tfb.c revision 1.8
1 /* $NetBSD: tfb.c,v 1.8 1999/01/15 23:31:25 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Tohru Nishimura. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tohru Nishimura 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 35 __KERNEL_RCSID(0, "$NetBSD: tfb.c,v 1.8 1999/01/15 23:31:25 thorpej Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/malloc.h> 42 #include <sys/buf.h> 43 #include <sys/ioctl.h> 44 #include <vm/vm.h> 45 46 #include <machine/bus.h> 47 #include <machine/intr.h> 48 49 #include <dev/rcons/raster.h> 50 #include <dev/wscons/wsconsio.h> 51 #include <dev/wscons/wscons_raster.h> 52 #include <dev/wscons/wsdisplayvar.h> 53 #include <machine/autoconf.h> 54 55 #include <dev/tc/tcvar.h> 56 #include <dev/ic/bt463reg.h> 57 #include <dev/ic/bt431reg.h> 58 59 #include "opt_uvm.h" 60 #if defined(UVM) 61 #include <uvm/uvm_extern.h> 62 #define useracc uvm_useracc 63 #endif 64 65 /* XXX BUS'IFYING XXX */ 66 67 #if defined(pmax) 68 #define machine_btop(x) mips_btop(x) 69 #define MACHINE_KSEG0_TO_PHYS(x) MIPS_KSEG0_TO_PHYS(x) 70 71 struct bt463reg { 72 u_int8_t bt_lo; 73 unsigned : 24; 74 u_int8_t bt_hi; 75 unsigned : 24; 76 u_int8_t bt_reg; 77 unsigned : 24; 78 u_int8_t bt_cmap; 79 }; 80 81 /* 82 * N.B. a pair of Bt431s are located adjascently. 83 * struct bt431twin { 84 * struct { 85 * u_int8_t u0; for sprite image 86 * u_int8_t u1; for sprite mask 87 * unsigned :16; 88 * } bt_lo; 89 * ... 90 */ 91 struct bt431reg { 92 u_int16_t bt_lo; 93 unsigned : 16; 94 u_int16_t bt_hi; 95 unsigned : 16; 96 u_int16_t bt_ram; 97 unsigned : 16; 98 u_int16_t bt_ctl; 99 }; 100 #endif 101 102 #if defined(__alpha__) || defined(alpha) 103 #define machine_btop(x) alpha_btop(x) 104 #define MACHINE_KSEG0_TO_PHYS(x) ALPHA_K0SEG_TO_PHYS(x) 105 106 struct bt463reg { 107 u_int32_t bt_lo; 108 u_int32_t bt_hi; 109 u_int32_t bt_reg; 110 u_int32_t bt_cmap; 111 }; 112 113 struct bt431reg { 114 u_int32_t bt_lo; 115 u_int32_t bt_hi; 116 u_int32_t bt_ram; 117 u_int32_t bt_ctl; 118 }; 119 #endif 120 121 /* XXX XXX XXX */ 122 123 struct fb_devconfig { 124 vaddr_t dc_vaddr; /* memory space virtual base address */ 125 paddr_t dc_paddr; /* memory space physical base address */ 126 vsize_t dc_size; /* size of slot memory */ 127 int dc_wid; /* width of frame buffer */ 128 int dc_ht; /* height of frame buffer */ 129 int dc_depth; /* depth, bits per pixel */ 130 int dc_rowbytes; /* bytes in a FB scan line */ 131 vaddr_t dc_videobase; /* base of flat frame buffer */ 132 struct raster dc_raster; /* raster description */ 133 struct rcons dc_rcons; /* raster blitter control info */ 134 int dc_blanked; /* currently has video disabled */ 135 }; 136 137 struct hwcmap { 138 #define CMAP_SIZE 256 /* R/G/B entries */ 139 u_int8_t r[CMAP_SIZE]; 140 u_int8_t g[CMAP_SIZE]; 141 u_int8_t b[CMAP_SIZE]; 142 }; 143 144 struct hwcursor { 145 struct wsdisplay_curpos cc_pos; 146 struct wsdisplay_curpos cc_hot; 147 