agten.c revision 1.20
1 /* $NetBSD: agten.c,v 1.20 2009/08/20 02:29:16 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 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 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: agten.c,v 1.20 2009/08/20 02:29:16 macallan Exp $"); 31 32 /* 33 * a driver for the Fujitsu AG-10e SBus framebuffer 34 * 35 * this thing is Frankenstein's Monster among graphics boards. 36 * it contains three graphics chips: 37 * a GLint - 24bit stuff, double-buffered 38 * an Imagine 128 which provides an 8bit overlay 39 * a Weitek P9100 which provides WIDs 40 * so here we need to mess only with the P9100 and the I128 - for X we just 41 * hide the overlay and let the Xserver mess with the GLint 42 */ 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/device.h> 48 #include <sys/proc.h> 49 #include <sys/mutex.h> 50 #include <sys/ioctl.h> 51 #include <sys/kernel.h> 52 #include <sys/systm.h> 53 #include <sys/conf.h> 54 55 #include <dev/sun/fbio.h> 56 #include <dev/sun/fbvar.h> 57 #include <dev/sun/btreg.h> 58 #include <dev/sun/btvar.h> 59 60 #include <sys/bus.h> 61 #include <machine/autoconf.h> 62 63 #include <dev/sbus/sbusvar.h> 64 65 #include <dev/wscons/wsconsio.h> 66 #include <dev/wscons/wsdisplayvar.h> 67 #include <dev/rasops/rasops.h> 68 #include <dev/wsfont/wsfont.h> 69 70 #include <dev/wscons/wsdisplay_vconsvar.h> 71 72 #include <dev/sbus/p9100reg.h> 73 #include <dev/ic/ibm561reg.h> 74 #include <dev/ic/i128reg.h> 75 #include <dev/ic/i128var.h> 76 77 #include "opt_agten.h" 78 79 static int agten_match(device_t, cfdata_t, void *); 80 static void agten_attach(device_t, device_t, void *); 81 82 static int agten_ioctl(void *, void *, u_long, void *, int, struct lwp *); 83 static paddr_t agten_mmap(void *, void *, off_t, int); 84 static void agten_init_screen(void *, struct vcons_screen *, int, long *); 85 86 struct agten_softc { 87 device_t sc_dev; /* base device */ 88 struct sbusdev sc_sd; /* sbus device */ 89 struct fbdevice sc_fb; /* frame buffer device */ 90 91 struct vcons_screen sc_console_screen; 92 struct wsscreen_descr sc_defaultscreen_descr; 93 const struct wsscreen_descr *sc_screens[1]; 94 struct wsscreen_list sc_screenlist; 95 96 bus_space_tag_t sc_bustag; 97 98 bus_space_handle_t sc_i128_fbh; 99 bus_size_t sc_i128_fbsz; 100 bus_space_handle_t sc_i128_regh; 101 bus_space_handle_t sc_p9100_regh; 102 bus_addr_t sc_glint_fb; 103 bus_addr_t sc_glint_regs; 104 uint32_t sc_glint_fbsz; 105 106 uint32_t sc_width; 107 uint32_t sc_height; /* panel width / height */ 108 uint32_t sc_stride; 109 uint32_t sc_depth; 110 111 int sc_cursor_x; 112 int sc_cursor_y; 113 int sc_video; /* video output enabled */ 114 115 /* some /dev/fb* stuff */ 116 int sc_fb_is_open; 117 118 union bt_cmap sc_cmap; /* Brooktree color map */ 119 120 int sc_mode; 121 uint32_t sc_bg; 122 struct vcons_data vd; 123 }; 124 125 CFATTACH_DECL_NEW(agten, sizeof(struct agten_softc), 126 agten_match, agten_attach, NULL, NULL); 127 128 129 static int agten_putcmap(struct agten_softc *, struct wsdisplay_cmap *); 130 static int agten_getcmap(struct agten_softc *, struct wsdisplay_cmap *); 131 static int agten_putpalreg(struct agten_softc *, uint8_t, uint8_t, 132 uint8_t, uint8_t); 133 static void agten_init(struct agten_softc *); 134 static void agten_gfx(struct agten_softc *); 135 static void agten_set_video(struct agten_softc *, int); 136 static int agten_get_video(struct agten_softc *); 137 138 static void agten_copycols(void *, int, int, int, int); 139 static void agten_erasecols(void *, int, int, int, long); 140 static void agten_copyrows(void *, int, int, int); 141 static void agten_eraserows(void *, int, int, long); 142 143 static void agten_move_cursor(struct agten_softc *, int, int); 144 static