Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/ic/bt463.c
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1 /* $NetBSD: bt463.c,v 1.13 2008/04/28 20:23:49 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 35 * All rights reserved. 36 * 37 * Author: Chris G. Demetriou 38 * 39 * Permission to use, copy, modify and distribute this software and 40 * its documentation is hereby granted, provided that both the copyright 41 * notice and this permission notice appear in all copies of the 42 * software, derivative works or modified versions, and any portions 43 * thereof, and that both notices appear in supporting documentation. 44 * 45 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 46 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 47 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 48 * 49 * Carnegie Mellon requests users of this software to return to 50 * 51 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 52 * School of Computer Science 53 * Carnegie Mellon University 54 * Pittsburgh PA 15213-3890 55 * 56 * any improvements or extensions that they make and grant Carnegie the 57 * rights to redistribute these changes. 58 */ 59 60 /* This code was derived from and originally located in sys/dev/pci/ 61 * NetBSD: tga_bt463.c,v 1.5 2000/03/04 10:27:59 elric Exp 62 */ 63 64 #include <sys/cdefs.h> 65 __KERNEL_RCSID(0, "$NetBSD: bt463.c,v 1.13 2008/04/28 20:23:49 martin Exp $"); 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/device.h> 70 #include <sys/buf.h> 71 #include <sys/kernel.h> 72 #include <sys/malloc.h> 73 74 #include <uvm/uvm_extern.h> 75 76 #include <dev/pci/pcivar.h> 77 #include <dev/pci/tgareg.h> 78 #include <dev/pci/tgavar.h> 79 #include <dev/ic/bt463reg.h> 80 #include <dev/ic/bt463var.h> 81 82 #include <dev/wscons/wsconsio.h> 83 84 /* 85 * Functions exported via the RAMDAC configuration table. 86 */ 87 void bt463_init(struct ramdac_cookie *); 88 int bt463_set_cmap(struct ramdac_cookie *, struct wsdisplay_cmap *); 89 int bt463_get_cmap(struct ramdac_cookie *, struct wsdisplay_cmap *); 90 int bt463_set_cursor(struct ramdac_cookie *, struct wsdisplay_cursor *); 91 int bt463_get_cursor(struct ramdac_cookie *, struct wsdisplay_cursor *); 92 int bt463_set_curpos(struct ramdac_cookie *, struct wsdisplay_curpos *); 93 int bt463_get_curpos(struct ramdac_cookie *, struct wsdisplay_curpos *); 94 int bt463_get_curmax(struct ramdac_cookie *, struct wsdisplay_curpos *); 95 int bt463_check_curcmap(struct ramdac_cookie *, 96 struct wsdisplay_cursor *cursorp); 97 void bt463_set_curcmap(struct ramdac_cookie *, 98 struct wsdisplay_cursor *cursorp); 99 int bt463_get_curcmap(struct ramdac_cookie *, 100 struct wsdisplay_cursor *cursorp); 101 102 #ifdef BT463_DEBUG 103 int bt463_store(void *); 104 int bt463_debug(void *); 105 int bt463_readback(void *); 106 void bt463_copyback(void *); 107 #endif 108 109 struct ramdac_funcs bt463_funcsstruct = { 110 "Bt463", 111 bt463_register, 112 bt463_init, 113 bt463_set_cmap, 114 bt463_get_cmap, 115 bt463_set_cursor, 116 bt463_get_cursor, 117 bt463_set_curpos, 118 bt463_get_curpos, 119 bt463_get_curmax, 120 bt463_check_curcmap, 121 bt463_set_curcmap, 122 bt463_get_curcmap, 123 NULL, 124 }; 125 126 /* 127 * Private data. 128 */ 129 struct bt463data { 130 void *cookie; /* This is what is passed 131 * around, and is probably 132 * struct tga_devconfig * 133 */ 134 135 int (*ramdac_sched_update)(void *, void (*)(void *)); 136 void (*ramdac_wr)(void *, u_int, u_int8_t); 137 u_int8_t (*ramdac_rd)(void *, u_int); 138 139 int changed; /* what changed; see below */ 140 char curcmap_r[2]; /* cursor colormap */ 141 char curcmap_g[2]; 142 char curcmap_b[2]; 143 char tmpcurcmap_r[2]; /* tmp cursor colormap */ 144 char tmpcurcmap_g[2]; 145 char tmpcurcmap_b[2]; 146 char cmap_r[BT463_NCMAP_ENTRIES]; /* colormap */ 147 char cmap_g[BT463_NCMAP_ENTRIES]; 148 char cmap_b[BT463_NCMAP_ENTRIES]; 149 int window_type[16]; /* 16 24-bit window type table entries */ 150 }; 151 152 /* When we're doing console initialization, there's no 153 * way to get our cookie back to the video card's softc 154 * before we call sched_update. So we stash it here, 155 * and bt463_update will look for it here first. 