sony-laptop.c 107.1 KB
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/*
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 * ACPI Sony Notebook Control Driver (SNC and SPIC)
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 *
 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
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 * Copyright (C) 2007-2009 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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static void sony_nc_kbd_backlight_resume(void);
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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);
static void sony_nc_thermal_resume(void);

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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_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;
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	key_dev->dev.parent = &acpi_device->dev;
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	/* Initialize the Input Drivers: special keys */
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	input_set_capability(key_dev, EV_MSC, MSC_SCAN);

	__set_bit(EV_KEY, key_dev->evbit);
473 474 475
	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;
476 477 478
	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);
479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495

	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;
496
	jog_dev->dev.parent = &acpi_device->dev;
497

498 499
	input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
	input_set_capability(jog_dev, EV_REL, REL_WHEEL);
500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520

	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:
521
	kfifo_free(&sony_laptop_input.fifo);
522 523 524 525 526 527 528 529

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

static void sony_laptop_remove_input(void)
{
530 531 532
	struct sony_laptop_keypress kp = { NULL };

	/* Cleanup only after the last user has gone */
533 534 535
	if (!atomic_dec_and_test(&sony_laptop_input.users))
		return;

536
	del_timer_sync(&sony_laptop_input.release_key_timer);
537 538 539 540 541 542 543 544 545 546

	/*
	 * 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);
	}
547 548 549 550 551 552 553 554 555 556

	/* 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;
	}

557
	kfifo_free(&sony_laptop_input.fifo);
558 559
}

560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
/*********** 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;

611
	platform_device_unregister(sony_pf_device);
612 613 614 615 616
	platform_driver_unregister(&sony_pf_driver);
}

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

617 618 619 620 621 622 623
/* 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

624
static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
L
Len Brown 已提交
625
			      char *);
626
static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
L
Len Brown 已提交
627
			       const char *, size_t);
628 629 630
static int boolean_validate(const int, const int);
static int brightness_default_validate(const int, const int);

631
struct sony_nc_value {
L
Len Brown 已提交
632 633 634
	char *name;		/* name of the entry */
	char **acpiget;		/* names of the ACPI get function */
	char **acpiset;		/* names of the ACPI set function */
635
	int (*validate)(const int, const int);	/* input/output validation */
L
Len Brown 已提交
636 637 638
	int value;		/* current setting */
	int valid;		/* Has ever been set */
	int debug;		/* active only in debug mode ? */
639
	struct device_attribute devattr;	/* sysfs attribute */
640 641
};

642
#define SNC_HANDLE_NAMES(_name, _values...) \
643 644
	static char *snc_##_name[] = { _values, NULL }

645
#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
646 647 648 649
	{ \
		.name		= __stringify(_name), \
		.acpiget	= _getters, \
		.acpiset	= _setters, \
650
		.validate	= _validate, \
651
		.debug		= _debug, \
652
		.devattr	= __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
653
	}
654

655
#define SNC_HANDLE_NULL	{ .name = NULL }
656

657
SNC_HANDLE_NAMES(fnkey_get, "GHKE");
658

659 660
SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
661

662 663
SNC_HANDLE_NAMES(cdpower_get, "GCDP");
SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
664

665 666
SNC_HANDLE_NAMES(audiopower_get, "GAZP");
SNC_HANDLE_NAMES(audiopower_set, "AZPW");
667

668 669
SNC_HANDLE_NAMES(lanpower_get, "GLNP");
SNC_HANDLE_NAMES(lanpower_set, "LNPW");
670

671 672 673 674 675 676 677 678
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");

679
SNC_HANDLE_NAMES(PID_get, "GPID");
680

681 682
SNC_HANDLE_NAMES(CTR_get, "GCTR");
SNC_HANDLE_NAMES(CTR_set, "SCTR");
683

684 685
SNC_HANDLE_NAMES(PCR_get, "GPCR");
SNC_HANDLE_NAMES(PCR_set, "SPCR");
686

687 688
SNC_HANDLE_NAMES(CMI_get, "GCMI");
SNC_HANDLE_NAMES(CMI_set, "SCMI");
689

690 691
static struct sony_nc_value sony_nc_values[] = {
	SNC_HANDLE(brightness_default, snc_brightness_def_get,
692
			snc_brightness_def_set, brightness_default_validate, 0),
693 694 695
	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,
696
			boolean_validate, 0),
697
	SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
698
			boolean_validate, 1),
699 700 701 702 703 704
	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),
705
	/* unknown methods */
706 707 708 709 710
	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
711 712
};

713 714
static acpi_handle sony_nc_acpi_handle;
static struct acpi_device *sony_nc_acpi_device = NULL;
715

716 717
/*
 * acpi_evaluate_object wrappers
718 719
 * all useful calls into SNC methods take one or zero parameters and return
 * integers or arrays.
720
 */
721 722
static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
		u64 *value)
723
{
724 725
	union acpi_object *result = NULL;
	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
726 727
	acpi_status status;

728 729 730 731 732 733 734 735
	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);
736 737 738 739
		dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
				(unsigned int)(*value >> 32),
				(unsigned int)*value & 0xffffffff);
	} else {
740
		status = acpi_evaluate_object(handle, method, NULL, &output);
741 742
		dprintk("__call_snc_method: [%s]\n", method);
	}
743

744 745 746
	if (ACPI_FAILURE(status)) {
		pr_err("Failed to evaluate [%s]\n", method);
		return NULL;
747 748
	}

749 750 751
	result = (union acpi_object *) output.pointer;
	if (!result)
		dprintk("No return object [%s]\n", method);
752

753
	return result;
754 755
}

756 757
static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
		int *result)
758
{
759 760 761 762 763 764
	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);
765

766 767
	if (!object)
		return -EINVAL;
768

769 770 771 772 773
	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;
774 775
	}

776 777
	if (result)
		*result = object->integer.value;
778

779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808
	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)
{
	size_t len = len;
	union acpi_object *object = __call_snc_method(handle, name, value);

	if (!object)
		return -EINVAL;

	if (object->type == ACPI_TYPE_BUFFER)
		len = MIN(buflen, object->buffer.length);

	else if (object->type == ACPI_TYPE_INTEGER)
		len = MIN(buflen, sizeof(object->integer.value));

	else {
		pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
				ACPI_TYPE_BUFFER, object->type);
		kfree(object);
		return -EINVAL;
	}

	memcpy(buffer, object->buffer.pointer, len);
	kfree(object);
	return 0;
809 810
}

811 812 813 814 815
struct sony_nc_handles {
	u16 cap[0x10];
	struct device_attribute devattr;
};

816
static struct sony_nc_handles *handles;
817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833

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)
834
{
835
	int i, r, result, arg;
836

