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
1279         acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1280
1281         acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1282                         dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1283 }
1284
1285 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1286                                       void *context, void **return_value)
1287 {
1288         struct acpi_device_info *info;
1289
1290         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1291                 pr_warn("method: name: %4.4s, args %X\n",
1292                         (char *)&info->name, info->param_count);
1293
1294                 kfree(info);
1295         }
1296
1297         return AE_OK;
1298 }
1299
1300 /*
1301  * ACPI device
1302  */
1303 static void sony_nc_function_setup(struct acpi_device *device,
1304                 struct platform_device *pf_device)
1305 {
1306         unsigned int i, result, bitmask, arg;
1307
1308         if (!handles)
1309                 return;
1310
1311         /* setup found handles here */
1312         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1313                 unsigned int handle = handles->cap[i];
1314
1315                 if (!handle)
1316                         continue;
1317
1318                 dprintk("setting up handle 0x%.4x\n", handle);
1319
1320                 switch (handle) {
1321                 case 0x0100:
1322                 case 0x0101:
1323                 case 0x0127:
1324                         /* setup hotkeys */
1325                         sony_call_snc_handle(handle, 0, &result);
1326                         break;
1327                 case 0x0102:
1328                         /* setup hotkeys */
1329                         sony_call_snc_handle(handle, 0x100, &result);
1330                         break;
1331                 case 0x0105:
1332                 case 0x0148:
1333                         /* touchpad enable/disable */
1334                         result = sony_nc_touchpad_setup(pf_device, handle);
1335                         if (result)
1336                                 pr_err("couldn't set up touchpad control function (%d)\n",
1337                                                 result);
1338                         break;
1339                 case 0x0115:
1340                 case 0x0136:
1341                 case 0x013f:
1342                         result = sony_nc_battery_care_setup(pf_device, handle);
1343                         if (result)
1344                                 pr_err("couldn't set up battery care function (%d)\n",
1345                                                 result);
1346                         break;
1347                 case 0x0119:
1348                         result = sony_nc_lid_resume_setup(pf_device);
1349                         if (result)
1350                                 pr_err("couldn't set up lid resume function (%d)\n",
1351                                                 result);
1352                         break;
1353                 case 0x0122:
1354                         result = sony_nc_thermal_setup(pf_device);
1355                         if (result)
1356                                 pr_err("couldn't set up thermal profile function (%d)\n",
1357                                                 result);
1358                         break;
1359                 case 0x0128:
1360                 case 0x0146:
1361                 case 0x015B:
1362                         result = sony_nc_gfx_switch_setup(pf_device, handle);
1363                         if (result)
1364                                 pr_err("couldn't set up GFX Switch status (%d)\n",
1365                                                 result);
1366                         break;
1367                 case 0x0131:
1368                         result = sony_nc_highspeed_charging_setup(pf_device);
1369                         if (result)
1370                                 pr_err("couldn't set up high speed charging function (%d)\n",
1371                                        result);
1372                         break;
1373                 case 0x0124:
1374                 case 0x0135:
1375                         result = sony_nc_rfkill_setup(device, handle);
1376                         if (result)
1377                                 pr_err("couldn't set up rfkill support (%d)\n",
1378                                                 result);
1379                         break;
1380                 case 0x0137:
1381                 case 0x0143:
1382                 case 0x014b:
1383                 case 0x014c:
1384                 case 0x0163:
1385                         result = sony_nc_kbd_backlight_setup(pf_device, handle);
1386                         if (result)
1387                                 pr_err("couldn't set up keyboard backlight function (%d)\n",
1388                                                 result);
1389                         break;
1390                 default:
1391                         continue;
1392                 }
1393         }
1394
1395         /* Enable all events */
1396         arg = 0x10;
1397         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1398                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1399                                 &result);
1400 }
1401
1402 static void sony_nc_function_cleanup(struct platform_device *pd)
1403 {
1404         unsigned int i, result, bitmask, handle;
1405
1406         /* get enabled events and disable them */
1407         sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1408         sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1409
1410         /* cleanup handles here */
1411         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1412
1413                 handle = handles->cap[i];
1414
1415                 if (!handle)
1416                         continue;
1417
1418                 switch (handle) {
1419                 case 0x0105:
1420                 case 0x0148:
1421                         sony_nc_touchpad_cleanup(pd);
1422                         break;
1423                 case 0x0115:
1424                 case 0x0136:
1425                 case 0x013f:
1426                         sony_nc_battery_care_cleanup(pd);
1427                         break;
1428                 case 0x0119:
1429                         sony_nc_lid_resume_cleanup(pd);
1430                         break;
1431                 case 0x0122:
1432                         sony_nc_thermal_cleanup(pd);
1433                         break;
1434                 case 0x0128:
1435                 case 0x0146:
1436                 case 0x015B:
1437                         sony_nc_gfx_switch_cleanup(pd);
1438                         break;
1439                 case 0x0131:
1440                         sony_nc_highspeed_charging_cleanup(pd);
1441                         break;
1442                 case 0x0124:
1443                 case 0x0135:
1444                         sony_nc_rfkill_cleanup();
1445                         break;
1446                 case 0x0137:
1447                 case 0x0143:
1448                 case 0x014b:
1449                 case 0x014c:
1450                 case 0x0163:
1451                         sony_nc_kbd_backlight_cleanup(pd);
1452                         break;
1453                 default:
1454                         continue;
1455                 }
1456         }
1457
1458         /* finally cleanup the handles list */
1459         sony_nc_handles_cleanup(pd);
1460 }
1461
1462 #ifdef CONFIG_PM_SLEEP
1463 static void sony_nc_function_resume(void)
1464 {
1465         unsigned int i, result, bitmask, arg;
1466
1467         dprintk("Resuming SNC device\n");
1468
1469         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1470                 unsigned int handle = handles->cap[i];
1471
1472                 if (!handle)
1473                         continue;
1474
1475                 switch (handle) {
1476                 case 0x0100:
1477                 case 0x0101:
1478                 case 0x0127:
1479                         /* re-enable hotkeys */
1480                         sony_call_snc_handle(handle, 0, &result);
1481                         break;
1482                 case 0x0102:
1483                         /* re-enable hotkeys */
1484                         sony_call_snc_handle(handle, 0x100, &result);
1485                         break;
1486                 case 0x0122:
1487                         sony_nc_thermal_resume();
1488                         break;
1489                 case 0x0124:
1490                 case 0x0135:
1491                         sony_nc_rfkill_update();
1492                         break;
1493                 case 0x0137:
1494                 case 0x0143:
1495                 case 0x014b:
1496                 case 0x014c:
1497                 case 0x0163:
1498                         sony_nc_kbd_backlight_resume();
1499                         break;
1500                 default:
1501                         continue;
1502                 }
1503         }
1504
1505         /* Enable all events */
1506         arg = 0x10;
1507         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1508                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1509                                 &result);
1510 }
1511
1512 static int sony_nc_resume(struct device *dev)
1513 {
1514         struct sony_nc_value *item;
1515         acpi_handle handle;
1516
1517         for (item = sony_nc_values; item->name; item++) {
1518                 int ret;
1519
1520                 if (!item->valid)
1521                         continue;
1522                 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1523                                        &item->value, NULL);
1524                 if (ret < 0) {
1525                         pr_err("%s: %d\n", __func__, ret);
1526                         break;
1527                 }
1528         }
1529
1530         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1531                                          &handle))) {
1532                 int arg = 1;
1533                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1534                         dprintk("ECON Method failed\n");
1535         }
1536
1537         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1538                                          &handle)))
1539                 sony_nc_function_resume();
1540
1541         return 0;
1542 }
1543 #endif
1544
1545 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1546
1547 static void sony_nc_rfkill_cleanup(void)
1548 {
1549         int i;
1550
1551         for (i = 0; i < N_SONY_RFKILL; i++) {
1552                 if (sony_rfkill_devices[i]) {
1553                         rfkill_unregister(sony_rfkill_devices[i]);
1554                         rfkill_destroy(sony_rfkill_devices[i]);
1555                 }
1556         }
1557 }
1558
1559 static int sony_nc_rfkill_set(void *data, bool blocked)
1560 {
1561         int result;
1562         int argument = sony_rfkill_address[(long) data] + 0x100;
1563
1564         if (!blocked)
1565                 argument |= 0x070000;
1566
1567         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1568 }
1569
1570 static const struct rfkill_ops sony_rfkill_ops = {
1571         .set_block = sony_nc_rfkill_set,
1572 };
1573
1574 static int sony_nc_setup_rfkill(struct acpi_device *device,
1575                                 enum sony_nc_rfkill nc_type)
1576 {
1577         int err = 0;
1578         struct rfkill *rfk;
1579         enum rfkill_type type;
1580         const char *name;
1581         int result;
1582         bool hwblock, swblock;
1583
1584         switch (nc_type) {
1585         case SONY_WIFI:
1586                 type = RFKILL_TYPE_WLAN;
1587                 name = "sony-wifi";
1588                 break;
1589         case SONY_BLUETOOTH:
1590                 type = RFKILL_TYPE_BLUETOOTH;
1591                 name = "sony-bluetooth";
1592                 break;
1593         case SONY_WWAN:
1594                 type = RFKILL_TYPE_WWAN;
1595                 name = "sony-wwan";
1596                 break;
1597         case SONY_WIMAX:
1598                 type = RFKILL_TYPE_WIMAX;
1599                 name = "sony-wimax";
1600                 break;
1601         default:
1602                 return -EINVAL;
1603         }
1604
1605         rfk = rfkill_alloc(name, &device->dev, type,
1606                            &sony_rfkill_ops, (void *)nc_type);
1607         if (!rfk)
1608                 return -ENOMEM;
1609
1610         if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1611                 rfkill_destroy(rfk);
1612                 return -1;
1613         }
1614         hwblock = !(result & 0x1);
1615
1616         if (sony_call_snc_handle(sony_rfkill_handle,
1617                                 sony_rfkill_address[nc_type],
1618                                 &result) < 0) {
1619                 rfkill_destroy(rfk);
1620                 return -1;
1621         }
1622         swblock = !(result & 0x2);
1623
1624         rfkill_init_sw_state(rfk, swblock);
1625         rfkill_set_hw_state(rfk, hwblock);
1626
1627         err = rfkill_register(rfk);
1628         if (err) {
1629                 rfkill_destroy(rfk);
1630                 return err;
1631         }
1632         sony_rfkill_devices[nc_type] = rfk;
1633         return err;
1634 }
1635
1636 static void sony_nc_rfkill_update(void)
1637 {
1638         enum sony_nc_rfkill i;
1639         int result;
1640         bool hwblock;
1641
1642         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1643         hwblock = !(result & 0x1);
1644
1645         for (i = 0; i < N_SONY_RFKILL; i++) {
1646                 int argument = sony_rfkill_address[i];
1647
1648                 if (!sony_rfkill_devices[i])
1649                         continue;
1650
1651                 if (hwblock) {
1652                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1653                                 /* we already know we're blocked */
1654                         }
1655                         continue;
1656                 }
1657
1658                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1659                 rfkill_set_states(sony_rfkill_devices[i],
1660                                   !(result & 0x2), false);
1661         }
1662 }
1663
1664 static int sony_nc_rfkill_setup(struct acpi_device *device,
1665                 unsigned int handle)
1666 {
1667         u64 offset;
1668         int i;
1669         unsigned char buffer[32] = { 0 };
1670
1671         offset = sony_find_snc_handle(handle);
1672         sony_rfkill_handle = handle;
1673
1674         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1675                         32);
1676         if (i < 0)
1677                 return i;
1678
1679         /* The buffer is filled with magic numbers describing the devices
1680          * available, 0xff terminates the enumeration.
1681          * Known codes:
1682          *      0x00 WLAN
1683          *      0x10 BLUETOOTH
1684          *      0x20 WWAN GPRS-EDGE
1685          *      0x21 WWAN HSDPA
1686          *      0x22 WWAN EV-DO
1687          *      0x23 WWAN GPS
1688          *      0x25 Gobi WWAN no GPS
1689          *      0x26 Gobi WWAN + GPS
1690          *      0x28 Gobi WWAN no GPS
1691          *      0x29 Gobi WWAN + GPS
1692          *      0x30 WIMAX
1693          *      0x50 Gobi WWAN no GPS
1694          *      0x51 Gobi WWAN + GPS
1695          *      0x70 no SIM card slot
1696          *      0x71 SIM card slot
1697          */
1698         for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1699
1700                 if (buffer[i] == 0xff)
1701                         break;
1702
1703                 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1704
1705                 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1706                         sony_nc_setup_rfkill(device, SONY_WIFI);
1707
1708                 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1709                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1710
1711                 if (((0xf0 & buffer[i]) == 0x20 ||
1712                                         (0xf0 & buffer[i]) == 0x50) &&
1713                                 !sony_rfkill_devices[SONY_WWAN])
1714                         sony_nc_setup_rfkill(device, SONY_WWAN);
1715
1716                 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1717                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1718         }
1719         return 0;
1720 }
1721
1722 /* Keyboard backlight feature */
1723 struct kbd_backlight {
1724         unsigned int handle;
1725         unsigned int base;
1726         unsigned int mode;
1727         unsigned int timeout;
1728         struct device_attribute mode_attr;
1729         struct device_attribute timeout_attr;
1730 };
1731
1732 static struct kbd_backlight *kbdbl_ctl;
1733
1734 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1735 {
1736         int result;
1737
1738         if (value > 1)
1739                 return -EINVAL;
1740
1741         if (sony_call_snc_handle(kbdbl_ctl->handle,
1742                                 (value << 0x10) | (kbdbl_ctl->base), &result))
1743                 return -EIO;
1744
1745         /* Try to turn the light on/off immediately */
1746         sony_call_snc_handle(kbdbl_ctl->handle,
1747                         (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1748
1749         kbdbl_ctl->mode = value;
1750
1751         return 0;
1752 }
1753
1754 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1755                 struct device_attribute *attr,
1756                 const char *buffer, size_t count)
1757 {
1758         int ret = 0;
1759         unsigned long value;
1760
1761         if (count > 31)
1762                 return -EINVAL;
1763
1764         if (kstrtoul(buffer, 10, &value))
1765                 return -EINVAL;
1766
1767         ret = __sony_nc_kbd_backlight_mode_set(value);
1768         if (ret < 0)
1769                 return ret;
1770
1771         return count;
1772 }
1773
1774 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1775                 struct device_attribute *attr, char *buffer)
1776 {
1777         ssize_t count = 0;
1778         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1779         return count;
1780 }
1781
1782 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1783 {
1784         int result;
1785
1786         if (value > 3)
1787                 return -EINVAL;
1788
1789         if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1790                                 (kbdbl_ctl->base + 0x200), &result))
1791                 return -EIO;
1792
1793         kbdbl_ctl->timeout = value;
1794
1795         return 0;
1796 }
1797
1798 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1799                 struct device_attribute *attr,
1800                 const char *buffer, size_t count)
1801 {
1802         int ret = 0;
1803         unsigned long value;
1804
1805         if (count > 31)
1806                 return -EINVAL;
1807
1808         if (kstrtoul(buffer, 10, &value))
1809                 return -EINVAL;
1810
1811         ret = __sony_nc_kbd_backlight_timeout_set(value);
1812         if (ret < 0)
1813                 return ret;
1814
1815         return count;
1816 }
1817
1818 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1819                 struct device_attribute *attr, char *buffer)
1820 {
1821         ssize_t count = 0;
1822         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1823         return count;
1824 }
1825
1826 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1827                 unsigned int handle)
1828 {
1829         int result;
1830         int ret = 0;
1831
1832         /* verify the kbd backlight presence, these handles are not used for
1833          * keyboard backlight only
1834          */
1835         ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1836                         &result);
1837         if (ret)
1838                 return ret;
1839
1840         if ((handle == 0x0137 && !(result & 0x02)) ||
1841                         !(result & 0x01)) {
1842                 dprintk("no backlight keyboard found\n");
1843                 return 0;
1844         }
1845
1846         kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1847         if (!kbdbl_ctl)
1848                 return -ENOMEM;
1849
1850         kbdbl_ctl->handle = handle;
1851         if (handle == 0x0137)
1852                 kbdbl_ctl->base = 0x0C00;
1853         else
1854                 kbdbl_ctl->base = 0x4000;
1855
1856         sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1857         kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1858         kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1859         kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1860         kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1861
1862         sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1863         kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1864         kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1865         kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1866         kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1867
1868         ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1869         if (ret)
1870                 goto outkzalloc;
1871
1872         ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1873         if (ret)
1874                 goto outmode;
1875
1876         __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1877         __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1878
1879         return 0;
1880
1881 outmode:
1882         device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1883 outkzalloc:
1884         kfree(kbdbl_ctl);
1885         kbdbl_ctl = NULL;
1886         return ret;
1887 }
1888
1889 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1890 {
1891         if (kbdbl_ctl) {
1892                 int result;
1893
1894                 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1895                 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1896
1897                 /* restore the default hw behaviour */
1898                 sony_call_snc_handle(kbdbl_ctl->handle,
1899                                 kbdbl_ctl->base | 0x10000, &result);
1900                 sony_call_snc_handle(kbdbl_ctl->handle,
1901                                 kbdbl_ctl->base + 0x200, &result);
1902
1903                 kfree(kbdbl_ctl);
1904                 kbdbl_ctl = NULL;
1905         }
1906 }
1907
1908 #ifdef CONFIG_PM_SLEEP
1909 static void sony_nc_kbd_backlight_resume(void)
1910 {
1911         int ignore = 0;
1912
1913         if (!kbdbl_ctl)
1914                 return;
1915
1916         if (kbdbl_ctl->mode == 0)
1917                 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1918                                 &ignore);
1919
1920         if (kbdbl_ctl->timeout != 0)
1921                 sony_call_snc_handle(kbdbl_ctl->handle,
1922                                 (kbdbl_ctl->base + 0x200) |
1923                                 (kbdbl_ctl->timeout << 0x10), &ignore);
1924 }
1925 #endif
1926
1927 struct battery_care_control {
1928         struct device_attribute attrs[2];
1929         unsigned int handle;
1930 };
1931 static struct battery_care_control *bcare_ctl;
1932
1933 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1934                 struct device_attribute *attr,
1935                 const char *buffer, size_t count)
1936 {
1937         unsigned int result, cmd;
1938         unsigned long value;
1939
1940         if (count > 31)
1941                 return -EINVAL;
1942
1943         if (kstrtoul(buffer, 10, &value))
1944                 return -EINVAL;
1945
1946         /*  limit values (2 bits):
1947          *  00 - none
1948          *  01 - 80%
1949          *  10 - 50%
1950          *  11 - 100%
1951          *
1952          *  bit 0: 0 disable BCL, 1 enable BCL
1953          *  bit 1: 1 tell to store the battery limit (see bits 6,7) too
1954          *  bits 2,3: reserved
1955          *  bits 4,5: store the limit into the EC
1956          *  bits 6,7: store the limit into the battery
1957          */
1958         cmd = 0;
1959
1960         if (value > 0) {
1961                 if (value <= 50)
1962                         cmd = 0x20;
1963
1964                 else if (value <= 80)
1965                         cmd = 0x10;
1966
1967                 else if (value <= 100)
1968                         cmd = 0x30;
1969
1970                 else
1971                         return -EINVAL;
1972
1973                 /*
1974                  * handle 0x0115 should allow storing on battery too;
1975                  * handle 0x0136 same as 0x0115 + health status;
1976                  * handle 0x013f, same as 0x0136 but no storing on the battery
1977                  */
1978                 if (bcare_ctl->handle != 0x013f)
1979                         cmd = cmd | (cmd << 2);
1980
1981                 cmd = (cmd | 0x1) << 0x10;
1982         }
1983
1984         if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1985                 return -EIO;
1986
1987         return count;
1988 }
1989
1990 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1991                 struct device_attribute *attr, char *buffer)
1992 {
1993         unsigned int result, status;
1994
1995         if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1996                 return -EIO;
1997
1998         status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1999         switch (status) {
2000         case 1:
2001                 status = 80;
2002                 break;
2003         case 2:
2004                 status = 50;
2005                 break;
2006         case 3:
2007                 status = 100;
2008                 break;
2009         default:
2010                 status = 0;
2011                 break;
2012         }
2013
2014         return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2015 }
2016
2017 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2018                 struct device_attribute *attr, char *buffer)
2019 {
2020         ssize_t count = 0;
2021         unsigned int health;
2022
2023         if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2024                 return -EIO;
2025
2026         count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2027
2028         return count;
2029 }
2030
2031 static int sony_nc_battery_care_setup(struct platform_device *pd,
2032                 unsigned int handle)
2033 {
2034         int ret = 0;
2035
2036         bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2037         if (!bcare_ctl)
2038                 return -ENOMEM;
2039
2040         bcare_ctl->handle = handle;
2041
2042         sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2043         bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2044         bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2045         bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2046         bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2047
2048         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2049         if (ret)
2050                 goto outkzalloc;
2051
2052         /* 0x0115 is for models with no health reporting capability */
2053         if (handle == 0x0115)
2054                 return 0;
2055
2056         sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2057         bcare_ctl->attrs[1].attr.name = "battery_care_health";
2058         bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2059         bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2060
2061         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2062         if (ret)
2063                 goto outlimiter;
2064
2065         return 0;
2066
2067 outlimiter:
2068         device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2069
2070 outkzalloc:
2071         kfree(bcare_ctl);
2072         bcare_ctl = NULL;
2073
2074         return ret;
2075 }
2076
2077 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2078 {
2079         if (bcare_ctl) {
2080                 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2081                 if (bcare_ctl->handle != 0x0115)
2082                         device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2083
2084                 kfree(bcare_ctl);
2085                 bcare_ctl = NULL;
2086         }
2087 }
2088
2089 struct snc_thermal_ctrl {
2090         unsigned int mode;
2091         unsigned int profiles;
2092         struct device_attribute mode_attr;
2093         struct device_attribute profiles_attr;
2094 };
2095 static struct snc_thermal_ctrl *th_handle;
2096
2097 #define THM_PROFILE_MAX 3
2098 static const char * const snc_thermal_profiles[] = {
2099         "balanced",
2100         "silent",
2101         "performance"
2102 };
2103
2104 static int sony_nc_thermal_mode_set(unsigned short mode)
2105 {
2106         unsigned int result;
2107
2108         /* the thermal profile seems to be a two bit bitmask:
2109          * lsb -> silent
2110          * msb -> performance
2111          * no bit set is the normal operation and is always valid
2112          * Some vaio models only have "balanced" and "performance"
2113          */
2114         if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2115                 return -EINVAL;
2116
2117         if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2118                 return -EIO;
2119
2120         th_handle->mode = mode;
2121
2122         return 0;
2123 }
2124
2125 static int sony_nc_thermal_mode_get(void)
2126 {
2127         unsigned int result;
2128
2129         if (sony_call_snc_handle(0x0122, 0x0100, &result))
2130                 return -EIO;
2131
2132         return result & 0xff;
2133 }
2134
2135 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2136                 struct device_attribute *attr, char *buffer)
2137 {
2138         short cnt;
2139         size_t idx = 0;
2140
2141         for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2142                 if (!cnt || (th_handle->profiles & cnt))
2143                         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2144                                         snc_thermal_profiles[cnt]);
2145         }
2146         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2147
2148         return idx;
2149 }
2150
2151 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2152                 struct device_attribute *attr,
2153                 const char *buffer, size_t count)
2154 {
2155         unsigned short cmd;
2156         size_t len = count;
2157
2158         if (count == 0)
2159                 return -EINVAL;
2160
2161         /* skip the newline if present */
2162         if (buffer[len - 1] == '\n')
2163                 len--;
2164
2165         for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2166                 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2167                         break;
2168
2169         if (sony_nc_thermal_mode_set(cmd))
2170                 return -EIO;
2171
2172         return count;
2173 }
2174
2175 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2176                 struct device_attribute *attr, char *buffer)
2177 {
2178         ssize_t count = 0;
2179         int mode = sony_nc_thermal_mode_get();
2180
2181         if (mode < 0)
2182                 return mode;
2183
2184         count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2185
2186         return count;
2187 }
2188
2189 static int sony_nc_thermal_setup(struct platform_device *pd)
2190 {
2191         int ret = 0;
2192         th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2193         if (!th_handle)
2194                 return -ENOMEM;
2195
2196         ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2197         if (ret) {
2198                 pr_warn("couldn't to read the thermal profiles\n");
2199                 goto outkzalloc;
2200         }
2201
2202         ret = sony_nc_thermal_mode_get();
2203         if (ret < 0) {
2204                 pr_warn("couldn't to read the current thermal profile");
2205                 goto outkzalloc;
2206         }
2207         th_handle->mode = ret;
2208
2209         sysfs_attr_init(&th_handle->profiles_attr.attr);
2210         th_handle->profiles_attr.attr.name = "thermal_profiles";
2211         th_handle->profiles_attr.attr.mode = S_IRUGO;
2212         th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2213
2214         sysfs_attr_init(&th_handle->mode_attr.attr);
2215         th_handle->mode_attr.attr.name = "thermal_control";
2216         th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2217         th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2218         th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2219
2220         ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2221         if (ret)
2222                 goto outkzalloc;
2223
2224         ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2225         if (ret)
2226                 goto outprofiles;
2227
2228         return 0;
2229
2230 outprofiles:
2231         device_remove_file(&pd->dev, &th_handle->profiles_attr);
2232 outkzalloc:
2233         kfree(th_handle);
2234         th_handle = NULL;
2235         return ret;
2236 }
2237
2238 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2239 {
2240         if (th_handle) {
2241                 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2242                 device_remove_file(&pd->dev, &th_handle->mode_attr);
2243                 kfree(th_handle);
2244                 th_handle = NULL;
2245         }
2246 }
2247
2248 #ifdef CONFIG_PM_SLEEP
2249 static void sony_nc_thermal_resume(void)
2250 {
2251         unsigned int status = sony_nc_thermal_mode_get();
2252
2253         if (status != th_handle->mode)
2254                 sony_nc_thermal_mode_set(th_handle->mode);
2255 }
2256 #endif
2257
2258 /* resume on LID open */
2259 struct snc_lid_resume_control {
2260         struct device_attribute attrs[3];
2261         unsigned int status;
2262 };
2263 static struct snc_lid_resume_control *lid_ctl;
2264
2265 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2266                                         struct device_attribute *attr,
2267                                         const char *buffer, size_t count)
2268 {
2269         unsigned int result, pos;
2270         unsigned long value;
2271         if (count > 31)
2272                 return -EINVAL;
2273
2274         if (kstrtoul(buffer, 10, &value) || value > 1)
2275                 return -EINVAL;
2276
2277         /* the value we have to write to SNC is a bitmask:
2278          * +--------------+
2279          * | S3 | S4 | S5 |
2280          * +--------------+
2281          *   2    1    0
2282          */
2283         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2284                 pos = 2;
2285         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2286                 pos = 1;
2287         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2288                 pos = 0;
2289         else
2290                return -EINVAL;
2291
2292         if (value)
2293                 value = lid_ctl->status | (1 << pos);
2294         else
2295                 value = lid_ctl->status & ~(1 << pos);
2296
2297         if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2298                 return -EIO;
2299
2300         lid_ctl->status = value;
2301
2302         return count;
2303 }
2304
2305 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2306                                        struct device_attribute *attr, char *buffer)
2307 {
2308         unsigned int pos;
2309
2310         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2311                 pos = 2;
2312         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2313                 pos = 1;
2314         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2315                 pos = 0;
2316         else
2317                 return -EINVAL;
2318
2319         return snprintf(buffer, PAGE_SIZE, "%d\n",
2320                         (lid_ctl->status >> pos) & 0x01);
2321 }
2322
2323 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2324 {
2325         unsigned int result;
2326         int i;
2327
2328         if (sony_call_snc_handle(0x0119, 0x0000, &result))
2329                 return -EIO;
2330
2331         lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2332         if (!lid_ctl)
2333                 return -ENOMEM;
2334
2335         lid_ctl->status = result & 0x7;
2336
2337         sysfs_attr_init(&lid_ctl->attrs[0].attr);
2338         lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2339         lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2340         lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2341         lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2342
2343         sysfs_attr_init(&lid_ctl->attrs[1].attr);
2344         lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2345         lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2346         lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2347         lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2348
2349         sysfs_attr_init(&lid_ctl->attrs[2].attr);
2350         lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2351         lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2352         lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2353         lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2354
2355         for (i = 0; i < 3; i++) {
2356                 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2357                 if (result)
2358                         goto liderror;
2359         }
2360
2361         return 0;
2362
2363 liderror:
2364         for (i--; i >= 0; i--)
2365                 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2366
2367         kfree(lid_ctl);
2368         lid_ctl = NULL;
2369
2370         return result;
2371 }
2372
2373 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2374 {
2375         int i;
2376
2377         if (lid_ctl) {
2378                 for (i = 0; i < 3; i++)
2379                         device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2380
2381                 kfree(lid_ctl);
2382                 lid_ctl = NULL;
2383         }
2384 }
2385
2386 /* GFX Switch position */
2387 enum gfx_switch {
2388         SPEED,
2389         STAMINA,
2390         AUTO
2391 };
2392 struct snc_gfx_switch_control {
2393         struct device_attribute attr;
2394         unsigned int handle;
2395 };
2396 static struct snc_gfx_switch_control *gfxs_ctl;
2397
2398 /* returns 0 for speed, 1 for stamina */
2399 static int __sony_nc_gfx_switch_status_get(void)
2400 {
2401         unsigned int result;
2402
2403         if (sony_call_snc_handle(gfxs_ctl->handle,
2404                                 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2405                                 &result))
2406                 return -EIO;
2407
2408         switch (gfxs_ctl->handle) {
2409         case 0x0146:
2410                 /* 1: discrete GFX (speed)
2411                  * 0: integrated GFX (stamina)
2412                  */
2413                 return result & 0x1 ? SPEED : STAMINA;
2414                 break;
2415         case 0x015B:
2416                 /* 0: discrete GFX (speed)
2417                  * 1: integrated GFX (stamina)
2418                  */
2419                 return result & 0x1 ? STAMINA : SPEED;
2420                 break;
2421         case 0x0128:
2422                 /* it's a more elaborated bitmask, for now:
2423                  * 2: integrated GFX (stamina)
2424                  * 0: discrete GFX (speed)
2425                  */
2426                 dprintk("GFX Status: 0x%x\n", result);
2427                 return result & 0x80 ? AUTO :
2428                         result & 0x02 ? STAMINA : SPEED;
2429                 break;
2430         }
2431         return -EINVAL;
2432 }
2433
2434 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2435                                        struct device_attribute *attr,
2436                                        char *buffer)
2437 {
2438         int pos = __sony_nc_gfx_switch_status_get();
2439
2440         if (pos < 0)
2441                 return pos;
2442
2443         return snprintf(buffer, PAGE_SIZE, "%s\n",
2444                                         pos == SPEED ? "speed" :
2445                                         pos == STAMINA ? "stamina" :
2446                                         pos == AUTO ? "auto" : "unknown");
2447 }
2448
2449 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2450                 unsigned int handle)
2451 {
2452         unsigned int result;
2453
2454         gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2455         if (!gfxs_ctl)
2456                 return -ENOMEM;
2457
2458         gfxs_ctl->handle = handle;
2459
2460         sysfs_attr_init(&gfxs_ctl->attr.attr);
2461         gfxs_ctl->attr.attr.name = "gfx_switch_status";
2462         gfxs_ctl->attr.attr.mode = S_IRUGO;
2463         gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2464
2465         result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2466         if (result)
2467                 goto gfxerror;
2468
2469         return 0;
2470
2471 gfxerror:
2472         kfree(gfxs_ctl);
2473         gfxs_ctl = NULL;
2474
2475         return result;
2476 }
2477
2478 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2479 {
2480         if (gfxs_ctl) {
2481                 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2482
2483                 kfree(gfxs_ctl);
2484                 gfxs_ctl = NULL;
2485         }
2486 }
2487
2488 /* High speed charging function */
2489 static struct device_attribute *hsc_handle;
2490
2491 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2492                 struct device_attribute *attr,
2493                 const char *buffer, size_t count)
2494 {
2495         unsigned int result;
2496         unsigned long value;
2497
2498         if (count > 31)
2499                 return -EINVAL;
2500
2501         if (kstrtoul(buffer, 10, &value) || value > 1)
2502                 return -EINVAL;
2503
2504         if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2505                 return -EIO;
2506
2507         return count;
2508 }
2509
2510 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2511                 struct device_attribute *attr, char *buffer)
2512 {
2513         unsigned int result;
2514
2515         if (sony_call_snc_handle(0x0131, 0x0100, &result))
2516                 return -EIO;
2517
2518         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2519 }
2520
2521 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2522 {
2523         unsigned int result;
2524
2525         if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2526                 /* some models advertise the handle but have no implementation
2527                  * for it
2528                  */
2529                 pr_info("No High Speed Charging capability found\n");
2530                 return 0;
2531         }
2532
2533         hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2534         if (!hsc_handle)
2535                 return -ENOMEM;
2536
2537         sysfs_attr_init(&hsc_handle->attr);
2538         hsc_handle->attr.name = "battery_highspeed_charging";
2539         hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2540         hsc_handle->show = sony_nc_highspeed_charging_show;
2541         hsc_handle->store = sony_nc_highspeed_charging_store;
2542
2543         result = device_create_file(&pd->dev, hsc_handle);
2544         if (result) {
2545                 kfree(hsc_handle);
2546                 hsc_handle = NULL;
2547                 return result;
2548         }
2549
2550         return 0;
2551 }
2552
2553 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2554 {
2555         if (hsc_handle) {
2556                 device_remove_file(&pd->dev, hsc_handle);
2557                 kfree(hsc_handle);
2558                 hsc_handle = NULL;
2559         }
2560 }
2561
2562 /* Touchpad enable/disable */
2563 struct touchpad_control {
2564         struct device_attribute attr;
2565         int handle;
2566 };
2567 static struct touchpad_control *tp_ctl;
2568
2569 static ssize_t sony_nc_touchpad_store(struct device *dev,
2570                 struct device_attribute *attr, const char *buffer, size_t count)
2571 {
2572         unsigned int result;
2573         unsigned long value;
2574
2575         if (count > 31)
2576                 return -EINVAL;
2577
2578         if (kstrtoul(buffer, 10, &value) || value > 1)
2579                 return -EINVAL;
2580
2581         /* sysfs: 0 disabled, 1 enabled
2582          * EC: 0 enabled, 1 disabled
2583          */
2584         if (sony_call_snc_handle(tp_ctl->handle,
2585                                 (!value << 0x10) | 0x100, &result))
2586                 return -EIO;
2587
2588         return count;
2589 }
2590
2591 static ssize_t sony_nc_touchpad_show(struct device *dev,
2592                 struct device_attribute *attr, char *buffer)
2593 {
2594         unsigned int result;
2595
2596         if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2597                 return -EINVAL;
2598
2599         return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2600 }
2601
2602 static int sony_nc_touchpad_setup(struct platform_device *pd,
2603                 unsigned int handle)
2604 {
2605         int ret = 0;
2606
2607         tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2608         if (!tp_ctl)
2609                 return -ENOMEM;
2610
2611         tp_ctl->handle = handle;
2612
2613         sysfs_attr_init(&tp_ctl->attr.attr);
2614         tp_ctl->attr.attr.name = "touchpad";
2615         tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2616         tp_ctl->attr.show = sony_nc_touchpad_show;
2617         tp_ctl->attr.store = sony_nc_touchpad_store;
2618
2619         ret = device_create_file(&pd->dev, &tp_ctl->attr);
2620         if (ret) {
2621                 kfree(tp_ctl);
2622                 tp_ctl = NULL;
2623         }
2624
2625         return ret;
2626 }
2627
2628 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2629 {
2630         if (tp_ctl) {
2631                 device_remove_file(&pd->dev, &tp_ctl->attr);
2632                 kfree(tp_ctl);
2633                 tp_ctl = NULL;
2634         }
2635 }
2636
2637 static void sony_nc_backlight_ng_read_limits(int handle,
2638                 struct sony_backlight_props *props)
2639 {
2640         u64 offset;
2641         int i;
2642         int lvl_table_len = 0;
2643         u8 min = 0xff, max = 0x00;
2644         unsigned char buffer[32] = { 0 };
2645
2646         props->handle = handle;
2647         props->offset = 0;
2648         props->maxlvl = 0xff;
2649
2650         offset = sony_find_snc_handle(handle);
2651
2652         /* try to read the boundaries from ACPI tables, if we fail the above
2653          * defaults should be reasonable
2654          */
2655         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2656                         32);
2657         if (i < 0)
2658                 return;
2659
2660         switch (handle) {
2661         case 0x012f:
2662         case 0x0137:
2663                 lvl_table_len = 9;
2664                 break;
2665         case 0x143:
2666         case 0x14b:
2667         case 0x14c:
2668                 lvl_table_len = 16;
2669                 break;
2670         }
2671
2672         /* the buffer lists brightness levels available, brightness levels are
2673          * from position 0 to 8 in the array, other values are used by ALS
2674          * control.
