Pileus Git - ~andy/linux/blob - drivers/platform/x86/sony-laptop.c

   1 /*
   2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   3  *
   4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   6  *
   7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   8  * which are copyrighted by their respective authors.
   9  *
  10  * The SNY6001 driver part is based on the sonypi driver which includes
  11  * material from:
  12  *
  13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  14  *
  15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  16  *
  17  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  18  *
  19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  20  *
  21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  22  *
  23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  24  *
  25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  26  *
  27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  28  *
  29  * This program is free software; you can redistribute it and/or modify
  30  * it under the terms of the GNU General Public License as published by
  31  * the Free Software Foundation; either version 2 of the License, or
  32  * (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  42  *
  43  */
  44
  45 #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 <linux/sonypi.h>
  65 #include <linux/sony-laptop.h>
  66 #include <linux/rfkill.h>
  67 #ifdef CONFIG_SONYPI_COMPAT
  68 #include <linux/poll.h>
  69 #include <linux/miscdevice.h>
  70 #endif
  71 #include <asm/uaccess.h>
  72
  73 #define dprintk(fmt, ...)                       \
  74 do {                                            \
  75         if (debug)                              \
  76                 pr_warn(fmt, ##__VA_ARGS__);    \
  77 } while (0)
  78
  79 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
  80
  81 #define SONY_NC_CLASS           "sony-nc"
  82 #define SONY_NC_HID             "SNY5001"
  83 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  84
  85 #define SONY_PIC_CLASS          "sony-pic"
  86 #define SONY_PIC_HID            "SNY6001"
  87 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  88
  89 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  90 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  91 MODULE_LICENSE("GPL");
  92 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
  93
  94 static int debug;
  95 module_param(debug, int, 0);
  96 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  97                  "the development of this driver");
  98
  99 static int no_spic;             /* = 0 */
 100 module_param(no_spic, int, 0444);
 101 MODULE_PARM_DESC(no_spic,
 102                  "set this if you don't want to enable the SPIC device");
 103
 104 static int compat;              /* = 0 */
 105 module_param(compat, int, 0444);
 106 MODULE_PARM_DESC(compat,
 107                  "set this if you want to enable backward compatibility mode");
 108
 109 static unsigned long mask = 0xffffffff;
 110 module_param(mask, ulong, 0644);
 111 MODULE_PARM_DESC(mask,
 112                  "set this to the mask of event you want to enable (see doc)");
 113
 114 static int camera;              /* = 0 */
 115 module_param(camera, int, 0444);
 116 MODULE_PARM_DESC(camera,
 117                  "set this to 1 to enable Motion Eye camera controls "
 118                  "(only use it if you have a C1VE or C1VN model)");
 119
 120 #ifdef CONFIG_SONYPI_COMPAT
 121 static int minor = -1;
 122 module_param(minor, int, 0);
 123 MODULE_PARM_DESC(minor,
 124                  "minor number of the misc device for the SPIC compatibility code, "
 125                  "default is -1 (automatic)");
 126 #endif
 127
 128 static int kbd_backlight = -1;
 129 module_param(kbd_backlight, int, 0444);
 130 MODULE_PARM_DESC(kbd_backlight,
 131                  "set this to 0 to disable keyboard backlight, "
 132                  "1 to enable it (default: no change from current value)");
 133
 134 static int kbd_backlight_timeout = -1;
 135 module_param(kbd_backlight_timeout, int, 0444);
 136 MODULE_PARM_DESC(kbd_backlight_timeout,
 137                  "meaningful values vary from 0 to 3 and their meaning depends "
 138                  "on the model (default: no change from current value)");
 139
 140 #ifdef CONFIG_PM_SLEEP
 141 static void sony_nc_thermal_resume(void);
 142 #endif
 143 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
 144                 unsigned int handle);
 145 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
 146                 unsigned int handle);
 147
 148 static int sony_nc_battery_care_setup(struct platform_device *pd,
 149                 unsigned int handle);
 150 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
 151
 152 static int sony_nc_thermal_setup(struct platform_device *pd);
 153 static void sony_nc_thermal_cleanup(struct platform_device *pd);
 154
 155 static int sony_nc_lid_resume_setup(struct platform_device *pd);
 156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
 157
 158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
 159                 unsigned int handle);
 160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
 161 static int __sony_nc_gfx_switch_status_get(void);
 162
 163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
 164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
 165
 166 static int sony_nc_touchpad_setup(struct platform_device *pd,
 167                                   unsigned int handle);
 168 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
 169
 170 enum sony_nc_rfkill {
 171         SONY_WIFI,
 172         SONY_BLUETOOTH,
 173         SONY_WWAN,
 174         SONY_WIMAX,
 175         N_SONY_RFKILL,
 176 };
 177
 178 static int sony_rfkill_handle;
 179 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 180 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 181 static int sony_nc_rfkill_setup(struct acpi_device *device,
 182                 unsigned int handle);
 183 static void sony_nc_rfkill_cleanup(void);
 184 static void sony_nc_rfkill_update(void);
 185
 186 /*********** Input Devices ***********/
 187
 188 #define SONY_LAPTOP_BUF_SIZE    128
 189 struct sony_laptop_input_s {
 190         atomic_t                users;
 191         struct input_dev        *jog_dev;
 192         struct input_dev        *key_dev;
 193         struct kfifo            fifo;
 194         spinlock_t              fifo_lock;
 195         struct timer_list       release_key_timer;
 196 };
 197
 198 static struct sony_laptop_input_s sony_laptop_input = {
 199         .users = ATOMIC_INIT(0),
 200 };
 201
 202 struct sony_laptop_keypress {
 203         struct input_dev *dev;
 204         int key;
 205 };
 206
 207 /* Correspondance table between sonypi events
 208  * and input layer indexes in the keymap
 209  */
 210 static int sony_laptop_input_index[] = {
 211         -1,     /*  0 no event */
 212         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 213         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 214         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 215         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 216         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 217         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 218          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 219          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 220          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 221          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 222          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 223          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 224          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 225          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 226          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 227          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 228         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 229         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 230         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 231         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 232         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 233         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 234         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 235         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 236         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 237         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 238         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 239         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 240         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 241         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 242         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 243         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 244         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 245         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 246         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 247         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 248         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 249         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 250         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 251         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 252         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 253         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 254         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 255         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 256         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 257         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 258         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 259         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 260         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 261         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 262         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 263         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 264         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 265         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 266         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 267         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 268         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 269         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 270         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 271         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 272         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 273         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 274         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 275         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 276         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 277         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 278         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 279         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 280         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 281         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 282         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 283         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 284         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
 285 };
 286
 287 static int sony_laptop_input_keycode_map[] = {
 288         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 289         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 290         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 291         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 292         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 293         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 294         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 295         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 296         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 297         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 298         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 299         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 300         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 301         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 302         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 303         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 304         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 305         KEY_FN_1,       /* 17 SONYPI_EVENT_FNKEY_1 */
 306         KEY_FN_2,       /* 18 SONYPI_EVENT_FNKEY_2 */
 307         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 308         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 309         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 310         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 311         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 312         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 313         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 314         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 315         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 316         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 317         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 318         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 319         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 320         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 321         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 322         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 323         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 324         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 325         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 326         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 327         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 328         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 329         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 330         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 331         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 332         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 333         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 334         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 335         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 336         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 337         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 338         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 339         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 340         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 341         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 342         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 343         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 344         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 345         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 346         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 347         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
 348 };
 349
 350 /* release buttons after a short delay if pressed */
 351 static void do_sony_laptop_release_key(unsigned long unused)
 352 {
 353         struct sony_laptop_keypress kp;
 354         unsigned long flags;
 355
 356         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 357
 358         if (kfifo_out(&sony_laptop_input.fifo,
 359                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 360                 input_report_key(kp.dev, kp.key, 0);
 361                 input_sync(kp.dev);
 362         }
 363
 364         /* If there is something in the fifo schedule next release. */
 365         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 366                 mod_timer(&sony_laptop_input.release_key_timer,
 367                           jiffies + msecs_to_jiffies(10));
 368
 369         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 370 }
 371
 372 /* forward event to the input subsystem */
 373 static void sony_laptop_report_input_event(u8 event)
 374 {
 375         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 376         struct input_dev *key_dev = sony_laptop_input.key_dev;
 377         struct sony_laptop_keypress kp = { NULL };
 378         int scancode = -1;
 379
 380         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 381                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 382                 /* Nothing, not all VAIOs generate this event */
 383                 return;
 384         }
 385
 386         /* report events */
 387         switch (event) {
 388         /* jog_dev events */
 389         case SONYPI_EVENT_JOGDIAL_UP:
 390         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 391                 input_report_rel(jog_dev, REL_WHEEL, 1);
 392                 input_sync(jog_dev);
 393                 return;
 394
 395         case SONYPI_EVENT_JOGDIAL_DOWN:
 396         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 397                 input_report_rel(jog_dev, REL_WHEEL, -1);
 398                 input_sync(jog_dev);
 399                 return;
 400
 401         /* key_dev events */
 402         case SONYPI_EVENT_JOGDIAL_PRESSED:
 403                 kp.key = BTN_MIDDLE;
 404                 kp.dev = jog_dev;
 405                 break;
 406
 407         default:
 408                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 409                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 410                         break;
 411                 }
 412                 if ((scancode = sony_laptop_input_index[event]) != -1) {
 413                         kp.key = sony_laptop_input_keycode_map[scancode];
 414                         if (kp.key != KEY_UNKNOWN)
 415                                 kp.dev = key_dev;
 416                 }
 417                 break;
 418         }
 419
 420         if (kp.dev) {
 421                 /* if we have a scancode we emit it so we can always
 422                     remap the key */
 423                 if (scancode != -1)
 424                         input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
 425                 input_report_key(kp.dev, kp.key, 1);
 426                 input_sync(kp.dev);
 427
 428                 /* schedule key release */
 429                 kfifo_in_locked(&sony_laptop_input.fifo,
 430                                 (unsigned char *)&kp, sizeof(kp),
 431                                 &sony_laptop_input.fifo_lock);
 432                 mod_timer(&sony_laptop_input.release_key_timer,
 433                           jiffies + msecs_to_jiffies(10));
 434         } else
 435                 dprintk("unknown input event %.2x\n", event);
 436 }
 437
 438 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 439 {
 440         struct input_dev *jog_dev;
 441         struct input_dev *key_dev;
 442         int i;
 443         int error;
 444
 445         /* don't run again if already initialized */
 446         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 447                 return 0;
 448
 449         /* kfifo */
 450         spin_lock_init(&sony_laptop_input.fifo_lock);
 451         error = kfifo_alloc(&sony_laptop_input.fifo,
 452                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 453         if (error) {
 454                 pr_err("kfifo_alloc failed\n");
 455                 goto err_dec_users;
 456         }
 457
 458         setup_timer(&sony_laptop_input.release_key_timer,
 459                     do_sony_laptop_release_key, 0);
 460
 461         /* input keys */
 462         key_dev = input_allocate_device();
 463         if (!key_dev) {
 464                 error = -ENOMEM;
 465                 goto err_free_kfifo;
 466         }
 467
 468         key_dev->name = "Sony Vaio Keys";
 469         key_dev->id.bustype = BUS_ISA;
 470         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 471         key_dev->dev.parent = &acpi_device->dev;
 472
 473         /* Initialize the Input Drivers: special keys */
 474         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 475
 476         __set_bit(EV_KEY, key_dev->evbit);
 477         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 478         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 479         key_dev->keycode = &sony_laptop_input_keycode_map;
 480         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 481                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 482         __clear_bit(KEY_RESERVED, key_dev->keybit);
 483
 484         error = input_register_device(key_dev);
 485         if (error)
 486                 goto err_free_keydev;
 487
 488         sony_laptop_input.key_dev = key_dev;
 489
 490         /* jogdial */
 491         jog_dev = input_allocate_device();
 492         if (!jog_dev) {
 493                 error = -ENOMEM;
 494                 goto err_unregister_keydev;
 495         }
 496
 497         jog_dev->name = "Sony Vaio Jogdial";
 498         jog_dev->id.bustype = BUS_ISA;
 499         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 500         jog_dev->dev.parent = &acpi_device->dev;
 501
 502         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 503         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 504
 505         error = input_register_device(jog_dev);
 506         if (error)
 507                 goto err_free_jogdev;
 508
 509         sony_laptop_input.jog_dev = jog_dev;
 510
 511         return 0;
 512
 513 err_free_jogdev:
 514         input_free_device(jog_dev);
 515
 516 err_unregister_keydev:
 517         input_unregister_device(key_dev);
 518         /* to avoid kref underflow below at input_free_device */
 519         key_dev = NULL;
 520
 521 err_free_keydev:
 522         input_free_device(key_dev);
 523
 524 err_free_kfifo:
 525         kfifo_free(&sony_laptop_input.fifo);
 526
 527 err_dec_users:
 528         atomic_dec(&sony_laptop_input.users);
 529         return error;
 530 }
 531
 532 static void sony_laptop_remove_input(void)
 533 {
 534         struct sony_laptop_keypress kp = { NULL };
 535
 536         /* Cleanup only after the last user has gone */
 537         if (!atomic_dec_and_test(&sony_laptop_input.users))
 538                 return;
 539
 540         del_timer_sync(&sony_laptop_input.release_key_timer);
 541
 542         /*
 543          * Generate key-up events for remaining keys. Note that we don't
 544          * need locking since nobody is adding new events to the kfifo.
