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

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #include <linux/kernel.h>
  46 #include <linux/module.h>
  47 #include <linux/moduleparam.h>
  48 #include <linux/init.h>
  49 #include <linux/types.h>
  50 #include <linux/backlight.h>
  51 #include <linux/platform_device.h>
  52 #include <linux/err.h>
  53 #include <linux/dmi.h>
  54 #include <linux/pci.h>
  55 #include <linux/interrupt.h>
  56 #include <linux/delay.h>
  57 #include <linux/input.h>
  58 #include <linux/kfifo.h>
  59 #include <linux/workqueue.h>
  60 #include <linux/acpi.h>
  61 #include <acpi/acpi_drivers.h>
  62 #include <acpi/acpi_bus.h>
  63 #include <asm/uaccess.h>
  64 #include <linux/sonypi.h>
  65 #include <linux/sony-laptop.h>
  66 #include <linux/rfkill.h>
  67 #ifdef CONFIG_SONYPI_COMPAT
  68 #include <linux/poll.h>
  69 #include <linux/miscdevice.h>
  70 #endif
  71
  72 #define DRV_PFX                 "sony-laptop: "
  73 #define dprintk(msg...)         do {                    \
  74         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  75 } while (0)
  76
  77 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  78
  79 #define SONY_NC_CLASS           "sony-nc"
  80 #define SONY_NC_HID             "SNY5001"
  81 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  82
  83 #define SONY_PIC_CLASS          "sony-pic"
  84 #define SONY_PIC_HID            "SNY6001"
  85 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  86
  87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  89 MODULE_LICENSE("GPL");
  90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  91
  92 static int debug;
  93 module_param(debug, int, 0);
  94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  95                  "the development of this driver");
  96
  97 static int no_spic;             /* = 0 */
  98 module_param(no_spic, int, 0444);
  99 MODULE_PARM_DESC(no_spic,
 100                  "set this if you don't want to enable the SPIC device");
 101
 102 static int compat;              /* = 0 */
 103 module_param(compat, int, 0444);
 104 MODULE_PARM_DESC(compat,
 105                  "set this if you want to enable backward compatibility mode");
 106
 107 static unsigned long mask = 0xffffffff;
 108 module_param(mask, ulong, 0644);
 109 MODULE_PARM_DESC(mask,
 110                  "set this to the mask of event you want to enable (see doc)");
 111
 112 static int camera;              /* = 0 */
 113 module_param(camera, int, 0444);
 114 MODULE_PARM_DESC(camera,
 115                  "set this to 1 to enable Motion Eye camera controls "
 116                  "(only use it if you have a C1VE or C1VN model)");
 117
 118 #ifdef CONFIG_SONYPI_COMPAT
 119 static int minor = -1;
 120 module_param(minor, int, 0);
 121 MODULE_PARM_DESC(minor,
 122                  "minor number of the misc device for the SPIC compatibility code, "
 123                  "default is -1 (automatic)");
 124 #endif
 125
 126 enum sony_nc_rfkill {
 127         SONY_WIFI,
 128         SONY_BLUETOOTH,
 129         SONY_WWAN,
 130         SONY_WIMAX,
 131         N_SONY_RFKILL,
 132 };
 133
 134 static int sony_rfkill_handle;
 135 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 136 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 137 static void sony_nc_rfkill_update(void);
 138
 139 /*********** Input Devices ***********/
 140
 141 #define SONY_LAPTOP_BUF_SIZE    128
 142 struct sony_laptop_input_s {
 143         atomic_t                users;
 144         struct input_dev        *jog_dev;
 145         struct input_dev        *key_dev;
 146         struct kfifo            fifo;
 147         spinlock_t              fifo_lock;
 148         struct timer_list       release_key_timer;
 149 };
 150
 151 static struct sony_laptop_input_s sony_laptop_input = {
 152         .users = ATOMIC_INIT(0),
 153 };
 154
 155 struct sony_laptop_keypress {
 156         struct input_dev *dev;
 157         int key;
 158 };
 159
 160 /* Correspondance table between sonypi events
 161  * and input layer indexes in the keymap
 162  */
 163 static int sony_laptop_input_index[] = {
 164         -1,     /*  0 no event */
 165         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 166         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 167         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 168         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 169         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 170         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 171          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 172          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 173          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 174          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 175          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 176          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 177          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 178          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 179          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 180          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 181         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 182         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 183         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 184         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 185         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 186         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 187         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 188         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 189         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 190         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 191         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 192         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 193         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 194         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 195         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 196         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 197         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 198         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 199         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 200         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 201         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 202         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 203         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 204         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 205         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 206         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 207         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 208         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 209         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 210         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 211         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 212         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 213         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 214         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 215         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 216         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 217         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 218         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 219         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 220         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 221         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 222         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 223         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 224         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 225         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 226         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 227         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 228         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 229         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 230         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 231         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 232         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 233         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 234         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 235         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 236         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 237 };
 238
 239 static int sony_laptop_input_keycode_map[] = {
 240         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 241         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 242         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 243         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 244         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 245         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 246         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 247         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 248         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 249         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 250         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 251         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 252         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 253         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 254         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 255         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 256         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 257         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 258         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 259         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 260         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 261         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 262         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 263         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 264         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 265         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 266         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 267         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 268         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 269         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 270         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 271         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 272         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 273         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 274         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 275         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 276         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 277         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 278         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 279         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 280         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 281         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 282         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 283         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 284         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 285         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 286         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 287         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 288         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 289         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 290         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 291         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 292         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 293         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 294         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 295         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 296         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 297         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 298         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 299 };
 300
 301 /* release buttons after a short delay if pressed */
 302 static void do_sony_laptop_release_key(unsigned long unused)
 303 {
 304         struct sony_laptop_keypress kp;
 305         unsigned long flags;
 306
 307         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 308
 309         if (kfifo_out(&sony_laptop_input.fifo,
 310                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 311                 input_report_key(kp.dev, kp.key, 0);
 312                 input_sync(kp.dev);
 313         }
 314
 315         /* If there is something in the fifo schedule next release. */
 316         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 317                 mod_timer(&sony_laptop_input.release_key_timer,
 318                           jiffies + msecs_to_jiffies(10));
 319
 320         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 321 }
 322
 323 /* forward event to the input subsystem */
 324 static void sony_laptop_report_input_event(u8 event)
 325 {
 326         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 327         struct input_dev *key_dev = sony_laptop_input.key_dev;
 328         struct sony_laptop_keypress kp = { NULL };
 329
 330         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 331                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 332                 /* Nothing, not all VAIOs generate this event */
 333                 return;
 334         }
 335
 336         /* report events */
 337         switch (event) {
 338         /* jog_dev events */
 339         case SONYPI_EVENT_JOGDIAL_UP:
 340         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 341                 input_report_rel(jog_dev, REL_WHEEL, 1);
 342                 input_sync(jog_dev);
 343                 return;
 344
 345         case SONYPI_EVENT_JOGDIAL_DOWN:
 346         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 347                 input_report_rel(jog_dev, REL_WHEEL, -1);
 348                 input_sync(jog_dev);
 349                 return;
 350
 351         /* key_dev events */
 352         case SONYPI_EVENT_JOGDIAL_PRESSED:
 353                 kp.key = BTN_MIDDLE;
 354                 kp.dev = jog_dev;
 355                 break;
 356
 357         default:
 358                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 359                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 360                         break;
 361                 }
 362                 if (sony_laptop_input_index[event] != -1) {
 363                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 364                         if (kp.key != KEY_UNKNOWN)
 365                                 kp.dev = key_dev;
 366                 }
 367                 break;
 368         }
 369
 370         if (kp.dev) {
 371                 input_report_key(kp.dev, kp.key, 1);
 372                 /* we emit the scancode so we can always remap the key */
 373                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 374                 input_sync(kp.dev);
 375
 376                 /* schedule key release */
 377                 kfifo_in_locked(&sony_laptop_input.fifo,
 378                                 (unsigned char *)&kp, sizeof(kp),
 379                                 &sony_laptop_input.fifo_lock);
 380                 mod_timer(&sony_laptop_input.release_key_timer,
 381                           jiffies + msecs_to_jiffies(10));
 382         } else
 383                 dprintk("unknown input event %.2x\n", event);
 384 }
 385
 386 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 387 {
 388         struct input_dev *jog_dev;
 389         struct input_dev *key_dev;
 390         int i;
 391         int error;
 392
 393         /* don't run again if already initialized */
 394         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 395                 return 0;
 396
 397         /* kfifo */
 398         spin_lock_init(&sony_laptop_input.fifo_lock);
 399         error = kfifo_alloc(&sony_laptop_input.fifo,
 400                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 401         if (error) {
 402                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 403                 goto err_dec_users;
 404         }
 405
 406         setup_timer(&sony_laptop_input.release_key_timer,
 407                     do_sony_laptop_release_key, 0);
 408
 409         /* input keys */
 410         key_dev = input_allocate_device();
 411         if (!key_dev) {
 412                 error = -ENOMEM;
 413                 goto err_free_kfifo;
 414         }
 415
 416         key_dev->name = "Sony Vaio Keys";
 417         key_dev->id.bustype = BUS_ISA;
 418         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 419         key_dev->dev.parent = &acpi_device->dev;
 420
 421         /* Initialize the Input Drivers: special keys */
 422         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 423
 424         __set_bit(EV_KEY, key_dev->evbit);
 425         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 426         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 427         key_dev->keycode = &sony_laptop_input_keycode_map;
 428         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 429                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 430         __clear_bit(KEY_RESERVED, key_dev->keybit);
 431
 432         error = input_register_device(key_dev);
 433         if (error)
 434                 goto err_free_keydev;
 435
 436         sony_laptop_input.key_dev = key_dev;
 437
 438         /* jogdial */
 439         jog_dev = input_allocate_device();
 440         if (!jog_dev) {
 441                 error = -ENOMEM;
 442                 goto err_unregister_keydev;
 443         }
 444
 445         jog_dev->name = "Sony Vaio Jogdial";
 446         jog_dev->id.bustype = BUS_ISA;
 447         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 448         key_dev->dev.parent = &acpi_device->dev;
 449
 450         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 451         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 452
 453         error = input_register_device(jog_dev);
 454         if (error)
 455                 goto err_free_jogdev;
 456
 457         sony_laptop_input.jog_dev = jog_dev;
 458
 459         return 0;
 460
 461 err_free_jogdev:
 462         input_free_device(jog_dev);
 463
 464 err_unregister_keydev:
 465         input_unregister_device(key_dev);
 466         /* to avoid kref underflow below at input_free_device */
 467         key_dev = NULL;
 468
 469 err_free_keydev:
 470         input_free_device(key_dev);
 471
 472 err_free_kfifo:
 473         kfifo_free(&sony_laptop_input.fifo);
 474
 475 err_dec_users:
 476         atomic_dec(&sony_laptop_input.users);
 477         return error;
 478 }
 479
 480 static void sony_laptop_remove_input(void)
 481 {
 482         struct sony_laptop_keypress kp = { NULL };
 483
 484         /* Cleanup only after the last user has gone */
 485         if (!atomic_dec_and_test(&sony_laptop_input.users))
 486                 return;
 487
 488         del_timer_sync(&sony_laptop_input.release_key_timer);
 489
 490         /*
 491          * Generate key-up events for remaining keys. Note that we don't
 492          * need locking since nobody is adding new events to the kfifo.