2675          */
2676         for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2677
2678                 dprintk("Brightness level: %d\n", buffer[i]);
2679
2680                 if (!buffer[i])
2681                         break;
2682
2683                 if (buffer[i] > max)
2684                         max = buffer[i];
2685                 if (buffer[i] < min)
2686                         min = buffer[i];
2687         }
2688         props->offset = min;
2689         props->maxlvl = max;
2690         dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2691                         props->maxlvl);
2692 }
2693
2694 static void sony_nc_backlight_setup(void)
2695 {
2696         acpi_handle unused;
2697         int max_brightness = 0;
2698         const struct backlight_ops *ops = NULL;
2699         struct backlight_properties props;
2700
2701         if (sony_find_snc_handle(0x12f) >= 0) {
2702                 ops = &sony_backlight_ng_ops;
2703                 sony_bl_props.cmd_base = 0x0100;
2704                 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2705                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2706
2707         } else if (sony_find_snc_handle(0x137) >= 0) {
2708                 ops = &sony_backlight_ng_ops;
2709                 sony_bl_props.cmd_base = 0x0100;
2710                 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2711                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2712
2713         } else if (sony_find_snc_handle(0x143) >= 0) {
2714                 ops = &sony_backlight_ng_ops;
2715                 sony_bl_props.cmd_base = 0x3000;
2716                 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2717                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2718
2719         } else if (sony_find_snc_handle(0x14b) >= 0) {
2720                 ops = &sony_backlight_ng_ops;
2721                 sony_bl_props.cmd_base = 0x3000;
2722                 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2723                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2724
2725         } else if (sony_find_snc_handle(0x14c) >= 0) {
2726                 ops = &sony_backlight_ng_ops;
2727                 sony_bl_props.cmd_base = 0x3000;
2728                 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2729                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2730
2731         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2732                                                 &unused))) {
2733                 ops = &sony_backlight_ops;
2734                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2735
2736         } else
2737                 return;
2738
2739         memset(&props, 0, sizeof(struct backlight_properties));
2740         props.type = BACKLIGHT_PLATFORM;
2741         props.max_brightness = max_brightness;
2742         sony_bl_props.dev = backlight_device_register("sony", NULL,
2743                                                       &sony_bl_props,
2744                                                       ops, &props);
2745
2746         if (IS_ERR(sony_bl_props.dev)) {
2747                 pr_warn("unable to register backlight device\n");
2748                 sony_bl_props.dev = NULL;
2749         } else
2750                 sony_bl_props.dev->props.brightness =
2751                         ops->get_brightness(sony_bl_props.dev);
2752 }
2753
2754 static void sony_nc_backlight_cleanup(void)
2755 {
2756         if (sony_bl_props.dev)
2757                 backlight_device_unregister(sony_bl_props.dev);
2758 }
2759
2760 static int sony_nc_add(struct acpi_device *device)
2761 {
2762         acpi_status status;
2763         int result = 0;
2764         acpi_handle handle;
2765         struct sony_nc_value *item;
2766
2767         pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2768
2769         sony_nc_acpi_device = device;
2770         strcpy(acpi_device_class(device), "sony/hotkey");
2771
2772         sony_nc_acpi_handle = device->handle;
2773
2774         /* read device status */
2775         result = acpi_bus_get_status(device);
2776         /* bail IFF the above call was successful and the device is not present */
2777         if (!result && !device->status.present) {
2778                 dprintk("Device not present\n");
2779                 result = -ENODEV;
2780                 goto outwalk;
2781         }
2782
2783         result = sony_pf_add();
2784         if (result)
2785                 goto outpresent;
2786
2787         if (debug) {
2788                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2789                                 sony_nc_acpi_handle, 1, sony_walk_callback,
2790                                 NULL, NULL, NULL);
2791                 if (ACPI_FAILURE(status)) {
2792                         pr_warn("unable to walk acpi resources\n");
2793                         result = -ENODEV;
2794                         goto outpresent;
2795                 }
2796         }
2797
2798         result = sony_laptop_setup_input(device);
2799         if (result) {
2800                 pr_err("Unable to create input devices\n");
2801                 goto outplatform;
2802         }
2803
2804         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2805                                          &handle))) {
2806                 int arg = 1;
2807                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2808                         dprintk("ECON Method failed\n");
2809         }
2810
2811         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2812                                          &handle))) {
2813                 dprintk("Doing SNC setup\n");
2814                 /* retrieve the available handles */
2815                 result = sony_nc_handles_setup(sony_pf_device);
2816                 if (!result)
2817                         sony_nc_function_setup(device, sony_pf_device);
2818         }
2819
2820         /* setup input devices and helper fifo */
2821         if (acpi_video_backlight_support()) {
2822                 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2823         } else {
2824                 sony_nc_backlight_setup();
2825         }
2826
2827         /* create sony_pf sysfs attributes related to the SNC device */
2828         for (item = sony_nc_values; item->name; ++item) {
2829
2830                 if (!debug && item->debug)
2831                         continue;
2832
2833                 /* find the available acpiget as described in the DSDT */
2834                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2835                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2836                                                          *item->acpiget,
2837                                                          &handle))) {
2838                                 dprintk("Found %s getter: %s\n",
2839                                                 item->name, *item->acpiget);
2840                                 item->devattr.attr.mode |= S_IRUGO;
2841                                 break;
2842                         }
2843                 }
2844
2845                 /* find the available acpiset as described in the DSDT */
2846                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2847                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2848                                                          *item->acpiset,
2849                                                          &handle))) {
2850                                 dprintk("Found %s setter: %s\n",
2851                                                 item->name, *item->acpiset);
2852                                 item->devattr.attr.mode |= S_IWUSR;
2853                                 break;
2854                         }
2855                 }
2856
2857                 if (item->devattr.attr.mode != 0) {
2858                         result =
2859                             device_create_file(&sony_pf_device->dev,
2860                                                &item->devattr);
2861                         if (result)
2862                                 goto out_sysfs;
2863                 }
2864         }
2865
2866         return 0;
2867
2868 out_sysfs:
2869         for (item = sony_nc_values; item->name; ++item) {
2870                 device_remove_file(&sony_pf_device->dev, &item->devattr);
2871         }
2872         sony_nc_backlight_cleanup();
2873         sony_nc_function_cleanup(sony_pf_device);
2874         sony_nc_handles_cleanup(sony_pf_device);
2875
2876 outplatform:
2877         sony_laptop_remove_input();
2878
2879 outpresent:
2880         sony_pf_remove();
2881
2882 outwalk:
2883         sony_nc_rfkill_cleanup();
2884         return result;
2885 }
2886
2887 static int sony_nc_remove(struct acpi_device *device)
2888 {
2889         struct sony_nc_value *item;
2890
2891         sony_nc_backlight_cleanup();
2892
2893         sony_nc_acpi_device = NULL;
2894
2895         for (item = sony_nc_values; item->name; ++item) {
2896                 device_remove_file(&sony_pf_device->dev, &item->devattr);
2897         }
2898
2899         sony_nc_function_cleanup(sony_pf_device);
2900         sony_nc_handles_cleanup(sony_pf_device);
2901         sony_pf_remove();
2902         sony_laptop_remove_input();
2903         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2904
2905         return 0;
2906 }
2907
2908 static const struct acpi_device_id sony_device_ids[] = {
2909         {SONY_NC_HID, 0},
2910         {SONY_PIC_HID, 0},
2911         {"", 0},
2912 };
2913 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2914
2915 static const struct acpi_device_id sony_nc_device_ids[] = {
2916         {SONY_NC_HID, 0},
2917         {"", 0},
2918 };
2919
2920 static struct acpi_driver sony_nc_driver = {
2921         .name = SONY_NC_DRIVER_NAME,
2922         .class = SONY_NC_CLASS,
2923         .ids = sony_nc_device_ids,
2924         .owner = THIS_MODULE,
2925         .ops = {
2926                 .add = sony_nc_add,
2927                 .remove = sony_nc_remove,
2928                 .notify = sony_nc_notify,
2929                 },
2930         .drv.pm = &sony_nc_pm,
2931 };
2932
2933 /*********** SPIC (SNY6001) Device ***********/
2934
2935 #define SONYPI_DEVICE_TYPE1     0x00000001
2936 #define SONYPI_DEVICE_TYPE2     0x00000002
2937 #define SONYPI_DEVICE_TYPE3     0x00000004
2938
2939 #define SONYPI_TYPE1_OFFSET     0x04
2940 #define SONYPI_TYPE2_OFFSET     0x12
2941 #define SONYPI_TYPE3_OFFSET     0x12
2942
2943 struct sony_pic_ioport {
2944         struct acpi_resource_io io1;
2945         struct acpi_resource_io io2;
2946         struct list_head        list;
2947 };
2948
2949 struct sony_pic_irq {
2950         struct acpi_resource_irq        irq;
2951         struct list_head                list;
2952 };
2953
2954 struct sonypi_eventtypes {
2955         u8                      data;
2956         unsigned long           mask;
2957         struct sonypi_event     *events;
2958 };
2959
2960 struct sony_pic_dev {
2961         struct acpi_device              *acpi_dev;
2962         struct sony_pic_irq             *cur_irq;
2963         struct sony_pic_ioport          *cur_ioport;
2964         struct list_head                interrupts;
2965         struct list_head                ioports;
2966         struct mutex                    lock;
2967         struct sonypi_eventtypes        *event_types;
2968         int                             (*handle_irq)(const u8, const u8);
2969         int                             model;
2970         u16                             evport_offset;
2971         u8                              camera_power;
2972         u8                              bluetooth_power;
2973         u8                              wwan_power;
2974 };
2975
2976 static struct sony_pic_dev spic_dev = {
2977         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
2978         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
2979 };
2980
2981 static int spic_drv_registered;
2982
2983 /* Event masks */
2984 #define SONYPI_JOGGER_MASK                      0x00000001
2985 #define SONYPI_CAPTURE_MASK                     0x00000002
2986 #define SONYPI_FNKEY_MASK                       0x00000004
2987 #define SONYPI_BLUETOOTH_MASK                   0x00000008
2988 #define SONYPI_PKEY_MASK                        0x00000010
2989 #define SONYPI_BACK_MASK                        0x00000020
2990 #define SONYPI_HELP_MASK                        0x00000040
2991 #define SONYPI_LID_MASK                         0x00000080
2992 #define SONYPI_ZOOM_MASK                        0x00000100
2993 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
2994 #define SONYPI_MEYE_MASK                        0x00000400
2995 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
2996 #define SONYPI_BATTERY_MASK                     0x00001000
2997 #define SONYPI_WIRELESS_MASK                    0x00002000
2998
2999 struct sonypi_event {
3000         u8      data;
3001         u8      event;
3002 };
3003
3004 /* The set of possible button release events */
3005 static struct sonypi_event sonypi_releaseev[] = {
3006         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3007         { 0, 0 }
3008 };
3009
3010 /* The set of possible jogger events  */
3011 static struct sonypi_event sonypi_joggerev[] = {
3012         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3013         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3014         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3015         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3016         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3017         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3018         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3019         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3020         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3021         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3022         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3023         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3024         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3025         { 0, 0 }
3026 };
3027
3028 /* The set of possible capture button events */
3029 static struct sonypi_event sonypi_captureev[] = {
