sony-laptop.c 107.5 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
	int value;
977
	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
	if (kstrtoint(buffer, 10, &value))
988
		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
	ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
997
			       &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
struct sony_backlight_props {
	struct backlight_device *dev;
	int			handle;
1013
	int			cmd_base;
1014 1015 1016 1017 1018
	u8			offset;
	u8			maxlvl;
};
struct sony_backlight_props sony_bl_props;

1019
static int sony_backlight_update_status(struct backlight_device *bd)
1020
{
1021 1022
	int arg = bd->props.brightness + 1;
	return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1023
}
1024

1025 1026 1027
static int sony_backlight_get_brightness(struct backlight_device *bd)
{
	int value;
1028

1029
	if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1030 1031 1032
		return 0;
	/* brightness levels are 1-based, while backlight ones are 0-based */
	return value - 1;
1033 1034
}

1035 1036 1037
static int sony_nc_get_brightness_ng(struct backlight_device *bd)
{
	int result;
1038 1039
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1040

1041
	sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1042

1043
	return (result & 0xff) - sdev->offset;
1044 1045 1046 1047 1048
}

static int sony_nc_update_status_ng(struct backlight_device *bd)
{
	int value, result;
1049 1050
	struct sony_backlight_props *sdev =
		(struct sony_backlight_props *)bl_get_data(bd);
1051

1052
	value = bd->props.brightness + sdev->offset;
1053 1054
	if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
				&result))
1055
		return -EIO;
1056

1057
	return value;
1058 1059
}

L
Lionel Debroux 已提交
1060
static const struct backlight_ops sony_backlight_ops = {
1061
	.options = BL_CORE_SUSPENDRESUME,
L
Len Brown 已提交
1062 1063
	.update_status = sony_backlight_update_status,
	.get_brightness = sony_backlight_get_brightness,
1064
};
1065 1066 1067 1068 1069
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,
};
1070

1071 1072 1073 1074 1075 1076 1077 1078
/*
 * New SNC-only Vaios event mapping to driver known keys
 */
struct sony_nc_event {
	u8	data;
	u8	event;
};

1079
static struct sony_nc_event sony_100_events[] = {
1080 1081
	{ 0x90, SONYPI_EVENT_PKEY_P1 },
	{ 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082
	{ 0x91, SONYPI_EVENT_PKEY_P2 },
1083
	{ 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1084 1085
	{ 0x81, SONYPI_EVENT_FNKEY_F1 },
	{ 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1086 1087 1088 1089 1090 1091
	{ 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 },
1092 1093 1094 1095 1096 1097
	{ 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 },
1098 1099
	{ 0x88, SONYPI_EVENT_FNKEY_F8 },
	{ 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1100 1101
	{ 0x89, SONYPI_EVENT_FNKEY_F9 },
	{ 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1102 1103
	{ 0x8A, SONYPI_EVENT_FNKEY_F10 },
	{ 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1104 1105
	{ 0x8B, SONYPI_EVENT_FNKEY_F11 },
	{ 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1106 1107
	{ 0x8C, SONYPI_EVENT_FNKEY_F12 },
	{ 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1108 1109
	{ 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
	{ 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110 1111
	{ 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
	{ 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112 1113
	{ 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
	{ 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1114 1115 1116 1117 1118 1119
	{ 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 },
1120 1121 1122
	{ 0, 0 },
};

1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140
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 },
};

1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173
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;
}

1174 1175 1176
/*
 * ACPI callbacks
 */
1177 1178
enum event_types {
	HOTKEY = 1,
1179 1180
	KILLSWITCH,
	GFX_SWITCH
1181
};
1182
static void sony_nc_notify(struct acpi_device *device, u32 event)
1183
{
1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196
	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);
1197
			return;
1198
		}
1199 1200 1201 1202 1203 1204 1205
		handle = handles->cap[offset];

		/* list of handles known for generating events */
		switch (handle) {
		/* hotkey event */
		case 0x0100:
		case 0x0127:
1206
			ev_type = HOTKEY;
1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225
			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.
			 */
1226
			ev_type = KILLSWITCH;
1227 1228 1229 1230 1231 1232 1233 1234
			sony_call_snc_handle(handle, 0x0100, &result);
			real_ev = result & 0x03;

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

			break;
1235

1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
		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;

1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265
		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 */
1266
		ev_type = HOTKEY;
1267 1268 1269 1270 1271 1272 1273
		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);
1274 1275 1276 1277 1278
}

static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
				      void *context, void **return_value)
{
1279
	struct acpi_device_info *info;
1280

1281
	if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1282
		pr_warn("method: name: %4.4s, args %X\n",
1283 1284
			(char *)&info->name, info->param_count);

1285
		kfree(info);
1286
	}
1287 1288 1289 1290

	return AE_OK;
}

1291 1292 1293
/*
 * ACPI device
 */
1294 1295
static void sony_nc_function_setup(struct acpi_device *device,
		struct platform_device *pf_device)
1296
{
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321
	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;
1322 1323 1324 1325 1326 1327 1328 1329
		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;
1330 1331 1332 1333 1334 1335 1336 1337
		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;
1338 1339 1340 1341 1342 1343
		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;
1344 1345 1346 1347 1348 1349
		case 0x0122:
			result = sony_nc_thermal_setup(pf_device);
			if (result)
				pr_err("couldn't set up thermal profile function (%d)\n",
						result);
			break;
1350 1351 1352 1353 1354 1355
		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;
1356 1357
		case 0x0124:
		case 0x0135:
1358 1359 1360 1361
			result = sony_nc_rfkill_setup(device, handle);
			if (result)
				pr_err("couldn't set up rfkill support (%d)\n",
						result);
1362 1363
			break;
		case 0x0137:
1364 1365 1366 1367 1368
		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);
1369 1370 1371 1372 1373
			break;
		default:
			continue;
		}
	}
1374 1375

	/* Enable all events */
1376 1377 1378 1379 1380
	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);
}
1381

1382 1383 1384
static void sony_nc_function_cleanup(struct platform_device *pd)
{
	unsigned int i, result, bitmask, handle;
1385

