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

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #include <linux/kernel.h>
  46 #include <linux/module.h>
  47 #include <linux/moduleparam.h>
  48 #include <linux/init.h>
  49 #include <linux/smp_lock.h>
  50 #include <linux/types.h>
  51 #include <linux/backlight.h>
  52 #include <linux/platform_device.h>
  53 #include <linux/err.h>
  54 #include <linux/dmi.h>
  55 #include <linux/pci.h>
  56 #include <linux/interrupt.h>
  57 #include <linux/delay.h>
  58 #include <linux/input.h>
  59 #include <linux/kfifo.h>
  60 #include <linux/workqueue.h>
  61 #include <linux/acpi.h>
  62 #include <acpi/acpi_drivers.h>
  63 #include <acpi/acpi_bus.h>
  64 #include <asm/uaccess.h>
  65 #include <linux/sonypi.h>
  66 #include <linux/sony-laptop.h>
  67 #include <linux/rfkill.h>
  68 #ifdef CONFIG_SONYPI_COMPAT
  69 #include <linux/poll.h>
  70 #include <linux/miscdevice.h>
  71 #endif
  72
  73 #define DRV_PFX                 "sony-laptop: "
  74 #define dprintk(msg...)         do {                    \
  75         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
  76 } while (0)
  77
  78 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  79
  80 #define SONY_NC_CLASS           "sony-nc"
  81 #define SONY_NC_HID             "SNY5001"
  82 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  83
  84 #define SONY_PIC_CLASS          "sony-pic"
  85 #define SONY_PIC_HID            "SNY6001"
  86 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  87
  88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  90 MODULE_LICENSE("GPL");
  91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  92
  93 static int debug;
  94 module_param(debug, int, 0);
  95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  96                  "the development of this driver");
  97
  98 static int no_spic;             /* = 0 */
  99 module_param(no_spic, int, 0444);
 100 MODULE_PARM_DESC(no_spic,
 101                  "set this if you don't want to enable the SPIC device");
 102
 103 static int compat;              /* = 0 */
 104 module_param(compat, int, 0444);
 105 MODULE_PARM_DESC(compat,
 106                  "set this if you want to enable backward compatibility mode");
 107
 108 static unsigned long mask = 0xffffffff;
 109 module_param(mask, ulong, 0644);
 110 MODULE_PARM_DESC(mask,
 111                  "set this to the mask of event you want to enable (see doc)");
 112
 113 static int camera;              /* = 0 */
 114 module_param(camera, int, 0444);
 115 MODULE_PARM_DESC(camera,
 116                  "set this to 1 to enable Motion Eye camera controls "
 117                  "(only use it if you have a C1VE or C1VN model)");
 118
 119 #ifdef CONFIG_SONYPI_COMPAT
 120 static int minor = -1;
 121 module_param(minor, int, 0);
 122 MODULE_PARM_DESC(minor,
 123                  "minor number of the misc device for the SPIC compatibility code, "
 124                  "default is -1 (automatic)");
 125 #endif
 126
 127 enum sony_nc_rfkill {
 128         SONY_WIFI,
 129         SONY_BLUETOOTH,
 130         SONY_WWAN,
 131         SONY_WIMAX,
 132         SONY_RFKILL_MAX,
 133 };
 134
 135 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
 136 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
 137 static void sony_nc_rfkill_update(void);
 138
 139 /*********** Input Devices ***********/
 140
 141 #define SONY_LAPTOP_BUF_SIZE    128
 142 struct sony_laptop_input_s {
 143         atomic_t                users;
 144         struct input_dev        *jog_dev;
 145         struct input_dev        *key_dev;
 146         struct kfifo            *fifo;
 147         spinlock_t              fifo_lock;
 148         struct workqueue_struct *wq;
 149 };
 150
 151 static struct sony_laptop_input_s sony_laptop_input = {
 152         .users = ATOMIC_INIT(0),
 153 };
 154
 155 struct sony_laptop_keypress {
 156         struct input_dev *dev;
 157         int key;
 158 };
 159
 160 /* Correspondance table between sonypi events
 161  * and input layer indexes in the keymap
 162  */
 163 static int sony_laptop_input_index[] = {
 164         -1,     /*  0 no event */
 165         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 166         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 167         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 168         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 169         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 170         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 171          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 172          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 173          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 174          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 175          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 176          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 177          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 178          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 179          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 180          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 181         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 182         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 183         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 184         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 185         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 186         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 187         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 188         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 189         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 190         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 191         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 192         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 193         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 194         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 195         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 196         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 197         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 198         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 199         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 200         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 201         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 202         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 203         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 204         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 205         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 206         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 207         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 208         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 209         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 210         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 211         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 212         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 213         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 214         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 215         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 216         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 217         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 218         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 219         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 220         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 221         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 222         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 223         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 224         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 225         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 226         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 227         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 228         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 229         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 230         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 231         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 232         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 233         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 234         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 235         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 236 };
 237
 238 static int sony_laptop_input_keycode_map[] = {
 239         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 240         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 241         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 242         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 243         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 244         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 245         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 246         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 247         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 248         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 249         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 250         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 251         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 252         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 253         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 254         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 255         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 256         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 257         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 258         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 259         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 260         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 261         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 262         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 263         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 264         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 265         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 266         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 267         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 268         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 269         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 270         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 271         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 272         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 273         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 274         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 275         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 276         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 277         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 278         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 279         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 280         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 281         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 282         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 283         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 284         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 285         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 286         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 287         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 288         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 289         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 290         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 291         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 292         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 293         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 294         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 295         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 296         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 297 };
 298
 299 /* release buttons after a short delay if pressed */
 300 static void do_sony_laptop_release_key(struct work_struct *work)
 301 {
 302         struct sony_laptop_keypress kp;
 303
 304         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
 305                          sizeof(kp)) == sizeof(kp)) {
 306                 msleep(10);
 307                 input_report_key(kp.dev, kp.key, 0);
 308                 input_sync(kp.dev);
 309         }
 310 }
 311 static DECLARE_WORK(sony_laptop_release_key_work,
 312                 do_sony_laptop_release_key);
 313
 314 /* forward event to the input subsystem */
 315 static void sony_laptop_report_input_event(u8 event)
 316 {
 317         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 318         struct input_dev *key_dev = sony_laptop_input.key_dev;
 319         struct sony_laptop_keypress kp = { NULL };
 320
 321         if (event == SONYPI_EVENT_FNKEY_RELEASED) {
 322                 /* Nothing, not all VAIOs generate this event */
 323                 return;
 324         }
 325
 326         /* report events */
 327         switch (event) {
 328         /* jog_dev events */
 329         case SONYPI_EVENT_JOGDIAL_UP:
 330         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 331                 input_report_rel(jog_dev, REL_WHEEL, 1);
 332                 input_sync(jog_dev);
 333                 return;
 334
 335         case SONYPI_EVENT_JOGDIAL_DOWN:
 336         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 337                 input_report_rel(jog_dev, REL_WHEEL, -1);
 338                 input_sync(jog_dev);
 339                 return;
 340
 341         /* key_dev events */
 342         case SONYPI_EVENT_JOGDIAL_PRESSED:
 343                 kp.key = BTN_MIDDLE;
 344                 kp.dev = jog_dev;
 345                 break;
 346
 347         default:
 348                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 349                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 350                         break;
 351                 }
 352                 if (sony_laptop_input_index[event] != -1) {
 353                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
 354                         if (kp.key != KEY_UNKNOWN)
