sony-laptop.c 110.6 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, "
		 "1 to enable it (default: 0)");

static int kbd_backlight_timeout;	/* = 0 */
module_param(kbd_backlight_timeout, int, 0444);
MODULE_PARM_DESC(kbd_backlight_timeout,
		 "set this to 0 to set the default 10 seconds timeout, "
		 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
		 "(default: 0)");

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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;
474
	key_dev->dev.parent = &acpi_device->dev;
475 476

	/* Initialize the Input Drivers: special keys */
477 478 479
	input_set_capability(key_dev, EV_MSC, MSC_SCAN);

	__set_bit(EV_KEY, key_dev->evbit);
480 481 482
	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;
483 484 485
	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);
486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502

	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;
503
	jog_dev->dev.parent = &acpi_device->dev;
504

505 506
	input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
	input_set_capability(jog_dev, EV_REL, REL_WHEEL);
507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527

	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:
528
	kfifo_free(&sony_laptop_input.fifo);
529 530 531 532 533 534 535 536

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

static void sony_laptop_remove_input(void)
{
537 538 539
	struct sony_laptop_keypress kp = { NULL };

	/* Cleanup only after the last user has gone */
540 541 542
	if (!atomic_dec_and_test(&sony_laptop_input.users))
		return;

543
	del_timer_sync(&sony_laptop_input.release_key_timer);
544 545 546 547 548 549 550 551 552 553

	/*
	 * 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);
	}
554 555 556 557 558 559 560 561 562 563

	/* 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;
	}

564
	kfifo_free(&sony_laptop_input.fifo);
565 566
}

567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617
/*********** 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;

618
	platform_device_unregister(sony_pf_device);
619 620 621 622 623
	platform_driver_unregister(&sony_pf_driver);
}

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

624 625 626 627 628 629 630
/* 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

631
static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
L
Len Brown 已提交
632
			      char *);
633
static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
L
Len Brown 已提交
634
			       const char *, size_t);
635 636 637
static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);

638
struct sony_nc_value {
L
Len Brown 已提交
639 640 641
	char *name;		/* name of the entry */
	char **acpiget;		/* names of the ACPI get function */
	char **acpiset;		/* names of the ACPI set function */
642
	int (*validate)(const int, const int);	/* input/output validation */
L
Len Brown 已提交
643 644 645
	int value;		/* current setting */
	int valid;		/* Has ever been set */
	int debug;		/* active only in debug mode ? */
646
	struct device_attribute devattr;	/* sysfs attribute */
647 648
};

649
#define SNC_HANDLE_NAMES(_name, _values...) \
650 651
	static char *snc_##_name[] = { _values, NULL }

652
#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
653 654 655 656
	{ \
		.name		= __stringify(_name), \
		.acpiget	= _getters, \
		.acpiset	= _setters, \
657
		.validate	= _validate, \
658
		.debug		= _debug, \
659
		.devattr	= __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
660
	}
661

662
#define SNC_HANDLE_NULL	{ .name = NULL }
663

664
SNC_HANDLE_NAMES(fnkey_get, "GHKE");
665

666 667
SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
668

669 670
SNC_HANDLE_NAMES(cdpower_get, "GCDP");
SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
671

672 673
SNC_HANDLE_NAMES(audiopower_get, "GAZP");
SNC_HANDLE_NAMES(audiopower_set, "AZPW");
674

675 676
SNC_HANDLE_NAMES(lanpower_get, "GLNP");
SNC_HANDLE_NAMES(lanpower_set, "LNPW");
677

678 679 680 681 682 683 684 685
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");

686
SNC_HANDLE_NAMES(PID_get, "GPID");
687

688 689
SNC_HANDLE_NAMES(CTR_get, "GCTR");
SNC_HANDLE_NAMES(CTR_set, "SCTR");
690

691 692
SNC_HANDLE_NAMES(PCR_get, "GPCR");
SNC_HANDLE_NAMES(PCR_set, "SPCR");
693

694 695
SNC_HANDLE_NAMES(CMI_get, "GCMI");
SNC_HANDLE_NAMES(CMI_set, "SCMI");
696

697 698
static struct sony_nc_value sony_nc_values[] = {
	SNC_HANDLE(brightness_default, snc_brightness_def_get,
699
			snc_brightness_def_set, brightness_default_validate, 0),
700 701 702
	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,
703
			boolean_validate, 0),
704
	SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
705
			boolean_validate, 1),
706 707 708 709 710 711
	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),
712
	/* unknown methods */
713 714 715 716 717
	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
718 719
};

720 721
static acpi_handle sony_nc_acpi_handle;
static struct acpi_device *sony_nc_acpi_device = NULL;
722

723 724
/*
 * acpi_evaluate_object wrappers
725 726
 * all useful calls into SNC methods take one or zero parameters and return
 * integers or arrays.
727
 */
728 729
static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
		u64 *value)
730
{
731 732
	union acpi_object *result = NULL;
	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
733 734
	acpi_status status;

735 736 737 738 739 740 741 742
	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);
743 744 745 746
		dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
				(unsigned int)(*value >> 32),
				(unsigned int)*value & 0xffffffff);
	} else {
747
		status = acpi_evaluate_object(handle, method, NULL, &output);
748 749
		dprintk("__call_snc_method: [%s]\n", method);
	}
750

751 752 753
	if (ACPI_FAILURE(status)) {
		pr_err("Failed to evaluate [%s]\n", method);
		return NULL;
754 755
	}

756 757 758
	result = (union acpi_object *) output.pointer;
	if (!result)
		dprintk("No return object [%s]\n", method);
759

760
	return result;
761 762
}

763 764
static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
		int *result)
765
{
766 767 768 769 770 771
	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);
772

773 774
	if (!object)
		return -EINVAL;
775

776 777 778 779 780
	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;
781 782
	}

783 784
	if (result)
		*result = object->integer.value;
785

786 787 788 789 790 791 792 793
	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)
{
794
	int ret = 0;
795 796 797 798 799 800
	size_t len = len;
	union acpi_object *object = __call_snc_method(handle, name, value);

	if (!object)
		return -EINVAL;

801
	if (object->type == ACPI_TYPE_BUFFER) {
802
		len = MIN(buflen, object->buffer.length);
803
		memcpy(buffer, object->buffer.pointer, len);
804

805
	} else if (object->type == ACPI_TYPE_INTEGER) {
806
		len = MIN(buflen, sizeof(object->integer.value));
807
		memcpy(buffer, &object->integer.value, len);
808

809
	} else {
810 811
		pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
				ACPI_TYPE_BUFFER, object->type);
812
		ret = -EINVAL;
813 814 815
	}

	kfree(object);
816
	return ret;
817 818
}

819 820 821 822 823
struct sony_nc_handles {
	u16 cap[0x10];
	struct device_attribute devattr;
};

824
static struct sony_nc_handles *handles;
825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841

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)
842
{
843
	int i, r, result, arg;
844

