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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  46
  47 #include <linux/kernel.h>
  48 #include <linux/module.h>
  49 #include <linux/moduleparam.h>
  50 #include <linux/init.h>
  51 #include <linux/types.h>
  52 #include <linux/backlight.h>
  53 #include <linux/platform_device.h>
  54 #include <linux/err.h>
  55 #include <linux/dmi.h>
  56 #include <linux/pci.h>
  57 #include <linux/interrupt.h>
  58 #include <linux/delay.h>
  59 #include <linux/input.h>
  60 #include <linux/kfifo.h>
  61 #include <linux/workqueue.h>
  62 #include <linux/acpi.h>
  63 #include <linux/slab.h>
  64 #include <acpi/acpi_drivers.h>
  65 #include <acpi/acpi_bus.h>
  66 #include <asm/uaccess.h>
  67 #include <linux/sonypi.h>
  68 #include <linux/sony-laptop.h>
  69 #include <linux/rfkill.h>
  70 #ifdef CONFIG_SONYPI_COMPAT
  71 #include <linux/poll.h>
  72 #include <linux/miscdevice.h>
  73 #endif
  74
  75 #define dprintk(fmt, ...)                       \
  76 do {                                            \
  77         if (debug)                              \
  78                 pr_warn(fmt, ##__VA_ARGS__);    \
  79 } while (0)
  80
  81 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  82
  83 #define SONY_NC_CLASS           "sony-nc"
  84 #define SONY_NC_HID             "SNY5001"
  85 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  86
  87 #define SONY_PIC_CLASS          "sony-pic"
  88 #define SONY_PIC_HID            "SNY6001"
  89 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  90
  91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  93 MODULE_LICENSE("GPL");
  94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  95
  96 static int debug;
  97 module_param(debug, int, 0);
  98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  99                  "the development of this driver");
 100
 101 static int no_spic;             /* = 0 */
 102 module_param(no_spic, int, 0444);
 103 MODULE_PARM_DESC(no_spic,
 104                  "set this if you don't want to enable the SPIC device");
 105
 106 static int compat;              /* = 0 */
 107 module_param(compat, int, 0444);
 108 MODULE_PARM_DESC(compat,
 109                  "set this if you want to enable backward compatibility mode");
 110
 111 static unsigned long mask = 0xffffffff;
 112 module_param(mask, ulong, 0644);
 113 MODULE_PARM_DESC(mask,
 114                  "set this to the mask of event you want to enable (see doc)");
 115
 116 static int camera;              /* = 0 */
 117 module_param(camera, int, 0444);
 118 MODULE_PARM_DESC(camera,
 119                  "set this to 1 to enable Motion Eye camera controls "
 120                  "(only use it if you have a C1VE or C1VN model)");
 121
 122 #ifdef CONFIG_SONYPI_COMPAT
 123 static int minor = -1;
 124 module_param(minor, int, 0);
 125 MODULE_PARM_DESC(minor,
 126                  "minor number of the misc device for the SPIC compatibility code, "
 127                  "default is -1 (automatic)");
 128 #endif
 129
 130 static int kbd_backlight;       /* = 1 */
 131 module_param(kbd_backlight, int, 0444);
 132 MODULE_PARM_DESC(kbd_backlight,
 133                  "set this to 0 to disable keyboard backlight, "
 134                  "1 to enable it (default: 0)");
 135
 136 static int kbd_backlight_timeout;       /* = 0 */
 137 module_param(kbd_backlight_timeout, int, 0444);
 138 MODULE_PARM_DESC(kbd_backlight_timeout,
 139                  "set this to 0 to set the default 10 seconds timeout, "
 140                  "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
 141                  "(default: 0)");
 142
 143 static void sony_nc_kbd_backlight_resume(void);
 144
 145 enum sony_nc_rfkill {
 146         SONY_WIFI,
 147         SONY_BLUETOOTH,
 148         SONY_WWAN,
 149         SONY_WIMAX,
 150         N_SONY_RFKILL,
 151 };
 152
 153 static int sony_rfkill_handle;
 154 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 155 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 156 static void sony_nc_rfkill_update(void);
 157
 158 /*********** Input Devices ***********/
 159
 160 #define SONY_LAPTOP_BUF_SIZE    128
 161 struct sony_laptop_input_s {
 162         atomic_t                users;
 163         struct input_dev        *jog_dev;
 164         struct input_dev        *key_dev;
 165         struct kfifo            fifo;
 166         spinlock_t              fifo_lock;
 167         struct timer_list       release_key_timer;
 168 };
 169
 170 static struct sony_laptop_input_s sony_laptop_input = {
 171         .users = ATOMIC_INIT(0),
 172 };
 173
 174 struct sony_laptop_keypress {
 175         struct input_dev *dev;
 176         int key;
 177 };
 178
 179 /* Correspondance table between sonypi events
 180  * and input layer indexes in the keymap
 181  */
 182 static int sony_laptop_input_index[] = {
 183         -1,     /*  0 no event */
 184         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 185         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 186         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 187         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 188         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 189         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 190          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 191          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 192          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 193          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 194          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 195          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 196          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 197          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 198          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 199          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 200         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 201         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 202         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 203         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 204         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 205         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 206         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 207         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 208         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 209         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 210         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 211         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 212         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 213         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 214         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 215         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 216         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 217         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 218         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 219         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 220         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 221         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 222         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 223         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 224         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 225         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 226         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 227         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 228         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 229         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 230         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 231         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 232         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 233         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 234         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 235         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 236         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 237         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 238         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 239         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 240         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 241         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 242         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 243         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 244         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 245         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 246         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 247         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 248         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 249         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 250         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 251         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 252         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 253         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 254         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 255         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 256         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
 257 };
 258
 259 static int sony_laptop_input_keycode_map[] = {
 260         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 261         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 262         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 263         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 264         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 265         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 266         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 267         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 268         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 269         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 270         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 271         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 272         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 273         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 274         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 275         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 276         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 277         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 278         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 279         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 280         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 281         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 282         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 283         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 284         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 285         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 286         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 287         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 288         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 289         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 290         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 291         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 292         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 293         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 294         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 295         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 296         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 297         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 298         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 299         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 300         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 301         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 302         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 303         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 304         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 305         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 306         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 307         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 308         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 309         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 310         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 311         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 312         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 313         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 314         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 315         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 316         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 317         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 318         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 319         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
 320 };
 321
 322 /* release buttons after a short delay if pressed */
 323 static void do_sony_laptop_release_key(unsigned long unused)
 324 {
 325         struct sony_laptop_keypress kp;
 326         unsigned long flags;
 327
 328         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 329
 330         if (kfifo_out(&sony_laptop_input.fifo,
 331                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 332                 input_report_key(kp.dev, kp.key, 0);
 333                 input_sync(kp.dev);
 334         }
 335
 336         /* If there is something in the fifo schedule next release. */
 337         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 338                 mod_timer(&sony_laptop_input.release_key_timer,
 339                           jiffies + msecs_to_jiffies(10));
 340
 341         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 342 }
 343
 344 /* forward event to the input subsystem */
 345 static void sony_laptop_report_input_event(u8 event)
 346 {
 347         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 348         struct input_dev *key_dev = sony_laptop_input.key_dev;
 349         struct sony_laptop_keypress kp = { NULL };
 350         int scancode = -1;
 351
 352         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 353                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 354                 /* Nothing, not all VAIOs generate this event */
 355                 return;
 356         }
 357
 358         /* report events */
 359         switch (event) {
 360         /* jog_dev events */
 361         case SONYPI_EVENT_JOGDIAL_UP:
 362         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 363                 input_report_rel(jog_dev, REL_WHEEL, 1);
 364                 input_sync(jog_dev);
 365                 return;
 366
 367         case SONYPI_EVENT_JOGDIAL_DOWN:
 368         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 369                 input_report_rel(jog_dev, REL_WHEEL, -1);
 370                 input_sync(jog_dev);
 371                 return;
 372
 373         /* key_dev events */
 374         case SONYPI_EVENT_JOGDIAL_PRESSED:
 375                 kp.key = BTN_MIDDLE;
 376                 kp.dev = jog_dev;
 377                 break;
 378
 379         default:
 380                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 381                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 382                         break;
 383                 }
 384                 scancode = sony_laptop_input_index[event];
 385                 if (scancode != -1) {
 386                         kp.key = sony_laptop_input_keycode_map[scancode];
 387                         if (kp.key != KEY_UNKNOWN)
 388                                 kp.dev = key_dev;
 389                 }
 390                 break;
 391         }
 392
 393         if (kp.dev) {
 394                 /*
 395                  * If we have a scancode we emit it so we can always remap the
 396                  * key
 397                  */
 398                 if (scancode != -1)
 399                         input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
 400                 input_report_key(kp.dev, kp.key, 1);
 401                 input_sync(kp.dev);
 402
 403                 /* schedule key release */
 404                 kfifo_in_locked(&sony_laptop_input.fifo,
 405                                 (unsigned char *)&kp, sizeof(kp),
 406                                 &sony_laptop_input.fifo_lock);
 407                 mod_timer(&sony_laptop_input.release_key_timer,
 408                           jiffies + msecs_to_jiffies(10));
 409         } else
 410                 dprintk("unknown input event %.2x\n", event);
 411 }
 412
 413 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 414 {
 415         struct input_dev *jog_dev;
 416         struct input_dev *key_dev;
 417         int i;
 418         int error;
 419
 420         /* don't run again if already initialized */
 421         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 422                 return 0;
 423
 424         /* kfifo */
 425         spin_lock_init(&sony_laptop_input.fifo_lock);
 426         error = kfifo_alloc(&sony_laptop_input.fifo,
 427                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 428         if (error) {
 429                 pr_err("kfifo_alloc failed\n");
 430                 goto err_dec_users;
 431         }
 432
 433         setup_timer(&sony_laptop_input.release_key_timer,
 434                     do_sony_laptop_release_key, 0);
 435
 436         /* input keys */
 437         key_dev = input_allocate_device();
 438         if (!key_dev) {
 439                 error = -ENOMEM;
 440                 goto err_free_kfifo;
 441         }
 442
 443         key_dev->name = "Sony Vaio Keys";
 444         key_dev->id.bustype = BUS_ISA;
 445         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 446         key_dev->dev.parent = &acpi_device->dev;
 447
 448         /* Initialize the Input Drivers: special keys */
 449         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 450
 451         __set_bit(EV_KEY, key_dev->evbit);
 452         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 453         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 454         key_dev->keycode = &sony_laptop_input_keycode_map;
 455         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 456                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 457         __clear_bit(KEY_RESERVED, key_dev->keybit);
 458
 459         error = input_register_device(key_dev);
 460         if (error)
 461                 goto err_free_keydev;
 462
 463         sony_laptop_input.key_dev = key_dev;
 464
 465         /* jogdial */
 466         jog_dev = input_allocate_device();
 467         if (!jog_dev) {
 468                 error = -ENOMEM;
 469                 goto err_unregister_keydev;
 470         }
 471
 472         jog_dev->name = "Sony Vaio Jogdial";
 473         jog_dev->id.bustype = BUS_ISA;
 474         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 475         jog_dev->dev.parent = &acpi_device->dev;
 476
 477         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 478         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 479
 480         error = input_register_device(jog_dev);
 481         if (error)
 482                 goto err_free_jogdev;
 483
 484         sony_laptop_input.jog_dev = jog_dev;
 485
 486         return 0;
 487
 488 err_free_jogdev:
 489         input_free_device(jog_dev);
 490
 491 err_unregister_keydev:
 492         input_unregister_device(key_dev);
 493         /* to avoid kref underflow below at input_free_device */
 494         key_dev = NULL;
 495
 496 err_free_keydev:
 497         input_free_device(key_dev);
 498
 499 err_free_kfifo:
 500         kfifo_free(&sony_laptop_input.fifo);
 501
 502 err_dec_users:
 503         atomic_dec(&sony_laptop_input.users);
 504         return error;
 505 }
 506
 507 static void sony_laptop_remove_input(void)
 508 {
 509         struct sony_laptop_keypress kp = { NULL };
 510
 511         /* Cleanup only after the last user has gone */
 512         if (!atomic_dec_and_test(&sony_laptop_input.users))
 513                 return;
 514
 515         del_timer_sync(&sony_laptop_input.release_key_timer);
 516
 517         /*
 518          * Generate key-up events for remaining keys. Note that we don't
 519          * need locking since nobody is adding new events to the kfifo.
