009733c51d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21901 a1c6a512-1295-4272-9138-f99709370657
118 lines
3.1 KiB
C
118 lines
3.1 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) 2006 by Daniel Ankers
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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 <stdbool.h>
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#include "system.h"
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#include "cpu.h"
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#include "ascodec.h"
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#include "as3514.h"
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#include "power.h"
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#include "synaptics-mep.h"
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#include "lcd.h"
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#include "logf.h"
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void power_init(void)
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{
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#ifndef BOOTLOADER
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/* Power on and initialize the touchpad here because we need it for
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both buttons and button lights */
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DEV_INIT2 &= ~0x800;
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char byte = ascodec_read(AS3514_CVDD_DCDC3);
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byte = (byte & ~0x18) | 0x08;
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ascodec_write(AS3514_CVDD_DCDC3, byte);
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/* LEDs for REW, FFWD, MENU */
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GPIOD_ENABLE |= (0x40 | 0x20 | 0x04);
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GPIOD_OUTPUT_VAL |= (0x40 | 0x20 | 0x04);
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GPIOD_OUTPUT_EN |= (0x40 | 0x20 | 0x04);
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udelay(20000);
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GPIOL_ENABLE |= 0x10;
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GPIOL_OUTPUT_VAL &= ~0x10;
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GPIOL_OUTPUT_EN |= 0x10;
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udelay(100000);
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/* enable DATA, ACK, CLK lines */
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GPIOD_ENABLE |= (0x10 | 0x08 | 0x02);
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GPIOD_OUTPUT_EN |= 0x08; /* ACK */
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GPIOD_OUTPUT_VAL |= 0x08; /* high */
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GPIOD_OUTPUT_EN &= ~0x02; /* CLK */
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GPIOD_OUTPUT_EN |= 0x10; /* DATA */
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GPIOD_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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#endif
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}
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void power_off(void)
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{
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char byte;
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/* Backlight off */
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ascodec_write(AS3514_DCDC15, 0);
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#ifdef HAVE_LCD_SLEEP
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/* LCD off/sleep (otherwise the image slowly fades out) */
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lcd_sleep();
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#endif
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/* Send shutdown command to PMU */
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byte = ascodec_read(AS3514_SYSTEM);
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byte &= ~0x1;
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ascodec_write(AS3514_SYSTEM, byte);
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/* Stop interrupts on both cores */
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disable_interrupt(IRQ_FIQ_STATUS);
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COP_INT_DIS = -1;
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CPU_INT_DIS = -1;
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/* Halt everything and wait for device to power off */
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while (1)
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{
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COP_CTL = 0x40000000;
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CPU_CTL = 0x40000000;
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}
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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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/* GPIOF indicates that the connector is present,
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GPIOB indicates that there's power there too.
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Same status bits for both USB and the charger. */
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if (!(GPIOF_INPUT_VAL & 0x80) && (GPIOB_INPUT_VAL & 0x40))
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status = POWER_INPUT_MAIN_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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(void)on;
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}
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