sony-laptop.c 77.9 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) 2007-2009 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>
 *
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 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
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 *
 * 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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#include <linux/rfkill.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	"0.6"
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#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"
86

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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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enum sony_nc_rfkill {
	SONY_WIFI,
	SONY_BLUETOOTH,
	SONY_WWAN,
	SONY_WIMAX,
	SONY_RFKILL_MAX,
};

static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
static void sony_nc_rfkill_update(void);

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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;
};
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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[] = {
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	-1,	/*  0 no event */
	-1,	/*  1 SONYPI_EVENT_JOGDIAL_DOWN */
	-1,	/*  2 SONYPI_EVENT_JOGDIAL_UP */
	-1,	/*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
	-1,	/*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
	-1,	/*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
	-1,	/*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
	 0,	/*  7 SONYPI_EVENT_CAPTURE_PRESSED */
	 1,	/*  8 SONYPI_EVENT_CAPTURE_RELEASED */
	 2,	/*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
	 3,	/* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
	 4,	/* 11 SONYPI_EVENT_FNKEY_ESC */
	 5,	/* 12 SONYPI_EVENT_FNKEY_F1 */
	 6,	/* 13 SONYPI_EVENT_FNKEY_F2 */
	 7,	/* 14 SONYPI_EVENT_FNKEY_F3 */
	 8,	/* 15 SONYPI_EVENT_FNKEY_F4 */
	 9,	/* 16 SONYPI_EVENT_FNKEY_F5 */
	10,	/* 17 SONYPI_EVENT_FNKEY_F6 */
	11,	/* 18 SONYPI_EVENT_FNKEY_F7 */
	12,	/* 19 SONYPI_EVENT_FNKEY_F8 */
	13,	/* 20 SONYPI_EVENT_FNKEY_F9 */
	14,	/* 21 SONYPI_EVENT_FNKEY_F10 */
	15,	/* 22 SONYPI_EVENT_FNKEY_F11 */
	16,	/* 23 SONYPI_EVENT_FNKEY_F12 */
	17,	/* 24 SONYPI_EVENT_FNKEY_1 */
	18,	/* 25 SONYPI_EVENT_FNKEY_2 */
	19,	/* 26 SONYPI_EVENT_FNKEY_D */
	20,	/* 27 SONYPI_EVENT_FNKEY_E */
	21,	/* 28 SONYPI_EVENT_FNKEY_F */
	22,	/* 29 SONYPI_EVENT_FNKEY_S */
	23,	/* 30 SONYPI_EVENT_FNKEY_B */
	24,	/* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
	25,	/* 32 SONYPI_EVENT_PKEY_P1 */
	26,	/* 33 SONYPI_EVENT_PKEY_P2 */
	27,	/* 34 SONYPI_EVENT_PKEY_P3 */
	28,	/* 35 SONYPI_EVENT_BACK_PRESSED */
	-1,	/* 36 SONYPI_EVENT_LID_CLOSED */
	-1,	/* 37 SONYPI_EVENT_LID_OPENED */
	29,	/* 38 SONYPI_EVENT_BLUETOOTH_ON */
	30,	/* 39 SONYPI_EVENT_BLUETOOTH_OFF */
	31,	/* 40 SONYPI_EVENT_HELP_PRESSED */
	32,	/* 41 SONYPI_EVENT_FNKEY_ONLY */
	33,	/* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
	34,	/* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
	35,	/* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
	36,	/* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
	37,	/* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
	38,	/* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
	39,	/* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
	40,	/* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
	41,	/* 50 SONYPI_EVENT_ZOOM_PRESSED */
	42,	/* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
	43,	/* 52 SONYPI_EVENT_MEYE_FACE */
	44,	/* 53 SONYPI_EVENT_MEYE_OPPOSITE */
	45,	/* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
	46,	/* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
	-1,	/* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
	-1,	/* 57 SONYPI_EVENT_BATTERY_INSERT */
	-1,	/* 58 SONYPI_EVENT_BATTERY_REMOVE */
	-1,	/* 59 SONYPI_EVENT_FNKEY_RELEASED */
	47,	/* 60 SONYPI_EVENT_WIRELESS_ON */
	48,	/* 61 SONYPI_EVENT_WIRELESS_OFF */
	49,	/* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
	50,	/* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
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	51,	/* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
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	52,	/* 65 SONYPI_EVENT_MODEKEY_PRESSED */
	53,	/* 66 SONYPI_EVENT_PKEY_P4 */
	54,	/* 67 SONYPI_EVENT_PKEY_P5 */
	55,	/* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
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	56,	/* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
	57,	/* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
	-1,	/* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
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};

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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	KEY_ZOOMIN,	/* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
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	KEY_ZOOMOUT,	/* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
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	KEY_EJECTCD,	/* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
	KEY_F13,	/* 52 SONYPI_EVENT_MODEKEY_PRESSED */
	KEY_PROG4,	/* 53 SONYPI_EVENT_PKEY_P4 */
	KEY_F14,	/* 54 SONYPI_EVENT_PKEY_P5 */
	KEY_F15,	/* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
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	KEY_VOLUMEUP,	/* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
	KEY_VOLUMEDOWN,	/* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
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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);

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/* forward event to the input subsystem */
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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_index)) {
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			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);
}

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static int sony_laptop_setup_input(struct acpi_device *acpi_device)
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{
	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
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				"Unable to create workqueue.\n");
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		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;
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	key_dev->dev.parent = &acpi_device->dev;
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	/* 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;
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	key_dev->dev.parent = &acpi_device->dev;
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	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
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	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);
}