 520          */
 521         while (kfifo_out(&sony_laptop_input.fifo,
 522                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 523                 input_report_key(kp.dev, kp.key, 0);
 524                 input_sync(kp.dev);
 525         }
 526
 527         /* destroy input devs */
 528         input_unregister_device(sony_laptop_input.key_dev);
 529         sony_laptop_input.key_dev = NULL;
 530
 531         if (sony_laptop_input.jog_dev) {
 532                 input_unregister_device(sony_laptop_input.jog_dev);
 533                 sony_laptop_input.jog_dev = NULL;
 534         }
 535
 536         kfifo_free(&sony_laptop_input.fifo);
 537 }
 538
 539 /*********** Platform Device ***********/
 540
 541 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 542 static struct platform_driver sony_pf_driver = {
 543         .driver = {
 544                    .name = "sony-laptop",
 545                    .owner = THIS_MODULE,
 546                    }
 547 };
 548 static struct platform_device *sony_pf_device;
 549
 550 static int sony_pf_add(void)
 551 {
 552         int ret = 0;
 553
 554         /* don't run again if already initialized */
 555         if (atomic_add_return(1, &sony_pf_users) > 1)
 556                 return 0;
 557
 558         ret = platform_driver_register(&sony_pf_driver);
 559         if (ret)
 560                 goto out;
 561
 562         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 563         if (!sony_pf_device) {
 564                 ret = -ENOMEM;
 565                 goto out_platform_registered;
 566         }
 567
 568         ret = platform_device_add(sony_pf_device);
 569         if (ret)
 570                 goto out_platform_alloced;
 571
 572         return 0;
 573
 574       out_platform_alloced:
 575         platform_device_put(sony_pf_device);
 576         sony_pf_device = NULL;
 577       out_platform_registered:
 578         platform_driver_unregister(&sony_pf_driver);
 579       out:
 580         atomic_dec(&sony_pf_users);
 581         return ret;
 582 }
 583
 584 static void sony_pf_remove(void)
 585 {
 586         /* deregister only after the last user has gone */
 587         if (!atomic_dec_and_test(&sony_pf_users))
 588                 return;
 589
 590         platform_device_unregister(sony_pf_device);
 591         platform_driver_unregister(&sony_pf_driver);
 592 }
 593
 594 /*********** SNC (SNY5001) Device ***********/
 595
 596 /* the device uses 1-based values, while the backlight subsystem uses
 597    0-based values */
 598 #define SONY_MAX_BRIGHTNESS     8
 599
 600 #define SNC_VALIDATE_IN         0
 601 #define SNC_VALIDATE_OUT        1
 602
 603 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 604                               char *);
 605 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 606                                const char *, size_t);
 607 static int boolean_validate(const int, const int);
 608 static int brightness_default_validate(const int, const int);
 609
 610 struct sony_nc_value {
 611         char *name;             /* name of the entry */
 612         char **acpiget;         /* names of the ACPI get function */
 613         char **acpiset;         /* names of the ACPI set function */
 614         int (*validate)(const int, const int);  /* input/output validation */
 615         int value;              /* current setting */
 616         int valid;              /* Has ever been set */
 617         int debug;              /* active only in debug mode ? */
 618         struct device_attribute devattr;        /* sysfs attribute */
 619 };
 620
 621 #define SNC_HANDLE_NAMES(_name, _values...) \
 622         static char *snc_##_name[] = { _values, NULL }
 623
 624 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 625         { \
 626                 .name           = __stringify(_name), \
 627                 .acpiget        = _getters, \
 628                 .acpiset        = _setters, \
 629                 .validate       = _validate, \
 630                 .debug          = _debug, \
 631                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 632         }
 633
 634 #define SNC_HANDLE_NULL { .name = NULL }
 635
 636 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 637
 638 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 639 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 640
 641 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 642 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 643
 644 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 645 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 646
 647 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 648 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 649
 650 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 651
 652 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 653 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 654
 655 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 656 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 657
 658 SNC_HANDLE_NAMES(PID_get, "GPID");
 659
 660 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 661 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 662
 663 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 664 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 665
 666 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 667 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 668
 669 static struct sony_nc_value sony_nc_values[] = {
 670         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 671                         snc_brightness_def_set, brightness_default_validate, 0),
 672         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 673         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 674         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 675                         boolean_validate, 0),
 676         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 677                         boolean_validate, 1),
 678         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 679                         boolean_validate, 0),
 680         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 681                         boolean_validate, 0),
 682         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 683                         boolean_validate, 0),
 684         /* unknown methods */
 685         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 686         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 687         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 688         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 689         SNC_HANDLE_NULL
 690 };
 691
 692 static acpi_handle sony_nc_acpi_handle;
 693 static struct acpi_device *sony_nc_acpi_device = NULL;
 694
 695 /*
 696  * acpi_evaluate_object wrappers
 697  */
 698 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 699 {
 700         struct acpi_buffer output;
 701         union acpi_object out_obj;
 702         acpi_status status;
 703
 704         output.length = sizeof(out_obj);
 705         output.pointer = &out_obj;
 706
 707         status = acpi_evaluate_object(handle, name, NULL, &output);
 708         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 709                 *result = out_obj.integer.value;
 710                 return 0;
 711         }
 712
 713         pr_warn("acpi_callreadfunc failed\n");
 714
 715         return -1;
 716 }
 717
 718 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 719                             int *result)
 720 {
 721         struct acpi_object_list params;
 722         union acpi_object in_obj;
 723         struct acpi_buffer output;
 724         union acpi_object out_obj;
 725         acpi_status status;
 726
 727         params.count = 1;
 728         params.pointer = &in_obj;
 729         in_obj.type = ACPI_TYPE_INTEGER;
 730         in_obj.integer.value = value;
 731
 732         output.length = sizeof(out_obj);
 733         output.pointer = &out_obj;
 734
 735         status = acpi_evaluate_object(handle, name, &params, &output);
 736         if (status == AE_OK) {
 737                 if (result != NULL) {
 738                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 739                                 pr_warn("acpi_evaluate_object bad return type\n");
 740                                 return -1;
 741                         }
 742                         *result = out_obj.integer.value;
 743                 }
 744                 return 0;
 745         }
 746
 747         pr_warn("acpi_evaluate_object failed\n");
 748
 749         return -1;
 750 }
 751
 752 struct sony_nc_handles {
 753         u16 cap[0x10];
 754         struct device_attribute devattr;
 755 };
 756
 757 static struct sony_nc_handles *handles;
 758
 759 static ssize_t sony_nc_handles_show(struct device *dev,
 760                 struct device_attribute *attr, char *buffer)
 761 {
 762         ssize_t len = 0;
 763         int i;
 764
 765         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 766                 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
 767                                 handles->cap[i]);
 768         }
 769         len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
 770
 771         return len;
 772 }
 773
 774 static int sony_nc_handles_setup(struct platform_device *pd)
 775 {
 776         int i;
 777         int result;
 778
 779         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
 780         if (!handles)
 781                 return -ENOMEM;
 782
 783         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 784                 if (!acpi_callsetfunc(sony_nc_acpi_handle,
 785                                         "SN00", i + 0x20, &result)) {
 786                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
 787                                         result, i);
 788                         handles->cap[i] = result;
 789                 }
 790         }
 791
 792         if (debug) {
 793                 sysfs_attr_init(&handles->devattr.attr);
 794                 handles->devattr.attr.name = "handles";
 795                 handles->devattr.attr.mode = S_IRUGO;
 796                 handles->devattr.show = sony_nc_handles_show;
 797
 798                 /* allow reading capabilities via sysfs */
 799                 if (device_create_file(&pd->dev, &handles->devattr)) {
 800                         kfree(handles);
 801                         handles = NULL;
 802                         return -1;
 803                 }
 804         }
 805
 806         return 0;
 807 }
 808
 809 static int sony_nc_handles_cleanup(struct platform_device *pd)
 810 {
 811         if (handles) {
 812                 if (debug)
 813                         device_remove_file(&pd->dev, &handles->devattr);
 814                 kfree(handles);
 815                 handles = NULL;
 816         }
 817         return 0;
 818 }
 819
 820 static int sony_find_snc_handle(int handle)
 821 {
 822         int i;
 823
 824         /* not initialized yet, return early */
 825         if (!handles)
 826                 return -1;
 827
 828         for (i = 0; i < 0x10; i++) {
 829                 if (handles->cap[i] == handle) {
 830                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
 831                                         handle, i);
 832                         return i;
 833                 }
 834         }
 835         dprintk("handle 0x%.4x not found\n", handle);
 836         return -1;
 837 }
 838
 839 static int sony_call_snc_handle(int handle, int argument, int *result)
 840 {
 841         int ret = 0;
 842         int offset = sony_find_snc_handle(handle);
 843
 844         if (offset < 0)
 845                 return -1;
 846
 847         ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 848                         result);
 849         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
 850                         *result);
 851         return ret;
 852 }
 853
 854 /*
 855  * sony_nc_values input/output validate functions
 856  */
 857
 858 /* brightness_default_validate:
 859  *
 860  * manipulate input output values to keep consistency with the
 861  * backlight framework for which brightness values are 0-based.
 862  */
 863 static int brightness_default_validate(const int direction, const int value)
 864 {
 865         switch (direction) {
 866                 case SNC_VALIDATE_OUT:
 867                         return value - 1;
 868                 case SNC_VALIDATE_IN:
 869                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 870                                 return value + 1;
 871         }
 872         return -EINVAL;
 873 }
 874
 875 /* boolean_validate:
 876  *
 877  * on input validate boolean values 0/1, on output just pass the
 878  * received value.
