SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/misc/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 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
  66 #define DRV_PFX                 "sony-laptop: "
  67 #define dprintk(msg...)         do {                    \
  68         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  69 } while (0)
  70
  71 #define SONY_LAPTOP_DRIVER_VERSION      "0.5"
  72
  73 #define SONY_NC_CLASS           "sony-nc"
  74 #define SONY_NC_HID             "SNY5001"
  75 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  76
  77 #define SONY_PIC_CLASS          "sony-pic"
  78 #define SONY_PIC_HID            "SNY6001"
  79 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  80
  81 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  82 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  83 MODULE_LICENSE("GPL");
  84 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  85
  86 static int debug;
  87 module_param(debug, int, 0);
  88 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  89                  "the development of this driver");
  90
  91 static int no_spic;             /* = 0 */
  92 module_param(no_spic, int, 0444);
  93 MODULE_PARM_DESC(no_spic,
  94                  "set this if you don't want to enable the SPIC device");
  95
  96 static int compat;              /* = 0 */
  97 module_param(compat, int, 0444);
  98 MODULE_PARM_DESC(compat,
  99                  "set this if you want to enable backward compatibility mode for SPIC");
 100
 101 static unsigned long mask = 0xffffffff;
 102 module_param(mask, ulong, 0644);
 103 MODULE_PARM_DESC(mask,
 104                  "set this to the mask of event you want to enable (see doc)");
 105
 106 /*********** Input Devices ***********/
 107
 108 #define SONY_LAPTOP_BUF_SIZE    128
 109 struct sony_laptop_input_s {
 110         atomic_t                users;
 111         struct input_dev        *jog_dev;
 112         struct input_dev        *key_dev;
 113         struct kfifo            *fifo;
 114         spinlock_t              fifo_lock;
 115         struct workqueue_struct *wq;
 116 };
 117 static struct sony_laptop_input_s sony_laptop_input = {
 118         .users = ATOMIC_INIT(0),
 119 };
 120
 121 struct sony_laptop_keypress {
 122         struct input_dev *dev;
 123         int key;
 124 };
 125
 126 /* Correspondance table between sonypi events and input layer events */
 127 static struct {
 128         int sonypiev;
 129         int inputev;
 130 } sony_laptop_inputkeys[] = {
 131         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
 132         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
 133         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
 134         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
 135         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
 136         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
 137         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
 138         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
 139         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
 140         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
 141         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
 142         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
 143         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
 144         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
 145         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
 146         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
 147         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
 148         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
 149         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
 150         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
 151         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
 152         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
 153         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
 154         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
 155         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
 156         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
 157         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
 158         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
 159         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
 160         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
 161         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
 162         { 0, 0 },
 163 };
 164
 165 /* release buttons after a short delay if pressed */
 166 static void do_sony_laptop_release_key(struct work_struct *work)
 167 {
 168         struct sony_laptop_keypress kp;
 169
 170         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
 171                          sizeof(kp)) == sizeof(kp)) {
 172                 msleep(10);
 173                 input_report_key(kp.dev, kp.key, 0);
 174                 input_sync(kp.dev);
 175         }
 176 }
 177 static DECLARE_WORK(sony_laptop_release_key_work,
 178                 do_sony_laptop_release_key);
 179
 180 /* forward event to the input subsytem */
 181 static void sony_laptop_report_input_event(u8 event)
 182 {
 183         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 184         struct input_dev *key_dev = sony_laptop_input.key_dev;
 185         struct sony_laptop_keypress kp = { NULL };
 186         int i;
 187
 188         if (event == SONYPI_EVENT_FNKEY_RELEASED) {
 189                 /* Nothing, not all VAIOs generate this event */
 190                 return;
 191         }
 192
 193         /* report events */
 194         switch (event) {
 195         /* jog_dev events */
 196         case SONYPI_EVENT_JOGDIAL_UP:
 197         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 198                 input_report_rel(jog_dev, REL_WHEEL, 1);
 199                 input_sync(jog_dev);
 200                 return;
 201
 202         case SONYPI_EVENT_JOGDIAL_DOWN:
 203         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 204                 input_report_rel(jog_dev, REL_WHEEL, -1);
 205                 input_sync(jog_dev);
 206                 return;
 207
 208         /* key_dev events */
 209         case SONYPI_EVENT_JOGDIAL_PRESSED:
 210                 kp.key = BTN_MIDDLE;
 211                 kp.dev = jog_dev;
 212                 break;
 213
 214         default:
 215                 for (i = 0; sony_laptop_inputkeys[i].sonypiev; i++)
 216                         if (event == sony_laptop_inputkeys[i].sonypiev) {
 217                                 kp.dev = key_dev;
 218                                 kp.key = sony_laptop_inputkeys[i].inputev;
 219                                 break;
 220                         }
 221                 break;
 222         }
 223
 224         if (kp.dev) {
 225                 input_report_key(kp.dev, kp.key, 1);
 226                 input_sync(kp.dev);
 227                 kfifo_put(sony_laptop_input.fifo,
 228                           (unsigned char *)&kp, sizeof(kp));
 229
 230                 if (!work_pending(&sony_laptop_release_key_work))
 231                         queue_work(sony_laptop_input.wq,
 232                                         &sony_laptop_release_key_work);
 233         } else
 234                 dprintk("unknown input event %.2x\n", event);
 235 }
 236
 237 static int sony_laptop_setup_input(void)
 238 {
 239         struct input_dev *jog_dev;
 240         struct input_dev *key_dev;
 241         int i;
 242         int error;
 243
 244         /* don't run again if already initialized */
 245         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 246                 return 0;
 247
 248         /* kfifo */
 249         spin_lock_init(&sony_laptop_input.fifo_lock);
 250         sony_laptop_input.fifo =
 251                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
 252                             &sony_laptop_input.fifo_lock);
 253         if (IS_ERR(sony_laptop_input.fifo)) {
 254                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 255                 error = PTR_ERR(sony_laptop_input.fifo);
 256                 goto err_dec_users;
 257         }
 258
 259         /* init workqueue */
 260         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
 261         if (!sony_laptop_input.wq) {
 262                 printk(KERN_ERR DRV_PFX
 263                                 "Unabe to create workqueue.\n");
 264                 error = -ENXIO;
 265                 goto err_free_kfifo;
 266         }
 267
 268         /* input keys */
 269         key_dev = input_allocate_device();
 270         if (!key_dev) {
 271                 error = -ENOMEM;
 272                 goto err_destroy_wq;
 273         }
 274
 275         key_dev->name = "Sony Vaio Keys";
 276         key_dev->id.bustype = BUS_ISA;
 277         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 278
 279         /* Initialize the Input Drivers: special keys */
 280         key_dev->evbit[0] = BIT(EV_KEY);
 281         for (i = 0; sony_laptop_inputkeys[i].sonypiev; i++)
 282                 if (sony_laptop_inputkeys[i].inputev)
 283                         set_bit(sony_laptop_inputkeys[i].inputev,
 284                                         key_dev->keybit);
 285
 286         error = input_register_device(key_dev);
 287         if (error)
 288                 goto err_free_keydev;
 289
 290         sony_laptop_input.key_dev = key_dev;
 291
 292         /* jogdial */
 293         jog_dev = input_allocate_device();
 294         if (!jog_dev) {
