1 /* $NetBSD: crmfb.c,v 1.25 2008/05/08 02:10:59 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca> 5 * 2008 Michael Lorenz <macallan@netbsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * SGI-CRM (O2) Framebuffer driver 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: crmfb.c,v 1.25 2008/05/08 02:10:59 jmcneill Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 42 #define _SGIMIPS_BUS_DMA_PRIVATE 43 #include <machine/autoconf.h> 44 #include <machine/bus.h> 45 #include <machine/machtype.h> 46 #include <machine/vmparam.h> 47 48 #include <dev/arcbios/arcbios.h> 49 #include <dev/arcbios/arcbiosvar.h> 50 51 #include <dev/wscons/wsdisplayvar.h> 52 #include <dev/wscons/wsconsio.h> 53 #include <dev/wsfont/wsfont.h> 54 #include <dev/rasops/rasops.h> 55 #include <dev/wscons/wsdisplay_vconsvar.h> 56 57 #include <arch/sgimips/dev/crmfbreg.h> 58 59 /*#define CRMFB_DEBUG*/ 60 61 struct wsscreen_descr crmfb_defaultscreen = { 62 "default", 63 0, 0, 64 NULL, 65 8, 16, 66 WSSCREEN_WSCOLORS, 67 NULL, 68 }; 69 70 const struct wsscreen_descr *_crmfb_scrlist[] = { 71 &crmfb_defaultscreen, 72 }; 73 74 struct wsscreen_list crmfb_screenlist = { 75 sizeof(_crmfb_scrlist) / sizeof(struct wsscreen_descr *), 76 _crmfb_scrlist 77 }; 78 79 static struct vcons_screen crmfb_console_screen; 80 81 static int crmfb_ioctl(void *, void *, u_long, void *, int, struct lwp *); 82 static paddr_t crmfb_mmap(void *, void *, off_t, int); 83 static void crmfb_init_screen(void *, struct vcons_screen *, int, long *); 84 85 struct wsdisplay_accessops crmfb_accessops = { 86 crmfb_ioctl, 87 crmfb_mmap, 88 NULL, /* alloc_screen */ 89 NULL, /* free_screen */ 90 NULL, /* show_screen */ 91 NULL, /* load_font */ 92 NULL, /* pollc */ 93 NULL, /* scroll */ 94 }; 95 96 /* Memory to allocate to SGI-CRM -- remember, this is stolen from 97 * host memory! 98 */ 99 #define CRMFB_TILESIZE (512*128) 100 101 static int crmfb_match(struct device *, struct cfdata *, void *); 102 static void crmfb_attach(struct device *, struct device *, void *); 103 int crmfb_probe(void); 104 105 #define KERNADDR(p) ((void *)((p).addr)) 106 #define DMAADDR(p) ((p).map->dm_segs[0].ds_addr) 107 108 #define CRMFB_REG_MASK(msb, lsb) \ 109 ( (((uint32_t) 1 << ((msb)-(lsb)+1)) - 1) << (lsb) ) 110 111 112 struct crmfb_dma { 113 bus_dmamap_t map; 114 void *addr; 115 bus_dma_segment_t segs[1]; 116 int nsegs; 117 size_t size; 118 }; 119 120 struct crmfb_softc { 121 struct device sc_dev; 122 struct vcons_data sc_vd; 123 124 bus_space_tag_t sc_iot; 125 bus_space_handle_t sc_ioh; 126 bus_space_handle_t sc_reh; 127 128 bus_dma_tag_t sc_dmat; 129 130 struct crmfb_dma sc_dma; 131 struct crmfb_dma sc_dmai; 132 133 int sc_width; 134 int sc_height; 135 int sc_depth; 136 int sc_tiles_x, sc_tiles_y; 137 uint32_t sc_fbsize; 138 int sc_mte_direction; 139 uint8_t *sc_scratch; 140 paddr_t sc_linear; 141 struct rasops_info sc_rasops; 142 int sc_cells; 143 int sc_current_cell; 144 int sc_wsmode; 145 146 /* cursor stuff */ 147 int sc_cur_x; 148 int sc_cur_y; 149 int sc_hot_x; 150 int sc_hot_y; 151 152 u_char sc_cmap_red[256]; 153 u_char sc_cmap_green[256]; 154 u_char sc_cmap_blue[256]; 155 }; 156 157 static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *); 158 static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *); 159 static void crmfb_set_palette(struct crmfb_softc *, 160 int, uint8_t, uint8_t, uint8_t); 161 static int crmfb_set_curpos(struct crmfb_softc *, int, int); 162 static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *); 163 static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *); 164 static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t); 165 static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int); 166 static int crmfb_wait_dma_idle(struct crmfb_softc *); 167 168 /* setup video hw in given colour depth */ 169 static int crmfb_setup_video(struct crmfb_softc *, int); 170 static void crmfb_setup_palette(struct crmfb_softc *); 171 172 #ifdef CRMFB_DEBUG 173 void crmfb_test_mte(struct crmfb_softc *); 174 #endif 175 176 static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t); 177 static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int, 178 uint32_t); 179 static void crmfb_scroll(struct crmfb_softc *, int, int, int, int, int, int); 180 181 static void crmfb_copycols(void *, int, int, int, int); 182 static void crmfb_erasecols(void *, int, int, int, long); 183 static void crmfb_copyrows(void *, int, int, int); 184 static void crmfb_eraserows(void *, int, int, long); 185 static void crmfb_cursor(void *, int, int, int); 186 static void crmfb_putchar(void *, int, int, u_int, long); 187 188 CFATTACH_DECL(crmfb, sizeof(struct crmfb_softc), 189 crmfb_match, crmfb_attach, NULL, NULL); 190 191 static int 192 crmfb_match(struct device *parent, struct cfdata *cf, void *opaque) 193 { 194 return crmfb_probe(); 195 } 196 197 static void 198 crmfb_attach(struct device *parent, struct device *self, void *opaque) 199 { 200 struct mainbus_attach_args *ma; 201 struct crmfb_softc *sc; 202 struct rasops_info *ri; 203 struct wsemuldisplaydev_attach_args aa; 204 uint32_t d, h; 205 uint16_t *p; 206 unsigned long v; 207 long defattr; 208 const