drivers/platform/x86/sony-laptop.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * ACPI Sony Notebook Control Driver (SNC and SPIC)
   4  *
   5  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
   6  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
   7  *
   8  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
   9  * which are copyrighted by their respective authors.
  10  *
  11  * The SNY6001 driver part is based on the sonypi driver which includes
  12  * material from:
  13  *
  14  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  15  *
  16  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  17  *
  18  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  19  *
  20  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  21  *
  22  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  23  *
  24  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  25  *
  26  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  27  *
  28  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  29  */
  30
  31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  32
  33 #include <linux/kernel.h>
  34 #include <linux/module.h>
  35 #include <linux/moduleparam.h>
  36 #include <linux/init.h>
  37 #include <linux/types.h>
  38 #include <linux/backlight.h>
  39 #include <linux/platform_device.h>
  40 #include <linux/err.h>
  41 #include <linux/dmi.h>
  42 #include <linux/pci.h>
  43 #include <linux/interrupt.h>
  44 #include <linux/delay.h>
  45 #include <linux/input.h>
  46 #include <linux/kfifo.h>
  47 #include <linux/workqueue.h>
  48 #include <linux/acpi.h>
  49 #include <linux/slab.h>
  50 #include <linux/sonypi.h>
  51 #include <linux/sony-laptop.h>
  52 #include <linux/rfkill.h>
  53 #ifdef CONFIG_SONYPI_COMPAT
  54 #include <linux/poll.h>
  55 #include <linux/miscdevice.h>
  56 #endif
  57 #include <linux/uaccess.h>
  58 #include <acpi/video.h>
  59
  60 #define dprintk(fmt, ...)                       \
  61 do {                                            \
  62         if (debug)                              \
  63                 pr_warn(fmt, ##__VA_ARGS__);    \
  64 } while (0)
  65
  66 #define SONY_NC_CLASS           "sony-nc"
  67 #define SONY_NC_HID             "SNY5001"
  68 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
  69
  70 #define SONY_PIC_CLASS          "sony-pic"
  71 #define SONY_PIC_HID            "SNY6001"
  72 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
  73
  74 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
  75 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
  76 MODULE_LICENSE("GPL");
  77
  78 static int debug;
  79 module_param(debug, int, 0);
  80 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
  81                  "the development of this driver");
  82
  83 static int no_spic;             /* = 0 */
  84 module_param(no_spic, int, 0444);
  85 MODULE_PARM_DESC(no_spic,
  86                  "set this if you don't want to enable the SPIC device");
  87
  88 static int compat;              /* = 0 */
  89 module_param(compat, int, 0444);
  90 MODULE_PARM_DESC(compat,
  91                  "set this if you want to enable backward compatibility mode");
  92
  93 static unsigned long mask = 0xffffffff;
  94 module_param(mask, ulong, 0644);
  95 MODULE_PARM_DESC(mask,
  96                  "set this to the mask of event you want to enable (see doc)");
  97
  98 static int camera;              /* = 0 */
  99 module_param(camera, int, 0444);
 100 MODULE_PARM_DESC(camera,
 101                  "set this to 1 to enable Motion Eye camera controls "
 102                  "(only use it if you have a C1VE or C1VN model)");
 103
 104 #ifdef CONFIG_SONYPI_COMPAT
 105 static int minor = -1;
 106 module_param(minor, int, 0);
 107 MODULE_PARM_DESC(minor,
 108                  "minor number of the misc device for the SPIC compatibility code, "
 109                  "default is -1 (automatic)");
 110 #endif
 111
 112 static int kbd_backlight = -1;
 113 module_param(kbd_backlight, int, 0444);
 114 MODULE_PARM_DESC(kbd_backlight,
 115                  "set this to 0 to disable keyboard backlight, "
 116                  "1 to enable it with automatic control and 2 to have it always "
 117                  "on (default: no change from current value)");
 118
 119 static int kbd_backlight_timeout = -1;
 120 module_param(kbd_backlight_timeout, int, 0444);
 121 MODULE_PARM_DESC(kbd_backlight_timeout,
 122                  "meaningful values vary from 0 to 3 and their meaning depends "
 123                  "on the model (default: no change from current value)");
 124
 125 #ifdef CONFIG_PM_SLEEP
 126 static void sony_nc_thermal_resume(void);
 127 #endif
 128 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
 129                 unsigned int handle);
 130 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
 131                 unsigned int handle);
 132
 133 static int sony_nc_battery_care_setup(struct platform_device *pd,
 134                 unsigned int handle);
 135 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
 136
 137 static int sony_nc_thermal_setup(struct platform_device *pd);
 138 static void sony_nc_thermal_cleanup(struct platform_device *pd);
 139
 140 static int sony_nc_lid_resume_setup(struct platform_device *pd,
 141                                     unsigned int handle);
 142 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
 143
 144 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
 145                 unsigned int handle);
 146 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
 147 static int __sony_nc_gfx_switch_status_get(void);
 148
 149 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
 150 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
 151
 152 static int sony_nc_lowbatt_setup(struct platform_device *pd);
 153 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
 154
 155 static int sony_nc_fanspeed_setup(struct platform_device *pd);
 156 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
 157
 158 static int sony_nc_usb_charge_setup(struct platform_device *pd);
 159 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
 160
 161 static int sony_nc_panelid_setup(struct platform_device *pd);
 162 static void sony_nc_panelid_cleanup(struct platform_device *pd);
 163
 164 static int sony_nc_smart_conn_setup(struct platform_device *pd);
 165 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
 166
 167 static int sony_nc_touchpad_setup(struct platform_device *pd,
 168                                   unsigned int handle);
 169 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
 170
 171 enum sony_nc_rfkill {
 172         SONY_WIFI,
 173         SONY_BLUETOOTH,
 174         SONY_WWAN,
 175         SONY_WIMAX,
 176         N_SONY_RFKILL,
 177 };
 178
 179 static int sony_rfkill_handle;
 180 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
 181 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
 182 static int sony_nc_rfkill_setup(struct acpi_device *device,
 183                 unsigned int handle);
 184 static void sony_nc_rfkill_cleanup(void);
 185 static void sony_nc_rfkill_update(void);
 186
 187 /*********** Input Devices ***********/
 188
 189 #define SONY_LAPTOP_BUF_SIZE    128
 190 struct sony_laptop_input_s {
 191         atomic_t                users;
 192         struct input_dev        *jog_dev;
 193         struct input_dev        *key_dev;
 194         struct kfifo            fifo;
 195         spinlock_t              fifo_lock;
 196         struct timer_list       release_key_timer;
 197 };
 198
 199 static struct sony_laptop_input_s sony_laptop_input = {
 200         .users = ATOMIC_INIT(0),
 201 };
 202
 203 struct sony_laptop_keypress {
 204         struct input_dev *dev;
 205         int key;
 206 };
 207
 208 /* Correspondance table between sonypi events
 209  * and input layer indexes in the keymap
 210  */
 211 static const int sony_laptop_input_index[] = {
 212         -1,     /*  0 no event */
 213         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
 214         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
 215         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
 216         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
 217         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
 218         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
 219          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
 220          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
 221          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 222          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 223          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
 224          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
 225          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
 226          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
 227          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
 228          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
 229         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
 230         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
 231         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
 232         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
 233         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
 234         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
 235         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
 236         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
 237         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
 238         19,     /* 26 SONYPI_EVENT_FNKEY_D */
 239         20,     /* 27 SONYPI_EVENT_FNKEY_E */
 240         21,     /* 28 SONYPI_EVENT_FNKEY_F */
 241         22,     /* 29 SONYPI_EVENT_FNKEY_S */
 242         23,     /* 30 SONYPI_EVENT_FNKEY_B */
 243         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
 244         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
 245         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
 246         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
 247         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
 248         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
 249         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
 250         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
 251         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
 252         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
 253         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
 254         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 255         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
 256         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 257         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 258         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 259         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 260         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 261         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 262         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
 263         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 264         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
 265         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
 266         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
 267         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
 268         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
 269         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
 270         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
 271         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
 272         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
 273         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
 274         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
 275         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 276         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
 277         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
 278         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
 279         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
 280         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
 281         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
 282         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 283         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 284         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
 285         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
 286 };
 287
 288 static int sony_laptop_input_keycode_map[] = {
 289         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
 290         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
 291         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
 292         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
 293         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
 294         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
 295         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
 296         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
 297         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
 298         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
 299         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
 300         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
 301         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
 302         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
 303         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
 304         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
 305         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
 306         KEY_FN_1,       /* 17 SONYPI_EVENT_FNKEY_1 */
 307         KEY_FN_2,       /* 18 SONYPI_EVENT_FNKEY_2 */
 308         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
 309         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
 310         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
 311         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
 312         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
 313         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
 314         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
 315         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
 316         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
 317         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
 318         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
 319         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
 320         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
 321         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
 322         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
 323         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
 324         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
 325         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
 326         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
 327         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
 328         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
 329         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
 330         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
 331         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
 332         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
 333         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
 334         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
 335         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
 336         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
 337         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
 338         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
 339         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
 340         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
 341         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
 342         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
 343         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
 344         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
 345         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
 346         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 347         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
 348         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
 349 };
 350
 351 /* release buttons after a short delay if pressed */
 352 static void do_sony_laptop_release_key(struct timer_list *unused)
 353 {
 354         struct sony_laptop_keypress kp;
 355         unsigned long flags;
 356
 357         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 358
 359         if (kfifo_out(&sony_laptop_input.fifo,
 360                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 361                 input_report_key(kp.dev, kp.key, 0);
 362                 input_sync(kp.dev);
 363         }
 364
 365         /* If there is something in the fifo schedule next release. */
 366         if (kfifo_len(&sony_laptop_input.fifo) != 0)
 367                 mod_timer(&sony_laptop_input.release_key_timer,
 368                           jiffies + msecs_to_jiffies(10));
 369
 370         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 371 }
 372
 373 /* forward event to the input subsystem */
 374 static void sony_laptop_report_input_event(u8 event)
 375 {
 376         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
 377         struct input_dev *key_dev = sony_laptop_input.key_dev;
 378         struct sony_laptop_keypress kp = { NULL };
 379         int scancode = -1;
 380
 381         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
 382                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
 383                 /* Nothing, not all VAIOs generate this event */
 384                 return;
 385         }
 386
 387         /* report events */
 388         switch (event) {
 389         /* jog_dev events */
 390         case SONYPI_EVENT_JOGDIAL_UP:
 391         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 392                 input_report_rel(jog_dev, REL_WHEEL, 1);
 393                 input_sync(jog_dev);
 394                 return;
 395
 396         case SONYPI_EVENT_JOGDIAL_DOWN:
 397         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 398                 input_report_rel(jog_dev, REL_WHEEL, -1);
 399                 input_sync(jog_dev);
 400                 return;
 401
 402         /* key_dev events */
 403         case SONYPI_EVENT_JOGDIAL_PRESSED:
 404                 kp.key = BTN_MIDDLE;
 405                 kp.dev = jog_dev;
 406                 break;
 407
 408         default:
 409                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
 410                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
 411                         break;
 412                 }
 413                 if ((scancode = sony_laptop_input_index[event]) != -1) {
 414                         kp.key = sony_laptop_input_keycode_map[scancode];
 415                         if (kp.key != KEY_UNKNOWN)
 416                                 kp.dev = key_dev;
 417                 }
 418                 break;
 419         }
 420
 421         if (kp.dev) {
 422                 /* if we have a scancode we emit it so we can always
 423                     remap the key */
 424                 if (scancode != -1)
 425                         input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
 426                 input_report_key(kp.dev, kp.key, 1);
 427                 input_sync(kp.dev);
 428
 429                 /* schedule key release */
 430                 kfifo_in_locked(&sony_laptop_input.fifo,
 431                                 (unsigned char *)&kp, sizeof(kp),
 432                                 &sony_laptop_input.fifo_lock);
 433                 mod_timer(&sony_laptop_input.release_key_timer,
 434                           jiffies + msecs_to_jiffies(10));
 435         } else
 436                 dprintk("unknown input event %.2x\n", event);
 437 }
 438
 439 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 440 {
 441         struct input_dev *jog_dev;
 442         struct input_dev *key_dev;
 443         int i;
 444         int error;
 445
 446         /* don't run again if already initialized */
 447         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
 448                 return 0;
 449
 450         /* kfifo */
 451         spin_lock_init(&sony_laptop_input.fifo_lock);
 452         error = kfifo_alloc(&sony_laptop_input.fifo,
 453                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 454         if (error) {
 455                 pr_err("kfifo_alloc failed\n");
 456                 goto err_dec_users;
 457         }
 458
 459         timer_setup(&sony_laptop_input.release_key_timer,
 460                     do_sony_laptop_release_key, 0);
 461
 462         /* input keys */
 463         key_dev = input_allocate_device();
 464         if (!key_dev) {
 465                 error = -ENOMEM;
 466                 goto err_free_kfifo;
 467         }
 468
 469         key_dev->name = "Sony Vaio Keys";
 470         key_dev->id.bustype = BUS_ISA;
 471         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
 472         key_dev->dev.parent = &acpi_device->dev;
 473
 474         /* Initialize the Input Drivers: special keys */
 475         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
 476
 477         __set_bit(EV_KEY, key_dev->evbit);
 478         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 479         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 480         key_dev->keycode = &sony_laptop_input_keycode_map;
 481         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
 482                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
 483         __clear_bit(KEY_RESERVED, key_dev->keybit);
 484
 485         error = input_register_device(key_dev);
 486         if (error)
 487                 goto err_free_keydev;
 488
 489         sony_laptop_input.key_dev = key_dev;
 490
 491         /* jogdial */
 492         jog_dev = input_allocate_device();
 493         if (!jog_dev) {
 494                 error = -ENOMEM;
 495                 goto err_unregister_keydev;
 496         }
 497
 498         jog_dev->name = "Sony Vaio Jogdial";
 499         jog_dev->id.bustype = BUS_ISA;
 500         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 501         jog_dev->dev.parent = &acpi_device->dev;
 502
 503         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
 504         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 505
 506         error = input_register_device(jog_dev);
 507         if (error)
 508                 goto err_free_jogdev;
 509
 510         sony_laptop_input.jog_dev = jog_dev;
 511
 512         return 0;
 513
 514 err_free_jogdev:
 515         input_free_device(jog_dev);
 516
 517 err_unregister_keydev:
 518         input_unregister_device(key_dev);
 519         /* to avoid kref underflow below at input_free_device */
 520         key_dev = NULL;
 521
 522 err_free_keydev:
 523         input_free_device(key_dev);
 524
 525 err_free_kfifo:
 526         kfifo_free(&sony_laptop_input.fifo);
 527
 528 err_dec_users:
 529         atomic_dec(&sony_laptop_input.users);
 530         return error;
 531 }
 532
 533 static void sony_laptop_remove_input(void)
 534 {
 535         struct sony_laptop_keypress kp = { NULL };
 536
 537         /* Cleanup only after the last user has gone */
 538         if (!atomic_dec_and_test(&sony_laptop_input.users))
 539                 return;
 540
 541         del_timer_sync(&sony_laptop_input.release_key_timer);
 542
 543         /*
 544          * Generate key-up events for remaining keys. Note that we don't
 545          * need locking since nobody is adding new events to the kfifo.
