477                         struct sony_pic_ioport *ioport =
2478                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2479                         if (!io) {
2480                                 dprintk("Blank IO resource\n");
2481                                 return AE_OK;
2482                         }
2483
2484                         if (!ioport->io1.minimum) {
2485                                 memcpy(&ioport->io1, io, sizeof(*io));
2486                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2487                                                 ioport->io1.address_length);
2488                         }
2489                         else if (!ioport->io2.minimum) {
2490                                 memcpy(&ioport->io2, io, sizeof(*io));
2491                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2492                                                 ioport->io2.address_length);
2493                         }
2494                         else {
2495                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2496                                 return AE_ERROR;
2497                         }
2498                         return AE_OK;
2499                 }
2500         default:
2501                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2502                                 resource->type);
2503
2504         case ACPI_RESOURCE_TYPE_END_TAG:
2505                 return AE_OK;
2506         }
2507         return AE_CTRL_TERMINATE;
2508 }
2509
2510 static int sony_pic_possible_resources(struct acpi_device *device)
2511 {
2512         int result = 0;
2513         acpi_status status = AE_OK;
2514
2515         if (!device)
2516                 return -EINVAL;
2517
2518         /* get device status */
2519         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2520         dprintk("Evaluating _STA\n");
2521         result = acpi_bus_get_status(device);
2522         if (result) {
2523                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2524                 goto end;
2525         }
2526
2527         if (!device->status.enabled)
2528                 dprintk("Device disabled\n");
2529         else
2530                 dprintk("Device enabled\n");
2531
2532         /*
2533          * Query and parse 'method'
2534          */
2535         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2536         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2537                         sony_pic_read_possible_resource, &spic_dev);
2538         if (ACPI_FAILURE(status)) {
2539                 printk(KERN_WARNING DRV_PFX
2540                                 "Failure evaluating %s\n",
2541                                 METHOD_NAME__PRS);
2542                 result = -ENODEV;
2543         }
2544 end:
2545         return result;
2546 }
2547
2548 /*
2549  *  Disable the spic device by calling its _DIS method
2550  */
2551 static int sony_pic_disable(struct acpi_device *device)
2552 {
2553         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2554                                                NULL);
2555
2556         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2557                 return -ENXIO;
2558
2559         dprintk("Device disabled\n");
2560         return 0;
2561 }
2562
2563
2564 /*
2565  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2566  *
2567  *  Call _SRS to set current resources
2568  */
2569 static int sony_pic_enable(struct acpi_device *device,
2570                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2571 {
2572         acpi_status status;
2573         int result = 0;
2574         /* Type 1 resource layout is:
2575          *    IO
2576          *    IO
2577          *    IRQNoFlags
2578          *    End
2579          *
2580          * Type 2 and 3 resource layout is:
2581          *    IO
2582          *    IRQNoFlags
2583          *    End
2584          */
2585         struct {
2586                 struct acpi_resource res1;
2587                 struct acpi_resource res2;
2588                 struct acpi_resource res3;
2589                 struct acpi_resource res4;
2590         } *resource;
2591         struct acpi_buffer buffer = { 0, NULL };
2592
2593         if (!ioport || !irq)
2594                 return -EINVAL;
2595
2596         /* init acpi_buffer */
2597         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2598         if (!resource)
2599                 return -ENOMEM;
2600
2601         buffer.length = sizeof(*resource) + 1;
2602         buffer.pointer = resource;
2603
2604         /* setup Type 1 resources */
2605         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2606
2607                 /* setup io resources */
2608                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2609                 resource->res1.length = sizeof(struct acpi_resource);
2610                 memcpy(&resource->res1.data.io, &ioport->io1,
2611                                 sizeof(struct acpi_resource_io));
2612
2613                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2614                 resource->res2.length = sizeof(struct acpi_resource);
