mgx.c revision 1.4
1 /* $NetBSD: mgx.c,v 1.4 2015/01/06 17:41:30 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* a console driver for the SSB 4096V-MGX graphics card */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: mgx.c,v 1.4 2015/01/06 17:41:30 macallan Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/buf.h> 37 #include <sys/device.h> 38 #include <sys/ioctl.h> 39 #include <sys/conf.h> 40 #include <sys/kmem.h> 41 42 #include <sys/bus.h> 43 #include <machine/autoconf.h> 44 45 #include <dev/sbus/sbusvar.h> 46 #include <dev/sun/fbio.h> 47 #include <dev/sun/fbvar.h> 48 49 #include <dev/wscons/wsdisplayvar.h> 50 #include <dev/wscons/wsconsio.h> 51 #include <dev/wsfont/wsfont.h> 52 #include <dev/rasops/rasops.h> 53 54 #include <dev/wscons/wsdisplay_vconsvar.h> 55 #include <dev/wscons/wsdisplay_glyphcachevar.h> 56 57 #include <dev/ic/vgareg.h> 58 #include <dev/sbus/mgxreg.h> 59 60 #include "opt_wsemul.h" 61 62 63 struct mgx_softc { 64 device_t sc_dev; 65 bus_space_tag_t sc_tag; 66 bus_space_handle_t sc_blith; 67 bus_space_handle_t sc_vgah; 68 bus_addr_t sc_paddr; 69 void *sc_fbaddr; 70 int sc_width; 71 int sc_height; 72 int sc_stride; 73 int sc_fbsize; 74 int sc_mode; 75 uint32_t sc_dec; 76 u_char sc_cmap_red[256]; 77 u_char sc_cmap_green[256]; 78 u_char sc_cmap_blue[256]; 79 void (*sc_putchar)(void *, int, int, u_int, long); 80 struct vcons_screen sc_console_screen; 81 struct wsscreen_descr sc_defaultscreen_descr; 82 const struct wsscreen_descr *sc_screens[1]; 83 struct wsscreen_list sc_screenlist; 84 struct vcons_data vd; 85 glyphcache sc_gc; 86 }; 87 88 static int mgx_match(device_t, cfdata_t, void *); 89 static void mgx_attach(device_t, device_t, void *); 90 static int mgx_ioctl(void *, void *, u_long, void *, int, 91 struct lwp*); 92 static paddr_t mgx_mmap(void *, void *, off_t, int); 93 static void mgx_init_screen(void *, struct vcons_screen *, int, 94 long *); 95 static void mgx_write_dac(struct mgx_softc *, int, int, int, int); 96 static void mgx_setup(struct mgx_softc *, int); 97 static void mgx_init_palette(struct mgx_softc *); 98 static int mgx_putcmap(struct mgx_softc *, struct wsdisplay_cmap *); 99 static int mgx_getcmap(struct mgx_softc *, struct wsdisplay_cmap *); 100 static int mgx_wait_engine(struct mgx_softc *); 101 static int mgx_wait_fifo(struct mgx_softc *, unsigned int); 102 103 static void mgx_bitblt(void *, int, int, int, int, int, int, int); 104 static void mgx_rectfill(void *, int, int, int, int, long); 105 106 static void mgx_putchar(void *, int, int, u_int, long); 107 static void mgx_cursor(void *, int, int, int); 108 static void mgx_copycols(void *, int, int, int, int); 109 static void mgx_erasecols(void *, int, int, int, long); 110 static void mgx_copyrows(void *, int, int, int); 111 static void mgx_eraserows(void *, int, int, long); 112 113 CFATTACH_DECL_NEW(mgx, sizeof(struct mgx_softc), 114 mgx_match, mgx_attach, NULL, NULL); 115 116 struct wsdisplay_accessops mgx_accessops = { 117 mgx_ioctl, 118 mgx_mmap, 119 NULL, /* vcons_alloc_screen */ 120 NULL, /* vcons_free_screen */ 121 NULL, /* vcons_show_screen */ 122 NULL, /* load_font */ 123 NULL, /* polls */ 124 NULL, /* scroll */ 125 }; 126 127 static int 128 mgx_match(device_t parent, cfdata_t cf, void *aux) 129 { 130 struct sbus_attach_args *sa = aux; 131 132 if (strcmp("SMSI,mgx", sa->sa_name) == 0) 133 return 100; 134 return 