sony-laptop.c 66.1 KB
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/*
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 * ACPI Sony Notebook Control Driver (SNC and SPIC)
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 *
 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
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 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
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 *
 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
 * which are copyrighted by their respective authors.
 *
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 * The SNY6001 driver part is based on the sonypi driver which includes
 * material from:
 *
 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
 *
 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
 *
 * Copyright (C) 2001-2002 Alcve <www.alcove.com>
 *
 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
 *
 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
 *
 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
 *
 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
 *
 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
 *
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 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/types.h>
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#include <linux/backlight.h>
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#include <linux/platform_device.h>
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#include <linux/err.h>
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#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/kfifo.h>
#include <linux/workqueue.h>
#include <linux/acpi.h>
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#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
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#include <linux/sonypi.h>
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#include <linux/sony-laptop.h>
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#ifdef CONFIG_SONYPI_COMPAT
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#include <linux/poll.h>
#include <linux/miscdevice.h>
#endif
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#define DRV_PFX			"sony-laptop: "
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#define dprintk(msg...)		do {			\
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	if (debug) printk(KERN_WARNING DRV_PFX  msg);	\
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} while (0)

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#define SONY_LAPTOP_DRIVER_VERSION	"0.5"

#define SONY_NC_CLASS		"sony-nc"
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#define SONY_NC_HID		"SNY5001"
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#define SONY_NC_DRIVER_NAME	"Sony Notebook Control Driver"
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#define SONY_PIC_CLASS		"sony-pic"
#define SONY_PIC_HID		"SNY6001"
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#define SONY_PIC_DRIVER_NAME	"Sony Programmable IO Control Driver"
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MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
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MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
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static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
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		 "the development of this driver");
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static int no_spic;		/* = 0 */
module_param(no_spic, int, 0444);
MODULE_PARM_DESC(no_spic,
		 "set this if you don't want to enable the SPIC device");

static int compat;		/* = 0 */
module_param(compat, int, 0444);
MODULE_PARM_DESC(compat,
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		 "set this if you want to enable backward compatibility mode");
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static unsigned long mask = 0xffffffff;
module_param(mask, ulong, 0644);
MODULE_PARM_DESC(mask,
		 "set this to the mask of event you want to enable (see doc)");

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static int camera;		/* = 0 */
module_param(camera, int, 0444);
MODULE_PARM_DESC(camera,
		 "set this to 1 to enable Motion Eye camera controls "
		 "(only use it if you have a C1VE or C1VN model)");

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#ifdef CONFIG_SONYPI_COMPAT
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static int minor = -1;
module_param(minor, int, 0);
MODULE_PARM_DESC(minor,
		 "minor number of the misc device for the SPIC compatibility code, "
		 "default is -1 (automatic)");
#endif

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/*********** Input Devices ***********/

#define SONY_LAPTOP_BUF_SIZE	128
struct sony_laptop_input_s {
	atomic_t		users;
	struct input_dev	*jog_dev;
	struct input_dev	*key_dev;
	struct kfifo		*fifo;
	spinlock_t		fifo_lock;
	struct workqueue_struct	*wq;
};
static struct sony_laptop_input_s sony_laptop_input = {
	.users = ATOMIC_INIT(0),
};

struct sony_laptop_keypress {
	struct input_dev *dev;
	int key;
};

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/* Correspondance table between sonypi events
 * and input layer indexes in the keymap
 */
static int sony_laptop_input_index[] = {
	-1,	/* no event */
	-1,	/* SONYPI_EVENT_JOGDIAL_DOWN */
	-1,	/* SONYPI_EVENT_JOGDIAL_UP */
	-1,	/* SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
	-1,	/* SONYPI_EVENT_JOGDIAL_UP_PRESSED */
	-1,	/* SONYPI_EVENT_JOGDIAL_PRESSED */
	-1,	/* SONYPI_EVENT_JOGDIAL_RELEASED */
	 0,	/* SONYPI_EVENT_CAPTURE_PRESSED */
	 1,	/* SONYPI_EVENT_CAPTURE_RELEASED */
	 2,	/* SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
	 3,	/* SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
	 4,	/* SONYPI_EVENT_FNKEY_ESC */
	 5,	/* SONYPI_EVENT_FNKEY_F1 */
	 6,	/* SONYPI_EVENT_FNKEY_F2 */
	 7,	/* SONYPI_EVENT_FNKEY_F3 */
	 8,	/* SONYPI_EVENT_FNKEY_F4 */
	 9,	/* SONYPI_EVENT_FNKEY_F5 */
	10,	/* SONYPI_EVENT_FNKEY_F6 */
	11,	/* SONYPI_EVENT_FNKEY_F7 */
	12,	/* SONYPI_EVENT_FNKEY_F8 */
	13,	/* SONYPI_EVENT_FNKEY_F9 */
	14,	/* SONYPI_EVENT_FNKEY_F10 */
	15,	/* SONYPI_EVENT_FNKEY_F11 */
	16,	/* SONYPI_EVENT_FNKEY_F12 */
	17,	/* SONYPI_EVENT_FNKEY_1 */
	18,	/* SONYPI_EVENT_FNKEY_2 */
	19,	/* SONYPI_EVENT_FNKEY_D */
	20,	/* SONYPI_EVENT_FNKEY_E */
	21,	/* SONYPI_EVENT_FNKEY_F */
	22,	/* SONYPI_EVENT_FNKEY_S */
	23,	/* SONYPI_EVENT_FNKEY_B */
	24,	/* SONYPI_EVENT_BLUETOOTH_PRESSED */
	25,	/* SONYPI_EVENT_PKEY_P1 */
	26,	/* SONYPI_EVENT_PKEY_P2 */
	27,	/* SONYPI_EVENT_PKEY_P3 */
	28,	/* SONYPI_EVENT_BACK_PRESSED */
	-1,	/* SONYPI_EVENT_LID_CLOSED */
	-1,	/* SONYPI_EVENT_LID_OPENED */
	29,	/* SONYPI_EVENT_BLUETOOTH_ON */
	30,	/* SONYPI_EVENT_BLUETOOTH_OFF */
	31,	/* SONYPI_EVENT_HELP_PRESSED */
	32,	/* SONYPI_EVENT_FNKEY_ONLY */
	33,	/* SONYPI_EVENT_JOGDIAL_FAST_DOWN */
	34,	/* SONYPI_EVENT_JOGDIAL_FAST_UP */
	35,	/* SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
	36,	/* SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
	37,	/* SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
	38,	/* SONYPI_EVENT_JOGDIAL_VFAST_UP */
	39,	/* SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
	40,	/* SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
	41,	/* SONYPI_EVENT_ZOOM_PRESSED */
	42,	/* SONYPI_EVENT_THUMBPHRASE_PRESSED */
	43,	/* SONYPI_EVENT_MEYE_FACE */
	44,	/* SONYPI_EVENT_MEYE_OPPOSITE */
	45,	/* SONYPI_EVENT_MEMORYSTICK_INSERT */
	46,	/* SONYPI_EVENT_MEMORYSTICK_EJECT */
	-1,	/* SONYPI_EVENT_ANYBUTTON_RELEASED */
	-1,	/* SONYPI_EVENT_BATTERY_INSERT */
	-1,	/* SONYPI_EVENT_BATTERY_REMOVE */
	-1,	/* SONYPI_EVENT_FNKEY_RELEASED */
	47,	/* SONYPI_EVENT_WIRELESS_ON */
	48,	/* SONYPI_EVENT_WIRELESS_OFF */
};

