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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 "s5l8702.h"
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#include "util.h"
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#include "clockgates-target.h"
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static struct dma_lli lcd_lli[(LCD_WIDTH * LCD_HEIGHT - 1) / 0xfff]
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IDATA_ATTR __attribute__((aligned(16)));
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static uint16_t lcd_color IDATA_ATTR;
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static struct mutex lcd_mutex IDATA_ATTR;
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static struct wakeup lcd_wakeup IDATA_ATTR;
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static bool lcd_dma_busy IDATA_ATTR;
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static bool lcd_in_irq IDATA_ATTR;
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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 & 0xff) | ((data & 0x7f00) << 1);
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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 (PDAT6 & 0x30) >> 4;
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}
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void lcd_init()
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{
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mutex_init(&lcd_mutex);
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wakeup_init(&lcd_wakeup);
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lcd_in_irq = false;
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lcd_dma_busy = true;
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clockgate_dma(0, 4, true);
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if (!(DMAC0C4CONFIG & 1))
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{
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lcd_dma_busy = false;
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clockgate_dma(0, 4, false);
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}
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switch (lcd_detect())
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{
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case 1:
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pmu_write(0x31, 0x0e); // Vlcd @ 2.400V
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break;
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case 2:
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pmu_write(0x31, 0x12); // Vlcd @ 2.700V
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break;
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default:
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pmu_write(0x31, 0x0b); // Vlcd @ 2.000V
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}
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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 lcd_dma_busy;
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}
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bool displaylcd_safe()
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{
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lcd_in_irq = true;
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if (!lcd_dma_busy) return true;
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return !(DMAC0C4CONFIG & 1);
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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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mutex_lock(&lcd_mutex, TIMEOUT_BLOCK);
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while (displaylcd_busy()) wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK);
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mutex_unlock(&lcd_mutex);
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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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if (!lcd_in_irq)
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{
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mutex_lock(&lcd_mutex, TIMEOUT_BLOCK);
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displaylcd_sync();
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}
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if (lcd_detect() & 2)
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{
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lcd_send_cmd(0x210);
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lcd_send_data(startx);
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lcd_send_cmd(0x211);
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lcd_send_data(endx);
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lcd_send_cmd(0x212);
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lcd_send_data(starty);
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lcd_send_cmd(0x213);
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lcd_send_data(endy);
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lcd_send_cmd(0x200);
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lcd_send_data(startx);
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lcd_send_cmd(0x201);
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lcd_send_data(starty);
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lcd_send_cmd(0x202);
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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 >> 8);
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lcd_send_data(startx & 0xff);
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lcd_send_data(endx >> 8);
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lcd_send_data(endx & 0xff);
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lcd_send_cmd(0x2b);
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lcd_send_data(starty >> 8);
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lcd_send_data(starty & 0xff);
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lcd_send_data(endy >> 8);
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lcd_send_data(endy & 0xff);
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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, bool solid) ICODE_ATTR;
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static void displaylcd_dma(void* data, int pixels, bool solid)
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{
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int i;
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lcd_dma_busy = true;
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clockgate_dma(0, 4, true);
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for (i = -1; i < (int)ARRAYLEN(lcd_lli) && pixels > 0; i++, pixels -= 0xfff)
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{
