WebSVN – HelenOS-historic – Diff – /uspace/trunk/fb/fb.c


/*
 * 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 <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ddi.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 DEFAULT_BGCOLOR                0x000080
#define DEFAULT_FGCOLOR                0xffff00
 
/***************************************************************/
/* Pixel specific fuctions */
 
typedef void (*putpixel_fn_t)(unsigned int x, unsigned int y, int color);
typedef int (*getpixel_fn_t)(unsigned int x, unsigned int y);
 
struct {
    __u8 *fbaddress ;
 
    unsigned int xres ;
    unsigned int yres ;
    unsigned int scanline ;
    unsigned int pixelbytes ;
 
    putpixel_fn_t putpixel;
    getpixel_fn_t getpixel;
} screen;
 
typedef struct {
    int initialized;
    unsigned int x, y;
    unsigned int width, height;
 
    /* Text support in window */
    unsigned int rows, cols;
    /* Style for text printing */
    int bgcolor, fgcolor;
    /* Auto-cursor position */
    int cursor_active, cur_col, cur_row;
} viewport_t;
 
#define MAX_VIEWPORTS 128
static viewport_t viewports[128];
 
/* Allow only 1 connection */
static int client_connected = 0;
 
#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 COL_WIDTH   8
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
 
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
 
/** Put pixel - 24-bit depth, 1 free byte */
static void putpixel_4byte(unsigned int x, unsigned int y, int color)
{
    *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) = color;
}
 
/** Return pixel color - 24-bit depth, 1 free byte */
static int getpixel_4byte(unsigned int x, unsigned int y)
{
    return *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) & 0xffffff;
}
 
/** Put pixel - 24-bit depth */
static void putpixel_3byte(unsigned int x, unsigned int y, int color)
{
    unsigned int startbyte = POINTPOS(x, y);
 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
    screen.fbaddress[startbyte] = RED(color, 8);
    screen.fbaddress[startbyte + 1] = GREEN(color, 8);
    screen.fbaddress[startbyte + 2] = BLUE(color, 8);
#else
    screen.fbaddress[startbyte + 2] = RED(color, 8);
    screen.fbaddress[startbyte + 1] = GREEN(color, 8);
    screen.fbaddress[startbyte + 0] = BLUE(color, 8);
#endif
 
}
 
/** Return pixel color - 24-bit depth */
static int getpixel_3byte(unsigned int x, unsigned int y)
{
    unsigned int startbyte = POINTPOS(x, y);
 
 
 
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
    return screen.fbaddress[startbyte] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 2];
#else
    return screen.fbaddress[startbyte + 2] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 0];
#endif
                               
 
}
 
/** Put pixel - 16-bit depth (5:6:5) */
static void putpixel_2byte(unsigned int x, unsigned int y, int color)
{
    /* 5-bit, 6-bits, 5-bits */
    *((__u16 *)(screen.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(unsigned int x, unsigned int y)
{
    int color = *((__u16 *)(screen.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(unsigned int x, unsigned int y, int color)
{
    screen.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(unsigned int x, unsigned int y)
{
    int color = screen.fbaddress[POINTPOS(x, y)];
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
}
 
static void putpixel(int vp, unsigned int x, unsigned int y, int color)
{
    screen.putpixel(viewports[vp].x + x, viewports[vp].y + y, color);
}
static int getpixel(int vp, unsigned int x, unsigned int y)
{
    return screen.getpixel(viewports[vp].x + x, viewports[vp].y + y);
}
 
/** Fill line with color BGCOLOR */
static void clear_line(int vp, unsigned int y)
{
    unsigned int x;
    for (x = 0; x < viewports[vp].width; x++)
        putpixel(vp, x, y, viewports[vp].bgcolor);
}
 
/** Fill viewport with background color */
static void clear_port(int vp)
{
    unsigned int y;
 
    clear_line(vp, 0);
    for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) {
        memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
               &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
               screen.pixelbytes * viewports[vp].width);
    }  
}
 
/** Scroll port up/down
 *
 * @param vp Viewport to scroll
 * @param rows Positive number - scroll up, negative - scroll down
 */
static void scroll_port(int vp, int rows)
{
    int y;
    int startline;
    int endline;
   
    if (rows > 0) {
        for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++)
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
                   &screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)],
                   screen.pixelbytes * viewports[vp].width);
        /* Clear last row */
        startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1);
        endline = viewports[vp].y + viewports[vp].height;
        clear_line(vp, startline);
        for (y=startline+1;y < endline; y++)
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
                   &screen.fbaddress[POINTPOS(viewports[vp].x,startline)],
                   screen.pixelbytes * viewports[vp].width);
                 
    } else if (rows < 0) {
        rows = -rows;
        for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--)
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
                &screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)],
                screen.pixelbytes * viewports[vp].width);
        /* Clear first row */
        clear_line(0, viewports[vp].bgcolor);
        for (y=1;y < rows*FONT_SCANLINES; y++)
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)],
                   &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
                   screen.pixelbytes * viewports[vp].width);
    }
}
 
static void invert_pixel(int vp,unsigned int x, unsigned int y)
{
    putpixel(vp, x, y, ~getpixel(vp, x, y));
}
 
 
/** Draw one line of glyph at a given position */
static void draw_glyph_line(int vp,unsigned int glline, unsigned int x, unsigned int y)
{
    unsigned int i;
 
    for (i = 0; i < 8; i++)
        if (glline & (1 << (7 - i))) {
            putpixel(vp, x + i, y, viewports[vp].fgcolor);
        } else
            putpixel(vp, x + i, y, viewports[vp].bgcolor);
}
 