struct wsdisplay_curpos cc_size; 148 #define CURSOR_MAX_SIZE 64 149 u_int8_t cc_color[6]; 150 u_int64_t cc_image[64 + 64]; 151 }; 152 153 struct tfb_softc { 154 struct device sc_dev; 155 struct fb_devconfig *sc_dc; /* device configuration */ 156 struct hwcmap sc_cmap; /* software copy of colormap */ 157 struct hwcursor sc_cursor; /* software copy of cursor */ 158 int sc_curenb; /* cursor sprite enabled */ 159 int sc_changed; /* need update of colormap */ 160 #define DATA_ENB_CHANGED 0x01 /* cursor enable changed */ 161 #define DATA_CURCMAP_CHANGED 0x02 /* cursor colormap changed */ 162 #define DATA_CURSHAPE_CHANGED 0x04 /* cursor size, image, mask changed */ 163 #define DATA_CMAP_CHANGED 0x08 /* colormap changed */ 164 #define DATA_ALL_CHANGED 0x0f 165 int nscreens; 166 short magic_x, magic_y; /* TX cursor location offset */ 167 #define TX_MAGIC_X 220 168 #define TX_MAGIC_Y 35 169 }; 170 171 #define TX_BT463_OFFSET 0x040000 172 #define TX_BT431_OFFSET 0x040010 173 #define TX_CONTROL 0x040030 174 #define TX_MAP_REGISTER 0x040030 175 #define TX_PIP_OFFSET 0x0800c0 176 #define TX_SELECTION 0x100000 177 #define TX_8FB_OFFSET 0x200000 178 #define TX_8FB_SIZE 0x100000 179 #define TX_24FB_OFFSET 0x400000 180 #define TX_24FB_SIZE 0x400000 181 #define TX_VIDEO_ENABLE 0xa00000 182 183 #define TX_CTL_VIDEO_ON 0x80 184 #define TX_CTL_INT_ENA 0x40 185 #define TX_CTL_INT_PEND 0x20 186 #define TX_CTL_SEG_ENA 0x10 187 #define TX_CTL_SEG 0x0f 188 189 int tfbmatch __P((struct device *, struct cfdata *, void *)); 190 void tfbattach __P((struct device *, struct device *, void *)); 191 192 struct cfattach tfb_ca = { 193 sizeof(struct tfb_softc), tfbmatch, tfbattach, 194 }; 195 196 void tfb_getdevconfig __P((tc_addr_t, struct fb_devconfig *)); 197 struct fb_devconfig tfb_console_dc; 198 tc_addr_t tfb_consaddr; 199 200 struct wsdisplay_emulops tfb_emulops = { 201 rcons_cursor, /* could use hardware cursor; punt */ 202 rcons_mapchar, 203 rcons_putchar, 204 rcons_copycols, 205 rcons_erasecols, 206 rcons_copyrows, 207 rcons_eraserows, 208 rcons_alloc_attr 209 }; 210 211 struct wsscreen_descr tfb_stdscreen = { 212 "std", 0, 0, 213 &tfb_emulops, 214 0, 0, 215 0 216 }; 217 218 const struct wsscreen_descr *_tfb_scrlist[] = { 219 &tfb_stdscreen, 220 }; 221 222 struct wsscreen_list tfb_screenlist = { 223 sizeof(_tfb_scrlist) / sizeof(struct wsscreen_descr *), _tfb_scrlist 224 }; 225 226 int tfbioctl __P((void *, u_long, caddr_t, int, struct proc *)); 227 int tfbmmap __P((void *, off_t, int)); 228 229 int tfb_alloc_screen __P((void *, const struct wsscreen_descr *, 230 void **, int *, int *, long *)); 231 void tfb_free_screen __P((void *, void *)); 232 void tfb_show_screen __P((void *, void *)); 233 234 struct wsdisplay_accessops tfb_accessops = { 235 tfbioctl, 236 tfbmmap, 237 tfb_alloc_screen, 238 tfb_free_screen, 239 tfb_show_screen, 240 0 /* load_font */ 241 }; 242 243 int tfb_cnattach __P((tc_addr_t)); 244 int tfbintr __P((void *)); 245 void tfbinit __P((struct fb_devconfig *)); 246 247 static int get_cmap __P((struct tfb_softc *, struct wsdisplay_cmap *)); 248 static int set_cmap __P((struct tfb_softc *, struct wsdisplay_cmap *)); 249 static int set_cursor __P((struct tfb_softc *, struct wsdisplay_cursor *)); 250 static int get_cursor __P((struct tfb_softc *, struct wsdisplay_cursor *)); 251 static void set_curpos __P((struct tfb_softc *, struct wsdisplay_curpos *)); 252 static void bt431_set_curpos __P((struct tfb_softc *)); 253 254 #define TWIN_LO(x) (twin = (x) & 0x00ff, twin << 8 | twin) 255 #define TWIN_HI(x) (twin = (x) & 0xff00, twin | twin >> 8) 256 257 /* XXX XXX XXX */ 258 #define BT431_SELECT(curs, regno) do { \ 259 u_int16_t twin; \ 260 curs->bt_lo = TWIN_LO(regno); \ 261 curs->bt_hi = TWIN_HI(regno); \ 262 tc_wmb(); \ 263 } while (0) 264 265 #define BT463_SELECT(vdac, regno) do { \ 266 vdac->bt_lo = (regno) & 0x00ff; \ 267 vdac->bt_hi = ((regno)& 0xff00) >> 8; \ 268 tc_wmb(); \ 269 } while (0) 270 /* XXX XXX XXX */ 271 272 /* bit order reverse */ 273 const static u_int8_t flip[256] = { 274 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 275 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 276 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 277 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 278 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 279 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 280 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 281 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 282 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 283 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 284 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 285 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 286 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 287 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 288 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 289 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 290 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 291 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 292 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 293 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 294 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 295 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 296 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 297 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 298 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 299 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 300 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 301 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 302 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 303 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 304 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 305 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, 