 546          */
 547         while (kfifo_out(&sony_laptop_input.fifo,
 548                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 549                 input_report_key(kp.dev, kp.key, 0);
 550                 input_sync(kp.dev);
 551         }
 552
 553         /* destroy input devs */
 554         input_unregister_device(sony_laptop_input.key_dev);
 555         sony_laptop_input.key_dev = NULL;
 556
 557         if (sony_laptop_input.jog_dev) {
 558                 input_unregister_device(sony_laptop_input.jog_dev);
 559                 sony_laptop_input.jog_dev = NULL;
 560         }
 561
 562         kfifo_free(&sony_laptop_input.fifo);
 563 }
 564
 565 /*********** Platform Device ***********/
 566
 567 static atomic_t sony_pf_users = ATOMIC_INIT(0);
 568 static struct platform_driver sony_pf_driver = {
 569         .driver = {
 570                    .name = "sony-laptop",
 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 #define MIN(a, b)       (a > b ? b : a)
 761 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
 762                 void *buffer, size_t buflen)
 763 {
 764         int ret = 0;
 765         size_t len;
 766         union acpi_object *object = __call_snc_method(handle, name, value);
 767
 768         if (!object)
 769                 return -EINVAL;
 770
 771         if (!buffer) {
 772                 /* do nothing */
 773         } else if (object->type == ACPI_TYPE_BUFFER) {
 774                 len = MIN(buflen, object->buffer.length);
 775                 memset(buffer, 0, buflen);
 776                 memcpy(buffer, object->buffer.pointer, len);
 777
 778         } else if (object->type == ACPI_TYPE_INTEGER) {
 779                 len = MIN(buflen, sizeof(object->integer.value));
 780                 memset(buffer, 0, buflen);
 781                 memcpy(buffer, &object->integer.value, len);
 782
 783         } else {
 784                 pr_warn("Unexpected acpi_object: 0x%x\n", object->type);
 785                 ret = -EINVAL;
 786         }
 787
 788         kfree(object);
 789         return ret;
 790 }
 791
 792 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int
 793                 *result)
 794 {
 795         int ret;
 796
 797         if (value) {
 798                 u64 v = *value;
 799
 800                 ret = sony_nc_buffer_call(handle, name, &v, result,
 801                                 sizeof(*result));
 802         } else {
 803                 ret =  sony_nc_buffer_call(handle, name, NULL, result,
 804                                 sizeof(*result));
 805         }
 806         return ret;
 807 }
 808
 809 struct sony_nc_handles {
 810         u16 cap[0x10];
 811         struct device_attribute devattr;
 812 };
 813
 814 static struct sony_nc_handles *handles;
 815
 816 static ssize_t sony_nc_handles_show(struct device *dev,
 817                 struct device_attribute *attr, char *buffer)
 818 {
 819         ssize_t len = 0;
 820         int i;
 821
 822         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 823                 len += scnprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
 824                                 handles->cap[i]);
 825         }
 826         len += scnprintf(buffer + len, PAGE_SIZE - len, "\n");
 827
 828         return len;
 829 }
 830
 831 static int sony_nc_handles_setup(struct platform_device *pd)
 832 {
 833         int i, r, result, arg;
 834
 835         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
 836         if (!handles)
 837                 return -ENOMEM;
 838
 839         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
 840                 arg = i + 0x20;
 841                 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
 842                                         &result);
 843                 if (!r) {
 844                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
 845                                         result, i);
 846                         handles->cap[i] = result;
 847                 }
 848         }
 849
 850         if (debug) {
 851                 sysfs_attr_init(&handles->devattr.attr);
 852                 handles->devattr.attr.name = "handles";
 853                 handles->devattr.attr.mode = S_IRUGO;
 854                 handles->devattr.show = sony_nc_handles_show;
 855
 856                 /* allow reading capabilities via sysfs */
 857                 if (device_create_file(&pd->dev, &handles->devattr)) {
 858                         kfree(handles);
 859                         handles = NULL;
 860                         return -1;
 861                 }
 862         }
 863
 864         return 0;
 865 }
 866
 867 static int sony_nc_handles_cleanup(struct platform_device *pd)
 868 {
 869         if (handles) {
 870                 if (debug)
 871                         device_remove_file(&pd->dev, &handles->devattr);
 872                 kfree(handles);
 873                 handles = NULL;
 874         }
 875         return 0;
 876 }
 877
 878 static int sony_find_snc_handle(int handle)
 879 {
 880         int i;
 881
 882         /* not initialized yet, return early */
 883         if (!handles || !handle)
 884                 return -EINVAL;
 885
 886         for (i = 0; i < 0x10; i++) {
 887                 if (handles->cap[i] == handle) {
 888                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
 889                                         handle, i);
 890                         return i;
 891                 }
 892         }
 893         dprintk("handle 0x%.4x not found\n", handle);
 894         return -EINVAL;
 895 }
 896
 897 static int sony_call_snc_handle(int handle, int argument, int *result)
 898 {
 899         int arg, ret = 0;
 900         int offset = sony_find_snc_handle(handle);
 901
 902         if (offset < 0)
 903                 return offset;
 904
 905         arg = offset | argument;
 906         ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
 907         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
 908         return ret;
 909 }
 910
 911 /*
 912  * sony_nc_values input/output validate functions
 913  */
 914
 915 /* brightness_default_validate:
 916  *
 917  * manipulate input output values to keep consistency with the
 918  * backlight framework for which brightness values are 0-based.
 919  */
 920 static int brightness_default_validate(const int direction, const int value)
 921 {
 922         switch (direction) {
 923                 case SNC_VALIDATE_OUT:
 924                         return value - 1;
 925                 case SNC_VALIDATE_IN:
 926                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
 927                                 return value + 1;
 928         }
 929         return -EINVAL;
 930 }
 931
 932 /* boolean_validate:
 933  *
 934  * on input validate boolean values 0/1, on output just pass the
 935  * received value.
 936  */
 937 static int boolean_validate(const int direction, const int value)
 938 {
 939         if (direction == SNC_VALIDATE_IN) {
 940                 if (value != 0 && value != 1)
 941                         return -EINVAL;
 942         }
 943         return value;
 944 }
 945
 946 /*
 947  * Sysfs show/store common to all sony_nc_values
 948  */
 949 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
 950                               char *buffer)
 951 {
 952         int value, ret = 0;
 953         struct sony_nc_value *item =
 954             container_of(attr, struct sony_nc_value, devattr);
 955
 956         if (!*item->acpiget)
 957                 return -EIO;
 958
 959         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
 960                                 &value);
 961         if (ret < 0)
 962                 return -EIO;
 963
 964         if (item->validate)
 965                 value = item->validate(SNC_VALIDATE_OUT, value);
 966
 967         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
 968 }
 969
 970 static ssize_t sony_nc_sysfs_store(struct device *dev,
 971                                struct device_attribute *attr,
 972                                const char *buffer, size_t count)
 973 {
 974         int value;
 975         int ret = 0;
 976         struct sony_nc_value *item =
 977             container_of(attr, struct sony_nc_value, devattr);
 978
 979         if (!item->acpiset)
 980                 return -EIO;
 981
 982         if (count > 31)
 983                 return -EINVAL;
 984
 985         if (kstrtoint(buffer, 10, &value))
 986                 return -EINVAL;
 987
 988         if (item->validate)
 989                 value = item->validate(SNC_VALIDATE_IN, value);
 990
 991         if (value < 0)
 992                 return value;
 993
 994         ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
 995                                &value, NULL);
 996         if (ret < 0)
 997                 return -EIO;
 998
 999         item->value = value;
1000         item->valid = 1;
1001         return count;
1002 }
1003
1004
1005 /*
1006  * Backlight device
1007  */
1008 struct sony_backlight_props {
1009         struct backlight_device *dev;
1010         int                     handle;
1011         int                     cmd_base;
1012         u8                      offset;
1013         u8                      maxlvl;
1014 };
1015 static struct sony_backlight_props sony_bl_props;
1016
1017 static int sony_backlight_update_status(struct backlight_device *bd)
1018 {
1019         int arg = bd->props.brightness + 1;
1020         return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1021 }
1022
1023 static int sony_backlight_get_brightness(struct backlight_device *bd)
1024 {
1025         int value;
1026
1027         if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1028                 return 0;
1029         /* brightness levels are 1-based, while backlight ones are 0-based */
1030         return value - 1;
1031 }
1032
1033 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1034 {
1035         int result;
1036         struct sony_backlight_props *sdev =
1037                 (struct sony_backlight_props *)bl_get_data(bd);
1038
1039         sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1040
1041         return (result & 0xff) - sdev->offset;
1042 }
1043
1044 static int sony_nc_update_status_ng(struct backlight_device *bd)
1045 {
1046         int value, result;
1047         struct sony_backlight_props *sdev =
1048                 (struct sony_backlight_props *)bl_get_data(bd);
1049
1050         value = bd->props.brightness + sdev->offset;
1051         if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1052                                 &result))
1053                 return -EIO;
1054
1055         return value;
1056 }
1057
1058 static const struct backlight_ops sony_backlight_ops = {
1059         .options = BL_CORE_SUSPENDRESUME,
1060         .update_status = sony_backlight_update_status,
1061         .get_brightness = sony_backlight_get_brightness,
1062 };
1063 static const struct backlight_ops sony_backlight_ng_ops = {
1064         .options = BL_CORE_SUSPENDRESUME,
1065         .update_status = sony_nc_update_status_ng,
1066         .get_brightness = sony_nc_get_brightness_ng,
1067 };
1068
1069 /*
1070  * New SNC-only Vaios event mapping to driver known keys
1071  */
1072 struct sony_nc_event {
1073         u8      data;
1074         u8      event;
1075 };
1076
1077 static struct sony_nc_event sony_100_events[] = {
1078         { 0x90, SONYPI_EVENT_PKEY_P1 },
1079         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1080         { 0x91, SONYPI_EVENT_PKEY_P2 },
1081         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082         { 0x81, SONYPI_EVENT_FNKEY_F1 },
1083         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1084         { 0x82, SONYPI_EVENT_FNKEY_F2 },
1085         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1086         { 0x83, SONYPI_EVENT_FNKEY_F3 },
1087         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1088         { 0x84, SONYPI_EVENT_FNKEY_F4 },
1089         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1090         { 0x85, SONYPI_EVENT_FNKEY_F5 },
1091         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1092         { 0x86, SONYPI_EVENT_FNKEY_F6 },
1093         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1094         { 0x87, SONYPI_EVENT_FNKEY_F7 },
1095         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1096         { 0x88, SONYPI_EVENT_FNKEY_F8 },
1097         { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1098         { 0x89, SONYPI_EVENT_FNKEY_F9 },
1099         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1100         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1101         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1102         { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1103         { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1104         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1105         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1106         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1107         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1108         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1109         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1111         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1113         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1114         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1115         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1116         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1117         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118         { 0xa8, SONYPI_EVENT_FNKEY_1 },
1119         { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120         { 0, 0 },
1121 };
1122
1123 static struct sony_nc_event sony_127_events[] = {
1124         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1125         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126         { 0x82, SONYPI_EVENT_PKEY_P1 },
1127         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128         { 0x83, SONYPI_EVENT_PKEY_P2 },
1129         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130         { 0x84, SONYPI_EVENT_PKEY_P3 },
1131         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1132         { 0x85, SONYPI_EVENT_PKEY_P4 },
1133         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134         { 0x86, SONYPI_EVENT_PKEY_P5 },
1135         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1137         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138         { 0, 0 },
1139 };
1140
1141 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1142 {
1143         int ret = -EINVAL;
1144         unsigned int result = 0;
1145         struct sony_nc_event *key_event;
1146
1147         if (sony_call_snc_handle(handle, 0x200, &result)) {
1148                 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1149                                 event);
1150                 return -EINVAL;
1151         }
1152
1153         result &= 0xFF;
1154
1155         if (handle == 0x0100)
1156                 key_event = sony_100_events;
1157         else
1158                 key_event = sony_127_events;
1159
1160         for (; key_event->data; key_event++) {
1161                 if (key_event->data == result) {
1162                         ret = key_event->event;
1163                         break;
1164                 }
1165         }
1166
1167         if (!key_event->data)
1168                 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1169                                 event, result, handle);
1170
1171         return ret;
1172 }
1173
1174 /*
1175  * ACPI callbacks
1176  */
1177 enum event_types {
1178         HOTKEY = 1,
1179         KILLSWITCH,
1180         GFX_SWITCH
1181 };
1182 static void sony_nc_notify(struct acpi_device *device, u32 event)
1183 {
1184         u32 real_ev = event;
1185         u8 ev_type = 0;
1186         int ret;
1187
1188         dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1189
1190         if (event >= 0x90) {
1191                 unsigned int result = 0;
1192                 unsigned int arg = 0;
1193                 unsigned int handle = 0;
1194                 unsigned int offset = event - 0x90;
1195
1196                 if (offset >= ARRAY_SIZE(handles->cap)) {
1197                         pr_err("Event 0x%x outside of capabilities list\n",
1198                                         event);
1199                         return;
1200                 }
1201                 handle = handles->cap[offset];
1202
1203                 /* list of handles known for generating events */
1204                 switch (handle) {
1205                 /* hotkey event */
1206                 case 0x0100:
1207                 case 0x0127:
1208                         ev_type = HOTKEY;
1209                         ret = sony_nc_hotkeys_decode(event, handle);
1210
1211                         if (ret > 0) {
1212                                 sony_laptop_report_input_event(ret);
1213                                 real_ev = ret;
1214                         }
1215
1216                         break;
1217
1218                 /* wlan switch */
1219                 case 0x0124:
1220                 case 0x0135:
1221                         /* events on this handle are reported when the
1222                          * switch changes position or for battery
1223                          * events. We'll notify both of them but only
1224                          * update the rfkill device status when the
1225                          * switch is moved.
