qd.c revision 1.43
1 /* $NetBSD: qd.c,v 1.43 2008/03/11 05:34:01 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1988 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)qd.c 7.1 (Berkeley) 6/28/91 32 */ 33 34 /************************************************************************ 35 * * 36 * Copyright (c) 1985-1988 by * 37 * Digital Equipment Corporation, Maynard, MA * 38 * All rights reserved. * 39 * * 40 * This software is furnished under a license and may be used and * 41 * copied only in accordance with the terms of such license and * 42 * with the inclusion of the above copyright notice. This * 43 * software or any other copies thereof may not be provided or * 44 * otherwise made available to any other person. No title to and * 45 * ownership of the software is hereby transferred. * 46 * * 47 * The information in this software is subject to change without * 48 * notice and should not be construed as a commitment by Digital * 49 * Equipment Corporation. * 50 * * 51 * Digital assumes no responsibility for the use or reliability * 52 * of its software on equipment which is not supplied by Digital. * 53 * * 54 *************************************************************************/ 55 56 /* 57 * qd.c - QDSS display driver for VAXSTATION-II GPX workstation 58 */ 59 60 #include <sys/cdefs.h> 61 __KERNEL_RCSID(0, "$NetBSD: qd.c,v 1.43 2008/03/11 05:34:01 matt Exp $"); 62 63 #include "opt_ddb.h" 64 65 #include "qd.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/conf.h> 70 #include <sys/tty.h> 71 #include <sys/kernel.h> 72 #include <sys/device.h> 73 #include <sys/poll.h> 74 #include <sys/buf.h> 75 76 #include <uvm/uvm_extern.h> 77 78 #include <dev/cons.h> 79 80 #include <sys/bus.h> 81 #include <machine/scb.h> 82 83 #ifdef __vax__ 84 #include <machine/sid.h> 85 #include <sys/cpu.h> 86 #include <machine/pte.h> 87 #endif 88 89 #include <dev/qbus/ubavar.h> 90 91 #include <dev/qbus/qduser.h> 92 #include <dev/qbus/qdreg.h> 93 #include <dev/qbus/qdioctl.h> 94 95 #include "ioconf.h" 96 97 /* 98 * QDSS driver status flags for tracking operational state 99 */ 100 struct qdflags { 101 u_int inuse; /* which minor dev's are in use now */ 102 u_int config; /* I/O page register content */ 103 u_int mapped; /* user mapping status word */ 104 u_int kernel_loop; /* if kernel console is redirected */ 105 u_int user_dma; /* DMA from user space in progress */ 106 u_short pntr_id; /* type code of pointing device */ 107 u_short duart_imask; /* shadowing for duart intrpt mask reg */ 108 u_short adder_ie; /* shadowing for adder intrpt enbl reg */ 109 u_short curs_acc; /* cursor acceleration factor */ 110 u_short curs_thr; /* cursor acceleration threshold level */ 111 u_short tab_res; /* tablet resolution factor */ 112 u_short selmask; /* mask for active qd select entries */ 113 }; 114 115 /* 116 * Softc struct to keep track of all states in this driver. 117 */ 118 struct qd_softc { 119 struct device sc_dev; 120 bus_space_tag_t sc_iot; 121 bus_space_handle_t sc_ioh; 122 bus_dma_tag_t sc_dmat; 123 }; 124 125 /* 126 * bit definitions for 'inuse' entry 127 */ 128 #define CONS_DEV 0x01 129 #define GRAPHIC_DEV 0x04 130 131 /* 132 * bit definitions for 'mapped' member of flag structure 133 */ 134 #define MAPDEV 0x01 /* hardware is mapped */ 135 #define MAPDMA 0x02 /* DMA buffer mapped */ 136 #define MAPEQ 0x04 /* event queue buffer mapped */ 137 #define MAPSCR 0x08 /* scroll param area mapped */ 138 #define MAPCOLOR 0x10 /* color map writing buffer mapped */ 139 140 /* 141 * constants used in shared memory operations 142 */ 143 #define EVENT_BUFSIZE 1024 /* # of bytes per device's event buffer */ 144 #define MAXEVENTS ( (EVENT_BUFSIZE - sizeof(struct qdinput)) \ 145 / sizeof(struct _vs_event) ) 146 #define DMA_BUFSIZ (1024 * 10) 147 #define COLOR_BUFSIZ ((sizeof(struct color_buf) + 512) & ~0x01FF) 148 149 /* 150 * reference to an array of "uba_device" structures built by the auto 151 * configuration program. The uba_device structure decribes the device 152 * sufficiently for the driver to talk to it. The auto configuration code 153 * fills in the uba_device structures (located in ioconf.c) from user 154 * maintained info. 155 */ 156 struct uba_device *qdinfo[NQD]; /* array of pntrs to each QDSS's */ 157 struct tty *qd_tty[NQD*4]; /* teletype structures for each.. */ 158 volatile char *qvmem[NQD]; 159 volatile struct pte *QVmap[NQD]; 160 #define CHUNK (64 * 1024) 161 #define QMEMSIZE (1024 * 1024 * 4) /* 4 meg */ 162 163 /* 164 * static storage used by multiple functions in this code 165 */ 166 int Qbus_unmap[NQD]; /* Qbus mapper release code */ 167 struct qdmap qdmap[NQD]; /* QDSS register map structure */ 168 struct qdflags qdflags[NQD]; /* QDSS register map structure */ 169 void *qdbase[NQD]; /* base address of each QDSS unit */ 170 struct buf qdbuf[NQD]; /* buf structs used by strategy */ 171 short qdopened[NQD]; /* graphics device is open exclusive use */ 172 173 /* 174 * the array "event_shared[]" is made up of a number of event queue buffers 175 * equal to the number of QDSS's configured into the running kernel (NQD). 176 * Each event queue buffer begins with an event queue header (struct qdinput) 177 * followed by a group of event queue entries (struct _vs_event). The array 178 * "*eq_header[]" is an array of pointers to the start of each event queue 179 * buffer in "event_shared[]". 180 */ 181 #define EQSIZE ((EVENT_BUFSIZE * NQD) + 512) 182 183 char event_shared[EQSIZE]; /* reserve space for event bufs */ 184 struct qdinput *eq_header[NQD]; /* event queue header pntrs */ 185 186 /* 187 * This allocation method reserves enough memory pages for NQD shared DMA I/O 188 * buffers. Each buffer must consume an integral number of memory pages to 189 * guarantee that a following buffer will begin on a page boundary. Also, 190 * enough space is allocated so that the FIRST I/O buffer can start at the 191 * 1st page boundary after "&DMA_shared". Page boundaries are used so that 192 * memory protections can be turned on/off for individual buffers. 193 */ 194 #define IOBUFSIZE ((DMA_BUFSIZ * NQD) + 512) 195 196 char DMA_shared[IOBUFSIZE]; /* reserve I/O buffer space */ 197 struct DMAreq_header *DMAheader[NQD]; /* DMA buffer header pntrs */ 198 199 /* 200 * The driver assists a client in scroll operations by loading dragon 201 * registers from an interrupt service routine. The loading is done using 202 * parameters found in memory shrade between the driver and it's client. 203 * The scroll parameter structures are ALL loacted in the same memory page 204 * for reasons of memory economy. 205 */ 206 char scroll_shared[2 * 512]; /* reserve space for scroll structs */ 207 struct scroll *scroll[NQD]; /* pointers to scroll structures */ 208 209 /* 210 * the driver is programmable to provide the user with color map write 211 * services at VSYNC interrupt time. At interrupt time the driver loads 212 * the color map with any user-requested load data found in shared memory 213 */ 214 #define COLOR_SHARED ((COLOR_BUFSIZ * NQD) + 512) 215 216 char color_shared[COLOR_SHARED]; /* reserve space: color bufs */ 217 struct color_buf *color_buf[NQD]; /* pointers to color bufs */ 218 219 /* 220 * mouse input event structures 221 */ 222 struct mouse_report last_rep[NQD]; 223 struct mouse_report current_rep[NQD]; 224 225 struct selinfo qdrsel[NQD]; /* process waiting for select */ 226 struct _vs_cursor cursor[NQD]; /* console cursor */ 227 int qdcount = 0; /* count of successfully probed qd's */ 228 int nNQD = NQD; 229 int DMAbuf_size = DMA_BUFSIZ; 230 int QDlast_DMAtype; /* type of the last DMA operation */ 231 232 /* 233 * macro to get system time. Used to time stamp event queue entries 234 */ 235 #define TOY ((time.tv_sec * 100) + (time.tv_usec / 10000)) 236 237 void qd_attach(device_t, device_t, void *); 238 static int qd_match(device_t, cfdata_t, void *); 239 240 static void qddint(void *); /* DMA gate array intrpt service */ 241 static void qdaint(void *); /* Dragon ADDER intrpt service */ 242 static void qdiint(void *); 243 244 #define QDPRIOR (PZERO-1) /* must be negative */ 245 #define FALSE 0 246 #ifdef TRUE 247 #undef TRUE 248 #endif 249 #define TRUE ~FALSE 250 #define BAD -1 251 #define GOOD 0 252 253 /* 254 * macro to create a system virtual page number from system virtual adrs 255 */ 256 #define VTOP(x) (((int)x & ~0xC0000000) >> VAX_PGSHIFT) 257 258 /* 259 * QDSS register address offsets from start of QDSS address space 260 */ 261 #define QDSIZE (52 * 1024) /* size of entire QDSS foot print */ 262 #define TMPSIZE (16 * 1024) /* template RAM is 8k SHORT WORDS */ 263 #define TMPSTART 0x8000 /* offset of template RAM from base adrs */ 264 #define REGSIZE (5 * 512) /* regs touch 2.5k (5 pages) of addr space */ 265 #define REGSTART 0xC000 /* offset of reg pages from base adrs */ 266 #define ADDER (REGSTART+0x000) 267 #define DGA (REGSTART+0x200) 268 #define DUART (REGSTART+0x400) 269 #define MEMCSR (REGSTART+0x800) 270 #define CLRSIZE (3 * 512) /* color map size */ 271 #define CLRSTART (REGSTART+0xA00) /* color map start offset from base */ 272 /* 0x0C00 really */ 273 #define RED (CLRSTART+0x000) 274 #define BLUE (CLRSTART+0x200) 275 #define GREEN (CLRSTART+0x400) 276 277 278 /* 279 * QDSS minor device numbers. The *real* minor device numbers are in 280 * the bottom two bits of the major/minor device spec. Bits 2 and up are 281 * used to specify the QDSS device number (ie: which one?) 282 */ 283 284 #define CONS 0 285 #define GRAPHIC 2 286 287 /* 288 * console cursor bitmap (white block cursor) 289 */ 290 short cons_cursor[32] = { 291 /* A */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 292 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 293 /* B */ 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 294 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF, 0x00FF 295 }; 296 297 /* 298 * constants used in font operations 299 */ 300 #define CHARS 190 /* # of chars in the font */ 301 #define CHAR_HEIGHT 15 /* char height in pixels */ 302 #define CHAR_WIDTH 8 /* char width in pixels*/ 303 #define FONT_WIDTH (CHAR_WIDTH * CHARS) /* font width in pixels */ 304 #define ROWS CHAR_HEIGHT 305 #define FONT_X 0 /* font's off screen adrs */ 306 #define FONT_Y (2048 - CHAR_HEIGHT) 307 308 /* Offset to second row characters (XXX - should remove) */ 309 #define FONT_OFFSET ((MAX_SCREEN_X/CHAR_WIDTH)*CHAR_HEIGHT) 310 311 extern char q_font[]; /* reference font object code */ 312 extern u_short q_key[]; /* reference key xlation tables */ 313 extern u_short q_shift_key[]; 314 extern char *q_special[]; 315 316 /* 317 * definitions for cursor acceleration reporting 318 */ 319 #define ACC_OFF 0x01 /* acceleration is inactive */ 320 321 /* 322 * virtual console support. 323 */ 324 extern struct cdevsw *consops; 325 cons_decl(qd); 326 void setup_dragon(int); 327 void init_shared(int); 328 void clear_qd_screen(int); 329 void ldfont(int); 330 void ldcursor(int, short *); 331 void setup_input(int); 332 void blitc(int, u_char); 333 void scroll_up(volatile struct adder *); 334 void write_ID(volatile struct adder *, short, short); 335 int wait_status(volatile struct adder *, int); 336 void led_control(int, int, int); 337 void qdstart(struct tty *); 338 void qdearly(void); 339 int qdpolling = 0; 340 341 dev_type_open(qdopen); 342 dev_type_close(qdclose); 343 dev_type_read(qdread); 344 dev_type_write(qdwrite); 345 dev_type_ioctl(qdioctl); 346 dev_type_stop(qdstop); 347 dev_type_poll(qdpoll); 348 dev_type_kqfilter(qdkqfilter); 349 350 const struct cdevsw qd_cdevsw = { 351 qdopen, qdclose, qdread, qdwrite, qdioctl, 352 qdstop, notty, qdpoll, nommap, qdkqfilter, 353 }; 354 355 /* 356 * LK-201 state storage for input console keyboard conversion to ASCII 357 */ 358 struct q_keyboard { 359 int shift; /* state variables */ 360 int cntrl; 361 int lock; 362 int lastcode; /* last keycode typed */ 363 unsigned kup[8]; /* bits for each keycode*/ 364 unsigned dkeys[8]; /* down/up mode keys */ 365 char last; /* last character */ 366 } q_keyboard; 367 368 /* 369 * tty settings on first open 370 */ 371 #define IFLAG (BRKINT|ISTRIP|IXON|IXANY|ICRNL|IMAXBEL) 372 #define OFLAG (OPOST|OXTABS|ONLCR) 373 #define LFLAG (ISIG|ICANON|ECHO|IEXTEN) 374 #define CFLAG (PARENB|CREAD|CS7|CLOCAL) 375 376 /* 377 * Kernel virtual addresses where we can map in the QBUS io page and the 378 * QDSS memory during qdcninit. pmap_bootstrap fills this in. 379 */ 380 void *qd_ubaio; 381 382 /* This is the QDSS unit 0 CSR. It is hard-coded in here so that the 383 * QDSS can be used as the console. The console routines don't get 384 * any config info. The ROM also autodetects at this address, so 385 * the console QDSS should be at this address. Furthermore, nothing 386 * else shuld be at this address instead because that would confuse the 387 * ROM and this driver. 388 */ 389 #define QDSSCSR 0x1F00 390 391 volatile u_short *qdaddr; /* Virtual address for QDSS CSR */ 392 393 /* 394 * This flag is set to 1 if the console initialization (qdcninit) 395 * has been performed on qd0. That initialization is required and must 396 * be done before the device probe routine. 