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//
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//
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// Copyright 2010 TheSeven
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//
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//
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// This file is part of emCORE.
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//
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// emCORE is free software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 2 of the
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// License, or (at your option) any later version.
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//
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// emCORE is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with emCORE. If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#include "global.h"
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#include "thread.h"
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#include "s5l8701.h"
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#include "util.h"
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static struct mutex lcd_mutex;
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void lcd_init()
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{
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DMACON8 = 0x20590000;
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LCDCON = 0xd01;
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LCDPHTIME = 0;
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}
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int lcd_get_width()
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{
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return LCD_WIDTH;
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}
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int lcd_get_height()
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{
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return LCD_HEIGHT;
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}
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int lcd_get_bytes_per_pixel()
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{
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return LCD_BYTESPERPIXEL;
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}
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int lcd_get_format()
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{
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return LCD_FORMAT;
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}
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static void lcd_send_cmd(uint16_t cmd) ICODE_ATTR __attribute__((noinline));
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static void lcd_send_cmd(uint16_t cmd)
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{
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while (LCDSTATUS & 0x10);
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LCDWCMD = cmd;
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}
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static void lcd_send_data(uint16_t data) ICODE_ATTR __attribute__((noinline));
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static void lcd_send_data(uint16_t data)
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{
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while (LCDSTATUS & 0x10);
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LCDWDATA = data;
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}
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static uint32_t lcd_detect() ICODE_ATTR;
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static uint32_t lcd_detect()
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{
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return (PDAT13 & 1) | (PDAT14 & 2);
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}
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bool displaylcd_busy() ICODE_ATTR;
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bool displaylcd_busy()
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{
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return DMAALLST2 & 0x70000;
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}
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bool displaylcd_safe()
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{
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return !(DMAALLST2 & 0x70000);
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}
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void displaylcd_sync() ICODE_ATTR;
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void displaylcd_sync()
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{
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while (displaylcd_busy()) sleep(100);
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}
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void displaylcd_setup(unsigned int startx, unsigned int endx,
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unsigned int starty, unsigned int endy) ICODE_ATTR;
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void displaylcd_setup(unsigned int startx, unsigned int endx,
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unsigned int starty, unsigned int endy)
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{
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displaylcd_sync();
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mutex_lock(&lcd_mutex, TIMEOUT_BLOCK);
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if (lcd_detect() == 2)
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{
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lcd_send_cmd(0x50);
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lcd_send_data(startx);
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lcd_send_cmd(0x51);
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lcd_send_data(endx);
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lcd_send_cmd(0x52);
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lcd_send_data(starty);
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lcd_send_cmd(0x53);
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lcd_send_data(endy);
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lcd_send_cmd(0x20);
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lcd_send_data(startx);