int agten_do_cursor(struct agten_softc *sc, 145 struct wsdisplay_cursor *); 146 static int agten_do_sun_cursor(struct agten_softc *sc, 147 struct fbcursor *); 148 149 static uint16_t util_interleave(uint8_t, uint8_t); 150 static uint16_t util_interleave_lin(uint8_t, uint8_t); 151 152 extern const u_char rasops_cmap[768]; 153 154 struct wsdisplay_accessops agten_accessops = { 155 agten_ioctl, 156 agten_mmap, 157 NULL, /* alloc_screen */ 158 NULL, /* free_screen */ 159 NULL, /* show_screen */ 160 NULL, /* load_font */ 161 NULL, /* pollc */ 162 NULL /* scroll */ 163 }; 164 165 /* /dev/fb* stuff */ 166 extern struct cfdriver agten_cd; 167 168 static int agten_fb_open(dev_t, int, int, struct lwp *); 169 static int agten_fb_close(dev_t, int, int, struct lwp *); 170 static int agten_fb_ioctl(dev_t, u_long, void *, int, struct lwp *); 171 static paddr_t agten_fb_mmap(dev_t, off_t, int); 172 static void agten_fb_unblank(device_t); 173 174 static struct fbdriver agtenfbdriver = { 175 agten_fb_unblank, agten_fb_open, agten_fb_close, agten_fb_ioctl, 176 nopoll, agten_fb_mmap, nokqfilter 177 }; 178 179 static inline void 180 agten_write_dac(struct agten_softc *sc, int reg, uint8_t val) 181 { 182 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 183 0x200 + (reg << 2), (uint32_t)val << 16); 184 } 185 186 static inline void 187 agten_write_idx(struct agten_softc *sc, int offset) 188 { 189 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 190 0x200 + (IBM561_ADDR_LOW << 2), (offset & 0xff) << 16); 191 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, 192 0x200 + (IBM561_ADDR_HIGH << 2), ((offset >> 8) & 0xff) << 16); 193 } 194 195 static inline void 196 agten_write_dac_10(struct agten_softc *sc, int reg, uint16_t val) 197 { 198 agten_write_dac(sc, reg, (val >> 2) & 0xff); 199 agten_write_dac(sc, reg, (val & 0x3) << 6); 200 } 201 202 static int 203 agten_match(device_t dev, cfdata_t cf, void *aux) 204 { 205 struct sbus_attach_args *sa = aux; 206 207 if (strcmp("PFU,aga", sa->sa_name) == 0) 208 return 100; 209 return 0; 210 } 211 212 static void 213 agten_attach(device_t parent, device_t dev, void *aux) 214 { 215 struct agten_softc *sc = device_private(dev); 216 struct sbus_attach_args *sa = aux; 217 struct fbdevice *fb = &sc->sc_fb; 218 struct wsemuldisplaydev_attach_args aa; 219 struct rasops_info *ri; 220 long defattr; 221 uint32_t reg; 222 int node = sa->sa_node; 223 int console; 224 225 sc->sc_dev = dev; 226 sc->sc_defaultscreen_descr = (struct wsscreen_descr){ 227 "default", 228 0, 0, 229 NULL, 230 8, 16, 231 WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 232 NULL 233 }; 234 sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 235 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 236 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 237 sc->sc_fb_is_open = 0; 238 sc->sc_video = -1; 239 sc->sc_bustag = sa->sa_bustag; 240 241 sc->sc_width = prom_getpropint(node, "ffb_width", 1152); 242 sc->sc_height = prom_getpropint(node, "ffb_height", 900); 243 sc->sc_depth = prom_getpropint(node, "ffb_depth", 8); 244 sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); 245 246 reg = prom_getpropint(node, "i128_fb_physaddr", -1); 247 sc->sc_i128_fbsz = prom_getpropint(node, "i128_fb_size", -1); 248 if (sbus_bus_map(sc->sc_bustag, 249 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 250 sc->sc_stride * sc->sc_height, 251 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 252 &sc->sc_i128_fbh) != 0) { 253 254 aprint_error_dev(dev, "unable to map the framebuffer\n"); 255 return; 256 } 257 fb->fb_pixels = bus_space_vaddr(sc->sc_bustag, sc->sc_i128_fbh); 258 259 reg = prom_getpropint(node, "i128_reg_physaddr", -1); 260 if (sbus_bus_map(sc->sc_bustag, 261 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 