1 /* $NetBSD: bt463.c,v 1.8 2002/08/03 00:13:02 itojun 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 42 * All rights reserved. 43 * 44 * Author: Chris G. Demetriou 45 * 46 * Permission to use, copy, modify and distribute this software and 47 * its documentation is hereby granted, provided that both the copyright 48 * notice and this permission notice appear in all copies of the 49 * software, derivative works or modified versions, and any portions 50 * thereof, and that both notices appear in supporting documentation. 51 * 52 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 53 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 54 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 55 * 56 * Carnegie Mellon requests users of this software to return to 57 * 58 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 59 * School of Computer Science 60 * Carnegie Mellon University 61 * Pittsburgh PA 15213-3890 62 * 63 * any improvements or extensions that they make and grant Carnegie the 64 * rights to redistribute these changes. 65 */ 66 67 /* This code was derived from and originally located in sys/dev/pci/ 68 * NetBSD: tga_bt463.c,v 1.5 2000/03/04 10:27:59 elric Exp 69 */ 70 71 #include <sys/cdefs.h> 72 __KERNEL_RCSID(0, "$NetBSD: bt463.c,v 1.8 2002/08/03 00:13:02 itojun Exp $"); 73 74 #include <sys/param.h> 75 #include <sys/systm.h> 76 #include <sys/device.h> 77 #include <sys/buf.h> 78 #include <sys/kernel.h> 79 #include <sys/malloc.h> 80 81 #include <uvm/uvm_extern.h> 82 83 #include <dev/pci/pcivar.h> 84 #include <dev/pci/tgareg.h> 85 #include <dev/pci/tgavar.h> 86 #include <dev/ic/bt463reg.h> 87 #include <dev/ic/bt463var.h> 88 89 #include <dev/wscons/wsconsio.h> 90 91 /* 92 * Functions exported via the RAMDAC configuration table. 93 */ 94 void bt463_init __P((struct ramdac_cookie *)); 95 int bt463_set_cmap __P((struct ramdac_cookie *, 96 struct wsdisplay_cmap *)); 97 int bt463_get_cmap __P((struct ramdac_cookie *, 98 struct wsdisplay_cmap *)); 99 int bt463_set_cursor __P((struct ramdac_cookie *, 100 struct wsdisplay_cursor *)); 101 int bt463_get_cursor __P((struct ramdac_cookie *, 102 struct wsdisplay_cursor *)); 103 int bt463_set_curpos __P((struct ramdac_cookie *, 104 struct wsdisplay_curpos *)); 105 int bt463_get_curpos __P((struct ramdac_cookie *, 106 struct wsdisplay_curpos *)); 107 int bt463_get_curmax __P((struct ramdac_cookie *, 108 struct wsdisplay_curpos *)); 109 int bt463_check_curcmap __P((struct ramdac_cookie *, 110 struct wsdisplay_cursor *cursorp)); 111 void bt463_set_curcmap __P((struct ramdac_cookie *, 112 struct wsdisplay_cursor *cursorp)); 113 int bt463_get_curcmap __P((struct ramdac_cookie *, 114 struct wsdisplay_cursor *cursorp)); 115 116 #ifdef BT463_DEBUG 117 int bt463_store __P((void *)); 118 int bt463_debug __P((void *)); 119 int bt463_readback __P((void *)); 120 void bt463_copyback __P((void *)); 121 #endif 122 123 struct ramdac_funcs bt463_funcsstruct = { 124 "Bt463", 125 bt463_register, 126 bt463_init, 127 bt463_set_cmap, 128 bt463_get_cmap, 129 bt463_set_cursor, 130 bt463_get_cursor, 131 bt463_set_curpos, 132 bt463_get_curpos, 133 bt463_get_curmax, 134 bt463_check_curcmap, 135 bt463_set_curcmap, 136 bt463_get_curcmap, 137 NULL, 138 }; 139 140 /* 141 * Private data. 142 */ 143 struct bt463data { 144 void *cookie; /* This is what is passed 145 * around, and is probably 146 * struct tga_devconfig * 147 */ 148 149 int (*ramdac_sched_update) __P((void *, void (*)(void *))); 150 void (*ramdac_wr) __P((void *, u_int, u_int8_t)); 151 u_int8_t (*ramdac_rd) __P((void *, u_int)); 152 153 int changed; /* what changed; see below */ 154 char curcmap_r[2]; /* cursor colormap */ 155 char curcmap_g[2]; 156 char curcmap_b[2]; 157 char cmap_r[BT463_NCMAP_ENTRIES]; /* colormap */ 158 char cmap_g[BT463_NCMAP_ENTRIES]; 159 char cmap_b[BT463_NCMAP_ENTRIES]; 160 int window_type[16]; /* 16 24-bit window type table entries */ 161 }; 162 163 /* When we're doing console initialization, there's no 164 * way to get our cookie back to the video card's softc 165 * before we call sched_update. So we stash it here, 166 * and bt463_update will look for it here first. 