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lcd_send_cmd(0x21);
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lcd_send_data(starty);
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lcd_send_cmd(0x22);
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}
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else
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{
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lcd_send_cmd(0x2a);
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lcd_send_data(startx);
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lcd_send_data(endx);
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lcd_send_cmd(0x2b);
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lcd_send_data(starty);
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lcd_send_data(endy);
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lcd_send_cmd(0x2c);
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}
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}
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static void displaylcd_dma(void* data, int pixels) ICODE_ATTR;
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static void displaylcd_dma(void* data, int pixels)
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{
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uint16_t* in = (uint16_t*)data;
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while (LCDSTATUS & 8);
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while (pixels & 3)
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{
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LCDWDATA = *in++;
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pixels--;
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}
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DMABASE8 = in;
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DMACON8 = 0x20590000;
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DMATCNT8 = pixels / 4;
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clean_dcache();
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DMACOM8 = 4;
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}
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static void displaylcd_solid(uint16_t data, int pixels) ICODE_ATTR;
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static void displaylcd_solid(uint16_t data, int pixels)
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{
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while (pixels >= 4)
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{
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while (LCDSTATUS & 8);
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LCDWDATA = data;
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LCDWDATA = data;
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LCDWDATA = data;
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LCDWDATA = data;
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pixels -= 4;
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}
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while (LCDSTATUS & 8);
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while (pixels & 3)
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{
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LCDWDATA = data;
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pixels--;
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}
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}
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void displaylcd_native(unsigned int startx, unsigned int endx,
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unsigned int starty, unsigned int endy, void* data)
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{
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int pixels = (endx - startx + 1) * (endy - starty + 1);
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if (pixels <= 0) return;
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displaylcd_setup(startx, endx, starty, endy);
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displaylcd_dma(data, pixels);
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mutex_unlock(&lcd_mutex);
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}
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void filllcd_native(unsigned int startx, unsigned int endx,
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unsigned int starty, unsigned int endy, int color)
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{
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int pixels = (endx - startx + 1) * (endy - starty + 1);
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if (pixels <= 0) return;
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displaylcd_setup(startx, endx, starty, endy);
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displaylcd_solid(color, pixels);
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mutex_unlock(&lcd_mutex);
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}
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void displaylcd_dither(unsigned int x, unsigned int y, unsigned int width,
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unsigned int height, void* data, unsigned int datax,
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unsigned int datay, unsigned int stride, bool solid)
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ICODE_ATTR __attribute__((naked,noinline));
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void displaylcd_dither(unsigned int x, unsigned int y, unsigned int width,
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unsigned int height, void* data, unsigned int datax,
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unsigned int datay, unsigned int stride, bool solid)
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{
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__asm__ volatile(" muls r12, r2, r3 \n");
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__asm__ volatile(" bxeq lr \n");
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__asm__ volatile(" stmfd sp!, {r2-r11,lr} \n");
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__asm__ volatile(" mov r12, r2 \n");
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__asm__ volatile(" add r8, r2, r2,lsl#1 \n");
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__asm__ volatile(" add r3, r1, r3 \n");
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__asm__ volatile(" sub r3, r3, #1 \n");
