1 /* $NetBSD: bicons.c,v 1.4 2001/11/13 12:47:56 lukem 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 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: bicons.c,v 1.4 2001/11/13 12:47:56 lukem Exp $"); 39 40 #define HALF_FONT 41 42 #include <sys/param.h> 43 #include <sys/device.h> 44 #include <sys/systm.h> 45 #include <sys/conf.h> 46 #include <dev/cons.h> 47 48 #include <machine/bootinfo.h> 49 #include <machine/bus.h> 50 #include <machine/platid.h> 51 #include <machine/stdarg.h> 52 53 #include <dev/hpc/biconsvar.h> 54 #include <dev/hpc/bicons.h> 55 extern u_int8_t font_clR8x8_data[]; 56 #define FONT_HEIGHT 8 57 #define FONT_WIDTH 1 58 59 static void put_oxel_D2_M2L_3(u_int8_t *, u_int8_t, u_int8_t); 60 static void put_oxel_D2_M2L_3x2(u_int8_t *, u_int8_t, u_int8_t); 61 static void put_oxel_D2_M2L_0(u_int8_t *, u_int8_t, u_int8_t); 62 static void put_oxel_D2_M2L_0x2(u_int8_t *, u_int8_t, u_int8_t); 63 static void put_oxel_D4_M2L_F(u_int8_t *, u_int8_t, u_int8_t); 64 static void put_oxel_D4_M2L_Fx2(u_int8_t *, u_int8_t, u_int8_t); 65 static void put_oxel_D4_M2L_0(u_int8_t *, u_int8_t, u_int8_t); 66 static void put_oxel_D4_M2L_0x2(u_int8_t *, u_int8_t, u_int8_t); 67 static void put_oxel_D8_00(u_int8_t *, u_int8_t, u_int8_t); 68 static void put_oxel_D8_FF(u_int8_t *, u_int8_t, u_int8_t); 69 static void put_oxel_D16_0000(u_int8_t *, u_int8_t, u_int8_t); 70 static void put_oxel_D16_FFFF(u_int8_t *, u_int8_t, u_int8_t); 71 72 struct { 73 int type; 74 char *name; 75 void (*func)(u_int8_t *, u_int8_t, u_int8_t); 76 u_int8_t clear_byte; 77 int16_t oxel_bytes; 78 } fb_table[] = { 79 { BIFB_D2_M2L_3, BIFBN_D2_M2L_3, 80 put_oxel_D2_M2L_3, 0, 2 }, 81 { BIFB_D2_M2L_3x2, BIFBN_D2_M2L_3x2, 82 put_oxel_D2_M2L_3x2, 0, 1 }, 83 { BIFB_D2_M2L_0, BIFBN_D2_M2L_0, 84 put_oxel_D2_M2L_0, 0xff, 2 }, 85 { BIFB_D2_M2L_0x2, BIFBN_D2_M2L_0x2, 86 put_oxel_D2_M2L_0x2, 0xff, 1 }, 87 { BIFB_D4_M2L_F, BIFBN_D4_M2L_F, 88 put_oxel_D4_M2L_F, 0x00, 4 }, 89 { BIFB_D4_M2L_Fx2, BIFBN_D4_M2L_Fx2, 90 put_oxel_D4_M2L_Fx2, 0x00, 2 }, 91 { BIFB_D4_M2L_0, BIFBN_D4_M2L_0, 92 put_oxel_D4_M2L_0, 0xff, 4 }, 93 { BIFB_D4_M2L_0x2, BIFBN_D4_M2L_0x2, 94 put_oxel_D4_M2L_0x2, 0xff, 2 }, 95 { BIFB_D8_00, BIFBN_D8_00, 96 put_oxel_D8_00, 0xff, 8 }, 97 { BIFB_D8_FF, BIFBN_D8_FF, 98 put_oxel_D8_FF, 0x00, 8 }, 99 { BIFB_D16_0000, BIFBN_D16_0000, 100 put_oxel_D16_0000, 0xff, 16 }, 101 { BIFB_D16_FFFF, BIFBN_D16_FFFF, 102 put_oxel_D16_FFFF, 0x00, 16 }, 103 }; 104 #define FB_TABLE_SIZE (sizeof(fb_table)/sizeof(*fb_table)) 105 106 static u_int8_t *fb_vram; 107 static int16_t fb_line_bytes; 108 static u_int8_t fb_clear_byte; 109 int16_t bicons_ypixel; 110 int16_t bicons_xpixel; 111 #ifdef HALF_FONT 112 static int16_t fb_oxel_bytes = 1; 113 int16_t bicons_width = 80; 114 void (*fb_put_oxel)(u_int8_t *, u_int8_t, u_int8_t) = put_oxel_D2_M2L_3x2; 115 #else /* HALF_FONT */ 116 static