char *consdev; 209 int rv, i; 210 211 sc = (struct crmfb_softc *)self; 212 ma = (struct mainbus_attach_args *)opaque; 213 214 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME; 215 sc->sc_dmat = &sgimips_default_bus_dma_tag; 216 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL; 217 218 aprint_normal(": SGI CRIME Graphics Display Engine\n"); 219 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */, 220 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh); 221 if (rv) 222 panic("crmfb_attach: can't map I/O space"); 223 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh); 224 if (rv) 225 panic("crmfb_attach: can't map rendering engine"); 226 227 /* determine mode configured by firmware */ 228 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP); 229 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff; 230 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP); 231 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff; 232 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE); 233 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3; 234 if (h == 0) 235 sc->sc_depth = 8; 236 else if (h == 1) 237 sc->sc_depth = 16; 238 else 239 sc->sc_depth = 32; 240 241 if (sc->sc_width == 0 || sc->sc_height == 0) { 242 aprint_error("%s: device unusable if not setup by firmware\n", 243 sc->sc_dev.dv_xname); 244 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */); 245 return; 246 } 247 248 aprint_normal("%s: initial resolution %dx%d\n", 249 sc->sc_dev.dv_xname, sc->sc_width, sc->sc_height); 250 251 /* 252 * first determine how many tiles we need 253 * in 32bit each tile is 128x128 pixels 254 */ 255 sc->sc_tiles_x = (sc->sc_width + 127) >> 7; 256 sc->sc_tiles_y = (sc->sc_height + 127) >> 7; 257 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y; 258 259 sc->sc_dmai.size = 256 * sizeof(uint16_t); 260 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0, 261 sc->sc_dmai.segs, 262 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]), 263 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT); 264 if (rv) 265 panic("crmfb_attach: can't allocate DMA memory"); 266 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs, 267 sc->sc_dmai.size, &sc->sc_dmai.addr, 268 BUS_DMA_NOWAIT); 269 if (rv) 270 panic("crmfb_attach: can't map DMA memory"); 271 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1, 272 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map); 273 if (rv) 274 panic("crmfb_attach: can't create DMA map"); 275 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr, 276 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT); 277 if (rv) 278 panic("crmfb_attach: can't load DMA map"); 279 280 /* allocate an extra 64Kb for a linear buffer */ 281 sc->sc_dma.size = 0x10000 * (16 * sc->sc_tiles_x + 1); 282 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0, 283 sc->sc_dma.segs, 284 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]), 285 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT); 286 if (rv) 287 panic("crmfb_attach: can't allocate DMA memory"); 288 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs, 289 sc->sc_dma.size, &sc->sc_dma.addr, 290 BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 291 if (rv) 292 panic("crmfb_attach: can't map DMA memory"); 293 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1, 294 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map); 295 if (rv) 296 panic("crmfb_attach: can't create DMA map"); 297 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr, 298 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT); 299 if (rv) 300 panic("crmfb_attach: can't load DMA map"); 301 302 p = KERNADDR(sc->sc_dmai); 303 v = (unsigned long)DMAADDR(sc->sc_dma); 304 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) { 305 p[i] = ((uint32_t)v >> 16) + i; 306 } 307 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * sc->sc_tiles_x); 308 sc->sc_linear = (paddr_t)DMAADDR(sc->sc_dma) + 0x100000 * sc->sc_tiles_x; 309 310 aprint_normal("%s: allocated %d byte fb @ %p (%p)\n", 311 sc->sc_dev.dv_xname, 312 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma)); 313 314 sc->sc_current_cell = 0; 315 316 crmfb_setup_video(sc, 8); 317 ri = &crmfb_console_screen.scr_ri; 318 memset(ri, 0, sizeof(struct rasops_info)); 319 320 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops); 321 sc->sc_vd.init_screen = crmfb_init_screen; 322 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 323 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr); 324 325 crmfb_defaultscreen.ncols = ri->ri_cols; 326 crmfb_defaultscreen.nrows = ri->ri_rows; 327 crmfb_defaultscreen.textops = &ri->ri_ops; 328 crmfb_defaultscreen.capabilities = ri->ri_caps; 329 crmfb_defaultscreen.modecookie = NULL; 330 331 crmfb_setup_palette(sc); 332 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height, 333 ri->ri_devcmap[(defattr >> 16) & 0xff]); 334 335 consdev = ARCBIOS->GetEnvironmentVariable("ConsoleOut"); 336 if (consdev != NULL && strcmp(consdev, "video()") == 0) { 337 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr); 338 aa.console = 1; 339 } else 340 aa.console = 0; 341 aa.scrdata = &crmfb_screenlist; 342 aa.accessops = &crmfb_accessops; 343 aa.accesscookie = &sc->sc_vd; 344 345 config_found(self, &aa, wsemuldisplaydevprint); 346 347 sc->sc_cur_x = 0; 348 sc->sc_cur_y = 0; 349 sc->sc_hot_x = 0; 350 sc->sc_hot_y = 0; 351 352 #ifdef CRMFB_DEBUG 353 crmfb_test_mte(sc); 354 #endif 355 return; 356 } 357 358 int 359 crmfb_probe(void) 360 { 361 362 if (mach_type != MACH_SGI_IP32) 363 return 0; 364 365 return 1; 366 } 367 368 static int 369 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 370 { 371 struct vcons_data *vd; 372 struct crmfb_softc *sc; 373 struct vcons_screen *ms; 374 struct wsdisplay_fbinfo *wdf; 375 int nmode; 376 377 vd = (struct vcons_data *)v; 378 sc = (struct crmfb_softc *)vd->cookie; 379 ms = (struct vcons_screen *)vd->active; 380 381 switch (cmd) { 382 case WSDISPLAYIO_GTYPE: 383 /* not really, but who cares? */ 384 /* wsfb does */ 385 *(u_int *)data = WSDISPLAY_TYPE_CRIME; 386 return 0; 387 case WSDISPLAYIO_GINFO: 388 if (vd->active != NULL) { 389 wdf = (void *)data; 390 wdf->height = sc->sc_height; 391 wdf->width = sc->sc_width; 392 wdf->depth = 32; 393 wdf->cmsize = 256; 394 return 0; 395 } else 396 return ENODEV; 397 case WSDISPLAYIO_GETCMAP: 398 if (sc->sc_depth == 8) 399 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data); 400 else 401 return EINVAL; 402 case WSDISPLAYIO_PUTCMAP: 403 if (sc->sc_depth == 8) 404 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data); 405 else 406 return EINVAL; 407 case WSDISPLAYIO_LINEBYTES: 408 *(u_int *)data = sc->sc_width * sc->sc_depth / 8; 409 return 0; 410 case WSDISPLAYIO_SMODE: 411 nmode = *(int *)data; 412 if (nmode != sc->sc_wsmode) { 413 sc->sc_wsmode = nmode; 414 if (nmode == WSDISPLAYIO_MODE_EMUL) { 415 crmfb_setup_video(sc, 8); 416 crmfb_setup_palette(sc); 417 vcons_redraw_screen(vd->active); 418 } else { 419 crmfb_setup_video(sc, 32); 420 } 421 } 422 return 0; 423 case WSDISPLAYIO_SVIDEO: 424 case WSDISPLAYIO_GVIDEO: 425 return ENODEV; /* not supported yet */ 426 427 case WSDISPLAYIO_GCURPOS: 428 { 429 struct wsdisplay_curpos *pos; 430 431 pos = (struct wsdisplay_curpos *)data; 432 pos->x = sc->sc_cur_x; 433 pos->y = sc->sc_cur_y; 434 } 435 return 0; 436 case WSDISPLAYIO_SCURPOS: 437 { 438 struct wsdisplay_curpos *pos; 439 440 pos = (struct wsdisplay_curpos *)data; 441 crmfb_set_curpos(sc, pos->x, pos->y); 442 } 443 return 0; 444 case WSDISPLAYIO_GCURMAX: 445 { 446 struct wsdisplay_curpos *pos; 447 448 pos = (struct wsdisplay_curpos *)data; 449 pos->x = 32; 450 pos->y = 32; 451 } 452 return 0; 453 case WSDISPLAYIO_GCURSOR: 454 { 455 struct wsdisplay_cursor *cu; 456 457 cu = (struct wsdisplay_cursor *)data; 458 return crmfb_gcursor(sc, cu); 459 } 460 case WSDISPLAYIO_SCURSOR: 461 { 462 struct wsdisplay_cursor *cu; 463 464 cu = (struct wsdisplay_cursor *)data; 465 return crmfb_scursor(sc, cu); 466 } 467 } 468 return EPASSTHROUGH; 469 } 470 471 static paddr_t 472 crmfb_mmap(void *v, void *vs, off_t offset, int prot) 473 { 474 struct vcons_data *vd; 475 struct crmfb_softc *sc; 476 paddr_t pa; 477 478 vd = (struct vcons_data *)v; 479 sc = (struct crmfb_softc *)vd->cookie; 480 481 /* we probably shouldn't let anyone mmap the framebuffer */ 482 #if 1 483 if (offset >= 0 && offset < (0x100000 * sc->sc_tiles_x)) { 484 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs, 485 sc->sc_dma.nsegs, offset, prot, 486 BUS_DMA_WAITOK | BUS_DMA_COHERENT); 487 return pa; 488 } 489 #endif 490 /* 491 * here would the TLBs be but we don't want to show them to userland 492 * so we return the page containing the status register 493 */ 494 if ((offset >= 0x15000000) && (offset < 0x15002000)) 495 return bus_space_mmap(sc->sc_iot, 0x15004000, 0, prot, 0); 496 /* now the actual engine registers */ 497 if ((offset >= 0x15002000) && (offset < 0x15005000)) 498 return bus_space_mmap(sc->sc_iot, offset, 0, prot, 0); 499 /* and now the scratch area */ 500 if ((offset >= 0x15010000) && (offset < 0x15020000)) 501 return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs, 502 sc->sc_dma.nsegs, 503 offset + (0x100000 * sc->sc_tiles_x) - 0x15010000, 504 prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT); 505 return -1; 506 } 507 508 static void 509 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing, 510 long *defattr) 511 { 512 struct crmfb_softc *sc; 513 struct rasops_info *ri; 514 515 sc = (struct crmfb_softc *)c; 516 ri = &scr->scr_ri; 517 518 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 519 ri->ri_depth = sc->sc_depth; 520 ri->ri_width = sc->sc_width; 521 ri->ri_height = sc->sc_height; 522 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8); 523 524 switch (ri->ri_depth) { 525 case 16: 526 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5; 527 ri->ri_rpos = 10; 528 ri->ri_gpos = 5; 529 ri->ri_bpos = 0; 530 break; 531 case 32: 532 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8; 533 ri->ri_rpos = 8; 534 ri->ri_gpos = 16; 535 ri->ri_bpos = 24; 536 break; 537 } 538 539 ri->ri_bits = KERNADDR(sc->sc_dma); 540 541 if (existing) 542 ri->ri_flg |= RI_CLEAR; 543 544 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8); 545 ri->ri_caps = WSSCREEN_WSCOLORS; 546 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 547 