sony-laptop.c 110.9 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.
 *
 */

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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

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#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 <linux/slab.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 dprintk(fmt, ...)			\
do {						\
	if (debug)				\
		pr_warn(fmt, ##__VA_ARGS__);	\
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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"
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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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static int kbd_backlight = -1;
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module_param(kbd_backlight, int, 0444);
MODULE_PARM_DESC(kbd_backlight,
		 "set this to 0 to disable keyboard backlight, "
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		 "1 to enable it (default: no change from current value)");
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static int kbd_backlight_timeout = -1;
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module_param(kbd_backlight_timeout, int, 0444);
MODULE_PARM_DESC(kbd_backlight_timeout,
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		 "meaningful values vary from 0 to 3 and their meaning depends "
		 "on the model (default: no change from current value)");
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#ifdef CONFIG_PM_SLEEP
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static void sony_nc_kbd_backlight_resume(void);
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static void sony_nc_thermal_resume(void);
#endif
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static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
		unsigned int handle);
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
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static int sony_nc_battery_care_setup(struct platform_device *pd,
		unsigned int handle);
static void sony_nc_battery_care_cleanup(struct platform_device *pd);

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static int sony_nc_thermal_setup(struct platform_device *pd);
static void sony_nc_thermal_cleanup(struct platform_device *pd);

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static int sony_nc_lid_resume_setup(struct platform_device *pd);
static void sony_nc_lid_resume_cleanup(struct platform_device *pd);

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static int sony_nc_gfx_switch_setup(struct platform_device *pd,
		unsigned int handle);
static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
static int __sony_nc_gfx_switch_status_get(void);

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static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);

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static int sony_nc_touchpad_setup(struct platform_device *pd,
				  unsigned int handle);
static void sony_nc_touchpad_cleanup(struct platform_device *pd);

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

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static int sony_rfkill_handle;
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static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
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static int sony_nc_rfkill_setup(struct acpi_device *device,
		unsigned int handle);
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static void sony_nc_rfkill_cleanup(void);
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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;
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	struct kfifo		fifo;
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	spinlock_t		fifo_lock;
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	struct timer_list	release_key_timer;
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};
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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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	58,	/* 72 SONYPI_EVENT_MEDIA_PRESSED */
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	59,	/* 72 SONYPI_EVENT_VENDOR_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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	KEY_MEDIA,	/* 58 SONYPI_EVENT_MEDIA_PRESSED */
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	KEY_VENDOR,	/* 59 SONYPI_EVENT_VENDOR_PRESSED */
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};

/* release buttons after a short delay if pressed */
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static void do_sony_laptop_release_key(unsigned long unused)
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{
	struct sony_laptop_keypress kp;
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	unsigned long flags;
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	spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);

	if (kfifo_out(&sony_laptop_input.fifo,
		      (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
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		input_report_key(kp.dev, kp.key, 0);
		input_sync(kp.dev);
	}
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	/* If there is something in the fifo schedule next release. */
	if (kfifo_len(&sony_laptop_input.fifo) != 0)
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		mod_timer(&sony_laptop_input.release_key_timer,
			  jiffies + msecs_to_jiffies(10));
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	spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
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}

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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 };
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	int scancode = -1;
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	if (event == SONYPI_EVENT_FNKEY_RELEASED ||
			event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
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		/* 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;
		}
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		if ((scancode = sony_laptop_input_index[event]) != -1) {
			kp.key = sony_laptop_input_keycode_map[scancode];
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			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) {
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		/* if we have a scancode we emit it so we can always
		    remap the key */
		if (scancode != -1)
			input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
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		input_report_key(kp.dev, kp.key, 1);
		input_sync(kp.dev);

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		/* schedule key release */
		kfifo_in_locked(&sony_laptop_input.fifo,
				(unsigned char *)&kp, sizeof(kp),
				&sony_laptop_input.fifo_lock);
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		mod_timer(&sony_laptop_input.release_key_timer,
			  jiffies + msecs_to_jiffies(10));
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	} 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);
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	error = kfifo_alloc(&sony_laptop_input.fifo,
			    SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
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	if (error) {
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		pr_err("kfifo_alloc failed\n");
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		goto err_dec_users;
	}

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	setup_timer(&sony_laptop_input.release_key_timer,
		    do_sony_laptop_release_key, 0);
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	/* input keys */
	key_dev = input_allocate_device();
	if (!key_dev) {
		error = -ENOMEM;
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		goto err_free_kfifo;
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	}

	key_dev->name = "Sony Vaio Keys";
	key_dev->id.bustype = BUS_ISA;
	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
473
	key_dev->dev.parent = &acpi_device->dev;
474 475

	/* Initialize the Input Drivers: special keys */
476 477 478
	input_set_capability(key_dev, EV_MSC, MSC_SCAN);

	__set_bit(EV_KEY, key_dev->evbit);
479 480 481
	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;
482 483 484
	for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
		__set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
	__clear_bit(KEY_RESERVED, key_dev->keybit);
485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501

	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;
502
	jog_dev->dev.parent = &acpi_device->dev;
503

504 505
	input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
	input_set_capability(jog_dev, EV_REL, REL_WHEEL);
506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526

	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_free_kfifo:
527
	kfifo_free(&sony_laptop_input.fifo);
528 529 530 531 532 533 534 535

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

static void sony_laptop_remove_input(void)
{
536 537 538
	struct sony_laptop_keypress kp = { NULL };

	/* Cleanup only after the last user has gone */
539 540 541
	if (!atomic_dec_and_test(&sony_laptop_input.users))
		return;

542
	del_timer_sync(&sony_laptop_input.release_key_timer);
543 544 545 546 547 548 549 550 551 552

	/*
	 * Generate key-up events for remaining keys. Note that we don't
	 * need locking since nobody is adding new events to the kfifo.
	 */
	while (kfifo_out(&sony_laptop_input.fifo,
			 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
		input_report_key(kp.dev, kp.key, 0);
		input_sync(kp.dev);
	}
553 554 555 556 557 558 559 560 561 562

	/* 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;
	}

563
	kfifo_free(&sony_laptop_input.fifo);
564 565
}

566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616
/*********** 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;

617
	platform_device_unregister(sony_pf_device);
618 619 620 621 622
	platform_driver_unregister(&sony_pf_driver);
}

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

623 624 625 626 627 628 629
/* 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

630
static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
L
Len Brown 已提交
631
			      char *);
632
static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
L
Len Brown 已提交
633
			       const char *, size_t);
634 635 636
static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);

637
struct sony_nc_value {
L
Len Brown 已提交
638 639 640
	char *name;		/* name of the entry */
	char **acpiget;		/* names of the ACPI get function */
	char **acpiset;		/* names of the ACPI set function */
641
	int (*validate)(const int, const int);	/* input/output validation */
L
Len Brown 已提交
642 643 644
	int value;		/* current setting */
	int valid;		/* Has ever been set */
	int debug;		/* active only in debug mode ? */
645
	struct device_attribute devattr;	/* sysfs attribute */
646 647
};

648
#define SNC_HANDLE_NAMES(_name, _values...) \
649 650
	static char *snc_##_name[] = { _values, NULL }

651
#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
652 653 654 655
	{ \
		.name		= __stringify(_name), \
		.acpiget	= _getters, \
		.acpiset	= _setters, \
656
		.validate	= _validate, \
657
		.debug		= _debug, \
658
		.devattr	= __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
659
	}
660

661
#define SNC_HANDLE_NULL	{ .name = NULL }
662

663
SNC_HANDLE_NAMES(fnkey_get, "GHKE");
664

665 666
SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
667

668 669
SNC_HANDLE_NAMES(cdpower_get, "GCDP");
SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
670

671 672
SNC_HANDLE_NAMES(audiopower_get, "GAZP");
SNC_HANDLE_NAMES(audiopower_set, "AZPW");
673

674 675
SNC_HANDLE_NAMES(lanpower_get, "GLNP");
SNC_HANDLE_NAMES(lanpower_set, "LNPW");
676

677 678 679 680 681 682 683 684
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");

685
SNC_HANDLE_NAMES(PID_get, "GPID");
686

687 688
SNC_HANDLE_NAMES(CTR_get, "GCTR");
SNC_HANDLE_NAMES(CTR_set, "SCTR");
689

690 691
SNC_HANDLE_NAMES(PCR_get, "GPCR");
SNC_HANDLE_NAMES(PCR_set, "SPCR");
692

693 694
SNC_HANDLE_NAMES(CMI_get, "GCMI");
SNC_HANDLE_NAMES(CMI_set, "SCMI");
695

696 697
static struct sony_nc_value sony_nc_values[] = {
	SNC_HANDLE(brightness_default, snc_brightness_def_get,
698
			snc_brightness_def_set, brightness_default_validate, 0),
699 700 701
	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,
702
			boolean_validate, 0),
703
	SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
704
			boolean_validate, 1),
705 706 707 708 709 710
	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),
711
	/* unknown methods */
712 713 714 715 716
	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
717 718
};

719 720
static acpi_handle sony_nc_acpi_handle;
static struct acpi_device *sony_nc_acpi_device = NULL;
721

722 723
/*
 * acpi_evaluate_object wrappers
724 725
 * all useful calls into SNC methods take one or zero parameters and return
 * integers or arrays.
726
 */
727 728
static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
		u64 *value)
729
{
730 731
	union acpi_object *result = NULL;
	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
732 733
	acpi_status status;

734 735 736 737 738 739 740 741
	if (value) {
		struct acpi_object_list params;
		union acpi_object in;
		in.type = ACPI_TYPE_INTEGER;
		in.integer.value = *value;
		params.count = 1;
		params.pointer = &in;
		status = acpi_evaluate_object(handle, method, &params, &output);
742 743 744 745
		dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
				(unsigned int)(*value >> 32),
				(unsigned int)*value & 0xffffffff);
	} else {
746
		status = acpi_evaluate_object(handle, method, NULL, &output);
747 748
		dprintk("__call_snc_method: [%s]\n", method);
	}
749

750 751 752
	if (ACPI_FAILURE(status)) {
		pr_err("Failed to evaluate [%s]\n", method);
		return NULL;
753 754
	}

755 756 757
	result = (union acpi_object *) output.pointer;
	if (!result)
		dprintk("No return object [%s]\n", method);
758

759
	return result;
760 761
}

762 763
static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
		int *result)
764
{
765 766 767 768 769 770
	union acpi_object *object = NULL;
	if (value) {
		u64 v = *value;
		object = __call_snc_method(handle, name, &v);
	} else
		object = __call_snc_method(handle, name, NULL);
771

