154 lines
4.1 KiB
C
154 lines
4.1 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (c) 2013 by Amaury Pouly
|
|
*
|
|
* 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 <sys/types.h> /* off_t */
|
|
#include <string.h>
|
|
#include "cpu.h"
|
|
#include "system.h"
|
|
#include "backlight-target.h"
|
|
#include "lcd.h"
|
|
#include "lcdif-imx233.h"
|
|
#include "clkctrl-imx233.h"
|
|
#include "pinctrl-imx233.h"
|
|
#include "dcp-imx233.h"
|
|
#include "logf.h"
|
|
#ifndef BOOTLOADER
|
|
#include "button.h"
|
|
#include "font.h"
|
|
#include "action.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_LCD_ENABLE
|
|
static bool lcd_on;
|
|
#endif
|
|
|
|
static void lcd_write_reg(uint16_t reg, uint16_t value)
|
|
{
|
|
imx233_lcdif_set_data_swizzle(3);
|
|
imx233_lcdif_pio_send(false, 2, ®);
|
|
if(reg != 0x22)
|
|
imx233_lcdif_pio_send(true, 2, &value);
|
|
}
|
|
|
|
void lcd_init_device(void)
|
|
{
|
|
/* clock at 24MHZ */
|
|
imx233_clkctrl_enable(CLK_PIX, false);
|
|
imx233_clkctrl_set_div(CLK_PIX, 3);
|
|
imx233_clkctrl_set_bypass(CLK_PIX, true); /* use XTAL */
|
|
imx233_clkctrl_enable(CLK_PIX, true);
|
|
imx233_lcdif_init();
|
|
imx233_lcdif_setup_system_pins(8);
|
|
imx233_lcdif_set_timings(2, 2, 2, 2);
|
|
imx233_lcdif_set_word_length(8);
|
|
|
|
lcd_write_reg(0, 1);
|
|
lcd_write_reg(3, 0);
|
|
|
|
lcd_write_reg(3, 0x510);
|
|
lcd_write_reg(9, 8);
|
|
lcd_write_reg(0xc, 0);
|
|
lcd_write_reg(0xd, 0);
|
|
lcd_write_reg(0xe, 0);
|
|
lcd_write_reg(0x5b, 4);
|
|
lcd_write_reg(0xd, 0x10);
|
|
lcd_write_reg(9, 0);
|
|
lcd_write_reg(3, 0x10);
|
|
lcd_write_reg(0xd, 0x14);
|
|
lcd_write_reg(0xe, 0x2b12);
|
|
lcd_write_reg(1, 0x21f);
|
|
lcd_write_reg(2, 0x700);
|
|
lcd_write_reg(5, 0x30);
|
|
lcd_write_reg(6, 0);
|
|
lcd_write_reg(8, 0x202);
|
|
lcd_write_reg(0xa, 0x3); // OF uses 0xc0003 with 3 transfers/pixels
|
|
lcd_write_reg(0xb, 0);
|
|
lcd_write_reg(0xf, 0);
|
|
lcd_write_reg(0x10, 0);
|
|
lcd_write_reg(0x11, 0);
|
|
lcd_write_reg(0x14, 0x9f00);
|
|
lcd_write_reg(0x15, 0x9f00);
|
|
lcd_write_reg(0x16, 0x7f00);
|
|
lcd_write_reg(0x17, 0x9f00);
|
|
lcd_write_reg(0x20, 0);
|
|
lcd_write_reg(0x21, 0);
|
|
lcd_write_reg(0x23, 0);
|
|
lcd_write_reg(0x24, 0);
|
|
lcd_write_reg(0x25, 0);
|
|
lcd_write_reg(0x26, 0);
|
|
lcd_write_reg(0x30, 0x707);
|
|
lcd_write_reg(0x31, 0x504);
|
|
lcd_write_reg(0x32, 7);
|
|
lcd_write_reg(0x33, 0x307);
|
|
lcd_write_reg(0x34, 7);
|
|
lcd_write_reg(0x35, 0x400);
|
|
lcd_write_reg(0x36, 0x607);
|
|
lcd_write_reg(0x37, 0x703);
|
|
lcd_write_reg(0x3a, 0x1a0d);
|
|
lcd_write_reg(0x3b, 0x1309);
|
|
|
|
lcd_write_reg(9, 4);
|
|
lcd_write_reg(7, 5);
|
|
lcd_write_reg(7, 0x25);
|
|
lcd_write_reg(7, 0x27);
|
|
lcd_write_reg(0x5b, 0);
|
|
lcd_write_reg(7, 0x37);
|
|
#ifdef HAVE_LCD_ENABLE
|
|
lcd_on = true;
|
|
#endif
|
|
}
|
|
|
|
#ifdef HAVE_LCD_ENABLE
|
|
bool lcd_active(void)
|
|
{
|
|
return lcd_on;
|
|
}
|
|
|
|
void lcd_enable(bool enable)
|
|
{
|
|
if(lcd_on == enable)
|
|
return;
|
|
|
|
lcd_on = enable;
|
|
if(enable)
|
|
send_event(LCD_EVENT_ACTIVATION, NULL);
|
|
}
|
|
#endif
|
|
|
|
void lcd_update(void)
|
|
{
|
|
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
|
|
}
|
|
|
|
void lcd_update_rect(int x, int y, int w, int h)
|
|
{
|
|
#ifdef HAVE_LCD_ENABLE
|
|
if(!lcd_on)
|
|
return;
|
|
#endif
|
|
|
|
imx233_lcdif_wait_ready();
|
|
lcd_write_reg(0x16, x | (x + w - 1) << 8);
|
|
lcd_write_reg(0x17, y | (y + h - 1) << 8);
|
|
lcd_write_reg(0x21, y * LCD_WIDTH + x);
|
|
lcd_write_reg(0x22, 0);
|
|
for(int yy = y; yy < y + h; yy++)
|
|
imx233_lcdif_pio_send(true, 2 * w, FBADDR(x, yy));
|
|
}
|