1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Sony Programmable I/O Control Device driver for VAIO
   4 *
   5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
   6 *
   7 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   8 *
   9 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  10 *
  11 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
  12 *
  13 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  14 *
  15 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  16 *
  17 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  18 *
  19 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  20 *
  21 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  22 */
  23
  24#include <linux/module.h>
  25#include <linux/sched.h>
  26#include <linux/input.h>
  27#include <linux/pci.h>
  28#include <linux/init.h>
  29#include <linux/interrupt.h>
  30#include <linux/miscdevice.h>
  31#include <linux/poll.h>
  32#include <linux/delay.h>
  33#include <linux/wait.h>
  34#include <linux/acpi.h>
  35#include <linux/dmi.h>
  36#include <linux/err.h>
  37#include <linux/kfifo.h>
  38#include <linux/platform_device.h>
  39#include <linux/gfp.h>
  40
  41#include <linux/uaccess.h>
  42#include <asm/io.h>
  43
  44#include <linux/sonypi.h>
  45
  46#define SONYPI_DRIVER_VERSION	 "1.26"
  47
  48MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  49MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  50MODULE_LICENSE("GPL");
  51MODULE_VERSION(SONYPI_DRIVER_VERSION);
  52
  53static int minor = -1;
  54module_param(minor, int, 0);
  55MODULE_PARM_DESC(minor,
  56		 "minor number of the misc device, default is -1 (automatic)");
  57
  58static int verbose;		/* = 0 */
  59module_param(verbose, int, 0644);
  60MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  61
  62static int fnkeyinit;		/* = 0 */
  63module_param(fnkeyinit, int, 0444);
  64MODULE_PARM_DESC(fnkeyinit,
  65		 "set this if your Fn keys do not generate any event");
  66
  67static int camera;		/* = 0 */
  68module_param(camera, int, 0444);
  69MODULE_PARM_DESC(camera,
  70		 "set this if you have a MotionEye camera (PictureBook series)");
  71
  72static int compat;		/* = 0 */
  73module_param(compat, int, 0444);
  74MODULE_PARM_DESC(compat,
  75		 "set this if you want to enable backward compatibility mode");
  76
  77static unsigned long mask = 0xffffffff;
  78module_param(mask, ulong, 0644);
  79MODULE_PARM_DESC(mask,
  80		 "set this to the mask of event you want to enable (see doc)");
  81
  82static int useinput = 1;
  83module_param(useinput, int, 0444);
  84MODULE_PARM_DESC(useinput,
  85		 "set this if you would like sonypi to feed events to the input subsystem");
  86
  87static int check_ioport = 1;
  88module_param(check_ioport, int, 0444);
  89MODULE_PARM_DESC(check_ioport,
  90		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
  91
  92#define SONYPI_DEVICE_MODEL_TYPE1	1
  93#define SONYPI_DEVICE_MODEL_TYPE2	2
  94#define SONYPI_DEVICE_MODEL_TYPE3	3
  95
  96/* type1 models use those */
  97#define SONYPI_IRQ_PORT			0x8034
  98#define SONYPI_IRQ_SHIFT		22
  99#define SONYPI_TYPE1_BASE		0x50
 100#define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
 101#define SONYPI_TYPE1_REGION_SIZE	0x08
 102#define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
 103
 104/* type2 series specifics */
 105#define SONYPI_SIRQ			0x9b
 106#define SONYPI_SLOB			0x9c
 107#define SONYPI_SHIB			0x9d
 108#define SONYPI_TYPE2_REGION_SIZE	0x20
 109#define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
 110
 111/* type3 series specifics */
 112#define SONYPI_TYPE3_BASE		0x40
 113#define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
 114#define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
 115#define SONYPI_TYPE3_REGION_SIZE	0x20
 116#define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
 117
 118/* battery / brightness addresses */
 119#define SONYPI_BAT_FLAGS	0x81
 120#define SONYPI_LCD_LIGHT	0x96
 121#define SONYPI_BAT1_PCTRM	0xa0
 122#define SONYPI_BAT1_LEFT	0xa2
 123#define SONYPI_BAT1_MAXRT	0xa4
 124#define SONYPI_BAT2_PCTRM	0xa8
 125#define SONYPI_BAT2_LEFT	0xaa
 126#define SONYPI_BAT2_MAXRT	0xac
 127#define SONYPI_BAT1_MAXTK	0xb0
 128#define SONYPI_BAT1_FULL	0xb2
 129#define SONYPI_BAT2_MAXTK	0xb8
 130#define SONYPI_BAT2_FULL	0xba
 131
 132/* FAN0 information (reverse engineered from ACPI tables) */
 133#define SONYPI_FAN0_STATUS	0x93
 134#define SONYPI_TEMP_STATUS	0xC1
 135
 136/* ioports used for brightness and type2 events */
 137#define SONYPI_DATA_IOPORT	0x62
 138#define SONYPI_CST_IOPORT	0x66
 139
 140/* The set of possible ioports */
 141struct sonypi_ioport_list {
 142	u16	port1;
 143	u16	port2;
 144};
 145
 146static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 147	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
 148	{ 0x1080, 0x1084 },
 149	{ 0x1090, 0x1094 },
 150	{ 0x10a0, 0x10a4 },
 151	{ 0x10b0, 0x10b4 },
 152	{ 0x0, 0x0 }
 153};
 154
 155static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 156	{ 0x1080, 0x1084 },
 157	{ 0x10a0, 0x10a4 },
 158	{ 0x10c0, 0x10c4 },
 159	{ 0x10e0, 0x10e4 },
 160	{ 0x0, 0x0 }
 161};
 162
 163/* same as in type 2 models */
 164static struct sonypi_ioport_list *sonypi_type3_ioport_list =
 165	sonypi_type2_ioport_list;
 166
 167/* The set of possible interrupts */
 168struct sonypi_irq_list {
 169	u16	irq;
 170	u16	bits;
 171};
 172
 173static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 174	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
 175	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
 176	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
 177	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
 178};
 179
 180static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 181	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
 182	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
 183	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