845
	handles = kzalloc(sizeof(*handles), GFP_KERNEL);
846 847
	if (!handles)
		return -ENOMEM;
848 849

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
850 851 852 853
		arg = i + 0x20;
		r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
					&result);
		if (!r) {
854 855 856
			dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
					result, i);
			handles->cap[i] = result;
857
		}
858 859
	}

860 861 862 863 864 865 866 867 868 869 870 871
	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;
		}
872 873 874 875 876 877 878 879
	}

	return 0;
}

static int sony_nc_handles_cleanup(struct platform_device *pd)
{
	if (handles) {
880 881
		if (debug)
			device_remove_file(&pd->dev, &handles->devattr);
882 883 884 885 886 887 888 889 890
		kfree(handles);
		handles = NULL;
	}
	return 0;
}

static int sony_find_snc_handle(int handle)
{
	int i;
891 892

	/* not initialized yet, return early */
893 894
	if (!handles || !handle)
		return -EINVAL;
895

896 897 898 899 900 901 902
	for (i = 0; i < 0x10; i++) {
		if (handles->cap[i] == handle) {
			dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
					handle, i);
			return i;
		}
	}
903
	dprintk("handle 0x%.4x not found\n", handle);
904
	return -EINVAL;
905 906 907 908
}

static int sony_call_snc_handle(int handle, int argument, int *result)
{
909
	int arg, ret = 0;
910 911 912
	int offset = sony_find_snc_handle(handle);

	if (offset < 0)
913
		return offset;
914

915 916 917
	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);
918
	return ret;
919 920
}

921
/*
922
 * sony_nc_values input/output validate functions
923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955
 */

/* 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;
}

956
/*
957
 * Sysfs show/store common to all sony_nc_values
958
 */
959
static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
L
Len Brown 已提交
960
			      char *buffer)
961
{
962
	int value, ret = 0;
963 964
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
965

966
	if (!*item->acpiget)
967 968
		return -EIO;

969 970 971
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
				&value);
	if (ret < 0)
972 973
		return -EIO;

974 975 976
	if (item->validate)
		value = item->validate(SNC_VALIDATE_OUT, value);

977
	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
978 979
}

980
static ssize_t sony_nc_sysfs_store(struct device *dev,
L
Len Brown 已提交
981 982
			       struct device_attribute *attr,
			       const char *buffer, size_t count)
983
{
984
	int value;
985
	int ret = 0;
986 987
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
988 989 990 991

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

992 993 994
	if (count > 31)
		return -EINVAL;

995
	if (kstrtoint(buffer, 10, &value))
996
		return -EINVAL;
997

998 999 1000 1001 1002
	if (item->validate)
		value = item->validate(SNC_VALIDATE_IN, value);

	if (value < 0)
		return value;
1003

1004
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1005
			       &value, NULL);
1006
	if (ret < 0)
1007
		return -EIO;
1008

1009 1010
	item->value = value;
	item->valid = 1;
1011 1012 1013
	return count;
}

1014

1015 1016 1017
/*
 * Backlight device
 */
1018 1019 1020
struct sony_backlight_props {
	struct backlight_device *dev;
	int			handle;
1021
	int			cmd_base;
1022 1023 1024 1025 1026
	u8			offset;
	u8			maxlvl;
};
struct sony_backlight_props sony_bl_props;

1027
static int sony_backlight_update_status(struct backlight_device *bd)
1028
{
1029 1030
	int arg = bd->props.brightness + 1;
	return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1031
}
1032

1033 1034 1035
static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
1036

1037
	if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1038 1039 1040
		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
1041 1042
}

1043 1044 1045
static int sony_nc_get_brightness_ng(struct backlight_device *bd)
{
	int result;
1046 1047
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1048

1049
	sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1050

1051
	return (result & 0xff) - sdev->offset;
1052 1053 1054 1055 1056
}

static int sony_nc_update_status_ng(struct backlight_device *bd)
{
	int value, result;
1057 1058
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1059

1060
	value = bd->props.brightness + sdev->offset;
1061 1062
	if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
				&result))
1063
		return -EIO;
1064

1065
	return value;
1066 1067
}

L
Lionel Debroux 已提交
1068
static const struct backlight_ops sony_backlight_ops = {
1069
	.options = BL_CORE_SUSPENDRESUME,
L
Len Brown 已提交
1070 1071
	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
1072
};
1073 1074 1075 1076 1077
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,
};
1078

1079 1080 1081 1082 1083 1084 1085 1086
/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

1087
static struct sony_nc_event sony_100_events[] = {
1088 1089
	{ 0x90, SONYPI_EVENT_PKEY_P1 },
	{ 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1090
	{ 0x91, SONYPI_EVENT_PKEY_P2 },
1091
	{ 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1092 1093
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1094 1095 1096 1097 1098 1099
	{ 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 },
1100 1101 1102 1103 1104 1105
	{ 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 },
1106 1107
	{ 0x88, SONYPI_EVENT_FNKEY_F8 },
	{ 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1108 1109
	{ 0x89, SONYPI_EVENT_FNKEY_F9 },
	{ 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1110 1111
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1112 1113
	{ 0x8B, SONYPI_EVENT_FNKEY_F11 },
	{ 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1114 1115
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1116 1117
	{ 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118 1119
	{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120 1121
	{ 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
	{ 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1122 1123 1124 1125 1126 1127
	{ 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 },
1128 1129 1130
	{ 0, 0 },
};

1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148
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 },
};

1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181
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;
}

1182 1183 1184
/*
 * ACPI callbacks
 */
1185 1186
enum event_types {
	HOTKEY = 1,
1187 1188
	KILLSWITCH,
	GFX_SWITCH
1189
};
1190
static void sony_nc_notify(struct acpi_device *device, u32 event)
1191
{
1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204
	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);
1205
			return;
1206
		}
1207 1208 1209 1210 1211 1212 1213
		handle = handles->cap[offset];

		/* list of handles known for generating events */
		switch (handle) {
		/* hotkey event */
		case 0x0100:
		case 0x0127:
1214
			ev_type = HOTKEY;
1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
			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.
			 */
1234
			ev_type = KILLSWITCH;
1235 1236 1237 1238 1239 1240 1241 1242
			sony_call_snc_handle(handle, 0x0100, &result);
			real_ev = result & 0x03;

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

			break;
1243

1244 1245 1246 1247 1248
		case 0x0128:
		case 0x0146:
			/* Hybrid GFX switching */
			sony_call_snc_handle(handle, 0x0000, &result);
			dprintk("GFX switch event received (reason: %s)\n",
1249 1250 1251 1252
					(result == 0x1) ? "switch change" :
					(result == 0x2) ? "output switch" :
					(result == 0x3) ? "output switch" :
					"");
1253 1254

			ev_type = GFX_SWITCH;
1255
			real_ev = __sony_nc_gfx_switch_status_get();
1256 1257
			break;

