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         SONY_RFKILL_MAX,
 132 };
 133
 134 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
 135 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
 136 static void sony_nc_rfkill_update(void);
 137
 138 /*********** Input Devices ***********/
 139
 140 #define SONY_LAPTOP_BUF_SIZE    128
 141 struct sony_laptop_input_s {
 142         atomic_t                users;
 143         struct input_dev        *jog_dev;
 144         struct input_dev        *key_dev;
 145         struct kfifo            *fifo;
 146         spinlock_t              fifo_lock;
 147         struct workqueue_struct *wq;
 148 };
 149
 150 static struct sony_laptop_input_s sony_laptop_input = {
 151         .users = ATOMIC_INIT(0),
 152 };
 153
 154 struct sony_laptop_keypress {
 155         struct input_dev *dev;
 156         int key;
 157 };
 158
 159 /* Correspondance table between sonypi events
 160  * and input layer indexes in the keymap
 161  */
 162 static int sony_laptop_input_index[] = {
 163         -1,     /*  0 no event */
 164         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 165         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 166         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 167         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 168         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 169         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 170          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 171          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 172          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 173          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 174          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 175          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 176          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 177          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 178          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 179          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 180         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 181         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 182         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 183         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 184         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 185         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 186         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 187         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 188         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 189         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 190         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 191         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 192         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 193         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 194         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 195         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 196         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 197         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 198         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 199         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 200         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 201         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 202         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 203         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 204         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 205         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 206         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 207         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 208         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 209         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 210         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 211         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 212         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 213         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 214         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 215         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 216         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 217         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 218         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 219         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 220         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 221         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 222         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 223         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 224         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 225         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 226         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 227         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 228         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 229         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 230         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 231         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 232         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 233         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 234         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 235 };
 236
 237 static int sony_laptop_input_keycode_map[] = {
 238         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 239         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 240         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 241         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 242         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 243         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 244         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 245         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 246         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 247         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 248         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 249         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 250         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 251         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 252         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 253         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 254         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 255         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 256         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 257         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 258         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 259         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 260         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 261         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 262         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 263         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 264         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 265         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 266         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 267         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 268         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 269         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 270         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 271         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 272         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 273         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 274         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 275         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 276         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 277         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 278         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 279         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 280         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 281         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 282         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 283         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 284         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 285         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 286         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 287         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 288         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 289         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 290         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 291         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 292         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 293         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 294         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 295         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 296 };
 297
 298 /* release buttons after a short delay if pressed */
 299 static void do_sony_laptop_release_key(struct work_struct *work)
 300 {
 301         struct sony_laptop_keypress kp;
 302
 303         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
 304                          sizeof(kp)) == sizeof(kp)) {
 305                 msleep(10);
 306                 input_report_key(kp.dev, kp.key, 0);
 307                 input_sync(kp.dev);
 308         }
 309 }
 310 static DECLARE_WORK(sony_laptop_release_key_work,
 311                 do_sony_laptop_release_key);
 312
 313 /* forward event to the input subsystem */
 314 static void sony_laptop_report_input_event(u8 event)
 315 {
 316         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 317         struct input_dev *key_dev = sony_laptop_input.key_dev;
 318         struct sony_laptop_keypress kp = { NULL };
 319
 320         if (event == SONYPI_EVENT_FNKEY_RELEASED) {
 321                 /* Nothing, not all VAIOs generate this event */
 322                 return;
 323         }
 324
 325         /* report events */
 326         switch (event) {
 327         /* jog_dev events */
 328         case SONYPI_EVENT_JOGDIAL_UP:
 329         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 330                 input_report_rel(jog_dev, REL_WHEEL, 1);
 331                 input_sync(jog_dev);
 332                 return;
 333
 334         case SONYPI_EVENT_JOGDIAL_DOWN:
 335         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 336                 input_report_rel(jog_dev, REL_WHEEL, -1);
 337                 input_sync(jog_dev);
 338                 return;
 339
 340         /* key_dev events */
 341         case SONYPI_EVENT_JOGDIAL_PRESSED:
 342                 kp.key = BTN_MIDDLE;
 343                 kp.dev = jog_dev;
 344                 break;
 345
 346         default:
 347                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 348                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 349                         break;
 350                 }
 351                 if (sony_laptop_input_index[event] != -1) {
 352                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 353                         if (kp.key != KEY_UNKNOWN)
 354                                 kp.dev = key_dev;
 355                 }
 356                 break;
 357         }
 358
 359         if (kp.dev) {
 360                 input_report_key(kp.dev, kp.key, 1);
 361                 /* we emit the scancode so we can always remap the key */
 362                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 363                 input_sync(kp.dev);
 364                 kfifo_put(sony_laptop_input.fifo,
 365                           (unsigned char *)&kp, sizeof(kp));
 366
 367                 if (!work_pending(&sony_laptop_release_key_work))
 368                         queue_work(sony_laptop_input.wq,
 369                                         &sony_laptop_release_key_work);
 370         } else
 371                 dprintk("unknown input event %.2x\n", event);
 372 }
 373
 374 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 375 {
 376         struct input_dev *jog_dev;
 377         struct input_dev *key_dev;
 378         int i;
 379         int error;
 380
 381         /* don't run again if already initialized */
 382         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 383                 return 0;
 384
 385         /* kfifo */
 386         spin_lock_init(&sony_laptop_input.fifo_lock);
 387         sony_laptop_input.fifo =
 388                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
 389                             &sony_laptop_input.fifo_lock);
 390         if (IS_ERR(sony_laptop_input.fifo)) {
 391                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 392                 error = PTR_ERR(sony_laptop_input.fifo);
 393                 goto err_dec_users;
 394         }
 395
 396         /* init workqueue */
 397         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
 398         if (!sony_laptop_input.wq) {
 399                 printk(KERN_ERR DRV_PFX
 400                                 "Unable to create workqueue.\n");
 401                 error = -ENXIO;
 402                 goto err_free_kfifo;
 403         }
 404
 405         /* input keys */
 406         key_dev = input_allocate_device();
 407         if (!key_dev) {
 408                 error = -ENOMEM;
 409                 goto err_destroy_wq;
 410         }
 411
 412         key_dev->name = "Sony Vaio Keys";
 413         key_dev->id.bustype = BUS_ISA;
 414         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 415         key_dev->dev.parent = &acpi_device->dev;
