rockbox/firmware/target/arm/philips/backlight-hdd.c
Szymon Dziok b88efd11c2 HDD6330: Patch to enable/disable backlight.
Flyspray FS#11462
Author: David Fowle


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28307 a1c6a512-1295-4272-9138-f99709370657
2010-10-18 19:54:18 +00:00

106 lines
3.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Mark Arigo
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "backlight-target.h"
#include "system.h"
#include "backlight.h"
#include "synaptics-mep.h"
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
static const int brightness_vals[16] =
{255,237,219,201,183,165,147,130,112,94,76,58,40,22,5,0};
void _backlight_set_brightness(int brightness)
{
outl(0x80000000 | (brightness_vals[brightness-1] << 16), 0x7000a000);
}
#endif
void _backlight_on(void)
{
#if defined(PHILIPS_HDD6330)
GPO32_ENABLE |= 0x400;
GPO32_VAL |= 0x400;
#else
GPO32_VAL &= ~0x1000000;
GPO32_ENABLE &= ~0x1000000;
#endif
}
void _backlight_off(void)
{
#if defined(PHILIPS_HDD6330)
GPO32_ENABLE |= 0x400;
GPO32_VAL &= ~0x400;
#else
GPO32_VAL |= 0x1000000;
GPO32_ENABLE |= 0x1000000;
#endif
}
#ifdef HAVE_BUTTON_LIGHT
#define BUTTONLIGHT_MASK 0x7f
static unsigned short buttonight_brightness = DEFAULT_BRIGHTNESS_SETTING - 1;
static unsigned short buttonlight_status = 0;
void _buttonlight_on(void)
{
if (!buttonlight_status)
{
#if defined(PHILIPS_HDD6330)
/* enable 3 leds (from 5) for PREV, PLAY and NEXT, */
/* skip 2 leds because their light does not pass */
/* through the panel anyway - on GPOs, module 0 */
touchpad_set_parameter(0x00,0x22,0x15);
/* enable 1 led (from 2) for MENU - GPO, module 1 */
/* no need to enable led for the hidden button */
touchpad_set_parameter(0x01,0x21,0x01);
#endif
touchpad_set_buttonlights(BUTTONLIGHT_MASK, buttonight_brightness);
buttonlight_status = 1;
}
}
void _buttonlight_off(void)
{
if (buttonlight_status)
{
#if defined(PHILIPS_HDD6330)
/* disable all leds on GPOs for module 0 and 1 */
touchpad_set_parameter(0x00,0x22,0x00);
touchpad_set_parameter(0x01,0x21,0x00);
#endif
touchpad_set_buttonlights(BUTTONLIGHT_MASK, 0);
buttonlight_status = 0;
}
}
void _buttonlight_set_brightness(int brightness)
{
#if defined(PHILIPS_HDD6330)
touchpad_set_parameter(0x00,0x22,0x15);
touchpad_set_parameter(0x01,0x21,0x01);
#endif
buttonight_brightness = brightness - 1;
touchpad_set_buttonlights(BUTTONLIGHT_MASK, buttonight_brightness);
buttonlight_status = 1;
}
#endif