1 /* $NetBSD: smg.c,v 1.35 2002/10/02 16:02:37 thorpej Exp $ */ 2 /* 3 * Copyright (c) 1998 Ludd, University of Lule}, Sweden. 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 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed at Ludd, University of 17 * Lule}, Sweden and its contributors. 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 <sys/param.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 #include <sys/callout.h> 37 #include <sys/time.h> 38 #include <sys/malloc.h> 39 #include <sys/conf.h> 40 #include <sys/kernel.h> 41 42 #include <machine/vsbus.h> 43 #include <machine/sid.h> 44 #include <machine/cpu.h> 45 #include <machine/ka420.h> 46 47 #include <dev/cons.h> 48 49 #include <dev/dec/dzreg.h> 50 #include <dev/dec/dzvar.h> 51 #include <dev/dec/dzkbdvar.h> 52 53 #include <dev/wscons/wsdisplayvar.h> 54 #include <dev/wscons/wsconsio.h> 55 #include <dev/wscons/wscons_callbacks.h> 56 57 #include "dzkbd.h" 58 #include "opt_wsfont.h" 59 60 /* Safety guard */ 61 #ifndef FONT_QVSS8x15 62 #include <dev/wsfont/qvss8x15.h> 63 #endif 64 65 /* Screen hardware defs */ 66 #define SM_COLS 128 /* char width of screen */ 67 #define SM_ROWS 57 /* rows of char on screen */ 68 #define SM_CHEIGHT 15 /* lines a char consists of */ 69 #define SM_NEXTROW (SM_COLS * SM_CHEIGHT) 70 #define SM_YWIDTH 864 71 #define SM_XWIDTH 1024 72 73 /* Cursor register definitions */ 74 #define CUR_CMD 0 75 #define CUR_XPOS 4 76 #define CUR_YPOS 8 77 #define CUR_XMIN_1 12 78 #define CUR_XMAX_1 16 79 #define CUR_YMIN_1 20 80 #define CUR_YMAX_1 24 81 #define CUR_XMIN_2 28 82 #define CUR_XMAX_2 32 83 #define CUR_YMIN_2 36 84 #define CUR_YMAX_2 40 85 #define CUR_LOAD 44 86 87 #define CUR_CMD_TEST 0x8000 88 #define CUR_CMD_HSHI 0x4000 89 #define CUR_CMD_VBHI 0x2000 90 #define CUR_CMD_LODSA 0x1000 91 #define CUR_CMD_FORG2 0x0800 92 #define CUR_CMD_ENRG2 0x0400 93 #define CUR_CMD_FORG1 0x0200 94 #define CUR_CMD_ENRG1 0x0100 95 #define CUR_CMD_XHWID 0x0080 96 #define CUR_CMD_XHCL1 0x0040 97 #define CUR_CMD_XHCLP 0x0020 98 #define CUR_CMD_XHAIR 0x0010 99 #define CUR_CMD_FOPB 0x0008 100 #define CUR_CMD_ENPB 0x0004 101 #define CUR_CMD_FOPA 0x0002 102 #define CUR_CMD_ENPA 0x0001 103 104 #define CUR_XBIAS 216 /* Add to cursor position */ 105 #define CUR_YBIAS 33 106 107 #define WRITECUR(addr, val) *(volatile short *)(curaddr + (addr)) = (val) 108 static caddr_t curaddr; 109 static short curcmd, curx, cury, hotX, hotY; 110 static int bgmask, fgmask; 111 112 static int smg_match(struct device *, struct cfdata *, void *); 113 static void smg_attach(struct device *, struct device *, void *); 114 115 struct smg_softc { 116 struct device ss_dev; 117 }; 118 119 CFATTACH_DECL(smg, sizeof(struct smg_softc), 120 smg_match, smg_attach, NULL, NULL); 121 122 static void smg_cursor(void *, int, int, int); 123 static int smg_mapchar(void *, int, unsigned int *); 124 static void smg_putchar(void *, int, int, u_int, long); 125 static void smg_copycols(void *, int, int, int,int); 126 static void smg_erasecols(void *, int, int, int, long); 127 static void smg_copyrows(void *, int, int, int); 128 static void smg_eraserows(void *, int, int, long); 129 static int smg_allocattr(void *, int, int, int, long *); 130 131 const struct wsdisplay_emulops smg_emulops = { 132 smg_cursor, 133 smg_mapchar, 134 smg_putchar, 135 smg_copycols, 136 smg_erasecols, 137 smg_copyrows, 138 smg_eraserows, 139 smg_allocattr 140 }; 141 142 const struct wsscreen_descr smg_stdscreen = { 143 "128x57", SM_COLS, SM_ROWS, 144 &smg_emulops, 145 8, SM_CHEIGHT, 146 WSSCREEN_UNDERLINE|WSSCREEN_REVERSE, 147 }; 148 149 const struct wsscreen_descr *_smg_scrlist[] = { 150 &smg_stdscreen, 151 }; 152 153 const struct wsscreen_list smg_screenlist = { 154 sizeof(_smg_scrlist) / sizeof(struct wsscreen_descr *), 155 _smg_scrlist, 156 }; 157 158 static caddr_t sm_addr; 159 160 extern struct wsdisplay_font qvss8x15; 161 static u_char *qf; 162 163 #define QCHAR(c) (c < 32 ? 32 : (c > 127 ? c - 66 : c - 32)) 164 #define QFONT(c,line) qf[QCHAR(c) * 15 + line] 165 #define SM_ADDR(row, col, line) \ 166 sm_addr[col + (row * SM_CHEIGHT * SM_COLS) + line * SM_COLS] 167 168 169 static int smg_ioctl(void *, u_long, caddr_t, int, struct proc *); 170 static paddr_t smg_mmap(void *, off_t, int); 171 static int smg_alloc_screen(void *, const struct wsscreen_descr *, 172 void **, int *, int *, long *); 173 static void smg_free_screen(void *, void *); 174 static int smg_show_screen(void *, void *, int, 175 void (*) (void *, int, int), void *); 176 static void smg_crsr_blink(void *); 177 178 const struct wsdisplay_accessops smg_accessops = { 179 smg_ioctl, 180 smg_mmap, 181 smg_alloc_screen, 182 smg_free_screen, 183 smg_show_screen, 184 0 /* load_font */ 185 }; 186 187 struct smg_screen { 188 int ss_curx; 189 int ss_cury; 190 u_char ss_image[SM_ROWS][SM_COLS]; /* Image of current screen */ 191 u_char ss_attr[SM_ROWS][SM_COLS]; /* Reversed etc... */ 192 }; 193 194 static struct smg_screen smg_conscreen; 195 static struct smg_screen *curscr; 196 197 static struct callout smg_cursor_ch = CALLOUT_INITIALIZER; 198 199 int 200 smg_match(struct device *parent, struct cfdata *match, void *aux) 201 { 202 struct vsbus_attach_args *va = aux; 203 volatile short *curcmd; 204 volatile short *cfgtst; 205 short tmp, tmp2; 206 207 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_53) 208 return 0; 209 210 curcmd = (short *)va->va_addr; 211 cfgtst = (short *)vax_map_physmem(VS_CFGTST, 1); 212 /* 213 * Try to find the cursor chip by testing the flip-flop. 214 * If nonexistent, no glass tty. 215 */ 216 curcmd[0] = CUR_CMD_HSHI|CUR_CMD_FOPB; 217 DELAY(300000); 218 tmp = cfgtst[0]; 219 curcmd[0] = CUR_CMD_TEST|CUR_CMD_HSHI; 220 DELAY(300000); 221 tmp2 = cfgtst[0]; 222 vax_unmap_physmem((vaddr_t)cfgtst, 1); 223 224 if (tmp2 != tmp) 225 return 20; /* Using periodic interrupt */ 226 else 227 return 0; 228 } 229 230 void 231 smg_attach(struct device *parent, struct device *self, void *aux) 232 { 233 struct wsemuldisplaydev_attach_args aa; 234 235 printf("\n"); 236 sm_addr = (caddr_t)vax_map_physmem(SMADDR, (SMSIZE/VAX_NBPG)); 237 curaddr = (caddr_t)vax_map_physmem(KA420_CUR_BASE, 1); 238 if (sm_addr == 0) { 239 printf("%s: Couldn't alloc graphics memory.