505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562
/*********** 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 ***********/

563 564 565 566 567 568 569
/* 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

570
static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
L
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571
			      char *);
572
static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
L
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573
			       const char *, size_t);
574 575 576
static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);

577
struct sony_nc_value {
L
Len Brown 已提交
578 579 580
	char *name;		/* name of the entry */
	char **acpiget;		/* names of the ACPI get function */
	char **acpiset;		/* names of the ACPI set function */
581
	int (*validate)(const int, const int);	/* input/output validation */
L
Len Brown 已提交
582 583 584 585
	int value;		/* current setting */
	int valid;		/* Has ever been set */
	int debug;		/* active only in debug mode ? */
	struct device_attribute devattr;	/* sysfs atribute */
586 587
};

588
#define SNC_HANDLE_NAMES(_name, _values...) \
589 590
	static char *snc_##_name[] = { _values, NULL }

591
#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
592 593 594 595
	{ \
		.name		= __stringify(_name), \
		.acpiget	= _getters, \
		.acpiset	= _setters, \
596
		.validate	= _validate, \
597
		.debug		= _debug, \
598
		.devattr	= __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
599
	}
600

601
#define SNC_HANDLE_NULL	{ .name = NULL }
602

603
SNC_HANDLE_NAMES(fnkey_get, "GHKE");
604

605 606
SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
607

608 609
SNC_HANDLE_NAMES(cdpower_get, "GCDP");
SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
610

611 612
SNC_HANDLE_NAMES(audiopower_get, "GAZP");
SNC_HANDLE_NAMES(audiopower_set, "AZPW");
613

614 615
SNC_HANDLE_NAMES(lanpower_get, "GLNP");
SNC_HANDLE_NAMES(lanpower_set, "LNPW");
616

617 618 619 620 621 622 623 624
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");

625
SNC_HANDLE_NAMES(PID_get, "GPID");
626

627 628
SNC_HANDLE_NAMES(CTR_get, "GCTR");
SNC_HANDLE_NAMES(CTR_set, "SCTR");
629

630 631
SNC_HANDLE_NAMES(PCR_get, "GPCR");
SNC_HANDLE_NAMES(PCR_set, "SPCR");
632

633 634
SNC_HANDLE_NAMES(CMI_get, "GCMI");
SNC_HANDLE_NAMES(CMI_set, "SCMI");
635

636 637
static struct sony_nc_value sony_nc_values[] = {
	SNC_HANDLE(brightness_default, snc_brightness_def_get,
638
			snc_brightness_def_set, brightness_default_validate, 0),
639 640 641
	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,
642
			boolean_validate, 0),
643
	SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
644
			boolean_validate, 1),
645 646 647 648 649 650
	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),
651
	/* unknown methods */
652 653 654 655 656
	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
657 658
};

659 660
static acpi_handle sony_nc_acpi_handle;
static struct acpi_device *sony_nc_acpi_device = NULL;
661

662 663 664
/*
 * acpi_evaluate_object wrappers
 */
665 666 667 668 669 670 671 672 673 674 675 676 677 678 679
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;
	}

680
	printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705

	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) {
706
				printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
707 708 709 710 711 712 713 714
				       "return type\n");
				return -1;
			}
			*result = out_obj.integer.value;
		}
		return 0;
	}

715
	printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
716 717 718 719

	return -1;
}

720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744
static int sony_find_snc_handle(int handle)
{
	int i;
	int result;

	for (i = 0x20; i < 0x30; i++) {
		acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
		if (result == handle)
			return i-0x20;
	}

	return -1;
}

static int sony_call_snc_handle(int handle, int argument, int *result)
{
	int offset = sony_find_snc_handle(handle);

	if (offset < 0)
		return -1;

	return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
				result);
}

745
/*
746
 * sony_nc_values input/output validate functions
747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
 */

/* 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;
}

780
/*
781
 * Sysfs show/store common to all sony_nc_values
782
 */
783
static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
L
Len Brown 已提交
784
			      char *buffer)
785 786
{
	int value;
787 788
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
789

790
	if (!*item->acpiget)
791 792
		return -EIO;

793
	if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
794 795
		return -EIO;

796 797 798
	if (item->validate)
		value = item->validate(SNC_VALIDATE_OUT, value);

799
	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
800 801
}

802
static ssize_t sony_nc_sysfs_store(struct device *dev,
L
Len Brown 已提交
803 804
			       struct device_attribute *attr,
			       const char *buffer, size_t count)
805 806
{
	int value;
807 808
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
809 810 811 812

	if (!item->acpiset)
		return -EIO;

813 814 815 816
	if (count > 31)
		return -EINVAL;

	value = simple_strtoul(buffer, NULL, 10);
817

818 819 820 821 822
	if (item->validate)
		value = item->validate(SNC_VALIDATE_IN, value);

	if (value < 0)
		return value;
823

824
	if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
825
		return -EIO;
826 827
	item->value = value;
	item->valid = 1;
828 829 830
	return count;
}

831

832 833 834 835
/*
 * Backlight device
 */
static int sony_backlight_update_status(struct backlight_device *bd)
836
{
837
	return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
838
				bd->props.brightness + 1, NULL);
839
}
840

841 842 843
static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
844

845
	if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
846 847 848
		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
849 850
}

851
static struct backlight_device *sony_backlight_device;
852
static struct backlight_ops sony_backlight_ops = {
L
Len Brown 已提交
853 854
	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
855 856
};

857 858 859 860 861 862 863 864
/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