772 773
	if (!object)
		return -EINVAL;
774

775 776 777 778 779
	if (object->type != ACPI_TYPE_INTEGER) {
		pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
				ACPI_TYPE_INTEGER, object->type);
		kfree(object);
		return -EINVAL;
780 781
	}

782 783
	if (result)
		*result = object->integer.value;
784

785 786 787 788 789 790 791 792
	kfree(object);
	return 0;
}

#define MIN(a, b)	(a > b ? b : a)
static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
		void *buffer, size_t buflen)
{
793
	int ret = 0;
794 795 796 797 798 799
	size_t len = len;
	union acpi_object *object = __call_snc_method(handle, name, value);

	if (!object)
		return -EINVAL;

800
	if (object->type == ACPI_TYPE_BUFFER) {
801
		len = MIN(buflen, object->buffer.length);
802
		memcpy(buffer, object->buffer.pointer, len);
803

804
	} else if (object->type == ACPI_TYPE_INTEGER) {
805
		len = MIN(buflen, sizeof(object->integer.value));
806
		memcpy(buffer, &object->integer.value, len);
807

808
	} else {
809 810
		pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
				ACPI_TYPE_BUFFER, object->type);
811
		ret = -EINVAL;
812 813 814
	}

	kfree(object);
815
	return ret;
816 817
}

818 819 820 821 822
struct sony_nc_handles {
	u16 cap[0x10];
	struct device_attribute devattr;
};

823
static struct sony_nc_handles *handles;
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840

static ssize_t sony_nc_handles_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t len = 0;
	int i;

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
		len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
				handles->cap[i]);
	}
	len += snprintf(buffer + len, PAGE_SIZE - len, "\n");

	return len;
}

static int sony_nc_handles_setup(struct platform_device *pd)
841
{
842
	int i, r, result, arg;
843

844
	handles = kzalloc(sizeof(*handles), GFP_KERNEL);
845 846
	if (!handles)
		return -ENOMEM;
847 848

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
849 850 851 852
		arg = i + 0x20;
		r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
					&result);
		if (!r) {
853 854 855
			dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
					result, i);
			handles->cap[i] = result;
856
		}
857 858
	}

859 860 861 862 863 864 865 866 867 868 869 870
	if (debug) {
		sysfs_attr_init(&handles->devattr.attr);
		handles->devattr.attr.name = "handles";
		handles->devattr.attr.mode = S_IRUGO;
		handles->devattr.show = sony_nc_handles_show;

		/* allow reading capabilities via sysfs */
		if (device_create_file(&pd->dev, &handles->devattr)) {
			kfree(handles);
			handles = NULL;
			return -1;
		}
871 872 873 874 875 876 877 878
	}

	return 0;
}

static int sony_nc_handles_cleanup(struct platform_device *pd)
{
	if (handles) {
879 880
		if (debug)
			device_remove_file(&pd->dev, &handles->devattr);
881 882 883 884 885 886 887 888 889
		kfree(handles);
		handles = NULL;
	}
	return 0;
}

static int sony_find_snc_handle(int handle)
{
	int i;
890 891

	/* not initialized yet, return early */
892 893
	if (!handles || !handle)
		return -EINVAL;
894

895 896 897 898 899 900 901
	for (i = 0; i < 0x10; i++) {
		if (handles->cap[i] == handle) {
			dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
					handle, i);
			return i;
		}
	}
902
	dprintk("handle 0x%.4x not found\n", handle);
903
	return -EINVAL;
904 905 906 907
}

static int sony_call_snc_handle(int handle, int argument, int *result)
{
908
	int arg, ret = 0;
909 910 911
	int offset = sony_find_snc_handle(handle);

	if (offset < 0)
912
		return offset;
913

914 915 916
	arg = offset | argument;
	ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
	dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
917
	return ret;
918 919
}

920
/*
921
 * sony_nc_values input/output validate functions
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954
 */

/* 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;
}

955
/*
956
 * Sysfs show/store common to all sony_nc_values
957
 */
958
static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
L
Len Brown 已提交
959
			      char *buffer)
960
{
961
	int value, ret = 0;
962 963
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
964

965
	if (!*item->acpiget)
966 967
		return -EIO;

968 969 970
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
				&value);
	if (ret < 0)
971 972
		return -EIO;

973 974 975
	if (item->validate)
		value = item->validate(SNC_VALIDATE_OUT, value);

976
	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
977 978
}

979
static ssize_t sony_nc_sysfs_store(struct device *dev,
L
Len Brown 已提交
980 981
			       struct device_attribute *attr,
			       const char *buffer, size_t count)
982
{
983
	int value;
984
	int ret = 0;
985 986
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
987 988 989 990

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

991 992 993
	if (count > 31)
		return -EINVAL;

994
	if (kstrtoint(buffer, 10, &value))
995
		return -EINVAL;
996

997 998 999 1000 1001
	if (item->validate)
		value = item->validate(SNC_VALIDATE_IN, value);

	if (value < 0)
		return value;
1002

1003
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1004
			       &value, NULL);
1005
	if (ret < 0)
1006
		return -EIO;
1007

1008 1009
	item->value = value;
	item->valid = 1;
1010 1011 1012
	return count;
}

1013

1014 1015 1016
/*
 * Backlight device
 */
1017 1018 1019
struct sony_backlight_props {
	struct backlight_device *dev;
	int			handle;
1020
	int			cmd_base;
1021 1022 1023 1024 1025
	u8			offset;
	u8			maxlvl;
};
struct sony_backlight_props sony_bl_props;

1026
static int sony_backlight_update_status(struct backlight_device *bd)
1027
{
1028 1029
	int arg = bd->props.brightness + 1;
	return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1030
}
1031

1032 1033 1034
static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
1035

1036
	if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1037 1038 1039
		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
1040 1041
}

1042 1043 1044
static int sony_nc_get_brightness_ng(struct backlight_device *bd)
{
	int result;
1045 1046
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1047

1048
	sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1049

1050
	return (result & 0xff) - sdev->offset;
1051 1052 1053 1054 1055
}

static int sony_nc_update_status_ng(struct backlight_device *bd)
{
	int value, result;
1056 1057
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1058

1059
	value = bd->props.brightness + sdev->offset;
1060 1061
	if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
				&result))
1062
		return -EIO;
1063

1064
	return value;
1065 1066
}

L
Lionel Debroux 已提交
1067
static const struct backlight_ops sony_backlight_ops = {
1068
	.options = BL_CORE_SUSPENDRESUME,
L
Len Brown 已提交
1069 1070
	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
1071
};
1072 1073 1074 1075 1076
static const struct backlight_ops sony_backlight_ng_ops = {
	.options = BL_CORE_SUSPENDRESUME,
	.update_status = sony_nc_update_status_ng,
	.get_brightness = sony_nc_get_brightness_ng,
};
1077

1078 1079 1080 1081 1082 1083 1084 1085
/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

1086
static struct sony_nc_event sony_100_events[] = {
1087 1088
	{ 0x90, SONYPI_EVENT_PKEY_P1 },
	{ 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089
	{ 0x91, SONYPI_EVENT_PKEY_P2 },
1090
	{ 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1091 1092
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1093 1094 1095 1096 1097 1098
	{ 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 },
1099 1100 1101 1102 1103 1104
	{ 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 },
1105 1106
	{ 0x88, SONYPI_EVENT_FNKEY_F8 },
	{ 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1107 1108
	{ 0x89, SONYPI_EVENT_FNKEY_F9 },
	{ 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1109 1110
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1111 1112
	{ 0x8B, SONYPI_EVENT_FNKEY_F11 },
	{ 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1113 1114
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1115 1116
	{ 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 1118
	{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 1120
	{ 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
	{ 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 1122 1123 1124 1125 1126
	{ 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
	{ 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0xa6, SONYPI_EVENT_HELP_PRESSED },
	{ 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1127 1128 1129
	{ 0, 0 },
};

1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
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 },
	{ 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
	{ 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
	{ 0, 0 },
};

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
static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
{
	int ret = -EINVAL;
	unsigned int result = 0;
	struct sony_nc_event *key_event;

	if (sony_call_snc_handle(handle, 0x200, &result)) {
		dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
				event);
		return -EINVAL;
	}

	result &= 0xFF;

	if (handle == 0x0100)
		key_event = sony_100_events;
	else
		key_event = sony_127_events;

	for (; key_event->data; key_event++) {
		if (key_event->data == result) {
			ret = key_event->event;
			break;
		}
	}

	if (!key_event->data)
		pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
				event, result, handle);

	return ret;
}

1181 1182 1183
/*
 * ACPI callbacks
 */
1184 1185
enum event_types {
	HOTKEY = 1,
1186 1187
	KILLSWITCH,
	GFX_SWITCH
1188
};
1189
static void sony_nc_notify(struct acpi_device *device, u32 event)
1190
{
1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203
	u32 real_ev = event;
	u8 ev_type = 0;
	dprintk("sony_nc_notify, event: 0x%.2x\n", event);

	if (event >= 0x90) {
		unsigned int result = 0;
		unsigned int arg = 0;
		unsigned int handle = 0;
		unsigned int offset = event - 0x90;

		if (offset >= ARRAY_SIZE(handles->cap)) {
			pr_err("Event 0x%x outside of capabilities list\n",
					event);
1204
			return;
1205
		}
1206 1207 1208 1209 1210 1211 1212
		handle = handles->cap[offset];

		/* list of handles known for generating events */
		switch (handle) {
		/* hotkey event */
		case 0x0100:
		case 0x0127:
1213
			ev_type = HOTKEY;
1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
			real_ev = sony_nc_hotkeys_decode(event, handle);

			if (real_ev > 0)
				sony_laptop_report_input_event(real_ev);
			else
				/* restore the original event for reporting */
				real_ev = event;

			break;

		/* wlan switch */
		case 0x0124:
		case 0x0135:
			/* events on this handle are reported when the
			 * switch changes position or for battery
			 * events. We'll notify both of them but only
			 * update the rfkill device status when the
			 * switch is moved.
			 */
1233
			ev_type = KILLSWITCH;
1234 1235 1236 1237 1238 1239 1240 1241
			sony_call_snc_handle(handle, 0x0100, &result);
			real_ev = result & 0x03;