1226                          */
1227                         ev_type = KILLSWITCH;
1228                         sony_call_snc_handle(handle, 0x0100, &result);
1229                         real_ev = result & 0x03;
1230
1231                         /* hw switch event */
1232                         if (real_ev == 1)
1233                                 sony_nc_rfkill_update();
1234
1235                         break;
1236
1237                 case 0x0128:
1238                 case 0x0146:
1239                         /* Hybrid GFX switching */
1240                         sony_call_snc_handle(handle, 0x0000, &result);
1241                         dprintk("GFX switch event received (reason: %s)\n",
1242                                         (result == 0x1) ? "switch change" :
1243                                         (result == 0x2) ? "output switch" :
1244                                         (result == 0x3) ? "output switch" :
1245                                         "");
1246
1247                         ev_type = GFX_SWITCH;
1248                         real_ev = __sony_nc_gfx_switch_status_get();
1249                         break;
1250
1251                 case 0x015B:
1252                         /* Hybrid GFX switching SVS151290S */
1253                         ev_type = GFX_SWITCH;
1254                         real_ev = __sony_nc_gfx_switch_status_get();
1255                         break;
1256                 default:
1257                         dprintk("Unknown event 0x%x for handle 0x%x\n",
1258                                         event, handle);
1259                         break;
1260                 }
1261
1262                 /* clear the event (and the event reason when present) */
1263                 arg = 1 << offset;
1264                 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1265
1266         } else {
1267                 /* old style event */
1268                 ev_type = HOTKEY;
1269                 sony_laptop_report_input_event(real_ev);
1270         }
1271         acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1272                         dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1273 }
1274
1275 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1276                                       void *context, void **return_value)
1277 {
1278         struct acpi_device_info *info;
1279
1280         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1281                 pr_warn("method: name: %4.4s, args %X\n",
1282                         (char *)&info->name, info->param_count);
1283
1284                 kfree(info);
1285         }
1286
1287         return AE_OK;
1288 }
1289
1290 /*
1291  * ACPI device
1292  */
1293 static void sony_nc_function_setup(struct acpi_device *device,
1294                 struct platform_device *pf_device)
1295 {
1296         unsigned int i, result, bitmask, arg;
1297
1298         if (!handles)
1299                 return;
1300
1301         /* setup found handles here */
1302         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1303                 unsigned int handle = handles->cap[i];
1304
1305                 if (!handle)
1306                         continue;
1307
1308                 dprintk("setting up handle 0x%.4x\n", handle);
1309
1310                 switch (handle) {
1311                 case 0x0100:
1312                 case 0x0101:
1313                 case 0x0127:
1314                         /* setup hotkeys */
1315                         sony_call_snc_handle(handle, 0, &result);
1316                         break;
1317                 case 0x0102:
1318                         /* setup hotkeys */
1319                         sony_call_snc_handle(handle, 0x100, &result);
1320                         break;
1321                 case 0x0105:
1322                 case 0x0148:
1323                         /* touchpad enable/disable */
1324                         result = sony_nc_touchpad_setup(pf_device, handle);
1325                         if (result)
1326                                 pr_err("couldn't set up touchpad control function (%d)\n",
1327                                                 result);
1328                         break;
1329                 case 0x0115:
1330                 case 0x0136:
1331                 case 0x013f:
1332                         result = sony_nc_battery_care_setup(pf_device, handle);
1333                         if (result)
1334                                 pr_err("couldn't set up battery care function (%d)\n",
1335                                                 result);
1336                         break;
1337                 case 0x0119:
1338                 case 0x015D:
1339                         result = sony_nc_lid_resume_setup(pf_device, handle);
1340                         if (result)
1341                                 pr_err("couldn't set up lid resume function (%d)\n",
1342                                                 result);
1343                         break;
1344                 case 0x0122:
1345                         result = sony_nc_thermal_setup(pf_device);
1346                         if (result)
1347                                 pr_err("couldn't set up thermal profile function (%d)\n",
1348                                                 result);
1349                         break;
1350                 case 0x0128:
1351                 case 0x0146:
1352                 case 0x015B:
1353                         result = sony_nc_gfx_switch_setup(pf_device, handle);
1354                         if (result)
1355                                 pr_err("couldn't set up GFX Switch status (%d)\n",
1356                                                 result);
1357                         break;
1358                 case 0x0131:
1359                         result = sony_nc_highspeed_charging_setup(pf_device);
1360                         if (result)
1361                                 pr_err("couldn't set up high speed charging function (%d)\n",
1362                                        result);
1363                         break;
1364                 case 0x0124:
1365                 case 0x0135:
1366                         result = sony_nc_rfkill_setup(device, handle);
1367                         if (result)
1368                                 pr_err("couldn't set up rfkill support (%d)\n",
1369                                                 result);
1370                         break;
1371                 case 0x0137:
1372                 case 0x0143:
1373                 case 0x014b:
1374                 case 0x014c:
1375                 case 0x0153:
1376                 case 0x0163:
1377                         result = sony_nc_kbd_backlight_setup(pf_device, handle);
1378                         if (result)
1379                                 pr_err("couldn't set up keyboard backlight function (%d)\n",
1380                                                 result);
1381                         break;
1382                 case 0x0121:
1383                         result = sony_nc_lowbatt_setup(pf_device);
1384                         if (result)
1385                                 pr_err("couldn't set up low battery function (%d)\n",
1386                                        result);
1387                         break;
1388                 case 0x0149:
1389                         result = sony_nc_fanspeed_setup(pf_device);
1390                         if (result)
1391                                 pr_err("couldn't set up fan speed function (%d)\n",
1392                                        result);
1393                         break;
1394                 case 0x0155:
1395                         result = sony_nc_usb_charge_setup(pf_device);
1396                         if (result)
1397                                 pr_err("couldn't set up USB charge support (%d)\n",
1398                                                 result);
1399                         break;
1400                 case 0x011D:
1401                         result = sony_nc_panelid_setup(pf_device);
1402                         if (result)
1403                                 pr_err("couldn't set up panel ID function (%d)\n",
1404                                        result);
1405                         break;
1406                 case 0x0168:
1407                         result = sony_nc_smart_conn_setup(pf_device);
1408                         if (result)
1409                                 pr_err("couldn't set up smart connect support (%d)\n",
1410                                                 result);
1411                         break;
1412                 default:
1413                         continue;
1414                 }
1415         }
1416
1417         /* Enable all events */
1418         arg = 0x10;
1419         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1420                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1421                                 &result);
1422 }
1423
1424 static void sony_nc_function_cleanup(struct platform_device *pd)
1425 {
1426         unsigned int i, result, bitmask, handle;
1427
1428         if (!handles)
1429                 return;
1430
1431         /* get enabled events and disable them */
1432         sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1433         sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1434
1435         /* cleanup handles here */
1436         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1437
1438                 handle = handles->cap[i];
1439
1440                 if (!handle)
1441                         continue;
1442
1443                 switch (handle) {
1444                 case 0x0105:
1445                 case 0x0148:
1446                         sony_nc_touchpad_cleanup(pd);
1447                         break;
1448                 case 0x0115:
1449                 case 0x0136:
1450                 case 0x013f:
1451                         sony_nc_battery_care_cleanup(pd);
1452                         break;
1453                 case 0x0119:
1454                 case 0x015D:
1455                         sony_nc_lid_resume_cleanup(pd);
1456                         break;
1457                 case 0x0122:
1458                         sony_nc_thermal_cleanup(pd);
1459                         break;
1460                 case 0x0128:
1461                 case 0x0146:
1462                 case 0x015B:
1463                         sony_nc_gfx_switch_cleanup(pd);
1464                         break;
1465                 case 0x0131:
1466                         sony_nc_highspeed_charging_cleanup(pd);
1467                         break;
1468                 case 0x0124:
1469                 case 0x0135:
1470                         sony_nc_rfkill_cleanup();
1471                         break;
1472                 case 0x0137:
1473                 case 0x0143:
1474                 case 0x014b:
1475                 case 0x014c:
1476                 case 0x0153:
1477                 case 0x0163:
1478                         sony_nc_kbd_backlight_cleanup(pd, handle);
1479                         break;
1480                 case 0x0121:
1481                         sony_nc_lowbatt_cleanup(pd);
1482                         break;
1483                 case 0x0149:
1484                         sony_nc_fanspeed_cleanup(pd);
1485                         break;
1486                 case 0x0155:
1487                         sony_nc_usb_charge_cleanup(pd);
1488                         break;
1489                 case 0x011D:
1490                         sony_nc_panelid_cleanup(pd);
1491                         break;
1492                 case 0x0168:
1493                         sony_nc_smart_conn_cleanup(pd);
1494                         break;
1495                 default:
1496                         continue;
1497                 }
1498         }
1499
1500         /* finally cleanup the handles list */
1501         sony_nc_handles_cleanup(pd);
1502 }
1503
1504 #ifdef CONFIG_PM_SLEEP
1505 static void sony_nc_function_resume(void)
1506 {
1507         unsigned int i, result, bitmask, arg;
1508
1509         dprintk("Resuming SNC device\n");
1510
1511         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1512                 unsigned int handle = handles->cap[i];
1513
1514                 if (!handle)
1515                         continue;
1516
1517                 switch (handle) {
1518                 case 0x0100:
1519                 case 0x0101:
1520                 case 0x0127:
1521                         /* re-enable hotkeys */
1522                         sony_call_snc_handle(handle, 0, &result);
1523                         break;
1524                 case 0x0102:
1525                         /* re-enable hotkeys */
1526                         sony_call_snc_handle(handle, 0x100, &result);
1527                         break;
1528                 case 0x0122:
1529                         sony_nc_thermal_resume();
1530                         break;
1531                 case 0x0124:
1532                 case 0x0135:
1533                         sony_nc_rfkill_update();
1534                         break;
1535                 default:
1536                         continue;
1537                 }
1538         }
1539
1540         /* Enable all events */
1541         arg = 0x10;
1542         if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1543                 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1544                                 &result);
1545 }
1546
1547 static int sony_nc_resume(struct device *dev)
1548 {
1549         struct sony_nc_value *item;
1550
1551         for (item = sony_nc_values; item->name; item++) {
1552                 int ret;
1553
1554                 if (!item->valid)
1555                         continue;
1556                 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1557                                        &item->value, NULL);
1558                 if (ret < 0) {
1559                         pr_err("%s: %d\n", __func__, ret);
1560                         break;
1561                 }
1562         }
1563
1564         if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1565                 int arg = 1;
1566                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1567                         dprintk("ECON Method failed\n");
1568         }
1569
1570         if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1571                 sony_nc_function_resume();
1572
1573         return 0;
1574 }
1575 #endif
1576
1577 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1578
1579 static void sony_nc_rfkill_cleanup(void)
1580 {
1581         int i;
1582
1583         for (i = 0; i < N_SONY_RFKILL; i++) {
1584                 if (sony_rfkill_devices[i]) {
1585                         rfkill_unregister(sony_rfkill_devices[i]);
1586                         rfkill_destroy(sony_rfkill_devices[i]);
1587                 }
1588         }
1589 }
1590
1591 static int sony_nc_rfkill_set(void *data, bool blocked)
1592 {
1593         int result;
1594         int argument = sony_rfkill_address[(long) data] + 0x100;
1595
1596         if (!blocked)
1597                 argument |= 0x070000;
1598
1599         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1600 }
1601
1602 static const struct rfkill_ops sony_rfkill_ops = {
1603         .set_block = sony_nc_rfkill_set,
1604 };
1605
1606 static int sony_nc_setup_rfkill(struct acpi_device *device,
1607                                 enum sony_nc_rfkill nc_type)
1608 {
1609         int err;
1610         struct rfkill *rfk;
1611         enum rfkill_type type;
1612         const char *name;
1613         int result;
1614         bool hwblock, swblock;
1615
1616         switch (nc_type) {
1617         case SONY_WIFI:
1618                 type = RFKILL_TYPE_WLAN;
1619                 name = "sony-wifi";
1620                 break;
1621         case SONY_BLUETOOTH:
1622                 type = RFKILL_TYPE_BLUETOOTH;
1623                 name = "sony-bluetooth";
1624                 break;
1625         case SONY_WWAN:
1626                 type = RFKILL_TYPE_WWAN;
1627                 name = "sony-wwan";
1628                 break;
1629         case SONY_WIMAX:
1630                 type = RFKILL_TYPE_WIMAX;
1631                 name = "sony-wimax";
1632                 break;
1633         default:
1634                 return -EINVAL;
1635         }
1636
1637         rfk = rfkill_alloc(name, &device->dev, type,
1638                            &sony_rfkill_ops, (void *)nc_type);
1639         if (!rfk)
1640                 return -ENOMEM;
1641
1642         err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1643         if (err < 0) {
1644                 rfkill_destroy(rfk);
1645                 return err;
1646         }
1647         hwblock = !(result & 0x1);
1648
1649         err = sony_call_snc_handle(sony_rfkill_handle,
1650                                    sony_rfkill_address[nc_type],
1651                                    &result);
1652         if (err < 0) {
1653                 rfkill_destroy(rfk);
1654                 return err;
1655         }
1656         swblock = !(result & 0x2);
1657
1658         rfkill_init_sw_state(rfk, swblock);
1659         rfkill_set_hw_state(rfk, hwblock);
1660
1661         err = rfkill_register(rfk);
1662         if (err) {
1663                 rfkill_destroy(rfk);
1664                 return err;
1665         }
1666         sony_rfkill_devices[nc_type] = rfk;
1667         return err;
1668 }
1669
1670 static void sony_nc_rfkill_update(void)
1671 {
1672         enum sony_nc_rfkill i;
1673         int result;
1674         bool hwblock;
1675
1676         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1677         hwblock = !(result & 0x1);
1678
1679         for (i = 0; i < N_SONY_RFKILL; i++) {
1680                 int argument = sony_rfkill_address[i];
1681
1682                 if (!sony_rfkill_devices[i])
1683                         continue;
1684
1685                 if (hwblock) {
1686                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1687                                 /* we already know we're blocked */
1688                         }
1689                         continue;
1690                 }
1691
1692                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1693                 rfkill_set_states(sony_rfkill_devices[i],
1694                                   !(result & 0x2), false);
1695         }
1696 }
1697
1698 static int sony_nc_rfkill_setup(struct acpi_device *device,
1699                 unsigned int handle)
1700 {
1701         u64 offset;
1702         int i;
1703         unsigned char buffer[32] = { 0 };
1704
1705         offset = sony_find_snc_handle(handle);
1706         sony_rfkill_handle = handle;
1707
1708         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1709                         32);
1710         if (i < 0)
1711                 return i;
1712
1713         /* The buffer is filled with magic numbers describing the devices
1714          * available, 0xff terminates the enumeration.
1715          * Known codes:
1716          *      0x00 WLAN
1717          *      0x10 BLUETOOTH
1718          *      0x20 WWAN GPRS-EDGE
1719          *      0x21 WWAN HSDPA
1720          *      0x22 WWAN EV-DO
1721          *      0x23 WWAN GPS
1722          *      0x25 Gobi WWAN no GPS
1723          *      0x26 Gobi WWAN + GPS
1724          *      0x28 Gobi WWAN no GPS
1725          *      0x29 Gobi WWAN + GPS
1726          *      0x30 WIMAX
1727          *      0x50 Gobi WWAN no GPS
1728          *      0x51 Gobi WWAN + GPS
1729          *      0x70 no SIM card slot
1730          *      0x71 SIM card slot
1731          */
1732         for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1733
1734                 if (buffer[i] == 0xff)
1735                         break;
1736
1737                 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1738
1739                 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1740                         sony_nc_setup_rfkill(device, SONY_WIFI);
1741
1742                 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1743                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1744
1745                 if (((0xf0 & buffer[i]) == 0x20 ||
1746                                         (0xf0 & buffer[i]) == 0x50) &&
1747                                 !sony_rfkill_devices[SONY_WWAN])
1748                         sony_nc_setup_rfkill(device, SONY_WWAN);
1749
1750                 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1751                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1752         }
1753         return 0;
1754 }
1755
1756 /* Keyboard backlight feature */
1757 struct kbd_backlight {
1758         unsigned int handle;
1759         unsigned int base;
1760         unsigned int mode;
1761         unsigned int timeout;
1762         unsigned int has_timeout;
1763         struct device_attribute mode_attr;
1764         struct device_attribute timeout_attr;
1765 };
1766
1767 static struct kbd_backlight *kbdbl_ctl;
1768
1769 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1770 {
1771         int result;
1772
1773         if (value > 2)
1774                 return -EINVAL;
1775
1776         if (sony_call_snc_handle(kbdbl_ctl->handle,
1777                                 (value << 0x10) | (kbdbl_ctl->base), &result))
1778                 return -EIO;
1779
1780         /* Try to turn the light on/off immediately */
1781         if (value != 1)
1782                 sony_call_snc_handle(kbdbl_ctl->handle,
1783                                 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1784                                 &result);
1785
1786         kbdbl_ctl->mode = value;
1787
1788         return 0;
1789 }
1790
1791 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1792                 struct device_attribute *attr,
1793                 const char *buffer, size_t count)
1794 {
1795         int ret = 0;
1796         unsigned long value;
1797
1798         if (count > 31)
1799                 return -EINVAL;
1800
1801         if (kstrtoul(buffer, 10, &value))
1802                 return -EINVAL;
1803
1804         ret = __sony_nc_kbd_backlight_mode_set(value);
1805         if (ret < 0)
1806                 return ret;
1807
1808         return count;
1809 }
1810
1811 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1812                 struct device_attribute *attr, char *buffer)
1813 {
1814         ssize_t count = 0;