1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398
	/* 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) {
1399 1400 1401 1402
		case 0x0105:
		case 0x0148:
			sony_nc_touchpad_cleanup(pd);
			break;
1403 1404 1405 1406 1407
		case 0x0115:
		case 0x0136:
		case 0x013f:
			sony_nc_battery_care_cleanup(pd);
			break;
1408 1409 1410
		case 0x0119:
			sony_nc_lid_resume_cleanup(pd);
			break;
1411 1412 1413
		case 0x0122:
			sony_nc_thermal_cleanup(pd);
			break;
1414 1415 1416
		case 0x0131:
			sony_nc_highspeed_charging_cleanup(pd);
			break;
1417 1418 1419 1420 1421
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_cleanup();
			break;
		case 0x0137:
1422
		case 0x0143:
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 1455 1456
			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;
1457 1458 1459
		case 0x0122:
			sony_nc_thermal_resume();
			break;
1460 1461 1462 1463 1464
		case 0x0124:
		case 0x0135:
			sony_nc_rfkill_update();
			break;
		case 0x0137:
1465
		case 0x0143:
1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477
			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);
1478 1479
}

1480
static int sony_nc_resume(struct acpi_device *device)
1481
{
1482
	struct sony_nc_value *item;
1483
	acpi_handle handle;
1484

1485
	for (item = sony_nc_values; item->name; item++) {
1486 1487 1488 1489
		int ret;

		if (!item->valid)
			continue;
1490 1491
		ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
				       &item->value, NULL);
1492
		if (ret < 0) {
1493
			pr_err("%s: %d\n", __func__, ret);
1494 1495 1496
			break;
		}
	}
1497

1498 1499
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
1500 1501
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1502 1503 1504
			dprintk("ECON Method failed\n");
	}

1505
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1506 1507
					 &handle)))
		sony_nc_function_resume();
1508

1509 1510 1511
	return 0;
}

1512 1513 1514 1515
static void sony_nc_rfkill_cleanup(void)
{
	int i;

J
Johannes Berg 已提交
1516 1517
	for (i = 0; i < N_SONY_RFKILL; i++) {
		if (sony_rfkill_devices[i]) {
1518
			rfkill_unregister(sony_rfkill_devices[i]);
J
Johannes Berg 已提交
1519 1520
			rfkill_destroy(sony_rfkill_devices[i]);
		}
1521 1522 1523
	}
}

J
Johannes Berg 已提交
1524
static int sony_nc_rfkill_set(void *data, bool blocked)
1525 1526 1527 1528
{
	int result;
	int argument = sony_rfkill_address[(long) data] + 0x100;

J
Johannes Berg 已提交
1529
	if (!blocked)
1530
		argument |= 0x030000;
1531

1532
	return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1533 1534
}

J
Johannes Berg 已提交
1535 1536 1537
static const struct rfkill_ops sony_rfkill_ops = {
	.set_block = sony_nc_rfkill_set,
};
1538

J
Johannes Berg 已提交
1539 1540
static int sony_nc_setup_rfkill(struct acpi_device *device,
				enum sony_nc_rfkill nc_type)
1541 1542
{
	int err = 0;
J
Johannes Berg 已提交
1543 1544 1545
	struct rfkill *rfk;
	enum rfkill_type type;
	const char *name;
1546
	int result;
1547
	bool hwblock, swblock;
J
Johannes Berg 已提交
1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567

	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;
1568
	}
1569

J
Johannes Berg 已提交
1570 1571 1572 1573
	rfk = rfkill_alloc(name, &device->dev, type,
			   &sony_rfkill_ops, (void *)nc_type);
	if (!rfk)
		return -ENOMEM;
1574

1575 1576 1577 1578
	if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
		rfkill_destroy(rfk);
		return -1;
	}
1579
	hwblock = !(result & 0x1);
1580 1581 1582 1583 1584 1585 1586 1587 1588 1589

	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);
1590 1591
	rfkill_set_hw_state(rfk, hwblock);

J
Johannes Berg 已提交
1592 1593 1594 1595
	err = rfkill_register(rfk);
	if (err) {
		rfkill_destroy(rfk);
		return err;
1596
	}
J
Johannes Berg 已提交
1597
	sony_rfkill_devices[nc_type] = rfk;
1598 1599 1600
	return err;
}

1601
static void sony_nc_rfkill_update(void)
1602
{
J
Johannes Berg 已提交
1603 1604 1605
	enum sony_nc_rfkill i;
	int result;
	bool hwblock;
1606

1607
	sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
J
Johannes Berg 已提交
1608
	hwblock = !(result & 0x1);
1609

J
Johannes Berg 已提交
1610 1611
	for (i = 0; i < N_SONY_RFKILL; i++) {
		int argument = sony_rfkill_address[i];
1612

J
Johannes Berg 已提交
1613 1614 1615 1616
		if (!sony_rfkill_devices[i])
			continue;

		if (hwblock) {
J
Johannes Berg 已提交
1617 1618 1619
			if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
				/* we already know we're blocked */
			}
J
Johannes Berg 已提交
1620
			continue;
1621
		}
J
Johannes Berg 已提交
1622

1623
		sony_call_snc_handle(sony_rfkill_handle, argument, &result);
J
Johannes Berg 已提交
1624
		rfkill_set_states(sony_rfkill_devices[i],
1625
				  !(result & 0x2), false);
1626 1627 1628
	}
}

1629 1630
static int sony_nc_rfkill_setup(struct acpi_device *device,
		unsigned int handle)
1631
{
1632 1633 1634
	u64 offset;
	int i;
	unsigned char buffer[32] = { 0 };
1635

1636 1637
	offset = sony_find_snc_handle(handle);
	sony_rfkill_handle = handle;
1638

1639 1640 1641
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661
		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
1662
	 */
1663
	for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1664

1665
		if (buffer[i] == 0xff)
1666 1667
			break;

1668
		dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1669

1670
		if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1671 1672
			sony_nc_setup_rfkill(device, SONY_WIFI);

