1 /* $NetBSD: bt463.c,v 1.14 2009/03/14 15:36:17 dsl 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 1.14 2009/03/14 15:36:17 dsl 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(struct ramdac_cookie *rc) 243 { 244 struct bt463data *data = (struct bt463data *)rc; 245 246 int i; 247 248 /* 249 * Init the BT463 for normal operation. 250 */ 251 252 253 /* 254 * Setup: 255 * reg 0: 4:1 multiplexing, 25/75 blink. 256 * reg 1: Overlay mapping: mapped to common palette, 257 * 14 window type entries, 24-plane configuration mode, 258 * 4 overlay planes, underlays disabled, no cursor. 259 * reg 2: sync-on-green enabled, pedestal enabled. 260 */ 261 262 BTWREG(data, BT463_IREG_COMMAND_0, 0x40); 263 BTWREG(data, BT463_IREG_COMMAND_1, 0x48); 264 BTWREG(data, BT463_IREG_COMMAND_2, 0x40); 265 266 /* 267 * Initialize the read mask. 268 */ 269 bt463_wraddr(data, BT463_IREG_READ_MASK_P0_P7); 270 for (i = 0; i < 4; i++) 271 BTWNREG(data, 0xff); 272 273 /* 274 * Initialize the blink mask. 275 */ 276 bt463_wraddr(data, BT463_IREG_BLINK_MASK_P0_P7); 277 for (i = 0; i < 4; i++) 278 BTWNREG(data, 0); 279 280 281 /* 282 * Clear test register 283 */ 284 BTWREG(data, BT463_IREG_TEST, 0); 285 286 /* 287 * Initialize the RAMDAC info struct to hold all of our 288 * data, and fill it in. 289 */ 290 data->changed = DATA_ALL_CHANGED; 291 292 /* initial cursor colormap: 0 is black, 1 is white */ 293 data->curcmap_r[0] = data->curcmap_g[0] = data->curcmap_b[0] = 0; 294 data->curcmap_r[1] = data->curcmap_g[1] = data->curcmap_b[1] = 0xff; 295 296 /* Initial colormap: 0 is black, everything else is white */ 297 data->cmap_r[0] = data->cmap_g[0] = data->cmap_b[0] = 0; 298 for (i = 1; i < 256; i++) 299 data->cmap_r[i] = data->cmap_g[i] = data->cmap_b[i] = 255; 300 301 302 /* Initialize the window type table: 303 * 304 * Entry 0: 24-plane truecolor, overlays enabled, bypassed. 305 * 306 * Lookup table bypass: yes ( 1 << 23 & 0x800000) 800000 307 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0 308 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 1e000 309 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0 310 * Display mode: Truecolor ( 0 << 9 & 0x000e00) 000 311 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 100 312 * Plane shift: 0 ( 0 << 0 & 0x00001f) 0 313 * -------- 314 * 0x81e100 315 */ 316 data->window_type[0] = 0x81e100; 317 318 /* Entry 1: 8-plane pseudocolor in the bottom 8 bits, 319 * overlays enabled, colormap starting at 0. 320 * 321 * Lookup table bypass: no ( 0 << 23 & 0x800000) 0 322 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0 323 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 0x1e000 324 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0 325 * Display mode: Pseudocolor ( 1 << 9 & 0x000e00) 0x200 326 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 0x100 327 * Plane shift: 16 ( 0x10 << 0 & 0x00001f) 10 328 * -------- 329 * 0x01e310 330 */ 331 data->window_type[1] = 0x01e310; 332 333 /* The colormap interface to the world only supports one colormap, 334 * so having an entry for the 'alternate' colormap in the bt463 335 * probably isn't useful. 336 */ 337 338 /* Fill the remaining table entries with clones of entry 0 until we 339 * figure out a better use for them. 340 */ 341 342 for (i = 2; i < BT463_NWTYPE_ENTRIES; i++) { 343 data->window_type[i] = 0x81e100; 344 } 345 346 data->ramdac_sched_update(data->cookie, bt463_update); 347 348 } 349 350 int 351 bt463_set_cmap(struct ramdac_cookie *rc, struct wsdisplay_cmap *cmapp) 352 { 353 struct bt463data *data = (struct bt463data *)rc; 354 u_int count, index; 355 uint8_t r[BT463_NCMAP_ENTRIES]; 356 uint8_t g[BT463_NCMAP_ENTRIES]; 357 uint8_t b[BT463_NCMAP_ENTRIES]; 358 int s, error; 359 360 if (cmapp->index >= BT463_NCMAP_ENTRIES || 361 cmapp->count > BT463_NCMAP_ENTRIES - cmapp->index) 362 return (EINVAL); 363 364 index = cmapp->index; 365 count = cmapp->count; 366 error = copyin(cmapp->red, &r[index], count); 