drivers/platform/x86/sony-laptop.c

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  46
  47 #include <linux/kernel.h>
  48 #include <linux/module.h>
  49 #include <linux/moduleparam.h>
  50 #include <linux/init.h>
  51 #include <linux/types.h>
  52 #include <linux/backlight.h>
  53 #include <linux/platform_device.h>
  54 #include <linux/err.h>
  55 #include <linux/dmi.h>
  56 #include <linux/pci.h>
  57 #include <linux/interrupt.h>
  58 #include <linux/delay.h>
  59 #include <linux/input.h>
  60 #include <linux/kfifo.h>
  61 #include <linux/workqueue.h>
  62 #include <linux/acpi.h>
  63 #include <linux/slab.h>
  64 #include <acpi/acpi_drivers.h>
  65 #include <acpi/acpi_bus.h>
  66 #include <asm/uaccess.h>
  67 #include <linux/sonypi.h>
  68 #include <linux/sony-laptop.h>
  69 #include <linux/rfkill.h>
  70 #ifdef CONFIG_SONYPI_COMPAT
  71 #include <linux/poll.h>
  72 #include <linux/miscdevice.h>
  73 #endif
  74
  75 #define dprintk(fmt, ...)                       \
  76 do {                                            \
  77         if (debug)                              \
  78                 pr_warn(fmt, ##__VA_ARGS__);    \
  79 } while (0)
  80
  81 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  82
  83 #define SONY_NC_CLASS           "sony-nc"
  84 #define SONY_NC_HID             "SNY5001"
  85 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  86
  87 #define SONY_PIC_CLASS          "sony-pic"
  88 #define SONY_PIC_HID            "SNY6001"
  89 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  90
  91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  93 MODULE_LICENSE("GPL");
  94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  95
  96 static int debug;
  97 module_param(debug, int, 0);
  98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  99                  "the development of this driver");
 100
 101 static int no_spic;             /* = 0 */
 102 module_param(no_spic, int, 0444);
 103 MODULE_PARM_DESC(no_spic,
 104                  "set this if you don't want to enable the SPIC device");
 105
 106 static int compat;              /* = 0 */
 107 module_param(compat, int, 0444);
 108 MODULE_PARM_DESC(compat,
 109                  "set this if you want to enable backward compatibility mode");
 110
 111 static unsigned long mask = 0xffffffff;
 112 module_param(mask, ulong, 0644);
 113 MODULE_PARM_DESC(mask,
 114                  "set this to the mask of event you want to enable (see doc)");
 115
 116 static int camera;              /* = 0 */
 117 module_param(camera, int, 0444);
 118 MODULE_PARM_DESC(camera,
 119                  "set this to 1 to enable Motion Eye camera controls "
 120                  "(only use it if you have a C1VE or C1VN model)");
 121
 122 #ifdef CONFIG_SONYPI_COMPAT
 123 static int minor = -1;
 124 module_param(minor, int, 0);
 125 MODULE_PARM_DESC(minor,
 126                  "minor number of the misc device for the SPIC compatibility code, "
 127                  "default is -1 (automatic)");
 128 #endif
 129
 130 static int kbd_backlight = 1;
 131 module_param(kbd_backlight, int, 0444);
 132 MODULE_PARM_DESC(kbd_backlight,
 133                  "set this to 0 to disable keyboard backlight, "
 134                  "1 to enable it (default: 0)");
 135
 136 static int kbd_backlight_timeout;       /* = 0 */
 137 module_param(kbd_backlight_timeout, int, 0444);
 138 MODULE_PARM_DESC(kbd_backlight_timeout,
 139                  "set this to 0 to set the default 10 seconds timeout, "
 140                  "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
 141                  "(default: 0)");
 142
 143 #ifdef CONFIG_PM_SLEEP
 144 static void sony_nc_kbd_backlight_resume(void);
 145 static void sony_nc_thermal_resume(void);
 146 #endif
 147 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
 148                 unsigned int handle);
 149 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
 150
 151 static int sony_nc_battery_care_setup(struct platform_device *pd,
 152                 unsigned int handle);
 153 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
 154
 155 static int sony_nc_thermal_setup(struct platform_device *pd);
 156 static void sony_nc_thermal_cleanup(struct platform_device *pd);
 157
 158 static int sony_nc_lid_resume_setup(struct platform_device *pd);
 159 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
 160
 161 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
 162                 unsigned int handle);
 163 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
 164 static int __sony_nc_gfx_switch_status_get(void);
 165
 166 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
 167 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
 168
 169 static int sony_nc_touchpad_setup(struct platform_device *pd,
 170                                   unsigned int handle);
 171 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
 172
 173 enum sony_nc_rfkill {
 174         SONY_WIFI,
 175         SONY_BLUETOOTH,
 176         SONY_WWAN,
 177         SONY_WIMAX,
 178         N_SONY_RFKILL,
 179 };
 180
 181 static int sony_rfkill_handle;
 182 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 183 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 184 static int sony_nc_rfkill_setup(struct acpi_device *device,
 185                 unsigned int handle);
 186 static void sony_nc_rfkill_cleanup(void);
 187 static void sony_nc_rfkill_update(void);
 188
 189 /*********** Input Devices ***********/
 190
 191 #define SONY_LAPTOP_BUF_SIZE    128
 192 struct sony_laptop_input_s {
 193         atomic_t                users;
 194         struct input_dev        *jog_dev;
 195         struct input_dev        *key_dev;
 196         struct kfifo            fifo;
 197         spinlock_t              fifo_lock;
 198         struct timer_list       release_key_timer;
 199 };
 200
 201 static struct sony_laptop_input_s sony_laptop_input = {
 202         .users = ATOMIC_INIT(0),
 203 };
 204
 205 struct sony_laptop_keypress {
 206         struct input_dev *dev;
 207         int key;
 208 };
 209
 210 /* Correspondance table between sonypi events
 211  * and input layer indexes in the keymap
 212  */
 213 static int sony_laptop_input_index[] = {
 214         -1,     /*  0 no event */
 215         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 216         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 217         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 218         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 219         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 220         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 221          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 222          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 223          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 224          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 225          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 226          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 227          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 228          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 229          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 230          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 231         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 232         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 233         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 234         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 235         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 236         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 237         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 238         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 239         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 240         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 241         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 242         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 243         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 244         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 245         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 246         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 247         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 248         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 249         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 250         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 251         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 252         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 253         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 254         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 255         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 256         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 257         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 258         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 259         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 260         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 261         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 262         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 263         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 264         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 265         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 266         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 267         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 268         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 269         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 270         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 271         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 272         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 273         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 274         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 275         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 276         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 277         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 278         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 279         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 280         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 281         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 282         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 283         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 284         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 285         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 286         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 287         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
 288 };
 289
 290 static int sony_laptop_input_keycode_map[] = {
 291         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 292         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 293         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 294         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 295         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 296         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 297         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 298         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 299         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 300         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 301         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 302         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 303         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 304         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 305         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 306         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 307         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 308         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
 309         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
 310         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 311         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 312         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 313         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 314         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 315         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 316         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 317         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 318         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 319         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 320         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 321         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 322         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 323         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 324         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 325         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 326         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 327         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 328         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 329         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 330         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 331         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 332         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 333         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 334         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 335         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 336         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 337         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 338         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 339         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 340         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 341         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 342         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 343         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 344         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 345         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 346         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 347         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 348         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 349         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 350         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