 184	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
 185	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
 186};
 187
 188/* same as in type2 models */
 189static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
 190
 191#define SONYPI_CAMERA_BRIGHTNESS		0
 192#define SONYPI_CAMERA_CONTRAST			1
 193#define SONYPI_CAMERA_HUE			2
 194#define SONYPI_CAMERA_COLOR			3
 195#define SONYPI_CAMERA_SHARPNESS			4
 196
 197#define SONYPI_CAMERA_PICTURE			5
 198#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
 199#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
 200#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
 201#define SONYPI_CAMERA_MUTE_MASK			0x40
 202
 203/* the rest don't need a loop until not 0xff */
 204#define SONYPI_CAMERA_AGC			6
 205#define SONYPI_CAMERA_AGC_MASK			0x30
 206#define SONYPI_CAMERA_SHUTTER_MASK 		0x7
 207
 208#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
 209#define SONYPI_CAMERA_CONTROL			0x10
 210
 211#define SONYPI_CAMERA_STATUS 			7
 212#define SONYPI_CAMERA_STATUS_READY 		0x2
 213#define SONYPI_CAMERA_STATUS_POSITION		0x4
 214
 215#define SONYPI_DIRECTION_BACKWARDS 		0x4
 216
 217#define SONYPI_CAMERA_REVISION 			8
 218#define SONYPI_CAMERA_ROMVERSION 		9
 219
 220/* Event masks */
 221#define SONYPI_JOGGER_MASK			0x00000001
 222#define SONYPI_CAPTURE_MASK			0x00000002
 223#define SONYPI_FNKEY_MASK			0x00000004
 224#define SONYPI_BLUETOOTH_MASK			0x00000008
 225#define SONYPI_PKEY_MASK			0x00000010
 226#define SONYPI_BACK_MASK			0x00000020
 227#define SONYPI_HELP_MASK			0x00000040
 228#define SONYPI_LID_MASK				0x00000080
 229#define SONYPI_ZOOM_MASK			0x00000100
 230#define SONYPI_THUMBPHRASE_MASK			0x00000200
 231#define SONYPI_MEYE_MASK			0x00000400
 232#define SONYPI_MEMORYSTICK_MASK			0x00000800
 233#define SONYPI_BATTERY_MASK			0x00001000
 234#define SONYPI_WIRELESS_MASK			0x00002000
 235
 236struct sonypi_event {
 237	u8	data;
 238	u8	event;
 239};
 240
 241/* The set of possible button release events */
 242static struct sonypi_event sonypi_releaseev[] = {
 243	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 244	{ 0, 0 }
 245};
 246
 247/* The set of possible jogger events  */
 248static struct sonypi_event sonypi_joggerev[] = {
 249	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 250	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 251	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 252	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 253	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 254	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 255	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 256	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 257	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 258	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 259	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 260	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 261	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 262	{ 0, 0 }
 263};
 264
 265/* The set of possible capture button events */
 266static struct sonypi_event sonypi_captureev[] = {
 267	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 268	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 269	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 270	{ 0, 0 }
 271};
 272
 273/* The set of possible fnkeys events */
 274static struct sonypi_event sonypi_fnkeyev[] = {
 275	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
 276	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
 277	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
 278	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
 279	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
 280	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
 281	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
 282	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
 283	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
 284	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
 285	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
 286	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
 287	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
 288	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 289	{ 0x21, SONYPI_EVENT_FNKEY_1 },
 290	{ 0x22, SONYPI_EVENT_FNKEY_2 },
 291	{ 0x31, SONYPI_EVENT_FNKEY_D },
 292	{ 0x32, SONYPI_EVENT_FNKEY_E },
 293	{ 0x33, SONYPI_EVENT_FNKEY_F },
 294	{ 0x34, SONYPI_EVENT_FNKEY_S },
 295	{ 0x35, SONYPI_EVENT_FNKEY_B },
 296	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
 297	{ 0, 0 }
 298};
 299
 300/* The set of possible program key events */
 301static struct sonypi_event sonypi_pkeyev[] = {
 302	{ 0x01, SONYPI_EVENT_PKEY_P1 },
 303	{ 0x02, SONYPI_EVENT_PKEY_P2 },
 304	{ 0x04, SONYPI_EVENT_PKEY_P3 },
 305	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
 306	{ 0, 0 }
 307};
 308
 309/* The set of possible bluetooth events */
 310static struct sonypi_event sonypi_blueev[] = {
 311	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 312	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 313	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 314	{ 0, 0 }
 315};
 316
 317/* The set of possible wireless events */
 318static struct sonypi_event sonypi_wlessev[] = {
 319	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
 320	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
 321	{ 0, 0 }
 322};
 323
 324/* The set of possible back button events */
 325static struct sonypi_event sonypi_backev[] = {
 326	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
 327	{ 0, 0 }
 328};
 329
 330/* The set of possible help button events */
 331static struct sonypi_event sonypi_helpev[] = {
 332	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
 333	{ 0, 0 }
 334};
 335
 336
 337/* The set of possible lid events */
 338static struct sonypi_event sonypi_lidev[] = {
 339	{ 0x51, SONYPI_EVENT_LID_CLOSED },
