1 /* $NetBSD: qd.c,v 1.41 2007/12/05 17:19:50 pooka 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)qd.c 7.1 (Berkeley) 6/28/91 32 */ 33 34 /************************************************************************ 35 * * 36 * Copyright (c) 1985-1988 by * 37 * Digital Equipment Corporation, Maynard, MA * 38 * All rights reserved. * 39 * * 40 * This software is furnished under a license and may be used and * 41 * copied only in accordance with the terms of such license and * 42 * with the inclusion of the above copyright notice. This * 43 * software or any other copies thereof may not be provided or * 44 * otherwise made available to any other person. No title to and * 45 * ownership of the software is hereby transferred. * 46 * * 47 * The information in this software is subject to change without * 48 * notice and should not be construed as a commitment by Digital * 49 * Equipment Corporation. * 50 * * 51 * Digital assumes no responsibility for the use or reliability * 52 * of its software on equipment which is not supplied by Digital. * 53 * * 54 *************************************************************************/ 55 56 /* 57 * qd.c - QDSS display driver for VAXSTATION-II GPX workstation 58 */ 59 60 #include <sys/cdefs.h> 61 __KERNEL_RCSID(0, "$NetBSD: qd.c,v 1.41 2007/12/05 17:19:50 pooka Exp $"); 62 63 #include "opt_ddb.h" 64 65 #include "qd.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/conf.h> 70 #include <sys/tty.h> 71 #include <sys/kernel.h> 72 #include <sys/device.h> 73 #include <sys/poll.h> 74 #include <sys/buf.h> 75 76 #include <uvm/uvm_extern.h> 77 78 #include <dev/cons.h> 79 80 #include <sys/bus.h> 81 #include <machine/scb.h> 82 83 #ifdef __vax__ 84 #include <machine/sid.h> 85 #include <sys/cpu.h> 86 #include <machine/pte.h> 87 #endif 88 89 #include <dev/qbus/ubavar.h> 90 91 #include <dev/qbus/qduser.h> 92 #include <dev/qbus/qdreg.h> 93 #include <dev/qbus/qdioctl.h> 94 95 #include "ioconf.h" 96 97 /* 98 * QDSS driver status flags for tracking operational state 99 */ 100 struct qdflags { 101 u_int inuse; /* which minor dev's are in use now */ 102 u_int config; /* I/O page register content */ 103 u_int mapped; /* user mapping status word */ 104 u_int kernel_loop; /* if kernel console is redirected */ 105 u_int user_dma; /* DMA from user space in progress */ 106 u_short pntr_id; /* type code of pointing device */ 107 u_short duart_imask; /* shadowing for duart intrpt mask reg */ 108 u_short adder_ie; /* shadowing for adder intrpt enbl reg */ 109 u_short curs_acc; /* cursor acceleration factor */ 110 u_short curs_thr; /* cursor acceleration threshold level */ 111 u_short tab_res; /* tablet resolution factor */ 112 u_short selmask; /* mask for active qd select entries */ 113 }; 114 115 /* 116 * Softc struct to keep track of all states in this driver. 117 */ 118 struct qd_softc { 119 struct device sc_dev; 120 bus_space_tag_t sc_iot; 121 bus_space_handle_t sc_ioh; 122 bus_dma_tag_t sc_dmat; 123 }; 124 125 /* 126 * bit definitions for 'inuse' entry 127 */ 128 #define CONS_DEV 0x01 129 #define GRAPHIC_DEV 0x04 130 131 /* 132 * bit definitions for 'mapped' member of flag structure 133 */ 134 #define MAPDEV 0x01 /* hardware is mapped */ 135 #define MAPDMA 0x02 /* DMA buffer mapped */ 136 #define MAPEQ 0x04 /* event queue buffer mapped */ 137 #define MAPSCR 0x08 /* scroll param area mapped */ 138 #define MAPCOLOR 0x10 /* color map writing buffer mapped */ 139 140 /* 141 * constants used in shared memory operations 142 */ 143 #define EVENT_BUFSIZE 1024 /* # of bytes per device's event buffer */ 144 #define MAXEVENTS ( (EVENT_BUFSIZE - sizeof(struct qdinput)) \ 145 / sizeof(struct _vs_event) ) 146 #define DMA_BUFSIZ (1024 * 10) 147 #define COLOR_BUFSIZ ((sizeof(struct color_buf) + 512) & ~0x01FF) 148 149 /* 150 * reference to an array of "uba_device" structures built by the auto 151 * configuration program. The uba_device structure decribes the device 152 * sufficiently for the driver to talk to it. The auto configuration code 153 * fills in the uba_device structures (located in ioconf.c) from user 154 * maintained info. 155 */ 156 struct uba_device *qdinfo[NQD]; /* array of pntrs to each QDSS's */ 157 struct tty *qd_tty[NQD*4]; /* teletype structures for each.. */ 158 volatile char *qvmem[NQD]; 159 volatile struct pte *QVmap[NQD]; 160 #define CHUNK (64 * 1024) 161 #define QMEMSIZE (1024 * 1024 * 4) /* 4 meg */ 162 163 /* 164 * static storage used by multiple functions in this code 165 */ 166 int Qbus_unmap[NQD]; /* Qbus mapper release code */ 167 struct qdmap qdmap[NQD]; /* QDSS register map structure */ 168 struct qdflags qdflags[NQD]; /* QDSS register map structure */ 169 void *qdbase[NQD]; /* base address of each QDSS unit */ 170 struct buf qdbuf[NQD]; /* buf structs used by strategy */ 171 short qdopened[NQD]; /* graphics device is open exclusive use */ 172 173 /* 174 * the array "event_shared[]" is made up of a number of event queue buffers 175 * equal to the number of QDSS's configured into the running kernel (NQD). 176 * Each event queue buffer begins with an event queue header (struct qdinput) 177 * followed by a group of event queue entries (struct _vs_event). The array 178 * "*eq_header[]" is an array of pointers to the start of each event queue 179 * buffer in "event_shared[]". 180 */ 181 #define EQSIZE ((EVENT_BUFSIZE * NQD) + 512) 182 183 char event_shared[EQSIZE]; /* reserve space for event bufs */ 184 struct qdinput *eq_header[NQD]; /* event queue header pntrs */ 185 186 /* 187 * This allocation method reserves enough memory pages for NQD shared DMA I/O 188 * buffers. Each buffer must consume an integral number of memory pages to 189 * guarantee that a following buffer will begin on a page boundary. Also, 190 * enough space is allocated so that the FIRST I/O buffer can start at the 191 * 1st page boundary after "&DMA_shared". Page boundaries are used so that 192 * memory protections can be turned on/off for individual buffers. 193 */ 194 #define IOBUFSIZE ((DMA_BUFSIZ * NQD) + 512) 195 196 char DMA_shared[IOBUFSIZE]; /* reserve I/O buffer space */ 197 struct DMAreq_header *DMAheader[NQD]; /* DMA buffer header pntrs */ 198 199 /* 200 * The driver assists a client in scroll operations by loading dragon 201 * registers from an interrupt service routine. The loading is done using 202 * parameters found in memory shrade between the driver and it's client. 203 * The scroll parameter structures are ALL loacted in the same memory page 204 * for reasons of memory economy. 205 */ 206 char scroll_shared[2 * 512]; /* reserve space for scroll structs */ 207 struct scroll *scroll[NQD]; /* pointers to scroll structures */ 208 209 /* 210 * the driver is programmable to provide the user with color map write 211 * services at VSYNC interrupt time. At interrupt time the driver loads 212 * the color map with any user-requested load data found in shared memory 213 */ 214 #define COLOR_SHARED ((COLOR_BUFSIZ * NQD) + 512) 215 216 char color_shared[COLOR_SHARED]; /* reserve space: color bufs */ 217 struct color_buf *color_buf[NQD]; /* pointers to color bufs */ 218 219 /* 220 * mouse input event structures 221 */ 222 struct mouse_report last_rep[NQD]; 223 struct mouse_report current_rep[NQD]; 224 225 struct selinfo qdrsel[NQD]; /* process waiting for select */ 226 struct _vs_cursor cursor[NQD]; /* console cursor */ 227 int qdcount = 0; /* count of successfully probed qd's */ 228 int nNQD = NQD; 229 int DMAbuf_size = DMA_BUFSIZ; 230 int QDlast_DMAtype; /* type of the last DMA operation */ 231 232 /* 233 * macro to get system time. Used to time stamp event queue entries 234 */ 235 #define TOY ((time.tv_sec * 100) + (time.tv_usec / 10000)) 236 237 void qd_attach(struct device *, struct device *, void *); 238 static int qd_match(struct device *, struct cfdata *, void *); 239 240 static void qddint(void *); /* DMA gate array intrpt service */ 241 static void qdaint(void *); /* Dragon ADDER intrpt service */ 242 static void qdiint(void *); 243 244 #define QDPRIOR (PZERO-1) /* must be negative */ 245 #define FALSE 0 246 #ifdef TRUE 247 #undef TRUE 248 #endif 249 #define TRUE ~FALSE 250 #define BAD -1 251 #define GOOD 0 252 253 /* 254 * macro to create a system virtual page number from system virtual adrs 255 */ 256 #define VTOP(x) (((int)x & ~0xC0000000) >> VAX_PGSHIFT) 257 258 /* 259 * QDSS register address offsets from start of QDSS address space 260 */ 261 #define QDSIZE (52 * 1024) /* size of entire QDSS foot print */ 262 #define TMPSIZE (16 * 1024) /* template RAM is 8k SHORT WORDS */ 263 #define TMPSTART 0x8000 /* offset of template RAM from base adrs */ 264 #define REGSIZE (5 * 512) /* regs touch 2.5k (5 pages) of addr space */ 265 #define REGSTART 0xC000 /* offset of reg pages from base adrs */ 266 #define ADDER (REGSTART+0x000) 267 #define DGA (REGSTART+0x200) 268 #define DUART (REGSTART+0x400) 269 #define MEMCSR (REGSTART+0x800) 270 #define CLRSIZE (3 * 512) /* color map size */ 271 #define CLRSTART (REGSTART+0xA00) /* color map start offset from base */ 272 /* 0x0C00 really */ 273 #define RED (CLRSTART+0x000) 274 #define BLUE (CLRSTART+0x200) 275 #define GREEN (CLRSTART+0x400) 276 277 278 /* 279 * QDSS minor device numbers. The *real* minor device numbers are in 280 * the bottom two bits of the major/minor device spec. Bits 2 and up are 281 * used to specify the QDSS device number (ie: which one?) 282 */ 283 284 #define CONS 0 285 #define GRAPHIC 2 286 287 /* 288 * console cursor bitmap (white block cursor) 289 */ 290 short cons_cursor[32] = { 291 /* A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 292 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 293 /* B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 294 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF 295 }; 296 297 /* 298 * constants used in font operations 299 */ 300 #define CHARS 190 /* # of chars in the font */ 301 #define CHAR_HEIGHT 15 /* char height in pixels */ 302 #define CHAR_WIDTH 8 /* char width in pixels*/ 303 #define FONT_WIDTH (CHAR_WIDTH * CHARS) /* font width in pixels */ 304 #define ROWS CHAR_HEIGHT 305 #define FONT_X 0 /* font's off screen adrs */ 306 #define FONT_Y (2048 - CHAR_HEIGHT) 307 308 /* Offset to second row characters (XXX - should remove) */ 309 #define FONT_OFFSET ((MAX_SCREEN_X/CHAR_WIDTH)*CHAR_HEIGHT) 310 311 extern char q_font[]; /* reference font object code */ 312 extern u_short q_key[]; /* reference key xlation tables */ 313 extern u_short q_shift_key[]; 314 extern char *q_special[]; 315 316 /* 317 * definitions for cursor acceleration reporting 318 */ 319 #define ACC_OFF 0x01 /* acceleration is inactive */ 320 321 /* 322 * virtual console support. 323 */ 324 extern struct cdevsw *consops; 325 cons_decl(qd); 326 void setup_dragon(int); 327 void init_shared(int); 328 void clear_qd_screen(int); 329 void ldfont(int); 330 void ldcursor(int, short *); 331 void setup_input(int); 332 void blitc(int, u_char); 333 void scroll_up(volatile struct adder *); 334 void write_ID(volatile struct adder *, short, short); 335 int wait_status(volatile struct adder *, int); 336 void led_control(int, int, int); 337 void qdstart(struct tty *); 338 void qdearly(void); 339 int qdpolling = 0; 340 341 dev_type_open(qdopen); 342 dev_type_close(qdclose); 343 dev_type_read(qdread); 344 dev_type_write(qdwrite); 345 dev_type_ioctl(qdioctl); 346 dev_type_stop(qdstop); 347 dev_type_poll(qdpoll); 348 dev_type_kqfilter(qdkqfilter); 349 350 const struct cdevsw qd_cdevsw = { 351 qdopen, qdclose, qdread, qdwrite, qdioctl, 352 qdstop, notty, qdpoll, nommap, qdkqfilter, 353 }; 354 355 /* 356 * LK-201 state storage for input console keyboard conversion to ASCII 357 */ 358 struct q_keyboard { 359 int shift; /* state variables */ 360 int cntrl; 361 int lock; 362 int lastcode; /* last keycode typed */ 363 unsigned kup[8]; /* bits for each keycode*/ 364 unsigned dkeys[8]; /* down/up mode keys */ 365 char last; /* last character */ 366 } q_keyboard; 367 368 /* 369 * tty settings on first open 370 */ 371 #define IFLAG (BRKINT|ISTRIP|IXON|IXANY|ICRNL|IMAXBEL) 372 #define OFLAG (OPOST|OXTABS|ONLCR) 373 #define LFLAG (ISIG|ICANON|ECHO|IEXTEN) 374 #define CFLAG (PARENB|CREAD|CS7|CLOCAL) 375 376 /* 377 * Kernel virtual addresses where we can map in the QBUS io page and the 378 * QDSS memory during qdcninit. pmap_bootstrap fills this in. 379 */ 380 void *qd_ubaio; 381 382 /* This is the QDSS unit 0 CSR. It is hard-coded in here so that the 383 * QDSS can be used as the console. The console routines don't get 384 * any config info. The ROM also autodetects at this address, so 385 * the console QDSS should be at this address. Furthermore, nothing 386 * else shuld be at this address instead because that would confuse the 387 * ROM and this driver. 388 */ 389 #define QDSSCSR 0x1F00 390 391 volatile u_short *qdaddr; /* Virtual address for QDSS CSR */ 392 393 /* 394 * This flag is set to 1 if the console initialization (qdcninit) 395 * has been performed on qd0. That initialization is required and must 396 * be done before the device probe routine. 