3030         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3031         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3032         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3033         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3034         { 0, 0 }
3035 };
3036
3037 /* The set of possible fnkeys events */
3038 static struct sonypi_event sonypi_fnkeyev[] = {
3039         { 0x10, SONYPI_EVENT_FNKEY_ESC },
3040         { 0x11, SONYPI_EVENT_FNKEY_F1 },
3041         { 0x12, SONYPI_EVENT_FNKEY_F2 },
3042         { 0x13, SONYPI_EVENT_FNKEY_F3 },
3043         { 0x14, SONYPI_EVENT_FNKEY_F4 },
3044         { 0x15, SONYPI_EVENT_FNKEY_F5 },
3045         { 0x16, SONYPI_EVENT_FNKEY_F6 },
3046         { 0x17, SONYPI_EVENT_FNKEY_F7 },
3047         { 0x18, SONYPI_EVENT_FNKEY_F8 },
3048         { 0x19, SONYPI_EVENT_FNKEY_F9 },
3049         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3050         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3051         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3052         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3053         { 0x21, SONYPI_EVENT_FNKEY_1 },
3054         { 0x22, SONYPI_EVENT_FNKEY_2 },
3055         { 0x31, SONYPI_EVENT_FNKEY_D },
3056         { 0x32, SONYPI_EVENT_FNKEY_E },
3057         { 0x33, SONYPI_EVENT_FNKEY_F },
3058         { 0x34, SONYPI_EVENT_FNKEY_S },
3059         { 0x35, SONYPI_EVENT_FNKEY_B },
3060         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3061         { 0, 0 }
3062 };
3063
3064 /* The set of possible program key events */
3065 static struct sonypi_event sonypi_pkeyev[] = {
3066         { 0x01, SONYPI_EVENT_PKEY_P1 },
3067         { 0x02, SONYPI_EVENT_PKEY_P2 },
3068         { 0x04, SONYPI_EVENT_PKEY_P3 },
3069         { 0x20, SONYPI_EVENT_PKEY_P1 },
3070         { 0, 0 }
3071 };
3072
3073 /* The set of possible bluetooth events */
3074 static struct sonypi_event sonypi_blueev[] = {
3075         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3076         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3077         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3078         { 0, 0 }
3079 };
3080
3081 /* The set of possible wireless events */
3082 static struct sonypi_event sonypi_wlessev[] = {
3083         { 0x59, SONYPI_EVENT_IGNORE },
3084         { 0x5a, SONYPI_EVENT_IGNORE },
3085         { 0, 0 }
3086 };
3087
3088 /* The set of possible back button events */
3089 static struct sonypi_event sonypi_backev[] = {
3090         { 0x20, SONYPI_EVENT_BACK_PRESSED },
3091         { 0, 0 }
3092 };
3093
3094 /* The set of possible help button events */
3095 static struct sonypi_event sonypi_helpev[] = {
3096         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3097         { 0, 0 }
3098 };
3099
3100
3101 /* The set of possible lid events */
3102 static struct sonypi_event sonypi_lidev[] = {
3103         { 0x51, SONYPI_EVENT_LID_CLOSED },
3104         { 0x50, SONYPI_EVENT_LID_OPENED },
3105         { 0, 0 }
3106 };
3107
3108 /* The set of possible zoom events */
3109 static struct sonypi_event sonypi_zoomev[] = {
3110         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3111         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3112         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3113         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3114         { 0, 0 }
3115 };
3116
3117 /* The set of possible thumbphrase events */
3118 static struct sonypi_event sonypi_thumbphraseev[] = {
3119         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3120         { 0, 0 }
3121 };
3122
3123 /* The set of possible motioneye camera events */
3124 static struct sonypi_event sonypi_meyeev[] = {
3125         { 0x00, SONYPI_EVENT_MEYE_FACE },
3126         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3127         { 0, 0 }
3128 };
3129
3130 /* The set of possible memorystick events */
3131 static struct sonypi_event sonypi_memorystickev[] = {
3132         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3133         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3134         { 0, 0 }
3135 };
3136
3137 /* The set of possible battery events */
3138 static struct sonypi_event sonypi_batteryev[] = {
3139         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3140         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3141         { 0, 0 }
3142 };
3143
3144 /* The set of possible volume events */
3145 static struct sonypi_event sonypi_volumeev[] = {
3146         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3147         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3148         { 0, 0 }
3149 };
3150
3151 /* The set of possible brightness events */
3152 static struct sonypi_event sonypi_brightnessev[] = {
3153         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3154         { 0, 0 }
3155 };
3156
3157 static struct sonypi_eventtypes type1_events[] = {
3158         { 0, 0xffffffff, sonypi_releaseev },
3159         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3160         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3161         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3162         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3163         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3164         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3165         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3166         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3167         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3168         { 0 },
3169 };
3170 static struct sonypi_eventtypes type2_events[] = {
3171         { 0, 0xffffffff, sonypi_releaseev },
3172         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3173         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3174         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3175         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3176         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3177         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3178         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3179         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3180         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3181         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3182         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3183         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3184         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3185         { 0 },
3186 };
3187 static struct sonypi_eventtypes type3_events[] = {
3188         { 0, 0xffffffff, sonypi_releaseev },
3189         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3190         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3191         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3192         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3193         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3194         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3195         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3196         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3197         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3198         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3199         { 0 },
3200 };
3201
3202 /* low level spic calls */
3203 #define ITERATIONS_LONG         10000
3204 #define ITERATIONS_SHORT        10
3205 #define wait_on_command(command, iterations) {                          \
3206         unsigned int n = iterations;                                    \
3207         while (--n && (command))                                        \
3208                 udelay(1);                                              \
3209         if (!n)                                                         \
3210                 dprintk("command failed at %s : %s (line %d)\n",        \
3211                                 __FILE__, __func__, __LINE__);  \
3212 }
3213
3214 static u8 sony_pic_call1(u8 dev)
3215 {
3216         u8 v1, v2;
3217
3218         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3219                         ITERATIONS_LONG);
3220         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3221         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3222         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3223         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3224         return v2;
3225 }
3226
3227 static u8 sony_pic_call2(u8 dev, u8 fn)
3228 {
3229         u8 v1;
3230
3231         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3232                         ITERATIONS_LONG);
3233         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3234         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3235                         ITERATIONS_LONG);
3236         outb(fn, spic_dev.cur_ioport->io1.minimum);
3237         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3238         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3239         return v1;
3240 }
3241
3242 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3243 {
3244         u8 v1;
3245
3246         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3247         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3248         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3249         outb(fn, spic_dev.cur_ioport->io1.minimum);
3250         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3251         outb(v, spic_dev.cur_ioport->io1.minimum);
3252         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3253         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3254                         dev, fn, v, v1);
3255         return v1;
3256 }
3257
3258 /*
3259  * minidrivers for SPIC models
3260  */
3261 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3262 {
3263         /*
3264          * 0x31 could mean we have to take some extra action and wait for
3265          * the next irq for some Type3 models, it will generate a new
3266          * irq and we can read new data from the device:
3267          *  - 0x5c and 0x5f requires 0xA0
3268          *  - 0x61 requires 0xB3
3269          */
3270         if (data_mask == 0x31) {
3271                 if (ev == 0x5c || ev == 0x5f)
3272                         sony_pic_call1(0xA0);
3273                 else if (ev == 0x61)
3274                         sony_pic_call1(0xB3);
3275                 return 0;
3276         }
3277         return 1;
3278 }
3279
3280 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3281 {
3282         struct pci_dev *pcidev;
3283
3284         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3285                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3286         if (pcidev) {
3287                 dev->model = SONYPI_DEVICE_TYPE1;
3288                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3289                 dev->event_types = type1_events;
3290                 goto out;
3291         }
3292
3293         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3294                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3295         if (pcidev) {
3296                 dev->model = SONYPI_DEVICE_TYPE2;
3297                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3298                 dev->event_types = type2_events;
3299                 goto out;
3300         }
3301
3302         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3303                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3304         if (pcidev) {
3305                 dev->model = SONYPI_DEVICE_TYPE3;
3306                 dev->handle_irq = type3_handle_irq;
3307                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3308                 dev->event_types = type3_events;
3309                 goto out;
3310         }
3311
3312         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3313                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3314         if (pcidev) {
3315                 dev->model = SONYPI_DEVICE_TYPE3;
3316                 dev->handle_irq = type3_handle_irq;
3317                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3318                 dev->event_types = type3_events;
3319                 goto out;
3320         }
3321
3322         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3323                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3324         if (pcidev) {
3325                 dev->model = SONYPI_DEVICE_TYPE3;
3326                 dev->handle_irq = type3_handle_irq;
3327                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3328                 dev->event_types = type3_events;
3329                 goto out;
3330         }
3331
3332         /* default */
3333         dev->model = SONYPI_DEVICE_TYPE2;
3334         dev->evport_offset = SONYPI_TYPE2_OFFSET;
3335         dev->event_types = type2_events;
3336
3337 out:
3338         if (pcidev)
3339                 pci_dev_put(pcidev);
3340
3341         pr_info("detected Type%d model\n",
3342                 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3343                 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3344 }
3345
3346 /* camera tests and poweron/poweroff */
3347 #define SONYPI_CAMERA_PICTURE           5
3348 #define SONYPI_CAMERA_CONTROL           0x10
3349
3350 #define SONYPI_CAMERA_BRIGHTNESS                0
3351 #define SONYPI_CAMERA_CONTRAST                  1
3352 #define SONYPI_CAMERA_HUE                       2
3353 #define SONYPI_CAMERA_COLOR                     3
3354 #define SONYPI_CAMERA_SHARPNESS                 4
3355
3356 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
3357 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
3358 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
3359 #define SONYPI_CAMERA_MUTE_MASK                 0x40
3360
3361 /* the rest don't need a loop until not 0xff */
3362 #define SONYPI_CAMERA_AGC                       6
3363 #define SONYPI_CAMERA_AGC_MASK                  0x30
3364 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
3365
3366 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
3367 #define SONYPI_CAMERA_CONTROL                   0x10
3368
3369 #define SONYPI_CAMERA_STATUS                    7
3370 #define SONYPI_CAMERA_STATUS_READY              0x2
3371 #define SONYPI_CAMERA_STATUS_POSITION           0x4
3372
3373 #define SONYPI_DIRECTION_BACKWARDS              0x4
3374