 340	{ 0x50, SONYPI_EVENT_LID_OPENED },
 341	{ 0, 0 }
 342};
 343
 344/* The set of possible zoom events */
 345static struct sonypi_event sonypi_zoomev[] = {
 346	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 347	{ 0, 0 }
 348};
 349
 350/* The set of possible thumbphrase events */
 351static struct sonypi_event sonypi_thumbphraseev[] = {
 352	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 353	{ 0, 0 }
 354};
 355
 356/* The set of possible motioneye camera events */
 357static struct sonypi_event sonypi_meyeev[] = {
 358	{ 0x00, SONYPI_EVENT_MEYE_FACE },
 359	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 360	{ 0, 0 }
 361};
 362
 363/* The set of possible memorystick events */
 364static struct sonypi_event sonypi_memorystickev[] = {
 365	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 366	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 367	{ 0, 0 }
 368};
 369
 370/* The set of possible battery events */
 371static struct sonypi_event sonypi_batteryev[] = {
 372	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
 373	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 374	{ 0, 0 }
 375};
 376
 377static struct sonypi_eventtypes {
 378	int			model;
 379	u8			data;
 380	unsigned long		mask;
 381	struct sonypi_event *	events;
 382} sonypi_eventtypes[] = {
 383	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 384	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 385	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 386	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 387	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 388	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 389	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 390	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 391	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 392	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 393
 394	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 395	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 396	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 397	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 398	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 399	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 400	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 401	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 402	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 403	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 404	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 405	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 406	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 407	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 408
 409	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
 410	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 411	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
 412	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 413	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 414	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 415	{ 0 }
 416};
 417
 418#define SONYPI_BUF_SIZE	128
 419
 420/* Correspondance table between sonypi events and input layer events */
 421static struct {
 422	int sonypiev;
 423	int inputev;
 424} sonypi_inputkeys[] = {
 425	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
 426	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
 427	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
 428	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
 429	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
 430	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
 431	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
 432	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
 433	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
 434	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
 435	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
 436	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
 437	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
 438	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
 439	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
 440	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
 441	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
 442	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
 443	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
 444	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
 445	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
 446	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
 447	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
 448	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
 449	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
 450	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
 451	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
 452	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
 453	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
 454	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
 455	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
 456	{ 0, 0 },
 457};
 458
 459struct sonypi_keypress {
 460	struct input_dev *dev;
 461	int key;
 462};
 463
 464static struct sonypi_device {
 465	struct pci_dev *dev;
 466	u16 irq;
 467	u16 bits;
 468	u16 ioport1;
 469	u16 ioport2;
 470	u16 region_size;
 471	u16 evtype_offset;
 472	int camera_power;
 473	int bluetooth_power;
 474	struct mutex lock;
 475	struct kfifo fifo;
 476	spinlock_t fifo_lock;
 477	wait_queue_head_t fifo_proc_list;
 478	struct fasync_struct *fifo_async;
 479	int open_count;
 480	int model;
 481	struct input_dev *input_jog_dev;
 482	struct input_dev *input_key_dev;
 483	struct work_struct input_work;
 484	struct kfifo input_fifo;
 485	spinlock_t input_fifo_lock;
 486} sonypi_device;
 487
 488#define ITERATIONS_LONG		10000
 489#define ITERATIONS_SHORT	10
 490
 491#define wait_on_command(quiet, command, iterations) { \
