tfb.c revision 1.33
1 /* $NetBSD: tfb.c,v 1.33 2002/03/13 15:05:16 ad Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 1999 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> 34 __KERNEL_RCSID(0, "$NetBSD: tfb.c,v 1.33 2002/03/13 15:05:16 ad Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/buf.h> 42 #include <sys/ioctl.h> 43 44 #include <machine/bus.h> 45 #include <machine/intr.h> 46 47 #include <dev/wscons/wsconsio.h> 48 #include <dev/wscons/wsdisplayvar.h> 49 50 #include <dev/rasops/rasops.h> 51 #include <dev/wsfont/wsfont.h> 52 53 #include <dev/tc/tcvar.h> 54 #include <dev/ic/bt463reg.h> 55 #include <dev/ic/bt431reg.h> 56 57 #include <uvm/uvm_extern.h> 58 59 #if defined(pmax) 60 #define machine_btop(x) mips_btop(MIPS_KSEG1_TO_PHYS(x)) 61 62 /* 63 * struct bt463reg { 64 * u_int8_t bt_lo; 65 * unsigned : 24; 66 * u_int8_t bt_hi; 67 * unsigned : 24; 68 * u_int8_t bt_reg; 69 * unsigned : 24; 70 * u_int8_t bt_cmap; 71 * }; 72 * 73 * N.B. a pair of Bt431s are located adjascently. 74 * struct bt431twin { 75 * struct { 76 * u_int8_t u0; for sprite mask 77 * u_int8_t u1; for sprite image 78 * unsigned :16; 79 * } bt_lo; 80 * ... 81 * 82 * struct bt431reg { 83 * u_int16_t bt_lo; 84 * unsigned : 16; 85 * u_int16_t bt_hi; 86 * unsigned : 16; 87 * u_int16_t bt_ram; 88 * unsigned : 16; 89 * u_int16_t bt_ctl; 90 * }; 91 */ 92 93 #define BYTE(base, index) *((u_int8_t *)(base) + ((index)<<2)) 94 #define HALF(base, index) *((u_int16_t *)(base) + ((index)<<1)) 95 96 #endif 97 98 #if defined(alpha) 99 #define machine_btop(x) alpha_btop(ALPHA_K0SEG_TO_PHYS(x)) 100 101 /* 102 * struct bt463reg { 103 * u_int32_t bt_lo; 104 * u_int32_t bt_hi; 105 * u_int32_t bt_reg; 106 * u_int32_t bt_cmap; 107 * }; 108 * 109 * struct bt431reg { 110 * u_int32_t bt_lo; 111 * u_int32_t bt_hi; 112 * u_int32_t bt_ram; 113 * u_int32_t bt_ctl; 114 * }; 115 */ 116 117 #define BYTE(base, index) *((u_int32_t *)(base) + (index)) 118 #define HALF(base, index) *((u_int32_t *)(base) + (index)) 119 120 #endif 121 122 /* Bt463 hardware registers */ 123 #define bt_lo 0 124 #define bt_hi 1 125 #define bt_reg 2 126 #define bt_cmap 3 127 128 /* Bt431 hardware registers */ 129 #define bt_ram 2 130 #define bt_ctl 3 131 132 #define SELECT463(vdac, regno) do { \ 133 BYTE(vdac, bt_lo) = (regno) & 0x00ff; \ 134 BYTE(vdac, bt_hi) = ((regno)& 0xff00) >> 8; \ 135 tc_wmb(); \ 136 } while (0) 137 138 #define TWIN(x) ((x) | ((x) << 8)) 139 #define TWIN_LO(x) (twin = (x) & 0x00ff, (twin << 8) | twin) 140 #define TWIN_HI(x) (twin = (x) & 0xff00, twin | (twin >> 8)) 141 142 #define SELECT431(curs, regno) do { \ 143 HALF(curs, bt_lo) = TWIN(regno);\ 144 HALF(curs, bt_hi) = 0; \ 145 tc_wmb(); \ 146 } while (0) 147 148 struct hwcmap256 { 149 #define CMAP_SIZE 256 /* R/G/B entries */ 150 u_int8_t r[CMAP_SIZE]; 151 u_int8_t g[CMAP_SIZE]; 152 u_int8_t b[CMAP_SIZE]; 153 }; 154 155 struct hwcursor64 { 156 struct wsdisplay_curpos cc_pos; 157 struct wsdisplay_curpos cc_hot; 158 struct wsdisplay_curpos cc_size; 159 struct