static int sony_laptop_input_keycode_map[] = {
	KEY_CAMERA,	/*  0 SONYPI_EVENT_CAPTURE_PRESSED */
	KEY_RESERVED,	/*  1 SONYPI_EVENT_CAPTURE_RELEASED */
	KEY_RESERVED,	/*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
	KEY_RESERVED,	/*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
	KEY_FN_ESC,	/*  4 SONYPI_EVENT_FNKEY_ESC */
	KEY_FN_F1,	/*  5 SONYPI_EVENT_FNKEY_F1 */
	KEY_FN_F2,	/*  6 SONYPI_EVENT_FNKEY_F2 */
	KEY_FN_F3,	/*  7 SONYPI_EVENT_FNKEY_F3 */
	KEY_FN_F4,	/*  8 SONYPI_EVENT_FNKEY_F4 */
	KEY_FN_F5,	/*  9 SONYPI_EVENT_FNKEY_F5 */
	KEY_FN_F6,	/* 10 SONYPI_EVENT_FNKEY_F6 */
	KEY_FN_F7,	/* 11 SONYPI_EVENT_FNKEY_F7 */
	KEY_FN_F8,	/* 12 SONYPI_EVENT_FNKEY_F8 */
	KEY_FN_F9,	/* 13 SONYPI_EVENT_FNKEY_F9 */
	KEY_FN_F10,	/* 14 SONYPI_EVENT_FNKEY_F10 */
	KEY_FN_F11,	/* 15 SONYPI_EVENT_FNKEY_F11 */
	KEY_FN_F12,	/* 16 SONYPI_EVENT_FNKEY_F12 */
	KEY_FN_F1,	/* 17 SONYPI_EVENT_FNKEY_1 */
	KEY_FN_F2,	/* 18 SONYPI_EVENT_FNKEY_2 */
	KEY_FN_D,	/* 19 SONYPI_EVENT_FNKEY_D */
	KEY_FN_E,	/* 20 SONYPI_EVENT_FNKEY_E */
	KEY_FN_F,	/* 21 SONYPI_EVENT_FNKEY_F */
	KEY_FN_S,	/* 22 SONYPI_EVENT_FNKEY_S */
	KEY_FN_B,	/* 23 SONYPI_EVENT_FNKEY_B */
	KEY_BLUETOOTH,	/* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
	KEY_PROG1,	/* 25 SONYPI_EVENT_PKEY_P1 */
	KEY_PROG2,	/* 26 SONYPI_EVENT_PKEY_P2 */
	KEY_PROG3,	/* 27 SONYPI_EVENT_PKEY_P3 */
	KEY_BACK,	/* 28 SONYPI_EVENT_BACK_PRESSED */
	KEY_BLUETOOTH,	/* 29 SONYPI_EVENT_BLUETOOTH_ON */
	KEY_BLUETOOTH,	/* 30 SONYPI_EVENT_BLUETOOTH_OFF */
	KEY_HELP,	/* 31 SONYPI_EVENT_HELP_PRESSED */
	KEY_FN,		/* 32 SONYPI_EVENT_FNKEY_ONLY */
	KEY_RESERVED,	/* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
	KEY_RESERVED,	/* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
	KEY_RESERVED,	/* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
	KEY_RESERVED,	/* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
	KEY_RESERVED,	/* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
	KEY_RESERVED,	/* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
	KEY_RESERVED,	/* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
	KEY_RESERVED,	/* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
	KEY_ZOOM,	/* 41 SONYPI_EVENT_ZOOM_PRESSED */
	BTN_THUMB,	/* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
	KEY_RESERVED,	/* 43 SONYPI_EVENT_MEYE_FACE */
	KEY_RESERVED,	/* 44 SONYPI_EVENT_MEYE_OPPOSITE */
	KEY_RESERVED,	/* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
	KEY_RESERVED,	/* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
	KEY_WLAN,	/* 47 SONYPI_EVENT_WIRELESS_ON */
	KEY_WLAN,	/* 48 SONYPI_EVENT_WIRELESS_OFF */
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};

/* release buttons after a short delay if pressed */
static void do_sony_laptop_release_key(struct work_struct *work)
{
	struct sony_laptop_keypress kp;

	while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
			 sizeof(kp)) == sizeof(kp)) {
		msleep(10);
		input_report_key(kp.dev, kp.key, 0);
		input_sync(kp.dev);
	}
}
static DECLARE_WORK(sony_laptop_release_key_work,
		do_sony_laptop_release_key);

/* forward event to the input subsytem */
static void sony_laptop_report_input_event(u8 event)
{
	struct input_dev *jog_dev = sony_laptop_input.jog_dev;
	struct input_dev *key_dev = sony_laptop_input.key_dev;
	struct sony_laptop_keypress kp = { NULL };

	if (event == SONYPI_EVENT_FNKEY_RELEASED) {
		/* Nothing, not all VAIOs generate this event */
		return;
	}

	/* report events */
	switch (event) {
	/* jog_dev events */
	case SONYPI_EVENT_JOGDIAL_UP:
	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
		input_report_rel(jog_dev, REL_WHEEL, 1);
		input_sync(jog_dev);
		return;

	case SONYPI_EVENT_JOGDIAL_DOWN:
	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
		input_report_rel(jog_dev, REL_WHEEL, -1);
		input_sync(jog_dev);
		return;

	/* key_dev events */
	case SONYPI_EVENT_JOGDIAL_PRESSED:
		kp.key = BTN_MIDDLE;
		kp.dev = jog_dev;
		break;

	default:
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		if (event > ARRAY_SIZE (sony_laptop_input_keycode_map)) {
			dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
			break;
		}
		if (sony_laptop_input_index[event] != -1) {
			kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
			if (kp.key != KEY_UNKNOWN)
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				kp.dev = key_dev;
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		}
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		break;
	}

	if (kp.dev) {
		input_report_key(kp.dev, kp.key, 1);
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		/* we emit the scancode so we can always remap the key */
		input_event(kp.dev, EV_MSC, MSC_SCAN, event);
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		input_sync(kp.dev);
		kfifo_put(sony_laptop_input.fifo,
			  (unsigned char *)&kp, sizeof(kp));

		if (!work_pending(&sony_laptop_release_key_work))
			queue_work(sony_laptop_input.wq,
					&sony_laptop_release_key_work);
	} else
		dprintk("unknown input event %.2x\n", event);
}

static int sony_laptop_setup_input(void)
{
	struct input_dev *jog_dev;
	struct input_dev *key_dev;
	int i;
	int error;

	/* don't run again if already initialized */
	if (atomic_add_return(1, &sony_laptop_input.users) > 1)
		return 0;

	/* kfifo */
	spin_lock_init(&sony_laptop_input.fifo_lock);
	sony_laptop_input.fifo =
		kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
			    &sony_laptop_input.fifo_lock);
	if (IS_ERR(sony_laptop_input.fifo)) {
		printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
		error = PTR_ERR(sony_laptop_input.fifo);
		goto err_dec_users;
	}

	/* init workqueue */
	sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
	if (!sony_laptop_input.wq) {
		printk(KERN_ERR DRV_PFX
				"Unabe to create workqueue.\n");
		error = -ENXIO;
		goto err_free_kfifo;
	}

	/* input keys */
	key_dev = input_allocate_device();
	if (!key_dev) {
		error = -ENOMEM;
		goto err_destroy_wq;
	}

	key_dev->name = "Sony Vaio Keys";
	key_dev->id.bustype = BUS_ISA;
	key_dev->id.vendor = PCI_VENDOR_ID_SONY;

	/* Initialize the Input Drivers: special keys */
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	set_bit(EV_KEY, key_dev->evbit);
	set_bit(EV_MSC, key_dev->evbit);
	set_bit(MSC_SCAN, key_dev->mscbit);
	key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
	key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
	key_dev->keycode = &sony_laptop_input_keycode_map;
	for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
		if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
			set_bit(sony_laptop_input_keycode_map[i],
				key_dev->keybit);
		}
	}
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	error = input_register_device(key_dev);
	if (error)
		goto err_free_keydev;

	sony_laptop_input.key_dev = key_dev;

	/* jogdial */
	jog_dev = input_allocate_device();
	if (!jog_dev) {
		error = -ENOMEM;
		goto err_unregister_keydev;
	}

	jog_dev->name = "Sony Vaio Jogdial";
	jog_dev->id.bustype = BUS_ISA;
	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;

	jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
	jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
	jog_dev->relbit[0] = BIT(REL_WHEEL);

	error = input_register_device(jog_dev);
	if (error)
		goto err_free_jogdev;

	sony_laptop_input.jog_dev = jog_dev;

	return 0;

err_free_jogdev:
	input_free_device(jog_dev);

err_unregister_keydev:
	input_unregister_device(key_dev);
	/* to avoid kref underflow below at input_free_device */
	key_dev = NULL;

err_free_keydev:
	input_free_device(key_dev);

err_destroy_wq:
	destroy_workqueue(sony_laptop_input.wq);

err_free_kfifo:
	kfifo_free(sony_laptop_input.fifo);

err_dec_users:
	atomic_dec(&sony_laptop_input.users);
	return error;
}

static void sony_laptop_remove_input(void)
{
	/* cleanup only after the last user has gone */
	if (!atomic_dec_and_test(&sony_laptop_input.users))
		return;