 545          */
 546         while (kfifo_out(&sony_laptop_input.fifo,
 547                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 548                 input_report_key(kp.dev, kp.key, 0);
 549                 input_sync(kp.dev);
 550         }
 551
 552         /* destroy input devs */
 553         input_unregister_device(sony_laptop_input.key_dev);
 554         sony_laptop_input.key_dev = NULL;
 555
 556         if (sony_laptop_input.jog_dev) {
 557                 input_unregister_device(sony_laptop_input.jog_dev);
 558                 sony_laptop_input.jog_dev = NULL;
 559         }
 560
 561         kfifo_free(&sony_laptop_input.fifo);
 562 }
 563
 564 /*********** Platform Device ***********/
 565
 566 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 567 static struct platform_driver sony_pf_driver = {
 568         .driver = {
 569                    .name = "sony-laptop",
 570                    .owner = THIS_MODULE,
 571                    }
 572 };
 573 static struct platform_device *sony_pf_device;
 574
 575 static int sony_pf_add(void)
 576 {
 577         int ret = 0;
 578
 579         /* don't run again if already initialized */
 580         if (atomic_add_return(1, &sony_pf_users) > 1)
 581                 return 0;
 582
 583         ret = platform_driver_register(&sony_pf_driver);
 584         if (ret)
 585                 goto out;
 586
 587         sony_pf_device = platform_device_alloc("sony-laptop", -1);
 588         if (!sony_pf_device) {
 589                 ret = -ENOMEM;
 590                 goto out_platform_registered;
 591         }
 592
 593         ret = platform_device_add(sony_pf_device);
 594         if (ret)
 595                 goto out_platform_alloced;
 596
 597         return 0;
 598
 599       out_platform_alloced:
 600         platform_device_put(sony_pf_device);
 601         sony_pf_device = NULL;
 602       out_platform_registered:
 603         platform_driver_unregister(&sony_pf_driver);
 604       out:
 605         atomic_dec(&sony_pf_users);
 606         return ret;
 607 }
 608
 609 static void sony_pf_remove(void)
 610 {
 611         /* deregister only after the last user has gone */
 612         if (!atomic_dec_and_test(&sony_pf_users))
 613                 return;
 614
 615         platform_device_unregister(sony_pf_device);
 616         platform_driver_unregister(&sony_pf_driver);
 617 }
 618
 619 /*********** SNC (SNY5001) Device ***********/
 620
 621 /* the device uses 1-based values, while the backlight subsystem uses
 622    0-based values */
 623 #define SONY_MAX_BRIGHTNESS     8
 624
 625 #define SNC_VALIDATE_IN         0
 626 #define SNC_VALIDATE_OUT        1
 627
 628 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
 629                               char *);
 630 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
 631                                const char *, size_t);
 632 static int boolean_validate(const int, const int);
 633 static int brightness_default_validate(const int, const int);
 634
 635 struct sony_nc_value {
 636         char *name;             /* name of the entry */
 637         char **acpiget;         /* names of the ACPI get function */
 638         char **acpiset;         /* names of the ACPI set function */
 639         int (*validate)(const int, const int);  /* input/output validation */
 640         int value;              /* current setting */
 641         int valid;              /* Has ever been set */
 642         int debug;              /* active only in debug mode ? */
 643         struct device_attribute devattr;        /* sysfs attribute */
 644 };
 645
 646 #define SNC_HANDLE_NAMES(_name, _values...) \
 647         static char *snc_##_name[] = { _values, NULL }
 648
 649 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
 650         { \
 651                 .name           = __stringify(_name), \
 652                 .acpiget        = _getters, \
 653                 .acpiset        = _setters, \
 654                 .validate       = _validate, \
 655                 .debug          = _debug, \
 656                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
 657         }
 658
 659 #define SNC_HANDLE_NULL { .name = NULL }
 660
 661 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
 662
 663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
 664 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
 665
 666 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
 667 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
 668
 669 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
 670 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
 671
 672 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
 673 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
 674
 675 SNC_HANDLE_NAMES(lidstate_get, "GLID");
 676
 677 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
 678 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
 679
 680 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
 681 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
 682
 683 SNC_HANDLE_NAMES(PID_get, "GPID");
 684
 685 SNC_HANDLE_NAMES(CTR_get, "GCTR");
 686 SNC_HANDLE_NAMES(CTR_set, "SCTR");
 687
 688 SNC_HANDLE_NAMES(PCR_get, "GPCR");
 689 SNC_HANDLE_NAMES(PCR_set, "SPCR");
 690
 691 SNC_HANDLE_NAMES(CMI_get, "GCMI");
 692 SNC_HANDLE_NAMES(CMI_set, "SCMI");
 693
 694 static struct sony_nc_value sony_nc_values[] = {
 695         SNC_HANDLE(brightness_default, snc_brightness_def_get,
 696                         snc_brightness_def_set, brightness_default_validate, 0),
 697         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
 698         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
 699         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
 700                         boolean_validate, 0),
 701         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
 702                         boolean_validate, 1),
 703         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
 704                         boolean_validate, 0),
 705         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
 706                         boolean_validate, 0),
 707         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
 708                         boolean_validate, 0),
 709         /* unknown methods */
 710         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
 711         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
 712         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
 713         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
 714         SNC_HANDLE_NULL
 715 };
 716
 717 static acpi_handle sony_nc_acpi_handle;
 718 static struct acpi_device *sony_nc_acpi_device = NULL;
 719
 720 /*
 721  * acpi_evaluate_object wrappers
 722  * all useful calls into SNC methods take one or zero parameters and return
 723  * integers or arrays.
 724  */
 725 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
 726                 u64 *value)
 727 {
 728         union acpi_object *result = NULL;
 729         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 730         acpi_status status;
 731
 732         if (value) {
 733                 struct acpi_object_list params;
 734                 union acpi_object in;
 735                 in.type = ACPI_TYPE_INTEGER;
 736                 in.integer.value = *value;
 737                 params.count = 1;
 738                 params.pointer = &in;
 739                 status = acpi_evaluate_object(handle, method, &params, &output);
 740                 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
 741                                 (unsigned int)(*value >> 32),
 742                                 (unsigned int)*value & 0xffffffff);
 743         } else {
 744                 status = acpi_evaluate_object(handle, method, NULL, &output);
 745                 dprintk("__call_snc_method: [%s]\n", method);
 746         }
 747
 748         if (ACPI_FAILURE(status)) {
 749                 pr_err("Failed to evaluate [%s]\n", method);
 750                 return NULL;
 751         }
 752
 753         result = (union acpi_object *) output.pointer;
 754         if (!result)
 755                 dprintk("No return object [%s]\n", method);
 756
 757         return result;
 758 }
 759
 760 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
 761                 int *result)
 762 {
 763         union acpi_object *object = NULL;
 764         if (value) {
 765                 u64 v = *value;
 766                 object = __call_snc_method(handle, name, &v);
 767         } else
 768                 object = __call_snc_method(handle, name, NULL);
 769
 770         if (!object)
 771                 return -EINVAL;
 772
 773         if (object->type != ACPI_TYPE_INTEGER) {
 774                 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
 775                                 ACPI_TYPE_INTEGER, object->type);
 776                 kfree(object);
 777                 return -EINVAL;
 778         }
 779
 780         if (result)
 781                 *result = object->integer.value;
 782
 783         kfree(object);
 784         return 0;
 785 }
 786
 787 #define MIN(a, b)       (a > b ? b : a)
 788 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
 789                 void *buffer, size_t buflen)
 790 {
 791         int ret = 0;
 792         size_t len;
 793         union acpi_object *object = __call_snc_method(handle, name, value);
 794
 795         if (!object)
 796                 return -EINVAL;
 797
 798         if (object->type == ACPI_TYPE_BUFFER) {
 799                 len = MIN(buflen, object->buffer.length);
 800                 memcpy(buffer, object->buffer.pointer, len);
 801
 802         } else if (object->type == ACPI_TYPE_INTEGER) {
 803                 len = MIN(buflen, sizeof(object->integer.value));
 804                 memcpy(buffer, &object->integer.value, len);
 805
 806         } else {
 807                 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
 808                                 ACPI_TYPE_BUFFER, object->type);
 809                 ret = -EINVAL;
 810         }
 811
 812         kfree(object);
 813         return ret;
 814 }
 815
 816 struct sony_nc_handles {
 817         u16 cap[0x10];
 818         struct device_attribute devattr;
 819 };
 820
 821 static struct sony_nc_handles *handles;
 822
 823 static ssize_t sony_nc_handles_show(struct device *dev,
 824                 struct device_attribute *attr, char *buffer)
 825 {
 826         ssize_t len = 0;
 827         int i;
 828
 829         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 830                 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
 831                                 handles->cap[i]);
 832         }
 833         len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
 834
 835         return len;
 836 }
 837
 838 static int sony_nc_handles_setup(struct platform_device *pd)
 839 {
 840         int i, r, result, arg;
 841
 842         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
 843         if (!handles)
 844                 return -ENOMEM;
 845
 846         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 847                 arg = i + 0x20;
 848                 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
 849                                         &result);
 850                 if (!r) {
 851                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
 852                                         result, i);
 853                         handles->cap[i] = result;
 854                 }
 855         }
 856
 857         if (debug) {
 858                 sysfs_attr_init(&handles->devattr.attr);
 859                 handles->devattr.attr.name = "handles";
 860                 handles->devattr.attr.mode = S_IRUGO;
 861                 handles->devattr.show = sony_nc_handles_show;
 862
 863                 /* allow reading capabilities via sysfs */
 864                 if (device_create_file(&pd->dev, &handles->devattr)) {
 865                         kfree(handles);
 866                         handles = NULL;
 867                         return -1;
 868                 }
 869         }
 870
 871         return 0;
 872 }
 873
 874 static int sony_nc_handles_cleanup(struct platform_device *pd)
 875 {
 876         if (handles) {
 877                 if (debug)
 878                         device_remove_file(&pd->dev, &handles->devattr);
 879                 kfree(handles);
 880                 handles = NULL;
 881         }
 882         return 0;
 883 }
 884
 885 static int sony_find_snc_handle(int handle)
 886 {
 887         int i;
 888
 889         /* not initialized yet, return early */
 890         if (!handles || !handle)
 891                 return -EINVAL;
 892
 893         for (i = 0; i < 0x10; i++) {
 894                 if (handles->cap[i] == handle) {
 895                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
 896                                         handle, i);
 897                         return i;
 898                 }
 899         }
 900         dprintk("handle 0x%.4x not found\n", handle);
 901         return -EINVAL;
 902 }
 903
 904 static int sony_call_snc_handle(int handle, int argument, int *result)
 905 {
 906         int arg, ret = 0;
 907         int offset = sony_find_snc_handle(handle);
 908
 909         if (offset < 0)
 910                 return offset;
 911
 912         arg = offset | argument;
 913         ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
 914         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
 915         return ret;
 916 }
 917
 918 /*
 919  * sony_nc_values input/output validate functions
 920  */
 921
 922 /* brightness_default_validate:
 923  *
 924  * manipulate input output values to keep consistency with the
 925  * backlight framework for which brightness values are 0-based.
 926  */
 927 static int brightness_default_validate(const int direction, const int value)
 928 {
 929         switch (direction) {
 930                 case SNC_VALIDATE_OUT:
 931                         return value - 1;
 932                 case SNC_VALIDATE_IN:
 933                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 934                                 return value + 1;
 935         }
 936         return -EINVAL;
 937 }
 938
 939 /* boolean_validate:
 940  *
 941  * on input validate boolean values 0/1, on output just pass the
 942  * received value.
 943  */
 944 static int boolean_validate(const int direction, const int value)
 945 {
 946         if (direction == SNC_VALIDATE_IN) {
 947                 if (value != 0 && value != 1)
 948                         return -EINVAL;
 949         }
 950         return value;
 951 }
 952
 953 /*
 954  * Sysfs show/store common to all sony_nc_values
 955  */
 956 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 957                               char *buffer)
 958 {
 959         int value, ret = 0;
 960         struct sony_nc_value *item =
 961             container_of(attr, struct sony_nc_value, devattr);
 962
 963         if (!*item->acpiget)
 964                 return -EIO;
 965
 966         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
 967                                 &value);
 968         if (ret < 0)
 969                 return -EIO;
 970
 971         if (item->validate)
 972                 value = item->validate(SNC_VALIDATE_OUT, value);
 973
 974         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 975 }
 976
 977 static ssize_t sony_nc_sysfs_store(struct device *dev,
 978                                struct device_attribute *attr,
 979                                const char *buffer, size_t count)
 980 {
 981         int value;
 982         int ret = 0;
 983         struct sony_nc_value *item =
 984             container_of(attr, struct sony_nc_value, devattr);
 985
 986         if (!item->acpiset)
 987                 return -EIO;
 988
 989         if (count > 31)
 990                 return -EINVAL;
 991
 992         if (kstrtoint(buffer, 10, &value))
 993                 return -EINVAL;
 994
 995         if (item->validate)
 996                 value = item->validate(SNC_VALIDATE_IN, value);
 997
 998         if (value < 0)
 999                 return value;
1000
1001         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1002                                &value, NULL);
1003         if (ret < 0)
1004                 return -EIO;
1005
1006         item->value = value;
1007         item->valid = 1;
1008         return count;
1009 }
1010
1011
1012 /*
1013  * Backlight device
1014  */
1015 struct sony_backlight_props {
1016         struct backlight_device *dev;
1017         int                     handle;
1018         int                     cmd_base;
1019         u8                      offset;
1020         u8                      maxlvl;
1021 };
1022 struct sony_backlight_props sony_bl_props;
1023
1024 static int sony_backlight_update_status(struct backlight_device *bd)
1025 {
1026         int arg = bd->props.brightness + 1;
1027         return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1028 }
1029
1030 static int sony_backlight_get_brightness(struct backlight_device *bd)
1031 {
1032         int value;
1033
1034         if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1035                 return 0;
1036         /* brightness levels are 1-based, while backlight ones are 0-based */
1037         return value - 1;
1038 }
1039
1040 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1041 {
1042         int result;
1043         struct sony_backlight_props *sdev =
1044                 (struct sony_backlight_props *)bl_get_data(bd);
1045
1046         sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1047
1048         return (result & 0xff) - sdev->offset;
1049 }
1050
1051 static int sony_nc_update_status_ng(struct backlight_device *bd)
1052 {
1053         int value, result;
1054         struct sony_backlight_props *sdev =
1055                 (struct sony_backlight_props *)bl_get_data(bd);
1056
1057         value = bd->props.brightness + sdev->offset;
1058         if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1059                                 &result))
1060                 return -EIO;
1061
1062         return value;
1063 }
1064
1065 static const struct backlight_ops sony_backlight_ops = {
1066         .options = BL_CORE_SUSPENDRESUME,
1067         .update_status = sony_backlight_update_status,
1068         .get_brightness = sony_backlight_get_brightness,
1069 };
1070 static const struct backlight_ops sony_backlight_ng_ops = {
1071         .options = BL_CORE_SUSPENDRESUME,
1072         .update_status = sony_nc_update_status_ng,
1073         .get_brightness = sony_nc_get_brightness_ng,
1074 };
1075
1076 /*
1077  * New SNC-only Vaios event mapping to driver known keys
1078  */
1079 struct sony_nc_event {
1080         u8      data;
1081         u8      event;
1082 };
1083
1084 static struct sony_nc_event sony_100_events[] = {
1085         { 0x90, SONYPI_EVENT_PKEY_P1 },
1086         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1087         { 0x91, SONYPI_EVENT_PKEY_P2 },
1088         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089         { 0x81, SONYPI_EVENT_FNKEY_F1 },
1090         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1091         { 0x82, SONYPI_EVENT_FNKEY_F2 },
1092         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1093         { 0x83, SONYPI_EVENT_FNKEY_F3 },
1094         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1095         { 0x84, SONYPI_EVENT_FNKEY_F4 },
1096         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1097         { 0x85, SONYPI_EVENT_FNKEY_F5 },
1098         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1099         { 0x86, SONYPI_EVENT_FNKEY_F6 },
1100         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1101         { 0x87, SONYPI_EVENT_FNKEY_F7 },
1102         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1103         { 0x88, SONYPI_EVENT_FNKEY_F8 },
1104         { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1105         { 0x89, SONYPI_EVENT_FNKEY_F9 },
1106         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1107         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1108         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1109         { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1110         { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1111         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1112         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1113         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1114         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1115         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1116         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1118         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1120         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1122         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1124         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1125         { 0, 0 },
1126 };
1127
1128 static struct sony_nc_event sony_127_events[] = {
1129         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1130         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131         { 0x82, SONYPI_EVENT_PKEY_P1 },
1132         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133         { 0x83, SONYPI_EVENT_PKEY_P2 },
1134         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135         { 0x84, SONYPI_EVENT_PKEY_P3 },
1136         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137         { 0x85, SONYPI_EVENT_PKEY_P4 },
1138         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139         { 0x86, SONYPI_EVENT_PKEY_P5 },
1140         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1142         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1143         { 0, 0 },
1144 };
1145
1146 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1147 {
1148         int ret = -EINVAL;
1149         unsigned int result = 0;
1150         struct sony_nc_event *key_event;
1151
1152         if (sony_call_snc_handle(handle, 0x200, &result)) {
1153                 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1154                                 event);
1155                 return -EINVAL;
1156         }
1157
1158         result &= 0xFF;
1159
1160         if (handle == 0x0100)
1161                 key_event = sony_100_events;
1162         else
1163                 key_event = sony_127_events;
1164
1165         for (; key_event->data; key_event++) {
1166                 if (key_event->data == result) {
1167                         ret = key_event->event;
1168                         break;
1169                 }
1170         }
1171
1172         if (!key_event->data)
1173                 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1174                                 event, result, handle);
1175
1176         return ret;
1177 }
1178
1179 /*
1180  * ACPI callbacks
1181  */
1182 enum event_types {
1183         HOTKEY = 1,
1184         KILLSWITCH,
1185         GFX_SWITCH
1186 };
1187 static void sony_nc_notify(struct acpi_device *device, u32 event)
1188 {
1189         u32 real_ev = event;
1190         u8 ev_type = 0;
1191         dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1192
1193         if (event >= 0x90) {
1194                 unsigned int result = 0;
1195                 unsigned int arg = 0;
1196                 unsigned int handle = 0;
1197                 unsigned int offset = event - 0x90;
1198
1199                 if (offset >= ARRAY_SIZE(handles->cap)) {
1200                         pr_err("Event 0x%x outside of capabilities list\n",
1201                                         event);
1202                         return;
1203                 }
1204                 handle = handles->cap[offset];
1205
1206                 /* list of handles known for generating events */
1207                 switch (handle) {
1208                 /* hotkey event */
1209                 case 0x0100:
1210                 case 0x0127:
1211                         ev_type = HOTKEY;
1212                         real_ev = sony_nc_hotkeys_decode(event, handle);
1213
1214                         if (real_ev > 0)
1215                                 sony_laptop_report_input_event(real_ev);
1216                         else
1217                                 /* restore the original event for reporting */
1218                                 real_ev = event;
1219
1220                         break;
1221
1222                 /* wlan switch */
1223                 case 0x0124:
1224                 case 0x0135:
1225                         /* events on this handle are reported when the
1226                          * switch changes position or for battery
1227                          * events. We'll notify both of them but only
1228                          * update the rfkill device status when the
1229                          * switch is moved.