156 */ 157 static struct bt463data *console_data; 158 159 160 #define BTWREG(data, addr, val) do { bt463_wraddr((data), (addr)); \ 161 (data)->ramdac_wr((data)->cookie, BT463_REG_IREG_DATA, (val)); } while (0) 162 #define BTWNREG(data, val) (data)->ramdac_wr((data)->cookie, \ 163 BT463_REG_IREG_DATA, (val)) 164 #define BTRREG(data, addr) (bt463_wraddr((data), (addr)), \ 165 (data)->ramdac_rd((data)->cookie, BT463_REG_IREG_DATA)) 166 #define BTRNREG(data) ((data)->ramdac_rd((data)->cookie, BT463_REG_IREG_DATA)) 167 168 #define DATA_CURCMAP_CHANGED 0x01 /* cursor colormap changed */ 169 #define DATA_CMAP_CHANGED 0x02 /* colormap changed */ 170 #define DATA_WTYPE_CHANGED 0x04 /* window type table changed */ 171 #define DATA_ALL_CHANGED 0x07 172 173 /* 174 * Internal functions. 175 */ 176 inline void bt463_wraddr(struct bt463data *, u_int16_t); 177 178 void bt463_update(void *); 179 180 181 /*****************************************************************************/ 182 183 /* 184 * Functions exported via the RAMDAC configuration table. 185 */ 186 187 struct ramdac_funcs * 188 bt463_funcs(void) 189 { 190 return &bt463_funcsstruct; 191 } 192 193 struct ramdac_cookie * 194 bt463_register(v, sched_update, wr, rd) 195 void *v; 196 int (*sched_update)(void *, void (*)(void *)); 197 void (*wr)(void *, u_int, u_int8_t); 198 u_int8_t (*rd)(void *, u_int); 199 { 200 struct bt463data *data; 201 /* 202 * XXX -- comment out of date. rcd. 203 * If we should allocate a new private info struct, do so. 204 * Otherwise, use the one we have (if it's there), or 205 * use the temporary one on the stack. 206 */ 207 data = malloc(sizeof *data, M_DEVBUF, M_WAITOK); 208 /* XXX -- if !data */ 209 data->cookie = v; 210 data->ramdac_sched_update = sched_update; 211 data->ramdac_wr = wr; 212 data->ramdac_rd = rd; 213 return (struct ramdac_cookie *)data; 214 } 215 216 /* 217 * This function exists solely to provide a means to init 218 * the RAMDAC without first registering. It is useful for 219 * initializing the console early on. 220 */ 221 void 222 bt463_cninit(v, sched_update, wr, rd) 223 void *v; 224 int (*sched_update)(void *, void (*)(void *)); 225 void (*wr)(void *, u_int, u_int8_t); 226 u_int8_t (*rd)(void *, u_int); 227 { 228 struct bt463data tmp, *data = &tmp; 229 data->cookie = v; 230 data->ramdac_sched_update = sched_update; 231 data->ramdac_wr = wr; 232 data->ramdac_rd = rd; 233 /* Set up console_data so that when bt463_update is called back, 234 * it can use the right information. 235 */ 236 console_data = data; 237 bt463_init((struct ramdac_cookie *)data); 238 console_data = NULL; 239 } 240 241 void 242 bt463_init(rc) 243 struct ramdac_cookie *rc; 244 { 245 struct bt463data *data = (struct bt463data *)rc; 246 247 int i; 248 249 /* 250 * Init the BT463 for normal operation. 251 */ 252 253 254 /* 255 * Setup: 256 * reg 0: 4:1 multiplexing, 25/75 blink. 257 * reg 1: Overlay mapping: mapped to common palette, 258 * 14 window type entries, 24-plane configuration mode, 259 * 4 overlay planes, underlays disabled, no cursor. 260 * reg 2: sync-on-green enabled, pedestal enabled. 