 295                 error = -ENOMEM;
 296                 goto err_unregister_keydev;
 297         }
 298
 299         jog_dev->name = "Sony Vaio Jogdial";
 300         jog_dev->id.bustype = BUS_ISA;
 301         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 302
 303         jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
 304         jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
 305         jog_dev->relbit[0] = BIT(REL_WHEEL);
 306
 307         error = input_register_device(jog_dev);
 308         if (error)
 309                 goto err_free_jogdev;
 310
 311         sony_laptop_input.jog_dev = jog_dev;
 312
 313         return 0;
 314
 315 err_free_jogdev:
 316         input_free_device(jog_dev);
 317
 318 err_unregister_keydev:
 319         input_unregister_device(key_dev);
 320         /* to avoid kref underflow below at input_free_device */
 321         key_dev = NULL;
 322
 323 err_free_keydev:
 324         input_free_device(key_dev);
 325
 326 err_destroy_wq:
 327         destroy_workqueue(sony_laptop_input.wq);
 328
 329 err_free_kfifo:
 330         kfifo_free(sony_laptop_input.fifo);
 331
 332 err_dec_users:
 333         atomic_dec(&sony_laptop_input.users);
 334         return error;
 335 }
 336
 337 static void sony_laptop_remove_input(void)
 338 {
 339         /* cleanup only after the last user has gone */
 340         if (!atomic_dec_and_test(&sony_laptop_input.users))
 341                 return;
 342
 343         /* flush workqueue first */
 344         flush_workqueue(sony_laptop_input.wq);
 345
 346         /* destroy input devs */
 347         input_unregister_device(sony_laptop_input.key_dev);
 348         sony_laptop_input.key_dev = NULL;
 349
 350         if (sony_laptop_input.jog_dev) {
 351                 input_unregister_device(sony_laptop_input.jog_dev);
 352                 sony_laptop_input.jog_dev = NULL;
 353         }
 354
 355         destroy_workqueue(sony_laptop_input.wq);
 356         kfifo_free(sony_laptop_input.fifo);
 357 }
 358
 359 /*********** Platform Device ***********/
 360
 361 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 362 static struct platform_driver sony_pf_driver = {
 363         .driver = {
 364                    .name = "sony-laptop",
 365                    .owner = THIS_MODULE,
 366                    }
 367 };
 368 static struct platform_device *sony_pf_device;
 369
 370 static int sony_pf_add(void)
 371 {
 372         int ret = 0;
 373
 374         /* don't run again if already initialized */
 375         if (atomic_add_return(1, &sony_pf_users) > 1)
 376                 return 0;
 377
 378         ret = platform_driver_register(&sony_pf_driver);
 379         if (ret)
 380                 goto out;
 381
 382         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 383         if (!sony_pf_device) {
 384                 ret = -ENOMEM;
 385                 goto out_platform_registered;
 386         }
 387
 388         ret = platform_device_add(sony_pf_device);
 389         if (ret)
 390                 goto out_platform_alloced;
 391
 392         return 0;
 393
 394       out_platform_alloced:
 395         platform_device_put(sony_pf_device);
 396         sony_pf_device = NULL;
 397       out_platform_registered:
 398         platform_driver_unregister(&sony_pf_driver);
 399       out:
 400         atomic_dec(&sony_pf_users);
 401         return ret;
 402 }
 403
 404 static void sony_pf_remove(void)
 405 {
 406         /* deregister only after the last user has gone */
 407         if (!atomic_dec_and_test(&sony_pf_users))
 408                 return;
 409
 410         platform_device_del(sony_pf_device);
 411         platform_device_put(sony_pf_device);
 412         platform_driver_unregister(&sony_pf_driver);
 413 }
 414
 415 /*********** SNC (SNY5001) Device ***********/
 416
 417 /* the device uses 1-based values, while the backlight subsystem uses
 418    0-based values */
 419 #define SONY_MAX_BRIGHTNESS     8
 420
 421 #define SNC_VALIDATE_IN         0
 422 #define SNC_VALIDATE_OUT        1
 423
 424 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 425                               char *);
 426 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 427                                const char *, size_t);
 428 static int boolean_validate(const int, const int);
 429 static int brightness_default_validate(const int, const int);
 430
 431 struct sony_nc_value {
 432         char *name;             /* name of the entry */
 433         char **acpiget;         /* names of the ACPI get function */
 434         char **acpiset;         /* names of the ACPI set function */
 435         int (*validate)(const int, const int);  /* input/output validation */
 436         int value;              /* current setting */
 437         int valid;              /* Has ever been set */
 438         int debug;              /* active only in debug mode ? */
 439         struct device_attribute devattr;        /* sysfs atribute */
 440 };
 441
 442 #define SNC_HANDLE_NAMES(_name, _values...) \
 443         static char *snc_##_name[] = { _values, NULL }
 444
 445 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 446         { \
 447                 .name           = __stringify(_name), \
 448                 .acpiget        = _getters, \
 449                 .acpiset        = _setters, \
 450                 .validate       = _validate, \
 451                 .debug          = _debug, \
 452                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 453         }
 454
 455 #define SNC_HANDLE_NULL { .name = NULL }
 456
 457 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 458
 459 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 460 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 461
 462 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 463 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 464
 465 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 466 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 467
 468 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 469 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 470
 471 SNC_HANDLE_NAMES(PID_get, "GPID");
 472
 473 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 474 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 475
 476 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 477 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 478
 479 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 480 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 481
 482 static struct sony_nc_value sony_nc_values[] = {
 483         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 484                         snc_brightness_def_set, brightness_default_validate, 0),
 485         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 486         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 487         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 488                         boolean_validate, 0),
 489         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 490                         boolean_validate, 1),
 491         /* unknown methods */
 492         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 493         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 494         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 495         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 496         SNC_HANDLE_NULL
 497 };
 498
 499 static acpi_handle sony_nc_acpi_handle;
 500 static struct acpi_device *sony_nc_acpi_device = NULL;
 501
 502 /*
 503  * acpi_evaluate_object wrappers
 504  */
 505 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 506 {
 507         struct acpi_buffer output;
 508         union acpi_object out_obj;
 509         acpi_status status;
 510
 511         output.length = sizeof(out_obj);
 512         output.pointer = &out_obj;
 513
 514         status = acpi_evaluate_object(handle, name, NULL, &output);
 515         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 516                 *result = out_obj.integer.value;
 517                 return 0;
 518         }
 519
 520         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 521
 522         return -1;
 523 }
 524
 525 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 526                             int *result)
 527 {
 528         struct acpi_object_list params;
 529         union acpi_object in_obj;
 530         struct acpi_buffer output;
 531         union acpi_object out_obj;
 532         acpi_status status;
 533
 534         params.count = 1;
 535         params.pointer = &in_obj;
 536         in_obj.type = ACPI_TYPE_INTEGER;
 537         in_obj.integer.value = value;
 538
 539         output.length = sizeof(out_obj);
 540         output.pointer = &out_obj;
 541
 542         status = acpi_evaluate_object(handle, name, &params, &output);
 543         if (status == AE_OK) {
 544                 if (result != NULL) {
 545                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 546                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 547                                        "return type\n");
 548                                 return -1;
 549                         }
 550                         *result = out_obj.integer.value;
 551                 }
 552                 return 0;
 553         }
 554
 555         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 556
 557         return -1;
 558 }
 559
 560 /*
 561  * sony_nc_values input/output validate functions
 562  */
 563
 564 /* brightness_default_validate:
 565  *
 566  * manipulate input output values to keep consistency with the
 567  * backlight framework for which brightness values are 0-based.