/***************************************************************/
/* Character-console functions */
 
/** Draw character at given position */
static void draw_glyph(int vp,__u8 glyph, unsigned int row, unsigned int col)
{
    unsigned int y;
 
    for (y = 0; y < FONT_SCANLINES; y++)
        draw_glyph_line(vp ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y);
}
 
/** Invert character at given position */
static void invert_char(int vp,unsigned int row, unsigned int col)
{
    unsigned int x;
    unsigned int y;
 
    for (x = 0; x < COL_WIDTH; x++)
        for (y = 0; y < FONT_SCANLINES; y++)
            invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
}
 
static void draw_logo(int vp,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)
                putpixel(vp ,startx + x, starty + y, viewports[vp].fgcolor);
        }
}
 
/***************************************************************/
/* Stdout specific functions */
 
 
/** Create new viewport
 *
 * @return New viewport number
 */
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
               unsigned int height)
{
    int i;
 
    for (i=0; i < MAX_VIEWPORTS; i++) {
        if (!viewports[i].initialized)
            break;
    }
    if (i == MAX_VIEWPORTS)
        return ELIMIT;
 
    if (width ==0 || height == 0 ||
        x+width > screen.xres || y+height > screen.yres)
        return EINVAL;
    if (width < FONT_SCANLINES || height < COL_WIDTH)
        return EINVAL;
 
    viewports[i].x = x;
    viewports[i].y = y;
    viewports[i].width = width;
    viewports[i].height = height;
   
    viewports[i].rows = height / FONT_SCANLINES;
    viewports[i].cols = width / COL_WIDTH;
 
    viewports[i].bgcolor = DEFAULT_BGCOLOR;
    viewports[i].fgcolor = DEFAULT_FGCOLOR;
   
    viewports[i].cur_col = 0;
    viewports[i].cur_row = 0;
    viewports[i].cursor_active = 0;
 
    viewports[i].initialized = 1;
 
    return i;
}
 
 
/** 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
 *
 */
static void screen_init(__address addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
{
    switch (bpp) {
        case 8:
            screen.putpixel = putpixel_1byte;
            screen.getpixel = getpixel_1byte;
            screen.pixelbytes = 1;
            break;
        case 16:
            screen.putpixel = putpixel_2byte;
            screen.getpixel = getpixel_2byte;
            screen.pixelbytes = 2;
            break;
        case 24:
            screen.putpixel = putpixel_3byte;
            screen.getpixel = getpixel_3byte;
            screen.pixelbytes = 3;
            break;
        case 32:
            screen.putpixel = putpixel_4byte;
            screen.getpixel = getpixel_4byte;
            screen.pixelbytes = 4;
            break;
    }
 
       
    screen.fbaddress = (unsigned char *) addr;
    screen.xres = xres;
    screen.yres = yres;
    screen.scanline = scan;
   
    /* Create first viewport */
    viewport_create(0,0,xres,yres);
 
    clear_port(0);
}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
static void draw_char(int vp, char c, unsigned int row, unsigned int col)
{
    viewport_t *vport = &viewports[vp];
 
    if (vport->cursor_active && (vport->cur_col != col || vport->cur_row != row))
        invert_char(vp, vport->cur_row, vport->cur_col);
   
    draw_glyph(vp, c, row, col);
 
    vport->cur_col = col;
    vport->cur_row = row;
 
    vport->cur_col++;
    if (vport->cur_col>= vport->cols) {
        vport->cur_col = 0;
        vport->cur_row++;
        if (vport->cur_row >= vport->rows)
            vport->cur_row--;
    }
    if (vport->cursor_active)
        invert_char(vp, vport->cur_row, vport->cur_col);
}
 
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int retval;
    int i;
    unsigned int row,col;
    char c;
 
    int vp = 0;
    viewport_t *vport = &viewports[0];
 
    if (client_connected) {
        ipc_answer_fast(iid, ELIMIT, 0,0);
        return;
    }
    client_connected = 1;
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
 
    while (1) {
        callid = async_get_call(&call);
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            client_connected = 0;
            /* cleanup other viewports */
            for (i=1; i < MAX_VIEWPORTS; i++)
                vport->initialized = 0;
            ipc_answer_fast(callid,0,0,0);
            return; /* Exit thread */
        case FB_PUTCHAR:
            c = IPC_GET_ARG1(call);
            row = IPC_GET_ARG2(call);
            col = IPC_GET_ARG3(call);
            if (row >= vport->rows || col >= vport->cols) {
                retval = EINVAL;
                break;
            }
            ipc_answer_fast(callid,0,0,0);
 
            draw_char(vp, c, row, col);
            continue; /* msg already answered */
        case FB_CLEAR:
            clear_port(vp);
            if (vport->cursor_active)
                invert_char(vp, vport->cur_row, vport->cur_col);
            retval = 0;
            break;
        case FB_CURSOR_GOTO:
            row = IPC_GET_ARG1(call);
            col = IPC_GET_ARG2(call);
            if (row >= vport->rows || col >= vport->cols) {
                retval = EINVAL;
                break;
            }
            retval = 0;
            if (viewports[vp].cursor_active) {
                invert_char(vp, vport->cur_row, vport->cur_col);
                invert_char(vp, row, col);
            }
            vport->cur_col = col;
            vport->cur_row = row;
            break;
        case FB_CURSOR_VISIBILITY:
            i = IPC_GET_ARG1(call);
            retval = 0;
            if ((i && vport->cursor_active) || (!i && !vport->cursor_active))
                break;
 
            vport->cursor_active = i;
            invert_char(vp, vport->cur_row, vport->cur_col);
            break;
        case FB_GET_CSIZE:
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
            continue;
        case FB_SCROLL:
            i = IPC_GET_ARG1(call);
            if (i > vport->rows || i < (- (int)vport->rows)) {
                retval = EINVAL;
                break;
            }
            if (vport->cursor_active)
                invert_char(vp, vport->cur_row, vport->cur_col);
            scroll_port(vp, i);
            if (vport->cursor_active)
                invert_char(vp, vport->cur_row, vport->cur_col);
            retval = 0;
            break;
        case FB_VIEWPORT_SWITCH:
            i = IPC_GET_ARG1(call);
            if (i < 0 || i >= MAX_VIEWPORTS) {
                retval = EINVAL;
                break;
            }
            if (! viewports[i].initialized ) {
                retval = EADDRNOTAVAIL;
                break;
            }
            vp = i;
            vport = &viewports[vp];
            retval = 0;
            break;
        case FB_VIEWPORT_CREATE:
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
                         IPC_GET_ARG1(call) & 0xffff,
                         IPC_GET_ARG2(call) >> 16,
                         IPC_GET_ARG2(call) & 0xffff);
            break;
        case FB_VIEWPORT_DELETE:
            i = IPC_GET_ARG1(call);
            if (i < 0 || i >= MAX_VIEWPORTS) {
                retval = EINVAL;
                break;
            }
            if (! viewports[i].initialized ) {
                retval = EADDRNOTAVAIL;
                break;
            }
            viewports[i].initialized = 0;
            retval = 0;
            break;
        case FB_SET_STYLE:
            vport->fgcolor = IPC_GET_ARG1(call);
            vport->bgcolor = IPC_GET_ARG2(call);
            retval = 0;
            break;
        case FB_GET_RESOLUTION:
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
            continue;
        default:
            retval = ENOENT;
        }
        ipc_answer_fast(callid,retval,0,0);
    }
}
 
int fb_init(void)
{
    __address fb_ph_addr;
    unsigned int fb_width;
    unsigned int fb_height;
    unsigned int fb_bpp;
    unsigned int fb_scanline;
    __address fb_addr;
 
    async_set_client_connection(fb_client_connection);
 
    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);
   
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);
 
 
 
    return 0;
}
 
 

Rev 1489	Rev 1490
1	/*	1	/*
2	* Copyright (C) 2006 Jakub Vana	2	* Copyright (C) 2006 Jakub Vana
3	* Copyright (C) 2006 Ondrej Palkovsky	3	* Copyright (C) 2006 Ondrej Palkovsky
4	* All rights reserved.	4	* All rights reserved.
5	*	5	*
6	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
8	* are met:	8	* are met:
9	*	9	*
10	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
12	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
15	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
17	*	17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	28	*/
29		29
30	#include <stdio.h>	-
31	#include <stdlib.h>	30	#include <stdlib.h>
32	#include <unistd.h>	31	#include <unistd.h>
33	#include <string.h>	32	#include <string.h>
34	#include <ddi.h>	33	#include <ddi.h>
35	#include <task.h>	-
36	#include <sysinfo.h>	34	#include <sysinfo.h>
37	#include <align.h>	35	#include <align.h>
38	#include <as.h>	36	#include <as.h>
39	#include <ipc/fb.h>	37	#include <ipc/fb.h>
40	#include <ipc/ipc.h>	38	#include <ipc/ipc.h>
41	#include <ipc/ns.h>	39	#include <ipc/ns.h>
42	#include <ipc/services.h>	40	#include <ipc/services.h>
43	#include <kernel/errno.h>	41	#include <kernel/errno.h>
44	#include <async.h>	42	#include <async.h>
45	#include "font-8x16.h"	43	#include "font-8x16.h"
46	#include "helenos.xbm"	44	#include "helenos.xbm"
47	#include "fb.h"	45	#include "fb.h"
48		46
49	#define DEFAULT_BGCOLOR 0x000080	47	#define DEFAULT_BGCOLOR 0x000080
50	#define DEFAULT_FGCOLOR 0xffff00	48	#define DEFAULT_FGCOLOR 0xffff00
51		49
52	/***************************************************************/	50	/***************************************************************/
53	/* Pixel specific fuctions */	51	/* Pixel specific fuctions */
54		52
55	typedef void (*putpixel_fn_t)(unsigned int x, unsigned int y, int color);	53	typedef void (*putpixel_fn_t)(unsigned int x, unsigned int y, int color);
56	typedef int (*getpixel_fn_t)(unsigned int x, unsigned int y);	54	typedef int (*getpixel_fn_t)(unsigned int x, unsigned int y);
57		55
58	struct {	56	struct {
59	__u8 *fbaddress ;	57	__u8 *fbaddress ;
60		58
61	unsigned int xres ;	59	unsigned int xres ;
62	unsigned int yres ;	60	unsigned int yres ;
63	unsigned int scanline ;	61	unsigned int scanline ;
64	unsigned int pixelbytes ;	62	unsigned int pixelbytes ;
65		63
66	putpixel_fn_t putpixel;	64	putpixel_fn_t putpixel;
67	getpixel_fn_t getpixel;	65	getpixel_fn_t getpixel;
68	} screen;	66	} screen;
69		67
70	typedef struct {	68	typedef struct {
71	int initialized;	69	int initialized;
72	unsigned int x, y;	70	unsigned int x, y;
73	unsigned int width, height;	71	unsigned int width, height;
74		72
75	/* Text support in window */	73	/* Text support in window */
76	unsigned int rows, cols;	74	unsigned int rows, cols;
77	/* Style for text printing */	75	/* Style for text printing */
78	int bgcolor, fgcolor;	76	int bgcolor, fgcolor;
79	/* Auto-cursor position */	77	/* Auto-cursor position */
80	int cursor_active, cur_col, cur_row;	78	int cursor_active, cur_col, cur_row;
81	} viewport_t;	79	} viewport_t;
82		80
83	#define MAX_VIEWPORTS 128	81	#define MAX_VIEWPORTS 128
84	static viewport_t viewports[128];	82	static viewport_t viewports[128];
85		83
86	/* Allow only 1 connection */	84	/* Allow only 1 connection */
87	static int client_connected = 0;	85	static int client_connected = 0;
88		86
89	#define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))	87	#define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
90	#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))	88	#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
91	#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1))	89	#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1))
92		90
93	#define COL_WIDTH 8	91	#define COL_WIDTH 8
94	#define ROW_BYTES (screen.scanline * FONT_SCANLINES)	92	#define ROW_BYTES (screen.scanline * FONT_SCANLINES)
95		93
96	#define POINTPOS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes)	94	#define POINTPOS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes)
97		95
98	/** Put pixel - 24-bit depth, 1 free byte */	96	/** Put pixel - 24-bit depth, 1 free byte */
99	static void putpixel_4byte(unsigned int x, unsigned int y, int color)	97	static void putpixel_4byte(unsigned int x, unsigned int y, int color)
100	{	98	{
101	((__u32 )(screen.fbaddress + POINTPOS(x, y))) = color;	99	((__u32 )(screen.fbaddress + POINTPOS(x, y))) = color;
102	}	100	}
103		101
104	/** Return pixel color - 24-bit depth, 1 free byte */	102	/** Return pixel color - 24-bit depth, 1 free byte */
105	static int getpixel_4byte(unsigned int x, unsigned int y)	103	static int getpixel_4byte(unsigned int x, unsigned int y)
106	{	104	{
107	return ((__u32 )(screen.fbaddress + POINTPOS(x, y))) & 0xffffff;	105	return ((__u32 )(screen.fbaddress + POINTPOS(x, y))) & 0xffffff;
108	}	106	}
109		107
110	/** Put pixel - 24-bit depth */	108	/** Put pixel - 24-bit depth */
111	static void putpixel_3byte(unsigned int x, unsigned int y, int color)	109	static void putpixel_3byte(unsigned int x, unsigned int y, int color)
112	{	110	{
113	unsigned int startbyte = POINTPOS(x, y);	111	unsigned int startbyte = POINTPOS(x, y);
114		112
115	#if (defined(BIG_ENDIAN) \|\| defined(FB_BIG_ENDIAN))	113	#if (defined(BIG_ENDIAN) \|\| defined(FB_BIG_ENDIAN))
116	screen.fbaddress[startbyte] = RED(color, 8);	114	screen.fbaddress[startbyte] = RED(color, 8);
117	screen.fbaddress[startbyte + 1] = GREEN(color, 8);	115	screen.fbaddress[startbyte + 1] = GREEN(color, 8);
118	screen.fbaddress[startbyte + 2] = BLUE(color, 8);	116	screen.fbaddress[startbyte + 2] = BLUE(color, 8);
119	#else	117	#else
120	screen.fbaddress[startbyte + 2] = RED(color, 8);	118	screen.fbaddress[startbyte + 2] = RED(color, 8);
121	screen.fbaddress[startbyte + 1] = GREEN(color, 8);	119	screen.fbaddress[startbyte + 1] = GREEN(color, 8);
122	screen.fbaddress[startbyte + 0] = BLUE(color, 8);	120	screen.fbaddress[startbyte + 0] = BLUE(color, 8);
123	#endif	121	#endif
124		122
125	}	123	}
126		124
127	/** Return pixel color - 24-bit depth */	125	/** Return pixel color - 24-bit depth */
128	static int getpixel_3byte(unsigned int x, unsigned int y)	126	static int getpixel_3byte(unsigned int x, unsigned int y)
129	{	127	{
130	unsigned int startbyte = POINTPOS(x, y);	128	unsigned int startbyte = POINTPOS(x, y);
131		129
132		130
133		131
134	#if (defined(BIG_ENDIAN) \|\| defined(FB_BIG_ENDIAN))	132	#if (defined(BIG_ENDIAN) \|\| defined(FB_BIG_ENDIAN))
135	return screen.fbaddress[startbyte] << 16 \| screen.fbaddress[startbyte + 1] << 8 \| screen.fbaddress[startbyte + 2];	133	return screen.fbaddress[startbyte] << 16 \| screen.fbaddress[startbyte + 1] << 8 \| screen.fbaddress[startbyte + 2];
136	#else	134	#else
137	return screen.fbaddress[startbyte + 2] << 16 \| screen.fbaddress[startbyte + 1] << 8 \| screen.fbaddress[startbyte + 0];	135	return screen.fbaddress[startbyte + 2] << 16 \| screen.fbaddress[startbyte + 1] << 8 \| screen.fbaddress[startbyte + 0];
138	#endif	136	#endif
139		137
140		138
141	}	139	}
142		140
143	/** Put pixel - 16-bit depth (5:6:5) */	141	/** Put pixel - 16-bit depth (5:6:5) */
144	static void putpixel_2byte(unsigned int x, unsigned int y, int color)	142	static void putpixel_2byte(unsigned int x, unsigned int y, int color)
145	{	143	{
146	/* 5-bit, 6-bits, 5-bits */	144	/* 5-bit, 6-bits, 5-bits */
147	((__u16 )(screen.fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 \| GREEN(color, 6) << 5 \| BLUE(color, 5);	145	((__u16 )(screen.fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 \| GREEN(color, 6) << 5 \| BLUE(color, 5);
148	}	146	}
149		147
150	/** Return pixel color - 16-bit depth (5:6:5) */	148	/** Return pixel color - 16-bit depth (5:6:5) */
151	static int getpixel_2byte(unsigned int x, unsigned int y)	149	static int getpixel_2byte(unsigned int x, unsigned int y)
152	{	150	{
153	int color = ((__u16 )(screen.fbaddress + POINTPOS(x, y)));	151	int color = ((__u16 )(screen.fbaddress + POINTPOS(x, y)));
154	return (((color >> 11) & 0x1f) << (16 + 3)) \| (((color >> 5) & 0x3f) << (8 + 2)) \| ((color & 0x1f) << 3);	152	return (((color >> 11) & 0x1f) << (16 + 3)) \| (((color >> 5) & 0x3f) << (8 + 2)) \| ((color & 0x1f) << 3);
155	}	153	}
156		154
157	/** Put pixel - 8-bit depth (3:2:3) */	155	/** Put pixel - 8-bit depth (3:2:3) */
158	static void putpixel_1byte(unsigned int x, unsigned int y, int color)	156	static void putpixel_1byte(unsigned int x, unsigned int y, int color)
159	{	157	{
160	screen.fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 \| GREEN(color, 2) << 3 \| BLUE(color, 3);	158	screen.fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 \| GREEN(color, 2) << 3 \| BLUE(color, 3);
161	}	159	}
162		160
163	/** Return pixel color - 8-bit depth (3:2:3) */	161	/** Return pixel color - 8-bit depth (3:2:3) */
164	static int getpixel_1byte(unsigned int x, unsigned int y)	162	static int getpixel_1byte(unsigned int x, unsigned int y)
165	{	163	{
166	int color = screen.fbaddress[POINTPOS(x, y)];	164	int color = screen.fbaddress[POINTPOS(x, y)];
167	return (((color >> 5) & 0x7) << (16 + 5)) \| (((color >> 3) & 0x3) << (8 + 6)) \| ((color & 0x7) << 5);	165	return (((color >> 5) & 0x7) << (16 + 5)) \| (((color >> 3) & 0x3) << (8 + 6)) \| ((color & 0x7) << 5);
168	}	166	}
169		167
170	static void putpixel(int vp, unsigned int x, unsigned int y, int color)	168	static void putpixel(int vp, unsigned int x, unsigned int y, int color)
171	{	169	{
172	screen.putpixel(viewports[vp].x + x, viewports[vp].y + y, color);	170	screen.putpixel(viewports[vp].x + x, viewports[vp].y + y, color);
173	}	171	}
174	static int getpixel(int vp, unsigned int x, unsigned int y)	172	static int getpixel(int vp, unsigned int x, unsigned int y)
175	{	173	{
176	return screen.getpixel(viewports[vp].x + x, viewports[vp].y + y);	174	return screen.getpixel(viewports[vp].x + x, viewports[vp].y + y);
177	}	175	}
178		176
179	/** Fill line with color BGCOLOR */	177	/** Fill line with color BGCOLOR */
180	static void clear_line(int vp, unsigned int y)	178	static void clear_line(int vp, unsigned int y)
181	{	179	{
182	unsigned int x;	180	unsigned int x;
183	for (x = 0; x < viewports[vp].width; x++)	181	for (x = 0; x < viewports[vp].width; x++)
184	putpixel(vp, x, y, viewports[vp].bgcolor);	182	putpixel(vp, x, y, viewports[vp].bgcolor);
185	}	183	}
186		184
187	/** Fill viewport with background color */	185	/** Fill viewport with background color */
188	static void clear_port(int vp)	186	static void clear_port(int vp)
189	{	187	{
190	unsigned int y;	188	unsigned int y;
191		189
192	clear_line(vp, 0);	190	clear_line(vp, 0);
193	for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) {	191	for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) {
194	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],	192	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