397 */ 398 int qd0cninited = 0, qd0iscons = 0; 399 400 /* 401 * Do early check if the qdss is console. If not; don't allocate 402 * any memory for it in bootstrap. 403 */ 404 void 405 qdearly() 406 { 407 extern vaddr_t virtual_avail; 408 int tmp; 409 410 /* Make sure we're running on a system that can have a QDSS */ 411 if (vax_boardtype == VAX_BTYP_630) { 412 /* Now check some undocumented flag */ 413 if ((*(int *)(0x200B801E) & 0x60) == 0) 414 /* The KA630 isn't using a QDSS as the console, 415 * so we won't either */ 416 return; 417 } else if (vax_boardtype != VAX_BTYP_650) 418 return; 419 420 /* How to check for console on KA650? We assume that if there is a 421 * QDSS, it is console. 422 */ 423 #define QIOPAGE 0x20000000 /* XXX */ 424 #define UBAIOPAGES 16 425 tmp = QIOPAGE + ubdevreg(QDSSCSR); 426 if (badaddr((void *)tmp, sizeof(short))) 427 return; 428 429 MAPVIRT(qvmem[0], 64 * 1024 * NQD / VAX_NBPG); 430 MAPVIRT(qd_ubaio, 16); 431 pmap_map((int)qd_ubaio, QIOPAGE, QIOPAGE + UBAIOPAGES * VAX_NBPG, 432 VM_PROT_READ|VM_PROT_WRITE); 433 qdaddr = (u_short *)((u_int)qd_ubaio + ubdevreg(QDSSCSR)); 434 qd0iscons = 1; 435 } 436 437 void 438 qdcnprobe(cndev) 439 struct consdev *cndev; 440 { 441 int i; 442 443 cndev->cn_pri = CN_DEAD; 444 445 if (mfpr(PR_MAPEN) == 0) 446 return; /* Cannot use qd if vm system is OFF */ 447 448 if (!qd0iscons) 449 return; 450 451 /* Find the console device corresponding to the console QDSS */ 452 cndev->cn_dev = makedev(cdevsw_lookup_major(&qd_cdevsw), 0); 453 cndev->cn_pri = CN_INTERNAL; 454 return; 455 } 456 457 458 /* 459 * Init QDSS as console (before probe routine) 460 */ 461 void 462 qdcninit(cndev) 463 struct consdev *cndev; 464 { 465 void *phys_adr; /* physical QDSS base adrs */ 466 u_int mapix; /* index into QVmap[] array */ 467 int unit; 468 469 /* qdaddr must point to CSR for this unit! */ 470 471 /* The console QDSS is QDSS unit 0 */ 472 unit = 0; 473 474 /* 475 * Map q-bus memory used by qdss. (separate map) 476 */ 477 mapix = QMEMSIZE - (CHUNK * (unit + 1)); 478 #define QMEM 0x30000000 479 (int)phys_adr = QMEM + mapix; 480 pmap_map((int)(qvmem[0]), (int)phys_adr, (int)(phys_adr + (CHUNK*NQD)), 481 VM_PROT_READ|VM_PROT_WRITE); 482 483 /* 484 * Set QVmap to point to page table entries for what we just 485 * mapped. 486 */ 487 QVmap[0] = (struct pte *)kvtopte(qvmem[0]); 488 489 /* 490 * tell QDSS which Q memory address base to decode 491 * (shifted right 16 bits - its in 64K units) 492 */ 493 *qdaddr = (u_short)((int)mapix >> 16); 494 qdflags[unit].config = *(u_short *)qdaddr; 495 496 /* 497 * load qdmap struct with the virtual addresses of the QDSS elements 498 */ 499 qdbase[unit] = (void *) (qvmem[0]); 500 qdmap[unit].template = qdbase[unit] + TMPSTART; 501 qdmap[unit].adder = qdbase[unit] + ADDER; 502 qdmap[unit].dga = qdbase[unit] + DGA; 503 qdmap[unit].duart = qdbase[unit] + DUART; 504 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 505 qdmap[unit].red = qdbase[unit] + RED; 506 qdmap[unit].blue = qdbase[unit] + BLUE; 507 qdmap[unit].green = qdbase[unit] + GREEN; 508 509 qdflags[unit].duart_imask = 0; /* init shadow variables */ 510 511 /* 512 * init the QDSS 513 */ 514 515 *(short *)qdmap[unit].memcsr |= SYNC_ON; /* once only: turn on sync */ 516 517 cursor[unit].x = 0; 518 cursor[unit].y = 0; 519 init_shared(unit); /* init shared memory */ 520 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 521 clear_qd_screen(unit); /* clear the screen */ 522 ldfont(unit); /* load the console font */ 523 ldcursor(unit, cons_cursor); /* load default cursor map */ 524 setup_input(unit); /* init the DUART */ 525 selinit(&qdrsel[unit]); 526 527 /* Set flag so probe knows */ 528 qd0cninited = 1; 529 } /* qdcninit */ 530 531 /* see <sys/device.h> */ 532 CFATTACH_DECL(qd, sizeof(struct qd_softc), 533 qd_match, qd_attach, NULL, NULL); 534 535 #define QD_RCSR(reg) \ 536 bus_space_read_2(sc->sc_iot, sc->sc_ioh, reg) 537 #define QD_WCSR(reg, val) \ 538 bus_space_write_2(sc->sc_iot, sc->sc_ioh, reg, val) 539 540 /* 541 * Configure QDSS into Q memory and make it intrpt. 542 * 543 * side effects: QDSS gets mapped into Qbus memory space at the first 544 * vacant 64kb boundary counting back from the top of 545 * Qbus memory space (qvmem+4mb) 546 * 547 * return: QDSS bus request level and vector address returned in 548 * registers by UNIX convention. 549 * 550 */ 551 static int 552 qd_match(parent, match, aux) 553 device_t parent; 554 cfdata_t match; 555 void *aux; 556 { 557 struct qd_softc ssc; 558 struct qd_softc *sc = &ssc; 559 struct uba_attach_args *ua = aux; 560 struct uba_softc *uh = (void *)parent; 561 int unit; 562 volatile struct dga *dga; /* pointer to gate array structure */ 563 int vector; 564 #ifdef notdef 565 int *ptep; /* page table entry pointer */ 566 void *phys_adr; /* physical QDSS base adrs */ 567 u_int mapix; 568 #endif 569 570 /* Create a "fake" softc with only a few fields used. */ 571 sc->sc_iot = ua->ua_iot; 572 sc->sc_ioh = ua->ua_ioh; 573 sc->sc_dmat = ua->ua_dmat; 574 /* 575 * calculate board unit number from I/O page register address 576 */ 577 unit = (int) (((int)sc->sc_ioh >> 1) & 0x0007); 578 579 /* 580 * QDSS regs must be mapped to Qbus memory space at a 64kb 581 * physical boundary. The Qbus memory space is mapped into 582 * the system memory space at config time. After config 583 * runs, "qvmem[0]" (ubavar.h) holds the system virtual adrs 584 * of the start of Qbus memory. The Qbus memory page table 585 * is found via an array of pte ptrs called "QVmap[]" (ubavar.h) 586 * which is also loaded at config time. These are the 587 * variables used below to find a vacant 64kb boundary in 588 * Qbus memory, and load it's corresponding physical adrs 589 * into the QDSS's I/O page CSR. 590 */ 591 592 /* 593 * Only if QD is the graphics device. 594 */ 595 596 /* if this QDSS is NOT the console, then do init here.. */ 597 598 if (unit != 0) { 599 printf("qd: can't support two qdss's (yet)\n"); 600 #ifdef notdef /* can't test */ 601 if (v_consputc != qdputc || unit != 0) { 602 603 /* 604 * read QDSS config info 605 */ 606 qdflags[unit].config = *(u_short *)reg; 607 608 /* 609 * find an empty 64kb adrs boundary 610 */ 611 612 qdbase[unit] = (void *) (qvmem[0] + QMEMSIZE - CHUNK); 613 614 /* 615 * find the cpusw entry that matches this machine. 616 */ 617 cpup = &cpusw[cpu]; 618 while (!(BADADDR(qdbase[unit], sizeof(short)))) 619 qdbase[unit] -= CHUNK; 620 621 /* 622 * tell QDSS which Q memory address base to decode 623 */ 624 mapix = (int) (VTOP(qdbase[unit]) - VTOP(qvmem[0])); 625 ptep = (int *) QVmap[0] + mapix; 626 phys_adr = (void *)(((int)*ptep&0x001FFFFF)<<VAX_PGSHIFT); 627 *(u_short *)reg = (u_short) ((int)phys_adr >> 16); 628 629 /* 630 * load QDSS adrs map with system addresses 631 * of device regs 632 */ 633 qdmap[unit].template = qdbase[unit] + TMPSTART; 634 qdmap[unit].adder = qdbase[unit] + ADDER; 635 qdmap[unit].dga = qdbase[unit] + DGA; 636 qdmap[unit].duart = qdbase[unit] + DUART; 637 qdmap[unit].memcsr = qdbase[unit] + MEMCSR; 638 qdmap[unit].red = qdbase[unit] + RED; 639 qdmap[unit].blue = qdbase[unit] + BLUE; 640 qdmap[unit].green = qdbase[unit] + GREEN; 641 642 /* device init */ 643 644 cursor[unit].x = 0; 645 cursor[unit].y = 0; 646 init_shared(unit); /* init shared memory */ 647 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 648 ldcursor(unit, cons_cursor); /* load default cursor map */ 649 setup_input(unit); /* init the DUART */ 650 clear_qd_screen(unit); 651 ldfont(unit); /* load the console font */ 652 653 /* once only: turn on sync */ 654 655 *(short *)qdmap[unit].memcsr |= SYNC_ON; 656 } 657 #endif /*notdef*/ 658 } else { 659 /* We are dealing with qd0 */ 660 661 if (!qd0cninited) { 662 /* 663 * qd0 has not been initiallized as the console. 664 * We need to do some initialization now 665 * 666 * XXX 667 * However, if the QDSS is not the console then 668 * that stupid undocumented bit (see qdcnprobe) 669 * is cleared. Then the QDSS refuses to work. 670 * (What did the ROM do to it!?) 671 * XXX 672 */ 673 return 0; 674 675 #if 0 676 qdaddr = (void *)reg; 677 678 /* Lame probe for QDSS. Should be ok for qd0 */ 679 if (badaddr((void *)qdaddr, sizeof(short))) 680 return 0; 681 682 qdcninit(NULL); 683 #endif 684 } 685 } 686 687 688 /* 689 * The QDSS interrupts at HEX vectors xx0 (DMA) xx4 690 * (ADDER) and xx8 (DUART). Therefore, we take three 691 * vectors from the vector pool, and then continue 692 * to take them until we get a xx0 HEX vector. The 693 * pool provides vectors in contiguous decending 694 * order. 695 */ 696 697 vector = (uh->uh_lastiv -= 4*3); /* take three vectors */ 698 699 while (vector & 0x0F) { /* if lo nibble != 0.. */ 700 /* ..take another vector */ 701 vector = (uh->uh_lastiv -= 4); 702 } 703 704 /* 705 * setup DGA to do a DMA interrupt (transfer count = 0) 706 */ 707 dga = (struct dga *) qdmap[unit].dga; 708 dga->csr = (short) HALT; /* disable everything */ 709 dga->ivr = (short) vector; /* load intrpt base vector */ 710 dga->bytcnt_lo = (short) 0; /* DMA xfer count = 0 */ 711 dga->bytcnt_hi = (short) 0; 712 713 /* 714 * turn on DMA interrupts 715 */ 716 dga->csr &= ~SET_DONE_FIFO; 717 dga->csr |= DMA_IE | DL_ENB; 718 719 DELAY(20000); /* wait for the intrpt */ 720 dga->csr = HALT; /* stop the wheels */ 721 722 /* 723 * score this as an existing qdss 724 */ 725 qdcount++; 726 727 return 1; 728 } /* qdprobe */ 729 730 731 void qd_attach(parent, self, aux) 732 device_t parent, *self; 733 void *aux; 734 { 735 struct uba_attach_args *ua = aux; 736 int unit; /* QDSS module # for this call */ 737 738 printf("\n"); 739 740 unit = device_unit(self); /* get QDSS number */ 741 742 /* Set interrupt vectors for interrupt handlers */ 743 744 uba_intr_establish(ua->ua_icookie, ua->ua_cvec , qddint, self); 745 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 4, qdaint, self); 746 uba_intr_establish(ua->ua_icookie, ua->ua_cvec + 8, qdiint, self); 747 748 /* 749 * init "qdflags[]" for this QDSS 750 */ 751 qdflags[unit].inuse = 0; /* init inuse variable EARLY! */ 752 qdflags[unit].mapped = 0; 753 qdflags[unit].kernel_loop = -1; 754 qdflags[unit].user_dma = 0; 755 qdflags[unit].curs_acc = ACC_OFF; 756 qdflags[unit].curs_thr = 128; 757 qdflags[unit].tab_res = 2; /* default tablet resolution factor */ 758 qdflags[unit].duart_imask = 0; /* init shadow variables */ 759 qdflags[unit].adder_ie = 0; 760 761 /* 762 * init structures used in kbd/mouse interrupt service. This code must 763 * come after the "init_shared()" routine has run since that routine 764 * inits the eq_header[unit] structure used here. 765 */ 766 767 /* 768 * init the "latest mouse report" structure 769 */ 770 last_rep[unit].state = 0; 771 last_rep[unit].dx = 0; 772 last_rep[unit].dy = 0; 773 last_rep[unit].bytcnt = 0; 774 775 /* 776 * init the event queue (except mouse position) 777 */ 778 eq_header[unit]->header.events = 779 (struct _vs_event *)((int)eq_header[unit] + sizeof(struct qdinput)); 780 781 eq_header[unit]->header.size = MAXEVENTS; 782 eq_header[unit]->header.head = 0; 783 eq_header[unit]->header.tail = 0; 784 785 /* 786 * open exclusive for graphics device. 787 */ 788 qdopened[unit] = 0; 789 790 } /* qdattach */ 791 792 793 /*ARGSUSED*/ 794 int 795 qdopen(dev, flag, mode, p) 796 dev_t dev; 797 int flag, mode; 798 struct proc *p; 799 { 800 volatile struct dga *dga; /* ptr to gate array struct */ 801 struct tty *tp; 802 volatile struct duart *duart; 803 int unit; 804 int minor_dev; 805 806 minor_dev = minor(dev); /* get QDSS minor device number */ 807 unit = minor_dev >> 2; 808 809 /* 810 * check for illegal conditions 811 */ 812 if (unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[unit] == NULL) 813 return (ENXIO); /* no such device or address */ 814 815 duart = (struct duart *) qdmap[unit].duart; 816 dga = (struct dga *) qdmap[unit].dga; 817 818 if ((minor_dev & 0x03) == 2) { 819 /* 820 * this is the graphic device... 