865
static struct sony_nc_event sony_100_events[] = {
866 867
	{ 0x90, SONYPI_EVENT_PKEY_P1 },
	{ 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
868
	{ 0x91, SONYPI_EVENT_PKEY_P2 },
869
	{ 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
870 871
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
872 873 874 875 876 877
	{ 0x82, SONYPI_EVENT_FNKEY_F2 },
	{ 0x02, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x83, SONYPI_EVENT_FNKEY_F3 },
	{ 0x03, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x84, SONYPI_EVENT_FNKEY_F4 },
	{ 0x04, SONYPI_EVENT_FNKEY_RELEASED },
878 879 880 881 882 883
	{ 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 },
884 885
	{ 0x89, SONYPI_EVENT_FNKEY_F9 },
	{ 0x09, SONYPI_EVENT_FNKEY_RELEASED },
886 887 888 889
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
890 891
	{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
892 893 894
	{ 0, 0 },
};

895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913
static struct sony_nc_event sony_127_events[] = {
	{ 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
	{ 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x82, SONYPI_EVENT_PKEY_P1 },
	{ 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x83, SONYPI_EVENT_PKEY_P2 },
	{ 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x84, SONYPI_EVENT_PKEY_P3 },
	{ 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x85, SONYPI_EVENT_PKEY_P4 },
	{ 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x86, SONYPI_EVENT_PKEY_P5 },
	{ 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
	{ 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0, 0 },
};

914 915 916
/*
 * ACPI callbacks
 */
917 918
static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
{
919 920 921
	u32 ev = event;
	int result;

922 923
	if (ev >= 0x90) {
		/* New-style event */
924
		int key_handle = 0;
925 926
		ev -= 0x90;

927 928 929 930 931
		if (sony_find_snc_handle(0x100) == ev)
			key_handle = 0x100;
		if (sony_find_snc_handle(0x127) == ev)
			key_handle = 0x127;

932
		if (key_handle) {
933
			struct sony_nc_event *key_event;
934

935 936 937 938
			if (sony_call_snc_handle(key_handle, 0x200, &result))
				dprintk("sony_acpi_notify, unable to decode"
					" event 0x%.2x 0x%.2x\n", key_handle,
					ev);
939 940 941
			else
				ev = result & 0xFF;

942 943 944 945 946 947 948 949
			if (key_handle == 0x100)
				key_event = sony_100_events;
			else
				key_event = sony_127_events;

			for (; key_event->data; key_event++) {
				if (key_event->data == ev) {
					ev = key_event->event;
950 951
					break;
				}
952 953
			}

954
			if (!key_event->data) {
955
				printk(KERN_INFO DRV_PFX
956 957 958
				       "Unknown event: 0x%x 0x%x\n", key_handle,
				       ev);
			}
959 960 961
		} else if (sony_find_snc_handle(0x124) == ev) {
			sony_nc_rfkill_update();
			return;
962
		}
963 964
	}

965 966
	dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
	sony_laptop_report_input_event(ev);
967
	acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
968 969 970 971 972
}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
973 974
	struct acpi_device_info *info;
	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
975

976 977
	if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
		info = buffer.pointer;
978

979 980 981 982 983
		printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
			(char *)&info->name, info->param_count);

		kfree(buffer.pointer);
	}
984 985 986 987

	return AE_OK;
}

988 989 990
/*
 * ACPI device
 */
991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
static int sony_nc_function_setup(struct acpi_device *device)
{
	int result;

	/* Enable all events */
	acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);

	/* Setup hotkeys */
	sony_call_snc_handle(0x0100, 0, &result);
	sony_call_snc_handle(0x0101, 0, &result);
	sony_call_snc_handle(0x0102, 0x100, &result);

	return 0;
}

1006
static int sony_nc_resume(struct acpi_device *device)
1007
{
1008
	struct sony_nc_value *item;
1009
	acpi_handle handle;
1010

1011
	for (item = sony_nc_values; item->name; item++) {
1012 1013 1014 1015
		int ret;

		if (!item->valid)
			continue;
1016
		ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
L
Len Brown 已提交
1017
				       item->value, NULL);
1018
		if (ret < 0) {
1019
			printk("%s: %d\n", __func__, ret);
1020 1021 1022
			break;
		}
	}
1023

1024 1025 1026 1027 1028 1029
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
		if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
			dprintk("ECON Method failed\n");
	}

1030 1031 1032 1033 1034 1035
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
		sony_nc_function_setup(device);
	}

1036 1037 1038
	/* set the last requested brightness level */
	if (sony_backlight_device &&
			!sony_backlight_update_status(sony_backlight_device))
1039
		printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1040

1041 1042 1043
	return 0;
}

1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
static void sony_nc_rfkill_cleanup(void)
{
	int i;

	for (i = 0; i < SONY_RFKILL_MAX; i++) {
		if (sony_rfkill_devices[i])
			rfkill_unregister(sony_rfkill_devices[i]);
	}
}

static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
{
	int result;
	int argument = sony_rfkill_address[(long) data];

	sony_call_snc_handle(0x124, 0x200, &result);
	if (result & 0x1) {
		sony_call_snc_handle(0x124, argument, &result);
		if (result & 0xf)
			*state = RFKILL_STATE_UNBLOCKED;
		else
			*state = RFKILL_STATE_SOFT_BLOCKED;
	} else {
		*state = RFKILL_STATE_HARD_BLOCKED;
	}

	return 0;
}

static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
{
	int result;
	int argument = sony_rfkill_address[(long) data] + 0x100;

	if (state == RFKILL_STATE_UNBLOCKED)
		argument |= 0xff0000;