ri->ri_width / ri->ri_font->fontwidth); 548 ri->ri_hw = scr; 549 550 /* now make a fake rasops_info for drawing into the scratch tile */ 551 memcpy(&sc->sc_rasops, ri, sizeof(struct rasops_info)); 552 sc->sc_rasops.ri_width = 512; /* assume we're always in 8bit here */ 553 sc->sc_rasops.ri_stride = 512; 554 sc->sc_rasops.ri_height = 128; 555 sc->sc_rasops.ri_xorigin = 0; 556 sc->sc_rasops.ri_yorigin = 0; 557 sc->sc_rasops.ri_bits = sc->sc_scratch; 558 sc->sc_cells = 512 / ri->ri_font->fontwidth; 559 560 ri->ri_ops.cursor = crmfb_cursor; 561 ri->ri_ops.copyrows = crmfb_copyrows; 562 ri->ri_ops.eraserows = crmfb_eraserows; 563 ri->ri_ops.copycols = crmfb_copycols; 564 ri->ri_ops.erasecols = crmfb_erasecols; 565 ri->ri_ops.putchar = crmfb_putchar; 566 567 return; 568 } 569 570 static int 571 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm) 572 { 573 u_int idx, cnt; 574 u_char r[256], g[256], b[256]; 575 u_char *rp, *gp, *bp; 576 int rv, i; 577 578 idx = cm->index; 579 cnt = cm->count; 580 581 if (idx >= 255 || cnt > 256 || idx + cnt > 256) 582 return EINVAL; 583 584 rv = copyin(cm->red, &r[idx], cnt); 585 if (rv) 586 return rv; 587 rv = copyin(cm->green, &g[idx], cnt); 588 if (rv) 589 return rv; 590 rv = copyin(cm->blue, &b[idx], cnt); 591 if (rv) 592 return rv; 593 594 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt); 595 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt); 596 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt); 597 598 rp = &sc->sc_cmap_red[idx]; 599 gp = &sc->sc_cmap_green[idx]; 600 bp = &sc->sc_cmap_blue[idx]; 601 602 for (i = 0; i < cnt; i++) { 603 crmfb_set_palette(sc, idx, *rp, *gp, *bp); 604 idx++; 605 rp++, gp++, bp++; 606 } 607 608 return 0; 609 } 610 611 static int 612 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm) 613 { 614 u_int idx, cnt; 615 int rv; 616 617 idx = cm->index; 618 cnt = cm->count; 619 620 if (idx >= 255 || cnt > 256 || idx + cnt > 256) 621 return EINVAL; 622 623 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt); 624 if (rv) 625 return rv; 626 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt); 627 if (rv) 628 return rv; 629 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt); 630 if (rv) 631 return rv; 632 633 return 0; 634 } 635 636 static void 637 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g, 638 uint8_t b) 639 { 640 uint32_t val; 641 642 if (reg > 255 || sc->sc_depth != 8) 643 return; 644 645 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63) 646 DELAY(10); 647 648 val = (r << 8) | (g << 16) | (b << 24); 649 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val); 650 651 return; 652 } 653 654 static int 655 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y) 656 { 657 uint32_t val; 658 659 sc->sc_cur_x = x; 660 sc->sc_cur_y = y; 661 662 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16); 663 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val); 664 665 return 0; 666 } 667 668 static int 669 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur) 670 { 671 /* do nothing for now */ 672 return 0; 673 } 674 675 static int 676 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur) 677 { 678 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 679 680 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0); 681 } 682 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 683 684 sc->sc_hot_x = cur->hot.x; 685 sc->sc_hot_y = cur->hot.y; 686 } 687 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 688 689 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y); 690 } 691 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 692 int i; 693 uint32_t val; 694 695 for (i = 0; i < cur->cmap.count; i++) { 696 val = (cur->cmap.red[i] << 24) | 697 (cur->cmap.green[i] << 16) | 698 (cur->cmap.blue[i] << 8); 699 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 + 700 ((i + cur->cmap.index) << 2), val); 701 } 702 } 703 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 704 705 int i, j, cnt = 0; 706 uint32_t latch = 0, omask; 707 uint8_t imask; 708 for (i = 0; i < 64; i++) { 709 omask = 0x80000000; 710 imask = 0x01; 711 cur->image[cnt] &= cur->mask[cnt]; 712 for (j = 0; j < 8; j++) { 713 if (cur->image[cnt] & imask) 714 latch |= omask; 715 omask >>= 1; 716 if (cur->mask[cnt] & imask) 717 latch |= omask; 718 omask >>= 1; 719 imask <<= 1; 720 } 721 cnt++; 722 imask = 0x01; 723 cur->image[cnt] &= cur->mask[cnt]; 724 for (j = 0; j < 8; j++) { 725 if (cur->image[cnt] & imask) 726 latch |= omask; 727 omask >>= 1; 728 if (cur->mask[cnt] & imask) 729 latch |= omask; 730 omask >>= 1; 731 imask <<= 1; 732 } 733 cnt++; 734 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2), 735 latch); 736 latch = 0; 737 } 738 } 739 return 0; 740 } 741 742 static inline void 743 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val) 744 { 745 746 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val); 747 wbflush(); 748 } 749 750 static inline uint32_t 751 crmfb_read_reg(struct crmfb_softc *sc, int offset) 752 { 753 754 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset); 755 } 756 757 static int 758 crmfb_wait_dma_idle(struct crmfb_softc *sc) 759 { 760 int bail = 100000, idle; 