195	&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],	193	&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
196	screen.pixelbytes * viewports[vp].width);	194	screen.pixelbytes * viewports[vp].width);
197	}	195	}
198	}	196	}
199		197
200	/** Scroll port up/down	198	/** Scroll port up/down
201	*	199	*
202	* @param vp Viewport to scroll	200	* @param vp Viewport to scroll
203	* @param rows Positive number - scroll up, negative - scroll down	201	* @param rows Positive number - scroll up, negative - scroll down
204	*/	202	*/
205	static void scroll_port(int vp, int rows)	203	static void scroll_port(int vp, int rows)
206	{	204	{
207	int y;	205	int y;
208	int startline;	206	int startline;
209	int endline;	207	int endline;
210		208
211	if (rows > 0) {	209	if (rows > 0) {
212	for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++)	210	for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++)
213	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],	211	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
214	&screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)],	212	&screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)],
215	screen.pixelbytes * viewports[vp].width);	213	screen.pixelbytes * viewports[vp].width);
216	/* Clear last row */	214	/* Clear last row */
217	startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1);	215	startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1);
218	endline = viewports[vp].y + viewports[vp].height;	216	endline = viewports[vp].y + viewports[vp].height;
219	clear_line(vp, startline);	217	clear_line(vp, startline);
220	for (y=startline+1;y < endline; y++)	218	for (y=startline+1;y < endline; y++)
221	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],	219	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
222	&screen.fbaddress[POINTPOS(viewports[vp].x,startline)],	220	&screen.fbaddress[POINTPOS(viewports[vp].x,startline)],
223	screen.pixelbytes * viewports[vp].width);	221	screen.pixelbytes * viewports[vp].width);
224		222
225	} else if (rows < 0) {	223	} else if (rows < 0) {
226	rows = -rows;	224	rows = -rows;
227	for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--)	225	for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--)
228	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],	226	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
229	&screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)],	227	&screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)],
230	screen.pixelbytes * viewports[vp].width);	228	screen.pixelbytes * viewports[vp].width);
231	/* Clear first row */	229	/* Clear first row */
232	clear_line(0, viewports[vp].bgcolor);	230	clear_line(0, viewports[vp].bgcolor);
233	for (y=1;y < rows*FONT_SCANLINES; y++)	231	for (y=1;y < rows*FONT_SCANLINES; y++)
234	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)],	232	memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)],
235	&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],	233	&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
236	screen.pixelbytes * viewports[vp].width);	234	screen.pixelbytes * viewports[vp].width);
237	}	235	}
238	}	236	}
239		237
240	static void invert_pixel(int vp,unsigned int x, unsigned int y)	238	static void invert_pixel(int vp,unsigned int x, unsigned int y)
241	{	239	{
242	putpixel(vp, x, y, ~getpixel(vp, x, y));	240	putpixel(vp, x, y, ~getpixel(vp, x, y));
243	}	241	}
244		242
245		243
246	/** Draw one line of glyph at a given position */	244	/** Draw one line of glyph at a given position */
247	static void draw_glyph_line(int vp,unsigned int glline, unsigned int x, unsigned int y)	245	static void draw_glyph_line(int vp,unsigned int glline, unsigned int x, unsigned int y)
248	{	246	{
249	unsigned int i;	247	unsigned int i;
250		248
251	for (i = 0; i < 8; i++)	249	for (i = 0; i < 8; i++)
252	if (glline & (1 << (7 - i))) {	250	if (glline & (1 << (7 - i))) {
253	putpixel(vp, x + i, y, viewports[vp].fgcolor);	251	putpixel(vp, x + i, y, viewports[vp].fgcolor);
254	} else	252	} else
255	putpixel(vp, x + i, y, viewports[vp].bgcolor);	253	putpixel(vp, x + i, y, viewports[vp].bgcolor);
256	}	254	}
257		255
258	/***************************************************************/	256	/***************************************************************/
259	/* Character-console functions */	257	/* Character-console functions */
260		258
261	/** Draw character at given position */	259	/** Draw character at given position */
262	static void draw_glyph(int vp,__u8 glyph, unsigned int row, unsigned int col)	260	static void draw_glyph(int vp,__u8 glyph, unsigned int row, unsigned int col)
263	{	261	{
264	unsigned int y;	262	unsigned int y;
265		263
266	for (y = 0; y < FONT_SCANLINES; y++)	264	for (y = 0; y < FONT_SCANLINES; y++)
267	draw_glyph_line(vp ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y);	265	draw_glyph_line(vp ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y);
268	}	266	}
269		267
270	/** Invert character at given position */	268	/** Invert character at given position */
271	static void invert_char(int vp,unsigned int row, unsigned int col)	269	static void invert_char(int vp,unsigned int row, unsigned int col)
272	{	270	{
273	unsigned int x;	271	unsigned int x;
274	unsigned int y;	272	unsigned int y;
275		273
276	for (x = 0; x < COL_WIDTH; x++)	274	for (x = 0; x < COL_WIDTH; x++)