1815         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1816         return count;
1817 }
1818
1819 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1820 {
1821         int result;
1822
1823         if (value > 3)
1824                 return -EINVAL;
1825
1826         if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1827                                 (kbdbl_ctl->base + 0x200), &result))
1828                 return -EIO;
1829
1830         kbdbl_ctl->timeout = value;
1831
1832         return 0;
1833 }
1834
1835 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1836                 struct device_attribute *attr,
1837                 const char *buffer, size_t count)
1838 {
1839         int ret = 0;
1840         unsigned long value;
1841
1842         if (count > 31)
1843                 return -EINVAL;
1844
1845         if (kstrtoul(buffer, 10, &value))
1846                 return -EINVAL;
1847
1848         ret = __sony_nc_kbd_backlight_timeout_set(value);
1849         if (ret < 0)
1850                 return ret;
1851
1852         return count;
1853 }
1854
1855 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1856                 struct device_attribute *attr, char *buffer)
1857 {
1858         ssize_t count = 0;
1859         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1860         return count;
1861 }
1862
1863 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1864                 unsigned int handle)
1865 {
1866         int result;
1867         int probe_base = 0;
1868         int ctl_base = 0;
1869         int ret = 0;
1870
1871         if (kbdbl_ctl) {
1872                 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1873                                 handle, kbdbl_ctl->handle);
1874                 return -EBUSY;
1875         }
1876
1877         /* verify the kbd backlight presence, some of these handles are not used
1878          * for keyboard backlight only
1879          */
1880         switch (handle) {
1881         case 0x0153:
1882                 probe_base = 0x0;
1883                 ctl_base = 0x0;
1884                 break;
1885         case 0x0137:
1886                 probe_base = 0x0B00;
1887                 ctl_base = 0x0C00;
1888                 break;
1889         default:
1890                 probe_base = 0x0100;
1891                 ctl_base = 0x4000;
1892                 break;
1893         }
1894
1895         ret = sony_call_snc_handle(handle, probe_base, &result);
1896         if (ret)
1897                 return ret;
1898
1899         if ((handle == 0x0137 && !(result & 0x02)) ||
1900                         !(result & 0x01)) {
1901                 dprintk("no backlight keyboard found\n");
1902                 return 0;
1903         }
1904
1905         kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1906         if (!kbdbl_ctl)
1907                 return -ENOMEM;
1908
1909         kbdbl_ctl->mode = kbd_backlight;
1910         kbdbl_ctl->timeout = kbd_backlight_timeout;
1911         kbdbl_ctl->handle = handle;
1912         kbdbl_ctl->base = ctl_base;
1913         /* Some models do not allow timeout control */
1914         kbdbl_ctl->has_timeout = handle != 0x0153;
1915
1916         sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1917         kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1918         kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1919         kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1920         kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1921
1922         ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1923         if (ret)
1924                 goto outkzalloc;
1925
1926         __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1927
1928         if (kbdbl_ctl->has_timeout) {
1929                 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1930                 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1931                 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1932                 kbdbl_ctl->timeout_attr.show =
1933                         sony_nc_kbd_backlight_timeout_show;
1934                 kbdbl_ctl->timeout_attr.store =
1935                         sony_nc_kbd_backlight_timeout_store;
1936
1937                 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1938                 if (ret)
1939                         goto outmode;
1940
1941                 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1942         }
1943
1944
1945         return 0;
1946
1947 outmode:
1948         device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1949 outkzalloc:
1950         kfree(kbdbl_ctl);
1951         kbdbl_ctl = NULL;
1952         return ret;
1953 }
1954
1955 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1956                 unsigned int handle)
1957 {
1958         if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1959                 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1960                 if (kbdbl_ctl->has_timeout)
1961                         device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1962                 kfree(kbdbl_ctl);
1963                 kbdbl_ctl = NULL;
1964         }
1965 }
1966
1967 struct battery_care_control {
1968         struct device_attribute attrs[2];
1969         unsigned int handle;
1970 };
1971 static struct battery_care_control *bcare_ctl;
1972
1973 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1974                 struct device_attribute *attr,
1975                 const char *buffer, size_t count)
1976 {
1977         unsigned int result, cmd;
1978         unsigned long value;
1979
1980         if (count > 31)
1981                 return -EINVAL;
1982
1983         if (kstrtoul(buffer, 10, &value))
1984                 return -EINVAL;
1985
1986         /*  limit values (2 bits):
1987          *  00 - none
1988          *  01 - 80%
1989          *  10 - 50%
1990          *  11 - 100%
1991          *
1992          *  bit 0: 0 disable BCL, 1 enable BCL
1993          *  bit 1: 1 tell to store the battery limit (see bits 6,7) too
1994          *  bits 2,3: reserved
1995          *  bits 4,5: store the limit into the EC
1996          *  bits 6,7: store the limit into the battery
1997          */
1998         cmd = 0;
1999
2000         if (value > 0) {
2001                 if (value <= 50)
2002                         cmd = 0x20;
2003
2004                 else if (value <= 80)
2005                         cmd = 0x10;
2006
2007                 else if (value <= 100)
2008                         cmd = 0x30;
2009
2010                 else
2011                         return -EINVAL;
2012
2013                 /*
2014                  * handle 0x0115 should allow storing on battery too;
2015                  * handle 0x0136 same as 0x0115 + health status;
2016                  * handle 0x013f, same as 0x0136 but no storing on the battery
2017                  */
2018                 if (bcare_ctl->handle != 0x013f)
2019                         cmd = cmd | (cmd << 2);
2020
2021                 cmd = (cmd | 0x1) << 0x10;
2022         }
2023
2024         if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2025                 return -EIO;
2026
2027         return count;
2028 }
2029
2030 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2031                 struct device_attribute *attr, char *buffer)
2032 {
2033         unsigned int result, status;
2034
2035         if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2036                 return -EIO;
2037
2038         status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2039         switch (status) {
2040         case 1:
2041                 status = 80;
2042                 break;
2043         case 2:
2044                 status = 50;
2045                 break;
2046         case 3:
2047                 status = 100;
2048                 break;
2049         default:
2050                 status = 0;
2051                 break;
2052         }
2053
2054         return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2055 }
2056
2057 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2058                 struct device_attribute *attr, char *buffer)
2059 {
2060         ssize_t count = 0;
2061         unsigned int health;
2062
2063         if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2064                 return -EIO;
2065
2066         count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2067
2068         return count;
2069 }
2070
2071 static int sony_nc_battery_care_setup(struct platform_device *pd,
2072                 unsigned int handle)
2073 {
2074         int ret = 0;
2075
2076         bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2077         if (!bcare_ctl)
2078                 return -ENOMEM;
2079
2080         bcare_ctl->handle = handle;
2081
2082         sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2083         bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2084         bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2085         bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2086         bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2087
2088         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2089         if (ret)
2090                 goto outkzalloc;
2091
2092         /* 0x0115 is for models with no health reporting capability */
2093         if (handle == 0x0115)
2094                 return 0;
2095
2096         sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2097         bcare_ctl->attrs[1].attr.name = "battery_care_health";
2098         bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2099         bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2100
2101         ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2102         if (ret)
2103                 goto outlimiter;
2104
2105         return 0;
2106
2107 outlimiter:
2108         device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2109
2110 outkzalloc:
2111         kfree(bcare_ctl);
2112         bcare_ctl = NULL;
2113
2114         return ret;
2115 }
2116
2117 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2118 {
2119         if (bcare_ctl) {
2120                 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2121                 if (bcare_ctl->handle != 0x0115)
2122                         device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2123
2124                 kfree(bcare_ctl);
2125                 bcare_ctl = NULL;
2126         }
2127 }
2128
2129 struct snc_thermal_ctrl {
2130         unsigned int mode;
2131         unsigned int profiles;
2132         struct device_attribute mode_attr;
2133         struct device_attribute profiles_attr;
2134 };
2135 static struct snc_thermal_ctrl *th_handle;
2136
2137 #define THM_PROFILE_MAX 3
2138 static const char * const snc_thermal_profiles[] = {
2139         "balanced",
2140         "silent",
2141         "performance"
2142 };
2143
2144 static int sony_nc_thermal_mode_set(unsigned short mode)
2145 {
2146         unsigned int result;
2147
2148         /* the thermal profile seems to be a two bit bitmask:
2149          * lsb -> silent
2150          * msb -> performance
2151          * no bit set is the normal operation and is always valid
2152          * Some vaio models only have "balanced" and "performance"
2153          */
2154         if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2155                 return -EINVAL;
2156
2157         if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2158                 return -EIO;
2159
2160         th_handle->mode = mode;
2161
2162         return 0;
2163 }
2164
2165 static int sony_nc_thermal_mode_get(void)
2166 {
2167         unsigned int result;
2168
2169         if (sony_call_snc_handle(0x0122, 0x0100, &result))
2170                 return -EIO;
2171
2172         return result & 0xff;
2173 }
2174
2175 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2176                 struct device_attribute *attr, char *buffer)
2177 {
2178         short cnt;
2179         size_t idx = 0;
2180
2181         for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2182                 if (!cnt || (th_handle->profiles & cnt))
2183                         idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2184                                         snc_thermal_profiles[cnt]);
2185         }
2186         idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2187
2188         return idx;
2189 }
2190
2191 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2192                 struct device_attribute *attr,
2193                 const char *buffer, size_t count)
2194 {
2195         unsigned short cmd;
2196         size_t len = count;
2197
2198         if (count == 0)
2199                 return -EINVAL;
2200
2201         /* skip the newline if present */
2202         if (buffer[len - 1] == '\n')
2203                 len--;
2204
2205         for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2206                 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2207                         break;
2208
2209         if (sony_nc_thermal_mode_set(cmd))
2210                 return -EIO;
2211
2212         return count;
2213 }
2214
2215 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2216                 struct device_attribute *attr, char *buffer)
2217 {
2218         ssize_t count = 0;
2219         int mode = sony_nc_thermal_mode_get();
2220
2221         if (mode < 0)
2222                 return mode;
2223
2224         count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2225
2226         return count;
2227 }
2228
2229 static int sony_nc_thermal_setup(struct platform_device *pd)
2230 {
2231         int ret = 0;
2232         th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2233         if (!th_handle)
2234                 return -ENOMEM;
2235
2236         ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2237         if (ret) {
2238                 pr_warn("couldn't to read the thermal profiles\n");
2239                 goto outkzalloc;
2240         }
2241
2242         ret = sony_nc_thermal_mode_get();
2243         if (ret < 0) {
2244                 pr_warn("couldn't to read the current thermal profile");
2245                 goto outkzalloc;
2246         }
2247         th_handle->mode = ret;
2248
2249         sysfs_attr_init(&th_handle->profiles_attr.attr);
2250         th_handle->profiles_attr.attr.name = "thermal_profiles";
2251         th_handle->profiles_attr.attr.mode = S_IRUGO;
2252         th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2253
2254         sysfs_attr_init(&th_handle->mode_attr.attr);
2255         th_handle->mode_attr.attr.name = "thermal_control";
2256         th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2257         th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2258         th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2259
2260         ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2261         if (ret)
2262                 goto outkzalloc;
2263
2264         ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2265         if (ret)
2266                 goto outprofiles;
2267
2268         return 0;
2269
2270 outprofiles:
2271         device_remove_file(&pd->dev, &th_handle->profiles_attr);
2272 outkzalloc:
2273         kfree(th_handle);
2274         th_handle = NULL;
2275         return ret;
2276 }
2277
2278 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2279 {
2280         if (th_handle) {
2281                 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2282                 device_remove_file(&pd->dev, &th_handle->mode_attr);
2283                 kfree(th_handle);
2284                 th_handle = NULL;
2285         }
2286 }
2287
2288 #ifdef CONFIG_PM_SLEEP
2289 static void sony_nc_thermal_resume(void)
2290 {
2291         int status;
2292
2293         if (!th_handle)
2294                 return;
2295
2296         status = sony_nc_thermal_mode_get();
2297
2298         if (status != th_handle->mode)
2299                 sony_nc_thermal_mode_set(th_handle->mode);
2300 }
2301 #endif
2302
2303 /* resume on LID open */
2304 #define LID_RESUME_S5   0
2305 #define LID_RESUME_S4   1
2306 #define LID_RESUME_S3   2
2307 #define LID_RESUME_MAX  3
2308 struct snc_lid_resume_control {
2309         struct device_attribute attrs[LID_RESUME_MAX];
2310         unsigned int status;
2311         int handle;
2312 };
2313 static struct snc_lid_resume_control *lid_ctl;
2314
2315 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2316                                         struct device_attribute *attr,
2317                                         const char *buffer, size_t count)
2318 {
2319         unsigned int result;
2320         unsigned long value;
2321         unsigned int pos = LID_RESUME_S5;
2322         if (count > 31)
2323                 return -EINVAL;
2324
2325         if (kstrtoul(buffer, 10, &value) || value > 1)
2326                 return -EINVAL;
2327
2328         /* the value we have to write to SNC is a bitmask:
2329          * +--------------+
2330          * | S3 | S4 | S5 |
2331          * +--------------+
2332          *   2    1    0
2333          */
2334         while (pos < LID_RESUME_MAX) {
2335                 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2336                         break;
2337                 pos++;
2338         }
2339         if (pos == LID_RESUME_MAX)
2340                 return -EINVAL;
2341
2342         if (value)
2343                 value = lid_ctl->status | (1 << pos);
2344         else
2345                 value = lid_ctl->status & ~(1 << pos);
2346
2347         if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2348                                 &result))
2349                 return -EIO;
2350
2351         lid_ctl->status = value;
2352
2353         return count;
2354 }
2355
2356 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2357                                         struct device_attribute *attr,
2358                                         char *buffer)
2359 {
2360         unsigned int pos = LID_RESUME_S5;
2361
2362         while (pos < LID_RESUME_MAX) {
2363                 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2364                         return snprintf(buffer, PAGE_SIZE, "%d\n",
2365                                         (lid_ctl->status >> pos) & 0x01);
2366                 pos++;
2367         }
2368         return -EINVAL;
2369 }
2370
2371 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2372                                         unsigned int handle)
2373 {
2374         unsigned int result;
2375         int i;
2376
2377         if (sony_call_snc_handle(handle, 0x0000, &result))
2378                 return -EIO;
2379
2380         lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2381         if (!lid_ctl)
2382                 return -ENOMEM;
2383
2384         lid_ctl->status = result & 0x7;
2385         lid_ctl->handle = handle;
2386
2387         sysfs_attr_init(&lid_ctl->attrs[0].attr);
2388         lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2389         lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2390         lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2391         lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2392
2393         if (handle == 0x0119) {
2394                 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2395                 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2396                 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2397                 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2398                 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2399
2400                 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2401                 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2402                 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2403                 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2404                 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2405         }
2406         for (i = 0; i < LID_RESUME_MAX &&
2407                         lid_ctl->attrs[i].attr.name; i++) {
2408                 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2409                 if (result)
2410                         goto liderror;
2411         }
2412
2413         return 0;
2414
2415 liderror:
2416         for (i--; i >= 0; i--)
2417                 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2418
2419         kfree(lid_ctl);
2420         lid_ctl = NULL;
2421
2422         return result;
2423 }
2424
2425 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2426 {
2427         int i;
2428
2429         if (lid_ctl) {
2430                 for (i = 0; i < LID_RESUME_MAX; i++) {
2431                         if (!lid_ctl->attrs[i].attr.name)
2432                                 break;
2433
2434                         device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2435                 }
2436
2437                 kfree(lid_ctl);
2438                 lid_ctl = NULL;
2439         }
2440 }
2441
2442 /* GFX Switch position */
2443 enum gfx_switch {
2444         SPEED,
2445         STAMINA,
2446         AUTO
2447 };
2448 struct snc_gfx_switch_control {
2449         struct device_attribute attr;
2450         unsigned int handle;
2451 };
2452 static struct snc_gfx_switch_control *gfxs_ctl;
2453
2454 /* returns 0 for speed, 1 for stamina */
2455 static int __sony_nc_gfx_switch_status_get(void)
2456 {
2457         unsigned int result;
2458
2459         if (sony_call_snc_handle(gfxs_ctl->handle,
2460                                 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2461                                 &result))
2462                 return -EIO;
2463
2464         switch (gfxs_ctl->handle) {
2465         case 0x0146:
2466                 /* 1: discrete GFX (speed)
2467                  * 0: integrated GFX (stamina)
2468                  */
2469                 return result & 0x1 ? SPEED : STAMINA;
2470         case 0x015B:
2471                 /* 0: discrete GFX (speed)
2472                  * 1: integrated GFX (stamina)
2473                  */
2474                 return result & 0x1 ? STAMINA : SPEED;
2475         case 0x0128:
2476                 /* it's a more elaborated bitmask, for now:
2477                  * 2: integrated GFX (stamina)
2478                  * 0: discrete GFX (speed)
2479                  */
2480                 dprintk("GFX Status: 0x%x\n", result);
2481                 return result & 0x80 ? AUTO :
2482                         result & 0x02 ? STAMINA : SPEED;