837
	handles = kzalloc(sizeof(*handles), GFP_KERNEL);
838 839
	if (!handles)
		return -ENOMEM;
840 841

	for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
842 843 844 845
		arg = i + 0x20;
		r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
					&result);
		if (!r) {
846 847 848
			dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
					result, i);
			handles->cap[i] = result;
849
		}
850 851
	}

852 853 854 855 856 857 858 859 860 861 862 863
	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;
		}
864 865 866 867 868 869 870 871
	}

	return 0;
}

static int sony_nc_handles_cleanup(struct platform_device *pd)
{
	if (handles) {
872 873
		if (debug)
			device_remove_file(&pd->dev, &handles->devattr);
874 875 876 877 878 879 880 881 882
		kfree(handles);
		handles = NULL;
	}
	return 0;
}

static int sony_find_snc_handle(int handle)
{
	int i;
883 884

	/* not initialized yet, return early */
885 886
	if (!handles || !handle)
		return -EINVAL;
887

888 889 890 891 892 893 894
	for (i = 0; i < 0x10; i++) {
		if (handles->cap[i] == handle) {
			dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
					handle, i);
			return i;
		}
	}
895
	dprintk("handle 0x%.4x not found\n", handle);
896
	return -EINVAL;
897 898 899 900
}

static int sony_call_snc_handle(int handle, int argument, int *result)
{
901
	int arg, ret = 0;
902 903 904
	int offset = sony_find_snc_handle(handle);

	if (offset < 0)
905
		return offset;
906

907 908 909
	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);
910
	return ret;
911 912
}

913
/*
914
 * sony_nc_values input/output validate functions
915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947
 */

/* 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;
}

948
/*
949
 * Sysfs show/store common to all sony_nc_values
950
 */
951
static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
L
Len Brown 已提交
952
			      char *buffer)
953
{
954
	int value, ret = 0;
955 956
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
957

958
	if (!*item->acpiget)
959 960
		return -EIO;

961 962 963
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
				&value);
	if (ret < 0)
964 965
		return -EIO;

966 967 968
	if (item->validate)
		value = item->validate(SNC_VALIDATE_OUT, value);

969
	return snprintf(buffer, PAGE_SIZE, "%d\n", value);
970 971
}

972
static ssize_t sony_nc_sysfs_store(struct device *dev,
L
Len Brown 已提交
973 974
			       struct device_attribute *attr,
			       const char *buffer, size_t count)
975
{
976 977
	unsigned long value = 0;
	int ret = 0;
978 979
	struct sony_nc_value *item =
	    container_of(attr, struct sony_nc_value, devattr);
980 981 982 983

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

984 985 986
	if (count > 31)
		return -EINVAL;

987 988
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;
989

990 991 992 993 994
	if (item->validate)
		value = item->validate(SNC_VALIDATE_IN, value);

	if (value < 0)
		return value;
995

996 997
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
			(int *)&value, NULL);
998
	if (ret < 0)
999
		return -EIO;
1000

1001 1002
	item->value = value;
	item->valid = 1;
1003 1004 1005
	return count;
}

1006

1007 1008 1009
/*
 * Backlight device
 */
1010 1011 1012 1013 1014 1015 1016 1017
struct sony_backlight_props {
	struct backlight_device *dev;
	int			handle;
	u8			offset;
	u8			maxlvl;
};
struct sony_backlight_props sony_bl_props;

1018
static int sony_backlight_update_status(struct backlight_device *bd)
1019
{
1020 1021
	int arg = bd->props.brightness + 1;
	return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1022
}
1023

1024 1025 1026
static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
1027

1028
	if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1029 1030 1031
		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
1032 1033
}

1034 1035 1036
static int sony_nc_get_brightness_ng(struct backlight_device *bd)
{
	int result;
1037 1038
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1039

1040
	sony_call_snc_handle(sdev->handle, 0x0200, &result);
1041

1042
	return (result & 0xff) - sdev->offset;
1043 1044 1045 1046 1047
}

static int sony_nc_update_status_ng(struct backlight_device *bd)
{
	int value, result;
1048 1049
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1050

1051 1052
	value = bd->props.brightness + sdev->offset;
	if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
1053
		return -EIO;
1054

1055
	return value;
1056 1057
}

L
Lionel Debroux 已提交
1058
static const struct backlight_ops sony_backlight_ops = {
1059
	.options = BL_CORE_SUSPENDRESUME,
L
Len Brown 已提交
1060 1061
	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
1062
};
1063 1064 1065 1066 1067
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,
};
1068

1069 1070 1071 1072 1073 1074 1075 1076
/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

1077
static struct sony_nc_event sony_100_events[] = {
1078 1079
	{ 0x90, SONYPI_EVENT_PKEY_P1 },
	{ 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1080
	{ 0x91, SONYPI_EVENT_PKEY_P2 },
1081
	{ 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082 1083
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1084 1085 1086 1087 1088 1089
	{ 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 },
1090 1091 1092 1093 1094 1095
	{ 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 },
1096 1097
	{ 0x88, SONYPI_EVENT_FNKEY_F8 },
	{ 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1098 1099
	{ 0x89, SONYPI_EVENT_FNKEY_F9 },
	{ 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1100 1101
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1102 1103
	{ 0x8B, SONYPI_EVENT_FNKEY_F11 },
	{ 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1104 1105
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1106 1107
	{ 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1108 1109
	{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110 1111
	{ 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
	{ 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112 1113 1114 1115 1116 1117
	{ 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 },
1118 1119 1120
	{ 0, 0 },
};

1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
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 },
};

1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
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;
}

1172 1173 1174
/*
 * ACPI callbacks
 */
1175 1176
enum event_types {
	HOTKEY = 1,
1177 1178
	KILLSWITCH,
	GFX_SWITCH
1179
};
1180
static void sony_nc_notify(struct acpi_device *device, u32 event)
1181
{
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
	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);
1195
			return;
1196
		}
1197 1198 1199 1200 1201 1202 1203
		handle = handles->cap[offset];

		/* list of handles known for generating events */
		switch (handle) {
		/* hotkey event */
		case 0x0100:
		case 0x0127:
1204
			ev_type = HOTKEY;
1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223
			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.
			 */
1224
			ev_type = KILLSWITCH;
1225 1226 1227 1228 1229 1230 1231 1232
			sony_call_snc_handle(handle, 0x0100, &result);
			real_ev = result & 0x03;

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

			break;
1233

1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251
		case 0x0128:
		case 0x0146:
			/* Hybrid GFX switching */
			sony_call_snc_handle(handle, 0x0000, &result);
			dprintk("GFX switch event received (reason: %s)\n",
					(result & 0x01) ?
					"switch change" : "unknown");

