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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Mark Arigo
*
* 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 "cpu.h"
#include <stdbool.h>
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "logf.h"
#include "usb.h"
#include "synaptics-mep.h"
void power_init(void)
{
/* power off bit */
GPIOB_ENABLE |= 0x80;
GPIOB_OUTPUT_VAL |= 0x80;
GPIOB_OUTPUT_EN |= 0x80;
/* charger inserted bit */
GPIOE_ENABLE |= 0x20;
GPIOE_INPUT_VAL |= 0x20;
#if CONFIG_TUNER
/* fm antenna? */
GPIOE_ENABLE |= 0x40;
GPIOE_OUTPUT_EN |= 0x40;
GPIOE_OUTPUT_VAL &= ~0x40; /* off */
#endif
#ifndef BOOTLOADER
/* enable touchpad here because we need it for
both buttons and button lights */
GPO32_ENABLE |= 0x80;
GPO32_VAL &= ~0x80;
udelay(1000);
GPIOD_ENABLE |= 0x80; /* enable ACK */
GPIOA_ENABLE |= (0x10 | 0x20); /* enable DATA, CLK */
GPIOD_OUTPUT_EN |= 0x80; /* set ACK */
GPIOD_OUTPUT_VAL |= 0x80; /* high */
GPIOA_OUTPUT_EN &= ~0x20; /* CLK */
GPIOA_OUTPUT_EN |= 0x10; /* set DATA */
GPIOA_OUTPUT_VAL |= 0x10; /* high */
if (!touchpad_init())
{
logf("touchpad not ready");
}
#endif
}
unsigned int power_input_status(void)
{
unsigned int status = POWER_INPUT_NONE;
/* AC charger */
if (GPIOE_INPUT_VAL & 0x20)
status |= POWER_INPUT_MAIN_CHARGER;
/* Do nothing with USB for now
if (GPIOE_INPUT_VAL & 0x4)
status |= POWER_INPUT_USB_CHARGER;
*/
return status;
}
void ide_power_enable(bool on)
{
(void)on;
/* We do nothing */
}
bool ide_powered(void)
{
/* pretend we are always powered - we don't turn it off */
return true;
}
void power_off(void)
{
/* power off bit */
GPIOB_ENABLE |= 0x80;
GPIOB_OUTPUT_VAL &= ~0x80;
GPIOB_OUTPUT_EN |= 0x80;
}
#if CONFIG_TUNER
bool tuner_power(bool status)
{
if (status)
GPIOE_OUTPUT_VAL |= 0x40;
else
GPIOE_OUTPUT_VAL &= ~0x40;
return status;
}
#endif
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