	/* flush workqueue first */
	flush_workqueue(sony_laptop_input.wq);

	/* destroy input devs */
	input_unregister_device(sony_laptop_input.key_dev);
	sony_laptop_input.key_dev = NULL;

	if (sony_laptop_input.jog_dev) {
		input_unregister_device(sony_laptop_input.jog_dev);
		sony_laptop_input.jog_dev = NULL;
	}

	destroy_workqueue(sony_laptop_input.wq);
	kfifo_free(sony_laptop_input.fifo);
}

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/*********** Platform Device ***********/

static atomic_t sony_pf_users = ATOMIC_INIT(0);
static struct platform_driver sony_pf_driver = {
	.driver = {
		   .name = "sony-laptop",
		   .owner = THIS_MODULE,
		   }
};
static struct platform_device *sony_pf_device;

static int sony_pf_add(void)
{
	int ret = 0;

	/* don't run again if already initialized */
	if (atomic_add_return(1, &sony_pf_users) > 1)
		return 0;

	ret = platform_driver_register(&sony_pf_driver);
	if (ret)
		goto out;

	sony_pf_device = platform_device_alloc("sony-laptop", -1);
	if (!sony_pf_device) {
		ret = -ENOMEM;
		goto out_platform_registered;
	}

	ret = platform_device_add(sony_pf_device);
	if (ret)
		goto out_platform_alloced;

	return 0;

      out_platform_alloced:
	platform_device_put(sony_pf_device);
	sony_pf_device = NULL;
      out_platform_registered:
	platform_driver_unregister(&sony_pf_driver);
      out:
	atomic_dec(&sony_pf_users);
	return ret;
}

static void sony_pf_remove(void)
{
	/* deregister only after the last user has gone */
	if (!atomic_dec_and_test(&sony_pf_users))
		return;

	platform_device_del(sony_pf_device);
	platform_device_put(sony_pf_device);
	platform_driver_unregister(&sony_pf_driver);
}

/*********** SNC (SNY5001) Device ***********/

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/* the device uses 1-based values, while the backlight subsystem uses
   0-based values */
#define SONY_MAX_BRIGHTNESS	8

#define SNC_VALIDATE_IN		0
#define SNC_VALIDATE_OUT	1

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static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
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			      char *);
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static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
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			       const char *, size_t);
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static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);

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struct sony_nc_value {
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	char *name;		/* name of the entry */
	char **acpiget;		/* names of the ACPI get function */
	char **acpiset;		/* names of the ACPI set function */
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	int (*validate)(const int, const int);	/* input/output validation */
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	int value;		/* current setting */
	int valid;		/* Has ever been set */
	int debug;		/* active only in debug mode ? */
	struct device_attribute devattr;	/* sysfs atribute */
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};

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#define SNC_HANDLE_NAMES(_name, _values...) \
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	static char *snc_##_name[] = { _values, NULL }

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#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
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	{ \
		.name		= __stringify(_name), \
		.acpiget	= _getters, \
		.acpiset	= _setters, \
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		.validate	= _validate, \
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		.debug		= _debug, \
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		.devattr	= __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
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	}
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#define SNC_HANDLE_NULL	{ .name = NULL }
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SNC_HANDLE_NAMES(fnkey_get, "GHKE");
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SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
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SNC_HANDLE_NAMES(cdpower_get, "GCDP");
SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
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SNC_HANDLE_NAMES(audiopower_get, "GAZP");
SNC_HANDLE_NAMES(audiopower_set, "AZPW");
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SNC_HANDLE_NAMES(lanpower_get, "GLNP");
SNC_HANDLE_NAMES(lanpower_set, "LNPW");
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SNC_HANDLE_NAMES(lidstate_get, "GLID");

SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");

SNC_HANDLE_NAMES(gainbass_get, "GMGB");
SNC_HANDLE_NAMES(gainbass_set, "CMGB");

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SNC_HANDLE_NAMES(PID_get, "GPID");
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SNC_HANDLE_NAMES(CTR_get, "GCTR");
SNC_HANDLE_NAMES(CTR_set, "SCTR");
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SNC_HANDLE_NAMES(PCR_get, "GPCR");
SNC_HANDLE_NAMES(PCR_set, "SPCR");
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SNC_HANDLE_NAMES(CMI_get, "GCMI");
SNC_HANDLE_NAMES(CMI_set, "SCMI");
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static struct sony_nc_value sony_nc_values[] = {
	SNC_HANDLE(brightness_default, snc_brightness_def_get,
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			snc_brightness_def_set, brightness_default_validate, 0),
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	SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
	SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
	SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
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			boolean_validate, 0),
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	SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
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			boolean_validate, 1),
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	SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
			boolean_validate, 0),
	SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
			boolean_validate, 0),
	SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
			boolean_validate, 0),
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	/* unknown methods */
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	SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
	SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
	SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
	SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
	SNC_HANDLE_NULL
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};

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static acpi_handle sony_nc_acpi_handle;
static struct acpi_device *sony_nc_acpi_device = NULL;
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/*
 * acpi_evaluate_object wrappers
 */
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static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
{
	struct acpi_buffer output;
	union acpi_object out_obj;
	acpi_status status;

	output.length = sizeof(out_obj);
	output.pointer = &out_obj;

	status = acpi_evaluate_object(handle, name, NULL, &output);
	if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
		*result = out_obj.integer.value;
		return 0;
	}

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	printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
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	return -1;
}

static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
			    int *result)
{
	struct acpi_object_list params;
	union acpi_object in_obj;
	struct acpi_buffer output;
	union acpi_object out_obj;
	acpi_status status;

	params.count = 1;
	params.pointer = &in_obj;
	in_obj.type = ACPI_TYPE_INTEGER;
	in_obj.integer.value = value;

	output.length = sizeof(out_obj);
	output.pointer = &out_obj;

	status = acpi_evaluate_object(handle, name, &params, &output);
	if (status == AE_OK) {
		if (result != NULL) {
			if (out_obj.type != ACPI_TYPE_INTEGER) {
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				printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
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				       "return type\n");
				return -1;
			}
			*result = out_obj.integer.value;
		}
		return 0;
	}

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	printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
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	return -1;
}

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/*
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 * sony_nc_values input/output validate functions
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 */

/* brightness_default_validate:
 *
 * manipulate input output values to keep consistency with the
 * backlight framework for which brightness values are 0-based.
 */
static int brightness_default_validate(const int direction, const int value)
{
	switch (direction) {
		case SNC_VALIDATE_OUT:
			return value - 1;
		case SNC_VALIDATE_IN:
			if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
				return value + 1;
	}
	return -EINVAL;
}

/* boolean_validate:
 *
 * on input validate boolean values 0/1, on output just pass the
 * received value.
 */
static int boolean_validate(const int direction, const int value)
{
	if (direction == SNC_VALIDATE_IN) {
		if (value != 0 && value != 1)
			return -EINVAL;
	}
	return value;
}

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/*
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 * Sysfs show/store common to all sony_nc_values
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 */
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static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
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			      char *buffer)
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{
	int value;
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	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
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	if (!*item->acpiget)
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		return -EIO;

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	if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
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		return -EIO;

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	if (item->validate)
		value = item->validate(SNC_VALIDATE_OUT, value);

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	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
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}

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static ssize_t sony_nc_sysfs_store(struct device *dev,
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			       struct device_attribute *attr,
			       const char *buffer, size_t count)
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{
	int value;
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	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
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	if (!item->acpiset)
		return -EIO;

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	if (count > 31)
		return -EINVAL;

	value = simple_strtoul(buffer, NULL, 10);
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	if (item->validate)
		value = item->validate(SNC_VALIDATE_IN, value);

	if (value < 0)
		return value;
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	if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
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		return -EIO;
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	item->value = value;
	item->valid = 1;
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	return count;
}

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/*
 * Backlight device
 */
static int sony_backlight_update_status(struct backlight_device *bd)
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{
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	return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
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				bd->props.brightness + 1, NULL);
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}
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static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
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	if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
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		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
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}

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static struct backlight_device *sony_backlight_device;
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static struct backlight_ops sony_backlight_ops = {
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	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
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};

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/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

static struct sony_nc_event *sony_nc_events;

/* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence
 * for Fn keys
 */
static int sony_nc_C_enable(struct dmi_system_id *id)
{
	int result = 0;

	printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident);

	sony_nc_events = id->driver_data;

	if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0
			|| acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0
			|| acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0
			|| acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0
			|| acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0
			|| acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) {
		printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some "
				"functionalities may be missing\n");
		return 1;
	}
	return 0;
}

static struct sony_nc_event sony_C_events[] = {
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x85, SONYPI_EVENT_FNKEY_F5 },
	{ 0x05, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x86, SONYPI_EVENT_FNKEY_F6 },
	{ 0x06, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x87, SONYPI_EVENT_FNKEY_F7 },
	{ 0x07, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0, 0 },
};

/* SNC-only model map */
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static struct dmi_system_id sony_nc_ids[] = {
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		{
			.ident = "Sony Vaio FE Series",
			.callback = sony_nc_C_enable,
			.driver_data = sony_C_events,
			.matches = {
				DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
				DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"),
			},
		},
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		{
			.ident = "Sony Vaio C Series",
			.callback = sony_nc_C_enable,
			.driver_data = sony_C_events,
			.matches = {
				DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
				DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"),
			},
		},
		{ }
};

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/*
 * ACPI callbacks
 */
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static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
{
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	struct sony_nc_event *evmap;
	u32 ev = event;
	int result;

	if (ev == 0x92) {
		/* read the key pressed from EC.GECR
		 * A call to SN07 with 0x0202 will do it as well respecting
		 * the current protocol on different OSes
		 *
		 * Note: the path for GECR may be
		 *   \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
		 *   \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
		 *
		 * TODO: we may want to do the same for the older GHKE -need
		 *       dmi list- so this snippet may become one more callback.
		 */
		if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
			dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
		else
			ev = result & 0xFF;
	}

	if (sony_nc_events)
		for (evmap = sony_nc_events; evmap->event; evmap++) {
			if (evmap->data == ev) {
				ev = evmap->event;
				break;
			}
		}

	dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
	sony_laptop_report_input_event(ev);
	acpi_bus_generate_event(sony_nc_acpi_device, 1, ev);
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}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
	struct acpi_namespace_node *node;
	union acpi_operand_object *operand;

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	node = (struct acpi_namespace_node *)handle;
	operand = (union acpi_operand_object *)node->object;
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	printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,
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	       (u32) operand->method.param_count);

	return AE_OK;
}

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/*
 * ACPI device
 */
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static int sony_nc_resume(struct acpi_device *device)
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{
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	struct sony_nc_value *item;
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	for (item = sony_nc_values; item->name; item++) {
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		int ret;

		if (!item->valid)
			continue;
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		ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
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				       item->value, NULL);
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		if (ret < 0) {
			printk("%s: %d\n", __FUNCTION__, ret);
			break;
		}
	}
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	/* set the last requested brightness level */
	if (sony_backlight_device &&
			!sony_backlight_update_status(sony_backlight_device))
		printk(KERN_WARNING DRV_PFX "unable to restore brightness level");

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	/* re-initialize models with specific requirements */
	dmi_check_system(sony_nc_ids);

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	return 0;
}

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static int sony_nc_add(struct acpi_device *device)
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{
	acpi_status status;
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	int result = 0;
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	acpi_handle handle;
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	struct sony_nc_value *item;
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	printk(KERN_INFO DRV_PFX "%s v%s.\n",
		SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);

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	sony_nc_acpi_device = device;
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	strcpy(acpi_device_class(device), "sony/hotkey");
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	sony_nc_acpi_handle = device->handle;
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	/* read device status */
	result = acpi_bus_get_status(device);
	/* bail IFF the above call was successful and the device is not present */
	if (!result && !device->status.present) {
		dprintk("Device not present\n");
		result = -ENODEV;
		goto outwalk;
	}

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	if (debug) {
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		status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
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					     1, sony_walk_callback, NULL, NULL);
		if (ACPI_FAILURE(status)) {
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			printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
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			result = -ENODEV;
			goto outwalk;
		}
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	}
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	/* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
	 * should be respected as we already checked for the device presence above */
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
		dprintk("Invoking _INI\n");
		if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
						NULL, NULL)))
			dprintk("_INI Method failed\n");
	}

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	/* setup input devices and helper fifo */
	result = sony_laptop_setup_input();
	if (result) {
		printk(KERN_ERR DRV_PFX
				"Unabe to create input devices.\n");
		goto outwalk;
	}

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	status = acpi_install_notify_handler(sony_nc_acpi_handle,
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					     ACPI_DEVICE_NOTIFY,
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					     sony_acpi_notify, NULL);
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	if (ACPI_FAILURE(status)) {
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		printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
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		result = -ENODEV;
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		goto outinput;
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	}

1016
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
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		sony_backlight_device = backlight_device_register("sony", NULL,
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								  NULL,
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								  &sony_backlight_ops);
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		if (IS_ERR(sony_backlight_device)) {
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			printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
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			sony_backlight_device = NULL;
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		} else {
			sony_backlight_device->props.brightness =
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			    sony_backlight_get_brightness
			    (sony_backlight_device);
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			sony_backlight_device->props.max_brightness = 
			    SONY_MAX_BRIGHTNESS - 1;
		}

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	}
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	/* initialize models with specific requirements */
	dmi_check_system(sony_nc_ids);

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	result = sony_pf_add();
	if (result)
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		goto outbacklight;
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	/* create sony_pf sysfs attributes related to the SNC device */
	for (item = sony_nc_values; item->name; ++item) {

		if (!debug && item->debug)
			continue;

		/* find the available acpiget as described in the DSDT */
		for (; item->acpiget && *item->acpiget; ++item->acpiget) {
			if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
							 *item->acpiget,
							 &handle))) {
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				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
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				item->devattr.attr.mode |= S_IRUGO;
				break;
			}
		}

		/* find the available acpiset as described in the DSDT */
		for (; item->acpiset && *item->acpiset; ++item->acpiset) {
			if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
							 *item->acpiset,
							 &handle))) {
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				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
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				item->devattr.attr.mode |= S_IWUSR;
				break;
			}
		}

		if (item->devattr.attr.mode != 0) {
			result =
			    device_create_file(&sony_pf_device->dev,
					       &item->devattr);
			if (result)
				goto out_sysfs;
		}
	}

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	return 0;

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      out_sysfs:
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
	sony_pf_remove();
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      outbacklight:
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	if (sony_backlight_device)
		backlight_device_unregister(sony_backlight_device);

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	status = acpi_remove_notify_handler(sony_nc_acpi_handle,
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					    ACPI_DEVICE_NOTIFY,
					    sony_acpi_notify);
	if (ACPI_FAILURE(status))
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		printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
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      outinput:
	sony_laptop_remove_input();

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      outwalk:
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	return result;
}

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static int sony_nc_remove(struct acpi_device *device, int type)
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{
	acpi_status status;
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	struct sony_nc_value *item;
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	if (sony_backlight_device)
		backlight_device_unregister(sony_backlight_device);

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	sony_nc_acpi_device = NULL;
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	status = acpi_remove_notify_handler(sony_nc_acpi_handle,
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					    ACPI_DEVICE_NOTIFY,
					    sony_acpi_notify);
	if (ACPI_FAILURE(status))
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		printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
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	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

	sony_pf_remove();
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	sony_laptop_remove_input();
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	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
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	return 0;
}

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static const struct acpi_device_id sony_device_ids[] = {
	{SONY_NC_HID, 0},
	{SONY_PIC_HID, 0},
	{"", 0},
};
MODULE_DEVICE_TABLE(acpi, sony_device_ids);

static const struct acpi_device_id sony_nc_device_ids[] = {
	{SONY_NC_HID, 0},
	{"", 0},
};