 492	unsigned int n = iterations; \
 493	while (--n && (command)) \
 494		udelay(1); \
 495	if (!n && (verbose || !quiet)) \
 496		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
 497}
 498
 499#ifdef CONFIG_ACPI
 500#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 501#else
 502#define SONYPI_ACPI_ACTIVE 0
 503#endif				/* CONFIG_ACPI */
 504
 505#ifdef CONFIG_ACPI
 506static struct acpi_device *sonypi_acpi_device;
 507static int acpi_driver_registered;
 508#endif
 509
 510static int sonypi_ec_write(u8 addr, u8 value)
 511{
 512#ifdef CONFIG_ACPI
 513	if (SONYPI_ACPI_ACTIVE)
 514		return ec_write(addr, value);
 515#endif
 516	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 517	outb_p(0x81, SONYPI_CST_IOPORT);
 518	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 519	outb_p(addr, SONYPI_DATA_IOPORT);
 520	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 521	outb_p(value, SONYPI_DATA_IOPORT);
 522	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 523	return 0;
 524}
 525
 526static int sonypi_ec_read(u8 addr, u8 *value)
 527{
 528#ifdef CONFIG_ACPI
 529	if (SONYPI_ACPI_ACTIVE)
 530		return ec_read(addr, value);
 531#endif
 532	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 533	outb_p(0x80, SONYPI_CST_IOPORT);
 534	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 535	outb_p(addr, SONYPI_DATA_IOPORT);
 536	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 537	*value = inb_p(SONYPI_DATA_IOPORT);
 538	return 0;
 539}
 540
 541static int ec_read16(u8 addr, u16 *value)
 542{
 543	u8 val_lb, val_hb;
 544	if (sonypi_ec_read(addr, &val_lb))
 545		return -1;
 546	if (sonypi_ec_read(addr + 1, &val_hb))
 547		return -1;
 548	*value = val_lb | (val_hb << 8);
 549	return 0;
 550}
 551
 552/* Initializes the device - this comes from the AML code in the ACPI bios */
 553static void sonypi_type1_srs(void)
 554{
 555	u32 v;
 556
 557	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 558	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 559	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 560
 561	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 562	v = (v & 0xFFF0FFFF) |
 563	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 564	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 565
 566	v = inl(SONYPI_IRQ_PORT);
 567	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 568	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 569	outl(v, SONYPI_IRQ_PORT);
 570
 571	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 572	v = (v & 0xFF1FFFFF) | 0x00C00000;
 573	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 574}
 575
 576static void sonypi_type2_srs(void)
 577{
 578	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 579		printk(KERN_WARNING "ec_write failed\n");
 580	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 581		printk(KERN_WARNING "ec_write failed\n");
 582	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 583		printk(KERN_WARNING "ec_write failed\n");
 584	udelay(10);
 585}
 586
 587static void sonypi_type3_srs(void)
 588{
 589	u16 v16;
 590	u8  v8;
 591
 592	/* This model type uses the same initialization of
 593	 * the embedded controller as the type2 models. */
 594	sonypi_type2_srs();
 595
 596	/* Initialization of PCI config space of the LPC interface bridge. */
 597	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
 598	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
 599	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
 600	v8 = (v8 & 0xCF) | 0x10;
 601	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
 602}
 603
 604/* Disables the device - this comes from the AML code in the ACPI bios */
 605static void sonypi_type1_dis(void)
 606{
 607	u32 v;
 608
 609	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 610	v = v & 0xFF3FFFFF;
 611	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 612
 613	v = inl(SONYPI_IRQ_PORT);
 614	v |= (0x3 << SONYPI_IRQ_SHIFT);
 615	outl(v, SONYPI_IRQ_PORT);
 616}
 617
 618static void sonypi_type2_dis(void)
 619{
 620	if (sonypi_ec_write(SONYPI_SHIB, 0))
 621		printk(KERN_WARNING "ec_write failed\n");
 622	if (sonypi_ec_write(SONYPI_SLOB, 0))
 623		printk(KERN_WARNING "ec_write failed\n");
 624	if (sonypi_ec_write(SONYPI_SIRQ, 0))
 625		printk(KERN_WARNING "ec_write failed\n");
 626}
 627
 628static void sonypi_type3_dis(void)
 629{
 630	sonypi_type2_dis();
 631	udelay(10);
 632	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
 633}
 634
 635static u8 sonypi_call1(u8 dev)
 636{
 637	u8 v1, v2;
 638
 639	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 640	outb(dev, sonypi_device.ioport2);
 641	v1 = inb_p(sonypi_device.ioport2);
 642	v2 = inb_p(sonypi_device.ioport1);
 643	return v2;
 644}
 645
 646static u8 sonypi_call2(u8 dev, u8 fn)
 647{
 648	u8 v1;
 649
 650	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 651	outb(dev, sonypi_device.ioport2);
 652	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 653	outb(fn, sonypi_device.ioport1);
 654	v1 = inb_p(sonypi_device.ioport1);
 655	return v1;
 656}
 657
 658static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 659{
 660	u8 v1;
 661
 662	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 663	outb(dev, sonypi_device.ioport2);
 664	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 665	outb(fn, sonypi_device.ioport1);
 666	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 667	outb(v, sonypi_device.ioport1);
 668	v1 = inb_p(sonypi_device.ioport1);
 669	return v1;
 670}
 671
 672#if 0
 673/* Get brightness, hue etc. Unreliable... */
 674static u8 sonypi_read(u8 fn)
 675{
 676	u8 v1, v2;
 677	int n = 100;
 678
 679	while (n--) {
 680		v1 = sonypi_call2(0x8f, fn);
 681		v2 = sonypi_call2(0x8f, fn);
 682		if (v1 == v2 && v1 != 0xff)
 683			return v1;
 684	}
 685	return 0xff;
 686}
 687#endif
 688
 689/* Set brightness, hue etc */
 690static void sonypi_set(u8 fn, u8 v)
 691{
 692	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 693}