821 */ 822 if (qdopened[unit] != 0) 823 return(EBUSY); 824 else 825 qdopened[unit] = 1; 826 qdflags[unit].inuse |= GRAPHIC_DEV; /* graphics dev is open */ 827 /* 828 * enble kbd & mouse intrpts in DUART mask reg 829 */ 830 qdflags[unit].duart_imask |= 0x22; 831 duart->imask = qdflags[unit].duart_imask; 832 } else { 833 /* Only one console */ 834 if (minor_dev) return ENXIO; 835 836 /* If not done already, allocate tty structure */ 837 if (qd_tty[minor_dev] == NULL) 838 qd_tty[minor_dev] = ttymalloc(); 839 840 if (qd_tty[minor_dev] == NULL) 841 return ENXIO; 842 843 /* 844 * this is the console 845 */ 846 qdflags[unit].inuse |= CONS_DEV; /* mark console as open */ 847 dga->csr |= CURS_ENB; 848 qdflags[unit].duart_imask |= 0x02; 849 duart->imask = qdflags[unit].duart_imask; 850 /* 851 * some setup for tty handling 852 */ 853 tp = qd_tty[minor_dev]; 854 /* tp->t_addr = ui->ui_addr; */ 855 tp->t_oproc = qdstart; 856 tp->t_dev = dev; 857 if ((tp->t_state & TS_ISOPEN) == 0) { 858 ttychars(tp); 859 tp->t_ispeed = B9600; 860 tp->t_ospeed = B9600; 861 tp->t_state = TS_ISOPEN | TS_CARR_ON; 862 tp->t_iflag = TTYDEF_IFLAG; 863 tp->t_oflag = TTYDEF_OFLAG; 864 tp->t_lflag = TTYDEF_LFLAG; 865 tp->t_cflag = TTYDEF_CFLAG; 866 ttsetwater(tp); 867 } 868 /* 869 * enable intrpts, open line discipline 870 */ 871 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 872 return ((*tp->t_linesw->l_open)(dev, tp)); 873 } 874 dga->csr |= GLOBAL_IE; /* turn on the interrupts */ 875 return(0); 876 877 } /* qdopen */ 878 879 /*ARGSUSED*/ 880 int 881 qdclose(dev, flag, mode, p) 882 dev_t dev; 883 int flag, mode; 884 struct proc *p; 885 { 886 struct tty *tp; 887 struct qdmap *qd; 888 volatile int *ptep; 889 volatile struct dga *dga; /* gate array register map pointer */ 890 volatile struct duart *duart; 891 volatile struct adder *adder; 892 int unit; 893 int minor_dev; 894 u_int mapix; 895 int i; /* SIGNED index */ 896 struct uba_softc *uh; 897 898 minor_dev = minor(dev); /* get minor device number */ 899 unit = minor_dev >> 2; /* get QDSS number */ 900 qd = &qdmap[unit]; 901 902 uh = (struct uba_softc *) 903 device_parent((device_t )(qd_cd.cd_devs[unit])); 904 905 906 if ((minor_dev & 0x03) == 2) { 907 /* 908 * this is the graphic device... 909 */ 910 if (qdopened[unit] != 1) 911 return(EBUSY); 912 else 913 qdopened[unit] = 0; /* allow it to be re-opened */ 914 /* 915 * re-protect device memory 916 */ 917 if (qdflags[unit].mapped & MAPDEV) { 918 /* 919 * TEMPLATE RAM 920 */ 921 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 922 ptep = (int *)(QVmap[0] + mapix); 923 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 924 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 925 /* 926 * ADDER 927 */ 928 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 929 ptep = (int *)(QVmap[0] + mapix); 930 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 931 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 932 /* 933 * COLOR MAPS 934 */ 935 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 936 ptep = (int *)(QVmap[0] + mapix); 937 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 938 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 939 } 940 941 /* 942 * re-protect DMA buffer and free the map registers 943 */ 944 if (qdflags[unit].mapped & MAPDMA) { 945 panic("Unmapping unmapped buffer"); 946 #ifdef notyet 947 /* 948 * Ragge 990620: 949 * Can't happen because the buffer can't be mapped. 950 */ 951 dga = (struct dga *) qdmap[unit].dga; 952 adder = (struct adder *) qdmap[unit].adder; 953 dga->csr &= ~DMA_IE; 954 dga->csr &= ~0x0600; /* kill DMA */ 955 adder->command = CANCEL; 956 /* 957 * if DMA was running, flush spurious intrpt 958 */ 959 if (dga->bytcnt_lo != 0) { 960 dga->bytcnt_lo = 0; 961 dga->bytcnt_hi = 0; 962 DMA_SETIGNORE(DMAheader[unit]); 963 dga->csr |= DMA_IE; 964 dga->csr &= ~DMA_IE; 965 } 966 ptep = (int *) 967 ((VTOP(DMAheader[unit]*4)) + (mfpr(PR_SBR)|0x80000000)); 968 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 969 *ptep = (*ptep & ~PG_PROT) | PG_V | PG_KW; 970 ubarelse(uh, &Qbus_unmap[unit]); 971 #endif 972 } 973 974 /* 975 * re-protect 1K (2 pages) event queue 976 */ 977 if (qdflags[unit].mapped & MAPEQ) { 978 ptep = (int *) 979 ((VTOP(eq_header[unit])*4) + (mfpr(PR_SBR)|0x80000000)); 980 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 981 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 982 } 983 /* 984 * re-protect scroll param area and disable scroll intrpts 985 */ 986 if (qdflags[unit].mapped & MAPSCR) { 987 ptep = (int *) ((VTOP(scroll[unit]) * 4) 988 + (mfpr(PR_SBR) | 0x80000000)); 989 /* 990 * re-protect 512 scroll param area 991 */ 992 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 993 adder = (struct adder *) qdmap[unit].adder; 994 qdflags[unit].adder_ie &= ~FRAME_SYNC; 995 adder->interrupt_enable = qdflags[unit].adder_ie; 996 } 997 /* 998 * re-protect color map write buffer area and kill intrpts 999 */ 1000 if (qdflags[unit].mapped & MAPCOLOR) { 1001 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1002 + (mfpr(PR_SBR) | 0x80000000)); 1003 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1004 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1005 color_buf[unit]->status = 0; 1006 adder = (struct adder *) qdmap[unit].adder; 1007 qdflags[unit].adder_ie &= ~VSYNC; 1008 adder->interrupt_enable = qdflags[unit].adder_ie; 1009 } 1010 mtpr(0, PR_TBIA); 1011 /* flag everything now unmapped */ 1012 qdflags[unit].mapped = 0; 1013 qdflags[unit].inuse &= ~GRAPHIC_DEV; 1014 qdflags[unit].curs_acc = ACC_OFF; 1015 qdflags[unit].curs_thr = 128; 1016 /* 1017 * restore the console 1018 */ 1019 dga = (struct dga *) qdmap[unit].dga; 1020 adder = (struct adder *) qdmap[unit].adder; 1021 dga->csr &= ~DMA_IE; 1022 dga->csr &= ~0x0600; /* halt the DMA! (just in case...) */ 1023 dga->csr |= DMA_ERR; /* clear error condition */ 1024 adder->command = CANCEL; 1025 /* 1026 * if DMA was running, flush spurious intrpt 1027 */ 1028 if (dga->bytcnt_lo != 0) { 1029 dga->bytcnt_lo = 0; 1030 dga->bytcnt_hi = 0; 1031 DMA_SETIGNORE(DMAheader[unit]); 1032 dga->csr |= DMA_IE; 1033 dga->csr &= ~DMA_IE; 1034 } 1035 init_shared(unit); /* init shared memory */ 1036 setup_dragon(unit); /* init ADDER/VIPER */ 1037 ldcursor(unit, cons_cursor); /* load default cursor map */ 1038 setup_input(unit); /* init the DUART */ 1039 ldfont(unit); 1040 cursor[unit].x = 0; 1041 cursor[unit].y = 0; 1042 /* 1043 * shut off the mouse rcv intrpt and turn on kbd intrpts 1044 */ 1045 duart = (struct duart *) qdmap[unit].duart; 1046 qdflags[unit].duart_imask &= ~(0x20); 1047 qdflags[unit].duart_imask |= 0x02; 1048 duart->imask = qdflags[unit].duart_imask; 1049 /* 1050 * shut off interrupts if all is closed 1051 */ 1052 if (!(qdflags[unit].inuse & CONS_DEV)) { 1053 dga = (struct dga *) qdmap[unit].dga; 1054 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1055 } 1056 } else { 1057 /* 1058 * this is the console 1059 */ 1060 tp = qd_tty[minor_dev]; 1061 (*tp->t_linesw->l_close)(tp, flag); 1062 ttyclose(tp); 1063 tp->t_state = 0; 1064 qdflags[unit].inuse &= ~CONS_DEV; 1065 /* 1066 * if graphics device is closed, kill interrupts 1067 */ 1068 if (!(qdflags[unit].inuse & GRAPHIC_DEV)) { 1069 dga = (struct dga *) qdmap[unit].dga; 1070 dga->csr &= ~(GLOBAL_IE | DMA_IE); 1071 } 1072 } 1073 1074 return(0); 1075 1076 } /* qdclose */ 1077 1078 int 1079 qdioctl(dev, cmd, datap, flags, p) 1080 dev_t dev; 1081 u_long cmd; 1082 void *datap; 1083 int flags; 1084 struct proc *p; 1085 { 1086 volatile int *ptep; /* page table entry pointer */ 1087 int mapix; /* QVmap[] page table index */ 1088 struct _vs_event *event; 1089 struct tty *tp; 1090 int i; 1091 struct qdmap *qd; /* pointer to device map struct */ 1092 volatile struct dga *dga; /* Gate Array reg structure pntr */ 1093 volatile struct duart *duart; /* DUART reg structure pointer */ 1094 volatile struct adder *adder; /* ADDER reg structure pointer */ 1095 struct prgkbd *cmdbuf; 1096 struct prg_cursor *curs; 1097 struct _vs_cursor *pos; 1098 int unit = minor(dev) >> 2; /* number of caller's QDSS */ 1099 u_int minor_dev = minor(dev); 1100 int error; 1101 int s; 1102 short *temp; /* a pointer to template RAM */ 1103 struct uba_softc *uh; 1104 1105 uh = (struct uba_softc *) 1106 device_parent((device_t )(qd_cd.cd_devs[unit])); 1107 1108 /* 1109 * service graphic device ioctl commands 1110 */ 1111 switch (cmd) { 1112 1113 case QD_GETEVENT: 1114 /* 1115 * extract the oldest event from the event queue 1116 */ 1117 if (ISEMPTY(eq_header[unit])) { 1118 event = (struct _vs_event *) datap; 1119 event->vse_device = VSE_NULL; 1120 break; 1121 } 1122 event = (struct _vs_event *) GETBEGIN(eq_header[unit]); 1123 s = spl5(); 1124 GETEND(eq_header[unit]); 1125 splx(s); 1126 bcopy((void *)event, datap, sizeof(struct _vs_event)); 1127 break; 1128 1129 case QD_RESET: 1130 /* 1131 * init the dragon stuff, DUART, and driver variables 1132 */ 1133 init_shared(unit); /* init shared memory */ 1134 setup_dragon(unit); /* init the ADDER/VIPER stuff */ 1135 clear_qd_screen(unit); 1136 ldcursor(unit, cons_cursor); /* load default cursor map */ 1137 ldfont(unit); /* load the console font */ 1138 setup_input(unit); /* init the DUART */ 1139 break; 1140 1141 case QD_SET: 1142 /* 1143 * init the DUART and driver variables 1144 */ 1145 init_shared(unit); 1146 setup_input(unit); 1147 break; 1148 1149 case QD_CLRSCRN: 1150 /* 1151 * clear the QDSS screen. (NOTE that this reinits the dragon) 1152 */ 1153 #ifdef notdef /* has caused problems and isn't necessary */ 1154 setup_dragon(unit); 1155 clear_qd_screen(unit); 1156 #endif 1157 break; 1158 1159 case QD_WTCURSOR: 1160 /* 1161 * load a cursor into template RAM 1162 */ 1163 ldcursor(unit, (short *)datap); 1164 break; 1165 1166 case QD_RDCURSOR: 1167 1168 temp = (short *) qdmap[unit].template; 1169 /* 1170 * cursor is 32 WORDS from the end of the 8k WORD... 1171 * ...template space 1172 */ 1173 temp += (8 * 1024) - 32; 1174 for (i = 0; i < 32; ++i, datap += sizeof(short)) 1175 *(short *)datap = *temp++; 1176 break; 1177 1178 case QD_POSCURSOR: 1179 /* 1180 * position the mouse cursor 1181 */ 1182 dga = (struct dga *) qdmap[unit].dga; 1183 pos = (struct _vs_cursor *) datap; 1184 s = spl5(); 1185 dga->x_cursor = TRANX(pos->x); 1186 dga->y_cursor = TRANY(pos->y); 1187 eq_header[unit]->curs_pos.x = pos->x; 1188 eq_header[unit]->curs_pos.y = pos->y; 1189 splx(s); 1190 break; 1191 1192 case QD_PRGCURSOR: 1193 /* 1194 * set the cursor acceleration factor 1195 */ 1196 curs = (struct prg_cursor *) datap; 1197 s = spl5(); 1198 qdflags[unit].curs_acc = curs->acc_factor; 1199 qdflags[unit].curs_thr = curs->threshold; 1200 splx(s); 1201 break; 1202 1203 case QD_MAPDEVICE: 1204 /* 1205 * enable 'user write' to device pages 1206 */ 1207 qdflags[unit].mapped |= MAPDEV; 1208 qd = (struct qdmap *) &qdmap[unit]; 1209 /* 1210 * enable user write to template RAM 1211 */ 1212 mapix = VTOP((int)qd->template) - VTOP(qvmem[0]); 1213 ptep = (int *)(QVmap[0] + mapix); 1214 for (i = 0; i < vax_btop(TMPSIZE); i++, ptep++) 1215 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1216 1217 /* 1218 * enable user write to registers 1219 */ 1220 mapix = VTOP((int)qd->adder) - VTOP(qvmem[0]); 1221 ptep = (int *)(QVmap[0] + mapix); 1222 for (i = 0; i < vax_btop(REGSIZE); i++, ptep++) 1223 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1224 1225 /* 1226 * enable user write to color maps 1227 */ 1228 mapix = VTOP((int)qd->red) - VTOP(qvmem[0]); 1229 ptep = (int *)(QVmap[0] + mapix); 1230 for (i = 0; i < vax_btop(CLRSIZE); i++, ptep++) 1231 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1232 1233 /* 1234 * enable user write to DUART 1235 */ 1236 mapix = VTOP((int)qd->duart) - VTOP(qvmem[0]); 1237 ptep = (int *)(QVmap[0] + mapix); 1238 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; /* duart page */ 1239 1240 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1241 1242 /* 1243 * stuff qdmap structure in return buffer 1244 */ 1245 bcopy((void *)qd, datap, sizeof(struct qdmap)); 1246 1247 break; 1248 1249 #ifdef notyet 1250 /* 1251 * Ragge 999620: 1252 * Can't map in the graphic buffer into user space for now. 1253 * The best way to fix this is to convert this driver to wscons. 