306 }; 307 308 int 309 tfbmatch(parent, match, aux) 310 struct device *parent; 311 struct cfdata *match; 312 void *aux; 313 { 314 struct tc_attach_args *ta = aux; 315 316 if (strncmp("PMAG-RO ", ta->ta_modname, TC_ROM_LLEN) != 0 317 && strncmp("PMAG-JA ", ta->ta_modname, TC_ROM_LLEN) != 0) 318 return (0); 319 320 return (1); 321 } 322 323 void 324 tfb_getdevconfig(dense_addr, dc) 325 tc_addr_t dense_addr; 326 struct fb_devconfig *dc; 327 { 328 struct raster *rap; 329 struct rcons *rcp; 330 int i; 331 332 dc->dc_vaddr = dense_addr; 333 dc->dc_paddr = MACHINE_KSEG0_TO_PHYS(dc->dc_vaddr); 334 335 dc->dc_wid = 1280; 336 dc->dc_ht = 1024; 337 dc->dc_depth = 8; 338 dc->dc_rowbytes = 1280; 339 dc->dc_videobase = dc->dc_vaddr + TX_8FB_OFFSET; 340 dc->dc_blanked = 0; 341 342 /* initialize colormap and cursor resource */ 343 tfbinit(dc); 344 345 /* clear the screen */ 346 for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t)) 347 *(u_int32_t *)(dc->dc_videobase + i) = 0x0; 348 349 /* initialize the raster */ 350 rap = &dc->dc_raster; 351 rap->width = dc->dc_wid; 352 rap->height = dc->dc_ht; 353 rap->depth = dc->dc_depth; 354 rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t); 355 rap->pixels = (u_int32_t *)dc->dc_videobase; 356 357 /* initialize the raster console blitter */ 358 rcp = &dc->dc_rcons; 359 rcp->rc_sp = rap; 360 rcp->rc_crow = rcp->rc_ccol = -1; 361 rcp->rc_crowp = &rcp->rc_crow; 362 rcp->rc_ccolp = &rcp->rc_ccol; 363 rcons_init(rcp, 34, 80); 364 365 tfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow; 366 tfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol; 367 } 368 369 void 370 tfbattach(parent, self, aux) 371 struct device *parent, *self; 372 void *aux; 373 { 374 struct tfb_softc *sc = (struct tfb_softc *)self; 375 struct tc_attach_args *ta = aux; 376 struct wsemuldisplaydev_attach_args waa; 377 struct hwcmap *cm; 378 int console, i; 379 380 console = (ta->ta_addr == tfb_consaddr); 381 if (console) { 382 sc->sc_dc = &tfb_console_dc; 383 sc->nscreens = 1; 384 } 385 else { 386 sc->sc_dc = (struct fb_devconfig *) 387 malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK); 388 tfb_getdevconfig(ta->ta_addr, sc->sc_dc); 389 } 390 printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht, 391 sc->sc_dc->dc_depth); 392 393 cm = &sc->sc_cmap; 394 cm->r[0] = cm->g[0] = cm->b[0] = 0; 395 for (i = 1; i < CMAP_SIZE; i++) { 396 cm->r[i] = cm->g[i] = cm->b[i] = 0xff; 397 } 398 sc->magic_x = TX_MAGIC_X; sc->magic_y = TX_MAGIC_Y; 399 400 tc_intr_establish(parent, ta->ta_cookie, TC_IPL_TTY, tfbintr, sc); 401 *(u_int8_t *)(sc->sc_dc->dc_vaddr + TX_CONTROL) &= ~0x40; 402 *(u_int8_t *)(sc->sc_dc->dc_vaddr + TX_CONTROL) |= 0x40; 403 404 waa.console = console; 405 waa.scrdata = &tfb_screenlist; 406 waa.accessops = &tfb_accessops; 407 waa.accesscookie = sc; 408 409 config_found(self, &waa, wsemuldisplaydevprint); 410 } 411 412 int 413 tfbioctl(v, cmd, data, flag, p) 