			/* verify the switch state
			 * 1: discrete GFX
			 * 0: integrated GFX
			 */
			sony_call_snc_handle(handle, 0x0100, &result);

			ev_type = GFX_SWITCH;
			real_ev = result & 0xff;
			break;

1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263
		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 */
1264
		ev_type = HOTKEY;
1265 1266 1267 1268 1269 1270 1271
		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);
1272 1273 1274 1275 1276
}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
1277
	struct acpi_device_info *info;
1278

1279
	if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1280
		pr_warn("method: name: %4.4s, args %X\n",
1281 1282
			(char *)&info->name, info->param_count);

1283
		kfree(info);
1284
	}
1285 1286 1287 1288

	return AE_OK;
}

1289 1290 1291
/*
 * ACPI device
 */
1292 1293
static void sony_nc_function_setup(struct acpi_device *device,
		struct platform_device *pf_device)
1294
{
1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319
	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;
1320 1321 1322 1323 1324 1325 1326 1327
		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;
1328 1329 1330 1331 1332 1333 1334 1335
		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;
1336 1337 1338 1339 1340 1341
		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;
1342 1343 1344 1345 1346 1347
		case 0x0122:
			result = sony_nc_thermal_setup(pf_device);
			if (result)
				pr_err("couldn't set up thermal profile function (%d)\n",
						result);
			break;
1348 1349 1350 1351 1352 1353
		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;
1354 1355
		case 0x0124:
		case 0x0135:
1356 1357 1358 1359
			result = sony_nc_rfkill_setup(device, handle);
			if (result)
				pr_err("couldn't set up rfkill support (%d)\n",
						result);
1360 1361
			break;
		case 0x0137:
1362 1363 1364 1365 1366
		case 0x0143:
			result = sony_nc_kbd_backlight_setup(pf_device, handle);
			if (result)
				pr_err("couldn't set up keyboard backlight function (%d)\n",
						result);
1367 1368 1369 1370 1371
			break;
		default:
			continue;
		}
	}
1372 1373

	/* Enable all events */
1374 1375 1376 1377 1378
	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);
}
1379

1380 1381 1382
static void sony_nc_function_cleanup(struct platform_device *pd)
{
	unsigned int i, result, bitmask, handle;
1383

1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396
	/* 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) {
1397 1398 1399 1400
		case 0x0105:
		case 0x0148:
			sony_nc_touchpad_cleanup(pd);
			break;
1401 1402 1403 1404 1405
		case 0x0115:
		case 0x0136:
		case 0x013f:
			sony_nc_battery_care_cleanup(pd);
			break;
1406 1407 1408
		case 0x0119:
			sony_nc_lid_resume_cleanup(pd);
			break;
1409 1410 1411
		case 0x0122:
			sony_nc_thermal_cleanup(pd);
			break;
1412 1413 1414
		case 0x0131:
			sony_nc_highspeed_charging_cleanup(pd);
			break;
1415 1416 1417 1418 1419
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_cleanup();
			break;
		case 0x0137:
1420
		case 0x0143:
1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
			sony_nc_kbd_backlight_cleanup(pd);
			break;
		default:
			continue;
		}
	}

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

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;
1455 1456 1457
		case 0x0122:
			sony_nc_thermal_resume();
			break;
1458 1459 1460 1461 1462
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_update();
			break;
		case 0x0137:
1463
		case 0x0143:
1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475
			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);
1476 1477
}

1478
static int sony_nc_resume(struct acpi_device *device)
1479
{
1480
	struct sony_nc_value *item;
1481
	acpi_handle handle;
1482

1483
	for (item = sony_nc_values; item->name; item++) {
1484 1485 1486 1487
		int ret;

		if (!item->valid)
			continue;
1488 1489
		ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
				       &item->value, NULL);
1490
		if (ret < 0) {
1491
			pr_err("%s: %d\n", __func__, ret);
1492 1493 1494
			break;
		}
	}
1495

1496 1497
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
1498 1499
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1500 1501 1502
			dprintk("ECON Method failed\n");
	}

1503
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1504 1505
					 &handle)))
		sony_nc_function_resume();
1506

1507 1508 1509
	return 0;
}

1510 1511 1512 1513
static void sony_nc_rfkill_cleanup(void)
{
	int i;

J
Johannes Berg 已提交
1514 1515
	for (i = 0; i < N_SONY_RFKILL; i++) {
		if (sony_rfkill_devices[i]) {
1516
			rfkill_unregister(sony_rfkill_devices[i]);
J
Johannes Berg 已提交
1517 1518
			rfkill_destroy(sony_rfkill_devices[i]);
		}
1519 1520 1521
	}
}

J
Johannes Berg 已提交
1522
static int sony_nc_rfkill_set(void *data, bool blocked)
1523 1524 1525 1526
{
	int result;
	int argument = sony_rfkill_address[(long) data] + 0x100;

J
Johannes Berg 已提交
1527
	if (!blocked)
1528
		argument |= 0x030000;
1529

1530
	return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1531 1532
}

J
Johannes Berg 已提交
1533 1534 1535
static const struct rfkill_ops sony_rfkill_ops = {
	.set_block = sony_nc_rfkill_set,
};
1536

J
Johannes Berg 已提交
1537 1538
static int sony_nc_setup_rfkill(struct acpi_device *device,
				enum sony_nc_rfkill nc_type)
1539 1540
{
	int err = 0;
J
Johannes Berg 已提交
1541 1542 1543
	struct rfkill *rfk;
	enum rfkill_type type;
	const char *name;
1544
	int result;
1545
	bool hwblock, swblock;
J
Johannes Berg 已提交
1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565

	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;
1566
	}
1567

J
Johannes Berg 已提交
1568 1569 1570 1571
	rfk = rfkill_alloc(name, &device->dev, type,
			   &sony_rfkill_ops, (void *)nc_type);
	if (!rfk)
		return -ENOMEM;
1572

1573 1574 1575 1576
	if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
1577
	hwblock = !(result & 0x1);
1578 1579 1580 1581 1582 1583 1584 1585 1586 1587

	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);
1588 1589
	rfkill_set_hw_state(rfk, hwblock);

J
Johannes Berg 已提交
1590 1591 1592 1593
	err = rfkill_register(rfk);
	if (err) {
		rfkill_destroy(rfk);
		return err;
1594
	}
J
Johannes Berg 已提交
1595
	sony_rfkill_devices[nc_type] = rfk;
1596 1597 1598
	return err;
}

1599
static void sony_nc_rfkill_update(void)
1600
{
J
Johannes Berg 已提交
1601 1602 1603
	enum sony_nc_rfkill i;
	int result;
	bool hwblock;
1604

1605
	sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
J
Johannes Berg 已提交
1606
	hwblock = !(result & 0x1);
1607

