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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  46
  47 #include <linux/kernel.h>
  48 #include <linux/module.h>
  49 #include <linux/moduleparam.h>
  50 #include <linux/init.h>
  51 #include <linux/types.h>
  52 #include <linux/backlight.h>
  53 #include <linux/platform_device.h>
  54 #include <linux/err.h>
  55 #include <linux/dmi.h>
  56 #include <linux/pci.h>
  57 #include <linux/interrupt.h>
  58 #include <linux/delay.h>
  59 #include <linux/input.h>
  60 #include <linux/kfifo.h>
  61 #include <linux/workqueue.h>
  62 #include <linux/acpi.h>
  63 #include <linux/slab.h>
  64 #include <acpi/acpi_drivers.h>
  65 #include <acpi/acpi_bus.h>
  66 #include <asm/uaccess.h>
  67 #include <linux/sonypi.h>
  68 #include <linux/sony-laptop.h>
  69 #include <linux/rfkill.h>
  70 #ifdef CONFIG_SONYPI_COMPAT
  71 #include <linux/poll.h>
  72 #include <linux/miscdevice.h>
  73 #endif
  74
  75 #define dprintk(fmt, ...)                       \
  76 do {                                            \
  77         if (debug)                              \
  78                 pr_warn(fmt, ##__VA_ARGS__);    \
  79 } while (0)
  80
  81 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  82
  83 #define SONY_NC_CLASS           "sony-nc"
  84 #define SONY_NC_HID             "SNY5001"
  85 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  86
  87 #define SONY_PIC_CLASS          "sony-pic"
  88 #define SONY_PIC_HID            "SNY6001"
  89 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  90
  91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  93 MODULE_LICENSE("GPL");
  94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  95
  96 static int debug;
  97 module_param(debug, int, 0);
  98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  99                  "the development of this driver");
 100
 101 static int no_spic;             /* = 0 */
 102 module_param(no_spic, int, 0444);
 103 MODULE_PARM_DESC(no_spic,
 104                  "set this if you don't want to enable the SPIC device");
 105
 106 static int compat;              /* = 0 */
 107 module_param(compat, int, 0444);
 108 MODULE_PARM_DESC(compat,
 109                  "set this if you want to enable backward compatibility mode");
 110
 111 static unsigned long mask = 0xffffffff;
 112 module_param(mask, ulong, 0644);
 113 MODULE_PARM_DESC(mask,
 114                  "set this to the mask of event you want to enable (see doc)");
 115
 116 static int camera;              /* = 0 */
 117 module_param(camera, int, 0444);
 118 MODULE_PARM_DESC(camera,
 119                  "set this to 1 to enable Motion Eye camera controls "
 120                  "(only use it if you have a C1VE or C1VN model)");
 121
 122 #ifdef CONFIG_SONYPI_COMPAT
 123 static int minor = -1;
 124 module_param(minor, int, 0);
 125 MODULE_PARM_DESC(minor,
 126                  "minor number of the misc device for the SPIC compatibility code, "
 127                  "default is -1 (automatic)");
 128 #endif
 129
 130 static int kbd_backlight = 1;
 131 module_param(kbd_backlight, int, 0444);
 132 MODULE_PARM_DESC(kbd_backlight,
 133                  "set this to 0 to disable keyboard backlight, "
 134                  "1 to enable it (default: 0)");
 135
 136 static int kbd_backlight_timeout;       /* = 0 */
 137 module_param(kbd_backlight_timeout, int, 0444);
 138 MODULE_PARM_DESC(kbd_backlight_timeout,
 139                  "set this to 0 to set the default 10 seconds timeout, "
 140                  "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
 141                  "(default: 0)");
 142
 143 #ifdef CONFIG_PM_SLEEP
 144 static void sony_nc_kbd_backlight_resume(void);
 145 static void sony_nc_thermal_resume(void);
 146 #endif
 147 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
 148                 unsigned int handle);
 149 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
 150
 151 static int sony_nc_battery_care_setup(struct platform_device *pd,
 152                 unsigned int handle);
 153 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
 154
 155 static int sony_nc_thermal_setup(struct platform_device *pd);
 156 static void sony_nc_thermal_cleanup(struct platform_device *pd);
 157
 158 static int sony_nc_lid_resume_setup(struct platform_device *pd);
 159 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
 160
 161 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
 162                 unsigned int handle);
 163 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
 164 static int __sony_nc_gfx_switch_status_get(void);
 165
 166 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
 167 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
 168
 169 static int sony_nc_touchpad_setup(struct platform_device *pd,
 170                                   unsigned int handle);
 171 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
 172
 173 enum sony_nc_rfkill {
 174         SONY_WIFI,
 175         SONY_BLUETOOTH,
 176         SONY_WWAN,
 177         SONY_WIMAX,
 178         N_SONY_RFKILL,
 179 };
 180
 181 static int sony_rfkill_handle;
 182 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 183 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 184 static int sony_nc_rfkill_setup(struct acpi_device *device,
 185                 unsigned int handle);
 186 static void sony_nc_rfkill_cleanup(void);
 187 static void sony_nc_rfkill_update(void);
 188
 189 /*********** Input Devices ***********/
 190
 191 #define SONY_LAPTOP_BUF_SIZE    128
 192 struct sony_laptop_input_s {
 193         atomic_t                users;
 194         struct input_dev        *jog_dev;
 195         struct input_dev        *key_dev;
 196         struct kfifo            fifo;
 197         spinlock_t              fifo_lock;
 198         struct timer_list       release_key_timer;
 199 };
 200
 201 static struct sony_laptop_input_s sony_laptop_input = {
 202         .users = ATOMIC_INIT(0),
 203 };
 204
 205 struct sony_laptop_keypress {
 206         struct input_dev *dev;
 207         int key;
 208 };
 209
 210 /* Correspondance table between sonypi events
 211  * and input layer indexes in the keymap
 212  */
 213 static int sony_laptop_input_index[] = {
 214         -1,     /*  0 no event */
 215         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 216         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 217         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 218         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 219         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 220         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 221          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 222          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 223          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 224          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 225          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 226          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 227          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 228          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 229          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 230          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 231         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 232         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 233         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 234         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 235         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 236         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 237         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 238         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 239         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 240         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 241         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 242         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 243         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 244         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 245         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 246         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 247         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 248         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 249         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 250         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 251         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 252         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 253         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 254         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 255         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 256         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 257         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 258         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 259         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 260         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 261         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 262         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 263         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 264         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 265         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 266         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 267         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 268         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 269         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 270         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 271         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 272         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 273         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 274         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 275         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 276         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 277         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 278         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 279         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 280         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 281         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 282         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 283         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 284         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 285         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 286         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 287         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
 288 };
 289
 290 static int sony_laptop_input_keycode_map[] = {
 291         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 292         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 293         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 294         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 295         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 296         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 297         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 298         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 299         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 300         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 301         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 302         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 303         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 304         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 305         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 306         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 307         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 308         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 309         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 310         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 311         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 312         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 313         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 314         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 315         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 316         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 317         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 318         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 319         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 320         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 321         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 322         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 323         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 324         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 325         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 326         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 327         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 328         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 329         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 330         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 331         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 332         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 333         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 334         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 335         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 336         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 337         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 338         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 339         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 340         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 341         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 342         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 343         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 344         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 345         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 346         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 347         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 348         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 349         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 350         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
 351 };
 352
 353 /* release buttons after a short delay if pressed */
 354 static void do_sony_laptop_release_key(unsigned long unused)
 355 {
 356         struct sony_laptop_keypress kp;
 357         unsigned long flags;
 358
 359         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 360
 361         if (kfifo_out(&sony_laptop_input.fifo,
 362                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 363                 input_report_key(kp.dev, kp.key, 0);
 364                 input_sync(kp.dev);
 365         }
 366
 367         /* If there is something in the fifo schedule next release. */
 368         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 369                 mod_timer(&sony_laptop_input.release_key_timer,
 370                           jiffies + msecs_to_jiffies(10));
 371
 372         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 373 }
 374
 375 /* forward event to the input subsystem */
 376 static void sony_laptop_report_input_event(u8 event)
 377 {
 378         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 379         struct input_dev *key_dev = sony_laptop_input.key_dev;
 380         struct sony_laptop_keypress kp = { NULL };
 381         int scancode = -1;
 382
 383         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 384                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 385                 /* Nothing, not all VAIOs generate this event */
 386                 return;
 387         }
 388
 389         /* report events */
 390         switch (event) {
 391         /* jog_dev events */
 392         case SONYPI_EVENT_JOGDIAL_UP:
 393         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 394                 input_report_rel(jog_dev, REL_WHEEL, 1);
 395                 input_sync(jog_dev);
 396                 return;
 397
 398         case SONYPI_EVENT_JOGDIAL_DOWN:
 399         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 400                 input_report_rel(jog_dev, REL_WHEEL, -1);
 401                 input_sync(jog_dev);
 402                 return;
 403
 404         /* key_dev events */
 405         case SONYPI_EVENT_JOGDIAL_PRESSED:
 406                 kp.key = BTN_MIDDLE;
 407                 kp.dev = jog_dev;
 408                 break;
 409
 410         default:
 411                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 412                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 413                         break;
 414                 }
 415                 if ((scancode = sony_laptop_input_index[event]) != -1) {
 416                         kp.key = sony_laptop_input_keycode_map[scancode];
 417                         if (kp.key != KEY_UNKNOWN)
 418                                 kp.dev = key_dev;
 419                 }
 420                 break;
 421         }
 422
 423         if (kp.dev) {
 424                 /* if we have a scancode we emit it so we can always
 425                     remap the key */
 426                 if (scancode != -1)
 427                         input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
 428                 input_report_key(kp.dev, kp.key, 1);
 429                 input_sync(kp.dev);
 430
 431                 /* schedule key release */
 432                 kfifo_in_locked(&sony_laptop_input.fifo,
 433                                 (unsigned char *)&kp, sizeof(kp),
 434                                 &sony_laptop_input.fifo_lock);
 435                 mod_timer(&sony_laptop_input.release_key_timer,
 436                           jiffies + msecs_to_jiffies(10));
 437         } else
 438                 dprintk("unknown input event %.2x\n", event);
 439 }
 440
 441 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 442 {
 443         struct input_dev *jog_dev;
 444         struct input_dev *key_dev;
 445         int i;
 446         int error;
 447
 448         /* don't run again if already initialized */
 449         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 450                 return 0;
 451
 452         /* kfifo */
 453         spin_lock_init(&sony_laptop_input.fifo_lock);
 454         error = kfifo_alloc(&sony_laptop_input.fifo,
 455                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 456         if (error) {
 457                 pr_err("kfifo_alloc failed\n");
 458                 goto err_dec_users;
 459         }
 460
 461         setup_timer(&sony_laptop_input.release_key_timer,
 462                     do_sony_laptop_release_key, 0);
 463
 464         /* input keys */
 465         key_dev = input_allocate_device();
 466         if (!key_dev) {
 467                 error = -ENOMEM;
 468                 goto err_free_kfifo;
 469         }
 470
 471         key_dev->name = "Sony Vaio Keys";
 472         key_dev->id.bustype = BUS_ISA;
 473         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 474         key_dev->dev.parent = &acpi_device->dev;
 475
 476         /* Initialize the Input Drivers: special keys */
 477         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 478
 479         __set_bit(EV_KEY, key_dev->evbit);
 480         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 481         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 482         key_dev->keycode = &sony_laptop_input_keycode_map;
 483         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 484                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 485         __clear_bit(KEY_RESERVED, key_dev->keybit);
 486
 487         error = input_register_device(key_dev);
 488         if (error)
 489                 goto err_free_keydev;
 490
 491         sony_laptop_input.key_dev = key_dev;
 492
 493         /* jogdial */
 494         jog_dev = input_allocate_device();
 495         if (!jog_dev) {
 496                 error = -ENOMEM;
 497                 goto err_unregister_keydev;
 498         }
 499
 500         jog_dev->name = "Sony Vaio Jogdial";
 501         jog_dev->id.bustype = BUS_ISA;
 502         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 503         jog_dev->dev.parent = &acpi_device->dev;
 504
 505         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 506         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 507
 508         error = input_register_device(jog_dev);
 509         if (error)
 510                 goto err_free_jogdev;
 511
 512         sony_laptop_input.jog_dev = jog_dev;
 513
 514         return 0;
 515
 516 err_free_jogdev:
 517         input_free_device(jog_dev);
 518
 519 err_unregister_keydev:
 520         input_unregister_device(key_dev);
 521         /* to avoid kref underflow below at input_free_device */
 522         key_dev = NULL;
 523
 524 err_free_keydev:
 525         input_free_device(key_dev);
 526
 527 err_free_kfifo:
 528         kfifo_free(&sony_laptop_input.fifo);
 529
 530 err_dec_users:
 531         atomic_dec(&sony_laptop_input.users);
 532         return error;
 533 }
 534
 535 static void sony_laptop_remove_input(void)
 536 {
 537         struct sony_laptop_keypress kp = { NULL };
 538
 539         /* Cleanup only after the last user has gone */
 540         if (!atomic_dec_and_test(&sony_laptop_input.users))
 541                 return;
 542
 543         del_timer_sync(&sony_laptop_input.release_key_timer);
 544
 545         /*
 546          * Generate key-up events for remaining keys. Note that we don't
 547          * need locking since nobody is adding new events to the kfifo.
 548          */
 549         while (kfifo_out(&sony_laptop_input.fifo,
 550                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 551                 input_report_key(kp.dev, kp.key, 0);
 552                 input_sync(kp.dev);
 553         }
 554
 555         /* destroy input devs */
 556         input_unregister_device(sony_laptop_input.key_dev);
 557         sony_laptop_input.key_dev = NULL;
 558
 559         if (sony_laptop_input.jog_dev) {
 560                 input_unregister_device(sony_laptop_input.jog_dev);
 561                 sony_laptop_input.jog_dev = NULL;
 562         }
 563
 564         kfifo_free(&sony_laptop_input.fifo);
 565 }
 566
 567 /*********** Platform Device ***********/
 568
 569 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 570 static struct platform_driver sony_pf_driver = {
 571         .driver = {
 572                    .name = "sony-laptop",
 573                    .owner = THIS_MODULE,
 574                    }
 575 };
 576 static struct platform_device *sony_pf_device;
 577
 578 static int sony_pf_add(void)
 579 {
 580         int ret = 0;
 581
 582         /* don't run again if already initialized */
 583         if (atomic_add_return(1, &sony_pf_users) > 1)
 584                 return 0;
 585
 586         ret = platform_driver_register(&sony_pf_driver);
 587         if (ret)
 588                 goto out;
 589
 590         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 591         if (!sony_pf_device) {
 592                 ret = -ENOMEM;
 593                 goto out_platform_registered;
 594         }
 595
 596         ret = platform_device_add(sony_pf_device);
 597         if (ret)
 598                 goto out_platform_alloced;
 599
 600         return 0;
 601
 602       out_platform_alloced:
 603         platform_device_put(sony_pf_device);
 604         sony_pf_device = NULL;
 605       out_platform_registered:
 606         platform_driver_unregister(&sony_pf_driver);
 607       out:
 608         atomic_dec(&sony_pf_users);
 609         return ret;
 610 }
 611
 612 static void sony_pf_remove(void)
 613 {
 614         /* deregister only after the last user has gone */
 615         if (!atomic_dec_and_test(&sony_pf_users))
 616                 return;
 617
 618         platform_device_unregister(sony_pf_device);
 619         platform_driver_unregister(&sony_pf_driver);
 620 }
 621
 622 /*********** SNC (SNY5001) Device ***********/
 623
 624 /* the device uses 1-based values, while the backlight subsystem uses
 625    0-based values */
 626 #define SONY_MAX_BRIGHTNESS     8
 627
 628 #define SNC_VALIDATE_IN         0
 629 #define SNC_VALIDATE_OUT        1
 630
 631 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 632                               char *);
 633 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 634                                const char *, size_t);
 635 static int boolean_validate(const int, const int);
 636 static int brightness_default_validate(const int, const int);
 637
 638 struct sony_nc_value {
 639         char *name;             /* name of the entry */
 640         char **acpiget;         /* names of the ACPI get function */
 641         char **acpiset;         /* names of the ACPI set function */
 642         int (*validate)(const int, const int);  /* input/output validation */
 643         int value;              /* current setting */
 644         int valid;              /* Has ever been set */
 645         int debug;              /* active only in debug mode ? */
 646         struct device_attribute devattr;        /* sysfs attribute */
 647 };
 648
 649 #define SNC_HANDLE_NAMES(_name, _values...) \
 650         static char *snc_##_name[] = { _values, NULL }
 651
 652 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 653         { \
 654                 .name           = __stringify(_name), \
 655                 .acpiget        = _getters, \
 656                 .acpiset        = _setters, \
 657                 .validate       = _validate, \
 658                 .debug          = _debug, \
 659                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 660         }
 661
 662 #define SNC_HANDLE_NULL { .name = NULL }
 663
 664 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 665
 666 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 667 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 668
 669 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 670 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 671
 672 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 673 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 674
 675 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 676 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 677
 678 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 679
 680 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 681 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 682
 683 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 684 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 685
 686 SNC_HANDLE_NAMES(PID_get, "GPID");
 687
 688 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 689 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 690
 691 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 692 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 693
 694 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 695 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 696
 697 static struct sony_nc_value sony_nc_values[] = {
 698         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 699                         snc_brightness_def_set, brightness_default_validate, 0),
 700         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 701         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 702         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 703                         boolean_validate, 0),
 704         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 705                         boolean_validate, 1),
 706         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 707                         boolean_validate, 0),
 708         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 709                         boolean_validate, 0),
 710         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 711                         boolean_validate, 0),
 712         /* unknown methods */
 713         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 714         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 715         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 716         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 717         SNC_HANDLE_NULL
 718 };
 719
 720 static acpi_handle sony_nc_acpi_handle;
 721 static struct acpi_device *sony_nc_acpi_device = NULL;
 722
 723 /*
 724  * acpi_evaluate_object wrappers
 725  * all useful calls into SNC methods take one or zero parameters and return
 726  * integers or arrays.