 493          */
 494         while (kfifo_out(&sony_laptop_input.fifo,
 495                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 496                 input_report_key(kp.dev, kp.key, 0);
 497                 input_sync(kp.dev);
 498         }
 499
 500         /* destroy input devs */
 501         input_unregister_device(sony_laptop_input.key_dev);
 502         sony_laptop_input.key_dev = NULL;
 503
 504         if (sony_laptop_input.jog_dev) {
 505                 input_unregister_device(sony_laptop_input.jog_dev);
 506                 sony_laptop_input.jog_dev = NULL;
 507         }
 508
 509         kfifo_free(&sony_laptop_input.fifo);
 510 }
 511
 512 /*********** Platform Device ***********/
 513
 514 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 515 static struct platform_driver sony_pf_driver = {
 516         .driver = {
 517                    .name = "sony-laptop",
 518                    .owner = THIS_MODULE,
 519                    }
 520 };
 521 static struct platform_device *sony_pf_device;
 522
 523 static int sony_pf_add(void)
 524 {
 525         int ret = 0;
 526
 527         /* don't run again if already initialized */
 528         if (atomic_add_return(1, &sony_pf_users) > 1)
 529                 return 0;
 530
 531         ret = platform_driver_register(&sony_pf_driver);
 532         if (ret)
 533                 goto out;
 534
 535         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 536         if (!sony_pf_device) {
 537                 ret = -ENOMEM;
 538                 goto out_platform_registered;
 539         }
 540
 541         ret = platform_device_add(sony_pf_device);
 542         if (ret)
 543                 goto out_platform_alloced;
 544
 545         return 0;
 546
 547       out_platform_alloced:
 548         platform_device_put(sony_pf_device);
 549         sony_pf_device = NULL;
 550       out_platform_registered:
 551         platform_driver_unregister(&sony_pf_driver);
 552       out:
 553         atomic_dec(&sony_pf_users);
 554         return ret;
 555 }
 556
 557 static void sony_pf_remove(void)
 558 {
 559         /* deregister only after the last user has gone */
 560         if (!atomic_dec_and_test(&sony_pf_users))
 561                 return;
 562
 563         platform_device_del(sony_pf_device);
 564         platform_device_put(sony_pf_device);
 565         platform_driver_unregister(&sony_pf_driver);
 566 }
 567
 568 /*********** SNC (SNY5001) Device ***********/
 569
 570 /* the device uses 1-based values, while the backlight subsystem uses
 571    0-based values */
 572 #define SONY_MAX_BRIGHTNESS     8
 573
 574 #define SNC_VALIDATE_IN         0
 575 #define SNC_VALIDATE_OUT        1
 576
 577 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 578                               char *);
 579 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 580                                const char *, size_t);
 581 static int boolean_validate(const int, const int);
 582 static int brightness_default_validate(const int, const int);
 583
 584 struct sony_nc_value {
 585         char *name;             /* name of the entry */
 586         char **acpiget;         /* names of the ACPI get function */
 587         char **acpiset;         /* names of the ACPI set function */
 588         int (*validate)(const int, const int);  /* input/output validation */
 589         int value;              /* current setting */
 590         int valid;              /* Has ever been set */
 591         int debug;              /* active only in debug mode ? */
 592         struct device_attribute devattr;        /* sysfs atribute */
 593 };
 594
 595 #define SNC_HANDLE_NAMES(_name, _values...) \
 596         static char *snc_##_name[] = { _values, NULL }
 597
 598 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 599         { \
 600                 .name           = __stringify(_name), \
 601                 .acpiget        = _getters, \
 602                 .acpiset        = _setters, \
 603                 .validate       = _validate, \
 604                 .debug          = _debug, \
 605                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 606         }
 607
 608 #define SNC_HANDLE_NULL { .name = NULL }
 609
 610 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 611
 612 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 613 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 614
 615 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 616 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 617
 618 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 619 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 620
 621 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 622 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 623
 624 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 625
 626 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 627 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 628
 629 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 630 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 631
 632 SNC_HANDLE_NAMES(PID_get, "GPID");
 633
 634 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 635 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 636
 637 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 638 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 639
 640 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 641 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 642
 643 static struct sony_nc_value sony_nc_values[] = {
 644         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 645                         snc_brightness_def_set, brightness_default_validate, 0),
 646         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 647         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 648         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 649                         boolean_validate, 0),
 650         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 651                         boolean_validate, 1),
 652         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 653                         boolean_validate, 0),
 654         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 655                         boolean_validate, 0),
 656         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 657                         boolean_validate, 0),
 658         /* unknown methods */
 659         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 660         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 661         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 662         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 663         SNC_HANDLE_NULL
 664 };
 665
 666 static acpi_handle sony_nc_acpi_handle;
 667 static struct acpi_device *sony_nc_acpi_device = NULL;
 668
 669 /*
 670  * acpi_evaluate_object wrappers
 671  */
 672 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 673 {
 674         struct acpi_buffer output;
 675         union acpi_object out_obj;
 676         acpi_status status;
 677
 678         output.length = sizeof(out_obj);
 679         output.pointer = &out_obj;
 680
 681         status = acpi_evaluate_object(handle, name, NULL, &output);
 682         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 683                 *result = out_obj.integer.value;
 684                 return 0;
 685         }
 686
 687         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 688
 689         return -1;
 690 }
 691
 692 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 693                             int *result)
 694 {
 695         struct acpi_object_list params;
 696         union acpi_object in_obj;
 697         struct acpi_buffer output;
 698         union acpi_object out_obj;
 699         acpi_status status;
 700
 701         params.count = 1;
 702         params.pointer = &in_obj;
 703         in_obj.type = ACPI_TYPE_INTEGER;
 704         in_obj.integer.value = value;
 705
 706         output.length = sizeof(out_obj);
 707         output.pointer = &out_obj;
 708
 709         status = acpi_evaluate_object(handle, name, &params, &output);
 710         if (status == AE_OK) {
 711                 if (result != NULL) {
 712                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 713                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 714                                        "return type\n");
 715                                 return -1;
 716                         }
 717                         *result = out_obj.integer.value;
 718                 }
 719                 return 0;
 720         }
 721
 722         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 723
 724         return -1;
 725 }
 726
 727 static int sony_find_snc_handle(int handle)
 728 {
 729         int i;
 730         int result;
 731
 732         for (i = 0x20; i < 0x30; i++) {
 733                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 734                 if (result == handle)
 735                         return i-0x20;
 736         }
 737
 738         return -1;
 739 }
 740
 741 static int sony_call_snc_handle(int handle, int argument, int *result)
 742 {
 743         int offset = sony_find_snc_handle(handle);
 744
 745         if (offset < 0)
 746                 return -1;
 747
 748         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 749                                 result);
 750 }
 751
 752 /*
 753  * sony_nc_values input/output validate functions
 754  */
 755
 756 /* brightness_default_validate:
 757  *
 758  * manipulate input output values to keep consistency with the
 759  * backlight framework for which brightness values are 0-based.
 760  */
 761 static int brightness_default_validate(const int direction, const int value)
 762 {
 763         switch (direction) {
 764                 case SNC_VALIDATE_OUT:
 765                         return value - 1;
 766                 case SNC_VALIDATE_IN:
 767                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 768                                 return value + 1;
 769         }
 770         return -EINVAL;
 771 }
 772
 773 /* boolean_validate:
 774  *
 775  * on input validate boolean values 0/1, on output just pass the
 776  * received value.
