2cc85bc346
(FS#9484, by Denes Balatoni) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18784 a1c6a512-1295-4272-9138-f99709370657
303 lines
7 KiB
C
303 lines
7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Denes Balatoni
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "hwcompat.h"
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#include "kernel.h"
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#include "lcd.h"
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#include "system.h"
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#include "cpu.h"
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#include "inttypes.h"
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#include "s5l8700.h"
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/*** definitions ***/
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/** globals **/
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static uint8_t lcd_type;
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static int xoffset; /* needed for flip */
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/*** hardware configuration ***/
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int lcd_default_contrast(void)
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{
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return 0x1f;
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}
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void lcd_set_contrast(int val)
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{
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}
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void lcd_set_invert_display(bool yesno)
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{
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}
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/* turn the display upside down (call lcd_update() afterwards) */
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void lcd_set_flip(bool yesno)
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{
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/* TODO: flip mode isn't working. The commands in the else part of
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this function are how the original firmware inits the LCD */
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if (yesno)
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{
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xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 128 we have */
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}
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else
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{
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xoffset = 0;
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}
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}
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static void lcd_sleep(uint32_t t)
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{
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volatile uint32_t i;
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for(i=0;i<t;++i) t=t;
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}
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static uint8_t lcd_readdata()
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{
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LCD_RDATA = 0;
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lcd_sleep(64);
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return (LCD_DBUFF/* & 0xff*/);
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}
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static void lcd_writereg(uint32_t reg, uint32_t data)
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{
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LCD_WCMD = reg >> 8;
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LCD_WCMD = reg & 0xff;
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LCD_WDATA = data >> 8;
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LCD_WDATA = data & 0xff;
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}
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void lcd_on() {
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if (lcd_type == 1) {
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LCD_WCMD = 0x29;
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} else {
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lcd_writereg(0x7, 0x21);
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lcd_writereg(0x12, 0x137);
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lcd_sleep(70000);
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lcd_writereg(0x7, 0x21);
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lcd_writereg(0x12, 0x1137);
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lcd_sleep(700000);
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lcd_writereg(0x7, 0x233);
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}
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}
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void lcd_off() {
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/* FIXME wait for DMA to finnish */
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if (lcd_type == 1) {
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LCD_WCMD = 0x28;
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LCD_WDATA = 0;
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} else {
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}
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}
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/* LCD init */
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void lcd_init_device(void)
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{
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uint8_t data[5];
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/* init basic things */
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PWRCON &= ~0x800;
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PCON_ASRAM = 0x2;
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PCON7 = 0x12222233;
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LCD_CON = 0xca0;
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LCD_PHTIME = 0;
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LCD_INTCON = 0;
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LCD_RST_TIME = 0x7ff;
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/* detect lcd type */
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LCD_WCMD = 0x1;
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lcd_sleep(166670);
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LCD_WCMD = 0x11;
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lcd_sleep(2000040);
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lcd_readdata();
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LCD_WCMD = 0x4;
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lcd_sleep(100);
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data[0]=lcd_readdata();
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data[1]=lcd_readdata();
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data[2]=lcd_readdata();
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data[3]=lcd_readdata();
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data[4]=lcd_readdata();
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lcd_type=0;
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if (((data[1]==0x38) && ((data[2] & 0xf0) == 0x80)) ||
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((data[2]==0x38) && ((data[3] & 0xf0) == 0x80)))
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lcd_type=1;
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/* init lcd */
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if (lcd_type == 1) {
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LCD_WCMD = 0x3a;
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LCD_WDATA = 0x6;
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LCD_WCMD = 0xab;
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LCD_WCMD = 0x35;
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LCD_WDATA = 0;
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LCD_WCMD=0x13;
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LCD_WCMD = 0x2a;
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LCD_WDATA = 0;
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LCD_WDATA = 0;
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LCD_WCMD = 0x2b;
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LCD_WDATA = 0;
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LCD_WDATA = 0;
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LCD_WCMD = 0x29;
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} else {
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LCD_WCMD = 0x0;
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LCD_WCMD = 0x0;
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LCD_WCMD = 0x0;
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LCD_WCMD = 0x0;
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lcd_sleep(700000);
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lcd_writereg(0xa4, 0x1);
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lcd_sleep(1100000);
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lcd_writereg(0x1, 0x100);
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lcd_writereg(0x2, 0x300);
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lcd_writereg(0x3, 0x9230);