 727  */
 728 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
 729                 u64 *value)
 730 {
 731         union acpi_object *result = NULL;
 732         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 733         acpi_status status;
 734
 735         if (value) {
 736                 struct acpi_object_list params;
 737                 union acpi_object in;
 738                 in.type = ACPI_TYPE_INTEGER;
 739                 in.integer.value = *value;
 740                 params.count = 1;
 741                 params.pointer = &in;
 742                 status = acpi_evaluate_object(handle, method, &params, &output);
 743                 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
 744                                 (unsigned int)(*value >> 32),
 745                                 (unsigned int)*value & 0xffffffff);
 746         } else {
 747                 status = acpi_evaluate_object(handle, method, NULL, &output);
 748                 dprintk("__call_snc_method: [%s]\n", method);
 749         }
 750
 751         if (ACPI_FAILURE(status)) {
 752                 pr_err("Failed to evaluate [%s]\n", method);
 753                 return NULL;
 754         }
 755
 756         result = (union acpi_object *) output.pointer;
 757         if (!result)
 758                 dprintk("No return object [%s]\n", method);
 759
 760         return result;
 761 }
 762
 763 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
 764                 int *result)
 765 {
 766         union acpi_object *object = NULL;
 767         if (value) {
 768                 u64 v = *value;
 769                 object = __call_snc_method(handle, name, &v);
 770         } else
 771                 object = __call_snc_method(handle, name, NULL);
 772
 773         if (!object)
 774                 return -EINVAL;
 775
 776         if (object->type != ACPI_TYPE_INTEGER) {
 777                 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
 778                                 ACPI_TYPE_INTEGER, object->type);
 779                 kfree(object);
 780                 return -EINVAL;
 781         }
 782
 783         if (result)
 784                 *result = object->integer.value;
 785
 786         kfree(object);
 787         return 0;
 788 }
 789
 790 #define MIN(a, b)       (a > b ? b : a)
 791 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
 792                 void *buffer, size_t buflen)
 793 {
 794         int ret = 0;
 795         size_t len = len;
 796         union acpi_object *object = __call_snc_method(handle, name, value);
 797
 798         if (!object)
 799                 return -EINVAL;
 800
 801         if (object->type == ACPI_TYPE_BUFFER) {
 802                 len = MIN(buflen, object->buffer.length);
 803                 memcpy(buffer, object->buffer.pointer, len);
 804
 805         } else if (object->type == ACPI_TYPE_INTEGER) {
 806                 len = MIN(buflen, sizeof(object->integer.value));
 807                 memcpy(buffer, &object->integer.value, len);
 808
 809         } else {
 810                 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
 811                                 ACPI_TYPE_BUFFER, object->type);
 812                 ret = -EINVAL;
 813         }
 814
 815         kfree(object);
 816         return ret;
 817 }
 818
 819 struct sony_nc_handles {
 820         u16 cap[0x10];
 821         struct device_attribute devattr;
 822 };
 823
 824 static struct sony_nc_handles *handles;
 825
 826 static ssize_t sony_nc_handles_show(struct device *dev,
 827                 struct device_attribute *attr, char *buffer)
 828 {
 829         ssize_t len = 0;
 830         int i;
 831
 832         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 833                 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
 834                                 handles->cap[i]);
 835         }
 836         len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
 837
 838         return len;
 839 }
 840
 841 static int sony_nc_handles_setup(struct platform_device *pd)
 842 {
 843         int i, r, result, arg;
 844
 845         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
 846         if (!handles)
 847                 return -ENOMEM;
 848
 849         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 850                 arg = i + 0x20;
 851                 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
 852                                         &result);
 853                 if (!r) {
 854                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
 855                                         result, i);
 856                         handles->cap[i] = result;
 857                 }
 858         }
 859
 860         if (debug) {
 861                 sysfs_attr_init(&handles->devattr.attr);
 862                 handles->devattr.attr.name = "handles";
 863                 handles->devattr.attr.mode = S_IRUGO;
 864                 handles->devattr.show = sony_nc_handles_show;
 865
 866                 /* allow reading capabilities via sysfs */
 867                 if (device_create_file(&pd->dev, &handles->devattr)) {
 868                         kfree(handles);
 869                         handles = NULL;
 870                         return -1;
 871                 }
 872         }
 873
 874         return 0;
 875 }
 876
 877 static int sony_nc_handles_cleanup(struct platform_device *pd)
 878 {
 879         if (handles) {
 880                 if (debug)
 881                         device_remove_file(&pd->dev, &handles->devattr);
 882                 kfree(handles);
 883                 handles = NULL;
 884         }
 885         return 0;
 886 }
 887
 888 static int sony_find_snc_handle(int handle)
 889 {
 890         int i;
 891
 892         /* not initialized yet, return early */
 893         if (!handles || !handle)
 894                 return -EINVAL;
 895
 896         for (i = 0; i < 0x10; i++) {
 897                 if (handles->cap[i] == handle) {
 898                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
 899                                         handle, i);
 900                         return i;
 901                 }
 902         }
 903         dprintk("handle 0x%.4x not found\n", handle);
 904         return -EINVAL;
 905 }
 906
 907 static int sony_call_snc_handle(int handle, int argument, int *result)
 908 {
 909         int arg, ret = 0;
 910         int offset = sony_find_snc_handle(handle);
 911
 912         if (offset < 0)
 913                 return offset;
 914
 915         arg = offset | argument;
 916         ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
 917         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
 918         return ret;
 919 }
 920
 921 /*
 922  * sony_nc_values input/output validate functions
 923  */
 924
 925 /* brightness_default_validate:
 926  *
 927  * manipulate input output values to keep consistency with the
 928  * backlight framework for which brightness values are 0-based.
 929  */
 930 static int brightness_default_validate(const int direction, const int value)
 931 {
 932         switch (direction) {
 933                 case SNC_VALIDATE_OUT:
 934                         return value - 1;
 935                 case SNC_VALIDATE_IN:
 936                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 937                                 return value + 1;
 938         }
 939         return -EINVAL;
 940 }
 941
 942 /* boolean_validate:
 943  *
 944  * on input validate boolean values 0/1, on output just pass the
 945  * received value.
 946  */
 947 static int boolean_validate(const int direction, const int value)
 948 {
 949         if (direction == SNC_VALIDATE_IN) {
 950                 if (value != 0 && value != 1)
 951                         return -EINVAL;
 952         }
 953         return value;
 954 }
 955
 956 /*
 957  * Sysfs show/store common to all sony_nc_values
 958  */
 959 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 960                               char *buffer)
 961 {
 962         int value, ret = 0;
 963         struct sony_nc_value *item =
 964             container_of(attr, struct sony_nc_value, devattr);
 965
 966         if (!*item->acpiget)
 967                 return -EIO;
 968
 969         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
 970                                 &value);
 971         if (ret < 0)
 972                 return -EIO;
 973
 974         if (item->validate)
 975                 value = item->validate(SNC_VALIDATE_OUT, value);
 976
 977         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 978 }
 979
 980 static ssize_t sony_nc_sysfs_store(struct device *dev,
 981                                struct device_attribute *attr,
 982                                const char *buffer, size_t count)
 983 {
 984         int value;
 985         int ret = 0;
 986         struct sony_nc_value *item =
 987             container_of(attr, struct sony_nc_value, devattr);
 988
 989         if (!item->acpiset)
 990                 return -EIO;
 991
 992         if (count > 31)
 993                 return -EINVAL;
 994
 995         if (kstrtoint(buffer, 10, &value))
 996                 return -EINVAL;
 997
 998         if (item->validate)
 999                 value = item->validate(SNC_VALIDATE_IN, value);
1000
1001         if (value < 0)
1002                 return value;
1003
1004         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1005                                &value, NULL);
1006         if (ret < 0)
1007                 return -EIO;
1008
1009         item->value = value;
1010         item->valid = 1;
1011         return count;
1012 }
1013
1014
1015 /*
1016  * Backlight device
1017  */
1018 struct sony_backlight_props {
1019         struct backlight_device *dev;
1020         int                     handle;
1021         int                     cmd_base;
1022         u8                      offset;
1023         u8                      maxlvl;
1024 };
1025 struct sony_backlight_props sony_bl_props;
1026
1027 static int sony_backlight_update_status(struct backlight_device *bd)
1028 {
1029         int arg = bd->props.brightness + 1;
1030         return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1031 }
1032
1033 static int sony_backlight_get_brightness(struct backlight_device *bd)
1034 {
1035         int value;
1036
1037         if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1038                 return 0;
1039         /* brightness levels are 1-based, while backlight ones are 0-based */
1040         return value - 1;
1041 }
1042
1043 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1044 {
1045         int result;
1046         struct sony_backlight_props *sdev =
1047                 (struct sony_backlight_props *)bl_get_data(bd);
1048
1049         sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1050
1051         return (result & 0xff) - sdev->offset;
1052 }
1053
1054 static int sony_nc_update_status_ng(struct backlight_device *bd)
1055 {
1056         int value, result;
1057         struct sony_backlight_props *sdev =
1058                 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060         value = bd->props.brightness + sdev->offset;
1061         if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1062                                 &result))
1063                 return -EIO;
1064
1065         return value;
1066 }
1067
1068 static const struct backlight_ops sony_backlight_ops = {
1069         .options = BL_CORE_SUSPENDRESUME,
1070         .update_status = sony_backlight_update_status,
1071         .get_brightness = sony_backlight_get_brightness,
1072 };
1073 static const struct backlight_ops sony_backlight_ng_ops = {
1074         .options = BL_CORE_SUSPENDRESUME,
1075         .update_status = sony_nc_update_status_ng,
1076         .get_brightness = sony_nc_get_brightness_ng,
1077 };
1078
1079 /*
1080  * New SNC-only Vaios event mapping to driver known keys
1081  */
1082 struct sony_nc_event {
1083         u8      data;
1084         u8      event;
1085 };
1086
1087 static struct sony_nc_event sony_100_events[] = {
1088         { 0x90, SONYPI_EVENT_PKEY_P1 },
1089         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1090         { 0x91, SONYPI_EVENT_PKEY_P2 },
1091         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1092         { 0x81, SONYPI_EVENT_FNKEY_F1 },
1093         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1094         { 0x82, SONYPI_EVENT_FNKEY_F2 },
1095         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1096         { 0x83, SONYPI_EVENT_FNKEY_F3 },
1097         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1098         { 0x84, SONYPI_EVENT_FNKEY_F4 },
1099         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1100         { 0x85, SONYPI_EVENT_FNKEY_F5 },
1101         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1102         { 0x86, SONYPI_EVENT_FNKEY_F6 },
1103         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1104         { 0x87, SONYPI_EVENT_FNKEY_F7 },
1105         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1106         { 0x88, SONYPI_EVENT_FNKEY_F8 },
1107         { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1108         { 0x89, SONYPI_EVENT_FNKEY_F9 },
1109         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1110         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1111         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1112         { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1113         { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1114         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1115         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1116         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1117         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1119         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1121         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1122         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1123         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1124         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1125         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1127         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128         { 0, 0 },
1129 };
1130
1131 static struct sony_nc_event sony_127_events[] = {
1132         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1133         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134         { 0x82, SONYPI_EVENT_PKEY_P1 },
1135         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136         { 0x83, SONYPI_EVENT_PKEY_P2 },
1137         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138         { 0x84, SONYPI_EVENT_PKEY_P3 },
1139         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1140         { 0x85, SONYPI_EVENT_PKEY_P4 },
1141         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1142         { 0x86, SONYPI_EVENT_PKEY_P5 },
1143         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1144         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1145         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1146         { 0, 0 },
1147 };
1148
1149 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1150 {
1151         int ret = -EINVAL;
1152         unsigned int result = 0;
1153         struct sony_nc_event *key_event;
1154
1155         if (sony_call_snc_handle(handle, 0x200, &result)) {
1156                 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1157                                 event);
1158                 return -EINVAL;
1159         }
1160
1161         result &= 0xFF;
1162
1163         if (handle == 0x0100)
1164                 key_event = sony_100_events;
1165         else
1166                 key_event = sony_127_events;
1167
1168         for (; key_event->data; key_event++) {
1169                 if (key_event->data == result) {
1170                         ret = key_event->event;
1171                         break;
1172                 }
1173         }
1174
1175         if (!key_event->data)
1176                 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1177                                 event, result, handle);
1178
1179         return ret;
1180 }
1181
1182 /*
1183  * ACPI callbacks
1184  */
1185 enum event_types {
1186         HOTKEY = 1,
1187         KILLSWITCH,
1188         GFX_SWITCH
1189 };
1190 static void sony_nc_notify(struct acpi_device *device, u32 event)
1191 {
1192         u32 real_ev = event;
1193         u8 ev_type = 0;
1194         dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1195
1196         if (event >= 0x90) {
1197                 unsigned int result = 0;
1198                 unsigned int arg = 0;
1199                 unsigned int handle = 0;
1200                 unsigned int offset = event - 0x90;
1201
1202                 if (offset >= ARRAY_SIZE(handles->cap)) {
1203                         pr_err("Event 0x%x outside of capabilities list\n",
1204                                         event);
1205                         return;
1206                 }
1207                 handle = handles->cap[offset];
1208
1209                 /* list of handles known for generating events */
1210                 switch (handle) {
1211                 /* hotkey event */
1212                 case 0x0100:
1213                 case 0x0127:
1214                         ev_type = HOTKEY;
1215                         real_ev = sony_nc_hotkeys_decode(event, handle);
1216
1217                         if (real_ev > 0)
1218                                 sony_laptop_report_input_event(real_ev);
1219                         else
1220                                 /* restore the original event for reporting */
1221                                 real_ev = event;
1222
1223                         break;
1224
1225                 /* wlan switch */
1226                 case 0x0124:
1227                 case 0x0135:
1228                         /* events on this handle are reported when the
1229                          * switch changes position or for battery
1230                          * events. We'll notify both of them but only
1231                          * update the rfkill device status when the
1232                          * switch is moved.