wsdisplay_curpos cc_magic; 160 #define CURSOR_MAX_SIZE 64 161 u_int8_t cc_color[6]; 162 u_int64_t cc_image[64 + 64]; 163 }; 164 165 struct tfb_softc { 166 struct device sc_dev; 167 vaddr_t sc_vaddr; 168 size_t sc_size; 169 struct rasops_info *sc_ri; 170 struct hwcmap256 sc_cmap; /* software copy of colormap */ 171 struct hwcursor64 sc_cursor; /* software copy of cursor */ 172 int sc_blanked; /* video visibility disabled */ 173 int sc_curenb; /* cursor sprite enabled */ 174 int sc_changed; /* need update of hardware */ 175 #define WSDISPLAY_CMAP_DOLUT 0x20 176 int nscreens; 177 }; 178 179 #define TX_MAGIC_X 360 180 #define TX_MAGIC_Y 36 181 182 #define TX_BT463_OFFSET 0x040000 183 #define TX_BT431_OFFSET 0x040010 184 #define TX_CONTROL 0x040030 185 #define TX_MAP_REGISTER 0x040030 186 #define TX_PIP_OFFSET 0x0800c0 187 #define TX_SELECTION 0x100000 188 #define TX_8BPP_OFFSET 0x200000 189 #define TX_8BPP_SIZE 0x200000 190 #define TX_24BPP_OFFSET 0x400000 191 #define TX_24BPP_SIZE 0x600000 192 #define TX_VIDEO_ENABLE 0xa00000 193 194 #define TX_CTL_VIDEO_ON 0x80 195 #define TX_CTL_INT_ENA 0x40 196 #define TX_CTL_INT_PEND 0x20 197 #define TX_CTL_SEG_ENA 0x10 198 #define TX_CTL_SEG 0x0f 199 200 static int tfbmatch __P((struct device *, struct cfdata *, void *)); 201 static void tfbattach __P((struct device *, struct device *, void *)); 202 203 const struct cfattach tfb_ca = { 204 sizeof(struct tfb_softc), tfbmatch, tfbattach, 205 }; 206 207 static void tfb_common_init __P((struct rasops_info *)); 208 static struct rasops_info tfb_console_ri; 209 static tc_addr_t tfb_consaddr; 210 211 static struct wsscreen_descr tfb_stdscreen = { 212 "std", 0, 0, 213 0, /* textops */ 214 0, 0, 215 WSSCREEN_REVERSE 216 }; 217 218 static const struct wsscreen_descr *_tfb_scrlist[] = { 219 &tfb_stdscreen, 220 }; 221 222 static const struct wsscreen_list tfb_screenlist = { 223 sizeof(_tfb_scrlist) / sizeof(struct wsscreen_descr *), _tfb_scrlist 224 }; 225 226 static int tfbioctl __P((void *, u_long, caddr_t, int, struct proc *)); 227 static paddr_t tfbmmap __P((void *, off_t, int)); 228 229 static int tfb_alloc_screen __P((void *, const struct wsscreen_descr *, 230 void **, int *, int *, long *)); 231 static void tfb_free_screen __P((void *, void *)); 232 static int tfb_show_screen __P((void *, void *, int, 233 void (*) (void *, int, int), void *)); 234 235 static const struct wsdisplay_accessops tfb_accessops = { 236 tfbioctl, 237 tfbmmap, 238 tfb_alloc_screen, 239 tfb_free_screen, 240 tfb_show_screen, 241 0 /* load_font */ 242 }; 243 244 int tfb_cnattach __P((tc_addr_t)); 245 static int tfbintr __P((void *)); 246 static void tfbhwinit __P((caddr_t)); 247 248 static int get_cmap __P((struct tfb_softc *, struct wsdisplay_cmap *)); 249 static int set_cmap __P((struct tfb_softc *, struct wsdisplay_cmap *)); 250 static int set_cursor __P((struct tfb_softc *, struct wsdisplay_cursor *)); 251 static int get_cursor __P((struct tfb_softc *, struct wsdisplay_cursor *)); 252 static void