c6309633a1
* Inhibit PCF timeout during shutdown and while charging * Power off the player using the same mechanism as the OF (GPIO) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22056 a1c6a512-1295-4272-9138-f99709370657
144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2007 Dave Chapman
|
|
*
|
|
* 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 "cpu.h"
|
|
#include "kernel.h"
|
|
#include "system.h"
|
|
#include "power.h"
|
|
#include "pcf50606.h"
|
|
#include "button-target.h"
|
|
#include "tuner.h"
|
|
#include "backlight-target.h"
|
|
#include "powermgmt.h"
|
|
|
|
void power_init(void)
|
|
{
|
|
unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
|
|
|
|
/* Clear pending interrupts from pcf50606 */
|
|
pcf50606_read_multiple(0x02, data, 3);
|
|
|
|
/* Set outputs as per OF - further investigation required. */
|
|
pcf50606_write(PCF5060X_DCDEC1, 0xe4);
|
|
pcf50606_write(PCF5060X_IOREGC, 0xf5);
|
|
pcf50606_write(PCF5060X_D1REGC1, 0xf5);
|
|
pcf50606_write(PCF5060X_D2REGC1, 0xe9);
|
|
pcf50606_write(PCF5060X_D3REGC1, 0xf8); /* WM8985 3.3v */
|
|
pcf50606_write(PCF5060X_DCUDC1, 0xe7);
|
|
pcf50606_write(PCF5060X_LPREGC1, 0x0);
|
|
pcf50606_write(PCF5060X_LPREGC2, 0x2);
|
|
|
|
#ifndef BOOTLOADER
|
|
IEN |= EXT3_IRQ_MASK; /* Unmask EXT3 */
|
|
#endif
|
|
}
|
|
|
|
void power_off(void)
|
|
{
|
|
/* Turn the backlight off first to avoid a bright stripe on power-off */
|
|
_backlight_off();
|
|
sleep(HZ/10);
|
|
|
|
/* Power off the player using the same mechanism as the OF */
|
|
GPIOA_CLEAR = (1<<7);
|
|
while(true);
|
|
}
|
|
|
|
#ifndef BOOTLOADER
|
|
void EXT3(void)
|
|
{
|
|
unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
|
|
|
|
/* Clear pending interrupts from pcf50606 */
|
|
pcf50606_read_multiple(0x02, data, 3);
|
|
|
|
if (data[0] & 0x04)
|
|
{
|
|
/* ONKEY1S */
|
|
if (!charger_inserted())
|
|
sys_poweroff();
|
|
else
|
|
pcf50606_reset_timeout();
|
|
}
|
|
|
|
if (data[2] & 0x08)
|
|
{
|
|
/* Touchscreen event, do something about it */
|
|
button_set_touch_available();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_CHARGING
|
|
unsigned int power_input_status(void)
|
|
{
|
|
return ((GPIOC & (1<<26)) == 0) ?
|
|
POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_TUNER
|
|
|
|
/** Tuner **/
|
|
static bool powered = false;
|
|
|
|
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. */
|
|
GPIOC_DIR &= ~(1 << 30);
|
|
|
|
/* 2. Drive NR_W low */
|
|
GPIOC_CLEAR = (1 << 31);
|
|
GPIOC_DIR |= (1 << 31);
|
|
|
|
/* 3. Drive CLOCK high */
|
|
GPIOC_SET = (1 << 29);
|
|
GPIOC_DIR |= (1 << 29);
|
|
|
|
lv24020lp_power(true);
|
|
}
|
|
else
|
|
{
|
|
lv24020lp_power(false);
|
|
|
|
/* set all as inputs */
|
|
GPIOC_DIR &= ~((1 << 29) | (1 << 30) | (1 << 31));
|
|
}
|
|
|
|
powered = status;
|
|
}
|
|
|
|
lv24020lp_unlock();
|
|
return old_status;
|
|
}
|
|
|
|
#endif /* CONFIG_TUNER */
|