bicons.c revision 1.1
1 /* $NetBSD: bicons.c,v 1.1 2001/02/09 19:43:23 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 1999-2001 5 * Shin Takemura and PocketBSD Project. 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 the PocketBSD project 18 * and its contributors. 19 * 4. Neither the name of the project nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 37 #define HALF_FONT 38 39 #include <sys/param.h> 40 #include <sys/device.h> 41 #include <sys/systm.h> 42 #include <sys/conf.h> 43 #include <dev/cons.h> 44 45 #include <machine/bootinfo.h> 46 #include <machine/bus.h> 47 #include <machine/platid.h> 48 #include <machine/stdarg.h> 49 50 #include <dev/hpc/biconsvar.h> 51 #include <dev/hpc/bicons.h> 52 extern u_int8_t font_clR8x8_data[]; 53 extern u_int8_t font_clB8x8_data[]; 54 #define FONT_HEIGHT 8 55 #define FONT_WIDTH 1 56 57 static void put_oxel_D2_M2L_3(u_int8_t *, u_int8_t, u_int8_t); 58 static void put_oxel_D2_M2L_3x2(u_int8_t *, u_int8_t, u_int8_t); 59 static void put_oxel_D2_M2L_0(u_int8_t *, u_int8_t, u_int8_t); 60 static void put_oxel_D2_M2L_0x2(u_int8_t *, u_int8_t, u_int8_t); 61 static void put_oxel_D4_M2L_F(u_int8_t *, u_int8_t, u_int8_t); 62 static void put_oxel_D4_M2L_Fx2(u_int8_t *, u_int8_t, u_int8_t); 63 static void put_oxel_D4_M2L_0(u_int8_t *, u_int8_t, u_int8_t); 64 static void put_oxel_D4_M2L_0x2(u_int8_t *, u_int8_t, u_int8_t); 65 static void put_oxel_D8_00(u_int8_t *, u_int8_t, u_int8_t); 66 static void put_oxel_D8_FF(u_int8_t *, u_int8_t, u_int8_t); 67 static void put_oxel_D16_0000(u_int8_t *, u_int8_t, u_int8_t); 68 static void put_oxel_D16_FFFF(u_int8_t *, u_int8_t, u_int8_t); 69 70 struct { 71 int type; 72 char *name; 73 void (*func)(u_int8_t *, u_int8_t, u_int8_t); 74 u_int8_t clear_byte; 75 int16_t oxel_bytes; 76 } fb_table[] = { 77 { BIFB_D2_M2L_3, BIFBN_D2_M2L_3, 78 put_oxel_D2_M2L_3, 0, 2 }, 79 { BIFB_D2_M2L_3x2, BIFBN_D2_M2L_3x2, 80 put_oxel_D2_M2L_3x2, 0, 1 }, 81 { BIFB_D2_M2L_0, BIFBN_D2_M2L_0, 82 put_oxel_D2_M2L_0, 0xff, 2 }, 83 { BIFB_D2_M2L_0x2, BIFBN_D2_M2L_0x2, 84 put_oxel_D2_M2L_0x2, 0xff, 1 }, 85 { BIFB_D4_M2L_F, BIFBN_D4_M2L_F, 86 put_oxel_D4_M2L_F, 0x00, 4 }, 87 { BIFB_D4_M2L_Fx2, BIFBN_D4_M2L_Fx2, 88 put_oxel_D4_M2L_Fx2, 0x00, 2 }, 89 { BIFB_D4_M2L_0, BIFBN_D4_M2L_0, 90 put_oxel_D4_M2L_0, 0xff, 4 }, 91 { BIFB_D4_M2L_0x2, BIFBN_D4_M2L_0x2, 92 put_oxel_D4_M2L_0x2, 0xff, 2 }, 93 { BIFB_D8_00, BIFBN_D8_00, 94 put_oxel_D8_00, 0xff, 8 }, 95 { BIFB_D8_FF, BIFBN_D8_FF, 96 put_oxel_D8_FF, 0x00, 8 }, 97 { BIFB_D16_0000, BIFBN_D16_0000, 98 put_oxel_D16_0000, 0xff, 16 }, 99 { BIFB_D16_FFFF, BIFBN_D16_FFFF, 100 put_oxel_D16_FFFF, 0x00, 16 }, 101 }; 102 #define FB_TABLE_SIZE (sizeof(fb_table)/sizeof(*fb_table)) 103 104 static u_int8_t *fb_vram; 105 static int16_t fb_line_bytes; 106 static u_int8_t fb_clear_byte; 107 int16_t bicons_ypixel; 108 int16_t bicons_xpixel; 109 #ifdef HALF_FONT 110 static