set_curpos __P((struct tfb_softc *, struct wsdisplay_curpos *)); 253 254 /* bit order reverse */ 255 static const u_int8_t flip[256] = { 256 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 257 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 258 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 259 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 260 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 261 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 262 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 263 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 264 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 265 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 266 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 267 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 268 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 269 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 270 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 271 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 272 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 273 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 274 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 275 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 276 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 277 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 278 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 279 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 280 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 281 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 282 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 283 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 284 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 285 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 286 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 287 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, 288 }; 289 290 static int 291 tfbmatch(parent, match, aux) 292 struct device *parent; 293 struct cfdata *match; 294 void *aux; 295 { 296 struct tc_attach_args *ta = aux; 297 298 if (strncmp("PMAG-RO ", ta->ta_modname, TC_ROM_LLEN) != 0 299 && strncmp("PMAG-JA ", ta->ta_modname, TC_ROM_LLEN) != 0) 300 return (0); 301 302 return (1); 303 } 304 305 306 static void 307 tfbattach(parent, self, aux) 308 struct device *parent, *self; 309 void *aux; 310 { 311 struct tfb_softc *sc = (struct tfb_softc *)self; 312 struct tc_attach_args *ta = aux; 313 struct rasops_info *ri; 314 struct wsemuldisplaydev_attach_args waa; 315 struct hwcmap256 *cm; 316 const u_int8_t *p; 317 int console, index; 318 319 console = (ta->ta_addr == tfb_consaddr); 320 if (console) { 321 sc->sc_ri = ri = &tfb_console_ri; 322 sc->nscreens = 1; 323 } 324 else { 325 MALLOC(ri, struct rasops_info *, sizeof(struct rasops_info), 326 M_DEVBUF, M_NOWAIT); 327 if (ri == NULL) { 328 printf(": can't alloc memory\n"); 329 return; 330 } 331 memset(ri, 