1673
		if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1674 1675
			sony_nc_setup_rfkill(device, SONY_BLUETOOTH);

1676 1677
		if (((0xf0 & buffer[i]) == 0x20 ||
					(0xf0 & buffer[i]) == 0x50) &&
1678 1679 1680
				!sony_rfkill_devices[SONY_WWAN])
			sony_nc_setup_rfkill(device, SONY_WWAN);

1681
		if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1682 1683
			sony_nc_setup_rfkill(device, SONY_WIMAX);
	}
1684
	return 0;
1685 1686
}

1687 1688
/* Keyboard backlight feature */
struct kbd_backlight {
1689 1690 1691 1692
	unsigned int handle;
	unsigned int base;
	unsigned int mode;
	unsigned int timeout;
1693 1694 1695 1696
	struct device_attribute mode_attr;
	struct device_attribute timeout_attr;
};

1697
static struct kbd_backlight *kbdbl_ctl;
1698 1699 1700 1701 1702 1703 1704 1705

static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
{
	int result;

	if (value > 1)
		return -EINVAL;

1706 1707
	if (sony_call_snc_handle(kbdbl_ctl->handle,
				(value << 0x10) | (kbdbl_ctl->base), &result))
1708 1709
		return -EIO;

1710
	/* Try to turn the light on/off immediately */
1711 1712
	sony_call_snc_handle(kbdbl_ctl->handle,
			(value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1713

1714
	kbdbl_ctl->mode = value;
1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728

	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;

1729
	if (kstrtoul(buffer, 10, &value))
1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742
		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;
1743
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1744 1745 1746 1747 1748 1749 1750 1751 1752 1753
	return count;
}

static int __sony_nc_kbd_backlight_timeout_set(u8 value)
{
	int result;

	if (value > 3)
		return -EINVAL;

1754 1755
	if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
				(kbdbl_ctl->base + 0x200), &result))
1756 1757
		return -EIO;

1758
	kbdbl_ctl->timeout = value;
1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772

	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;

1773
	if (kstrtoul(buffer, 10, &value))
1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786
		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;
1787
	count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1788 1789 1790
	return count;
}

1791 1792
static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
		unsigned int handle)
1793 1794
{
	int result;
1795
	int ret = 0;
1796

1797 1798 1799 1800 1801 1802 1803
	/* 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;
1804

1805 1806 1807 1808 1809
	if ((handle == 0x0137 && !(result & 0x02)) ||
			!(result & 0x01)) {
		dprintk("no backlight keyboard found\n");
		return 0;
	}
1810

1811 1812 1813
	kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
	if (!kbdbl_ctl)
		return -ENOMEM;
1814

1815 1816 1817 1818 1819
	kbdbl_ctl->handle = handle;
	if (handle == 0x0137)
		kbdbl_ctl->base = 0x0C00;
	else
		kbdbl_ctl->base = 0x4000;
1820

1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834
	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)
1835 1836
		goto outkzalloc;

1837 1838
	ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
	if (ret)
1839 1840 1841 1842 1843
		goto outmode;

	__sony_nc_kbd_backlight_mode_set(kbd_backlight);
	__sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);

1844
	return 0;
1845 1846

outmode:
1847
	device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1848
outkzalloc:
1849 1850 1851
	kfree(kbdbl_ctl);
	kbdbl_ctl = NULL;
	return ret;
1852 1853
}

1854
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1855
{
1856
	if (kbdbl_ctl) {
1857 1858
		int result;

1859 1860
		device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
		device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1861 1862

		/* restore the default hw behaviour */
1863 1864 1865 1866
		sony_call_snc_handle(kbdbl_ctl->handle,
				kbdbl_ctl->base | 0x10000, &result);
		sony_call_snc_handle(kbdbl_ctl->handle,
				kbdbl_ctl->base + 0x200, &result);
1867

1868 1869
		kfree(kbdbl_ctl);
		kbdbl_ctl = NULL;
1870 1871 1872
	}
}

1873 1874 1875 1876
static void sony_nc_kbd_backlight_resume(void)
{
	int ignore = 0;

1877
	if (!kbdbl_ctl)
1878 1879
		return;

1880 1881
	if (kbdbl_ctl->mode == 0)
		sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1882
				&ignore);
1883 1884 1885 1886 1887

	if (kbdbl_ctl->timeout != 0)
		sony_call_snc_handle(kbdbl_ctl->handle,
				(kbdbl_ctl->base + 0x200) |
				(kbdbl_ctl->timeout << 0x10), &ignore);
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
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
	 */
1921
	cmd = 0;
1922

1923 1924 1925 1926 1927 1928
	if (value > 0) {
		if (value <= 50)
			cmd = 0x20;

		else if (value <= 80)
			cmd = 0x10;
1929

1930 1931
		else if (value <= 100)
			cmd = 0x30;
1932

1933 1934
		else
			return -EINVAL;
1935

1936 1937 1938 1939 1940 1941 1942
		/*
		 * handle 0x0115 should allow storing on battery too;
		 * handle 0x0136 same as 0x0115 + health status;
		 * handle 0x013f, same as 0x0136 but no storing on the battery
		 */
		if (bcare_ctl->handle != 0x013f)
			cmd = cmd | (cmd << 2);
1943

1944 1945
		cmd = (cmd | 0x1) << 0x10;
	}
1946

1947
	if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
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 2049 2050 2051
		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;
	}
}

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
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;
2142
	int mode = sony_nc_thermal_mode_get();
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 2216 2217 2218

	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);
}

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 2344 2345 2346
/* 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;
	}
}

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 2418 2419 2420
/* 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;
	}
}

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 2493 2494 2495
/* 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;
	}
}

2496 2497 2498
static void sony_nc_backlight_ng_read_limits(int handle,
		struct sony_backlight_props *props)
{
2499 2500
	u64 offset;
	int i;
2501
	int lvl_table_len = 0;
2502
	u8 min = 0xff, max = 0x00;
2503
	unsigned char buffer[32] = { 0 };
2504 2505 2506 2507 2508 2509 2510 2511 2512 2513