int16_t fb_oxel_bytes = 1; 111 int16_t bicons_width = 80; 112 void (*fb_put_oxel)(u_int8_t *, u_int8_t, u_int8_t) = put_oxel_D2_M2L_3x2; 113 #else /* HALF_FONT */ 114 static int16_t fb_oxel_bytes = 2; 115 int16_t bicons_width = 40; 116 void (*fb_put_oxel)(u_int8_t *, u_int8_t, u_int8_t) = put_oxel_D2_M2L_3; 117 #endif /* HALF_FONT */ 118 int16_t bicons_height; 119 static int16_t curs_x; 120 static int16_t curs_y; 121 122 cdev_decl(biconsdev); 123 124 static int bicons_priority; 125 void biconscninit(struct consdev *); 126 void biconscnprobe(struct consdev *); 127 void biconscnputc(dev_t, int); 128 int biconscngetc(dev_t); /* harmless place holder */ 129 130 static void draw_char(int, int, int); 131 static void clear(int, int); 132 static void scroll(int, int, int); 133 static void bicons_puts(char *); 134 static void bicons_printf(const char *, ...) __attribute__((__unused__)); 135 136 void 137 biconscninit(struct consdev *cndev) 138 { 139 int fb_index = -1; 140 141 for (fb_index = 0; fb_index < FB_TABLE_SIZE; fb_index++) 142 if (fb_table[fb_index].type == bootinfo->fb_type) 143 break; 144 145 if (FB_TABLE_SIZE <= fb_index || fb_index == -1) { 146 /* 147 * Unknown frame buffer type, but what can I do ? 148 */ 149 fb_index = 0; 150 } 151 152 fb_vram = (u_int8_t *)bootinfo->fb_addr; 153 fb_line_bytes = bootinfo->fb_line_bytes; 154 bicons_xpixel = bootinfo->fb_width; 155 bicons_ypixel = bootinfo->fb_height; 156 157 fb_put_oxel = fb_table[fb_index].func; 158 fb_clear_byte = fb_table[fb_index].clear_byte; 159 fb_oxel_bytes = fb_table[fb_index].oxel_bytes; 160 161 bicons_width = bicons_xpixel / (8 * FONT_WIDTH); 162 bicons_height = bicons_ypixel / FONT_HEIGHT; 163 clear(0, bicons_ypixel); 164 165 curs_x = 0; 166 curs_y = 0; 167 168 bicons_puts("builtin console type = "); 169 bicons_puts(fb_table[fb_index].name); 170 bicons_puts("\n"); 171 } 172 173 void 174 biconscnprobe(struct consdev *cndev) 175 { 176 int maj; 177 178 /* locate the major number */ 179 for (maj = 0; maj < nchrdev; maj++) 180 if (cdevsw[maj].d_open == biconsdevopen) 181 break; 182 183 cndev->cn_dev = makedev(maj, 0); 184 cndev->cn_pri = bicons_priority; 185 } 186 187 void 188 bicons_set_priority(int priority) 189 { 190 bicons_priority = priority; 191 } 192 193 int 194 biconscngetc(dev_t dev) 195 { 196 printf("no input method. reboot me.\n"); 197 while (1) 198 ; 199 /* NOTREACHED */ 200 } 201 202 void 203 biconscnputc(dev_t dev, int c) 204 { 205 int line_feed = 0; 206 207 switch (c) { 208 case 0x08: /* back space */ 209 if (--curs_x < 0) { 210 curs_x = 0; 211 } 212 /* erase character ar cursor position */ 213 draw_char(curs_x, curs_y, ' '); 214 break; 215 case '\r': 216 curs_x = 0; 217 break; 218 case '\n': 219 curs_x = 0; 220 line_feed = 1; 221 break; 222 default: 223 draw_char(curs_x, curs_y, c); 224 if (bicons_width <= ++curs_x) { 225 curs_x = 0; 226 line_feed = 1; 227 } 228 } 229 230 