 694
 695/* Tests if the camera is ready */
 696static int sonypi_camera_ready(void)
 697{
 698	u8 v;
 699
 700	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 701	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 702}
 703
 704/* Turns the camera off */
 705static void sonypi_camera_off(void)
 706{
 707	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 708
 709	if (!sonypi_device.camera_power)
 710		return;
 711
 712	sonypi_call2(0x91, 0);
 713	sonypi_device.camera_power = 0;
 714}
 715
 716/* Turns the camera on */
 717static void sonypi_camera_on(void)
 718{
 719	int i, j;
 720
 721	if (sonypi_device.camera_power)
 722		return;
 723
 724	for (j = 5; j > 0; j--) {
 725
 726		while (sonypi_call2(0x91, 0x1))
 727			msleep(10);
 728		sonypi_call1(0x93);
 729
 730		for (i = 400; i > 0; i--) {
 731			if (sonypi_camera_ready())
 732				break;
 733			msleep(10);
 734		}
 735		if (i)
 736			break;
 737	}
 738
 739	if (j == 0) {
 740		printk(KERN_WARNING "sonypi: failed to power on camera\n");
 741		return;
 742	}
 743
 744	sonypi_set(0x10, 0x5a);
 745	sonypi_device.camera_power = 1;
 746}
 747
 748/* sets the bluetooth subsystem power state */
 749static void sonypi_setbluetoothpower(u8 state)
 750{
 751	state = !!state;
 752
 753	if (sonypi_device.bluetooth_power == state)
 754		return;
 755
 756	sonypi_call2(0x96, state);
 757	sonypi_call1(0x82);
 758	sonypi_device.bluetooth_power = state;
 759}
 760
 761static void input_keyrelease(struct work_struct *work)
 762{
 763	struct sonypi_keypress kp;
 764
 765	while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
 766			 sizeof(kp), &sonypi_device.input_fifo_lock)
 767			== sizeof(kp)) {
 768		msleep(10);
 769		input_report_key(kp.dev, kp.key, 0);
 770		input_sync(kp.dev);
 771	}
 772}
 773
 774static void sonypi_report_input_event(u8 event)
 775{
 776	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
 777	struct input_dev *key_dev = sonypi_device.input_key_dev;
 778	struct sonypi_keypress kp = { NULL };
 779	int i;
 780
 781	switch (event) {
 782	case SONYPI_EVENT_JOGDIAL_UP:
 783	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 784		input_report_rel(jog_dev, REL_WHEEL, 1);
 785		input_sync(jog_dev);
 786		break;
 787
 788	case SONYPI_EVENT_JOGDIAL_DOWN:
 789	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 790		input_report_rel(jog_dev, REL_WHEEL, -1);
 791		input_sync(jog_dev);
 792		break;
 793
 794	case SONYPI_EVENT_JOGDIAL_PRESSED:
 795		kp.key = BTN_MIDDLE;
 796		kp.dev = jog_dev;
 797		break;
 798
 799	case SONYPI_EVENT_FNKEY_RELEASED:
 800		/* Nothing, not all VAIOs generate this event */
 801		break;
 802
 803	default:
 804		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
 805			if (event == sonypi_inputkeys[i].sonypiev) {
 806				kp.dev = key_dev;
 807				kp.key = sonypi_inputkeys[i].inputev;
 808				break;
 809			}
 810		break;
 811	}
 812
 813	if (kp.dev) {
 814		input_report_key(kp.dev, kp.key, 1);
 815		input_sync(kp.dev);
 816		kfifo_in_locked(&sonypi_device.input_fifo,
 817			(unsigned char *)&kp, sizeof(kp),
 818			&sonypi_device.input_fifo_lock);
 819		schedule_work(&sonypi_device.input_work);
 820	}
 821}
 822
 823/* Interrupt handler: some event is available */
 824static irqreturn_t sonypi_irq(int irq, void *dev_id)
 825{
 826	u8 v1, v2, event = 0;
 827	int i, j;
 828
 829	v1 = inb_p(sonypi_device.ioport1);
 830	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 831
 832	for (i = 0; sonypi_eventtypes[i].model; i++) {
 833		if (sonypi_device.model != sonypi_eventtypes[i].model)
 834			continue;
 835		if ((v2 & sonypi_eventtypes[i].data) !=
 836		    sonypi_eventtypes[i].data)
 837			continue;
 838		if (!(mask & sonypi_eventtypes[i].mask))
 839			continue;
 840		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 841			if (v1 == sonypi_eventtypes[i].events[j].data) {
 842				event = sonypi_eventtypes[i].events[j].event;
 843				goto found;
 844			}
 845		}
 846	}
 847
 848	if (verbose)
 849		printk(KERN_WARNING
 850		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 851		       v1, v2);
 852	/* We need to return IRQ_HANDLED here because there *are*
 853	 * events belonging to the sonypi device we don't know about,
 854	 * but we still don't want those to pollute the logs... */
 855	return IRQ_HANDLED;
 856
 857found:
 858	if (verbose > 1)
 859		printk(KERN_INFO
 860		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 861
 862	if (useinput)
 863		sonypi_report_input_event(event);
 864
 865	kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
 866			sizeof(event), &sonypi_device.fifo_lock);
 867	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 868	wake_up_interruptible(&sonypi_device.fifo_proc_list);
 869
 870	return IRQ_HANDLED;
 871}
 872
 873static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 874{
 875	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 876}
 877
 878static int sonypi_misc_release(struct inode *inode, struct file *file)
 879{
 880	mutex_lock(&sonypi_device.lock);
 881	sonypi_device.open_count--;
 882	mutex_unlock(&sonypi_device.lock);
 883	return 0;
 884}
 885
 886static int sonypi_misc_open(struct inode *inode, struct file *file)
 887{
 888	mutex_lock(&sonypi_device.lock);
 889	/* Flush input queue on first open */
 890	if (!sonypi_device.open_count)
 891		kfifo_reset(&sonypi_device.fifo);
 892	sonypi_device.open_count++;
 893	mutex_unlock(&sonypi_device.lock);
 894
 895	return 0;
 896}
 897
 898static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 899				size_t count, loff_t *pos)
 900{
 901	ssize_t ret;
 902	unsigned char c;
 903
 904	if ((kfifo_len(&sonypi_device.fifo) == 0) &&
 905	    (file->f_flags & O_NONBLOCK))
 906		return -EAGAIN;
 907
 908	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 909				       kfifo_len(&sonypi_device.fifo) != 0);
 910	if (ret)
 911		return ret;
 912
 913	while (ret < count &&
 914	       (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