int16_t fb_oxel_bytes = 2; 117 int16_t bicons_width = 40; 118 void (*fb_put_oxel)(u_int8_t *, u_int8_t, u_int8_t) = put_oxel_D2_M2L_3; 119 #endif /* HALF_FONT */ 120 int16_t bicons_height; 121 static int16_t curs_x; 122 static int16_t curs_y; 123 124 cdev_decl(biconsdev); 125 126 static int bicons_priority; 127 void biconscninit(struct consdev *); 128 void biconscnprobe(struct consdev *); 129 void biconscnputc(dev_t, int); 130 int biconscngetc(dev_t); /* harmless place holder */ 131 132 static void draw_char(int, int, int); 133 static void clear(int, int); 134 static void scroll(int, int, int); 135 static void bicons_puts(char *); 136 static void bicons_printf(const char *, ...) __attribute__((__unused__)); 137 138 void 139 bicons_init(struct consdev *cndev) 140 { 141 biconscninit(cndev); 142 biconscnprobe(cndev); 143 } 144 145 void 146 biconscninit(struct consdev *cndev) 147 { 148 int fb_index = -1; 149 150 for (fb_index = 0; fb_index < FB_TABLE_SIZE; fb_index++) 151 if (fb_table[fb_index].type == bootinfo->fb_type) 152 break; 153 154 if (FB_TABLE_SIZE <= fb_index || fb_index == -1) { 155 /* 156 * Unknown frame buffer type, but what can I do ? 157 */ 158 fb_index = 0; 159 } 160 161 fb_vram = (u_int8_t *)bootinfo->fb_addr; 162 fb_line_bytes = bootinfo->fb_line_bytes; 163 bicons_xpixel = bootinfo->fb_width; 164 bicons_ypixel = bootinfo->fb_height; 165 166 fb_put_oxel = fb_table[fb_index].func; 167 fb_clear_byte = fb_table[fb_index].clear_byte; 168 fb_oxel_bytes = fb_table[fb_index].oxel_bytes; 169 170 bicons_width = bicons_xpixel / (8 * FONT_WIDTH); 171 bicons_height = bicons_ypixel / FONT_HEIGHT; 172 clear(0, bicons_ypixel); 173 174 curs_x = 0; 175 curs_y = 0; 176 177 bicons_puts("builtin console type = "); 178 bicons_puts(fb_table[fb_index].name); 179 bicons_puts("\n"); 180 } 181 182 void 183 biconscnprobe(struct consdev *cndev) 184 { 185 int maj; 186 187 /* locate the major number */ 188 for (maj = 0; maj < nchrdev; maj++) 189 if (cdevsw[maj].d_open == biconsdevopen) 190 break; 191 192 cndev->cn_dev = makedev(maj, 0); 193 cndev->cn_pri = bicons_priority; 194 } 195 196 void 197 bicons_set_priority(int priority) 198 { 199 bicons_priority = priority; 200 } 201 202 int 203 biconscngetc(dev_t dev) 204 { 205 printf("no input method. reboot me.\n"); 206 while (1) 207 ; 208 /* NOTREACHED */ 209 } 210 211 void 212 biconscnputc(dev_t dev, int c) 213 { 214 int line_feed = 0; 215 216 switch (c) { 217 case 0x08: /* back space */ 218 if (--curs_x < 0) { 219 curs_x = 0; 220 } 221 /* erase character ar cursor position */ 222 draw_char(curs_x, curs_y, ' '); 223 break; 224 case '\r': 225 curs_x = 0; 226 break; 227 case '\n': 228 curs_x = 0; 229 line_feed = 1; 230 break; 231 default: 232 draw_char(curs_x, curs_y, c); 233 if (bicons_width <= ++curs_x) { 234 curs_x = 0; 235 line_feed = 1; 236 } 237 } 238 239 if (line_feed) { 240 if (bicons_height <= ++curs_y) { 241 /* scroll up */ 242 scroll(FONT_HEIGHT, (bicons_height - 1) * FONT_HEIGHT, 243 - FONT_HEIGHT); 244 clear((bicons_height - 1) * FONT_HEIGHT, FONT_HEIGHT); 245 curs_y--; 246 } 247 } 248 } 249 250 void 251 bicons_puts(char *s) 252 { 253 while (*s) 254 biconscnputc(NULL, *s++); 255 } 256 257 258 void 259 bicons_putn(const char *s, int n) 260 { 261 while (0 < n--) 262 biconscnputc(NULL, *s++); 263 } 264 265 void 266 #ifdef __STDC__ 267 bicons_printf(const char *fmt, ...) 268 #else 269 bicons_printf(fmt, va_alist) 270 char *fmt; 271 va_dcl 272 #endif 273 { 274 va_list ap; 275 char buf[0x100]; 276 277 va_start(ap, fmt); 278 vsnprintf(buf, sizeof(buf), fmt, ap); 279 va_end(ap); 280 bicons_puts(buf); 281 } 282 283 static void 284 draw_char(int x, int y, int c) 285 { 286 int i; 287 u_int8_t *p; 288 289 if (!fb_vram) 290 return; 291 292 p = &fb_vram[(y * FONT_HEIGHT * fb_line_bytes) + 293 x * FONT_WIDTH * fb_oxel_bytes]; 294 for (i = 0; i < FONT_HEIGHT; i++) { 295 (*fb_put_oxel)(p, font_clR8x8_data 296 [FONT_WIDTH * (FONT_HEIGHT * c + i)], 0xff); 297 p += (fb_line_bytes); 298 } 299 } 300 301 static void 302 clear(int y, int height) 303 { 304 u_int8_t *p; 305 306 if (!fb_vram) 307 return; 308 309 p = &fb_vram[y * fb_line_bytes]; 310 311 while (0 < height--) { 312 memset(p, fb_clear_byte, 313 bicons_width * fb_oxel_bytes * FONT_WIDTH); 314 p += fb_line_bytes; 315 } 316 } 317 318 static void 319 scroll(int y, int height, int d) 320 { 321 u_int8_t *from, *to; 322 323 if (!fb_vram) 324 return; 325 326 if (d < 0) { 327 from = &fb_vram[y * fb_line_bytes]; 328 to = from + d * fb_line_bytes; 329 while (0 < height--) { 330 memcpy(to, from, bicons_width * fb_oxel_bytes); 331 from += fb_line_bytes; 332 to += fb_line_bytes; 333 } 334 } else { 335 from = &fb_vram[(y + height - 1) * fb_line_bytes]; 336 to = from + d * fb_line_bytes; 337 while (0 < height--) { 338 memcpy(to, from, bicons_xpixel * fb_oxel_bytes / 8); 339 from -= fb_line_bytes; 340 to -= fb_line_bytes; 341 } 342 } 343 } 344 345 /*============================================================================= 346 * 347 * D2_M2L_3 348 * 349 */ 350 static void 351 put_oxel_D2_M2L_3(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 352 { 353 #if 1 354 u_int16_t *addr = (u_int16_t *)xaddr; 355 static u_int16_t map0[] = { 356 0x0000, 0x0300, 0x0c00, 0x0f00, 0x3000, 0x3300, 0x3c00, 0x3f00, 357 0xc000, 0xc300, 0xcc00, 0xcf00, 0xf000, 0xf300, 0xfc00, 0xff00, 358 }; 359 static u_int16_t map1[] = { 360 0x0000, 0x0003, 0x000c, 0x000f, 0x0030, 0x0033, 0x003c, 0x003f, 361 0x00c0, 0x00c3, 0x00cc, 0x00cf, 0x00f0, 0x00f3, 0x00fc, 0x00ff, 362 }; 363 *addr = (map1[data >> 4] | map0[data & 0x0f]); 364 #else 365 static u_int8_t map[] = { 366 0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f, 367 0xc0, 0xc3, 0xcc, 0xcf, 0xf0, 0xf3, 0xfc, 0xff, 368 }; 369 u_int8_t *addr = xaddr; 370 371 *addr++ = (map[(data >> 4) & 0x0f] & map[(mask >> 4) & 0x0f]) | 372 (*addr & ~map[(mask >> 4) & 0x0f]); 373 *addr = (map[(data >> 0) & 0x0f] & map[(mask >> 0) & 0x0f]) | 374 (*addr & ~map[(mask >> 0) & 0x0f]); 375 #endif 376 } 377 378 /*============================================================================= 379 * 380 * D2_M2L_3x2 381 * 382 */ 383 static void 384 put_oxel_D2_M2L_3x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 385 { 386 register u_int8_t odd = (data & 0xaa); 387 register u_int8_t even = (data & 0x55); 388 389 *xaddr = (odd | (even << 1)) | ((odd >> 1) & even); 390 } 391 392 /*============================================================================= 393 * 394 * D2_M2L_0 395 * 396 */ 397 static void 398 put_oxel_D2_M2L_0(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 399 { 400 #if 1 401 u_int16_t *addr = (u_int16_t *)xaddr; 402 static u_int16_t map0[] = { 403 0xff00, 0xfc00, 0xf300, 0xf000, 0xcf00, 0xcc00, 0xc300, 0xc000, 404 0x3f00, 0x3c00, 0x3300, 0x3000, 0x0f00, 0x0c00, 0x0300, 0x0000, 405 }; 406 static u_int16_t map1[] = { 407 0x00ff, 0x00fc, 0x00f3, 0x00f0, 0x00cf, 0x00cc, 0x00c3, 0x00c0, 408 0x003f, 0x003c, 0x0033, 0x0030, 0x000f, 0x000c, 0x0003, 0x0000, 409 }; 410 *addr = (map1[data >> 4] | map0[data & 0x0f]); 411 #else 412 static u_int8_t map[] = { 413 0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f, 414 0xc0, 0xc3, 0xcc, 0xcf, 0xf0, 0xf3, 0xfc, 0xff, 415 }; 416 u_int8_t *addr = xaddr; 417 418 *addr++ = (~(map[(data >> 4) & 0x0f] & map[(mask >> 4) & 0x0f])) | 419 (*addr & ~map[(mask >> 4) & 0x0f]); 420 *addr = (~(map[(data >> 0) & 0x0f] & map[(mask >> 0) & 0x0f])) | 421 (*addr & ~map[(mask >> 0) & 0x0f]); 422 #endif 423 } 424 425 /*============================================================================= 426 * 427 * D2_M2L_0x2 428 * 429 */ 430 static void 431 put_oxel_D2_M2L_0x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 432 { 433 register u_int8_t odd = (data & 0xaa); 434 register u_int8_t even = (data & 0x55); 435 436 *xaddr = ~((odd | (even << 1)) | ((odd >> 1) & even)); 437 } 438 439 /*============================================================================= 440 * 441 * D4_M2L_F 442 * 443 */ 444 static void 445 put_oxel_D4_M2L_F(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 446 { 447 u_int32_t *addr = (u_int32_t *)xaddr; 448 static u_int32_t map[] = { 449 0x0000, 0x0f00, 0xf000, 0xff00, 0x000f, 0x0f0f, 0xf00f, 0xff0f, 450 0x00f0, 0x0ff0, 0xf0f0, 0xfff0, 0x00ff, 0x0fff, 0xf0ff, 0xffff, 451 }; 452 *addr = (map[data >> 4] | (map[data & 0x0f] << 16)); 453 } 454 455 /*============================================================================= 456 * 457 * D4_M2L_Fx2 458 * 459 */ 460 static void 461 put_oxel_D4_M2L_Fx2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 462 { 463 u_int16_t *addr = (u_int16_t *)xaddr; 464 