0, sizeof(struct rasops_info)); 332 333 ri->ri_hw = (void *)ta->ta_addr; 334 tfb_common_init(ri); 335 sc->sc_ri = ri; 336 } 337 printf(": %dx%d, 8,24bpp\n", ri->ri_width, ri->ri_height); 338 339 cm = &sc->sc_cmap; 340 p = rasops_cmap; 341 for (index = 0; index < CMAP_SIZE; index++, p += 3) { 342 cm->r[index] = p[0]; 343 cm->g[index] = p[1]; 344 cm->b[index] = p[2]; 345 } 346 347 sc->sc_vaddr = ta->ta_addr; 348 sc->sc_cursor.cc_magic.x = TX_MAGIC_X; 349 sc->sc_cursor.cc_magic.y = TX_MAGIC_Y; 350 sc->sc_blanked = sc->sc_curenb = 0; 351 352 tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, tfbintr, sc); 353 354 *(u_int8_t *)((caddr_t)ri->ri_hw + TX_CONTROL) &= ~0x40; 355 *(u_int8_t *)((caddr_t)ri->ri_hw + TX_CONTROL) |= 0x40; 356 357 waa.console = console; 358 waa.scrdata = &tfb_screenlist; 359 waa.accessops = &tfb_accessops; 360 waa.accesscookie = sc; 361 362 config_found(self, &waa, wsemuldisplaydevprint); 363 } 364 365 static void 366 tfb_common_init(ri) 367 struct rasops_info *ri; 368 { 369 caddr_t base; 370 int cookie; 371 372 base = (caddr_t)ri->ri_hw; 373 374 /* initialize colormap and cursor hardware */ 375 tfbhwinit(base); 376 377 ri->ri_flg = RI_CENTER; 378 ri->ri_depth = 8; 379 ri->ri_width = 1280; 380 ri->ri_height = 1024; 381 ri->ri_stride = 1280; 382 ri->ri_bits = base + TX_8BPP_OFFSET; 383 384 /* clear the screen */ 385 memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height); 386 387 wsfont_init(); 388 /* prefer 12 pixel wide font */ 389 cookie = wsfont_find(NULL, 12, 0, 0, WSDISPLAY_FONTORDER_L2R, 390 WSDISPLAY_FONTORDER_L2R); 391 if (cookie <= 0) 392 cookie = wsfont_find(NULL, 0, 0, 0, WSDISPLAY_FONTORDER_L2R, 393 WSDISPLAY_FONTORDER_L2R); 394 if (cookie <= 0) { 395 printf("tfb: font table is empty\n"); 396 return; 397 } 398 399 if (wsfont_lock(cookie, &ri->ri_font)) { 400 printf("tfb: couldn't lock font\n"); 401 return; 402 } 403 ri->ri_wsfcookie = cookie; 404 405 rasops_init(ri, 34, 80); 406 407 /* XXX shouldn't be global */ 408 tfb_stdscreen.nrows = ri->ri_rows; 409 tfb_stdscreen.ncols = ri->ri_cols; 410 tfb_stdscreen.textops = &ri->ri_ops; 411 tfb_stdscreen.capabilities = ri->ri_caps; 412 } 413 414 static int 415 tfbioctl(v, cmd, data, flag, p) 416 void *v; 417 u_long cmd; 418 caddr_t data; 419 int flag; 420 struct proc *p; 421 { 422 struct tfb_softc *sc = v; 423 struct rasops_info *ri = sc->sc_ri; 424 int turnoff; 425 426 switch (cmd) { 427 case WSDISPLAYIO_GTYPE: 428 *(u_int *)data = WSDISPLAY_TYPE_TX; 429 return (0); 430 431 case WSDISPLAYIO_GINFO: 432 #define wsd_fbip ((struct wsdisplay_fbinfo *)data) 433 wsd_fbip->height = ri->ri_height; 434 wsd_fbip->width = ri->ri_width; 435 wsd_fbip->depth = ri->ri_depth; 436 wsd_fbip->cmsize = CMAP_SIZE; 437 #undef fbt 438 return (0); 439 440 case WSDISPLAYIO_GETCMAP: 441 return get_cmap(sc, (struct wsdisplay_cmap *)data); 442 443 case WSDISPLAYIO_PUTCMAP: 444 return set_cmap(sc, (struct wsdisplay_cmap *)data); 445 446 case WSDISPLAYIO_SVIDEO: 447 turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF; 448 if ((sc->sc_blanked == 0) ^ turnoff) { 449 sc->sc_blanked = turnoff; 450 #if 0 /* XXX later XXX */ 451 To turn off; 452 - clear the MSB of TX control register; &= ~0x80, 453 - assign Bt431 register #0 with value 0x4 to hide sprite cursor. 