414 void *v; 415 u_long cmd; 416 caddr_t data; 417 int flag; 418 struct proc *p; 419 { 420 struct tfb_softc *sc = v; 421 struct fb_devconfig *dc = sc->sc_dc; 422 int turnoff; 423 424 switch (cmd) { 425 case WSDISPLAYIO_GTYPE: 426 *(u_int *)data = /* WSDISPLAY_TYPE_TX */ 0x19980910; 427 return (0); 428 429 case WSDISPLAYIO_GINFO: 430 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 431 wsd_fbip->height = sc->sc_dc->dc_ht; 432 wsd_fbip->width = sc->sc_dc->dc_wid; 433 wsd_fbip->depth = sc->sc_dc->dc_depth; 434 wsd_fbip->cmsize = CMAP_SIZE; 435 #undef fbt 436 return (0); 437 438 case WSDISPLAYIO_GETCMAP: 439 return get_cmap(sc, (struct wsdisplay_cmap *)data); 440 441 case WSDISPLAYIO_PUTCMAP: 442 return set_cmap(sc, (struct wsdisplay_cmap *)data); 443 444 case WSDISPLAYIO_SVIDEO: 445 turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF; 446 if ((dc->dc_blanked == 0) ^ turnoff) { 447 dc->dc_blanked = turnoff; 448 /* XXX later XXX */ 449 } 450 return (0); 451 452 case WSDISPLAYIO_GVIDEO: 453 *(u_int *)data = dc->dc_blanked ? 454 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 455 return (0); 456 457 case WSDISPLAYIO_GCURPOS: 458 *(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos; 459 return (0); 460 461 case WSDISPLAYIO_SCURPOS: 462 set_curpos(sc, (struct wsdisplay_curpos *)data); 463 bt431_set_curpos(sc); 464 return (0); 465 466 case WSDISPLAYIO_GCURMAX: 467 ((struct wsdisplay_curpos *)data)->x = 468 ((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE; 469 return (0); 470 471 case WSDISPLAYIO_GCURSOR: 472 return get_cursor(sc, (struct wsdisplay_cursor *)data); 473 474 case WSDISPLAYIO_SCURSOR: 475 return set_cursor(sc, (struct wsdisplay_cursor *)data); 476 } 477 return (ENOTTY); 478 } 479 480 int 481 tfbmmap(v, offset, prot) 482 void *v; 483 off_t offset; 484 int prot; 485 { 486 struct tfb_softc *sc = v; 487 488 if (offset >= TX_8FB_SIZE || offset < 0) 489 return (-1); 490 return machine_btop(sc->sc_dc->dc_paddr + TX_8FB_OFFSET + offset); 491 } 492 493 int 494 tfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp) 495 void *v; 496 const struct wsscreen_descr *type; 497 void **cookiep; 498 int *curxp, *curyp; 499 long *attrp; 500 { 501 struct tfb_softc *sc = v; 502 long defattr; 503 504 if (sc->nscreens > 0) 505 return (ENOMEM); 506 507 *cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */ 508 *curxp = 0; 509 *curyp = 0; 510 rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr); 511 *attrp = defattr; 512 sc->nscreens++; 513 return (0); 514 } 515 516 void 517 tfb_free_screen(v, cookie) 518 void *v; 519 void *cookie; 520 { 521 struct tfb_softc *sc = v; 522 523 if (sc->sc_dc == &tfb_console_dc) 524 panic("tfb_free_screen: console"); 525 526 sc->nscreens--; 527 } 528 529 void 530 tfb_show_screen(v, cookie) 531 void *v; 532 void *cookie; 533 { 534 } 535 536 int 537 tfb_cnattach(addr) 538 tc_addr_t addr; 539 { 540 struct fb_devconfig *dcp = &tfb_console_dc; 