 416
 417         /* Initialize the Input Drivers: special keys */
 418         set_bit(EV_KEY, key_dev->evbit);
 419         set_bit(EV_MSC, key_dev->evbit);
 420         set_bit(MSC_SCAN, key_dev->mscbit);
 421         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 422         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 423         key_dev->keycode = &sony_laptop_input_keycode_map;
 424         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
 425                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
 426                         set_bit(sony_laptop_input_keycode_map[i],
 427                                 key_dev->keybit);
 428                 }
 429         }
 430
 431         error = input_register_device(key_dev);
 432         if (error)
 433                 goto err_free_keydev;
 434
 435         sony_laptop_input.key_dev = key_dev;
 436
 437         /* jogdial */
 438         jog_dev = input_allocate_device();
 439         if (!jog_dev) {
 440                 error = -ENOMEM;
 441                 goto err_unregister_keydev;
 442         }
 443
 444         jog_dev->name = "Sony Vaio Jogdial";
 445         jog_dev->id.bustype = BUS_ISA;
 446         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 447         key_dev->dev.parent = &acpi_device->dev;
 448
 449         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 450         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
 451         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
 452
 453         error = input_register_device(jog_dev);
 454         if (error)
 455                 goto err_free_jogdev;
 456
 457         sony_laptop_input.jog_dev = jog_dev;
 458
 459         return 0;
 460
 461 err_free_jogdev:
 462         input_free_device(jog_dev);
 463
 464 err_unregister_keydev:
 465         input_unregister_device(key_dev);
 466         /* to avoid kref underflow below at input_free_device */
 467         key_dev = NULL;
 468
 469 err_free_keydev:
 470         input_free_device(key_dev);
 471
 472 err_destroy_wq:
 473         destroy_workqueue(sony_laptop_input.wq);
 474
 475 err_free_kfifo:
 476         kfifo_free(sony_laptop_input.fifo);
 477
 478 err_dec_users:
 479         atomic_dec(&sony_laptop_input.users);
 480         return error;
 481 }
 482
 483 static void sony_laptop_remove_input(void)
 484 {
 485         /* cleanup only after the last user has gone */
 486         if (!atomic_dec_and_test(&sony_laptop_input.users))
 487                 return;
 488
 489         /* flush workqueue first */
 490         flush_workqueue(sony_laptop_input.wq);
 491
 492         /* destroy input devs */
 493         input_unregister_device(sony_laptop_input.key_dev);
 494         sony_laptop_input.key_dev = NULL;
 495
 496         if (sony_laptop_input.jog_dev) {
 497                 input_unregister_device(sony_laptop_input.jog_dev);
 498                 sony_laptop_input.jog_dev = NULL;
 499         }
 500
 501         destroy_workqueue(sony_laptop_input.wq);
 502         kfifo_free(sony_laptop_input.fifo);
 503 }
 504
 505 /*********** Platform Device ***********/
 506
 507 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 508 static struct platform_driver sony_pf_driver = {
 509         .driver = {
 510                    .name = "sony-laptop",
 511                    .owner = THIS_MODULE,
 512                    }
 513 };
 514 static struct platform_device *sony_pf_device;
 515
 516 static int sony_pf_add(void)
 517 {
 518         int ret = 0;
 519
 520         /* don't run again if already initialized */
 521         if (atomic_add_return(1, &sony_pf_users) > 1)
 522                 return 0;
 523
 524         ret = platform_driver_register(&sony_pf_driver);
 525         if (ret)
 526                 goto out;
 527
 528         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 529         if (!sony_pf_device) {
 530                 ret = -ENOMEM;
 531                 goto out_platform_registered;
 532         }
 533
 534         ret = platform_device_add(sony_pf_device);
 535         if (ret)
 536                 goto out_platform_alloced;
 537
 538         return 0;
 539
 540       out_platform_alloced:
 541         platform_device_put(sony_pf_device);
 542         sony_pf_device = NULL;
 543       out_platform_registered:
 544         platform_driver_unregister(&sony_pf_driver);
 545       out:
 546         atomic_dec(&sony_pf_users);
 547         return ret;
 548 }
 549
 550 static void sony_pf_remove(void)
 551 {
 552         /* deregister only after the last user has gone */
 553         if (!atomic_dec_and_test(&sony_pf_users))
 554                 return;
 555
 556         platform_device_del(sony_pf_device);
 557         platform_device_put(sony_pf_device);
 558         platform_driver_unregister(&sony_pf_driver);
 559 }
 560
 561 /*********** SNC (SNY5001) Device ***********/
 562
 563 /* the device uses 1-based values, while the backlight subsystem uses
 564    0-based values */
 565 #define SONY_MAX_BRIGHTNESS     8
 566
 567 #define SNC_VALIDATE_IN         0
 568 #define SNC_VALIDATE_OUT        1
 569
 570 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 571                               char *);
 572 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 573                                const char *, size_t);
 574 static int boolean_validate(const int, const int);
 575 static int brightness_default_validate(const int, const int);
 576
 577 struct sony_nc_value {
 578         char *name;             /* name of the entry */
 579         char **acpiget;         /* names of the ACPI get function */
 580         char **acpiset;         /* names of the ACPI set function */
 581         int (*validate)(const int, const int);  /* input/output validation */
 582         int value;              /* current setting */
 583         int valid;              /* Has ever been set */
 584         int debug;              /* active only in debug mode ? */
 585         struct device_attribute devattr;        /* sysfs atribute */
 586 };
 587
 588 #define SNC_HANDLE_NAMES(_name, _values...) \
 589         static char *snc_##_name[] = { _values, NULL }
 590
 591 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 592         { \
 593                 .name           = __stringify(_name), \
 594                 .acpiget        = _getters, \
 595                 .acpiset        = _setters, \
 596                 .validate       = _validate, \
 597                 .debug          = _debug, \
 598                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 599         }
 600
 601 #define SNC_HANDLE_NULL { .name = NULL }
 602
 603 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 604
 605 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 606 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 607
 608 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 609 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 610
 611 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 612 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 613
 614 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 615 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 616
 617 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 618
 619 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 620 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 621
 622 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 623 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 624
 625 SNC_HANDLE_NAMES(PID_get, "GPID");
 626
 627 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 628 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 629
 630 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 631 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 632
 633 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 634 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 635
 636 static struct sony_nc_value sony_nc_values[] = {
 637         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 638                         snc_brightness_def_set, brightness_default_validate, 0),
 639         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 640         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 641         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 642                         boolean_validate, 0),
 643         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 644                         boolean_validate, 1),
 645         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 646                         boolean_validate, 0),
 647         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 648                         boolean_validate, 0),
 649         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 650                         boolean_validate, 0),
 651         /* unknown methods */
 652         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 653         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 654         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 655         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 656         SNC_HANDLE_NULL
 657 };
 658
 659 static acpi_handle sony_nc_acpi_handle;
 660 static struct acpi_device *sony_nc_acpi_device = NULL;
 661
 662 /*
 663  * acpi_evaluate_object wrappers
 664  */
 665 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 666 {
 667         struct acpi_buffer output;
 668         union acpi_object out_obj;
 669         acpi_status status;
 670
 671         output.length = sizeof(out_obj);
 672         output.pointer = &out_obj;
 673
 674         status = acpi_evaluate_object(handle, name, NULL, &output);
 675         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 676                 *result = out_obj.integer.value;
 677                 return 0;
 678         }
 679
 680         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 681
 682         return -1;
 683 }
 684
 685 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 686                             int *result)
 687 {
 688         struct acpi_object_list params;
 689         union acpi_object in_obj;
 690         struct acpi_buffer output;
 691         union acpi_object out_obj;
 692         acpi_status status;
 693
 694         params.count = 1;
 695         params.pointer = &in_obj;
 696         in_obj.type = ACPI_TYPE_INTEGER;
 697         in_obj.integer.value = value;
 698
 699         output.length = sizeof(out_obj);
 700         output.pointer = &out_obj;
 701
 702         status = acpi_evaluate_object(handle, name, &params, &output);
 703         if (status == AE_OK) {
 704                 if (result != NULL) {
 705                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 706                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 707                                        "return type\n");
 708                                 return -1;
 709                         }
 710                         *result = out_obj.integer.value;
 711                 }
 712                 return 0;
 713         }
 714
 715         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 716
 717         return -1;
 718 }
 719
 720 static int sony_find_snc_handle(int handle)
 721 {
 722         int i;
 723         int result;
 724
 725         for (i = 0x20; i < 0x30; i++) {
 726                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 727                 if (result == handle)
 728                         return i-0x20;
 729         }
 730
 731         return -1;
 732 }
 733
 734 static int sony_call_snc_handle(int handle, int argument, int *result)
 735 {
 736         int offset = sony_find_snc_handle(handle);
 737
 738         if (offset < 0)
 739                 return -1;
 740
 741         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 742                                 result);
 743 }
 744
 745 /*
 746  * sony_nc_values input/output validate functions
 747  */
 748
 749 /* brightness_default_validate:
 750  *
 751  * manipulate input output values to keep consistency with the
 752  * backlight framework for which brightness values are 0-based.
 753  */
 754 static int brightness_default_validate(const int direction, const int value)
 755 {
 756         switch (direction) {
 757                 case SNC_VALIDATE_OUT:
 758                         return value - 1;
 759                 case SNC_VALIDATE_IN:
 760                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 761                                 return value + 1;
 762         }
 763         return -EINVAL;
 764 }
 765
 766 /* boolean_validate:
 767  *
 768  * on input validate boolean values 0/1, on output just pass the
 769  * received value.
 770  */
 771 static int boolean_validate(const int direction, const int value)
 772 {
 773         if (direction == SNC_VALIDATE_IN) {
 774                 if (value != 0 && value != 1)
 775                         return -EINVAL;
 776         }
 777         return value;
 778 }
 779
 780 /*
 781  * Sysfs show/store common to all sony_nc_values
 782  */
 783 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 784                               char *buffer)
 785 {
 786         int value;
 787         struct sony_nc_value *item =
 788             container_of(attr, struct sony_nc_value, devattr);
 789
 790         if (!*item->acpiget)
 791                 return -EIO;
 792
 793         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 794                 return -EIO;
 795
 796         if (item->validate)
 797                 value = item->validate(SNC_VALIDATE_OUT, value);
 798
 799         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 800 }
 801
 802 static ssize_t sony_nc_sysfs_store(struct device *dev,
 803                                struct device_attribute *attr,
 804                                const char *buffer, size_t count)
 805 {
 806         int value;
 807         struct sony_nc_value *item =
 808             container_of(attr, struct sony_nc_value, devattr);
 809
 810         if (!item->acpiset)
 811                 return -EIO;
 812
 813         if (count > 31)
 814                 return -EINVAL;
 815
 816         value = simple_strtoul(buffer, NULL, 10);
 817
 818         if (item->validate)
 819                 value = item->validate(SNC_VALIDATE_IN, value);
 820
 821         if (value < 0)
 822                 return value;
 823
 824         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 825                 return -EIO;
 826         item->value = value;
 827         item->valid = 1;
 828         return count;
 829 }
 830
 831
 832 /*
 833  * Backlight device
 834  */
 835 static int sony_backlight_update_status(struct backlight_device *bd)
 836 {
 837         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 838                                 bd->props.brightness + 1, NULL);
 839 }
 840
 841 static int sony_backlight_get_brightness(struct backlight_device *bd)
 842 {
 843         int value;
 844
 845         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 846                 return 0;
 847         /* brightness levels are 1-based, while backlight ones are 0-based */
 848         return value - 1;
 849 }
 850
 851 static struct backlight_device *sony_backlight_device;
 852 static struct backlight_ops sony_backlight_ops = {
 853         .update_status = sony_backlight_update_status,
 854         .get_brightness = sony_backlight_get_brightness,
 855 };
 856
 857 /*
 858  * New SNC-only Vaios event mapping to driver known keys
 859  */
 860 struct sony_nc_event {
 861         u8      data;
 862         u8      event;
 863 };
 864
 865 static struct sony_nc_event sony_100_events[] = {
 866         { 0x90, SONYPI_EVENT_PKEY_P1 },
 867         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 868         { 0x91, SONYPI_EVENT_PKEY_P2 },
 869         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 870         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 871         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 872         { 0x82, SONYPI_EVENT_FNKEY_F2 },
 873         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
 874         { 0x83, SONYPI_EVENT_FNKEY_F3 },
 875         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
 876         { 0x84, SONYPI_EVENT_FNKEY_F4 },
 877         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
 878         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 879         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 880         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 881         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 882         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 883         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 884         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 885         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 886         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 887         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 888         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 889         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 890         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 891         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 892         { 0, 0 },
 893 };
 894
 895 static struct sony_nc_event sony_127_events[] = {
 896         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 897         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 898         { 0x82, SONYPI_EVENT_PKEY_P1 },
 899         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 900         { 0x83, SONYPI_EVENT_PKEY_P2 },
 901         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 902         { 0x84, SONYPI_EVENT_PKEY_P3 },
 903         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 904         { 0x85, SONYPI_EVENT_PKEY_P4 },
 905         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 906         { 0x86, SONYPI_EVENT_PKEY_P5 },
 907         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 908         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 909         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 910         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 911         { 0, 0 },
 912 };
 913
 914 /*
 915  * ACPI callbacks
 916  */
 917 static void sony_nc_notify(struct acpi_device *device, u32 event)
 918 {
 919         u32 ev = event;
 920
 921         if (ev >= 0x90) {
 922                 /* New-style event */
 923                 int result;
 924                 int key_handle = 0;
 925                 ev -= 0x90;
 926
 927                 if (sony_find_snc_handle(0x100) == ev)
 928                         key_handle = 0x100;
 929                 if (sony_find_snc_handle(0x127) == ev)
 930                         key_handle = 0x127;
 931
 932                 if (key_handle) {
 933                         struct sony_nc_event *key_event;
 934
 935                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
 936                                 dprintk("sony_nc_notify, unable to decode"
 937                                         " event 0x%.2x 0x%.2x\n", key_handle,
 938                                         ev);
 939                                 /* restore the original event */
 940                                 ev = event;
 941                         } else {
 942                                 ev = result & 0xFF;
 943
 944                                 if (key_handle == 0x100)
 945                                         key_event = sony_100_events;
 946                                 else
 947                                         key_event = sony_127_events;
 948
 949                                 for (; key_event->data; key_event++) {
 950                                         if (key_event->data == ev) {
 951                                                 ev = key_event->event;
 952                                                 break;
 953                                         }
 954                                 }
 955
 956                                 if (!key_event->data)
 957                                         printk(KERN_INFO DRV_PFX
 958                                                         "Unknown event: 0x%x 0x%x\n",
 959                                                         key_handle,
 960                                                         ev);
 961                                 else
 962                                         sony_laptop_report_input_event(ev);
 963                         }
 964                 } else if (sony_find_snc_handle(0x124) == ev) {
 965                         sony_nc_rfkill_update();
 966                         return;
 967                 }
 968         } else
 969                 sony_laptop_report_input_event(ev);
 970
 971         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
 972         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 973 }
 974
 975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 976                                       void *context, void **return_value)
 977 {
 978         struct acpi_device_info *info;
 979         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 980
 981         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
 982                 info = buffer.pointer;
 983
 984                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 985                         (char *)&info->name, info->param_count);
 986
 987                 kfree(buffer.pointer);
 988         }
 989
 990         return AE_OK;
 991 }
 992
 993 /*
 994  * ACPI device
 995  */
 996 static int sony_nc_function_setup(struct acpi_device *device)
 997 {
 998         int result;
 999
1000         /* Enable all events */
1001         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1002
1003         /* Setup hotkeys */
1004         sony_call_snc_handle(0x0100, 0, &result);
1005         sony_call_snc_handle(0x0101, 0, &result);
1006         sony_call_snc_handle(0x0102, 0x100, &result);
1007
1008         return 0;
1009 }
1010
1011 static int sony_nc_resume(struct acpi_device *device)
1012 {
1013         struct sony_nc_value *item;
1014         acpi_handle handle;
1015
1016         for (item = sony_nc_values; item->name; item++) {
1017                 int ret;
1018
1019                 if (!item->valid)
1020                         continue;
1021                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1022                                        item->value, NULL);
1023                 if (ret < 0) {
1024                         printk("%s: %d\n", __func__, ret);
1025                         break;
1026                 }
1027         }
1028
1029         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1030                                          &handle))) {
1031                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1032                         dprintk("ECON Method failed\n");
1033         }
1034
1035         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1036                                          &handle))) {
1037                 dprintk("Doing SNC setup\n");
1038                 sony_nc_function_setup(device);
1039         }
1040
1041         /* set the last requested brightness level */
1042         if (sony_backlight_device &&
1043                         !sony_backlight_update_status(sony_backlight_device))
1044                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1045
1046         return 0;
1047 }
1048
1049 static void sony_nc_rfkill_cleanup(void)
1050 {
1051         int i;
1052
1053         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1054                 if (sony_rfkill_devices[i])
1055                         rfkill_unregister(sony_rfkill_devices[i]);
1056         }
1057 }
1058
1059 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1060 {
1061         int result;
1062         int argument = sony_rfkill_address[(long) data];
1063
1064         sony_call_snc_handle(0x124, 0x200, &result);
1065         if (result & 0x1) {
1066                 sony_call_snc_handle(0x124, argument, &result);
1067                 if (result & 0xf)
1068                         *state = RFKILL_STATE_UNBLOCKED;
1069                 else
1070                         *state = RFKILL_STATE_SOFT_BLOCKED;
1071         } else {
1072                 *state = RFKILL_STATE_HARD_BLOCKED;
1073         }
1074
1075         return 0;
1076 }
1077
1078 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1079 {
1080         int result;
1081         int argument = sony_rfkill_address[(long) data] + 0x100;
1082
1083         if (state == RFKILL_STATE_UNBLOCKED)
1084                 argument |= 0xff0000;
1085
1086         return sony_call_snc_handle(0x124, argument, &result);
1087 }
1088
1089 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1090 {
1091         int err = 0;
1092         struct rfkill *sony_wifi_rfkill;
1093
1094         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1095         if (!sony_wifi_rfkill)
1096                 return -1;
1097         sony_wifi_rfkill->name = "sony-wifi";
1098         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1099         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1100         sony_wifi_rfkill->user_claim_unsupported = 1;
1101         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1102         err = rfkill_register(sony_wifi_rfkill);
1103         if (err)
1104                 rfkill_free(sony_wifi_rfkill);
1105         else
1106                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1107         return err;
1108 }
1109
1110 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1111 {
1112         int err = 0;
1113         struct rfkill *sony_bluetooth_rfkill;
1114
1115         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1116                                                 RFKILL_TYPE_BLUETOOTH);
1117         if (!sony_bluetooth_rfkill)
1118                 return -1;
1119         sony_bluetooth_rfkill->name = "sony-bluetooth";
1120         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1121         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1122         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1123         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1124         err = rfkill_register(sony_bluetooth_rfkill);
1125         if (err)
1126                 rfkill_free(sony_bluetooth_rfkill);
1127         else
1128                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1129         return err;
1130 }
1131
1132 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1133 {
1134         int err = 0;
1135         struct rfkill *sony_wwan_rfkill;
1136
1137         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1138         if (!sony_wwan_rfkill)
1139                 return -1;
1140         sony_wwan_rfkill->name = "sony-wwan";
1141         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1142         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1143         sony_wwan_rfkill->user_claim_unsupported = 1;
1144         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1145         err = rfkill_register(sony_wwan_rfkill);
1146         if (err)
1147                 rfkill_free(sony_wwan_rfkill);
1148         else
1149                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1150         return err;
1151 }
1152
1153 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1154 {
1155         int err = 0;
1156         struct rfkill *sony_wimax_rfkill;
1157
1158         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1159         if (!sony_wimax_rfkill)
1160                 return -1;
1161         sony_wimax_rfkill->name = "sony-wimax";
1162         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1163         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1164         sony_wimax_rfkill->user_claim_unsupported = 1;
1165         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1166         err = rfkill_register(sony_wimax_rfkill);
1167         if (err)
1168                 rfkill_free(sony_wimax_rfkill);
1169         else
1170                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1171         return err;
1172 }
1173
1174 static void sony_nc_rfkill_update()
1175 {
1176         int i;
1177         enum rfkill_state state;
1178
1179         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1180                 if (sony_rfkill_devices[i]) {
1181                         sony_rfkill_devices[i]->