262 0x10000, 0, &sc->sc_i128_regh) != 0) { 263 264 aprint_error_dev(dev, "unable to map I128 registers\n"); 265 return; 266 } 267 268 reg = prom_getpropint(node, "p9100_reg_physaddr", -1); 269 if (sbus_bus_map(sc->sc_bustag, 270 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg, 271 0x8000, 0, &sc->sc_p9100_regh) != 0) { 272 273 aprint_error_dev(dev, "unable to map P9100 registers\n"); 274 return; 275 } 276 277 reg = prom_getpropint(node, "glint_fb0_physaddr", -1); 278 sc->sc_glint_fb = sbus_bus_addr(sc->sc_bustag, 279 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 280 sc->sc_glint_fbsz = prom_getpropint(node, "glint_lb_size", -1); 281 reg = prom_getpropint(node, "glint_reg_physaddr", -1); 282 sc->sc_glint_regs = sbus_bus_addr(sc->sc_bustag, 283 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base + reg); 284 285 sbus_establish(&sc->sc_sd, sc->sc_dev); 286 287 #if 0 288 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO, 289 agten_intr, sc); 290 #endif 291 292 printf(": %dx%d\n", sc->sc_width, sc->sc_height); 293 agten_init(sc); 294 295 console = fb_is_console(node); 296 297 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, 298 &agten_accessops); 299 sc->vd.init_screen = agten_init_screen; 300 301 ri = &sc->sc_console_screen.scr_ri; 302 303 if (console) { 304 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, 305 &defattr); 306 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 307 308 sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 309 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 310 sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 311 sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 312 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 313 defattr); 314 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, 315 sc->sc_width, sc->sc_height, 316 ri->ri_devcmap[(defattr >> 16) & 0xff]); 317 vcons_replay_msgbuf(&sc->sc_console_screen); 318 } else { 319 /* 320 * since we're not the console we can postpone the rest 321 * until someone actually allocates a screen for us 322 */ 323 } 324 325 /* Initialize the default color map. */ 326 327 aa.console = console; 328 aa.scrdata = &sc->sc_screenlist; 329 aa.accessops = &agten_accessops; 330 aa.accesscookie = &sc->vd; 331 332 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 333 334 fb->fb_driver = &agtenfbdriver; 335 fb->fb_device = sc->sc_dev; 336 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK; 337 fb->fb_type.fb_type = FBTYPE_AG10E; 338 fb->fb_type.fb_cmsize = 256; /* doesn't matter, we're always 24bit */ 339 fb->fb_type.fb_size = sc->sc_glint_fbsz; 340 fb->fb_type.fb_width = sc->sc_width; 341 fb->fb_type.fb_height = sc->sc_height; 342 fb->fb_type.fb_depth = 32; 343 fb->fb_linebytes = sc->sc_stride << 2; 344 fb_attach(fb, console); 345 agten_set_video(sc, 1); /* make sure video's on */ 346 } 347 348 static int 349 agten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 350 struct lwp *l) 351 { 352 struct vcons_data *vd = v; 353 struct agten_softc *sc = vd->cookie; 354 struct wsdisplay_fbinfo *wdf; 355 struct vcons_screen *ms = vd->active; 356 357 switch (cmd) { 358 359 case WSDISPLAYIO_GTYPE: 360 *(u_int *)data = WSDISPLAY_TYPE_AG10; 361 return 0; 362 363 case WSDISPLAYIO_GINFO: 364 if (ms == NULL) 365 return ENODEV; 366 wdf = (void *)data; 367 wdf->height = ms->scr_ri.ri_height; 368 wdf->width = ms->scr_ri.ri_width; 369 wdf->depth = 32; 370 wdf->cmsize = 256; 371 return 0; 372 373 case WSDISPLAYIO_GVIDEO: 374 *(int *)data = sc->sc_video; 375 return 0; 376 377 case WSDISPLAYIO_SVIDEO: 378 agten_set_video(sc, *(int *)data); 379 return 0; 380 381 case WSDISPLAYIO_GETCMAP: 382 return agten_getcmap(sc, 383 (struct wsdisplay_cmap *)data); 384 385 case