			/* hw switch event */
			if (real_ev == 1)
				sony_nc_rfkill_update();

			break;
1242

1243 1244 1245 1246 1247
		case 0x0128:
		case 0x0146:
			/* Hybrid GFX switching */
			sony_call_snc_handle(handle, 0x0000, &result);
			dprintk("GFX switch event received (reason: %s)\n",
1248 1249 1250 1251
					(result == 0x1) ? "switch change" :
					(result == 0x2) ? "output switch" :
					(result == 0x3) ? "output switch" :
					"");
1252 1253

			ev_type = GFX_SWITCH;
1254
			real_ev = __sony_nc_gfx_switch_status_get();
1255 1256
			break;

1257 1258 1259 1260 1261
		case 0x015B:
			/* Hybrid GFX switching SVS151290S */
			ev_type = GFX_SWITCH;
			real_ev = __sony_nc_gfx_switch_status_get();
			break;
1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273
		default:
			dprintk("Unknown event 0x%x for handle 0x%x\n",
					event, handle);
			break;
		}

		/* clear the event (and the event reason when present) */
		arg = 1 << offset;
		sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);

	} else {
		/* old style event */
1274
		ev_type = HOTKEY;
1275 1276 1277 1278
		sony_laptop_report_input_event(real_ev);
	}
	acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
			dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1279 1280 1281 1282 1283
}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
1284
	struct acpi_device_info *info;
1285

1286
	if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1287
		pr_warn("method: name: %4.4s, args %X\n",
1288 1289
			(char *)&info->name, info->param_count);

1290
		kfree(info);
1291
	}
1292 1293 1294 1295

	return AE_OK;
}

1296 1297 1298
/*
 * ACPI device
 */
1299 1300
static void sony_nc_function_setup(struct acpi_device *device,
		struct platform_device *pf_device)
1301
{
1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326
	unsigned int i, result, bitmask, arg;

	if (!handles)
		return;

	/* setup found handles here */
	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
		unsigned int handle = handles->cap[i];

		if (!handle)
			continue;

		dprintk("setting up handle 0x%.4x\n", handle);

		switch (handle) {
		case 0x0100:
		case 0x0101:
		case 0x0127:
			/* setup hotkeys */
			sony_call_snc_handle(handle, 0, &result);
			break;
		case 0x0102:
			/* setup hotkeys */
			sony_call_snc_handle(handle, 0x100, &result);
			break;
1327 1328 1329 1330 1331 1332 1333 1334
		case 0x0105:
		case 0x0148:
			/* touchpad enable/disable */
			result = sony_nc_touchpad_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up touchpad control function (%d)\n",
						result);
			break;
1335 1336 1337 1338 1339 1340 1341 1342
		case 0x0115:
		case 0x0136:
		case 0x013f:
			result = sony_nc_battery_care_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up battery care function (%d)\n",
						result);
			break;
1343 1344 1345 1346 1347 1348
		case 0x0119:
			result = sony_nc_lid_resume_setup(pf_device);
			if (result)
				pr_err("couldn't set up lid resume function (%d)\n",
						result);
			break;
1349 1350 1351 1352 1353 1354
		case 0x0122:
			result = sony_nc_thermal_setup(pf_device);
			if (result)
				pr_err("couldn't set up thermal profile function (%d)\n",
						result);
			break;
1355 1356
		case 0x0128:
		case 0x0146:
1357
		case 0x015B:
1358 1359 1360 1361 1362
			result = sony_nc_gfx_switch_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up GFX Switch status (%d)\n",
						result);
			break;
1363 1364 1365 1366 1367 1368
		case 0x0131:
			result = sony_nc_highspeed_charging_setup(pf_device);
			if (result)
				pr_err("couldn't set up high speed charging function (%d)\n",
				       result);
			break;
1369 1370
		case 0x0124:
		case 0x0135:
1371 1372 1373 1374
			result = sony_nc_rfkill_setup(device, handle);
			if (result)
				pr_err("couldn't set up rfkill support (%d)\n",
						result);
1375 1376
			break;
		case 0x0137:
1377
		case 0x0143:
1378 1379
		case 0x014b:
		case 0x014c:
1380
		case 0x0163:
1381 1382 1383 1384
			result = sony_nc_kbd_backlight_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up keyboard backlight function (%d)\n",
						result);
1385 1386 1387 1388 1389
			break;
		default:
			continue;
		}
	}
1390 1391

	/* Enable all events */
1392 1393 1394 1395 1396
	arg = 0x10;
	if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
		sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
				&result);
}
1397

1398 1399 1400
static void sony_nc_function_cleanup(struct platform_device *pd)
{
	unsigned int i, result, bitmask, handle;
1401

1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414
	/* get enabled events and disable them */
	sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
	sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);

	/* cleanup handles here */
	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {

		handle = handles->cap[i];

		if (!handle)
			continue;

		switch (handle) {
1415 1416 1417 1418
		case 0x0105:
		case 0x0148:
			sony_nc_touchpad_cleanup(pd);
			break;
1419 1420 1421 1422 1423
		case 0x0115:
		case 0x0136:
		case 0x013f:
			sony_nc_battery_care_cleanup(pd);
			break;
1424 1425 1426
		case 0x0119:
			sony_nc_lid_resume_cleanup(pd);
			break;
1427 1428 1429
		case 0x0122:
			sony_nc_thermal_cleanup(pd);
			break;
1430 1431
		case 0x0128:
		case 0x0146:
1432
		case 0x015B:
1433 1434
			sony_nc_gfx_switch_cleanup(pd);
			break;
1435 1436 1437
		case 0x0131:
			sony_nc_highspeed_charging_cleanup(pd);
			break;
1438 1439 1440 1441 1442
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_cleanup();
			break;
		case 0x0137:
1443
		case 0x0143:
1444 1445
		case 0x014b:
		case 0x014c:
1446
		case 0x0163:
1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457
			sony_nc_kbd_backlight_cleanup(pd);
			break;
		default:
			continue;
		}
	}

	/* finally cleanup the handles list */
	sony_nc_handles_cleanup(pd);
}

1458
#ifdef CONFIG_PM_SLEEP
1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481
static void sony_nc_function_resume(void)
{
	unsigned int i, result, bitmask, arg;

	dprintk("Resuming SNC device\n");

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
		unsigned int handle = handles->cap[i];

		if (!handle)
			continue;

		switch (handle) {
		case 0x0100:
		case 0x0101:
		case 0x0127:
			/* re-enable hotkeys */
			sony_call_snc_handle(handle, 0, &result);
			break;
		case 0x0102:
			/* re-enable hotkeys */
			sony_call_snc_handle(handle, 0x100, &result);
			break;
1482 1483 1484
		case 0x0122:
			sony_nc_thermal_resume();
			break;
1485 1486 1487 1488 1489
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_update();
			break;
		case 0x0137:
1490
		case 0x0143:
1491 1492
		case 0x014b:
		case 0x014c:
1493
		case 0x0163:
1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
			sony_nc_kbd_backlight_resume();
			break;
		default:
			continue;
		}
	}

	/* Enable all events */
	arg = 0x10;
	if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
		sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
				&result);
1506 1507
}

1508
static int sony_nc_resume(struct device *dev)
1509
{
1510
	struct sony_nc_value *item;
1511
	acpi_handle handle;
1512

1513
	for (item = sony_nc_values; item->name; item++) {
1514 1515 1516 1517
		int ret;

		if (!item->valid)
			continue;
1518 1519
		ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
				       &item->value, NULL);
1520
		if (ret < 0) {
1521
			pr_err("%s: %d\n", __func__, ret);
1522 1523 1524
			break;
		}
	}
1525

1526 1527
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
1528 1529
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1530 1531 1532
			dprintk("ECON Method failed\n");
	}

1533
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1534 1535
					 &handle)))
		sony_nc_function_resume();
1536

1537 1538
	return 0;
}
1539
#endif
1540

1541 1542
static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);

1543 1544 1545 1546
static void sony_nc_rfkill_cleanup(void)
{
	int i;

J
Johannes Berg 已提交
1547 1548
	for (i = 0; i < N_SONY_RFKILL; i++) {
		if (sony_rfkill_devices[i]) {
1549
			rfkill_unregister(sony_rfkill_devices[i]);
J
Johannes Berg 已提交
1550 1551
			rfkill_destroy(sony_rfkill_devices[i]);
		}
1552 1553 1554
	}
}

J
Johannes Berg 已提交
1555
static int sony_nc_rfkill_set(void *data, bool blocked)
1556 1557 1558 1559
{
	int result;
	int argument = sony_rfkill_address[(long) data] + 0x100;

J
Johannes Berg 已提交
1560
	if (!blocked)
1561
		argument |= 0x070000;
1562

1563
	return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1564 1565
}

J
Johannes Berg 已提交
1566 1567 1568
static const struct rfkill_ops sony_rfkill_ops = {
	.set_block = sony_nc_rfkill_set,
};
1569

J
Johannes Berg 已提交
1570 1571
static int sony_nc_setup_rfkill(struct acpi_device *device,
				enum sony_nc_rfkill nc_type)
1572 1573
{
	int err = 0;
J
Johannes Berg 已提交
1574 1575 1576
	struct rfkill *rfk;
	enum rfkill_type type;
	const char *name;
1577
	int result;
1578
	bool hwblock, swblock;
J
Johannes Berg 已提交
1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598

	switch (nc_type) {
	case SONY_WIFI:
		type = RFKILL_TYPE_WLAN;
		name = "sony-wifi";
		break;
	case SONY_BLUETOOTH:
		type = RFKILL_TYPE_BLUETOOTH;
		name = "sony-bluetooth";
		break;
	case SONY_WWAN:
		type = RFKILL_TYPE_WWAN;
		name = "sony-wwan";
		break;
	case SONY_WIMAX:
		type = RFKILL_TYPE_WIMAX;
		name = "sony-wimax";
		break;
	default:
		return -EINVAL;
1599
	}
1600

J
Johannes Berg 已提交
1601 1602 1603 1604
	rfk = rfkill_alloc(name, &device->dev, type,
			   &sony_rfkill_ops, (void *)nc_type);
	if (!rfk)
		return -ENOMEM;
1605

1606 1607 1608 1609
	if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
1610
	hwblock = !(result & 0x1);
1611 1612 1613 1614 1615 1616 1617 1618 1619 1620

	if (sony_call_snc_handle(sony_rfkill_handle,
				sony_rfkill_address[nc_type],
				&result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
	swblock = !(result & 0x2);

	rfkill_init_sw_state(rfk, swblock);
1621 1622
	rfkill_set_hw_state(rfk, hwblock);