1254 */ 1255 case QD_MAPIOBUF: 1256 /* 1257 * do setup for DMA by user process 1258 * 1259 * set 'user write enable' bits for DMA buffer 1260 */ 1261 qdflags[unit].mapped |= MAPDMA; 1262 ptep = (int *) ((VTOP(DMAheader[unit]) * 4) 1263 + (mfpr(PR_SBR) | 0x80000000)); 1264 for (i = 0; i < vax_btop(DMAbuf_size); i++, ptep++) 1265 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1266 mtpr(0, PR_TBIA); /* invalidate translation buffer */ 1267 /* 1268 * set up QBUS map registers for DMA 1269 */ 1270 DMAheader[unit]->QBAreg = 1271 uballoc(uh, (void *)DMAheader[unit], DMAbuf_size, 0); 1272 if (DMAheader[unit]->QBAreg == 0) 1273 printf("qd%d: qdioctl: QBA setup error\n", unit); 1274 Qbus_unmap[unit] = DMAheader[unit]->QBAreg; 1275 DMAheader[unit]->QBAreg &= 0x3FFFF; 1276 /* 1277 * return I/O buf adr 1278 */ 1279 *(int *)datap = (int) DMAheader[unit]; 1280 break; 1281 #endif 1282 1283 case QD_MAPSCROLL: 1284 /* 1285 * map the shared scroll param area and enable scroll interpts 1286 */ 1287 qdflags[unit].mapped |= MAPSCR; 1288 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1289 + (mfpr(PR_SBR) | 0x80000000)); 1290 /* 1291 * allow user write to scroll area 1292 */ 1293 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1294 mtpr(0, PR_TBIA); /* invalidate translation buf */ 1295 scroll[unit]->status = 0; 1296 adder = (struct adder *) qdmap[unit].adder; 1297 qdflags[unit].adder_ie |= FRAME_SYNC; 1298 adder->interrupt_enable = qdflags[unit].adder_ie; 1299 *(int *)datap = (int) scroll[unit]; /* return scroll area */ 1300 break; 1301 1302 case QD_UNMAPSCROLL: 1303 /* 1304 * unmap shared scroll param area and disable scroll intrpts 1305 */ 1306 if (qdflags[unit].mapped & MAPSCR) { 1307 qdflags[unit].mapped &= ~MAPSCR; 1308 ptep = (int *) ((VTOP(scroll[unit]) * 4) 1309 + (mfpr(PR_SBR) | 0x80000000)); 1310 /* 1311 * re-protect 512 scroll param area 1312 */ 1313 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1314 mtpr(0, PR_TBIA); /* smash CPU's translation buf */ 1315 adder = (struct adder *) qdmap[unit].adder; 1316 qdflags[unit].adder_ie &= ~FRAME_SYNC; 1317 adder->interrupt_enable = qdflags[unit].adder_ie; 1318 } 1319 break; 1320 1321 case QD_MAPCOLOR: 1322 /* 1323 * map shared color map write buf and turn on vsync intrpt 1324 */ 1325 qdflags[unit].mapped |= MAPCOLOR; 1326 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1327 + (mfpr(PR_SBR) | 0x80000000)); 1328 /* 1329 * allow user write to color map write buffer 1330 */ 1331 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1332 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1333 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1334 adder = (struct adder *) qdmap[unit].adder; 1335 qdflags[unit].adder_ie |= VSYNC; 1336 adder->interrupt_enable = qdflags[unit].adder_ie; 1337 /* 1338 * return color area address 1339 */ 1340 *(int *)datap = (int) color_buf[unit]; 1341 break; 1342 1343 case QD_UNMAPCOLOR: 1344 /* 1345 * unmap shared color map write buffer and kill VSYNC intrpts 1346 */ 1347 if (qdflags[unit].mapped & MAPCOLOR) { 1348 qdflags[unit].mapped &= ~MAPCOLOR; 1349 ptep = (int *) ((VTOP(color_buf[unit]) * 4) 1350 + (mfpr(PR_SBR) | 0x80000000)); 1351 /* 1352 * re-protect color map write buffer 1353 */ 1354 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; ptep++; 1355 *ptep = (*ptep & ~PG_PROT) | PG_KW | PG_V; 1356 mtpr(0, PR_TBIA); 1357 adder = (struct adder *) qdmap[unit].adder; 1358 qdflags[unit].adder_ie &= ~VSYNC; 1359 adder->interrupt_enable = qdflags[unit].adder_ie; 1360 } 1361 break; 1362 1363 case QD_MAPEVENT: 1364 /* 1365 * give user write access to the event queue 1366 */ 1367 qdflags[unit].mapped |= MAPEQ; 1368 ptep = (int *) ((VTOP(eq_header[unit]) * 4) 1369 + (mfpr(PR_SBR) | 0x80000000)); 1370 /* 1371 * allow user write to 1K event queue 1372 */ 1373 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; ptep++; 1374 *ptep = (*ptep & ~PG_PROT) | PG_RW | PG_V; 1375 mtpr(0, PR_TBIA); /* clr CPU translation buf */ 1376 /* 1377 * return event queue address 1378 */ 1379 *(int *)datap = (int)eq_header[unit]; 1380 break; 1381 1382 case QD_PRGKBD: 1383 /* 1384 * pass caller's programming commands to LK201 1385 */ 1386 duart = (struct duart *)qdmap[unit].duart; 1387 cmdbuf = (struct prgkbd *)datap; /* pnt to kbd cmd buf */ 1388 /* 1389 * send command 1390 */ 1391 for (i = 1000; i > 0; --i) { 1392 if (duart->statusA&XMT_RDY) { 1393 duart->dataA = cmdbuf->cmd; 1394 break; 1395 } 1396 } 1397 if (i == 0) { 1398 printf("qd%d: qdioctl: timeout on XMT_RDY [1]\n", unit); 1399 break; 1400 } 1401 /* 1402 * send param1? 1403 */ 1404 if (cmdbuf->cmd & LAST_PARAM) 1405 break; 1406 for (i = 1000; i > 0; --i) { 1407 if (duart->statusA&XMT_RDY) { 1408 duart->dataA = cmdbuf->param1; 1409 break; 1410 } 1411 } 1412 if (i == 0) { 1413 printf("qd%d: qdioctl: timeout on XMT_RDY [2]\n", unit); 1414 break; 1415 } 1416 /* 1417 * send param2? 1418 */ 1419 if (cmdbuf->param1 & LAST_PARAM) 1420 break; 1421 for (i = 1000; i > 0; --i) { 1422 if (duart->statusA&XMT_RDY) { 1423 duart->dataA = cmdbuf->param2; 1424 break; 1425 } 1426 } 1427 if (i == 0) { 1428 printf("qd%d: qdioctl: timeout on XMT_RDY [3]\n", unit); 1429 break; 1430 } 1431 break; 1432 1433 case QD_PRGMOUSE: 1434 /* 1435 * pass caller's programming commands to the mouse 1436 */ 1437 duart = (struct duart *) qdmap[unit].duart; 1438 for (i = 1000; i > 0; --i) { 1439 if (duart->statusB&XMT_RDY) { 1440 duart->dataB = *datap; 1441 break; 1442 } 1443 } 1444 if (i == 0) { 1445 printf("qd%d: qdioctl: timeout on XMT_RDY [4]\n", unit); 1446 } 1447 break; 1448 1449 case QD_RDCONFIG: 1450 /* 1451 * get QDSS configuration word and return it 1452 */ 1453 *(short *)datap = qdflags[unit].config; 1454 break; 1455 1456 case QD_KERN_LOOP: 1457 case QD_KERN_UNLOOP: 1458 /* 1459 * vestige from ultrix. BSD uses TIOCCONS to redirect 1460 * kernel console output. 1461 */ 1462 break; 1463 1464 case QD_PRGTABLET: 1465 /* 1466 * program the tablet 1467 */ 1468 duart = (struct duart *) qdmap[unit].duart; 1469 for (i = 1000; i > 0; --i) { 1470 if (duart->statusB&XMT_RDY) { 1471 duart->dataB = *datap; 1472 break; 1473 } 1474 } 1475 if (i == 0) { 1476 printf("qd%d: qdioctl: timeout on XMT_RDY [5]\n", unit); 1477 } 1478 break; 1479 1480 case QD_PRGTABRES: 1481 /* 1482 * program the tablet report resolution factor 1483 */ 1484 qdflags[unit].tab_res = *(short *)datap; 1485 break; 1486 1487 default: 1488 /* 1489 * service tty ioctl's 1490 */ 1491 if (!(minor_dev & 0x02)) { 1492 tp = qd_tty[minor_dev]; 1493 error = 1494 1495 (*tp->t_linesw->l_ioctl)(tp, cmd, datap, flags, p); 1496 if (error != EPASSTHROUGH) { 1497 return(error); 1498 } 1499 return ttioctl(tp, cmd, datap, flags, p); 1500 } 1501 break; 1502 } 1503 1504 return(0); 1505 1506 } /* qdioctl */ 1507 1508 1509 int 1510 qdpoll(dev, events, p) 1511 dev_t dev; 1512 int events; 1513 struct proc *p; 1514 { 1515 int s; 1516 int unit; 1517 struct tty *tp; 1518 u_int minor_dev = minor(dev); 1519 int revents = 0; 1520 1521 s = spl5(); 1522 unit = minor_dev >> 2; 1523 1524 if ((minor_dev & 0x03) == 2) { 1525 /* 1526 * This is a graphics device, so check for events. 1527 */ 1528 1529 if (events & (POLLIN | POLLRDNORM)) 1530 if(!(ISEMPTY(eq_header[unit]))) 1531 revents |= events & (POLLIN | POLLRDNORM); 1532 1533 if (events & (POLLOUT | POLLWRNORM)) 1534 if (DMA_ISEMPTY(DMAheader[unit])) 1535 revents |= events & (POLLOUT | POLLWRNORM); 1536 1537 if (revents == 0) { 1538 if (events & (POLLIN | POLLRDNORM)) 1539 selrecord(p, &qdrsel[unit]); 1540 1541 if (events & (POLLOUT | POLLWRNORM)) 1542 selrecord(p, &qdrsel[unit]); 1543 } 1544 } else { 1545 /* 1546 * this is a tty device 1547 */ 1548 tp = qd_tty[minor_dev]; 1549 revents = (*tp->t_linesw->l_poll)(tp, events, p); 1550 } 1551 1552 splx(s); 1553 return (revents); 1554 } /* qdpoll() */ 1555 1556 static void 1557 filt_qdrdetach(struct knote *kn) 1558 { 1559 dev_t dev = (intptr_t) kn->kn_hook; 1560 u_int minor_dev = minor(dev); 1561 int unit = minor_dev >> 2; 1562 int s; 1563 1564 s = spl5(); 1565 SLIST_REMOVE(&qdrsel[unit].sel_klist, kn, knote, kn_selnext); 1566 splx(s); 1567 } 1568 1569 static int 1570 filt_qdread(struct knote *kn, long hint) 1571 { 1572 dev_t dev = (intptr_t) kn->kn_hook; 1573 u_int minor_dev = minor(dev); 1574 int unit = minor_dev >> 2; 1575 1576 if (ISEMPTY(eq_header[unit])) 1577 return (0); 1578 1579 kn->kn_data = 0; /* XXXLUKEM (thorpej): what to put here? */ 1580 return (1); 1581 } 1582 1583 static int 1584 filt_qdwrite(struct knote *kn, long hint) 1585 { 1586 dev_t dev = (intptr_t) kn->kn_hook; 1587 u_int minor_dev = minor(dev); 1588 int unit = minor_dev >> 2; 1589 1590 if (! DMA_ISEMPTY(DMAheader[unit])) 1591 return (0); 1592 1593 kn->kn_data = 0; /* XXXLUKEM (thorpej): what to put here? */ 1594 return (1); 1595 } 1596 1597 static const struct filterops qdread_filtops = 1598 { 1, NULL, filt_qdrdetach, filt_qdread }; 1599 1600 static const struct filterops qdwrite_filtops = 1601 { 1, NULL, filt_qdrdetach, filt_qdwrite }; 1602 1603 int 1604 qdkqfilter(dev_t dev, struct knote *kn) 1605 { 1606 struct klist *klist; 1607 u_int minor_dev = minor(dev); 1608 int s, unit = minor_dev >> 2; 1609 1610 if ((minor_dev & 0x03) != 2) { 1611 /* TTY device. */ 1612 return (ttykqfilter(dev, kn)); 1613 } 1614 1615 switch (kn->kn_filter) { 1616 case EVFILT_READ: 1617 klist = &qdrsel[unit].sel_klist; 1618 kn->kn_fop = &qdread_filtops; 1619 break; 1620 1621 case EVFILT_WRITE: 1622 klist = &qdrsel[unit].sel_klist; 1623 kn->kn_fop = &qdwrite_filtops; 1624 break; 1625 1626 default: 1627 return (EINVAL); 1628 } 1629 1630 kn->kn_hook = (void *)(intptr_t) dev; 1631 1632 s = spl5(); 1633 SLIST_INSERT_HEAD(klist, kn, kn_selnext); 1634 splx(s); 1635 1636 return (0); 1637 } 1638 1639 void qd_strategy(struct buf *bp); 1640 1641 /*ARGSUSED*/ 1642 int 1643 qdwrite(dev, uio, flag) 1644 dev_t dev; 1645 struct uio *uio; 1646 int flag; 1647 { 1648 struct tty *tp; 1649 int minor_dev; 1650 int unit; 1651 1652 minor_dev = minor(dev); 1653 unit = (minor_dev >> 2) & 0x07; 1654 1655 if (((minor_dev&0x03) != 0x02) && (qdflags[unit].inuse&CONS_DEV)) { 1656 /* 1657 * this is the console... 1658 */ 1659 tp = qd_tty[minor_dev]; 1660 return ((*tp->t_linesw->l_write)(tp, uio, flag)); 1661 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1662 /* 1663 * this is a DMA xfer from user space 1664 */ 1665 return (physio(qd_strategy, &qdbuf[unit], 1666 dev, B_WRITE, minphys, uio)); 1667 } 1668 return (ENXIO); 1669 } 1670 1671 /*ARGSUSED*/ 1672 int 1673 qdread(dev, uio, flag) 1674 dev_t dev; 1675 struct uio *uio; 1676 int flag; 1677 { 1678 struct tty *tp; 1679 int minor_dev; 1680 int unit; 1681 1682 minor_dev = minor(dev); 1683 unit = (minor_dev >> 2) & 0x07; 1684 1685 if ((minor_dev & 0x03) != 0x02 && qdflags[unit].inuse & CONS_DEV) { 1686 /* 1687 * this is the console 1688 */ 1689 tp = qd_tty[minor_dev]; 1690 return ((*tp->t_linesw->l_read)(tp, uio, flag)); 1691 } else if (qdflags[unit].inuse & GRAPHIC_DEV) { 1692 /* 1693 * this is a bitmap-to-processor xfer 1694 */ 1695 return (physio(qd_strategy, &qdbuf[unit], 1696 dev, B_READ, minphys, uio)); 1697 } 1698 return (ENXIO); 1699 } 1700 1701 /*************************************************************** 1702 * 1703 * qd_strategy()... strategy routine to do DMA 1704 * 1705 ***************************************************************/ 1706 1707 void 1708 qd_strategy(bp) 1709 struct buf *bp; 1710 { 1711 volatile struct dga *dga; 1712 volatile struct adder *adder; 1713 int unit; 1714 int QBAreg; 1715 int s; 1716 int cookie; 1717 struct uba_softc *uh; 1718 1719 unit = (minor(bp->b_dev) >> 2) & 0x07; 1720 1721 uh = (struct uba_softc *) 1722 device_parent((device_t )(qd_cd.cd_devs[unit])); 1723 1724 /* 1725 * init pointers 1726 */ 1727 dga = (struct dga *) qdmap[unit].dga; 1728 panic("qd_strategy"); 1729 #ifdef notyet 1730 if ((QBAreg = ubasetup(uh, bp, 0)) == 0) { 1731 printf("qd%d: qd_strategy: QBA setup error\n", unit); 1732 goto STRAT_ERR; 1733 } 1734 #endif 1735 s = spl5(); 1736 qdflags[unit].user_dma = -1; 1737 dga->csr |= DMA_IE; 1738 cookie = QBAreg & 0x3FFFF; 1739 dga->adrs_lo = (short) cookie; 1740 dga->adrs_hi = (short) (cookie >> 16); 1741 dga->bytcnt_lo = (short) bp->b_bcount; 1742 dga->bytcnt_hi = (short) (bp->b_bcount >> 16); 1743 1744 while (qdflags[unit].user_dma) { 1745 (void) tsleep(&qdflags[unit].user_dma, QSPRIOR, 1746 "qdstrat", 0); 1747 } 1748 splx(s); 1749 #ifdef notyet 1750 ubarelse(uh, &QBAreg); 1751 #endif 1752 if (!(dga->csr & DMA_ERR)) { 1753 biodone(bp); 1754 return; 1755 } 1756 1757 /* STRAT_ERR: */ 1758 adder = (struct adder *) qdmap[unit].adder; 1759 adder->command = CANCEL; /* cancel adder activity */ 1760 dga->csr &= ~DMA_IE; 1761 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 1762 dga->csr |= DMA_ERR; /* clear error condition */ 1763 bp->b_error = EIO; /* flag an error to physio() */ 1764 1765 /* 1766 * if DMA was running, flush spurious intrpt 1767 */ 1768 if (dga->bytcnt_lo != 0) { 1769 dga->bytcnt_lo = 0; 1770 dga->bytcnt_hi = 0; 1771 DMA_SETIGNORE(DMAheader[unit]); 1772 dga->csr |= DMA_IE; 1773 } 1774 biodone(bp); 1775 } /* qd_strategy */ 1776 1777 1778 /* 1779 * Start output to the console screen 1780 */ 1781 void qdstart(tp) 1782 struct tty *tp; 1783 { 1784 int which_unit, unit, c; 1785 int s; 1786 1787 unit = minor(tp->t_dev); 1788 which_unit = (unit >> 2) & 0x3; 1789 unit &= 0x03; 1790 1791 s = spl5(); 1792 1793 /* 1794 * If it's currently active, or delaying, no need to do anything. 1795 */ 1796 if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) 1797 goto out; 1798 1799 /* 1800 * Display chars until the queue is empty. 1801 * Drop input from anything but the console 1802 * device on the floor. 1803 * 1804 * XXX - this loop is done at spltty. 1805 * 1806 */ 1807 while (tp->t_outq.c_cc) { 1808 c = getc(&tp->t_outq); 1809 if (unit == 0) 1810 blitc(which_unit, (u_char)c); 1811 } 1812 ttypull(tp); 1813 tp->t_state &= ~TS_BUSY; 1814 1815 out: 1816 splx(s); 1817 1818 } /* qdstart */ 1819 1820 /*ARGSUSED*/ 1821 void 1822 qdstop(tp, flag) 1823 struct tty *tp; 1824 int flag; 1825 { 1826 int s; 1827 1828 s = spl5(); /* block intrpts during state modification */ 1829 if (tp->t_state & TS_BUSY) { 1830 if ((tp->t_state & TS_TTSTOP) == 0) 1831 tp->t_state |= TS_FLUSH; 1832 else 1833 tp->t_state &= ~TS_BUSY; 1834 } 1835 splx(s); 1836 } 1837 1838 /* 1839 * Output a character to the QDSS screen 1840 */ 1841 void 1842 blitc(unit, chr) 1843 int unit; 1844 u_char chr; 1845 { 1846 volatile struct adder *adder; 1847 volatile struct dga *dga; 1848 int i; 1849 int nograph = !(qdflags[unit].inuse&GRAPHIC_DEV); 1850 static short inescape[NQD]; 1851 1852 adder = (struct adder *)qdmap[unit].adder; 1853 dga = (struct dga *) qdmap[unit].dga; 1854 /* 1855 * BSD comment: this (&=0177) defeats the extended character 1856 * set code for the glass tty, but if i had the time i would 1857 * spend it ripping out the code completely. This driver 1858 * is too big for its own good. 1859 */ 1860 chr &= 0177; 1861 /* 1862 * Cursor addressing (so vi will work). 1863 * Decode for "\E=%.%." cursor motion description. 1864 * Corresponds to type "qdcons" in /etc/termcap: 1865 * 1866 * qd|qdss|qdcons|qdss glass tty (4.4 BSD):\ 1867 * :am:do=^J:le=^H:bs:cm=\E=%.%.:cl=1^Z:co#128:li#57::nd=^L:up=^K: 1868 * 1869 */ 1870 if (inescape[unit] && nograph) { 1871 switch (inescape[unit]++) { 1872 case 1: 1873 if (chr != '=') { 1874 /* abort escape sequence */ 1875 inescape[unit] = 0; 1876 blitc(unit, chr); 1877 } 1878 return; 1879 case 2: 1880 /* position row */ 1881 cursor[unit].y = CHAR_HEIGHT * chr; 1882 if (cursor[unit].y > 863 - CHAR_HEIGHT) 1883 cursor[unit].y = 863 - CHAR_HEIGHT; 1884 dga->y_cursor = TRANY(cursor[unit].y); 1885 return; 1886 case 3: 1887 /* position column */ 1888 cursor[unit].x = CHAR_WIDTH * chr; 1889 if (cursor[unit].x > 1024 - CHAR_WIDTH) 1890 cursor[unit].x = 1023 - CHAR_WIDTH; 1891 dga->x_cursor = TRANX(cursor[unit].x); 1892 inescape[unit] = 0; 1893 return; 1894 default: 1895 inescape[unit] = 0; 1896 blitc(unit, chr); 1897 } 1898 } 1899 1900 switch (chr) { 1901 case '\r': /* return char */ 1902 cursor[unit].x = 0; 1903 if (nograph) 1904 dga->x_cursor = TRANX(cursor[unit].x); 1905 return; 1906 1907 case '\t': /* tab char */ 1908 for (i = 8 - ((cursor[unit].x >> 3) & 0x07); i > 0; --i) { 1909 blitc(unit, ' '); 1910 } 1911 return; 1912 1913 case '\n': /* line feed char */ 1914 if ((cursor[unit].y += CHAR_HEIGHT) > (863 - CHAR_HEIGHT)) { 1915 if (nograph) { 1916 cursor[unit].y -= CHAR_HEIGHT; 1917 scroll_up(adder); 1918 } else 1919 cursor[unit].y = 0; 1920 } 1921 if (nograph) 1922 dga->y_cursor = TRANY(cursor[unit].y); 1923 return; 1924 1925 case '\b': /* backspace char */ 1926 if (cursor[unit].x > 0) { 1927 cursor[unit].x -= CHAR_WIDTH; 1928 if (nograph) 1929 dga->x_cursor = TRANX(cursor[unit].x); 1930 } 1931 return; 1932 case CTRL('k'): /* cursor up */ 1933 if (nograph && cursor[unit].y > 0) { 1934 cursor[unit].y -= CHAR_HEIGHT; 1935 dga->y_cursor = TRANY(cursor[unit].y); 1936 } 1937 return; 1938 1939 case CTRL('^'): /* home cursor */ 1940 if (nograph) { 1941 cursor[unit].x = 0; 1942 dga->x_cursor = TRANX(cursor[unit].x); 1943 cursor[unit].y = 0; 1944 dga->y_cursor = TRANY(cursor[unit].y); 1945 } 1946 return; 1947 1948 case CTRL('l'): /* cursor right */ 1949 if (nograph && cursor[unit].x < 1023 - CHAR_WIDTH) { 1950 cursor[unit].x += CHAR_WIDTH; 1951 dga->x_cursor = TRANX(cursor[unit].x); 1952 } 1953 return; 1954 1955 case CTRL('z'): /* clear screen */ 1956 if (nograph) { 1957 setup_dragon(unit); 1958 clear_qd_screen(unit); 1959 /* home cursor - termcap seems to assume this */ 1960 cursor[unit].x = 0; 1961 dga->x_cursor = TRANX(cursor[unit].x); 1962 cursor[unit].y = 0; 1963 dga->y_cursor = TRANY(cursor[unit].y); 1964 } 1965 return; 1966 1967 case '\033': /* start escape sequence */ 1968 if (nograph) 1969 inescape[unit] = 1; 1970 return; 1971 1972 default: 1973 if ((chr < ' ') || (chr > '~')) 1974 return; 1975 } 1976 /* 1977 * setup VIPER operand control registers 1978 */ 1979 write_ID(adder, CS_UPDATE_MASK, 0x0001); /* select plane #0 */ 1980 write_ID(adder, SRC1_OCR_B, 1981 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 1982 write_ID(adder, CS_UPDATE_MASK, 0x00FE); /* select other planes */ 1983 write_ID(adder, SRC1_OCR_B, 1984 EXT_SOURCE | INT_NONE | NO_ID | BAR_SHIFT_DELAY); 1985 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 1986 write_ID(adder, DST_OCR_B, 1987 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 1988 write_ID(adder, MASK_1, 0xFFFF); 1989 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 1); 1990 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 1991 adder->x_clip_min = 0; 1992 adder->x_clip_max = 1024; 1993 adder->y_clip_min = 0; 1994 adder->y_clip_max = 864; 1995 /* 1996 * load DESTINATION origin and vectors 1997 */ 1998 adder->fast_dest_dy = 0; 1999 adder->slow_dest_dx = 0; 2000 adder->error_1 = 0; 2001 adder->error_2 = 0; 2002 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 2003 (void)wait_status(adder, RASTEROP_COMPLETE); 2004 adder->destination_x = cursor[unit].x; 2005 adder->fast_dest_dx = CHAR_WIDTH; 2006 adder->destination_y = cursor[unit].y; 2007 adder->slow_dest_dy = CHAR_HEIGHT; 2008 /* 2009 * load SOURCE origin and vectors 2010 */ 2011 if ((chr - ' ') > (CHARS - 1)) { 2012 printf("Invalid character (x)%x in blitc\n",chr); 2013 chr = ' '; 2014 } 2015 /* 2016 * X position is modulo the number of characters per line 2017 */ 2018 adder->source_1_x = FONT_X + 2019 (((chr - ' ') % (MAX_SCREEN_X/CHAR_WIDTH)) * CHAR_WIDTH); 2020 /* 2021 * Point to either first or second row 2022 */ 2023 adder->source_1_y = 2048 - 15 * 2024 (((chr - ' ')/(MAX_SCREEN_X/CHAR_WIDTH)) + 1); 2025 adder->source_1_dx = CHAR_WIDTH; 2026 adder->source_1_dy = CHAR_HEIGHT; 2027 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 2028 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 2029 /* 2030 * update console cursor coordinates 2031 */ 2032 cursor[unit].x += CHAR_WIDTH; 2033 if (nograph) 2034 dga->x_cursor = TRANX(cursor[unit].x); 2035 if (cursor[unit].x > (1024 - CHAR_WIDTH)) { 2036 blitc(unit, '\r'); 2037 blitc(unit, '\n'); 2038 } 2039 2040 } /* blitc */ 2041 2042 /* 2043 * INTERRUPT SERVICE ROUTINES 2044 */ 2045 2046 /* 2047 * Service "DMA DONE" interrupt condition 2048 */ 2049 2050 static void 2051 qddint(arg) 2052 void *arg; 2053 { 2054 device_t dv = arg; 2055 struct DMAreq_header *header; 2056 struct DMAreq *request; 2057 volatile struct dga *dga; 2058 volatile struct adder *adder; 2059 int cookie; /* DMA adrs for QDSS */ 2060 int unit = device_unit(dv); 2061 2062 (void)spl4(); /* allow interval timer in */ 2063 2064 /* 2065 * init pointers 2066 */ 2067 header = DMAheader[unit]; /* register for optimization */ 2068 dga = (struct dga *) qdmap[unit].dga; 2069 adder = (struct adder *) qdmap[unit].adder; 2070 2071 /* 2072 * if this interrupt flagged as bogus for interrupt flushing purposes.. 2073 */ 2074 if (DMA_ISIGNORE(header)) { 2075 DMA_CLRIGNORE(header); 2076 return; 2077 } 2078 2079 /* 2080 * dump a DMA hardware error message if appropriate 2081 */ 2082 if (dga->csr & DMA_ERR) { 2083 2084 if (dga->csr & PARITY_ERR) 2085 printf("qd%d: qddint: DMA hardware parity fault.\n", unit); 2086 2087 if (dga->csr & BUS_ERR) 2088 printf("qd%d: qddint: DMA hardware bus error.\n", unit); 2089 } 2090 2091 /* 2092 * if this was a DMA from user space... 2093 */ 2094 if (qdflags[unit].user_dma) { 2095 qdflags[unit].user_dma = 0; 2096 wakeup((void *)&qdflags[unit].user_dma); 2097 return; 2098 } 2099 2100 /* 2101 * if we're doing DMA request queue services, field the error condition 2102 */ 2103 if (dga->csr & DMA_ERR) { 2104 2105 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2106 dga->csr |= DMA_ERR; /* clear error condition */ 2107 adder->command = CANCEL; /* cancel adder activity */ 2108 2109 DMA_SETERROR(header); /* flag error in header status word */ 2110 DMA_CLRACTIVE(header); 2111 header->DMAreq[header->oldest].DMAdone |= HARD_ERROR; 2112 header->newest = header->oldest; 2113 header->used = 0; 2114 2115 selnotify(&qdrsel[unit], 0, 0); 2116 2117 if (dga->bytcnt_lo != 0) { 2118 dga->bytcnt_lo = 0; 2119 dga->bytcnt_hi = 0; 2120 DMA_SETIGNORE(header); 2121 } 2122 return; 2123 } 2124 2125 /* 2126 * if the DMA request queue is now becoming non-full, 2127 * wakeup "select" client. 2128 */ 2129 if (DMA_ISFULL(header)) { 2130 selnotify(&qdrsel[unit], 0, 0); 2131 } 2132 2133 header->DMAreq[header->oldest].DMAdone |= REQUEST_DONE; 2134 QDlast_DMAtype = header->DMAreq[header->oldest].DMAtype; 2135 2136 /* check for unexpected interrupt */ 2137 if (DMA_ISEMPTY(header)) 2138 return; 2139 2140 DMA_GETEND(header); /* update request queue indices */ 2141 2142 /* 2143 * if no more DMA pending, wake up "select" client and exit 2144 */ 2145 if (DMA_ISEMPTY(header)) { 2146 selnotify(&qdrsel[unit], 0, 0); 2147 DMA_CLRACTIVE(header); /* flag DMA done */ 2148 return; 2149 } 2150 2151 /* 2152 * initiate next DMA xfer 2153 */ 2154 request = DMA_GETBEGIN(header); 2155 if (request->DMAtype != QDlast_DMAtype) { 2156 dga->csr &= ~0x0600; /* halt DMA (reset fifo) */ 2157 adder->command = CANCEL; /* cancel adder activity */ 2158 } 2159 2160 2161 switch (request->DMAtype) { 2162 2163 case DISPLIST: 2164 if (request->DMAtype != QDlast_DMAtype) { 2165 dga->csr |= DL_ENB; 2166 dga->csr &= ~(BTOP_ENB | BYTE_DMA); 2167 } 2168 break; 2169 2170 case PTOB: 2171 if (request->DMAtype != QDlast_DMAtype) { 2172 if (request->DMAdone & BYTE_PACK) 2173 dga->csr |= (PTOB_ENB | BYTE_DMA); 2174 else { 2175 dga->csr |= PTOB_ENB; 2176 dga->csr &= ~BYTE_DMA; 2177 } 2178 } 2179 break; 2180 2181 case BTOP: 2182 if (request->DMAtype != QDlast_DMAtype) { 2183 if (request->DMAdone & BYTE_PACK) { 2184 dga->csr &= ~DL_ENB; 2185 dga->csr |= (BTOP_ENB | BYTE_DMA); 2186 } 2187 else { 2188 dga->csr |= BTOP_ENB; 2189 dga->csr &= ~(BYTE_DMA | DL_ENB); 2190 } 2191 } 2192 break; 2193 default: 2194 printf("qd%d: qddint: illegal DMAtype parameter.\n", unit); 2195 DMA_CLRACTIVE(header); /* flag DMA done */ 2196 return; 2197 } 2198 2199 if (request->DMAdone & COUNT_ZERO) { 2200 dga->csr &= ~SET_DONE_FIFO; 2201 } 2202 else if (request->DMAdone & FIFO_EMPTY) { 2203 dga->csr |= SET_DONE_FIFO; 2204 } 2205 2206 if (request->DMAdone & WORD_PACK) 2207 dga->csr &= ~BYTE_DMA; 2208 else if (request->DMAdone & BYTE_PACK) 2209 dga->csr |= BYTE_DMA; 2210 2211 dga->csr |= DMA_IE; 2212 QDlast_DMAtype = request->DMAtype; 2213 2214 cookie = ((int)request->bufp - (int)header) + (int)header->QBAreg; 2215 2216 dga->adrs_lo = (short) cookie; 2217 dga->adrs_hi = (short) (cookie >> 16); 2218 2219 dga->bytcnt_lo = (short) request->length; 2220 dga->bytcnt_hi = (short) (request->length >> 16); 2221 2222 return; 2223 } 2224 2225 /* 2226 * ADDER interrupt service routine 2227 */ 2228 static void 2229 qdaint(arg) 2230 void *arg; 2231 { 2232 device_t dv = arg; 2233 volatile struct adder *adder; 2234 struct color_buf *cbuf; 2235 int i; 2236 struct rgb *rgbp; 2237 volatile short *red; 2238 volatile short *green; 2239 volatile short *blue; 2240 int unit = device_unit(dv); 2241 2242 (void)spl4(); /* allow interval timer in */ 2243 2244 adder = (struct adder *) qdmap[unit].adder; 2245 2246 /* 2247 * service the vertical blank interrupt (VSYNC bit) by loading 2248 * any pending color map load request 2249 */ 2250 if (adder->status & VSYNC) { 2251 adder->status &= ~VSYNC; /* clear the interrupt */ 2252 cbuf = color_buf[unit]; 2253 if (cbuf->status & LOAD_COLOR_MAP) { 2254 2255 red = (short *) qdmap[unit].red; 2256 green = (short *) qdmap[unit].green; 2257 blue = (short *) qdmap[unit].blue; 2258 2259 for (i = cbuf->count, rgbp = cbuf->rgb; 2260 --i >= 0; rgbp++) { 2261 red[rgbp->offset] = (short) rgbp->red; 2262 green[rgbp->offset] = (short) rgbp->green; 2263 blue[rgbp->offset] = (short) rgbp->blue; 2264 } 2265 2266 cbuf->status &= ~LOAD_COLOR_MAP; 2267 } 2268 } 2269 2270 /* 2271 * service the scroll interrupt (FRAME_SYNC bit) 2272 */ 2273 if (adder->status & FRAME_SYNC) { 2274 adder->status &= ~FRAME_SYNC; /* clear the interrupt */ 2275 2276 if (scroll[unit]->status & LOAD_REGS) { 2277 2278 for (i = 1000, adder->status = 0; i > 0 && 2279 !