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/drivers/char/sonypi.c

https://bitbucket.org/evzijst/gittest
C | 1403 lines | 1145 code | 177 blank | 81 comment | 136 complexity | ab3b316ee7a425747a3613af4d0f9fbc MD5 | raw file
   1/*
   2 * Sony Programmable I/O Control Device driver for VAIO
   3 *
   4 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
   5 *
   6 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
   7 *
   8 * Copyright (C) 2001-2002 Alc�ve <www.alcove.com>
   9 *
  10 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
  11 *
  12 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
  13 *
  14 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
  15 *
  16 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  17 *
  18 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  19 *
  20 * This program is free software; you can redistribute it and/or modify
  21 * it under the terms of the GNU General Public License as published by
  22 * the Free Software Foundation; either version 2 of the License, or
  23 * (at your option) any later version.
  24 *
  25 * This program is distributed in the hope that it will be useful,
  26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28 * GNU General Public License for more details.
  29 *
  30 * You should have received a copy of the GNU General Public License
  31 * along with this program; if not, write to the Free Software
  32 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  33 *
  34 */
  35
  36#include <linux/config.h>
  37#include <linux/module.h>
  38#include <linux/input.h>
  39#include <linux/pci.h>
  40#include <linux/sched.h>
  41#include <linux/init.h>
  42#include <linux/interrupt.h>
  43#include <linux/miscdevice.h>
  44#include <linux/poll.h>
  45#include <linux/delay.h>
  46#include <linux/wait.h>
  47#include <linux/acpi.h>
  48#include <linux/dmi.h>
  49#include <linux/err.h>
  50#include <linux/kfifo.h>
  51
  52#include <asm/uaccess.h>
  53#include <asm/io.h>
  54#include <asm/system.h>
  55
  56#include <linux/sonypi.h>
  57
  58#define SONYPI_DRIVER_VERSION	 "1.26"
  59
  60MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
  61MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
  62MODULE_LICENSE("GPL");
  63MODULE_VERSION(SONYPI_DRIVER_VERSION);
  64
  65static int minor = -1;
  66module_param(minor, int, 0);
  67MODULE_PARM_DESC(minor,
  68		 "minor number of the misc device, default is -1 (automatic)");
  69
  70static int verbose;		/* = 0 */
  71module_param(verbose, int, 0644);
  72MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
  73
  74static int fnkeyinit;		/* = 0 */
  75module_param(fnkeyinit, int, 0444);
  76MODULE_PARM_DESC(fnkeyinit,
  77		 "set this if your Fn keys do not generate any event");
  78
  79static int camera;		/* = 0 */
  80module_param(camera, int, 0444);
  81MODULE_PARM_DESC(camera,
  82		 "set this if you have a MotionEye camera (PictureBook series)");
  83
  84static int compat;		/* = 0 */
  85module_param(compat, int, 0444);
  86MODULE_PARM_DESC(compat,
  87		 "set this if you want to enable backward compatibility mode");
  88
  89static unsigned long mask = 0xffffffff;
  90module_param(mask, ulong, 0644);
  91MODULE_PARM_DESC(mask,
  92		 "set this to the mask of event you want to enable (see doc)");
  93
  94static int useinput = 1;
  95module_param(useinput, int, 0444);
  96MODULE_PARM_DESC(useinput,
  97		 "set this if you would like sonypi to feed events to the input subsystem");
  98
  99#define SONYPI_DEVICE_MODEL_TYPE1	1
 100#define SONYPI_DEVICE_MODEL_TYPE2	2
 101
 102/* type1 models use those */
 103#define SONYPI_IRQ_PORT			0x8034
 104#define SONYPI_IRQ_SHIFT		22
 105#define SONYPI_BASE			0x50
 106#define SONYPI_G10A			(SONYPI_BASE+0x14)
 107#define SONYPI_TYPE1_REGION_SIZE	0x08
 108#define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
 109
 110/* type2 series specifics */
 111#define SONYPI_SIRQ			0x9b
 112#define SONYPI_SLOB			0x9c
 113#define SONYPI_SHIB			0x9d
 114#define SONYPI_TYPE2_REGION_SIZE	0x20
 115#define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
 116
 117/* battery / brightness addresses */
 118#define SONYPI_BAT_FLAGS	0x81
 119#define SONYPI_LCD_LIGHT	0x96
 120#define SONYPI_BAT1_PCTRM	0xa0
 121#define SONYPI_BAT1_LEFT	0xa2
 122#define SONYPI_BAT1_MAXRT	0xa4
 123#define SONYPI_BAT2_PCTRM	0xa8
 124#define SONYPI_BAT2_LEFT	0xaa
 125#define SONYPI_BAT2_MAXRT	0xac
 126#define SONYPI_BAT1_MAXTK	0xb0
 127#define SONYPI_BAT1_FULL	0xb2
 128#define SONYPI_BAT2_MAXTK	0xb8
 129#define SONYPI_BAT2_FULL	0xba
 130
 131/* FAN0 information (reverse engineered from ACPI tables) */
 132#define SONYPI_FAN0_STATUS	0x93
 133#define SONYPI_TEMP_STATUS	0xC1
 134
 135/* ioports used for brightness and type2 events */
 136#define SONYPI_DATA_IOPORT	0x62
 137#define SONYPI_CST_IOPORT	0x66
 138
 139/* The set of possible ioports */
 140struct sonypi_ioport_list {
 141	u16	port1;
 142	u16	port2;
 143};
 144
 145static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
 146	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
 147	{ 0x1080, 0x1084 },
 148	{ 0x1090, 0x1094 },
 149	{ 0x10a0, 0x10a4 },
 150	{ 0x10b0, 0x10b4 },
 151	{ 0x0, 0x0 }
 152};
 153
 154static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
 155	{ 0x1080, 0x1084 },
 156	{ 0x10a0, 0x10a4 },
 157	{ 0x10c0, 0x10c4 },
 158	{ 0x10e0, 0x10e4 },
 159	{ 0x0, 0x0 }
 160};
 161
 162/* The set of possible interrupts */
 163struct sonypi_irq_list {
 164	u16	irq;
 165	u16	bits;
 166};
 167
 168static struct sonypi_irq_list sonypi_type1_irq_list[] = {