0; 135 } 136 137 /* 138 * Attach a display. We need to notice if it is the console, too. 139 */ 140 static void 141 mgx_attach(device_t parent, device_t self, void *args) 142 { 143 struct mgx_softc *sc = device_private(self); 144 struct sbus_attach_args *sa = args; 145 struct wsemuldisplaydev_attach_args aa; 146 struct rasops_info *ri; 147 unsigned long defattr; 148 bus_space_handle_t bh; 149 int node = sa->sa_node; 150 int isconsole; 151 152 aprint_normal("\n"); 153 sc->sc_dev = self; 154 sc->sc_tag = sa->sa_bustag; 155 156 sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, 157 sa->sa_reg[8].oa_base); 158 159 /* read geometry information from the device tree */ 160 sc->sc_width = prom_getpropint(sa->sa_node, "width", 1152); 161 sc->sc_height = prom_getpropint(sa->sa_node, "height", 900); 162 sc->sc_stride = prom_getpropint(sa->sa_node, "linebytes", 900); 163 sc->sc_fbsize = sc->sc_height * sc->sc_stride; 164 sc->sc_fbaddr = NULL; 165 if (sc->sc_fbaddr == NULL) { 166 if (sbus_bus_map(sa->sa_bustag, 167 sa->sa_slot, 168 sa->sa_reg[8].oa_base, 169 sc->sc_fbsize, 170 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 171 &bh) != 0) { 172 aprint_error_dev(self, "cannot map framebuffer\n"); 173 return; 174 } 175 sc->sc_fbaddr = bus_space_vaddr(sa->sa_bustag, bh); 176 } 177 178 aprint_normal_dev(self, "%d x %d\n", sc->sc_width, sc->sc_height); 179 180 if (sbus_bus_map(sa->sa_bustag, 181 sa->sa_slot, 182 sa->sa_reg[4].oa_base, 0x1000, 0, 183 &sc->sc_vgah) != 0) { 184 aprint_error("%s: couldn't map VGA registers\n", 185 device_xname(sc->sc_dev)); 186 return; 187 } 188 189 if (sbus_bus_map(sa->sa_bustag, 190 sa->sa_slot, 191 sa->sa_reg[5].oa_base + MGX_REG_ATREG_OFFSET, 0x1000, 192 0, &sc->sc_blith) != 0) { 193 aprint_error("%s: couldn't map blitter registers\n", 194 device_xname(sc->sc_dev)); 195 return; 196 } 197 198 mgx_setup(sc, 8); 199 200 sc->sc_defaultscreen_descr = (struct wsscreen_descr) { 201 "default", 202 0, 0, 203 NULL, 204 8, 16, 205 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 206 NULL 207 }; 208 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 209 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 210 211 isconsole = fb_is_console(node); 212 213 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 214 wsfont_init(); 215 216 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, &mgx_accessops); 217 sc->vd.init_screen = mgx_init_screen; 218 219 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); 220 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 221 222 ri = &sc->sc_console_screen.scr_ri; 223 224 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 225 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 226 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 227 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 228 229 sc->sc_gc.gc_bitblt = mgx_bitblt; 230 sc->sc_gc.gc_rectfill = mgx_rectfill; 231 sc->sc_gc.gc_blitcookie = sc; 232 sc->sc_gc.gc_rop = ROP_SRC; 233 234 glyphcache_init(&sc->sc_gc, 235 sc->sc_height + 5, 236 (0x400000 / sc->sc_stride) - sc->sc_height - 5, 237 sc->sc_width, 238 ri->ri_font->fontwidth, 239 ri->ri_font->fontheight, 240 defattr); 241 242 mgx_init_palette(sc); 243 244 if(isconsole) { 245 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 246 defattr); 247 vcons_replay_msgbuf(&sc->sc_console_screen); 248 } 249 250 aa.console = isconsole; 251 