cregit-Linux how code gets into the kernel

Release 4.14 drivers/char/sonypi.c

Directory: drivers/char
/*
 * Sony Programmable I/O Control Device driver for VAIO
 *
 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
 *
 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
 *
 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
 *
 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
 *
 * 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.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <linux/module.h>
#include <linux/sched.h>
#include <linux/input.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/miscdevice.h>
#include <linux/poll.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/err.h>
#include <linux/kfifo.h>
#include <linux/platform_device.h>
#include <linux/gfp.h>

#include <linux/uaccess.h>
#include <asm/io.h>

#include <linux/sonypi.h>


#define SONYPI_DRIVER_VERSION	 "1.26"

MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
MODULE_LICENSE("GPL");

MODULE_VERSION(SONYPI_DRIVER_VERSION);


static int minor = -1;
module_param(minor, int, 0);
MODULE_PARM_DESC(minor,
		 "minor number of the misc device, default is -1 (automatic)");


static int verbose;		
/* = 0 */
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");


static int fnkeyinit;		
/* = 0 */
module_param(fnkeyinit, int, 0444);
MODULE_PARM_DESC(fnkeyinit,
		 "set this if your Fn keys do not generate any event");


static int camera;		
/* = 0 */
module_param(camera, int, 0444);
MODULE_PARM_DESC(camera,
		 "set this if you have a MotionEye camera (PictureBook series)");


static int compat;		
/* = 0 */
module_param(compat, int, 0444);
MODULE_PARM_DESC(compat,
		 "set this if you want to enable backward compatibility mode");


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)");


static int useinput = 1;
module_param(useinput, int, 0444);
MODULE_PARM_DESC(useinput,
		 "set this if you would like sonypi to feed events to the input subsystem");


static int check_ioport = 1;
module_param(check_ioport, int, 0444);
MODULE_PARM_DESC(check_ioport,
		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");


#define SONYPI_DEVICE_MODEL_TYPE1	1

#define SONYPI_DEVICE_MODEL_TYPE2	2

#define SONYPI_DEVICE_MODEL_TYPE3	3

/* type1 models use those */

#define SONYPI_IRQ_PORT			0x8034

#define SONYPI_IRQ_SHIFT		22

#define SONYPI_TYPE1_BASE		0x50

#define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)

#define SONYPI_TYPE1_REGION_SIZE	0x08

#define SONYPI_TYPE1_EVTYPE_OFFSET	0x04

/* type2 series specifics */

#define SONYPI_SIRQ			0x9b

#define SONYPI_SLOB			0x9c

#define SONYPI_SHIB			0x9d

#define SONYPI_TYPE2_REGION_SIZE	0x20

#define SONYPI_TYPE2_EVTYPE_OFFSET	0x12

/* type3 series specifics */

#define SONYPI_TYPE3_BASE		0x40

#define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) 
/* 16 bits */

#define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) 
/* 8 bits  */

#define SONYPI_TYPE3_REGION_SIZE	0x20

#define SONYPI_TYPE3_EVTYPE_OFFSET	0x12

/* battery / brightness 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

/* FAN0 information (reverse engineered from ACPI tables) */

#define SONYPI_FAN0_STATUS	0x93

#define SONYPI_TEMP_STATUS	0xC1

/* ioports used for brightness and type2 events */

#define SONYPI_DATA_IOPORT	0x62

#define SONYPI_CST_IOPORT	0x66

/* The set of possible ioports */

struct sonypi_ioport_list {
	
u16	port1;
	
u16	port2;
};


static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
	{ 0x1080, 0x1084 },
	{ 0x1090, 0x1094 },
	{ 0x10a0, 0x10a4 },
	{ 0x10b0, 0x10b4 },
	{ 0x0, 0x0 }
};


static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
	{ 0x1080, 0x1084 },
	{ 0x10a0, 0x10a4 },
	{ 0x10c0, 0x10c4 },
	{ 0x10e0, 0x10e4 },
	{ 0x0, 0x0 }
};

/* same as in type 2 models */

static struct sonypi_ioport_list *sonypi_type3_ioport_list =
	sonypi_type2_ioport_list;

/* The set of possible interrupts */

struct sonypi_irq_list {
	
u16	irq;
	
u16	bits;
};


static struct sonypi_irq_list sonypi_type1_irq_list[] = {
	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
};


static struct sonypi_irq_list sonypi_type2_irq_list[] = {
	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
};

/* same as in type2 models */

static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;


#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_PICTURE			5

#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

/* 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 },
	{ 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 },
	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
	{ 0, 0 }
};

/* The set of possible bluetooth events */

static struct sonypi_event sonypi_blueev[] = {
	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
	{ 0, 0 }
};