 169	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
 170	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
 171	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
 172	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
 173};
 174
 175static struct sonypi_irq_list sonypi_type2_irq_list[] = {
 176	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
 177	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
 178	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
 179	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
 180	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
 181};
 182
 183#define SONYPI_CAMERA_BRIGHTNESS		0
 184#define SONYPI_CAMERA_CONTRAST			1
 185#define SONYPI_CAMERA_HUE			2
 186#define SONYPI_CAMERA_COLOR			3
 187#define SONYPI_CAMERA_SHARPNESS			4
 188
 189#define SONYPI_CAMERA_PICTURE			5
 190#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
 191#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
 192#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
 193#define SONYPI_CAMERA_MUTE_MASK			0x40
 194
 195/* the rest don't need a loop until not 0xff */
 196#define SONYPI_CAMERA_AGC			6
 197#define SONYPI_CAMERA_AGC_MASK			0x30
 198#define SONYPI_CAMERA_SHUTTER_MASK 		0x7
 199
 200#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
 201#define SONYPI_CAMERA_CONTROL			0x10
 202
 203#define SONYPI_CAMERA_STATUS 			7
 204#define SONYPI_CAMERA_STATUS_READY 		0x2
 205#define SONYPI_CAMERA_STATUS_POSITION		0x4
 206
 207#define SONYPI_DIRECTION_BACKWARDS 		0x4
 208
 209#define SONYPI_CAMERA_REVISION 			8
 210#define SONYPI_CAMERA_ROMVERSION 		9
 211
 212/* Event masks */
 213#define SONYPI_JOGGER_MASK			0x00000001
 214#define SONYPI_CAPTURE_MASK			0x00000002
 215#define SONYPI_FNKEY_MASK			0x00000004
 216#define SONYPI_BLUETOOTH_MASK			0x00000008
 217#define SONYPI_PKEY_MASK			0x00000010
 218#define SONYPI_BACK_MASK			0x00000020
 219#define SONYPI_HELP_MASK			0x00000040
 220#define SONYPI_LID_MASK				0x00000080
 221#define SONYPI_ZOOM_MASK			0x00000100
 222#define SONYPI_THUMBPHRASE_MASK			0x00000200
 223#define SONYPI_MEYE_MASK			0x00000400
 224#define SONYPI_MEMORYSTICK_MASK			0x00000800
 225#define SONYPI_BATTERY_MASK			0x00001000
 226
 227struct sonypi_event {
 228	u8	data;
 229	u8	event;
 230};
 231
 232/* The set of possible button release events */
 233static struct sonypi_event sonypi_releaseev[] = {
 234	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
 235	{ 0, 0 }
 236};
 237
 238/* The set of possible jogger events  */
 239static struct sonypi_event sonypi_joggerev[] = {
 240	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
 241	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
 242	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
 243	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
 244	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
 245	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
 246	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
 247	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
 248	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
 249	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
 250	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
 251	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
 252	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
 253	{ 0, 0 }
 254};
 255
 256/* The set of possible capture button events */
 257static struct sonypi_event sonypi_captureev[] = {
 258	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
 259	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
 260	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
 261	{ 0, 0 }
 262};
 263
 264/* The set of possible fnkeys events */
 265static struct sonypi_event sonypi_fnkeyev[] = {
 266	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
 267	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
 268	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
 269	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
 270	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
 271	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
 272	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
 273	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
 274	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
 275	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
 276	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
 277	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
 278	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
 279	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
 280	{ 0x21, SONYPI_EVENT_FNKEY_1 },
 281	{ 0x22, SONYPI_EVENT_FNKEY_2 },
 282	{ 0x31, SONYPI_EVENT_FNKEY_D },
 283	{ 0x32, SONYPI_EVENT_FNKEY_E },
 284	{ 0x33, SONYPI_EVENT_FNKEY_F },
 285	{ 0x34, SONYPI_EVENT_FNKEY_S },
 286	{ 0x35, SONYPI_EVENT_FNKEY_B },
 287	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
 288	{ 0, 0 }
 289};
 290
 291/* The set of possible program key events */
 292static struct sonypi_event sonypi_pkeyev[] = {
 293	{ 0x01, SONYPI_EVENT_PKEY_P1 },
 294	{ 0x02, SONYPI_EVENT_PKEY_P2 },
 295	{ 0x04, SONYPI_EVENT_PKEY_P3 },
 296	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
 297	{ 0, 0 }
 298};
 299
 300/* The set of possible bluetooth events */
 301static struct sonypi_event sonypi_blueev[] = {
 302	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
 303	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
 304	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
 305	{ 0, 0 }
 306};
 307
 308/* The set of possible back button events */
 309static struct sonypi_event sonypi_backev[] = {
 310	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
 311	{ 0, 0 }
 312};
 313
 314/* The set of possible help button events */
 315static struct sonypi_event sonypi_helpev[] = {
 316	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
 317	{ 0, 0 }
 318};
 319
 320
 321/* The set of possible lid events */
 322static struct sonypi_event sonypi_lidev[] = {
 323	{ 0x51, SONYPI_EVENT_LID_CLOSED },
 324	{ 0x50, SONYPI_EVENT_LID_OPENED },
 325	{ 0, 0 }
 326};
 327
 328/* The set of possible zoom events */
 329static struct sonypi_event sonypi_zoomev[] = {
 330	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
 331	{ 0, 0 }
 332};
 333
 334/* The set of possible thumbphrase events */
 335static struct sonypi_event sonypi_thumbphraseev[] = {
 336	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
 337	{ 0, 0 }
 338};
 339
 340/* The set of possible motioneye camera events */
 341static struct sonypi_event sonypi_meyeev[] = {
 342	{ 0x00, SONYPI_EVENT_MEYE_FACE },
 343	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
 344	{ 0, 0 }
 345};
 346
 347/* The set of possible memorystick events */
 348static struct sonypi_event sonypi_memorystickev[] = {
 349	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
 350	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
 351	{ 0, 0 }
 352};
 353
 354/* The set of possible battery events */
 355static struct sonypi_event sonypi_batteryev[] = {
 356	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
 357	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
 358	{ 0, 0 }
 359};
 360
 361static struct sonypi_eventtypes {
 362	int			model;
 363	u8			data;
 364	unsigned long		mask;
 365	struct sonypi_event *	events;
 366} sonypi_eventtypes[] = {
 367	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
 368	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
 369	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
 370	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
 371	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
 372	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 373	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 374	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
 375	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 376	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
 377
 378	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
 379	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
 380	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
 381	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
 382	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
 383	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
 384	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
 385	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
 386	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_HELP_MASK, sonypi_helpev },
 387	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
 388	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
 389	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
 390	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
 391	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
 392	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
 393
 394	{ 0 }
 395};
 396
 397#define SONYPI_BUF_SIZE	128
 398
 399/* The name of the devices for the input device drivers */
 400#define SONYPI_JOG_INPUTNAME	"Sony Vaio Jogdial"
 401#define SONYPI_KEY_INPUTNAME	"Sony Vaio Keys"
 402
 403/* Correspondance table between sonypi events and input layer events */
 404static struct {
 405	int sonypiev;
 406	int inputev;
 407} sonypi_inputkeys[] = {
 408	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
 409	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
 410	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
 411	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
 412	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
 413	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
 414	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
 415	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
 416	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
 417	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
 418	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
 419	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
 420	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
 421	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
 422	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
 423	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
 424	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
 425	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
 426	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
 427	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
 428	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
 429	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
 430	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
 431	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
 432	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
 433	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
 434	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
 435	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
 436	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
 437	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
 438	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
