75f2d441e9
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16897 a1c6a512-1295-4272-9138-f99709370657
137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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;
|
|
|
|
/* Disable interrupts on this core */
|
|
disable_interrupt(IRQ_FIQ_STATUS);
|
|
|
|
/* Mask them on both cores */
|
|
CPU_INT_CLR = -1;
|
|
COP_INT_CLR = -1;
|
|
|
|
/* Send shutdown command to PMU */
|
|
byte = i2c_readbyte(AS3514_I2C_ADDR, SYSTEM);
|
|
byte &= ~0x1;
|
|
pp_i2c_send(AS3514_I2C_ADDR, SYSTEM, byte);
|
|
|
|
/* Halt everything and wait for device to power off */
|
|
while (1)
|
|
{
|
|
CPU_CTL = PROC_SLEEP;
|
|
COP_CTL = PROC_SLEEP;
|
|
}
|
|
}
|
|
|
|
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 */
|