 879  */
 880 static int boolean_validate(const int direction, const int value)
 881 {
 882         if (direction == SNC_VALIDATE_IN) {
 883                 if (value != 0 && value != 1)
 884                         return -EINVAL;
 885         }
 886         return value;
 887 }
 888
 889 /*
 890  * Sysfs show/store common to all sony_nc_values
 891  */
 892 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 893                               char *buffer)
 894 {
 895         int value;
 896         struct sony_nc_value *item =
 897             container_of(attr, struct sony_nc_value, devattr);
 898
 899         if (!*item->acpiget)
 900                 return -EIO;
 901
 902         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 903                 return -EIO;
 904
 905         if (item->validate)
 906                 value = item->validate(SNC_VALIDATE_OUT, value);
 907
 908         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 909 }
 910
 911 static ssize_t sony_nc_sysfs_store(struct device *dev,
 912                                struct device_attribute *attr,
 913                                const char *buffer, size_t count)
 914 {
 915         int value;
 916         struct sony_nc_value *item =
 917             container_of(attr, struct sony_nc_value, devattr);
 918
 919         if (!item->acpiset)
 920                 return -EIO;
 921
 922         if (count > 31)
 923                 return -EINVAL;
 924
 925         value = simple_strtoul(buffer, NULL, 10);
 926
 927         if (item->validate)
 928                 value = item->validate(SNC_VALIDATE_IN, value);
 929
 930         if (value < 0)
 931                 return value;
 932
 933         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 934                 return -EIO;
 935         item->value = value;
 936         item->valid = 1;
 937         return count;
 938 }
 939
 940
 941 /*
 942  * Backlight device
 943  */
 944 struct sony_backlight_props {
 945         struct backlight_device *dev;
 946         int                     handle;
 947         u8                      offset;
 948         u8                      maxlvl;
 949 };
 950 struct sony_backlight_props sony_bl_props;
 951
 952 static int sony_backlight_update_status(struct backlight_device *bd)
 953 {
 954         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 955                                 bd->props.brightness + 1, NULL);
 956 }
 957
 958 static int sony_backlight_get_brightness(struct backlight_device *bd)
 959 {
 960         int value;
 961
 962         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 963                 return 0;
 964         /* brightness levels are 1-based, while backlight ones are 0-based */
 965         return value - 1;
 966 }
 967
 968 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
 969 {
 970         int result;
 971         struct sony_backlight_props *sdev =
 972                 (struct sony_backlight_props *)bl_get_data(bd);
 973
 974         sony_call_snc_handle(sdev->handle, 0x0200, &result);
 975
 976         return (result & 0xff) - sdev->offset;
 977 }
 978
 979 static int sony_nc_update_status_ng(struct backlight_device *bd)
 980 {
 981         int value, result;
 982         struct sony_backlight_props *sdev =
 983                 (struct sony_backlight_props *)bl_get_data(bd);
 984
 985         value = bd->props.brightness + sdev->offset;
 986         if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
 987                 return -EIO;
 988
 989         return value;
 990 }
 991
 992 static const struct backlight_ops sony_backlight_ops = {
 993         .options = BL_CORE_SUSPENDRESUME,
 994         .update_status = sony_backlight_update_status,
 995         .get_brightness = sony_backlight_get_brightness,
 996 };
 997 static const struct backlight_ops sony_backlight_ng_ops = {
 998         .options = BL_CORE_SUSPENDRESUME,
 999         .update_status = sony_nc_update_status_ng,
1000         .get_brightness = sony_nc_get_brightness_ng,
1001 };
1002
1003 /*
1004  * New SNC-only Vaios event mapping to driver known keys
1005  */
1006 struct sony_nc_event {
1007         u8      data;
1008         u8      event;
1009 };
1010
1011 static struct sony_nc_event sony_100_events[] = {
1012         { 0x90, SONYPI_EVENT_PKEY_P1 },
1013         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1014         { 0x91, SONYPI_EVENT_PKEY_P2 },
1015         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1016         { 0x81, SONYPI_EVENT_FNKEY_F1 },
1017         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1018         { 0x82, SONYPI_EVENT_FNKEY_F2 },
1019         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1020         { 0x83, SONYPI_EVENT_FNKEY_F3 },
1021         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1022         { 0x84, SONYPI_EVENT_FNKEY_F4 },
1023         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1024         { 0x85, SONYPI_EVENT_FNKEY_F5 },
1025         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1026         { 0x86, SONYPI_EVENT_FNKEY_F6 },
1027         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1028         { 0x87, SONYPI_EVENT_FNKEY_F7 },
1029         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1030         { 0x89, SONYPI_EVENT_FNKEY_F9 },
1031         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1032         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1033         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1034         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1035         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1036         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1037         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1038         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1039         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1040         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1041         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1042         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1043         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1044         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1045         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1046         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1047         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1048         { 0, 0 },
1049 };
1050
1051 static struct sony_nc_event sony_127_events[] = {
1052         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1053         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1054         { 0x82, SONYPI_EVENT_PKEY_P1 },
1055         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1056         { 0x83, SONYPI_EVENT_PKEY_P2 },
1057         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1058         { 0x84, SONYPI_EVENT_PKEY_P3 },
1059         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1060         { 0x85, SONYPI_EVENT_PKEY_P4 },
1061         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1062         { 0x86, SONYPI_EVENT_PKEY_P5 },
1063         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1064         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1065         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1066         { 0, 0 },
1067 };
1068
1069 /*
1070  * ACPI callbacks
1071  */
1072 static void sony_nc_notify(struct acpi_device *device, u32 event)
1073 {
1074         u32 ev = event;
1075
1076         if (ev >= 0x90) {
1077                 /* New-style event */
1078                 int result;
1079                 int key_handle = 0;
1080                 ev -= 0x90;
1081
1082                 if (sony_find_snc_handle(0x100) == ev)
1083                         key_handle = 0x100;
1084                 if (sony_find_snc_handle(0x127) == ev)
1085                         key_handle = 0x127;
1086
1087                 if (key_handle) {
1088                         struct sony_nc_event *key_event;
1089
1090                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1091                                 dprintk("sony_nc_notify, unable to decode"
1092                                         " event 0x%.2x 0x%.2x\n", key_handle,
1093                                         ev);
1094                                 /* restore the original event */
1095                                 ev = event;
1096                         } else {
1097                                 ev = result & 0xFF;
1098
1099                                 if (key_handle == 0x100)
1100                                         key_event = sony_100_events;
1101                                 else
1102                                         key_event = sony_127_events;
1103
1104                                 for (; key_event->data; key_event++) {
1105                                         if (key_event->data == ev) {
1106                                                 ev = key_event->event;
1107                                                 break;
1108                                         }
1109                                 }
1110
1111                                 if (!key_event->data)
1112                                         pr_info("Unknown event: 0x%x 0x%x\n",
1113                                                 key_handle, ev);
1114                                 else
1115                                         sony_laptop_report_input_event(ev);
1116                         }
1117                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1118                         sony_nc_rfkill_update();
1119                         return;
1120                 }
1121         } else
1122                 sony_laptop_report_input_event(ev);
1123
1124         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1125         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1126 }
1127
1128 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1129                                       void *context, void **return_value)
1130 {
1131         struct acpi_device_info *info;
1132
1133         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1134                 pr_warn("method: name: %4.4s, args %X\n",
1135                         (char *)&info->name, info->param_count);
1136
1137                 kfree(info);
1138         }
1139
1140         return AE_OK;
1141 }
1142
1143 /*
1144  * ACPI device
1145  */
1146 static int sony_nc_function_setup(struct acpi_device *device)
1147 {
1148         int result;
1149
1150         /* Enable all events */
1151         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1152
1153         /* Setup hotkeys */
1154         sony_call_snc_handle(0x0100, 0, &result);
1155         sony_call_snc_handle(0x0101, 0, &result);
1156         sony_call_snc_handle(0x0102, 0x100, &result);
1157         sony_call_snc_handle(0x0127, 0, &result);
1158
1159         return 0;
1160 }
1161
1162 static int sony_nc_resume(struct acpi_device *device)
1163 {
1164         struct sony_nc_value *item;
1165         acpi_handle handle;
1166
1167         for (item = sony_nc_values; item->name; item++) {
1168                 int ret;
1169
1170                 if (!item->valid)
1171                         continue;
1172                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1173                                        item->value, NULL);
1174                 if (ret < 0) {
1175                         pr_err("%s: %d\n", __func__, ret);
1176                         break;
1177                 }
1178         }
1179
1180         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1181                                          &handle))) {
1182                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1183                         dprintk("ECON Method failed\n");
1184         }
1185
1186         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1187                                          &handle))) {
1188                 dprintk("Doing SNC setup\n");
1189                 sony_nc_function_setup(device);
1190         }
1191
1192         /* re-read rfkill state */
1193         sony_nc_rfkill_update();
1194
1195         /* restore kbd backlight states */
1196         sony_nc_kbd_backlight_resume();
1197
1198         return 0;
1199 }
1200
1201 static void sony_nc_rfkill_cleanup(void)
1202 {
1203         int i;
1204
1205         for (i = 0; i < N_SONY_RFKILL; i++) {
1206                 if (sony_rfkill_devices[i]) {
1207                         rfkill_unregister(sony_rfkill_devices[i]);
1208                         rfkill_destroy(sony_rfkill_devices[i]);
1209                 }
1210         }
1211 }
1212
1213 static int sony_nc_rfkill_set(void *data, bool blocked)
1214 {
1215         int result;
1216         int argument = sony_rfkill_address[(long) data] + 0x100;
1217
1218         if (!blocked)
1219                 argument |= 0xff0000;
1220
1221         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1222 }
1223
1224 static const struct rfkill_ops sony_rfkill_ops = {
1225         .set_block = sony_nc_rfkill_set,
1226 };
1227
1228 static int sony_nc_setup_rfkill(struct acpi_device *device,
1229                                 enum sony_nc_rfkill nc_type)
1230 {
1231         int err = 0;
1232         struct rfkill *rfk;
1233         enum rfkill_type type;
1234         const char *name;
1235         int result;
1236         bool hwblock;
1237
1238         switch (nc_type) {
1239         case SONY_WIFI:
1240                 type = RFKILL_TYPE_WLAN;
1241                 name = "sony-wifi";
1242                 break;
1243         case SONY_BLUETOOTH:
1244                 type = RFKILL_TYPE_BLUETOOTH;
1245                 name = "sony-bluetooth";
1246                 break;
1247         case SONY_WWAN:
1248                 type = RFKILL_TYPE_WWAN;
1249                 name = "sony-wwan";
1250                 break;
1251         case SONY_WIMAX:
1252                 type = RFKILL_TYPE_WIMAX;
1253                 name = "sony-wimax";
1254                 break;
1255         default:
1256                 return -EINVAL;
1257         }
1258
1259         rfk = rfkill_alloc(name, &device->dev, type,
1260                            &sony_rfkill_ops, (void *)nc_type);
1261         if (!rfk)
1262                 return -ENOMEM;
1263
1264         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1265         hwblock = !(result & 0x1);
1266         rfkill_set_hw_state(rfk, hwblock);
1267
1268         err = rfkill_register(rfk);
1269         if (err) {
1270                 rfkill_destroy(rfk);
1271                 return err;
1272         }
1273         sony_rfkill_devices[nc_type] = rfk;
1274         return err;
1275 }
1276
1277 static void sony_nc_rfkill_update(void)
1278 {
1279         enum sony_nc_rfkill i;
1280         int result;
1281         bool hwblock;
1282
1283         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1284         hwblock = !(result & 0x1);
1285
1286         for (i = 0; i < N_SONY_RFKILL; i++) {
1287                 int argument = sony_rfkill_address[i];
1288
1289                 if (!sony_rfkill_devices[i])
1290                         continue;
1291
1292                 if (hwblock) {
1293                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1294                                 /* we already know we're blocked */
1295                         }
1296                         continue;
1297                 }
1298
1299                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1300                 rfkill_set_states(sony_rfkill_devices[i],
1301                                   !(result & 0xf), false);
1302         }
1303 }
1304
1305 static void sony_nc_rfkill_setup(struct acpi_device *device)
1306 {
1307         int offset;
1308         u8 dev_code, i;
1309         acpi_status status;
1310         struct acpi_object_list params;
1311         union acpi_object in_obj;
1312         union acpi_object *device_enum;
1313         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1314
1315         offset = sony_find_snc_handle(0x124);
1316         if (offset == -1) {
1317                 offset = sony_find_snc_handle(0x135);
1318                 if (offset == -1)
1319                         return;
1320                 else