397 */ 398 int qd0cninited = 0, qd0iscons = 0; 399 400 /* 401 * Do early check if the qdss is console. If not; don't allocate 402 * any memory for it in bootstrap. 403 */ 404 void 405 qdearly() 406 { 407 extern vaddr_t virtual_avail; 408 int tmp; 409 410 /* Make sure we're running on a system that can have a QDSS */ 411 if (vax_boardtype == VAX_BTYP_630) { 412 /* Now check some undocumented flag */ 413 if ((*(int *)(0x200B801E) & 0x60) == 0) 414 /* The KA630 isn't using a QDSS as the console, 415 * so we won't either */ 416 return; 417 } else if (vax_boardtype != VAX_BTYP_650) 418 return; 419 420 /* How to check for console on KA650? We assume that if there is a 421 * QDSS, it is console. 422 */ 423 #define QIOPAGE 0x20000000 /* XXX */ 424 #define UBAIOPAGES 16 425 tmp = QIOPAGE + ubdevreg(QDSSCSR); 426 if (badaddr((void *)tmp, sizeof(short))) 427 return; 428 429 MAPVIRT(qvmem[0], 64 * 1024 * NQD / VAX_NBPG); 430 MAPVIRT(qd_ubaio, 16); 431 pmap_map((int)qd_ubaio, QIOPAGE, QIOPAGE + UBAIOPAGES * VAX_NBPG, 432 VM_PROT_READ|VM_PROT_WRITE); 433 qdaddr = (u_short *)((u_int)qd_ubaio + ubdevreg(QDSSCSR)); 434 qd0iscons = 1; 435 } 436 437 void 438 qdcnprobe(cndev) 439 struct consdev *cndev; 440 { 441 int i; 442 443 cndev->cn_pri = CN_DEAD; 444 445 if (mfpr(PR_MAPEN) == 0) 446 return; /* Cannot use qd if vm system is OFF */ 447 448 if (!qd0iscons) 449 return; 450 451 /* Find the console device corresponding to the console QDSS */ 452 cndev->cn_dev = makedev(cdevsw_lookup_major(&qd_cdevsw), 0); 453 cndev->cn_pri = CN_INTERNAL; 454 return; 455 } 456 457 458 /* 459 * Init QDSS as console (before probe routine) 460 */ 461 void 462 qdcninit(cndev) 463 struct consdev *cndev; 464 { 465 void *phys_adr; /* physical QDSS base adrs */ 466 u_int mapix; /* index into QVmap[] array */ 467 int unit; 468 469 /* qdaddr must point to CSR for this unit! */ 470 471 /* The console QDSS is QDSS unit 0 */ 472 unit = 0; 473 474 /* 475 * Map q-bus memory used by qdss. (separate map) 476 */ 477 mapix = QMEMSIZE - (CHUNK * (unit + 1)); 478 #define QMEM 0x30000000 479 (int)phys_adr = QMEM + mapix; 480 pmap_map((int)(qvmem[0]), (int)phys_adr, (int)(phys_adr + (CHUNK*NQD)), 481 VM_PROT_READ|VM_PROT_WRITE); 482 483 /* 484 * Set QVmap to point to page table entries for what we just 485 * mapped. 486 */ 487 QVmap[0] = (struct pte *)kvtopte(qvmem[0]); 488 489 /* 490 * tell QDSS which Q memory address base to decode 491 * (shifted right 16 bits - its in 64K units) 492 */ 493 *qdaddr = (u_short)((int)mapix >> 16); 494 qdflags[unit].config = *(u_short *)qdaddr; 495 496 /* 497 * load qdmap struct with the virtual addresses of the QDSS elements 498 */ 499 qdbase[unit] = (void *) (qvmem[0]); 500 qdmap[unit].template = qdbase[unit] + TMPSTART; 501 qdmap[unit].adder = qdbase[unit] + ADDER; 502 qdmap[unit].dga = qdbase[unit] + DGA; 503 qdmap[unit].duart = qdbase[unit] + DUART; 504 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 505 qdmap[unit].red = qdbase[unit] + RED; 506 qdmap[unit].blue = qdbase[unit] + BLUE; 507 qdmap[unit].green = qdbase[unit] + GREEN; 508 509 qdflags[unit].duart_imask = 0; /* init shadow variables */ 510 511 /* 512 * init the QDSS 513 */ 514 515 *(short *)qdmap[unit].memcsr |= SYNC_ON; /* once only: turn on sync */ 516 517 cursor[unit].x = 0; 518 cursor[unit].y = 0; 519 init_shared(unit); /* init shared memory */ 520 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 521 clear_qd_screen(unit); /* clear the screen */ 522 ldfont(unit); /* load the console font */ 523 ldcursor(unit, cons_cursor); /* load default cursor map */ 524 setup_input(unit); /* init the DUART */ 525 526 /* Set flag so probe knows */ 527 qd0cninited = 1; 528 } /* qdcninit */ 529 530 /* see <sys/device.h> */ 531 CFATTACH_DECL(qd, sizeof(struct qd_softc), 532 qd_match, qd_attach, NULL, NULL); 533 534 #define QD_RCSR(reg) \ 535 bus_space_read_2(sc->sc_iot, sc->sc_ioh, reg) 536 #define QD_WCSR(reg, val) \ 537 bus_space_write_2(sc->sc_iot, sc->sc_ioh, reg, val) 538 539 /* 540 * Configure QDSS into Q memory and make it intrpt. 541 * 542 * side effects: QDSS gets mapped into Qbus memory space at the first 543 * vacant 64kb boundary counting back from the top of 544 * Qbus memory space (qvmem+4mb) 545 * 546 * return: QDSS bus request level and vector address returned in 547 * registers by UNIX convention. 548 * 549 */ 550 static int 551 qd_match(parent, match, aux) 552 struct device *parent; 553 struct cfdata *match; 554 void *aux; 555 { 556 struct qd_softc ssc; 557 struct qd_softc *sc = &ssc; 558 struct uba_attach_args *ua = aux; 559 struct uba_softc *uh = (void *)parent; 560 int unit; 561 volatile struct dga *dga; /* pointer to gate array structure */ 562 int vector; 563 #ifdef notdef 564 int *ptep; /* page table entry pointer */ 565 void *phys_adr; /* physical QDSS base adrs */ 566 u_int mapix; 567 #endif 568 569 /* Create a "fake" softc with only a few fields used. */ 570 sc->sc_iot = ua->ua_iot; 571 sc->sc_ioh = ua->ua_ioh; 572 sc->sc_dmat = ua->ua_dmat; 573 /* 574 * calculate board unit number from I/O page register address 575 */ 576 unit = (int) (((int)sc->sc_ioh >> 1) & 0x0007); 577 578 /* 579 * QDSS regs must be mapped to Qbus memory space at a 64kb 580 * physical boundary. The Qbus memory space is mapped into 581 * the system memory space at config time. After config 582 * runs, "qvmem[0]" (ubavar.h) holds the system virtual adrs 583 * of the start of Qbus memory. The Qbus memory page table 584 * is found via an array of pte ptrs called "QVmap[]" (ubavar.h) 585 * which is also loaded at config time. These are the 586 * variables used below to find a vacant 64kb boundary in 587 * Qbus memory, and load it's corresponding physical adrs 588 * into the QDSS's I/O page CSR. 589 */ 590 591 /* 592 * Only if QD is the graphics device. 593 */ 594 595 /* if this QDSS is NOT the console, then do init here.. */ 596 597 if (unit != 0) { 598 printf("qd: can't support two qdss's (yet)\n"); 599 #ifdef notdef /* can't test */ 600 if (v_consputc != qdputc || unit != 0) { 601 602 /* 603 * read QDSS config info 604 */ 605 qdflags[unit].config = *(u_short *)reg; 606 607 /* 608 * find an empty 64kb adrs boundary 609 */ 610 611 qdbase[unit] = (void *) (qvmem[0] + QMEMSIZE - CHUNK); 612 613 /* 614 * find the cpusw entry that matches this machine. 615 */ 616 cpup = &cpusw[cpu]; 617 while (!(BADADDR(qdbase[unit], sizeof(short)))) 618 qdbase[unit] -= CHUNK; 619 620 /* 621 * tell QDSS which Q memory address base to decode 622 */ 623 mapix = (int) (VTOP(qdbase[unit]) - VTOP(qvmem[0])); 624 ptep = (int *) QVmap[0] + mapix; 625 phys_adr = (void *)(((int)*ptep&0x001FFFFF)<<VAX_PGSHIFT); 626 *(u_short *)reg = (u_short) ((int)phys_adr >> 16); 627 628 /* 629 * load QDSS adrs map with system addresses 630 * of device regs 631 */ 632 qdmap[unit].template = qdbase[unit] + TMPSTART; 633 qdmap[unit].adder = qdbase[unit] + ADDER; 634 qdmap[unit].dga = qdbase[unit] + DGA; 635 qdmap[unit].duart = qdbase[unit] + DUART; 636 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 637 qdmap[unit].red = qdbase[unit] + RED; 638 qdmap[unit].blue = qdbase[unit] + BLUE; 639 qdmap[unit].green = qdbase[unit] + GREEN; 640 641 /* device init */ 642 643 cursor[unit].x = 0; 644 cursor[unit].y = 0; 645 init_shared(unit); /* init shared memory */ 646 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 647 ldcursor(unit, cons_cursor); /* load default cursor map */ 648 setup_input(unit); /* init the DUART */ 649 clear_qd_screen(unit); 650 ldfont(unit); /* load the console font */ 651 652 /* once only: turn on sync */ 653 654 *(short *)qdmap[unit].memcsr |= SYNC_ON; 655 } 656 #endif /*notdef*/ 657 } else { 658 /* We are dealing with qd0 */ 659 660 if (!qd0cninited) { 661 /* 662 * qd0 has not been initiallized as the console. 663 * We need to do some initialization now 664 * 665 * XXX 666 * However, if the QDSS is not the console then 667 * that stupid undocumented bit (see qdcnprobe) 668 * is cleared. Then the QDSS refuses to work. 669 * (What did the ROM do to it!?) 670 * XXX 671 */ 672 return 0; 673 674 #if 0 675 qdaddr = (void *)reg; 676 677 /* Lame probe for QDSS. Should be ok for qd0 */ 678 if (badaddr((void *)qdaddr, sizeof(short))) 679 return 0; 680 681 qdcninit(NULL); 682 #endif 683 } 684 } 685 686 687 /* 688 * The QDSS interrupts at HEX vectors xx0 (DMA) xx4 689 * (ADDER) and xx8 (DUART). Therefore, we take three 690 * vectors from the vector pool, and then continue 691 * to take them until we get a xx0 HEX vector. The 692 * pool provides vectors in contiguous decending 693 * order. 694 */ 695 696 vector = (uh->uh_lastiv -= 4*3); /* take three vectors */ 697 698 while (vector & 0x0F) { /* if lo nibble != 0.. */ 699 /* ..take another vector */ 700 vector = (uh->uh_lastiv -= 4); 701 } 702 703 /* 704 * setup DGA to do a DMA interrupt (transfer count = 0) 705 */ 706 dga = (struct dga *) qdmap[unit].dga; 707 dga->csr = (short) HALT; /* disable everything */ 708 dga->ivr = (short) vector; /* load intrpt base vector */ 709 dga->bytcnt_lo = (short) 0; /* DMA xfer count = 0 */ 710 dga->bytcnt_hi = (short) 0; 711 712 /* 713 * turn on DMA interrupts 714 */ 715 dga->csr &= ~SET_DONE_FIFO; 716 dga->csr |= DMA_IE | DL_ENB; 717 718 DELAY(20000); /* wait for the intrpt */ 719 dga->csr = HALT; /* stop the wheels */ 720 721 /* 722 * score this as an existing qdss 723 */ 724 qdcount++; 725 726 return 1; 727 } /* qdprobe */ 728 729 730 void qd_attach(parent, self, aux) 731 struct device *parent, *self; 732 void *aux; 733 { 734 struct uba_attach_args *ua = aux; 735 int unit; /* QDSS module # for this call */ 736 737 printf("\n"); 738 739 unit = device_unit(self); /* get QDSS number */ 740 741 /* Set interrupt vectors for interrupt handlers */ 742 743 uba_intr_establish(ua->ua_icookie, ua->ua_cvec , qddint, self); 744 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 4, qdaint, self); 745 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 8, qdiint, self); 746 747 /* 748 * init "qdflags[]" for this QDSS 749 */ 750 qdflags[unit].inuse = 0; /* init inuse variable EARLY! */ 751 qdflags[unit].mapped = 0; 752 qdflags[unit].kernel_loop = -1; 753 qdflags[unit].user_dma = 0; 754 qdflags[unit].curs_acc = ACC_OFF; 755 qdflags[unit].curs_thr = 128; 756 qdflags[unit].tab_res = 2; /* default tablet resolution factor */ 757 qdflags[unit].duart_imask = 0; /* init shadow variables */ 758 qdflags[unit].adder_ie = 0; 759 760 /* 761 * init structures used in kbd/mouse interrupt service. This code must 762 * come after the "init_shared()" routine has run since that routine 763 * inits the eq_header[unit] structure used here. 764 */ 765 766 /* 767 * init the "latest mouse report" structure 768 */ 769 last_rep[unit].state = 0; 770 last_rep[unit].dx = 0; 771 last_rep[unit].dy = 0; 772 last_rep[unit].bytcnt = 0; 773 774 /* 775 * init the event queue (except mouse position) 776 */ 777 eq_header[unit]->header.events = 778 (struct _vs_event *)((int)eq_header[unit] + sizeof(struct qdinput)); 779 780 eq_header[unit]->header.size = MAXEVENTS; 781 eq_header[unit]->header.head = 0; 782 eq_header[unit]->header.tail = 0; 783 784 /* 785 * open exclusive for graphics device. 786 */ 787 qdopened[unit] = 0; 788 789 } /* qdattach */ 790 791 792 /*ARGSUSED*/ 793 int 794 qdopen(dev, flag, mode, p) 795 dev_t dev; 796 int flag, mode; 797 struct proc *p; 798 { 799 volatile struct dga *dga; /* ptr to gate array struct */ 800 struct tty *tp; 801 volatile struct duart *duart; 802 int unit; 803 int minor_dev; 804 805 minor_dev = minor(dev); /* get QDSS minor device number */ 806 unit = minor_dev >> 2; 807 808 /* 809 * check for illegal conditions 810 */ 811 if (unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[unit] == NULL) 812 return (ENXIO); /* no such device or address */ 813 814 duart = (struct duart *) qdmap[unit].duart; 815 dga = (struct dga *) qdmap[unit].dga; 816 817 if ((minor_dev & 0x03) == 2) { 818 /* 819 * this is the graphic device... 820 */ 821 if (qdopened[unit] != 0) 822 return(EBUSY); 823 else 824 qdopened[unit] = 1; 825 qdflags[unit].inuse |= GRAPHIC_DEV; /* graphics dev is open */ 826 /* 827 * enble kbd & mouse intrpts in DUART mask reg 828 */ 829 qdflags[unit].duart_imask |= 0x22; 830 duart->imask = qdflags[unit].duart_imask; 831 } else { 832 /* Only one console */ 833 if (minor_dev) return ENXIO; 834 835 /* If not done already, allocate tty structure */ 836 if (qd_tty[minor_dev] == NULL) 837 qd_tty[minor_dev] = ttymalloc(); 838 839 if (qd_tty[minor_dev] == NULL) 840 return ENXIO; 841 842 /* 843 * this is the console 844 */ 845 qdflags[unit].inuse |= CONS_DEV; /* mark console as open */ 846 dga->csr |= CURS_ENB; 847 qdflags[unit].duart_imask |= 0x02; 848 duart->imask = qdflags[unit].duart_imask; 849 /* 850 * some setup for tty handling 851 */ 852 tp = qd_tty[minor_dev]; 853 /* tp->t_addr = ui->ui_addr; */ 854 tp->t_oproc = qdstart; 855 tp->t_dev = dev; 856 if ((tp->t_state & TS_ISOPEN) == 0) { 857 ttychars(tp); 858 tp->t_ispeed = B9600; 859 tp->t_ospeed = B9600; 860 tp->t_state = TS_ISOPEN | TS_CARR_ON; 861 tp->t_iflag = TTYDEF_IFLAG; 862 tp->t_oflag = TTYDEF_OFLAG; 863 tp->t_lflag = TTYDEF_LFLAG; 864 tp->t_cflag = TTYDEF_CFLAG; 865 ttsetwater(tp); 866 } 867 /* 868 * enable intrpts, open line discipline 869 */ 870 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 871 return ((*tp->t_linesw->l_open)(dev, tp)); 872 } 873 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 874 return(0); 875 876 } /* qdopen */ 877 878 /*ARGSUSED*/ 879 int 880 qdclose(dev, flag, mode, p) 881 dev_t dev; 882 int flag, mode; 883 struct proc *p; 884 { 885 struct tty *tp; 886 struct qdmap *qd; 887 volatile int *ptep; 888 volatile struct dga *dga; /* gate array register map pointer */ 889 volatile struct duart *duart; 890 volatile struct adder *adder; 891 int unit; 892 int minor_dev; 893 u_int mapix; 894 int i; /* SIGNED index */ 895 struct uba_softc *uh; 896 897 minor_dev = minor(dev); /* get minor device number */ 898 unit = minor_dev >> 2; /* get QDSS number */ 899 qd = &qdmap[unit]; 900 901 uh = (struct uba_softc *) 902 device_parent((struct device *)(qd_cd.cd_devs[unit])); 903 904 905 if ((minor_dev & 0x03) == 2) { 906 /* 907 * this is the graphic device... 