static u_int16_t map[] = { 465 0x00, 0x08, 0x08, 0x0f, 0x80, 0x88, 0x88, 0x8f, 466 0x80, 0x88, 0x88, 0x8f, 0xf0, 0xf8, 0xf8, 0xff, 467 }; 468 469 *addr = (map[data >> 4] | (map[data & 0x0f] << 8)); 470 } 471 472 /*============================================================================= 473 * 474 * D4_M2L_0 475 * 476 */ 477 static void 478 put_oxel_D4_M2L_0(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 479 { 480 u_int32_t *addr = (u_int32_t *)xaddr; 481 static u_int32_t map[] = { 482 0xffff, 0xf0ff, 0x0fff, 0x00ff, 0xfff0, 0xf0f0, 0x0ff0, 0x00f0, 483 0xff0f, 0xf00f, 0x0f0f, 0x000f, 0xff00, 0xf000, 0x0f00, 0x0000, 484 }; 485 *addr = (map[data >> 4] | (map[data & 0x0f] << 16)); 486 } 487 488 /*============================================================================= 489 * 490 * D4_M2L_0x2 491 * 492 */ 493 static void 494 put_oxel_D4_M2L_0x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 495 { 496 u_int16_t *addr = (u_int16_t *)xaddr; 497 static u_int16_t map[] = { 498 0xff, 0xf8, 0xf8, 0xf0, 0x8f, 0x88, 0x88, 0x80, 499 0x8f, 0x88, 0x88, 0x80, 0x0f, 0x08, 0x08, 0x00, 500 }; 501 502 *addr = (map[data >> 4] | (map[data & 0x0f] << 8)); 503 } 504 505 /*============================================================================= 506 * 507 * D8_00 508 * 509 */ 510 static void 511 put_oxel_D8_00(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 512 { 513 int i; 514 u_int8_t *addr = xaddr; 515 516 for (i = 0; i < 8; i++) { 517 if (mask & 0x80) { 518 *addr = (data & 0x80) ? 0x00 : 0xFF; 519 } 520 addr++; 521 data <<= 1; 522 mask <<= 1; 523 } 524 } 525 526 /*============================================================================= 527 * 528 * D8_FF 529 * 530 */ 531 static void 532 put_oxel_D8_FF(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 533 { 534 int i; 535 u_int8_t *addr = xaddr; 536 537 for (i = 0; i < 8; i++) { 538 if (mask & 0x80) { 539 *addr = (data & 0x80) ? 0xFF : 0x00; 540 } 541 addr++; 542 data <<= 1; 543 mask <<= 1; 544 } 545 } 546 547 /*============================================================================= 548 * 549 * D16_0000 550 * 551 */ 552 static void 553 put_oxel_D16_0000(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 554 { 555 int i; 556 u_int16_t *addr = (u_int16_t *)xaddr; 557 558 for (i = 0; i < 8; i++) { 559 if (mask & 0x80) { 560 *addr = (data & 0x80) ? 0x0000 : 0xFFFF; 561 } 562 addr++; 563 data <<= 1; 564 mask <<= 1; 565 } 566 } 567 568 /*============================================================================= 569 * 570 * D16_FFFF 571 * 572 */ 573 static void 574 put_oxel_D16_FFFF(u_int8_t *xaddr, u_int8_t data, u_int8_t mask) 575 { 576 int i; 577 u_int16_t *addr = (u_int16_t *)xaddr; 578 579 for (i = 0; i < 8; i++) { 580 if (mask & 0x80) { 581 *addr = (data & 0x80) ? 0xFFFF : 0x0000; 582 } 583 addr++; 584 data <<= 1; 585 mask <<= 1; 586 } 587 } 588