J
Johannes Berg 已提交
1623 1624 1625 1626
	err = rfkill_register(rfk);
	if (err) {
		rfkill_destroy(rfk);
		return err;
1627
	}
J
Johannes Berg 已提交
1628
	sony_rfkill_devices[nc_type] = rfk;
1629 1630 1631
	return err;
}

1632
static void sony_nc_rfkill_update(void)
1633
{
J
Johannes Berg 已提交
1634 1635 1636
	enum sony_nc_rfkill i;
	int result;
	bool hwblock;
1637

1638
	sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
J
Johannes Berg 已提交
1639
	hwblock = !(result & 0x1);
1640

J
Johannes Berg 已提交
1641 1642
	for (i = 0; i < N_SONY_RFKILL; i++) {
		int argument = sony_rfkill_address[i];
1643

J
Johannes Berg 已提交
1644 1645 1646 1647
		if (!sony_rfkill_devices[i])
			continue;

		if (hwblock) {
J
Johannes Berg 已提交
1648 1649 1650
			if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
				/* we already know we're blocked */
			}
J
Johannes Berg 已提交
1651
			continue;
1652
		}
J
Johannes Berg 已提交
1653

1654
		sony_call_snc_handle(sony_rfkill_handle, argument, &result);
J
Johannes Berg 已提交
1655
		rfkill_set_states(sony_rfkill_devices[i],
1656
				  !(result & 0x2), false);
1657 1658 1659
	}
}

1660 1661
static int sony_nc_rfkill_setup(struct acpi_device *device,
		unsigned int handle)
1662
{
1663 1664 1665
	u64 offset;
	int i;
	unsigned char buffer[32] = { 0 };
1666

1667 1668
	offset = sony_find_snc_handle(handle);
	sony_rfkill_handle = handle;
1669

1670 1671 1672
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692
		return i;

	/* The buffer is filled with magic numbers describing the devices
	 * available, 0xff terminates the enumeration.
	 * Known codes:
	 *	0x00 WLAN
	 *	0x10 BLUETOOTH
	 *	0x20 WWAN GPRS-EDGE
	 *	0x21 WWAN HSDPA
	 *	0x22 WWAN EV-DO
	 *	0x23 WWAN GPS
	 *	0x25 Gobi WWAN no GPS
	 *	0x26 Gobi WWAN + GPS
	 *	0x28 Gobi WWAN no GPS
	 *	0x29 Gobi WWAN + GPS
	 *	0x30 WIMAX
	 *	0x50 Gobi WWAN no GPS
	 *	0x51 Gobi WWAN + GPS
	 *	0x70 no SIM card slot
	 *	0x71 SIM card slot
1693
	 */
1694
	for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1695

1696
		if (buffer[i] == 0xff)
1697 1698
			break;

1699
		dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1700

1701
		if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1702 1703
			sony_nc_setup_rfkill(device, SONY_WIFI);

1704
		if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1705 1706
			sony_nc_setup_rfkill(device, SONY_BLUETOOTH);

1707 1708
		if (((0xf0 & buffer[i]) == 0x20 ||
					(0xf0 & buffer[i]) == 0x50) &&
1709 1710 1711
				!sony_rfkill_devices[SONY_WWAN])
			sony_nc_setup_rfkill(device, SONY_WWAN);

1712
		if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1713 1714
			sony_nc_setup_rfkill(device, SONY_WIMAX);
	}
1715
	return 0;
1716 1717
}

1718 1719
/* Keyboard backlight feature */
struct kbd_backlight {
1720 1721 1722 1723
	unsigned int handle;
	unsigned int base;
	unsigned int mode;
	unsigned int timeout;
1724 1725 1726 1727
	struct device_attribute mode_attr;
	struct device_attribute timeout_attr;
};

1728
static struct kbd_backlight *kbdbl_ctl;
1729 1730 1731 1732 1733 1734 1735 1736

static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
{
	int result;

	if (value > 1)
		return -EINVAL;

1737 1738
	if (sony_call_snc_handle(kbdbl_ctl->handle,
				(value << 0x10) | (kbdbl_ctl->base), &result))
1739 1740
		return -EIO;

1741
	/* Try to turn the light on/off immediately */
1742 1743
	sony_call_snc_handle(kbdbl_ctl->handle,
			(value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1744

1745
	kbdbl_ctl->mode = value;
1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759

	return 0;
}

static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	int ret = 0;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

1760
	if (kstrtoul(buffer, 10, &value))
1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773
		return -EINVAL;

	ret = __sony_nc_kbd_backlight_mode_set(value);
	if (ret < 0)
		return ret;

	return count;
}

static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count = 0;
1774
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1775 1776 1777 1778 1779 1780 1781 1782 1783 1784
	return count;
}

static int __sony_nc_kbd_backlight_timeout_set(u8 value)
{
	int result;

	if (value > 3)
		return -EINVAL;

1785 1786
	if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
				(kbdbl_ctl->base + 0x200), &result))
1787 1788
		return -EIO;

1789
	kbdbl_ctl->timeout = value;
1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803

	return 0;
}

static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	int ret = 0;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

1804
	if (kstrtoul(buffer, 10, &value))
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817
		return -EINVAL;

	ret = __sony_nc_kbd_backlight_timeout_set(value);
	if (ret < 0)
		return ret;

	return count;
}

static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count = 0;
1818
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1819 1820 1821
	return count;
}

1822 1823
static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
		unsigned int handle)
1824 1825
{
	int result;
1826
	int ret = 0;
1827

1828 1829 1830 1831 1832 1833 1834
	/* verify the kbd backlight presence, these handles are not used for
	 * keyboard backlight only
	 */
	ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
			&result);
	if (ret)
		return ret;
1835

1836 1837 1838 1839 1840
	if ((handle == 0x0137 && !(result & 0x02)) ||
			!(result & 0x01)) {
		dprintk("no backlight keyboard found\n");
		return 0;
	}
1841

1842 1843 1844
	kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
	if (!kbdbl_ctl)
		return -ENOMEM;
1845

1846 1847
	kbdbl_ctl->mode = kbd_backlight;
	kbdbl_ctl->timeout = kbd_backlight_timeout;
1848 1849 1850 1851 1852
	kbdbl_ctl->handle = handle;
	if (handle == 0x0137)
		kbdbl_ctl->base = 0x0C00;
	else
		kbdbl_ctl->base = 0x4000;
1853

1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867
	sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
	kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
	kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
	kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
	kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;

	sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
	kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
	kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
	kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
	kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;

	ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
	if (ret)
1868 1869
		goto outkzalloc;

1870 1871
	ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
	if (ret)
1872 1873
		goto outmode;

1874 1875
	__sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
	__sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1876

1877
	return 0;
1878 1879

outmode:
1880
	device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1881
outkzalloc:
1882 1883 1884
	kfree(kbdbl_ctl);
	kbdbl_ctl = NULL;
	return ret;
1885 1886
}

1887
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1888
{
1889 1890 1891 1892 1893
	if (kbdbl_ctl) {
		device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
		device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
		kfree(kbdbl_ctl);
		kbdbl_ctl = NULL;
1894 1895 1896
	}
}

1897
#ifdef CONFIG_PM_SLEEP
1898 1899 1900 1901
static void sony_nc_kbd_backlight_resume(void)
{
	int ignore = 0;

1902
	if (!kbdbl_ctl)
1903 1904
		return;

1905 1906
	if (kbdbl_ctl->mode == 0)
		sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1907
				&ignore);
1908 1909 1910 1911 1912

	if (kbdbl_ctl->timeout != 0)
		sony_call_snc_handle(kbdbl_ctl->handle,
				(kbdbl_ctl->base + 0x200) |
				(kbdbl_ctl->timeout << 0x10), &ignore);
1913
}
1914
#endif
1915

1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946
struct battery_care_control {
	struct device_attribute attrs[2];
	unsigned int handle;
};
static struct battery_care_control *bcare_ctl;

static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned int result, cmd;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

	/*  limit values (2 bits):
	 *  00 - none
	 *  01 - 80%
	 *  10 - 50%
	 *  11 - 100%
	 *
	 *  bit 0: 0 disable BCL, 1 enable BCL
	 *  bit 1: 1 tell to store the battery limit (see bits 6,7) too
	 *  bits 2,3: reserved
	 *  bits 4,5: store the limit into the EC
	 *  bits 6,7: store the limit into the battery
	 */
1947
	cmd = 0;
1948

1949 1950 1951 1952 1953 1954
	if (value > 0) {
		if (value <= 50)
			cmd = 0x20;

		else if (value <= 80)
			cmd = 0x10;
1955

1956 1957
		else if (value <= 100)
			cmd = 0x30;
1958

1959 1960
		else
			return -EINVAL;
1961

1962 1963 1964 1965 1966 1967 1968
		/*
		 * handle 0x0115 should allow storing on battery too;
		 * handle 0x0136 same as 0x0115 + health status;
		 * handle 0x013f, same as 0x0136 but no storing on the battery
		 */
		if (bcare_ctl->handle != 0x013f)
			cmd = cmd | (cmd << 2);
1969

1970 1971
		cmd = (cmd | 0x1) << 0x10;
	}
1972

1973
	if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077
		return -EIO;

	return count;
}

static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	unsigned int result, status;

	if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
		return -EIO;

	status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
	switch (status) {
	case 1:
		status = 80;
		break;
	case 2:
		status = 50;
		break;
	case 3:
		status = 100;
		break;
	default:
		status = 0;
		break;
	}

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

static ssize_t sony_nc_battery_care_health_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count = 0;
	unsigned int health;

	if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
		return -EIO;

	count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);

	return count;
}

static int sony_nc_battery_care_setup(struct platform_device *pd,
		unsigned int handle)
{
	int ret = 0;

	bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
	if (!bcare_ctl)
		return -ENOMEM;

	bcare_ctl->handle = handle;

	sysfs_attr_init(&bcare_ctl->attrs[0].attr);
	bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
	bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
	bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
	bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;

	ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
	if (ret)
		goto outkzalloc;

	/* 0x0115 is for models with no health reporting capability */
	if (handle == 0x0115)
		return 0;

	sysfs_attr_init(&bcare_ctl->attrs[1].attr);
	bcare_ctl->attrs[1].attr.name = "battery_care_health";
	bcare_ctl->attrs[1].attr.mode = S_IRUGO;
	bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;

	ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
	if (ret)
		goto outlimiter;

	return 0;

outlimiter:
	device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);

outkzalloc:
	kfree(bcare_ctl);
	bcare_ctl = NULL;

	return ret;
}

static void sony_nc_battery_care_cleanup(struct platform_device *pd)
{
	if (bcare_ctl) {
		device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
		if (bcare_ctl->handle != 0x0115)
			device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);

		kfree(bcare_ctl);
		bcare_ctl = NULL;
	}
}

2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167
struct snc_thermal_ctrl {
	unsigned int mode;
	unsigned int profiles;
	struct device_attribute mode_attr;
	struct device_attribute profiles_attr;
};
static struct snc_thermal_ctrl *th_handle;

#define THM_PROFILE_MAX 3
static const char * const snc_thermal_profiles[] = {
	"balanced",
	"silent",
	"performance"
};

static int sony_nc_thermal_mode_set(unsigned short mode)
{
	unsigned int result;

	/* the thermal profile seems to be a two bit bitmask:
	 * lsb -> silent
	 * msb -> performance
	 * no bit set is the normal operation and is always valid
	 * Some vaio models only have "balanced" and "performance"
	 */
	if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
		return -EINVAL;

	if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
		return -EIO;

	th_handle->mode = mode;

	return 0;
}

static int sony_nc_thermal_mode_get(void)
{
	unsigned int result;

	if (sony_call_snc_handle(0x0122, 0x0100, &result))
		return -EIO;

	return result & 0xff;
}

static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	short cnt;
	size_t idx = 0;

	for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
		if (!cnt || (th_handle->profiles & cnt))
			idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
					snc_thermal_profiles[cnt]);
	}
	idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");

	return idx;
}

static ssize_t sony_nc_thermal_mode_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned short cmd;
	size_t len = count;

	if (count == 0)
		return -EINVAL;

	/* skip the newline if present */
	if (buffer[len - 1] == '\n')
		len--;

	for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
		if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
			break;

	if (sony_nc_thermal_mode_set(cmd))
		return -EIO;

	return count;
}

static ssize_t sony_nc_thermal_mode_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	ssize_t count = 0;
2168
	int mode = sony_nc_thermal_mode_get();
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236

	if (mode < 0)
		return mode;

	count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);

	return count;
}

static int sony_nc_thermal_setup(struct platform_device *pd)
{
	int ret = 0;
	th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
	if (!th_handle)
		return -ENOMEM;

	ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
	if (ret) {
		pr_warn("couldn't to read the thermal profiles\n");
		goto outkzalloc;
	}

	ret = sony_nc_thermal_mode_get();
	if (ret < 0) {
		pr_warn("couldn't to read the current thermal profile");
		goto outkzalloc;
	}
	th_handle->mode = ret;

	sysfs_attr_init(&th_handle->profiles_attr.attr);
	th_handle->profiles_attr.attr.name = "thermal_profiles";
	th_handle->profiles_attr.attr.mode = S_IRUGO;
	th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;

	sysfs_attr_init(&th_handle->mode_attr.attr);
	th_handle->mode_attr.attr.name = "thermal_control";
	th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
	th_handle->mode_attr.show = sony_nc_thermal_mode_show;
	th_handle->mode_attr.store = sony_nc_thermal_mode_store;

	ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
	if (ret)
		goto outkzalloc;

	ret = device_create_file(&pd->dev, &th_handle->mode_attr);
	if (ret)
		goto outprofiles;

	return 0;

outprofiles:
	device_remove_file(&pd->dev, &th_handle->profiles_attr);
outkzalloc:
	kfree(th_handle);
	th_handle = NULL;
	return ret;
}

static void sony_nc_thermal_cleanup(struct platform_device *pd)
{
	if (th_handle) {
		device_remove_file(&pd->dev, &th_handle->profiles_attr);
		device_remove_file(&pd->dev, &th_handle->mode_attr);
		kfree(th_handle);
		th_handle = NULL;
	}
}

2237
#ifdef CONFIG_PM_SLEEP
2238 2239 2240 2241 2242 2243 2244
static void sony_nc_thermal_resume(void)
{
	unsigned int status = sony_nc_thermal_mode_get();

	if (status != th_handle->mode)
		sony_nc_thermal_mode_set(th_handle->mode);
}
2245
#endif
2246

2247 2248 2249 2250 2251 2252 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 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352
/* resume on LID open */
struct snc_lid_resume_control {
	struct device_attribute attrs[3];
	unsigned int status;
};
static struct snc_lid_resume_control *lid_ctl;

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

	if (kstrtoul(buffer, 10, &value) || value > 1)
		return -EINVAL;

	/* the value we have to write to SNC is a bitmask:
	 * +--------------+
	 * | S3 | S4 | S5 |
	 * +--------------+
	 *   2    1    0
	 */
	if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
		pos = 2;
	else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
		pos = 1;
	else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
		pos = 0;
	else
               return -EINVAL;

	if (value)
		value = lid_ctl->status | (1 << pos);
	else
		value = lid_ctl->status & ~(1 << pos);

	if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
		return -EIO;

	lid_ctl->status = value;

	return count;
}

static ssize_t sony_nc_lid_resume_show(struct device *dev,
				       struct device_attribute *attr, char *buffer)
{
	unsigned int pos;

	if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
		pos = 2;
	else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
		pos = 1;
	else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
		pos = 0;
	else
		return -EINVAL;
	       
	return snprintf(buffer, PAGE_SIZE, "%d\n",
			(lid_ctl->status >> pos) & 0x01);
}

static int sony_nc_lid_resume_setup(struct platform_device *pd)
{
	unsigned int result;
	int i;

	if (sony_call_snc_handle(0x0119, 0x0000, &result))
		return -EIO;

	lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
	if (!lid_ctl)
		return -ENOMEM;

	lid_ctl->status = result & 0x7;

	sysfs_attr_init(&lid_ctl->attrs[0].attr);
	lid_ctl->attrs[0].attr.name = "lid_resume_S3";
	lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
	lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
	lid_ctl->attrs[0].store = sony_nc_lid_resume_store;

	sysfs_attr_init(&lid_ctl->attrs[1].attr);
	lid_ctl->attrs[1].attr.name = "lid_resume_S4";
	lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
	lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
	lid_ctl->attrs[1].store = sony_nc_lid_resume_store;

	sysfs_attr_init(&lid_ctl->attrs[2].attr);
	lid_ctl->attrs[2].attr.name = "lid_resume_S5";
	lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
	lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
	lid_ctl->attrs[2].store = sony_nc_lid_resume_store;

	for (i = 0; i < 3; i++) {
		result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
		if (result)
			goto liderror;
	}

	return 0;

liderror:
2353
	for (i--; i >= 0; i--)
2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374
		device_remove_file(&pd->dev, &lid_ctl->attrs[i]);

	kfree(lid_ctl);
	lid_ctl = NULL;

	return result;
}

static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
{
	int i;

	if (lid_ctl) {
		for (i = 0; i < 3; i++)
			device_remove_file(&pd->dev, &lid_ctl->attrs[i]);

		kfree(lid_ctl);
		lid_ctl = NULL;
	}
}

2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
/* GFX Switch position */
enum gfx_switch {
	SPEED,
	STAMINA,
	AUTO
};
struct snc_gfx_switch_control {
	struct device_attribute attr;
	unsigned int handle;
};
static struct snc_gfx_switch_control *gfxs_ctl;

/* returns 0 for speed, 1 for stamina */
static int __sony_nc_gfx_switch_status_get(void)
{
	unsigned int result;

2392 2393 2394
	if (sony_call_snc_handle(gfxs_ctl->handle,
				gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
				&result))
2395 2396 2397 2398 2399 2400 2401 2402 2403
		return -EIO;

	switch (gfxs_ctl->handle) {
	case 0x0146:
		/* 1: discrete GFX (speed)
		 * 0: integrated GFX (stamina)
		 */
		return result & 0x1 ? SPEED : STAMINA;
		break;
2404 2405 2406 2407 2408 2409
	case 0x015B:
		/* 0: discrete GFX (speed)
		 * 1: integrated GFX (stamina)
		 */
		return result & 0x1 ? STAMINA : SPEED;
		break;
2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431
	case 0x0128:
		/* it's a more elaborated bitmask, for now:
		 * 2: integrated GFX (stamina)
		 * 0: discrete GFX (speed)
		 */
		dprintk("GFX Status: 0x%x\n", result);
		return result & 0x80 ? AUTO :
			result & 0x02 ? STAMINA : SPEED;
		break;
	}
	return -EINVAL;
}

static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
				       struct device_attribute *attr,
				       char *buffer)
{
	int pos = __sony_nc_gfx_switch_status_get();

	if (pos < 0)
		return pos;

2432 2433 2434 2435
	return snprintf(buffer, PAGE_SIZE, "%s\n",
					pos == SPEED ? "speed" :
					pos == STAMINA ? "stamina" :
					pos == AUTO ? "auto" : "unknown");
2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476
}

static int sony_nc_gfx_switch_setup(struct platform_device *pd,
		unsigned int handle)
{
	unsigned int result;

	gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
	if (!gfxs_ctl)
		return -ENOMEM;

	gfxs_ctl->handle = handle;

	sysfs_attr_init(&gfxs_ctl->attr.attr);
	gfxs_ctl->attr.attr.name = "gfx_switch_status";
	gfxs_ctl->attr.attr.mode = S_IRUGO;
	gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;

	result = device_create_file(&pd->dev, &gfxs_ctl->attr);
	if (result)
		goto gfxerror;

	return 0;

gfxerror:
	kfree(gfxs_ctl);
	gfxs_ctl = NULL;

	return result;
}

static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
{
	if (gfxs_ctl) {
		device_remove_file(&pd->dev, &gfxs_ctl->attr);

		kfree(gfxs_ctl);
		gfxs_ctl = NULL;
	}
}

2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 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
/* High speed charging function */
static struct device_attribute *hsc_handle;

static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
		struct device_attribute *attr,
		const char *buffer, size_t count)
{
	unsigned int result;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

	if (kstrtoul(buffer, 10, &value) || value > 1)
		return -EINVAL;

	if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
		return -EIO;

	return count;
}

static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	unsigned int result;

	if (sony_call_snc_handle(0x0131, 0x0100, &result))
		return -EIO;

	return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
}

static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
{
	unsigned int result;

	if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
		/* some models advertise the handle but have no implementation
		 * for it
		 */
		pr_info("No High Speed Charging capability found\n");
		return 0;
	}

	hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
	if (!hsc_handle)
		return -ENOMEM;

	sysfs_attr_init(&hsc_handle->attr);
	hsc_handle->attr.name = "battery_highspeed_charging";
	hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
	hsc_handle->show = sony_nc_highspeed_charging_show;
	hsc_handle->store = sony_nc_highspeed_charging_store;

	result = device_create_file(&pd->dev, hsc_handle);
	if (result) {
		kfree(hsc_handle);
		hsc_handle = NULL;
		return result;
	}

	return 0;
}

static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
{
	if (hsc_handle) {
		device_remove_file(&pd->dev, hsc_handle);
		kfree(hsc_handle);
		hsc_handle = NULL;
	}
}