541 long defattr; 542 543 tfb_getdevconfig(addr, dcp); 544 545 rcons_alloc_attr(&dcp->dc_rcons, 0, 0, 0, &defattr); 546 547 wsdisplay_cnattach(&tfb_stdscreen, &dcp->dc_rcons, 548 0, 0, defattr); 549 tfb_consaddr = addr; 550 return(0); 551 } 552 553 int 554 tfbintr(arg) 555 void *arg; 556 { 557 struct tfb_softc *sc = arg; 558 caddr_t tfbbase; 559 struct bt463reg *vdac; 560 struct bt431reg *curs; 561 int v; 562 563 if (sc->sc_changed == 0) 564 return (1); 565 566 tfbbase = (caddr_t)sc->sc_dc->dc_vaddr; 567 vdac = (void *)(tfbbase + TX_BT463_OFFSET); 568 curs = (void *)(tfbbase + TX_BT431_OFFSET); 569 *(u_int8_t *)(tfbbase + TX_CONTROL) &= ~0x40; 570 v = sc->sc_changed; 571 sc->sc_changed = 0; 572 if (v & DATA_ENB_CHANGED) { 573 BT431_SELECT(curs, BT431_REG_COMMAND); 574 curs->bt_ctl = (sc->sc_curenb) ? 0x4444 : 0x0404; 575 } 576 if (v & DATA_CURCMAP_CHANGED) { 577 u_int8_t *cp = sc->sc_cursor.cc_color; 578 579 BT463_SELECT(vdac, BT463_IREG_CURSOR_COLOR_0); 580 vdac->bt_reg = cp[1]; tc_wmb(); 581 vdac->bt_reg = cp[3]; tc_wmb(); 582 vdac->bt_reg = cp[5]; tc_wmb(); 583 584 vdac->bt_reg = cp[0]; tc_wmb(); 585 vdac->bt_reg = cp[2]; tc_wmb(); 586 vdac->bt_reg = cp[4]; tc_wmb(); 587 588 vdac->bt_reg = cp[1]; tc_wmb(); 589 vdac->bt_reg = cp[3]; tc_wmb(); 590 vdac->bt_reg = cp[5]; tc_wmb(); 591 592 vdac->bt_reg = cp[1]; tc_wmb(); 593 vdac->bt_reg = cp[3]; tc_wmb(); 594 vdac->bt_reg = cp[5]; tc_wmb(); 595 } 596 if (v & DATA_CURSHAPE_CHANGED) { 597 u_int8_t *ip, *mp, img, msk; 598 int bcnt; 599 600 ip = (u_int8_t *)sc->sc_cursor.cc_image; 601 mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_SIZE); 602 603 bcnt = 0; 604 BT431_SELECT(curs, BT431_REG_CRAM_BASE+0); 605 /* 64 pixel scan line is consisted with 16 byte cursor ram */ 606 while (bcnt < sc->sc_cursor.cc_size.y * 16) { 607 /* pad right half 32 pixel when smaller than 33 */ 608 if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) { 609 curs->bt_ram = 0; 610 tc_wmb(); 611 } 612 else { 613 img = *ip++; 614 msk = *mp++; 615 img &= msk; /* cookie off image */ 616 curs->bt_ram = (flip[msk] << 8) | flip[img]; 617 tc_wmb(); 618 } 619 bcnt += 2; 620 } 621 /* pad unoccupied scan lines */ 622 while (bcnt < CURSOR_MAX_SIZE * 16) { 623 curs->bt_ram = 0; 624 tc_wmb(); 625 bcnt += 2; 626 } 627 } 628 if (v & DATA_CMAP_CHANGED) { 629 struct hwcmap *cm = &sc->sc_cmap; 630 int index; 631 632 BT463_SELECT(vdac, BT463_IREG_CPALETTE_RAM); 633 for (index = 0; index < CMAP_SIZE; index++) { 634 vdac->bt_cmap = cm->r[index]; 635 vdac->bt_cmap = cm->g[index]; 636 vdac->bt_cmap = cm->b[index]; 637 } 638 } 639 *(u_int8_t *)(tfbbase + TX_CONTROL) |= 0x40; 640 return (1); 641 } 642 643 void 644 tfbinit(dc) 645 struct fb_devconfig *dc; 646 { 647 caddr_t tfbbase = (caddr_t)dc->dc_vaddr; 648 struct bt463reg *vdac = (void *)(tfbbase + TX_BT463_OFFSET); 649 struct bt431reg *curs = (void *)(tfbbase + TX_BT431_OFFSET); 650 int i; 651 652 BT463_SELECT(vdac, BT463_IREG_COMMAND_0); 653 vdac->bt_reg = 0x40; tc_wmb(); 654 vdac->bt_reg = 0x46; tc_wmb(); 655 vdac->bt_reg = 0xc0; tc_wmb(); 656 vdac->bt_reg = 0; tc_wmb(); /* !? 