 568  */
 569 static int brightness_default_validate(const int direction, const int value)
 570 {
 571         switch (direction) {
 572                 case SNC_VALIDATE_OUT:
 573                         return value - 1;
 574                 case SNC_VALIDATE_IN:
 575                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 576                                 return value + 1;
 577         }
 578         return -EINVAL;
 579 }
 580
 581 /* boolean_validate:
 582  *
 583  * on input validate boolean values 0/1, on output just pass the
 584  * received value.
 585  */
 586 static int boolean_validate(const int direction, const int value)
 587 {
 588         if (direction == SNC_VALIDATE_IN) {
 589                 if (value != 0 && value != 1)
 590                         return -EINVAL;
 591         }
 592         return value;
 593 }
 594
 595 /*
 596  * Sysfs show/store common to all sony_nc_values
 597  */
 598 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 599                               char *buffer)
 600 {
 601         int value;
 602         struct sony_nc_value *item =
 603             container_of(attr, struct sony_nc_value, devattr);
 604
 605         if (!*item->acpiget)
 606                 return -EIO;
 607
 608         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 609                 return -EIO;
 610
 611         if (item->validate)
 612                 value = item->validate(SNC_VALIDATE_OUT, value);
 613
 614         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 615 }
 616
 617 static ssize_t sony_nc_sysfs_store(struct device *dev,
 618                                struct device_attribute *attr,
 619                                const char *buffer, size_t count)
 620 {
 621         int value;
 622         struct sony_nc_value *item =
 623             container_of(attr, struct sony_nc_value, devattr);
 624
 625         if (!item->acpiset)
 626                 return -EIO;
 627
 628         if (count > 31)
 629                 return -EINVAL;
 630
 631         value = simple_strtoul(buffer, NULL, 10);
 632
 633         if (item->validate)
 634                 value = item->validate(SNC_VALIDATE_IN, value);
 635
 636         if (value < 0)
 637                 return value;
 638
 639         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 640                 return -EIO;
 641         item->value = value;
 642         item->valid = 1;
 643         return count;
 644 }
 645
 646
 647 /*
 648  * Backlight device
 649  */
 650 static int sony_backlight_update_status(struct backlight_device *bd)
 651 {
 652         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 653                                 bd->props.brightness + 1, NULL);
 654 }
 655
 656 static int sony_backlight_get_brightness(struct backlight_device *bd)
 657 {
 658         int value;
 659
 660         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 661                 return 0;
 662         /* brightness levels are 1-based, while backlight ones are 0-based */
 663         return value - 1;
 664 }
 665
 666 static struct backlight_device *sony_backlight_device;
 667 static struct backlight_ops sony_backlight_ops = {
 668         .update_status = sony_backlight_update_status,
 669         .get_brightness = sony_backlight_get_brightness,
 670 };
 671
 672 /*
 673  * ACPI callbacks
 674  */
 675 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
 676 {
 677         dprintk("sony_acpi_notify, event: %d\n", event);
 678         sony_laptop_report_input_event(event);
 679         acpi_bus_generate_event(sony_nc_acpi_device, 1, event);
 680 }
 681
 682 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 683                                       void *context, void **return_value)
 684 {
 685         struct acpi_namespace_node *node;
 686         union acpi_operand_object *operand;
 687
 688         node = (struct acpi_namespace_node *)handle;
 689         operand = (union acpi_operand_object *)node->object;
 690
 691         printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,
 692                (u32) operand->method.param_count);
 693
 694         return AE_OK;
 695 }
 696
 697 /*
 698  * ACPI device
 699  */
 700 static int sony_nc_resume(struct acpi_device *device)
 701 {
 702         struct sony_nc_value *item;
 703
 704         for (item = sony_nc_values; item->name; item++) {
 705                 int ret;
 706
 707                 if (!item->valid)
 708                         continue;
 709                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
 710                                        item->value, NULL);
 711                 if (ret < 0) {
 712                         printk("%s: %d\n", __FUNCTION__, ret);
 713                         break;
 714                 }
 715         }
 716         return 0;
 717 }
 718
 719 static int sony_nc_add(struct acpi_device *device)
 720 {
 721         acpi_status status;
 722         int result = 0;
 723         acpi_handle handle;
 724         struct sony_nc_value *item;
 725
 726         printk(KERN_INFO DRV_PFX "%s v%s.\n",
 727                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
 728
 729         sony_nc_acpi_device = device;
 730         strcpy(acpi_device_class(device), "sony/hotkey");
 731
 732         sony_nc_acpi_handle = device->handle;
 733
 734         if (debug) {
 735                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
 736                                              1, sony_walk_callback, NULL, NULL);
 737                 if (ACPI_FAILURE(status)) {
 738                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
 739                         result = -ENODEV;
 740                         goto outwalk;
 741                 }
 742         }
 743
 744         /* setup input devices and helper fifo */
 745         result = sony_laptop_setup_input();
 746         if (result) {
 747                 printk(KERN_ERR DRV_PFX
 748                                 "Unabe to create input devices.\n");
 749                 goto outwalk;
 750         }
 751
 752         status = acpi_install_notify_handler(sony_nc_acpi_handle,
 753                                              ACPI_DEVICE_NOTIFY,
 754                                              sony_acpi_notify, NULL);
 755         if (ACPI_FAILURE(status)) {
 756                 printk(KERN_WARNING DRV_PFX "unable to install notify handler\n");
 757                 result = -ENODEV;
 758                 goto outinput;
 759         }
 760
 761         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
 762                 sony_backlight_device = backlight_device_register("sony", NULL,
 763                                                                   NULL,
 764                                                                   &sony_backlight_ops);
 765
 766                 if (IS_ERR(sony_backlight_device)) {
 767                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
 768                         sony_backlight_device = NULL;
 769                 } else {
 770                         sony_backlight_device->props.brightness =
 771                             sony_backlight_get_brightness
 772                             (sony_backlight_device);
 773                         sony_backlight_device->props.max_brightness =
 774                             SONY_MAX_BRIGHTNESS - 1;
 775                 }
 776
 777         }
 778
 779         result = sony_pf_add();
 780         if (result)
 781                 goto outbacklight;
 782
 783         /* create sony_pf sysfs attributes related to the SNC device */
 784         for (item = sony_nc_values; item->name; ++item) {
 785
 786                 if (!debug && item->debug)
 787                         continue;
 788
 789                 /* find the available acpiget as described in the DSDT */
 790                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
 791                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
 792                                                          *item->acpiget,