1321                         sony_rfkill_handle = 0x135;
1322         } else
1323                 sony_rfkill_handle = 0x124;
1324         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1325
1326         /* need to read the whole buffer returned by the acpi call to SN06
1327          * here otherwise we may miss some features
1328          */
1329         params.count = 1;
1330         params.pointer = &in_obj;
1331         in_obj.type = ACPI_TYPE_INTEGER;
1332         in_obj.integer.value = offset;
1333         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1334                         &buffer);
1335         if (ACPI_FAILURE(status)) {
1336                 dprintk("Radio device enumeration failed\n");
1337                 return;
1338         }
1339
1340         device_enum = (union acpi_object *) buffer.pointer;
1341         if (!device_enum) {
1342                 pr_err("No SN06 return object\n");
1343                 goto out_no_enum;
1344         }
1345         if (device_enum->type != ACPI_TYPE_BUFFER) {
1346                 pr_err("Invalid SN06 return object 0x%.2x\n",
1347                        device_enum->type);
1348                 goto out_no_enum;
1349         }
1350
1351         /* the buffer is filled with magic numbers describing the devices
1352          * available, 0xff terminates the enumeration
1353          */
1354         for (i = 0; i < device_enum->buffer.length; i++) {
1355
1356                 dev_code = *(device_enum->buffer.pointer + i);
1357                 if (dev_code == 0xff)
1358                         break;
1359
1360                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1361
1362                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1363                         sony_nc_setup_rfkill(device, SONY_WIFI);
1364
1365                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1366                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1367
1368                 if ((0xf0 & dev_code) == 0x20 &&
1369                                 !sony_rfkill_devices[SONY_WWAN])
1370                         sony_nc_setup_rfkill(device, SONY_WWAN);
1371
1372                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1373                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1374         }
1375
1376 out_no_enum:
1377         kfree(buffer.pointer);
1378         return;
1379 }
1380
1381 /* Keyboard backlight feature */
1382 #define KBDBL_HANDLER   0x137
1383 #define KBDBL_PRESENT   0xB00
1384 #define SET_MODE        0xC00
1385 #define SET_STATE       0xD00
1386 #define SET_TIMEOUT     0xE00
1387
1388 struct kbd_backlight {
1389         int mode;
1390         int timeout;
1391         struct device_attribute mode_attr;
1392         struct device_attribute timeout_attr;
1393 };
1394
1395 static struct kbd_backlight *kbdbl_handle;
1396
1397 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1398 {
1399         int result;
1400
1401         if (value > 1)
1402                 return -EINVAL;
1403
1404         if (sony_call_snc_handle(KBDBL_HANDLER,
1405                                 (value << 0x10) | SET_MODE, &result))
1406                 return -EIO;
1407
1408         /* Try to turn the light on/off immediately */
1409         sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1410                         &result);
1411
1412         kbdbl_handle->mode = value;
1413
1414         return 0;
1415 }
1416
1417 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1418                 struct device_attribute *attr,
1419                 const char *buffer, size_t count)
1420 {
1421         int ret = 0;
1422         unsigned long value;
1423
1424         if (count > 31)
1425                 return -EINVAL;
1426
1427         if (strict_strtoul(buffer, 10, &value))
1428                 return -EINVAL;
1429
1430         ret = __sony_nc_kbd_backlight_mode_set(value);
1431         if (ret < 0)
1432                 return ret;
1433
1434         return count;
1435 }
1436
1437 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1438                 struct device_attribute *attr, char *buffer)
1439 {
1440         ssize_t count = 0;
1441         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1442         return count;
1443 }
1444
1445 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1446 {
1447         int result;
1448
1449         if (value > 3)
1450                 return -EINVAL;
1451
1452         if (sony_call_snc_handle(KBDBL_HANDLER,
1453                                 (value << 0x10) | SET_TIMEOUT, &result))
1454                 return -EIO;
1455
1456         kbdbl_handle->timeout = value;
1457
1458         return 0;
1459 }
1460
1461 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1462                 struct device_attribute *attr,
1463                 const char *buffer, size_t count)
1464 {
1465         int ret = 0;
1466         unsigned long value;
1467
1468         if (count > 31)
1469                 return -EINVAL;
1470
1471         if (strict_strtoul(buffer, 10, &value))
1472                 return -EINVAL;
1473
1474         ret = __sony_nc_kbd_backlight_timeout_set(value);
1475         if (ret < 0)
1476                 return ret;
1477
1478         return count;
1479 }
1480
1481 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1482                 struct device_attribute *attr, char *buffer)
1483 {
1484         ssize_t count = 0;
1485         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1486         return count;
1487 }
1488
1489 static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1490 {
1491         int result;
1492
1493         if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1494                 return 0;
1495         if (!(result & 0x02))
1496                 return 0;
1497
1498         kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1499         if (!kbdbl_handle)
1500                 return -ENOMEM;
1501
1502         sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1503         kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1504         kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1505         kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1506         kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1507
1508         sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1509         kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1510         kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1511         kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1512         kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1513
1514         if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1515                 goto outkzalloc;
1516
1517         if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1518                 goto outmode;
1519
1520         __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1521         __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1522
1523         return 0;
1524
1525 outmode:
1526         device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1527 outkzalloc:
1528         kfree(kbdbl_handle);
1529         kbdbl_handle = NULL;
1530         return -1;
1531 }
1532
1533 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1534 {
1535         if (kbdbl_handle) {
1536                 int result;
1537
1538                 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1539                 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1540
1541                 /* restore the default hw behaviour */
1542                 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1543                 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1544
1545                 kfree(kbdbl_handle);
1546         }
1547         return 0;
1548 }
1549
1550 static void sony_nc_kbd_backlight_resume(void)
1551 {
1552         int ignore = 0;
1553
1554         if (!kbdbl_handle)
1555                 return;
1556
1557         if (kbdbl_handle->mode == 0)
1558                 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1559
1560         if (kbdbl_handle->timeout != 0)
1561                 sony_call_snc_handle(KBDBL_HANDLER,
1562                                 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1563                                 &ignore);
1564 }
1565
1566 static void sony_nc_backlight_ng_read_limits(int handle,
1567                 struct sony_backlight_props *props)
1568 {
1569         int offset;
1570         acpi_status status;
1571         u8 brlvl, i;
1572         u8 min = 0xff, max = 0x00;
1573         struct acpi_object_list params;
1574         union acpi_object in_obj;
1575         union acpi_object *lvl_enum;
1576         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1577
1578         props->handle = handle;
1579         props->offset = 0;
1580         props->maxlvl = 0xff;
1581
1582         offset = sony_find_snc_handle(handle);
1583         if (offset < 0)
1584                 return;
1585
1586         /* try to read the boundaries from ACPI tables, if we fail the above
1587          * defaults should be reasonable
1588          */
1589         params.count = 1;
1590         params.pointer = &in_obj;
1591         in_obj.type = ACPI_TYPE_INTEGER;
1592         in_obj.integer.value = offset;
1593         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1594                         &buffer);
1595         if (ACPI_FAILURE(status))
1596                 return;
1597
1598         lvl_enum = (union acpi_object *) buffer.pointer;
1599         if (!lvl_enum) {
1600                 pr_err("No SN06 return object.");
1601                 return;
1602         }
1603         if (lvl_enum->type != ACPI_TYPE_BUFFER) {
1604                 pr_err("Invalid SN06 return object 0x%.2x\n",
1605                        lvl_enum->type);
1606                 goto out_invalid;
1607         }
1608
1609         /* the buffer lists brightness levels available, brightness levels are
1610          * from 0 to 8 in the array, other values are used by ALS control.
1611          */
1612         for (i = 0; i < 9 && i < lvl_enum->buffer.length; i++) {
1613
1614                 brlvl = *(lvl_enum->buffer.pointer + i);
1615                 dprintk("Brightness level: %d\n", brlvl);
1616
1617                 if (!brlvl)
1618                         break;
1619
1620                 if (brlvl > max)
1621                         max = brlvl;
1622                 if (brlvl < min)
1623                         min = brlvl;
1624         }
1625         props->offset = min;
1626         props->maxlvl = max;
1627         dprintk("Brightness levels: min=%d max=%d\n", props->offset,
1628                         props->maxlvl);
1629
1630 out_invalid:
1631         kfree(buffer.pointer);
1632         return;
1633 }
1634
1635 static void sony_nc_backlight_setup(void)
1636 {
1637         acpi_handle unused;
1638         int max_brightness = 0;
1639         const struct backlight_ops *ops = NULL;
1640         struct backlight_properties props;
1641
1642         if (sony_find_snc_handle(0x12f) != -1) {
1643                 ops = &sony_backlight_ng_ops;
1644                 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
1645                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1646
1647         } else if (sony_find_snc_handle(0x137) != -1) {
1648                 ops = &sony_backlight_ng_ops;
1649                 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
1650                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1651
1652         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1653                                                 &unused))) {
1654                 ops = &sony_backlight_ops;
1655                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1656
1657         } else
1658                 return;
1659
1660         memset(&props, 0, sizeof(struct backlight_properties));
1661         props.type = BACKLIGHT_PLATFORM;
1662         props.max_brightness = max_brightness;
1663         sony_bl_props.dev = backlight_device_register("sony", NULL,
1664                                                       &sony_bl_props,
1665                                                       ops, &props);
1666
1667         if (IS_ERR(sony_bl_props.dev)) {
1668                 pr_warn("unable to register backlight device\n");
1669                 sony_bl_props.dev = NULL;
1670         } else
1671                 sony_bl_props.dev->props.brightness =
1672                         ops->get_brightness(sony_bl_props.dev);
1673 }
1674
1675 static void sony_nc_backlight_cleanup(void)
1676 {
1677         if (sony_bl_props.dev)
1678                 backlight_device_unregister(sony_bl_props.dev);
1679 }
1680
1681 static int sony_nc_add(struct acpi_device *device)
1682 {
1683         acpi_status status;
1684         int result = 0;
1685         acpi_handle handle;
1686         struct sony_nc_value *item;
1687
1688         pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1689
1690         sony_nc_acpi_device = device;
1691         strcpy(acpi_device_class(device), "sony/hotkey");
1692
1693         sony_nc_acpi_handle = device->handle;
1694
1695         /* read device status */
1696         result = acpi_bus_get_status(device);
1697         /* bail IFF the above call was successful and the device is not present */
1698         if (!result && !device->status.present) {
1699                 dprintk("Device not present\n");
1700                 result = -ENODEV;
1701                 goto outwalk;
1702         }
1703
1704         result = sony_pf_add();
1705         if (result)
1706                 goto outpresent;
1707
1708         if (debug) {
1709                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1710                                 sony_nc_acpi_handle, 1, sony_walk_callback,
1711                                 NULL, NULL, NULL);
1712                 if (ACPI_FAILURE(status)) {
1713                         pr_warn("unable to walk acpi resources\n");
1714                         result = -ENODEV;
1715                         goto outpresent;
1716                 }
1717         }
1718
1719         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1720                                          &handle))) {
1721                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1722                         dprintk("ECON Method failed\n");
1723         }
1724
1725         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1726                                          &handle))) {
1727                 dprintk("Doing SNC setup\n");
1728                 result = sony_nc_handles_setup(sony_pf_device);
1729                 if (result)
1730                         goto outpresent;
1731                 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1732                 if (result)
1733                         goto outsnc;
1734                 sony_nc_function_setup(device);
1735                 sony_nc_rfkill_setup(device);
1736         }
1737
1738         /* setup input devices and helper fifo */
1739         result = sony_laptop_setup_input(device);
1740         if (result) {
1741                 pr_err("Unable to create input devices\n");
1742                 goto outkbdbacklight;
1743         }
1744
1745         if (acpi_video_backlight_support()) {
1746                 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
1747         } else {
1748                 sony_nc_backlight_setup();
1749         }
1750
1751         /* create sony_pf sysfs attributes related to the SNC device */
1752         for (item = sony_nc_values; item->name; ++item) {
1753
1754                 if (!debug && item->debug)
1755                         continue;
1756
1757                 /* find the available acpiget as described in the DSDT */
1758                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1759                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1760                                                          *item->acpiget,
1761                                                          &handle))) {
1762                                 dprintk("Found %s getter: %s\n",
1763                                                 item->name, *item->acpiget);
1764                                 item->devattr.attr.mode |= S_IRUGO;