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__asm__ volatile(" mov r2, r1 \n");
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__asm__ volatile(" add r1, r0, r12 \n");
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__asm__ volatile(" sub r1, r1, #1 \n");
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__asm__ volatile(" bl displaylcd_setup \n");
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__asm__ volatile(" mov r0, r8 \n");
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__asm__ volatile(" bl malloc \n");
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__asm__ volatile(" cmp r0, #0 \n");
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__asm__ volatile(" beq displaylcd_dither_unlock \n");
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__asm__ volatile(" mov r2, r8 \n");
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__asm__ volatile(" mov r1, #0 \n");
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__asm__ volatile(" mov r8, r0 \n");
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__asm__ volatile(" bl memset \n");
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__asm__ volatile(" ldr r0, [sp,#0x30] \n");
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__asm__ volatile(" ldr r1, [sp,#0x34] \n");
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__asm__ volatile(" ldr r11, [sp,#0x38] \n");
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__asm__ volatile(" ldr r3, [sp,#0x2c] \n");
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__asm__ volatile(" mla r0, r1, r11, r0 \n");
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__asm__ volatile(" ldr r12, [sp,#0x04] \n");
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__asm__ volatile(" ldr r2, [sp,#0x3c] \n");
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__asm__ volatile(" add r3, r3, r0,lsl#1 \n");
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__asm__ volatile(" cmp r2, #0 \n");
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__asm__ volatile(" ldreq r1, [sp] \n");
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__asm__ volatile(" add r3, r3, r0 \n");
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__asm__ volatile(" subeq r11, r11, r1 \n");
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__asm__ volatile(" add r11, r11, r11,lsl#1 \n");
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__asm__ volatile(" movne r10, #3 \n");
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__asm__ volatile(" moveq r10, #0 \n");
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__asm__ volatile(" ldr r9, =0x38600040 \n");
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__asm__ volatile("displaylcd_dither_y: \n");
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__asm__ volatile(" ldr lr, [sp] \n");
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__asm__ volatile(" mov r4, #0 \n");
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__asm__ volatile(" mov r5, #0 \n");
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__asm__ volatile(" mov r6, #0 \n");
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__asm__ volatile(" mov r7, r8 \n");
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__asm__ volatile("displaylcd_dither_x: \n");
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__asm__ volatile(" mov r2, #0 \n");
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__asm__ volatile(" ldrb r1, [r3], #1 \n");
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__asm__ volatile(" ldrsb r0, [r7] \n");
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__asm__ volatile(" add r1, r1, r4 \n");
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__asm__ volatile(" add r1, r1, r0 \n");
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__asm__ volatile(" cmp r1, #0 \n");
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__asm__ volatile(" movlt r1, #0 \n");
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__asm__ volatile(" cmp r1, #0xff \n");
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__asm__ volatile(" movgt r1, #0xff \n");
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__asm__ volatile(" mov r0, r1,lsr#3 \n");
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__asm__ volatile(" orr r2, r0,lsl#11 \n");
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__asm__ volatile(" sub r1, r1, r0,lsl#3 \n");
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__asm__ volatile(" sub r1, r1, r0,lsr#2 \n");
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__asm__ volatile(" mov r4, r4,lsr#1 \n");
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__asm__ volatile(" add r4, r4, r1,lsr#2 \n");
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__asm__ volatile(" strb r4, [r7], #1 \n");
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__asm__ volatile(" mov r4, r1,asr#1 \n");
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__asm__ volatile(" ldrb r1, [r3], #1 \n");
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__asm__ volatile(" ldrsb r0, [r7] \n");
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__asm__ volatile(" add r1, r1, r5 \n");
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__asm__ volatile(" add r1, r1, r0 \n");
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__asm__ volatile(" cmp r1, #0 \n");
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__asm__ volatile(" movlt r1, #0 \n");
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__asm__ volatile(" cmp r1, #0xff \n");
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__asm__ volatile(" movgt r1, #0xff \n");
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__asm__ volatile(" mov r0, r1,lsr#2 \n");
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__asm__ volatile(" orr r2, r0,lsl#5 \n");
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__asm__ volatile(" sub r1, r1, r0,lsl#2 \n");
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__asm__ volatile(" sub r1, r1, r0,lsr#4 \n");
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__asm__ volatile(" mov r5, r5,lsr#1 \n");
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__asm__ volatile(" add r5, r5, r1,lsr#2 \n");
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__asm__ volatile(" strb r5, [r7], #1 \n");
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__asm__ volatile(" mov r5, r1,asr#1 \n");
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__asm__ volatile(" ldrb r1, [r3], #1 \n");
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__asm__ volatile(" ldrsb r0, [r7] \n");