	return sony_call_snc_handle(0x124, argument, &result);
}

static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
{
	int err = 0;
	struct rfkill *sony_wifi_rfkill;

	sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
	if (!sony_wifi_rfkill)
		return -1;
	sony_wifi_rfkill->name = "sony-wifi";
	sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
	sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
	sony_wifi_rfkill->user_claim_unsupported = 1;
	sony_wifi_rfkill->data = (void *)SONY_WIFI;
	err = rfkill_register(sony_wifi_rfkill);
	if (err)
		rfkill_free(sony_wifi_rfkill);
	else
		sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
	return err;
}

static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
{
	int err = 0;
	struct rfkill *sony_bluetooth_rfkill;

	sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
						RFKILL_TYPE_BLUETOOTH);
	if (!sony_bluetooth_rfkill)
		return -1;
	sony_bluetooth_rfkill->name = "sony-bluetooth";
	sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
	sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
	sony_bluetooth_rfkill->user_claim_unsupported = 1;
	sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
	err = rfkill_register(sony_bluetooth_rfkill);
	if (err)
		rfkill_free(sony_bluetooth_rfkill);
	else
		sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
	return err;
}

static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
{
	int err = 0;
	struct rfkill *sony_wwan_rfkill;

	sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
	if (!sony_wwan_rfkill)
		return -1;
	sony_wwan_rfkill->name = "sony-wwan";
	sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
	sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
	sony_wwan_rfkill->user_claim_unsupported = 1;
	sony_wwan_rfkill->data = (void *)SONY_WWAN;
	err = rfkill_register(sony_wwan_rfkill);
	if (err)
		rfkill_free(sony_wwan_rfkill);
	else
		sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
	return err;
}

static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
{
	int err = 0;
	struct rfkill *sony_wimax_rfkill;

	sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
	if (!sony_wimax_rfkill)
		return -1;
	sony_wimax_rfkill->name = "sony-wimax";
	sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
	sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
	sony_wimax_rfkill->user_claim_unsupported = 1;
	sony_wimax_rfkill->data = (void *)SONY_WIMAX;
	err = rfkill_register(sony_wimax_rfkill);
	if (err)
		rfkill_free(sony_wimax_rfkill);
	else
		sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
	return err;
}

static void sony_nc_rfkill_update()
{
	int i;
	enum rfkill_state state;

	for (i = 0; i < SONY_RFKILL_MAX; i++) {
		if (sony_rfkill_devices[i]) {
			sony_rfkill_devices[i]->
				get_state(sony_rfkill_devices[i]->data,
					  &state);
			rfkill_force_state(sony_rfkill_devices[i], state);
		}
	}
}

static int sony_nc_rfkill_setup(struct acpi_device *device)
{
	int result, ret;

	if (sony_find_snc_handle(0x124) == -1)
		return -1;

	ret = sony_call_snc_handle(0x124, 0xb00, &result);
	if (ret) {
		printk(KERN_INFO DRV_PFX
		       "Unable to enumerate rfkill devices: %x\n", ret);
		return ret;
	}

	if (result & 0x1)
		sony_nc_setup_wifi_rfkill(device);
	if (result & 0x2)
		sony_nc_setup_bluetooth_rfkill(device);
	if (result & 0x1c)
		sony_nc_setup_wwan_rfkill(device);
	if (result & 0x20)
		sony_nc_setup_wimax_rfkill(device);

	return 0;
}

1210
static int sony_nc_add(struct acpi_device *device)
1211 1212
{
	acpi_status status;
1213
	int result = 0;
1214
	acpi_handle handle;
1215
	struct sony_nc_value *item;
1216

1217 1218 1219
	printk(KERN_INFO DRV_PFX "%s v%s.\n",
		SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);

1220
	sony_nc_acpi_device = device;
1221
	strcpy(acpi_device_class(device), "sony/hotkey");
1222

1223
	sony_nc_acpi_handle = device->handle;
1224

1225 1226 1227 1228 1229 1230 1231 1232 1233
	/* 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;
	}

1234
	if (debug) {
1235
		status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1236 1237
					     1, sony_walk_callback, NULL, NULL);
		if (ACPI_FAILURE(status)) {
1238
			printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1239 1240 1241
			result = -ENODEV;
			goto outwalk;
		}
1242
	}
1243

1244 1245 1246 1247 1248 1249 1250 1251 1252
	/* 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");
	}

1253 1254 1255 1256 1257 1258
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
		if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
			dprintk("ECON Method failed\n");
	}

1259 1260 1261 1262
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
		sony_nc_function_setup(device);
1263
		sony_nc_rfkill_setup(device);
1264 1265
	}

1266
	/* setup input devices and helper fifo */
1267
	result = sony_laptop_setup_input(device);
1268 1269
	if (result) {
		printk(KERN_ERR DRV_PFX
1270
				"Unable to create input devices.\n");
1271 1272 1273
		goto outwalk;
	}

1274
	status = acpi_install_notify_handler(sony_nc_acpi_handle,
1275
					     ACPI_DEVICE_NOTIFY,
L
Len Brown 已提交
1276
					     sony_acpi_notify, NULL);
1277
	if (ACPI_FAILURE(status)) {
1278
		printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1279
		result = -ENODEV;
1280
		goto outinput;
1281 1282
	}

1283
	if (acpi_video_backlight_support()) {
A
Alessandro Guido 已提交
1284
		printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1285 1286 1287
		       "controlled by ACPI video driver\n");
	} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
						&handle))) {
1288
		sony_backlight_device = backlight_device_register("sony", NULL,
L
Len Brown 已提交
1289
								  NULL,
1290
								  &sony_backlight_ops);
1291