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static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
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	.ids = sony_nc_device_ids,
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	.owner = THIS_MODULE,
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	.ops = {
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		.add = sony_nc_add,
		.remove = sony_nc_remove,
		.resume = sony_nc_resume,
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		},
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};

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/*********** SPIC (SNY6001) Device ***********/

#define SONYPI_DEVICE_TYPE1	0x00000001
#define SONYPI_DEVICE_TYPE2	0x00000002
#define SONYPI_DEVICE_TYPE3	0x00000004

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#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
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struct sony_pic_ioport {
	struct acpi_resource_io	io;
	struct list_head	list;
};

struct sony_pic_irq {
	struct acpi_resource_irq	irq;
	struct list_head		list;
};

struct sony_pic_dev {
	int			model;
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	u16			evport_offset;
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	u8			camera_power;
	u8			bluetooth_power;
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	u8			wwan_power;
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	struct acpi_device	*acpi_dev;
	struct sony_pic_irq	*cur_irq;
	struct sony_pic_ioport	*cur_ioport;
	struct list_head	interrupts;
	struct list_head	ioports;
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	struct mutex		lock;
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};

static struct sony_pic_dev spic_dev = {
	.interrupts	= LIST_HEAD_INIT(spic_dev.interrupts),
	.ioports	= LIST_HEAD_INIT(spic_dev.ioports),
};

/* Event masks */
#define SONYPI_JOGGER_MASK			0x00000001
#define SONYPI_CAPTURE_MASK			0x00000002
#define SONYPI_FNKEY_MASK			0x00000004
#define SONYPI_BLUETOOTH_MASK			0x00000008
#define SONYPI_PKEY_MASK			0x00000010
#define SONYPI_BACK_MASK			0x00000020
#define SONYPI_HELP_MASK			0x00000040
#define SONYPI_LID_MASK				0x00000080
#define SONYPI_ZOOM_MASK			0x00000100
#define SONYPI_THUMBPHRASE_MASK			0x00000200
#define SONYPI_MEYE_MASK			0x00000400
#define SONYPI_MEMORYSTICK_MASK			0x00000800
#define SONYPI_BATTERY_MASK			0x00001000
#define SONYPI_WIRELESS_MASK			0x00002000

struct sonypi_event {
	u8	data;
	u8	event;
};

/* The set of possible button release events */
static struct sonypi_event sonypi_releaseev[] = {
	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0, 0 }
};

/* The set of possible jogger events  */
static struct sonypi_event sonypi_joggerev[] = {
	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
	{ 0, 0 }
};

/* The set of possible capture button events */
static struct sonypi_event sonypi_captureev[] = {
	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
	{ 0, 0 }
};

/* The set of possible fnkeys events */
static struct sonypi_event sonypi_fnkeyev[] = {
	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x21, SONYPI_EVENT_FNKEY_1 },
	{ 0x22, SONYPI_EVENT_FNKEY_2 },
	{ 0x31, SONYPI_EVENT_FNKEY_D },
	{ 0x32, SONYPI_EVENT_FNKEY_E },
	{ 0x33, SONYPI_EVENT_FNKEY_F },
	{ 0x34, SONYPI_EVENT_FNKEY_S },
	{ 0x35, SONYPI_EVENT_FNKEY_B },
	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
	{ 0, 0 }
};

/* The set of possible program key events */
static struct sonypi_event sonypi_pkeyev[] = {
	{ 0x01, SONYPI_EVENT_PKEY_P1 },
	{ 0x02, SONYPI_EVENT_PKEY_P2 },
	{ 0x04, SONYPI_EVENT_PKEY_P3 },
	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
	{ 0, 0 }
};

/* The set of possible bluetooth events */
static struct sonypi_event sonypi_blueev[] = {
	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
	{ 0, 0 }
};

/* The set of possible wireless events */
static struct sonypi_event sonypi_wlessev[] = {
	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
	{ 0, 0 }
};

/* The set of possible back button events */
static struct sonypi_event sonypi_backev[] = {
	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
	{ 0, 0 }
};

/* The set of possible help button events */
static struct sonypi_event sonypi_helpev[] = {
	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
	{ 0, 0 }
};


/* The set of possible lid events */
static struct sonypi_event sonypi_lidev[] = {
	{ 0x51, SONYPI_EVENT_LID_CLOSED },
	{ 0x50, SONYPI_EVENT_LID_OPENED },
	{ 0, 0 }
};

/* The set of possible zoom events */
static struct sonypi_event sonypi_zoomev[] = {
	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0, 0 }
};

/* The set of possible thumbphrase events */
static struct sonypi_event sonypi_thumbphraseev[] = {
	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
	{ 0, 0 }
};

/* The set of possible motioneye camera events */
static struct sonypi_event sonypi_meyeev[] = {
	{ 0x00, SONYPI_EVENT_MEYE_FACE },
	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
	{ 0, 0 }
};

/* The set of possible memorystick events */
static struct sonypi_event sonypi_memorystickev[] = {
	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
	{ 0, 0 }
};

/* The set of possible battery events */
static struct sonypi_event sonypi_batteryev[] = {
	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
	{ 0, 0 }
};

static struct sonypi_eventtypes {
	int			model;
	u8			data;
	unsigned long		mask;
	struct sonypi_event *	events;
} sony_pic_eventtypes[] = {
	{ SONYPI_DEVICE_TYPE1, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
	{ SONYPI_DEVICE_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
	{ SONYPI_DEVICE_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ SONYPI_DEVICE_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ SONYPI_DEVICE_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ SONYPI_DEVICE_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ SONYPI_DEVICE_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },

	{ SONYPI_DEVICE_TYPE2, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
	{ SONYPI_DEVICE_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ SONYPI_DEVICE_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ SONYPI_DEVICE_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ SONYPI_DEVICE_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ SONYPI_DEVICE_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
	{ SONYPI_DEVICE_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
	{ SONYPI_DEVICE_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ SONYPI_DEVICE_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
	{ SONYPI_DEVICE_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ SONYPI_DEVICE_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },

	{ SONYPI_DEVICE_TYPE3, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
	{ SONYPI_DEVICE_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ SONYPI_DEVICE_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0 }
};

static int sony_pic_detect_device_type(void)
{
	struct pci_dev *pcidev;
	int model = 0;

	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
		model = SONYPI_DEVICE_TYPE1;

	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
		model = SONYPI_DEVICE_TYPE3;

	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
		model = SONYPI_DEVICE_TYPE3;

	else
		model = SONYPI_DEVICE_TYPE2;

	if (pcidev)
		pci_dev_put(pcidev);

	printk(KERN_INFO DRV_PFX "detected Type%d model\n",
			model == SONYPI_DEVICE_TYPE1 ? 1 :
			model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
	return model;
}

#define ITERATIONS_LONG		10000
#define ITERATIONS_SHORT	10
#define wait_on_command(command, iterations) {				\
	unsigned int n = iterations;					\
	while (--n && (command))					\
		udelay(1);						\
	if (!n)								\
		dprintk("command failed at %s : %s (line %d)\n",	\
				__FILE__, __FUNCTION__, __LINE__);	\
}

static u8 sony_pic_call1(u8 dev)
{
	u8 v1, v2;

	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
			ITERATIONS_LONG);
	outb(dev, spic_dev.cur_ioport->io.minimum + 4);
	v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4);
	v2 = inb_p(spic_dev.cur_ioport->io.minimum);
	dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1);
	return v2;
}

static u8 sony_pic_call2(u8 dev, u8 fn)
{
	u8 v1;

	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
			ITERATIONS_LONG);
	outb(dev, spic_dev.cur_ioport->io.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
			ITERATIONS_LONG);
	outb(fn, spic_dev.cur_ioport->io.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io.minimum);
	dprintk("sony_pic_call2: 0x%.4x\n", v1);
	return v1;
}

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static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
	outb(dev, spic_dev.cur_ioport->io.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
	outb(fn, spic_dev.cur_ioport->io.minimum);
	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
	outb(v, spic_dev.cur_ioport->io.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io.minimum);
	dprintk("sony_pic_call3: 0x%.4x\n", v1);
	return v1;
}

/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
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#define SONYPI_CAMERA_BRIGHTNESS		0
#define SONYPI_CAMERA_CONTRAST			1
#define SONYPI_CAMERA_HUE			2
#define SONYPI_CAMERA_COLOR			3
#define SONYPI_CAMERA_SHARPNESS			4