1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269
		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 */
1270
		ev_type = HOTKEY;
1271 1272 1273 1274 1275 1276 1277
		sony_laptop_report_input_event(real_ev);
	}

	acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, 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);
1278 1279 1280 1281 1282
}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
1283
	struct acpi_device_info *info;
1284

1285
	if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1286
		pr_warn("method: name: %4.4s, args %X\n",
1287 1288
			(char *)&info->name, info->param_count);

1289
		kfree(info);
1290
	}
1291 1292 1293 1294

	return AE_OK;
}

1295 1296 1297
/*
 * ACPI device
 */
1298 1299
static void sony_nc_function_setup(struct acpi_device *device,
		struct platform_device *pf_device)
1300
{
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
	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;
1326 1327 1328 1329 1330 1331 1332 1333
		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;
1334 1335 1336 1337 1338 1339 1340 1341
		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;
1342 1343 1344 1345 1346 1347
		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;
1348 1349 1350 1351 1352 1353
		case 0x0122:
			result = sony_nc_thermal_setup(pf_device);
			if (result)
				pr_err("couldn't set up thermal profile function (%d)\n",
						result);
			break;
1354 1355 1356 1357 1358 1359 1360
		case 0x0128:
		case 0x0146:
			result = sony_nc_gfx_switch_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up GFX Switch status (%d)\n",
						result);
			break;
1361 1362 1363 1364 1365 1366
		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;
1367 1368
		case 0x0124:
		case 0x0135:
1369 1370 1371 1372
			result = sony_nc_rfkill_setup(device, handle);
			if (result)
				pr_err("couldn't set up rfkill support (%d)\n",
						result);
1373 1374
			break;
		case 0x0137:
1375
		case 0x0143:
1376 1377
		case 0x014b:
		case 0x014c:
1378 1379 1380 1381
			result = sony_nc_kbd_backlight_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up keyboard backlight function (%d)\n",
						result);
1382 1383 1384 1385 1386
			break;
		default:
			continue;
		}
	}
1387 1388

	/* Enable all events */
1389 1390 1391 1392 1393
	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);
}
1394

1395 1396 1397
static void sony_nc_function_cleanup(struct platform_device *pd)
{
	unsigned int i, result, bitmask, handle;
1398

1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411
	/* 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) {
1412 1413 1414 1415
		case 0x0105:
		case 0x0148:
			sony_nc_touchpad_cleanup(pd);
			break;
1416 1417 1418 1419 1420
		case 0x0115:
		case 0x0136:
		case 0x013f:
			sony_nc_battery_care_cleanup(pd);
			break;
1421 1422 1423
		case 0x0119:
			sony_nc_lid_resume_cleanup(pd);
			break;
1424 1425 1426
		case 0x0122:
			sony_nc_thermal_cleanup(pd);
			break;
1427 1428 1429 1430
		case 0x0128:
		case 0x0146:
			sony_nc_gfx_switch_cleanup(pd);
			break;
1431 1432 1433
		case 0x0131:
			sony_nc_highspeed_charging_cleanup(pd);
			break;
1434 1435 1436 1437 1438
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_cleanup();
			break;
		case 0x0137:
1439
		case 0x0143:
1440 1441
		case 0x014b:
		case 0x014c:
1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452
			sony_nc_kbd_backlight_cleanup(pd);
			break;
		default:
			continue;
		}
	}

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

1453
#ifdef CONFIG_PM_SLEEP
1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476
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;
1477 1478 1479
		case 0x0122:
			sony_nc_thermal_resume();
			break;
1480 1481 1482 1483 1484
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_update();
			break;
		case 0x0137:
1485
		case 0x0143:
1486 1487
		case 0x014b:
		case 0x014c:
1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499
			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);
1500 1501
}

1502
static int sony_nc_resume(struct device *dev)
1503
{
1504
	struct sony_nc_value *item;
1505
	acpi_handle handle;
1506

1507
	for (item = sony_nc_values; item->name; item++) {
1508 1509 1510 1511
		int ret;

		if (!item->valid)
			continue;
1512 1513
		ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
				       &item->value, NULL);
1514
		if (ret < 0) {
1515
			pr_err("%s: %d\n", __func__, ret);
1516 1517 1518
			break;
		}
	}
1519

1520 1521
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
1522 1523
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1524 1525 1526
			dprintk("ECON Method failed\n");
	}

1527
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1528 1529
					 &handle)))
		sony_nc_function_resume();
1530

1531 1532
	return 0;
}
1533
#endif
1534

1535 1536
static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);

1537 1538 1539 1540
static void sony_nc_rfkill_cleanup(void)
{
	int i;

J
Johannes Berg 已提交
1541 1542
	for (i = 0; i < N_SONY_RFKILL; i++) {
		if (sony_rfkill_devices[i]) {
1543
			rfkill_unregister(sony_rfkill_devices[i]);
J
Johannes Berg 已提交
1544 1545
			rfkill_destroy(sony_rfkill_devices[i]);
		}
1546 1547 1548
	}
}

J
Johannes Berg 已提交
1549
static int sony_nc_rfkill_set(void *data, bool blocked)
1550 1551 1552 1553
{
	int result;
	int argument = sony_rfkill_address[(long) data] + 0x100;

J
Johannes Berg 已提交
1554
	if (!blocked)
1555
		argument |= 0x070000;
1556

1557
	return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1558 1559
}

J
Johannes Berg 已提交
1560 1561 1562
static const struct rfkill_ops sony_rfkill_ops = {
	.set_block = sony_nc_rfkill_set,
};
1563

J
Johannes Berg 已提交
1564 1565
static int sony_nc_setup_rfkill(struct acpi_device *device,
				enum sony_nc_rfkill nc_type)
1566 1567
{
	int err = 0;
J
Johannes Berg 已提交
1568 1569 1570
	struct rfkill *rfk;
	enum rfkill_type type;
	const char *name;
1571
	int result;
1572
	bool hwblock, swblock;
J
Johannes Berg 已提交
1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592

	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;
1593
	}
1594

J
Johannes Berg 已提交
1595 1596 1597 1598
	rfk = rfkill_alloc(name, &device->dev, type,
			   &sony_rfkill_ops, (void *)nc_type);
	if (!rfk)
		return -ENOMEM;
1599

1600 1601 1602 1603
	if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
1604
	hwblock = !(result & 0x1);
1605 1606 1607 1608 1609 1610 1611 1612 1613 1614

	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);
1615 1616
	rfkill_set_hw_state(rfk, hwblock);

J
Johannes Berg 已提交
1617 1618 1619 1620
	err = rfkill_register(rfk);
	if (err) {
		rfkill_destroy(rfk);
		return err;
1621
	}
J
Johannes Berg 已提交
1622
	sony_rfkill_devices[nc_type] = rfk;
1623 1624 1625
	return err;
}

1626
static void sony_nc_rfkill_update(void)
1627
{
J
Johannes Berg 已提交
1628 1629 1630
	enum sony_nc_rfkill i;
	int result;
	bool hwblock;
1631

1632
	sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
J
Johannes Berg 已提交
1633
	hwblock = !(result & 0x1);
1634