aa.scrdata = &sc->sc_screenlist; 252 aa.accessops = &mgx_accessops; 253 aa.accesscookie = &sc->vd; 254 255 config_found(self, &aa, wsemuldisplaydevprint); 256 } 257 258 static inline void 259 mgx_write_vga(struct mgx_softc *sc, uint32_t reg, uint8_t val) 260 { 261 bus_space_write_1(sc->sc_tag, sc->sc_vgah, reg ^ 3, val); 262 } 263 264 static inline void 265 mgx_write_1(struct mgx_softc *sc, uint32_t reg, uint8_t val) 266 { 267 bus_space_write_1(sc->sc_tag, sc->sc_blith, reg ^ 3, val); 268 } 269 270 static inline uint8_t 271 mgx_read_1(struct mgx_softc *sc, uint32_t reg) 272 { 273 return bus_space_read_1(sc->sc_tag, sc->sc_blith, reg ^ 3); 274 } 275 276 static inline void 277 mgx_write_4(struct mgx_softc *sc, uint32_t reg, uint32_t val) 278 { 279 bus_space_write_4(sc->sc_tag, sc->sc_blith, reg, val); 280 } 281 282 283 static void 284 mgx_write_dac(struct mgx_softc *sc, int idx, int r, int g, int b) 285 { 286 mgx_write_vga(sc, VGA_BASE + VGA_DAC_ADDRW, idx); 287 mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, r); 288 mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, g); 289 mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, b); 290 } 291 292 static void 293 mgx_init_palette(struct mgx_softc *sc) 294 { 295 struct rasops_info *ri = &sc->sc_console_screen.scr_ri; 296 int i, j = 0; 297 uint8_t cmap[768]; 298 299 rasops_get_cmap(ri, cmap, sizeof(cmap)); 300 for (i = 0; i < 256; i++) { 301 sc->sc_cmap_red[i] = cmap[j]; 302 sc->sc_cmap_green[i] = cmap[j + 1]; 303 sc->sc_cmap_blue[i] = cmap[j + 2]; 304 mgx_write_dac(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 305 j += 3; 306 } 307 } 308 309 static int 310 mgx_putcmap(struct mgx_softc *sc, struct wsdisplay_cmap *cm) 311 { 312 u_char *r, *g, *b; 313 u_int index = cm->index; 314 u_int count = cm->count; 315 int i, error; 316 u_char rbuf[256], gbuf[256], bbuf[256]; 317 318 if (cm->index >= 256 || cm->count > 256 || 319 (cm->index + cm->count) > 256) 320 return EINVAL; 321 error = copyin(cm->red, &rbuf[index], count); 322 if (error) 323 return error; 324 error = copyin(cm->green, &gbuf[index], count); 325 if (error) 326 return error; 327 error = copyin(cm->blue, &bbuf[index], count); 328 if (error) 329 return error; 330 331 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 332 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 333 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 334 335 r = &sc->sc_cmap_red[index]; 336 g = &sc->sc_cmap_green[index]; 337 b = &sc->sc_cmap_blue[index]; 338 339 for (i = 0; i < count; i++) { 340 mgx_write_dac(sc, index, *r, *g, *b); 341 index++; 342 r++, g++, b++; 343 } 344 return 0; 345 } 346 347 static int 348 mgx_getcmap(struct mgx_softc *sc, struct wsdisplay_cmap *cm) 349 { 350 u_int index = cm->index; 351 u_int count = cm->count; 352 int error; 353 354 if (index >= 255 || count > 256 || index + count > 256) 355 return EINVAL; 356 357 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 358 if (error) 359 return error; 360 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 361 if (error) 362 return error; 363 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 364 if (error) 365 return error; 366 367 return 0; 368 } 369 370 static int 371 mgx_wait_engine(struct mgx_softc *sc) 372 { 373 unsigned int i; 374 uint8_t stat; 375 376 for (i = 100000; i != 0; i--) { 377 stat = mgx_read_1(sc, ATR_BLT_STATUS); 378 