qd.c revision 1.22.2.5
1 /* $NetBSD: qd.c,v 1.22.2.5 2002/10/02 21:51:40 jdolecek Exp $ */ 2 3 /*- 4 * Copyright (c) 1988 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)qd.c 7.1 (Berkeley) 6/28/91 36 */ 37 38 /************************************************************************ 39 * * 40 * Copyright (c) 1985-1988 by * 41 * Digital Equipment Corporation, Maynard, MA * 42 * All rights reserved. * 43 * * 44 * This software is furnished under a license and may be used and * 45 * copied only in accordance with the terms of such license and * 46 * with the inclusion of the above copyright notice. This * 47 * software or any other copies thereof may not be provided or * 48 * otherwise made available to any other person. No title to and * 49 * ownership of the software is hereby transferred. * 50 * * 51 * The information in this software is subject to change without * 52 * notice and should not be construed as a commitment by Digital * 53 * Equipment Corporation. * 54 * * 55 * Digital assumes no responsibility for the use or reliability * 56 * of its software on equipment which is not supplied by Digital. * 57 * * 58 *************************************************************************/ 59 60 /* 61 * qd.c - QDSS display driver for VAXSTATION-II GPX workstation 62 */ 63 64 #include <sys/cdefs.h> 65 __KERNEL_RCSID(0, "$NetBSD: qd.c,v 1.22.2.5 2002/10/02 21:51:40 jdolecek Exp $"); 66 67 #include "opt_ddb.h" 68 69 #include "qd.h" 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/conf.h> 74 #include <sys/tty.h> 75 #include <sys/kernel.h> 76 #include <sys/device.h> 77 #include <sys/poll.h> 78 #include <sys/buf.h> 79 80 #include <uvm/uvm_extern.h> 81 82 #include <dev/cons.h> 83 84 #include <machine/bus.h> 85 #include <machine/scb.h> 86 87 #ifdef __vax__ 88 #include <machine/sid.h> 89 #include <machine/cpu.h> 90 #include <machine/pte.h> 91 #endif 92 93 #include <dev/qbus/ubavar.h> 94 95 #include <dev/qbus/qduser.h> 96 #include <dev/qbus/qdreg.h> 97 #include <dev/qbus/qdioctl.h> 98 99 #include "ioconf.h" 100 101 /* 102 * QDSS driver status flags for tracking operational state 103 */ 104 struct qdflags { 105 u_int inuse; /* which minor dev's are in use now */ 106 u_int config; /* I/O page register content */ 107 u_int mapped; /* user mapping status word */ 108 u_int kernel_loop; /* if kernel console is redirected */ 109 u_int user_dma; /* DMA from user space in progress */ 110 u_short pntr_id; /* type code of pointing device */ 111 u_short duart_imask; /* shadowing for duart intrpt mask reg */ 112 u_short adder_ie; /* shadowing for adder intrpt enbl reg */ 113 u_short curs_acc; /* cursor acceleration factor */ 114 u_short curs_thr; /* cursor acceleration threshold level */ 115 u_short tab_res; /* tablet resolution factor */ 116 u_short selmask; /* mask for active qd select entries */ 117 }; 118 119 /* 120 * Softc struct to keep track of all states in this driver. 121 */ 122 struct qd_softc { 123 struct device sc_dev; 124 bus_space_tag_t sc_iot; 125 bus_space_handle_t sc_ioh; 126 bus_dma_tag_t sc_dmat; 127 }; 128 129 /* 130 * bit definitions for 'inuse' entry 131 */ 132 #define CONS_DEV 0x01 133 #define GRAPHIC_DEV 0x04 134 135 /* 136 * bit definitions for 'mapped' member of flag structure 137 */ 138 #define MAPDEV 0x01 /* hardware is mapped */ 139 #define MAPDMA 0x02 /* DMA buffer mapped */ 140 #define MAPEQ 0x04 /* event queue buffer mapped */ 141 #define MAPSCR 0x08 /* scroll param area mapped */ 142 #define MAPCOLOR 0x10 /* color map writing buffer mapped */ 143 144 /* 145 * constants used in shared memory operations 146 */ 147 #define EVENT_BUFSIZE 1024 /* # of bytes per device's event buffer */ 148 #define MAXEVENTS ( (EVENT_BUFSIZE - sizeof(struct qdinput)) \ 149 / sizeof(struct _vs_event) ) 150 #define DMA_BUFSIZ (1024 * 10) 151 #define COLOR_BUFSIZ ((sizeof(struct color_buf) + 512) & ~0x01FF) 152 153 /* 154 * reference to an array of "uba_device" structures built by the auto 155 * configuration program. The uba_device structure decribes the device 156 * sufficiently for the driver to talk to it. The auto configuration code 157 * fills in the uba_device structures (located in ioconf.c) from user 158 * maintained info. 159 */ 160 struct uba_device *qdinfo[NQD]; /* array of pntrs to each QDSS's */ 161 struct tty *qd_tty[NQD*4]; /* teletype structures for each.. */ 162 volatile char *qvmem[NQD]; 163 volatile struct pte *QVmap[NQD]; 164 #define CHUNK (64 * 1024) 165 #define QMEMSIZE (1024 * 1024 * 4) /* 4 meg */ 166 167 /* 168 * static storage used by multiple functions in this code 169 */ 170 int Qbus_unmap[NQD]; /* Qbus mapper release code */ 171 struct qdmap qdmap[NQD]; /* QDSS register map structure */ 172 struct qdflags qdflags[NQD]; /* QDSS register map structure */ 173 caddr_t qdbase[NQD]; /* base address of each QDSS unit */ 174 struct buf qdbuf[NQD]; /* buf structs used by strategy */ 175 short qdopened[NQD]; /* graphics device is open exclusive use */ 176 177 /* 178 * the array "event_shared[]" is made up of a number of event queue buffers 179 * equal to the number of QDSS's configured into the running kernel (NQD). 180 * Each event queue buffer begins with an event queue header (struct qdinput) 181 * followed by a group of event queue entries (struct _vs_event). The array 182 * "*eq_header[]" is an array of pointers to the start of each event queue 183 * buffer in "event_shared[]". 184 */ 185 #define EQSIZE ((EVENT_BUFSIZE * NQD) + 512) 186 187 char event_shared[EQSIZE]; /* reserve space for event bufs */ 188 struct qdinput *eq_header[NQD]; /* event queue header pntrs */ 189 190 /* 191 * This allocation method reserves enough memory pages for NQD shared DMA I/O 192 * buffers. Each buffer must consume an integral number of memory pages to 193 * guarantee that a following buffer will begin on a page boundary. Also, 194 * enough space is allocated so that the FIRST I/O buffer can start at the 195 * 1st page boundary after "&DMA_shared". Page boundaries are used so that 196 * memory protections can be turned on/off for individual buffers. 197 */ 198 #define IOBUFSIZE ((DMA_BUFSIZ * NQD) + 512) 199 200 char DMA_shared[IOBUFSIZE]; /* reserve I/O buffer space */ 201 struct DMAreq_header *DMAheader[NQD]; /* DMA buffer header pntrs */ 202 203 /* 204 * The driver assists a client in scroll operations by loading dragon 205 * registers from an interrupt service routine. The loading is done using 206 * parameters found in memory shrade between the driver and it's client. 207 * The scroll parameter structures are ALL loacted in the same memory page 208 * for reasons of memory economy. 209 */ 210 char scroll_shared[2 * 512]; /* reserve space for scroll structs */ 211 struct scroll *scroll[NQD]; /* pointers to scroll structures */ 212 213 /* 214 * the driver is programmable to provide the user with color map write 215 * services at VSYNC interrupt time. At interrupt time the driver loads 216 * the color map with any user-requested load data found in shared memory 217 */ 218 #define COLOR_SHARED ((COLOR_BUFSIZ * NQD) + 512) 219 220 char color_shared[COLOR_SHARED]; /* reserve space: color bufs */ 221 struct color_buf *color_buf[NQD]; /* pointers to color bufs */ 222 223 /* 224 * mouse input event structures 225 */ 226 struct mouse_report last_rep[NQD]; 227 struct mouse_report current_rep[NQD]; 228 229 struct selinfo qdrsel[NQD]; /* process waiting for select */ 230 struct _vs_cursor cursor[NQD]; /* console cursor */ 231 int qdcount = 0; /* count of successfully probed qd's */ 232 int nNQD = NQD; 233 int DMAbuf_size = DMA_BUFSIZ; 234 int QDlast_DMAtype; /* type of the last DMA operation */ 235 236 /* #define QDSSMAJOR 41 */ /* QDSS major device number. We don't care! */ 237 238 /* 239 * macro to get system time. Used to time stamp event queue entries 240 */ 241 #define TOY ((time.tv_sec * 100) + (time.tv_usec / 10000)) 242 243 void qd_attach __P((struct device *, struct device *, void *)); 244 static int qd_match __P((struct device *, struct cfdata *, void *)); 245 246 static void qddint __P((void *)); /* DMA gate array intrpt service */ 247 static void qdaint __P((void *)); /* Dragon ADDER intrpt service */ 248 static void qdiint __P((void *)); 249 250 #define QDPRIOR (PZERO-1) /* must be negative */ 251 #define FALSE 0 252 #ifdef TRUE 253 #undef TRUE 254 #endif 255 #define TRUE ~FALSE 256 #define BAD -1 257 #define GOOD 0 258 259 /* 260 * macro to create a system virtual page number from system virtual adrs 261 */ 262 #define VTOP(x) (((int)x & ~0xC0000000) >> VAX_PGSHIFT) 263 264 /* 265 * QDSS register address offsets from start of QDSS address space 266 */ 267 #define QDSIZE (52 * 1024) /* size of entire QDSS foot print */ 268 #define TMPSIZE (16 * 1024) /* template RAM is 8k SHORT WORDS */ 269 #define TMPSTART 0x8000 /* offset of template RAM from base adrs */ 270 #define REGSIZE (5 * 512) /* regs touch 2.5k (5 pages) of addr space */ 271 #define REGSTART 0xC000 /* offset of reg pages from base adrs */ 272 #define ADDER (REGSTART+0x000) 273 #define DGA (REGSTART+0x200) 274 #define DUART (REGSTART+0x400) 275 #define MEMCSR (REGSTART+0x800) 276 #define CLRSIZE (3 * 512) /* color map size */ 277 #define CLRSTART (REGSTART+0xA00) /* color map start offset from base */ 278 /* 0x0C00 really */ 279 #define RED (CLRSTART+0x000) 280 #define BLUE (CLRSTART+0x200) 281 #define GREEN (CLRSTART+0x400) 282 283 284 /* 285 * QDSS minor device numbers. The *real* minor device numbers are in 286 * the bottom two bits of the major/minor device spec. Bits 2 and up are 287 * used to specify the QDSS device number (ie: which one?) 288 */ 289 290 #define CONS 0 291 #define GRAPHIC 2 292 293 /* 294 * console cursor bitmap (white block cursor) 295 */ 296 short cons_cursor[32] = { 297 /* A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 298 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 299 /* B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 300 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF 301 }; 302 303 /* 304 * constants used in font operations 305 */ 306 #define CHARS 190 /* # of chars in the font */ 307 #define CHAR_HEIGHT 15 /* char height in pixels */ 308 #define CHAR_WIDTH 8 /* char width in pixels*/ 309 #define FONT_WIDTH (CHAR_WIDTH * CHARS) /* font width in pixels */ 310 #define ROWS CHAR_HEIGHT 311 #define FONT_X 0 /* font's off screen adrs */ 312 #define FONT_Y (2048 - CHAR_HEIGHT) 313 314 /* Offset to second row characters (XXX - should remove) */ 315 #define FONT_OFFSET ((MAX_SCREEN_X/CHAR_WIDTH)*CHAR_HEIGHT) 316 317 extern char q_font[]; /* reference font object code */ 318 extern u_short q_key[]; /* reference key xlation tables */ 319 extern u_short q_shift_key[]; 320 extern char *q_special[]; 321 322 /* 323 * definitions for cursor acceleration reporting 324 */ 325 #define ACC_OFF 0x01 /* acceleration is inactive */ 326 327 /* 328 * virtual console support. 329 */ 330 extern struct cdevsw *consops; 331 cons_decl(qd); 332 cdev_decl(qd); 333 void setup_dragon __P((int)); 334 void init_shared __P((int)); 335 void clear_qd_screen __P((int)); 336 void ldfont __P((int)); 337 void ldcursor __P((int, short *)); 338 void setup_input __P((int)); 339 void blitc __P((int, u_char)); 340 void scroll_up __P((volatile struct adder *)); 341 void write_ID __P((volatile struct adder *, short, short)); 342 int wait_status __P((volatile struct adder *, int)); 343 void led_control __P((int, int, int)); 344 void qdstart(struct tty *); 345 void qdearly(void); 346 int qdpolling = 0; 347 348 /* 349 * LK-201 state storage for input console keyboard conversion to ASCII 350 */ 351 struct q_keyboard { 352 int shift; /* state variables */ 353 int cntrl; 354 int lock; 355 int lastcode; /* last keycode typed */ 356 unsigned kup[8]; /* bits for each keycode*/ 357 unsigned dkeys[8]; /* down/up mode keys */ 358 char last; /* last character */ 359 } q_keyboard; 360 361 /* 362 * tty settings on first open 363 */ 364 #define IFLAG (BRKINT|ISTRIP|IXON|IXANY|ICRNL|IMAXBEL) 365 #define OFLAG (OPOST|OXTABS|ONLCR) 366 #define LFLAG (ISIG|ICANON|ECHO|IEXTEN) 367 #define CFLAG (PARENB|CREAD|CS7|CLOCAL) 368 369 /* 370 * Kernel virtual addresses where we can map in the QBUS io page and the 371 * QDSS memory during qdcninit. pmap_bootstrap fills this in. 372 */ 373 void *qd_ubaio; 374 375 /* This is the QDSS unit 0 CSR. It is hard-coded in here so that the 376 * QDSS can be used as the console. The console routines don't get 377 * any config info. The ROM also autodetects at this address, so 378 * the console QDSS should be at this address. Furthermore, nothing 379 * else shuld be at this address instead because that would confuse the 380 * ROM and this driver. 381 */ 382 #define QDSSCSR 0x1F00 383 384 volatile u_short *qdaddr; /* Virtual address for QDSS CSR */ 385 386 /* 387 * This flag is set to 1 if the console initialization (qdcninit) 388 * has been performed on qd0. That initialization is required and must 389 * be done before the device probe routine. 390 */ 391 int qd0cninited = 0, qd0iscons = 0; 392 393 /* 394 * Do early check if the qdss is console. If not; don't allocate 395 * any memory for it in bootstrap. 