148 lines
3.5 KiB
C
148 lines
3.5 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) 2008 by Mark Arigo
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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 "backlight-target.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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/* power off bit */
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GPIOB_ENABLE |= 0x80;
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GPIOB_OUTPUT_VAL |= 0x80;
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GPIOB_OUTPUT_EN |= 0x80;
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/* charger inserted bit */
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GPIOE_ENABLE |= 0x20;
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GPIOE_INPUT_VAL |= 0x20;
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#if CONFIG_TUNER
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/* fm antenna? */
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GPIOE_ENABLE |= 0x40;
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GPIOE_OUTPUT_EN |= 0x40;
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GPIOE_OUTPUT_VAL &= ~0x40; /* off */
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#endif
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#ifndef BOOTLOADER
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/* enable touchpad here because we need it for
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both buttons and button lights */
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GPO32_ENABLE |= 0x80;
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GPO32_VAL &= ~0x80;
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udelay(1000);
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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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#if defined(PHILIPS_HDD6330)
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/* reduce transmission overhead */
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touchpad_set_parameter(0,0x21,0x0008);
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/* set GPO_LEVELS = 0 - for the buttonlights */
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touchpad_set_parameter(0,0x23,0x0000);
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touchpad_set_parameter(1,0x22,0x0000);
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#endif
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#endif
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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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/* AC charger */
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if (GPIOE_INPUT_VAL & 0x20)
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status |= POWER_INPUT_MAIN_CHARGER;
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if (GPIOE_INPUT_VAL & 0x4)
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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 defined(PHILIPS_HDD6330)
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if (on)
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{
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GPIO_SET_BITWISE(GPIOC_OUTPUT_VAL, 0x08);
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DEV_EN |= DEV_IDE0;
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}
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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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#else
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(void)on;
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/* We do nothing */
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#endif
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}
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bool ide_powered(void)
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{
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#if defined(PHILIPS_HDD6330)
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return ((GPIOC_INPUT_VAL & 0x08) != 0);
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#else
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/* pretend we are always powered - we don't turn it off */
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return true;
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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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backlight_hw_off();
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sleep(HZ/10);
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/* power off bit */
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GPIOB_ENABLE |= 0x80;
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GPIOB_OUTPUT_VAL &= ~0x80;
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GPIOB_OUTPUT_EN |= 0x80;
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}
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#if CONFIG_TUNER
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bool tuner_power(bool status)
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{
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if (status)
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GPIOE_OUTPUT_VAL |= 0x40;
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else
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GPIOE_OUTPUT_VAL &= ~0x40;
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return status;
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}
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#endif
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