 355                                 kp.dev = key_dev;
 356                 }
 357                 break;
 358         }
 359
 360         if (kp.dev) {
 361                 input_report_key(kp.dev, kp.key, 1);
 362                 /* we emit the scancode so we can always remap the key */
 363                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 364                 input_sync(kp.dev);
 365                 kfifo_put(sony_laptop_input.fifo,
 366                           (unsigned char *)&kp, sizeof(kp));
 367
 368                 if (!work_pending(&sony_laptop_release_key_work))
 369                         queue_work(sony_laptop_input.wq,
 370                                         &sony_laptop_release_key_work);
 371         } else
 372                 dprintk("unknown input event %.2x\n", event);
 373 }
 374
 375 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 376 {
 377         struct input_dev *jog_dev;
 378         struct input_dev *key_dev;
 379         int i;
 380         int error;
 381
 382         /* don't run again if already initialized */
 383         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 384                 return 0;
 385
 386         /* kfifo */
 387         spin_lock_init(&sony_laptop_input.fifo_lock);
 388         sony_laptop_input.fifo =
 389                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
 390                             &sony_laptop_input.fifo_lock);
 391         if (IS_ERR(sony_laptop_input.fifo)) {
 392                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 393                 error = PTR_ERR(sony_laptop_input.fifo);
 394                 goto err_dec_users;
 395         }
 396
 397         /* init workqueue */
 398         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
 399         if (!sony_laptop_input.wq) {
 400                 printk(KERN_ERR DRV_PFX
 401                                 "Unabe to create workqueue.\n");
 402                 error = -ENXIO;
 403                 goto err_free_kfifo;
 404         }
 405
 406         /* input keys */
 407         key_dev = input_allocate_device();
 408         if (!key_dev) {
 409                 error = -ENOMEM;
 410                 goto err_destroy_wq;
 411         }
 412
 413         key_dev->name = "Sony Vaio Keys";
 414         key_dev->id.bustype = BUS_ISA;
 415         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 416         key_dev->dev.parent = &acpi_device->dev;
 417
 418         /* Initialize the Input Drivers: special keys */
 419         set_bit(EV_KEY, key_dev->evbit);
 420         set_bit(EV_MSC, key_dev->evbit);
 421         set_bit(MSC_SCAN, key_dev->mscbit);
 422         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 423         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 424         key_dev->keycode = &sony_laptop_input_keycode_map;
 425         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
 426                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
 427                         set_bit(sony_laptop_input_keycode_map[i],
 428                                 key_dev->keybit);
 429                 }
 430         }
 431
 432         error = input_register_device(key_dev);
 433         if (error)
 434                 goto err_free_keydev;
 435
 436         sony_laptop_input.key_dev = key_dev;
 437
 438         /* jogdial */
 439         jog_dev = input_allocate_device();
 440         if (!jog_dev) {
 441                 error = -ENOMEM;
 442                 goto err_unregister_keydev;
 443         }
 444
 445         jog_dev->name = "Sony Vaio Jogdial";
 446         jog_dev->id.bustype = BUS_ISA;
 447         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 448         key_dev->dev.parent = &acpi_device->dev;
 449
 450         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 451         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
 452         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
 453
 454         error = input_register_device(jog_dev);
 455         if (error)
 456                 goto err_free_jogdev;
 457
 458         sony_laptop_input.jog_dev = jog_dev;
 459
 460         return 0;
 461
 462 err_free_jogdev:
 463         input_free_device(jog_dev);
 464
 465 err_unregister_keydev:
 466         input_unregister_device(key_dev);
 467         /* to avoid kref underflow below at input_free_device */
 468         key_dev = NULL;
 469
 470 err_free_keydev:
 471         input_free_device(key_dev);
 472
 473 err_destroy_wq:
 474         destroy_workqueue(sony_laptop_input.wq);
 475
 476 err_free_kfifo:
 477         kfifo_free(sony_laptop_input.fifo);
 478
 479 err_dec_users:
 480         atomic_dec(&sony_laptop_input.users);
 481         return error;
 482 }
 483
 484 static void sony_laptop_remove_input(void)
 485 {
 486         /* cleanup only after the last user has gone */
 487         if (!atomic_dec_and_test(&sony_laptop_input.users))
 488                 return;
 489
 490         /* flush workqueue first */
 491         flush_workqueue(sony_laptop_input.wq);
 492
 493         /* destroy input devs */
 494         input_unregister_device(sony_laptop_input.key_dev);
 495         sony_laptop_input.key_dev = NULL;
 496
 497         if (sony_laptop_input.jog_dev) {
 498                 input_unregister_device(sony_laptop_input.jog_dev);
 499                 sony_laptop_input.jog_dev = NULL;
 500         }
 501
 502         destroy_workqueue(sony_laptop_input.wq);
 503         kfifo_free(sony_laptop_input.fifo);
 504 }
 505
 506 /*********** Platform Device ***********/
 507
 508 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 509 static struct platform_driver sony_pf_driver = {
 510         .driver = {
 511                    .name = "sony-laptop",
 512                    .owner = THIS_MODULE,
 513                    }
 514 };
 515 static struct platform_device *sony_pf_device;
 516
 517 static int sony_pf_add(void)
 518 {
 519         int ret = 0;
 520
 521         /* don't run again if already initialized */
 522         if (atomic_add_return(1, &sony_pf_users) > 1)
 523                 return 0;
 524
 525         ret = platform_driver_register(&sony_pf_driver);
 526         if (ret)
 527                 goto out;
 528
 529         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 530         if (!sony_pf_device) {
 531                 ret = -ENOMEM;
 532                 goto out_platform_registered;
 533         }
 534
 535         ret = platform_device_add(sony_pf_device);
 536         if (ret)
 537                 goto out_platform_alloced;
 538
 539         return 0;
 540
 541       out_platform_alloced:
 542         platform_device_put(sony_pf_device);
 543         sony_pf_device = NULL;
 544       out_platform_registered:
 545         platform_driver_unregister(&sony_pf_driver);
 546       out:
 547         atomic_dec(&sony_pf_users);
 548         return ret;
 549 }
 550
 551 static void sony_pf_remove(void)
 552 {
 553         /* deregister only after the last user has gone */
 554         if (!atomic_dec_and_test(&sony_pf_users))
 555                 return;
 556
 557         platform_device_del(sony_pf_device);
 558         platform_device_put(sony_pf_device);
 559         platform_driver_unregister(&sony_pf_driver);
 560 }
 561
 562 /*********** SNC (SNY5001) Device ***********/
 563
 564 /* the device uses 1-based values, while the backlight subsystem uses
 565    0-based values */
 566 #define SONY_MAX_BRIGHTNESS     8
 567
 568 #define SNC_VALIDATE_IN         0
 569 #define SNC_VALIDATE_OUT        1
 570
 571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 572                               char *);
 573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 574                                const char *, size_t);
 575 static int boolean_validate(const int, const int);
 576 static int brightness_default_validate(const int, const int);
 577
 578 struct sony_nc_value {
 579         char *name;             /* name of the entry */
 580         char **acpiget;         /* names of the ACPI get function */
 581         char **acpiset;         /* names of the ACPI set function */
 582         int (*validate)(const int, const int);  /* input/output validation */
 583         int value;              /* current setting */
 584         int valid;              /* Has ever been set */
 585         int debug;              /* active only in debug mode ? */
 586         struct device_attribute devattr;        /* sysfs atribute */
 587 };
 588
 589 #define SNC_HANDLE_NAMES(_name, _values...) \
 590         static char *snc_##_name[] = { _values, NULL }
 591
 592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 593         { \
 594                 .name           = __stringify(_name), \
 595                 .acpiget        = _getters, \
 596                 .acpiset        = _setters, \
 597                 .validate       = _validate, \
 598                 .debug          = _debug, \
 599                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 600         }
 601
 602 #define SNC_HANDLE_NULL { .name = NULL }
 603
 604 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 605
 606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 608
 609 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 611
 612 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 613 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 614
 615 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 616 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 617
 618 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 619
 620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 622
 623 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 624 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 625
 626 SNC_HANDLE_NAMES(PID_get, "GPID");
 627
 628 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 629 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 630
 631 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 632 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 633
 634 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 635 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 636
 637 static struct sony_nc_value sony_nc_values[] = {
 638         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 639                         snc_brightness_def_set, brightness_default_validate, 0),
 640         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 641         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 642         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 643                         boolean_validate, 0),
 644         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 645                         boolean_validate, 1),
 646         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 647                         boolean_validate, 0),
 648         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 649                         boolean_validate, 0),
 650         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 651                         boolean_validate, 0),
 652         /* unknown methods */
 653         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 654         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 655         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 656         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 657         SNC_HANDLE_NULL
 658 };
 659
 660 static acpi_handle sony_nc_acpi_handle;
 661 static struct acpi_device *sony_nc_acpi_device = NULL;
 662
 663 /*
 664  * acpi_evaluate_object wrappers
 665  */
 666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
 667 {
 668         struct acpi_buffer output;
 669         union acpi_object out_obj;
 670         acpi_status status;
 671
 672         output.length = sizeof(out_obj);
 673         output.pointer = &out_obj;
 674
 675         status = acpi_evaluate_object(handle, name, NULL, &output);
 676         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
 677                 *result = out_obj.integer.value;
 678                 return 0;
 679         }
 680
 681         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
 682
 683         return -1;
 684 }
 685
 686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
 687                             int *result)
 688 {
 689         struct acpi_object_list params;
 690         union acpi_object in_obj;
 691         struct acpi_buffer output;
 692         union acpi_object out_obj;
 693         acpi_status status;
 694
 695         params.count = 1;
 696         params.pointer = &in_obj;
 697         in_obj.type = ACPI_TYPE_INTEGER;
 698         in_obj.integer.value = value;
 699
 700         output.length = sizeof(out_obj);
 701         output.pointer = &out_obj;
 702
 703         status = acpi_evaluate_object(handle, name, &params, &output);
 704         if (status == AE_OK) {
 705                 if (result != NULL) {
 706                         if (out_obj.type != ACPI_TYPE_INTEGER) {
 707                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
 708                                        "return type\n");
 709                                 return -1;
 710                         }
 711                         *result = out_obj.integer.value;
 712                 }
 713                 return 0;
 714         }
 715
 716         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
 717
 718         return -1;
 719 }
 720
 721 static int sony_find_snc_handle(int handle)
 722 {
 723         int i;
 724         int result;
 725
 726         for (i = 0x20; i < 0x30; i++) {
 727                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
 728                 if (result == handle)
 729                         return i-0x20;
 730         }
 731
 732         return -1;
 733 }
 734
 735 static int sony_call_snc_handle(int handle, int argument, int *result)
 736 {
 737         int offset = sony_find_snc_handle(handle);
 738
 739         if (offset < 0)
 740                 return -1;
 741
 742         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
 743                                 result);
 744 }
 745
 746 /*
 747  * sony_nc_values input/output validate functions
 748  */
 749
 750 /* brightness_default_validate:
 751  *
 752  * manipulate input output values to keep consistency with the
 753  * backlight framework for which brightness values are 0-based.
 754  */
 755 static int brightness_default_validate(const int direction, const int value)
 756 {
 757         switch (direction) {
 758                 case SNC_VALIDATE_OUT:
 759                         return value - 1;
 760                 case SNC_VALIDATE_IN:
 761                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 762                                 return value + 1;
 763         }
 764         return -EINVAL;
 765 }
 766
 767 /* boolean_validate:
 768  *
 769  * on input validate boolean values 0/1, on output just pass the
 770  * received value.