J
Johannes Berg 已提交
1608 1609
	for (i = 0; i < N_SONY_RFKILL; i++) {
		int argument = sony_rfkill_address[i];
1610

J
Johannes Berg 已提交
1611 1612 1613 1614
		if (!sony_rfkill_devices[i])
			continue;

		if (hwblock) {
J
Johannes Berg 已提交
1615 1616 1617
			if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
				/* we already know we're blocked */
			}
J
Johannes Berg 已提交
1618
			continue;
1619
		}
J
Johannes Berg 已提交
1620

1621
		sony_call_snc_handle(sony_rfkill_handle, argument, &result);
J
Johannes Berg 已提交
1622
		rfkill_set_states(sony_rfkill_devices[i],
1623
				  !(result & 0x2), false);
1624 1625 1626
	}
}

1627 1628
static int sony_nc_rfkill_setup(struct acpi_device *device,
		unsigned int handle)
1629
{
1630 1631 1632
	u64 offset;
	int i;
	unsigned char buffer[32] = { 0 };
1633

1634 1635
	offset = sony_find_snc_handle(handle);
	sony_rfkill_handle = handle;
1636

1637 1638 1639
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659
		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
1660
	 */
1661
	for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1662

1663
		if (buffer[i] == 0xff)
1664 1665
			break;

1666
		dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1667

1668
		if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1669 1670
			sony_nc_setup_rfkill(device, SONY_WIFI);

1671
		if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1672 1673
			sony_nc_setup_rfkill(device, SONY_BLUETOOTH);

1674 1675
		if (((0xf0 & buffer[i]) == 0x20 ||
					(0xf0 & buffer[i]) == 0x50) &&
1676 1677 1678
				!sony_rfkill_devices[SONY_WWAN])
			sony_nc_setup_rfkill(device, SONY_WWAN);

1679
		if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1680 1681
			sony_nc_setup_rfkill(device, SONY_WIMAX);
	}
1682
	return 0;
1683 1684
}

1685 1686
/* Keyboard backlight feature */
struct kbd_backlight {
1687 1688 1689 1690
	unsigned int handle;
	unsigned int base;
	unsigned int mode;
	unsigned int timeout;
1691 1692 1693 1694
	struct device_attribute mode_attr;
	struct device_attribute timeout_attr;
};

1695
static struct kbd_backlight *kbdbl_ctl;
1696 1697 1698 1699 1700 1701 1702 1703

static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
{
	int result;

	if (value > 1)
		return -EINVAL;

1704 1705
	if (sony_call_snc_handle(kbdbl_ctl->handle,
				(value << 0x10) | (kbdbl_ctl->base), &result))
1706 1707
		return -EIO;

1708
	/* Try to turn the light on/off immediately */
1709 1710
	sony_call_snc_handle(kbdbl_ctl->handle,
			(value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1711

1712
	kbdbl_ctl->mode = value;
1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726

	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;

1727
	if (kstrtoul(buffer, 10, &value))
1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740
		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;
1741
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1742 1743 1744 1745 1746 1747 1748 1749 1750 1751
	return count;
}

static int __sony_nc_kbd_backlight_timeout_set(u8 value)
{
	int result;

	if (value > 3)
		return -EINVAL;

1752 1753
	if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
				(kbdbl_ctl->base + 0x200), &result))
1754 1755
		return -EIO;

1756
	kbdbl_ctl->timeout = value;
1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770

	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;

1771
	if (kstrtoul(buffer, 10, &value))
1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784
		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;
1785
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1786 1787 1788
	return count;
}

1789 1790
static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
		unsigned int handle)
1791 1792
{
	int result;
1793
	int ret = 0;
1794

1795 1796 1797 1798 1799 1800 1801
	/* 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;
1802

1803 1804 1805 1806 1807
	if ((handle == 0x0137 && !(result & 0x02)) ||
			!(result & 0x01)) {
		dprintk("no backlight keyboard found\n");
		return 0;
	}
1808

1809 1810 1811
	kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
	if (!kbdbl_ctl)
		return -ENOMEM;
1812

1813 1814 1815 1816 1817
	kbdbl_ctl->handle = handle;
	if (handle == 0x0137)
		kbdbl_ctl->base = 0x0C00;
	else
		kbdbl_ctl->base = 0x4000;
1818

1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832
	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)
1833 1834
		goto outkzalloc;

1835 1836
	ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
	if (ret)
1837 1838 1839 1840 1841
		goto outmode;

	__sony_nc_kbd_backlight_mode_set(kbd_backlight);
	__sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);

1842
	return 0;
1843 1844

outmode:
1845
	device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1846
outkzalloc:
1847 1848 1849
	kfree(kbdbl_ctl);
	kbdbl_ctl = NULL;
	return ret;
1850 1851
}

1852
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1853
{
1854
	if (kbdbl_ctl) {
1855 1856
		int result;

1857 1858
		device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
		device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1859 1860

		/* restore the default hw behaviour */
1861 1862 1863 1864
		sony_call_snc_handle(kbdbl_ctl->handle,
				kbdbl_ctl->base | 0x10000, &result);
		sony_call_snc_handle(kbdbl_ctl->handle,
				kbdbl_ctl->base + 0x200, &result);
1865

1866 1867
		kfree(kbdbl_ctl);
		kbdbl_ctl = NULL;
1868 1869 1870
	}
}

1871 1872 1873 1874
static void sony_nc_kbd_backlight_resume(void)
{
	int ignore = 0;

1875
	if (!kbdbl_ctl)
1876 1877
		return;

1878 1879
	if (kbdbl_ctl->mode == 0)
		sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1880
				&ignore);
1881 1882 1883 1884 1885

	if (kbdbl_ctl->timeout != 0)
		sony_call_snc_handle(kbdbl_ctl->handle,
				(kbdbl_ctl->base + 0x200) |
				(kbdbl_ctl->timeout << 0x10), &ignore);
1886 1887
}

1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 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
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
	 */

	/*
	 * 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
	 *
	 * Store only inside the EC for now, regardless the handle number
	 */
	if (value == 0)
		/* disable limits */
		cmd = 0x0;

	else if (value <= 50)
		cmd = 0x21;

	else if (value <= 80)
		cmd = 0x11;

	else if (value <= 100)
		cmd = 0x31;

	else
		return -EINVAL;

	if (sony_call_snc_handle(bcare_ctl->handle, (cmd << 0x10) | 0x0100,
				&result))
		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;
	}
}

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 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 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215
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;
	unsigned int mode = sony_nc_thermal_mode_get();

	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;
	}
}

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);
}

2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 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
/* 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:
	for (; i > 0; i--)
		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;
	}
}

2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 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
/* 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;
	}
}

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 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
/* 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;
	}
}