2483         }
2484         return -EINVAL;
2485 }
2486
2487 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2488                                        struct device_attribute *attr,
2489                                        char *buffer)
2490 {
2491         int pos = __sony_nc_gfx_switch_status_get();
2492
2493         if (pos < 0)
2494                 return pos;
2495
2496         return snprintf(buffer, PAGE_SIZE, "%s\n",
2497                                         pos == SPEED ? "speed" :
2498                                         pos == STAMINA ? "stamina" :
2499                                         pos == AUTO ? "auto" : "unknown");
2500 }
2501
2502 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2503                 unsigned int handle)
2504 {
2505         unsigned int result;
2506
2507         gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2508         if (!gfxs_ctl)
2509                 return -ENOMEM;
2510
2511         gfxs_ctl->handle = handle;
2512
2513         sysfs_attr_init(&gfxs_ctl->attr.attr);
2514         gfxs_ctl->attr.attr.name = "gfx_switch_status";
2515         gfxs_ctl->attr.attr.mode = S_IRUGO;
2516         gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2517
2518         result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2519         if (result)
2520                 goto gfxerror;
2521
2522         return 0;
2523
2524 gfxerror:
2525         kfree(gfxs_ctl);
2526         gfxs_ctl = NULL;
2527
2528         return result;
2529 }
2530
2531 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2532 {
2533         if (gfxs_ctl) {
2534                 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2535
2536                 kfree(gfxs_ctl);
2537                 gfxs_ctl = NULL;
2538         }
2539 }
2540
2541 /* High speed charging function */
2542 static struct device_attribute *hsc_handle;
2543
2544 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2545                 struct device_attribute *attr,
2546                 const char *buffer, size_t count)
2547 {
2548         unsigned int result;
2549         unsigned long value;
2550
2551         if (count > 31)
2552                 return -EINVAL;
2553
2554         if (kstrtoul(buffer, 10, &value) || value > 1)
2555                 return -EINVAL;
2556
2557         if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2558                 return -EIO;
2559
2560         return count;
2561 }
2562
2563 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2564                 struct device_attribute *attr, char *buffer)
2565 {
2566         unsigned int result;
2567
2568         if (sony_call_snc_handle(0x0131, 0x0100, &result))
2569                 return -EIO;
2570
2571         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2572 }
2573
2574 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2575 {
2576         unsigned int result;
2577
2578         if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2579                 /* some models advertise the handle but have no implementation
2580                  * for it
2581                  */
2582                 pr_info("No High Speed Charging capability found\n");
2583                 return 0;
2584         }
2585
2586         hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2587         if (!hsc_handle)
2588                 return -ENOMEM;
2589
2590         sysfs_attr_init(&hsc_handle->attr);
2591         hsc_handle->attr.name = "battery_highspeed_charging";
2592         hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2593         hsc_handle->show = sony_nc_highspeed_charging_show;
2594         hsc_handle->store = sony_nc_highspeed_charging_store;
2595
2596         result = device_create_file(&pd->dev, hsc_handle);
2597         if (result) {
2598                 kfree(hsc_handle);
2599                 hsc_handle = NULL;
2600                 return result;
2601         }
2602
2603         return 0;
2604 }
2605
2606 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2607 {
2608         if (hsc_handle) {
2609                 device_remove_file(&pd->dev, hsc_handle);
2610                 kfree(hsc_handle);
2611                 hsc_handle = NULL;
2612         }
2613 }
2614
2615 /* low battery function */
2616 static struct device_attribute *lowbatt_handle;
2617
2618 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2619                 struct device_attribute *attr,
2620                 const char *buffer, size_t count)
2621 {
2622         unsigned int result;
2623         unsigned long value;
2624
2625         if (count > 31)
2626                 return -EINVAL;
2627
2628         if (kstrtoul(buffer, 10, &value) || value > 1)
2629                 return -EINVAL;
2630
2631         if (sony_call_snc_handle(0x0121, value << 8, &result))
2632                 return -EIO;
2633
2634         return count;
2635 }
2636
2637 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2638                 struct device_attribute *attr, char *buffer)
2639 {
2640         unsigned int result;
2641
2642         if (sony_call_snc_handle(0x0121, 0x0200, &result))
2643                 return -EIO;
2644
2645         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2646 }
2647
2648 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2649 {
2650         unsigned int result;
2651
2652         lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2653         if (!lowbatt_handle)
2654                 return -ENOMEM;
2655
2656         sysfs_attr_init(&lowbatt_handle->attr);
2657         lowbatt_handle->attr.name = "lowbatt_hibernate";
2658         lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2659         lowbatt_handle->show = sony_nc_lowbatt_show;
2660         lowbatt_handle->store = sony_nc_lowbatt_store;
2661
2662         result = device_create_file(&pd->dev, lowbatt_handle);
2663         if (result) {
2664                 kfree(lowbatt_handle);
2665                 lowbatt_handle = NULL;
2666                 return result;
2667         }
2668
2669         return 0;
2670 }
2671
2672 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2673 {
2674         if (lowbatt_handle) {
2675                 device_remove_file(&pd->dev, lowbatt_handle);
2676                 kfree(lowbatt_handle);
2677                 lowbatt_handle = NULL;
2678         }
2679 }
2680
2681 /* fan speed function */
2682 static struct device_attribute *fan_handle, *hsf_handle;
2683
2684 static ssize_t sony_nc_hsfan_store(struct device *dev,
2685                 struct device_attribute *attr,
2686                 const char *buffer, size_t count)
2687 {
2688         unsigned int result;
2689         unsigned long value;
2690
2691         if (count > 31)
2692                 return -EINVAL;
2693
2694         if (kstrtoul(buffer, 10, &value) || value > 1)
2695                 return -EINVAL;
2696
2697         if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2698                 return -EIO;
2699
2700         return count;
2701 }
2702
2703 static ssize_t sony_nc_hsfan_show(struct device *dev,
2704                 struct device_attribute *attr, char *buffer)
2705 {
2706         unsigned int result;
2707
2708         if (sony_call_snc_handle(0x0149, 0x0100, &result))
2709                 return -EIO;
2710
2711         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2712 }
2713
2714 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2715                 struct device_attribute *attr, char *buffer)
2716 {
2717         unsigned int result;
2718
2719         if (sony_call_snc_handle(0x0149, 0x0300, &result))
2720                 return -EIO;
2721
2722         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2723 }
2724
2725 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2726 {
2727         unsigned int result;
2728
2729         fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2730         if (!fan_handle)
2731                 return -ENOMEM;
2732
2733         hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2734         if (!hsf_handle) {
2735                 result = -ENOMEM;
2736                 goto out_hsf_handle_alloc;
2737         }
2738
2739         sysfs_attr_init(&fan_handle->attr);
2740         fan_handle->attr.name = "fanspeed";
2741         fan_handle->attr.mode = S_IRUGO;
2742         fan_handle->show = sony_nc_fanspeed_show;
2743         fan_handle->store = NULL;
2744
2745         sysfs_attr_init(&hsf_handle->attr);
2746         hsf_handle->attr.name = "fan_forced";
2747         hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2748         hsf_handle->show = sony_nc_hsfan_show;
2749         hsf_handle->store = sony_nc_hsfan_store;
2750
2751         result = device_create_file(&pd->dev, fan_handle);
2752         if (result)
2753                 goto out_fan_handle;
2754
2755         result = device_create_file(&pd->dev, hsf_handle);
2756         if (result)
2757                 goto out_hsf_handle;
2758
2759         return 0;
2760
2761 out_hsf_handle:
2762         device_remove_file(&pd->dev, fan_handle);
2763
2764 out_fan_handle:
2765         kfree(hsf_handle);
2766         hsf_handle = NULL;
2767
2768 out_hsf_handle_alloc:
2769         kfree(fan_handle);
2770         fan_handle = NULL;
2771         return result;
2772 }
2773
2774 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2775 {
2776         if (fan_handle) {
2777                 device_remove_file(&pd->dev, fan_handle);
2778                 kfree(fan_handle);
2779                 fan_handle = NULL;
2780         }
2781         if (hsf_handle) {
2782                 device_remove_file(&pd->dev, hsf_handle);
2783                 kfree(hsf_handle);
2784                 hsf_handle = NULL;
2785         }
2786 }
2787
2788 /* USB charge function */
2789 static struct device_attribute *uc_handle;
2790
2791 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2792                 struct device_attribute *attr,
2793                 const char *buffer, size_t count)
2794 {
2795         unsigned int result;
2796         unsigned long value;
2797
2798         if (count > 31)
2799                 return -EINVAL;
2800
2801         if (kstrtoul(buffer, 10, &value) || value > 1)
2802                 return -EINVAL;
2803
2804         if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2805                 return -EIO;
2806
2807         return count;
2808 }
2809
2810 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2811                 struct device_attribute *attr, char *buffer)
2812 {
2813         unsigned int result;
2814
2815         if (sony_call_snc_handle(0x0155, 0x0000, &result))
2816                 return -EIO;
2817
2818         return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2819 }
2820
2821 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2822 {
2823         unsigned int result;
2824
2825         if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2826                 /* some models advertise the handle but have no implementation
2827                  * for it
2828                  */
2829                 pr_info("No USB Charge capability found\n");
2830                 return 0;
2831         }
2832
2833         uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2834         if (!uc_handle)
2835                 return -ENOMEM;
2836
2837         sysfs_attr_init(&uc_handle->attr);
2838         uc_handle->attr.name = "usb_charge";
2839         uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2840         uc_handle->show = sony_nc_usb_charge_show;
2841         uc_handle->store = sony_nc_usb_charge_store;
2842
2843         result = device_create_file(&pd->dev, uc_handle);
2844         if (result) {
2845                 kfree(uc_handle);
2846                 uc_handle = NULL;
2847                 return result;
2848         }
2849
2850         return 0;
2851 }
2852
2853 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2854 {
2855         if (uc_handle) {
2856                 device_remove_file(&pd->dev, uc_handle);
2857                 kfree(uc_handle);
2858                 uc_handle = NULL;
2859         }
2860 }
2861
2862 /* Panel ID function */
2863 static struct device_attribute *panel_handle;
2864
2865 static ssize_t sony_nc_panelid_show(struct device *dev,
2866                 struct device_attribute *attr, char *buffer)
2867 {
2868         unsigned int result;
2869
2870         if (sony_call_snc_handle(0x011D, 0x0000, &result))
2871                 return -EIO;
2872
2873         return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2874 }
2875
2876 static int sony_nc_panelid_setup(struct platform_device *pd)
2877 {
2878         unsigned int result;
2879
2880         panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2881         if (!panel_handle)
2882                 return -ENOMEM;
2883
2884         sysfs_attr_init(&panel_handle->attr);
2885         panel_handle->attr.name = "panel_id";
2886         panel_handle->attr.mode = S_IRUGO;
2887         panel_handle->show = sony_nc_panelid_show;
2888         panel_handle->store = NULL;
2889
2890         result = device_create_file(&pd->dev, panel_handle);
2891         if (result) {
2892                 kfree(panel_handle);
2893                 panel_handle = NULL;
2894                 return result;
2895         }
2896
2897         return 0;
2898 }
2899
2900 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2901 {
2902         if (panel_handle) {
2903                 device_remove_file(&pd->dev, panel_handle);
2904                 kfree(panel_handle);
2905                 panel_handle = NULL;
2906         }
2907 }
2908
2909 /* smart connect function */
2910 static struct device_attribute *sc_handle;
2911
2912 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2913                 struct device_attribute *attr,
2914                 const char *buffer, size_t count)
2915 {
2916         unsigned int result;
2917         unsigned long value;
2918
2919         if (count > 31)
2920                 return -EINVAL;
2921
2922         if (kstrtoul(buffer, 10, &value) || value > 1)
2923                 return -EINVAL;
2924
2925         if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2926                 return -EIO;
2927
2928         return count;
2929 }
2930
2931 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2932 {
2933         unsigned int result;
2934
2935         sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2936         if (!sc_handle)
2937                 return -ENOMEM;
2938
2939         sysfs_attr_init(&sc_handle->attr);
2940         sc_handle->attr.name = "smart_connect";
2941         sc_handle->attr.mode = S_IWUSR;
2942         sc_handle->show = NULL;
2943         sc_handle->store = sony_nc_smart_conn_store;
2944
2945         result = device_create_file(&pd->dev, sc_handle);
2946         if (result) {
2947                 kfree(sc_handle);
2948                 sc_handle = NULL;
2949                 return result;
2950         }
2951
2952         return 0;
2953 }
2954
2955 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2956 {
2957         if (sc_handle) {
2958                 device_remove_file(&pd->dev, sc_handle);
2959                 kfree(sc_handle);
2960                 sc_handle = NULL;
2961         }
2962 }
2963
2964 /* Touchpad enable/disable */
2965 struct touchpad_control {
2966         struct device_attribute attr;
2967         int handle;
2968 };
2969 static struct touchpad_control *tp_ctl;
2970
2971 static ssize_t sony_nc_touchpad_store(struct device *dev,
2972                 struct device_attribute *attr, const char *buffer, size_t count)
2973 {
2974         unsigned int result;
2975         unsigned long value;
2976
2977         if (count > 31)
2978                 return -EINVAL;
2979
2980         if (kstrtoul(buffer, 10, &value) || value > 1)
2981                 return -EINVAL;
2982
2983         /* sysfs: 0 disabled, 1 enabled
2984          * EC: 0 enabled, 1 disabled
2985          */
2986         if (sony_call_snc_handle(tp_ctl->handle,
2987                                 (!value << 0x10) | 0x100, &result))
2988                 return -EIO;
2989
2990         return count;
2991 }
2992
2993 static ssize_t sony_nc_touchpad_show(struct device *dev,
2994                 struct device_attribute *attr, char *buffer)
2995 {
2996         unsigned int result;
2997
2998         if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2999                 return -EINVAL;
3000
3001         return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3002 }
3003
3004 static int sony_nc_touchpad_setup(struct platform_device *pd,
3005                 unsigned int handle)
3006 {
3007         int ret = 0;
3008
3009         tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3010         if (!tp_ctl)
3011                 return -ENOMEM;
3012
3013         tp_ctl->handle = handle;
3014
3015         sysfs_attr_init(&tp_ctl->attr.attr);
3016         tp_ctl->attr.attr.name = "touchpad";
3017         tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3018         tp_ctl->attr.show = sony_nc_touchpad_show;
3019         tp_ctl->attr.store = sony_nc_touchpad_store;
3020
3021         ret = device_create_file(&pd->dev, &tp_ctl->attr);
3022         if (ret) {
3023                 kfree(tp_ctl);
3024                 tp_ctl = NULL;
3025         }
3026
3027         return ret;
3028 }
3029
3030 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3031 {
3032         if (tp_ctl) {
3033                 device_remove_file(&pd->dev, &tp_ctl->attr);
3034                 kfree(tp_ctl);
3035                 tp_ctl = NULL;
3036         }
3037 }
3038
3039 static void sony_nc_backlight_ng_read_limits(int handle,
3040                 struct sony_backlight_props *props)
3041 {
3042         u64 offset;
3043         int i;
3044         int lvl_table_len = 0;
3045         u8 min = 0xff, max = 0x00;
3046         unsigned char buffer[32] = { 0 };
3047
3048         props->handle = handle;
3049         props->offset = 0;
3050         props->maxlvl = 0xff;
3051
3052         offset = sony_find_snc_handle(handle);
3053
3054         /* try to read the boundaries from ACPI tables, if we fail the above
3055          * defaults should be reasonable
3056          */
3057         i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3058                         32);
3059         if (i < 0)
3060                 return;
3061
3062         switch (handle) {
3063         case 0x012f:
3064         case 0x0137:
3065                 lvl_table_len = 9;
3066                 break;
3067         case 0x143:
3068         case 0x14b:
3069         case 0x14c:
3070                 lvl_table_len = 16;
3071                 break;
3072         }
3073
3074         /* the buffer lists brightness levels available, brightness levels are
3075          * from position 0 to 8 in the array, other values are used by ALS
3076          * control.
3077          */
3078         for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3079
3080                 dprintk("Brightness level: %d\n", buffer[i]);
3081
3082                 if (!buffer[i])
3083                         break;
3084
3085                 if (buffer[i] > max)
3086                         max = buffer[i];
3087                 if (buffer[i] < min)
3088                         min = buffer[i];
3089         }
3090         props->offset = min;
3091         props->maxlvl = max;
3092         dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3093                         props->maxlvl);
3094 }
3095
3096 static void sony_nc_backlight_setup(void)
3097 {
3098         int max_brightness = 0;
3099         const struct backlight_ops *ops = NULL;
3100         struct backlight_properties props;
3101
3102         if (sony_find_snc_handle(0x12f) >= 0) {
3103                 ops = &sony_backlight_ng_ops;
3104                 sony_bl_props.cmd_base = 0x0100;
3105                 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3106                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3107
3108         } else if (sony_find_snc_handle(0x137) >= 0) {
3109                 ops = &sony_backlight_ng_ops;
3110                 sony_bl_props.cmd_base = 0x0100;
3111                 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3112                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3113
3114         } else if (sony_find_snc_handle(0x143) >= 0) {
3115                 ops = &sony_backlight_ng_ops;
3116                 sony_bl_props.cmd_base = 0x3000;
3117                 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3118                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3119
3120         } else if (sony_find_snc_handle(0x14b) >= 0) {
3121                 ops = &sony_backlight_ng_ops;
3122                 sony_bl_props.cmd_base = 0x3000;
3123                 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3124                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3125
3126         } else if (sony_find_snc_handle(0x14c) >= 0) {
3127                 ops = &sony_backlight_ng_ops;
3128                 sony_bl_props.cmd_base = 0x3000;
3129                 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3130                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3131
3132         } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3133                 ops = &sony_backlight_ops;
3134                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3135
3136         } else
3137                 return;
3138
3139         memset(&props, 0, sizeof(struct backlight_properties));
3140         props.type = BACKLIGHT_PLATFORM;
3141         props.max_brightness = max_brightness;
3142         sony_bl_props.dev = backlight_device_register("sony", NULL,
3143                                                       &sony_bl_props,
3144                                                       ops, &props);
3145
3146         if (IS_ERR(sony_bl_props.dev)) {
3147                 pr_warn("unable to register backlight device\n");
3148                 sony_bl_props.dev = NULL;
3149         } else
3150                 sony_bl_props.dev->props.brightness =
3151                         ops->get_brightness(sony_bl_props.dev);
3152 }
3153
3154 static void sony_nc_backlight_cleanup(void)
3155 {
3156         backlight_device_unregister(sony_bl_props.dev);
3157 }
3158
3159 static int sony_nc_add(struct acpi_device *device)
3160 {
3161         acpi_status status;
3162         int result = 0;
3163         struct sony_nc_value *item;
3164
3165         sony_nc_acpi_device = device;
3166         strcpy(acpi_device_class(device), "sony/hotkey");
3167
3168         sony_nc_acpi_handle = device->handle;
3169
3170         /* read device status */
