f34cd80f63
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20035 a1c6a512-1295-4272-9138-f99709370657
104 lines
2.6 KiB
C
Executable file
104 lines
2.6 KiB
C
Executable file
/***************************************************************************
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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 "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_VAL &= ~0x1000000;
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GPO32_ENABLE &= ~0x1000000;
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}
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void _backlight_off(void)
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{
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GPO32_VAL |= 0x1000000;
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GPO32_ENABLE |= 0x1000000;
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}
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#ifdef HAVE_BUTTON_LIGHT
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#define BUTTONLIGHT_MASK 0x7f
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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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static void set_buttonlight(int brightness)
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{
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int data[6];
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if (syn_get_status())
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{
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syn_int_enable(false);
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/* turn on all touchpad leds */
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data[0] = 0x05;
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data[1] = 0x31;
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data[2] = (brightness & 0xff) << 4;
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data[3] = 0x00;
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data[4] = 0x00;
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data[5] = BUTTONLIGHT_MASK;
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syn_send(data, 6);
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/* device responds with a single-byte ACK packet */
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syn_read(data, 2);
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syn_int_enable(true);
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}
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}
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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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set_buttonlight(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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set_buttonlight(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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buttonight_brightness = brightness - 1;
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set_buttonlight(buttonight_brightness);
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buttonlight_status = 1;
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}
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#endif
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