454 #endif /* XXX XXX XXX */ 455 } 456 return (0); 457 458 case WSDISPLAYIO_GVIDEO: 459 *(u_int *)data = sc->sc_blanked ? 460 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; 461 return (0); 462 463 case WSDISPLAYIO_GCURPOS: 464 *(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos; 465 return (0); 466 467 case WSDISPLAYIO_SCURPOS: 468 set_curpos(sc, (struct wsdisplay_curpos *)data); 469 sc->sc_changed = WSDISPLAY_CURSOR_DOPOS; 470 return (0); 471 472 case WSDISPLAYIO_GCURMAX: 473 ((struct wsdisplay_curpos *)data)->x = 474 ((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE; 475 return (0); 476 477 case WSDISPLAYIO_GCURSOR: 478 return get_cursor(sc, (struct wsdisplay_cursor *)data); 479 480 case WSDISPLAYIO_SCURSOR: 481 return set_cursor(sc, (struct wsdisplay_cursor *)data); 482 } 483 return (ENOTTY); 484 } 485 486 static paddr_t 487 tfbmmap(v, offset, prot) 488 void *v; 489 off_t offset; 490 int prot; 491 { 492 struct tfb_softc *sc = v; 493 494 if (offset >= TX_8BPP_SIZE || offset < 0) /* XXX 24bpp XXX */ 495 return (-1); 496 return machine_btop(sc->sc_vaddr + TX_8BPP_OFFSET + offset); 497 } 498 499 static int 500 tfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp) 501 void *v; 502 const struct wsscreen_descr *type; 503 void **cookiep; 504 int *curxp, *curyp; 505 long *attrp; 506 { 507 struct tfb_softc *sc = v; 508 struct rasops_info *ri = sc->sc_ri; 509 long defattr; 510 511 if (sc->nscreens > 0) 512 return (ENOMEM); 513 514 *cookiep = ri; /* one and only for now */ 515 *curxp = 0; 516 *curyp = 0; 517 (*ri->ri_ops.alloc_attr)(ri, 0, 0, 0, &defattr); 518 *attrp = defattr; 519 sc->nscreens++; 520 return (0); 521 } 522 523 static void 524 tfb_free_screen(v, cookie) 525 void *v; 526 void *cookie; 527 { 528 struct tfb_softc *sc = v; 529 530 if (sc->sc_ri == &tfb_console_ri) 531 panic("tfb_free_screen: console"); 532 533 sc->nscreens--; 534 } 535 536 static int 537 tfb_show_screen(v, cookie, waitok, cb, cbarg) 538 void *v; 539 void *cookie; 540 int waitok; 541 void (*cb) __P((void *, int, int)); 542 void *cbarg; 543 { 544 545 return (0); 546 } 547 548 /* EXPORT */ int 549 tfb_cnattach(addr) 550 tc_addr_t addr; 551 { 552 struct rasops_info *ri; 553 long defattr; 554 555 ri = &tfb_console_ri; 556 ri->ri_hw = (void *)addr; 557 tfb_common_init(ri); 558 (*ri->ri_ops.alloc_attr)(ri, 0, 0, 0, &defattr); 559 wsdisplay_cnattach(&tfb_stdscreen, ri, 0, 0, defattr); 560 tfb_consaddr = addr; 561 return (0); 562 } 563 564 static int 565 tfbintr(arg) 566 void *arg; 567 { 568 struct tfb_softc *sc = arg; 569 caddr_t base, vdac, curs; 570 int v; 571 572 base = (caddr_t)sc->sc_ri->ri_hw; 573 *(u_int8_t *)(base + TX_CONTROL) &= ~0x40; 574 if (sc->sc_changed == 0) 575 goto done; 576 577 vdac = base + TX_BT463_OFFSET; 578 curs = base + TX_BT431_OFFSET; 579 v = sc->sc_changed; 580 if (v & WSDISPLAY_CURSOR_DOCUR) { 581 SELECT431(curs, BT431_REG_COMMAND); 582 HALF(curs, bt_ctl) = (sc->sc_curenb) ? 