1765                                 break;
1766                         }
1767                 }
1768
1769                 /* find the available acpiset as described in the DSDT */
1770                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1771                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1772                                                          *item->acpiset,
1773                                                          &handle))) {
1774                                 dprintk("Found %s setter: %s\n",
1775                                                 item->name, *item->acpiset);
1776                                 item->devattr.attr.mode |= S_IWUSR;
1777                                 break;
1778                         }
1779                 }
1780
1781                 if (item->devattr.attr.mode != 0) {
1782                         result =
1783                             device_create_file(&sony_pf_device->dev,
1784                                                &item->devattr);
1785                         if (result)
1786                                 goto out_sysfs;
1787                 }
1788         }
1789
1790         return 0;
1791
1792       out_sysfs:
1793         for (item = sony_nc_values; item->name; ++item) {
1794                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1795         }
1796         sony_nc_backlight_cleanup();
1797
1798         sony_laptop_remove_input();
1799
1800       outkbdbacklight:
1801         sony_nc_kbd_backlight_cleanup(sony_pf_device);
1802
1803       outsnc:
1804         sony_nc_handles_cleanup(sony_pf_device);
1805
1806       outpresent:
1807         sony_pf_remove();
1808
1809       outwalk:
1810         sony_nc_rfkill_cleanup();
1811         return result;
1812 }
1813
1814 static int sony_nc_remove(struct acpi_device *device, int type)
1815 {
1816         struct sony_nc_value *item;
1817
1818         sony_nc_backlight_cleanup();
1819
1820         sony_nc_acpi_device = NULL;
1821
1822         for (item = sony_nc_values; item->name; ++item) {
1823                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1824         }
1825
1826         sony_nc_kbd_backlight_cleanup(sony_pf_device);
1827         sony_nc_handles_cleanup(sony_pf_device);
1828         sony_pf_remove();
1829         sony_laptop_remove_input();
1830         sony_nc_rfkill_cleanup();
1831         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1832
1833         return 0;
1834 }
1835
1836 static const struct acpi_device_id sony_device_ids[] = {
1837         {SONY_NC_HID, 0},
1838         {SONY_PIC_HID, 0},
1839         {"", 0},
1840 };
1841 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1842
1843 static const struct acpi_device_id sony_nc_device_ids[] = {
1844         {SONY_NC_HID, 0},
1845         {"", 0},
1846 };
1847
1848 static struct acpi_driver sony_nc_driver = {
1849         .name = SONY_NC_DRIVER_NAME,
1850         .class = SONY_NC_CLASS,
1851         .ids = sony_nc_device_ids,
1852         .owner = THIS_MODULE,
1853         .ops = {
1854                 .add = sony_nc_add,
1855                 .remove = sony_nc_remove,
1856                 .resume = sony_nc_resume,
1857                 .notify = sony_nc_notify,
1858                 },
1859 };
1860
1861 /*********** SPIC (SNY6001) Device ***********/
1862
1863 #define SONYPI_DEVICE_TYPE1     0x00000001
1864 #define SONYPI_DEVICE_TYPE2     0x00000002
1865 #define SONYPI_DEVICE_TYPE3     0x00000004
1866
1867 #define SONYPI_TYPE1_OFFSET     0x04
1868 #define SONYPI_TYPE2_OFFSET     0x12
1869 #define SONYPI_TYPE3_OFFSET     0x12
1870
1871 struct sony_pic_ioport {
1872         struct acpi_resource_io io1;
1873         struct acpi_resource_io io2;
1874         struct list_head        list;
1875 };
1876
1877 struct sony_pic_irq {
1878         struct acpi_resource_irq        irq;
1879         struct list_head                list;
1880 };
1881
1882 struct sonypi_eventtypes {
1883         u8                      data;
1884         unsigned long           mask;
1885         struct sonypi_event     *events;
1886 };
1887
1888 struct sony_pic_dev {
1889         struct acpi_device              *acpi_dev;
1890         struct sony_pic_irq             *cur_irq;
1891         struct sony_pic_ioport          *cur_ioport;
1892         struct list_head                interrupts;
1893         struct list_head                ioports;
1894         struct mutex                    lock;
1895         struct sonypi_eventtypes        *event_types;
1896         int                             (*handle_irq)(const u8, const u8);
1897         int                             model;
1898         u16                             evport_offset;
1899         u8                              camera_power;
1900         u8                              bluetooth_power;
1901         u8                              wwan_power;
1902 };
1903
1904 static struct sony_pic_dev spic_dev = {
1905         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1906         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1907 };
1908
1909 static int spic_drv_registered;
1910
1911 /* Event masks */
1912 #define SONYPI_JOGGER_MASK                      0x00000001
1913 #define SONYPI_CAPTURE_MASK                     0x00000002
1914 #define SONYPI_FNKEY_MASK                       0x00000004
1915 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1916 #define SONYPI_PKEY_MASK                        0x00000010
1917 #define SONYPI_BACK_MASK                        0x00000020
1918 #define SONYPI_HELP_MASK                        0x00000040
1919 #define SONYPI_LID_MASK                         0x00000080
1920 #define SONYPI_ZOOM_MASK                        0x00000100
1921 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1922 #define SONYPI_MEYE_MASK                        0x00000400
1923 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1924 #define SONYPI_BATTERY_MASK                     0x00001000
1925 #define SONYPI_WIRELESS_MASK                    0x00002000
1926
1927 struct sonypi_event {
1928         u8      data;
1929         u8      event;
1930 };
1931
1932 /* The set of possible button release events */
1933 static struct sonypi_event sonypi_releaseev[] = {
1934         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1935         { 0, 0 }
1936 };
1937
1938 /* The set of possible jogger events  */
1939 static struct sonypi_event sonypi_joggerev[] = {
1940         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1941         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1942         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1943         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1944         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1945         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1946         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1947         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1948         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1949         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1950         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1951         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1952         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1953         { 0, 0 }
1954 };
1955
1956 /* The set of possible capture button events */
1957 static struct sonypi_event sonypi_captureev[] = {
1958         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1959         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1960         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1961         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1962         { 0, 0 }
1963 };
1964
1965 /* The set of possible fnkeys events */
1966 static struct sonypi_event sonypi_fnkeyev[] = {
1967         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1968         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1969         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1970         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1971         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1972         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1973         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1974         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1975         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1976         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1977         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1978         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1979         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1980         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1981         { 0x21, SONYPI_EVENT_FNKEY_1 },
1982         { 0x22, SONYPI_EVENT_FNKEY_2 },
1983         { 0x31, SONYPI_EVENT_FNKEY_D },
1984         { 0x32, SONYPI_EVENT_FNKEY_E },
1985         { 0x33, SONYPI_EVENT_FNKEY_F },
1986         { 0x34, SONYPI_EVENT_FNKEY_S },
1987         { 0x35, SONYPI_EVENT_FNKEY_B },
1988         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1989         { 0, 0 }
1990 };
1991
1992 /* The set of possible program key events */
1993 static struct sonypi_event sonypi_pkeyev[] = {
1994         { 0x01, SONYPI_EVENT_PKEY_P1 },
1995         { 0x02, SONYPI_EVENT_PKEY_P2 },
1996         { 0x04, SONYPI_EVENT_PKEY_P3 },
1997         { 0x20, SONYPI_EVENT_PKEY_P1 },
1998         { 0, 0 }
1999 };
2000
2001 /* The set of possible bluetooth events */
2002 static struct sonypi_event sonypi_blueev[] = {
2003         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
2004         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
2005         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2006         { 0, 0 }
2007 };
2008
2009 /* The set of possible wireless events */
2010 static struct sonypi_event sonypi_wlessev[] = {
2011         { 0x59, SONYPI_EVENT_IGNORE },
2012         { 0x5a, SONYPI_EVENT_IGNORE },
2013         { 0, 0 }
2014 };
2015
2016 /* The set of possible back button events */
2017 static struct sonypi_event sonypi_backev[] = {
2018         { 0x20, SONYPI_EVENT_BACK_PRESSED },
2019         { 0, 0 }
2020 };
2021
2022 /* The set of possible help button events */
2023 static struct sonypi_event sonypi_helpev[] = {
2024         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2025         { 0, 0 }
2026 };
2027
2028
2029 /* The set of possible lid events */
2030 static struct sonypi_event sonypi_lidev[] = {
2031         { 0x51, SONYPI_EVENT_LID_CLOSED },
2032         { 0x50, SONYPI_EVENT_LID_OPENED },
2033         { 0, 0 }
2034 };
2035
2036 /* The set of possible zoom events */
2037 static struct sonypi_event sonypi_zoomev[] = {
2038         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2039         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2040         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2041         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2042         { 0, 0 }
2043 };
2044
2045 /* The set of possible thumbphrase events */
2046 static struct sonypi_event sonypi_thumbphraseev[] = {
2047         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2048         { 0, 0 }
2049 };
2050
2051 /* The set of possible motioneye camera events */
2052 static struct sonypi_event sonypi_meyeev[] = {
2053         { 0x00, SONYPI_EVENT_MEYE_FACE },
2054         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2055         { 0, 0 }
2056 };
2057
2058 /* The set of possible memorystick events */
2059 static struct sonypi_event sonypi_memorystickev[] = {
2060         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2061         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2062         { 0, 0 }
2063 };
2064
2065 /* The set of possible battery events */
2066 static struct sonypi_event sonypi_batteryev[] = {
2067         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2068         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2069         { 0, 0 }
2070 };
2071
2072 /* The set of possible volume events */
2073 static struct sonypi_event sonypi_volumeev[] = {
2074         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2075         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2076         { 0, 0 }
2077 };
2078
2079 /* The set of possible brightness events */
2080 static struct sonypi_event sonypi_brightnessev[] = {
2081         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2082         { 0, 0 }
2083 };
2084
2085 static struct sonypi_eventtypes type1_events[] = {
2086         { 0, 0xffffffff, sonypi_releaseev },
2087         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2088         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2089         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2090         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2091         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2092         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2093         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2094         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2095         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2096         { 0 },
2097 };
2098 static struct sonypi_eventtypes type2_events[] = {
2099         { 0, 0xffffffff, sonypi_releaseev },
2100         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2101         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2102         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2103         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2104         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2105         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2106         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2107         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2108         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2109         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2110         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2111         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2112         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2113         { 0 },
2114 };
2115 static struct sonypi_eventtypes type3_events[] = {
2116         { 0, 0xffffffff, sonypi_releaseev },
2117         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2118         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2119         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2120         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2121         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2122         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2123         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2124         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2125         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2126         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
2127         { 0 },
2128 };
2129
2130 /* low level spic calls */
2131 #define ITERATIONS_LONG         10000
2132 #define ITERATIONS_SHORT        10
2133 #define wait_on_command(command, iterations) {                          \
2134         unsigned int n = iterations;                                    \
2135         while (--n && (command))                                        \
2136                 udelay(1);                                              \
2137         if (!n)                                                         \
2138                 dprintk("command failed at %s : %s (line %d)\n",        \
2139                                 __FILE__, __func__, __LINE__);  \
2140 }
2141
2142 static u8 sony_pic_call1(u8 dev)
2143 {
2144         u8 v1, v2;
2145
2146         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2147                         ITERATIONS_LONG);
2148         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2149         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2150         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2151         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2152         return v2;
2153 }
2154
2155 static u8 sony_pic_call2(u8 dev, u8 fn)
2156 {
2157         u8 v1;
2158