2615                 memcpy(&resource->res2.data.io, &ioport->io2,
2616                                 sizeof(struct acpi_resource_io));
2617
2618                 /* setup irq resource */
2619                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2620                 resource->res3.length = sizeof(struct acpi_resource);
2621                 memcpy(&resource->res3.data.irq, &irq->irq,
2622                                 sizeof(struct acpi_resource_irq));
2623                 /* we requested a shared irq */
2624                 resource->res3.data.irq.sharable = ACPI_SHARED;
2625
2626                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2627
2628         }
2629         /* setup Type 2/3 resources */
2630         else {
2631                 /* setup io resource */
2632                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2633                 resource->res1.length = sizeof(struct acpi_resource);
2634                 memcpy(&resource->res1.data.io, &ioport->io1,
2635                                 sizeof(struct acpi_resource_io));
2636
2637                 /* setup irq resource */
2638                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2639                 resource->res2.length = sizeof(struct acpi_resource);
2640                 memcpy(&resource->res2.data.irq, &irq->irq,
2641                                 sizeof(struct acpi_resource_irq));
2642                 /* we requested a shared irq */
2643                 resource->res2.data.irq.sharable = ACPI_SHARED;
2644
2645                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2646         }
2647
2648         /* Attempt to set the resource */
2649         dprintk("Evaluating _SRS\n");
2650         status = acpi_set_current_resources(device->handle, &buffer);
2651
2652         /* check for total failure */
2653         if (ACPI_FAILURE(status)) {
2654                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2655                 result = -ENODEV;
2656                 goto end;
2657         }
2658
2659         /* Necessary device initializations calls (from sonypi) */
2660         sony_pic_call1(0x82);
2661         sony_pic_call2(0x81, 0xff);
2662         sony_pic_call1(compat ? 0x92 : 0x82);
2663
2664 end:
2665         kfree(resource);
2666         return result;
2667 }
2668
2669 /*****************
2670  *
2671  * ISR: some event is available
2672  *
2673  *****************/
2674 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2675 {
2676         int i, j;
2677         u8 ev = 0;
2678         u8 data_mask = 0;
2679         u8 device_event = 0;
2680
2681         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2682
2683         ev = inb_p(dev->cur_ioport->io1.minimum);
2684         if (dev->cur_ioport->io2.minimum)
2685                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2686         else
2687                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2688                                 dev->evport_offset);
2689
2690         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2691                         ev, data_mask, dev->cur_ioport->io1.minimum,
2692                         dev->evport_offset);
2693
2694         if (ev == 0x00 || ev == 0xff)
2695                 return IRQ_HANDLED;
2696
2697         for (i = 0; dev->event_types[i].mask; i++) {
2698
2699                 if ((data_mask & dev->event_types[i].data) !=
2700                     dev->event_types[i].data)
2701                         continue;
2702
2703                 if (!(mask & dev->event_types[i].mask))
2704                         continue;
2705
2706                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2707                         if (ev == dev->event_types[i].events[j].data) {
2708                                 device_event =
2709                                         dev->event_types[i].events[j].event;
2710                                 goto found;
2711                         }
2712                 }
2713         }
2714         /* Still not able to decode the event try to pass
2715          * it over to the minidriver
2716          */
2717         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2718                 return IRQ_HANDLED;
2719
2720         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2721                         ev, data_mask, dev->cur_ioport->io1.minimum,
2722                         dev->evport_offset);
2723         return IRQ_HANDLED;
2724
2725 found:
2726         sony_laptop_report_input_event(device_event);
2727         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2728         sonypi_compat_report_event(device_event);
2729
2730         return IRQ_HANDLED;
2731 }
2732
2733 /*****************
2734  *
2735  *  ACPI driver
2736  *
2737  *****************/
2738 static int sony_pic_remove(struct acpi_device *device, int type)
2739 {
2740         struct sony_pic_ioport *io, *tmp_io;
2741         struct sony_pic_irq *irq, *tmp_irq;
2742
2743         if (sony_pic_disable(device)) {
2744                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2745                 return -ENXIO;