2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625
/* Touchpad enable/disable */
struct touchpad_control {
	struct device_attribute attr;
	int handle;
};
static struct touchpad_control *tp_ctl;

static ssize_t sony_nc_touchpad_store(struct device *dev,
		struct device_attribute *attr, const char *buffer, size_t count)
{
	unsigned int result;
	unsigned long value;

	if (count > 31)
		return -EINVAL;

	if (kstrtoul(buffer, 10, &value) || value > 1)
		return -EINVAL;

	/* sysfs: 0 disabled, 1 enabled
	 * EC: 0 enabled, 1 disabled
	 */
	if (sony_call_snc_handle(tp_ctl->handle,
				(!value << 0x10) | 0x100, &result))
		return -EIO;

	return count;
}

static ssize_t sony_nc_touchpad_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	unsigned int result;

	if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
		return -EINVAL;

	return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
}

static int sony_nc_touchpad_setup(struct platform_device *pd,
		unsigned int handle)
{
	int ret = 0;

	tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
	if (!tp_ctl)
		return -ENOMEM;

	tp_ctl->handle = handle;

	sysfs_attr_init(&tp_ctl->attr.attr);
	tp_ctl->attr.attr.name = "touchpad";
	tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
	tp_ctl->attr.show = sony_nc_touchpad_show;
	tp_ctl->attr.store = sony_nc_touchpad_store;

	ret = device_create_file(&pd->dev, &tp_ctl->attr);
	if (ret) {
		kfree(tp_ctl);
		tp_ctl = NULL;
	}

	return ret;
}

static void sony_nc_touchpad_cleanup(struct platform_device *pd)
{
	if (tp_ctl) {
		device_remove_file(&pd->dev, &tp_ctl->attr);
		kfree(tp_ctl);
		tp_ctl = NULL;
	}
}

2626 2627 2628
static void sony_nc_backlight_ng_read_limits(int handle,
		struct sony_backlight_props *props)
{
2629 2630
	u64 offset;
	int i;
2631
	int lvl_table_len = 0;
2632
	u8 min = 0xff, max = 0x00;
2633
	unsigned char buffer[32] = { 0 };
2634 2635 2636 2637 2638 2639 2640 2641 2642 2643

	props->handle = handle;
	props->offset = 0;
	props->maxlvl = 0xff;

	offset = sony_find_snc_handle(handle);

	/* try to read the boundaries from ACPI tables, if we fail the above
	 * defaults should be reasonable
	 */
2644 2645 2646
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
2647 2648
		return;

2649 2650 2651 2652 2653 2654
	switch (handle) {
	case 0x012f:
	case 0x0137:
		lvl_table_len = 9;
		break;
	case 0x143:
2655 2656
	case 0x14b:
	case 0x14c:
2657 2658 2659 2660
		lvl_table_len = 16;
		break;
	}

2661
	/* the buffer lists brightness levels available, brightness levels are
2662 2663
	 * from position 0 to 8 in the array, other values are used by ALS
	 * control.
2664
	 */
2665
	for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2666

2667
		dprintk("Brightness level: %d\n", buffer[i]);
2668

2669
		if (!buffer[i])
2670 2671
			break;

2672 2673 2674 2675
		if (buffer[i] > max)
			max = buffer[i];
		if (buffer[i] < min)
			min = buffer[i];
2676 2677 2678 2679 2680 2681 2682
	}
	props->offset = min;
	props->maxlvl = max;
	dprintk("Brightness levels: min=%d max=%d\n", props->offset,
			props->maxlvl);
}

2683 2684 2685 2686 2687 2688 2689
static void sony_nc_backlight_setup(void)
{
	acpi_handle unused;
	int max_brightness = 0;
	const struct backlight_ops *ops = NULL;
	struct backlight_properties props;

2690
	if (sony_find_snc_handle(0x12f) >= 0) {
2691
		ops = &sony_backlight_ng_ops;
2692
		sony_bl_props.cmd_base = 0x0100;
2693 2694
		sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2695

2696
	} else if (sony_find_snc_handle(0x137) >= 0) {
2697
		ops = &sony_backlight_ng_ops;
2698
		sony_bl_props.cmd_base = 0x0100;
2699 2700
		sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2701

2702
	} else if (sony_find_snc_handle(0x143) >= 0) {
2703 2704 2705 2706 2707
		ops = &sony_backlight_ng_ops;
		sony_bl_props.cmd_base = 0x3000;
		sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;

2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719
	} else if (sony_find_snc_handle(0x14b) >= 0) {
		ops = &sony_backlight_ng_ops;
		sony_bl_props.cmd_base = 0x3000;
		sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;

	} else if (sony_find_snc_handle(0x14c) >= 0) {
		ops = &sony_backlight_ng_ops;
		sony_bl_props.cmd_base = 0x3000;
		sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;

2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730
	} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
						&unused))) {
		ops = &sony_backlight_ops;
		max_brightness = SONY_MAX_BRIGHTNESS - 1;

	} else
		return;

	memset(&props, 0, sizeof(struct backlight_properties));
	props.type = BACKLIGHT_PLATFORM;
	props.max_brightness = max_brightness;
2731 2732 2733
	sony_bl_props.dev = backlight_device_register("sony", NULL,
						      &sony_bl_props,
						      ops, &props);
2734

2735
	if (IS_ERR(sony_bl_props.dev)) {
2736
		pr_warn("unable to register backlight device\n");
2737
		sony_bl_props.dev = NULL;
2738
	} else
2739 2740
		sony_bl_props.dev->props.brightness =
			ops->get_brightness(sony_bl_props.dev);
2741 2742 2743 2744
}

static void sony_nc_backlight_cleanup(void)
{
2745 2746
	if (sony_bl_props.dev)
		backlight_device_unregister(sony_bl_props.dev);
2747 2748
}

2749
static int sony_nc_add(struct acpi_device *device)
2750 2751
{
	acpi_status status;
2752
	int result = 0;
2753
	acpi_handle handle;
2754
	struct sony_nc_value *item;
2755

2756
	pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2757

2758
	sony_nc_acpi_device = device;
2759
	strcpy(acpi_device_class(device), "sony/hotkey");
2760

2761
	sony_nc_acpi_handle = device->handle;
2762

2763 2764 2765 2766 2767 2768 2769 2770 2771
	/* 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;
	}

2772 2773 2774 2775
	result = sony_pf_add();
	if (result)
		goto outpresent;

2776
	if (debug) {
2777 2778 2779
		status = acpi_walk_namespace(ACPI_TYPE_METHOD,
				sony_nc_acpi_handle, 1, sony_walk_callback,
				NULL, NULL, NULL);
2780
		if (ACPI_FAILURE(status)) {
2781
			pr_warn("unable to walk acpi resources\n");
2782
			result = -ENODEV;
2783
			goto outpresent;
2784
		}
2785
	}
2786

2787 2788 2789 2790 2791 2792
	result = sony_laptop_setup_input(device);
	if (result) {
		pr_err("Unable to create input devices\n");
		goto outplatform;
	}

2793 2794
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
2795 2796
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2797 2798 2799
			dprintk("ECON Method failed\n");
	}

2800 2801 2802
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
2803
		/* retrieve the available handles */
2804
		result = sony_nc_handles_setup(sony_pf_device);
2805 2806
		if (!result)
			sony_nc_function_setup(device, sony_pf_device);
2807 2808
	}

2809
	/* setup input devices and helper fifo */
2810
	if (acpi_video_backlight_support()) {
2811
		pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2812 2813
	} else {
		sony_nc_backlight_setup();
2814
	}
2815

2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826
	/* 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))) {
2827 2828
				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
2829 2830 2831 2832 2833 2834 2835 2836 2837 2838
				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))) {
2839 2840
				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854
				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;
		}
	}

2855 2856
	return 0;

2857
out_sysfs:
2858 2859 2860
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
2861
	sony_nc_backlight_cleanup();
2862
	sony_nc_function_cleanup(sony_pf_device);
2863 2864
	sony_nc_handles_cleanup(sony_pf_device);

2865 2866 2867 2868
outplatform:
	sony_laptop_remove_input();

outpresent:
2869 2870
	sony_pf_remove();

2871
outwalk:
2872
	sony_nc_rfkill_cleanup();
2873 2874 2875
	return result;
}

2876
static int sony_nc_remove(struct acpi_device *device)
2877
{
2878
	struct sony_nc_value *item;
2879

2880
	sony_nc_backlight_cleanup();
2881

2882
	sony_nc_acpi_device = NULL;
2883

2884 2885 2886 2887
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

2888
	sony_nc_function_cleanup(sony_pf_device);
2889
	sony_nc_handles_cleanup(sony_pf_device);
2890
	sony_pf_remove();
2891
	sony_laptop_remove_input();
2892
	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2893 2894 2895 2896

	return 0;
}

2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908
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},
};

2909 2910 2911
static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
2912
	.ids = sony_nc_device_ids,
2913
	.owner = THIS_MODULE,
L
Len Brown 已提交
2914
	.ops = {
2915 2916
		.add = sony_nc_add,
		.remove = sony_nc_remove,
2917
		.notify = sony_nc_notify,
L
Len Brown 已提交
2918
		},
2919
	.drv.pm = &sony_nc_pm,
2920 2921
};

2922 2923 2924 2925 2926 2927
/*********** SPIC (SNY6001) Device ***********/

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

2928 2929 2930
#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
2931 2932

struct sony_pic_ioport {
2933 2934
	struct acpi_resource_io	io1;
	struct acpi_resource_io	io2;
2935 2936 2937 2938 2939 2940 2941 2942
	struct list_head	list;
};

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

2943 2944 2945 2946 2947 2948
struct sonypi_eventtypes {
	u8			data;
	unsigned long		mask;
	struct sonypi_event	*events;
};