 351 };
 352
 353 /* release buttons after a short delay if pressed */
 354 static void do_sony_laptop_release_key(unsigned long unused)
 355 {
 356         struct sony_laptop_keypress kp;
 357         unsigned long flags;
 358
 359         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 360
 361         if (kfifo_out(&sony_laptop_input.fifo,
 362                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 363                 input_report_key(kp.dev, kp.key, 0);
 364                 input_sync(kp.dev);
 365         }
 366
 367         /* If there is something in the fifo schedule next release. */
 368         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 369                 mod_timer(&sony_laptop_input.release_key_timer,
 370                           jiffies + msecs_to_jiffies(10));
 371
 372         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 373 }
 374
 375 /* forward event to the input subsystem */
 376 static void sony_laptop_report_input_event(u8 event)
 377 {
 378         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 379         struct input_dev *key_dev = sony_laptop_input.key_dev;
 380         struct sony_laptop_keypress kp = { NULL };
 381         int scancode = -1;
 382
 383         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 384                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 385                 /* Nothing, not all VAIOs generate this event */
 386                 return;
 387         }
 388
 389         /* report events */
 390         switch (event) {
 391         /* jog_dev events */
 392         case SONYPI_EVENT_JOGDIAL_UP:
 393         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 394                 input_report_rel(jog_dev, REL_WHEEL, 1);
 395                 input_sync(jog_dev);
 396                 return;
 397
 398         case SONYPI_EVENT_JOGDIAL_DOWN:
 399         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 400                 input_report_rel(jog_dev, REL_WHEEL, -1);
 401                 input_sync(jog_dev);
 402                 return;
 403
 404         /* key_dev events */
 405         case SONYPI_EVENT_JOGDIAL_PRESSED:
 406                 kp.key = BTN_MIDDLE;
 407                 kp.dev = jog_dev;
 408                 break;
 409
 410         default:
 411                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 412                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 413                         break;
 414                 }
 415                 if ((scancode = sony_laptop_input_index[event]) != -1) {
 416                         kp.key = sony_laptop_input_keycode_map[scancode];
 417                         if (kp.key != KEY_UNKNOWN)
 418                                 kp.dev = key_dev;
 419                 }
 420                 break;
 421         }
 422
 423         if (kp.dev) {
 424                 /* if we have a scancode we emit it so we can always
 425                     remap the key */
 426                 if (scancode != -1)
 427                         input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
 428                 input_report_key(kp.dev, kp.key, 1);
 429                 input_sync(kp.dev);
 430
 431                 /* schedule key release */
 432                 kfifo_in_locked(&sony_laptop_input.fifo,
 433                                 (unsigned char *)&kp, sizeof(kp),
 434                                 &sony_laptop_input.fifo_lock);
 435                 mod_timer(&sony_laptop_input.release_key_timer,
 436                           jiffies + msecs_to_jiffies(10));
 437         } else
 438                 dprintk("unknown input event %.2x\n", event);
 439 }
 440
 441 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 442 {
 443         struct input_dev *jog_dev;
 444         struct input_dev *key_dev;
 445         int i;
 446         int error;
 447
 448         /* don't run again if already initialized */
 449         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 450                 return 0;
 451
 452         /* kfifo */
 453         spin_lock_init(&sony_laptop_input.fifo_lock);
 454         error = kfifo_alloc(&sony_laptop_input.fifo,
 455                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 456         if (error) {
 457                 pr_err("kfifo_alloc failed\n");
 458                 goto err_dec_users;
 459         }
 460
 461         setup_timer(&sony_laptop_input.release_key_timer,
 462                     do_sony_laptop_release_key, 0);
 463
 464         /* input keys */
 465         key_dev = input_allocate_device();
 466         if (!key_dev) {
 467                 error = -ENOMEM;
 468                 goto err_free_kfifo;
 469         }
 470
 471         key_dev->name = "Sony Vaio Keys";
 472         key_dev->id.bustype = BUS_ISA;
 473         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 474         key_dev->dev.parent = &acpi_device->dev;
 475
 476         /* Initialize the Input Drivers: special keys */
 477         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 478
 479         __set_bit(EV_KEY, key_dev->evbit);
 480         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 481         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 482         key_dev->keycode = &sony_laptop_input_keycode_map;
 483         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 484                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 485         __clear_bit(KEY_RESERVED, key_dev->keybit);
 486
 487         error = input_register_device(key_dev);
 488         if (error)
 489                 goto err_free_keydev;
 490
 491         sony_laptop_input.key_dev = key_dev;
 492
 493         /* jogdial */
 494         jog_dev = input_allocate_device();
 495         if (!jog_dev) {
 496                 error = -ENOMEM;
 497                 goto err_unregister_keydev;
 498         }
 499
 500         jog_dev->name = "Sony Vaio Jogdial";
 501         jog_dev->id.bustype = BUS_ISA;
 502         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 503         jog_dev->dev.parent = &acpi_device->dev;
 504
 505         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 506         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 507
 508         error = input_register_device(jog_dev);
 509         if (error)
 510                 goto err_free_jogdev;
 511
 512         sony_laptop_input.jog_dev = jog_dev;
 513
 514         return 0;
 515
 516 err_free_jogdev:
 517         input_free_device(jog_dev);
 518
 519 err_unregister_keydev:
 520         input_unregister_device(key_dev);
 521         /* to avoid kref underflow below at input_free_device */
 522         key_dev = NULL;
 523
 524 err_free_keydev:
 525         input_free_device(key_dev);
 526
 527 err_free_kfifo:
 528         kfifo_free(&sony_laptop_input.fifo);
 529
 530 err_dec_users:
 531         atomic_dec(&sony_laptop_input.users);
 532         return error;
 533 }
 534
 535 static void sony_laptop_remove_input(void)
 536 {
 537         struct sony_laptop_keypress kp = { NULL };
 538
 539         /* Cleanup only after the last user has gone */
 540         if (!atomic_dec_and_test(&sony_laptop_input.users))
 541                 return;
 542
 543         del_timer_sync(&sony_laptop_input.release_key_timer);
 544
 545         /*
 546          * Generate key-up events for remaining keys. Note that we don't
 547          * need locking since nobody is adding new events to the kfifo.
 548          */
 549         while (kfifo_out(&sony_laptop_input.fifo,
 550                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 551                 input_report_key(kp.dev, kp.key, 0);
 552                 input_sync(kp.dev);
 553         }
 554
 555         /* destroy input devs */
 556         input_unregister_device(sony_laptop_input.key_dev);
 557         sony_laptop_input.key_dev = NULL;
 558
 559         if (sony_laptop_input.jog_dev) {
 560                 input_unregister_device(sony_laptop_input.jog_dev);
 561                 sony_laptop_input.jog_dev = NULL;
 562         }
 563
 564         kfifo_free(&sony_laptop_input.fifo);
 565 }
 566
 567 /*********** Platform Device ***********/
 568
 569 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 570 static struct platform_driver sony_pf_driver = {
 571         .driver = {
 572                    .name = "sony-laptop",
 573                    .owner = THIS_MODULE,
 574                    }
 575 };
 576 static struct platform_device *sony_pf_device;
 577
 578 static int sony_pf_add(void)
 579 {
 580         int ret = 0;
 581
 582         /* don't run again if already initialized */
 583         if (atomic_add_return(1, &sony_pf_users) > 1)
 584                 return 0;
 585
 586         ret = platform_driver_register(&sony_pf_driver);
 587         if (ret)
 588                 goto out;
 589
 590         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 591         if (!sony_pf_device) {
 592                 ret = -ENOMEM;
 593                 goto out_platform_registered;
 594         }
 595
 596         ret = platform_device_add(sony_pf_device);
 597         if (ret)
 598                 goto out_platform_alloced;
 599
 600         return 0;
 601
 602       out_platform_alloced:
 603         platform_device_put(sony_pf_device);
 604         sony_pf_device = NULL;
 605       out_platform_registered:
 606         platform_driver_unregister(&sony_pf_driver);
 607       out:
 608         atomic_dec(&sony_pf_users);
 609         return ret;
 610 }
 611
 612 static void sony_pf_remove(void)
 613 {
 614         /* deregister only after the last user has gone */
 615         if (!atomic_dec_and_test(&sony_pf_users))
 616                 return;
 617
 618         platform_device_unregister(sony_pf_device);
 619         platform_driver_unregister(&sony_pf_driver);
 620 }
 621
 622 /*********** SNC (SNY5001) Device ***********/
 623
 624 /* the device uses 1-based values, while the backlight subsystem uses
 625    0-based values */
 626 #define SONY_MAX_BRIGHTNESS     8
 627
 628 #define SNC_VALIDATE_IN         0
 629 #define SNC_VALIDATE_OUT        1
 630
 631 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 632                               char *);
 633 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 634                                const char *, size_t);
 635 static int boolean_validate(const int, const int);
 636 static int brightness_default_validate(const int, const int);
 637
 638 struct sony_nc_value {
 639         char *name;             /* name of the entry */
 640         char **acpiget;         /* names of the ACPI get function */
 641         char **acpiset;         /* names of the ACPI set function */
 642         int (*validate)(const int, const int);  /* input/output validation */
 643         int value;              /* current setting */
 644         int valid;              /* Has ever been set */
 645         int debug;              /* active only in debug mode ? */
 646         struct device_attribute devattr;        /* sysfs attribute */
 647 };
 648
 649 #define SNC_HANDLE_NAMES(_name, _values...) \
 650         static char *snc_##_name[] = { _values, NULL }
 651
 652 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 653         { \
 654                 .name           = __stringify(_name), \
 655                 .acpiget        = _getters, \
 656                 .acpiset        = _setters, \
 657                 .validate       = _validate, \
 658                 .debug          = _debug, \
 659                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 660         }
 661
 662 #define SNC_HANDLE_NULL { .name = NULL }
 663
 664 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 665
 666 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 667 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 668
 669 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 670 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 671
 672 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 673 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 674
 675 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 676 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 677
 678 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 679
 680 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 681 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 682
 683 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 684 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 685
 686 SNC_HANDLE_NAMES(PID_get, "GPID");
 687
 688 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 689 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 690
 691 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 692 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 693
 694 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 695 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 696
 697 static struct sony_nc_value sony_nc_values[] = {
 698         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 699                         snc_brightness_def_set, brightness_default_validate, 0),
 700         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 701         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 702         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 703                         boolean_validate, 0),
 704         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 705                         boolean_validate, 1),
 706         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 707                         boolean_validate, 0),
 708         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 709                         boolean_validate, 0),
 710         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 711                         boolean_validate, 0),
 712         /* unknown methods */
 713         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 714         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 715         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 716         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 717         SNC_HANDLE_NULL
 718 };
 719
 720 static acpi_handle sony_nc_acpi_handle;
 721 static struct acpi_device *sony_nc_acpi_device = NULL;
 722
 723 /*
 724  * acpi_evaluate_object wrappers
 725  * all useful calls into SNC methods take one or zero parameters and return
 726  * integers or arrays.