 439	{ 0, 0 },
 440};
 441
 442static struct sonypi_device {
 443	struct pci_dev *dev;
 444	struct platform_device *pdev;
 445	u16 irq;
 446	u16 bits;
 447	u16 ioport1;
 448	u16 ioport2;
 449	u16 region_size;
 450	u16 evtype_offset;
 451	int camera_power;
 452	int bluetooth_power;
 453	struct semaphore lock;
 454	struct kfifo *fifo;
 455	spinlock_t fifo_lock;
 456	wait_queue_head_t fifo_proc_list;
 457	struct fasync_struct *fifo_async;
 458	int open_count;
 459	int model;
 460	struct input_dev input_jog_dev;
 461	struct input_dev input_key_dev;
 462	struct work_struct input_work;
 463	struct kfifo *input_fifo;
 464	spinlock_t input_fifo_lock;
 465} sonypi_device;
 466
 467#define ITERATIONS_LONG		10000
 468#define ITERATIONS_SHORT	10
 469
 470#define wait_on_command(quiet, command, iterations) { \
 471	unsigned int n = iterations; \
 472	while (--n && (command)) \
 473		udelay(1); \
 474	if (!n && (verbose || !quiet)) \
 475		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
 476}
 477
 478#ifdef CONFIG_ACPI
 479#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
 480#else
 481#define SONYPI_ACPI_ACTIVE 0
 482#endif				/* CONFIG_ACPI */
 483
 484static int sonypi_ec_write(u8 addr, u8 value)
 485{
 486#ifdef CONFIG_ACPI_EC
 487	if (SONYPI_ACPI_ACTIVE)
 488		return ec_write(addr, value);
 489#endif
 490	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 491	outb_p(0x81, SONYPI_CST_IOPORT);
 492	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 493	outb_p(addr, SONYPI_DATA_IOPORT);
 494	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 495	outb_p(value, SONYPI_DATA_IOPORT);
 496	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 497	return 0;
 498}
 499
 500static int sonypi_ec_read(u8 addr, u8 *value)
 501{
 502#ifdef CONFIG_ACPI_EC
 503	if (SONYPI_ACPI_ACTIVE)
 504		return ec_read(addr, value);
 505#endif
 506	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
 507	outb_p(0x80, SONYPI_CST_IOPORT);
 508	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 509	outb_p(addr, SONYPI_DATA_IOPORT);
 510	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
 511	*value = inb_p(SONYPI_DATA_IOPORT);
 512	return 0;
 513}
 514
 515static int ec_read16(u8 addr, u16 *value)
 516{
 517	u8 val_lb, val_hb;
 518	if (sonypi_ec_read(addr, &val_lb))
 519		return -1;
 520	if (sonypi_ec_read(addr + 1, &val_hb))
 521		return -1;
 522	*value = val_lb | (val_hb << 8);
 523	return 0;
 524}
 525
 526/* Initializes the device - this comes from the AML code in the ACPI bios */
 527static void sonypi_type1_srs(void)
 528{
 529	u32 v;
 530
 531	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 532	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
 533	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 534
 535	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 536	v = (v & 0xFFF0FFFF) |
 537	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
 538	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 539
 540	v = inl(SONYPI_IRQ_PORT);
 541	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
 542	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
 543	outl(v, SONYPI_IRQ_PORT);
 544
 545	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 546	v = (v & 0xFF1FFFFF) | 0x00C00000;
 547	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 548}
 549
 550static void sonypi_type2_srs(void)
 551{
 552	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
 553		printk(KERN_WARNING "ec_write failed\n");
 554	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
 555		printk(KERN_WARNING "ec_write failed\n");
 556	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
 557		printk(KERN_WARNING "ec_write failed\n");
 558	udelay(10);
 559}
 560
 561/* Disables the device - this comes from the AML code in the ACPI bios */
 562static void sonypi_type1_dis(void)
 563{
 564	u32 v;
 565
 566	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
 567	v = v & 0xFF3FFFFF;
 568	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
 569
 570	v = inl(SONYPI_IRQ_PORT);
 571	v |= (0x3 << SONYPI_IRQ_SHIFT);
 572	outl(v, SONYPI_IRQ_PORT);
 573}
 574
 575static void sonypi_type2_dis(void)
 576{
 577	if (sonypi_ec_write(SONYPI_SHIB, 0))
 578		printk(KERN_WARNING "ec_write failed\n");
 579	if (sonypi_ec_write(SONYPI_SLOB, 0))
 580		printk(KERN_WARNING "ec_write failed\n");
 581	if (sonypi_ec_write(SONYPI_SIRQ, 0))
 582		printk(KERN_WARNING "ec_write failed\n");
 583}
 584
 585static u8 sonypi_call1(u8 dev)
 586{
 587	u8 v1, v2;
 588
 589	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 590	outb(dev, sonypi_device.ioport2);
 591	v1 = inb_p(sonypi_device.ioport2);
 592	v2 = inb_p(sonypi_device.ioport1);
 593	return v2;
 594}
 595
 596static u8 sonypi_call2(u8 dev, u8 fn)
 597{
 598	u8 v1;
 599
 600	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 601	outb(dev, sonypi_device.ioport2);
 602	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 603	outb(fn, sonypi_device.ioport1);
 604	v1 = inb_p(sonypi_device.ioport1);
 605	return v1;
 606}
 607
 608static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
 609{
 610	u8 v1;
 611
 612	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 613	outb(dev, sonypi_device.ioport2);
 614	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 615	outb(fn, sonypi_device.ioport1);
 616	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
 617	outb(v, sonypi_device.ioport1);
 618	v1 = inb_p(sonypi_device.ioport1);
 619	return v1;
 620}
 621
 622#if 0
 623/* Get brightness, hue etc. Unreliable... */
 624static u8 sonypi_read(u8 fn)
