rockbox/firmware/target/mips/ingenic_jz47xx/onda_vx747/power-onda_vx747.c
Maurus Cuelenaere f15e6ff061 Onda VX747: fix USB charging detection
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24160 a1c6a512-1295-4272-9138-f99709370657
2010-01-03 13:07:30 +00:00

74 lines
1.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Maurus Cuelenaere
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "power.h"
#include "jz4740.h"
/* TQ7051 chip */
#define CHARGE_STAT_GPIO (32*1+30) /* STAT port */
#define USB_CHARGER_GPIO (32*3+28)
#if CONFIG_CHARGING
/* Detect which power sources are present. */
unsigned int power_input_status(void)
{
unsigned int status = POWER_INPUT_NONE;
if (__gpio_get_pin(USB_CHARGER_GPIO))
status |= POWER_INPUT_USB_CHARGER;
if(!__gpio_get_pin(CHARGE_STAT_GPIO))
status |= POWER_INPUT_USB;
return status;
}
#endif
void power_init(void)
{
__gpio_as_input(USB_CHARGER_GPIO);
__gpio_as_input(CHARGE_STAT_GPIO);
}
bool charging_state(void)
{
return power_input_status() & POWER_INPUT_USB;
}
#if CONFIG_TUNER
static bool tuner_on = false;
bool tuner_power(bool status)
{
if (status != tuner_on)
{
tuner_on = status;
status = !status;
}
return status;
}
bool tuner_powered(void)
{
return tuner_on;
}
#endif