 793                                                          &handle))) {
 794                                 dprintk("Found %s getter: %s\n",
 795                                                 item->name, *item->acpiget);
 796                                 item->devattr.attr.mode |= S_IRUGO;
 797                                 break;
 798                         }
 799                 }
 800
 801                 /* find the available acpiset as described in the DSDT */
 802                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
 803                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
 804                                                          *item->acpiset,
 805                                                          &handle))) {
 806                                 dprintk("Found %s setter: %s\n",
 807                                                 item->name, *item->acpiset);
 808                                 item->devattr.attr.mode |= S_IWUSR;
 809                                 break;
 810                         }
 811                 }
 812
 813                 if (item->devattr.attr.mode != 0) {
 814                         result =
 815                             device_create_file(&sony_pf_device->dev,
 816                                                &item->devattr);
 817                         if (result)
 818                                 goto out_sysfs;
 819                 }
 820         }
 821
 822         return 0;
 823
 824       out_sysfs:
 825         for (item = sony_nc_values; item->name; ++item) {
 826                 device_remove_file(&sony_pf_device->dev, &item->devattr);
 827         }
 828         sony_pf_remove();
 829
 830       outbacklight:
 831         if (sony_backlight_device)
 832                 backlight_device_unregister(sony_backlight_device);
 833
 834         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
 835                                             ACPI_DEVICE_NOTIFY,
 836                                             sony_acpi_notify);
 837         if (ACPI_FAILURE(status))
 838                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
 839
 840       outinput:
 841         sony_laptop_remove_input();
 842
 843       outwalk:
 844         return result;
 845 }
 846
 847 static int sony_nc_remove(struct acpi_device *device, int type)
 848 {
 849         acpi_status status;
 850         struct sony_nc_value *item;
 851
 852         if (sony_backlight_device)
 853                 backlight_device_unregister(sony_backlight_device);
 854
 855         sony_nc_acpi_device = NULL;
 856
 857         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
 858                                             ACPI_DEVICE_NOTIFY,
 859                                             sony_acpi_notify);
 860         if (ACPI_FAILURE(status))
 861                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
 862
 863         for (item = sony_nc_values; item->name; ++item) {
 864                 device_remove_file(&sony_pf_device->dev, &item->devattr);
 865         }
 866
 867         sony_pf_remove();
 868         sony_laptop_remove_input();
 869         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
 870
 871         return 0;
 872 }
 873
 874 static struct acpi_driver sony_nc_driver = {
 875         .name = SONY_NC_DRIVER_NAME,
 876         .class = SONY_NC_CLASS,
 877         .ids = SONY_NC_HID,
 878         .owner = THIS_MODULE,
 879         .ops = {
 880                 .add = sony_nc_add,
 881                 .remove = sony_nc_remove,
 882                 .resume = sony_nc_resume,
 883                 },
 884 };
 885
 886 /*********** SPIC (SNY6001) Device ***********/
 887
 888 #define SONYPI_DEVICE_TYPE1     0x00000001
 889 #define SONYPI_DEVICE_TYPE2     0x00000002
 890 #define SONYPI_DEVICE_TYPE3     0x00000004
 891
 892 #define SONY_PIC_EV_MASK        0xff
 893
 894 struct sony_pic_ioport {
 895         struct acpi_resource_io io;
 896         struct list_head        list;
 897 };
 898
 899 struct sony_pic_irq {
 900         struct acpi_resource_irq        irq;
 901         struct list_head                list;
 902 };
 903
 904 struct sony_pic_dev {
 905         int                     model;
 906         u8                      camera_power;
 907         u8                      bluetooth_power;
 908         struct acpi_device      *acpi_dev;
 909         struct sony_pic_irq     *cur_irq;
 910         struct sony_pic_ioport  *cur_ioport;
 911         struct list_head        interrupts;
 912         struct list_head        ioports;
 913 };
 914
 915 static struct sony_pic_dev spic_dev = {
 916         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
 917         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
 918 };
 919
 920 /* Event masks */
 921 #define SONYPI_JOGGER_MASK                      0x00000001
 922 #define SONYPI_CAPTURE_MASK                     0x00000002
 923 #define SONYPI_FNKEY_MASK                       0x00000004
 924 #define SONYPI_BLUETOOTH_MASK                   0x00000008
 925 #define SONYPI_PKEY_MASK                        0x00000010
 926 #define SONYPI_BACK_MASK                        0x00000020
 927 #define SONYPI_HELP_MASK                        0x00000040
 928 #define SONYPI_LID_MASK                         0x00000080
 929 #define SONYPI_ZOOM_MASK                        0x00000100
 930 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
 931 #define SONYPI_MEYE_MASK                        0x00000400
 932 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
 933 #define SONYPI_BATTERY_MASK                     0x00001000
 934 #define SONYPI_WIRELESS_MASK                    0x00002000
 935
 936 struct sonypi_event {
 937         u8      data;
 938         u8      event;
 939 };
 940
 941 /* The set of possible button release events */
 942 static struct sonypi_event sonypi_releaseev[] = {
 943         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 944         { 0, 0 }
 945 };
 946
 947 /* The set of possible jogger events  */
 948 static struct sonypi_event sonypi_joggerev[] = {
 949         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 950         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 951         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 952         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 953         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 954         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 955         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 956         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 957         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 958         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 959         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 960         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 961         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 962         { 0, 0 }
 963 };
 964
 965 /* The set of possible capture button events */
 966 static struct sonypi_event sonypi_captureev[] = {
 967         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 968         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 969         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 970         { 0, 0 }
 971 };
 972
 973 /* The set of possible fnkeys events */
 974 static struct sonypi_event sonypi_fnkeyev[] = {
 975         { 0x10, SONYPI_EVENT_FNKEY_ESC },
 976         { 0x11, SONYPI_EVENT_FNKEY_F1 },
 977         { 0x12, SONYPI_EVENT_FNKEY_F2 },
 978         { 0x13, SONYPI_EVENT_FNKEY_F3 },
 979         { 0x14, SONYPI_EVENT_FNKEY_F4 },
 980         { 0x15, SONYPI_EVENT_FNKEY_F5 },
 981         { 0x16, SONYPI_EVENT_FNKEY_F6 },
 982         { 0x17, SONYPI_EVENT_FNKEY_F7 },
 983         { 0x18, SONYPI_EVENT_FNKEY_F8 },
 984         { 0x19, SONYPI_EVENT_FNKEY_F9 },
 985         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
 986         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
 987         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