 625{
 626	u8 v1, v2;
 627	int n = 100;
 628
 629	while (n--) {
 630		v1 = sonypi_call2(0x8f, fn);
 631		v2 = sonypi_call2(0x8f, fn);
 632		if (v1 == v2 && v1 != 0xff)
 633			return v1;
 634	}
 635	return 0xff;
 636}
 637#endif
 638
 639/* Set brightness, hue etc */
 640static void sonypi_set(u8 fn, u8 v)
 641{
 642	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
 643}
 644
 645/* Tests if the camera is ready */
 646static int sonypi_camera_ready(void)
 647{
 648	u8 v;
 649
 650	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
 651	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
 652}
 653
 654/* Turns the camera off */
 655static void sonypi_camera_off(void)
 656{
 657	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
 658
 659	if (!sonypi_device.camera_power)
 660		return;
 661
 662	sonypi_call2(0x91, 0);
 663	sonypi_device.camera_power = 0;
 664}
 665
 666/* Turns the camera on */
 667static void sonypi_camera_on(void)
 668{
 669	int i, j;
 670
 671	if (sonypi_device.camera_power)
 672		return;
 673
 674	for (j = 5; j > 0; j--) {
 675
 676		while (sonypi_call2(0x91, 0x1))
 677			msleep(10);
 678		sonypi_call1(0x93);
 679
 680		for (i = 400; i > 0; i--) {
 681			if (sonypi_camera_ready())
 682				break;
 683			msleep(10);
 684		}
 685		if (i)
 686			break;
 687	}
 688
 689	if (j == 0) {
 690		printk(KERN_WARNING "sonypi: failed to power on camera\n");
 691		return;
 692	}
 693
 694	sonypi_set(0x10, 0x5a);
 695	sonypi_device.camera_power = 1;
 696}
 697
 698/* sets the bluetooth subsystem power state */
 699static void sonypi_setbluetoothpower(u8 state)
 700{
 701	state = !!state;
 702
 703	if (sonypi_device.bluetooth_power == state)
 704		return;
 705
 706	sonypi_call2(0x96, state);
 707	sonypi_call1(0x82);
 708	sonypi_device.bluetooth_power = state;
 709}
 710
 711static void input_keyrelease(void *data)
 712{
 713	struct input_dev *input_dev;
 714	int key;
 715
 716	while (1) {
 717		if (kfifo_get(sonypi_device.input_fifo,
 718			      (unsigned char *)&input_dev,
 719			      sizeof(input_dev)) != sizeof(input_dev))
 720			return;
 721		if (kfifo_get(sonypi_device.input_fifo,
 722			      (unsigned char *)&key,
 723			      sizeof(key)) != sizeof(key))
 724			return;
 725
 726		msleep(10);
 727		input_report_key(input_dev, key, 0);
 728		input_sync(input_dev);
 729	}
 730}
 731
 732/* Interrupt handler: some event is available */
 733static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
 734{
 735	u8 v1, v2, event = 0;
 736	int i, j;
 737
 738	v1 = inb_p(sonypi_device.ioport1);
 739	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
 740
 741	for (i = 0; sonypi_eventtypes[i].model; i++) {
 742		if (sonypi_device.model != sonypi_eventtypes[i].model)
 743			continue;
 744		if ((v2 & sonypi_eventtypes[i].data) !=
 745		    sonypi_eventtypes[i].data)
 746			continue;
 747		if (!(mask & sonypi_eventtypes[i].mask))
 748			continue;
 749		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
 750			if (v1 == sonypi_eventtypes[i].events[j].data) {
 751				event = sonypi_eventtypes[i].events[j].event;
 752				goto found;
 753			}
 754		}
 755	}
 756
 757	if (verbose)
 758		printk(KERN_WARNING
 759		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
 760		       v1, v2);
 761	/* We need to return IRQ_HANDLED here because there *are*
 762	 * events belonging to the sonypi device we don't know about,
 763	 * but we still don't want those to pollute the logs... */
 764	return IRQ_HANDLED;
 765
 766found:
 767	if (verbose > 1)
 768		printk(KERN_INFO
 769		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 770
 771	if (useinput) {
 772		struct input_dev *input_jog_dev = &sonypi_device.input_jog_dev;
 773		struct input_dev *input_key_dev = &sonypi_device.input_key_dev;
 774		switch (event) {
 775		case SONYPI_EVENT_JOGDIAL_UP:
 776		case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
 777			input_report_rel(input_jog_dev, REL_WHEEL, 1);
 778			break;
 779		case SONYPI_EVENT_JOGDIAL_DOWN:
 780		case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
 781			input_report_rel(input_jog_dev, REL_WHEEL, -1);
 782			break;
 783		case SONYPI_EVENT_JOGDIAL_PRESSED: {
 784			int key = BTN_MIDDLE;
 785			input_report_key(input_jog_dev, key, 1);
 786			kfifo_put(sonypi_device.input_fifo,
 787				  (unsigned char *)&input_jog_dev,
 788				  sizeof(input_jog_dev));
 789			kfifo_put(sonypi_device.input_fifo,
 790				  (unsigned char *)&key, sizeof(key));
 791			break;
 792		}
 793		case SONYPI_EVENT_FNKEY_RELEASED:
 794			/* Nothing, not all VAIOs generate this event */
 795			break;
 796		}
 797		input_sync(input_jog_dev);
 798
 799		for (i = 0; sonypi_inputkeys[i].sonypiev; i++) {
 800			int key;
 801
 802			if (event != sonypi_inputkeys[i].sonypiev)
 803				continue;
 804
 805			key = sonypi_inputkeys[i].inputev;
 806			input_report_key(input_key_dev, key, 1);
 807			kfifo_put(sonypi_device.input_fifo,
 808				  (unsigned char *)&input_key_dev,
 809				  sizeof(input_key_dev));
 810			kfifo_put(sonypi_device.input_fifo,
 811				  (unsigned char *)&key, sizeof(key));
 812		}
 813		input_sync(input_key_dev);
 814		schedule_work(&sonypi_device.input_work);
 815	}
 816
 817	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 818	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
 819	wake_up_interruptible(&sonypi_device.fifo_proc_list);
 820
 821	return IRQ_HANDLED;
 822}
 823
 824/* External camera command (exported to the motion eye v4l driver) */
 825int sonypi_camera_command(int command, u8 value)
 826{
 827	if (!camera)