761 762 do { 763 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, 764 CRMFB_OVR_CONTROL) & 1) == 0) && 765 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, 766 CRMFB_FRM_CONTROL) & 1) == 0) && 767 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, 768 CRMFB_DID_CONTROL) & 1) == 0); 769 if (!idle) 770 delay(10); 771 bail--; 772 } while ((!idle) && (bail > 0)); 773 return idle; 774 } 775 776 static int 777 crmfb_setup_video(struct crmfb_softc *sc, int depth) 778 { 779 uint64_t reg; 780 uint32_t d, h, mode, page; 781 int i, bail, tile_width, tlbptr, lptr, j, tx, shift; 782 const char *wantsync; 783 uint16_t v; 784 785 /* disable DMA */ 786 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL); 787 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT); 788 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d); 789 DELAY(50000); 790 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL); 791 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT); 792 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); 793 DELAY(50000); 794 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0); 795 DELAY(50000); 796 797 if (!crmfb_wait_dma_idle(sc)) 798 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n"); 799 800 /* ensure that CRM starts drawing at the top left of the screen 801 * when we re-enable DMA later 802 */ 803 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT); 804 crmfb_write_reg(sc, CRMFB_VT_XY, d); 805 delay(1000); 806 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK); 807 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT); 808 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d); 809 810 /* wait for dotclock to turn off */ 811 bail = 10000; 812 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) & 813 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) { 814 delay(10); 815 bail--; 816 } 817 818 /* reset FIFO */ 819 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE); 820 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT); 821 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d); 822 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT); 823 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d); 824 825 /* setup colour mode */ 826 switch (depth) { 827 case 8: 828 h = CRMFB_MODE_TYP_I8; 829 tile_width = 512; 830 break; 831 case 16: 832 h = CRMFB_MODE_TYP_ARGB5; 833 tile_width = 256; 834 break; 835 case 32: 836 h = CRMFB_MODE_TYP_RGB8; 837 tile_width = 128; 838 break; 839 default: 840 panic("Unsupported depth"); 841 } 842 d = h << CRMFB_MODE_TYP_SHIFT; 843 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT; 844 for (i = 0; i < (32 * 4); i += 4) 845 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d); 846 wbflush(); 847 848 /* setup tile pointer, but don't turn on DMA yet! */ 849 h = DMAADDR(sc->sc_dmai); 850 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT; 851 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); 852 853 /* init framebuffer width and pixel size */ 854 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/ 855 856 d = ((int)(sc->sc_width / tile_width)) << 857 CRMFB_FRM_TILESIZE_WIDTH_SHIFT; 858 if ((sc->sc_width & (tile_width - 1)) != 0) 859 d |= sc->sc_tiles_y; 860 861 switch (depth) { 862 case 8: 863 h = CRMFB_FRM_TILESIZE_DEPTH_8; 864 break; 865 case 16: 866 h = CRMFB_FRM_TILESIZE_DEPTH_16; 867 break; 868 case 32: 869 h = CRMFB_FRM_TILESIZE_DEPTH_32; 870 break; 871 default: 872 panic("Unsupported depth"); 873 } 874 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT); 875 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d); 876 877 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/ 878 h = sc->sc_height; 879 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT; 880 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d); 881 882 /* turn off firmware overlay and hardware cursor */ 883 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0); 884 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0); 885 886 /* enable drawing again */ 887 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK); 888 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT); 889 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d); 890 crmfb_write_reg(sc, CRMFB_VT_XY, 0); 891 892 /* turn on DMA for the framebuffer */ 893 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL); 894 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT); 895 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); 896 897 /* turn off sync-on-green */ 898 899 wantsync = ARCBIOS->GetEnvironmentVariable("SyncOnGreen"); 900 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) { 901 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) & 902 CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB, 903 CRMFB_VT_FLAGS_SYNC_LOW_LSB); 904 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d); 905 } 906 907 sc->sc_depth = depth; 908 909 /* finally set up the drawing engine's TLB A */ 910 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff; 911 tlbptr = 0; 912 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) / 913 tile_width; 914 915 #ifdef CRMFB_DEBUG 916 printf("tx: %d\n", tx); 917 #endif 918 919 for (i = 0; i < 16; i++) { 920 reg = 0; 921 shift = 64; 922 lptr = 0; 923 for (j = 0; j < tx; j++) { 924 shift -= 16; 925 reg |= (((uint64_t)(v | 0x8000)) << shift); 926 if (shift == 0) { 927 shift = 64; 928 bus_space_write_8(sc->sc_iot, sc->sc_reh, 929 CRIME_RE_TLB_A + tlbptr + lptr, 930 reg); 931 #ifdef CRMFB_DEBUG 932 printf("%04x: %016llx\n", tlbptr + lptr, reg); 933 #endif 934 reg = 0; 935 lptr += 8; 936 } 937 v++; 938 } 939 if (shift != 64) { 940 bus_space_write_8(sc->sc_iot, sc->sc_reh, 941 CRIME_RE_TLB_A + tlbptr + lptr, reg); 942 #ifdef CRMFB_DEBUG 943 printf("%04x: %016llx\n", tlbptr + lptr, reg); 944 #endif 945 } 946 tlbptr += 32; 947 } 948 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * tx); 949 950 /* now put the last 64kB into the 1st linear TLB */ 951 page = (sc->sc_linear >> 12) | 0x80000000; 952 tlbptr = 0; 953 for (i = 0; i < 8; i++) { 954 reg = ((uint64_t)page << 32) | (page + 1); 955 bus_space_write_8(sc->sc_iot, sc->sc_reh, 956 CRIME_RE_LINEAR_A + tlbptr, reg); 957 page += 2; 958 tlbptr += 8; 959 } 960 wbflush(); 961 962 /* do some very basic engine setup */ 963 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0); 964 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0); 965 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0); 966 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK, 967 0xffffffff); 968 969 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0); 970 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0); 971 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0); 972 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0); 973 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0); 974 975 switch (depth) { 976 case 8: 977 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | 978 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8; 979 break; 980 case 16: 981 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 | 982 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16; 983 break; 984 case 32: 985 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 | 986 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32; 987 break; 988 default: 989 panic("%s: unsuported colour depth %d\n", __func__, 990 depth); 991 } 992 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode); 993 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode); 994 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1); 995 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1); 996 997 /* initialize memory transfer engine */ 998 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, 999 MTE_MODE_DST_ECC | 1000 (MTE_TLB_A << MTE_DST_TLB_SHIFT) | 1001 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | 1002 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) | 1003 MTE_MODE_COPY); 1004 sc->sc_mte_direction = 1; 1005 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, 1); 1006 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, 1); 1007 1008 return 0; 1009 } 1010 1011 static void 1012 crmfb_set_mte_direction(struct crmfb_softc *sc, int dir) 1013 { 1014 if (dir == sc->sc_mte_direction) 1015 return; 1016 1017 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, dir); 1018 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, dir); 1019 sc->sc_mte_direction = dir; 1020 } 1021 1022 static void 1023 crmfb_setup_palette(struct crmfb_softc *sc) 1024 { 1025 int i; 1026 1027 for (i = 0; i < 256; i++) { 1028 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2], 1029 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]); 1030 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2]; 1031 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1]; 1032 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0]; 1033 } 1034 } 1035 1036 static inline void 1037 crmfb_wait_idle(struct crmfb_softc *sc) 1038 { 1039 int i = 0; 1040 1041 do { 1042 i++; 1043 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) & 1044 CRIME_DE_IDLE) == 0) && (i < 100000000)); 1045 if (i >= 100000000) 1046 aprint_error("crmfb_wait_idle() timed out\n"); 1047 } 1048 1049 static void 1050 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height, 1051 uint32_t colour) 1052 { 1053 crmfb_wait_idle(sc); 1054 crmfb_set_mte_direction(sc, 1); 1055 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, 1056 MTE_MODE_DST_ECC | 1057 (MTE_TLB_A << MTE_DST_TLB_SHIFT) | 1058 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | 1059 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) | 1060 0); 1061 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, colour); 1062 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 1063 (x << 16) | (y & 0xffff)); 1064 bus_space_write_4(sc->sc_iot, sc->sc_reh, 1065 CRIME_MTE_DST1 | CRIME_DE_START, 1066 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff)); 1067 } 1068 1069 static void 1070 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd, 1071 int wi, int he, uint32_t rop) 1072 { 1073 uint32_t prim = DE_PRIM_RECTANGLE; 1074 int rxa, rya, rxe, rye, rxs, rys; 1075 crmfb_wait_idle(sc); 1076 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, 1077 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP | 1078 DE_DRAWMODE_XFER_EN); 1079 