2746         }
2747
2748         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2749         release_region(spic_dev.cur_ioport->io1.minimum,
2750                         spic_dev.cur_ioport->io1.address_length);
2751         if (spic_dev.cur_ioport->io2.minimum)
2752                 release_region(spic_dev.cur_ioport->io2.minimum,
2753                                 spic_dev.cur_ioport->io2.address_length);
2754
2755         sonypi_compat_exit();
2756
2757         sony_laptop_remove_input();
2758
2759         /* pf attrs */
2760         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2761         sony_pf_remove();
2762
2763         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2764                 list_del(&io->list);
2765                 kfree(io);
2766         }
2767         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2768                 list_del(&irq->list);
2769                 kfree(irq);
2770         }
2771         spic_dev.cur_ioport = NULL;
2772         spic_dev.cur_irq = NULL;
2773
2774         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2775         return 0;
2776 }
2777
2778 static int sony_pic_add(struct acpi_device *device)
2779 {
2780         int result;
2781         struct sony_pic_ioport *io, *tmp_io;
2782         struct sony_pic_irq *irq, *tmp_irq;
2783
2784         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2785                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2786
2787         spic_dev.acpi_dev = device;
2788         strcpy(acpi_device_class(device), "sony/hotkey");
2789         sony_pic_detect_device_type(&spic_dev);
2790         mutex_init(&spic_dev.lock);
2791
2792         /* read _PRS resources */
2793         result = sony_pic_possible_resources(device);
2794         if (result) {
2795                 printk(KERN_ERR DRV_PFX
2796                                 "Unable to read possible resources.\n");
2797                 goto err_free_resources;
2798         }
2799
2800         /* setup input devices and helper fifo */
2801         result = sony_laptop_setup_input(device);
2802         if (result) {
2803                 printk(KERN_ERR DRV_PFX
2804                                 "Unable to create input devices.\n");
2805                 goto err_free_resources;
2806         }
2807
2808         if (sonypi_compat_init())
2809                 goto err_remove_input;
2810
2811         /* request io port */
2812         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2813                 if (request_region(io->io1.minimum, io->io1.address_length,
2814                                         "Sony Programable I/O Device")) {
2815                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2816                                         io->io1.minimum, io->io1.maximum,
2817                                         io->io1.address_length);
2818                         /* Type 1 have 2 ioports */
2819                         if (io->io2.minimum) {
2820                                 if (request_region(io->io2.minimum,
2821                                                 io->io2.address_length,
2822                                                 "Sony Programable I/O Device")) {
2823                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2824                                                         io->io2.minimum, io->io2.maximum,
2825                                                         io->io2.address_length);
2826                                         spic_dev.cur_ioport = io;
2827                                         break;
2828                                 }
2829                                 else {
2830                                         dprintk("Unable to get I/O port2: "
2831                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2832                                                         io->io2.minimum, io->io2.maximum,
2833                                                         io->io2.address_length);
2834                                         release_region(io->io1.minimum,
2835                                                         io->io1.address_length);
2836                                 }
2837                         }
2838                         else {
2839                                 spic_dev.cur_ioport = io;
2840                                 break;
2841                         }
2842                 }
2843         }
2844         if (!spic_dev.cur_ioport) {
2845                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2846                 result = -ENODEV;
2847                 goto err_remove_compat;
2848         }
2849
2850         /* request IRQ */
2851         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2852                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2853                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2854                         dprintk("IRQ: %d - triggering: %d - "
2855                                         "polarity: %d - shr: %d\n",
2856                                         irq->irq.interrupts[0],