2949 2950 2951 2952 2953 2954 2955 2956 2957
struct sony_pic_dev {
	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;
	struct mutex			lock;
	struct sonypi_eventtypes	*event_types;
	int                             (*handle_irq)(const u8, const u8);
2958 2959
	int				model;
	u16				evport_offset;
2960 2961 2962
	u8				camera_power;
	u8				bluetooth_power;
	u8				wwan_power;
2963 2964 2965 2966 2967 2968 2969
};

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

2970 2971
static int spic_drv_registered;

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 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020
/* 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 },
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Mattia Dongili 已提交
3021
	{ 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057
	{ 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 },
3058
	{ 0x20, SONYPI_EVENT_PKEY_P1 },
3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071
	{ 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[] = {
3072 3073
	{ 0x59, SONYPI_EVENT_IGNORE },
	{ 0x5a, SONYPI_EVENT_IGNORE },
3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099
	{ 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 },
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Mattia Dongili 已提交
3100 3101
	{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
	{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3102
	{ 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132
	{ 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 }
};

3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145
/* 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 }
};

3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182
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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Mattia Dongili 已提交
3183 3184 3185
	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3186 3187
	{ 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
	{ 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
M
Mattia Dongili 已提交
3188
	{ 0 },
3189 3190
};

M
Mattia Dongili 已提交
3191
/* low level spic calls */
3192 3193 3194 3195 3196 3197 3198 3199
#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",	\
3200
				__FILE__, __func__, __LINE__);	\
3201 3202 3203 3204 3205 3206
}

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

3207
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3208
			ITERATIONS_LONG);
3209 3210 3211
	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);
3212
	dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3213 3214 3215 3216 3217 3218 3219
	return v2;
}

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

3220
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3221
			ITERATIONS_LONG);
3222 3223
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3224
			ITERATIONS_LONG);
3225 3226
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3227
	dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3228 3229 3230
	return v1;
}

3231 3232 3233 3234
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

3235 3236 3237 3238 3239 3240 3241
	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);
3242 3243
	dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
			dev, fn, v, v1);
3244 3245 3246
	return v1;
}

M
Mattia Dongili 已提交
3247 3248 3249
/*
 * minidrivers for SPIC models
 */
3250
static int type3_handle_irq(const u8 data_mask, const u8 ev)
M
Mattia Dongili 已提交
3251 3252 3253
{
	/*
	 * 0x31 could mean we have to take some extra action and wait for
3254
	 * the next irq for some Type3 models, it will generate a new
M
Mattia Dongili 已提交
3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275
	 * 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 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) {
3276 3277 3278
		dev->model = SONYPI_DEVICE_TYPE1;
		dev->evport_offset = SONYPI_TYPE1_OFFSET;
		dev->event_types = type1_events;
M
Mattia Dongili 已提交
3279 3280 3281 3282 3283 3284
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
	if (pcidev) {
3285 3286 3287
		dev->model = SONYPI_DEVICE_TYPE2;
		dev->evport_offset = SONYPI_TYPE2_OFFSET;
		dev->event_types = type2_events;
M
Mattia Dongili 已提交
3288 3289 3290 3291 3292 3293
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
	if (pcidev) {
3294 3295 3296 3297
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
M
Mattia Dongili 已提交
3298 3299 3300 3301 3302 3303
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
	if (pcidev) {
3304 3305 3306 3307
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
M
Mattia Dongili 已提交
3308 3309 3310
		goto out;
	}

3311 3312 3313
	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
	if (pcidev) {
3314 3315 3316 3317
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
3318 3319 3320
		goto out;
	}

M
Mattia Dongili 已提交
3321
	/* default */
3322 3323 3324
	dev->model = SONYPI_DEVICE_TYPE2;
	dev->evport_offset = SONYPI_TYPE2_OFFSET;
	dev->event_types = type2_events;
M
Mattia Dongili 已提交
3325 3326 3327 3328 3329

out:
	if (pcidev)
		pci_dev_put(pcidev);

3330 3331 3332
	pr_info("detected Type%d model\n",
		dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
		dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
M
Mattia Dongili 已提交
3333 3334
}

3335 3336 3337
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365

#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
3366

3367
static int __sony_pic_camera_ready(void)
3368 3369 3370 3371 3372 3373 3374
{
	u8 v;

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

3375
static int __sony_pic_camera_off(void)
3376
{
3377
	if (!camera) {
3378
		pr_warn("camera control not enabled\n");
3379 3380 3381
		return -ENODEV;
	}

3382 3383 3384 3385
	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

3386 3387 3388 3389 3390
	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
3391 3392
}

3393
static int __sony_pic_camera_on(void)
3394
{
3395 3396 3397
	int i, j, x;

	if (!camera) {
3398
		pr_warn("camera control not enabled\n");
3399 3400
		return -ENODEV;
	}
3401 3402

	if (spic_dev.camera_power)
3403
		return 0;
3404 3405 3406

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

3407
		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3408 3409 3410 3411
			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
3412
			if (__sony_pic_camera_ready())
3413 3414 3415 3416 3417 3418 3419 3420
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
3421
		pr_warn("failed to power on camera\n");
3422
		return -ENODEV;
3423 3424 3425 3426 3427 3428 3429
	}

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

	spic_dev.camera_power = 1;
3430
	return 0;
3431 3432
}

3433 3434 3435 3436 3437 3438 3439 3440 3441
/* 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) {
3442
	case SONY_PIC_COMMAND_SETCAMERA:
3443 3444 3445 3446 3447
		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
3448
	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3449 3450 3451
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
3452
	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3453 3454 3455
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
3456
	case SONY_PIC_COMMAND_SETCAMERAHUE:
3457 3458 3459
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
3460
	case SONY_PIC_COMMAND_SETCAMERACOLOR:
3461 3462 3463
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
3464
	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3465 3466 3467
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
3468
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3469 3470 3471
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
3472
	case SONY_PIC_COMMAND_SETCAMERAAGC:
3473 3474 3475 3476
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
				ITERATIONS_SHORT);
		break;
	default:
3477
		pr_err("sony_pic_camera_command invalid: %d\n", command);
3478 3479 3480 3481 3482 3483 3484
		break;
	}
	mutex_unlock(&spic_dev.lock);
	return 0;
}
EXPORT_SYMBOL(sony_pic_camera_command);

3485
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3486
static void __sony_pic_set_wwanpower(u8 state)
3487 3488
{
	state = !!state;
3489
	if (spic_dev.wwan_power == state)
3490 3491
		return;
	sony_pic_call2(0xB0, state);
3492
	sony_pic_call1(0x82);
3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503
	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;

3504 3505 3506
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3507 3508 3509
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_wwanpower(value);
	mutex_unlock(&spic_dev.lock);
3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523

	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;
}

3524
/* bluetooth subsystem power state */
3525
static void __sony_pic_set_bluetoothpower(u8 state)
3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542
{
	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;

3543 3544 3545
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3546 3547 3548
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
3549 3550 3551 3552 3553 3554 3555

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
3556 3557 3558 3559 3560
	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;
3561 3562 3563 3564 3565
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
3566 3567 3568 3569 3570 3571 3572 3573 3574 3575
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);
}

3576 3577 3578 3579 3580 3581 3582 3583
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;

3584 3585 3586
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3587
	if (sony_pic_set_fanspeed(value))
3588 3589 3590 3591 3592 3593 3594 3595 3596
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
3597
	if (sony_pic_get_fanspeed(&value))
3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608
		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);
3609
static SPIC_ATTR(wwanpower, 0644);
3610 3611 3612 3613
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
3614
	&spic_attr_wwanpower.attr,
3615 3616 3617 3618 3619 3620 3621 3622
	&spic_attr_fanspeed.attr,
	NULL
};

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

3623
/******** SONYPI compatibility **********/
3624
#ifdef CONFIG_SONYPI_COMPAT
3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642

/* 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;
3643
	struct kfifo		fifo;
3644 3645 3646 3647 3648 3649 3650 3651 3652 3653
	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)
{
3654
	return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665
}

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
3666 3667
	unsigned long flags;

3668
	spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3669

3670
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
S
Stefani Seibold 已提交
3671
		kfifo_reset(&sonypi_compat.fifo);
A
Alessio Igor Bogani 已提交
3672

3673
	spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3674

3675 3676 3677 3678 3679 3680 3681 3682 3683
	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;

3684
	if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3685 3686 3687 3688
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3689
				       kfifo_len(&sonypi_compat.fifo) != 0);
3690 3691 3692 3693
	if (ret)
		return ret;

	while (ret < count &&
3694
	       (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
S
Stefani Seibold 已提交
3695
			  &sonypi_compat.fifo_lock) == sizeof(c))) {
3696 3697 3698 3699 3700 3701
		if (put_user(c, buf++))
			return -EFAULT;
		ret++;
	}

	if (ret > 0) {
A
Al Viro 已提交
3702
		struct inode *inode = file_inode(file);
3703 3704 3705 3706 3707 3708 3709 3710 3711
		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);
3712
	if (kfifo_len(&sonypi_compat.fifo))
3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727
		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
3728 3729
static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
							unsigned long arg)
3730 3731 3732 3733 3734 3735 3736
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

3737
	mutex_lock(&spic_dev.lock);
3738 3739
	switch (cmd) {
	case SONYPI_IOCGBRT:
3740
		if (sony_bl_props.dev == NULL) {
3741 3742 3743
			ret = -EIO;
			break;
		}
3744 3745
		if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
					&value)) {
3746 3747 3748 3749 3750 3751 3752 3753
			ret = -EIO;
			break;
		}
		val8 = ((value & 0xff) - 1) << 5;
		if (copy_to_user(argp, &val8, sizeof(val8)))
				ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
3754
		if (sony_bl_props.dev == NULL) {
3755 3756 3757 3758 3759 3760 3761
			ret = -EIO;
			break;
		}
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
3762 3763 3764
		value = (val8 >> 5) + 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
					NULL)) {
3765 3766 3767 3768
			ret = -EIO;
			break;
		}
		/* sync the backlight device status */
3769 3770
		sony_bl_props.dev->props.brightness =
		    sony_backlight_get_brightness(sony_bl_props.dev);
3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822
		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;
		}
3823
		__sony_pic_set_bluetoothpower(val8);
3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853
		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;
	}
3854
	mutex_unlock(&spic_dev.lock);
3855 3856 3857 3858 3859 3860 3861 3862 3863 3864
	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
3865
	.unlocked_ioctl	= sonypi_misc_ioctl,
3866
	.llseek		= noop_llseek,
3867 3868 3869 3870 3871 3872 3873 3874 3875 3876
};