1230                          */
1231                         ev_type = KILLSWITCH;
1232                         sony_call_snc_handle(handle, 0x0100, &result);
1233                         real_ev = result & 0x03;
1234
1235                         /* hw switch event */
1236                         if (real_ev == 1)
1237                                 sony_nc_rfkill_update();
1238
1239                         break;
1240
1241                 case 0x0128:
1242                 case 0x0146:
1243                         /* Hybrid GFX switching */
1244                         sony_call_snc_handle(handle, 0x0000, &result);
1245                         dprintk("GFX switch event received (reason: %s)\n",
1246                                         (result == 0x1) ? "switch change" :
1247                                         (result == 0x2) ? "output switch" :
1248                                         (result == 0x3) ? "output switch" :
1249                                         "");
1250
1251                         ev_type = GFX_SWITCH;
1252                         real_ev = __sony_nc_gfx_switch_status_get();
1253                         break;
1254
1255                 case 0x015B:
1256                         /* Hybrid GFX switching SVS151290S */
1257                         ev_type = GFX_SWITCH;
1258                         real_ev = __sony_nc_gfx_switch_status_get();
1259                         break;
1260                 default:
1261                         dprintk("Unknown event 0x%x for handle 0x%x\n",
1262                                         event, handle);
1263                         break;
1264                 }
1265
1266                 /* clear the event (and the event reason when present) */
1267                 arg = 1 << offset;
1268                 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1269
1270         } else {
1271                 /* old style event */
1272                 ev_type = HOTKEY;
1273                 sony_laptop_report_input_event(real_ev);
1274         }
1275         acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1276                         dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1277 }
1278
1279 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1280                                       void *context, void **return_value)
1281 {
1282         struct acpi_device_info *info;
1283
1284         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1285                 pr_warn("method: name: %4.4s, args %X\n",
1286                         (char *)&info->name, info->param_count);
1287
1288                 kfree(info);
1289         }
1290
1291         return AE_OK;
1292 }
1293
1294 /*
1295  * ACPI device
1296  */
1297 static void sony_nc_function_setup(struct acpi_device *device,
1298                 struct platform_device *pf_device)
1299 {
1300         unsigned int i, result, bitmask, arg;
1301
1302         if (!handles)
1303                 return;
1304
1305         /* setup found handles here */
1306         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1307                 unsigned int handle = handles->cap[i];
1308
1309                 if (!handle)
1310                         continue;
1311
1312                 dprintk("setting up handle 0x%.4x\n", handle);
1313
1314                 switch (handle) {
1315                 case 0x0100:
1316                 case 0x0101:
1317                 case 0x0127:
1318                         /* setup hotkeys */
1319                         sony_call_snc_handle(handle, 0, &result);
1320                         break;
1321                 case 0x0102:
1322                         /* setup hotkeys */
1323                         sony_call_snc_handle(handle, 0x100, &result);
1324                         break;
1325                 case 0x0105:
1326                 case 0x0148:
1327                         /* touchpad enable/disable */
1328                         result = sony_nc_touchpad_setup(pf_device, handle);
1329                         if (result)
1330                                 pr_err("couldn't set up touchpad control function (%d)\n",
1331                                                 result);
1332                         break;
1333                 case 0x0115:
1334                 case 0x0136:
1335                 case 0x013f:
1336                         result = sony_nc_battery_care_setup(pf_device, handle);
1337                         if (result)
1338                                 pr_err("couldn't set up battery care function (%d)\n",
1339                                                 result);
1340                         break;
1341                 case 0x0119:
1342                         result = sony_nc_lid_resume_setup(pf_device);
1343                         if (result)
1344                                 pr_err("couldn't set up lid resume function (%d)\n",
1345                                                 result);
1346                         break;
1347                 case 0x0122:
1348                         result = sony_nc_thermal_setup(pf_device);
1349                         if (result)
1350                                 pr_err("couldn't set up thermal profile function (%d)\n",
1351                                                 result);
1352                         break;
1353                 case 0x0128:
1354                 case 0x0146:
1355                 case 0x015B:
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                 case 0x0163:
1379                         result = sony_nc_kbd_backlight_setup(pf_device, handle);
1380                         if (result)
1381                                 pr_err("couldn't set up keyboard backlight function (%d)\n",
1382                                                 result);
1383                         break;
1384                 default:
1385                         continue;
1386                 }
1387         }
1388
1389         /* Enable all events */
1390         arg = 0x10;
1391         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1392                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1393                                 &result);
1394 }
1395
1396 static void sony_nc_function_cleanup(struct platform_device *pd)
1397 {
1398         unsigned int i, result, bitmask, handle;
1399
1400         /* get enabled events and disable them */
1401         sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1402         sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1403
1404         /* cleanup handles here */
1405         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1406
1407                 handle = handles->cap[i];
1408
1409                 if (!handle)
1410                         continue;
1411
1412                 switch (handle) {
1413                 case 0x0105:
1414                 case 0x0148:
1415                         sony_nc_touchpad_cleanup(pd);
1416                         break;
1417                 case 0x0115:
1418                 case 0x0136:
1419                 case 0x013f:
1420                         sony_nc_battery_care_cleanup(pd);
1421                         break;
1422                 case 0x0119:
1423                         sony_nc_lid_resume_cleanup(pd);
1424                         break;
1425                 case 0x0122:
1426                         sony_nc_thermal_cleanup(pd);
1427                         break;
1428                 case 0x0128:
1429                 case 0x0146:
1430                 case 0x015B:
1431                         sony_nc_gfx_switch_cleanup(pd);
1432                         break;
1433                 case 0x0131:
1434                         sony_nc_highspeed_charging_cleanup(pd);
1435                         break;
1436                 case 0x0124:
1437                 case 0x0135:
1438                         sony_nc_rfkill_cleanup();
1439                         break;
1440                 case 0x0137:
1441                 case 0x0143:
1442                 case 0x014b:
1443                 case 0x014c:
1444                 case 0x0163:
1445                         sony_nc_kbd_backlight_cleanup(pd, handle);
1446                         break;
1447                 default:
1448                         continue;
1449                 }
1450         }
1451
1452         /* finally cleanup the handles list */
1453         sony_nc_handles_cleanup(pd);
1454 }
1455
1456 #ifdef CONFIG_PM_SLEEP
1457 static void sony_nc_function_resume(void)
1458 {
1459         unsigned int i, result, bitmask, arg;
1460
1461         dprintk("Resuming SNC device\n");
1462
1463         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1464                 unsigned int handle = handles->cap[i];
1465
1466                 if (!handle)
1467                         continue;
1468
1469                 switch (handle) {
1470                 case 0x0100:
1471                 case 0x0101:
1472                 case 0x0127:
1473                         /* re-enable hotkeys */
1474                         sony_call_snc_handle(handle, 0, &result);
1475                         break;
1476                 case 0x0102:
1477                         /* re-enable hotkeys */
1478                         sony_call_snc_handle(handle, 0x100, &result);
1479                         break;
1480                 case 0x0122:
1481                         sony_nc_thermal_resume();
1482                         break;
1483                 case 0x0124:
1484                 case 0x0135:
1485                         sony_nc_rfkill_update();
1486                         break;
1487                 default:
1488                         continue;
1489                 }
1490         }
1491
1492         /* Enable all events */
1493         arg = 0x10;
1494         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1495                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1496                                 &result);
1497 }
1498
1499 static int sony_nc_resume(struct device *dev)
1500 {
1501         struct sony_nc_value *item;
1502
1503         for (item = sony_nc_values; item->name; item++) {
1504                 int ret;
1505
1506                 if (!item->valid)
1507                         continue;
1508                 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1509                                        &item->value, NULL);
1510                 if (ret < 0) {
1511                         pr_err("%s: %d\n", __func__, ret);
1512                         break;
1513                 }
1514         }
1515
1516         if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1517                 int arg = 1;
1518                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1519                         dprintk("ECON Method failed\n");
1520         }
1521
1522         if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1523                 sony_nc_function_resume();
1524
1525         return 0;
1526 }
1527 #endif
1528
1529 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1530
1531 static void sony_nc_rfkill_cleanup(void)
1532 {
1533         int i;
1534
1535         for (i = 0; i < N_SONY_RFKILL; i++) {
1536                 if (sony_rfkill_devices[i]) {
1537                         rfkill_unregister(sony_rfkill_devices[i]);
1538                         rfkill_destroy(sony_rfkill_devices[i]);
1539                 }
1540         }
1541 }
1542
1543 static int sony_nc_rfkill_set(void *data, bool blocked)
1544 {
1545         int result;
1546         int argument = sony_rfkill_address[(long) data] + 0x100;
1547
1548         if (!blocked)
1549                 argument |= 0x070000;
1550
1551         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1552 }
1553
1554 static const struct rfkill_ops sony_rfkill_ops = {
1555         .set_block = sony_nc_rfkill_set,
1556 };
1557
1558 static int sony_nc_setup_rfkill(struct acpi_device *device,
1559                                 enum sony_nc_rfkill nc_type)
1560 {
1561         int err = 0;
1562         struct rfkill *rfk;
1563         enum rfkill_type type;
1564         const char *name;
1565         int result;
1566         bool hwblock, swblock;
1567
1568         switch (nc_type) {
1569         case SONY_WIFI:
1570                 type = RFKILL_TYPE_WLAN;
1571                 name = "sony-wifi";
1572                 break;
1573         case SONY_BLUETOOTH:
1574                 type = RFKILL_TYPE_BLUETOOTH;
1575                 name = "sony-bluetooth";
1576                 break;
1577         case SONY_WWAN:
1578                 type = RFKILL_TYPE_WWAN;
1579                 name = "sony-wwan";
1580                 break;
1581         case SONY_WIMAX:
1582                 type = RFKILL_TYPE_WIMAX;
1583                 name = "sony-wimax";
1584                 break;
1585         default:
1586                 return -EINVAL;
1587         }
1588
1589         rfk = rfkill_alloc(name, &device->dev, type,
1590                            &sony_rfkill_ops, (void *)nc_type);
1591         if (!rfk)
1592                 return -ENOMEM;
1593
1594         if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1595                 rfkill_destroy(rfk);
1596                 return -1;
1597         }
1598         hwblock = !(result & 0x1);
1599
1600         if (sony_call_snc_handle(sony_rfkill_handle,
1601                                 sony_rfkill_address[nc_type],
1602                                 &result) < 0) {
1603                 rfkill_destroy(rfk);
1604                 return -1;
1605         }
1606         swblock = !(result & 0x2);
1607
1608         rfkill_init_sw_state(rfk, swblock);
1609         rfkill_set_hw_state(rfk, hwblock);
1610
1611         err = rfkill_register(rfk);
1612         if (err) {
1613                 rfkill_destroy(rfk);
1614                 return err;
1615         }
1616         sony_rfkill_devices[nc_type] = rfk;
1617         return err;
1618 }
1619
1620 static void sony_nc_rfkill_update(void)
1621 {
1622         enum sony_nc_rfkill i;
1623         int result;
1624         bool hwblock;
1625
1626         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1627         hwblock = !(result & 0x1);
1628
1629         for (i = 0; i < N_SONY_RFKILL; i++) {
1630                 int argument = sony_rfkill_address[i];
1631
1632                 if (!sony_rfkill_devices[i])
1633                         continue;
1634
1635                 if (hwblock) {
1636                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1637                                 /* we already know we're blocked */
1638                         }
1639                         continue;
1640                 }
1641
1642                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1643                 rfkill_set_states(sony_rfkill_devices[i],
1644                                   !(result & 0x2), false);
1645         }
1646 }
1647
1648 static int sony_nc_rfkill_setup(struct acpi_device *device,
1649                 unsigned int handle)
1650 {
1651         u64 offset;
1652         int i;
1653         unsigned char buffer[32] = { 0 };
1654
1655         offset = sony_find_snc_handle(handle);
1656         sony_rfkill_handle = handle;
1657
1658         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1659                         32);
1660         if (i < 0)
1661                 return i;
1662
1663         /* The buffer is filled with magic numbers describing the devices
1664          * available, 0xff terminates the enumeration.