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop); 1080 if (xs < xd) { 1081 prim |= DE_PRIM_RL; 1082 rxe = xd; 1083 rxa = xd + wi - 1; 1084 rxs = xs + wi - 1; 1085 } else { 1086 prim |= DE_PRIM_LR; 1087 rxe = xd + wi - 1; 1088 rxa = xd; 1089 rxs = xs; 1090 } 1091 if (ys < yd) { 1092 prim |= DE_PRIM_BT; 1093 rye = yd; 1094 rya = yd + he - 1; 1095 rys = ys + he - 1; 1096 } else { 1097 prim |= DE_PRIM_TB; 1098 rye = yd + he - 1; 1099 rya = yd; 1100 rys = ys; 1101 } 1102 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim); 1103 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 1104 (rxs << 16) | (rys & 0xffff)); 1105 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, 1106 (rxa << 16) | (rya & 0xffff)); 1107 bus_space_write_4(sc->sc_iot, sc->sc_reh, 1108 CRIME_DE_X_VERTEX_1 | CRIME_DE_START, 1109 (rxe << 16) | (rye & 0xffff)); 1110 } 1111 1112 static void 1113 crmfb_scroll(struct crmfb_softc *sc, int xs, int ys, int xd, int yd, 1114 int wi, int he) 1115 { 1116 int rxa, rya, rxe, rye, rxd, ryd, rxde, ryde; 1117 1118 rxa = xs; 1119 rxe = xs + wi - 1; 1120 rxd = xd; 1121 rxde = xd + wi - 1; 1122 1123 crmfb_wait_idle(sc); 1124 1125 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, 1126 MTE_MODE_DST_ECC | 1127 (MTE_TLB_A << MTE_DST_TLB_SHIFT) | 1128 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | 1129 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) | 1130 MTE_MODE_COPY); 1131 1132 if (ys < yd) { 1133 /* bottom to top */ 1134 rye = ys; 1135 rya = ys + he - 1; 1136 ryd = yd + he - 1; 1137 ryde = yd; 1138 crmfb_set_mte_direction(sc, -1); 1139 } else { 1140 /* top to bottom */ 1141 rye = ys + he - 1; 1142 rya = ys; 1143 ryd = yd; 1144 ryde = yd + he - 1; 1145 crmfb_set_mte_direction(sc, 1); 1146 } 1147 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 1148 (rxa << 16) | rya); 1149 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 1150 (rxe << 16) | rye); 1151 bus_space_write_4(sc->sc_iot, sc->sc_reh, 1152 CRIME_MTE_DST0, 1153 (rxd << 16) | ryd); 1154 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 | 1155 CRIME_DE_START, 1156 (rxde << 16) | ryde); 1157 } 1158 1159 #ifdef CRMFB_DEBUG 1160 void 1161 crmfb_test_mte(struct crmfb_softc *sc) 1162 { 1163 uint64_t addr, reg; 1164 uint32_t addrs[256]; 1165 int i, j, boo; 1166 1167 crmfb_wait_idle(sc); 1168 addr = (uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize); 1169 addr = addr >> 12; 1170 for (i = 0; i < 64; i += 8) { 1171 #if 1 1172 reg = (addr << 32) | (addr + 1) | 0x8000000080000000LL; 1173 bus_space_write_8(sc->sc_iot, sc->sc_reh, 1174 CRIME_RE_LINEAR_A + i, reg); 1175 printf(" %08x", (uint32_t)(addr & 0xffffffff)); 1176 #endif 1177 addr += 2; 1178 } 1179 printf("\n"); 1180 memset(sc->sc_scratch, 4, 0x10000); 1181 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, 1182 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI | 1183 DE_MODE_PIXDEPTH_8); 1184 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1); 1185 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, 1186 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP | 1187 DE_DRAWMODE_XFER_EN); 1188 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3); 1189 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, 1190 DE_PRIM_RECTANGLE | DE_PRIM_TB); 1191 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 0); 1192 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, 1193 0x02000000); 1194 bus_space_write_4(sc->sc_iot, sc->sc_reh, 1195 CRIME_DE_X_VERTEX_1 | CRIME_DE_START, 1196 0x04000100); 1197 1198 crmfb_wait_idle(sc); 1199 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, 1200 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI | 1201 DE_MODE_PIXDEPTH_8); 1202 1203 #if 1 1204 delay(4000000); 1205 1206 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x15151515); 1207 crmfb_wait_idle(sc); 1208 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, 1209 MTE_MODE_DST_ECC | 1210 (MTE_TLB_LIN_A << MTE_DST_TLB_SHIFT) | 1211 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | 1212 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) | 1213 0/*MTE_MODE_COPY*/); 1214 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1); 1215 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1); 1216 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000); 1217 //bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x01000100); 1218 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x00000000); 1219 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 | 1220 CRIME_DE_START, 0x00010000); 1221 //status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS); 1222 crmfb_wait_idle(sc); 1223 /* now look for 0x05050505 in RAM */ 1224 1225 boo = 0; 1226 for (i = 0xA0000000; i < 0xB0000000; i += 0x1000) 1227 if (*((uint32_t *)i) == 0x15151515) { 1228 /* see if there's more */ 1229 j = 4; 1230 while ((j < 0x100) && (*((uint32_t *)(i + j)) == 1231 0x15151515)) 1232 j += 4; 1233 if (j > 0x20) { 1234 addrs[boo] = i; 1235 boo++; 1236 } 1237 } 1238 printf("..."); 1239 for (i = 0; i < boo; i++) 1240 printf(" %08x", addrs[i]); 1241 printf("\n"); 1242 #endif 1243 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, 1244 