(adder->status&ID_SCROLL_READY); --i) 2280 ; 2281 2282 if (i == 0) { 2283 printf("qd%d: qdaint: timeout on ID_SCROLL_READY\n", 2284 qd); 2285 return; 2286 } 2287 2288 adder->ID_scroll_data = scroll[unit]->viper_constant; 2289 adder->ID_scroll_command = ID_LOAD | SCROLL_CONSTANT; 2290 2291 adder->y_scroll_constant = 2292 scroll[unit]->y_scroll_constant; 2293 adder->y_offset_pending = scroll[unit]->y_offset; 2294 2295 if (scroll[unit]->status & LOAD_INDEX) { 2296 2297 adder->x_index_pending = 2298 scroll[unit]->x_index_pending; 2299 adder->y_index_pending = 2300 scroll[unit]->y_index_pending; 2301 } 2302 2303 scroll[unit]->status = 0x00; 2304 } 2305 } 2306 } 2307 2308 /* 2309 * DUART input interrupt service routine 2310 * 2311 * XXX - this routine should be broken out - it is essentially 2312 * straight line code. 2313 */ 2314 2315 static void 2316 qdiint(arg) 2317 void *arg; 2318 { 2319 device_t dv = arg; 2320 struct _vs_event *event; 2321 struct qdinput *eqh; 2322 volatile struct dga *dga; 2323 volatile struct duart *duart; 2324 struct mouse_report *new_rep; 2325 struct tty *tp; 2326 u_short chr; 2327 u_short status; 2328 u_short data; 2329 u_short key; 2330 char do_wakeup = 0; /* flag to do a select wakeup call */ 2331 char a, b, c; /* mouse button test variables */ 2332 int unit = device_unit(dv); 2333 2334 (void)spl4(); /* allow interval timer in */ 2335 2336 eqh = eq_header[unit]; /* optimized as a register */ 2337 new_rep = ¤t_rep[unit]; 2338 duart = (struct duart *) qdmap[unit].duart; 2339 2340 /* 2341 * if the graphic device is turned on.. 2342 */ 2343 if (qdflags[unit].inuse & GRAPHIC_DEV) { 2344 /* 2345 * empty DUART 2346 */ 2347 while (duart->statusA&RCV_RDY || duart->statusB&RCV_RDY) { 2348 /* 2349 * pick up LK-201 input (if any) 2350 */ 2351 if (duart->statusA&RCV_RDY) { 2352 2353 /* if error condition, then reset it */ 2354 2355 if (duart->statusA&0x70) { 2356 duart->cmdA = 0x40; 2357 continue; 2358 } 2359 2360 /* event queue full now? (overflow condition) */ 2361 2362 if (ISFULL(eqh) == TRUE) { 2363 printf( 2364 "qd%d: qdiint: event queue overflow\n", 2365 qd); 2366 break; 2367 } 2368 2369 /* 2370 * Check for various keyboard errors */ 2371 2372 key = duart->dataA & 0xFF; 2373 2374 if (key==LK_POWER_ERROR || 2375 key==LK_KDOWN_ERROR || 2376 key == LK_INPUT_ERROR || 2377 key == LK_OUTPUT_ERROR) { 2378 printf( 2379 "qd%d: qdiint: keyboard error, code = %x\n", 2380 qd,key); 2381 return; 2382 } 2383 2384 if (key < LK_LOWEST) 2385 return; 2386 2387 ++do_wakeup; /* request a select wakeup call */ 2388 2389 event = PUTBEGIN(eqh); 2390 PUTEND(eqh); 2391 2392 event->vse_key = key; 2393 event->vse_key &= 0x00FF; 2394 event->vse_x = eqh->curs_pos.x; 2395 event->vse_y = eqh->curs_pos.y; 2396 event->vse_time = TOY; 2397 event->vse_type = VSE_BUTTON; 2398 event->vse_direction = VSE_KBTRAW; 2399 event->vse_device = VSE_DKB; 2400 } 2401 2402 /* 2403 * pick up the mouse input (if any) */ 2404 2405 if ((status = duart->statusB) & RCV_RDY && 2406 qdflags[unit].pntr_id == MOUSE_ID) { 2407 2408 if (status & 0x70) { 2409 duart->cmdB = 0x40; 2410 continue; 2411 } 2412 2413 /* event queue full now? (overflow condition) */ 2414 2415 if (ISFULL(eqh) == TRUE) { 2416 printf( 2417 "qd%d: qdiint: event queue overflow\n", 2418 qd); 2419 break; 2420 } 2421 2422 data = duart->dataB; /* get report byte */ 2423 ++new_rep->bytcnt; /* bump report byte count */ 2424 2425 /* 2426 * if 1st byte of report.. */ 2427 2428 if ( data & START_FRAME) { 2429 new_rep->state = data; 2430 if (new_rep->bytcnt > 1) { 2431 /* start of new frame */ 2432 new_rep->bytcnt = 1; 2433 /* ..continue looking */ 2434 continue; 2435 } 2436 } 2437 2438 /* 2439 * if 2nd byte of report.. */ 2440 2441 else if (new_rep->bytcnt == 2) { 2442 new_rep->dx = data & 0x00FF; 2443 } 2444 2445 /* 2446 * if 3rd byte of report, load input event queue */ 2447 2448 else if (new_rep->bytcnt == 3) { 2449 2450 new_rep->dy = data & 0x00FF; 2451 new_rep->bytcnt = 0; 2452 2453 /* 2454 * if mouse position has changed.. */ 2455 2456 if (new_rep->dx != 0 || new_rep->dy != 0) { 2457 2458 /* 2459 * calculate acceleration factor, if needed */ 2460 2461 if (qdflags[unit].curs_acc > ACC_OFF) { 2462 2463 if (qdflags[unit].curs_thr <= new_rep->dx) 2464 new_rep->dx += 2465 (new_rep->dx - qdflags[unit].curs_thr) 2466 * qdflags[unit].curs_acc; 2467 2468 if (qdflags[unit].curs_thr <= new_rep->dy) 2469 new_rep->dy += 2470 (new_rep->dy - qdflags[unit].curs_thr) 2471 * qdflags[unit].curs_acc; 2472 } 2473 2474 /* 2475 * update cursor position coordinates */ 2476 2477 if (new_rep->state & X_SIGN) { 2478 eqh->curs_pos.x += new_rep->dx; 2479 if (eqh->curs_pos.x > 1023) 2480 eqh->curs_pos.x = 1023; 2481 } 2482 else { 2483 eqh->curs_pos.x -= new_rep->dx; 2484 if (eqh->curs_pos.x < -15) 2485 eqh->curs_pos.x = -15; 2486 } 2487 2488 if (new_rep->state & Y_SIGN) { 2489 eqh->curs_pos.y -= new_rep->dy; 2490 if (eqh->curs_pos.y < -15) 2491 eqh->curs_pos.y = -15; 2492 } 2493 else { 2494 eqh->curs_pos.y += new_rep->dy; 2495 if (eqh->curs_pos.y > 863) 2496 eqh->curs_pos.y = 863; 2497 } 2498 2499 /* 2500 * update cursor screen position */ 2501 2502 dga = (struct dga *) qdmap[unit].dga; 2503 dga->x_cursor = TRANX(eqh->curs_pos.x); 2504 dga->y_cursor = TRANY(eqh->curs_pos.y); 2505 2506 /* 2507 * if cursor is in the box, no event report */ 2508 2509 if (eqh->curs_pos.x <= eqh->curs_box.right && 2510 eqh->curs_pos.x >= eqh->curs_box.left && 2511 eqh->curs_pos.y >= eqh->curs_box.top && 2512 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2513 goto GET_MBUTTON; 2514 } 2515 2516 /* 2517 * report the mouse motion event */ 2518 2519 event = PUTBEGIN(eqh); 2520 PUTEND(eqh); 2521 2522 ++do_wakeup; /* request a select wakeup call */ 2523 2524 event->vse_x = eqh->curs_pos.x; 2525 event->vse_y = eqh->curs_pos.y; 2526 2527 event->vse_device = VSE_MOUSE; /* mouse */ 2528 event->vse_type = VSE_MMOTION; /* pos changed */ 2529 event->vse_key = 0; 2530 event->vse_direction = 0; 2531 event->vse_time = TOY; /* time stamp */ 2532 } 2533 2534 GET_MBUTTON: 2535 /* 2536 * if button state has changed */ 2537 2538 a = new_rep->state & 0x07; /*mask nonbutton bits */ 2539 b = last_rep[unit].state & 0x07; 2540 2541 if (a ^ b) { 2542 2543 for ( c = 1; c < 8; c <<= 1) { 2544 2545 if (!( c & (a ^ b))) /* this button change? */ 2546 continue; 2547 2548 /* event queue full? (overflow condition) */ 2549 2550 if (ISFULL(eqh) == TRUE) { 2551 printf("qd%d: qdiint: event queue overflow\n", qd); 2552 break; 2553 } 2554 2555 event = PUTBEGIN(eqh); /* get new event */ 2556 PUTEND(eqh); 2557 2558 ++do_wakeup; /* request select wakeup */ 2559 2560 event->vse_x = eqh->curs_pos.x; 2561 event->vse_y = eqh->curs_pos.y; 2562 2563 event->vse_device = VSE_MOUSE; /* mouse */ 2564 event->vse_type = VSE_BUTTON; /* new button */ 2565 event->vse_time = TOY; /* time stamp */ 2566 2567 /* flag changed button and if up or down */ 2568 2569 if (c == RIGHT_BUTTON) 2570 event->vse_key = VSE_RIGHT_BUTTON; 2571 else if (c == MIDDLE_BUTTON) 2572 event->vse_key = VSE_MIDDLE_BUTTON; 2573 else if (c == LEFT_BUTTON) 2574 event->vse_key = VSE_LEFT_BUTTON; 2575 2576 /* set bit = button depressed */ 2577 2578 if (c & a) 2579 event->vse_direction = VSE_KBTDOWN; 2580 else 2581 event->vse_direction = VSE_KBTUP; 2582 } 2583 } 2584 2585 /* refresh last report */ 2586 2587 last_rep[unit] = current_rep[unit]; 2588 2589 } /* get last byte of report */ 2590 } else if ((status = duart->statusB)&RCV_RDY && 2591 qdflags[unit].pntr_id == TABLET_ID) { 2592 /* 2593 * pickup tablet input, if any 2594 */ 2595 if (status&0x70) { 2596 duart->cmdB = 0x40; 2597 continue; 2598 } 2599 /* 2600 * event queue full now? (overflow condition) 2601 */ 2602 if (ISFULL(eqh) == TRUE) { 2603 printf("qd%d: qdiint: event queue overflow\n", qd); 2604 break; 2605 } 2606 2607 data = duart->dataB; /* get report byte */ 2608 ++new_rep->bytcnt; /* bump report byte count */ 2609 2610 /* 2611 * if 1st byte of report.. */ 2612 2613 if (data & START_FRAME) { 2614 new_rep->state = data; 2615 if (new_rep->bytcnt > 1) { 2616 new_rep->bytcnt = 1; /* start of new frame */ 2617 continue; /* ..continue looking */ 2618 } 2619 } 2620 2621 /* 2622 * if 2nd byte of report.. */ 2623 2624 else if (new_rep->bytcnt == 2) { 2625 new_rep->dx = data & 0x3F; 2626 } 2627 2628 /* 2629 * if 3rd byte of report.. */ 2630 2631 else if (new_rep->bytcnt == 3) { 2632 new_rep->dx |= (data & 0x3F) << 6; 2633 } 2634 2635 /* 2636 * if 4th byte of report.. */ 2637 2638 else if (new_rep->bytcnt == 4) { 2639 new_rep->dy = data & 0x3F; 2640 } 2641 2642 /* 2643 * if 5th byte of report, load input event queue */ 2644 2645 else if (new_rep->bytcnt == 5) { 2646 2647 new_rep->dy |= (data & 0x3F) << 6; 2648 new_rep->bytcnt = 0; 2649 2650 /* 2651 * update cursor position coordinates */ 2652 2653 new_rep->dx /= qdflags[unit].tab_res; 2654 new_rep->dy = (2200 - new_rep->dy) 2655 / qdflags[unit].tab_res; 2656 2657 if (new_rep->dx > 1023) { 2658 new_rep->dx = 1023; 2659 } 2660 if (new_rep->dy > 863) { 2661 new_rep->dy = 863; 2662 } 2663 2664 /* 2665 * report an event if the puck/stylus has moved 2666 */ 2667 2668 if (eqh->curs_pos.x != new_rep->dx || 2669 eqh->curs_pos.y != new_rep->dy) { 2670 2671 eqh->curs_pos.x = new_rep->dx; 2672 eqh->curs_pos.y = new_rep->dy; 2673 2674 /* 2675 * update cursor screen position */ 2676 2677 dga = (struct dga *) qdmap[unit].dga; 2678 dga->x_cursor = TRANX(eqh->curs_pos.x); 2679 dga->y_cursor = TRANY(eqh->curs_pos.y); 2680 2681 /* 2682 * if cursor is in the box, no event report 2683 */ 2684 2685 if (eqh->curs_pos.x <= eqh->curs_box.right && 2686 eqh->curs_pos.x >= eqh->curs_box.left && 2687 eqh->curs_pos.y >= eqh->curs_box.top && 2688 eqh->curs_pos.y <= eqh->curs_box.bottom ) { 2689 goto GET_TBUTTON; 2690 } 2691 2692 /* 2693 * report the tablet motion event */ 2694 2695 event = PUTBEGIN(eqh); 2696 PUTEND(eqh); 2697 2698 ++do_wakeup; /* request a select wakeup call */ 2699 2700 event->vse_x = eqh->curs_pos.x; 2701 event->vse_y = eqh->curs_pos.y; 2702 2703 event->vse_device = VSE_TABLET; /* tablet */ 2704 /* 2705 * right now, X handles tablet motion the same 2706 * as mouse motion 2707 */ 2708 event->vse_type = VSE_MMOTION; /* pos changed */ 2709 event->vse_key = 0; 2710 event->vse_direction = 0; 2711 event->vse_time = TOY; /* time stamp */ 2712 } 2713 GET_TBUTTON: 2714 /* 2715 * if button state has changed */ 2716 2717 a = new_rep->state & 0x1E; /* mask nonbutton bits */ 2718 b = last_rep[unit].state & 0x1E; 2719 2720 if (a ^ b) { 2721 2722 /* event queue full now? (overflow condition) */ 2723 2724 if (ISFULL(eqh) == TRUE) { 2725 printf("qd%d: qdiint: event queue overflow\n",qd); 2726 break; 2727 } 2728 2729 event = PUTBEGIN(eqh); /* get new event */ 2730 PUTEND(eqh); 2731 2732 ++do_wakeup; /* request a select wakeup call */ 2733 2734 event->vse_x = eqh->curs_pos.x; 2735 event->vse_y = eqh->curs_pos.y; 2736 2737 event->vse_device = VSE_TABLET; /* tablet */ 2738 event->vse_type = VSE_BUTTON; /* button changed */ 2739 event->vse_time = TOY; /* time stamp */ 2740 2741 /* define the changed button and if up or down */ 2742 2743 for ( c = 1; c <= 0x10; c <<= 1) { 2744 if (c & (a ^ b)) { 2745 if (c == T_LEFT_BUTTON) 2746 event->vse_key = VSE_T_LEFT_BUTTON; 2747 else if (c == T_FRONT_BUTTON) 2748 event->vse_key = VSE_T_FRONT_BUTTON; 2749 else if (c == T_RIGHT_BUTTON) 2750 event->vse_key = VSE_T_RIGHT_BUTTON; 2751 else if (c == T_BACK_BUTTON) 2752 event->vse_key = VSE_T_BACK_BUTTON; 2753 break; 2754 } 2755 } 2756 2757 /* set bit = button depressed */ 2758 2759 if (c & a) 2760 event->vse_direction = VSE_KBTDOWN; 2761 else 2762 event->vse_direction = VSE_KBTUP; 2763 } 2764 2765 /* refresh last report */ 2766 2767 last_rep[unit] = current_rep[unit]; 2768 2769 } /* get last byte of report */ 2770 } /* pick up tablet input */ 2771 2772 } /* while input available.. */ 2773 2774 /* 2775 * do select wakeup 2776 */ 2777 if (do_wakeup) { 2778 selnotify(&qdrsel[unit], 0, 0); 2779 do_wakeup = 0; 2780 } 2781 } else { 2782 /* 2783 * if the graphic device is not turned on, this is console input 2784 */ 2785 if (qdpolling) 2786 return; 2787 2788 if (unit >= qd_cd.cd_ndevs || qd_cd.cd_devs[unit] == NULL) 2789 return; /* no such device or address */ 2790 2791 tp = qd_tty[unit << 2]; 2792 2793 /* 2794 * Get a character from the keyboard. 2795 */ 2796 while (duart->statusA&RCV_RDY) { 2797 key = duart->dataA; 2798 key &= 0xFF; 2799 /* 2800 * Check for various keyboard errors 2801 */ 2802 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 2803 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 2804 printf("qd%d: qdiint: Keyboard error, code = %x\n",qd,key); 2805 return; 2806 } 2807 2808 if (key < LK_LOWEST) 2809 return; 2810 2811 /* 2812 * See if its a state change key */ 2813 2814 switch (key) { 2815 2816 case LOCK: 2817 q_keyboard.lock ^= 0xffff; /* toggle */ 2818 if (q_keyboard.lock) 2819 led_control(qd, LK_LED_ENABLE, 2820 LK_LED_LOCK); 2821 else 2822 led_control(qd, LK_LED_DISABLE, 2823 LK_LED_LOCK); 2824 return; 2825 2826 case SHIFT: 2827 q_keyboard.shift ^= 0xFFFF; 2828 return; 2829 2830 case CNTRL: 2831 q_keyboard.cntrl ^= 0xFFFF; 2832 return; 2833 2834 case ALLUP: 2835 q_keyboard.cntrl = 0; 2836 q_keyboard.shift = 0; 2837 return; 2838 2839 case REPEAT: 2840 chr = q_keyboard.last; 2841 break; 2842 2843 /* 2844 * Test for cntrl characters. If set, see if the character 2845 * is elligible to become a control character. */ 2846 2847 default: 2848 2849 if (q_keyboard.cntrl) { 2850 chr = q_key[key]; 2851 if (chr >= ' ' && chr <= '~') 2852 chr &= 0x1F; 2853 else if (chr >= 0xA1 && chr <= 0xFE) 2854 chr &= 0x9F; 2855 } 2856 else if( q_keyboard.lock || q_keyboard.shift ) 2857 chr = q_shift_key[key]; 2858 else 2859 chr = q_key[key]; 2860 break; 2861 } 2862 2863 q_keyboard.last = chr; 2864 2865 /* 2866 * Check for special function keys */ 2867 2868 if (chr & 0x100) { 2869 char *string; 2870 string = q_special[chr & 0x7F]; 2871 while(*string) 2872 (*tp->t_linesw->l_rint)(*string++, tp); 2873 } 2874 else { 2875 #ifdef DDB 2876 /* Check for kernel debugger escape here */ 2877 int j; 2878 2879 j = kdbrint(chr&0177); 2880 2881 if (j == 1) /* Escape received, just return */ 2882 return; 2883 2884 if (j == 2) /* Second char wasn't 'D' */ 2885 (*tp->t_linesw->l_rint)(27, tp); 2886 #endif 2887 (*tp->t_linesw->l_rint)(chr&0177, tp); 2888 } 2889 } 2890 } 2891 } /* qdiint */ 2892 2893 /* 2894 * 2895 * Clear the QDSS screen 2896 * 2897 * >>> NOTE <<< 2898 * 2899 * This code requires that certain adder initialization be valid. To 2900 * assure that this requirement is satisfied, this routine should be 2901 * called only after calling the "setup_dragon()" function. 