204 !? */ 657 vdac->bt_reg = 0xff; tc_wmb(); /* plane 0:7 */ 658 vdac->bt_reg = 0xff; tc_wmb(); /* plane 8:15 */ 659 vdac->bt_reg = 0xff; tc_wmb(); /* plane 16:23 */ 660 vdac->bt_reg = 0xff; tc_wmb(); /* plane 24:27 */ 661 vdac->bt_reg = 0x00; tc_wmb(); /* blink 0:7 */ 662 vdac->bt_reg = 0x00; tc_wmb(); /* blink 8:15 */ 663 vdac->bt_reg = 0x00; tc_wmb(); /* blink 16:23 */ 664 vdac->bt_reg = 0x00; tc_wmb(); /* blink 24:27 */ 665 vdac->bt_reg = 0x00; tc_wmb(); 666 667 BT463_SELECT(vdac, BT463_IREG_WINDOW_TYPE_TABLE); 668 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 669 vdac->bt_reg = /* ??? */ 0; 670 vdac->bt_reg = /* ??? */ 0; 671 vdac->bt_reg = /* ??? */ 0; 672 } 673 674 BT463_SELECT(vdac, BT463_IREG_CPALETTE_RAM); 675 vdac->bt_cmap = 0; tc_wmb(); 676 vdac->bt_cmap = 0; tc_wmb(); 677 vdac->bt_cmap = 0; tc_wmb(); 678 for (i = 1; i < BT463_NCMAP_ENTRIES; i++) { 679 vdac->bt_cmap = 0xff; tc_wmb(); 680 vdac->bt_cmap = 0xff; tc_wmb(); 681 vdac->bt_cmap = 0xff; tc_wmb(); 682 } 683 684 BT431_SELECT(curs, BT431_REG_COMMAND); 685 curs->bt_ctl = 0x0404; tc_wmb(); 686 curs->bt_ctl = 0; tc_wmb(); 687 curs->bt_ctl = 0; tc_wmb(); 688 curs->bt_ctl = 0; tc_wmb(); 689 curs->bt_ctl = 0; tc_wmb(); 690 curs->bt_ctl = 0; tc_wmb(); 691 curs->bt_ctl = 0; tc_wmb(); 692 curs->bt_ctl = 0; tc_wmb(); 693 curs->bt_ctl = 0; tc_wmb(); 694 curs->bt_ctl = 0; tc_wmb(); 695 curs->bt_ctl = 0; tc_wmb(); 696 curs->bt_ctl = 0; tc_wmb(); 697 curs->bt_ctl = 0; tc_wmb(); 698 } 699 700 static int 701 get_cmap(sc, p) 702 struct tfb_softc *sc; 703 struct wsdisplay_cmap *p; 704 { 705 u_int index = p->index, count = p->count; 706 707 if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) 708 return (EINVAL); 709 710 if (!useracc(p->red, count, B_WRITE) || 711 !useracc(p->green, count, B_WRITE) || 712 !useracc(p->blue, count, B_WRITE)) 713 return (EFAULT); 714 715 copyout(&sc->sc_cmap.r[index], p->red, count); 716 copyout(&sc->sc_cmap.g[index], p->green, count); 717 copyout(&sc->sc_cmap.b[index], p->blue, count); 718 719 return (0); 720 } 721 722 static int 723 set_cmap(sc, p) 724 struct tfb_softc *sc; 725 struct wsdisplay_cmap *p; 726 { 727 u_int index = p->index, count = p->count; 728 729 if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) 730 return (EINVAL); 731 732 if (!useracc(p->red, count, B_READ) || 733 !useracc(p->green, count, B_READ) || 734 !useracc(p->blue, count, B_READ)) 735 return (EFAULT); 736 737 copyin(p->red, &sc->sc_cmap.r[index], count); 738 copyin(p->green, &sc->sc_cmap.g[index], count); 739 copyin(p->blue, &sc->sc_cmap.b[index], count); 740 741 sc->sc_changed |= DATA_CMAP_CHANGED; 742 743 return (0); 744 } 745 746 static int 747 set_cursor(sc, p) 748 struct tfb_softc *sc; 749 struct wsdisplay_cursor *p; 750 { 751 #define cc (&sc->sc_cursor) 752 int