167 */ 168 static struct bt463data *console_data; 169 170 171 #define BTWREG(data, addr, val) do { bt463_wraddr((data), (addr)); \ 172 (data)->ramdac_wr((data)->cookie, BT463_REG_IREG_DATA, (val)); } while (0) 173 #define BTWNREG(data, val) (data)->ramdac_wr((data)->cookie, \ 174 BT463_REG_IREG_DATA, (val)) 175 #define BTRREG(data, addr) (bt463_wraddr((data), (addr)), \ 176 (data)->ramdac_rd((data)->cookie, BT463_REG_IREG_DATA)) 177 #define BTRNREG(data) ((data)->ramdac_rd((data)->cookie, BT463_REG_IREG_DATA)) 178 179 #define DATA_CURCMAP_CHANGED 0x01 /* cursor colormap changed */ 180 #define DATA_CMAP_CHANGED 0x02 /* colormap changed */ 181 #define DATA_WTYPE_CHANGED 0x04 /* window type table changed */ 182 #define DATA_ALL_CHANGED 0x07 183 184 /* 185 * Internal functions. 186 */ 187 inline void bt463_wraddr __P((struct bt463data *, u_int16_t)); 188 189 void bt463_update __P((void *)); 190 191 192 /*****************************************************************************/ 193 194 /* 195 * Functions exported via the RAMDAC configuration table. 196 */ 197 198 struct ramdac_funcs * 199 bt463_funcs(void) 200 { 201 return &bt463_funcsstruct; 202 } 203 204 struct ramdac_cookie * 205 bt463_register(v, sched_update, wr, rd) 206 void *v; 207 int (*sched_update)(void *, void (*)(void *)); 208 void (*wr)(void *, u_int, u_int8_t); 209 u_int8_t (*rd)(void *, u_int); 210 { 211 struct bt463data *data; 212 /* 213 * XXX -- comment out of date. rcd. 214 * If we should allocate a new private info struct, do so. 215 * Otherwise, use the one we have (if it's there), or 216 * use the temporary one on the stack. 217 */ 218 data = malloc(sizeof *data, M_DEVBUF, M_WAITOK); 219 /* XXX -- if !data */ 220 data->cookie = v; 221 data->ramdac_sched_update = sched_update; 222 data->ramdac_wr = wr; 223 data->ramdac_rd = rd; 224 return (struct ramdac_cookie *)data; 225 } 226 227 /* 228 * This function exists solely to provide a means to init 229 * the RAMDAC without first registering. It is useful for 230 * initializing the console early on. 231 */ 232 void 233 bt463_cninit(v, sched_update, wr, rd) 234 void *v; 235 int (*sched_update)(void *, void (*)(void *)); 236 void (*wr)(void *, u_int, u_int8_t); 237 u_int8_t (*rd)(void *, u_int); 238 { 239 struct bt463data tmp, *data = &tmp; 240 data->cookie = v; 241 data->ramdac_sched_update = sched_update; 242 data->ramdac_wr = wr; 243 data->ramdac_rd = rd; 244 /* Set up console_data so that when bt463_update is called back, 245 * it can use the right information. 246 */ 247 console_data = data; 248 bt463_init((struct ramdac_cookie *)data); 249 console_data = NULL; 250 } 251 252 void 253 bt463_init(rc) 254 struct ramdac_cookie *rc; 255 { 256 struct bt463data *data = (struct bt463data *)rc; 257 258 int i; 259 260 /* 261 * Init the BT463 for normal operation. 262 */ 263 264 265 /* 266 * Setup: 267 * reg 0: 4:1 multiplexing, 25/75 blink. 268 * reg 1: Overlay mapping: mapped to common palette, 269 * 14 window type entries, 24-plane configuration mode, 270 * 4 overlay planes, underlays disabled, no cursor. 271 * reg 2: sync-on-green enabled, pedestal enabled. 