396 */ 397 void 398 qdearly() 399 { 400 extern vaddr_t virtual_avail; 401 int tmp; 402 403 /* Make sure we're running on a system that can have a QDSS */ 404 if (vax_boardtype == VAX_BTYP_630) { 405 /* Now check some undocumented flag */ 406 if ((*(int *)(0x200B801E) & 0x60) == 0) 407 /* The KA630 isn't using a QDSS as the console, 408 * so we won't either */ 409 return; 410 } else if (vax_boardtype != VAX_BTYP_650) 411 return; 412 413 /* How to check for console on KA650? We assume that if there is a 414 * QDSS, it is console. 415 */ 416 #define QIOPAGE 0x20000000 /* XXX */ 417 #define UBAIOPAGES 16 418 tmp = QIOPAGE + ubdevreg(QDSSCSR); 419 if (badaddr((caddr_t)tmp, sizeof(short))) 420 return; 421 422 MAPVIRT(qvmem[0], 64 * 1024 * NQD / VAX_NBPG); 423 MAPVIRT(qd_ubaio, 16); 424 pmap_map((int)qd_ubaio, QIOPAGE, QIOPAGE + UBAIOPAGES * VAX_NBPG, 425 VM_PROT_READ|VM_PROT_WRITE); 426 qdaddr = (u_short *)((u_int)qd_ubaio + ubdevreg(QDSSCSR)); 427 qd0iscons = 1; 428 } 429 430 void 431 qdcnprobe(cndev) 432 struct consdev *cndev; 433 { 434 int i; 435 436 cndev->cn_pri = CN_DEAD; 437 438 if (mfpr(PR_MAPEN) == 0) 439 return; /* Cannot use qd if vm system is OFF */ 440 441 if (!qd0iscons) 442 return; 443 444 /* Find the console device corresponding to the console QDSS */ 445 for (i = 0; i < nchrdev; i++) 446 if (cdevsw[i].d_open == qdopen) { 447 cndev->cn_dev = makedev(i,0); 448 cndev->cn_pri = CN_INTERNAL; 449 return; 450 } 451 return; 452 } 453 454 455 /* 456 * Init QDSS as console (before probe routine) 457 */ 458 void 459 qdcninit(cndev) 460 struct consdev *cndev; 461 { 462 caddr_t phys_adr; /* physical QDSS base adrs */ 463 u_int mapix; /* index into QVmap[] array */ 464 int unit; 465 466 /* qdaddr must point to CSR for this unit! */ 467 468 /* The console QDSS is QDSS unit 0 */ 469 unit = 0; 470 471 /* 472 * Map q-bus memory used by qdss. (separate map) 473 */ 474 mapix = QMEMSIZE - (CHUNK * (unit + 1)); 475 #define QMEM 0x30000000 476 (int)phys_adr = QMEM + mapix; 477 pmap_map((int)(qvmem[0]), (int)phys_adr, (int)(phys_adr + (CHUNK*NQD)), 478 VM_PROT_READ|VM_PROT_WRITE); 479 480 /* 481 * Set QVmap to point to page table entries for what we just 482 * mapped. 483 */ 484 QVmap[0] = (struct pte *)kvtopte(qvmem[0]); 485 486 /* 487 * tell QDSS which Q memory address base to decode 488 * (shifted right 16 bits - its in 64K units) 489 */ 490 *qdaddr = (u_short)((int)mapix >> 16); 491 qdflags[unit].config = *(u_short *)qdaddr; 492 493 /* 494 * load qdmap struct with the virtual addresses of the QDSS elements 495 */ 496 qdbase[unit] = (caddr_t) (qvmem[0]); 497 qdmap[unit].template = qdbase[unit] + TMPSTART; 498 qdmap[unit].adder = qdbase[unit] + ADDER; 499 qdmap[unit].dga = qdbase[unit] + DGA; 500 qdmap[unit].duart = qdbase[unit] + DUART; 501 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 502 qdmap[unit].red = qdbase[unit] + RED; 503 qdmap[unit].blue = qdbase[unit] + BLUE; 504 qdmap[unit].green = qdbase[unit] + GREEN; 505 506 qdflags[unit].duart_imask = 0; /* init shadow variables */ 507 508 /* 509 * init the QDSS 510 */ 511 512 *(short *)qdmap[unit].memcsr |= SYNC_ON; /* once only: turn on sync */ 513 514 cursor[unit].x = 0; 515 cursor[unit].y = 0; 516 init_shared(unit); /* init shared memory */ 517 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 518 clear_qd_screen(unit); /* clear the screen */ 519 ldfont(unit); /* load the console font */ 520 ldcursor(unit, cons_cursor); /* load default cursor map */ 521 setup_input(unit); /* init the DUART */ 522 523 /* Set flag so probe knows */ 524 qd0cninited = 1; 525 } /* qdcninit */ 526 527 /* see <sys/device.h> */ 528 struct cfattach qd_ca = { 529 sizeof(struct qd_softc), qd_match, qd_attach 530 }; 531 532 #define QD_RCSR(reg) \ 533 bus_space_read_2(sc->sc_iot, sc->sc_ioh, reg) 534 #define QD_WCSR(reg, val) \ 535 bus_space_write_2(sc->sc_iot, sc->sc_ioh, reg, val) 536 537 /* 538 * Configure QDSS into Q memory and make it intrpt. 539 * 540 * side effects: QDSS gets mapped into Qbus memory space at the first 541 * vacant 64kb boundary counting back from the top of 542 * Qbus memory space (qvmem+4mb) 543 * 544 * return: QDSS bus request level and vector address returned in 545 * registers by UNIX convention. 546 * 547 */ 548 static int 549 qd_match(parent, match, aux) 550 struct device *parent; 551 struct cfdata *match; 552 void *aux; 553 { 554 struct qd_softc ssc; 555 struct qd_softc *sc = &ssc; 556 struct uba_attach_args *ua = aux; 557 struct uba_softc *uh = (void *)parent; 558 int unit; 559 volatile struct dga *dga; /* pointer to gate array structure */ 560 int vector; 561 #ifdef notdef 562 int *ptep; /* page table entry pointer */ 563 caddr_t phys_adr; /* physical QDSS base adrs */ 564 u_int mapix; 565 #endif 566 567 /* Create a "fake" softc with only a few fields used. */ 568 sc->sc_iot = ua->ua_iot; 569 sc->sc_ioh = ua->ua_ioh; 570 sc->sc_dmat = ua->ua_dmat; 571 /* 572 * calculate board unit number from I/O page register address 573 */ 574 unit = (int) (((int)sc->sc_ioh >> 1) & 0x0007); 575 576 /* 577 * QDSS regs must be mapped to Qbus memory space at a 64kb 578 * physical boundary. The Qbus memory space is mapped into 579 * the system memory space at config time. After config 580 * runs, "qvmem[0]" (ubavar.h) holds the system virtual adrs 581 * of the start of Qbus memory. The Qbus memory page table 582 * is found via an array of pte ptrs called "QVmap[]" (ubavar.h) 583 * which is also loaded at config time. These are the 584 * variables used below to find a vacant 64kb boundary in 585 * Qbus memory, and load it's corresponding physical adrs 586 * into the QDSS's I/O page CSR. 587 */ 588 589 /* 590 * Only if QD is the graphics device. 591 */ 592 593 /* if this QDSS is NOT the console, then do init here.. */ 594 595 if (unit != 0) { 596 printf("qd: can't support two qdss's (yet)\n"); 597 #ifdef notdef /* can't test */ 598 if (v_consputc != qdputc || unit != 0) { 599 600 /* 601 * read QDSS config info 602 */ 603 qdflags[unit].config = *(u_short *)reg; 604 605 /* 606 * find an empty 64kb adrs boundary 607 */ 608 609 qdbase[unit] = (caddr_t) (qvmem[0] + QMEMSIZE - CHUNK); 610 611 /* 612 * find the cpusw entry that matches this machine. 613 */ 614 cpup = &cpusw[cpu]; 615 while (!(BADADDR(qdbase[unit], sizeof(short)))) 616 qdbase[unit] -= CHUNK; 617 618 /* 619 * tell QDSS which Q memory address base to decode 620 */ 621 mapix = (int) (VTOP(qdbase[unit]) - VTOP(qvmem[0])); 622 ptep = (int *) QVmap[0] + mapix; 623 phys_adr = (caddr_t)(((int)*ptep&0x001FFFFF)<<VAX_PGSHIFT); 624 *(u_short *)reg = (u_short) ((int)phys_adr >> 16); 625 626 /* 627 * load QDSS adrs map with system addresses 628 * of device regs 629 */ 630 qdmap[unit].template = qdbase[unit] + TMPSTART; 631 qdmap[unit].adder = qdbase[unit] + ADDER; 632 qdmap[unit].dga = qdbase[unit] + DGA; 633 qdmap[unit].duart = qdbase[unit] + DUART; 634 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 635 qdmap[unit].red = qdbase[unit] + RED; 636 qdmap[unit].blue = qdbase[unit] + BLUE; 637 qdmap[unit].green = qdbase[unit] + GREEN; 638 639 /* device init */ 640 641 cursor[unit].x = 0; 642 cursor[unit].y = 0; 643 init_shared(unit); /* init shared memory */ 644 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 645 ldcursor(unit, cons_cursor); /* load default cursor map */ 646 setup_input(unit); /* init the DUART */ 647 clear_qd_screen(unit); 648 ldfont(unit); /* load the console font */ 649 650 /* once only: turn on sync */ 651 652 *(short *)qdmap[unit].memcsr |= SYNC_ON; 653 } 654 #endif /*notdef*/ 655 } else { 656 /* We are dealing with qd0 */ 657 658 if (!qd0cninited) { 659 /* 660 * qd0 has not been initiallized as the console. 661 * We need to do some initialization now 662 * 663 * XXX 664 * However, if the QDSS is not the console then 665 * that stupid undocumented bit (see qdcnprobe) 666 * is cleared. Then the QDSS refuses to work. 667 * (What did the ROM do to it!?) 668 * XXX 669 */ 670 return 0; 671 672 #if 0 673 qdaddr = (void *)reg; 674 675 /* Lame probe for QDSS. Should be ok for qd0 */ 676 if (badaddr((caddr_t)qdaddr, sizeof(short))) 677 return 0; 678 679 qdcninit(NULL); 680 #endif 681 } 682 } 683 684 685 /* 686 * The QDSS interrupts at HEX vectors xx0 (DMA) xx4 687 * (ADDER) and xx8 (DUART). Therefore, we take three 688 * vectors from the vector pool, and then continue 689 * to take them until we get a xx0 HEX vector. The 690 * pool provides vectors in contiguous decending 691 * order. 692 */ 693 694 vector = (uh->uh_lastiv -= 4*3); /* take three vectors */ 695 696 while (vector & 0x0F) { /* if lo nibble != 0.. */ 697 /* ..take another vector */ 698 vector = (uh->uh_lastiv -= 4); 699 } 700 701 /* 702 * setup DGA to do a DMA interrupt (transfer count = 0) 703 */ 704 dga = (struct dga *) qdmap[unit].dga; 705 dga->csr = (short) HALT; /* disable everything */ 706 dga->ivr = (short) vector; /* load intrpt base vector */ 707 dga->bytcnt_lo = (short) 0; /* DMA xfer count = 0 */ 708 dga->bytcnt_hi = (short) 0; 709 710 /* 711 * turn on DMA interrupts 712 */ 713 dga->csr &= ~SET_DONE_FIFO; 714 dga->csr |= DMA_IE | DL_ENB; 715 716 DELAY(20000); /* wait for the intrpt */ 717 dga->csr = HALT; /* stop the wheels */ 718 719 /* 720 * score this as an existing qdss 721 */ 722 qdcount++; 723 724 return 1; 725 } /* qdprobe */ 726 727 728 void qd_attach(parent, self, aux) 729 struct device *parent, *self; 730 void *aux; 731 { 732 struct uba_attach_args *ua = aux; 733 int unit; /* QDSS module # for this call */ 734 735 printf("\n"); 736 737 unit = self->dv_unit; /* get QDSS number */ 738 739 /* Set interrupt vectors for interrupt handlers */ 740 741 uba_intr_establish(ua->ua_icookie, ua->ua_cvec , qddint, self); 742 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 4, qdaint, self); 743 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 8, qdiint, self); 744 745 /* 746 * init "qdflags[]" for this QDSS 747 */ 748 qdflags[unit].inuse = 0; /* init inuse variable EARLY! */ 749 qdflags[unit].mapped = 0; 750 qdflags[unit].kernel_loop = -1; 751 qdflags[unit].user_dma = 0; 752 qdflags[unit].curs_acc = ACC_OFF; 753 qdflags[unit].curs_thr = 128; 754 qdflags[unit].tab_res = 2; /* default tablet resolution factor */ 755 qdflags[unit].duart_imask = 0; /* init shadow variables */ 756 qdflags[unit].adder_ie = 0; 757 758 /* 759 * init structures used in kbd/mouse interrupt service. This code must 760 * come after the "init_shared()" routine has run since that routine 761 * inits the eq_header[unit] structure used here. 762 */ 763 764 /* 765 * init the "latest mouse report" structure 766 */ 767 last_rep[unit].state = 0; 768 last_rep[unit].dx = 0; 769 last_rep[unit].dy = 0; 770 last_rep[unit].bytcnt = 0; 771 772 /* 773 * init the event queue (except mouse position) 774 */ 775 eq_header[unit]->header.events = 776 (struct _vs_event *)((int)eq_header[unit] + sizeof(struct qdinput)); 777 778 eq_header[unit]->header.size = MAXEVENTS; 779 eq_header[unit]->header.head = 0; 780 eq_header[unit]->header.tail = 0; 781 782 /* 783 * open exclusive for graphics device. 784 */ 785 qdopened[unit] = 0; 786 787 } /* qdattach */ 788 789 790 /*ARGSUSED*/ 791 int 792 qdopen(dev, flag, mode, p) 793 dev_t dev; 794 int flag, mode; 795 struct proc *p; 796 { 797 volatile struct dga *dga; /* ptr to gate array struct */ 798 struct tty *tp; 799 volatile struct duart *duart; 800 int unit; 801 int minor_dev; 802 803 minor_dev = minor(dev); /* get QDSS minor device number */ 804 unit = minor_dev >> 2; 805 806 /* 807 * check for illegal conditions 808 */ 809 if (unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[unit] == NULL) 810 return (ENXIO); /* no such device or address */ 811 812 duart = (struct duart *) qdmap[unit].duart; 813 dga = (struct dga *) qdmap[unit].dga; 814 815 if ((minor_dev & 0x03) == 2) { 816 /* 817 * this is the graphic device... 818 */ 819 if (qdopened[unit] != 0) 820 return(EBUSY); 821 else 822 qdopened[unit] = 1; 823 qdflags[unit].inuse |= GRAPHIC_DEV; /* graphics dev is open */ 824 /* 825 * enble kbd & mouse intrpts in DUART mask reg 826 */ 827 qdflags[unit].duart_imask |= 0x22; 828 duart->imask = qdflags[unit].duart_imask; 829 } else { 830 /* Only one console */ 831 if (minor_dev) return ENXIO; 832 833 /* If not done already, allocate tty structure */ 834 if (qd_tty[minor_dev] == NULL) 835 qd_tty[minor_dev] = ttymalloc(); 836 837 if (qd_tty[minor_dev] == NULL) 838 return ENXIO; 839 840 /* 841 * this is the console 842 */ 843 qdflags[unit].inuse |= CONS_DEV; /* mark console as open */ 844 dga->csr |= CURS_ENB; 845 qdflags[unit].duart_imask |= 0x02; 846 duart->imask = qdflags[unit].duart_imask; 847 /* 848 * some setup for tty handling 849 */ 850 tp = qd_tty[minor_dev]; 851 /* tp->t_addr = ui->ui_addr; */ 852 tp->t_oproc = qdstart; 853 tp->t_dev = dev; 854 if ((tp->t_state & TS_ISOPEN) == 0) { 855 ttychars(tp); 856 tp->t_ispeed = B9600; 857 tp->t_ospeed = B9600; 858 tp->t_state = TS_ISOPEN | TS_CARR_ON; 859 tp->t_iflag = TTYDEF_IFLAG; 860 tp->t_oflag = TTYDEF_OFLAG; 861 tp->t_lflag = TTYDEF_LFLAG; 862 tp->t_cflag = TTYDEF_CFLAG; 863 ttsetwater(tp); 864 } 865 /* 866 * enable intrpts, open line discipline 867 */ 868 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 869 return ((*tp->t_linesw->l_open)(dev, tp)); 870 } 871 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 872 return(0); 873 874 } /* qdopen */ 875 876 /*ARGSUSED*/ 877 int 878 qdclose(dev, flag, mode, p) 879 dev_t dev; 880 int flag, mode; 881 struct proc *p; 882 { 883 struct tty *tp; 884 struct qdmap *qd; 885 volatile int *ptep; 886 volatile struct dga *dga; /* gate array register map pointer */ 887 volatile struct duart *duart; 888 volatile struct adder *adder; 889 int unit; 890 int minor_dev; 891 u_int mapix; 892 int i; /* SIGNED index */ 893 struct uba_softc *uh; 894 895 minor_dev = minor(dev); /* get minor device number */ 896 unit = minor_dev >> 2; /* get QDSS number */ 897 qd = &qdmap[unit]; 898 899 uh = (struct uba_softc *) 900 (((struct device *)(qd_cd.cd_devs[unit]))->dv_parent); 901 902 903 if ((minor_dev & 0x03) == 2) { 904 /* 905 * this is the graphic device... 