rockbox/firmware/target/arm/pbell/vibe500/backlight-vibe500.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
*
* Copyright (C) 2009 by Szymon Dziok
* Based on the Iriver H10 and the Philips HD1630 code.
*
* 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 "cpu.h"
#include "system.h"
#include "backlight.h"
#include "backlight-target.h"
#include "lcd.h"
#include "synaptics-mep.h"
void backlight_hw_on(void)
{
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd + visible display */
#endif
GPIO_SET_BITWISE(GPIOJ_OUTPUT_VAL, 0x01);
}
void backlight_hw_off(void)
{
GPIO_CLEAR_BITWISE(GPIOJ_OUTPUT_VAL, 0x01);
#ifdef HAVE_LCD_ENABLE
lcd_enable(false); /* power off visible display */
#endif
}
#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_hw_brightness(int brightness)
{
/* From PB Vibe Bootloader and OF */
DEV_INIT1&=0xFFFF3F3F;
DEV_INIT1+=0x4000;
DEV_EN |= 0x20000;
outl(0x80000000 | (brightness_vals[brightness-1] << 16), 0x7000a010);
}
#endif
#ifdef HAVE_BUTTON_LIGHT
static unsigned short buttonlight_status = 0;
void buttonlight_hw_on(void)
{
if (!buttonlight_status)
{
touchpad_set_parameter(0, 0x22, 0x000f); /* 0x22 - GPO_ENABLE */
buttonlight_status = 1;
}
}
void buttonlight_hw_off(void)
{
if (buttonlight_status)
{
touchpad_set_parameter(0, 0x22, 0x0000); /* 0x22 - GPO_ENABLE */
buttonlight_status = 0;
}
}
void buttonlight_hw_brightness(int brightness)
{
/* no brightness control, but lights stays on - for compatibility */
(void)brightness;
touchpad_set_parameter(0, 0x22, 0x000f); /* 0x22 - GPO_ENABLE */
buttonlight_status = 1;
}
#endif