 828		return -EIO;
 829
 830	down(&sonypi_device.lock);
 831
 832	switch (command) {
 833	case SONYPI_COMMAND_SETCAMERA:
 834		if (value)
 835			sonypi_camera_on();
 836		else
 837			sonypi_camera_off();
 838		break;
 839	case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
 840		sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
 841		break;
 842	case SONYPI_COMMAND_SETCAMERACONTRAST:
 843		sonypi_set(SONYPI_CAMERA_CONTRAST, value);
 844		break;
 845	case SONYPI_COMMAND_SETCAMERAHUE:
 846		sonypi_set(SONYPI_CAMERA_HUE, value);
 847		break;
 848	case SONYPI_COMMAND_SETCAMERACOLOR:
 849		sonypi_set(SONYPI_CAMERA_COLOR, value);
 850		break;
 851	case SONYPI_COMMAND_SETCAMERASHARPNESS:
 852		sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
 853		break;
 854	case SONYPI_COMMAND_SETCAMERAPICTURE:
 855		sonypi_set(SONYPI_CAMERA_PICTURE, value);
 856		break;
 857	case SONYPI_COMMAND_SETCAMERAAGC:
 858		sonypi_set(SONYPI_CAMERA_AGC, value);
 859		break;
 860	default:
 861		printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
 862		       command);
 863		break;
 864	}
 865	up(&sonypi_device.lock);
 866	return 0;
 867}
 868
 869EXPORT_SYMBOL(sonypi_camera_command);
 870
 871static int sonypi_misc_fasync(int fd, struct file *filp, int on)
 872{
 873	int retval;
 874
 875	retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
 876	if (retval < 0)
 877		return retval;
 878	return 0;
 879}
 880
 881static int sonypi_misc_release(struct inode *inode, struct file *file)
 882{
 883	sonypi_misc_fasync(-1, file, 0);
 884	down(&sonypi_device.lock);
 885	sonypi_device.open_count--;
 886	up(&sonypi_device.lock);
 887	return 0;
 888}
 889
 890static int sonypi_misc_open(struct inode *inode, struct file *file)
 891{
 892	down(&sonypi_device.lock);
 893	/* Flush input queue on first open */
 894	if (!sonypi_device.open_count)
 895		kfifo_reset(sonypi_device.fifo);
 896	sonypi_device.open_count++;
 897	up(&sonypi_device.lock);
 898	return 0;
 899}
 900
 901static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 902				size_t count, loff_t *pos)
 903{
 904	ssize_t ret;
 905	unsigned char c;
 906
 907	if ((kfifo_len(sonypi_device.fifo) == 0) &&
 908	    (file->f_flags & O_NONBLOCK))
 909		return -EAGAIN;
 910
 911	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
 912				       kfifo_len(sonypi_device.fifo) != 0);
 913	if (ret)
 914		return ret;
 915
 916	while (ret < count &&
 917	       (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
 918		if (put_user(c, buf++))
 919			return -EFAULT;
 920		ret++;
 921	}
 922
 923	if (ret > 0) {
 924		struct inode *inode = file->f_dentry->d_inode;
 925		inode->i_atime = current_fs_time(inode->i_sb);
 926	}
 927
 928	return ret;
 929}
 930
 931static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
 932{
 933	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
 934	if (kfifo_len(sonypi_device.fifo))
 935		return POLLIN | POLLRDNORM;
 936	return 0;
 937}
 938
 939static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
 940			     unsigned int cmd, unsigned long arg)
 941{
 942	int ret = 0;
 943	void __user *argp = (void __user *)arg;
 944	u8 val8;
 945	u16 val16;
 946
 947	down(&sonypi_device.lock);
 948	switch (cmd) {
 949	case SONYPI_IOCGBRT:
 950		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
 951			ret = -EIO;
 952			break;
 953		}
 954		if (copy_to_user(argp, &val8, sizeof(val8)))
 955			ret = -EFAULT;
 956		break;
 957	case SONYPI_IOCSBRT:
 958		if (copy_from_user(&val8, argp, sizeof(val8))) {
 959			ret = -EFAULT;
 960			break;
 961		}
 962		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
 963			ret = -EIO;
 964		break;
 965	case SONYPI_IOCGBAT1CAP:
 966		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
 967			ret = -EIO;
 968			break;
 969		}
 970		if (copy_to_user(argp, &val16, sizeof(val16)))
 971			ret = -EFAULT;
 972		break;
 973	case SONYPI_IOCGBAT1REM:
 974		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
 975			ret = -EIO;
 976			break;
 977		}
 978		if (copy_to_user(argp, &val16, sizeof(val16)))
 979			ret = -EFAULT;
 980		break;
 981	case SONYPI_IOCGBAT2CAP:
 982		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
 983			ret = -EIO;
 984			break;
 985		}
 986		if (copy_to_user(argp, &val16, sizeof(val16)))
 987			ret = -EFAULT;
 988		break;
 989	case SONYPI_IOCGBAT2REM:
 990		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
 991			ret = -EIO;
 992			break;
 993		}
 994		if (copy_to_user(argp, &val16, sizeof(val16)))
 995			ret = -EFAULT;
 996		break;
 997	case SONYPI_IOCGBATFLAGS:
 998		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
 999			ret = -EIO;
1000			break;
1001		}
1002		val8 &= 0x07;
1003		if (copy_to_user(argp, &val8, sizeof(val8)))
1004			ret = -EFAULT;
1005		break;
1006	case SONYPI_IOCGBLUE:
1007		val8 = sonypi_device.bluetooth_power;
1008		if (copy_to_user(argp, &val8, sizeof(val8)))
1009			ret = -EFAULT;
1010		break;
1011	case SONYPI_IOCSBLUE:
1012		if (copy_from_user(&val8, argp, sizeof(val8))) {
1013			ret = -EFAULT;
1014			break;
1015		}
1016		sonypi_setbluetoothpower(val8);
1017		break;
1018	/* FAN Controls */
1019	case SONYPI_IOCGFAN:
1020		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1021			ret = -EIO;
1022			break;
1023		}
1024		if (copy_to_user((u8 *)arg, &val8, sizeof(val8)))
1025			ret = -EFAULT;
1026		break;
1027	case SONYPI_IOCSFAN:
1028		if (copy_from_user(&val8, (u8 *)arg, sizeof(val8))) {
1029			ret = -EFAULT;
1030			break;
1031		}
1032		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1033			ret = -EIO;
1034		break;