 988         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 989         { 0x21, SONYPI_EVENT_FNKEY_1 },
 990         { 0x22, SONYPI_EVENT_FNKEY_2 },
 991         { 0x31, SONYPI_EVENT_FNKEY_D },
 992         { 0x32, SONYPI_EVENT_FNKEY_E },
 993         { 0x33, SONYPI_EVENT_FNKEY_F },
 994         { 0x34, SONYPI_EVENT_FNKEY_S },
 995         { 0x35, SONYPI_EVENT_FNKEY_B },
 996         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
 997         { 0, 0 }
 998 };
 999
1000 /* The set of possible program key events */
1001 static struct sonypi_event sonypi_pkeyev[] = {
1002         { 0x01, SONYPI_EVENT_PKEY_P1 },
1003         { 0x02, SONYPI_EVENT_PKEY_P2 },
1004         { 0x04, SONYPI_EVENT_PKEY_P3 },
1005         { 0x5c, SONYPI_EVENT_PKEY_P1 },
1006         { 0, 0 }
1007 };
1008
1009 /* The set of possible bluetooth events */
1010 static struct sonypi_event sonypi_blueev[] = {
1011         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1012         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1013         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1014         { 0, 0 }
1015 };
1016
1017 /* The set of possible wireless events */
1018 static struct sonypi_event sonypi_wlessev[] = {
1019         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1020         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1021         { 0, 0 }
1022 };
1023
1024 /* The set of possible back button events */
1025 static struct sonypi_event sonypi_backev[] = {
1026         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1027         { 0, 0 }
1028 };
1029
1030 /* The set of possible help button events */
1031 static struct sonypi_event sonypi_helpev[] = {
1032         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1033         { 0, 0 }
1034 };
1035
1036
1037 /* The set of possible lid events */
1038 static struct sonypi_event sonypi_lidev[] = {
1039         { 0x51, SONYPI_EVENT_LID_CLOSED },
1040         { 0x50, SONYPI_EVENT_LID_OPENED },
1041         { 0, 0 }
1042 };
1043
1044 /* The set of possible zoom events */
1045 static struct sonypi_event sonypi_zoomev[] = {
1046         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1047         { 0, 0 }
1048 };
1049
1050 /* The set of possible thumbphrase events */
1051 static struct sonypi_event sonypi_thumbphraseev[] = {
1052         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1053         { 0, 0 }
1054 };
1055
1056 /* The set of possible motioneye camera events */
1057 static struct sonypi_event sonypi_meyeev[] = {
1058         { 0x00, SONYPI_EVENT_MEYE_FACE },
1059         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1060         { 0, 0 }
1061 };
1062
1063 /* The set of possible memorystick events */
1064 static struct sonypi_event sonypi_memorystickev[] = {
1065         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1066         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1067         { 0, 0 }
1068 };
1069
1070 /* The set of possible battery events */
1071 static struct sonypi_event sonypi_batteryev[] = {
1072         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1073         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1074         { 0, 0 }
1075 };
1076
1077 static struct sonypi_eventtypes {
1078         int                     model;
1079         u8                      data;
1080         unsigned long           mask;
1081         struct sonypi_event *   events;
1082 } sony_pic_eventtypes[] = {
1083         { SONYPI_DEVICE_TYPE1, 0, 0xffffffff, sonypi_releaseev },
1084         { SONYPI_DEVICE_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1085         { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
1086         { SONYPI_DEVICE_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1087         { SONYPI_DEVICE_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1088         { SONYPI_DEVICE_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1089         { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1090         { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1091         { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1092         { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1093
1094         { SONYPI_DEVICE_TYPE2, 0, 0xffffffff, sonypi_releaseev },
1095         { SONYPI_DEVICE_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
1096         { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1097         { SONYPI_DEVICE_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1098         { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1099         { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1100         { SONYPI_DEVICE_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1101         { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
1102         { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1103         { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1104         { SONYPI_DEVICE_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1105         { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1106         { SONYPI_DEVICE_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1107         { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1108
1109         { SONYPI_DEVICE_TYPE3, 0, 0xffffffff, sonypi_releaseev },
1110         { SONYPI_DEVICE_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1111         { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1112         { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1113         { SONYPI_DEVICE_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1114         { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1115         { 0 }
1116 };
1117
1118 static int sony_pic_detect_device_type(void)
1119 {
1120         struct pci_dev *pcidev;
1121         int model = 0;
1122
1123         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1124                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1125                 model = SONYPI_DEVICE_TYPE1;
1126
1127         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1128                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1129                 model = SONYPI_DEVICE_TYPE3;
1130
1131         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1132                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1133                 model = SONYPI_DEVICE_TYPE3;
1134
1135         else
1136                 model = SONYPI_DEVICE_TYPE2;
1137
1138         if (pcidev)
1139                 pci_dev_put(pcidev);
1140
1141         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1142                         model == SONYPI_DEVICE_TYPE1 ? 1 :
1143                         model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1144         return model;
1145 }
1146
1147 #define ITERATIONS_LONG         10000
1148 #define ITERATIONS_SHORT        10
1149 #define wait_on_command(command, iterations) {                          \
1150         unsigned int n = iterations;                                    \
1151         while (--n && (command))                                        \
1152                 udelay(1);                                              \
1153         if (!n)                                                         \
1154                 dprintk("command failed at %s : %s (line %d)\n",        \
1155                                 __FILE__, __FUNCTION__, __LINE__);      \
1156 }
1157
1158 static u8 sony_pic_call1(u8 dev)
1159 {
1160         u8 v1, v2;
1161
1162         wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1163                         ITERATIONS_LONG);
1164         outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1165         v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4);
1166         v2 = inb_p(spic_dev.cur_ioport->io.minimum);
1167         dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1);
1168         return v2;
1169 }
1170
1171 static u8 sony_pic_call2(u8 dev, u8 fn)
1172 {
1173         u8 v1;
1174
1175         wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1176                         ITERATIONS_LONG);