J
Johannes Berg 已提交
1635 1636
	for (i = 0; i < N_SONY_RFKILL; i++) {
		int argument = sony_rfkill_address[i];
1637

J
Johannes Berg 已提交
1638 1639 1640 1641
		if (!sony_rfkill_devices[i])
			continue;

		if (hwblock) {
J
Johannes Berg 已提交
1642 1643 1644
			if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
				/* we already know we're blocked */
			}
J
Johannes Berg 已提交
1645
			continue;
1646
		}
J
Johannes Berg 已提交
1647

1648
		sony_call_snc_handle(sony_rfkill_handle, argument, &result);
J
Johannes Berg 已提交
1649
		rfkill_set_states(sony_rfkill_devices[i],
1650
				  !(result & 0x2), false);
1651 1652 1653
	}
}

1654 1655
static int sony_nc_rfkill_setup(struct acpi_device *device,
		unsigned int handle)
1656
{
1657 1658 1659
	u64 offset;
	int i;
	unsigned char buffer[32] = { 0 };
1660

1661 1662
	offset = sony_find_snc_handle(handle);
	sony_rfkill_handle = handle;
1663

1664 1665 1666
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686
		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
1687
	 */
1688
	for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1689

1690
		if (buffer[i] == 0xff)
1691 1692
			break;

1693
		dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1694

1695
		if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1696 1697
			sony_nc_setup_rfkill(device, SONY_WIFI);

1698
		if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1699 1700
			sony_nc_setup_rfkill(device, SONY_BLUETOOTH);

1701 1702
		if (((0xf0 & buffer[i]) == 0x20 ||
					(0xf0 & buffer[i]) == 0x50) &&
1703 1704 1705
				!sony_rfkill_devices[SONY_WWAN])
			sony_nc_setup_rfkill(device, SONY_WWAN);

1706
		if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1707 1708
			sony_nc_setup_rfkill(device, SONY_WIMAX);
	}
1709
	return 0;
1710 1711
}

1712 1713
/* Keyboard backlight feature */
struct kbd_backlight {
1714 1715 1716 1717
	unsigned int handle;
	unsigned int base;
	unsigned int mode;
	unsigned int timeout;
1718 1719 1720 1721
	struct device_attribute mode_attr;
	struct device_attribute timeout_attr;
};

1722
static struct kbd_backlight *kbdbl_ctl;
1723 1724 1725 1726 1727 1728 1729 1730

static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
{
	int result;

	if (value > 1)
		return -EINVAL;

1731 1732
	if (sony_call_snc_handle(kbdbl_ctl->handle,
				(value << 0x10) | (kbdbl_ctl->base), &result))
1733 1734
		return -EIO;

1735
	/* Try to turn the light on/off immediately */
1736 1737
	sony_call_snc_handle(kbdbl_ctl->handle,
			(value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1738

1739
	kbdbl_ctl->mode = value;
1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753

	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;

1754
	if (kstrtoul(buffer, 10, &value))
1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767
		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;
1768
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1769 1770 1771 1772 1773 1774 1775 1776 1777 1778
	return count;
}

static int __sony_nc_kbd_backlight_timeout_set(u8 value)
{
	int result;

	if (value > 3)
		return -EINVAL;

1779 1780
	if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
				(kbdbl_ctl->base + 0x200), &result))
1781 1782
		return -EIO;

1783
	kbdbl_ctl->timeout = value;
1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797

	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;

1798
	if (kstrtoul(buffer, 10, &value))
1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811
		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;
1812
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1813 1814 1815
	return count;
}

1816 1817
static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
		unsigned int handle)
1818 1819
{
	int result;
1820
	int ret = 0;
1821

1822 1823 1824 1825 1826 1827 1828
	/* 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;
1829

1830 1831 1832 1833 1834
	if ((handle == 0x0137 && !(result & 0x02)) ||
			!(result & 0x01)) {
		dprintk("no backlight keyboard found\n");
		return 0;
	}
1835

1836 1837 1838
	kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
	if (!kbdbl_ctl)
		return -ENOMEM;
1839

1840 1841 1842 1843 1844
	kbdbl_ctl->handle = handle;
	if (handle == 0x0137)
		kbdbl_ctl->base = 0x0C00;
	else
		kbdbl_ctl->base = 0x4000;
1845

1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
	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)
1860 1861
		goto outkzalloc;

1862 1863
	ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
	if (ret)
1864 1865 1866 1867 1868
		goto outmode;

	__sony_nc_kbd_backlight_mode_set(kbd_backlight);
	__sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);

1869
	return 0;
1870 1871

outmode:
1872
	device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1873
outkzalloc:
1874 1875 1876
	kfree(kbdbl_ctl);
	kbdbl_ctl = NULL;
	return ret;
1877 1878
}

1879
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1880
{
1881
	if (kbdbl_ctl) {
1882 1883
		int result;

1884 1885
		device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
		device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1886 1887

		/* restore the default hw behaviour */
1888 1889 1890 1891
		sony_call_snc_handle(kbdbl_ctl->handle,
				kbdbl_ctl->base | 0x10000, &result);
		sony_call_snc_handle(kbdbl_ctl->handle,
				kbdbl_ctl->base + 0x200, &result);
1892

1893 1894
		kfree(kbdbl_ctl);
		kbdbl_ctl = NULL;
1895 1896 1897
	}
}

1898
#ifdef CONFIG_PM_SLEEP
1899 1900 1901 1902
static void sony_nc_kbd_backlight_resume(void)
{
	int ignore = 0;

1903
	if (!kbdbl_ctl)
1904 1905
		return;

1906 1907
	if (kbdbl_ctl->mode == 0)
		sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1908
				&ignore);
1909 1910 1911 1912 1913

	if (kbdbl_ctl->timeout != 0)
		sony_call_snc_handle(kbdbl_ctl->handle,
				(kbdbl_ctl->base + 0x200) |
				(kbdbl_ctl->timeout << 0x10), &ignore);
1914
}
1915
#endif
1916

1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947
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
	 */
1948
	cmd = 0;
1949

1950 1951 1952 1953 1954 1955
	if (value > 0) {
		if (value <= 50)
			cmd = 0x20;

		else if (value <= 80)
			cmd = 0x10;
1956

1957 1958
		else if (value <= 100)
			cmd = 0x30;
1959

1960 1961
		else
			return -EINVAL;
1962

1963 1964 1965 1966 1967 1968 1969
		/*
		 * 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);
1970

1971 1972
		cmd = (cmd | 0x1) << 0x10;
	}
1973

1974
	if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
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 2078
		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;
	}
}

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 2168
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;
2169
	int mode = sony_nc_thermal_mode_get();
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 2237

	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;
	}
}

2238
#ifdef CONFIG_PM_SLEEP
2239 2240 2241 2242 2243 2244 2245
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);
}
2246
#endif
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 2353
/* 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:
2354
	for (i--; i >= 0; i--)
2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375
		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;
	}
}