 727  */
 728 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
 729                 u64 *value)
 730 {
 731         union acpi_object *result = NULL;
 732         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 733         acpi_status status;
 734
 735         if (value) {
 736                 struct acpi_object_list params;
 737                 union acpi_object in;
 738                 in.type = ACPI_TYPE_INTEGER;
 739                 in.integer.value = *value;
 740                 params.count = 1;
 741                 params.pointer = &in;
 742                 status = acpi_evaluate_object(handle, method, &params, &output);
 743                 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
 744                                 (unsigned int)(*value >> 32),
 745                                 (unsigned int)*value & 0xffffffff);
 746         } else {
 747                 status = acpi_evaluate_object(handle, method, NULL, &output);
 748                 dprintk("__call_snc_method: [%s]\n", method);
 749         }
 750
 751         if (ACPI_FAILURE(status)) {
 752                 pr_err("Failed to evaluate [%s]\n", method);
 753                 return NULL;
 754         }
 755
 756         result = (union acpi_object *) output.pointer;
 757         if (!result)
 758                 dprintk("No return object [%s]\n", method);
 759
 760         return result;
 761 }
 762
 763 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
 764                 int *result)
 765 {
 766         union acpi_object *object = NULL;
 767         if (value) {
 768                 u64 v = *value;
 769                 object = __call_snc_method(handle, name, &v);
 770         } else
 771                 object = __call_snc_method(handle, name, NULL);
 772
 773         if (!object)
 774                 return -EINVAL;
 775
 776         if (object->type != ACPI_TYPE_INTEGER) {
 777                 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
 778                                 ACPI_TYPE_INTEGER, object->type);
 779                 kfree(object);
 780                 return -EINVAL;
 781         }
 782
 783         if (result)
 784                 *result = object->integer.value;
 785
 786         kfree(object);
 787         return 0;
 788 }
 789
 790 #define MIN(a, b)       (a > b ? b : a)
 791 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
 792                 void *buffer, size_t buflen)
 793 {
 794         int ret = 0;
 795         size_t len = len;
 796         union acpi_object *object = __call_snc_method(handle, name, value);
 797
 798         if (!object)
 799                 return -EINVAL;
 800
 801         if (object->type == ACPI_TYPE_BUFFER) {
 802                 len = MIN(buflen, object->buffer.length);
 803                 memcpy(buffer, object->buffer.pointer, len);
 804
 805         } else if (object->type == ACPI_TYPE_INTEGER) {
 806                 len = MIN(buflen, sizeof(object->integer.value));
 807                 memcpy(buffer, &object->integer.value, len);
 808
 809         } else {
 810                 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
 811                                 ACPI_TYPE_BUFFER, object->type);
 812                 ret = -EINVAL;
 813         }
 814
 815         kfree(object);
 816         return ret;
 817 }
 818
 819 struct sony_nc_handles {
 820         u16 cap[0x10];
 821         struct device_attribute devattr;
 822 };
 823
 824 static struct sony_nc_handles *handles;
 825
 826 static ssize_t sony_nc_handles_show(struct device *dev,
 827                 struct device_attribute *attr, char *buffer)
 828 {
 829         ssize_t len = 0;
 830         int i;
 831
 832         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 833                 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
 834                                 handles->cap[i]);
 835         }
 836         len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
 837
 838         return len;
 839 }
 840
 841 static int sony_nc_handles_setup(struct platform_device *pd)
 842 {
 843         int i, r, result, arg;
 844
 845         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
 846         if (!handles)
 847                 return -ENOMEM;
 848
 849         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 850                 arg = i + 0x20;
 851                 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
 852                                         &result);
 853                 if (!r) {
 854                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
 855                                         result, i);
 856                         handles->cap[i] = result;
 857                 }
 858         }
 859
 860         if (debug) {
 861                 sysfs_attr_init(&handles->devattr.attr);
 862                 handles->devattr.attr.name = "handles";
 863                 handles->devattr.attr.mode = S_IRUGO;
 864                 handles->devattr.show = sony_nc_handles_show;
 865
 866                 /* allow reading capabilities via sysfs */
 867                 if (device_create_file(&pd->dev, &handles->devattr)) {
 868                         kfree(handles);
 869                         handles = NULL;
 870                         return -1;
 871                 }
 872         }
 873
 874         return 0;
 875 }
 876
 877 static int sony_nc_handles_cleanup(struct platform_device *pd)
 878 {
 879         if (handles) {
 880                 if (debug)
 881                         device_remove_file(&pd->dev, &handles->devattr);
 882                 kfree(handles);
 883                 handles = NULL;
 884         }
 885         return 0;
 886 }
 887
 888 static int sony_find_snc_handle(int handle)
 889 {
 890         int i;
 891
 892         /* not initialized yet, return early */
 893         if (!handles || !handle)
 894                 return -EINVAL;
 895
 896         for (i = 0; i < 0x10; i++) {
 897                 if (handles->cap[i] == handle) {
 898                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
 899                                         handle, i);
 900                         return i;
 901                 }
 902         }
 903         dprintk("handle 0x%.4x not found\n", handle);
 904         return -EINVAL;
 905 }
 906
 907 static int sony_call_snc_handle(int handle, int argument, int *result)
 908 {
 909         int arg, ret = 0;
 910         int offset = sony_find_snc_handle(handle);
 911
 912         if (offset < 0)
 913                 return offset;
 914
 915         arg = offset | argument;
 916         ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
 917         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
 918         return ret;
 919 }
 920
 921 /*
 922  * sony_nc_values input/output validate functions
 923  */
 924
 925 /* brightness_default_validate:
 926  *
 927  * manipulate input output values to keep consistency with the
 928  * backlight framework for which brightness values are 0-based.
 929  */
 930 static int brightness_default_validate(const int direction, const int value)
 931 {
 932         switch (direction) {
 933                 case SNC_VALIDATE_OUT:
 934                         return value - 1;
 935                 case SNC_VALIDATE_IN:
 936                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 937                                 return value + 1;
 938         }
 939         return -EINVAL;
 940 }
 941
 942 /* boolean_validate:
 943  *
 944  * on input validate boolean values 0/1, on output just pass the
 945  * received value.
 946  */
 947 static int boolean_validate(const int direction, const int value)
 948 {
 949         if (direction == SNC_VALIDATE_IN) {
 950                 if (value != 0 && value != 1)
 951                         return -EINVAL;
 952         }
 953         return value;
 954 }
 955
 956 /*
 957  * Sysfs show/store common to all sony_nc_values
 958  */
 959 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 960                               char *buffer)
 961 {
 962         int value, ret = 0;
 963         struct sony_nc_value *item =
 964             container_of(attr, struct sony_nc_value, devattr);
 965
 966         if (!*item->acpiget)
 967                 return -EIO;
 968
 969         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
 970                                 &value);
 971         if (ret < 0)
 972                 return -EIO;
 973
 974         if (item->validate)
 975                 value = item->validate(SNC_VALIDATE_OUT, value);
 976
 977         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 978 }
 979
 980 static ssize_t sony_nc_sysfs_store(struct device *dev,
 981                                struct device_attribute *attr,
 982                                const char *buffer, size_t count)
 983 {
 984         int value;
 985         int ret = 0;
 986         struct sony_nc_value *item =
 987             container_of(attr, struct sony_nc_value, devattr);
 988
 989         if (!item->acpiset)
 990                 return -EIO;
 991
 992         if (count > 31)
 993                 return -EINVAL;
 994
 995         if (kstrtoint(buffer, 10, &value))
 996                 return -EINVAL;
 997
 998         if (item->validate)
 999                 value = item->validate(SNC_VALIDATE_IN, value);
1000
1001         if (value < 0)
1002                 return value;
1003
1004         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1005                                &value, NULL);
1006         if (ret < 0)
1007                 return -EIO;
1008
1009         item->value = value;
1010         item->valid = 1;
1011         return count;
1012 }
1013
1014
1015 /*
1016  * Backlight device
1017  */
1018 struct sony_backlight_props {
1019         struct backlight_device *dev;
1020         int                     handle;
1021         int                     cmd_base;
1022         u8                      offset;
1023         u8                      maxlvl;
1024 };
1025 struct sony_backlight_props sony_bl_props;
1026
1027 static int sony_backlight_update_status(struct backlight_device *bd)
1028 {
1029         int arg = bd->props.brightness + 1;
1030         return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1031 }
1032
1033 static int sony_backlight_get_brightness(struct backlight_device *bd)
1034 {
1035         int value;
1036
1037         if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1038                 return 0;
1039         /* brightness levels are 1-based, while backlight ones are 0-based */
1040         return value - 1;
1041 }
1042
1043 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1044 {
1045         int result;
1046         struct sony_backlight_props *sdev =
1047                 (struct sony_backlight_props *)bl_get_data(bd);
1048
1049         sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1050
1051         return (result & 0xff) - sdev->offset;
1052 }
1053
1054 static int sony_nc_update_status_ng(struct backlight_device *bd)
1055 {
1056         int value, result;
1057         struct sony_backlight_props *sdev =
1058                 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060         value = bd->props.brightness + sdev->offset;
1061         if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1062                                 &result))
1063                 return -EIO;
1064
1065         return value;
1066 }
1067
1068 static const struct backlight_ops sony_backlight_ops = {
1069         .options = BL_CORE_SUSPENDRESUME,
1070         .update_status = sony_backlight_update_status,
1071         .get_brightness = sony_backlight_get_brightness,
1072 };
1073 static const struct backlight_ops sony_backlight_ng_ops = {
1074         .options = BL_CORE_SUSPENDRESUME,
1075         .update_status = sony_nc_update_status_ng,
1076         .get_brightness = sony_nc_get_brightness_ng,
1077 };
1078
1079 /*
1080  * New SNC-only Vaios event mapping to driver known keys
1081  */
1082 struct sony_nc_event {
1083         u8      data;
1084         u8      event;
1085 };
1086
1087 static struct sony_nc_event sony_100_events[] = {
1088         { 0x90, SONYPI_EVENT_PKEY_P1 },
1089         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1090         { 0x91, SONYPI_EVENT_PKEY_P2 },
1091         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1092         { 0x81, SONYPI_EVENT_FNKEY_F1 },
1093         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1094         { 0x82, SONYPI_EVENT_FNKEY_F2 },
1095         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1096         { 0x83, SONYPI_EVENT_FNKEY_F3 },
1097         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1098         { 0x84, SONYPI_EVENT_FNKEY_F4 },
1099         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1100         { 0x85, SONYPI_EVENT_FNKEY_F5 },
1101         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1102         { 0x86, SONYPI_EVENT_FNKEY_F6 },
1103         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1104         { 0x87, SONYPI_EVENT_FNKEY_F7 },
1105         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1106         { 0x88, SONYPI_EVENT_FNKEY_F8 },
1107         { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1108         { 0x89, SONYPI_EVENT_FNKEY_F9 },
1109         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1110         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1111         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1112         { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1113         { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1114         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1115         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1116         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1117         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1119         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1121         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1122         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1123         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1124         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1125         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1127         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128         { 0, 0 },
1129 };
1130
1131 static struct sony_nc_event sony_127_events[] = {
1132         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1133         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134         { 0x82, SONYPI_EVENT_PKEY_P1 },
1135         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136         { 0x83, SONYPI_EVENT_PKEY_P2 },
1137         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138         { 0x84, SONYPI_EVENT_PKEY_P3 },
1139         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1140         { 0x85, SONYPI_EVENT_PKEY_P4 },
1141         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1142         { 0x86, SONYPI_EVENT_PKEY_P5 },
1143         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1144         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1145         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1146         { 0, 0 },
1147 };
1148
1149 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1150 {
1151         int ret = -EINVAL;
1152         unsigned int result = 0;
1153         struct sony_nc_event *key_event;
1154
1155         if (sony_call_snc_handle(handle, 0x200, &result)) {
1156                 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1157                                 event);
1158                 return -EINVAL;
1159         }
1160
1161         result &= 0xFF;
1162
1163         if (handle == 0x0100)
1164                 key_event = sony_100_events;
1165         else
1166                 key_event = sony_127_events;
1167
1168         for (; key_event->data; key_event++) {
1169                 if (key_event->data == result) {
1170                         ret = key_event->event;
1171                         break;
1172                 }
1173         }
1174
1175         if (!key_event->data)
1176                 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1177                                 event, result, handle);
1178
1179         return ret;
1180 }
1181
1182 /*
1183  * ACPI callbacks
1184  */
1185 enum event_types {
1186         HOTKEY = 1,
1187         KILLSWITCH,
1188         GFX_SWITCH
1189 };
1190 static void sony_nc_notify(struct acpi_device *device, u32 event)
1191 {
1192         u32 real_ev = event;
1193         u8 ev_type = 0;
1194         dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1195
1196         if (event >= 0x90) {
1197                 unsigned int result = 0;
1198                 unsigned int arg = 0;
1199                 unsigned int handle = 0;
1200                 unsigned int offset = event - 0x90;
1201
1202                 if (offset >= ARRAY_SIZE(handles->cap)) {
1203                         pr_err("Event 0x%x outside of capabilities list\n",
1204                                         event);
1205                         return;
1206                 }
1207                 handle = handles->cap[offset];
1208
1209                 /* list of handles known for generating events */
1210                 switch (handle) {
1211                 /* hotkey event */
1212                 case 0x0100:
1213                 case 0x0127:
1214                         ev_type = HOTKEY;
1215                         real_ev = sony_nc_hotkeys_decode(event, handle);
1216
1217                         if (real_ev > 0)
1218                                 sony_laptop_report_input_event(real_ev);
1219                         else
1220                                 /* restore the original event for reporting */
1221                                 real_ev = event;
1222
1223                         break;
1224
1225                 /* wlan switch */
1226                 case 0x0124:
1227                 case 0x0135:
1228                         /* events on this handle are reported when the
1229                          * switch changes position or for battery
1230                          * events. We'll notify both of them but only
1231                          * update the rfkill device status when the
1232                          * switch is moved.