/* The set of possible wireless events */

static struct sonypi_event sonypi_wlessev[] = {
	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
	{ 0, 0 }
};

/* The set of possible back button events */

static struct sonypi_event sonypi_backev[] = {
	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
	{ 0, 0 }
};

/* The set of possible help button events */

static struct sonypi_event sonypi_helpev[] = {
	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
	{ 0, 0 }
};


/* The set of possible lid events */

static struct sonypi_event sonypi_lidev[] = {
	{ 0x51, SONYPI_EVENT_LID_CLOSED },
	{ 0x50, SONYPI_EVENT_LID_OPENED },
	{ 0, 0 }
};

/* The set of possible zoom events */

static struct sonypi_event sonypi_zoomev[] = {
	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
	{ 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 }
};


static struct sonypi_eventtypes {
	
int			model;
	
u8			data;
	
unsigned long		mask;
	
struct sonypi_event *	events;

} sonypi_eventtypes[] = {
	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },

	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },

	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
	{ 0 }
};


#define SONYPI_BUF_SIZE	128

/* Correspondance table between sonypi events and input layer events */
static struct {
	
int sonypiev;
	
int inputev;

} sonypi_inputkeys[] = {
	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
	{ 0, 0 },
};


struct sonypi_keypress {
	
struct input_dev *dev;
	
int key;
};


static struct sonypi_device {
	
struct pci_dev *dev;
	
u16 irq;
	
u16 bits;
	
u16 ioport1;
	
u16 ioport2;
	
u16 region_size;
	
u16 evtype_offset;
	
int camera_power;
	
int bluetooth_power;
	
struct mutex lock;
	
struct kfifo fifo;
	
spinlock_t fifo_lock;
	
wait_queue_head_t fifo_proc_list;
	
struct fasync_struct *fifo_async;
	
int open_count;
	
int model;
	
struct input_dev *input_jog_dev;
	
struct input_dev *input_key_dev;
	
struct work_struct input_work;
	
struct kfifo input_fifo;
	
spinlock_t input_fifo_lock;

} sonypi_device;


#define ITERATIONS_LONG		10000

#define ITERATIONS_SHORT	10


#define wait_on_command(quiet, command, iterations) { \
        unsigned int n = iterations; \
        while (--n && (command)) \
                udelay(1); \
        if (!n && (verbose || !quiet)) \
                printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
}

#ifdef CONFIG_ACPI

#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
#else

#define SONYPI_ACPI_ACTIVE 0
#endif				/* CONFIG_ACPI */

#ifdef CONFIG_ACPI

static struct acpi_device *sonypi_acpi_device;

static int acpi_driver_registered;
#endif


static int sonypi_ec_write(u8 addr, u8 value) { #ifdef CONFIG_ACPI if (SONYPI_ACPI_ACTIVE) return ec_write(addr, value); #endif wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); outb_p(0x81, SONYPI_CST_IOPORT); wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); outb_p(addr, SONYPI_DATA_IOPORT); wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); outb_p(value, SONYPI_DATA_IOPORT); wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop10495.41%133.33%
Linus Torvalds43.67%133.33%
Björn Helgaas10.92%133.33%
Total109100.00%3100.00%


static int sonypi_ec_read(u8 addr, u8 *value) { #ifdef CONFIG_ACPI if (SONYPI_ACPI_ACTIVE) return ec_read(addr, value); #endif wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); outb_p(0x80, SONYPI_CST_IOPORT); wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); outb_p(addr, SONYPI_DATA_IOPORT); wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); *value = inb_p(SONYPI_DATA_IOPORT); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop9698.97%150.00%
Björn Helgaas11.03%150.00%
Total97100.00%2100.00%


static int ec_read16(u8 addr, u16 *value) { u8 val_lb, val_hb; if (sonypi_ec_read(addr, &val_lb)) return -1; if (sonypi_ec_read(addr + 1, &val_hb)) return -1; *value = val_lb | (val_hb << 8); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop3454.84%240.00%
Linus Torvalds2032.26%240.00%
Dave Jones812.90%120.00%
Total62100.00%5100.00%

/* Initializes the device - this comes from the AML code in the ACPI bios */
static void sonypi_type1_srs(void) { u32 v; pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1); pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); v = (v & 0xFFF0FFFF) | (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16); pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); v = inl(SONYPI_IRQ_PORT); v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT); v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT); outl(v, SONYPI_IRQ_PORT); pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); v = (v & 0xFF1FFFFF) | 0x00C00000; pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds175100.00%2100.00%
Total175100.00%2100.00%


static void sonypi_type2_srs(void) { if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8)) printk(KERN_WARNING "ec_write failed\n"); if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF)) printk(KERN_WARNING "ec_write failed\n"); if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits)) printk(KERN_WARNING "ec_write failed\n"); udelay(10); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds4562.50%250.00%
Stelian Pop2737.50%250.00%
Total72100.00%4100.00%


static void sonypi_type3_srs(void) { u16 v16; u8 v8; /* This model type uses the same initialization of * the embedded controller as the type2 models. */ sonypi_type2_srs(); /* Initialization of PCI config space of the LPC interface bridge. */ v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01; pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16); pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8); v8 = (v8 & 0xCF) | 0x10; pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8); }

Contributors

PersonTokensPropCommitsCommitProp
Erik Waling7498.67%150.00%
Masahiro Yamada11.33%150.00%
Total75100.00%2100.00%

/* Disables the device - this comes from the AML code in the ACPI bios */
static void sonypi_type1_dis(void) { u32 v; pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); v = v & 0xFF3FFFFF; pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); v = inl(SONYPI_IRQ_PORT); v |= (0x3 << SONYPI_IRQ_SHIFT); outl(v, SONYPI_IRQ_PORT); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds62100.00%2100.00%
Total62100.00%2100.00%


static void sonypi_type2_dis(void) { if (sonypi_ec_write(SONYPI_SHIB, 0)) printk(KERN_WARNING "ec_write failed\n"); if (sonypi_ec_write(SONYPI_SLOB, 0)) printk(KERN_WARNING "ec_write failed\n"); if (sonypi_ec_write(SONYPI_SIRQ, 0)) printk(KERN_WARNING "ec_write failed\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop2750.94%250.00%
Linus Torvalds2649.06%250.00%
Total53100.00%4100.00%


static void sonypi_type3_dis(void) { sonypi_type2_dis(); udelay(10); pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0); }

Contributors

PersonTokensPropCommitsCommitProp
Erik Waling27100.00%1100.00%
Total27100.00%1100.00%


static u8 sonypi_call1(u8 dev) { u8 v1, v2; wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); outb(dev, sonypi_device.ioport2); v1 = inb_p(sonypi_device.ioport2); v2 = inb_p(sonypi_device.ioport1); return v2; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds5896.67%375.00%
Stelian Pop23.33%125.00%
Total60100.00%4100.00%


static u8 sonypi_call2(u8 dev, u8 fn) { u8 v1; wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); outb(dev, sonypi_device.ioport2); wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); outb(fn, sonypi_device.ioport1); v1 = inb_p(sonypi_device.ioport1); return v1; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds7394.81%375.00%
Stelian Pop45.19%125.00%
Total77100.00%4100.00%


static u8 sonypi_call3(u8 dev, u8 fn, u8 v) { u8 v1; wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); outb(dev, sonypi_device.ioport2); wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); outb(fn, sonypi_device.ioport1); wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); outb(v, sonypi_device.ioport1); v1 = inb_p(sonypi_device.ioport1); return v1; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds9994.29%375.00%
Stelian Pop65.71%125.00%
Total105100.00%4100.00%

#if 0 /* Get brightness, hue etc. Unreliable... */ static u8 sonypi_read(u8 fn) { u8 v1, v2; int n = 100; while (n--) { v1 = sonypi_call2(0x8f, fn); v2 = sonypi_call2(0x8f, fn); if (v1 == v2 && v1 != 0xff) return v1; } return 0xff; } #endif /* Set brightness, hue etc */
static void sonypi_set(u8 fn, u8 v) { wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds2692.86%375.00%
Stelian Pop27.14%125.00%
Total28100.00%4100.00%

/* Tests if the camera is ready */
static int sonypi_camera_ready(void) { u8 v; v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS); return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds33100.00%1100.00%
Total33100.00%1100.00%

/* Turns the camera off */
static void sonypi_camera_off(void) { sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK); if (!sonypi_device.camera_power) return; sonypi_call2(0x91, 0); sonypi_device.camera_power = 0; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds36100.00%1100.00%
Total36100.00%1100.00%

/* Turns the camera on */
static void sonypi_camera_on(void) { int i, j; if (sonypi_device.camera_power) return; for (j = 5; j > 0; j--) { while (sonypi_call2(0x91, 0x1)) msleep(10); sonypi_call1(0x93); for (i = 400; i > 0; i--) { if (sonypi_camera_ready()) break; msleep(10); } if (i) break; } if (j == 0) { printk(KERN_WARNING "sonypi: failed to power on camera\n"); return; } sonypi_set(0x10, 0x5a); sonypi_device.camera_power = 1; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds10996.46%150.00%
Stelian Pop43.54%150.00%
Total113100.00%2100.00%

/* sets the bluetooth subsystem power state */
static void sonypi_setbluetoothpower(u8 state) { state = !!state; if (sonypi_device.bluetooth_power == state) return; sonypi_call2(0x96, state); sonypi_call1(0x82); sonypi_device.bluetooth_power = state; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Jones3890.48%150.00%
Stelian Pop49.52%150.00%
Total42100.00%2100.00%


static void input_keyrelease(struct work_struct *work) { struct sonypi_keypress kp; while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp, sizeof(kp), &sonypi_device.input_fifo_lock) == sizeof(kp)) { msleep(10); input_report_key(kp.dev, kp.key, 0); input_sync(kp.dev); } }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop3850.67%116.67%
Dmitry Torokhov2736.00%116.67%
Stefani Seibold79.33%350.00%
David Howells34.00%116.67%
Total75100.00%6100.00%


static void sonypi_report_input_event(u8 event) { struct input_dev *jog_dev = sonypi_device.input_jog_dev; struct input_dev *key_dev = sonypi_device.input_key_dev; struct sonypi_keypress kp = { NULL }; int i; switch (event) { case SONYPI_EVENT_JOGDIAL_UP: case SONYPI_EVENT_JOGDIAL_UP_PRESSED: input_report_rel(jog_dev, REL_WHEEL, 1); input_sync(jog_dev); break; case SONYPI_EVENT_JOGDIAL_DOWN: case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: input_report_rel(jog_dev, REL_WHEEL, -1); input_sync(jog_dev); break; case SONYPI_EVENT_JOGDIAL_PRESSED: kp.key = BTN_MIDDLE; kp.dev = jog_dev; break; case SONYPI_EVENT_FNKEY_RELEASED: /* Nothing, not all VAIOs generate this event */ break; default: for (i = 0; sonypi_inputkeys[i].sonypiev; i++) if (event == sonypi_inputkeys[i].sonypiev) { kp.dev = key_dev; kp.key = sonypi_inputkeys[i].inputev; break; } break; } if (kp.dev) { input_report_key(kp.dev, kp.key, 1); input_sync(kp.dev); kfifo_in_locked(&sonypi_device.input_fifo, (unsigned char *)&kp, sizeof(kp), &sonypi_device.input_fifo_lock); schedule_work(&sonypi_device.input_work); } }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov19388.13%120.00%
Stelian Pop198.68%120.00%
Stefani Seibold73.20%360.00%
Total219100.00%5100.00%

/* Interrupt handler: some event is available */
static irqreturn_t sonypi_irq(int irq, void *dev_id) { u8 v1, v2, event = 0; int i, j; v1 = inb_p(sonypi_device.ioport1); v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset); for (i = 0; sonypi_eventtypes[i].model; i++) { if (sonypi_device.model != sonypi_eventtypes[i].model) continue; if ((v2 & sonypi_eventtypes[i].data) != sonypi_eventtypes[i].data) continue; if (!(mask & sonypi_eventtypes[i].mask)) continue; for (j = 0; sonypi_eventtypes[i].events[j].event; j++) { if (v1 == sonypi_eventtypes[i].events[j].data) { event = sonypi_eventtypes[i].events[j].event; goto found; } } } if (verbose) printk(KERN_WARNING "sonypi: unknown event port1=0x%02x,port2=0x%02x\n", v1, v2); /* We need to return IRQ_HANDLED here because there *are* * events belonging to the sonypi device we don't know about, * but we still don't want those to pollute the logs... */ return IRQ_HANDLED; found: if (verbose > 1) printk(KERN_INFO "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2); if (useinput) sonypi_report_input_event(event); kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event, sizeof(event), &sonypi_device.fifo_lock); kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); wake_up_interruptible(&sonypi_device.fifo_proc_list); return IRQ_HANDLED; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds14654.28%318.75%
Stelian Pop10940.52%637.50%
Stefani Seibold72.60%318.75%
Andrew Morton41.49%16.25%
Dave Jones20.74%212.50%
Dmitry Torokhov10.37%16.25%
Total269100.00%16100.00%


static int sonypi_misc_fasync(int fd, struct file *filp, int on) { return fasync_helper(fd, filp, on, &sonypi_device.fifo_async); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds3093.75%133.33%
Stelian Pop13.12%133.33%
Jonathan Corbet13.12%133.33%
Total32100.00%3100.00%


static int sonypi_misc_release(struct inode *inode, struct file *file) { mutex_lock(&sonypi_device.lock); sonypi_device.open_count--; mutex_unlock(&sonypi_device.lock); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds3895.00%150.00%
Matthias Kaehlcke25.00%150.00%
Total40100.00%2100.00%