2159         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2160                         ITERATIONS_LONG);
2161         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2162         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2163                         ITERATIONS_LONG);
2164         outb(fn, spic_dev.cur_ioport->io1.minimum);
2165         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2166         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2167         return v1;
2168 }
2169
2170 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2171 {
2172         u8 v1;
2173
2174         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2175         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2176         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2177         outb(fn, spic_dev.cur_ioport->io1.minimum);
2178         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2179         outb(v, spic_dev.cur_ioport->io1.minimum);
2180         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2181         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2182                         dev, fn, v, v1);
2183         return v1;
2184 }
2185
2186 /*
2187  * minidrivers for SPIC models
2188  */
2189 static int type3_handle_irq(const u8 data_mask, const u8 ev)
2190 {
2191         /*
2192          * 0x31 could mean we have to take some extra action and wait for
2193          * the next irq for some Type3 models, it will generate a new
2194          * irq and we can read new data from the device:
2195          *  - 0x5c and 0x5f requires 0xA0
2196          *  - 0x61 requires 0xB3
2197          */
2198         if (data_mask == 0x31) {
2199                 if (ev == 0x5c || ev == 0x5f)
2200                         sony_pic_call1(0xA0);
2201                 else if (ev == 0x61)
2202                         sony_pic_call1(0xB3);
2203                 return 0;
2204         }
2205         return 1;
2206 }
2207
2208 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2209 {
2210         struct pci_dev *pcidev;
2211
2212         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2213                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2214         if (pcidev) {
2215                 dev->model = SONYPI_DEVICE_TYPE1;
2216                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2217                 dev->event_types = type1_events;
2218                 goto out;
2219         }
2220
2221         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2222                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2223         if (pcidev) {
2224                 dev->model = SONYPI_DEVICE_TYPE2;
2225                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2226                 dev->event_types = type2_events;
2227                 goto out;
2228         }
2229
2230         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2231                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2232         if (pcidev) {
2233                 dev->model = SONYPI_DEVICE_TYPE3;
2234                 dev->handle_irq = type3_handle_irq;
2235                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2236                 dev->event_types = type3_events;
2237                 goto out;
2238         }
2239
2240         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2241                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2242         if (pcidev) {
2243                 dev->model = SONYPI_DEVICE_TYPE3;
2244                 dev->handle_irq = type3_handle_irq;
2245                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2246                 dev->event_types = type3_events;
2247                 goto out;
2248         }
2249
2250         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2251                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2252         if (pcidev) {
2253                 dev->model = SONYPI_DEVICE_TYPE3;
2254                 dev->handle_irq = type3_handle_irq;
2255                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2256                 dev->event_types = type3_events;
2257                 goto out;
2258         }
2259
2260         /* default */
2261         dev->model = SONYPI_DEVICE_TYPE2;
2262         dev->evport_offset = SONYPI_TYPE2_OFFSET;
2263         dev->event_types = type2_events;
2264
2265 out:
2266         if (pcidev)
2267                 pci_dev_put(pcidev);
2268
2269         pr_info("detected Type%d model\n",
2270                 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2271                 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2272 }
2273
2274 /* camera tests and poweron/poweroff */
2275 #define SONYPI_CAMERA_PICTURE           5
2276 #define SONYPI_CAMERA_CONTROL           0x10
2277
2278 #define SONYPI_CAMERA_BRIGHTNESS                0
2279 #define SONYPI_CAMERA_CONTRAST                  1
2280 #define SONYPI_CAMERA_HUE                       2
2281 #define SONYPI_CAMERA_COLOR                     3
2282 #define SONYPI_CAMERA_SHARPNESS                 4
2283
2284 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
2285 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
2286 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
2287 #define SONYPI_CAMERA_MUTE_MASK                 0x40
2288
2289 /* the rest don't need a loop until not 0xff */
2290 #define SONYPI_CAMERA_AGC                       6
2291 #define SONYPI_CAMERA_AGC_MASK                  0x30
2292 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
2293
2294 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
2295 #define SONYPI_CAMERA_CONTROL                   0x10
2296
2297 #define SONYPI_CAMERA_STATUS                    7
2298 #define SONYPI_CAMERA_STATUS_READY              0x2
2299 #define SONYPI_CAMERA_STATUS_POSITION           0x4
2300
2301 #define SONYPI_DIRECTION_BACKWARDS              0x4
2302
2303 #define SONYPI_CAMERA_REVISION                  8
2304 #define SONYPI_CAMERA_ROMVERSION                9
2305
2306 static int __sony_pic_camera_ready(void)
2307 {
2308         u8 v;
2309
2310         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2311         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2312 }
2313
2314 static int __sony_pic_camera_off(void)
2315 {
2316         if (!camera) {
2317                 pr_warn("camera control not enabled\n");
2318                 return -ENODEV;
2319         }
2320
2321         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2322                                 SONYPI_CAMERA_MUTE_MASK),
2323                         ITERATIONS_SHORT);
2324
2325         if (spic_dev.camera_power) {
2326                 sony_pic_call2(0x91, 0);
2327                 spic_dev.camera_power = 0;
2328         }
2329         return 0;
2330 }
2331
2332 static int __sony_pic_camera_on(void)
2333 {
2334         int i, j, x;
2335
2336         if (!camera) {
2337                 pr_warn("camera control not enabled\n");
2338                 return -ENODEV;
2339         }
2340
2341         if (spic_dev.camera_power)
2342                 return 0;
2343
2344         for (j = 5; j > 0; j--) {
2345
2346                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2347                         msleep(10);
2348                 sony_pic_call1(0x93);
2349
2350                 for (i = 400; i > 0; i--) {
2351                         if (__sony_pic_camera_ready())
2352                                 break;
2353                         msleep(10);
2354                 }
2355                 if (i)
2356                         break;
2357         }
2358
2359         if (j == 0) {
2360                 pr_warn("failed to power on camera\n");
2361                 return -ENODEV;
2362         }
2363
2364         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2365                                 0x5a),
2366                         ITERATIONS_SHORT);
2367
2368         spic_dev.camera_power = 1;
2369         return 0;
2370 }
2371
2372 /* External camera command (exported to the motion eye v4l driver) */
2373 int sony_pic_camera_command(int command, u8 value)
2374 {
2375         if (!camera)
2376                 return -EIO;
2377
2378         mutex_lock(&spic_dev.lock);
2379
2380         switch (command) {
2381         case SONY_PIC_COMMAND_SETCAMERA:
2382                 if (value)
2383                         __sony_pic_camera_on();
2384                 else
2385                         __sony_pic_camera_off();
2386                 break;
2387         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2388                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2389                                 ITERATIONS_SHORT);
2390                 break;
2391         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2392                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2393                                 ITERATIONS_SHORT);
2394                 break;
2395         case SONY_PIC_COMMAND_SETCAMERAHUE:
2396                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2397                                 ITERATIONS_SHORT);
2398                 break;
2399         case SONY_PIC_COMMAND_SETCAMERACOLOR:
2400                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2401                                 ITERATIONS_SHORT);
2402                 break;
2403         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2404                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2405                                 ITERATIONS_SHORT);
2406                 break;
2407         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2408                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2409                                 ITERATIONS_SHORT);
2410                 break;
2411         case SONY_PIC_COMMAND_SETCAMERAAGC:
2412                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2413                                 ITERATIONS_SHORT);
2414                 break;
2415         default:
2416                 pr_err("sony_pic_camera_command invalid: %d\n", command);
2417                 break;
2418         }
2419         mutex_unlock(&spic_dev.lock);
2420         return 0;
2421 }
2422 EXPORT_SYMBOL(sony_pic_camera_command);
2423
2424 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2425 static void __sony_pic_set_wwanpower(u8 state)
2426 {
2427         state = !!state;
2428         if (spic_dev.wwan_power == state)
2429                 return;
2430         sony_pic_call2(0xB0, state);
2431         sony_pic_call1(0x82);
2432         spic_dev.wwan_power = state;
2433 }
2434
2435 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2436                 struct device_attribute *attr,
2437                 const char *buffer, size_t count)
2438 {
2439         unsigned long value;
2440         if (count > 31)
2441                 return -EINVAL;
2442
2443         value = simple_strtoul(buffer, NULL, 10);
2444         mutex_lock(&spic_dev.lock);
2445         __sony_pic_set_wwanpower(value);
2446         mutex_unlock(&spic_dev.lock);
2447
2448         return count;
2449 }
2450
2451 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2452                 struct device_attribute *attr, char *buffer)
2453 {
2454         ssize_t count;
2455         mutex_lock(&spic_dev.lock);
2456         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2457         mutex_unlock(&spic_dev.lock);
2458         return count;
2459 }
2460
2461 /* bluetooth subsystem power state */
2462 static void __sony_pic_set_bluetoothpower(u8 state)
2463 {
2464         state = !!state;
2465         if (spic_dev.bluetooth_power == state)
2466                 return;
2467         sony_pic_call2(0x96, state);
2468         sony_pic_call1(0x82);
2469         spic_dev.bluetooth_power = state;
2470 }
2471
2472 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2473                 struct device_attribute *attr,
2474                 const char *buffer, size_t count)
2475 {
2476         unsigned long value;
2477         if (count > 31)
2478                 return -EINVAL;
2479
2480         value = simple_strtoul(buffer, NULL, 10);
2481         mutex_lock(&spic_dev.lock);
2482         __sony_pic_set_bluetoothpower(value);
2483         mutex_unlock(&spic_dev.lock);
2484
2485         return count;
2486 }
2487
2488 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2489                 struct device_attribute *attr, char *buffer)
2490 {
2491         ssize_t count = 0;
2492         mutex_lock(&spic_dev.lock);
2493         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2494         mutex_unlock(&spic_dev.lock);
2495         return count;
2496 }
2497
2498 /* fan speed */
2499 /* FAN0 information (reverse engineered from ACPI tables) */
2500 #define SONY_PIC_FAN0_STATUS    0x93
2501 static int sony_pic_set_fanspeed(unsigned long value)
2502 {
2503         return ec_write(SONY_PIC_FAN0_STATUS, value);
2504 }
2505
2506 static int sony_pic_get_fanspeed(u8 *value)
2507 {
2508         return ec_read(SONY_PIC_FAN0_STATUS, value);
2509 }
2510
2511 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2512                 struct device_attribute *attr,
2513                 const char *buffer, size_t count)
2514 {
2515         unsigned long value;
2516         if (count > 31)
2517                 return -EINVAL;
2518
2519         value = simple_strtoul(buffer, NULL, 10);
2520         if (sony_pic_set_fanspeed(value))
2521                 return -EIO;
2522
2523         return count;
2524 }
2525
2526 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2527                 struct device_attribute *attr, char *buffer)
2528 {
2529         u8 value = 0;
2530         if (sony_pic_get_fanspeed(&value))
2531                 return -EIO;
2532
2533         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2534 }
2535
2536 #define SPIC_ATTR(_name, _mode)                                 \
2537 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2538                 _mode, sony_pic_## _name ##_show,               \
2539                 sony_pic_## _name ##_store)
2540
2541 static SPIC_ATTR(bluetoothpower, 0644);
2542 static SPIC_ATTR(wwanpower, 0644);
2543 static SPIC_ATTR(fanspeed, 0644);
2544
2545 static struct attribute *spic_attributes[] = {
2546         &spic_attr_bluetoothpower.attr,
2547         &spic_attr_wwanpower.attr,
2548         &spic_attr_fanspeed.attr,
2549         NULL
2550 };
2551
2552 static struct attribute_group spic_attribute_group = {
2553         .attrs = spic_attributes
2554 };
2555
2556 /******** SONYPI compatibility **********/
2557 #ifdef CONFIG_SONYPI_COMPAT
2558
2559 /* battery / brightness / temperature  addresses */
2560 #define SONYPI_BAT_FLAGS        0x81
2561 #define SONYPI_LCD_LIGHT        0x96
2562 #define SONYPI_BAT1_PCTRM       0xa0
2563 #define SONYPI_BAT1_LEFT        0xa2
2564 #define SONYPI_BAT1_MAXRT       0xa4
2565 #define SONYPI_BAT2_PCTRM       0xa8
2566 #define SONYPI_BAT2_LEFT        0xaa
2567 #define SONYPI_BAT2_MAXRT       0xac
2568 #define SONYPI_BAT1_MAXTK       0xb0
2569 #define SONYPI_BAT1_FULL        0xb2
2570 #define SONYPI_BAT2_MAXTK       0xb8
2571 #define SONYPI_BAT2_FULL        0xba
2572 #define SONYPI_TEMP_STATUS      0xC1
2573
2574 struct sonypi_compat_s {
2575         struct fasync_struct    *fifo_async;
2576         struct kfifo            fifo;
2577         spinlock_t              fifo_lock;
2578         wait_queue_head_t       fifo_proc_list;
2579         atomic_t                open_count;
2580 };
2581 static struct sonypi_compat_s sonypi_compat = {
2582         .open_count = ATOMIC_INIT(0),
2583 };
2584
2585 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2586 {
2587         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2588 }
2589
2590 static int sonypi_misc_release(struct inode *inode, struct file *file)
2591 {
2592         atomic_dec(&sonypi_compat.open_count);
2593         return 0;
2594 }
2595
2596 static int sonypi_misc_open(struct inode *inode, struct file *file)
2597 {
2598         /* Flush input queue on first open */
2599         unsigned long flags;
2600
2601         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2602
2603         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2604                 kfifo_reset(&sonypi_compat.fifo);
2605