 777  */
 778 static int boolean_validate(const int direction, const int value)
 779 {
 780         if (direction == SNC_VALIDATE_IN) {
 781                 if (value != 0 && value != 1)
 782                         return -EINVAL;
 783         }
 784         return value;
 785 }
 786
 787 /*
 788  * Sysfs show/store common to all sony_nc_values
 789  */
 790 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 791                               char *buffer)
 792 {
 793         int value;
 794         struct sony_nc_value *item =
 795             container_of(attr, struct sony_nc_value, devattr);
 796
 797         if (!*item->acpiget)
 798                 return -EIO;
 799
 800         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 801                 return -EIO;
 802
 803         if (item->validate)
 804                 value = item->validate(SNC_VALIDATE_OUT, value);
 805
 806         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 807 }
 808
 809 static ssize_t sony_nc_sysfs_store(struct device *dev,
 810                                struct device_attribute *attr,
 811                                const char *buffer, size_t count)
 812 {
 813         int value;
 814         struct sony_nc_value *item =
 815             container_of(attr, struct sony_nc_value, devattr);
 816
 817         if (!item->acpiset)
 818                 return -EIO;
 819
 820         if (count > 31)
 821                 return -EINVAL;
 822
 823         value = simple_strtoul(buffer, NULL, 10);
 824
 825         if (item->validate)
 826                 value = item->validate(SNC_VALIDATE_IN, value);
 827
 828         if (value < 0)
 829                 return value;
 830
 831         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 832                 return -EIO;
 833         item->value = value;
 834         item->valid = 1;
 835         return count;
 836 }
 837
 838
 839 /*
 840  * Backlight device
 841  */
 842 static int sony_backlight_update_status(struct backlight_device *bd)
 843 {
 844         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 845                                 bd->props.brightness + 1, NULL);
 846 }
 847
 848 static int sony_backlight_get_brightness(struct backlight_device *bd)
 849 {
 850         int value;
 851
 852         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 853                 return 0;
 854         /* brightness levels are 1-based, while backlight ones are 0-based */
 855         return value - 1;
 856 }
 857
 858 static struct backlight_device *sony_backlight_device;
 859 static struct backlight_ops sony_backlight_ops = {
 860         .update_status = sony_backlight_update_status,
 861         .get_brightness = sony_backlight_get_brightness,
 862 };
 863
 864 /*
 865  * New SNC-only Vaios event mapping to driver known keys
 866  */
 867 struct sony_nc_event {
 868         u8      data;
 869         u8      event;
 870 };
 871
 872 static struct sony_nc_event sony_100_events[] = {
 873         { 0x90, SONYPI_EVENT_PKEY_P1 },
 874         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 875         { 0x91, SONYPI_EVENT_PKEY_P2 },
 876         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 877         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 878         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 879         { 0x82, SONYPI_EVENT_FNKEY_F2 },
 880         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
 881         { 0x83, SONYPI_EVENT_FNKEY_F3 },
 882         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
 883         { 0x84, SONYPI_EVENT_FNKEY_F4 },
 884         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
 885         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 886         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 887         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 888         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 889         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 890         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 891         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 892         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 893         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 894         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 895         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 896         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 897         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 898         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 899         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
 900         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
 901         { 0, 0 },
 902 };
 903
 904 static struct sony_nc_event sony_127_events[] = {
 905         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 906         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 907         { 0x82, SONYPI_EVENT_PKEY_P1 },
 908         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 909         { 0x83, SONYPI_EVENT_PKEY_P2 },
 910         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 911         { 0x84, SONYPI_EVENT_PKEY_P3 },
 912         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 913         { 0x85, SONYPI_EVENT_PKEY_P4 },
 914         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 915         { 0x86, SONYPI_EVENT_PKEY_P5 },
 916         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 917         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 918         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 919         { 0, 0 },
 920 };
 921
 922 /*
 923  * ACPI callbacks
 924  */
 925 static void sony_nc_notify(struct acpi_device *device, u32 event)
 926 {
 927         u32 ev = event;
 928
 929         if (ev >= 0x90) {
 930                 /* New-style event */
 931                 int result;
 932                 int key_handle = 0;
 933                 ev -= 0x90;
 934
 935                 if (sony_find_snc_handle(0x100) == ev)
 936                         key_handle = 0x100;
 937                 if (sony_find_snc_handle(0x127) == ev)
 938                         key_handle = 0x127;
 939
 940                 if (key_handle) {
 941                         struct sony_nc_event *key_event;
 942
 943                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
 944                                 dprintk("sony_nc_notify, unable to decode"
 945                                         " event 0x%.2x 0x%.2x\n", key_handle,
 946                                         ev);
 947                                 /* restore the original event */
 948                                 ev = event;
 949                         } else {
 950                                 ev = result & 0xFF;
 951
 952                                 if (key_handle == 0x100)
 953                                         key_event = sony_100_events;
 954                                 else
 955                                         key_event = sony_127_events;
 956
 957                                 for (; key_event->data; key_event++) {
 958                                         if (key_event->data == ev) {
 959                                                 ev = key_event->event;
 960                                                 break;
 961                                         }
 962                                 }
 963
 964                                 if (!key_event->data)
 965                                         printk(KERN_INFO DRV_PFX
 966                                                         "Unknown event: 0x%x 0x%x\n",
 967                                                         key_handle,
 968                                                         ev);
 969                                 else
 970                                         sony_laptop_report_input_event(ev);
 971                         }
 972                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
 973                         sony_nc_rfkill_update();
 974                         return;
 975                 }
 976         } else
 977                 sony_laptop_report_input_event(ev);
 978
 979         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
 980         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 981 }
 982
 983 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 984                                       void *context, void **return_value)
 985 {
 986         struct acpi_device_info *info;
 987
 988         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
 989                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 990                         (char *)&info->name, info->param_count);
 991
 992                 kfree(info);
 993         }
 994
 995         return AE_OK;
 996 }
 997
 998 /*
 999  * ACPI device
1000  */
1001 static int sony_nc_function_setup(struct acpi_device *device)
1002 {
1003         int result;
1004
1005         /* Enable all events */
1006         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1007
1008         /* Setup hotkeys */
1009         sony_call_snc_handle(0x0100, 0, &result);
1010         sony_call_snc_handle(0x0101, 0, &result);
1011         sony_call_snc_handle(0x0102, 0x100, &result);
1012         sony_call_snc_handle(0x0127, 0, &result);
1013
1014         return 0;
1015 }
1016
1017 static int sony_nc_resume(struct acpi_device *device)
1018 {
1019         struct sony_nc_value *item;
1020         acpi_handle handle;
1021
1022         for (item = sony_nc_values; item->name; item++) {
1023                 int ret;
1024
1025                 if (!item->valid)
1026                         continue;
1027                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1028                                        item->value, NULL);
1029                 if (ret < 0) {
1030                         printk("%s: %d\n", __func__, ret);
1031                         break;
1032                 }
1033         }
1034
1035         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1036                                          &handle))) {
1037                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1038                         dprintk("ECON Method failed\n");
1039         }
1040
1041         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1042                                          &handle))) {
1043                 dprintk("Doing SNC setup\n");
1044                 sony_nc_function_setup(device);
1045         }
1046
1047         /* set the last requested brightness level */
1048         if (sony_backlight_device &&
1049                         sony_backlight_update_status(sony_backlight_device) < 0)
1050                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1051
1052         /* re-read rfkill state */
1053         sony_nc_rfkill_update();
1054
1055         return 0;
1056 }
1057
1058 static void sony_nc_rfkill_cleanup(void)
1059 {
1060         int i;
1061
1062         for (i = 0; i < N_SONY_RFKILL; i++) {
1063                 if (sony_rfkill_devices[i]) {
1064                         rfkill_unregister(sony_rfkill_devices[i]);
1065                         rfkill_destroy(sony_rfkill_devices[i]);
1066                 }
1067         }
1068 }
1069
1070 static int sony_nc_rfkill_set(void *data, bool blocked)
1071 {
1072         int result;
1073         int argument = sony_rfkill_address[(long) data] + 0x100;
1074
1075         if (!blocked)
1076                 argument |= 0xff0000;
1077
1078         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1079 }
1080
1081 static const struct rfkill_ops sony_rfkill_ops = {
1082         .set_block = sony_nc_rfkill_set,
1083 };
1084
1085 static int sony_nc_setup_rfkill(struct acpi_device *device,
1086                                 enum sony_nc_rfkill nc_type)
1087 {
1088         int err = 0;
1089         struct rfkill *rfk;
1090         enum rfkill_type type;
1091         const char *name;
1092         int result;
1093         bool hwblock;
1094
1095         switch (nc_type) {
1096         case SONY_WIFI:
1097                 type = RFKILL_TYPE_WLAN;
1098                 name = "sony-wifi";
1099                 break;
1100         case SONY_BLUETOOTH:
1101                 type = RFKILL_TYPE_BLUETOOTH;
1102                 name = "sony-bluetooth";
1103                 break;
1104         case SONY_WWAN:
1105                 type = RFKILL_TYPE_WWAN;
1106                 name = "sony-wwan";
1107                 break;
1108         case SONY_WIMAX:
1109                 type = RFKILL_TYPE_WIMAX;
1110                 name = "sony-wimax";
1111                 break;
1112         default:
1113                 return -EINVAL;
1114         }
1115
1116         rfk = rfkill_alloc(name, &device->dev, type,
1117                            &sony_rfkill_ops, (void *)nc_type);
1118         if (!rfk)
1119                 return -ENOMEM;
1120
1121         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1122         hwblock = !(result & 0x1);
1123         rfkill_set_hw_state(rfk, hwblock);
1124
1125         err = rfkill_register(rfk);
1126         if (err) {
1127                 rfkill_destroy(rfk);
1128                 return err;
1129         }
1130         sony_rfkill_devices[nc_type] = rfk;
1131         return err;
1132 }
1133
1134 static void sony_nc_rfkill_update()
1135 {
1136         enum sony_nc_rfkill i;
1137         int result;
1138         bool hwblock;
1139
1140         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1141         hwblock = !(result & 0x1);
1142
1143         for (i = 0; i < N_SONY_RFKILL; i++) {
1144                 int argument = sony_rfkill_address[i];
1145
1146                 if (!sony_rfkill_devices[i])
1147                         continue;
1148
1149                 if (hwblock) {
1150                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1151                                 /* we already know we're blocked */
1152                         }
1153                         continue;
1154                 }
1155
1156                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1157                 rfkill_set_states(sony_rfkill_devices[i],
1158                                   !(result & 0xf), false);
1159         }
1160 }
1161
1162 static void sony_nc_rfkill_setup(struct acpi_device *device)
1163 {
1164         int offset;
1165         u8 dev_code, i;
1166         acpi_status status;
1167         struct acpi_object_list params;
1168         union acpi_object in_obj;