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

	offset = sony_find_snc_handle(handle);

	/* try to read the boundaries from ACPI tables, if we fail the above
	 * defaults should be reasonable
	 */
2514 2515 2516
	i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
			32);
	if (i < 0)
2517 2518
		return;

2519 2520 2521 2522 2523 2524 2525 2526 2527 2528
	switch (handle) {
	case 0x012f:
	case 0x0137:
		lvl_table_len = 9;
		break;
	case 0x143:
		lvl_table_len = 16;
		break;
	}

2529
	/* the buffer lists brightness levels available, brightness levels are
2530 2531
	 * from position 0 to 8 in the array, other values are used by ALS
	 * control.
2532
	 */
2533
	for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2534

2535
		dprintk("Brightness level: %d\n", buffer[i]);
2536

2537
		if (!buffer[i])
2538 2539
			break;

2540 2541 2542 2543
		if (buffer[i] > max)
			max = buffer[i];
		if (buffer[i] < min)
			min = buffer[i];
2544 2545 2546 2547 2548 2549 2550
	}
	props->offset = min;
	props->maxlvl = max;
	dprintk("Brightness levels: min=%d max=%d\n", props->offset,
			props->maxlvl);
}

2551 2552 2553 2554 2555 2556 2557 2558 2559
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;
2560
		sony_bl_props.cmd_base = 0x0100;
2561 2562
		sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2563 2564 2565

	} else if (sony_find_snc_handle(0x137) != -1) {
		ops = &sony_backlight_ng_ops;
2566
		sony_bl_props.cmd_base = 0x0100;
2567 2568
		sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2569

2570 2571 2572 2573 2574 2575
	} else if (sony_find_snc_handle(0x143) != -1) {
		ops = &sony_backlight_ng_ops;
		sony_bl_props.cmd_base = 0x3000;
		sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;

2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586
	} 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;
2587 2588 2589
	sony_bl_props.dev = backlight_device_register("sony", NULL,
						      &sony_bl_props,
						      ops, &props);
2590

2591
	if (IS_ERR(sony_bl_props.dev)) {
2592
		pr_warn("unable to register backlight device\n");
2593
		sony_bl_props.dev = NULL;
2594
	} else
2595 2596
		sony_bl_props.dev->props.brightness =
			ops->get_brightness(sony_bl_props.dev);
2597 2598 2599 2600
}

static void sony_nc_backlight_cleanup(void)
{
2601 2602
	if (sony_bl_props.dev)
		backlight_device_unregister(sony_bl_props.dev);
2603 2604
}

2605
static int sony_nc_add(struct acpi_device *device)
2606 2607
{
	acpi_status status;
2608
	int result = 0;
2609
	acpi_handle handle;
2610
	struct sony_nc_value *item;
2611

2612
	pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2613

2614
	sony_nc_acpi_device = device;
2615
	strcpy(acpi_device_class(device), "sony/hotkey");
2616

2617
	sony_nc_acpi_handle = device->handle;
2618

2619 2620 2621 2622 2623 2624 2625 2626 2627
	/* 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;
	}

2628 2629 2630 2631
	result = sony_pf_add();
	if (result)
		goto outpresent;

2632
	if (debug) {
2633 2634 2635
		status = acpi_walk_namespace(ACPI_TYPE_METHOD,
				sony_nc_acpi_handle, 1, sony_walk_callback,
				NULL, NULL, NULL);
2636
		if (ACPI_FAILURE(status)) {
2637
			pr_warn("unable to walk acpi resources\n");
2638
			result = -ENODEV;
2639
			goto outpresent;
2640
		}
2641
	}
2642

2643 2644 2645 2646 2647 2648
	result = sony_laptop_setup_input(device);
	if (result) {
		pr_err("Unable to create input devices\n");
		goto outplatform;
	}

2649 2650
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
					 &handle))) {
2651 2652
		int arg = 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2653 2654 2655
			dprintk("ECON Method failed\n");
	}

2656 2657 2658
	if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
					 &handle))) {
		dprintk("Doing SNC setup\n");
2659
		/* retrieve the available handles */
2660
		result = sony_nc_handles_setup(sony_pf_device);
2661 2662
		if (!result)
			sony_nc_function_setup(device, sony_pf_device);
2663 2664
	}

2665
	/* setup input devices and helper fifo */
2666
	if (acpi_video_backlight_support()) {
2667
		pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2668 2669
	} else {
		sony_nc_backlight_setup();
2670
	}
2671

2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682
	/* 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))) {
2683 2684
				dprintk("Found %s getter: %s\n",
						item->name, *item->acpiget);
2685 2686 2687 2688 2689 2690 2691 2692 2693 2694
				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))) {
2695 2696
				dprintk("Found %s setter: %s\n",
						item->name, *item->acpiset);
2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710
				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;
		}
	}

2711 2712
	return 0;

2713
out_sysfs:
2714 2715 2716
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}
2717
	sony_nc_backlight_cleanup();
2718
	sony_nc_function_cleanup(sony_pf_device);
2719 2720
	sony_nc_handles_cleanup(sony_pf_device);

2721 2722 2723 2724
outplatform:
	sony_laptop_remove_input();

outpresent:
2725 2726
	sony_pf_remove();

2727
outwalk:
2728
	sony_nc_rfkill_cleanup();
2729 2730 2731
	return result;
}

2732
static int sony_nc_remove(struct acpi_device *device, int type)
2733
{
2734
	struct sony_nc_value *item;
2735

2736
	sony_nc_backlight_cleanup();
2737

2738
	sony_nc_acpi_device = NULL;
2739

2740 2741 2742 2743
	for (item = sony_nc_values; item->name; ++item) {
		device_remove_file(&sony_pf_device->dev, &item->devattr);
	}

2744
	sony_nc_function_cleanup(sony_pf_device);
2745
	sony_nc_handles_cleanup(sony_pf_device);
2746
	sony_pf_remove();
2747
	sony_laptop_remove_input();
2748
	dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2749 2750 2751 2752

	return 0;
}

2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764
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},
};