277	for (y = 0; y < FONT_SCANLINES; y++)	275	for (y = 0; y < FONT_SCANLINES; y++)
278	invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y);	276	invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
279	}	277	}
280		278
281	static void draw_logo(int vp,unsigned int startx, unsigned int starty)	279	static void draw_logo(int vp,unsigned int startx, unsigned int starty)
282	{	280	{
283	unsigned int x;	281	unsigned int x;
284	unsigned int y;	282	unsigned int y;
285	unsigned int byte;	283	unsigned int byte;
286	unsigned int rowbytes;	284	unsigned int rowbytes;
287		285
288	rowbytes = (helenos_width - 1) / 8 + 1;	286	rowbytes = (helenos_width - 1) / 8 + 1;
289		287
290	for (y = 0; y < helenos_height; y++)	288	for (y = 0; y < helenos_height; y++)
291	for (x = 0; x < helenos_width; x++) {	289	for (x = 0; x < helenos_width; x++) {
292	byte = helenos_bits[rowbytes * y + x / 8];	290	byte = helenos_bits[rowbytes * y + x / 8];
293	byte >>= x % 8;	291	byte >>= x % 8;
294	if (byte & 1)	292	if (byte & 1)
295	putpixel(vp ,startx + x, starty + y, viewports[vp].fgcolor);	293	putpixel(vp ,startx + x, starty + y, viewports[vp].fgcolor);
296	}	294	}
297	}	295	}
298		296
299	/***************************************************************/	297	/***************************************************************/
300	/* Stdout specific functions */	298	/* Stdout specific functions */
301		299
302		300
303	/** Create new viewport	301	/** Create new viewport
304	*	302	*
305	* @return New viewport number	303	* @return New viewport number
306	*/	304	*/
307	static int viewport_create(unsigned int x, unsigned int y,unsigned int width,	305	static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
308	unsigned int height)	306	unsigned int height)
309	{	307	{
310	int i;	308	int i;
311		309
312	for (i=0; i < MAX_VIEWPORTS; i++) {	310	for (i=0; i < MAX_VIEWPORTS; i++) {
313	if (!viewports[i].initialized)	311	if (!viewports[i].initialized)
314	break;	312	break;
315	}	313	}
316	if (i == MAX_VIEWPORTS)	314	if (i == MAX_VIEWPORTS)
317	return ELIMIT;	315	return ELIMIT;
318		316
319	if (width ==0 \|\| height == 0 \|\|	317	if (width ==0 \|\| height == 0 \|\|
320	x+width > screen.xres \|\| y+height > screen.yres)	318	x+width > screen.xres \|\| y+height > screen.yres)
321	return EINVAL;	319	return EINVAL;
322	if (width < FONT_SCANLINES \|\| height < COL_WIDTH)	320	if (width < FONT_SCANLINES \|\| height < COL_WIDTH)
323	return EINVAL;	321	return EINVAL;
324		322
325	viewports[i].x = x;	323	viewports[i].x = x;
326	viewports[i].y = y;	324	viewports[i].y = y;
327	viewports[i].width = width;	325	viewports[i].width = width;
328	viewports[i].height = height;	326	viewports[i].height = height;
329		327
330	viewports[i].rows = height / FONT_SCANLINES;	328	viewports[i].rows = height / FONT_SCANLINES;
331	viewports[i].cols = width / COL_WIDTH;	329	viewports[i].cols = width / COL_WIDTH;
332		330
333	viewports[i].bgcolor = DEFAULT_BGCOLOR;	331	viewports[i].bgcolor = DEFAULT_BGCOLOR;
334	viewports[i].fgcolor = DEFAULT_FGCOLOR;	332	viewports[i].fgcolor = DEFAULT_FGCOLOR;
335		333
336	viewports[i].cur_col = 0;	334	viewports[i].cur_col = 0;
337	viewports[i].cur_row = 0;	335	viewports[i].cur_row = 0;
338	viewports[i].cursor_active = 0;	336	viewports[i].cursor_active = 0;
339		337
340	viewports[i].initialized = 1;	338	viewports[i].initialized = 1;
341		339
342	return i;	340	return i;
343	}	341	}
344		342
345		343
346	/** Initialize framebuffer as a chardev output device	344	/** Initialize framebuffer as a chardev output device
347	*	345	*
348	* @param addr Address of theframebuffer	346	* @param addr Address of theframebuffer
349	* @param x Screen width in pixels	347	* @param x Screen width in pixels
350	* @param y Screen height in pixels	348	* @param y Screen height in pixels
351	* @param bpp Bits per pixel (8, 16, 24, 32)	349	* @param bpp Bits per pixel (8, 16, 24, 32)
352	* @param scan Bytes per one scanline	350	* @param scan Bytes per one scanline
353	*	351	*
354	*/	352	*/
355	static void screen_init(__address addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)	353	static void screen_init(__address addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
356	{	354	{
357	switch (bpp) {	355	switch (bpp) {
358	case 8:	356	case 8:
359	screen.putpixel = putpixel_1byte;	357	screen.putpixel = putpixel_1byte;
360	screen.getpixel = getpixel_1byte;	358	screen.getpixel = getpixel_1byte;
361	screen.pixelbytes = 1;	359	screen.pixelbytes = 1;
362	break;	360	break;
363	case 16:	361	case 16:
364	screen.putpixel = putpixel_2byte;	362	screen.putpixel = putpixel_2byte;
365	screen.getpixel = getpixel_2byte;	363	screen.getpixel = getpixel_2byte;
366	screen.pixelbytes = 2;	364	screen.pixelbytes = 2;
367	break;	365	break;
368	case 24:	366	case 24:
369	screen.putpixel = putpixel_3byte;	367	screen.putpixel = putpixel_3byte;
370	screen.getpixel = getpixel_3byte;	368	screen.getpixel = getpixel_3byte;
371	screen.pixelbytes = 3;	369	screen.pixelbytes = 3;
372	break;	370	break;
373	case 32:	371	case 32:
374	screen.putpixel = putpixel_4byte;	372	screen.putpixel = putpixel_4byte;
375	screen.getpixel = getpixel_4byte;	373	screen.getpixel = getpixel_4byte;
376	screen.pixelbytes = 4;	374	screen.pixelbytes = 4;
377	break;	375	break;
378	}	376	}
379		377
380		378
381	screen.fbaddress = (unsigned char *) addr;	379	screen.fbaddress = (unsigned char *) addr;
382	screen.xres = xres;	380	screen.xres = xres;
383	screen.yres = yres;	381	screen.yres = yres;