2493 2494 2495
static void sony_nc_backlight_ng_read_limits(int handle,
		struct sony_backlight_props *props)
{
2496 2497
	u64 offset;
	int i;
2498
	u8 min = 0xff, max = 0x00;
2499
	unsigned char buffer[32] = { 0 };
2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511

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

	offset = sony_find_snc_handle(handle);
	if (offset < 0)
		return;

	/* try to read the boundaries from ACPI tables, if we fail the above
	 * defaults should be reasonable
	 */
2512 2513 2514
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
2515 2516 2517
		return;

	/* the buffer lists brightness levels available, brightness levels are
2518 2519
	 * from position 0 to 8 in the array, other values are used by ALS
	 * control.
2520
	 */
2521
	for (i = 0; i < 9 && i < ARRAY_SIZE(buffer); i++) {
2522

2523
		dprintk("Brightness level: %d\n", buffer[i]);
2524

2525
		if (!buffer[i])
2526 2527
			break;

2528 2529 2530 2531
		if (buffer[i] > max)
			max = buffer[i];
		if (buffer[i] < min)
			min = buffer[i];
2532 2533 2534 2535 2536 2537 2538
	}
	props->offset = min;
	props->maxlvl = max;
	dprintk("Brightness levels: min=%d max=%d\n", props->offset,
			props->maxlvl);
}

2539 2540 2541 2542 2543 2544 2545 2546 2547
static void sony_nc_backlight_setup(void)
{
	acpi_handle unused;
	int max_brightness = 0;
	const struct backlight_ops *ops = NULL;
	struct backlight_properties props;

	if (sony_find_snc_handle(0x12f) != -1) {
		ops = &sony_backlight_ng_ops;
2548 2549
		sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2550 2551 2552

	} else if (sony_find_snc_handle(0x137) != -1) {
		ops = &sony_backlight_ng_ops;
2553 2554
		sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566

	} 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;
2567 2568 2569
	sony_bl_props.dev = backlight_device_register("sony", NULL,
						      &sony_bl_props,
						      ops, &props);
2570

2571
	if (IS_ERR(sony_bl_props.dev)) {
2572
		pr_warn("unable to register backlight device\n");
2573
		sony_bl_props.dev = NULL;
2574
	} else
2575 2576
		sony_bl_props.dev->props.brightness =
			ops->get_brightness(sony_bl_props.dev);
2577 2578 2579 2580
}

static void sony_nc_backlight_cleanup(void)
{
2581 2582
	if (sony_bl_props.dev)
		backlight_device_unregister(sony_bl_props.dev);
2583 2584
}

2585
static int sony_nc_add(struct acpi_device *device)
2586 2587
{
	acpi_status status;
2588
	int result = 0;
2589
	acpi_handle handle;
2590
	struct sony_nc_value *item;
2591

2592
	pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2593

2594
	sony_nc_acpi_device = device;
2595
	strcpy(acpi_device_class(device), "sony/hotkey");
2596

2597
	sony_nc_acpi_handle = device->handle;
2598

2599 2600 2601 2602 2603 2604 2605 2606 2607
	/* 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;
	}

2608 2609 2610 2611
	result = sony_pf_add();
	if (result)
		goto outpresent;

2612
	if (debug) {
2613 2614 2615
		status = acpi_walk_namespace(ACPI_TYPE_METHOD,
				sony_nc_acpi_handle, 1, sony_walk_callback,
				NULL, NULL, NULL);
2616
		if (ACPI_FAILURE(status)) {
2617
			pr_warn("unable to walk acpi resources\n");
2618
			result = -ENODEV;
2619
			goto outpresent;
2620
		}
2621
	}
2622

2623 2624
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
2625 2626
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2627 2628 2629
			dprintk("ECON Method failed\n");
	}

2630 2631 2632
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
2633
		/* retrieve the available handles */
2634
		result = sony_nc_handles_setup(sony_pf_device);
2635 2636
		if (!result)
			sony_nc_function_setup(device, sony_pf_device);
2637 2638
	}

2639
	/* setup input devices and helper fifo */
2640
	result = sony_laptop_setup_input(device);
2641
	if (result) {
2642
		pr_err("Unable to create input devices\n");
2643
		goto outsnc;
2644 2645
	}

2646
	if (acpi_video_backlight_support()) {
2647
		pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2648 2649
	} else {
		sony_nc_backlight_setup();
2650
	}
2651

2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662
	/* 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))) {
2663 2664
				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
2665 2666 2667 2668 2669 2670 2671 2672 2673 2674
				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))) {
2675 2676
				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690
				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;
		}
	}

2691 2692
	return 0;

2693 2694 2695 2696
      out_sysfs:
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
2697
	sony_nc_backlight_cleanup();
2698

2699 2700
	sony_laptop_remove_input();

2701
      outsnc:
2702
	sony_nc_function_cleanup(sony_pf_device);
2703 2704 2705 2706 2707
	sony_nc_handles_cleanup(sony_pf_device);

      outpresent:
	sony_pf_remove();

L
Len Brown 已提交
2708
      outwalk:
2709
	sony_nc_rfkill_cleanup();
2710 2711 2712
	return result;
}

2713
static int sony_nc_remove(struct acpi_device *device, int type)
2714
{
2715
	struct sony_nc_value *item;
2716

2717
	sony_nc_backlight_cleanup();
2718

2719
	sony_nc_acpi_device = NULL;
2720

2721 2722 2723 2724
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

2725
	sony_nc_function_cleanup(sony_pf_device);
2726
	sony_nc_handles_cleanup(sony_pf_device);
2727
	sony_pf_remove();
2728
	sony_laptop_remove_input();
2729
	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2730 2731 2732 2733

	return 0;
}

2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745
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},
};

2746 2747 2748
static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
2749
	.ids = sony_nc_device_ids,
2750
	.owner = THIS_MODULE,
L
Len Brown 已提交
2751
	.ops = {
2752 2753 2754
		.add = sony_nc_add,
		.remove = sony_nc_remove,
		.resume = sony_nc_resume,
2755
		.notify = sony_nc_notify,
L
Len Brown 已提交
2756
		},
2757 2758
};

2759 2760 2761 2762 2763 2764
/*********** SPIC (SNY6001) Device ***********/

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

2765 2766 2767
#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
2768 2769

struct sony_pic_ioport {
2770 2771
	struct acpi_resource_io	io1;
	struct acpi_resource_io	io2;
2772 2773 2774 2775 2776 2777 2778 2779
	struct list_head	list;
};

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

2780 2781 2782 2783 2784 2785
struct sonypi_eventtypes {
	u8			data;
	unsigned long		mask;
	struct sonypi_event	*events;
};