1233                          */
1234                         ev_type = KILLSWITCH;
1235                         sony_call_snc_handle(handle, 0x0100, &result);
1236                         real_ev = result & 0x03;
1237
1238                         /* hw switch event */
1239                         if (real_ev == 1)
1240                                 sony_nc_rfkill_update();
1241
1242                         break;
1243
1244                 case 0x0128:
1245                 case 0x0146:
1246                         /* Hybrid GFX switching */
1247                         sony_call_snc_handle(handle, 0x0000, &result);
1248                         dprintk("GFX switch event received (reason: %s)\n",
1249                                         (result == 0x1) ? "switch change" :
1250                                         (result == 0x2) ? "output switch" :
1251                                         (result == 0x3) ? "output switch" :
1252                                         "");
1253
1254                         ev_type = GFX_SWITCH;
1255                         real_ev = __sony_nc_gfx_switch_status_get();
1256                         break;
1257
1258                 case 0x015B:
1259                         /* Hybrid GFX switching SVS151290S */
1260                         ev_type = GFX_SWITCH;
1261                         real_ev = __sony_nc_gfx_switch_status_get();
1262                         break;
1263                 default:
1264                         dprintk("Unknown event 0x%x for handle 0x%x\n",
1265                                         event, handle);
1266                         break;
1267                 }
1268
1269                 /* clear the event (and the event reason when present) */
1270                 arg = 1 << offset;
1271                 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1272
1273         } else {
1274                 /* old style event */
1275                 ev_type = HOTKEY;
1276                 sony_laptop_report_input_event(real_ev);
1277         }
1278         acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1279                         dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1280 }
1281
1282 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1283                                       void *context, void **return_value)
1284 {
1285         struct acpi_device_info *info;
1286
1287         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1288                 pr_warn("method: name: %4.4s, args %X\n",
1289                         (char *)&info->name, info->param_count);
1290
1291                 kfree(info);
1292         }
1293
1294         return AE_OK;
1295 }
1296
1297 /*
1298  * ACPI device
1299  */
1300 static void sony_nc_function_setup(struct acpi_device *device,
1301                 struct platform_device *pf_device)
1302 {
1303         unsigned int i, result, bitmask, arg;
1304
1305         if (!handles)
1306                 return;
1307
1308         /* setup found handles here */
1309         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1310                 unsigned int handle = handles->cap[i];
1311
1312                 if (!handle)
1313                         continue;
1314
1315                 dprintk("setting up handle 0x%.4x\n", handle);
1316
1317                 switch (handle) {
1318                 case 0x0100:
1319                 case 0x0101:
1320                 case 0x0127:
1321                         /* setup hotkeys */
1322                         sony_call_snc_handle(handle, 0, &result);
1323                         break;
1324                 case 0x0102:
1325                         /* setup hotkeys */
1326                         sony_call_snc_handle(handle, 0x100, &result);
1327                         break;
1328                 case 0x0105:
1329                 case 0x0148:
1330                         /* touchpad enable/disable */
1331                         result = sony_nc_touchpad_setup(pf_device, handle);
1332                         if (result)
1333                                 pr_err("couldn't set up touchpad control function (%d)\n",
1334                                                 result);
1335                         break;
1336                 case 0x0115:
1337                 case 0x0136:
1338                 case 0x013f:
1339                         result = sony_nc_battery_care_setup(pf_device, handle);
1340                         if (result)
1341                                 pr_err("couldn't set up battery care function (%d)\n",
1342                                                 result);
1343                         break;
1344                 case 0x0119:
1345                         result = sony_nc_lid_resume_setup(pf_device);
1346                         if (result)
1347                                 pr_err("couldn't set up lid resume function (%d)\n",
1348                                                 result);
1349                         break;
1350                 case 0x0122:
1351                         result = sony_nc_thermal_setup(pf_device);
1352                         if (result)
1353                                 pr_err("couldn't set up thermal profile function (%d)\n",
1354                                                 result);
1355                         break;
1356                 case 0x0128:
1357                 case 0x0146:
1358                 case 0x015B:
1359                         result = sony_nc_gfx_switch_setup(pf_device, handle);
1360                         if (result)
1361                                 pr_err("couldn't set up GFX Switch status (%d)\n",
1362                                                 result);
1363                         break;
1364                 case 0x0131:
1365                         result = sony_nc_highspeed_charging_setup(pf_device);
1366                         if (result)
1367                                 pr_err("couldn't set up high speed charging function (%d)\n",
1368                                        result);
1369                         break;
1370                 case 0x0124:
1371                 case 0x0135:
1372                         result = sony_nc_rfkill_setup(device, handle);
1373                         if (result)
1374                                 pr_err("couldn't set up rfkill support (%d)\n",
1375                                                 result);
1376                         break;
1377                 case 0x0137:
1378                 case 0x0143:
1379                 case 0x014b:
1380                 case 0x014c:
1381                 case 0x0163:
1382                         result = sony_nc_kbd_backlight_setup(pf_device, handle);
1383                         if (result)
1384                                 pr_err("couldn't set up keyboard backlight function (%d)\n",
1385                                                 result);
1386                         break;
1387                 default:
1388                         continue;
1389                 }
1390         }
1391
1392         /* Enable all events */
1393         arg = 0x10;
1394         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1395                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1396                                 &result);
1397 }
1398
1399 static void sony_nc_function_cleanup(struct platform_device *pd)
1400 {
1401         unsigned int i, result, bitmask, handle;
1402
1403         /* get enabled events and disable them */
1404         sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1405         sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1406
1407         /* cleanup handles here */
1408         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1409
1410                 handle = handles->cap[i];
1411
1412                 if (!handle)
1413                         continue;
1414
1415                 switch (handle) {
1416                 case 0x0105:
1417                 case 0x0148:
1418                         sony_nc_touchpad_cleanup(pd);
1419                         break;
1420                 case 0x0115:
1421                 case 0x0136:
1422                 case 0x013f:
1423                         sony_nc_battery_care_cleanup(pd);
1424                         break;
1425                 case 0x0119:
1426                         sony_nc_lid_resume_cleanup(pd);
1427                         break;
1428                 case 0x0122:
1429                         sony_nc_thermal_cleanup(pd);
1430                         break;
1431                 case 0x0128:
1432                 case 0x0146:
1433                 case 0x015B:
1434                         sony_nc_gfx_switch_cleanup(pd);
1435                         break;
1436                 case 0x0131:
1437                         sony_nc_highspeed_charging_cleanup(pd);
1438                         break;
1439                 case 0x0124:
1440                 case 0x0135:
1441                         sony_nc_rfkill_cleanup();
1442                         break;
1443                 case 0x0137:
1444                 case 0x0143:
1445                 case 0x014b:
1446                 case 0x014c:
1447                 case 0x0163:
1448                         sony_nc_kbd_backlight_cleanup(pd);
1449                         break;
1450                 default:
1451                         continue;
1452                 }
1453         }
1454
1455         /* finally cleanup the handles list */
1456         sony_nc_handles_cleanup(pd);
1457 }
1458
1459 #ifdef CONFIG_PM_SLEEP
1460 static void sony_nc_function_resume(void)
1461 {
1462         unsigned int i, result, bitmask, arg;
1463
1464         dprintk("Resuming SNC device\n");
1465
1466         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1467                 unsigned int handle = handles->cap[i];
1468
1469                 if (!handle)
1470                         continue;
1471
1472                 switch (handle) {
1473                 case 0x0100:
1474                 case 0x0101:
1475                 case 0x0127:
1476                         /* re-enable hotkeys */
1477                         sony_call_snc_handle(handle, 0, &result);
1478                         break;
1479                 case 0x0102:
1480                         /* re-enable hotkeys */
1481                         sony_call_snc_handle(handle, 0x100, &result);
1482                         break;
1483                 case 0x0122:
1484                         sony_nc_thermal_resume();
1485                         break;
1486                 case 0x0124:
1487                 case 0x0135:
1488                         sony_nc_rfkill_update();
1489                         break;
1490                 case 0x0137:
1491                 case 0x0143:
1492                 case 0x014b:
1493                 case 0x014c:
1494                 case 0x0163:
1495                         sony_nc_kbd_backlight_resume();
1496                         break;
1497                 default:
1498                         continue;
1499                 }
1500         }
1501
1502         /* Enable all events */
1503         arg = 0x10;
1504         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1505                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1506                                 &result);
1507 }
1508
1509 static int sony_nc_resume(struct device *dev)
1510 {
1511         struct sony_nc_value *item;
1512         acpi_handle handle;
1513
1514         for (item = sony_nc_values; item->name; item++) {
1515                 int ret;
1516
1517                 if (!item->valid)
1518                         continue;
1519                 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1520                                        &item->value, NULL);
1521                 if (ret < 0) {
1522                         pr_err("%s: %d\n", __func__, ret);
1523                         break;
1524                 }
1525         }
1526
1527         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1528                                          &handle))) {
1529                 int arg = 1;
1530                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1531                         dprintk("ECON Method failed\n");
1532         }
1533
1534         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1535                                          &handle)))
1536                 sony_nc_function_resume();
1537
1538         return 0;
1539 }
1540 #endif
1541
1542 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1543
1544 static void sony_nc_rfkill_cleanup(void)
1545 {
1546         int i;
1547
1548         for (i = 0; i < N_SONY_RFKILL; i++) {
1549                 if (sony_rfkill_devices[i]) {
1550                         rfkill_unregister(sony_rfkill_devices[i]);
1551                         rfkill_destroy(sony_rfkill_devices[i]);
1552                 }
1553         }
1554 }
1555
1556 static int sony_nc_rfkill_set(void *data, bool blocked)
1557 {
1558         int result;
1559         int argument = sony_rfkill_address[(long) data] + 0x100;
1560
1561         if (!blocked)
1562                 argument |= 0x070000;
1563
1564         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1565 }
1566
1567 static const struct rfkill_ops sony_rfkill_ops = {
1568         .set_block = sony_nc_rfkill_set,
1569 };
1570
1571 static int sony_nc_setup_rfkill(struct acpi_device *device,
1572                                 enum sony_nc_rfkill nc_type)
1573 {
1574         int err = 0;
1575         struct rfkill *rfk;
1576         enum rfkill_type type;
1577         const char *name;
1578         int result;
1579         bool hwblock, swblock;
1580
1581         switch (nc_type) {
1582         case SONY_WIFI:
1583                 type = RFKILL_TYPE_WLAN;
1584                 name = "sony-wifi";
1585                 break;
1586         case SONY_BLUETOOTH:
1587                 type = RFKILL_TYPE_BLUETOOTH;
1588                 name = "sony-bluetooth";
1589                 break;
1590         case SONY_WWAN:
1591                 type = RFKILL_TYPE_WWAN;
1592                 name = "sony-wwan";
1593                 break;
1594         case SONY_WIMAX:
1595                 type = RFKILL_TYPE_WIMAX;
1596                 name = "sony-wimax";
1597                 break;
1598         default:
1599                 return -EINVAL;
1600         }
1601
1602         rfk = rfkill_alloc(name, &device->dev, type,
1603                            &sony_rfkill_ops, (void *)nc_type);
1604         if (!rfk)
1605                 return -ENOMEM;
1606
1607         if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1608                 rfkill_destroy(rfk);
1609                 return -1;
1610         }
1611         hwblock = !(result & 0x1);
1612
1613         if (sony_call_snc_handle(sony_rfkill_handle,
1614                                 sony_rfkill_address[nc_type],
1615                                 &result) < 0) {
1616                 rfkill_destroy(rfk);
1617                 return -1;
1618         }
1619         swblock = !(result & 0x2);
1620
1621         rfkill_init_sw_state(rfk, swblock);
1622         rfkill_set_hw_state(rfk, hwblock);
1623
1624         err = rfkill_register(rfk);
1625         if (err) {
1626                 rfkill_destroy(rfk);
1627                 return err;
1628         }
1629         sony_rfkill_devices[nc_type] = rfk;
1630         return err;
1631 }
1632
1633 static void sony_nc_rfkill_update(void)
1634 {
1635         enum sony_nc_rfkill i;
1636         int result;
1637         bool hwblock;
1638
1639         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1640         hwblock = !(result & 0x1);
1641
1642         for (i = 0; i < N_SONY_RFKILL; i++) {
1643                 int argument = sony_rfkill_address[i];
1644
1645                 if (!sony_rfkill_devices[i])
1646                         continue;
1647
1648                 if (hwblock) {
1649                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1650                                 /* we already know we're blocked */
1651                         }
1652                         continue;
1653                 }
1654
1655                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1656                 rfkill_set_states(sony_rfkill_devices[i],
1657                                   !(result & 0x2), false);
1658         }
1659 }
1660
1661 static int sony_nc_rfkill_setup(struct acpi_device *device,
1662                 unsigned int handle)
1663 {
1664         u64 offset;
1665         int i;
1666         unsigned char buffer[32] = { 0 };
1667
1668         offset = sony_find_snc_handle(handle);
1669         sony_rfkill_handle = handle;
1670
1671         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1672                         32);
1673         if (i < 0)
1674                 return i;
1675
1676         /* The buffer is filled with magic numbers describing the devices
1677          * available, 0xff terminates the enumeration.