v, index, count, icount; 753 754 v = p->which; 755 if (v & WSDISPLAY_CURSOR_DOCMAP) { 756 index = p->cmap.index; 757 count = p->cmap.count; 758 if (index >= 2 || (index + count) > 2) 759 return (EINVAL); 760 if (!useracc(p->cmap.red, count, B_READ) || 761 !useracc(p->cmap.green, count, B_READ) || 762 !useracc(p->cmap.blue, count, B_READ)) 763 return (EFAULT); 764 } 765 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 766 if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE) 767 return (EINVAL); 768 icount = ((p->size.x < 33) ? 4 : 8) * p->size.y; 769 if (!useracc(p->image, count, B_READ) || 770 !useracc(p->mask, count, B_READ)) 771 return (EFAULT); 772 } 773 if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOCUR)) { 774 if (v & WSDISPLAY_CURSOR_DOCUR) 775 cc->cc_hot = p->hot; 776 if (v & WSDISPLAY_CURSOR_DOPOS) 777 set_curpos(sc, &p->pos); 778 bt431_set_curpos(sc); 779 } 780 781 sc->sc_changed = 0; 782 if (v & WSDISPLAY_CURSOR_DOCUR) { 783 sc->sc_curenb = p->enable; 784 sc->sc_changed |= DATA_ENB_CHANGED; 785 } 786 if (v & WSDISPLAY_CURSOR_DOCMAP) { 787 copyin(p->cmap.red, &cc->cc_color[index], count); 788 copyin(p->cmap.green, &cc->cc_color[index + 2], count); 789 copyin(p->cmap.blue, &cc->cc_color[index + 4], count); 790 sc->sc_changed |= DATA_CURCMAP_CHANGED; 791 } 792 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 793 cc->cc_size = p->size; 794 memset(cc->cc_image, 0, sizeof cc->cc_image); 795 copyin(p->image, cc->cc_image, icount); 796 copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, icount); 797 sc->sc_changed |= DATA_CURSHAPE_CHANGED; 798 } 799 800 return (0); 801 #undef cc 802 } 803 804 static int 805 get_cursor(sc, p) 806 struct tfb_softc *sc; 807 struct wsdisplay_cursor *p; 808 { 809 return (ENOTTY); /* XXX */ 810 } 811 812 static void 813 set_curpos(sc, curpos) 814 struct tfb_softc *sc; 815 struct wsdisplay_curpos *curpos; 816 { 817 struct fb_devconfig *dc = sc->sc_dc; 818 int x = curpos->x, y = curpos->y; 819 820 if (y < 0) 821 y = 0; 822 else if (y > dc->dc_ht) 823 y = dc->dc_ht; 824 if (x < 0) 825 x = 0; 826 else if (x > dc->dc_wid) 827 x = dc->dc_wid; 828 sc->sc_cursor.cc_pos.x = x; 829 sc->sc_cursor.cc_pos.y = y; 830 } 831 832 static void 833 bt431_set_curpos(sc) 834 struct tfb_softc *sc; 835 { 836 caddr_t tfbbase = (caddr_t)sc->sc_dc->dc_vaddr; 837 struct bt431reg *curs = (void *)(tfbbase + TX_BT431_OFFSET); 838 u_int16_t twin; 839 int x, y, s; 840 841 x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x; 842 y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y; 843 x += sc->magic_x; y += sc->magic_y; /* magic offset of TX coordinate */ 844 845 s = spltty(); 846 847 BT431_SELECT(curs, BT431_REG_CURSOR_X_LOW); 848 curs->bt_ctl = TWIN_LO(x); tc_wmb(); 849 curs->bt_ctl = TWIN_HI(x); tc_wmb(); 850 curs->bt_ctl = TWIN_LO(y); tc_wmb(); 851 curs->bt_ctl = TWIN_HI(y); tc_wmb(); 852 853 splx(s); 854 } 855
Indexes created Mon Oct 13 21:09:55 GMT 2025