linux-imx

/*

 *  sbs.c - ACPI Smart Battery System Driver ($Revision: 2.0 $)

 *

 *  Copyright (c) 2007 Alexey Starikovskiy <astarikovskiy@suse.de>

 *  Copyright (c) 2005-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com>

 *  Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu>

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 *

 *  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.

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 */

​

#include <linux/init.h>

#include <linux/slab.h>

#include <linux/module.h>

#include <linux/moduleparam.h>

#include <linux/kernel.h>

​

#include <linux/acpi.h>

#include <linux/timer.h>

#include <linux/jiffies.h>

#include <linux/delay.h>

#include <linux/power_supply.h>

#include <linux/platform_data/x86/apple.h>

#include <acpi/battery.h>

​

#include "sbshc.h"

​

#define PREFIX "ACPI: "

​

#define ACPI_SBS_CLASS          "sbs"

#define ACPI_AC_CLASS           "ac_adapter"

#define ACPI_SBS_DEVICE_NAME        "Smart Battery System"

#define ACPI_SBS_FILE_INFO      "info"

#define ACPI_SBS_FILE_STATE     "state"

#define ACPI_SBS_FILE_ALARM     "alarm"

#define ACPI_BATTERY_DIR_NAME       "BAT%i"

#define ACPI_AC_DIR_NAME        "AC0"

​

#define ACPI_SBS_NOTIFY_STATUS      0x80

#define ACPI_SBS_NOTIFY_INFO        0x81

​

MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");

MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");

MODULE_LICENSE("GPL");

​

static unsigned int cache_time = 1000;

module_param(cache_time, uint, 0644);

MODULE_PARM_DESC(cache_time, "cache time in milliseconds");

​

#define MAX_SBS_BAT         4

#define ACPI_SBS_BLOCK_MAX      32

​