qd.c revision 1.23
1 /* $NetBSD: qd.c,v 1.23 2001/11/13 07:11:24 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1988 Regents of the University of California. 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 the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University 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 * @(#)qd.c 7.1 (Berkeley) 6/28/91 36 */ 37 38 /************************************************************************ 39 * * 40 * Copyright (c) 1985-1988 by * 41 * Digital Equipment Corporation, Maynard, MA * 42 * All rights reserved. * 43 * * 44 * This software is furnished under a license and may be used and * 45 * copied only in accordance with the terms of such license and * 46 * with the inclusion of the above copyright notice. This * 47 * software or any other copies thereof may not be provided or * 48 * otherwise made available to any other person. No title to and * 49 * ownership of the software is hereby transferred. * 50 * * 51 * The information in this software is subject to change without * 52 * notice and should not be construed as a commitment by Digital * 53 * Equipment Corporation. * 54 * * 55 * Digital assumes no responsibility for the use or reliability * 56 * of its software on equipment which is not supplied by Digital. * 57 * * 58 *************************************************************************/ 59 60 /* 61 * qd.c - QDSS display driver for VAXSTATION-II GPX workstation 62 */ 63 64 #include <sys/cdefs.h> 65 __KERNEL_RCSID(0, "$NetBSD: qd.c,v 1.23 2001/11/13 07:11:24 lukem Exp $"); 66 67 #include "opt_ddb.h" 68 69 #include "qd.h" 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/conf.h> 74 #include <sys/tty.h> 75 #include <sys/kernel.h> 76 #include <sys/device.h> 77 #include <sys/poll.h> 78 #include <sys/buf.h> 79 80 #include <uvm/uvm_extern.h> 81 82 #include <dev/cons.h> 83 84 #include <machine/bus.h> 85 #include <machine/scb.h> 86 87 #ifdef __vax__ 88 #include <machine/sid.h> 89 #include <machine/cpu.h> 90 #include <machine/pte.h> 91 #endif 92 93 #include <dev/qbus/ubavar.h> 94 95 #include <dev/qbus/qduser.h> 96 #include <dev/qbus/qdreg.h> 97 #include <dev/qbus/qdioctl.h> 98 99 #include "ioconf.h" 100 101 /* 102 * QDSS driver status flags for tracking operational state 103 */ 104 struct qdflags { 105 u_int inuse; /* which minor dev's are in use now */ 106 u_int config; /* I/O page register content */ 107 u_int mapped; /* user mapping status word */ 108 u_int kernel_loop; /* if kernel console is redirected */ 109 u_int user_dma; /* DMA from user space in progress */ 110 u_short pntr_id; /* type code of pointing device */ 111 u_short duart_imask; /* shadowing for duart intrpt mask reg */ 112 u_short adder_ie; /* shadowing for adder intrpt enbl reg */ 113 u_short curs_acc; /* cursor acceleration factor */ 114 u_short curs_thr; /* cursor acceleration threshold level */ 115 u_short tab_res; /* tablet resolution factor */ 116 u_short selmask; /* mask for active qd select entries */ 117 }; 118 119 /* 120 * Softc struct to keep track of all states in this driver. 121 */ 122 struct qd_softc { 123 struct device sc_dev; 124 bus_space_tag_t sc_iot; 125 bus_space_handle_t sc_ioh; 126 bus_dma_tag_t sc_dmat; 127 }; 128 129 /* 130 * bit definitions for 'inuse' entry 131 */ 132 #define CONS_DEV 0x01 133 #define GRAPHIC_DEV 0x04 134 135 /* 136 * bit definitions for 'mapped' member of flag structure 137 */ 138 #define MAPDEV 0x01 /* hardware is mapped */ 139 #define MAPDMA 0x02 /* DMA buffer mapped */ 140 #define MAPEQ 0x04 /* event queue buffer mapped */ 141 #define MAPSCR 0x08 /* scroll param area mapped */ 142 #define MAPCOLOR 0x10 /* color map writing buffer mapped */ 143 144 /* 145 * bit definitions for 'selmask' member of qdflag structure 146 */ 147 #define SEL_READ 0x01 /* read select is active */ 148 #define SEL_WRITE 0x02 /* write select is active */ 149 150 /* 151 * constants used in shared memory operations 152 */ 153 #define EVENT_BUFSIZE 1024 /* # of bytes per device's event buffer */ 154 #define MAXEVENTS ( (EVENT_BUFSIZE - sizeof(struct qdinput)) \ 155 / sizeof(struct _vs_event) ) 156 #define DMA_BUFSIZ (1024 * 10) 157 #define COLOR_BUFSIZ ((sizeof(struct color_buf) + 512) & ~0x01FF) 158 159 /* 160 * reference to an array of "uba_device" structures built by the auto 161 * configuration program. The uba_device structure decribes the device 162 * sufficiently for the driver to talk to it. The auto configuration code 163 * fills in the uba_device structures (located in ioconf.c) from user 164 * maintained info. 165 */ 166 struct uba_device *qdinfo[NQD]; /* array of pntrs to each QDSS's */ 167 struct tty *qd_tty[NQD*4]; /* teletype structures for each.. */ 168 volatile char *qvmem[NQD]; 169 volatile struct pte *QVmap[NQD]; 170 #define CHUNK (64 * 1024) 171 #define QMEMSIZE (1024 * 1024 * 4) /* 4 meg */ 172 173 /* 174 * static storage used by multiple functions in this code 175 */ 176 int Qbus_unmap[NQD]; /* Qbus mapper release code */ 177 struct qdmap qdmap[NQD]; /* QDSS register map structure */ 178 struct qdflags qdflags[NQD]; /* QDSS register map structure */ 179 caddr_t qdbase[NQD]; /* base address of each QDSS unit */ 180 struct buf qdbuf[NQD]; /* buf structs used by strategy */ 181 short qdopened[NQD]; /* graphics device is open exclusive use */ 182 183 /* 184 * the array "event_shared[]" is made up of a number of event queue buffers 185 * equal to the number of QDSS's configured into the running kernel (NQD). 186 * Each event queue buffer begins with an event queue header (struct qdinput) 187 * followed by a group of event queue entries (struct _vs_event). The array 188 * "*eq_header[]" is an array of pointers to the start of each event queue 189 * buffer in "event_shared[]". 190 */ 191 #define EQSIZE ((EVENT_BUFSIZE * NQD) + 512) 192 193 char event_shared[EQSIZE]; /* reserve space for event bufs */ 194 struct qdinput *eq_header[NQD]; /* event queue header pntrs */ 195 196 /* 197 * This allocation method reserves enough memory pages for NQD shared DMA I/O 198 * buffers. Each buffer must consume an integral number of memory pages to 199 * guarantee that a following buffer will begin on a page boundary. Also, 200 * enough space is allocated so that the FIRST I/O buffer can start at the 201 * 1st page boundary after "&DMA_shared". Page boundaries are used so that 202 * memory protections can be turned on/off for individual buffers. 203 */ 204 #define IOBUFSIZE ((DMA_BUFSIZ * NQD) + 512) 205 206 char DMA_shared[IOBUFSIZE]; /* reserve I/O buffer space */ 207 struct DMAreq_header *DMAheader[NQD]; /* DMA buffer header pntrs */ 208 209 /* 210 * The driver assists a client in scroll operations by loading dragon 211 * registers from an interrupt service routine. The loading is done using 212 * parameters found in memory shrade between the driver and it's client. 213 * The scroll parameter structures are ALL loacted in the same memory page 214 * for reasons of memory economy. 215 */ 216 char scroll_shared[2 * 512]; /* reserve space for scroll structs */ 217 struct scroll *scroll[NQD]; /* pointers to scroll structures */ 218 219 /* 220 * the driver is programmable to provide the user with color map write 221 * services at VSYNC interrupt time. At interrupt time the driver loads 222 * the color map with any user-requested load data found in shared memory 223 */ 224 #define COLOR_SHARED ((COLOR_BUFSIZ * NQD) + 512) 225 226 char color_shared[COLOR_SHARED]; /* reserve space: color bufs */ 227 struct color_buf *color_buf[NQD]; /* pointers to color bufs */ 228 229 /* 230 * mouse input event structures 231 */ 232 struct mouse_report last_rep[NQD]; 233 struct mouse_report current_rep[NQD]; 234 235 struct selinfo qdrsel[NQD]; /* process waiting for select */ 236 struct _vs_cursor cursor[NQD]; /* console cursor */ 237 int qdcount = 0; /* count of successfully probed qd's */ 238 int nNQD = NQD; 239 int DMAbuf_size = DMA_BUFSIZ; 240 int QDlast_DMAtype; /* type of the last DMA operation */ 241 242 /* #define QDSSMAJOR 41 */ /* QDSS major device number. We don't care! */ 243 244 /* 245 * macro to get system time. Used to time stamp event queue entries 246 */ 247 #define TOY ((time.tv_sec * 100) + (time.tv_usec / 10000)) 248 249 void qd_attach __P((struct device *, struct device *, void *)); 250 static int qd_match __P((struct device *, struct cfdata *, void *)); 251 252 static void qddint __P((void *)); /* DMA gate array intrpt service */ 253 static void qdaint __P((void *)); /* Dragon ADDER intrpt service */ 254 static void qdiint __P((void *)); 255 256 #define QDPRIOR (PZERO-1) /* must be negative */ 257 #define FALSE 0 258 #ifdef TRUE 259 #undef TRUE 260 #endif 261 #define TRUE ~FALSE 262 #define BAD -1 263 #define GOOD 0 264 265 /* 266 * macro to create a system virtual page number from system virtual adrs 267 */ 268 #define VTOP(x) (((int)x & ~0xC0000000) >> VAX_PGSHIFT) 269 270 /* 271 * QDSS register address offsets from start of QDSS address space 272 */ 273 #define QDSIZE (52 * 1024) /* size of entire QDSS foot print */ 274 #define TMPSIZE (16 * 1024) /* template RAM is 8k SHORT WORDS */ 275 #define TMPSTART 0x8000 /* offset of template RAM from base adrs */ 276 #define REGSIZE (5 * 512) /* regs touch 2.5k (5 pages) of addr space */ 277 #define REGSTART 0xC000 /* offset of reg pages from base adrs */ 278 #define ADDER (REGSTART+0x000) 279 #define DGA (REGSTART+0x200) 280 #define DUART (REGSTART+0x400) 281 #define MEMCSR (REGSTART+0x800) 282 #define CLRSIZE (3 * 512) /* color map size */ 283 #define CLRSTART (REGSTART+0xA00) /* color map start offset from base */ 284 /* 0x0C00 really */ 285 #define RED (CLRSTART+0x000) 286 #define BLUE (CLRSTART+0x200) 287 #define GREEN (CLRSTART+0x400) 288 289 290 /* 291 * QDSS minor device numbers. The *real* minor device numbers are in 292 * the bottom two bits of the major/minor device spec. Bits 2 and up are 293 * used to specify the QDSS device number (ie: which one?) 294 */ 295 296 #define CONS 0 297 #define GRAPHIC 2 298 299 /* 300 * console cursor bitmap (white block cursor) 301 */ 302 short cons_cursor[32] = { 303 /* A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 304 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 305 /* B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 306 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF 307 }; 308 309 /* 310 * constants used in font operations 311 */ 312 #define CHARS 190 /* # of chars in the font */ 313 #define CHAR_HEIGHT 15 /* char height in pixels */ 314 #define CHAR_WIDTH 8 /* char width in pixels*/ 315 #define FONT_WIDTH (CHAR_WIDTH * CHARS) /* font width in pixels */ 316 #define ROWS CHAR_HEIGHT 317 #define FONT_X 0 /* font's off screen adrs */ 318 #define FONT_Y (2048 - CHAR_HEIGHT) 319 320 /* Offset to second row characters (XXX - should remove) */ 321 #define FONT_OFFSET ((MAX_SCREEN_X/CHAR_WIDTH)*CHAR_HEIGHT) 322 323 extern char q_font[]; /* reference font object code */ 324 extern u_short q_key[]; /* reference key xlation tables */ 325 extern u_short q_shift_key[]; 326 extern char *q_special[]; 327 328 /* 329 * definitions for cursor acceleration reporting 330 */ 331 #define ACC_OFF 0x01 /* acceleration is inactive */ 332 333 /* 334 * virtual console support. 335 */ 336 extern struct cdevsw *consops; 337 cons_decl(qd); 338 cdev_decl(qd); 339 void setup_dragon __P((int)); 340 void init_shared __P((int)); 341 void clear_qd_screen __P((int)); 342 void ldfont __P((int)); 343 void ldcursor __P((int, short *)); 344 void setup_input __P((int)); 345 void blitc __P((int, u_char)); 346 void scroll_up __P((volatile struct adder *)); 347 void write_ID __P((volatile struct adder *, short, short)); 348 int wait_status __P((volatile struct adder *, int)); 349 void led_control __P((int, int, int)); 350 void qdstart(struct tty *); 351 void qdearly(void); 352 int qdpolling = 0; 353 354 /* 355 * LK-201 state storage for input console keyboard conversion to ASCII 356 */ 357 struct q_keyboard { 358 int shift; /* state variables */ 359 int cntrl; 360 int lock; 361 int lastcode; /* last keycode typed */ 362 unsigned kup[8]; /* bits for each keycode*/ 363 unsigned dkeys[8]; /* down/up mode keys */ 364 char last; /* last character */ 365 } q_keyboard; 366 367 /* 368 * tty settings on first open 369 */ 370 #define IFLAG (BRKINT|ISTRIP|IXON|IXANY|ICRNL|IMAXBEL) 371 #define OFLAG (OPOST|OXTABS|ONLCR) 372 #define LFLAG (ISIG|ICANON|ECHO|IEXTEN) 373 #define CFLAG (PARENB|CREAD|CS7|CLOCAL) 374 375 /* 376 * Kernel virtual addresses where we can map in the QBUS io page and the 377 * QDSS memory during qdcninit. pmap_bootstrap fills this in. 378 */ 379 void *qd_ubaio; 380 381 /* This is the QDSS unit 0 CSR. It is hard-coded in here so that the 382 * QDSS can be used as the console. The console routines don't get 383 * any config info. The ROM also autodetects at this address, so 384 * the console QDSS should be at this address. Furthermore, nothing 385 * else shuld be at this address instead because that would confuse the 386 * ROM and this driver. 