1678          * Known codes:
1679          *      0x00 WLAN
1680          *      0x10 BLUETOOTH
1681          *      0x20 WWAN GPRS-EDGE
1682          *      0x21 WWAN HSDPA
1683          *      0x22 WWAN EV-DO
1684          *      0x23 WWAN GPS
1685          *      0x25 Gobi WWAN no GPS
1686          *      0x26 Gobi WWAN + GPS
1687          *      0x28 Gobi WWAN no GPS
1688          *      0x29 Gobi WWAN + GPS
1689          *      0x30 WIMAX
1690          *      0x50 Gobi WWAN no GPS
1691          *      0x51 Gobi WWAN + GPS
1692          *      0x70 no SIM card slot
1693          *      0x71 SIM card slot
1694          */
1695         for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1696
1697                 if (buffer[i] == 0xff)
1698                         break;
1699
1700                 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1701
1702                 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1703                         sony_nc_setup_rfkill(device, SONY_WIFI);
1704
1705                 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1706                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1707
1708                 if (((0xf0 & buffer[i]) == 0x20 ||
1709                                         (0xf0 & buffer[i]) == 0x50) &&
1710                                 !sony_rfkill_devices[SONY_WWAN])
1711                         sony_nc_setup_rfkill(device, SONY_WWAN);
1712
1713                 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1714                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1715         }
1716         return 0;
1717 }
1718
1719 /* Keyboard backlight feature */
1720 struct kbd_backlight {
1721         unsigned int handle;
1722         unsigned int base;
1723         unsigned int mode;
1724         unsigned int timeout;
1725         struct device_attribute mode_attr;
1726         struct device_attribute timeout_attr;
1727 };
1728
1729 static struct kbd_backlight *kbdbl_ctl;
1730
1731 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1732 {
1733         int result;
1734
1735         if (value > 1)
1736                 return -EINVAL;
1737
1738         if (sony_call_snc_handle(kbdbl_ctl->handle,
1739                                 (value << 0x10) | (kbdbl_ctl->base), &result))
1740                 return -EIO;
1741
1742         /* Try to turn the light on/off immediately */
1743         sony_call_snc_handle(kbdbl_ctl->handle,
1744                         (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1745
1746         kbdbl_ctl->mode = value;
1747
1748         return 0;
1749 }
1750
1751 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1752                 struct device_attribute *attr,
1753                 const char *buffer, size_t count)
1754 {
1755         int ret = 0;
1756         unsigned long value;
1757
1758         if (count > 31)
1759                 return -EINVAL;
1760
1761         if (kstrtoul(buffer, 10, &value))
1762                 return -EINVAL;
1763
1764         ret = __sony_nc_kbd_backlight_mode_set(value);
1765         if (ret < 0)
1766                 return ret;
1767
1768         return count;
1769 }
1770
1771 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1772                 struct device_attribute *attr, char *buffer)
1773 {
1774         ssize_t count = 0;
1775         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1776         return count;
1777 }
1778
1779 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1780 {
1781         int result;
1782
1783         if (value > 3)
1784                 return -EINVAL;
1785
1786         if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1787                                 (kbdbl_ctl->base + 0x200), &result))
1788                 return -EIO;
1789
1790         kbdbl_ctl->timeout = value;
1791
1792         return 0;
1793 }
1794
1795 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1796                 struct device_attribute *attr,
1797                 const char *buffer, size_t count)
1798 {
1799         int ret = 0;
1800         unsigned long value;
1801
1802         if (count > 31)
1803                 return -EINVAL;
1804
1805         if (kstrtoul(buffer, 10, &value))
1806                 return -EINVAL;
1807
1808         ret = __sony_nc_kbd_backlight_timeout_set(value);
1809         if (ret < 0)
1810                 return ret;
1811
1812         return count;
1813 }
1814
1815 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1816                 struct device_attribute *attr, char *buffer)
1817 {
1818         ssize_t count = 0;
1819         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1820         return count;
1821 }
1822
1823 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1824                 unsigned int handle)
1825 {
1826         int result;
1827         int ret = 0;
1828
1829         /* verify the kbd backlight presence, these handles are not used for
1830          * keyboard backlight only
1831          */
1832         ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1833                         &result);
1834         if (ret)
1835                 return ret;
1836
1837         if ((handle == 0x0137 && !(result & 0x02)) ||
1838                         !(result & 0x01)) {
1839                 dprintk("no backlight keyboard found\n");
1840                 return 0;
1841         }
1842
1843         kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1844         if (!kbdbl_ctl)
1845                 return -ENOMEM;
1846
1847         kbdbl_ctl->handle = handle;
1848         if (handle == 0x0137)
1849                 kbdbl_ctl->base = 0x0C00;
1850         else
1851                 kbdbl_ctl->base = 0x4000;
1852
1853         sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1854         kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1855         kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1856         kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1857         kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1858
1859         sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1860         kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1861         kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1862         kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1863         kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1864
1865         ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1866         if (ret)
1867                 goto outkzalloc;
1868
1869         ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1870         if (ret)
1871                 goto outmode;
1872
1873         __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1874         __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1875
1876         return 0;
1877
1878 outmode:
1879         device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1880 outkzalloc:
1881         kfree(kbdbl_ctl);
1882         kbdbl_ctl = NULL;
1883         return ret;
1884 }
1885
1886 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1887 {
1888         if (kbdbl_ctl) {
1889                 int result;
1890
1891                 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1892                 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1893
1894                 /* restore the default hw behaviour */
1895                 sony_call_snc_handle(kbdbl_ctl->handle,
1896                                 kbdbl_ctl->base | 0x10000, &result);
1897                 sony_call_snc_handle(kbdbl_ctl->handle,
1898                                 kbdbl_ctl->base + 0x200, &result);
1899
1900                 kfree(kbdbl_ctl);
1901                 kbdbl_ctl = NULL;
1902         }
1903 }
1904
1905 #ifdef CONFIG_PM_SLEEP
1906 static void sony_nc_kbd_backlight_resume(void)
1907 {
1908         int ignore = 0;
1909
1910         if (!kbdbl_ctl)
1911                 return;
1912
1913         if (kbdbl_ctl->mode == 0)
1914                 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1915                                 &ignore);
1916
1917         if (kbdbl_ctl->timeout != 0)
1918                 sony_call_snc_handle(kbdbl_ctl->handle,
1919                                 (kbdbl_ctl->base + 0x200) |
1920                                 (kbdbl_ctl->timeout << 0x10), &ignore);
1921 }
1922 #endif
1923
1924 struct battery_care_control {
1925         struct device_attribute attrs[2];
1926         unsigned int handle;
1927 };
1928 static struct battery_care_control *bcare_ctl;
1929
1930 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1931                 struct device_attribute *attr,
1932                 const char *buffer, size_t count)
1933 {
1934         unsigned int result, cmd;
1935         unsigned long value;
1936
1937         if (count > 31)
1938                 return -EINVAL;
1939
1940         if (kstrtoul(buffer, 10, &value))
1941                 return -EINVAL;
1942
1943         /*  limit values (2 bits):
1944          *  00 - none
1945          *  01 - 80%
1946          *  10 - 50%
1947          *  11 - 100%
1948          *
1949          *  bit 0: 0 disable BCL, 1 enable BCL
1950          *  bit 1: 1 tell to store the battery limit (see bits 6,7) too
1951          *  bits 2,3: reserved
1952          *  bits 4,5: store the limit into the EC
1953          *  bits 6,7: store the limit into the battery
1954          */
1955         cmd = 0;
1956
1957         if (value > 0) {
1958                 if (value <= 50)
1959                         cmd = 0x20;
1960
1961                 else if (value <= 80)
1962                         cmd = 0x10;
1963
1964                 else if (value <= 100)
1965                         cmd = 0x30;
1966
1967                 else
1968                         return -EINVAL;
1969
1970                 /*
1971                  * handle 0x0115 should allow storing on battery too;
1972                  * handle 0x0136 same as 0x0115 + health status;
1973                  * handle 0x013f, same as 0x0136 but no storing on the battery
1974                  */
1975                 if (bcare_ctl->handle != 0x013f)
1976                         cmd = cmd | (cmd << 2);
1977
1978                 cmd = (cmd | 0x1) << 0x10;
1979         }
1980
1981         if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1982                 return -EIO;
1983
1984         return count;
1985 }
1986
1987 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1988                 struct device_attribute *attr, char *buffer)
1989 {
1990         unsigned int result, status;
1991
1992         if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1993                 return -EIO;
1994
1995         status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1996         switch (status) {
1997         case 1:
1998                 status = 80;
1999                 break;
2000         case 2:
2001                 status = 50;
2002                 break;
2003         case 3:
2004                 status = 100;
2005                 break;
2006         default:
2007                 status = 0;
2008                 break;
2009         }
2010
2011         return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2012 }
2013
2014 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2015                 struct device_attribute *attr, char *buffer)
2016 {
2017         ssize_t count = 0;
2018         unsigned int health;
2019
2020         if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2021                 return -EIO;
2022
2023         count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2024
2025         return count;
2026 }
2027
2028 static int sony_nc_battery_care_setup(struct platform_device *pd,
2029                 unsigned int handle)
2030 {
2031         int ret = 0;
2032
2033         bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2034         if (!bcare_ctl)
2035                 return -ENOMEM;
2036
2037         bcare_ctl->handle = handle;
2038
2039         sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2040         bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2041         bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2042         bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2043         bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2044
2045         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2046         if (ret)
2047                 goto outkzalloc;
2048
2049         /* 0x0115 is for models with no health reporting capability */
2050         if (handle == 0x0115)
2051                 return 0;
2052
2053         sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2054         bcare_ctl->attrs[1].attr.name = "battery_care_health";
2055         bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2056         bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2057
2058         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2059         if (ret)
2060                 goto outlimiter;
2061
2062         return 0;
2063
2064 outlimiter:
2065         device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2066
2067 outkzalloc:
2068         kfree(bcare_ctl);
2069         bcare_ctl = NULL;
2070
2071         return ret;
2072 }
2073
2074 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2075 {
2076         if (bcare_ctl) {
2077                 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2078                 if (bcare_ctl->handle != 0x0115)
2079                         device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2080
2081                 kfree(bcare_ctl);
2082                 bcare_ctl = NULL;
2083         }
2084 }
2085
2086 struct snc_thermal_ctrl {
2087         unsigned int mode;
2088         unsigned int profiles;
2089         struct device_attribute mode_attr;
2090         struct device_attribute profiles_attr;
2091 };
2092 static struct snc_thermal_ctrl *th_handle;
2093
2094 #define THM_PROFILE_MAX 3
2095 static const char * const snc_thermal_profiles[] = {
2096         "balanced",
2097         "silent",
2098         "performance"
2099 };
2100
2101 static int sony_nc_thermal_mode_set(unsigned short mode)
2102 {
2103         unsigned int result;
2104
2105         /* the thermal profile seems to be a two bit bitmask:
2106          * lsb -> silent
2107          * msb -> performance
2108          * no bit set is the normal operation and is always valid
2109          * Some vaio models only have "balanced" and "performance"
2110          */
2111         if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2112                 return -EINVAL;
2113
2114         if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2115                 return -EIO;
2116
2117         th_handle->mode = mode;
2118
2119         return 0;
2120 }
2121
2122 static int sony_nc_thermal_mode_get(void)
2123 {
2124         unsigned int result;
2125
2126         if (sony_call_snc_handle(0x0122, 0x0100, &result))
2127                 return -EIO;
2128
2129         return result & 0xff;
2130 }
2131
2132 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2133                 struct device_attribute *attr, char *buffer)
2134 {
2135         short cnt;
2136         size_t idx = 0;
2137
2138         for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2139                 if (!cnt || (th_handle->profiles & cnt))
2140                         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2141                                         snc_thermal_profiles[cnt]);
2142         }
2143         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2144
2145         return idx;
2146 }
2147
2148 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2149                 struct device_attribute *attr,
2150                 const char *buffer, size_t count)
2151 {
2152         unsigned short cmd;
2153         size_t len = count;
2154
2155         if (count == 0)
2156                 return -EINVAL;
2157
2158         /* skip the newline if present */
2159         if (buffer[len - 1] == '\n')
2160                 len--;
2161
2162         for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2163                 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2164                         break;
2165
2166         if (sony_nc_thermal_mode_set(cmd))
2167                 return -EIO;
2168
2169         return count;
2170 }
2171
2172 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2173                 struct device_attribute *attr, char *buffer)
2174 {
2175         ssize_t count = 0;
2176         int mode = sony_nc_thermal_mode_get();
2177
2178         if (mode < 0)
2179                 return mode;
2180
2181         count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2182
2183         return count;
2184 }
2185
2186 static int sony_nc_thermal_setup(struct platform_device *pd)
2187 {
2188         int ret = 0;
2189         th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2190         if (!th_handle)
2191                 return -ENOMEM;
2192
2193         ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2194         if (ret) {
2195                 pr_warn("couldn't to read the thermal profiles\n");
2196                 goto outkzalloc;
2197         }
2198
2199         ret = sony_nc_thermal_mode_get();
2200         if (ret < 0) {
2201                 pr_warn("couldn't to read the current thermal profile");
2202                 goto outkzalloc;
2203         }
2204         th_handle->mode = ret;
2205
2206         sysfs_attr_init(&th_handle->profiles_attr.attr);
2207         th_handle->profiles_attr.attr.name = "thermal_profiles";
2208         th_handle->profiles_attr.attr.mode = S_IRUGO;
2209         th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2210
2211         sysfs_attr_init(&th_handle->mode_attr.attr);
2212         th_handle->mode_attr.attr.name = "thermal_control";
2213         th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2214         th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2215         th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2216
2217         ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2218         if (ret)
2219                 goto outkzalloc;
2220
2221         ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2222         if (ret)
2223                 goto outprofiles;
2224
2225         return 0;
2226
2227 outprofiles:
2228         device_remove_file(&pd->dev, &th_handle->profiles_attr);
2229 outkzalloc:
2230         kfree(th_handle);
2231         th_handle = NULL;
2232         return ret;
2233 }
2234
2235 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2236 {
2237         if (th_handle) {
2238                 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2239                 device_remove_file(&pd->dev, &th_handle->mode_attr);
2240                 kfree(th_handle);
2241                 th_handle = NULL;
2242         }
2243 }
2244
2245 #ifdef CONFIG_PM_SLEEP
2246 static void sony_nc_thermal_resume(void)
2247 {
2248         unsigned int status = sony_nc_thermal_mode_get();
2249
2250         if (status != th_handle->mode)
2251                 sony_nc_thermal_mode_set(th_handle->mode);
2252 }
2253 #endif
2254
2255 /* resume on LID open */
2256 struct snc_lid_resume_control {
2257         struct device_attribute attrs[3];
2258         unsigned int status;
2259 };
2260 static struct snc_lid_resume_control *lid_ctl;
2261
2262 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2263                                         struct device_attribute *attr,
2264                                         const char *buffer, size_t count)
2265 {
2266         unsigned int result, pos;
2267         unsigned long value;
2268         if (count > 31)
2269                 return -EINVAL;
2270
2271         if (kstrtoul(buffer, 10, &value) || value > 1)
2272                 return -EINVAL;
2273
2274         /* the value we have to write to SNC is a bitmask:
2275          * +--------------+
2276          * | S3 | S4 | S5 |
2277          * +--------------+
2278          *   2    1    0
2279          */
2280         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2281                 pos = 2;
2282         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2283                 pos = 1;
2284         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2285                 pos = 0;
2286         else
2287                return -EINVAL;
2288
2289         if (value)
2290                 value = lid_ctl->status | (1 << pos);
2291         else
2292                 value = lid_ctl->status & ~(1 << pos);
2293
2294         if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2295                 return -EIO;
2296
2297         lid_ctl->status = value;
2298
2299         return count;
2300 }
2301
2302 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2303                                        struct device_attribute *attr, char *buffer)
2304 {
2305         unsigned int pos;
2306
2307         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2308                 pos = 2;
2309         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2310                 pos = 1;
