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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 François Dinel
* Copyright (C) 2008-2009 Rafaël Carré
*
* 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 "lcd.h"
#include "lcd-clip.h"
#include "system.h"
#include "cpu.h"
void lcd_hw_init(int *offset)
{
/* DBOP initialisation, do what OF does */
CCU_IO |= (1<<12); /* ?? */
CGU_DBOP |= /*(1<<3)*/ 0x18 | AS3525_DBOP_DIV;
DBOP_CTRL = 0x51004;
DBOP_TIMPOL_01 = 0x36A12F;
DBOP_TIMPOL_23 = 0xE037E037;
GPIOB_DIR |= (1<<2)|(1<<5);
GPIOB_PIN(5) = (1<<5);
*offset = 2;
}
#define LCD_DELAY 10
void lcd_write_command(int byte)
{
volatile int i = 0;
while(i<LCD_DELAY) i++;
/* unset D/C# (data or command) */
GPIOB_PIN(2) = 0;
DBOP_TIMPOL_23 = 0xE0370036;
/* Write command */
DBOP_DOUT8 = byte;
/* While push fifo is not empty */
while ((DBOP_STAT & (1<<10)) == 0)
;
DBOP_TIMPOL_23 = 0xE037E037;
}
void lcd_write_data(const fb_data* p_bytes, int count)
{
volatile int i = 0;
while(i<LCD_DELAY) i++;
/* set D/C# (data or command) */
GPIOB_PIN(2) = (1<<2);
while (count--)
{
/* Write pixels */
DBOP_DOUT8 = *p_bytes;
p_bytes++; /* next packed pixels */
/* Wait if push fifo is full */
while ((DBOP_STAT & (1<<6)) != 0);
}
/* While push fifo is not empty */
while ((DBOP_STAT & (1<<10)) == 0);
}
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