387 */ 388 #define QDSSCSR 0x1F00 389 390 volatile u_short *qdaddr; /* Virtual address for QDSS CSR */ 391 392 /* 393 * This flag is set to 1 if the console initialization (qdcninit) 394 * has been performed on qd0. That initialization is required and must 395 * be done before the device probe routine. 396 */ 397 int qd0cninited = 0, qd0iscons = 0; 398 399 /* 400 * Do early check if the qdss is console. If not; don't allocate 401 * any memory for it in bootstrap. 402 */ 403 void 404 qdearly() 405 { 406 extern vaddr_t virtual_avail; 407 int tmp; 408 409 /* Make sure we're running on a system that can have a QDSS */ 410 if (vax_boardtype == VAX_BTYP_630) { 411 /* Now check some undocumented flag */ 412 if ((*(int *)(0x200B801E) & 0x60) == 0) 413 /* The KA630 isn't using a QDSS as the console, 414 * so we won't either */ 415 return; 416 } else if (vax_boardtype != VAX_BTYP_650) 417 return; 418 419 /* How to check for console on KA650? We assume that if there is a 420 * QDSS, it is console. 421 */ 422 #define QIOPAGE 0x20000000 /* XXX */ 423 #define UBAIOPAGES 16 424 tmp = QIOPAGE + ubdevreg(QDSSCSR); 425 if (badaddr((caddr_t)tmp, sizeof(short))) 426 return; 427 428 MAPVIRT(qvmem[0], 64 * 1024 * NQD / VAX_NBPG); 429 MAPVIRT(qd_ubaio, 16); 430 pmap_map((int)qd_ubaio, QIOPAGE, QIOPAGE + UBAIOPAGES * VAX_NBPG, 431 VM_PROT_READ|VM_PROT_WRITE); 432 qdaddr = (u_short *)((u_int)qd_ubaio + ubdevreg(QDSSCSR)); 433 qd0iscons = 1; 434 } 435 436 void 437 qdcnprobe(cndev) 438 struct consdev *cndev; 439 { 440 int i; 441 442 cndev->cn_pri = CN_DEAD; 443 444 if (mfpr(PR_MAPEN) == 0) 445 return; /* Cannot use qd if vm system is OFF */ 446 447 if (!qd0iscons) 448 return; 449 450 /* Find the console device corresponding to the console QDSS */ 451 for (i = 0; i < nchrdev; i++) 452 if (cdevsw[i].d_open == qdopen) { 453 cndev->cn_dev = makedev(i,0); 454 cndev->cn_pri = CN_INTERNAL; 455 return; 456 } 457 return; 458 } 459 460 461 /* 462 * Init QDSS as console (before probe routine) 463 */ 464 void 465 qdcninit(cndev) 466 struct consdev *cndev; 467 { 468 caddr_t phys_adr; /* physical QDSS base adrs */ 469 u_int mapix; /* index into QVmap[] array */ 470 int unit; 471 472 /* qdaddr must point to CSR for this unit! */ 473 474 /* The console QDSS is QDSS unit 0 */ 475 unit = 0; 476 477 /* 478 * Map q-bus memory used by qdss. (separate map) 479 */ 480 mapix = QMEMSIZE - (CHUNK * (unit + 1)); 481 #define QMEM 0x30000000 482 (int)phys_adr = QMEM + mapix; 483 pmap_map((int)(qvmem[0]), (int)phys_adr, (int)(phys_adr + (CHUNK*NQD)), 484 VM_PROT_READ|VM_PROT_WRITE); 485 486 /* 487 * Set QVmap to point to page table entries for what we just 488 * mapped. 489 */ 490 QVmap[0] = (struct pte *)kvtopte(qvmem[0]); 491 492 /* 493 * tell QDSS which Q memory address base to decode 494 * (shifted right 16 bits - its in 64K units) 495 */ 496 *qdaddr = (u_short)((int)mapix >> 16); 497 qdflags[unit].config = *(u_short *)qdaddr; 498 499 /* 500 * load qdmap struct with the virtual addresses of the QDSS elements 501 */ 502 qdbase[unit] = (caddr_t) (qvmem[0]); 503 qdmap[unit].template = qdbase[unit] + TMPSTART; 504 qdmap[unit].adder = qdbase[unit] + ADDER; 505 qdmap[unit].dga = qdbase[unit] + DGA; 506 qdmap[unit].duart = qdbase[unit] + DUART; 507 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 508 qdmap[unit].red = qdbase[unit] + RED; 509 qdmap[unit].blue = qdbase[unit] + BLUE; 510 qdmap[unit].green = qdbase[unit] + GREEN; 511 512 qdflags[unit].duart_imask = 0; /* init shadow variables */ 513 514 /* 515 * init the QDSS 516 */ 517 518 *(short *)qdmap[unit].memcsr |= SYNC_ON; /* once only: turn on sync */ 519 520 cursor[unit].x = 0; 521 cursor[unit].y = 0; 522 init_shared(unit); /* init shared memory */ 523 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 524 clear_qd_screen(unit); /* clear the screen */ 525 ldfont(unit); /* load the console font */ 526 ldcursor(unit, cons_cursor); /* load default cursor map */ 527 setup_input(unit); /* init the DUART */ 528 529 /* Set flag so probe knows */ 530 qd0cninited = 1; 531 } /* qdcninit */ 532 533 /* see <sys/device.h> */ 534 struct cfattach qd_ca = { 535 sizeof(struct qd_softc), qd_match, qd_attach 536 }; 537 538 #define QD_RCSR(reg) \ 539 bus_space_read_2(sc->sc_iot, sc->sc_ioh, reg) 540 #define QD_WCSR(reg, val) \ 541 bus_space_write_2(sc->sc_iot, sc->sc_ioh, reg, val) 542 543 /* 544 * Configure QDSS into Q memory and make it intrpt. 545 * 546 * side effects: QDSS gets mapped into Qbus memory space at the first 547 * vacant 64kb boundary counting back from the top of 548 * Qbus memory space (qvmem+4mb) 549 * 550 * return: QDSS bus request level and vector address returned in 551 * registers by UNIX convention. 552 * 553 */ 554 static int 555 qd_match(parent, match, aux) 556 struct device *parent; 557 struct cfdata *match; 558 void *aux; 559 { 560 struct qd_softc ssc; 561 struct qd_softc *sc = &ssc; 562 struct uba_attach_args *ua = aux; 563 struct uba_softc *uh = (void *)parent; 564 int unit; 565 volatile struct dga *dga; /* pointer to gate array structure */ 566 int vector; 567 #ifdef notdef 568 int *ptep; /* page table entry pointer */ 569 caddr_t phys_adr; /* physical QDSS base adrs */ 570 u_int mapix; 571 #endif 572 573 /* Create a "fake" softc with only a few fields used. */ 574 sc->sc_iot = ua->ua_iot; 575 sc->sc_ioh = ua->ua_ioh; 576 sc->sc_dmat = ua->ua_dmat; 577 /* 578 * calculate board unit number from I/O page register address 579 */ 580 unit = (int) (((int)sc->sc_ioh >> 1) & 0x0007); 581 582 /* 583 * QDSS regs must be mapped to Qbus memory space at a 64kb 584 * physical boundary. The Qbus memory space is mapped into 585 * the system memory space at config time. After config 586 * runs, "qvmem[0]" (ubavar.h) holds the system virtual adrs 587 * of the start of Qbus memory. The Qbus memory page table 588 * is found via an array of pte ptrs called "QVmap[]" (ubavar.h) 589 * which is also loaded at config time. These are the 590 * variables used below to find a vacant 64kb boundary in 591 * Qbus memory, and load it's corresponding physical adrs 592 * into the QDSS's I/O page CSR. 593 */ 594 595 /* 596 * Only if QD is the graphics device. 597 */ 598 599 /* if this QDSS is NOT the console, then do init here.. */ 600 601 if (unit != 0) { 602 printf("qd: can't support two qdss's (yet)\n"); 603 #ifdef notdef /* can't test */ 604 if (v_consputc != qdputc || unit != 0) { 605 606 /* 607 * read QDSS config info 608 */ 609 qdflags[unit].config = *(u_short *)reg; 610 611 /* 612 * find an empty 64kb adrs boundary 613 */ 614 615 qdbase[unit] = (caddr_t) (qvmem[0] + QMEMSIZE - CHUNK); 616 617 /* 618 * find the cpusw entry that matches this machine. 619 */ 620 cpup = &cpusw[cpu]; 621 while (!(BADADDR(qdbase[unit], sizeof(short)))) 622 qdbase[unit] -= CHUNK; 623 624 /* 625 * tell QDSS which Q memory address base to decode 626 */ 627 mapix = (int) (VTOP(qdbase[unit]) - VTOP(qvmem[0])); 628 ptep = (int *) QVmap[0] + mapix; 629 phys_adr = (caddr_t)(((int)*ptep&0x001FFFFF)<<VAX_PGSHIFT); 630 *(u_short *)reg = (u_short) ((int)phys_adr >> 16); 631 632 /* 633 * load QDSS adrs map with system addresses 634 * of device regs 635 */ 636 qdmap[unit].template = qdbase[unit] + TMPSTART; 637 qdmap[unit].adder = qdbase[unit] + ADDER; 638 qdmap[unit].dga = qdbase[unit] + DGA; 639 qdmap[unit].duart = qdbase[unit] + DUART; 640 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 641 qdmap[unit].red = qdbase[unit] + RED; 642 qdmap[unit].blue = qdbase[unit] + BLUE; 643 qdmap[unit].green = qdbase[unit] + GREEN; 644 645 /* device init */ 646 647 cursor[unit].x = 0; 648 cursor[unit].y = 0; 649 init_shared(unit); /* init shared memory */ 650 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 651 ldcursor(unit, cons_cursor); /* load default cursor map */ 652 setup_input(unit); /* init the DUART */ 653 clear_qd_screen(unit); 654 ldfont(unit); /* load the console font */ 655 656 /* once only: turn on sync */ 657 658 *(short *)qdmap[unit].memcsr |= SYNC_ON; 659 } 660 #endif /*notdef*/ 661 } else { 662 /* We are dealing with qd0 */ 663 664 if (!qd0cninited) { 665 /* 666 * qd0 has not been initiallized as the console. 667 * We need to do some initialization now 668 * 669 * XXX 670 * However, if the QDSS is not the console then 671 * that stupid undocumented bit (see qdcnprobe) 672 * is cleared. Then the QDSS refuses to work. 673 * (What did the ROM do to it!?) 674 * XXX 675 */ 676 return 0; 677 678 #if 0 679 qdaddr = (void *)reg; 680 681 /* Lame probe for QDSS. Should be ok for qd0 */ 682 if (badaddr((caddr_t)qdaddr, sizeof(short))) 683 return 0; 684 685 qdcninit(NULL); 686 #endif 687 } 688 } 689 690 691 /* 692 * The QDSS interrupts at HEX vectors xx0 (DMA) xx4 693 * (ADDER) and xx8 (DUART). Therefore, we take three 694 * vectors from the vector pool, and then continue 695 * to take them until we get a xx0 HEX vector. The 696 * pool provides vectors in contiguous decending 697 * order. 698 */ 699 700 vector = (uh->uh_lastiv -= 4*3); /* take three vectors */ 701 702 while (vector & 0x0F) { /* if lo nibble != 0.. */ 703 /* ..take another vector */ 704 vector = (uh->uh_lastiv -= 4); 705 } 706 707 /* 708 * setup DGA to do a DMA interrupt (transfer count = 0) 709 */ 710 dga = (struct dga *) qdmap[unit].dga; 711 dga->csr = (short) HALT; /* disable everything */ 712 dga->ivr = (short) vector; /* load intrpt base vector */ 713 dga->bytcnt_lo = (short) 0; /* DMA xfer count = 0 */ 714 dga->bytcnt_hi = (short) 0; 715 716 /* 717 * turn on DMA interrupts 718 */ 719 dga->csr &= ~SET_DONE_FIFO; 720 dga->csr |= DMA_IE | DL_ENB; 721 722 DELAY(20000); /* wait for the intrpt */ 723 dga->csr = HALT; /* stop the wheels */ 724 725 /* 726 * score this as an existing qdss 727 */ 728 qdcount++; 729 730 return 1; 731 } /* qdprobe */ 732 733 734 void qd_attach(parent, self, aux) 735 struct device *parent, *self; 736 void *aux; 737 { 738 struct uba_attach_args *ua = aux; 739 int unit; /* QDSS module # for this call */ 740 741 printf("\n"); 742 743 unit = self->dv_unit; /* get QDSS number */ 744 745 /* Set interrupt vectors for interrupt handlers */ 746 747 uba_intr_establish(ua->ua_icookie, ua->ua_cvec , qddint, self); 748 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 4, qdaint, self); 749 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 8, qdiint, self); 750 751 /* 752 * init "qdflags[]" for this QDSS 753 */ 754 qdflags[unit].inuse = 0; /* init inuse variable EARLY! */ 755 qdflags[unit].mapped = 0; 756 qdflags[unit].kernel_loop = -1; 757 qdflags[unit].user_dma = 0; 758 qdflags[unit].curs_acc = ACC_OFF; 759 qdflags[unit].curs_thr = 128; 760 qdflags[unit].tab_res = 2; /* default tablet resolution factor */ 761 qdflags[unit].duart_imask = 0; /* init shadow variables */ 762 qdflags[unit].adder_ie = 0; 763 764 /* 765 * init structures used in kbd/mouse interrupt service. This code must 766 * come after the "init_shared()" routine has run since that routine 767 * inits the eq_header[unit] structure used here. 768 */ 769 770 /* 771 * init the "latest mouse report" structure 772 */ 773 last_rep[unit].state = 0; 774 last_rep[unit].dx = 0; 775 last_rep[unit].dy = 0; 776 last_rep[unit].bytcnt = 0; 777 778 /* 779 * init the event queue (except mouse position) 780 */ 781 eq_header[unit]->header.events = 782 (struct _vs_event *)((int)eq_header[unit] + sizeof(struct qdinput)); 783 784 eq_header[unit]->header.size = MAXEVENTS; 785 eq_header[unit]->header.head = 0; 786 eq_header[unit]->header.tail = 0; 787 788 /* 789 * open exclusive for graphics device. 790 */ 791 qdopened[unit] = 0; 792 793 } /* qdattach */ 794 795 796 /*ARGSUSED*/ 797 int 798 qdopen(dev, flag, mode, p) 799 dev_t dev; 800 int flag, mode; 801 struct proc *p; 802 { 803 volatile struct dga *dga; /* ptr to gate array struct */ 804 struct tty *tp; 805 volatile struct duart *duart; 806 int unit; 807 int minor_dev; 808 809 minor_dev = minor(dev); /* get QDSS minor device number */ 810 unit = minor_dev >> 2; 811 812 /* 813 * check for illegal conditions 814 */ 815 if (unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[unit] == NULL) 816 return (ENXIO); /* no such device or address */ 817 818 duart = (struct duart *) qdmap[unit].duart; 819 dga = (struct dga *) qdmap[unit].dga; 820 821 if ((minor_dev & 0x03) == 2) { 822 /* 823 * this is the graphic device... 