272 */ 273 274 BTWREG(data, BT463_IREG_COMMAND_0, 0x40); 275 BTWREG(data, BT463_IREG_COMMAND_1, 0x48); 276 BTWREG(data, BT463_IREG_COMMAND_2, 0x40); 277 278 /* 279 * Initialize the read mask. 280 */ 281 bt463_wraddr(data, BT463_IREG_READ_MASK_P0_P7); 282 for (i = 0; i < 4; i++) 283 BTWNREG(data, 0xff); 284 285 /* 286 * Initialize the blink mask. 287 */ 288 bt463_wraddr(data, BT463_IREG_BLINK_MASK_P0_P7); 289 for (i = 0; i < 4; i++) 290 BTWNREG(data, 0); 291 292 293 /* 294 * Clear test register 295 */ 296 BTWREG(data, BT463_IREG_TEST, 0); 297 298 /* 299 * Initialize the RAMDAC info struct to hold all of our 300 * data, and fill it in. 301 */ 302 data->changed = DATA_ALL_CHANGED; 303 304 /* initial cursor colormap: 0 is black, 1 is white */ 305 data->curcmap_r[0] = data->curcmap_g[0] = data->curcmap_b[0] = 0; 306 data->curcmap_r[1] = data->curcmap_g[1] = data->curcmap_b[1] = 0xff; 307 308 /* Initial colormap: 0 is black, everything else is white */ 309 data->cmap_r[0] = data->cmap_g[0] = data->cmap_b[0] = 0; 310 for (i = 1; i < 256; i++) 311 data->cmap_r[i] = data->cmap_g[i] = data->cmap_b[i] = 255; 312 313 314 /* Initialize the window type table: 315 * 316 * Entry 0: 24-plane truecolor, overlays enabled, bypassed. 317 * 318 * Lookup table bypass: yes ( 1 << 23 & 0x800000) 800000 319 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0 320 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 1e000 321 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0 322 * Display mode: Truecolor ( 0 << 9 & 0x000e00) 000 323 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 100 324 * Plane shift: 0 ( 0 << 0 & 0x00001f) 0 325 * -------- 326 * 0x81e100 327 */ 328 data->window_type[0] = 0x81e100; 329 330 /* Entry 1: 8-plane pseudocolor in the bottom 8 bits, 331 * overlays enabled, colormap starting at 0. 332 * 333 * Lookup table bypass: no ( 0 << 23 & 0x800000) 0 334 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0 335 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 0x1e000 336 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0 337 * Display mode: Pseudocolor ( 1 << 9 & 0x000e00) 0x200 338 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 0x100 339 * Plane shift: 16 ( 0x10 << 0 & 0x00001f) 10 340 * -------- 341 * 0x01e310 342 */ 343 data->window_type[1] = 0x01e310; 344 345 /* The colormap interface to the world only supports one colormap, 346 * so having an entry for the 'alternate' colormap in the bt463 347 * probably isn't useful. 348 */ 349 350 /* Fill the remaining table entries with clones of entry 0 until we 351 * figure out a better use for them. 352 */ 353 354 for (i = 2; i < BT463_NWTYPE_ENTRIES; i++) { 355 data->window_type[i] = 0x81e100; 356 } 357 358 data->ramdac_sched_update(data->cookie, bt463_update); 359 360 } 361 362 int 363 bt463_set_cmap(rc, cmapp) 364 struct ramdac_cookie *rc; 365 struct wsdisplay_cmap *cmapp; 366 { 367 struct bt463data *data = (struct bt463data *)rc; 368 u_int count, index; 369 int s; 370 371 if (cmapp->index >= BT463_NCMAP_ENTRIES || 372 cmapp->count > BT463_NCMAP_ENTRIES - cmapp->index) 373 return (EINVAL); 374 if (!uvm_useracc(cmapp->red, cmapp->count, B_READ) || 375 !uvm_useracc(cmapp->green, cmapp->count, B_READ) || 376 !uvm_useracc(cmapp->blue, cmapp->count, B_READ)) 377 return (EFAULT); 378 379 s = spltty(); 380 381 index = cmapp->index; 382 count = cmapp->count; 383 copyin(cmapp->red, &data->cmap_r[index], count); 384 copyin(cmapp->green, &data->cmap_g[index], count); 385 copyin(cmapp->blue, &data->cmap_b[index], count); 386 387 data->changed |= DATA_CMAP_CHANGED; 388 389 data->ramdac_sched_update(data->cookie, bt463_update); 390 splx(s); 391 392 return (0); 393 } 394 395 int 396 