if ((stat & (BLT_HOST_BUSY | BLT_ENGINE_BUSY)) == 0) 379 break; 380 } 381 382 return i; 383 } 384 385 static int 386 mgx_wait_fifo(struct mgx_softc *sc, unsigned int nfifo) 387 { 388 unsigned int i; 389 uint8_t stat; 390 391 for (i = 100000; i != 0; i--) { 392 stat = mgx_read_1(sc, ATR_FIFO_STATUS); 393 stat = (stat & FIFO_MASK) >> FIFO_SHIFT; 394 if (stat >= nfifo) 395 break; 396 mgx_write_1(sc, ATR_FIFO_STATUS, 0); 397 } 398 399 return i; 400 } 401 402 static void 403 mgx_setup(struct mgx_softc *sc, int depth) 404 { 405 /* wait for everything to go idle */ 406 if (mgx_wait_engine(sc) == 0) 407 return; 408 if (mgx_wait_fifo(sc, FIFO_AT24) == 0) 409 return; 410 /* 411 * Compute the invariant bits of the DEC register. 412 */ 413 414 switch (depth) { 415 case 8: 416 sc->sc_dec = DEC_DEPTH_8 << DEC_DEPTH_SHIFT; 417 break; 418 case 15: 419 case 16: 420 sc->sc_dec = DEC_DEPTH_16 << DEC_DEPTH_SHIFT; 421 break; 422 case 32: 423 sc->sc_dec = DEC_DEPTH_32 << DEC_DEPTH_SHIFT; 424 break; 425 default: 426 return; /* not supported */ 427 } 428 429 switch (sc->sc_stride) { 430 case 640: 431 sc->sc_dec |= DEC_WIDTH_640 << DEC_WIDTH_SHIFT; 432 break; 433 case 800: 434 sc->sc_dec |= DEC_WIDTH_800 << DEC_WIDTH_SHIFT; 435 break; 436 case 1024: 437 sc->sc_dec |= DEC_WIDTH_1024 << DEC_WIDTH_SHIFT; 438 break; 439 case 1152: 440 sc->sc_dec |= DEC_WIDTH_1152 << DEC_WIDTH_SHIFT; 441 break; 442 case 1280: 443 sc->sc_dec |= DEC_WIDTH_1280 << DEC_WIDTH_SHIFT; 444 break; 445 case 1600: 446 sc->sc_dec |= DEC_WIDTH_1600 << DEC_WIDTH_SHIFT; 447 break; 448 default: 449 return; /* not supported */ 450 } 451 mgx_write_1(sc, ATR_CLIP_CONTROL, 0); 452 mgx_write_1(sc, ATR_BYTEMASK, 0xff); 453 } 454 455 static void 456 mgx_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi, int he, 457 int rop) 458 { 459 struct mgx_softc *sc = cookie; 460 uint32_t dec = sc->sc_dec; 461 462 dec |= (DEC_COMMAND_BLT << DEC_COMMAND_SHIFT) | 463 (DEC_START_DIMX << DEC_START_SHIFT); 464 if (xs < xd) { 465 xs += wi - 1; 466 xd += wi - 1; 467 dec |= DEC_DIR_X_REVERSE; 468 } 469 if (ys < yd) { 470 ys += he - 1; 471 yd += he - 1; 472 dec |= DEC_DIR_Y_REVERSE; 473 } 474 mgx_wait_fifo(sc, 5); 475 mgx_write_1(sc, ATR_ROP, rop); 476 mgx_write_4(sc, ATR_DEC, dec); 477 mgx_write_4(sc, ATR_SRC_XY, (ys << 16) | xs); 478 mgx_write_4(sc, ATR_DST_XY, (yd << 16) | xd); 479 mgx_write_4(sc, ATR_WH, (he << 16) | wi); 480 } 481 482 static void 483 mgx_rectfill(void *cookie, int x, int y, int wi, int he, long fg) 484 { 485 struct mgx_softc *sc = cookie; 486 struct vcons_screen *scr = sc->vd.active; 487 uint32_t dec = sc->sc_dec; 488 uint32_t col; 489 490 if (scr == NULL) 491 return; 492 col = scr->scr_ri.ri_devcmap[fg]; 493 494 dec = sc->sc_dec; 495 dec |= (DEC_COMMAND_RECT << DEC_COMMAND_SHIFT) | 496 (DEC_START_DIMX << DEC_START_SHIFT); 497 mgx_wait_fifo(sc, 5); 498 mgx_write_1(sc, ATR_ROP, ROP_SRC); 499 mgx_write_4(sc, ATR_FG, col); 500 mgx_write_4(sc, ATR_DEC, dec); 501 mgx_write_4(sc, ATR_DST_XY, (y << 16) | x); 502 mgx_write_4(sc, ATR_WH, (he << 16) | wi); 503 } 504 505 static void 506 mgx_putchar(void *cookie, int row, int col, u_int c, long attr) 507 { 508 struct rasops_info *ri = cookie; 509 struct wsdisplay_font *font = PICK_FONT(ri, c); 510 struct vcons_screen *scr = ri->ri_hw; 511 struct mgx_softc *sc = scr->scr_cookie; 512 uint32_t fg, bg; 513 int x, y, wi, he, rv; 514 515 wi = font->fontwidth; 