824 */ 825 if (qdopened[unit] != 0) 826 return(EBUSY); 827 else 828 qdopened[unit] = 1; 829 qdflags[unit].inuse |= GRAPHIC_DEV; /* graphics dev is open */ 830 /* 831 * enble kbd & mouse intrpts in DUART mask reg 832 */ 833 qdflags[unit].duart_imask |= 0x22; 834 duart->imask = qdflags[unit].duart_imask; 835 } else { 836 /* Only one console */ 837 if (minor_dev) return ENXIO; 838 839 /* If not done already, allocate tty structure */ 840 if (qd_tty[minor_dev] == NULL) 841 qd_tty[minor_dev] = ttymalloc(); 842 843 if (qd_tty[minor_dev] == NULL) 844 return ENXIO; 845 846 /* 847 * this is the console 848 */ 849 qdflags[unit].inuse |= CONS_DEV; /* mark console as open */ 850 dga->csr |= CURS_ENB; 851 qdflags[unit].duart_imask |= 0x02; 852 duart->imask = qdflags[unit].duart_imask; 853 /* 854 * some setup for tty handling 855 */ 856 tp = qd_tty[minor_dev]; 857 /* tp->t_addr = ui->ui_addr; */ 858 tp->t_oproc = qdstart; 859 tp->t_dev = dev; 860 if ((tp->t_state & TS_ISOPEN) == 0) { 861 ttychars(tp); 862 tp->t_ispeed = B9600; 863 tp->t_ospeed = B9600; 864 tp->t_state = TS_ISOPEN | TS_CARR_ON; 865 tp->t_iflag = TTYDEF_IFLAG; 866 tp->t_oflag = TTYDEF_OFLAG; 867 tp->t_lflag = TTYDEF_LFLAG; 868 tp->t_cflag = TTYDEF_CFLAG; 869 ttsetwater(tp); 870 } 871 /* 872 * enable intrpts, open line discipline 873 */ 874 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 875 return ((*tp->t_linesw->l_open)(dev, tp)); 876 } 877 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 878 return(0); 879 880 } /* qdopen */ 881 882 /*ARGSUSED*/ 883 int 884 qdclose(dev, flag, mode, p) 885 dev_t dev; 886 int flag, mode; 887 struct proc *p; 888 { 889 struct tty *tp; 890 struct qdmap *qd; 891 volatile int *ptep; 892 volatile struct dga *dga; /* gate array register map pointer */ 893 volatile struct duart *duart; 894 volatile struct adder *adder; 895 int unit; 896 int minor_dev; 897 u_int mapix; 898 int i; /* SIGNED index */ 899 struct uba_softc *uh; 900 901 minor_dev = minor(dev); /* get minor device number */ 902 unit = minor_dev >> 2; /* get QDSS number */ 903 qd = &qdmap[unit]; 904 905 uh = (struct uba_softc *) 906 (((struct device *)(qd_cd.cd_devs[unit]))->dv_parent); 907 908 909 if ((minor_dev & 0x03) == 2) { 910 /* 911 * this is the graphic device... 912 */ 913 if (qdopened[unit] != 1) 914 return(EBUSY); 915 else 916 qdopened[unit] = 0; /* allow it to be re-opened */ 917 /* 918 * re-protect device memory 919 */ 920 if (qdflags[unit].mapped & MAPDEV) { 921 /* 922 * TEMPLATE RAM 923 */ 924 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 925 ptep = (int *)(QVmap[0] + mapix); 926 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 927 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 928 /* 929 * ADDER 930 */ 931 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 932 ptep = (int *)(QVmap[0] + mapix); 933 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 934 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 935 /* 936 * COLOR MAPS 937 */ 938 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 939 ptep = (int *)(QVmap[0] + mapix); 940 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 941 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 942 } 943 944 /* 945 * re-protect DMA buffer and free the map registers 946 */ 947 if (qdflags[unit].mapped & MAPDMA) { 948 panic("Unmapping unmapped buffer"); 949 #ifdef notyet 950 /* 951 * Ragge 990620: 952 * Can't happen because the buffer can't be mapped. 953 */ 954 dga = (struct dga *) qdmap[unit].dga; 955 adder = (struct adder *) qdmap[unit].adder; 956 dga->csr &= ~DMA_IE; 957 dga->csr &= ~0x0600; /* kill DMA */ 958 adder->command = CANCEL; 959 /* 960 * if DMA was running, flush spurious intrpt 961 */ 962 if (dga->bytcnt_lo != 0) { 963 dga->bytcnt_lo = 0; 964 dga->bytcnt_hi = 0; 965 DMA_SETIGNORE(DMAheader[unit]); 966 dga->csr |= DMA_IE; 967 dga->csr &= ~DMA_IE; 968 } 969 ptep = (int *) 970 ((VTOP(DMAheader[unit]*4)) + (mfpr(PR_SBR)|0x80000000)); 971 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 972 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 973 ubarelse(uh, &Qbus_unmap[unit]); 974 #endif 975 } 976 977 /* 978 * re-protect 1K (2 pages) event queue 979 */ 980 if (qdflags[unit].mapped & MAPEQ) { 981 ptep = (int *) 982 ((VTOP(eq_header[unit])*4) + (mfpr(PR_SBR)|0x80000000)); 983 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 984 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 985 } 986 /* 987 * re-protect scroll param area and disable scroll intrpts 988 */ 989 if (qdflags[unit].mapped & MAPSCR) { 990 ptep = (int *) ((VTOP(scroll[unit]) * 4) 991 + (mfpr(PR_SBR) | 0x80000000)); 992 /* 993 * re-protect 512 scroll param area 994 */ 995 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 996 adder = (struct adder *) qdmap[unit].adder; 997 qdflags[unit].adder_ie &= ~FRAME_SYNC; 998 adder->interrupt_enable = qdflags[unit].adder_ie; 999 } 1000 /* 1001 * re-protect color map write buffer area and kill intrpts 1002 */ 1003 if (qdflags[unit].mapped & MAPCOLOR) { 1004 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1005 + (mfpr(PR_SBR) | 0x80000000)); 1006 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1007 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1008 color_buf[unit]->status = 0; 1009 adder = (struct adder *) qdmap[unit].adder; 1010 qdflags[unit].adder_ie &= ~VSYNC; 1011 adder->interrupt_enable = qdflags[unit].adder_ie; 1012 } 1013 mtpr(0, PR_TBIA); 1014 /* flag everything now unmapped */ 1015 qdflags[unit].mapped = 0; 1016 qdflags[unit].inuse &= ~GRAPHIC_DEV; 1017 qdflags[unit].curs_acc = ACC_OFF; 1018 qdflags[unit].curs_thr = 128; 1019 /* 1020 * restore the console 1021 */ 1022 dga = (struct dga *) qdmap[unit].dga; 1023 adder = (struct adder *) qdmap[unit].adder; 1024 dga->csr &= ~DMA_IE; 1025 dga->csr &= ~0x0600; /* halt the DMA! (just in case...) */ 1026 dga->csr |= DMA_ERR; /* clear error condition */ 1027 adder->command = CANCEL; 1028 /* 1029 * if DMA was running, flush spurious intrpt 1030 */ 1031 if (dga->bytcnt_lo != 0) { 1032 dga->bytcnt_lo = 0; 1033 dga->bytcnt_hi = 0; 1034 DMA_SETIGNORE(DMAheader[unit]); 1035 dga->csr |= DMA_IE; 1036 dga->csr &= ~DMA_IE; 1037 } 1038 init_shared(unit); /* init shared memory */ 1039 setup_dragon(unit); /* init ADDER/VIPER */ 1040 ldcursor(unit, cons_cursor); /* load default cursor map */ 1041 setup_input(unit); /* init the DUART */ 1042 ldfont(unit); 1043 cursor[unit].x = 0; 1044 cursor[unit].y = 0; 1045 /* 1046 * shut off the mouse rcv intrpt and turn on kbd intrpts 1047 */ 1048 duart = (struct duart *) qdmap[unit].duart; 1049 qdflags[unit].duart_imask &= ~(0x20); 1050 qdflags[unit].duart_imask |= 0x02; 1051 duart->imask = qdflags[unit].duart_imask; 1052 /* 1053 * shut off interrupts if all is closed 1054 */ 1055 if (!(qdflags[unit].inuse & CONS_DEV)) { 1056 dga = (struct dga *) qdmap[unit].dga; 1057 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1058 } 1059 } else { 1060 /* 1061 * this is the console 1062 */ 1063 tp = qd_tty[minor_dev]; 1064 (*tp->t_linesw->l_close)(tp, flag); 1065 ttyclose(tp); 1066 tp->t_state = 0; 1067 qdflags[unit].inuse &= ~CONS_DEV; 1068 /* 1069 * if graphics device is closed, kill interrupts 1070 */ 1071 if (!(qdflags[unit].inuse & GRAPHIC_DEV)) { 1072 dga = (struct dga *) qdmap[unit].dga; 1073 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1074 } 1075 } 1076 1077 return(0); 1078 1079 } /* qdclose */ 1080 1081 int 1082 qdioctl(dev, cmd, datap, flags, p) 1083 dev_t dev; 1084 u_long cmd; 1085 caddr_t datap; 1086 int flags; 1087 struct proc *p; 1088 { 1089 volatile int *ptep; /* page table entry pointer */ 1090 int mapix; /* QVmap[] page table index */ 1091 struct _vs_event *event; 1092 struct tty *tp; 1093 int i; 1094 struct qdmap *qd; /* pointer to device map struct */ 1095 volatile struct dga *dga; /* Gate Array reg structure pntr */ 1096 volatile struct duart *duart; /* DUART reg structure pointer */ 1097 volatile struct adder *adder; /* ADDER reg structure pointer */ 1098 struct prgkbd *cmdbuf; 1099 struct prg_cursor *curs; 1100 struct _vs_cursor *pos; 1101 int unit = minor(dev) >> 2; /* number of caller's QDSS */ 1102 u_int minor_dev = minor(dev); 1103 int error; 1104 int s; 1105 short *temp; /* a pointer to template RAM */ 1106 struct uba_softc *uh; 1107 1108 uh = (struct uba_softc *) 1109 (((struct device *)(qd_cd.cd_devs[unit]))->dv_parent); 1110 1111 /* 1112 * service graphic device ioctl commands 1113 */ 1114 switch (cmd) { 1115 1116 case QD_GETEVENT: 1117 /* 1118 * extract the oldest event from the event queue 1119 */ 1120 if (ISEMPTY(eq_header[unit])) { 1121 event = (struct _vs_event *) datap; 1122 event->vse_device = VSE_NULL; 1123 break; 1124 } 1125 event = (struct _vs_event *) GETBEGIN(eq_header[unit]); 1126 s = spl5(); 1127 GETEND(eq_header[unit]); 1128 splx(s); 1129 bcopy((caddr_t)event, datap, sizeof(struct _vs_event)); 1130 break; 1131 1132 case QD_RESET: 1133 /* 1134 * init the dragon stuff, DUART, and driver variables 1135 */ 1136 init_shared(unit); /* init shared memory */ 1137 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 1138 clear_qd_screen(unit); 1139 ldcursor(unit, cons_cursor); /* load default cursor map */ 1140 ldfont(unit); /* load the console font */ 1141 setup_input(unit); /* init the DUART */ 1142 break; 1143 1144 case QD_SET: 1145 /* 1146 * init the DUART and driver variables 1147 */ 1148 init_shared(unit); 1149 setup_input(unit); 1150 break; 1151 1152 case QD_CLRSCRN: 1153 /* 1154 * clear the QDSS screen. (NOTE that this reinits the dragon) 1155 */ 1156 #ifdef notdef /* has caused problems and isn't necessary */ 1157 setup_dragon(unit); 1158 clear_qd_screen(unit); 1159 #endif 1160 break; 1161 1162 case QD_WTCURSOR: 1163 /* 1164 * load a cursor into template RAM 1165 */ 1166 ldcursor(unit, (short *)datap); 1167 break; 1168 1169 case QD_RDCURSOR: 1170 1171 temp = (short *) qdmap[unit].template; 1172 /* 1173 * cursor is 32 WORDS from the end of the 8k WORD... 1174 * ...template space 1175 */ 1176 temp += (8 * 1024) - 32; 1177 for (i = 0; i < 32; ++i, datap += sizeof(short)) 1178 *(short *)datap = *temp++; 1179 break; 1180 1181 case QD_POSCURSOR: 1182 /* 1183 * position the mouse cursor 1184 */ 1185 dga = (struct dga *) qdmap[unit].dga; 1186 pos = (struct _vs_cursor *) datap; 1187 s = spl5(); 1188 dga->x_cursor = TRANX(pos->x); 1189 dga->y_cursor = TRANY(pos->y); 1190 eq_header[unit]->curs_pos.x = pos->x; 1191 eq_header[unit]->curs_pos.y = pos->y; 1192 splx(s); 1193 break; 1194 1195 case QD_PRGCURSOR: 1196 /* 1197 * set the cursor acceleration factor 1198 */ 1199 curs = (struct prg_cursor *) datap; 1200 s = spl5(); 1201 qdflags[unit].curs_acc = curs->acc_factor; 1202 qdflags[unit].curs_thr = curs->threshold; 1203 splx(s); 1204 break; 1205 1206 case QD_MAPDEVICE: 1207 /* 1208 * enable 'user write' to device pages 1209 */ 1210 qdflags[unit].mapped |= MAPDEV; 1211 qd = (struct qdmap *) &qdmap[unit]; 1212 /* 1213 * enable user write to template RAM 1214 */ 1215 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 1216 ptep = (int *)(QVmap[0] + mapix); 1217 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 1218 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1219 1220 /* 1221 * enable user write to registers 1222 */ 1223 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 1224 ptep = (int *)(QVmap[0] + mapix); 1225 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 1226 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1227 1228 /* 1229 * enable user write to color maps 1230 */ 1231 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 1232 ptep = (int *)(QVmap[0] + mapix); 1233 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 1234 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1235 1236 /* 1237 * enable user write to DUART 1238 */ 1239 mapix = VTOP((int)qd->duart) - VTOP(qvmem[0]); 1240 ptep = (int *)(QVmap[0] + mapix); 1241 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; /* duart page */ 1242 1243 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1244 1245 /* 1246 * stuff qdmap structure in return buffer 1247 */ 1248 bcopy((caddr_t)qd, datap, sizeof(struct qdmap)); 1249 1250 break; 1251 1252 #ifdef notyet 1253 /* 1254 * Ragge 999620: 1255 * Can't map in the graphic buffer into user space for now. 1256 * The best way to fix this is to convert this driver to wscons. 