bt463_get_cmap(rc, cmapp) 397 struct ramdac_cookie *rc; 398 struct wsdisplay_cmap *cmapp; 399 { 400 struct bt463data *data = (struct bt463data *)rc; 401 u_int count, index; 402 int error; 403 404 if (cmapp->index >= BT463_NCMAP_ENTRIES || 405 cmapp->count > BT463_NCMAP_ENTRIES - cmapp->index) 406 return (EINVAL); 407 408 count = cmapp->count; 409 index = cmapp->index; 410 411 error = copyout(&data->cmap_r[index], cmapp->red, count); 412 if (error) 413 return (error); 414 error = copyout(&data->cmap_g[index], cmapp->green, count); 415 if (error) 416 return (error); 417 error = copyout(&data->cmap_b[index], cmapp->blue, count); 418 return (error); 419 } 420 421 int 422 bt463_check_curcmap(rc, cursorp) 423 struct ramdac_cookie *rc; 424 struct wsdisplay_cursor *cursorp; 425 { 426 int count; 427 428 if ((u_int)cursorp->cmap.index > 2 || 429 ((u_int)cursorp->cmap.index + 430 (u_int)cursorp->cmap.count) > 2) 431 return (EINVAL); 432 count = cursorp->cmap.count; 433 if (!uvm_useracc(cursorp->cmap.red, count, B_READ) || 434 !uvm_useracc(cursorp->cmap.green, count, B_READ) || 435 !uvm_useracc(cursorp->cmap.blue, count, B_READ)) 436 return (EFAULT); 437 return (0); 438 } 439 440 void 441 bt463_set_curcmap(rc, cursorp) 442 struct ramdac_cookie *rc; 443 struct wsdisplay_cursor *cursorp; 444 { 445 struct bt463data *data = (struct bt463data *)rc; 446 int count, index; 447 448 /* can't fail; parameters have already been checked. */ 449 count = cursorp->cmap.count; 450 index = cursorp->cmap.index; 451 copyin(cursorp->cmap.red, &data->curcmap_r[index], count); 452 copyin(cursorp->cmap.green, &data->curcmap_g[index], count); 453 copyin(cursorp->cmap.blue, &data->curcmap_b[index], count); 454 data->changed |= DATA_CURCMAP_CHANGED; 455 data->ramdac_sched_update(data->cookie, bt463_update); 456 } 457 458 int 459 bt463_get_curcmap(rc, cursorp) 460 struct ramdac_cookie *rc; 461 struct wsdisplay_cursor *cursorp; 462 { 463 struct bt463data *data = (struct bt463data *)rc; 464 int error; 465 466 cursorp->cmap.index = 0; /* DOCMAP */ 467 cursorp->cmap.count = 2; 468 if (cursorp->cmap.red != NULL) { 469 error = copyout(data->curcmap_r, cursorp->cmap.red, 2); 470 if (error) 471 return (error); 472 } 473 if (cursorp->cmap.green != NULL) { 474 error = copyout(data->curcmap_g, cursorp->cmap.green, 2); 475 if (error) 476 return (error); 477 } 478 if (cursorp->cmap.blue != NULL) { 479 error = copyout(data->curcmap_b, cursorp->cmap.blue, 2); 480 if (error) 481 return (error); 482 } 483 return (0); 484 } 485 486 487 /*****************************************************************************/ 488 489 /* 490 * Internal functions. 491 */ 492 493 #ifdef BT463_DEBUG 494 int bt463_store(void *v) 495 { 496 struct bt463data *data = (struct bt463data *)v; 497 498 data->changed = DATA_ALL_CHANGED; 499 data->ramdac_sched_update(data->cookie, bt463_update); 500 printf("Scheduled bt463 store\n"); 501 502 return 0; 503 } 504 505 506 int bt463_readback(void *v) 507 { 508 struct bt463data *data = (struct bt463data *)v; 509 510 data->ramdac_sched_update(data->cookie, bt463_copyback); 511 printf("Scheduled bt463 copyback\n"); 512 return 0; 513 } 514 515 int 516 bt463_debug(v) 517 void *v; 518 { 519 struct bt463data *data = (struct bt463data *)v; 520 int i; 521 u_int8_t val; 522 523 printf("BT463 main regs:\n"); 524 for (i = 0x200; i < 0x20F; i ++) { 525 val = BTRREG(data, i); 526 printf(" $%04x %02x\n", i, val); 527 } 528 529 printf("BT463 revision register:\n"); 530 val = BTRREG(data, 0x220); 531 printf(" $%04x %02x\n", 0x220, val); 532 533 printf("BT463 window type table (from softc):\n"); 534 535 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 