2311         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2312                 pos = 0;
2313         else
2314                 return -EINVAL;
2315
2316         return snprintf(buffer, PAGE_SIZE, "%d\n",
2317                         (lid_ctl->status >> pos) & 0x01);
2318 }
2319
2320 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2321 {
2322         unsigned int result;
2323         int i;
2324
2325         if (sony_call_snc_handle(0x0119, 0x0000, &result))
2326                 return -EIO;
2327
2328         lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2329         if (!lid_ctl)
2330                 return -ENOMEM;
2331
2332         lid_ctl->status = result & 0x7;
2333
2334         sysfs_attr_init(&lid_ctl->attrs[0].attr);
2335         lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2336         lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2337         lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2338         lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2339
2340         sysfs_attr_init(&lid_ctl->attrs[1].attr);
2341         lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2342         lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2343         lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2344         lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2345
2346         sysfs_attr_init(&lid_ctl->attrs[2].attr);
2347         lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2348         lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2349         lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2350         lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2351
2352         for (i = 0; i < 3; i++) {
2353                 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2354                 if (result)
2355                         goto liderror;
2356         }
2357
2358         return 0;
2359
2360 liderror:
2361         for (i--; i >= 0; i--)
2362                 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2363
2364         kfree(lid_ctl);
2365         lid_ctl = NULL;
2366
2367         return result;
2368 }
2369
2370 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2371 {
2372         int i;
2373
2374         if (lid_ctl) {
2375                 for (i = 0; i < 3; i++)
2376                         device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2377
2378                 kfree(lid_ctl);
2379                 lid_ctl = NULL;
2380         }
2381 }
2382
2383 /* GFX Switch position */
2384 enum gfx_switch {
2385         SPEED,
2386         STAMINA,
2387         AUTO
2388 };
2389 struct snc_gfx_switch_control {
2390         struct device_attribute attr;
2391         unsigned int handle;
2392 };
2393 static struct snc_gfx_switch_control *gfxs_ctl;
2394
2395 /* returns 0 for speed, 1 for stamina */
2396 static int __sony_nc_gfx_switch_status_get(void)
2397 {
2398         unsigned int result;
2399
2400         if (sony_call_snc_handle(gfxs_ctl->handle,
2401                                 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2402                                 &result))
2403                 return -EIO;
2404
2405         switch (gfxs_ctl->handle) {
2406         case 0x0146:
2407                 /* 1: discrete GFX (speed)
2408                  * 0: integrated GFX (stamina)
2409                  */
2410                 return result & 0x1 ? SPEED : STAMINA;
2411                 break;
2412         case 0x015B:
2413                 /* 0: discrete GFX (speed)
2414                  * 1: integrated GFX (stamina)
2415                  */
2416                 return result & 0x1 ? STAMINA : SPEED;
2417                 break;
2418         case 0x0128:
2419                 /* it's a more elaborated bitmask, for now:
2420                  * 2: integrated GFX (stamina)
2421                  * 0: discrete GFX (speed)
2422                  */
2423                 dprintk("GFX Status: 0x%x\n", result);
2424                 return result & 0x80 ? AUTO :
2425                         result & 0x02 ? STAMINA : SPEED;
2426                 break;
2427         }
2428         return -EINVAL;
2429 }
2430
2431 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2432                                        struct device_attribute *attr,
2433                                        char *buffer)
2434 {
2435         int pos = __sony_nc_gfx_switch_status_get();
2436
2437         if (pos < 0)
2438                 return pos;
2439
2440         return snprintf(buffer, PAGE_SIZE, "%s\n",
2441                                         pos == SPEED ? "speed" :
2442                                         pos == STAMINA ? "stamina" :
2443                                         pos == AUTO ? "auto" : "unknown");
2444 }
2445
2446 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2447                 unsigned int handle)
2448 {
2449         unsigned int result;
2450
2451         gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2452         if (!gfxs_ctl)
2453                 return -ENOMEM;
2454
2455         gfxs_ctl->handle = handle;
2456
2457         sysfs_attr_init(&gfxs_ctl->attr.attr);
2458         gfxs_ctl->attr.attr.name = "gfx_switch_status";
2459         gfxs_ctl->attr.attr.mode = S_IRUGO;
2460         gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2461
2462         result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2463         if (result)
2464                 goto gfxerror;
2465
2466         return 0;
2467
2468 gfxerror:
2469         kfree(gfxs_ctl);
2470         gfxs_ctl = NULL;
2471
2472         return result;
2473 }
2474
2475 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2476 {
2477         if (gfxs_ctl) {
2478                 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2479
2480                 kfree(gfxs_ctl);
2481                 gfxs_ctl = NULL;
2482         }
2483 }
2484
2485 /* High speed charging function */
2486 static struct device_attribute *hsc_handle;
2487
2488 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2489                 struct device_attribute *attr,
2490                 const char *buffer, size_t count)
2491 {
2492         unsigned int result;
2493         unsigned long value;
2494
2495         if (count > 31)
2496                 return -EINVAL;
2497
2498         if (kstrtoul(buffer, 10, &value) || value > 1)
2499                 return -EINVAL;
2500
2501         if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2502                 return -EIO;
2503
2504         return count;
2505 }
2506
2507 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2508                 struct device_attribute *attr, char *buffer)
2509 {
2510         unsigned int result;
2511
2512         if (sony_call_snc_handle(0x0131, 0x0100, &result))
2513                 return -EIO;
2514
2515         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2516 }
2517
2518 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2519 {
2520         unsigned int result;
2521
2522         if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2523                 /* some models advertise the handle but have no implementation
2524                  * for it
2525                  */
2526                 pr_info("No High Speed Charging capability found\n");
2527                 return 0;
2528         }
2529
2530         hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2531         if (!hsc_handle)
2532                 return -ENOMEM;
2533
2534         sysfs_attr_init(&hsc_handle->attr);
2535         hsc_handle->attr.name = "battery_highspeed_charging";
2536         hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2537         hsc_handle->show = sony_nc_highspeed_charging_show;
2538         hsc_handle->store = sony_nc_highspeed_charging_store;
2539
2540         result = device_create_file(&pd->dev, hsc_handle);
2541         if (result) {
2542                 kfree(hsc_handle);
2543                 hsc_handle = NULL;
2544                 return result;
2545         }
2546
2547         return 0;
2548 }
2549
2550 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2551 {
2552         if (hsc_handle) {
2553                 device_remove_file(&pd->dev, hsc_handle);
2554                 kfree(hsc_handle);
2555                 hsc_handle = NULL;
2556         }
2557 }
2558
2559 /* Touchpad enable/disable */
2560 struct touchpad_control {
2561         struct device_attribute attr;
2562         int handle;
2563 };
2564 static struct touchpad_control *tp_ctl;
2565
2566 static ssize_t sony_nc_touchpad_store(struct device *dev,
2567                 struct device_attribute *attr, const char *buffer, size_t count)
2568 {
2569         unsigned int result;
2570         unsigned long value;
2571
2572         if (count > 31)
2573                 return -EINVAL;
2574
2575         if (kstrtoul(buffer, 10, &value) || value > 1)
2576                 return -EINVAL;
2577
2578         /* sysfs: 0 disabled, 1 enabled
2579          * EC: 0 enabled, 1 disabled
2580          */
2581         if (sony_call_snc_handle(tp_ctl->handle,
2582                                 (!value << 0x10) | 0x100, &result))
2583                 return -EIO;
2584
2585         return count;
2586 }
2587
2588 static ssize_t sony_nc_touchpad_show(struct device *dev,
2589                 struct device_attribute *attr, char *buffer)
2590 {
2591         unsigned int result;
2592
2593         if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2594                 return -EINVAL;
2595
2596         return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2597 }
2598
2599 static int sony_nc_touchpad_setup(struct platform_device *pd,
2600                 unsigned int handle)
2601 {
2602         int ret = 0;
2603
2604         tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2605         if (!tp_ctl)
2606                 return -ENOMEM;
2607
2608         tp_ctl->handle = handle;
2609
2610         sysfs_attr_init(&tp_ctl->attr.attr);
2611         tp_ctl->attr.attr.name = "touchpad";
2612         tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2613         tp_ctl->attr.show = sony_nc_touchpad_show;
2614         tp_ctl->attr.store = sony_nc_touchpad_store;
2615
2616         ret = device_create_file(&pd->dev, &tp_ctl->attr);
2617         if (ret) {
2618                 kfree(tp_ctl);
2619                 tp_ctl = NULL;
2620         }
2621
2622         return ret;
2623 }
2624
2625 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2626 {
2627         if (tp_ctl) {
2628                 device_remove_file(&pd->dev, &tp_ctl->attr);
2629                 kfree(tp_ctl);
2630                 tp_ctl = NULL;
2631         }
2632 }
2633
2634 static void sony_nc_backlight_ng_read_limits(int handle,
2635                 struct sony_backlight_props *props)
2636 {
2637         u64 offset;
2638         int i;
2639         int lvl_table_len = 0;
2640         u8 min = 0xff, max = 0x00;
2641         unsigned char buffer[32] = { 0 };
2642
2643         props->handle = handle;
2644         props->offset = 0;
2645         props->maxlvl = 0xff;
2646
2647         offset = sony_find_snc_handle(handle);
2648
2649         /* try to read the boundaries from ACPI tables, if we fail the above
2650          * defaults should be reasonable
2651          */
2652         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2653                         32);
2654         if (i < 0)
2655                 return;
2656
2657         switch (handle) {
2658         case 0x012f:
2659         case 0x0137:
2660                 lvl_table_len = 9;
2661                 break;
2662         case 0x143:
2663         case 0x14b:
2664         case 0x14c:
2665                 lvl_table_len = 16;
2666                 break;
2667         }
2668
2669         /* the buffer lists brightness levels available, brightness levels are
2670          * from position 0 to 8 in the array, other values are used by ALS
2671          * control.
2672          */
2673         for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2674
2675                 dprintk("Brightness level: %d\n", buffer[i]);
2676
2677                 if (!buffer[i])
2678                         break;
2679
2680                 if (buffer[i] > max)
2681                         max = buffer[i];
2682                 if (buffer[i] < min)
2683                         min = buffer[i];
2684         }
2685         props->offset = min;
2686         props->maxlvl = max;
2687         dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2688                         props->maxlvl);
2689 }
2690
2691 static void sony_nc_backlight_setup(void)
2692 {
2693         acpi_handle unused;
2694         int max_brightness = 0;
2695         const struct backlight_ops *ops = NULL;
2696         struct backlight_properties props;
2697
2698         if (sony_find_snc_handle(0x12f) >= 0) {
2699                 ops = &sony_backlight_ng_ops;
2700                 sony_bl_props.cmd_base = 0x0100;
2701                 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2702                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2703
2704         } else if (sony_find_snc_handle(0x137) >= 0) {
2705                 ops = &sony_backlight_ng_ops;
2706                 sony_bl_props.cmd_base = 0x0100;
2707                 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2708                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2709
2710         } else if (sony_find_snc_handle(0x143) >= 0) {
2711                 ops = &sony_backlight_ng_ops;
2712                 sony_bl_props.cmd_base = 0x3000;
2713                 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2714                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2715
2716         } else if (sony_find_snc_handle(0x14b) >= 0) {
2717                 ops = &sony_backlight_ng_ops;
2718                 sony_bl_props.cmd_base = 0x3000;
2719                 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2720                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2721
2722         } else if (sony_find_snc_handle(0x14c) >= 0) {
2723                 ops = &sony_backlight_ng_ops;
2724                 sony_bl_props.cmd_base = 0x3000;
2725                 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2726                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2727
2728         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2729                                                 &unused))) {
2730                 ops = &sony_backlight_ops;
2731                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2732
2733         } else
2734                 return;
2735
2736         memset(&props, 0, sizeof(struct backlight_properties));
2737         props.type = BACKLIGHT_PLATFORM;
2738         props.max_brightness = max_brightness;
2739         sony_bl_props.dev = backlight_device_register("sony", NULL,
2740                                                       &sony_bl_props,
2741                                                       ops, &props);
2742
2743         if (IS_ERR(sony_bl_props.dev)) {
2744                 pr_warn("unable to register backlight device\n");
2745                 sony_bl_props.dev = NULL;
2746         } else
2747                 sony_bl_props.dev->props.brightness =
2748                         ops->get_brightness(sony_bl_props.dev);
2749 }
2750
2751 static void sony_nc_backlight_cleanup(void)
2752 {
2753         if (sony_bl_props.dev)
2754                 backlight_device_unregister(sony_bl_props.dev);
2755 }
2756
2757 static int sony_nc_add(struct acpi_device *device)
2758 {
2759         acpi_status status;
2760         int result = 0;
2761         acpi_handle handle;
2762         struct sony_nc_value *item;
2763
2764         pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2765
2766         sony_nc_acpi_device = device;
2767         strcpy(acpi_device_class(device), "sony/hotkey");
2768
2769         sony_nc_acpi_handle = device->handle;
2770
2771         /* read device status */
2772         result = acpi_bus_get_status(device);
2773         /* bail IFF the above call was successful and the device is not present */
2774         if (!result && !device->status.present) {
2775                 dprintk("Device not present\n");
2776                 result = -ENODEV;
2777                 goto outwalk;
2778         }
2779
2780         result = sony_pf_add();
2781         if (result)
2782                 goto outpresent;
2783
2784         if (debug) {
2785                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2786                                 sony_nc_acpi_handle, 1, sony_walk_callback,
2787                                 NULL, NULL, NULL);
2788                 if (ACPI_FAILURE(status)) {
2789                         pr_warn("unable to walk acpi resources\n");
2790                         result = -ENODEV;
2791                         goto outpresent;
2792                 }
2793         }
2794
2795         result = sony_laptop_setup_input(device);
2796         if (result) {
2797                 pr_err("Unable to create input devices\n");
2798                 goto outplatform;
2799         }
2800
2801         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2802                                          &handle))) {
2803                 int arg = 1;
2804                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2805                         dprintk("ECON Method failed\n");
2806         }
2807
2808         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2809                                          &handle))) {
2810                 dprintk("Doing SNC setup\n");
2811                 /* retrieve the available handles */
2812                 result = sony_nc_handles_setup(sony_pf_device);
2813                 if (!result)
2814                         sony_nc_function_setup(device, sony_pf_device);
2815         }
2816
2817         /* setup input devices and helper fifo */
2818         if (acpi_video_backlight_support()) {
2819                 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2820         } else {
2821                 sony_nc_backlight_setup();
2822         }
2823
2824         /* create sony_pf sysfs attributes related to the SNC device */
2825         for (item = sony_nc_values; item->name; ++item) {
2826
2827                 if (!debug && item->debug)
2828                         continue;
2829
2830                 /* find the available acpiget as described in the DSDT */
2831                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2832                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2833                                                          *item->acpiget,
2834                                                          &handle))) {
2835                                 dprintk("Found %s getter: %s\n",
2836                                                 item->name, *item->acpiget);
2837                                 item->devattr.attr.mode |= S_IRUGO;
2838                                 break;
2839                         }
2840                 }
2841
2842                 /* find the available acpiset as described in the DSDT */
2843                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2844                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2845                                                          *item->acpiset,
2846                                                          &handle))) {
2847                                 dprintk("Found %s setter: %s\n",
2848                                                 item->name, *item->acpiset);
2849                                 item->devattr.attr.mode |= S_IWUSR;
2850                                 break;
2851                         }
2852                 }
2853
2854                 if (item->devattr.attr.mode != 0) {
2855                         result =
2856                             device_create_file(&sony_pf_device->dev,
2857                                                &item->devattr);
2858                         if (result)
2859                                 goto out_sysfs;
2860                 }
2861         }
2862
2863         return 0;
2864
2865 out_sysfs:
2866         for (item = sony_nc_values; item->name; ++item) {
2867                 device_remove_file(&sony_pf_device->dev, &item->devattr);
2868         }
2869         sony_nc_backlight_cleanup();
2870         sony_nc_function_cleanup(sony_pf_device);
2871         sony_nc_handles_cleanup(sony_pf_device);
2872
2873 outplatform:
2874         sony_laptop_remove_input();
2875
2876 outpresent:
2877         sony_pf_remove();
2878
2879 outwalk:
2880         sony_nc_rfkill_cleanup();
2881         return result;
2882 }
2883
2884 static int sony_nc_remove(struct acpi_device *device)
2885 {
2886         struct sony_nc_value *item;
2887
2888         sony_nc_backlight_cleanup();
2889
2890         sony_nc_acpi_device = NULL;
2891
2892         for (item = sony_nc_values; item->name; ++item) {
2893                 device_remove_file(&sony_pf_device->dev, &item->devattr);