1257 */ 1258 case QD_MAPIOBUF: 1259 /* 1260 * do setup for DMA by user process 1261 * 1262 * set 'user write enable' bits for DMA buffer 1263 */ 1264 qdflags[unit].mapped |= MAPDMA; 1265 ptep = (int *) ((VTOP(DMAheader[unit]) * 4) 1266 + (mfpr(PR_SBR) | 0x80000000)); 1267 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 1268 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1269 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1270 /* 1271 * set up QBUS map registers for DMA 1272 */ 1273 DMAheader[unit]->QBAreg = 1274 uballoc(uh, (caddr_t)DMAheader[unit], DMAbuf_size, 0); 1275 if (DMAheader[unit]->QBAreg == 0) 1276 printf("qd%d: qdioctl: QBA setup error\n", unit); 1277 Qbus_unmap[unit] = DMAheader[unit]->QBAreg; 1278 DMAheader[unit]->QBAreg &= 0x3FFFF; 1279 /* 1280 * return I/O buf adr 1281 */ 1282 *(int *)datap = (int) DMAheader[unit]; 1283 break; 1284 #endif 1285 1286 case QD_MAPSCROLL: 1287 /* 1288 * map the shared scroll param area and enable scroll interpts 1289 */ 1290 qdflags[unit].mapped |= MAPSCR; 1291 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1292 + (mfpr(PR_SBR) | 0x80000000)); 1293 /* 1294 * allow user write to scroll area 1295 */ 1296 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1297 mtpr(0, PR_TBIA); /* invalidate translation buf */ 1298 scroll[unit]->status = 0; 1299 adder = (struct adder *) qdmap[unit].adder; 1300 qdflags[unit].adder_ie |= FRAME_SYNC; 1301 adder->interrupt_enable = qdflags[unit].adder_ie; 1302 *(int *)datap = (int) scroll[unit]; /* return scroll area */ 1303 break; 1304 1305 case QD_UNMAPSCROLL: 1306 /* 1307 * unmap shared scroll param area and disable scroll intrpts 1308 */ 1309 if (qdflags[unit].mapped & MAPSCR) { 1310 qdflags[unit].mapped &= ~MAPSCR; 1311 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1312 + (mfpr(PR_SBR) | 0x80000000)); 1313 /* 1314 * re-protect 512 scroll param area 1315 */ 1316 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1317 mtpr(0, PR_TBIA); /* smash CPU's translation buf */ 1318 adder = (struct adder *) qdmap[unit].adder; 1319 qdflags[unit].adder_ie &= ~FRAME_SYNC; 1320 adder->interrupt_enable = qdflags[unit].adder_ie; 1321 } 1322 break; 1323 1324 case QD_MAPCOLOR: 1325 /* 1326 * map shared color map write buf and turn on vsync intrpt 1327 */ 1328 qdflags[unit].mapped |= MAPCOLOR; 1329 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1330 + (mfpr(PR_SBR) | 0x80000000)); 1331 /* 1332 * allow user write to color map write buffer 1333 */ 1334 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1335 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1336 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1337 adder = (struct adder *) qdmap[unit].adder; 1338 qdflags[unit].adder_ie |= VSYNC; 1339 adder->interrupt_enable = qdflags[unit].adder_ie; 1340 /* 1341 * return color area address 1342 */ 1343 *(int *)datap = (int) color_buf[unit]; 1344 break; 1345 1346 case QD_UNMAPCOLOR: 1347 /* 1348 * unmap shared color map write buffer and kill VSYNC intrpts 1349 */ 1350 if (qdflags[unit].mapped & MAPCOLOR) { 1351 qdflags[unit].mapped &= ~MAPCOLOR; 1352 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1353 + (mfpr(PR_SBR) | 0x80000000)); 1354 /* 1355 * re-protect color map write buffer 1356 */ 1357 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1358 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1359 mtpr(0, PR_TBIA); 1360 adder = (struct adder *) qdmap[unit].adder; 1361 qdflags[unit].adder_ie &= ~VSYNC; 1362 adder->interrupt_enable = qdflags[unit].adder_ie; 1363 } 1364 break; 1365 1366 case QD_MAPEVENT: 1367 /* 1368 * give user write access to the event queue 1369 */ 1370 qdflags[unit].mapped |= MAPEQ; 1371 ptep = (int *) ((VTOP(eq_header[unit]) * 4) 1372 + (mfpr(PR_SBR) | 0x80000000)); 1373 /* 1374 * allow user write to 1K event queue 1375 */ 1376 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1377 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1378 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1379 /* 1380 * return event queue address 1381 */ 1382 *(int *)datap = (int)eq_header[unit]; 1383 break; 1384 1385 case QD_PRGKBD: 1386 /* 1387 * pass caller's programming commands to LK201 1388 */ 1389 duart = (struct duart *)qdmap[unit].duart; 1390 cmdbuf = (struct prgkbd *)datap; /* pnt to kbd cmd buf */ 1391 /* 1392 * send command 1393 */ 1394 for (i = 1000; i > 0; --i) { 1395 if (duart->statusA&XMT_RDY) { 1396 duart->dataA = cmdbuf->cmd; 1397 break; 1398 } 1399 } 1400 if (i == 0) { 1401 printf("qd%d: qdioctl: timeout on XMT_RDY [1]\n", unit); 1402 break; 1403 } 1404 /* 1405 * send param1? 1406 */ 1407 if (cmdbuf->cmd & LAST_PARAM) 1408 break; 1409 for (i = 1000; i > 0; --i) { 1410 if (duart->statusA&XMT_RDY) { 1411 duart->dataA = cmdbuf->param1; 1412 break; 1413 } 1414 } 1415 if (i == 0) { 1416 printf("qd%d: qdioctl: timeout on XMT_RDY [2]\n", unit); 1417 break; 1418 } 1419 /* 1420 * send param2? 1421 */ 1422 if (cmdbuf->param1 & LAST_PARAM) 1423 break; 1424 for (i = 1000; i > 0; --i) { 1425 if (duart->statusA&XMT_RDY) { 1426 duart->dataA = cmdbuf->param2; 1427 break; 1428 } 1429 } 1430 if (i == 0) { 1431 printf("qd%d: qdioctl: timeout on XMT_RDY [3]\n", unit); 1432 break; 1433 } 1434 break; 1435 1436 case QD_PRGMOUSE: 1437 /* 1438 * pass caller's programming commands to the mouse 1439 */ 1440 duart = (struct duart *) qdmap[unit].duart; 1441 for (i = 1000; i > 0; --i) { 1442 if (duart->statusB&XMT_RDY) { 1443 duart->dataB = *datap; 1444 break; 1445 } 1446 } 1447 if (i == 0) { 1448 printf("qd%d: qdioctl: timeout on XMT_RDY [4]\n", unit); 1449 } 1450 break; 1451 1452 case QD_RDCONFIG: 1453 /* 1454 * get QDSS configuration word and return it 1455 */ 1456 *(short *)datap = qdflags[unit].config; 1457 break; 1458 1459 case QD_KERN_LOOP: 1460 case QD_KERN_UNLOOP: 1461 /* 1462 * vestige from ultrix. BSD uses TIOCCONS to redirect 1463 * kernel console output. 1464 */ 1465 break; 1466 1467 case QD_PRGTABLET: 1468 /* 1469 * program the tablet 1470 */ 1471 duart = (struct duart *) qdmap[unit].duart; 1472 for (i = 1000; i > 0; --i) { 1473 if (duart->statusB&XMT_RDY) { 1474 duart->dataB = *datap; 1475 break; 1476 } 1477 } 1478 if (i == 0) { 1479 printf("qd%d: qdioctl: timeout on XMT_RDY [5]\n", unit); 1480 } 1481 break; 1482 1483 case QD_PRGTABRES: 1484 /* 1485 * program the tablet report resolution factor 1486 */ 1487 qdflags[unit].tab_res = *(short *)datap; 1488 break; 1489 1490 default: 1491 /* 1492 * service tty ioctl's 1493 */ 1494 if (!(minor_dev & 0x02)) { 1495 tp = qd_tty[minor_dev]; 1496 error = 1497 1498 (*tp->t_linesw->l_ioctl)(tp, cmd, datap, flags, p); 1499 if (error >= 0) { 1500 return(error); 1501 } 1502 error = ttioctl(tp, cmd, datap, flags, p); 1503 if (error >= 0) { 1504 return(error); 1505 } 1506 } 1507 break; 1508 } 1509 1510 return(0); 1511 1512 } /* qdioctl */ 1513 1514 1515 int 1516 qdpoll(dev, events, p) 1517 dev_t dev; 1518 int events; 1519 struct proc *p; 1520 { 1521 int s; 1522 int unit; 1523 struct tty *tp; 1524 u_int minor_dev = minor(dev); 1525 int revents = 0; 1526 1527 s = spl5(); 1528 unit = minor_dev >> 2; 1529 1530 if ((minor_dev & 0x03) == 2) { 1531 /* 1532 * This is a graphics device, so check for events. 1533 */ 1534 1535 if (events & (POLLIN | POLLRDNORM)) 1536 if(!(ISEMPTY(eq_header[unit]))) 1537 revents |= events & (POLLIN | POLLRDNORM); 1538 1539 if (events & (POLLOUT | POLLWRNORM)) 1540 if (DMA_ISEMPTY(DMAheader[unit])) 1541 revents |= events & (POLLOUT | POLLWRNORM); 1542 1543 if (revents == 0) { 1544 if (events & (POLLIN | POLLRDNORM)) { 1545 selrecord(p, &qdrsel[unit]); 1546 qdflags[unit].selmask |= SEL_READ; 1547 } 1548 1549 if (events & (POLLOUT | POLLWRNORM)) { 1550 selrecord(p, &qdrsel[unit]); 1551 qdflags[unit].selmask |= SEL_WRITE; 1552 } 1553 } 1554 } else { 1555 /* 1556 * this is a tty device 1557 */ 1558 tp = qd_tty[minor_dev]; 1559 revents = (*tp->t_linesw->l_poll)(tp, events, p); 1560 } 1561 1562 splx(s); 1563 return (revents); 1564 } /* qdpoll() */ 1565 1566 1567 void qd_strategy(struct buf *bp); 1568 1569 /*ARGSUSED*/ 1570 int 1571 qdwrite(dev, uio, flag) 1572 dev_t dev; 1573 struct uio *uio; 1574 { 1575 struct tty *tp; 1576 int minor_dev; 1577 int unit; 1578 1579 minor_dev = minor(dev); 1580 unit = (minor_dev >> 2) & 0x07; 1581 1582 if (((minor_dev&0x03) != 0x02) && (qdflags[unit].inuse&CONS_DEV)) { 1583 /* 1584 * this is the console... 1585 */ 1586 tp = qd_tty[minor_dev]; 1587 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 1588 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1589 /* 1590 * this is a DMA xfer from user space 1591 */ 1592 return (physio(qd_strategy, &qdbuf[unit], 1593 dev, B_WRITE, minphys, uio)); 1594 } 1595 return (ENXIO); 1596 } 1597 1598 /*ARGSUSED*/ 1599 int 1600 qdread(dev, uio, flag) 1601 dev_t dev; 1602 struct uio *uio; 1603 { 1604 struct tty *tp; 1605 int minor_dev; 1606 int unit; 1607 1608 minor_dev = minor(dev); 1609 unit = (minor_dev >> 2) & 0x07; 1610 1611 if ((minor_dev & 0x03) != 0x02 && qdflags[unit].inuse & CONS_DEV) { 1612 /* 1613 * this is the console 1614 */ 1615 tp = qd_tty[minor_dev]; 1616 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 1617 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1618 /* 1619 * this is a bitmap-to-processor xfer 1620 */ 1621 return (physio(qd_strategy, &qdbuf[unit], 1622 dev, B_READ, minphys, uio)); 1623 } 1624 return (ENXIO); 1625 } 1626 1627 /*************************************************************** 1628 * 1629 * qd_strategy()... strategy routine to do DMA 1630 * 1631 ***************************************************************/ 1632 1633 void 1634 qd_strategy(bp) 1635 struct buf *bp; 1636 { 1637 volatile struct dga *dga; 1638 volatile struct adder *adder; 1639 int unit; 1640 int QBAreg; 1641 int s; 1642 int cookie; 1643 struct uba_softc *uh; 1644 1645 unit = (minor(bp->b_dev) >> 2) & 0x07; 1646 1647 uh = (struct uba_softc *) 1648 (((struct device *)(qd_cd.cd_devs[unit]))->dv_parent); 1649 1650 /* 1651 * init pointers 1652 */ 1653 dga = (struct dga *) qdmap[unit].dga; 1654 panic("qd_strategy"); 1655 #ifdef notyet 1656 if ((QBAreg = ubasetup(uh, bp, 0)) == 0) { 1657 printf("qd%d: qd_strategy: QBA setup error\n", unit); 1658 goto STRAT_ERR; 1659 } 1660 #endif 1661 s = spl5(); 1662 qdflags[unit].user_dma = -1; 1663 dga->csr |= DMA_IE; 1664 cookie = QBAreg & 0x3FFFF; 1665 dga->adrs_lo = (short) cookie; 1666 dga->adrs_hi = (short) (cookie >> 16); 1667 dga->bytcnt_lo = (short) bp->b_bcount; 1668 dga->bytcnt_hi = (short) (bp->b_bcount >> 16); 1669 1670 while (qdflags[unit].user_dma) { 1671 (void) tsleep(&qdflags[unit].user_dma, QSPRIOR, 1672 "qdstrat", 0); 1673 } 1674 splx(s); 1675 #ifdef notyet 1676 ubarelse(uh, &QBAreg); 1677 #endif 1678 if (!(dga->csr & DMA_ERR)) { 1679 biodone(bp); 1680 return; 1681 } 1682 1683 /* STRAT_ERR: */ 1684 adder = (struct adder *) qdmap[unit].adder; 1685 adder->command = CANCEL; /* cancel adder activity */ 1686 dga->csr &= ~DMA_IE; 1687 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 1688 dga->csr |= DMA_ERR; /* clear error condition */ 1689 bp->b_flags |= B_ERROR; /* flag an error to physio() */ 1690 1691 /* 1692 * if DMA was running, flush spurious intrpt 1693 */ 1694 if (dga->bytcnt_lo != 0) { 1695 dga->bytcnt_lo = 0; 1696 dga->bytcnt_hi = 0; 1697 DMA_SETIGNORE(DMAheader[unit]); 1698 dga->csr |= DMA_IE; 1699 } 1700 biodone(bp); 1701 } /* qd_strategy */ 1702 1703 1704 /* 1705 * Start output to the console screen 1706 */ 1707 void qdstart(tp) 1708 struct tty *tp; 1709 { 1710 int which_unit, unit, c; 1711 int s; 1712 1713 unit = minor(tp->t_dev); 1714 which_unit = (unit >> 2) & 0x3; 1715 unit &= 0x03; 1716 1717 s = spl5(); 1718 1719 /* 1720 * If it's currently active, or delaying, no need to do anything. 1721 */ 1722 if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) 1723 goto out; 1724 1725 /* 1726 * Display chars until the queue is empty. 1727 * Drop input from anything but the console 1728 * device on the floor. 1729 * 1730 * XXX - this loop is done at spltty. 1731 * 1732 */ 1733 while (tp->t_outq.c_cc) { 1734 c = getc(&tp->t_outq); 1735 if (unit == 0) 1736 blitc(which_unit, (u_char)c); 1737 } 1738 /* 1739 * If there are sleepers, and output has drained below low 1740 * water mark, wake up the sleepers. 1741 */ 1742 if (tp->t_outq.c_cc <= tp->t_lowat) { 1743 if (tp->t_state & TS_ASLEEP){ 1744 tp->t_state &= ~TS_ASLEEP; 1745 wakeup((caddr_t) &tp->t_outq); 1746 } 1747 } 1748 1749 tp->t_state &= ~TS_BUSY; 1750 1751 out: 1752 splx(s); 1753 1754 } /* qdstart */ 1755 1756 /*ARGSUSED*/ 1757 void 1758 qdstop(tp, flag) 1759 struct tty *tp; 1760 int flag; 1761 { 1762 int s; 1763 1764 s = spl5(); /* block intrpts during state modification */ 1765 if (tp->t_state & TS_BUSY) { 1766 if ((tp->t_state & TS_TTSTOP) == 0) 1767 tp->t_state |= TS_FLUSH; 1768 else 1769 tp->t_state &= ~TS_BUSY; 1770 } 1771 splx(s); 1772 } 1773 1774 /* 1775 * Output a character to the QDSS screen 1776 */ 1777 void 1778 blitc(unit, chr) 1779 int unit; 1780 u_char chr; 1781 { 1782 volatile struct adder *adder; 1783 volatile struct dga *dga; 1784 int i; 1785 int nograph = !(qdflags[unit].inuse&GRAPHIC_DEV); 1786 static short inescape[NQD]; 1787 1788 adder = (struct adder *)qdmap[unit].adder; 1789 dga = (struct dga *) qdmap[unit].dga; 1790 /* 1791 * BSD comment: this (&=0177) defeats the extended character 1792 * set code for the glass tty, but if i had the time i would 1793 * spend it ripping out the code completely. This driver 1794 * is too big for its own good. 1795 */ 1796 chr &= 0177; 1797 /* 1798 * Cursor addressing (so vi will work). 1799 * Decode for "\E=%.%." cursor motion description. 1800 * Corresponds to type "qdcons" in /etc/termcap: 1801 * 1802 * qd|qdss|qdcons|qdss glass tty (4.4 BSD):\ 1803 * :am:do=^J:le=^H:bs:cm=\E=%.%.:cl=1^Z:co#128:li#57::nd=^L:up=^K: 1804 * 1805 */ 1806 if (inescape[unit] && nograph) { 1807 switch (inescape[unit]++) { 1808 case 1: 1809 if (chr != '=') { 1810 /* abort escape sequence */ 1811 inescape[unit] = 0; 1812 blitc(unit, chr); 1813 } 1814 return; 1815 case 2: 1816 /* position row */ 1817 cursor[unit].y = CHAR_HEIGHT * chr; 1818 if (cursor[unit].y > 863 - CHAR_HEIGHT) 1819 cursor[unit].y = 863 - CHAR_HEIGHT; 1820 dga->y_cursor = TRANY(cursor[unit].y); 1821 return; 1822 case 3: 1823 /* position column */ 1824 cursor[unit].x = CHAR_WIDTH * chr; 1825 if (cursor[unit].x > 1024 - CHAR_WIDTH) 1826 cursor[unit].x = 1023 - CHAR_WIDTH; 1827 dga->x_cursor = TRANX(cursor[unit].x); 1828 inescape[unit] = 0; 1829 return; 1830 default: 1831 inescape[unit] = 0; 1832 blitc(unit, chr); 1833 } 1834 } 1835 1836 switch (chr) { 1837 case '\r': /* return char */ 1838 cursor[unit].x = 0; 1839 if (nograph) 1840 dga->x_cursor = TRANX(cursor[unit].x); 1841 return; 1842 1843 case '\t': /* tab char */ 1844 for (i = 8 - ((cursor[unit].x >> 3) & 0x07); i > 0; --i) { 1845 blitc(unit, ' '); 1846 } 1847 return; 1848 1849 case '\n': /* line feed char */ 1850 if ((cursor[unit].y += CHAR_HEIGHT) > (863 - CHAR_HEIGHT)) { 1851 if (nograph) { 1852 cursor[unit].y -= CHAR_HEIGHT; 1853 scroll_up(adder); 1854 } else 1855 cursor[unit].y = 0; 1856 } 1857 if (nograph) 1858 dga->y_cursor = TRANY(cursor[unit].y); 1859 return; 1860 1861 case '\b': /* backspace char */ 1862 if (cursor[unit].x > 0) { 1863 cursor[unit].x -= CHAR_WIDTH; 1864 if (nograph) 1865 dga->x_cursor = TRANX(cursor[unit].x); 1866 } 1867 return; 1868 case CTRL('k'): /* cursor up */ 1869 if (nograph && cursor[unit].y > 0) { 1870 cursor[unit].y -= CHAR_HEIGHT; 1871 dga->y_cursor = TRANY(cursor[unit].y); 1872 } 1873 return; 1874 1875 case CTRL('^'): /* home cursor */ 1876 if (nograph) { 1877 cursor[unit].x = 0; 1878 dga->x_cursor = TRANX(cursor[unit].x); 1879 cursor[unit].y = 0; 1880 dga->y_cursor = TRANY(cursor[unit].y); 1881 } 1882 return; 1883 1884 case CTRL('l'): /* cursor right */ 1885 if (nograph && cursor[unit].x < 1023 - CHAR_WIDTH) { 1886 cursor[unit].x += CHAR_WIDTH; 1887 dga->x_cursor = TRANX(cursor[unit].x); 1888 } 1889 return; 1890 1891 case CTRL('z'): /* clear screen */ 1892 if (nograph) { 1893 setup_dragon(unit); 1894 clear_qd_screen(unit); 1895 /* home cursor - termcap seems to assume this */ 1896 cursor[unit].x = 0; 1897 dga->x_cursor = TRANX(cursor[unit].x); 1898 cursor[unit].y = 0; 1899 dga->y_cursor = TRANY(cursor[unit].y); 1900 } 1901 return; 1902 1903 case '\033': /* start escape sequence */ 1904 if (nograph) 1905 inescape[unit] = 1; 1906 return; 1907 1908 default: 1909 if ((chr < ' ') || (chr > '~')) 1910 return; 1911 } 1912 /* 1913 * setup VIPER operand control registers 1914 */ 1915 write_ID(adder, CS_UPDATE_MASK, 0x0001); /* select plane #0 */ 1916 write_ID(adder, SRC1_OCR_B, 1917 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 1918 write_ID(adder, CS_UPDATE_MASK, 0x00FE); /* select other planes */ 1919 write_ID(adder, SRC1_OCR_B, 1920 EXT_SOURCE | INT_NONE | NO_ID | BAR_SHIFT_DELAY); 1921 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 1922 write_ID(adder, DST_OCR_B, 1923 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 1924 write_ID(adder, MASK_1, 0xFFFF); 1925 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 1); 1926 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 1927 adder->x_clip_min = 0; 1928 adder->x_clip_max = 1024; 1929 adder->y_clip_min = 0; 1930 adder->y_clip_max = 864; 1931 /* 1932 * load DESTINATION origin and vectors 1933 */ 1934 adder->fast_dest_dy = 0; 1935 adder->slow_dest_dx = 0; 1936 adder->error_1 = 0; 1937 adder->error_2 = 0; 1938 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 1939 (void)wait_status(adder, RASTEROP_COMPLETE); 1940 adder->destination_x = cursor[unit].x; 1941 adder->fast_dest_dx = CHAR_WIDTH; 1942 adder->destination_y = cursor[unit].y; 1943 adder->slow_dest_dy = CHAR_HEIGHT; 1944 /* 1945 * load SOURCE origin and vectors 1946 */ 1947 if ((chr - ' ') > (CHARS - 1)) { 1948 printf("Invalid character (x)%x in blitc\n",chr); 1949 chr = ' '; 1950 } 1951 /* 1952 * X position is modulo the number of characters per line 1953 */ 1954 adder->source_1_x = FONT_X + 1955 (((chr - ' ') % (MAX_SCREEN_X/CHAR_WIDTH)) * CHAR_WIDTH); 1956 /* 1957 * Point to either first or second row 1958 */ 1959 adder->source_1_y = 2048 - 15 * 1960 (((chr - ' ')/(MAX_SCREEN_X/CHAR_WIDTH)) + 1); 1961 adder->source_1_dx = CHAR_WIDTH; 1962 adder->source_1_dy = CHAR_HEIGHT; 1963 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 1964 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 1965 /* 1966 * update console cursor coordinates 1967 */ 1968 cursor[unit].x += CHAR_WIDTH; 1969 if (nograph) 1970 dga->x_cursor = TRANX(cursor[unit].x); 1971 if (cursor[unit].x > (1024 - CHAR_WIDTH)) { 1972 blitc(unit, '\r'); 1973 blitc(unit, '\n'); 1974 } 1975 1976 } /* blitc */ 1977 1978 /* 1979 * INTERRUPT SERVICE ROUTINES 1980 */ 1981 1982 /* 1983 * Service "DMA DONE" interrupt condition 1984 */ 1985 1986 static void 1987 qddint(arg) 1988 void *arg; 1989 { 1990 struct device *dv = arg; 1991 struct DMAreq_header *header; 1992 struct DMAreq *request; 1993 volatile struct dga *dga; 1994 volatile struct adder *adder; 1995 int cookie; /* DMA adrs for QDSS */ 1996 1997 (void)spl4(); /* allow interval timer in */ 1998 1999 /* 2000 * init pointers 2001 */ 2002 header = DMAheader[dv->dv_unit]; /* register for optimization */ 2003 dga = (struct dga *) qdmap[dv->dv_unit].dga; 2004 adder = (struct adder *) qdmap[dv->dv_unit].adder; 2005 2006 /* 2007 * if this interrupt flagged as bogus for interrupt flushing purposes.. 2008 */ 2009 if (DMA_ISIGNORE(header)) { 2010 DMA_CLRIGNORE(header); 2011 return; 2012 } 2013 2014 /* 2015 * dump a DMA hardware error message if appropriate 2016 */ 2017 if (dga->csr & DMA_ERR) { 2018 2019 if (dga->csr & PARITY_ERR) 2020 printf("qd%d: qddint: DMA hardware parity fault.\n", dv->dv_unit); 2021 2022 if (dga->csr & BUS_ERR) 2023 printf("qd%d: qddint: DMA hardware bus error.\n", dv->dv_unit); 2024 } 2025 2026 /* 2027 * if this was a DMA from user space... 2028 */ 2029 if (qdflags[dv->dv_unit].user_dma) { 2030 qdflags[dv->dv_unit].user_dma = 0; 2031 wakeup((caddr_t)&qdflags[dv->dv_unit].user_dma); 2032 return; 2033 } 2034 2035 /* 2036 * if we're doing DMA request queue services, field the error condition 2037 */ 2038 if (dga->csr & DMA_ERR) { 2039 2040 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2041 dga->csr |= DMA_ERR; /* clear error condition */ 2042 adder->command = CANCEL; /* cancel adder activity */ 2043 2044 DMA_SETERROR(header); /* flag error in header status word */ 2045 DMA_CLRACTIVE(header); 2046 header->DMAreq[header->oldest].DMAdone |= HARD_ERROR; 2047 header->newest = header->oldest; 2048 header->used = 0; 2049 2050 if (qdrsel[dv->dv_unit].si_pid && qdflags[dv->dv_unit].selmask & SEL_WRITE) { 2051 selwakeup(&qdrsel[dv->dv_unit]); 2052 qdrsel[dv->dv_unit].si_pid = 0; 2053 qdflags[dv->dv_unit].selmask &= ~SEL_WRITE; 2054 } 2055 2056 if (dga->bytcnt_lo != 0) { 2057 dga->bytcnt_lo = 0; 2058 dga->bytcnt_hi = 0; 2059 DMA_SETIGNORE(header); 2060 } 2061 return; 2062 } 2063 2064 /* 2065 * if the DMA request queue is now becoming non-full, 2066 * wakeup "select" client. 2067 */ 2068 if (DMA_ISFULL(header)) { 2069 if (qdrsel[dv->dv_unit].si_pid && qdflags[dv->dv_unit].selmask & SEL_WRITE) { 2070 selwakeup(&qdrsel[dv->dv_unit]); 2071 qdrsel[dv->dv_unit].si_pid = 0; 2072 qdflags[dv->dv_unit].selmask &= ~SEL_WRITE; 2073 } 2074 } 2075 2076 header->DMAreq[header->oldest].DMAdone |= REQUEST_DONE; 2077 QDlast_DMAtype = header->DMAreq[header->oldest].DMAtype; 2078 2079 /* check for unexpected interrupt */ 2080 if (DMA_ISEMPTY(header)) 2081 return; 2082 2083 DMA_GETEND(header); /* update request queue indices */ 2084 2085 /* 2086 * if no more DMA pending, wake up "select" client and exit 2087 */ 2088 if (DMA_ISEMPTY(header)) { 2089 if (qdrsel[dv->dv_unit].si_pid && qdflags[dv->dv_unit].selmask & SEL_WRITE) { 2090 selwakeup(&qdrsel[dv->dv_unit]); 2091 qdrsel[dv->dv_unit].si_pid = 0; 2092 qdflags[dv->dv_unit].selmask &= ~SEL_WRITE; 2093 } 2094 DMA_CLRACTIVE(header); /* flag DMA done */ 2095 return; 2096 } 2097 2098 /* 2099 * initiate next DMA xfer 2100 */ 2101 request = DMA_GETBEGIN(header); 2102 if (request->DMAtype != QDlast_DMAtype) { 2103 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2104 adder->command = CANCEL; /* cancel adder activity */ 2105 } 2106 2107 2108 switch (request->DMAtype) { 2109 2110 case DISPLIST: 2111 if (request->DMAtype != QDlast_DMAtype) { 2112 dga->csr |= DL_ENB; 2113 dga->csr &= ~(BTOP_ENB | BYTE_DMA); 2114 } 2115 break; 2116 2117 case PTOB: 2118 if (request->DMAtype != QDlast_DMAtype) { 2119 if (request->DMAdone & BYTE_PACK) 2120 dga->csr |= (PTOB_ENB | BYTE_DMA); 2121 else { 2122 dga->csr |= PTOB_ENB; 2123 dga->csr &= ~BYTE_DMA; 2124 } 2125 } 2126 break; 2127 2128 case BTOP: 2129 if (request->DMAtype != QDlast_DMAtype) { 2130 if (request->DMAdone & BYTE_PACK) { 2131 dga->csr &= ~DL_ENB; 2132 dga->csr |= (BTOP_ENB | BYTE_DMA); 2133 } 2134 else { 2135 dga->csr |= BTOP_ENB; 2136 dga->csr &= ~(BYTE_DMA | DL_ENB); 2137 } 2138 } 2139 break; 2140 default: 2141 printf("qd%d: qddint: illegal DMAtype parameter.\n", dv->dv_unit); 2142 DMA_CLRACTIVE(header); /* flag DMA done */ 2143 return; 2144 } 2145 2146 if (request->DMAdone & COUNT_ZERO) { 2147 dga->csr &= ~SET_DONE_FIFO; 2148 } 2149 else if (request->DMAdone & FIFO_EMPTY) { 2150 dga->csr |= SET_DONE_FIFO; 2151 } 2152 2153 if (request->DMAdone & WORD_PACK) 2154 dga->csr &= ~BYTE_DMA; 2155 else if (request->DMAdone & BYTE_PACK) 2156 dga->csr |= BYTE_DMA; 2157 2158 dga->csr |= DMA_IE; 2159 QDlast_DMAtype = request->DMAtype; 2160 2161 cookie = ((int)request->bufp - (int)header) + (int)header->QBAreg; 2162 2163 dga->adrs_lo = (short) cookie; 2164 dga->adrs_hi = (short) (cookie >> 16); 2165 2166 dga->bytcnt_lo = (short) request->length; 2167 dga->bytcnt_hi = (short) (request->length >> 16); 2168 2169 return; 2170 } 2171 2172 /* 2173 * ADDER interrupt service routine 2174 */ 2175 static void 2176 qdaint(arg) 2177 void *arg; 2178 { 2179 struct device *dv = arg; 2180 volatile struct adder *adder; 2181 struct color_buf *cbuf; 2182 int i; 2183 struct rgb *rgbp; 2184 volatile short *red; 2185 volatile short *green; 2186 volatile short *blue; 2187 2188 (void)spl4(); /* allow interval timer in */ 2189 2190 adder = (struct adder *) qdmap[dv->dv_unit].adder; 2191 2192 /* 2193 * service the vertical blank interrupt (VSYNC bit) by loading 2194 * any pending color map load request 2195 */ 2196 if (adder->status & VSYNC) { 2197 adder->status &= ~VSYNC; /* clear the interrupt */ 2198 cbuf = color_buf[dv->dv_unit]; 2199 if (cbuf->status & LOAD_COLOR_MAP) { 2200 2201 red = (short *) qdmap[dv->dv_unit].red; 2202 green = (short *) qdmap[dv->dv_unit].green; 2203 blue = (short *) qdmap[dv->dv_unit].blue; 2204 2205 for (i = cbuf->count, rgbp = cbuf->rgb; 2206 --i >= 0; rgbp++) { 2207 red[rgbp->offset] = (short) rgbp->red; 2208 green[rgbp->offset] = (short) rgbp->green; 2209 blue[rgbp->offset] = (short) rgbp->blue; 2210 } 2211 2212 cbuf->status &= ~LOAD_COLOR_MAP; 2213 } 2214 } 2215 2216 /* 2217 * service the scroll interrupt (FRAME_SYNC bit) 2218 */ 2219 if (adder->status & FRAME_SYNC) { 2220 adder->status &= ~FRAME_SYNC; /* clear the interrupt */ 2221 2222 if (scroll[dv->dv_unit]->status & LOAD_REGS) { 2223 2224 for (i = 1000, adder->status = 0; i > 0 && 2225 !(adder->status&ID_SCROLL_READY); --i) 2226 ; 2227 2228 if (i == 0) { 2229 printf("qd%d: qdaint: timeout on ID_SCROLL_READY\n", 2230 qd); 2231 return; 2232 } 2233 2234 adder->ID_scroll_data = scroll[dv->dv_unit]->viper_constant; 2235 adder->ID_scroll_command = ID_LOAD | SCROLL_CONSTANT; 2236 2237 adder->y_scroll_constant = 2238 scroll[dv->dv_unit]->y_scroll_constant; 2239 adder->y_offset_pending = scroll[dv->dv_unit]->y_offset; 2240 2241 if (scroll[dv->dv_unit]->status & LOAD_INDEX) { 2242 2243 adder->x_index_pending = 2244 scroll[dv->dv_unit]->x_index_pending; 2245 adder->y_index_pending = 2246 scroll[dv->dv_unit]->y_index_pending; 2247 } 2248 2249 scroll[dv->dv_unit]->status = 0x00; 2250 } 2251 } 2252 } 2253 2254 /* 2255 * DUART input interrupt service routine 2256 * 2257 * XXX - this routine should be broken out - it is essentially 2258 * straight line code. 2259 */ 2260 2261 static void 2262 qdiint(arg) 2263 void *arg; 2264 { 2265 struct device *dv = arg; 2266 struct _vs_event *event; 2267 struct qdinput *eqh; 2268 volatile struct dga *dga; 2269 volatile struct duart *duart; 2270 struct mouse_report *new_rep; 2271 struct tty *tp; 2272 u_short chr; 2273 u_short status; 2274 u_short data; 2275 u_short key; 2276 char do_wakeup = 0; /* flag to do a select wakeup call */ 2277 char a, b, c; /* mouse button test variables */ 2278 2279 (void)spl4(); /* allow interval timer in */ 2280 2281 eqh = eq_header[dv->dv_unit]; /* optimized as a register */ 2282 new_rep = ¤t_rep[dv->dv_unit]; 2283 duart = (struct duart *) qdmap[dv->dv_unit].duart; 2284 2285 /* 2286 * if the graphic device is turned on.. 2287 */ 2288 if (qdflags[dv->dv_unit].inuse & GRAPHIC_DEV) { 2289 /* 2290 * empty DUART 2291 */ 2292 while (duart->statusA&RCV_RDY || duart->statusB&RCV_RDY) { 2293 /* 2294 * pick up LK-201 input (if any) 2295 */ 2296 if (duart->statusA&RCV_RDY) { 2297 2298 /* if error condition, then reset it */ 2299 2300 if (duart->statusA&0x70) { 2301 duart->cmdA = 0x40; 2302 continue; 2303 } 2304 2305 /* event queue full now? (overflow condition) */ 2306 2307 if (ISFULL(eqh) == TRUE) { 2308 printf( 2309 "qd%d: qdiint: event queue overflow\n", 2310 qd); 2311 break; 2312 } 2313 2314 /* 2315 * Check for various keyboard errors */ 2316 2317 key = duart->dataA & 0xFF; 2318 2319 if (key==LK_POWER_ERROR || 2320 key==LK_KDOWN_ERROR || 2321 key == LK_INPUT_ERROR || 2322 key == LK_OUTPUT_ERROR) { 2323 printf( 2324 "qd%d: qdiint: keyboard error, code = %x\n", 2325 qd,key); 2326 return; 2327 } 2328 2329 if (key < LK_LOWEST) 2330 return; 2331 2332 ++do_wakeup; /* request a select wakeup call */ 2333 2334 event = PUTBEGIN(eqh); 2335 PUTEND(eqh); 2336 2337 event->vse_key = key; 2338 event->vse_key &= 0x00FF; 2339 event->vse_x = eqh->curs_pos.x; 2340 event->vse_y = eqh->curs_pos.y; 2341 event->vse_time = TOY; 2342 event->vse_type = VSE_BUTTON; 2343 event->vse_direction = VSE_KBTRAW; 2344 event->vse_device = VSE_DKB; 2345 } 2346 2347 /* 2348 * pick up the mouse input (if any) */ 2349 2350 if ((status = duart->statusB) & RCV_RDY && 2351 qdflags[dv->dv_unit].pntr_id == MOUSE_ID) { 2352 2353 if (status & 0x70) { 2354 duart->cmdB = 0x40; 2355 continue; 2356 } 2357 2358 /* event queue full now? (overflow condition) */ 2359 2360 if (ISFULL(eqh) == TRUE) { 2361 printf( 2362 "qd%d: qdiint: event queue overflow\n", 2363 qd); 2364 break; 2365 } 2366 2367 data = duart->dataB; /* get report byte */ 2368 ++new_rep->bytcnt; /* bump report byte count */ 2369 2370 /* 2371 * if 1st byte of report.. */ 2372 2373 if ( data & START_FRAME) { 2374 new_rep->state = data; 2375 if (new_rep->bytcnt > 1) { 2376 /* start of new frame */ 2377 new_rep->bytcnt = 1; 2378 /* ..continue looking */ 2379 continue; 2380 } 2381 } 2382 2383 /* 2384 * if 2nd byte of report.. */ 2385 2386 else if (new_rep->bytcnt == 2) { 2387 new_rep->dx = data & 0x00FF; 2388 } 2389 2390 /* 2391 * if 3rd byte of report, load input event queue */ 2392 2393 else if (new_rep->bytcnt == 3) { 2394 2395 new_rep->dy = data & 0x00FF; 2396 new_rep->bytcnt = 0; 2397 2398 /* 2399 * if mouse position has changed.. */ 2400 2401 if (new_rep->dx != 0 || new_rep->dy != 0) { 2402 2403 /* 2404 * calculate acceleration factor, if needed */ 2405 2406 if (qdflags[dv->dv_unit].curs_acc > ACC_OFF) { 2407 2408 if (qdflags[dv->dv_unit].curs_thr <= new_rep->dx) 2409 new_rep->dx += 2410 (new_rep->dx - qdflags[dv->dv_unit].curs_thr) 2411 * qdflags[dv->dv_unit].curs_acc; 2412 2413 if (qdflags[dv->dv_unit].curs_thr <= new_rep->dy) 2414 new_rep->dy += 2415 (new_rep->dy - qdflags[dv->dv_unit].curs_thr) 2416 * qdflags[dv->dv_unit].curs_acc; 2417 } 2418 2419 /* 2420 * update cursor position coordinates */ 2421 2422 if (new_rep->state & X_SIGN) { 2423 eqh->curs_pos.x += new_rep->dx; 2424 if (eqh->curs_pos.x > 1023) 2425 eqh->curs_pos.x = 1023; 2426 } 2427 else { 2428 eqh->curs_pos.x -= new_rep->dx; 2429 if (eqh->curs_pos.x < -15) 2430 eqh->curs_pos.x = -15; 2431 } 2432 2433 if (new_rep->state & Y_SIGN) { 2434 eqh->curs_pos.y -= new_rep->dy; 2435 if (eqh->curs_pos.y < -15) 2436 eqh->curs_pos.y = -15; 2437 } 2438 else { 2439 eqh->curs_pos.y += new_rep->dy; 2440 if (eqh->curs_pos.y > 863) 2441 eqh->curs_pos.y = 863; 2442 } 2443 2444 /* 2445 * update cursor screen position */ 2446 2447 dga = (struct dga *) qdmap[dv->dv_unit].dga; 2448 dga->x_cursor = TRANX(eqh->curs_pos.x); 2449 dga->y_cursor = TRANY(eqh->curs_pos.y); 2450 2451 /* 2452 * if cursor is in the box, no event report */ 2453 2454 if (eqh->curs_pos.x <= eqh->curs_box.right && 2455 eqh->curs_pos.x >= eqh->curs_box.left && 2456 eqh->curs_pos.y >= eqh->curs_box.top && 2457 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2458 goto GET_MBUTTON; 2459 } 2460 2461 /* 2462 * report the mouse motion event */ 2463 2464 event = PUTBEGIN(eqh); 2465 PUTEND(eqh); 2466 2467 ++do_wakeup; /* request a select wakeup call */ 2468 2469 event->vse_x = eqh->curs_pos.x; 2470 event->vse_y = eqh->curs_pos.y; 2471 2472 event->vse_device = VSE_MOUSE; /* mouse */ 2473 event->vse_type = VSE_MMOTION; /* pos changed */ 2474 event->vse_key = 0; 2475 event->vse_direction = 0; 2476 event->vse_time = TOY; /* time stamp */ 2477 } 2478 2479 GET_MBUTTON: 2480 /* 2481 * if button state has changed */ 2482 2483 a = new_rep->state & 0x07; /*mask nonbutton bits */ 2484 b = last_rep[dv->dv_unit].state & 0x07; 2485 2486 if (a ^ b) { 2487 2488 for ( c = 1; c < 8; c <<= 1) { 2489 2490 if (!( c & (a ^ b))) /* this button change? */ 2491 continue; 2492 2493 /* event queue full? (overflow condition) */ 2494 2495 if (ISFULL(eqh) == TRUE) { 2496 printf("qd%d: qdiint: event queue overflow\n", qd); 2497 break; 2498 } 2499 2500 event = PUTBEGIN(eqh); /* get new event */ 2501 PUTEND(eqh); 2502 2503 ++do_wakeup; /* request select wakeup */ 2504 2505 event->vse_x = eqh->curs_pos.x; 2506 event->vse_y = eqh->curs_pos.y; 2507 2508 event->vse_device = VSE_MOUSE; /* mouse */ 2509 event->vse_type = VSE_BUTTON; /* new button */ 2510 event->vse_time = TOY; /* time stamp */ 2511 2512 /* flag changed button and if up or down */ 2513 2514 if (c == RIGHT_BUTTON) 2515 event->vse_key = VSE_RIGHT_BUTTON; 2516 else if (c == MIDDLE_BUTTON) 2517 event->vse_key = VSE_MIDDLE_BUTTON; 2518 else if (c == LEFT_BUTTON) 2519 event->vse_key = VSE_LEFT_BUTTON; 2520 2521 /* set bit = button depressed */ 2522 2523 if (c & a) 2524 event->vse_direction = VSE_KBTDOWN; 2525 else 2526 event->vse_direction = VSE_KBTUP; 2527 } 2528 } 2529 2530 /* refresh last report */ 2531 2532 last_rep[dv->dv_unit] = current_rep[dv->dv_unit]; 2533 2534 } /* get last byte of report */ 2535 } else if ((status = duart->statusB)&RCV_RDY && 2536 qdflags[dv->dv_unit].pntr_id == TABLET_ID) { 2537 /* 2538 * pickup tablet input, if any 2539 */ 2540 if (status&0x70) { 2541 duart->cmdB = 0x40; 2542 continue; 2543 } 2544 /* 2545 * event queue full now? (overflow condition) 2546 */ 2547 if (ISFULL(eqh) == TRUE) { 2548 printf("qd%d: qdiint: event queue overflow\n", qd); 2549 break; 2550 } 2551 2552 data = duart->dataB; /* get report byte */ 2553 ++new_rep->bytcnt; /* bump report byte count */ 2554 2555 /* 2556 * if 1st byte of report.. */ 2557 2558 if (data & START_FRAME) { 2559 new_rep->state = data; 2560 if (new_rep->bytcnt > 1) { 2561 new_rep->bytcnt = 1; /* start of new frame */ 2562 continue; /* ..continue looking */ 2563 } 2564 } 2565 2566 /* 2567 * if 2nd byte of report.. */ 2568 2569 else if (new_rep->bytcnt == 2) { 2570 new_rep->dx = data & 0x3F; 2571 } 2572 2573 /* 2574 * if 3rd byte of report.. */ 2575 2576 else if (new_rep->bytcnt == 3) { 2577 new_rep->dx |= (data & 0x3F) << 6; 2578 } 2579 2580 /* 2581 * if 4th byte of report.. */ 2582 2583 else if (new_rep->bytcnt == 4) { 2584 new_rep->dy = data & 0x3F; 2585 } 2586 2587 /* 2588 * if 5th byte of report, load input event queue */ 2589 2590 else if (new_rep->bytcnt == 5) { 2591 2592 new_rep->dy |= (data & 0x3F) << 6; 2593 new_rep->bytcnt = 0; 2594 2595 /* 2596 * update cursor position coordinates */ 2597 2598 new_rep->dx /= qdflags[dv->dv_unit].tab_res; 2599 new_rep->dy = (2200 - new_rep->dy) 2600 / qdflags[dv->dv_unit].tab_res; 2601 2602 if (new_rep->dx > 1023) { 2603 new_rep->dx = 1023; 2604 } 2605 if (new_rep->dy > 863) { 2606 new_rep->dy = 863; 2607 } 2608 2609 /* 2610 * report an event if the puck/stylus has moved 2611 */ 2612 2613 if (eqh->curs_pos.x != new_rep->dx || 2614 eqh->curs_pos.y != new_rep->dy) { 2615 2616 eqh->curs_pos.x = new_rep->dx; 2617 eqh->curs_pos.y = new_rep->dy; 2618 2619 /* 2620 * update cursor screen position */ 2621 2622 dga = (struct dga *) qdmap[dv->dv_unit].dga; 2623 dga->x_cursor = TRANX(eqh->curs_pos.x); 2624 dga->y_cursor = TRANY(eqh->curs_pos.y); 2625 2626 /* 2627 * if cursor is in the box, no event report 2628 */ 2629 2630 if (eqh->curs_pos.x <= eqh->curs_box.right && 2631 eqh->curs_pos.x >= eqh->curs_box.left && 2632 eqh->curs_pos.y >= eqh->curs_box.top && 2633 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2634 goto GET_TBUTTON; 2635 } 2636 2637 /* 2638 * report the tablet motion event */ 2639 2640 event = PUTBEGIN(eqh); 2641 PUTEND(eqh); 2642 2643 ++do_wakeup; /* request a select wakeup call */ 2644 2645 event->vse_x = eqh->curs_pos.x; 2646 event->vse_y = eqh->curs_pos.y; 2647 2648 event->vse_device = VSE_TABLET; /* tablet */ 2649 /* 2650 * right now, X handles tablet motion the same 2651 * as mouse motion 2652 */ 2653 event->vse_type = VSE_MMOTION; /* pos changed */ 2654 event->vse_key = 0; 2655 event->vse_direction = 0; 2656 event->vse_time = TOY; /* time stamp */ 2657 } 2658 GET_TBUTTON: 2659 /* 2660 * if button state has changed */ 2661 2662 a = new_rep->state & 0x1E; /* mask nonbutton bits */ 2663 b = last_rep[dv->dv_unit].state & 0x1E; 2664 2665 if (a ^ b) { 2666 2667 /* event queue full now? (overflow condition) */ 2668 2669 if (ISFULL(eqh) == TRUE) { 2670 printf("qd%d: qdiint: event queue overflow\n",qd); 2671 break; 2672 } 2673 2674 event = PUTBEGIN(eqh); /* get new event */ 2675 PUTEND(eqh); 2676 2677 ++do_wakeup; /* request a select wakeup call */ 2678 2679 event->vse_x = eqh->curs_pos.x; 2680 event->vse_y = eqh->curs_pos.y; 2681 2682 event->vse_device = VSE_TABLET; /* tablet */ 2683 event->vse_type = VSE_BUTTON; /* button changed */ 2684 event->vse_time = TOY; /* time stamp */ 2685 2686 /* define the changed button and if up or down */ 2687 2688 for ( c = 1; c <= 0x10; c <<= 1) { 2689 if (c & (a ^ b)) { 2690 if (c == T_LEFT_BUTTON) 2691 event->vse_key = VSE_T_LEFT_BUTTON; 2692 else if (c == T_FRONT_BUTTON) 2693 event->vse_key = VSE_T_FRONT_BUTTON; 2694 else if (c == T_RIGHT_BUTTON) 2695 event->vse_key = VSE_T_RIGHT_BUTTON; 2696 else if (c == T_BACK_BUTTON) 2697 event->vse_key = VSE_T_BACK_BUTTON; 2698 break; 2699 } 2700 } 2701 2702 /* set bit = button depressed */ 2703 2704 if (c & a) 2705 event->vse_direction = VSE_KBTDOWN; 2706 else 2707 event->vse_direction = VSE_KBTUP; 2708 } 2709 2710 /* refresh last report */ 2711 2712 last_rep[dv->dv_unit] = current_rep[dv->dv_unit]; 2713 2714 } /* get last byte of report */ 2715 } /* pick up tablet input */ 2716 2717 } /* while input available.. */ 2718 2719 /* 2720 * do select wakeup 2721 */ 2722 if (qdrsel[dv->dv_unit].si_pid && do_wakeup && qdflags[dv->dv_unit].selmask & SEL_READ) { 2723 selwakeup(&qdrsel[dv->dv_unit]); 2724 qdrsel[dv->dv_unit].si_pid = 0; 2725 qdflags[dv->dv_unit].selmask &= ~SEL_READ; 2726 do_wakeup = 0; 2727 } 2728 } else { 2729 /* 2730 * if the graphic device is not turned on, this is console input 2731 */ 2732 if (qdpolling) 2733 return; 2734 2735 if (dv->dv_unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[dv->dv_unit] == NULL) 2736 return; /* no such device or address */ 2737 2738 tp = qd_tty[dv->dv_unit << 2]; 2739 2740 /* 2741 * Get a character from the keyboard. 2742 */ 2743 while (duart->statusA&RCV_RDY) { 2744 key = duart->dataA; 2745 key &= 0xFF; 2746 /* 2747 * Check for various keyboard errors 2748 */ 2749 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 2750 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 2751 printf("qd%d: qdiint: Keyboard error, code = %x\n",qd,key); 2752 return; 2753 } 2754 2755 if (key < LK_LOWEST) 2756 return; 2757 2758 /* 2759 * See if its a state change key */ 2760 2761 switch (key) { 2762 2763 case LOCK: 2764 q_keyboard.lock ^= 0xffff; /* toggle */ 2765 if (q_keyboard.lock) 2766 led_control(qd, LK_LED_ENABLE, 2767 LK_LED_LOCK); 2768 else 2769 led_control(qd, LK_LED_DISABLE, 2770 LK_LED_LOCK); 2771 return; 2772 2773 case SHIFT: 2774 q_keyboard.shift ^= 0xFFFF; 2775 return; 2776 2777 case CNTRL: 2778 q_keyboard.cntrl ^= 0xFFFF; 2779 return; 2780 2781 case ALLUP: 2782 q_keyboard.cntrl = 0; 2783 q_keyboard.shift = 0; 2784 return; 2785 2786 case REPEAT: 2787 chr = q_keyboard.last; 2788 break; 2789 2790 /* 2791 * Test for cntrl characters. If set, see if the character 2792 * is elligible to become a control character. */ 2793 2794 default: 2795 2796 if (q_keyboard.cntrl) { 2797 chr = q_key[key]; 2798 if (chr >= ' ' && chr <= '~') 2799 chr &= 0x1F; 2800 else if (chr >= 0xA1 && chr <= 0xFE) 2801 chr &= 0x9F; 2802 } 2803 else if( q_keyboard.lock || q_keyboard.shift ) 2804 chr = q_shift_key[key]; 2805 else 2806 chr = q_key[key]; 2807 break; 2808 } 2809 2810 q_keyboard.last = chr; 2811 2812 /* 2813 * Check for special function keys */ 2814 2815 if (chr & 0x100) { 2816 char *string; 2817 string = q_special[chr & 0x7F]; 2818 while(*string) 2819 (*tp->t_linesw->l_rint)(*string++, tp); 2820 } 2821 else { 2822 #ifdef DDB 2823 /* Check for kernel debugger escape here */ 2824 int j; 2825 2826 j = kdbrint(chr&0177); 2827 2828 if (j == 1) /* Escape received, just return */ 2829 return; 2830 2831 if (j == 2) /* Second char wasn't 'D' */ 2832 (*tp->t_linesw->l_rint)(27, tp); 2833 #endif 2834 (*tp->t_linesw->l_rint)(chr&0177, tp); 2835 } 2836 } 2837 } 2838 } /* qdiint */ 2839 2840 /* 2841 * 2842 * Clear the QDSS screen 2843 * 2844 * >>> NOTE <<< 2845 * 2846 * This code requires that certain adder initialization be valid. To 2847 * assure that this requirement is satisfied, this routine should be 2848 * called only after calling the "setup_dragon()" function. 2849 * 2850 * Clear the bitmap a piece at a time. Since the fast scroll clear 2851 * only clears the current displayed portion of the bitmap put a 2852 * temporary value in the y limit register so we can access whole 2853 * bitmap 2854 * 2855 */ 2856 void 2857 clear_qd_screen(unit) 2858 int unit; 2859 { 2860 volatile struct adder *adder; 2861 adder = (struct adder *) qdmap[unit].adder; 2862 2863 adder->x_limit = 1024; 2864 adder->y_limit = 2048 - CHAR_HEIGHT; 2865 adder->y_offset_pending = 0; 2866 #define WSV (void)wait_status(adder, VSYNC); (void)wait_status(adder, VSYNC) 2867 WSV; 2868 adder->y_scroll_constant = SCROLL_ERASE; 2869 WSV; 2870 adder->y_offset_pending = 864; 2871 WSV; 2872 adder->y_scroll_constant = SCROLL_ERASE; 2873 WSV; 2874 adder->y_offset_pending = 1728; 2875 WSV; 2876 adder->y_scroll_constant = SCROLL_ERASE; 2877 WSV; 2878 adder->y_offset_pending = 0; /* back to normal */ 2879 WSV; 2880 adder->x_limit = MAX_SCREEN_X; 2881 adder->y_limit = MAX_SCREEN_Y + FONT_HEIGHT; 2882 #undef WSV 2883 2884 } /* clear_qd_screen */ 2885 2886 /* 2887 * kernel console output to the glass tty 2888 */ 2889 void 2890 qdcnputc(dev, chr) 2891 dev_t dev; 2892 int chr; 2893 { 2894 2895 /* 2896 * if system is now physical, forget it (ie: crash DUMP) 2897 */ 2898 if ((mfpr(PR_MAPEN) & 1) == 0) 2899 return; 2900 2901 blitc(0, (u_char)(chr & 0xff)); 2902 if ((chr & 0177) == '\n') 2903 blitc(0, '\r'); 2904 2905 } /* qdputc */ 2906 2907 /* 2908 * load the mouse cursor's template RAM bitmap 2909 */ 2910 void 2911 ldcursor(unit, bitmap) 2912 int unit; 2913 short *bitmap; 2914 { 2915 volatile struct dga *dga; 2916 volatile short *temp; 2917 int i; 2918 int curs; 2919 2920 dga = (struct dga *) qdmap[unit].dga; 2921 temp = (short *) qdmap[unit].template; 2922 2923 if (dga->csr & CURS_ENB) { /* if the cursor is enabled.. */ 2924 curs = -1; /* ..note that.. */ 2925 dga->csr &= ~CURS_ENB; /* ..and shut it off */ 2926 } else 2927 curs = 0; 2928 2929 dga->csr &= ~CURS_ENB; /* shut off the cursor */ 2930 2931 temp += (8 * 1024) - 32; /* cursor is 32 WORDS from the end */ 2932 /* ..of the 8k WORD template space */ 2933 for (i = 0; i < 32; ++i) 2934 *temp++ = *bitmap++; 2935 2936 if (curs) { /* if cursor was enabled.. */ 2937 dga->csr |= CURS_ENB; /* ..turn it back on */ 2938 } 2939 2940 } /* ldcursor */ 2941 2942 /* 2943 * Put the console font in the QDSS off-screen memory 2944 */ 2945 void 2946 ldfont(unit) 2947 int unit; 2948 { 2949 volatile struct adder *adder; 2950 2951 int i, j, k, max_chars_line; 2952 short packed; 2953 2954 adder = (struct adder *) qdmap[unit].adder; 2955 2956 /* 2957 * setup VIPER operand control registers 2958 */ 2959 write_ID(adder, MASK_1, 0xFFFF); 2960 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 2961 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 2962 2963 write_ID(adder, SRC1_OCR_B, 2964 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 2965 write_ID(adder, SRC2_OCR_B, 2966 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 2967 write_ID(adder, DST_OCR_B, 2968 EXT_SOURCE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 2969 2970 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 2971 2972 /* 2973 * load destination data 2974 */ 2975 (void)wait_status(adder, RASTEROP_COMPLETE); 2976 2977 adder->destination_x = FONT_X; 2978 adder->destination_y = FONT_Y; 2979 #if FONT_WIDTH > MAX_SCREEN_X 2980 adder->fast_dest_dx = MAX_SCREEN_X; 2981 #else 2982 adder->fast_dest_dx = FONT_WIDTH; 2983 #endif 2984 adder->slow_dest_dy = CHAR_HEIGHT; 2985 2986 /* 2987 * setup for processor to bitmap xfer */ 2988 2989 write_ID(adder, CS_UPDATE_MASK, 0x0001); 2990 adder->cmd = PBT | OCRB | 2 | DTE | 2; 2991 2992 /* 2993 * Figure out how many characters can be stored on one "line" of 2994 * offscreen memory. 2995 */ 2996 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 2997 if ((CHARS/2 + CHARS%2) < max_chars_line) 2998 max_chars_line = CHARS/2 + CHARS%2; 2999 3000 /* 3001 * iteratively do the processor to bitmap xfer */ 3002 3003 for (i = 0; i < ROWS; ++i) { 3004 3005 /* PTOB a scan line */ 3006 3007 for (j = 0, k = i; j < max_chars_line; ++j) { 3008 /* PTOB one scan of a char cell */ 3009 3010 packed = q_font[k]; 3011 k += ROWS; 3012 packed |= ((short)q_font[k] << 8); 3013 k += ROWS; 3014 3015 (void)wait_status(adder, TX_READY); 3016 adder->id_data = packed; 3017 } 3018 } 3019 3020 /* 3021 * (XXX XXX XXX - should remove) 3022 * 3023 * Copy the second row of characters. Subtract the first 3024 * row from the total number. Divide this quantity by 2 3025 * because 2 chars are stored in a short in the PTOB loop 3026 * below. Figure out how many characters can be stored on 3027 * one "line" of offscreen memory 3028 */ 3029 3030 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3031 if ((CHARS/2 + CHARS%2) < max_chars_line) 3032 return; 3033 max_chars_line = (CHARS/2 + CHARS%2) - max_chars_line; /* 95 - 64 */ 3034 /* Paranoia check to see if 3rd row may be needed */ 3035 if (max_chars_line > (MAX_SCREEN_X/(CHAR_WIDTH*2))) 3036 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3037 3038 adder->destination_x = FONT_X; 3039 adder->destination_y = FONT_Y - CHAR_HEIGHT; 3040 adder->fast_dest_dx = max_chars_line * CHAR_WIDTH * 2; 3041 adder->slow_dest_dy = CHAR_HEIGHT; 3042 3043 /* 3044 * setup for processor to bitmap xfer 3045 */ 3046 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3047 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3048 3049 /* 3050 * iteratively do the processor to bitmap xfer 3051 */ 3052 for (i = 0; i < ROWS; ++i) { 3053 /* 3054 * PTOB a scan line 3055 */ 3056 for (j = 0, k = i; j < max_chars_line; ++j) { 3057 /* 3058 * PTOB one scan of a char cell 3059 */ 3060 packed = q_font[k + FONT_OFFSET]; 3061 k += ROWS; 3062 packed |= ((short)q_font[k + FONT_OFFSET] << 8); 3063 k += ROWS; 3064 (void)wait_status(adder, TX_READY); 3065 adder->id_data = packed; 3066 } 3067 } 3068 3069 } /* ldfont */ 3070 3071 3072 /* 3073 * Disable or enable polling. This is used when entering or leaving the 3074 * kernel debugger. 3075 */ 3076 void 3077 qdcnpollc(dev, onoff) 3078 dev_t dev; 3079 int onoff; 3080 { 3081 qdpolling = onoff; 3082 } 3083 3084 3085 /* 3086 * Get a character from the LK201 (polled) 3087 */ 3088 int 3089 qdcngetc(dev) 3090 dev_t dev; 3091 { 3092 short key; 3093 char chr; 3094 volatile struct duart *duart; 3095 3096 duart = (struct duart *) qdmap[0].duart; 3097 3098 /* 3099 * Get a character from the keyboard. 3100 */ 3101 LOOP: 3102 while (!(duart->statusA&RCV_RDY)) 3103 ; 3104 3105 key = duart->dataA; 3106 key &= 0xFF; 3107 3108 /* 3109 * Check for various keyboard errors */ 3110 3111 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 3112 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 3113 printf("Keyboard error, code = %x\n", key); 3114 return(0); 3115 } 3116 3117 if (key < LK_LOWEST) 3118 return(0); 3119 3120 /* 3121 * See if its a state change key 3122 */ 3123 switch (key) { 3124 3125 case LOCK: 3126 q_keyboard.lock ^= 0xffff; /* toggle */ 3127 if (q_keyboard.lock) 3128 led_control(0, LK_LED_ENABLE, LK_LED_LOCK); 3129 else 3130 led_control(0, LK_LED_DISABLE, LK_LED_LOCK); 3131 goto LOOP; 3132 3133 case SHIFT: 3134 q_keyboard.shift ^= 0xFFFF; 3135 goto LOOP; 3136 3137 case CNTRL: 3138 q_keyboard.cntrl ^= 0xFFFF; 3139 goto LOOP; 3140 3141 case ALLUP: 3142 q_keyboard.cntrl = 0; 3143 q_keyboard.shift = 0; 3144 goto LOOP; 3145 3146 case REPEAT: 3147 chr = q_keyboard.last; 3148 break; 3149 3150 /* 3151 * Test for cntrl characters. If set, see if the character 3152 * is elligible to become a control character. 3153 */ 3154 default: 3155 3156 if (q_keyboard.cntrl) { 3157 chr = q_key[key]; 3158 if (chr >= ' ' && chr <= '~') 3159 chr &= 0x1F; 3160 } 3161 else if ( q_keyboard.lock || q_keyboard.shift ) 3162 chr = q_shift_key[key]; 3163 else 3164 chr = q_key[key]; 3165 break; 3166 } 3167 3168 if (chr < ' ' && chr > '~') /* if input is non-displayable */ 3169 return(0); /* ..then pitch it! */ 3170 3171 q_keyboard.last = chr; 3172 3173 /* 3174 * Check for special function keys */ 3175 3176 if (chr & 0x80) /* pitch the function keys */ 3177 return(0); 3178 else 3179 return(chr); 3180 3181 } /* qdgetc */ 3182 3183 /* 3184 * led_control()... twiddle LK-201 LED's 3185 */ 3186 void 3187 led_control(unit, cmd, led_mask) 3188 int unit, cmd, led_mask; 3189 { 3190 int i; 3191 volatile struct duart *duart; 3192 3193 duart = (struct duart *)qdmap[unit].duart; 3194 3195 for (i = 1000; i > 0; --i) { 3196 if (duart->statusA&XMT_RDY) { 3197 duart->dataA = cmd; 3198 break; 3199 } 3200 } 3201 for (i = 1000; i > 0; --i) { 3202 if (duart->statusA&XMT_RDY) { 3203 duart->dataA = led_mask; 3204 break; 3205 } 3206 } 3207 return; 3208 3209 } /* led_control */ 3210 3211 /* 3212 * scroll_up()... move the screen up one character height 3213 */ 3214 void 3215 scroll_up(adder) 3216 volatile struct adder *adder; 3217 { 3218 /* 3219 * setup VIPER operand control registers 3220 */ 3221 (void)wait_status(adder, ADDRESS_COMPLETE); 3222 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 3223 write_ID(adder, MASK_1, 0xFFFF); 3224 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3225 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3226 write_ID(adder, SRC1_OCR_B, 3227 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 3228 write_ID(adder, DST_OCR_B, 3229 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3230 /* 3231 * load DESTINATION origin and vectors 3232 */ 3233 adder->fast_dest_dy = 0; 3234 adder->slow_dest_dx = 0; 3235 adder->error_1 = 0; 3236 adder->error_2 = 0; 3237 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 3238 adder->destination_x = 0; 3239 adder->fast_dest_dx = 1024; 3240 adder->destination_y = 0; 3241 adder->slow_dest_dy = 864 - CHAR_HEIGHT; 3242 /* 3243 * load SOURCE origin and vectors 3244 */ 3245 adder->source_1_x = 0; 3246 adder->source_1_dx = 1024; 3247 adder->source_1_y = 0 + CHAR_HEIGHT; 3248 adder->source_1_dy = 864 - CHAR_HEIGHT; 3249 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3250 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 3251 /* 3252 * do a rectangle clear of last screen line 3253 */ 3254 write_ID(adder, MASK_1, 0xffff); 3255 write_ID(adder, SOURCE, 0xffff); 3256 write_ID(adder,DST_OCR_B, 3257 (EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY)); 3258 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 0); 3259 adder->error_1 = 0; 3260 adder->error_2 = 0; 3261 adder->slow_dest_dx = 0; /* set up the width of */ 3262 adder->slow_dest_dy = CHAR_HEIGHT; /* rectangle */ 3263 adder->rasterop_mode = (NORMAL | DST_WRITE_ENABLE) ; 3264 (void)wait_status(adder, RASTEROP_COMPLETE); 3265 adder->destination_x = 0; 3266 adder->destination_y = 864 - CHAR_HEIGHT; 3267 adder->fast_dest_dx = 1024; /* set up the height */ 3268 adder->fast_dest_dy = 0; /* of rectangle */ 3269 write_ID(adder, LU_FUNCTION_R2, (FULL_SRC_RESOLUTION | LF_SOURCE)); 3270 adder->cmd = (RASTEROP | OCRB | LF_R2 | DTE ) ; 3271 3272 } /* scroll_up */ 3273 3274 /* 3275 * init shared memory pointers and structures 3276 */ 3277 void 3278 init_shared(unit) 3279 int unit; 3280 { 3281 volatile struct dga *dga; 3282 3283 dga = (struct dga *) qdmap[unit].dga; 3284 3285 /* 3286 * initialize the event queue pointers and header */ 3287 3288 eq_header[unit] = (struct qdinput *) 3289 ((((int)event_shared & ~(0x01FF)) + 512) 3290 + (EVENT_BUFSIZE * unit)); 3291 eq_header[unit]->curs_pos.x = 0; 3292 eq_header[unit]->curs_pos.y = 0; 3293 dga->x_cursor = TRANX(eq_header[unit]->curs_pos.x); 3294 dga->y_cursor = TRANY(eq_header[unit]->curs_pos.y); 3295 eq_header[unit]->curs_box.left = 0; 3296 eq_header[unit]->curs_box.right = 0; 3297 eq_header[unit]->curs_box.top = 0; 3298 eq_header[unit]->curs_box.bottom = 0; 3299 /* 3300 * assign a pointer to the DMA I/O buffer for this QDSS. 3301 */ 3302 DMAheader[unit] = (struct DMAreq_header *) 3303 (((int)(&DMA_shared[0] + 512) & ~0x1FF) 3304 + (DMAbuf_size * unit)); 3305 DMAheader[unit]->DMAreq = (struct DMAreq *) ((int)DMAheader[unit] 3306 + sizeof(struct DMAreq_header)); 3307 DMAheader[unit]->QBAreg = 0; 3308 DMAheader[unit]->status = 0; 3309 DMAheader[unit]->shared_size = DMAbuf_size; 3310 DMAheader[unit]->used = 0; 3311 DMAheader[unit]->size = 10; /* default = 10 requests */ 3312 DMAheader[unit]->oldest = 0; 3313 DMAheader[unit]->newest = 0; 3314 /* 3315 * assign a pointer to the scroll structure for this QDSS. 3316 */ 3317 scroll[unit] = (struct scroll *) 3318 (((int)(&scroll_shared[0] + 512) & ~0x1FF) 3319 + (sizeof(struct scroll) * unit)); 3320 scroll[unit]->status = 0; 3321 scroll[unit]->viper_constant = 0; 3322 scroll[unit]->y_scroll_constant = 0; 3323 scroll[unit]->y_offset = 0; 3324 scroll[unit]->x_index_pending = 0; 3325 scroll[unit]->y_index_pending = 0; 3326 /* 3327 * assign a pointer to the color map write buffer for this QDSS 3328 */ 3329 color_buf[unit] = (struct color_buf *) 3330 (((int)(&color_shared[0] + 512) & ~0x1FF) 3331 + (COLOR_BUFSIZ * unit)); 3332 color_buf[unit]->status = 0; 3333 color_buf[unit]->count = 0; 3334 3335 } /* init_shared */ 3336 3337 /* 3338 * init the ADDER, VIPER, bitmaps, & color map 3339 */ 3340 void 3341 setup_dragon(unit) 3342 int unit; 3343 { 3344 3345 volatile struct adder *adder; 3346 volatile struct dga *dga; 