3375 #define SONYPI_CAMERA_REVISION                  8
3376 #define SONYPI_CAMERA_ROMVERSION                9
3377
3378 static int __sony_pic_camera_ready(void)
3379 {
3380         u8 v;
3381
3382         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3383         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3384 }
3385
3386 static int __sony_pic_camera_off(void)
3387 {
3388         if (!camera) {
3389                 pr_warn("camera control not enabled\n");
3390                 return -ENODEV;
3391         }
3392
3393         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3394                                 SONYPI_CAMERA_MUTE_MASK),
3395                         ITERATIONS_SHORT);
3396
3397         if (spic_dev.camera_power) {
3398                 sony_pic_call2(0x91, 0);
3399                 spic_dev.camera_power = 0;
3400         }
3401         return 0;
3402 }
3403
3404 static int __sony_pic_camera_on(void)
3405 {
3406         int i, j, x;
3407
3408         if (!camera) {
3409                 pr_warn("camera control not enabled\n");
3410                 return -ENODEV;
3411         }
3412
3413         if (spic_dev.camera_power)
3414                 return 0;
3415
3416         for (j = 5; j > 0; j--) {
3417
3418                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3419                         msleep(10);
3420                 sony_pic_call1(0x93);
3421
3422                 for (i = 400; i > 0; i--) {
3423                         if (__sony_pic_camera_ready())
3424                                 break;
3425                         msleep(10);
3426                 }
3427                 if (i)
3428                         break;
3429         }
3430
3431         if (j == 0) {
3432                 pr_warn("failed to power on camera\n");
3433                 return -ENODEV;
3434         }
3435
3436         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3437                                 0x5a),
3438                         ITERATIONS_SHORT);
3439
3440         spic_dev.camera_power = 1;
3441         return 0;
3442 }
3443
3444 /* External camera command (exported to the motion eye v4l driver) */
3445 int sony_pic_camera_command(int command, u8 value)
3446 {
3447         if (!camera)
3448                 return -EIO;
3449
3450         mutex_lock(&spic_dev.lock);
3451
3452         switch (command) {
3453         case SONY_PIC_COMMAND_SETCAMERA:
3454                 if (value)
3455                         __sony_pic_camera_on();
3456                 else
3457                         __sony_pic_camera_off();
3458                 break;
3459         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3460                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3461                                 ITERATIONS_SHORT);
3462                 break;
3463         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3464                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3465                                 ITERATIONS_SHORT);
3466                 break;
3467         case SONY_PIC_COMMAND_SETCAMERAHUE:
3468                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3469                                 ITERATIONS_SHORT);
3470                 break;
3471         case SONY_PIC_COMMAND_SETCAMERACOLOR:
3472                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3473                                 ITERATIONS_SHORT);
3474                 break;
3475         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3476                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3477                                 ITERATIONS_SHORT);
3478                 break;
3479         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3480                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3481                                 ITERATIONS_SHORT);
3482                 break;
3483         case SONY_PIC_COMMAND_SETCAMERAAGC:
3484                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3485                                 ITERATIONS_SHORT);
3486                 break;
3487         default:
3488                 pr_err("sony_pic_camera_command invalid: %d\n", command);
3489                 break;
3490         }
3491         mutex_unlock(&spic_dev.lock);
3492         return 0;
3493 }
3494 EXPORT_SYMBOL(sony_pic_camera_command);
3495
3496 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3497 static void __sony_pic_set_wwanpower(u8 state)
3498 {
3499         state = !!state;
3500         if (spic_dev.wwan_power == state)
3501                 return;
3502         sony_pic_call2(0xB0, state);
3503         sony_pic_call1(0x82);
3504         spic_dev.wwan_power = state;
3505 }
3506
3507 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3508                 struct device_attribute *attr,
3509                 const char *buffer, size_t count)
3510 {
3511         unsigned long value;
3512         if (count > 31)
3513                 return -EINVAL;
3514
3515         if (kstrtoul(buffer, 10, &value))
3516                 return -EINVAL;
3517
3518         mutex_lock(&spic_dev.lock);
3519         __sony_pic_set_wwanpower(value);
3520         mutex_unlock(&spic_dev.lock);
3521
3522         return count;
3523 }
3524
3525 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3526                 struct device_attribute *attr, char *buffer)
3527 {
3528         ssize_t count;
3529         mutex_lock(&spic_dev.lock);
3530         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3531         mutex_unlock(&spic_dev.lock);
3532         return count;
3533 }
3534
3535 /* bluetooth subsystem power state */
3536 static void __sony_pic_set_bluetoothpower(u8 state)
3537 {
3538         state = !!state;
3539         if (spic_dev.bluetooth_power == state)
3540                 return;
3541         sony_pic_call2(0x96, state);
3542         sony_pic_call1(0x82);
3543         spic_dev.bluetooth_power = state;
3544 }
3545
3546 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3547                 struct device_attribute *attr,
3548                 const char *buffer, size_t count)
3549 {
3550         unsigned long value;
3551         if (count > 31)
3552                 return -EINVAL;
3553
3554         if (kstrtoul(buffer, 10, &value))
3555                 return -EINVAL;
3556
3557         mutex_lock(&spic_dev.lock);
3558         __sony_pic_set_bluetoothpower(value);
3559         mutex_unlock(&spic_dev.lock);
3560
3561         return count;
3562 }
3563
3564 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3565                 struct device_attribute *attr, char *buffer)
3566 {
3567         ssize_t count = 0;
3568         mutex_lock(&spic_dev.lock);
3569         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3570         mutex_unlock(&spic_dev.lock);
3571         return count;
3572 }
3573
3574 /* fan speed */
3575 /* FAN0 information (reverse engineered from ACPI tables) */
3576 #define SONY_PIC_FAN0_STATUS    0x93
3577 static int sony_pic_set_fanspeed(unsigned long value)
3578 {
3579         return ec_write(SONY_PIC_FAN0_STATUS, value);
3580 }
3581
3582 static int sony_pic_get_fanspeed(u8 *value)
3583 {
3584         return ec_read(SONY_PIC_FAN0_STATUS, value);
3585 }
3586
3587 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3588                 struct device_attribute *attr,
3589                 const char *buffer, size_t count)
3590 {
3591         unsigned long value;
3592         if (count > 31)
3593                 return -EINVAL;
3594
3595         if (kstrtoul(buffer, 10, &value))
3596                 return -EINVAL;
3597
3598         if (sony_pic_set_fanspeed(value))
3599                 return -EIO;
3600
3601         return count;
3602 }
3603
3604 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3605                 struct device_attribute *attr, char *buffer)
3606 {
3607         u8 value = 0;
3608         if (sony_pic_get_fanspeed(&value))
3609                 return -EIO;
3610
3611         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3612 }
3613
3614 #define SPIC_ATTR(_name, _mode)                                 \
3615 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
3616                 _mode, sony_pic_## _name ##_show,               \
3617                 sony_pic_## _name ##_store)
3618
3619 static SPIC_ATTR(bluetoothpower, 0644);
3620 static SPIC_ATTR(wwanpower, 0644);
3621 static SPIC_ATTR(fanspeed, 0644);
3622
3623 static struct attribute *spic_attributes[] = {
3624         &spic_attr_bluetoothpower.attr,
3625         &spic_attr_wwanpower.attr,
3626         &spic_attr_fanspeed.attr,
3627         NULL
3628 };
3629
3630 static struct attribute_group spic_attribute_group = {
3631         .attrs = spic_attributes
3632 };
3633
3634 /******** SONYPI compatibility **********/
3635 #ifdef CONFIG_SONYPI_COMPAT
3636
3637 /* battery / brightness / temperature  addresses */
3638 #define SONYPI_BAT_FLAGS        0x81
3639 #define SONYPI_LCD_LIGHT        0x96
3640 #define SONYPI_BAT1_PCTRM       0xa0
3641 #define SONYPI_BAT1_LEFT        0xa2
3642 #define SONYPI_BAT1_MAXRT       0xa4
3643 #define SONYPI_BAT2_PCTRM       0xa8
3644 #define SONYPI_BAT2_LEFT        0xaa
3645 #define SONYPI_BAT2_MAXRT       0xac
3646 #define SONYPI_BAT1_MAXTK       0xb0
3647 #define SONYPI_BAT1_FULL        0xb2
3648 #define SONYPI_BAT2_MAXTK       0xb8
3649 #define SONYPI_BAT2_FULL        0xba
3650 #define SONYPI_TEMP_STATUS      0xC1
3651
3652 struct sonypi_compat_s {
3653         struct fasync_struct    *fifo_async;
3654         struct kfifo            fifo;
3655         spinlock_t              fifo_lock;
3656         wait_queue_head_t       fifo_proc_list;
3657         atomic_t                open_count;
3658 };
3659 static struct sonypi_compat_s sonypi_compat = {
3660         .open_count = ATOMIC_INIT(0),
3661 };
3662
3663 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3664 {
3665         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3666 }
3667
3668 static int sonypi_misc_release(struct inode *inode, struct file *file)
3669 {
3670         atomic_dec(&sonypi_compat.open_count);
3671         return 0;
3672 }
3673
3674 static int sonypi_misc_open(struct inode *inode, struct file *file)
3675 {
3676         /* Flush input queue on first open */
3677         unsigned long flags;
3678
3679         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3680
3681         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3682                 kfifo_reset(&sonypi_compat.fifo);
3683
3684         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3685
3686         return 0;
3687 }
3688
3689 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3690                                 size_t count, loff_t *pos)
3691 {
3692         ssize_t ret;
3693         unsigned char c;
3694
3695         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3696             (file->f_flags & O_NONBLOCK))
3697                 return -EAGAIN;
3698
3699         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3700                                        kfifo_len(&sonypi_compat.fifo) != 0);
3701         if (ret)
3702                 return ret;
3703
3704         while (ret < count &&
3705                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3706                           &sonypi_compat.fifo_lock) == sizeof(c))) {
3707                 if (put_user(c, buf++))
3708                         return -EFAULT;
3709                 ret++;
3710         }
3711
3712         if (ret > 0) {
3713                 struct inode *inode = file_inode(file);
3714                 inode->i_atime = current_fs_time(inode->i_sb);
3715         }
3716
3717         return ret;
3718 }
3719
3720 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3721 {
3722         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3723         if (kfifo_len(&sonypi_compat.fifo))
3724                 return POLLIN | POLLRDNORM;
3725         return 0;
3726 }
3727
3728 static int ec_read16(u8 addr, u16 *value)
3729 {
3730         u8 val_lb, val_hb;
3731         if (ec_read(addr, &val_lb))
3732                 return -1;
3733         if (ec_read(addr + 1, &val_hb))
3734                 return -1;
3735         *value = val_lb | (val_hb << 8);
3736         return 0;
3737 }
3738
3739 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3740                                                         unsigned long arg)
3741 {
3742         int ret = 0;
3743         void __user *argp = (void __user *)arg;
3744         u8 val8;
3745         u16 val16;
3746         int value;
3747
3748         mutex_lock(&spic_dev.lock);
3749         switch (cmd) {
3750         case SONYPI_IOCGBRT:
3751                 if (sony_bl_props.dev == NULL) {
3752                         ret = -EIO;
3753                         break;
3754                 }
3755                 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3756                                         &value)) {
3757                         ret = -EIO;
3758                         break;
3759                 }
3760                 val8 = ((value & 0xff) - 1) << 5;
3761                 if (copy_to_user(argp, &val8, sizeof(val8)))
3762                                 ret = -EFAULT;
3763                 break;
3764         case SONYPI_IOCSBRT:
3765                 if (sony_bl_props.dev == NULL) {
3766                         ret = -EIO;
3767                         break;
3768                 }
3769                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3770                         ret = -EFAULT;
3771                         break;
3772                 }
3773                 value = (val8 >> 5) + 1;
3774                 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3775                                         NULL)) {
3776                         ret = -EIO;
3777                         break;
3778                 }
3779                 /* sync the backlight device status */
3780                 sony_bl_props.dev->props.brightness =
3781                     sony_backlight_get_brightness(sony_bl_props.dev);
3782                 break;
3783         case SONYPI_IOCGBAT1CAP:
3784                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3785                         ret = -EIO;
3786                         break;
3787                 }
3788                 if (copy_to_user(argp, &val16, sizeof(val16)))
3789                         ret = -EFAULT;
3790                 break;
3791         case SONYPI_IOCGBAT1REM:
