58eb784a5d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19315 a1c6a512-1295-4272-9138-f99709370657
148 lines
3.8 KiB
C
148 lines
3.8 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) 2007 Dave Chapman
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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 "cpu.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 "pcf50606.h"
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#include "button-target.h"
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#include "tuner.h"
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void power_init(void)
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{
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unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
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/* Clear pending interrupts from pcf50606 */
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pcf50606_read_multiple(0x02, data, 3);
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/* Set outputs as per OF - further investigation required. */
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pcf50606_write(PCF5060X_DCDEC1, 0xe4);
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pcf50606_write(PCF5060X_IOREGC, 0xf5);
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pcf50606_write(PCF5060X_D1REGC1, 0xf5);
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pcf50606_write(PCF5060X_D2REGC1, 0xe9);
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pcf50606_write(PCF5060X_D3REGC1, 0xf8); /* WM8985 3.3v */
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pcf50606_write(PCF5060X_DCUDC1, 0xe7);
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pcf50606_write(PCF5060X_LPREGC1, 0x0);
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pcf50606_write(PCF5060X_LPREGC2, 0x2);
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#ifndef BOOTLOADER
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IEN |= EXT3_IRQ_MASK; /* Unmask EXT3 */
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#endif
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}
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void ide_power_enable(bool on)
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{
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(void)on;
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}
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bool ide_powered(void)
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{
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return true;
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}
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void power_off(void)
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{
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/* Forcibly cut power to SoC & peripherals by putting the PCF to sleep */
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pcf50606_write(PCF5060X_OOCC1, GOSTDBY | CHGWAK | EXTONWAK);
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}
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#ifndef BOOTLOADER
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void EXT3(void)
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{
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unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
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/* Clear pending interrupts from pcf50606 */
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pcf50606_read_multiple(0x02, data, 3);
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if (data[0] & 0x04)
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{
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/* ONKEY1S: don't reset the timeout, because we want a way to power off
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the player in the event of a crashed plugin or UIE/panic, etc. */
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#if 0
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/* ONKEY1S: reset timeout as we're using SW poweroff */
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pcf50606_write(0x08, pcf50606_read(0x08) | 0x02); /* OOCC1: TOTRST=1 */
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#endif
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}
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if (data[2] & 0x08)
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{
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/* Touchscreen event, do something about it */
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button_set_touch_available();
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}
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}
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#endif
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#if CONFIG_CHARGING
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unsigned int power_input_status(void)
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{
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return ((GPIOC & (1<<26)) == 0) ?
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POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
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}
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#endif
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#if CONFIG_TUNER
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/** Tuner **/
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static bool powered = false;
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bool tuner_power(bool status)
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{
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bool old_status;
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lv24020lp_lock();
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old_status = powered;
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if (status != old_status)
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{
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if (status)
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{
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/* When power up, host should initialize the 3-wire bus
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in host read mode: */
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/* 1. Set direction of the DATA-line to input-mode. */
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GPIOC_DIR &= ~(1 << 30);
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/* 2. Drive NR_W low */
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GPIOC_CLEAR = (1 << 31);
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GPIOC_DIR |= (1 << 31);
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/* 3. Drive CLOCK high */
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GPIOC_SET = (1 << 29);
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GPIOC_DIR |= (1 << 29);
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lv24020lp_power(true);
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}
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else
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{
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lv24020lp_power(false);
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/* set all as inputs */
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GPIOC_DIR &= ~((1 << 29) | (1 << 30) | (1 << 31));
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}
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powered = status;
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}
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lv24020lp_unlock();
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return old_status;
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}
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#endif /* CONFIG_TUNER */
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