3347 volatile short *memcsr; 3348 int i; 3349 short top; /* clipping/scrolling boundaries */ 3350 short bottom; 3351 short right; 3352 short left; 3353 volatile short *red; /* color map pointers */ 3354 volatile short *green; 3355 volatile short *blue; 3356 3357 /* 3358 * init for setup 3359 */ 3360 adder = (struct adder *) qdmap[unit].adder; 3361 dga = (struct dga *) qdmap[unit].dga; 3362 memcsr = (short *) qdmap[unit].memcsr; 3363 dga->csr &= ~(DMA_IE | 0x700); /* halt DMA and kill the intrpts */ 3364 *memcsr = SYNC_ON; /* blank screen and turn off LED's */ 3365 adder->command = CANCEL; 3366 /* 3367 * set monitor timing 3368 */ 3369 adder->x_scan_count_0 = 0x2800; 3370 adder->x_scan_count_1 = 0x1020; 3371 adder->x_scan_count_2 = 0x003A; 3372 adder->x_scan_count_3 = 0x38F0; 3373 adder->x_scan_count_4 = 0x6128; 3374 adder->x_scan_count_5 = 0x093A; 3375 adder->x_scan_count_6 = 0x313C; 3376 adder->sync_phase_adj = 0x0100; 3377 adder->x_scan_conf = 0x00C8; 3378 /* 3379 * got a bug in secound pass ADDER! lets take care of it 3380 * 3381 * normally, just use the code in the following bug fix code, but to 3382 * make repeated demos look pretty, load the registers as if there was 3383 * no bug and then test to see if we are getting sync 3384 */ 3385 adder->y_scan_count_0 = 0x135F; 3386 adder->y_scan_count_1 = 0x3363; 3387 adder->y_scan_count_2 = 0x2366; 3388 adder->y_scan_count_3 = 0x0388; 3389 /* 3390 * if no sync, do the bug fix code 3391 */ 3392 if (wait_status(adder, VSYNC) == BAD) { 3393 /* first load all Y scan registers with very short frame and 3394 * wait for scroll service. This guarantees at least one SYNC 3395 * to fix the pass 2 Adder initialization bug (synchronizes 3396 * XCINCH with DMSEEDH) 3397 */ 3398 adder->y_scan_count_0 = 0x01; 3399 adder->y_scan_count_1 = 0x01; 3400 adder->y_scan_count_2 = 0x01; 3401 adder->y_scan_count_3 = 0x01; 3402 /* 3403 * delay at least 1 full frame time 3404 */ 3405 (void)wait_status(adder, VSYNC); 3406 (void)wait_status(adder, VSYNC); 3407 /* 3408 * now load the REAL sync values (in reverse order just to 3409 * be safe. 3410 */ 3411 adder->y_scan_count_3 = 0x0388; 3412 adder->y_scan_count_2 = 0x2366; 3413 adder->y_scan_count_1 = 0x3363; 3414 adder->y_scan_count_0 = 0x135F; 3415 } 3416 *memcsr = SYNC_ON | UNBLANK; /* turn off leds and turn on video */ 3417 /* 3418 * zero the index registers 3419 */ 3420 adder->x_index_pending = 0; 3421 adder->y_index_pending = 0; 3422 adder->x_index_new = 0; 3423 adder->y_index_new = 0; 3424 adder->x_index_old = 0; 3425 adder->y_index_old = 0; 3426 adder->pause = 0; 3427 /* 3428 * set rasterop mode to normal pen down 3429 */ 3430 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3431 /* 3432 * set the rasterop registers to a default values 3433 */ 3434 adder->source_1_dx = 1; 3435 adder->source_1_dy = 1; 3436 adder->source_1_x = 0; 3437 adder->source_1_y = 0; 3438 adder->destination_x = 0; 3439 adder->destination_y = 0; 3440 adder->fast_dest_dx = 1; 3441 adder->fast_dest_dy = 0; 3442 adder->slow_dest_dx = 0; 3443 adder->slow_dest_dy = 1; 3444 adder->error_1 = 0; 3445 adder->error_2 = 0; 3446 /* 3447 * scale factor = UNITY 3448 */ 3449 adder->fast_scale = UNITY; 3450 adder->slow_scale = UNITY; 3451 /* 3452 * set the source 2 parameters 3453 */ 3454 adder->source_2_x = 0; 3455 adder->source_2_y = 0; 3456 adder->source_2_size = 0x0022; 3457 /* 3458 * initialize plane addresses for eight vipers 3459 */ 3460 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3461 write_ID(adder, PLANE_ADDRESS, 0x0000); 3462 write_ID(adder, CS_UPDATE_MASK, 0x0002); 3463 write_ID(adder, PLANE_ADDRESS, 0x0001); 3464 write_ID(adder, CS_UPDATE_MASK, 0x0004); 3465 write_ID(adder, PLANE_ADDRESS, 0x0002); 3466 write_ID(adder, CS_UPDATE_MASK, 0x0008); 3467 write_ID(adder, PLANE_ADDRESS, 0x0003); 3468 write_ID(adder, CS_UPDATE_MASK, 0x0010); 3469 write_ID(adder, PLANE_ADDRESS, 0x0004); 3470 write_ID(adder, CS_UPDATE_MASK, 0x0020); 3471 write_ID(adder, PLANE_ADDRESS, 0x0005); 3472 write_ID(adder, CS_UPDATE_MASK, 0x0040); 3473 write_ID(adder, PLANE_ADDRESS, 0x0006); 3474 write_ID(adder, CS_UPDATE_MASK, 0x0080); 3475 write_ID(adder, PLANE_ADDRESS, 0x0007); 3476 /* 3477 * initialize the external registers. 3478 */ 3479 write_ID(adder, CS_UPDATE_MASK, 0x00FF); 3480 write_ID(adder, CS_SCROLL_MASK, 0x00FF); 3481 /* 3482 * initialize resolution mode 3483 */ 3484 write_ID(adder, MEMORY_BUS_WIDTH, 0x000C); /* bus width = 16 */ 3485 write_ID(adder, RESOLUTION_MODE, 0x0000); /* one bit/pixel */ 3486 /* 3487 * initialize viper registers 3488 */ 3489 write_ID(adder, SCROLL_CONSTANT, SCROLL_ENABLE|VIPER_LEFT|VIPER_UP); 3490 write_ID(adder, SCROLL_FILL, 0x0000); 3491 /* 3492 * set clipping and scrolling limits to full screen 3493 */ 3494 for (i = 1000, adder->status = 0; 3495 i > 0 && !(adder->status&ADDRESS_COMPLETE); --i) 3496 ; 3497 if (i == 0) 3498 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3499 top = 0; 3500 bottom = 2048; 3501 left = 0; 3502 right = 1024; 3503 adder->x_clip_min = left; 3504 adder->x_clip_max = right; 3505 adder->y_clip_min = top; 3506 adder->y_clip_max = bottom; 3507 adder->scroll_x_min = left; 3508 adder->scroll_x_max = right; 3509 adder->scroll_y_min = top; 3510 adder->scroll_y_max = bottom; 3511 (void)wait_status(adder, VSYNC); /* wait at LEAST 1 full frame */ 3512 (void)wait_status(adder, VSYNC); 3513 adder->x_index_pending = left; 3514 adder->y_index_pending = top; 3515 adder->x_index_new = left; 3516 adder->y_index_new = top; 3517 adder->x_index_old = left; 3518 adder->y_index_old = top; 3519 3520 for (i = 1000, adder->status = 0; i > 0 && 3521 !(adder->status&ADDRESS_COMPLETE) ; --i) 3522 ; 3523 if (i == 0) 3524 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3525 3526 write_ID(adder, LEFT_SCROLL_MASK, 0x0000); 3527 write_ID(adder, RIGHT_SCROLL_MASK, 0x0000); 3528 /* 3529 * set source and the mask register to all ones (ie: white) o 3530 */ 3531 write_ID(adder, SOURCE, 0xFFFF); 3532 write_ID(adder, MASK_1, 0xFFFF); 3533 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3534 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3535 /* 3536 * initialize Operand Control Register banks for fill command 3537 */ 3538 write_ID(adder, SRC1_OCR_A, EXT_NONE | INT_M1_M2 | NO_ID | WAIT); 3539 write_ID(adder, SRC2_OCR_A, EXT_NONE | INT_SOURCE | NO_ID | NO_WAIT); 3540 write_ID(adder, DST_OCR_A, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3541 write_ID(adder, SRC1_OCR_B, EXT_NONE | INT_SOURCE | NO_ID | WAIT); 3542 write_ID(adder, SRC2_OCR_B, EXT_NONE | INT_M1_M2 | NO_ID | NO_WAIT); 3543 write_ID(adder, DST_OCR_B, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3544 /* 3545 * init Logic Unit Function registers, (these are just common values, 3546 * and may be changed as required). 3547 */ 3548 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3549 write_ID(adder, LU_FUNCTION_R2, FULL_SRC_RESOLUTION | LF_SOURCE | 3550 INV_M1_M2); 3551 write_ID(adder, LU_FUNCTION_R3, FULL_SRC_RESOLUTION | LF_D_OR_S); 3552 write_ID(adder, LU_FUNCTION_R4, FULL_SRC_RESOLUTION | LF_D_XOR_S); 3553 /* 3554 * load the color map for black & white 3555 */ 3556 for (i = 0, adder->status = 0; i < 10000 && !(adder->status&VSYNC); ++i) 3557 ; 3558 3559 if (i == 0) 3560 printf("qd%d: setup_dragon: timeout on VSYNC\n", unit); 3561 3562 red = (short *) qdmap[unit].red; 3563 green = (short *) qdmap[unit].green; 3564 blue = (short *) qdmap[unit].blue; 3565 3566 *red++ = 0x00; /* black */ 3567 *green++ = 0x00; 3568 *blue++ = 0x00; 3569 3570 *red-- = 0xFF; /* white */ 3571 *green-- = 0xFF; 3572 *blue-- = 0xFF; 3573 3574 /* 3575 * set color map for mouse cursor 3576 */ 3577 3578 red += 254; 3579 green += 254; 3580 blue += 254; 3581 3582 *red++ = 0x00; /* black */ 3583 *green++ = 0x00; 3584 *blue++ = 0x00; 3585 3586 *red = 0xFF; /* white */ 3587 *green = 0xFF; 3588 *blue = 0xFF; 3589 3590 } /* setup_dragon */ 3591 3592 /* 3593 * Init the DUART and set defaults in input 3594 */ 3595 void 3596 setup_input(unit) 3597 int unit; 3598 { 3599 volatile struct duart *duart; /* DUART register structure pointer */ 3600 int i, bits; 3601 char id_byte; 3602 3603 duart = (struct duart *) qdmap[unit].duart; 3604 duart->imask = 0; 3605 3606 /* 3607 * setup the DUART for kbd & pointing device 3608 */ 3609 duart->cmdA = RESET_M; /* reset mode reg ptr for kbd */ 3610 duart->modeA = 0x13; /* 8 bits, no parity, rcv IE, */ 3611 /* no RTS control,char error mode */ 3612 duart->modeA = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3613 /* no RTS control,no echo or loop */ 3614 duart->cmdB = RESET_M; /* reset mode reg pntr for host */ 3615 duart->modeB = 0x07; /* 8 bits, odd parity, rcv IE.. */ 3616 /* ..no RTS cntrl, char error mode */ 3617 duart->modeB = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3618 /* no RTS control,no echo or loop */ 3619 duart->auxctl = 0x00; /* baud rate set 1 */ 3620 duart->clkselA = 0x99; /* 4800 baud for kbd */ 3621 duart->clkselB = 0x99; /* 4800 baud for mouse */ 3622 3623 /* reset everything for keyboard */ 3624 3625 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3626 duart->cmdA = bits; 3627 3628 /* reset everything for host */ 3629 3630 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3631 duart->cmdB = bits; 3632 3633 duart->cmdA = EN_RCV | EN_XMT; /* enbl xmt & rcv for kbd */ 3634 duart->cmdB = EN_RCV | EN_XMT; /* enbl xmt & rcv for pointer device */ 3635 3636 /* 3637 * init keyboard defaults (DUART channel A) 3638 */ 3639 for (i = 500; i > 0; --i) { 3640 if (duart->statusA&XMT_RDY) { 3641 duart->dataA = LK_DEFAULTS; 3642 break; 3643 } 3644 } 3645 3646 for (i = 100000; i > 0; --i) { 3647 if (duart->statusA&RCV_RDY) { 3648 break; 3649 } 3650 } 3651 3652 if (duart->dataA) /* flush the ACK */ 3653 ; 3654 3655 /* 3656 * identify the pointing device 3657 */ 3658 for (i = 500; i > 0; --i) { 3659 if (duart->statusB&XMT_RDY) { 3660 duart->dataB = SELF_TEST; 3661 break; 3662 } 3663 } 3664 3665 /* 3666 * wait for 1st byte of self test report */ 3667 3668 for (i = 100000; i > 0; --i) { 3669 if (duart->statusB&RCV_RDY) { 3670 break; 3671 } 3672 } 3673 3674 if (i == 0) { 3675 printf("qd[%d]: setup_input: timeout on 1st byte of self test\n" 3676 ,unit); 3677 goto OUT; 3678 } 3679 3680 if (duart->dataB) 3681 ; 3682 3683 /* 3684 * wait for ID byte of self test report 3685 */ 3686 for (i = 100000; i > 0; --i) { 3687 if (duart->statusB&RCV_RDY) { 3688 break; 3689 } 3690 } 3691 3692 if (i == 0) { 3693 printf("qd[%d]: setup_input: timeout on 2nd byte of self test\n", unit); 3694 goto OUT; 3695 } 3696 3697 id_byte = duart->dataB; 3698 3699 /* 3700 * wait for other bytes to come in 3701 */ 3702 for (i = 100000; i > 0; --i) { 3703 if (duart->statusB & RCV_RDY) { 3704 if (duart->dataB) 3705 ; 3706 break; 3707 } 3708 } 3709 if (i == 0) { 3710 printf("qd[%d]: setup_input: timeout on 3rd byte of self test\n", unit); 3711 goto OUT; 3712 } 3713 for (i = 100000; i > 0; --i) { 3714 if (duart->statusB&RCV_RDY) { 3715 if (duart->dataB) 3716 ; 3717 break; 3718 } 3719 } 3720 if (i == 0) { 3721 printf("qd[%d]: setup_input: timeout on 4th byte of self test\n", unit); 3722 goto OUT; 3723 } 3724 /* 3725 * flag pointing device type and set defaults 3726 */ 3727 for (i=100000; i>0; --i) 3728 ; /*XXX*/ 3729 3730 if ((id_byte & 0x0F) != TABLET_ID) { 3731 qdflags[unit].pntr_id = MOUSE_ID; 3732 3733 for (i = 500; i > 0; --i) { 3734 if (duart->statusB&XMT_RDY) { 3735 duart->dataB = INC_STREAM_MODE; 3736 break; 3737 } 3738 } 3739 } 3740 else { 3741 qdflags[unit].pntr_id = TABLET_ID; 3742 3743 for (i = 500; i > 0; --i) { 3744 if (duart->statusB&XMT_RDY) { 3745 duart->dataB = T_STREAM; 3746 break; 3747 } 3748 } 3749 } 3750 OUT: 3751 duart->imask = qdflags[unit].duart_imask; 3752 3753 } /* setup_input */ 3754 3755 /* 3756 * delay for at least one display frame time 3757 * 3758 * return: BAD means that we timed out without ever seeing the 3759 * vertical sync status bit 3760 * GOOD otherwise 3761 */ 3762 int 3763 wait_status(adder, mask) 3764 volatile struct adder *adder; 3765 int mask; 3766 { 3767 int i; 3768 3769 for (i = 10000, adder->status = 0 ; i > 0 && 3770 !(adder->status&mask) ; --i) 3771 ; 3772 3773 if (i == 0) { 3774 printf("wait_status: timeout polling for 0x%x in adder->status\n", mask); 3775 return(BAD); 3776 } 3777 3778 return(GOOD); 3779 3780 } /* wait_status */ 3781 3782 /* 3783 * write out onto the ID bus 3784 */ 3785 void 3786 write_ID(adder, adrs, data) 3787 volatile struct adder *adder; 3788 short adrs; 3789 short data; 3790 { 3791 int i; 3792 3793 for (i = 100000, adder->status = 0 ; 3794 i > 0 && !(adder->status&ADDRESS_COMPLETE) ; --i) 3795 ; 3796 3797 if (i == 0) 3798 goto ERR; 3799 3800 for (i = 100000, adder->status = 0 ; 3801 i > 0 && !(adder->status&TX_READY) ; --i) 3802 ; 3803 3804 if (i > 0) { 3805 adder->id_data = data; 3806 adder->command = ID_LOAD | adrs; 3807 return ; 3808 } 3809 3810 ERR: 3811 printf("write_ID: timeout trying to write to VIPER\n"); 3812 return ; 3813 3814 } /* write_ID */ 3815
Indexes created Tue Sep 30 10:09:55 GMT 2025