From 8a177345ce7b96a00f1f14387412c2dfacfeaf34 Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Tue, 14 Aug 2007 22:06:23 +0000 Subject: Moved archos power handling into target tree. * Tuner power handling cleaned up a bit. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14345 a1c6a512-1295-4272-9138-f99709370657 --- firmware/drivers/power.c | 225 ----------------------------------------------- 1 file changed, 225 deletions(-) delete mode 100644 firmware/drivers/power.c (limited to 'firmware/drivers/power.c') diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c deleted file mode 100644 index 17a3fecea1..0000000000 --- a/firmware/drivers/power.c +++ /dev/null @@ -1,225 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2002 by Linus Nielsen Feltzing - * - * 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 "config.h" -#include "cpu.h" -#include -#include "adc.h" -#include "kernel.h" -#include "system.h" -#include "power.h" -#include "logf.h" -#include "usb.h" -#include "backlight-target.h" - -#if CONFIG_CHARGING == CHARGING_CONTROL -bool charger_enabled; -#endif - - -#if CONFIG_TUNER - -static bool powered = false; - -bool tuner_powered(void) -{ - return powered; -} - -bool tuner_power(bool status) -{ - bool old_status = powered; - powered = status; -#ifdef HAVE_TUNER_PWR_CTRL - if (status) - { - and_b(~0x04, &PADRL); /* drive PA2 low for tuner enable */ - sleep(1); /* let the voltage settle */ - } - else - or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */ -#endif - return old_status; -} - -#endif /* #if CONFIG_TUNER */ - -#ifndef SIMULATOR - -void power_init(void) -{ -#ifdef HAVE_POWEROFF_ON_PB5 - PBCR2 &= ~0x0c00; /* GPIO for PB5 */ - or_b(0x20, &PBIORL); - or_b(0x20, &PBDRL); /* hold power */ -#if defined(HAVE_MMC) && !defined(HAVE_BACKLIGHT) - /* Disable backlight on backlight-modded Ondios when running - * a standard build (always on otherwise). */ - PACR1 &= ~0x3000; /* Set PA14 (backlight control) to GPIO */ - and_b(~0x40, &PADRH); /* drive it low */ - or_b(0x40, &PAIORH); /* ..and output */ -#endif -#endif -#if CONFIG_CHARGING == CHARGING_CONTROL - PBCR2 &= ~0x0c00; /* GPIO for PB5 */ - or_b(0x20, &PBIORL); /* Set charging control bit to output */ - charger_enable(false); /* Default to charger OFF */ -#endif -#ifdef HAVE_TUNER_PWR_CTRL - PACR2 &= ~0x0030; /* GPIO for PA2 */ - or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */ - or_b(0x04, &PAIORL); /* output for PA2 */ -#endif -} - -#if CONFIG_CHARGING -bool charger_inserted(void) -{ -#if CONFIG_CHARGING == CHARGING_CONTROL - /* Recorder */ - return adc_read(ADC_EXT_POWER) > 0x100; -#elif defined (HAVE_FMADC) - /* FM or V2, can also charge from the USB port */ - return (adc_read(ADC_CHARGE_REGULATOR) < 0x1FF); -#else - /* Player */ - return (PADR & 1) == 0; -#endif -} -#endif /* CONFIG_CHARGING */ - -#if CONFIG_CHARGING == CHARGING_CONTROL -void charger_enable(bool on) -{ - if(on) - { - and_b(~0x20, &PBDRL); - charger_enabled = 1; - } - else - { - or_b(0x20, &PBDRL); - charger_enabled = 0; - } -} -#endif - -#if CONFIG_CHARGING == CHARGING_MONITOR -/* Returns true if the unit is charging the batteries. */ -bool charging_state(void) { -#if CONFIG_BATTERY == BATT_LIION2200 - /* We use the information from the ADC_EXT_POWER ADC channel, which - tells us the charging current from the LTC1734. When DC is - connected (either via the external adapter, or via USB), we try - to determine if it is actively charging or only maintaining the - charge. My tests show that ADC readings below about 0x80 means - that the LTC1734 is only maintaining the charge. */ - return adc_read(ADC_EXT_POWER) >= 0x80; -#endif -} -#endif - -#ifndef HAVE_MMC -void ide_power_enable(bool on) -{ - (void)on; - - bool touched = false; -#ifdef NEEDS_ATA_POWER_ON - if(on) - { -#ifdef ATA_POWER_PLAYERSTYLE - or_b(0x10, &PBDRL); -#else - or_b(0x20, &PADRL); -#endif - touched = true; - } -#endif /* NEEDS_ATA_POWER_ON */ -#ifdef HAVE_ATA_POWER_OFF - if(!on) - { -#ifdef ATA_POWER_PLAYERSTYLE - and_b(~0x10, &PBDRL); -#else - and_b(~0x20, &PADRL); -#endif - touched = true; - } -#endif /* HAVE_ATA_POWER_OFF */ - -/* late port preparation, else problems with read/modify/write - of other bits on same port, while input and floating high */ - if (touched) - { -#ifdef ATA_POWER_PLAYERSTYLE - or_b(0x10, &PBIORL); /* PB4 is an output */ - PBCR2 &= ~0x0300; /* GPIO for PB4 */ -#else - or_b(0x20, &PAIORL); /* PA5 is an output */ - PACR2 &= 0xFBFF; /* GPIO for PA5 */ -#endif - } -} - - -bool ide_powered(void) -{ -#if defined(NEEDS_ATA_POWER_ON) || defined(HAVE_ATA_POWER_OFF) -#ifdef ATA_POWER_PLAYERSTYLE - /* This is not correct for very old players, since these are unable to - * control hd power. However, driving the pin doesn't hurt, because it - * is not connected anywhere */ - if ((PBCR2 & 0x0300) || !(PBIORL & 0x10)) /* not configured for output */ - return false; /* would be floating low, disk off */ - else - return (PBDRL & 0x10) != 0; -#else /* !ATA_POWER_PLAYERSTYLE */ - if ((PACR2 & 0x0400) || !(PAIORL & 0x20)) /* not configured for output */ - return true; /* would be floating high, disk on */ - else - return (PADRL & 0x20) != 0; -#endif /* !ATA_POWER_PLAYERSTYLE */ -#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */ - return true; /* pretend always powered if not controlable */ -#endif -} -#endif /* !HAVE_MMC */ - -void power_off(void) -{ - set_irq_level(HIGHEST_IRQ_LEVEL); -#ifdef HAVE_POWEROFF_ON_PBDR - and_b(~0x10, &PBDRL); - or_b(0x10, &PBIORL); -#elif defined(HAVE_POWEROFF_ON_PB5) -#if defined(HAVE_MMC) && defined(HAVE_BACKLIGHT) - /* Switch off the light on backlight-modded Ondios */ - __backlight_off(); -#endif - and_b(~0x20, &PBDRL); - or_b(0x20, &PBIORL); -#else /* player */ - and_b(~0x08, &PADRH); - or_b(0x08, &PAIORH); -#endif - while(1) - yield(); -} - -#endif /* SIMULATOR */ -- cgit v1.2.3