3171         result = acpi_bus_get_status(device);
3172         /* bail IFF the above call was successful and the device is not present */
3173         if (!result && !device->status.present) {
3174                 dprintk("Device not present\n");
3175                 result = -ENODEV;
3176                 goto outwalk;
3177         }
3178
3179         result = sony_pf_add();
3180         if (result)
3181                 goto outpresent;
3182
3183         if (debug) {
3184                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3185                                 sony_nc_acpi_handle, 1, sony_walk_callback,
3186                                 NULL, NULL, NULL);
3187                 if (ACPI_FAILURE(status)) {
3188                         pr_warn("unable to walk acpi resources\n");
3189                         result = -ENODEV;
3190                         goto outpresent;
3191                 }
3192         }
3193
3194         result = sony_laptop_setup_input(device);
3195         if (result) {
3196                 pr_err("Unable to create input devices\n");
3197                 goto outplatform;
3198         }
3199
3200         if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3201                 int arg = 1;
3202                 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3203                         dprintk("ECON Method failed\n");
3204         }
3205
3206         if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3207                 dprintk("Doing SNC setup\n");
3208                 /* retrieve the available handles */
3209                 result = sony_nc_handles_setup(sony_pf_device);
3210                 if (!result)
3211                         sony_nc_function_setup(device, sony_pf_device);
3212         }
3213
3214         if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3215                 sony_nc_backlight_setup();
3216
3217         /* create sony_pf sysfs attributes related to the SNC device */
3218         for (item = sony_nc_values; item->name; ++item) {
3219
3220                 if (!debug && item->debug)
3221                         continue;
3222
3223                 /* find the available acpiget as described in the DSDT */
3224                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3225                         if (acpi_has_method(sony_nc_acpi_handle,
3226                                                         *item->acpiget)) {
3227                                 dprintk("Found %s getter: %s\n",
3228                                                 item->name, *item->acpiget);
3229                                 item->devattr.attr.mode |= S_IRUGO;
3230                                 break;
3231                         }
3232                 }
3233
3234                 /* find the available acpiset as described in the DSDT */
3235                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3236                         if (acpi_has_method(sony_nc_acpi_handle,
3237                                                         *item->acpiset)) {
3238                                 dprintk("Found %s setter: %s\n",
3239                                                 item->name, *item->acpiset);
3240                                 item->devattr.attr.mode |= S_IWUSR;
3241                                 break;
3242                         }
3243                 }
3244
3245                 if (item->devattr.attr.mode != 0) {
3246                         result =
3247                             device_create_file(&sony_pf_device->dev,
3248                                                &item->devattr);
3249                         if (result)
3250                                 goto out_sysfs;
3251                 }
3252         }
3253
3254         pr_info("SNC setup done.\n");
3255         return 0;
3256
3257 out_sysfs:
3258         for (item = sony_nc_values; item->name; ++item) {
3259                 device_remove_file(&sony_pf_device->dev, &item->devattr);
3260         }
3261         sony_nc_backlight_cleanup();
3262         sony_nc_function_cleanup(sony_pf_device);
3263         sony_nc_handles_cleanup(sony_pf_device);
3264
3265 outplatform:
3266         sony_laptop_remove_input();
3267
3268 outpresent:
3269         sony_pf_remove();
3270
3271 outwalk:
3272         sony_nc_rfkill_cleanup();
3273         return result;
3274 }
3275
3276 static int sony_nc_remove(struct acpi_device *device)
3277 {
3278         struct sony_nc_value *item;
3279
3280         sony_nc_backlight_cleanup();
3281
3282         sony_nc_acpi_device = NULL;
3283
3284         for (item = sony_nc_values; item->name; ++item) {
3285                 device_remove_file(&sony_pf_device->dev, &item->devattr);
3286         }
3287
3288         sony_nc_function_cleanup(sony_pf_device);
3289         sony_nc_handles_cleanup(sony_pf_device);
3290         sony_pf_remove();
3291         sony_laptop_remove_input();
3292         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3293
3294         return 0;
3295 }
3296
3297 static const struct acpi_device_id sony_device_ids[] = {
3298         {SONY_NC_HID, 0},
3299         {SONY_PIC_HID, 0},
3300         {"", 0},
3301 };
3302 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3303
3304 static const struct acpi_device_id sony_nc_device_ids[] = {
3305         {SONY_NC_HID, 0},
3306         {"", 0},
3307 };
3308
3309 static struct acpi_driver sony_nc_driver = {
3310         .name = SONY_NC_DRIVER_NAME,
3311         .class = SONY_NC_CLASS,
3312         .ids = sony_nc_device_ids,
3313         .owner = THIS_MODULE,
3314         .ops = {
3315                 .add = sony_nc_add,
3316                 .remove = sony_nc_remove,
3317                 .notify = sony_nc_notify,
3318                 },
3319         .drv.pm = &sony_nc_pm,
3320 };
3321
3322 /*********** SPIC (SNY6001) Device ***********/
3323
3324 #define SONYPI_DEVICE_TYPE1     0x00000001
3325 #define SONYPI_DEVICE_TYPE2     0x00000002
3326 #define SONYPI_DEVICE_TYPE3     0x00000004
3327
3328 #define SONYPI_TYPE1_OFFSET     0x04
3329 #define SONYPI_TYPE2_OFFSET     0x12
3330 #define SONYPI_TYPE3_OFFSET     0x12
3331
3332 struct sony_pic_ioport {
3333         struct acpi_resource_io io1;
3334         struct acpi_resource_io io2;
3335         struct list_head        list;
3336 };
3337
3338 struct sony_pic_irq {
3339         struct acpi_resource_irq        irq;
3340         struct list_head                list;
3341 };
3342
3343 struct sonypi_eventtypes {
3344         u8                      data;
3345         unsigned long           mask;
3346         struct sonypi_event     *events;
3347 };
3348
3349 struct sony_pic_dev {
3350         struct acpi_device              *acpi_dev;
3351         struct sony_pic_irq             *cur_irq;
3352         struct sony_pic_ioport          *cur_ioport;
3353         struct list_head                interrupts;
3354         struct list_head                ioports;
3355         struct mutex                    lock;
3356         struct sonypi_eventtypes        *event_types;
3357         int                             (*handle_irq)(const u8, const u8);
3358         int                             model;
3359         u16                             evport_offset;
3360         u8                              camera_power;
3361         u8                              bluetooth_power;
3362         u8                              wwan_power;
3363 };
3364
3365 static struct sony_pic_dev spic_dev = {
3366         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
3367         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
3368 };
3369
3370 static int spic_drv_registered;
3371
3372 /* Event masks */
3373 #define SONYPI_JOGGER_MASK                      0x00000001
3374 #define SONYPI_CAPTURE_MASK                     0x00000002
3375 #define SONYPI_FNKEY_MASK                       0x00000004
3376 #define SONYPI_BLUETOOTH_MASK                   0x00000008
3377 #define SONYPI_PKEY_MASK                        0x00000010
3378 #define SONYPI_BACK_MASK                        0x00000020
3379 #define SONYPI_HELP_MASK                        0x00000040
3380 #define SONYPI_LID_MASK                         0x00000080
3381 #define SONYPI_ZOOM_MASK                        0x00000100
3382 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
3383 #define SONYPI_MEYE_MASK                        0x00000400
3384 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
3385 #define SONYPI_BATTERY_MASK                     0x00001000
3386 #define SONYPI_WIRELESS_MASK                    0x00002000
3387
3388 struct sonypi_event {
3389         u8      data;
3390         u8      event;
3391 };
3392
3393 /* The set of possible button release events */
3394 static struct sonypi_event sonypi_releaseev[] = {
3395         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3396         { 0, 0 }
3397 };
3398
3399 /* The set of possible jogger events  */
3400 static struct sonypi_event sonypi_joggerev[] = {
3401         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3402         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3403         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3404         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3405         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3406         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3407         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3408         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3409         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3410         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3411         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3412         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3413         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3414         { 0, 0 }
3415 };
3416
3417 /* The set of possible capture button events */
3418 static struct sonypi_event sonypi_captureev[] = {
3419         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3420         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3421         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3422         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3423         { 0, 0 }
3424 };
3425
3426 /* The set of possible fnkeys events */
3427 static struct sonypi_event sonypi_fnkeyev[] = {
3428         { 0x10, SONYPI_EVENT_FNKEY_ESC },
3429         { 0x11, SONYPI_EVENT_FNKEY_F1 },
3430         { 0x12, SONYPI_EVENT_FNKEY_F2 },
3431         { 0x13, SONYPI_EVENT_FNKEY_F3 },
3432         { 0x14, SONYPI_EVENT_FNKEY_F4 },
3433         { 0x15, SONYPI_EVENT_FNKEY_F5 },
3434         { 0x16, SONYPI_EVENT_FNKEY_F6 },
3435         { 0x17, SONYPI_EVENT_FNKEY_F7 },
3436         { 0x18, SONYPI_EVENT_FNKEY_F8 },
3437         { 0x19, SONYPI_EVENT_FNKEY_F9 },
3438         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3439         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3440         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3441         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3442         { 0x21, SONYPI_EVENT_FNKEY_1 },
3443         { 0x22, SONYPI_EVENT_FNKEY_2 },
3444         { 0x31, SONYPI_EVENT_FNKEY_D },
3445         { 0x32, SONYPI_EVENT_FNKEY_E },
3446         { 0x33, SONYPI_EVENT_FNKEY_F },
3447         { 0x34, SONYPI_EVENT_FNKEY_S },
3448         { 0x35, SONYPI_EVENT_FNKEY_B },
3449         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3450         { 0, 0 }
3451 };
3452
3453 /* The set of possible program key events */
3454 static struct sonypi_event sonypi_pkeyev[] = {
3455         { 0x01, SONYPI_EVENT_PKEY_P1 },
3456         { 0x02, SONYPI_EVENT_PKEY_P2 },
3457         { 0x04, SONYPI_EVENT_PKEY_P3 },
3458         { 0x20, SONYPI_EVENT_PKEY_P1 },
3459         { 0, 0 }
3460 };
3461
3462 /* The set of possible bluetooth events */
3463 static struct sonypi_event sonypi_blueev[] = {
3464         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3465         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3466         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3467         { 0, 0 }
3468 };
3469
3470 /* The set of possible wireless events */
3471 static struct sonypi_event sonypi_wlessev[] = {
3472         { 0x59, SONYPI_EVENT_IGNORE },
3473         { 0x5a, SONYPI_EVENT_IGNORE },
3474         { 0, 0 }
3475 };
3476
3477 /* The set of possible back button events */
3478 static struct sonypi_event sonypi_backev[] = {
3479         { 0x20, SONYPI_EVENT_BACK_PRESSED },
3480         { 0, 0 }
3481 };
3482
3483 /* The set of possible help button events */
3484 static struct sonypi_event sonypi_helpev[] = {
3485         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3486         { 0, 0 }
3487 };
3488
3489
3490 /* The set of possible lid events */
3491 static struct sonypi_event sonypi_lidev[] = {
3492         { 0x51, SONYPI_EVENT_LID_CLOSED },
3493         { 0x50, SONYPI_EVENT_LID_OPENED },
3494         { 0, 0 }
3495 };
3496
3497 /* The set of possible zoom events */
3498 static struct sonypi_event sonypi_zoomev[] = {
3499         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3500         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3501         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3502         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3503         { 0, 0 }
3504 };
3505
3506 /* The set of possible thumbphrase events */
3507 static struct sonypi_event sonypi_thumbphraseev[] = {
3508         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3509         { 0, 0 }
3510 };
3511
3512 /* The set of possible motioneye camera events */
3513 static struct sonypi_event sonypi_meyeev[] = {
3514         { 0x00, SONYPI_EVENT_MEYE_FACE },
3515         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3516         { 0, 0 }
3517 };
3518
3519 /* The set of possible memorystick events */
3520 static struct sonypi_event sonypi_memorystickev[] = {
3521         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3522         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3523         { 0, 0 }
3524 };
3525
3526 /* The set of possible battery events */
3527 static struct sonypi_event sonypi_batteryev[] = {
3528         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3529         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3530         { 0, 0 }
3531 };
3532
3533 /* The set of possible volume events */
3534 static struct sonypi_event sonypi_volumeev[] = {
3535         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3536         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3537         { 0, 0 }
3538 };
3539
3540 /* The set of possible brightness events */
3541 static struct sonypi_event sonypi_brightnessev[] = {
3542         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3543         { 0, 0 }
3544 };
3545
3546 static struct sonypi_eventtypes type1_events[] = {
3547         { 0, 0xffffffff, sonypi_releaseev },
3548         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3549         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3550         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3551         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3552         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3553         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3554         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3555         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3556         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3557         { 0 },
3558 };
3559 static struct sonypi_eventtypes type2_events[] = {
3560         { 0, 0xffffffff, sonypi_releaseev },
3561         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3562         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3563         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3564         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3565         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3566         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3567         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3568         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3569         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3570         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3571         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3572         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3573         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3574         { 0 },
3575 };
3576 static struct sonypi_eventtypes type3_events[] = {
3577         { 0, 0xffffffff, sonypi_releaseev },
3578         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3579         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3580         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3581         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3582         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3583         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3584         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3585         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3586         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3587         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3588         { 0 },
3589 };
3590
3591 /* low level spic calls */
3592 #define ITERATIONS_LONG         10000
3593 #define ITERATIONS_SHORT        10
3594 #define wait_on_command(command, iterations) {                          \
3595         unsigned int n = iterations;                                    \
3596         while (--n && (command))                                        \
3597                 udelay(1);                                              \
3598         if (!n)                                                         \
3599                 dprintk("command failed at %s : %s (line %d)\n",        \
3600                                 __FILE__, __func__, __LINE__);  \
3601 }
3602
3603 static u8 sony_pic_call1(u8 dev)
3604 {
3605         u8 v1, v2;
3606
3607         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3608                         ITERATIONS_LONG);
3609         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3610         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3611         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3612         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3613         return v2;
3614 }
3615
3616 static u8 sony_pic_call2(u8 dev, u8 fn)
3617 {
3618         u8 v1;
3619
3620         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3621                         ITERATIONS_LONG);
3622         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3623         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3624                         ITERATIONS_LONG);
3625         outb(fn, spic_dev.cur_ioport->io1.minimum);
3626         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3627         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3628         return v1;
3629 }
3630
3631 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3632 {
3633         u8 v1;
3634
3635         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3636         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3637         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3638         outb(fn, spic_dev.cur_ioport->io1.minimum);
3639         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3640         outb(v, spic_dev.cur_ioport->io1.minimum);
3641         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3642         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3643                         dev, fn, v, v1);
3644         return v1;
3645 }
3646
3647 /*
3648  * minidrivers for SPIC models
3649  */
3650 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3651 {
3652         /*
3653          * 0x31 could mean we have to take some extra action and wait for
3654          * the next irq for some Type3 models, it will generate a new
3655          * irq and we can read new data from the device:
3656          *  - 0x5c and 0x5f requires 0xA0
3657          *  - 0x61 requires 0xB3
3658          */
3659         if (data_mask == 0x31) {
3660                 if (ev == 0x5c || ev == 0x5f)
3661                         sony_pic_call1(0xA0);
3662                 else if (ev == 0x61)
3663                         sony_pic_call1(0xB3);
3664                 return 0;
3665         }
3666         return 1;
3667 }
3668
3669 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3670 {
3671         struct pci_dev *pcidev;
3672
3673         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3674                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3675         if (pcidev) {
3676                 dev->model = SONYPI_DEVICE_TYPE1;
3677                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3678                 dev->event_types = type1_events;
3679                 goto out;
3680         }
3681
3682         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3683                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3684         if (pcidev) {
3685                 dev->model = SONYPI_DEVICE_TYPE2;
3686                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3687                 dev->event_types = type2_events;
3688                 goto out;
3689         }
3690
3691         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3692                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3693         if (pcidev) {
3694                 dev->model = SONYPI_DEVICE_TYPE3;
3695                 dev->handle_irq = type3_handle_irq;
3696                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3697                 dev->event_types = type3_events;
3698                 goto out;
3699         }
3700
3701         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3702                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3703         if (pcidev) {
3704                 dev->model = SONYPI_DEVICE_TYPE3;
3705                 dev->handle_irq = type3_handle_irq;
3706                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3707                 dev->event_types = type3_events;
3708                 goto out;
3709         }
3710
3711         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3712                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3713         if (pcidev) {
3714                 dev->model = SONYPI_DEVICE_TYPE3;
3715                 dev->handle_irq = type3_handle_irq;