908 */ 909 if (qdopened[unit] != 1) 910 return(EBUSY); 911 else 912 qdopened[unit] = 0; /* allow it to be re-opened */ 913 /* 914 * re-protect device memory 915 */ 916 if (qdflags[unit].mapped & MAPDEV) { 917 /* 918 * TEMPLATE RAM 919 */ 920 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 921 ptep = (int *)(QVmap[0] + mapix); 922 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 923 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 924 /* 925 * ADDER 926 */ 927 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 928 ptep = (int *)(QVmap[0] + mapix); 929 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 930 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 931 /* 932 * COLOR MAPS 933 */ 934 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 935 ptep = (int *)(QVmap[0] + mapix); 936 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 937 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 938 } 939 940 /* 941 * re-protect DMA buffer and free the map registers 942 */ 943 if (qdflags[unit].mapped & MAPDMA) { 944 panic("Unmapping unmapped buffer"); 945 #ifdef notyet 946 /* 947 * Ragge 990620: 948 * Can't happen because the buffer can't be mapped. 949 */ 950 dga = (struct dga *) qdmap[unit].dga; 951 adder = (struct adder *) qdmap[unit].adder; 952 dga->csr &= ~DMA_IE; 953 dga->csr &= ~0x0600; /* kill DMA */ 954 adder->command = CANCEL; 955 /* 956 * if DMA was running, flush spurious intrpt 957 */ 958 if (dga->bytcnt_lo != 0) { 959 dga->bytcnt_lo = 0; 960 dga->bytcnt_hi = 0; 961 DMA_SETIGNORE(DMAheader[unit]); 962 dga->csr |= DMA_IE; 963 dga->csr &= ~DMA_IE; 964 } 965 ptep = (int *) 966 ((VTOP(DMAheader[unit]*4)) + (mfpr(PR_SBR)|0x80000000)); 967 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 968 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 969 ubarelse(uh, &Qbus_unmap[unit]); 970 #endif 971 } 972 973 /* 974 * re-protect 1K (2 pages) event queue 975 */ 976 if (qdflags[unit].mapped & MAPEQ) { 977 ptep = (int *) 978 ((VTOP(eq_header[unit])*4) + (mfpr(PR_SBR)|0x80000000)); 979 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 980 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 981 } 982 /* 983 * re-protect scroll param area and disable scroll intrpts 984 */ 985 if (qdflags[unit].mapped & MAPSCR) { 986 ptep = (int *) ((VTOP(scroll[unit]) * 4) 987 + (mfpr(PR_SBR) | 0x80000000)); 988 /* 989 * re-protect 512 scroll param area 990 */ 991 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 992 adder = (struct adder *) qdmap[unit].adder; 993 qdflags[unit].adder_ie &= ~FRAME_SYNC; 994 adder->interrupt_enable = qdflags[unit].adder_ie; 995 } 996 /* 997 * re-protect color map write buffer area and kill intrpts 998 */ 999 if (qdflags[unit].mapped & MAPCOLOR) { 1000 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1001 + (mfpr(PR_SBR) | 0x80000000)); 1002 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1003 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1004 color_buf[unit]->status = 0; 1005 adder = (struct adder *) qdmap[unit].adder; 1006 qdflags[unit].adder_ie &= ~VSYNC; 1007 adder->interrupt_enable = qdflags[unit].adder_ie; 1008 } 1009 mtpr(0, PR_TBIA); 1010 /* flag everything now unmapped */ 1011 qdflags[unit].mapped = 0; 1012 qdflags[unit].inuse &= ~GRAPHIC_DEV; 1013 qdflags[unit].curs_acc = ACC_OFF; 1014 qdflags[unit].curs_thr = 128; 1015 /* 1016 * restore the console 1017 */ 1018 dga = (struct dga *) qdmap[unit].dga; 1019 adder = (struct adder *) qdmap[unit].adder; 1020 dga->csr &= ~DMA_IE; 1021 dga->csr &= ~0x0600; /* halt the DMA! (just in case...) */ 1022 dga->csr |= DMA_ERR; /* clear error condition */ 1023 adder->command = CANCEL; 1024 /* 1025 * if DMA was running, flush spurious intrpt 1026 */ 1027 if (dga->bytcnt_lo != 0) { 1028 dga->bytcnt_lo = 0; 1029 dga->bytcnt_hi = 0; 1030 DMA_SETIGNORE(DMAheader[unit]); 1031 dga->csr |= DMA_IE; 1032 dga->csr &= ~DMA_IE; 1033 } 1034 init_shared(unit); /* init shared memory */ 1035 setup_dragon(unit); /* init ADDER/VIPER */ 1036 ldcursor(unit, cons_cursor); /* load default cursor map */ 1037 setup_input(unit); /* init the DUART */ 1038 ldfont(unit); 1039 cursor[unit].x = 0; 1040 cursor[unit].y = 0; 1041 /* 1042 * shut off the mouse rcv intrpt and turn on kbd intrpts 1043 */ 1044 duart = (struct duart *) qdmap[unit].duart; 1045 qdflags[unit].duart_imask &= ~(0x20); 1046 qdflags[unit].duart_imask |= 0x02; 1047 duart->imask = qdflags[unit].duart_imask; 1048 /* 1049 * shut off interrupts if all is closed 1050 */ 1051 if (!(qdflags[unit].inuse & CONS_DEV)) { 1052 dga = (struct dga *) qdmap[unit].dga; 1053 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1054 } 1055 } else { 1056 /* 1057 * this is the console 1058 */ 1059 tp = qd_tty[minor_dev]; 1060 (*tp->t_linesw->l_close)(tp, flag); 1061 ttyclose(tp); 1062 tp->t_state = 0; 1063 qdflags[unit].inuse &= ~CONS_DEV; 1064 /* 1065 * if graphics device is closed, kill interrupts 1066 */ 1067 if (!(qdflags[unit].inuse & GRAPHIC_DEV)) { 1068 dga = (struct dga *) qdmap[unit].dga; 1069 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1070 } 1071 } 1072 1073 return(0); 1074 1075 } /* qdclose */ 1076 1077 int 1078 qdioctl(dev, cmd, datap, flags, p) 1079 dev_t dev; 1080 u_long cmd; 1081 void *datap; 1082 int flags; 1083 struct proc *p; 1084 { 1085 volatile int *ptep; /* page table entry pointer */ 1086 int mapix; /* QVmap[] page table index */ 1087 struct _vs_event *event; 1088 struct tty *tp; 1089 int i; 1090 struct qdmap *qd; /* pointer to device map struct */ 1091 volatile struct dga *dga; /* Gate Array reg structure pntr */ 1092 volatile struct duart *duart; /* DUART reg structure pointer */ 1093 volatile struct adder *adder; /* ADDER reg structure pointer */ 1094 struct prgkbd *cmdbuf; 1095 struct prg_cursor *curs; 1096 struct _vs_cursor *pos; 1097 int unit = minor(dev) >> 2; /* number of caller's QDSS */ 1098 u_int minor_dev = minor(dev); 1099 int error; 1100 int s; 1101 short *temp; /* a pointer to template RAM */ 1102 struct uba_softc *uh; 1103 1104 uh = (struct uba_softc *) 1105 device_parent((struct device *)(qd_cd.cd_devs[unit])); 1106 1107 /* 1108 * service graphic device ioctl commands 1109 */ 1110 switch (cmd) { 1111 1112 case QD_GETEVENT: 1113 /* 1114 * extract the oldest event from the event queue 1115 */ 1116 if (ISEMPTY(eq_header[unit])) { 1117 event = (struct _vs_event *) datap; 1118 event->vse_device = VSE_NULL; 1119 break; 1120 } 1121 event = (struct _vs_event *) GETBEGIN(eq_header[unit]); 1122 s = spl5(); 1123 GETEND(eq_header[unit]); 1124 splx(s); 1125 bcopy((void *)event, datap, sizeof(struct _vs_event)); 1126 break; 1127 1128 case QD_RESET: 1129 /* 1130 * init the dragon stuff, DUART, and driver variables 1131 */ 1132 init_shared(unit); /* init shared memory */ 1133 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 1134 clear_qd_screen(unit); 1135 ldcursor(unit, cons_cursor); /* load default cursor map */ 1136 ldfont(unit); /* load the console font */ 1137 setup_input(unit); /* init the DUART */ 1138 break; 1139 1140 case QD_SET: 1141 /* 1142 * init the DUART and driver variables 1143 */ 1144 init_shared(unit); 1145 setup_input(unit); 1146 break; 1147 1148 case QD_CLRSCRN: 1149 /* 1150 * clear the QDSS screen. (NOTE that this reinits the dragon) 1151 */ 1152 #ifdef notdef /* has caused problems and isn't necessary */ 1153 setup_dragon(unit); 1154 clear_qd_screen(unit); 1155 #endif 1156 break; 1157 1158 case QD_WTCURSOR: 1159 /* 1160 * load a cursor into template RAM 1161 */ 1162 ldcursor(unit, (short *)datap); 1163 break; 1164 1165 case QD_RDCURSOR: 1166 1167 temp = (short *) qdmap[unit].template; 1168 /* 1169 * cursor is 32 WORDS from the end of the 8k WORD... 1170 * ...template space 1171 */ 1172 temp += (8 * 1024) - 32; 1173 for (i = 0; i < 32; ++i, datap += sizeof(short)) 1174 *(short *)datap = *temp++; 1175 break; 1176 1177 case QD_POSCURSOR: 1178 /* 1179 * position the mouse cursor 1180 */ 1181 dga = (struct dga *) qdmap[unit].dga; 1182 pos = (struct _vs_cursor *) datap; 1183 s = spl5(); 1184 dga->x_cursor = TRANX(pos->x); 1185 dga->y_cursor = TRANY(pos->y); 1186 eq_header[unit]->curs_pos.x = pos->x; 1187 eq_header[unit]->curs_pos.y = pos->y; 1188 splx(s); 1189 break; 1190 1191 case QD_PRGCURSOR: 1192 /* 1193 * set the cursor acceleration factor 1194 */ 1195 curs = (struct prg_cursor *) datap; 1196 s = spl5(); 1197 qdflags[unit].curs_acc = curs->acc_factor; 1198 qdflags[unit].curs_thr = curs->threshold; 1199 splx(s); 1200 break; 1201 1202 case QD_MAPDEVICE: 1203 /* 1204 * enable 'user write' to device pages 1205 */ 1206 qdflags[unit].mapped |= MAPDEV; 1207 qd = (struct qdmap *) &qdmap[unit]; 1208 /* 1209 * enable user write to template RAM 1210 */ 1211 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 1212 ptep = (int *)(QVmap[0] + mapix); 1213 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 1214 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1215 1216 /* 1217 * enable user write to registers 1218 */ 1219 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 1220 ptep = (int *)(QVmap[0] + mapix); 1221 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 1222 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1223 1224 /* 1225 * enable user write to color maps 1226 */ 1227 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 1228 ptep = (int *)(QVmap[0] + mapix); 1229 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 1230 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1231 1232 /* 1233 * enable user write to DUART 1234 */ 1235 mapix = VTOP((int)qd->duart) - VTOP(qvmem[0]); 1236 ptep = (int *)(QVmap[0] + mapix); 1237 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; /* duart page */ 1238 1239 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1240 1241 /* 1242 * stuff qdmap structure in return buffer 1243 */ 1244 bcopy((void *)qd, datap, sizeof(struct qdmap)); 1245 1246 break; 1247 1248 #ifdef notyet 1249 /* 1250 * Ragge 999620: 1251 * Can't map in the graphic buffer into user space for now. 1252 * The best way to fix this is to convert this driver to wscons. 