2894         }
2895
2896         sony_nc_function_cleanup(sony_pf_device);
2897         sony_nc_handles_cleanup(sony_pf_device);
2898         sony_pf_remove();
2899         sony_laptop_remove_input();
2900         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2901
2902         return 0;
2903 }
2904
2905 static const struct acpi_device_id sony_device_ids[] = {
2906         {SONY_NC_HID, 0},
2907         {SONY_PIC_HID, 0},
2908         {"", 0},
2909 };
2910 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2911
2912 static const struct acpi_device_id sony_nc_device_ids[] = {
2913         {SONY_NC_HID, 0},
2914         {"", 0},
2915 };
2916
2917 static struct acpi_driver sony_nc_driver = {
2918         .name = SONY_NC_DRIVER_NAME,
2919         .class = SONY_NC_CLASS,
2920         .ids = sony_nc_device_ids,
2921         .owner = THIS_MODULE,
2922         .ops = {
2923                 .add = sony_nc_add,
2924                 .remove = sony_nc_remove,
2925                 .notify = sony_nc_notify,
2926                 },
2927         .drv.pm = &sony_nc_pm,
2928 };
2929
2930 /*********** SPIC (SNY6001) Device ***********/
2931
2932 #define SONYPI_DEVICE_TYPE1     0x00000001
2933 #define SONYPI_DEVICE_TYPE2     0x00000002
2934 #define SONYPI_DEVICE_TYPE3     0x00000004
2935
2936 #define SONYPI_TYPE1_OFFSET     0x04
2937 #define SONYPI_TYPE2_OFFSET     0x12
2938 #define SONYPI_TYPE3_OFFSET     0x12
2939
2940 struct sony_pic_ioport {
2941         struct acpi_resource_io io1;
2942         struct acpi_resource_io io2;
2943         struct list_head        list;
2944 };
2945
2946 struct sony_pic_irq {
2947         struct acpi_resource_irq        irq;
2948         struct list_head                list;
2949 };
2950
2951 struct sonypi_eventtypes {
2952         u8                      data;
2953         unsigned long           mask;
2954         struct sonypi_event     *events;
2955 };
2956
2957 struct sony_pic_dev {
2958         struct acpi_device              *acpi_dev;
2959         struct sony_pic_irq             *cur_irq;
2960         struct sony_pic_ioport          *cur_ioport;
2961         struct list_head                interrupts;
2962         struct list_head                ioports;
2963         struct mutex                    lock;
2964         struct sonypi_eventtypes        *event_types;
2965         int                             (*handle_irq)(const u8, const u8);
2966         int                             model;
2967         u16                             evport_offset;
2968         u8                              camera_power;
2969         u8                              bluetooth_power;
2970         u8                              wwan_power;
2971 };
2972
2973 static struct sony_pic_dev spic_dev = {
2974         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
2975         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
2976 };
2977
2978 static int spic_drv_registered;
2979
2980 /* Event masks */
2981 #define SONYPI_JOGGER_MASK                      0x00000001
2982 #define SONYPI_CAPTURE_MASK                     0x00000002
2983 #define SONYPI_FNKEY_MASK                       0x00000004
2984 #define SONYPI_BLUETOOTH_MASK                   0x00000008
2985 #define SONYPI_PKEY_MASK                        0x00000010
2986 #define SONYPI_BACK_MASK                        0x00000020
2987 #define SONYPI_HELP_MASK                        0x00000040
2988 #define SONYPI_LID_MASK                         0x00000080
2989 #define SONYPI_ZOOM_MASK                        0x00000100
2990 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
2991 #define SONYPI_MEYE_MASK                        0x00000400
2992 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
2993 #define SONYPI_BATTERY_MASK                     0x00001000
2994 #define SONYPI_WIRELESS_MASK                    0x00002000
2995
2996 struct sonypi_event {
2997         u8      data;
2998         u8      event;
2999 };
3000
3001 /* The set of possible button release events */
3002 static struct sonypi_event sonypi_releaseev[] = {
3003         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3004         { 0, 0 }
3005 };
3006
3007 /* The set of possible jogger events  */
3008 static struct sonypi_event sonypi_joggerev[] = {
3009         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3010         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3011         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3012         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3013         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3014         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3015         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3016         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3017         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3018         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3019         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3020         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3021         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3022         { 0, 0 }
3023 };
3024
3025 /* The set of possible capture button events */
3026 static struct sonypi_event sonypi_captureev[] = {
3027         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3028         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3029         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3030         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3031         { 0, 0 }
3032 };
3033
3034 /* The set of possible fnkeys events */
3035 static struct sonypi_event sonypi_fnkeyev[] = {
3036         { 0x10, SONYPI_EVENT_FNKEY_ESC },
3037         { 0x11, SONYPI_EVENT_FNKEY_F1 },
3038         { 0x12, SONYPI_EVENT_FNKEY_F2 },
3039         { 0x13, SONYPI_EVENT_FNKEY_F3 },
3040         { 0x14, SONYPI_EVENT_FNKEY_F4 },
3041         { 0x15, SONYPI_EVENT_FNKEY_F5 },
3042         { 0x16, SONYPI_EVENT_FNKEY_F6 },
3043         { 0x17, SONYPI_EVENT_FNKEY_F7 },
3044         { 0x18, SONYPI_EVENT_FNKEY_F8 },
3045         { 0x19, SONYPI_EVENT_FNKEY_F9 },
3046         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3047         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3048         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3049         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3050         { 0x21, SONYPI_EVENT_FNKEY_1 },
3051         { 0x22, SONYPI_EVENT_FNKEY_2 },
3052         { 0x31, SONYPI_EVENT_FNKEY_D },
3053         { 0x32, SONYPI_EVENT_FNKEY_E },
3054         { 0x33, SONYPI_EVENT_FNKEY_F },
3055         { 0x34, SONYPI_EVENT_FNKEY_S },
3056         { 0x35, SONYPI_EVENT_FNKEY_B },
3057         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3058         { 0, 0 }
3059 };
3060
3061 /* The set of possible program key events */
3062 static struct sonypi_event sonypi_pkeyev[] = {
3063         { 0x01, SONYPI_EVENT_PKEY_P1 },
3064         { 0x02, SONYPI_EVENT_PKEY_P2 },
3065         { 0x04, SONYPI_EVENT_PKEY_P3 },
3066         { 0x20, SONYPI_EVENT_PKEY_P1 },
3067         { 0, 0 }
3068 };
3069
3070 /* The set of possible bluetooth events */
3071 static struct sonypi_event sonypi_blueev[] = {
3072         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3073         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3074         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3075         { 0, 0 }
3076 };
3077
3078 /* The set of possible wireless events */
3079 static struct sonypi_event sonypi_wlessev[] = {
3080         { 0x59, SONYPI_EVENT_IGNORE },
3081         { 0x5a, SONYPI_EVENT_IGNORE },
3082         { 0, 0 }
3083 };
3084
3085 /* The set of possible back button events */
3086 static struct sonypi_event sonypi_backev[] = {
3087         { 0x20, SONYPI_EVENT_BACK_PRESSED },
3088         { 0, 0 }
3089 };
3090
3091 /* The set of possible help button events */
3092 static struct sonypi_event sonypi_helpev[] = {
3093         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3094         { 0, 0 }
3095 };
3096
3097
3098 /* The set of possible lid events */
3099 static struct sonypi_event sonypi_lidev[] = {
3100         { 0x51, SONYPI_EVENT_LID_CLOSED },
3101         { 0x50, SONYPI_EVENT_LID_OPENED },
3102         { 0, 0 }
3103 };
3104
3105 /* The set of possible zoom events */
3106 static struct sonypi_event sonypi_zoomev[] = {
3107         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3108         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3109         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3110         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3111         { 0, 0 }
3112 };
3113
3114 /* The set of possible thumbphrase events */
3115 static struct sonypi_event sonypi_thumbphraseev[] = {
3116         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3117         { 0, 0 }
3118 };
3119
3120 /* The set of possible motioneye camera events */
3121 static struct sonypi_event sonypi_meyeev[] = {
3122         { 0x00, SONYPI_EVENT_MEYE_FACE },
3123         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3124         { 0, 0 }
3125 };
3126
3127 /* The set of possible memorystick events */
3128 static struct sonypi_event sonypi_memorystickev[] = {
3129         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3130         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3131         { 0, 0 }
3132 };
3133
3134 /* The set of possible battery events */
3135 static struct sonypi_event sonypi_batteryev[] = {
3136         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3137         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3138         { 0, 0 }
3139 };
3140
3141 /* The set of possible volume events */
3142 static struct sonypi_event sonypi_volumeev[] = {
3143         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3144         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3145         { 0, 0 }
3146 };
3147
3148 /* The set of possible brightness events */
3149 static struct sonypi_event sonypi_brightnessev[] = {
3150         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3151         { 0, 0 }
3152 };
3153
3154 static struct sonypi_eventtypes type1_events[] = {
3155         { 0, 0xffffffff, sonypi_releaseev },
3156         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3157         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3158         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3159         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3160         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3161         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3162         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3163         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3164         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3165         { 0 },
3166 };
3167 static struct sonypi_eventtypes type2_events[] = {
3168         { 0, 0xffffffff, sonypi_releaseev },
3169         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3170         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3171         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3172         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3173         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3174         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3175         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3176         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3177         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3178         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3179         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3180         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3181         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3182         { 0 },
3183 };
3184 static struct sonypi_eventtypes type3_events[] = {
3185         { 0, 0xffffffff, sonypi_releaseev },
3186         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3187         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3188         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3189         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3190         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3191         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3192         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3193         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3194         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3195         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3196         { 0 },
3197 };
3198
3199 /* low level spic calls */
3200 #define ITERATIONS_LONG         10000
3201 #define ITERATIONS_SHORT        10
3202 #define wait_on_command(command, iterations) {                          \
3203         unsigned int n = iterations;                                    \
3204         while (--n && (command))                                        \
3205                 udelay(1);                                              \
3206         if (!n)                                                         \
3207                 dprintk("command failed at %s : %s (line %d)\n",        \
3208                                 __FILE__, __func__, __LINE__);  \
3209 }
3210
3211 static u8 sony_pic_call1(u8 dev)
3212 {
3213         u8 v1, v2;
3214
3215         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3216                         ITERATIONS_LONG);
3217         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3218         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3219         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3220         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3221         return v2;
3222 }
3223
3224 static u8 sony_pic_call2(u8 dev, u8 fn)
3225 {
3226         u8 v1;
3227
3228         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3229                         ITERATIONS_LONG);
3230         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3231         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3232                         ITERATIONS_LONG);
3233         outb(fn, spic_dev.cur_ioport->io1.minimum);
3234         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3235         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3236         return v1;
3237 }
3238
3239 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3240 {
3241         u8 v1;
3242
3243         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3244         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3245         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3246         outb(fn, spic_dev.cur_ioport->io1.minimum);
3247         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3248         outb(v, spic_dev.cur_ioport->io1.minimum);
3249         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3250         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3251                         dev, fn, v, v1);
3252         return v1;
3253 }
3254
3255 /*
3256  * minidrivers for SPIC models
3257  */
3258 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3259 {
3260         /*
3261          * 0x31 could mean we have to take some extra action and wait for
3262          * the next irq for some Type3 models, it will generate a new
3263          * irq and we can read new data from the device:
3264          *  - 0x5c and 0x5f requires 0xA0
3265          *  - 0x61 requires 0xB3
3266          */
3267         if (data_mask == 0x31) {
3268                 if (ev == 0x5c || ev == 0x5f)
3269                         sony_pic_call1(0xA0);
3270                 else if (ev == 0x61)
3271                         sony_pic_call1(0xB3);
3272                 return 0;
3273         }
3274         return 1;
3275 }
3276
3277 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3278 {
3279         struct pci_dev *pcidev;
3280
3281         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3282                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3283         if (pcidev) {
3284                 dev->model = SONYPI_DEVICE_TYPE1;
3285                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3286                 dev->event_types = type1_events;
3287                 goto out;
3288         }
3289
3290         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3291                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3292         if (pcidev) {
3293                 dev->model = SONYPI_DEVICE_TYPE2;
3294                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3295                 dev->event_types = type2_events;
3296                 goto out;
3297         }
3298
3299         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3300                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3301         if (pcidev) {
3302                 dev->model = SONYPI_DEVICE_TYPE3;
3303                 dev->handle_irq = type3_handle_irq;
3304                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3305                 dev->event_types = type3_events;
3306                 goto out;
3307         }
3308
3309         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3310                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3311         if (pcidev) {
3312                 dev->model = SONYPI_DEVICE_TYPE3;
3313                 dev->handle_irq = type3_handle_irq;
3314                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3315                 dev->event_types = type3_events;
3316                 goto out;
3317         }
3318
3319         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3320                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3321         if (pcidev) {
3322                 dev->model = SONYPI_DEVICE_TYPE3;
3323                 dev->handle_irq = type3_handle_irq;
3324                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3325                 dev->event_types = type3_events;
3326                 goto out;
3327         }
3328
3329         /* default */
3330         dev->model = SONYPI_DEVICE_TYPE2;
3331         dev->evport_offset = SONYPI_TYPE2_OFFSET;
3332         dev->event_types = type2_events;
3333
3334 out:
3335         if (pcidev)
3336                 pci_dev_put(pcidev);
3337
3338         pr_info("detected Type%d model\n",
3339                 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3340                 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3341 }
3342
3343 /* camera tests and poweron/poweroff */
3344 #define SONYPI_CAMERA_PICTURE           5
3345 #define SONYPI_CAMERA_CONTROL           0x10
3346
3347 #define SONYPI_CAMERA_BRIGHTNESS                0
3348 #define SONYPI_CAMERA_CONTRAST                  1
3349 #define SONYPI_CAMERA_HUE                       2
3350 #define SONYPI_CAMERA_COLOR                     3
3351 #define SONYPI_CAMERA_SHARPNESS                 4
3352
3353 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
3354 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
3355 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
3356 #define SONYPI_CAMERA_MUTE_MASK                 0x40
3357
3358 /* the rest don't need a loop until not 0xff */
3359 #define SONYPI_CAMERA_AGC                       6
3360 #define SONYPI_CAMERA_AGC_MASK                  0x30
3361 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
3362
3363 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
3364 #define SONYPI_CAMERA_CONTROL                   0x10
3365
3366 #define SONYPI_CAMERA_STATUS                    7
3367 #define SONYPI_CAMERA_STATUS_READY              0x2
3368 #define SONYPI_CAMERA_STATUS_POSITION           0x4
3369
3370 #define SONYPI_DIRECTION_BACKWARDS              0x4
3371
3372 #define SONYPI_CAMERA_REVISION                  8
3373 #define SONYPI_CAMERA_ROMVERSION                9
3374
3375 static int __sony_pic_camera_ready(void)
3376 {
3377         u8 v;
3378
3379         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3380         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3381 }
3382
3383 static int __sony_pic_camera_off(void)
3384 {
3385         if (!camera) {
3386                 pr_warn("camera control not enabled\n");
3387                 return -ENODEV;
3388         }
3389
3390         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3391                                 SONYPI_CAMERA_MUTE_MASK),
3392                         ITERATIONS_SHORT);
3393
3394         if (spic_dev.camera_power) {
3395                 sony_pic_call2(0x91, 0);
3396                 spic_dev.camera_power = 0;
3397         }
3398         return 0;
3399 }
3400
3401 static int __sony_pic_camera_on(void)
3402 {
3403         int i, j, x;
3404
3405         if (!camera) {
3406                 pr_warn("camera control not enabled\n");
3407                 return -ENODEV;
3408         }
3409
3410         if (spic_dev.camera_power)
3411                 return 0;
3412
3413         for (j = 5; j > 0; j--) {
3414