3716                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3717                 dev->event_types = type3_events;
3718                 goto out;
3719         }
3720
3721         /* default */
3722         dev->model = SONYPI_DEVICE_TYPE2;
3723         dev->evport_offset = SONYPI_TYPE2_OFFSET;
3724         dev->event_types = type2_events;
3725
3726 out:
3727         pci_dev_put(pcidev);
3728
3729         pr_info("detected Type%d model\n",
3730                 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3731                 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3732 }
3733
3734 /* camera tests and poweron/poweroff */
3735 #define SONYPI_CAMERA_PICTURE           5
3736 #define SONYPI_CAMERA_CONTROL           0x10
3737
3738 #define SONYPI_CAMERA_BRIGHTNESS                0
3739 #define SONYPI_CAMERA_CONTRAST                  1
3740 #define SONYPI_CAMERA_HUE                       2
3741 #define SONYPI_CAMERA_COLOR                     3
3742 #define SONYPI_CAMERA_SHARPNESS                 4
3743
3744 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
3745 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
3746 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
3747 #define SONYPI_CAMERA_MUTE_MASK                 0x40
3748
3749 /* the rest don't need a loop until not 0xff */
3750 #define SONYPI_CAMERA_AGC                       6
3751 #define SONYPI_CAMERA_AGC_MASK                  0x30
3752 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
3753
3754 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
3755 #define SONYPI_CAMERA_CONTROL                   0x10
3756
3757 #define SONYPI_CAMERA_STATUS                    7
3758 #define SONYPI_CAMERA_STATUS_READY              0x2
3759 #define SONYPI_CAMERA_STATUS_POSITION           0x4
3760
3761 #define SONYPI_DIRECTION_BACKWARDS              0x4
3762
3763 #define SONYPI_CAMERA_REVISION                  8
3764 #define SONYPI_CAMERA_ROMVERSION                9
3765
3766 static int __sony_pic_camera_ready(void)
3767 {
3768         u8 v;
3769
3770         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3771         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3772 }
3773
3774 static int __sony_pic_camera_off(void)
3775 {
3776         if (!camera) {
3777                 pr_warn("camera control not enabled\n");
3778                 return -ENODEV;
3779         }
3780
3781         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3782                                 SONYPI_CAMERA_MUTE_MASK),
3783                         ITERATIONS_SHORT);
3784
3785         if (spic_dev.camera_power) {
3786                 sony_pic_call2(0x91, 0);
3787                 spic_dev.camera_power = 0;
3788         }
3789         return 0;
3790 }
3791
3792 static int __sony_pic_camera_on(void)
3793 {
3794         int i, j, x;
3795
3796         if (!camera) {
3797                 pr_warn("camera control not enabled\n");
3798                 return -ENODEV;
3799         }
3800
3801         if (spic_dev.camera_power)
3802                 return 0;
3803
3804         for (j = 5; j > 0; j--) {
3805
3806                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3807                         msleep(10);
3808                 sony_pic_call1(0x93);
3809
3810                 for (i = 400; i > 0; i--) {
3811                         if (__sony_pic_camera_ready())
3812                                 break;
3813                         msleep(10);
3814                 }
3815                 if (i)
3816                         break;
3817         }
3818
3819         if (j == 0) {
3820                 pr_warn("failed to power on camera\n");
3821                 return -ENODEV;
3822         }
3823
3824         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3825                                 0x5a),
3826                         ITERATIONS_SHORT);
3827
3828         spic_dev.camera_power = 1;
3829         return 0;
3830 }
3831
3832 /* External camera command (exported to the motion eye v4l driver) */
3833 int sony_pic_camera_command(int command, u8 value)
3834 {
3835         if (!camera)
3836                 return -EIO;
3837
3838         mutex_lock(&spic_dev.lock);
3839
3840         switch (command) {
3841         case SONY_PIC_COMMAND_SETCAMERA:
3842                 if (value)
3843                         __sony_pic_camera_on();
3844                 else
3845                         __sony_pic_camera_off();
3846                 break;
3847         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3848                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3849                                 ITERATIONS_SHORT);
3850                 break;
3851         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3852                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3853                                 ITERATIONS_SHORT);
3854                 break;
3855         case SONY_PIC_COMMAND_SETCAMERAHUE:
3856                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3857                                 ITERATIONS_SHORT);
3858                 break;
3859         case SONY_PIC_COMMAND_SETCAMERACOLOR:
3860                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3861                                 ITERATIONS_SHORT);
3862                 break;
3863         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3864                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3865                                 ITERATIONS_SHORT);
3866                 break;
3867         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3868                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3869                                 ITERATIONS_SHORT);
3870                 break;
3871         case SONY_PIC_COMMAND_SETCAMERAAGC:
3872                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3873                                 ITERATIONS_SHORT);
3874                 break;
3875         default:
3876                 pr_err("sony_pic_camera_command invalid: %d\n", command);
3877                 break;
3878         }
3879         mutex_unlock(&spic_dev.lock);
3880         return 0;
3881 }
3882 EXPORT_SYMBOL(sony_pic_camera_command);
3883
3884 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3885 static void __sony_pic_set_wwanpower(u8 state)
3886 {
3887         state = !!state;
3888         if (spic_dev.wwan_power == state)
3889                 return;
3890         sony_pic_call2(0xB0, state);
3891         sony_pic_call1(0x82);
3892         spic_dev.wwan_power = state;
3893 }
3894
3895 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3896                 struct device_attribute *attr,
3897                 const char *buffer, size_t count)
3898 {
3899         unsigned long value;
3900         if (count > 31)
3901                 return -EINVAL;
3902
3903         if (kstrtoul(buffer, 10, &value))
3904                 return -EINVAL;
3905
3906         mutex_lock(&spic_dev.lock);
3907         __sony_pic_set_wwanpower(value);
3908         mutex_unlock(&spic_dev.lock);
3909
3910         return count;
3911 }
3912
3913 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3914                 struct device_attribute *attr, char *buffer)
3915 {
3916         ssize_t count;
3917         mutex_lock(&spic_dev.lock);
3918         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3919         mutex_unlock(&spic_dev.lock);
3920         return count;
3921 }
3922
3923 /* bluetooth subsystem power state */
3924 static void __sony_pic_set_bluetoothpower(u8 state)
3925 {
3926         state = !!state;
3927         if (spic_dev.bluetooth_power == state)
3928                 return;
3929         sony_pic_call2(0x96, state);
3930         sony_pic_call1(0x82);
3931         spic_dev.bluetooth_power = state;
3932 }
3933
3934 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3935                 struct device_attribute *attr,
3936                 const char *buffer, size_t count)
3937 {
3938         unsigned long value;
3939         if (count > 31)
3940                 return -EINVAL;
3941
3942         if (kstrtoul(buffer, 10, &value))
3943                 return -EINVAL;
3944
3945         mutex_lock(&spic_dev.lock);
3946         __sony_pic_set_bluetoothpower(value);
3947         mutex_unlock(&spic_dev.lock);
3948
3949         return count;
3950 }
3951
3952 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3953                 struct device_attribute *attr, char *buffer)
3954 {
3955         ssize_t count = 0;
3956         mutex_lock(&spic_dev.lock);
3957         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3958         mutex_unlock(&spic_dev.lock);
3959         return count;
3960 }
3961
3962 /* fan speed */
3963 /* FAN0 information (reverse engineered from ACPI tables) */
3964 #define SONY_PIC_FAN0_STATUS    0x93
3965 static int sony_pic_set_fanspeed(unsigned long value)
3966 {
3967         return ec_write(SONY_PIC_FAN0_STATUS, value);
3968 }
3969
3970 static int sony_pic_get_fanspeed(u8 *value)
3971 {
3972         return ec_read(SONY_PIC_FAN0_STATUS, value);
3973 }
3974
3975 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3976                 struct device_attribute *attr,
3977                 const char *buffer, size_t count)
3978 {
3979         unsigned long value;
3980         if (count > 31)
3981                 return -EINVAL;
3982
3983         if (kstrtoul(buffer, 10, &value))
3984                 return -EINVAL;
3985
3986         if (sony_pic_set_fanspeed(value))
3987                 return -EIO;
3988
3989         return count;
3990 }
3991
3992 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3993                 struct device_attribute *attr, char *buffer)
3994 {
3995         u8 value = 0;
3996         if (sony_pic_get_fanspeed(&value))
3997                 return -EIO;
3998
3999         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4000 }
4001
4002 #define SPIC_ATTR(_name, _mode)                                 \
4003 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
4004                 _mode, sony_pic_## _name ##_show,               \
4005                 sony_pic_## _name ##_store)
4006
4007 static SPIC_ATTR(bluetoothpower, 0644);
4008 static SPIC_ATTR(wwanpower, 0644);
4009 static SPIC_ATTR(fanspeed, 0644);
4010
4011 static struct attribute *spic_attributes[] = {
4012         &spic_attr_bluetoothpower.attr,
4013         &spic_attr_wwanpower.attr,
4014         &spic_attr_fanspeed.attr,
4015         NULL
4016 };
4017
4018 static const struct attribute_group spic_attribute_group = {
4019         .attrs = spic_attributes
4020 };
4021
4022 /******** SONYPI compatibility **********/
4023 #ifdef CONFIG_SONYPI_COMPAT
4024
4025 /* battery / brightness / temperature  addresses */
4026 #define SONYPI_BAT_FLAGS        0x81
4027 #define SONYPI_LCD_LIGHT        0x96
4028 #define SONYPI_BAT1_PCTRM       0xa0
4029 #define SONYPI_BAT1_LEFT        0xa2
4030 #define SONYPI_BAT1_MAXRT       0xa4
4031 #define SONYPI_BAT2_PCTRM       0xa8
4032 #define SONYPI_BAT2_LEFT        0xaa
4033 #define SONYPI_BAT2_MAXRT       0xac
4034 #define SONYPI_BAT1_MAXTK       0xb0
4035 #define SONYPI_BAT1_FULL        0xb2
4036 #define SONYPI_BAT2_MAXTK       0xb8
4037 #define SONYPI_BAT2_FULL        0xba
4038 #define SONYPI_TEMP_STATUS      0xC1
4039
4040 struct sonypi_compat_s {
4041         struct fasync_struct    *fifo_async;
4042         struct kfifo            fifo;
4043         spinlock_t              fifo_lock;
4044         wait_queue_head_t       fifo_proc_list;
4045         atomic_t                open_count;
4046 };
4047 static struct sonypi_compat_s sonypi_compat = {
4048         .open_count = ATOMIC_INIT(0),
4049 };
4050
4051 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4052 {
4053         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4054 }
4055
4056 static int sonypi_misc_release(struct inode *inode, struct file *file)
4057 {
4058         atomic_dec(&sonypi_compat.open_count);
4059         return 0;
4060 }
4061
4062 static int sonypi_misc_open(struct inode *inode, struct file *file)
4063 {
4064         /* Flush input queue on first open */
4065         unsigned long flags;
4066
4067         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4068
4069         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4070                 kfifo_reset(&sonypi_compat.fifo);
4071
4072         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4073
4074         return 0;
4075 }
4076
4077 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4078                                 size_t count, loff_t *pos)
4079 {
4080         ssize_t ret;
4081         unsigned char c;
4082
4083         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4084             (file->f_flags & O_NONBLOCK))
4085                 return -EAGAIN;
4086
4087         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4088                                        kfifo_len(&sonypi_compat.fifo) != 0);
4089         if (ret)
4090                 return ret;
4091
4092         while (ret < count &&
4093                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4094                           &sonypi_compat.fifo_lock) == sizeof(c))) {
4095                 if (put_user(c, buf++))
4096                         return -EFAULT;
4097                 ret++;
4098         }
4099
4100         if (ret > 0) {
4101                 struct inode *inode = file_inode(file);
4102                 inode->i_atime = current_time(inode);
4103         }
4104
4105         return ret;
4106 }
4107
4108 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
4109 {
4110         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4111         if (kfifo_len(&sonypi_compat.fifo))
4112                 return EPOLLIN | EPOLLRDNORM;
4113         return 0;
4114 }
4115
4116 static int ec_read16(u8 addr, u16 *value)
4117 {
4118         u8 val_lb, val_hb;
4119         if (ec_read(addr, &val_lb))
4120                 return -1;
4121         if (ec_read(addr + 1, &val_hb))
4122                 return -1;
4123         *value = val_lb | (val_hb << 8);
4124         return 0;
4125 }
4126
4127 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4128                                                         unsigned long arg)
4129 {
4130         int ret = 0;
4131         void __user *argp = (void __user *)arg;
4132         u8 val8;
4133         u16 val16;
4134         int value;
4135
4136         mutex_lock(&spic_dev.lock);
4137         switch (cmd) {
4138         case SONYPI_IOCGBRT:
4139                 if (sony_bl_props.dev == NULL) {
4140                         ret = -EIO;
4141                         break;
4142                 }
4143                 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4144                                         &value)) {
4145                         ret = -EIO;
4146                         break;
4147                 }
4148                 val8 = ((value & 0xff) - 1) << 5;
4149                 if (copy_to_user(argp, &val8, sizeof(val8)))
4150                                 ret = -EFAULT;
4151                 break;
4152         case SONYPI_IOCSBRT:
4153                 if (sony_bl_props.dev == NULL) {
4154                         ret = -EIO;
4155                         break;
4156                 }
4157                 if (copy_from_user(&val8, argp, sizeof(val8))) {
4158                         ret = -EFAULT;
4159                         break;
4160                 }
4161                 value = (val8 >> 5) + 1;
4162                 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4163                                         NULL)) {
4164                         ret = -EIO;
4165                         break;
4166                 }
4167                 /* sync the backlight device status */
4168                 sony_bl_props.dev->props.brightness =
4169                     sony_backlight_get_brightness(sony_bl_props.dev);
4170                 break;
4171         case SONYPI_IOCGBAT1CAP:
4172                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4173                         ret = -EIO;
4174                         break;
4175                 }
4176                 if (copy_to_user(argp, &val16, sizeof(val16)))
4177                         ret = -EFAULT;
4178                 break;
4179         case SONYPI_IOCGBAT1REM:
4180                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4181                         ret = -EIO;
4182                         break;
4183                 }
4184                 if (copy_to_user(argp, &val16, sizeof(val16)))
4185                         ret = -EFAULT;
4186                 break;
4187         case SONYPI_IOCGBAT2CAP:
4188                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4189                         ret = -EIO;
4190                         break;
4191                 }
4192                 if (copy_to_user(argp, &val16, sizeof(val16)))
4193                         ret = -EFAULT;
4194                 break;
4195         case SONYPI_IOCGBAT2REM:
4196                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4197                         ret = -EIO;
4198                         break;
4199                 }
4200                 if (copy_to_user(argp, &val16, sizeof(val16)))
4201                         ret = -EFAULT;
4202                 break;
4203         case SONYPI_IOCGBATFLAGS:
4204                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4205                         ret = -EIO;
4206                         break;
4207                 }
4208                 val8 &= 0x07;
4209                 if (copy_to_user(argp, &val8, sizeof(val8)))
4210                         ret = -EFAULT;
4211                 break;
4212         case SONYPI_IOCGBLUE:
4213                 val8 = spic_dev.bluetooth_power;
4214                 if (copy_to_user(argp, &val8, sizeof(val8)))
4215                         ret = -EFAULT;
4216                 break;
4217         case SONYPI_IOCSBLUE:
4218                 if (copy_from_user(&val8, argp, sizeof(val8))) {
4219                         ret = -EFAULT;
4220                         break;
4221                 }
4222                 __sony_pic_set_bluetoothpower(val8);
4223                 break;
4224         /* FAN Controls */
4225         case SONYPI_IOCGFAN:
4226                 if (sony_pic_get_fanspeed(&val8)) {
4227                         ret = -EIO;
4228                         break;
4229                 }
4230                 if (copy_to_user(argp, &val8, sizeof(val8)))
4231                         ret = -EFAULT;
4232                 break;
4233         case SONYPI_IOCSFAN:
4234                 if (copy_from_user(&val8, argp, sizeof(val8))) {
4235                         ret = -EFAULT;
4236                         break;
4237                 }
4238                 if (sony_pic_set_fanspeed(val8))
4239                         ret = -EIO;
4240                 break;
4241         /* GET Temperature (useful under APM) */
4242         case SONYPI_IOCGTEMP:
4243                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4244                         ret = -EIO;
4245                         break;
4246                 }
4247                 if (copy_to_user(argp, &val8, sizeof(val8)))
4248                         ret = -EFAULT;
4249                 break;
4250         default:
4251                 ret = -EINVAL;
4252         }
4253         mutex_unlock(&spic_dev.lock);
4254         return ret;
4255 }
4256
4257 static const struct file_operations sonypi_misc_fops = {
4258         .owner          = THIS_MODULE,
4259         .read           = sonypi_misc_read,
4260         .poll           = sonypi_misc_poll,
4261         .open           = sonypi_misc_open,
4262         .release        = sonypi_misc_release,
4263         .fasync         = sonypi_misc_fasync,
4264         .unlocked_ioctl = sonypi_misc_ioctl,
4265         .llseek         = noop_llseek,
4266 };
4267
4268 static struct miscdevice sonypi_misc_device = {
4269         .minor          = MISC_DYNAMIC_MINOR,
4270         .name           = "sonypi",
4271         .fops           = &sonypi_misc_fops,
4272 };
4273
4274 static void sonypi_compat_report_event(u8 event)
4275 {
4276         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4277                         sizeof(event), &sonypi_compat.fifo_lock);
4278         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4279         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4280 }
4281
4282 static int sonypi_compat_init(void)
4283 {
4284         int error;
4285
4286         spin_lock_init(&sonypi_compat.fifo_lock);
4287         error =
4288          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4289         if (error) {
4290                 pr_err("kfifo_alloc failed\n");
4291                 return error;
4292         }
4293
4294         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4295
4296         if (minor != -1)
4297                 sonypi_misc_device.minor = minor;
4298         error = misc_register(&sonypi_misc_device);
4299         if (error) {
4300                 pr_err("misc_register failed\n");
4301                 goto err_free_kfifo;
4302         }
4303         if (minor == -1)
4304                 pr_info("device allocated minor is %d\n",
4305                         sonypi_misc_device.minor);
4306
4307         return 0;
4308
4309 err_free_kfifo:
4310         kfifo_free(&sonypi_compat.fifo);
4311         return error;
4312 }
4313
4314 static void sonypi_compat_exit(void)
4315 {
4316         misc_deregister(&sonypi_misc_device);
4317         kfifo_free(&sonypi_compat.fifo);
4318 }
4319 #else
4320 static int sonypi_compat_init(void) { return 0; }
4321 static void sonypi_compat_exit(void) { }
4322 static void sonypi_compat_report_event(u8 event) { }
4323 #endif /* CONFIG_SONYPI_COMPAT */
4324
4325 /*
4326  * ACPI callbacks
4327  */
4328 static acpi_status
4329 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4330 {
4331         u32 i;
4332         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4333
4334         switch (resource->type) {
4335         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4336                 {
4337                         /* start IO enumeration */
4338                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4339                         if (!ioport)
4340                                 return AE_ERROR;
4341
4342                         list_add(&ioport->list, &dev->ioports);
4343                         return AE_OK;
4344                 }
4345
4346         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4347                 /* end IO enumeration */
