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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
*
* Copyright (C) 2009 by Szymon Dziok
*
* 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"
/* sensitivity settings for capacitive buttons and scrollstrip.
The values are signed 4-bit two's complement,
reaching from -8 (least sensitive) to +7 (most sensitive) */
#define MEP_SENSITIVITY_BTN 2
#define MEP_SENSITIVITY_STRIP 4
void power_init(void)
{
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");
}
/* Set touch sensivity, Rate=80/s,NoFilter=0,
KeyMatrix=0,Buttons=1,Relative=0,Absolute=1.
MEP parameter 0x20 - Report Modes */
touchpad_set_parameter(0,0x20,0x0085 | (MEP_SENSITIVITY_BTN & 0x0F)<<12
| (MEP_SENSITIVITY_STRIP & 0x0F)<<8);
/* MinAbsReporting=0, NotAllCapButtons=0,SingleCapButton=0,
50msDebounce=0,MotionReporting=1 (reduce transmission overhead),
ClipZifnoFinger=0,DisableDeceleration=0,Dribble=0.
MEP parameter 0x21 - Enhanced Operating Configuration */
touchpad_set_parameter(0,0x21,0x0008);
/* Set the GPO_LEVELS = 0 - for the button lights */
touchpad_set_parameter(0,0x23,0x0000);
/* Sound unmute (on) */
GPIO_CLEAR_BITWISE(GPIOL_OUTPUT_VAL, 0x10);
}
unsigned int power_input_status(void)
{
unsigned int status = POWER_INPUT_NONE;
/* GPIOL - external charger connected */
if (GPIOL_INPUT_VAL & 0x20)
status = POWER_INPUT_MAIN_CHARGER;
/* GPIOL - usb connected */
if (GPIOL_INPUT_VAL & 0x04)
status |= POWER_INPUT_USB_CHARGER;
return status;
}
void ide_power_enable(bool on)
{
if(on){
GPIO_SET_BITWISE(GPIOC_OUTPUT_VAL, 0x08);
DEV_EN |= DEV_IDE0;
} else
{
DEV_EN &= ~DEV_IDE0;
GPIO_CLEAR_BITWISE(GPIOC_OUTPUT_VAL, 0x08);
}
}
bool ide_powered(void)
{
return ((GPIOC_INPUT_VAL & 0x08) == 1);
}
void power_off(void)
{
/* Sound mute (off) */
DEV_INIT2 |= DEV_I2S;
GPIO_SET_BITWISE(GPIOL_OUTPUT_VAL, 0x10);
/* shutdown bit */
GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x80);
/* button lights off */
touchpad_set_parameter(0,0x22,0x0000);
/* ATA power off */
ide_power_enable(false);
/* ? - in the OF */
GPO32_VAL |= 0x40000000;
GPO32_ENABLE |= 0x40000000;
/* lcd controller off ? - makes lcd white until power on */
GPIO_CLEAR_BITWISE(GPIOJ_OUTPUT_VAL, 0x04);
/* a way to poweroff while charging = system_reset */
if (power_input_status())
system_reboot();
}
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