mgx.c revision 1.6
1 /* $NetBSD: mgx.c,v 1.6 2016/02/11 20:53:06 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 1.6 2016/02/11 20:53:06 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 #include "opt_mgx.h" 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 uint8_t *sc_cursor; 71 int sc_width; 72 int sc_height; 73 int sc_stride; 74 int sc_depth; 75 int sc_fbsize; 76 int sc_mode; 77 char sc_name[8]; 78 uint32_t sc_dec; 79 u_char sc_cmap_red[256]; 80 u_char sc_cmap_green[256]; 81 u_char sc_cmap_blue[256]; 82 int sc_cursor_x, sc_cursor_y; 83 int sc_hotspot_x, sc_hotspot_y; 84 int sc_video; 85 void (*sc_putchar)(void *, int, int, u_int, long); 86 struct vcons_screen sc_console_screen; 87 struct wsscreen_descr sc_defaultscreen_descr; 88 const struct wsscreen_descr *sc_screens[1]; 89 struct wsscreen_list sc_screenlist; 90 struct vcons_data vd; 91 glyphcache sc_gc; 92 }; 93 94 static int mgx_match(device_t, cfdata_t, void *); 95 static void mgx_attach(device_t, device_t, void *); 96 static int mgx_ioctl(void *, void *, u_long, void *, int, 97 struct lwp*); 98 static paddr_t mgx_mmap(void *, void *, off_t, int); 99 static void mgx_init_screen(void *, struct vcons_screen *, int, 100 long *); 101 static void mgx_write_dac(struct mgx_softc *, int, int, int, int); 102 static void mgx_setup(struct mgx_softc *, int); 103 static void mgx_init_palette(struct mgx_softc *); 104 static int mgx_putcmap(struct mgx_softc *, struct wsdisplay_cmap *); 105 static int mgx_getcmap(struct mgx_softc *, struct wsdisplay_cmap *); 106 static int mgx_wait_engine(struct mgx_softc *); 107 static int mgx_wait_host(struct mgx_softc *); 108 static int mgx_wait_fifo(struct mgx_softc *, unsigned int); 109 110 static void mgx_bitblt(void *, int, int, int, int, int, int, int); 111 static void mgx_rectfill(void *, int, int, int, int, long); 112 113 static void mgx_putchar(void *, int, int, u_int, long); 114 static void mgx_cursor(void *, int, int, int); 115 static void mgx_copycols(void *, int, int, int, int); 116 static void mgx_erasecols(void *, int, int, int, long); 117 static void mgx_copyrows(void *, int, int, int); 118 static void mgx_eraserows(void *, int, int, long); 119 120 static int mgx_do_cursor(struct mgx_softc *, struct wsdisplay_cursor *); 121 static void mgx_set_cursor(struct mgx_softc *); 122 static void mgx_set_video(struct mgx_softc *, int); 123 124 CFATTACH_DECL_NEW(mgx, sizeof(struct mgx_softc), 125 mgx_match, mgx_attach, NULL, NULL); 126 127 struct wsdisplay_accessops mgx_accessops = { 128 mgx_ioctl, 129 mgx_mmap, 130 NULL, /* vcons_alloc_screen */ 131 NULL, /* vcons_free_screen */ 132 NULL, /* vcons_show_screen */ 133 NULL, /* load_font */ 134 NULL, /* polls */ 135 NULL, /* scroll */ 136 }; 137 138 static inline void 139 mgx_write_vga(struct mgx_softc *sc, uint32_t reg, uint8_t val) 140 { 141 bus_space_write_1(sc->sc_tag, sc->sc_vgah, reg ^ 3, val); 142 } 143 144 static inline uint8_t 145 mgx_read_vga(struct mgx_softc *sc, uint32_t reg) 146 { 147 return bus_space_read_1(sc->sc_tag, sc->sc_vgah, reg ^ 3); 148 } 149 150 static inline void 151 mgx_write_1(struct mgx_softc *sc, uint32_t reg, uint8_t val) 152 { 153 bus_space_write_1(sc->sc_tag, sc->sc_blith, reg ^ 3, val); 154 } 155 156 static inline uint8_t 157 mgx_read_1(struct mgx_softc *sc, uint32_t reg) 158 { 159 return bus_space_read_1(sc->sc_tag, sc->sc_blith, reg ^ 3); 160 } 161 162 static inline void 163 mgx_write_2(struct mgx_softc *sc, uint32_t reg, uint16_t val) 164 { 165 bus_space_write_2(sc->sc_tag, sc->sc_blith, reg ^ 2, val); 166 } 167 168 static inline void 169 mgx_write_4(struct mgx_softc *sc, uint32_t reg, uint32_t val) 170 { 171 bus_space_write_4(sc->sc_tag, sc->sc_blith, reg, val); 172 } 173 174 static int 175 mgx_match(device_t parent, cfdata_t cf, void *aux) 176 { 177 struct sbus_attach_args *sa = aux; 178 179 if (strcmp("SMSI,mgx", sa->sa_name) == 0) 180 return 100; 181 return 0; 182 } 183 184 /* 185 * Attach a display. We need to notice if it is the console, too. 186 */ 187 static void 188 mgx_attach(device_t parent, device_t self, void *args) 189 { 190 struct mgx_softc *sc = device_private(self); 191 struct sbus_attach_args *sa = args; 192 struct wsemuldisplaydev_attach_args aa; 193 struct rasops_info *ri; 194 unsigned long defattr; 195 bus_space_handle_t bh; 196 int node = sa->sa_node; 197 int isconsole; 198 199 aprint_normal("\n"); 200 sc->sc_dev = self; 201 sc->sc_tag = sa->sa_bustag; 202 203 sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, 204 sa->sa_reg[8].oa_base); 205 206 /* read geometry information from the device tree */ 207 sc->sc_width = prom_getpropint(sa->sa_node, "width", 1152); 208 sc->sc_height = prom_getpropint(sa->sa_node, "height", 900); 209 sc->sc_stride = prom_getpropint(sa->sa_node, "linebytes", 1152); 210 sc->sc_fbsize = prom_getpropint(sa->sa_node, "fb_size", 0x00400000); 211 sc->sc_fbaddr = NULL; 212 if (sc->sc_fbaddr == NULL) { 213 if (sbus_bus_map(sa->sa_bustag, 214 sa->sa_slot, 215 sa->sa_reg[8].oa_base, 216 sc->sc_fbsize, 217 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 218 &bh) != 0) { 219 aprint_error_dev(self, "couldn't map framebuffer\n"); 220 return; 221 } 222 sc->sc_fbaddr = bus_space_vaddr(sa->sa_bustag, bh); 223 } 224 225 if (sbus_bus_map(sa->sa_bustag, 226 sa->sa_slot, 227 sa->sa_reg[4].oa_base, 0x1000, 0, 228 &sc->sc_vgah) != 0) { 229 aprint_error("%s: couldn't map VGA registers\n", 230 device_xname(sc->sc_dev)); 231 return; 232 } 233 234 if (sbus_bus_map(sa->sa_bustag, 235 sa->sa_slot, 236 sa->sa_reg[5].oa_base + MGX_REG_ATREG_OFFSET, 0x1000, 237 0, &sc->sc_blith) != 0) { 238 aprint_error("%s: couldn't map blitter registers\n", 239 device_xname(sc->sc_dev)); 240 return; 241 } 242 243 mgx_setup(sc, MGX_DEPTH); 244 245 aprint_normal_dev(self, "[%s] %d MB framebuffer, %d x %d\n", 246 sc->sc_name, sc->sc_fbsize >> 20, sc->sc_width, sc->sc_height); 247 248 249 sc->sc_defaultscreen_descr = (struct wsscreen_descr) { 250 "default", 251 0, 0, 252 NULL, 253 8, 16, 254 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 255 NULL 256 }; 257 258 sc->sc_cursor_x = 0; 259 sc->sc_cursor_y = 0; 260 sc->sc_hotspot_x = 0; 261 sc->sc_hotspot_y = 0; 262 sc->sc_video = WSDISPLAYIO_VIDEO_ON; 263 264 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 265 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 266 267 isconsole = fb_is_console(node); 268 269 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 270 wsfont_init(); 271 272 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, &mgx_accessops); 273 sc->vd.init_screen = mgx_init_screen; 274 275 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); 276 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 277 278 ri = &sc->sc_console_screen.scr_ri; 