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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "power.h"
#ifdef QT_QWS_CUSTOM
#include "custom.h"
#endif
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef QT_QWS_IPAQ_NO_APM
#include <linux/h3600_ts.h>
#endif
PowerStatusManager *PowerStatusManager::powerManager = 0;
PowerStatus *PowerStatusManager::ps = 0;
static bool haveProcApm = false;
PowerStatusManager::PowerStatusManager()
{
powerManager = this;
ps = new PowerStatus;
FILE *f = fopen("/proc/apm", "r");
if ( f ) {
fclose(f);
haveProcApm = TRUE;
}
}
const PowerStatus &PowerStatusManager::readStatus()
{
if ( !powerManager )
(void)new PowerStatusManager;
powerManager->getStatus();
return *ps;
}
// Standard /proc/apm reader
bool PowerStatusManager::getProcApmStatus( int &ac, int &bs, int &bf, int &pc, int &sec )
{
bool ok = false;
ac = 0xff;
bs = 0xff;
bf = 0xff;
pc = -1;
sec = -1;
FILE *f = fopen("/proc/apm", "r");
if ( f ) {
//I 1.13 1.2 0x02 0x00 0xff 0xff 49% 147 sec
char u;
fscanf(f, "%*[^ ] %*d.%*d 0x%*x 0x%x 0x%x 0x%x %d%% %i %c",
&ac, &bs, &bf, &pc, &sec, &u);
fclose(f);
switch ( u ) {
case 'm': sec *= 60;
case 's': break; // ok
default: sec = -1; // unknown
}
// extract data
switch ( bs ) {
case 0x00:
ps->bs = PowerStatus::High;
break;
case 0x01:
ps->bs = PowerStatus::Low;
break;
case 0x7f:
ps->bs = PowerStatus::VeryLow;
break;
case 0x02:
ps->bs = PowerStatus::Critical;
break;
case 0x03:
ps->bs = PowerStatus::Charging;
break;
case 0x04:
case 0xff: // 0xff is Unknown but we map to NotPresent
default:
ps->bs = PowerStatus::NotPresent;
break;
}
switch ( ac ) {
case 0x00:
ps->ac = PowerStatus::Offline;
break;
case 0x01:
ps->ac = PowerStatus::Online;
break;
case 0x02:
ps->ac = PowerStatus::Backup;
break;
}
if ( pc > 100 )
pc = -1;
ps->percentRemain = pc;
ps->secsRemain = sec;
ok = true;
}
return ok;
}
#ifdef QT_QWS_CUSTOM
void PowerStatusManager::getStatus()
{
int ac, bs, bf, pc, sec;
ps->percentAccurate = TRUE; // not for long...
if ( haveProcApm && getProcApmStatus( ac, bs, bf, pc, sec ) ) {
// special case
if ( bs == 0x7f )
ps->bs = PowerStatus::VeryLow;
pc = -1; // fake percentage
if ( pc < 0 ) {
switch ( bs ) {
case 0x00: ps->percentRemain = 100; break; // High
case 0x01: ps->percentRemain = 30; break; // Low
case 0x7f: ps->percentRemain = 10; break; // Very Low
case 0x02: ps->percentRemain = 5; break; // Critical
case 0x03: ps->percentRemain = -1; break; // Charging
}
ps->percentAccurate = FALSE;
}
}
char *device = "/dev/apm_bios";
int fd = ::open (device, O_WRONLY);
if ( fd >= 0 ) {
int bbat_status = ioctl( fd, APM_IOC_BATTERY_BACK_CHK, 0 );
switch ( bbat_status ) {
case 0x00:
ps->bbs = PowerStatus::High;
break;
case 0x01:
ps->bbs = PowerStatus::Low;
break;
case 0x7f:
ps->bbs = PowerStatus::VeryLow;
break;
case 0x02:
ps->bbs = PowerStatus::Critical;
break;
case 0x03:
ps->bbs = PowerStatus::Charging;
break;
case 0x04:
ps->bbs = PowerStatus::NotPresent;
break;
}
::close(fd);
}
}
#else
void PowerStatusManager::getStatus()
{
bool usedApm = FALSE;
ps->percentAccurate = TRUE;
// Some iPAQ kernel builds don't have APM. If this is not the case we
// save ourselves an ioctl by testing if /proc/apm exists in the
// constructor and we use /proc/apm instead
int ac, bs, bf, pc, sec;
if ( haveProcApm )
usedApm = getProcApmStatus( ac, bs, bf, pc, sec );
if ( !usedApm ) {
#ifdef QT_QWS_IPAQ_NO_APM
int fd;
int err;
struct bat_dev batt_info;
memset(&batt_info, 0, sizeof(batt_info));
fd = ::open("/dev/ts",O_RDONLY);
if( fd < 0 )
return;
ioctl(fd, GET_BATTERY_STATUS, &batt_info);
ac_status = batt_info.ac_status;
ps->percentRemain = ( 425 * batt_info.batt1_voltage ) / 1000 - 298; // from h3600_ts.c
ps->secsRemain = -1; // seconds is bogus on iPAQ
::close (fd);
#else
ps->percentRemain = 100;
ps->secsRemain = -1;
ps->percentAccurate = FALSE;
#endif
}
}
#endif
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