#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <linux/dmi.h>
#include "internal.h"

Data Structures
struct	acpi_ec_query_handler

struct	transaction

Macros
#define	ACPI_EC_CLASS "embedded_controller"

#define	ACPI_EC_DEVICE_NAME "Embedded Controller"

#define	ACPI_EC_FILE_INFO "info"

#define	PREFIX "ACPI: EC: "

#define	ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */

#define	ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */

#define	ACPI_EC_FLAG_BURST 0x10 /* burst mode */

#define	ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */

#define	ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */

#define	ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */

#define	ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */

Typedefs
typedef int(*	acpi_ec_query_func )(void *data)

Enumerations
enum	ec_command { ACPI_EC_COMMAND_READ = 0x80, ACPI_EC_COMMAND_WRITE = 0x81, ACPI_EC_BURST_ENABLE = 0x82, ACPI_EC_BURST_DISABLE = 0x83, ACPI_EC_COMMAND_QUERY = 0x84 }

enum	{ EC_FLAGS_QUERY_PENDING, EC_FLAGS_GPE_STORM, EC_FLAGS_HANDLERS_INSTALLED, EC_FLAGS_BLOCKED }

Functions
	module_param (ec_delay, uint, 0644)

	MODULE_PARM_DESC (ec_delay,"Timeout(ms) waited until an EC command completes")

	module_param (ec_storm_threshold, uint, 0644)

	MODULE_PARM_DESC (ec_storm_threshold,"Maxim false GPE numbers not considered as GPE storm")

	EXPORT_SYMBOL (first_ec)

int	ec_burst_enable (void)

	EXPORT_SYMBOL (ec_burst_enable)

int	ec_burst_disable (void)

	EXPORT_SYMBOL (ec_burst_disable)

int	ec_read (u8 addr, u8 *val)

	EXPORT_SYMBOL (ec_read)

int	ec_write (u8 addr, u8 val)

	EXPORT_SYMBOL (ec_write)

int	ec_transaction (u8 command, const u8 wdata, unsigned wdata_len, u8 rdata, unsigned rdata_len)

	EXPORT_SYMBOL (ec_transaction)

acpi_handle	ec_get_handle (void)

	EXPORT_SYMBOL (ec_get_handle)

void	acpi_ec_block_transactions (void)

void	acpi_ec_unblock_transactions (void)

void	acpi_ec_unblock_transactions_early (void)

int	acpi_ec_add_query_handler (struct acpi_ec ec, u8 query_bit, acpi_handle handle, acpi_ec_query_func func, void data)

	EXPORT_SYMBOL_GPL (acpi_ec_add_query_handler)

void	acpi_ec_remove_query_handler (struct acpi_ec *ec, u8 query_bit)

	EXPORT_SYMBOL_GPL (acpi_ec_remove_query_handler)

int __init	acpi_boot_ec_enable (void)

int __init	acpi_ec_ecdt_probe (void)

int __init	acpi_ec_init (void)

Variables
struct acpi_ec *	boot_ec

struct acpi_ec *	first_ec

Macro Definition Documentation

#define ACPI_EC_CLASS "embedded_controller"

Definition at line 48 of file ec.c.

#define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */

Definition at line 70 of file ec.c.

#define ACPI_EC_DEVICE_NAME "Embedded Controller"

Definition at line 49 of file ec.c.

#define ACPI_EC_FILE_INFO "info"

Definition at line 50 of file ec.c.

#define ACPI_EC_FLAG_BURST 0x10 /* burst mode */

Definition at line 58 of file ec.c.

#define ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */

Definition at line 57 of file ec.c.

#define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */

Definition at line 56 of file ec.c.

#define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */

Definition at line 59 of file ec.c.

#define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */

Definition at line 72 of file ec.c.

#define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */

Definition at line 71 of file ec.c.

#define PREFIX "ACPI: EC: "

Definition at line 53 of file ec.c.

Typedef Documentation

typedef int(* acpi_ec_query_func)(void *data)

Definition at line 98 of file ec.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

EC_FLAGS_QUERY_PENDING
EC_FLAGS_GPE_STORM
EC_FLAGS_HANDLERS_INSTALLED
EC_FLAGS_BLOCKED

Definition at line 74 of file ec.c.

enum ec_command

Enumerator:

ACPI_EC_COMMAND_READ
ACPI_EC_COMMAND_WRITE
ACPI_EC_BURST_ENABLE
ACPI_EC_BURST_DISABLE
ACPI_EC_COMMAND_QUERY

Definition at line 62 of file ec.c.

Function Documentation

int __init acpi_boot_ec_enable ( void )

Definition at line 894 of file ec.c.

int acpi_ec_add_query_handler	(	struct acpi_ec *	ec,
		u8	query_bit,
		acpi_handle	handle,
		acpi_ec_query_func	func,
		void *	data
	)

Definition at line 526 of file ec.c.

void acpi_ec_block_transactions ( void )

Definition at line 464 of file ec.c.

int __init acpi_ec_ecdt_probe ( void )

Definition at line 982 of file ec.c.

int __init acpi_ec_init ( void )

Definition at line 1068 of file ec.c.

void acpi_ec_remove_query_handler	(	struct acpi_ec *	ec,
		u8	query_bit
	)

Definition at line 547 of file ec.c.

void acpi_ec_unblock_transactions ( void )

Definition at line 477 of file ec.c.

void acpi_ec_unblock_transactions_early ( void )

Definition at line 490 of file ec.c.

int ec_burst_disable ( void )

Definition at line 397 of file ec.c.

int ec_burst_enable ( void )

Definition at line 388 of file ec.c.

acpi_handle ec_get_handle ( void )

Definition at line 455 of file ec.c.

int ec_read	(	u8	addr,
		u8 *	val
	)

Definition at line 406 of file ec.c.

int ec_transaction	(	u8	command,
		const u8 *	wdata,
		unsigned	wdata_len,
		u8 *	rdata,
		unsigned	rdata_len
	)

Definition at line 439 of file ec.c.

int ec_write	(	u8	addr,
		u8	val
	)

Definition at line 425 of file ec.c.

EXPORT_SYMBOL ( first_ec )

EXPORT_SYMBOL ( ec_burst_enable )

EXPORT_SYMBOL ( ec_burst_disable )

EXPORT_SYMBOL ( ec_read )

EXPORT_SYMBOL ( ec_write )

EXPORT_SYMBOL ( ec_transaction )

EXPORT_SYMBOL ( ec_get_handle )

EXPORT_SYMBOL_GPL ( acpi_ec_add_query_handler )

EXPORT_SYMBOL_GPL ( acpi_ec_remove_query_handler )

module_param	(	ec_delay	,
		uint	,
		0644
	)

module_param	(	ec_storm_threshold	,
		uint	,
		0644
	)

MODULE_PARM_DESC	(	ec_delay	,
		"Timeout(ms) waited until an EC command completes"
	)

MODULE_PARM_DESC	(	ec_storm_threshold	,
		"Maxim false GPE numbers not considered as GPE storm"
	)

Variable Documentation

struct acpi_ec* boot_ec

Definition at line 120 of file ec.c.

struct acpi_ec * first_ec

Definition at line 120 of file ec.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation