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/*
* Copyright (C) 2006 Jakub Vana
* Copyright (C) 2006 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ddi.h>
#include <task.h>
#include <sysinfo.h>
#include <align.h>
#include <as.h>
#include <ipc/fb.h>
#include <ipc/ipc.h>
#include <ipc/ns.h>
#include <ipc/services.h>
#include <kernel/errno.h>
#include <async.h>
#include "font-8x16.h"
#include "helenos.xbm"
#include "fb.h"
#define EFB (-1)
#define DEFAULT_BGCOLOR 0x000080
#define DEFAULT_FGCOLOR 0xffff00
#define DEFAULT_LOGOCOLOR 0x0000ff
#define MAIN_BGCOLOR 0x404000
#define MAIN_FGCOLOR 0x000000
#define MAIN_LOGOCOLOR 0x404000
#define SPACING (2)
#define H_NO_VFBS 3
#define V_NO_VFBS 3
static void fb_putchar(int item,char ch);
int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size,
unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR);
void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan,
unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR);
unsigned int mod_col(unsigned int col,int mod);
static int init_fb(void)
{
__address fb_ph_addr;
unsigned int fb_width;
unsigned int fb_height;
unsigned int fb_bpp;
unsigned int fb_scanline;
__address fb_addr;
int a=0;
int i,j,k;
int w;
char text[]="HelenOS Framebuffer driver\non Virtual Framebuffer\nVFB ";
fb_ph_addr=sysinfo_value("fb.address.physical");
fb_width=sysinfo_value("fb.width");
fb_height=sysinfo_value("fb.height");
fb_bpp=sysinfo_value("fb.bpp");
fb_scanline=sysinfo_value("fb.scanline");
fb_addr=ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE);
map_physmem(task_get_id(),(void *)((__address)fb_ph_addr),(void *)fb_addr,
(fb_scanline*fb_height+PAGE_SIZE-1)>>PAGE_WIDTH,
AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
fb_init(0,fb_addr, fb_width, fb_height, fb_bpp, fb_scanline,
MAIN_BGCOLOR,MAIN_FGCOLOR,MAIN_LOGOCOLOR);
fb_putchar(0,'\n');
fb_putchar(0,' ');
for(i=0;i<H_NO_VFBS;i++)
for(j=0;j<V_NO_VFBS;j++) {
w = create_window(0,(fb_width/H_NO_VFBS)*i+SPACING,
(fb_height/V_NO_VFBS)*j+SPACING,(fb_width/H_NO_VFBS)-2*SPACING ,
(fb_height/V_NO_VFBS)-2*SPACING,mod_col(DEFAULT_BGCOLOR,/*i+j*H_NO_VFBS*/0),
mod_col(DEFAULT_FGCOLOR,/*i+j*H_NO_VFBS*/0),
mod_col(DEFAULT_LOGOCOLOR,/*i+j*H_NO_VFBS)*/0));
if( w== EFB)
return -1;
for(k=0;text[k];k++)
fb_putchar(w,text[k]);
fb_putchar(w,w+'0');
fb_putchar(w,'\n');
}
return 0;
}
int vfb_no = 1;
void client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
ipc_callid_t callid;
ipc_call_t call;
int vfb = vfb_no++;
if (vfb > 9) {
ipc_answer_fast(iid, ELIMIT, 0,0);
return;
}
ipc_answer_fast(iid, 0, 0, 0);
while (1) {
callid = async_get_call(&call);
switch (IPC_GET_METHOD(call)) {
case IPC_M_PHONE_HUNGUP:
ipc_answer_fast(callid,0,0,0);
return; /* Exit thread */
case FB_PUTCHAR:
ipc_answer_fast(callid,0,0,0);
fb_putchar(vfb,IPC_GET_ARG2(call));
break;
default:
ipc_answer_fast(callid,ENOENT,0,0);
}
}
}
int main(int argc, char *argv[])
{
ipc_call_t call;
ipc_callid_t callid;
char connected = 0;
int res;
int c;
ipcarg_t phonead;
ipcarg_t retval, arg1, arg2;
if(!sysinfo_value("fb"))
return -1;
if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, &phonead)) != 0)
return -1;
if (init_fb() != 0)
return -1;
async_manager();
/* Never reached */
return 0;
}
#define GRAPHICS_ITEMS 1024
/***************************************************************/
/* Pixel specific fuctions */
typedef void (*putpixel_fn_t)(int item,unsigned int x, unsigned int y, int color);
typedef int (*getpixel_fn_t)(int item,unsigned int x, unsigned int y);
typedef struct framebuffer_descriptor
{
__u8 *fbaddress ;
unsigned int xres ;
unsigned int yres ;
unsigned int scanline ;
unsigned int pixelbytes ;
unsigned int position ;
unsigned int columns ;
unsigned int rows ;
unsigned int BGCOLOR;
unsigned int FGCOLOR;
unsigned int LOGOCOLOR;
putpixel_fn_t putpixel;
getpixel_fn_t getpixel;
}framebuffer_descriptor_t;
void * graphics_items[GRAPHICS_ITEMS+1]={NULL};
#define FB(__a__,__b__) (((framebuffer_descriptor_t*)(graphics_items[__a__]))->__b__)
#define COL_WIDTH 8
#define ROW_BYTES (FB(item,scanline) * FONT_SCANLINES)
#define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1))
#define POINTPOS(x, y) (y * FB(item,scanline) + x * FB(item,pixelbytes))
/** Put pixel - 24-bit depth, 1 free byte */
static void putpixel_4byte(int item,unsigned int x, unsigned int y, int color)
{
*((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) = color;
}
/** Return pixel color - 24-bit depth, 1 free byte */
static int getpixel_4byte(int item,unsigned int x, unsigned int y)
{
return *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) & 0xffffff;
}
/** Put pixel - 24-bit depth */
static void putpixel_3byte(int item,unsigned int x, unsigned int y, int color)
{
unsigned int startbyte = POINTPOS(x, y);
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
FB(item,fbaddress)[startbyte] = RED(color, 8);
FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8);
FB(item,fbaddress)[startbyte + 2] = BLUE(color, 8);
#else
FB(item,fbaddress)[startbyte + 2] = RED(color, 8);
FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8);
FB(item,fbaddress)[startbyte + 0] = BLUE(color, 8);
#endif
}
/** Return pixel color - 24-bit depth */
static int getpixel_3byte(int item,unsigned int x, unsigned int y)
{
unsigned int startbyte = POINTPOS(x, y);
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
return FB(item,fbaddress)[startbyte] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 2];
#else
return FB(item,fbaddress)[startbyte + 2] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 0];
#endif
}
/** Put pixel - 16-bit depth (5:6:5) */
static void putpixel_2byte(int item,unsigned int x, unsigned int y, int color)
{
/* 5-bit, 6-bits, 5-bits */
*((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5);
}
/** Return pixel color - 16-bit depth (5:6:5) */
static int getpixel_2byte(int item,unsigned int x, unsigned int y)
{
int color = *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y)));
return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
}
/** Put pixel - 8-bit depth (3:2:3) */
static void putpixel_1byte(int item,unsigned int x, unsigned int y, int color)
{
FB(item,fbaddress)[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3);
}
/** Return pixel color - 8-bit depth (3:2:3) */
static int getpixel_1byte(int item,unsigned int x, unsigned int y)
{
int color = FB(item,fbaddress)[POINTPOS(x, y)];
return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
}
/** Fill line with color BGCOLOR */
static void clear_line(int item,unsigned int y)
{
unsigned int x;
for (x = 0; x < FB(item,xres); x++)
FB(item,putpixel)(item,x, y, FB(item,BGCOLOR));
}
/** Fill screen with background color */
static void clear_screen(int item)
{
unsigned int y;
for (y = 0; y < FB(item,yres); y++)
{
clear_line(item,y);
}
}
/** Scroll screen one row up */
static void scroll_screen(int item)
{
unsigned int i;
unsigned int j;
for(j=0;j<FB(item,yres)-FONT_SCANLINES;j++)
memcpy((void *) FB(item,fbaddress)+j*FB(item,scanline),
(void *) &FB(item,fbaddress)[ROW_BYTES+j*FB(item,scanline)], FB(item,pixelbytes)*FB(item,xres));
//memcpy((void *) FB(item,fbaddress), (void *) &FB(item,fbaddress)[ROW_BYTES], FB(item,scanline) * FB(item,yres) - ROW_BYTES);
/* Clear last row */
for (i = 0; i < FONT_SCANLINES; i++)
clear_line(item,(FB(item,rows) - 1) * FONT_SCANLINES + i);
}
static void invert_pixel(int item,unsigned int x, unsigned int y)
{
FB(item,putpixel)(item, x, y, ~FB(item,getpixel)(item, x, y));
}
/** Draw one line of glyph at a given position */
static void draw_glyph_line(int item,unsigned int glline, unsigned int x, unsigned int y)
{
unsigned int i;
for (i = 0; i < 8; i++)
if (glline & (1 << (7 - i))) {
FB(item,putpixel)(item,x + i, y, FB(item,FGCOLOR));
} else
FB(item,putpixel)(item,x + i, y, FB(item,BGCOLOR));
}
/***************************************************************/
/* Character-console functions */
/** Draw character at given position */
static void draw_glyph(int item,__u8 glyph, unsigned int col, unsigned int row)
{
unsigned int y;
for (y = 0; y < FONT_SCANLINES; y++)
draw_glyph_line(item ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y);
}
/** Invert character at given position */
static void invert_char(int item,unsigned int col, unsigned int row)
{
unsigned int x;
unsigned int y;
for (x = 0; x < COL_WIDTH; x++)
for (y = 0; y < FONT_SCANLINES; y++)
invert_pixel(item,col * COL_WIDTH + x, row * FONT_SCANLINES + y);
}
/** Draw character at default position */
static void draw_char(int item,char chr)
{
draw_glyph(item ,chr, FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns));
}
static void draw_logo(int item,unsigned int startx, unsigned int starty)
{
unsigned int x;
unsigned int y;
unsigned int byte;
unsigned int rowbytes;
rowbytes = (helenos_width - 1) / 8 + 1;
for (y = 0; y < helenos_height; y++)
for (x = 0; x < helenos_width; x++) {
byte = helenos_bits[rowbytes * y + x / 8];
byte >>= x % 8;
if (byte & 1)
FB(item,putpixel)(item,startx + x, starty + y, FB(item,LOGOCOLOR));
}
}
/***************************************************************/
/* Stdout specific functions */
static void invert_cursor(int item)
{
invert_char(item,FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns));
}
/** Print character to screen
*
* Emulate basic terminal commands
*/
static void fb_putchar(int item,char ch)
{
switch (ch) {
case '\n':
invert_cursor(item);
FB(item,position) += FB(item,columns);
FB(item,position) -= FB(item,position) % FB(item,columns);
break;
case '\r':
invert_cursor(item);
FB(item,position) -= FB(item,position) % FB(item,columns);
break;
case '\b':
invert_cursor(item);
if (FB(item,position) % FB(item,columns))
FB(item,position)--;
break;
case '\t':
invert_cursor(item);
do {
draw_char(item,' ');
FB(item,position)++;
} while (FB(item,position) % 8);
break;
default:
draw_char(item,ch);
FB(item,position)++;
}
if (FB(item,position) >= FB(item,columns) * FB(item,rows)) {
FB(item,position) -= FB(item,columns);
scroll_screen(item);
}
invert_cursor(item);
}
/** Initialize framebuffer as a chardev output device
*
* @param addr Address of theframebuffer
* @param x Screen width in pixels
* @param y Screen height in pixels
* @param bpp Bits per pixel (8, 16, 24, 32)
* @param scan Bytes per one scanline
*
*/
void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan,
unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR)
{
if( (graphics_items[item]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL)
{
return;
}
switch (bpp) {
case 8:
FB(item,putpixel) = putpixel_1byte;
FB(item,getpixel) = getpixel_1byte;
FB(item,pixelbytes) = 1;
break;
case 16:
FB(item,putpixel) = putpixel_2byte;
FB(item,getpixel) = getpixel_2byte;
FB(item,pixelbytes) = 2;
break;
case 24:
FB(item,putpixel) = putpixel_3byte;
FB(item,getpixel) = getpixel_3byte;
FB(item,pixelbytes) = 3;
break;
case 32:
FB(item,putpixel) = putpixel_4byte;
FB(item,getpixel) = getpixel_4byte;
FB(item,pixelbytes) = 4;
break;
}
FB(item,fbaddress) = (unsigned char *) addr;
FB(item,xres) = x;
FB(item,yres) = y;
FB(item,scanline) = scan;
FB(item,rows) = y / FONT_SCANLINES;
FB(item,columns) = x / COL_WIDTH;
FB(item,BGCOLOR)=BGCOLOR;
FB(item,FGCOLOR)=FGCOLOR;
FB(item,LOGOCOLOR)=LOGOCOLOR;
clear_screen(item);
draw_logo(item,FB(item,xres) - helenos_width, 0);
invert_cursor(item);
}
static int get_free_item()
{
int item;
for(item=0;graphics_items[item]!=NULL;item++);
return (item==GRAPHICS_ITEMS)?EFB:item;
}
unsigned int mod_col(unsigned int col,int mod)
{
if(mod & 1) col^=0xff;
if(mod & 2) col^=0xff00;
if(mod & 4) col^=0xff0000;
return col;
}
int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size,
unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR)
{
int item_new;
if(EFB==(item_new=get_free_item()))return EFB;
if( (graphics_items[item_new]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL)
{
return EFB;
}
FB(item_new,putpixel) = FB(item,putpixel);
FB(item_new,getpixel) = FB(item,getpixel);
FB(item_new,pixelbytes) = FB(item,pixelbytes);
FB(item_new,fbaddress) = FB(item,fbaddress) + POINTPOS(x, y) ;
FB(item_new,xres) = x_size;
FB(item_new,yres) = y_size;
FB(item_new,scanline) = FB(item,scanline);
FB(item_new,rows) = y_size / FONT_SCANLINES;
FB(item_new,columns) = x_size / COL_WIDTH;
FB(item_new,BGCOLOR)=BGCOLOR;
FB(item_new,FGCOLOR)=FGCOLOR;
FB(item_new,LOGOCOLOR)=LOGOCOLOR;
clear_screen(item_new);
draw_logo(item_new,FB(item_new,xres) - helenos_width, 0);
invert_cursor(item_new);
return item_new;
}