3415                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3416                         msleep(10);
3417                 sony_pic_call1(0x93);
3418
3419                 for (i = 400; i > 0; i--) {
3420                         if (__sony_pic_camera_ready())
3421                                 break;
3422                         msleep(10);
3423                 }
3424                 if (i)
3425                         break;
3426         }
3427
3428         if (j == 0) {
3429                 pr_warn("failed to power on camera\n");
3430                 return -ENODEV;
3431         }
3432
3433         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3434                                 0x5a),
3435                         ITERATIONS_SHORT);
3436
3437         spic_dev.camera_power = 1;
3438         return 0;
3439 }
3440
3441 /* External camera command (exported to the motion eye v4l driver) */
3442 int sony_pic_camera_command(int command, u8 value)
3443 {
3444         if (!camera)
3445                 return -EIO;
3446
3447         mutex_lock(&spic_dev.lock);
3448
3449         switch (command) {
3450         case SONY_PIC_COMMAND_SETCAMERA:
3451                 if (value)
3452                         __sony_pic_camera_on();
3453                 else
3454                         __sony_pic_camera_off();
3455                 break;
3456         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3457                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3458                                 ITERATIONS_SHORT);
3459                 break;
3460         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3461                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3462                                 ITERATIONS_SHORT);
3463                 break;
3464         case SONY_PIC_COMMAND_SETCAMERAHUE:
3465                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3466                                 ITERATIONS_SHORT);
3467                 break;
3468         case SONY_PIC_COMMAND_SETCAMERACOLOR:
3469                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3470                                 ITERATIONS_SHORT);
3471                 break;
3472         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3473                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3474                                 ITERATIONS_SHORT);
3475                 break;
3476         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3477                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3478                                 ITERATIONS_SHORT);
3479                 break;
3480         case SONY_PIC_COMMAND_SETCAMERAAGC:
3481                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3482                                 ITERATIONS_SHORT);
3483                 break;
3484         default:
3485                 pr_err("sony_pic_camera_command invalid: %d\n", command);
3486                 break;
3487         }
3488         mutex_unlock(&spic_dev.lock);
3489         return 0;
3490 }
3491 EXPORT_SYMBOL(sony_pic_camera_command);
3492
3493 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3494 static void __sony_pic_set_wwanpower(u8 state)
3495 {
3496         state = !!state;
3497         if (spic_dev.wwan_power == state)
3498                 return;
3499         sony_pic_call2(0xB0, state);
3500         sony_pic_call1(0x82);
3501         spic_dev.wwan_power = state;
3502 }
3503
3504 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3505                 struct device_attribute *attr,
3506                 const char *buffer, size_t count)
3507 {
3508         unsigned long value;
3509         if (count > 31)
3510                 return -EINVAL;
3511
3512         if (kstrtoul(buffer, 10, &value))
3513                 return -EINVAL;
3514
3515         mutex_lock(&spic_dev.lock);
3516         __sony_pic_set_wwanpower(value);
3517         mutex_unlock(&spic_dev.lock);
3518
3519         return count;
3520 }
3521
3522 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3523                 struct device_attribute *attr, char *buffer)
3524 {
3525         ssize_t count;
3526         mutex_lock(&spic_dev.lock);
3527         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3528         mutex_unlock(&spic_dev.lock);
3529         return count;
3530 }
3531
3532 /* bluetooth subsystem power state */
3533 static void __sony_pic_set_bluetoothpower(u8 state)
3534 {
3535         state = !!state;
3536         if (spic_dev.bluetooth_power == state)
3537                 return;
3538         sony_pic_call2(0x96, state);
3539         sony_pic_call1(0x82);
3540         spic_dev.bluetooth_power = state;
3541 }
3542
3543 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3544                 struct device_attribute *attr,
3545                 const char *buffer, size_t count)
3546 {
3547         unsigned long value;
3548         if (count > 31)
3549                 return -EINVAL;
3550
3551         if (kstrtoul(buffer, 10, &value))
3552                 return -EINVAL;
3553
3554         mutex_lock(&spic_dev.lock);
3555         __sony_pic_set_bluetoothpower(value);
3556         mutex_unlock(&spic_dev.lock);
3557
3558         return count;
3559 }
3560
3561 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3562                 struct device_attribute *attr, char *buffer)
3563 {
3564         ssize_t count = 0;
3565         mutex_lock(&spic_dev.lock);
3566         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3567         mutex_unlock(&spic_dev.lock);
3568         return count;
3569 }
3570
3571 /* fan speed */
3572 /* FAN0 information (reverse engineered from ACPI tables) */
3573 #define SONY_PIC_FAN0_STATUS    0x93
3574 static int sony_pic_set_fanspeed(unsigned long value)
3575 {
3576         return ec_write(SONY_PIC_FAN0_STATUS, value);
3577 }
3578
3579 static int sony_pic_get_fanspeed(u8 *value)
3580 {
3581         return ec_read(SONY_PIC_FAN0_STATUS, value);
3582 }
3583
3584 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3585                 struct device_attribute *attr,
3586                 const char *buffer, size_t count)
3587 {
3588         unsigned long value;
3589         if (count > 31)
3590                 return -EINVAL;
3591
3592         if (kstrtoul(buffer, 10, &value))
3593                 return -EINVAL;
3594
3595         if (sony_pic_set_fanspeed(value))
3596                 return -EIO;
3597
3598         return count;
3599 }
3600
3601 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3602                 struct device_attribute *attr, char *buffer)
3603 {
3604         u8 value = 0;
3605         if (sony_pic_get_fanspeed(&value))
3606                 return -EIO;
3607
3608         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3609 }
3610
3611 #define SPIC_ATTR(_name, _mode)                                 \
3612 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
3613                 _mode, sony_pic_## _name ##_show,               \
3614                 sony_pic_## _name ##_store)
3615
3616 static SPIC_ATTR(bluetoothpower, 0644);
3617 static SPIC_ATTR(wwanpower, 0644);
3618 static SPIC_ATTR(fanspeed, 0644);
3619
3620 static struct attribute *spic_attributes[] = {
3621         &spic_attr_bluetoothpower.attr,
3622         &spic_attr_wwanpower.attr,
3623         &spic_attr_fanspeed.attr,
3624         NULL
3625 };
3626
3627 static struct attribute_group spic_attribute_group = {
3628         .attrs = spic_attributes
3629 };
3630
3631 /******** SONYPI compatibility **********/
3632 #ifdef CONFIG_SONYPI_COMPAT
3633
3634 /* battery / brightness / temperature  addresses */
3635 #define SONYPI_BAT_FLAGS        0x81
3636 #define SONYPI_LCD_LIGHT        0x96
3637 #define SONYPI_BAT1_PCTRM       0xa0
3638 #define SONYPI_BAT1_LEFT        0xa2
3639 #define SONYPI_BAT1_MAXRT       0xa4
3640 #define SONYPI_BAT2_PCTRM       0xa8
3641 #define SONYPI_BAT2_LEFT        0xaa
3642 #define SONYPI_BAT2_MAXRT       0xac
3643 #define SONYPI_BAT1_MAXTK       0xb0
3644 #define SONYPI_BAT1_FULL        0xb2
3645 #define SONYPI_BAT2_MAXTK       0xb8
3646 #define SONYPI_BAT2_FULL        0xba
3647 #define SONYPI_TEMP_STATUS      0xC1
3648
3649 struct sonypi_compat_s {
3650         struct fasync_struct    *fifo_async;
3651         struct kfifo            fifo;
3652         spinlock_t              fifo_lock;
3653         wait_queue_head_t       fifo_proc_list;
3654         atomic_t                open_count;
3655 };
3656 static struct sonypi_compat_s sonypi_compat = {
3657         .open_count = ATOMIC_INIT(0),
3658 };
3659
3660 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3661 {
3662         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3663 }
3664
3665 static int sonypi_misc_release(struct inode *inode, struct file *file)
3666 {
3667         atomic_dec(&sonypi_compat.open_count);
3668         return 0;
3669 }
3670
3671 static int sonypi_misc_open(struct inode *inode, struct file *file)
3672 {
3673         /* Flush input queue on first open */
3674         unsigned long flags;
3675
3676         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3677
3678         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3679                 kfifo_reset(&sonypi_compat.fifo);
3680
3681         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3682
3683         return 0;
3684 }
3685
3686 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3687                                 size_t count, loff_t *pos)
3688 {
3689         ssize_t ret;
3690         unsigned char c;
3691
3692         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3693             (file->f_flags & O_NONBLOCK))
3694                 return -EAGAIN;
3695
3696         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3697                                        kfifo_len(&sonypi_compat.fifo) != 0);
3698         if (ret)
3699                 return ret;
3700
3701         while (ret < count &&
3702                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3703                           &sonypi_compat.fifo_lock) == sizeof(c))) {
3704                 if (put_user(c, buf++))
3705                         return -EFAULT;
3706                 ret++;
3707         }
3708
3709         if (ret > 0) {
3710                 struct inode *inode = file_inode(file);
3711                 inode->i_atime = current_fs_time(inode->i_sb);
3712         }
3713
3714         return ret;
3715 }
3716
3717 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3718 {
3719         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3720         if (kfifo_len(&sonypi_compat.fifo))
3721                 return POLLIN | POLLRDNORM;
3722         return 0;
3723 }
3724
3725 static int ec_read16(u8 addr, u16 *value)
3726 {
3727         u8 val_lb, val_hb;
3728         if (ec_read(addr, &val_lb))
3729                 return -1;
3730         if (ec_read(addr + 1, &val_hb))
3731                 return -1;
3732         *value = val_lb | (val_hb << 8);
3733         return 0;
3734 }
3735
3736 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3737                                                         unsigned long arg)
3738 {
3739         int ret = 0;
3740         void __user *argp = (void __user *)arg;
3741         u8 val8;
3742         u16 val16;
3743         int value;
3744
3745         mutex_lock(&spic_dev.lock);
3746         switch (cmd) {
3747         case SONYPI_IOCGBRT:
3748                 if (sony_bl_props.dev == NULL) {
3749                         ret = -EIO;
3750                         break;
3751                 }
3752                 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3753                                         &value)) {
3754                         ret = -EIO;
3755                         break;
3756                 }
3757                 val8 = ((value & 0xff) - 1) << 5;
3758                 if (copy_to_user(argp, &val8, sizeof(val8)))
3759                                 ret = -EFAULT;
3760                 break;
3761         case SONYPI_IOCSBRT:
3762                 if (sony_bl_props.dev == NULL) {
3763                         ret = -EIO;
3764                         break;
3765                 }
3766                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3767                         ret = -EFAULT;
3768                         break;
3769                 }
3770                 value = (val8 >> 5) + 1;
3771                 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3772                                         NULL)) {
3773                         ret = -EIO;
3774                         break;
3775                 }
3776                 /* sync the backlight device status */
3777                 sony_bl_props.dev->props.brightness =
3778                     sony_backlight_get_brightness(sony_bl_props.dev);
3779                 break;
3780         case SONYPI_IOCGBAT1CAP:
3781                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3782                         ret = -EIO;
3783                         break;
3784                 }
3785                 if (copy_to_user(argp, &val16, sizeof(val16)))
3786                         ret = -EFAULT;
3787                 break;
3788         case SONYPI_IOCGBAT1REM:
3789                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3790                         ret = -EIO;
3791                         break;
3792                 }
3793                 if (copy_to_user(argp, &val16, sizeof(val16)))
3794                         ret = -EFAULT;
3795                 break;
3796         case SONYPI_IOCGBAT2CAP:
3797                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3798                         ret = -EIO;
3799                         break;
3800                 }
3801                 if (copy_to_user(argp, &val16, sizeof(val16)))
3802                         ret = -EFAULT;
3803                 break;
3804         case SONYPI_IOCGBAT2REM:
3805                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3806                         ret = -EIO;
3807                         break;
3808                 }
3809                 if (copy_to_user(argp, &val16, sizeof(val16)))
3810                         ret = -EFAULT;
3811                 break;
3812         case SONYPI_IOCGBATFLAGS:
3813                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3814                         ret = -EIO;
3815                         break;
3816                 }
3817                 val8 &= 0x07;
3818                 if (copy_to_user(argp, &val8, sizeof(val8)))
3819                         ret = -EFAULT;
3820                 break;
3821         case SONYPI_IOCGBLUE:
3822                 val8 = spic_dev.bluetooth_power;
3823                 if (copy_to_user(argp, &val8, sizeof(val8)))
3824                         ret = -EFAULT;
3825                 break;
3826         case SONYPI_IOCSBLUE:
3827                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3828                         ret = -EFAULT;
3829                         break;
3830                 }
3831                 __sony_pic_set_bluetoothpower(val8);
3832                 break;
3833         /* FAN Controls */
3834         case SONYPI_IOCGFAN:
3835                 if (sony_pic_get_fanspeed(&val8)) {
3836                         ret = -EIO;
3837                         break;
3838                 }
3839                 if (copy_to_user(argp, &val8, sizeof(val8)))
3840                         ret = -EFAULT;
3841                 break;
3842         case SONYPI_IOCSFAN:
3843                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3844                         ret = -EFAULT;
3845                         break;
3846                 }
3847                 if (sony_pic_set_fanspeed(val8))
3848                         ret = -EIO;
3849                 break;
3850         /* GET Temperature (useful under APM) */
3851         case SONYPI_IOCGTEMP:
3852                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3853                         ret = -EIO;
3854                         break;
3855                 }
3856                 if (copy_to_user(argp, &val8, sizeof(val8)))
3857                         ret = -EFAULT;
3858                 break;
3859         default:
3860                 ret = -EINVAL;
3861         }
3862         mutex_unlock(&spic_dev.lock);
3863         return ret;
3864 }
3865
3866 static const struct file_operations sonypi_misc_fops = {
3867         .owner          = THIS_MODULE,
3868         .read           = sonypi_misc_read,
3869         .poll           = sonypi_misc_poll,
3870         .open           = sonypi_misc_open,
3871         .release        = sonypi_misc_release,
3872         .fasync         = sonypi_misc_fasync,
3873         .unlocked_ioctl = sonypi_misc_ioctl,
3874         .llseek         = noop_llseek,
3875 };
3876
3877 static struct miscdevice sonypi_misc_device = {
3878         .minor          = MISC_DYNAMIC_MINOR,
3879         .name           = "sonypi",
3880         .fops           = &sonypi_misc_fops,
3881 };
3882
3883 static void sonypi_compat_report_event(u8 event)
3884 {
3885         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3886                         sizeof(event), &sonypi_compat.fifo_lock);
3887         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3888         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3889 }
3890
3891 static int sonypi_compat_init(void)
3892 {
3893         int error;
3894
3895         spin_lock_init(&sonypi_compat.fifo_lock);
3896         error =
3897          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3898         if (error) {
3899                 pr_err("kfifo_alloc failed\n");
3900                 return error;
3901         }
3902
3903         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3904
3905         if (minor != -1)
3906                 sonypi_misc_device.minor = minor;
3907         error = misc_register(&sonypi_misc_device);
3908         if (error) {
3909                 pr_err("misc_register failed\n");
3910                 goto err_free_kfifo;
3911         }
3912         if (minor == -1)
3913                 pr_info("device allocated minor is %d\n",
3914                         sonypi_misc_device.minor);
3915
3916         return 0;
3917
3918 err_free_kfifo:
3919         kfifo_free(&sonypi_compat.fifo);
3920         return error;
3921 }
3922
3923 static void sonypi_compat_exit(void)
3924 {
3925         misc_deregister(&sonypi_misc_device);
3926         kfifo_free(&sonypi_compat.fifo);
3927 }
3928 #else
3929 static int sonypi_compat_init(void) { return 0; }
3930 static void sonypi_compat_exit(void) { }
3931 static void sonypi_compat_report_event(u8 event) { }
3932 #endif /* CONFIG_SONYPI_COMPAT */
3933
3934 /*
3935  * ACPI callbacks
3936  */
3937 static acpi_status
3938 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3939 {
3940         u32 i;
3941         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3942
3943         switch (resource->type) {
3944         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3945                 {
3946                         /* start IO enumeration */
3947                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3948                         if (!ioport)
3949                                 return AE_ERROR;
3950
3951                         list_add(&ioport->list, &dev->ioports);
3952                         return AE_OK;
3953                 }
3954
3955         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3956                 /* end IO enumeration */
3957                 return AE_OK;
3958
3959         case ACPI_RESOURCE_TYPE_IRQ:
3960                 {
3961                         struct acpi_resource_irq *p = &resource->data.irq;
3962                         struct sony_pic_irq *interrupt = NULL;
3963                         if (!p || !p->interrupt_count) {
3964                                 /*
3965                                  * IRQ descriptors may have no IRQ# bits set,
3966                                  * particularly those those w/ _STA disabled
3967                                  */
3968                                 dprintk("Blank IRQ resource\n");
3969                                 return AE_OK;
3970                         }
3971                         for (i = 0; i < p->interrupt_count; i++) {
3972                                 if (!p->interrupts[i]) {
3973                                         pr_warn("Invalid IRQ %d\n",
3974                                                 p->interrupts[i]);
3975                                         continue;
3976                                 }
3977                                 interrupt = kzalloc(sizeof(*interrupt),
3978                                                 GFP_KERNEL);
3979                                 if (!interrupt)
3980                                         return AE_ERROR;
3981
3982                                 list_add(&interrupt->list, &dev->interrupts);
3983                                 interrupt->irq.triggering = p->triggering;