1035	/* GET Temperature (useful under APM) */
1036	case SONYPI_IOCGTEMP:
1037		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1038			ret = -EIO;
1039			break;
1040		}
1041		if (copy_to_user((u8 *)arg, &val8, sizeof(val8)))
1042			ret = -EFAULT;
1043		break;
1044	default:
1045		ret = -EINVAL;
1046	}
1047	up(&sonypi_device.lock);
1048	return ret;
1049}
1050
1051static struct file_operations sonypi_misc_fops = {
1052	.owner		= THIS_MODULE,
1053	.read		= sonypi_misc_read,
1054	.poll		= sonypi_misc_poll,
1055	.open		= sonypi_misc_open,
1056	.release	= sonypi_misc_release,
1057	.fasync		= sonypi_misc_fasync,
1058	.ioctl		= sonypi_misc_ioctl,
1059};
1060
1061static struct miscdevice sonypi_misc_device = {
1062	.minor		= MISC_DYNAMIC_MINOR,
1063	.name		= "sonypi",
1064	.fops		= &sonypi_misc_fops,
1065};
1066
1067static void sonypi_enable(unsigned int camera_on)
1068{
1069	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1070		sonypi_type2_srs();
1071	else
1072		sonypi_type1_srs();
1073
1074	sonypi_call1(0x82);
1075	sonypi_call2(0x81, 0xff);
1076	sonypi_call1(compat ? 0x92 : 0x82);
1077
1078	/* Enable ACPI mode to get Fn key events */
1079	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1080		outb(0xf0, 0xb2);
1081
1082	if (camera && camera_on)
1083		sonypi_camera_on();
1084}
1085
1086static int sonypi_disable(void)
1087{
1088	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1089	if (camera)
1090		sonypi_camera_off();
1091
1092	/* disable ACPI mode */
1093	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1094		outb(0xf1, 0xb2);
1095
1096	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1097		sonypi_type2_dis();
1098	else
1099		sonypi_type1_dis();
1100	return 0;
1101}
1102
1103#ifdef CONFIG_PM
1104static int old_camera_power;
1105
1106static int sonypi_suspend(struct device *dev, u32 state, u32 level)
1107{
1108	if (level == SUSPEND_DISABLE) {
1109		old_camera_power = sonypi_device.camera_power;
1110		sonypi_disable();
1111	}
1112	return 0;
1113}
1114
1115static int sonypi_resume(struct device *dev, u32 level)
1116{
1117	if (level == RESUME_ENABLE)
1118		sonypi_enable(old_camera_power);
1119	return 0;
1120}
1121#endif
1122
1123static void sonypi_shutdown(struct device *dev)
1124{
1125	sonypi_disable();
1126}
1127
1128static struct device_driver sonypi_driver = {
1129	.name		= "sonypi",
1130	.bus		= &platform_bus_type,
1131#ifdef CONFIG_PM
1132	.suspend	= sonypi_suspend,
1133	.resume		= sonypi_resume,
1134#endif
1135	.shutdown	= sonypi_shutdown,
1136};
1137
1138static int __devinit sonypi_probe(void)
1139{
1140	int i, ret;
1141	struct sonypi_ioport_list *ioport_list;
1142	struct sonypi_irq_list *irq_list;
1143	struct pci_dev *pcidev;
1144
1145	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1146				PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1147
1148	sonypi_device.dev = pcidev;
1149	sonypi_device.model = pcidev ?
1150		SONYPI_DEVICE_MODEL_TYPE1 : SONYPI_DEVICE_MODEL_TYPE2;
1151
1152	spin_lock_init(&sonypi_device.fifo_lock);
1153	sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1154					 &sonypi_device.fifo_lock);
1155	if (IS_ERR(sonypi_device.fifo)) {
1156		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1157		ret = PTR_ERR(sonypi_device.fifo);
1158		goto out_fifo;
1159	}
1160
1161	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1162	init_MUTEX(&sonypi_device.lock);
1163	sonypi_device.bluetooth_power = -1;
1164
1165	if (pcidev && pci_enable_device(pcidev)) {
1166		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1167		ret = -EIO;
1168		goto out_pcienable;
1169	}
1170
1171	if (minor != -1)
1172		sonypi_misc_device.minor = minor;
1173	if ((ret = misc_register(&sonypi_misc_device))) {
1174		printk(KERN_ERR "sonypi: misc_register failed\n");
1175		goto out_miscreg;
1176	}
1177
1178	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1179		ioport_list = sonypi_type2_ioport_list;
1180		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1181		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1182		irq_list = sonypi_type2_irq_list;
1183	} else {
1184		ioport_list = sonypi_type1_ioport_list;
1185		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1186		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1187		irq_list = sonypi_type1_irq_list;
1188	}
1189
1190	for (i = 0; ioport_list[i].port1; i++) {
1191		if (request_region(ioport_list[i].port1,
1192				   sonypi_device.region_size,
1193				   "Sony Programable I/O Device")) {
1194			/* get the ioport */
1195			sonypi_device.ioport1 = ioport_list[i].port1;
1196			sonypi_device.ioport2 = ioport_list[i].port2;
1197			break;
1198		}
1199	}
1200	if (!sonypi_device.ioport1) {
1201		printk(KERN_ERR "sonypi: request_region failed\n");
1202		ret = -ENODEV;
1203		goto out_reqreg;
1204	}
1205
1206	for (i = 0; irq_list[i].irq; i++) {
1207
1208		sonypi_device.irq = irq_list[i].irq;
1209		sonypi_device.bits = irq_list[i].bits;
1210
1211		if (!request_irq(sonypi_device.irq, sonypi_irq,
1212				 SA_SHIRQ, "sonypi", sonypi_irq))
1213			break;
1214	}
1215
1216	if (!irq_list[i].irq) {
1217		printk(KERN_ERR "sonypi: request_irq failed\n");
1218		ret = -ENODEV;
1219		goto out_reqirq;
1220	}
1221
1222	if (useinput) {
1223		/* Initialize the Input Drivers: jogdial */
1224		int i;
1225		sonypi_device.input_jog_dev.evbit[0] =
1226			BIT(EV_KEY) | BIT(EV_REL);
1227		sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1228			BIT(BTN_MIDDLE);
1229		sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1230		sonypi_device.input_jog_dev.name =
1231			kmalloc(sizeof(SONYPI_JOG_INPUTNAME), GFP_KERNEL);
