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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 Vitja Makarov
*
* 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 <stdbool.h>
#include "config.h"
#include "cpu.h"
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "backlight-target.h"
#include "pcf50606.h"
void power_init(void)
{
pcf50606_write(PCF5060X_DCDC1, 0x90);
pcf50606_write(PCF5060X_DCDC2, 0x48);
pcf50606_write(PCF5060X_DCDC3, 0xfc);
pcf50606_write(PCF5060X_DCDC4, 0xb1);
pcf50606_write(PCF5060X_IOREGC, 0xe9);
/* 3.3V, touch-panel */
pcf50606_write(PCF5060X_D1REGC1, 0xf8);
pcf50606_write(PCF5060X_D2REGC1, 0xf2);
pcf50606_write(PCF5060X_D3REGC1, 0xf5);
pcf50606_write(PCF5060X_LPREGC1, 0x00);
pcf50606_write(PCF5060X_LPREGC2, 0x02);
pcf50606_write(PCF5060X_DCUDC1, 0xe6);
pcf50606_write(PCF5060X_DCUDC2, 0x30);
pcf50606_write(PCF5060X_DCDEC1, 0xe7);
pcf50606_write(PCF5060X_DCDEC2, 0x02);
pcf50606_write(PCF5060X_INT1M, 0x5b);
pcf50606_write(PCF5060X_INT1M, 0xaf);
pcf50606_write(PCF5060X_INT1M, 0x8f);
pcf50606_write(PCF5060X_OOCC1, 0x40);
pcf50606_write(PCF5060X_OOCC2, 0x05);
pcf50606_write(PCF5060X_MBCC3, 0x3a);
pcf50606_write(PCF5060X_GPOC1, 0x00);
pcf50606_write(PCF5060X_BBCC, 0xf8);
}
/* Control leds on ata2501 board */
void power_touch_panel(bool on)
{
if (on)
pcf50606_write(PCF5060X_D1REGC1, 0xf8);
else
pcf50606_write(PCF5060X_D1REGC1, 0x00);
}
void ide_power_enable(bool on)
{
(void) on;
}
bool ide_powered(void)
{
return true;
}
void power_off(void)
{
/* Forcibly cut power to SoC & peripherals by putting the PCF to sleep */
pcf50606_write(PCF5060X_OOCC1, GOSTDBY | CHGWAK | EXTONWAK);
}
#if CONFIG_TUNER
#include "tuner.h"
/** Tuner **/
static bool powered = false;
#define TUNNER_CLK (1 << 5)
#define TUNNER_DATA (1 << 6)
#define TUNNER_NR_W (1 << 7)
bool tuner_power(bool status)
{
bool old_status;
lv24020lp_lock();
old_status = powered;
if (status != old_status)
{
if (status)
{
/* When power up, host should initialize the 3-wire bus
in host read mode: */
/* 1. Set direction of the DATA-line to input-mode. */
GPIOA_DIR &= ~TUNNER_DATA;
/* 2. Drive NR_W low */
GPIOA &= ~TUNNER_NR_W;
GPIOA_DIR |= TUNNER_NR_W;
/* 3. Drive CLOCK high */
GPIOA |= TUNNER_CLK;
GPIOA_DIR |= TUNNER_CLK;
lv24020lp_power(true);
}
else
{
lv24020lp_power(false);
/* set all as inputs */
GPIOC_DIR &= ~(TUNNER_CLK | TUNNER_DATA | TUNNER_NR_W);
}
powered = status;
}
lv24020lp_unlock();
return old_status;
}
#endif /* CONFIG_TUNER */
unsigned int power_input_status(void)
{
return (GPIOA & 0x1) ?
POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
}
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