L
Len Brown 已提交
1292
		if (IS_ERR(sony_backlight_device)) {
1293
			printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1294
			sony_backlight_device = NULL;
1295 1296
		} else {
			sony_backlight_device->props.brightness =
L
Len Brown 已提交
1297 1298
			    sony_backlight_get_brightness
			    (sony_backlight_device);
1299
			sony_backlight_device->props.max_brightness =
1300 1301 1302
			    SONY_MAX_BRIGHTNESS - 1;
		}

1303
	}
1304

1305 1306
	result = sony_pf_add();
	if (result)
1307
		goto outbacklight;
1308

1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319
	/* 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))) {
1320 1321
				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
1322 1323 1324 1325 1326 1327 1328 1329 1330 1331
				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))) {
1332 1333
				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347
				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;
		}
	}

1348 1349
	return 0;

1350 1351 1352 1353 1354
      out_sysfs:
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
	sony_pf_remove();
1355

L
Len Brown 已提交
1356
      outbacklight:
1357 1358 1359
	if (sony_backlight_device)
		backlight_device_unregister(sony_backlight_device);

1360
	status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1361 1362 1363
					    ACPI_DEVICE_NOTIFY,
					    sony_acpi_notify);
	if (ACPI_FAILURE(status))
1364
		printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1365 1366 1367 1368

      outinput:
	sony_laptop_remove_input();

L
Len Brown 已提交
1369
      outwalk:
1370
	sony_nc_rfkill_cleanup();
1371 1372 1373
	return result;
}

1374
static int sony_nc_remove(struct acpi_device *device, int type)
1375 1376
{
	acpi_status status;
1377
	struct sony_nc_value *item;
1378

1379 1380 1381
	if (sony_backlight_device)
		backlight_device_unregister(sony_backlight_device);

1382
	sony_nc_acpi_device = NULL;
1383

1384
	status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1385 1386 1387
					    ACPI_DEVICE_NOTIFY,
					    sony_acpi_notify);
	if (ACPI_FAILURE(status))
1388
		printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1389

1390 1391 1392 1393 1394
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

	sony_pf_remove();
1395
	sony_laptop_remove_input();
1396
	sony_nc_rfkill_cleanup();
1397
	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1398 1399 1400 1401

	return 0;
}

1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413
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},
};

1414 1415 1416
static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
1417
	.ids = sony_nc_device_ids,
1418
	.owner = THIS_MODULE,
L
Len Brown 已提交
1419
	.ops = {
1420 1421 1422
		.add = sony_nc_add,
		.remove = sony_nc_remove,
		.resume = sony_nc_resume,
L
Len Brown 已提交
1423
		},
1424 1425
};

1426 1427 1428 1429 1430
/*********** SPIC (SNY6001) Device ***********/

#define SONYPI_DEVICE_TYPE1	0x00000001
#define SONYPI_DEVICE_TYPE2	0x00000002
#define SONYPI_DEVICE_TYPE3	0x00000004
M
Mattia Dongili 已提交
1431
#define SONYPI_DEVICE_TYPE4	0x00000008
1432

1433 1434 1435
#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
1436 1437

struct sony_pic_ioport {
1438 1439
	struct acpi_resource_io	io1;
	struct acpi_resource_io	io2;
1440 1441 1442 1443 1444 1445 1446 1447
	struct list_head	list;
};

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

1448 1449 1450 1451 1452 1453 1454 1455
struct sonypi_eventtypes {
	u8			data;
	unsigned long		mask;
	struct sonypi_event	*events;
};

struct device_ctrl {
	int				model;
M
Mattia Dongili 已提交
1456
	int				(*handle_irq)(const u8, const u8);
1457 1458 1459 1460 1461 1462 1463
	u16				evport_offset;
	u8				has_camera;
	u8				has_bluetooth;
	u8				has_wwan;
	struct sonypi_eventtypes	*event_types;
};

1464
struct sony_pic_dev {
1465
	struct device_ctrl	*control;
1466 1467 1468 1469 1470
	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;
1471
	struct mutex		lock;
1472 1473 1474
	u8			camera_power;
	u8			bluetooth_power;
	u8			wwan_power;
1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530
};

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 },
M
Mattia Dongili 已提交
1531
	{ 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567
	{ 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 },
1568
	{ 0x20, SONYPI_EVENT_PKEY_P1 },
1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609
	{ 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 },
M
Mattia Dongili 已提交
1610 1611
	{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
	{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1612
	{ 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642
	{ 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 }
};

1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655
/* The set of possible volume events */
static struct sonypi_event sonypi_volumeev[] = {
	{ 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
	{ 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
	{ 0, 0 }
};

/* The set of possible brightness events */
static struct sonypi_event sonypi_brightnessev[] = {
	{ 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
	{ 0, 0 }
};

1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692
static struct sonypi_eventtypes type1_events[] = {
	{ 0, 0xffffffff, sonypi_releaseev },
	{ 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
	{ 0x30, SONYPI_LID_MASK, sonypi_lidev },
	{ 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ 0 },
};
static struct sonypi_eventtypes type2_events[] = {
	{ 0, 0xffffffff, sonypi_releaseev },
	{ 0x38, SONYPI_LID_MASK, sonypi_lidev },
	{ 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x11, SONYPI_BACK_MASK, sonypi_backev },
	{ 0x21, SONYPI_HELP_MASK, sonypi_helpev },
	{ 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
	{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0 },
};
static struct sonypi_eventtypes type3_events[] = {
	{ 0, 0xffffffff, sonypi_releaseev },
	{ 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
	{ 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
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	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1696 1697
	{ 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
	{ 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
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	{ 0 },
1699 1700
};