4348                 return AE_OK;
4349
4350         case ACPI_RESOURCE_TYPE_IRQ:
4351                 {
4352                         struct acpi_resource_irq *p = &resource->data.irq;
4353                         struct sony_pic_irq *interrupt = NULL;
4354                         if (!p || !p->interrupt_count) {
4355                                 /*
4356                                  * IRQ descriptors may have no IRQ# bits set,
4357                                  * particularly those those w/ _STA disabled
4358                                  */
4359                                 dprintk("Blank IRQ resource\n");
4360                                 return AE_OK;
4361                         }
4362                         for (i = 0; i < p->interrupt_count; i++) {
4363                                 if (!p->interrupts[i]) {
4364                                         pr_warn("Invalid IRQ %d\n",
4365                                                 p->interrupts[i]);
4366                                         continue;
4367                                 }
4368                                 interrupt = kzalloc(sizeof(*interrupt),
4369                                                 GFP_KERNEL);
4370                                 if (!interrupt)
4371                                         return AE_ERROR;
4372
4373                                 list_add(&interrupt->list, &dev->interrupts);
4374                                 interrupt->irq.triggering = p->triggering;
4375                                 interrupt->irq.polarity = p->polarity;
4376                                 interrupt->irq.shareable = p->shareable;
4377                                 interrupt->irq.interrupt_count = 1;
4378                                 interrupt->irq.interrupts[0] = p->interrupts[i];
4379                         }
4380                         return AE_OK;
4381                 }
4382         case ACPI_RESOURCE_TYPE_IO:
4383                 {
4384                         struct acpi_resource_io *io = &resource->data.io;
4385                         struct sony_pic_ioport *ioport =
4386                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4387                         if (!io) {
4388                                 dprintk("Blank IO resource\n");
4389                                 return AE_OK;
4390                         }
4391
4392                         if (!ioport->io1.minimum) {
4393                                 memcpy(&ioport->io1, io, sizeof(*io));
4394                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4395                                                 ioport->io1.address_length);
4396                         }
4397                         else if (!ioport->io2.minimum) {
4398                                 memcpy(&ioport->io2, io, sizeof(*io));
4399                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4400                                                 ioport->io2.address_length);
4401                         }
4402                         else {
4403                                 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4404                                 return AE_ERROR;
4405                         }
4406                         return AE_OK;
4407                 }
4408
4409         case ACPI_RESOURCE_TYPE_END_TAG:
4410                 return AE_OK;
4411
4412         default:
4413                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4414                         resource->type);
4415                 return AE_CTRL_TERMINATE;
4416
4417         }
4418 }
4419
4420 static int sony_pic_possible_resources(struct acpi_device *device)
4421 {
4422         int result = 0;
4423         acpi_status status = AE_OK;
4424
4425         if (!device)
4426                 return -EINVAL;
4427
4428         /* get device status */
4429         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4430         dprintk("Evaluating _STA\n");
4431         result = acpi_bus_get_status(device);
4432         if (result) {
4433                 pr_warn("Unable to read status\n");
4434                 goto end;
4435         }
4436
4437         if (!device->status.enabled)
4438                 dprintk("Device disabled\n");
4439         else
4440                 dprintk("Device enabled\n");
4441
4442         /*
4443          * Query and parse 'method'
4444          */
4445         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4446         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4447                         sony_pic_read_possible_resource, &spic_dev);
4448         if (ACPI_FAILURE(status)) {
4449                 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4450                 result = -ENODEV;
4451         }
4452 end:
4453         return result;
4454 }
4455
4456 /*
4457  *  Disable the spic device by calling its _DIS method
4458  */
4459 static int sony_pic_disable(struct acpi_device *device)
4460 {
4461         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4462                                                NULL);
4463
4464         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4465                 return -ENXIO;
4466
4467         dprintk("Device disabled\n");
4468         return 0;
4469 }
4470
4471
4472 /*
4473  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4474  *
4475  *  Call _SRS to set current resources
4476  */
4477 static int sony_pic_enable(struct acpi_device *device,
4478                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4479 {
4480         acpi_status status;
4481         int result = 0;
4482         /* Type 1 resource layout is:
4483          *    IO
4484          *    IO
4485          *    IRQNoFlags
4486          *    End
4487          *
4488          * Type 2 and 3 resource layout is:
4489          *    IO
4490          *    IRQNoFlags
4491          *    End
4492          */
4493         struct {
4494                 struct acpi_resource res1;
4495                 struct acpi_resource res2;
4496                 struct acpi_resource res3;
4497                 struct acpi_resource res4;
4498         } *resource;
4499         struct acpi_buffer buffer = { 0, NULL };
4500
4501         if (!ioport || !irq)
4502                 return -EINVAL;
4503
4504         /* init acpi_buffer */
4505         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4506         if (!resource)
4507                 return -ENOMEM;
4508
4509         buffer.length = sizeof(*resource) + 1;
4510         buffer.pointer = resource;
4511
4512         /* setup Type 1 resources */
4513         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4514
4515                 /* setup io resources */
4516                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4517                 resource->res1.length = sizeof(struct acpi_resource);
4518                 memcpy(&resource->res1.data.io, &ioport->io1,
4519                                 sizeof(struct acpi_resource_io));
4520
4521                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4522                 resource->res2.length = sizeof(struct acpi_resource);
4523                 memcpy(&resource->res2.data.io, &ioport->io2,
4524                                 sizeof(struct acpi_resource_io));
4525
4526                 /* setup irq resource */
4527                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4528                 resource->res3.length = sizeof(struct acpi_resource);
4529                 memcpy(&resource->res3.data.irq, &irq->irq,
4530                                 sizeof(struct acpi_resource_irq));
4531                 /* we requested a shared irq */
4532                 resource->res3.data.irq.shareable = ACPI_SHARED;
4533
4534                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4535                 resource->res4.length = sizeof(struct acpi_resource);
4536         }
4537         /* setup Type 2/3 resources */
4538         else {
4539                 /* setup io resource */
4540                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4541                 resource->res1.length = sizeof(struct acpi_resource);
4542                 memcpy(&resource->res1.data.io, &ioport->io1,
4543                                 sizeof(struct acpi_resource_io));
4544
4545                 /* setup irq resource */
4546                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4547                 resource->res2.length = sizeof(struct acpi_resource);
4548                 memcpy(&resource->res2.data.irq, &irq->irq,
4549                                 sizeof(struct acpi_resource_irq));
4550                 /* we requested a shared irq */
4551                 resource->res2.data.irq.shareable = ACPI_SHARED;
4552
4553                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4554                 resource->res3.length = sizeof(struct acpi_resource);
4555         }
4556
4557         /* Attempt to set the resource */
4558         dprintk("Evaluating _SRS\n");
4559         status = acpi_set_current_resources(device->handle, &buffer);
4560
4561         /* check for total failure */
4562         if (ACPI_FAILURE(status)) {
4563                 pr_err("Error evaluating _SRS\n");
4564                 result = -ENODEV;
4565                 goto end;
4566         }
4567
4568         /* Necessary device initializations calls (from sonypi) */
4569         sony_pic_call1(0x82);
4570         sony_pic_call2(0x81, 0xff);
4571         sony_pic_call1(compat ? 0x92 : 0x82);
4572
4573 end:
4574         kfree(resource);
4575         return result;
4576 }
4577
4578 /*****************
4579  *
4580  * ISR: some event is available
4581  *
4582  *****************/
4583 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4584 {
4585         int i, j;
4586         u8 ev = 0;
4587         u8 data_mask = 0;
4588         u8 device_event = 0;
4589
4590         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4591
4592         ev = inb_p(dev->cur_ioport->io1.minimum);
4593         if (dev->cur_ioport->io2.minimum)
4594                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4595         else
4596                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4597                                 dev->evport_offset);
4598
4599         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4600                         ev, data_mask, dev->cur_ioport->io1.minimum,
4601                         dev->evport_offset);
4602
4603         if (ev == 0x00 || ev == 0xff)
4604                 return IRQ_HANDLED;
4605
4606         for (i = 0; dev->event_types[i].mask; i++) {
4607
4608                 if ((data_mask & dev->event_types[i].data) !=
4609                     dev->event_types[i].data)
4610                         continue;
4611
4612                 if (!(mask & dev->event_types[i].mask))
4613                         continue;
4614
4615                 for (j = 0; dev->event_types[i].events[j].event; j++) {
4616                         if (ev == dev->event_types[i].events[j].data) {
4617                                 device_event =
4618                                         dev->event_types[i].events[j].event;
4619                                 /* some events may require ignoring */
4620                                 if (!device_event)
4621                                         return IRQ_HANDLED;
4622                                 goto found;
4623                         }
4624                 }
4625         }
4626         /* Still not able to decode the event try to pass
4627          * it over to the minidriver
4628          */
4629         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4630                 return IRQ_HANDLED;
4631
4632         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4633                         ev, data_mask, dev->cur_ioport->io1.minimum,
4634                         dev->evport_offset);
4635         return IRQ_HANDLED;
4636
4637 found:
4638         sony_laptop_report_input_event(device_event);
4639         sonypi_compat_report_event(device_event);
4640         return IRQ_HANDLED;
4641 }
4642
4643 /*****************
4644  *
4645  *  ACPI driver
4646  *
4647  *****************/
4648 static int sony_pic_remove(struct acpi_device *device)
4649 {
4650         struct sony_pic_ioport *io, *tmp_io;
4651         struct sony_pic_irq *irq, *tmp_irq;
4652
4653         if (sony_pic_disable(device)) {
4654                 pr_err("Couldn't disable device\n");
4655                 return -ENXIO;
4656         }
4657
4658         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4659         release_region(spic_dev.cur_ioport->io1.minimum,
4660                         spic_dev.cur_ioport->io1.address_length);
4661         if (spic_dev.cur_ioport->io2.minimum)
4662                 release_region(spic_dev.cur_ioport->io2.minimum,
4663                                 spic_dev.cur_ioport->io2.address_length);
4664
4665         sonypi_compat_exit();
4666
4667         sony_laptop_remove_input();
4668
4669         /* pf attrs */
4670         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4671         sony_pf_remove();
4672
4673         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4674                 list_del(&io->list);
4675                 kfree(io);
4676         }
4677         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4678                 list_del(&irq->list);
4679                 kfree(irq);
4680         }
4681         spic_dev.cur_ioport = NULL;
4682         spic_dev.cur_irq = NULL;
4683
4684         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4685         return 0;
4686 }
4687
4688 static int sony_pic_add(struct acpi_device *device)
4689 {
4690         int result;
4691         struct sony_pic_ioport *io, *tmp_io;
4692         struct sony_pic_irq *irq, *tmp_irq;
4693
4694         spic_dev.acpi_dev = device;
4695         strcpy(acpi_device_class(device), "sony/hotkey");
4696         sony_pic_detect_device_type(&spic_dev);
4697         mutex_init(&spic_dev.lock);
4698
4699         /* read _PRS resources */
4700         result = sony_pic_possible_resources(device);
4701         if (result) {
4702                 pr_err("Unable to read possible resources\n");
4703                 goto err_free_resources;
4704         }
4705
4706         /* setup input devices and helper fifo */
4707         result = sony_laptop_setup_input(device);
4708         if (result) {
4709                 pr_err("Unable to create input devices\n");
4710                 goto err_free_resources;
4711         }
4712
4713         result = sonypi_compat_init();
4714         if (result)
4715                 goto err_remove_input;
4716
4717         /* request io port */
4718         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4719                 if (request_region(io->io1.minimum, io->io1.address_length,
4720                                         "Sony Programmable I/O Device")) {
4721                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4722                                         io->io1.minimum, io->io1.maximum,
4723                                         io->io1.address_length);
4724                         /* Type 1 have 2 ioports */
4725                         if (io->io2.minimum) {
4726                                 if (request_region(io->io2.minimum,
4727                                                 io->io2.address_length,
4728                                                 "Sony Programmable I/O Device")) {
4729                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4730                                                         io->io2.minimum, io->io2.maximum,
4731                                                         io->io2.address_length);
4732                                         spic_dev.cur_ioport = io;
4733                                         break;
4734                                 }
4735                                 else {
4736                                         dprintk("Unable to get I/O port2: "
4737                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
4738                                                         io->io2.minimum, io->io2.maximum,
4739                                                         io->io2.address_length);
4740                                         release_region(io->io1.minimum,
4741                                                         io->io1.address_length);
4742                                 }
4743                         }
4744                         else {
4745                                 spic_dev.cur_ioport = io;
4746                                 break;
4747                         }
4748                 }
4749         }
4750         if (!spic_dev.cur_ioport) {
4751                 pr_err("Failed to request_region\n");
4752                 result = -ENODEV;
4753                 goto err_remove_compat;
4754         }
4755
4756         /* request IRQ */
4757         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4758                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4759                                         0, "sony-laptop", &spic_dev)) {
4760                         dprintk("IRQ: %d - triggering: %d - "
4761                                         "polarity: %d - shr: %d\n",
4762                                         irq->irq.interrupts[0],
4763                                         irq->irq.triggering,
4764                                         irq->irq.polarity,
4765                                         irq->irq.shareable);
4766                         spic_dev.cur_irq = irq;
4767                         break;
4768                 }
4769         }
4770         if (!spic_dev.cur_irq) {
4771                 pr_err("Failed to request_irq\n");
4772                 result = -ENODEV;
4773                 goto err_release_region;
4774         }
4775
4776         /* set resource status _SRS */
4777         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4778         if (result) {
4779                 pr_err("Couldn't enable device\n");
4780                 goto err_free_irq;
4781         }
4782
4783         spic_dev.bluetooth_power = -1;
4784         /* create device attributes */
4785         result = sony_pf_add();
4786         if (result)
4787                 goto err_disable_device;
4788
4789         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4790         if (result)
4791                 goto err_remove_pf;
4792
4793         pr_info("SPIC setup done.\n");
4794         return 0;
4795
4796 err_remove_pf:
4797         sony_pf_remove();
4798
4799 err_disable_device:
4800         sony_pic_disable(device);
4801
4802 err_free_irq:
4803         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4804
4805 err_release_region:
4806         release_region(spic_dev.cur_ioport->io1.minimum,
4807                         spic_dev.cur_ioport->io1.address_length);
4808         if (spic_dev.cur_ioport->io2.minimum)
4809                 release_region(spic_dev.cur_ioport->io2.minimum,
4810                                 spic_dev.cur_ioport->io2.address_length);
4811
4812 err_remove_compat:
4813         sonypi_compat_exit();
4814
4815 err_remove_input:
4816         sony_laptop_remove_input();
4817
4818 err_free_resources:
4819         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4820                 list_del(&io->list);
4821                 kfree(io);
4822         }
4823         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4824                 list_del(&irq->list);
4825                 kfree(irq);
4826         }
4827         spic_dev.cur_ioport = NULL;
4828         spic_dev.cur_irq = NULL;
4829
4830         return result;
4831 }
4832
4833 #ifdef CONFIG_PM_SLEEP
4834 static int sony_pic_suspend(struct device *dev)
4835 {
4836         if (sony_pic_disable(to_acpi_device(dev)))
4837                 return -ENXIO;
4838         return 0;
4839 }
4840
4841 static int sony_pic_resume(struct device *dev)
4842 {
4843         sony_pic_enable(to_acpi_device(dev),
4844                         spic_dev.cur_ioport, spic_dev.cur_irq);
4845         return 0;
4846 }
4847 #endif
4848
4849 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4850
4851 static const struct acpi_device_id sony_pic_device_ids[] = {
4852         {SONY_PIC_HID, 0},
4853         {"", 0},
4854 };
4855
4856 static struct acpi_driver sony_pic_driver = {
4857         .name = SONY_PIC_DRIVER_NAME,
4858         .class = SONY_PIC_CLASS,
4859         .ids = sony_pic_device_ids,
4860         .owner = THIS_MODULE,
4861         .ops = {
4862                 .add = sony_pic_add,
4863                 .remove = sony_pic_remove,
4864                 },
4865         .drv.pm = &sony_pic_pm,
4866 };
4867
4868 static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
4869         {
4870                 .ident = "Sony Vaio",
4871                 .matches = {
4872                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4873                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4874                 },
4875         },
4876         {
4877                 .ident = "Sony Vaio",
4878                 .matches = {
4879                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4880                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4881                 },
4882         },
4883         { }
4884 };
4885
4886 static int __init sony_laptop_init(void)
4887 {
4888         int result;
4889
4890         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4891                 result = acpi_bus_register_driver(&sony_pic_driver);
4892                 if (result) {
4893                         pr_err("Unable to register SPIC driver\n");
4894                         goto out;
4895                 }
4896                 spic_drv_registered = 1;
4897         }
4898
4899         result = acpi_bus_register_driver(&sony_nc_driver);
4900         if (result) {
4901                 pr_err("Unable to register SNC driver\n");
4902                 goto out_unregister_pic;
4903         }
4904
4905         return 0;
4906
4907 out_unregister_pic:
4908         if (spic_drv_registered)
4909                 acpi_bus_unregister_driver(&sony_pic_driver);
4910 out:
4911         return result;
4912 }
4913
4914 static void __exit sony_laptop_exit(void)
4915 {
4916         acpi_bus_unregister_driver(&sony_nc_driver);
4917         if (spic_drv_registered)
4918                 acpi_bus_unregister_driver(&sony_pic_driver);
4919 }
4920
4921 module_init(sony_laptop_init);
4922 module_exit(sony_laptop_exit);