1233                          */
1234                         ev_type = KILLSWITCH;
1235                         sony_call_snc_handle(handle, 0x0100, &result);
1236                         real_ev = result & 0x03;
1237
1238                         /* hw switch event */
1239                         if (real_ev == 1)
1240                                 sony_nc_rfkill_update();
1241
1242                         break;
1243
1244                 case 0x0128:
1245                 case 0x0146:
1246                         /* Hybrid GFX switching */
1247                         sony_call_snc_handle(handle, 0x0000, &result);
1248                         dprintk("GFX switch event received (reason: %s)\n",
1249                                         (result == 0x1) ? "switch change" :
1250                                         (result == 0x2) ? "output switch" :
1251                                         (result == 0x3) ? "output switch" :
1252                                         "");
1253
1254                         ev_type = GFX_SWITCH;
1255                         real_ev = __sony_nc_gfx_switch_status_get();
1256                         break;
1257
1258                 default:
1259                         dprintk("Unknown event 0x%x for handle 0x%x\n",
1260                                         event, handle);
1261                         break;
1262                 }
1263
1264                 /* clear the event (and the event reason when present) */
1265                 arg = 1 << offset;
1266                 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1267
1268         } else {
1269                 /* old style event */
1270                 ev_type = HOTKEY;
1271                 sony_laptop_report_input_event(real_ev);
1272         }
1273
1274         acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1275
1276         acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1277                         dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1278 }
1279
1280 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1281                                       void *context, void **return_value)
1282 {
1283         struct acpi_device_info *info;
1284
1285         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1286                 pr_warn("method: name: %4.4s, args %X\n",
1287                         (char *)&info->name, info->param_count);
1288
1289                 kfree(info);
1290         }
1291
1292         return AE_OK;
1293 }
1294
1295 /*
1296  * ACPI device
1297  */
1298 static void sony_nc_function_setup(struct acpi_device *device,
1299                 struct platform_device *pf_device)
1300 {
1301         unsigned int i, result, bitmask, arg;
1302
1303         if (!handles)
1304                 return;
1305
1306         /* setup found handles here */
1307         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1308                 unsigned int handle = handles->cap[i];
1309
1310                 if (!handle)
1311                         continue;
1312
1313                 dprintk("setting up handle 0x%.4x\n", handle);
1314
1315                 switch (handle) {
1316                 case 0x0100:
1317                 case 0x0101:
1318                 case 0x0127:
1319                         /* setup hotkeys */
1320                         sony_call_snc_handle(handle, 0, &result);
1321                         break;
1322                 case 0x0102:
1323                         /* setup hotkeys */
1324                         sony_call_snc_handle(handle, 0x100, &result);
1325                         break;
1326                 case 0x0105:
1327                 case 0x0148:
1328                         /* touchpad enable/disable */
1329                         result = sony_nc_touchpad_setup(pf_device, handle);
1330                         if (result)
1331                                 pr_err("couldn't set up touchpad control function (%d)\n",
1332                                                 result);
1333                         break;
1334                 case 0x0115:
1335                 case 0x0136:
1336                 case 0x013f:
1337                         result = sony_nc_battery_care_setup(pf_device, handle);
1338                         if (result)
1339                                 pr_err("couldn't set up battery care function (%d)\n",
1340                                                 result);
1341                         break;
1342                 case 0x0119:
1343                         result = sony_nc_lid_resume_setup(pf_device);
1344                         if (result)
1345                                 pr_err("couldn't set up lid resume function (%d)\n",
1346                                                 result);
1347                         break;
1348                 case 0x0122:
1349                         result = sony_nc_thermal_setup(pf_device);
1350                         if (result)
1351                                 pr_err("couldn't set up thermal profile function (%d)\n",
1352                                                 result);
1353                         break;
1354                 case 0x0128:
1355                 case 0x0146:
1356                         result = sony_nc_gfx_switch_setup(pf_device, handle);
1357                         if (result)
1358                                 pr_err("couldn't set up GFX Switch status (%d)\n",
1359                                                 result);
1360                         break;
1361                 case 0x0131:
1362                         result = sony_nc_highspeed_charging_setup(pf_device);
1363                         if (result)
1364                                 pr_err("couldn't set up high speed charging function (%d)\n",
1365                                        result);
1366                         break;
1367                 case 0x0124:
1368                 case 0x0135:
1369                         result = sony_nc_rfkill_setup(device, handle);
1370                         if (result)
1371                                 pr_err("couldn't set up rfkill support (%d)\n",
1372                                                 result);
1373                         break;
1374                 case 0x0137:
1375                 case 0x0143:
1376                 case 0x014b:
1377                 case 0x014c:
1378                         result = sony_nc_kbd_backlight_setup(pf_device, handle);
1379                         if (result)
1380                                 pr_err("couldn't set up keyboard backlight function (%d)\n",
1381                                                 result);
1382                         break;
1383                 default:
1384                         continue;
1385                 }
1386         }
1387
1388         /* Enable all events */
1389         arg = 0x10;
1390         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1391                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1392                                 &result);
1393 }
1394
1395 static void sony_nc_function_cleanup(struct platform_device *pd)
1396 {
1397         unsigned int i, result, bitmask, handle;
1398
1399         /* get enabled events and disable them */
1400         sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1401         sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1402
1403         /* cleanup handles here */
1404         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1405
1406                 handle = handles->cap[i];
1407
1408                 if (!handle)
1409                         continue;
1410
1411                 switch (handle) {
1412                 case 0x0105:
1413                 case 0x0148:
1414                         sony_nc_touchpad_cleanup(pd);
1415                         break;
1416                 case 0x0115:
1417                 case 0x0136:
1418                 case 0x013f:
1419                         sony_nc_battery_care_cleanup(pd);
1420                         break;
1421                 case 0x0119:
1422                         sony_nc_lid_resume_cleanup(pd);
1423                         break;
1424                 case 0x0122:
1425                         sony_nc_thermal_cleanup(pd);
1426                         break;
1427                 case 0x0128:
1428                 case 0x0146:
1429                         sony_nc_gfx_switch_cleanup(pd);
1430                         break;
1431                 case 0x0131:
1432                         sony_nc_highspeed_charging_cleanup(pd);
1433                         break;
1434                 case 0x0124:
1435                 case 0x0135:
1436                         sony_nc_rfkill_cleanup();
1437                         break;
1438                 case 0x0137:
1439                 case 0x0143:
1440                 case 0x014b:
1441                 case 0x014c:
1442                         sony_nc_kbd_backlight_cleanup(pd);
1443                         break;
1444                 default:
1445                         continue;
1446                 }
1447         }
1448
1449         /* finally cleanup the handles list */
1450         sony_nc_handles_cleanup(pd);
1451 }
1452
1453 #ifdef CONFIG_PM_SLEEP
1454 static void sony_nc_function_resume(void)
1455 {
1456         unsigned int i, result, bitmask, arg;
1457
1458         dprintk("Resuming SNC device\n");
1459
1460         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1461                 unsigned int handle = handles->cap[i];
1462
1463                 if (!handle)
1464                         continue;
1465
1466                 switch (handle) {
1467                 case 0x0100:
1468                 case 0x0101:
1469                 case 0x0127:
1470                         /* re-enable hotkeys */
1471                         sony_call_snc_handle(handle, 0, &result);
1472                         break;
1473                 case 0x0102:
1474                         /* re-enable hotkeys */
1475                         sony_call_snc_handle(handle, 0x100, &result);
1476                         break;
1477                 case 0x0122:
1478                         sony_nc_thermal_resume();
1479                         break;
1480                 case 0x0124:
1481                 case 0x0135:
1482                         sony_nc_rfkill_update();
1483                         break;
1484                 case 0x0137:
1485                 case 0x0143:
1486                 case 0x014b:
1487                 case 0x014c:
1488                         sony_nc_kbd_backlight_resume();
1489                         break;
1490                 default:
1491                         continue;
1492                 }
1493         }
1494
1495         /* Enable all events */
1496         arg = 0x10;
1497         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1498                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1499                                 &result);
1500 }
1501
1502 static int sony_nc_resume(struct device *dev)
1503 {
1504         struct sony_nc_value *item;
1505         acpi_handle handle;
1506
1507         for (item = sony_nc_values; item->name; item++) {
1508                 int ret;
1509
1510                 if (!item->valid)
1511                         continue;
1512                 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1513                                        &item->value, NULL);
1514                 if (ret < 0) {
1515                         pr_err("%s: %d\n", __func__, ret);
1516                         break;
1517                 }
1518         }
1519
1520         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1521                                          &handle))) {
1522                 int arg = 1;
1523                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1524                         dprintk("ECON Method failed\n");
1525         }
1526
1527         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1528                                          &handle)))
1529                 sony_nc_function_resume();
1530
1531         return 0;
1532 }
1533 #endif
1534
1535 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1536
1537 static void sony_nc_rfkill_cleanup(void)
1538 {
1539         int i;
1540