 915				 &sonypi_device.fifo_lock) == sizeof(c))) {
 916		if (put_user(c, buf++))
 917			return -EFAULT;
 918		ret++;
 919	}
 920
 921	if (ret > 0) {
 922		struct inode *inode = file_inode(file);
 923		inode->i_atime = current_time(inode);
 924	}
 925
 926	return ret;
 927}
 928
 929static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
 930{
 931	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 932	if (kfifo_len(&sonypi_device.fifo))
 933		return EPOLLIN | EPOLLRDNORM;
 934	return 0;
 935}
 936
 937static long sonypi_misc_ioctl(struct file *fp,
 938			     unsigned int cmd, unsigned long arg)
 939{
 940	long ret = 0;
 941	void __user *argp = (void __user *)arg;
 942	u8 val8;
 943	u16 val16;
 944
 945	mutex_lock(&sonypi_device.lock);
 946	switch (cmd) {
 947	case SONYPI_IOCGBRT:
 948		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 949			ret = -EIO;
 950			break;
 951		}
 952		if (copy_to_user(argp, &val8, sizeof(val8)))
 953			ret = -EFAULT;
 954		break;
 955	case SONYPI_IOCSBRT:
 956		if (copy_from_user(&val8, argp, sizeof(val8))) {
 957			ret = -EFAULT;
 958			break;
 959		}
 960		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 961			ret = -EIO;
 962		break;
 963	case SONYPI_IOCGBAT1CAP:
 964		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 965			ret = -EIO;
 966			break;
 967		}
 968		if (copy_to_user(argp, &val16, sizeof(val16)))
 969			ret = -EFAULT;
 970		break;
 971	case SONYPI_IOCGBAT1REM:
 972		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 973			ret = -EIO;
 974			break;
 975		}
 976		if (copy_to_user(argp, &val16, sizeof(val16)))
 977			ret = -EFAULT;
 978		break;
 979	case SONYPI_IOCGBAT2CAP:
 980		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
 981			ret = -EIO;
 982			break;
 983		}
 984		if (copy_to_user(argp, &val16, sizeof(val16)))
 985			ret = -EFAULT;
 986		break;
 987	case SONYPI_IOCGBAT2REM:
 988		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
 989			ret = -EIO;
 990			break;
 991		}
 992		if (copy_to_user(argp, &val16, sizeof(val16)))
 993			ret = -EFAULT;
 994		break;
 995	case SONYPI_IOCGBATFLAGS:
 996		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
 997			ret = -EIO;
 998			break;
 999		}
1000		val8 &= 0x07;
1001		if (copy_to_user(argp, &val8, sizeof(val8)))
1002			ret = -EFAULT;
1003		break;
1004	case SONYPI_IOCGBLUE:
1005		val8 = sonypi_device.bluetooth_power;
1006		if (copy_to_user(argp, &val8, sizeof(val8)))
1007			ret = -EFAULT;
1008		break;
1009	case SONYPI_IOCSBLUE:
1010		if (copy_from_user(&val8, argp, sizeof(val8))) {
1011			ret = -EFAULT;
1012			break;
1013		}
1014		sonypi_setbluetoothpower(val8);
1015		break;
1016	/* FAN Controls */
1017	case SONYPI_IOCGFAN:
1018		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1019			ret = -EIO;
1020			break;
1021		}
1022		if (copy_to_user(argp, &val8, sizeof(val8)))
1023			ret = -EFAULT;
1024		break;
1025	case SONYPI_IOCSFAN:
1026		if (copy_from_user(&val8, argp, sizeof(val8))) {
1027			ret = -EFAULT;
1028			break;
1029		}
1030		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1031			ret = -EIO;
1032		break;
1033	/* GET Temperature (useful under APM) */
1034	case SONYPI_IOCGTEMP:
1035		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1036			ret = -EIO;
1037			break;
1038		}
1039		if (copy_to_user(argp, &val8, sizeof(val8)))
1040			ret = -EFAULT;
1041		break;
1042	default:
1043		ret = -EINVAL;
1044	}
1045	mutex_unlock(&sonypi_device.lock);
1046	return ret;
1047}
1048
1049static const struct file_operations sonypi_misc_fops = {
1050	.owner		= THIS_MODULE,
1051	.read		= sonypi_misc_read,
1052	.poll		= sonypi_misc_poll,
1053	.open		= sonypi_misc_open,
1054	.release	= sonypi_misc_release,
1055	.fasync		= sonypi_misc_fasync,
1056	.unlocked_ioctl	= sonypi_misc_ioctl,
1057	.llseek		= no_llseek,
1058};
1059
1060static struct miscdevice sonypi_misc_device = {
1061	.minor		= MISC_DYNAMIC_MINOR,
1062	.name		= "sonypi",
1063	.fops		= &sonypi_misc_fops,
1064};
1065
1066static void sonypi_enable(unsigned int camera_on)
1067{
1068	switch (sonypi_device.model) {
1069	case SONYPI_DEVICE_MODEL_TYPE1:
1070		sonypi_type1_srs();
1071		break;
1072	case SONYPI_DEVICE_MODEL_TYPE2:
1073		sonypi_type2_srs();
1074		break;
1075	case SONYPI_DEVICE_MODEL_TYPE3:
1076		sonypi_type3_srs();
1077		break;
1078	}
1079
1080	sonypi_call1(0x82);
1081	sonypi_call2(0x81, 0xff);
1082	sonypi_call1(compat ? 0x92 : 0x82);
1083
1084	/* Enable ACPI mode to get Fn key events */
1085	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1086		outb(0xf0, 0xb2);
1087
1088	if (camera && camera_on)
1089		sonypi_camera_on();
1090}
1091
1092static int sonypi_disable(void)
1093{
1094	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1095	if (camera)
1096		sonypi_camera_off();
1097
1098	/* disable ACPI mode */
1099	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100		outb(0xf1, 0xb2);
1101
1102	switch (sonypi_device.model) {
1103	case SONYPI_DEVICE_MODEL_TYPE1:
1104		sonypi_type1_dis();
1105		break;
1106	case SONYPI_DEVICE_MODEL_TYPE2:
1107		sonypi_type2_dis();
1108		break;
1109	case SONYPI_DEVICE_MODEL_TYPE3:
1110		sonypi_type3_dis();
1111		break;
1112	}
1113
1114	return 0;
1115}
1116
1117#ifdef CONFIG_ACPI
1118static int sonypi_acpi_add(struct acpi_device *device)
1119{
1120	sonypi_acpi_device = device;
1121	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1122	strcpy(acpi_device_class(device), "sony/hotkey");
1123	return 0;
1124}
1125
1126static int sonypi_acpi_remove(struct acpi_device *device)
1127{
1128	sonypi_acpi_device = NULL;
1129	return 0;
1130}
1131
1132static const struct acpi_device_id sonypi_device_ids[] = {
1133	{"SNY6001", 0},
1134	{"", 0},
1135};
1136
1137static struct acpi_driver sonypi_acpi_driver = {
1138	.name           = "sonypi",
1139	.class          = "hkey",
1140	.ids            = sonypi_device_ids,
1141	.ops            = {
1142		           .add = sonypi_acpi_add,
1143			   .remove = sonypi_acpi_remove,