 771  */
 772 static int boolean_validate(const int direction, const int value)
 773 {
 774         if (direction == SNC_VALIDATE_IN) {
 775                 if (value != 0 && value != 1)
 776                         return -EINVAL;
 777         }
 778         return value;
 779 }
 780
 781 /*
 782  * Sysfs show/store common to all sony_nc_values
 783  */
 784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 785                               char *buffer)
 786 {
 787         int value;
 788         struct sony_nc_value *item =
 789             container_of(attr, struct sony_nc_value, devattr);
 790
 791         if (!*item->acpiget)
 792                 return -EIO;
 793
 794         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
 795                 return -EIO;
 796
 797         if (item->validate)
 798                 value = item->validate(SNC_VALIDATE_OUT, value);
 799
 800         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 801 }
 802
 803 static ssize_t sony_nc_sysfs_store(struct device *dev,
 804                                struct device_attribute *attr,
 805                                const char *buffer, size_t count)
 806 {
 807         int value;
 808         struct sony_nc_value *item =
 809             container_of(attr, struct sony_nc_value, devattr);
 810
 811         if (!item->acpiset)
 812                 return -EIO;
 813
 814         if (count > 31)
 815                 return -EINVAL;
 816
 817         value = simple_strtoul(buffer, NULL, 10);
 818
 819         if (item->validate)
 820                 value = item->validate(SNC_VALIDATE_IN, value);
 821
 822         if (value < 0)
 823                 return value;
 824
 825         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
 826                 return -EIO;
 827         item->value = value;
 828         item->valid = 1;
 829         return count;
 830 }
 831
 832
 833 /*
 834  * Backlight device
 835  */
 836 static int sony_backlight_update_status(struct backlight_device *bd)
 837 {
 838         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
 839                                 bd->props.brightness + 1, NULL);
 840 }
 841
 842 static int sony_backlight_get_brightness(struct backlight_device *bd)
 843 {
 844         int value;
 845
 846         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
 847                 return 0;
 848         /* brightness levels are 1-based, while backlight ones are 0-based */
 849         return value - 1;
 850 }
 851
 852 static struct backlight_device *sony_backlight_device;
 853 static struct backlight_ops sony_backlight_ops = {
 854         .update_status = sony_backlight_update_status,
 855         .get_brightness = sony_backlight_get_brightness,
 856 };
 857
 858 /*
 859  * New SNC-only Vaios event mapping to driver known keys
 860  */
 861 struct sony_nc_event {
 862         u8      data;
 863         u8      event;
 864 };
 865
 866 static struct sony_nc_event sony_100_events[] = {
 867         { 0x90, SONYPI_EVENT_PKEY_P1 },
 868         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
 869         { 0x91, SONYPI_EVENT_PKEY_P1 },
 870         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
 871         { 0x81, SONYPI_EVENT_FNKEY_F1 },
 872         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
 873         { 0x82, SONYPI_EVENT_FNKEY_F2 },
 874         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
 875         { 0x83, SONYPI_EVENT_FNKEY_F3 },
 876         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
 877         { 0x84, SONYPI_EVENT_FNKEY_F4 },
 878         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
 879         { 0x85, SONYPI_EVENT_FNKEY_F5 },
 880         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
 881         { 0x86, SONYPI_EVENT_FNKEY_F6 },
 882         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
 883         { 0x87, SONYPI_EVENT_FNKEY_F7 },
 884         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
 885         { 0x89, SONYPI_EVENT_FNKEY_F9 },
 886         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
 887         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
 888         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
 889         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
 890         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
 891         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
 892         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
 893         { 0, 0 },
 894 };
 895
 896 static struct sony_nc_event sony_127_events[] = {
 897         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
 898         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
 899         { 0x82, SONYPI_EVENT_PKEY_P1 },
 900         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
 901         { 0x83, SONYPI_EVENT_PKEY_P2 },
 902         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
 903         { 0x84, SONYPI_EVENT_PKEY_P3 },
 904         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
 905         { 0x85, SONYPI_EVENT_PKEY_P4 },
 906         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
 907         { 0x86, SONYPI_EVENT_PKEY_P5 },
 908         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 909         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
 910         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
 911         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
 912         { 0, 0 },
 913 };
 914
 915 /*
 916  * ACPI callbacks
 917  */
 918 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
 919 {
 920         u32 ev = event;
 921         int result;
 922
 923         if (ev >= 0x90) {
 924                 /* New-style event */
 925                 int key_handle = 0;
 926                 ev -= 0x90;
 927
 928                 if (sony_find_snc_handle(0x100) == ev)
 929                         key_handle = 0x100;
 930                 if (sony_find_snc_handle(0x127) == ev)
 931                         key_handle = 0x127;
 932
 933                 if (handle) {
 934                         struct sony_nc_event *key_event;
 935
 936                         if (sony_call_snc_handle(key_handle, 0x200, &result))
 937                                 dprintk("sony_acpi_notify, unable to decode"
 938                                         " event 0x%.2x 0x%.2x\n", key_handle,
 939                                         ev);
 940                         else
 941                                 ev = result & 0xFF;
 942
 943                         if (key_handle == 0x100)
 944                                 key_event = sony_100_events;
 945                         else
 946                                 key_event = sony_127_events;
 947
 948                         for (; key_event->data; key_event++) {
 949                                 if (key_event->data == ev) {
 950                                         ev = key_event->event;
 951                                         break;
 952                                 }
 953                         }
 954
 955                         if (!key_event->data) {
 956                                 printk(KERN_INFO DRV_PFX
 957                                        "Unknown event: 0x%x 0x%x\n", key_handle,
 958                                        ev);
 959                         }
 960                 } else if (sony_find_snc_handle(0x124) == ev) {
 961                         sony_nc_rfkill_update();
 962                         return;
 963                 }
 964         }
 965
 966         dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
 967         sony_laptop_report_input_event(ev);
 968         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
 969 }
 970
 971 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
 972                                       void *context, void **return_value)
 973 {
 974         struct acpi_device_info *info;
 975         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 976
 977         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
 978                 info = buffer.pointer;
 979
 980                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
 981                         (char *)&info->name, info->param_count);
 982
 983                 kfree(buffer.pointer);
 984         }
 985
 986         return AE_OK;
 987 }
 988
 989 /*
 990  * ACPI device
 991  */
 992 static int sony_nc_function_setup(struct acpi_device *device)
 993 {
 994         int result;
 995
 996         /* Enable all events */
 997         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
 998
 999         /* Setup hotkeys */
1000         sony_call_snc_handle(0x0100, 0, &result);
1001         sony_call_snc_handle(0x0101, 0, &result);
1002         sony_call_snc_handle(0x0102, 0x100, &result);
1003
1004         return 0;
1005 }
1006
1007 static int sony_nc_resume(struct acpi_device *device)
1008 {
1009         struct sony_nc_value *item;
1010         acpi_handle handle;
1011
1012         for (item = sony_nc_values; item->name; item++) {
1013                 int ret;
1014
1015                 if (!item->valid)
1016                         continue;
1017                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1018                                        item->value, NULL);
1019                 if (ret < 0) {
1020                         printk("%s: %d\n", __func__, ret);
1021                         break;
1022                 }
1023         }
1024
1025         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1026                                          &handle))) {
1027                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1028                         dprintk("ECON Method failed\n");
1029         }
1030
1031         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1032                                          &handle))) {
1033                 dprintk("Doing SNC setup\n");
1034                 sony_nc_function_setup(device);
1035         }
1036
1037         /* set the last requested brightness level */
1038         if (sony_backlight_device &&
1039                         !sony_backlight_update_status(sony_backlight_device))
1040                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1041
1042         return 0;
1043 }
1044
1045 static void sony_nc_rfkill_cleanup(void)
1046 {
1047         int i;
1048
1049         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1050                 if (sony_rfkill_devices[i])
1051                         rfkill_unregister(sony_rfkill_devices[i]);
1052         }
1053 }
1054
1055 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1056 {
1057         int result;
1058         int argument = sony_rfkill_address[(long) data];
1059
1060         sony_call_snc_handle(0x124, 0x200, &result);
1061         if (result & 0x1) {
1062                 sony_call_snc_handle(0x124, argument, &result);
1063                 if (result & 0xf)
1064                         *state = RFKILL_STATE_UNBLOCKED;
1065                 else
1066                         *state = RFKILL_STATE_SOFT_BLOCKED;
1067         } else {
1068                 *state = RFKILL_STATE_HARD_BLOCKED;
1069         }
1070
1071         return 0;
1072 }
1073
1074 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1075 {
1076         int result;
1077         int argument = sony_rfkill_address[(long) data] + 0x100;
1078
1079         if (state == RFKILL_STATE_UNBLOCKED)
1080                 argument |= 0xff0000;
1081
1082         return sony_call_snc_handle(0x124, argument, &result);
1083 }
1084
1085 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1086 {
1087         int err = 0;
1088         struct rfkill *sony_wifi_rfkill;
1089
1090         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1091         if (!sony_wifi_rfkill)
1092                 return -1;
1093         sony_wifi_rfkill->name = "sony-wifi";
1094         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1095         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1096         sony_wifi_rfkill->user_claim_unsupported = 1;
1097         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1098         err = rfkill_register(sony_wifi_rfkill);
1099         if (err)
1100                 rfkill_free(sony_wifi_rfkill);
1101         else
1102                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1103         return err;
1104 }
1105
1106 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1107 {
1108         int err = 0;
1109         struct rfkill *sony_bluetooth_rfkill;
1110
1111         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1112                                                 RFKILL_TYPE_BLUETOOTH);
1113         if (!sony_bluetooth_rfkill)
1114                 return -1;
1115         sony_bluetooth_rfkill->name = "sony-bluetooth";
1116         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1117         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1118         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1119         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1120         err = rfkill_register(sony_bluetooth_rfkill);
1121         if (err)
1122                 rfkill_free(sony_bluetooth_rfkill);
1123         else
1124                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1125         return err;
1126 }
1127
1128 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1129 {
1130         int err = 0;
1131         struct rfkill *sony_wwan_rfkill;
1132
1133         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1134         if (!sony_wwan_rfkill)
1135                 return -1;
1136         sony_wwan_rfkill->name = "sony-wwan";
1137         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1138         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1139         sony_wwan_rfkill->user_claim_unsupported = 1;
1140         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1141         err = rfkill_register(sony_wwan_rfkill);
1142         if (err)
1143                 rfkill_free(sony_wwan_rfkill);
1144         else
1145                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1146         return err;
1147 }
1148
1149 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1150 {
1151         int err = 0;
1152         struct rfkill *sony_wimax_rfkill;
1153
1154         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1155         if (!sony_wimax_rfkill)
1156                 return -1;
1157         sony_wimax_rfkill->name = "sony-wimax";
1158         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1159         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1160         sony_wimax_rfkill->user_claim_unsupported = 1;