367 if (error) 368 return error; 369 error = copyin(cmapp->green, &g[index], count); 370 if (error) 371 return error; 372 error = copyin(cmapp->blue, &b[index], count); 373 if (error) 374 return error; 375 s = spltty(); 376 memcpy(&data->cmap_r[index], &r[index], count); 377 memcpy(&data->cmap_g[index], &g[index], count); 378 memcpy(&data->cmap_b[index], &b[index], count); 379 data->changed |= DATA_CMAP_CHANGED; 380 data->ramdac_sched_update(data->cookie, bt463_update); 381 splx(s); 382 return (0); 383 } 384 385 int 386 bt463_get_cmap(struct ramdac_cookie *rc, struct wsdisplay_cmap *cmapp) 387 { 388 struct bt463data *data = (struct bt463data *)rc; 389 u_int count, index; 390 int error; 391 392 if (cmapp->index >= BT463_NCMAP_ENTRIES || 393 cmapp->count > BT463_NCMAP_ENTRIES - cmapp->index) 394 return (EINVAL); 395 396 count = cmapp->count; 397 index = cmapp->index; 398 399 error = copyout(&data->cmap_r[index], cmapp->red, count); 400 if (error) 401 return (error); 402 error = copyout(&data->cmap_g[index], cmapp->green, count); 403 if (error) 404 return (error); 405 error = copyout(&data->cmap_b[index], cmapp->blue, count); 406 return (error); 407 } 408 409 int 410 bt463_check_curcmap(struct ramdac_cookie *rc, struct wsdisplay_cursor *cursorp) 411 { 412 struct bt463data *data = (struct bt463data *)rc; 413 int count, index, error; 414 415 if (cursorp->cmap.index > 2 || 416 (cursorp->cmap.index + cursorp->cmap.count) > 2) 417 return (EINVAL); 418 count = cursorp->cmap.count; 419 index = cursorp->cmap.index; 420 error = copyin(cursorp->cmap.red, &data->tmpcurcmap_r[index], count); 421 if (error) 422 return error; 423 error = copyin(cursorp->cmap.green, &data->tmpcurcmap_g[index], count); 424 if (error) 425 return error; 426 error = copyin(cursorp->cmap.blue, &data->tmpcurcmap_b[index], count); 427 if (error) 428 return error; 429 return (0); 430 } 431 432 void 433 bt463_set_curcmap(struct ramdac_cookie *rc, struct wsdisplay_cursor *cursorp) 434 { 435 struct bt463data *data = (struct bt463data *)rc; 436 int count, index; 437 438 count = cursorp->cmap.count; 439 index = cursorp->cmap.index; 440 memcpy(&data->curcmap_r[index], &data->tmpcurcmap_r[index], count); 441 memcpy(&data->curcmap_g[index], &data->tmpcurcmap_g[index], count); 442 memcpy(&data->curcmap_b[index], &data->tmpcurcmap_b[index], count); 443 data->changed |= DATA_CURCMAP_CHANGED; 444 data->ramdac_sched_update(data->cookie, bt463_update); 445 } 446 447 int 448 bt463_get_curcmap(struct ramdac_cookie *rc, struct wsdisplay_cursor *cursorp) 449 { 450 struct bt463data *data = (struct bt463data *)rc; 451 int error; 452 453 cursorp->cmap.index = 0; /* DOCMAP */ 454 cursorp->cmap.count = 2; 455 if (cursorp->cmap.red != NULL) { 456 error = copyout(data->curcmap_r, cursorp->cmap.red, 2); 457 if (error) 458 return (error); 459 } 460 if (cursorp->cmap.green != NULL) { 461 error = copyout(data->curcmap_g, cursorp->cmap.green, 2); 462 if (error) 463 return (error); 464 } 465 if (cursorp->cmap.blue != NULL) { 466 error = copyout(data->curcmap_b, cursorp->cmap.blue, 2); 467 if (error) 468 return (error); 469 } 470 return (0); 471 } 472 473 474 /*****************************************************************************/ 475 476 /* 477 * Internal functions. 478 */ 479 480 #ifdef BT463_DEBUG 481 int bt463_store(void *v) 482 { 483 struct bt463data *data = (struct bt463data *)v; 484 485 data->changed = DATA_ALL_CHANGED; 486 data->ramdac_sched_update(data->cookie, bt463_update); 487 printf("Scheduled bt463 store\n"); 488 489 return 0; 490 } 491 492 493 int bt463_readback(void *v) 494 { 495 struct bt463data *data = (struct bt463data *)v; 496 497 data->ramdac_sched_update(data->cookie, bt463_copyback); 498 printf("Scheduled bt463 copyback\n"); 499 return 0; 500 } 501 502 int 503 bt463_debug(void *v) 504 { 505 struct bt463data *data = (struct bt463data *)v; 506 int i; 507 u_int8_t val; 508 509 printf("BT463 main regs:\n"); 510 for (i = 