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/* low level spic calls */
1702 1703 1704 1705 1706 1707 1708 1709
#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",	\
1710
				__FILE__, __func__, __LINE__);	\
1711 1712 1713 1714 1715 1716
}

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

1717
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1718
			ITERATIONS_LONG);
1719 1720 1721
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
	v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1722
	dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1723 1724 1725 1726 1727 1728 1729
	return v2;
}

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

1730
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1731
			ITERATIONS_LONG);
1732 1733
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1734
			ITERATIONS_LONG);
1735 1736
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1737
	dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1738 1739 1740
	return v1;
}

1741 1742 1743 1744
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

1745 1746 1747 1748 1749 1750 1751
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
	outb(v, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1752 1753
	dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
			dev, fn, v, v1);
1754 1755 1756
	return v1;
}

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/*
 * minidrivers for SPIC models
 */
1760
static int type3_handle_irq(const u8 data_mask, const u8 ev)
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{
	/*
	 * 0x31 could mean we have to take some extra action and wait for
1764
	 * the next irq for some Type3 models, it will generate a new
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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
	 * irq and we can read new data from the device:
	 *  - 0x5c and 0x5f requires 0xA0
	 *  - 0x61 requires 0xB3
	 */
	if (data_mask == 0x31) {
		if (ev == 0x5c || ev == 0x5f)
			sony_pic_call1(0xA0);
		else if (ev == 0x61)
			sony_pic_call1(0xB3);
		return 0;
	}
	return 1;
}

static struct device_ctrl spic_types[] = {
	{
		.model = SONYPI_DEVICE_TYPE1,
		.handle_irq = NULL,
		.evport_offset = SONYPI_TYPE1_OFFSET,
		.event_types = type1_events,
	},
	{
		.model = SONYPI_DEVICE_TYPE2,
		.handle_irq = NULL,
		.evport_offset = SONYPI_TYPE2_OFFSET,
		.event_types = type2_events,
	},
	{
		.model = SONYPI_DEVICE_TYPE3,
1794
		.handle_irq = type3_handle_irq,
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		.evport_offset = SONYPI_TYPE3_OFFSET,
		.event_types = type3_events,
	},
};

static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
{
	struct pci_dev *pcidev;

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
	if (pcidev) {
		dev->control = &spic_types[0];
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
	if (pcidev) {
		dev->control = &spic_types[2];
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
	if (pcidev) {
1821
		dev->control = &spic_types[2];
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		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
	if (pcidev) {
1828
		dev->control = &spic_types[2];
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		goto out;
	}

1832 1833 1834 1835 1836 1837 1838
	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
	if (pcidev) {
		dev->control = &spic_types[2];
		goto out;
	}

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	/* default */
	dev->control = &spic_types[1];

out:
	if (pcidev)
		pci_dev_put(pcidev);

	printk(KERN_INFO DRV_PFX "detected Type%d model\n",
			dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1848
			dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
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}

1851 1852 1853
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881

#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
1882

1883
static int __sony_pic_camera_ready(void)
1884 1885 1886 1887 1888 1889 1890
{
	u8 v;

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

1891
static int __sony_pic_camera_off(void)
1892
{
1893 1894 1895 1896 1897
	if (!camera) {
		printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
		return -ENODEV;
	}

1898 1899 1900 1901
	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

1902 1903 1904 1905 1906
	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
1907 1908
}

1909
static int __sony_pic_camera_on(void)
1910
{
1911 1912 1913 1914 1915 1916
	int i, j, x;

	if (!camera) {
		printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
		return -ENODEV;
	}
1917 1918

	if (spic_dev.camera_power)
1919
		return 0;
1920 1921 1922

	for (j = 5; j > 0; j--) {

1923
		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1924 1925 1926 1927
			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
1928
			if (__sony_pic_camera_ready())
1929 1930 1931 1932 1933 1934 1935 1936
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
1937
		printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1938
		return -ENODEV;
1939 1940 1941 1942 1943 1944 1945
	}

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

	spic_dev.camera_power = 1;
1946
	return 0;
1947 1948
}

1949 1950 1951 1952 1953 1954 1955 1956 1957
/* 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) {
1958
	case SONY_PIC_COMMAND_SETCAMERA:
1959 1960 1961 1962 1963
		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
1964
	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1965 1966 1967
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
1968
	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1969 1970 1971
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
1972
	case SONY_PIC_COMMAND_SETCAMERAHUE:
1973 1974 1975
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
1976
	case SONY_PIC_COMMAND_SETCAMERACOLOR:
1977 1978 1979
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
1980
	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1981 1982 1983
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
1984
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1985 1986 1987
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
1988
	case SONY_PIC_COMMAND_SETCAMERAAGC:
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
		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);

2002
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2003
static void __sony_pic_set_wwanpower(u8 state)
2004 2005
{
	state = !!state;
2006
	if (spic_dev.wwan_power == state)
2007 2008
		return;
	sony_pic_call2(0xB0, state);
2009
	sony_pic_call1(0x82);
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
	spic_dev.wwan_power = state;
}

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);
2022 2023 2024
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_wwanpower(value);
	mutex_unlock(&spic_dev.lock);
2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038

	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;
}

2039
/* bluetooth subsystem power state */
2040
static void __sony_pic_set_bluetoothpower(u8 state)
2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058
{
	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);
2059 2060 2061
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
2062 2063 2064 2065 2066 2067 2068