\n", self->dv_xname); 240 return; 241 } 242 curscr = &smg_conscreen; 243 aa.console = (vax_confdata & (KA420_CFG_L3CON|KA420_CFG_MULTU)) == 0; 244 245 aa.scrdata = &smg_screenlist; 246 aa.accessops = &smg_accessops; 247 callout_reset(&smg_cursor_ch, hz / 2, smg_crsr_blink, NULL); 248 curcmd = CUR_CMD_HSHI; 249 WRITECUR(CUR_CMD, curcmd); 250 qf = qvss8x15.data; 251 252 config_found(self, &aa, wsemuldisplaydevprint); 253 } 254 255 static u_char *cursor; 256 static int cur_on; 257 258 static void 259 smg_crsr_blink(void *arg) 260 { 261 if (cur_on) 262 *cursor ^= 255; 263 callout_reset(&smg_cursor_ch, hz / 2, smg_crsr_blink, NULL); 264 } 265 266 void 267 smg_cursor(void *id, int on, int row, int col) 268 { 269 struct smg_screen *ss = id; 270 271 if (ss == curscr) { 272 SM_ADDR(ss->ss_cury, ss->ss_curx, 14) = 273 QFONT(ss->ss_image[ss->ss_cury][ss->ss_curx], 14); 274 cursor = &SM_ADDR(row, col, 14); 275 if ((cur_on = on)) 276 *cursor ^= 255; 277 } 278 ss->ss_curx = col; 279 ss->ss_cury = row; 280 } 281 282 int 283 smg_mapchar(void *id, int uni, unsigned int *index) 284 { 285 if (uni < 256) { 286 *index = uni; 287 return (5); 288 } 289 *index = ' '; 290 return (0); 291 } 292 293 static void 294 smg_putchar(void *id, int row, int col, u_int c, long attr) 295 { 296 struct smg_screen *ss = id; 297 int i; 298 299 c &= 0xff; 300 301 ss->ss_image[row][col] = c; 302 ss->ss_attr[row][col] = attr; 303 if (ss != curscr) 304 return; 305 for (i = 0; i < 15; i++) { 306 unsigned char ch = QFONT(c, i); 307 308 SM_ADDR(row, col, i) = (attr & WSATTR_REVERSE ? ~ch : ch); 309 310 } 311 if (attr & WSATTR_UNDERLINE) 312 SM_ADDR(row, col, 14) ^= SM_ADDR(row, col, 14); 313 } 314 315 /* 316 * copies columns inside a row. 317 */ 318 static void 319 smg_copycols(void *id, int row, int srccol, int dstcol, int ncols) 320 { 321 struct smg_screen *ss = id; 322 int i; 323 324 bcopy(&ss->ss_image[row][srccol], &ss->ss_image[row][dstcol], ncols); 325 bcopy(&ss->ss_attr[row][srccol], &ss->ss_attr[row][dstcol], ncols); 326 if (ss != curscr) 327 return; 328 for (i = 0; i < SM_CHEIGHT; i++) 329 bcopy(&SM_ADDR(row,srccol, i), &SM_ADDR(row, dstcol, i),ncols); 330 } 331 332 /* 333 * Erases a bunch of chars inside one row. 334 */ 335 static void 336 smg_erasecols(void *id, int row, int startcol, int ncols, long fillattr) 337 { 338 struct smg_screen *ss = id; 339 int i; 340 341 bzero(&ss->ss_image[row][startcol], ncols); 342 bzero(&ss->ss_attr[row][startcol], ncols); 343 if (ss != curscr) 344 return; 345 for (i = 0; i < SM_CHEIGHT; i++) 346 bzero(&SM_ADDR(row, startcol, i), ncols); 347 } 348 349 static void 350 smg_copyrows(void *id, int srcrow, int dstrow, int nrows) 351 { 352 struct smg_screen *ss = id; 353 int frows; 354 355 bcopy(&ss->ss_image[srcrow][0], &ss->ss_image[dstrow][0], 356 nrows * SM_COLS); 357 bcopy(&ss->ss_attr[srcrow][0], &ss->ss_attr[dstrow][0], 358 nrows * SM_COLS); 359 if (ss != curscr) 360 return; 361 if (nrows > 25) { 362 frows = nrows >> 1; 363 if (srcrow > dstrow) { 364 bcopy(&sm_addr[(srcrow * SM_NEXTROW)], 365 &sm_addr[(dstrow * SM_NEXTROW)], 366 frows * SM_NEXTROW); 367 bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)], 368 &sm_addr[((dstrow + frows) * SM_NEXTROW)], 369 (nrows - frows) * SM_NEXTROW); 370 } else { 371 bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)], 372 &sm_addr[((dstrow + frows) * SM_NEXTROW)], 373 (nrows - frows) * SM_NEXTROW); 374 bcopy(&sm_addr[(srcrow * SM_NEXTROW)], 375 &sm_addr[(dstrow * SM_NEXTROW)], 376 frows * SM_NEXTROW); 377 } 378 } else 379 bcopy(&sm_addr[(srcrow * SM_NEXTROW)], 380 &sm_addr[(dstrow * SM_NEXTROW)], nrows * SM_NEXTROW); 381 } 382 383 static void 384 smg_eraserows(void *id, int startrow, int nrows, long fillattr) 385 { 386 struct smg_screen *ss = id; 387 int frows; 388 389 bzero(&ss->ss_image[startrow][0], nrows * SM_COLS); 390 bzero(&ss->ss_attr[startrow][0], nrows * SM_COLS); 391 if (ss != curscr) 392 return; 393 if (nrows > 25) { 394 frows = nrows >> 1; 395 bzero(&sm_addr[(startrow * SM_NEXTROW)], frows * SM_NEXTROW); 396 bzero(&sm_addr[((startrow + frows) * SM_NEXTROW)], 397 (nrows - frows) * SM_NEXTROW); 398 } else 399 bzero(&sm_addr[(startrow * SM_NEXTROW)], nrows * SM_NEXTROW); 400 } 401 402 static int 403 smg_allocattr(void *id, int fg, int bg, int flags, long *attrp) 404 { 405 *attrp = flags; 406 return 0; 407 } 408 409 static void 410 setcursor(struct wsdisplay_cursor *v) 411 { 412 u_short red, green, blue, curfg[16], curmask[16]; 413 int i; 414 415 /* Enable cursor */ 416 if (v->which & WSDISPLAY_CURSOR_DOCUR) { 417 if (v->enable) 418 curcmd |= CUR_CMD_ENPB|CUR_CMD_ENPA; 419 else 420 curcmd &= ~(CUR_CMD_ENPB|CUR_CMD_ENPA); 421 WRITECUR(CUR_CMD, curcmd); 422 } 423 if (v->which & WSDISPLAY_CURSOR_DOHOT) { 424 hotX = v->hot.x; 425 hotY = v->hot.y; 426 } 427 if (v->which & WSDISPLAY_CURSOR_DOCMAP) { 428 /* First background */ 429 red = fusword(v->cmap.red); 430 green = fusword(v->cmap.green); 431 blue = fusword(v->cmap.blue); 432 bgmask = (((30L * red + 59L * green + 11L * blue) >> 8) >= 433 (((1<<8)-1)*50)) ? ~0 : 0; 434 red = fusword(v->cmap.red+2); 435 green = fusword(v->cmap.green+2); 436 blue = fusword(v->cmap.blue+2); 437 fgmask = (((30L * red + 59L * green + 11L * blue) >> 8) >= 438 (((1<<8)-1)*50)) ? ~0 : 0; 439 } 440 if (v->which & WSDISPLAY_CURSOR_DOSHAPE) { 441 WRITECUR(CUR_CMD, curcmd | CUR_CMD_LODSA); 442 copyin(v->image, curfg, sizeof(curfg)); 443 copyin(v->mask, curmask, sizeof(curmask)); 444 for (i = 0; i < sizeof(curfg)/2; i++) { 445 WRITECUR(CUR_LOAD, (curfg[i] & fgmask) | 446 ((curmask[i] & ~curfg[i]) & bgmask)); 447 } 448 for (i = 0; i < sizeof(curmask)/2; i++) { 449 WRITECUR(CUR_LOAD, curmask[i]); 450 } 451 WRITECUR(CUR_CMD, curcmd); 452 } 453 } 454 455 int 456 smg_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) 457 { 458 struct wsdisplay_fbinfo *fb = (void *)data; 459 static short curc; 460 461 switch (cmd) { 462 case WSDISPLAYIO_GTYPE: 463 *(u_int *)data = WSDISPLAY_TYPE_VAX_MONO; 464 break; 465 466 case WSDISPLAYIO_GINFO: 467 fb->height = SM_YWIDTH; 468 fb->width = SM_XWIDTH; 469 fb->depth = 1; 470 fb->cmsize = 2; 471 break; 472 473 case WSDISPLAYIO_SVIDEO: 474 if (*(u_int *)data == WSDISPLAYIO_VIDEO_ON) { 475 curcmd = curc; 476 } else { 477 curc = curcmd; 478 curcmd &= ~(CUR_CMD_FOPA|CUR_CMD_ENPA); 479 curcmd |= CUR_CMD_FOPB; 480 } 481 WRITECUR(CUR_CMD, curcmd); 482 break; 483 484 case WSDISPLAYIO_GVIDEO: 485 *(u_int *)data = (curcmd & CUR_CMD_FOPB ? 486 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON); 487 break; 488 489 case WSDISPLAYIO_SCURSOR: 490 setcursor((struct wsdisplay_cursor *)data); 491 break; 492 493 case WSDISPLAYIO_SCURPOS: 494 curx = ((struct wsdisplay_curpos *)data)->x; 495 cury = ((struct wsdisplay_curpos *)data)->y; 496 WRITECUR(CUR_XPOS, curx + CUR_XBIAS); 497 WRITECUR(CUR_YPOS, cury + CUR_YBIAS); 498 break; 499 500 case WSDISPLAYIO_GCURPOS: 501 ((struct wsdisplay_curpos *)data)->x = curx; 502 ((struct wsdisplay_curpos *)data)->y = cury; 503 break; 504 505 default: 506 return EPASSTHROUGH; 507 } 508 return 0; 509 } 510 511 static paddr_t 512 smg_mmap(void *v, off_t offset, int prot) 513 { 514 if (offset >= SMSIZE || offset < 0) 515 return -1; 516 return (SMADDR + offset) >> PGSHIFT; 517 } 518 519 int 520 smg_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, 521 int *curxp, int *curyp, long *defattrp) 522 { 523 *cookiep = malloc(sizeof(struct smg_screen), M_DEVBUF, M_WAITOK); 524 bzero(*cookiep, sizeof(struct smg_screen)); 525 *curxp = *curyp = *defattrp = 0; 526 return 0; 527 } 528 529 void 530 smg_free_screen(void *v, void *cookie) 531 { 532 } 533 534 int 535 smg_show_screen(void *v, void *cookie, int waitok, 536 void (*cb)(void *, int, int), void *cbarg) 537 { 538 struct smg_screen *ss = cookie; 539 int row, col, line; 540 541 if (ss == curscr) 542 return (0); 543 544 for (row = 0; row < SM_ROWS; row++) 545 for (line = 0; line < SM_CHEIGHT; line++) { 546 for (col = 0; col < SM_COLS; col++) { 547 u_char s, c = ss->ss_image[row][col]; 548 549 if (c < 32) 550 c = 32; 551 s = QFONT(c, line); 552 if (ss->ss_attr[row][col] & WSATTR_REVERSE) 553 s ^= 255; 554 SM_ADDR(row, col, line) = s; 555 } 556 if (ss->ss_attr[row][col] & WSATTR_UNDERLINE) 557 SM_ADDR(row, col, line) = 255; 558 } 559 cursor = &sm_addr[(ss->ss_cury * SM_CHEIGHT * SM_COLS) + ss->ss_curx + 560 ((SM_CHEIGHT - 1) * SM_COLS)]; 561 curscr = ss; 562 return (0); 563 } 564 565 cons_decl(smg); 566 567 void 568 smgcninit(cndev) 569 struct consdev *cndev; 570 { 571 extern void lkccninit(struct consdev *); 572 extern int lkccngetc(dev_t); 573 extern int dz_vsbus_lk201_cnattach __P((int)); 574 /* Clear screen */ 575 memset(sm_addr, 0, 128*864); 576 577 curscr = &smg_conscreen; 578 wsdisplay_cnattach(&smg_stdscreen, &smg_conscreen, 0, 0, 0); 579 cn_tab->cn_pri = CN_INTERNAL; 580 qf = qvss8x15.data; 581 582 #if NDZKBD > 0 583 dzkbd_cnattach(0); /* Connect keyboard and screen together */ 584 #endif 585 } 586 587 /* 588 * Called very early to setup the glass tty as console. 589 * Because it's called before the VM system is inited, virtual memory 590 * for the framebuffer can be stolen directly without disturbing anything. 591 */ 592 void 593 smgcnprobe(cndev) 594 struct consdev *cndev; 595 { 596 extern vaddr_t virtual_avail; 597 extern const struct cdevsw wsdisplay_cdevsw; 598 599 switch (vax_boardtype) { 600 case VAX_BTYP_410: 601 case VAX_BTYP_420: 602 case VAX_BTYP_43: 603 if ((vax_confdata & KA420_CFG_L3CON) || 604 (vax_confdata & KA420_CFG_MULTU)) 605 break; /* doesn't use graphics console */ 606 sm_addr = (caddr_t)virtual_avail; 607 virtual_avail += SMSIZE; 608 ioaccess((vaddr_t)sm_addr, SMADDR, (SMSIZE/VAX_NBPG)); 609 cndev->cn_pri = CN_INTERNAL; 610 cndev->cn_dev = makedev(cdevsw_lookup_major(&wsdisplay_cdevsw), 611 0); 612 break; 613 614 default: 615 break; 616 } 617 } 618