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