1177         outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1178         wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1179                         ITERATIONS_LONG);
1180         outb(fn, spic_dev.cur_ioport->io.minimum);
1181         v1 = inb_p(spic_dev.cur_ioport->io.minimum);
1182         dprintk("sony_pic_call2: 0x%.4x\n", v1);
1183         return v1;
1184 }
1185
1186 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1187 {
1188         u8 v1;
1189
1190         wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1191         outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1192         wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1193         outb(fn, spic_dev.cur_ioport->io.minimum);
1194         wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1195         outb(v, spic_dev.cur_ioport->io.minimum);
1196         v1 = inb_p(spic_dev.cur_ioport->io.minimum);
1197         dprintk("sony_pic_call3: 0x%.4x\n", v1);
1198         return v1;
1199 }
1200
1201 /* camera tests and poweron/poweroff */
1202 #define SONYPI_CAMERA_PICTURE           5
1203 #define SONYPI_CAMERA_MUTE_MASK         0x40
1204 #define SONYPI_CAMERA_CONTROL           0x10
1205 #define SONYPI_CAMERA_STATUS            7
1206 #define SONYPI_CAMERA_STATUS_READY      0x2
1207 #define SONYPI_CAMERA_STATUS_POSITION   0x4
1208
1209 static int sony_pic_camera_ready(void)
1210 {
1211         u8 v;
1212
1213         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1214         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1215 }
1216
1217 static void sony_pic_camera_off(void)
1218 {
1219         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1220                                 SONYPI_CAMERA_MUTE_MASK),
1221                         ITERATIONS_SHORT);
1222
1223         if (!spic_dev.camera_power)
1224                 return;
1225
1226         sony_pic_call2(0x91, 0);
1227         spic_dev.camera_power = 0;
1228 }
1229
1230 static void sony_pic_camera_on(void)
1231 {
1232         int i, j;
1233
1234         if (spic_dev.camera_power)
1235                 return;
1236
1237         for (j = 5; j > 0; j--) {
1238
1239                 while (sony_pic_call2(0x91, 0x1))
1240                         msleep(10);
1241                 sony_pic_call1(0x93);
1242
1243                 for (i = 400; i > 0; i--) {
1244                         if (sony_pic_camera_ready())
1245                                 break;
1246                         msleep(10);
1247                 }
1248                 if (i)
1249                         break;
1250         }
1251
1252         if (j == 0) {
1253                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
1254                 return;
1255         }
1256
1257         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1258                                 0x5a),
1259                         ITERATIONS_SHORT);
1260
1261         spic_dev.camera_power = 1;
1262 }
1263
1264 static ssize_t sony_pic_camerapower_store(struct device *dev,
1265                 struct device_attribute *attr,
1266                 const char *buffer, size_t count)
1267 {
1268         unsigned long value;
1269         if (count > 31)
1270                 return -EINVAL;
1271
1272         value = simple_strtoul(buffer, NULL, 10);
1273         if (value)
1274                 sony_pic_camera_on();
1275         else
1276                 sony_pic_camera_off();
1277
1278         return count;
1279 }
1280
1281 static ssize_t sony_pic_camerapower_show(struct device *dev,
1282                 struct device_attribute *attr, char *buffer)
1283 {
1284         return snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.camera_power);
1285 }
1286
1287 /* bluetooth subsystem power state */
1288 static void sony_pic_set_bluetoothpower(u8 state)
1289 {
1290         state = !!state;
1291         if (spic_dev.bluetooth_power == state)
1292                 return;
1293         sony_pic_call2(0x96, state);
1294         sony_pic_call1(0x82);
1295         spic_dev.bluetooth_power = state;
1296 }
1297
1298 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1299                 struct device_attribute *attr,
1300                 const char *buffer, size_t count)
1301 {
1302         unsigned long value;
1303         if (count > 31)
1304                 return -EINVAL;
1305
1306         value = simple_strtoul(buffer, NULL, 10);
1307         sony_pic_set_bluetoothpower(value);
1308
1309         return count;
1310 }
1311
1312 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1313                 struct device_attribute *attr, char *buffer)
1314 {
1315         return snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
1316 }
1317
1318 /* fan speed */
1319 /* FAN0 information (reverse engineered from ACPI tables) */
1320 #define SONY_PIC_FAN0_STATUS    0x93
1321 static ssize_t sony_pic_fanspeed_store(struct device *dev,
1322                 struct device_attribute *attr,
1323                 const char *buffer, size_t count)
1324 {
1325         unsigned long value;
1326         if (count > 31)
1327                 return -EINVAL;
1328
1329         value = simple_strtoul(buffer, NULL, 10);
1330         if (ec_write(SONY_PIC_FAN0_STATUS, value))
1331                 return -EIO;
1332
1333         return count;
1334 }
1335
1336 static ssize_t sony_pic_fanspeed_show(struct device *dev,
1337                 struct device_attribute *attr, char *buffer)
1338 {
1339         u8 value = 0;
1340         if (ec_read(SONY_PIC_FAN0_STATUS, &value))
1341                 return -EIO;
1342
1343         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
1344 }
1345
1346 #define SPIC_ATTR(_name, _mode)                                 \
1347 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
1348                 _mode, sony_pic_## _name ##_show,               \
1349                 sony_pic_## _name ##_store)
1350
1351 static SPIC_ATTR(camerapower, 0644);
1352 static SPIC_ATTR(bluetoothpower, 0644);
1353 static SPIC_ATTR(fanspeed, 0644);
1354
1355 static struct attribute *spic_attributes[] = {
1356         &spic_attr_camerapower.attr,
1357         &spic_attr_bluetoothpower.attr,
1358         &spic_attr_fanspeed.attr,
1359         NULL
1360 };
1361
1362 static struct attribute_group spic_attribute_group = {
1363         .attrs = spic_attributes
1364 };
1365
1366 /*
1367  * ACPI callbacks
1368  */
1369 static acpi_status
1370 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
1371 {
1372         u32 i;
1373         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
1374
1375         switch (resource->type) {
1376         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
1377         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
1378                 return AE_OK;
1379
1380         case ACPI_RESOURCE_TYPE_IRQ:
1381                 {
1382                         struct acpi_resource_irq *p = &resource->data.irq;
1383                         struct sony_pic_irq *interrupt = NULL;
1384                         if (!p || !p->interrupt_count) {
1385                                 /*
1386                                  * IRQ descriptors may have no IRQ# bits set,
1387                                  * particularly those those w/ _STA disabled
1388                                  */
1389                                 dprintk("Blank IRQ resource\n");
1390                                 return AE_OK;
1391                         }
1392                         for (i = 0; i < p->interrupt_count; i++) {
1393                                 if (!p->interrupts[i]) {
1394                                         printk(KERN_WARNING DRV_PFX
1395                                                         "Invalid IRQ %d\n",
1396                                                         p->interrupts[i]);
1397                                         continue;
1398                                 }
1399                                 interrupt = kzalloc(sizeof(*interrupt),
1400                                                 GFP_KERNEL);
1401                                 if (!interrupt)
1402                                         return AE_ERROR;
