/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * 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 * 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 "hwcompat.h" #include "kernel.h" #include "lcd.h" #include "system.h" #include "cpu.h" #include "inttypes.h" #include "s5l8700.h" /*** definitions ***/ #define STAT_BUS_IDLE (1<<8) /* Data bus idle */ #define STAT_FULL (1<<4) /* FIFO full */ #define STAT_READON (1<<0) /* Read operation done */ /** globals **/ static uint8_t lcd_type; static int xoffset; /* needed for flip */ /*** hardware configuration ***/ int lcd_default_contrast(void) { return 0x1f; } void lcd_set_contrast(int val) { } void lcd_set_invert_display(bool yesno) { } /* turn the display upside down (call lcd_update() afterwards) */ void lcd_set_flip(bool yesno) { /* TODO: flip mode isn't working. The commands in the else part of this function are how the original firmware inits the LCD */ if (yesno) { xoffset = 132 - LCD_WIDTH; /* 132 colums minus the 128 we have */ } else { xoffset = 0; } } static void lcd_sleep(uint32_t t) { volatile uint32_t i; for(i=0;i> 8; while (LCD_STATUS & STAT_FULL); LCD_WCMD = reg & 0xff; while (LCD_STATUS & STAT_FULL); LCD_WDATA = data >> 8; while (LCD_STATUS & STAT_FULL); LCD_WDATA = data & 0xff; } void lcd_on(void) { 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(700000); lcd_writereg(0x7, 0x233); } } void lcd_off(void) { /* FIXME wait for DMA to finnish */ if (lcd_type == 1) { LCD_WCMD = 0x28; LCD_WDATA = 0; } else { } } /* LCD init */ void lcd_init_device(void) { uint8_t data[5]; int i; /* init basic things */ PWRCON &= ~0x800; PCON_ASRAM = 0x2; PCON7 = 0x12222233; LCD_CON = 0xca0; LCD_PHTIME = 0; LCD_INTCON = 0; LCD_RST_TIME = 0x7ff; /* detect lcd type, it's not detected the first time for some reason */ for(i=0;i<3;++i) { LCD_WCMD = 0x1; lcd_sleep(166670); LCD_WCMD = 0x11; lcd_sleep(2000040); lcd_readdata(); LCD_WCMD = 0x4; lcd_sleep(100); data[0]=lcd_readdata(); data[1]=lcd_readdata(); data[2]=lcd_readdata(); data[3]=lcd_readdata(); data[4]=lcd_readdata(); lcd_type=0; if (((data[1]==0x38) && ((data[2] & 0xf0) == 0x80)) || ((data[2]==0x38) && ((data[3] & 0xf0) == 0x80))) lcd_type=1; } /* init lcd */ if (lcd_type == 1) { LCD_WCMD = 0x3a; LCD_WDATA = 0x6; LCD_WCMD = 0xab; LCD_WCMD = 0x35; LCD_WDATA = 0; LCD_WCMD=0x13; LCD_WCMD = 0x2a; LCD_WDATA = 0; LCD_WDATA = 0; LCD_WCMD = 0x2b; LCD_WDATA = 0; LCD_WDATA = 0; LCD_WCMD = 0x29; } else { LCD_WCMD = 0x0; LCD_WCMD = 0x0; LCD_WCMD = 0x0; LCD_WCMD = 0x0; lcd_sleep(700000); lcd_writereg(0xa4, 0x1); lcd_sleep(1100000); 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(700000); lcd_on(); } } /*** Update functions ***/ /* Performance function that works with an external buffer note that by and bheight are in 8-pixel units! */ void lcd_blit_mono(const unsigned char *data, int x, int by, int width, int bheight, int stride) { /* Copy display bitmap to hardware */ while (bheight--) { } } /* Performance function that works with an external buffer note that by and bheight are in 8-pixel units! */ void lcd_blit_grey_phase_blit(unsigned char *values, unsigned char *phases, int x, int by, int width, int bheight, int stride) { (void)values; (void)phases; (void)x; (void)by; (void)width; (void)bheight; (void)stride; } /* Update the display. This must be called after all other LCD functions that change the display. */ void lcd_update(void) ICODE_ATTR; void lcd_update(void) { int i; fb_data *p; /* Copy display bitmap to hardware */ if (lcd_type == 1) { LCD_WCMD = 0x2a; LCD_WDATA = 0; LCD_WDATA = 0; LCD_WDATA = 0; LCD_WDATA = 0xaf; LCD_WCMD = 0x2b; LCD_WDATA = 0; LCD_WDATA = 0; LCD_WDATA = 0; LCD_WDATA = 0x83; LCD_WCMD = 0x2c; } else { lcd_writereg(0x20, 0x0); lcd_writereg(0x21, 0x0); LCD_WCMD = 0; LCD_WCMD = 0x22; } for(p=FBADDR(0,0), i=0;i