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lcd_writereg(0x8, 0x404);
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lcd_writereg(0xe, 0x10);
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lcd_writereg(0x70, 0x1000);
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lcd_writereg(0x71, 0x1);
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lcd_writereg(0x30, 0x2);
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lcd_writereg(0x31, 0x400);
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lcd_writereg(0x32, 0x7);
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lcd_writereg(0x33, 0x500);
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lcd_writereg(0x34, 0x7);
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lcd_writereg(0x35, 0x703);
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lcd_writereg(0x36, 0x507);
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lcd_writereg(0x37, 0x5);
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lcd_writereg(0x38, 0x1404);
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lcd_writereg(0x39, 0xe);
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lcd_writereg(0x40, 0x202);
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lcd_writereg(0x41, 0x3);
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lcd_writereg(0x42, 0x0);
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lcd_writereg(0x43, 0x200);
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lcd_writereg(0x44, 0x707);
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lcd_writereg(0x45, 0x407);
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lcd_writereg(0x46, 0x505);
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lcd_writereg(0x47, 0x2);
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lcd_writereg(0x48, 0x4);
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lcd_writereg(0x49, 0x4);
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lcd_writereg(0x60, 0x202);
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lcd_writereg(0x61, 0x3);
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lcd_writereg(0x62, 0x0);
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lcd_writereg(0x63, 0x200);
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lcd_writereg(0x64, 0x707);
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lcd_writereg(0x65, 0x407);
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lcd_writereg(0x66, 0x505);
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lcd_writereg(0x67, 0x2);
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lcd_writereg(0x68, 0x4);
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lcd_writereg(0x69, 0x4);
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lcd_writereg(0x7, 0x1);
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lcd_writereg(0x18, 0x1);
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lcd_writereg(0x10, 0x1690);
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lcd_writereg(0x11, 0x100);
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lcd_writereg(0x12, 0x117);
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lcd_writereg(0x13, 0xf80);
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lcd_writereg(0x12, 0x137);
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lcd_writereg(0x20, 0x0);
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lcd_writereg(0x21, 0x0);
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lcd_writereg(0x50, 0x0);
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lcd_writereg(0x51, 0xaf);
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lcd_writereg(0x52, 0x0);
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lcd_writereg(0x53, 0x83);
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lcd_writereg(0x90, 0x0);
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lcd_writereg(0x91, 0x0);
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lcd_writereg(0x92, 0x0);
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lcd_writereg(0x98, 0x0);
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lcd_writereg(0x99, 0x903);
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lcd_writereg(0x9a, 0x502);
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lcd_writereg(0x9b, 0x300);
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LCD_WCMD = 0x0;
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LCD_WCMD = 0x22;
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lcd_sleep(700000);
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lcd_on();
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}
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}
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/*** Update functions ***/
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/* Performance function that works with an external buffer
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note that by and bheight are in 8-pixel units! */
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void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
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int bheight, int stride)
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{
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/* Copy display bitmap to hardware */
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while (bheight--)
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{
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}
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}
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/* Performance function that works with an external buffer
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note that by and bheight are in 8-pixel units! */
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void lcd_blit_grey_phase_blit(unsigned char *values, unsigned char *phases,
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int x, int by, int width, int bheight, int stride)
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{
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(void)values;
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(void)phases;
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(void)x;
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(void)by;
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(void)width;
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(void)bheight;
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(void)stride;
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}
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/* Update the display.
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This must be called after all other LCD functions that change the display. */
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void lcd_update(void) ICODE_ATTR;
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void lcd_update(void)
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{
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int i;
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fb_data *p;
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/* Copy display bitmap to hardware */
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if (lcd_type == 1) {
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LCD_WCMD = 0x2a;
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LCD_WDATA = 0;
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LCD_WDATA = 0;
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LCD_WDATA = 0;
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LCD_WDATA = 0xaf;
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LCD_WCMD = 0x2b;
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LCD_WDATA = 0;
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LCD_WDATA = 0;
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LCD_WDATA = 0;
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LCD_WDATA = 0x83;
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LCD_WCMD = 0x2c;
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} else {
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lcd_writereg(0x20, 0x0);
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lcd_writereg(0x21, 0x0);
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LCD_WCMD = 0;
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LCD_WCMD = 0x22;
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}
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for(p=&lcd_framebuffer[0][0], i=0;i<LCD_WIDTH*LCD_FBHEIGHT;++i, ++p) {
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LCD_WDATA = RGB_UNPACK_RED(*p)<<3;
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LCD_WDATA = RGB_UNPACK_GREEN(*p)<<2;
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LCD_WDATA = RGB_UNPACK_BLUE(*p)<<3;
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lcd_sleep(3); /* if data is sent too fast to lcdif, machine freezes */
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}
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}
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/* Update a fraction of the display. */
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void lcd_update_rect(int, int, int, int) ICODE_ATTR;
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void lcd_update_rect(int x, int y, int width, int height)
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{
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lcd_update();
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}
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