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bool last = i + 1 >= ARRAYLEN(lcd_lli) || pixels <= 0xfff;
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struct dma_lli* lli = i < 0 ? (struct dma_lli*)((int)&DMAC0C4LLI) : &lcd_lli[i];
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lli->srcaddr = data;
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lli->dstaddr = (void*)((int)&LCDWDATA);
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lli->nextlli = last ? NULL : &lcd_lli[i + 1];
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lli->control = 0x70240000 | (last ? pixels : 0xfff)
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| (last ? 0x80000000 : 0) | (solid ? 0 : 0x4000000);
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if (!solid) data = (void*)(((uint32_t)data) + 0x1ffe);
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}
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clean_dcache();
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DMAC0C4CONFIG = 0x88c1;
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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, false);
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if (!lcd_in_irq) 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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lcd_color = color;
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displaylcd_dma(&lcd_color, pixels, true);
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if (!lcd_in_irq) 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, =0x38300040 \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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305 |
__asm__ volatile(" mov r0, r1,lsr#3 \n");
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306 |
__asm__ volatile(" orr r2, r0 \n");
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307 |
__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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310 |
__asm__ volatile(" add r6, r6, r1,lsr#2 \n");
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311 |
__asm__ volatile(" strb r6, [r7], #1 \n");
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|
|
312 |
__asm__ volatile(" mov r6, r1,asr#1 \n");
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|
|
313 |
__asm__ volatile(" str r2, [r9] \n");
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|
|
314 |
__asm__ volatile(" sub r3, r3, r10 \n");
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|
|
315 |
__asm__ volatile(" subs lr, lr, #1 \n");
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|
|
316 |
__asm__ volatile(" bne displaylcd_dither_x \n");
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|
|
317 |
__asm__ volatile(" add r3, r3, r11 \n");
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|
|
318 |
__asm__ volatile(" subs r12, r12, #1 \n");
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|
|
319 |
__asm__ volatile(" bne displaylcd_dither_y \n");
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|
|
320 |
__asm__ volatile("displaylcd_dither_free: \n");
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|
|
321 |
__asm__ volatile(" mov r0, r8 \n");
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|
|
322 |
__asm__ volatile(" bl free \n");
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|
|
323 |
__asm__ volatile("displaylcd_dither_unlock: \n");
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|
|
324 |
__asm__ volatile(" ldr r0, =lcd_mutex \n");
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|
|
325 |
__asm__ volatile(" bl mutex_unlock \n");
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|
|
326 |
__asm__ volatile(" ldmfd sp!, {r2-r11,pc} \n");
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|
|
327 |
}
|
|
|
328 |
|
|
|
329 |
void displaylcd(unsigned int x, unsigned int y, unsigned int width, unsigned int height,
|
|
|
330 |
void* data, unsigned int datax, unsigned int datay, unsigned int stride)
|
|
|
331 |
{
|
|
|
332 |
displaylcd_dither(x, y, width, height, data, datax, datay, stride, false);
|
|
|
333 |
}
|
|
|
334 |
|
|
|
335 |
void filllcd(unsigned int x, unsigned int y, unsigned int width, unsigned int height, int color)
|
|
|
336 |
{
|
|
|
337 |
if (width * height <= 0) return;
|
| 560 |
theseven |
338 |
mutex_lock(&lcd_mutex, TIMEOUT_BLOCK);
|
| 521 |
theseven |
339 |
displaylcd_sync();
|
| 513 |
theseven |
340 |
lcd_color = color;
|
|
|
341 |
displaylcd_dither(x, y, width, height, &lcd_color, 0, 0, 0, true);
|
|
|
342 |
mutex_unlock(&lcd_mutex);
|
|
|
343 |
}
|
|
|
344 |
|
|
|
345 |
void lcd_shutdown()
|
|
|
346 |
{
|
|
|
347 |
displaylcd_sync();
|
|
|
348 |
uint32_t type = lcd_detect();
|
|
|
349 |
if (type & 2)
|
|
|
350 |
{
|
|
|
351 |
lcd_send_cmd(0x7);
|
|
|
352 |
lcd_send_data(0x172);
|
|
|
353 |
lcd_send_cmd(0x30);
|
|
|
354 |
lcd_send_data(0x3ff);
|
|
|
355 |
sleep(90000);
|
|
|
356 |
lcd_send_cmd(0x7);
|
|
|
357 |
lcd_send_data(0x120);
|
|
|
358 |
lcd_send_cmd(0x30);
|
|
|
359 |
lcd_send_data(0x0);
|
|
|
360 |
lcd_send_cmd(0x100);
|
|
|
361 |
lcd_send_data(0x780);
|
|
|
362 |
lcd_send_cmd(0x7);
|
|
|
363 |
lcd_send_data(0x0);
|
|
|
364 |
lcd_send_cmd(0x101);
|
|
|
365 |
lcd_send_data(0x260);
|
|
|
366 |
lcd_send_cmd(0x102);
|
|
|
367 |
lcd_send_data(0xa9);
|
|
|
368 |
sleep(30000);
|
|
|
369 |
lcd_send_cmd(0x100);
|
|
|
370 |
lcd_send_data(0x700);
|
|
|
371 |
lcd_send_cmd(0x100);
|
|
|
372 |
lcd_send_data(0x704);
|
|
|
373 |
}
|
|
|
374 |
else if (type == 1)
|
|
|
375 |
{
|
|
|
376 |
lcd_send_cmd(0x28);
|
|
|
377 |
lcd_send_cmd(0x10);
|
|
|
378 |
sleep(100000);
|
|
|
379 |
}
|
|
|
380 |
else
|
|
|
381 |
{
|
|
|
382 |
lcd_send_cmd(0x28);
|
|
|
383 |
sleep(50000);
|
|
|
384 |
lcd_send_cmd(0x10);
|
|
|
385 |
sleep(50000);
|
|
|
386 |
}
|
|
|
387 |
}
|
|
|
388 |
|
|
|
389 |
void INT_DMAC0C4()
|
|
|
390 |
{
|
|
|
391 |
DMAC0INTTCCLR = 0x10;
|
| 560 |
theseven |
392 |
lcd_in_irq = true;
|
|
|
393 |
lcd_dma_busy = false;
|
|
|
394 |
clockgate_dma(0, 4, false);
|
| 513 |
theseven |
395 |
lcdconsole_callback();
|
| 560 |
theseven |
396 |
wakeup_signal(&lcd_wakeup);
|
|
|
397 |
lcd_in_irq = false;
|
| 513 |
theseven |
398 |
}
|
|
|
399 |
|
|
|
400 |
int lcd_translate_color(uint8_t alpha, uint8_t red, uint8_t green, uint8_t blue)
|
|
|
401 |
ICODE_ATTR __attribute__((naked, noinline));
|
|
|
402 |
int lcd_translate_color(uint8_t alpha, uint8_t red, uint8_t green, uint8_t blue)
|
|
|
403 |
{
|
|
|
404 |
asm volatile(
|
|
|
405 |
"cmp r0, #0xff \n\t"
|
|
|
406 |
"moveq r0, #-1 \n\t"
|
|
|
407 |
"moveq pc, lr \n\t"
|
|
|
408 |
"cmp r0, #0 \n\t"
|
|
|
409 |
"movne r0, #0xff000000 \n\t"
|
|
|
410 |
"orrne r0, r0, #0xff0000 \n\t"
|
|
|
411 |
"mov r2, r2,lsr#2 \n\t"
|
|
|
412 |
"orr r0, r0, r3,lsr#3 \n\t"
|
|
|
413 |
"mov r1, r1,lsr#3 \n\t"
|
|
|
414 |
"orr r0, r0, r2,lsl#5 \n\t"
|
|
|
415 |
"orr r0, r0, r1,lsl#11 \n\t"
|
|
|
416 |
"mov pc, lr \n\t"
|
|
|
417 |
);
|
|
|
418 |
}
|