2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 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
/* 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;

	if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result))
		return -EIO;

	switch (gfxs_ctl->handle) {
	case 0x0146:
		/* 1: discrete GFX (speed)
		 * 0: integrated GFX (stamina)
		 */
		return result & 0x1 ? SPEED : STAMINA;
		break;
	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;

	return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina");
}

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;
	}
}

2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 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
/* 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;
	}
}

2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 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
/* 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;
	}
}

2616 2617 2618
static void sony_nc_backlight_ng_read_limits(int handle,
		struct sony_backlight_props *props)
{
2619 2620
	u64 offset;
	int i;
2621
	int lvl_table_len = 0;
2622
	u8 min = 0xff, max = 0x00;
2623
	unsigned char buffer[32] = { 0 };
2624 2625 2626 2627 2628 2629 2630 2631 2632 2633

	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
	 */
2634 2635 2636
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
2637 2638
		return;

2639 2640 2641 2642 2643 2644
	switch (handle) {
	case 0x012f:
	case 0x0137:
		lvl_table_len = 9;
		break;
	case 0x143:
2645 2646
	case 0x14b:
	case 0x14c:
2647 2648 2649 2650
		lvl_table_len = 16;
		break;
	}

2651
	/* the buffer lists brightness levels available, brightness levels are
2652 2653
	 * from position 0 to 8 in the array, other values are used by ALS
	 * control.
2654
	 */
2655
	for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2656

2657
		dprintk("Brightness level: %d\n", buffer[i]);
2658

2659
		if (!buffer[i])
2660 2661
			break;

2662 2663 2664 2665
		if (buffer[i] > max)
			max = buffer[i];
		if (buffer[i] < min)
			min = buffer[i];
2666 2667 2668 2669 2670 2671 2672
	}
	props->offset = min;
	props->maxlvl = max;
	dprintk("Brightness levels: min=%d max=%d\n", props->offset,
			props->maxlvl);
}

2673 2674 2675 2676 2677 2678 2679
static void sony_nc_backlight_setup(void)
{
	acpi_handle unused;
	int max_brightness = 0;
	const struct backlight_ops *ops = NULL;
	struct backlight_properties props;

2680
	if (sony_find_snc_handle(0x12f) >= 0) {
2681
		ops = &sony_backlight_ng_ops;
2682
		sony_bl_props.cmd_base = 0x0100;
2683 2684
		sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2685

2686
	} else if (sony_find_snc_handle(0x137) >= 0) {
2687
		ops = &sony_backlight_ng_ops;
2688
		sony_bl_props.cmd_base = 0x0100;
2689 2690
		sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2691

2692
	} else if (sony_find_snc_handle(0x143) >= 0) {
2693 2694 2695 2696 2697
		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;

2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709
	} 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;

2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720
	} 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;
2721 2722 2723
	sony_bl_props.dev = backlight_device_register("sony", NULL,
						      &sony_bl_props,
						      ops, &props);
2724

2725
	if (IS_ERR(sony_bl_props.dev)) {
2726
		pr_warn("unable to register backlight device\n");
2727
		sony_bl_props.dev = NULL;
2728
	} else
2729 2730
		sony_bl_props.dev->props.brightness =
			ops->get_brightness(sony_bl_props.dev);
2731 2732 2733 2734
}

static void sony_nc_backlight_cleanup(void)
{
2735 2736
	if (sony_bl_props.dev)
		backlight_device_unregister(sony_bl_props.dev);
2737 2738
}

2739
static int sony_nc_add(struct acpi_device *device)
2740 2741
{
	acpi_status status;
2742
	int result = 0;
2743
	acpi_handle handle;
2744
	struct sony_nc_value *item;
2745

2746
	pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2747

2748
	sony_nc_acpi_device = device;
2749
	strcpy(acpi_device_class(device), "sony/hotkey");
2750

2751
	sony_nc_acpi_handle = device->handle;
2752

2753 2754 2755 2756 2757 2758 2759 2760 2761
	/* 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;
	}

2762 2763 2764 2765
	result = sony_pf_add();
	if (result)
		goto outpresent;

2766
	if (debug) {
2767 2768 2769
		status = acpi_walk_namespace(ACPI_TYPE_METHOD,
				sony_nc_acpi_handle, 1, sony_walk_callback,
				NULL, NULL, NULL);
2770
		if (ACPI_FAILURE(status)) {
2771
			pr_warn("unable to walk acpi resources\n");
2772
			result = -ENODEV;
2773
			goto outpresent;
2774
		}
2775
	}
2776

2777 2778 2779 2780 2781 2782
	result = sony_laptop_setup_input(device);
	if (result) {
		pr_err("Unable to create input devices\n");
		goto outplatform;
	}

2783 2784
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
2785 2786
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2787 2788 2789
			dprintk("ECON Method failed\n");
	}

2790 2791 2792
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
2793
		/* retrieve the available handles */
2794
		result = sony_nc_handles_setup(sony_pf_device);
2795 2796
		if (!result)
			sony_nc_function_setup(device, sony_pf_device);
2797 2798
	}

2799
	/* setup input devices and helper fifo */
2800
	if (acpi_video_backlight_support()) {
2801
		pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2802 2803
	} else {
		sony_nc_backlight_setup();
2804
	}
2805

2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816
	/* 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))) {
2817 2818
				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
2819 2820 2821 2822 2823 2824 2825 2826 2827 2828
				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))) {
2829 2830
				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844
				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;
		}
	}

2845 2846
	return 0;

2847
out_sysfs:
2848 2849 2850
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
2851
	sony_nc_backlight_cleanup();
2852
	sony_nc_function_cleanup(sony_pf_device);
2853 2854
	sony_nc_handles_cleanup(sony_pf_device);

2855 2856 2857 2858
outplatform:
	sony_laptop_remove_input();

outpresent:
2859 2860
	sony_pf_remove();

2861
outwalk:
2862
	sony_nc_rfkill_cleanup();
2863 2864 2865
	return result;
}

2866
static int sony_nc_remove(struct acpi_device *device)
2867
{
2868
	struct sony_nc_value *item;
2869

2870
	sony_nc_backlight_cleanup();
2871

2872
	sony_nc_acpi_device = NULL;
2873

2874 2875 2876 2877
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

2878
	sony_nc_function_cleanup(sony_pf_device);
2879
	sony_nc_handles_cleanup(sony_pf_device);
2880
	sony_pf_remove();
2881
	sony_laptop_remove_input();
2882
	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2883 2884 2885 2886

	return 0;
}

2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898
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},
};

2899 2900 2901
static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
2902
	.ids = sony_nc_device_ids,
2903
	.owner = THIS_MODULE,
L
Len Brown 已提交
2904
	.ops = {
2905 2906
		.add = sony_nc_add,
		.remove = sony_nc_remove,
2907
		.notify = sony_nc_notify,
L
Len Brown 已提交
2908
		},
2909
	.drv.pm = &sony_nc_pm,
2910 2911
};