1169         union acpi_object *device_enum;
1170         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1171
1172         offset = sony_find_snc_handle(0x124);
1173         if (offset == -1) {
1174                 offset = sony_find_snc_handle(0x135);
1175                 if (offset == -1)
1176                         return;
1177                 else
1178                         sony_rfkill_handle = 0x135;
1179         } else
1180                 sony_rfkill_handle = 0x124;
1181         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1182
1183         /* need to read the whole buffer returned by the acpi call to SN06
1184          * here otherwise we may miss some features
1185          */
1186         params.count = 1;
1187         params.pointer = &in_obj;
1188         in_obj.type = ACPI_TYPE_INTEGER;
1189         in_obj.integer.value = offset;
1190         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1191                         &buffer);
1192         if (ACPI_FAILURE(status)) {
1193                 dprintk("Radio device enumeration failed\n");
1194                 return;
1195         }
1196
1197         device_enum = (union acpi_object *) buffer.pointer;
1198         if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1199                 printk(KERN_ERR "Invalid SN06 return object 0x%.2x\n",
1200                                 device_enum->type);
1201                 goto out_no_enum;
1202         }
1203
1204         /* the buffer is filled with magic numbers describing the devices
1205          * available, 0xff terminates the enumeration
1206          */
1207         for (i = 0; i < device_enum->buffer.length; i++) {
1208
1209                 dev_code = *(device_enum->buffer.pointer + i);
1210                 if (dev_code == 0xff)
1211                         break;
1212
1213                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1214
1215                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1216                         sony_nc_setup_rfkill(device, SONY_WIFI);
1217
1218                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1219                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1220
1221                 if ((0xf0 & dev_code) == 0x20 &&
1222                                 !sony_rfkill_devices[SONY_WWAN])
1223                         sony_nc_setup_rfkill(device, SONY_WWAN);
1224
1225                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1226                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1227         }
1228
1229 out_no_enum:
1230         kfree(buffer.pointer);
1231         return;
1232 }
1233
1234 static int sony_nc_add(struct acpi_device *device)
1235 {
1236         acpi_status status;
1237         int result = 0;
1238         acpi_handle handle;
1239         struct sony_nc_value *item;
1240
1241         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1242                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1243
1244         sony_nc_acpi_device = device;
1245         strcpy(acpi_device_class(device), "sony/hotkey");
1246
1247         sony_nc_acpi_handle = device->handle;
1248
1249         /* read device status */
1250         result = acpi_bus_get_status(device);
1251         /* bail IFF the above call was successful and the device is not present */
1252         if (!result && !device->status.present) {
1253                 dprintk("Device not present\n");
1254                 result = -ENODEV;
1255                 goto outwalk;
1256         }
1257
1258         if (debug) {
1259                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1260                                              1, sony_walk_callback, NULL, NULL, NULL);
1261                 if (ACPI_FAILURE(status)) {
1262                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1263                         result = -ENODEV;
1264                         goto outwalk;
1265                 }
1266         }
1267
1268         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1269                                          &handle))) {
1270                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1271                         dprintk("ECON Method failed\n");
1272         }
1273
1274         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1275                                          &handle))) {
1276                 dprintk("Doing SNC setup\n");
1277                 sony_nc_function_setup(device);
1278                 sony_nc_rfkill_setup(device);
1279         }
1280
1281         /* setup input devices and helper fifo */
1282         result = sony_laptop_setup_input(device);
1283         if (result) {
1284                 printk(KERN_ERR DRV_PFX
1285                                 "Unable to create input devices.\n");
1286                 goto outwalk;
1287         }
1288
1289         if (acpi_video_backlight_support()) {
1290                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1291                        "controlled by ACPI video driver\n");
1292         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1293                                                 &handle))) {
1294                                                         struct backlight_properties props;
1295                 memset(&props, 0, sizeof(struct backlight_properties));
1296                 props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
1297                 sony_backlight_device = backlight_device_register("sony", NULL,
1298                                                                   NULL,
1299                                                                   &sony_backlight_ops,
1300                                                                   &props);
1301
1302                 if (IS_ERR(sony_backlight_device)) {
1303                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1304                         sony_backlight_device = NULL;
1305                 } else {
1306                         sony_backlight_device->props.brightness =
1307                             sony_backlight_get_brightness
1308                             (sony_backlight_device);
1309                 }
1310
1311         }
1312
1313         result = sony_pf_add();
1314         if (result)
1315                 goto outbacklight;
1316
1317         /* create sony_pf sysfs attributes related to the SNC device */
1318         for (item = sony_nc_values; item->name; ++item) {
1319
1320                 if (!debug && item->debug)
1321                         continue;
1322
1323                 /* find the available acpiget as described in the DSDT */
1324                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1325                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1326                                                          *item->acpiget,
1327                                                          &handle))) {
1328                                 dprintk("Found %s getter: %s\n",
1329                                                 item->name, *item->acpiget);
1330                                 item->devattr.attr.mode |= S_IRUGO;
1331                                 break;
1332                         }
1333                 }
1334
1335                 /* find the available acpiset as described in the DSDT */
1336                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1337                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1338                                                          *item->acpiset,
1339                                                          &handle))) {
1340                                 dprintk("Found %s setter: %s\n",
1341                                                 item->name, *item->acpiset);
1342                                 item->devattr.attr.mode |= S_IWUSR;
1343                                 break;
1344                         }
1345                 }
1346
1347                 if (item->devattr.attr.mode != 0) {
1348                         result =
1349                             device_create_file(&sony_pf_device->dev,
1350                                                &item->devattr);
1351                         if (result)
1352                                 goto out_sysfs;
1353                 }
1354         }
1355
1356         return 0;
1357
1358       out_sysfs:
1359         for (item = sony_nc_values; item->name; ++item) {
1360                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1361         }
1362         sony_pf_remove();
1363
1364       outbacklight:
1365         if (sony_backlight_device)
1366                 backlight_device_unregister(sony_backlight_device);
1367
1368         sony_laptop_remove_input();
1369
1370       outwalk:
1371         sony_nc_rfkill_cleanup();
1372         return result;
1373 }
1374
1375 static int sony_nc_remove(struct acpi_device *device, int type)
1376 {
1377         struct sony_nc_value *item;
1378
1379         if (sony_backlight_device)
1380                 backlight_device_unregister(sony_backlight_device);
1381
1382         sony_nc_acpi_device = NULL;
1383
1384         for (item = sony_nc_values; item->name; ++item) {
1385                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1386         }
1387
1388         sony_pf_remove();
1389         sony_laptop_remove_input();
1390         sony_nc_rfkill_cleanup();
1391         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1392
1393         return 0;
1394 }
1395
1396 static const struct acpi_device_id sony_device_ids[] = {
1397         {SONY_NC_HID, 0},
1398         {SONY_PIC_HID, 0},
1399         {"", 0},
1400 };
1401 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1402
1403 static const struct acpi_device_id sony_nc_device_ids[] = {
1404         {SONY_NC_HID, 0},
1405         {"", 0},
1406 };
1407
1408 static struct acpi_driver sony_nc_driver = {
1409         .name = SONY_NC_DRIVER_NAME,
1410         .class = SONY_NC_CLASS,
1411         .ids = sony_nc_device_ids,
1412         .owner = THIS_MODULE,
1413         .ops = {
1414                 .add = sony_nc_add,
1415                 .remove = sony_nc_remove,
1416                 .resume = sony_nc_resume,
1417                 .notify = sony_nc_notify,
1418                 },
1419 };
1420
1421 /*********** SPIC (SNY6001) Device ***********/
1422
1423 #define SONYPI_DEVICE_TYPE1     0x00000001
1424 #define SONYPI_DEVICE_TYPE2     0x00000002
1425 #define SONYPI_DEVICE_TYPE3     0x00000004
1426 #define SONYPI_DEVICE_TYPE4     0x00000008
1427
1428 #define SONYPI_TYPE1_OFFSET     0x04
1429 #define SONYPI_TYPE2_OFFSET     0x12
1430 #define SONYPI_TYPE3_OFFSET     0x12
1431
1432 struct sony_pic_ioport {
1433         struct acpi_resource_io io1;
1434         struct acpi_resource_io io2;
1435         struct list_head        list;
1436 };
1437
1438 struct sony_pic_irq {
1439         struct acpi_resource_irq        irq;
1440         struct list_head                list;
1441 };
1442
1443 struct sonypi_eventtypes {
1444         u8                      data;
1445         unsigned long           mask;
1446         struct sonypi_event     *events;
1447 };
1448
1449 struct sony_pic_dev {
1450         struct acpi_device              *acpi_dev;
1451         struct sony_pic_irq             *cur_irq;
1452         struct sony_pic_ioport          *cur_ioport;
1453         struct list_head                interrupts;
1454         struct list_head                ioports;
1455         struct mutex                    lock;
1456         struct sonypi_eventtypes        *event_types;
1457         int                             (*handle_irq)(const u8, const u8);
1458         int                             model;
1459         u16                             evport_offset;
1460         u8                              camera_power;
1461         u8                              bluetooth_power;
1462         u8                              wwan_power;
1463 };
1464
1465 static struct sony_pic_dev spic_dev = {
1466         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1467         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1468 };
1469
1470 static int spic_drv_registered;
1471
1472 /* Event masks */
1473 #define SONYPI_JOGGER_MASK                      0x00000001
1474 #define SONYPI_CAPTURE_MASK                     0x00000002
1475 #define SONYPI_FNKEY_MASK                       0x00000004
1476 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1477 #define SONYPI_PKEY_MASK                        0x00000010
1478 #define SONYPI_BACK_MASK                        0x00000020
1479 #define SONYPI_HELP_MASK                        0x00000040
1480 #define SONYPI_LID_MASK                         0x00000080
1481 #define SONYPI_ZOOM_MASK                        0x00000100
1482 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1483 #define SONYPI_MEYE_MASK                        0x00000400
1484 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1485 #define SONYPI_BATTERY_MASK                     0x00001000
1486 #define SONYPI_WIRELESS_MASK                    0x00002000
1487
1488 struct sonypi_event {
1489         u8      data;
1490         u8      event;
1491 };
1492
1493 /* The set of possible button release events */
1494 static struct sonypi_event sonypi_releaseev[] = {
1495         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1496         { 0, 0 }
1497 };
1498
1499 /* The set of possible jogger events  */
1500 static struct sonypi_event sonypi_joggerev[] = {
1501         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1502         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1503         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1504         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1505         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1506         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1507         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1508         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1509         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1510         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1511         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1512         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1513         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1514         { 0, 0 }
1515 };
1516
1517 /* The set of possible capture button events */
1518 static struct sonypi_event sonypi_captureev[] = {