static int sonypi_misc_open(struct inode *inode, struct file *file) { mutex_lock(&sonypi_device.lock); /* Flush input queue on first open */ if (!sonypi_device.open_count) kfifo_reset(&sonypi_device.fifo); sonypi_device.open_count++; mutex_unlock(&sonypi_device.lock); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds4478.57%120.00%
Stelian Pop610.71%120.00%
Dave Jones35.36%120.00%
Matthias Kaehlcke23.57%120.00%
Stefani Seibold11.79%120.00%
Total56100.00%5100.00%


static ssize_t sonypi_misc_read(struct file *file, char __user *buf, size_t count, loff_t *pos) { ssize_t ret; unsigned char c; if ((kfifo_len(&sonypi_device.fifo) == 0) && (file->f_flags & O_NONBLOCK)) return -EAGAIN; ret = wait_event_interruptible(sonypi_device.fifo_proc_list, kfifo_len(&sonypi_device.fifo) != 0); if (ret) return ret; while (ret < count && (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c), &sonypi_device.fifo_lock) == sizeof(c))) { if (put_user(c, buf++)) return -EFAULT; ret++; } if (ret > 0) { struct inode *inode = file_inode(file); inode->i_atime = current_time(inode); } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds7746.67%111.11%
Stelian Pop6237.58%111.11%
Andi Kleen127.27%111.11%
Stefani Seibold95.45%333.33%
Al Viro42.42%222.22%
Deepa Dinamani10.61%111.11%
Total165100.00%9100.00%


static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) { poll_wait(file, &sonypi_device.fifo_proc_list, wait); if (kfifo_len(&sonypi_device.fifo)) return POLLIN | POLLRDNORM; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds3882.61%133.33%
Stelian Pop715.22%133.33%
Stefani Seibold12.17%133.33%
Total46100.00%3100.00%


static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) { long ret = 0; void __user *argp = (void __user *)arg; u8 val8; u16 val16; mutex_lock(&sonypi_device.lock); switch (cmd) { case SONYPI_IOCGBRT: if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) { ret = -EIO; break; } if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; case SONYPI_IOCSBRT: if (copy_from_user(&val8, argp, sizeof(val8))) { ret = -EFAULT; break; } if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8)) ret = -EIO; 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 (sonypi_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 = sonypi_device.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; } sonypi_setbluetoothpower(val8); break; /* FAN Controls */ case SONYPI_IOCGFAN: if (sonypi_ec_read(SONYPI_FAN0_STATUS, &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 (sonypi_ec_write(SONYPI_FAN0_STATUS, val8)) ret = -EIO; break; /* GET Temperature (useful under APM) */ case SONYPI_IOCGTEMP: if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) { ret = -EIO; break; } if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; default: ret = -EINVAL; } mutex_unlock(&sonypi_device.lock); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop23542.04%545.45%
Dave Jones19234.35%19.09%
Linus Torvalds10418.60%19.09%
Al Viro244.29%218.18%
John Kacur20.36%19.09%
Matthias Kaehlcke20.36%19.09%
Total559100.00%11100.00%

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, .unlocked_ioctl = sonypi_misc_ioctl, .llseek = no_llseek, }; static struct miscdevice sonypi_misc_device = { .minor = MISC_DYNAMIC_MINOR, .name = "sonypi", .fops = &sonypi_misc_fops, };
static void sonypi_enable(unsigned int camera_on) { switch (sonypi_device.model) { case SONYPI_DEVICE_MODEL_TYPE1: sonypi_type1_srs(); break; case SONYPI_DEVICE_MODEL_TYPE2: sonypi_type2_srs(); break; case SONYPI_DEVICE_MODEL_TYPE3: sonypi_type3_srs(); break; } sonypi_call1(0x82); sonypi_call2(0x81, 0xff); sonypi_call1(compat ? 0x92 : 0x82); /* Enable ACPI mode to get Fn key events */ if (!SONYPI_ACPI_ACTIVE && fnkeyinit) outb(0xf0, 0xb2); if (camera && camera_on) sonypi_camera_on(); }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop6577.38%480.00%
Erik Waling1922.62%120.00%
Total84100.00%5100.00%


static int sonypi_disable(void) { sonypi_call2(0x81, 0); /* make sure we don't get any more events */ if (camera) sonypi_camera_off(); /* disable ACPI mode */ if (!SONYPI_ACPI_ACTIVE && fnkeyinit) outb(0xf1, 0xb2); switch (sonypi_device.model) { case SONYPI_DEVICE_MODEL_TYPE1: sonypi_type1_dis(); break; case SONYPI_DEVICE_MODEL_TYPE2: sonypi_type2_dis(); break; case SONYPI_DEVICE_MODEL_TYPE3: sonypi_type3_dis(); break; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop5172.86%480.00%
Erik Waling1927.14%120.00%
Total70100.00%5100.00%