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI | 1245 DE_MODE_PIXDEPTH_8); 1246 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1); 1247 crmfb_bitblt(sc, 0, 0, 400, 0, 512, 64, 3); 1248 crmfb_wait_idle(sc); 1249 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, 1250 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI | 1251 DE_MODE_PIXDEPTH_8); 1252 #if 0 1253 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, 1254 MTE_MODE_DST_ECC | 1255 (MTE_TLB_A << MTE_DST_TLB_SHIFT) | 1256 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | 1257 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) | 1258 0/*MTE_MODE_COPY*/); 1259 #endif 1260 delay(4000000); 1261 #if 0 1262 for (i = 0; i < 128; i+=8) 1263 printf("%016llx\n", bus_space_read_8(sc->sc_iot, sc->sc_reh, 1264 CRIME_RE_LINEAR_B + i)); 1265 #endif 1266 #if 0 1267 printf("flush: %08x\n", 1268 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH)); 1269 #endif 1270 } 1271 #endif /* CRMFB_DEBUG */ 1272 1273 static void 1274 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 1275 { 1276 struct rasops_info *ri = cookie; 1277 struct vcons_screen *scr = ri->ri_hw; 1278 int32_t xs, xd, y, width, height; 1279 1280 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 1281 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 1282 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1283 width = ri->ri_font->fontwidth * ncols; 1284 height = ri->ri_font->fontheight; 1285 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3); 1286 } 1287 1288 static void 1289 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 1290 { 1291 struct rasops_info *ri = cookie; 1292 struct vcons_screen *scr = ri->ri_hw; 1293 int32_t x, y, width, height, bg; 1294 1295 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 1296 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1297 width = ri->ri_font->fontwidth * ncols; 1298 height = ri->ri_font->fontheight; 1299 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 1300 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg); 1301 } 1302 1303 static void 1304 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 1305 { 1306 struct rasops_info *ri = cookie; 1307 struct vcons_screen *scr = ri->ri_hw; 1308 int32_t x, ys, yd, width, height; 1309 1310 x = ri->ri_xorigin; 1311 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 1312 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 1313 width = ri->ri_emuwidth; 1314 height = ri->ri_font->fontheight * nrows; 1315 1316 crmfb_scroll(scr->scr_cookie, x, ys, x, yd, width, height); 1317 } 1318 1319 static void 1320 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr) 1321 { 1322 struct rasops_info *ri = cookie; 1323 struct vcons_screen *scr = ri->ri_hw; 1324 int32_t x, y, width, height, bg; 1325 1326 if ((row == 0) && (nrows == ri->ri_rows)) { 1327 x = y = 0; 1328 width = ri->ri_width; 1329 height = ri->ri_height; 1330 } else { 1331 x = ri->ri_xorigin; 1332 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 1333 width = ri->ri_emuwidth; 1334 height = ri->ri_font->fontheight * nrows; 1335 } 1336 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 1337 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg); 1338 } 1339 1340 static void 1341 crmfb_cursor(void *cookie, int on, int row, int col) 1342 { 1343 struct rasops_info *ri = cookie; 1344 struct vcons_screen *scr = ri->ri_hw; 1345 struct crmfb_softc *sc = scr->scr_cookie; 1346 int x, y, wi,he; 1347 1348 wi = ri->ri_font->fontwidth; 1349 he = ri->ri_font->fontheight; 1350 1351 if (ri->ri_flg & RI_CURSOR) { 1352 x = ri->ri_ccol * wi + ri->ri_xorigin; 1353 y = ri->ri_crow * he + ri->ri_yorigin; 1354 crmfb_bitblt(sc, x, y, x, y, wi, he, 12); 1355 ri->ri_flg &= ~RI_CURSOR; 1356 } 1357 1358 ri->ri_crow = row; 1359 ri->ri_ccol = col; 1360 1361 if (on) 1362 { 1363 x = ri->ri_ccol * wi + ri->ri_xorigin; 1364 y = ri->ri_crow * he + ri->ri_yorigin; 1365 crmfb_bitblt(sc, x, y, x, y, wi, he, 12); 1366 ri->ri_flg |= RI_CURSOR; 1367 } 1368 } 1369 1370 static void 1371 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr) 1372 { 1373 struct rasops_info *ri = cookie; 1374 struct vcons_screen *scr = ri->ri_hw; 1375 struct crmfb_softc *sc = scr->scr_cookie; 1376 struct rasops_info *fri = &sc->sc_rasops; 1377 int bg; 1378 int x, y, wi, he, xs; 1379 1380 wi = ri->ri_font->fontwidth; 1381 he = ri->ri_font->fontheight; 1382 1383 x = ri->ri_xorigin + col * wi; 1384 y = ri->ri_yorigin + row * he; 1385 1386 bg = ri->ri_devcmap[(attr >> 16) & 0xff]; 1387 if (c == 0x20) { 1388 crmfb_fill_rect(sc, x, y, wi, he, bg); 1389 } else { 1390 /* 1391 * we rotate over all available character cells in the scratch 1392 * tile. The idea is to have more cells than there's room for 1393 * drawing commands in the engine's pipeline so we don't have 1394 * to wait for the engine until we're done drawing the 1395 * character and ready to blit it into place 1396 */ 1397 fri->ri_ops.putchar(fri, 0, sc->sc_current_cell, c, attr); 1398 xs = sc->sc_current_cell * wi; 1399 sc->sc_current_cell++; 1400 if (sc->sc_current_cell >= sc->sc_cells) 1401 sc->sc_current_cell = 0; 1402 crmfb_bitblt(sc, xs, 2048-128, x, y, wi, he, 3); 1403 } 1404 } 1405