261 */ 262 263 BTWREG(data, BT463_IREG_COMMAND_0, 0x40); 264 BTWREG(data, BT463_IREG_COMMAND_1, 0x48); 265 BTWREG(data, BT463_IREG_COMMAND_2, 0x40); 266 267 /* 268 * Initialize the read mask. 269 */ 270 bt463_wraddr(data, BT463_IREG_READ_MASK_P0_P7); 271 for (i = 0; i < 4; i++) 272 BTWNREG(data, 0xff); 273 274 /* 275 * Initialize the blink mask. 276 */ 277 bt463_wraddr(data, BT463_IREG_BLINK_MASK_P0_P7); 278 for (i = 0; i < 4; i++) 279 BTWNREG(data, 0); 280 281 282 /* 283 * Clear test register 284 */ 285 BTWREG(data, BT463_IREG_TEST, 0); 286 287 /* 288 * Initialize the RAMDAC info struct to hold all of our 289 * data, and fill it in. 290 */ 291 data->changed = DATA_ALL_CHANGED; 292 293 /* initial cursor colormap: 0 is black, 1 is white */ 294 data->curcmap_r[0] = data->curcmap_g[0] = data->curcmap_b[0] = 0; 295 data->curcmap_r[1] = data->curcmap_g[1] = data->curcmap_b[1] = 0xff; 296 297 /* Initial colormap: 0 is black, everything else is white */ 298 data->cmap_r[0] = data->cmap_g[0] = data->cmap_b[0] = 0; 299 for (i = 1; i < 256; i++) 300 data->cmap_r[i] = data->cmap_g[i] = data->cmap_b[i] = 255; 301 302 303 /* Initialize the window type table: 304 * 305 * Entry 0: 24-plane truecolor, overlays enabled, bypassed. 306 * 307 * Lookup table bypass: yes ( 1 << 23 & 0x800000) 800000 308 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0 309 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 1e000 310 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0 311 * Display mode: Truecolor ( 0 << 9 & 0x000e00) 000 312 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 100 313 * Plane shift: 0 ( 0 << 0 & 0x00001f) 0 314 * -------- 315 * 0x81e100 316 */ 317 data->window_type[0] = 0x81e100; 318 319 /* Entry 1: 8-plane pseudocolor in the bottom 8 bits, 320 * overlays enabled, colormap starting at 0. 321 * 322 * Lookup table bypass: no ( 0 << 23 & 0x800000) 0 323 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0 324 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 0x1e000 325 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0 326 * Display mode: Pseudocolor ( 1 << 9 & 0x000e00) 0x200 327 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 0x100 328 * Plane shift: 16 ( 0x10 << 0 & 0x00001f) 10 329 * -------- 330 * 0x01e310 331 */ 332 data->window_type[1] = 0x01e310; 333 334 /* The colormap interface to the world only supports one colormap, 335 * so having an entry for the 'alternate' colormap in the bt463 336 * probably isn't useful. 337 */ 338 339 /* Fill the remaining table entries with clones of entry 0 until we 340 * figure out a better use for them. 341 */ 342 343 for (i = 2; i < BT463_NWTYPE_ENTRIES; i++) { 344 data->window_type[i] = 0x81e100; 345 } 346 347 data->ramdac_sched_update(data->cookie, bt463_update); 348 349 } 350 351 int 352 bt463_set_cmap(rc, cmapp) 353 struct ramdac_cookie *rc; 354 struct wsdisplay_cmap *cmapp; 355 { 356 struct bt463data *data = (struct bt463data *)rc; 357 u_int count, index; 358 uint8_t r[BT463_NCMAP_ENTRIES]; 359 uint8_t g[BT463_NCMAP_ENTRIES]; 360 uint8_t b[BT463_NCMAP_ENTRIES]; 361 int s, error; 362 363 if (cmapp->index >= BT463_NCMAP_ENTRIES || 364 cmapp->count > BT463_NCMAP_ENTRIES - cmapp->index) 365 return (EINVAL); 366 367 index = cmapp->index; 368 count = cmapp->count; 369 error = copyin(cmapp->red, &r[index], count); 370 if (error) 371 return error; 372 error = copyin(cmapp->green, &g[index], count); 373 if (error) 374 return error; 375 error = copyin(cmapp->blue, &b[index], count); 376 if (error) 377 return error; 378 s = spltty(); 379 memcpy(&data->cmap_r[index], &r[index], count); 380 memcpy(&data->cmap_g[index], &g[index], count); 381 memcpy(&data->cmap_b[index], &b[index], count); 382 data->changed |= DATA_CMAP_CHANGED; 383 data->ramdac_sched_update(data->cookie, bt463_update); 384 splx(s); 385 return (0); 386 } 387 388 int 389 bt463_get_cmap(rc, cmapp) 390 struct ramdac_cookie *rc; 