#ifdef CONFIG_ACPI
static int sonypi_acpi_add(struct acpi_device *device) { sonypi_acpi_device = device; strcpy(acpi_device_name(device), "Sony laptop hotkeys"); strcpy(acpi_device_class(device), "sony/hotkey"); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Collins38100.00%1100.00%
Total38100.00%1100.00%


static int sonypi_acpi_remove(struct acpi_device *device) { sonypi_acpi_device = NULL; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Collins18100.00%1100.00%
Total18100.00%1100.00%

static const struct acpi_device_id sonypi_device_ids[] = { {"SNY6001", 0}, {"", 0}, }; static struct acpi_driver sonypi_acpi_driver = { .name = "sonypi", .class = "hkey", .ids = sonypi_device_ids, .ops = { .add = sonypi_acpi_add, .remove = sonypi_acpi_remove, }, }; #endif
static int sonypi_create_input_devices(struct platform_device *pdev) { struct input_dev *jog_dev; struct input_dev *key_dev; int i; int error; sonypi_device.input_jog_dev = jog_dev = input_allocate_device(); if (!jog_dev) return -ENOMEM; jog_dev->name = "Sony Vaio Jogdial"; jog_dev->id.bustype = BUS_ISA; jog_dev->id.vendor = PCI_VENDOR_ID_SONY; jog_dev->dev.parent = &pdev->dev; jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); sonypi_device.input_key_dev = key_dev = input_allocate_device(); if (!key_dev) { error = -ENOMEM; goto err_free_jogdev; } key_dev->name = "Sony Vaio Keys"; key_dev->id.bustype = BUS_ISA; key_dev->id.vendor = PCI_VENDOR_ID_SONY; key_dev->dev.parent = &pdev->dev; /* Initialize the Input Drivers: special keys */ key_dev->evbit[0] = BIT_MASK(EV_KEY); for (i = 0; sonypi_inputkeys[i].sonypiev; i++) if (sonypi_inputkeys[i].inputev) set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit); error = input_register_device(jog_dev); if (error) goto err_free_keydev; error = input_register_device(key_dev); if (error) goto err_unregister_jogdev; return 0; err_unregister_jogdev: input_unregister_device(jog_dev); /* Set to NULL so we don't free it again below */ jog_dev = NULL; err_free_keydev: input_free_device(key_dev); sonypi_device.input_key_dev = NULL; err_free_jogdev: input_free_device(jog_dev); sonypi_device.input_jog_dev = NULL; return error; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov29798.02%375.00%
Jiri Slaby61.98%125.00%
Total303100.00%4100.00%


static int sonypi_setup_ioports(struct sonypi_device *dev, const struct sonypi_ioport_list *ioport_list) { /* try to detect if sony-laptop is being used and thus * has already requested one of the known ioports. * As in the deprecated check_region this is racy has we have * multiple ioports available and one of them can be requested * between this check and the subsequent request. Anyway, as an * attempt to be some more user-friendly as we currently are, * this is enough. */ const struct sonypi_ioport_list *check = ioport_list; while (check_ioport && check->port1) { if (!request_region(check->port1, sonypi_device.region_size, "Sony Programmable I/O Device Check")) { printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? " "if not use check_ioport=0\n", check->port1); return -EBUSY; } release_region(check->port1, sonypi_device.region_size); check++; } while (ioport_list->port1) { if (request_region(ioport_list->port1, sonypi_device.region_size, "Sony Programmable I/O Device")) { dev->ioport1 = ioport_list->port1; dev->ioport2 = ioport_list->port2; return 0; } ioport_list++; } return -EBUSY; }

Contributors

PersonTokensPropCommitsCommitProp
Mattia Dongili6548.51%116.67%
Dmitry Torokhov5238.81%116.67%
Stelian Pop64.48%116.67%
Linus Torvalds53.73%116.67%
Erik Waling42.99%116.67%
Lucas De Marchi21.49%116.67%
Total134100.00%6100.00%


static int sonypi_setup_irq(struct sonypi_device *dev, const struct sonypi_irq_list *irq_list) { while (irq_list->irq) { if (!request_irq(irq_list->irq, sonypi_irq, IRQF_SHARED, "sonypi", sonypi_irq)) { dev->irq = irq_list->irq; dev->bits = irq_list->bits; return 0; } irq_list++; } return -EBUSY; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov6185.92%125.00%
Erik Waling811.27%125.00%
Thomas Gleixner11.41%125.00%
Linus Torvalds11.41%125.00%
Total71100.00%4100.00%