906 */ 907 if (qdopened[unit] != 1) 908 return(EBUSY); 909 else 910 qdopened[unit] = 0; /* allow it to be re-opened */ 911 /* 912 * re-protect device memory 913 */ 914 if (qdflags[unit].mapped & MAPDEV) { 915 /* 916 * TEMPLATE RAM 917 */ 918 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 919 ptep = (int *)(QVmap[0] + mapix); 920 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 921 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 922 /* 923 * ADDER 924 */ 925 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 926 ptep = (int *)(QVmap[0] + mapix); 927 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 928 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 929 /* 930 * COLOR MAPS 931 */ 932 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 933 ptep = (int *)(QVmap[0] + mapix); 934 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 935 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 936 } 937 938 /* 939 * re-protect DMA buffer and free the map registers 940 */ 941 if (qdflags[unit].mapped & MAPDMA) { 942 panic("Unmapping unmapped buffer"); 943 #ifdef notyet 944 /* 945 * Ragge 990620: 946 * Can't happen because the buffer can't be mapped. 947 */ 948 dga = (struct dga *) qdmap[unit].dga; 949 adder = (struct adder *) qdmap[unit].adder; 950 dga->csr &= ~DMA_IE; 951 dga->csr &= ~0x0600; /* kill DMA */ 952 adder->command = CANCEL; 953 /* 954 * if DMA was running, flush spurious intrpt 955 */ 956 if (dga->bytcnt_lo != 0) { 957 dga->bytcnt_lo = 0; 958 dga->bytcnt_hi = 0; 959 DMA_SETIGNORE(DMAheader[unit]); 960 dga->csr |= DMA_IE; 961 dga->csr &= ~DMA_IE; 962 } 963 ptep = (int *) 964 ((VTOP(DMAheader[unit]*4)) + (mfpr(PR_SBR)|0x80000000)); 965 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 966 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 967 ubarelse(uh, &Qbus_unmap[unit]); 968 #endif 969 } 970 971 /* 972 * re-protect 1K (2 pages) event queue 973 */ 974 if (qdflags[unit].mapped & MAPEQ) { 975 ptep = (int *) 976 ((VTOP(eq_header[unit])*4) + (mfpr(PR_SBR)|0x80000000)); 977 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 978 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 979 } 980 /* 981 * re-protect scroll param area and disable scroll intrpts 982 */ 983 if (qdflags[unit].mapped & MAPSCR) { 984 ptep = (int *) ((VTOP(scroll[unit]) * 4) 985 + (mfpr(PR_SBR) | 0x80000000)); 986 /* 987 * re-protect 512 scroll param area 988 */ 989 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 990 adder = (struct adder *) qdmap[unit].adder; 991 qdflags[unit].adder_ie &= ~FRAME_SYNC; 992 adder->interrupt_enable = qdflags[unit].adder_ie; 993 } 994 /* 995 * re-protect color map write buffer area and kill intrpts 996 */ 997 if (qdflags[unit].mapped & MAPCOLOR) { 998 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 999 + (mfpr(PR_SBR) | 0x80000000)); 1000 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1001 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1002 color_buf[unit]->status = 0; 1003 adder = (struct adder *) qdmap[unit].adder; 1004 qdflags[unit].adder_ie &= ~VSYNC; 1005 adder->interrupt_enable = qdflags[unit].adder_ie; 1006 } 1007 mtpr(0, PR_TBIA); 1008 /* flag everything now unmapped */ 1009 qdflags[unit].mapped = 0; 1010 qdflags[unit].inuse &= ~GRAPHIC_DEV; 1011 qdflags[unit].curs_acc = ACC_OFF; 1012 qdflags[unit].curs_thr = 128; 1013 /* 1014 * restore the console 1015 */ 1016 dga = (struct dga *) qdmap[unit].dga; 1017 adder = (struct adder *) qdmap[unit].adder; 1018 dga->csr &= ~DMA_IE; 1019 dga->csr &= ~0x0600; /* halt the DMA! (just in case...) */ 1020 dga->csr |= DMA_ERR; /* clear error condition */ 1021 adder->command = CANCEL; 1022 /* 1023 * if DMA was running, flush spurious intrpt 1024 */ 1025 if (dga->bytcnt_lo != 0) { 1026 dga->bytcnt_lo = 0; 1027 dga->bytcnt_hi = 0; 1028 DMA_SETIGNORE(DMAheader[unit]); 1029 dga->csr |= DMA_IE; 1030 dga->csr &= ~DMA_IE; 1031 } 1032 init_shared(unit); /* init shared memory */ 1033 setup_dragon(unit); /* init ADDER/VIPER */ 1034 ldcursor(unit, cons_cursor); /* load default cursor map */ 1035 setup_input(unit); /* init the DUART */ 1036 ldfont(unit); 1037 cursor[unit].x = 0; 1038 cursor[unit].y = 0; 1039 /* 1040 * shut off the mouse rcv intrpt and turn on kbd intrpts 1041 */ 1042 duart = (struct duart *) qdmap[unit].duart; 1043 qdflags[unit].duart_imask &= ~(0x20); 1044 qdflags[unit].duart_imask |= 0x02; 1045 duart->imask = qdflags[unit].duart_imask; 1046 /* 1047 * shut off interrupts if all is closed 1048 */ 1049 if (!(qdflags[unit].inuse & CONS_DEV)) { 1050 dga = (struct dga *) qdmap[unit].dga; 1051 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1052 } 1053 } else { 1054 /* 1055 * this is the console 1056 */ 1057 tp = qd_tty[minor_dev]; 1058 (*tp->t_linesw->l_close)(tp, flag); 1059 ttyclose(tp); 1060 tp->t_state = 0; 1061 qdflags[unit].inuse &= ~CONS_DEV; 1062 /* 1063 * if graphics device is closed, kill interrupts 1064 */ 1065 if (!(qdflags[unit].inuse & GRAPHIC_DEV)) { 1066 dga = (struct dga *) qdmap[unit].dga; 1067 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1068 } 1069 } 1070 1071 return(0); 1072 1073 } /* qdclose */ 1074 1075 int 1076 qdioctl(dev, cmd, datap, flags, p) 1077 dev_t dev; 1078 u_long cmd; 1079 caddr_t datap; 1080 int flags; 1081 struct proc *p; 1082 { 1083 volatile int *ptep; /* page table entry pointer */ 1084 int mapix; /* QVmap[] page table index */ 1085 struct _vs_event *event; 1086 struct tty *tp; 1087 int i; 1088 struct qdmap *qd; /* pointer to device map struct */ 1089 volatile struct dga *dga; /* Gate Array reg structure pntr */ 1090 volatile struct duart *duart; /* DUART reg structure pointer */ 1091 volatile struct adder *adder; /* ADDER reg structure pointer */ 1092 struct prgkbd *cmdbuf; 1093 struct prg_cursor *curs; 1094 struct _vs_cursor *pos; 1095 int unit = minor(dev) >> 2; /* number of caller's QDSS */ 1096 u_int minor_dev = minor(dev); 1097 int error; 1098 int s; 1099 short *temp; /* a pointer to template RAM */ 1100 struct uba_softc *uh; 1101 1102 uh = (struct uba_softc *) 1103 (((struct device *)(qd_cd.cd_devs[unit]))->dv_parent); 1104 1105 /* 1106 * service graphic device ioctl commands 1107 */ 1108 switch (cmd) { 1109 1110 case QD_GETEVENT: 1111 /* 1112 * extract the oldest event from the event queue 1113 */ 1114 if (ISEMPTY(eq_header[unit])) { 1115 event = (struct _vs_event *) datap; 1116 event->vse_device = VSE_NULL; 1117 break; 1118 } 1119 event = (struct _vs_event *) GETBEGIN(eq_header[unit]); 1120 s = spl5(); 1121 GETEND(eq_header[unit]); 1122 splx(s); 1123 bcopy((caddr_t)event, datap, sizeof(struct _vs_event)); 1124 break; 1125 1126 case QD_RESET: 1127 /* 1128 * init the dragon stuff, DUART, and driver variables 1129 */ 1130 init_shared(unit); /* init shared memory */ 1131 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 1132 clear_qd_screen(unit); 1133 ldcursor(unit, cons_cursor); /* load default cursor map */ 1134 ldfont(unit); /* load the console font */ 1135 setup_input(unit); /* init the DUART */ 1136 break; 1137 1138 case QD_SET: 1139 /* 1140 * init the DUART and driver variables 1141 */ 1142 init_shared(unit); 1143 setup_input(unit); 1144 break; 1145 1146 case QD_CLRSCRN: 1147 /* 1148 * clear the QDSS screen. (NOTE that this reinits the dragon) 1149 */ 1150 #ifdef notdef /* has caused problems and isn't necessary */ 1151 setup_dragon(unit); 1152 clear_qd_screen(unit); 1153 #endif 1154 break; 1155 1156 case QD_WTCURSOR: 1157 /* 1158 * load a cursor into template RAM 1159 */ 1160 ldcursor(unit, (short *)datap); 1161 break; 1162 1163 case QD_RDCURSOR: 1164 1165 temp = (short *) qdmap[unit].template; 1166 /* 1167 * cursor is 32 WORDS from the end of the 8k WORD... 1168 * ...template space 1169 */ 1170 temp += (8 * 1024) - 32; 1171 for (i = 0; i < 32; ++i, datap += sizeof(short)) 1172 *(short *)datap = *temp++; 1173 break; 1174 1175 case QD_POSCURSOR: 1176 /* 1177 * position the mouse cursor 1178 */ 1179 dga = (struct dga *) qdmap[unit].dga; 1180 pos = (struct _vs_cursor *) datap; 1181 s = spl5(); 1182 dga->x_cursor = TRANX(pos->x); 1183 dga->y_cursor = TRANY(pos->y); 1184 eq_header[unit]->curs_pos.x = pos->x; 1185 eq_header[unit]->curs_pos.y = pos->y; 1186 splx(s); 1187 break; 1188 1189 case QD_PRGCURSOR: 1190 /* 1191 * set the cursor acceleration factor 1192 */ 1193 curs = (struct prg_cursor *) datap; 1194 s = spl5(); 1195 qdflags[unit].curs_acc = curs->acc_factor; 1196 qdflags[unit].curs_thr = curs->threshold; 1197 splx(s); 1198 break; 1199 1200 case QD_MAPDEVICE: 1201 /* 1202 * enable 'user write' to device pages 1203 */ 1204 qdflags[unit].mapped |= MAPDEV; 1205 qd = (struct qdmap *) &qdmap[unit]; 1206 /* 1207 * enable user write to template RAM 1208 */ 1209 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 1210 ptep = (int *)(QVmap[0] + mapix); 1211 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 1212 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1213 1214 /* 1215 * enable user write to registers 1216 */ 1217 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 1218 ptep = (int *)(QVmap[0] + mapix); 1219 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 1220 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1221 1222 /* 1223 * enable user write to color maps 1224 */ 1225 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 1226 ptep = (int *)(QVmap[0] + mapix); 1227 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 1228 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1229 1230 /* 1231 * enable user write to DUART 1232 */ 1233 mapix = VTOP((int)qd->duart) - VTOP(qvmem[0]); 1234 ptep = (int *)(QVmap[0] + mapix); 1235 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; /* duart page */ 1236 1237 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1238 1239 /* 1240 * stuff qdmap structure in return buffer 1241 */ 1242 bcopy((caddr_t)qd, datap, sizeof(struct qdmap)); 1243 1244 break; 1245 1246 #ifdef notyet 1247 /* 1248 * Ragge 999620: 1249 * Can't map in the graphic buffer into user space for now. 1250 * The best way to fix this is to convert this driver to wscons. 1251 */ 1252 case QD_MAPIOBUF: 1253 /* 1254 * do setup for DMA by user process 1255 * 1256 * set 'user write enable' bits for DMA buffer 1257 */ 1258 qdflags[unit].mapped |= MAPDMA; 1259 ptep = (int *) ((VTOP(DMAheader[unit]) * 4) 1260 + (mfpr(PR_SBR) | 0x80000000)); 1261 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 1262 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1263 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1264 /* 1265 * set up QBUS map registers for DMA 1266 */ 1267 DMAheader[unit]->QBAreg = 1268 uballoc(uh, (caddr_t)DMAheader[unit], DMAbuf_size, 0); 1269 if (DMAheader[unit]->QBAreg == 0) 1270 printf("qd%d: qdioctl: QBA setup error\n", unit); 1271 Qbus_unmap[unit] = DMAheader[unit]->QBAreg; 1272 DMAheader[unit]->QBAreg &= 0x3FFFF; 1273 /* 1274 * return I/O buf adr 1275 */ 1276 *(int *)datap = (int) DMAheader[unit]; 1277 break; 1278 #endif 1279 1280 case QD_MAPSCROLL: 1281 /* 1282 * map the shared scroll param area and enable scroll interpts 1283 */ 1284 qdflags[unit].mapped |= MAPSCR; 1285 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1286 + (mfpr(PR_SBR) | 0x80000000)); 1287 /* 1288 * allow user write to scroll area 1289 */ 1290 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1291 mtpr(0, PR_TBIA); /* invalidate translation buf */ 1292 scroll[unit]->status = 0; 1293 adder = (struct adder *) qdmap[unit].adder; 1294 qdflags[unit].adder_ie |= FRAME_SYNC; 1295 adder->interrupt_enable = qdflags[unit].adder_ie; 1296 *(int *)datap = (int) scroll[unit]; /* return scroll area */ 1297 break; 1298 1299 case QD_UNMAPSCROLL: 1300 /* 1301 * unmap shared scroll param area and disable scroll intrpts 1302 */ 1303 if (qdflags[unit].mapped & MAPSCR) { 1304 qdflags[unit].mapped &= ~MAPSCR; 1305 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1306 + (mfpr(PR_SBR) | 0x80000000)); 1307 /* 1308 * re-protect 512 scroll param area 1309 */ 1310 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1311 mtpr(0, PR_TBIA); /* smash CPU's translation buf */ 1312 adder = (struct adder *) qdmap[unit].adder; 1313 qdflags[unit].adder_ie &= ~FRAME_SYNC; 1314 