384	screen.scanline = scan;	382	screen.scanline = scan;
385		383
386	/* Create first viewport */	384	/* Create first viewport */
387	viewport_create(0,0,xres,yres);	385	viewport_create(0,0,xres,yres);
388		386
389	clear_port(0);	387	clear_port(0);
390	}	388	}
391		389
392	static int init_fb(void)	-
393	{	-
394	__address fb_ph_addr;	-
395	unsigned int fb_width;	-
396	unsigned int fb_height;	-
397	unsigned int fb_bpp;	-
398	unsigned int fb_scanline;	-
399	__address fb_addr;	-
400	int a=0;	-
401	int i,j,k;	-
402	int w;	-
403	char text[]="HelenOS Framebuffer driver\non Virtual Framebuffer\nVFB ";	-
404		-
405	fb_ph_addr=sysinfo_value("fb.address.physical");	-
406	fb_width=sysinfo_value("fb.width");	-
407	fb_height=sysinfo_value("fb.height");	-
408	fb_bpp=sysinfo_value("fb.bpp");	-
409	fb_scanline=sysinfo_value("fb.scanline");	-
410		-
411	fb_addr=ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE);	-
412		-
413	map_physmem(task_get_id(),(void )((__address)fb_ph_addr),(void )fb_addr,	-
414	(fb_scanline*fb_height+PAGE_SIZE-1)>>PAGE_WIDTH,	-
415	AS_AREA_READ \| AS_AREA_WRITE \| AS_AREA_CACHEABLE);	-
416		-
417	screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);	-
418		-
419	return 0;	-
420	}	-
421		-
422	static void draw_char(int vp, char c, unsigned int row, unsigned int col)	390	static void draw_char(int vp, char c, unsigned int row, unsigned int col)
423	{	391	{
424	viewport_t *vport = &viewports[vp];	392	viewport_t *vport = &viewports[vp];
425		393
426	if (vport->cursor_active && (vport->cur_col != col \|\| vport->cur_row != row))	394	if (vport->cursor_active && (vport->cur_col != col \|\| vport->cur_row != row))
427	invert_char(vp, vport->cur_row, vport->cur_col);	395	invert_char(vp, vport->cur_row, vport->cur_col);
428		396
429	draw_glyph(vp, c, row, col);	397	draw_glyph(vp, c, row, col);
430		398
431	vport->cur_col = col;	399	vport->cur_col = col;
432	vport->cur_row = row;	400	vport->cur_row = row;
433		401
434	vport->cur_col++;	402	vport->cur_col++;
435	if (vport->cur_col>= vport->cols) {	403	if (vport->cur_col>= vport->cols) {
436	vport->cur_col = 0;	404	vport->cur_col = 0;
437	vport->cur_row++;	405	vport->cur_row++;
438	if (vport->cur_row >= vport->rows)	406	if (vport->cur_row >= vport->rows)
439	vport->cur_row--;	407	vport->cur_row--;
440	}	408	}
441	if (vport->cursor_active)	409	if (vport->cursor_active)
442	invert_char(vp, vport->cur_row, vport->cur_col);	410	invert_char(vp, vport->cur_row, vport->cur_col);
443	}	411	}
444		412
445	void client_connection(ipc_callid_t iid, ipc_call_t *icall)	413	static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
446	{	414	{
447	ipc_callid_t callid;	415	ipc_callid_t callid;
448	ipc_call_t call;	416	ipc_call_t call;
449	int retval;	417	int retval;
450	int i;	418	int i;
451	unsigned int row,col;	419	unsigned int row,col;
452	char c;	420	char c;
453		421
454	int vp = 0;	422	int vp = 0;
455	viewport_t *vport = &viewports[0];	423	viewport_t *vport = &viewports[0];
456		424
457	if (client_connected) {	425	if (client_connected) {
458	ipc_answer_fast(iid, ELIMIT, 0,0);	426	ipc_answer_fast(iid, ELIMIT, 0,0);
459	return;	427	return;
460	}	428	}
461	client_connected = 1;	429	client_connected = 1;
462	ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */	430	ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
463		431
464	while (1) {	432	while (1) {
465	callid = async_get_call(&call);	433	callid = async_get_call(&call);
466	switch (IPC_GET_METHOD(call)) {	434	switch (IPC_GET_METHOD(call)) {
467	case IPC_M_PHONE_HUNGUP:	435	case IPC_M_PHONE_HUNGUP:
468	client_connected = 0;	436	client_connected = 0;
469	/* cleanup other viewports */	437	/* cleanup other viewports */
470	for (i=1; i < MAX_VIEWPORTS; i++)	438	for (i=1; i < MAX_VIEWPORTS; i++)
471	vport->initialized = 0;	439	vport->initialized = 0;
472	ipc_answer_fast(callid,0,0,0);	440	ipc_answer_fast(callid,0,0,0);
473	return; /* Exit thread */	441	return; /* Exit thread */
474	case FB_PUTCHAR:	442	case FB_PUTCHAR:
475	c = IPC_GET_ARG1(call);	443	c = IPC_GET_ARG1(call);
476	row = IPC_GET_ARG2(call);	444	row = IPC_GET_ARG2(call);
477	col = IPC_GET_ARG3(call);	445	col = IPC_GET_ARG3(call);
478	if (row >= vport->rows \|\| col >= vport->cols) {	446	if (row >= vport->rows \|\| col >= vport->cols) {
479	retval = EINVAL;	447	retval = EINVAL;
480	break;	448	break;
481	}	449	}
482	ipc_answer_fast(callid,0,0,0);	450	ipc_answer_fast(callid,0,0,0);
483		451
484	draw_char(vp, c, row, col);	452	draw_char(vp, c, row, col);
485	continue; /* msg already answered */	453	continue; /* msg already answered */
486	case FB_CLEAR:	454	case FB_CLEAR:
487	clear_port(vp);	455	clear_port(vp);
488	if (vport->cursor_active)	456	if (vport->cursor_active)
489	invert_char(vp, vport->cur_row, vport->cur_col);	457	invert_char(vp, vport->cur_row, vport->cur_col);
490	retval = 0;	458	retval = 0;
491	break;	459	break;
492	case FB_CURSOR_GOTO:	460	case FB_CURSOR_GOTO:
493	row = IPC_GET_ARG1(call);	461	row = IPC_GET_ARG1(call);
494	col = IPC_GET_ARG2(call);	462	col = IPC_GET_ARG2(call);
495	if (row >= vport->rows \|\| col >= vport->cols) {	463	if (row >= vport->rows \|\| col >= vport->cols) {
496	retval = EINVAL;	464	retval = EINVAL;
497	break;	465	break;
498	}	466	}
499	retval = 0;	467	retval = 0;
500	if (viewports[vp].cursor_active) {	468	if (viewports[vp].cursor_active) {

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/fb/fb.c @ 1493 – Rev 1489 → 1490