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1363 vana 1
/*
2
 * Copyright (C) 2006 Jakub Vana
1404 palkovsky 3
 * Copyright (C) 2006 Ondrej Palkovsky
1363 vana 4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 *
10
 * - Redistributions of source code must retain the above copyright
11
 *   notice, this list of conditions and the following disclaimer.
12
 * - Redistributions in binary form must reproduce the above copyright
13
 *   notice, this list of conditions and the following disclaimer in the
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
16
 *   derived from this software without specific prior written permission.
17
 *
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
20
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
27
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
 */
29
 
30
#include <stdio.h>
1430 jermar 31
#include <stdlib.h>
32
#include <unistd.h>
33
#include <string.h>
1363 vana 34
#include <ddi.h>
35
#include <task.h>
36
#include <sysinfo.h>
37
#include <align.h>
38
#include <as.h>
39
#include <ipc/fb.h>
40
#include <ipc/ipc.h>
1430 jermar 41
#include <ipc/ns.h>
1363 vana 42
#include <ipc/services.h>
43
#include <kernel/errno.h>
1392 palkovsky 44
#include <async.h>
1404 palkovsky 45
#include "font-8x16.h"
46
#include "helenos.xbm"
1363 vana 47
#include "fb.h"
48
 
49
#define EFB (-1)
50
 
51
#define DEFAULT_BGCOLOR     0x000080
52
#define DEFAULT_FGCOLOR     0xffff00
53
#define DEFAULT_LOGOCOLOR   0x0000ff
54
 
55
#define MAIN_BGCOLOR        0x404000
56
#define MAIN_FGCOLOR        0x000000
57
#define MAIN_LOGOCOLOR  0x404000
58
 
59
#define SPACING (2)
60
 
61
#define H_NO_VFBS 3
62
#define V_NO_VFBS 3
63
 
64
static void fb_putchar(int item,char ch);
65
int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size,
66
    unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR);
67
void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan,
68
    unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR);
69
 
70
unsigned int mod_col(unsigned int col,int mod);
71
 
1392 palkovsky 72
static int init_fb(void)
1363 vana 73
{
74
    __address fb_ph_addr;
75
    unsigned int fb_width;
76
    unsigned int fb_height;
77
    unsigned int fb_bpp;
78
    unsigned int fb_scanline;
79
    __address fb_addr;
80
    int a=0;
1392 palkovsky 81
    int i,j,k;
82
    int w;
83
    char text[]="HelenOS Framebuffer driver\non Virtual Framebuffer\nVFB ";
1363 vana 84
 
85
    fb_ph_addr=sysinfo_value("fb.address.physical");
86
    fb_width=sysinfo_value("fb.width");
87
    fb_height=sysinfo_value("fb.height");
88
    fb_bpp=sysinfo_value("fb.bpp");
89
    fb_scanline=sysinfo_value("fb.scanline");
90
 
91
    fb_addr=ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE);
1392 palkovsky 92
 
1363 vana 93
    map_physmem(task_get_id(),(void *)((__address)fb_ph_addr),(void *)fb_addr,
1430 jermar 94
            (fb_scanline*fb_height+PAGE_SIZE-1)>>PAGE_WIDTH,
95
            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
1363 vana 96
 
97
    fb_init(0,fb_addr, fb_width, fb_height, fb_bpp, fb_scanline,
98
        MAIN_BGCOLOR,MAIN_FGCOLOR,MAIN_LOGOCOLOR);
99
 
100
    fb_putchar(0,'\n');
101
    fb_putchar(0,' ');
102
 
1392 palkovsky 103
    for(i=0;i<H_NO_VFBS;i++)
104
        for(j=0;j<V_NO_VFBS;j++) {
105
            w = create_window(0,(fb_width/H_NO_VFBS)*i+SPACING,
106
                      (fb_height/V_NO_VFBS)*j+SPACING,(fb_width/H_NO_VFBS)-2*SPACING ,
107
                      (fb_height/V_NO_VFBS)-2*SPACING,mod_col(DEFAULT_BGCOLOR,/*i+j*H_NO_VFBS*/0),
108
                      mod_col(DEFAULT_FGCOLOR,/*i+j*H_NO_VFBS*/0),
109
                      mod_col(DEFAULT_LOGOCOLOR,/*i+j*H_NO_VFBS)*/0));
110
 