adder->interrupt_enable = qdflags[unit].adder_ie; 1315 } 1316 break; 1317 1318 case QD_MAPCOLOR: 1319 /* 1320 * map shared color map write buf and turn on vsync intrpt 1321 */ 1322 qdflags[unit].mapped |= MAPCOLOR; 1323 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1324 + (mfpr(PR_SBR) | 0x80000000)); 1325 /* 1326 * allow user write to color map write buffer 1327 */ 1328 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1329 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1330 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1331 adder = (struct adder *) qdmap[unit].adder; 1332 qdflags[unit].adder_ie |= VSYNC; 1333 adder->interrupt_enable = qdflags[unit].adder_ie; 1334 /* 1335 * return color area address 1336 */ 1337 *(int *)datap = (int) color_buf[unit]; 1338 break; 1339 1340 case QD_UNMAPCOLOR: 1341 /* 1342 * unmap shared color map write buffer and kill VSYNC intrpts 1343 */ 1344 if (qdflags[unit].mapped & MAPCOLOR) { 1345 qdflags[unit].mapped &= ~MAPCOLOR; 1346 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1347 + (mfpr(PR_SBR) | 0x80000000)); 1348 /* 1349 * re-protect color map write buffer 1350 */ 1351 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1352 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1353 mtpr(0, PR_TBIA); 1354 adder = (struct adder *) qdmap[unit].adder; 1355 qdflags[unit].adder_ie &= ~VSYNC; 1356 adder->interrupt_enable = qdflags[unit].adder_ie; 1357 } 1358 break; 1359 1360 case QD_MAPEVENT: 1361 /* 1362 * give user write access to the event queue 1363 */ 1364 qdflags[unit].mapped |= MAPEQ; 1365 ptep = (int *) ((VTOP(eq_header[unit]) * 4) 1366 + (mfpr(PR_SBR) | 0x80000000)); 1367 /* 1368 * allow user write to 1K event queue 1369 */ 1370 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1371 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1372 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1373 /* 1374 * return event queue address 1375 */ 1376 *(int *)datap = (int)eq_header[unit]; 1377 break; 1378 1379 case QD_PRGKBD: 1380 /* 1381 * pass caller's programming commands to LK201 1382 */ 1383 duart = (struct duart *)qdmap[unit].duart; 1384 cmdbuf = (struct prgkbd *)datap; /* pnt to kbd cmd buf */ 1385 /* 1386 * send command 1387 */ 1388 for (i = 1000; i > 0; --i) { 1389 if (duart->statusA&XMT_RDY) { 1390 duart->dataA = cmdbuf->cmd; 1391 break; 1392 } 1393 } 1394 if (i == 0) { 1395 printf("qd%d: qdioctl: timeout on XMT_RDY [1]\n", unit); 1396 break; 1397 } 1398 /* 1399 * send param1? 1400 */ 1401 if (cmdbuf->cmd & LAST_PARAM) 1402 break; 1403 for (i = 1000; i > 0; --i) { 1404 if (duart->statusA&XMT_RDY) { 1405 duart->dataA = cmdbuf->param1; 1406 break; 1407 } 1408 } 1409 if (i == 0) { 1410 printf("qd%d: qdioctl: timeout on XMT_RDY [2]\n", unit); 1411 break; 1412 } 1413 /* 1414 * send param2? 1415 */ 1416 if (cmdbuf->param1 & LAST_PARAM) 1417 break; 1418 for (i = 1000; i > 0; --i) { 1419 if (duart->statusA&XMT_RDY) { 1420 duart->dataA = cmdbuf->param2; 1421 break; 1422 } 1423 } 1424 if (i == 0) { 1425 printf("qd%d: qdioctl: timeout on XMT_RDY [3]\n", unit); 1426 break; 1427 } 1428 break; 1429 1430 case QD_PRGMOUSE: 1431 /* 1432 * pass caller's programming commands to the mouse 1433 */ 1434 duart = (struct duart *) qdmap[unit].duart; 1435 for (i = 1000; i > 0; --i) { 1436 if (duart->statusB&XMT_RDY) { 1437 duart->dataB = *datap; 1438 break; 1439 } 1440 } 1441 if (i == 0) { 1442 printf("qd%d: qdioctl: timeout on XMT_RDY [4]\n", unit); 1443 } 1444 break; 1445 1446 case QD_RDCONFIG: 1447 /* 1448 * get QDSS configuration word and return it 1449 */ 1450 *(short *)datap = qdflags[unit].config; 1451 break; 1452 1453 case QD_KERN_LOOP: 1454 case QD_KERN_UNLOOP: 1455 /* 1456 * vestige from ultrix. BSD uses TIOCCONS to redirect 1457 * kernel console output. 1458 */ 1459 break; 1460 1461 case QD_PRGTABLET: 1462 /* 1463 * program the tablet 1464 */ 1465 duart = (struct duart *) qdmap[unit].duart; 1466 for (i = 1000; i > 0; --i) { 1467 if (duart->statusB&XMT_RDY) { 1468 duart->dataB = *datap; 1469 break; 1470 } 1471 } 1472 if (i == 0) { 1473 printf("qd%d: qdioctl: timeout on XMT_RDY [5]\n", unit); 1474 } 1475 break; 1476 1477 case QD_PRGTABRES: 1478 /* 1479 * program the tablet report resolution factor 1480 */ 1481 qdflags[unit].tab_res = *(short *)datap; 1482 break; 1483 1484 default: 1485 /* 1486 * service tty ioctl's 1487 */ 1488 if (!(minor_dev & 0x02)) { 1489 tp = qd_tty[minor_dev]; 1490 error = 1491 1492 (*tp->t_linesw->l_ioctl)(tp, cmd, datap, flags, p); 1493 if (error != EPASSTHROUGH) { 1494 return(error); 1495 } 1496 return ttioctl(tp, cmd, datap, flags, p); 1497 } 1498 break; 1499 } 1500 1501 return(0); 1502 1503 } /* qdioctl */ 1504 1505 1506 int 1507 qdpoll(dev, events, p) 1508 dev_t dev; 1509 int events; 1510 struct proc *p; 1511 { 1512 int s; 1513 int unit; 1514 struct tty *tp; 1515 u_int minor_dev = minor(dev); 1516 int revents = 0; 1517 1518 s = spl5(); 1519 unit = minor_dev >> 2; 1520 1521 if ((minor_dev & 0x03) == 2) { 1522 /* 1523 * This is a graphics device, so check for events. 1524 */ 1525 1526 if (events & (POLLIN | POLLRDNORM)) 1527 if(!(ISEMPTY(eq_header[unit]))) 1528 revents |= events & (POLLIN | POLLRDNORM); 1529 1530 if (events & (POLLOUT | POLLWRNORM)) 1531 if (DMA_ISEMPTY(DMAheader[unit])) 1532 revents |= events & (POLLOUT | POLLWRNORM); 1533 1534 if (revents == 0) { 1535 if (events & (POLLIN | POLLRDNORM)) 1536 selrecord(p, &qdrsel[unit]); 1537 1538 if (events & (POLLOUT | POLLWRNORM)) 1539 selrecord(p, &qdrsel[unit]); 1540 } 1541 } else { 1542 /* 1543 * this is a tty device 1544 */ 1545 tp = qd_tty[minor_dev]; 1546 revents = (*tp->t_linesw->l_poll)(tp, events, p); 1547 } 1548 1549 splx(s); 1550 return (revents); 1551 } /* qdpoll() */ 1552 1553 static void 1554 filt_qdrdetach(struct knote *kn) 1555 { 1556 dev_t dev = (intptr_t) kn->kn_hook; 1557 u_int minor_dev = minor(dev); 1558 int unit = minor_dev >> 2; 1559 int s; 1560 1561 s = spl5(); 1562 SLIST_REMOVE(&qdrsel[unit].si_klist, kn, knote, kn_selnext); 1563 splx(s); 1564 } 1565 1566 static int 1567 filt_qdread(struct knote *kn, long hint) 1568 { 1569 dev_t dev = (intptr_t) kn->kn_hook; 1570 u_int minor_dev = minor(dev); 1571 int unit = minor_dev >> 2; 1572 1573 if (ISEMPTY(eq_header[unit])) 1574 return (0); 1575 1576 kn->kn_data = 0; /* XXXLUKEM (thorpej): what to put here? */ 1577 return (1); 1578 } 1579 1580 static int 1581 filt_qdwrite(struct knote *kn, long hint) 1582 { 1583 dev_t dev = (intptr_t) kn->kn_hook; 1584 u_int minor_dev = minor(dev); 1585 int unit = minor_dev >> 2; 1586 1587 if (! DMA_ISEMPTY(DMAheader[unit])) 1588 return (0); 1589 1590 kn->kn_data = 0; /* XXXLUKEM (thorpej): what to put here? */ 1591 return (1); 1592 } 1593 1594 static const struct filterops qdread_filtops = 1595 { 1, NULL, filt_qdrdetach, filt_qdread }; 1596 1597 static const struct filterops qdwrite_filtops = 1598 { 1, NULL, filt_qdrdetach, filt_qdwrite }; 1599 1600 int 1601 qdkqfilter(dev_t dev, struct knote *kn) 1602 { 1603 struct klist *klist; 1604 u_int minor_dev = minor(dev); 1605 int s, unit = minor_dev >> 2; 1606 1607 if ((minor_dev & 0x03) != 2) { 1608 /* TTY device. */ 1609 return (ttykqfilter(dev, kn)); 1610 } 1611 1612 switch (kn->kn_filter) { 1613 case EVFILT_READ: 1614 klist = &qdrsel[unit].si_klist; 1615 kn->kn_fop = &qdread_filtops; 1616 break; 1617 1618 case EVFILT_WRITE: 1619 klist = &qdrsel[unit].si_klist; 1620 kn->kn_fop = &qdwrite_filtops; 1621 break; 1622 1623 default: 1624 return (1); 1625 } 1626 1627 kn->kn_hook = (void *)(intptr_t) dev; 1628 1629 s = spl5(); 1630 SLIST_INSERT_HEAD(klist, kn, kn_selnext); 1631 splx(s); 1632 1633 return (0); 1634 } 1635 1636 void qd_strategy(struct buf *bp); 1637 1638 /*ARGSUSED*/ 1639 int 1640 qdwrite(dev, uio, flag) 1641 dev_t dev; 1642 struct uio *uio; 1643 { 1644 struct tty *tp; 1645 int minor_dev; 1646 int unit; 1647 1648 minor_dev = minor(dev); 1649 unit = (minor_dev >> 2) & 0x07; 1650 1651 if (((minor_dev&0x03) != 0x02) && (qdflags[unit].inuse&CONS_DEV)) { 1652 /* 1653 * this is the console... 1654 */ 1655 tp = qd_tty[minor_dev]; 1656 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 1657 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1658 /* 1659 * this is a DMA xfer from user space 1660 */ 1661 return (physio(qd_strategy, &qdbuf[unit], 1662 dev, B_WRITE, minphys, uio)); 1663 } 1664 return (ENXIO); 1665 } 1666 1667 /*ARGSUSED*/ 1668 int 1669 qdread(dev, uio, flag) 1670 dev_t dev; 1671 struct uio *uio; 1672 { 1673 struct tty *tp; 1674 int minor_dev; 1675 int unit; 1676 1677 minor_dev = minor(dev); 1678 unit = (minor_dev >> 2) & 0x07; 1679 1680 if ((minor_dev & 0x03) != 0x02 && qdflags[unit].inuse & CONS_DEV) { 1681 /* 1682 * this is the console 1683 */ 1684 tp = qd_tty[minor_dev]; 1685 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 1686 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1687 /* 1688 * this is a bitmap-to-processor xfer 1689 */ 1690 return (physio(qd_strategy, &qdbuf[unit], 1691 dev, B_READ, minphys, uio)); 1692 } 1693 return (ENXIO); 1694 } 1695 1696 /*************************************************************** 1697 * 1698 * qd_strategy()... strategy routine to do DMA 1699 * 1700 ***************************************************************/ 1701 1702 void 1703 qd_strategy(bp) 1704 struct buf *bp; 1705 { 1706 volatile struct dga *dga; 1707 volatile struct adder *adder; 1708 int unit; 1709 int QBAreg; 1710 int s; 1711 int cookie; 1712 struct uba_softc *uh; 1713 1714 unit = (minor(bp->b_dev) >> 2) & 0x07; 1715 1716 uh = (struct uba_softc *) 1717 (((struct device *)(qd_cd.cd_devs[unit]))->dv_parent); 1718 1719 /* 1720 * init pointers 1721 */ 1722 dga = (struct dga *) qdmap[unit].dga; 1723 panic("qd_strategy"); 1724 #ifdef notyet 1725 if ((QBAreg = ubasetup(uh, bp, 0)) == 0) { 1726 printf("qd%d: qd_strategy: QBA setup error\n", unit); 1727 goto STRAT_ERR; 1728 } 1729 #endif 1730 s = spl5(); 1731 qdflags[unit].user_dma = -1; 1732 dga->csr |= DMA_IE; 1733 cookie = QBAreg & 0x3FFFF; 1734 dga->adrs_lo = (short) cookie; 1735 dga->adrs_hi = (short) (cookie >> 16); 1736 dga->bytcnt_lo = (short) bp->b_bcount; 1737 dga->bytcnt_hi = (short) (bp->b_bcount >> 16); 1738 1739 while (qdflags[unit].user_dma) { 1740 (void) tsleep(&qdflags[unit].user_dma, QSPRIOR, 1741 "qdstrat", 0); 1742 } 1743 splx(s); 1744 #ifdef notyet 1745 ubarelse(uh, &QBAreg); 1746 #endif 1747 if (!(dga->csr & DMA_ERR)) { 1748 biodone(bp); 1749 return; 1750 } 1751 1752 /* STRAT_ERR: */ 1753 adder = (struct adder *) qdmap[unit].adder; 1754 adder->command = CANCEL; /* cancel adder activity */ 1755 dga->csr &= ~DMA_IE; 1756 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 1757 dga->csr |= DMA_ERR; /* clear error condition */ 1758 bp->b_flags |= B_ERROR; /* flag an error to physio() */ 1759 1760 /* 1761 * if DMA was running, flush spurious intrpt 1762 */ 1763 if (dga->bytcnt_lo != 0) { 1764 dga->bytcnt_lo = 0; 1765 dga->bytcnt_hi = 0; 1766 DMA_SETIGNORE(DMAheader[unit]); 1767 dga->csr |= DMA_IE; 1768 } 1769 biodone(bp); 1770 } /* qd_strategy */ 1771 1772 1773 /* 1774 * Start output to the console screen 1775 */ 1776 void qdstart(tp) 1777 struct tty *tp; 1778 { 1779 int which_unit, unit, c; 1780 int s; 1781 1782 unit = minor(tp->t_dev); 1783 which_unit = (unit >> 2) & 0x3; 1784 unit &= 0x03; 1785 1786 s = spl5(); 1787 1788 /* 1789 * If it's currently active, or delaying, no need to do anything. 1790 */ 1791 if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) 1792 goto out; 1793 1794 /* 1795 * Display chars until the queue is empty. 1796 * Drop input from anything but the console 1797 * device on the floor. 1798 * 1799 * XXX - this loop is done at spltty. 1800 * 1801 */ 1802 while (tp->t_outq.c_cc) { 1803 c = getc(&tp->t_outq); 1804 if (unit == 0) 1805 blitc(which_unit, (u_char)c); 1806 } 1807 /* 1808 * If there are sleepers, and output has drained below low 1809 * water mark, wake up the sleepers. 1810 */ 1811 if (tp->t_outq.c_cc <= tp->t_lowat) { 1812 if (tp->t_state & TS_ASLEEP){ 1813 tp->t_state &= ~TS_ASLEEP; 1814 wakeup((caddr_t) &tp->t_outq); 1815 } 1816 } 1817 1818 tp->t_state &= ~TS_BUSY; 1819 1820 out: 1821 splx(s); 1822 1823 } /* qdstart */ 1824 1825 /*ARGSUSED*/ 1826 void 1827 qdstop(tp, flag) 1828 struct tty *tp; 1829 int flag; 1830 { 1831 int s; 1832 1833 s = spl5(); /* block intrpts during state modification */ 1834 if (tp->t_state & TS_BUSY) { 1835 if ((tp->t_state & TS_TTSTOP) == 0) 1836 tp->t_state |= TS_FLUSH; 1837 else 1838 tp->t_state &= ~TS_BUSY; 1839 } 1840 splx(s); 1841 } 1842 1843 /* 1844 * Output a character to the QDSS screen 1845 */ 1846 void 1847 blitc(unit, chr) 1848 int unit; 1849 u_char chr; 1850 { 1851 volatile struct adder *adder; 1852 volatile struct dga *dga; 1853 int i; 1854 int nograph = !(qdflags[unit].inuse&GRAPHIC_DEV); 1855 static short inescape[NQD]; 1856 1857 adder = (struct adder *)qdmap[unit].adder; 1858 dga = (struct dga *) qdmap[unit].dga; 1859 /* 1860 * BSD comment: this (&=0177) defeats the extended character 1861 * set code for the glass tty, but if i had the time i would 1862 * spend it ripping out the code completely. This driver 1863 * is too big for its own good. 1864 */ 1865 chr &= 0177; 1866 /* 1867 * Cursor addressing (so vi will work). 1868 * Decode for "\E=%.%." cursor motion description. 1869 * Corresponds to type "qdcons" in /etc/termcap: 1870 * 1871 * qd|qdss|qdcons|qdss glass tty (4.4 BSD):\ 1872 * :am:do=^J:le=^H:bs:cm=\E=%.%.:cl=1^Z:co#128:li#57::nd=^L:up=^K: 1873 * 1874 */ 1875 if (inescape[unit] && nograph) { 1876 switch (inescape[unit]++) { 1877 case 1: 1878 if (chr != '=') { 1879 /* abort escape sequence */ 1880 inescape[unit] = 0; 1881 blitc(unit, chr); 1882 } 1883 return; 1884 case 2: 1885 /* position row */ 1886 cursor[unit].y = CHAR_HEIGHT * chr; 1887 if (cursor[unit].y > 863 - CHAR_HEIGHT) 1888 cursor[unit].y = 863 - CHAR_HEIGHT; 1889 dga->y_cursor = TRANY(cursor[unit].y); 1890 return; 1891 case 3: 1892 /* position column */ 1893 cursor[unit].x = CHAR_WIDTH * chr; 1894 if (cursor[unit].x > 1024 - CHAR_WIDTH) 1895 cursor[unit].x = 1023 - CHAR_WIDTH; 1896 dga->x_cursor = TRANX(cursor[unit].x); 1897 inescape[unit] = 0; 1898 return; 1899 default: 1900 inescape[unit] = 0; 1901 blitc(unit, chr); 1902 } 1903 } 1904 1905 switch (chr) { 1906 case '\r': /* return char */ 1907 cursor[unit].x = 0; 1908 if (nograph) 1909 dga->x_cursor = TRANX(cursor[unit].x); 1910 return; 1911 1912 case '\t': /* tab char */ 1913 for (i = 8 - ((cursor[unit].x >> 3) & 0x07); i > 0; --i) { 1914 blitc(unit, ' '); 1915 } 1916 return; 1917 1918 case '\n': /* line feed char */ 1919 if ((cursor[unit].y += CHAR_HEIGHT) > (863 - CHAR_HEIGHT)) { 1920 if (nograph) { 1921 cursor[unit].y -= CHAR_HEIGHT; 1922 scroll_up(adder); 1923 } else 1924 cursor[unit].y = 0; 1925 } 1926 if (nograph) 1927 dga->y_cursor = TRANY(cursor[unit].y); 1928 return; 1929 1930 case '\b': /* backspace char */ 1931 if (cursor[unit].x > 0) { 1932 cursor[unit].x -= CHAR_WIDTH; 1933 if (nograph) 1934 dga->x_cursor = TRANX(cursor[unit].x); 1935 } 1936 return; 1937 case CTRL('k'): /* cursor up */ 1938 if (nograph && cursor[unit].y > 0) { 1939 cursor[unit].y -= CHAR_HEIGHT; 1940 dga->y_cursor = TRANY(cursor[unit].y); 1941 } 1942 return; 1943 1944 case CTRL('^'): /* home cursor */ 1945 if (nograph) { 1946 cursor[unit].x = 0; 1947 dga->x_cursor = TRANX(cursor[unit].x); 1948 cursor[unit].y = 0; 1949 dga->y_cursor = TRANY(cursor[unit].y); 1950 } 1951 return; 1952 1953 case CTRL('l'): /* cursor right */ 1954 if (nograph && cursor[unit].x < 1023 - CHAR_WIDTH) { 1955 cursor[unit].x += CHAR_WIDTH; 1956 dga->x_cursor = TRANX(cursor[unit].x); 1957 } 1958 return; 1959 1960 case CTRL('z'): /* clear screen */ 1961 if (nograph) { 1962 setup_dragon(unit); 1963 clear_qd_screen(unit); 1964 /* home cursor - termcap seems to assume this */ 1965 cursor[unit].x = 0; 1966 dga->x_cursor = TRANX(cursor[unit].x); 1967 cursor[unit].y = 0; 1968 dga->y_cursor = TRANY(cursor[unit].y); 1969 } 1970 return; 1971 1972 case '\033': /* start escape sequence */ 1973 if (nograph) 1974 inescape[unit] = 1; 1975 return; 1976 1977 default: 1978 if ((chr < ' ') || (chr > '~')) 1979 return; 1980 } 1981 /* 1982 * setup VIPER operand control registers 1983 */ 1984 write_ID(adder, CS_UPDATE_MASK, 0x0001); /* select plane #0 */ 1985 write_ID(adder, SRC1_OCR_B, 1986 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 1987 write_ID(adder, CS_UPDATE_MASK, 0x00FE); /* select other planes */ 1988 write_ID(adder, SRC1_OCR_B, 1989 EXT_SOURCE | INT_NONE | NO_ID | BAR_SHIFT_DELAY); 1990 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 1991 write_ID(adder, DST_OCR_B, 1992 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 1993 write_ID(adder, MASK_1, 0xFFFF); 1994 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 1); 1995 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 1996 adder->x_clip_min = 0; 1997 adder->x_clip_max = 1024; 1998 adder->y_clip_min = 0; 1999 adder->y_clip_max = 864; 2000 /* 2001 * load DESTINATION origin and vectors 2002 */ 2003 adder->fast_dest_dy = 0; 2004 adder->slow_dest_dx = 0; 2005 adder->error_1 = 0; 2006 adder->error_2 = 0; 2007 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 2008 (void)wait_status(adder, RASTEROP_COMPLETE); 2009 adder->destination_x = cursor[unit].x; 2010 adder->fast_dest_dx = CHAR_WIDTH; 2011 adder->destination_y = cursor[unit].y; 2012 adder->slow_dest_dy = CHAR_HEIGHT; 2013 /* 2014 * load SOURCE origin and vectors 2015 */ 2016 if ((chr - ' ') > (CHARS - 1)) { 2017 printf("Invalid character (x)%x in blitc\n",chr); 2018 chr = ' '; 2019 } 2020 /* 2021 * X position is modulo the number of characters per line 2022 */ 2023 adder->source_1_x = FONT_X + 2024 (((chr - ' ') % (MAX_SCREEN_X/CHAR_WIDTH)) * CHAR_WIDTH); 2025 /* 2026 * Point to either first or second row 2027 */ 2028 adder->source_1_y = 2048 - 15 * 2029 (((chr - ' ')/(MAX_SCREEN_X/CHAR_WIDTH)) + 1); 2030 adder->source_1_dx = CHAR_WIDTH; 2031 adder->source_1_dy = CHAR_HEIGHT; 2032 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 2033 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 2034 /* 2035 * update console cursor coordinates 2036 */ 2037 cursor[unit].x += CHAR_WIDTH; 2038 if (nograph) 2039 dga->x_cursor = TRANX(cursor[unit].x); 2040 if (cursor[unit].x > (1024 - CHAR_WIDTH)) { 2041 blitc(unit, '\r'); 2042 blitc(unit, '\n'); 2043 } 2044 2045 } /* blitc */ 2046 2047 /* 2048 * INTERRUPT SERVICE ROUTINES 2049 */ 2050 2051 /* 2052 * Service "DMA DONE" interrupt condition 2053 */ 2054 2055 static void 2056 qddint(arg) 2057 void *arg; 2058 { 2059 struct device *dv = arg; 2060 struct DMAreq_header *header; 2061 struct DMAreq *request; 2062 volatile struct dga *dga; 2063 volatile struct adder *adder; 2064 int cookie; /* DMA adrs for QDSS */ 2065 2066 (void)spl4(); /* allow interval timer in */ 2067 2068 /* 2069 * init pointers 2070 */ 2071 header = DMAheader[dv->dv_unit]; /* register for optimization */ 2072 dga = (struct dga *) qdmap[dv->dv_unit].dga; 2073 adder = (struct adder *) qdmap[dv->dv_unit].adder; 2074 2075 /* 2076 * if this interrupt flagged as bogus for interrupt flushing purposes.. 2077 */ 2078 if (DMA_ISIGNORE(header)) { 2079 DMA_CLRIGNORE(header); 2080 return; 2081 } 2082 2083 /* 2084 * dump a DMA hardware error message if appropriate 2085 */ 2086 if (dga->csr & DMA_ERR) { 2087 2088 if (dga->csr & PARITY_ERR) 2089 printf("qd%d: qddint: DMA hardware parity fault.\n", dv->dv_unit); 2090 2091 if (dga->csr & BUS_ERR) 2092 printf("qd%d: qddint: DMA hardware bus error.\n", dv->dv_unit); 2093 } 2094 2095 /* 2096 * if this was a DMA from user space... 2097 */ 2098 if (qdflags[dv->dv_unit].user_dma) { 2099 qdflags[dv->dv_unit].user_dma = 0; 2100 wakeup((caddr_t)&qdflags[dv->dv_unit].user_dma); 2101 return; 2102 } 2103 2104 /* 2105 * if we're doing DMA request queue services, field the error condition 2106 */ 2107 if (dga->csr & DMA_ERR) { 2108 2109 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2110 dga->csr |= DMA_ERR; /* clear error condition */ 2111 adder->command = CANCEL; /* cancel adder activity */ 2112 2113 DMA_SETERROR(header); /* flag error in header status word */ 2114 DMA_CLRACTIVE(header); 2115 header->DMAreq[header->oldest].DMAdone |= HARD_ERROR; 2116 header->newest = header->oldest; 2117 header->used = 0; 2118 2119 selnotify(&qdrsel[dv->dv_unit], 0); 2120 2121 if (dga->bytcnt_lo != 0) { 2122 dga->bytcnt_lo = 0; 2123 dga->bytcnt_hi = 0; 2124 DMA_SETIGNORE(header); 2125 } 2126 return; 2127 } 2128 2129 /* 2130 * if the DMA request queue is now becoming non-full, 2131 * wakeup "select" client. 2132 */ 2133 if (DMA_ISFULL(header)) { 2134 selnotify(&qdrsel[dv->dv_unit], 0); 2135 } 2136 2137 header->DMAreq[header->oldest].DMAdone |= REQUEST_DONE; 2138 QDlast_DMAtype = header->DMAreq[header->oldest].DMAtype; 2139 2140 /* check for unexpected interrupt */ 2141 if (DMA_ISEMPTY(header)) 2142 return; 2143 2144 DMA_GETEND(header); /* update request queue indices */ 2145 2146 /* 2147 * if no more DMA pending, wake up "select" client and exit 2148 */ 2149 if (DMA_ISEMPTY(header)) { 2150 selnotify(&qdrsel[dv->dv_unit], 0); 2151 DMA_CLRACTIVE(header); /* flag DMA done */ 2152 return; 2153 } 2154 2155 /* 2156 * initiate next DMA xfer 2157 */ 2158 request = DMA_GETBEGIN(header); 2159 if (request->DMAtype != QDlast_DMAtype) { 2160 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2161 adder->command = CANCEL; /* cancel adder activity */ 2162 } 2163 2164 2165 switch (request->DMAtype) { 2166 2167 case DISPLIST: 2168 if (request->DMAtype != QDlast_DMAtype) { 2169 dga->csr |= DL_ENB; 2170 dga->csr &= ~(BTOP_ENB | BYTE_DMA); 2171 } 2172 break; 2173 2174 case PTOB: 2175 if (request->DMAtype != QDlast_DMAtype) { 2176 if (request->DMAdone & BYTE_PACK) 2177 dga->csr |= (PTOB_ENB | BYTE_DMA); 2178 else { 2179 dga->csr |= PTOB_ENB; 2180 dga->csr &= ~BYTE_DMA; 2181 } 2182 } 2183 break; 2184 2185 case BTOP: 2186 if (request->DMAtype != QDlast_DMAtype) { 2187 if (request->DMAdone & BYTE_PACK) { 2188 dga->csr &= ~DL_ENB; 2189 dga->csr |= (BTOP_ENB | BYTE_DMA); 2190 } 2191 else { 2192 dga->csr |= BTOP_ENB; 2193 dga->csr &= ~(BYTE_DMA | DL_ENB); 2194 } 2195 } 2196 break; 2197 default: 2198 printf("qd%d: qddint: illegal DMAtype parameter.\n", dv->dv_unit); 2199 DMA_CLRACTIVE(header); /* flag DMA done */ 2200 return; 2201 } 2202 2203 if (request->DMAdone & COUNT_ZERO) { 2204 dga->csr &= ~SET_DONE_FIFO; 2205 } 2206 else if (request->DMAdone & FIFO_EMPTY) { 2207 dga->csr |= SET_DONE_FIFO; 2208 } 2209 2210 if (request->DMAdone & WORD_PACK) 2211 dga->csr &= ~BYTE_DMA; 2212 else if (request->DMAdone & BYTE_PACK) 2213 dga->csr |= BYTE_DMA; 2214 2215 dga->csr |= DMA_IE; 2216 QDlast_DMAtype = request->DMAtype; 2217 2218 cookie = ((int)request->bufp - (int)header) + (int)header->QBAreg; 2219 2220 dga->adrs_lo = (short) cookie; 2221 dga->adrs_hi = (short) (cookie >> 16); 2222 2223 dga->bytcnt_lo = (short) request->length; 2224 dga->bytcnt_hi = (short) (request->length >> 16); 2225 2226 return; 2227 } 2228 2229 /* 2230 * ADDER interrupt service routine 2231 */ 2232 static void 2233 qdaint(arg) 2234 void *arg; 2235 { 2236 struct device *dv = arg; 2237 volatile struct adder *adder; 2238 struct color_buf *cbuf; 2239 int i; 2240 struct rgb *rgbp; 2241 volatile short *red; 2242 volatile short *green; 2243 volatile short *blue; 2244 2245 (void)spl4(); /* allow interval timer in */ 2246 2247 adder = (struct adder *) qdmap[dv->dv_unit].adder; 2248 2249 /* 2250 * service the vertical blank interrupt (VSYNC bit) by loading 2251 * any pending color map load request 2252 */ 2253 if (adder->status & VSYNC) { 2254 adder->status &= ~VSYNC; /* clear the interrupt */ 2255 cbuf = color_buf[dv->dv_unit]; 2256 if (cbuf->status & LOAD_COLOR_MAP) { 2257 2258 red = (short *) qdmap[dv->dv_unit].red; 2259 green = (short *) qdmap[dv->dv_unit].green; 2260 blue = (short *) qdmap[dv->dv_unit].blue; 2261 2262 for (i = cbuf->count, rgbp = cbuf->rgb; 2263 --i >= 0; rgbp++) { 2264 red[rgbp->offset] = (short) rgbp->red; 2265 green[rgbp->offset] = (short) rgbp->green; 2266 blue[rgbp->offset] = (short) rgbp->blue; 2267 } 2268 2269 cbuf->status &= ~LOAD_COLOR_MAP; 2270 } 2271 } 2272 2273 /* 2274 * service the scroll interrupt (FRAME_SYNC bit) 2275 */ 2276 if (adder->status & FRAME_SYNC) { 2277 adder->status &= ~FRAME_SYNC; /* clear the interrupt */ 2278 2279 if (scroll[dv->dv_unit]->status & LOAD_REGS) { 2280 2281 for (i = 1000, adder->status = 0; i > 0 && 2282 !