1144	},
1145};
1146#endif
1147
1148static int sonypi_create_input_devices(struct platform_device *pdev)
1149{
1150	struct input_dev *jog_dev;
1151	struct input_dev *key_dev;
1152	int i;
1153	int error;
1154
1155	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1156	if (!jog_dev)
1157		return -ENOMEM;
1158
1159	jog_dev->name = "Sony Vaio Jogdial";
1160	jog_dev->id.bustype = BUS_ISA;
1161	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1162	jog_dev->dev.parent = &pdev->dev;
1163
1164	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1165	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1166	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1167
1168	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1169	if (!key_dev) {
1170		error = -ENOMEM;
1171		goto err_free_jogdev;
1172	}
1173
1174	key_dev->name = "Sony Vaio Keys";
1175	key_dev->id.bustype = BUS_ISA;
1176	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1177	key_dev->dev.parent = &pdev->dev;
1178
1179	/* Initialize the Input Drivers: special keys */
1180	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1181	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1182		if (sonypi_inputkeys[i].inputev)
1183			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1184
1185	error = input_register_device(jog_dev);
1186	if (error)
1187		goto err_free_keydev;
1188
1189	error = input_register_device(key_dev);
1190	if (error)
1191		goto err_unregister_jogdev;
1192
1193	return 0;
1194
1195 err_unregister_jogdev:
1196	input_unregister_device(jog_dev);
1197	/* Set to NULL so we don't free it again below */
1198	jog_dev = NULL;
1199 err_free_keydev:
1200	input_free_device(key_dev);
1201	sonypi_device.input_key_dev = NULL;
1202 err_free_jogdev:
1203	input_free_device(jog_dev);
1204	sonypi_device.input_jog_dev = NULL;
1205
1206	return error;
1207}
1208
1209static int sonypi_setup_ioports(struct sonypi_device *dev,
1210				const struct sonypi_ioport_list *ioport_list)
1211{
1212	/* try to detect if sony-laptop is being used and thus
1213	 * has already requested one of the known ioports.
1214	 * As in the deprecated check_region this is racy has we have
1215	 * multiple ioports available and one of them can be requested
1216	 * between this check and the subsequent request. Anyway, as an
1217	 * attempt to be some more user-friendly as we currently are,
1218	 * this is enough.
1219	 */
1220	const struct sonypi_ioport_list *check = ioport_list;
1221	while (check_ioport && check->port1) {
1222		if (!request_region(check->port1,
1223				   sonypi_device.region_size,
1224				   "Sony Programmable I/O Device Check")) {
1225			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1226					"if not use check_ioport=0\n",
1227					check->port1);
1228			return -EBUSY;
1229		}
1230		release_region(check->port1, sonypi_device.region_size);
1231		check++;
1232	}
1233
1234	while (ioport_list->port1) {
1235
1236		if (request_region(ioport_list->port1,
1237				   sonypi_device.region_size,
1238				   "Sony Programmable I/O Device")) {
1239			dev->ioport1 = ioport_list->port1;
1240			dev->ioport2 = ioport_list->port2;
1241			return 0;
1242		}
1243		ioport_list++;
1244	}
1245
1246	return -EBUSY;
1247}
1248
1249static int sonypi_setup_irq(struct sonypi_device *dev,
1250				      const struct sonypi_irq_list *irq_list)
1251{
1252	while (irq_list->irq) {
1253
1254		if (!request_irq(irq_list->irq, sonypi_irq,
1255				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1256			dev->irq = irq_list->irq;
1257			dev->bits = irq_list->bits;
1258			return 0;
1259		}
1260		irq_list++;
1261	}
1262
1263	return -EBUSY;
1264}
1265
1266static void sonypi_display_info(void)
1267{
1268	printk(KERN_INFO "sonypi: detected type%d model, "
1269	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1270	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1271	       sonypi_device.model,
1272	       verbose,
1273	       fnkeyinit ? "on" : "off",
1274	       camera ? "on" : "off",
1275	       compat ? "on" : "off",
1276	       mask,
1277	       useinput ? "on" : "off",
1278	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1279	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1280	       sonypi_device.irq,
1281	       sonypi_device.ioport1, sonypi_device.ioport2);
1282
1283	if (minor == -1)
1284		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1285		       sonypi_misc_device.minor);
1286}
1287
1288static int sonypi_probe(struct platform_device *dev)
1289{
1290	const struct sonypi_ioport_list *ioport_list;
1291	const struct sonypi_irq_list *irq_list;
1292	struct pci_dev *pcidev;
1293	int error;
1294
1295	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1296			"and report failures, see also "
1297			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1298
1299	spin_lock_init(&sonypi_device.fifo_lock);
1300	error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1301	if (error) {
1302		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1303		return error;
1304	}
1305
1306	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1307	mutex_init(&sonypi_device.lock);
1308	sonypi_device.bluetooth_power = -1;
1309
1310	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1311				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1312		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1313	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1314					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1315		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1316	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1317					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1318		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1319	else
1320		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1321
1322	if (pcidev && pci_enable_device(pcidev)) {
1323		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1324		error = -EIO;
1325		goto err_put_pcidev;
1326	}
1327
1328	sonypi_device.dev = pcidev;
1329