2912 2913 2914 2915 2916 2917
/*********** SPIC (SNY6001) Device ***********/

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

2918 2919 2920
#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
2921 2922

struct sony_pic_ioport {
2923 2924
	struct acpi_resource_io	io1;
	struct acpi_resource_io	io2;
2925 2926 2927 2928 2929 2930 2931 2932
	struct list_head	list;
};

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

2933 2934 2935 2936 2937 2938
struct sonypi_eventtypes {
	u8			data;
	unsigned long		mask;
	struct sonypi_event	*events;
};

2939 2940 2941 2942 2943 2944 2945 2946 2947
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);
2948 2949
	int				model;
	u16				evport_offset;
2950 2951 2952
	u8				camera_power;
	u8				bluetooth_power;
	u8				wwan_power;
2953 2954 2955 2956 2957 2958 2959
};

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

2960 2961
static int spic_drv_registered;

2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010
/* 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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3011
	{ 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 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
	{ 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 },
3048
	{ 0x20, SONYPI_EVENT_PKEY_P1 },
3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061
	{ 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[] = {
3062 3063
	{ 0x59, SONYPI_EVENT_IGNORE },
	{ 0x5a, SONYPI_EVENT_IGNORE },
3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089
	{ 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
3090 3091
	{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
	{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3092
	{ 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122
	{ 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 }
};

3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135
/* 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 }
};

3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 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
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
3173 3174 3175
	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3176 3177
	{ 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
	{ 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
M
Mattia Dongili 已提交
3178
	{ 0 },
3179 3180
};

M
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3181
/* low level spic calls */
3182 3183 3184 3185 3186 3187 3188 3189
#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",	\
3190
				__FILE__, __func__, __LINE__);	\
3191 3192 3193 3194 3195 3196
}

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

3197
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3198
			ITERATIONS_LONG);
3199 3200 3201
	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);
3202
	dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3203 3204 3205 3206 3207 3208 3209
	return v2;
}

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

3210
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3211
			ITERATIONS_LONG);
3212 3213
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3214
			ITERATIONS_LONG);
3215 3216
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3217
	dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3218 3219 3220
	return v1;
}

3221 3222 3223 3224
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

3225 3226 3227 3228 3229 3230 3231
	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);
3232 3233
	dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
			dev, fn, v, v1);
3234 3235 3236
	return v1;
}

M
Mattia Dongili 已提交
3237 3238 3239
/*
 * minidrivers for SPIC models
 */
3240
static int type3_handle_irq(const u8 data_mask, const u8 ev)
M
Mattia Dongili 已提交
3241 3242 3243
{
	/*
	 * 0x31 could mean we have to take some extra action and wait for
3244
	 * the next irq for some Type3 models, it will generate a new
M
Mattia Dongili 已提交
3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265
	 * 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) {
3266 3267 3268
		dev->model = SONYPI_DEVICE_TYPE1;
		dev->evport_offset = SONYPI_TYPE1_OFFSET;
		dev->event_types = type1_events;
M
Mattia Dongili 已提交
3269 3270 3271 3272 3273 3274
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
	if (pcidev) {
3275 3276 3277
		dev->model = SONYPI_DEVICE_TYPE2;
		dev->evport_offset = SONYPI_TYPE2_OFFSET;
		dev->event_types = type2_events;
M
Mattia Dongili 已提交
3278 3279 3280 3281 3282 3283
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
	if (pcidev) {
3284 3285 3286 3287
		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
3288 3289 3290 3291 3292 3293
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH8_4, 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
		goto out;
	}

3301 3302 3303
	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH9_1, 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;
3308 3309 3310
		goto out;
	}

M
Mattia Dongili 已提交
3311
	/* default */
3312 3313 3314
	dev->model = SONYPI_DEVICE_TYPE2;
	dev->evport_offset = SONYPI_TYPE2_OFFSET;
	dev->event_types = type2_events;
M
Mattia Dongili 已提交
3315 3316 3317 3318 3319

out:
	if (pcidev)
		pci_dev_put(pcidev);

3320 3321 3322
	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
3323 3324
}

3325 3326 3327
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355

#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
3356

3357
static int __sony_pic_camera_ready(void)
3358 3359 3360 3361 3362 3363 3364
{
	u8 v;

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

3365
static int __sony_pic_camera_off(void)
3366
{
3367
	if (!camera) {
3368
		pr_warn("camera control not enabled\n");
3369 3370 3371
		return -ENODEV;
	}

3372 3373 3374 3375
	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

3376 3377 3378 3379 3380
	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
3381 3382
}

3383
static int __sony_pic_camera_on(void)
3384
{
3385 3386 3387
	int i, j, x;

	if (!camera) {
3388
		pr_warn("camera control not enabled\n");
3389 3390
		return -ENODEV;
	}
3391 3392

	if (spic_dev.camera_power)
3393
		return 0;
3394 3395 3396

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

3397
		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3398 3399 3400 3401
			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
3402
			if (__sony_pic_camera_ready())
3403 3404 3405 3406 3407 3408 3409 3410
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
3411
		pr_warn("failed to power on camera\n");
3412
		return -ENODEV;
3413 3414 3415 3416 3417 3418 3419
	}

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

	spic_dev.camera_power = 1;
3420
	return 0;
3421 3422
}

3423 3424 3425 3426 3427 3428 3429 3430 3431
/* 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) {
3432
	case SONY_PIC_COMMAND_SETCAMERA:
3433 3434 3435 3436 3437
		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
3438
	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3439 3440 3441
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
3442
	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3443 3444 3445
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
3446
	case SONY_PIC_COMMAND_SETCAMERAHUE:
3447 3448 3449
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
3450
	case SONY_PIC_COMMAND_SETCAMERACOLOR:
3451 3452 3453
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
3454
	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3455 3456 3457
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
3458
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3459 3460 3461
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
3462
	case SONY_PIC_COMMAND_SETCAMERAAGC:
3463 3464 3465 3466
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
				ITERATIONS_SHORT);
		break;
	default:
3467
		pr_err("sony_pic_camera_command invalid: %d\n", command);
3468 3469 3470 3471 3472 3473 3474
		break;
	}
	mutex_unlock(&spic_dev.lock);
	return 0;
}
EXPORT_SYMBOL(sony_pic_camera_command);

3475
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3476
static void __sony_pic_set_wwanpower(u8 state)
3477 3478
{
	state = !!state;
3479
	if (spic_dev.wwan_power == state)
3480 3481
		return;
	sony_pic_call2(0xB0, state);
3482
	sony_pic_call1(0x82);
3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493
	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;

3494 3495 3496
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3497 3498 3499
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_wwanpower(value);
	mutex_unlock(&spic_dev.lock);
3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513

	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;
}

3514
/* bluetooth subsystem power state */
3515
static void __sony_pic_set_bluetoothpower(u8 state)
3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532
{
	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;

3533 3534 3535
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3536 3537 3538
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
3539 3540 3541 3542 3543 3544 3545