1182                                 get_state(sony_rfkill_devices[i]->data,
1183                                           &state);
1184                         rfkill_force_state(sony_rfkill_devices[i], state);
1185                 }
1186         }
1187 }
1188
1189 static int sony_nc_rfkill_setup(struct acpi_device *device)
1190 {
1191         int result, ret;
1192
1193         if (sony_find_snc_handle(0x124) == -1)
1194                 return -1;
1195
1196         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1197         if (ret) {
1198                 printk(KERN_INFO DRV_PFX
1199                        "Unable to enumerate rfkill devices: %x\n", ret);
1200                 return ret;
1201         }
1202
1203         if (result & 0x1)
1204                 sony_nc_setup_wifi_rfkill(device);
1205         if (result & 0x2)
1206                 sony_nc_setup_bluetooth_rfkill(device);
1207         if (result & 0x1c)
1208                 sony_nc_setup_wwan_rfkill(device);
1209         if (result & 0x20)
1210                 sony_nc_setup_wimax_rfkill(device);
1211
1212         return 0;
1213 }
1214
1215 static int sony_nc_add(struct acpi_device *device)
1216 {
1217         acpi_status status;
1218         int result = 0;
1219         acpi_handle handle;
1220         struct sony_nc_value *item;
1221
1222         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1223                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1224
1225         sony_nc_acpi_device = device;
1226         strcpy(acpi_device_class(device), "sony/hotkey");
1227
1228         sony_nc_acpi_handle = device->handle;
1229
1230         /* read device status */
1231         result = acpi_bus_get_status(device);
1232         /* bail IFF the above call was successful and the device is not present */
1233         if (!result && !device->status.present) {
1234                 dprintk("Device not present\n");
1235                 result = -ENODEV;
1236                 goto outwalk;
1237         }
1238
1239         if (debug) {
1240                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1241                                              1, sony_walk_callback, NULL, NULL);
1242                 if (ACPI_FAILURE(status)) {
1243                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1244                         result = -ENODEV;
1245                         goto outwalk;
1246                 }
1247         }
1248
1249         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1250          * should be respected as we already checked for the device presence above */
1251         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1252                 dprintk("Invoking _INI\n");
1253                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1254                                                 NULL, NULL)))
1255                         dprintk("_INI Method failed\n");
1256         }
1257
1258         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1259                                          &handle))) {
1260                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1261                         dprintk("ECON Method failed\n");
1262         }
1263
1264         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1265                                          &handle))) {
1266                 dprintk("Doing SNC setup\n");
1267                 sony_nc_function_setup(device);
1268                 sony_nc_rfkill_setup(device);
1269         }
1270
1271         /* setup input devices and helper fifo */
1272         result = sony_laptop_setup_input(device);
1273         if (result) {
1274                 printk(KERN_ERR DRV_PFX
1275                                 "Unable to create input devices.\n");
1276                 goto outwalk;
1277         }
1278
1279         if (acpi_video_backlight_support()) {
1280                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1281                        "controlled by ACPI video driver\n");
1282         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1283                                                 &handle))) {
1284                 sony_backlight_device = backlight_device_register("sony", NULL,
1285                                                                   NULL,
1286                                                                   &sony_backlight_ops);
1287
1288                 if (IS_ERR(sony_backlight_device)) {
1289                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1290                         sony_backlight_device = NULL;
1291                 } else {
1292                         sony_backlight_device->props.brightness =
1293                             sony_backlight_get_brightness
1294                             (sony_backlight_device);
1295                         sony_backlight_device->props.max_brightness =
1296                             SONY_MAX_BRIGHTNESS - 1;
1297                 }
1298
1299         }
1300
1301         result = sony_pf_add();
1302         if (result)
1303                 goto outbacklight;
1304
1305         /* create sony_pf sysfs attributes related to the SNC device */
1306         for (item = sony_nc_values; item->name; ++item) {
1307
1308                 if (!debug && item->debug)
1309                         continue;
1310
1311                 /* find the available acpiget as described in the DSDT */
1312                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1313                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1314                                                          *item->acpiget,
1315                                                          &handle))) {
1316                                 dprintk("Found %s getter: %s\n",
1317                                                 item->name, *item->acpiget);
1318                                 item->devattr.attr.mode |= S_IRUGO;
1319                                 break;
1320                         }
1321                 }
1322
1323                 /* find the available acpiset as described in the DSDT */
1324                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1325                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1326                                                          *item->acpiset,
1327                                                          &handle))) {
1328                                 dprintk("Found %s setter: %s\n",
1329                                                 item->name, *item->acpiset);
1330                                 item->devattr.attr.mode |= S_IWUSR;
1331                                 break;
1332                         }
1333                 }
1334
1335                 if (item->devattr.attr.mode != 0) {
1336                         result =
1337                             device_create_file(&sony_pf_device->dev,
1338                                                &item->devattr);
1339                         if (result)
1340                                 goto out_sysfs;
1341                 }
1342         }
1343
1344         return 0;
1345
1346       out_sysfs:
1347         for (item = sony_nc_values; item->name; ++item) {
1348                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1349         }
1350         sony_pf_remove();
1351
1352       outbacklight:
1353         if (sony_backlight_device)
1354                 backlight_device_unregister(sony_backlight_device);
1355
1356         sony_laptop_remove_input();
1357
1358       outwalk:
1359         sony_nc_rfkill_cleanup();
1360         return result;
1361 }
1362
1363 static int sony_nc_remove(struct acpi_device *device, int type)
1364 {
1365         struct sony_nc_value *item;
1366
1367         if (sony_backlight_device)
1368                 backlight_device_unregister(sony_backlight_device);
1369
1370         sony_nc_acpi_device = NULL;
1371
1372         for (item = sony_nc_values; item->name; ++item) {
1373                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1374         }
1375
1376         sony_pf_remove();
1377         sony_laptop_remove_input();
1378         sony_nc_rfkill_cleanup();
1379         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1380
1381         return 0;
1382 }
1383
1384 static const struct acpi_device_id sony_device_ids[] = {
1385         {SONY_NC_HID, 0},
1386         {SONY_PIC_HID, 0},
1387         {"", 0},
1388 };
1389 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1390
1391 static const struct acpi_device_id sony_nc_device_ids[] = {
1392         {SONY_NC_HID, 0},
1393         {"", 0},
1394 };
1395
1396 static struct acpi_driver sony_nc_driver = {
1397         .name = SONY_NC_DRIVER_NAME,
1398         .class = SONY_NC_CLASS,
1399         .ids = sony_nc_device_ids,
1400         .owner = THIS_MODULE,
1401         .ops = {
1402                 .add = sony_nc_add,
1403                 .remove = sony_nc_remove,
1404                 .resume = sony_nc_resume,
1405                 .notify = sony_nc_notify,
1406                 },
1407 };
1408
1409 /*********** SPIC (SNY6001) Device ***********/
1410
1411 #define SONYPI_DEVICE_TYPE1     0x00000001
1412 #define SONYPI_DEVICE_TYPE2     0x00000002
1413 #define SONYPI_DEVICE_TYPE3     0x00000004
1414 #define SONYPI_DEVICE_TYPE4     0x00000008
1415
1416 #define SONYPI_TYPE1_OFFSET     0x04
1417 #define SONYPI_TYPE2_OFFSET     0x12
1418 #define SONYPI_TYPE3_OFFSET     0x12
1419
1420 struct sony_pic_ioport {
1421         struct acpi_resource_io io1;
1422         struct acpi_resource_io io2;
1423         struct list_head        list;
1424 };
1425
1426 struct sony_pic_irq {
1427         struct acpi_resource_irq        irq;
1428         struct list_head                list;
1429 };
1430
1431 struct sonypi_eventtypes {
1432         u8                      data;
1433         unsigned long           mask;
1434         struct sonypi_event     *events;
1435 };
1436
1437 struct device_ctrl {
1438         int                             model;
1439         int                             (*handle_irq)(const u8, const u8);
1440         u16                             evport_offset;
1441         u8                              has_camera;
1442         u8                              has_bluetooth;
1443         u8                              has_wwan;
1444         struct sonypi_eventtypes        *event_types;
1445 };
1446
1447 struct sony_pic_dev {
1448         struct device_ctrl      *control;
1449         struct acpi_device      *acpi_dev;
1450         struct sony_pic_irq     *cur_irq;
1451         struct sony_pic_ioport  *cur_ioport;
1452         struct list_head        interrupts;
1453         struct list_head        ioports;
1454         struct mutex            lock;
1455         u8                      camera_power;
1456         u8                      bluetooth_power;
1457         u8                      wwan_power;
1458 };
1459
1460 static struct sony_pic_dev spic_dev = {
1461         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1462         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1463 };
1464
1465 /* Event masks */
1466 #define SONYPI_JOGGER_MASK                      0x00000001
1467 #define SONYPI_CAPTURE_MASK                     0x00000002
1468 #define SONYPI_FNKEY_MASK                       0x00000004
1469 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1470 #define SONYPI_PKEY_MASK                        0x00000010
1471 #define SONYPI_BACK_MASK                        0x00000020
1472 #define SONYPI_HELP_MASK                        0x00000040
1473 #define SONYPI_LID_MASK                         0x00000080
1474 #define SONYPI_ZOOM_MASK                        0x00000100
1475 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1476 #define SONYPI_MEYE_MASK                        0x00000400
1477 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1478 #define SONYPI_BATTERY_MASK                     0x00001000
1479 #define SONYPI_WIRELESS_MASK                    0x00002000
1480
1481 struct sonypi_event {
1482         u8      data;
1483         u8      event;
1484 };
1485
1486 /* The set of possible button release events */
1487 static struct sonypi_event sonypi_releaseev[] = {
1488         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1489         { 0, 0 }
1490 };
1491
1492 /* The set of possible jogger events  */
1493 static struct sonypi_event sonypi_joggerev[] = {
1494         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1495         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1496         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1497         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1498         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1499         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1500         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1501         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1502         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1503         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1504         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1505         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1506         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1507         { 0, 0 }
1508 };
1509
1510 /* The set of possible capture button events */
1511 static struct sonypi_event sonypi_captureev[] = {
1512         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1513         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1514         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1515         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1516         { 0, 0 }
1517 };
1518
1519 /* The set of possible fnkeys events */
1520 static struct sonypi_event sonypi_fnkeyev[] = {
1521         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1522         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1523         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1524         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1525         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1526         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1527         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1528         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1529         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1530         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1531         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1532         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1533         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1534         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1535         { 0x21, SONYPI_EVENT_FNKEY_1 },
