source: mainline/fb/fb.c@ f25b73d6

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since f25b73d6 was 854387b, checked in by Josef Cejka <malyzelenyhnus@…>, 19 years ago

Removed printf calls from fb.
  • Property mode set to 100644
File size: 14.7 KB
Line 
1/*
2 * Copyright (C) 2006 Jakub Vana
3 * Copyright (C) 2006 Ondrej Palkovsky
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>
31#include <stdlib.h>
32#include <unistd.h>
33#include <string.h>
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>
41#include <ipc/ns.h>
42#include <ipc/services.h>
43#include <kernel/errno.h>
44#include <async.h>
45#include "font-8x16.h"
46#include "helenos.xbm"
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
64static void fb_putchar(int item,char ch);
65int 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);
67void 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
70unsigned int mod_col(unsigned int col,int mod);
71
72static int init_fb(void)
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;
81 int i,j,k;
82 int w;
83 char text[]="HelenOS Framebuffer driver\non Virtual Framebuffer\nVFB ";
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);
92
93 map_physmem(task_get_id(),(void *)((__address)fb_ph_addr),(void *)fb_addr,
94 (fb_scanline*fb_height+PAGE_SIZE-1)>>PAGE_WIDTH,
95 AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
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
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}
121
122int vfb_no = 1;
123void 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++;
128
129 if (vfb > 9) {
130 ipc_answer_fast(iid, ELIMIT, 0,0);
131 return;
132 }
133 ipc_answer_fast(iid, 0, 0, 0);
134
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 */
141
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 }
149 }
150}
151
152int main(int argc, char *argv[])
153{
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
163 if(!sysinfo_value("fb"))
164 return -1;
165
166 if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, &phonead)) != 0)
167 return -1;
168
169 if (init_fb() != 0)
170 return -1;
171
172 async_manager();
173 /* Never reached */
174 return 0;
175}
176
177
178#define GRAPHICS_ITEMS 1024
179
180
181/***************************************************************/
182/* Pixel specific fuctions */
183
184typedef void (*putpixel_fn_t)(int item,unsigned int x, unsigned int y, int color);
185typedef int (*getpixel_fn_t)(int item,unsigned int x, unsigned int y);
186
187typedef struct framebuffer_descriptor
188{
189 __u8 *fbaddress ;
190
191 unsigned int xres ;
192 unsigned int yres ;
193 unsigned int scanline ;
194 unsigned int pixelbytes ;
195
196 unsigned int position ;
197 unsigned int columns ;
198 unsigned int rows ;
199
200 unsigned int BGCOLOR;
201 unsigned int FGCOLOR;
202 unsigned int LOGOCOLOR;
203
204 putpixel_fn_t putpixel;
205 getpixel_fn_t getpixel;
206
207}framebuffer_descriptor_t;
208
209void * graphics_items[GRAPHICS_ITEMS+1]={NULL};
210
211#define FB(__a__,__b__) (((framebuffer_descriptor_t*)(graphics_items[__a__]))->__b__)
212
213#define COL_WIDTH 8
214#define ROW_BYTES (FB(item,scanline) * FONT_SCANLINES)
215#define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
216#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
217#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1))
218
219#define POINTPOS(x, y) (y * FB(item,scanline) + x * FB(item,pixelbytes))
220
221
222
223
224/** Put pixel - 24-bit depth, 1 free byte */
225static void putpixel_4byte(int item,unsigned int x, unsigned int y, int color)
226{
227 *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) = color;
228}
229
230/** Return pixel color - 24-bit depth, 1 free byte */
231static int getpixel_4byte(int item,unsigned int x, unsigned int y)
232{
233 return *((__u32 *)(FB(item,fbaddress) + POINTPOS(x, y))) & 0xffffff;
234}
235
236/** Put pixel - 24-bit depth */
237static void putpixel_3byte(int item,unsigned int x, unsigned int y, int color)
238{
239 unsigned int startbyte = POINTPOS(x, y);
240
241#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
242 FB(item,fbaddress)[startbyte] = RED(color, 8);
243 FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8);
244 FB(item,fbaddress)[startbyte + 2] = BLUE(color, 8);
245#else
246 FB(item,fbaddress)[startbyte + 2] = RED(color, 8);
247 FB(item,fbaddress)[startbyte + 1] = GREEN(color, 8);
248 FB(item,fbaddress)[startbyte + 0] = BLUE(color, 8);
249#endif
250
251}
252
253/** Return pixel color - 24-bit depth */
254static int getpixel_3byte(int item,unsigned int x, unsigned int y)
255{
256 unsigned int startbyte = POINTPOS(x, y);
257
258
259
260#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
261 return FB(item,fbaddress)[startbyte] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 2];
262#else
263 return FB(item,fbaddress)[startbyte + 2] << 16 | FB(item,fbaddress)[startbyte + 1] << 8 | FB(item,fbaddress)[startbyte + 0];
264#endif
265
266
267}
268
269/** Put pixel - 16-bit depth (5:6:5) */
270static void putpixel_2byte(int item,unsigned int x, unsigned int y, int color)
271{
272 /* 5-bit, 6-bits, 5-bits */
273 *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5);
274}
275
276/** Return pixel color - 16-bit depth (5:6:5) */
277static int getpixel_2byte(int item,unsigned int x, unsigned int y)
278{
279 int color = *((__u16 *)(FB(item,fbaddress) + POINTPOS(x, y)));
280 return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
281}
282
283/** Put pixel - 8-bit depth (3:2:3) */
284static void putpixel_1byte(int item,unsigned int x, unsigned int y, int color)
285{
286 FB(item,fbaddress)[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3);
287}
288
289/** Return pixel color - 8-bit depth (3:2:3) */
290static int getpixel_1byte(int item,unsigned int x, unsigned int y)
291{
292 int color = FB(item,fbaddress)[POINTPOS(x, y)];
293 return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
294}
295
296/** Fill line with color BGCOLOR */
297static void clear_line(int item,unsigned int y)
298{
299 unsigned int x;
300 for (x = 0; x < FB(item,xres); x++)
301 FB(item,putpixel)(item,x, y, FB(item,BGCOLOR));
302}
303
304
305/** Fill screen with background color */
306static void clear_screen(int item)
307{
308 unsigned int y;
309 for (y = 0; y < FB(item,yres); y++)
310 {
311 clear_line(item,y);
312 }
313}
314
315
316/** Scroll screen one row up */
317static void scroll_screen(int item)
318{
319 unsigned int i;
320 unsigned int j;
321
322 for(j=0;j<FB(item,yres)-FONT_SCANLINES;j++)
323 memcpy((void *) FB(item,fbaddress)+j*FB(item,scanline),
324 (void *) &FB(item,fbaddress)[ROW_BYTES+j*FB(item,scanline)], FB(item,pixelbytes)*FB(item,xres));
325
326 //memcpy((void *) FB(item,fbaddress), (void *) &FB(item,fbaddress)[ROW_BYTES], FB(item,scanline) * FB(item,yres) - ROW_BYTES);
327
328 /* Clear last row */
329 for (i = 0; i < FONT_SCANLINES; i++)
330 clear_line(item,(FB(item,rows) - 1) * FONT_SCANLINES + i);
331}
332
333
334static void invert_pixel(int item,unsigned int x, unsigned int y)
335{
336 FB(item,putpixel)(item, x, y, ~FB(item,getpixel)(item, x, y));
337}
338
339
340/** Draw one line of glyph at a given position */
341static void draw_glyph_line(int item,unsigned int glline, unsigned int x, unsigned int y)
342{
343 unsigned int i;
344
345 for (i = 0; i < 8; i++)
346 if (glline & (1 << (7 - i))) {
347 FB(item,putpixel)(item,x + i, y, FB(item,FGCOLOR));
348 } else
349 FB(item,putpixel)(item,x + i, y, FB(item,BGCOLOR));
350}
351
352/***************************************************************/
353/* Character-console functions */
354
355/** Draw character at given position */
356static void draw_glyph(int item,__u8 glyph, unsigned int col, unsigned int row)
357{
358 unsigned int y;
359
360 for (y = 0; y < FONT_SCANLINES; y++)
361 draw_glyph_line(item ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y);
362}
363
364/** Invert character at given position */
365static void invert_char(int item,unsigned int col, unsigned int row)
366{
367 unsigned int x;
368 unsigned int y;
369
370 for (x = 0; x < COL_WIDTH; x++)
371 for (y = 0; y < FONT_SCANLINES; y++)
372 invert_pixel(item,col * COL_WIDTH + x, row * FONT_SCANLINES + y);
373}
374
375/** Draw character at default position */
376static void draw_char(int item,char chr)
377{
378 draw_glyph(item ,chr, FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns));
379}
380
381static void draw_logo(int item,unsigned int startx, unsigned int starty)
382{
383 unsigned int x;
384 unsigned int y;
385 unsigned int byte;
386 unsigned int rowbytes;
387
388 rowbytes = (helenos_width - 1) / 8 + 1;
389
390 for (y = 0; y < helenos_height; y++)
391 for (x = 0; x < helenos_width; x++) {
392 byte = helenos_bits[rowbytes * y + x / 8];