#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
#define SONYPI_CAMERA_MUTE_MASK			0x40

/* the rest don't need a loop until not 0xff */
#define SONYPI_CAMERA_AGC			6
#define SONYPI_CAMERA_AGC_MASK			0x30
#define SONYPI_CAMERA_SHUTTER_MASK 		0x7

#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
#define SONYPI_CAMERA_CONTROL			0x10

#define SONYPI_CAMERA_STATUS 			7
#define SONYPI_CAMERA_STATUS_READY 		0x2
#define SONYPI_CAMERA_STATUS_POSITION		0x4

#define SONYPI_DIRECTION_BACKWARDS 		0x4

#define SONYPI_CAMERA_REVISION 			8
#define SONYPI_CAMERA_ROMVERSION 		9
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static int __sony_pic_camera_ready(void)
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{
	u8 v;

	v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
}

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static int __sony_pic_camera_off(void)
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{
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	if (!camera) {
		printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
		return -ENODEV;
	}

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	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

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	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
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}

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static int __sony_pic_camera_on(void)
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{
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	int i, j, x;

	if (!camera) {
		printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
		return -ENODEV;
	}
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	if (spic_dev.camera_power)
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		return 0;
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	for (j = 5; j > 0; j--) {

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		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
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			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
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			if (__sony_pic_camera_ready())
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				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
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		printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
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		return -ENODEV;
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	}

	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
				0x5a),
			ITERATIONS_SHORT);

	spic_dev.camera_power = 1;
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	return 0;
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}

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/* External camera command (exported to the motion eye v4l driver) */
int sony_pic_camera_command(int command, u8 value)
{
	if (!camera)
		return -EIO;

	mutex_lock(&spic_dev.lock);

	switch (command) {
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	case SONY_PIC_COMMAND_SETCAMERA:
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		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
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	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
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		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
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	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
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		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
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	case SONY_PIC_COMMAND_SETCAMERAHUE:
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		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
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	case SONY_PIC_COMMAND_SETCAMERACOLOR:
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		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
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	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
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		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
1609
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1610 1611 1612
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
1613
	case SONY_PIC_COMMAND_SETCAMERAAGC:
1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
				ITERATIONS_SHORT);
		break;
	default:
		printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
		       command);
		break;
	}
	mutex_unlock(&spic_dev.lock);
	return 0;
}
EXPORT_SYMBOL(sony_pic_camera_command);

1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
static void sony_pic_set_wwanpower(u8 state)
{
	state = !!state;
	mutex_lock(&spic_dev.lock);
	if (spic_dev.wwan_power == state) {
		mutex_unlock(&spic_dev.lock);
		return;
	}
	sony_pic_call2(0xB0, state);
	spic_dev.wwan_power = state;
	mutex_unlock(&spic_dev.lock);
}

static ssize_t sony_pic_wwanpower_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned long value;
	if (count > 31)
		return -EINVAL;

	value = simple_strtoul(buffer, NULL, 10);
	sony_pic_set_wwanpower(value);

	return count;
}

static ssize_t sony_pic_wwanpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count;
	mutex_lock(&spic_dev.lock);
	count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
	mutex_unlock(&spic_dev.lock);
	return count;
}

1665
/* bluetooth subsystem power state */
1666
static void __sony_pic_set_bluetoothpower(u8 state)
1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
{
	state = !!state;
	if (spic_dev.bluetooth_power == state)
		return;
	sony_pic_call2(0x96, state);
	sony_pic_call1(0x82);
	spic_dev.bluetooth_power = state;
}

static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned long value;
	if (count > 31)
		return -EINVAL;

	value = simple_strtoul(buffer, NULL, 10);
1685 1686 1687
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
1688 1689 1690 1691 1692 1693 1694

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
1695 1696 1697 1698 1699
	ssize_t count = 0;
	mutex_lock(&spic_dev.lock);
	count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
	mutex_unlock(&spic_dev.lock);
	return count;
1700 1701 1702 1703 1704
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
1705 1706 1707 1708 1709 1710 1711 1712 1713 1714
static int sony_pic_set_fanspeed(unsigned long value)
{
	return ec_write(SONY_PIC_FAN0_STATUS, value);
}

static int sony_pic_get_fanspeed(u8 *value)
{
	return ec_read(SONY_PIC_FAN0_STATUS, value);
}

1715 1716 1717 1718 1719 1720 1721 1722 1723
static ssize_t sony_pic_fanspeed_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned long value;
	if (count > 31)
		return -EINVAL;

	value = simple_strtoul(buffer, NULL, 10);
1724
	if (sony_pic_set_fanspeed(value))
1725 1726 1727 1728 1729 1730 1731 1732 1733
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
1734
	if (sony_pic_get_fanspeed(&value))
1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745
		return -EIO;

	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
}

#define SPIC_ATTR(_name, _mode)					\
struct device_attribute spic_attr_##_name = __ATTR(_name,	\
		_mode, sony_pic_## _name ##_show,		\
		sony_pic_## _name ##_store)

static SPIC_ATTR(bluetoothpower, 0644);
1746
static SPIC_ATTR(wwanpower, 0644);
1747 1748 1749 1750
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
1751
	&spic_attr_wwanpower.attr,
1752 1753 1754 1755 1756 1757 1758 1759
	&spic_attr_fanspeed.attr,
	NULL
};

static struct attribute_group spic_attribute_group = {
	.attrs = spic_attributes
};

1760
/******** SONYPI compatibility **********/
1761
#ifdef CONFIG_SONYPI_COMPAT
1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871

/* battery / brightness / temperature  addresses */
#define SONYPI_BAT_FLAGS	0x81
#define SONYPI_LCD_LIGHT	0x96
#define SONYPI_BAT1_PCTRM	0xa0
#define SONYPI_BAT1_LEFT	0xa2
#define SONYPI_BAT1_MAXRT	0xa4
#define SONYPI_BAT2_PCTRM	0xa8
#define SONYPI_BAT2_LEFT	0xaa
#define SONYPI_BAT2_MAXRT	0xac
#define SONYPI_BAT1_MAXTK	0xb0
#define SONYPI_BAT1_FULL	0xb2
#define SONYPI_BAT2_MAXTK	0xb8
#define SONYPI_BAT2_FULL	0xba
#define SONYPI_TEMP_STATUS	0xC1

struct sonypi_compat_s {
	struct fasync_struct	*fifo_async;
	struct kfifo		*fifo;
	spinlock_t		fifo_lock;
	wait_queue_head_t	fifo_proc_list;
	atomic_t		open_count;
};
static struct sonypi_compat_s sonypi_compat = {
	.open_count = ATOMIC_INIT(0),
};

static int sonypi_misc_fasync(int fd, struct file *filp, int on)
{
	int retval;

	retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
	if (retval < 0)
		return retval;
	return 0;
}

static int sonypi_misc_release(struct inode *inode, struct file *file)
{
	sonypi_misc_fasync(-1, file, 0);
	atomic_dec(&sonypi_compat.open_count);
	return 0;
}

static int sonypi_misc_open(struct inode *inode, struct file *file)
{
	/* Flush input queue on first open */
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
		kfifo_reset(sonypi_compat.fifo);
	return 0;
}

static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
				size_t count, loff_t *pos)
{
	ssize_t ret;
	unsigned char c;

	if ((kfifo_len(sonypi_compat.fifo) == 0) &&
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
				       kfifo_len(sonypi_compat.fifo) != 0);
	if (ret)
		return ret;

	while (ret < count &&
	       (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
		if (put_user(c, buf++))
			return -EFAULT;
		ret++;
	}

	if (ret > 0) {
		struct inode *inode = file->f_path.dentry->d_inode;
		inode->i_atime = current_fs_time(inode->i_sb);
	}

	return ret;
}

static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
{
	poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
	if (kfifo_len(sonypi_compat.fifo))
		return POLLIN | POLLRDNORM;
	return 0;
}

static int ec_read16(u8 addr, u16 *value)
{
	u8 val_lb, val_hb;
	if (ec_read(addr, &val_lb))
		return -1;
	if (ec_read(addr + 1, &val_hb))
		return -1;
	*value = val_lb | (val_hb << 8);
	return 0;
}

static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
			     unsigned int cmd, unsigned long arg)
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