(adder->status&ID_SCROLL_READY); --i) 2283 ; 2284 2285 if (i == 0) { 2286 printf("qd%d: qdaint: timeout on ID_SCROLL_READY\n", 2287 qd); 2288 return; 2289 } 2290 2291 adder->ID_scroll_data = scroll[dv->dv_unit]->viper_constant; 2292 adder->ID_scroll_command = ID_LOAD | SCROLL_CONSTANT; 2293 2294 adder->y_scroll_constant = 2295 scroll[dv->dv_unit]->y_scroll_constant; 2296 adder->y_offset_pending = scroll[dv->dv_unit]->y_offset; 2297 2298 if (scroll[dv->dv_unit]->status & LOAD_INDEX) { 2299 2300 adder->x_index_pending = 2301 scroll[dv->dv_unit]->x_index_pending; 2302 adder->y_index_pending = 2303 scroll[dv->dv_unit]->y_index_pending; 2304 } 2305 2306 scroll[dv->dv_unit]->status = 0x00; 2307 } 2308 } 2309 } 2310 2311 /* 2312 * DUART input interrupt service routine 2313 * 2314 * XXX - this routine should be broken out - it is essentially 2315 * straight line code. 2316 */ 2317 2318 static void 2319 qdiint(arg) 2320 void *arg; 2321 { 2322 struct device *dv = arg; 2323 struct _vs_event *event; 2324 struct qdinput *eqh; 2325 volatile struct dga *dga; 2326 volatile struct duart *duart; 2327 struct mouse_report *new_rep; 2328 struct tty *tp; 2329 u_short chr; 2330 u_short status; 2331 u_short data; 2332 u_short key; 2333 char do_wakeup = 0; /* flag to do a select wakeup call */ 2334 char a, b, c; /* mouse button test variables */ 2335 2336 (void)spl4(); /* allow interval timer in */ 2337 2338 eqh = eq_header[dv->dv_unit]; /* optimized as a register */ 2339 new_rep = ¤t_rep[dv->dv_unit]; 2340 duart = (struct duart *) qdmap[dv->dv_unit].duart; 2341 2342 /* 2343 * if the graphic device is turned on.. 2344 */ 2345 if (qdflags[dv->dv_unit].inuse & GRAPHIC_DEV) { 2346 /* 2347 * empty DUART 2348 */ 2349 while (duart->statusA&RCV_RDY || duart->statusB&RCV_RDY) { 2350 /* 2351 * pick up LK-201 input (if any) 2352 */ 2353 if (duart->statusA&RCV_RDY) { 2354 2355 /* if error condition, then reset it */ 2356 2357 if (duart->statusA&0x70) { 2358 duart->cmdA = 0x40; 2359 continue; 2360 } 2361 2362 /* event queue full now? (overflow condition) */ 2363 2364 if (ISFULL(eqh) == TRUE) { 2365 printf( 2366 "qd%d: qdiint: event queue overflow\n", 2367 qd); 2368 break; 2369 } 2370 2371 /* 2372 * Check for various keyboard errors */ 2373 2374 key = duart->dataA & 0xFF; 2375 2376 if (key==LK_POWER_ERROR || 2377 key==LK_KDOWN_ERROR || 2378 key == LK_INPUT_ERROR || 2379 key == LK_OUTPUT_ERROR) { 2380 printf( 2381 "qd%d: qdiint: keyboard error, code = %x\n", 2382 qd,key); 2383 return; 2384 } 2385 2386 if (key < LK_LOWEST) 2387 return; 2388 2389 ++do_wakeup; /* request a select wakeup call */ 2390 2391 event = PUTBEGIN(eqh); 2392 PUTEND(eqh); 2393 2394 event->vse_key = key; 2395 event->vse_key &= 0x00FF; 2396 event->vse_x = eqh->curs_pos.x; 2397 event->vse_y = eqh->curs_pos.y; 2398 event->vse_time = TOY; 2399 event->vse_type = VSE_BUTTON; 2400 event->vse_direction = VSE_KBTRAW; 2401 event->vse_device = VSE_DKB; 2402 } 2403 2404 /* 2405 * pick up the mouse input (if any) */ 2406 2407 if ((status = duart->statusB) & RCV_RDY && 2408 qdflags[dv->dv_unit].pntr_id == MOUSE_ID) { 2409 2410 if (status & 0x70) { 2411 duart->cmdB = 0x40; 2412 continue; 2413 } 2414 2415 /* event queue full now? (overflow condition) */ 2416 2417 if (ISFULL(eqh) == TRUE) { 2418 printf( 2419 "qd%d: qdiint: event queue overflow\n", 2420 qd); 2421 break; 2422 } 2423 2424 data = duart->dataB; /* get report byte */ 2425 ++new_rep->bytcnt; /* bump report byte count */ 2426 2427 /* 2428 * if 1st byte of report.. */ 2429 2430 if ( data & START_FRAME) { 2431 new_rep->state = data; 2432 if (new_rep->bytcnt > 1) { 2433 /* start of new frame */ 2434 new_rep->bytcnt = 1; 2435 /* ..continue looking */ 2436 continue; 2437 } 2438 } 2439 2440 /* 2441 * if 2nd byte of report.. */ 2442 2443 else if (new_rep->bytcnt == 2) { 2444 new_rep->dx = data & 0x00FF; 2445 } 2446 2447 /* 2448 * if 3rd byte of report, load input event queue */ 2449 2450 else if (new_rep->bytcnt == 3) { 2451 2452 new_rep->dy = data & 0x00FF; 2453 new_rep->bytcnt = 0; 2454 2455 /* 2456 * if mouse position has changed.. */ 2457 2458 if (new_rep->dx != 0 || new_rep->dy != 0) { 2459 2460 /* 2461 * calculate acceleration factor, if needed */ 2462 2463 if (qdflags[dv->dv_unit].curs_acc > ACC_OFF) { 2464 2465 if (qdflags[dv->dv_unit].curs_thr <= new_rep->dx) 2466 new_rep->dx += 2467 (new_rep->dx - qdflags[dv->dv_unit].curs_thr) 2468 * qdflags[dv->dv_unit].curs_acc; 2469 2470 if (qdflags[dv->dv_unit].curs_thr <= new_rep->dy) 2471 new_rep->dy += 2472 (new_rep->dy - qdflags[dv->dv_unit].curs_thr) 2473 * qdflags[dv->dv_unit].curs_acc; 2474 } 2475 2476 /* 2477 * update cursor position coordinates */ 2478 2479 if (new_rep->state & X_SIGN) { 2480 eqh->curs_pos.x += new_rep->dx; 2481 if (eqh->curs_pos.x > 1023) 2482 eqh->curs_pos.x = 1023; 2483 } 2484 else { 2485 eqh->curs_pos.x -= new_rep->dx; 2486 if (eqh->curs_pos.x < -15) 2487 eqh->curs_pos.x = -15; 2488 } 2489 2490 if (new_rep->state & Y_SIGN) { 2491 eqh->curs_pos.y -= new_rep->dy; 2492 if (eqh->curs_pos.y < -15) 2493 eqh->curs_pos.y = -15; 2494 } 2495 else { 2496 eqh->curs_pos.y += new_rep->dy; 2497 if (eqh->curs_pos.y > 863) 2498 eqh->curs_pos.y = 863; 2499 } 2500 2501 /* 2502 * update cursor screen position */ 2503 2504 dga = (struct dga *) qdmap[dv->dv_unit].dga; 2505 dga->x_cursor = TRANX(eqh->curs_pos.x); 2506 dga->y_cursor = TRANY(eqh->curs_pos.y); 2507 2508 /* 2509 * if cursor is in the box, no event report */ 2510 2511 if (eqh->curs_pos.x <= eqh->curs_box.right && 2512 eqh->curs_pos.x >= eqh->curs_box.left && 2513 eqh->curs_pos.y >= eqh->curs_box.top && 2514 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2515 goto GET_MBUTTON; 2516 } 2517 2518 /* 2519 * report the mouse motion event */ 2520 2521 event = PUTBEGIN(eqh); 2522 PUTEND(eqh); 2523 2524 ++do_wakeup; /* request a select wakeup call */ 2525 2526 event->vse_x = eqh->curs_pos.x; 2527 event->vse_y = eqh->curs_pos.y; 2528 2529 event->vse_device = VSE_MOUSE; /* mouse */ 2530 event->vse_type = VSE_MMOTION; /* pos changed */ 2531 event->vse_key = 0; 2532 event->vse_direction = 0; 2533 event->vse_time = TOY; /* time stamp */ 2534 } 2535 2536 GET_MBUTTON: 2537 /* 2538 * if button state has changed */ 2539 2540 a = new_rep->state & 0x07; /*mask nonbutton bits */ 2541 b = last_rep[dv->dv_unit].state & 0x07; 2542 2543 if (a ^ b) { 2544 2545 for ( c = 1; c < 8; c <<= 1) { 2546 2547 if (!( c & (a ^ b))) /* this button change? */ 2548 continue; 2549 2550 /* event queue full? (overflow condition) */ 2551 2552 if (ISFULL(eqh) == TRUE) { 2553 printf("qd%d: qdiint: event queue overflow\n", qd); 2554 break; 2555 } 2556 2557 event = PUTBEGIN(eqh); /* get new event */ 2558 PUTEND(eqh); 2559 2560 ++do_wakeup; /* request select wakeup */ 2561 2562 event->vse_x = eqh->curs_pos.x; 2563 event->vse_y = eqh->curs_pos.y; 2564 2565 event->vse_device = VSE_MOUSE; /* mouse */ 2566 event->vse_type = VSE_BUTTON; /* new button */ 2567 event->vse_time = TOY; /* time stamp */ 2568 2569 /* flag changed button and if up or down */ 2570 2571 if (c == RIGHT_BUTTON) 2572 event->vse_key = VSE_RIGHT_BUTTON; 2573 else if (c == MIDDLE_BUTTON) 2574 event->vse_key = VSE_MIDDLE_BUTTON; 2575 else if (c == LEFT_BUTTON) 2576 event->vse_key = VSE_LEFT_BUTTON; 2577 2578 /* set bit = button depressed */ 2579 2580 if (c & a) 2581 event->vse_direction = VSE_KBTDOWN; 2582 else 2583 event->vse_direction = VSE_KBTUP; 2584 } 2585 } 2586 2587 /* refresh last report */ 2588 2589 last_rep[dv->dv_unit] = current_rep[dv->dv_unit]; 2590 2591 } /* get last byte of report */ 2592 } else if ((status = duart->statusB)&RCV_RDY && 2593 qdflags[dv->dv_unit].pntr_id == TABLET_ID) { 2594 /* 2595 * pickup tablet input, if any 2596 */ 2597 if (status&0x70) { 2598 duart->cmdB = 0x40; 2599 continue; 2600 } 2601 /* 2602 * event queue full now? (overflow condition) 2603 */ 2604 if (ISFULL(eqh) == TRUE) { 2605 printf("qd%d: qdiint: event queue overflow\n", qd); 2606 break; 2607 } 2608 2609 data = duart->dataB; /* get report byte */ 2610 ++new_rep->bytcnt; /* bump report byte count */ 2611 2612 /* 2613 * if 1st byte of report.. */ 2614 2615 if (data & START_FRAME) { 2616 new_rep->state = data; 2617 if (new_rep->bytcnt > 1) { 2618 new_rep->bytcnt = 1; /* start of new frame */ 2619 continue; /* ..continue looking */ 2620 } 2621 } 2622 2623 /* 2624 * if 2nd byte of report.. */ 2625 2626 else if (new_rep->bytcnt == 2) { 2627 new_rep->dx = data & 0x3F; 2628 } 2629 2630 /* 2631 * if 3rd byte of report.. */ 2632 2633 else if (new_rep->bytcnt == 3) { 2634 new_rep->dx |= (data & 0x3F) << 6; 2635 } 2636 2637 /* 2638 * if 4th byte of report.. */ 2639 2640 else if (new_rep->bytcnt == 4) { 2641 new_rep->dy = data & 0x3F; 2642 } 2643 2644 /* 2645 * if 5th byte of report, load input event queue */ 2646 2647 else if (new_rep->bytcnt == 5) { 2648 2649 new_rep->dy |= (data & 0x3F) << 6; 2650 new_rep->bytcnt = 0; 2651 2652 /* 2653 * update cursor position coordinates */ 2654 2655 new_rep->dx /= qdflags[dv->dv_unit].tab_res; 2656 new_rep->dy = (2200 - new_rep->dy) 2657 / qdflags[dv->dv_unit].tab_res; 2658 2659 if (new_rep->dx > 1023) { 2660 new_rep->dx = 1023; 2661 } 2662 if (new_rep->dy > 863) { 2663 new_rep->dy = 863; 2664 } 2665 2666 /* 2667 * report an event if the puck/stylus has moved 2668 */ 2669 2670 if (eqh->curs_pos.x != new_rep->dx || 2671 eqh->curs_pos.y != new_rep->dy) { 2672 2673 eqh->curs_pos.x = new_rep->dx; 2674 eqh->curs_pos.y = new_rep->dy; 2675 2676 /* 2677 * update cursor screen position */ 2678 2679 dga = (struct dga *) qdmap[dv->dv_unit].dga; 2680 dga->x_cursor = TRANX(eqh->curs_pos.x); 2681 dga->y_cursor = TRANY(eqh->curs_pos.y); 2682 2683 /* 2684 * if cursor is in the box, no event report 2685 */ 2686 2687 if (eqh->curs_pos.x <= eqh->curs_box.right && 2688 eqh->curs_pos.x >= eqh->curs_box.left && 2689 eqh->curs_pos.y >= eqh->curs_box.top && 2690 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2691 goto GET_TBUTTON; 2692 } 2693 2694 /* 2695 * report the tablet motion event */ 2696 2697 event = PUTBEGIN(eqh); 2698 PUTEND(eqh); 2699 2700 ++do_wakeup; /* request a select wakeup call */ 2701 2702 event->vse_x = eqh->curs_pos.x; 2703 event->vse_y = eqh->curs_pos.y; 2704 2705 event->vse_device = VSE_TABLET; /* tablet */ 2706 /* 2707 * right now, X handles tablet motion the same 2708 * as mouse motion 2709 */ 2710 event->vse_type = VSE_MMOTION; /* pos changed */ 2711 event->vse_key = 0; 2712 event->vse_direction = 0; 2713 event->vse_time = TOY; /* time stamp */ 2714 } 2715 GET_TBUTTON: 2716 /* 2717 * if button state has changed */ 2718 2719 a = new_rep->state & 0x1E; /* mask nonbutton bits */ 2720 b = last_rep[dv->dv_unit].state & 0x1E; 2721 2722 if (a ^ b) { 2723 2724 /* event queue full now? (overflow condition) */ 2725 2726 if (ISFULL(eqh) == TRUE) { 2727 printf("qd%d: qdiint: event queue overflow\n",qd); 2728 break; 2729 } 2730 2731 event = PUTBEGIN(eqh); /* get new event */ 2732 PUTEND(eqh); 2733 2734 ++do_wakeup; /* request a select wakeup call */ 2735 2736 event->vse_x = eqh->curs_pos.x; 2737 event->vse_y = eqh->curs_pos.y; 2738 2739 event->vse_device = VSE_TABLET; /* tablet */ 2740 event->vse_type = VSE_BUTTON; /* button changed */ 2741 event->vse_time = TOY; /* time stamp */ 2742 2743 /* define the changed button and if up or down */ 2744 2745 for ( c = 1; c <= 0x10; c <<= 1) { 2746 if (c & (a ^ b)) { 2747 if (c == T_LEFT_BUTTON) 2748 event->vse_key = VSE_T_LEFT_BUTTON; 2749 else if (c == T_FRONT_BUTTON) 2750 event->vse_key = VSE_T_FRONT_BUTTON; 2751 else if (c == T_RIGHT_BUTTON) 2752 event->vse_key = VSE_T_RIGHT_BUTTON; 2753 else if (c == T_BACK_BUTTON) 2754 event->vse_key = VSE_T_BACK_BUTTON; 2755 break; 2756 } 2757 } 2758 2759 /* set bit = button depressed */ 2760 2761 if (c & a) 2762 event->vse_direction = VSE_KBTDOWN; 2763 else 2764 event->vse_direction = VSE_KBTUP; 2765 } 2766 2767 /* refresh last report */ 2768 2769 last_rep[dv->dv_unit] = current_rep[dv->dv_unit]; 2770 2771 } /* get last byte of report */ 2772 } /* pick up tablet input */ 2773 2774 } /* while input available.. */ 2775 2776 /* 2777 * do select wakeup 2778 */ 2779 if (do_wakeup) { 2780 selnotify(&qdrsel[dv->dv_unit], 0); 2781 do_wakeup = 0; 2782 } 2783 } else { 2784 /* 2785 * if the graphic device is not turned on, this is console input 2786 */ 2787 if (qdpolling) 2788 return; 2789 2790 if (dv->dv_unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[dv->dv_unit] == NULL) 2791 return; /* no such device or address */ 2792 2793 tp = qd_tty[dv->dv_unit << 2]; 2794 2795 /* 2796 * Get a character from the keyboard. 2797 */ 2798 while (duart->statusA&RCV_RDY) { 2799 key = duart->dataA; 2800 key &= 0xFF; 2801 /* 2802 * Check for various keyboard errors 2803 */ 2804 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 2805 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 2806 printf("qd%d: qdiint: Keyboard error, code = %x\n",qd,key); 2807 return; 2808 } 2809 2810 if (key < LK_LOWEST) 2811 return; 2812 2813 /* 2814 * See if its a state change key */ 2815 2816 switch (key) { 2817 2818 case LOCK: 2819 q_keyboard.lock ^= 0xffff; /* toggle */ 2820 if (q_keyboard.lock) 2821 led_control(qd, LK_LED_ENABLE, 2822 LK_LED_LOCK); 2823 else 2824 led_control(qd, LK_LED_DISABLE, 2825 LK_LED_LOCK); 2826 return; 2827 2828 case SHIFT: 2829 q_keyboard.shift ^= 0xFFFF; 2830 return; 2831 2832 case CNTRL: 2833 q_keyboard.cntrl ^= 0xFFFF; 2834 return; 2835 2836 case ALLUP: 2837 q_keyboard.cntrl = 0; 2838 q_keyboard.shift = 0; 2839 return; 2840 2841 case REPEAT: 2842 chr = q_keyboard.last; 2843 break; 2844 2845 /* 2846 * Test for cntrl characters. If set, see if the character 2847 * is elligible to become a control character. */ 2848 2849 default: 2850 2851 if (q_keyboard.cntrl) { 2852 chr = q_key[key]; 2853 if (chr >= ' ' && chr <= '~') 2854 chr &= 0x1F; 2855 else if (chr >= 0xA1 && chr <= 0xFE) 2856 chr &= 0x9F; 2857 } 2858 else if( q_keyboard.lock || q_keyboard.shift ) 2859 chr = q_shift_key[key]; 2860 else 2861 chr = q_key[key]; 2862 break; 2863 } 2864 2865 q_keyboard.last = chr; 2866 2867 /* 2868 * Check for special function keys */ 2869 2870 if (chr & 0x100) { 2871 char *string; 2872 string = q_special[chr & 0x7F]; 2873 while(*string) 2874 (*tp->t_linesw->l_rint)(*string++, tp); 2875 } 2876 else { 2877 #ifdef DDB 2878 /* Check for kernel debugger escape here */ 2879 int j; 2880 2881 j = kdbrint(chr&0177); 2882 2883 if (j == 1) /* Escape received, just return */ 2884 return; 2885 2886 if (j == 2) /* Second char wasn't 'D' */ 2887 (*tp->t_linesw->l_rint)(27, tp); 2888 #endif 2889 (*tp->t_linesw->l_rint)(chr&0177, tp); 2890 } 2891 } 2892 } 2893 } /* qdiint */ 2894 2895 /* 2896 * 2897 * Clear the QDSS screen 2898 * 2899 * >>> NOTE <<< 2900 * 2901 * This code requires that certain adder initialization be valid. To 2902 * assure that this requirement is satisfied, this routine should be 2903 * called only after calling the "setup_dragon()" function. 