0x4444 : 0x0404; 583 } 584 if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { 585 int x, y; 586 u_int16_t twin; 587 588 x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x; 589 y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y; 590 591 x += sc->sc_cursor.cc_magic.x; 592 y += sc->sc_cursor.cc_magic.y; 593 594 SELECT431(curs, BT431_REG_CURSOR_X_LOW); 595 HALF(curs, bt_ctl) = TWIN_LO(x); tc_wmb(); 596 HALF(curs, bt_ctl) = TWIN_HI(x); tc_wmb(); 597 HALF(curs, bt_ctl) = TWIN_LO(y); tc_wmb(); 598 HALF(curs, bt_ctl) = TWIN_HI(y); tc_wmb(); 599 } 600 if (v & WSDISPLAY_CURSOR_DOCMAP) { 601 u_int8_t *cp = sc->sc_cursor.cc_color; 602 603 SELECT463(vdac, BT463_IREG_CURSOR_COLOR_0); 604 BYTE(vdac, bt_reg) = cp[1]; tc_wmb(); 605 BYTE(vdac, bt_reg) = cp[3]; tc_wmb(); 606 BYTE(vdac, bt_reg) = cp[5]; tc_wmb(); 607 608 BYTE(vdac, bt_reg) = cp[0]; tc_wmb(); 609 BYTE(vdac, bt_reg) = cp[2]; tc_wmb(); 610 BYTE(vdac, bt_reg) = cp[4]; tc_wmb(); 611 612 BYTE(vdac, bt_reg) = cp[1]; tc_wmb(); 613 BYTE(vdac, bt_reg) = cp[3]; tc_wmb(); 614 BYTE(vdac, bt_reg) = cp[5]; tc_wmb(); 615 616 BYTE(vdac, bt_reg) = cp[1]; tc_wmb(); 617 BYTE(vdac, bt_reg) = cp[3]; tc_wmb(); 618 BYTE(vdac, bt_reg) = cp[5]; tc_wmb(); 619 } 620 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 621 u_int8_t *ip, *mp, img, msk; 622 int bcnt; 623 624 ip = (u_int8_t *)sc->sc_cursor.cc_image; 625 mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_SIZE); 626 bcnt = 0; 627 SELECT431(curs, BT431_REG_CRAM_BASE); 628 629 /* 64 pixel scan line is consisted with 16 byte cursor ram */ 630 while (bcnt < sc->sc_cursor.cc_size.y * 16) { 631 /* pad right half 32 pixel when smaller than 33 */ 632 if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) { 633 HALF(curs, bt_ram) = 0; 634 tc_wmb(); 635 } 636 else { 637 img = *ip++; 638 msk = *mp++; 639 img &= msk; /* cookie off image */ 640 HALF(curs, bt_ram) 641 = (flip[img] << 8) | flip[msk]; 642 tc_wmb(); 643 } 644 bcnt += 2; 645 } 646 /* pad unoccupied scan lines */ 647 while (bcnt < CURSOR_MAX_SIZE * 16) { 648 HALF(curs, bt_ram) = 0; 649 tc_wmb(); 650 bcnt += 2; 651 } 652 } 653 if (v & WSDISPLAY_CMAP_DOLUT) { 654 struct hwcmap256 *cm = &sc->sc_cmap; 655 int index; 656 657 SELECT463(vdac, BT463_IREG_CPALETTE_RAM); 658 for (index = 0; index < CMAP_SIZE; index++) { 659 BYTE(vdac, bt_cmap) = cm->r[index]; 660 BYTE(vdac, bt_cmap) = cm->g[index]; 661 BYTE(vdac, bt_cmap) = cm->b[index]; 662 } 663 } 664 sc->sc_changed = 0; 665 done: 666 *(u_int8_t *)(base + TX_CONTROL) &= ~0x40; /* !? Eeeh !? */ 667 *(u_int8_t *)(base + TX_CONTROL) |= 0x40; 668 return (1); 669 } 670 671 static void 672 tfbhwinit(tfbbase) 673 caddr_t tfbbase; 674 { 675 caddr_t vdac, curs; 676 const u_int8_t *p; 677 int i; 678 679 vdac = tfbbase + TX_BT463_OFFSET; 680 curs = tfbbase + TX_BT431_OFFSET; 681 SELECT463(vdac, BT463_IREG_COMMAND_0); 682 BYTE(vdac, bt_reg) = 0x40; tc_wmb(); /* CMD 0 */ 683 BYTE(vdac, bt_reg) = 0x46; tc_wmb(); /* CMD 1 */ 684 BYTE(vdac, bt_reg) = 0xc0; tc_wmb(); /* CMD 2 */ 685 BYTE(vdac, bt_reg) = 0; tc_wmb(); /* !? 