2606         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2607
2608         return 0;
2609 }
2610
2611 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2612                                 size_t count, loff_t *pos)
2613 {
2614         ssize_t ret;
2615         unsigned char c;
2616
2617         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2618             (file->f_flags & O_NONBLOCK))
2619                 return -EAGAIN;
2620
2621         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2622                                        kfifo_len(&sonypi_compat.fifo) != 0);
2623         if (ret)
2624                 return ret;
2625
2626         while (ret < count &&
2627                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2628                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2629                 if (put_user(c, buf++))
2630                         return -EFAULT;
2631                 ret++;
2632         }
2633
2634         if (ret > 0) {
2635                 struct inode *inode = file->f_path.dentry->d_inode;
2636                 inode->i_atime = current_fs_time(inode->i_sb);
2637         }
2638
2639         return ret;
2640 }
2641
2642 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2643 {
2644         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2645         if (kfifo_len(&sonypi_compat.fifo))
2646                 return POLLIN | POLLRDNORM;
2647         return 0;
2648 }
2649
2650 static int ec_read16(u8 addr, u16 *value)
2651 {
2652         u8 val_lb, val_hb;
2653         if (ec_read(addr, &val_lb))
2654                 return -1;
2655         if (ec_read(addr + 1, &val_hb))
2656                 return -1;
2657         *value = val_lb | (val_hb << 8);
2658         return 0;
2659 }
2660
2661 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2662                                                         unsigned long arg)
2663 {
2664         int ret = 0;
2665         void __user *argp = (void __user *)arg;
2666         u8 val8;
2667         u16 val16;
2668         int value;
2669
2670         mutex_lock(&spic_dev.lock);
2671         switch (cmd) {
2672         case SONYPI_IOCGBRT:
2673                 if (sony_bl_props.dev == NULL) {
2674                         ret = -EIO;
2675                         break;
2676                 }
2677                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2678                         ret = -EIO;
2679                         break;
2680                 }
2681                 val8 = ((value & 0xff) - 1) << 5;
2682                 if (copy_to_user(argp, &val8, sizeof(val8)))
2683                                 ret = -EFAULT;
2684                 break;
2685         case SONYPI_IOCSBRT:
2686                 if (sony_bl_props.dev == NULL) {
2687                         ret = -EIO;
2688                         break;
2689                 }
2690                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2691                         ret = -EFAULT;
2692                         break;
2693                 }
2694                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2695                                 (val8 >> 5) + 1, NULL)) {
2696                         ret = -EIO;
2697                         break;
2698                 }
2699                 /* sync the backlight device status */
2700                 sony_bl_props.dev->props.brightness =
2701                     sony_backlight_get_brightness(sony_bl_props.dev);
2702                 break;
2703         case SONYPI_IOCGBAT1CAP:
2704                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2705                         ret = -EIO;
2706                         break;
2707                 }
2708                 if (copy_to_user(argp, &val16, sizeof(val16)))
2709                         ret = -EFAULT;
2710                 break;
2711         case SONYPI_IOCGBAT1REM:
2712                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2713                         ret = -EIO;
2714                         break;
2715                 }
2716                 if (copy_to_user(argp, &val16, sizeof(val16)))
2717                         ret = -EFAULT;
2718                 break;
2719         case SONYPI_IOCGBAT2CAP:
2720                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2721                         ret = -EIO;
2722                         break;
2723                 }
2724                 if (copy_to_user(argp, &val16, sizeof(val16)))
2725                         ret = -EFAULT;
2726                 break;
2727         case SONYPI_IOCGBAT2REM:
2728                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2729                         ret = -EIO;
2730                         break;
2731                 }
2732                 if (copy_to_user(argp, &val16, sizeof(val16)))
2733                         ret = -EFAULT;
2734                 break;
2735         case SONYPI_IOCGBATFLAGS:
2736                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2737                         ret = -EIO;
2738                         break;
2739                 }
2740                 val8 &= 0x07;
2741                 if (copy_to_user(argp, &val8, sizeof(val8)))
2742                         ret = -EFAULT;
2743                 break;
2744         case SONYPI_IOCGBLUE:
2745                 val8 = spic_dev.bluetooth_power;
2746                 if (copy_to_user(argp, &val8, sizeof(val8)))
2747                         ret = -EFAULT;
2748                 break;
2749         case SONYPI_IOCSBLUE:
2750                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2751                         ret = -EFAULT;
2752                         break;
2753                 }
2754                 __sony_pic_set_bluetoothpower(val8);
2755                 break;
2756         /* FAN Controls */
2757         case SONYPI_IOCGFAN:
2758                 if (sony_pic_get_fanspeed(&val8)) {
2759                         ret = -EIO;
2760                         break;
2761                 }
2762                 if (copy_to_user(argp, &val8, sizeof(val8)))
2763                         ret = -EFAULT;
2764                 break;
2765         case SONYPI_IOCSFAN:
2766                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2767                         ret = -EFAULT;
2768                         break;
2769                 }
2770                 if (sony_pic_set_fanspeed(val8))
2771                         ret = -EIO;
2772                 break;
2773         /* GET Temperature (useful under APM) */
2774         case SONYPI_IOCGTEMP:
2775                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2776                         ret = -EIO;
2777                         break;
2778                 }
2779                 if (copy_to_user(argp, &val8, sizeof(val8)))
2780                         ret = -EFAULT;
2781                 break;
2782         default:
2783                 ret = -EINVAL;
2784         }
2785         mutex_unlock(&spic_dev.lock);
2786         return ret;
2787 }
2788
2789 static const struct file_operations sonypi_misc_fops = {
2790         .owner          = THIS_MODULE,
2791         .read           = sonypi_misc_read,
2792         .poll           = sonypi_misc_poll,
2793         .open           = sonypi_misc_open,
2794         .release        = sonypi_misc_release,
2795         .fasync         = sonypi_misc_fasync,
2796         .unlocked_ioctl = sonypi_misc_ioctl,
2797         .llseek         = noop_llseek,
2798 };
2799
2800 static struct miscdevice sonypi_misc_device = {
2801         .minor          = MISC_DYNAMIC_MINOR,
2802         .name           = "sonypi",
2803         .fops           = &sonypi_misc_fops,
2804 };
2805
2806 static void sonypi_compat_report_event(u8 event)
2807 {
2808         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2809                         sizeof(event), &sonypi_compat.fifo_lock);
2810         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2811         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2812 }
2813
2814 static int sonypi_compat_init(void)
2815 {
2816         int error;
2817
2818         spin_lock_init(&sonypi_compat.fifo_lock);
2819         error =
2820          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2821         if (error) {
2822                 pr_err("kfifo_alloc failed\n");
2823                 return error;
2824         }
2825
2826         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2827
2828         if (minor != -1)
2829                 sonypi_misc_device.minor = minor;
2830         error = misc_register(&sonypi_misc_device);
2831         if (error) {
2832                 pr_err("misc_register failed\n");
2833                 goto err_free_kfifo;
2834         }
2835         if (minor == -1)
2836                 pr_info("device allocated minor is %d\n",
2837                         sonypi_misc_device.minor);
2838
2839         return 0;
2840
2841 err_free_kfifo:
2842         kfifo_free(&sonypi_compat.fifo);
2843         return error;
2844 }
2845
2846 static void sonypi_compat_exit(void)
2847 {
2848         misc_deregister(&sonypi_misc_device);
2849         kfifo_free(&sonypi_compat.fifo);
2850 }
2851 #else
2852 static int sonypi_compat_init(void) { return 0; }
2853 static void sonypi_compat_exit(void) { }
2854 static void sonypi_compat_report_event(u8 event) { }
2855 #endif /* CONFIG_SONYPI_COMPAT */
2856
2857 /*
2858  * ACPI callbacks
2859  */
2860 static acpi_status
2861 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2862 {
2863         u32 i;
2864         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2865
2866         switch (resource->type) {
2867         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2868                 {
2869                         /* start IO enumeration */
2870                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2871                         if (!ioport)
2872                                 return AE_ERROR;
2873
2874                         list_add(&ioport->list, &dev->ioports);
2875                         return AE_OK;
2876                 }
2877
2878         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2879                 /* end IO enumeration */
2880                 return AE_OK;
2881
2882         case ACPI_RESOURCE_TYPE_IRQ:
2883                 {
2884                         struct acpi_resource_irq *p = &resource->data.irq;
2885                         struct sony_pic_irq *interrupt = NULL;
2886                         if (!p || !p->interrupt_count) {
2887                                 /*
2888                                  * IRQ descriptors may have no IRQ# bits set,
2889                                  * particularly those those w/ _STA disabled
2890                                  */
2891                                 dprintk("Blank IRQ resource\n");
2892                                 return AE_OK;
2893                         }
2894                         for (i = 0; i < p->interrupt_count; i++) {
2895                                 if (!p->interrupts[i]) {
2896                                         pr_warn("Invalid IRQ %d\n",
2897                                                 p->interrupts[i]);
2898                                         continue;
2899                                 }
2900                                 interrupt = kzalloc(sizeof(*interrupt),
2901                                                 GFP_KERNEL);
2902                                 if (!interrupt)
2903                                         return AE_ERROR;
2904
2905                                 list_add(&interrupt->list, &dev->interrupts);
2906                                 interrupt->irq.triggering = p->triggering;
2907                                 interrupt->irq.polarity = p->polarity;
2908                                 interrupt->irq.sharable = p->sharable;
2909                                 interrupt->irq.interrupt_count = 1;
2910                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2911                         }
2912                         return AE_OK;
2913                 }
2914         case ACPI_RESOURCE_TYPE_IO:
2915                 {
2916                         struct acpi_resource_io *io = &resource->data.io;
2917                         struct sony_pic_ioport *ioport =
2918                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2919                         if (!io) {
2920                                 dprintk("Blank IO resource\n");
2921                                 return AE_OK;
2922                         }
2923
2924                         if (!ioport->io1.minimum) {
2925                                 memcpy(&ioport->io1, io, sizeof(*io));
2926                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2927                                                 ioport->io1.address_length);
2928                         }
2929                         else if (!ioport->io2.minimum) {
2930                                 memcpy(&ioport->io2, io, sizeof(*io));
2931                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2932                                                 ioport->io2.address_length);
2933                         }
2934                         else {
2935                                 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
2936                                 return AE_ERROR;
2937                         }
2938                         return AE_OK;
2939                 }
2940         default:
2941                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2942                         resource->type);
2943
2944         case ACPI_RESOURCE_TYPE_END_TAG:
2945                 return AE_OK;
2946         }
2947         return AE_CTRL_TERMINATE;
2948 }
2949
2950 static int sony_pic_possible_resources(struct acpi_device *device)
2951 {
2952         int result = 0;
2953         acpi_status status = AE_OK;
2954
2955         if (!device)
2956                 return -EINVAL;
2957
2958         /* get device status */
2959         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2960         dprintk("Evaluating _STA\n");
2961         result = acpi_bus_get_status(device);
2962         if (result) {
2963                 pr_warn("Unable to read status\n");
2964                 goto end;
2965         }
2966
2967         if (!device->status.enabled)
2968                 dprintk("Device disabled\n");
2969         else
2970                 dprintk("Device enabled\n");
2971
2972         /*
2973          * Query and parse 'method'
2974          */
2975         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2976         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2977                         sony_pic_read_possible_resource, &spic_dev);
2978         if (ACPI_FAILURE(status)) {
2979                 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
2980                 result = -ENODEV;
2981         }
2982 end:
2983         return result;
2984 }
2985
2986 /*
2987  *  Disable the spic device by calling its _DIS method
2988  */
2989 static int sony_pic_disable(struct acpi_device *device)
2990 {
2991         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2992                                                NULL);
2993
2994         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2995                 return -ENXIO;
2996
2997         dprintk("Device disabled\n");
2998         return 0;
2999 }
3000
3001
3002 /*
3003  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
3004  *
3005  *  Call _SRS to set current resources
3006  */
3007 static int sony_pic_enable(struct acpi_device *device,
3008                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3009 {
3010         acpi_status status;
3011         int result = 0;
3012         /* Type 1 resource layout is:
3013          *    IO
3014          *    IO
3015          *    IRQNoFlags
3016          *    End
3017          *
3018          * Type 2 and 3 resource layout is:
3019          *    IO
3020          *    IRQNoFlags
3021          *    End
3022          */
3023         struct {
3024                 struct acpi_resource res1;
3025                 struct acpi_resource res2;
3026                 struct acpi_resource res3;
3027                 struct acpi_resource res4;