2765 2766 2767
static struct acpi_driver sony_nc_driver = {
	.name = SONY_NC_DRIVER_NAME,
	.class = SONY_NC_CLASS,
2768
	.ids = sony_nc_device_ids,
2769
	.owner = THIS_MODULE,
L
Len Brown 已提交
2770
	.ops = {
2771 2772 2773
		.add = sony_nc_add,
		.remove = sony_nc_remove,
		.resume = sony_nc_resume,
2774
		.notify = sony_nc_notify,
L
Len Brown 已提交
2775
		},
2776 2777
};

2778 2779 2780 2781 2782 2783
/*********** SPIC (SNY6001) Device ***********/

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

2784 2785 2786
#define SONYPI_TYPE1_OFFSET	0x04
#define SONYPI_TYPE2_OFFSET	0x12
#define SONYPI_TYPE3_OFFSET	0x12
2787 2788

struct sony_pic_ioport {
2789 2790
	struct acpi_resource_io	io1;
	struct acpi_resource_io	io2;
2791 2792 2793 2794 2795 2796 2797 2798
	struct list_head	list;
};

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

2799 2800 2801 2802 2803 2804
struct sonypi_eventtypes {
	u8			data;
	unsigned long		mask;
	struct sonypi_event	*events;
};

2805 2806 2807 2808 2809 2810 2811 2812 2813
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);
2814 2815
	int				model;
	u16				evport_offset;
2816 2817 2818
	u8				camera_power;
	u8				bluetooth_power;
	u8				wwan_power;
2819 2820 2821 2822 2823 2824 2825
};

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

2826 2827
static int spic_drv_registered;

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 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876
/* 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
2877
	{ 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913
	{ 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 },
2914
	{ 0x20, SONYPI_EVENT_PKEY_P1 },
2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927
	{ 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[] = {
2928 2929
	{ 0x59, SONYPI_EVENT_IGNORE },
	{ 0x5a, SONYPI_EVENT_IGNORE },
2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955
	{ 0, 0 }
};

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

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


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

/* The set of possible zoom events */
static struct sonypi_event sonypi_zoomev[] = {
	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
M
Mattia Dongili 已提交
2956 2957
	{ 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
	{ 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2958
	{ 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988
	{ 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 }
};

2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001
/* 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 }
};

3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038
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
3039 3040 3041
	{ 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3042 3043
	{ 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
	{ 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
M
Mattia Dongili 已提交
3044
	{ 0 },
3045 3046
};

M
Mattia Dongili 已提交
3047
/* low level spic calls */
3048 3049 3050 3051 3052 3053 3054 3055
#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",	\
3056
				__FILE__, __func__, __LINE__);	\
3057 3058 3059 3060 3061 3062
}

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

3063
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3064
			ITERATIONS_LONG);
3065 3066 3067
	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);
3068
	dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3069 3070 3071 3072 3073 3074 3075
	return v2;
}

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

3076
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3077
			ITERATIONS_LONG);
3078 3079
	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3080
			ITERATIONS_LONG);
3081 3082
	outb(fn, spic_dev.cur_ioport->io1.minimum);
	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3083
	dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3084 3085 3086
	return v1;
}

3087 3088 3089 3090
static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
{
	u8 v1;

3091 3092 3093 3094 3095 3096 3097
	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);
3098 3099
	dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
			dev, fn, v, v1);
3100 3101 3102
	return v1;
}

M
Mattia Dongili 已提交
3103 3104 3105
/*
 * minidrivers for SPIC models
 */
3106
static int type3_handle_irq(const u8 data_mask, const u8 ev)
M
Mattia Dongili 已提交
3107 3108 3109
{
	/*
	 * 0x31 could mean we have to take some extra action and wait for
3110
	 * the next irq for some Type3 models, it will generate a new
M
Mattia Dongili 已提交
3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131
	 * 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) {
3132 3133 3134
		dev->model = SONYPI_DEVICE_TYPE1;
		dev->evport_offset = SONYPI_TYPE1_OFFSET;
		dev->event_types = type1_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_ICH6_1, NULL);
	if (pcidev) {
3141 3142 3143
		dev->model = SONYPI_DEVICE_TYPE2;
		dev->evport_offset = SONYPI_TYPE2_OFFSET;
		dev->event_types = type2_events;
M
Mattia Dongili 已提交
3144 3145 3146 3147 3148 3149
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
	if (pcidev) {
3150 3151 3152 3153
		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
3154 3155 3156 3157 3158 3159
		goto out;
	}

	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
	if (pcidev) {
3160 3161 3162 3163
		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
3164 3165 3166
		goto out;
	}

3167 3168 3169
	pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
			PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
	if (pcidev) {
3170 3171 3172 3173
		dev->model = SONYPI_DEVICE_TYPE3;
		dev->handle_irq = type3_handle_irq;
		dev->evport_offset = SONYPI_TYPE3_OFFSET;
		dev->event_types = type3_events;
3174 3175 3176
		goto out;
	}

M
Mattia Dongili 已提交
3177
	/* default */
3178 3179 3180
	dev->model = SONYPI_DEVICE_TYPE2;
	dev->evport_offset = SONYPI_TYPE2_OFFSET;
	dev->event_types = type2_events;
M
Mattia Dongili 已提交
3181 3182 3183 3184 3185

out:
	if (pcidev)
		pci_dev_put(pcidev);

3186 3187 3188
	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
3189 3190
}

3191 3192 3193
/* camera tests and poweron/poweroff */
#define SONYPI_CAMERA_PICTURE		5
#define SONYPI_CAMERA_CONTROL		0x10
3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221

#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
3222

3223
static int __sony_pic_camera_ready(void)
3224 3225 3226 3227 3228 3229 3230
{
	u8 v;

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

3231
static int __sony_pic_camera_off(void)
3232
{
3233
	if (!camera) {
3234
		pr_warn("camera control not enabled\n");
3235 3236 3237
		return -ENODEV;
	}