516 he = font->fontheight; 517 518 bg = (attr >> 16) & 0xf; 519 fg = (attr >> 24) & 0xf; 520 521 x = ri->ri_xorigin + col * wi; 522 y = ri->ri_yorigin + row * he; 523 524 if (c == 0x20) { 525 mgx_rectfill(sc, x, y, wi, he, bg); 526 if (attr & 1) 527 mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); 528 return; 529 } 530 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 531 if (rv != GC_OK) { 532 volatile uint32_t junk; 533 534 mgx_wait_engine(sc); 535 sc->sc_putchar(cookie, row, col, c, attr & ~1); 536 junk = *(uint32_t *)sc->sc_fbaddr; 537 __USE(junk); 538 if (rv == GC_ADD) 539 glyphcache_add(&sc->sc_gc, c, x, y); 540 } 541 if (attr & 1) 542 mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); 543 } 544 545 static void 546 mgx_cursor(void *cookie, int on, int row, int col) 547 { 548 struct rasops_info *ri = cookie; 549 struct vcons_screen *scr = ri->ri_hw; 550 struct mgx_softc *sc = scr->scr_cookie; 551 int x, y, wi,he; 552 553 wi = ri->ri_font->fontwidth; 554 he = ri->ri_font->fontheight; 555 556 if (ri->ri_flg & RI_CURSOR) { 557 x = ri->ri_ccol * wi + ri->ri_xorigin; 558 y = ri->ri_crow * he + ri->ri_yorigin; 559 mgx_bitblt(sc, x, y, x, y, wi, he, ROP_INV); 560 ri->ri_flg &= ~RI_CURSOR; 561 } 562 563 ri->ri_crow = row; 564 ri->ri_ccol = col; 565 566 if (on) 567 { 568 x = ri->ri_ccol * wi + ri->ri_xorigin; 569 y = ri->ri_crow * he + ri->ri_yorigin; 570 mgx_bitblt(sc, x, y, x, y, wi, he, ROP_INV); 571 ri->ri_flg |= RI_CURSOR; 572 } 573 } 574 575 static void 576 mgx_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 577 { 578 struct rasops_info *ri = cookie; 579 struct vcons_screen *scr = ri->ri_hw; 580 struct mgx_softc *sc = scr->scr_cookie; 581 int32_t xs, xd, y, width, height; 582 583 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 584 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 585 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 586 width = ri->ri_font->fontwidth * ncols; 587 height = ri->ri_font->fontheight; 588 mgx_bitblt(sc, xs, y, xd, y, width, height, ROP_SRC); 589 } 590 591 static void 592 mgx_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 593 { 594 struct rasops_info *ri = cookie; 595 struct vcons_screen *scr = ri->ri_hw; 596 struct mgx_softc *sc = scr->scr_cookie; 597 int32_t x, y, width, height, bg; 598 599 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 600 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 601 width = ri->ri_font->fontwidth * ncols; 602 height = ri->ri_font->fontheight; 603 bg = (fillattr >> 16) & 0xff; 604 mgx_rectfill(sc, x, y, width, height, bg); 605 } 606 607 static void 608 mgx_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 609 { 610 struct rasops_info *ri = cookie; 611 struct vcons_screen *scr = ri->ri_hw; 612 struct mgx_softc *sc = scr->scr_cookie; 613 int32_t x, ys, yd, width, height; 614 615 x = ri->ri_xorigin; 616 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 617 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 618 width = ri->ri_emuwidth; 619 height = ri->ri_font->fontheight * nrows; 620 mgx_bitblt(sc, x, ys, x, yd, width, height, ROP_SRC); 621 } 622 623 static void 624 mgx_eraserows(void *cookie, int row, int nrows, long fillattr) 625 { 626 struct rasops_info *ri = cookie; 627 struct vcons_screen *scr = ri->ri_hw; 628 struct mgx_softc *sc = scr->scr_cookie; 629 int32_t x, y, width, height, bg; 