1665          * Known codes:
1666          *      0x00 WLAN
1667          *      0x10 BLUETOOTH
1668          *      0x20 WWAN GPRS-EDGE
1669          *      0x21 WWAN HSDPA
1670          *      0x22 WWAN EV-DO
1671          *      0x23 WWAN GPS
1672          *      0x25 Gobi WWAN no GPS
1673          *      0x26 Gobi WWAN + GPS
1674          *      0x28 Gobi WWAN no GPS
1675          *      0x29 Gobi WWAN + GPS
1676          *      0x30 WIMAX
1677          *      0x50 Gobi WWAN no GPS
1678          *      0x51 Gobi WWAN + GPS
1679          *      0x70 no SIM card slot
1680          *      0x71 SIM card slot
1681          */
1682         for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1683
1684                 if (buffer[i] == 0xff)
1685                         break;
1686
1687                 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1688
1689                 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1690                         sony_nc_setup_rfkill(device, SONY_WIFI);
1691
1692                 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1693                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1694
1695                 if (((0xf0 & buffer[i]) == 0x20 ||
1696                                         (0xf0 & buffer[i]) == 0x50) &&
1697                                 !sony_rfkill_devices[SONY_WWAN])
1698                         sony_nc_setup_rfkill(device, SONY_WWAN);
1699
1700                 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1701                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1702         }
1703         return 0;
1704 }
1705
1706 /* Keyboard backlight feature */
1707 struct kbd_backlight {
1708         unsigned int handle;
1709         unsigned int base;
1710         unsigned int mode;
1711         unsigned int timeout;
1712         struct device_attribute mode_attr;
1713         struct device_attribute timeout_attr;
1714 };
1715
1716 static struct kbd_backlight *kbdbl_ctl;
1717
1718 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1719 {
1720         int result;
1721
1722         if (value > 1)
1723                 return -EINVAL;
1724
1725         if (sony_call_snc_handle(kbdbl_ctl->handle,
1726                                 (value << 0x10) | (kbdbl_ctl->base), &result))
1727                 return -EIO;
1728
1729         /* Try to turn the light on/off immediately */
1730         sony_call_snc_handle(kbdbl_ctl->handle,
1731                         (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1732
1733         kbdbl_ctl->mode = value;
1734
1735         return 0;
1736 }
1737
1738 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1739                 struct device_attribute *attr,
1740                 const char *buffer, size_t count)
1741 {
1742         int ret = 0;
1743         unsigned long value;
1744
1745         if (count > 31)
1746                 return -EINVAL;
1747
1748         if (kstrtoul(buffer, 10, &value))
1749                 return -EINVAL;
1750
1751         ret = __sony_nc_kbd_backlight_mode_set(value);
1752         if (ret < 0)
1753                 return ret;
1754
1755         return count;
1756 }
1757
1758 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1759                 struct device_attribute *attr, char *buffer)
1760 {
1761         ssize_t count = 0;
1762         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1763         return count;
1764 }
1765
1766 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1767 {
1768         int result;
1769
1770         if (value > 3)
1771                 return -EINVAL;
1772
1773         if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1774                                 (kbdbl_ctl->base + 0x200), &result))
1775                 return -EIO;
1776
1777         kbdbl_ctl->timeout = value;
1778
1779         return 0;
1780 }
1781
1782 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1783                 struct device_attribute *attr,
1784                 const char *buffer, size_t count)
1785 {
1786         int ret = 0;
1787         unsigned long value;
1788
1789         if (count > 31)
1790                 return -EINVAL;
1791
1792         if (kstrtoul(buffer, 10, &value))
1793                 return -EINVAL;
1794
1795         ret = __sony_nc_kbd_backlight_timeout_set(value);
1796         if (ret < 0)
1797                 return ret;
1798
1799         return count;
1800 }
1801
1802 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1803                 struct device_attribute *attr, char *buffer)
1804 {
1805         ssize_t count = 0;
1806         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1807         return count;
1808 }
1809
1810 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1811                 unsigned int handle)
1812 {
1813         int result;
1814         int ret = 0;
1815
1816         if (kbdbl_ctl) {
1817                 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1818                                 handle, kbdbl_ctl->handle);
1819                 return -EBUSY;
1820         }
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->mode = kbd_backlight;
1841         kbdbl_ctl->timeout = kbd_backlight_timeout;
1842         kbdbl_ctl->handle = handle;
1843         if (handle == 0x0137)
1844                 kbdbl_ctl->base = 0x0C00;
1845         else
1846                 kbdbl_ctl->base = 0x4000;
1847
1848         sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1849         kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1850         kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1851         kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1852         kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1853
1854         sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1855         kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1856         kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1857         kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1858         kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1859
1860         ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1861         if (ret)
1862                 goto outkzalloc;
1863
1864         ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1865         if (ret)
1866                 goto outmode;
1867
1868         __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1869         __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1870
1871         return 0;
1872
1873 outmode:
1874         device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1875 outkzalloc:
1876         kfree(kbdbl_ctl);
1877         kbdbl_ctl = NULL;
1878         return ret;
1879 }
1880
1881 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1882                 unsigned int handle)
1883 {
1884         if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1885                 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1886                 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1887                 kfree(kbdbl_ctl);
1888                 kbdbl_ctl = NULL;
1889         }
1890 }
1891
1892 struct battery_care_control {
1893         struct device_attribute attrs[2];
1894         unsigned int handle;
1895 };
1896 static struct battery_care_control *bcare_ctl;
1897
1898 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1899                 struct device_attribute *attr,
1900                 const char *buffer, size_t count)
1901 {
1902         unsigned int result, cmd;
1903         unsigned long value;
1904
1905         if (count > 31)
1906                 return -EINVAL;
1907
1908         if (kstrtoul(buffer, 10, &value))
1909                 return -EINVAL;
1910
1911         /*  limit values (2 bits):
1912          *  00 - none
1913          *  01 - 80%
1914          *  10 - 50%
1915          *  11 - 100%
1916          *
1917          *  bit 0: 0 disable BCL, 1 enable BCL
1918          *  bit 1: 1 tell to store the battery limit (see bits 6,7) too
1919          *  bits 2,3: reserved
1920          *  bits 4,5: store the limit into the EC
1921          *  bits 6,7: store the limit into the battery
1922          */
1923         cmd = 0;
1924
1925         if (value > 0) {
1926                 if (value <= 50)
1927                         cmd = 0x20;
1928
1929                 else if (value <= 80)
1930                         cmd = 0x10;
1931
1932                 else if (value <= 100)
1933                         cmd = 0x30;
1934
1935                 else
1936                         return -EINVAL;
1937
1938                 /*
1939                  * handle 0x0115 should allow storing on battery too;
1940                  * handle 0x0136 same as 0x0115 + health status;
1941                  * handle 0x013f, same as 0x0136 but no storing on the battery
1942                  */
1943                 if (bcare_ctl->handle != 0x013f)
1944                         cmd = cmd | (cmd << 2);
1945
1946                 cmd = (cmd | 0x1) << 0x10;
1947         }
1948
1949         if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1950                 return -EIO;
1951
1952         return count;
1953 }
1954
1955 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1956                 struct device_attribute *attr, char *buffer)
1957 {
1958         unsigned int result, status;
1959
1960         if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1961                 return -EIO;
1962
1963         status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1964         switch (status) {
1965         case 1:
1966                 status = 80;
1967                 break;
1968         case 2:
1969                 status = 50;
1970                 break;
1971         case 3:
1972                 status = 100;
1973                 break;
1974         default:
1975                 status = 0;
1976                 break;
1977         }
1978
1979         return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1980 }
1981
1982 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1983                 struct device_attribute *attr, char *buffer)
1984 {
1985         ssize_t count = 0;
1986         unsigned int health;
1987
1988         if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1989                 return -EIO;
1990
1991         count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1992
1993         return count;
1994 }
1995
1996 static int sony_nc_battery_care_setup(struct platform_device *pd,
1997                 unsigned int handle)
1998 {
1999         int ret = 0;
2000
2001         bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2002         if (!bcare_ctl)
2003                 return -ENOMEM;
2004
2005         bcare_ctl->handle = handle;
2006
2007         sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2008         bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2009         bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2010         bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2011         bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2012
2013         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2014         if (ret)
2015                 goto outkzalloc;
2016
2017         /* 0x0115 is for models with no health reporting capability */
2018         if (handle == 0x0115)
2019                 return 0;
2020
2021         sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2022         bcare_ctl->attrs[1].attr.name = "battery_care_health";
2023         bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2024         bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2025
2026         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2027         if (ret)
2028                 goto outlimiter;
2029
2030         return 0;
2031
2032 outlimiter:
2033         device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2034
2035 outkzalloc:
2036         kfree(bcare_ctl);
2037         bcare_ctl = NULL;
2038
2039         return ret;
2040 }
2041
2042 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2043 {
2044         if (bcare_ctl) {
2045                 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2046                 if (bcare_ctl->handle != 0x0115)
2047                         device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2048
2049                 kfree(bcare_ctl);
2050                 bcare_ctl = NULL;
2051         }
2052 }
2053
2054 struct snc_thermal_ctrl {
2055         unsigned int mode;
2056         unsigned int profiles;
2057         struct device_attribute mode_attr;
2058         struct device_attribute profiles_attr;
2059 };
2060 static struct snc_thermal_ctrl *th_handle;
2061
2062 #define THM_PROFILE_MAX 3
2063 static const char * const snc_thermal_profiles[] = {
2064         "balanced",
2065         "silent",
2066         "performance"
2067 };
2068
2069 static int sony_nc_thermal_mode_set(unsigned short mode)
2070 {
2071         unsigned int result;
2072
2073         /* the thermal profile seems to be a two bit bitmask:
2074          * lsb -> silent
2075          * msb -> performance
2076          * no bit set is the normal operation and is always valid
2077          * Some vaio models only have "balanced" and "performance"
2078          */
2079         if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2080                 return -EINVAL;
2081
2082         if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2083                 return -EIO;
2084
2085         th_handle->mode = mode;
2086
2087         return 0;
2088 }
2089
2090 static int sony_nc_thermal_mode_get(void)
2091 {
2092         unsigned int result;
2093
2094         if (sony_call_snc_handle(0x0122, 0x0100, &result))
2095                 return -EIO;
2096
2097         return result & 0xff;
2098 }
2099
2100 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2101                 struct device_attribute *attr, char *buffer)
2102 {
2103         short cnt;
2104         size_t idx = 0;
2105
2106         for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2107                 if (!cnt || (th_handle->profiles & cnt))
2108                         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2109                                         snc_thermal_profiles[cnt]);
2110         }
2111         idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2112
2113         return idx;
2114 }
2115
2116 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2117                 struct device_attribute *attr,
2118                 const char *buffer, size_t count)
2119 {
2120         unsigned short cmd;
2121         size_t len = count;
2122
2123         if (count == 0)
2124                 return -EINVAL;
2125
2126         /* skip the newline if present */
2127         if (buffer[len - 1] == '\n')
2128                 len--;
2129
2130         for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2131                 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2132                         break;
2133
2134         if (sony_nc_thermal_mode_set(cmd))
2135                 return -EIO;
2136
2137         return count;
2138 }
2139
2140 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2141                 struct device_attribute *attr, char *buffer)
2142 {
2143         ssize_t count = 0;
2144         int mode = sony_nc_thermal_mode_get();
2145
2146         if (mode < 0)
2147                 return mode;
2148
2149         count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2150
2151         return count;
2152 }
2153
2154 static int sony_nc_thermal_setup(struct platform_device *pd)
2155 {
2156         int ret = 0;
2157         th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2158         if (!th_handle)
2159                 return -ENOMEM;
2160
2161         ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2162         if (ret) {
2163                 pr_warn("couldn't to read the thermal profiles\n");
2164                 goto outkzalloc;
2165         }
2166
2167         ret = sony_nc_thermal_mode_get();
2168         if (ret < 0) {
2169                 pr_warn("couldn't to read the current thermal profile");
2170                 goto outkzalloc;
2171         }
2172         th_handle->mode = ret;
2173
2174         sysfs_attr_init(&th_handle->profiles_attr.attr);
2175         th_handle->profiles_attr.attr.name = "thermal_profiles";
2176         th_handle->profiles_attr.attr.mode = S_IRUGO;
2177         th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2178
2179         sysfs_attr_init(&th_handle->mode_attr.attr);
2180         th_handle->mode_attr.attr.name = "thermal_control";
2181         th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2182         th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2183         th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2184
2185         ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2186         if (ret)
2187                 goto outkzalloc;
2188
2189         ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2190         if (ret)
2191                 goto outprofiles;
2192
2193         return 0;
2194
2195 outprofiles:
2196         device_remove_file(&pd->dev, &th_handle->profiles_attr);
2197 outkzalloc:
2198         kfree(th_handle);
2199         th_handle = NULL;
2200         return ret;
2201 }
2202
2203 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2204 {
2205         if (th_handle) {
2206                 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2207                 device_remove_file(&pd->dev, &th_handle->mode_attr);
2208                 kfree(th_handle);
2209                 th_handle = NULL;
2210         }
2211 }
2212
2213 #ifdef CONFIG_PM_SLEEP
2214 static void sony_nc_thermal_resume(void)
2215 {
2216         unsigned int status = sony_nc_thermal_mode_get();
2217
2218         if (status != th_handle->mode)
2219                 sony_nc_thermal_mode_set(th_handle->mode);
2220 }
2221 #endif
2222
2223 /* resume on LID open */
2224 struct snc_lid_resume_control {
2225         struct device_attribute attrs[3];
2226         unsigned int status;
2227 };
2228 static struct snc_lid_resume_control *lid_ctl;
2229
2230 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2231                                         struct device_attribute *attr,
2232                                         const char *buffer, size_t count)
2233 {
2234         unsigned int result, pos;
2235         unsigned long value;
2236         if (count > 31)
2237                 return -EINVAL;
2238
2239         if (kstrtoul(buffer, 10, &value) || value > 1)
2240                 return -EINVAL;
2241
2242         /* the value we have to write to SNC is a bitmask:
2243          * +--------------+
2244          * | S3 | S4 | S5 |
2245          * +--------------+
2246          *   2    1    0
2247          */
2248         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2249                 pos = 2;
2250         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2251                 pos = 1;
2252         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2253                 pos = 0;
2254         else
2255                return -EINVAL;
2256
2257         if (value)
2258                 value = lid_ctl->status | (1 << pos);
2259         else
2260                 value = lid_ctl->status & ~(1 << pos);
2261
2262         if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2263                 return -EIO;
2264
2265         lid_ctl->status = value;
2266
2267         return count;
2268 }
2269
2270 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2271                                        struct device_attribute *attr, char *buffer)
2272 {
2273         unsigned int pos;
2274
2275         if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2276                 pos = 2;
2277         else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2278                 pos = 1;
2279         else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2280                 pos = 0;
2281         else
2282                 return -EINVAL;
2283
2284         return snprintf(buffer, PAGE_SIZE, "%d\n",
2285                         (lid_ctl->status >> pos) & 0x01);
2286 }
2287
2288 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2289 {
2290         unsigned int result;
2291         int i;
2292
2293         if (sony_call_snc_handle(0x0119, 0x0000, &result))
2294                 return -EIO;
2295
2296         lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2297         if (!lid_ctl)
2298                 return -ENOMEM;
2299
2300         lid_ctl->status = result & 0x7;
2301
2302         sysfs_attr_init(&lid_ctl->attrs[0].attr);