WSDISPLAYIO_PUTCMAP: 386 return agten_putcmap(sc, 387 (struct wsdisplay_cmap *)data); 388 389 case WSDISPLAYIO_LINEBYTES: 390 *(u_int *)data = sc->sc_stride << 2; 391 return 0; 392 393 case WSDISPLAYIO_SMODE: 394 { 395 int new_mode = *(int*)data; 396 if (new_mode != sc->sc_mode) { 397 sc->sc_mode = new_mode; 398 if(new_mode == WSDISPLAYIO_MODE_EMUL) { 399 agten_init(sc); 400 vcons_redraw_screen(ms); 401 } else { 402 agten_gfx(sc); 403 } 404 } 405 } 406 return 0; 407 408 case WSDISPLAYIO_GCURPOS: 409 { 410 struct wsdisplay_curpos *cp = (void *)data; 411 412 cp->x = sc->sc_cursor_x; 413 cp->y = sc->sc_cursor_y; 414 } 415 return 0; 416 417 case WSDISPLAYIO_SCURPOS: 418 { 419 struct wsdisplay_curpos *cp = (void *)data; 420 421 agten_move_cursor(sc, cp->x, cp->y); 422 } 423 return 0; 424 425 case WSDISPLAYIO_GCURMAX: 426 { 427 struct wsdisplay_curpos *cp = (void *)data; 428 429 cp->x = 64; 430 cp->y = 64; 431 } 432 return 0; 433 434 case WSDISPLAYIO_SCURSOR: 435 { 436 struct wsdisplay_cursor *cursor = (void *)data; 437 438 return agten_do_cursor(sc, cursor); 439 } 440 } 441 return EPASSTHROUGH; 442 } 443 444 static paddr_t 445 agten_mmap(void *v, void *vs, off_t offset, int prot) 446 { 447 struct vcons_data *vd = v; 448 struct agten_softc *sc = vd->cookie; 449 450 if (offset < sc->sc_glint_fbsz) 451 return bus_space_mmap(sc->sc_bustag, sc->sc_glint_fb, offset, 452 prot, BUS_SPACE_MAP_LINEAR); 453 return -1; 454 } 455 456 static void 457 agten_init_screen(void *cookie, struct vcons_screen *scr, 458 int existing, long *defattr) 459 { 460 struct agten_softc *sc = cookie; 461 struct rasops_info *ri = &scr->scr_ri; 462 463 ri->ri_depth = sc->sc_depth; 464 ri->ri_width = sc->sc_width; 465 ri->ri_height = sc->sc_height; 466 ri->ri_stride = sc->sc_stride; 467 ri->ri_flg = RI_CENTER | RI_FULLCLEAR; 468 469 ri->ri_bits = (char *)sc->sc_fb.fb_pixels; 470 471 if (existing) { 472 ri->ri_flg |= RI_CLEAR; 473 } 474 475 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8); 476 ri->ri_caps = WSSCREEN_WSCOLORS; 477 478 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, 479 sc->sc_width / ri->ri_font->fontwidth); 480 481 ri->ri_hw = scr; 482 ri->ri_ops.copyrows = agten_copyrows; 483 ri->ri_ops.eraserows = agten_eraserows; 484 ri->ri_ops.copycols = agten_copycols; 485 ri->ri_ops.erasecols = agten_erasecols; 486 487 } 488 489 static int 490 agten_putcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 491 { 492 u_int index = cm->index; 493 u_int count = cm->count; 494 int i, error; 495 u_char rbuf[256], gbuf[256], bbuf[256]; 496 u_char *r, *g, *b; 497 498 if (cm->index >= 256 || cm->count > 256 || 499 (cm->index + cm->count) > 256) 500 return EINVAL; 501 error = copyin(cm->red, &rbuf[index], count); 502 if (error) 503 return error; 504 error = copyin(cm->green, &gbuf[index], count); 505 if (error) 506 return error; 507 error = copyin(cm->blue, &bbuf[index], count); 508 if (error) 509 return error; 510 511 r = &rbuf[index]; 512 g = &gbuf[index]; 513 b = &bbuf[index]; 514 515 for (i = 0; i < count; i++) { 516 agten_putpalreg(sc, index, *r, *g, *b); 517 index++; 518 r++, g++, b++; 519 } 520 return 0; 521 } 522 523 static int 524 agten_getcmap(struct agten_softc *sc, struct wsdisplay_cmap *cm) 525 { 526 u_int index = cm->index; 527 u_int count = cm->count; 528 int error, i; 529 uint8_t red[256], green[256], blue[256]; 530 531 if (index >= 255 || count > 256 || index + count > 256) 532 return EINVAL; 533 534 i = index; 535 while (i < (index + count)) { 536 red[i] = sc->sc_cmap.cm_map[i][0]; 537 green[i] = sc->sc_cmap.cm_map[i][1]; 538 blue[i] = sc->sc_cmap.cm_map[i][2]; 539 i++; 540 } 541 error = copyout(&red[index], cm->red, count); 542 if (error) 543 return error; 544 error = copyout(&green[index], cm->green, count); 545 if (error) 546 return error; 547 error = copyout(&blue[index], cm->blue, count); 548 if (error) 549 return error; 550 551 return 0; 552 } 553 554 static int 555 agten_putpalreg(struct agten_softc *sc, uint8_t idx, uint8_t r, uint8_t g, 556 uint8_t b) 557 { 558 559 sc->sc_cmap.cm_map[idx][0] = r; 560 sc->sc_cmap.cm_map[idx][1] = g; 561 sc->sc_cmap.cm_map[idx][2] = b; 562 agten_write_idx(sc, IBM561_CMAP_TABLE + idx); 563 agten_write_dac(sc, IBM561_CMD_CMAP, r); 564 agten_write_dac(sc, IBM561_CMD_CMAP, g); 565 agten_write_dac(sc, IBM561_CMD_CMAP, b); 566 return 0; 567 } 568 569 static void 570 agten_init(struct agten_softc *sc) 571 { 572 int i, j; 573 uint32_t src, srcw; 574 volatile uint32_t junk; 575 576 /* first we set up the colour map */ 577 j = 0; 578 for (i = 0; i < 256; i++) { 579 580 agten_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1], 581 rasops_cmap[j + 2]); 582 j += 3; 583 } 584 585 /* then we set up a linear LUT for 24bit colour */ 586 agten_write_idx(sc, IBM561_CMAP_TABLE + 256); 587 for (i = 0; i < 256; i++) { 588 agten_write_dac(sc, IBM561_CMD_CMAP, i); 589 agten_write_dac(sc, IBM561_CMD_CMAP, i); 590 agten_write_dac(sc, IBM561_CMD_CMAP, i); 591 } 592 593 /* and the linear gamma maps */ 594 agten_write_idx(sc, IBM561_RED_GAMMA_TABLE); 595 for (i = 0; i < 0x3ff; i+= 4) 596 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 597 agten_write_idx(sc, IBM561_GREEN_GAMMA_TABLE); 598 for (i = 0; i < 0x3ff; i+= 4) 599 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 600 agten_write_idx(sc, IBM561_BLUE_GAMMA_TABLE); 601 for (i = 0; i < 0x3ff; i+= 4) 602 agten_write_dac_10(sc, IBM561_CMD_GAMMA, i); 603 604 /* enable outputs, RGB mode */ 605 agten_write_idx(sc, IBM561_CONFIG_REG3); 606 agten_write_dac(sc, IBM561_CMD, CR3_SERIAL_CLK_CTRL | CR3_RGB); 607 608 /* MUX 4:1 basic, 8bit overlay, 8bit WIDs */ 609 agten_write_idx(sc, IBM561_CONFIG_REG1); 610 agten_write_dac(sc, IBM561_CMD, CR1_MODE_4_1_BASIC | CR1_OVL_8BPP | 611 CR1_WID_8); 612 613 /* use external clock, enable video output */ 614 agten_write_idx(sc, IBM561_CONFIG_REG2); 615 agten_write_dac(sc, IBM561_CMD, CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | 616 CR2_PIXEL_CLOCK_SELECT | CR2_ENABLE_RGB_OUTPUT); 617 618 /* now set up some window attributes */ 619 620 /* 621 * direct colour, 24 bit, transparency off, LUT from 0x100 622 * we need to use direct colour and a linear LUT because for some 623 * reason true color mode gives messed up colours 624 */ 625 agten_write_idx(sc, IBM561_FB_WINTYPE); 626 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x100 | FB_PIXEL_24BIT | 627 FB_MODE_DIRECT); 628 629 /* use gamma LUTs, no crosshair, 0 is transparent */ 630 agten_write_idx(sc, IBM561_AUXFB_WINTYPE); 631 agten_write_dac(sc, IBM561_CMD_FB_WAT, 0x0); 632 633 /* overlay is 8 bit, opaque */ 634 agten_write_idx(sc, IBM561_OL_WINTYPE); 635 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, 0x00); 636 637 /* now we fill the WID fb with zeroes */ 638 src = 0; 639 srcw = sc->sc_width << 16 | sc->sc_height; 640 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, FOREGROUND_COLOR, 641 0x0); 642 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, BACKGROUND_COLOR, 643 0x0); 644 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RASTER_OP, ROP_PAT); 645 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, COORD_INDEX, 0); 646 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, src); 647 bus_space_write_4(sc->sc_bustag, sc->sc_p9100_regh, RECT_RTW_XY, srcw); 648 junk = bus_space_read_4(sc->sc_bustag, sc->sc_p9100_regh, COMMAND_QUAD); 649 650 /* initialize the cursor registers */ 651 652 /* initialize the Imagine 128 */ 653 i128_init(sc->sc_bustag, sc->sc_i128_regh, sc->sc_stride, 8); 654 } 655 656 static void 657 