1403
1404                                 list_add(&interrupt->list, &dev->interrupts);
1405                                 interrupt->irq.triggering = p->triggering;
1406                                 interrupt->irq.polarity = p->polarity;
1407                                 interrupt->irq.sharable = p->sharable;
1408                                 interrupt->irq.interrupt_count = 1;
1409                                 interrupt->irq.interrupts[0] = p->interrupts[i];
1410                         }
1411                         return AE_OK;
1412                 }
1413         case ACPI_RESOURCE_TYPE_IO:
1414                 {
1415                         struct acpi_resource_io *io = &resource->data.io;
1416                         struct sony_pic_ioport *ioport = NULL;
1417                         if (!io) {
1418                                 dprintk("Blank IO resource\n");
1419                                 return AE_OK;
1420                         }
1421
1422                         ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
1423                         if (!ioport)
1424                                 return AE_ERROR;
1425
1426                         list_add(&ioport->list, &dev->ioports);
1427                         memcpy(&ioport->io, io, sizeof(*io));
1428                         return AE_OK;
1429                 }
1430         default:
1431                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
1432                                 resource->type);
1433
1434         case ACPI_RESOURCE_TYPE_END_TAG:
1435                 return AE_OK;
1436         }
1437         return AE_CTRL_TERMINATE;
1438 }
1439
1440 static int sony_pic_possible_resources(struct acpi_device *device)
1441 {
1442         int result = 0;
1443         acpi_status status = AE_OK;
1444
1445         if (!device)
1446                 return -EINVAL;
1447
1448         /* get device status */
1449         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
1450         dprintk("Evaluating _STA\n");
1451         result = acpi_bus_get_status(device);
1452         if (result) {
1453                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
1454                 goto end;
1455         }
1456
1457         if (!device->status.enabled)
1458                 dprintk("Device disabled\n");
1459         else
1460                 dprintk("Device enabled\n");
1461
1462         /*
1463          * Query and parse 'method'
1464          */
1465         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
1466         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
1467                         sony_pic_read_possible_resource, &spic_dev);
1468         if (ACPI_FAILURE(status)) {
1469                 printk(KERN_WARNING DRV_PFX
1470                                 "Failure evaluating %s\n",
1471                                 METHOD_NAME__PRS);
1472                 result = -ENODEV;
1473         }
1474 end:
1475         return result;
1476 }
1477
1478 /*
1479  *  Disable the spic device by calling its _DIS method
1480  */
1481 static int sony_pic_disable(struct acpi_device *device)
1482 {
1483         if (ACPI_FAILURE(acpi_evaluate_object(device->handle, "_DIS", 0, NULL)))
1484                 return -ENXIO;
1485
1486         dprintk("Device disabled\n");
1487         return 0;
1488 }
1489
1490
1491 /*
1492  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
1493  *
1494  *  Call _SRS to set current resources
1495  */
1496 static int sony_pic_enable(struct acpi_device *device,
1497                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
1498 {
1499         acpi_status status;
1500         int result = 0;
1501         struct {
1502                 struct acpi_resource io_res;
1503                 struct acpi_resource irq_res;
1504                 struct acpi_resource end;
1505         } *resource;
1506         struct acpi_buffer buffer = { 0, NULL };
1507
1508         if (!ioport || !irq)
1509                 return -EINVAL;
1510
1511         /* init acpi_buffer */
1512         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
1513         if (!resource)
1514                 return -ENOMEM;
1515
1516         buffer.length = sizeof(*resource) + 1;
1517         buffer.pointer = resource;
1518
1519         /* setup io resource */
1520         resource->io_res.type = ACPI_RESOURCE_TYPE_IO;
1521         resource->io_res.length = sizeof(struct acpi_resource);
1522         memcpy(&resource->io_res.data.io, &ioport->io,
1523                         sizeof(struct acpi_resource_io));
1524
1525         /* setup irq resource */
1526         resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ;
1527         resource->irq_res.length = sizeof(struct acpi_resource);
1528         memcpy(&resource->irq_res.data.irq, &irq->irq,
1529                         sizeof(struct acpi_resource_irq));
1530         /* we requested a shared irq */
1531         resource->irq_res.data.irq.sharable = ACPI_SHARED;
1532
1533         resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
1534
1535         /* Attempt to set the resource */
1536         dprintk("Evaluating _SRS\n");
1537         status = acpi_set_current_resources(device->handle, &buffer);
1538
1539         /* check for total failure */
1540         if (ACPI_FAILURE(status)) {
1541                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS");
1542                 result = -ENODEV;
1543                 goto end;
1544         }
1545
1546         /* Necessary device initializations calls (from sonypi) */
1547         sony_pic_call1(0x82);
1548         sony_pic_call2(0x81, 0xff);
1549         sony_pic_call1(compat ? 0x92 : 0x82);
1550
1551 end:
1552         kfree(resource);
1553         return result;
1554 }
1555
1556 /*****************
1557  *
1558  * ISR: some event is available
1559  *
1560  *****************/
1561 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
1562 {
1563         int i, j;
1564         u32 port_val = 0;
1565         u8 ev = 0;
1566         u8 data_mask = 0;
1567         u8 device_event = 0;
1568
1569         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
1570
1571         acpi_os_read_port(dev->cur_ioport->io.minimum, &port_val,
1572                         dev->cur_ioport->io.address_length);
1573         ev = port_val & SONY_PIC_EV_MASK;
1574         data_mask = 0xff & (port_val >> (dev->cur_ioport->io.address_length - 8));
1575
1576         dprintk("event (0x%.8x [%.2x] [%.2x]) at port 0x%.4x\n",
1577                         port_val, ev, data_mask, dev->cur_ioport->io.minimum);
1578
1579         if (ev == 0x00 || ev == 0xff)
1580                 return IRQ_HANDLED;
1581
1582         for (i = 0; sony_pic_eventtypes[i].model; i++) {
1583
1584                 if (spic_dev.model != sony_pic_eventtypes[i].model)
1585                         continue;
1586
1587                 if ((data_mask & sony_pic_eventtypes[i].data) !=
1588                     sony_pic_eventtypes[i].data)
1589                         continue;
1590
1591                 if (!(mask & sony_pic_eventtypes[i].mask))
1592                         continue;
1593
1594                 for (j = 0; sony_pic_eventtypes[i].events[j].event; j++) {
1595                         if (ev == sony_pic_eventtypes[i].events[j].data) {
1596                                 device_event =
1597                                         sony_pic_eventtypes[i].events[j].event;
1598                                 goto found;
1599                         }
1600                 }
1601         }
1602         return IRQ_HANDLED;
1603
1604 found:
1605         sony_laptop_report_input_event(device_event);
1606         acpi_bus_generate_event(spic_dev.acpi_dev, 1, device_event);
1607
1608         return IRQ_HANDLED;
1609 }
1610
1611 /*****************
1612  *
1613  *  ACPI driver
1614  *
1615  *****************/
1616 static int sony_pic_remove(struct acpi_device *device, int type)
1617 {
1618         struct sony_pic_ioport *io, *tmp_io;
1619         struct sony_pic_irq *irq, *tmp_irq;
1620
1621         if (sony_pic_disable(device)) {