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
3546 3547 3548 3549 3550
	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;
3551 3552 3553 3554 3555
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
3556 3557 3558 3559 3560 3561 3562 3563 3564 3565
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);
}

3566 3567 3568 3569 3570 3571 3572 3573
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;

3574 3575 3576
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3577
	if (sony_pic_set_fanspeed(value))
3578 3579 3580 3581 3582 3583 3584 3585 3586
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
3587
	if (sony_pic_get_fanspeed(&value))
3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598
		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);
3599
static SPIC_ATTR(wwanpower, 0644);
3600 3601 3602 3603
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
3604
	&spic_attr_wwanpower.attr,
3605 3606 3607 3608 3609 3610 3611 3612
	&spic_attr_fanspeed.attr,
	NULL
};

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

3613
/******** SONYPI compatibility **********/
3614
#ifdef CONFIG_SONYPI_COMPAT
3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632

/* 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;
3633
	struct kfifo		fifo;
3634 3635 3636 3637 3638 3639 3640 3641 3642 3643
	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)
{
3644
	return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655
}

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
3656 3657
	unsigned long flags;

3658
	spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3659

3660
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
S
Stefani Seibold 已提交
3661
		kfifo_reset(&sonypi_compat.fifo);
A
Alessio Igor Bogani 已提交
3662

3663
	spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3664

3665 3666 3667 3668 3669 3670 3671 3672 3673
	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;

3674
	if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3675 3676 3677 3678
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3679
				       kfifo_len(&sonypi_compat.fifo) != 0);
3680 3681 3682 3683
	if (ret)
		return ret;

	while (ret < count &&
3684
	       (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
S
Stefani Seibold 已提交
3685
			  &sonypi_compat.fifo_lock) == sizeof(c))) {
3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701
		if (put_user(c, buf++))
			return -EFAULT;
		ret++;
	}

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

	return ret;
}

static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
{
	poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3702
	if (kfifo_len(&sonypi_compat.fifo))
3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717
		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
3718 3719
static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
							unsigned long arg)
3720 3721 3722 3723 3724 3725 3726
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

3727
	mutex_lock(&spic_dev.lock);
3728 3729
	switch (cmd) {
	case SONYPI_IOCGBRT:
3730
		if (sony_bl_props.dev == NULL) {
3731 3732 3733
			ret = -EIO;
			break;
		}
3734 3735
		if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
					&value)) {
3736 3737 3738 3739 3740 3741 3742 3743
			ret = -EIO;
			break;
		}
		val8 = ((value & 0xff) - 1) << 5;
		if (copy_to_user(argp, &val8, sizeof(val8)))
				ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
3744
		if (sony_bl_props.dev == NULL) {
3745 3746 3747 3748 3749 3750 3751
			ret = -EIO;
			break;
		}
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
3752 3753 3754
		value = (val8 >> 5) + 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
					NULL)) {
3755 3756 3757 3758
			ret = -EIO;
			break;
		}
		/* sync the backlight device status */
3759 3760
		sony_bl_props.dev->props.brightness =
		    sony_backlight_get_brightness(sony_bl_props.dev);
3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 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
		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;
		}
3813
		__sony_pic_set_bluetoothpower(val8);
3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843
		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;
	}
3844
	mutex_unlock(&spic_dev.lock);
3845 3846 3847 3848 3849 3850 3851 3852 3853 3854
	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
3855
	.unlocked_ioctl	= sonypi_misc_ioctl,
3856
	.llseek		= noop_llseek,
3857 3858 3859 3860 3861 3862 3863 3864 3865 3866
};

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

static void sonypi_compat_report_event(u8 event)
{
3867
	kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
S
Stefani Seibold 已提交
3868
			sizeof(event), &sonypi_compat.fifo_lock);
3869 3870 3871 3872 3873 3874 3875 3876 3877
	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);
3878
	error =
S
Stefani Seibold 已提交
3879
	 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3880
	if (error) {
3881
		pr_err("kfifo_alloc failed\n");
3882
		return error;
3883 3884 3885 3886 3887 3888 3889 3890
	}

	init_waitqueue_head(&sonypi_compat.fifo_proc_list);

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
3891
		pr_err("misc_register failed\n");
3892 3893 3894
		goto err_free_kfifo;
	}
	if (minor == -1)
3895 3896
		pr_info("device allocated minor is %d\n",
			sonypi_misc_device.minor);
3897 3898 3899 3900

	return 0;

err_free_kfifo:
3901
	kfifo_free(&sonypi_compat.fifo);
3902 3903 3904 3905 3906 3907
	return error;
}

static void sonypi_compat_exit(void)
{
	misc_deregister(&sonypi_misc_device);
3908
	kfifo_free(&sonypi_compat.fifo);
3909 3910 3911 3912 3913
}
#else
static int sonypi_compat_init(void) { return 0; }
static void sonypi_compat_exit(void) { }
static void sonypi_compat_report_event(u8 event) { }
3914
#endif /* CONFIG_SONYPI_COMPAT */
3915

3916
/*
3917
 * ACPI callbacks
3918
 */
3919 3920 3921 3922 3923 3924 3925 3926
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:
3927 3928 3929 3930 3931 3932 3933 3934 3935 3936
		{
			/* 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;
		}

3937
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3938
		/* end IO enumeration */
3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954
		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]) {
3955 3956
					pr_warn("Invalid IRQ %d\n",
						p->interrupts[i]);
3957 3958 3959 3960 3961 3962 3963
					continue;
				}
				interrupt = kzalloc(sizeof(*interrupt),
						GFP_KERNEL);
				if (!interrupt)
					return AE_ERROR;

3964
				list_add(&interrupt->list, &dev->interrupts);
3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975
				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;
3976 3977
			struct sony_pic_ioport *ioport =
				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3978 3979 3980 3981 3982
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993
			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 {
3994
				pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3995
				return AE_ERROR;
3996
			}
3997 3998 3999 4000
			return AE_OK;
		}
	default:
		dprintk("Resource %d isn't an IRQ nor an IO port\n",
4001
			resource->type);
4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021

	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) {
4022
		pr_warn("Unable to read status\n");
4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037
		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)) {
4038
		pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049
		result = -ENODEV;
	}
end:
	return result;
}

/*
 *  Disable the spic device by calling its _DIS method
 */
static int sony_pic_disable(struct acpi_device *device)
{
4050 4051 4052 4053
	acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
					       NULL);

	if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070
		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;
4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081
	/* Type 1 resource layout is:
	 *    IO
	 *    IO
	 *    IRQNoFlags
	 *    End
	 *
	 * Type 2 and 3 resource layout is:
	 *    IO
	 *    IRQNoFlags
	 *    End
	 */
4082
	struct {
4083 4084 4085 4086
		struct acpi_resource res1;
		struct acpi_resource res2;
		struct acpi_resource res3;
		struct acpi_resource res4;
4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100
	} *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;

4101
	/* setup Type 1 resources */
4102
	if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4103

4104 4105 4106 4107 4108
		/* 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));
4109