if (line_feed) { 231 if (bicons_height <= ++curs_y) { 232 /* scroll up */ 233 scroll(FONT_HEIGHT, (bicons_height - 1) * FONT_HEIGHT, 234 - FONT_HEIGHT); 235 clear((bicons_height - 1) * FONT_HEIGHT, FONT_HEIGHT); 236 curs_y--; 237 } 238 } 239 } 240 241 void 242 bicons_puts(char *s) 243 { 244 while (*s) 245 biconscnputc(NULL, *s++); 246 } 247 248 249 void 250 bicons_putn(const char *s, int n) 251 { 252 while (0 < n--) 253 biconscnputc(NULL, *s++); 254 } 255 256 void 257 #ifdef __STDC__ 258 bicons_printf(const char *fmt, ...) 259 #else 260 bicons_printf(fmt, va_alist) 261 char *fmt; 262 va_dcl 263 #endif 264 { 265 va_list ap; 266 char buf[0x100]; 267 268 va_start(ap, fmt); 269 vsnprintf(buf, sizeof(buf), fmt, ap); 270 va_end(ap); 271 bicons_puts(buf); 272 } 273 274 static void 275 draw_char(int x, int y, int c) 276 { 277 int i; 278 u_int8_t *p; 279 280 if (!fb_vram) 281 return; 282 283 p = &fb_vram[(y * FONT_HEIGHT * fb_line_bytes) + 284 x * FONT_WIDTH * fb_oxel_bytes]; 285 for (i = 0; i < FONT_HEIGHT; i++) { 286 (*fb_put_oxel)(p, font_clR8x8_data 287 [FONT_WIDTH * (FONT_HEIGHT * c + i)], 0xff); 288 p += (fb_line_bytes); 289 } 290 } 291 292 static void 293 clear(int y, int height) 294 { 295 u_int8_t *p; 296 297 if (!fb_vram) 298 return; 299 300 p = &fb_vram[y * fb_line_bytes]; 301 302 while (0 < height--) { 303 memset(p, fb_clear_byte, 304 bicons_width * fb_oxel_bytes * FONT_WIDTH); 305 p += fb_line_bytes; 306 } 307 } 308 309 static void 310 scroll(int y, int height, int d) 311 { 312 u_int8_t *from, *to; 313 314 if (!fb_vram) 315 return; 316 317 if (d < 0) { 318 from = &fb_vram[y * fb_line_bytes]; 319 to = from + d * fb_line_bytes; 320 while (0 < height--) { 321 memcpy(to, from, bicons_width * fb_oxel_bytes); 322 from += fb_line_bytes; 323 to += fb_line_bytes; 324 } 325 } else { 326 from = &fb_vram[(y + height - 1) * fb_line_bytes]; 327 to = from + d * fb_line_bytes; 328 while (0 < height--) { 329 memcpy(to, from, bicons_xpixel * fb_oxel_bytes / 8); 330 from -= fb_line_bytes; 331 to -= fb_line_bytes; 332 } 333 } 334 } 335 336 /*============================================================================= 337 * 338 * D2_M2L_3 339 * 340 */ 341 static void 342 put_oxel_D2_M2L_3(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 343 { 344 #if 1 345 u_int16_t *addr = (u_int16_t *)xaddr; 346 static u_int16_t map0[] = { 347 0x0000, 0x0300, 0x0c00, 0x0f00, 0x3000, 0x3300, 0x3c00, 0x3f00, 348 0xc000, 0xc300, 0xcc00, 0xcf00, 0xf000, 0xf300, 0xfc00, 0xff00, 349 }; 350 static u_int16_t map1[] = { 351 0x0000, 0x0003, 0x000c, 0x000f, 0x0030, 0x0033, 0x003c, 0x003f, 352 0x00c0, 0x00c3, 0x00cc, 0x00cf, 0x00f0, 0x00f3, 0x00fc, 0x00ff, 353 }; 354 *addr = (map1[data >> 4] | map0[data & 0x0f]); 355 #else 356 static u_int8_t map[] = { 357 0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f, 358 0xc0, 0xc3, 0xcc, 0xcf, 0xf0, 0xf3, 0xfc, 0xff, 359 }; 360 u_int8_t *addr = xaddr; 361 362 *addr++ = (map[(data >> 4) & 0x0f] & map[(mask >> 4) & 0x0f]) | 363 (*addr & ~map[(mask >> 4) & 0x0f]); 364 *addr = (map[(data >> 0) & 0x0f] & map[(mask >> 0) & 0x0f]) | 365 (*addr & ~map[(mask >> 0) & 0x0f]); 366 #endif 367 } 368 369 /*============================================================================= 370 * 371 * D2_M2L_3x2 372 * 373 */ 374 static void 375 put_oxel_D2_M2L_3x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 376 { 377 register u_int8_t odd = (data & 0xaa); 378 register u_int8_t even = (data & 0x55); 379 380 *xaddr = (odd | (even << 1)) | ((odd >> 1) & even); 381 } 382 383 /*============================================================================= 384 * 385 * D2_M2L_0 386 * 387 */ 388 static void 389 put_oxel_D2_M2L_0(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 390 { 391 #if 1 392 u_int16_t *addr = (u_int16_t *)xaddr; 393 static u_int16_t map0[] = { 394 0xff00, 0xfc00, 0xf300, 0xf000, 0xcf00, 0xcc00, 0xc300, 0xc000, 395 0x3f00, 0x3c00, 0x3300, 0x3000, 0x0f00, 0x0c00, 0x0300, 0x0000, 396 }; 397 static u_int16_t map1[] = { 398 0x00ff, 0x00fc, 0x00f3, 0x00f0, 0x00cf, 0x00cc, 0x00c3, 0x00c0, 399 0x003f, 0x003c, 0x0033, 0x0030, 0x000f, 0x000c, 0x0003, 0x0000, 400 }; 401 *addr = (map1[data >> 4] | map0[data & 0x0f]); 402 #else 403 static u_int8_t map[] = { 404 0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f, 405 0xc0, 0xc3, 0xcc, 0xcf, 0xf0, 0xf3, 0xfc, 0xff, 406 }; 407 u_int8_t *addr = xaddr; 408 409 *addr++ = (~(map[(data >> 4) & 0x0f] & map[(mask >> 4) & 0x0f])) | 410 (*addr & ~map[(mask >> 4) & 0x0f]); 411 *addr = (~(map[(data >> 0) & 0x0f] & map[(mask >> 0) & 0x0f])) | 412 (*addr & ~map[(mask >> 0) & 0x0f]); 413 #endif 414 } 415 416 /*============================================================================= 417 * 418 * D2_M2L_0x2 419 * 420 */ 421 static void 422 put_oxel_D2_M2L_0x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 423 { 424 register u_int8_t odd = (data & 0xaa); 425 register u_int8_t even = (data & 0x55); 426 427 *xaddr = ~((odd | (even << 1)) | ((odd >> 1) & even)); 428 } 429 430 /*============================================================================= 431 * 432 * D4_M2L_F 433 * 434 */ 435 static void 436 put_oxel_D4_M2L_F(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 437 { 438 u_int32_t *addr = (u_int32_t *)xaddr; 439 static u_int32_t map[] = { 440 0x0000, 0x0f00, 0xf000, 0xff00, 0x000f, 0x0f0f, 0xf00f, 0xff0f, 441 0x00f0, 0x0ff0, 0xf0f0, 0xfff0, 0x00ff, 0x0fff, 0xf0ff, 0xffff, 442 }; 443 *addr = (map[data >> 4] | (map[data & 0x0f] << 16)); 444 } 445 446 /*============================================================================= 447 * 448 * D4_M2L_Fx2 449 * 450 */ 451 static void 452 put_oxel_D4_M2L_Fx2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 453 { 454 u_int16_t *addr = (u_int16_t *)xaddr; 455 static u_int16_t map[] = { 456 0x00, 0x08, 0x08, 0x0f, 0x80, 0x88, 0x88, 0x8f, 457 0x80, 0x88, 0x88, 0x8f, 0xf0, 0xf8, 0xf8, 0xff, 458 }; 459 460 *addr = (map[data >> 4] | (map[data & 0x0f] << 8)); 461 } 462 463 /*============================================================================= 464 * 465 * D4_M2L_0 466 * 467 */ 468 static void 469 put_oxel_D4_M2L_0(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 470 { 471 u_int32_t *addr = (u_int32_t *)xaddr; 472 static u_int32_t map[] = { 473 0xffff, 0xf0ff, 0x0fff, 0x00ff, 0xfff0, 0xf0f0, 0x0ff0, 0x00f0, 474 0xff0f, 0xf00f, 0x0f0f, 0x000f, 0xff00, 0xf000, 0x0f00, 0x0000, 475 }; 476 *addr = (map[data >> 4] | (map[data & 0x0f] << 16)); 477 } 478 479 /*============================================================================= 480 * 481 * D4_M2L_0x2 482 * 483 */ 484 static void 485 put_oxel_D4_M2L_0x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 486 { 487 u_int16_t *addr = (u_int16_t *)xaddr; 488 static u_int16_t map[] = { 489 0xff, 0xf8, 0xf8, 0xf0, 0x8f, 0x88, 0x88, 0x80, 490 0x8f, 0x88, 0x88, 0x80, 0x0f, 0x08, 0x08, 0x00, 491 }; 492 493 *addr = (map[data >> 4] | (map[data & 0x0f] << 8)); 494 } 495 496 /*============================================================================= 497 * 498 * D8_00 499 * 500 */ 501 static void 502 put_oxel_D8_00(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 503 { 504 int i; 505 u_int8_t *addr = xaddr; 506 507 for (i = 0; i < 8; i++) { 508 if (mask & 0x80) { 509 *addr = (data & 0x80) ? 0x00 : 0xFF; 510 } 511 addr++; 512 data <<= 1; 513 mask <<= 1; 514 } 515 } 516 517 /*============================================================================= 518 * 519 * D8_FF 520 * 521 */ 522 static void 523 put_oxel_D8_FF(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 524 { 525 int i; 526 u_int8_t *addr = xaddr; 527 528 for (i = 0; i < 8; i++) { 529 if (mask & 0x80) { 530 *addr = (data & 0x80) ? 0xFF : 0x00; 531 } 532 addr++; 533 data <<= 1; 534 mask <<= 1; 535 } 536 } 537 538 /*============================================================================= 539 * 540 * D16_0000 541 * 542 */ 543 static void 544 put_oxel_D16_0000(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 545 { 546 int i; 547 u_int16_t *addr = (u_int16_t *)xaddr; 548 549 for (i = 0; i < 8; i++) { 550 if (mask & 0x80) { 551 *addr = (data & 0x80) ? 0x0000 : 0xFFFF; 552 } 553 addr++; 554 data <<= 1; 555 mask <<= 1; 556 } 557 } 558 559 /*============================================================================= 560 * 561 * D16_FFFF 562 * 563 */ 564 static void 565 put_oxel_D16_FFFF(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 566 { 567 int i; 568 u_int16_t *addr = (u_int16_t *)xaddr; 569 570 for (i = 0; i < 8; i++) { 571 if (mask & 0x80) { 572 *addr = (data & 0x80) ? 0xFFFF : 0x0000; 573 } 574 addr++; 575 data <<= 1; 576 mask <<= 1; 577 } 578 } 579
Indexes created Sat Sep 27 14:09:57 GMT 2025