1253 */ 1254 case QD_MAPIOBUF: 1255 /* 1256 * do setup for DMA by user process 1257 * 1258 * set 'user write enable' bits for DMA buffer 1259 */ 1260 qdflags[unit].mapped |= MAPDMA; 1261 ptep = (int *) ((VTOP(DMAheader[unit]) * 4) 1262 + (mfpr(PR_SBR) | 0x80000000)); 1263 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 1264 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1265 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1266 /* 1267 * set up QBUS map registers for DMA 1268 */ 1269 DMAheader[unit]->QBAreg = 1270 uballoc(uh, (void *)DMAheader[unit], DMAbuf_size, 0); 1271 if (DMAheader[unit]->QBAreg == 0) 1272 printf("qd%d: qdioctl: QBA setup error\n", unit); 1273 Qbus_unmap[unit] = DMAheader[unit]->QBAreg; 1274 DMAheader[unit]->QBAreg &= 0x3FFFF; 1275 /* 1276 * return I/O buf adr 1277 */ 1278 *(int *)datap = (int) DMAheader[unit]; 1279 break; 1280 #endif 1281 1282 case QD_MAPSCROLL: 1283 /* 1284 * map the shared scroll param area and enable scroll interpts 1285 */ 1286 qdflags[unit].mapped |= MAPSCR; 1287 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1288 + (mfpr(PR_SBR) | 0x80000000)); 1289 /* 1290 * allow user write to scroll area 1291 */ 1292 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1293 mtpr(0, PR_TBIA); /* invalidate translation buf */ 1294 scroll[unit]->status = 0; 1295 adder = (struct adder *) qdmap[unit].adder; 1296 qdflags[unit].adder_ie |= FRAME_SYNC; 1297 adder->interrupt_enable = qdflags[unit].adder_ie; 1298 *(int *)datap = (int) scroll[unit]; /* return scroll area */ 1299 break; 1300 1301 case QD_UNMAPSCROLL: 1302 /* 1303 * unmap shared scroll param area and disable scroll intrpts 1304 */ 1305 if (qdflags[unit].mapped & MAPSCR) { 1306 qdflags[unit].mapped &= ~MAPSCR; 1307 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1308 + (mfpr(PR_SBR) | 0x80000000)); 1309 /* 1310 * re-protect 512 scroll param area 1311 */ 1312 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1313 mtpr(0, PR_TBIA); /* smash CPU's translation buf */ 1314 adder = (struct adder *) qdmap[unit].adder; 1315 qdflags[unit].adder_ie &= ~FRAME_SYNC; 1316 adder->interrupt_enable = qdflags[unit].adder_ie; 1317 } 1318 break; 1319 1320 case QD_MAPCOLOR: 1321 /* 1322 * map shared color map write buf and turn on vsync intrpt 1323 */ 1324 qdflags[unit].mapped |= MAPCOLOR; 1325 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1326 + (mfpr(PR_SBR) | 0x80000000)); 1327 /* 1328 * allow user write to color map write buffer 1329 */ 1330 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1331 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1332 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1333 adder = (struct adder *) qdmap[unit].adder; 1334 qdflags[unit].adder_ie |= VSYNC; 1335 adder->interrupt_enable = qdflags[unit].adder_ie; 1336 /* 1337 * return color area address 1338 */ 1339 *(int *)datap = (int) color_buf[unit]; 1340 break; 1341 1342 case QD_UNMAPCOLOR: 1343 /* 1344 * unmap shared color map write buffer and kill VSYNC intrpts 1345 */ 1346 if (qdflags[unit].mapped & MAPCOLOR) { 1347 qdflags[unit].mapped &= ~MAPCOLOR; 1348 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1349 + (mfpr(PR_SBR) | 0x80000000)); 1350 /* 1351 * re-protect color map write buffer 1352 */ 1353 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1354 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1355 mtpr(0, PR_TBIA); 1356 adder = (struct adder *) qdmap[unit].adder; 1357 qdflags[unit].adder_ie &= ~VSYNC; 1358 adder->interrupt_enable = qdflags[unit].adder_ie; 1359 } 1360 break; 1361 1362 case QD_MAPEVENT: 1363 /* 1364 * give user write access to the event queue 1365 */ 1366 qdflags[unit].mapped |= MAPEQ; 1367 ptep = (int *) ((VTOP(eq_header[unit]) * 4) 1368 + (mfpr(PR_SBR) | 0x80000000)); 1369 /* 1370 * allow user write to 1K event queue 1371 */ 1372 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1373 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1374 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1375 /* 1376 * return event queue address 1377 */ 1378 *(int *)datap = (int)eq_header[unit]; 1379 break; 1380 1381 case QD_PRGKBD: 1382 /* 1383 * pass caller's programming commands to LK201 1384 */ 1385 duart = (struct duart *)qdmap[unit].duart; 1386 cmdbuf = (struct prgkbd *)datap; /* pnt to kbd cmd buf */ 1387 /* 1388 * send command 1389 */ 1390 for (i = 1000; i > 0; --i) { 1391 if (duart->statusA&XMT_RDY) { 1392 duart->dataA = cmdbuf->cmd; 1393 break; 1394 } 1395 } 1396 if (i == 0) { 1397 printf("qd%d: qdioctl: timeout on XMT_RDY [1]\n", unit); 1398 break; 1399 } 1400 /* 1401 * send param1? 1402 */ 1403 if (cmdbuf->cmd & LAST_PARAM) 1404 break; 1405 for (i = 1000; i > 0; --i) { 1406 if (duart->statusA&XMT_RDY) { 1407 duart->dataA = cmdbuf->param1; 1408 break; 1409 } 1410 } 1411 if (i == 0) { 1412 printf("qd%d: qdioctl: timeout on XMT_RDY [2]\n", unit); 1413 break; 1414 } 1415 /* 1416 * send param2? 1417 */ 1418 if (cmdbuf->param1 & LAST_PARAM) 1419 break; 1420 for (i = 1000; i > 0; --i) { 1421 if (duart->statusA&XMT_RDY) { 1422 duart->dataA = cmdbuf->param2; 1423 break; 1424 } 1425 } 1426 if (i == 0) { 1427 printf("qd%d: qdioctl: timeout on XMT_RDY [3]\n", unit); 1428 break; 1429 } 1430 break; 1431 1432 case QD_PRGMOUSE: 1433 /* 1434 * pass caller's programming commands to the mouse 1435 */ 1436 duart = (struct duart *) qdmap[unit].duart; 1437 for (i = 1000; i > 0; --i) { 1438 if (duart->statusB&XMT_RDY) { 1439 duart->dataB = *datap; 1440 break; 1441 } 1442 } 1443 if (i == 0) { 1444 printf("qd%d: qdioctl: timeout on XMT_RDY [4]\n", unit); 1445 } 1446 break; 1447 1448 case QD_RDCONFIG: 1449 /* 1450 * get QDSS configuration word and return it 1451 */ 1452 *(short *)datap = qdflags[unit].config; 1453 break; 1454 1455 case QD_KERN_LOOP: 1456 case QD_KERN_UNLOOP: 1457 /* 1458 * vestige from ultrix. BSD uses TIOCCONS to redirect 1459 * kernel console output. 1460 */ 1461 break; 1462 1463 case QD_PRGTABLET: 1464 /* 1465 * program the tablet 1466 */ 1467 duart = (struct duart *) qdmap[unit].duart; 1468 for (i = 1000; i > 0; --i) { 1469 if (duart->statusB&XMT_RDY) { 1470 duart->dataB = *datap; 1471 break; 1472 } 1473 } 1474 if (i == 0) { 1475 printf("qd%d: qdioctl: timeout on XMT_RDY [5]\n", unit); 1476 } 1477 break; 1478 1479 case QD_PRGTABRES: 1480 /* 1481 * program the tablet report resolution factor 1482 */ 1483 qdflags[unit].tab_res = *(short *)datap; 1484 break; 1485 1486 default: 1487 /* 1488 * service tty ioctl's 1489 */ 1490 if (!(minor_dev & 0x02)) { 1491 tp = qd_tty[minor_dev]; 1492 error = 1493 1494 (*tp->t_linesw->l_ioctl)(tp, cmd, datap, flags, p); 1495 if (error != EPASSTHROUGH) { 1496 return(error); 1497 } 1498 return ttioctl(tp, cmd, datap, flags, p); 1499 } 1500 break; 1501 } 1502 1503 return(0); 1504 1505 } /* qdioctl */ 1506 1507 1508 int 1509 qdpoll(dev, events, p) 1510 dev_t dev; 1511 int events; 1512 struct proc *p; 1513 { 1514 int s; 1515 int unit; 1516 struct tty *tp; 1517 u_int minor_dev = minor(dev); 1518 int revents = 0; 1519 1520 s = spl5(); 1521 unit = minor_dev >> 2; 1522 1523 if ((minor_dev & 0x03) == 2) { 1524 /* 1525 * This is a graphics device, so check for events. 1526 */ 1527 1528 if (events & (POLLIN | POLLRDNORM)) 1529 if(!(ISEMPTY(eq_header[unit]))) 1530 revents |= events & (POLLIN | POLLRDNORM); 1531 1532 if (events & (POLLOUT | POLLWRNORM)) 1533 if (DMA_ISEMPTY(DMAheader[unit])) 1534 revents |= events & (POLLOUT | POLLWRNORM); 1535 1536 if (revents == 0) { 1537 if (events & (POLLIN | POLLRDNORM)) 1538 selrecord(p, &qdrsel[unit]); 1539 1540 if (events & (POLLOUT | POLLWRNORM)) 1541 selrecord(p, &qdrsel[unit]); 1542 } 1543 } else { 1544 /* 1545 * this is a tty device 1546 */ 1547 tp = qd_tty[minor_dev]; 1548 revents = (*tp->t_linesw->l_poll)(tp, events, p); 1549 } 1550 1551 splx(s); 1552 return (revents); 1553 } /* qdpoll() */ 1554 1555 static void 1556 filt_qdrdetach(struct knote *kn) 1557 { 1558 dev_t dev = (intptr_t) kn->kn_hook; 1559 u_int minor_dev = minor(dev); 1560 int unit = minor_dev >> 2; 1561 int s; 1562 1563 s = spl5(); 1564 SLIST_REMOVE(&qdrsel[unit].sel_klist, kn, knote, kn_selnext); 1565 splx(s); 1566 } 1567 1568 static int 1569 filt_qdread(struct knote *kn, long hint) 1570 { 1571 dev_t dev = (intptr_t) kn->kn_hook; 1572 u_int minor_dev = minor(dev); 1573 int unit = minor_dev >> 2; 1574 1575 if (ISEMPTY(eq_header[unit])) 1576 return (0); 1577 1578 kn->kn_data = 0; /* XXXLUKEM (thorpej): what to put here? */ 1579 return (1); 1580 } 1581 1582 static int 1583 filt_qdwrite(struct knote *kn, long hint) 1584 { 1585 dev_t dev = (intptr_t) kn->kn_hook; 1586 u_int minor_dev = minor(dev); 1587 int unit = minor_dev >> 2; 1588 1589 if (! DMA_ISEMPTY(DMAheader[unit])) 1590 return (0); 1591 1592 kn->kn_data = 0; /* XXXLUKEM (thorpej): what to put here? */ 1593 return (1); 1594 } 1595 1596 static const struct filterops qdread_filtops = 1597 { 1, NULL, filt_qdrdetach, filt_qdread }; 1598 1599 static const struct filterops qdwrite_filtops = 1600 { 1, NULL, filt_qdrdetach, filt_qdwrite }; 1601 1602 int 1603 qdkqfilter(dev_t dev, struct knote *kn) 1604 { 1605 struct klist *klist; 1606 u_int minor_dev = minor(dev); 1607 int s, unit = minor_dev >> 2; 1608 1609 if ((minor_dev & 0x03) != 2) { 1610 /* TTY device. */ 1611 return (ttykqfilter(dev, kn)); 1612 } 1613 1614 switch (kn->kn_filter) { 1615 case EVFILT_READ: 1616 klist = &qdrsel[unit].sel_klist; 1617 kn->kn_fop = &qdread_filtops; 1618 break; 1619 1620 case EVFILT_WRITE: 1621 klist = &qdrsel[unit].sel_klist; 1622 kn->kn_fop = &qdwrite_filtops; 1623 break; 1624 1625 default: 1626 return (EINVAL); 1627 } 1628 1629 kn->kn_hook = (void *)(intptr_t) dev; 1630 1631 s = spl5(); 1632 SLIST_INSERT_HEAD(klist, kn, kn_selnext); 1633 splx(s); 1634 1635 return (0); 1636 } 1637 1638 void qd_strategy(struct buf *bp); 1639 1640 /*ARGSUSED*/ 1641 int 1642 qdwrite(dev, uio, flag) 1643 dev_t dev; 1644 struct uio *uio; 1645 int flag; 1646 { 1647 struct tty *tp; 1648 int minor_dev; 1649 int unit; 1650 1651 minor_dev = minor(dev); 1652 unit = (minor_dev >> 2) & 0x07; 1653 1654 if (((minor_dev&0x03) != 0x02) && (qdflags[unit].inuse&CONS_DEV)) { 1655 /* 1656 * this is the console... 1657 */ 1658 tp = qd_tty[minor_dev]; 1659 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 1660 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1661 /* 1662 * this is a DMA xfer from user space 1663 */ 1664 return (physio(qd_strategy, &qdbuf[unit], 1665 dev, B_WRITE, minphys, uio)); 1666 } 1667 return (ENXIO); 1668 } 1669 1670 /*ARGSUSED*/ 1671 int 1672 qdread(dev, uio, flag) 1673 dev_t dev; 1674 struct uio *uio; 1675 int flag; 1676 { 1677 struct tty *tp; 1678 int minor_dev; 1679 int unit; 1680 1681 minor_dev = minor(dev); 1682 unit = (minor_dev >> 2) & 0x07; 1683 1684 if ((minor_dev & 0x03) != 0x02 && qdflags[unit].inuse & CONS_DEV) { 1685 /* 1686 * this is the console 1687 */ 1688 tp = qd_tty[minor_dev]; 1689 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 1690 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1691 /* 1692 * this is a bitmap-to-processor xfer 1693 */ 1694 return (physio(qd_strategy, &qdbuf[unit], 1695 dev, B_READ, minphys, uio)); 1696 } 1697 return (ENXIO); 1698 } 1699 1700 /*************************************************************** 1701 * 1702 * qd_strategy()... strategy routine to do DMA 1703 * 1704 ***************************************************************/ 1705 1706 void 1707 qd_strategy(bp) 1708 struct buf *bp; 1709 { 1710 volatile struct dga *dga; 1711 volatile struct adder *adder; 1712 int unit; 1713 int QBAreg; 1714 int s; 1715 int cookie; 1716 struct uba_softc *uh; 1717 1718 unit = (minor(bp->b_dev) >> 2) & 0x07; 1719 1720 uh = (struct uba_softc *) 1721 device_parent((struct device *)(qd_cd.cd_devs[unit])); 1722 1723 /* 1724 * init pointers 1725 */ 1726 dga = (struct dga *) qdmap[unit].dga; 1727 panic("qd_strategy"); 1728 #ifdef notyet 1729 if ((QBAreg = ubasetup(uh, bp, 0)) == 0) { 1730 printf("qd%d: qd_strategy: QBA setup error\n", unit); 1731 goto STRAT_ERR; 1732 } 1733 #endif 1734 s = spl5(); 1735 qdflags[unit].user_dma = -1; 1736 dga->csr |= DMA_IE; 1737 cookie = QBAreg & 0x3FFFF; 1738 dga->adrs_lo = (short) cookie; 1739 dga->adrs_hi = (short) (cookie >> 16); 1740 dga->bytcnt_lo = (short) bp->b_bcount; 1741 dga->bytcnt_hi = (short) (bp->b_bcount >> 16); 1742 1743 while (qdflags[unit].user_dma) { 1744 (void) tsleep(&qdflags[unit].user_dma, QSPRIOR, 1745 "qdstrat", 0); 1746 } 1747 splx(s); 1748 #ifdef notyet 1749 ubarelse(uh, &QBAreg); 1750 #endif 1751 if (!(dga->csr & DMA_ERR)) { 1752 biodone(bp); 1753 return; 1754 } 1755 1756 /* STRAT_ERR: */ 1757 adder = (struct adder *) qdmap[unit].adder; 1758 adder->command = CANCEL; /* cancel adder activity */ 1759 dga->csr &= ~DMA_IE; 1760 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 1761 dga->csr |= DMA_ERR; /* clear error condition */ 1762 bp->b_error = EIO; /* flag an error to physio() */ 1763 1764 /* 1765 * if DMA was running, flush spurious intrpt 1766 */ 1767 if (dga->bytcnt_lo != 0) { 1768 dga->bytcnt_lo = 0; 1769 dga->bytcnt_hi = 0; 1770 DMA_SETIGNORE(DMAheader[unit]); 1771 dga->csr |= DMA_IE; 1772 } 1773 biodone(bp); 1774 } /* qd_strategy */ 1775 1776 1777 /* 1778 * Start output to the console screen 1779 */ 1780 void qdstart(tp) 1781 struct tty *tp; 1782 { 1783 int which_unit, unit, c; 1784 int s; 1785 1786 unit = minor(tp->t_dev); 1787 which_unit = (unit >> 2) & 0x3; 1788 unit &= 0x03; 1789 1790 s = spl5(); 1791 1792 /* 1793 * If it's currently active, or delaying, no need to do anything. 1794 */ 1795 if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) 1796 goto out; 1797 1798 /* 1799 * Display chars until the queue is empty. 1800 * Drop input from anything but the console 1801 * device on the floor. 1802 * 1803 * XXX - this loop is done at spltty. 1804 * 1805 */ 1806 while (tp->t_outq.c_cc) { 1807 c = getc(&tp->t_outq); 1808 if (unit == 0) 1809 blitc(which_unit, (u_char)c); 1810 } 1811 ttypull(tp); 1812 tp->t_state &= ~TS_BUSY; 1813 1814 out: 1815 splx(s); 1816 1817 } /* qdstart */ 1818 1819 /*ARGSUSED*/ 1820 void 1821 qdstop(tp, flag) 1822 struct tty *tp; 1823 int flag; 1824 { 1825 int s; 1826 1827 s = spl5(); /* block intrpts during state modification */ 1828 if (tp->t_state & TS_BUSY) { 1829 if ((tp->t_state & TS_TTSTOP) == 0) 1830 tp->t_state |= TS_FLUSH; 1831 else 1832 tp->t_state &= ~TS_BUSY; 1833 } 1834 splx(s); 1835 } 1836 1837 /* 1838 * Output a character to the QDSS screen 1839 */ 1840 void 1841 blitc(unit, chr) 1842 int unit; 1843 u_char chr; 1844 { 1845 volatile struct adder *adder; 1846 volatile struct dga *dga; 1847 int i; 1848 int nograph = !(qdflags[unit].inuse&GRAPHIC_DEV); 1849 static short inescape[NQD]; 1850 1851 adder = (struct adder *)qdmap[unit].adder; 1852 dga = (struct dga *) qdmap[unit].dga; 1853 /* 1854 * BSD comment: this (&=0177) defeats the extended character 1855 * set code for the glass tty, but if i had the time i would 1856 * spend it ripping out the code completely. This driver 1857 * is too big for its own good. 1858 */ 1859 chr &= 0177; 1860 /* 1861 * Cursor addressing (so vi will work). 1862 * Decode for "\E=%.%." cursor motion description. 1863 * Corresponds to type "qdcons" in /etc/termcap: 1864 * 1865 * qd|qdss|qdcons|qdss glass tty (4.4 BSD):\ 1866 * :am:do=^J:le=^H:bs:cm=\E=%.%.:cl=1^Z:co#128:li#57::nd=^L:up=^K: 1867 * 1868 */ 1869 if (inescape[unit] && nograph) { 1870 switch (inescape[unit]++) { 1871 case 1: 1872 if (chr != '=') { 1873 /* abort escape sequence */ 1874 inescape[unit] = 0; 1875 blitc(unit, chr); 1876 } 1877 return; 1878 case 2: 1879 /* position row */ 1880 cursor[unit].y = CHAR_HEIGHT * chr; 1881 if (cursor[unit].y > 863 - CHAR_HEIGHT) 1882 cursor[unit].y = 863 - CHAR_HEIGHT; 1883 dga->y_cursor = TRANY(cursor[unit].y); 1884 return; 1885 case 3: 1886 /* position column */ 1887 cursor[unit].x = CHAR_WIDTH * chr; 1888 if (cursor[unit].x > 1024 - CHAR_WIDTH) 1889 cursor[unit].x = 1023 - CHAR_WIDTH; 1890 dga->x_cursor = TRANX(cursor[unit].x); 1891 inescape[unit] = 0; 1892 return; 1893 default: 1894 inescape[unit] = 0; 1895 blitc(unit, chr); 1896 } 1897 } 1898 1899 switch (chr) { 1900 case '\r': /* return char */ 1901 cursor[unit].x = 0; 1902 if (nograph) 1903 dga->x_cursor = TRANX(cursor[unit].x); 1904 return; 1905 1906 case '\t': /* tab char */ 1907 for (i = 8 - ((cursor[unit].x >> 3) & 0x07); i > 0; --i) { 1908 blitc(unit, ' '); 1909 } 1910 return; 1911 1912 case '\n': /* line feed char */ 1913 if ((cursor[unit].y += CHAR_HEIGHT) > (863 - CHAR_HEIGHT)) { 1914 if (nograph) { 1915 cursor[unit].y -= CHAR_HEIGHT; 1916 scroll_up(adder); 1917 } else 1918 cursor[unit].y = 0; 1919 } 1920 if (nograph) 1921 dga->y_cursor = TRANY(cursor[unit].y); 1922 return; 1923 1924 case '\b': /* backspace char */ 1925 if (cursor[unit].x > 0) { 1926 cursor[unit].x -= CHAR_WIDTH; 1927 if (nograph) 1928 dga->x_cursor = TRANX(cursor[unit].x); 1929 } 1930 return; 1931 case CTRL('k'): /* cursor up */ 1932 if (nograph && cursor[unit].y > 0) { 1933 cursor[unit].y -= CHAR_HEIGHT; 1934 dga->y_cursor = TRANY(cursor[unit].y); 1935 } 1936 return; 1937 1938 case CTRL('^'): /* home cursor */ 1939 if (nograph) { 1940 cursor[unit].x = 0; 1941 dga->x_cursor = TRANX(cursor[unit].x); 1942 cursor[unit].y = 0; 1943 dga->y_cursor = TRANY(cursor[unit].y); 1944 } 1945 return; 1946 1947 case CTRL('l'): /* cursor right */ 1948 if (nograph && cursor[unit].x < 1023 - CHAR_WIDTH) { 1949 cursor[unit].x += CHAR_WIDTH; 1950 dga->x_cursor = TRANX(cursor[unit].x); 1951 } 1952 return; 1953 1954 case CTRL('z'): /* clear screen */ 1955 if (nograph) { 1956 setup_dragon(unit); 1957 clear_qd_screen(unit); 1958 /* home cursor - termcap seems to assume this */ 1959 cursor[unit].x = 0; 1960 dga->x_cursor = TRANX(cursor[unit].x); 1961 cursor[unit].y = 0; 1962 dga->y_cursor = TRANY(cursor[unit].y); 1963 } 1964 return; 1965 1966 case '\033': /* start escape sequence */ 1967 if (nograph) 1968 inescape[unit] = 1; 1969 return; 1970 1971 default: 1972 if ((chr < ' ') || (chr > '~')) 1973 return; 1974 } 1975 /* 1976 * setup VIPER operand control registers 1977 */ 1978 write_ID(adder, CS_UPDATE_MASK, 0x0001); /* select plane #0 */ 1979 write_ID(adder, SRC1_OCR_B, 1980 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 1981 write_ID(adder, CS_UPDATE_MASK, 0x00FE); /* select other planes */ 1982 write_ID(adder, SRC1_OCR_B, 1983 EXT_SOURCE | INT_NONE | NO_ID | BAR_SHIFT_DELAY); 1984 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 1985 write_ID(adder, DST_OCR_B, 1986 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 1987 write_ID(adder, MASK_1, 0xFFFF); 1988 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 1); 1989 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 1990 adder->x_clip_min = 0; 1991 adder->x_clip_max = 1024; 1992 adder->y_clip_min = 0; 1993 adder->y_clip_max = 864; 1994 /* 1995 * load DESTINATION origin and vectors 1996 */ 1997 adder->fast_dest_dy = 0; 1998 adder->slow_dest_dx = 0; 1999 adder->error_1 = 0; 2000 adder->error_2 = 0; 2001 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 2002 (void)wait_status(adder, RASTEROP_COMPLETE); 2003 adder->destination_x = cursor[unit].x; 2004 adder->fast_dest_dx = CHAR_WIDTH; 2005 adder->destination_y = cursor[unit].y; 2006 adder->slow_dest_dy = CHAR_HEIGHT; 2007 /* 2008 * load SOURCE origin and vectors 2009 */ 2010 if ((chr - ' ') > (CHARS - 1)) { 2011 printf("Invalid character (x)%x in blitc\n",chr); 2012 chr = ' '; 2013 } 2014 /* 2015 * X position is modulo the number of characters per line 2016 */ 2017 adder->source_1_x = FONT_X + 2018 (((chr - ' ') % (MAX_SCREEN_X/CHAR_WIDTH)) * CHAR_WIDTH); 2019 /* 2020 * Point to either first or second row 2021 */ 2022 adder->source_1_y = 2048 - 15 * 2023 (((chr - ' ')/(MAX_SCREEN_X/CHAR_WIDTH)) + 1); 2024 adder->source_1_dx = CHAR_WIDTH; 2025 adder->source_1_dy = CHAR_HEIGHT; 2026 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 2027 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 2028 /* 2029 * update console cursor coordinates 2030 */ 2031 cursor[unit].x += CHAR_WIDTH; 2032 if (nograph) 2033 dga->x_cursor = TRANX(cursor[unit].x); 2034 if (cursor[unit].x > (1024 - CHAR_WIDTH)) { 2035 blitc(unit, '\r'); 2036 blitc(unit, '\n'); 2037 } 2038 2039 } /* blitc */ 2040 2041 /* 2042 * INTERRUPT SERVICE ROUTINES 2043 */ 2044 2045 /* 2046 * Service "DMA DONE" interrupt condition 2047 */ 2048 2049 static void 2050 qddint(arg) 2051 void *arg; 2052 { 2053 struct device *dv = arg; 2054 struct DMAreq_header *header; 2055 struct DMAreq *request; 2056 volatile struct dga *dga; 2057 volatile struct adder *adder; 2058 int cookie; /* DMA adrs for QDSS */ 2059 int unit = device_unit(dv); 2060 2061 (void)spl4(); /* allow interval timer in */ 2062 2063 /* 2064 * init pointers 2065 */ 2066 header = DMAheader[unit]; /* register for optimization */ 2067 dga = (struct dga *) qdmap[unit].dga; 2068 adder = (struct adder *) qdmap[unit].adder; 2069 2070 /* 2071 * if this interrupt flagged as bogus for interrupt flushing purposes.. 2072 */ 2073 if (DMA_ISIGNORE(header)) { 2074 DMA_CLRIGNORE(header); 2075 return; 2076 } 2077 2078 /* 2079 * dump a DMA hardware error message if appropriate 2080 */ 2081 if (dga->csr & DMA_ERR) { 2082 2083 if (dga->csr & PARITY_ERR) 2084 printf("qd%d: qddint: DMA hardware parity fault.\n", unit); 2085 2086 if (dga->csr & BUS_ERR) 2087 printf("qd%d: qddint: DMA hardware bus error.\n", unit); 2088 } 2089 2090 /* 2091 * if this was a DMA from user space... 2092 */ 2093 if (qdflags[unit].user_dma) { 2094 qdflags[unit].user_dma = 0; 2095 wakeup((void *)&qdflags[unit].user_dma); 2096 return; 2097 } 2098 2099 /* 2100 * if we're doing DMA request queue services, field the error condition 2101 */ 2102 if (dga->csr & DMA_ERR) { 2103 2104 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2105 dga->csr |= DMA_ERR; /* clear error condition */ 2106 adder->command = CANCEL; /* cancel adder activity */ 2107 2108 DMA_SETERROR(header); /* flag error in header status word */ 2109 DMA_CLRACTIVE(header); 2110 header->DMAreq[header->oldest].DMAdone |= HARD_ERROR; 2111 header->newest = header->oldest; 2112 header->used = 0; 2113 2114 selnotify(&qdrsel[unit], 0); 2115 2116 if (dga->bytcnt_lo != 0) { 2117 dga->bytcnt_lo = 0; 2118 dga->bytcnt_hi = 0; 2119 DMA_SETIGNORE(header); 2120 } 2121 return; 2122 } 2123 2124 /* 2125 * if the DMA request queue is now becoming non-full, 2126 * wakeup "select" client. 2127 */ 2128 if (DMA_ISFULL(header)) { 2129 selnotify(&qdrsel[unit], 0); 2130 } 2131 2132 header->DMAreq[header->oldest].DMAdone |= REQUEST_DONE; 2133 QDlast_DMAtype = header->DMAreq[header->oldest].DMAtype; 2134 2135 /* check for unexpected interrupt */ 2136 if (DMA_ISEMPTY(header)) 2137 return; 2138 2139 DMA_GETEND(header); /* update request queue indices */ 2140 2141 /* 2142 * if no more DMA pending, wake up "select" client and exit 2143 */ 2144 if (DMA_ISEMPTY(header)) { 2145 selnotify(&qdrsel[unit], 0); 2146 DMA_CLRACTIVE(header); /* flag DMA done */ 2147 return; 2148 } 2149 2150 /* 2151 * initiate next DMA xfer 2152 */ 2153 request = DMA_GETBEGIN(header); 2154 if (request->DMAtype != QDlast_DMAtype) { 2155 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2156 adder->command = CANCEL; /* cancel adder activity */ 2157 } 2158 2159 2160 switch (request->DMAtype) { 2161 2162 case DISPLIST: 2163 if (request->DMAtype != QDlast_DMAtype) { 2164 dga->csr |= DL_ENB; 2165 dga->csr &= ~(BTOP_ENB | BYTE_DMA); 2166 } 2167 break; 2168 2169 case PTOB: 2170 if (request->DMAtype != QDlast_DMAtype) { 2171 if (request->DMAdone & BYTE_PACK) 2172 dga->csr |= (PTOB_ENB | BYTE_DMA); 2173 else { 2174 dga->csr |= PTOB_ENB; 2175 dga->csr &= ~BYTE_DMA; 2176 } 2177 } 2178 break; 2179 2180 case BTOP: 2181 if (request->DMAtype != QDlast_DMAtype) { 2182 if (request->DMAdone & BYTE_PACK) { 2183 dga->csr &= ~DL_ENB; 2184 dga->csr |= (BTOP_ENB | BYTE_DMA); 2185 } 2186 else { 2187 dga->csr |= BTOP_ENB; 2188 dga->csr &= ~(BYTE_DMA | DL_ENB); 2189 } 2190 } 2191 break; 2192 default: 2193 printf("qd%d: qddint: illegal DMAtype parameter.\n", unit); 2194 DMA_CLRACTIVE(header); /* flag DMA done */ 2195 return; 2196 } 2197 2198 if (request->DMAdone & COUNT_ZERO) { 2199 dga->csr &= ~SET_DONE_FIFO; 2200 } 2201 else if (request->DMAdone & FIFO_EMPTY) { 2202 dga->csr |= SET_DONE_FIFO; 2203 } 2204 2205 if (request->DMAdone & WORD_PACK) 2206 dga->csr &= ~BYTE_DMA; 2207 else if (request->DMAdone & BYTE_PACK) 2208 dga->csr |= BYTE_DMA; 2209 2210 dga->csr |= DMA_IE; 2211 QDlast_DMAtype = request->DMAtype; 2212 2213 cookie = ((int)request->bufp - (int)header) + (int)header->QBAreg; 2214 2215 dga->adrs_lo = (short) cookie; 2216 dga->adrs_hi = (short) (cookie >> 16); 2217 2218 dga->bytcnt_lo = (short) request->length; 2219 dga->bytcnt_hi = (short) (request->length >> 16); 2220 2221 return; 2222 } 2223 2224 /* 2225 * ADDER interrupt service routine 2226 */ 2227 static void 2228 qdaint(arg) 2229 void *arg; 2230 { 2231 struct device *dv = arg; 2232 volatile struct adder *adder; 2233 struct color_buf *cbuf; 2234 int i; 2235 struct rgb *rgbp; 2236 volatile short *red; 2237 volatile short *green; 2238 volatile short *blue; 2239 int unit = device_unit(dv); 2240 2241 (void)spl4(); /* allow interval timer in */ 2242 2243 adder = (struct adder *) qdmap[unit].adder; 2244 2245 /* 2246 * service the vertical blank interrupt (VSYNC bit) by loading 2247 * any pending color map load request 2248 */ 2249 if (adder->status & VSYNC) { 2250 adder->status &= ~VSYNC; /* clear the interrupt */ 2251 cbuf = color_buf[unit]; 2252 if (cbuf->status & LOAD_COLOR_MAP) { 2253 2254 red = (short *) qdmap[unit].red; 2255 green = (short *) qdmap[unit].green; 2256 blue = (short *) qdmap[unit].blue; 2257 2258 for (i = cbuf->count, rgbp = cbuf->rgb; 2259 --i >= 0; rgbp++) { 2260 red[rgbp->offset] = (short) rgbp->red; 2261 green[rgbp->offset] = (short) rgbp->green; 2262 blue[rgbp->offset] = (short) rgbp->blue; 2263 } 2264 2265 cbuf->status &= ~LOAD_COLOR_MAP; 2266 } 2267 } 2268 2269 /* 2270 * service the scroll interrupt (FRAME_SYNC bit) 2271 */ 2272 if (adder->status & FRAME_SYNC) { 2273 adder->status &= ~FRAME_SYNC; /* clear the interrupt */ 2274 2275 if (scroll[unit]->status & LOAD_REGS) { 2276 2277 for (i = 1000, adder->status = 0; i > 0 && 2278 !(adder->status&ID_SCROLL_READY); --i) 2279 ; 2280 2281 if (i == 0) { 2282 printf("qd%d: qdaint: timeout on ID_SCROLL_READY\n", 2283 qd); 2284 return; 2285 } 2286 2287 adder->ID_scroll_data = scroll[unit]->viper_constant; 2288 adder->ID_scroll_command = ID_LOAD | SCROLL_CONSTANT; 2289 2290 adder->y_scroll_constant = 2291 scroll[unit]->y_scroll_constant; 2292 adder->y_offset_pending = scroll[unit]->y_offset; 2293 2294 if (scroll[unit]->status & LOAD_INDEX) { 2295 2296 adder->x_index_pending = 2297 scroll[unit]->x_index_pending; 2298 adder->y_index_pending = 2299 scroll[unit]->y_index_pending; 2300 } 2301 2302 scroll[unit]->status = 0x00; 2303 } 2304 } 2305 } 2306 2307 /* 2308 * DUART input interrupt service routine 2309 * 2310 * XXX - this routine should be broken out - it is essentially 2311 * straight line code. 2312 */ 2313 2314 static void 2315 qdiint(arg) 2316 void *arg; 2317 { 2318 struct device *dv = arg; 2319 struct _vs_event *event; 2320 struct qdinput *eqh; 2321 volatile struct dga *dga; 2322 volatile struct duart *duart; 2323 struct mouse_report *new_rep; 2324 struct tty *tp; 2325 u_short chr; 2326 u_short status; 2327 u_short data; 2328 u_short key; 2329 char do_wakeup = 0; /* flag to do a select wakeup call */ 2330 char a, b, c; /* mouse button test variables */ 2331 int unit = device_unit(dv); 2332 2333 (void)spl4(); /* allow interval timer in */ 2334 2335 eqh = eq_header[unit]; /* optimized as a register */ 2336 new_rep = ¤t_rep[unit]; 2337 duart = (struct duart *) qdmap[unit].duart; 2338 2339 /* 2340 * if the graphic device is turned on.. 2341 */ 2342 if (qdflags[unit].inuse & GRAPHIC_DEV) { 2343 /* 2344 * empty DUART 2345 */ 2346 while (duart->statusA&RCV_RDY || duart->statusB&RCV_RDY) { 2347 /* 2348 * pick up LK-201 input (if any) 2349 */ 2350 if (duart->statusA&RCV_RDY) { 2351 2352 /* if error condition, then reset it */ 2353 2354 if (duart->statusA&0x70) { 2355 duart->cmdA = 0x40; 2356 continue; 2357 } 2358 2359 /* event queue full now? (overflow condition) */ 2360 2361 if (ISFULL(eqh) == TRUE) { 2362 printf( 2363 "qd%d: qdiint: event queue overflow\n", 2364 qd); 2365 break; 2366 } 2367 2368 /* 2369 * Check for various keyboard errors */ 2370 2371 key = duart->dataA & 0xFF; 2372 2373 if (key==LK_POWER_ERROR || 2374 key==LK_KDOWN_ERROR || 2375 key == LK_INPUT_ERROR || 2376 key == LK_OUTPUT_ERROR) { 2377 printf( 2378 "qd%d: qdiint: keyboard error, code = %x\n", 2379 qd,key); 2380 return; 2381 } 2382 2383 if (key < LK_LOWEST) 2384 return; 2385 2386 ++do_wakeup; /* request a select wakeup call */ 2387 2388 event = PUTBEGIN(eqh); 2389 PUTEND(eqh); 2390 2391 event->vse_key = key; 2392 event->vse_key &= 0x00FF; 2393 event->vse_x = eqh->curs_pos.x; 2394 event->vse_y = eqh->curs_pos.y; 2395 event->vse_time = TOY; 2396 event->vse_type = VSE_BUTTON; 2397 event->vse_direction = VSE_KBTRAW; 2398 event->vse_device = VSE_DKB; 2399 } 2400 2401 /* 2402 * pick up the mouse input (if any) */ 2403 2404 if ((status = duart->statusB) & RCV_RDY && 2405 qdflags[unit].pntr_id == MOUSE_ID) { 2406 2407 if (status & 0x70) { 2408 duart->cmdB = 0x40; 2409 continue; 2410 } 2411 2412 /* event queue full now? (overflow condition) */ 2413 2414 if (ISFULL(eqh) == TRUE) { 2415 printf( 2416 "qd%d: qdiint: event queue overflow\n", 2417 qd); 2418 break; 2419 } 2420 2421 data = duart->dataB; /* get report byte */ 2422 ++new_rep->bytcnt; /* bump report byte count */ 2423 2424 /* 2425 * if 1st byte of report.. */ 2426 2427 if ( data & START_FRAME) { 2428 new_rep->state = data; 2429 if (new_rep->bytcnt > 1) { 2430 /* start of new frame */ 2431 new_rep->bytcnt = 1; 2432 /* ..continue looking */ 2433 continue; 2434 } 2435 } 2436 2437 /* 2438 * if 2nd byte of report.. */ 2439 2440 else if (new_rep->bytcnt == 2) { 2441 new_rep->dx = data & 0x00FF; 2442 } 2443 2444 /* 2445 * if 3rd byte of report, load input event queue */ 2446 2447 else if (new_rep->bytcnt == 3) { 2448 2449 new_rep->dy = data & 0x00FF; 2450 new_rep->bytcnt = 0; 2451 2452 /* 2453 * if mouse position has changed.. */ 2454 2455 if (new_rep->dx != 0 || new_rep->dy != 0) { 2456 2457 /* 2458 * calculate acceleration factor, if needed */ 2459 2460 if (qdflags[unit].curs_acc > ACC_OFF) { 2461 2462 if (qdflags[unit].curs_thr <= new_rep->dx) 2463 new_rep->dx += 2464 (new_rep->dx - qdflags[unit].curs_thr) 2465 * qdflags[unit].curs_acc; 2466 2467 if (qdflags[unit].curs_thr <= new_rep->dy) 2468 new_rep->dy += 2469 (new_rep->dy - qdflags[unit].curs_thr) 2470 * qdflags[unit].curs_acc; 2471 } 2472 2473 /* 2474 * update cursor position coordinates */ 2475 2476 if (new_rep->state & X_SIGN) { 2477 eqh->curs_pos.x += new_rep->dx; 2478 if (eqh->curs_pos.x > 1023) 2479 eqh->curs_pos.x = 1023; 2480 } 2481 else { 2482 eqh->curs_pos.x -= new_rep->dx; 2483 if (eqh->curs_pos.x < -15) 2484 eqh->curs_pos.x = -15; 2485 } 2486 2487 if (new_rep->state & Y_SIGN) { 2488 eqh->curs_pos.y -= new_rep->dy; 2489 if (eqh->curs_pos.y < -15) 2490 eqh->curs_pos.y = -15; 2491 } 2492 else { 2493 eqh->curs_pos.y += new_rep->dy; 2494 if (eqh->curs_pos.y > 863) 2495 eqh->curs_pos.y = 863; 2496 } 2497 2498 /* 2499 * update cursor screen position */ 2500 2501 dga = (struct dga *) qdmap[unit].dga; 2502 dga->x_cursor = TRANX(eqh->curs_pos.x); 2503 dga->y_cursor = TRANY(eqh->curs_pos.y); 2504 2505 /* 2506 * if cursor is in the box, no event report */ 2507 2508 if (eqh->curs_pos.x <= eqh->curs_box.right && 2509 eqh->curs_pos.x >= eqh->curs_box.left && 2510 eqh->curs_pos.y >= eqh->curs_box.top && 2511 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2512 goto GET_MBUTTON; 2513 } 2514 2515 /* 2516 * report the mouse motion event */ 2517 2518 event = PUTBEGIN(eqh); 2519 PUTEND(eqh); 2520 2521 ++do_wakeup; /* request a select wakeup call */ 2522 2523 event->vse_x = eqh->curs_pos.x; 2524 event->vse_y = eqh->curs_pos.y; 2525 2526 event->vse_device = VSE_MOUSE; /* mouse */ 2527 event->vse_type = VSE_MMOTION; /* pos changed */ 2528 event->vse_key = 0; 2529 event->vse_direction = 0; 2530 event->vse_time = TOY; /* time stamp */ 2531 } 2532 2533 GET_MBUTTON: 2534 /* 2535 * if button state has changed */ 2536 2537 a = new_rep->state & 0x07; /*mask nonbutton bits */ 2538 b = last_rep[unit].state & 0x07; 2539 2540 if (a ^ b) { 2541 2542 for ( c = 1; c < 8; c <<= 1) { 2543 2544 if (!( c & (a ^ b))) /* this button change? */ 2545 continue; 2546 2547 /* event queue full? (overflow condition) */ 2548 2549 if (ISFULL(eqh) == TRUE) { 2550 printf("qd%d: qdiint: event queue overflow\n", qd); 2551 break; 2552 } 2553 2554 event = PUTBEGIN(eqh); /* get new event */ 2555 PUTEND(eqh); 2556 2557 ++do_wakeup; /* request select wakeup */ 2558 2559 event->vse_x = eqh->curs_pos.x; 2560 event->vse_y = eqh->curs_pos.y; 2561 2562 event->vse_device = VSE_MOUSE; /* mouse */ 2563 event->vse_type = VSE_BUTTON; /* new button */ 2564 event->vse_time = TOY; /* time stamp */ 2565 2566 /* flag changed button and if up or down */ 2567 2568 if (c == RIGHT_BUTTON) 2569 event->vse_key = VSE_RIGHT_BUTTON; 2570 else if (c == MIDDLE_BUTTON) 2571 event->vse_key = VSE_MIDDLE_BUTTON; 2572 else if (c == LEFT_BUTTON) 2573 event->vse_key = VSE_LEFT_BUTTON; 2574 2575 /* set bit = button depressed */ 2576 2577 if (c & a) 2578 event->vse_direction = VSE_KBTDOWN; 2579 else 2580 event->vse_direction = VSE_KBTUP; 2581 } 2582 } 2583 2584 /* refresh last report */ 2585 2586 last_rep[unit] = current_rep[unit]; 2587 2588 } /* get last byte of report */ 2589 } else if ((status = duart->statusB)&RCV_RDY && 2590 qdflags[unit].pntr_id == TABLET_ID) { 2591 /* 2592 * pickup tablet input, if any 2593 */ 2594 if (status&0x70) { 2595 duart->cmdB = 0x40; 2596 continue; 2597 } 2598 /* 2599 * event queue full now? (overflow condition) 2600 */ 2601 if (ISFULL(eqh) == TRUE) { 2602 printf("qd%d: qdiint: event queue overflow\n", qd); 2603 break; 2604 } 2605 2606 data = duart->dataB; /* get report byte */ 2607 ++new_rep->bytcnt; /* bump report byte count */ 2608 2609 /* 2610 * if 1st byte of report.. */ 2611 2612 if (data & START_FRAME) { 2613 new_rep->state = data; 2614 if (new_rep->bytcnt > 1) { 2615 new_rep->bytcnt = 1; /* start of new frame */ 2616 continue; /* ..continue looking */ 2617 } 2618 } 2619 2620 /* 2621 * if 2nd byte of report.. */ 2622 2623 else if (new_rep->bytcnt == 2) { 2624 new_rep->dx = data & 0x3F; 2625 } 2626 2627 /* 2628 * if 3rd byte of report.. */ 2629 2630 else if (new_rep->bytcnt == 3) { 2631 new_rep->dx |= (data & 0x3F) << 6; 2632 } 2633 2634 /* 2635 * if 4th byte of report.. */ 2636 2637 else if (new_rep->bytcnt == 4) { 2638 new_rep->dy = data & 0x3F; 2639 } 2640 2641 /* 2642 * if 5th byte of report, load input event queue */ 2643 2644 else if (new_rep->bytcnt == 5) { 2645 2646 new_rep->dy |= (data & 0x3F) << 6; 2647 new_rep->bytcnt = 0; 2648 2649 /* 2650 * update cursor position coordinates */ 2651 2652 new_rep->dx /= qdflags[unit].tab_res; 2653 new_rep->dy = (2200 - new_rep->dy) 2654 / qdflags[unit].tab_res; 2655 2656 if (new_rep->dx > 1023) { 2657 new_rep->dx = 1023; 2658 } 2659 if (new_rep->dy > 863) { 2660 new_rep->dy = 863; 2661 } 2662 2663 /* 2664 * report an event if the puck/stylus has moved 2665 */ 2666 2667 if (eqh->curs_pos.x != new_rep->dx || 2668 eqh->curs_pos.y != new_rep->dy) { 2669 2670 eqh->curs_pos.x = new_rep->dx; 2671 eqh->curs_pos.y = new_rep->dy; 2672 2673 /* 2674 * update cursor screen position */ 2675 2676 dga = (struct dga *) qdmap[unit].dga; 2677 dga->x_cursor = TRANX(eqh->curs_pos.x); 2678 dga->y_cursor = TRANY(eqh->curs_pos.y); 2679 2680 /* 2681 * if cursor is in the box, no event report 2682 */ 2683 2684 if (eqh->curs_pos.x <= eqh->curs_box.right && 2685 eqh->curs_pos.x >= eqh->curs_box.left && 2686 eqh->curs_pos.y >= eqh->curs_box.top && 2687 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2688 goto GET_TBUTTON; 2689 } 2690 2691 /* 2692 * report the tablet motion event */ 2693 2694 event = PUTBEGIN(eqh); 2695 PUTEND(eqh); 2696 2697 ++do_wakeup; /* request a select wakeup call */ 2698 2699 event->vse_x = eqh->curs_pos.x; 2700 event->vse_y = eqh->curs_pos.y; 2701 2702 event->vse_device = VSE_TABLET; /* tablet */ 2703 /* 2704 * right now, X handles tablet motion the same 2705 * as mouse motion 2706 */ 2707 event->vse_type = VSE_MMOTION; /* pos changed */ 2708 event->vse_key = 0; 2709 event->vse_direction = 0; 2710 event->vse_time = TOY; /* time stamp */ 2711 } 2712 GET_TBUTTON: 2713 /* 2714 * if button state has changed */ 2715 2716 a = new_rep->state & 0x1E; /* mask nonbutton bits */ 2717 b = last_rep[unit].state & 0x1E; 2718 2719 if (a ^ b) { 2720 2721 /* event queue full now? (overflow condition) */ 2722 2723 if (ISFULL(eqh) == TRUE) { 2724 printf("qd%d: qdiint: event queue overflow\n",qd); 2725 break; 2726 } 2727 2728 event = PUTBEGIN(eqh); /* get new event */ 2729 PUTEND(eqh); 2730 2731 ++do_wakeup; /* request a select wakeup call */ 2732 2733 event->vse_x = eqh->curs_pos.x; 2734 event->vse_y = eqh->curs_pos.y; 2735 2736 event->vse_device = VSE_TABLET; /* tablet */ 2737 event->vse_type = VSE_BUTTON; /* button changed */ 2738 event->vse_time = TOY; /* time stamp */ 2739 2740 /* define the changed button and if up or down */ 2741 2742 for ( c = 1; c <= 0x10; c <<= 1) { 2743 if (c & (a ^ b)) { 2744 if (c == T_LEFT_BUTTON) 2745 event->vse_key = VSE_T_LEFT_BUTTON; 2746 else if (c == T_FRONT_BUTTON) 2747 event->vse_key = VSE_T_FRONT_BUTTON; 2748 else if (c == T_RIGHT_BUTTON) 2749 event->vse_key = VSE_T_RIGHT_BUTTON; 2750 else if (c == T_BACK_BUTTON) 2751 event->vse_key = VSE_T_BACK_BUTTON; 2752 break; 2753 } 2754 } 2755 2756 /* set bit = button depressed */ 2757 2758 if (c & a) 2759 event->vse_direction = VSE_KBTDOWN; 2760 else 2761 event->vse_direction = VSE_KBTUP; 2762 } 2763 2764 /* refresh last report */ 2765 2766 last_rep[unit] = current_rep[unit]; 2767 2768 } /* get last byte of report */ 2769 } /* pick up tablet input */ 2770 2771 } /* while input available.. */ 2772 2773 /* 2774 * do select wakeup 2775 */ 2776 if (do_wakeup) { 2777 selnotify(&qdrsel[unit], 0); 2778 do_wakeup = 0; 2779 } 2780 } else { 2781 /* 2782 * if the graphic device is not turned on, this is console input 2783 */ 2784 if (qdpolling) 2785 return; 2786 2787 if (unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[unit] == NULL) 2788 return; /* no such device or address */ 2789 2790 tp = qd_tty[unit << 2]; 2791 2792 /* 2793 * Get a character from the keyboard. 2794 */ 2795 while (duart->statusA&RCV_RDY) { 2796 key = duart->dataA; 2797 key &= 0xFF; 2798 /* 2799 * Check for various keyboard errors 2800 */ 2801 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 2802 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 2803 printf("qd%d: qdiint: Keyboard error, code = %x\n",qd,key); 2804 return; 2805 } 2806 2807 if (key < LK_LOWEST) 2808 return; 2809 2810 /* 2811 * See if its a state change key */ 2812 2813 switch (key) { 2814 2815 case LOCK: 2816 q_keyboard.lock ^= 0xffff; /* toggle */ 2817 if (q_keyboard.lock) 2818 led_control(qd, LK_LED_ENABLE, 2819 LK_LED_LOCK); 2820 else 2821 led_control(qd, LK_LED_DISABLE, 2822 LK_LED_LOCK); 2823 return; 2824 2825 case SHIFT: 2826 q_keyboard.shift ^= 0xFFFF; 2827 return; 2828 2829 case CNTRL: 2830 q_keyboard.cntrl ^= 0xFFFF; 2831 return; 2832 2833 case ALLUP: 2834 q_keyboard.cntrl = 0; 2835 q_keyboard.shift = 0; 2836 return; 2837 2838 case REPEAT: 2839 chr = q_keyboard.last; 2840 break; 2841 2842 /* 2843 * Test for cntrl characters. If set, see if the character 2844 * is elligible to become a control character. */ 2845 2846 default: 2847 2848 if (q_keyboard.cntrl) { 2849 chr = q_key[key]; 2850 if (chr >= ' ' && chr <= '~') 2851 chr &= 0x1F; 2852 else if (chr >= 0xA1 && chr <= 0xFE) 2853 chr &= 0x9F; 2854 } 2855 else if( q_keyboard.lock || q_keyboard.shift ) 2856 chr = q_shift_key[key]; 2857 else 2858 chr = q_key[key]; 2859 break; 2860 } 2861 2862 q_keyboard.last = chr; 2863 2864 /* 2865 * Check for special function keys */ 2866 2867 if (chr & 0x100) { 2868 char *string; 2869 string = q_special[chr & 0x7F]; 2870 while(*string) 2871 (*tp->t_linesw->l_rint)(*string++, tp); 2872 } 2873 else { 2874 #ifdef DDB 2875 /* Check for kernel debugger escape here */ 2876 int j; 2877 2878 j = kdbrint(chr&0177); 2879 2880 if (j == 1) /* Escape received, just return */ 2881 return; 2882 2883 if (j == 2) /* Second char wasn't 'D' */ 2884 (*tp->t_linesw->l_rint)(27, tp); 2885 #endif 2886 (*tp->t_linesw->l_rint)(chr&0177, tp); 2887 } 2888 } 2889 } 2890 } /* qdiint */ 2891 2892 /* 2893 * 2894 * Clear the QDSS screen 2895 * 2896 * >>> NOTE <<< 2897 * 2898 * This code requires that certain adder initialization be valid. To 2899 * assure that this requirement is satisfied, this routine should be 2900 * called only after calling the "setup_dragon()" function. 