1872
	mutex_lock(&spic_dev.lock);
1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955
	switch (cmd) {
	case SONYPI_IOCGBRT:
		if (sony_backlight_device == NULL) {
			ret = -EIO;
			break;
		}
		if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
			ret = -EIO;
			break;
		}
		val8 = ((value & 0xff) - 1) << 5;
		if (copy_to_user(argp, &val8, sizeof(val8)))
				ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
		if (sony_backlight_device == NULL) {
			ret = -EIO;
			break;
		}
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
		if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
				(val8 >> 5) + 1, NULL)) {
			ret = -EIO;
			break;
		}
		/* sync the backlight device status */
		sony_backlight_device->props.brightness =
		    sony_backlight_get_brightness(sony_backlight_device);
		break;
	case SONYPI_IOCGBAT1CAP:
		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT1REM:
		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT2CAP:
		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBAT2REM:
		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val16, sizeof(val16)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBATFLAGS:
		if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
			ret = -EIO;
			break;
		}
		val8 &= 0x07;
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCGBLUE:
		val8 = spic_dev.bluetooth_power;
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSBLUE:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
1956
		__sony_pic_set_bluetoothpower(val8);
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
		break;
	/* FAN Controls */
	case SONYPI_IOCGFAN:
		if (sony_pic_get_fanspeed(&val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	case SONYPI_IOCSFAN:
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
		if (sony_pic_set_fanspeed(val8))
			ret = -EIO;
		break;
	/* GET Temperature (useful under APM) */
	case SONYPI_IOCGTEMP:
		if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
			ret = -EIO;
			break;
		}
		if (copy_to_user(argp, &val8, sizeof(val8)))
			ret = -EFAULT;
		break;
	default:
		ret = -EINVAL;
	}
1987
	mutex_unlock(&spic_dev.lock);
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035
	return ret;
}

static const struct file_operations sonypi_misc_fops = {
	.owner		= THIS_MODULE,
	.read		= sonypi_misc_read,
	.poll		= sonypi_misc_poll,
	.open		= sonypi_misc_open,
	.release	= sonypi_misc_release,
	.fasync		= sonypi_misc_fasync,
	.ioctl		= sonypi_misc_ioctl,
};

static struct miscdevice sonypi_misc_device = {
	.minor		= MISC_DYNAMIC_MINOR,
	.name		= "sonypi",
	.fops		= &sonypi_misc_fops,
};

static void sonypi_compat_report_event(u8 event)
{
	kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
	kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
	wake_up_interruptible(&sonypi_compat.fifo_proc_list);
}

static int sonypi_compat_init(void)
{
	int error;

	spin_lock_init(&sonypi_compat.fifo_lock);
	sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
					 &sonypi_compat.fifo_lock);
	if (IS_ERR(sonypi_compat.fifo)) {
		printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
		return PTR_ERR(sonypi_compat.fifo);
	}

	init_waitqueue_head(&sonypi_compat.fifo_proc_list);

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
		printk(KERN_ERR DRV_PFX "misc_register failed\n");
		goto err_free_kfifo;
	}
	if (minor == -1)
2036
		printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054
		       sonypi_misc_device.minor);

	return 0;

err_free_kfifo:
	kfifo_free(sonypi_compat.fifo);
	return error;
}

static void sonypi_compat_exit(void)
{
	misc_deregister(&sonypi_misc_device);
	kfifo_free(sonypi_compat.fifo);
}
#else
static int sonypi_compat_init(void) { return 0; }
static void sonypi_compat_exit(void) { }
static void sonypi_compat_report_event(u8 event) { }
2055
#endif /* CONFIG_SONYPI_COMPAT */
2056

2057
/*
2058
 * ACPI callbacks
2059
 */
2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094
static acpi_status
sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
{
	u32 i;
	struct sony_pic_dev *dev = (struct sony_pic_dev *)context;

	switch (resource->type) {
	case ACPI_RESOURCE_TYPE_START_DEPENDENT:
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
		return AE_OK;

	case ACPI_RESOURCE_TYPE_IRQ:
		{
			struct acpi_resource_irq *p = &resource->data.irq;
			struct sony_pic_irq *interrupt = NULL;
			if (!p || !p->interrupt_count) {
				/*
				 * IRQ descriptors may have no IRQ# bits set,
				 * particularly those those w/ _STA disabled
				 */
				dprintk("Blank IRQ resource\n");
				return AE_OK;
			}
			for (i = 0; i < p->interrupt_count; i++) {
				if (!p->interrupts[i]) {
					printk(KERN_WARNING DRV_PFX
							"Invalid IRQ %d\n",
							p->interrupts[i]);
					continue;
				}
				interrupt = kzalloc(sizeof(*interrupt),
						GFP_KERNEL);
				if (!interrupt)
					return AE_ERROR;

2095
				list_add_tail(&interrupt->list, &dev->interrupts);
2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116
				interrupt->irq.triggering = p->triggering;
				interrupt->irq.polarity = p->polarity;
				interrupt->irq.sharable = p->sharable;
				interrupt->irq.interrupt_count = 1;
				interrupt->irq.interrupts[0] = p->interrupts[i];
			}
			return AE_OK;
		}
	case ACPI_RESOURCE_TYPE_IO:
		{
			struct acpi_resource_io *io = &resource->data.io;
			struct sony_pic_ioport *ioport = NULL;
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

			ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
			if (!ioport)
				return AE_ERROR;

2117
			list_add_tail(&ioport->list, &dev->ioports);
2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173
			memcpy(&ioport->io, io, sizeof(*io));
			return AE_OK;
		}
	default:
		dprintk("Resource %d isn't an IRQ nor an IO port\n",
				resource->type);

	case ACPI_RESOURCE_TYPE_END_TAG:
		return AE_OK;
	}
	return AE_CTRL_TERMINATE;
}

static int sony_pic_possible_resources(struct acpi_device *device)
{
	int result = 0;
	acpi_status status = AE_OK;

	if (!device)
		return -EINVAL;

	/* get device status */
	/* see acpi_pci_link_get_current acpi_pci_link_get_possible */
	dprintk("Evaluating _STA\n");
	result = acpi_bus_get_status(device);
	if (result) {
		printk(KERN_WARNING DRV_PFX "Unable to read status\n");
		goto end;
	}

	if (!device->status.enabled)
		dprintk("Device disabled\n");
	else
		dprintk("Device enabled\n");

	/*
	 * Query and parse 'method'
	 */
	dprintk("Evaluating %s\n", METHOD_NAME__PRS);
	status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
			sony_pic_read_possible_resource, &spic_dev);
	if (ACPI_FAILURE(status)) {
		printk(KERN_WARNING DRV_PFX
				"Failure evaluating %s\n",
				METHOD_NAME__PRS);
		result = -ENODEV;
	}
end:
	return result;
}

/*
 *  Disable the spic device by calling its _DIS method
 */
static int sony_pic_disable(struct acpi_device *device)
{
2174 2175
	if (ACPI_FAILURE(acpi_evaluate_object(device->handle,
			"_DIS", NULL, NULL)))
2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
		return -ENXIO;

	dprintk("Device disabled\n");
	return 0;
}


/*
 *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
 *
 *  Call _SRS to set current resources
 */
static int sony_pic_enable(struct acpi_device *device,
		struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
{
	acpi_status status;
	int result = 0;
	struct {
		struct acpi_resource io_res;
		struct acpi_resource irq_res;
		struct acpi_resource end;
	} *resource;
	struct acpi_buffer buffer = { 0, NULL };

	if (!ioport || !irq)
		return -EINVAL;

	/* init acpi_buffer */
	resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
	if (!resource)
		return -ENOMEM;

	buffer.length = sizeof(*resource) + 1;
	buffer.pointer = resource;

	/* setup io resource */
	resource->io_res.type = ACPI_RESOURCE_TYPE_IO;
	resource->io_res.length = sizeof(struct acpi_resource);
	memcpy(&resource->io_res.data.io, &ioport->io,
			sizeof(struct acpi_resource_io));