agten_gfx(struct agten_softc *sc) 658 { 659 /* enable overlay transparency on colour 0x00 */ 660 agten_write_idx(sc, IBM561_OL_WINTYPE); 661 agten_write_dac_10(sc, IBM561_CMD_FB_WAT, OL_MODE_TRANSP_ENABLE); 662 663 /* then blit the overlay full of 0x00 */ 664 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, 0, 0, sc->sc_width, 665 sc->sc_height, 0); 666 667 /* ... so we can see the 24bit framebuffer */ 668 } 669 670 static void 671 agten_set_video(struct agten_softc *sc, int flag) 672 { 673 uint8_t reg = 674 CR2_ENABLE_CLC | CR2_PLL_REF_SELECT | CR2_PIXEL_CLOCK_SELECT; 675 676 if (flag == sc->sc_video) 677 return; 678 679 agten_write_idx(sc, IBM561_CONFIG_REG2); 680 agten_write_dac(sc, IBM561_CMD, flag ? reg | CR2_ENABLE_RGB_OUTPUT : 681 reg); 682 683 sc->sc_video = flag; 684 } 685 686 static int 687 agten_get_video(struct agten_softc *sc) 688 { 689 690 return sc->sc_video; 691 } 692 693 static void 694 agten_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 695 { 696 struct rasops_info *ri = cookie; 697 struct vcons_screen *scr = ri->ri_hw; 698 struct agten_softc *sc = scr->scr_cookie; 699 int32_t xs, xd, y, width, height; 700 701 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 702 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 703 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 704 width = ri->ri_font->fontwidth * ncols; 705 height = ri->ri_font->fontheight; 706 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, xs, y, xd, y, width, 707 height, CR_COPY); 708 } 709 710 static void 711 agten_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 712 { 713 struct rasops_info *ri = cookie; 714 struct vcons_screen *scr = ri->ri_hw; 715 struct agten_softc *sc = scr->scr_cookie; 716 int32_t x, y, width, height, bg; 717 718 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 719 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 720 width = ri->ri_font->fontwidth * ncols; 721 height = ri->ri_font->fontheight; 722 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 723 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 724 } 725 726 static void 727 agten_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 728 { 729 struct rasops_info *ri = cookie; 730 struct vcons_screen *scr = ri->ri_hw; 731 struct agten_softc *sc = scr->scr_cookie; 732 int32_t x, ys, yd, width, height; 733 734 x = ri->ri_xorigin; 735 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 736 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 737 width = ri->ri_emuwidth; 738 height = ri->ri_font->fontheight * nrows; 739 i128_bitblt(sc->sc_bustag, sc->sc_i128_regh, x, ys, x, yd, width, 740 height, CR_COPY); 741 } 742 743 static void 744 agten_eraserows(void *cookie, int row, int nrows, long fillattr) 745 { 746 struct rasops_info *ri = cookie; 747 struct vcons_screen *scr = ri->ri_hw; 748 struct agten_softc *sc = scr->scr_cookie; 749 int32_t x, y, width, height, bg; 750 751 if ((row == 0) && (nrows == ri->ri_rows)) { 752 x = y = 0; 753 width = ri->ri_width; 754 height = ri->ri_height; 755 } else { 756 x = ri->ri_xorigin; 757 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 758 width = ri->ri_emuwidth; 759 height = ri->ri_font->fontheight * nrows; 760 } 761 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; 762 i128_rectfill(sc->sc_bustag, sc->sc_i128_regh, x, y, width, height, bg); 763 } 764 765 static void 766 agten_move_cursor(struct agten_softc *sc, int x, int y) 767 { 768 769 sc->sc_cursor_x = x; 770 sc->sc_cursor_y = y; 771 agten_write_idx(sc, IBM561_CURSOR_X_REG); 772 agten_write_dac(sc, IBM561_CMD, x & 0xff); 773 agten_write_dac(sc, IBM561_CMD, (x >> 8) & 0xff); 774 agten_write_dac(sc, IBM561_CMD, y & 0xff); 775 agten_write_dac(sc, IBM561_CMD, (y >> 8) & 0xff); 776 } 777 778 static int 779 agten_do_cursor(struct agten_softc *sc, struct wsdisplay_cursor *cur) 780 { 781 if (cur->which & WSDISPLAY_CURSOR_DOCUR) { 782 783 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 784 agten_write_dac(sc, IBM561_CMD, cur->enable ? 