3238 3239 3240 3241
	wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
				SONYPI_CAMERA_MUTE_MASK),
			ITERATIONS_SHORT);

3242 3243 3244 3245 3246
	if (spic_dev.camera_power) {
		sony_pic_call2(0x91, 0);
		spic_dev.camera_power = 0;
	}
	return 0;
3247 3248
}

3249
static int __sony_pic_camera_on(void)
3250
{
3251 3252 3253
	int i, j, x;

	if (!camera) {
3254
		pr_warn("camera control not enabled\n");
3255 3256
		return -ENODEV;
	}
3257 3258

	if (spic_dev.camera_power)
3259
		return 0;
3260 3261 3262

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

3263
		for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3264 3265 3266 3267
			msleep(10);
		sony_pic_call1(0x93);

		for (i = 400; i > 0; i--) {
3268
			if (__sony_pic_camera_ready())
3269 3270 3271 3272 3273 3274 3275 3276
				break;
			msleep(10);
		}
		if (i)
			break;
	}

	if (j == 0) {
3277
		pr_warn("failed to power on camera\n");
3278
		return -ENODEV;
3279 3280 3281 3282 3283 3284 3285
	}

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

	spic_dev.camera_power = 1;
3286
	return 0;
3287 3288
}

3289 3290 3291 3292 3293 3294 3295 3296 3297
/* 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) {
3298
	case SONY_PIC_COMMAND_SETCAMERA:
3299 3300 3301 3302 3303
		if (value)
			__sony_pic_camera_on();
		else
			__sony_pic_camera_off();
		break;
3304
	case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3305 3306 3307
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
				ITERATIONS_SHORT);
		break;
3308
	case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3309 3310 3311
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
				ITERATIONS_SHORT);
		break;
3312
	case SONY_PIC_COMMAND_SETCAMERAHUE:
3313 3314 3315
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
				ITERATIONS_SHORT);
		break;
3316
	case SONY_PIC_COMMAND_SETCAMERACOLOR:
3317 3318 3319
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
				ITERATIONS_SHORT);
		break;
3320
	case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3321 3322 3323
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
				ITERATIONS_SHORT);
		break;
3324
	case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3325 3326 3327
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
				ITERATIONS_SHORT);
		break;
3328
	case SONY_PIC_COMMAND_SETCAMERAAGC:
3329 3330 3331 3332
		wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
				ITERATIONS_SHORT);
		break;
	default:
3333
		pr_err("sony_pic_camera_command invalid: %d\n", command);
3334 3335 3336 3337 3338 3339 3340
		break;
	}
	mutex_unlock(&spic_dev.lock);
	return 0;
}
EXPORT_SYMBOL(sony_pic_camera_command);

3341
/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3342
static void __sony_pic_set_wwanpower(u8 state)
3343 3344
{
	state = !!state;
3345
	if (spic_dev.wwan_power == state)
3346 3347
		return;
	sony_pic_call2(0xB0, state);
3348
	sony_pic_call1(0x82);
3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359
	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;

3360 3361 3362
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3363 3364 3365
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_wwanpower(value);
	mutex_unlock(&spic_dev.lock);
3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379

	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;
}

3380
/* bluetooth subsystem power state */
3381
static void __sony_pic_set_bluetoothpower(u8 state)
3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398
{
	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;

3399 3400 3401
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3402 3403 3404
	mutex_lock(&spic_dev.lock);
	__sony_pic_set_bluetoothpower(value);
	mutex_unlock(&spic_dev.lock);
3405 3406 3407 3408 3409 3410 3411

	return count;
}

static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
3412 3413 3414 3415 3416
	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;
3417 3418 3419 3420 3421
}

/* fan speed */
/* FAN0 information (reverse engineered from ACPI tables) */
#define SONY_PIC_FAN0_STATUS	0x93
3422 3423 3424 3425 3426 3427 3428 3429 3430 3431
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);
}

3432 3433 3434 3435 3436 3437 3438 3439
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;

3440 3441 3442
	if (kstrtoul(buffer, 10, &value))
		return -EINVAL;

3443
	if (sony_pic_set_fanspeed(value))
3444 3445 3446 3447 3448 3449 3450 3451 3452
		return -EIO;

	return count;
}

static ssize_t sony_pic_fanspeed_show(struct device *dev,
		struct device_attribute *attr, char *buffer)
{
	u8 value = 0;
3453
	if (sony_pic_get_fanspeed(&value))
3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464
		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);
3465
static SPIC_ATTR(wwanpower, 0644);
3466 3467 3468 3469
static SPIC_ATTR(fanspeed, 0644);

static struct attribute *spic_attributes[] = {
	&spic_attr_bluetoothpower.attr,
3470
	&spic_attr_wwanpower.attr,
3471 3472 3473 3474 3475 3476 3477 3478
	&spic_attr_fanspeed.attr,
	NULL
};

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

3479
/******** SONYPI compatibility **********/
3480
#ifdef CONFIG_SONYPI_COMPAT
3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498

/* 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;
3499
	struct kfifo		fifo;
3500 3501 3502 3503 3504 3505 3506 3507 3508 3509
	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)
{
3510
	return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521
}

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
3522 3523
	unsigned long flags;

3524
	spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3525

3526
	if (atomic_inc_return(&sonypi_compat.open_count) == 1)
S
Stefani Seibold 已提交
3527
		kfifo_reset(&sonypi_compat.fifo);
A
Alessio Igor Bogani 已提交
3528

3529
	spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
A
Alessio Igor Bogani 已提交
3530

3531 3532 3533 3534 3535 3536 3537 3538 3539
	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;

3540
	if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3541 3542 3543 3544
	    (file->f_flags & O_NONBLOCK))
		return -EAGAIN;

	ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3545
				       kfifo_len(&sonypi_compat.fifo) != 0);
3546 3547 3548 3549
	if (ret)
		return ret;

	while (ret < count &&
3550
	       (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
S
Stefani Seibold 已提交
3551
			  &sonypi_compat.fifo_lock) == sizeof(c))) {
3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567
		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);
3568
	if (kfifo_len(&sonypi_compat.fifo))
3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583
		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
3584 3585
static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
							unsigned long arg)
3586 3587 3588 3589 3590 3591 3592
{
	int ret = 0;
	void __user *argp = (void __user *)arg;
	u8 val8;
	u16 val16;
	int value;