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
2069 2070 2071 2072 2073
	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;
2074 2075 2076 2077 2078
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
2079 2080 2081 2082 2083 2084 2085 2086 2087 2088
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);
}

2089 2090 2091 2092 2093 2094 2095 2096 2097
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);
2098
	if (sony_pic_set_fanspeed(value))
2099 2100 2101 2102 2103 2104 2105 2106 2107
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
2108
	if (sony_pic_get_fanspeed(&value))
2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119
		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);
2120
static SPIC_ATTR(wwanpower, 0644);
2121 2122 2123 2124
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
2125
	&spic_attr_wwanpower.attr,
2126 2127 2128 2129 2130 2131 2132 2133
	&spic_attr_fanspeed.attr,
	NULL
};

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

2134
/******** SONYPI compatibility **********/
2135
#ifdef CONFIG_SONYPI_COMPAT
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 2174 2175 2176 2177 2178 2179 2180 2181

/* 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)
{
	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 */
A
Alessio Igor Bogani 已提交
2182 2183 2184 2185
	unsigned long flags;

	spin_lock_irqsave(sonypi_compat.fifo->lock, flags);

2186
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
A
Alessio Igor Bogani 已提交
2187 2188 2189 2190
		__kfifo_reset(sonypi_compat.fifo);

	spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);

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
	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;
}

A
Alan Cox 已提交
2243 2244
static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
							unsigned long arg)
2245 2246 2247 2248 2249 2250 2251
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

2252
	mutex_lock(&spic_dev.lock);
2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 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 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335
	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;
		}
2336
		__sony_pic_set_bluetoothpower(val8);
2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366
		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;
	}
2367
	mutex_unlock(&spic_dev.lock);
2368 2369 2370 2371 2372 2373 2374 2375 2376 2377
	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,
A
Alan Cox 已提交
2378
	.unlocked_ioctl	= sonypi_misc_ioctl,
2379 2380 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
};

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)
2416
		printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434
		       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) { }
2435
#endif /* CONFIG_SONYPI_COMPAT */
2436

2437
/*
2438
 * ACPI callbacks
2439
 */
2440 2441 2442 2443 2444 2445 2446 2447
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:
2448 2449 2450 2451 2452 2453 2454 2455 2456 2457
		{
			/* start IO enumeration */
			struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
			if (!ioport)
				return AE_ERROR;

			list_add(&ioport->list, &dev->ioports);
			return AE_OK;
		}

2458
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2459
		/* end IO enumeration */
2460 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
		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;

2486
				list_add(&interrupt->list, &dev->interrupts);
2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497
				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;
2498 2499
			struct sony_pic_ioport *ioport =
				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2500 2501 2502 2503 2504
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516
			if (!ioport->io1.minimum) {
				memcpy(&ioport->io1, io, sizeof(*io));
				dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
						ioport->io1.address_length);
			}
			else if (!ioport->io2.minimum) {
				memcpy(&ioport->io2, io, sizeof(*io));
				dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
						ioport->io2.address_length);
			}
			else {
				printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2517
				return AE_ERROR;
2518
			}
2519 2520 2521 2522 2523 2524 2525 2526 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 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573
			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)
{
2574 2575 2576 2577
	acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
					       NULL);

	if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594
		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;
2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605
	/* Type 1 resource layout is:
	 *    IO
	 *    IO
	 *    IRQNoFlags
	 *    End
	 *
	 * Type 2 and 3 resource layout is:
	 *    IO
	 *    IRQNoFlags
	 *    End
	 */
2606
	struct {
2607 2608 2609 2610
		struct acpi_resource res1;
		struct acpi_resource res2;
		struct acpi_resource res3;
		struct acpi_resource res4;
2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624
	} *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;

2625
	/* setup Type 1 resources */
2626
	if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2627

2628 2629 2630 2631 2632
		/* setup io resources */
		resource->res1.type = ACPI_RESOURCE_TYPE_IO;
		resource->res1.length = sizeof(struct acpi_resource);
		memcpy(&resource->res1.data.io, &ioport->io1,
				sizeof(struct acpi_resource_io));
2633

2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667
		resource->res2.type = ACPI_RESOURCE_TYPE_IO;
		resource->res2.length = sizeof(struct acpi_resource);
		memcpy(&resource->res2.data.io, &ioport->io2,
				sizeof(struct acpi_resource_io));

		/* setup irq resource */
		resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
		resource->res3.length = sizeof(struct acpi_resource);
		memcpy(&resource->res3.data.irq, &irq->irq,
				sizeof(struct acpi_resource_irq));
		/* we requested a shared irq */
		resource->res3.data.irq.sharable = ACPI_SHARED;

		resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;

	}
	/* setup Type 2/3 resources */
	else {
		/* setup io resource */
		resource->res1.type = ACPI_RESOURCE_TYPE_IO;
		resource->res1.length = sizeof(struct acpi_resource);
		memcpy(&resource->res1.data.io, &ioport->io1,
				sizeof(struct acpi_resource_io));

		/* setup irq resource */
		resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
		resource->res2.length = sizeof(struct acpi_resource);
		memcpy(&resource->res2.data.irq, &irq->irq,
				sizeof(struct acpi_resource_irq));
		/* we requested a shared irq */
		resource->res2.data.irq.sharable = ACPI_SHARED;

		resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
	}
2668 2669 2670 2671 2672 2673 2674

	/* 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)) {
2675
		printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703
		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;

