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