3984                                 interrupt->irq.polarity = p->polarity;
3985                                 interrupt->irq.sharable = p->sharable;
3986                                 interrupt->irq.interrupt_count = 1;
3987                                 interrupt->irq.interrupts[0] = p->interrupts[i];
3988                         }
3989                         return AE_OK;
3990                 }
3991         case ACPI_RESOURCE_TYPE_IO:
3992                 {
3993                         struct acpi_resource_io *io = &resource->data.io;
3994                         struct sony_pic_ioport *ioport =
3995                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3996                         if (!io) {
3997                                 dprintk("Blank IO resource\n");
3998                                 return AE_OK;
3999                         }
4000
4001                         if (!ioport->io1.minimum) {
4002                                 memcpy(&ioport->io1, io, sizeof(*io));
4003                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4004                                                 ioport->io1.address_length);
4005                         }
4006                         else if (!ioport->io2.minimum) {
4007                                 memcpy(&ioport->io2, io, sizeof(*io));
4008                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4009                                                 ioport->io2.address_length);
4010                         }
4011                         else {
4012                                 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4013                                 return AE_ERROR;
4014                         }
4015                         return AE_OK;
4016                 }
4017         default:
4018                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4019                         resource->type);
4020
4021         case ACPI_RESOURCE_TYPE_END_TAG:
4022                 return AE_OK;
4023         }
4024         return AE_CTRL_TERMINATE;
4025 }
4026
4027 static int sony_pic_possible_resources(struct acpi_device *device)
4028 {
4029         int result = 0;
4030         acpi_status status = AE_OK;
4031
4032         if (!device)
4033                 return -EINVAL;
4034
4035         /* get device status */
4036         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4037         dprintk("Evaluating _STA\n");
4038         result = acpi_bus_get_status(device);
4039         if (result) {
4040                 pr_warn("Unable to read status\n");
4041                 goto end;
4042         }
4043
4044         if (!device->status.enabled)
4045                 dprintk("Device disabled\n");
4046         else
4047                 dprintk("Device enabled\n");
4048
4049         /*
4050          * Query and parse 'method'
4051          */
4052         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4053         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4054                         sony_pic_read_possible_resource, &spic_dev);
4055         if (ACPI_FAILURE(status)) {
4056                 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4057                 result = -ENODEV;
4058         }
4059 end:
4060         return result;
4061 }
4062
4063 /*
4064  *  Disable the spic device by calling its _DIS method
4065  */
4066 static int sony_pic_disable(struct acpi_device *device)
4067 {
4068         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4069                                                NULL);
4070
4071         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4072                 return -ENXIO;
4073
4074         dprintk("Device disabled\n");
4075         return 0;
4076 }
4077
4078
4079 /*
4080  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4081  *
4082  *  Call _SRS to set current resources
4083  */
4084 static int sony_pic_enable(struct acpi_device *device,
4085                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4086 {
4087         acpi_status status;
4088         int result = 0;
4089         /* Type 1 resource layout is:
4090          *    IO
4091          *    IO
4092          *    IRQNoFlags
4093          *    End
4094          *
4095          * Type 2 and 3 resource layout is:
4096          *    IO
4097          *    IRQNoFlags
4098          *    End
4099          */
4100         struct {
4101                 struct acpi_resource res1;
4102                 struct acpi_resource res2;
4103                 struct acpi_resource res3;
4104                 struct acpi_resource res4;
4105         } *resource;
4106         struct acpi_buffer buffer = { 0, NULL };
4107
4108         if (!ioport || !irq)
4109                 return -EINVAL;
4110
4111         /* init acpi_buffer */
4112         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4113         if (!resource)
4114                 return -ENOMEM;
4115
4116         buffer.length = sizeof(*resource) + 1;
4117         buffer.pointer = resource;
4118
4119         /* setup Type 1 resources */
4120         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4121
4122                 /* setup io resources */
4123                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4124                 resource->res1.length = sizeof(struct acpi_resource);
4125                 memcpy(&resource->res1.data.io, &ioport->io1,
4126                                 sizeof(struct acpi_resource_io));
4127
4128                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4129                 resource->res2.length = sizeof(struct acpi_resource);
4130                 memcpy(&resource->res2.data.io, &ioport->io2,
4131                                 sizeof(struct acpi_resource_io));
4132
4133                 /* setup irq resource */
4134                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4135                 resource->res3.length = sizeof(struct acpi_resource);
4136                 memcpy(&resource->res3.data.irq, &irq->irq,
4137                                 sizeof(struct acpi_resource_irq));
4138                 /* we requested a shared irq */
4139                 resource->res3.data.irq.sharable = ACPI_SHARED;
4140
4141                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4142                 resource->res4.length = sizeof(struct acpi_resource);
4143         }
4144         /* setup Type 2/3 resources */
4145         else {
4146                 /* setup io resource */
4147                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4148                 resource->res1.length = sizeof(struct acpi_resource);
4149                 memcpy(&resource->res1.data.io, &ioport->io1,
4150                                 sizeof(struct acpi_resource_io));
4151
4152                 /* setup irq resource */
4153                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4154                 resource->res2.length = sizeof(struct acpi_resource);
4155                 memcpy(&resource->res2.data.irq, &irq->irq,
4156                                 sizeof(struct acpi_resource_irq));
4157                 /* we requested a shared irq */
4158                 resource->res2.data.irq.sharable = ACPI_SHARED;
4159
4160                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4161                 resource->res3.length = sizeof(struct acpi_resource);
4162         }
4163
4164         /* Attempt to set the resource */
4165         dprintk("Evaluating _SRS\n");
4166         status = acpi_set_current_resources(device->handle, &buffer);
4167
4168         /* check for total failure */
4169         if (ACPI_FAILURE(status)) {
4170                 pr_err("Error evaluating _SRS\n");
4171                 result = -ENODEV;
4172                 goto end;
4173         }
4174
4175         /* Necessary device initializations calls (from sonypi) */
4176         sony_pic_call1(0x82);
4177         sony_pic_call2(0x81, 0xff);
4178         sony_pic_call1(compat ? 0x92 : 0x82);
4179
4180 end:
4181         kfree(resource);
4182         return result;
4183 }
4184
4185 /*****************
4186  *
4187  * ISR: some event is available
4188  *
4189  *****************/
4190 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4191 {
4192         int i, j;
4193         u8 ev = 0;
4194         u8 data_mask = 0;
4195         u8 device_event = 0;
4196
4197         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4198
4199         ev = inb_p(dev->cur_ioport->io1.minimum);
4200         if (dev->cur_ioport->io2.minimum)
4201                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4202         else
4203                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4204                                 dev->evport_offset);
4205
4206         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4207                         ev, data_mask, dev->cur_ioport->io1.minimum,
4208                         dev->evport_offset);
4209
4210         if (ev == 0x00 || ev == 0xff)
4211                 return IRQ_HANDLED;
4212
4213         for (i = 0; dev->event_types[i].mask; i++) {
4214
4215                 if ((data_mask & dev->event_types[i].data) !=
4216                     dev->event_types[i].data)
4217                         continue;
4218
4219                 if (!(mask & dev->event_types[i].mask))
4220                         continue;
4221
4222                 for (j = 0; dev->event_types[i].events[j].event; j++) {
4223                         if (ev == dev->event_types[i].events[j].data) {
4224                                 device_event =
4225                                         dev->event_types[i].events[j].event;
4226                                 /* some events may require ignoring */
4227                                 if (!device_event)
4228                                         return IRQ_HANDLED;
4229                                 goto found;
4230                         }
4231                 }
4232         }
4233         /* Still not able to decode the event try to pass
4234          * it over to the minidriver
4235          */
4236         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4237                 return IRQ_HANDLED;
4238
4239         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4240                         ev, data_mask, dev->cur_ioport->io1.minimum,
4241                         dev->evport_offset);
4242         return IRQ_HANDLED;
4243
4244 found:
4245         sony_laptop_report_input_event(device_event);
4246         sonypi_compat_report_event(device_event);
4247         return IRQ_HANDLED;
4248 }
4249
4250 /*****************
4251  *
4252  *  ACPI driver
4253  *
4254  *****************/
4255 static int sony_pic_remove(struct acpi_device *device)
4256 {
4257         struct sony_pic_ioport *io, *tmp_io;
4258         struct sony_pic_irq *irq, *tmp_irq;
4259
4260         if (sony_pic_disable(device)) {
4261                 pr_err("Couldn't disable device\n");
4262                 return -ENXIO;
4263         }
4264
4265         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4266         release_region(spic_dev.cur_ioport->io1.minimum,
4267                         spic_dev.cur_ioport->io1.address_length);
4268         if (spic_dev.cur_ioport->io2.minimum)
4269                 release_region(spic_dev.cur_ioport->io2.minimum,
4270                                 spic_dev.cur_ioport->io2.address_length);
4271
4272         sonypi_compat_exit();
4273
4274         sony_laptop_remove_input();
4275
4276         /* pf attrs */
4277         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4278         sony_pf_remove();
4279
4280         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4281                 list_del(&io->list);
4282                 kfree(io);
4283         }
4284         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4285                 list_del(&irq->list);
4286                 kfree(irq);
4287         }
4288         spic_dev.cur_ioport = NULL;
4289         spic_dev.cur_irq = NULL;
4290
4291         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4292         return 0;
4293 }
4294
4295 static int sony_pic_add(struct acpi_device *device)
4296 {
4297         int result;
4298         struct sony_pic_ioport *io, *tmp_io;
4299         struct sony_pic_irq *irq, *tmp_irq;
4300
4301         pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4302
4303         spic_dev.acpi_dev = device;
4304         strcpy(acpi_device_class(device), "sony/hotkey");
4305         sony_pic_detect_device_type(&spic_dev);
4306         mutex_init(&spic_dev.lock);
4307
4308         /* read _PRS resources */
4309         result = sony_pic_possible_resources(device);
4310         if (result) {
4311                 pr_err("Unable to read possible resources\n");
4312                 goto err_free_resources;
4313         }
4314
4315         /* setup input devices and helper fifo */
4316         result = sony_laptop_setup_input(device);
4317         if (result) {
4318                 pr_err("Unable to create input devices\n");
4319                 goto err_free_resources;
4320         }
4321
4322         result = sonypi_compat_init();
4323         if (result)
4324                 goto err_remove_input;
4325
4326         /* request io port */
4327         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4328                 if (request_region(io->io1.minimum, io->io1.address_length,
4329                                         "Sony Programmable I/O Device")) {
4330                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4331                                         io->io1.minimum, io->io1.maximum,
4332                                         io->io1.address_length);
4333                         /* Type 1 have 2 ioports */
4334                         if (io->io2.minimum) {
4335                                 if (request_region(io->io2.minimum,
4336                                                 io->io2.address_length,
4337                                                 "Sony Programmable I/O Device")) {
4338                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4339                                                         io->io2.minimum, io->io2.maximum,
4340                                                         io->io2.address_length);
4341                                         spic_dev.cur_ioport = io;
4342                                         break;
4343                                 }
4344                                 else {
4345                                         dprintk("Unable to get I/O port2: "
4346                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
4347                                                         io->io2.minimum, io->io2.maximum,
4348                                                         io->io2.address_length);
4349                                         release_region(io->io1.minimum,
4350                                                         io->io1.address_length);
4351                                 }
4352                         }
4353                         else {
4354                                 spic_dev.cur_ioport = io;
4355                                 break;
4356                         }
4357                 }
4358         }
4359         if (!spic_dev.cur_ioport) {
4360                 pr_err("Failed to request_region\n");
4361                 result = -ENODEV;
4362                 goto err_remove_compat;
4363         }
4364
4365         /* request IRQ */
4366         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4367                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4368                                         0, "sony-laptop", &spic_dev)) {
4369                         dprintk("IRQ: %d - triggering: %d - "
4370                                         "polarity: %d - shr: %d\n",
4371                                         irq->irq.interrupts[0],
4372                                         irq->irq.triggering,
4373                                         irq->irq.polarity,
4374                                         irq->irq.sharable);
4375                         spic_dev.cur_irq = irq;
4376                         break;
4377                 }
4378         }
4379         if (!spic_dev.cur_irq) {
4380                 pr_err("Failed to request_irq\n");
4381                 result = -ENODEV;
4382                 goto err_release_region;
4383         }
4384
4385         /* set resource status _SRS */
4386         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4387         if (result) {
4388                 pr_err("Couldn't enable device\n");
4389                 goto err_free_irq;
4390         }
4391
4392         spic_dev.bluetooth_power = -1;
4393         /* create device attributes */
4394         result = sony_pf_add();
4395         if (result)
4396                 goto err_disable_device;
4397
4398         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4399         if (result)
4400                 goto err_remove_pf;
4401
4402         return 0;
4403
4404 err_remove_pf:
4405         sony_pf_remove();
4406
4407 err_disable_device:
4408         sony_pic_disable(device);
4409
4410 err_free_irq:
4411         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4412
4413 err_release_region:
4414         release_region(spic_dev.cur_ioport->io1.minimum,
4415                         spic_dev.cur_ioport->io1.address_length);
4416         if (spic_dev.cur_ioport->io2.minimum)
4417                 release_region(spic_dev.cur_ioport->io2.minimum,
4418                                 spic_dev.cur_ioport->io2.address_length);
4419
4420 err_remove_compat:
4421         sonypi_compat_exit();
4422
4423 err_remove_input:
4424         sony_laptop_remove_input();
4425
4426 err_free_resources:
4427         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4428                 list_del(&io->list);
4429                 kfree(io);
4430         }
4431         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4432                 list_del(&irq->list);
4433                 kfree(irq);
4434         }
4435         spic_dev.cur_ioport = NULL;
4436         spic_dev.cur_irq = NULL;
4437
4438         return result;
4439 }
4440
4441 #ifdef CONFIG_PM_SLEEP
4442 static int sony_pic_suspend(struct device *dev)
4443 {
4444         if (sony_pic_disable(to_acpi_device(dev)))
4445                 return -ENXIO;
4446         return 0;
4447 }
4448
4449 static int sony_pic_resume(struct device *dev)
4450 {
4451         sony_pic_enable(to_acpi_device(dev),
4452                         spic_dev.cur_ioport, spic_dev.cur_irq);
4453         return 0;
4454 }
4455 #endif
4456
4457 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4458
4459 static const struct acpi_device_id sony_pic_device_ids[] = {
4460         {SONY_PIC_HID, 0},
4461         {"", 0},
4462 };
4463
4464 static struct acpi_driver sony_pic_driver = {
4465         .name = SONY_PIC_DRIVER_NAME,
4466         .class = SONY_PIC_CLASS,
4467         .ids = sony_pic_device_ids,
4468         .owner = THIS_MODULE,
4469         .ops = {
4470                 .add = sony_pic_add,
4471                 .remove = sony_pic_remove,
4472                 },
4473         .drv.pm = &sony_pic_pm,
4474 };
4475
4476 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4477         {
4478                 .ident = "Sony Vaio",
4479                 .matches = {
4480                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4481                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4482                 },
4483         },
4484         {
4485                 .ident = "Sony Vaio",
4486                 .matches = {
4487                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4488                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4489                 },
4490         },
4491         { }
4492 };
4493
4494 static int __init sony_laptop_init(void)
4495 {
4496         int result;
4497
4498         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4499                 result = acpi_bus_register_driver(&sony_pic_driver);
4500                 if (result) {
4501                         pr_err("Unable to register SPIC driver\n");
4502                         goto out;
4503                 }
4504                 spic_drv_registered = 1;
4505         }
4506
4507         result = acpi_bus_register_driver(&sony_nc_driver);
4508         if (result) {
4509                 pr_err("Unable to register SNC driver\n");
4510                 goto out_unregister_pic;
4511         }
4512
4513         return 0;
4514
4515 out_unregister_pic:
4516         if (spic_drv_registered)
4517                 acpi_bus_unregister_driver(&sony_pic_driver);
4518 out:
4519         return result;
4520 }
4521
4522 static void __exit sony_laptop_exit(void)
4523 {
4524         acpi_bus_unregister_driver(&sony_nc_driver);
4525         if (spic_drv_registered)
4526                 acpi_bus_unregister_driver(&sony_pic_driver);
4527 }
4528
4529 module_init(sony_laptop_init);
4530 module_exit(sony_laptop_exit);