279 280 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 281 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 282 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 283 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 284 285 sc->sc_gc.gc_bitblt = mgx_bitblt; 286 sc->sc_gc.gc_rectfill = mgx_rectfill; 287 sc->sc_gc.gc_blitcookie = sc; 288 sc->sc_gc.gc_rop = ROP_SRC; 289 290 glyphcache_init(&sc->sc_gc, 291 sc->sc_height + 5, 292 (0x400000 / sc->sc_stride) - sc->sc_height - 5, 293 sc->sc_width, 294 ri->ri_font->fontwidth, 295 ri->ri_font->fontheight, 296 defattr); 297 298 mgx_init_palette(sc); 299 300 if(isconsole) { 301 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 302 defattr); 303 vcons_replay_msgbuf(&sc->sc_console_screen); 304 } 305 306 aa.console = isconsole; 307 aa.scrdata = &sc->sc_screenlist; 308 aa.accessops = &mgx_accessops; 309 aa.accesscookie = &sc->vd; 310 311 config_found(self, &aa, wsemuldisplaydevprint); 312 313 #if 0 314 uint32_t *fb = sc->sc_fbaddr; 315 int i, j; 316 for (i = 0; i < 256; i += 16) { 317 printf("%04x:", i); 318 for (j = 0; j < 16; j += 4) { 319 printf(" %08x", fb[(i + j) >> 2]); 320 } 321 printf("\n"); 322 } 323 #endif 324 325 } 326 327 static void 328 mgx_write_dac(struct mgx_softc *sc, int idx, int r, int g, int b) 329 { 330 mgx_write_vga(sc, VGA_BASE + VGA_DAC_ADDRW, idx); 331 mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, r); 332 mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, g); 333 mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, b); 334 } 335 336 static void 337 mgx_init_palette(struct mgx_softc *sc) 338 { 339 struct rasops_info *ri = &sc->sc_console_screen.scr_ri; 340 int i, j = 0; 341 uint8_t cmap[768]; 342 343 if (sc->sc_depth == 8) { 344 rasops_get_cmap(ri, cmap, sizeof(cmap)); 345 for (i = 0; i < 256; i++) { 346 sc->sc_cmap_red[i] = cmap[j]; 347 sc->sc_cmap_green[i] = cmap[j + 1]; 348 sc->sc_cmap_blue[i] = cmap[j + 2]; 349 mgx_write_dac(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 350 j += 3; 351 } 352 } else { 353 /* linear ramp for true colour modes */ 354 for (i = 0; i < 256; i++) { 355 mgx_write_dac(sc, i, i, i, i); 356 } 357 } 358 } 359 360 static int 361 mgx_putcmap(struct mgx_softc *sc, struct wsdisplay_cmap *cm) 362 { 363 u_char *r, *g, *b; 364 u_int index = cm->index; 365 u_int count = cm->count; 366 int i, error; 367 u_char rbuf[256], gbuf[256], bbuf[256]; 368 369 if (cm->index >= 256 || cm->count > 256 || 370 (cm->index + cm->count) > 256) 371 return EINVAL; 372 error = copyin(cm->red, &rbuf[index], count); 373 if (error) 374 return error; 375 error = copyin(cm->green, &gbuf[index], count); 376 if (error) 377 return error; 378 error = copyin(cm->blue, &bbuf[index], count); 379 if (error) 380 return error; 381 382 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 383 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 384 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 385 386 r = &sc->sc_cmap_red[index]; 387 g = &sc->sc_cmap_green[index]; 388 b = &sc->sc_cmap_blue[index]; 389 390 for (i = 0; i < count; i++) { 391 mgx_write_dac(sc, index, *r, *g, *b); 392 index++; 393 r++, g++, b++; 394 } 395 return 0; 396 } 397 398 static int 399 mgx_getcmap(struct mgx_softc *sc, struct wsdisplay_cmap *cm) 400 { 401 u_int index = cm->index; 402 u_int count = cm->count; 403 int error; 