1330	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1331		ioport_list = sonypi_type1_ioport_list;
1332		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1333		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1334		irq_list = sonypi_type1_irq_list;
1335	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1336		ioport_list = sonypi_type2_ioport_list;
1337		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1338		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1339		irq_list = sonypi_type2_irq_list;
1340	} else {
1341		ioport_list = sonypi_type3_ioport_list;
1342		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1343		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1344		irq_list = sonypi_type3_irq_list;
1345	}
1346
1347	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1348	if (error) {
1349		printk(KERN_ERR "sonypi: failed to request ioports\n");
1350		goto err_disable_pcidev;
1351	}
1352
1353	error = sonypi_setup_irq(&sonypi_device, irq_list);
1354	if (error) {
1355		printk(KERN_ERR "sonypi: request_irq failed\n");
1356		goto err_free_ioports;
1357	}
1358
1359	if (minor != -1)
1360		sonypi_misc_device.minor = minor;
1361	error = misc_register(&sonypi_misc_device);
1362	if (error) {
1363		printk(KERN_ERR "sonypi: misc_register failed\n");
1364		goto err_free_irq;
1365	}
1366
1367	sonypi_display_info();
1368
1369	if (useinput) {
1370
1371		error = sonypi_create_input_devices(dev);
1372		if (error) {
1373			printk(KERN_ERR
1374				"sonypi: failed to create input devices\n");
1375			goto err_miscdev_unregister;
1376		}
1377
1378		spin_lock_init(&sonypi_device.input_fifo_lock);
1379		error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1380				GFP_KERNEL);
1381		if (error) {
1382			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1383			goto err_inpdev_unregister;
1384		}
1385
1386		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1387	}
1388
1389	sonypi_enable(0);
1390
1391	return 0;
1392
1393 err_inpdev_unregister:
1394	input_unregister_device(sonypi_device.input_key_dev);
1395	input_unregister_device(sonypi_device.input_jog_dev);
1396 err_miscdev_unregister:
1397	misc_deregister(&sonypi_misc_device);
1398 err_free_irq:
1399	free_irq(sonypi_device.irq, sonypi_irq);
1400 err_free_ioports:
1401	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1402 err_disable_pcidev:
1403	if (pcidev)
1404		pci_disable_device(pcidev);
1405 err_put_pcidev:
1406	pci_dev_put(pcidev);
1407	kfifo_free(&sonypi_device.fifo);
1408
1409	return error;
1410}
1411
1412static int sonypi_remove(struct platform_device *dev)
1413{
1414	sonypi_disable();
1415
1416	synchronize_irq(sonypi_device.irq);
1417	flush_work(&sonypi_device.input_work);
1418
1419	if (useinput) {
1420		input_unregister_device(sonypi_device.input_key_dev);
1421		input_unregister_device(sonypi_device.input_jog_dev);
1422		kfifo_free(&sonypi_device.input_fifo);
1423	}
1424
1425	misc_deregister(&sonypi_misc_device);
1426
1427	free_irq(sonypi_device.irq, sonypi_irq);
1428	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1429
1430	if (sonypi_device.dev) {
1431		pci_disable_device(sonypi_device.dev);
1432		pci_dev_put(sonypi_device.dev);
1433	}
1434
1435	kfifo_free(&sonypi_device.fifo);
1436
1437	return 0;
1438}
1439
1440#ifdef CONFIG_PM_SLEEP
1441static int old_camera_power;
1442
1443static int sonypi_suspend(struct device *dev)
1444{
1445	old_camera_power = sonypi_device.camera_power;
1446	sonypi_disable();
1447
1448	return 0;
1449}
1450
1451static int sonypi_resume(struct device *dev)
1452{
1453	sonypi_enable(old_camera_power);
1454	return 0;
1455}
1456
1457static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1458#define SONYPI_PM	(&sonypi_pm)
1459#else
1460#define SONYPI_PM	NULL
1461#endif
1462
1463static void sonypi_shutdown(struct platform_device *dev)
1464{
1465	sonypi_disable();
1466}
1467
1468static struct platform_driver sonypi_driver = {
1469	.driver		= {
1470		.name	= "sonypi",
1471		.pm	= SONYPI_PM,
1472	},
1473	.probe		= sonypi_probe,
1474	.remove		= sonypi_remove,
1475	.shutdown	= sonypi_shutdown,
1476};
1477
1478static struct platform_device *sonypi_platform_device;
1479
1480static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1481	{
1482		.ident = "Sony Vaio",
1483		.matches = {
1484			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1485			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1486		},
1487	},
1488	{
1489		.ident = "Sony Vaio",
1490		.matches = {
1491			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1492			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1493		},
1494	},
1495	{ }
1496};
1497
1498static int __init sonypi_init(void)
1499{
1500	int error;
1501
1502	printk(KERN_INFO
1503		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1504		SONYPI_DRIVER_VERSION);
1505
1506	if (!dmi_check_system(sonypi_dmi_table))
1507		return -ENODEV;
1508
1509	error = platform_driver_register(&sonypi_driver);
1510	if (error)
1511		return error;
1512
1513	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1514	if (!sonypi_platform_device) {
1515		error = -ENOMEM;
1516		goto err_driver_unregister;
1517	}
1518
1519	error = platform_device_add(sonypi_platform_device);
1520	if (error)
1521		goto err_free_device;
1522
1523#ifdef CONFIG_ACPI
1524	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1525		acpi_driver_registered = 1;
1526#endif
1527
1528	return 0;
1529
1530 err_free_device:
1531	platform_device_put(sonypi_platform_device);
1532 err_driver_unregister:
1533	platform_driver_unregister(&sonypi_driver);
1534	return error;
1535}
1536
1537static void __exit sonypi_exit(void)
1538{
1539#ifdef CONFIG_ACPI
1540	if (acpi_driver_registered)
1541		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1542#endif
1543	platform_device_unregister(sonypi_platform_device);
1544	platform_driver_unregister(&sonypi_driver);
1545	printk(KERN_INFO "sonypi: removed.\n");
1546}
1547
1548module_init(sonypi_init);
1549module_exit(sonypi_exit);