3792                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3793                         ret = -EIO;
3794                         break;
3795                 }
3796                 if (copy_to_user(argp, &val16, sizeof(val16)))
3797                         ret = -EFAULT;
3798                 break;
3799         case SONYPI_IOCGBAT2CAP:
3800                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3801                         ret = -EIO;
3802                         break;
3803                 }
3804                 if (copy_to_user(argp, &val16, sizeof(val16)))
3805                         ret = -EFAULT;
3806                 break;
3807         case SONYPI_IOCGBAT2REM:
3808                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3809                         ret = -EIO;
3810                         break;
3811                 }
3812                 if (copy_to_user(argp, &val16, sizeof(val16)))
3813                         ret = -EFAULT;
3814                 break;
3815         case SONYPI_IOCGBATFLAGS:
3816                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3817                         ret = -EIO;
3818                         break;
3819                 }
3820                 val8 &= 0x07;
3821                 if (copy_to_user(argp, &val8, sizeof(val8)))
3822                         ret = -EFAULT;
3823                 break;
3824         case SONYPI_IOCGBLUE:
3825                 val8 = spic_dev.bluetooth_power;
3826                 if (copy_to_user(argp, &val8, sizeof(val8)))
3827                         ret = -EFAULT;
3828                 break;
3829         case SONYPI_IOCSBLUE:
3830                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3831                         ret = -EFAULT;
3832                         break;
3833                 }
3834                 __sony_pic_set_bluetoothpower(val8);
3835                 break;
3836         /* FAN Controls */
3837         case SONYPI_IOCGFAN:
3838                 if (sony_pic_get_fanspeed(&val8)) {
3839                         ret = -EIO;
3840                         break;
3841                 }
3842                 if (copy_to_user(argp, &val8, sizeof(val8)))
3843                         ret = -EFAULT;
3844                 break;
3845         case SONYPI_IOCSFAN:
3846                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3847                         ret = -EFAULT;
3848                         break;
3849                 }
3850                 if (sony_pic_set_fanspeed(val8))
3851                         ret = -EIO;
3852                 break;
3853         /* GET Temperature (useful under APM) */
3854         case SONYPI_IOCGTEMP:
3855                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3856                         ret = -EIO;
3857                         break;
3858                 }
3859                 if (copy_to_user(argp, &val8, sizeof(val8)))
3860                         ret = -EFAULT;
3861                 break;
3862         default:
3863                 ret = -EINVAL;
3864         }
3865         mutex_unlock(&spic_dev.lock);
3866         return ret;
3867 }
3868
3869 static const struct file_operations sonypi_misc_fops = {
3870         .owner          = THIS_MODULE,
3871         .read           = sonypi_misc_read,
3872         .poll           = sonypi_misc_poll,
3873         .open           = sonypi_misc_open,
3874         .release        = sonypi_misc_release,
3875         .fasync         = sonypi_misc_fasync,
3876         .unlocked_ioctl = sonypi_misc_ioctl,
3877         .llseek         = noop_llseek,
3878 };
3879
3880 static struct miscdevice sonypi_misc_device = {
3881         .minor          = MISC_DYNAMIC_MINOR,
3882         .name           = "sonypi",
3883         .fops           = &sonypi_misc_fops,
3884 };
3885
3886 static void sonypi_compat_report_event(u8 event)
3887 {
3888         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3889                         sizeof(event), &sonypi_compat.fifo_lock);
3890         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3891         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3892 }
3893
3894 static int sonypi_compat_init(void)
3895 {
3896         int error;
3897
3898         spin_lock_init(&sonypi_compat.fifo_lock);
3899         error =
3900          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3901         if (error) {
3902                 pr_err("kfifo_alloc failed\n");
3903                 return error;
3904         }
3905
3906         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3907
3908         if (minor != -1)
3909                 sonypi_misc_device.minor = minor;
3910         error = misc_register(&sonypi_misc_device);
3911         if (error) {
3912                 pr_err("misc_register failed\n");
3913                 goto err_free_kfifo;
3914         }
3915         if (minor == -1)
3916                 pr_info("device allocated minor is %d\n",
3917                         sonypi_misc_device.minor);
3918
3919         return 0;
3920
3921 err_free_kfifo:
3922         kfifo_free(&sonypi_compat.fifo);
3923         return error;
3924 }
3925
3926 static void sonypi_compat_exit(void)
3927 {
3928         misc_deregister(&sonypi_misc_device);
3929         kfifo_free(&sonypi_compat.fifo);
3930 }
3931 #else
3932 static int sonypi_compat_init(void) { return 0; }
3933 static void sonypi_compat_exit(void) { }
3934 static void sonypi_compat_report_event(u8 event) { }
3935 #endif /* CONFIG_SONYPI_COMPAT */
3936
3937 /*
3938  * ACPI callbacks
3939  */
3940 static acpi_status
3941 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3942 {
3943         u32 i;
3944         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3945
3946         switch (resource->type) {
3947         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3948                 {
3949                         /* start IO enumeration */
3950                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3951                         if (!ioport)
3952                                 return AE_ERROR;
3953
3954                         list_add(&ioport->list, &dev->ioports);
3955                         return AE_OK;
3956                 }
3957
3958         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3959                 /* end IO enumeration */
3960                 return AE_OK;
3961
3962         case ACPI_RESOURCE_TYPE_IRQ:
3963                 {
3964                         struct acpi_resource_irq *p = &resource->data.irq;
3965                         struct sony_pic_irq *interrupt = NULL;
3966                         if (!p || !p->interrupt_count) {
3967                                 /*
3968                                  * IRQ descriptors may have no IRQ# bits set,
3969                                  * particularly those those w/ _STA disabled
3970                                  */
3971                                 dprintk("Blank IRQ resource\n");
3972                                 return AE_OK;
3973                         }
3974                         for (i = 0; i < p->interrupt_count; i++) {
3975                                 if (!p->interrupts[i]) {
3976                                         pr_warn("Invalid IRQ %d\n",
3977                                                 p->interrupts[i]);
3978                                         continue;
3979                                 }
3980                                 interrupt = kzalloc(sizeof(*interrupt),
3981                                                 GFP_KERNEL);
3982                                 if (!interrupt)
3983                                         return AE_ERROR;
3984
3985                                 list_add(&interrupt->list, &dev->interrupts);
3986                                 interrupt->irq.triggering = p->triggering;
3987                                 interrupt->irq.polarity = p->polarity;
3988                                 interrupt->irq.sharable = p->sharable;
3989                                 interrupt->irq.interrupt_count = 1;
3990                                 interrupt->irq.interrupts[0] = p->interrupts[i];
3991                         }
3992                         return AE_OK;
3993                 }
3994         case ACPI_RESOURCE_TYPE_IO:
3995                 {
3996                         struct acpi_resource_io *io = &resource->data.io;
3997                         struct sony_pic_ioport *ioport =
3998                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3999                         if (!io) {
4000                                 dprintk("Blank IO resource\n");
4001                                 return AE_OK;
4002                         }
4003
4004                         if (!ioport->io1.minimum) {
4005                                 memcpy(&ioport->io1, io, sizeof(*io));
4006                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4007                                                 ioport->io1.address_length);
4008                         }
4009                         else if (!ioport->io2.minimum) {
4010                                 memcpy(&ioport->io2, io, sizeof(*io));
4011                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4012                                                 ioport->io2.address_length);
4013                         }
4014                         else {
4015                                 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4016                                 return AE_ERROR;
4017                         }
4018                         return AE_OK;
4019                 }
4020         default:
4021                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4022                         resource->type);
4023
4024         case ACPI_RESOURCE_TYPE_END_TAG:
4025                 return AE_OK;
4026         }
4027         return AE_CTRL_TERMINATE;
4028 }
4029
4030 static int sony_pic_possible_resources(struct acpi_device *device)
4031 {
4032         int result = 0;
4033         acpi_status status = AE_OK;
4034
4035         if (!device)
4036                 return -EINVAL;
4037
4038         /* get device status */
4039         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4040         dprintk("Evaluating _STA\n");
4041         result = acpi_bus_get_status(device);
4042         if (result) {
4043                 pr_warn("Unable to read status\n");
4044                 goto end;
4045         }
4046
4047         if (!device->status.enabled)
4048                 dprintk("Device disabled\n");
4049         else
4050                 dprintk("Device enabled\n");
4051
4052         /*
4053          * Query and parse 'method'
4054          */
4055         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4056         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4057                         sony_pic_read_possible_resource, &spic_dev);
4058         if (ACPI_FAILURE(status)) {
4059                 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4060                 result = -ENODEV;
4061         }
4062 end:
4063         return result;
4064 }
4065
4066 /*
4067  *  Disable the spic device by calling its _DIS method
4068  */
4069 static int sony_pic_disable(struct acpi_device *device)
4070 {
4071         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4072                                                NULL);
4073
4074         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4075                 return -ENXIO;
4076
4077         dprintk("Device disabled\n");
4078         return 0;
4079 }
4080
4081
4082 /*
4083  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4084  *
4085  *  Call _SRS to set current resources
4086  */
4087 static int sony_pic_enable(struct acpi_device *device,
4088                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4089 {
4090         acpi_status status;
4091         int result = 0;
4092         /* Type 1 resource layout is:
4093          *    IO
4094          *    IO
4095          *    IRQNoFlags
4096          *    End
4097          *
4098          * Type 2 and 3 resource layout is:
4099          *    IO
4100          *    IRQNoFlags
4101          *    End
4102          */
4103         struct {
4104                 struct acpi_resource res1;
4105                 struct acpi_resource res2;
4106                 struct acpi_resource res3;
4107                 struct acpi_resource res4;
4108         } *resource;
4109         struct acpi_buffer buffer = { 0, NULL };
4110
4111         if (!ioport || !irq)
4112                 return -EINVAL;
4113
4114         /* init acpi_buffer */
4115         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4116         if (!resource)
4117                 return -ENOMEM;
4118
4119         buffer.length = sizeof(*resource) + 1;
4120         buffer.pointer = resource;
4121
4122         /* setup Type 1 resources */
4123         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4124
4125                 /* setup io resources */
4126                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4127                 resource->res1.length = sizeof(struct acpi_resource);
4128                 memcpy(&resource->res1.data.io, &ioport->io1,
4129                                 sizeof(struct acpi_resource_io));
4130
4131                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4132                 resource->res2.length = sizeof(struct acpi_resource);
4133                 memcpy(&resource->res2.data.io, &ioport->io2,
4134                                 sizeof(struct acpi_resource_io));
4135
4136                 /* setup irq resource */
4137                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4138                 resource->res3.length = sizeof(struct acpi_resource);
4139                 memcpy(&resource->res3.data.irq, &irq->irq,
4140                                 sizeof(struct acpi_resource_irq));
4141                 /* we requested a shared irq */
4142                 resource->res3.data.irq.sharable = ACPI_SHARED;
4143
4144                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4145                 resource->res4.length = sizeof(struct acpi_resource);
4146         }
4147         /* setup Type 2/3 resources */
4148         else {
4149                 /* setup io resource */
4150                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4151                 resource->res1.length = sizeof(struct acpi_resource);
4152                 memcpy(&resource->res1.data.io, &ioport->io1,