static void sonypi_display_info(void) { printk(KERN_INFO "sonypi: detected type%d model, " "verbose = %d, fnkeyinit = %s, camera = %s, " "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", sonypi_device.model, verbose, fnkeyinit ? "on" : "off", camera ? "on" : "off", compat ? "on" : "off", mask, useinput ? "on" : "off", SONYPI_ACPI_ACTIVE ? "on" : "off"); printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", sonypi_device.irq, sonypi_device.ioport1, sonypi_device.ioport2); if (minor == -1) printk(KERN_INFO "sonypi: device allocated minor is %d\n", sonypi_misc_device.minor); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov8393.26%125.00%
Linus Torvalds44.49%250.00%
Erik Waling22.25%125.00%
Total89100.00%4100.00%


static int sonypi_probe(struct platform_device *dev) { const struct sonypi_ioport_list *ioport_list; const struct sonypi_irq_list *irq_list; struct pci_dev *pcidev; int error; printk(KERN_WARNING "sonypi: please try the sony-laptop module instead " "and report failures, see also " "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n"); spin_lock_init(&sonypi_device.fifo_lock); error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL); if (error) { printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); return error; } init_waitqueue_head(&sonypi_device.fifo_proc_list); mutex_init(&sonypi_device.lock); sonypi_device.bluetooth_power = -1; if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1, NULL))) sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; else sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; if (pcidev && pci_enable_device(pcidev)) { printk(KERN_ERR "sonypi: pci_enable_device failed\n"); error = -EIO; goto err_put_pcidev; } sonypi_device.dev = pcidev; if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) { ioport_list = sonypi_type1_ioport_list; sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE; sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET; irq_list = sonypi_type1_irq_list; } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) { ioport_list = sonypi_type2_ioport_list; sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE; sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET; irq_list = sonypi_type2_irq_list; } else { ioport_list = sonypi_type3_ioport_list; sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE; sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET; irq_list = sonypi_type3_irq_list; } error = sonypi_setup_ioports(&sonypi_device, ioport_list); if (error) { printk(KERN_ERR "sonypi: failed to request ioports\n"); goto err_disable_pcidev; } error = sonypi_setup_irq(&sonypi_device, irq_list); if (error) { printk(KERN_ERR "sonypi: request_irq failed\n"); goto err_free_ioports; } if (minor != -1) sonypi_misc_device.minor = minor; error = misc_register(&sonypi_misc_device); if (error) { printk(KERN_ERR "sonypi: misc_register failed\n"); goto err_free_irq; } sonypi_display_info(); if (useinput) { error = sonypi_create_input_devices(dev); if (error) { printk(KERN_ERR "sonypi: failed to create input devices\n"); goto err_miscdev_unregister; } spin_lock_init(&sonypi_device.input_fifo_lock); error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE, GFP_KERNEL); if (error) { printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); goto err_inpdev_unregister; } INIT_WORK(&sonypi_device.input_work, input_keyrelease); } sonypi_enable(0); return 0; err_inpdev_unregister: input_unregister_device(sonypi_device.input_key_dev); input_unregister_device(sonypi_device.input_jog_dev); err_miscdev_unregister: misc_deregister(&sonypi_misc_device); err_free_irq: free_irq(sonypi_device.irq, sonypi_irq); err_free_ioports: release_region(sonypi_device.ioport1, sonypi_device.region_size); err_disable_pcidev: if (pcidev) pci_disable_device(pcidev); err_put_pcidev: pci_dev_put(pcidev); kfifo_free(&sonypi_device.fifo); return error; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov18634.77%313.64%
Stelian Pop16430.65%940.91%
Linus Torvalds8816.45%313.64%
Erik Waling376.92%14.55%
Arnaud MAZIN224.11%14.55%
Stefani Seibold162.99%14.55%
Thomas Gleixner81.50%14.55%
Mattia Dongili81.50%14.55%
Dave Jones50.93%14.55%
Matthias Kaehlcke10.19%14.55%
Total535100.00%22100.00%


static int sonypi_remove(struct platform_device *dev) { sonypi_disable(); synchronize_irq(sonypi_device.irq); flush_work(&sonypi_device.input_work); if (useinput) { input_unregister_device(sonypi_device.input_key_dev); input_unregister_device(sonypi_device.input_jog_dev); kfifo_free(&sonypi_device.input_fifo); } misc_deregister(&sonypi_misc_device); free_irq(sonypi_device.irq, sonypi_irq); release_region(sonypi_device.ioport1, sonypi_device.region_size); if (sonypi_device.dev) { pci_disable_device(sonypi_device.dev); pci_dev_put(sonypi_device.dev); } kfifo_free(&sonypi_device.fifo); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop5345.69%436.36%
Dmitry Torokhov2925.00%327.27%
Linus Torvalds2521.55%19.09%
Tejun Heo76.03%218.18%
Stefani Seibold21.72%19.09%
Total116100.00%11100.00%