2902 * 2903 * Clear the bitmap a piece at a time. Since the fast scroll clear 2904 * only clears the current displayed portion of the bitmap put a 2905 * temporary value in the y limit register so we can access whole 2906 * bitmap 2907 * 2908 */ 2909 void 2910 clear_qd_screen(unit) 2911 int unit; 2912 { 2913 volatile struct adder *adder; 2914 adder = (struct adder *) qdmap[unit].adder; 2915 2916 adder->x_limit = 1024; 2917 adder->y_limit = 2048 - CHAR_HEIGHT; 2918 adder->y_offset_pending = 0; 2919 #define WSV (void)wait_status(adder, VSYNC); (void)wait_status(adder, VSYNC) 2920 WSV; 2921 adder->y_scroll_constant = SCROLL_ERASE; 2922 WSV; 2923 adder->y_offset_pending = 864; 2924 WSV; 2925 adder->y_scroll_constant = SCROLL_ERASE; 2926 WSV; 2927 adder->y_offset_pending = 1728; 2928 WSV; 2929 adder->y_scroll_constant = SCROLL_ERASE; 2930 WSV; 2931 adder->y_offset_pending = 0; /* back to normal */ 2932 WSV; 2933 adder->x_limit = MAX_SCREEN_X; 2934 adder->y_limit = MAX_SCREEN_Y + FONT_HEIGHT; 2935 #undef WSV 2936 2937 } /* clear_qd_screen */ 2938 2939 /* 2940 * kernel console output to the glass tty 2941 */ 2942 void 2943 qdcnputc(dev, chr) 2944 dev_t dev; 2945 int chr; 2946 { 2947 2948 /* 2949 * if system is now physical, forget it (ie: crash DUMP) 2950 */ 2951 if ((mfpr(PR_MAPEN) & 1) == 0) 2952 return; 2953 2954 blitc(0, (u_char)(chr & 0xff)); 2955 if ((chr & 0177) == '\n') 2956 blitc(0, '\r'); 2957 2958 } /* qdputc */ 2959 2960 /* 2961 * load the mouse cursor's template RAM bitmap 2962 */ 2963 void 2964 ldcursor(unit, bitmap) 2965 int unit; 2966 short *bitmap; 2967 { 2968 volatile struct dga *dga; 2969 volatile short *temp; 2970 int i; 2971 int curs; 2972 2973 dga = (struct dga *) qdmap[unit].dga; 2974 temp = (short *) qdmap[unit].template; 2975 2976 if (dga->csr & CURS_ENB) { /* if the cursor is enabled.. */ 2977 curs = -1; /* ..note that.. */ 2978 dga->csr &= ~CURS_ENB; /* ..and shut it off */ 2979 } else 2980 curs = 0; 2981 2982 dga->csr &= ~CURS_ENB; /* shut off the cursor */ 2983 2984 temp += (8 * 1024) - 32; /* cursor is 32 WORDS from the end */ 2985 /* ..of the 8k WORD template space */ 2986 for (i = 0; i < 32; ++i) 2987 *temp++ = *bitmap++; 2988 2989 if (curs) { /* if cursor was enabled.. */ 2990 dga->csr |= CURS_ENB; /* ..turn it back on */ 2991 } 2992 2993 } /* ldcursor */ 2994 2995 /* 2996 * Put the console font in the QDSS off-screen memory 2997 */ 2998 void 2999 ldfont(unit) 3000 int unit; 3001 { 3002 volatile struct adder *adder; 3003 3004 int i, j, k, max_chars_line; 3005 short packed; 3006 3007 adder = (struct adder *) qdmap[unit].adder; 3008 3009 /* 3010 * setup VIPER operand control registers 3011 */ 3012 write_ID(adder, MASK_1, 0xFFFF); 3013 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3014 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3015 3016 write_ID(adder, SRC1_OCR_B, 3017 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 3018 write_ID(adder, SRC2_OCR_B, 3019 EXT_NONE | INT_NONE | ID | BAR_SHIFT_DELAY); 3020 write_ID(adder, DST_OCR_B, 3021 EXT_SOURCE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3022 3023 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3024 3025 /* 3026 * load destination data 3027 */ 3028 (void)wait_status(adder, RASTEROP_COMPLETE); 3029 3030 adder->destination_x = FONT_X; 3031 adder->destination_y = FONT_Y; 3032 #if FONT_WIDTH > MAX_SCREEN_X 3033 adder->fast_dest_dx = MAX_SCREEN_X; 3034 #else 3035 adder->fast_dest_dx = FONT_WIDTH; 3036 #endif 3037 adder->slow_dest_dy = CHAR_HEIGHT; 3038 3039 /* 3040 * setup for processor to bitmap xfer */ 3041 3042 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3043 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3044 3045 /* 3046 * Figure out how many characters can be stored on one "line" of 3047 * offscreen memory. 3048 */ 3049 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3050 if ((CHARS/2 + CHARS%2) < max_chars_line) 3051 max_chars_line = CHARS/2 + CHARS%2; 3052 3053 /* 3054 * iteratively do the processor to bitmap xfer */ 3055 3056 for (i = 0; i < ROWS; ++i) { 3057 3058 /* PTOB a scan line */ 3059 3060 for (j = 0, k = i; j < max_chars_line; ++j) { 3061 /* PTOB one scan of a char cell */ 3062 3063 packed = q_font[k]; 3064 k += ROWS; 3065 packed |= ((short)q_font[k] << 8); 3066 k += ROWS; 3067 3068 (void)wait_status(adder, TX_READY); 3069 adder->id_data = packed; 3070 } 3071 } 3072 3073 /* 3074 * (XXX XXX XXX - should remove) 3075 * 3076 * Copy the second row of characters. Subtract the first 3077 * row from the total number. Divide this quantity by 2 3078 * because 2 chars are stored in a short in the PTOB loop 3079 * below. Figure out how many characters can be stored on 3080 * one "line" of offscreen memory 3081 */ 3082 3083 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3084 if ((CHARS/2 + CHARS%2) < max_chars_line) 3085 return; 3086 max_chars_line = (CHARS/2 + CHARS%2) - max_chars_line; /* 95 - 64 */ 3087 /* Paranoia check to see if 3rd row may be needed */ 3088 if (max_chars_line > (MAX_SCREEN_X/(CHAR_WIDTH*2))) 3089 max_chars_line = MAX_SCREEN_X/(CHAR_WIDTH*2); 3090 3091 adder->destination_x = FONT_X; 3092 adder->destination_y = FONT_Y - CHAR_HEIGHT; 3093 adder->fast_dest_dx = max_chars_line * CHAR_WIDTH * 2; 3094 adder->slow_dest_dy = CHAR_HEIGHT; 3095 3096 /* 3097 * setup for processor to bitmap xfer 3098 */ 3099 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3100 adder->cmd = PBT | OCRB | 2 | DTE | 2; 3101 3102 /* 3103 * iteratively do the processor to bitmap xfer 3104 */ 3105 for (i = 0; i < ROWS; ++i) { 3106 /* 3107 * PTOB a scan line 3108 */ 3109 for (j = 0, k = i; j < max_chars_line; ++j) { 3110 /* 3111 * PTOB one scan of a char cell 3112 */ 3113 packed = q_font[k + FONT_OFFSET]; 3114 k += ROWS; 3115 packed |= ((short)q_font[k + FONT_OFFSET] << 8); 3116 k += ROWS; 3117 (void)wait_status(adder, TX_READY); 3118 adder->id_data = packed; 3119 } 3120 } 3121 3122 } /* ldfont */ 3123 3124 3125 /* 3126 * Disable or enable polling. This is used when entering or leaving the 3127 * kernel debugger. 3128 */ 3129 void 3130 qdcnpollc(dev, onoff) 3131 dev_t dev; 3132 int onoff; 3133 { 3134 qdpolling = onoff; 3135 } 3136 3137 3138 /* 3139 * Get a character from the LK201 (polled) 3140 */ 3141 int 3142 qdcngetc(dev) 3143 dev_t dev; 3144 { 3145 short key; 3146 char chr; 3147 volatile struct duart *duart; 3148 3149 duart = (struct duart *) qdmap[0].duart; 3150 3151 /* 3152 * Get a character from the keyboard. 3153 */ 3154 LOOP: 3155 while (!(duart->statusA&RCV_RDY)) 3156 ; 3157 3158 key = duart->dataA; 3159 key &= 0xFF; 3160 3161 /* 3162 * Check for various keyboard errors */ 3163 3164 if (key == LK_POWER_ERROR || key == LK_KDOWN_ERROR || 3165 key == LK_INPUT_ERROR || key == LK_OUTPUT_ERROR) { 3166 printf("Keyboard error, code = %x\n", key); 3167 return(0); 3168 } 3169 3170 if (key < LK_LOWEST) 3171 return(0); 3172 3173 /* 3174 * See if its a state change key 3175 */ 3176 switch (key) { 3177 3178 case LOCK: 3179 q_keyboard.lock ^= 0xffff; /* toggle */ 3180 if (q_keyboard.lock) 3181 led_control(0, LK_LED_ENABLE, LK_LED_LOCK); 3182 else 3183 led_control(0, LK_LED_DISABLE, LK_LED_LOCK); 3184 goto LOOP; 3185 3186 case SHIFT: 3187 q_keyboard.shift ^= 0xFFFF; 3188 goto LOOP; 3189 3190 case CNTRL: 3191 q_keyboard.cntrl ^= 0xFFFF; 3192 goto LOOP; 3193 3194 case ALLUP: 3195 q_keyboard.cntrl = 0; 3196 q_keyboard.shift = 0; 3197 goto LOOP; 3198 3199 case REPEAT: 3200 chr = q_keyboard.last; 3201 break; 3202 3203 /* 3204 * Test for cntrl characters. If set, see if the character 3205 * is elligible to become a control character. 3206 */ 3207 default: 3208 3209 if (q_keyboard.cntrl) { 3210 chr = q_key[key]; 3211 if (chr >= ' ' && chr <= '~') 3212 chr &= 0x1F; 3213 } 3214 else if ( q_keyboard.lock || q_keyboard.shift ) 3215 chr = q_shift_key[key]; 3216 else 3217 chr = q_key[key]; 3218 break; 3219 } 3220 3221 if (chr < ' ' && chr > '~') /* if input is non-displayable */ 3222 return(0); /* ..then pitch it! */ 3223 3224 q_keyboard.last = chr; 3225 3226 /* 3227 * Check for special function keys */ 3228 3229 if (chr & 0x80) /* pitch the function keys */ 3230 return(0); 3231 else 3232 return(chr); 3233 3234 } /* qdgetc */ 3235 3236 /* 3237 * led_control()... twiddle LK-201 LED's 3238 */ 3239 void 3240 led_control(unit, cmd, led_mask) 3241 int unit, cmd, led_mask; 3242 { 3243 int i; 3244 volatile struct duart *duart; 3245 3246 duart = (struct duart *)qdmap[unit].duart; 3247 3248 for (i = 1000; i > 0; --i) { 3249 if (duart->statusA&XMT_RDY) { 3250 duart->dataA = cmd; 3251 break; 3252 } 3253 } 3254 for (i = 1000; i > 0; --i) { 3255 if (duart->statusA&XMT_RDY) { 3256 duart->dataA = led_mask; 3257 break; 3258 } 3259 } 3260 return; 3261 3262 } /* led_control */ 3263 3264 /* 3265 * scroll_up()... move the screen up one character height 3266 */ 3267 void 3268 scroll_up(adder) 3269 volatile struct adder *adder; 3270 { 3271 /* 3272 * setup VIPER operand control registers 3273 */ 3274 (void)wait_status(adder, ADDRESS_COMPLETE); 3275 write_ID(adder, CS_UPDATE_MASK, 0x00FF); /* select all planes */ 3276 write_ID(adder, MASK_1, 0xFFFF); 3277 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3278 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3279 write_ID(adder, SRC1_OCR_B, 3280 EXT_NONE | INT_SOURCE | ID | BAR_SHIFT_DELAY); 3281 write_ID(adder, DST_OCR_B, 3282 EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY); 3283 /* 3284 * load DESTINATION origin and vectors 3285 */ 3286 adder->fast_dest_dy = 0; 3287 adder->slow_dest_dx = 0; 3288 adder->error_1 = 0; 3289 adder->error_2 = 0; 3290 adder->rasterop_mode = DST_WRITE_ENABLE | NORMAL; 3291 adder->destination_x = 0; 3292 adder->fast_dest_dx = 1024; 3293 adder->destination_y = 0; 3294 adder->slow_dest_dy = 864 - CHAR_HEIGHT; 3295 /* 3296 * load SOURCE origin and vectors 3297 */ 3298 adder->source_1_x = 0; 3299 adder->source_1_dx = 1024; 3300 adder->source_1_y = 0 + CHAR_HEIGHT; 3301 adder->source_1_dy = 864 - CHAR_HEIGHT; 3302 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3303 adder->cmd = RASTEROP | OCRB | 0 | S1E | DTE; 3304 /* 3305 * do a rectangle clear of last screen line 3306 */ 3307 write_ID(adder, MASK_1, 0xffff); 3308 write_ID(adder, SOURCE, 0xffff); 3309 write_ID(adder,DST_OCR_B, 3310 (EXT_NONE | INT_NONE | NO_ID | NO_BAR_SHIFT_DELAY)); 3311 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 0); 3312 adder->error_1 = 0; 3313 adder->error_2 = 0; 3314 adder->slow_dest_dx = 0; /* set up the width of */ 3315 adder->slow_dest_dy = CHAR_HEIGHT; /* rectangle */ 3316 adder->rasterop_mode = (NORMAL | DST_WRITE_ENABLE) ; 3317 (void)wait_status(adder, RASTEROP_COMPLETE); 3318 adder->destination_x = 0; 3319 adder->destination_y = 864 - CHAR_HEIGHT; 3320 adder->fast_dest_dx = 1024; /* set up the height */ 3321 adder->fast_dest_dy = 0; /* of rectangle */ 3322 write_ID(adder, LU_FUNCTION_R2, (FULL_SRC_RESOLUTION | LF_SOURCE)); 3323 adder->cmd = (RASTEROP | OCRB | LF_R2 | DTE ) ; 3324 3325 } /* scroll_up */ 3326 3327 /* 3328 * init shared memory pointers and structures 3329 */ 3330 void 3331 init_shared(unit) 3332 int unit; 3333 { 3334 volatile struct dga *dga; 3335 3336 dga = (struct dga *) qdmap[unit].dga; 3337 3338 /* 3339 * initialize the event queue pointers and header */ 3340 3341 eq_header[unit] = (struct qdinput *) 3342 ((((int)event_shared & ~(0x01FF)) + 512) 3343 + (EVENT_BUFSIZE * unit)); 3344 eq_header[unit]->curs_pos.x = 0; 3345 eq_header[unit]->curs_pos.y = 0; 3346 dga->x_cursor = TRANX(eq_header[unit]->curs_pos.x); 3347 dga->y_cursor = TRANY(eq_header[unit]->curs_pos.y); 3348 eq_header[unit]->curs_box.left = 0; 3349 eq_header[unit]->curs_box.right = 0; 3350 eq_header[unit]->curs_box.top = 0; 3351 eq_header[unit]->curs_box.bottom = 0; 3352 /* 3353 * assign a pointer to the DMA I/O buffer for this QDSS. 3354 */ 3355 DMAheader[unit] = (struct DMAreq_header *) 3356 (((int)(&DMA_shared[0] + 512) & ~0x1FF) 3357 + (DMAbuf_size * unit)); 3358 DMAheader[unit]->DMAreq = (struct DMAreq *) ((int)DMAheader[unit] 3359 + sizeof(struct DMAreq_header)); 3360 DMAheader[unit]->QBAreg = 0; 3361 DMAheader[unit]->status = 0; 3362 DMAheader[unit]->shared_size = DMAbuf_size; 3363 DMAheader[unit]->used = 0; 3364 DMAheader[unit]->size = 10; /* default = 10 requests */ 3365 DMAheader[unit]->oldest = 0; 3366 DMAheader[unit]->newest = 0; 3367 /* 3368 * assign a pointer to the scroll structure for this QDSS. 3369 */ 3370 scroll[unit] = (struct scroll *) 3371 (((int)(&scroll_shared[0] + 512) & ~0x1FF) 3372 + (sizeof(struct scroll) * unit)); 3373 scroll[unit]->status = 0; 3374 scroll[unit]->viper_constant = 0; 3375 scroll[unit]->y_scroll_constant = 0; 3376 scroll[unit]->y_offset = 0; 3377 scroll[unit]->x_index_pending = 0; 3378 scroll[unit]->y_index_pending = 0; 3379 /* 3380 * assign a pointer to the color map write buffer for this QDSS 3381 */ 3382 color_buf[unit] = (struct color_buf *) 3383 (((int)(&color_shared[0] + 512) & ~0x1FF) 3384 + (COLOR_BUFSIZ * unit)); 3385 color_buf[unit]->status = 0; 3386 color_buf[unit]->count = 0; 3387 3388 } /* init_shared */ 3389 3390 /* 3391 * init the ADDER, VIPER, bitmaps, & color map 3392 */ 3393 void 3394 setup_dragon(unit) 3395 int unit; 3396 { 3397 3398 volatile struct adder *adder; 3399 volatile struct dga *dga; 3400 