2303         lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2304         lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2305         lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2306         lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2307
2308         sysfs_attr_init(&lid_ctl->attrs[1].attr);
2309         lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2310         lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2311         lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2312         lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2313
2314         sysfs_attr_init(&lid_ctl->attrs[2].attr);
2315         lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2316         lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2317         lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2318         lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2319
2320         for (i = 0; i < 3; i++) {
2321                 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2322                 if (result)
2323                         goto liderror;
2324         }
2325
2326         return 0;
2327
2328 liderror:
2329         for (i--; i >= 0; i--)
2330                 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2331
2332         kfree(lid_ctl);
2333         lid_ctl = NULL;
2334
2335         return result;
2336 }
2337
2338 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2339 {
2340         int i;
2341
2342         if (lid_ctl) {
2343                 for (i = 0; i < 3; i++)
2344                         device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2345
2346                 kfree(lid_ctl);
2347                 lid_ctl = NULL;
2348         }
2349 }
2350
2351 /* GFX Switch position */
2352 enum gfx_switch {
2353         SPEED,
2354         STAMINA,
2355         AUTO
2356 };
2357 struct snc_gfx_switch_control {
2358         struct device_attribute attr;
2359         unsigned int handle;
2360 };
2361 static struct snc_gfx_switch_control *gfxs_ctl;
2362
2363 /* returns 0 for speed, 1 for stamina */
2364 static int __sony_nc_gfx_switch_status_get(void)
2365 {
2366         unsigned int result;
2367
2368         if (sony_call_snc_handle(gfxs_ctl->handle,
2369                                 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2370                                 &result))
2371                 return -EIO;
2372
2373         switch (gfxs_ctl->handle) {
2374         case 0x0146:
2375                 /* 1: discrete GFX (speed)
2376                  * 0: integrated GFX (stamina)
2377                  */
2378                 return result & 0x1 ? SPEED : STAMINA;
2379                 break;
2380         case 0x015B:
2381                 /* 0: discrete GFX (speed)
2382                  * 1: integrated GFX (stamina)
2383                  */
2384                 return result & 0x1 ? STAMINA : SPEED;
2385                 break;
2386         case 0x0128:
2387                 /* it's a more elaborated bitmask, for now:
2388                  * 2: integrated GFX (stamina)
2389                  * 0: discrete GFX (speed)
2390                  */
2391                 dprintk("GFX Status: 0x%x\n", result);
2392                 return result & 0x80 ? AUTO :
2393                         result & 0x02 ? STAMINA : SPEED;
2394                 break;
2395         }
2396         return -EINVAL;
2397 }
2398
2399 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2400                                        struct device_attribute *attr,
2401                                        char *buffer)
2402 {
2403         int pos = __sony_nc_gfx_switch_status_get();
2404
2405         if (pos < 0)
2406                 return pos;
2407
2408         return snprintf(buffer, PAGE_SIZE, "%s\n",
2409                                         pos == SPEED ? "speed" :
2410                                         pos == STAMINA ? "stamina" :
2411                                         pos == AUTO ? "auto" : "unknown");
2412 }
2413
2414 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2415                 unsigned int handle)
2416 {
2417         unsigned int result;
2418
2419         gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2420         if (!gfxs_ctl)
2421                 return -ENOMEM;
2422
2423         gfxs_ctl->handle = handle;
2424
2425         sysfs_attr_init(&gfxs_ctl->attr.attr);
2426         gfxs_ctl->attr.attr.name = "gfx_switch_status";
2427         gfxs_ctl->attr.attr.mode = S_IRUGO;
2428         gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2429
2430         result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2431         if (result)
2432                 goto gfxerror;
2433
2434         return 0;
2435
2436 gfxerror:
2437         kfree(gfxs_ctl);
2438         gfxs_ctl = NULL;
2439
2440         return result;
2441 }
2442
2443 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2444 {
2445         if (gfxs_ctl) {
2446                 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2447
2448                 kfree(gfxs_ctl);
2449                 gfxs_ctl = NULL;
2450         }
2451 }
2452
2453 /* High speed charging function */
2454 static struct device_attribute *hsc_handle;
2455
2456 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2457                 struct device_attribute *attr,
2458                 const char *buffer, size_t count)
2459 {
2460         unsigned int result;
2461         unsigned long value;
2462
2463         if (count > 31)
2464                 return -EINVAL;
2465
2466         if (kstrtoul(buffer, 10, &value) || value > 1)
2467                 return -EINVAL;
2468
2469         if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2470                 return -EIO;
2471
2472         return count;
2473 }
2474
2475 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2476                 struct device_attribute *attr, char *buffer)
2477 {
2478         unsigned int result;
2479
2480         if (sony_call_snc_handle(0x0131, 0x0100, &result))
2481                 return -EIO;
2482
2483         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2484 }
2485
2486 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2487 {
2488         unsigned int result;
2489
2490         if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2491                 /* some models advertise the handle but have no implementation
2492                  * for it
2493                  */
2494                 pr_info("No High Speed Charging capability found\n");
2495                 return 0;
2496         }
2497
2498         hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2499         if (!hsc_handle)
2500                 return -ENOMEM;
2501
2502         sysfs_attr_init(&hsc_handle->attr);
2503         hsc_handle->attr.name = "battery_highspeed_charging";
2504         hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2505         hsc_handle->show = sony_nc_highspeed_charging_show;
2506         hsc_handle->store = sony_nc_highspeed_charging_store;
2507
2508         result = device_create_file(&pd->dev, hsc_handle);
2509         if (result) {
2510                 kfree(hsc_handle);
2511                 hsc_handle = NULL;
2512                 return result;
2513         }
2514
2515         return 0;
2516 }
2517
2518 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2519 {
2520         if (hsc_handle) {
2521                 device_remove_file(&pd->dev, hsc_handle);
2522                 kfree(hsc_handle);
2523                 hsc_handle = NULL;
2524         }
2525 }
2526
2527 /* Touchpad enable/disable */
2528 struct touchpad_control {
2529         struct device_attribute attr;
2530         int handle;
2531 };
2532 static struct touchpad_control *tp_ctl;
2533
2534 static ssize_t sony_nc_touchpad_store(struct device *dev,
2535                 struct device_attribute *attr, const char *buffer, size_t count)
2536 {
2537         unsigned int result;
2538         unsigned long value;
2539
2540         if (count > 31)
2541                 return -EINVAL;
2542
2543         if (kstrtoul(buffer, 10, &value) || value > 1)
2544                 return -EINVAL;
2545
2546         /* sysfs: 0 disabled, 1 enabled
2547          * EC: 0 enabled, 1 disabled
2548          */
2549         if (sony_call_snc_handle(tp_ctl->handle,
2550                                 (!value << 0x10) | 0x100, &result))
2551                 return -EIO;
2552
2553         return count;
2554 }
2555
2556 static ssize_t sony_nc_touchpad_show(struct device *dev,
2557                 struct device_attribute *attr, char *buffer)
2558 {
2559         unsigned int result;
2560
2561         if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2562                 return -EINVAL;
2563
2564         return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2565 }
2566
2567 static int sony_nc_touchpad_setup(struct platform_device *pd,
2568                 unsigned int handle)
2569 {
2570         int ret = 0;
2571
2572         tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2573         if (!tp_ctl)
2574                 return -ENOMEM;
2575
2576         tp_ctl->handle = handle;
2577
2578         sysfs_attr_init(&tp_ctl->attr.attr);
2579         tp_ctl->attr.attr.name = "touchpad";
2580         tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2581         tp_ctl->attr.show = sony_nc_touchpad_show;
2582         tp_ctl->attr.store = sony_nc_touchpad_store;
2583
2584         ret = device_create_file(&pd->dev, &tp_ctl->attr);
2585         if (ret) {
2586                 kfree(tp_ctl);
2587                 tp_ctl = NULL;
2588         }
2589
2590         return ret;
2591 }
2592
2593 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2594 {
2595         if (tp_ctl) {
2596                 device_remove_file(&pd->dev, &tp_ctl->attr);
2597                 kfree(tp_ctl);
2598                 tp_ctl = NULL;
2599         }
2600 }
2601
2602 static void sony_nc_backlight_ng_read_limits(int handle,
2603                 struct sony_backlight_props *props)
2604 {
2605         u64 offset;
2606         int i;
2607         int lvl_table_len = 0;
2608         u8 min = 0xff, max = 0x00;
2609         unsigned char buffer[32] = { 0 };
2610
2611         props->handle = handle;
2612         props->offset = 0;
2613         props->maxlvl = 0xff;
2614
2615         offset = sony_find_snc_handle(handle);
2616
2617         /* try to read the boundaries from ACPI tables, if we fail the above
2618          * defaults should be reasonable
2619          */
2620         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2621                         32);
2622         if (i < 0)
2623                 return;
2624
2625         switch (handle) {
2626         case 0x012f:
2627         case 0x0137:
2628                 lvl_table_len = 9;
2629                 break;
2630         case 0x143:
2631         case 0x14b:
2632         case 0x14c:
2633                 lvl_table_len = 16;
2634                 break;
2635         }
2636
2637         /* the buffer lists brightness levels available, brightness levels are
2638          * from position 0 to 8 in the array, other values are used by ALS
2639          * control.
2640          */
2641         for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2642
2643                 dprintk("Brightness level: %d\n", buffer[i]);
2644
2645                 if (!buffer[i])
2646                         break;
2647
2648                 if (buffer[i] > max)
2649                         max = buffer[i];
2650                 if (buffer[i] < min)
2651                         min = buffer[i];
2652         }
2653         props->offset = min;
2654         props->maxlvl = max;
2655         dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2656                         props->maxlvl);
2657 }
2658
2659 static void sony_nc_backlight_setup(void)
2660 {
2661         int max_brightness = 0;
2662         const struct backlight_ops *ops = NULL;
2663         struct backlight_properties props;
2664
2665         if (sony_find_snc_handle(0x12f) >= 0) {
2666                 ops = &sony_backlight_ng_ops;
2667                 sony_bl_props.cmd_base = 0x0100;
2668                 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2669                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2670
2671         } else if (sony_find_snc_handle(0x137) >= 0) {
2672                 ops = &sony_backlight_ng_ops;
2673                 sony_bl_props.cmd_base = 0x0100;
2674                 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2675                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2676
2677         } else if (sony_find_snc_handle(0x143) >= 0) {
2678                 ops = &sony_backlight_ng_ops;
2679                 sony_bl_props.cmd_base = 0x3000;
2680                 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2681                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2682
2683         } else if (sony_find_snc_handle(0x14b) >= 0) {
2684                 ops = &sony_backlight_ng_ops;
2685                 sony_bl_props.cmd_base = 0x3000;
2686                 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2687                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2688
2689         } else if (sony_find_snc_handle(0x14c) >= 0) {
2690                 ops = &sony_backlight_ng_ops;
2691                 sony_bl_props.cmd_base = 0x3000;
2692                 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2693                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2694
2695         } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
2696                 ops = &sony_backlight_ops;
2697                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2698
2699         } else
2700                 return;
2701
2702         memset(&props, 0, sizeof(struct backlight_properties));
2703         props.type = BACKLIGHT_PLATFORM;
2704         props.max_brightness = max_brightness;
2705         sony_bl_props.dev = backlight_device_register("sony", NULL,
2706                                                       &sony_bl_props,
2707                                                       ops, &props);
2708
2709         if (IS_ERR(sony_bl_props.dev)) {
2710                 pr_warn("unable to register backlight device\n");
2711                 sony_bl_props.dev = NULL;
2712         } else
2713                 sony_bl_props.dev->props.brightness =
2714                         ops->get_brightness(sony_bl_props.dev);
2715 }
2716
2717 static void sony_nc_backlight_cleanup(void)
2718 {
2719         if (sony_bl_props.dev)
2720                 backlight_device_unregister(sony_bl_props.dev);
2721 }
2722
2723 static int sony_nc_add(struct acpi_device *device)
2724 {
2725         acpi_status status;
2726         int result = 0;
2727         struct sony_nc_value *item;
2728
2729         pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2730
2731         sony_nc_acpi_device = device;
2732         strcpy(acpi_device_class(device), "sony/hotkey");
2733
2734         sony_nc_acpi_handle = device->handle;
2735
2736         /* read device status */
2737         result = acpi_bus_get_status(device);
2738         /* bail IFF the above call was successful and the device is not present */
2739         if (!result && !device->status.present) {
2740                 dprintk("Device not present\n");
2741                 result = -ENODEV;
2742                 goto outwalk;
2743         }
2744
2745         result = sony_pf_add();
2746         if (result)
2747                 goto outpresent;
2748
2749         if (debug) {
2750                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2751                                 sony_nc_acpi_handle, 1, sony_walk_callback,
2752                                 NULL, NULL, NULL);
2753                 if (ACPI_FAILURE(status)) {
2754                         pr_warn("unable to walk acpi resources\n");
2755                         result = -ENODEV;
2756                         goto outpresent;
2757                 }
2758         }
2759
2760         result = sony_laptop_setup_input(device);
2761         if (result) {
2762                 pr_err("Unable to create input devices\n");
2763                 goto outplatform;
2764         }
2765
2766         if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
2767                 int arg = 1;
2768                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2769                         dprintk("ECON Method failed\n");
2770         }
2771
2772         if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
2773                 dprintk("Doing SNC setup\n");
2774                 /* retrieve the available handles */
2775                 result = sony_nc_handles_setup(sony_pf_device);
2776                 if (!result)
2777                         sony_nc_function_setup(device, sony_pf_device);
2778         }
2779
2780         /* setup input devices and helper fifo */
2781         if (acpi_video_backlight_support()) {
2782                 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2783         } else {
2784                 sony_nc_backlight_setup();
2785         }
2786
2787         /* create sony_pf sysfs attributes related to the SNC device */
2788         for (item = sony_nc_values; item->name; ++item) {
2789
2790                 if (!debug && item->debug)
2791                         continue;
2792
2793                 /* find the available acpiget as described in the DSDT */
2794                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2795                         if (acpi_has_method(sony_nc_acpi_handle,
2796                                                         *item->acpiget)) {
2797                                 dprintk("Found %s getter: %s\n",
2798                                                 item->name, *item->acpiget);
2799                                 item->devattr.attr.mode |= S_IRUGO;
2800                                 break;
2801                         }
2802                 }
2803
2804                 /* find the available acpiset as described in the DSDT */
2805                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2806                         if (acpi_has_method(sony_nc_acpi_handle,
2807                                                         *item->acpiset)) {
2808                                 dprintk("Found %s setter: %s\n",
2809                                                 item->name, *item->acpiset);
2810                                 item->devattr.attr.mode |= S_IWUSR;
2811                                 break;
2812                         }
2813                 }
2814
2815                 if (item->devattr.attr.mode != 0) {
2816                         result =
2817                             device_create_file(&sony_pf_device->dev,
2818                                                &item->devattr);
2819                         if (result)
2820                                 goto out_sysfs;
2821                 }
2822         }
2823
2824         return 0;
2825
2826 out_sysfs:
2827         for (item = sony_nc_values; item->name; ++item) {
2828                 device_remove_file(&sony_pf_device->dev, &item->devattr);
2829         }
2830         sony_nc_backlight_cleanup();
2831         sony_nc_function_cleanup(sony_pf_device);
2832         sony_nc_handles_cleanup(sony_pf_device);
2833
2834 outplatform:
2835         sony_laptop_remove_input();
2836
2837 outpresent:
2838         sony_pf_remove();
2839
2840 outwalk:
2841         sony_nc_rfkill_cleanup();
2842         return result;
2843 }
2844
2845 static int sony_nc_remove(struct acpi_device *device)
2846 {
2847         struct sony_nc_value *item;
2848
2849         sony_nc_backlight_cleanup();
2850
2851         sony_nc_acpi_device = NULL;
2852
2853         for (item = sony_nc_values; item->name; ++item) {
2854                 device_remove_file(&sony_pf_device->dev, &item->devattr);
2855         }
2856
2857         sony_nc_function_cleanup(sony_pf_device);
2858         sony_nc_handles_cleanup(sony_pf_device);
2859         sony_pf_remove();
2860         sony_laptop_remove_input();
2861         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2862
2863         return 0;
2864 }
2865
2866 static const struct acpi_device_id sony_device_ids[] = {
2867         {SONY_NC_HID, 0},
2868         {SONY_PIC_HID, 0},
2869         {"", 0},
2870 };
2871 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2872
2873 static const struct acpi_device_id sony_nc_device_ids[] = {
2874         {SONY_NC_HID, 0},
2875         {"", 0},
2876 };
2877
2878 static struct acpi_driver sony_nc_driver = {
2879         .name = SONY_NC_DRIVER_NAME,
2880         .class = SONY_NC_CLASS,
2881         .ids = sony_nc_device_ids,
2882         .owner = THIS_MODULE,
2883         .ops = {
2884                 .add = sony_nc_add,