1161         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1162         err = rfkill_register(sony_wimax_rfkill);
1163         if (err)
1164                 rfkill_free(sony_wimax_rfkill);
1165         else
1166                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1167         return err;
1168 }
1169
1170 static void sony_nc_rfkill_update()
1171 {
1172         int i;
1173         enum rfkill_state state;
1174
1175         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1176                 if (sony_rfkill_devices[i]) {
1177                         sony_rfkill_devices[i]->
1178                                 get_state(sony_rfkill_devices[i]->data,
1179                                           &state);
1180                         rfkill_force_state(sony_rfkill_devices[i], state);
1181                 }
1182         }
1183 }
1184
1185 static int sony_nc_rfkill_setup(struct acpi_device *device)
1186 {
1187         int result, ret;
1188
1189         if (sony_find_snc_handle(0x124) == -1)
1190                 return -1;
1191
1192         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1193         if (ret) {
1194                 printk(KERN_INFO DRV_PFX
1195                        "Unable to enumerate rfkill devices: %x\n", ret);
1196                 return ret;
1197         }
1198
1199         if (result & 0x1)
1200                 sony_nc_setup_wifi_rfkill(device);
1201         if (result & 0x2)
1202                 sony_nc_setup_bluetooth_rfkill(device);
1203         if (result & 0x1c)
1204                 sony_nc_setup_wwan_rfkill(device);
1205         if (result & 0x20)
1206                 sony_nc_setup_wimax_rfkill(device);
1207
1208         return 0;
1209 }
1210
1211 static int sony_nc_add(struct acpi_device *device)
1212 {
1213         acpi_status status;
1214         int result = 0;
1215         acpi_handle handle;
1216         struct sony_nc_value *item;
1217
1218         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1219                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1220
1221         sony_nc_acpi_device = device;
1222         strcpy(acpi_device_class(device), "sony/hotkey");
1223
1224         sony_nc_acpi_handle = device->handle;
1225
1226         /* read device status */
1227         result = acpi_bus_get_status(device);
1228         /* bail IFF the above call was successful and the device is not present */
1229         if (!result && !device->status.present) {
1230                 dprintk("Device not present\n");
1231                 result = -ENODEV;
1232                 goto outwalk;
1233         }
1234
1235         if (debug) {
1236                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1237                                              1, sony_walk_callback, NULL, NULL);
1238                 if (ACPI_FAILURE(status)) {
1239                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1240                         result = -ENODEV;
1241                         goto outwalk;
1242                 }
1243         }
1244
1245         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1246          * should be respected as we already checked for the device presence above */
1247         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1248                 dprintk("Invoking _INI\n");
1249                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1250                                                 NULL, NULL)))
1251                         dprintk("_INI Method failed\n");
1252         }
1253
1254         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1255                                          &handle))) {
1256                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1257                         dprintk("ECON Method failed\n");
1258         }
1259
1260         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1261                                          &handle))) {
1262                 dprintk("Doing SNC setup\n");
1263                 sony_nc_function_setup(device);
1264                 sony_nc_rfkill_setup(device);
1265         }
1266
1267         /* setup input devices and helper fifo */
1268         result = sony_laptop_setup_input(device);
1269         if (result) {
1270                 printk(KERN_ERR DRV_PFX
1271                                 "Unabe to create input devices.\n");
1272                 goto outwalk;
1273         }
1274
1275         status = acpi_install_notify_handler(sony_nc_acpi_handle,
1276                                              ACPI_DEVICE_NOTIFY,
1277                                              sony_acpi_notify, NULL);
1278         if (ACPI_FAILURE(status)) {
1279                 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1280                 result = -ENODEV;
1281                 goto outinput;
1282         }
1283
1284         if (acpi_video_backlight_support()) {
1285                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1286                        "controlled by ACPI video driver\n");
1287         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1288                                                 &handle))) {
1289                 sony_backlight_device = backlight_device_register("sony", NULL,
1290                                                                   NULL,
1291                                                                   &sony_backlight_ops);
1292
1293                 if (IS_ERR(sony_backlight_device)) {
1294                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1295                         sony_backlight_device = NULL;
1296                 } else {
1297                         sony_backlight_device->props.brightness =
1298                             sony_backlight_get_brightness
1299                             (sony_backlight_device);
1300                         sony_backlight_device->props.max_brightness =
1301                             SONY_MAX_BRIGHTNESS - 1;
1302                 }
1303
1304         }
1305
1306         result = sony_pf_add();
1307         if (result)
1308                 goto outbacklight;
1309
1310         /* create sony_pf sysfs attributes related to the SNC device */
1311         for (item = sony_nc_values; item->name; ++item) {
1312
1313                 if (!debug && item->debug)
1314                         continue;
1315
1316                 /* find the available acpiget as described in the DSDT */
1317                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1318                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1319                                                          *item->acpiget,
1320                                                          &handle))) {
1321                                 dprintk("Found %s getter: %s\n",
1322                                                 item->name, *item->acpiget);
1323                                 item->devattr.attr.mode |= S_IRUGO;
1324                                 break;
1325                         }
1326                 }
1327
1328                 /* find the available acpiset as described in the DSDT */
1329                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1330                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1331                                                          *item->acpiset,
1332                                                          &handle))) {
1333                                 dprintk("Found %s setter: %s\n",
1334                                                 item->name, *item->acpiset);
1335                                 item->devattr.attr.mode |= S_IWUSR;
1336                                 break;
1337                         }
1338                 }
1339
1340                 if (item->devattr.attr.mode != 0) {
1341                         result =
1342                             device_create_file(&sony_pf_device->dev,
1343                                                &item->devattr);
1344                         if (result)
1345                                 goto out_sysfs;
1346                 }
1347         }
1348
1349         return 0;
1350
1351       out_sysfs:
1352         for (item = sony_nc_values; item->name; ++item) {
1353                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1354         }
1355         sony_pf_remove();
1356
1357       outbacklight:
1358         if (sony_backlight_device)
1359                 backlight_device_unregister(sony_backlight_device);
1360
1361         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1362                                             ACPI_DEVICE_NOTIFY,
1363                                             sony_acpi_notify);
1364         if (ACPI_FAILURE(status))
1365                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1366
1367       outinput:
1368         sony_laptop_remove_input();
1369
1370       outwalk:
1371         sony_nc_rfkill_cleanup();
1372         return result;
1373 }
1374
1375 static int sony_nc_remove(struct acpi_device *device, int type)
1376 {
1377         acpi_status status;
1378         struct sony_nc_value *item;
1379
1380         if (sony_backlight_device)
1381                 backlight_device_unregister(sony_backlight_device);
1382
1383         sony_nc_acpi_device = NULL;
1384
1385         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1386                                             ACPI_DEVICE_NOTIFY,
1387                                             sony_acpi_notify);
1388         if (ACPI_FAILURE(status))
1389                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1390
1391         for (item = sony_nc_values; item->name; ++item) {
1392                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1393         }
1394
1395         sony_pf_remove();
1396         sony_laptop_remove_input();
1397         sony_nc_rfkill_cleanup();
1398         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1399
1400         return 0;
1401 }
1402
1403 static const struct acpi_device_id sony_device_ids[] = {
1404         {SONY_NC_HID, 0},
1405         {SONY_PIC_HID, 0},
1406         {"", 0},
1407 };
1408 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1409
1410 static const struct acpi_device_id sony_nc_device_ids[] = {
1411         {SONY_NC_HID, 0},
1412         {"", 0},
1413 };
1414
1415 static struct acpi_driver sony_nc_driver = {
1416         .name = SONY_NC_DRIVER_NAME,
1417         .class = SONY_NC_CLASS,
1418         .ids = sony_nc_device_ids,
1419         .owner = THIS_MODULE,
1420         .ops = {
1421                 .add = sony_nc_add,
1422                 .remove = sony_nc_remove,
1423                 .resume = sony_nc_resume,
1424                 },
1425 };
1426
1427 /*********** SPIC (SNY6001) Device ***********/
1428
1429 #define SONYPI_DEVICE_TYPE1     0x00000001
1430 #define SONYPI_DEVICE_TYPE2     0x00000002
1431 #define SONYPI_DEVICE_TYPE3     0x00000004
1432 #define SONYPI_DEVICE_TYPE4     0x00000008
1433
1434 #define SONYPI_TYPE1_OFFSET     0x04
1435 #define SONYPI_TYPE2_OFFSET     0x12
1436 #define SONYPI_TYPE3_OFFSET     0x12
1437
1438 struct sony_pic_ioport {
1439         struct acpi_resource_io io1;
1440         struct acpi_resource_io io2;
1441         struct list_head        list;
1442 };
1443
1444 struct sony_pic_irq {
1445         struct acpi_resource_irq        irq;
1446         struct list_head                list;
1447 };
1448
1449 struct sonypi_eventtypes {
1450         u8                      data;
1451         unsigned long           mask;
1452         struct sonypi_event     *events;
1453 };
1454
1455 struct device_ctrl {
1456         int                             model;
1457         int                             (*handle_irq)(const u8, const u8);
1458         u16                             evport_offset;
1459         u8                              has_camera;
1460         u8                              has_bluetooth;
1461         u8                              has_wwan;
1462         struct sonypi_eventtypes        *event_types;
1463 };
1464
1465 struct sony_pic_dev {
1466         struct device_ctrl      *control;
1467         struct acpi_device      *acpi_dev;
1468         struct sony_pic_irq     *cur_irq;
1469         struct sony_pic_ioport  *cur_ioport;
1470         struct list_head        interrupts;
1471         struct list_head        ioports;
1472         struct mutex            lock;
1473         u8                      camera_power;
1474         u8                      bluetooth_power;
1475         u8                      wwan_power;
1476 };
1477
1478 static struct sony_pic_dev spic_dev = {
1479         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1480         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1481 };
1482
1483 /* Event masks */
1484 #define SONYPI_JOGGER_MASK                      0x00000001
1485 #define SONYPI_CAPTURE_MASK                     0x00000002
1486 #define SONYPI_FNKEY_MASK                       0x00000004
1487 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1488 #define SONYPI_PKEY_MASK                        0x00000010
1489 #define SONYPI_BACK_MASK                        0x00000020
1490 #define SONYPI_HELP_MASK                        0x00000040
1491 #define SONYPI_LID_MASK                         0x00000080
1492 #define SONYPI_ZOOM_MASK                        0x00000100
1493 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1494 #define SONYPI_MEYE_MASK                        0x00000400
1495 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1496 #define SONYPI_BATTERY_MASK                     0x00001000
1497 #define SONYPI_WIRELESS_MASK                    0x00002000
1498
1499 struct sonypi_event {
1500         u8      data;
1501         u8      event;
1502 };
1503
1504 /* The set of possible button release events */
1505 static struct sonypi_event sonypi_releaseev[] = {
1506         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1507         { 0, 0 }
1508 };
1509
1510 /* The set of possible jogger events  */
1511 static struct sonypi_event sonypi_joggerev[] = {
1512         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1513         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1514         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1515         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1516         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1517         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1518         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1519         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1520         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1521         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1522         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1523         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1524         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1525         { 0, 0 }