2704 2705 2706 2707
	ev = inb_p(dev->cur_ioport->io1.minimum);
	if (dev->cur_ioport->io2.minimum)
		data_mask = inb_p(dev->cur_ioport->io2.minimum);
	else
2708 2709
		data_mask = inb_p(dev->cur_ioport->io1.minimum +
				dev->control->evport_offset);
2710

2711
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2712 2713
			ev, data_mask, dev->cur_ioport->io1.minimum,
			dev->control->evport_offset);
2714 2715 2716 2717

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

2718
	for (i = 0; dev->control->event_types[i].mask; i++) {
2719

2720 2721
		if ((data_mask & dev->control->event_types[i].data) !=
		    dev->control->event_types[i].data)
2722 2723
			continue;

2724
		if (!(mask & dev->control->event_types[i].mask))
2725 2726
			continue;

2727 2728
		for (j = 0; dev->control->event_types[i].events[j].event; j++) {
			if (ev == dev->control->event_types[i].events[j].data) {
2729
				device_event =
2730 2731
					dev->control->
						event_types[i].events[j].event;
2732 2733 2734 2735
				goto found;
			}
		}
	}
M
Mattia Dongili 已提交
2736 2737 2738 2739 2740 2741 2742
	/* Still not able to decode the event try to pass
	 * it over to the minidriver
	 */
	if (dev->control->handle_irq &&
			dev->control->handle_irq(data_mask, ev) == 0)
		return IRQ_HANDLED;

2743 2744 2745
	dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io1.minimum,
			dev->control->evport_offset);
2746 2747 2748
	return IRQ_HANDLED;

found:
2749
	sony_laptop_report_input_event(device_event);
2750
	acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2751
	sonypi_compat_report_event(device_event);
2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771

	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;

	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);
2772 2773 2774 2775 2776
	release_region(spic_dev.cur_ioport->io1.minimum,
			spic_dev.cur_ioport->io1.address_length);
	if (spic_dev.cur_ioport->io2.minimum)
		release_region(spic_dev.cur_ioport->io2.minimum,
				spic_dev.cur_ioport->io2.address_length);
2777

2778 2779
	sonypi_compat_exit();

2780
	sony_laptop_remove_input();
2781

2782 2783 2784 2785
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796
	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;

2797
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2798 2799 2800 2801 2802 2803 2804 2805 2806
	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;

2807 2808
	printk(KERN_INFO DRV_PFX "%s v%s.\n",
		SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2809 2810 2811

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
2812
	sony_pic_detect_device_type(&spic_dev);
2813
	mutex_init(&spic_dev.lock);
2814 2815 2816 2817 2818

	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
		printk(KERN_ERR DRV_PFX
2819
				"Unable to read possible resources.\n");
2820 2821 2822 2823
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
2824
	result = sony_laptop_setup_input(device);
2825 2826
	if (result) {
		printk(KERN_ERR DRV_PFX
2827
				"Unable to create input devices.\n");
2828 2829 2830
		goto err_free_resources;
	}

2831 2832 2833
	if (sonypi_compat_init())
		goto err_remove_input;

2834
	/* request io port */
2835 2836
	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
		if (request_region(io->io1.minimum, io->io1.address_length,
2837
					"Sony Programable I/O Device")) {
2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864
			dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
					io->io1.minimum, io->io1.maximum,
					io->io1.address_length);
			/* Type 1 have 2 ioports */
			if (io->io2.minimum) {
				if (request_region(io->io2.minimum,
						io->io2.address_length,
						"Sony Programable I/O Device")) {
					dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
							io->io2.minimum, io->io2.maximum,
							io->io2.address_length);
					spic_dev.cur_ioport = io;
					break;
				}
				else {
					dprintk("Unable to get I/O port2: "
							"0x%.4x (0x%.4x) + 0x%.2x\n",
							io->io2.minimum, io->io2.maximum,
							io->io2.address_length);
					release_region(io->io1.minimum,
							io->io1.address_length);
				}
			}
			else {
				spic_dev.cur_ioport = io;
				break;
			}
2865 2866 2867 2868 2869
		}
	}
	if (!spic_dev.cur_ioport) {
		printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
		result = -ENODEV;
2870
		goto err_remove_compat;
2871 2872 2873
	}

	/* request IRQ */
2874
	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899
		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;
	}

2900 2901 2902 2903 2904 2905 2906 2907 2908 2909
	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;

2910 2911
	return 0;

2912 2913 2914 2915 2916 2917
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

2918 2919 2920 2921
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
2922 2923 2924 2925 2926
	release_region(spic_dev.cur_ioport->io1.minimum,
			spic_dev.cur_ioport->io1.address_length);
	if (spic_dev.cur_ioport->io2.minimum)
		release_region(spic_dev.cur_ioport->io2.minimum,
				spic_dev.cur_ioport->io2.address_length);
2927

2928 2929 2930
err_remove_compat:
	sonypi_compat_exit();

2931
err_remove_input:
2932
	sony_laptop_remove_input();
2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961

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;
}

2962 2963 2964 2965 2966
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

2967 2968 2969
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
2970
	.ids = sony_pic_device_ids,
2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997
	.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-"),
		},
	},
	{ }
};

2998
static int __init sony_laptop_init(void)
2999
{
3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023
	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;
3024 3025
}

3026
static void __exit sony_laptop_exit(void)
3027
{
3028
	acpi_bus_unregister_driver(&sony_nc_driver);
3029 3030
	if (!no_spic)
		acpi_bus_unregister_driver(&sony_pic_driver);
3031 3032
}

3033 3034
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);