1622                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
1623                 return -ENXIO;
1624         }
1625
1626         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
1627         release_region(spic_dev.cur_ioport->io.minimum,
1628                         spic_dev.cur_ioport->io.address_length);
1629
1630         sony_laptop_remove_input();
1631
1632         /* pf attrs */
1633         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
1634         sony_pf_remove();
1635
1636         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
1637                 list_del(&io->list);
1638                 kfree(io);
1639         }
1640         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
1641                 list_del(&irq->list);
1642                 kfree(irq);
1643         }
1644         spic_dev.cur_ioport = NULL;
1645         spic_dev.cur_irq = NULL;
1646
1647         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
1648         return 0;
1649 }
1650
1651 static int sony_pic_add(struct acpi_device *device)
1652 {
1653         int result;
1654         struct sony_pic_ioport *io, *tmp_io;
1655         struct sony_pic_irq *irq, *tmp_irq;
1656
1657         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1658                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1659
1660         spic_dev.acpi_dev = device;
1661         strcpy(acpi_device_class(device), "sony/hotkey");
1662         spic_dev.model = sony_pic_detect_device_type();
1663
1664         /* read _PRS resources */
1665         result = sony_pic_possible_resources(device);
1666         if (result) {
1667                 printk(KERN_ERR DRV_PFX
1668                                 "Unabe to read possible resources.\n");
1669                 goto err_free_resources;
1670         }
1671
1672         /* setup input devices and helper fifo */
1673         result = sony_laptop_setup_input();
1674         if (result) {
1675                 printk(KERN_ERR DRV_PFX
1676                                 "Unabe to create input devices.\n");
1677                 goto err_free_resources;
1678         }
1679
1680         /* request io port */
1681         list_for_each_entry(io, &spic_dev.ioports, list) {
1682                 if (request_region(io->io.minimum, io->io.address_length,
1683                                         "Sony Programable I/O Device")) {
1684                         dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n",
1685                                         io->io.minimum, io->io.maximum,
1686                                         io->io.address_length);
1687                         spic_dev.cur_ioport = io;
1688                         break;
1689                 }
1690         }
1691         if (!spic_dev.cur_ioport) {
1692                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
1693                 result = -ENODEV;
1694                 goto err_remove_input;
1695         }
1696
1697         /* request IRQ */
1698         list_for_each_entry(irq, &spic_dev.interrupts, list) {
1699                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
1700                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
1701                         dprintk("IRQ: %d - triggering: %d - "
1702                                         "polarity: %d - shr: %d\n",
1703                                         irq->irq.interrupts[0],
1704                                         irq->irq.triggering,
1705                                         irq->irq.polarity,
1706                                         irq->irq.sharable);
1707                         spic_dev.cur_irq = irq;
1708                         break;
1709                 }
1710         }
1711         if (!spic_dev.cur_irq) {
1712                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
1713                 result = -ENODEV;
1714                 goto err_release_region;
1715         }
1716
1717         /* set resource status _SRS */
1718         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
1719         if (result) {
1720                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
1721                 goto err_free_irq;
1722         }
1723
1724         spic_dev.bluetooth_power = -1;
1725         /* create device attributes */
1726         result = sony_pf_add();
1727         if (result)
1728                 goto err_disable_device;
1729
1730         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
1731         if (result)
1732                 goto err_remove_pf;
1733
1734         return 0;
1735
1736 err_remove_pf:
1737         sony_pf_remove();
1738
1739 err_disable_device:
1740         sony_pic_disable(device);
1741
1742 err_free_irq:
1743         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
1744
1745 err_release_region:
1746         release_region(spic_dev.cur_ioport->io.minimum,
1747                         spic_dev.cur_ioport->io.address_length);
1748
1749 err_remove_input:
1750         sony_laptop_remove_input();
1751
1752 err_free_resources:
1753         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
1754                 list_del(&io->list);
1755                 kfree(io);
1756         }
1757         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
1758                 list_del(&irq->list);
1759                 kfree(irq);
1760         }
1761         spic_dev.cur_ioport = NULL;
1762         spic_dev.cur_irq = NULL;
1763
1764         return result;
1765 }
1766
1767 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
1768 {
1769         if (sony_pic_disable(device))
1770                 return -ENXIO;
1771         return 0;
1772 }
1773
1774 static int sony_pic_resume(struct acpi_device *device)
1775 {
1776         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
1777         return 0;
1778 }
1779
1780 static struct acpi_driver sony_pic_driver = {
1781         .name = SONY_PIC_DRIVER_NAME,
1782         .class = SONY_PIC_CLASS,
1783         .ids = SONY_PIC_HID,
1784         .owner = THIS_MODULE,
1785         .ops = {
1786                 .add = sony_pic_add,
1787                 .remove = sony_pic_remove,
1788                 .suspend = sony_pic_suspend,
1789                 .resume = sony_pic_resume,
1790                 },
1791 };
1792
1793 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1794         {
1795                 .ident = "Sony Vaio",
1796                 .matches = {
1797                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1798                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1799                 },
1800         },
1801         {
1802                 .ident = "Sony Vaio",
1803                 .matches = {
1804                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1805                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1806                 },
1807         },
1808         { }
1809 };
1810
1811 static int __init sony_laptop_init(void)
1812 {
1813         int result;
1814
1815         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
1816                 result = acpi_bus_register_driver(&sony_pic_driver);
1817                 if (result) {
1818                         printk(KERN_ERR DRV_PFX
1819                                         "Unable to register SPIC driver.");
1820                         goto out;
1821                 }
1822         }
1823
1824         result = acpi_bus_register_driver(&sony_nc_driver);
1825         if (result) {
1826                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
1827                 goto out_unregister_pic;
1828         }
1829
1830         return 0;
1831
1832 out_unregister_pic:
1833         if (!no_spic)
1834                 acpi_bus_unregister_driver(&sony_pic_driver);
1835 out:
1836         return result;
1837 }
1838
1839 static void __exit sony_laptop_exit(void)
1840 {
1841         acpi_bus_unregister_driver(&sony_nc_driver);
1842         if (!no_spic)
1843                 acpi_bus_unregister_driver(&sony_pic_driver);
1844 }
1845
1846 module_init(sony_laptop_init);
1847 module_exit(sony_laptop_exit);