89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||
|
|
* \/ \/ \/ \/ \/
|
||
|
|
* $Id$
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008 by Dave Chapman
|
||
|
|
*
|
||
|
|
* LCD driver for the Sansa Fuze - controller unknown
|
||
|
|
*
|
||
|
|
* 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 "lcd.h"
|
||
|
|
#include "system.h"
|
||
|
|
#include "clock-target.h"
|
||
|
|
#include "dbop-as3525.h"
|
||
|
|
#include "lcd-fuze.h"
|
||
|
|
|
||
|
|
void lcd_write_cmd(int16_t cmd)
|
||
|
|
{
|
||
|
|
/* Write register */
|
||
|
|
DBOP_TIMPOL_23 = 0xa167006e;
|
||
|
|
dbop_write_data(&cmd, 1);
|
||
|
|
|
||
|
|
int delay = 4;
|
||
|
|
do {
|
||
|
|
nop;
|
||
|
|
} while(delay--);
|
||
|
|
|
||
|
|
DBOP_TIMPOL_23 = 0xa167e06f;
|
||
|
|
}
|
||
|
|
|
||
|
|
void lcd_write_reg(int reg, int value)
|
||
|
|
{
|
||
|
|
int16_t data = value;
|
||
|
|
|
||
|
|
lcd_write_cmd(reg);
|
||
|
|
dbop_write_data(&data, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void as3525_dbop_init(void)
|
||
|
|
{
|
||
|
|
CGU_DBOP = (1<<3) | AS3525_DBOP_DIV;
|
||
|
|
|
||
|
|
DBOP_TIMPOL_01 = 0xe167e167;
|
||
|
|
DBOP_TIMPOL_23 = 0xe167006e;
|
||
|
|
|
||
|
|
/* short count: 16 | output data width: 16 | readstrobe line */
|
||
|
|
DBOP_CTRL = (1<<18|1<<12|1<<3);
|
||
|
|
|
||
|
|
GPIOB_AFSEL = 0xfc;
|
||
|
|
GPIOC_AFSEL = 0xff;
|
||
|
|
|
||
|
|
DBOP_TIMPOL_23 = 0x6000e;
|
||
|
|
|
||
|
|
/* short count: 16|enable write|output data width: 16|read strobe line */
|
||
|
|
DBOP_CTRL = (1<<18|1<<16|1<<12|1<<3);
|
||
|
|
DBOP_TIMPOL_01 = 0x6e167;
|
||
|
|
DBOP_TIMPOL_23 = 0xa167e06f;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void lcd_init_device(void)
|
||
|
|
{
|
||
|
|
as3525_dbop_init();
|
||
|
|
|
||
|
|
GPIOA_DIR |= (1<<5|1<<4|1<<3);
|
||
|
|
GPIOA_PIN(5) = 0;
|
||
|
|
GPIOA_PIN(3) = (1<<3);
|
||
|
|
GPIOA_PIN(4) = 0;
|
||
|
|
GPIOA_PIN(5) = (1<<5);
|
||
|
|
|
||
|
|
fuze_display_on();
|
||
|
|
}
|