1519         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1520         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1521         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1522         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1523         { 0, 0 }
1524 };
1525
1526 /* The set of possible fnkeys events */
1527 static struct sonypi_event sonypi_fnkeyev[] = {
1528         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1529         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1530         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1531         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1532         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1533         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1534         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1535         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1536         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1537         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1538         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1539         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1540         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1541         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1542         { 0x21, SONYPI_EVENT_FNKEY_1 },
1543         { 0x22, SONYPI_EVENT_FNKEY_2 },
1544         { 0x31, SONYPI_EVENT_FNKEY_D },
1545         { 0x32, SONYPI_EVENT_FNKEY_E },
1546         { 0x33, SONYPI_EVENT_FNKEY_F },
1547         { 0x34, SONYPI_EVENT_FNKEY_S },
1548         { 0x35, SONYPI_EVENT_FNKEY_B },
1549         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1550         { 0, 0 }
1551 };
1552
1553 /* The set of possible program key events */
1554 static struct sonypi_event sonypi_pkeyev[] = {
1555         { 0x01, SONYPI_EVENT_PKEY_P1 },
1556         { 0x02, SONYPI_EVENT_PKEY_P2 },
1557         { 0x04, SONYPI_EVENT_PKEY_P3 },
1558         { 0x20, SONYPI_EVENT_PKEY_P1 },
1559         { 0, 0 }
1560 };
1561
1562 /* The set of possible bluetooth events */
1563 static struct sonypi_event sonypi_blueev[] = {
1564         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1565         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1566         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1567         { 0, 0 }
1568 };
1569
1570 /* The set of possible wireless events */
1571 static struct sonypi_event sonypi_wlessev[] = {
1572         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1573         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1574         { 0, 0 }
1575 };
1576
1577 /* The set of possible back button events */
1578 static struct sonypi_event sonypi_backev[] = {
1579         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1580         { 0, 0 }
1581 };
1582
1583 /* The set of possible help button events */
1584 static struct sonypi_event sonypi_helpev[] = {
1585         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1586         { 0, 0 }
1587 };
1588
1589
1590 /* The set of possible lid events */
1591 static struct sonypi_event sonypi_lidev[] = {
1592         { 0x51, SONYPI_EVENT_LID_CLOSED },
1593         { 0x50, SONYPI_EVENT_LID_OPENED },
1594         { 0, 0 }
1595 };
1596
1597 /* The set of possible zoom events */
1598 static struct sonypi_event sonypi_zoomev[] = {
1599         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1600         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1601         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1602         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1603         { 0, 0 }
1604 };
1605
1606 /* The set of possible thumbphrase events */
1607 static struct sonypi_event sonypi_thumbphraseev[] = {
1608         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1609         { 0, 0 }
1610 };
1611
1612 /* The set of possible motioneye camera events */
1613 static struct sonypi_event sonypi_meyeev[] = {
1614         { 0x00, SONYPI_EVENT_MEYE_FACE },
1615         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1616         { 0, 0 }
1617 };
1618
1619 /* The set of possible memorystick events */
1620 static struct sonypi_event sonypi_memorystickev[] = {
1621         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1622         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1623         { 0, 0 }
1624 };
1625
1626 /* The set of possible battery events */
1627 static struct sonypi_event sonypi_batteryev[] = {
1628         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1629         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1630         { 0, 0 }
1631 };
1632
1633 /* The set of possible volume events */
1634 static struct sonypi_event sonypi_volumeev[] = {
1635         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1636         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1637         { 0, 0 }
1638 };
1639
1640 /* The set of possible brightness events */
1641 static struct sonypi_event sonypi_brightnessev[] = {
1642         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1643         { 0, 0 }
1644 };
1645
1646 static struct sonypi_eventtypes type1_events[] = {
1647         { 0, 0xffffffff, sonypi_releaseev },
1648         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1649         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1650         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1651         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1652         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1653         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1654         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1655         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1656         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1657         { 0 },
1658 };
1659 static struct sonypi_eventtypes type2_events[] = {
1660         { 0, 0xffffffff, sonypi_releaseev },
1661         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1662         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1663         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1664         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1665         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1666         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1667         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1668         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1669         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1670         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1671         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1672         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1673         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1674         { 0 },
1675 };
1676 static struct sonypi_eventtypes type3_events[] = {
1677         { 0, 0xffffffff, sonypi_releaseev },
1678         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1679         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1680         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1681         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1682         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1683         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1684         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1685         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1686         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1687         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1688         { 0 },
1689 };
1690
1691 /* low level spic calls */
1692 #define ITERATIONS_LONG         10000
1693 #define ITERATIONS_SHORT        10
1694 #define wait_on_command(command, iterations) {                          \
1695         unsigned int n = iterations;                                    \
1696         while (--n && (command))                                        \
1697                 udelay(1);                                              \
1698         if (!n)                                                         \
1699                 dprintk("command failed at %s : %s (line %d)\n",        \
1700                                 __FILE__, __func__, __LINE__);  \
1701 }
1702
1703 static u8 sony_pic_call1(u8 dev)
1704 {
1705         u8 v1, v2;
1706
1707         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1708                         ITERATIONS_LONG);
1709         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1710         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1711         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1712         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1713         return v2;
1714 }
1715
1716 static u8 sony_pic_call2(u8 dev, u8 fn)
1717 {
1718         u8 v1;
1719
1720         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1721                         ITERATIONS_LONG);
1722         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1723         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1724                         ITERATIONS_LONG);
1725         outb(fn, spic_dev.cur_ioport->io1.minimum);
1726         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1727         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1728         return v1;
1729 }
1730
1731 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1732 {
1733         u8 v1;
1734
1735         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1736         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1737         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1738         outb(fn, spic_dev.cur_ioport->io1.minimum);
1739         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1740         outb(v, spic_dev.cur_ioport->io1.minimum);
1741         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1742         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1743                         dev, fn, v, v1);
1744         return v1;
1745 }
1746
1747 /*
1748  * minidrivers for SPIC models
1749  */
1750 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1751 {
1752         /*
1753          * 0x31 could mean we have to take some extra action and wait for
1754          * the next irq for some Type3 models, it will generate a new
1755          * irq and we can read new data from the device:
1756          *  - 0x5c and 0x5f requires 0xA0
1757          *  - 0x61 requires 0xB3
1758          */
1759         if (data_mask == 0x31) {
1760                 if (ev == 0x5c || ev == 0x5f)
1761                         sony_pic_call1(0xA0);
1762                 else if (ev == 0x61)
1763                         sony_pic_call1(0xB3);
1764                 return 0;
1765         }
1766         return 1;
1767 }
1768
1769 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1770 {
1771         struct pci_dev *pcidev;
1772
1773         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1774                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1775         if (pcidev) {
1776                 dev->model = SONYPI_DEVICE_TYPE1;
1777                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1778                 dev->event_types = type1_events;
1779                 goto out;
1780         }
1781
1782         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1783                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1784         if (pcidev) {
1785                 dev->model = SONYPI_DEVICE_TYPE2;
1786                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1787                 dev->event_types = type2_events;
1788                 goto out;
1789         }
1790
1791         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1792                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1793         if (pcidev) {
1794                 dev->model = SONYPI_DEVICE_TYPE3;
1795                 dev->handle_irq = type3_handle_irq;
1796                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1797                 dev->event_types = type3_events;
1798                 goto out;
1799         }
1800
1801         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1802                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1803         if (pcidev) {
1804                 dev->model = SONYPI_DEVICE_TYPE3;
1805                 dev->handle_irq = type3_handle_irq;
1806                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1807                 dev->event_types = type3_events;
1808                 goto out;
1809         }
1810
1811         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1812                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1813         if (pcidev) {
1814                 dev->model = SONYPI_DEVICE_TYPE3;
1815                 dev->handle_irq = type3_handle_irq;
1816                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1817                 dev->event_types = type3_events;
1818                 goto out;
1819         }
1820
1821         /* default */
1822         dev->model = SONYPI_DEVICE_TYPE2;
1823         dev->evport_offset = SONYPI_TYPE2_OFFSET;
1824         dev->event_types = type2_events;
1825
1826 out:
1827         if (pcidev)
1828                 pci_dev_put(pcidev);
1829
1830         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1831                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1832                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1833 }
1834
1835 /* camera tests and poweron/poweroff */
1836 #define SONYPI_CAMERA_PICTURE           5
1837 #define SONYPI_CAMERA_CONTROL           0x10
1838
1839 #define SONYPI_CAMERA_BRIGHTNESS                0
1840 #define SONYPI_CAMERA_CONTRAST                  1
1841 #define SONYPI_CAMERA_HUE                       2
1842 #define SONYPI_CAMERA_COLOR                     3
1843 #define SONYPI_CAMERA_SHARPNESS                 4
1844
1845 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1846 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1847 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1848 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1849
1850 /* the rest don't need a loop until not 0xff */
1851 #define SONYPI_CAMERA_AGC                       6
1852 #define SONYPI_CAMERA_AGC_MASK                  0x30
1853 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1854
1855 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1856 #define SONYPI_CAMERA_CONTROL                   0x10
1857