536 printf("%02x %06x\n", i, data->window_type[i]); 537 } 538 539 return 0; 540 } 541 542 void 543 bt463_copyback(p) 544 void *p; 545 { 546 struct bt463data *data = (struct bt463data *)p; 547 int i; 548 549 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 550 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i); 551 data->window_type[i] = (BTRNREG(data) & 0xff); /* B0-7 */ 552 data->window_type[i] |= (BTRNREG(data) & 0xff) << 8; /* B8-15 */ 553 data->window_type[i] |= (BTRNREG(data) & 0xff) << 16; /* B16-23 */ 554 } 555 } 556 #endif 557 558 inline void 559 bt463_wraddr(data, ireg) 560 struct bt463data *data; 561 u_int16_t ireg; 562 { 563 data->ramdac_wr(data->cookie, BT463_REG_ADDR_LOW, ireg & 0xff); 564 data->ramdac_wr(data->cookie, BT463_REG_ADDR_HIGH, (ireg >> 8) & 0xff); 565 } 566 567 void 568 bt463_update(p) 569 void *p; 570 { 571 struct bt463data *data = (struct bt463data *)p; 572 int i, v; 573 574 if (console_data != NULL) { 575 /* The cookie passed in from sched_update is incorrect. Use the 576 * right one. 577 */ 578 data = console_data; 579 } 580 581 v = data->changed; 582 583 /* The Bt463 won't accept window type data except during a blanking 584 * interval, so we do this early in the interrupt. 585 * Blanking the screen might also be a good idea, but it can cause 586 * unpleasant flashing and is hard to do from this side of the 587 * ramdac interface. 588 */ 589 if (v & DATA_WTYPE_CHANGED) { 590 /* spit out the window type data */ 591 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 592 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i); 593 BTWNREG(data, (data->window_type[i]) & 0xff); /* B0-7 */ 594 BTWNREG(data, (data->window_type[i] >> 8) & 0xff); /* B8-15 */ 595 BTWNREG(data, (data->window_type[i] >> 16) & 0xff); /* B16-23 */ 596 } 597 } 598 599 if (v & DATA_CURCMAP_CHANGED) { 600 bt463_wraddr(data, BT463_IREG_CURSOR_COLOR_0); 601 /* spit out the cursor data */ 602 for (i = 0; i < 2; i++) { 603 BTWNREG(data, data->curcmap_r[i]); 604 BTWNREG(data, data->curcmap_g[i]); 605 BTWNREG(data, data->curcmap_b[i]); 606 } 607 } 608 609 if (v & DATA_CMAP_CHANGED) { 610 bt463_wraddr(data, BT463_IREG_CPALETTE_RAM); 611 /* spit out the colormap data */ 612 for (i = 0; i < BT463_NCMAP_ENTRIES; i++) { 613 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 614 data->cmap_r[i]); 615 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 616 data->cmap_g[i]); 617 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 618 data->cmap_b[i]); 619 } 620 } 621 622 data->changed = 0; 623 } 624 625 int bt463_set_cursor (rc, cur) 626 struct ramdac_cookie *rc; 627 struct wsdisplay_cursor *cur; 628 { 629 struct bt463data *data = (struct bt463data *)rc; 630 return tga_builtin_set_cursor(data->cookie, cur); 631 } 632 633 int bt463_get_cursor (rc, cur) 634 struct ramdac_cookie *rc; 635 struct wsdisplay_cursor *cur; 636 { 637 struct bt463data *data = (struct bt463data *)rc; 638 return tga_builtin_get_cursor(data->cookie, cur); 639 } 640 641 int bt463_set_curpos (rc, cur) 642 struct ramdac_cookie *rc; 643 struct wsdisplay_curpos *cur; 644 { 645 struct bt463data *data = (struct bt463data *)rc; 646 return tga_builtin_set_curpos(data->cookie, cur); 647 } 648 649 int bt463_get_curpos (rc, cur) 650 struct ramdac_cookie *rc; 651 struct wsdisplay_curpos *cur; 652 { 653 struct bt463data *data = (struct bt463data *)rc; 654 return tga_builtin_get_curpos(data->cookie, cur); 655 } 656 657 int bt463_get_curmax (rc, cur) 658 struct ramdac_cookie *rc; 659 struct wsdisplay_curpos *cur; 660 { 661 struct bt463data *data = (struct bt463data *)rc; 662 return tga_builtin_get_curmax(data->cookie, cur); 663 } 664