1526 };
1527
1528 /* The set of possible capture button events */
1529 static struct sonypi_event sonypi_captureev[] = {
1530         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1531         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1532         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1533         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1534         { 0, 0 }
1535 };
1536
1537 /* The set of possible fnkeys events */
1538 static struct sonypi_event sonypi_fnkeyev[] = {
1539         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1540         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1541         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1542         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1543         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1544         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1545         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1546         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1547         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1548         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1549         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1550         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1551         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1552         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1553         { 0x21, SONYPI_EVENT_FNKEY_1 },
1554         { 0x22, SONYPI_EVENT_FNKEY_2 },
1555         { 0x31, SONYPI_EVENT_FNKEY_D },
1556         { 0x32, SONYPI_EVENT_FNKEY_E },
1557         { 0x33, SONYPI_EVENT_FNKEY_F },
1558         { 0x34, SONYPI_EVENT_FNKEY_S },
1559         { 0x35, SONYPI_EVENT_FNKEY_B },
1560         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1561         { 0, 0 }
1562 };
1563
1564 /* The set of possible program key events */
1565 static struct sonypi_event sonypi_pkeyev[] = {
1566         { 0x01, SONYPI_EVENT_PKEY_P1 },
1567         { 0x02, SONYPI_EVENT_PKEY_P2 },
1568         { 0x04, SONYPI_EVENT_PKEY_P3 },
1569         { 0x20, SONYPI_EVENT_PKEY_P1 },
1570         { 0, 0 }
1571 };
1572
1573 /* The set of possible bluetooth events */
1574 static struct sonypi_event sonypi_blueev[] = {
1575         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1576         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1577         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1578         { 0, 0 }
1579 };
1580
1581 /* The set of possible wireless events */
1582 static struct sonypi_event sonypi_wlessev[] = {
1583         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1584         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1585         { 0, 0 }
1586 };
1587
1588 /* The set of possible back button events */
1589 static struct sonypi_event sonypi_backev[] = {
1590         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1591         { 0, 0 }
1592 };
1593
1594 /* The set of possible help button events */
1595 static struct sonypi_event sonypi_helpev[] = {
1596         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1597         { 0, 0 }
1598 };
1599
1600
1601 /* The set of possible lid events */
1602 static struct sonypi_event sonypi_lidev[] = {
1603         { 0x51, SONYPI_EVENT_LID_CLOSED },
1604         { 0x50, SONYPI_EVENT_LID_OPENED },
1605         { 0, 0 }
1606 };
1607
1608 /* The set of possible zoom events */
1609 static struct sonypi_event sonypi_zoomev[] = {
1610         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1611         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1612         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1613         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1614         { 0, 0 }
1615 };
1616
1617 /* The set of possible thumbphrase events */
1618 static struct sonypi_event sonypi_thumbphraseev[] = {
1619         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1620         { 0, 0 }
1621 };
1622
1623 /* The set of possible motioneye camera events */
1624 static struct sonypi_event sonypi_meyeev[] = {
1625         { 0x00, SONYPI_EVENT_MEYE_FACE },
1626         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1627         { 0, 0 }
1628 };
1629
1630 /* The set of possible memorystick events */
1631 static struct sonypi_event sonypi_memorystickev[] = {
1632         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1633         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1634         { 0, 0 }
1635 };
1636
1637 /* The set of possible battery events */
1638 static struct sonypi_event sonypi_batteryev[] = {
1639         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1640         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1641         { 0, 0 }
1642 };
1643
1644 /* The set of possible volume events */
1645 static struct sonypi_event sonypi_volumeev[] = {
1646         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1647         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1648         { 0, 0 }
1649 };
1650
1651 /* The set of possible brightness events */
1652 static struct sonypi_event sonypi_brightnessev[] = {
1653         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1654         { 0, 0 }
1655 };
1656
1657 static struct sonypi_eventtypes type1_events[] = {
1658         { 0, 0xffffffff, sonypi_releaseev },
1659         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1660         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1661         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1662         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1663         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1664         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1665         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1666         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1667         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1668         { 0 },
1669 };
1670 static struct sonypi_eventtypes type2_events[] = {
1671         { 0, 0xffffffff, sonypi_releaseev },
1672         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1673         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1674         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1675         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1676         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1677         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1678         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1679         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1680         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1681         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1682         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1683         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1684         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1685         { 0 },
1686 };
1687 static struct sonypi_eventtypes type3_events[] = {
1688         { 0, 0xffffffff, sonypi_releaseev },
1689         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1690         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1691         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1692         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1693         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1694         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1695         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1696         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1697         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1698         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1699         { 0 },
1700 };
1701
1702 /* low level spic calls */
1703 #define ITERATIONS_LONG         10000
1704 #define ITERATIONS_SHORT        10
1705 #define wait_on_command(command, iterations) {                          \
1706         unsigned int n = iterations;                                    \
1707         while (--n && (command))                                        \
1708                 udelay(1);                                              \
1709         if (!n)                                                         \
1710                 dprintk("command failed at %s : %s (line %d)\n",        \
1711                                 __FILE__, __func__, __LINE__);  \
1712 }
1713
1714 static u8 sony_pic_call1(u8 dev)
1715 {
1716         u8 v1, v2;
1717
1718         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1719                         ITERATIONS_LONG);
1720         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1721         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1722         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1723         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1724         return v2;
1725 }
1726
1727 static u8 sony_pic_call2(u8 dev, u8 fn)
1728 {
1729         u8 v1;
1730
1731         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1732                         ITERATIONS_LONG);
1733         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1734         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1735                         ITERATIONS_LONG);
1736         outb(fn, spic_dev.cur_ioport->io1.minimum);
1737         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1738         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1739         return v1;
1740 }
1741
1742 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1743 {
1744         u8 v1;
1745
1746         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1747         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1748         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1749         outb(fn, spic_dev.cur_ioport->io1.minimum);
1750         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1751         outb(v, spic_dev.cur_ioport->io1.minimum);
1752         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1753         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1754                         dev, fn, v, v1);
1755         return v1;
1756 }
1757
1758 /*
1759  * minidrivers for SPIC models
1760  */
1761 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1762 {
1763         /*
1764          * 0x31 could mean we have to take some extra action and wait for
1765          * the next irq for some Type3 models, it will generate a new
1766          * irq and we can read new data from the device:
1767          *  - 0x5c and 0x5f requires 0xA0
1768          *  - 0x61 requires 0xB3
1769          */
1770         if (data_mask == 0x31) {
1771                 if (ev == 0x5c || ev == 0x5f)
1772                         sony_pic_call1(0xA0);
1773                 else if (ev == 0x61)
1774                         sony_pic_call1(0xB3);
1775                 return 0;
1776         }
1777         return 1;
1778 }
1779
1780 static struct device_ctrl spic_types[] = {
1781         {
1782                 .model = SONYPI_DEVICE_TYPE1,
1783                 .handle_irq = NULL,
1784                 .evport_offset = SONYPI_TYPE1_OFFSET,
1785                 .event_types = type1_events,
1786         },
1787         {
1788                 .model = SONYPI_DEVICE_TYPE2,
1789                 .handle_irq = NULL,
1790                 .evport_offset = SONYPI_TYPE2_OFFSET,
1791                 .event_types = type2_events,
1792         },
1793         {
1794                 .model = SONYPI_DEVICE_TYPE3,
1795                 .handle_irq = type3_handle_irq,
1796                 .evport_offset = SONYPI_TYPE3_OFFSET,
1797                 .event_types = type3_events,
1798         },
1799 };
1800
1801 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1802 {
1803         struct pci_dev *pcidev;
1804
1805         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1806                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1807         if (pcidev) {
1808                 dev->control = &spic_types[0];
1809                 goto out;
1810         }
1811
1812         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1813                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1814         if (pcidev) {
1815                 dev->control = &spic_types[2];
1816                 goto out;
1817         }
1818
1819         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1820                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1821         if (pcidev) {
1822                 dev->control = &spic_types[2];
1823                 goto out;
1824         }
1825
1826         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1827                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1828         if (pcidev) {
1829                 dev->control = &spic_types[2];
1830                 goto out;
1831         }
1832
1833         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1834                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1835         if (pcidev) {
1836                 dev->control = &spic_types[2];
1837                 goto out;
1838         }
1839
1840         /* default */
1841         dev->control = &spic_types[1];
1842
1843 out:
1844         if (pcidev)
1845                 pci_dev_put(pcidev);
1846
1847         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1848                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1849                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1850 }
1851
1852 /* camera tests and poweron/poweroff */
1853 #define SONYPI_CAMERA_PICTURE           5
1854 #define SONYPI_CAMERA_CONTROL           0x10
1855
1856 #define SONYPI_CAMERA_BRIGHTNESS                0
1857 #define SONYPI_CAMERA_CONTRAST                  1
1858 #define SONYPI_CAMERA_HUE                       2
1859 #define SONYPI_CAMERA_COLOR                     3
1860 #define SONYPI_CAMERA_SHARPNESS                 4
1861
1862 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1863 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1864 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1865 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1866
1867 /* the rest don't need a loop until not 0xff */
1868 #define SONYPI_CAMERA_AGC                       6