404 405 if (index >= 255 || count > 256 || index + count > 256) 406 return EINVAL; 407 408 error = copyout(&sc->sc_cmap_red[index], cm->red, count); 409 if (error) 410 return error; 411 error = copyout(&sc->sc_cmap_green[index], cm->green, count); 412 if (error) 413 return error; 414 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 415 if (error) 416 return error; 417 418 return 0; 419 } 420 421 static int 422 mgx_wait_engine(struct mgx_softc *sc) 423 { 424 unsigned int i; 425 uint8_t stat; 426 427 for (i = 100000; i != 0; i--) { 428 stat = mgx_read_1(sc, ATR_BLT_STATUS); 429 if ((stat & (BLT_HOST_BUSY | BLT_ENGINE_BUSY)) == 0) 430 break; 431 } 432 433 return i; 434 } 435 436 static inline int 437 mgx_wait_host(struct mgx_softc *sc) 438 { 439 unsigned int i; 440 uint8_t stat; 441 442 for (i = 10000; i != 0; i--) { 443 stat = mgx_read_1(sc, ATR_BLT_STATUS); 444 if ((stat & BLT_HOST_BUSY) == 0) 445 break; 446 } 447 448 return i; 449 } 450 451 static int 452 mgx_wait_fifo(struct mgx_softc *sc, unsigned int nfifo) 453 { 454 unsigned int i; 455 uint8_t stat; 456 457 for (i = 100000; i != 0; i--) { 458 stat = mgx_read_1(sc, ATR_FIFO_STATUS); 459 stat = (stat & FIFO_MASK) >> FIFO_SHIFT; 460 if (stat >= nfifo) 461 break; 462 mgx_write_1(sc, ATR_FIFO_STATUS, 0); 463 } 464 465 return i; 466 } 467 468 static void 469 mgx_setup(struct mgx_softc *sc, int depth) 470 { 471 uint32_t stride; 472 int i; 473 uint8_t reg; 474 475 /* wait for everything to go idle */ 476 if (mgx_wait_engine(sc) == 0) 477 return; 478 if (mgx_wait_fifo(sc, FIFO_AT24) == 0) 479 return; 480 481 /* read name from sequencer */ 482 for (i = 0; i < 8; i++) { 483 mgx_write_vga(sc, SEQ_INDEX, i + 0x11); 484 sc->sc_name[i] = mgx_read_vga(sc, SEQ_DATA); 485 } 486 sc->sc_name[7] = 0; 487 488 reg = mgx_read_1(sc, ATR_PIXEL); 489 reg &= ~PIXEL_DEPTH_MASK; 490 491 switch (depth) { 492 case 8: 493 sc->sc_dec = DEC_DEPTH_8 << DEC_DEPTH_SHIFT; 494 reg |= PIXEL_8; 495 break; 496 case 15: 497 sc->sc_dec = DEC_DEPTH_16 << DEC_DEPTH_SHIFT; 498 reg |= PIXEL_15; 499 break; 500 case 16: 501 sc->sc_dec = DEC_DEPTH_16 << DEC_DEPTH_SHIFT; 502 reg |= PIXEL_16; 503 break; 504 case 32: 505 sc->sc_dec = DEC_DEPTH_32 << DEC_DEPTH_SHIFT; 506 reg |= PIXEL_32; 507 break; 508 default: 509 return; /* not supported */ 510 } 511 512 /* the chip wants stride in units of 8 bytes */ 513 sc->sc_stride = sc->sc_width * (depth >> 3); 514 stride = sc->sc_stride >> 3; 515 #ifdef MGX_DEBUG 516 sc->sc_height = 600; 517 #endif 518 519 sc->sc_depth = depth; 520 521 switch (sc->sc_width) { 522 case 640: 523 sc->sc_dec |= DEC_WIDTH_640 << DEC_WIDTH_SHIFT; 524 break; 525 case 800: 526 sc->sc_dec |= DEC_WIDTH_800 << DEC_WIDTH_SHIFT; 527 break; 528 case 1024: 529 sc->sc_dec |= DEC_WIDTH_1024 << DEC_WIDTH_SHIFT; 530 break; 531 case 1152: 532 sc->sc_dec |= DEC_WIDTH_1152 << DEC_WIDTH_SHIFT; 533 break; 534 case 1280: 535 sc->sc_dec |= DEC_WIDTH_1280 << DEC_WIDTH_SHIFT; 536 break; 537 case 1600: 538 sc->sc_dec |= DEC_WIDTH_1600 << DEC_WIDTH_SHIFT; 539 break; 540 default: 541 return; /* not supported */ 542 } 543 mgx_write_1(sc, ATR_CLIP_CONTROL, 0); 544 mgx_write_1(sc, ATR_BYTEMASK, 0xff); 545 mgx_write_1(sc, ATR_PIXEL, reg); 546 mgx_write_vga(sc, CRTC_INDEX, 0x13); 547 mgx_write_vga(sc, CRTC_DATA, stride & 0xff); 548 mgx_write_vga(sc, CRTC_INDEX, 0x1c); 549 mgx_write_vga(sc, CRTC_DATA, (stride & 0xf00) >> 4); 550 551 /* clean up the screen if we're switching to != 8bit */ 552 if (depth != MGX_DEPTH) 553 mgx_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0); 554 555 /* initialize hardware cursor stuff */ 556 mgx_write_2(sc, ATR_CURSOR_ADDRESS, (sc->sc_fbsize - 1024) >> 10); 557 mgx_write_1(sc, ATR_CURSOR_ENABLE, 0); 558 sc->sc_cursor = (uint8_t *)sc->sc_fbaddr + sc->sc_fbsize - 1024; 559 memset(sc->sc_cursor, 0xf0, 1024); 560 561 #ifdef MGX_DEBUG 562 int j; 563 mgx_write_vga(sc, SEQ_INDEX, 0x10); 564 mgx_write_vga(sc, SEQ_DATA, 0x12); 565 for (i = 0x10; i < 0x30; i += 16) { 566 printf("%02x:", i); 567 for (j = 0; j < 16; j++) { 568 mgx_write_vga(sc, SEQ_INDEX, i + j); 569 printf(" %02x", mgx_read_vga(sc, SEQ_DATA)); 570 } 571 printf("\n"); 572 } 573 #if 0 574 mgx_write_vga(sc, SEQ_INDEX, 0x1a); 575 mgx_write_vga(sc, SEQ_DATA, 0x0f); 576 #endif 577 #endif 578 } 579 580 static void 581 mgx_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi, int he, 582 int rop) 583 { 584 struct mgx_softc *sc = cookie; 585 uint32_t dec = sc->sc_dec; 586 587 dec |= (DEC_COMMAND_BLT << DEC_COMMAND_SHIFT) | 588 (DEC_START_DIMX << DEC_START_SHIFT); 589 if (xs < xd) { 590 xs += wi - 1; 591 xd += wi - 1; 592 dec |= DEC_DIR_X_REVERSE; 593 } 594 if (ys < yd) { 595 ys += he - 1; 596 yd += he - 1; 597 dec |= DEC_DIR_Y_REVERSE; 598 } 599 mgx_wait_fifo(sc, 5); 600 mgx_write_1(sc, ATR_ROP, rop); 601 mgx_write_4(sc, ATR_DEC, dec); 602 mgx_write_4(sc, ATR_SRC_XY, (ys << 16) | xs); 603 mgx_write_4(sc, ATR_DST_XY, (yd << 16) | xd); 604 mgx_write_4(sc, ATR_WH, (he << 16) | wi); 605 } 606 607 static void 608 mgx_rectfill(void *cookie, int x, int y, int wi, int he, long fg) 609 { 610 struct mgx_softc *sc = cookie; 611 struct vcons_screen *scr = sc->vd.active; 612 uint32_t dec = sc->sc_dec; 613 uint32_t col; 614 615 if (scr == NULL) 616 return; 617 col = scr->scr_ri.ri_devcmap[fg]; 618 619 dec = sc->sc_dec; 620 dec |= (DEC_COMMAND_RECT << DEC_COMMAND_SHIFT) | 621 (DEC_START_DIMX << DEC_START_SHIFT); 622 mgx_wait_fifo(sc, 5); 623 mgx_write_1(sc, ATR_ROP, ROP_SRC); 624 mgx_write_4(sc, ATR_FG, col); 625 mgx_write_4(sc, ATR_DEC, dec); 626 mgx_write_4(sc, ATR_DST_XY, (y << 16) | x); 627 mgx_write_4(sc, ATR_WH, (he << 16) | wi); 628 } 629 630 static void 631 mgx_putchar(void *cookie, int row, int col, u_int c, long attr) 632 { 633 struct rasops_info *ri = cookie; 634 struct wsdisplay_font *font = PICK_FONT(ri, c); 635 struct vcons_screen *scr = ri->ri_hw; 636 struct mgx_softc *sc = scr->scr_cookie; 637 uint32_t fg, bg; 638 int x, y, wi, he, rv; 639 640 wi = font->fontwidth; 641 he = font->fontheight; 642 643 bg = (attr >> 16) & 0xf; 644 fg = (attr >> 24) & 0xf; 645 646 x = ri->ri_xorigin + col * wi; 647 y = ri->ri_yorigin + row * he; 648 649 if (c == 0x20) { 650 mgx_rectfill(sc, x, y, wi, he, bg); 651 if (attr & 1) 652 mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); 653 return; 654 } 655 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 656 if (rv != GC_OK) { 657 volatile uint32_t junk; 658 659 mgx_wait_engine(sc); 660 sc->sc_putchar(cookie, row, col, c, attr & ~1); 661 if (rv == GC_ADD) { 662 junk = *(uint32_t *)sc->sc_fbaddr; 663 __USE(junk); 664 glyphcache_add(&sc->sc_gc, c, x, y); 665 } 666 } 667 if (attr & 1) 668 mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); 669 } 670 671 static void 672 mgx_cursor(void *cookie, int on, int row, int col) 673 { 674 struct rasops_info *ri = cookie; 675 struct vcons_screen *scr = ri->ri_hw; 676 struct mgx_softc *sc = scr->scr_cookie; 677 int x, y, wi,he; 678 679 wi = ri->ri_font->fontwidth; 680 he = ri->ri_font->fontheight; 681 682 if (ri->ri_flg & RI_CURSOR) { 683 x = ri->ri_ccol * wi + ri->ri_xorigin; 684 y = ri->ri_crow * he + ri->ri_yorigin; 685 mgx_bitblt(sc, x, y, x, y, wi, he, ROP_INV); 686 ri->ri_flg &= ~RI_CURSOR; 687 } 688 689 ri->ri_crow = row; 690 ri->ri_ccol = col; 691 692 if (on) 693 { 694 x = ri->ri_ccol * wi + ri->ri_xorigin; 695 y = ri->ri_crow * he + ri->ri_yorigin; 696 mgx_bitblt(sc, x, y, x, y, wi, he, ROP_INV); 697 ri->ri_flg |= RI_CURSOR; 698 } 699 } 700 701 static void 702 mgx_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 703 { 704 struct rasops_info *ri = cookie; 705 struct vcons_screen *scr = ri->ri_hw; 706 struct mgx_softc *sc = scr->scr_cookie; 707 int32_t xs, xd, y, width, height; 708 709 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 710 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 711 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 712 width = ri->ri_font->fontwidth * ncols; 713 height = ri->ri_font->fontheight; 714 mgx_bitblt(sc, xs, y, xd, y, width, height, ROP_SRC); 715 } 716 717 static void 718 mgx_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 719 { 720 struct rasops_info *ri = cookie; 721 struct vcons_screen *scr = ri->ri_hw; 722 struct mgx_softc *sc = scr->scr_cookie; 723 int32_t x, y, width, height, bg; 724 725 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 726 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 727 width = ri->ri_font->fontwidth * ncols; 728 height = ri->ri_font->fontheight; 729 bg = (fillattr >> 16) & 0xff; 730 mgx_rectfill(sc, x, y, width, height, bg); 731 } 732 733 static void 734 mgx_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 735 { 736 struct rasops_info *ri = cookie; 737 struct vcons_screen *scr = ri->ri_hw; 738 struct mgx_softc *sc = scr->scr_cookie; 739 int32_t x, ys, yd, width, height; 740 741 x = ri->ri_xorigin; 742 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 743 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 744 width = ri->ri_emuwidth; 745 height = ri->ri_font->fontheight * nrows; 746 mgx_bitblt(sc, x, ys, x, yd, width, height, ROP_SRC); 747 } 748 749 static void 750 mgx_eraserows(void *cookie, int row, int nrows, long fillattr) 751 { 752 struct rasops_info *ri = cookie; 753 struct vcons_screen *scr = ri->ri_hw; 754 struct mgx_softc *sc = scr->scr_cookie; 755 int32_t x, y, width, height, bg; 756 757 if ((row == 0) && (nrows == ri->ri_rows)) { 758 x = y = 0; 759 width = ri->ri_width; 760 height = ri->ri_height; 761 } else { 762 x = ri->ri_xorigin; 763 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 764 width = ri->ri_emuwidth; 765 height = ri->ri_font->fontheight * nrows; 766 } 767 bg = (fillattr >> 16) & 0xff; 768 mgx_rectfill(sc, x, y, width, height, bg); 769 } 770 771 static void 772 mgx_init_screen(void *cookie, struct vcons_screen *scr, 773 int existing, long *defattr) 774 { 775 struct mgx_softc *sc = cookie; 776 struct rasops_info *ri = &scr->scr_ri; 777 778 ri->ri_depth = sc->sc_depth; 779 ri->ri_width = sc->sc_width; 780 ri->ri_height = sc->sc_height; 781 ri->ri_stride = sc->sc_stride; 782 ri->ri_flg = RI_CENTER | RI_ENABLE_ALPHA; 783 784 if (ri->ri_depth == 8) 785 ri->ri_flg |= RI_8BIT_IS_RGB; 786 787 #ifdef MGX_NOACCEL 788 scr->scr_flags |= VCONS_DONT_READ; 789 #endif 790 791 ri->ri_rnum = 8; 792 ri->ri_rpos = 0; 793 ri->ri_gnum = 8; 794 ri->ri_gpos = 8; 795 ri->ri_bnum = 8; 796 ri->ri_bpos = 16; 797 798 ri->ri_bits = sc->sc_fbaddr; 799 800 rasops_init(ri, 0, 0); 801 sc->sc_putchar = ri->ri_ops.putchar; 802 803 ri->ri_caps = WSSCREEN_REVERSE | WSSCREEN_WSCOLORS; 804 805 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 806 ri->ri_width / ri->ri_font->fontwidth); 807 808 ri->ri_hw = scr; 809 810 #ifdef MGX_NOACCEL 811 if (0) 812 #endif 813 { 814 ri->ri_ops.putchar = mgx_putchar; 815 ri->ri_ops.cursor = mgx_cursor; 816 ri->ri_ops.copyrows = mgx_copyrows; 817 ri->ri_ops.eraserows = mgx_eraserows; 818 ri->ri_ops.copycols = mgx_copycols; 819 ri->ri_ops.erasecols = mgx_erasecols; 820 } 821 } 822 823 static int 824 mgx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 825 struct lwp *l) 826 { 827 struct vcons_data *vd = v; 828 struct mgx_softc *sc = vd->cookie; 829 struct wsdisplay_fbinfo *wdf; 830 struct vcons_screen *ms = vd->active; 831 832 switch (cmd) { 833 case WSDISPLAYIO_GTYPE: 834 *(u_int *)data = WSDISPLAY_TYPE_MGX; 835 return 0; 836 837 case WSDISPLAYIO_GINFO: 838 wdf = (void *)data; 839 wdf->height = sc->sc_height; 840 wdf->width = sc->sc_width; 841 wdf->depth = 8; 842 wdf->cmsize = 256; 843 return 0; 844 845 case FBIOGVIDEO: 846 case WSDISPLAYIO_GVIDEO: 847 *(int *)data = sc->sc_video; 848 return 0; 849 850 case WSDISPLAYIO_SVIDEO: 851 case FBIOSVIDEO: 852 mgx_set_video(sc, *(int *)data); 853 return 0; 854 855 case WSDISPLAYIO_LINEBYTES: 856 { 857 int *ret = (int *)data; 858 *ret = sc->sc_stride; 859 } 860 return 0; 861 862 case WSDISPLAYIO_SMODE: 863 { 864 int new_mode = *(int*)data; 865 if (new_mode != sc->sc_mode) 866 { 867 sc->sc_mode = new_mode; 868 if (new_mode == WSDISPLAYIO_MODE_EMUL) 869 { 870 mgx_setup(sc, MGX_DEPTH); 871 glyphcache_wipe(&sc->sc_gc); 872 mgx_init_palette(sc); 873 vcons_redraw_screen(ms); 874 } else { 875 mgx_setup(sc, 32); 876 mgx_init_palette(sc); 877 } 878 } 879 } 880 return 0; 881 882 case WSDISPLAYIO_GETCMAP: 883 return mgx_getcmap(sc, (struct wsdisplay_cmap *)data); 884 885 case WSDISPLAYIO_PUTCMAP: 886 return mgx_putcmap(sc, (struct wsdisplay_cmap *)data); 887 888 case WSDISPLAYIO_GCURPOS: 889 { 890 struct wsdisplay_curpos *cp = (void *)data; 891 892 cp->x = sc->sc_cursor_x; 893 cp->y = sc->sc_cursor_y; 894 } 895 return 0; 896 897 case WSDISPLAYIO_SCURPOS: 898 { 899 struct wsdisplay_curpos *cp = (void *)data; 900 901 sc->sc_cursor_x = cp->x; 902 sc->sc_cursor_y = cp->y; 903 mgx_set_cursor(sc); 904 } 905 return 0; 906 907 case WSDISPLAYIO_GCURMAX: 908 { 909 struct wsdisplay_curpos *cp = (void *)data; 910 911 cp->x = 64; 912 cp->y = 64; 913 } 914 return 0; 915 916 case WSDISPLAYIO_SCURSOR: 917 { 918 struct wsdisplay_cursor *cursor = (void *)data; 919 920 return mgx_do_cursor(sc, cursor); 921 } 922 case WSDISPLAYIO_GET_FBINFO: 923 { 924 struct wsdisplayio_fbinfo *fbi = data; 925 926 fbi->fbi_fbsize = sc->sc_fbsize - 1024; 927 fbi->fbi_width = sc->sc_width; 928 fbi->fbi_height = sc->sc_height; 929 fbi->fbi_bitsperpixel = sc->sc_depth; 930 fbi->fbi_stride = sc->sc_stride; 931 fbi->fbi_pixeltype = WSFB_RGB; 932 fbi->fbi_subtype.fbi_rgbmasks.red_offset = 8; 933 