3593
	mutex_lock(&spic_dev.lock);
3594 3595
	switch (cmd) {
	case SONYPI_IOCGBRT:
3596
		if (sony_bl_props.dev == NULL) {
3597 3598 3599
			ret = -EIO;
			break;
		}
3600 3601
		if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
					&value)) {
3602 3603 3604 3605 3606 3607 3608 3609
			ret = -EIO;
			break;
		}
		val8 = ((value & 0xff) - 1) << 5;
		if (copy_to_user(argp, &val8, sizeof(val8)))
				ret = -EFAULT;
		break;
	case SONYPI_IOCSBRT:
3610
		if (sony_bl_props.dev == NULL) {
3611 3612 3613 3614 3615 3616 3617
			ret = -EIO;
			break;
		}
		if (copy_from_user(&val8, argp, sizeof(val8))) {
			ret = -EFAULT;
			break;
		}
3618 3619 3620
		value = (val8 >> 5) + 1;
		if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
					NULL)) {
3621 3622 3623 3624
			ret = -EIO;
			break;
		}
		/* sync the backlight device status */
3625 3626
		sony_bl_props.dev->props.brightness =
		    sony_backlight_get_brightness(sony_bl_props.dev);
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 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678
		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;
		}
3679
		__sony_pic_set_bluetoothpower(val8);
3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709
		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;
	}
3710
	mutex_unlock(&spic_dev.lock);
3711 3712 3713 3714 3715 3716 3717 3718 3719 3720
	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
3721
	.unlocked_ioctl	= sonypi_misc_ioctl,
3722
	.llseek		= noop_llseek,
3723 3724 3725 3726 3727 3728 3729 3730 3731 3732
};

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

static void sonypi_compat_report_event(u8 event)
{
3733
	kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
S
Stefani Seibold 已提交
3734
			sizeof(event), &sonypi_compat.fifo_lock);
3735 3736 3737 3738 3739 3740 3741 3742 3743
	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);
3744
	error =
S
Stefani Seibold 已提交
3745
	 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3746
	if (error) {
3747
		pr_err("kfifo_alloc failed\n");
3748
		return error;
3749 3750 3751 3752 3753 3754 3755 3756
	}

	init_waitqueue_head(&sonypi_compat.fifo_proc_list);

	if (minor != -1)
		sonypi_misc_device.minor = minor;
	error = misc_register(&sonypi_misc_device);
	if (error) {
3757
		pr_err("misc_register failed\n");
3758 3759 3760
		goto err_free_kfifo;
	}
	if (minor == -1)
3761 3762
		pr_info("device allocated minor is %d\n",
			sonypi_misc_device.minor);
3763 3764 3765 3766

	return 0;

err_free_kfifo:
3767
	kfifo_free(&sonypi_compat.fifo);
3768 3769 3770 3771 3772 3773
	return error;
}

static void sonypi_compat_exit(void)
{
	misc_deregister(&sonypi_misc_device);
3774
	kfifo_free(&sonypi_compat.fifo);
3775 3776 3777 3778 3779
}
#else
static int sonypi_compat_init(void) { return 0; }
static void sonypi_compat_exit(void) { }
static void sonypi_compat_report_event(u8 event) { }
3780
#endif /* CONFIG_SONYPI_COMPAT */
3781

3782
/*
3783
 * ACPI callbacks
3784
 */
3785 3786 3787 3788 3789 3790 3791 3792
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:
3793 3794 3795 3796 3797 3798 3799 3800 3801 3802
		{
			/* 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;
		}

3803
	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3804
		/* end IO enumeration */
3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820
		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]) {
3821 3822
					pr_warn("Invalid IRQ %d\n",
						p->interrupts[i]);
3823 3824 3825 3826 3827 3828 3829
					continue;
				}
				interrupt = kzalloc(sizeof(*interrupt),
						GFP_KERNEL);
				if (!interrupt)
					return AE_ERROR;

3830
				list_add(&interrupt->list, &dev->interrupts);
3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841
				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;
3842 3843
			struct sony_pic_ioport *ioport =
				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3844 3845 3846 3847 3848
			if (!io) {
				dprintk("Blank IO resource\n");
				return AE_OK;
			}

3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859
			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 {
3860
				pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3861
				return AE_ERROR;
3862
			}
3863 3864 3865 3866
			return AE_OK;
		}
	default:
		dprintk("Resource %d isn't an IRQ nor an IO port\n",
3867
			resource->type);
3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887

	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) {
3888
		pr_warn("Unable to read status\n");
3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903
		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)) {
3904
		pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915
		result = -ENODEV;
	}
end:
	return result;
}

/*
 *  Disable the spic device by calling its _DIS method
 */
static int sony_pic_disable(struct acpi_device *device)
{
3916 3917 3918 3919
	acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
					       NULL);

	if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936
		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;
3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947
	/* Type 1 resource layout is:
	 *    IO
	 *    IO
	 *    IRQNoFlags
	 *    End
	 *
	 * Type 2 and 3 resource layout is:
	 *    IO
	 *    IRQNoFlags
	 *    End
	 */
3948
	struct {
3949 3950 3951 3952
		struct acpi_resource res1;
		struct acpi_resource res2;
		struct acpi_resource res3;
		struct acpi_resource res4;
3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966
	} *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;

3967
	/* setup Type 1 resources */
3968
	if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3969

3970 3971 3972 3973 3974
		/* 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));
3975

3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009
		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;
	}
4010 4011 4012 4013 4014 4015 4016

	/* 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)) {
4017
		pr_err("Error evaluating _SRS\n");
4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045
		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;

4046 4047 4048 4049
	ev = inb_p(dev->cur_ioport->io1.minimum);
	if (dev->cur_ioport->io2.minimum)
		data_mask = inb_p(dev->cur_ioport->io2.minimum);
	else
4050
		data_mask = inb_p(dev->cur_ioport->io1.minimum +
4051
				dev->evport_offset);
4052