111
            if( w== EFB)
112
                return -1;
113
 
114
            for(k=0;text[k];k++)
115
                fb_putchar(w,text[k]);
116
            fb_putchar(w,w+'0');
117
            fb_putchar(w,'\n');
118
        }
119
    return 0;
120
}
1363 vana 121
 
1392 palkovsky 122
int vfb_no = 1;
123
void client_connection(ipc_callid_t iid, ipc_call_t *icall)
124
{
125
    ipc_callid_t callid;
126
    ipc_call_t call;
127
    int vfb = vfb_no++;
1363 vana 128
 
1392 palkovsky 129
    if (vfb > 9) {
130
        ipc_answer_fast(iid, ELIMIT, 0,0);
131
        return;
132
    }
133
    ipc_answer_fast(iid, 0, 0, 0);
1363 vana 134
 
1392 palkovsky 135
    while (1) {
136
        callid = async_get_call(&call);
137
        switch (IPC_GET_METHOD(call)) {
138
        case IPC_M_PHONE_HUNGUP:
139
            ipc_answer_fast(callid,0,0,0);
140
            return; /* Exit thread */
1363 vana 141
 
1392 palkovsky 142
        case FB_PUTCHAR:
143
            ipc_answer_fast(callid,0,0,0);
144
            fb_putchar(vfb,IPC_GET_ARG2(call));
145
            break;
146
        default:
147
            ipc_answer_fast(callid,ENOENT,0,0);
148
        }
1363 vana 149
    }
1392 palkovsky 150
}
1363 vana 151
 
1392 palkovsky 152
int main(int argc, char *argv[])
153
{
1363 vana 154
    ipc_call_t call;
155
    ipc_callid_t callid;
156
    char connected = 0;
157
    int res;
158
    int c;
159
    ipcarg_t phonead;
160
 
161
    ipcarg_t retval, arg1, arg2;
162
 
1392 palkovsky 163
    if(!sysinfo_value("fb")) return -1;
1363 vana 164
 
165
 
166
    if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, &phonead)) != 0)
167
        return -1;
1392 palkovsky 168
 
169
    init_fb();
1363 vana 170
 
1392 palkovsky 171
    async_manager();
172
    /* Never reached */
1363 vana 173
    return 0;
174
}
175
 
176
 
177
#define GRAPHICS_ITEMS 1024
178
 
179
 
180
/***************************************************************/
181
/* Pixel specific fuctions */
182
 
183
typedef void (*putpixel_fn_t)(int item,unsigned int x, unsigned int y, int color);
184
typedef int (*getpixel_fn_t)(int item,unsigned int x, unsigned int y);
185
 
186
typedef struct framebuffer_descriptor
187
{
188
    __u8 *fbaddress ;
189
 
190
    unsigned int xres ;
191
    unsigned int yres ;
192
    unsigned int scanline ;
193
    unsigned int pixelbytes ;
194
 
195
    unsigned int position ;
196
    unsigned int columns ;
197
    unsigned int rows ;
198
 
199
    unsigned int BGCOLOR;
200
    unsigned int FGCOLOR;
201
    unsigned int LOGOCOLOR;
202
 
203
    putpixel_fn_t putpixel;
204
    getpixel_fn_t getpixel;
205
 
206
}framebuffer_descriptor_t;
207
 
208
void * graphics_items[GRAPHICS_ITEMS+1]={NULL};
209
 
210
#define FB(__a__,__b__) (((framebuffer_descriptor_t*)(graphics_items[__a__]))->__b__)
211
 
212
#define COL_WIDTH   8
213
#define ROW_BYTES   (FB(item,scanline) * FONT_SCANLINES)
214
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
215
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
216
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
217
 
218
#define POINTPOS(x, y)  (y * FB(item,scanline) + x * FB(item,pixelbytes))
219
 
220
 
221
 
222
 
223
/** Put pixel - 24-bit depth, 1 free byte */
224
static void putpixel_4byte(int item,unsigned int x, unsigned int y, int color)
225
{
226
    *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) = color;
227
}
228
 
229
/** Return pixel color - 24-bit depth, 1 free byte */
230
static int getpixel_4byte(int item,unsigned int x, unsigned int y)
231
{
232
    return *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) & 0xffffff;
233
}
234
 
235
/** Put pixel - 24-bit depth */
236
static void putpixel_3byte(int item,unsigned int x, unsigned int y, int color)
237
{
238
    unsigned int startbyte = POINTPOS(x, y);
239
 
240
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
241
    FB(item,fbaddress)[startbyte] = RED(color, 8);
242
    FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8);
243
    FB(item,fbaddress)[startbyte + 2] = BLUE(color, 8);
244
#else
245
    FB(item,fbaddress)[startbyte + 2] = RED(color, 8);
246
    FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8);
247
    FB(item,fbaddress)[startbyte + 0] = BLUE(color, 8);
248
#endif
249
 
250
}
251
 
252
/** Return pixel color - 24-bit depth */
253
static int getpixel_3byte(int item,unsigned int x, unsigned int y)
254
{
255
    unsigned int startbyte = POINTPOS(x, y);
256
 
257
 
258
 
259
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
260
    return FB(item,fbaddress)[startbyte] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 2];
261
#else
262
    return FB(item,fbaddress)[startbyte + 2] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 0];
263
#endif
264
 
265
 
266
}
267
 
268
/** Put pixel - 16-bit depth (5:6:5) */
269
static void putpixel_2byte(int item,unsigned int x, unsigned int y, int color)
270
{
271
    /* 5-bit, 6-bits, 5-bits */
272
    *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5);
273
}
274
 
275
/** Return pixel color - 16-bit depth (5:6:5) */
276
static int getpixel_2byte(int item,unsigned int x, unsigned int y)
277
{
278
    int color = *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y)));
279
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
280
}
281
 
282
/** Put pixel - 8-bit depth (3:2:3) */
283
static void putpixel_1byte(int item,unsigned int x, unsigned int y, int color)
284
{
285
    FB(item,fbaddress)[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3);
286
}
287
 
288
/** Return pixel color - 8-bit depth (3:2:3) */
289
static int getpixel_1byte(int item,unsigned int x, unsigned int y)
290
{
291
    int color = FB(item,fbaddress)[POINTPOS(x, y)];
292
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
293
}
294
 
295
/** Fill line with color BGCOLOR */
296
static void clear_line(int item,unsigned int y)
297
{
298
    unsigned int x;
299
    for (x = 0; x < FB(item,xres); x++)
300
        FB(item,putpixel)(item,x, y, FB(item,BGCOLOR));
301
}
302
 
303
 
304
/** Fill screen with background color */
305
static void clear_screen(int item)
306
{
307
    unsigned int y;
308
    for (y = 0; y < FB(item,yres); y++)
309
    {
1392 palkovsky 310
        clear_line(item,y);
1363 vana 311
    }  
312
}
313
 
314
 
315
/** Scroll screen one row up */
316
static void scroll_screen(int item)
317
{
318
    unsigned int i;
319
    unsigned int j;
320
 
321
    for(j=0;j<FB(item,yres)-FONT_SCANLINES;j++)
322
        memcpy((void *) FB(item,fbaddress)+j*FB(item,scanline),
323
            (void *) &FB(item,fbaddress)[ROW_BYTES+j*FB(item,scanline)], FB(item,pixelbytes)*FB(item,xres));
324
 
325
    //memcpy((void *) FB(item,fbaddress), (void *) &FB(item,fbaddress)[ROW_BYTES], FB(item,scanline) * FB(item,yres) - ROW_BYTES);
326
 
327
    /* Clear last row */
328
    for (i = 0; i < FONT_SCANLINES; i++)
329
        clear_line(item,(FB(item,rows) - 1) * FONT_SCANLINES + i);
330
}
331
 