0x200; i < 0x20F; i ++) { 511 val = BTRREG(data, i); 512 printf(" $%04x %02x\n", i, val); 513 } 514 515 printf("BT463 revision register:\n"); 516 val = BTRREG(data, 0x220); 517 printf(" $%04x %02x\n", 0x220, val); 518 519 printf("BT463 window type table (from softc):\n"); 520 521 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 522 printf("%02x %06x\n", i, data->window_type[i]); 523 } 524 525 return 0; 526 } 527 528 void 529 bt463_copyback(void *p) 530 { 531 struct bt463data *data = (struct bt463data *)p; 532 int i; 533 534 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 535 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i); 536 data->window_type[i] = (BTRNREG(data) & 0xff); /* B0-7 */ 537 data->window_type[i] |= (BTRNREG(data) & 0xff) << 8; /* B8-15 */ 538 data->window_type[i] |= (BTRNREG(data) & 0xff) << 16; /* B16-23 */ 539 } 540 } 541 #endif 542 543 inline void 544 bt463_wraddr(struct bt463data *data, u_int16_t ireg) 545 { 546 data->ramdac_wr(data->cookie, BT463_REG_ADDR_LOW, ireg & 0xff); 547 data->ramdac_wr(data->cookie, BT463_REG_ADDR_HIGH, (ireg >> 8) & 0xff); 548 } 549 550 void 551 bt463_update(void *p) 552 { 553 struct bt463data *data = (struct bt463data *)p; 554 int i, v; 555 556 if (console_data != NULL) { 557 /* The cookie passed in from sched_update is incorrect. Use the 558 * right one. 559 */ 560 data = console_data; 561 } 562 563 v = data->changed; 564 565 /* The Bt463 won't accept window type data except during a blanking 566 * interval, so we do this early in the interrupt. 567 * Blanking the screen might also be a good idea, but it can cause 568 * unpleasant flashing and is hard to do from this side of the 569 * ramdac interface. 570 */ 571 if (v & DATA_WTYPE_CHANGED) { 572 /* spit out the window type data */ 573 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 574 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i); 575 BTWNREG(data, (data->window_type[i]) & 0xff); /* B0-7 */ 576 BTWNREG(data, (data->window_type[i] >> 8) & 0xff); /* B8-15 */ 577 BTWNREG(data, (data->window_type[i] >> 16) & 0xff); /* B16-23 */ 578 } 579 } 580 581 if (v & DATA_CURCMAP_CHANGED) { 582 bt463_wraddr(data, BT463_IREG_CURSOR_COLOR_0); 583 /* spit out the cursor data */ 584 for (i = 0; i < 2; i++) { 585 BTWNREG(data, data->curcmap_r[i]); 586 BTWNREG(data, data->curcmap_g[i]); 587 BTWNREG(data, data->curcmap_b[i]); 588 } 589 } 590 591 if (v & DATA_CMAP_CHANGED) { 592 bt463_wraddr(data, BT463_IREG_CPALETTE_RAM); 593 /* spit out the colormap data */ 594 for (i = 0; i < BT463_NCMAP_ENTRIES; i++) { 595 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 596 data->cmap_r[i]); 597 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 598 data->cmap_g[i]); 599 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA, 600 data->cmap_b[i]); 601 } 602 } 603 604 data->changed = 0; 605 } 606 607 int bt463_set_cursor (rc, cur) 608 struct ramdac_cookie *rc; 609 struct wsdisplay_cursor *cur; 610 { 611 struct bt463data *data = (struct bt463data *)rc; 612 return tga_builtin_set_cursor(data->cookie, cur); 613 } 614 615 int bt463_get_cursor (rc, cur) 616 struct ramdac_cookie *rc; 617 struct wsdisplay_cursor *cur; 618 { 619 struct bt463data *data = (struct bt463data *)rc; 620 return tga_builtin_get_cursor(data->cookie, cur); 621 } 622 623 int bt463_set_curpos (rc, cur) 624 struct ramdac_cookie *rc; 625 struct wsdisplay_curpos *cur; 626 { 627 struct bt463data *data = (struct bt463data *)rc; 628 return tga_builtin_set_curpos(data->cookie, cur); 629 } 630 631 int bt463_get_curpos (rc, cur) 632 struct ramdac_cookie *rc; 633 struct wsdisplay_curpos *cur; 634 { 635 struct bt463data *data = (struct bt463data *)rc; 636 return tga_builtin_get_curpos(data->cookie, cur); 637 } 638 639 int bt463_get_curmax (rc, cur) 640 struct ramdac_cookie *rc; 641 struct wsdisplay_curpos *cur; 642 { 643 struct bt463data *data = (struct bt463data *)rc; 644 return tga_builtin_get_curmax(data->cookie, cur); 645 } 646