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__asm__ volatile(" add r1, r1, r6 \n");
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__asm__ volatile(" add r1, r1, r0 \n");
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__asm__ volatile(" cmp r1, #0 \n");
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__asm__ volatile(" movlt r1, #0 \n");
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__asm__ volatile(" cmp r1, #0xff \n");
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__asm__ volatile(" movgt r1, #0xff \n");
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__asm__ volatile(" mov r0, r1,lsr#3 \n");
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__asm__ volatile(" orr r2, r0 \n");
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__asm__ volatile(" sub r1, r1, r0,lsl#3 \n");
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__asm__ volatile(" sub r1, r1, r0,lsr#2 \n");
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__asm__ volatile(" mov r6, r6,lsr#1 \n");
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__asm__ volatile(" add r6, r6, r1,lsr#2 \n");
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__asm__ volatile(" strb r6, [r7], #1 \n");
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__asm__ volatile("displaylcd_dither_waitlcd: \n");
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__asm__ volatile(" ldr r0, [r9,#-0x24] \n");
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__asm__ volatile(" mov r6, r1,asr#1 \n");
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__asm__ volatile(" tst r0, #0x10 \n");
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__asm__ volatile(" bne displaylcd_dither_waitlcd\n");
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__asm__ volatile(" str r2, [r9] \n");
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__asm__ volatile(" sub r3, r3, r10 \n");
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__asm__ volatile(" subs lr, lr, #1 \n");
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__asm__ volatile(" bne displaylcd_dither_x \n");
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__asm__ volatile(" add r3, r3, r11 \n");
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__asm__ volatile(" subs r12, r12, #1 \n");
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__asm__ volatile(" bne displaylcd_dither_y \n");
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__asm__ volatile("displaylcd_dither_free: \n");
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__asm__ volatile(" mov r0, r8 \n");
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__asm__ volatile(" bl free \n");
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__asm__ volatile("displaylcd_dither_unlock: \n");
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__asm__ volatile(" ldr r0, =lcd_mutex \n");
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__asm__ volatile(" bl mutex_unlock \n");
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__asm__ volatile(" ldmfd sp!, {r2-r11,pc} \n");
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theseven |
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}
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void displaylcd(unsigned int x, unsigned int y, unsigned int width, unsigned int height,
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309 |
void* data, unsigned int datax, unsigned int datay, unsigned int stride)
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310 |
{
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311 |
displaylcd_dither(x, y, width, height, data, datax, datay, stride, false);
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}
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void filllcd(unsigned int x, unsigned int y, unsigned int width, unsigned int height, int color)
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315 |
{
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316 |
if (width * height <= 0) return;
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theseven |
317 |
displaylcd_sync();
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theseven |
318 |
mutex_lock(&lcd_mutex, TIMEOUT_BLOCK);
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|
|
319 |
displaylcd_dither(x, y, width, height, &color, 0, 0, 0, true);
|
|
|
320 |
mutex_unlock(&lcd_mutex);
|
|
|
321 |
}
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|
|
322 |
|
|
|
323 |
void lcd_shutdown()
|
|
|
324 |
{
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|
|
325 |
displaylcd_sync();
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|
|
326 |
uint32_t type = lcd_detect();
|
|
|
327 |
if (type == 2)
|
|
|
328 |
{
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|
|
329 |
lcd_send_cmd(0x7);
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|
|
330 |
lcd_send_data(0x232);
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|
|
331 |
lcd_send_cmd(0x13);
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|
|
332 |
lcd_send_data(0x1137);
|
|
|
333 |
lcd_send_cmd(0x7);
|
|
|
334 |
lcd_send_data(0x201);
|
|
|
335 |
lcd_send_cmd(0x13);
|
|
|
336 |
lcd_send_data(0x137);
|
|
|
337 |
lcd_send_cmd(0x7);
|
|
|
338 |
lcd_send_data(0x200);
|
|
|
339 |
lcd_send_cmd(0x10);
|
|
|
340 |
lcd_send_data(0x680);
|
|
|
341 |
lcd_send_cmd(0x12);
|
|
|
342 |
lcd_send_data(0x160);
|
|
|
343 |
lcd_send_cmd(0x13);
|
|
|
344 |
lcd_send_data(0x127);
|
|
|
345 |
lcd_send_cmd(0x10);
|
|
|
346 |
lcd_send_data(0x600);
|
|
|
347 |
}
|
|
|
348 |
else
|
|
|
349 |
{
|
|
|
350 |
lcd_send_cmd(0x28);
|
|
|
351 |
lcd_send_cmd(0x10);
|
|
|
352 |
}
|
|
|
353 |
sleep(5000);
|
|
|
354 |
}
|
|
|
355 |
|
|
|
356 |
void INT_DMA8()
|
|
|
357 |
{
|
|
|
358 |
DMACOM8 = 7;
|
|
|
359 |
lcdconsole_callback();
|
|
|
360 |
}
|
|
|
361 |
|
|
|
362 |
int lcd_translate_color(uint8_t alpha, uint8_t red, uint8_t green, uint8_t blue)
|
|
|
363 |
ICODE_ATTR __attribute__((naked, noinline));
|
|
|
364 |
int lcd_translate_color(uint8_t alpha, uint8_t red, uint8_t green, uint8_t blue)
|
|
|
365 |
{
|
|
|
366 |
asm volatile(
|
|
|
367 |
"cmp r0, #0xff \n\t"
|
|
|
368 |
"moveq r0, #-1 \n\t"
|
|
|
369 |
"moveq pc, lr \n\t"
|
|
|
370 |
"cmp r0, #0 \n\t"
|
|
|
371 |
"movne r0, #0xff000000 \n\t"
|
|
|
372 |
"orrne r0, r0, #0xff0000 \n\t"
|
|
|
373 |
"mov r2, r2,lsr#2 \n\t"
|
|
|
374 |
"orr r0, r0, r3,lsr#3 \n\t"
|
|
|
375 |
"mov r1, r1,lsr#3 \n\t"
|
|
|
376 |
"orr r0, r0, r2,lsl#5 \n\t"
|
|
|
377 |
"orr r0, r0, r1,lsl#11 \n\t"
|
|
|
378 |
"mov pc, lr \n\t"
|
|
|
379 |
);
|
|
|
380 |
}
|