1869 #define SONYPI_CAMERA_AGC_MASK                  0x30
1870 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1871
1872 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1873 #define SONYPI_CAMERA_CONTROL                   0x10
1874
1875 #define SONYPI_CAMERA_STATUS                    7
1876 #define SONYPI_CAMERA_STATUS_READY              0x2
1877 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1878
1879 #define SONYPI_DIRECTION_BACKWARDS              0x4
1880
1881 #define SONYPI_CAMERA_REVISION                  8
1882 #define SONYPI_CAMERA_ROMVERSION                9
1883
1884 static int __sony_pic_camera_ready(void)
1885 {
1886         u8 v;
1887
1888         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1889         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1890 }
1891
1892 static int __sony_pic_camera_off(void)
1893 {
1894         if (!camera) {
1895                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1896                 return -ENODEV;
1897         }
1898
1899         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1900                                 SONYPI_CAMERA_MUTE_MASK),
1901                         ITERATIONS_SHORT);
1902
1903         if (spic_dev.camera_power) {
1904                 sony_pic_call2(0x91, 0);
1905                 spic_dev.camera_power = 0;
1906         }
1907         return 0;
1908 }
1909
1910 static int __sony_pic_camera_on(void)
1911 {
1912         int i, j, x;
1913
1914         if (!camera) {
1915                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1916                 return -ENODEV;
1917         }
1918
1919         if (spic_dev.camera_power)
1920                 return 0;
1921
1922         for (j = 5; j > 0; j--) {
1923
1924                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1925                         msleep(10);
1926                 sony_pic_call1(0x93);
1927
1928                 for (i = 400; i > 0; i--) {
1929                         if (__sony_pic_camera_ready())
1930                                 break;
1931                         msleep(10);
1932                 }
1933                 if (i)
1934                         break;
1935         }
1936
1937         if (j == 0) {
1938                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1939                 return -ENODEV;
1940         }
1941
1942         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1943                                 0x5a),
1944                         ITERATIONS_SHORT);
1945
1946         spic_dev.camera_power = 1;
1947         return 0;
1948 }
1949
1950 /* External camera command (exported to the motion eye v4l driver) */
1951 int sony_pic_camera_command(int command, u8 value)
1952 {
1953         if (!camera)
1954                 return -EIO;
1955
1956         mutex_lock(&spic_dev.lock);
1957
1958         switch (command) {
1959         case SONY_PIC_COMMAND_SETCAMERA:
1960                 if (value)
1961                         __sony_pic_camera_on();
1962                 else
1963                         __sony_pic_camera_off();
1964                 break;
1965         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1966                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1967                                 ITERATIONS_SHORT);
1968                 break;
1969         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1970                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1971                                 ITERATIONS_SHORT);
1972                 break;
1973         case SONY_PIC_COMMAND_SETCAMERAHUE:
1974                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1975                                 ITERATIONS_SHORT);
1976                 break;
1977         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1978                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1979                                 ITERATIONS_SHORT);
1980                 break;
1981         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1982                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1983                                 ITERATIONS_SHORT);
1984                 break;
1985         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1986                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1987                                 ITERATIONS_SHORT);
1988                 break;
1989         case SONY_PIC_COMMAND_SETCAMERAAGC:
1990                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1991                                 ITERATIONS_SHORT);
1992                 break;
1993         default:
1994                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1995                        command);
1996                 break;
1997         }
1998         mutex_unlock(&spic_dev.lock);
1999         return 0;
2000 }
2001 EXPORT_SYMBOL(sony_pic_camera_command);
2002
2003 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2004 static void __sony_pic_set_wwanpower(u8 state)
2005 {
2006         state = !!state;
2007         if (spic_dev.wwan_power == state)
2008                 return;
2009         sony_pic_call2(0xB0, state);
2010         sony_pic_call1(0x82);
2011         spic_dev.wwan_power = state;
2012 }
2013
2014 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2015                 struct device_attribute *attr,
2016                 const char *buffer, size_t count)
2017 {
2018         unsigned long value;
2019         if (count > 31)
2020                 return -EINVAL;
2021
2022         value = simple_strtoul(buffer, NULL, 10);
2023         mutex_lock(&spic_dev.lock);
2024         __sony_pic_set_wwanpower(value);
2025         mutex_unlock(&spic_dev.lock);
2026
2027         return count;
2028 }
2029
2030 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2031                 struct device_attribute *attr, char *buffer)
2032 {
2033         ssize_t count;
2034         mutex_lock(&spic_dev.lock);
2035         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2036         mutex_unlock(&spic_dev.lock);
2037         return count;
2038 }
2039
2040 /* bluetooth subsystem power state */
2041 static void __sony_pic_set_bluetoothpower(u8 state)
2042 {
2043         state = !!state;
2044         if (spic_dev.bluetooth_power == state)
2045                 return;
2046         sony_pic_call2(0x96, state);
2047         sony_pic_call1(0x82);
2048         spic_dev.bluetooth_power = state;
2049 }
2050
2051 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2052                 struct device_attribute *attr,
2053                 const char *buffer, size_t count)
2054 {
2055         unsigned long value;
2056         if (count > 31)
2057                 return -EINVAL;
2058
2059         value = simple_strtoul(buffer, NULL, 10);
2060         mutex_lock(&spic_dev.lock);
2061         __sony_pic_set_bluetoothpower(value);
2062         mutex_unlock(&spic_dev.lock);
2063
2064         return count;
2065 }
2066
2067 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2068                 struct device_attribute *attr, char *buffer)
2069 {
2070         ssize_t count = 0;
2071         mutex_lock(&spic_dev.lock);
2072         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2073         mutex_unlock(&spic_dev.lock);
2074         return count;
2075 }
2076
2077 /* fan speed */
2078 /* FAN0 information (reverse engineered from ACPI tables) */
2079 #define SONY_PIC_FAN0_STATUS    0x93
2080 static int sony_pic_set_fanspeed(unsigned long value)
2081 {
2082         return ec_write(SONY_PIC_FAN0_STATUS, value);
2083 }
2084
2085 static int sony_pic_get_fanspeed(u8 *value)
2086 {
2087         return ec_read(SONY_PIC_FAN0_STATUS, value);
2088 }
2089
2090 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2091                 struct device_attribute *attr,
2092                 const char *buffer, size_t count)
2093 {
2094         unsigned long value;
2095         if (count > 31)
2096                 return -EINVAL;
2097
2098         value = simple_strtoul(buffer, NULL, 10);
2099         if (sony_pic_set_fanspeed(value))
2100                 return -EIO;
2101
2102         return count;
2103 }
2104
2105 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2106                 struct device_attribute *attr, char *buffer)
2107 {
2108         u8 value = 0;
2109         if (sony_pic_get_fanspeed(&value))
2110                 return -EIO;
2111
2112         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2113 }
2114
2115 #define SPIC_ATTR(_name, _mode)                                 \
2116 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2117                 _mode, sony_pic_## _name ##_show,               \
2118                 sony_pic_## _name ##_store)
2119
2120 static SPIC_ATTR(bluetoothpower, 0644);
2121 static SPIC_ATTR(wwanpower, 0644);
2122 static SPIC_ATTR(fanspeed, 0644);
2123
2124 static struct attribute *spic_attributes[] = {
2125         &spic_attr_bluetoothpower.attr,
2126         &spic_attr_wwanpower.attr,
2127         &spic_attr_fanspeed.attr,
2128         NULL
2129 };
2130
2131 static struct attribute_group spic_attribute_group = {
2132         .attrs = spic_attributes
2133 };
2134
2135 /******** SONYPI compatibility **********/
2136 #ifdef CONFIG_SONYPI_COMPAT
2137
2138 /* battery / brightness / temperature  addresses */
2139 #define SONYPI_BAT_FLAGS        0x81
2140 #define SONYPI_LCD_LIGHT        0x96
2141 #define SONYPI_BAT1_PCTRM       0xa0
2142 #define SONYPI_BAT1_LEFT        0xa2
2143 #define SONYPI_BAT1_MAXRT       0xa4
2144 #define SONYPI_BAT2_PCTRM       0xa8
2145 #define SONYPI_BAT2_LEFT        0xaa
2146 #define SONYPI_BAT2_MAXRT       0xac
2147 #define SONYPI_BAT1_MAXTK       0xb0
2148 #define SONYPI_BAT1_FULL        0xb2
2149 #define SONYPI_BAT2_MAXTK       0xb8
2150 #define SONYPI_BAT2_FULL        0xba
2151 #define SONYPI_TEMP_STATUS      0xC1
2152
2153 struct sonypi_compat_s {
2154         struct fasync_struct    *fifo_async;
2155         struct kfifo            *fifo;
2156         spinlock_t              fifo_lock;
2157         wait_queue_head_t       fifo_proc_list;
2158         atomic_t                open_count;
2159 };
2160 static struct sonypi_compat_s sonypi_compat = {
2161         .open_count = ATOMIC_INIT(0),
2162 };
2163
2164 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2165 {
2166         int retval;
2167
2168         retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2169         if (retval < 0)
2170                 return retval;
2171         return 0;
2172 }
2173
2174 static int sonypi_misc_release(struct inode *inode, struct file *file)
2175 {
2176         atomic_dec(&sonypi_compat.open_count);
2177         return 0;
2178 }
2179
2180 static int sonypi_misc_open(struct inode *inode, struct file *file)
2181 {
2182         /* Flush input queue on first open */
2183         lock_kernel();
2184         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2185                 kfifo_reset(sonypi_compat.fifo);
2186         unlock_kernel();
2187         return 0;
2188 }
2189
2190 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2191                                 size_t count, loff_t *pos)
2192 {
2193         ssize_t ret;
2194         unsigned char c;
2195
2196         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2197             (file->f_flags & O_NONBLOCK))
2198                 return -EAGAIN;
2199
2200         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2201                                        kfifo_len(sonypi_compat.fifo) != 0);
2202         if (ret)
2203                 return ret;
2204
2205         while (ret < count &&
2206                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2207                 if (put_user(c, buf++))
2208                         return -EFAULT;
2209                 ret++;
2210         }
2211
2212         if (ret > 0) {
2213                 struct inode *inode = file->f_path.dentry->d_inode;
2214                 inode->i_atime = current_fs_time(inode->i_sb);
2215         }
2216
2217         return ret;
2218 }
2219
2220 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2221 {
2222         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2223         if (kfifo_len(sonypi_compat.fifo))
2224                 return POLLIN | POLLRDNORM;
2225         return 0;
2226 }
2227
2228 static int ec_read16(u8 addr, u16 *value)
2229 {
2230         u8 val_lb, val_hb;
2231         if (ec_read(addr, &val_lb))
2232                 return -1;
2233         if (ec_read(addr + 1, &val_hb))
2234                 return -1;
2235         *value = val_lb | (val_hb << 8);
2236         return 0;
2237 }
2238
2239 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2240                                                         unsigned long arg)
2241 {
2242         int ret = 0;
2243         void __user *argp = (void __user *)arg;
2244         u8 val8;
2245         u16 val16;
2246         int value;
2247
2248         mutex_lock(&spic_dev.lock);
2249         switch (cmd) {
2250         case SONYPI_IOCGBRT:
2251                 if (sony_backlight_device == NULL) {
2252                         ret = -EIO;
2253                         break;
2254                 }
2255                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2256                         ret = -EIO;
2257                         break;
2258                 }
2259                 val8 = ((value & 0xff) - 1) << 5;
2260                 if (copy_to_user(argp, &val8, sizeof(val8)))
2261                                 ret = -EFAULT;
2262                 break;
2263         case SONYPI_IOCSBRT:
2264                 if (sony_backlight_device == NULL) {
2265                         ret = -EIO;
2266                         break;
2267                 }
2268                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2269                         ret = -EFAULT;
2270                         break;
2271                 }
2272                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2273                                 (val8 >> 5) + 1, NULL)) {
2274                         ret = -EIO;
2275                         break;
2276                 }
2277                 /* sync the backlight device status */
2278                 sony_backlight_device->props.brightness =
2279                     sony_backlight_get_brightness(sony_backlight_device);
2280                 break;
2281         case SONYPI_IOCGBAT1CAP:
2282                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2283                         ret = -EIO;
2284                         break;
2285                 }
2286                 if (copy_to_user(argp, &val16, sizeof(val16)))