fbi->fbi_subtype.fbi_rgbmasks.red_size = 8; 934 fbi->fbi_subtype.fbi_rgbmasks.green_offset = 16; 935 fbi->fbi_subtype.fbi_rgbmasks.green_size = 8; 936 fbi->fbi_subtype.fbi_rgbmasks.blue_offset = 24; 937 fbi->fbi_subtype.fbi_rgbmasks.blue_size = 8; 938 fbi->fbi_subtype.fbi_rgbmasks.alpha_offset = 0; 939 fbi->fbi_subtype.fbi_rgbmasks.alpha_size = 8; 940 return 0; 941 } 942 } 943 return EPASSTHROUGH; 944 } 945 946 static paddr_t 947 mgx_mmap(void *v, void *vs, off_t offset, int prot) 948 { 949 struct vcons_data *vd = v; 950 struct mgx_softc *sc = vd->cookie; 951 952 /* regular fb mapping at 0 */ 953 if ((offset >= 0) && (offset < sc->sc_fbsize)) { 954 return bus_space_mmap(sc->sc_tag, sc->sc_paddr, 955 offset, prot, BUS_SPACE_MAP_LINEAR); 956 } 957 958 return -1; 959 } 960 961 static int 962 mgx_do_cursor(struct mgx_softc *sc, struct wsdisplay_cursor *cur) 963 { 964 int i; 965 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 966 967 if (cur->enable) { 968 mgx_set_cursor(sc); 969 mgx_write_1(sc, ATR_CURSOR_ENABLE, 1); 970 } else { 971 mgx_write_1(sc, ATR_CURSOR_ENABLE, 0); 972 } 973 } 974 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 975 976 sc->sc_hotspot_x = cur->hot.x; 977 sc->sc_hotspot_y = cur->hot.y; 978 mgx_set_cursor(sc); 979 } 980 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 981 982 sc->sc_cursor_x = cur->pos.x; 983 sc->sc_cursor_y = cur->pos.y; 984 mgx_set_cursor(sc); 985 } 986 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 987 int cnt = min(2, cur->cmap.count); 988 uint8_t c; 989 uint8_t r[2], g[2], b[2]; 990 991 copyin(cur->cmap.red, r, cnt); 992 copyin(cur->cmap.green, g, cnt); 993 copyin(cur->cmap.blue, b, cnt); 994 995 for (i = 0; i < cnt; i++) { 996 c = r[i] & 0xe0; 997 c |= (g[i] & 0xe0) >> 3; 998 c |= (b[i] & 0xc0) >> 6; 999 mgx_write_1(sc, ATR_CURSOR_FG + i, c); 1000 } 1001 } 1002 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 1003 int j; 1004 uint8_t *fb = sc->sc_cursor; 1005 uint8_t temp; 1006 uint8_t im, ma, px; 1007 1008 for (i = 0; i < 512; i++) { 1009 temp = 0; 1010 copyin(&cur->image[i], &im, 1); 1011 copyin(&cur->mask[i], &ma, 1); 1012 for (j = 0; j < 4; j++) { 1013 temp >>= 2; 1014 px = (ma & 1) ? 0 : 0x80; 1015 if (px == 0) 1016 px |= (im & 1) ? 0 : 0x40; 1017 temp |= px; 1018 im >>= 1; 1019 ma >>= 1; 1020 } 1021 *fb = temp; 1022 fb++; 1023 temp = 0; 1024 for (j = 0; j < 4; j++) { 1025 temp >>= 2; 1026 px = (ma & 1) ? 0 : 0x80; 1027 if (px == 0) 1028 px |= (im & 1) ? 0 : 0x40; 1029 temp |= px; 1030 im >>= 1; 1031 ma >>= 1; 1032 } 1033 *fb = temp; 1034 fb++; 1035 } 1036 } 1037 return 0; 1038 } 1039 1040 static void 1041 mgx_set_cursor(struct mgx_softc *sc) 1042 { 1043 uint32_t reg; 1044 uint16_t hot; 1045 1046 reg = (sc->sc_cursor_y << 16) | (sc->sc_cursor_x & 0xffff); 1047 mgx_write_4(sc, ATR_CURSOR_POSITION, reg); 1048 hot = (sc->sc_hotspot_y << 8) | (sc->sc_hotspot_x & 0xff); 1049 mgx_write_2(sc, ATR_CURSOR_HOTSPOT, hot); 1050 } 1051 1052 static void 1053 mgx_set_video(struct mgx_softc *sc, int v) 1054 { 1055 uint8_t reg; 1056 1057 if (sc->sc_video == v) 1058 return; 1059 1060 sc->sc_video = v; 1061 reg = mgx_read_1(sc, ATR_DPMS); 1062 1063 if (v == WSDISPLAYIO_VIDEO_ON) { 1064 reg &= ~DPMS_SYNC_DISABLE_ALL; 1065 } else { 1066 reg |= DPMS_SYNC_DISABLE_ALL; 1067 } 1068 mgx_write_1(sc, ATR_DPMS, reg); 1069 } 1070
Indexes created Thu Oct 02 01:09:59 GMT 2025