2786 2787 2788 2789 2790 2791 2792 2793 2794
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);
2795 2796
	int				model;
	u16				evport_offset;
2797 2798 2799
	u8				camera_power;
	u8				bluetooth_power;
	u8				wwan_power;
2800 2801 2802 2803 2804 2805 2806
};

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

2807 2808
static int spic_drv_registered;

2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
/* Event masks */
#define SONYPI_JOGGER_MASK			0x00000001
#define SONYPI_CAPTURE_MASK			0x00000002
#define SONYPI_FNKEY_MASK			0x00000004
#define SONYPI_BLUETOOTH_MASK			0x00000008
#define SONYPI_PKEY_MASK			0x00000010
#define SONYPI_BACK_MASK			0x00000020
#define SONYPI_HELP_MASK			0x00000040
#define SONYPI_LID_MASK				0x00000080
#define SONYPI_ZOOM_MASK			0x00000100
#define SONYPI_THUMBPHRASE_MASK			0x00000200
#define SONYPI_MEYE_MASK			0x00000400
#define SONYPI_MEMORYSTICK_MASK			0x00000800
#define SONYPI_BATTERY_MASK			0x00001000
#define SONYPI_WIRELESS_MASK			0x00002000

struct sonypi_event {
	u8	data;
	u8	event;
};

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

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

/* The set of possible capture button events */
static struct sonypi_event sonypi_captureev[] = {
	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
M
Mattia Dongili 已提交
2858
	{ 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894
	{ 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 },
2895
	{ 0x20, SONYPI_EVENT_PKEY_P1 },
2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908
	{ 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[] = {
2909 2910
	{ 0x59, SONYPI_EVENT_IGNORE },
	{ 0x5a, SONYPI_EVENT_IGNORE },
2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936
	{ 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
2937 2938
	{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
	{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2939
	{ 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969
	{ 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 }
};

2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982
/* 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 }
};

2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019
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 },
M
Mattia Dongili 已提交
3020 3021 3022
	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3023 3024
	{ 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
	{ 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
M
Mattia Dongili 已提交
3025
	{ 0 },
3026 3027
};

M
Mattia Dongili 已提交
3028
/* low level spic calls */
3029 3030 3031 3032 3033 3034 3035 3036
#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",	\
3037
				__FILE__, __func__, __LINE__);	\
3038 3039 3040 3041 3042 3043
}

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

3044
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3045
			ITERATIONS_LONG);
3046 3047 3048
	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);
3049
	dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3050 3051 3052 3053 3054 3055 3056
	return v2;
}

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

3057
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3058
			ITERATIONS_LONG);
3059 3060
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3061
			ITERATIONS_LONG);
3062 3063
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3064
	dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3065 3066 3067
	return v1;
}

3068 3069 3070 3071
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

3072 3073 3074 3075 3076 3077 3078
	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);
3079 3080
	dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
			dev, fn, v, v1);
3081 3082 3083
	return v1;
}

M
Mattia Dongili 已提交
3084 3085 3086
/*
 * minidrivers for SPIC models
 */
3087
static int type3_handle_irq(const u8 data_mask, const u8 ev)
M
Mattia Dongili 已提交
3088 3089 3090
{
	/*
	 * 0x31 could mean we have to take some extra action and wait for
3091
	 * the next irq for some Type3 models, it will generate a new
M
Mattia Dongili 已提交
3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112
	 * 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) {
3113 3114 3115
		dev->model = SONYPI_DEVICE_TYPE1;
		dev->evport_offset = SONYPI_TYPE1_OFFSET;
		dev->event_types = type1_events;
M
Mattia Dongili 已提交
3116 3117 3118 3119 3120 3121
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
	if (pcidev) {
3122 3123 3124
		dev->model = SONYPI_DEVICE_TYPE2;
		dev->evport_offset = SONYPI_TYPE2_OFFSET;
		dev->event_types = type2_events;
M
Mattia Dongili 已提交
3125 3126 3127 3128 3129 3130
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
	if (pcidev) {
3131 3132 3133 3134
		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
3135 3136 3137 3138 3139 3140
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
	if (pcidev) {
3141 3142 3143 3144
		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
3145 3146 3147
		goto out;
	}

3148 3149 3150
	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
	if (pcidev) {
3151 3152 3153 3154
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
3155 3156 3157
		goto out;
	}

M
Mattia Dongili 已提交
3158
	/* default */
3159 3160 3161
	dev->model = SONYPI_DEVICE_TYPE2;
	dev->evport_offset = SONYPI_TYPE2_OFFSET;
	dev->event_types = type2_events;
M
Mattia Dongili 已提交
3162 3163 3164 3165 3166

out:
	if (pcidev)
		pci_dev_put(pcidev);

3167 3168 3169
	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
3170 3171
}

3172 3173 3174
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202

#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
3203

3204
static int __sony_pic_camera_ready(void)
3205 3206 3207 3208 3209 3210 3211
{
	u8 v;

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

3212
static int __sony_pic_camera_off(void)
3213
{
3214
	if (!camera) {
3215
		pr_warn("camera control not enabled\n");
3216 3217 3218
		return -ENODEV;
	}

3219 3220 3221 3222
	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

3223 3224 3225 3226 3227
	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
3228 3229
}

3230
static int __sony_pic_camera_on(void)
3231
{
3232 3233 3234
	int i, j, x;

	if (!camera) {
3235
		pr_warn("camera control not enabled\n");
3236 3237
		return -ENODEV;
	}
3238 3239

	if (spic_dev.camera_power)
3240
		return 0;
3241 3242 3243

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

3244
		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3245 3246 3247 3248
			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
3249
			if (__sony_pic_camera_ready())
3250 3251 3252 3253 3254 3255 3256 3257
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
3258
		pr_warn("failed to power on camera\n");
3259
		return -ENODEV;
3260 3261 3262 3263 3264 3265 3266
	}

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

	spic_dev.camera_power = 1;
3267
	return 0;
3268 3269
}

3270 3271 3272 3273 3274 3275 3276 3277 3278
/* 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) {
3279
	case SONY_PIC_COMMAND_SETCAMERA:
3280 3281 3282 3283 3284
		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
3285
	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3286 3287 3288
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
3289
	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3290 3291 3292
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
3293
	case SONY_PIC_COMMAND_SETCAMERAHUE:
3294 3295 3296
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
3297
	case SONY_PIC_COMMAND_SETCAMERACOLOR:
3298 3299 3300
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
3301
	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3302 3303 3304
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
3305
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3306 3307 3308
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
3309
	case SONY_PIC_COMMAND_SETCAMERAAGC:
3310 3311 3312 3313
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
				ITERATIONS_SHORT);
		break;
	default:
3314
		pr_err("sony_pic_camera_command invalid: %d\n", command);
3315 3316 3317 3318 3319 3320 3321
		break;
	}
	mutex_unlock(&spic_dev.lock);
	return 0;
}
EXPORT_SYMBOL(sony_pic_camera_command);