1536         { 0x22, SONYPI_EVENT_FNKEY_2 },
1537         { 0x31, SONYPI_EVENT_FNKEY_D },
1538         { 0x32, SONYPI_EVENT_FNKEY_E },
1539         { 0x33, SONYPI_EVENT_FNKEY_F },
1540         { 0x34, SONYPI_EVENT_FNKEY_S },
1541         { 0x35, SONYPI_EVENT_FNKEY_B },
1542         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1543         { 0, 0 }
1544 };
1545
1546 /* The set of possible program key events */
1547 static struct sonypi_event sonypi_pkeyev[] = {
1548         { 0x01, SONYPI_EVENT_PKEY_P1 },
1549         { 0x02, SONYPI_EVENT_PKEY_P2 },
1550         { 0x04, SONYPI_EVENT_PKEY_P3 },
1551         { 0x20, SONYPI_EVENT_PKEY_P1 },
1552         { 0, 0 }
1553 };
1554
1555 /* The set of possible bluetooth events */
1556 static struct sonypi_event sonypi_blueev[] = {
1557         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1558         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1559         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1560         { 0, 0 }
1561 };
1562
1563 /* The set of possible wireless events */
1564 static struct sonypi_event sonypi_wlessev[] = {
1565         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1566         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1567         { 0, 0 }
1568 };
1569
1570 /* The set of possible back button events */
1571 static struct sonypi_event sonypi_backev[] = {
1572         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1573         { 0, 0 }
1574 };
1575
1576 /* The set of possible help button events */
1577 static struct sonypi_event sonypi_helpev[] = {
1578         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1579         { 0, 0 }
1580 };
1581
1582
1583 /* The set of possible lid events */
1584 static struct sonypi_event sonypi_lidev[] = {
1585         { 0x51, SONYPI_EVENT_LID_CLOSED },
1586         { 0x50, SONYPI_EVENT_LID_OPENED },
1587         { 0, 0 }
1588 };
1589
1590 /* The set of possible zoom events */
1591 static struct sonypi_event sonypi_zoomev[] = {
1592         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1593         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1594         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1595         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1596         { 0, 0 }
1597 };
1598
1599 /* The set of possible thumbphrase events */
1600 static struct sonypi_event sonypi_thumbphraseev[] = {
1601         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1602         { 0, 0 }
1603 };
1604
1605 /* The set of possible motioneye camera events */
1606 static struct sonypi_event sonypi_meyeev[] = {
1607         { 0x00, SONYPI_EVENT_MEYE_FACE },
1608         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1609         { 0, 0 }
1610 };
1611
1612 /* The set of possible memorystick events */
1613 static struct sonypi_event sonypi_memorystickev[] = {
1614         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1615         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1616         { 0, 0 }
1617 };
1618
1619 /* The set of possible battery events */
1620 static struct sonypi_event sonypi_batteryev[] = {
1621         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1622         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1623         { 0, 0 }
1624 };
1625
1626 /* The set of possible volume events */
1627 static struct sonypi_event sonypi_volumeev[] = {
1628         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1629         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1630         { 0, 0 }
1631 };
1632
1633 /* The set of possible brightness events */
1634 static struct sonypi_event sonypi_brightnessev[] = {
1635         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1636         { 0, 0 }
1637 };
1638
1639 static struct sonypi_eventtypes type1_events[] = {
1640         { 0, 0xffffffff, sonypi_releaseev },
1641         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1642         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1643         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1644         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1645         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1646         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1647         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1648         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1649         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1650         { 0 },
1651 };
1652 static struct sonypi_eventtypes type2_events[] = {
1653         { 0, 0xffffffff, sonypi_releaseev },
1654         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1655         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1656         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1657         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1658         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1659         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1660         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1661         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1662         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1663         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1664         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1665         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1666         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1667         { 0 },
1668 };
1669 static struct sonypi_eventtypes type3_events[] = {
1670         { 0, 0xffffffff, sonypi_releaseev },
1671         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1672         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1673         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1674         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1675         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1676         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1677         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1678         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1679         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1680         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1681         { 0 },
1682 };
1683
1684 /* low level spic calls */
1685 #define ITERATIONS_LONG         10000
1686 #define ITERATIONS_SHORT        10
1687 #define wait_on_command(command, iterations) {                          \
1688         unsigned int n = iterations;                                    \
1689         while (--n && (command))                                        \
1690                 udelay(1);                                              \
1691         if (!n)                                                         \
1692                 dprintk("command failed at %s : %s (line %d)\n",        \
1693                                 __FILE__, __func__, __LINE__);  \
1694 }
1695
1696 static u8 sony_pic_call1(u8 dev)
1697 {
1698         u8 v1, v2;
1699
1700         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1701                         ITERATIONS_LONG);
1702         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1703         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1704         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1705         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1706         return v2;
1707 }
1708
1709 static u8 sony_pic_call2(u8 dev, u8 fn)
1710 {
1711         u8 v1;
1712
1713         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1714                         ITERATIONS_LONG);
1715         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1716         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1717                         ITERATIONS_LONG);
1718         outb(fn, spic_dev.cur_ioport->io1.minimum);
1719         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1720         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1721         return v1;
1722 }
1723
1724 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1725 {
1726         u8 v1;
1727
1728         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1729         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1730         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1731         outb(fn, spic_dev.cur_ioport->io1.minimum);
1732         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1733         outb(v, spic_dev.cur_ioport->io1.minimum);
1734         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1735         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1736                         dev, fn, v, v1);
1737         return v1;
1738 }
1739
1740 /*
1741  * minidrivers for SPIC models
1742  */
1743 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1744 {
1745         /*
1746          * 0x31 could mean we have to take some extra action and wait for
1747          * the next irq for some Type3 models, it will generate a new
1748          * irq and we can read new data from the device:
1749          *  - 0x5c and 0x5f requires 0xA0
1750          *  - 0x61 requires 0xB3
1751          */
1752         if (data_mask == 0x31) {
1753                 if (ev == 0x5c || ev == 0x5f)
1754                         sony_pic_call1(0xA0);
1755                 else if (ev == 0x61)
1756                         sony_pic_call1(0xB3);
1757                 return 0;
1758         }
1759         return 1;
1760 }
1761
1762 static struct device_ctrl spic_types[] = {
1763         {
1764                 .model = SONYPI_DEVICE_TYPE1,
1765                 .handle_irq = NULL,
1766                 .evport_offset = SONYPI_TYPE1_OFFSET,
1767                 .event_types = type1_events,
1768         },
1769         {
1770                 .model = SONYPI_DEVICE_TYPE2,
1771                 .handle_irq = NULL,
1772                 .evport_offset = SONYPI_TYPE2_OFFSET,
1773                 .event_types = type2_events,
1774         },
1775         {
1776                 .model = SONYPI_DEVICE_TYPE3,
1777                 .handle_irq = type3_handle_irq,
1778                 .evport_offset = SONYPI_TYPE3_OFFSET,
1779                 .event_types = type3_events,
1780         },
1781 };
1782
1783 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1784 {
1785         struct pci_dev *pcidev;
1786
1787         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1788                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1789         if (pcidev) {
1790                 dev->control = &spic_types[0];
1791                 goto out;
1792         }
1793
1794         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1795                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1796         if (pcidev) {
1797                 dev->control = &spic_types[2];
1798                 goto out;
1799         }
1800
1801         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1802                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1803         if (pcidev) {
1804                 dev->control = &spic_types[2];
1805                 goto out;
1806         }
1807
1808         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1809                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1810         if (pcidev) {
1811                 dev->control = &spic_types[2];
1812                 goto out;
1813         }
1814
1815         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1816                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1817         if (pcidev) {
1818                 dev->control = &spic_types[2];
1819                 goto out;
1820         }
1821
1822         /* default */
1823         dev->control = &spic_types[1];
1824
1825 out:
1826         if (pcidev)
1827                 pci_dev_put(pcidev);
1828
1829         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1830                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1831                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1832 }
1833
1834 /* camera tests and poweron/poweroff */
1835 #define SONYPI_CAMERA_PICTURE           5
1836 #define SONYPI_CAMERA_CONTROL           0x10
1837
1838 #define SONYPI_CAMERA_BRIGHTNESS                0
1839 #define SONYPI_CAMERA_CONTRAST                  1
1840 #define SONYPI_CAMERA_HUE                       2
1841 #define SONYPI_CAMERA_COLOR                     3
1842 #define SONYPI_CAMERA_SHARPNESS                 4
1843
1844 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1845 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1846 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1847 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1848
1849 /* the rest don't need a loop until not 0xff */
1850 #define SONYPI_CAMERA_AGC                       6
1851 #define SONYPI_CAMERA_AGC_MASK                  0x30
1852 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1853
1854 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1855 #define SONYPI_CAMERA_CONTROL                   0x10
1856
1857 #define SONYPI_CAMERA_STATUS                    7
1858 #define SONYPI_CAMERA_STATUS_READY              0x2
1859 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1860
1861 #define SONYPI_DIRECTION_BACKWARDS              0x4
1862
1863 #define SONYPI_CAMERA_REVISION                  8
1864 #define SONYPI_CAMERA_ROMVERSION                9
1865
1866 static int __sony_pic_camera_ready(void)
1867 {
1868         u8 v;
1869
1870         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1871         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1872 }
1873
1874 static int __sony_pic_camera_off(void)
1875 {
1876         if (!camera) {
1877                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1878                 return -ENODEV;
1879         }
1880