2857                                         irq->irq.triggering,
2858                                         irq->irq.polarity,
2859                                         irq->irq.sharable);
2860                         spic_dev.cur_irq = irq;
2861                         break;
2862                 }
2863         }
2864         if (!spic_dev.cur_irq) {
2865                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2866                 result = -ENODEV;
2867                 goto err_release_region;
2868         }
2869
2870         /* set resource status _SRS */
2871         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2872         if (result) {
2873                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2874                 goto err_free_irq;
2875         }
2876
2877         spic_dev.bluetooth_power = -1;
2878         /* create device attributes */
2879         result = sony_pf_add();
2880         if (result)
2881                 goto err_disable_device;
2882
2883         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2884         if (result)
2885                 goto err_remove_pf;
2886
2887         return 0;
2888
2889 err_remove_pf:
2890         sony_pf_remove();
2891
2892 err_disable_device:
2893         sony_pic_disable(device);
2894
2895 err_free_irq:
2896         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2897
2898 err_release_region:
2899         release_region(spic_dev.cur_ioport->io1.minimum,
2900                         spic_dev.cur_ioport->io1.address_length);
2901         if (spic_dev.cur_ioport->io2.minimum)
2902                 release_region(spic_dev.cur_ioport->io2.minimum,
2903                                 spic_dev.cur_ioport->io2.address_length);
2904
2905 err_remove_compat:
2906         sonypi_compat_exit();
2907
2908 err_remove_input:
2909         sony_laptop_remove_input();
2910
2911 err_free_resources:
2912         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2913                 list_del(&io->list);
2914                 kfree(io);
2915         }
2916         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2917                 list_del(&irq->list);
2918                 kfree(irq);
2919         }
2920         spic_dev.cur_ioport = NULL;
2921         spic_dev.cur_irq = NULL;
2922
2923         return result;
2924 }
2925
2926 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2927 {
2928         if (sony_pic_disable(device))
2929                 return -ENXIO;
2930         return 0;
2931 }
2932
2933 static int sony_pic_resume(struct acpi_device *device)
2934 {
2935         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2936         return 0;
2937 }
2938
2939 static const struct acpi_device_id sony_pic_device_ids[] = {
2940         {SONY_PIC_HID, 0},
2941         {"", 0},
2942 };
2943
2944 static struct acpi_driver sony_pic_driver = {
2945         .name = SONY_PIC_DRIVER_NAME,
2946         .class = SONY_PIC_CLASS,
2947         .ids = sony_pic_device_ids,
2948         .owner = THIS_MODULE,
2949         .ops = {
2950                 .add = sony_pic_add,
2951                 .remove = sony_pic_remove,
2952                 .suspend = sony_pic_suspend,
2953                 .resume = sony_pic_resume,
2954                 },
2955 };
2956
2957 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2958         {
2959                 .ident = "Sony Vaio",
2960                 .matches = {
2961                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2962                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2963                 },
2964         },
2965         {
2966                 .ident = "Sony Vaio",
2967                 .matches = {
2968                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2969                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2970                 },
2971         },
2972         { }
2973 };
2974
2975 static int __init sony_laptop_init(void)
2976 {
2977         int result;
2978
2979         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2980                 result = acpi_bus_register_driver(&sony_pic_driver);
2981                 if (result) {
2982                         printk(KERN_ERR DRV_PFX
2983                                         "Unable to register SPIC driver.");
2984                         goto out;
2985                 }
2986                 spic_drv_registered = 1;
2987         }
2988
2989         result = acpi_bus_register_driver(&sony_nc_driver);
2990         if (result) {
2991                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2992                 goto out_unregister_pic;
2993         }
2994
2995         return 0;
2996
2997 out_unregister_pic:
2998         if (spic_drv_registered)
2999                 acpi_bus_unregister_driver(&sony_pic_driver);
3000 out:
3001         return result;
3002 }
3003
3004 static void __exit sony_laptop_exit(void)
3005 {
3006         acpi_bus_unregister_driver(&sony_nc_driver);
3007         if (spic_drv_registered)
3008                 acpi_bus_unregister_driver(&sony_pic_driver);
3009 }
3010
3011 module_init(sony_laptop_init);
3012 module_exit(sony_laptop_exit);