2901 * 2902 * Clear the bitmap a piece at a time. Since the fast scroll clear 2903 * only clears the current displayed portion of the bitmap put a 2904 * temporary value in the y limit register so we can access whole 2905 * bitmap 2906 * 2907 */ 2908 void 2909 clear_qd_screen(unit) 2910 int unit; 2911 { 2912 volatile struct adder *adder; 2913 adder = (struct adder *) qdmap[unit].adder; 2914 2915 adder->x_limit = 1024; 2916 adder->y_limit = 2048 - CHAR_HEIGHT; 2917 adder->y_offset_pending = 0; 2918 #define WSV (void)wait_status(adder, VSYNC); (void)wait_status(adder, VSYNC) 2919 WSV; 2920 adder->y_scroll_constant = SCROLL_ERASE; 2921 WSV; 2922 adder->y_offset_pending = 864; 2923 WSV; 2924 adder->y_scroll_constant = SCROLL_ERASE; 2925 WSV; 2926 adder->y_offset_pending = 1728; 2927 WSV; 2928 adder->y_scroll_constant = SCROLL_ERASE; 2929 WSV; 2930 adder->y_offset_pending = 0; /* back to normal */ 2931 WSV; 2932 adder->x_limit = MAX_SCREEN_X; 2933 adder->y_limit = MAX_SCREEN_Y + FONT_HEIGHT; 2934 #undef WSV 2935 2936 } /* clear_qd_screen */ 2937 2938 /* 2939 * kernel console output to the glass tty 2940 */ 2941 void 2942 qdcnputc(dev, chr) 2943 dev_t dev; 2944 int chr; 2945 { 2946 2947 /* 2948 * if system is now physical, forget it (ie: crash DUMP) 2949 */ 2950 if ((mfpr(PR_MAPEN) & 1) == 0) 2951 return; 2952 2953 blitc(0, (u_char)(chr & 0xff)); 2954 if ((chr & 0177) == '\n') 2955 blitc(0, '\r'); 2956 2957 } /* qdputc */ 2958 2959 /* 2960 * load the mouse cursor's template RAM bitmap 2961 */ 2962 void 2963 ldcursor(unit, bitmap) 2964 int unit; 2965 short *bitmap; 2966 { 2967 volatile struct dga *dga; 2968 volatile short *temp; 2969 int i; 2970 int curs; 2971 2972 dga = (struct dga *) qdmap[unit].dga; 2973 temp = (short *) qdmap[unit].template; 2974 2975 if (dga->csr & CURS_ENB) { /* if the cursor is enabled.. */ 2976 curs = -1; /* ..note that.. */ 2977 dga->csr &= ~CURS_ENB; /* ..and shut it off */ 2978 } else 2979 curs = 0; 2980 2981 dga->csr &= ~CURS_ENB; /* shut off the cursor */ 2982 2983 temp += (8 * 1024) - 32; /* cursor is 32 WORDS from the end */ 2984 /* ..of the 8k WORD template space */ 2985 for (i = 0; i < 32; ++i) 2986 *temp++ = *bitmap++; 2987 2988 if (curs) { /* if cursor was enabled.. */ 2989 dga->csr |= CURS_ENB; /* ..turn it back on */ 2990 } 2991 2992 } /* ldcursor */ 2993 2994 /* 2995 * Put the console font in the QDSS off-screen memory 2996 */ 2997 void 2998 ldfont(unit) 2999 int unit; 3000 { 3001 volatile struct adder *adder; 3002 3003 int i, j, k, max_chars_line; 3004 short packed; 3005 3006 adder = (struct adder *) qdmap[unit].adder; 3007 3008 /* 3009 * setup VIPER operand control registers 3010 */ 3011 write_ID(adder, MASK_1, 0xFFFF); 3012 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3013 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3014 3015 write_ID(adder, SRC1_OCR_B, 3016 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 3017 write_ID(adder, SRC2_OCR_B, 3018 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 3019 write_ID(adder, DST_OCR_B, 3020 EXT_SOURCE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3021 3022 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3023 3024 /* 3025 * load destination data 3026 */ 3027 (void)wait_status(adder, RASTEROP_COMPLETE); 3028 3029 adder->destination_x = FONT_X; 3030 adder->destination_y = FONT_Y; 3031 #if FONT_WIDTH > MAX_SCREEN_X 3032 adder->fast_dest_dx = MAX_SCREEN_X; 3033 #else 3034 adder->fast_dest_dx = FONT_WIDTH; 3035 #endif 3036 adder->slow_dest_dy = CHAR_HEIGHT; 3037 3038 /* 3039 * setup for processor to bitmap xfer */ 3040 3041 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3042 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3043 3044 /* 3045 * Figure out how many characters can be stored on one "line" of 3046 * offscreen memory. 3047 */ 3048 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3049 if ((CHARS/2 + CHARS%2) < max_chars_line) 3050 max_chars_line = CHARS/2 + CHARS%2; 3051 3052 /* 3053 * iteratively do the processor to bitmap xfer */ 3054 3055 for (i = 0; i < ROWS; ++i) { 3056 3057 /* PTOB a scan line */ 3058 3059 for (j = 0, k = i; j < max_chars_line; ++j) { 3060 /* PTOB one scan of a char cell */ 3061 3062 packed = q_font[k]; 3063 k += ROWS; 3064 packed |= ((short)q_font[k] << 8); 3065 k += ROWS; 3066 3067 (void)wait_status(adder, TX_READY); 3068 adder->id_data = packed; 3069 } 3070 } 3071 3072 /* 3073 * (XXX XXX XXX - should remove) 3074 * 3075 * Copy the second row of characters. Subtract the first 3076 * row from the total number. Divide this quantity by 2 3077 * because 2 chars are stored in a short in the PTOB loop 3078 * below. Figure out how many characters can be stored on 3079 * one "line" of offscreen memory 3080 */ 3081 3082 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3083 if ((CHARS/2 + CHARS%2) < max_chars_line) 3084 return; 3085 max_chars_line = (CHARS/2 + CHARS%2) - max_chars_line; /* 95 - 64 */ 3086 /* Paranoia check to see if 3rd row may be needed */ 3087 if (max_chars_line > (MAX_SCREEN_X/(CHAR_WIDTH*2))) 3088 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3089 3090 adder->destination_x = FONT_X; 3091 adder->destination_y = FONT_Y - CHAR_HEIGHT; 3092 adder->fast_dest_dx = max_chars_line * CHAR_WIDTH * 2; 3093 adder->slow_dest_dy = CHAR_HEIGHT; 3094 3095 /* 3096 * setup for processor to bitmap xfer 3097 */ 3098 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3099 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3100 3101 /* 3102 * iteratively do the processor to bitmap xfer 3103 */ 3104 for (i = 0; i < ROWS; ++i) { 3105 /* 3106 * PTOB a scan line 3107 */ 3108 for (j = 0, k = i; j < max_chars_line; ++j) { 3109 /* 3110 * PTOB one scan of a char cell 3111 */ 3112 packed = q_font[k + FONT_OFFSET]; 3113 k += ROWS; 3114 packed |= ((short)q_font[k + FONT_OFFSET] << 8); 3115 k += ROWS; 3116 (void)wait_status(adder, TX_READY); 3117 adder->id_data = packed; 3118 } 3119 } 3120 3121 } /* ldfont */ 3122 3123 3124 /* 3125 * Disable or enable polling. This is used when entering or leaving the 3126 * kernel debugger. 3127 */ 3128 void 3129 qdcnpollc(dev, onoff) 3130 dev_t dev; 3131 int onoff; 3132 { 3133 qdpolling = onoff; 3134 } 3135 3136 3137 /* 3138 * Get a character from the LK201 (polled) 3139 */ 3140 int 3141 qdcngetc(dev) 3142 dev_t dev; 3143 { 3144 short key; 3145 char chr; 3146 volatile struct duart *duart; 3147 3148 duart = (struct duart *) qdmap[0].duart; 3149 3150 /* 3151 * Get a character from the keyboard. 3152 */ 3153 LOOP: 3154 while (!(duart->statusA&RCV_RDY)) 3155 ; 3156 3157 key = duart->dataA; 3158 key &= 0xFF; 3159 3160 /* 3161 * Check for various keyboard errors */ 3162 3163 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 3164 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 3165 printf("Keyboard error, code = %x\n", key); 3166 return(0); 3167 } 3168 3169 if (key < LK_LOWEST) 3170 return(0); 3171 3172 /* 3173 * See if its a state change key 3174 */ 3175 switch (key) { 3176 3177 case LOCK: 3178 q_keyboard.lock ^= 0xffff; /* toggle */ 3179 if (q_keyboard.lock) 3180 led_control(0, LK_LED_ENABLE, LK_LED_LOCK); 3181 else 3182 led_control(0, LK_LED_DISABLE, LK_LED_LOCK); 3183 goto LOOP; 3184 3185 case SHIFT: 3186 q_keyboard.shift ^= 0xFFFF; 3187 goto LOOP; 3188 3189 case CNTRL: 3190 q_keyboard.cntrl ^= 0xFFFF; 3191 goto LOOP; 3192 3193 case ALLUP: 3194 q_keyboard.cntrl = 0; 3195 q_keyboard.shift = 0; 3196 goto LOOP; 3197 3198 case REPEAT: 3199 chr = q_keyboard.last; 3200 break; 3201 3202 /* 3203 * Test for cntrl characters. If set, see if the character 3204 * is elligible to become a control character. 3205 */ 3206 default: 3207 3208 if (q_keyboard.cntrl) { 3209 chr = q_key[key]; 3210 if (chr >= ' ' && chr <= '~') 3211 chr &= 0x1F; 3212 } 3213 else if ( q_keyboard.lock || q_keyboard.shift ) 3214 chr = q_shift_key[key]; 3215 else 3216 chr = q_key[key]; 3217 break; 3218 } 3219 3220 if (chr < ' ' && chr > '~') /* if input is non-displayable */ 3221 return(0); /* ..then pitch it! */ 3222 3223 q_keyboard.last = chr; 3224 3225 /* 3226 * Check for special function keys */ 3227 3228 if (chr & 0x80) /* pitch the function keys */ 3229 return(0); 3230 else 3231 return(chr); 3232 3233 } /* qdgetc */ 3234 3235 /* 3236 * led_control()... twiddle LK-201 LED's 3237 */ 3238 void 3239 led_control(unit, cmd, led_mask) 3240 int unit, cmd, led_mask; 3241 { 3242 int i; 3243 volatile struct duart *duart; 3244 3245 duart = (struct duart *)qdmap[unit].duart; 3246 3247 for (i = 1000; i > 0; --i) { 3248 if (duart->statusA&XMT_RDY) { 3249 duart->dataA = cmd; 3250 break; 3251 } 3252 } 3253 for (i = 1000; i > 0; --i) { 3254 if (duart->statusA&XMT_RDY) { 3255 duart->dataA = led_mask; 3256 break; 3257 } 3258 } 3259 return; 3260 3261 } /* led_control */ 3262 3263 /* 3264 * scroll_up()... move the screen up one character height 3265 */ 3266 void 3267 scroll_up(adder) 3268 volatile struct adder *adder; 3269 { 3270 /* 3271 * setup VIPER operand control registers 3272 */ 3273 (void)wait_status(adder, ADDRESS_COMPLETE); 3274 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 3275 write_ID(adder, MASK_1, 0xFFFF); 3276 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3277 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3278 write_ID(adder, SRC1_OCR_B, 3279 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 3280 write_ID(adder, DST_OCR_B, 3281 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3282 /* 3283 * load DESTINATION origin and vectors 3284 */ 3285 adder->fast_dest_dy = 0; 3286 adder->slow_dest_dx = 0; 3287 adder->error_1 = 0; 3288 adder->error_2 = 0; 3289 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 3290 adder->destination_x = 0; 3291 adder->fast_dest_dx = 1024; 3292 adder->destination_y = 0; 3293 adder->slow_dest_dy = 864 - CHAR_HEIGHT; 3294 /* 3295 * load SOURCE origin and vectors 3296 */ 3297 adder->source_1_x = 0; 3298 adder->source_1_dx = 1024; 3299 adder->source_1_y = 0 + CHAR_HEIGHT; 3300 adder->source_1_dy = 864 - CHAR_HEIGHT; 3301 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3302 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 3303 /* 3304 * do a rectangle clear of last screen line 3305 */ 3306 write_ID(adder, MASK_1, 0xffff); 3307 write_ID(adder, SOURCE, 0xffff); 3308 write_ID(adder,DST_OCR_B, 3309 (EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY)); 3310 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 0); 3311 adder->error_1 = 0; 3312 adder->error_2 = 0; 3313 adder->slow_dest_dx = 0; /* set up the width of */ 3314 adder->slow_dest_dy = CHAR_HEIGHT; /* rectangle */ 3315 adder->rasterop_mode = (NORMAL | DST_WRITE_ENABLE) ; 3316 (void)wait_status(adder, RASTEROP_COMPLETE); 3317 adder->destination_x = 0; 3318 adder->destination_y = 864 - CHAR_HEIGHT; 3319 adder->fast_dest_dx = 1024; /* set up the height */ 3320 adder->fast_dest_dy = 0; /* of rectangle */ 3321 write_ID(adder, LU_FUNCTION_R2, (FULL_SRC_RESOLUTION | LF_SOURCE)); 3322 adder->cmd = (RASTEROP | OCRB | LF_R2 | DTE ) ; 3323 3324 } /* scroll_up */ 3325 3326 /* 3327 * init shared memory pointers and structures 3328 */ 3329 void 3330 init_shared(unit) 3331 int unit; 3332 { 3333 volatile struct dga *dga; 3334 3335 dga = (struct dga *) qdmap[unit].dga; 3336 3337 /* 3338 * initialize the event queue pointers and header */ 3339 3340 eq_header[unit] = (struct qdinput *) 3341 ((((int)event_shared & ~(0x01FF)) + 512) 3342 + (EVENT_BUFSIZE * unit)); 3343 eq_header[unit]->curs_pos.x = 0; 3344 eq_header[unit]->curs_pos.y = 0; 3345 dga->x_cursor = TRANX(eq_header[unit]->curs_pos.x); 3346 dga->y_cursor = TRANY(eq_header[unit]->curs_pos.y); 3347 eq_header[unit]->curs_box.left = 0; 3348 eq_header[unit]->curs_box.right = 0; 3349 eq_header[unit]->curs_box.top = 0; 3350 eq_header[unit]->curs_box.bottom = 0; 3351 /* 3352 * assign a pointer to the DMA I/O buffer for this QDSS. 3353 */ 3354 DMAheader[unit] = (struct DMAreq_header *) 3355 (((int)(&DMA_shared[0] + 512) & ~0x1FF) 3356 + (DMAbuf_size * unit)); 3357 DMAheader[unit]->DMAreq = (struct DMAreq *) ((int)DMAheader[unit] 3358 + sizeof(struct DMAreq_header)); 3359 DMAheader[unit]->QBAreg = 0; 3360 DMAheader[unit]->status = 0; 3361 DMAheader[unit]->shared_size = DMAbuf_size; 3362 DMAheader[unit]->used = 0; 3363 DMAheader[unit]->size = 10; /* default = 10 requests */ 3364 DMAheader[unit]->oldest = 0; 3365 DMAheader[unit]->newest = 0; 3366 /* 3367 * assign a pointer to the scroll structure for this QDSS. 3368 */ 3369 scroll[unit] = (struct scroll *) 3370 (((int)(&scroll_shared[0] + 512) & ~0x1FF) 3371 + (sizeof(struct scroll) * unit)); 3372 scroll[unit]->status = 0; 3373 scroll[unit]->viper_constant = 0; 3374 scroll[unit]->y_scroll_constant = 0; 3375 scroll[unit]->y_offset = 0; 3376 scroll[unit]->x_index_pending = 0; 3377 scroll[unit]->y_index_pending = 0; 3378 /* 3379 * assign a pointer to the color map write buffer for this QDSS 3380 */ 3381 color_buf[unit] = (struct color_buf *) 3382 (((int)(&color_shared[0] + 512) & ~0x1FF) 3383 + (COLOR_BUFSIZ * unit)); 3384 color_buf[unit]->status = 0; 3385 color_buf[unit]->count = 0; 3386 3387 } /* init_shared */ 3388 3389 /* 3390 * init the ADDER, VIPER, bitmaps, & color map 3391 */ 3392 void 3393 setup_dragon(unit) 3394 int unit; 3395 { 