4153                                 sizeof(struct acpi_resource_io));
4154
4155                 /* setup irq resource */
4156                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4157                 resource->res2.length = sizeof(struct acpi_resource);
4158                 memcpy(&resource->res2.data.irq, &irq->irq,
4159                                 sizeof(struct acpi_resource_irq));
4160                 /* we requested a shared irq */
4161                 resource->res2.data.irq.sharable = ACPI_SHARED;
4162
4163                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4164                 resource->res3.length = sizeof(struct acpi_resource);
4165         }
4166
4167         /* Attempt to set the resource */
4168         dprintk("Evaluating _SRS\n");
4169         status = acpi_set_current_resources(device->handle, &buffer);
4170
4171         /* check for total failure */
4172         if (ACPI_FAILURE(status)) {
4173                 pr_err("Error evaluating _SRS\n");
4174                 result = -ENODEV;
4175                 goto end;
4176         }
4177
4178         /* Necessary device initializations calls (from sonypi) */
4179         sony_pic_call1(0x82);
4180         sony_pic_call2(0x81, 0xff);
4181         sony_pic_call1(compat ? 0x92 : 0x82);
4182
4183 end:
4184         kfree(resource);
4185         return result;
4186 }
4187
4188 /*****************
4189  *
4190  * ISR: some event is available
4191  *
4192  *****************/
4193 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4194 {
4195         int i, j;
4196         u8 ev = 0;
4197         u8 data_mask = 0;
4198         u8 device_event = 0;
4199
4200         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4201
4202         ev = inb_p(dev->cur_ioport->io1.minimum);
4203         if (dev->cur_ioport->io2.minimum)
4204                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4205         else
4206                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4207                                 dev->evport_offset);
4208
4209         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4210                         ev, data_mask, dev->cur_ioport->io1.minimum,
4211                         dev->evport_offset);
4212
4213         if (ev == 0x00 || ev == 0xff)
4214                 return IRQ_HANDLED;
4215
4216         for (i = 0; dev->event_types[i].mask; i++) {
4217
4218                 if ((data_mask & dev->event_types[i].data) !=
4219                     dev->event_types[i].data)
4220                         continue;
4221
4222                 if (!(mask & dev->event_types[i].mask))
4223                         continue;
4224
4225                 for (j = 0; dev->event_types[i].events[j].event; j++) {
4226                         if (ev == dev->event_types[i].events[j].data) {
4227                                 device_event =
4228                                         dev->event_types[i].events[j].event;
4229                                 /* some events may require ignoring */
4230                                 if (!device_event)
4231                                         return IRQ_HANDLED;
4232                                 goto found;
4233                         }
4234                 }
4235         }
4236         /* Still not able to decode the event try to pass
4237          * it over to the minidriver
4238          */
4239         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4240                 return IRQ_HANDLED;
4241
4242         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4243                         ev, data_mask, dev->cur_ioport->io1.minimum,
4244                         dev->evport_offset);
4245         return IRQ_HANDLED;
4246
4247 found:
4248         sony_laptop_report_input_event(device_event);
4249         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4250         sonypi_compat_report_event(device_event);
4251         return IRQ_HANDLED;
4252 }
4253
4254 /*****************
4255  *
4256  *  ACPI driver
4257  *
4258  *****************/
4259 static int sony_pic_remove(struct acpi_device *device)
4260 {
4261         struct sony_pic_ioport *io, *tmp_io;
4262         struct sony_pic_irq *irq, *tmp_irq;
4263
4264         if (sony_pic_disable(device)) {
4265                 pr_err("Couldn't disable device\n");
4266                 return -ENXIO;
4267         }
4268
4269         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4270         release_region(spic_dev.cur_ioport->io1.minimum,
4271                         spic_dev.cur_ioport->io1.address_length);
4272         if (spic_dev.cur_ioport->io2.minimum)
4273                 release_region(spic_dev.cur_ioport->io2.minimum,
4274                                 spic_dev.cur_ioport->io2.address_length);
4275
4276         sonypi_compat_exit();
4277
4278         sony_laptop_remove_input();
4279
4280         /* pf attrs */
4281         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4282         sony_pf_remove();
4283
4284         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4285                 list_del(&io->list);
4286                 kfree(io);
4287         }
4288         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4289                 list_del(&irq->list);
4290                 kfree(irq);
4291         }
4292         spic_dev.cur_ioport = NULL;
4293         spic_dev.cur_irq = NULL;
4294
4295         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4296         return 0;
4297 }
4298
4299 static int sony_pic_add(struct acpi_device *device)
4300 {
4301         int result;
4302         struct sony_pic_ioport *io, *tmp_io;
4303         struct sony_pic_irq *irq, *tmp_irq;
4304
4305         pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4306
4307         spic_dev.acpi_dev = device;
4308         strcpy(acpi_device_class(device), "sony/hotkey");
4309         sony_pic_detect_device_type(&spic_dev);
4310         mutex_init(&spic_dev.lock);
4311
4312         /* read _PRS resources */
4313         result = sony_pic_possible_resources(device);
4314         if (result) {
4315                 pr_err("Unable to read possible resources\n");
4316                 goto err_free_resources;
4317         }
4318
4319         /* setup input devices and helper fifo */
4320         result = sony_laptop_setup_input(device);
4321         if (result) {
4322                 pr_err("Unable to create input devices\n");
4323                 goto err_free_resources;
4324         }
4325
4326         result = sonypi_compat_init();
4327         if (result)
4328                 goto err_remove_input;
4329
4330         /* request io port */
4331         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4332                 if (request_region(io->io1.minimum, io->io1.address_length,
4333                                         "Sony Programmable I/O Device")) {
4334                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4335                                         io->io1.minimum, io->io1.maximum,
4336                                         io->io1.address_length);
4337                         /* Type 1 have 2 ioports */
4338                         if (io->io2.minimum) {
4339                                 if (request_region(io->io2.minimum,
4340                                                 io->io2.address_length,
4341                                                 "Sony Programmable I/O Device")) {
4342                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4343                                                         io->io2.minimum, io->io2.maximum,
4344                                                         io->io2.address_length);
4345                                         spic_dev.cur_ioport = io;
4346                                         break;
4347                                 }
4348                                 else {
4349                                         dprintk("Unable to get I/O port2: "
4350                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
4351                                                         io->io2.minimum, io->io2.maximum,
4352                                                         io->io2.address_length);
4353                                         release_region(io->io1.minimum,
4354                                                         io->io1.address_length);
4355                                 }
4356                         }
4357                         else {
4358                                 spic_dev.cur_ioport = io;
4359                                 break;
4360                         }
4361                 }
4362         }
4363         if (!spic_dev.cur_ioport) {
4364                 pr_err("Failed to request_region\n");
4365                 result = -ENODEV;
4366                 goto err_remove_compat;
4367         }
4368
4369         /* request IRQ */
4370         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4371                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4372                                         0, "sony-laptop", &spic_dev)) {
4373                         dprintk("IRQ: %d - triggering: %d - "
4374                                         "polarity: %d - shr: %d\n",
4375                                         irq->irq.interrupts[0],
4376                                         irq->irq.triggering,
4377                                         irq->irq.polarity,
4378                                         irq->irq.sharable);
4379                         spic_dev.cur_irq = irq;
4380                         break;
4381                 }
4382         }
4383         if (!spic_dev.cur_irq) {
4384                 pr_err("Failed to request_irq\n");
4385                 result = -ENODEV;
4386                 goto err_release_region;
4387         }
4388
4389         /* set resource status _SRS */
4390         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4391         if (result) {
4392                 pr_err("Couldn't enable device\n");
4393                 goto err_free_irq;
4394         }
4395
4396         spic_dev.bluetooth_power = -1;
4397         /* create device attributes */
4398         result = sony_pf_add();
4399         if (result)
4400                 goto err_disable_device;
4401
4402         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4403         if (result)
4404                 goto err_remove_pf;
4405
4406         return 0;
4407
4408 err_remove_pf:
4409         sony_pf_remove();
4410
4411 err_disable_device:
4412         sony_pic_disable(device);
4413
4414 err_free_irq:
4415         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4416
4417 err_release_region:
4418         release_region(spic_dev.cur_ioport->io1.minimum,
4419                         spic_dev.cur_ioport->io1.address_length);
4420         if (spic_dev.cur_ioport->io2.minimum)
4421                 release_region(spic_dev.cur_ioport->io2.minimum,
4422                                 spic_dev.cur_ioport->io2.address_length);
4423
4424 err_remove_compat:
4425         sonypi_compat_exit();
4426
4427 err_remove_input:
4428         sony_laptop_remove_input();
4429
4430 err_free_resources:
4431         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4432                 list_del(&io->list);
4433                 kfree(io);
4434         }
4435         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4436                 list_del(&irq->list);
4437                 kfree(irq);
4438         }
4439         spic_dev.cur_ioport = NULL;
4440         spic_dev.cur_irq = NULL;
4441
4442         return result;
4443 }
4444
4445 #ifdef CONFIG_PM_SLEEP
4446 static int sony_pic_suspend(struct device *dev)
4447 {
4448         if (sony_pic_disable(to_acpi_device(dev)))
4449                 return -ENXIO;
4450         return 0;
4451 }
4452
4453 static int sony_pic_resume(struct device *dev)
4454 {
4455         sony_pic_enable(to_acpi_device(dev),
4456                         spic_dev.cur_ioport, spic_dev.cur_irq);
4457         return 0;
4458 }
4459 #endif
4460
4461 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4462
4463 static const struct acpi_device_id sony_pic_device_ids[] = {
4464         {SONY_PIC_HID, 0},
4465         {"", 0},
4466 };
4467
4468 static struct acpi_driver sony_pic_driver = {
4469         .name = SONY_PIC_DRIVER_NAME,
4470         .class = SONY_PIC_CLASS,
4471         .ids = sony_pic_device_ids,
4472         .owner = THIS_MODULE,
4473         .ops = {
4474                 .add = sony_pic_add,
4475                 .remove = sony_pic_remove,
4476                 },
4477         .drv.pm = &sony_pic_pm,
4478 };
4479
4480 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4481         {
4482                 .ident = "Sony Vaio",
4483                 .matches = {
4484                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4485                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4486                 },
4487         },
4488         {
4489                 .ident = "Sony Vaio",
4490                 .matches = {
4491                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4492                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4493                 },
4494         },
4495         { }
4496 };
4497
4498 static int __init sony_laptop_init(void)
4499 {
4500         int result;
4501
4502         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4503                 result = acpi_bus_register_driver(&sony_pic_driver);
4504                 if (result) {
4505                         pr_err("Unable to register SPIC driver\n");
4506                         goto out;
4507                 }
4508                 spic_drv_registered = 1;
4509         }
4510
4511         result = acpi_bus_register_driver(&sony_nc_driver);
4512         if (result) {
4513                 pr_err("Unable to register SNC driver\n");
4514                 goto out_unregister_pic;
4515         }
4516
4517         return 0;
4518
4519 out_unregister_pic:
4520         if (spic_drv_registered)
4521                 acpi_bus_unregister_driver(&sony_pic_driver);
4522 out:
4523         return result;
4524 }
4525
4526 static void __exit sony_laptop_exit(void)
4527 {
4528         acpi_bus_unregister_driver(&sony_nc_driver);
4529         if (spic_drv_registered)
4530                 acpi_bus_unregister_driver(&sony_pic_driver);
4531 }
4532
4533 module_init(sony_laptop_init);
4534 module_exit(sony_laptop_exit);