204 !? */ 686 BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 0:7 */ 687 BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 8:15 */ 688 BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 16:23 */ 689 BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 24:27 */ 690 BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 0:7 */ 691 BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 8:15 */ 692 BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 16:23 */ 693 BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 24:27 */ 694 BYTE(vdac, bt_reg) = 0x00; tc_wmb(); 695 696 #if 0 /* XXX ULTRIX does initialize 16 entry window type here XXX */ 697 { 698 static u_int32_t windowtype[BT463_IREG_WINDOW_TYPE_TABLE] = { 699 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 700 }; 701 702 SELECT463(vdac, BT463_IREG_WINDOW_TYPE_TABLE); 703 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { 704 BYTE(vdac, bt_reg) = windowtype[i]; /* 0:7 */ 705 BYTE(vdac, bt_reg) = windowtype[i] >> 8; /* 8:15 */ 706 BYTE(vdac, bt_reg) = windowtype[i] >> 16; /* 16:23 */ 707 } 708 } 709 #endif 710 711 SELECT463(vdac, BT463_IREG_CPALETTE_RAM); 712 p = rasops_cmap; 713 for (i = 0; i < 256; i++, p += 3) { 714 BYTE(vdac, bt_cmap) = p[0]; tc_wmb(); 715 BYTE(vdac, bt_cmap) = p[1]; tc_wmb(); 716 BYTE(vdac, bt_cmap) = p[2]; tc_wmb(); 717 } 718 719 /* !? Eeeh !? */ 720 SELECT463(vdac, 0x0100 /* BT463_IREG_CURSOR_COLOR_0 */); 721 for (i = 0; i < 256; i++) { 722 BYTE(vdac, bt_cmap) = i; tc_wmb(); 723 BYTE(vdac, bt_cmap) = i; tc_wmb(); 724 BYTE(vdac, bt_cmap) = i; tc_wmb(); 725 } 726 727 SELECT431(curs, BT431_REG_COMMAND); 728 HALF(curs, bt_ctl) = 0x0404; tc_wmb(); 729 HALF(curs, bt_ctl) = 0; /* XLO */ tc_wmb(); 730 HALF(curs, bt_ctl) = 0; /* XHI */ tc_wmb(); 731 HALF(curs, bt_ctl) = 0; /* YLO */ tc_wmb(); 732 HALF(curs, bt_ctl) = 0; /* YHI */ tc_wmb(); 733 HALF(curs, bt_ctl) = 0; /* XWLO */ tc_wmb(); 734 HALF(curs, bt_ctl) = 0; /* XWHI */ tc_wmb(); 735 HALF(curs, bt_ctl) = 0; /* WYLO */ tc_wmb(); 736 HALF(curs, bt_ctl) = 0; /* WYLO */ tc_wmb(); 737 HALF(curs, bt_ctl) = 0; /* WWLO */ tc_wmb(); 738 HALF(curs, bt_ctl) = 0; /* WWHI */ tc_wmb(); 739 HALF(curs, bt_ctl) = 0; /* WHLO */ tc_wmb(); 740 HALF(curs, bt_ctl) = 0; /* WHHI */ tc_wmb(); 741 742 SELECT431(curs, BT431_REG_CRAM_BASE); 743 for (i = 0; i < 512; i++) { 744 HALF(curs, bt_ram) = 0; tc_wmb(); 745 } 746 } 747 748 static int 749 get_cmap(sc, p) 750 struct tfb_softc *sc; 751 struct wsdisplay_cmap *p; 752 { 753 u_int index = p->index, count = p->count; 754 755 if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) 756 return (EINVAL); 757 758 if (!uvm_useracc(p->red, count, B_WRITE) || 759 !uvm_useracc(p->green, count, B_WRITE) || 760 !uvm_useracc(p->blue, count, B_WRITE)) 