3396 3397 volatile struct adder *adder; 3398 volatile struct dga *dga; 3399 volatile short *memcsr; 3400 int i; 3401 short top; /* clipping/scrolling boundaries */ 3402 short bottom; 3403 short right; 3404 short left; 3405 volatile short *red; /* color map pointers */ 3406 volatile short *green; 3407 volatile short *blue; 3408 3409 /* 3410 * init for setup 3411 */ 3412 adder = (struct adder *) qdmap[unit].adder; 3413 dga = (struct dga *) qdmap[unit].dga; 3414 memcsr = (short *) qdmap[unit].memcsr; 3415 dga->csr &= ~(DMA_IE | 0x700); /* halt DMA and kill the intrpts */ 3416 *memcsr = SYNC_ON; /* blank screen and turn off LED's */ 3417 adder->command = CANCEL; 3418 /* 3419 * set monitor timing 3420 */ 3421 adder->x_scan_count_0 = 0x2800; 3422 adder->x_scan_count_1 = 0x1020; 3423 adder->x_scan_count_2 = 0x003A; 3424 adder->x_scan_count_3 = 0x38F0; 3425 adder->x_scan_count_4 = 0x6128; 3426 adder->x_scan_count_5 = 0x093A; 3427 adder->x_scan_count_6 = 0x313C; 3428 adder->sync_phase_adj = 0x0100; 3429 adder->x_scan_conf = 0x00C8; 3430 /* 3431 * got a bug in secound pass ADDER! lets take care of it 3432 * 3433 * normally, just use the code in the following bug fix code, but to 3434 * make repeated demos look pretty, load the registers as if there was 3435 * no bug and then test to see if we are getting sync 3436 */ 3437 adder->y_scan_count_0 = 0x135F; 3438 adder->y_scan_count_1 = 0x3363; 3439 adder->y_scan_count_2 = 0x2366; 3440 adder->y_scan_count_3 = 0x0388; 3441 /* 3442 * if no sync, do the bug fix code 3443 */ 3444 if (wait_status(adder, VSYNC) == BAD) { 3445 /* first load all Y scan registers with very short frame and 3446 * wait for scroll service. This guarantees at least one SYNC 3447 * to fix the pass 2 Adder initialization bug (synchronizes 3448 * XCINCH with DMSEEDH) 3449 */ 3450 adder->y_scan_count_0 = 0x01; 3451 adder->y_scan_count_1 = 0x01; 3452 adder->y_scan_count_2 = 0x01; 3453 adder->y_scan_count_3 = 0x01; 3454 /* 3455 * delay at least 1 full frame time 3456 */ 3457 (void)wait_status(adder, VSYNC); 3458 (void)wait_status(adder, VSYNC); 3459 /* 3460 * now load the REAL sync values (in reverse order just to 3461 * be safe. 3462 */ 3463 adder->y_scan_count_3 = 0x0388; 3464 adder->y_scan_count_2 = 0x2366; 3465 adder->y_scan_count_1 = 0x3363; 3466 adder->y_scan_count_0 = 0x135F; 3467 } 3468 *memcsr = SYNC_ON | UNBLANK; /* turn off leds and turn on video */ 3469 /* 3470 * zero the index registers 3471 */ 3472 adder->x_index_pending = 0; 3473 adder->y_index_pending = 0; 3474 adder->x_index_new = 0; 3475 adder->y_index_new = 0; 3476 adder->x_index_old = 0; 3477 adder->y_index_old = 0; 3478 adder->pause = 0; 3479 /* 3480 * set rasterop mode to normal pen down 3481 */ 3482 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3483 /* 3484 * set the rasterop registers to a default values 3485 */ 3486 adder->source_1_dx = 1; 3487 adder->source_1_dy = 1; 3488 adder->source_1_x = 0; 3489 adder->source_1_y = 0; 3490 adder->destination_x = 0; 3491 adder->destination_y = 0; 3492 adder->fast_dest_dx = 1; 3493 adder->fast_dest_dy = 0; 3494 adder->slow_dest_dx = 0; 3495 adder->slow_dest_dy = 1; 3496 adder->error_1 = 0; 3497 adder->error_2 = 0; 3498 /* 3499 * scale factor = UNITY 3500 */ 3501 adder->fast_scale = UNITY; 3502 adder->slow_scale = UNITY; 3503 /* 3504 * set the source 2 parameters 3505 */ 3506 adder->source_2_x = 0; 3507 adder->source_2_y = 0; 3508 adder->source_2_size = 0x0022; 3509 /* 3510 * initialize plane addresses for eight vipers 3511 */ 3512 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3513 write_ID(adder, PLANE_ADDRESS, 0x0000); 3514 write_ID(adder, CS_UPDATE_MASK, 0x0002); 3515 write_ID(adder, PLANE_ADDRESS, 0x0001); 3516 write_ID(adder, CS_UPDATE_MASK, 0x0004); 3517 write_ID(adder, PLANE_ADDRESS, 0x0002); 3518 write_ID(adder, CS_UPDATE_MASK, 0x0008); 3519 write_ID(adder, PLANE_ADDRESS, 0x0003); 3520 write_ID(adder, CS_UPDATE_MASK, 0x0010); 3521 write_ID(adder, PLANE_ADDRESS, 0x0004); 3522 write_ID(adder, CS_UPDATE_MASK, 0x0020); 3523 write_ID(adder, PLANE_ADDRESS, 0x0005); 3524 write_ID(adder, CS_UPDATE_MASK, 0x0040); 3525 write_ID(adder, PLANE_ADDRESS, 0x0006); 3526 write_ID(adder, CS_UPDATE_MASK, 0x0080); 3527 write_ID(adder, PLANE_ADDRESS, 0x0007); 3528 /* 3529 * initialize the external registers. 3530 */ 3531 write_ID(adder, CS_UPDATE_MASK, 0x00FF); 3532 write_ID(adder, CS_SCROLL_MASK, 0x00FF); 3533 /* 3534 * initialize resolution mode 3535 */ 3536 write_ID(adder, MEMORY_BUS_WIDTH, 0x000C); /* bus width = 16 */ 3537 write_ID(adder, RESOLUTION_MODE, 0x0000); /* one bit/pixel */ 3538 /* 3539 * initialize viper registers 3540 */ 3541 write_ID(adder, SCROLL_CONSTANT, SCROLL_ENABLE|VIPER_LEFT|VIPER_UP); 3542 write_ID(adder, SCROLL_FILL, 0x0000); 3543 /* 3544 * set clipping and scrolling limits to full screen 3545 */ 3546 for (i = 1000, adder->status = 0; 3547 i > 0 && !(adder->status&ADDRESS_COMPLETE); --i) 3548 ; 3549 if (i == 0) 3550 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3551 top = 0; 3552 bottom = 2048; 3553 left = 0; 3554 right = 1024; 3555 adder->x_clip_min = left; 3556 adder->x_clip_max = right; 3557 adder->y_clip_min = top; 3558 adder->y_clip_max = bottom; 3559 adder->scroll_x_min = left; 3560 adder->scroll_x_max = right; 3561 adder->scroll_y_min = top; 3562 adder->scroll_y_max = bottom; 3563 (void)wait_status(adder, VSYNC); /* wait at LEAST 1 full frame */ 3564 (void)wait_status(adder, VSYNC); 3565 adder->x_index_pending = left; 3566 adder->y_index_pending = top; 3567 adder->x_index_new = left; 3568 adder->y_index_new = top; 3569 adder->x_index_old = left; 3570 adder->y_index_old = top; 3571 3572 for (i = 1000, adder->status = 0; i > 0 && 3573 !(adder->status&ADDRESS_COMPLETE) ; --i) 3574 ; 3575 if (i == 0) 3576 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3577 3578 write_ID(adder, LEFT_SCROLL_MASK, 0x0000); 3579 write_ID(adder, RIGHT_SCROLL_MASK, 0x0000); 3580 /* 3581 * set source and the mask register to all ones (ie: white) o 3582 */ 3583 write_ID(adder, SOURCE, 0xFFFF); 3584 write_ID(adder, MASK_1, 0xFFFF); 3585 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3586 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3587 /* 3588 * initialize Operand Control Register banks for fill command 3589 */ 3590 write_ID(adder, SRC1_OCR_A, EXT_NONE | INT_M1_M2 | NO_ID | WAIT); 3591 write_ID(adder, SRC2_OCR_A, EXT_NONE | INT_SOURCE | NO_ID | NO_WAIT); 3592 write_ID(adder, DST_OCR_A, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3593 write_ID(adder, SRC1_OCR_B, EXT_NONE | INT_SOURCE | NO_ID | WAIT); 3594 write_ID(adder, SRC2_OCR_B, EXT_NONE | INT_M1_M2 | NO_ID | NO_WAIT); 3595 write_ID(adder, DST_OCR_B, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3596 /* 3597 * init Logic Unit Function registers, (these are just common values, 3598 * and may be changed as required). 3599 */ 3600 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3601 write_ID(adder, LU_FUNCTION_R2, FULL_SRC_RESOLUTION | LF_SOURCE | 3602 INV_M1_M2); 3603 write_ID(adder, LU_FUNCTION_R3, FULL_SRC_RESOLUTION | LF_D_OR_S); 3604 write_ID(adder, LU_FUNCTION_R4, FULL_SRC_RESOLUTION | LF_D_XOR_S); 3605 /* 3606 * load the color map for black & white 3607 */ 3608 for (i = 0, adder->status = 0; i < 10000 && !(adder->status&VSYNC); ++i) 3609 ; 3610 3611 if (i == 0) 3612 printf("qd%d: setup_dragon: timeout on VSYNC\n", unit); 3613 3614 red = (short *) qdmap[unit].red; 3615 green = (short *) qdmap[unit].green; 3616 blue = (short *) qdmap[unit].blue; 3617 3618 *red++ = 0x00; /* black */ 3619 *green++ = 0x00; 3620 *blue++ = 0x00; 3621 3622 *red-- = 0xFF; /* white */ 3623 *green-- = 0xFF; 3624 *blue-- = 0xFF; 3625 3626 /* 3627 * set color map for mouse cursor 3628 */ 3629 3630 red += 254; 3631 green += 254; 3632 blue += 254; 3633 3634 *red++ = 0x00; /* black */ 3635 *green++ = 0x00; 3636 *blue++ = 0x00; 3637 3638 *red = 0xFF; /* white */ 3639 *green = 0xFF; 3640 *blue = 0xFF; 3641 3642 } /* setup_dragon */ 3643 3644 /* 3645 * Init the DUART and set defaults in input 3646 */ 3647 void 3648 setup_input(unit) 3649 int unit; 3650 { 3651 volatile struct duart *duart; /* DUART register structure pointer */ 3652 int i, bits; 3653 char id_byte; 3654 3655 duart = (struct duart *) qdmap[unit].duart; 3656 duart->imask = 0; 3657 3658 /* 3659 * setup the DUART for kbd & pointing device 3660 */ 3661 duart->cmdA = RESET_M; /* reset mode reg ptr for kbd */ 3662 duart->modeA = 0x13; /* 8 bits, no parity, rcv IE, */ 3663 /* no RTS control,char error mode */ 3664 duart->modeA = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3665 /* no RTS control,no echo or loop */ 3666 duart->cmdB = RESET_M; /* reset mode reg pntr for host */ 3667 duart->modeB = 0x07; /* 8 bits, odd parity, rcv IE.. */ 3668 /* ..no RTS cntrl, char error mode */ 3669 duart->modeB = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3670 /* no RTS control,no echo or loop */ 3671 duart->auxctl = 0x00; /* baud rate set 1 */ 3672 duart->clkselA = 0x99; /* 4800 baud for kbd */ 3673 duart->clkselB = 0x99; /* 4800 baud for mouse */ 3674 3675 /* reset everything for keyboard */ 3676 3677 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3678 duart->cmdA = bits; 3679 3680 /* reset everything for host */ 3681 3682 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3683 duart->cmdB = bits; 3684 3685 duart->cmdA = EN_RCV | EN_XMT; /* enbl xmt & rcv for kbd */ 3686 duart->cmdB = EN_RCV | EN_XMT; /* enbl xmt & rcv for pointer device */ 3687 3688 /* 3689 * init keyboard defaults (DUART channel A) 3690 */ 3691 for (i = 500; i > 0; --i) { 3692 if (duart->statusA&XMT_RDY) { 3693 duart->dataA = LK_DEFAULTS; 3694 break; 3695 } 3696 } 3697 3698 for (i = 100000; i > 0; --i) { 3699 if (duart->statusA&RCV_RDY) { 3700 break; 3701 } 3702 } 3703 3704 if (duart->dataA) /* flush the ACK */ 3705 ; 3706 3707 /* 3708 * identify the pointing device 3709 */ 3710 for (i = 500; i > 0; --i) { 3711 if (duart->statusB&XMT_RDY) { 3712 duart->dataB = SELF_TEST; 3713 break; 3714 } 3715 } 3716 3717 /* 3718 * wait for 1st byte of self test report */ 3719 3720 for (i = 100000; i > 0; --i) { 3721 if (duart->statusB&RCV_RDY) { 3722 break; 3723 } 3724 } 3725 3726 if (i == 0) { 3727 printf("qd[%d]: setup_input: timeout on 1st byte of self test\n" 3728 ,unit); 3729 goto OUT; 3730 } 3731 3732 if (duart->dataB) 3733 ; 3734 3735 /* 3736 * wait for ID byte of self test report 3737 */ 3738 for (i = 100000; i > 0; --i) { 3739 if (duart->statusB&RCV_RDY) { 3740 break; 3741 } 3742 } 3743 3744 if (i == 0) { 3745 printf("qd[%d]: setup_input: timeout on 2nd byte of self test\n", unit); 3746 goto OUT; 3747 } 3748 3749 id_byte = duart->dataB; 3750 3751 /* 3752 * wait for other bytes to come in 3753 */ 3754 for (i = 100000; i > 0; --i) { 3755 if (duart->statusB & RCV_RDY) { 3756 if (duart->dataB) 3757 ; 3758 break; 3759 } 3760 } 3761 if (i == 0) { 3762 printf("qd[%d]: setup_input: timeout on 3rd byte of self test\n", unit); 3763 goto OUT; 3764 } 3765 for (i = 100000; i > 0; --i) { 3766 if (duart->statusB&RCV_RDY) { 3767 if (duart->dataB) 3768 ; 3769 break; 3770 } 3771 } 3772 if (i == 0) { 3773 printf("qd[%d]: setup_input: timeout on 4th byte of self test\n", unit); 3774 goto OUT; 3775 } 3776 /* 3777 * flag pointing device type and set defaults 3778 */ 3779 for (i=100000; i>0; --i) 3780 ; /*XXX*/ 3781 3782 if ((id_byte & 0x0F) != TABLET_ID) { 3783 qdflags[unit].pntr_id = MOUSE_ID; 3784 3785 for (i = 500; i > 0; --i) { 3786 if (duart->statusB&XMT_RDY) { 3787 duart->dataB = INC_STREAM_MODE; 3788 break; 3789 } 3790 } 3791 } 3792 else { 3793 qdflags[unit].pntr_id = TABLET_ID; 3794 3795 for (i = 500; i > 0; --i) { 3796 if (duart->statusB&XMT_RDY) { 3797 duart->dataB = T_STREAM; 3798 break; 3799 } 3800 } 3801 } 3802 OUT: 3803 duart->imask = qdflags[unit].duart_imask; 3804 3805 } /* setup_input */ 3806 3807 /* 3808 * delay for at least one display frame time 3809 * 3810 * return: BAD means that we timed out without ever seeing the 3811 * vertical sync status bit 3812 * GOOD otherwise 3813 */ 3814 int 3815 wait_status(adder, mask) 3816 volatile struct adder *adder; 3817 int mask; 3818 { 3819 int i; 3820 3821 for (i = 10000, adder->status = 0 ; i > 0 && 3822 !(adder->status&mask) ; --i) 3823 ; 3824 3825 if (i == 0) { 3826 printf("wait_status: timeout polling for 0x%x in adder->status\n", mask); 3827 return(BAD); 3828 } 3829 3830 return(GOOD); 3831 3832 } /* wait_status */ 3833 3834 /* 3835 * write out onto the ID bus 3836 */ 3837 void 3838 write_ID(adder, adrs, data) 3839 volatile struct adder *adder; 3840 short adrs; 3841 short data; 3842 { 3843 int i; 3844 3845 for (i = 100000, adder->status = 0 ; 3846 i > 0 && !(adder->status&ADDRESS_COMPLETE) ; --i) 3847 ; 3848 3849 if (i == 0) 3850 goto ERR; 3851 3852 for (i = 100000, adder->status = 0 ; 3853 i > 0 && !(adder->status&TX_READY) ; --i) 3854 ; 3855 3856 if (i > 0) { 3857 adder->id_data = data; 3858 adder->command = ID_LOAD | adrs; 3859 return ; 3860 } 3861 3862 ERR: 3863 printf("write_ID: timeout trying to write to VIPER\n"); 3864 return ; 3865 3866 } /* write_ID */ 3867