332
 
333
static void invert_pixel(int item,unsigned int x, unsigned int y)
334
{
335
    FB(item,putpixel)(item, x, y, ~FB(item,getpixel)(item, x, y));
336
}
337
 
338
 
339
/** Draw one line of glyph at a given position */
340
static void draw_glyph_line(int item,unsigned int glline, unsigned int x, unsigned int y)
341
{
342
    unsigned int i;
343
 
344
    for (i = 0; i < 8; i++)
345
        if (glline & (1 << (7 - i))) {
346
            FB(item,putpixel)(item,x + i, y, FB(item,FGCOLOR));
347
        } else
348
            FB(item,putpixel)(item,x + i, y, FB(item,BGCOLOR));
349
}
350
 
351
/***************************************************************/
352
/* Character-console functions */
353
 
354
/** Draw character at given position */
355
static void draw_glyph(int item,__u8 glyph, unsigned int col, unsigned int row)
356
{
357
    unsigned int y;
358
 
359
    for (y = 0; y < FONT_SCANLINES; y++)
360
        draw_glyph_line(item ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y);
361
}
362
 
363
/** Invert character at given position */
364
static void invert_char(int item,unsigned int col, unsigned int row)
365
{
366
    unsigned int x;
367
    unsigned int y;
368
 
369
    for (x = 0; x < COL_WIDTH; x++)
370
        for (y = 0; y < FONT_SCANLINES; y++)
371
            invert_pixel(item,col * COL_WIDTH + x, row * FONT_SCANLINES + y);
372
}
373
 
374
/** Draw character at default position */
375
static void draw_char(int item,char chr)
376
{
377
    draw_glyph(item ,chr, FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns));
378
}
379
 
380
static void draw_logo(int item,unsigned int startx, unsigned int starty)
381
{
382
    unsigned int x;
383
    unsigned int y;
384
    unsigned int byte;
385
    unsigned int rowbytes;
386
 
387
    rowbytes = (helenos_width - 1) / 8 + 1;
388
 
389
    for (y = 0; y < helenos_height; y++)
390
        for (x = 0; x < helenos_width; x++) {
391
            byte = helenos_bits[rowbytes * y + x / 8];
392
            byte >>= x % 8;
393
            if (byte & 1)
394
                FB(item,putpixel)(item,startx + x, starty + y, FB(item,LOGOCOLOR));
395
        }
396
}
397
 
398
/***************************************************************/
399
/* Stdout specific functions */
400
 
401
static void invert_cursor(int item)
402
{
403
    invert_char(item,FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns));
404
}
405
 
406
/** Print character to screen
407
 *
408
 *  Emulate basic terminal commands
409
 */
410
static void fb_putchar(int item,char ch)
411
{
412
 
413
    switch (ch) {
414
        case '\n':
415
            invert_cursor(item);
416
            FB(item,position) += FB(item,columns);
417
            FB(item,position) -= FB(item,position) % FB(item,columns);
418
            break;
419
        case '\r':
420
            invert_cursor(item);
421
            FB(item,position) -= FB(item,position) % FB(item,columns);
422
            break;
423
        case '\b':
424
            invert_cursor(item);
425
            if (FB(item,position) % FB(item,columns))
426
                FB(item,position)--;
427
            break;
428
        case '\t':
429
            invert_cursor(item);
430
            do {
431
                draw_char(item,' ');
432
                FB(item,position)++;
433
            } while (FB(item,position) % 8);
434
            break;
435
        default:
436
            draw_char(item,ch);
437
            FB(item,position)++;
438
    }
439
 
440
    if (FB(item,position) >= FB(item,columns) * FB(item,rows)) {
441
        FB(item,position) -= FB(item,columns);
442
        scroll_screen(item);
443
    }
444
 