2287                         ret = -EFAULT;
2288                 break;
2289         case SONYPI_IOCGBAT1REM:
2290                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2291                         ret = -EIO;
2292                         break;
2293                 }
2294                 if (copy_to_user(argp, &val16, sizeof(val16)))
2295                         ret = -EFAULT;
2296                 break;
2297         case SONYPI_IOCGBAT2CAP:
2298                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2299                         ret = -EIO;
2300                         break;
2301                 }
2302                 if (copy_to_user(argp, &val16, sizeof(val16)))
2303                         ret = -EFAULT;
2304                 break;
2305         case SONYPI_IOCGBAT2REM:
2306                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2307                         ret = -EIO;
2308                         break;
2309                 }
2310                 if (copy_to_user(argp, &val16, sizeof(val16)))
2311                         ret = -EFAULT;
2312                 break;
2313         case SONYPI_IOCGBATFLAGS:
2314                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2315                         ret = -EIO;
2316                         break;
2317                 }
2318                 val8 &= 0x07;
2319                 if (copy_to_user(argp, &val8, sizeof(val8)))
2320                         ret = -EFAULT;
2321                 break;
2322         case SONYPI_IOCGBLUE:
2323                 val8 = spic_dev.bluetooth_power;
2324                 if (copy_to_user(argp, &val8, sizeof(val8)))
2325                         ret = -EFAULT;
2326                 break;
2327         case SONYPI_IOCSBLUE:
2328                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2329                         ret = -EFAULT;
2330                         break;
2331                 }
2332                 __sony_pic_set_bluetoothpower(val8);
2333                 break;
2334         /* FAN Controls */
2335         case SONYPI_IOCGFAN:
2336                 if (sony_pic_get_fanspeed(&val8)) {
2337                         ret = -EIO;
2338                         break;
2339                 }
2340                 if (copy_to_user(argp, &val8, sizeof(val8)))
2341                         ret = -EFAULT;
2342                 break;
2343         case SONYPI_IOCSFAN:
2344                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2345                         ret = -EFAULT;
2346                         break;
2347                 }
2348                 if (sony_pic_set_fanspeed(val8))
2349                         ret = -EIO;
2350                 break;
2351         /* GET Temperature (useful under APM) */
2352         case SONYPI_IOCGTEMP:
2353                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2354                         ret = -EIO;
2355                         break;
2356                 }
2357                 if (copy_to_user(argp, &val8, sizeof(val8)))
2358                         ret = -EFAULT;
2359                 break;
2360         default:
2361                 ret = -EINVAL;
2362         }
2363         mutex_unlock(&spic_dev.lock);
2364         return ret;
2365 }
2366
2367 static const struct file_operations sonypi_misc_fops = {
2368         .owner          = THIS_MODULE,
2369         .read           = sonypi_misc_read,
2370         .poll           = sonypi_misc_poll,
2371         .open           = sonypi_misc_open,
2372         .release        = sonypi_misc_release,
2373         .fasync         = sonypi_misc_fasync,
2374         .unlocked_ioctl = sonypi_misc_ioctl,
2375 };
2376
2377 static struct miscdevice sonypi_misc_device = {
2378         .minor          = MISC_DYNAMIC_MINOR,
2379         .name           = "sonypi",
2380         .fops           = &sonypi_misc_fops,
2381 };
2382
2383 static void sonypi_compat_report_event(u8 event)
2384 {
2385         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2386         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2387         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2388 }
2389
2390 static int sonypi_compat_init(void)
2391 {
2392         int error;
2393
2394         spin_lock_init(&sonypi_compat.fifo_lock);
2395         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2396                                          &sonypi_compat.fifo_lock);
2397         if (IS_ERR(sonypi_compat.fifo)) {
2398                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2399                 return PTR_ERR(sonypi_compat.fifo);
2400         }
2401
2402         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2403
2404         if (minor != -1)
2405                 sonypi_misc_device.minor = minor;
2406         error = misc_register(&sonypi_misc_device);
2407         if (error) {
2408                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2409                 goto err_free_kfifo;
2410         }
2411         if (minor == -1)
2412                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2413                        sonypi_misc_device.minor);
2414
2415         return 0;
2416
2417 err_free_kfifo:
2418         kfifo_free(sonypi_compat.fifo);
2419         return error;
2420 }
2421
2422 static void sonypi_compat_exit(void)
2423 {
2424         misc_deregister(&sonypi_misc_device);
2425         kfifo_free(sonypi_compat.fifo);
2426 }
2427 #else
2428 static int sonypi_compat_init(void) { return 0; }
2429 static void sonypi_compat_exit(void) { }
2430 static void sonypi_compat_report_event(u8 event) { }
2431 #endif /* CONFIG_SONYPI_COMPAT */
2432
2433 /*
2434  * ACPI callbacks
2435  */
2436 static acpi_status
2437 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2438 {
2439         u32 i;
2440         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2441
2442         switch (resource->type) {
2443         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2444                 {
2445                         /* start IO enumeration */
2446                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2447                         if (!ioport)
2448                                 return AE_ERROR;
2449
2450                         list_add(&ioport->list, &dev->ioports);
2451                         return AE_OK;
2452                 }
2453
2454         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2455                 /* end IO enumeration */
2456                 return AE_OK;
2457
2458         case ACPI_RESOURCE_TYPE_IRQ:
2459                 {
2460                         struct acpi_resource_irq *p = &resource->data.irq;
2461                         struct sony_pic_irq *interrupt = NULL;
2462                         if (!p || !p->interrupt_count) {
2463                                 /*
2464                                  * IRQ descriptors may have no IRQ# bits set,
2465                                  * particularly those those w/ _STA disabled
2466                                  */
2467                                 dprintk("Blank IRQ resource\n");
2468                                 return AE_OK;
2469                         }
2470                         for (i = 0; i < p->interrupt_count; i++) {
2471                                 if (!p->interrupts[i]) {
2472                                         printk(KERN_WARNING DRV_PFX
2473                                                         "Invalid IRQ %d\n",
2474                                                         p->interrupts[i]);
2475                                         continue;
2476                                 }
2477                                 interrupt = kzalloc(sizeof(*interrupt),
2478                                                 GFP_KERNEL);
2479                                 if (!interrupt)
2480                                         return AE_ERROR;
2481
2482                                 list_add(&interrupt->list, &dev->interrupts);
2483                                 interrupt->irq.triggering = p->triggering;
2484                                 interrupt->irq.polarity = p->polarity;
2485                                 interrupt->irq.sharable = p->sharable;
2486                                 interrupt->irq.interrupt_count = 1;
2487                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2488                         }
2489                         return AE_OK;
2490                 }
2491         case ACPI_RESOURCE_TYPE_IO:
2492                 {
2493                         struct acpi_resource_io *io = &resource->data.io;
2494                         struct sony_pic_ioport *ioport =
2495                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2496                         if (!io) {
2497                                 dprintk("Blank IO resource\n");
2498                                 return AE_OK;
2499                         }
2500
2501                         if (!ioport->io1.minimum) {
2502                                 memcpy(&ioport->io1, io, sizeof(*io));
2503                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2504                                                 ioport->io1.address_length);
2505                         }
2506                         else if (!ioport->io2.minimum) {
2507                                 memcpy(&ioport->io2, io, sizeof(*io));
2508                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2509                                                 ioport->io2.address_length);
2510                         }
2511                         else {
2512                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2513                                 return AE_ERROR;
2514                         }
2515                         return AE_OK;
2516                 }
2517         default:
2518                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2519                                 resource->type);
2520
2521         case ACPI_RESOURCE_TYPE_END_TAG:
2522                 return AE_OK;
2523         }
2524         return AE_CTRL_TERMINATE;
2525 }
2526
2527 static int sony_pic_possible_resources(struct acpi_device *device)
2528 {
2529         int result = 0;
2530         acpi_status status = AE_OK;
2531
2532         if (!device)
2533                 return -EINVAL;
2534
2535         /* get device status */
2536         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2537         dprintk("Evaluating _STA\n");
2538         result = acpi_bus_get_status(device);
2539         if (result) {
2540                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2541                 goto end;
2542         }
2543
2544         if (!device->status.enabled)
2545                 dprintk("Device disabled\n");
2546         else
2547                 dprintk("Device enabled\n");
2548
2549         /*
2550          * Query and parse 'method'
2551          */
2552         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2553         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2554                         sony_pic_read_possible_resource, &spic_dev);
2555         if (ACPI_FAILURE(status)) {
2556                 printk(KERN_WARNING DRV_PFX
2557                                 "Failure evaluating %s\n",
2558                                 METHOD_NAME__PRS);
2559                 result = -ENODEV;
2560         }
2561 end:
2562         return result;
2563 }
2564
2565 /*
2566  *  Disable the spic device by calling its _DIS method
2567  */
2568 static int sony_pic_disable(struct acpi_device *device)
2569 {
2570         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2571                                                NULL);
2572
2573         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2574                 return -ENXIO;
2575
2576         dprintk("Device disabled\n");
2577         return 0;
2578 }
2579
2580
2581 /*
2582  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2583  *
2584  *  Call _SRS to set current resources
2585  */
2586 static int sony_pic_enable(struct acpi_device *device,
2587                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2588 {
2589         acpi_status status;
2590         int result = 0;
2591         /* Type 1 resource layout is:
2592          *    IO
2593          *    IO
2594          *    IRQNoFlags
2595          *    End
2596          *
2597          * Type 2 and 3 resource layout is:
2598          *    IO
2599          *    IRQNoFlags
2600          *    End
2601          */
2602         struct {
2603                 struct acpi_resource res1;
2604                 struct acpi_resource res2;
2605                 struct acpi_resource res3;
2606                 struct acpi_resource res4;
2607         } *resource;
2608         struct acpi_buffer buffer = { 0, NULL };
2609
2610         if (!ioport || !irq)
2611                 return -EINVAL;
2612
2613         /* init acpi_buffer */
2614         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2615         if (!resource)
2616                 return -ENOMEM;
2617
2618         buffer.length = sizeof(*resource) + 1;
2619         buffer.pointer = resource;
2620
2621         /* setup Type 1 resources */
2622         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2623
2624                 /* setup io resources */
2625                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2626                 resource->res1.length = sizeof(struct acpi_resource);
2627                 memcpy(&resource->res1.data.io, &ioport->io1,
2628                                 sizeof(struct acpi_resource_io));
2629
2630                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2631                 resource->res2.length = sizeof(struct acpi_resource);
2632                 memcpy(&resource->res2.data.io, &ioport->io2,
2633                                 sizeof(struct acpi_resource_io));
2634
2635                 /* setup irq resource */
2636                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2637                 resource->res3.length = sizeof(struct acpi_resource);
2638                 memcpy(&resource->res3.data.irq, &irq->irq,
2639                                 sizeof(struct acpi_resource_irq));
2640                 /* we requested a shared irq */
2641                 resource->res3.data.irq.sharable = ACPI_SHARED;
2642
2643                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2644
2645         }
2646         /* setup Type 2/3 resources */
2647         else {
2648                 /* setup io resource */