2885                 .remove = sony_nc_remove,
2886                 .notify = sony_nc_notify,
2887                 },
2888         .drv.pm = &sony_nc_pm,
2889 };
2890
2891 /*********** SPIC (SNY6001) Device ***********/
2892
2893 #define SONYPI_DEVICE_TYPE1     0x00000001
2894 #define SONYPI_DEVICE_TYPE2     0x00000002
2895 #define SONYPI_DEVICE_TYPE3     0x00000004
2896
2897 #define SONYPI_TYPE1_OFFSET     0x04
2898 #define SONYPI_TYPE2_OFFSET     0x12
2899 #define SONYPI_TYPE3_OFFSET     0x12
2900
2901 struct sony_pic_ioport {
2902         struct acpi_resource_io io1;
2903         struct acpi_resource_io io2;
2904         struct list_head        list;
2905 };
2906
2907 struct sony_pic_irq {
2908         struct acpi_resource_irq        irq;
2909         struct list_head                list;
2910 };
2911
2912 struct sonypi_eventtypes {
2913         u8                      data;
2914         unsigned long           mask;
2915         struct sonypi_event     *events;
2916 };
2917
2918 struct sony_pic_dev {
2919         struct acpi_device              *acpi_dev;
2920         struct sony_pic_irq             *cur_irq;
2921         struct sony_pic_ioport          *cur_ioport;
2922         struct list_head                interrupts;
2923         struct list_head                ioports;
2924         struct mutex                    lock;
2925         struct sonypi_eventtypes        *event_types;
2926         int                             (*handle_irq)(const u8, const u8);
2927         int                             model;
2928         u16                             evport_offset;
2929         u8                              camera_power;
2930         u8                              bluetooth_power;
2931         u8                              wwan_power;
2932 };
2933
2934 static struct sony_pic_dev spic_dev = {
2935         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
2936         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
2937 };
2938
2939 static int spic_drv_registered;
2940
2941 /* Event masks */
2942 #define SONYPI_JOGGER_MASK                      0x00000001
2943 #define SONYPI_CAPTURE_MASK                     0x00000002
2944 #define SONYPI_FNKEY_MASK                       0x00000004
2945 #define SONYPI_BLUETOOTH_MASK                   0x00000008
2946 #define SONYPI_PKEY_MASK                        0x00000010
2947 #define SONYPI_BACK_MASK                        0x00000020
2948 #define SONYPI_HELP_MASK                        0x00000040
2949 #define SONYPI_LID_MASK                         0x00000080
2950 #define SONYPI_ZOOM_MASK                        0x00000100
2951 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
2952 #define SONYPI_MEYE_MASK                        0x00000400
2953 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
2954 #define SONYPI_BATTERY_MASK                     0x00001000
2955 #define SONYPI_WIRELESS_MASK                    0x00002000
2956
2957 struct sonypi_event {
2958         u8      data;
2959         u8      event;
2960 };
2961
2962 /* The set of possible button release events */
2963 static struct sonypi_event sonypi_releaseev[] = {
2964         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2965         { 0, 0 }
2966 };
2967
2968 /* The set of possible jogger events  */
2969 static struct sonypi_event sonypi_joggerev[] = {
2970         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2971         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2972         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2973         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2974         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2975         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2976         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2977         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2978         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2979         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2980         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2981         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2982         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2983         { 0, 0 }
2984 };
2985
2986 /* The set of possible capture button events */
2987 static struct sonypi_event sonypi_captureev[] = {
2988         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2989         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2990         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2991         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2992         { 0, 0 }
2993 };
2994
2995 /* The set of possible fnkeys events */
2996 static struct sonypi_event sonypi_fnkeyev[] = {
2997         { 0x10, SONYPI_EVENT_FNKEY_ESC },
2998         { 0x11, SONYPI_EVENT_FNKEY_F1 },
2999         { 0x12, SONYPI_EVENT_FNKEY_F2 },
3000         { 0x13, SONYPI_EVENT_FNKEY_F3 },
3001         { 0x14, SONYPI_EVENT_FNKEY_F4 },
3002         { 0x15, SONYPI_EVENT_FNKEY_F5 },
3003         { 0x16, SONYPI_EVENT_FNKEY_F6 },
3004         { 0x17, SONYPI_EVENT_FNKEY_F7 },
3005         { 0x18, SONYPI_EVENT_FNKEY_F8 },
3006         { 0x19, SONYPI_EVENT_FNKEY_F9 },
3007         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3008         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3009         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3010         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3011         { 0x21, SONYPI_EVENT_FNKEY_1 },
3012         { 0x22, SONYPI_EVENT_FNKEY_2 },
3013         { 0x31, SONYPI_EVENT_FNKEY_D },
3014         { 0x32, SONYPI_EVENT_FNKEY_E },
3015         { 0x33, SONYPI_EVENT_FNKEY_F },
3016         { 0x34, SONYPI_EVENT_FNKEY_S },
3017         { 0x35, SONYPI_EVENT_FNKEY_B },
3018         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3019         { 0, 0 }
3020 };
3021
3022 /* The set of possible program key events */
3023 static struct sonypi_event sonypi_pkeyev[] = {
3024         { 0x01, SONYPI_EVENT_PKEY_P1 },
3025         { 0x02, SONYPI_EVENT_PKEY_P2 },
3026         { 0x04, SONYPI_EVENT_PKEY_P3 },
3027         { 0x20, SONYPI_EVENT_PKEY_P1 },
3028         { 0, 0 }
3029 };
3030
3031 /* The set of possible bluetooth events */
3032 static struct sonypi_event sonypi_blueev[] = {
3033         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3034         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3035         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3036         { 0, 0 }
3037 };
3038
3039 /* The set of possible wireless events */
3040 static struct sonypi_event sonypi_wlessev[] = {
3041         { 0x59, SONYPI_EVENT_IGNORE },
3042         { 0x5a, SONYPI_EVENT_IGNORE },
3043         { 0, 0 }
3044 };
3045
3046 /* The set of possible back button events */
3047 static struct sonypi_event sonypi_backev[] = {
3048         { 0x20, SONYPI_EVENT_BACK_PRESSED },
3049         { 0, 0 }
3050 };
3051
3052 /* The set of possible help button events */
3053 static struct sonypi_event sonypi_helpev[] = {
3054         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3055         { 0, 0 }
3056 };
3057
3058
3059 /* The set of possible lid events */
3060 static struct sonypi_event sonypi_lidev[] = {
3061         { 0x51, SONYPI_EVENT_LID_CLOSED },
3062         { 0x50, SONYPI_EVENT_LID_OPENED },
3063         { 0, 0 }
3064 };
3065
3066 /* The set of possible zoom events */
3067 static struct sonypi_event sonypi_zoomev[] = {
3068         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3069         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3070         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3071         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3072         { 0, 0 }
3073 };
3074
3075 /* The set of possible thumbphrase events */
3076 static struct sonypi_event sonypi_thumbphraseev[] = {
3077         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3078         { 0, 0 }
3079 };
3080
3081 /* The set of possible motioneye camera events */
3082 static struct sonypi_event sonypi_meyeev[] = {
3083         { 0x00, SONYPI_EVENT_MEYE_FACE },
3084         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3085         { 0, 0 }
3086 };
3087
3088 /* The set of possible memorystick events */
3089 static struct sonypi_event sonypi_memorystickev[] = {
3090         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3091         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3092         { 0, 0 }
3093 };
3094
3095 /* The set of possible battery events */
3096 static struct sonypi_event sonypi_batteryev[] = {
3097         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3098         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3099         { 0, 0 }
3100 };
3101
3102 /* The set of possible volume events */
3103 static struct sonypi_event sonypi_volumeev[] = {
3104         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3105         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3106         { 0, 0 }
3107 };
3108
3109 /* The set of possible brightness events */
3110 static struct sonypi_event sonypi_brightnessev[] = {
3111         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3112         { 0, 0 }
3113 };
3114
3115 static struct sonypi_eventtypes type1_events[] = {
3116         { 0, 0xffffffff, sonypi_releaseev },
3117         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3118         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3119         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3120         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3121         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3122         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3123         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3124         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3125         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3126         { 0 },
3127 };
3128 static struct sonypi_eventtypes type2_events[] = {
3129         { 0, 0xffffffff, sonypi_releaseev },
3130         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3131         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3132         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3133         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3134         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3135         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3136         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3137         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3138         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3139         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3140         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3141         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3142         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3143         { 0 },
3144 };
3145 static struct sonypi_eventtypes type3_events[] = {
3146         { 0, 0xffffffff, sonypi_releaseev },
3147         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3148         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3149         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3150         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3151         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3152         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3153         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3154         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3155         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3156         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3157         { 0 },
3158 };
3159
3160 /* low level spic calls */
3161 #define ITERATIONS_LONG         10000
3162 #define ITERATIONS_SHORT        10
3163 #define wait_on_command(command, iterations) {                          \
3164         unsigned int n = iterations;                                    \
3165         while (--n && (command))                                        \
3166                 udelay(1);                                              \
3167         if (!n)                                                         \
3168                 dprintk("command failed at %s : %s (line %d)\n",        \
3169                                 __FILE__, __func__, __LINE__);  \
3170 }
3171
3172 static u8 sony_pic_call1(u8 dev)
3173 {
3174         u8 v1, v2;
3175
3176         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3177                         ITERATIONS_LONG);
3178         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3179         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3180         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3181         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3182         return v2;
3183 }
3184
3185 static u8 sony_pic_call2(u8 dev, u8 fn)
3186 {
3187         u8 v1;
3188
3189         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3190                         ITERATIONS_LONG);
3191         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3192         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3193                         ITERATIONS_LONG);
3194         outb(fn, spic_dev.cur_ioport->io1.minimum);
3195         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3196         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3197         return v1;
3198 }
3199
3200 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3201 {
3202         u8 v1;
3203
3204         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3205         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3206         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3207         outb(fn, spic_dev.cur_ioport->io1.minimum);
3208         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3209         outb(v, spic_dev.cur_ioport->io1.minimum);
3210         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3211         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3212                         dev, fn, v, v1);
3213         return v1;
3214 }
3215
3216 /*
3217  * minidrivers for SPIC models
3218  */
3219 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3220 {
3221         /*
3222          * 0x31 could mean we have to take some extra action and wait for
3223          * the next irq for some Type3 models, it will generate a new
3224          * irq and we can read new data from the device:
3225          *  - 0x5c and 0x5f requires 0xA0
3226          *  - 0x61 requires 0xB3
3227          */
3228         if (data_mask == 0x31) {
3229                 if (ev == 0x5c || ev == 0x5f)
3230                         sony_pic_call1(0xA0);
3231                 else if (ev == 0x61)
3232                         sony_pic_call1(0xB3);
3233                 return 0;
3234         }
3235         return 1;
3236 }
3237
3238 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3239 {
3240         struct pci_dev *pcidev;
3241
3242         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3243                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3244         if (pcidev) {
3245                 dev->model = SONYPI_DEVICE_TYPE1;
3246                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3247                 dev->event_types = type1_events;
3248                 goto out;
3249         }
3250
3251         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3252                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3253         if (pcidev) {
3254                 dev->model = SONYPI_DEVICE_TYPE2;
3255                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3256                 dev->event_types = type2_events;
3257                 goto out;
3258         }
3259
3260         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3261                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3262         if (pcidev) {
3263                 dev->model = SONYPI_DEVICE_TYPE3;
3264                 dev->handle_irq = type3_handle_irq;
3265                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3266                 dev->event_types = type3_events;
3267                 goto out;
3268         }
3269
3270         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3271                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3272         if (pcidev) {
3273                 dev->model = SONYPI_DEVICE_TYPE3;
3274                 dev->handle_irq = type3_handle_irq;
3275                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3276                 dev->event_types = type3_events;
3277                 goto out;
3278         }
3279
3280         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3281                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3282         if (pcidev) {
3283                 dev->model = SONYPI_DEVICE_TYPE3;
3284                 dev->handle_irq = type3_handle_irq;
3285                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3286                 dev->event_types = type3_events;
3287                 goto out;
3288         }
3289
3290         /* default */
3291         dev->model = SONYPI_DEVICE_TYPE2;
3292         dev->evport_offset = SONYPI_TYPE2_OFFSET;
3293         dev->event_types = type2_events;
3294
3295 out:
3296         if (pcidev)
3297                 pci_dev_put(pcidev);
3298
3299         pr_info("detected Type%d model\n",
3300                 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3301                 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3302 }
3303
3304 /* camera tests and poweron/poweroff */
3305 #define SONYPI_CAMERA_PICTURE           5
3306 #define SONYPI_CAMERA_CONTROL           0x10
3307
3308 #define SONYPI_CAMERA_BRIGHTNESS                0
3309 #define SONYPI_CAMERA_CONTRAST                  1
3310 #define SONYPI_CAMERA_HUE                       2
3311 #define SONYPI_CAMERA_COLOR                     3
3312 #define SONYPI_CAMERA_SHARPNESS                 4
3313
3314 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
3315 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
3316 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
3317 #define SONYPI_CAMERA_MUTE_MASK                 0x40
3318
3319 /* the rest don't need a loop until not 0xff */
3320 #define SONYPI_CAMERA_AGC                       6
3321 #define SONYPI_CAMERA_AGC_MASK                  0x30
3322 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
3323
3324 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
3325 #define SONYPI_CAMERA_CONTROL                   0x10
3326
3327 #define SONYPI_CAMERA_STATUS                    7
3328 #define SONYPI_CAMERA_STATUS_READY              0x2
3329 #define SONYPI_CAMERA_STATUS_POSITION           0x4
3330
3331 #define SONYPI_DIRECTION_BACKWARDS              0x4
3332
3333 #define SONYPI_CAMERA_REVISION                  8
3334 #define SONYPI_CAMERA_ROMVERSION                9
3335
3336 static int __sony_pic_camera_ready(void)
3337 {
3338         u8 v;
3339
3340         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3341         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3342 }
3343
3344 static int __sony_pic_camera_off(void)
3345 {
3346         if (!camera) {
3347                 pr_warn("camera control not enabled\n");
3348                 return -ENODEV;
3349         }
3350
3351         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3352                                 SONYPI_CAMERA_MUTE_MASK),
3353                         ITERATIONS_SHORT);
3354
3355         if (spic_dev.camera_power) {
3356                 sony_pic_call2(0x91, 0);
3357                 spic_dev.camera_power = 0;
3358         }
3359         return 0;
3360 }
3361
3362 static int __sony_pic_camera_on(void)
3363 {
3364         int i, j, x;
3365
3366         if (!camera) {
3367                 pr_warn("camera control not enabled\n");
3368                 return -ENODEV;
3369         }
3370
3371         if (spic_dev.camera_power)
3372                 return 0;
3373
3374         for (j = 5; j > 0; j--) {
3375
3376                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3377                         msleep(10);
3378                 sony_pic_call1(0x93);
3379
3380                 for (i = 400; i > 0; i--) {
3381                         if (__sony_pic_camera_ready())
3382                                 break;
3383                         msleep(10);
3384                 }
3385                 if (i)
3386                         break;
3387         }
3388
3389         if (j == 0) {
3390                 pr_warn("failed to power on camera\n");
3391                 return -ENODEV;
3392         }
3393