2904 * 2905 * Clear the bitmap a piece at a time. Since the fast scroll clear 2906 * only clears the current displayed portion of the bitmap put a 2907 * temporary value in the y limit register so we can access whole 2908 * bitmap 2909 * 2910 */ 2911 void 2912 clear_qd_screen(unit) 2913 int unit; 2914 { 2915 volatile struct adder *adder; 2916 adder = (struct adder *) qdmap[unit].adder; 2917 2918 adder->x_limit = 1024; 2919 adder->y_limit = 2048 - CHAR_HEIGHT; 2920 adder->y_offset_pending = 0; 2921 #define WSV (void)wait_status(adder, VSYNC); (void)wait_status(adder, VSYNC) 2922 WSV; 2923 adder->y_scroll_constant = SCROLL_ERASE; 2924 WSV; 2925 adder->y_offset_pending = 864; 2926 WSV; 2927 adder->y_scroll_constant = SCROLL_ERASE; 2928 WSV; 2929 adder->y_offset_pending = 1728; 2930 WSV; 2931 adder->y_scroll_constant = SCROLL_ERASE; 2932 WSV; 2933 adder->y_offset_pending = 0; /* back to normal */ 2934 WSV; 2935 adder->x_limit = MAX_SCREEN_X; 2936 adder->y_limit = MAX_SCREEN_Y + FONT_HEIGHT; 2937 #undef WSV 2938 2939 } /* clear_qd_screen */ 2940 2941 /* 2942 * kernel console output to the glass tty 2943 */ 2944 void 2945 qdcnputc(dev, chr) 2946 dev_t dev; 2947 int chr; 2948 { 2949 2950 /* 2951 * if system is now physical, forget it (ie: crash DUMP) 2952 */ 2953 if ((mfpr(PR_MAPEN) & 1) == 0) 2954 return; 2955 2956 blitc(0, (u_char)(chr & 0xff)); 2957 if ((chr & 0177) == '\n') 2958 blitc(0, '\r'); 2959 2960 } /* qdputc */ 2961 2962 /* 2963 * load the mouse cursor's template RAM bitmap 2964 */ 2965 void 2966 ldcursor(unit, bitmap) 2967 int unit; 2968 short *bitmap; 2969 { 2970 volatile struct dga *dga; 2971 volatile short *temp; 2972 int i; 2973 int curs; 2974 2975 dga = (struct dga *) qdmap[unit].dga; 2976 temp = (short *) qdmap[unit].template; 2977 2978 if (dga->csr & CURS_ENB) { /* if the cursor is enabled.. */ 2979 curs = -1; /* ..note that.. */ 2980 dga->csr &= ~CURS_ENB; /* ..and shut it off */ 2981 } else 2982 curs = 0; 2983 2984 dga->csr &= ~CURS_ENB; /* shut off the cursor */ 2985 2986 temp += (8 * 1024) - 32; /* cursor is 32 WORDS from the end */ 2987 /* ..of the 8k WORD template space */ 2988 for (i = 0; i < 32; ++i) 2989 *temp++ = *bitmap++; 2990 2991 if (curs) { /* if cursor was enabled.. */ 2992 dga->csr |= CURS_ENB; /* ..turn it back on */ 2993 } 2994 2995 } /* ldcursor */ 2996 2997 /* 2998 * Put the console font in the QDSS off-screen memory 2999 */ 3000 void 3001 ldfont(unit) 3002 int unit; 3003 { 3004 volatile struct adder *adder; 3005 3006 int i, j, k, max_chars_line; 3007 short packed; 3008 3009 adder = (struct adder *) qdmap[unit].adder; 3010 3011 /* 3012 * setup VIPER operand control registers 3013 */ 3014 write_ID(adder, MASK_1, 0xFFFF); 3015 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3016 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3017 3018 write_ID(adder, SRC1_OCR_B, 3019 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 3020 write_ID(adder, SRC2_OCR_B, 3021 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 3022 write_ID(adder, DST_OCR_B, 3023 EXT_SOURCE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3024 3025 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3026 3027 /* 3028 * load destination data 3029 */ 3030 (void)wait_status(adder, RASTEROP_COMPLETE); 3031 3032 adder->destination_x = FONT_X; 3033 adder->destination_y = FONT_Y; 3034 #if FONT_WIDTH > MAX_SCREEN_X 3035 adder->fast_dest_dx = MAX_SCREEN_X; 3036 #else 3037 adder->fast_dest_dx = FONT_WIDTH; 3038 #endif 3039 adder->slow_dest_dy = CHAR_HEIGHT; 3040 3041 /* 3042 * setup for processor to bitmap xfer */ 3043 3044 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3045 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3046 3047 /* 3048 * Figure out how many characters can be stored on one "line" of 3049 * offscreen memory. 3050 */ 3051 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3052 if ((CHARS/2 + CHARS%2) < max_chars_line) 3053 max_chars_line = CHARS/2 + CHARS%2; 3054 3055 /* 3056 * iteratively do the processor to bitmap xfer */ 3057 3058 for (i = 0; i < ROWS; ++i) { 3059 3060 /* PTOB a scan line */ 3061 3062 for (j = 0, k = i; j < max_chars_line; ++j) { 3063 /* PTOB one scan of a char cell */ 3064 3065 packed = q_font[k]; 3066 k += ROWS; 3067 packed |= ((short)q_font[k] << 8); 3068 k += ROWS; 3069 3070 (void)wait_status(adder, TX_READY); 3071 adder->id_data = packed; 3072 } 3073 } 3074 3075 /* 3076 * (XXX XXX XXX - should remove) 3077 * 3078 * Copy the second row of characters. Subtract the first 3079 * row from the total number. Divide this quantity by 2 3080 * because 2 chars are stored in a short in the PTOB loop 3081 * below. Figure out how many characters can be stored on 3082 * one "line" of offscreen memory 3083 */ 3084 3085 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3086 if ((CHARS/2 + CHARS%2) < max_chars_line) 3087 return; 3088 max_chars_line = (CHARS/2 + CHARS%2) - max_chars_line; /* 95 - 64 */ 3089 /* Paranoia check to see if 3rd row may be needed */ 3090 if (max_chars_line > (MAX_SCREEN_X/(CHAR_WIDTH*2))) 3091 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3092 3093 adder->destination_x = FONT_X; 3094 adder->destination_y = FONT_Y - CHAR_HEIGHT; 3095 adder->fast_dest_dx = max_chars_line * CHAR_WIDTH * 2; 3096 adder->slow_dest_dy = CHAR_HEIGHT; 3097 3098 /* 3099 * setup for processor to bitmap xfer 3100 */ 3101 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3102 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3103 3104 /* 3105 * iteratively do the processor to bitmap xfer 3106 */ 3107 for (i = 0; i < ROWS; ++i) { 3108 /* 3109 * PTOB a scan line 3110 */ 3111 for (j = 0, k = i; j < max_chars_line; ++j) { 3112 /* 3113 * PTOB one scan of a char cell 3114 */ 3115 packed = q_font[k + FONT_OFFSET]; 3116 k += ROWS; 3117 packed |= ((short)q_font[k + FONT_OFFSET] << 8); 3118 k += ROWS; 3119 (void)wait_status(adder, TX_READY); 3120 adder->id_data = packed; 3121 } 3122 } 3123 3124 } /* ldfont */ 3125 3126 3127 /* 3128 * Disable or enable polling. This is used when entering or leaving the 3129 * kernel debugger. 3130 */ 3131 void 3132 qdcnpollc(dev, onoff) 3133 dev_t dev; 3134 int onoff; 3135 { 3136 qdpolling = onoff; 3137 } 3138 3139 3140 /* 3141 * Get a character from the LK201 (polled) 3142 */ 3143 int 3144 qdcngetc(dev) 3145 dev_t dev; 3146 { 3147 short key; 3148 char chr; 3149 volatile struct duart *duart; 3150 3151 duart = (struct duart *) qdmap[0].duart; 3152 3153 /* 3154 * Get a character from the keyboard. 3155 */ 3156 LOOP: 3157 while (!(duart->statusA&RCV_RDY)) 3158 ; 3159 3160 key = duart->dataA; 3161 key &= 0xFF; 3162 3163 /* 3164 * Check for various keyboard errors */ 3165 3166 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 3167 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 3168 printf("Keyboard error, code = %x\n", key); 3169 return(0); 3170 } 3171 3172 if (key < LK_LOWEST) 3173 return(0); 3174 3175 /* 3176 * See if its a state change key 3177 */ 3178 switch (key) { 3179 3180 case LOCK: 3181 q_keyboard.lock ^= 0xffff; /* toggle */ 3182 if (q_keyboard.lock) 3183 led_control(0, LK_LED_ENABLE, LK_LED_LOCK); 3184 else 3185 led_control(0, LK_LED_DISABLE, LK_LED_LOCK); 3186 goto LOOP; 3187 3188 case SHIFT: 3189 q_keyboard.shift ^= 0xFFFF; 3190 goto LOOP; 3191 3192 case CNTRL: 3193 q_keyboard.cntrl ^= 0xFFFF; 3194 goto LOOP; 3195 3196 case ALLUP: 3197 q_keyboard.cntrl = 0; 3198 q_keyboard.shift = 0; 3199 goto LOOP; 3200 3201 case REPEAT: 3202 chr = q_keyboard.last; 3203 break; 3204 3205 /* 3206 * Test for cntrl characters. If set, see if the character 3207 * is elligible to become a control character. 3208 */ 3209 default: 3210 3211 if (q_keyboard.cntrl) { 3212 chr = q_key[key]; 3213 if (chr >= ' ' && chr <= '~') 3214 chr &= 0x1F; 3215 } 3216 else if ( q_keyboard.lock || q_keyboard.shift ) 3217 chr = q_shift_key[key]; 3218 else 3219 chr = q_key[key]; 3220 break; 3221 } 3222 3223 if (chr < ' ' && chr > '~') /* if input is non-displayable */ 3224 return(0); /* ..then pitch it! */ 3225 3226 q_keyboard.last = chr; 3227 3228 /* 3229 * Check for special function keys */ 3230 3231 if (chr & 0x80) /* pitch the function keys */ 3232 return(0); 3233 else 3234 return(chr); 3235 3236 } /* qdgetc */ 3237 3238 /* 3239 * led_control()... twiddle LK-201 LED's 3240 */ 3241 void 3242 led_control(unit, cmd, led_mask) 3243 int unit, cmd, led_mask; 3244 { 3245 int i; 3246 volatile struct duart *duart; 3247 3248 duart = (struct duart *)qdmap[unit].duart; 3249 3250 for (i = 1000; i > 0; --i) { 3251 if (duart->statusA&XMT_RDY) { 3252 duart->dataA = cmd; 3253 break; 3254 } 3255 } 3256 for (i = 1000; i > 0; --i) { 3257 if (duart->statusA&XMT_RDY) { 3258 duart->dataA = led_mask; 3259 break; 3260 } 3261 } 3262 return; 3263 3264 } /* led_control */ 3265 3266 /* 3267 * scroll_up()... move the screen up one character height 3268 */ 3269 void 3270 scroll_up(adder) 3271 volatile struct adder *adder; 3272 { 3273 /* 3274 * setup VIPER operand control registers 3275 */ 3276 (void)wait_status(adder, ADDRESS_COMPLETE); 3277 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 3278 write_ID(adder, MASK_1, 0xFFFF); 3279 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3280 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3281 write_ID(adder, SRC1_OCR_B, 3282 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 3283 write_ID(adder, DST_OCR_B, 3284 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3285 /* 3286 * load DESTINATION origin and vectors 3287 */ 3288 adder->fast_dest_dy = 0; 3289 adder->slow_dest_dx = 0; 3290 adder->error_1 = 0; 3291 adder->error_2 = 0; 3292 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 3293 adder->destination_x = 0; 3294 adder->fast_dest_dx = 1024; 3295 adder->destination_y = 0; 3296 adder->slow_dest_dy = 864 - CHAR_HEIGHT; 3297 /* 3298 * load SOURCE origin and vectors 3299 */ 3300 adder->source_1_x = 0; 3301 adder->source_1_dx = 1024; 3302 adder->source_1_y = 0 + CHAR_HEIGHT; 3303 adder->source_1_dy = 864 - CHAR_HEIGHT; 3304 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3305 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 3306 /* 3307 * do a rectangle clear of last screen line 3308 */ 3309 write_ID(adder, MASK_1, 0xffff); 3310 write_ID(adder, SOURCE, 0xffff); 3311 write_ID(adder,DST_OCR_B, 3312 (EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY)); 3313 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 0); 3314 adder->error_1 = 0; 3315 adder->error_2 = 0; 3316 adder->slow_dest_dx = 0; /* set up the width of */ 3317 adder->slow_dest_dy = CHAR_HEIGHT; /* rectangle */ 3318 adder->rasterop_mode = (NORMAL | DST_WRITE_ENABLE) ; 3319 (void)wait_status(adder, RASTEROP_COMPLETE); 3320 adder->destination_x = 0; 3321 adder->destination_y = 864 - CHAR_HEIGHT; 3322 adder->fast_dest_dx = 1024; /* set up the height */ 3323 adder->fast_dest_dy = 0; /* of rectangle */ 3324 write_ID(adder, LU_FUNCTION_R2, (FULL_SRC_RESOLUTION | LF_SOURCE)); 3325 adder->cmd = (RASTEROP | OCRB | LF_R2 | DTE ) ; 3326 3327 } /* scroll_up */ 3328 3329 /* 3330 * init shared memory pointers and structures 3331 */ 3332 void 3333 init_shared(unit) 3334 int unit; 3335 { 3336 volatile struct dga *dga; 3337 3338 dga = (struct dga *) qdmap[unit].dga; 3339 3340 /* 3341 * initialize the event queue pointers and header */ 3342 3343 eq_header[unit] = (struct qdinput *) 3344 ((((int)event_shared & ~(0x01FF)) + 512) 3345 + (EVENT_BUFSIZE * unit)); 3346 eq_header[unit]->curs_pos.x = 0; 3347 eq_header[unit]->curs_pos.y = 0; 3348 dga->x_cursor = TRANX(eq_header[unit]->curs_pos.x); 3349 dga->y_cursor = TRANY(eq_header[unit]->curs_pos.y); 3350 eq_header[unit]->curs_box.left = 0; 3351 eq_header[unit]->curs_box.right = 0; 3352 eq_header[unit]->curs_box.top = 0; 3353 eq_header[unit]->curs_box.bottom = 0; 3354 /* 3355 * assign a pointer to the DMA I/O buffer for this QDSS. 3356 */ 3357 DMAheader[unit] = (struct DMAreq_header *) 3358 (((int)(&DMA_shared[0] + 512) & ~0x1FF) 3359 + (DMAbuf_size * unit)); 3360 DMAheader[unit]->DMAreq = (struct DMAreq *) ((int)DMAheader[unit] 3361 + sizeof(struct DMAreq_header)); 3362 DMAheader[unit]->QBAreg = 0; 3363 DMAheader[unit]->status = 0; 3364 DMAheader[unit]->shared_size = DMAbuf_size; 3365 DMAheader[unit]->used = 0; 3366 DMAheader[unit]->size = 10; /* default = 10 requests */ 3367 DMAheader[unit]->oldest = 0; 3368 DMAheader[unit]->newest = 0; 3369 /* 3370 * assign a pointer to the scroll structure for this QDSS. 3371 */ 3372 scroll[unit] = (struct scroll *) 3373 (((int)(&scroll_shared[0] + 512) & ~0x1FF) 3374 + (sizeof(struct scroll) * unit)); 3375 scroll[unit]->status = 0; 3376 scroll[unit]->viper_constant = 0; 3377 scroll[unit]->y_scroll_constant = 0; 3378 scroll[unit]->y_offset = 0; 3379 scroll[unit]->x_index_pending = 0; 3380 scroll[unit]->y_index_pending = 0; 3381 /* 3382 * assign a pointer to the color map write buffer for this QDSS 3383 */ 3384 color_buf[unit] = (struct color_buf *) 3385 (((int)(&color_shared[0] + 512) & ~0x1FF) 3386 + (COLOR_BUFSIZ * unit)); 3387 color_buf[unit]->status = 0; 3388 color_buf[unit]->count = 0; 3389 3390 } /* init_shared */ 3391 3392 /* 3393 * init the ADDER, VIPER, bitmaps, & color map 3394 */ 3395 void 3396 setup_dragon(unit) 