a943e7485b
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30506 a1c6a512-1295-4272-9138-f99709370657
91 lines
2.9 KiB
C
91 lines
2.9 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: backlight-hdd.c 28307 2010-10-18 19:54:18Z b0hoon $
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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 "backlight-target.h"
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#include "system.h"
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#include "backlight.h"
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#include "synaptics-mep.h"
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#ifdef HAVE_BACKLIGHT_BRIGHTNESS
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static const int brightness_vals[16] =
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{255,237,219,201,183,165,147,130,112,94,76,58,40,22,5,0};
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void _backlight_set_brightness(int brightness)
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{
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outl(0x80000000 | (brightness_vals[brightness-1] << 16), 0x7000a000);
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}
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#endif
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void _backlight_on(void)
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{
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GPO32_ENABLE |= 0x400;
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GPO32_VAL |= 0x400;
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}
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void _backlight_off(void)
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{
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GPO32_ENABLE |= 0x400;
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GPO32_VAL &= ~0x400;
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}
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#ifdef HAVE_BUTTON_LIGHT
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#define BUTTONLIGHT_MASK 0x64
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static unsigned short buttonight_brightness = DEFAULT_BRIGHTNESS_SETTING - 1;
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static unsigned short buttonlight_status = 0;
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void _buttonlight_on(void)
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{
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if (!buttonlight_status)
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{
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/* enable 1 led (from 2) for MENU - GPO, module 1 */
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/* no need to enable led for the hidden button */
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touchpad_set_parameter(0x01,0x21,0x01);
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/* enable 3 leds (from 5) for PREV, PLAY and NEXT, */
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/* skip 2 leds because their light does not pass */
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/* through the panel anyway - on GPOs, module 0 */
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touchpad_set_parameter(0x00,0x22,0x15);
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/* left, right and the scrollstrip (1 led from 5) */
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touchpad_set_buttonlights(BUTTONLIGHT_MASK, buttonight_brightness);
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buttonlight_status = 1;
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}
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}
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void _buttonlight_off(void)
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{
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if (buttonlight_status)
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{
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/* disable all leds on GPOs for module 0 and 1 */
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touchpad_set_parameter(0x01,0x21,0x00);
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touchpad_set_parameter(0x00,0x22,0x00);
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touchpad_set_buttonlights(BUTTONLIGHT_MASK, 0);
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buttonlight_status = 0;
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}
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}
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void _buttonlight_set_brightness(int brightness)
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{
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touchpad_set_parameter(0x01,0x21,0x01);
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touchpad_set_parameter(0x00,0x22,0x15);
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buttonight_brightness = brightness - 1;
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touchpad_set_buttonlights(BUTTONLIGHT_MASK, buttonight_brightness);
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buttonlight_status = 1;
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}
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#endif
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