	/* setup irq resource */
	resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ;
	resource->irq_res.length = sizeof(struct acpi_resource);
	memcpy(&resource->irq_res.data.irq, &irq->irq,
			sizeof(struct acpi_resource_irq));
	/* we requested a shared irq */
	resource->irq_res.data.irq.sharable = ACPI_SHARED;

	resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;

	/* Attempt to set the resource */
	dprintk("Evaluating _SRS\n");
	status = acpi_set_current_resources(device->handle, &buffer);

	/* check for total failure */
	if (ACPI_FAILURE(status)) {
		printk(KERN_ERR DRV_PFX "Error evaluating _SRS");
		result = -ENODEV;
		goto end;
	}

	/* Necessary device initializations calls (from sonypi) */
	sony_pic_call1(0x82);
	sony_pic_call2(0x81, 0xff);
	sony_pic_call1(compat ? 0x92 : 0x82);

end:
	kfree(resource);
	return result;
}

/*****************
 *
 * ISR: some event is available
 *
 *****************/
static irqreturn_t sony_pic_irq(int irq, void *dev_id)
{
	int i, j;
	u8 ev = 0;
	u8 data_mask = 0;
	u8 device_event = 0;

	struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;

2262 2263
	ev = inb_p(dev->cur_ioport->io.minimum);
	data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset);
2264

2265 2266
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset);
2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293

	if (ev == 0x00 || ev == 0xff)
		return IRQ_HANDLED;

	for (i = 0; sony_pic_eventtypes[i].model; i++) {

		if (spic_dev.model != sony_pic_eventtypes[i].model)
			continue;

		if ((data_mask & sony_pic_eventtypes[i].data) !=
		    sony_pic_eventtypes[i].data)
			continue;

		if (!(mask & sony_pic_eventtypes[i].mask))
			continue;

		for (j = 0; sony_pic_eventtypes[i].events[j].event; j++) {
			if (ev == sony_pic_eventtypes[i].events[j].data) {
				device_event =
					sony_pic_eventtypes[i].events[j].event;
				goto found;
			}
		}
	}
	return IRQ_HANDLED;

found:
2294
	sony_laptop_report_input_event(device_event);
2295
	acpi_bus_generate_event(spic_dev.acpi_dev, 1, device_event);
2296
	sonypi_compat_report_event(device_event);
2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310

	return IRQ_HANDLED;
}

/*****************
 *
 *  ACPI driver
 *
 *****************/
static int sony_pic_remove(struct acpi_device *device, int type)
{
	struct sony_pic_ioport *io, *tmp_io;
	struct sony_pic_irq *irq, *tmp_irq;

2311 2312
	sonypi_compat_exit();

2313 2314 2315 2316 2317 2318 2319 2320 2321
	if (sony_pic_disable(device)) {
		printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
		return -ENXIO;
	}

	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
	release_region(spic_dev.cur_ioport->io.minimum,
			spic_dev.cur_ioport->io.address_length);

2322
	sony_laptop_remove_input();
2323

2324 2325 2326 2327
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338
	list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
		list_del(&io->list);
		kfree(io);
	}
	list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
		list_del(&irq->list);
		kfree(irq);
	}
	spic_dev.cur_ioport = NULL;
	spic_dev.cur_irq = NULL;

2339
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2340 2341 2342 2343 2344 2345 2346 2347 2348
	return 0;
}

static int sony_pic_add(struct acpi_device *device)
{
	int result;
	struct sony_pic_ioport *io, *tmp_io;
	struct sony_pic_irq *irq, *tmp_irq;

2349 2350
	printk(KERN_INFO DRV_PFX "%s v%s.\n",
		SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2351 2352 2353 2354

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
	spic_dev.model = sony_pic_detect_device_type();
2355
	mutex_init(&spic_dev.lock);
2356

2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370
	/* model specific characteristics */
	switch(spic_dev.model) {
		case SONYPI_DEVICE_TYPE1:
			spic_dev.evport_offset = SONYPI_TYPE1_OFFSET;
			break;
		case SONYPI_DEVICE_TYPE3:
			spic_dev.evport_offset = SONYPI_TYPE3_OFFSET;
			break;
		case SONYPI_DEVICE_TYPE2:
		default:
			spic_dev.evport_offset = SONYPI_TYPE2_OFFSET;
			break;
	}

2371 2372 2373 2374 2375 2376 2377 2378 2379
	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
		printk(KERN_ERR DRV_PFX
				"Unabe to read possible resources.\n");
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
2380
	result = sony_laptop_setup_input();
2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430
	if (result) {
		printk(KERN_ERR DRV_PFX
				"Unabe to create input devices.\n");
		goto err_free_resources;
	}

	/* request io port */
	list_for_each_entry(io, &spic_dev.ioports, list) {
		if (request_region(io->io.minimum, io->io.address_length,
					"Sony Programable I/O Device")) {
			dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n",
					io->io.minimum, io->io.maximum,
					io->io.address_length);
			spic_dev.cur_ioport = io;
			break;
		}
	}
	if (!spic_dev.cur_ioport) {
		printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
		result = -ENODEV;
		goto err_remove_input;
	}

	/* request IRQ */
	list_for_each_entry(irq, &spic_dev.interrupts, list) {
		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
					IRQF_SHARED, "sony-laptop", &spic_dev)) {
			dprintk("IRQ: %d - triggering: %d - "
					"polarity: %d - shr: %d\n",
					irq->irq.interrupts[0],
					irq->irq.triggering,
					irq->irq.polarity,
					irq->irq.sharable);
			spic_dev.cur_irq = irq;
			break;
		}
	}
	if (!spic_dev.cur_irq) {
		printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
		result = -ENODEV;
		goto err_release_region;
	}

	/* set resource status _SRS */
	result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
	if (result) {
		printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
		goto err_free_irq;
	}

2431 2432 2433 2434 2435 2436 2437 2438 2439 2440
	spic_dev.bluetooth_power = -1;
	/* create device attributes */
	result = sony_pf_add();
	if (result)
		goto err_disable_device;

	result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	if (result)
		goto err_remove_pf;

2441 2442 2443
	if (sonypi_compat_init())
		goto err_remove_pf;

2444 2445
	return 0;

2446 2447 2448 2449 2450 2451
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

2452 2453 2454 2455 2456 2457 2458 2459
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
	release_region(spic_dev.cur_ioport->io.minimum,
			spic_dev.cur_ioport->io.address_length);

err_remove_input:
2460
	sony_laptop_remove_input();
2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489

err_free_resources:
	list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
		list_del(&io->list);
		kfree(io);
	}
	list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
		list_del(&irq->list);
		kfree(irq);
	}
	spic_dev.cur_ioport = NULL;
	spic_dev.cur_irq = NULL;

	return result;
}

static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
{
	if (sony_pic_disable(device))
		return -ENXIO;
	return 0;
}

static int sony_pic_resume(struct acpi_device *device)
{
	sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
	return 0;
}

2490 2491 2492 2493 2494
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

2495 2496 2497
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
2498
	.ids = sony_pic_device_ids,
2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525
	.owner = THIS_MODULE,
	.ops = {
		.add = sony_pic_add,
		.remove = sony_pic_remove,
		.suspend = sony_pic_suspend,
		.resume = sony_pic_resume,
		},
};

static struct dmi_system_id __initdata sonypi_dmi_table[] = {
	{
		.ident = "Sony Vaio",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
		},
	},
	{
		.ident = "Sony Vaio",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
		},
	},
	{ }
};

2526
static int __init sony_laptop_init(void)
2527
{
2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551
	int result;

	if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
		result = acpi_bus_register_driver(&sony_pic_driver);
		if (result) {
			printk(KERN_ERR DRV_PFX
					"Unable to register SPIC driver.");
			goto out;
		}
	}

	result = acpi_bus_register_driver(&sony_nc_driver);
	if (result) {
		printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
		goto out_unregister_pic;
	}

	return 0;

out_unregister_pic:
	if (!no_spic)
		acpi_bus_unregister_driver(&sony_pic_driver);
out:
	return result;
2552 2553
}

2554
static void __exit sony_laptop_exit(void)
2555
{
2556
	acpi_bus_unregister_driver(&sony_nc_driver);
2557 2558
	if (!no_spic)
		acpi_bus_unregister_driver(&sony_pic_driver);
2559 2560
}

2561 2562
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);