1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2002 by Linus Nielsen Feltzing
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.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
34 #include "backlight.h"
35 #include "backlight-target.h"
37 void _backlight_on(void)
40 outl(0x80000000 | (0xff << 16), 0x7000a010);
42 /* set port b bit 3 on */
43 GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL
, 0x08);
46 void _backlight_off(void)
48 /* fades backlight off on 4g */
49 GPO32_ENABLE
&= ~0x2000000;
50 outl(0x80000000, 0x7000a010);
53 bool _backlight_init(void)
55 GPIOB_ENABLE
|= 0x4; /* B02 enable */
56 GPIOB_ENABLE
|= 0x8; /* B03 enable */
57 GPO32_ENABLE
|= 0x2000000; /* D01 enable */
58 GPO32_VAL
|= 0x2000000; /* D01 =1 */
59 DEV_EN
|= DEV_PWM
; /* PWM enable */