391 struct wsdisplay_cmap *cmapp; 392 { 393 struct bt463data *data = (struct bt463data *)rc; 394 u_int count, index; 395 int error; 396 397 if (cmapp->index >= BT463_NCMAP_ENTRIES || 398 cmapp->count > BT463_NCMAP_ENTRIES - cmapp->index) 399 return (EINVAL); 400 401 count = cmapp->count; 402 index = cmapp->index; 403 404 error = copyout(&data->cmap_r[index], cmapp->red, count); 405 if (error) 406 return (error); 407 error = copyout(&data->cmap_g[index], cmapp->green, count); 408 if (error) 409 return (error); 410 error = copyout(&data->cmap_b[index], cmapp->blue, count); 411 return (error); 412 } 413 414 int 415 bt463_check_curcmap(rc, cursorp) 416 struct ramdac_cookie *rc; 417 struct wsdisplay_cursor *cursorp; 418 { 419 struct bt463data *data = (struct bt463data *)rc; 420 int count, index, error; 421 422 if (cursorp->cmap.index > 2 || 423 (cursorp->cmap.index + cursorp->cmap.count) > 2) 424 return (EINVAL); 425 count = cursorp->cmap.count; 426 index = cursorp->cmap.index; 427 error = copyin(cursorp->cmap.red, &data->tmpcurcmap_r[index], count); 428 if (error) 429 return error; 430 error = copyin(cursorp->cmap.green, &data->tmpcurcmap_g[index], count); 431 if (error) 432 return error; 433 error = copyin(cursorp->cmap.blue, &data->tmpcurcmap_b[index], count); 434 if (error) 435 return error; 436 return (0); 437 } 438 439 void 440 bt463_set_curcmap(rc, cursorp) 441 struct ramdac_cookie *rc; 442 struct wsdisplay_cursor *cursorp; 443 { 444 struct bt463data *data = (struct bt463data *)rc; 445 int count, index; 446 447 count = cursorp->cmap.count; 448 index = cursorp->cmap.index; 449 memcpy(&data->curcmap_r[index], &data->tmpcurcmap_r[index], count); 450 memcpy(&data->curcmap_g[index], &data->tmpcurcmap_g[index], count); 451 memcpy(&data->curcmap_b[index], &data->tmpcurcmap_b[index], count); 452 data->changed |= DATA_CURCMAP_CHANGED; 453 data->ramdac_sched_update(data->cookie, bt463_update); 454 } 455 456 int 457 bt463_get_curcmap(rc, cursorp) 458 struct ramdac_cookie *rc; 459 struct wsdisplay_cursor *cursorp; 460 { 461 struct bt463data *data = (struct bt463data *)rc; 462 int error; 463 464 cursorp->cmap.index = 0; /* DOCMAP */ 465 cursorp->cmap.count = 2; 466 if (cursorp->cmap.red != NULL) { 467 error = copyout(data->curcmap_r, cursorp->cmap.red, 2); 468 if (error) 469 return (error); 470 } 471 if (cursorp->cmap.green != NULL) { 472 error = copyout(data->curcmap_g, cursorp->cmap.green, 2); 473 if (error) 474 return (error); 475 } 476 if (cursorp->cmap.blue != NULL) { 477 error = copyout(data->curcmap_b, cursorp->cmap.blue, 2); 478 if (error) 479 return (error); 480 } 481 return (0); 482 } 483 484 485 /*****************************************************************************/ 486 487 /* 488 * Internal functions. 489 */ 490 491 #ifdef BT463_DEBUG 492 int bt463_store(void *v) 493 { 494 struct bt463data *data = (struct bt463data *)v; 495 496 data->changed = DATA_ALL_CHANGED; 497 data->ramdac_sched_update(data->cookie, bt463_update); 498 printf("Scheduled bt463 store\n"); 499 500 return 0; 501 } 502 503 504 int bt463_readback(void *v) 505 { 506 struct bt463data *data = (struct bt463data *)v; 507 508 data->ramdac_sched_update(data->cookie, bt463_copyback); 509 printf("Scheduled bt463 copyback\n"); 510 return 0; 511 } 512 513 int 514 bt463_debug(v) 515 void *v; 516 { 517 struct bt463data *data = (struct bt463data *)v; 518 int i; 519 u_int8_t val; 520 521 printf("BT463 main regs:\n"); 522 for (i = 0x200; i < 0x20F; i ++) { 523 val = BTRREG(data, i); 524 printf(" $%04x %02x\n", i, val); 525 } 526 527 printf("BT463 revision register:\n"); 528 val = BTRREG(data, 0x220); 529 printf(" $%04x %02x\n", 0x220, val); 530 531 printf("BT463 window type table (from softc):\n"); 532 533 