393 byte >>= x % 8;
394 if (byte & 1)
395 FB(item,putpixel)(item,startx + x, starty + y, FB(item,LOGOCOLOR));
396 }
397}
398
399/***************************************************************/
400/* Stdout specific functions */
401
402static void invert_cursor(int item)
403{
404 invert_char(item,FB(item,position) % FB(item,columns), FB(item,position) / FB(item,columns));
405}
406
407/** Print character to screen
408 *
409 * Emulate basic terminal commands
410 */
411static void fb_putchar(int item,char ch)
412{
413
414 switch (ch) {
415 case '\n':
416 invert_cursor(item);
417 FB(item,position) += FB(item,columns);
418 FB(item,position) -= FB(item,position) % FB(item,columns);
419 break;
420 case '\r':
421 invert_cursor(item);
422 FB(item,position) -= FB(item,position) % FB(item,columns);
423 break;
424 case '\b':
425 invert_cursor(item);
426 if (FB(item,position) % FB(item,columns))
427 FB(item,position)--;
428 break;
429 case '\t':
430 invert_cursor(item);
431 do {
432 draw_char(item,' ');
433 FB(item,position)++;
434 } while (FB(item,position) % 8);
435 break;
436 default:
437 draw_char(item,ch);
438 FB(item,position)++;
439 }
440
441 if (FB(item,position) >= FB(item,columns) * FB(item,rows)) {
442 FB(item,position) -= FB(item,columns);
443 scroll_screen(item);
444 }
445
446 invert_cursor(item);
447
448}
449
450
451/** Initialize framebuffer as a chardev output device
452 *
453 * @param addr Address of theframebuffer
454 * @param x Screen width in pixels
455 * @param y Screen height in pixels
456 * @param bpp Bits per pixel (8, 16, 24, 32)
457 * @param scan Bytes per one scanline
458 *
459 */
460void fb_init(int item,__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan,
461 unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR)
462{
463
464 if( (graphics_items[item]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL)
465 {
466 return;
467 }
468
469 switch (bpp) {
470 case 8:
471 FB(item,putpixel) = putpixel_1byte;
472 FB(item,getpixel) = getpixel_1byte;
473 FB(item,pixelbytes) = 1;
474 break;
475 case 16:
476 FB(item,putpixel) = putpixel_2byte;
477 FB(item,getpixel) = getpixel_2byte;
478 FB(item,pixelbytes) = 2;
479 break;
480 case 24:
481 FB(item,putpixel) = putpixel_3byte;
482 FB(item,getpixel) = getpixel_3byte;
483 FB(item,pixelbytes) = 3;
484 break;
485 case 32:
486 FB(item,putpixel) = putpixel_4byte;
487 FB(item,getpixel) = getpixel_4byte;
488 FB(item,pixelbytes) = 4;
489 break;
490 }
491
492
493 FB(item,fbaddress) = (unsigned char *) addr;
494 FB(item,xres) = x;
495 FB(item,yres) = y;
496 FB(item,scanline) = scan;
497
498
499 FB(item,rows) = y / FONT_SCANLINES;
500 FB(item,columns) = x / COL_WIDTH;
501
502 FB(item,BGCOLOR)=BGCOLOR;
503 FB(item,FGCOLOR)=FGCOLOR;
504 FB(item,LOGOCOLOR)=LOGOCOLOR;
505
506
507 clear_screen(item);
508 draw_logo(item,FB(item,xres) - helenos_width, 0);
509 invert_cursor(item);
510
511}
512
513
514static int get_free_item()
515{
516 int item;
517 for(item=0;graphics_items[item]!=NULL;item++);
518 return (item==GRAPHICS_ITEMS)?EFB:item;
519}
520
521unsigned int mod_col(unsigned int col,int mod)
522{
523 if(mod & 1) col^=0xff;
524 if(mod & 2) col^=0xff00;
525 if(mod & 4) col^=0xff0000;
526 return col;
527}
528
529
530int create_window(int item,unsigned int x, unsigned int y,unsigned int x_size, unsigned int y_size,
531 unsigned int BGCOLOR,unsigned int FGCOLOR,unsigned int LOGOCOLOR)
532{
533 int item_new;
534
535 if(EFB==(item_new=get_free_item()))return EFB;
536
537
538 if( (graphics_items[item_new]=malloc(sizeof(framebuffer_descriptor_t))) ==NULL)
539 {
540 return EFB;
541 }
542
543
544
545 FB(item_new,putpixel) = FB(item,putpixel);
546 FB(item_new,getpixel) = FB(item,getpixel);
547 FB(item_new,pixelbytes) = FB(item,pixelbytes);
548
549 FB(item_new,fbaddress) = FB(item,fbaddress) + POINTPOS(x, y) ;
550 FB(item_new,xres) = x_size;
551 FB(item_new,yres) = y_size;
552 FB(item_new,scanline) = FB(item,scanline);
553
554
555 FB(item_new,rows) = y_size / FONT_SCANLINES;
556 FB(item_new,columns) = x_size / COL_WIDTH;
557
558 FB(item_new,BGCOLOR)=BGCOLOR;
559 FB(item_new,FGCOLOR)=FGCOLOR;
560 FB(item_new,LOGOCOLOR)=LOGOCOLOR;
561
562
563 clear_screen(item_new);
564 draw_logo(item_new,FB(item_new,xres) - helenos_width, 0);
565 invert_cursor(item_new);
566
567 return item_new;
568}
569
570
571
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