1858 #define SONYPI_CAMERA_STATUS                    7
1859 #define SONYPI_CAMERA_STATUS_READY              0x2
1860 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1861
1862 #define SONYPI_DIRECTION_BACKWARDS              0x4
1863
1864 #define SONYPI_CAMERA_REVISION                  8
1865 #define SONYPI_CAMERA_ROMVERSION                9
1866
1867 static int __sony_pic_camera_ready(void)
1868 {
1869         u8 v;
1870
1871         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1872         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1873 }
1874
1875 static int __sony_pic_camera_off(void)
1876 {
1877         if (!camera) {
1878                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1879                 return -ENODEV;
1880         }
1881
1882         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1883                                 SONYPI_CAMERA_MUTE_MASK),
1884                         ITERATIONS_SHORT);
1885
1886         if (spic_dev.camera_power) {
1887                 sony_pic_call2(0x91, 0);
1888                 spic_dev.camera_power = 0;
1889         }
1890         return 0;
1891 }
1892
1893 static int __sony_pic_camera_on(void)
1894 {
1895         int i, j, x;
1896
1897         if (!camera) {
1898                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1899                 return -ENODEV;
1900         }
1901
1902         if (spic_dev.camera_power)
1903                 return 0;
1904
1905         for (j = 5; j > 0; j--) {
1906
1907                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1908                         msleep(10);
1909                 sony_pic_call1(0x93);
1910
1911                 for (i = 400; i > 0; i--) {
1912                         if (__sony_pic_camera_ready())
1913                                 break;
1914                         msleep(10);
1915                 }
1916                 if (i)
1917                         break;
1918         }
1919
1920         if (j == 0) {
1921                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1922                 return -ENODEV;
1923         }
1924
1925         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1926                                 0x5a),
1927                         ITERATIONS_SHORT);
1928
1929         spic_dev.camera_power = 1;
1930         return 0;
1931 }
1932
1933 /* External camera command (exported to the motion eye v4l driver) */
1934 int sony_pic_camera_command(int command, u8 value)
1935 {
1936         if (!camera)
1937                 return -EIO;
1938
1939         mutex_lock(&spic_dev.lock);
1940
1941         switch (command) {
1942         case SONY_PIC_COMMAND_SETCAMERA:
1943                 if (value)
1944                         __sony_pic_camera_on();
1945                 else
1946                         __sony_pic_camera_off();
1947                 break;
1948         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1949                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1950                                 ITERATIONS_SHORT);
1951                 break;
1952         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1953                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1954                                 ITERATIONS_SHORT);
1955                 break;
1956         case SONY_PIC_COMMAND_SETCAMERAHUE:
1957                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1958                                 ITERATIONS_SHORT);
1959                 break;
1960         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1961                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1962                                 ITERATIONS_SHORT);
1963                 break;
1964         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1965                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1966                                 ITERATIONS_SHORT);
1967                 break;
1968         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1969                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1970                                 ITERATIONS_SHORT);
1971                 break;
1972         case SONY_PIC_COMMAND_SETCAMERAAGC:
1973                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1974                                 ITERATIONS_SHORT);
1975                 break;
1976         default:
1977                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1978                        command);
1979                 break;
1980         }
1981         mutex_unlock(&spic_dev.lock);
1982         return 0;
1983 }
1984 EXPORT_SYMBOL(sony_pic_camera_command);
1985
1986 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1987 static void __sony_pic_set_wwanpower(u8 state)
1988 {
1989         state = !!state;
1990         if (spic_dev.wwan_power == state)
1991                 return;
1992         sony_pic_call2(0xB0, state);
1993         sony_pic_call1(0x82);
1994         spic_dev.wwan_power = state;
1995 }
1996
1997 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1998                 struct device_attribute *attr,
1999                 const char *buffer, size_t count)
2000 {
2001         unsigned long value;
2002         if (count > 31)
2003                 return -EINVAL;
2004
2005         value = simple_strtoul(buffer, NULL, 10);
2006         mutex_lock(&spic_dev.lock);
2007         __sony_pic_set_wwanpower(value);
2008         mutex_unlock(&spic_dev.lock);
2009
2010         return count;
2011 }
2012
2013 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2014                 struct device_attribute *attr, char *buffer)
2015 {
2016         ssize_t count;
2017         mutex_lock(&spic_dev.lock);
2018         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2019         mutex_unlock(&spic_dev.lock);
2020         return count;
2021 }
2022
2023 /* bluetooth subsystem power state */
2024 static void __sony_pic_set_bluetoothpower(u8 state)
2025 {
2026         state = !!state;
2027         if (spic_dev.bluetooth_power == state)
2028                 return;
2029         sony_pic_call2(0x96, state);
2030         sony_pic_call1(0x82);
2031         spic_dev.bluetooth_power = state;
2032 }
2033
2034 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2035                 struct device_attribute *attr,
2036                 const char *buffer, size_t count)
2037 {
2038         unsigned long value;
2039         if (count > 31)
2040                 return -EINVAL;
2041
2042         value = simple_strtoul(buffer, NULL, 10);
2043         mutex_lock(&spic_dev.lock);
2044         __sony_pic_set_bluetoothpower(value);
2045         mutex_unlock(&spic_dev.lock);
2046
2047         return count;
2048 }
2049
2050 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2051                 struct device_attribute *attr, char *buffer)
2052 {
2053         ssize_t count = 0;
2054         mutex_lock(&spic_dev.lock);
2055         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2056         mutex_unlock(&spic_dev.lock);
2057         return count;
2058 }
2059
2060 /* fan speed */
2061 /* FAN0 information (reverse engineered from ACPI tables) */
2062 #define SONY_PIC_FAN0_STATUS    0x93
2063 static int sony_pic_set_fanspeed(unsigned long value)
2064 {
2065         return ec_write(SONY_PIC_FAN0_STATUS, value);
2066 }
2067
2068 static int sony_pic_get_fanspeed(u8 *value)
2069 {
2070         return ec_read(SONY_PIC_FAN0_STATUS, value);
2071 }
2072
2073 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2074                 struct device_attribute *attr,
2075                 const char *buffer, size_t count)
2076 {
2077         unsigned long value;
2078         if (count > 31)
2079                 return -EINVAL;
2080
2081         value = simple_strtoul(buffer, NULL, 10);
2082         if (sony_pic_set_fanspeed(value))
2083                 return -EIO;
2084
2085         return count;
2086 }
2087
2088 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2089                 struct device_attribute *attr, char *buffer)
2090 {
2091         u8 value = 0;
2092         if (sony_pic_get_fanspeed(&value))
2093                 return -EIO;
2094
2095         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2096 }
2097
2098 #define SPIC_ATTR(_name, _mode)                                 \
2099 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2100                 _mode, sony_pic_## _name ##_show,               \
2101                 sony_pic_## _name ##_store)
2102
2103 static SPIC_ATTR(bluetoothpower, 0644);
2104 static SPIC_ATTR(wwanpower, 0644);
2105 static SPIC_ATTR(fanspeed, 0644);
2106
2107 static struct attribute *spic_attributes[] = {
2108         &spic_attr_bluetoothpower.attr,
2109         &spic_attr_wwanpower.attr,
2110         &spic_attr_fanspeed.attr,
2111         NULL
2112 };
2113
2114 static struct attribute_group spic_attribute_group = {
2115         .attrs = spic_attributes
2116 };
2117
2118 /******** SONYPI compatibility **********/
2119 #ifdef CONFIG_SONYPI_COMPAT
2120
2121 /* battery / brightness / temperature  addresses */
2122 #define SONYPI_BAT_FLAGS        0x81
2123 #define SONYPI_LCD_LIGHT        0x96
2124 #define SONYPI_BAT1_PCTRM       0xa0
2125 #define SONYPI_BAT1_LEFT        0xa2
2126 #define SONYPI_BAT1_MAXRT       0xa4
2127 #define SONYPI_BAT2_PCTRM       0xa8
2128 #define SONYPI_BAT2_LEFT        0xaa
2129 #define SONYPI_BAT2_MAXRT       0xac
2130 #define SONYPI_BAT1_MAXTK       0xb0
2131 #define SONYPI_BAT1_FULL        0xb2
2132 #define SONYPI_BAT2_MAXTK       0xb8
2133 #define SONYPI_BAT2_FULL        0xba
2134 #define SONYPI_TEMP_STATUS      0xC1
2135
2136 struct sonypi_compat_s {
2137         struct fasync_struct    *fifo_async;
2138         struct kfifo            fifo;
2139         spinlock_t              fifo_lock;
2140         wait_queue_head_t       fifo_proc_list;
2141         atomic_t                open_count;
2142 };
2143 static struct sonypi_compat_s sonypi_compat = {
2144         .open_count = ATOMIC_INIT(0),
2145 };
2146
2147 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2148 {
2149         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2150 }
2151
2152 static int sonypi_misc_release(struct inode *inode, struct file *file)
2153 {
2154         atomic_dec(&sonypi_compat.open_count);
2155         return 0;
2156 }
2157
2158 static int sonypi_misc_open(struct inode *inode, struct file *file)
2159 {
2160         /* Flush input queue on first open */
2161         unsigned long flags;
2162
2163         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2164
2165         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2166                 kfifo_reset(&sonypi_compat.fifo);
2167
2168         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2169
2170         return 0;
2171 }
2172
2173 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2174                                 size_t count, loff_t *pos)
2175 {
2176         ssize_t ret;
2177         unsigned char c;
2178
2179         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2180             (file->f_flags & O_NONBLOCK))
2181                 return -EAGAIN;
2182
2183         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2184                                        kfifo_len(&sonypi_compat.fifo) != 0);
2185         if (ret)
2186                 return ret;
2187
2188         while (ret < count &&
2189                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2190                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2191                 if (put_user(c, buf++))
2192                         return -EFAULT;
2193                 ret++;
2194         }
2195
2196         if (ret > 0) {
2197                 struct inode *inode = file->f_path.dentry->d_inode;
2198                 inode->i_atime = current_fs_time(inode->i_sb);
2199         }
2200
2201         return ret;
2202 }
2203
2204 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2205 {
2206         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2207         if (kfifo_len(&sonypi_compat.fifo))
2208                 return POLLIN | POLLRDNORM;
2209         return 0;
2210 }
2211
2212 static int ec_read16(u8 addr, u16 *value)
2213 {
2214         u8 val_lb, val_hb;
2215         if (ec_read(addr, &val_lb))
2216                 return -1;
2217         if (ec_read(addr + 1, &val_hb))
2218                 return -1;
2219         *value = val_lb | (val_hb << 8);
2220         return 0;
2221 }
2222
2223 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2224                                                         unsigned long arg)
2225 {
2226         int ret = 0;
2227         void __user *argp = (void __user *)arg;
2228         u8 val8;
2229         u16 val16;
2230         int value;
2231
2232         mutex_lock(&spic_dev.lock);
2233         switch (cmd) {
2234         case SONYPI_IOCGBRT:
2235                 if (sony_backlight_device == NULL) {
2236                         ret = -EIO;
2237                         break;
2238                 }
2239                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2240                         ret = -EIO;
2241                         break;
2242                 }
2243                 val8 = ((value & 0xff) - 1) << 5;
2244                 if (copy_to_user(argp, &val8, sizeof(val8)))
2245                                 ret = -EFAULT;
2246                 break;
2247         case SONYPI_IOCSBRT:
2248                 if (sony_backlight_device == NULL) {
2249                         ret = -EIO;
2250                         break;
2251                 }
2252                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2253                         ret = -EFAULT;
2254                         break;
2255                 }
2256                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2257                                 (val8 >> 5) + 1, NULL)) {
2258                         ret = -EIO;
2259                         break;
2260                 }
2261                 /* sync the backlight device status */
2262                 sony_backlight_device->props.brightness =
2263                     sony_backlight_get_brightness(sony_backlight_device);
2264                 break;
2265         case SONYPI_IOCGBAT1CAP:
2266                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2267                         ret = -EIO;
2268                         break;
2269                 }
2270                 if (copy_to_user(argp, &val16, sizeof(val16)))
2271                         ret = -EFAULT;
