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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Daniel Ankers
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdbool.h>
#include "system.h"
#include "cpu.h"
#include "i2c-pp.h"
#include "tuner.h"
#include "as3514.h"
void power_init(void)
{
}
void power_off(void)
{
char byte;
/* Send shutdown command to PMU */
byte = i2c_readbyte(AS3514_I2C_ADDR, SYSTEM);
byte &= ~0x1;
pp_i2c_send(AS3514_I2C_ADDR, SYSTEM, byte);
/* Stop interrupts on both cores */
disable_interrupt(IRQ_FIQ_STATUS);
COP_INT_CLR = -1;
CPU_INT_CLR = -1;
/* Halt everything and wait for device to power off */
while (1)
{
COP_CTL = 0x40000000;
CPU_CTL = 0x40000000;
}
}
bool charger_inserted(void)
{
#ifdef SANSA_E200
if(GPIOB_INPUT_VAL & 0x10)
#else /* SANSA_C200 */
if(GPIOH_INPUT_VAL & 0x2)
#endif
return true;
return false;
}
void ide_power_enable(bool on)
{
(void)on;
}
#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)
{
/* init mystery amplification device */
#if defined(SANSA_E200)
GPO32_ENABLE |= 0x1;
#else /* SANSA_C200 */
DEV_INIT2 &= ~0x800;
#endif
udelay(5);
/* When power up, host should initialize the 3-wire bus
in host read mode: */
/* 1. Set direction of the DATA-line to input-mode. */
GPIOH_OUTPUT_EN &= ~(1 << 5);
GPIOH_ENABLE |= (1 << 5);
/* 2. Drive NR_W low */
GPIOH_OUTPUT_VAL &= ~(1 << 3);
GPIOH_OUTPUT_EN |= (1 << 3);
GPIOH_ENABLE |= (1 << 3);
/* 3. Drive CLOCK high */
GPIOH_OUTPUT_VAL |= (1 << 4);
GPIOH_OUTPUT_EN |= (1 << 4);
GPIOH_ENABLE |= (1 << 4);
lv24020lp_power(true);
}
else
{
lv24020lp_power(false);
/* set all as inputs */
GPIOH_OUTPUT_EN &= ~((1 << 5) | (1 << 3) | (1 << 4));
GPIOH_ENABLE &= ~((1 << 3) | (1 << 4));
/* turn off mystery amplification device */
#if defined (SANSA_E200)
GPO32_ENABLE &= ~0x1;
#else
DEV_INIT2 |= 0x800;
#endif
}
powered = status;
}
lv24020lp_unlock();
return old_status;
}
#endif /* CONFIG_TUNER */
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