1541         for (i = 0; i < N_SONY_RFKILL; i++) {
1542                 if (sony_rfkill_devices[i]) {
1543                         rfkill_unregister(sony_rfkill_devices[i]);
1544                         rfkill_destroy(sony_rfkill_devices[i]);
1545                 }
1546         }
1547 }
1548
1549 static int sony_nc_rfkill_set(void *data, bool blocked)
1550 {
1551         int result;
1552         int argument = sony_rfkill_address[(long) data] + 0x100;
1553
1554         if (!blocked)
1555                 argument |= 0x070000;
1556
1557         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1558 }
1559
1560 static const struct rfkill_ops sony_rfkill_ops = {
1561         .set_block = sony_nc_rfkill_set,
1562 };
1563
1564 static int sony_nc_setup_rfkill(struct acpi_device *device,
1565                                 enum sony_nc_rfkill nc_type)
1566 {
1567         int err = 0;
1568         struct rfkill *rfk;
1569         enum rfkill_type type;
1570         const char *name;
1571         int result;
1572         bool hwblock, swblock;
1573
1574         switch (nc_type) {
1575         case SONY_WIFI:
1576                 type = RFKILL_TYPE_WLAN;
1577                 name = "sony-wifi";
1578                 break;
1579         case SONY_BLUETOOTH:
1580                 type = RFKILL_TYPE_BLUETOOTH;
1581                 name = "sony-bluetooth";
1582                 break;
1583         case SONY_WWAN:
1584                 type = RFKILL_TYPE_WWAN;
1585                 name = "sony-wwan";
1586                 break;
1587         case SONY_WIMAX:
1588                 type = RFKILL_TYPE_WIMAX;
1589                 name = "sony-wimax";
1590                 break;
1591         default:
1592                 return -EINVAL;
1593         }
1594
1595         rfk = rfkill_alloc(name, &device->dev, type,
1596                            &sony_rfkill_ops, (void *)nc_type);
1597         if (!rfk)
1598                 return -ENOMEM;
1599
1600         if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1601                 rfkill_destroy(rfk);
1602                 return -1;
1603         }
1604         hwblock = !(result & 0x1);
1605
1606         if (sony_call_snc_handle(sony_rfkill_handle,
1607                                 sony_rfkill_address[nc_type],
1608                                 &result) < 0) {
1609                 rfkill_destroy(rfk);
1610                 return -1;
1611         }
1612         swblock = !(result & 0x2);
1613
1614         rfkill_init_sw_state(rfk, swblock);
1615         rfkill_set_hw_state(rfk, hwblock);
1616
1617         err = rfkill_register(rfk);
1618         if (err) {
1619                 rfkill_destroy(rfk);
1620                 return err;
1621         }
1622         sony_rfkill_devices[nc_type] = rfk;
1623         return err;
1624 }
1625
1626 static void sony_nc_rfkill_update(void)
1627 {
1628         enum sony_nc_rfkill i;
1629         int result;
1630         bool hwblock;
1631
1632         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1633         hwblock = !(result & 0x1);
1634
1635         for (i = 0; i < N_SONY_RFKILL; i++) {
1636                 int argument = sony_rfkill_address[i];
1637
1638                 if (!sony_rfkill_devices[i])
1639                         continue;
1640
1641                 if (hwblock) {
1642                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1643                                 /* we already know we're blocked */
1644                         }
1645                         continue;
1646                 }
1647
1648                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1649                 rfkill_set_states(sony_rfkill_devices[i],
1650                                   !(result & 0x2), false);
1651         }
1652 }
1653
1654 static int sony_nc_rfkill_setup(struct acpi_device *device,
1655                 unsigned int handle)
1656 {
1657         u64 offset;
1658         int i;
1659         unsigned char buffer[32] = { 0 };
1660
1661         offset = sony_find_snc_handle(handle);
1662         sony_rfkill_handle = handle;
1663
1664         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1665                         32);
1666         if (i < 0)
1667                 return i;
1668
1669         /* The buffer is filled with magic numbers describing the devices
1670          * available, 0xff terminates the enumeration.
1671          * Known codes:
1672          *      0x00 WLAN
1673          *      0x10 BLUETOOTH
1674          *      0x20 WWAN GPRS-EDGE
1675          *      0x21 WWAN HSDPA
1676          *      0x22 WWAN EV-DO
1677          *      0x23 WWAN GPS
1678          *      0x25 Gobi WWAN no GPS
1679          *      0x26 Gobi WWAN + GPS
1680          *      0x28 Gobi WWAN no GPS
1681          *      0x29 Gobi WWAN + GPS
1682          *      0x30 WIMAX
1683          *      0x50 Gobi WWAN no GPS
1684          *      0x51 Gobi WWAN + GPS
1685          *      0x70 no SIM card slot
1686          *      0x71 SIM card slot
1687          */
1688         for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1689
1690                 if (buffer[i] == 0xff)
1691                         break;
1692
1693                 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1694
1695                 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1696                         sony_nc_setup_rfkill(device, SONY_WIFI);
1697
1698                 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1699                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1700
1701                 if (((0xf0 & buffer[i]) == 0x20 ||
1702                                         (0xf0 & buffer[i]) == 0x50) &&
1703                                 !sony_rfkill_devices[SONY_WWAN])
1704                         sony_nc_setup_rfkill(device, SONY_WWAN);
1705
1706                 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1707                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1708         }
1709         return 0;
1710 }
1711
1712 /* Keyboard backlight feature */
1713 struct kbd_backlight {
1714         unsigned int handle;
1715         unsigned int base;
1716         unsigned int mode;
1717         unsigned int timeout;
1718         struct device_attribute mode_attr;
1719         struct device_attribute timeout_attr;
1720 };
1721
1722 static struct kbd_backlight *kbdbl_ctl;
1723
1724 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1725 {
1726         int result;
1727
1728         if (value > 1)
1729                 return -EINVAL;
1730
1731         if (sony_call_snc_handle(kbdbl_ctl->handle,
1732                                 (value << 0x10) | (kbdbl_ctl->base), &result))
1733                 return -EIO;
1734
1735         /* Try to turn the light on/off immediately */
1736         sony_call_snc_handle(kbdbl_ctl->handle,
1737                         (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1738
1739         kbdbl_ctl->mode = value;
1740
1741         return 0;
1742 }
1743
1744 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1745                 struct device_attribute *attr,
1746                 const char *buffer, size_t count)
1747 {
1748         int ret = 0;
1749         unsigned long value;
1750
1751         if (count > 31)
1752                 return -EINVAL;
1753
1754         if (kstrtoul(buffer, 10, &value))
1755                 return -EINVAL;
1756
1757         ret = __sony_nc_kbd_backlight_mode_set(value);
1758         if (ret < 0)
1759                 return ret;
1760
1761         return count;
1762 }
1763
1764 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1765                 struct device_attribute *attr, char *buffer)
1766 {
1767         ssize_t count = 0;
1768         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1769         return count;
1770 }
1771
1772 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1773 {
1774         int result;
1775
1776         if (value > 3)
1777                 return -EINVAL;
1778
1779         if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1780                                 (kbdbl_ctl->base + 0x200), &result))
1781                 return -EIO;
1782
1783         kbdbl_ctl->timeout = value;
1784
1785         return 0;
1786 }
1787
1788 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1789                 struct device_attribute *attr,
1790                 const char *buffer, size_t count)
1791 {
1792         int ret = 0;
1793         unsigned long value;
1794
1795         if (count > 31)
1796                 return -EINVAL;
1797
1798         if (kstrtoul(buffer, 10, &value))
1799                 return -EINVAL;
1800
1801         ret = __sony_nc_kbd_backlight_timeout_set(value);
1802         if (ret < 0)
1803                 return ret;
1804
1805         return count;
1806 }
1807
1808 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1809                 struct device_attribute *attr, char *buffer)
1810 {
1811         ssize_t count = 0;
1812         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1813         return count;
1814 }
1815
1816 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1817                 unsigned int handle)
1818 {
1819         int result;
1820         int ret = 0;
1821
1822         /* verify the kbd backlight presence, these handles are not used for
1823          * keyboard backlight only
1824          */
1825         ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1826                         &result);
1827         if (ret)
1828                 return ret;
1829
1830         if ((handle == 0x0137 && !(result & 0x02)) ||
1831                         !(result & 0x01)) {
1832                 dprintk("no backlight keyboard found\n");
1833                 return 0;
1834         }
1835
1836         kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1837         if (!kbdbl_ctl)
1838                 return -ENOMEM;
1839
1840         kbdbl_ctl->handle = handle;
1841         if (handle == 0x0137)
1842                 kbdbl_ctl->base = 0x0C00;
1843         else
1844                 kbdbl_ctl->base = 0x4000;
1845
1846         sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1847         kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1848         kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1849         kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1850         kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1851
1852         sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1853         kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1854         kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1855         kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1856         kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1857
1858         ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1859         if (ret)
1860                 goto outkzalloc;
1861
1862         ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1863         if (ret)
1864                 goto outmode;
1865
1866         __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1867         __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1868
1869         return 0;
1870
1871 outmode:
1872         device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1873 outkzalloc:
1874         kfree(kbdbl_ctl);
1875         kbdbl_ctl = NULL;
1876         return ret;
1877 }
1878
1879 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1880 {
1881         if (kbdbl_ctl) {
1882                 int result;
1883
1884                 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1885                 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1886
1887                 /* restore the default hw behaviour */
1888                 sony_call_snc_handle(kbdbl_ctl->handle,
1889                                 kbdbl_ctl->base | 0x10000, &result);
1890                 sony_call_snc_handle(kbdbl_ctl->handle,
1891                                 kbdbl_ctl->base + 0x200, &result);
1892
1893                 kfree(kbdbl_ctl);
1894                 kbdbl_ctl = NULL;
1895         }
1896 }
1897
1898 #ifdef CONFIG_PM_SLEEP
1899 static void sony_nc_kbd_backlight_resume(void)
1900 {
1901         int ignore = 0;
1902
1903         if (!kbdbl_ctl)
1904                 return;
1905