445
    invert_cursor(item);
446
 
447
}
448
 
449
 
450
/** Initialize framebuffer as a chardev output device
451
 *
452
 * @param addr Address of theframebuffer
453
 * @param x    Screen width in pixels
454
 * @param y    Screen height in pixels
455
 * @param bpp  Bits per pixel (8, 16, 24, 32)
456
 * @param scan Bytes per one scanline
457
 *
458
 */
459
void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan,
460
    unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR)
461
{
462
 
463
    if( (graphics_items[item]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL)
464
    {
465
        return;
466
    }
467
 
468
    switch (bpp) {
469
        case 8:
470
            FB(item,putpixel) = putpixel_1byte;
471
            FB(item,getpixel) = getpixel_1byte;
472
            FB(item,pixelbytes) = 1;
473
            break;
474
        case 16:
475
            FB(item,putpixel) = putpixel_2byte;
476
            FB(item,getpixel) = getpixel_2byte;
477
            FB(item,pixelbytes) = 2;
478
            break;
479
        case 24:
480
            FB(item,putpixel) = putpixel_3byte;
481
            FB(item,getpixel) = getpixel_3byte;
482
            FB(item,pixelbytes) = 3;
483
            break;
484
        case 32:
485
            FB(item,putpixel) = putpixel_4byte;
486
            FB(item,getpixel) = getpixel_4byte;
487
            FB(item,pixelbytes) = 4;
488
            break;
489
    }
490
 
491
 
1392 palkovsky 492
    FB(item,fbaddress) = (unsigned char *) addr;
493
    FB(item,xres) = x;
494
    FB(item,yres) = y;
495
    FB(item,scanline) = scan;
1363 vana 496
 
497
 
1392 palkovsky 498
    FB(item,rows) = y / FONT_SCANLINES;
499
    FB(item,columns) = x / COL_WIDTH;
1363 vana 500
 
501
    FB(item,BGCOLOR)=BGCOLOR;
502
    FB(item,FGCOLOR)=FGCOLOR;
503
    FB(item,LOGOCOLOR)=LOGOCOLOR;
504
 
505
 
1392 palkovsky 506
    clear_screen(item);
507
    draw_logo(item,FB(item,xres) - helenos_width, 0);
508
    invert_cursor(item);
1363 vana 509
 
510
}
511
 
512
 
513
static int get_free_item()
514
{
515
    int item;
516
    for(item=0;graphics_items[item]!=NULL;item++);
517
    return (item==GRAPHICS_ITEMS)?EFB:item;
518
}
519
 
520
unsigned int mod_col(unsigned int col,int mod)
521
{
522
    if(mod & 1) col^=0xff;
523
    if(mod & 2) col^=0xff00;
524
    if(mod & 4) col^=0xff0000;
525
    return col;
526
}
527
 
528
 
529
int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size,
530
    unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR)
531
{
532
    int item_new;
533
 
534
    if(EFB==(item_new=get_free_item()))return EFB;
535
 
536
 
537
    if( (graphics_items[item_new]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL)
538
    {
539
        return EFB;
540
    }
541
 
542
 
543
 
544
    FB(item_new,putpixel) = FB(item,putpixel);
545
    FB(item_new,getpixel) = FB(item,getpixel);
546
    FB(item_new,pixelbytes) = FB(item,pixelbytes);
547
 
548
    FB(item_new,fbaddress) = FB(item,fbaddress) + POINTPOS(x, y) ;
549
    FB(item_new,xres) = x_size;
550
    FB(item_new,yres) = y_size;
551
    FB(item_new,scanline) =  FB(item,scanline);
552
 
553
 
554
    FB(item_new,rows) = y_size / FONT_SCANLINES;
555
    FB(item_new,columns) = x_size / COL_WIDTH;
556
 
557
    FB(item_new,BGCOLOR)=BGCOLOR;
558
    FB(item_new,FGCOLOR)=FGCOLOR;
559
    FB(item_new,LOGOCOLOR)=LOGOCOLOR;
560
 
561
 
562
    clear_screen(item_new);
563
    draw_logo(item_new,FB(item_new,xres) - helenos_width, 0);
564
    invert_cursor(item_new);
565
 
566
    return item_new;
567
}
568
 
569
 
570