2649                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2650                 resource->res1.length = sizeof(struct acpi_resource);
2651                 memcpy(&resource->res1.data.io, &ioport->io1,
2652                                 sizeof(struct acpi_resource_io));
2653
2654                 /* setup irq resource */
2655                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2656                 resource->res2.length = sizeof(struct acpi_resource);
2657                 memcpy(&resource->res2.data.irq, &irq->irq,
2658                                 sizeof(struct acpi_resource_irq));
2659                 /* we requested a shared irq */
2660                 resource->res2.data.irq.sharable = ACPI_SHARED;
2661
2662                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2663         }
2664
2665         /* Attempt to set the resource */
2666         dprintk("Evaluating _SRS\n");
2667         status = acpi_set_current_resources(device->handle, &buffer);
2668
2669         /* check for total failure */
2670         if (ACPI_FAILURE(status)) {
2671                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2672                 result = -ENODEV;
2673                 goto end;
2674         }
2675
2676         /* Necessary device initializations calls (from sonypi) */
2677         sony_pic_call1(0x82);
2678         sony_pic_call2(0x81, 0xff);
2679         sony_pic_call1(compat ? 0x92 : 0x82);
2680
2681 end:
2682         kfree(resource);
2683         return result;
2684 }
2685
2686 /*****************
2687  *
2688  * ISR: some event is available
2689  *
2690  *****************/
2691 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2692 {
2693         int i, j;
2694         u8 ev = 0;
2695         u8 data_mask = 0;
2696         u8 device_event = 0;
2697
2698         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2699
2700         ev = inb_p(dev->cur_ioport->io1.minimum);
2701         if (dev->cur_ioport->io2.minimum)
2702                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2703         else
2704                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2705                                 dev->control->evport_offset);
2706
2707         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2708                         ev, data_mask, dev->cur_ioport->io1.minimum,
2709                         dev->control->evport_offset);
2710
2711         if (ev == 0x00 || ev == 0xff)
2712                 return IRQ_HANDLED;
2713
2714         for (i = 0; dev->control->event_types[i].mask; i++) {
2715
2716                 if ((data_mask & dev->control->event_types[i].data) !=
2717                     dev->control->event_types[i].data)
2718                         continue;
2719
2720                 if (!(mask & dev->control->event_types[i].mask))
2721                         continue;
2722
2723                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2724                         if (ev == dev->control->event_types[i].events[j].data) {
2725                                 device_event =
2726                                         dev->control->
2727                                                 event_types[i].events[j].event;
2728                                 goto found;
2729                         }
2730                 }
2731         }
2732         /* Still not able to decode the event try to pass
2733          * it over to the minidriver
2734          */
2735         if (dev->control->handle_irq &&
2736                         dev->control->handle_irq(data_mask, ev) == 0)
2737                 return IRQ_HANDLED;
2738
2739         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2740                         ev, data_mask, dev->cur_ioport->io1.minimum,
2741                         dev->control->evport_offset);
2742         return IRQ_HANDLED;
2743
2744 found:
2745         sony_laptop_report_input_event(device_event);
2746         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2747         sonypi_compat_report_event(device_event);
2748
2749         return IRQ_HANDLED;
2750 }
2751
2752 /*****************
2753  *
2754  *  ACPI driver
2755  *
2756  *****************/
2757 static int sony_pic_remove(struct acpi_device *device, int type)
2758 {
2759         struct sony_pic_ioport *io, *tmp_io;
2760         struct sony_pic_irq *irq, *tmp_irq;
2761
2762         if (sony_pic_disable(device)) {
2763                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2764                 return -ENXIO;
2765         }
2766
2767         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2768         release_region(spic_dev.cur_ioport->io1.minimum,
2769                         spic_dev.cur_ioport->io1.address_length);
2770         if (spic_dev.cur_ioport->io2.minimum)
2771                 release_region(spic_dev.cur_ioport->io2.minimum,
2772                                 spic_dev.cur_ioport->io2.address_length);
2773
2774         sonypi_compat_exit();
2775
2776         sony_laptop_remove_input();
2777
2778         /* pf attrs */
2779         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2780         sony_pf_remove();
2781
2782         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2783                 list_del(&io->list);
2784                 kfree(io);
2785         }
2786         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2787                 list_del(&irq->list);
2788                 kfree(irq);
2789         }
2790         spic_dev.cur_ioport = NULL;
2791         spic_dev.cur_irq = NULL;
2792
2793         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2794         return 0;
2795 }
2796
2797 static int sony_pic_add(struct acpi_device *device)
2798 {
2799         int result;
2800         struct sony_pic_ioport *io, *tmp_io;
2801         struct sony_pic_irq *irq, *tmp_irq;
2802
2803         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2804                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2805
2806         spic_dev.acpi_dev = device;
2807         strcpy(acpi_device_class(device), "sony/hotkey");
2808         sony_pic_detect_device_type(&spic_dev);
2809         mutex_init(&spic_dev.lock);
2810
2811         /* read _PRS resources */
2812         result = sony_pic_possible_resources(device);
2813         if (result) {
2814                 printk(KERN_ERR DRV_PFX
2815                                 "Unabe to read possible resources.\n");
2816                 goto err_free_resources;
2817         }
2818
2819         /* setup input devices and helper fifo */
2820         result = sony_laptop_setup_input(device);
2821         if (result) {
2822                 printk(KERN_ERR DRV_PFX
2823                                 "Unabe to create input devices.\n");
2824                 goto err_free_resources;
2825         }
2826
2827         if (sonypi_compat_init())
2828                 goto err_remove_input;
2829
2830         /* request io port */
2831         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2832                 if (request_region(io->io1.minimum, io->io1.address_length,
2833                                         "Sony Programable I/O Device")) {
2834                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2835                                         io->io1.minimum, io->io1.maximum,
2836                                         io->io1.address_length);
2837                         /* Type 1 have 2 ioports */
2838                         if (io->io2.minimum) {
2839                                 if (request_region(io->io2.minimum,
2840                                                 io->io2.address_length,
2841                                                 "Sony Programable I/O Device")) {
2842                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2843                                                         io->io2.minimum, io->io2.maximum,
2844                                                         io->io2.address_length);
2845                                         spic_dev.cur_ioport = io;
2846                                         break;
2847                                 }
2848                                 else {
2849                                         dprintk("Unable to get I/O port2: "
2850                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2851                                                         io->io2.minimum, io->io2.maximum,
2852                                                         io->io2.address_length);
2853                                         release_region(io->io1.minimum,
2854                                                         io->io1.address_length);
2855                                 }
2856                         }
2857                         else {
2858                                 spic_dev.cur_ioport = io;
2859                                 break;
2860                         }
2861                 }
2862         }
2863         if (!spic_dev.cur_ioport) {
2864                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2865                 result = -ENODEV;
2866                 goto err_remove_compat;
2867         }
2868
2869         /* request IRQ */
2870         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2871                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2872                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2873                         dprintk("IRQ: %d - triggering: %d - "
2874                                         "polarity: %d - shr: %d\n",
2875                                         irq->irq.interrupts[0],
2876                                         irq->irq.triggering,
2877                                         irq->irq.polarity,
2878                                         irq->irq.sharable);
2879                         spic_dev.cur_irq = irq;
2880                         break;
2881                 }
2882         }
2883         if (!spic_dev.cur_irq) {
2884                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2885                 result = -ENODEV;
2886                 goto err_release_region;
2887         }
2888
2889         /* set resource status _SRS */
2890         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2891         if (result) {
2892                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2893                 goto err_free_irq;
2894         }
2895
2896         spic_dev.bluetooth_power = -1;
2897         /* create device attributes */
2898         result = sony_pf_add();
2899         if (result)
2900                 goto err_disable_device;
2901
2902         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2903         if (result)
2904                 goto err_remove_pf;
2905
2906         return 0;
2907
2908 err_remove_pf:
2909         sony_pf_remove();
2910
2911 err_disable_device:
2912         sony_pic_disable(device);
2913
2914 err_free_irq:
2915         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2916
2917 err_release_region:
2918         release_region(spic_dev.cur_ioport->io1.minimum,
2919                         spic_dev.cur_ioport->io1.address_length);
2920         if (spic_dev.cur_ioport->io2.minimum)
2921                 release_region(spic_dev.cur_ioport->io2.minimum,
2922                                 spic_dev.cur_ioport->io2.address_length);
2923
2924 err_remove_compat:
2925         sonypi_compat_exit();
2926
2927 err_remove_input:
2928         sony_laptop_remove_input();
2929
2930 err_free_resources:
2931         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2932                 list_del(&io->list);
2933                 kfree(io);
2934         }
2935         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2936                 list_del(&irq->list);
2937                 kfree(irq);
2938         }
2939         spic_dev.cur_ioport = NULL;
2940         spic_dev.cur_irq = NULL;
2941
2942         return result;
2943 }
2944
2945 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2946 {
2947         if (sony_pic_disable(device))
2948                 return -ENXIO;
2949         return 0;
2950 }
2951
2952 static int sony_pic_resume(struct acpi_device *device)
2953 {
2954         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2955         return 0;
2956 }
2957
2958 static const struct acpi_device_id sony_pic_device_ids[] = {
2959         {SONY_PIC_HID, 0},
2960         {"", 0},
2961 };
2962
2963 static struct acpi_driver sony_pic_driver = {
2964         .name = SONY_PIC_DRIVER_NAME,
2965         .class = SONY_PIC_CLASS,
2966         .ids = sony_pic_device_ids,
2967         .owner = THIS_MODULE,
2968         .ops = {
2969                 .add = sony_pic_add,
2970                 .remove = sony_pic_remove,
2971                 .suspend = sony_pic_suspend,
2972                 .resume = sony_pic_resume,
2973                 },
2974 };
2975
2976 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2977         {
2978                 .ident = "Sony Vaio",
2979                 .matches = {
2980                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2981                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2982                 },
2983         },
2984         {
2985                 .ident = "Sony Vaio",
2986                 .matches = {
2987                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2988                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2989                 },
2990         },
2991         { }
2992 };
2993
2994 static int __init sony_laptop_init(void)
2995 {
2996         int result;
2997
2998         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2999                 result = acpi_bus_register_driver(&sony_pic_driver);
3000                 if (result) {
3001                         printk(KERN_ERR DRV_PFX
3002                                         "Unable to register SPIC driver.");
3003                         goto out;
3004                 }
3005         }
3006
3007         result = acpi_bus_register_driver(&sony_nc_driver);
3008         if (result) {
3009                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
3010                 goto out_unregister_pic;
3011         }
3012
3013         return 0;
3014
3015 out_unregister_pic:
3016         if (!no_spic)
3017                 acpi_bus_unregister_driver(&sony_pic_driver);
3018 out:
3019         return result;
3020 }
3021
3022 static void __exit sony_laptop_exit(void)
3023 {
3024         acpi_bus_unregister_driver(&sony_nc_driver);
3025         if (!no_spic)
3026                 acpi_bus_unregister_driver(&sony_pic_driver);
3027 }
3028
3029 module_init(sony_laptop_init);
3030 module_exit(sony_laptop_exit);