1906         if (kbdbl_ctl->mode == 0)
1907                 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1908                                 &ignore);
1909
1910         if (kbdbl_ctl->timeout != 0)
1911                 sony_call_snc_handle(kbdbl_ctl->handle,
1912                                 (kbdbl_ctl->base + 0x200) |
1913                                 (kbdbl_ctl->timeout << 0x10), &ignore);
1914 }
1915 #endif
1916
1917 struct battery_care_control {
1918         struct device_attribute attrs[2];
1919         unsigned int handle;
1920 };
1921 static struct battery_care_control *bcare_ctl;
1922
1923 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1924                 struct device_attribute *attr,
1925                 const char *buffer, size_t count)
1926 {
1927         unsigned int result, cmd;
1928         unsigned long value;
1929
1930         if (count > 31)
1931                 return -EINVAL;
1932
1933         if (kstrtoul(buffer, 10, &value))
1934                 return -EINVAL;
1935
1936         /*  limit values (2 bits):
1937          *  00 - none
1938          *  01 - 80%
1939          *  10 - 50%
1940          *  11 - 100%
1941          *
1942          *  bit 0: 0 disable BCL, 1 enable BCL
1943          *  bit 1: 1 tell to store the battery limit (see bits 6,7) too
1944          *  bits 2,3: reserved
1945          *  bits 4,5: store the limit into the EC
1946          *  bits 6,7: store the limit into the battery
1947          */
1948         cmd = 0;
1949
1950         if (value > 0) {
1951                 if (value <= 50)
1952                         cmd = 0x20;
1953
1954                 else if (value <= 80)
1955                         cmd = 0x10;
1956
1957                 else if (value <= 100)
1958                         cmd = 0x30;
1959
1960                 else
1961                         return -EINVAL;
1962
1963                 /*
1964                  * handle 0x0115 should allow storing on battery too;
1965                  * handle 0x0136 same as 0x0115 + health status;
1966                  * handle 0x013f, same as 0x0136 but no storing on the battery
1967                  */
1968                 if (bcare_ctl->handle != 0x013f)
1969                         cmd = cmd | (cmd << 2);
1970
1971                 cmd = (cmd | 0x1) << 0x10;
1972         }
1973
1974         if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1975                 return -EIO;
1976
1977         return count;
1978 }
1979
1980 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1981                 struct device_attribute *attr, char *buffer)
1982 {
1983         unsigned int result, status;
1984
1985         if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1986                 return -EIO;
1987
1988         status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1989         switch (status) {
1990         case 1:
1991                 status = 80;
1992                 break;
1993         case 2:
1994                 status = 50;
1995                 break;
1996         case 3:
1997                 status = 100;
1998                 break;
1999         default:
2000                 status = 0;
2001                 break;
2002         }
2003
2004         return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2005 }
2006
2007 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2008                 struct device_attribute *attr, char *buffer)
2009 {
2010         ssize_t count = 0;
2011         unsigned int health;
2012
2013         if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2014                 return -EIO;
2015
2016         count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2017
2018         return count;
2019 }
2020
2021 static int sony_nc_battery_care_setup(struct platform_device *pd,
2022                 unsigned int handle)
2023 {
2024         int ret = 0;
2025
2026         bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2027         if (!bcare_ctl)
2028                 return -ENOMEM;
2029
2030         bcare_ctl->handle = handle;
2031
2032         sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2033         bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2034         bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2035         bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2036         bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2037
2038         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2039         if (ret)
2040                 goto outkzalloc;
2041
2042         /* 0x0115 is for models with no health reporting capability */
2043         if (handle == 0x0115)
2044                 return 0;
2045
2046         sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2047         bcare_ctl->attrs[1].attr.name = "battery_care_health";
2048         bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2049         bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2050
2051         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2052         if (ret)
2053                 goto outlimiter;
2054
2055         return 0;
2056
2057 outlimiter:
2058         device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2059
2060 outkzalloc:
2061         kfree(bcare_ctl);
2062         bcare_ctl = NULL;
2063
2064         return ret;
2065 }
2066
2067 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2068 {
2069         if (bcare_ctl) {
2070                 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2071                 if (bcare_ctl->handle != 0x0115)
2072                         device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2073
2074                 kfree(bcare_ctl);
2075                 bcare_ctl = NULL;
2076         }
2077 }
2078
2079 struct snc_thermal_ctrl {
2080         unsigned int mode;
2081         unsigned int profiles;
2082         struct device_attribute mode_attr;
2083         struct device_attribute profiles_attr;
2084 };
2085 static struct snc_thermal_ctrl *th_handle;
2086
2087 #define THM_PROFILE_MAX 3
2088 static const char * const snc_thermal_profiles[] = {
2089         "balanced",
2090         "silent",
2091         "performance"
2092 };
2093
2094 static int sony_nc_thermal_mode_set(unsigned short mode)
2095 {
2096         unsigned int result;
2097
2098         /* the thermal profile seems to be a two bit bitmask:
2099          * lsb -> silent
2100          * msb -> performance
2101          * no bit set is the normal operation and is always valid
2102          * Some vaio models only have "balanced" and "performance"
2103          */
2104         if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2105                 return -EINVAL;
2106
2107         if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2108                 return -EIO;
2109
2110         th_handle->mode = mode;
2111
2112         return 0;
2113 }
2114
2115 static int sony_nc_thermal_mode_get(void)
2116 {
2117         unsigned int result;
2118
2119         if (sony_call_snc_handle(0x0122, 0x0100, &result))
2120                 return -EIO;
2121
2122         return result & 0xff;
2123 }
2124
2125 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2126                 struct device_attribute *attr, char *buffer)
2127 {
2128         short cnt;
2129         size_t idx = 0;
2130
2131         for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2132                 if (!cnt || (th_handle->profiles & cnt))
2133                         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2134                                         snc_thermal_profiles[cnt]);
2135         }
2136         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2137
2138         return idx;
2139 }
2140
2141 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2142                 struct device_attribute *attr,
2143                 const char *buffer, size_t count)
2144 {
2145         unsigned short cmd;
2146         size_t len = count;
2147
2148         if (count == 0)
2149                 return -EINVAL;
2150
2151         /* skip the newline if present */
2152         if (buffer[len - 1] == '\n')
2153                 len--;
2154
2155         for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2156                 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2157                         break;
2158
2159         if (sony_nc_thermal_mode_set(cmd))
2160                 return -EIO;
2161
2162         return count;
2163 }
2164
2165 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2166                 struct device_attribute *attr, char *buffer)
2167 {
2168         ssize_t count = 0;
2169         int mode = sony_nc_thermal_mode_get();
2170
2171         if (mode < 0)
2172                 return mode;
2173
2174         count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2175
2176         return count;
2177 }
2178
2179 static int sony_nc_thermal_setup(struct platform_device *pd)
2180 {
2181         int ret = 0;
2182         th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2183         if (!th_handle)
2184                 return -ENOMEM;
2185
2186         ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2187         if (ret) {
2188                 pr_warn("couldn't to read the thermal profiles\n");
2189                 goto outkzalloc;
2190         }
2191
2192         ret = sony_nc_thermal_mode_get();
2193         if (ret < 0) {
2194                 pr_warn("couldn't to read the current thermal profile");
2195                 goto outkzalloc;
2196         }
2197         th_handle->mode = ret;
2198
2199         sysfs_attr_init(&th_handle->profiles_attr.attr);
2200         th_handle->profiles_attr.attr.name = "thermal_profiles";
2201         th_handle->profiles_attr.attr.mode = S_IRUGO;
2202         th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2203
2204         sysfs_attr_init(&th_handle->mode_attr.attr);
2205         th_handle->mode_attr.attr.name = "thermal_control";
2206         th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2207         th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2208         th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2209
2210         ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2211         if (ret)
2212                 goto outkzalloc;
2213
2214         ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2215         if (ret)
2216                 goto outprofiles;
2217
2218         return 0;
2219
2220 outprofiles:
2221         device_remove_file(&pd->dev, &th_handle->profiles_attr);
2222 outkzalloc:
2223         kfree(th_handle);
2224         th_handle = NULL;
2225         return ret;
2226 }
2227
2228 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2229 {
2230         if (th_handle) {
2231                 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2232                 device_remove_file(&pd->dev, &th_handle->mode_attr);
2233                 kfree(th_handle);
2234                 th_handle = NULL;
2235         }
2236 }
2237
2238 #ifdef CONFIG_PM_SLEEP
2239 static void sony_nc_thermal_resume(void)
2240 {
2241         unsigned int status = sony_nc_thermal_mode_get();
2242
2243         if (status != th_handle->mode)
2244                 sony_nc_thermal_mode_set(th_handle->mode);
2245 }
2246 #endif
2247
2248 /* resume on LID open */
2249 struct snc_lid_resume_control {
2250         struct device_attribute attrs[3];
2251         unsigned int status;
2252 };
2253 static struct snc_lid_resume_control *lid_ctl;
2254
2255 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2256                                         struct device_attribute *attr,
2257                                         const char *buffer, size_t count)
2258 {
2259         unsigned int result, pos;
2260         unsigned long value;
2261         if (count > 31)
2262                 return -EINVAL;
2263
2264         if (kstrtoul(buffer, 10, &value) || value > 1)
2265                 return -EINVAL;
2266
2267         /* the value we have to write to SNC is a bitmask:
2268          * +--------------+
2269          * | S3 | S4 | S5 |
2270          * +--------------+
2271          *   2    1    0
2272          */
2273         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2274                 pos = 2;
2275         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2276                 pos = 1;