1881         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1882                                 SONYPI_CAMERA_MUTE_MASK),
1883                         ITERATIONS_SHORT);
1884
1885         if (spic_dev.camera_power) {
1886                 sony_pic_call2(0x91, 0);
1887                 spic_dev.camera_power = 0;
1888         }
1889         return 0;
1890 }
1891
1892 static int __sony_pic_camera_on(void)
1893 {
1894         int i, j, x;
1895
1896         if (!camera) {
1897                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1898                 return -ENODEV;
1899         }
1900
1901         if (spic_dev.camera_power)
1902                 return 0;
1903
1904         for (j = 5; j > 0; j--) {
1905
1906                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1907                         msleep(10);
1908                 sony_pic_call1(0x93);
1909
1910                 for (i = 400; i > 0; i--) {
1911                         if (__sony_pic_camera_ready())
1912                                 break;
1913                         msleep(10);
1914                 }
1915                 if (i)
1916                         break;
1917         }
1918
1919         if (j == 0) {
1920                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1921                 return -ENODEV;
1922         }
1923
1924         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1925                                 0x5a),
1926                         ITERATIONS_SHORT);
1927
1928         spic_dev.camera_power = 1;
1929         return 0;
1930 }
1931
1932 /* External camera command (exported to the motion eye v4l driver) */
1933 int sony_pic_camera_command(int command, u8 value)
1934 {
1935         if (!camera)
1936                 return -EIO;
1937
1938         mutex_lock(&spic_dev.lock);
1939
1940         switch (command) {
1941         case SONY_PIC_COMMAND_SETCAMERA:
1942                 if (value)
1943                         __sony_pic_camera_on();
1944                 else
1945                         __sony_pic_camera_off();
1946                 break;
1947         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1948                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1949                                 ITERATIONS_SHORT);
1950                 break;
1951         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1952                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1953                                 ITERATIONS_SHORT);
1954                 break;
1955         case SONY_PIC_COMMAND_SETCAMERAHUE:
1956                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1957                                 ITERATIONS_SHORT);
1958                 break;
1959         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1960                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1961                                 ITERATIONS_SHORT);
1962                 break;
1963         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1964                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1965                                 ITERATIONS_SHORT);
1966                 break;
1967         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1968                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1969                                 ITERATIONS_SHORT);
1970                 break;
1971         case SONY_PIC_COMMAND_SETCAMERAAGC:
1972                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1973                                 ITERATIONS_SHORT);
1974                 break;
1975         default:
1976                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1977                        command);
1978                 break;
1979         }
1980         mutex_unlock(&spic_dev.lock);
1981         return 0;
1982 }
1983 EXPORT_SYMBOL(sony_pic_camera_command);
1984
1985 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1986 static void __sony_pic_set_wwanpower(u8 state)
1987 {
1988         state = !!state;
1989         if (spic_dev.wwan_power == state)
1990                 return;
1991         sony_pic_call2(0xB0, state);
1992         sony_pic_call1(0x82);
1993         spic_dev.wwan_power = state;
1994 }
1995
1996 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1997                 struct device_attribute *attr,
1998                 const char *buffer, size_t count)
1999 {
2000         unsigned long value;
2001         if (count > 31)
2002                 return -EINVAL;
2003
2004         value = simple_strtoul(buffer, NULL, 10);
2005         mutex_lock(&spic_dev.lock);
2006         __sony_pic_set_wwanpower(value);
2007         mutex_unlock(&spic_dev.lock);
2008
2009         return count;
2010 }
2011
2012 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2013                 struct device_attribute *attr, char *buffer)
2014 {
2015         ssize_t count;
2016         mutex_lock(&spic_dev.lock);
2017         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2018         mutex_unlock(&spic_dev.lock);
2019         return count;
2020 }
2021
2022 /* bluetooth subsystem power state */
2023 static void __sony_pic_set_bluetoothpower(u8 state)
2024 {
2025         state = !!state;
2026         if (spic_dev.bluetooth_power == state)
2027                 return;
2028         sony_pic_call2(0x96, state);
2029         sony_pic_call1(0x82);
2030         spic_dev.bluetooth_power = state;
2031 }
2032
2033 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2034                 struct device_attribute *attr,
2035                 const char *buffer, size_t count)
2036 {
2037         unsigned long value;
2038         if (count > 31)
2039                 return -EINVAL;
2040
2041         value = simple_strtoul(buffer, NULL, 10);
2042         mutex_lock(&spic_dev.lock);
2043         __sony_pic_set_bluetoothpower(value);
2044         mutex_unlock(&spic_dev.lock);
2045
2046         return count;
2047 }
2048
2049 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2050                 struct device_attribute *attr, char *buffer)
2051 {
2052         ssize_t count = 0;
2053         mutex_lock(&spic_dev.lock);
2054         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2055         mutex_unlock(&spic_dev.lock);
2056         return count;
2057 }
2058
2059 /* fan speed */
2060 /* FAN0 information (reverse engineered from ACPI tables) */
2061 #define SONY_PIC_FAN0_STATUS    0x93
2062 static int sony_pic_set_fanspeed(unsigned long value)
2063 {
2064         return ec_write(SONY_PIC_FAN0_STATUS, value);
2065 }
2066
2067 static int sony_pic_get_fanspeed(u8 *value)
2068 {
2069         return ec_read(SONY_PIC_FAN0_STATUS, value);
2070 }
2071
2072 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2073                 struct device_attribute *attr,
2074                 const char *buffer, size_t count)
2075 {
2076         unsigned long value;
2077         if (count > 31)
2078                 return -EINVAL;
2079
2080         value = simple_strtoul(buffer, NULL, 10);
2081         if (sony_pic_set_fanspeed(value))
2082                 return -EIO;
2083
2084         return count;
2085 }
2086
2087 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2088                 struct device_attribute *attr, char *buffer)
2089 {
2090         u8 value = 0;
2091         if (sony_pic_get_fanspeed(&value))
2092                 return -EIO;
2093
2094         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2095 }
2096
2097 #define SPIC_ATTR(_name, _mode)                                 \
2098 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2099                 _mode, sony_pic_## _name ##_show,               \
2100                 sony_pic_## _name ##_store)
2101
2102 static SPIC_ATTR(bluetoothpower, 0644);
2103 static SPIC_ATTR(wwanpower, 0644);
2104 static SPIC_ATTR(fanspeed, 0644);
2105
2106 static struct attribute *spic_attributes[] = {
2107         &spic_attr_bluetoothpower.attr,
2108         &spic_attr_wwanpower.attr,
2109         &spic_attr_fanspeed.attr,
2110         NULL
2111 };
2112
2113 static struct attribute_group spic_attribute_group = {
2114         .attrs = spic_attributes
2115 };
2116
2117 /******** SONYPI compatibility **********/
2118 #ifdef CONFIG_SONYPI_COMPAT
2119
2120 /* battery / brightness / temperature  addresses */
2121 #define SONYPI_BAT_FLAGS        0x81
2122 #define SONYPI_LCD_LIGHT        0x96
2123 #define SONYPI_BAT1_PCTRM       0xa0
2124 #define SONYPI_BAT1_LEFT        0xa2
2125 #define SONYPI_BAT1_MAXRT       0xa4
2126 #define SONYPI_BAT2_PCTRM       0xa8
2127 #define SONYPI_BAT2_LEFT        0xaa
2128 #define SONYPI_BAT2_MAXRT       0xac
2129 #define SONYPI_BAT1_MAXTK       0xb0
2130 #define SONYPI_BAT1_FULL        0xb2
2131 #define SONYPI_BAT2_MAXTK       0xb8
2132 #define SONYPI_BAT2_FULL        0xba
2133 #define SONYPI_TEMP_STATUS      0xC1
2134
2135 struct sonypi_compat_s {
2136         struct fasync_struct    *fifo_async;
2137         struct kfifo            *fifo;
2138         spinlock_t              fifo_lock;
2139         wait_queue_head_t       fifo_proc_list;
2140         atomic_t                open_count;
2141 };
2142 static struct sonypi_compat_s sonypi_compat = {
2143         .open_count = ATOMIC_INIT(0),
2144 };
2145
2146 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2147 {
2148         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2149 }
2150
2151 static int sonypi_misc_release(struct inode *inode, struct file *file)
2152 {
2153         atomic_dec(&sonypi_compat.open_count);
2154         return 0;
2155 }
2156
2157 static int sonypi_misc_open(struct inode *inode, struct file *file)
2158 {
2159         /* Flush input queue on first open */
2160         unsigned long flags;
2161
2162         spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2163
2164         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2165                 __kfifo_reset(sonypi_compat.fifo);
2166
2167         spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2168
2169         return 0;
2170 }
2171
2172 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2173                                 size_t count, loff_t *pos)
2174 {
2175         ssize_t ret;
2176         unsigned char c;
2177
2178         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2179             (file->f_flags & O_NONBLOCK))
2180                 return -EAGAIN;
2181
2182         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2183                                        kfifo_len(sonypi_compat.fifo) != 0);
2184         if (ret)
2185                 return ret;
2186
2187         while (ret < count &&
2188                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2189                 if (put_user(c, buf++))
2190                         return -EFAULT;
2191                 ret++;
2192         }
2193
2194         if (ret > 0) {
2195                 struct inode *inode = file->f_path.dentry->d_inode;
2196                 inode->i_atime = current_fs_time(inode->i_sb);
2197         }
2198
2199         return ret;
2200 }
2201
2202 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2203 {
2204         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2205         if (kfifo_len(sonypi_compat.fifo))
2206                 return POLLIN | POLLRDNORM;
2207         return 0;
2208 }
2209
2210 static int ec_read16(u8 addr, u16 *value)
2211 {
2212         u8 val_lb, val_hb;
2213         if (ec_read(addr, &val_lb))
2214                 return -1;
2215         if (ec_read(addr + 1, &val_hb))
2216                 return -1;
2217         *value = val_lb | (val_hb << 8);
2218         return 0;
2219 }
2220
2221 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2222                                                         unsigned long arg)
2223 {
2224         int ret = 0;
2225         void __user *argp = (void __user *)arg;
2226         u8 val8;
2227         u16 val16;
2228         int value;
2229
2230         mutex_lock(&spic_dev.lock);
2231         switch (cmd) {
2232         case SONYPI_IOCGBRT:
2233                 if (sony_backlight_device == NULL) {
2234                         ret = -EIO;
2235                         break;
2236                 }
2237                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2238                         ret = -EIO;
2239                         break;
2240                 }
2241                 val8 = ((value & 0xff) - 1) << 5;
2242                 if (copy_to_user(argp, &val8, sizeof(val8)))
2243                                 ret = -EFAULT;
2244                 break;
2245         case SONYPI_IOCSBRT:
2246                 if (sony_backlight_device == NULL) {
2247                         ret = -EIO;
2248                         break;
2249                 }
2250                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2251                         ret = -EFAULT;
2252                         break;
2253                 }
2254                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2255                                 (val8 >> 5) + 1, NULL)) {
2256                         ret = -EIO;
2257                         break;
2258                 }
2259                 /* sync the backlight device status */
2260                 sony_backlight_device->props.brightness =
2261                     sony_backlight_get_brightness(sony_backlight_device);
2262                 break;
2263         case SONYPI_IOCGBAT1CAP:
2264                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2265                         ret = -EIO;
2266                         break;
2267                 }
2268                 if (copy_to_user(argp, &val16, sizeof(val16)))
2269                         ret = -EFAULT;
2270                 break;
2271         case SONYPI_IOCGBAT1REM:
2272                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2273                         ret = -EIO;
2274                         break;
2275                 }
2276                 if (copy_to_user(argp, &val16, sizeof(val16)))
2277                         ret = -EFAULT;
2278                 break;
2279         case SONYPI_IOCGBAT2CAP:
2280                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2281                         ret = -EIO;
2282                         break;
2283                 }
2284                 if (copy_to_user(argp, &val16, sizeof(val16)))