4053
	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4054
			ev, data_mask, dev->cur_ioport->io1.minimum,
4055
			dev->evport_offset);
4056 4057 4058 4059

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

4060
	for (i = 0; dev->event_types[i].mask; i++) {
4061

4062 4063
		if ((data_mask & dev->event_types[i].data) !=
		    dev->event_types[i].data)
4064 4065
			continue;

4066
		if (!(mask & dev->event_types[i].mask))
4067 4068
			continue;

4069 4070
		for (j = 0; dev->event_types[i].events[j].event; j++) {
			if (ev == dev->event_types[i].events[j].data) {
4071
				device_event =
4072
					dev->event_types[i].events[j].event;
4073 4074 4075
				/* some events may require ignoring */
				if (!device_event)
					return IRQ_HANDLED;
4076 4077 4078 4079
				goto found;
			}
		}
	}
M
Mattia Dongili 已提交
4080 4081 4082
	/* Still not able to decode the event try to pass
	 * it over to the minidriver
	 */
4083
	if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
M
Mattia Dongili 已提交
4084 4085
		return IRQ_HANDLED;

4086 4087
	dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
			ev, data_mask, dev->cur_ioport->io1.minimum,
4088
			dev->evport_offset);
4089 4090 4091
	return IRQ_HANDLED;

found:
4092
	sony_laptop_report_input_event(device_event);
4093
	acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4094
	sonypi_compat_report_event(device_event);
4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108
	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)) {
4109
		pr_err("Couldn't disable device\n");
4110 4111 4112 4113
		return -ENXIO;
	}

	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4114 4115 4116 4117 4118
	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);
4119

4120 4121
	sonypi_compat_exit();

4122
	sony_laptop_remove_input();
4123

4124 4125 4126 4127
	/* pf attrs */
	sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
	sony_pf_remove();

4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138
	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;

4139
	dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4140 4141 4142 4143 4144 4145 4146 4147 4148
	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;

4149
	pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4150 4151 4152

	spic_dev.acpi_dev = device;
	strcpy(acpi_device_class(device), "sony/hotkey");
4153
	sony_pic_detect_device_type(&spic_dev);
4154
	mutex_init(&spic_dev.lock);
4155 4156 4157 4158

	/* read _PRS resources */
	result = sony_pic_possible_resources(device);
	if (result) {
4159
		pr_err("Unable to read possible resources\n");
4160 4161 4162 4163
		goto err_free_resources;
	}

	/* setup input devices and helper fifo */
4164
	result = sony_laptop_setup_input(device);
4165
	if (result) {
4166
		pr_err("Unable to create input devices\n");
4167 4168 4169
		goto err_free_resources;
	}

4170 4171 4172
	if (sonypi_compat_init())
		goto err_remove_input;

4173
	/* request io port */
4174 4175
	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
		if (request_region(io->io1.minimum, io->io1.address_length,
4176
					"Sony Programmable I/O Device")) {
4177 4178 4179 4180 4181 4182 4183
			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,
4184
						"Sony Programmable I/O Device")) {
4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203
					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;
			}
4204 4205 4206
		}
	}
	if (!spic_dev.cur_ioport) {
4207
		pr_err("Failed to request_region\n");
4208
		result = -ENODEV;
4209
		goto err_remove_compat;
4210 4211 4212
	}

	/* request IRQ */
4213
	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4214
		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
Y
Yong Zhang 已提交
4215
					0, "sony-laptop", &spic_dev)) {
4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226
			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) {
4227
		pr_err("Failed to request_irq\n");
4228 4229 4230 4231 4232 4233 4234
		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) {
4235
		pr_err("Couldn't enable device\n");
4236 4237 4238
		goto err_free_irq;
	}

4239 4240 4241 4242 4243 4244 4245 4246 4247 4248
	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;

4249 4250
	return 0;

4251 4252 4253 4254 4255 4256
err_remove_pf:
	sony_pf_remove();

err_disable_device:
	sony_pic_disable(device);

4257 4258 4259 4260
err_free_irq:
	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);

err_release_region:
4261 4262 4263 4264 4265
	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);
4266

4267 4268 4269
err_remove_compat:
	sonypi_compat_exit();

4270
err_remove_input:
4271
	sony_laptop_remove_input();
4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300

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;
}

4301 4302 4303 4304 4305
static const struct acpi_device_id sony_pic_device_ids[] = {
	{SONY_PIC_HID, 0},
	{"", 0},
};

4306 4307 4308
static struct acpi_driver sony_pic_driver = {
	.name = SONY_PIC_DRIVER_NAME,
	.class = SONY_PIC_CLASS,
4309
	.ids = sony_pic_device_ids,
4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336
	.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-"),
		},
	},
	{ }
};

4337
static int __init sony_laptop_init(void)
4338
{
4339 4340 4341 4342 4343
	int result;

	if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
		result = acpi_bus_register_driver(&sony_pic_driver);
		if (result) {
4344
			pr_err("Unable to register SPIC driver\n");
4345 4346
			goto out;
		}
4347
		spic_drv_registered = 1;
4348 4349 4350 4351
	}

	result = acpi_bus_register_driver(&sony_nc_driver);
	if (result) {
4352
		pr_err("Unable to register SNC driver\n");
4353 4354 4355 4356 4357 4358
		goto out_unregister_pic;
	}

	return 0;

out_unregister_pic:
4359
	if (spic_drv_registered)
4360 4361 4362
		acpi_bus_unregister_driver(&sony_pic_driver);
out:
	return result;
4363 4364
}

4365
static void __exit sony_laptop_exit(void)
4366
{
4367
	acpi_bus_unregister_driver(&sony_nc_driver);
4368
	if (spic_drv_registered)
4369
		acpi_bus_unregister_driver(&sony_pic_driver);
4370 4371
}

4372 4373
module_init(sony_laptop_init);
module_exit(sony_laptop_exit);