1 /* $NetBSD: ite_cc.c,v 1.1.1.1 1995/03/26 07:12:14 leo Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christian E. Hopps 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christian E. Hopps. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "grf.h" 34 #if NGRF > 0 35 36 #include <sys/param.h> 37 #include <sys/conf.h> 38 #include <sys/proc.h> 39 #include <sys/device.h> 40 #include <sys/ioctl.h> 41 #include <sys/tty.h> 42 #include <sys/systm.h> 43 #include <sys/queue.h> 44 #include <sys/termios.h> 45 #include <sys/malloc.h> 46 #include <dev/cons.h> 47 #include <machine/cpu.h> 48 #include <atari/dev/itevar.h> 49 #include <atari/dev/iteioctl.h> 50 #include <atari/dev/grfioctl.h> 51 #include <atari/dev/grfabs_reg.h> 52 #include <atari/dev/grfvar.h> 53 #include <atari/dev/font.h> 54 #include <atari/dev/viewioctl.h> 55 #include <atari/dev/viewvar.h> 56 57 /* 58 * This is what ip->priv points to; 59 * it contains local variables for custom-chip ites. 60 */ 61 struct ite_priv { 62 u_char **row_ptr; /* array of pointers into the bitmap */ 63 u_long row_bytes; 64 u_long cursor_opt; 65 u_short *column_offset; /* array of offsets for columns */ 66 u_int row_offset; /* the row offset */ 67 u_short width; /* the bitmap width */ 68 u_short underline; /* where the underline goes */ 69 u_short ft_x; /* the font width */ 70 u_short ft_y; /* the font height */ 71 u_char *font_cell[256];/* the font pointer */ 72 }; 73 typedef struct ite_priv ipriv_t; 74 75 /* 76 * We need the following space to get an ite-console setup before 77 * the VM-system is brought up. We setup for a 1280x960 monitor with 78 * an 8x8 font. 79 */ 80 extern int atari_realconfig; 81 82 #define CONS_MAXROW 120 /* Max. number of rows on console */ 83 #define CONS_MAXCOL 160 /* Max. number of columns on console */ 84 static u_short con_columns[CONS_MAXCOL]; 85 static u_char *con_rows[CONS_MAXROW]; 86 static ipriv_t con_ipriv; 87 88 extern font_info font_info_8x8; 89 extern font_info font_info_8x16; 90 91 static void view_init __P((struct ite_softc *)); 92 static void view_deinit __P((struct ite_softc *)); 93 static int ite_newsize __P((struct ite_softc *, struct itewinsize *)); 94 static void cursor32 __P((struct ite_softc *, int)); 95 static void putc8 __P((struct ite_softc *, int, int, int, int)); 96 static void clear8 __P((struct ite_softc *, int, int, int, int)); 97 static void scroll8 __P((struct ite_softc *, int, int, int, int)); 98 static void scrollbmap __P((bmap_t *, u_short, u_short, u_short, u_short, 99 short, short)); 100 101 /* 102 * Patchable 103 */ 104 int ite_default_x = 0; /* def leftedge offset */ 105 int ite_default_y = 0; /* def topedge offset */ 106 int ite_default_width = 640; /* def width */ 107 int ite_default_depth = 1; /* def depth */ 108 int ite_default_height = 400; /* def height */ 109 110 /* 111 * called from grf_cc to return console priority 112 */ 113 int 114 grfcc_cnprobe() 115 { 116 return(CN_INTERNAL); 117 } 118 /* 119 * called from grf_cc to init ite portion of 120 * grf_softc struct 121 */ 122 void 123 grfcc_iteinit(gp) 124 struct grf_softc *gp; 125 { 126 127 gp->g_itecursor = cursor32; 128 gp->g_iteputc = putc8; 129 gp->g_iteclear = clear8; 130 gp->g_itescroll = scroll8; 131 gp->g_iteinit = view_init; 132 gp->g_itedeinit = view_deinit; 133 } 134 135 static void 136 view_deinit(ip) 137 struct ite_softc *ip; 138 { 139 ip->flags &= ~ITE_INITED; 140 } 141 142 static void 143 view_init(ip) 144 register struct ite_softc *ip; 145 { 146 struct itewinsize wsz; 147 ipriv_t *cci; 148 149 if(cci = ip->priv) 150 return; 151 152 #if defined(KFONT_8X8) 153 ip->font = font_info_8x8; 154 #else 155 ip->font = font_info_8x16; 156 #endif 157 158 /* Find the correct set of rendering routines for this font. */ 159 if(ip->font.width != 8) 160 panic("kernel font size not supported"); 161 162 if(!atari_realconfig) 163 ip->priv = cci = &con_ipriv; 164 else ip->priv = cci = (ipriv_t*)malloc(sizeof(*cci), M_DEVBUF,M_WAITOK); 165 if(cci == NULL) 166 panic("No memory for ite-view"); 167 bzero(cci, sizeof(*cci)); 168 169 cci->cursor_opt = 0; 170 cci->row_ptr = NULL; 171 cci->column_offset = NULL; 172 173 wsz.x = ite_default_x; 174 wsz.y = ite_default_y; 175 wsz.width = ite_default_width; 176 wsz.height = ite_default_height; 177 wsz.depth = ite_default_depth; 178 179 ite_newsize (ip, &wsz); 180 181 /* 182 * Only console will be turned on by default.. 183 */ 184 if(ip->flags & ITE_ISCONS) 185 ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); 186 } 187 188 static int 189 ite_newsize(ip, winsz) 190 struct ite_softc *ip; 191 struct itewinsize *winsz; 192 { 193 struct view_size vs; 194 ipriv_t *cci = ip->priv; 195 u_long fbp, i, j; 196 int error = 0; 197 view_t *view = ip->grf->g_view; 198 199 vs.x = winsz->x; 200 vs.y = winsz->y; 201 vs.width = winsz->width; 202 vs.height = winsz->height; 203 vs.depth = winsz->depth; 204 error = viewioctl(ip->grf->g_viewdev, VIOCSSIZE, &vs, 0, -1); 205 206 /* 207 * Reinitialize our structs 208 */ 209 ip->cols = view->display.width / ip->font.width; 210 ip->rows = view->display.height / ip->font.height; 211 212 /* 213 * save new values so that future opens use them 214 * this may not be correct when we implement Virtual Consoles 215 */ 216 ite_default_height = view->display.height; 217 ite_default_width = view->display.width; 218 ite_default_x = view->display.x; 219 ite_default_y = view->display.y; 220 ite_default_depth = view->bitmap->depth; 221 222 if(cci->row_ptr && (cci->row_ptr != con_rows)) { 223 free(cci->row_ptr, M_DEVBUF); 224 cci->row_ptr = NULL; 225 } 226 if(cci->column_offset && (cci->column_offset != con_columns)) { 227 free(cci->column_offset, M_DEVBUF); 228 cci->column_offset = NULL; 229 } 230 231 if(!atari_realconfig) { 232 cci->row_ptr = con_rows; 233 cci->column_offset = con_columns; 234 } 235 else { 236 cci->row_ptr = malloc(sizeof(u_char *) * ip->rows,M_DEVBUF,M_WAITOK); 237 cci->column_offset = malloc(sizeof(u_int)*ip->cols,M_DEVBUF,M_WAITOK); 238 } 239 240 if(!cci->row_ptr || !cci->column_offset) 241 panic("No memory for ite-view"); 242 243 244 cci->width = view->bitmap->bytes_per_row << 3; 245 cci->underline = ip->font.baseline + 1; 246 cci->row_offset = view->bitmap->bytes_per_row; 247 cci->ft_x = ip->font.width; 248 cci->ft_y = ip->font.height; 249 cci->row_bytes = cci->row_offset * cci->ft_y; 250 cci->row_ptr[0] = view->bitmap->plane; 251 for(i = 1; i < ip->rows; i++) 252 cci->row_ptr[i] = cci->row_ptr[i-1] + cci->row_bytes; 253 254 /* 255 * Initialize the column offsets to point at the correct location 256 * in the first plane. This definitely assumes a font width of 8! 257 */ 258 j = view->bitmap->depth * 2; 259 cci->column_offset[0] = 0; 260 for(i = 1; i < ip->cols; i++) 261 cci->column_offset[i] = ((i >> 1) * j) + (i & 1); 262 263 /* initialize the font cell pointers */ 264 cci->font_cell[ip->font.font_lo] = ip->font.font_p; 265 for(i = ip->font.font_lo+1; i <= ip->font.font_hi; i++) 266 cci->font_cell[i] = cci->font_cell[i-1] + ip->font.height; 267 268 return(error); 269 } 270 271 static void 272 cursor32(struct ite_softc *ip, int flag) 273 { 274 int cend; 275 u_char *pl; 276 ipriv_t *cci; 277 278 cci = ip->priv; 279 280 if(flag == END_CURSOROPT) 281 cci->cursor_opt--; 282 else if(flag == START_CURSOROPT) { 283 if(!cci->cursor_opt) 284 cursor32(ip, ERASE_CURSOR); 285 cci->cursor_opt++; 286 return; /* if we are already opted. */ 287 } 288 289 if(cci->cursor_opt) 290 return; /* if we are still nested. */ 291 /* else we draw the cursor. */ 292 293 if(flag != DRAW_CURSOR && flag != END_CURSOROPT) { 294 /* 295 * erase the cursor 296 */ 297 cend = ip->font.height-1; 298 pl = cci->column_offset[ip->cursorx] 299 + cci->row_ptr[ip->cursory]; 300 __asm__ __volatile__ 301 ("1: notb %0@ ; addaw %4,%0\n\t" 302 "dbra %1,1b" 303 : "=a" (pl), "=d" (cend) 304 : "0" (pl), "1" (cend), 305 "d" (cci->row_offset) 306 ); 307 } 308 309 if(flag != DRAW_CURSOR && flag != MOVE_CURSOR && flag != END_CURSOROPT) 310 return; 311 312 /* 313 * draw the cursor 314 */ 315 ip->cursorx = min(ip->curx, ip->cols-1); 316 ip->cursory = ip->cury; 317 cend = ip->font.height-1; 318 pl = cci->column_offset[ip->cursorx] 319 + cci->row_ptr[ip->cursory]; 320 321 __asm__ __volatile__ 322 ("1: notb %0@ ; addaw %4,%0\n\t" 323 "dbra %1,1b" 324 : "=a" (pl), "=d" (cend) 325 : "0" (pl), "1" (cend), 326 "d" (cci->row_offset) 327 ); 328 } 329 330 static void 331 putc8(struct ite_softc *ip, int c, int dy, int dx, int mode) 332 { 333 register ipriv_t *cci = (ipriv_t *)ip->priv; 334 register u_char *pl = cci->column_offset[dx] + cci->row_ptr[dy]; 335 register u_int fh = cci->ft_y; 336 register u_int ro = cci->row_offset; 337 register u_char eor_mask; 338 register u_char bl, tmp, ul; 339 register u_char *ft; 340 341 if(c < ip->font.font_lo || c > ip->font.font_hi) 342 return; 343 344 ft = cci->font_cell[c]; 345 346 if(!mode) { 347 while(fh--) { 348 *pl = *ft++; pl += ro; 349 } 350 return; 351 } 352 353 eor_mask = (mode & ATTR_INV) ? 0xff : 0x00; 354 bl = (mode & ATTR_BOLD) ? 1 : 0; 355 ul = fh - cci->underline; 356 while(fh--) { 357 tmp = *ft++ ^ eor_mask; 358 if(bl) 359 *pl = tmp | (tmp >> 1); 360 else *pl = tmp; 361 if(fh == ul) 362 *pl = 0xff; 363 pl += ro; 364 } 365 } 366 367 static void 368 clear8(struct ite_softc *ip, int sy, int sx, int h, int w) 369 { 370 ipriv_t *cci = (ipriv_t *) ip->priv; 371 view_t *v = ip->grf->g_view; 372 bmap_t *bm = v->bitmap; 373 374 if((sx == 0) && (w == ip->cols)) { 375 /* common case: clearing whole lines */ 376 while (h--) { 377 int i; 378 u_char *ptr = cci->row_ptr[sy]; 379 for(i = 0; i < ip->font.height; i++) { 380 bzero(ptr, bm->bytes_per_row); 381 ptr += bm->bytes_per_row; 382 } 383 sy++; 384 } 385 } 386 else { 387 /* 388 * clearing only part of a line 389 * XXX could be optimized MUCH better, but is it worth the 390 * trouble? 391 */ 392 393 int i; 394 u_char *pls, *ple; 395 396 pls = cci->row_ptr[sy]; 397 ple = pls + cci->column_offset[sx + w-1]; 398 pls = pls + cci->column_offset[sx]; 399 400 for(i = ((ip->font.height) * h)-1; i >= 0; i--) { 401 u_char *p = pls; 402 while(p <= ple) 403 *p++ = 0; 404 pls += bm->bytes_per_row; 405 ple += bm->bytes_per_row; 406 } 407 } 408 } 409 410 /* Note: sx is only relevant for SCROLL_LEFT or SCROLL_RIGHT. */ 411 static void 412 scroll8(ip, sy, sx, count, dir) 413 register struct ite_softc *ip; 414 register int sy; 415 int dir, sx, count; 416 { 417 bmap_t *bm = ip->grf->g_view->bitmap; 418 u_char *pl = ((ipriv_t *)ip->priv)->row_ptr[sy]; 419 420 if(dir == SCROLL_UP) { 421 int dy = sy - count; 422 int height = ip->bottom_margin - sy + 1; 423 int i; 424 425 cursor32(ip, ERASE_CURSOR); 426 scrollbmap(bm, 0, dy*ip->font.height, bm->bytes_per_row >> 3, 427 (ip->bottom_margin-dy+1)*ip->font.height, 428 0, -(count*ip->font.height)); 429 } 430 else if(dir == SCROLL_DOWN) { 431 int dy = sy + count; 432 int height = ip->bottom_margin - dy + 1; 433 int i; 434 435 cursor32(ip, ERASE_CURSOR); 436 scrollbmap(bm, 0, sy*ip->font.height, bm->bytes_per_row >> 3, 437 (ip->bottom_margin-sy+1)*ip->font.height, 438 0, count*ip->font.height); 439 } 440 else if(dir == SCROLL_RIGHT) { 441 int sofs = (ip->cols - count) * ip->font.width; 442 int dofs = (ip->cols) * ip->font.width; 443 int i, j; 444 445 cursor32(ip, ERASE_CURSOR); 446 for(j = ip->font.height-1; j >= 0; j--) { 447 int sofs2 = sofs, dofs2 = dofs; 448 for (i = (ip->cols - (sx + count))-1; i >= 0; i--) { 449 int t; 450 sofs2 -= ip->font.width; 451 dofs2 -= ip->font.width; 452 asm("bfextu %1@{%2:%3},%0" : "=d" (t) 453 : "a" (pl), "d" (sofs2), "d" (ip->font.width)); 454 asm("bfins %3,%0@{%1:%2}" : 455 : "a" (pl), "d" (dofs2), "d" (ip->font.width), 456 "d" (t)); 457 } 458 pl += bm->bytes_per_row; 459 } 460 } 461 else { /* SCROLL_LEFT */ 462 int sofs = (sx) * ip->font.width; 463 int dofs = (sx - count) * ip->font.width; 464 int i, j; 465 466 cursor32(ip, ERASE_CURSOR); 467 for(j = ip->font.height-1; j >= 0; j--) { 468 int sofs2 = sofs, dofs2 = dofs; 469 for(i = (ip->cols - sx)-1; i >= 0; i--) { 470 int t; 471 472 asm("bfextu %1@{%2:%3},%0" : "=d" (t) 473 : "a" (pl), "d" (sofs2), "d" (ip->font.width)); 474 asm("bfins %3,%0@{%1:%2}" 475 : : "a" (pl), "d" (dofs2),"d" (ip->font.width), 476 "d" (t)); 477 sofs2 += ip->font.width; 478 dofs2 += ip->font.width; 479 } 480 pl += bm->bytes_per_row; 481 } 482 } 483 } 484 485 static void 486 scrollbmap (bmap_t *bm, u_short x, u_short y, u_short width, u_short height, short dx, short dy) 487 { 488 u_short depth = bm->depth; 489 u_short lwpr = bm->bytes_per_row >> 2; 490 491 if(dx) { 492 /* FIX: */ panic ("delta x not supported in scroll bitmap yet."); 493 } 494 495 if(dy == 0) { 496 return; 497 } 498 if(dy > 0) { 499 u_long *pl = (u_long *)bm->plane; 500 u_long *src_y = pl + (lwpr*y); 501 u_long *dest_y = pl + (lwpr*(y+dy)); 502 u_long count = lwpr*(height-dy); 503 u_long *clr_y = src_y; 504 u_long clr_count = dest_y - src_y; 505 u_long bc, cbc; 506 507 src_y += count - 1; 508 dest_y += count - 1; 509 510 bc = count >> 4; 511 count &= 0xf; 512 513 while (bc--) { 514 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 515 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 516 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 517 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 518 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 519 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 520 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 521 *dest_y-- = *src_y--; *dest_y-- = *src_y--; 522 } 523 while (count--) 524 *dest_y-- = *src_y--; 525 526 cbc = clr_count >> 4; 527 clr_count &= 0xf; 528 529 while (cbc--) { 530 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 531 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 532 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 533 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 534 } 535 while(clr_count--) 536 *clr_y++ = 0; 537 } 538 else { 539 u_long *pl = (u_long *)bm->plane; 540 u_long *src_y = pl + (lwpr*(y-dy)); 541 u_long *dest_y = pl + (lwpr*y); 542 long count = lwpr*(height + dy); 543 u_long *clr_y = dest_y + count; 544 u_long clr_count = src_y - dest_y; 545 u_long bc, cbc; 546 547 bc = count >> 4; 548 count &= 0xf; 549 550 while(bc--) { 551 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 552 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 553 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 554 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 555 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 556 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 557 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 558 *dest_y++ = *src_y++; *dest_y++ = *src_y++; 559 } 560 while(count--) 561 *dest_y++ = *src_y++; 562 563 cbc = clr_count >> 4; 564 clr_count &= 0xf; 565 566 while (cbc--) { 567 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 568 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 569 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 570 *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; *clr_y++ = 0; 571 } 572 while (clr_count--) 573 *clr_y++ = 0; 574 } 575 } 576 #else 577 #error Must be defined 578 #endif /* NGRF */ 579