2272                 break;
2273         case SONYPI_IOCGBAT1REM:
2274                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2275                         ret = -EIO;
2276                         break;
2277                 }
2278                 if (copy_to_user(argp, &val16, sizeof(val16)))
2279                         ret = -EFAULT;
2280                 break;
2281         case SONYPI_IOCGBAT2CAP:
2282                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2283                         ret = -EIO;
2284                         break;
2285                 }
2286                 if (copy_to_user(argp, &val16, sizeof(val16)))
2287                         ret = -EFAULT;
2288                 break;
2289         case SONYPI_IOCGBAT2REM:
2290                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2291                         ret = -EIO;
2292                         break;
2293                 }
2294                 if (copy_to_user(argp, &val16, sizeof(val16)))
2295                         ret = -EFAULT;
2296                 break;
2297         case SONYPI_IOCGBATFLAGS:
2298                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2299                         ret = -EIO;
2300                         break;
2301                 }
2302                 val8 &= 0x07;
2303                 if (copy_to_user(argp, &val8, sizeof(val8)))
2304                         ret = -EFAULT;
2305                 break;
2306         case SONYPI_IOCGBLUE:
2307                 val8 = spic_dev.bluetooth_power;
2308                 if (copy_to_user(argp, &val8, sizeof(val8)))
2309                         ret = -EFAULT;
2310                 break;
2311         case SONYPI_IOCSBLUE:
2312                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2313                         ret = -EFAULT;
2314                         break;
2315                 }
2316                 __sony_pic_set_bluetoothpower(val8);
2317                 break;
2318         /* FAN Controls */
2319         case SONYPI_IOCGFAN:
2320                 if (sony_pic_get_fanspeed(&val8)) {
2321                         ret = -EIO;
2322                         break;
2323                 }
2324                 if (copy_to_user(argp, &val8, sizeof(val8)))
2325                         ret = -EFAULT;
2326                 break;
2327         case SONYPI_IOCSFAN:
2328                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2329                         ret = -EFAULT;
2330                         break;
2331                 }
2332                 if (sony_pic_set_fanspeed(val8))
2333                         ret = -EIO;
2334                 break;
2335         /* GET Temperature (useful under APM) */
2336         case SONYPI_IOCGTEMP:
2337                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2338                         ret = -EIO;
2339                         break;
2340                 }
2341                 if (copy_to_user(argp, &val8, sizeof(val8)))
2342                         ret = -EFAULT;
2343                 break;
2344         default:
2345                 ret = -EINVAL;
2346         }
2347         mutex_unlock(&spic_dev.lock);
2348         return ret;
2349 }
2350
2351 static const struct file_operations sonypi_misc_fops = {
2352         .owner          = THIS_MODULE,
2353         .read           = sonypi_misc_read,
2354         .poll           = sonypi_misc_poll,
2355         .open           = sonypi_misc_open,
2356         .release        = sonypi_misc_release,
2357         .fasync         = sonypi_misc_fasync,
2358         .unlocked_ioctl = sonypi_misc_ioctl,
2359 };
2360
2361 static struct miscdevice sonypi_misc_device = {
2362         .minor          = MISC_DYNAMIC_MINOR,
2363         .name           = "sonypi",
2364         .fops           = &sonypi_misc_fops,
2365 };
2366
2367 static void sonypi_compat_report_event(u8 event)
2368 {
2369         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2370                         sizeof(event), &sonypi_compat.fifo_lock);
2371         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2372         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2373 }
2374
2375 static int sonypi_compat_init(void)
2376 {
2377         int error;
2378
2379         spin_lock_init(&sonypi_compat.fifo_lock);
2380         error =
2381          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2382         if (error) {
2383                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2384                 return error;
2385         }
2386
2387         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2388
2389         if (minor != -1)
2390                 sonypi_misc_device.minor = minor;
2391         error = misc_register(&sonypi_misc_device);
2392         if (error) {
2393                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2394                 goto err_free_kfifo;
2395         }
2396         if (minor == -1)
2397                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2398                        sonypi_misc_device.minor);
2399
2400         return 0;
2401
2402 err_free_kfifo:
2403         kfifo_free(&sonypi_compat.fifo);
2404         return error;
2405 }
2406
2407 static void sonypi_compat_exit(void)
2408 {
2409         misc_deregister(&sonypi_misc_device);
2410         kfifo_free(&sonypi_compat.fifo);
2411 }
2412 #else
2413 static int sonypi_compat_init(void) { return 0; }
2414 static void sonypi_compat_exit(void) { }
2415 static void sonypi_compat_report_event(u8 event) { }
2416 #endif /* CONFIG_SONYPI_COMPAT */
2417
2418 /*
2419  * ACPI callbacks
2420  */
2421 static acpi_status
2422 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2423 {
2424         u32 i;
2425         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2426
2427         switch (resource->type) {
2428         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2429                 {
2430                         /* start IO enumeration */
2431                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2432                         if (!ioport)
2433                                 return AE_ERROR;
2434
2435                         list_add(&ioport->list, &dev->ioports);
2436                         return AE_OK;
2437                 }
2438
2439         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2440                 /* end IO enumeration */
2441                 return AE_OK;
2442
2443         case ACPI_RESOURCE_TYPE_IRQ:
2444                 {
2445                         struct acpi_resource_irq *p = &resource->data.irq;
2446                         struct sony_pic_irq *interrupt = NULL;
2447                         if (!p || !p->interrupt_count) {
2448                                 /*
2449                                  * IRQ descriptors may have no IRQ# bits set,
2450                                  * particularly those those w/ _STA disabled
2451                                  */
2452                                 dprintk("Blank IRQ resource\n");
2453                                 return AE_OK;
2454                         }
2455                         for (i = 0; i < p->interrupt_count; i++) {
2456                                 if (!p->interrupts[i]) {
2457                                         printk(KERN_WARNING DRV_PFX
2458                                                         "Invalid IRQ %d\n",
2459                                                         p->interrupts[i]);
2460                                         continue;
2461                                 }
2462                                 interrupt = kzalloc(sizeof(*interrupt),
2463                                                 GFP_KERNEL);
2464                                 if (!interrupt)
2465                                         return AE_ERROR;
2466
2467                                 list_add(&interrupt->list, &dev->interrupts);
2468                                 interrupt->irq.triggering = p->triggering;
2469                                 interrupt->irq.polarity = p->polarity;
2470                                 interrupt->irq.sharable = p->sharable;
2471                                 interrupt->irq.interrupt_count = 1;
2472                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2473                         }
2474                         return AE_OK;
2475                 }
2476         case ACPI_RESOURCE_TYPE_IO:
2477                 {
2478                         struct acpi_resource_io *io = &resource->data.io;
2479                         struct sony_pic_ioport *ioport =
2480                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2481                         if (!io) {
2482                                 dprintk("Blank IO resource\n");
2483                                 return AE_OK;
2484                         }
2485
2486                         if (!ioport->io1.minimum) {
2487                                 memcpy(&ioport->io1, io, sizeof(*io));
2488                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2489                                                 ioport->io1.address_length);
2490                         }
2491                         else if (!ioport->io2.minimum) {
2492                                 memcpy(&ioport->io2, io, sizeof(*io));
2493                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2494                                                 ioport->io2.address_length);
2495                         }
2496                         else {
2497                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2498                                 return AE_ERROR;
2499                         }
2500                         return AE_OK;
2501                 }
2502         default:
2503                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2504                                 resource->type);
2505
2506         case ACPI_RESOURCE_TYPE_END_TAG:
2507                 return AE_OK;
2508         }
2509         return AE_CTRL_TERMINATE;
2510 }
2511
2512 static int sony_pic_possible_resources(struct acpi_device *device)
2513 {
2514         int result = 0;
2515         acpi_status status = AE_OK;
2516
2517         if (!device)
2518                 return -EINVAL;
2519
2520         /* get device status */
2521         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2522         dprintk("Evaluating _STA\n");
2523         result = acpi_bus_get_status(device);
2524         if (result) {
2525                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2526                 goto end;
2527         }
2528
2529         if (!device->status.enabled)
2530                 dprintk("Device disabled\n");
2531         else
2532                 dprintk("Device enabled\n");
2533
2534         /*
2535          * Query and parse 'method'
2536          */
2537         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2538         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2539                         sony_pic_read_possible_resource, &spic_dev);
2540         if (ACPI_FAILURE(status)) {
2541                 printk(KERN_WARNING DRV_PFX
2542                                 "Failure evaluating %s\n",
2543                                 METHOD_NAME__PRS);
2544                 result = -ENODEV;
2545         }
2546 end:
2547         return result;
2548 }
2549
2550 /*
2551  *  Disable the spic device by calling its _DIS method
2552  */
2553 static int sony_pic_disable(struct acpi_device *device)
2554 {
2555         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2556                                                NULL);
2557
2558         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2559                 return -ENXIO;
2560
2561         dprintk("Device disabled\n");
2562         return 0;
2563 }
2564
2565
2566 /*
2567  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2568  *
2569  *  Call _SRS to set current resources
2570  */
2571 static int sony_pic_enable(struct acpi_device *device,
2572                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2573 {
2574         acpi_status status;
2575         int result = 0;
2576         /* Type 1 resource layout is:
2577          *    IO
2578          *    IO
2579          *    IRQNoFlags
2580          *    End
2581          *
2582          * Type 2 and 3 resource layout is:
2583          *    IO
2584          *    IRQNoFlags
2585          *    End
2586          */
2587         struct {
2588                 struct acpi_resource res1;
2589                 struct acpi_resource res2;
2590                 struct acpi_resource res3;
2591                 struct acpi_resource res4;
2592         } *resource;
2593         struct acpi_buffer buffer = { 0, NULL };
2594
2595         if (!ioport || !irq)
2596                 return -EINVAL;
2597
2598         /* init acpi_buffer */
2599         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2600         if (!resource)
2601                 return -ENOMEM;
2602
2603         buffer.length = sizeof(*resource) + 1;
2604         buffer.pointer = resource;
2605
2606         /* setup Type 1 resources */
2607         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2608
2609                 /* setup io resources */
2610                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2611                 resource->res1.length = sizeof(struct acpi_resource);
2612                 memcpy(&resource->res1.data.io, &ioport->io1,
2613                                 sizeof(struct acpi_resource_io));
2614
2615                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2616                 resource->res2.length = sizeof(struct acpi_resource);
2617                 memcpy(&resource->res2.data.io, &ioport->io2,
2618                                 sizeof(struct acpi_resource_io));
2619
2620                 /* setup irq resource */
2621                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2622                 resource->res3.length = sizeof(struct acpi_resource);
2623                 memcpy(&resource->res3.data.irq, &irq->irq,
2624                                 sizeof(struct acpi_resource_irq));
2625                 /* we requested a shared irq */
2626                 resource->res3.data.irq.sharable = ACPI_SHARED;
2627
2628                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2629
2630         }
2631         /* setup Type 2/3 resources */
2632         else {
2633                 /* setup io resource */