3394         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3395                                 0x5a),
3396                         ITERATIONS_SHORT);
3397
3398         spic_dev.camera_power = 1;
3399         return 0;
3400 }
3401
3402 /* External camera command (exported to the motion eye v4l driver) */
3403 int sony_pic_camera_command(int command, u8 value)
3404 {
3405         if (!camera)
3406                 return -EIO;
3407
3408         mutex_lock(&spic_dev.lock);
3409
3410         switch (command) {
3411         case SONY_PIC_COMMAND_SETCAMERA:
3412                 if (value)
3413                         __sony_pic_camera_on();
3414                 else
3415                         __sony_pic_camera_off();
3416                 break;
3417         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3418                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3419                                 ITERATIONS_SHORT);
3420                 break;
3421         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3422                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3423                                 ITERATIONS_SHORT);
3424                 break;
3425         case SONY_PIC_COMMAND_SETCAMERAHUE:
3426                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3427                                 ITERATIONS_SHORT);
3428                 break;
3429         case SONY_PIC_COMMAND_SETCAMERACOLOR:
3430                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3431                                 ITERATIONS_SHORT);
3432                 break;
3433         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3434                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3435                                 ITERATIONS_SHORT);
3436                 break;
3437         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3438                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3439                                 ITERATIONS_SHORT);
3440                 break;
3441         case SONY_PIC_COMMAND_SETCAMERAAGC:
3442                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3443                                 ITERATIONS_SHORT);
3444                 break;
3445         default:
3446                 pr_err("sony_pic_camera_command invalid: %d\n", command);
3447                 break;
3448         }
3449         mutex_unlock(&spic_dev.lock);
3450         return 0;
3451 }
3452 EXPORT_SYMBOL(sony_pic_camera_command);
3453
3454 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3455 static void __sony_pic_set_wwanpower(u8 state)
3456 {
3457         state = !!state;
3458         if (spic_dev.wwan_power == state)
3459                 return;
3460         sony_pic_call2(0xB0, state);
3461         sony_pic_call1(0x82);
3462         spic_dev.wwan_power = state;
3463 }
3464
3465 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3466                 struct device_attribute *attr,
3467                 const char *buffer, size_t count)
3468 {
3469         unsigned long value;
3470         if (count > 31)
3471                 return -EINVAL;
3472
3473         if (kstrtoul(buffer, 10, &value))
3474                 return -EINVAL;
3475
3476         mutex_lock(&spic_dev.lock);
3477         __sony_pic_set_wwanpower(value);
3478         mutex_unlock(&spic_dev.lock);
3479
3480         return count;
3481 }
3482
3483 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3484                 struct device_attribute *attr, char *buffer)
3485 {
3486         ssize_t count;
3487         mutex_lock(&spic_dev.lock);
3488         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3489         mutex_unlock(&spic_dev.lock);
3490         return count;
3491 }
3492
3493 /* bluetooth subsystem power state */
3494 static void __sony_pic_set_bluetoothpower(u8 state)
3495 {
3496         state = !!state;
3497         if (spic_dev.bluetooth_power == state)
3498                 return;
3499         sony_pic_call2(0x96, state);
3500         sony_pic_call1(0x82);
3501         spic_dev.bluetooth_power = state;
3502 }
3503
3504 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3505                 struct device_attribute *attr,
3506                 const char *buffer, size_t count)
3507 {
3508         unsigned long value;
3509         if (count > 31)
3510                 return -EINVAL;
3511
3512         if (kstrtoul(buffer, 10, &value))
3513                 return -EINVAL;
3514
3515         mutex_lock(&spic_dev.lock);
3516         __sony_pic_set_bluetoothpower(value);
3517         mutex_unlock(&spic_dev.lock);
3518
3519         return count;
3520 }
3521
3522 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3523                 struct device_attribute *attr, char *buffer)
3524 {
3525         ssize_t count = 0;
3526         mutex_lock(&spic_dev.lock);
3527         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3528         mutex_unlock(&spic_dev.lock);
3529         return count;
3530 }
3531
3532 /* fan speed */
3533 /* FAN0 information (reverse engineered from ACPI tables) */
3534 #define SONY_PIC_FAN0_STATUS    0x93
3535 static int sony_pic_set_fanspeed(unsigned long value)
3536 {
3537         return ec_write(SONY_PIC_FAN0_STATUS, value);
3538 }
3539
3540 static int sony_pic_get_fanspeed(u8 *value)
3541 {
3542         return ec_read(SONY_PIC_FAN0_STATUS, value);
3543 }
3544
3545 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3546                 struct device_attribute *attr,
3547                 const char *buffer, size_t count)
3548 {
3549         unsigned long value;
3550         if (count > 31)
3551                 return -EINVAL;
3552
3553         if (kstrtoul(buffer, 10, &value))
3554                 return -EINVAL;
3555
3556         if (sony_pic_set_fanspeed(value))
3557                 return -EIO;
3558
3559         return count;
3560 }
3561
3562 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3563                 struct device_attribute *attr, char *buffer)
3564 {
3565         u8 value = 0;
3566         if (sony_pic_get_fanspeed(&value))
3567                 return -EIO;
3568
3569         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3570 }
3571
3572 #define SPIC_ATTR(_name, _mode)                                 \
3573 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
3574                 _mode, sony_pic_## _name ##_show,               \
3575                 sony_pic_## _name ##_store)
3576
3577 static SPIC_ATTR(bluetoothpower, 0644);
3578 static SPIC_ATTR(wwanpower, 0644);
3579 static SPIC_ATTR(fanspeed, 0644);
3580
3581 static struct attribute *spic_attributes[] = {
3582         &spic_attr_bluetoothpower.attr,
3583         &spic_attr_wwanpower.attr,
3584         &spic_attr_fanspeed.attr,
3585         NULL
3586 };
3587
3588 static struct attribute_group spic_attribute_group = {
3589         .attrs = spic_attributes
3590 };
3591
3592 /******** SONYPI compatibility **********/
3593 #ifdef CONFIG_SONYPI_COMPAT
3594
3595 /* battery / brightness / temperature  addresses */
3596 #define SONYPI_BAT_FLAGS        0x81
3597 #define SONYPI_LCD_LIGHT        0x96
3598 #define SONYPI_BAT1_PCTRM       0xa0
3599 #define SONYPI_BAT1_LEFT        0xa2
3600 #define SONYPI_BAT1_MAXRT       0xa4
3601 #define SONYPI_BAT2_PCTRM       0xa8
3602 #define SONYPI_BAT2_LEFT        0xaa
3603 #define SONYPI_BAT2_MAXRT       0xac
3604 #define SONYPI_BAT1_MAXTK       0xb0
3605 #define SONYPI_BAT1_FULL        0xb2
3606 #define SONYPI_BAT2_MAXTK       0xb8
3607 #define SONYPI_BAT2_FULL        0xba
3608 #define SONYPI_TEMP_STATUS      0xC1
3609
3610 struct sonypi_compat_s {
3611         struct fasync_struct    *fifo_async;
3612         struct kfifo            fifo;
3613         spinlock_t              fifo_lock;
3614         wait_queue_head_t       fifo_proc_list;
3615         atomic_t                open_count;
3616 };
3617 static struct sonypi_compat_s sonypi_compat = {
3618         .open_count = ATOMIC_INIT(0),
3619 };
3620
3621 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3622 {
3623         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3624 }
3625
3626 static int sonypi_misc_release(struct inode *inode, struct file *file)
3627 {
3628         atomic_dec(&sonypi_compat.open_count);
3629         return 0;
3630 }
3631
3632 static int sonypi_misc_open(struct inode *inode, struct file *file)
3633 {
3634         /* Flush input queue on first open */
3635         unsigned long flags;
3636
3637         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3638
3639         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3640                 kfifo_reset(&sonypi_compat.fifo);
3641
3642         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3643
3644         return 0;
3645 }
3646
3647 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3648                                 size_t count, loff_t *pos)
3649 {
3650         ssize_t ret;
3651         unsigned char c;
3652
3653         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3654             (file->f_flags & O_NONBLOCK))
3655                 return -EAGAIN;
3656
3657         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3658                                        kfifo_len(&sonypi_compat.fifo) != 0);
3659         if (ret)
3660                 return ret;
3661
3662         while (ret < count &&
3663                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3664                           &sonypi_compat.fifo_lock) == sizeof(c))) {
3665                 if (put_user(c, buf++))
3666                         return -EFAULT;
3667                 ret++;
3668         }
3669
3670         if (ret > 0) {
3671                 struct inode *inode = file_inode(file);
3672                 inode->i_atime = current_fs_time(inode->i_sb);
3673         }
3674
3675         return ret;
3676 }
3677
3678 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3679 {
3680         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3681         if (kfifo_len(&sonypi_compat.fifo))
3682                 return POLLIN | POLLRDNORM;
3683         return 0;
3684 }
3685
3686 static int ec_read16(u8 addr, u16 *value)
3687 {
3688         u8 val_lb, val_hb;
3689         if (ec_read(addr, &val_lb))
3690                 return -1;
3691         if (ec_read(addr + 1, &val_hb))
3692                 return -1;
3693         *value = val_lb | (val_hb << 8);
3694         return 0;
3695 }
3696
3697 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3698                                                         unsigned long arg)
3699 {
3700         int ret = 0;
3701         void __user *argp = (void __user *)arg;
3702         u8 val8;
3703         u16 val16;
3704         int value;
3705
3706         mutex_lock(&spic_dev.lock);
3707         switch (cmd) {
3708         case SONYPI_IOCGBRT:
3709                 if (sony_bl_props.dev == NULL) {
3710                         ret = -EIO;
3711                         break;
3712                 }
3713                 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3714                                         &value)) {
3715                         ret = -EIO;
3716                         break;
3717                 }
3718                 val8 = ((value & 0xff) - 1) << 5;
3719                 if (copy_to_user(argp, &val8, sizeof(val8)))
3720                                 ret = -EFAULT;
3721                 break;
3722         case SONYPI_IOCSBRT:
3723                 if (sony_bl_props.dev == NULL) {
3724                         ret = -EIO;
3725                         break;
3726                 }
3727                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3728                         ret = -EFAULT;
3729                         break;
3730                 }
3731                 value = (val8 >> 5) + 1;
3732                 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3733                                         NULL)) {
3734                         ret = -EIO;
3735                         break;
3736                 }
3737                 /* sync the backlight device status */
3738                 sony_bl_props.dev->props.brightness =
3739                     sony_backlight_get_brightness(sony_bl_props.dev);
3740                 break;
3741         case SONYPI_IOCGBAT1CAP:
3742                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3743                         ret = -EIO;
3744                         break;
3745                 }
3746                 if (copy_to_user(argp, &val16, sizeof(val16)))
3747                         ret = -EFAULT;
3748                 break;
3749         case SONYPI_IOCGBAT1REM:
3750                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3751                         ret = -EIO;
3752                         break;
3753                 }
3754                 if (copy_to_user(argp, &val16, sizeof(val16)))
3755                         ret = -EFAULT;
3756                 break;
3757         case SONYPI_IOCGBAT2CAP:
3758                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3759                         ret = -EIO;
3760                         break;
3761                 }
3762                 if (copy_to_user(argp, &val16, sizeof(val16)))
3763                         ret = -EFAULT;
3764                 break;
3765         case SONYPI_IOCGBAT2REM:
3766                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3767                         ret = -EIO;
3768                         break;
3769                 }
3770                 if (copy_to_user(argp, &val16, sizeof(val16)))
3771                         ret = -EFAULT;
3772                 break;
3773         case SONYPI_IOCGBATFLAGS:
3774                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3775                         ret = -EIO;
3776                         break;
3777                 }
3778                 val8 &= 0x07;
3779                 if (copy_to_user(argp, &val8, sizeof(val8)))
3780                         ret = -EFAULT;
3781                 break;
3782         case SONYPI_IOCGBLUE:
3783                 val8 = spic_dev.bluetooth_power;
3784                 if (copy_to_user(argp, &val8, sizeof(val8)))
3785                         ret = -EFAULT;
3786                 break;
3787         case SONYPI_IOCSBLUE:
3788                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3789                         ret = -EFAULT;
3790                         break;
3791                 }
3792                 __sony_pic_set_bluetoothpower(val8);
3793                 break;
3794         /* FAN Controls */
3795         case SONYPI_IOCGFAN:
3796                 if (sony_pic_get_fanspeed(&val8)) {
3797                         ret = -EIO;
3798                         break;
3799                 }
3800                 if (copy_to_user(argp, &val8, sizeof(val8)))
3801                         ret = -EFAULT;
3802                 break;
3803         case SONYPI_IOCSFAN:
3804                 if (copy_from_user(&val8, argp, sizeof(val8))) {
3805                         ret = -EFAULT;
3806                         break;
3807                 }
3808                 if (sony_pic_set_fanspeed(val8))
3809                         ret = -EIO;
3810                 break;
3811         /* GET Temperature (useful under APM) */
3812         case SONYPI_IOCGTEMP:
3813                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3814                         ret = -EIO;
3815                         break;
3816                 }
3817                 if (copy_to_user(argp, &val8, sizeof(val8)))
3818                         ret = -EFAULT;
3819                 break;
3820         default:
3821                 ret = -EINVAL;
3822         }
3823         mutex_unlock(&spic_dev.lock);
3824         return ret;
3825 }
3826
3827 static const struct file_operations sonypi_misc_fops = {
3828         .owner          = THIS_MODULE,
3829         .read           = sonypi_misc_read,
3830         .poll           = sonypi_misc_poll,
3831         .open           = sonypi_misc_open,
3832         .release        = sonypi_misc_release,
3833         .fasync         = sonypi_misc_fasync,
3834         .unlocked_ioctl = sonypi_misc_ioctl,
3835         .llseek         = noop_llseek,
3836 };
3837
3838 static struct miscdevice sonypi_misc_device = {
3839         .minor          = MISC_DYNAMIC_MINOR,
3840         .name           = "sonypi",
3841         .fops           = &sonypi_misc_fops,
3842 };
3843
3844 static void sonypi_compat_report_event(u8 event)
3845 {
3846         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3847                         sizeof(event), &sonypi_compat.fifo_lock);
3848         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3849         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3850 }
3851
3852 static int sonypi_compat_init(void)
3853 {
3854         int error;
3855
3856         spin_lock_init(&sonypi_compat.fifo_lock);
3857         error =
3858          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3859         if (error) {
3860                 pr_err("kfifo_alloc failed\n");
3861                 return error;
3862         }
3863
3864         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3865
3866         if (minor != -1)
3867                 sonypi_misc_device.minor = minor;
3868         error = misc_register(&sonypi_misc_device);
3869         if (error) {
3870                 pr_err("misc_register failed\n");
3871                 goto err_free_kfifo;
3872         }
3873         if (minor == -1)
3874                 pr_info("device allocated minor is %d\n",
3875                         sonypi_misc_device.minor);
3876
3877         return 0;
3878
3879 err_free_kfifo:
3880         kfifo_free(&sonypi_compat.fifo);
3881         return error;
3882 }
3883
3884 static void sonypi_compat_exit(void)
3885 {
3886         misc_deregister(&sonypi_misc_device);
3887         kfifo_free(&sonypi_compat.fifo);
3888 }
3889 #else
3890 static int sonypi_compat_init(void) { return 0; }
3891 static void sonypi_compat_exit(void) { }
3892 static void sonypi_compat_report_event(u8 event) { }
3893 #endif /* CONFIG_SONYPI_COMPAT */
3894
3895 /*
3896  * ACPI callbacks
3897  */
3898 static acpi_status
3899 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3900 {
3901         u32 i;
3902         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3903
3904         switch (resource->type) {
3905         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3906                 {
3907                         /* start IO enumeration */
3908                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3909                         if (!ioport)
3910                                 return AE_ERROR;
3911
3912                         list_add(&ioport->list, &dev->ioports);
3913                         return AE_OK;
3914                 }
3915
3916         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3917                 /* end IO enumeration */
3918                 return AE_OK;
3919
3920         case ACPI_RESOURCE_TYPE_IRQ:
3921                 {
3922                         struct acpi_resource_irq *p = &resource->data.irq;
3923                         struct sony_pic_irq *interrupt = NULL;
3924                         if (!p || !p->interrupt_count) {
3925                                 /*
3926                                  * IRQ descriptors may have no IRQ# bits set,
3927                                  * particularly those those w/ _STA disabled
3928                                  */
3929                                 dprintk("Blank IRQ resource\n");
3930                                 return AE_OK;
3931                         }
3932                         for (i = 0; i < p->interrupt_count; i++) {
3933                                 if (!p->interrupts[i]) {
3934                                         pr_warn("Invalid IRQ %d\n",
3935                                                 p->interrupts[i]);
3936                                         continue;
3937                                 }
3938                                 interrupt = kzalloc(sizeof(*interrupt),
3939                                                 GFP_KERNEL);
3940                                 if (!interrupt)
3941                                         return AE_ERROR;
3942
3943                                 list_add(&interrupt->list, &dev->interrupts);
3944                                 interrupt->irq.triggering = p->triggering;
3945                                 interrupt->irq.polarity = p->polarity;
3946                                 interrupt->irq.sharable = p->sharable;
3947                                 interrupt->irq.interrupt_count = 1;
3948                                 interrupt->irq.interrupts[0] = p->interrupts[i];
3949                         }