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

static void sonypi_compat_report_event(u8 event)
{
3877
	kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
S
Stefani Seibold 已提交
3878
			sizeof(event), &sonypi_compat.fifo_lock);
3879 3880 3881 3882 3883 3884 3885 3886 3887
	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);
3888
	error =
S
Stefani Seibold 已提交
3889
	 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3890
	if (error) {
3891
		pr_err("kfifo_alloc failed\n");
3892
		return error;
3893 3894 3895 3896 3897 3898 3899 3900
	}

	init_waitqueue_head(&sonypi_compat.fifo_proc_list);

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
3901
		pr_err("misc_register failed\n");
3902 3903 3904
		goto err_free_kfifo;
	}
	if (minor == -1)
3905 3906
		pr_info("device allocated minor is %d\n",
			sonypi_misc_device.minor);
3907 3908 3909 3910

	return 0;

err_free_kfifo:
3911
	kfifo_free(&sonypi_compat.fifo);
3912 3913 3914 3915 3916 3917
	return error;
}

static void sonypi_compat_exit(void)
{
	misc_deregister(&sonypi_misc_device);
3918
	kfifo_free(&sonypi_compat.fifo);
3919 3920 3921 3922 3923
}
#else
static int sonypi_compat_init(void) { return 0; }
static void sonypi_compat_exit(void) { }
static void sonypi_compat_report_event(u8 event) { }
3924
#endif /* CONFIG_SONYPI_COMPAT */
3925

3926
/*
3927
 * ACPI callbacks
3928
 */
3929 3930 3931 3932 3933 3934 3935 3936
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:
3937 3938 3939 3940 3941 3942 3943 3944 3945 3946
		{
			/* 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;
		}

3947
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3948
		/* end IO enumeration */
3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964
		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]) {
3965 3966
					pr_warn("Invalid IRQ %d\n",
						p->interrupts[i]);
3967 3968 3969 3970 3971 3972 3973
					continue;
				}
				interrupt = kzalloc(sizeof(*interrupt),
						GFP_KERNEL);
				if (!interrupt)
					return AE_ERROR;

3974
				list_add(&interrupt->list, &dev->interrupts);
3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985
				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;
3986 3987
			struct sony_pic_ioport *ioport =
				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3988 3989 3990 3991 3992
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003
			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 {
4004
				pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4005
				return AE_ERROR;
4006
			}
4007 4008 4009 4010
			return AE_OK;
		}
	default:
		dprintk("Resource %d isn't an IRQ nor an IO port\n",
4011
			resource->type);
4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031

	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) {
4032
		pr_warn("Unable to read status\n");
4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047
		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)) {
4048
		pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059
		result = -ENODEV;
	}
end:
	return result;
}

/*
 *  Disable the spic device by calling its _DIS method
 */
static int sony_pic_disable(struct acpi_device *device)
{
4060 4061 4062 4063
	acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
					       NULL);

	if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080
		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;
4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091
	/* Type 1 resource layout is:
	 *    IO
	 *    IO
	 *    IRQNoFlags
	 *    End
	 *
	 * Type 2 and 3 resource layout is:
	 *    IO
	 *    IRQNoFlags
	 *    End
	 */
4092
	struct {
4093 4094 4095 4096
		struct acpi_resource res1;
		struct acpi_resource res2;
		struct acpi_resource res3;
		struct acpi_resource res4;
4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110
	} *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;

4111
	/* setup Type 1 resources */
4112
	if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4113

4114 4115 4116 4117 4118
		/* 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));
4119

4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133
		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;
4134
		resource->res4.length = sizeof(struct acpi_resource);
4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152
	}
	/* 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;
4153
		resource->res3.length = sizeof(struct acpi_resource);
4154
	}
4155 4156 4157 4158 4159 4160 4161

	/* 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)) {
4162
		pr_err("Error evaluating _SRS\n");
4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190
		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;

4191 4192 4193 4194
	ev = inb_p(dev->cur_ioport->io1.minimum);
	if (dev->cur_ioport->io2.minimum)
		data_mask = inb_p(dev->cur_ioport->io2.minimum);
	else
4195
		data_mask = inb_p(dev->cur_ioport->io1.minimum +
4196
				dev->evport_offset);
4197

4198
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4199
			ev, data_mask, dev->cur_ioport->io1.minimum,
4200
			dev->evport_offset);
4201 4202 4203 4204

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

4205
	for (i = 0; dev->event_types[i].mask; i++) {
4206

4207 4208
		if ((data_mask & dev->event_types[i].data) !=
		    dev->event_types[i].data)
4209 4210
			continue;

4211
		if (!(mask & dev->event_types[i].mask))
4212 4213
			continue;

4214 4215
		for (j = 0; dev->event_types[i].events[j].event; j++) {
			if (ev == dev->event_types[i].events[j].data) {
4216
				device_event =
4217
					dev->event_types[i].events[j].event;
4218 4219 4220
				/* some events may require ignoring */
				if (!device_event)
					return IRQ_HANDLED;
4221 4222 4223 4224
				goto found;
			}
		}
	}
M
Mattia Dongili 已提交
4225 4226 4227
	/* Still not able to decode the event try to pass
	 * it over to the minidriver
	 */
4228
	if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
M
Mattia Dongili 已提交
4229 4230
		return IRQ_HANDLED;

4231 4232
	dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io1.minimum,
4233
			dev->evport_offset);
4234 4235 4236
	return IRQ_HANDLED;

found:
4237
	sony_laptop_report_input_event(device_event);
4238
	sonypi_compat_report_event(device_event);
4239 4240 4241 4242 4243 4244 4245 4246
	return IRQ_HANDLED;
}

/*****************
 *
 *  ACPI driver
 *
 *****************/
4247
static int sony_pic_remove(struct acpi_device *device)
4248 4249 4250 4251 4252
{
	struct sony_pic_ioport *io, *tmp_io;
	struct sony_pic_irq *irq, *tmp_irq;

	if (sony_pic_disable(device)) {
4253
		pr_err("Couldn't disable device\n");
4254 4255 4256 4257
		return -ENXIO;
	}

	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4258 4259 4260 4261 4262
	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);
4263

4264 4265
	sonypi_compat_exit();

4266
	sony_laptop_remove_input();
4267

4268 4269 4270 4271
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282
	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;

4283
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4284 4285 4286 4287 4288 4289 4290 4291 4292
	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;

4293
	pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4294 4295 4296

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
4297
	sony_pic_detect_device_type(&spic_dev);
4298
	mutex_init(&spic_dev.lock);
4299 4300 4301 4302

	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
4303
		pr_err("Unable to read possible resources\n");
4304 4305 4306 4307
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
4308
	result = sony_laptop_setup_input(device);
4309
	if (result) {
4310
		pr_err("Unable to create input devices\n");
4311 4312 4313
		goto err_free_resources;
	}

4314 4315
	result = sonypi_compat_init();
	if (result)
4316 4317
		goto err_remove_input;

4318
	/* request io port */
4319 4320
	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
		if (request_region(io->io1.minimum, io->io1.address_length,
4321
					"Sony Programmable I/O Device")) {
4322 4323 4324 4325 4326 4327 4328
			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,
4329
						"Sony Programmable I/O Device")) {
4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348
					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;
			}
4349 4350 4351
		}
	}
	if (!spic_dev.cur_ioport) {
4352
		pr_err("Failed to request_region\n");
4353
		result = -ENODEV;
4354
		goto err_remove_compat;
4355 4356 4357
	}

	/* request IRQ */
4358
	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4359
		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
Y
Yong Zhang 已提交
4360
					0, "sony-laptop", &spic_dev)) {
4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371
			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) {
4372
		pr_err("Failed to request_irq\n");
4373 4374 4375 4376 4377 4378 4379
		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) {
4380
		pr_err("Couldn't enable device\n");
4381 4382 4383
		goto err_free_irq;
	}

4384 4385 4386 4387 4388 4389 4390 4391 4392 4393
	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;

4394 4395
	return 0;

4396 4397 4398 4399 4400 4401
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

4402 4403 4404 4405
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
4406 4407 4408 4409 4410
	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);
4411

4412 4413 4414
err_remove_compat:
	sonypi_compat_exit();

4415
err_remove_input:
4416
	sony_laptop_remove_input();
4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432

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;
}

4433
#ifdef CONFIG_PM_SLEEP
4434
static int sony_pic_suspend(struct device *dev)
4435
{
4436
	if (sony_pic_disable(to_acpi_device(dev)))
4437 4438 4439 4440
		return -ENXIO;
	return 0;
}

4441
static int sony_pic_resume(struct device *dev)
4442
{
4443 4444
	sony_pic_enable(to_acpi_device(dev),
			spic_dev.cur_ioport, spic_dev.cur_irq);
4445 4446
	return 0;
}
4447
#endif
4448

4449 4450
static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);

4451 4452 4453 4454 4455
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

4456 4457 4458
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
4459
	.ids = sony_pic_device_ids,
4460 4461 4462 4463 4464
	.owner = THIS_MODULE,
	.ops = {
		.add = sony_pic_add,
		.remove = sony_pic_remove,
		},
4465
	.drv.pm = &sony_pic_pm,
4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485
};

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-"),
		},
	},
	{ }
};

4486
static int __init sony_laptop_init(void)
4487
{
4488 4489 4490 4491 4492
	int result;

	if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
		result = acpi_bus_register_driver(&sony_pic_driver);
		if (result) {
4493
			pr_err("Unable to register SPIC driver\n");
4494 4495
			goto out;
		}
4496
		spic_drv_registered = 1;
4497 4498 4499 4500
	}

	result = acpi_bus_register_driver(&sony_nc_driver);
	if (result) {
4501
		pr_err("Unable to register SNC driver\n");
4502 4503 4504 4505 4506 4507
		goto out_unregister_pic;
	}

	return 0;

out_unregister_pic:
4508
	if (spic_drv_registered)
4509 4510 4511
		acpi_bus_unregister_driver(&sony_pic_driver);
out:
	return result;
4512 4513
}

4514
static void __exit sony_laptop_exit(void)
4515
{
4516
	acpi_bus_unregister_driver(&sony_nc_driver);
4517
	if (spic_drv_registered)
4518
		acpi_bus_unregister_driver(&sony_pic_driver);
4519 4520
}

4521 4522
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);