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/*
skyeye_lcd.c - skyeye general lcd device file support functions
Copyright (C) 2003 - 2005 Skyeye Develop Group
for help please send mail to <skyeye-developer@lists.gro.clinux.org>
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 program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* 06/22/2005 initial version
* walimis <wlm@student.dlut.edu.cn>
*/
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "armdefs.h"
#include "arch/mips/common/mipsdef.h"
#include "skyeye_device.h"
#include "skyeye_options.h"
#include "skyeye.h"
#include "skyeye_lcd.h"
/* initialize the lcd module set.
* If you want to add a new lcd simulation, just add a "lcd_*_init" function to it.
* */
static void
lcd_init (struct device_module_set *mod_set)
{
lcd_ep7312_init (mod_set);
lcd_pxa_init (mod_set);
lcd_s3c2410_init (mod_set);
lcd_s3c44b0x_init (mod_set);
lcd_au1100_init (mod_set);
}
static int
lcd_setup (struct device_desc *dev, void *option)
{
struct lcd_device *lcd_dev;
struct lcd_option *lcd_opt = (struct lcd_option *) option;
int ret = 0;
lcd_dev = (struct lcd_device *) malloc (sizeof (struct lcd_device));
if (lcd_dev == NULL) return -1;
memset (lcd_dev, 0, sizeof (struct lcd_device));
lcd_dev->mod = lcd_opt->mod;
printf ("lcd_mod:%d\n", lcd_dev->mod);
switch (lcd_dev->mod) {
#ifdef GTK_LCD
case LCD_MOD_GTK:
ret = gtk_lcd_init(lcd_dev);
break;
#endif
#ifdef WIN32_LCD
case LCD_MOD_WIN32:
ret = win32_lcd_init(lcd_dev);
break;
#endif
#ifdef BEOS_LCD
case LCD_MOD_BEOS:
ret = beos_lcd_init(lcd_dev);
break;
#endif
default:
ret = -1;
break;
}
if (ret != 0) {
free(lcd_dev);
lcd_dev = NULL;
}
dev->dev = (void *) lcd_dev;
return ret;
}
static struct device_module_set lcd_mod_set = {
.name = "lcd",
.count = 0,
.count_max = 0,
.init = lcd_init,
.initialized = 0,
.setup_module = lcd_setup,
};
/* used by global device initialize function.
* */
void
lcd_register ()
{
if (register_device_module_set (&lcd_mod_set))
SKYEYE_ERR ("\"%s\" module set register error!\n",
lcd_mod_set.name);
}
/* help functions. */
unsigned char* skyeye_find_lcd_dma (struct lcd_device *lcd_dev)
{
unsigned char *dma = NULL;
if (lcd_dev == NULL ||
skyeye_config.arch == NULL ||
skyeye_config.arch->arch_name == NULL) return NULL;
if (strcmp(skyeye_config.arch->arch_name, "arm") == 0) { /* arm */
extern mem_bank_t *bank_ptr(ARMword addr);
mem_bank_t *mbp;
ARMul_State *state = (ARMul_State*)lcd_dev->state;
if(!(state == NULL || (mbp = bank_ptr(lcd_dev->lcd_addr_begin)) == NULL)) {
dma = (unsigned char*)(&state->mem.rom[(mbp - state->mem_bank->mem_banks)]
[(lcd_dev->lcd_addr_begin - mbp->addr) >> 2]);
}
}
if (strcmp(skyeye_config.arch->arch_name, "mips") == 0) { /* mips */
extern mips_mem_state_t mips_mem;
extern mips_mem_bank_t *mips_global_mbp;
extern mips_mem_config_t mips_mem_config;
int i;
unsigned long addr, len;
for (i = 0; i < mips_mem_config.bank_num; i++) {
addr = mips_mem_config.mem_banks[i].addr;
len = mips_mem_config.mem_banks[i].len;
if (addr <= lcd_dev->lcd_addr_begin && addr + len > lcd_dev->lcd_addr_begin) break;
}
if (i != mips_mem_config.bank_num) {
dma = (unsigned char*)&(mips_mem.rom[mips_global_mbp - mips_mem_config.mem_banks]
[(lcd_dev->lcd_addr_begin - mips_global_mbp->addr) >> 2]);
}
}
/* TODO: blackfin, coldfire, etc. */
return dma;
}
void skyeye_convert_color_from_lcd_dma (struct lcd_device *lcd,
int x, int y, int w, int h,
void (*func)(u32, void*, void*),
void *user_data1, void *user_data2)
{
const u8 *dma = skyeye_find_lcd_dma(lcd);
const u32 *buf;
const u16 *buf16;
const u8 *buf8;
u32 block, color, c;
int dx, dy, exw, exb, line_width;
int i, k;
if (dma == NULL || lcd->lcd_lookup_color == NULL || func == NULL) return;
if (!(lcd->depth == 1 || lcd->depth == 2 || lcd->depth == 4 ||
lcd->depth == 8 || lcd->depth == 16 || lcd->depth == 32)) return;
if (lcd->width <= 0 || x < 0 || w <= 0 || x + w > lcd->width) return;
if (lcd->height <= 0 || y < 0 || h <= 0 || y + h > lcd->height) return;
line_width = (lcd->width + (int)lcd->lcd_line_offset);
for (dy = y; dy < y + h; dy++) {
exw = (((line_width * dy + x) * lcd->depth) % 32) / 8;
exb = ((line_width * dy + x) * lcd->depth) % 8;
buf = (const u32*)(dma + 4 * (((line_width * dy + x) * lcd->depth) / 32));
for (dx = x; dx < x + w; buf++) {
block = *buf;
#ifndef HOST_IS_BIG_ENDIAN
if (lcd->lcd_dma_swap_word == 1) {
#else
if (lcd->lcd_dma_swap_word == 0) {
#endif
block = (((block & 0xff) << 24) |
((block & 0xff00) << 8) |
((block & 0xff0000) >> 8) |
(block >> 24));
}
buf8 = (u8*)█
buf16 = (u16*)█
for (i = exw; i < 4 && dx < x + w; exw = 0) {
if (lcd->depth < 16) { /* lcd->depth: 1, 2, 4, 8 */
color = (u32)(*(buf8 + (lcd->lcd_color_right_to_left == 0 ? i : 3 - i)));
for (k = exb; k < 8 && dx < x + w; k += lcd->depth, exb = 0) {
if (lcd->lcd_color_right_to_left == 0)
c = ((color >> (8 - (k + lcd->depth))) & ((1 << lcd->depth) - 1));
else
c = ((color >> k) & ((1 << lcd->depth) - 1));
(*func)(lcd->lcd_lookup_color(lcd, c), user_data1, user_data2);
dx++;
}
i += 1;
}
else if (lcd->depth == 16) {
if (lcd->lcd_color_right_to_left == 0)
color = (u32)(*(buf16 + (i == 0 ? 0 : 1)));
else
color = (u32)(*(buf16 + (i == 0 ? 1 : 0)));
(*func)(lcd->lcd_lookup_color(lcd, color), user_data1, user_data2);
dx++;
i += 2;
} else { /* lcd->depth: 32 */
color = block;
(*func)(lcd->lcd_lookup_color(lcd, color), user_data1, user_data2);
dx++;
break;
}
}
}
}
}
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