785 CURS_ENABLE : 0); 786 } 787 if (cur->which & WSDISPLAY_CURSOR_DOHOT) { 788 789 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 790 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 791 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 792 } 793 if (cur->which & WSDISPLAY_CURSOR_DOPOS) { 794 795 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 796 } 797 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { 798 int i; 799 800 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 801 for (i = 0; i < cur->cmap.count; i++) { 802 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 803 agten_write_dac(sc, IBM561_CMD_CMAP, 804 cur->cmap.green[i]); 805 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 806 } 807 } 808 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { 809 int i; 810 uint16_t tmp; 811 812 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 813 for (i = 0; i < 512; i++) { 814 tmp = util_interleave(cur->mask[i], cur->image[i]); 815 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 816 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 817 } 818 } 819 return 0; 820 } 821 822 static int 823 agten_do_sun_cursor(struct agten_softc *sc, struct fbcursor *cur) 824 { 825 if (cur->set & FB_CUR_SETCUR) { 826 827 agten_write_idx(sc, IBM561_CURS_CNTL_REG); 828 agten_write_dac(sc, IBM561_CMD, cur->enable ? 829 CURS_ENABLE : 0); 830 } 831 if (cur->set & FB_CUR_SETHOT) { 832 833 agten_write_idx(sc, IBM561_HOTSPOT_X_REG); 834 agten_write_dac(sc, IBM561_CMD, cur->hot.x); 835 agten_write_dac(sc, IBM561_CMD, cur->hot.y); 836 } 837 if (cur->set & FB_CUR_SETPOS) { 838 839 agten_move_cursor(sc, cur->pos.x, cur->pos.y); 840 } 841 if (cur->set & FB_CUR_SETCMAP) { 842 int i; 843 844 agten_write_idx(sc, IBM561_CURSOR_LUT + cur->cmap.index + 2); 845 for (i = 0; i < cur->cmap.count; i++) { 846 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.red[i]); 847 agten_write_dac(sc, IBM561_CMD_CMAP, 848 cur->cmap.green[i]); 849 agten_write_dac(sc, IBM561_CMD_CMAP, cur->cmap.blue[i]); 850 } 851 } 852 if (cur->set & FB_CUR_SETSHAPE) { 853 int i; 854 uint16_t tmp; 855 856 agten_write_idx(sc, IBM561_CURSOR_BITMAP); 857 for (i = 0; i < 512; i++) { 858 tmp = util_interleave_lin(cur->mask[i], cur->image[i]); 859 agten_write_dac(sc, IBM561_CMD, (tmp >> 8) & 0xff); 860 agten_write_dac(sc, IBM561_CMD, tmp & 0xff); 861 } 862 } 863 return 0; 864 } 865 866 uint16_t 867 util_interleave(uint8_t b1, uint8_t b2) 868 { 869 int i; 870 uint16_t ret = 0; 871 uint16_t mask = 0x8000; 872 uint8_t mask8 = 0x01; 873 874 for (i = 0; i < 8; i++) { 875 if (b1 & mask8) 876 ret |= mask; 877 mask = mask >> 1; 878 if (b2 & mask8) 879 ret |= mask; 880 mask = mask >> 1; 881 mask8 = mask8 << 1; 882 } 883 return ret; 884 } 885 886 uint16_t 887 util_interleave_lin(uint8_t b1, uint8_t b2) 888 { 889 int i; 890 uint16_t ret = 0; 891 uint16_t mask = 0x8000; 892 uint8_t mask8 = 0x80; 893 894 for (i = 0; i < 8; i++) { 895 if (b1 & mask8) 896 ret |= mask; 897 mask = mask >> 1; 898 if (b2 & mask8) 899 ret |= mask; 900 mask = mask >> 1; 901 mask8 = mask8 >> 1; 902 } 903 return ret; 904 } 905 906 /* and now the /dev/fb* stuff */ 907 static void 908 agten_fb_unblank(device_t dev) 909 { 910 struct agten_softc *sc = device_private(dev); 911 912 agten_init(sc); 913 agten_set_video(sc, 1); 914 } 915 916 static int 917 agten_fb_open(dev_t dev, int flags, int mode, struct lwp *l) 918 { 919 struct agten_softc *sc; 920 921 sc = device_lookup_private(&agten_cd, minor(dev)); 922 if (sc == NULL) 