2285                         ret = -EFAULT;
2286                 break;
2287         case SONYPI_IOCGBAT2REM:
2288                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2289                         ret = -EIO;
2290                         break;
2291                 }
2292                 if (copy_to_user(argp, &val16, sizeof(val16)))
2293                         ret = -EFAULT;
2294                 break;
2295         case SONYPI_IOCGBATFLAGS:
2296                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2297                         ret = -EIO;
2298                         break;
2299                 }
2300                 val8 &= 0x07;
2301                 if (copy_to_user(argp, &val8, sizeof(val8)))
2302                         ret = -EFAULT;
2303                 break;
2304         case SONYPI_IOCGBLUE:
2305                 val8 = spic_dev.bluetooth_power;
2306                 if (copy_to_user(argp, &val8, sizeof(val8)))
2307                         ret = -EFAULT;
2308                 break;
2309         case SONYPI_IOCSBLUE:
2310                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2311                         ret = -EFAULT;
2312                         break;
2313                 }
2314                 __sony_pic_set_bluetoothpower(val8);
2315                 break;
2316         /* FAN Controls */
2317         case SONYPI_IOCGFAN:
2318                 if (sony_pic_get_fanspeed(&val8)) {
2319                         ret = -EIO;
2320                         break;
2321                 }
2322                 if (copy_to_user(argp, &val8, sizeof(val8)))
2323                         ret = -EFAULT;
2324                 break;
2325         case SONYPI_IOCSFAN:
2326                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2327                         ret = -EFAULT;
2328                         break;
2329                 }
2330                 if (sony_pic_set_fanspeed(val8))
2331                         ret = -EIO;
2332                 break;
2333         /* GET Temperature (useful under APM) */
2334         case SONYPI_IOCGTEMP:
2335                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2336                         ret = -EIO;
2337                         break;
2338                 }
2339                 if (copy_to_user(argp, &val8, sizeof(val8)))
2340                         ret = -EFAULT;
2341                 break;
2342         default:
2343                 ret = -EINVAL;
2344         }
2345         mutex_unlock(&spic_dev.lock);
2346         return ret;
2347 }
2348
2349 static const struct file_operations sonypi_misc_fops = {
2350         .owner          = THIS_MODULE,
2351         .read           = sonypi_misc_read,
2352         .poll           = sonypi_misc_poll,
2353         .open           = sonypi_misc_open,
2354         .release        = sonypi_misc_release,
2355         .fasync         = sonypi_misc_fasync,
2356         .unlocked_ioctl = sonypi_misc_ioctl,
2357 };
2358
2359 static struct miscdevice sonypi_misc_device = {
2360         .minor          = MISC_DYNAMIC_MINOR,
2361         .name           = "sonypi",
2362         .fops           = &sonypi_misc_fops,
2363 };
2364
2365 static void sonypi_compat_report_event(u8 event)
2366 {
2367         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2368         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2369         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2370 }
2371
2372 static int sonypi_compat_init(void)
2373 {
2374         int error;
2375
2376         spin_lock_init(&sonypi_compat.fifo_lock);
2377         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2378                                          &sonypi_compat.fifo_lock);
2379         if (IS_ERR(sonypi_compat.fifo)) {
2380                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2381                 return PTR_ERR(sonypi_compat.fifo);
2382         }
2383
2384         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2385
2386         if (minor != -1)
2387                 sonypi_misc_device.minor = minor;
2388         error = misc_register(&sonypi_misc_device);
2389         if (error) {
2390                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2391                 goto err_free_kfifo;
2392         }
2393         if (minor == -1)
2394                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2395                        sonypi_misc_device.minor);
2396
2397         return 0;
2398
2399 err_free_kfifo:
2400         kfifo_free(sonypi_compat.fifo);
2401         return error;
2402 }
2403
2404 static void sonypi_compat_exit(void)
2405 {
2406         misc_deregister(&sonypi_misc_device);
2407         kfifo_free(sonypi_compat.fifo);
2408 }
2409 #else
2410 static int sonypi_compat_init(void) { return 0; }
2411 static void sonypi_compat_exit(void) { }
2412 static void sonypi_compat_report_event(u8 event) { }
2413 #endif /* CONFIG_SONYPI_COMPAT */
2414
2415 /*
2416  * ACPI callbacks
2417  */
2418 static acpi_status
2419 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2420 {
2421         u32 i;
2422         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2423
2424         switch (resource->type) {
2425         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2426                 {
2427                         /* start IO enumeration */
2428                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2429                         if (!ioport)
2430                                 return AE_ERROR;
2431
2432                         list_add(&ioport->list, &dev->ioports);
2433                         return AE_OK;
2434                 }
2435
2436         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2437                 /* end IO enumeration */
2438                 return AE_OK;
2439
2440         case ACPI_RESOURCE_TYPE_IRQ:
2441                 {
2442                         struct acpi_resource_irq *p = &resource->data.irq;
2443                         struct sony_pic_irq *interrupt = NULL;
2444                         if (!p || !p->interrupt_count) {
2445                                 /*
2446                                  * IRQ descriptors may have no IRQ# bits set,
2447                                  * particularly those those w/ _STA disabled
2448                                  */
2449                                 dprintk("Blank IRQ resource\n");
2450                                 return AE_OK;
2451                         }
2452                         for (i = 0; i < p->interrupt_count; i++) {
2453                                 if (!p->interrupts[i]) {
2454                                         printk(KERN_WARNING DRV_PFX
2455                                                         "Invalid IRQ %d\n",
2456                                                         p->interrupts[i]);
2457                                         continue;
2458                                 }
2459                                 interrupt = kzalloc(sizeof(*interrupt),
2460                                                 GFP_KERNEL);
2461                                 if (!interrupt)
2462                                         return AE_ERROR;
2463
2464                                 list_add(&interrupt->list, &dev->interrupts);
2465                                 interrupt->irq.triggering = p->triggering;
2466                                 interrupt->irq.polarity = p->polarity;
2467                                 interrupt->irq.sharable = p->sharable;
2468                                 interrupt->irq.interrupt_count = 1;
2469                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2470                         }
2471                         return AE_OK;
2472                 }
2473         case ACPI_RESOURCE_TYPE_IO:
2474                 {
2475                         struct acpi_resource_io *io = &resource->data.io;
2476                         struct sony_pic_ioport *ioport =
2477                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2478                         if (!io) {
2479                                 dprintk("Blank IO resource\n");
2480                                 return AE_OK;
2481                         }
2482
2483                         if (!ioport->io1.minimum) {
2484                                 memcpy(&ioport->io1, io, sizeof(*io));
2485                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2486                                                 ioport->io1.address_length);
2487                         }
2488                         else if (!ioport->io2.minimum) {
2489                                 memcpy(&ioport->io2, io, sizeof(*io));
2490                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2491                                                 ioport->io2.address_length);
2492                         }
2493                         else {
2494                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2495                                 return AE_ERROR;
2496                         }
2497                         return AE_OK;
2498                 }
2499         default:
2500                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2501                                 resource->type);
2502
2503         case ACPI_RESOURCE_TYPE_END_TAG:
2504                 return AE_OK;
2505         }
2506         return AE_CTRL_TERMINATE;
2507 }
2508
2509 static int sony_pic_possible_resources(struct acpi_device *device)
2510 {
2511         int result = 0;
2512         acpi_status status = AE_OK;
2513
2514         if (!device)
2515                 return -EINVAL;
2516
2517         /* get device status */
2518         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2519         dprintk("Evaluating _STA\n");
2520         result = acpi_bus_get_status(device);
2521         if (result) {
2522                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2523                 goto end;
2524         }
2525
2526         if (!device->status.enabled)
2527                 dprintk("Device disabled\n");
2528         else
2529                 dprintk("Device enabled\n");
2530
2531         /*
2532          * Query and parse 'method'
2533          */
2534         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2535         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2536                         sony_pic_read_possible_resource, &spic_dev);
2537         if (ACPI_FAILURE(status)) {
2538                 printk(KERN_WARNING DRV_PFX
2539                                 "Failure evaluating %s\n",
2540                                 METHOD_NAME__PRS);
2541                 result = -ENODEV;
2542         }
2543 end:
2544         return result;
2545 }
2546
2547 /*
2548  *  Disable the spic device by calling its _DIS method
2549  */
2550 static int sony_pic_disable(struct acpi_device *device)
2551 {
2552         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2553                                                NULL);
2554
2555         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2556                 return -ENXIO;
2557
2558         dprintk("Device disabled\n");
2559         return 0;
2560 }
2561
2562
2563 /*
2564  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2565  *
2566  *  Call _SRS to set current resources
2567  */
2568 static int sony_pic_enable(struct acpi_device *device,
2569                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2570 {
2571         acpi_status status;
2572         int result = 0;
2573         /* Type 1 resource layout is:
2574          *    IO
2575          *    IO
2576          *    IRQNoFlags
2577          *    End
2578          *
2579          * Type 2 and 3 resource layout is:
2580          *    IO
2581          *    IRQNoFlags
2582          *    End
2583          */
2584         struct {
2585                 struct acpi_resource res1;
2586                 struct acpi_resource res2;
2587                 struct acpi_resource res3;
2588                 struct acpi_resource res4;
2589         } *resource;
2590         struct acpi_buffer buffer = { 0, NULL };
2591
2592         if (!ioport || !irq)
2593                 return -EINVAL;
2594
2595         /* init acpi_buffer */
2596         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2597         if (!resource)
2598                 return -ENOMEM;
2599
2600         buffer.length = sizeof(*resource) + 1;
2601         buffer.pointer = resource;
2602
2603         /* setup Type 1 resources */
2604         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2605
2606                 /* setup io resources */
2607                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2608                 resource->res1.length = sizeof(struct acpi_resource);
2609                 memcpy(&resource->res1.data.io, &ioport->io1,
2610                                 sizeof(struct acpi_resource_io));
2611
2612                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2613                 resource->res2.length = sizeof(struct acpi_resource);
2614                 memcpy(&resource->res2.data.io, &ioport->io2,
2615                                 sizeof(struct acpi_resource_io));
2616
2617                 /* setup irq resource */
2618                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2619                 resource->res3.length = sizeof(struct acpi_resource);
2620                 memcpy(&resource->res3.data.irq, &irq->irq,
2621                                 sizeof(struct acpi_resource_irq));
2622                 /* we requested a shared irq */
2623                 resource->res3.data.irq.sharable = ACPI_SHARED;
2624
2625                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2626
2627         }
2628         /* setup Type 2/3 resources */
2629         else {
2630                 /* setup io resource */
2631                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2632                 resource->res1.length = sizeof(struct acpi_resource);
2633                 memcpy(&resource->res1.data.io, &ioport->io1,
2634                                 sizeof(struct acpi_resource_io));
2635
2636                 /* setup irq resource */
2637                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2638                 resource->res2.length = sizeof(struct acpi_resource);
