f67e3559c6
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24987 a1c6a512-1295-4272-9138-f99709370657
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id:$
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*
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* Copyright (C) 2009 by Szymon Dziok
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include <stdbool.h>
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#include "kernel.h"
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#include "system.h"
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#include "power.h"
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#include "logf.h"
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#include "usb.h"
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#include "synaptics-mep.h"
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void power_init(void)
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{
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GPIOD_ENABLE |= 0x80; /* enable ACK */
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GPIOA_ENABLE |= (0x10 | 0x20); /* enable DATA, CLK */
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GPIOD_OUTPUT_EN |= 0x80; /* set ACK */
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GPIOD_OUTPUT_VAL |= 0x80; /* high */
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GPIOA_OUTPUT_EN &= ~0x20; /* CLK */
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GPIOA_OUTPUT_EN |= 0x10; /* set DATA */
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GPIOA_OUTPUT_VAL |= 0x10; /* high */
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if (!touchpad_init())
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{
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logf("touchpad not ready");
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}
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/* Max touch sensivity = 0x77, Rate=80/s,NoFilter=0,
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KeyMatrix=0,Buttons=1,Relative=0,Absolute=1.
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MEP parameter 0x20 - Report Modes */
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touchpad_set_parameter(0x20,0x7785);
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/* MinAbsReporting=0, NotAllCapButtons=0,SingleCapButton=0,
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50msDebounce=0,MotionReporting=1 (reduce transmission overhead),
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ClipZifnoFinger=0,DisableDeceleration=0,Dribble=0.
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MEP parameter 0x21 - Enhanced Operating Configuration */
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touchpad_set_parameter(0x21,0x0008);
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/* Set the GPO_LEVELS = 0 - for the button lights */
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touchpad_set_parameter(0x23,0x0000);
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/* Sound unmute (on) */
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GPIO_CLEAR_BITWISE(GPIOL_OUTPUT_VAL, 0x10);
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}
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unsigned int power_input_status(void)
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{
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unsigned int status = POWER_INPUT_NONE;
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/* GPIOL - external charger connected */
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if (GPIOL_INPUT_VAL & 0x20)
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status = POWER_INPUT_MAIN_CHARGER;
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/* GPIOL - usb connected */
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if (GPIOL_INPUT_VAL & 0x04)
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status |= POWER_INPUT_USB_CHARGER;
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return status;
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}
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void ide_power_enable(bool on)
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{
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if(on){
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GPIO_SET_BITWISE(GPIOC_OUTPUT_VAL, 0x08);
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DEV_EN |= DEV_IDE0;
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} else
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{
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DEV_EN &= ~DEV_IDE0;
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GPIO_CLEAR_BITWISE(GPIOC_OUTPUT_VAL, 0x08);
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}
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}
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bool ide_powered(void)
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{
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return ((GPIOC_INPUT_VAL & 0x08) == 1);
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}
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void power_off(void)
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{
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/* Sound mute (off) */
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DEV_INIT2 |= DEV_I2S;
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GPIO_SET_BITWISE(GPIOL_OUTPUT_VAL, 0x10);
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/* shutdown bit */
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GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x80);
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/* button lights off */
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touchpad_set_parameter(0x22,0x0000);
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/* ATA power off */
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ide_power_enable(false);
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/* ? - in the OF */
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GPO32_VAL |= 0x40000000;
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GPO32_ENABLE |= 0x40000000;
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/* lcd controller off ? - makes lcd white until power on */
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GPIO_CLEAR_BITWISE(GPIOJ_OUTPUT_VAL, 0x04);
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/* a way to poweroff while charging = system_reset */
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if (power_input_status())
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system_reboot();
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}
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