3322
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3323
static void __sony_pic_set_wwanpower(u8 state)
3324 3325
{
	state = !!state;
3326
	if (spic_dev.wwan_power == state)
3327 3328
		return;
	sony_pic_call2(0xB0, state);
3329
	sony_pic_call1(0x82);
3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340
	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;

3341 3342 3343
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3344 3345 3346
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_wwanpower(value);
	mutex_unlock(&spic_dev.lock);
3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360

	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;
}

3361
/* bluetooth subsystem power state */
3362
static void __sony_pic_set_bluetoothpower(u8 state)
3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379
{
	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;

3380 3381 3382
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3383 3384 3385
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
3386 3387 3388 3389 3390 3391 3392

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
3393 3394 3395 3396 3397
	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;
3398 3399 3400 3401 3402
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
3403 3404 3405 3406 3407 3408 3409 3410 3411 3412
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);
}

3413 3414 3415 3416 3417 3418 3419 3420
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;

3421 3422 3423
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3424
	if (sony_pic_set_fanspeed(value))
3425 3426 3427 3428 3429 3430 3431 3432 3433
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
3434
	if (sony_pic_get_fanspeed(&value))
3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445
		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);
3446
static SPIC_ATTR(wwanpower, 0644);
3447 3448 3449 3450
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
3451
	&spic_attr_wwanpower.attr,
3452 3453 3454 3455 3456 3457 3458 3459
	&spic_attr_fanspeed.attr,
	NULL
};

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

3460
/******** SONYPI compatibility **********/
3461
#ifdef CONFIG_SONYPI_COMPAT
3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479

/* 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;
3480
	struct kfifo		fifo;
3481 3482 3483 3484 3485 3486 3487 3488 3489 3490
	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)
{
3491
	return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502
}

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
3503 3504
	unsigned long flags;

3505
	spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3506

3507
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
S
Stefani Seibold 已提交
3508
		kfifo_reset(&sonypi_compat.fifo);
A
Alessio Igor Bogani 已提交
3509

3510
	spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3511

3512 3513 3514 3515 3516 3517 3518 3519 3520
	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;

3521
	if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3522 3523 3524 3525
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3526
				       kfifo_len(&sonypi_compat.fifo) != 0);
3527 3528 3529 3530
	if (ret)
		return ret;

	while (ret < count &&
3531
	       (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
S
Stefani Seibold 已提交
3532
			  &sonypi_compat.fifo_lock) == sizeof(c))) {
3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548
		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);
3549
	if (kfifo_len(&sonypi_compat.fifo))
3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564
		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
3565 3566
static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
							unsigned long arg)
3567 3568 3569 3570 3571 3572 3573
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

3574
	mutex_lock(&spic_dev.lock);
3575 3576
	switch (cmd) {
	case SONYPI_IOCGBRT:
3577
		if (sony_bl_props.dev == NULL) {
3578 3579 3580
			ret = -EIO;
			break;
		}
3581 3582
		if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
					&value)) {
3583 3584 3585 3586 3587 3588 3589 3590
			ret = -EIO;
			break;
		}
		val8 = ((value & 0xff) - 1) << 5;
		if (copy_to_user(argp, &val8, sizeof(val8)))
				ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
3591
		if (sony_bl_props.dev == NULL) {
3592 3593 3594 3595 3596 3597 3598
			ret = -EIO;
			break;
		}
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
3599 3600 3601
		value = (val8 >> 5) + 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
					NULL)) {
3602 3603 3604 3605
			ret = -EIO;
			break;
		}
		/* sync the backlight device status */
3606 3607
		sony_bl_props.dev->props.brightness =
		    sony_backlight_get_brightness(sony_bl_props.dev);
3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659
		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;
		}
3660
		__sony_pic_set_bluetoothpower(val8);
3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690
		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;
	}
3691
	mutex_unlock(&spic_dev.lock);
3692 3693 3694 3695 3696 3697 3698 3699 3700 3701
	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
3702
	.unlocked_ioctl	= sonypi_misc_ioctl,
3703
	.llseek		= noop_llseek,
3704 3705 3706 3707 3708 3709 3710 3711 3712 3713
};

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

static void sonypi_compat_report_event(u8 event)
{
3714
	kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
S
Stefani Seibold 已提交
3715
			sizeof(event), &sonypi_compat.fifo_lock);
3716 3717 3718 3719 3720 3721 3722 3723 3724
	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);
3725
	error =
S
Stefani Seibold 已提交
3726
	 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3727
	if (error) {
3728
		pr_err("kfifo_alloc failed\n");
3729
		return error;
3730 3731 3732 3733 3734 3735 3736 3737
	}

	init_waitqueue_head(&sonypi_compat.fifo_proc_list);

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
3738
		pr_err("misc_register failed\n");
3739 3740 3741
		goto err_free_kfifo;
	}
	if (minor == -1)
3742 3743
		pr_info("device allocated minor is %d\n",
			sonypi_misc_device.minor);
3744 3745 3746 3747

	return 0;

err_free_kfifo:
3748
	kfifo_free(&sonypi_compat.fifo);
3749 3750 3751 3752 3753 3754
	return error;
}

static void sonypi_compat_exit(void)
{
	misc_deregister(&sonypi_misc_device);
3755
	kfifo_free(&sonypi_compat.fifo);
3756 3757 3758 3759 3760
}
#else
static int sonypi_compat_init(void) { return 0; }
static void sonypi_compat_exit(void) { }
static void sonypi_compat_report_event(u8 event) { }
3761
#endif /* CONFIG_SONYPI_COMPAT */
3762

3763
/*
3764
 * ACPI callbacks
3765
 */
3766 3767 3768 3769 3770 3771 3772 3773
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:
3774 3775 3776 3777 3778 3779 3780 3781 3782 3783
		{
			/* 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;
		}

3784
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3785
		/* end IO enumeration */
3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801
		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]) {
3802 3803
					pr_warn("Invalid IRQ %d\n",
						p->interrupts[i]);
3804 3805 3806 3807 3808 3809 3810
					continue;
				}
				interrupt = kzalloc(sizeof(*interrupt),
						GFP_KERNEL);
				if (!interrupt)
					return AE_ERROR;

3811
				list_add(&interrupt->list, &dev->interrupts);
3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822
				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;
3823 3824
			struct sony_pic_ioport *ioport =
				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3825 3826 3827 3828 3829
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840
			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 {
3841
				pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3842
				return AE_ERROR;
3843
			}
3844 3845 3846 3847
			return AE_OK;
		}
	default:
		dprintk("Resource %d isn't an IRQ nor an IO port\n",
3848
			resource->type);
3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868