3397 int unit; 3398 { 3399 3400 volatile struct adder *adder; 3401 volatile struct dga *dga; 3402 volatile short *memcsr; 3403 int i; 3404 short top; /* clipping/scrolling boundaries */ 3405 short bottom; 3406 short right; 3407 short left; 3408 volatile short *red; /* color map pointers */ 3409 volatile short *green; 3410 volatile short *blue; 3411 3412 /* 3413 * init for setup 3414 */ 3415 adder = (struct adder *) qdmap[unit].adder; 3416 dga = (struct dga *) qdmap[unit].dga; 3417 memcsr = (short *) qdmap[unit].memcsr; 3418 dga->csr &= ~(DMA_IE | 0x700); /* halt DMA and kill the intrpts */ 3419 *memcsr = SYNC_ON; /* blank screen and turn off LED's */ 3420 adder->command = CANCEL; 3421 /* 3422 * set monitor timing 3423 */ 3424 adder->x_scan_count_0 = 0x2800; 3425 adder->x_scan_count_1 = 0x1020; 3426 adder->x_scan_count_2 = 0x003A; 3427 adder->x_scan_count_3 = 0x38F0; 3428 adder->x_scan_count_4 = 0x6128; 3429 adder->x_scan_count_5 = 0x093A; 3430 adder->x_scan_count_6 = 0x313C; 3431 adder->sync_phase_adj = 0x0100; 3432 adder->x_scan_conf = 0x00C8; 3433 /* 3434 * got a bug in secound pass ADDER! lets take care of it 3435 * 3436 * normally, just use the code in the following bug fix code, but to 3437 * make repeated demos look pretty, load the registers as if there was 3438 * no bug and then test to see if we are getting sync 3439 */ 3440 adder->y_scan_count_0 = 0x135F; 3441 adder->y_scan_count_1 = 0x3363; 3442 adder->y_scan_count_2 = 0x2366; 3443 adder->y_scan_count_3 = 0x0388; 3444 /* 3445 * if no sync, do the bug fix code 3446 */ 3447 if (wait_status(adder, VSYNC) == BAD) { 3448 /* first load all Y scan registers with very short frame and 3449 * wait for scroll service. This guarantees at least one SYNC 3450 * to fix the pass 2 Adder initialization bug (synchronizes 3451 * XCINCH with DMSEEDH) 3452 */ 3453 adder->y_scan_count_0 = 0x01; 3454 adder->y_scan_count_1 = 0x01; 3455 adder->y_scan_count_2 = 0x01; 3456 adder->y_scan_count_3 = 0x01; 3457 /* 3458 * delay at least 1 full frame time 3459 */ 3460 (void)wait_status(adder, VSYNC); 3461 (void)wait_status(adder, VSYNC); 3462 /* 3463 * now load the REAL sync values (in reverse order just to 3464 * be safe. 3465 */ 3466 adder->y_scan_count_3 = 0x0388; 3467 adder->y_scan_count_2 = 0x2366; 3468 adder->y_scan_count_1 = 0x3363; 3469 adder->y_scan_count_0 = 0x135F; 3470 } 3471 *memcsr = SYNC_ON | UNBLANK; /* turn off leds and turn on video */ 3472 /* 3473 * zero the index registers 3474 */ 3475 adder->x_index_pending = 0; 3476 adder->y_index_pending = 0; 3477 adder->x_index_new = 0; 3478 adder->y_index_new = 0; 3479 adder->x_index_old = 0; 3480 adder->y_index_old = 0; 3481 adder->pause = 0; 3482 /* 3483 * set rasterop mode to normal pen down 3484 */ 3485 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3486 /* 3487 * set the rasterop registers to a default values 3488 */ 3489 adder->source_1_dx = 1; 3490 adder->source_1_dy = 1; 3491 adder->source_1_x = 0; 3492 adder->source_1_y = 0; 3493 adder->destination_x = 0; 3494 adder->destination_y = 0; 3495 adder->fast_dest_dx = 1; 3496 adder->fast_dest_dy = 0; 3497 adder->slow_dest_dx = 0; 3498 adder->slow_dest_dy = 1; 3499 adder->error_1 = 0; 3500 adder->error_2 = 0; 3501 /* 3502 * scale factor = UNITY 3503 */ 3504 adder->fast_scale = UNITY; 3505 adder->slow_scale = UNITY; 3506 /* 3507 * set the source 2 parameters 3508 */ 3509 adder->source_2_x = 0; 3510 adder->source_2_y = 0; 3511 adder->source_2_size = 0x0022; 3512 /* 3513 * initialize plane addresses for eight vipers 3514 */ 3515 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3516 write_ID(adder, PLANE_ADDRESS, 0x0000); 3517 write_ID(adder, CS_UPDATE_MASK, 0x0002); 3518 write_ID(adder, PLANE_ADDRESS, 0x0001); 3519 write_ID(adder, CS_UPDATE_MASK, 0x0004); 3520 write_ID(adder, PLANE_ADDRESS, 0x0002); 3521 write_ID(adder, CS_UPDATE_MASK, 0x0008); 3522 write_ID(adder, PLANE_ADDRESS, 0x0003); 3523 write_ID(adder, CS_UPDATE_MASK, 0x0010); 3524 write_ID(adder, PLANE_ADDRESS, 0x0004); 3525 write_ID(adder, CS_UPDATE_MASK, 0x0020); 3526 write_ID(adder, PLANE_ADDRESS, 0x0005); 3527 write_ID(adder, CS_UPDATE_MASK, 0x0040); 3528 write_ID(adder, PLANE_ADDRESS, 0x0006); 3529 write_ID(adder, CS_UPDATE_MASK, 0x0080); 3530 write_ID(adder, PLANE_ADDRESS, 0x0007); 3531 /* 3532 * initialize the external registers. 3533 */ 3534 write_ID(adder, CS_UPDATE_MASK, 0x00FF); 3535 write_ID(adder, CS_SCROLL_MASK, 0x00FF); 3536 /* 3537 * initialize resolution mode 3538 */ 3539 write_ID(adder, MEMORY_BUS_WIDTH, 0x000C); /* bus width = 16 */ 3540 write_ID(adder, RESOLUTION_MODE, 0x0000); /* one bit/pixel */ 3541 /* 3542 * initialize viper registers 3543 */ 3544 write_ID(adder, SCROLL_CONSTANT, SCROLL_ENABLE|VIPER_LEFT|VIPER_UP); 3545 write_ID(adder, SCROLL_FILL, 0x0000); 3546 /* 3547 * set clipping and scrolling limits to full screen 3548 */ 3549 for (i = 1000, adder->status = 0; 3550 i > 0 && !(adder->status&ADDRESS_COMPLETE); --i) 3551 ; 3552 if (i == 0) 3553 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3554 top = 0; 3555 bottom = 2048; 3556 left = 0; 3557 right = 1024; 3558 adder->x_clip_min = left; 3559 adder->x_clip_max = right; 3560 adder->y_clip_min = top; 3561 adder->y_clip_max = bottom; 3562 adder->scroll_x_min = left; 3563 adder->scroll_x_max = right; 3564 adder->scroll_y_min = top; 3565 adder->scroll_y_max = bottom; 3566 (void)wait_status(adder, VSYNC); /* wait at LEAST 1 full frame */ 3567 (void)wait_status(adder, VSYNC); 3568 adder->x_index_pending = left; 3569 adder->y_index_pending = top; 3570 adder->x_index_new = left; 3571 adder->y_index_new = top; 3572 adder->x_index_old = left; 3573 adder->y_index_old = top; 3574 3575 for (i = 1000, adder->status = 0; i > 0 && 3576 !(adder->status&ADDRESS_COMPLETE) ; --i) 3577 ; 3578 if (i == 0) 3579 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3580 3581 write_ID(adder, LEFT_SCROLL_MASK, 0x0000); 3582 write_ID(adder, RIGHT_SCROLL_MASK, 0x0000); 3583 /* 3584 * set source and the mask register to all ones (ie: white) o 3585 */ 3586 write_ID(adder, SOURCE, 0xFFFF); 3587 write_ID(adder, MASK_1, 0xFFFF); 3588 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3589 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3590 /* 3591 * initialize Operand Control Register banks for fill command 3592 */ 3593 write_ID(adder, SRC1_OCR_A, EXT_NONE | INT_M1_M2 | NO_ID | WAIT); 3594 write_ID(adder, SRC2_OCR_A, EXT_NONE | INT_SOURCE | NO_ID | NO_WAIT); 3595 write_ID(adder, DST_OCR_A, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3596 write_ID(adder, SRC1_OCR_B, EXT_NONE | INT_SOURCE | NO_ID | WAIT); 3597 write_ID(adder, SRC2_OCR_B, EXT_NONE | INT_M1_M2 | NO_ID | NO_WAIT); 3598 write_ID(adder, DST_OCR_B, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3599 /* 3600 * init Logic Unit Function registers, (these are just common values, 3601 * and may be changed as required). 3602 */ 3603 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3604 write_ID(adder, LU_FUNCTION_R2, FULL_SRC_RESOLUTION | LF_SOURCE | 3605 INV_M1_M2); 3606 write_ID(adder, LU_FUNCTION_R3, FULL_SRC_RESOLUTION | LF_D_OR_S); 3607 write_ID(adder, LU_FUNCTION_R4, FULL_SRC_RESOLUTION | LF_D_XOR_S); 3608 /* 3609 * load the color map for black & white 3610 */ 3611 for (i = 0, adder->status = 0; i < 10000 && !(adder->status&VSYNC); ++i) 3612 ; 3613 3614 if (i == 0) 3615 printf("qd%d: setup_dragon: timeout on VSYNC\n", unit); 3616 3617 red = (short *) qdmap[unit].red; 3618 green = (short *) qdmap[unit].green; 3619 blue = (short *) qdmap[unit].blue; 3620 3621 *red++ = 0x00; /* black */ 3622 *green++ = 0x00; 3623 *blue++ = 0x00; 3624 3625 *red-- = 0xFF; /* white */ 3626 *green-- = 0xFF; 3627 *blue-- = 0xFF; 3628 3629 /* 3630 * set color map for mouse cursor 3631 */ 3632 3633 red += 254; 3634 green += 254; 3635 blue += 254; 3636 3637 *red++ = 0x00; /* black */ 3638 *green++ = 0x00; 3639 *blue++ = 0x00; 3640 3641 *red = 0xFF; /* white */ 3642 *green = 0xFF; 3643 *blue = 0xFF; 3644 3645 } /* setup_dragon */ 3646 3647 /* 3648 * Init the DUART and set defaults in input 3649 */ 3650 void 3651 setup_input(unit) 3652 int unit; 3653 { 3654 volatile struct duart *duart; /* DUART register structure pointer */ 3655 int i, bits; 3656 char id_byte; 3657 3658 duart = (struct duart *) qdmap[unit].duart; 3659 duart->imask = 0; 3660 3661 /* 3662 * setup the DUART for kbd & pointing device 3663 */ 3664 duart->cmdA = RESET_M; /* reset mode reg ptr for kbd */ 3665 duart->modeA = 0x13; /* 8 bits, no parity, rcv IE, */ 3666 /* no RTS control,char error mode */ 3667 duart->modeA = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3668 /* no RTS control,no echo or loop */ 3669 duart->cmdB = RESET_M; /* reset mode reg pntr for host */ 3670 duart->modeB = 0x07; /* 8 bits, odd parity, rcv IE.. */ 3671 /* ..no RTS cntrl, char error mode */ 3672 duart->modeB = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3673 /* no RTS control,no echo or loop */ 3674 duart->auxctl = 0x00; /* baud rate set 1 */ 3675 duart->clkselA = 0x99; /* 4800 baud for kbd */ 3676 duart->clkselB = 0x99; /* 4800 baud for mouse */ 3677 3678 /* reset everything for keyboard */ 3679 3680 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3681 duart->cmdA = bits; 3682 3683 /* reset everything for host */ 3684 3685 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3686 duart->cmdB = bits; 3687 3688 duart->cmdA = EN_RCV | EN_XMT; /* enbl xmt & rcv for kbd */ 3689 duart->cmdB = EN_RCV | EN_XMT; /* enbl xmt & rcv for pointer device */ 3690 3691 /* 3692 * init keyboard defaults (DUART channel A) 3693 */ 3694 for (i = 500; i > 0; --i) { 3695 if (duart->statusA&XMT_RDY) { 3696 duart->dataA = LK_DEFAULTS; 3697 break; 3698 } 3699 } 3700 3701 for (i = 100000; i > 0; --i) { 3702 if (duart->statusA&RCV_RDY) { 3703 break; 3704 } 3705 } 3706 3707 if (duart->dataA) /* flush the ACK */ 3708 ; 3709 3710 /* 3711 * identify the pointing device 3712 */ 3713 for (i = 500; i > 0; --i) { 3714 if (duart->statusB&XMT_RDY) { 3715 duart->dataB = SELF_TEST; 3716 break; 3717 } 3718 } 3719 3720 /* 3721 * wait for 1st byte of self test report */ 3722 3723 for (i = 100000; i > 0; --i) { 3724 if (duart->statusB&RCV_RDY) { 3725 break; 3726 } 3727 } 3728 3729 if (i == 0) { 3730 printf("qd[%d]: setup_input: timeout on 1st byte of self test\n" 3731 ,unit); 3732 goto OUT; 3733 } 3734 3735 if (duart->dataB) 3736 ; 3737 3738 /* 3739 * wait for ID byte of self test report 3740 */ 3741 for (i = 100000; i > 0; --i) { 3742 if (duart->statusB&RCV_RDY) { 3743 break; 3744 } 3745 } 3746 3747 if (i == 0) { 3748 printf("qd[%d]: setup_input: timeout on 2nd byte of self test\n", unit); 3749 goto OUT; 3750 } 3751 3752 id_byte = duart->dataB; 3753 3754 /* 3755 * wait for other bytes to come in 3756 */ 3757 for (i = 100000; i > 0; --i) { 3758 if (duart->statusB & RCV_RDY) { 3759 if (duart->dataB) 3760 ; 3761 break; 3762 } 3763 } 3764 if (i == 0) { 3765 printf("qd[%d]: setup_input: timeout on 3rd byte of self test\n", unit); 3766 goto OUT; 3767 } 3768 for (i = 100000; i > 0; --i) { 3769 if (duart->statusB&RCV_RDY) { 3770 if (duart->dataB) 3771 ; 3772 break; 3773 } 3774 } 3775 if (i == 0) { 3776 printf("qd[%d]: setup_input: timeout on 4th byte of self test\n", unit); 3777 goto OUT; 3778 } 3779 /* 3780 * flag pointing device type and set defaults 3781 */ 3782 for (i=100000; i>0; --i) 3783 ; /*XXX*/ 3784 3785 if ((id_byte & 0x0F) != TABLET_ID) { 3786 qdflags[unit].pntr_id = MOUSE_ID; 3787 3788 for (i = 500; i > 0; --i) { 3789 if (duart->statusB&XMT_RDY) { 3790 duart->dataB = INC_STREAM_MODE; 3791 break; 3792 } 3793 } 3794 } 3795 else { 3796 qdflags[unit].pntr_id = TABLET_ID; 3797 3798 for (i = 500; i > 0; --i) { 3799 if (duart->statusB&XMT_RDY) { 3800 duart->dataB = T_STREAM; 3801 break; 3802 } 3803 } 3804 } 3805 OUT: 3806 duart->imask = qdflags[unit].duart_imask; 3807 3808 } /* setup_input */ 3809 3810 /* 3811 * delay for at least one display frame time 3812 * 3813 * return: BAD means that we timed out without ever seeing the 3814 * vertical sync status bit 3815 * GOOD otherwise 3816 */ 3817 int 3818 wait_status(adder, mask) 3819 volatile struct adder *adder; 3820 int mask; 3821 { 3822 int i; 3823 3824 for (i = 10000, adder->status = 0 ; i > 0 && 3825 !(adder->status&mask) ; --i) 3826 ; 3827 3828 if (i == 0) { 3829 printf("wait_status: timeout polling for 0x%x in adder->status\n", mask); 3830 return(BAD); 3831 } 3832 3833 return(GOOD); 3834 3835 } /* wait_status */ 3836 3837 /* 3838 * write out onto the ID bus 3839 */ 3840 void 3841 write_ID(adder, adrs, data) 3842 volatile struct adder *adder; 3843 short adrs; 3844 short data; 3845 { 3846 int i; 3847 3848 for (i = 100000, adder->status = 0 ; 3849 i > 0 && !(adder->status&ADDRESS_COMPLETE) ; --i) 3850 ; 3851 3852 if (i == 0) 3853 goto ERR; 3854 3855 for (i = 100000, adder->status = 0 ; 3856 i > 0 && !(adder->status&TX_READY) ; --i) 3857 ; 3858 3859 if (i > 0) { 3860 adder->id_data = data; 3861 adder->command = ID_LOAD | adrs; 3862 return ; 3863 } 3864 3865 ERR: 3866 printf("write_ID: timeout trying to write to VIPER\n"); 3867 return ; 3868 3869 } /* write_ID */ 3870
Indexes created Tue Oct 21 16:10:11 GMT 2025