#ifdef CONFIG_PM_SLEEP static int old_camera_power;
static int sonypi_suspend(struct device *dev) { old_camera_power = sonypi_device.camera_power; sonypi_disable(); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov2295.65%150.00%
Rafael J. Wysocki14.35%150.00%
Total23100.00%2100.00%


static int sonypi_resume(struct device *dev) { sonypi_enable(old_camera_power); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov1578.95%133.33%
Linus Torvalds315.79%133.33%
Rafael J. Wysocki15.26%133.33%
Total19100.00%3100.00%

static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume); #define SONYPI_PM (&sonypi_pm) #else #define SONYPI_PM NULL #endif
static void sonypi_shutdown(struct platform_device *dev) { sonypi_disable(); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov1392.86%150.00%
Linus Torvalds17.14%150.00%
Total14100.00%2100.00%

static struct platform_driver sonypi_driver = { .driver = { .name = "sonypi", .pm = SONYPI_PM, }, .probe = sonypi_probe, .remove = sonypi_remove, .shutdown = sonypi_shutdown, }; static struct platform_device *sonypi_platform_device; static const struct dmi_system_id sonypi_dmi_table[] __initconst = { { .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-"), }, }, { } };
static int __init sonypi_init(void) { int error; printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver v%s.\n", SONYPI_DRIVER_VERSION); if (!dmi_check_system(sonypi_dmi_table)) return -ENODEV; error = platform_driver_register(&sonypi_driver); if (error) return error; sonypi_platform_device = platform_device_alloc("sonypi", -1); if (!sonypi_platform_device) { error = -ENOMEM; goto err_driver_unregister; } error = platform_device_add(sonypi_platform_device); if (error) goto err_free_device; #ifdef CONFIG_ACPI if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0) acpi_driver_registered = 1; #endif return 0; err_free_device: platform_device_put(sonypi_platform_device); err_driver_unregister: platform_driver_unregister(&sonypi_driver); return error; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov5946.83%110.00%
Stelian Pop2116.67%220.00%
Linus Torvalds2116.67%330.00%
Benjamin Collins1713.49%110.00%
Andrey Panin43.17%110.00%
Russell King21.59%110.00%
Björn Helgaas21.59%110.00%
Total126100.00%10100.00%


static void __exit sonypi_exit(void) { #ifdef CONFIG_ACPI if (acpi_driver_registered) acpi_bus_unregister_driver(&sonypi_acpi_driver); #endif platform_device_unregister(sonypi_platform_device); platform_driver_unregister(&sonypi_driver); printk(KERN_INFO "sonypi: removed.\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Collins1434.15%114.29%
Dmitry Torokhov1024.39%114.29%
Linus Torvalds921.95%114.29%
Stelian Pop614.63%228.57%
Russell King12.44%114.29%
Björn Helgaas12.44%114.29%
Total41100.00%7100.00%

module_init(sonypi_init); module_exit(sonypi_exit);

Overall Contributors

PersonTokensPropCommitsCommitProp
Stelian Pop298144.53%1824.66%
Linus Torvalds149322.30%56.85%
Dmitry Torokhov111616.67%56.85%
Erik Waling3284.90%11.37%
Dave Jones2493.72%34.11%
Benjamin Collins1422.12%11.37%
Mattia Dongili951.42%22.74%
Stefani Seibold500.75%34.11%
Andrey Panin430.64%11.37%
Al Viro280.42%34.11%
Arnaud MAZIN220.33%11.37%
Eugene Teo210.31%11.37%
Rafael J. Wysocki200.30%11.37%
Art Haas140.21%11.37%
Andi Kleen120.18%11.37%
Tejun Heo100.15%34.11%
Thomas Gleixner90.13%22.74%
Matthias Kaehlcke80.12%11.37%
John Kacur80.12%11.37%
Björn Helgaas60.09%22.74%
Russell King60.09%22.74%
Jiri Slaby60.09%11.37%
Arnaldo Carvalho de Melo60.09%11.37%
Andrew Morton40.06%11.37%
David Howells30.04%11.37%
Ingo Molnar30.04%11.37%
Christoph Hellwig20.03%11.37%
Lucas De Marchi20.03%11.37%
Harvey Harrison10.01%11.37%
Jonathan Corbet10.01%11.37%
Deepa Dinamani10.01%11.37%
Tobias Klauser10.01%11.37%
Masahiro Yamada10.01%11.37%
Yuanhan Liu10.01%11.37%
Arjan van de Ven10.01%11.37%
Jan Engelhardt10.01%11.37%
Total6695100.00%73100.00%
Directory: drivers/char
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