	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) {
3869
		pr_warn("Unable to read status\n");
3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884
		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)) {
3885
		pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896
		result = -ENODEV;
	}
end:
	return result;
}

/*
 *  Disable the spic device by calling its _DIS method
 */
static int sony_pic_disable(struct acpi_device *device)
{
3897 3898 3899 3900
	acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
					       NULL);

	if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917
		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;
3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928
	/* Type 1 resource layout is:
	 *    IO
	 *    IO
	 *    IRQNoFlags
	 *    End
	 *
	 * Type 2 and 3 resource layout is:
	 *    IO
	 *    IRQNoFlags
	 *    End
	 */
3929
	struct {
3930 3931 3932 3933
		struct acpi_resource res1;
		struct acpi_resource res2;
		struct acpi_resource res3;
		struct acpi_resource res4;
3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947
	} *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;

3948
	/* setup Type 1 resources */
3949
	if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3950

3951 3952 3953 3954 3955
		/* 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));
3956

3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990
		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;
	}
3991 3992 3993 3994 3995 3996 3997

	/* 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)) {
3998
		pr_err("Error evaluating _SRS\n");
3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026
		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;

4027 4028 4029 4030
	ev = inb_p(dev->cur_ioport->io1.minimum);
	if (dev->cur_ioport->io2.minimum)
		data_mask = inb_p(dev->cur_ioport->io2.minimum);
	else
4031
		data_mask = inb_p(dev->cur_ioport->io1.minimum +
4032
				dev->evport_offset);
4033

4034
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4035
			ev, data_mask, dev->cur_ioport->io1.minimum,
4036
			dev->evport_offset);
4037 4038 4039 4040

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

4041
	for (i = 0; dev->event_types[i].mask; i++) {
4042

4043 4044
		if ((data_mask & dev->event_types[i].data) !=
		    dev->event_types[i].data)
4045 4046
			continue;

4047
		if (!(mask & dev->event_types[i].mask))
4048 4049
			continue;

4050 4051
		for (j = 0; dev->event_types[i].events[j].event; j++) {
			if (ev == dev->event_types[i].events[j].data) {
4052
				device_event =
4053
					dev->event_types[i].events[j].event;
4054 4055 4056
				/* some events may require ignoring */
				if (!device_event)
					return IRQ_HANDLED;
4057 4058 4059 4060
				goto found;
			}
		}
	}
M
Mattia Dongili 已提交
4061 4062 4063
	/* Still not able to decode the event try to pass
	 * it over to the minidriver
	 */
4064
	if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
M
Mattia Dongili 已提交
4065 4066
		return IRQ_HANDLED;

4067 4068
	dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io1.minimum,
4069
			dev->evport_offset);
4070 4071 4072
	return IRQ_HANDLED;

found:
4073
	sony_laptop_report_input_event(device_event);
4074
	acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4075
	sonypi_compat_report_event(device_event);
4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089
	return IRQ_HANDLED;
}

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

	if (sony_pic_disable(device)) {
4090
		pr_err("Couldn't disable device\n");
4091 4092 4093 4094
		return -ENXIO;
	}

	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4095 4096 4097 4098 4099
	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);
4100

4101 4102
	sonypi_compat_exit();

4103
	sony_laptop_remove_input();
4104

4105 4106 4107 4108
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119
	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;

4120
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4121 4122 4123 4124 4125 4126 4127 4128 4129
	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;

4130
	pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4131 4132 4133

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
4134
	sony_pic_detect_device_type(&spic_dev);
4135
	mutex_init(&spic_dev.lock);
4136 4137 4138 4139

	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
4140
		pr_err("Unable to read possible resources\n");
4141 4142 4143 4144
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
4145
	result = sony_laptop_setup_input(device);
4146
	if (result) {
4147
		pr_err("Unable to create input devices\n");
4148 4149 4150
		goto err_free_resources;
	}

4151 4152 4153
	if (sonypi_compat_init())
		goto err_remove_input;

4154
	/* request io port */
4155 4156
	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
		if (request_region(io->io1.minimum, io->io1.address_length,
4157
					"Sony Programmable I/O Device")) {
4158 4159 4160 4161 4162 4163 4164
			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,
4165
						"Sony Programmable I/O Device")) {
4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184
					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;
			}
4185 4186 4187
		}
	}
	if (!spic_dev.cur_ioport) {
4188
		pr_err("Failed to request_region\n");
4189
		result = -ENODEV;
4190
		goto err_remove_compat;
4191 4192 4193
	}

	/* request IRQ */
4194
	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4195
		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
Y
Yong Zhang 已提交
4196
					0, "sony-laptop", &spic_dev)) {
4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207
			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) {
4208
		pr_err("Failed to request_irq\n");
4209 4210 4211 4212 4213 4214 4215
		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) {
4216
		pr_err("Couldn't enable device\n");
4217 4218 4219
		goto err_free_irq;
	}

4220 4221 4222 4223 4224 4225 4226 4227 4228 4229
	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;

4230 4231
	return 0;

4232 4233 4234 4235 4236 4237
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

4238 4239 4240 4241
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
4242 4243 4244 4245 4246
	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);
4247

4248 4249 4250
err_remove_compat:
	sonypi_compat_exit();

4251
err_remove_input:
4252
	sony_laptop_remove_input();
4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281

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

	return result;
}

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

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

4282 4283 4284 4285 4286
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

4287 4288 4289
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
4290
	.ids = sony_pic_device_ids,
4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317
	.owner = THIS_MODULE,
	.ops = {
		.add = sony_pic_add,
		.remove = sony_pic_remove,
		.suspend = sony_pic_suspend,
		.resume = sony_pic_resume,
		},
};

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

4318
static int __init sony_laptop_init(void)
4319
{
4320 4321 4322 4323 4324
	int result;

	if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
		result = acpi_bus_register_driver(&sony_pic_driver);
		if (result) {
4325
			pr_err("Unable to register SPIC driver\n");
4326 4327
			goto out;
		}
4328
		spic_drv_registered = 1;
4329 4330 4331 4332
	}

	result = acpi_bus_register_driver(&sony_nc_driver);
	if (result) {
4333
		pr_err("Unable to register SNC driver\n");
4334 4335 4336 4337 4338 4339
		goto out_unregister_pic;
	}

	return 0;

out_unregister_pic:
4340
	if (spic_drv_registered)
4341 4342 4343
		acpi_bus_unregister_driver(&sony_pic_driver);
out:
	return result;
4344 4345
}

4346
static void __exit sony_laptop_exit(void)
4347
{
4348
	acpi_bus_unregister_driver(&sony_nc_driver);
4349
	if (spic_drv_registered)
4350
		acpi_bus_unregister_driver(&sony_pic_driver);
4351 4352
}

4353 4354
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);