2634                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2635                 resource->res1.length = sizeof(struct acpi_resource);
2636                 memcpy(&resource->res1.data.io, &ioport->io1,
2637                                 sizeof(struct acpi_resource_io));
2638
2639                 /* setup irq resource */
2640                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2641                 resource->res2.length = sizeof(struct acpi_resource);
2642                 memcpy(&resource->res2.data.irq, &irq->irq,
2643                                 sizeof(struct acpi_resource_irq));
2644                 /* we requested a shared irq */
2645                 resource->res2.data.irq.sharable = ACPI_SHARED;
2646
2647                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2648         }
2649
2650         /* Attempt to set the resource */
2651         dprintk("Evaluating _SRS\n");
2652         status = acpi_set_current_resources(device->handle, &buffer);
2653
2654         /* check for total failure */
2655         if (ACPI_FAILURE(status)) {
2656                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2657                 result = -ENODEV;
2658                 goto end;
2659         }
2660
2661         /* Necessary device initializations calls (from sonypi) */
2662         sony_pic_call1(0x82);
2663         sony_pic_call2(0x81, 0xff);
2664         sony_pic_call1(compat ? 0x92 : 0x82);
2665
2666 end:
2667         kfree(resource);
2668         return result;
2669 }
2670
2671 /*****************
2672  *
2673  * ISR: some event is available
2674  *
2675  *****************/
2676 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2677 {
2678         int i, j;
2679         u8 ev = 0;
2680         u8 data_mask = 0;
2681         u8 device_event = 0;
2682
2683         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2684
2685         ev = inb_p(dev->cur_ioport->io1.minimum);
2686         if (dev->cur_ioport->io2.minimum)
2687                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2688         else
2689                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2690                                 dev->evport_offset);
2691
2692         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2693                         ev, data_mask, dev->cur_ioport->io1.minimum,
2694                         dev->evport_offset);
2695
2696         if (ev == 0x00 || ev == 0xff)
2697                 return IRQ_HANDLED;
2698
2699         for (i = 0; dev->event_types[i].mask; i++) {
2700
2701                 if ((data_mask & dev->event_types[i].data) !=
2702                     dev->event_types[i].data)
2703                         continue;
2704
2705                 if (!(mask & dev->event_types[i].mask))
2706                         continue;
2707
2708                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2709                         if (ev == dev->event_types[i].events[j].data) {
2710                                 device_event =
2711                                         dev->event_types[i].events[j].event;
2712                                 goto found;
2713                         }
2714                 }
2715         }
2716         /* Still not able to decode the event try to pass
2717          * it over to the minidriver
2718          */
2719         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2720                 return IRQ_HANDLED;
2721
2722         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2723                         ev, data_mask, dev->cur_ioport->io1.minimum,
2724                         dev->evport_offset);
2725         return IRQ_HANDLED;
2726
2727 found:
2728         sony_laptop_report_input_event(device_event);
2729         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2730         sonypi_compat_report_event(device_event);
2731
2732         return IRQ_HANDLED;
2733 }
2734
2735 /*****************
2736  *
2737  *  ACPI driver
2738  *
2739  *****************/
2740 static int sony_pic_remove(struct acpi_device *device, int type)
2741 {
2742         struct sony_pic_ioport *io, *tmp_io;
2743         struct sony_pic_irq *irq, *tmp_irq;
2744
2745         if (sony_pic_disable(device)) {
2746                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2747                 return -ENXIO;
2748         }
2749
2750         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2751         release_region(spic_dev.cur_ioport->io1.minimum,
2752                         spic_dev.cur_ioport->io1.address_length);
2753         if (spic_dev.cur_ioport->io2.minimum)
2754                 release_region(spic_dev.cur_ioport->io2.minimum,
2755                                 spic_dev.cur_ioport->io2.address_length);
2756
2757         sonypi_compat_exit();
2758
2759         sony_laptop_remove_input();
2760
2761         /* pf attrs */
2762         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2763         sony_pf_remove();
2764
2765         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2766                 list_del(&io->list);
2767                 kfree(io);
2768         }
2769         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2770                 list_del(&irq->list);
2771                 kfree(irq);
2772         }
2773         spic_dev.cur_ioport = NULL;
2774         spic_dev.cur_irq = NULL;
2775
2776         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2777         return 0;
2778 }
2779
2780 static int sony_pic_add(struct acpi_device *device)
2781 {
2782         int result;
2783         struct sony_pic_ioport *io, *tmp_io;
2784         struct sony_pic_irq *irq, *tmp_irq;
2785
2786         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2787                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2788
2789         spic_dev.acpi_dev = device;
2790         strcpy(acpi_device_class(device), "sony/hotkey");
2791         sony_pic_detect_device_type(&spic_dev);
2792         mutex_init(&spic_dev.lock);
2793
2794         /* read _PRS resources */
2795         result = sony_pic_possible_resources(device);
2796         if (result) {
2797                 printk(KERN_ERR DRV_PFX
2798                                 "Unable to read possible resources.\n");
2799                 goto err_free_resources;
2800         }
2801
2802         /* setup input devices and helper fifo */
2803         result = sony_laptop_setup_input(device);
2804         if (result) {
2805                 printk(KERN_ERR DRV_PFX
2806                                 "Unable to create input devices.\n");
2807                 goto err_free_resources;
2808         }
2809
2810         if (sonypi_compat_init())
2811                 goto err_remove_input;
2812
2813         /* request io port */
2814         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2815                 if (request_region(io->io1.minimum, io->io1.address_length,
2816                                         "Sony Programable I/O Device")) {
2817                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2818                                         io->io1.minimum, io->io1.maximum,
2819                                         io->io1.address_length);
2820                         /* Type 1 have 2 ioports */
2821                         if (io->io2.minimum) {
2822                                 if (request_region(io->io2.minimum,
2823                                                 io->io2.address_length,
2824                                                 "Sony Programable I/O Device")) {
2825                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2826                                                         io->io2.minimum, io->io2.maximum,
2827                                                         io->io2.address_length);
2828                                         spic_dev.cur_ioport = io;
2829                                         break;
2830                                 }
2831                                 else {
2832                                         dprintk("Unable to get I/O port2: "
2833                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2834                                                         io->io2.minimum, io->io2.maximum,
2835                                                         io->io2.address_length);
2836                                         release_region(io->io1.minimum,
2837                                                         io->io1.address_length);
2838                                 }
2839                         }
2840                         else {
2841                                 spic_dev.cur_ioport = io;
2842                                 break;
2843                         }
2844                 }
2845         }
2846         if (!spic_dev.cur_ioport) {
2847                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2848                 result = -ENODEV;
2849                 goto err_remove_compat;
2850         }
2851
2852         /* request IRQ */
2853         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2854                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2855                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2856                         dprintk("IRQ: %d - triggering: %d - "
2857                                         "polarity: %d - shr: %d\n",
2858                                         irq->irq.interrupts[0],
2859                                         irq->irq.triggering,
2860                                         irq->irq.polarity,
2861                                         irq->irq.sharable);
2862                         spic_dev.cur_irq = irq;
2863                         break;
2864                 }
2865         }
2866         if (!spic_dev.cur_irq) {
2867                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2868                 result = -ENODEV;
2869                 goto err_release_region;
2870         }
2871
2872         /* set resource status _SRS */
2873         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2874         if (result) {
2875                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2876                 goto err_free_irq;
2877         }
2878
2879         spic_dev.bluetooth_power = -1;
2880         /* create device attributes */
2881         result = sony_pf_add();
2882         if (result)
2883                 goto err_disable_device;
2884
2885         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2886         if (result)
2887                 goto err_remove_pf;
2888
2889         return 0;
2890
2891 err_remove_pf:
2892         sony_pf_remove();
2893
2894 err_disable_device:
2895         sony_pic_disable(device);
2896
2897 err_free_irq:
2898         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2899
2900 err_release_region:
2901         release_region(spic_dev.cur_ioport->io1.minimum,
2902                         spic_dev.cur_ioport->io1.address_length);
2903         if (spic_dev.cur_ioport->io2.minimum)
2904                 release_region(spic_dev.cur_ioport->io2.minimum,
2905                                 spic_dev.cur_ioport->io2.address_length);
2906
2907 err_remove_compat:
2908         sonypi_compat_exit();
2909
2910 err_remove_input:
2911         sony_laptop_remove_input();
2912
2913 err_free_resources:
2914         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2915                 list_del(&io->list);
2916                 kfree(io);
2917         }
2918         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2919                 list_del(&irq->list);
2920                 kfree(irq);
2921         }
2922         spic_dev.cur_ioport = NULL;
2923         spic_dev.cur_irq = NULL;
2924
2925         return result;
2926 }
2927
2928 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2929 {
2930         if (sony_pic_disable(device))
2931                 return -ENXIO;
2932         return 0;
2933 }
2934
2935 static int sony_pic_resume(struct acpi_device *device)
2936 {
2937         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2938         return 0;
2939 }
2940
2941 static const struct acpi_device_id sony_pic_device_ids[] = {
2942         {SONY_PIC_HID, 0},
2943         {"", 0},
2944 };
2945
2946 static struct acpi_driver sony_pic_driver = {
2947         .name = SONY_PIC_DRIVER_NAME,
2948         .class = SONY_PIC_CLASS,
2949         .ids = sony_pic_device_ids,
2950         .owner = THIS_MODULE,
2951         .ops = {
2952                 .add = sony_pic_add,
2953                 .remove = sony_pic_remove,
2954                 .suspend = sony_pic_suspend,
2955                 .resume = sony_pic_resume,
2956                 },
2957 };
2958
2959 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2960         {
2961                 .ident = "Sony Vaio",
2962                 .matches = {
2963                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2964                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2965                 },
2966         },
2967         {
2968                 .ident = "Sony Vaio",
2969                 .matches = {
2970                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2971                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2972                 },
2973         },
2974         { }
2975 };
2976
2977 static int __init sony_laptop_init(void)
2978 {
2979         int result;
2980
2981         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2982                 result = acpi_bus_register_driver(&sony_pic_driver);
2983                 if (result) {
2984                         printk(KERN_ERR DRV_PFX
2985                                         "Unable to register SPIC driver.");
2986                         goto out;
2987                 }
2988                 spic_drv_registered = 1;
2989         }
2990
2991         result = acpi_bus_register_driver(&sony_nc_driver);
2992         if (result) {
2993                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2994                 goto out_unregister_pic;
2995         }
2996
2997         return 0;
2998
2999 out_unregister_pic:
3000         if (spic_drv_registered)
3001                 acpi_bus_unregister_driver(&sony_pic_driver);
3002 out:
3003         return result;
3004 }
3005
3006 static void __exit sony_laptop_exit(void)
3007 {
3008         acpi_bus_unregister_driver(&sony_nc_driver);
3009         if (spic_drv_registered)
3010                 acpi_bus_unregister_driver(&sony_pic_driver);
3011 }
3012
3013 module_init(sony_laptop_init);
3014 module_exit(sony_laptop_exit);