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 534 printf("%02x %06x\n", i, data->window_type[i]); 535 } 536 537 return 0; 538 } 539 540 void 541 bt463_copyback(p) 542 void *p; 543 { 544 struct bt463data *data = (struct bt463data *)p; 545 int i; 546 547 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 548 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i); 549 data->window_type[i] = (BTRNREG(data) & 0xff); /* B0-7 */ 550 data->window_type[i] |= (BTRNREG(data) & 0xff) << 8; /* B8-15 */ 551 data->window_type[i] |= (BTRNREG(data) & 0xff) << 16; /* B16-23 */ 552 } 553 } 554 #endif 555 556 inline void 557 bt463_wraddr(data, ireg) 558 struct bt463data *data; 559 u_int16_t ireg; 560 { 561 data->ramdac_wr(data->cookie, BT463_REG_ADDR_LOW, ireg & 0xff); 562 data->ramdac_wr(data->cookie, BT463_REG_ADDR_HIGH, (ireg >> 8) & 0xff); 563 } 564 565 void 566 bt463_update(p) 567 void *p; 568 { 569 struct bt463data *data = (struct bt463data *)p; 570 int i, v; 571 572 if (console_data != NULL) { 573 /* The cookie passed in from sched_update is incorrect. Use the 574 * right one. 575 */ 576 data = console_data; 577 } 578 579 v = data->changed; 580 581 /* The Bt463 won't accept window type data except during a blanking 582 * interval, so we do this early in the interrupt. 583 * Blanking the screen might also be a good idea, but it can cause 584 * unpleasant flashing and is hard to do from this side of the 585 * ramdac interface. 586 */ 587 if (v & DATA_WTYPE_CHANGED) { 588 /* spit out the window type data */ 589 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 590 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i); 591 BTWNREG(data, (data->window_type[i]) & 0xff); /* B0-7 */ 592 BTWNREG(data, (data->window_type[i] >> 8) & 0xff); /* B8-15 */ 593 BTWNREG(data, (data->window_type[i] >> 16) & 0xff); /* B16-23 */ 594 } 595 } 596 597 if (v & DATA_CURCMAP_CHANGED) { 598 bt463_wraddr(data, BT463_IREG_CURSOR_COLOR_0); 599 /* spit out the cursor data */ 600 for (i = 0; i < 2; i++) { 601 BTWNREG(data, data->curcmap_r[i]); 602 BTWNREG(data, data->curcmap_g[i]); 603 BTWNREG(data, data->curcmap_b[i]); 604 } 605 } 606 607 if (v & DATA_CMAP_CHANGED) { 608 bt463_wraddr(data, BT463_IREG_CPALETTE_RAM); 609 /* spit out the colormap data */ 610 for (i = 0; i < BT463_NCMAP_ENTRIES; i++) { 611 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 612 data->cmap_r[i]); 613 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 614 data->cmap_g[i]); 615 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 616 data->cmap_b[i]); 617 } 618 } 619 620 data->changed = 0; 621 } 622 623 int bt463_set_cursor (rc, cur) 624 struct ramdac_cookie *rc; 625 struct wsdisplay_cursor *cur; 626 { 627 struct bt463data *data = (struct bt463data *)rc; 628 return tga_builtin_set_cursor(data->cookie, cur); 629 } 630 631 int bt463_get_cursor (rc, cur) 632 struct ramdac_cookie *rc; 633 struct wsdisplay_cursor *cur; 634 { 635 struct bt463data *data = (struct bt463data *)rc; 636 return tga_builtin_get_cursor(data->cookie, cur); 637 } 638 639 int bt463_set_curpos (rc, cur) 640 struct ramdac_cookie *rc; 641 struct wsdisplay_curpos *cur; 642 { 643 struct bt463data *data = (struct bt463data *)rc; 644 return tga_builtin_set_curpos(data->cookie, cur); 645 } 646 647 int bt463_get_curpos (rc, cur) 648 struct ramdac_cookie *rc; 649 struct wsdisplay_curpos *cur; 650 { 651 struct bt463data *data = (struct bt463data *)rc; 652 return tga_builtin_get_curpos(data->cookie, cur); 653 } 654 655 int bt463_get_curmax (rc, cur) 656 struct ramdac_cookie *rc; 657 struct wsdisplay_curpos *cur; 658 { 659 struct bt463data *data = (struct bt463data *)rc; 660 return tga_builtin_get_curmax(data->cookie, cur); 661 }
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