1232		if (!sonypi_device.input_jog_dev.name) {
1233			printk(KERN_ERR "sonypi: kmalloc failed\n");
1234			ret = -ENOMEM;
1235			goto out_inkmallocinput1;
1236		}
1237		sprintf(sonypi_device.input_jog_dev.name, SONYPI_JOG_INPUTNAME);
1238		sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1239		sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1240
1241		input_register_device(&sonypi_device.input_jog_dev);
1242		printk(KERN_INFO "%s input method installed.\n",
1243		       sonypi_device.input_jog_dev.name);
1244
1245		/* Initialize the Input Drivers: special keys */
1246		sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1247		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1248			if (sonypi_inputkeys[i].inputev)
1249				set_bit(sonypi_inputkeys[i].inputev,
1250					sonypi_device.input_key_dev.keybit);
1251		sonypi_device.input_key_dev.name =
1252			kmalloc(sizeof(SONYPI_KEY_INPUTNAME), GFP_KERNEL);
1253		if (!sonypi_device.input_key_dev.name) {
1254			printk(KERN_ERR "sonypi: kmalloc failed\n");
1255			ret = -ENOMEM;
1256			goto out_inkmallocinput2;
1257		}
1258		sprintf(sonypi_device.input_key_dev.name, SONYPI_KEY_INPUTNAME);
1259		sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1260		sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1261
1262		input_register_device(&sonypi_device.input_key_dev);
1263		printk(KERN_INFO "%s input method installed.\n",
1264		       sonypi_device.input_key_dev.name);
1265
1266		spin_lock_init(&sonypi_device.input_fifo_lock);
1267		sonypi_device.input_fifo =
1268			kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1269				    &sonypi_device.input_fifo_lock);
1270		if (IS_ERR(sonypi_device.input_fifo)) {
1271			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1272			ret = PTR_ERR(sonypi_device.input_fifo);
1273			goto out_infifo;
1274		}
1275
1276		INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1277	}
1278
1279	sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1280							     NULL, 0);
1281	if (IS_ERR(sonypi_device.pdev)) {
1282		ret = PTR_ERR(sonypi_device.pdev);
1283		goto out_platformdev;
1284	}
1285
1286	sonypi_enable(0);
1287
1288	printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1289	       "v%s.\n", SONYPI_DRIVER_VERSION);
1290	printk(KERN_INFO "sonypi: detected %s model, "
1291	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1292	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1293	       (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) ?
1294			"type1" : "type2",
1295	       verbose,
1296	       fnkeyinit ? "on" : "off",
1297	       camera ? "on" : "off",
1298	       compat ? "on" : "off",
1299	       mask,
1300	       useinput ? "on" : "off",
1301	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1302	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1303	       sonypi_device.irq,
1304	       sonypi_device.ioport1, sonypi_device.ioport2);
1305
1306	if (minor == -1)
1307		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1308		       sonypi_misc_device.minor);
1309
1310	return 0;
1311
1312out_platformdev:
1313	kfifo_free(sonypi_device.input_fifo);
1314out_infifo:
1315	input_unregister_device(&sonypi_device.input_key_dev);
1316	kfree(sonypi_device.input_key_dev.name);
1317out_inkmallocinput2:
1318	input_unregister_device(&sonypi_device.input_jog_dev);
1319	kfree(sonypi_device.input_jog_dev.name);
1320out_inkmallocinput1:
1321	free_irq(sonypi_device.irq, sonypi_irq);
1322out_reqirq:
1323	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1324out_reqreg:
1325	misc_deregister(&sonypi_misc_device);
1326out_miscreg:
1327	if (pcidev)
1328		pci_disable_device(pcidev);
1329out_pcienable:
1330	kfifo_free(sonypi_device.fifo);
1331out_fifo:
1332	pci_dev_put(sonypi_device.dev);
1333	return ret;
1334}
1335
1336static void __devexit sonypi_remove(void)
1337{
1338	sonypi_disable();
1339
1340	platform_device_unregister(sonypi_device.pdev);
1341
1342	if (useinput) {
1343		input_unregister_device(&sonypi_device.input_key_dev);
1344		kfree(sonypi_device.input_key_dev.name);
1345		input_unregister_device(&sonypi_device.input_jog_dev);
1346		kfree(sonypi_device.input_jog_dev.name);
1347		kfifo_free(sonypi_device.input_fifo);
1348	}
1349
1350	free_irq(sonypi_device.irq, sonypi_irq);
1351	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1352	misc_deregister(&sonypi_misc_device);
1353	if (sonypi_device.dev)
1354		pci_disable_device(sonypi_device.dev);
1355	kfifo_free(sonypi_device.fifo);
1356	pci_dev_put(sonypi_device.dev);
1357	printk(KERN_INFO "sonypi: removed.\n");
1358}
1359
1360static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1361	{
1362		.ident = "Sony Vaio",
1363		.matches = {
1364			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1365			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1366		},
1367	},
1368	{
1369		.ident = "Sony Vaio",
1370		.matches = {
1371			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1372			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1373		},
1374	},
1375	{ }
1376};
1377
1378static int __init sonypi_init(void)
1379{
1380	int ret;
1381
1382	if (!dmi_check_system(sonypi_dmi_table))
1383		return -ENODEV;
1384
1385	ret = driver_register(&sonypi_driver);
1386	if (ret)
1387		return ret;
1388
1389	ret = sonypi_probe();
1390	if (ret)
1391		driver_unregister(&sonypi_driver);
1392
1393	return ret;
1394}
1395
1396static void __exit sonypi_exit(void)
1397{
1398	driver_unregister(&sonypi_driver);
1399	sonypi_remove();
1400}
1401
1402module_init(sonypi_init);
1403module_exit(sonypi_exit);