4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143
		resource->res2.type = ACPI_RESOURCE_TYPE_IO;
		resource->res2.length = sizeof(struct acpi_resource);
		memcpy(&resource->res2.data.io, &ioport->io2,
				sizeof(struct acpi_resource_io));

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

		resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;

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

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

		resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
	}
4144 4145 4146 4147 4148 4149 4150

	/* 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)) {
4151
		pr_err("Error evaluating _SRS\n");
4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179
		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;

4180 4181 4182 4183
	ev = inb_p(dev->cur_ioport->io1.minimum);
	if (dev->cur_ioport->io2.minimum)
		data_mask = inb_p(dev->cur_ioport->io2.minimum);
	else
4184
		data_mask = inb_p(dev->cur_ioport->io1.minimum +
4185
				dev->evport_offset);
4186

4187
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4188
			ev, data_mask, dev->cur_ioport->io1.minimum,
4189
			dev->evport_offset);
4190 4191 4192 4193

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

4194
	for (i = 0; dev->event_types[i].mask; i++) {
4195

4196 4197
		if ((data_mask & dev->event_types[i].data) !=
		    dev->event_types[i].data)
4198 4199
			continue;

4200
		if (!(mask & dev->event_types[i].mask))
4201 4202
			continue;

4203 4204
		for (j = 0; dev->event_types[i].events[j].event; j++) {
			if (ev == dev->event_types[i].events[j].data) {
4205
				device_event =
4206
					dev->event_types[i].events[j].event;
4207 4208 4209
				/* some events may require ignoring */
				if (!device_event)
					return IRQ_HANDLED;
4210 4211 4212 4213
				goto found;
			}
		}
	}
M
Mattia Dongili 已提交
4214 4215 4216
	/* Still not able to decode the event try to pass
	 * it over to the minidriver
	 */
4217
	if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
M
Mattia Dongili 已提交
4218 4219
		return IRQ_HANDLED;

4220 4221
	dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io1.minimum,
4222
			dev->evport_offset);
4223 4224 4225
	return IRQ_HANDLED;

found:
4226
	sony_laptop_report_input_event(device_event);
4227
	acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4228
	sonypi_compat_report_event(device_event);
4229 4230 4231 4232 4233 4234 4235 4236
	return IRQ_HANDLED;
}

/*****************
 *
 *  ACPI driver
 *
 *****************/
4237
static int sony_pic_remove(struct acpi_device *device)
4238 4239 4240 4241 4242
{
	struct sony_pic_ioport *io, *tmp_io;
	struct sony_pic_irq *irq, *tmp_irq;

	if (sony_pic_disable(device)) {
4243
		pr_err("Couldn't disable device\n");
4244 4245 4246 4247
		return -ENXIO;
	}

	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4248 4249 4250 4251 4252
	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);
4253

4254 4255
	sonypi_compat_exit();

4256
	sony_laptop_remove_input();
4257

4258 4259 4260 4261
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272
	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;

4273
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4274 4275 4276 4277 4278 4279 4280 4281 4282
	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;

4283
	pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4284 4285 4286

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
4287
	sony_pic_detect_device_type(&spic_dev);
4288
	mutex_init(&spic_dev.lock);
4289 4290 4291 4292

	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
4293
		pr_err("Unable to read possible resources\n");
4294 4295 4296 4297
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
4298
	result = sony_laptop_setup_input(device);
4299
	if (result) {
4300
		pr_err("Unable to create input devices\n");
4301 4302 4303
		goto err_free_resources;
	}

4304 4305 4306
	if (sonypi_compat_init())
		goto err_remove_input;

4307
	/* request io port */
4308 4309
	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
		if (request_region(io->io1.minimum, io->io1.address_length,
4310
					"Sony Programmable I/O Device")) {
4311 4312 4313 4314 4315 4316 4317
			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,
4318
						"Sony Programmable I/O Device")) {
4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337
					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;
			}
4338 4339 4340
		}
	}
	if (!spic_dev.cur_ioport) {
4341
		pr_err("Failed to request_region\n");
4342
		result = -ENODEV;
4343
		goto err_remove_compat;
4344 4345 4346
	}

	/* request IRQ */
4347
	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4348
		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
Y
Yong Zhang 已提交
4349
					0, "sony-laptop", &spic_dev)) {
4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360
			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) {
4361
		pr_err("Failed to request_irq\n");
4362 4363 4364 4365 4366 4367 4368
		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) {
4369
		pr_err("Couldn't enable device\n");
4370 4371 4372
		goto err_free_irq;
	}

4373 4374 4375 4376 4377 4378 4379 4380 4381 4382
	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;

4383 4384
	return 0;

4385 4386 4387 4388 4389 4390
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

4391 4392 4393 4394
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
4395 4396 4397 4398 4399
	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);
4400

4401 4402 4403
err_remove_compat:
	sonypi_compat_exit();

4404
err_remove_input:
4405
	sony_laptop_remove_input();
4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421

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;
}

4422
#ifdef CONFIG_PM_SLEEP
4423
static int sony_pic_suspend(struct device *dev)
4424
{
4425
	if (sony_pic_disable(to_acpi_device(dev)))
4426 4427 4428 4429
		return -ENXIO;
	return 0;
}

4430
static int sony_pic_resume(struct device *dev)
4431
{
4432 4433
	sony_pic_enable(to_acpi_device(dev),
			spic_dev.cur_ioport, spic_dev.cur_irq);
4434 4435
	return 0;
}
4436
#endif
4437

4438 4439
static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);

4440 4441 4442 4443 4444
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

4445 4446 4447
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
4448
	.ids = sony_pic_device_ids,
4449 4450 4451 4452 4453
	.owner = THIS_MODULE,
	.ops = {
		.add = sony_pic_add,
		.remove = sony_pic_remove,
		},
4454
	.drv.pm = &sony_pic_pm,
4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474
};

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

4475
static int __init sony_laptop_init(void)
4476
{
4477 4478 4479 4480 4481
	int result;

	if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
		result = acpi_bus_register_driver(&sony_pic_driver);
		if (result) {
4482
			pr_err("Unable to register SPIC driver\n");
4483 4484
			goto out;
		}
4485
		spic_drv_registered = 1;
4486 4487 4488 4489
	}

	result = acpi_bus_register_driver(&sony_nc_driver);
	if (result) {
4490
		pr_err("Unable to register SNC driver\n");
4491 4492 4493 4494 4495 4496
		goto out_unregister_pic;
	}

	return 0;

out_unregister_pic:
4497
	if (spic_drv_registered)
4498 4499 4500
		acpi_bus_unregister_driver(&sony_pic_driver);
out:
	return result;
4501 4502
}

4503
static void __exit sony_laptop_exit(void)
4504
{
4505
	acpi_bus_unregister_driver(&sony_nc_driver);
4506
	if (spic_drv_registered)
4507
		acpi_bus_unregister_driver(&sony_pic_driver);
4508 4509
}

4510 4511
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);