volatile short *memcsr; 3401 int i; 3402 short top; /* clipping/scrolling boundaries */ 3403 short bottom; 3404 short right; 3405 short left; 3406 volatile short *red; /* color map pointers */ 3407 volatile short *green; 3408 volatile short *blue; 3409 3410 /* 3411 * init for setup 3412 */ 3413 adder = (struct adder *) qdmap[unit].adder; 3414 dga = (struct dga *) qdmap[unit].dga; 3415 memcsr = (short *) qdmap[unit].memcsr; 3416 dga->csr &= ~(DMA_IE | 0x700); /* halt DMA and kill the intrpts */ 3417 *memcsr = SYNC_ON; /* blank screen and turn off LED's */ 3418 adder->command = CANCEL; 3419 /* 3420 * set monitor timing 3421 */ 3422 adder->x_scan_count_0 = 0x2800; 3423 adder->x_scan_count_1 = 0x1020; 3424 adder->x_scan_count_2 = 0x003A; 3425 adder->x_scan_count_3 = 0x38F0; 3426 adder->x_scan_count_4 = 0x6128; 3427 adder->x_scan_count_5 = 0x093A; 3428 adder->x_scan_count_6 = 0x313C; 3429 adder->sync_phase_adj = 0x0100; 3430 adder->x_scan_conf = 0x00C8; 3431 /* 3432 * got a bug in secound pass ADDER! lets take care of it 3433 * 3434 * normally, just use the code in the following bug fix code, but to 3435 * make repeated demos look pretty, load the registers as if there was 3436 * no bug and then test to see if we are getting sync 3437 */ 3438 adder->y_scan_count_0 = 0x135F; 3439 adder->y_scan_count_1 = 0x3363; 3440 adder->y_scan_count_2 = 0x2366; 3441 adder->y_scan_count_3 = 0x0388; 3442 /* 3443 * if no sync, do the bug fix code 3444 */ 3445 if (wait_status(adder, VSYNC) == BAD) { 3446 /* first load all Y scan registers with very short frame and 3447 * wait for scroll service. This guarantees at least one SYNC 3448 * to fix the pass 2 Adder initialization bug (synchronizes 3449 * XCINCH with DMSEEDH) 3450 */ 3451 adder->y_scan_count_0 = 0x01; 3452 adder->y_scan_count_1 = 0x01; 3453 adder->y_scan_count_2 = 0x01; 3454 adder->y_scan_count_3 = 0x01; 3455 /* 3456 * delay at least 1 full frame time 3457 */ 3458 (void)wait_status(adder, VSYNC); 3459 (void)wait_status(adder, VSYNC); 3460 /* 3461 * now load the REAL sync values (in reverse order just to 3462 * be safe. 3463 */ 3464 adder->y_scan_count_3 = 0x0388; 3465 adder->y_scan_count_2 = 0x2366; 3466 adder->y_scan_count_1 = 0x3363; 3467 adder->y_scan_count_0 = 0x135F; 3468 } 3469 *memcsr = SYNC_ON | UNBLANK; /* turn off leds and turn on video */ 3470 /* 3471 * zero the index registers 3472 */ 3473 adder->x_index_pending = 0; 3474 adder->y_index_pending = 0; 3475 adder->x_index_new = 0; 3476 adder->y_index_new = 0; 3477 adder->x_index_old = 0; 3478 adder->y_index_old = 0; 3479 adder->pause = 0; 3480 /* 3481 * set rasterop mode to normal pen down 3482 */ 3483 adder->rasterop_mode = DST_WRITE_ENABLE | DST_INDEX_ENABLE | NORMAL; 3484 /* 3485 * set the rasterop registers to a default values 3486 */ 3487 adder->source_1_dx = 1; 3488 adder->source_1_dy = 1; 3489 adder->source_1_x = 0; 3490 adder->source_1_y = 0; 3491 adder->destination_x = 0; 3492 adder->destination_y = 0; 3493 adder->fast_dest_dx = 1; 3494 adder->fast_dest_dy = 0; 3495 adder->slow_dest_dx = 0; 3496 adder->slow_dest_dy = 1; 3497 adder->error_1 = 0; 3498 adder->error_2 = 0; 3499 /* 3500 * scale factor = UNITY 3501 */ 3502 adder->fast_scale = UNITY; 3503 adder->slow_scale = UNITY; 3504 /* 3505 * set the source 2 parameters 3506 */ 3507 adder->source_2_x = 0; 3508 adder->source_2_y = 0; 3509 adder->source_2_size = 0x0022; 3510 /* 3511 * initialize plane addresses for eight vipers 3512 */ 3513 write_ID(adder, CS_UPDATE_MASK, 0x0001); 3514 write_ID(adder, PLANE_ADDRESS, 0x0000); 3515 write_ID(adder, CS_UPDATE_MASK, 0x0002); 3516 write_ID(adder, PLANE_ADDRESS, 0x0001); 3517 write_ID(adder, CS_UPDATE_MASK, 0x0004); 3518 write_ID(adder, PLANE_ADDRESS, 0x0002); 3519 write_ID(adder, CS_UPDATE_MASK, 0x0008); 3520 write_ID(adder, PLANE_ADDRESS, 0x0003); 3521 write_ID(adder, CS_UPDATE_MASK, 0x0010); 3522 write_ID(adder, PLANE_ADDRESS, 0x0004); 3523 write_ID(adder, CS_UPDATE_MASK, 0x0020); 3524 write_ID(adder, PLANE_ADDRESS, 0x0005); 3525 write_ID(adder, CS_UPDATE_MASK, 0x0040); 3526 write_ID(adder, PLANE_ADDRESS, 0x0006); 3527 write_ID(adder, CS_UPDATE_MASK, 0x0080); 3528 write_ID(adder, PLANE_ADDRESS, 0x0007); 3529 /* 3530 * initialize the external registers. 3531 */ 3532 write_ID(adder, CS_UPDATE_MASK, 0x00FF); 3533 write_ID(adder, CS_SCROLL_MASK, 0x00FF); 3534 /* 3535 * initialize resolution mode 3536 */ 3537 write_ID(adder, MEMORY_BUS_WIDTH, 0x000C); /* bus width = 16 */ 3538 write_ID(adder, RESOLUTION_MODE, 0x0000); /* one bit/pixel */ 3539 /* 3540 * initialize viper registers 3541 */ 3542 write_ID(adder, SCROLL_CONSTANT, SCROLL_ENABLE|VIPER_LEFT|VIPER_UP); 3543 write_ID(adder, SCROLL_FILL, 0x0000); 3544 /* 3545 * set clipping and scrolling limits to full screen 3546 */ 3547 for (i = 1000, adder->status = 0; 3548 i > 0 && !(adder->status&ADDRESS_COMPLETE); --i) 3549 ; 3550 if (i == 0) 3551 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3552 top = 0; 3553 bottom = 2048; 3554 left = 0; 3555 right = 1024; 3556 adder->x_clip_min = left; 3557 adder->x_clip_max = right; 3558 adder->y_clip_min = top; 3559 adder->y_clip_max = bottom; 3560 adder->scroll_x_min = left; 3561 adder->scroll_x_max = right; 3562 adder->scroll_y_min = top; 3563 adder->scroll_y_max = bottom; 3564 (void)wait_status(adder, VSYNC); /* wait at LEAST 1 full frame */ 3565 (void)wait_status(adder, VSYNC); 3566 adder->x_index_pending = left; 3567 adder->y_index_pending = top; 3568 adder->x_index_new = left; 3569 adder->y_index_new = top; 3570 adder->x_index_old = left; 3571 adder->y_index_old = top; 3572 3573 for (i = 1000, adder->status = 0; i > 0 && 3574 !(adder->status&ADDRESS_COMPLETE) ; --i) 3575 ; 3576 if (i == 0) 3577 printf("qd%d: setup_dragon: timeout on ADDRESS_COMPLETE\n",unit); 3578 3579 write_ID(adder, LEFT_SCROLL_MASK, 0x0000); 3580 write_ID(adder, RIGHT_SCROLL_MASK, 0x0000); 3581 /* 3582 * set source and the mask register to all ones (ie: white) o 3583 */ 3584 write_ID(adder, SOURCE, 0xFFFF); 3585 write_ID(adder, MASK_1, 0xFFFF); 3586 write_ID(adder, VIPER_Z_LOAD | FOREGROUND_COLOR_Z, 255); 3587 write_ID(adder, VIPER_Z_LOAD | BACKGROUND_COLOR_Z, 0); 3588 /* 3589 * initialize Operand Control Register banks for fill command 3590 */ 3591 write_ID(adder, SRC1_OCR_A, EXT_NONE | INT_M1_M2 | NO_ID | WAIT); 3592 write_ID(adder, SRC2_OCR_A, EXT_NONE | INT_SOURCE | NO_ID | NO_WAIT); 3593 write_ID(adder, DST_OCR_A, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3594 write_ID(adder, SRC1_OCR_B, EXT_NONE | INT_SOURCE | NO_ID | WAIT); 3595 write_ID(adder, SRC2_OCR_B, EXT_NONE | INT_M1_M2 | NO_ID | NO_WAIT); 3596 write_ID(adder, DST_OCR_B, EXT_NONE | INT_NONE | NO_ID | NO_WAIT); 3597 /* 3598 * init Logic Unit Function registers, (these are just common values, 3599 * and may be changed as required). 3600 */ 3601 write_ID(adder, LU_FUNCTION_R1, FULL_SRC_RESOLUTION | LF_SOURCE); 3602 write_ID(adder, LU_FUNCTION_R2, FULL_SRC_RESOLUTION | LF_SOURCE | 3603 INV_M1_M2); 3604 write_ID(adder, LU_FUNCTION_R3, FULL_SRC_RESOLUTION | LF_D_OR_S); 3605 write_ID(adder, LU_FUNCTION_R4, FULL_SRC_RESOLUTION | LF_D_XOR_S); 3606 /* 3607 * load the color map for black & white 3608 */ 3609 for (i = 0, adder->status = 0; i < 10000 && !(adder->status&VSYNC); ++i) 3610 ; 3611 3612 if (i == 0) 3613 printf("qd%d: setup_dragon: timeout on VSYNC\n", unit); 3614 3615 red = (short *) qdmap[unit].red; 3616 green = (short *) qdmap[unit].green; 3617 blue = (short *) qdmap[unit].blue; 3618 3619 *red++ = 0x00; /* black */ 3620 *green++ = 0x00; 3621 *blue++ = 0x00; 3622 3623 *red-- = 0xFF; /* white */ 3624 *green-- = 0xFF; 3625 *blue-- = 0xFF; 3626 3627 /* 3628 * set color map for mouse cursor 3629 */ 3630 3631 red += 254; 3632 green += 254; 3633 blue += 254; 3634 3635 *red++ = 0x00; /* black */ 3636 *green++ = 0x00; 3637 *blue++ = 0x00; 3638 3639 *red = 0xFF; /* white */ 3640 *green = 0xFF; 3641 *blue = 0xFF; 3642 3643 } /* setup_dragon */ 3644 3645 /* 3646 * Init the DUART and set defaults in input 3647 */ 3648 void 3649 setup_input(unit) 3650 int unit; 3651 { 3652 volatile struct duart *duart; /* DUART register structure pointer */ 3653 int i, bits; 3654 char id_byte; 3655 3656 duart = (struct duart *) qdmap[unit].duart; 3657 duart->imask = 0; 3658 3659 /* 3660 * setup the DUART for kbd & pointing device 3661 */ 3662 duart->cmdA = RESET_M; /* reset mode reg ptr for kbd */ 3663 duart->modeA = 0x13; /* 8 bits, no parity, rcv IE, */ 3664 /* no RTS control,char error mode */ 3665 duart->modeA = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3666 /* no RTS control,no echo or loop */ 3667 duart->cmdB = RESET_M; /* reset mode reg pntr for host */ 3668 duart->modeB = 0x07; /* 8 bits, odd parity, rcv IE.. */ 3669 /* ..no RTS cntrl, char error mode */ 3670 duart->modeB = 0x07; /* 1 stop bit,CTS does not IE XMT */ 3671 /* no RTS control,no echo or loop */ 3672 duart->auxctl = 0x00; /* baud rate set 1 */ 3673 duart->clkselA = 0x99; /* 4800 baud for kbd */ 3674 duart->clkselB = 0x99; /* 4800 baud for mouse */ 3675 3676 /* reset everything for keyboard */ 3677 3678 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3679 duart->cmdA = bits; 3680 3681 /* reset everything for host */ 3682 3683 for (bits = RESET_M; bits < START_BREAK; bits += 0x10) 3684 duart->cmdB = bits; 3685 3686 duart->cmdA = EN_RCV | EN_XMT; /* enbl xmt & rcv for kbd */ 3687 duart->cmdB = EN_RCV | EN_XMT; /* enbl xmt & rcv for pointer device */ 3688 3689 /* 3690 * init keyboard defaults (DUART channel A) 3691 */ 3692 for (i = 500; i > 0; --i) { 3693 if (duart->statusA&XMT_RDY) { 3694 duart->dataA = LK_DEFAULTS; 3695 break; 3696 } 3697 } 3698 3699 for (i = 100000; i > 0; --i) { 3700 if (duart->statusA&RCV_RDY) { 3701 break; 3702 } 3703 } 3704 3705 if (duart->dataA) /* flush the ACK */ 3706 ; 3707 3708 /* 3709 * identify the pointing device 3710 */ 3711 for (i = 500; i > 0; --i) { 3712 if (duart->statusB&XMT_RDY) { 3713 duart->dataB = SELF_TEST; 3714 break; 3715 } 3716 } 3717 3718 /* 3719 * wait for 1st byte of self test report */ 3720 3721 for (i = 100000; i > 0; --i) { 3722 if (duart->statusB&RCV_RDY) { 3723 break; 3724 } 3725 } 3726 3727 if (i == 0) { 3728 printf("qd[%d]: setup_input: timeout on 1st byte of self test\n" 3729 ,unit); 3730 goto OUT; 3731 } 3732 3733 if (duart->dataB) 3734 ; 3735 3736 /* 3737 * wait for ID byte of self test report 3738 */ 3739 for (i = 100000; i > 0; --i) { 3740 if (duart->statusB&RCV_RDY) { 3741 break; 3742 } 3743 } 3744 3745 if (i == 0) { 3746 printf("qd[%d]: setup_input: timeout on 2nd byte of self test\n", unit); 3747 goto OUT; 3748 } 3749 3750 id_byte = duart->dataB; 3751 3752 /* 3753 * wait for other bytes to come in 3754 */ 3755 for (i = 100000; i > 0; --i) { 3756 if (duart->statusB & RCV_RDY) { 3757 if (duart->dataB) 3758 ; 3759 break; 3760 } 3761 } 3762 if (i == 0) { 3763 printf("qd[%d]: setup_input: timeout on 3rd byte of self test\n", unit); 3764 goto OUT; 3765 } 3766 for (i = 100000; i > 0; --i) { 3767 if (duart->statusB&RCV_RDY) { 3768 if (duart->dataB) 3769 ; 3770 break; 3771 } 3772 } 3773 if (i == 0) { 3774 printf("qd[%d]: setup_input: timeout on 4th byte of self test\n", unit); 3775 goto OUT; 3776 } 3777 /* 3778 * flag pointing device type and set defaults 3779 */ 3780 for (i=100000; i>0; --i) 3781 ; /*XXX*/ 3782 3783 if ((id_byte & 0x0F) != TABLET_ID) { 3784 qdflags[unit].pntr_id = MOUSE_ID; 3785 3786 for (i = 500; i > 0; --i) { 3787 if (duart->statusB&XMT_RDY) { 3788 duart->dataB = INC_STREAM_MODE; 3789 break; 3790 } 3791 } 3792 } 3793 else { 3794 qdflags[unit].pntr_id = TABLET_ID; 3795 3796 for (i = 500; i > 0; --i) { 3797 if (duart->statusB&XMT_RDY) { 3798 duart->dataB = T_STREAM; 3799 break; 3800 } 3801 } 3802 } 3803 OUT: 3804 duart->imask = qdflags[unit].duart_imask; 3805 3806 } /* setup_input */ 3807 3808 /* 3809 * delay for at least one display frame time 3810 * 3811 * return: BAD means that we timed out without ever seeing the 3812 * vertical sync status bit 3813 * GOOD otherwise 3814 */ 3815 int 3816 wait_status(adder, mask) 3817 volatile struct adder *adder; 3818 int mask; 3819 { 3820 int i; 3821 3822 for (i = 10000, adder->status = 0 ; i > 0 && 3823 !(adder->status&mask) ; --i) 3824 ; 3825 3826 if (i == 0) { 3827 printf("wait_status: timeout polling for 0x%x in adder->status\n", mask); 3828 return(BAD); 3829 } 3830 3831 return(GOOD); 3832 3833 } /* wait_status */ 3834 3835 /* 3836 * write out onto the ID bus 3837 */ 3838 void 3839 write_ID(adder, adrs, data) 3840 volatile struct adder *adder; 3841 short adrs; 3842 short data; 3843 { 3844 int i; 3845 3846 for (i = 100000, adder->status = 0 ; 3847 i > 0 && !(adder->status&ADDRESS_COMPLETE) ; --i) 3848 ; 3849 3850 if (i == 0) 3851 goto ERR; 3852 3853 for (i = 100000, adder->status = 0 ; 3854 i > 0 && !(adder->status&TX_READY) ; --i) 3855 ; 3856 3857 if (i > 0) { 3858 adder->id_data = data; 3859 adder->command = ID_LOAD | adrs; 3860 return ; 3861 } 3862 3863 ERR: 3864 printf("write_ID: timeout trying to write to VIPER\n"); 3865 return ; 3866 3867 } /* write_ID */ 3868
Indexes created Tue Sep 30 11:09:46 GMT 2025