3028         } *resource;
3029         struct acpi_buffer buffer = { 0, NULL };
3030
3031         if (!ioport || !irq)
3032                 return -EINVAL;
3033
3034         /* init acpi_buffer */
3035         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3036         if (!resource)
3037                 return -ENOMEM;
3038
3039         buffer.length = sizeof(*resource) + 1;
3040         buffer.pointer = resource;
3041
3042         /* setup Type 1 resources */
3043         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3044
3045                 /* setup io resources */
3046                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3047                 resource->res1.length = sizeof(struct acpi_resource);
3048                 memcpy(&resource->res1.data.io, &ioport->io1,
3049                                 sizeof(struct acpi_resource_io));
3050
3051                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3052                 resource->res2.length = sizeof(struct acpi_resource);
3053                 memcpy(&resource->res2.data.io, &ioport->io2,
3054                                 sizeof(struct acpi_resource_io));
3055
3056                 /* setup irq resource */
3057                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3058                 resource->res3.length = sizeof(struct acpi_resource);
3059                 memcpy(&resource->res3.data.irq, &irq->irq,
3060                                 sizeof(struct acpi_resource_irq));
3061                 /* we requested a shared irq */
3062                 resource->res3.data.irq.sharable = ACPI_SHARED;
3063
3064                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3065
3066         }
3067         /* setup Type 2/3 resources */
3068         else {
3069                 /* setup io resource */
3070                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3071                 resource->res1.length = sizeof(struct acpi_resource);
3072                 memcpy(&resource->res1.data.io, &ioport->io1,
3073                                 sizeof(struct acpi_resource_io));
3074
3075                 /* setup irq resource */
3076                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
3077                 resource->res2.length = sizeof(struct acpi_resource);
3078                 memcpy(&resource->res2.data.irq, &irq->irq,
3079                                 sizeof(struct acpi_resource_irq));
3080                 /* we requested a shared irq */
3081                 resource->res2.data.irq.sharable = ACPI_SHARED;
3082
3083                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3084         }
3085
3086         /* Attempt to set the resource */
3087         dprintk("Evaluating _SRS\n");
3088         status = acpi_set_current_resources(device->handle, &buffer);
3089
3090         /* check for total failure */
3091         if (ACPI_FAILURE(status)) {
3092                 pr_err("Error evaluating _SRS\n");
3093                 result = -ENODEV;
3094                 goto end;
3095         }
3096
3097         /* Necessary device initializations calls (from sonypi) */
3098         sony_pic_call1(0x82);
3099         sony_pic_call2(0x81, 0xff);
3100         sony_pic_call1(compat ? 0x92 : 0x82);
3101
3102 end:
3103         kfree(resource);
3104         return result;
3105 }
3106
3107 /*****************
3108  *
3109  * ISR: some event is available
3110  *
3111  *****************/
3112 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3113 {
3114         int i, j;
3115         u8 ev = 0;
3116         u8 data_mask = 0;
3117         u8 device_event = 0;
3118
3119         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3120
3121         ev = inb_p(dev->cur_ioport->io1.minimum);
3122         if (dev->cur_ioport->io2.minimum)
3123                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3124         else
3125                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
3126                                 dev->evport_offset);
3127
3128         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3129                         ev, data_mask, dev->cur_ioport->io1.minimum,
3130                         dev->evport_offset);
3131
3132         if (ev == 0x00 || ev == 0xff)
3133                 return IRQ_HANDLED;
3134
3135         for (i = 0; dev->event_types[i].mask; i++) {
3136
3137                 if ((data_mask & dev->event_types[i].data) !=
3138                     dev->event_types[i].data)
3139                         continue;
3140
3141                 if (!(mask & dev->event_types[i].mask))
3142                         continue;
3143
3144                 for (j = 0; dev->event_types[i].events[j].event; j++) {
3145                         if (ev == dev->event_types[i].events[j].data) {
3146                                 device_event =
3147                                         dev->event_types[i].events[j].event;
3148                                 /* some events may require ignoring */
3149                                 if (!device_event)
3150                                         return IRQ_HANDLED;
3151                                 goto found;
3152                         }
3153                 }
3154         }
3155         /* Still not able to decode the event try to pass
3156          * it over to the minidriver
3157          */
3158         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3159                 return IRQ_HANDLED;
3160
3161         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3162                         ev, data_mask, dev->cur_ioport->io1.minimum,
3163                         dev->evport_offset);
3164         return IRQ_HANDLED;
3165
3166 found:
3167         sony_laptop_report_input_event(device_event);
3168         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3169         sonypi_compat_report_event(device_event);
3170         return IRQ_HANDLED;
3171 }
3172
3173 /*****************
3174  *
3175  *  ACPI driver
3176  *
3177  *****************/
3178 static int sony_pic_remove(struct acpi_device *device, int type)
3179 {
3180         struct sony_pic_ioport *io, *tmp_io;
3181         struct sony_pic_irq *irq, *tmp_irq;
3182
3183         if (sony_pic_disable(device)) {
3184                 pr_err("Couldn't disable device\n");
3185                 return -ENXIO;
3186         }
3187
3188         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3189         release_region(spic_dev.cur_ioport->io1.minimum,
3190                         spic_dev.cur_ioport->io1.address_length);
3191         if (spic_dev.cur_ioport->io2.minimum)
3192                 release_region(spic_dev.cur_ioport->io2.minimum,
3193                                 spic_dev.cur_ioport->io2.address_length);
3194
3195         sonypi_compat_exit();
3196
3197         sony_laptop_remove_input();
3198
3199         /* pf attrs */
3200         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3201         sony_pf_remove();
3202
3203         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3204                 list_del(&io->list);
3205                 kfree(io);
3206         }
3207         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3208                 list_del(&irq->list);
3209                 kfree(irq);
3210         }
3211         spic_dev.cur_ioport = NULL;
3212         spic_dev.cur_irq = NULL;
3213
3214         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3215         return 0;
3216 }
3217
3218 static int sony_pic_add(struct acpi_device *device)
3219 {
3220         int result;
3221         struct sony_pic_ioport *io, *tmp_io;
3222         struct sony_pic_irq *irq, *tmp_irq;
3223
3224         pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
3225
3226         spic_dev.acpi_dev = device;
3227         strcpy(acpi_device_class(device), "sony/hotkey");
3228         sony_pic_detect_device_type(&spic_dev);
3229         mutex_init(&spic_dev.lock);
3230
3231         /* read _PRS resources */
3232         result = sony_pic_possible_resources(device);
3233         if (result) {
3234                 pr_err("Unable to read possible resources\n");
3235                 goto err_free_resources;
3236         }
3237
3238         /* setup input devices and helper fifo */
3239         result = sony_laptop_setup_input(device);
3240         if (result) {
3241                 pr_err("Unable to create input devices\n");
3242                 goto err_free_resources;
3243         }
3244
3245         if (sonypi_compat_init())
3246                 goto err_remove_input;
3247
3248         /* request io port */
3249         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3250                 if (request_region(io->io1.minimum, io->io1.address_length,
3251                                         "Sony Programmable I/O Device")) {
3252                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3253                                         io->io1.minimum, io->io1.maximum,
3254                                         io->io1.address_length);
3255                         /* Type 1 have 2 ioports */
3256                         if (io->io2.minimum) {
3257                                 if (request_region(io->io2.minimum,
3258                                                 io->io2.address_length,
3259                                                 "Sony Programmable I/O Device")) {
3260                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3261                                                         io->io2.minimum, io->io2.maximum,
3262                                                         io->io2.address_length);
3263                                         spic_dev.cur_ioport = io;
3264                                         break;
3265                                 }
3266                                 else {
3267                                         dprintk("Unable to get I/O port2: "
3268                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
3269                                                         io->io2.minimum, io->io2.maximum,
3270                                                         io->io2.address_length);
3271                                         release_region(io->io1.minimum,
3272                                                         io->io1.address_length);
3273                                 }
3274                         }
3275                         else {
3276                                 spic_dev.cur_ioport = io;
3277                                 break;
3278                         }
3279                 }
3280         }
3281         if (!spic_dev.cur_ioport) {
3282                 pr_err("Failed to request_region\n");
3283                 result = -ENODEV;
3284                 goto err_remove_compat;
3285         }
3286
3287         /* request IRQ */
3288         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3289                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
3290                                         0, "sony-laptop", &spic_dev)) {
3291                         dprintk("IRQ: %d - triggering: %d - "
3292                                         "polarity: %d - shr: %d\n",
3293                                         irq->irq.interrupts[0],
3294                                         irq->irq.triggering,
3295                                         irq->irq.polarity,
3296                                         irq->irq.sharable);
3297                         spic_dev.cur_irq = irq;
3298                         break;
3299                 }
3300         }
3301         if (!spic_dev.cur_irq) {
3302                 pr_err("Failed to request_irq\n");
3303                 result = -ENODEV;
3304                 goto err_release_region;
3305         }
3306
3307         /* set resource status _SRS */
3308         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3309         if (result) {
3310                 pr_err("Couldn't enable device\n");
3311                 goto err_free_irq;
3312         }
3313
3314         spic_dev.bluetooth_power = -1;
3315         /* create device attributes */
3316         result = sony_pf_add();
3317         if (result)
3318                 goto err_disable_device;
3319
3320         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3321         if (result)
3322                 goto err_remove_pf;
3323
3324         return 0;
3325
3326 err_remove_pf:
3327         sony_pf_remove();
3328
3329 err_disable_device:
3330         sony_pic_disable(device);
3331
3332 err_free_irq:
3333         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3334
3335 err_release_region:
3336         release_region(spic_dev.cur_ioport->io1.minimum,
3337                         spic_dev.cur_ioport->io1.address_length);
3338         if (spic_dev.cur_ioport->io2.minimum)
3339                 release_region(spic_dev.cur_ioport->io2.minimum,
3340                                 spic_dev.cur_ioport->io2.address_length);
3341
3342 err_remove_compat:
3343         sonypi_compat_exit();
3344
3345 err_remove_input:
3346         sony_laptop_remove_input();
3347
3348 err_free_resources:
3349         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3350                 list_del(&io->list);
3351                 kfree(io);
3352         }
3353         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3354                 list_del(&irq->list);
3355                 kfree(irq);
3356         }
3357         spic_dev.cur_ioport = NULL;
3358         spic_dev.cur_irq = NULL;
3359
3360         return result;
3361 }
3362
3363 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3364 {
3365         if (sony_pic_disable(device))
3366                 return -ENXIO;
3367         return 0;
3368 }
3369
3370 static int sony_pic_resume(struct acpi_device *device)
3371 {
3372         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3373         return 0;
3374 }
3375
3376 static const struct acpi_device_id sony_pic_device_ids[] = {
3377         {SONY_PIC_HID, 0},
3378         {"", 0},
3379 };
3380
3381 static struct acpi_driver sony_pic_driver = {
3382         .name = SONY_PIC_DRIVER_NAME,
3383         .class = SONY_PIC_CLASS,
3384         .ids = sony_pic_device_ids,
3385         .owner = THIS_MODULE,
3386         .ops = {
3387                 .add = sony_pic_add,
3388                 .remove = sony_pic_remove,
3389                 .suspend = sony_pic_suspend,
3390                 .resume = sony_pic_resume,
3391                 },
3392 };
3393
3394 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3395         {
3396                 .ident = "Sony Vaio",
3397                 .matches = {
3398                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3399                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3400                 },
3401         },
3402         {
3403                 .ident = "Sony Vaio",
3404                 .matches = {
3405                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3406                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3407                 },
3408         },
3409         { }
3410 };
3411
3412 static int __init sony_laptop_init(void)
3413 {
3414         int result;
3415
3416         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3417                 result = acpi_bus_register_driver(&sony_pic_driver);
3418                 if (result) {
3419                         pr_err("Unable to register SPIC driver\n");
3420                         goto out;
3421                 }
3422                 spic_drv_registered = 1;
3423         }
3424
3425         result = acpi_bus_register_driver(&sony_nc_driver);
3426         if (result) {
3427                 pr_err("Unable to register SNC driver\n");
3428                 goto out_unregister_pic;
3429         }
3430
3431         return 0;
3432
3433 out_unregister_pic:
3434         if (spic_drv_registered)
3435                 acpi_bus_unregister_driver(&sony_pic_driver);
3436 out:
3437         return result;
3438 }
3439
3440 static void __exit sony_laptop_exit(void)
3441 {
3442         acpi_bus_unregister_driver(&sony_nc_driver);
3443         if (spic_drv_registered)
3444                 acpi_bus_unregister_driver(&sony_pic_driver);
3445 }
3446
3447 module_init(sony_laptop_init);
3448 module_exit(sony_laptop_exit);