3950                         return AE_OK;
3951                 }
3952         case ACPI_RESOURCE_TYPE_IO:
3953                 {
3954                         struct acpi_resource_io *io = &resource->data.io;
3955                         struct sony_pic_ioport *ioport =
3956                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3957                         if (!io) {
3958                                 dprintk("Blank IO resource\n");
3959                                 return AE_OK;
3960                         }
3961
3962                         if (!ioport->io1.minimum) {
3963                                 memcpy(&ioport->io1, io, sizeof(*io));
3964                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3965                                                 ioport->io1.address_length);
3966                         }
3967                         else if (!ioport->io2.minimum) {
3968                                 memcpy(&ioport->io2, io, sizeof(*io));
3969                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3970                                                 ioport->io2.address_length);
3971                         }
3972                         else {
3973                                 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3974                                 return AE_ERROR;
3975                         }
3976                         return AE_OK;
3977                 }
3978         default:
3979                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3980                         resource->type);
3981
3982         case ACPI_RESOURCE_TYPE_END_TAG:
3983                 return AE_OK;
3984         }
3985         return AE_CTRL_TERMINATE;
3986 }
3987
3988 static int sony_pic_possible_resources(struct acpi_device *device)
3989 {
3990         int result = 0;
3991         acpi_status status = AE_OK;
3992
3993         if (!device)
3994                 return -EINVAL;
3995
3996         /* get device status */
3997         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3998         dprintk("Evaluating _STA\n");
3999         result = acpi_bus_get_status(device);
4000         if (result) {
4001                 pr_warn("Unable to read status\n");
4002                 goto end;
4003         }
4004
4005         if (!device->status.enabled)
4006                 dprintk("Device disabled\n");
4007         else
4008                 dprintk("Device enabled\n");
4009
4010         /*
4011          * Query and parse 'method'
4012          */
4013         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4014         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4015                         sony_pic_read_possible_resource, &spic_dev);
4016         if (ACPI_FAILURE(status)) {
4017                 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4018                 result = -ENODEV;
4019         }
4020 end:
4021         return result;
4022 }
4023
4024 /*
4025  *  Disable the spic device by calling its _DIS method
4026  */
4027 static int sony_pic_disable(struct acpi_device *device)
4028 {
4029         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4030                                                NULL);
4031
4032         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4033                 return -ENXIO;
4034
4035         dprintk("Device disabled\n");
4036         return 0;
4037 }
4038
4039
4040 /*
4041  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4042  *
4043  *  Call _SRS to set current resources
4044  */
4045 static int sony_pic_enable(struct acpi_device *device,
4046                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4047 {
4048         acpi_status status;
4049         int result = 0;
4050         /* Type 1 resource layout is:
4051          *    IO
4052          *    IO
4053          *    IRQNoFlags
4054          *    End
4055          *
4056          * Type 2 and 3 resource layout is:
4057          *    IO
4058          *    IRQNoFlags
4059          *    End
4060          */
4061         struct {
4062                 struct acpi_resource res1;
4063                 struct acpi_resource res2;
4064                 struct acpi_resource res3;
4065                 struct acpi_resource res4;
4066         } *resource;
4067         struct acpi_buffer buffer = { 0, NULL };
4068
4069         if (!ioport || !irq)
4070                 return -EINVAL;
4071
4072         /* init acpi_buffer */
4073         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4074         if (!resource)
4075                 return -ENOMEM;
4076
4077         buffer.length = sizeof(*resource) + 1;
4078         buffer.pointer = resource;
4079
4080         /* setup Type 1 resources */
4081         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4082
4083                 /* setup io resources */
4084                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4085                 resource->res1.length = sizeof(struct acpi_resource);
4086                 memcpy(&resource->res1.data.io, &ioport->io1,
4087                                 sizeof(struct acpi_resource_io));
4088
4089                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4090                 resource->res2.length = sizeof(struct acpi_resource);
4091                 memcpy(&resource->res2.data.io, &ioport->io2,
4092                                 sizeof(struct acpi_resource_io));
4093
4094                 /* setup irq resource */
4095                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4096                 resource->res3.length = sizeof(struct acpi_resource);
4097                 memcpy(&resource->res3.data.irq, &irq->irq,
4098                                 sizeof(struct acpi_resource_irq));
4099                 /* we requested a shared irq */
4100                 resource->res3.data.irq.sharable = ACPI_SHARED;
4101
4102                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4103                 resource->res4.length = sizeof(struct acpi_resource);
4104         }
4105         /* setup Type 2/3 resources */
4106         else {
4107                 /* setup io resource */
4108                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4109                 resource->res1.length = sizeof(struct acpi_resource);
4110                 memcpy(&resource->res1.data.io, &ioport->io1,
4111                                 sizeof(struct acpi_resource_io));
4112
4113                 /* setup irq resource */
4114                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4115                 resource->res2.length = sizeof(struct acpi_resource);
4116                 memcpy(&resource->res2.data.irq, &irq->irq,
4117                                 sizeof(struct acpi_resource_irq));
4118                 /* we requested a shared irq */
4119                 resource->res2.data.irq.sharable = ACPI_SHARED;
4120
4121                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4122                 resource->res3.length = sizeof(struct acpi_resource);
4123         }
4124
4125         /* Attempt to set the resource */
4126         dprintk("Evaluating _SRS\n");
4127         status = acpi_set_current_resources(device->handle, &buffer);
4128
4129         /* check for total failure */
4130         if (ACPI_FAILURE(status)) {
4131                 pr_err("Error evaluating _SRS\n");
4132                 result = -ENODEV;
4133                 goto end;
4134         }
4135
4136         /* Necessary device initializations calls (from sonypi) */
4137         sony_pic_call1(0x82);
4138         sony_pic_call2(0x81, 0xff);
4139         sony_pic_call1(compat ? 0x92 : 0x82);
4140
4141 end:
4142         kfree(resource);
4143         return result;
4144 }
4145
4146 /*****************
4147  *
4148  * ISR: some event is available
4149  *
4150  *****************/
4151 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4152 {
4153         int i, j;
4154         u8 ev = 0;
4155         u8 data_mask = 0;
4156         u8 device_event = 0;
4157
4158         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4159
4160         ev = inb_p(dev->cur_ioport->io1.minimum);
4161         if (dev->cur_ioport->io2.minimum)
4162                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4163         else
4164                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4165                                 dev->evport_offset);
4166
4167         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4168                         ev, data_mask, dev->cur_ioport->io1.minimum,
4169                         dev->evport_offset);
4170
4171         if (ev == 0x00 || ev == 0xff)
4172                 return IRQ_HANDLED;
4173
4174         for (i = 0; dev->event_types[i].mask; i++) {
4175
4176                 if ((data_mask & dev->event_types[i].data) !=
4177                     dev->event_types[i].data)
4178                         continue;
4179
4180                 if (!(mask & dev->event_types[i].mask))
4181                         continue;
4182
4183                 for (j = 0; dev->event_types[i].events[j].event; j++) {
4184                         if (ev == dev->event_types[i].events[j].data) {
4185                                 device_event =
4186                                         dev->event_types[i].events[j].event;
4187                                 /* some events may require ignoring */
4188                                 if (!device_event)
4189                                         return IRQ_HANDLED;
4190                                 goto found;
4191                         }
4192                 }
4193         }
4194         /* Still not able to decode the event try to pass
4195          * it over to the minidriver
4196          */
4197         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4198                 return IRQ_HANDLED;
4199
4200         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4201                         ev, data_mask, dev->cur_ioport->io1.minimum,
4202                         dev->evport_offset);
4203         return IRQ_HANDLED;
4204
4205 found:
4206         sony_laptop_report_input_event(device_event);
4207         sonypi_compat_report_event(device_event);
4208         return IRQ_HANDLED;
4209 }
4210
4211 /*****************
4212  *
4213  *  ACPI driver
4214  *
4215  *****************/
4216 static int sony_pic_remove(struct acpi_device *device)
4217 {
4218         struct sony_pic_ioport *io, *tmp_io;
4219         struct sony_pic_irq *irq, *tmp_irq;
4220
4221         if (sony_pic_disable(device)) {
4222                 pr_err("Couldn't disable device\n");
4223                 return -ENXIO;
4224         }
4225
4226         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4227         release_region(spic_dev.cur_ioport->io1.minimum,
4228                         spic_dev.cur_ioport->io1.address_length);
4229         if (spic_dev.cur_ioport->io2.minimum)
4230                 release_region(spic_dev.cur_ioport->io2.minimum,
4231                                 spic_dev.cur_ioport->io2.address_length);
4232
4233         sonypi_compat_exit();
4234
4235         sony_laptop_remove_input();
4236
4237         /* pf attrs */
4238         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4239         sony_pf_remove();
4240
4241         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4242                 list_del(&io->list);
4243                 kfree(io);
4244         }
4245         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4246                 list_del(&irq->list);
4247                 kfree(irq);
4248         }
4249         spic_dev.cur_ioport = NULL;
4250         spic_dev.cur_irq = NULL;
4251
4252         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4253         return 0;
4254 }
4255
4256 static int sony_pic_add(struct acpi_device *device)
4257 {
4258         int result;
4259         struct sony_pic_ioport *io, *tmp_io;
4260         struct sony_pic_irq *irq, *tmp_irq;
4261
4262         pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4263
4264         spic_dev.acpi_dev = device;
4265         strcpy(acpi_device_class(device), "sony/hotkey");
4266         sony_pic_detect_device_type(&spic_dev);
4267         mutex_init(&spic_dev.lock);
4268
4269         /* read _PRS resources */
4270         result = sony_pic_possible_resources(device);
4271         if (result) {
4272                 pr_err("Unable to read possible resources\n");
4273                 goto err_free_resources;
4274         }
4275
4276         /* setup input devices and helper fifo */
4277         result = sony_laptop_setup_input(device);
4278         if (result) {
4279                 pr_err("Unable to create input devices\n");
4280                 goto err_free_resources;
4281         }
4282
4283         result = sonypi_compat_init();
4284         if (result)
4285                 goto err_remove_input;
4286
4287         /* request io port */
4288         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4289                 if (request_region(io->io1.minimum, io->io1.address_length,
4290                                         "Sony Programmable I/O Device")) {
4291                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4292                                         io->io1.minimum, io->io1.maximum,
4293                                         io->io1.address_length);
4294                         /* Type 1 have 2 ioports */
4295                         if (io->io2.minimum) {
4296                                 if (request_region(io->io2.minimum,
4297                                                 io->io2.address_length,
4298                                                 "Sony Programmable I/O Device")) {
4299                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4300                                                         io->io2.minimum, io->io2.maximum,
4301                                                         io->io2.address_length);
4302                                         spic_dev.cur_ioport = io;
4303                                         break;
4304                                 }
4305                                 else {
4306                                         dprintk("Unable to get I/O port2: "
4307                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
4308                                                         io->io2.minimum, io->io2.maximum,
4309                                                         io->io2.address_length);
4310                                         release_region(io->io1.minimum,
4311                                                         io->io1.address_length);
4312                                 }
4313                         }
4314                         else {
4315                                 spic_dev.cur_ioport = io;
4316                                 break;
4317                         }
4318                 }
4319         }
4320         if (!spic_dev.cur_ioport) {
4321                 pr_err("Failed to request_region\n");
4322                 result = -ENODEV;
4323                 goto err_remove_compat;
4324         }
4325
4326         /* request IRQ */
4327         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4328                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4329                                         0, "sony-laptop", &spic_dev)) {
4330                         dprintk("IRQ: %d - triggering: %d - "
4331                                         "polarity: %d - shr: %d\n",
4332                                         irq->irq.interrupts[0],
4333                                         irq->irq.triggering,
4334                                         irq->irq.polarity,
4335                                         irq->irq.sharable);
4336                         spic_dev.cur_irq = irq;
4337                         break;
4338                 }
4339         }
4340         if (!spic_dev.cur_irq) {
4341                 pr_err("Failed to request_irq\n");
4342                 result = -ENODEV;
4343                 goto err_release_region;
4344         }
4345
4346         /* set resource status _SRS */
4347         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4348         if (result) {
4349                 pr_err("Couldn't enable device\n");
4350                 goto err_free_irq;
4351         }
4352
4353         spic_dev.bluetooth_power = -1;
4354         /* create device attributes */
4355         result = sony_pf_add();
4356         if (result)
4357                 goto err_disable_device;
4358
4359         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4360         if (result)
4361                 goto err_remove_pf;
4362
4363         return 0;
4364
4365 err_remove_pf:
4366         sony_pf_remove();
4367
4368 err_disable_device:
4369         sony_pic_disable(device);
4370
4371 err_free_irq:
4372         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4373
4374 err_release_region:
4375         release_region(spic_dev.cur_ioport->io1.minimum,
4376                         spic_dev.cur_ioport->io1.address_length);
4377         if (spic_dev.cur_ioport->io2.minimum)
4378                 release_region(spic_dev.cur_ioport->io2.minimum,
4379                                 spic_dev.cur_ioport->io2.address_length);
4380
4381 err_remove_compat:
4382         sonypi_compat_exit();
4383
4384 err_remove_input:
4385         sony_laptop_remove_input();
4386
4387 err_free_resources:
4388         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4389                 list_del(&io->list);
4390                 kfree(io);
4391         }
4392         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4393                 list_del(&irq->list);
4394                 kfree(irq);
4395         }
4396         spic_dev.cur_ioport = NULL;
4397         spic_dev.cur_irq = NULL;
4398
4399         return result;
4400 }
4401
4402 #ifdef CONFIG_PM_SLEEP
4403 static int sony_pic_suspend(struct device *dev)
4404 {
4405         if (sony_pic_disable(to_acpi_device(dev)))
4406                 return -ENXIO;
4407         return 0;
4408 }
4409
4410 static int sony_pic_resume(struct device *dev)
4411 {
4412         sony_pic_enable(to_acpi_device(dev),
4413                         spic_dev.cur_ioport, spic_dev.cur_irq);
4414         return 0;
4415 }
4416 #endif
4417
4418 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4419
4420 static const struct acpi_device_id sony_pic_device_ids[] = {
4421         {SONY_PIC_HID, 0},
4422         {"", 0},
4423 };
4424
4425 static struct acpi_driver sony_pic_driver = {
4426         .name = SONY_PIC_DRIVER_NAME,
4427         .class = SONY_PIC_CLASS,
4428         .ids = sony_pic_device_ids,
4429         .owner = THIS_MODULE,
4430         .ops = {
4431                 .add = sony_pic_add,
4432                 .remove = sony_pic_remove,
4433                 },
4434         .drv.pm = &sony_pic_pm,
4435 };
4436
4437 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4438         {
4439                 .ident = "Sony Vaio",
4440                 .matches = {
4441                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4442                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4443                 },
4444         },
4445         {
4446                 .ident = "Sony Vaio",
4447                 .matches = {
4448                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4449                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4450                 },
4451         },
4452         { }
4453 };
4454
4455 static int __init sony_laptop_init(void)
4456 {
4457         int result;
4458
4459         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4460                 result = acpi_bus_register_driver(&sony_pic_driver);
4461                 if (result) {
4462                         pr_err("Unable to register SPIC driver\n");
4463                         goto out;
4464                 }
4465                 spic_drv_registered = 1;
4466         }
4467
4468         result = acpi_bus_register_driver(&sony_nc_driver);
4469         if (result) {
4470                 pr_err("Unable to register SNC driver\n");
4471                 goto out_unregister_pic;
4472         }
4473
4474         return 0;
4475
4476 out_unregister_pic:
4477         if (spic_drv_registered)
4478                 acpi_bus_unregister_driver(&sony_pic_driver);
4479 out:
4480         return result;
4481 }
4482
4483 static void __exit sony_laptop_exit(void)
4484 {
4485         acpi_bus_unregister_driver(&sony_nc_driver);
4486         if (spic_drv_registered)
4487                 acpi_bus_unregister_driver(&sony_pic_driver);
4488 }
4489
4490 module_init(sony_laptop_init);
4491 module_exit(sony_laptop_exit);