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Diffstat (limited to 'firmware/target/arm/philips/backlight-hdd.c')
-rw-r--r--firmware/target/arm/philips/backlight-hdd.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/firmware/target/arm/philips/backlight-hdd.c b/firmware/target/arm/philips/backlight-hdd.c
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Mark Arigo
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#include "config.h"
22#include "backlight-target.h"
23#include "system.h"
24#include "backlight.h"
25#include "synaptics-mep.h"
26
27#ifdef HAVE_BACKLIGHT_BRIGHTNESS
28static const int brightness_vals[16] =
29 {255,237,219,201,183,165,147,130,112,94,76,58,40,22,5,0};
30
31void _backlight_set_brightness(int brightness)
32{
33 outl(0x80000000 | (brightness_vals[brightness-1] << 16), 0x7000a000);
34}
35#endif
36
37void _backlight_on(void)
38{
39 GPO32_VAL &= ~0x1000000;
40 GPO32_ENABLE &= ~0x1000000;
41}
42
43void _backlight_off(void)
44{
45 GPO32_VAL |= 0x1000000;
46 GPO32_ENABLE |= 0x1000000;
47}
48
49#ifdef HAVE_BUTTON_LIGHT
50#define BUTTONLIGHT_MASK 0x7f
51static unsigned short buttonight_brightness = DEFAULT_BRIGHTNESS_SETTING - 1;
52static unsigned short buttonlight_status = 0;
53
54void _buttonlight_on(void)
55{
56 if (!buttonlight_status)
57 {
58 touchpad_set_buttonlights(BUTTONLIGHT_MASK, buttonight_brightness);
59 buttonlight_status = 1;
60 }
61}
62
63void _buttonlight_off(void)
64{
65 if (buttonlight_status)
66 {
67 touchpad_set_buttonlights(BUTTONLIGHT_MASK, 0);
68 buttonlight_status = 0;
69 }
70}
71
72void _buttonlight_set_brightness(int brightness)
73{
74 buttonight_brightness = brightness - 1;
75 touchpad_set_buttonlights(BUTTONLIGHT_MASK, buttonight_brightness);
76 buttonlight_status = 1;
77}
78#endif