2277         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2278                 pos = 0;
2279         else
2280                return -EINVAL;
2281
2282         if (value)
2283                 value = lid_ctl->status | (1 << pos);
2284         else
2285                 value = lid_ctl->status & ~(1 << pos);
2286
2287         if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2288                 return -EIO;
2289
2290         lid_ctl->status = value;
2291
2292         return count;
2293 }
2294
2295 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2296                                        struct device_attribute *attr, char *buffer)
2297 {
2298         unsigned int pos;
2299
2300         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2301                 pos = 2;
2302         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2303                 pos = 1;
2304         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2305                 pos = 0;
2306         else
2307                 return -EINVAL;
2308
2309         return snprintf(buffer, PAGE_SIZE, "%d\n",
2310                         (lid_ctl->status >> pos) & 0x01);
2311 }
2312
2313 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2314 {
2315         unsigned int result;
2316         int i;
2317
2318         if (sony_call_snc_handle(0x0119, 0x0000, &result))
2319                 return -EIO;
2320
2321         lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2322         if (!lid_ctl)
2323                 return -ENOMEM;
2324
2325         lid_ctl->status = result & 0x7;
2326
2327         sysfs_attr_init(&lid_ctl->attrs[0].attr);
2328         lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2329         lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2330         lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2331         lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2332
2333         sysfs_attr_init(&lid_ctl->attrs[1].attr);
2334         lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2335         lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2336         lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2337         lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2338
2339         sysfs_attr_init(&lid_ctl->attrs[2].attr);
2340         lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2341         lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2342         lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2343         lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2344
2345         for (i = 0; i < 3; i++) {
2346                 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2347                 if (result)
2348                         goto liderror;
2349         }
2350
2351         return 0;
2352
2353 liderror:
2354         for (i--; i >= 0; i--)
2355                 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2356
2357         kfree(lid_ctl);
2358         lid_ctl = NULL;
2359
2360         return result;
2361 }
2362
2363 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2364 {
2365         int i;
2366
2367         if (lid_ctl) {
2368                 for (i = 0; i < 3; i++)
2369                         device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2370
2371                 kfree(lid_ctl);
2372                 lid_ctl = NULL;
2373         }
2374 }
2375
2376 /* GFX Switch position */
2377 enum gfx_switch {
2378         SPEED,
2379         STAMINA,
2380         AUTO
2381 };
2382 struct snc_gfx_switch_control {
2383         struct device_attribute attr;
2384         unsigned int handle;
2385 };
2386 static struct snc_gfx_switch_control *gfxs_ctl;
2387
2388 /* returns 0 for speed, 1 for stamina */
2389 static int __sony_nc_gfx_switch_status_get(void)
2390 {
2391         unsigned int result;
2392
2393         if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result))
2394                 return -EIO;
2395
2396         switch (gfxs_ctl->handle) {
2397         case 0x0146:
2398                 /* 1: discrete GFX (speed)
2399                  * 0: integrated GFX (stamina)
2400                  */
2401                 return result & 0x1 ? SPEED : STAMINA;
2402                 break;
2403         case 0x0128:
2404                 /* it's a more elaborated bitmask, for now:
2405                  * 2: integrated GFX (stamina)
2406                  * 0: discrete GFX (speed)
2407                  */
2408                 dprintk("GFX Status: 0x%x\n", result);
2409                 return result & 0x80 ? AUTO :
2410                         result & 0x02 ? STAMINA : SPEED;
2411                 break;
2412         }
2413         return -EINVAL;
2414 }
2415
2416 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2417                                        struct device_attribute *attr,
2418                                        char *buffer)
2419 {
2420         int pos = __sony_nc_gfx_switch_status_get();
2421
2422         if (pos < 0)
2423                 return pos;
2424
2425         return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina");
2426 }
2427
2428 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2429                 unsigned int handle)
2430 {
2431         unsigned int result;
2432
2433         gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2434         if (!gfxs_ctl)
2435                 return -ENOMEM;
2436
2437         gfxs_ctl->handle = handle;
2438
2439         sysfs_attr_init(&gfxs_ctl->attr.attr);
2440         gfxs_ctl->attr.attr.name = "gfx_switch_status";
2441         gfxs_ctl->attr.attr.mode = S_IRUGO;
2442         gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2443
2444         result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2445         if (result)
2446                 goto gfxerror;
2447
2448         return 0;
2449
2450 gfxerror:
2451         kfree(gfxs_ctl);
2452         gfxs_ctl = NULL;
2453
2454         return result;
2455 }
2456
2457 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2458 {
2459         if (gfxs_ctl) {
2460                 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2461
2462                 kfree(gfxs_ctl);
2463                 gfxs_ctl = NULL;
2464         }
2465 }
2466
2467 /* High speed charging function */
2468 static struct device_attribute *hsc_handle;
2469
2470 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2471                 struct device_attribute *attr,
2472                 const char *buffer, size_t count)
2473 {
2474         unsigned int result;
2475         unsigned long value;
2476
2477         if (count > 31)
2478                 return -EINVAL;
2479
2480         if (kstrtoul(buffer, 10, &value) || value > 1)
2481                 return -EINVAL;
2482
2483         if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2484                 return -EIO;
2485
2486         return count;
2487 }
2488
2489 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2490                 struct device_attribute *attr, char *buffer)
2491 {
2492         unsigned int result;
2493
2494         if (sony_call_snc_handle(0x0131, 0x0100, &result))
2495                 return -EIO;
2496
2497         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2498 }
2499
2500 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2501 {
2502         unsigned int result;
2503
2504         if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2505                 /* some models advertise the handle but have no implementation
2506                  * for it
2507                  */
2508                 pr_info("No High Speed Charging capability found\n");
2509                 return 0;
2510         }
2511
2512         hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2513         if (!hsc_handle)
2514                 return -ENOMEM;
2515
2516         sysfs_attr_init(&hsc_handle->attr);
2517         hsc_handle->attr.name = "battery_highspeed_charging";
2518         hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2519         hsc_handle->show = sony_nc_highspeed_charging_show;
2520         hsc_handle->store = sony_nc_highspeed_charging_store;
2521
2522         result = device_create_file(&pd->dev, hsc_handle);
2523         if (result) {
2524                 kfree(hsc_handle);
2525                 hsc_handle = NULL;
2526                 return result;
2527         }
2528
2529         return 0;
2530 }
2531
2532 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2533 {
2534         if (hsc_handle) {
2535                 device_remove_file(&pd->dev, hsc_handle);
2536                 kfree(hsc_handle);
2537                 hsc_handle = NULL;
2538         }
2539 }
2540
2541 /* Touchpad enable/disable */
2542 struct touchpad_control {
2543         struct device_attribute attr;
2544         int handle;
2545 };
2546 static struct touchpad_control *tp_ctl;
2547
2548 static ssize_t sony_nc_touchpad_store(struct device *dev,
2549                 struct device_attribute *attr, const char *buffer, size_t count)
2550 {
2551         unsigned int result;
2552         unsigned long value;
2553
2554         if (count > 31)
2555                 return -EINVAL;
2556
2557         if (kstrtoul(buffer, 10, &value) || value > 1)
2558                 return -EINVAL;
2559
2560         /* sysfs: 0 disabled, 1 enabled
2561          * EC: 0 enabled, 1 disabled
2562          */
2563         if (sony_call_snc_handle(tp_ctl->handle,
2564                                 (!value << 0x10) | 0x100, &result))
2565                 return -EIO;
2566
2567         return count;
2568 }
2569
2570 static ssize_t sony_nc_touchpad_show(struct device *dev,
2571                 struct device_attribute *attr, char *buffer)
2572 {
2573         unsigned int result;
2574
2575         if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2576                 return -EINVAL;
2577
2578         return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2579 }
2580
2581 static int sony_nc_touchpad_setup(struct platform_device *pd,
2582                 unsigned int handle)
2583 {
2584         int ret = 0;
2585
2586         tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2587         if (!tp_ctl)
2588                 return -ENOMEM;
2589
2590         tp_ctl->handle = handle;
2591
2592         sysfs_attr_init(&tp_ctl->attr.attr);
2593         tp_ctl->attr.attr.name = "touchpad";
2594         tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2595         tp_ctl->attr.show = sony_nc_touchpad_show;
2596         tp_ctl->attr.store = sony_nc_touchpad_store;
2597
2598         ret = device_create_file(&pd->dev, &tp_ctl->attr);
2599         if (ret) {
2600                 kfree(tp_ctl);
2601                 tp_ctl = NULL;
2602         }
2603
2604         return ret;
2605 }
2606
2607 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2608 {
2609         if (tp_ctl) {
2610                 device_remove_file(&pd->dev, &tp_ctl->attr);
2611                 kfree(tp_ctl);
2612                 tp_ctl = NULL;
2613         }
2614 }
2615
2616 static void sony_nc_backlight_ng_read_limits(int handle,
2617                 struct sony_backlight_props *props)
2618 {
2619         u64 offset;
2620         int i;
2621         int lvl_table_len = 0;
2622         u8 min = 0xff, max = 0x00;
2623         unsigned char buffer[32] = { 0 };
2624
2625         props->handle = handle;
2626         props->offset = 0;
2627         props->maxlvl = 0xff;
2628
2629         offset = sony_find_snc_handle(handle);
2630
2631         /* try to read the boundaries from ACPI tables, if we fail the above
2632          * defaults should be reasonable
2633          */
2634         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2635                         32);
2636         if (i < 0)
2637                 return;
2638
2639         switch (handle) {
2640         case 0x012f:
2641         case 0x0137:
2642                 lvl_table_len = 9;
2643                 break;
2644         case 0x143:
2645         case 0x14b:
2646         case 0x14c:
2647                 lvl_table_len = 16;
2648                 break;
2649         }
2650
2651         /* the buffer lists brightness levels available, brightness levels are
2652          * from position 0 to 8 in the array, other values are used by ALS
2653          * control.