923 return (ENXIO); 924 if (sc->sc_fb_is_open) 925 return 0; 926 927 sc->sc_fb_is_open++; 928 agten_gfx(sc); 929 930 return (0); 931 } 932 933 static int 934 agten_fb_close(dev_t dev, int flags, int mode, struct lwp *l) 935 { 936 struct agten_softc *sc; 937 938 sc = device_lookup_private(&agten_cd, minor(dev)); 939 940 sc->sc_fb_is_open--; 941 if (sc->sc_fb_is_open < 0) 942 sc->sc_fb_is_open = 0; 943 944 if (sc->sc_fb_is_open == 0) { 945 agten_init(sc); 946 vcons_redraw_screen(sc->vd.active); 947 } 948 949 return (0); 950 } 951 952 static int 953 agten_fb_ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l) 954 { 955 struct agten_softc *sc = device_lookup_private(&agten_cd, minor(dev)); 956 struct fbgattr *fba; 957 int error; 958 959 switch (cmd) { 960 961 case FBIOGTYPE: 962 *(struct fbtype *)data = sc->sc_fb.fb_type; 963 break; 964 965 case FBIOGATTR: 966 fba = (struct fbgattr *)data; 967 fba->real_type = sc->sc_fb.fb_type.fb_type; 968 fba->owner = 0; /* XXX ??? */ 969 fba->fbtype = sc->sc_fb.fb_type; 970 fba->sattr.flags = 0; 971 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type; 972 fba->sattr.dev_specific[0] = -1; 973 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type; 974 fba->emu_types[1] = -1; 975 break; 976 977 case FBIOGETCMAP: 978 #define p ((struct fbcmap *)data) 979 return (bt_getcmap(p, &sc->sc_cmap, 256, 1)); 980 981 case FBIOPUTCMAP: 982 /* copy to software map */ 983 error = bt_putcmap(p, &sc->sc_cmap, 256, 1); 984 if (error) 985 return (error); 986 /* now blast them into the chip */ 987 /* don't bother - we're 24bit */ 988 #undef p 989 break; 990 991 case FBIOGVIDEO: 992 *(int *)data = agten_get_video(sc); 993 break; 994 995 case FBIOSVIDEO: 996 agten_set_video(sc, *(int *)data); 997 break; 998 999 /* these are for both FBIOSCURSOR and FBIOGCURSOR */ 1000 #define p ((struct fbcursor *)data) 1001 #define pc (&sc->sc_cursor) 1002 1003 case FBIOGCURSOR: 1004 /* does anyone use this ioctl?! */ 1005 p->set = FB_CUR_SETALL; /* close enough, anyway */ 1006 p->enable = 1; 1007 p->pos.x = sc->sc_cursor_x; 1008 p->pos.y = sc->sc_cursor_y; 1009 p->size.x = 64; 1010 p->size.y = 64; 1011 break; 1012 1013 case FBIOSCURSOR: 1014 agten_do_sun_cursor(sc, p); 1015 break; 1016 1017 #undef p 1018 #undef cc 1019 1020 case FBIOGCURPOS: 1021 { 1022 struct fbcurpos *cp = (struct fbcurpos *)data; 1023 cp->x = sc->sc_cursor_x; 1024 cp->y = sc->sc_cursor_y; 1025 } 1026 break; 1027 1028 case FBIOSCURPOS: 1029 { 1030 struct fbcurpos *cp = (struct fbcurpos *)data; 1031 agten_move_cursor(sc, cp->x, cp->y); 1032 } 1033 break; 1034 1035 case FBIOGCURMAX: 1036 /* max cursor size is 64x64 */ 1037 ((struct fbcurpos *)data)->x = 64; 1038 ((struct fbcurpos *)data)->y = 64; 1039 break; 1040 1041 default: 1042 return (ENOTTY); 1043 } 1044 return (0); 1045 } 1046 1047 static paddr_t 1048 agten_fb_mmap(dev_t dev, off_t off, int prot) 1049 { 1050 struct agten_softc *sc = device_lookup_private(&agten_cd, minor(dev)); 1051 1052 /* 1053 * mappings are subject to change 1054 * for now we put the framebuffer at offset 0 and the GLint registers 1055 * right after that. We may want to expose more register ranges and 1056 * probably will want to map the 2nd framebuffer as well 1057 */ 1058 1059 if (off < 0) 1060 return EINVAL; 1061 1062 if (off >= sc->sc_glint_fbsz + 0x10000) 1063 return EINVAL; 1064 1065 if (off < sc->sc_glint_fbsz) { 1066 return (bus_space_mmap(sc->sc_bustag, 1067 sc->sc_glint_fb, 1068 off, 1069 prot, 1070 BUS_SPACE_MAP_LINEAR)); 1071 } 1072 1073 off -= sc->sc_glint_fbsz; 1074 if (off < 0x10000) { 1075 return (bus_space_mmap(sc->sc_bustag, 1076 sc->sc_glint_regs, 1077 off, 1078 prot, 1079 BUS_SPACE_MAP_LINEAR)); 1080 } 1081 return EINVAL; 1082 } 1083
Indexes created Thu Oct 23 22:10:10 GMT 2025