2639                 memcpy(&resource->res2.data.irq, &irq->irq,
2640                                 sizeof(struct acpi_resource_irq));
2641                 /* we requested a shared irq */
2642                 resource->res2.data.irq.sharable = ACPI_SHARED;
2643
2644                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2645         }
2646
2647         /* Attempt to set the resource */
2648         dprintk("Evaluating _SRS\n");
2649         status = acpi_set_current_resources(device->handle, &buffer);
2650
2651         /* check for total failure */
2652         if (ACPI_FAILURE(status)) {
2653                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2654                 result = -ENODEV;
2655                 goto end;
2656         }
2657
2658         /* Necessary device initializations calls (from sonypi) */
2659         sony_pic_call1(0x82);
2660         sony_pic_call2(0x81, 0xff);
2661         sony_pic_call1(compat ? 0x92 : 0x82);
2662
2663 end:
2664         kfree(resource);
2665         return result;
2666 }
2667
2668 /*****************
2669  *
2670  * ISR: some event is available
2671  *
2672  *****************/
2673 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2674 {
2675         int i, j;
2676         u8 ev = 0;
2677         u8 data_mask = 0;
2678         u8 device_event = 0;
2679
2680         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2681
2682         ev = inb_p(dev->cur_ioport->io1.minimum);
2683         if (dev->cur_ioport->io2.minimum)
2684                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2685         else
2686                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2687                                 dev->control->evport_offset);
2688
2689         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2690                         ev, data_mask, dev->cur_ioport->io1.minimum,
2691                         dev->control->evport_offset);
2692
2693         if (ev == 0x00 || ev == 0xff)
2694                 return IRQ_HANDLED;
2695
2696         for (i = 0; dev->control->event_types[i].mask; i++) {
2697
2698                 if ((data_mask & dev->control->event_types[i].data) !=
2699                     dev->control->event_types[i].data)
2700                         continue;
2701
2702                 if (!(mask & dev->control->event_types[i].mask))
2703                         continue;
2704
2705                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2706                         if (ev == dev->control->event_types[i].events[j].data) {
2707                                 device_event =
2708                                         dev->control->
2709                                                 event_types[i].events[j].event;
2710                                 goto found;
2711                         }
2712                 }
2713         }
2714         /* Still not able to decode the event try to pass
2715          * it over to the minidriver
2716          */
2717         if (dev->control->handle_irq &&
2718                         dev->control->handle_irq(data_mask, ev) == 0)
2719                 return IRQ_HANDLED;
2720
2721         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2722                         ev, data_mask, dev->cur_ioport->io1.minimum,
2723                         dev->control->evport_offset);
2724         return IRQ_HANDLED;
2725
2726 found:
2727         sony_laptop_report_input_event(device_event);
2728         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2729         sonypi_compat_report_event(device_event);
2730
2731         return IRQ_HANDLED;
2732 }
2733
2734 /*****************
2735  *
2736  *  ACPI driver
2737  *
2738  *****************/
2739 static int sony_pic_remove(struct acpi_device *device, int type)
2740 {
2741         struct sony_pic_ioport *io, *tmp_io;
2742         struct sony_pic_irq *irq, *tmp_irq;
2743
2744         if (sony_pic_disable(device)) {
2745                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2746                 return -ENXIO;
2747         }
2748
2749         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2750         release_region(spic_dev.cur_ioport->io1.minimum,
2751                         spic_dev.cur_ioport->io1.address_length);
2752         if (spic_dev.cur_ioport->io2.minimum)
2753                 release_region(spic_dev.cur_ioport->io2.minimum,
2754                                 spic_dev.cur_ioport->io2.address_length);
2755
2756         sonypi_compat_exit();
2757
2758         sony_laptop_remove_input();
2759
2760         /* pf attrs */
2761         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2762         sony_pf_remove();
2763
2764         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2765                 list_del(&io->list);
2766                 kfree(io);
2767         }
2768         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2769                 list_del(&irq->list);
2770                 kfree(irq);
2771         }
2772         spic_dev.cur_ioport = NULL;
2773         spic_dev.cur_irq = NULL;
2774
2775         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2776         return 0;
2777 }
2778
2779 static int sony_pic_add(struct acpi_device *device)
2780 {
2781         int result;
2782         struct sony_pic_ioport *io, *tmp_io;
2783         struct sony_pic_irq *irq, *tmp_irq;
2784
2785         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2786                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2787
2788         spic_dev.acpi_dev = device;
2789         strcpy(acpi_device_class(device), "sony/hotkey");
2790         sony_pic_detect_device_type(&spic_dev);
2791         mutex_init(&spic_dev.lock);
2792
2793         /* read _PRS resources */
2794         result = sony_pic_possible_resources(device);
2795         if (result) {
2796                 printk(KERN_ERR DRV_PFX
2797                                 "Unable to read possible resources.\n");
2798                 goto err_free_resources;
2799         }
2800
2801         /* setup input devices and helper fifo */
2802         result = sony_laptop_setup_input(device);
2803         if (result) {
2804                 printk(KERN_ERR DRV_PFX
2805                                 "Unable to create input devices.\n");
2806                 goto err_free_resources;
2807         }
2808
2809         if (sonypi_compat_init())
2810                 goto err_remove_input;
2811
2812         /* request io port */
2813         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2814                 if (request_region(io->io1.minimum, io->io1.address_length,
2815                                         "Sony Programable I/O Device")) {
2816                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2817                                         io->io1.minimum, io->io1.maximum,
2818                                         io->io1.address_length);
2819                         /* Type 1 have 2 ioports */
2820                         if (io->io2.minimum) {
2821                                 if (request_region(io->io2.minimum,
2822                                                 io->io2.address_length,
2823                                                 "Sony Programable I/O Device")) {
2824                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2825                                                         io->io2.minimum, io->io2.maximum,
2826                                                         io->io2.address_length);
2827                                         spic_dev.cur_ioport = io;
2828                                         break;
2829                                 }
2830                                 else {
2831                                         dprintk("Unable to get I/O port2: "
2832                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2833                                                         io->io2.minimum, io->io2.maximum,
2834                                                         io->io2.address_length);
2835                                         release_region(io->io1.minimum,
2836                                                         io->io1.address_length);
2837                                 }
2838                         }
2839                         else {
2840                                 spic_dev.cur_ioport = io;
2841                                 break;
2842                         }
2843                 }
2844         }
2845         if (!spic_dev.cur_ioport) {
2846                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2847                 result = -ENODEV;
2848                 goto err_remove_compat;
2849         }
2850
2851         /* request IRQ */
2852         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2853                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2854                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2855                         dprintk("IRQ: %d - triggering: %d - "
2856                                         "polarity: %d - shr: %d\n",
2857                                         irq->irq.interrupts[0],
2858                                         irq->irq.triggering,
2859                                         irq->irq.polarity,
2860                                         irq->irq.sharable);
2861                         spic_dev.cur_irq = irq;
2862                         break;
2863                 }
2864         }
2865         if (!spic_dev.cur_irq) {
2866                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2867                 result = -ENODEV;
2868                 goto err_release_region;
2869         }
2870
2871         /* set resource status _SRS */
2872         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2873         if (result) {
2874                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2875                 goto err_free_irq;
2876         }
2877
2878         spic_dev.bluetooth_power = -1;
2879         /* create device attributes */
2880         result = sony_pf_add();
2881         if (result)
2882                 goto err_disable_device;
2883
2884         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2885         if (result)
2886                 goto err_remove_pf;
2887
2888         return 0;
2889
2890 err_remove_pf:
2891         sony_pf_remove();
2892
2893 err_disable_device:
2894         sony_pic_disable(device);
2895
2896 err_free_irq:
2897         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2898
2899 err_release_region:
2900         release_region(spic_dev.cur_ioport->io1.minimum,
2901                         spic_dev.cur_ioport->io1.address_length);
2902         if (spic_dev.cur_ioport->io2.minimum)
2903                 release_region(spic_dev.cur_ioport->io2.minimum,
2904                                 spic_dev.cur_ioport->io2.address_length);
2905
2906 err_remove_compat:
2907         sonypi_compat_exit();
2908
2909 err_remove_input:
2910         sony_laptop_remove_input();
2911
2912 err_free_resources:
2913         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2914                 list_del(&io->list);
2915                 kfree(io);
2916         }
2917         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2918                 list_del(&irq->list);
2919                 kfree(irq);
2920         }
2921         spic_dev.cur_ioport = NULL;
2922         spic_dev.cur_irq = NULL;
2923
2924         return result;
2925 }
2926
2927 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2928 {
2929         if (sony_pic_disable(device))
2930                 return -ENXIO;
2931         return 0;
2932 }
2933
2934 static int sony_pic_resume(struct acpi_device *device)
2935 {
2936         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2937         return 0;
2938 }
2939
2940 static const struct acpi_device_id sony_pic_device_ids[] = {
2941         {SONY_PIC_HID, 0},
2942         {"", 0},
2943 };
2944
2945 static struct acpi_driver sony_pic_driver = {
2946         .name = SONY_PIC_DRIVER_NAME,
2947         .class = SONY_PIC_CLASS,
2948         .ids = sony_pic_device_ids,
2949         .owner = THIS_MODULE,
2950         .ops = {
2951                 .add = sony_pic_add,
2952                 .remove = sony_pic_remove,
2953                 .suspend = sony_pic_suspend,
2954                 .resume = sony_pic_resume,
2955                 },
2956 };
2957
2958 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2959         {
2960                 .ident = "Sony Vaio",
2961                 .matches = {
2962                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2963                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2964                 },
2965         },
2966         {
2967                 .ident = "Sony Vaio",
2968                 .matches = {
2969                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2970                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2971                 },
2972         },
2973         { }
2974 };
2975
2976 static int __init sony_laptop_init(void)
2977 {
2978         int result;
2979
2980         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2981                 result = acpi_bus_register_driver(&sony_pic_driver);
2982                 if (result) {
2983                         printk(KERN_ERR DRV_PFX
2984                                         "Unable to register SPIC driver.");
2985                         goto out;
2986                 }
2987         }
2988
2989         result = acpi_bus_register_driver(&sony_nc_driver);
2990         if (result) {
2991                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2992                 goto out_unregister_pic;
2993         }
2994
2995         return 0;
2996
2997 out_unregister_pic:
2998         if (!no_spic)
2999                 acpi_bus_unregister_driver(&sony_pic_driver);
3000 out:
3001         return result;
3002 }
3003
3004 static void __exit sony_laptop_exit(void)
3005 {
3006         acpi_bus_unregister_driver(&sony_nc_driver);
3007         if (!no_spic)
3008                 acpi_bus_unregister_driver(&sony_pic_driver);
3009 }
3010
3011 module_init(sony_laptop_init);
3012 module_exit(sony_laptop_exit);