2654          */
2655         for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2656
2657                 dprintk("Brightness level: %d\n", buffer[i]);
2658
2659                 if (!buffer[i])
2660                         break;
2661
2662                 if (buffer[i] > max)
2663                         max = buffer[i];
2664                 if (buffer[i] < min)
2665                         min = buffer[i];
2666         }
2667         props->offset = min;
2668         props->maxlvl = max;
2669         dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2670                         props->maxlvl);
2671 }
2672
2673 static void sony_nc_backlight_setup(void)
2674 {
2675         acpi_handle unused;
2676         int max_brightness = 0;
2677         const struct backlight_ops *ops = NULL;
2678         struct backlight_properties props;
2679
2680         if (sony_find_snc_handle(0x12f) >= 0) {
2681                 ops = &sony_backlight_ng_ops;
2682                 sony_bl_props.cmd_base = 0x0100;
2683                 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2684                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2685
2686         } else if (sony_find_snc_handle(0x137) >= 0) {
2687                 ops = &sony_backlight_ng_ops;
2688                 sony_bl_props.cmd_base = 0x0100;
2689                 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2690                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2691
2692         } else if (sony_find_snc_handle(0x143) >= 0) {
2693                 ops = &sony_backlight_ng_ops;
2694                 sony_bl_props.cmd_base = 0x3000;
2695                 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2696                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2697
2698         } else if (sony_find_snc_handle(0x14b) >= 0) {
2699                 ops = &sony_backlight_ng_ops;
2700                 sony_bl_props.cmd_base = 0x3000;
2701                 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2702                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2703
2704         } else if (sony_find_snc_handle(0x14c) >= 0) {
2705                 ops = &sony_backlight_ng_ops;
2706                 sony_bl_props.cmd_base = 0x3000;
2707                 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2708                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2709
2710         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2711                                                 &unused))) {
2712                 ops = &sony_backlight_ops;
2713                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2714
2715         } else
2716                 return;
2717
2718         memset(&props, 0, sizeof(struct backlight_properties));
2719         props.type = BACKLIGHT_PLATFORM;
2720         props.max_brightness = max_brightness;
2721         sony_bl_props.dev = backlight_device_register("sony", NULL,
2722                                                       &sony_bl_props,
2723                                                       ops, &props);
2724
2725         if (IS_ERR(sony_bl_props.dev)) {
2726                 pr_warn("unable to register backlight device\n");
2727                 sony_bl_props.dev = NULL;
2728         } else
2729                 sony_bl_props.dev->props.brightness =
2730                         ops->get_brightness(sony_bl_props.dev);
2731 }
2732
2733 static void sony_nc_backlight_cleanup(void)
2734 {
2735         if (sony_bl_props.dev)
2736                 backlight_device_unregister(sony_bl_props.dev);
2737 }
2738
2739 static int sony_nc_add(struct acpi_device *device)
2740 {
2741         acpi_status status;
2742         int result = 0;
2743         acpi_handle handle;
2744         struct sony_nc_value *item;
2745
2746         pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2747
2748         sony_nc_acpi_device = device;
2749         strcpy(acpi_device_class(device), "sony/hotkey");
2750
2751         sony_nc_acpi_handle = device->handle;
2752
2753         /* read device status */
2754         result = acpi_bus_get_status(device);
2755         /* bail IFF the above call was successful and the device is not present */
2756         if (!result && !device->status.present) {
2757                 dprintk("Device not present\n");
2758                 result = -ENODEV;
2759                 goto outwalk;
2760         }
2761
2762         result = sony_pf_add();
2763         if (result)
2764                 goto outpresent;
2765
2766         if (debug) {
2767                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2768                                 sony_nc_acpi_handle, 1, sony_walk_callback,
2769                                 NULL, NULL, NULL);
2770                 if (ACPI_FAILURE(status)) {
2771                         pr_warn("unable to walk acpi resources\n");
2772                         result = -ENODEV;
2773                         goto outpresent;
2774                 }
2775         }
2776
2777         result = sony_laptop_setup_input(device);
2778         if (result) {
2779                 pr_err("Unable to create input devices\n");
2780                 goto outplatform;
2781         }
2782
2783         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2784                                          &handle))) {
2785                 int arg = 1;
2786                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2787                         dprintk("ECON Method failed\n");
2788         }
2789
2790         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2791                                          &handle))) {
2792                 dprintk("Doing SNC setup\n");
2793                 /* retrieve the available handles */
2794                 result = sony_nc_handles_setup(sony_pf_device);
2795                 if (!result)
2796                         sony_nc_function_setup(device, sony_pf_device);
2797         }
2798
2799         /* setup input devices and helper fifo */
2800         if (acpi_video_backlight_support()) {
2801                 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2802         } else {
2803                 sony_nc_backlight_setup();
2804         }
2805
2806         /* create sony_pf sysfs attributes related to the SNC device */
2807         for (item = sony_nc_values; item->name; ++item) {
2808
2809                 if (!debug && item->debug)
2810                         continue;
2811
2812                 /* find the available acpiget as described in the DSDT */
2813                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2814                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2815                                                          *item->acpiget,
2816                                                          &handle))) {
2817                                 dprintk("Found %s getter: %s\n",
2818                                                 item->name, *item->acpiget);
2819                                 item->devattr.attr.mode |= S_IRUGO;
2820                                 break;
2821                         }
2822                 }
2823
2824                 /* find the available acpiset as described in the DSDT */
2825                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2826                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2827                                                          *item->acpiset,
2828                                                          &handle))) {
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         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4229         sonypi_compat_report_event(device_event);
4230         return IRQ_HANDLED;
4231 }
4232
4233 /*****************
4234  *
4235  *  ACPI driver
4236  *
4237  *****************/
4238 static int sony_pic_remove(struct acpi_device *device)
4239 {
4240         struct sony_pic_ioport *io, *tmp_io;
4241         struct sony_pic_irq *irq, *tmp_irq;
4242
4243         if (sony_pic_disable(device)) {
4244                 pr_err("Couldn't disable device\n");
4245                 return -ENXIO;
4246         }
4247
4248         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4249         release_region(spic_dev.cur_ioport->io1.minimum,
4250                         spic_dev.cur_ioport->io1.address_length);
4251         if (spic_dev.cur_ioport->io2.minimum)
4252                 release_region(spic_dev.cur_ioport->io2.minimum,
4253                                 spic_dev.cur_ioport->io2.address_length);
4254
4255         sonypi_compat_exit();
4256
4257         sony_laptop_remove_input();
4258
4259         /* pf attrs */
4260         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4261         sony_pf_remove();
4262
4263         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4264                 list_del(&io->list);
4265                 kfree(io);
4266         }
4267         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4268                 list_del(&irq->list);
4269                 kfree(irq);
4270         }
4271         spic_dev.cur_ioport = NULL;
4272         spic_dev.cur_irq = NULL;
4273
4274         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4275         return 0;
4276 }
4277
4278 static int sony_pic_add(struct acpi_device *device)
4279 {
4280         int result;
4281         struct sony_pic_ioport *io, *tmp_io;
4282         struct sony_pic_irq *irq, *tmp_irq;
4283
4284         pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4285
4286         spic_dev.acpi_dev = device;
4287         strcpy(acpi_device_class(device), "sony/hotkey");
4288         sony_pic_detect_device_type(&spic_dev);
4289         mutex_init(&spic_dev.lock);
4290
4291         /* read _PRS resources */
4292         result = sony_pic_possible_resources(device);
4293         if (result) {
4294                 pr_err("Unable to read possible resources\n");
4295                 goto err_free_resources;
4296         }
4297
4298         /* setup input devices and helper fifo */
4299         result = sony_laptop_setup_input(device);
4300         if (result) {
4301                 pr_err("Unable to create input devices\n");
4302                 goto err_free_resources;
4303         }
4304
4305         if (sonypi_compat_init())
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);