761 return (EFAULT); 762 763 copyout(&sc->sc_cmap.r[index], p->red, count); 764 copyout(&sc->sc_cmap.g[index], p->green, count); 765 copyout(&sc->sc_cmap.b[index], p->blue, count); 766 767 return (0); 768 } 769 770 static int 771 set_cmap(sc, p) 772 struct tfb_softc *sc; 773 struct wsdisplay_cmap *p; 774 { 775 u_int index = p->index, count = p->count; 776 777 if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) 778 return (EINVAL); 779 780 if (!uvm_useracc(p->red, count, B_READ) || 781 !uvm_useracc(p->green, count, B_READ) || 782 !uvm_useracc(p->blue, count, B_READ)) 783 return (EFAULT); 784 785 copyin(p->red, &sc->sc_cmap.r[index], count); 786 copyin(p->green, &sc->sc_cmap.g[index], count); 787 copyin(p->blue, &sc->sc_cmap.b[index], count); 788 789 sc->sc_changed |= WSDISPLAY_CMAP_DOLUT; 790 791 return (0); 792 } 793 794 static int 795 set_cursor(sc, p) 796 struct tfb_softc *sc; 797 struct wsdisplay_cursor *p; 798 { 799 #define cc (&sc->sc_cursor) 800 u_int v, index, count, icount; 801 802 v = p->which; 803 if (v & WSDISPLAY_CURSOR_DOCMAP) { 804 index = p->cmap.index; 805 count = p->cmap.count; 806 if (index >= 2 || (index + count) > 2) 807 return (EINVAL); 808 if (!uvm_useracc(p->cmap.red, count, B_READ) || 809 !uvm_useracc(p->cmap.green, count, B_READ) || 810 !uvm_useracc(p->cmap.blue, count, B_READ)) 811 return (EFAULT); 812 } 813 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 814 if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE) 815 return (EINVAL); 816 icount = ((p->size.x < 33) ? 4 : 8) * p->size.y; 817 if (!uvm_useracc(p->image, icount, B_READ) || 818 !uvm_useracc(p->mask, icount, B_READ)) 819 return (EFAULT); 820 } 821 822 if (v & WSDISPLAY_CURSOR_DOCUR) 823 sc->sc_curenb = p->enable; 824 if (v & WSDISPLAY_CURSOR_DOPOS) 825 set_curpos(sc, &p->pos); 826 if (v & WSDISPLAY_CURSOR_DOHOT) 827 cc->cc_hot = p->hot; 828 if (v & WSDISPLAY_CURSOR_DOCMAP) { 829 copyin(p->cmap.red, &cc->cc_color[index], count); 830 copyin(p->cmap.green, &cc->cc_color[index + 2], count); 831 copyin(p->cmap.blue, &cc->cc_color[index + 4], count); 832 } 833 if (v & WSDISPLAY_CURSOR_DOSHAPE) { 834 cc->cc_size = p->size; 835 memset(cc->cc_image, 0, sizeof cc->cc_image); 836 copyin(p->image, cc->cc_image, icount); 837 copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, icount); 838 } 839 sc->sc_changed = v; 840 841 return (0); 842 #undef cc 843 } 844 845 static int 846 get_cursor(sc, p) 847 struct tfb_softc *sc; 848 struct wsdisplay_cursor *p; 849 { 850 return (ENOTTY); /* XXX */ 851 } 852 853 static void 854 set_curpos(sc, curpos) 855 struct tfb_softc *sc; 856 struct wsdisplay_curpos *curpos; 857 { 858 struct rasops_info *ri = sc->sc_ri; 859 int x = curpos->x, y = curpos->y; 860 861 if (y < 0) 862 y = 0; 863 else if (y > ri->ri_height) 864 y = ri->ri_height; 865 if (x < 0) 866 x = 0; 867 else if (x > ri->ri_width) 868 x = ri->ri_width; 869 sc->sc_cursor.cc_pos.x = x; 870 sc->sc_cursor.cc_pos.y = y; 871 } 872
Indexes created Sun Oct 12 20:09:57 GMT 2025