630 631 if ((row == 0) && (nrows == ri->ri_rows)) { 632 x = y = 0; 633 width = ri->ri_width; 634 height = ri->ri_height; 635 } else { 636 x = ri->ri_xorigin; 637 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 638 width = ri->ri_emuwidth; 639 height = ri->ri_font->fontheight * nrows; 640 } 641 bg = (fillattr >> 16) & 0xff; 642 mgx_rectfill(sc, x, y, width, height, bg); 643 } 644 645 static void 646 mgx_init_screen(void *cookie, struct vcons_screen *scr, 647 int existing, long *defattr) 648 { 649 struct mgx_softc *sc = cookie; 650 struct rasops_info *ri = &scr->scr_ri; 651 652 ri->ri_depth = 8; 653 ri->ri_width = sc->sc_width; 654 ri->ri_height = sc->sc_height; 655 ri->ri_stride = sc->sc_stride; 656 ri->ri_flg = RI_CENTER | RI_ENABLE_ALPHA; 657 658 if (ri->ri_depth == 8) 659 ri->ri_flg |= RI_8BIT_IS_RGB; 660 661 ri->ri_bits = sc->sc_fbaddr; 662 663 rasops_init(ri, 0, 0); 664 sc->sc_putchar = ri->ri_ops.putchar; 665 666 ri->ri_caps = WSSCREEN_REVERSE | WSSCREEN_WSCOLORS; 667 668 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 669 ri->ri_width / ri->ri_font->fontwidth); 670 671 ri->ri_hw = scr; 672 ri->ri_ops.putchar = mgx_putchar; 673 ri->ri_ops.cursor = mgx_cursor; 674 ri->ri_ops.copyrows = mgx_copyrows; 675 ri->ri_ops.eraserows = mgx_eraserows; 676 ri->ri_ops.copycols = mgx_copycols; 677 ri->ri_ops.erasecols = mgx_erasecols; 678 } 679 680 static int 681 mgx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 682 struct lwp *l) 683 { 684 struct vcons_data *vd = v; 685 struct mgx_softc *sc = vd->cookie; 686 struct wsdisplay_fbinfo *wdf; 687 struct vcons_screen *ms = vd->active; 688 689 switch (cmd) { 690 case WSDISPLAYIO_GTYPE: 691 *(u_int *)data = WSDISPLAY_TYPE_MGX; 692 return 0; 693 694 case WSDISPLAYIO_GINFO: 695 wdf = (void *)data; 696 wdf->height = sc->sc_height; 697 wdf->width = sc->sc_width; 698 wdf->depth = 8; 699 wdf->cmsize = 256; 700 return 0; 701 702 case FBIOGVIDEO: 703 case WSDISPLAYIO_GVIDEO: 704 *(int *)data = 1; 705 return 0; 706 707 case WSDISPLAYIO_SVIDEO: 708 case FBIOSVIDEO: 709 return 0; 710 711 case WSDISPLAYIO_LINEBYTES: 712 { 713 int *ret = (int *)data; 714 *ret = sc->sc_stride; 715 } 716 return 0; 717 718 case WSDISPLAYIO_SMODE: 719 { 720 int new_mode = *(int*)data; 721 if (new_mode != sc->sc_mode) 722 { 723 sc->sc_mode = new_mode; 724 if (new_mode == WSDISPLAYIO_MODE_EMUL) 725 { 726 mgx_setup(sc, 8); 727 glyphcache_wipe(&sc->sc_gc); 728 mgx_init_palette(sc); 729 vcons_redraw_screen(ms); 730 } else { 731 mgx_setup(sc, 32); 732 } 733 } 734 } 735 return 0; 736 737 case WSDISPLAYIO_GETCMAP: 738 return mgx_getcmap(sc, (struct wsdisplay_cmap *)data); 739 740 case WSDISPLAYIO_PUTCMAP: 741 return mgx_putcmap(sc, (struct wsdisplay_cmap *)data); 742 743 case WSDISPLAYIO_GET_FBINFO: 744 { 745 struct wsdisplayio_fbinfo *fbi = data; 746 int ret; 747 748 ret = wsdisplayio_get_fbinfo(&ms->scr_ri, fbi); 749 fbi->fbi_fbsize = 0x400000; 750 return ret; 751 } 752 } 753 return EPASSTHROUGH; 754 } 755 756 static paddr_t 757 mgx_mmap(void *v, void *vs, off_t offset, int prot) 758 { 759 struct vcons_data *vd = v; 760 struct mgx_softc *sc = vd->cookie; 761 762 /* regular fb mapping at 0 */ 763 if ((offset >= 0) && (offset < 0x400000)) { 764 return bus_space_mmap(sc->sc_tag, sc->sc_paddr, 765 offset, prot, BUS_SPACE_MAP_LINEAR); 766 } 767 768 return -1; 769 } 770
Indexes created Thu Oct 02 01:09:59 GMT 2025