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lcd now shows things on the old-style Meizu M3.

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It needs to be re-tested on the new-style, colours are wrong, and timing loops need to be reviewed



git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18740 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2008-10-07 21:12:03 +00:00
parent dd7cacdc88
commit 68d9fb95de
2 changed files with 118 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

119
firmware/target/arm/s5l8700/meizu-m3/lcd-m3.c
View file

@ -7,7 +7,7 @@
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
* Copyright (C) 2008 by Denes Balatoni
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -66,23 +66,38 @@ void lcd_set_flip(bool yesno)
}
}
static void lcd_sleep(uint32_t t) {
uint32_t i;
static void lcd_sleep(uint32_t t)
{
volatile uint32_t i;
for(i=0;i<t;++i) t=t;
}
static uint8_t lcd_readdata() {
static uint8_t lcd_readdata()
{
LCD_RDATA = 0;
lcd_sleep(64);
return (LCD_DBUFF/* & 0xff*/);
}
static void lcd_writereg(uint32_t reg, uint32_t data)
{
LCD_WCMD = reg >> 8;
LCD_WCMD = reg & 0xff;
LCD_WDATA = data >> 8;
LCD_WDATA = data & 0xff;
}
void lcd_on() {
if (lcd_type == 1) {
LCD_WCMD = 0x29;
} else {
lcd_writereg(0x7, 0x21);
lcd_writereg(0x12, 0x137);
lcd_sleep(70000);
lcd_writereg(0x7, 0x21);
lcd_writereg(0x12, 0x1137);
lcd_sleep(70000);
lcd_writereg(0x7, 0x233);
}
}
@ -113,9 +128,9 @@ void lcd_init_device(void)
/* detect lcd type */
LCD_WCMD = 0x1;
lcd_sleep(166670);
lcd_sleep(16667);
LCD_WCMD = 0x11;
lcd_sleep(2000040);
lcd_sleep(20000);
lcd_readdata();
LCD_WCMD = 0x4;
lcd_sleep(100);
@ -146,7 +161,74 @@ void lcd_init_device(void)
LCD_WDATA = 0;
LCD_WCMD = 0x29;
} else {
LCD_WCMD = 0x0;
LCD_WCMD = 0x0;
LCD_WCMD = 0x0;
LCD_WCMD = 0x0;
lcd_sleep(7000);
lcd_writereg(0xa4, 0x1);
lcd_sleep(11000);
lcd_writereg(0x1, 0x100);
lcd_writereg(0x2, 0x300);
lcd_writereg(0x3, 0x9230);
lcd_writereg(0x8, 0x404);
lcd_writereg(0xe, 0x10);
lcd_writereg(0x70, 0x1000);
lcd_writereg(0x71, 0x1);
lcd_writereg(0x30, 0x2);
lcd_writereg(0x31, 0x400);
lcd_writereg(0x32, 0x7);
lcd_writereg(0x33, 0x500);
lcd_writereg(0x34, 0x7);
lcd_writereg(0x35, 0x703);
lcd_writereg(0x36, 0x507);
lcd_writereg(0x37, 0x5);
lcd_writereg(0x38, 0x1404);
lcd_writereg(0x39, 0xe);
lcd_writereg(0x40, 0x202);
lcd_writereg(0x41, 0x3);
lcd_writereg(0x42, 0x0);
lcd_writereg(0x43, 0x200);
lcd_writereg(0x44, 0x707);
lcd_writereg(0x45, 0x407);
lcd_writereg(0x46, 0x505);
lcd_writereg(0x47, 0x2);
lcd_writereg(0x48, 0x4);
lcd_writereg(0x49, 0x4);
lcd_writereg(0x60, 0x202);
lcd_writereg(0x61, 0x3);
lcd_writereg(0x62, 0x0);
lcd_writereg(0x63, 0x200);
lcd_writereg(0x64, 0x707);
lcd_writereg(0x65, 0x407);
lcd_writereg(0x66, 0x505);
lcd_writereg(0x67, 0x2);
lcd_writereg(0x68, 0x4);
lcd_writereg(0x69, 0x4);
lcd_writereg(0x7, 0x1);
lcd_writereg(0x18, 0x1);
lcd_writereg(0x10, 0x1690);
lcd_writereg(0x11, 0x100);
lcd_writereg(0x12, 0x117);
lcd_writereg(0x13, 0xf80);
lcd_writereg(0x12, 0x137);
lcd_writereg(0x20, 0x0);
lcd_writereg(0x21, 0x0);
lcd_writereg(0x50, 0x0);
lcd_writereg(0x51, 0xaf);
lcd_writereg(0x52, 0x0);
lcd_writereg(0x53, 0x83);
lcd_writereg(0x90, 0x0);
lcd_writereg(0x91, 0x0);
lcd_writereg(0x92, 0x0);
lcd_writereg(0x98, 0x0);
lcd_writereg(0x99, 0x903);
lcd_writereg(0x9a, 0x502);
lcd_writereg(0x9b, 0x300);
LCD_WCMD = 0x0;
LCD_WCMD = 0x22;
lcd_sleep(7000);
lcd_on();
}
}
@ -199,15 +281,18 @@ void lcd_update(void)
LCD_WDATA = 0;
LCD_WDATA = 0x83;
LCD_WCMD = 0x2c;
for(p=&lcd_framebuffer[0][0], i=0;i<LCD_WIDTH*LCD_FBHEIGHT;++i, ++p) {
LCD_WDATA = RGB_UNPACK_RED(*p)<<3;
LCD_WDATA = RGB_UNPACK_GREEN(*p)<<2;
LCD_WDATA = RGB_UNPACK_BLUE(*p)<<3;
lcd_sleep(1); /* if data is sent too fast to lcdif, machine freezes */
}
} else {
}
lcd_writereg(0x20, 0x0);
lcd_writereg(0x21, 0x0);
LCD_WCMD = 0;
LCD_WCMD = 0x22;
}
for(p=&lcd_framebuffer[0][0], i=0;i<LCD_WIDTH*LCD_FBHEIGHT;++i, ++p) {
LCD_WDATA = RGB_UNPACK_RED(*p)<<3;
LCD_WDATA = RGB_UNPACK_GREEN(*p)<<2;
LCD_WDATA = RGB_UNPACK_BLUE(*p)<<3;
lcd_sleep(1); /* if data is sent too fast to lcdif, machine freezes */
}
}
/* Update a fraction of the display. */